r22800: Add GPO_SID_TOKEN and an LDAP function to get tokensids from the tokenGroup attribute.

Guenther
(This used to be commit e4e8f84060)

source3/include/ads_protos.h

@@ -110,5 +110,10 @@ ADS_STATUS ads_do_search_all_sd_flags(ADS_STRUCT *ads, const char *bind_path,
 				       int scope, const char *expr,
 				       const char **attrs, uint32 sd_flags, 
 				       LDAPMessage **res);
-
+ADS_STATUS ads_get_tokensids(ADS_STRUCT *ads,
-
+			      TALLOC_CTX *mem_ctx,
+			      const char *dn,
+			      DOM_SID *user_sid,
+			      DOM_SID *primary_group_sid,
+			      DOM_SID **sids,
+			      size_t *num_sids);

source3/include/gpo.h

@@ -94,3 +94,10 @@ struct GP_EXT {
 
 #define GPO_CACHE_DIR "gpo_cache"
 #define GPT_INI "GPT.INI"
+
+struct GPO_SID_TOKEN {
+	DOM_SID object_sid;
+	DOM_SID primary_group_sid;
+	size_t num_token_sids;
+	DOM_SID *token_sids;
+};

source3/libads/ldap.c

@@ -3196,4 +3196,108 @@ ADS_STATUS ads_leave_realm(ADS_STRUCT *ads, const char *hostname)
 	return status;
 }
 
+/**
+ * pull all token-sids from an LDAP dn
+ * @param ads connection to ads server
+ * @param mem_ctx TALLOC_CTX for allocating sid array
+ * @param dn of LDAP object
+ * @param user_sid pointer to DOM_SID (objectSid)
+ * @param primary_group_sid pointer to DOM_SID (self composed)
+ * @param sids pointer to sid array to allocate
+ * @param num_sids counter of SIDs pulled
+ * @return status of token query
+ **/
+ ADS_STATUS ads_get_tokensids(ADS_STRUCT *ads,
+			      TALLOC_CTX *mem_ctx,
+			      const char *dn,
+			      DOM_SID *user_sid,
+			      DOM_SID *primary_group_sid,
+			      DOM_SID **sids,
+			      size_t *num_sids)
+{
+	ADS_STATUS status;
+	LDAPMessage *res = NULL;
+	int count = 0;
+	size_t tmp_num_sids;
+	DOM_SID *tmp_sids;
+	DOM_SID tmp_user_sid;
+	DOM_SID tmp_primary_group_sid;
+	uint32 pgid;
+	const char *attrs[] = {
+		"objectSid",
+		"tokenGroups",
+		"primaryGroupID",
+		NULL
+	};
+
+	status = ads_search_retry_dn(ads, &res, dn, attrs);
+	if (!ADS_ERR_OK(status)) {
+		return status;
+	}
+
+	count = ads_count_replies(ads, res);
+	if (count != 1) {
+		ads_msgfree(ads, res);
+		return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
+	}
+
+	if (!ads_pull_sid(ads, res, "objectSid", &tmp_user_sid)) {
+		ads_msgfree(ads, res);
+		return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+	}
+
+	if (!ads_pull_uint32(ads, res, "primaryGroupID", &pgid)) {
+		ads_msgfree(ads, res);
+		return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+	}
+
+	{
+		/* hack to compose the primary group sid without knowing the
+		 * domsid */
+
+		DOM_SID domsid;
+		uint32 dummy_rid;
+
+		sid_copy(&domsid, &tmp_user_sid);
+
+		if (!sid_split_rid(&domsid, &dummy_rid)) {
+			ads_msgfree(ads, res);
+			return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+		}
+
+		if (!sid_compose(&tmp_primary_group_sid, &domsid, pgid)) {
+			ads_msgfree(ads, res);
+			return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+		}
+	}
+
+	tmp_num_sids = ads_pull_sids(ads, mem_ctx, res, "tokenGroups", &tmp_sids);
+
+	if (tmp_num_sids == 0 || !tmp_sids) {
+		ads_msgfree(ads, res);
+		return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
+	}
+
+	if (num_sids) {
+		*num_sids = tmp_num_sids;
+	}
+
+	if (sids) {
+		*sids = tmp_sids;
+	}
+
+	if (user_sid) {
+		*user_sid = tmp_user_sid;
+	}
+
+	if (primary_group_sid) {
+		*primary_group_sid = tmp_primary_group_sid;
+	}
+
+	DEBUG(10,("ads_get_tokensids: returned %d sids\n", (int)tmp_num_sids + 2));
+
+	ads_msgfree(ads, res);
+	return ADS_ERROR_LDAP(LDAP_SUCCESS);
+}
+
 #endif

source3/libgpo/gpo_ldap.c

@@ -570,6 +570,68 @@ ADS_STATUS add_gplink_to_gpo_list(ADS_STRUCT *ads,
 	return ADS_ERROR(LDAP_SUCCESS);
 }
 
+/****************************************************************
+****************************************************************/
+
+ADS_STATUS ads_get_gpo_sid_token(ADS_STRUCT *ads,
+				TALLOC_CTX *mem_ctx,
+				const char *dn,
+				struct GPO_SID_TOKEN **token)
+{
+	ADS_STATUS status;
+	DOM_SID object_sid;
+	DOM_SID primary_group_sid;
+	DOM_SID *ad_token_sids;
+	size_t num_ad_token_sids = 0;
+	DOM_SID *token_sids;
+	size_t num_token_sids = 0;
+	struct GPO_SID_TOKEN *new_token = NULL;
+	int i;
+
+	new_token = TALLOC_ZERO_P(mem_ctx, struct GPO_SID_TOKEN);
+	ADS_ERROR_HAVE_NO_MEMORY(new_token);
+
+	status = ads_get_tokensids(ads, mem_ctx, dn, 
+				   &object_sid, &primary_group_sid,
+				   &ad_token_sids, &num_ad_token_sids);
+	if (!ADS_ERR_OK(status)) {
+		return status;
+	}
+
+	new_token->object_sid = object_sid;
+	new_token->primary_group_sid = primary_group_sid;
+
+	token_sids = TALLOC_ARRAY(mem_ctx, DOM_SID, 1);
+	ADS_ERROR_HAVE_NO_MEMORY(token_sids);
+
+	for (i = 0; i < num_ad_token_sids; i++) {
+		
+		if (sid_check_is_in_builtin(&ad_token_sids[i])) {
+			continue;
+		}
+
+		if (!add_sid_to_array_unique(mem_ctx, &ad_token_sids[i], 
+					     &token_sids, &num_token_sids)) {
+			return ADS_ERROR(LDAP_NO_MEMORY);
+		}
+	}
+
+	/* Add S-1-5-11 to token */
+	if (!add_sid_to_array_unique(mem_ctx, &global_sid_Authenticated_Users,
+				     &token_sids, &num_token_sids)) {
+		return ADS_ERROR(LDAP_NO_MEMORY);
+	}
+
+
+	new_token->token_sids = token_sids;
+	new_token->num_token_sids = num_token_sids;
+
+	*token = new_token;
+
+	return ADS_ERROR_LDAP(LDAP_SUCCESS);
+}
+
+
 /****************************************************************
  get the full list of GROUP_POLICY_OBJECTs for a given dn
 ****************************************************************/