blob: 63571282972887fc30c135a243e40b0783cb1cd6
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Mini whoami implementation for busybox |
4 | * |
5 | * Copyright (C) 2000 Edward Betts <edward@debian.org>. |
6 | * |
7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
8 | */ |
9 | //config:config WHOAMI |
10 | //config: bool "whoami" |
11 | //config: default y |
12 | //config: help |
13 | //config: whoami is used to print the username of the current |
14 | //config: user id (same as id -un). |
15 | |
16 | //applet:IF_WHOAMI(APPLET_NOFORK(whoami, whoami, BB_DIR_USR_BIN, BB_SUID_DROP, whoami)) |
17 | |
18 | //kbuild:lib-$(CONFIG_WHOAMI) += whoami.o |
19 | |
20 | /* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */ |
21 | |
22 | //usage:#define whoami_trivial_usage |
23 | //usage: "" |
24 | //usage:#define whoami_full_usage "\n\n" |
25 | //usage: "Print the user name associated with the current effective user id" |
26 | |
27 | #include "libbb.h" |
28 | |
29 | int whoami_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
30 | int whoami_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) |
31 | { |
32 | if (argv[1]) |
33 | bb_show_usage(); |
34 | |
35 | /* Will complain and die if username not found */ |
36 | puts(xuid2uname(geteuid())); |
37 | |
38 | return fflush_all(); |
39 | } |
40 |