* tests/netlink_parsing.test: New test. * tests/netlink_parsing.c: New file. * tests/.gitignore: Add netlink_parsing. * tests/Makefile.am (check_PROGRAMS): Likewise. --- tests/.gitignore | 1 + tests/Makefile.am | 2 ++ tests/netlink_parsing.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++ tests/netlink_parsing.test | 48 +++++++++++++++++++++++++ 4 files changed, 140 insertions(+) create mode 100644 tests/netlink_parsing.c create mode 100755 tests/netlink_parsing.test
diff --git a/tests/.gitignore b/tests/.gitignore index 67d0d66..bd18731 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -147,6 +147,7 @@ net-yy-netlink net-yy-unix netlink_inet_diag netlink_netlink_diag +netlink_parsing netlink_unix_diag newfstatat nsyscalls diff --git a/tests/Makefile.am b/tests/Makefile.am index 7a029b6..3472023 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -200,6 +200,7 @@ check_PROGRAMS = \ net-yy-unix \ netlink_inet_diag \ netlink_netlink_diag \ + netlink_parsing \ netlink_unix_diag \ newfstatat \ nsyscalls \ @@ -508,6 +509,7 @@ DECODER_TESTS = \ net-yy-netlink.test \ net-yy-unix.test \ net.test \ + netlink_parsing.test \ newfstatat.test \ nsyscalls.test \ old_mmap.test \ diff --git a/tests/netlink_parsing.c b/tests/netlink_parsing.c new file mode 100644 index 0000000..19a5b53 --- /dev/null +++ b/tests/netlink_parsing.c @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2014-2016 Dmitry V. Levin <l...@altlinux.org> + * Copyright (c) 2016 Fabien Siron <fabien.si...@epita.fr> + * 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. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. + */ + +#include "tests.h" +#include <errno.h> +#include <string.h> +#include <unistd.h> +#include <netinet/in.h> +#include <stdio.h> +#include <linux/netlink.h> +#include <linux/sock_diag.h> +#include <linux/netlink_diag.h> + +#if !defined NETLINK_SOCK_DIAG && defined NETLINK_INET_DIAG +# define NETLINK_SOCK_DIAG NETLINK_INET_DIAG +#endif + +static void +send_query(const int fd) +{ + struct { + struct nlmsghdr nlh; + char magic[4]; + } req = { + .nlh = { + .nlmsg_len = sizeof(req), + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST + }, + .magic = "abcd" + }; + + if (sendto(fd, &req, sizeof(req), MSG_DONTWAIT, NULL, 0) <= 0) + perror_msg_and_skip("sendto"); + + printf("sendto(%d, {{len=%u, type=20, flags=NLM_F_REQUEST|0x300, " + "seq=0, pid=0}, \"abcd\"}, 20, MSG_DONTWAIT, NULL, 0) = %u\n", + fd, (unsigned) sizeof(req), (unsigned) sizeof(req)); +} + +int main(void) +{ + struct sockaddr_nl addr; + socklen_t len = sizeof(addr); + int fd; + + memset(&addr, 0, sizeof(addr)); + addr.nl_family = AF_NETLINK; + + if ((fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG)) == -1) + perror_msg_and_skip("socket AF_NETLINK"); + printf("socket(AF_NETLINK, SOCK_RAW, NETLINK_SOCK_DIAG) = %i\n", + fd); + if (bind(fd, (struct sockaddr *) &addr, len)) + perror_msg_and_skip("bind"); + printf("bind(%i, {sa_family=AF_NETLINK, pid=0, groups=00000000}, %u)" + " = 0\n", fd, len); + + send_query(fd); + + printf("+++ exited with 0 +++\n"); + + return 0; +} diff --git a/tests/netlink_parsing.test b/tests/netlink_parsing.test new file mode 100755 index 0000000..d74c835 --- /dev/null +++ b/tests/netlink_parsing.test @@ -0,0 +1,48 @@ +#!/bin/sh +# +# Check decoding of protocol:portid pairs associated with socket +# descriptors +# +# Copyright (c) 2014 Masatake YAMATO <yam...@redhat.com> +# Copyright (c) 2014-2016 Dmitry V. Levin <l...@altlinux.org> +# Copyright (c) 2016 Fabien Siron <fabien.si...@epita.fr> +# 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. +# 3. The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. + +. "${srcdir=.}/init.sh" + +# strace -yy is implemented using /proc/self/fd +[ -d /proc/self/fd/ ] || + framework_skip_ '/proc/self/fd/ is not available' + +check_prog sed + +run_prog "./$NAME" > /dev/null + +run_strace -a22 -eclose,network $args > "$EXP" +# Filter out close() calls made by ld.so and libc. +sed -n '/socket/,$p' < "$LOG" > "$OUT" + +match_diff "$OUT" "$EXP" +rm -f "$EXP" "$OUT" -- 2.8.3 ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e _______________________________________________ Strace-devel mailing list Strace-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/strace-devel