diff --git a/tools/regression/sockets/zerosend/Makefile b/tools/regression/sockets/zerosend/Makefile new file mode 100644 index 000000000000..2bd05014f488 --- /dev/null +++ b/tools/regression/sockets/zerosend/Makefile @@ -0,0 +1,7 @@ +# $FreeBSD$ + +PROG= zerosend +NO_MAN= +WARNS?= 2 + +.include diff --git a/tools/regression/sockets/zerosend/zerosend.c b/tools/regression/sockets/zerosend/zerosend.c new file mode 100644 index 000000000000..37fa6b145800 --- /dev/null +++ b/tools/regression/sockets/zerosend/zerosend.c @@ -0,0 +1,271 @@ +/*- + * Copyright (c) 2007 Robert N. M. Watson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include +#include + +#include + +#include + +#include +#include +#include +#include +#include +#include + +#define PORT1 10001 +#define PORT2 10002 + +static void +try_0send(const char *test, int fd) +{ + ssize_t len; + char ch; + + ch = 0; + len = send(fd, &ch, 0, 0); + if (len < 0) + err(-1, "%s: try_0send", test); + if (len != 0) + errx(-1, "%s: try_0send: returned %d", test, len); +} + +static void +try_0write(const char *test, int fd) +{ + ssize_t len; + char ch; + + ch = 0; + len = write(fd, &ch, 0); + if (len < 0) + err(-1, "%s: try_0write", test); + if (len != 0) + errx(-1, "%s: try_0write: returned %d", test, len); +} + +static void +setup_udp(const char *test, int *fdp) +{ + struct sockaddr_in sin; + int sock1, sock2; + + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + + sin.sin_port = htons(PORT1); + sock1 = socket(PF_INET, SOCK_DGRAM, 0); + if (sock1 < 0) + err(-1, "%s: setup_udp: socket", test); + if (bind(sock1, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "%s: setup_udp: bind(%s, %d)", test, + inet_ntoa(sin.sin_addr), PORT1); + sin.sin_port = htons(PORT2); + if (connect(sock1, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "%s: setup_udp: bind(%s, %d)", test, + inet_ntoa(sin.sin_addr), PORT2); + + sock2 = socket(PF_INET, SOCK_DGRAM, 0); + if (sock2 < 0) + err(-1, "%s: setup_udp: socket", test); + if (bind(sock2, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "%s: setup_udp: bind(%s, %d)", test, + inet_ntoa(sin.sin_addr), PORT2); + sin.sin_port = htons(PORT1); + if (connect(sock2, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "%s: setup_udp: bind(%s, %d)", test, + inet_ntoa(sin.sin_addr), PORT1); + + fdp[0] = sock1; + fdp[1] = sock2; +} + +static void +setup_tcp(const char *test, int *fdp) +{ + struct sockaddr_in sin; + int sock1, sock2, sock3; + + bzero(&sin, sizeof(sin)); + sin.sin_len = sizeof(sin); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + + /* + * First set up the listen socket. + */ + sin.sin_port = htons(PORT1); + sock1 = socket(PF_INET, SOCK_STREAM, 0); + if (sock1 < 0) + err(-1, "%s: setup_tcp: socket", test); + if (bind(sock1, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "%s: bind(%s, %d)", test, inet_ntoa(sin.sin_addr), + PORT1); + if (listen(sock1, -1) < 0) + err(-1, "%s: listen", test); + + /* + * Now connect to it, non-blocking so that we don't deadlock against + * ourselves. + */ + sock2 = socket(PF_INET, SOCK_STREAM, 0); + if (sock2 < 0) + err(-1, "%s: setup_tcp: socket", test); + if (fcntl(sock2, F_SETFL, O_NONBLOCK) < 0) + err(-1, "%s: setup_tcp: fcntl(O_NONBLOCK)", test); + if (connect(sock2, (struct sockaddr *)&sin, sizeof(sin)) < 0) + err(-1, "%s: setup_tcp: connect(%s, %d)", test, + inet_ntoa(sin.sin_addr), PORT1); + + /* + * Now pick up the connection after sleeping a moment to make sure + * there's been time for some packets to go back and forth. + */ + if (sleep(1) < 0) + err(-1, "%s: sleep(1)", test); + sock3 = accept(sock1, NULL, NULL); + if (sock3 < 0) + err(-1, "%s: accept", test); + if (sleep(1) < 0) + err(-1, "%s: sleep(1)", test); + + close(sock1); + fdp[0] = sock2; + fdp[1] = sock3; +} + +static void +setup_udsstream(const char *test, int *fdp) +{ + + if (socketpair(PF_LOCAL, SOCK_STREAM, 0, fdp) < 0) + err(-1, "%s: setup_udsstream: socketpair", test); +} + +static void +setup_udsdgram(const char *test, int *fdp) +{ + + if (socketpair(PF_LOCAL, SOCK_DGRAM, 0, fdp) < 0) + err(-1, "%s: setup_udsdgram: socketpair", test); +} + +static void +setup_pipe(const char *test, int *fdp) +{ + + if (pipe(fdp) < 0) + err(-1, "%s: setup_pipe: pipe", test); +} + +static void +setup_fifo(const char *test, int *fdp) +{ + char path[PATH_MAX]; + int fd1, fd2; + + strcpy(path, "/tmp/0send_fifo.XXXXXXX"); + if (mktemp(path) == NULL) + err(-1, "%s: setup_fifo: mktemp", test); + + if (mkfifo(path, 0600) < 0) + err(-1, "%s: setup_fifo: mkfifo(%s)", test, path); + + fd1 = open(path, O_RDONLY | O_NONBLOCK); + if (fd1 < 0) + err(-1, "%s: setup_fifo: open(%s, O_RDONLY)", test, path); + + fd2 = open(path, O_WRONLY | O_NONBLOCK); + if (fd2 < 0) + err(-1, "%s: setup_fifo: open(%s, O_WRONLY)", test, path); + + fdp[0] = fd2; + fdp[1] = fd1; +} + +static void +close_both(int *fdp) +{ + + close(fdp[0]); + fdp[0] = -1; + close(fdp[1]); + fdp[1] = -1; +} + +int +main(int argc, char *argv[]) +{ + int fd[2]; + + setup_udp("udp_0send", fd); + try_0send("udp_0send", fd[0]); + close_both(fd); + + setup_udp("udp_0write", fd); + try_0write("udp_0write", fd[0]); + close_both(fd); + + setup_tcp("tcp_0send", fd); + try_0send("tcp_0send", fd[0]); + close_both(fd); + + setup_tcp("tcp_0write", fd); + try_0write("tcp_0write", fd[0]); + close_both(fd); + + setup_udsstream("udsstream_0send", fd); + try_0send("udsstream_0send", fd[0]); + close_both(fd); + + setup_udsstream("udsstream_0write", fd); + try_0write("udsstream_0write", fd[0]); + close_both(fd); + + setup_udsdgram("udsdgram_0send", fd); + try_0send("udsdgram_0send", fd[0]); + close_both(fd); + + setup_udsdgram("udsdgram_0write", fd); + try_0write("udsdgram_0write", fd[0]); + close_both(fd); + + setup_pipe("pipe_0write", fd); + try_0write("pipd_0write", fd[0]); + close_both(fd); + + setup_fifo("fifo_0write", fd); + try_0write("fifo_0write", fd[0]); + close_both(fd); + + return (0); +}