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 "telescope.h"
18 
19 #ifdef __OpenBSD__
20 
21 # include <limits.h>
22 # include <stdlib.h>
23 # include <string.h>
24 # include <unistd.h>
25 
26 void
27 sandbox_net_process(void)
28 {
29 	if (pledge("stdio inet dns", NULL) == -1)
30 		err(1, "pledge");
31 }
32 
33 void
34 sandbox_ui_process(void)
35 {
36 	if (pledge("stdio tty recvfd", NULL) == -1)
37 		err(1, "pledge");
38 }
39 
40 void
41 sandbox_fs_process(void)
42 {
43 	char path[PATH_MAX];
44 
45 	if (unveil("/tmp", "rwc") == -1)
46 		err(1, "unveil");
47 
48 	strlcpy(path, getenv("HOME"), sizeof(path));
49 	strlcat(path, "/Downloads", sizeof(path));
50 	if (unveil(path, "r") == -1)
51 		err(1, "unveil");
52 
53 	strlcpy(path, getenv("HOME"), sizeof(path));
54 	strlcat(path, "/.telescope/", sizeof(path));
55 	if (unveil(path, "rwc") == -1)
56 		err(1, "unveil");
57 
58 	if (pledge("stdio rpath wpath cpath sendfd", NULL) == -1)
59 		err(1, "pledge");
60 }
61 
62 #else
63 
64 #warning "No sandbox for this OS"
65 
66 void
67 sandbox_net_process(void)
68 {
69 	return;
70 }
71 
72 void
73 sandbox_ui_process(void)
74 {
75 	return;
76 }
77 
78 void
79 sandbox_fs_process(void)
80 {
81 	return;
82 }
83 
84 #endif