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author | nobody | 2004-10-13 09:42:10 +0000 |
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committer | nobody | 2004-10-13 09:42:10 +0000 |
commit | 8c59a0bf0e9e2d87b0ff273ea3f0bf05bbbf6373 (patch) | |
tree | 1826706cd4fd009fcd14f4f8021005ec8ec0fa59 /busybox/coreutils/chown.c | |
download | busybox-8c59a0bf0e9e2d87b0ff273ea3f0bf05bbbf6373.zip busybox-8c59a0bf0e9e2d87b0ff273ea3f0bf05bbbf6373.tar.gz |
This commit was manufactured by cvs2svn to create tag 'busybox_1_00'.
Diffstat (limited to 'busybox/coreutils/chown.c')
-rw-r--r-- | busybox/coreutils/chown.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/busybox/coreutils/chown.c b/busybox/coreutils/chown.c new file mode 100644 index 0000000..638745f --- /dev/null +++ b/busybox/coreutils/chown.c @@ -0,0 +1,105 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini chown implementation for busybox + * + * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +/* BB_AUDIT SUSv3 defects - unsupported options -h, -H, -L, and -P. */ +/* BB_AUDIT GNU defects - unsupported options -h, -c, -f, -v, and long options. */ +/* BB_AUDIT Note: gnu chown does not support -H, -L, or -P. */ +/* http://www.opengroup.org/onlinepubs/007904975/utilities/chown.html */ + +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include "busybox.h" + +/* Don't use lchown for glibc older then 2.1.x */ +#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1) +#define lchown chown +#endif + +static long uid; +static long gid; + +static int (*chown_func)(const char *, uid_t, gid_t) = chown; + +static int fileAction(const char *fileName, struct stat *statbuf, void* junk) +{ + if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) { + chmod(fileName, statbuf->st_mode); + return (TRUE); + } + bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */ + return (FALSE); +} + +#define FLAG_R 1 +#define FLAG_h 2 + +int chown_main(int argc, char **argv) +{ + int flags; + int retval = EXIT_SUCCESS; + char *groupName; + + flags = bb_getopt_ulflags(argc, argv, "Rh"); + + if (flags & FLAG_h) chown_func = lchown; + + if (argc - optind < 2) { + bb_show_usage(); + } + + argv += optind; + + /* First, check if there is a group name here */ + if ((groupName = strchr(*argv, '.')) == NULL) { + groupName = strchr(*argv, ':'); + } + + gid = -1; + if (groupName) { + *groupName++ = '\0'; + gid = get_ug_id(groupName, my_getgrnam); + } + + /* Now check for the username */ + uid = get_ug_id(*argv, my_getpwnam); + + ++argv; + + /* Ok, ready to do the deed now */ + do { + if (! recursive_action (*argv, (flags & FLAG_R), FALSE, FALSE, + fileAction, fileAction, NULL)) { + retval = EXIT_FAILURE; + } + } while (*++argv); + + return retval; +} + +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ |