3
3
* Plymouth - Read a password from Plymouth and output it
5
* Copyright © 2010-2012 Teddy Hogeborn
6
* Copyright © 2010-2012 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 © 2010-2018 Teddy Hogeborn
6
* Copyright © 2010-2018 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>.
56
57
sig_atomic_t interrupted_by_signal = 0;
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59
/* Used by Ubuntu 11.04 (Natty Narwahl) */
59
const char plymouth_old_pid[] = "/dev/.initramfs/plymouth.pid";
60
const char plymouth_old_old_pid[] = "/dev/.initramfs/plymouth.pid";
60
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/* Used by Ubuntu 11.10 (Oneiric Ocelot) */
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const char plymouth_pid[] = "/run/initramfs/plymouth.pid";
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const char plymouth_old_pid[] = "/run/initramfs/plymouth.pid";
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/* Used by Debian 9 (stretch) */
64
const char plymouth_pid[] = "/run/plymouth/pid";
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66
const char plymouth_path[] = "/bin/plymouth";
64
67
const char plymouthd_path[] = "/sbin/plymouthd";
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88
va_start(ap, formatstring);
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ret = vasprintf(&text, formatstring, ap);
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91
fprintf(stderr, "Mandos plugin %s: ",
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92
program_invocation_short_name);
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93
vfprintf(stderr, formatstring, ap);
157
160
__attribute__((nonnull (2, 3)))
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161
bool exec_and_wait(pid_t *pid_return, const char *path,
159
const char **argv, bool interruptable,
162
const char * const *argv, bool interruptable,
177
char **new_argv = NULL;
180
char **new_argv = malloc(sizeof(const char *));
181
if(new_argv == NULL){
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error_plus(0, errno, "malloc");
180
for (; argv[i]!=NULL; i++){
181
tmp = realloc(new_argv, sizeof(const char *) * ((size_t)i + 1));
187
for (; argv[i] != NULL; i++){
188
tmp = realloc(new_argv, sizeof(const char *) * ((size_t)i + 2));
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190
error_plus(0, errno, "realloc");
278
285
/* Try the old pid file location */
279
286
if(proc_id == 0){
280
pidfile = fopen(plymouth_pid, "r");
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pidfile = fopen(plymouth_old_pid, "r");
289
ret = fscanf(pidfile, "%" SCNuMAX, &proc_id);
296
/* Try the old old pid file location */
298
pidfile = fopen(plymouth_old_old_pid, "r");
281
299
if(pidfile != NULL){
282
300
ret = fscanf(pidfile, "%" SCNuMAX, &proc_id);
290
308
if(proc_id == 0){
291
309
struct dirent **direntries = NULL;
292
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ret = scandir("/proc", &direntries, is_plymouth, alphasort);
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312
error_plus(0, errno, "scandir");
297
ret = sscanf(direntries[0]->d_name, "%" SCNuMAX, &proc_id);
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error_plus(0, errno, "sscanf");
315
for(int i = ret-1; i >= 0; i--){
317
ret = sscanf(direntries[i]->d_name, "%" SCNuMAX, &proc_id);
319
error_plus(0, errno, "sscanf");
302
325
/* scandir might preallocate for this variable (man page unclear).
381
404
argz_extract(cmdline, cmdline_len, argv); /* Create argv */
382
return (const char **)argv;
385
408
int main(__attribute__((unused))int argc,
461
484
kill_and_wait(plymouth_command_pid);
463
const char **plymouthd_argv;
486
char **plymouthd_argv = NULL;
464
487
pid_t pid = get_pid();
466
489
error_plus(0, 0, "plymouthd pid not found");
467
plymouthd_argv = plymouthd_default_argv;
469
491
plymouthd_argv = getargv(pid);
473
495
{ plymouth_path, "quit", NULL },
498
if(plymouthd_argv != NULL){
499
free(*plymouthd_argv);
500
free(plymouthd_argv);
476
502
exit(EXIT_FAILURE);
478
bret = exec_and_wait(NULL, plymouthd_path, plymouthd_argv,
504
bret = exec_and_wait(NULL, plymouthd_path,
505
(plymouthd_argv != NULL)
506
? (const char * const *)plymouthd_argv
507
: plymouthd_default_argv,
509
if(plymouthd_argv != NULL){
510
free(*plymouthd_argv);
511
free(plymouthd_argv);
481
514
exit(EXIT_FAILURE);
added
removed
plugins.d/plymouth.c
