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/*
* Copyright (c) 2023 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <stdio.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#ifndef IP_PROTOCOL
# define IP_PROTOCOL 52
#endif
#define INJSTR " (INJECTED)"
int
main(void)
{
static const struct strval32 opts[] = {
{ ARG_XLAT_KNOWN(0xff, "IPPROTO_RAW") },
{ ARG_XLAT_UNKNOWN(0xfe, "IPPROTO_???") },
};
TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, protocol);
TAIL_ALLOC_OBJECT_CONST_ARR(unsigned int, big_protocol, 2);
const char *errstr;
socklen_t len;
int rc;
for (unsigned int i = 0; i < ARRAY_SIZE(opts); ++i) {
*protocol = opts[i].val;
/* optlen < 0, EINVAL */
len = -1;
rc = getsockopt(0, SOL_IP, IP_PROTOCOL, protocol, &len);
printf("getsockopt(0, " XLAT_FMT ", " XLAT_FMT ", %p, [-1]) = %s"
INJSTR "\n",
XLAT_ARGS(SOL_IP), XLAT_ARGS(IP_PROTOCOL),
protocol, sprintrc(rc));
/* optlen = 0, EINVAL */
len = 0;
rc = getsockopt(0, SOL_IP, IP_PROTOCOL, protocol, &len);
printf("getsockopt(0, " XLAT_FMT ", " XLAT_FMT ", %p, [0]) = %s"
INJSTR "\n",
XLAT_ARGS(SOL_IP), XLAT_ARGS(IP_PROTOCOL),
protocol, sprintrc(rc));
/* optlen < sizeof(int), EINVAL */
len = sizeof(*protocol) - 1;
rc = getsockopt(0, SOL_IP, IP_PROTOCOL, protocol, &len);
errstr = sprintrc(rc);
printf("getsockopt(0, " XLAT_FMT ", " XLAT_FMT ", ",
XLAT_ARGS(SOL_IP), XLAT_ARGS(IP_PROTOCOL));
print_quoted_hex(protocol, len);
printf(", [3]) = %s" INJSTR "\n", errstr);
/* optval EFAULT */
len = sizeof(*protocol);
rc = getsockopt(0, SOL_IP, IP_PROTOCOL, protocol + 1, &len);
printf("getsockopt(0, " XLAT_FMT ", " XLAT_FMT ", %p, [4]) = %s"
INJSTR "\n",
XLAT_ARGS(SOL_IP), XLAT_ARGS(IP_PROTOCOL),
protocol + 1, sprintrc(rc));
/* classic */
len = sizeof(*protocol);
rc = getsockopt(0, SOL_IP, IP_PROTOCOL, protocol, &len);
errstr = sprintrc(rc);
printf("getsockopt(0, " XLAT_FMT ", " XLAT_FMT ", [%s], [4])"
" = %s" INJSTR "\n",
XLAT_ARGS(SOL_IP), XLAT_ARGS(IP_PROTOCOL),
opts[i].str, errstr);
/* optval > sizeof(int), EFAULT */
len = sizeof(*protocol) + 1;
rc = getsockopt(0, SOL_IP, IP_PROTOCOL, protocol, &len);
printf("getsockopt(0, " XLAT_FMT ", " XLAT_FMT ", %p, [5]) = %s"
INJSTR "\n",
XLAT_ARGS(SOL_IP), XLAT_ARGS(IP_PROTOCOL),
protocol, sprintrc(rc));
/* optlen > sizeof(int), EINVAL */
len = sizeof(*protocol) * 2;
big_protocol[0] = opts[i].val;
big_protocol[1] = opts[i].val;
rc = getsockopt(0, SOL_IP, IP_PROTOCOL, big_protocol, &len);
errstr = sprintrc(rc);
printf("getsockopt(0, " XLAT_FMT ", " XLAT_FMT ", ",
XLAT_ARGS(SOL_IP), XLAT_ARGS(IP_PROTOCOL));
print_quoted_hex(big_protocol, len);
printf(", [8]) = %s" INJSTR "\n", errstr);
}
puts("+++ exited with 0 +++");
return 0;
}
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