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116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/* Support functions for nscd testing.
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Copyright (C) 2026 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <support/nscd_test.h>
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#include <libgen.h>
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#include <signal.h>
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#include <spawn.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <support/check.h>
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#include <support/support.h>
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#include <support/xspawn.h>
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#include <support/xunistd.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <nscd/nscd.h>
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#include <nscd/nscd-client.h>
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static pid_t nscd_pid;
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void
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support_nscd_copy_configuration (void)
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{
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char *from = xasprintf ("%s/nscd/nscd.conf", support_srcdir_root);
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support_copy_file (from, _PATH_NSCDCONF);
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free (from);
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}
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void
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support_nscd_start (void)
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{
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/* The --shutdown directive used in support_nscd_stop has a UID check. */
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if (getuid () != 0)
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FAIL_UNSUPPORTED ("nscd needs to run as root"
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" (use test-container su directive)");
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/* Create required directories. Without /var/db/nscd, the shared
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cache will not work. */
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{
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char socket[] = _PATH_NSCDSOCKET;
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xmkdirp (dirname (socket), 0755);
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}
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{
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char var_db_passwd[] = _PATH_NSCD_PASSWD_DB;
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xmkdirp (dirname (var_db_passwd), 0755);
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}
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/* Create the directory for the persistent database files. Without
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this, nscd cannot create the shared memory mappings. */
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xmkdirp ("/var/db/nscd", 0755);
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char *nscd_path = xasprintf ("%s/nscd/nscd", support_objdir_root);
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char *args[] = { nscd_path, (char *) "--foreground",
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(char *) "--debug", NULL };
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posix_spawn_file_actions_t file_actions;
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posix_spawn_file_actions_init (&file_actions);
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xposix_spawn_file_actions_adddup2 (&file_actions,
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STDOUT_FILENO, STDERR_FILENO);
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nscd_pid = xposix_spawn (nscd_path, &file_actions, NULL, args, NULL);
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posix_spawn_file_actions_destroy (&file_actions);
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free (nscd_path);
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/* Wait for the nscd socket to be come available. Without that, the
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following tests will likely fallback to non-nscd NSS processing
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instead. */
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while (true)
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{
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if (access (_PATH_NSCDSOCKET, F_OK) == 0)
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break;
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int status;
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int ret = waitpid (nscd_pid, &status, WNOHANG);
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if (ret < 0)
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FAIL_EXIT1 ("waitpid on nscd failed: %m");
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else if (ret > 0)
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FAIL_EXIT1 ("nscd exited with status %d", status);
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usleep (10 * 1000);
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}
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}
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void
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support_nscd_stop (void)
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{
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char *cmd = xasprintf ("%s/nscd/nscd --shutdown", support_objdir_root);
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TEST_COMPARE (system (cmd), 0);
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free (cmd);
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int status;
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xwaitpid (nscd_pid, &status, 0);
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TEST_COMPARE (status, 0);
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}
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void
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support_nscd_invalidate (const char *database)
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{
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char *cmd = xasprintf ("%s/nscd/nscd --invalidate %s",
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support_objdir_root, database);
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TEST_COMPARE (system (cmd), 0);
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free (cmd);
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}
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