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 "fs.h"
18 #include "telescope.h"
19 
20 #ifdef __OpenBSD__
21 
22 # include <limits.h>
23 # include <stdlib.h>
24 # include <string.h>
25 # include <unistd.h>
26 
27 void
28 sandbox_net_process(void)
29 {
30 	if (pledge("stdio inet dns", NULL) == -1)
31 		err(1, "pledge");
32 }
33 
34 void
35 sandbox_ui_process(void)
36 {
37 	if (pledge("stdio tty recvfd", NULL) == -1)
38 		err(1, "pledge");
39 }
40 
41 void
42 sandbox_fs_process(void)
43 {
44 	char path[PATH_MAX];
45 
46 	if (unveil("/tmp", "rwc") == -1)
47 		err(1, "unveil");
48 
49 	strlcpy(path, getenv("HOME"), sizeof(path));
50 	strlcat(path, "/Downloads", sizeof(path));
51 	if (unveil(path, "rwc") == -1)
52 		err(1, "unveil(%s)", path);
53 
54 	if (unveil(config_path_base, "rwc") == -1)
55 		err(1, "unveil(%s)", config_path_base);
56 
57 	if (unveil(data_path_base, "rwc") == -1)
58 		err(1, "unveil(%s)", data_path_base);
59 
60 	if (unveil(cache_path_base, "rwc") == -1)
61 		err(1, "unveil(%s)", cache_path_base);
62 
63 	if (pledge("stdio rpath wpath cpath sendfd", NULL) == -1)
64 		err(1, "pledge");
65 }
66 
67 #else
68 
69 #warning "No sandbox for this OS"
70 
71 void
72 sandbox_net_process(void)
73 {
74 	return;
75 }
76 
77 void
78 sandbox_ui_process(void)
79 {
80 	return;
81 }
82 
83 void
84 sandbox_fs_process(void)
85 {
86 	return;
87 }
88 
89 #endif