1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Mini chgrp implementation for busybox
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4 | *
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5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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6 | *
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7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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8 | */
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9 |
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10 | /* BB_AUDIT SUSv3 defects - unsupported options -h, -H, -L, and -P. */
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11 | /* BB_AUDIT GNU defects - unsupported options -h, -c, -f, -v, and long options. */
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12 | /* BB_AUDIT Note: gnu chgrp does not support -H, -L, or -P. */
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13 | /* http://www.opengroup.org/onlinepubs/007904975/utilities/chgrp.html */
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14 |
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15 | #include <stdlib.h>
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16 | #include <unistd.h>
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17 | #include "busybox.h"
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18 |
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19 | /* Don't use lchown glibc older then 2.1.x */
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20 | #if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
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21 | #define lchown chown
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22 | #endif
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23 |
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24 | static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
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25 | {
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26 | if (lchown(fileName, statbuf->st_uid, *((long *) junk)) == 0) {
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27 | return (TRUE);
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28 | }
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29 | bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */
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30 | return (FALSE);
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31 | }
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32 |
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33 | int chgrp_main(int argc, char **argv)
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34 | {
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35 | long gid;
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36 | int recursiveFlag;
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37 | int retval = EXIT_SUCCESS;
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38 |
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39 | recursiveFlag = bb_getopt_ulflags(argc, argv, "R");
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40 |
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41 | if (argc - optind < 2) {
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42 | bb_show_usage();
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43 | }
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44 |
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45 | argv += optind;
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46 |
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47 | /* Find the selected group */
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48 | gid = get_ug_id(*argv, bb_xgetgrnam);
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49 | ++argv;
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50 |
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51 | /* Ok, ready to do the deed now */
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52 | do {
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53 | if (! recursive_action (*argv, recursiveFlag, FALSE, FALSE,
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54 | fileAction, fileAction, &gid)) {
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55 | retval = EXIT_FAILURE;
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56 | }
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57 | } while (*++argv);
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58 |
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59 | return retval;
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60 | }
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