Squashed 'third_party/lksctp-tools/' content from commit 200eca7f1
Change-Id: I8f7575513f114b205178cac5c6b3706f3d725cb5
git-subtree-dir: third_party/lksctp-tools
git-subtree-split: 200eca7f1419b1ae53958b51e8551f7e7f6cd467
diff --git a/src/func_tests/test_peeloff.c b/src/func_tests/test_peeloff.c
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+++ b/src/func_tests/test_peeloff.c
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+/* SCTP kernel Implementation
+ * (C) Copyright IBM Corp. 2001, 2003
+ * Copyright (c) 1999-2000 Cisco, Inc.
+ * Copyright (c) 1999-2001 Motorola, Inc.
+ * Copyright (c) 2001 Intel Corp.
+ * Copyright (c) 2001 Nokia, 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 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 Functional test to verify the new SCTP interface sctp_peeloff()
+ * that can be used to branch off an association into a separate socket.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.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 = 6;
+int TST_CNT = 0;
+
+#define MAX_CLIENTS 10
+
+int
+main(int argc, char *argv[])
+{
+ int svr_sk, clt_sk[MAX_CLIENTS], peeloff_sk[MAX_CLIENTS];
+ sctp_assoc_t svr_associd[MAX_CLIENTS];
+ sockaddr_storage_t svr_loop, clt_loop[MAX_CLIENTS];
+ struct iovec iov;
+ struct msghdr inmessage;
+ struct msghdr outmessage;
+ char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
+ char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
+ struct cmsghdr *cmsg;
+ struct sctp_sndrcvinfo *sinfo;
+ struct iovec out_iov;
+ int error;
+ uint32_t ppid;
+ uint32_t stream;
+ struct sctp_assoc_change *sac;
+ char *big_buffer;
+ int i;
+ char *message = "hello, world!\n";
+ int pf_class;
+
+ /* Rather than fflush() throughout the code, set stdout to
+ * be unbuffered.
+ */
+ setvbuf(stdout, NULL, _IONBF, 0);
+
+#if TEST_V6
+ pf_class = PF_INET6;
+ svr_loop.v6.sin6_family = AF_INET6;
+ svr_loop.v6.sin6_addr = in6addr_loopback;
+ 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 = SCTP_IP_LOOPBACK;
+ svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
+#endif
+
+ /* Create and bind the server socket. */
+ svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+ test_bind(svr_sk, &svr_loop.sa, sizeof(svr_loop));
+
+ /* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
+ test_enable_assoc_change(svr_sk);
+
+ /* Mark server socket as being able to accept new associations. */
+ test_listen(svr_sk, 1);
+
+ /* Create and bind all the client sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ clt_sk[i] = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
+#if TEST_V6
+ clt_loop[i].v6.sin6_family = AF_INET6;
+ clt_loop[i].v6.sin6_addr = in6addr_loopback;
+ clt_loop[i].v6.sin6_port = htons(SCTP_TESTPORT_2 + i);
+#else
+ clt_loop[i].v4.sin_family = AF_INET;
+ clt_loop[i].v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
+ clt_loop[i].v4.sin_port = htons(SCTP_TESTPORT_2 + i);
+#endif
+ test_bind(clt_sk[i], &clt_loop[i].sa, sizeof(clt_loop[i]));
+
+ test_enable_assoc_change(clt_sk[i]);
+ }
+
+ /* Send the first message from all the clients to the server. This
+ * will create the associations.
+ */
+ outmessage.msg_name = &svr_loop;
+ outmessage.msg_namelen = sizeof(svr_loop);
+ outmessage.msg_iov = &out_iov;
+ outmessage.msg_iovlen = 1;
+ outmessage.msg_control = outcmsg;
+ outmessage.msg_controllen = sizeof(outcmsg);
+ outmessage.msg_flags = 0;
+ cmsg = CMSG_FIRSTHDR(&outmessage);
+ cmsg->cmsg_level = IPPROTO_SCTP;
+ cmsg->cmsg_type = SCTP_SNDRCV;
+ cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
+ outmessage.msg_controllen = cmsg->cmsg_len;
+ sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
+ memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
+ ppid = rand(); /* Choose an arbitrary value. */
+ stream = 1;
+ sinfo->sinfo_ppid = ppid;
+ sinfo->sinfo_stream = stream;
+ outmessage.msg_iov->iov_base = message;
+ outmessage.msg_iov->iov_len = strlen(message) + 1;
+ for (i = 0; i < MAX_CLIENTS; i++)
+ test_sendmsg(clt_sk[i], &outmessage, 0,
+ strlen(message)+1);
+
+ /* Initialize inmessage for all receives. */
+ big_buffer = test_malloc(REALLY_BIG);
+ memset(&inmessage, 0, sizeof(inmessage));
+ iov.iov_base = big_buffer;
+ iov.iov_len = REALLY_BIG;
+ inmessage.msg_iov = &iov;
+ inmessage.msg_iovlen = 1;
+ inmessage.msg_control = incmsg;
+
+ /* Get the communication up message on all client sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
+#if 0
+ sac = (struct sctp_assoc_change *)iov.iov_base;
+ clt_associd[i] = sac->sac_assoc_id;
+#endif
+ }
+
+ /* Get the communication up message and the data message on the
+ * server sockets for all the clients.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ 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_associd[i] = sac->sac_assoc_id;
+
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(svr_sk, &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+ }
+
+ /* Branch off all the associations on the server socket to separate
+ * individual sockets.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++)
+ peeloff_sk[i] = test_sctp_peeloff(svr_sk, svr_associd[i]);
+
+ tst_resm(TPASS, "sctp_peeloff");
+
+ errno = 0;
+ /* Verify that a peeled off socket is not allowed to do a listen(). */
+ error = listen(peeloff_sk[0], 1);
+ if (error != -1)
+ tst_brkm(TBROK, tst_exit, "listen on a peeled off socket "
+ "error: %d, errno: %d", error, errno);
+
+ tst_resm(TPASS, "listen on a peeled off socket");
+
+ errno = 0;
+ /* Verify that an association cannot be branched off an already
+ * peeled-off socket.
+ */
+ if ((-1 != sctp_peeloff(peeloff_sk[0], svr_associd[0])) ||
+ (EINVAL != errno))
+ tst_brkm(TBROK, tst_exit, "sctp_peeloff on a peeled off "
+ "socket error:%d, errno:%d",
+ error, errno);
+
+ tst_resm(TPASS, "sctp_peeloff on a peeled off socket");
+
+ /* Send a message from all the client sockets to the server socket. */
+ for (i = 0; i < MAX_CLIENTS; i++)
+ test_sendmsg(clt_sk[i], &outmessage, 0, strlen(message)+1);
+
+ /* Receive the sent messages on the peeled off server sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(peeloff_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+ }
+
+ tst_resm(TPASS, "Receive msgs on peeled off sockets");
+
+ /* Send a message from all the peeled off server sockets to the client
+ * sockets.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ outmessage.msg_name = &clt_loop[i];
+ outmessage.msg_namelen = sizeof(clt_loop[i]);
+ test_sendmsg(peeloff_sk[i], &outmessage, 0, strlen(message)+1);
+ }
+
+ /* Receive the messages sent from the peeled of server sockets on
+ * the client sockets.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+ }
+
+ tst_resm(TPASS, "Send msgs on peeled off sockets");
+
+ errno = 0;
+ /* Verify that a peeled-off socket cannot initialize a new
+ * association by trying to send a message to a client that is not
+ * associated with the peeled-off socket.
+ * The message is sent to the client that is associated with the
+ * socket.
+ */
+ outmessage.msg_name = &clt_loop[1];
+ outmessage.msg_namelen = sizeof(clt_loop[1]);
+ test_sendmsg(peeloff_sk[0], &outmessage, 0, strlen(message)+1);
+
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[0], &inmessage, MSG_WAITALL);
+ test_check_msg_data(&inmessage, error, strlen(message) + 1,
+ MSG_EOR, stream, ppid);
+
+ tst_resm(TPASS, "peeled off socket cannot initialize a new assoc");
+
+ close(svr_sk);
+
+ /* Close all the peeled off server sockets. */
+ for (i = 0; i < MAX_CLIENTS; i++)
+ close(peeloff_sk[i]);
+
+ /* Get the shutdown complete notification from all the client
+ * sockets.
+ */
+ for (i = 0; i < MAX_CLIENTS; i++) {
+ inmessage.msg_controllen = sizeof(incmsg);
+ error = test_recvmsg(clt_sk[i], &inmessage, MSG_WAITALL);
+ test_check_msg_notification(&inmessage, error,
+ sizeof(struct sctp_assoc_change),
+ SCTP_ASSOC_CHANGE,
+ SCTP_SHUTDOWN_COMP);
+
+ close(clt_sk[i]);
+ }
+
+ /* Indicate successful completion. */
+ return 0;
+}