| /* SCTP kernel reference Implementation |
| * (C) Copyright IBM Corp. 2002, 2003 |
| * Copyright (c) 1999-2001 Motorola, Inc. |
| * |
| * The SCTP reference 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 reference 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 the one-to-many style connect() in blocking |
| * and non-blocking modes. |
| */ |
| |
| #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 = 5; |
| int TST_CNT = 0; |
| |
| int |
| main(int argc, char *argv[]) |
| { |
| int svr_sk, clt_sk1, clt_sk2, peeloff_sk; |
| sctp_assoc_t svr_associd1, svr_associd2, clt_associd1, clt_associd2; |
| sockaddr_storage_t svr_loop, clt_loop1, clt_loop2, clt_loop3; |
| struct iovec iov; |
| struct msghdr inmessage; |
| int error; |
| struct sctp_assoc_change *sac; |
| char *big_buffer; |
| int flags; |
| |
| /* Rather than fflush() throughout the code, set stdout to |
| * be unbuffered. |
| */ |
| setvbuf(stdout, NULL, _IONBF, 0); |
| |
| /* Initialize the server and client addresses. */ |
| svr_loop.v4.sin_family = AF_INET; |
| svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK; |
| svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1); |
| clt_loop1.v4.sin_family = AF_INET; |
| clt_loop1.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK; |
| clt_loop1.v4.sin_port = htons(SCTP_TESTPORT_2); |
| clt_loop2.v4.sin_family = AF_INET; |
| clt_loop2.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK; |
| clt_loop2.v4.sin_port = htons(SCTP_TESTPORT_2+1); |
| clt_loop3.v4.sin_family = AF_INET; |
| clt_loop3.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK; |
| clt_loop3.v4.sin_port = htons(SCTP_TESTPORT_2+2); |
| |
| /* Create and bind the server socket. */ |
| svr_sk = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP); |
| test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop)); |
| |
| /* Mark server socket as being able to accept new associations. */ |
| test_listen(svr_sk, 1); |
| |
| /* Create and bind the client sockets. */ |
| clt_sk1 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP); |
| test_bind(clt_sk1, &clt_loop1.sa, sizeof(clt_loop1)); |
| clt_sk2 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP); |
| test_bind(clt_sk2, &clt_loop2.sa, sizeof(clt_loop2)); |
| |
| /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */ |
| test_enable_assoc_change(svr_sk); |
| test_enable_assoc_change(clt_sk1); |
| test_enable_assoc_change(clt_sk2); |
| |
| /* Set clt_sk1 as non-blocking. */ |
| flags = fcntl(clt_sk1, F_GETFL, 0); |
| if (flags < 0) |
| tst_brkm(TBROK, NULL, "fcntl F_GETFL: %s", strerror(errno)); |
| if (fcntl(clt_sk1, F_SETFL, flags | O_NONBLOCK) < 0) |
| tst_brkm(TBROK, NULL, "fcntl F_SETFL: %s", strerror(errno)); |
| |
| /* Do a non-blocking connect from clt_sk1 to svr_sk */ |
| error = connect(clt_sk1, &svr_loop.sa, sizeof(svr_loop)); |
| /* Non-blocking connect should return immediately with EINPROGRESS. */ |
| if ((error != -1) || (EINPROGRESS != errno)) |
| tst_brkm(TBROK, NULL, "non-blocking connect error: %d" |
| "errno:%d", error, errno); |
| |
| tst_resm(TPASS, "non-blocking connect"); |
| |
| /* Doing a connect on a socket to create an association that is |
| * is already established should return EISCONN. |
| */ |
| error = connect(clt_sk1, &svr_loop.sa, sizeof(svr_loop)); |
| if ((error != -1) || (EISCONN != errno)) |
| tst_brkm(TBROK, NULL, "connect on a socket to create an " |
| "assoc that is already established error:%d errno:%d", |
| error, errno); |
| |
| tst_resm(TPASS, "connect on a socket to create an assoc that is " |
| "already established"); |
| |
| /* Initialize inmessage for all receives. */ |
| memset(&inmessage, 0, sizeof(inmessage)); |
| big_buffer = test_malloc(REALLY_BIG); |
| iov.iov_base = big_buffer; |
| iov.iov_len = REALLY_BIG; |
| inmessage.msg_iov = &iov; |
| inmessage.msg_iovlen = 1; |
| inmessage.msg_control = NULL; |
| |
| /* Get COMM_UP on clt_sk1 */ |
| error = test_recvmsg(clt_sk1, &inmessage, MSG_WAITALL); |
| test_check_msg_notification(&inmessage, error, |
| sizeof(struct sctp_assoc_change), |
| SCTP_ASSOC_CHANGE, SCTP_COMM_UP); |
| sac = (struct sctp_assoc_change *)iov.iov_base; |
| clt_associd1 = sac->sac_assoc_id; |
| |
| /* Get COMM_UP on svr_sk */ |
| error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL); |
| test_check_msg_notification(&inmessage, error, |
| sizeof(struct sctp_assoc_change), |
| SCTP_ASSOC_CHANGE, SCTP_COMM_UP); |
| sac = (struct sctp_assoc_change *)iov.iov_base; |
| svr_associd1 = sac->sac_assoc_id; |
| |
| /* Do a blocking connect from clt_sk2 to svr_sk. |
| * Blocking connect should block until the association is established |
| * and return success. |
| */ |
| test_connect(clt_sk2, &svr_loop.sa, sizeof(svr_loop)); |
| |
| /* Get COMM_UP on clt_sk2 */ |
| error = test_recvmsg(clt_sk2, &inmessage, MSG_WAITALL); |
| test_check_msg_notification(&inmessage, error, |
| sizeof(struct sctp_assoc_change), |
| SCTP_ASSOC_CHANGE, SCTP_COMM_UP); |
| sac = (struct sctp_assoc_change *)iov.iov_base; |
| clt_associd2 = sac->sac_assoc_id; |
| |
| /* Get COMM_UP on svr_sk */ |
| error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL); |
| test_check_msg_notification(&inmessage, error, |
| sizeof(struct sctp_assoc_change), |
| SCTP_ASSOC_CHANGE, SCTP_COMM_UP); |
| sac = (struct sctp_assoc_change *)iov.iov_base; |
| svr_associd2 = sac->sac_assoc_id; |
| |
| tst_resm(TPASS, "blocking connect"); |
| |
| peeloff_sk = test_sctp_peeloff(svr_sk, svr_associd1); |
| |
| /* Doing a connect on a peeled off socket should fail. */ |
| error = connect(peeloff_sk, &clt_loop3.sa, sizeof(clt_loop3)); |
| if ((error != -1) || (EISCONN != errno)) |
| tst_brkm(TBROK, NULL, "connect on a peeled off socket " |
| "error:%d, errno:%d", error, errno); |
| |
| tst_resm(TPASS, "connect on a peeled off socket"); |
| |
| /* Trying to create an association on a socket that matches an |
| * existing peeled-off association should fail. |
| */ |
| error = connect(svr_sk, &clt_loop1.sa, sizeof(clt_loop1)); |
| if ((error != -1) || (EADDRNOTAVAIL != errno)) |
| tst_brkm(TBROK, NULL, "connect to create an assoc that " |
| "matches a peeled off assoc error:%d errno:%d", |
| error, errno); |
| |
| tst_resm(TPASS, "connect to create an assoc that matches a peeled off " |
| "assoc"); |
| |
| close(svr_sk); |
| close(clt_sk1); |
| close(clt_sk2); |
| close(peeloff_sk); |
| |
| /* Indicate successful completion. */ |
| tst_exit(); |
| } |