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-rw-r--r--source3/groupdb/mapping.c893
1 files changed, 893 insertions, 0 deletions
diff --git a/source3/groupdb/mapping.c b/source3/groupdb/mapping.c
new file mode 100644
index 0000000..cb6a611
--- /dev/null
+++ b/source3/groupdb/mapping.c
@@ -0,0 +1,893 @@
+/*
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "includes.h"
+#include "system/passwd.h"
+#include "passdb.h"
+#include "groupdb/mapping.h"
+#include "../libcli/security/security.h"
+#include "lib/winbind_util.h"
+#include <tdb.h>
+#include "groupdb/mapping_tdb.h"
+#include "lib/util/smb_strtox.h"
+
+static const struct mapping_backend *backend;
+
+/*
+ initialise a group mapping backend
+ */
+static bool init_group_mapping(void)
+{
+ if (backend != NULL) {
+ /* already initialised */
+ return True;
+ }
+
+ backend = groupdb_tdb_init();
+
+ return backend != NULL;
+}
+
+/****************************************************************************
+initialise first time the mapping list
+****************************************************************************/
+NTSTATUS add_initial_entry(gid_t gid, const char *sid, enum lsa_SidType sid_name_use, const char *nt_name, const char *comment)
+{
+ NTSTATUS status;
+ GROUP_MAP *map;
+
+ if(!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ map = talloc_zero(NULL, GROUP_MAP);
+ if (!map) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ map->gid=gid;
+ if (!string_to_sid(&map->sid, sid)) {
+ DEBUG(0, ("string_to_sid failed: %s\n", sid));
+ status = NT_STATUS_UNSUCCESSFUL;
+ goto done;
+ }
+
+ map->sid_name_use=sid_name_use;
+ map->nt_name = talloc_strdup(map, nt_name);
+ if (!map->nt_name) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ if (comment) {
+ map->comment = talloc_strdup(map, comment);
+ } else {
+ map->comment = talloc_strdup(map, "");
+ }
+ if (!map->comment) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ status = pdb_add_group_mapping_entry(map);
+
+done:
+ TALLOC_FREE(map);
+ return status;
+}
+
+static NTSTATUS alias_memberships(const struct dom_sid *members, size_t num_members,
+ struct dom_sid **sids, size_t *num)
+{
+ size_t i;
+
+ *num = 0;
+ *sids = NULL;
+
+ for (i=0; i<num_members; i++) {
+ NTSTATUS status = backend->one_alias_membership(&members[i], sids, num);
+ if (!NT_STATUS_IS_OK(status))
+ return status;
+ }
+ return NT_STATUS_OK;
+}
+
+struct aliasmem_closure {
+ const struct dom_sid *alias;
+ struct dom_sid **sids;
+ size_t *num;
+};
+
+
+
+/*
+ *
+ * High level functions
+ * better to use them than the lower ones.
+ *
+ * we are checking if the group is in the mapping file
+ * and if the group is an existing unix group
+ *
+ */
+
+/* get a domain group from it's SID */
+
+bool get_domain_group_from_sid(struct 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);
+ }
+
+ DEBUG(10, ("get_domain_group_from_sid\n"));
+
+ /* if the group is NOT in the database, it CAN NOT be a domain group */
+
+ become_root();
+ ret = pdb_getgrsid(map, sid);
+ unbecome_root();
+
+ /* special case check for rid 513 */
+
+ if ( !ret ) {
+ uint32_t rid;
+
+ sid_peek_rid( &sid, &rid );
+
+ if ( rid == DOMAIN_RID_USERS ) {
+ map->nt_name = talloc_strdup(map, "None");
+ if (!map->nt_name) {
+ return false;
+ }
+ map->comment = talloc_strdup(map, "Ordinary Users");
+ if (!map->comment) {
+ return false;
+ }
+ sid_copy( &map->sid, &sid );
+ map->sid_name_use = SID_NAME_DOM_GRP;
+ map->gid = (gid_t)-1;
+ return True;
+ }
+ return False;
+ }
+
+ DEBUG(10, ("get_domain_group_from_sid: SID found in passdb\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)
+{
+ const struct loadparm_substitution *lp_sub =
+ loadparm_s3_global_substitution();
+ char *add_script = NULL;
+ int ret = -1;
+ int fd = 0;
+ int error = 0;
+
+ *new_gid = 0;
+
+ /* defer to scripts */
+
+ if ( *lp_add_group_script(talloc_tos(), lp_sub) ) {
+ TALLOC_CTX *ctx = talloc_tos();
+
+ add_script = talloc_strdup(ctx,
+ lp_add_group_script(ctx, lp_sub));
+ if (!add_script) {
+ return -1;
+ }
+ add_script = talloc_string_sub(ctx,
+ add_script, "%g", unix_group);
+ if (!add_script) {
+ return -1;
+ }
+
+ ret = smbrun(add_script, &fd, NULL);
+ DEBUG(ret ? 0 : 3,("smb_create_group: Running the command `%s' gave %d\n",add_script,ret));
+ if (ret == 0) {
+ smb_nscd_flush_group_cache();
+ }
+ if (ret != 0)
+ return ret;
+
+ if (fd != 0) {
+ fstring output;
+ ssize_t nread;
+
+ *new_gid = 0;
+
+ nread = read(fd, output, sizeof(output)-1);
+ if (nread > 0) {
+ output[nread] = '\0';
+ *new_gid = (gid_t)smb_strtoul(output,
+ NULL,
+ 10,
+ &error,
+ SMB_STR_STANDARD);
+ if (error != 0) {
+ *new_gid = 0;
+ close(fd);
+ return -1;
+ }
+ }
+
+ 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)
+{
+ const struct loadparm_substitution *lp_sub =
+ loadparm_s3_global_substitution();
+ char *del_script = NULL;
+ int ret = -1;
+
+ /* defer to scripts */
+
+ if ( *lp_delete_group_script(talloc_tos(), lp_sub) ) {
+ TALLOC_CTX *ctx = talloc_tos();
+
+ del_script = talloc_strdup(ctx,
+ lp_delete_group_script(ctx, lp_sub));
+ if (!del_script) {
+ return -1;
+ }
+ del_script = talloc_string_sub(ctx,
+ del_script, "%g", unix_group);
+ if (!del_script) {
+ return -1;
+ }
+ ret = smbrun(del_script, NULL, NULL);
+ DEBUG(ret ? 0 : 3,("smb_delete_group: Running the command `%s' gave %d\n",del_script,ret));
+ if (ret == 0) {
+ smb_nscd_flush_group_cache();
+ }
+ return ret;
+ }
+
+ return -1;
+}
+
+/****************************************************************************
+ Set a user's primary UNIX group.
+****************************************************************************/
+
+int smb_set_primary_group(const char *unix_group, const char* unix_user)
+{
+ const struct loadparm_substitution *lp_sub =
+ loadparm_s3_global_substitution();
+ char *add_script = NULL;
+ int ret = -1;
+
+ /* defer to scripts */
+
+ if ( *lp_set_primary_group_script(talloc_tos(), lp_sub) ) {
+ TALLOC_CTX *ctx = talloc_tos();
+
+ add_script = talloc_strdup(ctx,
+ lp_set_primary_group_script(ctx, lp_sub));
+ if (!add_script) {
+ return -1;
+ }
+ add_script = talloc_all_string_sub(ctx,
+ add_script, "%g", unix_group);
+ if (!add_script) {
+ return -1;
+ }
+ add_script = talloc_string_sub(ctx,
+ add_script, "%u", unix_user);
+ if (!add_script) {
+ return -1;
+ }
+ ret = smbrun(add_script, NULL, NULL);
+ flush_pwnam_cache();
+ DEBUG(ret ? 0 : 3,("smb_set_primary_group: "
+ "Running the command `%s' gave %d\n",add_script,ret));
+ if (ret == 0) {
+ smb_nscd_flush_group_cache();
+ }
+ return ret;
+ }
+
+ return -1;
+}
+
+/****************************************************************************
+ Add a user to a UNIX group.
+****************************************************************************/
+
+int smb_add_user_group(const char *unix_group, const char *unix_user)
+{
+ const struct loadparm_substitution *lp_sub =
+ loadparm_s3_global_substitution();
+ char *add_script = NULL;
+ int ret = -1;
+
+ /* defer to scripts */
+
+ if ( *lp_add_user_to_group_script(talloc_tos(), lp_sub) ) {
+ TALLOC_CTX *ctx = talloc_tos();
+
+ add_script = talloc_strdup(ctx,
+ lp_add_user_to_group_script(ctx, lp_sub));
+ if (!add_script) {
+ return -1;
+ }
+ add_script = talloc_string_sub(ctx,
+ add_script, "%g", unix_group);
+ if (!add_script) {
+ return -1;
+ }
+ add_script = talloc_string_sub2(ctx,
+ add_script, "%u", unix_user, true, false, true);
+ if (!add_script) {
+ return -1;
+ }
+ ret = smbrun(add_script, NULL, NULL);
+ DEBUG(ret ? 0 : 3,("smb_add_user_group: Running the command `%s' gave %d\n",add_script,ret));
+ if (ret == 0) {
+ smb_nscd_flush_group_cache();
+ }
+ return ret;
+ }
+
+ return -1;
+}
+
+/****************************************************************************
+ Delete a user from a UNIX group
+****************************************************************************/
+
+int smb_delete_user_group(const char *unix_group, const char *unix_user)
+{
+ const struct loadparm_substitution *lp_sub =
+ loadparm_s3_global_substitution();
+ char *del_script = NULL;
+ int ret = -1;
+
+ /* defer to scripts */
+
+ if ( *lp_delete_user_from_group_script(talloc_tos(), lp_sub) ) {
+ TALLOC_CTX *ctx = talloc_tos();
+
+ del_script = talloc_strdup(ctx,
+ lp_delete_user_from_group_script(ctx, lp_sub));
+ if (!del_script) {
+ return -1;
+ }
+ del_script = talloc_string_sub(ctx,
+ del_script, "%g", unix_group);
+ if (!del_script) {
+ return -1;
+ }
+ del_script = talloc_string_sub2(ctx,
+ del_script, "%u", unix_user, true, false, true);
+ if (!del_script) {
+ return -1;
+ }
+ ret = smbrun(del_script, NULL, NULL);
+ DEBUG(ret ? 0 : 3,("smb_delete_user_group: Running the command `%s' gave %d\n",del_script,ret));
+ if (ret == 0) {
+ smb_nscd_flush_group_cache();
+ }
+ return ret;
+ }
+
+ return -1;
+}
+
+
+NTSTATUS pdb_default_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
+ struct dom_sid sid)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->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)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->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)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->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)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->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)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->add_mapping_entry(map, TDB_REPLACE) ?
+ NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS pdb_default_delete_group_mapping_entry(struct pdb_methods *methods,
+ struct dom_sid sid)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->group_map_remove(&sid) ?
+ NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS pdb_default_enum_group_mapping(struct pdb_methods *methods,
+ const struct dom_sid *sid,
+ enum lsa_SidType sid_name_use,
+ GROUP_MAP ***pp_rmap,
+ size_t *p_num_entries,
+ bool unix_only)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->enum_group_mapping(sid, sid_name_use, pp_rmap, p_num_entries, unix_only) ?
+ NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS pdb_default_create_alias(struct pdb_methods *methods,
+ const char *name, uint32_t *rid)
+{
+ struct dom_sid sid;
+ enum lsa_SidType type;
+ uint32_t 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_LOCAL,
+ NULL, NULL, &sid, &type);
+
+ if (exists) {
+ status = NT_STATUS_ALIAS_EXISTS;
+ goto done;
+ }
+
+ if (!pdb_new_rid(&new_rid)) {
+ DEBUG(0, ("Could not allocate a RID.\n"));
+ status = NT_STATUS_ACCESS_DENIED;
+ goto done;
+ }
+
+ sid_compose(&sid, get_global_sam_sid(), new_rid);
+
+ if (!winbind_allocate_gid(&gid)) {
+ DEBUG(3, ("Could not get a gid out of winbind - "
+ "wasted a rid :-(\n"));
+ status = NT_STATUS_ACCESS_DENIED;
+ goto done;
+ }
+
+ DEBUG(10, ("Creating alias %s with gid %u and rid %u\n",
+ name, (unsigned int)gid, (unsigned int)new_rid));
+
+ map = talloc_zero(mem_ctx, GROUP_MAP);
+ if (!map) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ map->gid = gid;
+ sid_copy(&map->sid, &sid);
+ map->sid_name_use = SID_NAME_ALIAS;
+ map->nt_name = talloc_strdup(map, name);
+ if (!map->nt_name) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ map->comment = talloc_strdup(map, "");
+ if (!map->comment) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ 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)));
+ goto done;
+ }
+
+ *rid = new_rid;
+
+done:
+ TALLOC_FREE(mem_ctx);
+ return status;
+}
+
+NTSTATUS pdb_default_delete_alias(struct pdb_methods *methods,
+ const struct dom_sid *sid)
+{
+ return pdb_delete_group_mapping_entry(*sid);
+}
+
+NTSTATUS pdb_default_get_aliasinfo(struct pdb_methods *methods,
+ const struct dom_sid *sid,
+ struct acct_info *info)
+{
+ NTSTATUS status = NT_STATUS_OK;
+ GROUP_MAP *map;
+
+ map = talloc_zero(NULL, GROUP_MAP);
+ if (!map) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_getgrsid(map, *sid)) {
+ status = NT_STATUS_NO_SUCH_ALIAS;
+ goto done;
+ }
+
+ if ((map->sid_name_use != SID_NAME_ALIAS) &&
+ (map->sid_name_use != SID_NAME_WKN_GRP)) {
+ struct dom_sid_buf buf;
+ DEBUG(2, ("%s is a %s, expected an alias\n",
+ dom_sid_str_buf(sid, &buf),
+ sid_type_lookup(map->sid_name_use)));
+ status = NT_STATUS_NO_SUCH_ALIAS;
+ goto done;
+ }
+
+ info->acct_name = talloc_move(info, &map->nt_name);
+ if (!info->acct_name) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ info->acct_desc = talloc_move(info, &map->comment);
+ if (!info->acct_desc) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ sid_peek_rid(&map->sid, &info->rid);
+
+done:
+ TALLOC_FREE(map);
+ return status;
+}
+
+NTSTATUS pdb_default_set_aliasinfo(struct pdb_methods *methods,
+ const struct dom_sid *sid,
+ struct acct_info *info)
+{
+ NTSTATUS status;
+ GROUP_MAP *map;
+
+ map = talloc_zero(NULL, GROUP_MAP);
+ if (!map) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_getgrsid(map, *sid)) {
+ status = NT_STATUS_NO_SUCH_ALIAS;
+ goto done;
+ }
+
+ map->nt_name = talloc_strdup(map, info->acct_name);
+ if (!map->nt_name) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ map->comment = talloc_strdup(map, info->acct_desc);
+ if (!map->comment) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ status = pdb_update_group_mapping_entry(map);
+
+done:
+ TALLOC_FREE(map);
+ return status;
+}
+
+NTSTATUS pdb_default_add_aliasmem(struct pdb_methods *methods,
+ const struct dom_sid *alias, const struct dom_sid *member)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->add_aliasmem(alias, member);
+}
+
+NTSTATUS pdb_default_del_aliasmem(struct pdb_methods *methods,
+ const struct dom_sid *alias, const struct dom_sid *member)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->del_aliasmem(alias, member);
+}
+
+NTSTATUS pdb_default_enum_aliasmem(struct pdb_methods *methods,
+ const struct dom_sid *alias, TALLOC_CTX *mem_ctx,
+ struct dom_sid **pp_members, size_t *p_num_members)
+{
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ return backend->enum_aliasmem(alias, mem_ctx, pp_members,
+ p_num_members);
+}
+
+NTSTATUS pdb_default_alias_memberships(struct pdb_methods *methods,
+ TALLOC_CTX *mem_ctx,
+ const struct dom_sid *domain_sid,
+ const struct dom_sid *members,
+ size_t num_members,
+ uint32_t **pp_alias_rids,
+ size_t *p_num_alias_rids)
+{
+ struct dom_sid *alias_sids;
+ size_t i, num_alias_sids;
+ NTSTATUS result;
+
+ if (!init_group_mapping()) {
+ DEBUG(0,("failed to initialize group mapping\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ 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;
+
+ *p_num_alias_rids = 0;
+
+ if (num_alias_sids == 0) {
+ TALLOC_FREE(alias_sids);
+ return NT_STATUS_OK;
+ }
+
+ *pp_alias_rids = talloc_array(mem_ctx, uint32_t, num_alias_sids);
+ if (*pp_alias_rids == NULL)
+ return NT_STATUS_NO_MEMORY;
+
+ for (i=0; i<num_alias_sids; i++) {
+ if (!sid_peek_check_rid(domain_sid, &alias_sids[i],
+ &(*pp_alias_rids)[*p_num_alias_rids]))
+ continue;
+ *p_num_alias_rids += 1;
+ }
+
+ TALLOC_FREE(alias_sids);
+
+ return NT_STATUS_OK;
+}
+
+/**********************************************************************
+ no ops for passdb backends that don't implement group mapping
+ *********************************************************************/
+
+NTSTATUS pdb_nop_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
+ struct 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,
+ struct dom_sid sid)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS pdb_nop_enum_group_mapping(struct pdb_methods *methods,
+ enum lsa_SidType sid_name_use,
+ GROUP_MAP **rmap, size_t *num_entries,
+ bool unix_only)
+{
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+/**
+* @brief Add a new group mapping
+*
+* @param[in] gid gid to use to store the mapping. If gid is 0,
+* new gid will be allocated from winbind
+*
+* @return Normal NTSTATUS return
+*/
+NTSTATUS pdb_create_builtin_alias(uint32_t rid, gid_t gid)
+{
+ struct dom_sid sid;
+ enum lsa_SidType type;
+ gid_t gidformap;
+ GROUP_MAP *map;
+ NTSTATUS status;
+ const char *name = NULL;
+
+ DEBUG(10, ("Trying to create builtin alias %d\n", rid));
+
+ if ( !sid_compose( &sid, &global_sid_Builtin, rid ) ) {
+ return NT_STATUS_NO_SUCH_ALIAS;
+ }
+
+ /* use map as overall temp mem context */
+ map = talloc_zero(NULL, GROUP_MAP);
+ if (!map) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!lookup_sid(map, &sid, NULL, &name, &type)) {
+ status = NT_STATUS_NO_SUCH_ALIAS;
+ goto done;
+ }
+
+ if (gid == 0) {
+ if (!winbind_allocate_gid(&gidformap)) {
+ DEBUG(3, ("pdb_create_builtin_alias: Could not get a "
+ "gid out of winbind\n"));
+ status = NT_STATUS_ACCESS_DENIED;
+ goto done;
+ }
+ } else {
+ gidformap = gid;
+ }
+
+ DEBUG(10, ("Creating alias %s with gid %u\n", name,
+ (unsigned) gidformap));
+
+ map->gid = gidformap;
+ sid_copy(&map->sid, &sid);
+ map->sid_name_use = SID_NAME_ALIAS;
+ map->nt_name = talloc_strdup(map, name);
+ if (!map->nt_name) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ map->comment = talloc_strdup(map, "");
+ if (!map->comment) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ 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)));
+ }
+
+done:
+ TALLOC_FREE(map);
+ return status;
+}
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-16 15:23:36 +0000