3
3
* Usplash - Read a password from usplash and output it
5
* Copyright © 2008-2011 Teddy Hogeborn
6
* Copyright © 2008-2011 Björn Påhlsson
8
* This program is free software: you can redistribute it and/or
9
* modify it under the terms of the GNU General Public License as
10
* published by the Free Software Foundation, either version 3 of the
11
* License, or (at your option) any later version.
13
* This program is distributed in the hope that it will be useful, but
5
* Copyright © 2008-2018, 2021-2022 Teddy Hogeborn
6
* Copyright © 2008-2018, 2021-2022 Björn Påhlsson
8
* This file is part of Mandos.
10
* Mandos is free software: you can redistribute it and/or modify it
11
* under the terms of the GNU General Public License as published by
12
* the Free Software Foundation, either version 3 of the License, or
13
* (at your option) any later version.
15
* Mandos is distributed in the hope that it will be useful, but
14
16
* WITHOUT ANY WARRANTY; without even the implied warranty of
15
17
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16
18
* General Public License for more details.
18
20
* You should have received a copy of the GNU General Public License
19
* along with this program. If not, see
20
* <http://www.gnu.org/licenses/>.
21
* along with Mandos. If not, see <http://www.gnu.org/licenses/>.
22
23
* Contact the authors at <mandos@recompile.se>.
25
#define _GNU_SOURCE /* asprintf(), TEMP_FAILURE_RETRY() */
26
#include <signal.h> /* sig_atomic_t, struct sigaction,
27
sigemptyset(), sigaddset(), SIGINT,
28
SIGHUP, SIGTERM, sigaction(),
29
SIG_IGN, kill(), SIGKILL */
26
#define _GNU_SOURCE /* vasprintf(),
27
program_invocation_short_name,
28
asprintf(), TEMP_FAILURE_RETRY() */
29
#include <sys/types.h> /* sig_atomic_t, pid_t, setuid(),
30
geteuid(), setsid() */
31
#include <stdarg.h> /* va_list, va_start(), vfprintf() */
32
#include <stdio.h> /* vasprintf(), fprintf(), stderr,
33
vfprintf(), asprintf() */
34
#include <errno.h> /* program_invocation_short_name,
35
errno, ENOENT, EINTR */
36
#include <string.h> /* strerror(), strlen(), memcmp() */
37
#include <error.h> /* error() */
38
#include <stdlib.h> /* free(), getenv(), realloc(),
39
EXIT_FAILURE, EXIT_SUCCESS,
30
41
#include <stdbool.h> /* bool, false, true */
31
42
#include <fcntl.h> /* open(), O_WRONLY, O_RDONLY */
32
#include <iso646.h> /* and, or, not*/
33
#include <errno.h> /* errno, EINTR */
35
#include <sys/types.h> /* size_t, ssize_t, pid_t, DIR, struct
37
#include <stddef.h> /* NULL */
38
#include <string.h> /* strlen(), memcmp(), strerror() */
39
#include <stdio.h> /* asprintf(), vasprintf(), vprintf(),
41
#include <unistd.h> /* close(), write(), readlink(),
42
read(), STDOUT_FILENO, sleep(),
43
fork(), setuid(), geteuid(),
44
setsid(), chdir(), dup2(),
45
STDERR_FILENO, execv() */
46
#include <stdlib.h> /* free(), EXIT_FAILURE, realloc(),
47
EXIT_SUCCESS, malloc(), _exit(),
49
#include <dirent.h> /* opendir(), readdir(), closedir() */
43
#include <stddef.h> /* size_t, NULL */
44
#include <unistd.h> /* close(), ssize_t, write(),
45
readlink(), read(), STDOUT_FILENO,
46
sleep(), fork(), setuid(),
47
geteuid(), setsid(), chdir(),
48
_exit(), dup2(), STDERR_FILENO,
49
execv(), TEMP_FAILURE_RETRY(),
51
#include <dirent.h> /* DIR, opendir(), struct dirent,
52
readdir(), closedir() */
50
53
#include <inttypes.h> /* intmax_t, strtoimax() */
51
#include <sys/stat.h> /* struct stat, lstat(), S_ISLNK */
54
#include <iso646.h> /* or, not, and */
55
#include <sys/stat.h> /* struct stat, lstat(), S_ISLNK() */
52
56
#include <sysexits.h> /* EX_OSERR, EX_UNAVAILABLE */
57
#include <signal.h> /* struct sigaction, sigemptyset(),
58
sigaddset(), SIGINT, SIGHUP,
59
SIGTERM, SIG_IGN, kill(), SIGKILL,
53
61
#include <argz.h> /* argz_count(), argz_extract() */
54
#include <stdarg.h> /* va_list, va_start(), ... */
56
63
sig_atomic_t interrupted_by_signal = 0;
57
64
int signal_received;
58
65
const char usplash_name[] = "/sbin/usplash";
60
67
/* Function to use when printing errors */
68
__attribute__((format (gnu_printf, 3, 4)))
61
69
void error_plus(int status, int errnum, const char *formatstring,
added
removed
plugins.d/usplash.c
