/* SCTP kernel Implementation * (C) Copyright IBM Corp. 2002, 2003 * 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 * * 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 */ /* This is a kernel test to verify the one-to-many style sctp_connectx() * in blocking and non-blocking modes. */ #include #include #include #include #include #include #include #include #include #include #include #include char *TCID = __FILE__; int TST_TOTAL = 9; int TST_CNT = 0; #define NUMADDR 6 #define SCTP_IP_LOOPBACK_I(I) htonl(0x7f000001 + I) #define NIPQUAD(addr) \ ((unsigned char *)&addr)[0], \ ((unsigned char *)&addr)[1], \ ((unsigned char *)&addr)[2], \ ((unsigned char *)&addr)[3] int main(int argc, char *argv[]) { int svr_sk, clt_sk1, clt_sk2, peeloff_sk; sctp_assoc_t associd, svr_associd1, svr_associd2, clt_associd1, clt_associd2; struct iovec iov; struct msghdr inmessage; int error, i; struct sctp_assoc_change *sac; char *big_buffer; int flags; struct sockaddr_in svr_loop[NUMADDR]; struct sockaddr_in svr_try[NUMADDR]; struct sockaddr_in clt_loop1[NUMADDR]; struct sockaddr_in clt_loop2[NUMADDR]; struct sockaddr_in clt_loop3[NUMADDR]; sockaddr_storage_t svr_test[NUMADDR], clt_test1[NUMADDR], clt_test2[NUMADDR]; /* Rather than fflush() throughout the code, set stdout to * be unbuffered. */ setvbuf(stdout, NULL, _IONBF, 0); for (i = 0; i < NUMADDR; i++) { /* Initialize the server and client addresses. */ svr_loop[i].sin_family = AF_INET; svr_loop[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i); svr_loop[i].sin_port = htons(SCTP_TESTPORT_1); svr_test[i].v4.sin_family = AF_INET; svr_test[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i); svr_test[i].v4.sin_port = htons(SCTP_TESTPORT_1); svr_try[i].sin_family = AF_INET; if (i < (NUMADDR-1)) { svr_try[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i); } else { /* Make last address invalid. */ svr_try[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x400); } svr_try[i].sin_port = htons(SCTP_TESTPORT_1); clt_loop1[i].sin_family = AF_INET; clt_loop1[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x100); clt_loop1[i].sin_port = htons(SCTP_TESTPORT_2); clt_test1[i].v4.sin_family = AF_INET; clt_test1[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x100); clt_test1[i].v4.sin_port = htons(SCTP_TESTPORT_2); clt_loop2[i].sin_family = AF_INET; clt_loop2[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x200); clt_loop2[i].sin_port = htons(SCTP_TESTPORT_2+1); clt_test2[i].v4.sin_family = AF_INET; clt_test2[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x200); clt_test2[i].v4.sin_port = htons(SCTP_TESTPORT_2+1); clt_loop3[i].sin_family = AF_INET; clt_loop3[i].sin_addr.s_addr = SCTP_IP_LOOPBACK_I(i + 0x300); clt_loop3[i].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, (struct sockaddr *)&svr_loop[0], sizeof(svr_loop[0])); test_bindx_add(svr_sk, (struct sockaddr *)&svr_loop[1], NUMADDR-1); /* 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, (struct sockaddr *)&clt_loop1[0], sizeof(clt_loop1)); test_bindx_add(clt_sk1, (struct sockaddr *)&clt_loop1[1], NUMADDR-1); clt_sk2 = test_socket(AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP); test_bind(clt_sk2, (struct sockaddr *)&clt_loop2[0], sizeof(clt_loop2)); test_bindx_add(clt_sk2, (struct sockaddr *)&clt_loop2[1], NUMADDR-1); /* 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, tst_exit, "fcntl F_GETFL: %s", strerror(errno)); if (fcntl(clt_sk1, F_SETFL, flags | O_NONBLOCK) < 0) tst_brkm(TBROK, tst_exit, "fcntl F_SETFL: %s", strerror(errno)); /* Do a non-blocking connectx from clt_sk1 to svr_sk */ error = sctp_connectx(clt_sk1, (struct sockaddr *)svr_try, NUMADDR, &associd); /* Non-blocking connectx should return immediately with EINPROGRESS. */ if ((error != -1) || (EINPROGRESS != errno)) tst_brkm(TBROK, tst_exit, "non-blocking connectx error: %d" "errno:%d", error, errno); tst_resm(TPASS, "non-blocking connectx"); /* Doing a connectx on a socket to create an association that is * is already established should return EISCONN. */ error = sctp_connectx(clt_sk1, (struct sockaddr *)svr_try, NUMADDR, NULL); if ((error != -1) || (EISCONN != errno)) tst_brkm(TBROK, tst_exit, "connectx on a socket to create an " "assoc that is already established error:%d errno:%d", error, errno); tst_resm(TPASS, "connectx 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; if (associd) { if (associd != clt_associd1) tst_brkm(TBROK, tst_exit, "Association id mismatch: " "connectx returned %d, notification returned:%d", associd, clt_associd1); tst_resm(TPASS, "Association id match between sctp_connectx()" " and notification."); } /* 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 connectx from clt_sk2 to svr_sk. * Blocking connectx should block until the association is established * and return success. */ test_connectx(clt_sk2, (struct sockaddr *)svr_try, NUMADDR); /* 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 connectx"); peeloff_sk = test_sctp_peeloff(svr_sk, svr_associd1); /* Doing a connectx on a peeled off socket should fail. */ error = sctp_connectx(peeloff_sk, (struct sockaddr *)clt_loop3, NUMADDR, NULL); if ((error != -1) || (EISCONN != errno)) tst_brkm(TBROK, tst_exit, "connectx on a peeled off socket " "error:%d, errno:%d", error, errno); tst_resm(TPASS, "connectx on a peeled off socket"); /* Trying to create an association on a socket that matches an * existing peeled-off association should fail. */ error = sctp_connectx(svr_sk, (struct sockaddr *)clt_loop1, NUMADDR, NULL); if ((error != -1) || (EADDRNOTAVAIL != errno)) tst_brkm(TBROK, tst_exit, "connectx to create an assoc that " "matches a peeled off assoc error:%d errno:%d", error, errno); tst_resm(TPASS, "connectx to create an assoc that matches a peeled off " "assoc"); test_peer_addr(peeloff_sk, svr_associd1, clt_test1, NUMADDR); tst_resm(TPASS, "server association 1 peers ok"); test_peer_addr(svr_sk, svr_associd2, clt_test2, NUMADDR); tst_resm(TPASS, "server association 2 peers ok"); test_peer_addr(clt_sk1, clt_associd1, svr_test, NUMADDR); tst_resm(TPASS, "client association 1 peers ok"); test_peer_addr(clt_sk2, clt_associd2, svr_test, NUMADDR); tst_resm(TPASS, "client association 2 peers ok"); close(svr_sk); close(clt_sk1); close(clt_sk2); close(peeloff_sk); /* Indicate successful completion. */ return 0; }