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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
commit8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch)
tree4099e8021376c7d8c05bdf8503093d80e9c7bad0 /source4/torture/dns/internal_dns.c
parentInitial commit. (diff)
downloadsamba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz
samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'source4/torture/dns/internal_dns.c')
-rw-r--r--source4/torture/dns/internal_dns.c189
1 files changed, 189 insertions, 0 deletions
diff --git a/source4/torture/dns/internal_dns.c b/source4/torture/dns/internal_dns.c
new file mode 100644
index 0000000..2ccc7ed
--- /dev/null
+++ b/source4/torture/dns/internal_dns.c
@@ -0,0 +1,189 @@
+/*
+ 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(TALLOC_CTX *);
+
+/**
+ * DNS torture module initialization
+ */
+NTSTATUS torture_internal_dns_init(TALLOC_CTX *ctx)
+{
+ struct torture_suite *suite;
+
+ /* register internal DNS torture test cases */
+ suite = internal_dns_suite(ctx);
+ if (!suite) return NT_STATUS_NO_MEMORY;
+ torture_register_suite(ctx, suite);
+
+ return NT_STATUS_OK;
+}