s4 dns: Add libaddns-based simple tests

3 files changed, 201 insertions, 3 deletions

diff --git a/source4/torture/dns/dlz_bind9.c b/source4/torture/dns/dlz_bind9.c
index 6372ca8df6..18d65a3268 100644
--- a/source4/torture/dns/dlz_bind9.c
+++ b/source4/torture/dns/dlz_bind9.c
@@ -138,7 +138,7 @@ static struct torture_suite *dlz_bind9_suite(TALLOC_CTX *ctx)
 /**
  * DNS torture module initialization
  */
-NTSTATUS torture_dns_init(void)
+NTSTATUS torture_bind_dns_init(void)
 {
 	struct torture_suite *suite;
 	TALLOC_CTX *mem_ctx = talloc_autofree_context();
diff --git a/source4/torture/dns/internal_dns.c b/source4/torture/dns/internal_dns.c
new file mode 100644
index 0000000000..b1cb9672e8
--- /dev/null
+++ b/source4/torture/dns/internal_dns.c
@@ -0,0 +1,190 @@
+/*
+   Unix SMB/CIFS implementation.
+   SMB torture tester
+   Copyright (C) Kai Blin 2012
+
+   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 "torture/smbtorture.h"
+#include <talloc.h>
+#include "lib/addns/dns.h"
+
+static struct dns_connection *setup_connection(struct torture_context *tctx)
+{
+	DNS_ERROR err;
+	struct dns_connection *conn;
+
+	err = dns_open_connection(getenv("DC_SERVER_IP"), DNS_TCP, tctx, &conn);
+	if (!ERR_DNS_IS_OK(err)) {
+		printf("Failed to open connection to DNS server\n");
+		return NULL;
+	}
+
+	return conn;
+}
+
+static char *get_dns_domain(struct torture_context *tctx)
+{
+	return strlower_talloc(tctx, getenv("REALM"));
+}
+
+static struct sockaddr_storage *str_to_sockaddr(TALLOC_CTX *mem_ctx, const char *ip_string)
+{
+	struct sockaddr_storage *ss = talloc_zero(mem_ctx, struct sockaddr_storage);
+	int ret;
+
+	if (ss == NULL) {
+		return NULL;
+	}
+
+	ss->ss_family = AF_INET;
+
+	ret = inet_pton(AF_INET, ip_string, &(((struct sockaddr_in *)ss)->sin_addr));
+	if (ret != 1) {
+		return NULL;
+	}
+
+	return ss;
+}
+
+static bool test_internal_dns_query_self(struct torture_context *tctx)
+{
+	struct dns_connection *conn;
+	struct dns_request *req, *resp;
+	char *host;
+	DNS_ERROR err;
+
+	conn = setup_connection(tctx);
+	if (conn == NULL) {
+		return false;
+	}
+
+	host = talloc_asprintf(tctx, "%s.%s", getenv("DC_SERVER"), get_dns_domain(tctx));
+	if (host == NULL) {
+		return false;
+	}
+
+	err = dns_create_query(conn, host, QTYPE_A, DNS_CLASS_IN, &req);
+	if (!ERR_DNS_IS_OK(err)) {
+		printf("Failed to create A record query\n");
+		return false;
+	}
+
+	err = dns_transaction(conn, conn, req, &resp);
+	if (!ERR_DNS_IS_OK(err)) {
+		printf("Failed to query DNS server\n");
+		return false;
+	}
+
+	if (dns_response_code(resp->flags) != DNS_NO_ERROR) {
+		printf("Query returned %u\n", dns_response_code(resp->flags));
+		return false;
+	}
+
+	/* FIXME: is there _any_ way to unmarshal the response to check this? */
+
+	return true;
+}
+
+static bool test_internal_dns_update_self(struct torture_context *tctx)
+{
+	struct dns_connection *conn;
+	struct dns_update_request *req, *resp;
+	struct dns_rrec *rec = NULL;
+	char *host;
+	DNS_ERROR err;
+	struct sockaddr_storage *ss;
+
+	conn = setup_connection(tctx);
+	if (conn == NULL) {
+		return false;
+	}
+
+	host = talloc_asprintf(tctx, "%s.%s", getenv("DC_SERVER"), get_dns_domain(tctx));
+	if (host == NULL) {
+		return false;
+	}
+
+	err = dns_create_update(conn, get_dns_domain(tctx), &req);
+	if (!ERR_DNS_IS_OK(err)) {
+		printf("Failed to update packet\n");
+		return false;
+	}
+
+	ss = str_to_sockaddr(conn, getenv("DC_SERVER_IP"));
+	if (ss == NULL) {
+		printf("Converting '%s' to sockaddr_storage failed\n", getenv("DC_SERVER_IP"));
+		return false;
+	}
+
+	err = dns_create_a_record(req, host, 300, ss, &rec);
+	if (!ERR_DNS_IS_OK(err)) {
+		printf("Failed to create A update record\n");
+		return false;
+	}
+
+	err = dns_add_rrec(req, rec, &req->num_updates, &req->updates);
+	if (!ERR_DNS_IS_OK(err)) {
+		printf("Failed to add A update record to update packet\n");
+		return false;
+	}
+
+	err = dns_update_transaction(conn, conn, req, &resp);
+	if (!ERR_DNS_IS_OK(err)) {
+		printf("Failed to send update\n");
+		return false;
+	}
+
+	if (dns_response_code(resp->flags) != DNS_REFUSED) {
+		printf("Update returned %u\n", dns_response_code(resp->flags));
+		return false;
+	}
+
+	/* FIXME: is there _any_ way to unmarshal the response to check this? */
+
+	return true;
+}
+
+static struct torture_suite *internal_dns_suite(TALLOC_CTX *ctx)
+{
+	struct torture_suite *suite = torture_suite_create(ctx, "dns_internal");
+
+	suite->description = talloc_strdup(suite,
+	                                   "Tests for the internal DNS server");
+	torture_suite_add_simple_test(suite, "queryself", test_internal_dns_query_self);
+	torture_suite_add_simple_test(suite, "updateself", test_internal_dns_update_self);
+	return suite;
+}
+
+
+/* Silence silly compiler warning */
+NTSTATUS torture_internal_dns_init(void);
+
+/**
+ * DNS torture module initialization
+ */
+NTSTATUS torture_internal_dns_init(void)
+{
+	struct torture_suite *suite;
+	TALLOC_CTX *mem_ctx = talloc_autofree_context();
+
+	/* register internal DNS torture test cases */
+	suite = internal_dns_suite(mem_ctx);
+	if (!suite) return NT_STATUS_NO_MEMORY;
+	torture_register_suite(suite);
+
+	return NT_STATUS_OK;
+}
diff --git a/source4/torture/dns/wscript_build b/source4/torture/dns/wscript_build
index 674a3a0c2b..a6773831be 100644
--- a/source4/torture/dns/wscript_build
+++ b/source4/torture/dns/wscript_build
@@ -1,11 +1,19 @@
 #!/usr/bin/env python
 
 if bld.AD_DC_BUILD_IS_ENABLED():
-	bld.SAMBA_MODULE('TORTURE_DNS',
+	bld.SAMBA_MODULE('TORTURE_BIND_DNS',
 		source='dlz_bind9.c',
 		subsystem='smbtorture',
-		init_function='torture_dns_init',
+		init_function='torture_bind_dns_init',
 		cflags='-DBIND_VERSION_9_8',
 		deps='torture talloc torturemain dlz_bind9_for_torture',
 		internal_module=True
 		)
+
+	bld.SAMBA_MODULE('TORTURE_INTERNAL_DNS',
+		source='internal_dns.c',
+		subsystem='smbtorture',
+		init_function='torture_internal_dns_init',
+		deps='torture talloc torturemain',
+		internal_module=True
+		)