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/*
* fopen() wrapper.
*
* Copyright 1999-2008 Gentoo Foundation
* Licensed under the GPL-2
*/
#define WRAPPER_ARGS_PROTO const char *pathname, const char *mode
#define WRAPPER_ARGS pathname, mode
#define WRAPPER_SAFE() FUNCTION_SANDBOX_SAFE_OPEN_CHAR(pathname, mode)
#define WRAPPER_RET_TYPE FILE *
#define WRAPPER_RET_DEFAULT NULL
#ifndef SB_FOPEN_PRE_CHECK
#define SB_FOPEN_PRE_CHECK
static inline bool sb_fopen_pre_check(WRAPPER_ARGS_PROTO)
{
if ((NULL != mode) && (mode[0] == 'r')) {
save_errno();
/* If we're trying to read, fail normally if file does not stat */
struct stat st;
if (-1 == stat(pathname, &st)) {
if (is_env_on(ENV_SANDBOX_DEBUG))
SB_EINFO("EARLY FAIL", " %s(%s): %s\n",
STRING_NAME, pathname, strerror(errno));
return false;
}
restore_errno();
}
return true;
}
#endif
#define WRAPPER_PRE_CHECKS() sb_fopen_pre_check(WRAPPER_ARGS)
#include "__wrapper_simple.c"
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