blob: 8dca63cf705db4580b768cbbf6414e4fefe9d411
| 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Mini chgrp implementation for busybox |
| 4 | * |
| 5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
| 6 | * |
| 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| 8 | */ |
| 9 | //config:config CHGRP |
| 10 | //config: bool "chgrp" |
| 11 | //config: default y |
| 12 | //config: help |
| 13 | //config: chgrp is used to change the group ownership of files. |
| 14 | |
| 15 | //applet:IF_CHGRP(APPLET_NOEXEC(chgrp, chgrp, BB_DIR_BIN, BB_SUID_DROP, chgrp)) |
| 16 | |
| 17 | //kbuild:lib-$(CONFIG_CHGRP) += chgrp.o chown.o |
| 18 | |
| 19 | /* BB_AUDIT SUSv3 defects - none? */ |
| 20 | /* BB_AUDIT GNU defects - unsupported long options. */ |
| 21 | /* http://www.opengroup.org/onlinepubs/007904975/utilities/chgrp.html */ |
| 22 | |
| 23 | //usage:#define chgrp_trivial_usage |
| 24 | //usage: "[-RhLHP"IF_DESKTOP("cvf")"]... GROUP FILE..." |
| 25 | //usage:#define chgrp_full_usage "\n\n" |
| 26 | //usage: "Change the group membership of each FILE to GROUP\n" |
| 27 | //usage: "\n -R Recurse" |
| 28 | //usage: "\n -h Affect symlinks instead of symlink targets" |
| 29 | //usage: "\n -L Traverse all symlinks to directories" |
| 30 | //usage: "\n -H Traverse symlinks on command line only" |
| 31 | //usage: "\n -P Don't traverse symlinks (default)" |
| 32 | //usage: IF_DESKTOP( |
| 33 | //usage: "\n -c List changed files" |
| 34 | //usage: "\n -v Verbose" |
| 35 | //usage: "\n -f Hide errors" |
| 36 | //usage: ) |
| 37 | //usage: |
| 38 | //usage:#define chgrp_example_usage |
| 39 | //usage: "$ ls -l /tmp/foo\n" |
| 40 | //usage: "-r--r--r-- 1 andersen andersen 0 Apr 12 18:25 /tmp/foo\n" |
| 41 | //usage: "$ chgrp root /tmp/foo\n" |
| 42 | //usage: "$ ls -l /tmp/foo\n" |
| 43 | //usage: "-r--r--r-- 1 andersen root 0 Apr 12 18:25 /tmp/foo\n" |
| 44 | |
| 45 | #include "libbb.h" |
| 46 | |
| 47 | /* This is a NOEXEC applet. Be very careful! */ |
| 48 | |
| 49 | |
| 50 | int chgrp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
| 51 | int chgrp_main(int argc, char **argv) |
| 52 | { |
| 53 | /* "chgrp [opts] abc file(s)" == "chown [opts] :abc file(s)" */ |
| 54 | char **p = argv; |
| 55 | while (*++p) { |
| 56 | if (p[0][0] != '-') { |
| 57 | p[0] = xasprintf(":%s", p[0]); |
| 58 | break; |
| 59 | } |
| 60 | } |
| 61 | return chown_main(argc, argv); |
| 62 | } |
| 63 |