blob: 901ca1d78165f02e786c58afa3e42d1034f6b436 (
plain)
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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* (C) 2019 David Carlier <devnexen@gmail.com>
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "sandbox.h"
#include <botan/build.h>
#if defined(BOTAN_TARGET_OS_HAS_PLEDGE)
#include <unistd.h>
#elif defined(BOTAN_TARGET_OS_HAS_CAP_ENTER)
#include <sys/capsicum.h>
#include <unistd.h>
#endif
namespace Botan_CLI {
Sandbox::Sandbox()
{
#if defined(BOTAN_TARGET_OS_HAS_PLEDGE)
m_name = "pledge";
#elif defined(BOTAN_TARGET_OS_HAS_CAP_ENTER)
m_name = "capsicum";
#else
m_name = "<none>";
#endif
}
bool Sandbox::init()
{
#if defined(BOTAN_TARGET_OS_HAS_PLEDGE)
const static char *opts = "stdio rpath inet error";
return (::pledge(opts, nullptr) == 0);
#elif defined(BOTAN_TARGET_OS_HAS_CAP_ENTER)
cap_rights_t wt, rd;
if (::cap_rights_init(&wt, CAP_READ, CAP_WRITE) == nullptr)
{
return false;
}
if (::cap_rights_init(&rd, CAP_FCNTL, CAP_EVENT, CAP_READ) == nullptr)
{
return false;
}
if (::cap_rights_limit(STDOUT_FILENO, &wt) == -1)
{
return false;
}
if (::cap_rights_limit(STDERR_FILENO, &wt) == -1)
{
return false;
}
if (::cap_rights_limit(STDIN_FILENO, &rd) == -1)
{
return false;
}
return (::cap_enter() == 0);
#else
return true;
#endif
}
Sandbox::~Sandbox()
{
}
}
|
