mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-12-22 09:24:54 +01:00
bfcf9a6c10
This addresses a bug report / feature request of Uwe Kleine-König. The assumption is that we always load a config file in the CLI (i.e. we never pass "" as the config file argument to notmuch_database_open_with_config). [1]: id:8baa58c3-7ab9-ec03-1bbd-28aa5be838f2@kleine-koenig.org
104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/* notmuch - Not much of an email program, (just index and search)
|
|
*
|
|
* This file is part of notmuch.
|
|
*
|
|
* Copyright © 2011 Jani Nikula
|
|
*
|
|
* 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 https://www.gnu.org/licenses/ .
|
|
*
|
|
* Author: Jani Nikula <jani@nikula.org>
|
|
*/
|
|
|
|
#include "notmuch-client.h"
|
|
#include <sys/wait.h>
|
|
|
|
int
|
|
notmuch_run_hook (notmuch_database_t *notmuch, const char *hook)
|
|
{
|
|
char *hook_path;
|
|
const char *config_path;
|
|
int status = 0;
|
|
pid_t pid;
|
|
|
|
hook_path = talloc_asprintf (notmuch, "%s/%s",
|
|
notmuch_config_get (notmuch, NOTMUCH_CONFIG_HOOK_DIR),
|
|
hook);
|
|
if (hook_path == NULL) {
|
|
fprintf (stderr, "Out of memory\n");
|
|
return 1;
|
|
}
|
|
|
|
config_path = notmuch_config_path (notmuch);
|
|
if (setenv ("NOTMUCH_CONFIG", config_path, 1)) {
|
|
perror ("setenv");
|
|
return 1;
|
|
}
|
|
|
|
/* Check access before fork() for speed and simplicity of error handling. */
|
|
if (access (hook_path, X_OK) == -1) {
|
|
/* Ignore ENOENT. It's okay not to have a hook, hook dir, or even
|
|
* notmuch dir. Dangling symbolic links also result in ENOENT, but
|
|
* we'll ignore that too for simplicity. */
|
|
if (errno != ENOENT) {
|
|
fprintf (stderr, "Error: %s hook access failed: %s\n", hook,
|
|
strerror (errno));
|
|
status = 1;
|
|
}
|
|
goto DONE;
|
|
}
|
|
|
|
/* Flush any buffered output before forking. */
|
|
fflush (stdout);
|
|
|
|
pid = fork ();
|
|
if (pid == -1) {
|
|
fprintf (stderr, "Error: %s hook fork failed: %s\n", hook,
|
|
strerror (errno));
|
|
status = 1;
|
|
goto DONE;
|
|
} else if (pid == 0) {
|
|
execl (hook_path, hook_path, NULL);
|
|
/* Same as above for ENOENT, but unlikely now. Indicate all other errors
|
|
* to parent through non-zero exit status. */
|
|
if (errno != ENOENT) {
|
|
fprintf (stderr, "Error: %s hook execution failed: %s\n", hook,
|
|
strerror (errno));
|
|
status = 1;
|
|
}
|
|
exit (status);
|
|
}
|
|
|
|
if (waitpid (pid, &status, 0) == -1) {
|
|
fprintf (stderr, "Error: %s hook wait failed: %s\n", hook,
|
|
strerror (errno));
|
|
status = 1;
|
|
goto DONE;
|
|
}
|
|
|
|
if (! WIFEXITED (status) || WEXITSTATUS (status)) {
|
|
if (WIFEXITED (status)) {
|
|
fprintf (stderr, "Error: %s hook failed with status %d\n",
|
|
hook, WEXITSTATUS (status));
|
|
} else if (WIFSIGNALED (status)) {
|
|
fprintf (stderr, "Error: %s hook terminated with signal %d\n",
|
|
hook, WTERMSIG (status));
|
|
}
|
|
status = 1;
|
|
}
|
|
|
|
DONE:
|
|
talloc_free (hook_path);
|
|
|
|
return status;
|
|
}
|