mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-19 16:10:01 +00:00
99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
|
/* Test that lstat does not follow symbolic links.
|
||
|
|
Copyright (C) 2024 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Lesser General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library 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
|
||
|
|
Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with the GNU C Library; if not, see
|
||
|
|
<https://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#include <string.h>
|
||
|
|
#include <support/check.h>
|
||
|
|
#include <support/fuse.h>
|
||
|
|
#include <support/support.h>
|
||
|
|
#include <sys/stat.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
static void
|
||
|
|
fuse_thread (struct support_fuse *f, void *closure)
|
||
|
|
{
|
||
|
|
struct fuse_in_header *inh;
|
||
|
|
while ((inh = support_fuse_next (f)) != NULL)
|
||
|
|
{
|
||
|
|
if (support_fuse_handle_mountpoint (f)
|
||
|
|
|| (inh->nodeid == 1 && support_fuse_handle_directory (f)))
|
||
|
|
continue;
|
||
|
|
switch (inh->opcode)
|
||
|
|
{
|
||
|
|
case FUSE_LOOKUP:
|
||
|
|
{
|
||
|
|
TEST_COMPARE (inh->nodeid, 1);
|
||
|
|
TEST_COMPARE_STRING (support_fuse_cast (LOOKUP, inh), "symlink");
|
||
|
|
struct fuse_entry_out *out = support_fuse_prepare_entry (f, 2);
|
||
|
|
out->attr.mode = S_IFLNK | 0777;
|
||
|
|
out->attr.size = strlen ("target");
|
||
|
|
support_fuse_reply_prepared (f);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case FUSE_GETATTR:
|
||
|
|
{
|
||
|
|
TEST_COMPARE (inh->nodeid, 2);
|
||
|
|
struct fuse_attr_out *out = support_fuse_prepare_attr (f);
|
||
|
|
out->attr.mode = S_IFLNK | 0777;
|
||
|
|
out->attr.size = strlen ("target");
|
||
|
|
support_fuse_reply_prepared (f);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case FUSE_READLINK:
|
||
|
|
/* The lstat operation must not attempt to look at the
|
||
|
|
symbolic link target. */
|
||
|
|
FAIL ("attempt to obtain target of symblic link for node %llu",
|
||
|
|
(unsigned long long int) inh->nodeid);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
FAIL ("unexpected event %s", support_fuse_opcode (inh->opcode));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int
|
||
|
|
do_test (void)
|
||
|
|
{
|
||
|
|
support_fuse_init ();
|
||
|
|
struct support_fuse *f = support_fuse_mount (fuse_thread, NULL);
|
||
|
|
char *symlink_path = xasprintf ("%s/symlink", support_fuse_mountpoint (f));
|
||
|
|
|
||
|
|
{
|
||
|
|
struct stat st = { 0, };
|
||
|
|
TEST_COMPARE (lstat (symlink_path, &st), 0);
|
||
|
|
TEST_COMPARE (st.st_uid, getuid ());
|
||
|
|
TEST_COMPARE (st.st_gid, getgid ());
|
||
|
|
TEST_COMPARE (st.st_size, 6);
|
||
|
|
TEST_COMPARE (st.st_mode, S_IFLNK | 0777);
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
struct stat64 st = { 0, };
|
||
|
|
TEST_COMPARE (lstat64 (symlink_path, &st), 0);
|
||
|
|
TEST_COMPARE (st.st_uid, getuid ());
|
||
|
|
TEST_COMPARE (st.st_gid, getgid ());
|
||
|
|
TEST_COMPARE (st.st_size, 6);
|
||
|
|
TEST_COMPARE (st.st_mode, S_IFLNK | 0777);
|
||
|
|
}
|
||
|
|
|
||
|
|
free (symlink_path);
|
||
|
|
support_fuse_unmount (f);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#include <support/test-driver.c>
|