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authorColin Watson <cjwatson@debian.org>2016-02-29 12:15:15 +0000
committerColin Watson <cjwatson@debian.org>2016-03-08 11:51:22 +0000
commit46961f5704f8e86cea3e99253faad55aef4d8f35 (patch)
tree0dd97fa4fb649a62b4639fe2674380872b1f3e98 /platform-pledge.c
parentc753fe267efb1b027424fa8706cf0385fc3d14c1 (diff)
parent85e40e87a75fb80a0bf893ac05a417d6c353537d (diff)
New upstream release (7.2).
Diffstat (limited to 'platform-pledge.c')
-rw-r--r--platform-pledge.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/platform-pledge.c b/platform-pledge.c
new file mode 100644
index 000000000..4a6ec15e1
--- /dev/null
+++ b/platform-pledge.c
@@ -0,0 +1,71 @@
1/*
2 * Copyright (c) 2015 Joyent, Inc
3 * Author: Alex Wilson <alex.wilson@joyent.com>
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 "includes.h"
19
20#include <sys/types.h>
21
22#include <stdarg.h>
23#include <unistd.h>
24
25#include "platform.h"
26
27#include "openbsd-compat/openbsd-compat.h"
28
29/*
30 * Drop any fine-grained privileges that are not needed for post-startup
31 * operation of ssh-agent
32 *
33 * Should be as close as possible to pledge("stdio cpath unix id proc exec", ...)
34 */
35void
36platform_pledge_agent(void)
37{
38#ifdef USE_SOLARIS_PRIVS
39 /*
40 * Note: Solaris priv dropping is closer to tame() than pledge(), but
41 * we will use what we have.
42 */
43 solaris_drop_privs_root_pinfo_net();
44#endif
45}
46
47/*
48 * Drop any fine-grained privileges that are not needed for post-startup
49 * operation of sftp-server
50 */
51void
52platform_pledge_sftp_server(void)
53{
54#ifdef USE_SOLARIS_PRIVS
55 solaris_drop_privs_pinfo_net_fork_exec();
56#endif
57}
58
59/*
60 * Drop any fine-grained privileges that are not needed for the post-startup
61 * operation of the SSH client mux
62 *
63 * Should be as close as possible to pledge("stdio proc tty", ...)
64 */
65void
66platform_pledge_mux(void)
67{
68#ifdef USE_SOLARIS_PRIVS
69 solaris_drop_privs_root_pinfo_net_exec();
70#endif
71}