1 /* 2 * secur32 private definitions. 3 * 4 * Copyright (C) 2004 Juan Lang 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 19 */ 20 21 #ifndef __SCHANNEL_PRIV_H__ 22 #define __SCHANNEL_PRIV_H__ 23 24 typedef struct _SecureProvider 25 { 26 struct list entry; 27 BOOL loaded; 28 PWSTR moduleName; 29 HMODULE lib; 30 } SecureProvider; 31 32 typedef struct _SecurePackage 33 { 34 struct list entry; 35 SecPkgInfoW infoW; 36 SecureProvider *provider; 37 } SecurePackage; 38 39 /* Allocates space for and initializes a new provider. If fnTableA or fnTableW 40 * is non-NULL, assumes the provider is built-in, and if moduleName is non-NULL, 41 * means must load the LSA/user mode functions tables from external SSP/AP module. 42 * Otherwise moduleName must not be NULL. 43 * Returns a pointer to the stored provider entry, for use adding packages. 44 */ 45 SecureProvider *SECUR32_addProvider(const SecurityFunctionTableA *fnTableA, 46 const SecurityFunctionTableW *fnTableW, PCWSTR moduleName) DECLSPEC_HIDDEN; 47 48 /* Allocates space for and adds toAdd packages with the given provider. 49 * provider must not be NULL, and either infoA or infoW may be NULL, but not 50 * both. 51 */ 52 void SECUR32_addPackages(SecureProvider *provider, ULONG toAdd, 53 const SecPkgInfoA *infoA, const SecPkgInfoW *infoW) DECLSPEC_HIDDEN; 54 55 /* Initialization functions for built-in providers */ 56 void SECUR32_initSchannelSP(void) DECLSPEC_HIDDEN; 57 58 /* schannel internal interface */ 59 typedef struct schan_imp_session_opaque *schan_imp_session; 60 61 typedef struct schan_credentials 62 { 63 ULONG credential_use; 64 void *credentials; 65 DWORD enabled_protocols; 66 } schan_credentials; 67 68 struct schan_transport; 69 70 struct schan_buffers 71 { 72 SIZE_T offset; 73 SIZE_T limit; 74 const SecBufferDesc *desc; 75 int current_buffer_idx; 76 BOOL allow_buffer_resize; 77 int (*get_next_buffer)(const struct schan_transport *, struct schan_buffers *); 78 }; 79 80 struct schan_transport 81 { 82 struct schan_context *ctx; 83 struct schan_buffers in; 84 struct schan_buffers out; 85 }; 86 87 char *schan_get_buffer(const struct schan_transport *t, struct schan_buffers *s, SIZE_T *count) DECLSPEC_HIDDEN; 88 extern int schan_pull(struct schan_transport *t, void *buff, size_t *buff_len) DECLSPEC_HIDDEN; 89 extern int schan_push(struct schan_transport *t, const void *buff, size_t *buff_len) DECLSPEC_HIDDEN; 90 91 extern schan_imp_session schan_session_for_transport(struct schan_transport* t) DECLSPEC_HIDDEN; 92 93 /* schannel implementation interface */ 94 extern BOOL schan_imp_create_session(schan_imp_session *session, schan_credentials *cred) DECLSPEC_HIDDEN; 95 extern void schan_imp_dispose_session(schan_imp_session session) DECLSPEC_HIDDEN; 96 extern void schan_imp_set_session_transport(schan_imp_session session, 97 struct schan_transport *t) DECLSPEC_HIDDEN; 98 extern void schan_imp_set_session_target(schan_imp_session session, const char *target) DECLSPEC_HIDDEN; 99 extern SECURITY_STATUS schan_imp_handshake(schan_imp_session session) DECLSPEC_HIDDEN; 100 extern unsigned int schan_imp_get_session_cipher_block_size(schan_imp_session session) DECLSPEC_HIDDEN; 101 extern unsigned int schan_imp_get_max_message_size(schan_imp_session session) DECLSPEC_HIDDEN; 102 extern SECURITY_STATUS schan_imp_get_connection_info(schan_imp_session session, 103 SecPkgContext_ConnectionInfo *info) DECLSPEC_HIDDEN; 104 extern SECURITY_STATUS schan_imp_get_session_peer_certificate(schan_imp_session session, HCERTSTORE, 105 PCCERT_CONTEXT *cert) DECLSPEC_HIDDEN; 106 extern SECURITY_STATUS schan_imp_send(schan_imp_session session, const void *buffer, 107 SIZE_T *length) DECLSPEC_HIDDEN; 108 extern SECURITY_STATUS schan_imp_recv(schan_imp_session session, void *buffer, 109 SIZE_T *length) DECLSPEC_HIDDEN; 110 extern BOOL schan_imp_allocate_certificate_credentials(schan_credentials*) DECLSPEC_HIDDEN; 111 extern void schan_imp_free_certificate_credentials(schan_credentials*) DECLSPEC_HIDDEN; 112 extern DWORD schan_imp_enabled_protocols(void) DECLSPEC_HIDDEN; 113 extern BOOL schan_imp_init(void) DECLSPEC_HIDDEN; 114 extern void schan_imp_deinit(void) DECLSPEC_HIDDEN; 115 116 SECURITY_STATUS 117 WINAPI 118 schan_FreeContextBuffer ( 119 PVOID pvoid 120 ); 121 SECURITY_STATUS WINAPI schan_EnumerateSecurityPackagesA(PULONG pcPackages, 122 PSecPkgInfoA *ppPackageInfo); 123 SECURITY_STATUS WINAPI schan_EnumerateSecurityPackagesW(PULONG pcPackages, 124 PSecPkgInfoW *ppPackageInfo); 125 extern SecurityFunctionTableA schanTableA; 126 extern SecurityFunctionTableW schanTableW; 127 128 #endif /* ndef __SCHANNEL_PRIV_H__ */ 129 130 131