1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* Copyright (c) 2017 Alexander Bluhm <bluhm@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>
#include <netinet/tcp.h>
#include <netinet/udp.h>
#include <netinet/icmp6.h>
#include <err.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
int
main(void)
{
char promises[1024];
size_t i, l;
int s, r;
int optval;
socklen_t optlen;
if (strcmp(PROMISES, "0") != 0) {
l = strlcpy(promises, "stdio ", sizeof(promises));
for (i = 0;
PROMISES[i] != '\0'&& l < sizeof(promises);
i++, l++) {
promises[l] = PROMISES[i] == '+' ?
' ' : PROMISES[i];
}
if (l >= sizeof(promises))
l = sizeof(promises) - 1;
promises[l] = '\0';
warnx("pledge(%s)", promises);
if (pledge(promises, NULL) == -1)
err(1, "pledge");
}
if ((s = socket(DOMAIN, TYPE, PROTOCOL)) == -1)
err(1, "socket");
optlen = sizeof(int);
if (strcmp(CALL, "set") == 0) {
optval = OPTVAL;
r = setsockopt(s, LEVEL, OPTNAME, &optval, optlen);
} else if (strcmp(CALL, "get") == 0) {
optval = 0;
r = getsockopt(s, LEVEL, OPTNAME, &optval, &optlen);
} else {
errx(1, "call: %s", CALL);
}
if (r == 0) {
if (ERRNO != 0)
errx(1, "success");
} else if (r == -1) {
if (errno != ERRNO)
err(1, "error");
} else {
errx(1, "return: %d", r);
}
if (optval != OPTVAL)
errx(1, "optval: %d", optval);
return (0);
}
|