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/* SCTP kernel Implementation
* Copyright (c) 2003 Hewlett-Packard Development Company, L.P
* (C) Copyright IBM Corp. 2004
*
* This file has test cases to test the recvfrom () call for 1-1 style sockets
*
* TEST1: Bad socket descriptor
* TEST2: Invalid socket
* TEST3: Invalid message pointer
* TEST4: On a listening socket
* TEST5: Reading on a socket that received SHUTDOWN
* TEST6: Reading the pending message on socket that received SHUTDOWN
* TEST7: No more message and association is shutdown
*
* 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
*
*/
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h> /* for sockaddr_in */
#include <arpa/inet.h>
#include <errno.h>
#include <netinet/sctp.h>
#include <sys/uio.h>
#include <linux/socket.h>
#include <sctputil.h>
char *TCID = __FILE__;
int TST_TOTAL = 7;
int TST_CNT = 0;
int
main(void)
{
int msg_count;
socklen_t len;
int sk,pf_class,lstn_sk,acpt_sk, flag;
char *message = "hello, world!\n";
char *message_rcv;
int count;
int fd, err_no = 0;
char filename[21];
struct sockaddr_in conn_addr,lstn_addr,svr_addr;
/* Rather than fflush() throughout the code, set stdout to
* be unbuffered.
*/
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);
message_rcv = malloc(512);
pf_class = PF_INET;
sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
lstn_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
conn_addr.sin_family = AF_INET;
conn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
conn_addr.sin_port = htons(SCTP_TESTPORT_1);
lstn_addr.sin_family = AF_INET;
lstn_addr.sin_addr.s_addr = SCTP_IP_LOOPBACK;
lstn_addr.sin_port = htons(SCTP_TESTPORT_1);
/*Binding the listen socket*/
test_bind(lstn_sk, (struct sockaddr *) &lstn_addr, sizeof(lstn_addr));
/*Listening the socket*/
test_listen(lstn_sk, 10);
len = sizeof(struct sockaddr_in);
test_connect(sk, (struct sockaddr *) &conn_addr, len);
acpt_sk = test_accept(lstn_sk, (struct sockaddr *)&svr_addr, &len);
msg_count = (strlen(message) + 1);
flag = MSG_NOSIGNAL;
/*Sending the message*/
count = test_send(sk, message, msg_count, flag);
/*recvfrom () TEST1: Bad socket descriptor, EBADF Expected error*/
count = recvfrom(-1, message_rcv, msg_count, flag,
(struct sockaddr *)&svr_addr, &len);
if (count != -1 || errno != EBADF)
tst_brkm(TBROK, tst_exit, "recvfrom with a bad socket "
"descriptor count:%d, errno:%d", count, errno);
tst_resm(TPASS, "recvfrom() with a bad socket descriptor - EBADF");
/*recvfrom () TEST2: 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));
count = recvfrom(fd, message_rcv, msg_count, flag,
(struct sockaddr *)&svr_addr, &len);
if (count == -1)
err_no = errno;
close(fd);
unlink(filename);
if (count != -1 || err_no != ENOTSOCK)
tst_brkm(TBROK, tst_exit, "recvfrom with invalid socket "
"count:%d, errno:%d", count, err_no);
tst_resm(TPASS, "recvfrom() with invalid socket - ENOTSOCK");
/*recvfrom () TEST3: Invalid message pointer EFAULT, Expected error*/
count = recvfrom(acpt_sk, (char *)-1, msg_count, flag,
(struct sockaddr *)&svr_addr, &len);
if (count != -1 || errno != EFAULT)
tst_brkm(TBROK, tst_exit, "recvfrom with invalid message "
"pointer count:%d, errno:%d", count, errno);
tst_resm(TPASS, "recvfrom() with invalid message ptr - EFAULT");
/*TEST4: recvfrom on listening socket,ENOTCONN Expected error*/
count = recvfrom(lstn_sk, message_rcv, msg_count, flag,
(struct sockaddr *)&svr_addr, &len);
if (count != -1 || errno != ENOTCONN)
tst_brkm(TBROK, tst_exit, "recvfrom on listening socket "
"count:%d, errno:%d", count, errno);
tst_resm(TPASS, "recvfrom() on listening socket - ENOTCONN");
count = test_send(acpt_sk, message, msg_count, flag);
test_shutdown(sk, SHUT_WR);
/*recvfrom () TEST5:reading on a socket that received SHUTDOWN*/
count = recvfrom(acpt_sk, message_rcv, msg_count, flag,
(struct sockaddr *)&svr_addr, &len);
if (count < 0)
tst_brkm(TBROK, tst_exit, "recvfrom on a socket that has "
"received shutdown count:%d, errno:%d", count, errno);
tst_resm(TPASS, "recvfrom() on a socket that has received shutdown - "
"EOF");
/*recvfrom () TEST6:reading the pending message on socket that sent
SHUTDOWN*/
count = recvfrom(sk, message_rcv, msg_count, flag,
(struct sockaddr *)&svr_addr, &len);
if (count < 0)
tst_brkm(TBROK, tst_exit, "recvfrom on a socket with pending "
"message that has sent shutdown count:%d, errno:%d",
count, errno);
tst_resm(TPASS, "recvfrom() on a socket with pending message that has "
"sent shutdown - SUCCESS");
/*recvfrom () TEST7: No more message and association is shutdown,
ENOTCONN Expected error*/
count = recvfrom(sk, message_rcv, msg_count, flag,
(struct sockaddr *)&svr_addr, &len);
if (count != -1 || errno != ENOTCONN)
tst_brkm(TBROK, tst_exit, "recvfrom on a socket with no "
"pending messages and has sent shutdown count:%d, "
"errno:%d", count, errno);
tst_resm(TPASS, "recvfrom() on a socket with no pending messages and "
" has sent shutdown - ENOTCONN");
close(sk);
close(lstn_sk);
close(acpt_sk);
return 0;
}
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