rmdir.c revision 4fce32e15d9c284a06aea2e40852f6674f03b63e
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1995 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Rmdir(1) removes directory.
* If -p option is used, rmdir(1) tries to remove the directory
* and it's parent directories. It exits with code 0 if the WHOLE
* given path is removed and 2 if part of path remains.
* Results are printed except when -s is used.
*/
#include <stdio.h>
#include <libgen.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <locale.h>
int
main(int argc, char **argv)
{
char *prog;
int c, pflag, sflag, errflg, rc;
char *ptr, *remain, *msg, *path;
unsigned int pathlen;
prog = argv[0];
pflag = sflag = 0;
errflg = 0;
/* set effective uid, euid, to be same as real */
/* uid, ruid. Rmdir(2) checks search & write */
/* permissions for euid, but for compatibility */
/* the check must be done using ruid. */
(void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
#define TEXT_DOMAIN "SYS_TEST" /* Use this only if it wasn't */
#endif
(void) textdomain(TEXT_DOMAIN);
if (setuid(getuid()) == -1) {
char buf[80];
(void) sprintf(buf, gettext("%s: setuid(2) failed"), prog);
perror(buf);
exit(1);
}
while ((c = getopt(argc, argv, "ps")) != EOF)
switch (c) {
case 'p':
pflag++;
break;
case 's':
sflag++;
break;
case '?':
errflg++;
break;
}
if (argc < 2 || errflg) {
(void) fprintf(stderr, gettext("Usage: %s [-ps] dirname ...\n"),
prog);
exit(2);
}
errno = 0;
argc -= optind;
argv = &argv[optind];
while (argc--) {
ptr = *argv++;
/*
* -p option. Remove directory and parents.
* Prints results of removing
*/
if (pflag) {
pathlen = (unsigned)strlen(ptr);
if ((path = (char *)malloc(pathlen + 4)) == NULL ||
(remain = (char *)malloc(pathlen + 4)) == NULL) {
perror(prog);
exit(2);
}
(void) strcpy(path, ptr);
/*
* rmdirp removes directory and parents
* rc != 0 implies only part of path removed
*/
if (((rc = rmdirp(path, remain)) != 0) && !sflag) {
switch (rc) {
case -1:
if (errno == EEXIST)
msg = gettext(
"Directory not empty");
else
msg = strerror(errno);
break;
case -2:
errno = EINVAL;
msg = gettext("Can not remove . or ..");
break;
case -3:
errno = EINVAL;
msg = gettext(
"Can not remove current directory");
break;
}
(void) fprintf(stderr, gettext("%s: directory"
" \"%s\": %s not removed; %s\n"),
prog, ptr, remain, msg);
}
free(path);
free(remain);
continue;
}
/* No -p option. Remove only one directory */
if (rmdir(ptr) == -1) {
switch (errno) {
case EEXIST:
msg = gettext("Directory not empty");
break;
case ENOTDIR:
msg = gettext("Path component not a directory");
break;
case ENOENT:
msg = gettext("Directory does not exist");
break;
case EACCES:
msg = gettext(
"Search or write permission needed");
break;
case EBUSY:
msg = gettext(
"Directory is a mount point or in use");
break;
case EROFS:
msg = gettext("Read-only file system");
break;
case EIO:
msg = gettext(
"I/O error accessing file system");
break;
case EINVAL:
msg = gettext(
"Can't remove current directory or ..");
break;
case EFAULT:
default:
msg = strerror(errno);
break;
}
(void) fprintf(stderr,
gettext("%s: directory \"%s\": %s\n"),
prog, ptr, msg);
continue;
}
}
return (errno ? 2 : 0);
}