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/*
* Check decoding of sockaddr related arguments of recvfrom syscall.
*
* Copyright (c) 2016-2021 Dmitry V. Levin <ldv@strace.io>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#define TEST_SYSCALL_NAME recvfrom
#define TEST_SYSCALL_PREPARE send_un()
#define PREFIX_S_ARGS , recv_buf, 1, 0
#define PREFIX_S_STR ", \"A\", 1, 0"
#define PREFIX_F_ARGS , 0, 1, 0
#define PREFIX_F_STR ", NULL, 1, 0"
static void send_un(void);
static char recv_buf[1];
#include "sockname.c"
static int cfd;
static void
send_un(void)
{
if (send(cfd, "A", 1, 0) != 1)
perror_msg_and_skip("send");
}
int
main(void)
{
cfd = socket(AF_UNIX, SOCK_STREAM, 0);
int lfd = socket(AF_UNIX, SOCK_STREAM, 0);
if (cfd < 0 || lfd < 0)
perror_msg_and_skip("socket");
struct sockaddr_un un = {
.sun_family = AF_UNIX,
.sun_path = TEST_SOCKET ".send"
};
(void) unlink(un.sun_path);
if (bind(cfd, (const void *) &un, sizeof(un)))
perror_msg_and_skip("bind");
(void) unlink(un.sun_path);
un.sun_path[sizeof(TEST_SOCKET) - 1] = '\0';
(void) unlink(un.sun_path);
if (bind(lfd, (const void *) &un, sizeof(un)))
perror_msg_and_skip("bind");
if (listen(lfd, 1))
perror_msg_and_skip("listen");
if (connect(cfd, (const void *) &un, sizeof(un)))
perror_msg_and_skip("connect");
int afd = accept(lfd, 0, 0);
if (afd < 0)
perror_msg_and_skip("accept");
(void) unlink(un.sun_path);
test_sockname_syscall(afd);
puts("+++ exited with 0 +++");
return 0;
}
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