Dmitry V. Levin
eca8b5b26a
* net.c (decode_sockname): Print both user and kernel address lengths when the value changes. * tests/net-y-unix.c (main): Update expected output. * tests/net-yy-unix.c (main): Likewise. * tests/net.expected: Likewise.
236 lines
8.8 KiB
C
236 lines
8.8 KiB
C
/*
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* This file is part of net-y-unix strace test.
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*
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* Copyright (c) 2013-2016 Dmitry V. Levin <ldv@altlinux.org>
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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 <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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int
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main(int ac, const char **av)
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{
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assert(ac == 2);
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struct sockaddr_un addr = { .sun_family = AF_UNIX };
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unsigned int sun_path_len = strlen(av[1]);
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assert(sun_path_len > 0 && sun_path_len <= sizeof(addr.sun_path));
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strncpy(addr.sun_path, av[1], sizeof(addr.sun_path));
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struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr));
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socklen_t * const len = tail_alloc(sizeof(socklen_t));
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*len = offsetof(struct sockaddr_un, sun_path) + strlen(av[1]) + 1;
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if (*len > sizeof(addr))
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*len = sizeof(addr);
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int listen_fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (listen_fd < 0)
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perror_msg_and_skip("socket");
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unsigned long listen_inode = inode_of_sockfd(listen_fd);
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printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n",
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listen_fd, listen_inode);
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(void) unlink(av[1]);
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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<socket:[%lu]>, {sa_family=AF_UNIX, sun_path=\"%s\"}"
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", %u) = 0\n", listen_fd, listen_inode, av[1], (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<socket:[%lu]>, 1) = 0\n", listen_fd, listen_inode);
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unsigned int * const optval = tail_alloc(sizeof(unsigned int));
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*len = sizeof(*optval);
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if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len))
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perror_msg_and_fail("getsockopt");
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printf("getsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED"
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", [%u], [%u]) = 0\n",
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listen_fd, listen_inode, *optval, (unsigned) *len);
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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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printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX"
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", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode,
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av[1], (int) sizeof(addr), (int) *len);
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int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (connect_fd < 0)
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perror_msg_and_fail("socket");
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unsigned long connect_inode = inode_of_sockfd(connect_fd);
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printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n",
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connect_fd, connect_inode);
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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<socket:[%lu]>, {sa_family=AF_UNIX"
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", sun_path=\"%s\"}, %u) = 0\n",
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connect_fd, connect_inode, av[1], (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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int accept_fd = 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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unsigned long accept_inode = inode_of_sockfd(accept_fd);
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printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX}"
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", [%d->%d]) = %d<socket:[%lu]>\n",
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listen_fd, listen_inode,
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(int) sizeof(addr), (int) *len,
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accept_fd, accept_inode);
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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<socket:[%lu]>, {sa_family=AF_UNIX"
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", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode,
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av[1], (int) sizeof(addr), (int) *len);
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char text[] = "text";
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assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
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== sizeof(text) - 1);
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printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
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", NULL, 0) = %u\n",
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connect_fd, connect_inode, 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<socket:[%lu]>) = 0\n", connect_fd, connect_inode);
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assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
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== sizeof(text) - 1);
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printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
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", NULL, NULL) = %u\n",
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accept_fd, accept_inode, 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<socket:[%lu]>) = 0\n", accept_fd, accept_inode);
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connect_fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (connect_fd < 0)
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perror_msg_and_fail("socket");
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connect_inode = inode_of_sockfd(connect_fd);
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printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n",
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connect_fd, connect_inode);
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*optval = 1;
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*len = sizeof(*optval);
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if (setsockopt(connect_fd, SOL_SOCKET, SO_PASSCRED, optval, *len))
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perror_msg_and_fail("setsockopt");
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printf("setsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED"
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", [%u], %u) = 0\n",
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connect_fd, connect_inode, *optval, (unsigned) *len);
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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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printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX"
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", sun_path=\"%s\"}, [%d->%d]) = 0\n",
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listen_fd, listen_inode, av[1],
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(int) sizeof(addr), (int) *len);
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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<socket:[%lu]>, {sa_family=AF_UNIX"
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", sun_path=\"%s\"}, %u) = 0\n",
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connect_fd, connect_inode, av[1], (unsigned) *len);
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memset(accept_sa, 0, sizeof(addr));
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*len = sizeof(addr);
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accept_fd = 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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accept_inode = inode_of_sockfd(accept_fd);
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const char * const sun_path1 =
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((struct sockaddr_un *) accept_sa) -> sun_path + 1;
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printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX"
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", sun_path=@\"%s\"}, [%d->%d]) = %d<socket:[%lu]>\n",
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listen_fd, listen_inode, sun_path1,
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(int) sizeof(addr), (int) *len,
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accept_fd, accept_inode);
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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<socket:[%lu]>, {sa_family=AF_UNIX"
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", sun_path=\"%s\"}, [%d->%d]) = 0\n",
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connect_fd, connect_inode, av[1],
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(int) sizeof(addr), (int) *len);
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memset(accept_sa, 0, sizeof(addr));
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*len = sizeof(addr);
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if (getsockname(connect_fd, accept_sa, len))
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perror_msg_and_fail("getsockname");
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printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX"
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", sun_path=@\"%s\"}, [%d->%d]) = 0\n",
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connect_fd, connect_inode, sun_path1,
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(int) sizeof(addr), (int) *len);
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assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0)
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== sizeof(text) - 1);
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printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
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", NULL, 0) = %u\n",
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connect_fd, connect_inode, 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<socket:[%lu]>) = 0\n", connect_fd, connect_inode);
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assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL)
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== sizeof(text) - 1);
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printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT"
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", NULL, NULL) = %u\n",
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accept_fd, accept_inode, 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<socket:[%lu]>) = 0\n", accept_fd, accept_inode);
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assert(unlink(av[1]) == 0);
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assert(close(listen_fd) == 0);
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printf("close(%d<socket:[%lu]>) = 0\n",
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listen_fd, listen_inode);
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puts("+++ exited with 0 +++");
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return 0;
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}
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