1 /* safe path traversal functions for 'patch' */ 2 3 /* Copyright (C) 2015 Free Software Foundation, Inc. 4 5 Written by Tim Waugh <twaugh@redhat.com> and 6 Andreas Gruenbacher <agruenba@redhat.com>. 7 8 This program is free software: you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation, either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 20 21 #include <stdbool.h> 22 23 extern bool unsafe; 24 25 int safe_stat (const char *pathname, struct stat *buf); 26 int safe_lstat (const char *pathname, struct stat *buf); 27 int safe_open (const char *pathname, int flags, mode_t mode); 28 int safe_rename (const char *oldpath, const char *newpath); 29 int safe_mkdir (const char *pathname, mode_t mode); 30 int safe_rmdir (const char *pathname); 31 int safe_unlink (const char *pathname); 32 int safe_symlink (const char *target, const char *linkpath); 33 int safe_chmod (const char *pathname, mode_t mode); 34 int safe_lchown (const char *pathname, uid_t owner, gid_t group); 35 int safe_lutimens (const char *pathname, struct timespec const times[2]); 36 ssize_t safe_readlink(const char *pathname, char *buf, size_t bufsiz); 37 int safe_access(const char *pathname, int mode); 38