/* * Unix SMB/CIFS implementation. * RPC Pipe client / server routines * Copyright (C) Andrew Tridgell 1992-2000, * Copyright (C) Jean François Micouleau 1998-2001. * Copyright (C) Volker Lendecke 2006. * Copyright (C) Gerald Carter 2006. * * 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/" static BOOL enum_group_mapping(const DOM_SID *sid, enum SID_NAME_USE sid_name_use, GROUP_MAP **pp_rmap, size_t *p_num_entries, BOOL unix_only); static BOOL group_map_remove(const DOM_SID *sid); /**************************************************************************** Open the group mapping tdb. ****************************************************************************/ static BOOL init_group_mapping(void) { const char *vstring = "INFO/version"; int32 vers_id; GROUP_MAP *map_table = NULL; size_t num_entries = 0; if (tdb) 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; } /* handle a Samba upgrade */ tdb_lock_bystring(tdb, vstring); /* 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 its an unknown version we remove everthing in the db */ 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); /* cleanup any map entries with a gid == -1 */ if ( enum_group_mapping( NULL, SID_NAME_UNKNOWN, &map_table, &num_entries, False ) ) { int i; for ( i=0; isid); 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 ****************************************************************************/ NTSTATUS 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 NT_STATUS_UNSUCCESSFUL; } map.gid=gid; if (!string_to_sid(&map.sid, sid)) { DEBUG(0, ("string_to_sid failed: %s", sid)); return NT_STATUS_UNSUCCESSFUL; } map.sid_name_use=sid_name_use; fstrcpy(map.nt_name, nt_name); fstrcpy(map.comment, comment); return pdb_add_group_mapping_entry(&map); } /**************************************************************************** Map a unix group to a newly created mapping ****************************************************************************/ NTSTATUS map_unix_group(const struct group *grp, GROUP_MAP *pmap) { NTSTATUS status; GROUP_MAP map; const char *grpname, *dom, *name; uint32 rid; if (pdb_getgrgid(&map, grp->gr_gid)) { return NT_STATUS_GROUP_EXISTS; } map.gid = grp->gr_gid; grpname = grp->gr_name; if (lookup_name(tmp_talloc_ctx(), grpname, LOOKUP_NAME_ISOLATED, &dom, &name, NULL, NULL)) { const char *tmp = talloc_asprintf( tmp_talloc_ctx(), "Unix Group %s", grp->gr_name); DEBUG(5, ("%s exists as %s\\%s, retrying as \"%s\"\n", grpname, dom, name, tmp)); grpname = tmp; } if (lookup_name(tmp_talloc_ctx(), grpname, LOOKUP_NAME_ISOLATED, NULL, NULL, NULL, NULL)) { DEBUG(3, ("\"%s\" exists, can't map it\n", grp->gr_name)); return NT_STATUS_GROUP_EXISTS; } fstrcpy(map.nt_name, grpname); if (pdb_rid_algorithm()) { rid = pdb_gid_to_group_rid( grp->gr_gid ); } else { if (!pdb_new_rid(&rid)) { DEBUG(3, ("Could not get a new RID for %s\n", grp->gr_name)); return NT_STATUS_ACCESS_DENIED; } } sid_compose(&map.sid, get_global_sam_sid(), rid); map.sid_name_use = SID_NAME_DOM_GRP; fstrcpy(map.comment, talloc_asprintf(tmp_talloc_ctx(), "Unix Group %s", grp->gr_name)); status = pdb_add_group_mapping_entry(&map); if (NT_STATUS_IS_OK(status)) { *pmap = map; } return status; } /**************************************************************************** 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 ( strequal(name, map->nt_name) ) { SAFE_FREE(kbuf.dptr); return True; } } return False; } /**************************************************************************** Remove a group mapping entry. ****************************************************************************/ static BOOL group_map_remove(const 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(const DOM_SID *domsid, enum SID_NAME_USE sid_name_use, GROUP_MAP **pp_rmap, size_t *p_num_entries, BOOL unix_only) { TDB_DATA kbuf, dbuf, newkey; fstring string_sid; GROUP_MAP map; GROUP_MAP *mapt; int ret; size_t entries=0; DOM_SID grpsid; uint32 rid; if(!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return(False); } *p_num_entries=0; *pp_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(&grpsid, string_sid); sid_copy( &map.sid, &grpsid ); sid_split_rid( &grpsid, &rid ); /* Only check the domain if we were given one */ if ( domsid && !sid_equal( domsid, &grpsid ) ) { DEBUG(11,("enum_group_mapping: group %s is not in domain %s\n", string_sid, sid_string_static(domsid))); continue; } DEBUG(11,("enum_group_mapping: returning group %s of " "type %s\n", map.nt_name, sid_type_lookup(map.sid_name_use))); (*pp_rmap) = SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1); if (!(*pp_rmap)) { DEBUG(0,("enum_group_mapping: Unable to enlarge group map!\n")); return False; } mapt = (*pp_rmap); 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++; } *p_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 one_alias_membership(const DOM_SID *member, DOM_SID **sids, size_t *num) { fstring key, string_sid; TDB_DATA kbuf, dbuf; const char *p; if (!init_group_mapping()) { DEBUG(0,("failed to initialize group mapping\n")); return NT_STATUS_ACCESS_DENIED; } sid_to_string(string_sid, member); 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_unique(NULL, &alias, sids, num); if (sids == NULL) return NT_STATUS_NO_MEMORY; } SAFE_FREE(dbuf.dptr); return NT_STATUS_OK; } static NTSTATUS alias_memberships(const DOM_SID *members, size_t num_members, DOM_SID **sids, size_t *num) { size_t i; *num = 0; *sids = NULL; 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(NULL, &member, closure->sids, closure->num); } return 0; } static NTSTATUS enum_aliasmem(const DOM_SID *alias, DOM_SID **sids, size_t *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; size_t i, num; BOOL found = False; char *member_string; TDB_DATA kbuf, dbuf; pstring key; fstring sid_string; result = alias_memberships(member, 1, &sids, &num); if (!NT_STATUS_IS_OK(result)) return result; for (i=0; int_name, "None" ); fstrcpy( map->comment, "Ordinary Users" ); sid_copy( &map->sid, &sid ); map->sid_name_use = SID_NAME_DOM_GRP; return True; } return False; } DEBUG(10, ("get_domain_group_from_sid: SID found in the TDB\n")); /* if it's not a domain group, continue */ if (map->sid_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; } /**************************************************************************** Create a UNIX group on demand. ****************************************************************************/ int smb_create_group(const 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, &fd); DEBUG(ret ? 0 : 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); } } 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(const 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(ret ? 0 : 3,("smb_delete_group: Running the command `%s' gave %d\n",del_script,ret)); return ret; } 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); flush_pwnam_cache(); DEBUG(ret ? 0 : 3,("smb_set_primary_group: " "Running the command `%s' gave %d\n",add_script,ret)); return ret; } return -1; } /**************************************************************************** Add a user to a UNIX group. ****************************************************************************/ int smb_add_user_group(const char *unix_group, const 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(ret ? 0 : 3,("smb_add_user_group: Running the command `%s' gave %d\n",add_script,ret)); return ret; } 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(ret ? 0 : 3,("smb_delete_user_group: Running the command `%s' gave %d\n",del_script,ret)); return ret; } 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, const DOM_SID *sid, enum SID_NAME_USE sid_name_use, GROUP_MAP **pp_rmap, size_t *p_num_entries, BOOL unix_only) { return enum_group_mapping(sid, sid_name_use, pp_rmap, p_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; BOOL exists; GROUP_MAP map; TALLOC_CTX *mem_ctx; NTSTATUS status; DEBUG(10, ("Trying to create alias %s\n", name)); mem_ctx = talloc_new(NULL); if (mem_ctx == NULL) { return NT_STATUS_NO_MEMORY; } exists = lookup_name(mem_ctx, name, LOOKUP_NAME_ISOLATED, NULL, NULL, &sid, &type); TALLOC_FREE(mem_ctx); if (exists) { return NT_STATUS_ALIAS_EXISTS; } if (!winbind_allocate_gid(&gid)) { DEBUG(3, ("Could not get a gid out of winbind\n")); return NT_STATUS_ACCESS_DENIED; } if (!pdb_new_rid(&new_rid)) { DEBUG(0, ("Could not allocate a RID -- wasted a gid :-(\n")); return NT_STATUS_ACCESS_DENIED; } DEBUG(10, ("Creating alias %s with gid %d and rid %d\n", name, gid, new_rid)); sid_copy(&sid, get_global_sam_sid()); sid_append_rid(&sid, new_rid); map.gid = gid; sid_copy(&map.sid, &sid); map.sid_name_use = SID_NAME_ALIAS; fstrcpy(map.nt_name, name); fstrcpy(map.comment, ""); status = pdb_add_group_mapping_entry(&map); if (!NT_STATUS_IS_OK(status)) { DEBUG(0, ("Could not add group mapping entry for alias %s " "(%s)\n", name, nt_errstr(status))); return status; } *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); } 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; if ((map.sid_name_use != SID_NAME_ALIAS) && (map.sid_name_use != SID_NAME_WKN_GRP)) { DEBUG(2, ("%s is a %s, expected an alias\n", sid_string_static(sid), sid_type_lookup(map.sid_name_use))); 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.nt_name, info->acct_name); fstrcpy(map.comment, info->acct_desc); return pdb_update_group_mapping_entry(&map); } 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 **pp_members, size_t *p_num_members) { return enum_aliasmem(alias, pp_members, p_num_members); } NTSTATUS pdb_default_alias_memberships(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, const DOM_SID *domain_sid, const DOM_SID *members, size_t num_members, uint32 **pp_alias_rids, size_t *p_num_alias_rids) { DOM_SID *alias_sids; size_t i, num_alias_sids; NTSTATUS result; alias_sids = NULL; num_alias_sids = 0; result = alias_memberships(members, num_members, &alias_sids, &num_alias_sids); if (!NT_STATUS_IS_OK(result)) return result; *pp_alias_rids = TALLOC_ARRAY(mem_ctx, uint32, num_alias_sids); if (*pp_alias_rids == NULL) return NT_STATUS_NO_MEMORY; *p_num_alias_rids = 0; for (i=0; iacct_name, map.nt_name); fstrcpy(info->acct_desc, map.comment); sid_peek_rid(sid, &info->rid); return True; } BOOL pdb_set_dom_grp_info(const DOM_SID *sid, const struct acct_info *info) { GROUP_MAP map; if (!get_domain_group_from_sid(*sid, &map)) return False; fstrcpy(map.nt_name, info->acct_name); fstrcpy(map.comment, info->acct_desc); return NT_STATUS_IS_OK(pdb_update_group_mapping_entry(&map)); } /******************************************************************** Really just intended to be called by smbd ********************************************************************/ NTSTATUS pdb_create_builtin_alias(uint32 rid) { DOM_SID sid; enum SID_NAME_USE type; gid_t gid; GROUP_MAP map; TALLOC_CTX *mem_ctx; NTSTATUS status; const char *name = NULL; fstring groupname; DEBUG(10, ("Trying to create builtin alias %d\n", rid)); if ( !sid_compose( &sid, &global_sid_Builtin, rid ) ) { return NT_STATUS_NO_SUCH_ALIAS; } if ( (mem_ctx = talloc_new(NULL)) == NULL ) { return NT_STATUS_NO_MEMORY; } if ( !lookup_sid(mem_ctx, &sid, NULL, &name, &type) ) { TALLOC_FREE( mem_ctx ); return NT_STATUS_NO_SUCH_ALIAS; } /* validate RID so copy the name and move on */ fstrcpy( groupname, name ); TALLOC_FREE( mem_ctx ); if (!winbind_allocate_gid(&gid)) { DEBUG(3, ("pdb_create_builtin_alias: Could not get a gid out of winbind\n")); return NT_STATUS_ACCESS_DENIED; } DEBUG(10,("Creating alias %s with gid %d\n", name, gid)); map.gid = gid; sid_copy(&map.sid, &sid); map.sid_name_use = SID_NAME_ALIAS; fstrcpy(map.nt_name, name); fstrcpy(map.comment, ""); status = pdb_add_group_mapping_entry(&map); if (!NT_STATUS_IS_OK(status)) { DEBUG(0, ("pdb_create_builtin_alias: Could not add group mapping entry for alias %d " "(%s)\n", rid, nt_errstr(status))); } return status; }