1
/* -*- coding: utf-8 -*- */
3
* Splashy - Read a password from splashy and output it
5
* Copyright © 2008,2009 Teddy Hogeborn
6
* Copyright © 2008,2009 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
14
* WITHOUT ANY WARRANTY; without even the implied warranty of
15
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16
* General Public License for more details.
18
* 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/>.
22
* Contact the authors at <https://www.fukt.bsnet.se/~belorn/> and
23
* <https://www.fukt.bsnet.se/~teddy/>.
26
1
#define _GNU_SOURCE /* asprintf() */
27
2
#include <signal.h> /* sig_atomic_t, struct sigaction,
28
3
sigemptyset(), sigaddset(), SIGINT,
31
6
#include <stddef.h> /* NULL */
32
7
#include <stdlib.h> /* getenv() */
33
8
#include <stdio.h> /* asprintf(), perror() */
34
#include <stdlib.h> /* EXIT_FAILURE, free(),
9
#include <stdlib.h> /* EXIT_FAILURE, free(), strtoul(),
36
11
#include <sys/types.h> /* pid_t, DIR, struct dirent,
38
13
#include <dirent.h> /* opendir(), readdir(), closedir() */
39
#include <inttypes.h> /* intmax_t, strtoimax() */
40
14
#include <sys/stat.h> /* struct stat, lstat(), S_ISLNK */
41
15
#include <iso646.h> /* not, or, and */
42
16
#include <unistd.h> /* readlink(), fork(), execl(),
98
72
for(struct dirent *proc_ent = readdir(proc_dir);
100
74
proc_ent = readdir(proc_dir)){
106
tmpmax = strtoimax(proc_ent->d_name, &tmp, 10);
107
if(errno != 0 or tmp == proc_ent->d_name or *tmp != '\0'
108
or tmpmax != (pid_t)tmpmax){
75
pid_t pid = (pid_t) strtoul(proc_ent->d_name, NULL, 10);
114
80
/* Find the executable name by doing readlink() on the
115
81
/proc/<pid>/exe link */