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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2023 The FreeBSD Foundation
*
* This software was developed by Mark Johnston under sponsorship from
* the FreeBSD Foundation.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <errno.h>
#include <pthread.h>
#include <stdlib.h>
#include <unistd.h>
#include <atf-c.h>
struct close_test_params {
struct sockaddr_storage sa;
size_t msglen;
int count;
int af, type, proto;
};
static void *
close_test_client(void *arg)
{
struct close_test_params *p = arg;
char *buf;
size_t buflen;
buflen = p->msglen + 1;
buf = malloc(buflen);
ATF_REQUIRE(buf != NULL);
while (p->count-- > 0) {
ssize_t n;
int error, s;
s = socket(p->af, p->type, p->proto);
ATF_REQUIRE_MSG(s >= 0, "socket: %s", strerror(errno));
error = connect(s, (struct sockaddr *)&p->sa, p->sa.ss_len);
ATF_REQUIRE_MSG(error == 0, "connect: %s", strerror(errno));
n = recv(s, buf, buflen, MSG_WAITALL);
ATF_REQUIRE_MSG(n == (ssize_t)p->msglen,
"recv: %s", strerror(errno));
ATF_REQUIRE(close(s) == 0);
}
return (NULL);
}
static void
close_test(struct sockaddr *sa, unsigned int count, int af, int type, int proto)
{
struct close_test_params p;
const char *msg;
pthread_t t;
size_t msglen;
int error, s;
s = socket(af, type, proto);
ATF_REQUIRE_MSG(s >= 0, "socket %s", strerror(errno));
ATF_REQUIRE_MSG(bind(s, sa, sa->sa_len) == 0,
"bind: %s", strerror(errno));
ATF_REQUIRE_MSG(listen(s, 1) == 0,
"listen: %s", strerror(errno));
ATF_REQUIRE_MSG(getsockname(s, sa, &(socklen_t){ sa->sa_len }) == 0,
"getsockname: %s", strerror(errno));
msg = "hello bonjour";
msglen = strlen(msg) + 1;
p = (struct close_test_params){
.count = count,
.msglen = msglen,
.af = af,
.type = type,
.proto = proto,
};
memcpy(&p.sa, sa, sa->sa_len);
error = pthread_create(&t, NULL, close_test_client, &p);
ATF_REQUIRE_MSG(error == 0, "pthread_create: %s", strerror(error));
while (count-- > 0) {
ssize_t n;
int cs;
cs = accept(s, NULL, NULL);
ATF_REQUIRE_MSG(cs >= 0, "accept: %s", strerror(errno));
n = send(cs, msg, msglen, 0);
ATF_REQUIRE_MSG(n == (ssize_t)msglen,
"send: %s", strerror(errno));
ATF_REQUIRE(close(cs) == 0);
}
ATF_REQUIRE(close(s) == 0);
ATF_REQUIRE(pthread_join(t, NULL) == 0);
}
/*
* Make sure that closing a connection kicks a MSG_WAITALL recv() out of the
* syscall. See bugzilla PR 212716.
*/
ATF_TC(close_tcp);
ATF_TC_HEAD(close_tcp, tc)
{
atf_tc_set_md_var(tc, "timeout", "10");
}
ATF_TC_BODY(close_tcp, tc)
{
struct sockaddr_in sin;
sin = (struct sockaddr_in){
.sin_len = sizeof(sin),
.sin_family = AF_INET,
.sin_addr = { htonl(INADDR_LOOPBACK) },
.sin_port = htons(0),
};
close_test((struct sockaddr *)&sin, 1000, AF_INET, SOCK_STREAM,
IPPROTO_TCP);
}
/* A variant of the above test for UNIX domain stream sockets. */
ATF_TC(close_unix_stream);
ATF_TC_HEAD(close_unix_stream, tc)
{
atf_tc_set_md_var(tc, "timeout", "10");
}
ATF_TC_BODY(close_unix_stream, tc)
{
struct sockaddr_un sun;
sun = (struct sockaddr_un){
.sun_len = sizeof(sun),
.sun_family = AF_UNIX,
.sun_path = "socket_msg_waitall_unix",
};
close_test((struct sockaddr *)&sun, 1000, AF_UNIX, SOCK_STREAM, 0);
ATF_REQUIRE_MSG(unlink(sun.sun_path) == 0,
"unlink: %s", strerror(errno));
}
/* A variant of the above test for UNIX domain seqpacket sockets. */
ATF_TC(close_unix_seqpacket);
ATF_TC_HEAD(close_unix_seqpacket, tc)
{
atf_tc_set_md_var(tc, "timeout", "10");
}
ATF_TC_BODY(close_unix_seqpacket, tc)
{
struct sockaddr_un sun;
sun = (struct sockaddr_un){
.sun_len = sizeof(sun),
.sun_family = AF_UNIX,
.sun_path = "socket_msg_waitall_unix",
};
close_test((struct sockaddr *)&sun, 1000, AF_UNIX, SOCK_SEQPACKET, 0);
ATF_REQUIRE_MSG(unlink(sun.sun_path) == 0,
"unlink: %s", strerror(errno));
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, close_tcp);
ATF_TP_ADD_TC(tp, close_unix_stream);
ATF_TP_ADD_TC(tp, close_unix_seqpacket);
return (atf_no_error());
}
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