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/* SCTP kernel Implementation
* (C) Copyright IBM Corp. 2004
* Copyright (c) 1999-2001 Motorola, Inc.
*
* The SCTP implementation is free software;
* you can redistribute it and/or modify it under the terms of
* the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* The SCTP implementation is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
* ************************
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU CC; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Please send any bug reports or fixes you make to the
* email address(es):
* lksctp developers <lksctp-developers@lists.sourceforge.net>
*
* Or submit a bug report through the following website:
* http://www.sf.net/projects/lksctp
*
* Any bugs reported given to us we will try to fix... any fixes shared will
* be incorporated into the next SCTP release.
*
* Written or modified by:
* Sridhar Samudrala <sri@us.ibm.com>
*/
/* This is a kernel test to verify getsockname() and getpeername() interfaces
* for single-homed one-to-one style sockets.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <netinet/in.h>
#include <errno.h>
#include <netinet/sctp.h>
#include <sctputil.h>
char *TCID = __FILE__;
int TST_TOTAL = 13;
int TST_CNT = 0;
#define MAX_CLIENTS 10
int
main(void)
{
int clt_sk, svr_sk, accept_sk;
sockaddr_storage_t svr_loop, accept_loop;
sockaddr_storage_t svr_local_addr, svr_peer_addr;
sockaddr_storage_t clt_local_addr, clt_peer_addr;
socklen_t len;
int error;
int pf_class;
int fd, err_no = 0;
char filename[21];
/* Rather than fflush() throughout the code, set stdout to
* be unbuffered.
*/
setvbuf(stdout, NULL, _IONBF, 0);
/* Initialize the server and client addresses. */
#if TEST_V6
pf_class = PF_INET6;
svr_loop.v6.sin6_family = AF_INET6;
svr_loop.v6.sin6_addr = (struct in6_addr)SCTP_IN6ADDR_ANY_INIT;
svr_loop.v6.sin6_port = htons(SCTP_TESTPORT_1);
#else
pf_class = PF_INET;
svr_loop.v4.sin_family = AF_INET;
svr_loop.v4.sin_addr.s_addr = INADDR_ANY;
svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
#endif
/* Create and bind the listening server socket. */
svr_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));
memset(&svr_local_addr, 0, sizeof(svr_local_addr));
len = sizeof(svr_local_addr);
/* Verify that getsockname() on an unconnected socket works fine. */
error = getsockname(svr_sk, (struct sockaddr *)&svr_local_addr, &len);
if (0 != error)
tst_brkm(TBROK, tst_exit, "getsockname: %s", strerror(errno));
tst_resm(TPASS, "getsockname on an unconnected socket");
memset(&svr_peer_addr, 0, sizeof(svr_peer_addr));
len = sizeof(svr_peer_addr);
/* Verify that getpeername() on an unconnected socket fails. */
error = getpeername(svr_sk, (struct sockaddr *)&svr_peer_addr, &len);
if ((-1 != error) || (ENOTCONN != errno))
tst_brkm(TBROK, tst_exit, "getpeername on an unconnected "
"socket error:%d, errno:%d", error, errno);
tst_resm(TPASS, "getpeername on an unconnected socket");
/* Mark svr_sk as being able to accept new associations. */
test_listen(svr_sk, 5);
/* Create the client socket. */
clt_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
/* Do a blocking connect from clt_sk to svr_sk */
#if TEST_V6
svr_loop.v6.sin6_addr = in6addr_loopback;
#else
svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
#endif
test_connect(clt_sk, &svr_loop.sa, sizeof(svr_loop));
memset(&clt_local_addr, 0, sizeof(clt_local_addr));
len = sizeof(clt_local_addr);
/* Get the client's local address. */
error = getsockname(clt_sk, (struct sockaddr *)&clt_local_addr, &len);
if (0 != error)
tst_brkm(TBROK, tst_exit, "getsockname on a connected client "
"socket: %s", strerror(errno));
tst_resm(TPASS, "getsockname on a connected client socket");
memset(&clt_peer_addr, 0, sizeof(clt_peer_addr));
len = sizeof(clt_peer_addr);
/* Get the client's peer address. */
error = getpeername(clt_sk, (struct sockaddr *)&clt_peer_addr, &len);
if (0 != error)
tst_brkm(TBROK, tst_exit, "getpeername on a connected client "
"socket: %s", strerror(errno));
tst_resm(TPASS, "getpeername on a connected client socket");
/* Extract the association on the listening socket as a new socket. */
len = sizeof(accept_loop);
accept_sk = test_accept(svr_sk, &accept_loop.sa, &len);
memset(&svr_local_addr, 0, sizeof(svr_local_addr));
len = sizeof(svr_local_addr);
/* Get the server's local address. */
error = getsockname(accept_sk, (struct sockaddr *)&svr_local_addr,
&len);
if (0 != error)
tst_brkm(TBROK, tst_exit, "getsockname on a connected server "
"socket: %s", strerror(errno));
tst_resm(TPASS, "getsockname on a connected server socket");
memset(&svr_peer_addr, 0, sizeof(svr_peer_addr));
len = sizeof(svr_peer_addr);
/* Get the server's peer address. */
error = getpeername(accept_sk, (struct sockaddr *)&svr_peer_addr,
&len);
if (0 != error)
tst_brkm(TBROK, tst_exit, "getpeername on a connected server "
"socket: %s", strerror(errno));
tst_resm(TPASS, "getpeername on a connected server socket");
if (svr_local_addr.v4.sin_port != clt_peer_addr.v4.sin_port)
tst_brkm(TBROK, tst_exit, "Server's local port(%d) doesn't "
"match Client's peer port(%d)\n",
svr_local_addr.v4.sin_port, clt_peer_addr.v4.sin_port);
if (svr_peer_addr.v4.sin_port != clt_local_addr.v4.sin_port)
tst_brkm(TBROK, tst_exit, "Server's peer port(%d) doesn't "
"match Client's local port(%d)\n",
svr_peer_addr.v4.sin_port, clt_local_addr.v4.sin_port);
#if TEST_V6
if (memcmp(&svr_local_addr, &clt_peer_addr, len) != 0)
tst_brkm(TBROK, tst_exit, "Server's local address and client's "
"peer addresses do not match\n");
if (memcmp(&svr_peer_addr, &clt_local_addr, len) != 0)
tst_brkm(TBROK, tst_exit, "Server's peer address and client's "
"local addresses do not match\n");
#else
if (svr_local_addr.v4.sin_addr.s_addr !=
clt_peer_addr.v4.sin_addr.s_addr)
tst_brkm(TBROK, tst_exit, "Server's local address and client's "
"peer addresses do not match\n");
if (svr_peer_addr.v4.sin_addr.s_addr !=
clt_local_addr.v4.sin_addr.s_addr)
tst_brkm(TBROK, tst_exit, "Server's peer address and client's "
"local addresses do not match\n");
#endif
tst_resm(TPASS, "getsockname/getpeername server/client match");
memset(&clt_local_addr, 0, sizeof(clt_local_addr));
len = sizeof(clt_local_addr);
/*getsockname(): Bad socket descriptor, EBADF expected error*/
error = getsockname(-1, (struct sockaddr *)&clt_local_addr, &len);
if (error != -1 || errno != EBADF)
tst_brkm(TBROK, tst_exit, "getsockname on a bad socket "
"descriptor. error:%d errno:%d", error, errno);
tst_resm(TPASS, "getsockname on a bad socket descriptor - EBADF");
/*getsockname(): Invalid socket, ENOTSOCK expected error*/
strcpy(filename, "/tmp/sctptest.XXXXXX");
fd = mkstemp(filename);
if (fd == -1)
tst_brkm(TBROK, tst_exit, "Failed to mkstemp %s: %s",
filename, strerror(errno));
error = getsockname(fd, (struct sockaddr *)&clt_local_addr, &len);
if (error == -1)
err_no = errno;
close(fd);
unlink(filename);
if (error != -1 || err_no != ENOTSOCK)
tst_brkm(TBROK, tst_exit, "getsockname on an invalid socket "
"error:%d errno:%d", error, err_no);
tst_resm(TPASS, "getsockname on an invalid socket - ENOTSOCK");
/*getsockname(): Invalid structure, EFAULT expected error*/
error = getsockname(clt_sk, (struct sockaddr *)-1, &len);
if (error != -1 || errno != EFAULT)
tst_brkm(TBROK, tst_exit, "getsockname with invalid buffer "
"error:%d errno:%d", error, errno);
tst_resm(TPASS, "getsockname with invalid buffer - EFAULT");
memset(&clt_peer_addr, 0, sizeof(clt_peer_addr));
len = sizeof(clt_peer_addr);
/*getpeername(): Bad socket descriptor, EBADF expected error*/
error = getpeername(-1, (struct sockaddr *)&clt_local_addr, &len);
if (error != -1 || errno != EBADF)
tst_brkm(TBROK, tst_exit, "getpeername on a bad socket "
"descriptor. error:%d errno:%d", error, errno);
tst_resm(TPASS, "getpeername on a bad socket descriptor - EBADF");
/*getpeername(): Invalid socket, ENOTSOCK expected error*/
strcpy(filename, "/tmp/sctptest.XXXXXX");
fd = mkstemp(filename);
if (fd == -1)
tst_brkm(TBROK, tst_exit, "Failed to mkstemp %s: %s",
filename, strerror(errno));
error = getpeername(fd, (struct sockaddr *)&clt_local_addr, &len);
if (error == -1)
err_no = errno;
close(fd);
unlink(filename);
if (error != -1 || err_no != ENOTSOCK)
tst_brkm(TBROK, tst_exit, "getpeername on an invalid socket "
"error:%d errno:%d", error, err_no);
tst_resm(TPASS, "getpeername on an invalid socket - ENOTSOCK");
/*getpeername(): Invalid structure, EFAULT expected error*/
error = getpeername(clt_sk, (struct sockaddr *)-1, &len);
if (error != -1 || errno != EFAULT)
tst_brkm(TBROK, tst_exit, "getpeername with invalid buffer "
"error:%d errno:%d", error, errno);
tst_resm(TPASS, "getpeername with invalid buffer - EFAULT");
close(clt_sk);
close(svr_sk);
close(accept_sk);
/* Indicate successful completion. */
return 0;
}
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