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-rw-r--r--lib/ldb/tests/ldb_lmdb_test.c590
1 files changed, 590 insertions, 0 deletions
diff --git a/lib/ldb/tests/ldb_lmdb_test.c b/lib/ldb/tests/ldb_lmdb_test.c
new file mode 100644
index 0000000..798a191
--- /dev/null
+++ b/lib/ldb/tests/ldb_lmdb_test.c
@@ -0,0 +1,590 @@
+/*
+ * lmdb backend specific tests for ldb
+ *
+ * Copyright (C) Andrew Bartlett <abartlet@samba.org> 2018
+ *
+ * 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/>.
+ *
+ */
+
+/*
+ * lmdb backend specific tests for ldb
+ *
+ * Setup and tear down code copied from ldb_mod_op_test.c
+ */
+
+/*
+ * from cmocka.c:
+ * These headers or their equivalents should be included prior to
+ * including
+ * this header file.
+ *
+ * #include <stdarg.h>
+ * #include <stddef.h>
+ * #include <setjmp.h>
+ *
+ * This allows test applications to use custom definitions of C standard
+ * library functions and types.
+ *
+ */
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <setjmp.h>
+#include <cmocka.h>
+
+#include <errno.h>
+#include <unistd.h>
+#include <talloc.h>
+#include <tevent.h>
+#include <ldb.h>
+#include <ldb_module.h>
+#include <ldb_private.h>
+#include <string.h>
+#include <ctype.h>
+
+#include <sys/wait.h>
+
+#include "../ldb_tdb/ldb_tdb.h"
+#include "../ldb_mdb/ldb_mdb.h"
+#include "../ldb_key_value/ldb_kv.h"
+
+#define TEST_BE "mdb"
+
+#define LMDB_MAX_KEY_SIZE 511
+
+struct ldbtest_ctx {
+ struct tevent_context *ev;
+ struct ldb_context *ldb;
+
+ const char *dbfile;
+ const char *lockfile; /* lockfile is separate */
+
+ const char *dbpath;
+};
+
+static void unlink_old_db(struct ldbtest_ctx *test_ctx)
+{
+ int ret;
+
+ errno = 0;
+ ret = unlink(test_ctx->lockfile);
+ if (ret == -1 && errno != ENOENT) {
+ fail();
+ }
+
+ errno = 0;
+ ret = unlink(test_ctx->dbfile);
+ if (ret == -1 && errno != ENOENT) {
+ fail();
+ }
+}
+
+static int ldbtest_noconn_setup(void **state)
+{
+ struct ldbtest_ctx *test_ctx;
+
+ test_ctx = talloc_zero(NULL, struct ldbtest_ctx);
+ assert_non_null(test_ctx);
+
+ test_ctx->ev = tevent_context_init(test_ctx);
+ assert_non_null(test_ctx->ev);
+
+ test_ctx->ldb = ldb_init(test_ctx, test_ctx->ev);
+ assert_non_null(test_ctx->ldb);
+
+ test_ctx->dbfile = talloc_strdup(test_ctx, "apitest.ldb");
+ assert_non_null(test_ctx->dbfile);
+
+ test_ctx->lockfile = talloc_asprintf(test_ctx, "%s-lock",
+ test_ctx->dbfile);
+ assert_non_null(test_ctx->lockfile);
+
+ test_ctx->dbpath = talloc_asprintf(test_ctx,
+ TEST_BE"://%s", test_ctx->dbfile);
+ assert_non_null(test_ctx->dbpath);
+
+ unlink_old_db(test_ctx);
+ *state = test_ctx;
+ return 0;
+}
+
+static int ldbtest_noconn_teardown(void **state)
+{
+ struct ldbtest_ctx *test_ctx = talloc_get_type_abort(*state,
+ struct ldbtest_ctx);
+
+ unlink_old_db(test_ctx);
+ talloc_free(test_ctx);
+ return 0;
+}
+
+static int ldbtest_setup(void **state)
+{
+ struct ldbtest_ctx *test_ctx;
+ int ret;
+ struct ldb_ldif *ldif;
+ const char *index_ldif = \
+ "dn: @INDEXLIST\n"
+ "@IDXGUID: objectUUID\n"
+ "@IDX_DN_GUID: GUID\n"
+ "\n";
+
+ ldbtest_noconn_setup((void **) &test_ctx);
+
+ ret = ldb_connect(test_ctx->ldb, test_ctx->dbpath, 0, NULL);
+ assert_int_equal(ret, 0);
+
+ while ((ldif = ldb_ldif_read_string(test_ctx->ldb, &index_ldif))) {
+ ret = ldb_add(test_ctx->ldb, ldif->msg);
+ assert_int_equal(ret, LDB_SUCCESS);
+ }
+ *state = test_ctx;
+ return 0;
+}
+
+static int ldbtest_teardown(void **state)
+{
+ struct ldbtest_ctx *test_ctx = talloc_get_type_abort(*state,
+ struct ldbtest_ctx);
+ ldbtest_noconn_teardown((void **) &test_ctx);
+ return 0;
+}
+
+static void test_ldb_add_key_len_gt_max(void **state)
+{
+ int ret;
+ int xs_size = 0;
+ struct ldb_message *msg;
+ struct ldbtest_ctx *test_ctx = talloc_get_type_abort(*state,
+ struct ldbtest_ctx);
+ char *xs = NULL;
+ TALLOC_CTX *tmp_ctx;
+
+ tmp_ctx = talloc_new(test_ctx);
+ assert_non_null(tmp_ctx);
+
+ msg = ldb_msg_new(tmp_ctx);
+ assert_non_null(msg);
+
+ /*
+ * The zero terminator is part of the key if we were not in
+ * GUID mode
+ */
+
+ xs_size = LMDB_MAX_KEY_SIZE - 7; /* "dn=dc=" and the zero terminator */
+ xs_size += 1; /* want key on char too long */
+ xs = talloc_zero_size(tmp_ctx, (xs_size + 1));
+ memset(xs, 'x', xs_size);
+
+ msg->dn = ldb_dn_new_fmt(msg, test_ctx->ldb, "dc=%s", xs);
+ assert_non_null(msg->dn);
+
+ ret = ldb_msg_add_string(msg, "cn", "test_cn_val");
+ assert_int_equal(ret, 0);
+
+ ret = ldb_msg_add_string(msg, "objectUUID", "0123456789abcdef");
+ assert_int_equal(ret, 0);
+
+ ret = ldb_add(test_ctx->ldb, msg);
+ assert_int_equal(ret, LDB_SUCCESS);
+
+ talloc_free(tmp_ctx);
+}
+
+static void test_ldb_add_key_len_2x_gt_max(void **state)
+{
+ int ret;
+ int xs_size = 0;
+ struct ldb_message *msg;
+ struct ldbtest_ctx *test_ctx = talloc_get_type_abort(*state,
+ struct ldbtest_ctx);
+ char *xs = NULL;
+ TALLOC_CTX *tmp_ctx;
+
+ tmp_ctx = talloc_new(test_ctx);
+ assert_non_null(tmp_ctx);
+
+ msg = ldb_msg_new(tmp_ctx);
+ assert_non_null(msg);
+
+ /*
+ * The zero terminator is part of the key if we were not in
+ * GUID mode
+ */
+
+ xs_size = 2 * LMDB_MAX_KEY_SIZE;
+ xs = talloc_zero_size(tmp_ctx, (xs_size + 1));
+ memset(xs, 'x', xs_size);
+
+ msg->dn = ldb_dn_new_fmt(msg, test_ctx->ldb, "dc=%s", xs);
+ assert_non_null(msg->dn);
+
+ ret = ldb_msg_add_string(msg, "cn", "test_cn_val");
+ assert_int_equal(ret, 0);
+
+ ret = ldb_msg_add_string(msg, "objectUUID", "0123456789abcdef");
+ assert_int_equal(ret, 0);
+
+ ret = ldb_add(test_ctx->ldb, msg);
+ assert_int_equal(ret, LDB_SUCCESS);
+
+ talloc_free(tmp_ctx);
+}
+
+static void test_ldb_add_key_len_eq_max(void **state)
+{
+ int ret;
+ int xs_size = 0;
+ struct ldb_message *msg;
+ struct ldbtest_ctx *test_ctx = talloc_get_type_abort(*state,
+ struct ldbtest_ctx);
+ char *xs = NULL;
+ TALLOC_CTX *tmp_ctx;
+
+ tmp_ctx = talloc_new(test_ctx);
+ assert_non_null(tmp_ctx);
+
+ msg = ldb_msg_new(tmp_ctx);
+ assert_non_null(msg);
+
+ /*
+ * The zero terminator is part of the key if we were not in
+ * GUID mode
+ */
+
+ xs_size = LMDB_MAX_KEY_SIZE - 7; /* "dn=dc=" and the zero terminator */
+ xs = talloc_zero_size(tmp_ctx, (xs_size + 1));
+ memset(xs, 'x', xs_size);
+
+ msg->dn = ldb_dn_new_fmt(msg, test_ctx->ldb, "dc=%s", xs);
+ assert_non_null(msg->dn);
+
+ ret = ldb_msg_add_string(msg, "cn", "test_cn_val");
+ assert_int_equal(ret, 0);
+
+ ret = ldb_msg_add_string(msg, "objectUUID", "0123456789abcdef");
+ assert_int_equal(ret, 0);
+
+ ret = ldb_add(test_ctx->ldb, msg);
+ assert_int_equal(ret, 0);
+
+ talloc_free(tmp_ctx);
+}
+
+static int ldbtest_setup_noguid(void **state)
+{
+ struct ldbtest_ctx *test_ctx;
+ int ret;
+
+ ldbtest_noconn_setup((void **) &test_ctx);
+
+ ret = ldb_connect(test_ctx->ldb, test_ctx->dbpath, 0, NULL);
+ assert_int_equal(ret, 0);
+
+ *state = test_ctx;
+ return 0;
+}
+
+static void test_ldb_add_special_key_len_gt_max(void **state)
+{
+ int ret;
+ int xs_size = 0;
+ struct ldb_message *msg;
+ struct ldbtest_ctx *test_ctx = talloc_get_type_abort(*state,
+ struct ldbtest_ctx);
+ char *xs = NULL;
+ TALLOC_CTX *tmp_ctx;
+
+ tmp_ctx = talloc_new(test_ctx);
+ assert_non_null(tmp_ctx);
+
+ msg = ldb_msg_new(tmp_ctx);
+ assert_non_null(msg);
+
+ /*
+ * The zero terminator is part of the key if we were not in
+ * GUID mode
+ */
+
+ xs_size = LMDB_MAX_KEY_SIZE - 5; /* "dn=@" and the zero terminator */
+ xs_size += 1; /* want key on char too long */
+ xs = talloc_zero_size(tmp_ctx, (xs_size + 1));
+ memset(xs, 'x', xs_size);
+
+ msg->dn = ldb_dn_new_fmt(msg, test_ctx->ldb, "@%s", xs);
+ assert_non_null(msg->dn);
+
+ ret = ldb_msg_add_string(msg, "cn", "test_cn_val");
+ assert_int_equal(ret, 0);
+
+ ret = ldb_add(test_ctx->ldb, msg);
+ assert_int_equal(ret, LDB_ERR_PROTOCOL_ERROR);
+
+ talloc_free(tmp_ctx);
+}
+
+static void test_ldb_add_special_key_len_eq_max(void **state)
+{
+ int ret;
+ int xs_size = 0;
+ struct ldb_message *msg;
+ struct ldbtest_ctx *test_ctx = talloc_get_type_abort(*state,
+ struct ldbtest_ctx);
+ char *xs = NULL;
+ TALLOC_CTX *tmp_ctx;
+
+ tmp_ctx = talloc_new(test_ctx);
+ assert_non_null(tmp_ctx);
+
+ msg = ldb_msg_new(tmp_ctx);
+ assert_non_null(msg);
+
+ /*
+ * The zero terminator is part of the key if we were not in
+ * GUID mode
+ */
+
+ xs_size = LMDB_MAX_KEY_SIZE - 5; /* "dn=@" and the zero terminator */
+ xs = talloc_zero_size(tmp_ctx, (xs_size + 1));
+ memset(xs, 'x', xs_size);
+
+ msg->dn = ldb_dn_new_fmt(msg, test_ctx->ldb, "@%s", xs);
+ assert_non_null(msg->dn);
+
+ ret = ldb_msg_add_string(msg, "cn", "test_cn_val");
+ assert_int_equal(ret, 0);
+
+ ret = ldb_add(test_ctx->ldb, msg);
+ assert_int_equal(ret, LDB_SUCCESS);
+
+ talloc_free(tmp_ctx);
+}
+
+static void test_ldb_add_dn_no_guid_mode(void **state)
+{
+ int ret;
+ int xs_size = 0;
+ struct ldb_message *msg;
+ struct ldbtest_ctx *test_ctx = talloc_get_type_abort(*state,
+ struct ldbtest_ctx);
+ char *xs = NULL;
+ TALLOC_CTX *tmp_ctx;
+
+ tmp_ctx = talloc_new(test_ctx);
+ assert_non_null(tmp_ctx);
+
+ msg = ldb_msg_new(tmp_ctx);
+ assert_non_null(msg);
+
+ /*
+ * The zero terminator is part of the key if we were not in
+ * GUID mode
+ */
+
+ xs_size = LMDB_MAX_KEY_SIZE - 7; /* "dn=dc=" and the zero terminator */
+ xs_size += 1; /* want key on char too long */
+ xs = talloc_zero_size(tmp_ctx, (xs_size + 1));
+ memset(xs, 'x', xs_size);
+
+ msg->dn = ldb_dn_new_fmt(msg, test_ctx->ldb, "dc=%s", xs);
+ assert_non_null(msg->dn);
+
+ ret = ldb_msg_add_string(msg, "cn", "test_cn_val");
+ assert_int_equal(ret, 0);
+
+ ret = ldb_msg_add_string(msg, "objectUUID", "0123456789abcdef");
+ assert_int_equal(ret, 0);
+
+ ret = ldb_add(test_ctx->ldb, msg);
+ assert_int_equal(ret, LDB_ERR_UNWILLING_TO_PERFORM);
+
+ talloc_free(tmp_ctx);
+}
+
+static struct MDB_env *get_mdb_env(struct ldb_context *ldb)
+{
+ void *data = NULL;
+ struct ldb_kv_private *ldb_kv = NULL;
+ struct lmdb_private *lmdb = NULL;
+ struct MDB_env *env = NULL;
+
+ data = ldb_module_get_private(ldb->modules);
+ assert_non_null(data);
+
+ ldb_kv = talloc_get_type(data, struct ldb_kv_private);
+ assert_non_null(ldb_kv);
+
+ lmdb = ldb_kv->lmdb_private;
+ assert_non_null(lmdb);
+
+ env = lmdb->env;
+ assert_non_null(env);
+
+ return env;
+}
+
+static void test_multiple_opens(void **state)
+{
+ struct ldb_context *ldb1 = NULL;
+ struct ldb_context *ldb2 = NULL;
+ struct ldb_context *ldb3 = NULL;
+ struct MDB_env *env1 = NULL;
+ struct MDB_env *env2 = NULL;
+ struct MDB_env *env3 = NULL;
+ int ret;
+ struct ldbtest_ctx *test_ctx = NULL;
+
+ test_ctx = talloc_get_type_abort(*state, struct ldbtest_ctx);
+
+ /*
+ * Open the database again
+ */
+ ldb1 = ldb_init(test_ctx, test_ctx->ev);
+ ret = ldb_connect(ldb1, test_ctx->dbpath, LDB_FLG_RDONLY, NULL);
+ assert_int_equal(ret, 0);
+
+ ldb2 = ldb_init(test_ctx, test_ctx->ev);
+ ret = ldb_connect(ldb2, test_ctx->dbpath, LDB_FLG_RDONLY, NULL);
+ assert_int_equal(ret, 0);
+
+ ldb3 = ldb_init(test_ctx, test_ctx->ev);
+ ret = ldb_connect(ldb3, test_ctx->dbpath, 0, NULL);
+ assert_int_equal(ret, 0);
+ /*
+ * We now have 3 ldb's open pointing to the same on disk database
+ * they should all share the same MDB_env
+ */
+ env1 = get_mdb_env(ldb1);
+ env2 = get_mdb_env(ldb2);
+ env3 = get_mdb_env(ldb3);
+
+ assert_ptr_equal(env1, env2);
+ assert_ptr_equal(env1, env3);
+}
+
+static void test_multiple_opens_across_fork(void **state)
+{
+ struct ldb_context *ldb1 = NULL;
+ struct ldb_context *ldb2 = NULL;
+ struct MDB_env *env1 = NULL;
+ struct MDB_env *env2 = NULL;
+ int ret;
+ struct ldbtest_ctx *test_ctx = NULL;
+ int pipes[2];
+ char buf[2];
+ int wstatus;
+ pid_t pid, child_pid;
+
+ test_ctx = talloc_get_type_abort(*state, struct ldbtest_ctx);
+
+ /*
+ * Open the database again
+ */
+ ldb1 = ldb_init(test_ctx, test_ctx->ev);
+ ret = ldb_connect(ldb1, test_ctx->dbpath, LDB_FLG_RDONLY, NULL);
+ assert_int_equal(ret, 0);
+
+ ldb2 = ldb_init(test_ctx, test_ctx->ev);
+ ret = ldb_connect(ldb2, test_ctx->dbpath, LDB_FLG_RDONLY, NULL);
+ assert_int_equal(ret, 0);
+
+ env1 = get_mdb_env(ldb1);
+ env2 = get_mdb_env(ldb2);
+
+ ret = pipe(pipes);
+ assert_int_equal(ret, 0);
+
+ child_pid = fork();
+ if (child_pid == 0) {
+ struct ldb_context *ldb3 = NULL;
+ struct MDB_env *env3 = NULL;
+
+ close(pipes[0]);
+ ldb3 = ldb_init(test_ctx, test_ctx->ev);
+ ret = ldb_connect(ldb3, test_ctx->dbpath, 0, NULL);
+ if (ret != 0) {
+ print_error(__location__": ldb_connect returned (%d)\n",
+ ret);
+ exit(ret);
+ }
+ env3 = get_mdb_env(ldb3);
+ if (env1 != env2) {
+ print_error(__location__": env1 != env2\n");
+ exit(LDB_ERR_OPERATIONS_ERROR);
+ }
+ if (env1 == env3) {
+ print_error(__location__": env1 == env3\n");
+ exit(LDB_ERR_OPERATIONS_ERROR);
+ }
+ ret = write(pipes[1], "GO", 2);
+ if (ret != 2) {
+ print_error(__location__
+ " write returned (%d)",
+ ret);
+ exit(LDB_ERR_OPERATIONS_ERROR);
+ }
+ exit(LDB_SUCCESS);
+ }
+ close(pipes[1]);
+ ret = read(pipes[0], buf, 2);
+ assert_int_equal(ret, 2);
+
+ pid = waitpid(child_pid, &wstatus, 0);
+ assert_int_equal(pid, child_pid);
+
+ assert_true(WIFEXITED(wstatus));
+
+ assert_int_equal(WEXITSTATUS(wstatus), 0);
+}
+
+int main(int argc, const char **argv)
+{
+ const struct CMUnitTest tests[] = {
+ cmocka_unit_test_setup_teardown(
+ test_ldb_add_key_len_eq_max,
+ ldbtest_setup,
+ ldbtest_teardown),
+ cmocka_unit_test_setup_teardown(
+ test_ldb_add_key_len_gt_max,
+ ldbtest_setup,
+ ldbtest_teardown),
+ cmocka_unit_test_setup_teardown(
+ test_ldb_add_key_len_2x_gt_max,
+ ldbtest_setup,
+ ldbtest_teardown),
+ cmocka_unit_test_setup_teardown(
+ test_ldb_add_special_key_len_eq_max,
+ ldbtest_setup_noguid,
+ ldbtest_teardown),
+ cmocka_unit_test_setup_teardown(
+ test_ldb_add_special_key_len_gt_max,
+ ldbtest_setup_noguid,
+ ldbtest_teardown),
+ cmocka_unit_test_setup_teardown(
+ test_ldb_add_dn_no_guid_mode,
+ ldbtest_setup_noguid,
+ ldbtest_teardown),
+ cmocka_unit_test_setup_teardown(
+ test_multiple_opens,
+ ldbtest_setup,
+ ldbtest_teardown),
+ cmocka_unit_test_setup_teardown(
+ test_multiple_opens_across_fork,
+ ldbtest_setup,
+ ldbtest_teardown),
+ };
+
+ return cmocka_run_group_tests(tests, NULL, NULL);
+}