/* NFSv4.1 client for Windows * Copyright © 2012 The Regents of the University of Michigan * * Olga Kornievskaia * Casey Bodley * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or (at * your option) any later version. * * This library is distributed in the hope that it will be useful, but * without any warranty; without even the implied warranty of merchantability * or fitness for a particular purpose. See the GNU Lesser General Public * License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA */ #define MINIRDR__NAME "Value is ignored, only fact of definition" #include #include #include #include #ifdef __REACTOS__ #include #endif #include "nfs41_driver.h" #include "nfs41_np.h" #include "nfs41_debug.h" #if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_WIN7) NTSTATUS NTAPI RtlUnicodeToUTF8N(CHAR *utf8_dest, ULONG utf8_bytes_max, ULONG *utf8_bytes_written, const WCHAR *uni_src, ULONG uni_bytes); NTSTATUS NTAPI RtlUTF8ToUnicodeN(WCHAR *uni_dest, ULONG uni_bytes_max, ULONG *uni_bytes_written, const CHAR *utf8_src, ULONG utf8_bytes); #endif /* defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_WIN7) */ #define USE_MOUNT_SEC_CONTEXT /* debugging printout defines */ //#define DEBUG_FSDDISPATCH #define DEBUG_MARSHAL_HEADER #define DEBUG_MARSHAL_DETAIL //#define DEBUG_OPEN //#define DEBUG_CLOSE //#define DEBUG_CACHE #define DEBUG_INVALIDATE_CACHE //#define DEBUG_READ //#define DEBUG_WRITE //#define DEBUG_DIR_QUERY //#define DEBUG_FILE_QUERY //#define DEBUG_FILE_SET //#define DEBUG_ACL_QUERY //#define DEBUG_ACL_SET //#define DEBUG_EA_QUERY //#define DEBUG_EA_SET //#define DEBUG_LOCK //#define DEBUG_MISC #define DEBUG_TIME_BASED_COHERENCY #define DEBUG_MOUNT //#define DEBUG_VOLUME_QUERY //#define ENABLE_TIMINGS //#define ENABLE_INDV_TIMINGS #ifdef ENABLE_TIMINGS typedef struct __nfs41_timings { LONG tops, sops; LONGLONG ticks, size; } nfs41_timings; nfs41_timings lookup, readdir, open, close, getattr, setattr, getacl, setacl, volume, read, write, lock, unlock, setexattr, getexattr; #endif DRIVER_INITIALIZE DriverEntry; DRIVER_UNLOAD nfs41_driver_unload; DRIVER_DISPATCH ( nfs41_FsdDispatch ); struct _MINIRDR_DISPATCH nfs41_ops; PRDBSS_DEVICE_OBJECT nfs41_dev; #define DISABLE_CACHING 0 #define ENABLE_READ_CACHING 1 #define ENABLE_WRITE_CACHING 2 #define ENABLE_READWRITE_CACHING 3 #define NFS41_MM_POOLTAG ('nfs4') #define NFS41_MM_POOLTAG_ACL ('acls') #define NFS41_MM_POOLTAG_MOUNT ('mnts') #define NFS41_MM_POOLTAG_OPEN ('open') #define NFS41_MM_POOLTAG_UP ('upca') #define NFS41_MM_POOLTAG_DOWN ('down') KEVENT upcallEvent; FAST_MUTEX upcallLock, downcallLock, fcblistLock; FAST_MUTEX xidLock; FAST_MUTEX openOwnerLock; LONGLONG xid = 0; LONG open_owner_id = 1; #define DECLARE_CONST_ANSI_STRING(_var, _string) \ const CHAR _var ## _buffer[] = _string; \ const ANSI_STRING _var = { sizeof(_string) - sizeof(CHAR), \ sizeof(_string), (PCH) _var ## _buffer } #define RELATIVE(wait) (-(wait)) #define NANOSECONDS(nanos) (((signed __int64)(nanos)) / 100L) #define MICROSECONDS(micros) (((signed __int64)(micros)) * NANOSECONDS(1000L)) #define MILLISECONDS(milli) (((signed __int64)(milli)) * MICROSECONDS(1000L)) #define SECONDS(seconds) (((signed __int64)(seconds)) * MILLISECONDS(1000L)) DECLARE_CONST_ANSI_STRING(NfsV3Attributes, "NfsV3Attributes"); DECLARE_CONST_ANSI_STRING(NfsSymlinkTargetName, "NfsSymlinkTargetName"); DECLARE_CONST_ANSI_STRING(NfsActOnLink, "NfsActOnLink"); INLINE BOOL AnsiStrEq( IN const ANSI_STRING *lhs, IN const CHAR *rhs, IN const UCHAR rhs_len) { return lhs->Length == rhs_len && RtlCompareMemory(lhs->Buffer, rhs, rhs_len) == rhs_len; } typedef struct _nfs3_attrs { DWORD type, mode, nlink, uid, gid, filler1; LARGE_INTEGER size, used; struct { DWORD specdata1; DWORD specdata2; } rdev; LONGLONG fsid, fileid; LONGLONG atime, mtime, ctime; } nfs3_attrs; LARGE_INTEGER unix_time_diff; //needed to convert windows time to unix enum ftype3 { NF3REG = 1, NF3DIR, NF3BLK, NF3CHR, NF3LNK, NF3SOCK, NF3FIFO }; typedef enum _nfs41_updowncall_state { NFS41_WAITING_FOR_UPCALL, NFS41_WAITING_FOR_DOWNCALL, NFS41_DONE_PROCESSING, NFS41_NOT_WAITING } nfs41_updowncall_state; #ifdef __REACTOS__ #undef _errno #undef errno #endif typedef struct _updowncall_entry { DWORD version; LONGLONG xid; DWORD opcode; NTSTATUS status; nfs41_updowncall_state state; FAST_MUTEX lock; LIST_ENTRY next; KEVENT cond; DWORD errno; BOOLEAN async_op; SECURITY_CLIENT_CONTEXT sec_ctx; PSECURITY_CLIENT_CONTEXT psec_ctx; HANDLE open_state; HANDLE session; PUNICODE_STRING filename; PVOID buf; ULONG buf_len; ULONGLONG ChangeTime; union { struct { PUNICODE_STRING srv_name; PUNICODE_STRING root; PFILE_FS_ATTRIBUTE_INFORMATION FsAttrs; DWORD sec_flavor; DWORD rsize; DWORD wsize; DWORD lease_time; } Mount; struct { PMDL MdlAddress; ULONGLONG offset; PRX_CONTEXT rxcontext; } ReadWrite; struct { LONGLONG offset; LONGLONG length; BOOLEAN exclusive; BOOLEAN blocking; } Lock; struct { ULONG count; LOWIO_LOCK_LIST locks; } Unlock; struct { FILE_BASIC_INFORMATION binfo; FILE_STANDARD_INFORMATION sinfo; UNICODE_STRING symlink; ULONG access_mask; ULONG access_mode; ULONG attrs; ULONG copts; ULONG disp; ULONG cattrs; LONG open_owner_id; DWORD mode; HANDLE srv_open; DWORD deleg_type; BOOLEAN symlink_embedded; PMDL EaMdl; PVOID EaBuffer; } Open; struct { HANDLE srv_open; BOOLEAN remove; BOOLEAN renamed; } Close; struct { PUNICODE_STRING filter; FILE_INFORMATION_CLASS InfoClass; BOOLEAN restart_scan; BOOLEAN return_single; BOOLEAN initial_query; PMDL mdl; PVOID mdl_buf; } QueryFile; struct { FILE_INFORMATION_CLASS InfoClass; } SetFile; struct { DWORD mode; } SetEa; struct { PVOID EaList; ULONG EaListLength; ULONG Overflow; ULONG EaIndex; BOOLEAN ReturnSingleEntry; BOOLEAN RestartScan; } QueryEa; struct { PUNICODE_STRING target; BOOLEAN set; } Symlink; struct { FS_INFORMATION_CLASS query; } Volume; struct { SECURITY_INFORMATION query; } Acl; } u; } nfs41_updowncall_entry; typedef struct _updowncall_list { LIST_ENTRY head; } nfs41_updowncall_list; nfs41_updowncall_list upcall, downcall; typedef struct _nfs41_mount_entry { LIST_ENTRY next; LUID login_id; HANDLE authsys_session; HANDLE gss_session; HANDLE gssi_session; HANDLE gssp_session; } nfs41_mount_entry; typedef struct _nfs41_mount_list { LIST_ENTRY head; } nfs41_mount_list; #define nfs41_AddEntry(lock,list,pEntry) \ ExAcquireFastMutex(&lock); \ InsertTailList(&(list).head, &(pEntry)->next); \ ExReleaseFastMutex(&lock); #define nfs41_RemoveFirst(lock,list,pEntry) \ ExAcquireFastMutex(&lock); \ pEntry = (IsListEmpty(&(list).head) \ ? NULL \ : RemoveHeadList(&(list).head)); \ ExReleaseFastMutex(&lock); #define nfs41_RemoveEntry(lock,pEntry) \ ExAcquireFastMutex(&lock); \ RemoveEntryList(&pEntry->next); \ ExReleaseFastMutex(&lock); #define nfs41_IsListEmpty(lock,list,flag) \ ExAcquireFastMutex(&lock); \ flag = IsListEmpty(&(list).head); \ ExReleaseFastMutex(&lock); #define nfs41_GetFirstEntry(lock,list,pEntry) \ ExAcquireFastMutex(&lock); \ pEntry = (IsListEmpty(&(list).head) \ ? NULL \ : (nfs41_updowncall_entry *) \ (CONTAINING_RECORD((list).head.Flink, \ nfs41_updowncall_entry, \ next))); \ ExReleaseFastMutex(&lock); #define nfs41_GetFirstMountEntry(lock,list,pEntry) \ ExAcquireFastMutex(&lock); \ pEntry = (IsListEmpty(&(list).head) \ ? NULL \ : (nfs41_mount_entry *) \ (CONTAINING_RECORD((list).head.Flink, \ nfs41_mount_entry, \ next))); \ ExReleaseFastMutex(&lock); /* In order to cooperate with other network providers, * we only claim paths of the format '\\server\nfs4\path' */ DECLARE_CONST_UNICODE_STRING(NfsPrefix, L"\\nfs4"); DECLARE_CONST_UNICODE_STRING(AUTH_SYS_NAME, L"sys"); DECLARE_CONST_UNICODE_STRING(AUTHGSS_KRB5_NAME, L"krb5"); DECLARE_CONST_UNICODE_STRING(AUTHGSS_KRB5I_NAME, L"krb5i"); DECLARE_CONST_UNICODE_STRING(AUTHGSS_KRB5P_NAME, L"krb5p"); DECLARE_CONST_UNICODE_STRING(SLASH, L"\\"); DECLARE_CONST_UNICODE_STRING(EMPTY_STRING, L""); #define SERVER_NAME_BUFFER_SIZE 1024 #define MOUNT_CONFIG_RW_SIZE_MIN 1024 #define MOUNT_CONFIG_RW_SIZE_DEFAULT 1048576 #define MOUNT_CONFIG_RW_SIZE_MAX 1048576 #define MAX_SEC_FLAVOR_LEN 12 #define UPCALL_TIMEOUT_DEFAULT 50 /* in seconds */ typedef struct _NFS41_MOUNT_CONFIG { DWORD ReadSize; DWORD WriteSize; BOOLEAN ReadOnly; BOOLEAN write_thru; BOOLEAN nocache; WCHAR srv_buffer[SERVER_NAME_BUFFER_SIZE]; UNICODE_STRING SrvName; WCHAR mntpt_buffer[MAX_PATH]; UNICODE_STRING MntPt; WCHAR sec_flavor[MAX_SEC_FLAVOR_LEN]; UNICODE_STRING SecFlavor; DWORD timeout; } NFS41_MOUNT_CONFIG, *PNFS41_MOUNT_CONFIG; typedef struct _NFS41_NETROOT_EXTENSION { NODE_TYPE_CODE NodeTypeCode; NODE_BYTE_SIZE NodeByteSize; DWORD nfs41d_version; BOOLEAN mounts_init; FAST_MUTEX mountLock; nfs41_mount_list mounts; } NFS41_NETROOT_EXTENSION, *PNFS41_NETROOT_EXTENSION; #define NFS41GetNetRootExtension(pNetRoot) \ (((pNetRoot) == NULL) ? NULL : \ (PNFS41_NETROOT_EXTENSION)((pNetRoot)->Context)) /* FileSystemName as reported by FileFsAttributeInfo query */ #define FS_NAME L"NFS" #define FS_NAME_LEN (sizeof(FS_NAME) - sizeof(WCHAR)) #define FS_ATTR_LEN (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + FS_NAME_LEN) /* FileSystemName as reported by FileFsAttributeInfo query */ #define VOL_NAME L"PnfsVolume" #define VOL_NAME_LEN (sizeof(VOL_NAME) - sizeof(WCHAR)) #define VOL_ATTR_LEN (sizeof(FILE_FS_VOLUME_INFORMATION) + VOL_NAME_LEN) typedef struct _NFS41_V_NET_ROOT_EXTENSION { NODE_TYPE_CODE NodeTypeCode; NODE_BYTE_SIZE NodeByteSize; HANDLE session; FILE_FS_ATTRIBUTE_INFORMATION FsAttrs; DWORD sec_flavor; DWORD timeout; USHORT MountPathLen; BOOLEAN read_only; BOOLEAN write_thru; BOOLEAN nocache; #define STORE_MOUNT_SEC_CONTEXT #ifdef STORE_MOUNT_SEC_CONTEXT SECURITY_CLIENT_CONTEXT mount_sec_ctx; #endif } NFS41_V_NET_ROOT_EXTENSION, *PNFS41_V_NET_ROOT_EXTENSION; #define NFS41GetVNetRootExtension(pVNetRoot) \ (((pVNetRoot) == NULL) ? NULL : \ (PNFS41_V_NET_ROOT_EXTENSION)((pVNetRoot)->Context)) typedef struct _NFS41_FCB { NODE_TYPE_CODE NodeTypeCode; NODE_BYTE_SIZE NodeByteSize; FILE_BASIC_INFORMATION BasicInfo; FILE_STANDARD_INFORMATION StandardInfo; BOOLEAN Renamed; BOOLEAN DeletePending; DWORD mode; ULONGLONG changeattr; } NFS41_FCB, *PNFS41_FCB; #define NFS41GetFcbExtension(pFcb) \ (((pFcb) == NULL) ? NULL : (PNFS41_FCB)((pFcb)->Context)) typedef struct _NFS41_FOBX { NODE_TYPE_CODE NodeTypeCode; NODE_BYTE_SIZE NodeByteSize; HANDLE nfs41_open_state; SECURITY_CLIENT_CONTEXT sec_ctx; PVOID acl; DWORD acl_len; LARGE_INTEGER time; DWORD deleg_type; BOOLEAN write_thru; BOOLEAN nocache; } NFS41_FOBX, *PNFS41_FOBX; #define NFS41GetFobxExtension(pFobx) \ (((pFobx) == NULL) ? NULL : (PNFS41_FOBX)((pFobx)->Context)) typedef struct _NFS41_SERVER_ENTRY { PMRX_SRV_CALL pRdbssSrvCall; WCHAR NameBuffer[SERVER_NAME_BUFFER_SIZE]; UNICODE_STRING Name; // the server name. } NFS41_SERVER_ENTRY, *PNFS41_SERVER_ENTRY; typedef struct _NFS41_DEVICE_EXTENSION { NODE_TYPE_CODE NodeTypeCode; NODE_BYTE_SIZE NodeByteSize; PRDBSS_DEVICE_OBJECT DeviceObject; ULONG ActiveNodes; HANDLE SharedMemorySection; DWORD nfs41d_version; BYTE VolAttrs[VOL_ATTR_LEN]; DWORD VolAttrsLen; HANDLE openlistHandle; } NFS41_DEVICE_EXTENSION, *PNFS41_DEVICE_EXTENSION; #define NFS41GetDeviceExtension(RxContext,pExt) \ PNFS41_DEVICE_EXTENSION pExt = (PNFS41_DEVICE_EXTENSION) \ ((PBYTE)(RxContext->RxDeviceObject) + sizeof(RDBSS_DEVICE_OBJECT)) typedef struct _nfs41_fcb_list_entry { LIST_ENTRY next; PMRX_FCB fcb; HANDLE session; PNFS41_FOBX nfs41_fobx; ULONGLONG ChangeTime; BOOLEAN skip; } nfs41_fcb_list_entry; typedef struct _nfs41_fcb_list { LIST_ENTRY head; } nfs41_fcb_list; nfs41_fcb_list openlist; typedef enum _NULMRX_STORAGE_TYPE_CODES { NTC_NFS41_DEVICE_EXTENSION = (NODE_TYPE_CODE)0xFC00, } NFS41_STORAGE_TYPE_CODES; #define RxDefineNode( node, type ) \ node->NodeTypeCode = NTC_##type; \ node->NodeByteSize = sizeof(type); #define RDR_NULL_STATE 0 #define RDR_UNLOADED 1 #define RDR_UNLOADING 2 #define RDR_LOADING 3 #define RDR_LOADED 4 #define RDR_STOPPED 5 #define RDR_STOPPING 6 #define RDR_STARTING 7 #define RDR_STARTED 8 nfs41_init_driver_state nfs41_init_state = NFS41_INIT_DRIVER_STARTABLE; nfs41_start_driver_state nfs41_start_state = NFS41_START_DRIVER_STARTABLE; NTSTATUS map_readwrite_errors(DWORD status); void print_debug_header( PRX_CONTEXT RxContext) { PIO_STACK_LOCATION IrpSp = RxContext->CurrentIrpSp; if (IrpSp) { DbgP("FileOject %p name %wZ access r=%d,w=%d,d=%d share r=%d,w=%d,d=%d\n", IrpSp->FileObject, &IrpSp->FileObject->FileName, IrpSp->FileObject->ReadAccess, IrpSp->FileObject->WriteAccess, IrpSp->FileObject->DeleteAccess, IrpSp->FileObject->SharedRead, IrpSp->FileObject->SharedWrite, IrpSp->FileObject->SharedDelete); print_file_object(0, IrpSp->FileObject); print_irps_flags(0, RxContext->CurrentIrpSp); } else DbgP("Couldn't print FileObject IrpSp is NULL\n"); print_fo_all(1, RxContext); if (RxContext->CurrentIrp) print_irp_flags(0, RxContext->CurrentIrp); } /* convert strings from unicode -> ansi during marshalling to * save space in the upcall buffers and avoid extra copies */ INLINE ULONG length_as_utf8( PCUNICODE_STRING str) { ULONG ActualCount = 0; RtlUnicodeToUTF8N(NULL, 0xffff, &ActualCount, str->Buffer, str->Length); return sizeof(str->MaximumLength) + ActualCount + sizeof(UNICODE_NULL); } NTSTATUS marshall_unicode_as_utf8( IN OUT unsigned char **pos, IN PCUNICODE_STRING str) { ANSI_STRING ansi; ULONG ActualCount; NTSTATUS status; if (str->Length == 0) { status = STATUS_SUCCESS; ActualCount = 0; ansi.MaximumLength = 1; goto out_copy; } /* query the number of bytes required for the utf8 encoding */ status = RtlUnicodeToUTF8N(NULL, 0xffff, &ActualCount, str->Buffer, str->Length); if (status) { print_error("RtlUnicodeToUTF8N('%wZ') failed with 0x%08X\n", str, status); goto out; } /* convert the string directly into the upcall buffer */ ansi.Buffer = (PCHAR)*pos + sizeof(ansi.MaximumLength); ansi.MaximumLength = (USHORT)ActualCount + sizeof(UNICODE_NULL); status = RtlUnicodeToUTF8N(ansi.Buffer, ansi.MaximumLength, &ActualCount, str->Buffer, str->Length); if (status) { print_error("RtlUnicodeToUTF8N(%hu, '%wZ', %hu) failed with 0x%08X\n", ansi.MaximumLength, str, str->Length, status); goto out; } out_copy: RtlCopyMemory(*pos, &ansi.MaximumLength, sizeof(ansi.MaximumLength)); *pos += sizeof(ansi.MaximumLength); (*pos)[ActualCount] = '\0'; *pos += ansi.MaximumLength; out: return status; } NTSTATUS marshal_nfs41_header( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; header_len = sizeof(entry->version) + sizeof(entry->xid) + sizeof(entry->opcode) + 2 * sizeof(HANDLE); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } else *len = header_len; RtlCopyMemory(tmp, &entry->version, sizeof(entry->version)); tmp += sizeof(entry->version); RtlCopyMemory(tmp, &entry->xid, sizeof(entry->xid)); tmp += sizeof(entry->xid); RtlCopyMemory(tmp, &entry->opcode, sizeof(entry->opcode)); tmp += sizeof(entry->opcode); RtlCopyMemory(tmp, &entry->session, sizeof(HANDLE)); tmp += sizeof(HANDLE); RtlCopyMemory(tmp, &entry->open_state, sizeof(HANDLE)); tmp += sizeof(HANDLE); #ifdef DEBUG_MARSHAL_HEADER if (MmIsAddressValid(entry->filename)) DbgP("[upcall header] xid=%lld opcode=%s filename=%wZ version=%d " "session=0x%x open_state=0x%x\n", entry->xid, opcode2string(entry->opcode), entry->filename, entry->version, entry->session, entry->open_state); else status = STATUS_INTERNAL_ERROR; #endif out: return status; } const char* secflavorop2name( DWORD sec_flavor) { switch(sec_flavor) { case RPCSEC_AUTH_SYS: return "AUTH_SYS"; case RPCSEC_AUTHGSS_KRB5: return "AUTHGSS_KRB5"; case RPCSEC_AUTHGSS_KRB5I: return "AUTHGSS_KRB5I"; case RPCSEC_AUTHGSS_KRB5P: return "AUTHGSS_KRB5P"; } return "UNKNOWN FLAVOR"; } NTSTATUS marshal_nfs41_mount( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; /* 03/25/2011: Kernel crash to nfsd not running but mount upcall cued up */ if (!MmIsAddressValid(entry->u.Mount.srv_name) || !MmIsAddressValid(entry->u.Mount.root)) { status = STATUS_INTERNAL_ERROR; goto out; } header_len = *len + length_as_utf8(entry->u.Mount.srv_name) + length_as_utf8(entry->u.Mount.root) + 3 * sizeof(DWORD); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } status = marshall_unicode_as_utf8(&tmp, entry->u.Mount.srv_name); if (status) goto out; status = marshall_unicode_as_utf8(&tmp, entry->u.Mount.root); if (status) goto out; RtlCopyMemory(tmp, &entry->u.Mount.sec_flavor, sizeof(DWORD)); tmp += sizeof(DWORD); RtlCopyMemory(tmp, &entry->u.Mount.rsize, sizeof(DWORD)); tmp += sizeof(DWORD); RtlCopyMemory(tmp, &entry->u.Mount.wsize, sizeof(DWORD)); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_mount: server name=%wZ mount point=%wZ sec_flavor=%s " "rsize=%d wsize=%d\n", entry->u.Mount.srv_name, entry->u.Mount.root, secflavorop2name(entry->u.Mount.sec_flavor), entry->u.Mount.rsize, entry->u.Mount.wsize); #endif out: return status; } NTSTATUS marshal_nfs41_unmount( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { return marshal_nfs41_header(entry, buf, buf_len, len); } NTSTATUS marshal_nfs41_open( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + length_as_utf8(entry->filename) + 7 * sizeof(ULONG) + 2 * sizeof(HANDLE) + length_as_utf8(&entry->u.Open.symlink); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } status = marshall_unicode_as_utf8(&tmp, entry->filename); if (status) goto out; RtlCopyMemory(tmp, &entry->u.Open.access_mask, sizeof(entry->u.Open.access_mask)); tmp += sizeof(entry->u.Open.access_mask); RtlCopyMemory(tmp, &entry->u.Open.access_mode, sizeof(entry->u.Open.access_mode)); tmp += sizeof(entry->u.Open.access_mode); RtlCopyMemory(tmp, &entry->u.Open.attrs, sizeof(entry->u.Open.attrs)); tmp += sizeof(entry->u.Open.attrs); RtlCopyMemory(tmp, &entry->u.Open.copts, sizeof(entry->u.Open.copts)); tmp += sizeof(entry->u.Open.copts); RtlCopyMemory(tmp, &entry->u.Open.disp, sizeof(entry->u.Open.disp)); tmp += sizeof(entry->u.Open.disp); RtlCopyMemory(tmp, &entry->u.Open.open_owner_id, sizeof(entry->u.Open.open_owner_id)); tmp += sizeof(entry->u.Open.open_owner_id); RtlCopyMemory(tmp, &entry->u.Open.mode, sizeof(DWORD)); tmp += sizeof(DWORD); RtlCopyMemory(tmp, &entry->u.Open.srv_open, sizeof(HANDLE)); tmp += sizeof(HANDLE); status = marshall_unicode_as_utf8(&tmp, &entry->u.Open.symlink); if (status) goto out; _SEH2_TRY { if (entry->u.Open.EaMdl) { entry->u.Open.EaBuffer = MmMapLockedPagesSpecifyCache(entry->u.Open.EaMdl, #ifndef __REACTOS__ UserMode, MmNonCached, NULL, TRUE, NormalPagePriority); #else UserMode, MmCached, NULL, TRUE, NormalPagePriority); #endif if (entry->u.Open.EaBuffer == NULL) { print_error("MmMapLockedPagesSpecifyCache failed to map pages\n"); status = STATUS_INSUFFICIENT_RESOURCES; goto out; } } } _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) { print_error("Call to MmMapLocked failed due to exception 0x%x\n", _SEH2_GetExceptionCode()); status = STATUS_ACCESS_DENIED; goto out; } _SEH2_END; RtlCopyMemory(tmp, &entry->u.Open.EaBuffer, sizeof(HANDLE)); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_open: name=%wZ mask=0x%x access=0x%x attrs=0x%x " "opts=0x%x dispo=0x%x open_owner_id=0x%x mode=%o srv_open=%p ea=%p\n", entry->filename, entry->u.Open.access_mask, entry->u.Open.access_mode, entry->u.Open.attrs, entry->u.Open.copts, entry->u.Open.disp, entry->u.Open.open_owner_id, entry->u.Open.mode, entry->u.Open.srv_open, entry->u.Open.EaBuffer); #endif out: return status; } NTSTATUS marshal_nfs41_rw( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + sizeof(entry->buf_len) + sizeof(entry->u.ReadWrite.offset) + sizeof(HANDLE); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlCopyMemory(tmp, &entry->buf_len, sizeof(entry->buf_len)); tmp += sizeof(entry->buf_len); RtlCopyMemory(tmp, &entry->u.ReadWrite.offset, sizeof(entry->u.ReadWrite.offset)); tmp += sizeof(entry->u.ReadWrite.offset); _SEH2_TRY { entry->u.ReadWrite.MdlAddress->MdlFlags |= MDL_MAPPING_CAN_FAIL; entry->buf = MmMapLockedPagesSpecifyCache(entry->u.ReadWrite.MdlAddress, #ifndef __REACTOS__ UserMode, MmNonCached, NULL, TRUE, NormalPagePriority); #else UserMode, MmCached, NULL, TRUE, NormalPagePriority); #endif if (entry->buf == NULL) { print_error("MmMapLockedPagesSpecifyCache failed to map pages\n"); status = STATUS_INSUFFICIENT_RESOURCES; goto out; } } _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) { NTSTATUS code; code = _SEH2_GetExceptionCode(); print_error("Call to MmMapLocked failed due to exception 0x%x\n", code); status = STATUS_ACCESS_DENIED; goto out; } _SEH2_END; RtlCopyMemory(tmp, &entry->buf, sizeof(HANDLE)); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_rw: len=%lu offset=%llu MdlAddress=%p Userspace=%p\n", entry->buf_len, entry->u.ReadWrite.offset, entry->u.ReadWrite.MdlAddress, entry->buf); #endif out: return status; } NTSTATUS marshal_nfs41_lock( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + 2 * sizeof(LONGLONG) + 2 * sizeof(BOOLEAN); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlCopyMemory(tmp, &entry->u.Lock.offset, sizeof(LONGLONG)); tmp += sizeof(LONGLONG); RtlCopyMemory(tmp, &entry->u.Lock.length, sizeof(LONGLONG)); tmp += sizeof(LONGLONG); RtlCopyMemory(tmp, &entry->u.Lock.exclusive, sizeof(BOOLEAN)); tmp += sizeof(BOOLEAN); RtlCopyMemory(tmp, &entry->u.Lock.blocking, sizeof(BOOLEAN)); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_lock: offset=%llx length=%llx exclusive=%u " "blocking=%u\n", entry->u.Lock.offset, entry->u.Lock.length, entry->u.Lock.exclusive, entry->u.Lock.blocking); #endif out: return status; } NTSTATUS marshal_nfs41_unlock( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; PLOWIO_LOCK_LIST lock; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + sizeof(ULONG) + entry->u.Unlock.count * 2 * sizeof(LONGLONG); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlCopyMemory(tmp, &entry->u.Unlock.count, sizeof(ULONG)); tmp += sizeof(ULONG); lock = &entry->u.Unlock.locks; while (lock) { RtlCopyMemory(tmp, &lock->ByteOffset, sizeof(LONGLONG)); tmp += sizeof(LONGLONG); RtlCopyMemory(tmp, &lock->Length, sizeof(LONGLONG)); tmp += sizeof(LONGLONG); lock = lock->Next; } *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_unlock: count=%u\n", entry->u.Unlock.count); #endif out: return status; } NTSTATUS marshal_nfs41_close( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + sizeof(BOOLEAN) + sizeof(HANDLE); if (entry->u.Close.remove) header_len += length_as_utf8(entry->filename) + sizeof(BOOLEAN); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlCopyMemory(tmp, &entry->u.Close.remove, sizeof(BOOLEAN)); tmp += sizeof(BOOLEAN); RtlCopyMemory(tmp, &entry->u.Close.srv_open, sizeof(HANDLE)); if (entry->u.Close.remove) { tmp += sizeof(HANDLE); status = marshall_unicode_as_utf8(&tmp, entry->filename); if (status) goto out; RtlCopyMemory(tmp, &entry->u.Close.renamed, sizeof(BOOLEAN)); } *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_close: name=%wZ remove=%d srv_open=%p renamed=%d\n", entry->filename->Length?entry->filename:&SLASH, entry->u.Close.remove, entry->u.Close.srv_open, entry->u.Close.renamed); #endif out: return status; } NTSTATUS marshal_nfs41_dirquery( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + 2 * sizeof(ULONG) + sizeof(HANDLE) + length_as_utf8(entry->u.QueryFile.filter) + 3 * sizeof(BOOLEAN); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlCopyMemory(tmp, &entry->u.QueryFile.InfoClass, sizeof(ULONG)); tmp += sizeof(ULONG); RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG)); tmp += sizeof(ULONG); status = marshall_unicode_as_utf8(&tmp, entry->u.QueryFile.filter); if (status) goto out; RtlCopyMemory(tmp, &entry->u.QueryFile.initial_query, sizeof(BOOLEAN)); tmp += sizeof(BOOLEAN); RtlCopyMemory(tmp, &entry->u.QueryFile.restart_scan, sizeof(BOOLEAN)); tmp += sizeof(BOOLEAN); RtlCopyMemory(tmp, &entry->u.QueryFile.return_single, sizeof(BOOLEAN)); tmp += sizeof(BOOLEAN); _SEH2_TRY { entry->u.QueryFile.mdl_buf = MmMapLockedPagesSpecifyCache(entry->u.QueryFile.mdl, #ifndef __REACTOS__ UserMode, MmNonCached, NULL, TRUE, NormalPagePriority); #else UserMode, MmCached, NULL, TRUE, NormalPagePriority); #endif if (entry->u.QueryFile.mdl_buf == NULL) { print_error("MmMapLockedPagesSpecifyCache failed to map pages\n"); status = STATUS_INSUFFICIENT_RESOURCES; goto out; } } _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) { NTSTATUS code; code = _SEH2_GetExceptionCode(); print_error("Call to MmMapLocked failed due to exception 0x%x\n", code); status = STATUS_ACCESS_DENIED; goto out; } _SEH2_END; RtlCopyMemory(tmp, &entry->u.QueryFile.mdl_buf, sizeof(HANDLE)); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_dirquery: filter='%wZ'class=%d len=%d " "1st\\restart\\single=%d\\%d\\%d\n", entry->u.QueryFile.filter, entry->u.QueryFile.InfoClass, entry->buf_len, entry->u.QueryFile.initial_query, entry->u.QueryFile.restart_scan, entry->u.QueryFile.return_single); #endif out: return status; } NTSTATUS marshal_nfs41_filequery( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + 2 * sizeof(ULONG); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlCopyMemory(tmp, &entry->u.QueryFile.InfoClass, sizeof(ULONG)); tmp += sizeof(ULONG); RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG)); tmp += sizeof(ULONG); RtlCopyMemory(tmp, &entry->session, sizeof(HANDLE)); tmp += sizeof(HANDLE); RtlCopyMemory(tmp, &entry->open_state, sizeof(HANDLE)); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_filequery: class=%d\n", entry->u.QueryFile.InfoClass); #endif out: return status; } NTSTATUS marshal_nfs41_fileset( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + length_as_utf8(entry->filename) + 2 * sizeof(ULONG) + entry->buf_len; if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } status = marshall_unicode_as_utf8(&tmp, entry->filename); if (status) goto out; RtlCopyMemory(tmp, &entry->u.SetFile.InfoClass, sizeof(ULONG)); tmp += sizeof(ULONG); RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG)); tmp += sizeof(ULONG); RtlCopyMemory(tmp, entry->buf, entry->buf_len); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_fileset: filename='%wZ' class=%d\n", entry->filename, entry->u.SetFile.InfoClass); #endif out: return status; } NTSTATUS marshal_nfs41_easet( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + length_as_utf8(entry->filename) + sizeof(ULONG) + entry->buf_len + sizeof(DWORD); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } status = marshall_unicode_as_utf8(&tmp, entry->filename); if (status) goto out; RtlCopyMemory(tmp, &entry->u.SetEa.mode, sizeof(DWORD)); tmp += sizeof(DWORD); RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG)); tmp += sizeof(ULONG); RtlCopyMemory(tmp, entry->buf, entry->buf_len); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_easet: filename=%wZ, buflen=%d mode=0x%x\n", entry->filename, entry->buf_len, entry->u.SetEa.mode); #endif out: return status; } NTSTATUS marshal_nfs41_eaget( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + length_as_utf8(entry->filename) + 3 * sizeof(ULONG) + entry->u.QueryEa.EaListLength + 2 * sizeof(BOOLEAN); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } status = marshall_unicode_as_utf8(&tmp, entry->filename); if (status) goto out; RtlCopyMemory(tmp, &entry->u.QueryEa.EaIndex, sizeof(ULONG)); tmp += sizeof(ULONG); RtlCopyMemory(tmp, &entry->u.QueryEa.RestartScan, sizeof(BOOLEAN)); tmp += sizeof(BOOLEAN); RtlCopyMemory(tmp, &entry->u.QueryEa.ReturnSingleEntry, sizeof(BOOLEAN)); tmp += sizeof(BOOLEAN); RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG)); tmp += sizeof(ULONG); RtlCopyMemory(tmp, &entry->u.QueryEa.EaListLength, sizeof(ULONG)); tmp += sizeof(ULONG); if (entry->u.QueryEa.EaList && entry->u.QueryEa.EaListLength) RtlCopyMemory(tmp, entry->u.QueryEa.EaList, entry->u.QueryEa.EaListLength); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_eaget: filename=%wZ, index=%d list_len=%d " "rescan=%d single=%d\n", entry->filename, entry->u.QueryEa.EaIndex, entry->u.QueryEa.EaListLength, entry->u.QueryEa.RestartScan, entry->u.QueryEa.ReturnSingleEntry); #endif out: return status; } NTSTATUS marshal_nfs41_symlink( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + sizeof(BOOLEAN) + length_as_utf8(entry->filename); if (entry->u.Symlink.set) header_len += length_as_utf8(entry->u.Symlink.target); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } status = marshall_unicode_as_utf8(&tmp, entry->filename); if (status) goto out; RtlCopyMemory(tmp, &entry->u.Symlink.set, sizeof(BOOLEAN)); tmp += sizeof(BOOLEAN); if (entry->u.Symlink.set) { status = marshall_unicode_as_utf8(&tmp, entry->u.Symlink.target); if (status) goto out; } *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_symlink: name %wZ symlink target %wZ\n", entry->filename, entry->u.Symlink.set?entry->u.Symlink.target : NULL); #endif out: return status; } NTSTATUS marshal_nfs41_volume( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + sizeof(FS_INFORMATION_CLASS); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlCopyMemory(tmp, &entry->u.Volume.query, sizeof(FS_INFORMATION_CLASS)); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_volume: class=%d\n", entry->u.Volume.query); #endif out: return status; } NTSTATUS marshal_nfs41_getacl( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + sizeof(SECURITY_INFORMATION); if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlCopyMemory(tmp, &entry->u.Acl.query, sizeof(SECURITY_INFORMATION)); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_getacl: class=0x%x\n", entry->u.Acl.query); #endif out: return status; } NTSTATUS marshal_nfs41_setacl( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { NTSTATUS status = STATUS_SUCCESS; ULONG header_len = 0; unsigned char *tmp = buf; status = marshal_nfs41_header(entry, tmp, buf_len, len); if (status) goto out; else tmp += *len; header_len = *len + sizeof(SECURITY_INFORMATION) + sizeof(ULONG) + entry->buf_len; if (header_len > buf_len) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlCopyMemory(tmp, &entry->u.Acl.query, sizeof(SECURITY_INFORMATION)); tmp += sizeof(SECURITY_INFORMATION); RtlCopyMemory(tmp, &entry->buf_len, sizeof(ULONG)); tmp += sizeof(ULONG); RtlCopyMemory(tmp, entry->buf, entry->buf_len); *len = header_len; #ifdef DEBUG_MARSHAL_DETAIL DbgP("marshal_nfs41_setacl: class=0x%x sec_desc_len=%lu\n", entry->u.Acl.query, entry->buf_len); #endif out: return status; } NTSTATUS marshal_nfs41_shutdown( nfs41_updowncall_entry *entry, unsigned char *buf, ULONG buf_len, ULONG *len) { return marshal_nfs41_header(entry, buf, buf_len, len); } void nfs41_invalidate_cache ( IN PRX_CONTEXT RxContext) { PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; unsigned char *buf = LowIoContext->ParamsFor.IoCtl.pInputBuffer; ULONG flag = DISABLE_CACHING; PMRX_SRV_OPEN srv_open; RtlCopyMemory(&srv_open, buf, sizeof(HANDLE)); #ifdef DEBUG_INVALIDATE_CACHE DbgP("nfs41_invalidate_cache: received srv_open=%p %wZ\n", srv_open, srv_open->pAlreadyPrefixedName); #endif if (MmIsAddressValid(srv_open)) RxIndicateChangeOfBufferingStateForSrvOpen( srv_open->pFcb->pNetRoot->pSrvCall, srv_open, srv_open->Key, ULongToPtr(flag)); } NTSTATUS handle_upcall( IN PRX_CONTEXT RxContext, IN nfs41_updowncall_entry *entry, OUT ULONG *len) { NTSTATUS status = STATUS_SUCCESS; PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; ULONG cbOut = LowIoContext->ParamsFor.IoCtl.OutputBufferLength; unsigned char *pbOut = LowIoContext->ParamsFor.IoCtl.pOutputBuffer; status = SeImpersonateClientEx(entry->psec_ctx, NULL); if (status != STATUS_SUCCESS) { print_error("SeImpersonateClientEx failed %x\n", status); goto out; } switch(entry->opcode) { case NFS41_SHUTDOWN: status = marshal_nfs41_shutdown(entry, pbOut, cbOut, len); KeSetEvent(&entry->cond, 0, FALSE); break; case NFS41_MOUNT: status = marshal_nfs41_mount(entry, pbOut, cbOut, len); break; case NFS41_UNMOUNT: status = marshal_nfs41_unmount(entry, pbOut, cbOut, len); break; case NFS41_OPEN: status = marshal_nfs41_open(entry, pbOut, cbOut, len); break; case NFS41_READ: status = marshal_nfs41_rw(entry, pbOut, cbOut, len); break; case NFS41_WRITE: status = marshal_nfs41_rw(entry, pbOut, cbOut, len); break; case NFS41_LOCK: status = marshal_nfs41_lock(entry, pbOut, cbOut, len); break; case NFS41_UNLOCK: status = marshal_nfs41_unlock(entry, pbOut, cbOut, len); break; case NFS41_CLOSE: status = marshal_nfs41_close(entry, pbOut, cbOut, len); break; case NFS41_DIR_QUERY: status = marshal_nfs41_dirquery(entry, pbOut, cbOut, len); break; case NFS41_FILE_QUERY: status = marshal_nfs41_filequery(entry, pbOut, cbOut, len); break; case NFS41_FILE_SET: status = marshal_nfs41_fileset(entry, pbOut, cbOut, len); break; case NFS41_EA_SET: status = marshal_nfs41_easet(entry, pbOut, cbOut, len); break; case NFS41_EA_GET: status = marshal_nfs41_eaget(entry, pbOut, cbOut, len); break; case NFS41_SYMLINK: status = marshal_nfs41_symlink(entry, pbOut, cbOut, len); break; case NFS41_VOLUME_QUERY: status = marshal_nfs41_volume(entry, pbOut, cbOut, len); break; case NFS41_ACL_QUERY: status = marshal_nfs41_getacl(entry, pbOut, cbOut, len); break; case NFS41_ACL_SET: status = marshal_nfs41_setacl(entry, pbOut, cbOut, len); break; default: status = STATUS_INVALID_PARAMETER; print_error("Unknown nfs41 ops %d\n", entry->opcode); } if (status == STATUS_SUCCESS) print_hexbuf(0, (unsigned char *)"upcall buffer", pbOut, *len); out: return status; } NTSTATUS nfs41_UpcallCreate( IN DWORD opcode, IN PSECURITY_CLIENT_CONTEXT clnt_sec_ctx, IN HANDLE session, IN HANDLE open_state, IN DWORD version, IN PUNICODE_STRING filename, OUT nfs41_updowncall_entry **entry_out) { NTSTATUS status = STATUS_SUCCESS; nfs41_updowncall_entry *entry; SECURITY_SUBJECT_CONTEXT sec_ctx; SECURITY_QUALITY_OF_SERVICE sec_qos; entry = RxAllocatePoolWithTag(NonPagedPool, sizeof(nfs41_updowncall_entry), NFS41_MM_POOLTAG_UP); if (entry == NULL) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlZeroMemory(entry, sizeof(nfs41_updowncall_entry)); entry->xid = InterlockedIncrement64(&xid); entry->opcode = opcode; entry->state = NFS41_WAITING_FOR_UPCALL; entry->session = session; entry->open_state = open_state; entry->version = version; if (filename && filename->Length) entry->filename = filename; else if (filename && !filename->Length) entry->filename = (PUNICODE_STRING)&SLASH; else entry->filename = (PUNICODE_STRING)&EMPTY_STRING; /*XXX KeInitializeEvent will bugcheck under verifier if allocated * from PagedPool? */ KeInitializeEvent(&entry->cond, SynchronizationEvent, FALSE); ExInitializeFastMutex(&entry->lock); if (clnt_sec_ctx == NULL) { SeCaptureSubjectContext(&sec_ctx); sec_qos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING; sec_qos.ImpersonationLevel = SecurityImpersonation; sec_qos.Length = sizeof(SECURITY_QUALITY_OF_SERVICE); sec_qos.EffectiveOnly = 0; status = SeCreateClientSecurityFromSubjectContext(&sec_ctx, &sec_qos, 1, &entry->sec_ctx); if (status != STATUS_SUCCESS) { print_error("nfs41_UpcallCreate: " "SeCreateClientSecurityFromSubjectContext failed with %x\n", status); RxFreePool(entry); } else entry->psec_ctx = &entry->sec_ctx; SeReleaseSubjectContext(&sec_ctx); } else entry->psec_ctx = clnt_sec_ctx; *entry_out = entry; out: return status; } NTSTATUS nfs41_UpcallWaitForReply( IN nfs41_updowncall_entry *entry, IN DWORD secs) { NTSTATUS status = STATUS_SUCCESS; nfs41_AddEntry(upcallLock, upcall, entry); KeSetEvent(&upcallEvent, 0, FALSE); if (!entry->async_op) { LARGE_INTEGER timeout; timeout.QuadPart = RELATIVE(SECONDS(secs)); /* 02/03/2011 AGLO: it is not clear what the "right" waiting design * should be. Having non-interruptable waiting seems to be the right * approach. However, when things go wrong, the only wait to proceed * is a reboot (since "waits" are not interruptable we can't stop a * hung task. Having interruptable wait causes issues with security * context. For now, I'm making CLOSE non-interruptable but keeping * the rest interruptable so that we don't have to reboot all the time */ /* 02/15/2011 cbodley: added NFS41_UNLOCK for the same reason. locking * tests were triggering an interrupted unlock, which led to a bugcheck * in CloseSrvOpen() */ #define MAKE_WAITONCLOSE_NONITERRUPTABLE #ifdef MAKE_WAITONCLOSE_NONITERRUPTABLE if (entry->opcode == NFS41_CLOSE || entry->opcode == NFS41_UNLOCK) status = KeWaitForSingleObject(&entry->cond, Executive, KernelMode, FALSE, &timeout); else { status = KeWaitForSingleObject(&entry->cond, Executive, UserMode, TRUE, &timeout); } if (status != STATUS_SUCCESS) { print_wait_status(1, "[downcall]", status, opcode2string(entry->opcode), entry, entry->xid); if (status == STATUS_TIMEOUT) status = STATUS_NETWORK_UNREACHABLE; } #else status = KeWaitForSingleObject(&entry->cond, Executive, KernelMode, FALSE, NULL); #endif print_wait_status(0, "[downcall]", status, opcode2string(entry->opcode), entry, entry->xid); } else goto out; switch(status) { case STATUS_SUCCESS: break; case STATUS_USER_APC: case STATUS_ALERTED: default: ExAcquireFastMutex(&entry->lock); if (entry->state == NFS41_DONE_PROCESSING) { ExReleaseFastMutex(&entry->lock); break; } DbgP("[upcall] abandoning %s entry=%p xid=%lld\n", opcode2string(entry->opcode), entry, entry->xid); entry->state = NFS41_NOT_WAITING; ExReleaseFastMutex(&entry->lock); goto out; } nfs41_RemoveEntry(downcallLock, entry); out: return status; } NTSTATUS nfs41_upcall( IN PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_SUCCESS; nfs41_updowncall_entry *entry = NULL; ULONG len = 0; PLIST_ENTRY pEntry; process_upcall: nfs41_RemoveFirst(upcallLock, upcall, pEntry); if (pEntry) { entry = (nfs41_updowncall_entry *)CONTAINING_RECORD(pEntry, nfs41_updowncall_entry, next); ExAcquireFastMutex(&entry->lock); nfs41_AddEntry(downcallLock, downcall, entry); status = handle_upcall(RxContext, entry, &len); if (status == STATUS_SUCCESS && entry->state == NFS41_WAITING_FOR_UPCALL) entry->state = NFS41_WAITING_FOR_DOWNCALL; ExReleaseFastMutex(&entry->lock); if (status) { entry->status = status; KeSetEvent(&entry->cond, 0, FALSE); RxContext->InformationToReturn = 0; } else RxContext->InformationToReturn = len; } else { status = KeWaitForSingleObject(&upcallEvent, Executive, UserMode, TRUE, (PLARGE_INTEGER) NULL); print_wait_status(0, "[upcall]", status, NULL, NULL, 0); switch (status) { case STATUS_SUCCESS: goto process_upcall; case STATUS_USER_APC: case STATUS_ALERTED: default: goto out; } } out: return status; } void unmarshal_nfs41_header( nfs41_updowncall_entry *tmp, unsigned char **buf) { RtlZeroMemory(tmp, sizeof(nfs41_updowncall_entry)); RtlCopyMemory(&tmp->xid, *buf, sizeof(tmp->xid)); *buf += sizeof(tmp->xid); RtlCopyMemory(&tmp->opcode, *buf, sizeof(tmp->opcode)); *buf += sizeof(tmp->opcode); RtlCopyMemory(&tmp->status, *buf, sizeof(tmp->status)); *buf += sizeof(tmp->status); RtlCopyMemory(&tmp->errno, *buf, sizeof(tmp->errno)); *buf += sizeof(tmp->errno); #ifdef DEBUG_MARSHAL_HEADER DbgP("[downcall header] xid=%lld opcode=%s status=%d errno=%d\n", tmp->xid, opcode2string(tmp->opcode), tmp->status, tmp->errno); #endif } void unmarshal_nfs41_mount( nfs41_updowncall_entry *cur, unsigned char **buf) { RtlCopyMemory(&cur->session, *buf, sizeof(HANDLE)); *buf += sizeof(HANDLE); RtlCopyMemory(&cur->version, *buf, sizeof(DWORD)); *buf += sizeof(DWORD); RtlCopyMemory(&cur->u.Mount.lease_time, *buf, sizeof(DWORD)); *buf += sizeof(DWORD); RtlCopyMemory(cur->u.Mount.FsAttrs, *buf, sizeof(FILE_FS_ATTRIBUTE_INFORMATION)); #ifdef DEBUG_MARSHAL_DETAIL DbgP("unmarshal_nfs41_mount: session pointer 0x%x version %d lease_time " "%d\n", cur->session, cur->version, cur->u.Mount.lease_time); #endif } VOID unmarshal_nfs41_setattr( nfs41_updowncall_entry *cur, PULONGLONG dest_buf, unsigned char **buf) { RtlCopyMemory(dest_buf, *buf, sizeof(ULONGLONG)); #ifdef DEBUG_MARSHAL_DETAIL DbgP("unmarshal_nfs41_setattr: returned ChangeTime %llu\n", *dest_buf); #endif } NTSTATUS unmarshal_nfs41_rw( nfs41_updowncall_entry *cur, unsigned char **buf) { NTSTATUS status = STATUS_SUCCESS; RtlCopyMemory(&cur->buf_len, *buf, sizeof(cur->buf_len)); *buf += sizeof(cur->buf_len); RtlCopyMemory(&cur->ChangeTime, *buf, sizeof(ULONGLONG)); #ifdef DEBUG_MARSHAL_DETAIL DbgP("unmarshal_nfs41_rw: returned len %lu ChangeTime %llu\n", cur->buf_len, cur->ChangeTime); #endif #if 1 /* 08/27/2010: it looks like we really don't need to call * MmUnmapLockedPages() eventhough we called * MmMapLockedPagesSpecifyCache() as the MDL passed to us * is already locked. */ _SEH2_TRY { MmUnmapLockedPages(cur->buf, cur->u.ReadWrite.MdlAddress); } _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) { NTSTATUS code; code = _SEH2_GetExceptionCode(); print_error("Call to MmUnmapLockedPages failed due to" " exception 0x%0x\n", code); status = STATUS_ACCESS_DENIED; } _SEH2_END; #endif return status; } NTSTATUS unmarshal_nfs41_open( nfs41_updowncall_entry *cur, unsigned char **buf) { NTSTATUS status = STATUS_SUCCESS; _SEH2_TRY { if (cur->u.Open.EaBuffer) MmUnmapLockedPages(cur->u.Open.EaBuffer, cur->u.Open.EaMdl); } _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) { print_error("MmUnmapLockedPages thrown exception=0x%0x\n", _SEH2_GetExceptionCode()); status = cur->status = STATUS_ACCESS_DENIED; goto out; } _SEH2_END; RtlCopyMemory(&cur->u.Open.binfo, *buf, sizeof(FILE_BASIC_INFORMATION)); *buf += sizeof(FILE_BASIC_INFORMATION); RtlCopyMemory(&cur->u.Open.sinfo, *buf, sizeof(FILE_STANDARD_INFORMATION)); *buf += sizeof(FILE_STANDARD_INFORMATION); RtlCopyMemory(&cur->open_state, *buf, sizeof(HANDLE)); *buf += sizeof(HANDLE); RtlCopyMemory(&cur->u.Open.mode, *buf, sizeof(DWORD)); *buf += sizeof(DWORD); RtlCopyMemory(&cur->ChangeTime, *buf, sizeof(ULONGLONG)); *buf += sizeof(ULONGLONG); RtlCopyMemory(&cur->u.Open.deleg_type, *buf, sizeof(DWORD)); *buf += sizeof(DWORD); if (cur->errno == ERROR_REPARSE) { RtlCopyMemory(&cur->u.Open.symlink_embedded, *buf, sizeof(BOOLEAN)); *buf += sizeof(BOOLEAN); RtlCopyMemory(&cur->u.Open.symlink.MaximumLength, *buf, sizeof(USHORT)); *buf += sizeof(USHORT); cur->u.Open.symlink.Length = cur->u.Open.symlink.MaximumLength - sizeof(WCHAR); cur->u.Open.symlink.Buffer = RxAllocatePoolWithTag(NonPagedPool, cur->u.Open.symlink.MaximumLength, NFS41_MM_POOLTAG); if (cur->u.Open.symlink.Buffer == NULL) { cur->status = STATUS_INSUFFICIENT_RESOURCES; status = STATUS_UNSUCCESSFUL; goto out; } RtlCopyMemory(cur->u.Open.symlink.Buffer, *buf, cur->u.Open.symlink.MaximumLength); #ifdef DEBUG_MARSHAL_DETAIL DbgP("unmarshal_nfs41_open: ERROR_REPARSE -> '%wZ'\n", &cur->u.Open.symlink); #endif } #ifdef DEBUG_MARSHAL_DETAIL DbgP("unmarshal_nfs41_open: open_state 0x%x mode %o changeattr %llu " "deleg_type %d\n", cur->open_state, cur->u.Open.mode, cur->ChangeTime, cur->u.Open.deleg_type); #endif out: return status; } NTSTATUS unmarshal_nfs41_dirquery( nfs41_updowncall_entry *cur, unsigned char **buf) { NTSTATUS status = STATUS_SUCCESS; ULONG buf_len; RtlCopyMemory(&buf_len, *buf, sizeof(ULONG)); #ifdef DEBUG_MARSHAL_DETAIL DbgP("unmarshal_nfs41_dirquery: reply size %d\n", buf_len); #endif *buf += sizeof(ULONG); _SEH2_TRY { MmUnmapLockedPages(cur->u.QueryFile.mdl_buf, cur->u.QueryFile.mdl); } _SEH2_EXCEPT (EXCEPTION_EXECUTE_HANDLER) { NTSTATUS code; code = _SEH2_GetExceptionCode(); print_error("MmUnmapLockedPages thrown exception=0x%0x\n", code); status = STATUS_ACCESS_DENIED; } _SEH2_END; if (buf_len > cur->buf_len) cur->status = STATUS_BUFFER_TOO_SMALL; cur->buf_len = buf_len; return status; } void unmarshal_nfs41_attrget( nfs41_updowncall_entry *cur, PVOID attr_value, ULONG *attr_len, unsigned char **buf) { ULONG buf_len; RtlCopyMemory(&buf_len, *buf, sizeof(ULONG)); if (buf_len > *attr_len) { cur->status = STATUS_BUFFER_TOO_SMALL; return; } *buf += sizeof(ULONG); *attr_len = buf_len; RtlCopyMemory(attr_value, *buf, buf_len); *buf += buf_len; } void unmarshal_nfs41_eaget( nfs41_updowncall_entry *cur, unsigned char **buf) { RtlCopyMemory(&cur->u.QueryEa.Overflow, *buf, sizeof(ULONG)); *buf += sizeof(ULONG); RtlCopyMemory(&cur->buf_len, *buf, sizeof(ULONG)); *buf += sizeof(ULONG); if (cur->u.QueryEa.Overflow != ERROR_INSUFFICIENT_BUFFER) { RtlCopyMemory(cur->buf, *buf, cur->buf_len); *buf += cur->buf_len; } } void unmarshal_nfs41_getattr( nfs41_updowncall_entry *cur, unsigned char **buf) { unmarshal_nfs41_attrget(cur, cur->buf, &cur->buf_len, buf); RtlCopyMemory(&cur->ChangeTime, *buf, sizeof(LONGLONG)); #ifdef DEBUG_MARSHAL_DETAIL if (cur->u.QueryFile.InfoClass == FileBasicInformation) DbgP("[unmarshal_nfs41_getattr] ChangeTime %llu\n", cur->ChangeTime); #endif } NTSTATUS unmarshal_nfs41_getacl( nfs41_updowncall_entry *cur, unsigned char **buf) { NTSTATUS status = STATUS_SUCCESS; DWORD buf_len; RtlCopyMemory(&buf_len, *buf, sizeof(DWORD)); *buf += sizeof(DWORD); cur->buf = RxAllocatePoolWithTag(NonPagedPool, buf_len, NFS41_MM_POOLTAG_ACL); if (cur->buf == NULL) { cur->status = status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlCopyMemory(cur->buf, *buf, buf_len); if (buf_len > cur->buf_len) cur->status = STATUS_BUFFER_TOO_SMALL; cur->buf_len = buf_len; out: return status; } void unmarshal_nfs41_symlink( nfs41_updowncall_entry *cur, unsigned char **buf) { if (cur->u.Symlink.set) return; RtlCopyMemory(&cur->u.Symlink.target->Length, *buf, sizeof(USHORT)); *buf += sizeof(USHORT); if (cur->u.Symlink.target->Length > cur->u.Symlink.target->MaximumLength) { cur->status = STATUS_BUFFER_TOO_SMALL; return; } RtlCopyMemory(cur->u.Symlink.target->Buffer, *buf, cur->u.Symlink.target->Length); cur->u.Symlink.target->Length -= sizeof(UNICODE_NULL); } NTSTATUS nfs41_downcall( IN PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_SUCCESS; PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; ULONG in_len = LowIoContext->ParamsFor.IoCtl.InputBufferLength; unsigned char *buf = LowIoContext->ParamsFor.IoCtl.pInputBuffer; PLIST_ENTRY pEntry; nfs41_updowncall_entry *tmp, *cur= NULL; BOOLEAN found = 0; print_hexbuf(0, (unsigned char *)"downcall buffer", buf, in_len); tmp = RxAllocatePoolWithTag(NonPagedPool, sizeof(nfs41_updowncall_entry), NFS41_MM_POOLTAG_DOWN); if (tmp == NULL) goto out; unmarshal_nfs41_header(tmp, &buf); ExAcquireFastMutex(&downcallLock); pEntry = &downcall.head; pEntry = pEntry->Flink; while (pEntry != NULL) { cur = (nfs41_updowncall_entry *)CONTAINING_RECORD(pEntry, nfs41_updowncall_entry, next); if (cur->xid == tmp->xid) { found = 1; break; } if (pEntry->Flink == &downcall.head) break; pEntry = pEntry->Flink; } ExReleaseFastMutex(&downcallLock); SeStopImpersonatingClient(); if (!found) { print_error("Didn't find xid=%lld entry\n", tmp->xid); goto out_free; } ExAcquireFastMutex(&cur->lock); if (cur->state == NFS41_NOT_WAITING) { DbgP("[downcall] Nobody is waiting for this request!!!\n"); switch(cur->opcode) { case NFS41_WRITE: case NFS41_READ: MmUnmapLockedPages(cur->buf, cur->u.ReadWrite.MdlAddress); break; case NFS41_DIR_QUERY: MmUnmapLockedPages(cur->u.QueryFile.mdl_buf, cur->u.QueryFile.mdl); IoFreeMdl(cur->u.QueryFile.mdl); break; case NFS41_OPEN: if (cur->u.Open.EaMdl) { MmUnmapLockedPages(cur->u.Open.EaBuffer, cur->u.Open.EaMdl); IoFreeMdl(cur->u.Open.EaMdl); } break; } ExReleaseFastMutex(&cur->lock); nfs41_RemoveEntry(downcallLock, cur); RxFreePool(cur); status = STATUS_UNSUCCESSFUL; goto out_free; } cur->state = NFS41_DONE_PROCESSING; cur->status = tmp->status; cur->errno = tmp->errno; status = STATUS_SUCCESS; if (!tmp->status) { switch (tmp->opcode) { case NFS41_MOUNT: unmarshal_nfs41_mount(cur, &buf); break; case NFS41_WRITE: case NFS41_READ: status = unmarshal_nfs41_rw(cur, &buf); break; case NFS41_OPEN: status = unmarshal_nfs41_open(cur, &buf); break; case NFS41_DIR_QUERY: status = unmarshal_nfs41_dirquery(cur, &buf); break; case NFS41_FILE_QUERY: unmarshal_nfs41_getattr(cur, &buf); break; case NFS41_EA_GET: unmarshal_nfs41_eaget(cur, &buf); break; case NFS41_SYMLINK: unmarshal_nfs41_symlink(cur, &buf); break; case NFS41_VOLUME_QUERY: unmarshal_nfs41_attrget(cur, cur->buf, &cur->buf_len, &buf); break; case NFS41_ACL_QUERY: status = unmarshal_nfs41_getacl(cur, &buf); break; case NFS41_FILE_SET: unmarshal_nfs41_setattr(cur, &cur->ChangeTime, &buf); break; case NFS41_EA_SET: unmarshal_nfs41_setattr(cur, &cur->ChangeTime, &buf); break; case NFS41_ACL_SET: unmarshal_nfs41_setattr(cur, &cur->ChangeTime, &buf); break; } } ExReleaseFastMutex(&cur->lock); if (cur->async_op) { if (cur->status == STATUS_SUCCESS) { cur->u.ReadWrite.rxcontext->StoredStatus = STATUS_SUCCESS; cur->u.ReadWrite.rxcontext->InformationToReturn = cur->buf_len; } else { cur->u.ReadWrite.rxcontext->StoredStatus = map_readwrite_errors(cur->status); cur->u.ReadWrite.rxcontext->InformationToReturn = 0; } nfs41_RemoveEntry(downcallLock, cur); RxLowIoCompletion(cur->u.ReadWrite.rxcontext); RxFreePool(cur); } else KeSetEvent(&cur->cond, 0, FALSE); out_free: RxFreePool(tmp); out: return status; } NTSTATUS nfs41_shutdown_daemon( DWORD version) { NTSTATUS status = STATUS_SUCCESS; nfs41_updowncall_entry *entry = NULL; DbgEn(); status = nfs41_UpcallCreate(NFS41_SHUTDOWN, NULL, INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE, version, NULL, &entry); if (status) goto out; status = nfs41_UpcallWaitForReply(entry, UPCALL_TIMEOUT_DEFAULT); SeDeleteClientSecurity(&entry->sec_ctx); if (status) goto out; RxFreePool(entry); out: DbgEx(); return status; } NTSTATUS SharedMemoryInit( OUT PHANDLE phSection) { NTSTATUS status; HANDLE hSection; UNICODE_STRING SectionName; SECURITY_DESCRIPTOR SecurityDesc; OBJECT_ATTRIBUTES SectionAttrs; LARGE_INTEGER nSectionSize; DbgEn(); RtlInitUnicodeString(&SectionName, NFS41_SHARED_MEMORY_NAME); /* XXX: setting dacl=NULL grants access to everyone */ status = RtlCreateSecurityDescriptor(&SecurityDesc, SECURITY_DESCRIPTOR_REVISION); if (status) { print_error("RtlCreateSecurityDescriptor() failed with %08X\n", status); goto out; } status = RtlSetDaclSecurityDescriptor(&SecurityDesc, TRUE, NULL, FALSE); if (status) { print_error("RtlSetDaclSecurityDescriptor() failed with %08X\n", status); goto out; } InitializeObjectAttributes(&SectionAttrs, &SectionName, 0, NULL, &SecurityDesc); nSectionSize.QuadPart = sizeof(NFS41NP_SHARED_MEMORY); status = ZwCreateSection(&hSection, SECTION_MAP_READ | SECTION_MAP_WRITE, &SectionAttrs, &nSectionSize, PAGE_READWRITE, SEC_COMMIT, NULL); switch (status) { case STATUS_SUCCESS: break; case STATUS_OBJECT_NAME_COLLISION: DbgP("section already created; returning success\n"); status = STATUS_SUCCESS; goto out; default: DbgP("ZwCreateSection failed with %08X\n", status); goto out; } out: DbgEx(); return status; } NTSTATUS SharedMemoryFree( IN HANDLE hSection) { NTSTATUS status; DbgEn(); status = ZwClose(hSection); DbgEx(); return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_Start( #else NTSTATUS nfs41_Start( #endif IN OUT PRX_CONTEXT RxContext, IN OUT PRDBSS_DEVICE_OBJECT dev) { NTSTATUS status; NFS41GetDeviceExtension(RxContext, DevExt); DbgEn(); status = SharedMemoryInit(&DevExt->SharedMemorySection); if (status) { print_error("InitSharedMemory failed with %08X\n", status); status = STATUS_INSUFFICIENT_RESOURCES; goto out; } InterlockedCompareExchange((PLONG)&nfs41_start_state, NFS41_START_DRIVER_STARTED, NFS41_START_DRIVER_START_IN_PROGRESS); out: DbgEx(); return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_Stop( #else NTSTATUS nfs41_Stop( #endif IN OUT PRX_CONTEXT RxContext, IN OUT PRDBSS_DEVICE_OBJECT dev) { NTSTATUS status; NFS41GetDeviceExtension(RxContext, DevExt); DbgEn(); status = SharedMemoryFree(DevExt->SharedMemorySection); DbgEx(); return status; } NTSTATUS GetConnectionHandle( IN PUNICODE_STRING ConnectionName, IN PVOID EaBuffer, IN ULONG EaLength, OUT PHANDLE Handle) { NTSTATUS status; IO_STATUS_BLOCK IoStatusBlock; OBJECT_ATTRIBUTES ObjectAttributes; #ifdef DEBUG_MOUNT DbgEn(); #endif InitializeObjectAttributes(&ObjectAttributes, ConnectionName, OBJ_CASE_INSENSITIVE|OBJ_KERNEL_HANDLE, NULL, NULL); print_error("Len %d Buf %p\n", EaLength, EaBuffer); status = ZwCreateFile(Handle, SYNCHRONIZE, &ObjectAttributes, &IoStatusBlock, NULL, FILE_ATTRIBUTE_NORMAL, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, FILE_OPEN_IF, FILE_CREATE_TREE_CONNECTION | FILE_SYNCHRONOUS_IO_NONALERT, EaBuffer, EaLength); #ifdef DEBUG_MOUNT DbgEx(); #endif return status; } NTSTATUS nfs41_GetConnectionInfoFromBuffer( IN PVOID Buffer, IN ULONG BufferLen, OUT PUNICODE_STRING pConnectionName, OUT PVOID *ppEaBuffer, OUT PULONG pEaLength) { NTSTATUS status = STATUS_SUCCESS; USHORT NameLength, EaPadding; ULONG EaLength, BufferLenExpected; PBYTE ptr; /* make sure buffer is at least big enough for header */ if (BufferLen < sizeof(USHORT) + sizeof(USHORT) + sizeof(ULONG)) { status = STATUS_BAD_NETWORK_NAME; print_error("Invalid input buffer.\n"); pConnectionName->Length = pConnectionName->MaximumLength = 0; *ppEaBuffer = NULL; *pEaLength = 0; goto out; } ptr = Buffer; NameLength = *(PUSHORT)ptr; ptr += sizeof(USHORT); EaPadding = *(PUSHORT)ptr; ptr += sizeof(USHORT); EaLength = *(PULONG)ptr; ptr += sizeof(ULONG); /* validate buffer length */ BufferLenExpected = sizeof(USHORT) + sizeof(USHORT) + sizeof(ULONG) + NameLength + EaPadding + EaLength; if (BufferLen != BufferLenExpected) { status = STATUS_BAD_NETWORK_NAME; print_error("Received buffer of length %lu, but expected %lu bytes.\n", BufferLen, BufferLenExpected); pConnectionName->Length = pConnectionName->MaximumLength = 0; *ppEaBuffer = NULL; *pEaLength = 0; goto out; } pConnectionName->Buffer = (PWCH)ptr; pConnectionName->Length = NameLength - sizeof(WCHAR); pConnectionName->MaximumLength = NameLength; if (EaLength) *ppEaBuffer = ptr + NameLength + EaPadding; else *ppEaBuffer = NULL; *pEaLength = EaLength; out: return status; } NTSTATUS nfs41_CreateConnection( IN PRX_CONTEXT RxContext, OUT PBOOLEAN PostToFsp) { NTSTATUS status = STATUS_SUCCESS; HANDLE Handle = INVALID_HANDLE_VALUE; PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; PVOID Buffer = LowIoContext->ParamsFor.IoCtl.pInputBuffer, EaBuffer; ULONG BufferLen = LowIoContext->ParamsFor.IoCtl.InputBufferLength, EaLength; UNICODE_STRING FileName; BOOLEAN Wait = BooleanFlagOn(RxContext->Flags, RX_CONTEXT_FLAG_WAIT); #ifdef DEBUG_MOUNT DbgEn(); #endif if (!Wait) { //just post right now! DbgP("returning STATUS_PENDING\n"); *PostToFsp = TRUE; status = STATUS_PENDING; goto out; } status = nfs41_GetConnectionInfoFromBuffer(Buffer, BufferLen, &FileName, &EaBuffer, &EaLength); if (status != STATUS_SUCCESS) goto out; status = GetConnectionHandle(&FileName, EaBuffer, EaLength, &Handle); if (!status && Handle != INVALID_HANDLE_VALUE) ZwClose(Handle); out: #ifdef DEBUG_MOUNT DbgEx(); #endif return status; } #ifdef ENABLE_TIMINGS void print_op_stat( const char *op_str, nfs41_timings *time, BOOLEAN clear) { DbgP("%-9s: num_ops=%-10d delta_ticks=%-10d size=%-10d\n", op_str, time->tops, time->tops ? time->ticks/time->tops : 0, time->sops ? time->size/time->sops : 0); if (clear) { time->tops = 0; time->ticks = 0; time->size = 0; time->sops = 0; } } #endif NTSTATUS nfs41_unmount( HANDLE session, DWORD version, DWORD timeout) { NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES; nfs41_updowncall_entry *entry; #ifdef DEBUG_MOUNT DbgEn(); #endif status = nfs41_UpcallCreate(NFS41_UNMOUNT, NULL, session, INVALID_HANDLE_VALUE, version, NULL, &entry); SeDeleteClientSecurity(&entry->sec_ctx); if (status) goto out; nfs41_UpcallWaitForReply(entry, timeout); RxFreePool(entry); out: #ifdef ENABLE_TIMINGS print_op_stat("lookup", &lookup, 1); print_op_stat("open", &open, 1); print_op_stat("close", &close, 1); print_op_stat("volume", &volume, 1); print_op_stat("getattr", &getattr, 1); print_op_stat("setattr", &setattr, 1); print_op_stat("getexattr", &getexattr, 1); print_op_stat("setexattr", &setexattr, 1); print_op_stat("readdir", &readdir, 1); print_op_stat("getacl", &getacl, 1); print_op_stat("setacl", &setacl, 1); print_op_stat("read", &read, 1); print_op_stat("write", &write, 1); print_op_stat("lock", &lock, 1); print_op_stat("unlock", &unlock, 1); #endif #ifdef DEBUG_MOUNT DbgEx(); #endif return status; } NTSTATUS nfs41_DeleteConnection ( IN PRX_CONTEXT RxContext, OUT PBOOLEAN PostToFsp) { NTSTATUS status = STATUS_INVALID_PARAMETER; PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; PWCHAR ConnectName = LowIoContext->ParamsFor.IoCtl.pInputBuffer; ULONG ConnectNameLen = LowIoContext->ParamsFor.IoCtl.InputBufferLength; HANDLE Handle; UNICODE_STRING FileName; PFILE_OBJECT pFileObject; BOOLEAN Wait = BooleanFlagOn(RxContext->Flags, RX_CONTEXT_FLAG_WAIT); #ifdef DEBUG_MOUNT DbgEn(); #endif if (!Wait) { //just post right now! *PostToFsp = TRUE; DbgP("returning STATUS_PENDING\n"); status = STATUS_PENDING; goto out; } FileName.Buffer = ConnectName; FileName.Length = (USHORT) ConnectNameLen - sizeof(WCHAR); FileName.MaximumLength = (USHORT) ConnectNameLen; status = GetConnectionHandle(&FileName, NULL, 0, &Handle); if (status != STATUS_SUCCESS) goto out; status = ObReferenceObjectByHandle(Handle, 0L, NULL, KernelMode, (PVOID *)&pFileObject, NULL); if (NT_SUCCESS(status)) { PV_NET_ROOT VNetRoot; // VNetRoot exists as FOBx in the FsContext2 VNetRoot = (PV_NET_ROOT) pFileObject->FsContext2; // make sure the node looks right if (NodeType(VNetRoot) == RDBSS_NTC_V_NETROOT) { #ifdef DEBUG_MOUNT DbgP("Calling RxFinalizeConnection for NetRoot %p from VNetRoot %p\n", VNetRoot->NetRoot, VNetRoot); #endif status = RxFinalizeConnection(VNetRoot->NetRoot, VNetRoot, TRUE); } else status = STATUS_BAD_NETWORK_NAME; ObDereferenceObject(pFileObject); } ZwClose(Handle); out: #ifdef DEBUG_MOUNT DbgEx(); #endif return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_DevFcbXXXControlFile( #else NTSTATUS nfs41_DevFcbXXXControlFile( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_INVALID_DEVICE_REQUEST; UCHAR op = RxContext->MajorFunction; PLOWIO_CONTEXT io_ctx = &RxContext->LowIoContext; ULONG fsop = io_ctx->ParamsFor.FsCtl.FsControlCode, state; ULONG in_len = io_ctx->ParamsFor.IoCtl.InputBufferLength; DWORD *buf = io_ctx->ParamsFor.IoCtl.pInputBuffer; NFS41GetDeviceExtension(RxContext, DevExt); DWORD nfs41d_version = 0; //DbgEn(); print_ioctl(0, op); switch(op) { case IRP_MJ_FILE_SYSTEM_CONTROL: status = STATUS_INVALID_DEVICE_REQUEST; break; case IRP_MJ_DEVICE_CONTROL: case IRP_MJ_INTERNAL_DEVICE_CONTROL: print_fs_ioctl(0, fsop); switch (fsop) { case IOCTL_NFS41_INVALCACHE: nfs41_invalidate_cache(RxContext); status = STATUS_SUCCESS; break; case IOCTL_NFS41_READ: status = nfs41_upcall(RxContext); break; case IOCTL_NFS41_WRITE: status = nfs41_downcall(RxContext); break; case IOCTL_NFS41_ADDCONN: status = nfs41_CreateConnection(RxContext, &RxContext->PostRequest); break; case IOCTL_NFS41_DELCONN: if (RxContext->RxDeviceObject->NumberOfActiveFcbs > 0) { DbgP("device has open handles %d\n", RxContext->RxDeviceObject->NumberOfActiveFcbs); #ifdef __REACTOS__ if (RxContext->RxDeviceObject->pRxNetNameTable != NULL) { #define DUMP_FCB_TABLE_FROM_NETROOT(N) \ { \ USHORT Bucket2; \ BOOLEAN Release2 = FALSE; \ if (!RxIsFcbTableLockAcquired(&(N)->FcbTable)) \ { \ RxAcquireFcbTableLockExclusive(&(N)->FcbTable, TRUE); \ Release2 = TRUE; \ } \ for (Bucket2 = 0; Bucket2 < (N)->FcbTable.NumberOfBuckets; ++Bucket2) \ { \ PLIST_ENTRY Entry2; \ for (Entry2 = (N)->FcbTable.HashBuckets[Bucket2].Flink; \ Entry2 != &(N)->FcbTable.HashBuckets[Bucket2]; \ Entry2 = Entry2->Flink) \ { \ PFCB Fcb; \ Fcb = CONTAINING_RECORD(Entry2, FCB, FcbTableEntry.HashLinks); \ DbgP("Fcb: %p still has %d references\n", Fcb, Fcb->NodeReferenceCount); \ DbgP("It is for: %wZ\n", &Fcb->FcbTableEntry.Path); \ } \ } \ if (Release2) \ { \ RxReleaseFcbTableLock(&(N)->FcbTable); \ } \ } USHORT Bucket; BOOLEAN Release = FALSE; if (!RxIsPrefixTableLockAcquired(RxContext->RxDeviceObject->pRxNetNameTable)) { RxAcquirePrefixTableLockExclusive(RxContext->RxDeviceObject->pRxNetNameTable, TRUE); Release = TRUE; } for (Bucket = 0; Bucket < RxContext->RxDeviceObject->pRxNetNameTable->TableSize; ++Bucket) { PLIST_ENTRY Entry; for (Entry = RxContext->RxDeviceObject->pRxNetNameTable->HashBuckets[Bucket].Flink; Entry != &RxContext->RxDeviceObject->pRxNetNameTable->HashBuckets[Bucket]; Entry = Entry->Flink) { PVOID Container; Container = CONTAINING_RECORD(Entry, RX_PREFIX_ENTRY, HashLinks)->ContainingRecord; switch (NodeType(Container) & ~RX_SCAVENGER_MASK) { case RDBSS_NTC_NETROOT: { PNET_ROOT NetRoot; NetRoot = Container; DUMP_FCB_TABLE_FROM_NETROOT(NetRoot); break; } case RDBSS_NTC_V_NETROOT: { PV_NET_ROOT VNetRoot; VNetRoot = Container; if (VNetRoot->NetRoot != NULL) { PNET_ROOT NetRoot; NetRoot = VNetRoot->NetRoot; DUMP_FCB_TABLE_FROM_NETROOT(NetRoot); } break; } default: { DbgP("Other node found: %x\n", NodeType(Container)); break; } } } } if (Release) { RxReleasePrefixTableLock(RxContext->RxDeviceObject->pRxNetNameTable); } #undef DUMP_FCB_TABLE_FROM_NETROOT } else { DbgP("RxNetNameTable is NULL for: %p\n", RxContext->RxDeviceObject); } #endif status = STATUS_REDIRECTOR_HAS_OPEN_HANDLES; break; } status = nfs41_DeleteConnection(RxContext, &RxContext->PostRequest); break; case IOCTL_NFS41_GETSTATE: state = RDR_NULL_STATE; if (io_ctx->ParamsFor.IoCtl.OutputBufferLength >= sizeof(ULONG)) { // map the states to control app's equivalents print_driver_state(nfs41_start_state); switch (nfs41_start_state) { case NFS41_START_DRIVER_STARTABLE: case NFS41_START_DRIVER_STOPPED: state = RDR_STOPPED; break; case NFS41_START_DRIVER_START_IN_PROGRESS: state = RDR_STARTING; break; case NFS41_START_DRIVER_STARTED: state = RDR_STARTED; break; } *(ULONG *)io_ctx->ParamsFor.IoCtl.pOutputBuffer = state; RxContext->InformationToReturn = sizeof(ULONG); status = STATUS_SUCCESS; } else status = STATUS_INVALID_PARAMETER; break; case IOCTL_NFS41_START: print_driver_state(nfs41_start_state); if (in_len >= sizeof(DWORD)) { RtlCopyMemory(&nfs41d_version, buf, sizeof(DWORD)); DbgP("NFS41 Daemon sent start request with version %d\n", nfs41d_version); DbgP("Currently used NFS41 Daemon version is %d\n", DevExt->nfs41d_version); DevExt->nfs41d_version = nfs41d_version; } switch(nfs41_start_state) { case NFS41_START_DRIVER_STARTABLE: (nfs41_start_driver_state)InterlockedCompareExchange( (PLONG)&nfs41_start_state, NFS41_START_DRIVER_START_IN_PROGRESS, NFS41_START_DRIVER_STARTABLE); //lack of break is intentional case NFS41_START_DRIVER_START_IN_PROGRESS: status = RxStartMinirdr(RxContext, &RxContext->PostRequest); if (status == STATUS_REDIRECTOR_STARTED) { DbgP("redirector started\n"); status = STATUS_SUCCESS; } else if (status == STATUS_PENDING && RxContext->PostRequest == TRUE) { DbgP("RxStartMinirdr pending %08lx\n", status); status = STATUS_MORE_PROCESSING_REQUIRED; } break; case NFS41_START_DRIVER_STARTED: status = STATUS_SUCCESS; break; default: status = STATUS_INVALID_PARAMETER; } break; case IOCTL_NFS41_STOP: if (nfs41_start_state == NFS41_START_DRIVER_STARTED) nfs41_shutdown_daemon(DevExt->nfs41d_version); if (RxContext->RxDeviceObject->NumberOfActiveFcbs > 0) { DbgP("device has open handles %d\n", RxContext->RxDeviceObject->NumberOfActiveFcbs); status = STATUS_REDIRECTOR_HAS_OPEN_HANDLES; break; } state = (nfs41_start_driver_state)InterlockedCompareExchange( (PLONG)&nfs41_start_state, NFS41_START_DRIVER_STARTABLE, NFS41_START_DRIVER_STARTED); status = RxStopMinirdr(RxContext, &RxContext->PostRequest); DbgP("RxStopMinirdr status %08lx\n", status); if (status == STATUS_PENDING && RxContext->PostRequest == TRUE ) status = STATUS_MORE_PROCESSING_REQUIRED; break; default: status = STATUS_INVALID_DEVICE_REQUEST; }; break; default: status = STATUS_INVALID_DEVICE_REQUEST; }; //DbgEx(); return status; } #ifndef __REACTOS__ NTSTATUS _nfs41_CreateSrvCall( PMRX_SRVCALL_CALLBACK_CONTEXT pCallbackContext) { #else NTSTATUS NTAPI _nfs41_CreateSrvCall( PVOID pContext) { PMRX_SRVCALL_CALLBACK_CONTEXT pCallbackContext = pContext; #endif NTSTATUS status = STATUS_SUCCESS; PMRX_SRVCALL_CALLBACK_CONTEXT SCCBC = pCallbackContext; PMRX_SRV_CALL pSrvCall; PMRX_SRVCALLDOWN_STRUCTURE SrvCalldownStructure = (PMRX_SRVCALLDOWN_STRUCTURE)(SCCBC->SrvCalldownStructure); PNFS41_SERVER_ENTRY pServerEntry = NULL; #ifdef DEBUG_MOUNT DbgEn(); #endif pSrvCall = SrvCalldownStructure->SrvCall; ASSERT( pSrvCall ); ASSERT( NodeType(pSrvCall) == RDBSS_NTC_SRVCALL ); print_srv_call(0, pSrvCall); // validate the server name with the test name of 'pnfs' #ifdef DEBUG_MOUNT DbgP("SrvCall: Connection Name Length: %d %wZ\n", pSrvCall->pSrvCallName->Length, pSrvCall->pSrvCallName); #endif if (pSrvCall->pSrvCallName->Length > SERVER_NAME_BUFFER_SIZE) { print_error("Server name '%wZ' too long for server entry (max %u)\n", pSrvCall->pSrvCallName, SERVER_NAME_BUFFER_SIZE); status = STATUS_NAME_TOO_LONG; goto out; } /* Let's create our own representation of the server */ pServerEntry = (PNFS41_SERVER_ENTRY)RxAllocatePoolWithTag(PagedPool, sizeof(NFS41_SERVER_ENTRY), NFS41_MM_POOLTAG); if (pServerEntry == NULL) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } RtlZeroMemory(pServerEntry, sizeof(NFS41_SERVER_ENTRY)); pServerEntry->Name.Buffer = pServerEntry->NameBuffer; pServerEntry->Name.Length = pSrvCall->pSrvCallName->Length; pServerEntry->Name.MaximumLength = SERVER_NAME_BUFFER_SIZE; RtlCopyMemory(pServerEntry->Name.Buffer, pSrvCall->pSrvCallName->Buffer, pServerEntry->Name.Length); pCallbackContext->RecommunicateContext = pServerEntry; #ifdef __REACTOS__ InterlockedExchangePointer((void * volatile *)&pServerEntry->pRdbssSrvCall, pSrvCall); #else InterlockedExchangePointer(&pServerEntry->pRdbssSrvCall, pSrvCall); #endif out: SCCBC->Status = status; SrvCalldownStructure->CallBack(SCCBC); #ifdef DEBUG_MOUNT DbgEx(); #endif return status; } #ifdef __REACTOS__ VOID NTAPI _nfs41_CreateSrvCall_v( PVOID pCallbackContext) { _nfs41_CreateSrvCall(pCallbackContext); } #endif #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_CreateSrvCall( #else NTSTATUS nfs41_CreateSrvCall( #endif PMRX_SRV_CALL pSrvCall, PMRX_SRVCALL_CALLBACK_CONTEXT pCallbackContext) { NTSTATUS status; ASSERT( pSrvCall ); ASSERT( NodeType(pSrvCall) == RDBSS_NTC_SRVCALL ); if (IoGetCurrentProcess() == RxGetRDBSSProcess()) { DbgP("executing with RDBSS context\n"); status = _nfs41_CreateSrvCall(pCallbackContext); } else { status = RxDispatchToWorkerThread(nfs41_dev, DelayedWorkQueue, #ifdef __REACTOS__ _nfs41_CreateSrvCall_v, pCallbackContext); #else _nfs41_CreateSrvCall, pCallbackContext); #endif if (status != STATUS_SUCCESS) { print_error("RxDispatchToWorkerThread returned status %08lx\n", status); pCallbackContext->Status = status; pCallbackContext->SrvCalldownStructure->CallBack(pCallbackContext); status = STATUS_PENDING; } } /* RDBSS expects MRxCreateSrvCall to return STATUS_PENDING */ if (status == STATUS_SUCCESS) status = STATUS_PENDING; return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_SrvCallWinnerNotify( #else NTSTATUS nfs41_SrvCallWinnerNotify( #endif IN OUT PMRX_SRV_CALL pSrvCall, IN BOOLEAN ThisMinirdrIsTheWinner, IN OUT PVOID pSrvCallContext) { NTSTATUS status = STATUS_SUCCESS; PNFS41_SERVER_ENTRY pServerEntry; pServerEntry = (PNFS41_SERVER_ENTRY)pSrvCallContext; if (!ThisMinirdrIsTheWinner) { ASSERT(1); goto out; } pSrvCall->Context = pServerEntry; out: return status; } NTSTATUS map_mount_errors( DWORD status) { switch (status) { case NO_ERROR: return STATUS_SUCCESS; case ERROR_NETWORK_UNREACHABLE: return STATUS_NETWORK_UNREACHABLE; case ERROR_BAD_NET_RESP: return STATUS_UNEXPECTED_NETWORK_ERROR; case ERROR_BAD_NET_NAME: return STATUS_BAD_NETWORK_NAME; case ERROR_BAD_NETPATH: return STATUS_BAD_NETWORK_PATH; default: print_error("failed to map windows error %d to NTSTATUS; " "defaulting to STATUS_INSUFFICIENT_RESOURCES\n", status); return STATUS_INSUFFICIENT_RESOURCES; } } NTSTATUS nfs41_mount( PNFS41_MOUNT_CONFIG config, DWORD sec_flavor, PHANDLE session, DWORD *version, PFILE_FS_ATTRIBUTE_INFORMATION FsAttrs) { NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES; nfs41_updowncall_entry *entry; #ifdef DEBUG_MOUNT DbgEn(); DbgP("Server Name %wZ Mount Point %wZ SecFlavor %d\n", &config->SrvName, &config->MntPt, sec_flavor); #endif status = nfs41_UpcallCreate(NFS41_MOUNT, NULL, *session, INVALID_HANDLE_VALUE, *version, &config->MntPt, &entry); if (status) goto out; entry->u.Mount.srv_name = &config->SrvName; entry->u.Mount.root = &config->MntPt; entry->u.Mount.rsize = config->ReadSize; entry->u.Mount.wsize = config->WriteSize; entry->u.Mount.sec_flavor = sec_flavor; entry->u.Mount.FsAttrs = FsAttrs; status = nfs41_UpcallWaitForReply(entry, config->timeout); SeDeleteClientSecurity(&entry->sec_ctx); if (status) goto out; *session = entry->session; if (entry->u.Mount.lease_time > config->timeout) config->timeout = entry->u.Mount.lease_time; /* map windows ERRORs to NTSTATUS */ status = map_mount_errors(entry->status); if (status == STATUS_SUCCESS) *version = entry->version; RxFreePool(entry); out: #ifdef DEBUG_MOUNT DbgEx(); #endif return status; } /* TODO: move mount config stuff to another file -cbodley */ void nfs41_MountConfig_InitDefaults( OUT PNFS41_MOUNT_CONFIG Config) { RtlZeroMemory(Config, sizeof(NFS41_MOUNT_CONFIG)); Config->ReadSize = MOUNT_CONFIG_RW_SIZE_DEFAULT; Config->WriteSize = MOUNT_CONFIG_RW_SIZE_DEFAULT; Config->ReadOnly = FALSE; Config->write_thru = FALSE; Config->nocache = FALSE; Config->SrvName.Length = 0; Config->SrvName.MaximumLength = SERVER_NAME_BUFFER_SIZE; Config->SrvName.Buffer = Config->srv_buffer; Config->MntPt.Length = 0; Config->MntPt.MaximumLength = MAX_PATH; Config->MntPt.Buffer = Config->mntpt_buffer; Config->SecFlavor.Length = 0; Config->SecFlavor.MaximumLength = MAX_SEC_FLAVOR_LEN; Config->SecFlavor.Buffer = Config->sec_flavor; RtlCopyUnicodeString(&Config->SecFlavor, &AUTH_SYS_NAME); Config->timeout = UPCALL_TIMEOUT_DEFAULT; } NTSTATUS nfs41_MountConfig_ParseBoolean( IN PFILE_FULL_EA_INFORMATION Option, IN PUNICODE_STRING usValue, OUT PBOOLEAN Value) { NTSTATUS status = STATUS_SUCCESS; /* if no value is specified, assume TRUE * if a value is specified, it must be a '1' */ if (Option->EaValueLength == 0 || *usValue->Buffer == L'1') *Value = TRUE; else *Value = FALSE; DbgP(" '%ls' -> '%wZ' -> %u\n", (LPWSTR)Option->EaName, usValue, *Value); return status; } NTSTATUS nfs41_MountConfig_ParseDword( IN PFILE_FULL_EA_INFORMATION Option, IN PUNICODE_STRING usValue, OUT PDWORD Value, IN DWORD Minimum, IN DWORD Maximum) { NTSTATUS status = STATUS_INVALID_PARAMETER; LPWSTR Name = (LPWSTR)Option->EaName; if (Option->EaValueLength) { status = RtlUnicodeStringToInteger(usValue, 0, Value); if (status == STATUS_SUCCESS) { #ifdef IMPOSE_MINMAX_RWSIZES if (*Value < Minimum) *Value = Minimum; if (*Value > Maximum) *Value = Maximum; DbgP(" '%ls' -> '%wZ' -> %lu\n", Name, usValue, *Value); #endif } else print_error("Failed to convert %s='%wZ' to unsigned long.\n", Name, usValue); } return status; } NTSTATUS nfs41_MountConfig_ParseOptions( IN PFILE_FULL_EA_INFORMATION EaBuffer, IN ULONG EaLength, IN OUT PNFS41_MOUNT_CONFIG Config) { NTSTATUS status = STATUS_SUCCESS; PFILE_FULL_EA_INFORMATION Option; LPWSTR Name; size_t NameLen; UNICODE_STRING usValue; Option = EaBuffer; while (status == STATUS_SUCCESS) { Name = (LPWSTR)Option->EaName; NameLen = Option->EaNameLength/sizeof(WCHAR); usValue.Length = usValue.MaximumLength = Option->EaValueLength; usValue.Buffer = (PWCH)(Option->EaName + Option->EaNameLength + sizeof(WCHAR)); if (wcsncmp(L"ro", Name, NameLen) == 0) { status = nfs41_MountConfig_ParseBoolean(Option, &usValue, &Config->ReadOnly); } else if (wcsncmp(L"writethru", Name, NameLen) == 0) { status = nfs41_MountConfig_ParseBoolean(Option, &usValue, &Config->write_thru); } else if (wcsncmp(L"nocache", Name, NameLen) == 0) { status = nfs41_MountConfig_ParseBoolean(Option, &usValue, &Config->nocache); } else if (wcsncmp(L"timeout", Name, NameLen) == 0) { status = nfs41_MountConfig_ParseDword(Option, &usValue, &Config->timeout, UPCALL_TIMEOUT_DEFAULT, UPCALL_TIMEOUT_DEFAULT); } else if (wcsncmp(L"rsize", Name, NameLen) == 0) { status = nfs41_MountConfig_ParseDword(Option, &usValue, &Config->ReadSize, MOUNT_CONFIG_RW_SIZE_MIN, MOUNT_CONFIG_RW_SIZE_MAX); } else if (wcsncmp(L"wsize", Name, NameLen) == 0) { status = nfs41_MountConfig_ParseDword(Option, &usValue, &Config->WriteSize, MOUNT_CONFIG_RW_SIZE_MIN, MOUNT_CONFIG_RW_SIZE_MAX); } else if (wcsncmp(L"srvname", Name, NameLen) == 0) { if (usValue.Length > Config->SrvName.MaximumLength) status = STATUS_NAME_TOO_LONG; else RtlCopyUnicodeString(&Config->SrvName, &usValue); } else if (wcsncmp(L"mntpt", Name, NameLen) == 0) { if (usValue.Length > Config->MntPt.MaximumLength) status = STATUS_NAME_TOO_LONG; else RtlCopyUnicodeString(&Config->MntPt, &usValue); } else if (wcsncmp(L"sec", Name, NameLen) == 0) { if (usValue.Length > Config->SecFlavor.MaximumLength) status = STATUS_NAME_TOO_LONG; else RtlCopyUnicodeString(&Config->SecFlavor, &usValue); } else { status = STATUS_INVALID_PARAMETER; print_error("Unrecognized option '%ls' -> '%wZ'\n", Name, usValue); } if (Option->NextEntryOffset == 0) break; Option = (PFILE_FULL_EA_INFORMATION) ((PBYTE)Option + Option->NextEntryOffset); } return status; } NTSTATUS has_nfs_prefix( IN PUNICODE_STRING SrvCallName, IN PUNICODE_STRING NetRootName) { NTSTATUS status = STATUS_BAD_NETWORK_NAME; if (NetRootName->Length == SrvCallName->Length + NfsPrefix.Length) { const UNICODE_STRING NetRootPrefix = { NfsPrefix.Length, NetRootName->MaximumLength - SrvCallName->Length, &NetRootName->Buffer[SrvCallName->Length/2] }; if (RtlCompareUnicodeString(&NetRootPrefix, &NfsPrefix, FALSE) == 0) status = STATUS_SUCCESS; } return status; } NTSTATUS map_sec_flavor( IN PUNICODE_STRING sec_flavor_name, OUT PDWORD sec_flavor) { if (RtlCompareUnicodeString(sec_flavor_name, &AUTH_SYS_NAME, FALSE) == 0) *sec_flavor = RPCSEC_AUTH_SYS; else if (RtlCompareUnicodeString(sec_flavor_name, &AUTHGSS_KRB5_NAME, FALSE) == 0) *sec_flavor = RPCSEC_AUTHGSS_KRB5; else if (RtlCompareUnicodeString(sec_flavor_name, &AUTHGSS_KRB5I_NAME, FALSE) == 0) *sec_flavor = RPCSEC_AUTHGSS_KRB5I; else if (RtlCompareUnicodeString(sec_flavor_name, &AUTHGSS_KRB5P_NAME, FALSE) == 0) *sec_flavor = RPCSEC_AUTHGSS_KRB5P; else return STATUS_INVALID_PARAMETER; return STATUS_SUCCESS; } NTSTATUS nfs41_GetLUID( PLUID id) { NTSTATUS status = STATUS_SUCCESS; SECURITY_SUBJECT_CONTEXT sec_ctx; SECURITY_QUALITY_OF_SERVICE sec_qos; SECURITY_CLIENT_CONTEXT clnt_sec_ctx; SeCaptureSubjectContext(&sec_ctx); sec_qos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING; sec_qos.ImpersonationLevel = SecurityIdentification; sec_qos.Length = sizeof(SECURITY_QUALITY_OF_SERVICE); sec_qos.EffectiveOnly = 0; status = SeCreateClientSecurityFromSubjectContext(&sec_ctx, &sec_qos, 1, &clnt_sec_ctx); if (status) { print_error("nfs41_GetLUID: SeCreateClientSecurityFromSubjectContext " "failed %x\n", status); goto release_sec_ctx; } status = SeQueryAuthenticationIdToken(clnt_sec_ctx.ClientToken, id); if (status) { print_error("SeQueryAuthenticationIdToken failed %x\n", status); goto release_clnt_sec_ctx; } release_clnt_sec_ctx: SeDeleteClientSecurity(&clnt_sec_ctx); release_sec_ctx: SeReleaseSubjectContext(&sec_ctx); return status; } NTSTATUS nfs41_get_sec_ctx( IN enum _SECURITY_IMPERSONATION_LEVEL level, OUT PSECURITY_CLIENT_CONTEXT out_ctx) { NTSTATUS status; SECURITY_SUBJECT_CONTEXT ctx; SECURITY_QUALITY_OF_SERVICE sec_qos; SeCaptureSubjectContext(&ctx); sec_qos.ContextTrackingMode = SECURITY_STATIC_TRACKING; sec_qos.ImpersonationLevel = level; sec_qos.Length = sizeof(SECURITY_QUALITY_OF_SERVICE); sec_qos.EffectiveOnly = 0; status = SeCreateClientSecurityFromSubjectContext(&ctx, &sec_qos, 1, out_ctx); if (status != STATUS_SUCCESS) { print_error("SeCreateClientSecurityFromSubjectContext " "failed with %x\n", status); } #ifdef DEBUG_MOUNT DbgP("Created client security token %p\n", out_ctx->ClientToken); #endif SeReleaseSubjectContext(&ctx); return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_CreateVNetRoot( #else NTSTATUS nfs41_CreateVNetRoot( #endif IN OUT PMRX_CREATENETROOT_CONTEXT pCreateNetRootContext) { NTSTATUS status = STATUS_SUCCESS; NFS41_MOUNT_CONFIG *Config; __notnull PMRX_V_NET_ROOT pVNetRoot = (PMRX_V_NET_ROOT) pCreateNetRootContext->pVNetRoot; __notnull PMRX_NET_ROOT pNetRoot = pVNetRoot->pNetRoot; __notnull PMRX_SRV_CALL pSrvCall = pNetRoot->pSrvCall; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(pNetRoot); NFS41GetDeviceExtension(pCreateNetRootContext->RxContext,DevExt); DWORD nfs41d_version = DevExt->nfs41d_version; nfs41_mount_entry *existing_mount = NULL; LUID luid; BOOLEAN found_existing_mount = FALSE, found_matching_flavor = FALSE; ASSERT((NodeType(pNetRoot) == RDBSS_NTC_NETROOT) && (NodeType(pNetRoot->pSrvCall) == RDBSS_NTC_SRVCALL)); #ifdef DEBUG_MOUNT DbgEn(); print_srv_call(0, pSrvCall); print_net_root(0, pNetRoot); print_v_net_root(0, pVNetRoot); DbgP("pVNetRoot=%p pNetRoot=%p pSrvCall=%p\n", pVNetRoot, pNetRoot, pSrvCall); DbgP("pNetRoot=%wZ Type=%d pSrvCallName=%wZ VirtualNetRootStatus=0x%x " "NetRootStatus=0x%x\n", pNetRoot->pNetRootName, pNetRoot->Type, pSrvCall->pSrvCallName, pCreateNetRootContext->VirtualNetRootStatus, pCreateNetRootContext->NetRootStatus); #endif if (pNetRoot->Type != NET_ROOT_DISK && pNetRoot->Type != NET_ROOT_WILD) { print_error("nfs41_CreateVNetRoot: Unsupported NetRoot Type %u\n", pNetRoot->Type); status = STATUS_NOT_SUPPORTED; goto out; } pVNetRootContext->session = INVALID_HANDLE_VALUE; /* In order to cooperate with other network providers, we must * only claim paths of the form '\\server\nfs4\path' */ status = has_nfs_prefix(pSrvCall->pSrvCallName, pNetRoot->pNetRootName); if (status) { print_error("nfs41_CreateVNetRoot: NetRootName %wZ doesn't match " "'\\nfs4'!\n", pNetRoot->pNetRootName); goto out; } pNetRoot->MRxNetRootState = MRX_NET_ROOT_STATE_GOOD; pNetRoot->DeviceType = FILE_DEVICE_DISK; Config = RxAllocatePoolWithTag(NonPagedPool, sizeof(NFS41_MOUNT_CONFIG), NFS41_MM_POOLTAG); if (Config == NULL) { status = STATUS_INSUFFICIENT_RESOURCES; goto out; } nfs41_MountConfig_InitDefaults(Config); if (pCreateNetRootContext->RxContext->Create.EaLength) { /* parse the extended attributes for mount options */ status = nfs41_MountConfig_ParseOptions( pCreateNetRootContext->RxContext->Create.EaBuffer, pCreateNetRootContext->RxContext->Create.EaLength, Config); if (status != STATUS_SUCCESS) goto out_free; pVNetRootContext->read_only = Config->ReadOnly; pVNetRootContext->write_thru = Config->write_thru; pVNetRootContext->nocache = Config->nocache; } else { /* use the SRV_CALL name (without leading \) as the hostname */ Config->SrvName.Buffer = pSrvCall->pSrvCallName->Buffer + 1; Config->SrvName.Length = pSrvCall->pSrvCallName->Length - sizeof(WCHAR); Config->SrvName.MaximumLength = pSrvCall->pSrvCallName->MaximumLength - sizeof(WCHAR); } pVNetRootContext->MountPathLen = Config->MntPt.Length; pVNetRootContext->timeout = Config->timeout; status = map_sec_flavor(&Config->SecFlavor, &pVNetRootContext->sec_flavor); if (status != STATUS_SUCCESS) { DbgP("Invalid rpcsec security flavor %wZ\n", &Config->SecFlavor); goto out_free; } status = nfs41_GetLUID(&luid); if (status) goto out_free; if (!pNetRootContext->mounts_init) { #ifdef DEBUG_MOUNT DbgP("Initializing mount array\n"); #endif ExInitializeFastMutex(&pNetRootContext->mountLock); InitializeListHead(&pNetRootContext->mounts.head); pNetRootContext->mounts_init = TRUE; } else { PLIST_ENTRY pEntry; ExAcquireFastMutex(&pNetRootContext->mountLock); pEntry = &pNetRootContext->mounts.head; pEntry = pEntry->Flink; while (pEntry != NULL) { existing_mount = (nfs41_mount_entry *)CONTAINING_RECORD(pEntry, nfs41_mount_entry, next); #ifdef DEBUG_MOUNT DbgP("comparing %x.%x with %x.%x\n", luid.HighPart, luid.LowPart, existing_mount->login_id.HighPart, existing_mount->login_id.LowPart); #endif if (RtlEqualLuid(&luid, &existing_mount->login_id)) { #ifdef DEBUG_MOUNT DbgP("Found a matching LUID entry\n"); #endif found_existing_mount = TRUE; switch(pVNetRootContext->sec_flavor) { case RPCSEC_AUTH_SYS: if (existing_mount->authsys_session != INVALID_HANDLE_VALUE) pVNetRootContext->session = existing_mount->authsys_session; break; case RPCSEC_AUTHGSS_KRB5: if (existing_mount->gssi_session != INVALID_HANDLE_VALUE) pVNetRootContext->session = existing_mount->gss_session; break; case RPCSEC_AUTHGSS_KRB5I: if (existing_mount->gss_session != INVALID_HANDLE_VALUE) pVNetRootContext->session = existing_mount->gssi_session; break; case RPCSEC_AUTHGSS_KRB5P: if (existing_mount->gssp_session != INVALID_HANDLE_VALUE) pVNetRootContext->session = existing_mount->gssp_session; break; } if (pVNetRootContext->session && pVNetRootContext->session != INVALID_HANDLE_VALUE) found_matching_flavor = 1; break; } if (pEntry->Flink == &pNetRootContext->mounts.head) break; pEntry = pEntry->Flink; } ExReleaseFastMutex(&pNetRootContext->mountLock); #ifdef DEBUG_MOUNT if (!found_matching_flavor) DbgP("Didn't find matching security flavor\n"); #endif } /* send the mount upcall */ status = nfs41_mount(Config, pVNetRootContext->sec_flavor, &pVNetRootContext->session, &nfs41d_version, &pVNetRootContext->FsAttrs); if (status != STATUS_SUCCESS) { BOOLEAN MountsEmpty; nfs41_IsListEmpty(pNetRootContext->mountLock, pNetRootContext->mounts, MountsEmpty); if (!found_existing_mount && MountsEmpty) pNetRootContext->mounts_init = FALSE; pVNetRootContext->session = INVALID_HANDLE_VALUE; goto out_free; } pVNetRootContext->timeout = Config->timeout; if (!found_existing_mount) { /* create a new mount entry and add it to the list */ nfs41_mount_entry *entry; entry = RxAllocatePoolWithTag(NonPagedPool, sizeof(nfs41_mount_entry), NFS41_MM_POOLTAG_MOUNT); if (entry == NULL) { status = STATUS_INSUFFICIENT_RESOURCES; goto out_free; } entry->authsys_session = entry->gss_session = entry->gssi_session = entry->gssp_session = INVALID_HANDLE_VALUE; switch (pVNetRootContext->sec_flavor) { case RPCSEC_AUTH_SYS: entry->authsys_session = pVNetRootContext->session; break; case RPCSEC_AUTHGSS_KRB5: entry->gss_session = pVNetRootContext->session; break; case RPCSEC_AUTHGSS_KRB5I: entry->gssi_session = pVNetRootContext->session; break; case RPCSEC_AUTHGSS_KRB5P: entry->gssp_session = pVNetRootContext->session; break; } RtlCopyLuid(&entry->login_id, &luid); nfs41_AddEntry(pNetRootContext->mountLock, pNetRootContext->mounts, entry); } else if (!found_matching_flavor) { ASSERT(existing_mount != NULL); /* modify existing mount entry */ #ifdef DEBUG_MOUNT DbgP("Using existing %d flavor session 0x%x\n", pVNetRootContext->sec_flavor); #endif switch (pVNetRootContext->sec_flavor) { case RPCSEC_AUTH_SYS: existing_mount->authsys_session = pVNetRootContext->session; break; case RPCSEC_AUTHGSS_KRB5: existing_mount->gss_session = pVNetRootContext->session; break; case RPCSEC_AUTHGSS_KRB5I: existing_mount->gssi_session = pVNetRootContext->session; break; case RPCSEC_AUTHGSS_KRB5P: existing_mount->gssp_session = pVNetRootContext->session; break; } } pNetRootContext->nfs41d_version = nfs41d_version; #ifdef DEBUG_MOUNT DbgP("Saving new session 0x%x\n", pVNetRootContext->session); #endif #ifdef STORE_MOUNT_SEC_CONTEXT status = nfs41_get_sec_ctx(SecurityImpersonation, &pVNetRootContext->mount_sec_ctx); #endif out_free: RxFreePool(Config); out: pCreateNetRootContext->VirtualNetRootStatus = status; if (pNetRoot->Context == NULL) pCreateNetRootContext->NetRootStatus = status; pCreateNetRootContext->Callback(pCreateNetRootContext); /* RDBSS expects that MRxCreateVNetRoot returns STATUS_PENDING * on success or failure */ status = STATUS_PENDING; #ifdef DEBUG_MOUNT DbgEx(); #endif return status; } #ifdef __REACTOS__ VOID NTAPI nfs41_ExtractNetRootName( #else VOID nfs41_ExtractNetRootName( #endif IN PUNICODE_STRING FilePathName, IN PMRX_SRV_CALL SrvCall, OUT PUNICODE_STRING NetRootName, OUT PUNICODE_STRING RestOfName OPTIONAL) { ULONG length = FilePathName->Length; PWCH w = FilePathName->Buffer; PWCH wlimit = (PWCH)(((PCHAR)w)+length); PWCH wlow; w += (SrvCall->pSrvCallName->Length/sizeof(WCHAR)); NetRootName->Buffer = wlow = w; /* parse the entire path into NetRootName */ #if USE_ENTIRE_PATH w = wlimit; #else for (;;) { if (w >= wlimit) break; if ((*w == OBJ_NAME_PATH_SEPARATOR) && (w != wlow)) break; w++; } #endif NetRootName->Length = NetRootName->MaximumLength = (USHORT)((PCHAR)w - (PCHAR)wlow); #ifdef DEBUG_MOUNT DbgP("In: pSrvCall %p PathName=%wZ SrvCallName=%wZ Out: NetRootName=%wZ\n", SrvCall, FilePathName, SrvCall->pSrvCallName, NetRootName); #endif return; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_FinalizeSrvCall( #else NTSTATUS nfs41_FinalizeSrvCall( #endif PMRX_SRV_CALL pSrvCall, BOOLEAN Force) { NTSTATUS status = STATUS_SUCCESS; PNFS41_SERVER_ENTRY pServerEntry = (PNFS41_SERVER_ENTRY)(pSrvCall->Context); #ifdef DEBUG_MOUNT DbgEn(); #endif print_srv_call(0, pSrvCall); if (pSrvCall->Context == NULL) goto out; #ifndef __REACTOS__ InterlockedCompareExchangePointer(&pServerEntry->pRdbssSrvCall, NULL, pSrvCall); #else InterlockedCompareExchangePointer((void * volatile *)&pServerEntry->pRdbssSrvCall, NULL, pSrvCall); #endif RxFreePool(pServerEntry); pSrvCall->Context = NULL; out: #ifdef DEBUG_MOUNT DbgEx(); #endif return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_FinalizeNetRoot( #else NTSTATUS nfs41_FinalizeNetRoot( #endif IN OUT PMRX_NET_ROOT pNetRoot, IN PBOOLEAN ForceDisconnect) { NTSTATUS status = STATUS_SUCCESS; PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension((PMRX_NET_ROOT)pNetRoot); nfs41_updowncall_entry *tmp; nfs41_mount_entry *mount_tmp; #ifdef DEBUG_MOUNT DbgEn(); print_net_root(1, pNetRoot); #endif if (pNetRoot->Type != NET_ROOT_DISK && pNetRoot->Type != NET_ROOT_WILD) { status = STATUS_NOT_SUPPORTED; goto out; } if (pNetRootContext == NULL || !pNetRootContext->mounts_init) { print_error("nfs41_FinalizeNetRoot: No valid session established\n"); goto out; } if (pNetRoot->NumberOfFcbs > 0 || pNetRoot->NumberOfSrvOpens > 0) { print_error("%d open Fcbs %d open SrvOpens\n", pNetRoot->NumberOfFcbs, pNetRoot->NumberOfSrvOpens); goto out; } do { nfs41_GetFirstMountEntry(pNetRootContext->mountLock, pNetRootContext->mounts, mount_tmp); if (mount_tmp == NULL) break; #ifdef DEBUG_MOUNT DbgP("Removing entry luid %x.%x from mount list\n", mount_tmp->login_id.HighPart, mount_tmp->login_id.LowPart); #endif if (mount_tmp->authsys_session != INVALID_HANDLE_VALUE) { status = nfs41_unmount(mount_tmp->authsys_session, pNetRootContext->nfs41d_version, UPCALL_TIMEOUT_DEFAULT); if (status) print_error("nfs41_unmount AUTH_SYS failed with %d\n", status); } if (mount_tmp->gss_session != INVALID_HANDLE_VALUE) { status = nfs41_unmount(mount_tmp->gss_session, pNetRootContext->nfs41d_version, UPCALL_TIMEOUT_DEFAULT); if (status) print_error("nfs41_unmount RPCSEC_GSS_KRB5 failed with %d\n", status); } if (mount_tmp->gssi_session != INVALID_HANDLE_VALUE) { status = nfs41_unmount(mount_tmp->gssi_session, pNetRootContext->nfs41d_version, UPCALL_TIMEOUT_DEFAULT); if (status) print_error("nfs41_unmount RPCSEC_GSS_KRB5I failed with %d\n", status); } if (mount_tmp->gssp_session != INVALID_HANDLE_VALUE) { status = nfs41_unmount(mount_tmp->gssp_session, pNetRootContext->nfs41d_version, UPCALL_TIMEOUT_DEFAULT); if (status) print_error("nfs41_unmount RPCSEC_GSS_KRB5P failed with %d\n", status); } nfs41_RemoveEntry(pNetRootContext->mountLock, mount_tmp); RxFreePool(mount_tmp); } while (1); /* ignore any errors from unmount */ status = STATUS_SUCCESS; // check if there is anything waiting in the upcall or downcall queue do { nfs41_GetFirstEntry(upcallLock, upcall, tmp); if (tmp != NULL) { DbgP("Removing entry from upcall list\n"); nfs41_RemoveEntry(upcallLock, tmp); tmp->status = STATUS_INSUFFICIENT_RESOURCES; KeSetEvent(&tmp->cond, 0, FALSE); } else break; } while (1); do { nfs41_GetFirstEntry(downcallLock, downcall, tmp); if (tmp != NULL) { DbgP("Removing entry from downcall list\n"); nfs41_RemoveEntry(downcallLock, tmp); tmp->status = STATUS_INSUFFICIENT_RESOURCES; KeSetEvent(&tmp->cond, 0, FALSE); } else break; } while (1); out: #ifdef DEBUG_MOUNT DbgEx(); #endif return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_FinalizeVNetRoot( #else NTSTATUS nfs41_FinalizeVNetRoot( #endif IN OUT PMRX_V_NET_ROOT pVNetRoot, IN PBOOLEAN ForceDisconnect) { NTSTATUS status = STATUS_SUCCESS; PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(pVNetRoot); #ifdef DEBUG_MOUNT DbgEn(); print_v_net_root(1, pVNetRoot); #endif if (pVNetRoot->pNetRoot->Type != NET_ROOT_DISK && pVNetRoot->pNetRoot->Type != NET_ROOT_WILD) status = STATUS_NOT_SUPPORTED; #ifdef STORE_MOUNT_SEC_CONTEXT else if (pVNetRootContext->session != INVALID_HANDLE_VALUE) { #ifdef DEBUG_MOUNT DbgP("nfs41_FinalizeVNetRoot: deleting security context: %p\n", pVNetRootContext->mount_sec_ctx.ClientToken); #endif SeDeleteClientSecurity(&pVNetRootContext->mount_sec_ctx); } #endif #ifdef DEBUG_MOUNT DbgEx(); #endif return status; } BOOLEAN isDataAccess( ACCESS_MASK mask) { if (mask & (FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA)) return TRUE; return FALSE; } BOOLEAN isOpen2Create( ULONG disposition) { if (disposition == FILE_CREATE || disposition == FILE_OPEN_IF || disposition == FILE_OVERWRITE_IF || disposition == FILE_SUPERSEDE) return TRUE; return FALSE; } BOOLEAN isFilenameTooLong( PUNICODE_STRING name, PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext) { PFILE_FS_ATTRIBUTE_INFORMATION attrs = &pVNetRootContext->FsAttrs; LONG len = attrs->MaximumComponentNameLength, count = 1, i; PWCH p = name->Buffer; for (i = 0; i < name->Length / 2; i++) { if (p[0] == L'\\') count = 1; else { if (p[0] == L'\0') return FALSE; if (count > len) return TRUE; count++; } p++; } return FALSE; } BOOLEAN isStream( PUNICODE_STRING name) { LONG i; PWCH p = name->Buffer; for (i = 0; i < name->Length / 2; i++) { if (p[0] == L':') return TRUE; else if (p[0] == L'\0') return FALSE; p++; } return FALSE; } BOOLEAN areOpenParamsValid(NT_CREATE_PARAMETERS *params) { /* from ms-fsa page 52 */ if ((params->CreateOptions & FILE_DELETE_ON_CLOSE) && !(params->DesiredAccess & DELETE)) return FALSE; if ((params->CreateOptions & FILE_DIRECTORY_FILE) && (params->Disposition == FILE_SUPERSEDE || params->Disposition == FILE_OVERWRITE || params->Disposition == FILE_OVERWRITE_IF)) return FALSE; if ((params->CreateOptions & FILE_NO_INTERMEDIATE_BUFFERING) && (params->DesiredAccess & FILE_APPEND_DATA) && !(params->DesiredAccess & FILE_WRITE_DATA)) return FALSE; /* from ms-fsa 3.1.5.1.1 page 56 */ if ((params->CreateOptions & FILE_DIRECTORY_FILE) && (params->FileAttributes & FILE_ATTRIBUTE_TEMPORARY)) return FALSE; return TRUE; } NTSTATUS map_open_errors( DWORD status, USHORT len) { switch (status) { case NO_ERROR: return STATUS_SUCCESS; case ERROR_ACCESS_DENIED: if (len > 0) return STATUS_ACCESS_DENIED; else return STATUS_SUCCESS; case ERROR_INVALID_REPARSE_DATA: case ERROR_INVALID_NAME: return STATUS_OBJECT_NAME_INVALID; case ERROR_FILE_EXISTS: return STATUS_OBJECT_NAME_COLLISION; case ERROR_FILE_INVALID: return STATUS_FILE_INVALID; case ERROR_FILE_NOT_FOUND: return STATUS_OBJECT_NAME_NOT_FOUND; case ERROR_FILENAME_EXCED_RANGE: return STATUS_NAME_TOO_LONG; case ERROR_NETWORK_ACCESS_DENIED: return STATUS_NETWORK_ACCESS_DENIED; case ERROR_PATH_NOT_FOUND: return STATUS_OBJECT_PATH_NOT_FOUND; case ERROR_BAD_NETPATH: return STATUS_BAD_NETWORK_PATH; case ERROR_SHARING_VIOLATION: return STATUS_SHARING_VIOLATION; case ERROR_REPARSE: return STATUS_REPARSE; case ERROR_TOO_MANY_LINKS: return STATUS_TOO_MANY_LINKS; case ERROR_DIRECTORY: return STATUS_FILE_IS_A_DIRECTORY; case ERROR_BAD_FILE_TYPE: return STATUS_NOT_A_DIRECTORY; default: print_error("[ERROR] nfs41_Create: upcall returned %d returning " "STATUS_INSUFFICIENT_RESOURCES\n", status); case ERROR_OUTOFMEMORY: return STATUS_INSUFFICIENT_RESOURCES; } } DWORD map_disposition_to_create_retval( DWORD disposition, DWORD errno) { switch(disposition) { case FILE_SUPERSEDE: if (errno == ERROR_FILE_NOT_FOUND) return FILE_CREATED; else return FILE_SUPERSEDED; case FILE_CREATE: return FILE_CREATED; case FILE_OPEN: return FILE_OPENED; case FILE_OPEN_IF: if (errno == ERROR_FILE_NOT_FOUND) return FILE_CREATED; else return FILE_OPENED; case FILE_OVERWRITE: return FILE_OVERWRITTEN; case FILE_OVERWRITE_IF: if (errno == ERROR_FILE_NOT_FOUND) return FILE_CREATED; else return FILE_OVERWRITTEN; default: print_error("unknown disposition %d\n", disposition); return FILE_OPENED; } } static BOOLEAN create_should_pass_ea( IN PFILE_FULL_EA_INFORMATION ea, IN ULONG disposition) { /* don't pass cygwin EAs */ if (AnsiStrEq(&NfsV3Attributes, ea->EaName, ea->EaNameLength) || AnsiStrEq(&NfsActOnLink, ea->EaName, ea->EaNameLength) || AnsiStrEq(&NfsSymlinkTargetName, ea->EaName, ea->EaNameLength)) return FALSE; /* only set EAs on file creation */ return disposition == FILE_SUPERSEDE || disposition == FILE_CREATE || disposition == FILE_OPEN_IF || disposition == FILE_OVERWRITE || disposition == FILE_OVERWRITE_IF; } NTSTATUS check_nfs41_create_args( IN PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_SUCCESS; PNT_CREATE_PARAMETERS params = &RxContext->Create.NtCreateParameters; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PFILE_FS_ATTRIBUTE_INFORMATION FsAttrs = &pVNetRootContext->FsAttrs; __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PMRX_FCB Fcb = RxContext->pFcb; __notnull PNFS41_FCB nfs41_fcb = (PNFS41_FCB)Fcb->Context; PFILE_FULL_EA_INFORMATION ea = (PFILE_FULL_EA_INFORMATION) RxContext->CurrentIrp->AssociatedIrp.SystemBuffer; if (Fcb->pNetRoot->Type != NET_ROOT_DISK && Fcb->pNetRoot->Type != NET_ROOT_WILD) { print_error("nfs41_Create: Unsupported NetRoot Type %u\n", Fcb->pNetRoot->Type); status = STATUS_NOT_SUPPORTED; goto out; } if (FlagOn(Fcb->FcbState, FCB_STATE_PAGING_FILE )) { print_error("FCB_STATE_PAGING_FILE not implemented\n"); status = STATUS_NOT_IMPLEMENTED; goto out; } if (!pNetRootContext->mounts_init) { print_error("nfs41_Create: No valid session established\n"); status = STATUS_INSUFFICIENT_RESOURCES; goto out; } if (isStream(SrvOpen->pAlreadyPrefixedName)) { status = STATUS_NOT_SUPPORTED; goto out; } if (pVNetRootContext->read_only && (params->DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA))) { status = STATUS_NETWORK_ACCESS_DENIED; goto out; } /* if FCB was marked for deletion and opened multiple times, as soon * as first close happen, FCB transitions into delete_pending state * no more opens allowed */ if (Fcb->OpenCount && nfs41_fcb->DeletePending) { status = STATUS_DELETE_PENDING; goto out; } /* ms-fsa: 3.1.5.1.2.1 page 68 */ if (Fcb->OpenCount && nfs41_fcb->StandardInfo.DeletePending && !(params->ShareAccess & FILE_SHARE_DELETE) && (params->DesiredAccess & (FILE_EXECUTE | FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA))) { status = STATUS_SHARING_VIOLATION; goto out; } /* rdbss seems miss this sharing_violation check */ if (Fcb->OpenCount && params->Disposition == FILE_SUPERSEDE) { #ifdef __REACTOS__ if ((!RxContext->CurrentIrpSp->FileObject->SharedRead && (params->DesiredAccess & FILE_READ_DATA)) || ((!RxContext->CurrentIrpSp->FileObject->SharedWrite && (params->DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES))) || (!RxContext->CurrentIrpSp->FileObject->SharedDelete && (params->DesiredAccess & DELETE)))) { #else if ((!RxContext->CurrentIrpSp->FileObject->SharedRead && (params->DesiredAccess & FILE_READ_DATA)) || (!RxContext->CurrentIrpSp->FileObject->SharedWrite && (params->DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_WRITE_ATTRIBUTES)) || (!RxContext->CurrentIrpSp->FileObject->SharedDelete && (params->DesiredAccess & DELETE)))) { #endif status = STATUS_SHARING_VIOLATION; goto out; } } if (isFilenameTooLong(SrvOpen->pAlreadyPrefixedName, pVNetRootContext)) { status = STATUS_OBJECT_NAME_INVALID; goto out; } if (!areOpenParamsValid(params)) { status = STATUS_INVALID_PARAMETER; goto out; } /* from ms-fsa 3.1.5.1.1 page 56 */ if ((params->CreateOptions & FILE_DELETE_ON_CLOSE) && (params->FileAttributes & FILE_ATTRIBUTE_READONLY)) { status = STATUS_CANNOT_DELETE; goto out; } if (ea) { /* ignore cygwin EAs when checking support and access */ if (!AnsiStrEq(&NfsV3Attributes, ea->EaName, ea->EaNameLength) && !AnsiStrEq(&NfsActOnLink, ea->EaName, ea->EaNameLength) && !AnsiStrEq(&NfsSymlinkTargetName, ea->EaName, ea->EaNameLength)) { if (!(FsAttrs->FileSystemAttributes & FILE_SUPPORTS_EXTENDED_ATTRIBUTES)) { status = STATUS_EAS_NOT_SUPPORTED; goto out; } } } else if (RxContext->CurrentIrpSp->Parameters.Create.EaLength) { status = STATUS_INVALID_PARAMETER; goto out; } out: return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_Create( #else NTSTATUS nfs41_Create( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES; nfs41_updowncall_entry *entry = NULL; PNT_CREATE_PARAMETERS params = &RxContext->Create.NtCreateParameters; PFILE_FULL_EA_INFORMATION ea = (PFILE_FULL_EA_INFORMATION) RxContext->CurrentIrp->AssociatedIrp.SystemBuffer; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PMRX_FCB Fcb = RxContext->pFcb; __notnull PNFS41_FCB nfs41_fcb = (PNFS41_FCB)Fcb->Context; PNFS41_FOBX nfs41_fobx = NULL; BOOLEAN oldDeletePending = nfs41_fcb->StandardInfo.DeletePending; #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif ASSERT( NodeType(SrvOpen) == RDBSS_NTC_SRVOPEN ); #ifdef DEBUG_OPEN DbgEn(); print_debug_header(RxContext); print_nt_create_params(1, RxContext->Create.NtCreateParameters); if (ea) print_ea_info(0, ea); #endif status = check_nfs41_create_args(RxContext); if (status) goto out; #if defined(STORE_MOUNT_SEC_CONTEXT) && defined (USE_MOUNT_SEC_CONTEXT) status = nfs41_UpcallCreate(NFS41_OPEN, &pVNetRootContext->mount_sec_ctx, #else status = nfs41_UpcallCreate(NFS41_OPEN, NULL, #endif pVNetRootContext->session, INVALID_HANDLE_VALUE, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.Open.access_mask = params->DesiredAccess; entry->u.Open.access_mode = params->ShareAccess; entry->u.Open.attrs = params->FileAttributes; if (!(params->CreateOptions & FILE_DIRECTORY_FILE)) entry->u.Open.attrs |= FILE_ATTRIBUTE_ARCHIVE; entry->u.Open.disp = params->Disposition; entry->u.Open.copts = params->CreateOptions; entry->u.Open.srv_open = SrvOpen; /* treat the NfsActOnLink ea as FILE_OPEN_REPARSE_POINT */ if ((ea && AnsiStrEq(&NfsActOnLink, ea->EaName, ea->EaNameLength)) || (entry->u.Open.access_mask & DELETE)) entry->u.Open.copts |= FILE_OPEN_REPARSE_POINT; if (isDataAccess(params->DesiredAccess) || isOpen2Create(params->Disposition)) entry->u.Open.open_owner_id = InterlockedIncrement(&open_owner_id); // if we are creating a file check if nfsv3attributes were passed in if (params->Disposition != FILE_OPEN && params->Disposition != FILE_OVERWRITE) { entry->u.Open.mode = 0777; if (ea && AnsiStrEq(&NfsV3Attributes, ea->EaName, ea->EaNameLength)) { nfs3_attrs *attrs = (nfs3_attrs *)(ea->EaName + ea->EaNameLength + 1); #ifdef DEBUG_OPEN DbgP("creating file with mode %o\n", attrs->mode); #endif entry->u.Open.mode = attrs->mode; } if (params->FileAttributes & FILE_ATTRIBUTE_READONLY) entry->u.Open.mode = 0444; } if (entry->u.Open.disp == FILE_CREATE && ea && AnsiStrEq(&NfsSymlinkTargetName, ea->EaName, ea->EaNameLength)) { /* for a cygwin symlink, given as a unicode string */ entry->u.Open.symlink.Buffer = (PWCH)(ea->EaName + ea->EaNameLength + 1); entry->u.Open.symlink.MaximumLength = entry->u.Open.symlink.Length = ea->EaValueLength; } retry_on_link: if (ea && create_should_pass_ea(ea, params->Disposition)) { /* lock the extended attribute buffer for read access in user space */ entry->u.Open.EaMdl = IoAllocateMdl(ea, RxContext->CurrentIrpSp->Parameters.Create.EaLength, FALSE, FALSE, NULL); if (entry->u.Open.EaMdl == NULL) { status = STATUS_INTERNAL_ERROR; RxFreePool(entry); goto out; } entry->u.Open.EaMdl->MdlFlags |= MDL_MAPPING_CAN_FAIL; MmProbeAndLockPages(entry->u.Open.EaMdl, KernelMode, IoModifyAccess); } status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); #ifndef USE_MOUNT_SEC_CONTEXT SeDeleteClientSecurity(&entry->sec_ctx); #endif if (status) goto out; if (entry->u.Open.EaMdl) { MmUnlockPages(entry->u.Open.EaMdl); IoFreeMdl(entry->u.Open.EaMdl); } if (entry->status == NO_ERROR && entry->errno == ERROR_REPARSE) { /* symbolic link handling. when attempting to open a symlink when the * FILE_OPEN_REPARSE_POINT flag is not set, replace the filename with * the symlink target's by calling RxPrepareToReparseSymbolicLink() * and returning STATUS_REPARSE. the object manager will attempt to * open the new path, and return its handle for the original open */ PRDBSS_DEVICE_OBJECT DeviceObject = RxContext->RxDeviceObject; PV_NET_ROOT VNetRoot = (PV_NET_ROOT) RxContext->pRelevantSrvOpen->pVNetRoot; PUNICODE_STRING VNetRootPrefix = &VNetRoot->PrefixEntry.Prefix; UNICODE_STRING AbsPath; PCHAR buf; BOOLEAN ReparseRequired; /* allocate the string for RxPrepareToReparseSymbolicLink(), and * format an absolute path "DeviceName+VNetRootName+symlink" */ AbsPath.Length = DeviceObject->DeviceName.Length + VNetRootPrefix->Length + entry->u.Open.symlink.Length; AbsPath.MaximumLength = AbsPath.Length + sizeof(UNICODE_NULL); AbsPath.Buffer = RxAllocatePoolWithTag(NonPagedPool, AbsPath.MaximumLength, NFS41_MM_POOLTAG); if (AbsPath.Buffer == NULL) { status = STATUS_INSUFFICIENT_RESOURCES; goto out_free; } buf = (PCHAR)AbsPath.Buffer; RtlCopyMemory(buf, DeviceObject->DeviceName.Buffer, DeviceObject->DeviceName.Length); buf += DeviceObject->DeviceName.Length; RtlCopyMemory(buf, VNetRootPrefix->Buffer, VNetRootPrefix->Length); buf += VNetRootPrefix->Length; RtlCopyMemory(buf, entry->u.Open.symlink.Buffer, entry->u.Open.symlink.Length); RxFreePool(entry->u.Open.symlink.Buffer); buf += entry->u.Open.symlink.Length; *(PWCHAR)buf = UNICODE_NULL; status = RxPrepareToReparseSymbolicLink(RxContext, entry->u.Open.symlink_embedded, &AbsPath, TRUE, &ReparseRequired); #ifdef DEBUG_OPEN DbgP("RxPrepareToReparseSymbolicLink(%u, '%wZ') returned %08lX, " "FileName is '%wZ'\n", entry->u.Open.symlink_embedded, &AbsPath, status, &RxContext->CurrentIrpSp->FileObject->FileName); #endif if (status == STATUS_SUCCESS) { /* if a reparse is not required, reopen the link itself. this * happens with operations on cygwin symlinks, where the reparse * flag is not set */ if (!ReparseRequired) { entry->u.Open.symlink.Length = 0; entry->u.Open.copts |= FILE_OPEN_REPARSE_POINT; goto retry_on_link; } status = STATUS_REPARSE; } goto out_free; } status = map_open_errors(entry->status, SrvOpen->pAlreadyPrefixedName->Length); if (status) { #ifdef DEBUG_OPEN print_open_error(1, status); #endif goto out_free; } if (!RxIsFcbAcquiredExclusive(Fcb)) { ASSERT(!RxIsFcbAcquiredShared(Fcb)); RxAcquireExclusiveFcbResourceInMRx(Fcb); } RxContext->pFobx = RxCreateNetFobx(RxContext, SrvOpen); if (RxContext->pFobx == NULL) { status = STATUS_INSUFFICIENT_RESOURCES; goto out_free; } #ifdef DEBUG_OPEN DbgP("nfs41_Create: created FOBX %p\n", RxContext->pFobx); #endif nfs41_fobx = (PNFS41_FOBX)(RxContext->pFobx)->Context; nfs41_fobx->nfs41_open_state = entry->open_state; #ifndef USE_MOUNT_SEC_CONTEXT status = nfs41_get_sec_ctx(SecurityImpersonation, &nfs41_fobx->sec_ctx); if (status) goto out_free; #else RtlCopyMemory(&nfs41_fobx->sec_ctx, &pVNetRootContext->mount_sec_ctx, sizeof(nfs41_fobx->sec_ctx)); #endif // we get attributes only for data access and file (not directories) if (Fcb->OpenCount == 0 || (Fcb->OpenCount > 0 && nfs41_fcb->changeattr != entry->ChangeTime)) { FCB_INIT_PACKET InitPacket; RX_FILE_TYPE StorageType = FileTypeNotYetKnown; RtlCopyMemory(&nfs41_fcb->BasicInfo, &entry->u.Open.binfo, sizeof(entry->u.Open.binfo)); RtlCopyMemory(&nfs41_fcb->StandardInfo, &entry->u.Open.sinfo, sizeof(entry->u.Open.sinfo)); nfs41_fcb->mode = entry->u.Open.mode; nfs41_fcb->changeattr = entry->ChangeTime; if (((params->CreateOptions & FILE_DELETE_ON_CLOSE) && !pVNetRootContext->read_only) || oldDeletePending) nfs41_fcb->StandardInfo.DeletePending = TRUE; RxFormInitPacket(InitPacket, &entry->u.Open.binfo.FileAttributes, &entry->u.Open.sinfo.NumberOfLinks, &entry->u.Open.binfo.CreationTime, &entry->u.Open.binfo.LastAccessTime, &entry->u.Open.binfo.LastWriteTime, &entry->u.Open.binfo.ChangeTime, &entry->u.Open.sinfo.AllocationSize, &entry->u.Open.sinfo.EndOfFile, &entry->u.Open.sinfo.EndOfFile); if (entry->u.Open.sinfo.Directory) StorageType = FileTypeDirectory; else StorageType = FileTypeFile; RxFinishFcbInitialization(Fcb, RDBSS_STORAGE_NTC(StorageType), &InitPacket); } #ifdef DEBUG_OPEN else DbgP("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n"); print_basic_info(1, &nfs41_fcb->BasicInfo); print_std_info(1, &nfs41_fcb->StandardInfo); #endif /* aglo: 05/10/2012. it seems like always have to invalid the cache if the * file has been opened before and being opened again for data access. * If the file was opened before, RDBSS might have cached (unflushed) data * and by opening it again, we will not have the correct representation of * the file size and data content. fileio tests 208, 219, 221. */ if (Fcb->OpenCount > 0 && (isDataAccess(params->DesiredAccess) || nfs41_fcb->changeattr != entry->ChangeTime) && !nfs41_fcb->StandardInfo.Directory) { ULONG flag = DISABLE_CACHING; #ifdef DEBUG_OPEN DbgP("nfs41_Create: reopening (changed) file %wZ\n", SrvOpen->pAlreadyPrefixedName); #endif RxChangeBufferingState((PSRV_OPEN)SrvOpen, ULongToPtr(flag), 1); } if (!nfs41_fcb->StandardInfo.Directory && isDataAccess(params->DesiredAccess)) { nfs41_fobx->deleg_type = entry->u.Open.deleg_type; #ifdef DEBUG_OPEN DbgP("nfs41_Create: received delegation %d\n", entry->u.Open.deleg_type); #endif if (!(params->CreateOptions & FILE_WRITE_THROUGH) && !pVNetRootContext->write_thru && (entry->u.Open.deleg_type == 2 || (params->DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA)))) { #ifdef DEBUG_OPEN DbgP("nfs41_Create: enabling write buffering\n"); #endif SrvOpen->BufferingFlags |= (FCB_STATE_WRITECACHING_ENABLED | FCB_STATE_WRITEBUFFERING_ENABLED); } else if (params->CreateOptions & FILE_WRITE_THROUGH || pVNetRootContext->write_thru) nfs41_fobx->write_thru = TRUE; if (entry->u.Open.deleg_type >= 1 || params->DesiredAccess & FILE_READ_DATA) { #ifdef DEBUG_OPEN DbgP("nfs41_Create: enabling read buffering\n"); #endif SrvOpen->BufferingFlags |= (FCB_STATE_READBUFFERING_ENABLED | FCB_STATE_READCACHING_ENABLED); } if (pVNetRootContext->nocache || (params->CreateOptions & FILE_NO_INTERMEDIATE_BUFFERING)) { #ifdef DEBUG_OPEN DbgP("nfs41_Create: disabling buffering\n"); #endif SrvOpen->BufferingFlags = FCB_STATE_DISABLE_LOCAL_BUFFERING; nfs41_fobx->nocache = TRUE; } else if (!entry->u.Open.deleg_type && !Fcb->OpenCount) { nfs41_fcb_list_entry *oentry; #ifdef DEBUG_OPEN DbgP("nfs41_Create: received no delegations: srv_open=%p " "ctime=%llu\n", SrvOpen, entry->ChangeTime); #endif oentry = RxAllocatePoolWithTag(NonPagedPool, sizeof(nfs41_fcb_list_entry), NFS41_MM_POOLTAG_OPEN); if (oentry == NULL) { status = STATUS_INSUFFICIENT_RESOURCES; goto out_free; } oentry->fcb = RxContext->pFcb; oentry->nfs41_fobx = nfs41_fobx; oentry->session = pVNetRootContext->session; oentry->ChangeTime = entry->ChangeTime; oentry->skip = FALSE; nfs41_AddEntry(fcblistLock, openlist, oentry); } } if ((params->CreateOptions & FILE_DELETE_ON_CLOSE) && !pVNetRootContext->read_only) nfs41_fcb->StandardInfo.DeletePending = TRUE; RxContext->Create.ReturnedCreateInformation = map_disposition_to_create_retval(params->Disposition, entry->errno); RxContext->pFobx->OffsetOfNextEaToReturn = 1; #ifndef __REACTOS__ RxContext->CurrentIrp->IoStatus.Information = RxContext->Create.ReturnedCreateInformation; #endif status = RxContext->CurrentIrp->IoStatus.Status = STATUS_SUCCESS; out_free: if (entry) RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); if ((params->DesiredAccess & FILE_READ_DATA) || (params->DesiredAccess & FILE_WRITE_DATA) || (params->DesiredAccess & FILE_APPEND_DATA) || (params->DesiredAccess & FILE_EXECUTE)) { InterlockedIncrement(&open.tops); InterlockedAdd64(&open.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_Create open delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, open.tops, open.ticks); #endif } else { InterlockedIncrement(&lookup.tops); InterlockedAdd64(&lookup.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_Create lookup delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, lookup.tops, lookup.ticks); #endif } #endif #ifdef DEBUG_OPEN DbgEx(); #endif return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_CollapseOpen( #else NTSTATUS nfs41_CollapseOpen( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_MORE_PROCESSING_REQUIRED; DbgEn(); DbgEx(); return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_ShouldTryToCollapseThisOpen( #else NTSTATUS nfs41_ShouldTryToCollapseThisOpen( #endif IN OUT PRX_CONTEXT RxContext) { if (RxContext->pRelevantSrvOpen == NULL) return STATUS_SUCCESS; else return STATUS_MORE_PROCESSING_REQUIRED; } #ifdef __REACTOS__ ULONG NTAPI nfs41_ExtendForCache( #else ULONG nfs41_ExtendForCache( #endif IN OUT PRX_CONTEXT RxContext, IN PLARGE_INTEGER pNewFileSize, OUT PLARGE_INTEGER pNewAllocationSize) { NTSTATUS status = STATUS_SUCCESS; __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb); #ifdef DEBUG_CACHE PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; DbgEn(); print_debug_header(RxContext); DbgP("input: byte count 0x%x filesize 0x%x alloc size 0x%x\n", LowIoContext->ParamsFor.ReadWrite.ByteCount, *pNewFileSize, *pNewAllocationSize); #endif pNewAllocationSize->QuadPart = pNewFileSize->QuadPart + 8192; nfs41_fcb->StandardInfo.AllocationSize.QuadPart = pNewAllocationSize->QuadPart; nfs41_fcb->StandardInfo.EndOfFile.QuadPart = pNewFileSize->QuadPart; #ifdef DEBUG_CACHE DbgP("new filesize 0x%x new allocation size 0x%x\n", *pNewFileSize, *pNewAllocationSize); #endif #ifdef DEBUG_CACHE DbgEx(); #endif return status; } VOID nfs41_remove_fcb_entry( PMRX_FCB fcb) { PLIST_ENTRY pEntry; nfs41_fcb_list_entry *cur; ExAcquireFastMutex(&fcblistLock); pEntry = openlist.head.Flink; while (!IsListEmpty(&openlist.head)) { cur = (nfs41_fcb_list_entry *)CONTAINING_RECORD(pEntry, nfs41_fcb_list_entry, next); if (cur->fcb == fcb) { #ifdef DEBUG_CLOSE DbgP("nfs41_remove_srvopen_entry: Found match for fcb=%p\n", fcb); #endif RemoveEntryList(pEntry); RxFreePool(cur); break; } if (pEntry->Flink == &openlist.head) { #ifdef DEBUG_CLOSE DbgP("nfs41_remove_srvopen_entry: reached EOL looking for fcb " "%p\n", fcb); #endif break; } pEntry = pEntry->Flink; } ExReleaseFastMutex(&fcblistLock); } NTSTATUS map_close_errors( DWORD status) { switch (status) { case NO_ERROR: return STATUS_SUCCESS; case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED; case ERROR_NOT_EMPTY: return STATUS_DIRECTORY_NOT_EMPTY; case ERROR_FILE_INVALID: return STATUS_FILE_INVALID; default: print_error("failed to map windows error %d to NTSTATUS; " "defaulting to STATUS_INTERNAL_ERROR\n", status); case ERROR_INTERNAL_ERROR: return STATUS_INTERNAL_ERROR; } } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_CloseSrvOpen( #else NTSTATUS nfs41_CloseSrvOpen( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES; nfs41_updowncall_entry *entry; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb); __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_CLOSE DbgEn(); print_debug_header(RxContext); #endif if (!nfs41_fobx->deleg_type && !nfs41_fcb->StandardInfo.Directory && !RxContext->pFcb->OpenCount) { nfs41_remove_fcb_entry(RxContext->pFcb); } status = nfs41_UpcallCreate(NFS41_CLOSE, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.Close.srv_open = SrvOpen; if (nfs41_fcb->StandardInfo.DeletePending) nfs41_fcb->DeletePending = TRUE; if (!RxContext->pFcb->OpenCount || (nfs41_fcb->StandardInfo.DeletePending && nfs41_fcb->StandardInfo.Directory)) entry->u.Close.remove = nfs41_fcb->StandardInfo.DeletePending; if (!RxContext->pFcb->OpenCount) entry->u.Close.renamed = nfs41_fcb->Renamed; status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); #ifndef USE_MOUNT_SEC_CONTEXT SeDeleteClientSecurity(&nfs41_fobx->sec_ctx); #endif if (status) goto out; /* map windows ERRORs to NTSTATUS */ status = map_close_errors(entry->status); RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&close.tops); InterlockedAdd64(&close.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_CloseSrvOpen delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, close.tops, close.ticks); #endif #endif #ifdef DEBUG_CLOSE DbgEx(); #endif return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_Flush( #else NTSTATUS nfs41_Flush( #endif IN OUT PRX_CONTEXT RxContext) { return STATUS_SUCCESS; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_DeallocateForFcb( #else NTSTATUS nfs41_DeallocateForFcb( #endif IN OUT PMRX_FCB pFcb) { return STATUS_SUCCESS; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_DeallocateForFobx( #else NTSTATUS nfs41_DeallocateForFobx( #endif IN OUT PMRX_FOBX pFobx) { __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(pFobx); if (nfs41_fobx->acl) RxFreePool(nfs41_fobx->acl); return STATUS_SUCCESS; } void print_debug_filedirquery_header( PRX_CONTEXT RxContext) { print_debug_header(RxContext); DbgP("FileName='%wZ', InfoClass = %s\n", GET_ALREADY_PREFIXED_NAME_FROM_CONTEXT(RxContext), print_file_information_class(RxContext->Info.FileInformationClass)); } void print_querydir_args( PRX_CONTEXT RxContext) { print_debug_filedirquery_header(RxContext); DbgP("Filter='%wZ', Index=%d, Restart/Single/Specified/Init=%d/%d/%d/%d\n", &RxContext->pFobx->UnicodeQueryTemplate, RxContext->QueryDirectory.FileIndex, RxContext->QueryDirectory.RestartScan, RxContext->QueryDirectory.ReturnSingleEntry, RxContext->QueryDirectory.IndexSpecified, RxContext->QueryDirectory.InitialQuery); } NTSTATUS map_querydir_errors( DWORD status) { switch (status) { case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED; case ERROR_BUFFER_OVERFLOW: return STATUS_BUFFER_OVERFLOW; case ERROR_FILE_NOT_FOUND: return STATUS_NO_SUCH_FILE; case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED; case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER; case ERROR_NO_MORE_FILES: return STATUS_NO_MORE_FILES; case ERROR_OUTOFMEMORY: return STATUS_INSUFFICIENT_RESOURCES; case ERROR_FILENAME_EXCED_RANGE: return STATUS_NAME_TOO_LONG; default: print_error("failed to map windows error %d to NTSTATUS; " "defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", status); case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE; } } NTSTATUS check_nfs41_dirquery_args( IN PRX_CONTEXT RxContext) { if (RxContext->Info.Buffer == NULL) return STATUS_INVALID_USER_BUFFER; return STATUS_SUCCESS; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_QueryDirectory( #else NTSTATUS nfs41_QueryDirectory( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_INVALID_PARAMETER; nfs41_updowncall_entry *entry; FILE_INFORMATION_CLASS InfoClass = RxContext->Info.FileInformationClass; PUNICODE_STRING Filter = &RxContext->pFobx->UnicodeQueryTemplate; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_DIR_QUERY DbgEn(); print_querydir_args(RxContext); #endif status = check_nfs41_dirquery_args(RxContext); if (status) goto out; switch (InfoClass) { /* classes handled in readdir_copy_entry() and readdir_size_for_entry() */ case FileNamesInformation: case FileDirectoryInformation: case FileFullDirectoryInformation: case FileIdFullDirectoryInformation: case FileBothDirectoryInformation: case FileIdBothDirectoryInformation: break; default: print_error("nfs41_QueryDirectory: unhandled dir query class %d\n", InfoClass); status = STATUS_NOT_SUPPORTED; goto out; } status = nfs41_UpcallCreate(NFS41_DIR_QUERY, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.QueryFile.InfoClass = InfoClass; entry->buf_len = RxContext->Info.LengthRemaining; entry->buf = RxContext->Info.Buffer; entry->u.QueryFile.mdl = IoAllocateMdl(RxContext->Info.Buffer, RxContext->Info.LengthRemaining, FALSE, FALSE, NULL); if (entry->u.QueryFile.mdl == NULL) { status = STATUS_INTERNAL_ERROR; RxFreePool(entry); goto out; } entry->u.QueryFile.mdl->MdlFlags |= MDL_MAPPING_CAN_FAIL; MmProbeAndLockPages(entry->u.QueryFile.mdl, KernelMode, IoModifyAccess); entry->u.QueryFile.filter = Filter; entry->u.QueryFile.initial_query = RxContext->QueryDirectory.InitialQuery; entry->u.QueryFile.restart_scan = RxContext->QueryDirectory.RestartScan; entry->u.QueryFile.return_single = RxContext->QueryDirectory.ReturnSingleEntry; status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); if (status) goto out; MmUnlockPages(entry->u.QueryFile.mdl); if (entry->status == STATUS_BUFFER_TOO_SMALL) { DbgP("nfs41_QueryDirectory: buffer too small provided %d need %lu\n", RxContext->Info.LengthRemaining, entry->buf_len); RxContext->InformationToReturn = entry->buf_len; status = STATUS_BUFFER_TOO_SMALL; } else if (entry->status == STATUS_SUCCESS) { #ifdef ENABLE_TIMINGS InterlockedIncrement(&readdir.sops); InterlockedAdd64(&readdir.size, entry->u.QueryFile.buf_len); #endif RxContext->Info.LengthRemaining -= entry->buf_len; status = STATUS_SUCCESS; } else { /* map windows ERRORs to NTSTATUS */ status = map_querydir_errors(entry->status); } IoFreeMdl(entry->u.QueryFile.mdl); RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&readdir.tops); InterlockedAdd64(&readdir.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_QueryDirectory delta = %d ops=%d sum=%d\n", t2.QuadPart - t1.QuadPart, readdir.tops, readdir.ticks); #endif #endif #ifdef DEBUG_DIR_QUERY DbgEx(); #endif return status; } void print_queryvolume_args( PRX_CONTEXT RxContext) { print_debug_header(RxContext); DbgP("FileName='%wZ', InfoClass = %s BufferLen = %d\n", GET_ALREADY_PREFIXED_NAME_FROM_CONTEXT(RxContext), print_fs_information_class(RxContext->Info.FileInformationClass), RxContext->Info.LengthRemaining); } NTSTATUS map_volume_errors( DWORD status) { switch (status) { case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED; case ERROR_VC_DISCONNECTED: return STATUS_CONNECTION_DISCONNECTED; case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED; case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER; case ERROR_OUTOFMEMORY: return STATUS_INSUFFICIENT_RESOURCES; default: print_error("failed to map windows error %d to NTSTATUS; " "defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", status); case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE; } } void nfs41_create_volume_info(PFILE_FS_VOLUME_INFORMATION pVolInfo, DWORD *len) { DECLARE_CONST_UNICODE_STRING(VolName, VOL_NAME); RtlZeroMemory(pVolInfo, sizeof(FILE_FS_VOLUME_INFORMATION)); pVolInfo->VolumeSerialNumber = 0xBABAFACE; pVolInfo->VolumeLabelLength = VolName.Length; RtlCopyMemory(&pVolInfo->VolumeLabel[0], (PVOID)VolName.Buffer, VolName.MaximumLength); *len = sizeof(FILE_FS_VOLUME_INFORMATION) + VolName.Length; } static BOOLEAN is_root_directory( PRX_CONTEXT RxContext) { __notnull PV_NET_ROOT VNetRoot = (PV_NET_ROOT) RxContext->pRelevantSrvOpen->pVNetRoot; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot); /* calculate the root directory's length, including vnetroot prefix, * mount path, and a trailing \ */ const USHORT RootPathLen = VNetRoot->PrefixEntry.Prefix.Length + pVNetRootContext->MountPathLen + sizeof(WCHAR); return RxContext->CurrentIrpSp->FileObject->FileName.Length <= RootPathLen; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_QueryVolumeInformation( #else NTSTATUS nfs41_QueryVolumeInformation( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_INVALID_PARAMETER; nfs41_updowncall_entry *entry; ULONG RemainingLength = RxContext->Info.LengthRemaining, SizeUsed; FS_INFORMATION_CLASS InfoClass = RxContext->Info.FsInformationClass; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); NFS41GetDeviceExtension(RxContext, DevExt); #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_VOLUME_QUERY DbgEn(); print_queryvolume_args(RxContext); #endif status = check_nfs41_dirquery_args(RxContext); if (status) goto out; #ifdef __REACTOS__ RtlZeroMemory(RxContext->Info.Buffer, RxContext->Info.LengthRemaining); #endif // __REACTOS__ switch (InfoClass) { case FileFsVolumeInformation: if ((ULONG)RxContext->Info.LengthRemaining >= DevExt->VolAttrsLen) { RtlCopyMemory(RxContext->Info.Buffer, DevExt->VolAttrs, DevExt->VolAttrsLen); RxContext->Info.LengthRemaining -= DevExt->VolAttrsLen; status = STATUS_SUCCESS; } else { RtlCopyMemory(RxContext->Info.Buffer, DevExt->VolAttrs, RxContext->Info.LengthRemaining); status = STATUS_BUFFER_OVERFLOW; } goto out; case FileFsDeviceInformation: { PFILE_FS_DEVICE_INFORMATION pDevInfo = RxContext->Info.Buffer; SizeUsed = sizeof(FILE_FS_DEVICE_INFORMATION); if (RemainingLength < SizeUsed) { status = STATUS_BUFFER_TOO_SMALL; RxContext->InformationToReturn = SizeUsed; goto out; } pDevInfo->DeviceType = RxContext->pFcb->pNetRoot->DeviceType; pDevInfo->Characteristics = FILE_REMOTE_DEVICE | FILE_DEVICE_IS_MOUNTED; RxContext->Info.LengthRemaining -= SizeUsed; status = STATUS_SUCCESS; goto out; } case FileAccessInformation: status = STATUS_NOT_SUPPORTED; goto out; case FileFsAttributeInformation: if (RxContext->Info.LengthRemaining < FS_ATTR_LEN) { RxContext->InformationToReturn = FS_ATTR_LEN; status = STATUS_BUFFER_TOO_SMALL; goto out; } /* on attribute queries for the root directory, * use cached volume attributes from mount */ if (is_root_directory(RxContext)) { PFILE_FS_ATTRIBUTE_INFORMATION attrs = (PFILE_FS_ATTRIBUTE_INFORMATION)RxContext->Info.Buffer; DECLARE_CONST_UNICODE_STRING(FsName, FS_NAME); RtlCopyMemory(attrs, &pVNetRootContext->FsAttrs, sizeof(pVNetRootContext->FsAttrs)); /* fill in the FileSystemName */ RtlCopyMemory(attrs->FileSystemName, FsName.Buffer, FsName.MaximumLength); /* 'MaximumLength' to include null */ attrs->FileSystemNameLength = FsName.Length; RxContext->Info.LengthRemaining -= FS_ATTR_LEN; goto out; } /* else fall through and send the upcall */ case FileFsSizeInformation: case FileFsFullSizeInformation: break; default: print_error("nfs41_QueryVolumeInformation: unhandled class %d\n", InfoClass); status = STATUS_NOT_SUPPORTED; goto out; } status = nfs41_UpcallCreate(NFS41_VOLUME_QUERY, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.Volume.query = InfoClass; entry->buf = RxContext->Info.Buffer; entry->buf_len = RxContext->Info.LengthRemaining; status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); if (status) goto out; if (entry->status == STATUS_BUFFER_TOO_SMALL) { RxContext->InformationToReturn = entry->buf_len; status = STATUS_BUFFER_TOO_SMALL; } else if (entry->status == STATUS_SUCCESS) { if (InfoClass == FileFsAttributeInformation) { /* fill in the FileSystemName */ PFILE_FS_ATTRIBUTE_INFORMATION attrs = (PFILE_FS_ATTRIBUTE_INFORMATION)RxContext->Info.Buffer; DECLARE_CONST_UNICODE_STRING(FsName, FS_NAME); RtlCopyMemory(attrs->FileSystemName, FsName.Buffer, FsName.MaximumLength); /* 'MaximumLength' to include null */ attrs->FileSystemNameLength = FsName.Length; entry->buf_len = FS_ATTR_LEN; } #ifdef ENABLE_TIMINGS InterlockedIncrement(&volume.sops); InterlockedAdd64(&volume.size, entry->u.Volume.buf_len); #endif RxContext->Info.LengthRemaining -= entry->buf_len; status = STATUS_SUCCESS; } else { status = map_volume_errors(entry->status); } RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&volume.tops); InterlockedAdd64(&volume.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_QueryVolumeInformation delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, volume.tops, volume.ticks); #endif #endif #ifdef DEBUG_VOLUME_QUERY DbgEx(); #endif return status; } VOID nfs41_update_fcb_list( PMRX_FCB fcb, ULONGLONG ChangeTime) { PLIST_ENTRY pEntry; nfs41_fcb_list_entry *cur; ExAcquireFastMutex(&fcblistLock); pEntry = openlist.head.Flink; while (!IsListEmpty(&openlist.head)) { cur = (nfs41_fcb_list_entry *)CONTAINING_RECORD(pEntry, nfs41_fcb_list_entry, next); if (cur->fcb == fcb && cur->ChangeTime != ChangeTime) { #if defined(DEBUG_FILE_SET) || defined(DEBUG_ACL_SET) || \ defined(DEBUG_WRITE) || defined(DEBUG_EA_SET) DbgP("nfs41_update_fcb_list: Found match for fcb %p: updating " "%llu to %llu\n", fcb, cur->ChangeTime, ChangeTime); #endif cur->ChangeTime = ChangeTime; break; } /* place an upcall for this srv_open */ if (pEntry->Flink == &openlist.head) { #if defined(DEBUG_FILE_SET) || defined(DEBUG_ACL_SET) || \ defined(DEBUG_WRITE) || defined(DEBUG_EA_SET) DbgP("nfs41_update_fcb_list: reached EOL loooking for " "fcb=%p\n", fcb); #endif break; } pEntry = pEntry->Flink; } ExReleaseFastMutex(&fcblistLock); } void print_nfs3_attrs( nfs3_attrs *attrs) { DbgP("type=%d mode=%o nlink=%d size=%d atime=%x mtime=%x ctime=%x\n", attrs->type, attrs->mode, attrs->nlink, attrs->size, attrs->atime, attrs->mtime, attrs->ctime); } void file_time_to_nfs_time( IN const PLARGE_INTEGER file_time, OUT LONGLONG *nfs_time) { LARGE_INTEGER diff = unix_time_diff; diff.QuadPart = file_time->QuadPart - diff.QuadPart; *nfs_time = diff.QuadPart / 10000000; } void create_nfs3_attrs( nfs3_attrs *attrs, PNFS41_FCB nfs41_fcb) { RtlZeroMemory(attrs, sizeof(nfs3_attrs)); if (nfs41_fcb->BasicInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) attrs->type = NF3LNK; else if (nfs41_fcb->StandardInfo.Directory) attrs->type = NF3DIR; else attrs->type = NF3REG; attrs->mode = nfs41_fcb->mode; attrs->nlink = nfs41_fcb->StandardInfo.NumberOfLinks; attrs->size.QuadPart = attrs->used.QuadPart = nfs41_fcb->StandardInfo.EndOfFile.QuadPart; file_time_to_nfs_time(&nfs41_fcb->BasicInfo.LastAccessTime, &attrs->atime); file_time_to_nfs_time(&nfs41_fcb->BasicInfo.ChangeTime, &attrs->mtime); file_time_to_nfs_time(&nfs41_fcb->BasicInfo.CreationTime, &attrs->ctime); } NTSTATUS map_setea_error( DWORD error) { switch (error) { case NO_ERROR: return STATUS_SUCCESS; case ERROR_FILE_NOT_FOUND: return STATUS_NO_EAS_ON_FILE; case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED; case ERROR_NETWORK_ACCESS_DENIED: return STATUS_NETWORK_ACCESS_DENIED; case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED; case ERROR_FILE_TOO_LARGE: return STATUS_EA_TOO_LARGE; case ERROR_BUFFER_OVERFLOW: return STATUS_BUFFER_OVERFLOW; case STATUS_BUFFER_TOO_SMALL: case ERROR_INSUFFICIENT_BUFFER: return STATUS_BUFFER_TOO_SMALL; case ERROR_INVALID_EA_HANDLE: return STATUS_NONEXISTENT_EA_ENTRY; case ERROR_NO_MORE_FILES: return STATUS_NO_MORE_EAS; case ERROR_EA_FILE_CORRUPT: return STATUS_EA_CORRUPT_ERROR; default: print_error("failed to map windows error %d to NTSTATUS; " "defaulting to STATUS_INVALID_PARAMETER\n", error); case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER; } } NTSTATUS check_nfs41_setea_args( IN PRX_CONTEXT RxContext) { NTSTATUS status; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot); __notnull PFILE_FS_ATTRIBUTE_INFORMATION FsAttrs = &pVNetRootContext->FsAttrs; __notnull PFILE_FULL_EA_INFORMATION ea = (PFILE_FULL_EA_INFORMATION)RxContext->Info.Buffer; status = check_nfs41_dirquery_args(RxContext); if (status) goto out; if (ea == NULL) { status = STATUS_INVALID_PARAMETER; goto out; } if (AnsiStrEq(&NfsActOnLink, ea->EaName, ea->EaNameLength) || AnsiStrEq(&NfsSymlinkTargetName, ea->EaName, ea->EaNameLength)) { status = STATUS_INVALID_PARAMETER; /* only allowed on create */ goto out; } /* ignore cygwin EAs when checking support */ if (!(FsAttrs->FileSystemAttributes & FILE_SUPPORTS_EXTENDED_ATTRIBUTES) && !AnsiStrEq(&NfsV3Attributes, ea->EaName, ea->EaNameLength)) { status = STATUS_EAS_NOT_SUPPORTED; goto out; } if ((RxContext->pRelevantSrvOpen->DesiredAccess & FILE_WRITE_EA) == 0) { status = STATUS_ACCESS_DENIED; goto out; } if (pVNetRootContext->read_only) { print_error("check_nfs41_setattr_args: Read-only mount\n"); status = STATUS_ACCESS_DENIED; goto out; } out: return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_SetEaInformation( #else NTSTATUS nfs41_SetEaInformation( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_EAS_NOT_SUPPORTED; nfs41_updowncall_entry *entry; __notnull PFILE_FULL_EA_INFORMATION eainfo = (PFILE_FULL_EA_INFORMATION)RxContext->Info.Buffer; nfs3_attrs *attrs = NULL; ULONG buflen = RxContext->CurrentIrpSp->Parameters.SetEa.Length, error_offset; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb); __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_EA_SET DbgEn(); print_debug_header(RxContext); print_ea_info(1, eainfo); #endif status = check_nfs41_setea_args(RxContext); if (status) goto out; status = nfs41_UpcallCreate(NFS41_EA_SET, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; if (AnsiStrEq(&NfsV3Attributes, eainfo->EaName, eainfo->EaNameLength)) { attrs = (nfs3_attrs *)(eainfo->EaName + eainfo->EaNameLength + 1); #ifdef DEBUG_EA_SET print_nfs3_attrs(attrs); DbgP("old mode is %o new mode is %o\n", nfs41_fcb->mode, attrs->mode); #endif entry->u.SetEa.mode = attrs->mode; } else { entry->u.SetEa.mode = 0; status = IoCheckEaBufferValidity(eainfo, buflen, &error_offset); if (status) { RxFreePool(entry); goto out; } } entry->buf = eainfo; entry->buf_len = buflen; status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); if (status) goto out; #ifdef ENABLE_TIMINGS if (entry->status == STATUS_SUCCESS) { InterlockedIncrement(&setexattr.sops); InterlockedAdd64(&setexattr.size, entry->u.SetEa.buf_len); } #endif status = map_setea_error(entry->status); if (!status) { if (!nfs41_fobx->deleg_type && entry->ChangeTime && (SrvOpen->DesiredAccess & (FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA))) nfs41_update_fcb_list(RxContext->pFcb, entry->ChangeTime); nfs41_fcb->changeattr = entry->ChangeTime; nfs41_fcb->mode = entry->u.SetEa.mode; } RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&setexattr.tops); InterlockedAdd64(&setexattr.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_SetEaInformation delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, setexattr.tops, setexattr.ticks); #endif #endif #ifdef DEBUG_EA_SET DbgEx(); #endif return status; } NTSTATUS check_nfs41_queryea_args( IN PRX_CONTEXT RxContext) { NTSTATUS status; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot); __notnull PFILE_FS_ATTRIBUTE_INFORMATION FsAttrs = &pVNetRootContext->FsAttrs; PFILE_GET_EA_INFORMATION ea = (PFILE_GET_EA_INFORMATION) RxContext->CurrentIrpSp->Parameters.QueryEa.EaList; status = check_nfs41_dirquery_args(RxContext); if (status) goto out; if (!(FsAttrs->FileSystemAttributes & FILE_SUPPORTS_EXTENDED_ATTRIBUTES)) { if (ea == NULL) { status = STATUS_EAS_NOT_SUPPORTED; goto out; } /* ignore cygwin EAs when checking support */ if (!AnsiStrEq(&NfsV3Attributes, ea->EaName, ea->EaNameLength) && !AnsiStrEq(&NfsActOnLink, ea->EaName, ea->EaNameLength) && !AnsiStrEq(&NfsSymlinkTargetName, ea->EaName, ea->EaNameLength)) { status = STATUS_EAS_NOT_SUPPORTED; goto out; } } if ((RxContext->pRelevantSrvOpen->DesiredAccess & FILE_READ_EA) == 0) { status = STATUS_ACCESS_DENIED; goto out; } out: return status; } static NTSTATUS QueryCygwinSymlink( IN OUT PRX_CONTEXT RxContext, IN PFILE_GET_EA_INFORMATION query, OUT PFILE_FULL_EA_INFORMATION info) { __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION VNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION NetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PNFS41_FOBX Fobx = NFS41GetFobxExtension(RxContext->pFobx); nfs41_updowncall_entry *entry; UNICODE_STRING TargetName; const USHORT HeaderLen = FIELD_OFFSET(FILE_FULL_EA_INFORMATION, EaName) + query->EaNameLength + 1; NTSTATUS status; if (RxContext->Info.LengthRemaining < HeaderLen) { status = STATUS_BUFFER_TOO_SMALL; RxContext->InformationToReturn = HeaderLen; goto out; } TargetName.Buffer = (PWCH)(info->EaName + query->EaNameLength + 1); TargetName.MaximumLength = (USHORT)min(RxContext->Info.LengthRemaining - HeaderLen, 0xFFFF); status = nfs41_UpcallCreate(NFS41_SYMLINK, &Fobx->sec_ctx, VNetRootContext->session, Fobx->nfs41_open_state, NetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.Symlink.target = &TargetName; entry->u.Symlink.set = FALSE; status = nfs41_UpcallWaitForReply(entry, VNetRootContext->timeout); if (status) goto out; status = map_setea_error(entry->status); if (status == STATUS_SUCCESS) { info->NextEntryOffset = 0; info->Flags = 0; info->EaNameLength = query->EaNameLength; info->EaValueLength = TargetName.Length - sizeof(UNICODE_NULL); TargetName.Buffer[TargetName.Length/sizeof(WCHAR)] = UNICODE_NULL; RtlCopyMemory(info->EaName, query->EaName, query->EaNameLength); RxContext->Info.LengthRemaining = HeaderLen + info->EaValueLength; } else if (status == STATUS_BUFFER_TOO_SMALL) { RxContext->InformationToReturn = HeaderLen + entry->u.Symlink.target->Length; } RxFreePool(entry); out: return status; } static NTSTATUS QueryCygwinEA( IN OUT PRX_CONTEXT RxContext, IN PFILE_GET_EA_INFORMATION query, OUT PFILE_FULL_EA_INFORMATION info) { NTSTATUS status = STATUS_NONEXISTENT_EA_ENTRY; if (query == NULL) goto out; if (AnsiStrEq(&NfsSymlinkTargetName, query->EaName, query->EaNameLength)) { __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb); if (nfs41_fcb->BasicInfo.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) { status = QueryCygwinSymlink(RxContext, query, info); goto out; } else { const LONG LengthRequired = sizeof(FILE_FULL_EA_INFORMATION) + NfsSymlinkTargetName.Length - sizeof(CHAR); if (LengthRequired > RxContext->Info.LengthRemaining) { status = STATUS_BUFFER_TOO_SMALL; RxContext->InformationToReturn = LengthRequired; goto out; } info->NextEntryOffset = 0; info->Flags = 0; info->EaValueLength = 0; info->EaNameLength = (UCHAR)NfsActOnLink.Length; RtlCopyMemory(info->EaName, NfsSymlinkTargetName.Buffer, NfsSymlinkTargetName.Length); RxContext->Info.LengthRemaining = LengthRequired; status = STATUS_SUCCESS; goto out; } } if (AnsiStrEq(&NfsV3Attributes, query->EaName, query->EaNameLength)) { nfs3_attrs attrs; const LONG LengthRequired = sizeof(FILE_FULL_EA_INFORMATION) + NfsV3Attributes.Length + sizeof(nfs3_attrs) - sizeof(CHAR); if (LengthRequired > RxContext->Info.LengthRemaining) { status = STATUS_BUFFER_TOO_SMALL; RxContext->InformationToReturn = LengthRequired; goto out; } create_nfs3_attrs(&attrs, NFS41GetFcbExtension(RxContext->pFcb)); #ifdef DEBUG_EA_QUERY print_nfs3_attrs(&attrs); #endif info->NextEntryOffset = 0; info->Flags = 0; info->EaNameLength = (UCHAR)NfsV3Attributes.Length; info->EaValueLength = sizeof(nfs3_attrs); RtlCopyMemory(info->EaName, NfsV3Attributes.Buffer, NfsV3Attributes.Length); RtlCopyMemory(info->EaName + info->EaNameLength + 1, &attrs, sizeof(nfs3_attrs)); RxContext->Info.LengthRemaining = LengthRequired; status = STATUS_SUCCESS; goto out; } if (AnsiStrEq(&NfsActOnLink, query->EaName, query->EaNameLength)) { const LONG LengthRequired = sizeof(FILE_FULL_EA_INFORMATION) + query->EaNameLength - sizeof(CHAR); if (LengthRequired > RxContext->Info.LengthRemaining) { status = STATUS_BUFFER_TOO_SMALL; RxContext->InformationToReturn = LengthRequired; goto out; } info->NextEntryOffset = 0; info->Flags = 0; info->EaNameLength = query->EaNameLength; info->EaValueLength = 0; RtlCopyMemory(info->EaName, query->EaName, query->EaNameLength); RxContext->Info.LengthRemaining = LengthRequired; status = STATUS_SUCCESS; goto out; } out: return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_QueryEaInformation( #else NTSTATUS nfs41_QueryEaInformation( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_EAS_NOT_SUPPORTED; nfs41_updowncall_entry *entry; PFILE_GET_EA_INFORMATION query = (PFILE_GET_EA_INFORMATION) RxContext->CurrentIrpSp->Parameters.QueryEa.EaList; ULONG buflen = RxContext->CurrentIrpSp->Parameters.QueryEa.Length; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_EA_QUERY DbgEn(); print_debug_header(RxContext); print_get_ea(1, query); #endif status = check_nfs41_queryea_args(RxContext); if (status) goto out; /* handle queries for cygwin EAs */ status = QueryCygwinEA(RxContext, query, (PFILE_FULL_EA_INFORMATION)RxContext->Info.Buffer); if (status != STATUS_NONEXISTENT_EA_ENTRY) goto out; status = nfs41_UpcallCreate(NFS41_EA_GET, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->buf_len = buflen; entry->buf = RxContext->Info.Buffer; entry->u.QueryEa.EaList = query; entry->u.QueryEa.EaListLength = query == NULL ? 0 : RxContext->QueryEa.UserEaListLength; entry->u.QueryEa.EaIndex = RxContext->QueryEa.IndexSpecified ? RxContext->QueryEa.UserEaIndex : 0; entry->u.QueryEa.RestartScan = RxContext->QueryEa.RestartScan; entry->u.QueryEa.ReturnSingleEntry = RxContext->QueryEa.ReturnSingleEntry; status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); if (status) goto out; if (entry->status == STATUS_SUCCESS) { switch (entry->u.QueryEa.Overflow) { case ERROR_INSUFFICIENT_BUFFER: status = STATUS_BUFFER_TOO_SMALL; break; case ERROR_BUFFER_OVERFLOW: status = RxContext->IoStatusBlock.Status = STATUS_BUFFER_OVERFLOW; break; default: RxContext->IoStatusBlock.Status = STATUS_SUCCESS; break; } RxContext->InformationToReturn = entry->buf_len; #ifdef ENABLE_TIMINGS InterlockedIncrement(&getexattr.sops); InterlockedAdd64(&getexattr.size, entry->u.QueryEa.buf_len); #endif } else { status = map_setea_error(entry->status); } RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&getexattr.tops); InterlockedAdd64(&getexattr.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_QueryEaInformation delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, getexattr.tops, getexattr.ticks); #endif #endif #ifdef DEBUG_EA_QUERY DbgEx(); #endif return status; } NTSTATUS map_query_acl_error( DWORD error) { switch (error) { case NO_ERROR: return STATUS_SUCCESS; case ERROR_NOT_SUPPORTED: return STATUS_NOT_SUPPORTED; case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED; case ERROR_FILE_NOT_FOUND: return STATUS_OBJECT_NAME_NOT_FOUND; case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER; default: print_error("failed to map windows error %d to NTSTATUS; " "defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", error); case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE; } } NTSTATUS check_nfs41_getacl_args( PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_SUCCESS; SECURITY_INFORMATION info_class = RxContext->CurrentIrpSp->Parameters.QuerySecurity.SecurityInformation; /* we don't support sacls */ if (info_class == SACL_SECURITY_INFORMATION || info_class == LABEL_SECURITY_INFORMATION) { status = STATUS_NOT_SUPPORTED; goto out; } if (RxContext->CurrentIrp->UserBuffer == NULL && RxContext->CurrentIrpSp->Parameters.QuerySecurity.Length) status = STATUS_INVALID_USER_BUFFER; out: return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_QuerySecurityInformation( #else NTSTATUS nfs41_QuerySecurityInformation( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_NOT_SUPPORTED; nfs41_updowncall_entry *entry; __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); SECURITY_INFORMATION info_class = RxContext->CurrentIrpSp->Parameters.QuerySecurity.SecurityInformation; #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_ACL_QUERY DbgEn(); print_debug_header(RxContext); print_acl_args(info_class); #endif status = check_nfs41_getacl_args(RxContext); if (status) goto out; if (nfs41_fobx->acl && nfs41_fobx->acl_len) { LARGE_INTEGER current_time; KeQuerySystemTime(¤t_time); #ifdef DEBUG_ACL_QUERY DbgP("CurrentTime %lx Saved Acl time %lx\n", current_time.QuadPart, nfs41_fobx->time.QuadPart); #endif if (current_time.QuadPart - nfs41_fobx->time.QuadPart <= 20*1000) { PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR) RxContext->CurrentIrp->UserBuffer; RtlCopyMemory(sec_desc, nfs41_fobx->acl, nfs41_fobx->acl_len); RxContext->IoStatusBlock.Information = RxContext->InformationToReturn = nfs41_fobx->acl_len; RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS; #ifdef ENABLE_TIMINGS InterlockedIncrement(&getacl.sops); InterlockedAdd64(&getacl.size, nfs41_fobx->acl_len); #endif } else status = 1; RxFreePool(nfs41_fobx->acl); nfs41_fobx->acl = NULL; nfs41_fobx->acl_len = 0; if (!status) goto out; } status = nfs41_UpcallCreate(NFS41_ACL_QUERY, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.Acl.query = info_class; /* we can't provide RxContext->CurrentIrp->UserBuffer to the upcall thread * because it becomes an invalid pointer with that execution context */ entry->buf_len = RxContext->CurrentIrpSp->Parameters.QuerySecurity.Length; status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); if (status) goto out; if (entry->status == STATUS_BUFFER_TOO_SMALL) { #ifdef DEBUG_ACL_QUERY DbgP("nfs41_QuerySecurityInformation: provided buffer size=%d but we " "need %lu\n", RxContext->CurrentIrpSp->Parameters.QuerySecurity.Length, entry->buf_len); #endif status = STATUS_BUFFER_OVERFLOW; RxContext->InformationToReturn = entry->buf_len; /* Save ACL buffer */ nfs41_fobx->acl = entry->buf; nfs41_fobx->acl_len = entry->buf_len; KeQuerySystemTime(&nfs41_fobx->time); } else if (entry->status == STATUS_SUCCESS) { PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR) RxContext->CurrentIrp->UserBuffer; RtlCopyMemory(sec_desc, entry->buf, entry->buf_len); #ifdef ENABLE_TIMINGS InterlockedIncrement(&getacl.sops); InterlockedAdd64(&getacl.size, entry->u.Acl.buf_len); #endif RxFreePool(entry->buf); nfs41_fobx->acl = NULL; nfs41_fobx->acl_len = 0; RxContext->IoStatusBlock.Information = RxContext->InformationToReturn = entry->buf_len; RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS; } else { status = map_query_acl_error(entry->status); } RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); /* only count getacl that we made an upcall for */ if (status == STATUS_BUFFER_OVERFLOW) { InterlockedIncrement(&getacl.tops); InterlockedAdd64(&getacl.ticks, t2.QuadPart - t1.QuadPart); } #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_QuerySecurityInformation: delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, getacl.tops, getacl.ticks); #endif #endif #ifdef DEBUG_ACL_QUERY DbgEx(); #endif return status; } NTSTATUS check_nfs41_setacl_args( PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_SUCCESS; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot); SECURITY_INFORMATION info_class = RxContext->CurrentIrpSp->Parameters.SetSecurity.SecurityInformation; if (pVNetRootContext->read_only) { print_error("check_nfs41_setacl_args: Read-only mount\n"); status = STATUS_ACCESS_DENIED; goto out; } /* we don't support sacls */ if (info_class == SACL_SECURITY_INFORMATION || info_class == LABEL_SECURITY_INFORMATION) { status = STATUS_NOT_SUPPORTED; goto out; } out: return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_SetSecurityInformation( #else NTSTATUS nfs41_SetSecurityInformation( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_NOT_SUPPORTED; nfs41_updowncall_entry *entry; __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PSECURITY_DESCRIPTOR sec_desc = RxContext->CurrentIrpSp->Parameters.SetSecurity.SecurityDescriptor; __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb); SECURITY_INFORMATION info_class = RxContext->CurrentIrpSp->Parameters.SetSecurity.SecurityInformation; #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_ACL_SET DbgEn(); print_debug_header(RxContext); print_acl_args(info_class); #endif status = check_nfs41_setacl_args(RxContext); if (status) goto out; /* check that ACL is present */ if (info_class & DACL_SECURITY_INFORMATION) { PACL acl; BOOLEAN present, dacl_default; status = RtlGetDaclSecurityDescriptor(sec_desc, &present, &acl, &dacl_default); if (status) { DbgP("RtlGetDaclSecurityDescriptor failed %x\n", status); goto out; } if (present == FALSE) { DbgP("NO ACL present\n"); goto out; } } status = nfs41_UpcallCreate(NFS41_ACL_SET, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.Acl.query = info_class; entry->buf = sec_desc; entry->buf_len = RtlLengthSecurityDescriptor(sec_desc); #ifdef ENABLE_TIMINGS InterlockedIncrement(&setacl.sops); InterlockedAdd64(&setacl.size, entry->u.Acl.buf_len); #endif status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); if (status) goto out; status = map_query_acl_error(entry->status); if (!status) { if (!nfs41_fobx->deleg_type && entry->ChangeTime && (SrvOpen->DesiredAccess & (FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA))) nfs41_update_fcb_list(RxContext->pFcb, entry->ChangeTime); nfs41_fcb->changeattr = entry->ChangeTime; } RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&setacl.tops); InterlockedAdd64(&setacl.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_SetSecurityInformation delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, setacl.tops, setacl.ticks); #endif #endif #ifdef DEBUG_ACL_SET DbgEx(); #endif return status; } NTSTATUS map_queryfile_error( DWORD error) { switch (error) { case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED; case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED; case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER; default: print_error("failed to map windows error %d to NTSTATUS; " "defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", error); case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE; } } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_QueryFileInformation( #else NTSTATUS nfs41_QueryFileInformation( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_OBJECT_NAME_NOT_FOUND; FILE_INFORMATION_CLASS InfoClass = RxContext->Info.FileInformationClass; nfs41_updowncall_entry *entry; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb); __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_FILE_QUERY DbgEn(); print_debug_filedirquery_header(RxContext); #endif status = check_nfs41_dirquery_args(RxContext); if (status) goto out; switch (InfoClass) { case FileEaInformation: { PFILE_EA_INFORMATION info = (PFILE_EA_INFORMATION)RxContext->Info.Buffer; info->EaSize = 0; RxContext->Info.LengthRemaining -= sizeof(FILE_EA_INFORMATION); status = STATUS_SUCCESS; goto out; } case FileBasicInformation: case FileStandardInformation: case FileInternalInformation: case FileAttributeTagInformation: case FileNetworkOpenInformation: break; default: print_error("nfs41_QueryFileInformation: unhandled class %d\n", InfoClass); status = STATUS_NOT_SUPPORTED; goto out; } status = nfs41_UpcallCreate(NFS41_FILE_QUERY, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.QueryFile.InfoClass = InfoClass; entry->buf = RxContext->Info.Buffer; entry->buf_len = RxContext->Info.LengthRemaining; status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); if (status) goto out; if (entry->status == STATUS_BUFFER_TOO_SMALL) { RxContext->InformationToReturn = entry->buf_len; status = STATUS_BUFFER_TOO_SMALL; } else if (entry->status == STATUS_SUCCESS) { BOOLEAN DeletePending = FALSE; #ifdef ENABLE_TIMINGS InterlockedIncrement(&getattr.sops); InterlockedAdd64(&getattr.size, entry->u.QueryFile.buf_len); #endif RxContext->Info.LengthRemaining -= entry->buf_len; status = STATUS_SUCCESS; switch (InfoClass) { case FileBasicInformation: RtlCopyMemory(&nfs41_fcb->BasicInfo, RxContext->Info.Buffer, sizeof(nfs41_fcb->BasicInfo)); #ifdef DEBUG_FILE_QUERY print_basic_info(1, &nfs41_fcb->BasicInfo); #endif break; case FileStandardInformation: /* this a fix for RDBSS behaviour when it first calls ExtendForCache, * then it sends a file query irp for standard attributes and * expects to receive EndOfFile of value set by the ExtendForCache. * It seems to cache the filesize based on that instead of sending * a file size query for after doing the write. */ { PFILE_STANDARD_INFORMATION std_info; std_info = (PFILE_STANDARD_INFORMATION)RxContext->Info.Buffer; if (nfs41_fcb->StandardInfo.AllocationSize.QuadPart > std_info->AllocationSize.QuadPart) { #ifdef DEBUG_FILE_QUERY DbgP("Old AllocationSize is bigger: saving %x\n", nfs41_fcb->StandardInfo.AllocationSize.QuadPart); #endif std_info->AllocationSize.QuadPart = nfs41_fcb->StandardInfo.AllocationSize.QuadPart; } if (nfs41_fcb->StandardInfo.EndOfFile.QuadPart > std_info->EndOfFile.QuadPart) { #ifdef DEBUG_FILE_QUERY DbgP("Old EndOfFile is bigger: saving %x\n", nfs41_fcb->StandardInfo.EndOfFile); #endif std_info->EndOfFile.QuadPart = nfs41_fcb->StandardInfo.EndOfFile.QuadPart; } std_info->DeletePending = nfs41_fcb->DeletePending; } if (nfs41_fcb->StandardInfo.DeletePending) DeletePending = TRUE; RtlCopyMemory(&nfs41_fcb->StandardInfo, RxContext->Info.Buffer, sizeof(nfs41_fcb->StandardInfo)); nfs41_fcb->StandardInfo.DeletePending = DeletePending; #ifdef DEBUG_FILE_QUERY print_std_info(1, &nfs41_fcb->StandardInfo); #endif break; } } else { status = map_queryfile_error(entry->status); } RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&getattr.tops); InterlockedAdd64(&getattr.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_QueryFileInformation delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, getattr.tops, getattr.ticks); #endif #endif #ifdef DEBUG_FILE_QUERY DbgEx(); #endif return status; } NTSTATUS map_setfile_error( DWORD error) { switch (error) { case NO_ERROR: return STATUS_SUCCESS; case ERROR_NOT_EMPTY: return STATUS_DIRECTORY_NOT_EMPTY; case ERROR_FILE_EXISTS: return STATUS_OBJECT_NAME_COLLISION; case ERROR_FILE_NOT_FOUND: return STATUS_OBJECT_NAME_NOT_FOUND; case ERROR_PATH_NOT_FOUND: return STATUS_OBJECT_PATH_NOT_FOUND; case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED; case ERROR_FILE_INVALID: return STATUS_FILE_INVALID; case ERROR_NOT_SAME_DEVICE: return STATUS_NOT_SAME_DEVICE; case ERROR_NOT_SUPPORTED: return STATUS_NOT_IMPLEMENTED; case ERROR_NETWORK_ACCESS_DENIED: return STATUS_NETWORK_ACCESS_DENIED; case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED; case ERROR_BUFFER_OVERFLOW: return STATUS_INSUFFICIENT_RESOURCES; default: print_error("failed to map windows error %d to NTSTATUS; " "defaulting to STATUS_INVALID_PARAMETER\n", error); case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER; } } NTSTATUS check_nfs41_setattr_args( IN PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_SUCCESS; FILE_INFORMATION_CLASS InfoClass = RxContext->Info.FileInformationClass; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot); if (pVNetRootContext->read_only) { print_error("check_nfs41_setattr_args: Read-only mount\n"); status = STATUS_ACCESS_DENIED; goto out; } /* http://msdn.microsoft.com/en-us/library/ff469355(v=PROT.10).aspx * http://msdn.microsoft.com/en-us/library/ff469424(v=PROT.10).aspx * If Open.GrantedAccess does not contain FILE_WRITE_DATA, the operation * MUST be failed with STATUS_ACCESS_DENIED. */ if (InfoClass == FileAllocationInformation || InfoClass == FileEndOfFileInformation) { if (!(RxContext->pRelevantSrvOpen->DesiredAccess & FILE_WRITE_DATA)) { status = STATUS_ACCESS_DENIED; goto out; } } status = check_nfs41_dirquery_args(RxContext); if (status) goto out; switch (InfoClass) { case FileRenameInformation: { PFILE_RENAME_INFORMATION rinfo = (PFILE_RENAME_INFORMATION)RxContext->Info.Buffer; UNICODE_STRING dst = { (USHORT)rinfo->FileNameLength, (USHORT)rinfo->FileNameLength, rinfo->FileName }; #ifdef DEBUG_FILE_SET DbgP("Attempting to rename to '%wZ'\n", &dst); #endif if (isFilenameTooLong(&dst, pVNetRootContext)) { status = STATUS_OBJECT_NAME_INVALID; goto out; } if (rinfo->RootDirectory) { status = STATUS_INVALID_PARAMETER; goto out; } break; } case FileLinkInformation: { PFILE_LINK_INFORMATION linfo = (PFILE_LINK_INFORMATION)RxContext->Info.Buffer; UNICODE_STRING dst = { (USHORT)linfo->FileNameLength, (USHORT)linfo->FileNameLength, linfo->FileName }; #ifdef DEBUG_FILE_SET DbgP("Attempting to add link as '%wZ'\n", &dst); #endif if (isFilenameTooLong(&dst, pVNetRootContext)) { status = STATUS_OBJECT_NAME_INVALID; goto out; } if (linfo->RootDirectory) { status = STATUS_INVALID_PARAMETER; goto out; } break; } case FileDispositionInformation: { PFILE_DISPOSITION_INFORMATION dinfo = (PFILE_DISPOSITION_INFORMATION)RxContext->Info.Buffer; __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb); if (dinfo->DeleteFile && nfs41_fcb->DeletePending) { status = STATUS_DELETE_PENDING; goto out; } break; } case FileBasicInformation: case FileAllocationInformation: case FileEndOfFileInformation: break; default: print_error("nfs41_SetFileInformation: unhandled class %d\n", InfoClass); status = STATUS_NOT_SUPPORTED; } out: return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_SetFileInformation( #else NTSTATUS nfs41_SetFileInformation( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_INVALID_PARAMETER; nfs41_updowncall_entry *entry; FILE_INFORMATION_CLASS InfoClass = RxContext->Info.FileInformationClass; FILE_RENAME_INFORMATION rinfo; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb); __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_FILE_SET DbgEn(); print_debug_filedirquery_header(RxContext); #endif status = check_nfs41_setattr_args(RxContext); if (status) goto out; switch (InfoClass) { case FileDispositionInformation: { PFILE_DISPOSITION_INFORMATION dinfo = (PFILE_DISPOSITION_INFORMATION)RxContext->Info.Buffer; if (dinfo->DeleteFile) { nfs41_fcb->DeletePending = TRUE; // we can delete directories right away if (nfs41_fcb->StandardInfo.Directory) break; nfs41_fcb->StandardInfo.DeletePending = TRUE; if (RxContext->pFcb->OpenCount > 1) { rinfo.ReplaceIfExists = 0; rinfo.RootDirectory = INVALID_HANDLE_VALUE; rinfo.FileNameLength = 0; rinfo.FileName[0] = L'\0'; InfoClass = FileRenameInformation; nfs41_fcb->Renamed = TRUE; break; } } else { /* section 4.3.3 of [FSBO] * "file system behavior in the microsoft windows environment" */ if (nfs41_fcb->DeletePending) { nfs41_fcb->DeletePending = 0; nfs41_fcb->StandardInfo.DeletePending = 0; } } status = STATUS_SUCCESS; goto out; } case FileEndOfFileInformation: { PFILE_END_OF_FILE_INFORMATION info = (PFILE_END_OF_FILE_INFORMATION)RxContext->Info.Buffer; nfs41_fcb->StandardInfo.AllocationSize = nfs41_fcb->StandardInfo.EndOfFile = info->EndOfFile; break; } case FileRenameInformation: { /* noop if filename and destination are the same */ PFILE_RENAME_INFORMATION prinfo = (PFILE_RENAME_INFORMATION)RxContext->Info.Buffer; const UNICODE_STRING dst = { (USHORT)prinfo->FileNameLength, (USHORT)prinfo->FileNameLength, prinfo->FileName }; if (RtlCompareUnicodeString(&dst, SrvOpen->pAlreadyPrefixedName, FALSE) == 0) { status = STATUS_SUCCESS; goto out; } } } status = nfs41_UpcallCreate(NFS41_FILE_SET, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.SetFile.InfoClass = InfoClass; /* original irp has infoclass for remove but we need to rename instead, * thus we changed the local variable infoclass */ if (RxContext->Info.FileInformationClass == FileDispositionInformation && InfoClass == FileRenameInformation) { entry->buf = &rinfo; entry->buf_len = sizeof(rinfo); } else { entry->buf = RxContext->Info.Buffer; entry->buf_len = RxContext->Info.Length; } #ifdef ENABLE_TIMINGS InterlockedIncrement(&setattr.sops); InterlockedAdd64(&setattr.size, entry->u.SetFile.buf_len); #endif status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); if (status) goto out; status = map_setfile_error(entry->status); if (!status) { if (!nfs41_fobx->deleg_type && entry->ChangeTime && (SrvOpen->DesiredAccess & (FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA))) nfs41_update_fcb_list(RxContext->pFcb, entry->ChangeTime); nfs41_fcb->changeattr = entry->ChangeTime; } RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&setattr.tops); InterlockedAdd64(&setattr.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_SetFileInformation delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, setattr.tops, setattr.ticks); #endif #endif #ifdef DEBUG_FILE_SET DbgEx(); #endif return status; } NTSTATUS nfs41_SetFileInformationAtCleanup( IN OUT PRX_CONTEXT RxContext) { NTSTATUS status; DbgEn(); status = nfs41_SetFileInformation(RxContext); DbgEx(); return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_IsValidDirectory ( #else NTSTATUS nfs41_IsValidDirectory ( #endif IN OUT PRX_CONTEXT RxContext, IN PUNICODE_STRING DirectoryName) { return STATUS_SUCCESS; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_ComputeNewBufferingState( #else NTSTATUS nfs41_ComputeNewBufferingState( #endif IN OUT PMRX_SRV_OPEN pSrvOpen, IN PVOID pMRxContext, OUT ULONG *pNewBufferingState) { NTSTATUS status = STATUS_SUCCESS; ULONG flag = PtrToUlong(pMRxContext), oldFlags = pSrvOpen->BufferingFlags; switch(flag) { case DISABLE_CACHING: if (pSrvOpen->BufferingFlags & (FCB_STATE_READBUFFERING_ENABLED | FCB_STATE_READCACHING_ENABLED)) pSrvOpen->BufferingFlags &= ~(FCB_STATE_READBUFFERING_ENABLED | FCB_STATE_READCACHING_ENABLED); if (pSrvOpen->BufferingFlags & (FCB_STATE_WRITECACHING_ENABLED | FCB_STATE_WRITEBUFFERING_ENABLED)) pSrvOpen->BufferingFlags &= ~(FCB_STATE_WRITECACHING_ENABLED | FCB_STATE_WRITEBUFFERING_ENABLED); pSrvOpen->BufferingFlags |= FCB_STATE_DISABLE_LOCAL_BUFFERING; break; case ENABLE_READ_CACHING: pSrvOpen->BufferingFlags |= (FCB_STATE_READBUFFERING_ENABLED | FCB_STATE_READCACHING_ENABLED); break; case ENABLE_WRITE_CACHING: pSrvOpen->BufferingFlags |= (FCB_STATE_WRITECACHING_ENABLED | FCB_STATE_WRITEBUFFERING_ENABLED); break; case ENABLE_READWRITE_CACHING: pSrvOpen->BufferingFlags = (FCB_STATE_READBUFFERING_ENABLED | FCB_STATE_READCACHING_ENABLED | FCB_STATE_WRITECACHING_ENABLED | FCB_STATE_WRITEBUFFERING_ENABLED); } #ifdef DEBUG_TIME_BASED_COHERENCY DbgP("nfs41_ComputeNewBufferingState: %wZ pSrvOpen %p Old %08x New %08x\n", pSrvOpen->pAlreadyPrefixedName, pSrvOpen, oldFlags, pSrvOpen->BufferingFlags); *pNewBufferingState = pSrvOpen->BufferingFlags; #endif return status; } void print_readwrite_args( PRX_CONTEXT RxContext) { PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; print_debug_header(RxContext); DbgP("Bytecount 0x%x Byteoffset 0x%x Buffer %p\n", LowIoContext->ParamsFor.ReadWrite.ByteCount, LowIoContext->ParamsFor.ReadWrite.ByteOffset, LowIoContext->ParamsFor.ReadWrite.Buffer); } void enable_caching( PMRX_SRV_OPEN SrvOpen, PNFS41_FOBX nfs41_fobx, ULONGLONG ChangeTime, HANDLE session) { ULONG flag = 0; PLIST_ENTRY pEntry; nfs41_fcb_list_entry *cur; BOOLEAN found = FALSE; if (SrvOpen->DesiredAccess & FILE_READ_DATA) flag = ENABLE_READ_CACHING; if ((SrvOpen->DesiredAccess & FILE_WRITE_DATA) && !nfs41_fobx->write_thru) flag = ENABLE_WRITE_CACHING; if ((SrvOpen->DesiredAccess & FILE_READ_DATA) && (SrvOpen->DesiredAccess & FILE_WRITE_DATA) && !nfs41_fobx->write_thru) flag = ENABLE_READWRITE_CACHING; #if defined(DEBUG_TIME_BASED_COHERENCY) || \ defined(DEBUG_WRITE) || defined(DEBUG_READ) print_caching_level(1, flag, SrvOpen->pAlreadyPrefixedName); #endif if (!flag) return; RxChangeBufferingState((PSRV_OPEN)SrvOpen, ULongToPtr(flag), 1); ExAcquireFastMutex(&fcblistLock); pEntry = openlist.head.Flink; while (!IsListEmpty(&openlist.head)) { cur = (nfs41_fcb_list_entry *)CONTAINING_RECORD(pEntry, nfs41_fcb_list_entry, next); if (cur->fcb == SrvOpen->pFcb) { #ifdef DEBUG_TIME_BASED_COHERENCY DbgP("enable_caching: Looked&Found match for fcb=%p %wZ\n", SrvOpen->pFcb, SrvOpen->pAlreadyPrefixedName); #endif cur->skip = FALSE; found = TRUE; break; } if (pEntry->Flink == &openlist.head) { #ifdef DEBUG_TIME_BASED_COHERENCY DbgP("enable_caching: reached EOL looking for fcb=%p %wZ\n", SrvOpen->pFcb, SrvOpen->pAlreadyPrefixedName); #endif break; } pEntry = pEntry->Flink; } if (!found && nfs41_fobx->deleg_type) { nfs41_fcb_list_entry *oentry; #ifdef DEBUG_TIME_BASED_COHERENCY DbgP("enable_caching: delegation recalled: srv_open=%p\n", SrvOpen); #endif oentry = RxAllocatePoolWithTag(NonPagedPool, sizeof(nfs41_fcb_list_entry), NFS41_MM_POOLTAG_OPEN); if (oentry == NULL) return; oentry->fcb = SrvOpen->pFcb; oentry->session = session; oentry->nfs41_fobx = nfs41_fobx; oentry->ChangeTime = ChangeTime; oentry->skip = FALSE; InsertTailList(&openlist.head, &oentry->next); nfs41_fobx->deleg_type = 0; } ExReleaseFastMutex(&fcblistLock); } NTSTATUS map_readwrite_errors( DWORD status) { switch (status) { case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED; case ERROR_HANDLE_EOF: return STATUS_END_OF_FILE; case ERROR_FILE_INVALID: return STATUS_FILE_INVALID; case ERROR_INVALID_PARAMETER: return STATUS_INVALID_PARAMETER; case ERROR_LOCK_VIOLATION: return STATUS_FILE_LOCK_CONFLICT; case ERROR_NETWORK_ACCESS_DENIED: return STATUS_NETWORK_ACCESS_DENIED; case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED; default: print_error("failed to map windows error %d to NTSTATUS; " "defaulting to STATUS_NET_WRITE_FAULT\n", status); case ERROR_NET_WRITE_FAULT: return STATUS_NET_WRITE_FAULT; } } NTSTATUS check_nfs41_read_args( IN PRX_CONTEXT RxContext) { if (!RxContext->LowIoContext.ParamsFor.ReadWrite.Buffer) return STATUS_INVALID_USER_BUFFER; return STATUS_SUCCESS; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_Read( #else NTSTATUS nfs41_Read( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES; nfs41_updowncall_entry *entry; BOOLEAN async = FALSE; PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb); __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); DWORD io_delay; #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_READ DbgEn(); print_readwrite_args(RxContext); #endif status = check_nfs41_read_args(RxContext); if (status) goto out; status = nfs41_UpcallCreate(NFS41_READ, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.ReadWrite.MdlAddress = LowIoContext->ParamsFor.ReadWrite.Buffer; entry->buf_len = LowIoContext->ParamsFor.ReadWrite.ByteCount; entry->u.ReadWrite.offset = LowIoContext->ParamsFor.ReadWrite.ByteOffset; if (FlagOn(RxContext->CurrentIrpSp->FileObject->Flags, FO_SYNCHRONOUS_IO) == FALSE) { entry->u.ReadWrite.rxcontext = RxContext; async = entry->async_op = TRUE; } /* assume network speed is 100MB/s and disk speed is 100MB/s so add * time to transfer requested bytes over the network and read from disk */ io_delay = pVNetRootContext->timeout + 2 * entry->buf_len / 104857600; status = nfs41_UpcallWaitForReply(entry, io_delay); if (status) goto out; if (async) { #ifdef DEBUG_READ DbgP("This is asynchronous read, returning control back to the user\n"); #endif status = STATUS_PENDING; goto out; } if (entry->status == NO_ERROR) { #ifdef ENABLE_TIMINGS InterlockedIncrement(&read.sops); InterlockedAdd64(&read.size, entry->u.ReadWrite.len); #endif status = RxContext->CurrentIrp->IoStatus.Status = STATUS_SUCCESS; RxContext->IoStatusBlock.Information = entry->buf_len; if ((!BooleanFlagOn(LowIoContext->ParamsFor.ReadWrite.Flags, LOWIO_READWRITEFLAG_PAGING_IO) && (SrvOpen->DesiredAccess & FILE_READ_DATA) && !pVNetRootContext->nocache && !nfs41_fobx->nocache && !(SrvOpen->BufferingFlags & (FCB_STATE_READBUFFERING_ENABLED | FCB_STATE_READCACHING_ENABLED)))) { enable_caching(SrvOpen, nfs41_fobx, nfs41_fcb->changeattr, pVNetRootContext->session); } } else { status = map_readwrite_errors(entry->status); RxContext->CurrentIrp->IoStatus.Status = status; RxContext->IoStatusBlock.Information = 0; } RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&read.tops); InterlockedAdd64(&read.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_Read delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, read.tops, read.ticks); #endif #endif #ifdef DEBUG_READ DbgEx(); #endif return status; } NTSTATUS check_nfs41_write_args( IN PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_SUCCESS; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(RxContext->pRelevantSrvOpen->pVNetRoot); if (!RxContext->LowIoContext.ParamsFor.ReadWrite.Buffer) { status = STATUS_INVALID_USER_BUFFER; goto out; } if (pVNetRootContext->read_only) { print_error("check_nfs41_write_args: Read-only mount\n"); status = STATUS_ACCESS_DENIED; goto out; } out: return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_Write( #else NTSTATUS nfs41_Write( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_INSUFFICIENT_RESOURCES; nfs41_updowncall_entry *entry; BOOLEAN async = FALSE; PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); __notnull PNFS41_FCB nfs41_fcb = NFS41GetFcbExtension(RxContext->pFcb); __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); DWORD io_delay; #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_WRITE DbgEn(); print_readwrite_args(RxContext); #endif status = check_nfs41_write_args(RxContext); if (status) goto out; status = nfs41_UpcallCreate(NFS41_WRITE, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.ReadWrite.MdlAddress = LowIoContext->ParamsFor.ReadWrite.Buffer; entry->buf_len = LowIoContext->ParamsFor.ReadWrite.ByteCount; entry->u.ReadWrite.offset = LowIoContext->ParamsFor.ReadWrite.ByteOffset; if (FlagOn(RxContext->CurrentIrpSp->FileObject->Flags, FO_SYNCHRONOUS_IO) == FALSE) { entry->u.ReadWrite.rxcontext = RxContext; async = entry->async_op = TRUE; } /* assume network speed is 100MB/s and disk speed is 100MB/s so add * time to transfer requested bytes over the network and write to disk */ io_delay = pVNetRootContext->timeout + 2 * entry->buf_len / 104857600; status = nfs41_UpcallWaitForReply(entry, io_delay); if (status) goto out; if (async) { #ifdef DEBUG_WRITE DbgP("This is asynchronous write, returning control back to the user\n"); #endif status = STATUS_PENDING; goto out; } if (entry->status == NO_ERROR) { //update cached file attributes #ifdef ENABLE_TIMINGS InterlockedIncrement(&write.sops); InterlockedAdd64(&write.size, entry->u.ReadWrite.len); #endif nfs41_fcb->StandardInfo.EndOfFile.QuadPart = entry->buf_len + entry->u.ReadWrite.offset; status = RxContext->CurrentIrp->IoStatus.Status = STATUS_SUCCESS; RxContext->IoStatusBlock.Information = entry->buf_len; nfs41_fcb->changeattr = entry->ChangeTime; //re-enable write buffering if (!BooleanFlagOn(LowIoContext->ParamsFor.ReadWrite.Flags, LOWIO_READWRITEFLAG_PAGING_IO) && (SrvOpen->DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA)) && !pVNetRootContext->write_thru && !pVNetRootContext->nocache && !nfs41_fobx->write_thru && !nfs41_fobx->nocache && !(SrvOpen->BufferingFlags & (FCB_STATE_WRITEBUFFERING_ENABLED | FCB_STATE_WRITECACHING_ENABLED))) { enable_caching(SrvOpen, nfs41_fobx, nfs41_fcb->changeattr, pVNetRootContext->session); } else if (!nfs41_fobx->deleg_type) nfs41_update_fcb_list(RxContext->pFcb, entry->ChangeTime); } else { status = map_readwrite_errors(entry->status); RxContext->CurrentIrp->IoStatus.Status = status; RxContext->IoStatusBlock.Information = 0; } RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&write.tops); InterlockedAdd64(&write.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_Write delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, write.tops, write.ticks); #endif #endif #ifdef DEBUG_WRITE DbgEx(); #endif return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_IsLockRealizable( #else NTSTATUS nfs41_IsLockRealizable( #endif IN OUT PMRX_FCB pFcb, IN PLARGE_INTEGER ByteOffset, IN PLARGE_INTEGER Length, IN ULONG LowIoLockFlags) { NTSTATUS status = STATUS_SUCCESS; #ifdef DEBUG_LOCK DbgEn(); DbgP("offset 0x%llx, length 0x%llx, exclusive=%u, blocking=%u\n", ByteOffset->QuadPart,Length->QuadPart, BooleanFlagOn(LowIoLockFlags, SL_EXCLUSIVE_LOCK), !BooleanFlagOn(LowIoLockFlags, SL_FAIL_IMMEDIATELY)); #endif /* NFS lock operations with length=0 MUST fail with NFS4ERR_INVAL */ if (Length->QuadPart == 0) status = STATUS_NOT_SUPPORTED; #ifdef DEBUG_LOCK DbgEx(); #endif return status; } NTSTATUS map_lock_errors( DWORD status) { switch (status) { case NO_ERROR: return STATUS_SUCCESS; case ERROR_NETNAME_DELETED: return STATUS_NETWORK_NAME_DELETED; case ERROR_LOCK_FAILED: return STATUS_LOCK_NOT_GRANTED; case ERROR_NOT_LOCKED: return STATUS_RANGE_NOT_LOCKED; case ERROR_ATOMIC_LOCKS_NOT_SUPPORTED: return STATUS_UNSUCCESSFUL; case ERROR_OUTOFMEMORY: return STATUS_INSUFFICIENT_RESOURCES; case ERROR_SHARING_VIOLATION: return STATUS_SHARING_VIOLATION; case ERROR_FILE_INVALID: return STATUS_FILE_INVALID; /* if we return ERROR_INVALID_PARAMETER, Windows translates that to * success!! */ case ERROR_INVALID_PARAMETER: return STATUS_LOCK_NOT_GRANTED; default: print_error("failed to map windows error %d to NTSTATUS; " "defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", status); case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE; } } void print_lock_args( PRX_CONTEXT RxContext) { PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; const ULONG flags = LowIoContext->ParamsFor.Locks.Flags; print_debug_header(RxContext); DbgP("offset 0x%llx, length 0x%llx, exclusive=%u, blocking=%u\n", LowIoContext->ParamsFor.Locks.ByteOffset, LowIoContext->ParamsFor.Locks.Length, BooleanFlagOn(flags, SL_EXCLUSIVE_LOCK), !BooleanFlagOn(flags, SL_FAIL_IMMEDIATELY)); } /* use exponential backoff between polls for blocking locks */ #define MSEC_TO_RELATIVE_WAIT (-10000) #define MIN_LOCK_POLL_WAIT (500 * MSEC_TO_RELATIVE_WAIT) /* 500ms */ #define MAX_LOCK_POLL_WAIT (30000 * MSEC_TO_RELATIVE_WAIT) /* 30s */ void denied_lock_backoff( IN OUT PLARGE_INTEGER delay) { if (delay->QuadPart == 0) delay->QuadPart = MIN_LOCK_POLL_WAIT; else delay->QuadPart <<= 1; if (delay->QuadPart < MAX_LOCK_POLL_WAIT) delay->QuadPart = MAX_LOCK_POLL_WAIT; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_Lock( #else NTSTATUS nfs41_Lock( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_SUCCESS; nfs41_updowncall_entry *entry; PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); const ULONG flags = LowIoContext->ParamsFor.Locks.Flags; #ifdef _MSC_VER LARGE_INTEGER poll_delay = {0}; #else LARGE_INTEGER poll_delay; #endif #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifndef _MSC_VER poll_delay.QuadPart = 0; #endif #ifdef DEBUG_LOCK DbgEn(); print_lock_args(RxContext); #endif /* RxReleaseFcbResourceForThreadInMRx(RxContext, RxContext->pFcb, LowIoContext->ResourceThreadId); */ status = nfs41_UpcallCreate(NFS41_LOCK, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.Lock.offset = LowIoContext->ParamsFor.Locks.ByteOffset; entry->u.Lock.length = LowIoContext->ParamsFor.Locks.Length; entry->u.Lock.exclusive = BooleanFlagOn(flags, SL_EXCLUSIVE_LOCK); entry->u.Lock.blocking = !BooleanFlagOn(flags, SL_FAIL_IMMEDIATELY); retry_upcall: status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); if (status) goto out; /* blocking locks keep trying until it succeeds */ if (entry->status == ERROR_LOCK_FAILED && entry->u.Lock.blocking) { denied_lock_backoff(&poll_delay); DbgP("returned ERROR_LOCK_FAILED; retrying in %llums\n", poll_delay.QuadPart / MSEC_TO_RELATIVE_WAIT); KeDelayExecutionThread(KernelMode, FALSE, &poll_delay); entry->state = NFS41_WAITING_FOR_UPCALL; goto retry_upcall; } status = map_lock_errors(entry->status); RxContext->CurrentIrp->IoStatus.Status = status; RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&lock.tops); InterlockedAdd64(&lock.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_Lock delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, lock.tops, lock.ticks); #endif #endif #ifdef DEBUG_LOCK DbgEx(); #endif return status; } void print_unlock_args( PRX_CONTEXT RxContext) { PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; print_debug_header(RxContext); if (LowIoContext->Operation == LOWIO_OP_UNLOCK_MULTIPLE) { PLOWIO_LOCK_LIST lock = LowIoContext->ParamsFor.Locks.LockList; DbgP("LOWIO_OP_UNLOCK_MULTIPLE:"); while (lock) { DbgP(" (offset=%llu, length=%llu)", lock->ByteOffset, lock->Length); lock = lock->Next; } DbgP("\n"); } else { DbgP("LOWIO_OP_UNLOCK: offset=%llu, length=%llu\n", LowIoContext->ParamsFor.Locks.ByteOffset, LowIoContext->ParamsFor.Locks.Length); } } __inline ULONG unlock_list_count( PLOWIO_LOCK_LIST lock) { ULONG count = 0; while (lock) { count++; lock = lock->Next; } return count; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_Unlock( #else NTSTATUS nfs41_Unlock( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_SUCCESS; nfs41_updowncall_entry *entry; PLOWIO_CONTEXT LowIoContext = &RxContext->LowIoContext; __notnull PNFS41_FOBX nfs41_fobx = NFS41GetFobxExtension(RxContext->pFobx); __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION pVNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); #ifdef ENABLE_TIMINGS LARGE_INTEGER t1, t2; t1 = KeQueryPerformanceCounter(NULL); #endif #ifdef DEBUG_LOCK DbgEn(); print_lock_args(RxContext); #endif /* RxReleaseFcbResourceForThreadInMRx(RxContext, RxContext->pFcb, LowIoContext->ResourceThreadId); */ status = nfs41_UpcallCreate(NFS41_UNLOCK, &nfs41_fobx->sec_ctx, pVNetRootContext->session, nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; if (LowIoContext->Operation == LOWIO_OP_UNLOCK_MULTIPLE) { entry->u.Unlock.count = unlock_list_count( LowIoContext->ParamsFor.Locks.LockList); RtlCopyMemory(&entry->u.Unlock.locks, LowIoContext->ParamsFor.Locks.LockList, sizeof(LOWIO_LOCK_LIST)); } else { entry->u.Unlock.count = 1; entry->u.Unlock.locks.ByteOffset = LowIoContext->ParamsFor.Locks.ByteOffset; entry->u.Unlock.locks.Length = LowIoContext->ParamsFor.Locks.Length; } status = nfs41_UpcallWaitForReply(entry, pVNetRootContext->timeout); if (status) goto out; status = map_lock_errors(entry->status); RxContext->CurrentIrp->IoStatus.Status = status; RxFreePool(entry); out: #ifdef ENABLE_TIMINGS t2 = KeQueryPerformanceCounter(NULL); InterlockedIncrement(&unlock.tops); InterlockedAdd64(&unlock.ticks, t2.QuadPart - t1.QuadPart); #ifdef ENABLE_INDV_TIMINGS DbgP("nfs41_Unlock delta = %d op=%d sum=%d\n", t2.QuadPart - t1.QuadPart, unlock.tops, unlock.ticks); #endif #endif #ifdef DEBUG_LOCK DbgEx(); #endif return status; } NTSTATUS map_symlink_errors( NTSTATUS status) { switch (status) { case NO_ERROR: return STATUS_SUCCESS; case ERROR_INVALID_REPARSE_DATA: return STATUS_IO_REPARSE_DATA_INVALID; case ERROR_NOT_A_REPARSE_POINT: return STATUS_NOT_A_REPARSE_POINT; case ERROR_ACCESS_DENIED: return STATUS_ACCESS_DENIED; case ERROR_NOT_EMPTY: return STATUS_DIRECTORY_NOT_EMPTY; case ERROR_OUTOFMEMORY: return STATUS_INSUFFICIENT_RESOURCES; case ERROR_INSUFFICIENT_BUFFER: return STATUS_BUFFER_TOO_SMALL; case STATUS_BUFFER_TOO_SMALL: case ERROR_BUFFER_OVERFLOW: return STATUS_BUFFER_OVERFLOW; default: print_error("failed to map windows error %d to NTSTATUS; " "defaulting to STATUS_INVALID_NETWORK_RESPONSE\n", status); case ERROR_BAD_NET_RESP: return STATUS_INVALID_NETWORK_RESPONSE; } } void print_reparse_buffer( PREPARSE_DATA_BUFFER Reparse) { UNICODE_STRING name; DbgP("ReparseTag: %08X\n", Reparse->ReparseTag); DbgP("ReparseDataLength: %8u\n", Reparse->ReparseDataLength); DbgP("Reserved: %8u\n", Reparse->Reserved); DbgP("SubstituteNameOffset: %8u\n", Reparse->SymbolicLinkReparseBuffer.SubstituteNameOffset); DbgP("SubstituteNameLength: %8u\n", Reparse->SymbolicLinkReparseBuffer.SubstituteNameLength); DbgP("PrintNameOffset: %8u\n", Reparse->SymbolicLinkReparseBuffer.PrintNameOffset); DbgP("PrintNameLength: %8u\n", Reparse->SymbolicLinkReparseBuffer.PrintNameLength); DbgP("Flags: %08X\n", Reparse->SymbolicLinkReparseBuffer.Flags); name.Buffer = &Reparse->SymbolicLinkReparseBuffer.PathBuffer[ Reparse->SymbolicLinkReparseBuffer.SubstituteNameOffset/sizeof(WCHAR)]; name.MaximumLength = name.Length = Reparse->SymbolicLinkReparseBuffer.SubstituteNameLength; DbgP("SubstituteName: %wZ\n", &name); name.Buffer = &Reparse->SymbolicLinkReparseBuffer.PathBuffer[ Reparse->SymbolicLinkReparseBuffer.PrintNameOffset/sizeof(WCHAR)]; name.MaximumLength = name.Length = Reparse->SymbolicLinkReparseBuffer.PrintNameLength; DbgP("PrintName: %wZ\n", &name); } NTSTATUS check_nfs41_setreparse_args( IN PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_SUCCESS; __notnull XXCTL_LOWIO_COMPONENT *FsCtl = &RxContext->LowIoContext.ParamsFor.FsCtl; __notnull PREPARSE_DATA_BUFFER Reparse = (PREPARSE_DATA_BUFFER)FsCtl->pInputBuffer; __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION VNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); const ULONG HeaderLen = REPARSE_DATA_BUFFER_HEADER_SIZE; /* access checks */ if (VNetRootContext->read_only) { status = STATUS_MEDIA_WRITE_PROTECTED; goto out; } if (!(SrvOpen->DesiredAccess & (FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES))) { status = STATUS_ACCESS_DENIED; goto out; } /* must have a filename longer than vnetroot name, * or it's trying to operate on the volume itself */ if (is_root_directory(RxContext)) { status = STATUS_INVALID_PARAMETER; goto out; } if (FsCtl->pOutputBuffer != NULL) { status = STATUS_INVALID_PARAMETER; goto out; } /* validate input buffer and length */ if (!Reparse) { status = STATUS_INVALID_BUFFER_SIZE; goto out; } if (FsCtl->InputBufferLength < HeaderLen || FsCtl->InputBufferLength > MAXIMUM_REPARSE_DATA_BUFFER_SIZE) { status = STATUS_IO_REPARSE_DATA_INVALID; goto out; } if (FsCtl->InputBufferLength != HeaderLen + Reparse->ReparseDataLength) { status = STATUS_IO_REPARSE_DATA_INVALID; goto out; } /* validate reparse tag */ if (!IsReparseTagValid(Reparse->ReparseTag)) { status = STATUS_IO_REPARSE_TAG_INVALID; goto out; } if (Reparse->ReparseTag != IO_REPARSE_TAG_SYMLINK) { status = STATUS_IO_REPARSE_TAG_MISMATCH; goto out; } out: return status; } NTSTATUS nfs41_SetReparsePoint( IN OUT PRX_CONTEXT RxContext) { NTSTATUS status; UNICODE_STRING TargetName; __notnull XXCTL_LOWIO_COMPONENT *FsCtl = &RxContext->LowIoContext.ParamsFor.FsCtl; __notnull PREPARSE_DATA_BUFFER Reparse = (PREPARSE_DATA_BUFFER)FsCtl->pInputBuffer; __notnull PNFS41_FOBX Fobx = NFS41GetFobxExtension(RxContext->pFobx); __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION VNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); nfs41_updowncall_entry *entry; #ifdef DEBUG_SYMLINK DbgEn(); print_debug_header(RxContext); print_reparse_buffer(Reparse); #endif status = check_nfs41_setreparse_args(RxContext); if (status) goto out; TargetName.MaximumLength = TargetName.Length = Reparse->SymbolicLinkReparseBuffer.PrintNameLength; TargetName.Buffer = &Reparse->SymbolicLinkReparseBuffer.PathBuffer[ Reparse->SymbolicLinkReparseBuffer.PrintNameOffset/sizeof(WCHAR)]; status = nfs41_UpcallCreate(NFS41_SYMLINK, &Fobx->sec_ctx, VNetRootContext->session, Fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.Symlink.target = &TargetName; entry->u.Symlink.set = TRUE; status = nfs41_UpcallWaitForReply(entry, VNetRootContext->timeout); if (status) goto out; status = map_symlink_errors(entry->status); RxFreePool(entry); out: #ifdef DEBUG_SYMLINK DbgEx(); #endif return status; } NTSTATUS check_nfs41_getreparse_args( PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_SUCCESS; XXCTL_LOWIO_COMPONENT *FsCtl = &RxContext->LowIoContext.ParamsFor.FsCtl; const USHORT HeaderLen = FIELD_OFFSET(REPARSE_DATA_BUFFER, SymbolicLinkReparseBuffer.PathBuffer); /* must have a filename longer than vnetroot name, * or it's trying to operate on the volume itself */ if (is_root_directory(RxContext)) { status = STATUS_INVALID_PARAMETER; goto out; } /* ifs reparse tests expect STATUS_INVALID_PARAMETER, * but 'dir' passes a buffer here when querying symlinks if (FsCtl->pInputBuffer != NULL) { status = STATUS_INVALID_PARAMETER; goto out; } */ if (!FsCtl->pOutputBuffer) { status = STATUS_INVALID_USER_BUFFER; goto out; } if (!BooleanFlagOn(RxContext->pFcb->Attributes, FILE_ATTRIBUTE_REPARSE_POINT)) { status = STATUS_NOT_A_REPARSE_POINT; DbgP("FILE_ATTRIBUTE_REPARSE_POINT is not set!\n"); goto out; } if (FsCtl->OutputBufferLength < HeaderLen) { RxContext->InformationToReturn = HeaderLen; status = STATUS_BUFFER_TOO_SMALL; goto out; } out: return status; } NTSTATUS nfs41_GetReparsePoint( IN OUT PRX_CONTEXT RxContext) { NTSTATUS status; UNICODE_STRING TargetName; XXCTL_LOWIO_COMPONENT *FsCtl = &RxContext->LowIoContext.ParamsFor.FsCtl; __notnull PNFS41_FOBX Fobx = NFS41GetFobxExtension(RxContext->pFobx); __notnull PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen; __notnull PNFS41_V_NET_ROOT_EXTENSION VNetRootContext = NFS41GetVNetRootExtension(SrvOpen->pVNetRoot); __notnull PNFS41_NETROOT_EXTENSION pNetRootContext = NFS41GetNetRootExtension(SrvOpen->pVNetRoot->pNetRoot); nfs41_updowncall_entry *entry; const USHORT HeaderLen = FIELD_OFFSET(REPARSE_DATA_BUFFER, SymbolicLinkReparseBuffer.PathBuffer); #ifdef DEBUG_SYMLINK DbgEn(); #endif status = check_nfs41_getreparse_args(RxContext); if (status) goto out; TargetName.Buffer = (PWCH)((PBYTE)FsCtl->pOutputBuffer + HeaderLen); TargetName.MaximumLength = (USHORT)min(FsCtl->OutputBufferLength - HeaderLen, 0xFFFF); status = nfs41_UpcallCreate(NFS41_SYMLINK, &Fobx->sec_ctx, VNetRootContext->session, Fobx->nfs41_open_state, pNetRootContext->nfs41d_version, SrvOpen->pAlreadyPrefixedName, &entry); if (status) goto out; entry->u.Symlink.target = &TargetName; entry->u.Symlink.set = FALSE; status = nfs41_UpcallWaitForReply(entry, VNetRootContext->timeout); if (status) goto out; status = map_symlink_errors(entry->status); if (status == STATUS_SUCCESS) { /* fill in the output buffer */ PREPARSE_DATA_BUFFER Reparse = (PREPARSE_DATA_BUFFER) FsCtl->pOutputBuffer; Reparse->ReparseTag = IO_REPARSE_TAG_SYMLINK; Reparse->ReparseDataLength = HeaderLen + TargetName.Length - REPARSE_DATA_BUFFER_HEADER_SIZE; Reparse->Reserved = 0; Reparse->SymbolicLinkReparseBuffer.Flags = SYMLINK_FLAG_RELATIVE; /* PrintName and SubstituteName point to the same string */ Reparse->SymbolicLinkReparseBuffer.SubstituteNameOffset = 0; Reparse->SymbolicLinkReparseBuffer.SubstituteNameLength = TargetName.Length; Reparse->SymbolicLinkReparseBuffer.PrintNameOffset = 0; Reparse->SymbolicLinkReparseBuffer.PrintNameLength = TargetName.Length; print_reparse_buffer(Reparse); RxContext->IoStatusBlock.Information = HeaderLen + TargetName.Length; } else if (status == STATUS_BUFFER_TOO_SMALL) { RxContext->InformationToReturn = HeaderLen + TargetName.Length; } RxFreePool(entry); out: #ifdef DEBUG_SYMLINK DbgEx(); #endif return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_FsCtl( #else NTSTATUS nfs41_FsCtl( #endif IN OUT PRX_CONTEXT RxContext) { NTSTATUS status = STATUS_INVALID_DEVICE_REQUEST; #ifdef DEBUG_MISC DbgEn(); print_debug_header(RxContext); #endif switch (RxContext->LowIoContext.ParamsFor.FsCtl.FsControlCode) { case FSCTL_SET_REPARSE_POINT: status = nfs41_SetReparsePoint(RxContext); break; case FSCTL_GET_REPARSE_POINT: status = nfs41_GetReparsePoint(RxContext); break; #ifdef DEBUG_MISC default: DbgP("FsControlCode: %d\n", RxContext->LowIoContext.ParamsFor.FsCtl.FsControlCode); #endif } #ifdef DEBUG_MISC DbgEx(); #endif return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_CompleteBufferingStateChangeRequest( #else NTSTATUS nfs41_CompleteBufferingStateChangeRequest( #endif IN OUT PRX_CONTEXT RxContext, IN OUT PMRX_SRV_OPEN SrvOpen, IN PVOID pContext) { return STATUS_SUCCESS; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_FsdDispatch ( #else NTSTATUS nfs41_FsdDispatch ( #endif IN PDEVICE_OBJECT dev, IN PIRP Irp) { #ifdef DEBUG_FSDDISPATCH PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation( Irp ); #endif NTSTATUS status; #ifdef DEBUG_FSDDISPATCH DbgEn(); DbgP("CURRENT IRP = %d.%d\n", IrpSp->MajorFunction, IrpSp->MinorFunction); if(IrpSp->FileObject) DbgP("FileOject %p Filename %wZ\n", IrpSp->FileObject, &IrpSp->FileObject->FileName); #endif if (dev != (PDEVICE_OBJECT)nfs41_dev) { print_error("*** not ours ***\n"); Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST; Irp->IoStatus.Information = 0; IoCompleteRequest(Irp, IO_NO_INCREMENT ); status = STATUS_INVALID_DEVICE_REQUEST; goto out; } status = RxFsdDispatch((PRDBSS_DEVICE_OBJECT)dev,Irp); /* AGLO: 08/05/2009 - looks like RxFsdDispatch frees IrpSp */ out: #ifdef DEBUG_FSDDISPATCH DbgP("IoStatus status = 0x%x info = 0x%x\n", Irp->IoStatus.Status, Irp->IoStatus.Information); DbgEx(); #endif return status; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_Unimplemented( #else NTSTATUS nfs41_Unimplemented( #endif PRX_CONTEXT RxContext) { return STATUS_NOT_IMPLEMENTED; } #ifdef __REACTOS__ NTSTATUS NTAPI nfs41_AreFilesAliased( #else NTSTATUS nfs41_AreFilesAliased( #endif PFCB a, PFCB b) { return STATUS_NOT_IMPLEMENTED; } NTSTATUS nfs41_init_ops() { DbgEn(); ZeroAndInitializeNodeType(&nfs41_ops, RDBSS_NTC_MINIRDR_DISPATCH, sizeof(MINIRDR_DISPATCH)); nfs41_ops.MRxFlags = (RDBSS_MANAGE_NET_ROOT_EXTENSION | RDBSS_MANAGE_V_NET_ROOT_EXTENSION | RDBSS_MANAGE_FCB_EXTENSION | RDBSS_MANAGE_FOBX_EXTENSION); nfs41_ops.MRxSrvCallSize = 0; // srvcall extension is not handled in rdbss nfs41_ops.MRxNetRootSize = sizeof(NFS41_NETROOT_EXTENSION); nfs41_ops.MRxVNetRootSize = sizeof(NFS41_V_NET_ROOT_EXTENSION); nfs41_ops.MRxFcbSize = sizeof(NFS41_FCB); nfs41_ops.MRxFobxSize = sizeof(NFS41_FOBX); // Mini redirector cancel routine .. nfs41_ops.MRxCancel = NULL; // // Mini redirector Start/Stop. Each mini-rdr can be started or stopped // while the others continue to operate. // nfs41_ops.MRxStart = nfs41_Start; nfs41_ops.MRxStop = nfs41_Stop; nfs41_ops.MRxDevFcbXXXControlFile = nfs41_DevFcbXXXControlFile; // // Mini redirector name resolution. // nfs41_ops.MRxCreateSrvCall = nfs41_CreateSrvCall; nfs41_ops.MRxSrvCallWinnerNotify = nfs41_SrvCallWinnerNotify; nfs41_ops.MRxCreateVNetRoot = nfs41_CreateVNetRoot; nfs41_ops.MRxExtractNetRootName = nfs41_ExtractNetRootName; nfs41_ops.MRxFinalizeSrvCall = nfs41_FinalizeSrvCall; nfs41_ops.MRxFinalizeNetRoot = nfs41_FinalizeNetRoot; nfs41_ops.MRxFinalizeVNetRoot = nfs41_FinalizeVNetRoot; // // File System Object Creation/Deletion. // nfs41_ops.MRxCreate = nfs41_Create; nfs41_ops.MRxCollapseOpen = nfs41_CollapseOpen; nfs41_ops.MRxShouldTryToCollapseThisOpen = nfs41_ShouldTryToCollapseThisOpen; nfs41_ops.MRxExtendForCache = nfs41_ExtendForCache; nfs41_ops.MRxExtendForNonCache = nfs41_ExtendForCache; nfs41_ops.MRxCloseSrvOpen = nfs41_CloseSrvOpen; nfs41_ops.MRxFlush = nfs41_Flush; nfs41_ops.MRxDeallocateForFcb = nfs41_DeallocateForFcb; nfs41_ops.MRxDeallocateForFobx = nfs41_DeallocateForFobx; nfs41_ops.MRxIsLockRealizable = nfs41_IsLockRealizable; // // File System Objects query/Set // nfs41_ops.MRxQueryDirectory = nfs41_QueryDirectory; nfs41_ops.MRxQueryVolumeInfo = nfs41_QueryVolumeInformation; nfs41_ops.MRxQueryEaInfo = nfs41_QueryEaInformation; nfs41_ops.MRxSetEaInfo = nfs41_SetEaInformation; nfs41_ops.MRxQuerySdInfo = nfs41_QuerySecurityInformation; nfs41_ops.MRxSetSdInfo = nfs41_SetSecurityInformation; nfs41_ops.MRxQueryFileInfo = nfs41_QueryFileInformation; nfs41_ops.MRxSetFileInfo = nfs41_SetFileInformation; // // Buffering state change // nfs41_ops.MRxComputeNewBufferingState = nfs41_ComputeNewBufferingState; // // File System Object I/O // nfs41_ops.MRxLowIOSubmit[LOWIO_OP_READ] = nfs41_Read; nfs41_ops.MRxLowIOSubmit[LOWIO_OP_WRITE] = nfs41_Write; nfs41_ops.MRxLowIOSubmit[LOWIO_OP_SHAREDLOCK] = nfs41_Lock; nfs41_ops.MRxLowIOSubmit[LOWIO_OP_EXCLUSIVELOCK] = nfs41_Lock; nfs41_ops.MRxLowIOSubmit[LOWIO_OP_UNLOCK] = nfs41_Unlock; nfs41_ops.MRxLowIOSubmit[LOWIO_OP_UNLOCK_MULTIPLE] = nfs41_Unlock; nfs41_ops.MRxLowIOSubmit[LOWIO_OP_FSCTL] = nfs41_FsCtl; // // Miscellanous // nfs41_ops.MRxCompleteBufferingStateChangeRequest = nfs41_CompleteBufferingStateChangeRequest; nfs41_ops.MRxIsValidDirectory = nfs41_IsValidDirectory; nfs41_ops.MRxTruncate = nfs41_Unimplemented; nfs41_ops.MRxZeroExtend = nfs41_Unimplemented; nfs41_ops.MRxAreFilesAliased = nfs41_AreFilesAliased; nfs41_ops.MRxQueryQuotaInfo = nfs41_Unimplemented; nfs41_ops.MRxSetQuotaInfo = nfs41_Unimplemented; nfs41_ops.MRxSetVolumeInfo = nfs41_Unimplemented; DbgR(); return(STATUS_SUCCESS); } KSTART_ROUTINE fcbopen_main; #ifdef __REACTOS__ VOID NTAPI fcbopen_main(PVOID ctx) #else VOID fcbopen_main(PVOID ctx) #endif { NTSTATUS status; LARGE_INTEGER timeout; DbgEn(); timeout.QuadPart = RELATIVE(SECONDS(30)); while(1) { PLIST_ENTRY pEntry; nfs41_fcb_list_entry *cur; status = KeDelayExecutionThread(KernelMode, TRUE, &timeout); ExAcquireFastMutex(&fcblistLock); pEntry = openlist.head.Flink; while (!IsListEmpty(&openlist.head)) { PNFS41_NETROOT_EXTENSION pNetRootContext; nfs41_updowncall_entry *entry; FILE_BASIC_INFORMATION binfo; PNFS41_FCB nfs41_fcb; cur = (nfs41_fcb_list_entry *)CONTAINING_RECORD(pEntry, nfs41_fcb_list_entry, next); #ifdef DEBUG_TIME_BASED_COHERENCY DbgP("fcbopen_main: Checking attributes for fcb=%p " "change_time=%llu skipping=%d\n", cur->fcb, cur->ChangeTime, cur->skip); #endif if (cur->skip) goto out; pNetRootContext = NFS41GetNetRootExtension(cur->fcb->pNetRoot); /* place an upcall for this srv_open */ status = nfs41_UpcallCreate(NFS41_FILE_QUERY, &cur->nfs41_fobx->sec_ctx, cur->session, cur->nfs41_fobx->nfs41_open_state, pNetRootContext->nfs41d_version, NULL, &entry); if (status) goto out; entry->u.QueryFile.InfoClass = FileBasicInformation; entry->buf = &binfo; entry->buf_len = sizeof(binfo); status = nfs41_UpcallWaitForReply(entry, UPCALL_TIMEOUT_DEFAULT); if (status) goto out; if (cur->ChangeTime != entry->ChangeTime) { ULONG flag = DISABLE_CACHING; PMRX_SRV_OPEN srv_open; PLIST_ENTRY psrvEntry; #ifdef DEBUG_TIME_BASED_COHERENCY DbgP("fcbopen_main: old ctime=%llu new_ctime=%llu\n", cur->ChangeTime, entry->ChangeTime); #endif cur->ChangeTime = entry->ChangeTime; cur->skip = TRUE; psrvEntry = &cur->fcb->SrvOpenList; psrvEntry = psrvEntry->Flink; while (!IsListEmpty(&cur->fcb->SrvOpenList)) { srv_open = (PMRX_SRV_OPEN)CONTAINING_RECORD(psrvEntry, MRX_SRV_OPEN, SrvOpenQLinks); if (srv_open->DesiredAccess & (FILE_READ_DATA | FILE_WRITE_DATA | FILE_APPEND_DATA)) { #ifdef DEBUG_TIME_BASED_COHERENCY DbgP("fcbopen_main: ************ Invalidate the cache %wZ" "************\n", srv_open->pAlreadyPrefixedName); #endif RxIndicateChangeOfBufferingStateForSrvOpen( cur->fcb->pNetRoot->pSrvCall, srv_open, srv_open->Key, ULongToPtr(flag)); } if (psrvEntry->Flink == &cur->fcb->SrvOpenList) { #ifdef DEBUG_TIME_BASED_COHERENCY DbgP("fcbopen_main: reached end of srvopen for fcb %p\n", cur->fcb); #endif break; } psrvEntry = psrvEntry->Flink; }; } nfs41_fcb = (PNFS41_FCB)cur->fcb->Context; nfs41_fcb->changeattr = entry->ChangeTime; RxFreePool(entry); out: if (pEntry->Flink == &openlist.head) { #ifdef DEBUG_TIME_BASED_COHERENCY DbgP("fcbopen_main: reached end of the fcb list\n"); #endif break; } pEntry = pEntry->Flink; } ExReleaseFastMutex(&fcblistLock); } DbgEx(); } #ifdef __REACTOS__ NTSTATUS NTAPI DriverEntry( #else NTSTATUS DriverEntry( #endif IN PDRIVER_OBJECT drv, IN PUNICODE_STRING path) { NTSTATUS status; ULONG flags = 0, i; UNICODE_STRING dev_name, user_dev_name; PNFS41_DEVICE_EXTENSION dev_exts; TIME_FIELDS jan_1_1970 = {1970, 1, 1, 0, 0, 0, 0, 0}; ACCESS_MASK mask = 0; OBJECT_ATTRIBUTES oattrs; DbgEn(); status = RxDriverEntry(drv, path); if (status != STATUS_SUCCESS) { print_error("RxDriverEntry failed: %08lx\n", status); goto out; } RtlInitUnicodeString(&dev_name, NFS41_DEVICE_NAME); SetFlag(flags, RX_REGISTERMINI_FLAG_DONT_PROVIDE_MAILSLOTS); status = nfs41_init_ops(); if (status != STATUS_SUCCESS) { print_error("nfs41_init_ops failed to initialize dispatch table\n"); goto out; } DbgP("calling RxRegisterMinirdr\n"); status = RxRegisterMinirdr(&nfs41_dev, drv, &nfs41_ops, flags, &dev_name, sizeof(NFS41_DEVICE_EXTENSION), FILE_DEVICE_NETWORK_FILE_SYSTEM, FILE_REMOTE_DEVICE); if (status != STATUS_SUCCESS) { print_error("RxRegisterMinirdr failed: %08lx\n", status); goto out; } #ifndef __REACTOS__ nfs41_dev->Flags |= DO_BUFFERED_IO; #endif dev_exts = (PNFS41_DEVICE_EXTENSION) ((PBYTE)(nfs41_dev) + sizeof(RDBSS_DEVICE_OBJECT)); RxDefineNode(dev_exts, NFS41_DEVICE_EXTENSION); dev_exts->DeviceObject = nfs41_dev; nfs41_create_volume_info((PFILE_FS_VOLUME_INFORMATION)dev_exts->VolAttrs, &dev_exts->VolAttrsLen); RtlInitUnicodeString(&user_dev_name, NFS41_SHADOW_DEVICE_NAME); DbgP("calling IoCreateSymbolicLink %wZ %wZ\n", &user_dev_name, &dev_name); status = IoCreateSymbolicLink(&user_dev_name, &dev_name); if (status != STATUS_SUCCESS) { print_error("Device name IoCreateSymbolicLink failed: %08lx\n", status); goto out_unregister; } KeInitializeEvent(&upcallEvent, SynchronizationEvent, FALSE ); ExInitializeFastMutex(&upcallLock); ExInitializeFastMutex(&downcallLock); ExInitializeFastMutex(&xidLock); ExInitializeFastMutex(&openOwnerLock); ExInitializeFastMutex(&fcblistLock); InitializeListHead(&upcall.head); InitializeListHead(&downcall.head); InitializeListHead(&openlist.head); InitializeObjectAttributes(&oattrs, NULL, OBJ_KERNEL_HANDLE, NULL, NULL); status = PsCreateSystemThread(&dev_exts->openlistHandle, mask, &oattrs, NULL, NULL, &fcbopen_main, NULL); if (status != STATUS_SUCCESS) goto out_unregister; drv->DriverUnload = nfs41_driver_unload; for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++) drv->MajorFunction[i] = (PDRIVER_DISPATCH)nfs41_FsdDispatch; RtlTimeFieldsToTime(&jan_1_1970, &unix_time_diff); out_unregister: if (status != STATUS_SUCCESS) RxUnregisterMinirdr(nfs41_dev); out: DbgEx(); return status; } #ifdef __REACTOS__ VOID NTAPI nfs41_driver_unload(IN PDRIVER_OBJECT drv) #else VOID nfs41_driver_unload(IN PDRIVER_OBJECT drv) #endif { PRX_CONTEXT RxContext; NTSTATUS status; UNICODE_STRING dev_name, pipe_name; DbgEn(); RxContext = RxCreateRxContext(NULL, nfs41_dev, RX_CONTEXT_FLAG_IN_FSP); if (RxContext == NULL) { status = STATUS_INSUFFICIENT_RESOURCES; goto unload; } status = RxStopMinirdr(RxContext, &RxContext->PostRequest); RxDereferenceAndDeleteRxContext(RxContext); unload: RtlInitUnicodeString(&dev_name, NFS41_SHADOW_DEVICE_NAME); status = IoDeleteSymbolicLink(&dev_name); if (status != STATUS_SUCCESS) { print_error("couldn't delete device symbolic link\n"); } RtlInitUnicodeString(&pipe_name, NFS41_SHADOW_PIPE_NAME); status = IoDeleteSymbolicLink(&pipe_name); if (status != STATUS_SUCCESS) { print_error("couldn't delete pipe symbolic link\n"); } RxUnload(drv); DbgP("driver unloaded %p\n", drv); DbgR(); }