1
/* -*- coding: utf-8 -*- */
3
* Askpass-FIFO - Read a password from a FIFO 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 <mandos@fukt.bsnet.se>.
25
1
#define _GNU_SOURCE /* TEMP_FAILURE_RETRY() */
26
2
#include <sys/types.h> /* ssize_t */
27
3
#include <sys/stat.h> /* mkfifo(), S_IRUSR, S_IWUSR */
28
4
#include <iso646.h> /* and */
29
5
#include <errno.h> /* errno, EEXIST */
30
6
#include <stdio.h> /* perror() */
31
#include <stdlib.h> /* EXIT_FAILURE, NULL, size_t, free(),
7
#include <stdlib.h> /* EXIT_FAILURE, NULL, size_t, free(),
32
8
realloc(), EXIT_SUCCESS */
33
9
#include <fcntl.h> /* open(), O_RDONLY */
34
10
#include <unistd.h> /* read(), close(), write(),
44
20
const char passfifo[] = "/lib/cryptsetup/passfifo";
45
ret = (int)TEMP_FAILURE_RETRY(mkfifo(passfifo, S_IRUSR | S_IWUSR));
21
ret = TEMP_FAILURE_RETRY(mkfifo(passfifo, S_IRUSR | S_IWUSR));
46
22
if(ret == -1 and errno != EEXIST){
48
24
return EXIT_FAILURE;
52
int fifo_fd = (int)TEMP_FAILURE_RETRY(open(passfifo, O_RDONLY));
28
int fifo_fd = TEMP_FAILURE_RETRY(open(passfifo, O_RDONLY));
55
31
return EXIT_FAILURE;
62
38
size_t buf_allocated = 0;
63
39
const size_t blocksize = 1024;
65
41
if(buf_len + blocksize > buf_allocated){
66
42
char *tmp = realloc(buf, buf_allocated + blocksize);
added
removed
plugins.d/askpass-fifo.c
