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main: add option to disable xattrs

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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2019-07-16 12:39:45 +02:00
parent 35949df0bb
commit d1c21f2572
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GPG Key ID: E4730F97F60286ED
1 changed files with 21 additions and 0 deletions
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21
main.c
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@ -243,6 +243,7 @@ struct ovl_data
int fsync; int fsync;
int fast_ino_check; int fast_ino_check;
int writeback; int writeback;
int disable_xattrs;
}; };
static double static double
@ -276,6 +277,8 @@ static const struct fuse_opt ovl_opts[] = {
offsetof (struct ovl_data, fast_ino_check), 0}, offsetof (struct ovl_data, fast_ino_check), 0},
{"writeback=%d", {"writeback=%d",
offsetof (struct ovl_data, writeback), 1}, offsetof (struct ovl_data, writeback), 1},
{"noxattrs=%d",
offsetof (struct ovl_data, disable_xattrs), 1},
FUSE_OPT_END FUSE_OPT_END
}; };
@ -1901,6 +1904,12 @@ ovl_listxattr (fuse_req_t req, fuse_ino_t ino, size_t size)
if (ovl_debug (req)) if (ovl_debug (req))
fprintf (stderr, "ovl_listxattr(ino=%" PRIu64 ", size=%zu)\n", ino, size); fprintf (stderr, "ovl_listxattr(ino=%" PRIu64 ", size=%zu)\n", ino, size);
if (lo->disable_xattrs)
{
fuse_reply_err (req, ENOSYS);
return;
}
node = do_lookup_file (lo, ino, NULL); node = do_lookup_file (lo, ino, NULL);
if (node == NULL) if (node == NULL)
{ {
@ -1949,6 +1958,12 @@ ovl_getxattr (fuse_req_t req, fuse_ino_t ino, const char *name, size_t size)
if (ovl_debug (req)) if (ovl_debug (req))
fprintf (stderr, "ovl_getxattr(ino=%" PRIu64 ", name=%s, size=%zu)\n", ino, name, size); fprintf (stderr, "ovl_getxattr(ino=%" PRIu64 ", name=%s, size=%zu)\n", ino, name, size);
if (lo->disable_xattrs)
{
fuse_reply_err (req, ENOSYS);
return;
}
node = do_lookup_file (lo, ino, NULL); node = do_lookup_file (lo, ino, NULL);
if (node == NULL) if (node == NULL)
{ {
@ -2566,6 +2581,12 @@ ovl_setxattr (fuse_req_t req, fuse_ino_t ino, const char *name,
fprintf (stderr, "ovl_setxattr(ino=%" PRIu64 "s, name=%s, value=%s, size=%zu, flags=%d)\n", ino, name, fprintf (stderr, "ovl_setxattr(ino=%" PRIu64 "s, name=%s, value=%s, size=%zu, flags=%d)\n", ino, name,
value, size, flags); value, size, flags);
if (lo->disable_xattrs)
{
fuse_reply_err (req, ENOSYS);
return;
}
if (has_prefix (name, PRIVILEGED_XATTR_PREFIX) || has_prefix (name, XATTR_PREFIX)) if (has_prefix (name, PRIVILEGED_XATTR_PREFIX) || has_prefix (name, XATTR_PREFIX))
{ {
fuse_reply_err (req, EPERM); fuse_reply_err (req, EPERM);