198 lines
7.5 KiB
C
198 lines
7.5 KiB
C
/*
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* This file is part of net-yy-inet strace test.
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*
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* Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2016-2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <assert.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <arpa/inet.h>
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#include "accept_compat.h"
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#ifndef ADDR_FAMILY
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# define ADDR_FAMILY_FIELD sin_family
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# define ADDR_FAMILY AF_INET
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# define AF_STR "AF_INET"
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# define LOOPBACK_FIELD .sin_addr.s_addr = htonl(INADDR_LOOPBACK)
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# define LOOPBACK "127.0.0.1"
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# define SOCKADDR_TYPE sockaddr_in
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# define TCP_STR "TCP"
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# define INPORT sin_port
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# define INPORT_STR "sin_port"
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# define INADDR_STR "sin_addr=inet_addr(\"" LOOPBACK "\")"
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# define SA_FIELDS ""
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#endif
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int
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main(void)
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{
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skip_if_unavailable("/proc/self/fd/");
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const struct SOCKADDR_TYPE addr = {
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.ADDR_FAMILY_FIELD = ADDR_FAMILY,
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LOOPBACK_FIELD
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};
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struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr));
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TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len);
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*len = sizeof(addr);
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const int listen_fd = socket(ADDR_FAMILY, SOCK_STREAM, 0);
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if (listen_fd < 0)
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perror_msg_and_skip("socket");
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const unsigned long listen_inode = inode_of_sockfd(listen_fd);
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printf("socket(" AF_STR ", SOCK_STREAM, IPPROTO_IP) = %d<" TCP_STR
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":[%lu]>\n",
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listen_fd, listen_inode);
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if (bind(listen_fd, listen_sa, *len))
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perror_msg_and_skip("bind");
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printf("bind(%d<" TCP_STR ":[%lu]>, {sa_family=" AF_STR ", " INPORT_STR
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"=htons(0), " INADDR_STR SA_FIELDS "}, %u) = 0\n",
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listen_fd, listen_inode, (unsigned) *len);
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if (listen(listen_fd, 1))
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perror_msg_and_skip("listen");
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printf("listen(%d<" TCP_STR ":[%lu]>, 1) = 0\n",
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listen_fd, listen_inode);
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memset(listen_sa, 0, sizeof(addr));
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*len = sizeof(addr);
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if (getsockname(listen_fd, listen_sa, len))
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perror_msg_and_fail("getsockname");
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const unsigned int listen_port =
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ntohs(((struct SOCKADDR_TYPE *) listen_sa)->INPORT);
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printf("getsockname(%d<" TCP_STR ":[" LOOPBACK ":%u]>, {sa_family="
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AF_STR ", " INPORT_STR "=htons(%u), " INADDR_STR SA_FIELDS "}"
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", [%u]) = 0\n",
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listen_fd, listen_port, listen_port, (unsigned) *len);
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TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval);
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*len = sizeof(*optval);
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if (getsockopt(listen_fd, SOL_TCP, TCP_MAXSEG, optval, len))
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perror_msg_and_fail("getsockopt");
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printf("getsockopt(%d<" TCP_STR ":[" LOOPBACK ":%u]>, SOL_TCP, "
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"TCP_MAXSEG, [%u], [%u]) = 0\n",
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listen_fd, listen_port, *optval, (unsigned) *len);
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const int connect_fd = socket(ADDR_FAMILY, SOCK_STREAM, 0);
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if (connect_fd < 0)
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perror_msg_and_fail("socket");
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const unsigned long connect_inode = inode_of_sockfd(connect_fd);
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printf("socket(" AF_STR ", SOCK_STREAM, IPPROTO_IP) = %d<" TCP_STR
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":[%lu]>\n",
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connect_fd, connect_inode);
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*len = sizeof(addr);
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if (connect(connect_fd, listen_sa, *len))
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perror_msg_and_fail("connect");
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printf("connect(%d<" TCP_STR ":[%lu]>, {sa_family=" AF_STR ", "
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INPORT_STR "=htons(%u), " INADDR_STR SA_FIELDS "}, %u) = 0\n",
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connect_fd, connect_inode, listen_port, (unsigned) *len);
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struct sockaddr * const accept_sa = tail_alloc(sizeof(addr));
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memset(accept_sa, 0, sizeof(addr));
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*len = sizeof(addr);
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const int accept_fd = do_accept(listen_fd, accept_sa, len);
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if (accept_fd < 0)
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perror_msg_and_fail("accept");
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const unsigned int connect_port =
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ntohs(((struct SOCKADDR_TYPE *) accept_sa)->INPORT);
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printf("accept(%d<" TCP_STR ":[" LOOPBACK ":%u]>, {sa_family=" AF_STR
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", " INPORT_STR "=htons(%u), " INADDR_STR SA_FIELDS "}"
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", [%u]) = %d<" TCP_STR ":[" LOOPBACK ":%u->" LOOPBACK ":%u]>\n",
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listen_fd, listen_port, connect_port, (unsigned) *len,
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accept_fd, listen_port, connect_port);
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memset(accept_sa, 0, sizeof(addr));
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*len = sizeof(addr);
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if (getpeername(accept_fd, accept_sa, len))
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perror_msg_and_fail("getpeername");
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printf("getpeername(%d<" TCP_STR ":[" LOOPBACK ":%u->" LOOPBACK ":%u]>"
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", {sa_family=" AF_STR ", " INPORT_STR "=htons(%u)"
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", " INADDR_STR SA_FIELDS "}, [%u]) = 0\n",
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accept_fd, listen_port, connect_port, connect_port,
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(unsigned) *len);
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memset(listen_sa, 0, sizeof(addr));
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*len = sizeof(addr);
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if (getpeername(connect_fd, listen_sa, len))
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perror_msg_and_fail("getpeername");
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printf("getpeername(%d<" TCP_STR ":[" LOOPBACK ":%u->" LOOPBACK ":%u]>"
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", {sa_family=" AF_STR ", " INPORT_STR "=htons(%u)"
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", " INADDR_STR SA_FIELDS "}, [%u]) = 0\n",
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connect_fd, connect_port, listen_port, listen_port,
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(unsigned) *len);
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*len = sizeof(*optval);
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if (setsockopt(connect_fd, SOL_TCP, TCP_MAXSEG, optval, *len))
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perror_msg_and_fail("setsockopt");
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printf("setsockopt(%d<" TCP_STR ":[" LOOPBACK ":%u->" LOOPBACK ":%u]>"
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", SOL_TCP, TCP_MAXSEG, [%u], %u) = 0\n",
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connect_fd, connect_port, listen_port, *optval,
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(unsigned) *len);
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char text[] = "text";
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assert(sendto(connect_fd, text, sizeof(text) - 1,
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MSG_DONTROUTE | MSG_DONTWAIT, NULL, 0) == sizeof(text) - 1);
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printf("sendto(%d<" TCP_STR ":[" LOOPBACK ":%u->" LOOPBACK ":%u]>, "
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"\"%s\", %u, MSG_DONTROUTE|MSG_DONTWAIT, NULL, 0) = %u\n",
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connect_fd, connect_port, listen_port, text,
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(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
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assert(close(connect_fd) == 0);
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printf("close(%d<" TCP_STR ":[" LOOPBACK ":%u->" LOOPBACK ":%u]>) = "
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"0\n",
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connect_fd, connect_port, listen_port);
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assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_WAITALL,
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NULL, NULL) == sizeof(text) - 1);
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printf("recvfrom(%d<" TCP_STR ":[" LOOPBACK ":%u->" LOOPBACK ":%u]>, "
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"\"%s\", %u, MSG_WAITALL, NULL, NULL) = %u\n",
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accept_fd, listen_port, connect_port, text,
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(unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1);
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assert(close(accept_fd) == 0);
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printf("close(%d<" TCP_STR ":[" LOOPBACK ":%u->" LOOPBACK ":%u]>) = "
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"0\n",
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accept_fd, listen_port, connect_port);
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assert(close(listen_fd) == 0);
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printf("close(%d<" TCP_STR ":[" LOOPBACK ":%u]>) = 0\n",
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listen_fd, listen_port);
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puts("+++ exited with 0 +++");
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return 0;
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}
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