/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2022 Alexander V. Chernikov
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/errno.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <poll.h>
#include <atf-c.h>
static void
check_recvmsg(const char *test_name)
{
int ss, cs, rc;
struct sockaddr *sa;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
struct sockaddr_un saun;
int *sizes, sizes_count;
int one = 1;
if (!strcmp(test_name, "udp")) {
ss = socket(PF_INET, SOCK_DGRAM, 0);
ATF_CHECK(ss >= 0);
rc = setsockopt(ss, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one));
ATF_CHECK_EQ(0, rc);
bzero(&sin, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_len = sizeof(sin);
sin.sin_port = htons(6666);
sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
sa = (struct sockaddr *)&sin;
rc = bind(ss, sa, sa->sa_len);
ATF_CHECK_EQ(0, rc);
cs = socket(PF_INET, SOCK_DGRAM, 0);
ATF_CHECK(cs >= 0);
int inet_sizes[] = {80, 255, 256, 1024, 4096, 9000};
sizes_count = sizeof(inet_sizes) / sizeof(int);
sizes = malloc(sizeof(inet_sizes));
memcpy(sizes, inet_sizes, sizeof(inet_sizes));
} else if (!strcmp(test_name, "udp6")) {
ss = socket(PF_INET6, SOCK_DGRAM, 0);
ATF_CHECK(ss >= 0);
rc = setsockopt(ss, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one));
ATF_CHECK_EQ(0, rc);
bzero(&sin6, sizeof(sin6));
sin6.sin6_family = AF_INET6;
sin6.sin6_len = sizeof(sin6);
sin6.sin6_port = htons(6666);
const struct in6_addr in6loopback = IN6ADDR_LOOPBACK_INIT;
sin6.sin6_addr = in6loopback;
sa = (struct sockaddr *)&sin6;
rc = bind(ss, sa, sa->sa_len);
ATF_CHECK_EQ(0, rc);
cs = socket(PF_INET6, SOCK_DGRAM, 0);
ATF_CHECK(cs >= 0);
int inet_sizes[] = {80, 255, 256, 1024, 4096, 9000};
sizes_count = sizeof(inet_sizes) / sizeof(int);
sizes = malloc(sizeof(inet_sizes));
memcpy(sizes, inet_sizes, sizeof(inet_sizes));
} else if (!strcmp(test_name, "unix")) {
const char *PATH = "/tmp/test_check_recvmsg_socket";
ss = socket(PF_UNIX, SOCK_DGRAM, 0);
ATF_CHECK(ss >= 0);
rc = setsockopt(ss, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one));
ATF_CHECK_EQ(0, rc);
bzero(&saun, sizeof(saun));
saun.sun_family = AF_UNIX;
strcpy(saun.sun_path, PATH);
saun.sun_len = sizeof(saun);
sa = (struct sockaddr *)&saun;
unlink(PATH);
rc = bind(ss, sa, sa->sa_len);
ATF_CHECK_EQ(0, rc);
cs = socket(PF_UNIX, SOCK_DGRAM, 0);
ATF_CHECK(cs >= 0);
int unix_sizes[] = {80, 255, 256, 1024, 2000};
sizes_count = sizeof(unix_sizes) / sizeof(int);
sizes = malloc(sizeof(unix_sizes));
memcpy(sizes, unix_sizes, sizeof(unix_sizes));
} else
return;
char buf[4096];
memset(buf, 0xFF, sizeof(buf));
for (int i = 0; i < sizes_count; i++) {
int sz = sizes[i];
char tbuf[1];
rc = sendto(cs, buf, sz, 0, sa, sa->sa_len);
ATF_REQUIRE_EQ(rc, sz);
rc = recv(ss, NULL, 0, MSG_PEEK | MSG_TRUNC);
ATF_CHECK_EQ(rc, sz);
rc = recv(ss, tbuf, sizeof(tbuf), MSG_PEEK | MSG_TRUNC);
ATF_CHECK_EQ(rc, sz);
rc = recv(ss, tbuf, sizeof(tbuf), MSG_TRUNC);
ATF_CHECK_EQ(rc, sz);
}
close(ss);
close(cs);
}
ATF_TC_WITHOUT_HEAD(socket_afinet_udp_recv_trunc);
ATF_TC_BODY(socket_afinet_udp_recv_trunc, tc)
{
check_recvmsg("udp");
}
ATF_TC_WITHOUT_HEAD(socket_afinet6_udp_recv_trunc);
ATF_TC_BODY(socket_afinet6_udp_recv_trunc, tc)
{
check_recvmsg("udp6");
}
ATF_TC_WITHOUT_HEAD(socket_afunix_recv_trunc);
ATF_TC_BODY(socket_afunix_recv_trunc, tc)
{
check_recvmsg("unix");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, socket_afinet_udp_recv_trunc);
ATF_TP_ADD_TC(tp, socket_afinet6_udp_recv_trunc);
ATF_TP_ADD_TC(tp, socket_afunix_recv_trunc);
return atf_no_error();
}
