blob: 8a2f20553fe6ca4303722b11926d5045d72b6efc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/* vi: set sw=4 ts=4: */
/*
* mkfifo implementation for busybox
*
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
//config:config MKFIFO
//config: bool "mkfifo (3.7 kb)"
//config: default y
//config: help
//config: mkfifo is used to create FIFOs (named pipes).
//config: The 'mknod' program can also create FIFOs.
//applet:IF_MKFIFO(APPLET_NOEXEC(mkfifo, mkfifo, BB_DIR_USR_BIN, BB_SUID_DROP, mkfifo))
//kbuild:lib-$(CONFIG_MKFIFO) += mkfifo.o
/* BB_AUDIT SUSv3 compliant */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/mkfifo.html */
//usage:#define mkfifo_trivial_usage
//usage: "[-m MODE] " IF_SELINUX("[-Z] ") "NAME"
//usage:#define mkfifo_full_usage "\n\n"
//usage: "Create named pipe\n"
//usage: "\n -m MODE Mode (default a=rw)"
//usage: IF_SELINUX(
//usage: "\n -Z Set security context"
//usage: )
#include "libbb.h"
#include "libcoreutils/coreutils.h"
/* This is a NOEXEC applet. Be very careful! */
int mkfifo_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int mkfifo_main(int argc UNUSED_PARAM, char **argv)
{
mode_t mode;
int retval = EXIT_SUCCESS;
mode = getopt_mk_fifo_nod(argv);
argv += optind;
if (!*argv) {
bb_show_usage();
}
do {
if (mkfifo(*argv, mode) < 0) {
bb_simple_perror_msg(*argv); /* Avoid multibyte problems. */
retval = EXIT_FAILURE;
}
} while (*++argv);
return retval;
}
|
