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3
* Plymouth - Read a password from Plymouth and output it
5
* Copyright © 2010-2011 Teddy Hogeborn
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* Copyright © 2010-2011 Björn Påhlsson
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* This program is free software: you can redistribute it and/or
9
* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, either version 3 of the
11
* License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful, but
5
* Copyright © 2010-2017 Teddy Hogeborn
6
* Copyright © 2010-2017 Björn Påhlsson
8
* This file is part of Mandos.
10
* Mandos is free software: you can redistribute it and/or modify it
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* 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
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16
* WITHOUT ANY WARRANTY; without even the implied warranty of
15
17
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18
* General Public License for more details.
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20
* You should have received a copy of the GNU General Public License
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* along with this program. If not, see
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* <http://www.gnu.org/licenses/>.
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* along with Mandos. If not, see <http://www.gnu.org/licenses/>.
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* Contact the authors at <mandos@recompile.se>.
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/* Function to use when printing errors */
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__attribute__((format (gnu_printf, 3, 4)))
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void error_plus(int status, int errnum, const char *formatstring,
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86
va_start(ap, formatstring);
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ret = vasprintf(&text, formatstring, ap);
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fprintf(stderr, "Mandos plugin %s: ",
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program_invocation_short_name);
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vfprintf(stderr, formatstring, ap);
158
__attribute__((nonnull (2, 3)))
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159
bool exec_and_wait(pid_t *pid_return, const char *path,
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const char **argv, bool interruptable,
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const char * const *argv, bool interruptable,
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char **new_argv = NULL;
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char **new_argv = malloc(sizeof(const char *));
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if(new_argv == NULL){
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error_plus(0, errno, "malloc");
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for (; argv[i]!=NULL; i++){
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tmp = realloc(new_argv, sizeof(const char *) * ((size_t)i + 1));
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for (; argv[i] != NULL; i++){
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tmp = realloc(new_argv, sizeof(const char *) * ((size_t)i + 2));
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error_plus(0, errno, "realloc");
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__attribute__((nonnull))
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223
int is_plymouth(const struct dirent *proc_entry){
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maxvalue = strtoumax(proc_entry->d_name, &tmp, 10);
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proc_id = strtoumax(proc_entry->d_name, &tmp, 10);
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if(errno != 0 or *tmp != '\0'
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or maxvalue != (uintmax_t)((pid_t)maxvalue)){
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or proc_id != (uintmax_t)((pid_t)proc_id)){
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271
pid_t get_pid(void){
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uintmax_t maxvalue = 0;
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uintmax_t proc_id = 0;
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274
FILE *pidfile = fopen(plymouth_pid, "r");
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275
/* Try the new pid file location */
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if(pidfile != NULL){
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ret = fscanf(pidfile, "%" SCNuMAX, &maxvalue);
277
ret = fscanf(pidfile, "%" SCNuMAX, &proc_id);
275
283
/* Try the old pid file location */
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285
pidfile = fopen(plymouth_pid, "r");
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286
if(pidfile != NULL){
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ret = fscanf(pidfile, "%" SCNuMAX, &maxvalue);
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ret = fscanf(pidfile, "%" SCNuMAX, &proc_id);
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294
/* Look for a plymouth process */
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296
struct dirent **direntries = NULL;
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297
ret = scandir("/proc", &direntries, is_plymouth, alphasort);
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error_plus(0, errno, "scandir");
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ret = sscanf(direntries[0]->d_name, "%" SCNuMAX, &maxvalue);
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ret = sscanf(direntries[0]->d_name, "%" SCNuMAX, &proc_id);
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error_plus(0, errno, "sscanf");
378
386
argz_extract(cmdline, cmdline_len, argv); /* Create argv */
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return (const char **)argv;
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return (const char * const *)argv;
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390
int main(__attribute__((unused))int argc,
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466
kill_and_wait(plymouth_command_pid);
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const char **plymouthd_argv;
468
const char * const *plymouthd_argv;
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469
pid_t pid = get_pid();
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471
error_plus(0, 0, "plymouthd pid not found");
added
removed
plugins.d/plymouth.c
