diff options
Diffstat (limited to 'release/src/router/busybox/chown.c')
-rw-r--r-- | release/src/router/busybox/chown.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/release/src/router/busybox/chown.c b/release/src/router/busybox/chown.c new file mode 100644 index 00000000..d1e52ded --- /dev/null +++ b/release/src/router/busybox/chown.c @@ -0,0 +1,113 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini chown/chmod/chgrp implementation for busybox + * + * + * Copyright (C) 1999,2000,2001 by Lineo, inc. + * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.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 + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include "busybox.h" + +/* Don't use lchown for libc5 or 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) { + return (TRUE); + } + perror(fileName); + return (FALSE); +} + +int chown_main(int argc, char **argv) +{ + int opt; + int recursiveFlag = FALSE, + noderefFlag = FALSE; + char *groupName=NULL; + char *p=NULL; + + /* do normal option parsing */ + while ((opt = getopt(argc, argv, "Rh")) > 0) { + switch (opt) { + case 'R': + recursiveFlag = TRUE; + break; + case 'h': + noderefFlag = TRUE; + break; + default: + show_usage(); + } + } + + if (noderefFlag) chown_func = lchown; + + if (argc > optind && argc > 2 && argv[optind]) { + /* First, check if there is a group name here */ + groupName = strchr(argv[optind], '.'); + if (groupName == NULL) + groupName = strchr(argv[optind], ':'); + if (groupName) { + *groupName++ = '\0'; + gid = strtoul(groupName, &p, 10); + if (groupName == p) + gid = my_getgrnam(groupName); + } else { + gid = -1; + } + /* Now check for the username */ + uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */ + if (argv[optind] == p) { + uid = my_getpwnam(argv[optind]); + } + } else { + error_msg_and_die(too_few_args); + } + + /* Ok, ready to do the deed now */ + while (++optind < argc) { + if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE, + fileAction, fileAction, NULL) == FALSE) { + return EXIT_FAILURE; + } + } + return EXIT_SUCCESS; + +} + +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ |