tests: check decoding of packet_diag_msg attributes
* tests/netlink_sock_diag-v.sh: New file. * tests/Makefile.am (EXTRA_DIST): Add it. * tests/nlattr_packet_diag_msg.c: New file. * tests/gen_tests.in (nlattr_packet_diag_msg): New entry. * tests/pure_executables.list: Add nlattr_packet_diag_msg. * tests/.gitignore: Likewise. Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
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JingPiao Chen
parent
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a0470d7848
1
tests/.gitignore
vendored
1
tests/.gitignore
vendored
@ -212,6 +212,7 @@ newfstatat
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nlattr
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nlattr_inet_diag_msg
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nlattr_netlink_diag_msg
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nlattr_packet_diag_msg
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nlattr_unix_diag_msg
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nsyscalls
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old_mmap
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@ -317,6 +317,7 @@ EXTRA_DIST = \
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lstatx.c \
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match.awk \
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net.expected \
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netlink_sock_diag-v.sh \
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oldselect.expected \
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pipe.expected \
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process_vm_readv_writev.c \
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@ -195,6 +195,7 @@ newfstatat -a32 -v -P stat.sample -P /dev/full
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nlattr +netlink_sock_diag.test
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nlattr_inet_diag_msg +netlink_sock_diag.test
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nlattr_netlink_diag_msg +netlink_sock_diag.test
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nlattr_packet_diag_msg +netlink_sock_diag-v.sh
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nlattr_unix_diag_msg +netlink_sock_diag.test
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old_mmap -a11 -e trace=mmap
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oldfstat -a18 -v -P stat.sample
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33
tests/netlink_sock_diag-v.sh
Executable file
33
tests/netlink_sock_diag-v.sh
Executable file
@ -0,0 +1,33 @@
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#!/bin/sh
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#
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# Check verbose decoding of NETLINK_SOCK_DIAG protocol
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#
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# Copyright (c) 2017 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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. "${srcdir=.}/init.sh"
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run_prog ../netlink_netlink_diag
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run_strace_match_diff -v -e trace=sendto
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181
tests/nlattr_packet_diag_msg.c
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181
tests/nlattr_packet_diag_msg.c
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@ -0,0 +1,181 @@
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/*
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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* Copyright (c) 2017 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 <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <net/if.h>
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#include "test_nlattr.h"
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#include <sys/socket.h>
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#include <linux/filter.h>
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#include <linux/packet_diag.h>
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#include <linux/rtnetlink.h>
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#include <linux/sock_diag.h>
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#ifdef HAVE_IF_INDEXTONAME
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# define IFINDEX_LO (if_nametoindex("lo"))
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#else
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# define IFINDEX_LO 1
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#endif
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static void
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init_packet_diag_msg(struct nlmsghdr *const nlh, const unsigned int msg_len)
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{
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SET_STRUCT(struct nlmsghdr, nlh,
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.nlmsg_len = msg_len,
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.nlmsg_type = SOCK_DIAG_BY_FAMILY,
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.nlmsg_flags = NLM_F_DUMP
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);
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struct packet_diag_msg *const msg = NLMSG_DATA(nlh);
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*msg = (struct packet_diag_msg) {
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.pdiag_family = AF_PACKET,
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.pdiag_type = SOCK_STREAM
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};
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}
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static void
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print_packet_diag_msg(const unsigned int msg_len)
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{
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printf("{len=%u, type=SOCK_DIAG_BY_FAMILY"
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", flags=NLM_F_DUMP, seq=0, pid=0}"
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", {pdiag_family=AF_PACKET"
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", pdiag_type=SOCK_STREAM, pdiag_num=0"
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", pdiag_ino=0, pdiag_cookie=[0, 0]}",
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msg_len);
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}
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static void
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print_packet_diag_mclist(const struct packet_diag_mclist *const dml)
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{
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printf("{pdmc_index=if_nametoindex(\"lo\")");
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PRINT_FIELD_U(", ", *dml, pdmc_count);
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PRINT_FIELD_U(", ", *dml, pdmc_type);
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PRINT_FIELD_U(", ", *dml, pdmc_alen);
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printf(", pdmc_addr=");
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print_quoted_hex(dml->pdmc_addr, dml->pdmc_alen);
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printf("}");
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}
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static const struct sock_filter filter[] = {
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BPF_STMT(BPF_LD|BPF_B|BPF_ABS, SKF_AD_OFF+SKF_AD_PKTTYPE),
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BPF_STMT(BPF_RET|BPF_K, 0x2a)
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};
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static void
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print_sock_filter(const struct sock_filter *const f)
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{
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if (f == filter)
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printf("BPF_STMT(BPF_LD|BPF_B|BPF_ABS"
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", SKF_AD_OFF+SKF_AD_PKTTYPE)");
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else
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printf("BPF_STMT(BPF_RET|BPF_K, 0x2a)");
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}
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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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int fd = create_nl_socket(NETLINK_SOCK_DIAG);
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const unsigned int hdrlen = sizeof(struct packet_diag_msg);
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void *const nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
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static char pattern[4096];
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fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
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static const struct packet_diag_info pinfo = {
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.pdi_index = 0xabcddafa,
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.pdi_version = 0xbabcdafb,
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.pdi_reserve = 0xcfaacdaf,
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.pdi_copy_thresh = 0xdabacdaf,
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.pdi_tstamp = 0xeafbaadf,
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.pdi_flags = PDI_RUNNING
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};
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TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_packet_diag_msg, print_packet_diag_msg,
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PACKET_DIAG_INFO, pattern, pinfo,
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PRINT_FIELD_U("{", pinfo, pdi_index);
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PRINT_FIELD_U(", ", pinfo, pdi_version);
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PRINT_FIELD_U(", ", pinfo, pdi_reserve);
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PRINT_FIELD_U(", ", pinfo, pdi_copy_thresh);
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PRINT_FIELD_U(", ", pinfo, pdi_tstamp);
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printf(", pdi_flags=PDI_RUNNING}"));
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const struct packet_diag_mclist dml[] = {
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{
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.pdmc_index = IFINDEX_LO,
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.pdmc_count = 0xabcdaefc,
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.pdmc_type = 0xcdaf,
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.pdmc_alen = 4,
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.pdmc_addr = "1234"
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},
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{
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.pdmc_index = IFINDEX_LO,
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.pdmc_count = 0xdaefeafc,
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.pdmc_type = 0xadef,
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.pdmc_alen = 4,
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.pdmc_addr = "5678"
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}
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};
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TEST_NLATTR_ARRAY(fd, nlh0, hdrlen,
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init_packet_diag_msg, print_packet_diag_msg,
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PACKET_DIAG_MCLIST, pattern, dml,
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print_packet_diag_mclist);
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static const struct packet_diag_ring pdr = {
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.pdr_block_size = 0xabcdafed,
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.pdr_block_nr = 0xbcadefae,
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.pdr_frame_size = 0xcabdfeac,
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.pdr_frame_nr = 0xdeaeadef,
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.pdr_retire_tmo = 0xedbafeac,
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.pdr_sizeof_priv = 0xfeadeacd,
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.pdr_features = 0xadebadea
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};
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TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_packet_diag_msg, print_packet_diag_msg,
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PACKET_DIAG_RX_RING, pattern, pdr,
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PRINT_FIELD_U("{", pdr, pdr_block_size);
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PRINT_FIELD_U(", ", pdr, pdr_block_nr);
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PRINT_FIELD_U(", ", pdr, pdr_frame_size);
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PRINT_FIELD_U(", ", pdr, pdr_frame_nr);
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PRINT_FIELD_U(", ", pdr, pdr_retire_tmo);
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PRINT_FIELD_U(", ", pdr, pdr_sizeof_priv);
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PRINT_FIELD_U(", ", pdr, pdr_features);
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printf("}"));
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TEST_NLATTR_ARRAY(fd, nlh0, hdrlen,
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init_packet_diag_msg, print_packet_diag_msg,
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PACKET_DIAG_FILTER, pattern, filter,
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print_sock_filter);
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printf("+++ exited with 0 +++\n");
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return 0;
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}
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@ -177,6 +177,7 @@ newfstatat
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nlattr
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nlattr_inet_diag_msg
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nlattr_netlink_diag_msg
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nlattr_packet_diag_msg
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nlattr_unix_diag_msg
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old_mmap
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oldfstat
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