1 /*
2  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #include "gmid.h"
18 #include "log.h"
19 
20 #if defined(__OpenBSD__)
21 
22 #include <unistd.h>
23 
24 void
25 sandbox_main_process(void)
26 {
27 	if (pledge("stdio rpath inet dns sendfd proc", NULL) == -1)
28 		fatal("pledge");
29 }
30 
31 void
32 sandbox_server_process(void)
33 {
34 	struct vhost	*h;
35 	struct location	*l;
36 
37 	TAILQ_FOREACH(h, &hosts, vhosts) {
38 		TAILQ_FOREACH(l, &h->locations, locations) {
39 			if (*l->dir == '\0')
40 				continue;
41 
42 			if (unveil(l->dir, "rw") == -1)
43 				fatal("unveil %s for domain %s",
44 				    l->dir,
45 				    h->domain);
46 		}
47 	}
48 
49 	if (pledge("stdio recvfd rpath unix inet dns", NULL) == -1)
50 		fatal("pledge");
51 }
52 
53 void
54 sandbox_logger_process(void)
55 {
56 	if (pledge("stdio recvfd", NULL) == -1)
57 		fatal("pledge");
58 }
59 
60 #else
61 
62 #warning "No sandbox method known for this OS"
63 
64 void
65 sandbox_server_process(void)
66 {
67 	return;
68 }
69 
70 void
71 sandbox_logger_process(void)
72 {
73 	return;
74 }
75 
76 #endif