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document-portal: Fail fd validation if we can't open directory

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We need to check if the open succeeded.
This commit is contained in:
Alexander Larsson
2016-11-11 10:56:25 +01:00
parent f48e863f4b
commit 786f87fb9c
1 changed files with 2 additions and 1 deletions
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3
document-portal/xdp-main.c
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@@ -387,7 +387,8 @@ validate_parent_dir (const char *path,
name = g_path_get_basename (path);
dir_fd = open (dirname, O_CLOEXEC | O_PATH);
if (fstat (dir_fd, real_parent_st_buf) < 0 ||
if (dir_fd < 0 ||
fstat (dir_fd, real_parent_st_buf) < 0 ||
fstatat (dir_fd, name, &real_st_buf, AT_SYMLINK_NOFOLLOW) < 0 ||
st_buf->st_dev != real_st_buf.st_dev ||
st_buf->st_ino != real_st_buf.st_ino)