strace/tests/xattr.c
Eugene Syromyatnikov dc3dfc68b4 Update copyright headers
Headers updated automatically with

    maint/update_copyright_headers.sh -c
2017-09-05 10:09:10 +02:00

140 lines
5.0 KiB
C

/*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2015-2017 The strace developers.
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 "tests.h"
#ifdef HAVE_SYS_XATTR_H
# include <stdio.h>
# include <sys/xattr.h>
# ifndef XATTR_SIZE_MAX
# define XATTR_SIZE_MAX 65536
# endif
int
main(void)
{
static const char name[] = "strace.test";
static const char c_value[] = "foo\0bar";
static const char q_value[] = "foo\\0bar";
const char *const z_value = tail_memdup(c_value, sizeof(c_value));
char *const efault = tail_alloc(1) + 1;
const char *const value = tail_memdup(c_value, sizeof(c_value) - 1);
char *const big = tail_alloc(XATTR_SIZE_MAX + 1);
long rc;
const char *errstr;
rc = fsetxattr(-1, 0, 0, 0, XATTR_CREATE);
printf("fsetxattr(-1, NULL, NULL, 0, XATTR_CREATE) = %s\n",
sprintrc(rc));
rc = fsetxattr(-1, 0, z_value, 0, XATTR_CREATE);
printf("fsetxattr(-1, NULL, \"\", 0, XATTR_CREATE) = %s\n",
sprintrc(rc));
rc = fsetxattr(-1, name, big, XATTR_SIZE_MAX + 1, XATTR_CREATE);
printf("fsetxattr(-1, \"%s\", %p, %u, XATTR_CREATE) = %s\n",
name, big, XATTR_SIZE_MAX + 1, sprintrc(rc));
rc = fsetxattr(-1, name, value, sizeof(c_value), XATTR_CREATE);
printf("fsetxattr(-1, \"%s\", %p, %u, XATTR_CREATE) = %s\n",
name, value, (unsigned) sizeof(c_value), sprintrc(rc));
rc = fsetxattr(-1, name, z_value, sizeof(c_value), XATTR_REPLACE);
printf("fsetxattr(-1, \"%s\", \"%s\", %u, XATTR_REPLACE) = %s\n",
name, q_value, (unsigned) sizeof(c_value), sprintrc(rc));
rc = fsetxattr(-1, name, value, sizeof(c_value) - 1, XATTR_CREATE|XATTR_REPLACE);
printf("fsetxattr(-1, \"%s\", \"%s\", %u, XATTR_CREATE|XATTR_REPLACE)"
" = %s\n",
name, q_value, (unsigned) sizeof(c_value) - 1, sprintrc(rc));
rc = setxattr(".", name, z_value, sizeof(c_value), XATTR_CREATE);
printf("setxattr(\".\", \"%s\", \"%s\", %u, XATTR_CREATE) = %s\n",
name, q_value, (unsigned) sizeof(c_value), sprintrc(rc));
rc = lsetxattr(".", name, value, sizeof(c_value) - 1, XATTR_CREATE);
printf("lsetxattr(\".\", \"%s\", \"%s\", %u, XATTR_CREATE) = %s\n",
name, q_value, (unsigned) sizeof(c_value) - 1, sprintrc(rc));
rc = fgetxattr(-1, name, efault, 4);
printf("fgetxattr(-1, \"%s\", %p, 4) = %s\n",
name, efault, sprintrc(rc));
rc = getxattr(".", name, big, XATTR_SIZE_MAX + 1);
printf("getxattr(\".\", \"%s\", %p, %u) = %s\n",
name, big, XATTR_SIZE_MAX + 1, sprintrc(rc));
rc = lgetxattr(".", name, big + 1, XATTR_SIZE_MAX);
printf("lgetxattr(\".\", \"%s\", %p, %u) = %s\n",
name, big + 1, XATTR_SIZE_MAX, sprintrc(rc));
rc = flistxattr(-1, efault, 4);
printf("flistxattr(-1, %p, 4) = %s\n", efault, sprintrc(rc));
rc = llistxattr("", efault + 1, 4);
printf("llistxattr(\"\", %p, 4) = %s\n", efault + 1, sprintrc(rc));
rc = listxattr(".", big, 0);
printf("listxattr(\".\", %p, 0) = %s\n", big, sprintrc(rc));
rc = listxattr(".", big, XATTR_SIZE_MAX + 1);
errstr = sprintrc(rc);
printf("listxattr(\".\", ");
if (rc < 0)
printf("%p", big);
else {
const int ellipsis = rc > DEFAULT_STRLEN;
print_quoted_memory(big, ellipsis ? DEFAULT_STRLEN : rc);
if (ellipsis)
fputs("...", stdout);
}
printf(", %u) = %s\n", XATTR_SIZE_MAX + 1, errstr);
rc = fremovexattr(-1, name);
printf("fremovexattr(-1, \"%s\") = %s\n", name, sprintrc(rc));
rc = removexattr(".", name);
printf("removexattr(\".\", \"%s\") = %s\n", name, sprintrc(rc));
rc = lremovexattr(".", name);
printf("lremovexattr(\".\", \"%s\") = %s\n", name, sprintrc(rc));
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("HAVE_SYS_XATTR_H")
#endif