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-rw-r--r--server/tests/resolv-tests.c442
1 files changed, 442 insertions, 0 deletions
diff --git a/server/tests/resolv-tests.c b/server/tests/resolv-tests.c
new file mode 100644
index 00000000..4b3a19e3
--- /dev/null
+++ b/server/tests/resolv-tests.c
@@ -0,0 +1,442 @@
+/*
+ SSSD
+
+ Async resolver tests
+
+ Authors:
+ Martin Nagy <mnagy@redhat.com>
+ Jakub Hrozek <jhrozek@redhat.com>
+
+ Copyright (C) Red Hat, Inc 2009
+
+ 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 <stdlib.h>
+#include <check.h>
+#include <talloc.h>
+#include <tevent.h>
+#include <popt.h>
+#include <arpa/inet.h>
+
+#include "util/util.h"
+
+/* Interface under test */
+#include "resolv/async_resolv.h"
+
+#ifndef tevent_req_set_callback
+#define tevent_req_set_callback(req, func, data) \
+ do { req->async.fn = func; req->async.private_data = data; } while(0)
+#endif
+
+#ifndef tevent_req_callback_data
+#define tevent_req_callback_data(req, type) ((type *)req->async.private_data)
+#endif
+
+int use_net_test;
+
+struct resolv_test_ctx {
+ struct tevent_context *ev;
+ struct resolv_ctx *resolv;
+
+ int error;
+ bool done;
+};
+
+static int setup_resolv_test(struct resolv_test_ctx **ctx)
+{
+ struct resolv_test_ctx *test_ctx;
+ int ret;
+
+ test_ctx = talloc_zero(NULL, struct resolv_test_ctx);
+ if (test_ctx == NULL) {
+ fail("Could not allocate memory for test context");
+ talloc_free(test_ctx);
+ return ENOMEM;
+ }
+
+ test_ctx->ev = tevent_context_init(NULL);
+ if (test_ctx->ev == NULL) {
+ fail("Could not init tevent context");
+ talloc_free(test_ctx);
+ return EFAULT;
+ }
+
+ ret = resolv_init(NULL, test_ctx->ev, &test_ctx->resolv);
+ if (ret != EOK) {
+ fail("Could not init resolv context");
+ talloc_free(test_ctx);
+ return ret;
+ }
+
+ *ctx = test_ctx;
+ return EOK;
+}
+
+static int test_loop(struct resolv_test_ctx *data)
+{
+ while (!data->done)
+ tevent_loop_once(data->ev);
+
+ return data->error;
+}
+
+static void test_localhost(struct tevent_req *req)
+{
+ int recv_status;
+ int status;
+ const struct hostent *hostent;
+ int i;
+ struct resolv_test_ctx *test_ctx = tevent_req_callback_data(req,
+ struct resolv_test_ctx);
+
+ test_ctx->done = true;
+
+ recv_status = resolv_gethostbyname_recv(req, &status, NULL, &hostent);
+ if (recv_status != EOK) {
+ DEBUG(2, ("resolv_gethostbyname_recv failed: %d\n", recv_status));
+ test_ctx->error = recv_status;
+ return;
+ }
+ DEBUG(7, ("resolv_gethostbyname_recv status: %d\n", status));
+
+ test_ctx->error = ENOENT;
+ for (i = 0; hostent->h_addr_list[i]; i++) {
+ char addr_buf[256];
+ inet_ntop(hostent->h_addrtype, hostent->h_addr_list[i], addr_buf, sizeof(addr_buf));
+
+ /* test that localhost resolves to 127.0.0.1 or ::1 */
+ if (strcmp(addr_buf, "127.0.0.1") == 0 || strcmp(addr_buf, "::1") == 0) {
+ test_ctx->error = EOK;
+ }
+ }
+}
+
+START_TEST(test_resolv_localhost)
+{
+ struct resolv_test_ctx *test_ctx;
+ int ret = EOK;
+ struct tevent_req *req;
+ const char *hostname = "localhost.localdomain";
+
+ ret = setup_resolv_test(&test_ctx);
+ if (ret != EOK) {
+ fail("Could not set up test");
+ return;
+ }
+
+ req = resolv_gethostbyname_send(test_ctx->ev, test_ctx->ev, test_ctx->resolv, hostname, AF_INET);
+ DEBUG(7, ("Sent resolv_gethostbyname\n"));
+ if (req == NULL) {
+ ret = ENOMEM;
+ }
+
+ if (ret == EOK) {
+ tevent_req_set_callback(req, test_localhost, test_ctx);
+ ret = test_loop(test_ctx);
+ }
+
+ fail_unless(ret == EOK);
+
+ talloc_zfree(test_ctx);
+}
+END_TEST
+
+static void test_negative(struct tevent_req *req)
+{
+ int recv_status;
+ int status;
+ const struct hostent *hostent;
+ struct resolv_test_ctx *test_ctx;
+
+ test_ctx = tevent_req_callback_data(req, struct resolv_test_ctx);
+ test_ctx->done = true;
+
+ recv_status = resolv_gethostbyname_recv(req, &status, NULL, &hostent);
+ if (recv_status == EOK) {
+ DEBUG(7, ("resolv_gethostbyname_recv succeeded in a negative test"));
+ return;
+ }
+
+ test_ctx->error = status;
+ DEBUG(2, ("resolv_gethostbyname_recv status: %d: %s\n", status, resolv_strerror(status)));
+}
+
+START_TEST(test_resolv_negative)
+{
+ int ret = EOK;
+ struct tevent_req *req;
+ const char *hostname = "sssd.foo";
+ struct resolv_test_ctx *test_ctx;
+
+ ret = setup_resolv_test(&test_ctx);
+ if (ret != EOK) {
+ fail("Could not set up test");
+ return;
+ }
+
+ req = resolv_gethostbyname_send(test_ctx->ev, test_ctx->ev, test_ctx->resolv, hostname, AF_INET);
+ DEBUG(7, ("Sent resolv_gethostbyname\n"));
+ if (req == NULL) {
+ ret = ENOMEM;
+ }
+
+ if (ret == EOK) {
+ tevent_req_set_callback(req, test_negative, test_ctx);
+ ret = test_loop(test_ctx);
+ }
+
+ fail_unless(ret != EOK);
+ fail_unless(test_ctx->error == ARES_ENOTFOUND);
+ talloc_zfree(test_ctx);
+}
+END_TEST
+
+static void test_internet(struct tevent_req *req)
+{
+ int recv_status;
+ int status;
+ const struct hostent *hostent;
+ struct resolv_test_ctx *test_ctx = tevent_req_callback_data(req,
+ struct resolv_test_ctx);
+
+ test_ctx->done = true;
+
+ recv_status = resolv_gethostbyname_recv(req, &status, NULL, &hostent);
+ if (recv_status != EOK) {
+ DEBUG(2, ("resolv_gethostbyname_recv failed: %d\n", recv_status));
+ test_ctx->error = recv_status;
+ return;
+ }
+ DEBUG(7, ("resolv_gethostbyname_recv status: %d\n", status));
+
+ test_ctx->error = (hostent->h_length == 0) ? ENOENT : EOK;
+}
+
+START_TEST(test_resolv_internet)
+{
+ int ret = EOK;
+ struct tevent_req *req;
+ const char *hostname = "redhat.com";
+ struct resolv_test_ctx *test_ctx;
+
+ ret = setup_resolv_test(&test_ctx);
+ if (ret != EOK) {
+ fail("Could not set up test");
+ return;
+ }
+
+ req = resolv_gethostbyname_send(test_ctx->ev, test_ctx->ev, test_ctx->resolv, hostname, AF_INET);
+ DEBUG(7, ("Sent resolv_gethostbyname\n"));
+ if (req == NULL) {
+ ret = ENOMEM;
+ }
+
+ if (ret == EOK) {
+ tevent_req_set_callback(req, test_internet, test_ctx);
+ ret = test_loop(test_ctx);
+ }
+
+ fail_unless(ret == EOK);
+ talloc_zfree(test_ctx);
+}
+END_TEST
+
+static void resolv_free_context(struct tevent_context *ev,
+ struct tevent_timer *te,
+ struct timeval t, void *ptr)
+{
+ struct resolv_ctx *rctx = talloc_get_type(ptr, struct resolv_ctx);
+ DEBUG(7, ("freeing the context\n"));
+
+ talloc_free(rctx);
+}
+
+static void resolv_free_done(struct tevent_context *ev,
+ struct tevent_timer *te,
+ struct timeval t, void *ptr)
+{
+ struct resolv_test_ctx *tctx = talloc_get_type(ptr, struct resolv_test_ctx);
+ DEBUG(7, ("marking test as done\n"));
+
+ tctx->error = EOK;
+ tctx->done = true;
+}
+
+START_TEST(test_resolv_free_context)
+{
+ int ret = EOK;
+ struct tevent_req *req;
+ const char *hostname = "redhat.com";
+ struct resolv_test_ctx *test_ctx;
+ struct tevent_timer *free_timer, *terminate_timer;
+ struct timeval free_tv, terminate_tv;
+
+ ret = setup_resolv_test(&test_ctx);
+ if (ret != EOK) {
+ fail("Could not set up test");
+ return;
+ }
+
+ req = resolv_gethostbyname_send(test_ctx, test_ctx->ev, test_ctx->resolv, hostname, AF_INET);
+ DEBUG(7, ("Sent resolv_gethostbyname\n"));
+ if (req == NULL) {
+ fail("Error calling resolv_gethostbyname_send");
+ return;
+ }
+
+ gettimeofday(&free_tv, NULL);
+ free_tv.tv_sec += 1;
+ free_tv.tv_usec = 0;
+ terminate_tv.tv_sec = free_tv.tv_sec + 1;
+ terminate_tv.tv_usec = 0;
+
+ free_timer = tevent_add_timer(test_ctx->ev, test_ctx, free_tv, resolv_free_context, test_ctx->resolv);
+ if (free_timer == NULL) {
+ fail("Error calling tevent_add_timer");
+ return;
+ }
+
+ terminate_timer = tevent_add_timer(test_ctx->ev, test_ctx, terminate_tv, resolv_free_done, test_ctx);
+ if (terminate_timer == NULL) {
+ fail("Error calling tevent_add_timer");
+ return;
+ }
+
+ ret = test_loop(test_ctx);
+ fail_unless(ret == EOK);
+
+ talloc_zfree(test_ctx);
+}
+END_TEST
+
+static void resolv_free_req(struct tevent_context *ev,
+ struct tevent_timer *te,
+ struct timeval t, void *ptr)
+{
+ struct tevent_req *req = talloc_get_type(ptr, struct tevent_req);
+ DEBUG(7, ("freeing the request\n"));
+
+ talloc_free(req);
+}
+
+START_TEST(test_resolv_free_req)
+{
+ int ret = EOK;
+ struct tevent_req *req;
+ const char *hostname = "redhat.com";
+ struct resolv_test_ctx *test_ctx;
+ struct tevent_timer *free_timer, *terminate_timer;
+ struct timeval free_tv, terminate_tv;
+
+ ret = setup_resolv_test(&test_ctx);
+ if (ret != EOK) {
+ fail("Could not set up test");
+ return;
+ }
+
+ req = resolv_gethostbyname_send(test_ctx, test_ctx->ev, test_ctx->resolv, hostname, AF_INET);
+ DEBUG(7, ("Sent resolv_gethostbyname\n"));
+ if (req == NULL) {
+ fail("Error calling resolv_gethostbyname_send");
+ return;
+ }
+
+ gettimeofday(&free_tv, NULL);
+ free_tv.tv_sec += 1;
+ free_tv.tv_usec = 0;
+ terminate_tv.tv_sec = free_tv.tv_sec + 1;
+ terminate_tv.tv_usec = 0;
+
+ free_timer = tevent_add_timer(test_ctx->ev, test_ctx, free_tv, resolv_free_req, req);
+ if (free_timer == NULL) {
+ fail("Error calling tevent_add_timer");
+ return;
+ }
+
+ terminate_timer = tevent_add_timer(test_ctx->ev, test_ctx, terminate_tv, resolv_free_done, test_ctx);
+ if (terminate_timer == NULL) {
+ fail("Error calling tevent_add_timer");
+ return;
+ }
+
+ ret = test_loop(test_ctx);
+ fail_unless(ret == EOK);
+
+ talloc_zfree(test_ctx);
+}
+END_TEST
+
+Suite *create_resolv_suite(void)
+{
+ Suite *s = suite_create("resolv");
+
+ TCase *tc_resolv = tcase_create("RESOLV Tests");
+
+ /* Do some testing */
+ tcase_add_test(tc_resolv, test_resolv_localhost);
+ tcase_add_test(tc_resolv, test_resolv_negative);
+ if (use_net_test) {
+ tcase_add_test(tc_resolv, test_resolv_internet);
+ }
+ tcase_add_test(tc_resolv, test_resolv_free_context);
+ tcase_add_test(tc_resolv, test_resolv_free_req);
+
+ /* Add all test cases to the test suite */
+ suite_add_tcase(s, tc_resolv);
+
+ return s;
+}
+
+int main(int argc, const char *argv[])
+{
+ int opt;
+ poptContext pc;
+ int failure_count;
+ Suite *resolv_suite;
+ SRunner *sr;
+ int debug;
+
+ struct poptOption long_options[] = {
+ POPT_AUTOHELP
+ { "debug-level", 'd', POPT_ARG_INT, &debug, 0, "Set debug level", NULL },
+ { "use-net-test", 'n', POPT_ARG_NONE, 0, 'n', "Run tests that need an active internet connection", NULL },
+ POPT_TABLEEND
+ };
+
+ pc = poptGetContext(argv[0], argc, argv, long_options, 0);
+ while((opt = poptGetNextOpt(pc)) != -1) {
+ switch(opt) {
+ case 'n':
+ use_net_test = 1;
+ break;
+
+ default:
+ fprintf(stderr, "\nInvalid option %s: %s\n\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ poptPrintUsage(pc, stderr, 0);
+ return 1;
+ }
+ }
+ poptFreeContext(pc);
+ debug_level = debug;
+
+ resolv_suite = create_resolv_suite();
+ sr = srunner_create(resolv_suite);
+ srunner_run_all(sr, CK_VERBOSE);
+ failure_count = srunner_ntests_failed(sr);
+ srunner_free(sr);
+ return (failure_count==0 ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+
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