apparmor/tests/regression/subdomain/openat.c
Steve Beattie a39a3b0410 Add tests to openat to test what names apparmor sees when a rename
occurs between the open(dir) and openat(file) calls.
2007-03-14 19:53:10 +00:00

99 lines
2 KiB
C

/* $Id$ */
/*
* Copyright (C) 2002-2007 Novell/SUSE
*
* 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, version 2 of the
* License.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <getopt.h>
struct option long_options[] = {
{"delete", 0, 0, 'd'}, /* delete the directory after opening */
{"rename", 1, 0, 'r'}, /* rename the directory to -- */
{"help", 0, 0, 'h'},
};
static void usage (char * program)
{
fprintf(stderr, "usage: %s [--delete] dir file\n", program);
fprintf(stderr, "%s\n", "$Id$");
exit(1);
}
int main(int argc, char *argv[])
{
int fd = -1, dirfd = -1;
int c;
int do_delete = 0;
int do_rename = 0;
char *dir, *file, *newdir = NULL;
while ((c = getopt_long (argc, argv, "+hdr:", long_options, NULL)) != -1) {
switch (c) {
case 'd':
do_delete = 1;
break;
case 'r':
do_rename = 1;
newdir = optarg;
break;
case 'h':
/* fall through */
default:
usage(argv[0]);
break;
}
}
if (argc - optind != 2)
usage(argv[0]);
dir = argv[optind];
file = argv[optind + 1];
dirfd = open(dir, O_RDONLY | O_DIRECTORY);
if (dirfd == -1) {
fprintf(stderr, "FAIL: open %s failed - %s\n",
dir, strerror(errno));
return 1;
}
if (do_delete && rmdir(dir) == -1) {
fprintf(stderr, "FAIL: rmdir %s failed - %s\n",
dir, strerror(errno));
return 1;
} else if (do_rename && rename(dir, newdir) == -1) {
fprintf(stderr, "FAIL: rename %s, %s failed - %s\n",
dir, newdir, strerror(errno));
return 1;
}
fd = openat(dirfd, file, O_RDWR | O_CREAT, S_IWUSR | S_IRUSR);
if (fd == -1) {
fprintf(stderr, "FAIL: openat %s failed - %s\n",
file, strerror(errno));
close(dirfd);
return 1;
}
close(fd);
close(dirfd);
printf("PASS\n");
return 0;
}