1 /* 2 Unix SMB/CIFS implementation. 3 4 Winbind daemon for ntdom nss module 5 6 Copyright (C) Tim Potter 2000 7 Copyright (C) Gerald Carter 2006 8 9 You are free to use this interface definition in any way you see 10 fit, including without restriction, using this header in your own 11 products. You do not need to give any attribution. 12 */ 13 14 #ifndef SAFE_FREE 15 #define SAFE_FREE(x) do { if(x) {free(x); x=NULL;} } while(0) 16 #endif 17 18 #ifndef FSTRING_LEN 19 #define FSTRING_LEN 256 20 typedef char fstring[FSTRING_LEN]; 21 #endif 22 23 #ifndef _WINBINDD_NTDOM_H 24 #define _WINBINDD_NTDOM_H 25 26 #define WINBINDD_SOCKET_NAME "pipe" /* Name of PF_UNIX socket */ 27 28 /* We let the build environment set the public winbindd socket 29 * location. Therefore we no longer set 30 * 31 * #define WINBINDD_SOCKET_DIR "/tmp/.winbindd" 32 * 33 * A number of different distributions set different paths, and so it 34 * needs to come from configure in Samba. External users of this header will 35 * need to know where the path is on their system by some other 36 * mechanism. 37 */ 38 39 #define WINBINDD_PRIV_SOCKET_SUBDIR "winbindd_privileged" /* name of subdirectory of lp_lock_directory() to hold the 'privileged' pipe */ 40 #define WINBINDD_DOMAIN_ENV "WINBINDD_DOMAIN" /* Environment variables */ 41 #define WINBINDD_DONT_ENV "_NO_WINBINDD" 42 #define WINBINDD_LOCATOR_KDC_ADDRESS "WINBINDD_LOCATOR_KDC_ADDRESS" 43 44 /* Update this when you change the interface. 45 * 21: added WINBINDD_GETPWSID 46 * added WINBINDD_GETSIDALIASES 47 * 22: added WINBINDD_PING_DC 48 * 23: added session_key to ccache_ntlm_auth response 49 * added WINBINDD_CCACHE_SAVE 50 * 24: Fill in num_entries WINBINDD_LIST_USERS and WINBINDD_LIST_GROUPS 51 * 25: removed WINBINDD_SET_HWM 52 * removed WINBINDD_SET_MAPPING 53 * removed WINBINDD_REMOVE_MAPPING 54 * 26: added WINBINDD_DC_INFO 55 * 27: added WINBINDD_LOOKUPSIDS 56 * 28: added WINBINDD_XIDS_TO_SIDS 57 * removed WINBINDD_SID_TO_UID 58 * removed WINBINDD_SID_TO_GID 59 * removed WINBINDD_GID_TO_SID 60 * removed WINBINDD_UID_TO_SID 61 * 29: added "authoritative" to response.data.auth 62 * 30: added "validation_level" and "info6" to response.data.auth 63 * 31: added "client_name" to the request 64 */ 65 #define WINBIND_INTERFACE_VERSION 31 66 67 /* Have to deal with time_t being 4 or 8 bytes due to structure alignment. 68 On a 64bit Linux box, we have to support a constant structure size 69 between /lib/libnss_winbind.so.2 and /lib64/libnss_winbind.so.2. 70 The easiest way to do this is to always use 8byte values for time_t. */ 71 72 #define SMB_TIME_T int64_t 73 74 /* Socket commands */ 75 76 enum winbindd_cmd { 77 78 WINBINDD_INTERFACE_VERSION, /* Always a well known value */ 79 80 /* Get users and groups */ 81 82 WINBINDD_GETPWNAM, 83 WINBINDD_GETPWUID, 84 WINBINDD_GETPWSID, 85 WINBINDD_GETGRNAM, 86 WINBINDD_GETGRGID, 87 WINBINDD_GETGROUPS, 88 89 /* Enumerate users and groups */ 90 91 WINBINDD_SETPWENT, 92 WINBINDD_ENDPWENT, 93 WINBINDD_GETPWENT, 94 WINBINDD_SETGRENT, 95 WINBINDD_ENDGRENT, 96 WINBINDD_GETGRENT, 97 98 /* PAM authenticate and password change */ 99 100 WINBINDD_PAM_AUTH, 101 WINBINDD_PAM_AUTH_CRAP, 102 WINBINDD_PAM_CHAUTHTOK, 103 WINBINDD_PAM_LOGOFF, 104 WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP, 105 106 /* List various things */ 107 108 WINBINDD_LIST_USERS, /* List w/o rid->id mapping */ 109 WINBINDD_LIST_GROUPS, /* Ditto */ 110 WINBINDD_LIST_TRUSTDOM, 111 112 /* SID conversion */ 113 114 WINBINDD_LOOKUPSID, 115 WINBINDD_LOOKUPNAME, 116 WINBINDD_LOOKUPRIDS, 117 WINBINDD_LOOKUPSIDS, 118 119 /* Lookup functions */ 120 121 WINBINDD_SIDS_TO_XIDS, 122 WINBINDD_XIDS_TO_SIDS, 123 124 WINBINDD_ALLOCATE_UID, 125 WINBINDD_ALLOCATE_GID, 126 127 /* Miscellaneous other stuff */ 128 129 WINBINDD_CHECK_MACHACC, /* Check machine account pw works */ 130 WINBINDD_CHANGE_MACHACC, /* Change machine account pw */ 131 WINBINDD_PING_DC, /* Ping the DC through NETLOGON */ 132 WINBINDD_PING, /* Just tell me winbind is running */ 133 WINBINDD_INFO, /* Various bit of info. Currently just tidbits */ 134 WINBINDD_DOMAIN_NAME, /* The domain this winbind server is a member of (lp_workgroup()) */ 135 136 WINBINDD_DOMAIN_INFO, /* Most of what we know from 137 struct winbindd_domain */ 138 WINBINDD_GETDCNAME, /* Issue a GetDCName Request */ 139 WINBINDD_DSGETDCNAME, /* Issue a DsGetDCName Request */ 140 WINBINDD_DC_INFO, /* Which DC are we connected to? */ 141 142 WINBINDD_SHOW_SEQUENCE, /* display sequence numbers of domains */ 143 144 /* WINS commands */ 145 146 WINBINDD_WINS_BYIP, 147 WINBINDD_WINS_BYNAME, 148 149 /* this is like GETGRENT but gives an empty group list */ 150 WINBINDD_GETGRLST, 151 152 WINBINDD_NETBIOS_NAME, /* The netbios name of the server */ 153 154 /* find the location of our privileged pipe */ 155 WINBINDD_PRIV_PIPE_DIR, 156 157 /* return a list of group sids for a user sid */ 158 WINBINDD_GETUSERSIDS, 159 160 /* Various group queries */ 161 WINBINDD_GETUSERDOMGROUPS, 162 163 /* lookup local groups */ 164 WINBINDD_GETSIDALIASES, 165 166 /* Initialize connection in a child */ 167 WINBINDD_INIT_CONNECTION, 168 169 /* Blocking calls that are not allowed on the main winbind pipe, only 170 * between parent and children */ 171 WINBINDD_DUAL_SID2UID, 172 WINBINDD_DUAL_SID2GID, 173 WINBINDD_DUAL_SIDS2XIDS, 174 WINBINDD_DUAL_UID2SID, 175 WINBINDD_DUAL_GID2SID, 176 177 /* Wrapper around possibly blocking unix nss calls */ 178 WINBINDD_DUAL_USERINFO, 179 WINBINDD_DUAL_GETSIDALIASES, 180 181 WINBINDD_DUAL_NDRCMD, 182 183 /* Complete the challenge phase of the NTLM authentication 184 protocol using cached password. */ 185 WINBINDD_CCACHE_NTLMAUTH, 186 WINBINDD_CCACHE_SAVE, 187 188 WINBINDD_NUM_CMDS 189 }; 190 191 typedef struct winbindd_pw { 192 fstring pw_name; 193 fstring pw_passwd; 194 uid_t pw_uid; 195 gid_t pw_gid; 196 fstring pw_gecos; 197 fstring pw_dir; 198 fstring pw_shell; 199 } WINBINDD_PW; 200 201 202 typedef struct winbindd_gr { 203 fstring gr_name; 204 fstring gr_passwd; 205 gid_t gr_gid; 206 uint32_t num_gr_mem; 207 uint32_t gr_mem_ofs; /* offset to group membership */ 208 } WINBINDD_GR; 209 210 /* Request flags */ 211 #define WBFLAG_PAM_INFO3_NDR 0x00000001 212 #define WBFLAG_PAM_INFO3_TEXT 0x00000002 213 #define WBFLAG_PAM_USER_SESSION_KEY 0x00000004 214 #define WBFLAG_PAM_LMKEY 0x00000008 215 #define WBFLAG_PAM_CONTACT_TRUSTDOM 0x00000010 216 #define WBFLAG_QUERY_ONLY 0x00000020 /* not used */ 217 #define WBFLAG_PAM_AUTH_PAC 0x00000040 218 #define WBFLAG_PAM_UNIX_NAME 0x00000080 219 #define WBFLAG_PAM_AFS_TOKEN 0x00000100 220 #define WBFLAG_PAM_NT_STATUS_SQUASH 0x00000200 221 /* This is a flag that can only be sent from parent to child */ 222 #define WBFLAG_IS_PRIVILEGED 0x00000400 /* not used */ 223 /* Flag to say this is a winbindd internal send - don't recurse. */ 224 #define WBFLAG_RECURSE 0x00000800 225 #define WBFLAG_PAM_KRB5 0x00001000 226 #define WBFLAG_PAM_FALLBACK_AFTER_KRB5 0x00002000 227 #define WBFLAG_PAM_CACHED_LOGIN 0x00004000 228 #define WBFLAG_PAM_GET_PWD_POLICY 0x00008000 229 /* Flag to tell winbind the NTLMv2 blob is too big for the struct and is in the 230 * extra_data field */ 231 #define WBFLAG_BIG_NTLMV2_BLOB 0x00010000 232 #define WBFLAG_FROM_NSS 0x00020000 233 234 #define WINBINDD_MAX_EXTRA_DATA (128*1024) 235 236 /* Winbind request structure */ 237 238 /******************************************************************************* 239 * This structure MUST be the same size in the 32bit and 64bit builds 240 * for compatibility between /lib64/libnss_winbind.so and /lib/libnss_winbind.so 241 * 242 * DO NOT CHANGE THIS STRUCTURE WITHOUT TESTING THE 32BIT NSS LIB AGAINST 243 * A 64BIT WINBINDD --jerry 244 ******************************************************************************/ 245 246 struct winbindd_request { 247 uint32_t length; 248 enum winbindd_cmd cmd; /* Winbindd command to execute */ 249 enum winbindd_cmd original_cmd; /* Original Winbindd command 250 issued to parent process */ 251 pid_t pid; /* pid of calling process */ 252 uint32_t wb_flags; /* generic flags */ 253 uint32_t flags; /* flags relevant *only* to a given request */ 254 fstring domain_name; /* name of domain for which the request applies */ 255 char client_name[32]; /* The client process sending the request */ 256 257 union { 258 fstring winsreq; /* WINS request */ 259 fstring username; /* getpwnam */ 260 fstring groupname; /* getgrnam */ 261 uid_t uid; /* getpwuid, uid_to_sid */ 262 gid_t gid; /* getgrgid, gid_to_sid */ 263 uint32_t ndrcmd; 264 struct { 265 /* We deliberately don't split into domain/user to 266 avoid having the client know what the separator 267 character is. */ 268 fstring user; 269 fstring pass; 270 char require_membership_of_sid[1024]; 271 fstring krb5_cc_type; 272 uid_t uid; 273 } auth; /* pam_winbind auth module */ 274 struct { 275 uint8_t chal[8]; 276 uint32_t logon_parameters; 277 fstring user; 278 fstring domain; 279 fstring lm_resp; 280 uint32_t lm_resp_len; 281 fstring nt_resp; 282 uint32_t nt_resp_len; 283 fstring workstation; 284 fstring require_membership_of_sid; 285 } auth_crap; 286 struct { 287 fstring user; 288 fstring oldpass; 289 fstring newpass; 290 } chauthtok; /* pam_winbind passwd module */ 291 struct { 292 fstring user; 293 fstring domain; 294 uint8_t new_nt_pswd[516]; 295 uint16_t new_nt_pswd_len; 296 uint8_t old_nt_hash_enc[16]; 297 uint16_t old_nt_hash_enc_len; 298 uint8_t new_lm_pswd[516]; 299 uint16_t new_lm_pswd_len; 300 uint8_t old_lm_hash_enc[16]; 301 uint16_t old_lm_hash_enc_len; 302 } chng_pswd_auth_crap;/* pam_winbind passwd module */ 303 struct { 304 fstring user; 305 fstring krb5ccname; 306 uid_t uid; 307 } logoff; /* pam_winbind session module */ 308 fstring sid; /* lookupsid, sid_to_[ug]id */ 309 struct { 310 fstring dom_name; /* lookupname */ 311 fstring name; 312 } name; 313 uint32_t num_entries; /* getpwent, getgrent */ 314 struct { 315 fstring username; 316 fstring groupname; 317 } acct_mgt; 318 struct { 319 bool is_primary; 320 fstring dcname; 321 } init_conn; 322 struct { 323 fstring sid; 324 fstring name; 325 } dual_sid2id; 326 struct { 327 fstring sid; 328 uint32_t type; 329 uint32_t id; 330 } dual_idmapset; 331 bool list_all_domains; 332 333 struct { 334 uid_t uid; 335 fstring user; 336 /* the effective uid of the client, must be the uid for 'user'. 337 This is checked by the main daemon, trusted by children. */ 338 /* if the blobs are length zero, then this doesn't 339 produce an actual challenge response. It merely 340 succeeds if there are cached credentials available 341 that could be used. */ 342 uint32_t initial_blob_len; /* blobs in extra_data */ 343 uint32_t challenge_blob_len; 344 } ccache_ntlm_auth; 345 struct { 346 uid_t uid; 347 fstring user; 348 fstring pass; 349 } ccache_save; 350 struct { 351 fstring domain_name; 352 fstring domain_guid; 353 fstring site_name; 354 uint32_t flags; 355 } dsgetdcname; 356 357 /* padding -- needed to fix alignment between 32bit and 64bit libs. 358 The size is the sizeof the union without the padding aligned on 359 an 8 byte boundary. --jerry */ 360 361 char padding[1800]; 362 } data; 363 union { 364 SMB_TIME_T padding; 365 char *data; 366 } extra_data; 367 uint32_t extra_len; 368 char null_term; 369 }; 370 371 /* Response values */ 372 373 enum winbindd_result { 374 WINBINDD_ERROR, 375 WINBINDD_PENDING, 376 WINBINDD_OK 377 }; 378 379 /* Winbind response structure */ 380 381 /******************************************************************************* 382 * This structure MUST be the same size in the 32bit and 64bit builds 383 * for compatibility between /lib64/libnss_winbind.so and /lib/libnss_winbind.so 384 * 385 * DO NOT CHANGE THIS STRUCTURE WITHOUT TESTING THE 32BIT NSS LIB AGAINST 386 * A 64BIT WINBINDD --jerry 387 ******************************************************************************/ 388 389 struct winbindd_response { 390 391 /* Header information */ 392 393 uint32_t length; /* Length of response */ 394 enum winbindd_result result; /* Result code */ 395 396 /* Fixed length return data */ 397 398 union { 399 int interface_version; /* Try to ensure this is always in the same spot... */ 400 401 fstring winsresp; /* WINS response */ 402 403 /* getpwnam, getpwuid */ 404 405 struct winbindd_pw pw; 406 407 /* getgrnam, getgrgid */ 408 409 struct winbindd_gr gr; 410 411 uint32_t num_entries; /* getpwent, getgrent */ 412 struct winbindd_sid { 413 fstring sid; /* lookupname, [ug]id_to_sid */ 414 int type; 415 } sid; 416 struct winbindd_name { 417 fstring dom_name; /* lookupsid */ 418 fstring name; 419 int type; 420 } name; 421 uid_t uid; /* sid_to_uid */ 422 gid_t gid; /* sid_to_gid */ 423 struct winbindd_info { 424 char winbind_separator; 425 fstring samba_version; 426 } info; 427 fstring domain_name; 428 fstring netbios_name; 429 fstring dc_name; 430 431 struct auth_reply { 432 uint32_t nt_status; 433 fstring nt_status_string; 434 fstring error_string; 435 int pam_error; 436 char user_session_key[16]; 437 char first_8_lm_hash[8]; 438 fstring krb5ccname; 439 uint32_t reject_reason; 440 uint8_t authoritative; 441 uint8_t padding[1]; 442 uint16_t validation_level; 443 struct policy_settings { 444 uint32_t min_length_password; 445 uint32_t password_history; 446 uint32_t password_properties; 447 uint32_t padding; 448 SMB_TIME_T expire; 449 SMB_TIME_T min_passwordage; 450 } policy; 451 struct info3_text { 452 SMB_TIME_T logon_time; 453 SMB_TIME_T logoff_time; 454 SMB_TIME_T kickoff_time; 455 SMB_TIME_T pass_last_set_time; 456 SMB_TIME_T pass_can_change_time; 457 SMB_TIME_T pass_must_change_time; 458 uint32_t logon_count; 459 uint32_t bad_pw_count; 460 uint32_t user_rid; 461 uint32_t group_rid; 462 uint32_t num_groups; 463 uint32_t user_flgs; 464 uint32_t acct_flags; 465 uint32_t num_other_sids; 466 fstring dom_sid; 467 fstring user_name; 468 fstring full_name; 469 fstring logon_script; 470 fstring profile_path; 471 fstring home_dir; 472 fstring dir_drive; 473 fstring logon_srv; 474 fstring logon_dom; 475 } info3; 476 struct info6_text { 477 fstring dns_domainname; 478 fstring principal_name; 479 } info6; 480 fstring unix_username; 481 } auth; 482 struct { 483 fstring name; 484 fstring alt_name; 485 fstring sid; 486 bool native_mode; 487 bool active_directory; 488 bool primary; 489 } domain_info; 490 uint32_t sequence_number; 491 struct { 492 fstring acct_name; 493 fstring full_name; 494 fstring homedir; 495 fstring shell; 496 uint32_t primary_gid; 497 uint32_t group_rid; 498 } user_info; 499 struct { 500 uint8_t session_key[16]; 501 uint32_t auth_blob_len; /* blob in extra_data */ 502 uint8_t new_spnego; 503 } ccache_ntlm_auth; 504 struct { 505 fstring dc_unc; 506 fstring dc_address; 507 uint32_t dc_address_type; 508 fstring domain_guid; 509 fstring domain_name; 510 fstring forest_name; 511 uint32_t dc_flags; 512 fstring dc_site_name; 513 fstring client_site_name; 514 } dsgetdcname; 515 } data; 516 517 /* Variable length return data */ 518 519 union { 520 SMB_TIME_T padding; 521 void *data; 522 } extra_data; 523 }; 524 525 #endif 526