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/*
* Copyright (C) 2014-2016 netblue30 (netblue30@yahoo.com)
*
* This file is part of firejail project
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef EUID_COMMON_H
#define EUID_COMMON_H
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <assert.h>
#define EUID_ASSERT() { \
if (getuid() != 0) \
assert(geteuid() != 0); \
}
extern uid_t firejail_uid;
static inline void EUID_ROOT(void) {
if (seteuid(0) == -1)
fprintf(stderr, "Error: cannot switch euid to root\n");
}
static inline void EUID_USER(void) {
if (seteuid(firejail_uid) == -1)
fprintf(stderr, "Error: cannot switch euid to user\n");
}
static inline void EUID_PRINT(void) {
printf("debug: uid %d, euid %d\n", getuid(), geteuid());
}
static inline void EUID_INIT(void) {
firejail_uid = getuid();
}
#endif
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