/* * Unix SMB/CIFS implementation. * RPC Pipe client / server routines * Copyright (C) Andrew Tridgell 1992-2000, * Copyright (C) Jean François Micouleau 1998-2001. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "includes.h" static TDB_CONTEXT *tdb; /* used for driver files */ #define DATABASE_VERSION_V1 1 /* native byte format. */ #define DATABASE_VERSION_V2 2 /* le format. */ #define GROUP_PREFIX "UNIXGROUP/" /* Alias memberships are stored reverse, as memberships. The performance * critical operation is to determine the aliases a SID is member of, not * listing alias members. So we store a list of alias SIDs a SID is member of * hanging of the member as key. */ #define MEMBEROF_PREFIX "MEMBEROF/" PRIVS privs[] = { {SE_PRIV_NONE, "no_privs", "No privilege" }, /* this one MUST be first */ {SE_PRIV_ADD_MACHINES, "SeMachineAccountPrivilege", "Add workstations to the domain" }, {SE_PRIV_SEC_PRIV, "SeSecurityPrivilege", "Manage the audit logs" }, {SE_PRIV_TAKE_OWNER, "SeTakeOwnershipPrivilege", "Take ownership of file" }, {SE_PRIV_ADD_USERS, "SaAddUsers", "Add users to the domain - Samba" }, {SE_PRIV_PRINT_OPERATOR, "SaPrintOp", "Add or remove printers - Samba" }, {SE_PRIV_ALL, "SaAllPrivs", "all privileges" } }; /**************************************************************************** dump the mapping group mapping to a text file ****************************************************************************/ char *decode_sid_name_use(fstring group, enum SID_NAME_USE name_use) { static fstring group_type; switch(name_use) { case SID_NAME_USER: fstrcpy(group_type,"User"); break; case SID_NAME_DOM_GRP: fstrcpy(group_type,"Domain group"); break; case SID_NAME_DOMAIN: fstrcpy(group_type,"Domain"); break; case SID_NAME_ALIAS: fstrcpy(group_type,"Local group"); break; case SID_NAME_WKN_GRP: fstrcpy(group_type,"Builtin group"); break; case SID_NAME_DELETED: fstrcpy(group_type,"Deleted"); break; case SID_NAME_INVALID: fstrcpy(group_type,"Invalid"); break; case SID_NAME_UNKNOWN: default: fstrcpy(group_type,"Unknown type"); break; } fstrcpy(group, group_type); return group_type; } /**************************************************************************** initialise first time the mapping list - called from init_group_mapping() ****************************************************************************/ static BOOL default_group_mapping(void) { DOM_SID sid_admins; DOM_SID sid_users; DOM_SID sid_guests; fstring str_admins; fstring str_users; fstring str_guests; /* Add the Wellknown groups */ add_initial_entry(-1, "S-1-5-32-544", SID_NAME_WKN_GRP, "Administrators", ""); add_initial_entry(-1, "S-1-5-32-545", SID_NAME_WKN_GRP, "Users", ""); add_initial_entry(-1, "S-1-5-32-546", SID_NAME_WKN_GRP, "Guests", ""); add_initial_entry(-1, "S-1-5-32-547", SID_NAME_WKN_GRP, "Power Users", ""); add_initial_entry(-1, "S-1-5-32-548", SID_NAME_WKN_GRP, "Account Operators", ""); add_initial_entry(-1, "S-1-5-32-549", SID_NAME_WKN_GRP, "System Operators", ""); add_initial_entry(-1, "S-1-5-32-550", SID_NAME_WKN_GRP, "Print Operators", ""); add_initial_entry(-1, "S-1-5-32-551", SID_NAME_WKN_GRP, "Backup Operators", ""); add_initial_entry(-1, "S-1-5-32-552", SID_NAME_WKN_GRP, "Replicators", ""); /* Add the defaults domain groups */ sid_copy(&sid_admins, get_global_sam_sid()); sid_append_rid(&sid_admins, DOMAIN_GROUP_RID_ADMINS); sid_to_string(str_admins, &sid_admins); add_initial_entry(-1, str_admins, SID_NAME_DOM_GRP, "Domain Admins", ""); sid_copy(&sid_users, get_global_sam_sid()); sid_append_rid(&sid_users, DOMAIN_GROUP_RID_USERS); sid_to_string(str_users, &sid_users); add_initial_entry(-1, str_users, SID_NAME_DOM_GRP, "Domain Users", ""); sid_copy(&sid_guests, get_global_sam_sid()); sid_append_rid(&sid_guests, DOMAIN_GROUP_RID_GUESTS); sid_to_string(str_guests, &sid_guests); add_initial_entry(-1, str_guests, SID_NAME_DOM_GRP, "Domain Guests", ""); return True; } /**************************************************************************** Open the group mapping tdb. ****************************************************************************/ static BOOL init_group_mapping(void) { static pid_t local_pid; const char *vstring = "INFO/version"; int32 vers_id; if (tdb && local_pid == sys_getpid()) return True; tdb = tdb_open_log(lock_path("group_mapping.tdb"), 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600); if (!tdb) { DEBUG(0,("Failed to open group mapping database\n")); return False; } local_pid = sys_getpid(); /* handle a Samba upgrade */ tdb_lock_bystring(tdb, vstring, 0); /* Cope with byte-reversed older versions of the db. */ vers_id = tdb_fetch_int32(tdb, vstring); if ((vers_id == DATABASE_VERSION_V1) || (IREV(vers_id) == DATABASE_VERSION_V1)) { /* Written on a bigendian machine with old fetch_int code. Save as le. */ tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2); vers_id = DATABASE_VERSION_V2; } if (vers_id != DATABASE_VERSION_V2) { tdb_traverse(tdb, tdb_traverse_delete_fn, NULL); tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2); } tdb_unlock_bystring(tdb, vstring); /* write a list of default groups */ if(!default_group_mapping()) return False; return True; } /**************************************************************************** ****************************************************************************/ static BOOL add_mapping_entry(GROUP_MAP *map, int flag) { TDB_DATA kbuf, dbuf; pstring key, buf; fstring string_sid=""; int len; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return(False); } sid_to_string(string_sid, &map->sid); len = tdb_pack(buf, sizeof(buf), "ddff", map->gid, map->sid_name_use, map->nt_name, map->comment); if (len > sizeof(buf)) return False; slprintf(key, sizeof(key), "%s%s", GROUP_PREFIX, string_sid); kbuf.dsize = strlen(key)+1; kbuf.dptr = key; dbuf.dsize = len; dbuf.dptr = buf; if (tdb_store(tdb, kbuf, dbuf, flag) != 0) return False; return True; } /**************************************************************************** initialise first time the mapping list ****************************************************************************/ BOOL add_initial_entry(gid_t gid, const char *sid, enum SID_NAME_USE sid_name_use, const char *nt_name, const char *comment) { GROUP_MAP map; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return(False); } map.gid=gid; if (!string_to_sid(&map.sid, sid)) { DEBUG(0, ("string_to_sid failed: %s", sid)); return False; } map.sid_name_use=sid_name_use; fstrcpy(map.nt_name, nt_name); fstrcpy(map.comment, comment); return pdb_add_group_mapping_entry(&map); } /**************************************************************************** Return the sid and the type of the unix group. ****************************************************************************/ static BOOL get_group_map_from_sid(DOM_SID sid, GROUP_MAP *map) { TDB_DATA kbuf, dbuf; pstring key; fstring string_sid; int ret = 0; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return(False); } /* the key is the SID, retrieving is direct */ sid_to_string(string_sid, &sid); slprintf(key, sizeof(key), "%s%s", GROUP_PREFIX, string_sid); kbuf.dptr = key; kbuf.dsize = strlen(key)+1; dbuf = tdb_fetch(tdb, kbuf); if (!dbuf.dptr) return False; ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff", &map->gid, &map->sid_name_use, &map->nt_name, &map->comment); SAFE_FREE(dbuf.dptr); if ( ret == -1 ) { DEBUG(3,("get_group_map_from_sid: tdb_unpack failure\n")); return False; } sid_copy(&map->sid, &sid); return True; } /**************************************************************************** Return the sid and the type of the unix group. ****************************************************************************/ static BOOL get_group_map_from_gid(gid_t gid, GROUP_MAP *map) { TDB_DATA kbuf, dbuf, newkey; fstring string_sid; int ret; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return(False); } /* we need to enumerate the TDB to find the GID */ for (kbuf = tdb_firstkey(tdb); kbuf.dptr; newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), kbuf=newkey) { if (strncmp(kbuf.dptr, GROUP_PREFIX, strlen(GROUP_PREFIX)) != 0) continue; dbuf = tdb_fetch(tdb, kbuf); if (!dbuf.dptr) continue; fstrcpy(string_sid, kbuf.dptr+strlen(GROUP_PREFIX)); string_to_sid(&map->sid, string_sid); ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff", &map->gid, &map->sid_name_use, &map->nt_name, &map->comment); SAFE_FREE(dbuf.dptr); if ( ret == -1 ) { DEBUG(3,("get_group_map_from_gid: tdb_unpack failure\n")); return False; } if (gid==map->gid) { SAFE_FREE(kbuf.dptr); return True; } } return False; } /**************************************************************************** Return the sid and the type of the unix group. ****************************************************************************/ static BOOL get_group_map_from_ntname(const char *name, GROUP_MAP *map) { TDB_DATA kbuf, dbuf, newkey; fstring string_sid; int ret; if(!init_group_mapping()) { DEBUG(0,("get_group_map_from_ntname:failed to initialize group mapping\n")); return(False); } /* we need to enumerate the TDB to find the name */ for (kbuf = tdb_firstkey(tdb); kbuf.dptr; newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), kbuf=newkey) { if (strncmp(kbuf.dptr, GROUP_PREFIX, strlen(GROUP_PREFIX)) != 0) continue; dbuf = tdb_fetch(tdb, kbuf); if (!dbuf.dptr) continue; fstrcpy(string_sid, kbuf.dptr+strlen(GROUP_PREFIX)); string_to_sid(&map->sid, string_sid); ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff", &map->gid, &map->sid_name_use, &map->nt_name, &map->comment); SAFE_FREE(dbuf.dptr); if ( ret == -1 ) { DEBUG(3,("get_group_map_from_ntname: tdb_unpack failure\n")); return False; } if (StrCaseCmp(name, map->nt_name)==0) { SAFE_FREE(kbuf.dptr); return True; } } return False; } /**************************************************************************** Remove a group mapping entry. ****************************************************************************/ static BOOL group_map_remove(DOM_SID sid) { TDB_DATA kbuf, dbuf; pstring key; fstring string_sid; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return(False); } /* the key is the SID, retrieving is direct */ sid_to_string(string_sid, &sid); slprintf(key, sizeof(key), "%s%s", GROUP_PREFIX, string_sid); kbuf.dptr = key; kbuf.dsize = strlen(key)+1; dbuf = tdb_fetch(tdb, kbuf); if (!dbuf.dptr) return False; SAFE_FREE(dbuf.dptr); if(tdb_delete(tdb, kbuf) != TDB_SUCCESS) return False; return True; } /**************************************************************************** Enumerate the group mapping. ****************************************************************************/ static BOOL enum_group_mapping(enum SID_NAME_USE sid_name_use, GROUP_MAP **rmap, int *num_entries, BOOL unix_only) { TDB_DATA kbuf, dbuf, newkey; fstring string_sid; fstring group_type; GROUP_MAP map; GROUP_MAP *mapt; int ret; int entries=0; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return(False); } *num_entries=0; *rmap=NULL; for (kbuf = tdb_firstkey(tdb); kbuf.dptr; newkey = tdb_nextkey(tdb, kbuf), safe_free(kbuf.dptr), kbuf=newkey) { if (strncmp(kbuf.dptr, GROUP_PREFIX, strlen(GROUP_PREFIX)) != 0) continue; dbuf = tdb_fetch(tdb, kbuf); if (!dbuf.dptr) continue; fstrcpy(string_sid, kbuf.dptr+strlen(GROUP_PREFIX)); ret = tdb_unpack(dbuf.dptr, dbuf.dsize, "ddff", &map.gid, &map.sid_name_use, &map.nt_name, &map.comment); SAFE_FREE(dbuf.dptr); if ( ret == -1 ) { DEBUG(3,("enum_group_mapping: tdb_unpack failure\n")); continue; } /* list only the type or everything if UNKNOWN */ if (sid_name_use!=SID_NAME_UNKNOWN && sid_name_use!=map.sid_name_use) { DEBUG(11,("enum_group_mapping: group %s is not of the requested type\n", map.nt_name)); continue; } if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) { DEBUG(11,("enum_group_mapping: group %s is non mapped\n", map.nt_name)); continue; } string_to_sid(&map.sid, string_sid); decode_sid_name_use(group_type, map.sid_name_use); DEBUG(11,("enum_group_mapping: returning group %s of type %s\n", map.nt_name ,group_type)); mapt=(GROUP_MAP *)Realloc((*rmap), (entries+1)*sizeof(GROUP_MAP)); if (!mapt) { DEBUG(0,("enum_group_mapping: Unable to enlarge group map!\n")); SAFE_FREE(*rmap); return False; } else (*rmap) = mapt; mapt[entries].gid = map.gid; sid_copy( &mapt[entries].sid, &map.sid); mapt[entries].sid_name_use = map.sid_name_use; fstrcpy(mapt[entries].nt_name, map.nt_name); fstrcpy(mapt[entries].comment, map.comment); entries++; } *num_entries=entries; return True; } /* This operation happens on session setup, so it should better be fast. We * store a list of aliases a SID is member of hanging off MEMBEROF/SID. */ static NTSTATUS alias_memberships(const DOM_SID *sid, DOM_SID **sids, int *num) { fstring key, string_sid; TDB_DATA kbuf, dbuf; const char *p; *num = 0; *sids = NULL; if (!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return NT_STATUS_ACCESS_DENIED; } sid_to_string(string_sid, sid); slprintf(key, sizeof(key), "%s%s", MEMBEROF_PREFIX, string_sid); kbuf.dsize = strlen(key)+1; kbuf.dptr = key; dbuf = tdb_fetch(tdb, kbuf); if (dbuf.dptr == NULL) { return NT_STATUS_OK; } p = dbuf.dptr; while (next_token(&p, string_sid, " ", sizeof(string_sid))) { DOM_SID alias; if (!string_to_sid(&alias, string_sid)) continue; add_sid_to_array(&alias, sids, num); if (sids == NULL) return NT_STATUS_NO_MEMORY; } SAFE_FREE(dbuf.dptr); return NT_STATUS_OK; } static BOOL is_aliasmem(const DOM_SID *alias, const DOM_SID *member) { DOM_SID *sids; int i, num; /* This feels the wrong way round, but the on-disk data structure * dictates it this way. */ if (!NT_STATUS_IS_OK(alias_memberships(member, &sids, &num))) return False; for (i=0; ialias, &alias) != 0) continue; /* Ok, we found the alias we're looking for in the membership * list currently scanned. The key represents the alias * member. Add that. */ member_string = strchr(key.dptr, '/'); /* Above we tested for MEMBEROF_PREFIX which includes the * slash. */ SMB_ASSERT(member_string != NULL); member_string += 1; if (!string_to_sid(&member, member_string)) continue; add_sid_to_array(&member, closure->sids, closure->num); } return 0; } static NTSTATUS enum_aliasmem(const DOM_SID *alias, DOM_SID **sids, int *num) { GROUP_MAP map; struct aliasmem_closure closure; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return NT_STATUS_ACCESS_DENIED; } if (!get_group_map_from_sid(*alias, &map)) return NT_STATUS_NO_SUCH_ALIAS; if ( (map.sid_name_use != SID_NAME_ALIAS) && (map.sid_name_use != SID_NAME_WKN_GRP) ) return NT_STATUS_NO_SUCH_ALIAS; *sids = NULL; *num = 0; closure.alias = alias; closure.sids = sids; closure.num = num; tdb_traverse(tdb, collect_aliasmem, &closure); return NT_STATUS_OK; } static NTSTATUS del_aliasmem(const DOM_SID *alias, const DOM_SID *member) { NTSTATUS result; DOM_SID *sids; int i, num; BOOL found = False; char *member_string; TDB_DATA kbuf, dbuf; pstring key; fstring sid_string; result = alias_memberships(member, &sids, &num); if (!NT_STATUS_IS_OK(result)) return result; for (i=0; isid_name_use!=SID_NAME_DOM_GRP) { return False; } DEBUG(10, ("get_domain_group_from_sid: SID is a domain group\n")); if (map->gid==-1) { return False; } DEBUG(10, ("get_domain_group_from_sid: SID is mapped to gid:%lu\n",(unsigned long)map->gid)); grp = getgrgid(map->gid); if ( !grp ) { DEBUG(10, ("get_domain_group_from_sid: gid DOESN'T exist in UNIX security\n")); return False; } DEBUG(10, ("get_domain_group_from_sid: gid exists in UNIX security\n")); return True; } /* get a local (alias) group from it's SID */ BOOL get_local_group_from_sid(DOM_SID *sid, GROUP_MAP *map) { BOOL ret; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return(False); } /* The group is in the mapping table */ become_root(); ret = pdb_getgrsid(map, *sid); unbecome_root(); if ( !ret ) return False; if ( ( (map->sid_name_use != SID_NAME_ALIAS) && (map->sid_name_use != SID_NAME_WKN_GRP) ) || (map->gid == -1) || (getgrgid(map->gid) == NULL) ) { return False; } #if 1 /* JERRY */ /* local groups only exist in the group mapping DB so this is not necessary */ else { /* the group isn't in the mapping table. * make one based on the unix information */ uint32 alias_rid; struct group *grp; sid_peek_rid(sid, &alias_rid); map->gid=pdb_group_rid_to_gid(alias_rid); grp = getgrgid(map->gid); if ( !grp ) { DEBUG(3,("get_local_group_from_sid: No unix group for [%ul]\n", map->gid)); return False; } map->sid_name_use=SID_NAME_ALIAS; fstrcpy(map->nt_name, grp->gr_name); fstrcpy(map->comment, "Local Unix Group"); sid_copy(&map->sid, sid); } #endif return True; } /* get a builtin group from it's SID */ BOOL get_builtin_group_from_sid(DOM_SID *sid, GROUP_MAP *map) { struct group *grp; BOOL ret; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return(False); } become_root(); ret = pdb_getgrsid(map, *sid); unbecome_root(); if ( !ret ) return False; if (map->sid_name_use!=SID_NAME_WKN_GRP) { return False; } if (map->gid==-1) { return False; } if ( (grp=getgrgid(map->gid)) == NULL) { return False; } return True; } /**************************************************************************** Returns a GROUP_MAP struct based on the gid. ****************************************************************************/ BOOL get_group_from_gid(gid_t gid, GROUP_MAP *map) { struct group *grp; BOOL ret; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return(False); } if ( (grp=getgrgid(gid)) == NULL) return False; /* * make a group map from scratch if doesn't exist. */ become_root(); ret = pdb_getgrgid(map, gid); unbecome_root(); if ( !ret ) { map->gid=gid; map->sid_name_use=SID_NAME_ALIAS; /* interim solution until we have a last RID allocated */ sid_copy(&map->sid, get_global_sam_sid()); sid_append_rid(&map->sid, pdb_gid_to_group_rid(gid)); fstrcpy(map->nt_name, grp->gr_name); fstrcpy(map->comment, "Local Unix Group"); } return True; } /**************************************************************************** Get the member users of a group and all the users who have that group as primary. give back an array of SIDS return the grand number of users TODO: sort the list and remove duplicate. JFM. ****************************************************************************/ BOOL get_sid_list_of_group(gid_t gid, DOM_SID **sids, int *num_sids) { struct group *grp; int i=0; char *gr; DOM_SID *s; struct sys_pwent *userlist; struct sys_pwent *user; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return(False); } *num_sids = 0; *sids=NULL; if ( (grp=getgrgid(gid)) == NULL) return False; gr = grp->gr_mem[0]; DEBUG(10, ("getting members\n")); while (gr && (*gr != (char)'\0')) { SAM_ACCOUNT *group_member_acct = NULL; BOOL found_user; s = Realloc((*sids), sizeof(**sids)*(*num_sids+1)); if (!s) { DEBUG(0,("get_uid_list_of_group: unable to enlarge SID list!\n")); return False; } else (*sids) = s; if (!NT_STATUS_IS_OK(pdb_init_sam(&group_member_acct))) { continue; } become_root(); found_user = pdb_getsampwnam(group_member_acct, gr); unbecome_root(); if (found_user) { sid_copy(&(*sids)[*num_sids], pdb_get_user_sid(group_member_acct)); (*num_sids)++; } pdb_free_sam(&group_member_acct); gr = grp->gr_mem[++i]; } DEBUG(10, ("got [%d] members\n", *num_sids)); winbind_off(); user = userlist = getpwent_list(); while (user != NULL) { SAM_ACCOUNT *group_member_acct = NULL; BOOL found_user; if (user->pw_gid != gid) { user = user->next; continue; } s = Realloc((*sids), sizeof(**sids)*(*num_sids+1)); if (!s) { DEBUG(0,("get_sid_list_of_group: unable to enlarge " "SID list!\n")); pwent_free(userlist); winbind_on(); return False; } else (*sids) = s; if (!NT_STATUS_IS_OK(pdb_init_sam(&group_member_acct))) { continue; } become_root(); found_user = pdb_getsampwnam(group_member_acct, user->pw_name); unbecome_root(); if (found_user) { sid_copy(&(*sids)[*num_sids], pdb_get_user_sid(group_member_acct)); (*num_sids)++; } else { DEBUG(4,("get_sid_list_of_group: User %s [uid == %lu] " "has no samba account\n", user->pw_name, (unsigned long)user->pw_uid)); if (algorithmic_uid_to_sid(&(*sids)[*num_sids], user->pw_uid)) (*num_sids)++; } pdb_free_sam(&group_member_acct); user = user->next; } pwent_free(userlist); DEBUG(10, ("got primary groups, members: [%d]\n", *num_sids)); winbind_on(); return True; } /**************************************************************************** Create a UNIX group on demand. ****************************************************************************/ int smb_create_group(char *unix_group, gid_t *new_gid) { pstring add_script; int ret = -1; int fd = 0; *new_gid = 0; /* defer to scripts */ if ( *lp_addgroup_script() ) { pstrcpy(add_script, lp_addgroup_script()); pstring_sub(add_script, "%g", unix_group); ret = smbrun(add_script, (new_gid!=NULL) ? &fd : NULL); DEBUG(3,("smb_create_group: Running the command `%s' gave %d\n",add_script,ret)); if (ret != 0) return ret; if (fd != 0) { fstring output; *new_gid = 0; if (read(fd, output, sizeof(output)) > 0) { *new_gid = (gid_t)strtoul(output, NULL, 10); } close(fd); } } else if ( winbind_create_group( unix_group, NULL ) ) { DEBUG(3,("smb_create_group: winbindd created the group (%s)\n", unix_group)); ret = 0; } if (*new_gid == 0) { struct group *grp = getgrnam(unix_group); if (grp != NULL) *new_gid = grp->gr_gid; } return ret; } /**************************************************************************** Delete a UNIX group on demand. ****************************************************************************/ int smb_delete_group(char *unix_group) { pstring del_script; int ret; /* defer to scripts */ if ( *lp_delgroup_script() ) { pstrcpy(del_script, lp_delgroup_script()); pstring_sub(del_script, "%g", unix_group); ret = smbrun(del_script,NULL); DEBUG(3,("smb_delete_group: Running the command `%s' gave %d\n",del_script,ret)); return ret; } if ( winbind_delete_group( unix_group ) ) { DEBUG(3,("smb_delete_group: winbindd deleted the group (%s)\n", unix_group)); return 0; } return -1; } /**************************************************************************** Set a user's primary UNIX group. ****************************************************************************/ int smb_set_primary_group(const char *unix_group, const char* unix_user) { pstring add_script; int ret; /* defer to scripts */ if ( *lp_setprimarygroup_script() ) { pstrcpy(add_script, lp_setprimarygroup_script()); all_string_sub(add_script, "%g", unix_group, sizeof(add_script)); all_string_sub(add_script, "%u", unix_user, sizeof(add_script)); ret = smbrun(add_script,NULL); DEBUG(3,("smb_set_primary_group: " "Running the command `%s' gave %d\n",add_script,ret)); return ret; } /* Try winbindd */ if ( winbind_set_user_primary_group( unix_user, unix_group ) ) { DEBUG(3,("smb_delete_group: winbindd set the group (%s) as the primary group for user (%s)\n", unix_group, unix_user)); return 0; } return -1; } /**************************************************************************** Add a user to a UNIX group. ****************************************************************************/ int smb_add_user_group(char *unix_group, char *unix_user) { pstring add_script; int ret; /* defer to scripts */ if ( *lp_addusertogroup_script() ) { pstrcpy(add_script, lp_addusertogroup_script()); pstring_sub(add_script, "%g", unix_group); pstring_sub(add_script, "%u", unix_user); ret = smbrun(add_script,NULL); DEBUG(3,("smb_add_user_group: Running the command `%s' gave %d\n",add_script,ret)); return ret; } /* Try winbindd */ if ( winbind_add_user_to_group( unix_user, unix_group ) ) { DEBUG(3,("smb_delete_group: winbindd added user (%s) to the group (%s)\n", unix_user, unix_group)); return -1; } return -1; } /**************************************************************************** Delete a user from a UNIX group ****************************************************************************/ int smb_delete_user_group(const char *unix_group, const char *unix_user) { pstring del_script; int ret; /* defer to scripts */ if ( *lp_deluserfromgroup_script() ) { pstrcpy(del_script, lp_deluserfromgroup_script()); pstring_sub(del_script, "%g", unix_group); pstring_sub(del_script, "%u", unix_user); ret = smbrun(del_script,NULL); DEBUG(3,("smb_delete_user_group: Running the command `%s' gave %d\n",del_script,ret)); return ret; } /* Try winbindd */ if ( winbind_remove_user_from_group( unix_user, unix_group ) ) { DEBUG(3,("smb_delete_group: winbindd removed user (%s) from the group (%s)\n", unix_user, unix_group)); return 0; } return -1; } NTSTATUS pdb_default_getgrsid(struct pdb_methods *methods, GROUP_MAP *map, DOM_SID sid) { return get_group_map_from_sid(sid, map) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_default_getgrgid(struct pdb_methods *methods, GROUP_MAP *map, gid_t gid) { return get_group_map_from_gid(gid, map) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_default_getgrnam(struct pdb_methods *methods, GROUP_MAP *map, const char *name) { return get_group_map_from_ntname(name, map) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_default_add_group_mapping_entry(struct pdb_methods *methods, GROUP_MAP *map) { return add_mapping_entry(map, TDB_INSERT) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_default_update_group_mapping_entry(struct pdb_methods *methods, GROUP_MAP *map) { return add_mapping_entry(map, TDB_REPLACE) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_default_delete_group_mapping_entry(struct pdb_methods *methods, DOM_SID sid) { return group_map_remove(sid) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_default_enum_group_mapping(struct pdb_methods *methods, enum SID_NAME_USE sid_name_use, GROUP_MAP **rmap, int *num_entries, BOOL unix_only) { return enum_group_mapping(sid_name_use, rmap, num_entries, unix_only) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_default_find_alias(struct pdb_methods *methods, const char *name, DOM_SID *sid) { GROUP_MAP map; if (!pdb_getgrnam(&map, name)) return NT_STATUS_NO_SUCH_ALIAS; if ((map.sid_name_use != SID_NAME_WKN_GRP) && (map.sid_name_use != SID_NAME_ALIAS)) return NT_STATUS_OBJECT_TYPE_MISMATCH; sid_copy(sid, &map.sid); return NT_STATUS_OK; } NTSTATUS pdb_default_create_alias(struct pdb_methods *methods, const char *name, uint32 *rid) { DOM_SID sid; enum SID_NAME_USE type; uint32 new_rid; gid_t gid; GROUP_MAP map; if (lookup_name(get_global_sam_name(), name, &sid, &type)) return NT_STATUS_ALIAS_EXISTS; if (!winbind_allocate_rid(&new_rid)) return NT_STATUS_ACCESS_DENIED; sid_copy(&sid, get_global_sam_sid()); sid_append_rid(&sid, new_rid); /* Here we allocate the gid */ if (!winbind_sid_to_gid(&gid, &sid)) { DEBUG(0, ("Could not get gid for new RID\n")); return NT_STATUS_ACCESS_DENIED; } map.gid = gid; sid_copy(&map.sid, &sid); map.sid_name_use = SID_NAME_ALIAS; fstrcpy(map.nt_name, name); fstrcpy(map.comment, ""); if (!pdb_add_group_mapping_entry(&map)) { DEBUG(0, ("Could not add group mapping entry for alias %s\n", name)); return NT_STATUS_ACCESS_DENIED; } *rid = new_rid; return NT_STATUS_OK; } NTSTATUS pdb_default_delete_alias(struct pdb_methods *methods, const DOM_SID *sid) { return pdb_delete_group_mapping_entry(*sid) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED; } NTSTATUS pdb_default_enum_aliases(struct pdb_methods *methods, const DOM_SID *sid, uint32 start_idx, uint32 max_entries, uint32 *num_aliases, struct acct_info **info) { extern DOM_SID global_sid_Builtin; GROUP_MAP *map; int i, num_maps; enum SID_NAME_USE type = SID_NAME_UNKNOWN; if (sid_compare(sid, get_global_sam_sid()) == 0) type = SID_NAME_ALIAS; if (sid_compare(sid, &global_sid_Builtin) == 0) type = SID_NAME_WKN_GRP; if (!pdb_enum_group_mapping(type, &map, &num_maps, False) || (num_maps == 0)) { *num_aliases = 0; *info = NULL; goto done; } if (start_idx > num_maps) { *num_aliases = 0; *info = NULL; goto done; } *num_aliases = num_maps - start_idx; if (*num_aliases > max_entries) *num_aliases = max_entries; *info = malloc(sizeof(struct acct_info) * (*num_aliases)); for (i=0; i<*num_aliases; i++) { fstrcpy((*info)[i].acct_name, map[i+start_idx].nt_name); fstrcpy((*info)[i].acct_desc, map[i+start_idx].comment); sid_peek_rid(&map[i].sid, &(*info)[i+start_idx].rid); } done: SAFE_FREE(map); return NT_STATUS_OK; } NTSTATUS pdb_default_get_aliasinfo(struct pdb_methods *methods, const DOM_SID *sid, struct acct_info *info) { GROUP_MAP map; if (!pdb_getgrsid(&map, *sid)) return NT_STATUS_NO_SUCH_ALIAS; fstrcpy(info->acct_name, map.nt_name); fstrcpy(info->acct_desc, map.comment); sid_peek_rid(&map.sid, &info->rid); return NT_STATUS_OK; } NTSTATUS pdb_default_set_aliasinfo(struct pdb_methods *methods, const DOM_SID *sid, struct acct_info *info) { GROUP_MAP map; if (!pdb_getgrsid(&map, *sid)) return NT_STATUS_NO_SUCH_ALIAS; fstrcpy(map.comment, info->acct_desc); if (!pdb_update_group_mapping_entry(&map)) return NT_STATUS_ACCESS_DENIED; return NT_STATUS_OK; } NTSTATUS pdb_default_add_aliasmem(struct pdb_methods *methods, const DOM_SID *alias, const DOM_SID *member) { return add_aliasmem(alias, member); } NTSTATUS pdb_default_del_aliasmem(struct pdb_methods *methods, const DOM_SID *alias, const DOM_SID *member) { return del_aliasmem(alias, member); } NTSTATUS pdb_default_enum_aliasmem(struct pdb_methods *methods, const DOM_SID *alias, DOM_SID **members, int *num_members) { return enum_aliasmem(alias, members, num_members); } NTSTATUS pdb_default_alias_memberships(struct pdb_methods *methods, const DOM_SID *sid, DOM_SID **aliases, int *num) { return alias_memberships(sid, aliases, num); } /********************************************************************** no ops for passdb backends that don't implement group mapping *********************************************************************/ NTSTATUS pdb_nop_getgrsid(struct pdb_methods *methods, GROUP_MAP *map, DOM_SID sid) { return NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_nop_getgrgid(struct pdb_methods *methods, GROUP_MAP *map, gid_t gid) { return NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_nop_getgrnam(struct pdb_methods *methods, GROUP_MAP *map, const char *name) { return NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_nop_add_group_mapping_entry(struct pdb_methods *methods, GROUP_MAP *map) { return NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_nop_update_group_mapping_entry(struct pdb_methods *methods, GROUP_MAP *map) { return NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_nop_delete_group_mapping_entry(struct pdb_methods *methods, DOM_SID sid) { return NT_STATUS_UNSUCCESSFUL; } NTSTATUS pdb_nop_enum_group_mapping(struct pdb_methods *methods, enum SID_NAME_USE sid_name_use, GROUP_MAP **rmap, int *num_entries, BOOL unix_only) { return NT_STATUS_UNSUCCESSFUL; }