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authorDenys Vlasenko <vda.linux@googlemail.com>2017-04-12 13:58:40 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2017-04-12 13:58:40 +0200
commit783d57af7bb2b851c16cf87df848e0365e5052da (patch)
tree71bb23e51b9cb40eac4a6fb831383134c1fc45a0 /miscutils/wall.c
parentac47a00e2ec398b04c3141cd3434a6e4b95740b1 (diff)
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Sort some miscutils/ applets into coreutils or util-linux
No code changes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/wall.c')
-rw-r--r--miscutils/wall.c63
1 files changed, 0 insertions, 63 deletions
diff --git a/miscutils/wall.c b/miscutils/wall.c
deleted file mode 100644
index 50658f457..000000000
--- a/miscutils/wall.c
+++ /dev/null
@@ -1,63 +0,0 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * wall - write a message to all logged-in users
4 * Copyright (c) 2009 Bernhard Reutner-Fischer
5 *
6 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
7 */
8
9//config:config WALL
10//config: bool "wall"
11//config: default y
12//config: depends on FEATURE_UTMP
13//config: help
14//config: Write a message to all users that are logged in.
15
16/* Needs to be run by root or be suid root - needs to write to /dev/TTY: */
17//applet:IF_WALL(APPLET(wall, BB_DIR_USR_BIN, BB_SUID_REQUIRE))
18
19//kbuild:lib-$(CONFIG_WALL) += wall.o
20
21//usage:#define wall_trivial_usage
22//usage: "[FILE]"
23//usage:#define wall_full_usage "\n\n"
24//usage: "Write content of FILE or stdin to all logged-in users"
25//usage:
26//usage:#define wall_sample_usage
27//usage: "echo foo | wall\n"
28//usage: "wall ./mymessage"
29
30#include "libbb.h"
31
32int wall_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
33int wall_main(int argc UNUSED_PARAM, char **argv)
34{
35 struct utmpx *ut;
36 char *msg;
37 int fd;
38
39 fd = STDIN_FILENO;
40 if (argv[1]) {
41 /* The applet is setuid.
42 * Access to the file must be under user's uid/gid.
43 */
44 fd = xopen_as_uid_gid(argv[1], O_RDONLY, getuid(), getgid());
45 }
46 msg = xmalloc_read(fd, NULL);
47 if (ENABLE_FEATURE_CLEAN_UP && argv[1])
48 close(fd);
49 setutxent();
50 while ((ut = getutxent()) != NULL) {
51 char *line;
52 if (ut->ut_type != USER_PROCESS)
53 continue;
54 line = concat_path_file("/dev", ut->ut_line);
55 xopen_xwrite_close(line, msg);
56 free(line);
57 }
58 if (ENABLE_FEATURE_CLEAN_UP) {
59 endutxent();
60 free(msg);
61 }
62 return EXIT_SUCCESS;
63}