271ce58544
Before this fix the -h flag was ignored (i.e. setfacl always set the ACL on the file pointed to by the symbolic link even when the -h flag requested that the ACL be set on the symbolic link itself).
279 lines
7.0 KiB
C
279 lines
7.0 KiB
C
/*-
|
|
* Copyright (c) 2001 Chris D. Faulhaber
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE VOICES IN HIS HEAD BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/acl.h>
|
|
#include <sys/queue.h>
|
|
|
|
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "setfacl.h"
|
|
|
|
static void add_filename(const char *filename);
|
|
static acl_t *get_file_acls(const char *filename);
|
|
static void usage(void);
|
|
|
|
static void
|
|
add_filename(const char *filename)
|
|
{
|
|
struct sf_file *file;
|
|
|
|
if (strlen(filename) > PATH_MAX - 1) {
|
|
warn("illegal filename");
|
|
return;
|
|
}
|
|
file = zmalloc(sizeof(struct sf_file));
|
|
file->filename = filename;
|
|
TAILQ_INSERT_TAIL(&filelist, file, next);
|
|
}
|
|
|
|
static acl_t *
|
|
get_file_acls(const char *filename)
|
|
{
|
|
acl_t *acl;
|
|
struct stat sb;
|
|
|
|
if (stat(filename, &sb) == -1) {
|
|
warn("stat() of %s failed", filename);
|
|
return (NULL);
|
|
}
|
|
|
|
acl = zmalloc(sizeof(acl_t) * 2);
|
|
if (h_flag)
|
|
acl[ACCESS_ACL] = acl_get_link_np(filename, ACL_TYPE_ACCESS);
|
|
else
|
|
acl[ACCESS_ACL] = acl_get_file(filename, ACL_TYPE_ACCESS);
|
|
if (acl[ACCESS_ACL] == NULL)
|
|
err(1, "acl_get_file() failed");
|
|
if (S_ISDIR(sb.st_mode)) {
|
|
if (h_flag)
|
|
acl[DEFAULT_ACL] = acl_get_link_np(filename,
|
|
ACL_TYPE_DEFAULT);
|
|
else
|
|
acl[DEFAULT_ACL] = acl_get_file(filename,
|
|
ACL_TYPE_DEFAULT);
|
|
if (acl[DEFAULT_ACL] == NULL)
|
|
err(1, "acl_get_file() failed");
|
|
} else
|
|
acl[DEFAULT_ACL] = NULL;
|
|
|
|
return (acl);
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
|
|
fprintf(stderr, "usage: setfacl [-bdhkn] [-m entries] [-M file] "
|
|
"[-x entries] [-X file] [file ...]\n");
|
|
exit(1);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
acl_t *acl, final_acl;
|
|
char filename[PATH_MAX];
|
|
int local_error, carried_error, ch, i;
|
|
struct sf_file *file;
|
|
struct sf_entry *entry;
|
|
const char *fn_dup;
|
|
|
|
acl_type = ACL_TYPE_ACCESS;
|
|
carried_error = local_error = 0;
|
|
h_flag = have_mask = have_stdin = n_flag = need_mask = 0;
|
|
|
|
TAILQ_INIT(&entrylist);
|
|
TAILQ_INIT(&filelist);
|
|
|
|
while ((ch = getopt(argc, argv, "M:X:bdhkm:nx:")) != -1)
|
|
switch(ch) {
|
|
case 'M':
|
|
entry = zmalloc(sizeof(struct sf_entry));
|
|
entry->acl = get_acl_from_file(optarg);
|
|
if (entry->acl == NULL)
|
|
err(1, "get_acl_from_file() failed");
|
|
entry->op = OP_MERGE_ACL;
|
|
TAILQ_INSERT_TAIL(&entrylist, entry, next);
|
|
break;
|
|
case 'X':
|
|
entry = zmalloc(sizeof(struct sf_entry));
|
|
entry->acl = get_acl_from_file(optarg);
|
|
entry->op = OP_REMOVE_ACL;
|
|
TAILQ_INSERT_TAIL(&entrylist, entry, next);
|
|
break;
|
|
case 'b':
|
|
entry = zmalloc(sizeof(struct sf_entry));
|
|
entry->op = OP_REMOVE_EXT;
|
|
TAILQ_INSERT_TAIL(&entrylist, entry, next);
|
|
break;
|
|
case 'd':
|
|
acl_type = ACL_TYPE_DEFAULT;
|
|
break;
|
|
case 'h':
|
|
h_flag = 1;
|
|
break;
|
|
case 'k':
|
|
entry = zmalloc(sizeof(struct sf_entry));
|
|
entry->op = OP_REMOVE_DEF;
|
|
TAILQ_INSERT_TAIL(&entrylist, entry, next);
|
|
break;
|
|
case 'm':
|
|
entry = zmalloc(sizeof(struct sf_entry));
|
|
entry->acl = acl_from_text(optarg);
|
|
if (entry->acl == NULL)
|
|
err(1, "%s", optarg);
|
|
entry->op = OP_MERGE_ACL;
|
|
TAILQ_INSERT_TAIL(&entrylist, entry, next);
|
|
break;
|
|
case 'n':
|
|
n_flag++;
|
|
break;
|
|
case 'x':
|
|
entry = zmalloc(sizeof(struct sf_entry));
|
|
entry->acl = acl_from_text(optarg);
|
|
if (entry->acl == NULL)
|
|
err(1, "%s", optarg);
|
|
entry->op = OP_REMOVE_ACL;
|
|
TAILQ_INSERT_TAIL(&entrylist, entry, next);
|
|
break;
|
|
default:
|
|
usage();
|
|
break;
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (n_flag == 0 && TAILQ_EMPTY(&entrylist))
|
|
usage();
|
|
|
|
/* take list of files from stdin */
|
|
if (argc == 0 || strcmp(argv[0], "-") == 0) {
|
|
if (have_stdin)
|
|
err(1, "cannot have more than one stdin");
|
|
have_stdin = 1;
|
|
bzero(&filename, sizeof(filename));
|
|
while (fgets(filename, (int)sizeof(filename), stdin)) {
|
|
/* remove the \n */
|
|
filename[strlen(filename) - 1] = '\0';
|
|
fn_dup = strdup(filename);
|
|
if (fn_dup == NULL)
|
|
err(1, "strdup() failed");
|
|
add_filename(fn_dup);
|
|
}
|
|
} else
|
|
for (i = 0; i < argc; i++)
|
|
add_filename(argv[i]);
|
|
|
|
/* cycle through each file */
|
|
TAILQ_FOREACH(file, &filelist, next) {
|
|
/* get our initial access and default ACL's */
|
|
acl = get_file_acls(file->filename);
|
|
if (acl == NULL)
|
|
continue;
|
|
if ((acl_type == ACL_TYPE_DEFAULT) && !acl[1]) {
|
|
warnx("Default ACL not valid for %s", file->filename);
|
|
continue;
|
|
}
|
|
|
|
local_error = 0;
|
|
|
|
/* cycle through each option */
|
|
TAILQ_FOREACH(entry, &entrylist, next) {
|
|
if (local_error)
|
|
continue;
|
|
|
|
switch(entry->op) {
|
|
case OP_MERGE_ACL:
|
|
local_error += merge_acl(entry->acl, acl);
|
|
need_mask = 1;
|
|
break;
|
|
case OP_REMOVE_EXT:
|
|
remove_ext(acl);
|
|
need_mask = 0;
|
|
break;
|
|
case OP_REMOVE_DEF:
|
|
if (acl_delete_def_file(file->filename) == -1) {
|
|
warn("acl_delete_def_file() failed");
|
|
local_error++;
|
|
}
|
|
local_error += remove_default(acl);
|
|
need_mask = 0;
|
|
break;
|
|
case OP_REMOVE_ACL:
|
|
local_error += remove_acl(entry->acl, acl);
|
|
need_mask = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* don't bother setting the ACL if something is broken */
|
|
if (local_error) {
|
|
carried_error++;
|
|
continue;
|
|
}
|
|
|
|
if (acl_type == ACL_TYPE_ACCESS)
|
|
final_acl = acl[ACCESS_ACL];
|
|
else
|
|
final_acl = acl[DEFAULT_ACL];
|
|
|
|
if (need_mask && (set_acl_mask(&final_acl) == -1)) {
|
|
warnx("failed to set ACL mask on %s", file->filename);
|
|
carried_error++;
|
|
} else if (h_flag) {
|
|
if (acl_set_link_np(file->filename, acl_type,
|
|
final_acl) == -1) {
|
|
carried_error++;
|
|
warn("acl_set_link_np() failed for %s",
|
|
file->filename);
|
|
}
|
|
} else {
|
|
if (acl_set_file(file->filename, acl_type,
|
|
final_acl) == -1) {
|
|
carried_error++;
|
|
warn("acl_set_file() failed for %s",
|
|
file->filename);
|
|
}
|
|
}
|
|
|
|
acl_free(acl[ACCESS_ACL]);
|
|
acl_free(acl[DEFAULT_ACL]);
|
|
free(acl);
|
|
}
|
|
|
|
return (carried_error);
|
|
}
|