1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* libsandbox.h
*
* Defines related to libsandbox.
*
* Copyright 1999-2008 Gentoo Foundation
* Licensed under the GPL-2
*/
#ifndef __LIBSANDBOX_H__
#define __LIBSANDBOX_H__
/* glibc sometimes redefines this crap on us */
#undef strdup
/* Macros to check if a function should be executed */
#define _FUNCTION_SANDBOX_SAFE(test) \
(!is_sandbox_on() || (test))
#define FUNCTION_SANDBOX_SAFE_AT(_dirfd, _path, _flags) \
_FUNCTION_SANDBOX_SAFE(before_syscall(_dirfd, WRAPPER_NR, STRING_NAME, _path, _flags))
#define FUNCTION_SANDBOX_SAFE(_path) \
FUNCTION_SANDBOX_SAFE_AT(AT_FDCWD, _path, 0)
#define FUNCTION_SANDBOX_SAFE_ACCESS_AT(_dirfd, _path, _flags) \
_FUNCTION_SANDBOX_SAFE(before_syscall_access(_dirfd, WRAPPER_NR, STRING_NAME, _path, _flags))
#define FUNCTION_SANDBOX_SAFE_ACCESS(_path, _flags) \
FUNCTION_SANDBOX_SAFE_ACCESS_AT(AT_FDCWD, _path, _flags)
#define FUNCTION_SANDBOX_SAFE_OPEN_INT_AT(_dirfd, _path, _flags) \
_FUNCTION_SANDBOX_SAFE(before_syscall_open_int(_dirfd, WRAPPER_NR, STRING_NAME, _path, _flags))
#define FUNCTION_SANDBOX_SAFE_OPEN_INT(_path, _flags) \
FUNCTION_SANDBOX_SAFE_OPEN_INT_AT(AT_FDCWD, _path, _flags)
#define FUNCTION_SANDBOX_SAFE_OPEN_CHAR_AT(_dirfd, _path, _mode) \
_FUNCTION_SANDBOX_SAFE(before_syscall_open_char(_dirfd, WRAPPER_NR, STRING_NAME, _path, _mode))
#define FUNCTION_SANDBOX_SAFE_OPEN_CHAR(_path, _mode) \
FUNCTION_SANDBOX_SAFE_OPEN_CHAR_AT(AT_FDCWD, _path, _mode)
bool is_sandbox_on(void);
bool before_syscall(int, int, const char *, const char *, int);
bool before_syscall_access(int, int, const char *, const char *, int);
bool before_syscall_open_int(int, int, const char *, const char *, int);
bool before_syscall_open_char(int, int, const char *, const char *, const char *);
extern char sandbox_lib[SB_PATH_MAX];
extern volatile bool sandbox_on;
void sb_dump_backtrace(void);
/* glibc modified realpath() function */
char *erealpath(const char *, char *);
char *egetcwd(char *, size_t);
int canonicalize(const char *, char *);
#endif /* __LIBSANDBOX_H__ */
|