diff options
Diffstat (limited to 'sandbox-tame.c')
-rw-r--r-- | sandbox-tame.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sandbox-tame.c b/sandbox-tame.c new file mode 100644 index 000000000..f94065f03 --- /dev/null +++ b/sandbox-tame.c | |||
@@ -0,0 +1,71 @@ | |||
1 | /* $OpenBSD: sandbox-tame.c,v 1.1 2015/10/02 01:39:52 deraadt Exp $ */ | ||
2 | /* | ||
3 | * Copyright (c) 2015 Theo de Raadt <deraadt@mindrot.org> | ||
4 | * | ||
5 | * Permission to use, copy, modify, and distribute this software for any | ||
6 | * purpose with or without fee is hereby granted, provided that the above | ||
7 | * copyright notice and this permission notice appear in all copies. | ||
8 | * | ||
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
16 | */ | ||
17 | |||
18 | #include <sys/types.h> | ||
19 | #include <sys/ioctl.h> | ||
20 | #include <sys/syscall.h> | ||
21 | #include <sys/socket.h> | ||
22 | #include <sys/wait.h> | ||
23 | |||
24 | #include <errno.h> | ||
25 | #include <limits.h> | ||
26 | #include <stdarg.h> | ||
27 | #include <stdio.h> | ||
28 | #include <stdlib.h> | ||
29 | #include <unistd.h> | ||
30 | #include <pwd.h> | ||
31 | |||
32 | #include "log.h" | ||
33 | #include "ssh-sandbox.h" | ||
34 | #include "xmalloc.h" | ||
35 | |||
36 | struct ssh_sandbox { | ||
37 | pid_t child_pid; | ||
38 | }; | ||
39 | |||
40 | struct ssh_sandbox * | ||
41 | ssh_sandbox_init(void) | ||
42 | { | ||
43 | struct ssh_sandbox *box; | ||
44 | |||
45 | debug3("%s: preparing tame sandbox", __func__); | ||
46 | box = xcalloc(1, sizeof(*box)); | ||
47 | box->child_pid = 0; | ||
48 | |||
49 | return box; | ||
50 | } | ||
51 | |||
52 | void | ||
53 | ssh_sandbox_child(struct ssh_sandbox *box) | ||
54 | { | ||
55 | if (tame("stdio", NULL) == -1) | ||
56 | fatal("%s: tame()", __func__); | ||
57 | } | ||
58 | |||
59 | void | ||
60 | ssh_sandbox_parent_finish(struct ssh_sandbox *box) | ||
61 | { | ||
62 | free(box); | ||
63 | debug3("%s: finished", __func__); | ||
64 | } | ||
65 | |||
66 | void | ||
67 | ssh_sandbox_parent_preauth(struct ssh_sandbox *box, pid_t child_pid) | ||
68 | { | ||
69 | box->child_pid = child_pid; | ||
70 | /* Nothing to do here */ | ||
71 | } | ||