xref: /aosp_15_r20/external/toybox/toys/posix/mkfifo.c (revision cf5a6c84e2b8763fc1a7db14496fd4742913b199)
1*cf5a6c84SAndroid Build Coastguard Worker /* mkfifo.c - Create FIFOs (named pipes)
2*cf5a6c84SAndroid Build Coastguard Worker  *
3*cf5a6c84SAndroid Build Coastguard Worker  * Copyright 2012 Georgi Chorbadzhiyski <[email protected]>
4*cf5a6c84SAndroid Build Coastguard Worker  *
5*cf5a6c84SAndroid Build Coastguard Worker  * See http://opengroup.org/onlinepubs/9699919799/utilities/mkfifo.html
6*cf5a6c84SAndroid Build Coastguard Worker 
7*cf5a6c84SAndroid Build Coastguard Worker USE_MKFIFO(NEWTOY(mkfifo, "<1"USE_MKFIFO_Z("Z:")"m:", TOYFLAG_USR|TOYFLAG_BIN))
8*cf5a6c84SAndroid Build Coastguard Worker 
9*cf5a6c84SAndroid Build Coastguard Worker config MKFIFO
10*cf5a6c84SAndroid Build Coastguard Worker   bool "mkfifo"
11*cf5a6c84SAndroid Build Coastguard Worker   default y
12*cf5a6c84SAndroid Build Coastguard Worker   help
13*cf5a6c84SAndroid Build Coastguard Worker     usage: mkfifo [NAME...]
14*cf5a6c84SAndroid Build Coastguard Worker 
15*cf5a6c84SAndroid Build Coastguard Worker     Create FIFOs (named pipes).
16*cf5a6c84SAndroid Build Coastguard Worker 
17*cf5a6c84SAndroid Build Coastguard Worker config MKFIFO_Z
18*cf5a6c84SAndroid Build Coastguard Worker   bool
19*cf5a6c84SAndroid Build Coastguard Worker   default y
20*cf5a6c84SAndroid Build Coastguard Worker   depends on MKFIFO && !TOYBOX_LSM_NONE
21*cf5a6c84SAndroid Build Coastguard Worker   help
22*cf5a6c84SAndroid Build Coastguard Worker     usage: mkfifo [-Z CONTEXT]
23*cf5a6c84SAndroid Build Coastguard Worker 
24*cf5a6c84SAndroid Build Coastguard Worker     -Z	Security context
25*cf5a6c84SAndroid Build Coastguard Worker */
26*cf5a6c84SAndroid Build Coastguard Worker 
27*cf5a6c84SAndroid Build Coastguard Worker #define FOR_mkfifo
28*cf5a6c84SAndroid Build Coastguard Worker #include "toys.h"
29*cf5a6c84SAndroid Build Coastguard Worker 
30*cf5a6c84SAndroid Build Coastguard Worker GLOBALS(
31*cf5a6c84SAndroid Build Coastguard Worker   char *m, *Z;
32*cf5a6c84SAndroid Build Coastguard Worker 
33*cf5a6c84SAndroid Build Coastguard Worker   mode_t mode;
34*cf5a6c84SAndroid Build Coastguard Worker )
35*cf5a6c84SAndroid Build Coastguard Worker 
mkfifo_main(void)36*cf5a6c84SAndroid Build Coastguard Worker void mkfifo_main(void)
37*cf5a6c84SAndroid Build Coastguard Worker {
38*cf5a6c84SAndroid Build Coastguard Worker   char **s;
39*cf5a6c84SAndroid Build Coastguard Worker 
40*cf5a6c84SAndroid Build Coastguard Worker   TT.mode = 0666;
41*cf5a6c84SAndroid Build Coastguard Worker   if (FLAG(m)) TT.mode = string_to_mode(TT.m, 0);
42*cf5a6c84SAndroid Build Coastguard Worker 
43*cf5a6c84SAndroid Build Coastguard Worker   if (CFG_MKFIFO_Z && FLAG(Z))
44*cf5a6c84SAndroid Build Coastguard Worker     if (0>lsm_set_create(TT.Z))
45*cf5a6c84SAndroid Build Coastguard Worker       perror_exit("-Z '%s' failed", TT.Z);
46*cf5a6c84SAndroid Build Coastguard Worker 
47*cf5a6c84SAndroid Build Coastguard Worker   for (s = toys.optargs; *s; s++)
48*cf5a6c84SAndroid Build Coastguard Worker     if (mknod(*s, S_IFIFO | TT.mode, 0) < 0) perror_msg_raw(*s);
49*cf5a6c84SAndroid Build Coastguard Worker }
50