domain_name, names, types);
}
+/* Lookup groups a user is a member of - alternate method, for when
+ tokenGroups are not available. */
+static NTSTATUS lookup_usergroups_member(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ const char *user_dn,
+ struct dom_sid *primary_group,
+ uint32_t *p_num_groups, struct dom_sid **user_sids)
+{
+ ADS_STATUS rc;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ int count;
+ LDAPMessage *res = NULL;
+ LDAPMessage *msg = NULL;
+ char *ldap_exp;
+ ADS_STRUCT *ads;
+ const char *group_attrs[] = {"objectSid", NULL};
+ char *escaped_dn;
+ uint32_t num_groups = 0;
+
+ DEBUG(3,("ads: lookup_usergroups_member\n"));
+
+ if ( !winbindd_can_contact_domain( domain ) ) {
+ DEBUG(10,("lookup_usergroups_members: No incoming trust for domain %s\n",
+ domain->name));
+ return NT_STATUS_OK;
+ }
+
+ ads = ads_cached_connection(domain);
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ goto done;
+ }
+
+ if (!(escaped_dn = escape_ldap_string(talloc_tos(), user_dn))) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ ldap_exp = talloc_asprintf(mem_ctx,
+ "(&(member=%s)(objectCategory=group)(groupType:dn:%s:=%d))",
+ escaped_dn,
+ ADS_LDAP_MATCHING_RULE_BIT_AND,
+ GROUP_TYPE_SECURITY_ENABLED);
+ if (!ldap_exp) {
+ DEBUG(1,("lookup_usergroups(dn=%s) asprintf failed!\n", user_dn));
+ TALLOC_FREE(escaped_dn);
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ TALLOC_FREE(escaped_dn);
+
+ rc = ads_search_retry(ads, &res, ldap_exp, group_attrs);
+
+ if (!ADS_ERR_OK(rc)) {
+ DEBUG(1,("lookup_usergroups ads_search member=%s: %s\n", user_dn, ads_errstr(rc)));
+ return ads_ntstatus(rc);
+ } else if (!res) {
+ DEBUG(1,("lookup_usergroups ads_search returned NULL res\n"));
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+
+ count = ads_count_replies(ads, res);
+
+ *user_sids = NULL;
+ num_groups = 0;
+
+ /* always add the primary group to the sid array */
+ status = add_sid_to_array(mem_ctx, primary_group, user_sids,
+ &num_groups);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ if (count > 0) {
+ for (msg = ads_first_entry(ads, res); msg;
+ msg = ads_next_entry(ads, msg)) {
+ struct dom_sid group_sid;
+
+ if (!ads_pull_sid(ads, msg, "objectSid", &group_sid)) {
+ DEBUG(1,("No sid for this group ?!?\n"));
+ continue;
+ }
+
+ /* ignore Builtin groups from ADS - Guenther */
+ if (sid_check_is_in_builtin(&group_sid)) {
+ continue;
+ }
+
+ status = add_sid_to_array(mem_ctx, &group_sid,
+ user_sids, &num_groups);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+ }
+
+ }
+
+ *p_num_groups = num_groups;
+ status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
+
+ DEBUG(3,("ads lookup_usergroups (member) succeeded for dn=%s\n", user_dn));
+done:
+ if (res)
+ ads_msgfree(ads, res);
+
+ return status;
+}
+
+/* Lookup groups a user is a member of - alternate method, for when
+ tokenGroups are not available. */
+static NTSTATUS lookup_usergroups_memberof(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ const char *user_dn,
+ struct dom_sid *primary_group,
+ uint32_t *p_num_groups,
+ struct dom_sid **user_sids)
+{
+ ADS_STATUS rc;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ ADS_STRUCT *ads;
+ const char *attrs[] = {"memberOf", NULL};
+ uint32_t num_groups = 0;
+ struct dom_sid *group_sids = NULL;
+ int i;
+ char **strings = NULL;
+ size_t num_strings = 0, num_sids = 0;
+
+
+ DEBUG(3,("ads: lookup_usergroups_memberof\n"));
+
+ if ( !winbindd_can_contact_domain( domain ) ) {
+ DEBUG(10,("lookup_usergroups_memberof: No incoming trust for "
+ "domain %s\n", domain->name));
+ return NT_STATUS_OK;
+ }
+
+ ads = ads_cached_connection(domain);
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ rc = ads_search_retry_extended_dn_ranged(ads, mem_ctx, user_dn, attrs,
+ ADS_EXTENDED_DN_HEX_STRING,
+ &strings, &num_strings);
+
+ if (!ADS_ERR_OK(rc)) {
+ DEBUG(1,("lookup_usergroups_memberof ads_search "
+ "member=%s: %s\n", user_dn, ads_errstr(rc)));
+ return ads_ntstatus(rc);
+ }
+
+ *user_sids = NULL;
+ num_groups = 0;
+
+ /* always add the primary group to the sid array */
+ status = add_sid_to_array(mem_ctx, primary_group, user_sids,
+ &num_groups);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ group_sids = talloc_zero_array(mem_ctx, struct dom_sid, num_strings + 1);
+ if (!group_sids) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ for (i=0; i<num_strings; i++) {
+ rc = ads_get_sid_from_extended_dn(mem_ctx, strings[i],
+ ADS_EXTENDED_DN_HEX_STRING,
+ &(group_sids)[i]);
+ if (!ADS_ERR_OK(rc)) {
+ /* ignore members without SIDs */
+ if (NT_STATUS_EQUAL(ads_ntstatus(rc),
+ NT_STATUS_NOT_FOUND)) {
+ continue;
+ }
+ else {
+ status = ads_ntstatus(rc);
+ goto done;
+ }
+ }
+ num_sids++;
+ }
+
+ if (i == 0) {
+ DEBUG(1,("No memberOf for this user?!?\n"));
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ for (i=0; i<num_sids; i++) {
+
+ /* ignore Builtin groups from ADS - Guenther */
+ if (sid_check_is_in_builtin(&group_sids[i])) {
+ continue;
+ }
+
+ status = add_sid_to_array(mem_ctx, &group_sids[i], user_sids,
+ &num_groups);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ }
+
+ *p_num_groups = num_groups;
+ status = (*user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
+
+ DEBUG(3,("ads lookup_usergroups (memberof) succeeded for dn=%s\n",
+ user_dn));
+
+done:
+ TALLOC_FREE(strings);
+ TALLOC_FREE(group_sids);
+
+ return status;
+}
+
+
+/* Lookup groups a user is a member of. */
+static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ const struct dom_sid *sid,
+ uint32_t *p_num_groups, struct dom_sid **user_sids)
+{
+ ADS_STRUCT *ads = NULL;
+ const char *attrs[] = {"tokenGroups", "primaryGroupID", NULL};
+ ADS_STATUS rc;
+ int count;
+ LDAPMessage *msg = NULL;
+ char *user_dn = NULL;
+ struct dom_sid *sids;
+ int i;
+ struct dom_sid primary_group;
+ uint32_t primary_group_rid;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ uint32_t num_groups = 0;
+
+ DEBUG(3,("ads: lookup_usergroups\n"));
+ *p_num_groups = 0;
+
+ status = lookup_usergroups_cached(mem_ctx, sid,
+ p_num_groups, user_sids);
+ if (NT_STATUS_IS_OK(status)) {
+ return NT_STATUS_OK;
+ }
+
+ if ( !winbindd_can_contact_domain( domain ) ) {
+ DEBUG(10,("lookup_usergroups: No incoming trust for domain %s\n",
+ domain->name));
+
+ /* Tell the cache manager not to remember this one */
+
+ return NT_STATUS_SYNCHRONIZATION_REQUIRED;
+ }
+
+ ads = ads_cached_connection(domain);
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ status = NT_STATUS_SERVER_DISABLED;
+ goto done;
+ }
+
+ rc = ads_search_retry_sid(ads, &msg, sid, attrs);
+
+ if (!ADS_ERR_OK(rc)) {
+ status = ads_ntstatus(rc);
+ DEBUG(1, ("lookup_usergroups(sid=%s) ads_search tokenGroups: "
+ "%s\n", sid_string_dbg(sid), ads_errstr(rc)));
+ goto done;
+ }
+
+ count = ads_count_replies(ads, msg);
+ if (count != 1) {
+ status = NT_STATUS_UNSUCCESSFUL;
+ DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: "
+ "invalid number of results (count=%d)\n",
+ sid_string_dbg(sid), count));
+ goto done;
+ }
+
+ if (!msg) {
+ DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: NULL msg\n",
+ sid_string_dbg(sid)));
+ status = NT_STATUS_UNSUCCESSFUL;
+ goto done;
+ }
+
+ user_dn = ads_get_dn(ads, mem_ctx, msg);
+ if (user_dn == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ if (!ads_pull_uint32(ads, msg, "primaryGroupID", &primary_group_rid)) {
+ DEBUG(1,("%s: No primary group for sid=%s !?\n",
+ domain->name, sid_string_dbg(sid)));
+ goto done;
+ }
+
+ sid_compose(&primary_group, &domain->sid, primary_group_rid);
+
+ count = ads_pull_sids(ads, mem_ctx, msg, "tokenGroups", &sids);
+
+ /* there must always be at least one group in the token,
+ unless we are talking to a buggy Win2k server */
+
+ /* actually this only happens when the machine account has no read
+ * permissions on the tokenGroup attribute - gd */
+
+ if (count == 0) {
+
+ /* no tokenGroups */
+
+ /* lookup what groups this user is a member of by DN search on
+ * "memberOf" */
+
+ status = lookup_usergroups_memberof(domain, mem_ctx, user_dn,
+ &primary_group,
+ &num_groups, user_sids);
+ *p_num_groups = num_groups;
+ if (NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ /* lookup what groups this user is a member of by DN search on
+ * "member" */
+
+ status = lookup_usergroups_member(domain, mem_ctx, user_dn,
+ &primary_group,
+ &num_groups, user_sids);
+ *p_num_groups = num_groups;
+ goto done;
+ }
+
+ *user_sids = NULL;
+ num_groups = 0;
+
+ status = add_sid_to_array(mem_ctx, &primary_group, user_sids,
+ &num_groups);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ for (i=0;i<count;i++) {
+
+ /* ignore Builtin groups from ADS - Guenther */
+ if (sid_check_is_in_builtin(&sids[i])) {
+ continue;
+ }
+
+ status = add_sid_to_array_unique(mem_ctx, &sids[i],
+ user_sids, &num_groups);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+ }
+
+ *p_num_groups = (uint32_t)num_groups;
+ status = (*user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
+
+ DEBUG(3,("ads lookup_usergroups (tokenGroups) succeeded for sid=%s\n",
+ sid_string_dbg(sid)));
+done:
+ TALLOC_FREE(user_dn);
+ ads_msgfree(ads, msg);
+ return status;
+}
+
/* Lookup aliases a user is member of - use rpc methods */
static NTSTATUS lookup_useraliases(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
name_to_sid,
sid_to_name,
rids_to_names,
+ lookup_usergroups,
lookup_useraliases,
lookup_groupmem,
sequence_number,
return status;
}
+/* Lookup groups a user is a member of. */
+static NTSTATUS sam_lookup_usergroups(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ const struct dom_sid *user_sid,
+ uint32_t *pnum_groups,
+ struct dom_sid **puser_grpsids)
+{
+ struct rpc_pipe_client *samr_pipe;
+ struct policy_handle dom_pol;
+ struct dom_sid *user_grpsids = NULL;
+ uint32_t num_groups = 0;
+ TALLOC_CTX *tmp_ctx;
+ NTSTATUS status, result;
+ struct dcerpc_binding_handle *b = NULL;
+
+ DEBUG(3,("sam_lookup_usergroups\n"));
+
+ ZERO_STRUCT(dom_pol);
+
+ if (pnum_groups) {
+ *pnum_groups = 0;
+ }
+
+ tmp_ctx = talloc_stackframe();
+ if (tmp_ctx == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = open_internal_samr_conn(tmp_ctx, domain, &samr_pipe, &dom_pol);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ b = samr_pipe->binding_handle;
+
+ status = rpc_lookup_usergroups(tmp_ctx,
+ samr_pipe,
+ &dom_pol,
+ &domain->sid,
+ user_sid,
+ &num_groups,
+ &user_grpsids);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ if (pnum_groups) {
+ *pnum_groups = num_groups;
+ }
+
+ if (puser_grpsids) {
+ *puser_grpsids = talloc_move(mem_ctx, &user_grpsids);
+ }
+
+done:
+ if (b && is_valid_policy_hnd(&dom_pol)) {
+ dcerpc_samr_Close(b, mem_ctx, &dom_pol, &result);
+ }
+
+ TALLOC_FREE(tmp_ctx);
+ return status;
+}
+
static NTSTATUS sam_lookup_useraliases(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32_t num_sids,
.name_to_sid = sam_name_to_sid,
.sid_to_name = sam_sid_to_name,
.rids_to_names = sam_rids_to_names,
+ .lookup_usergroups = sam_lookup_usergroups,
.lookup_useraliases = sam_lookup_useraliases,
.lookup_groupmem = sam_lookup_groupmem,
.sequence_number = sam_sequence_number,
.name_to_sid = sam_name_to_sid,
.sid_to_name = sam_sid_to_name,
.rids_to_names = sam_rids_to_names,
+ .lookup_usergroups = sam_lookup_usergroups,
.lookup_useraliases = sam_lookup_useraliases,
.lookup_groupmem = sam_lookup_groupmem,
.sequence_number = sam_sequence_number,
git.samba.org / samba.git / commitdiff