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https://github.com/samba-team/samba.git
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79dcabfbab
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
467 lines
10 KiB
C
467 lines
10 KiB
C
/*
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Unix SMB/CIFS implementation.
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Test dbwrap_watch API
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Copyright (C) Volker Lendecke 2012
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "torture/proto.h"
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#include "system/filesys.h"
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#include "lib/dbwrap/dbwrap.h"
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#include "lib/dbwrap/dbwrap_open.h"
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#include "lib/dbwrap/dbwrap_watch.h"
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#include "lib/util/util_tdb.h"
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static bool test_dbwrap_watch_init(
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TALLOC_CTX *mem_ctx,
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const char *dbname,
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struct tevent_context **pev,
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struct messaging_context **pmsg,
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struct db_context **pbackend,
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struct db_context **pdb)
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{
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struct tevent_context *ev = NULL;
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struct messaging_context *msg = NULL;
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struct db_context *backend = NULL;
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struct db_context *db = NULL;
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ev = samba_tevent_context_init(mem_ctx);
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if (ev == NULL) {
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fprintf(stderr, "tevent_context_init failed\n");
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goto fail;
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}
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msg = messaging_init(ev, ev);
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if (msg == NULL) {
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fprintf(stderr, "messaging_init failed\n");
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goto fail;
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}
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backend = db_open(
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msg,
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dbname,
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0,
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TDB_CLEAR_IF_FIRST,
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O_CREAT|O_RDWR,
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0644,
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DBWRAP_LOCK_ORDER_1,
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DBWRAP_FLAG_NONE);
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if (backend == NULL) {
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fprintf(stderr, "db_open failed: %s\n", strerror(errno));
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goto fail;
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}
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{
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struct db_context *backend_copy = backend;
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db = db_open_watched(ev, &backend_copy, msg);
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if (db == NULL) {
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fprintf(stderr, "db_open_watched failed\n");
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goto fail;
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}
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}
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if (pev != NULL) {
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*pev = ev;
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}
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if (pmsg != NULL) {
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*pmsg = msg;
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}
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if (pbackend != NULL) {
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*pbackend = backend;
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}
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if (pdb != NULL) {
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*pdb = db;
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}
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return true;
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fail:
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TALLOC_FREE(backend);
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TALLOC_FREE(msg);
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TALLOC_FREE(ev);
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return false;
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}
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bool run_dbwrap_watch1(int dummy)
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{
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struct tevent_context *ev = NULL;
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struct messaging_context *msg = NULL;
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struct db_context *backend = NULL;
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struct db_context *db = NULL;
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const char *keystr = "key";
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TDB_DATA key = string_term_tdb_data(keystr);
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struct db_record *rec = NULL;
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struct tevent_req *req = NULL;
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NTSTATUS status;
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bool ret = false;
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ret = test_dbwrap_watch_init(
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talloc_tos(), "test_watch.tdb", &ev, &msg, &backend, &db);
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if (!ret) {
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goto fail;
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}
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rec = dbwrap_fetch_locked(db, db, key);
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if (rec == NULL) {
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fprintf(stderr, "dbwrap_fetch_locked failed\n");
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goto fail;
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}
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req = dbwrap_watched_watch_send(talloc_tos(), ev, rec,
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(struct server_id){0});
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if (req == NULL) {
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fprintf(stderr, "dbwrap_record_watch_send failed\n");
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goto fail;
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}
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TALLOC_FREE(rec);
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status = dbwrap_store_int32_bystring(db, "different_key", 1);
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if (!NT_STATUS_IS_OK(status)) {
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fprintf(stderr, "dbwrap_store_int32 failed: %s\n",
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nt_errstr(status));
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goto fail;
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}
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status = dbwrap_store_int32_bystring(db, keystr, 1);
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if (!NT_STATUS_IS_OK(status)) {
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fprintf(stderr, "dbwrap_store_int32 failed: %s\n",
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nt_errstr(status));
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goto fail;
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}
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if (!tevent_req_poll(req, ev)) {
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fprintf(stderr, "tevent_req_poll failed\n");
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goto fail;
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}
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status = dbwrap_watched_watch_recv(req, NULL, NULL);
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if (!NT_STATUS_IS_OK(status)) {
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fprintf(stderr, "dbwrap_record_watch_recv failed: %s\n",
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nt_errstr(status));
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goto fail;
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}
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(void)unlink("test_watch.tdb");
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ret = true;
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fail:
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TALLOC_FREE(req);
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TALLOC_FREE(rec);
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TALLOC_FREE(db);
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TALLOC_FREE(msg);
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TALLOC_FREE(ev);
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return ret;
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}
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/*
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* Make sure dbwrap_parse_record does not return NT_STATUS_OK on
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* invalid data
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*/
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bool run_dbwrap_watch2(int dummy)
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{
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struct tevent_context *ev = NULL;
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struct messaging_context *msg = NULL;
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struct db_context *backend = NULL;
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struct db_context *db = NULL;
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const char *keystr = "key";
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TDB_DATA key = string_term_tdb_data(keystr);
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NTSTATUS status;
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bool ret = false;
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ret = test_dbwrap_watch_init(
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talloc_tos(), "test_watch.tdb", &ev, &msg, &backend, &db);
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if (!ret) {
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goto fail;
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}
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/*
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* Store invalid data (from the dbwrap_watch point of view)
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* directly into the backend database
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*/
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status = dbwrap_store_uint32_bystring(backend, keystr, UINT32_MAX);
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if (!NT_STATUS_IS_OK(status)) {
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fprintf(stderr, "dbwrap_store_uint32_bystring failed: %s\n",
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nt_errstr(status));
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goto fail;
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}
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status = dbwrap_parse_record(db, key, NULL, NULL);
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if (!NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
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fprintf(stderr, "dbwrap_parse_record returned %s, expected "
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"NT_STATUS_NOT_FOUND\n", nt_errstr(status));
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goto fail;
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}
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(void)unlink("test_watch.tdb");
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ret = true;
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fail:
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TALLOC_FREE(db);
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TALLOC_FREE(msg);
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TALLOC_FREE(ev);
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return ret;
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}
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/*
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* Test autocleanup of dead watchers
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*/
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bool run_dbwrap_watch3(int dummy)
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{
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struct tevent_context *ev = NULL;
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struct messaging_context *msg = NULL;
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struct db_context *backend = NULL;
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struct db_context *db = NULL;
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const char *keystr = "key";
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TDB_DATA key = string_term_tdb_data(keystr);
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NTSTATUS status;
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bool ret = false;
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pid_t child, waited;
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int wstatus, exit_status;
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BlockSignals(true, SIGCHLD);
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child = fork();
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if (child == -1) {
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fprintf(stderr,
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"fork failed: %s\n",
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strerror(errno));
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goto fail;
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}
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ret = test_dbwrap_watch_init(
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talloc_tos(), "test_watch.tdb", &ev, &msg, &backend, &db);
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if (!ret) {
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goto fail;
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}
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if (child == 0) {
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struct db_record *rec = dbwrap_fetch_locked(db, db, key);
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struct tevent_req *req = NULL;
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if (rec == NULL) {
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fprintf(stderr, "dbwrap_fetch_locked failed\n");
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exit(1);
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}
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req = dbwrap_watched_watch_send(
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db, ev, rec, (struct server_id) { 0 });
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if (req == NULL) {
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fprintf(stderr, "dbwrap_watched_watch_send failed\n");
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exit(2);
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}
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exit(0);
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}
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waited = waitpid(child, &wstatus, 0);
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if (waited == -1) {
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fprintf(stderr, "waitpid failed: %s\n", strerror(errno));
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goto fail;
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}
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if (!WIFEXITED(wstatus)) {
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fprintf(stderr, "child did not exit normally\n");
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goto fail;
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}
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exit_status = WEXITSTATUS(wstatus);
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if (exit_status != 0) {
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fprintf(stderr, "exit status is %d\n", exit_status);
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goto fail;
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}
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status = dbwrap_store_uint32_bystring(db, keystr, 1);
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if (!NT_STATUS_EQUAL(status, NT_STATUS_OK)) {
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fprintf(stderr,
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"dbwrap_store_uint32 returned %s\n",
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nt_errstr(status));
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goto fail;
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}
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(void)unlink("test_watch.tdb");
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ret = true;
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fail:
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TALLOC_FREE(db);
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TALLOC_FREE(msg);
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TALLOC_FREE(ev);
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return ret;
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}
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/*
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* Test that we can't add two watchers in the same
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* fetch_lock/do_locked round
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*/
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struct dbwrap_watch4_state {
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TALLOC_CTX *mem_ctx;
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struct tevent_context *ev;
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struct db_context *db;
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TDB_DATA key;
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NTSTATUS status;
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struct tevent_req *req1;
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NTSTATUS status1;
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struct tevent_req *req2;
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NTSTATUS status2;
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};
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static void dbwrap_watch4_done1(struct tevent_req *subreq);
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static void dbwrap_watch4_done2(struct tevent_req *subreq);
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static void dbwrap_watch4_fn(struct db_record *rec,
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TDB_DATA value,
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void *private_data)
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{
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struct dbwrap_watch4_state *state = private_data;
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bool ok;
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state->req1 = dbwrap_watched_watch_send(
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state->mem_ctx, state->ev, rec, (struct server_id) { .pid=0 });
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if (state->req1 == NULL) {
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goto nomem;
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}
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tevent_req_set_callback(state->req1, dbwrap_watch4_done1, state);
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state->status1 = NT_STATUS_EVENT_PENDING;
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ok = tevent_req_set_endtime(
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state->req1, state->ev, timeval_current_ofs(1, 0));
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if (!ok) {
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goto nomem;
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}
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state->req2 = dbwrap_watched_watch_send(
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state->mem_ctx, state->ev, rec, (struct server_id) { .pid=0 });
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if (state->req2 == NULL) {
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goto nomem;
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}
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tevent_req_set_callback(state->req2, dbwrap_watch4_done2, state);
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state->status2 = NT_STATUS_EVENT_PENDING;
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ok = tevent_req_set_endtime(
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state->req2, state->ev, timeval_current_ofs(1, 0));
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if (!ok) {
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goto nomem;
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}
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state->status = NT_STATUS_OK;
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return;
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nomem:
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state->status = NT_STATUS_NO_MEMORY;
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}
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static void dbwrap_watch4_done1(struct tevent_req *subreq)
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{
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struct dbwrap_watch4_state *state = tevent_req_callback_data_void(subreq);
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state->status1 = dbwrap_watched_watch_recv(subreq, NULL, NULL);
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TALLOC_FREE(subreq);
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printf("req1 finished: %s\n", nt_errstr(state->status1));
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state->req1 = NULL;
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}
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static void dbwrap_watch4_done2(struct tevent_req *subreq)
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{
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struct dbwrap_watch4_state *state = tevent_req_callback_data_void(subreq);
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state->status2 = dbwrap_watched_watch_recv(subreq, NULL, NULL);
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TALLOC_FREE(subreq);
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printf("req2 finished: %s\n", nt_errstr(state->status2));
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state->req2 = NULL;
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}
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bool run_dbwrap_watch4(int dummy)
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{
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struct tevent_context *ev = NULL;
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struct messaging_context *msg = NULL;
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struct db_context *backend = NULL;
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struct db_context *db = NULL;
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const char *keystr = "key";
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TDB_DATA key = string_term_tdb_data(keystr);
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struct dbwrap_watch4_state state = { 0 };
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NTSTATUS status;
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bool ret = false;
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bool ok;
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ok = test_dbwrap_watch_init(
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talloc_tos(), "test_watch.tdb", &ev, &msg, &backend, &db);
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if (!ok) {
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goto fail;
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}
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state = (struct dbwrap_watch4_state) {
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.mem_ctx = talloc_tos(),
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.ev = ev,
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.db = db,
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.key = key,
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};
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status = dbwrap_do_locked(db, key, dbwrap_watch4_fn, &state);
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if (!NT_STATUS_IS_OK(status)) {
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fprintf(stderr,
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"dbwrap_do_locked failed: %s\n",
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nt_errstr(status));
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goto fail;
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}
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if (!NT_STATUS_IS_OK(state.status)) {
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fprintf(stderr,
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"dbwrap_watch4_fn failed: %s\n",
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nt_errstr(status));
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goto fail;
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}
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status = dbwrap_store(db, key, key, 0);
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if (!NT_STATUS_IS_OK(status)) {
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fprintf(stderr,
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"dbwrap_store failed: %s\n",
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nt_errstr(status));
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goto fail;
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}
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while (NT_STATUS_EQUAL(state.status1, NT_STATUS_EVENT_PENDING) ||
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NT_STATUS_EQUAL(state.status2, NT_STATUS_EVENT_PENDING)) {
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int res = tevent_loop_once(ev);
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if (res != 0) {
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fprintf(stderr,
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"tevent_loop_once failed: %s\n",
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strerror(errno));
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goto fail;
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}
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}
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if (!NT_STATUS_IS_OK(state.status1)) {
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fprintf(stderr,
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"req1 returned %s\n",
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nt_errstr(state.status1));
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goto fail;
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}
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if (!NT_STATUS_EQUAL(state.status2, NT_STATUS_REQUEST_NOT_ACCEPTED)) {
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fprintf(stderr,
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"req2 returned %s\n",
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nt_errstr(state.status2));
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goto fail;
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}
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(void)unlink("test_watch.tdb");
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ret = true;
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fail:
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TALLOC_FREE(state.req2);
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TALLOC_FREE(state.req1);
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TALLOC_FREE(db);
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TALLOC_FREE(msg);
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TALLOC_FREE(ev);
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return ret;
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}
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