diff options
author | sobomax <sobomax@FreeBSD.org> | 2005-01-12 09:57:18 +0000 |
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committer | sobomax <sobomax@FreeBSD.org> | 2005-01-12 09:57:18 +0000 |
commit | 319257bc18d0dd620c6ea88bf4825d34a0731921 (patch) | |
tree | 21bed023ca5eb61c8d9d25e1ddd9b90a1f4a2260 /tools/regression/sockets | |
parent | 70b72b2db5e1aab28ca6581b60e810c2c2f42490 (diff) | |
download | FreeBSD-src-319257bc18d0dd620c6ea88bf4825d34a0731921.zip FreeBSD-src-319257bc18d0dd620c6ea88bf4825d34a0731921.tar.gz |
Add test which excersises problem with unability to change association of
already associated datagram unix domain socket by issuing connect() system
call.
Diffstat (limited to 'tools/regression/sockets')
-rw-r--r-- | tools/regression/sockets/reconnect/Makefile | 9 | ||||
-rw-r--r-- | tools/regression/sockets/reconnect/reconnect.c | 140 |
2 files changed, 149 insertions, 0 deletions
diff --git a/tools/regression/sockets/reconnect/Makefile b/tools/regression/sockets/reconnect/Makefile new file mode 100644 index 0000000..3da4376 --- /dev/null +++ b/tools/regression/sockets/reconnect/Makefile @@ -0,0 +1,9 @@ +# +# $FreeBSD$ +# + +PROG= reconnect +NO_MAN= yes +WARNS= 2 + +.include <bsd.prog.mk> diff --git a/tools/regression/sockets/reconnect/reconnect.c b/tools/regression/sockets/reconnect/reconnect.c new file mode 100644 index 0000000..02922bf --- /dev/null +++ b/tools/regression/sockets/reconnect/reconnect.c @@ -0,0 +1,140 @@ +/*- + * Copyright (c) 2005 Maxim Sobolev + * 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. + * + * $FreeBSD$ + */ + +/* + * The reconnect regression test is designed to catch kernel bug that may + * prevent changing association of already associated datagram unix domain + * socket when server side of connection has been closed. + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/uio.h> +#include <sys/un.h> +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <signal.h> +#include <string.h> +#include <unistd.h> + +static char *uds_name1 = NULL; +static char *uds_name2 = NULL; + +#define sstosa(ss) ((struct sockaddr *)(ss)) + +void +prepare_ifsun(struct sockaddr_un *ifsun, const char *path) +{ + + memset(ifsun, '\0', sizeof(*ifsun)); +#if !defined(__linux__) && !defined(__solaris__) + ifsun->sun_len = strlen(path); +#endif + ifsun->sun_family = AF_LOCAL; + strcpy(ifsun->sun_path, path); +} + +int +create_uds_server(const char *path) +{ + struct sockaddr_un ifsun; + int sock; + + prepare_ifsun(&ifsun, path); + + unlink(ifsun.sun_path); + + sock = socket(PF_LOCAL, SOCK_DGRAM, 0); + if (sock == -1) + err(1, "can't create socket"); + setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &sock, sizeof(sock)); + if (bind(sock, sstosa(&ifsun), sizeof(ifsun)) < 0) + err(1, "can't bind to a socket"); + + return sock; +} + +void +connect_uds_server(int sock, const char *path) +{ + struct sockaddr_un ifsun; + int e; + + prepare_ifsun(&ifsun, path); + + e = connect(sock, sstosa(&ifsun), sizeof(ifsun)); + if (e < 0) + err(1, "can't connect to a socket"); +} + +void +cleanup(void) +{ + + if (uds_name1 != NULL) + unlink(uds_name1); + if (uds_name2 != NULL) + unlink(uds_name2); +} + +int +main() +{ + int s_sock1, s_sock2, c_sock; + + atexit(cleanup); + + uds_name1 = strdup("/tmp/reconnect.XXXXXX"); + if (uds_name1 == NULL) + err(1, "can't allocate memory"); + uds_name1 = mktemp(uds_name1); + if (uds_name1 == NULL) + err(1, "mktemp(3) failed"); + s_sock1 = create_uds_server(uds_name1); + + uds_name2 = strdup("/tmp/reconnect.XXXXXX"); + if (uds_name2 == NULL) + err(1, "can't allocate memory"); + uds_name2 = mktemp(uds_name2); + if (uds_name2 == NULL) + err(1, "mktemp(3) failed"); + s_sock2 = create_uds_server(uds_name2); + + c_sock = socket(PF_LOCAL, SOCK_DGRAM, 0); + if (c_sock < 0) + err(1, "can't create socket"); + + connect_uds_server(c_sock, uds_name1); + close(s_sock1); + connect_uds_server(c_sock, uds_name2); + + exit (0); +} |