/*
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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* Copyright (c) 2017-2018 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 "test_nlattr.h"
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#include <linux/netlink_diag.h>
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#include <linux/sock_diag.h>
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static void
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init_netlink_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 netlink_diag_msg *const msg = NLMSG_DATA(nlh);
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SET_STRUCT(struct netlink_diag_msg, msg,
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.ndiag_family = AF_NETLINK,
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.ndiag_type = SOCK_RAW,
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.ndiag_protocol = NETLINK_ROUTE,
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.ndiag_state = NETLINK_CONNECTED
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);
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}
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static void
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print_netlink_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}, {ndiag_family=AF_NETLINK"
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", ndiag_type=SOCK_RAW, ndiag_protocol=NETLINK_ROUTE"
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", ndiag_state=NETLINK_CONNECTED, ndiag_portid=0"
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", ndiag_dst_portid=0, ndiag_dst_group=0, ndiag_ino=0"
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", ndiag_cookie=[0, 0]}",
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msg_len);
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}
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static void
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print_xlong(const unsigned long *p, size_t i)
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{
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printf("%#lx", *p);
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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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static const unsigned long groups[] = {
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(unsigned long) 0xdeadbeefbadc0dedULL,
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(unsigned long) 0xdeadbeefbadc0dedULL
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};
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static const struct netlink_diag_ring ndr = {
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.ndr_block_size = 0xfabfabdc,
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.ndr_block_nr = 0xabcdabda,
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.ndr_frame_size = 0xcbadbafa,
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.ndr_frame_nr = 0xdbcafadb
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};
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static const uint32_t flags =
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NDIAG_FLAG_CB_RUNNING | NDIAG_FLAG_PKTINFO;
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const int fd = create_nl_socket(NETLINK_SOCK_DIAG);
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const unsigned int hdrlen = sizeof(struct netlink_diag_msg);
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void *const nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
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NLA_HDRLEN +
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MAX(sizeof(groups), sizeof(ndr)));
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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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TEST_NLATTR_ARRAY(fd, nlh0, hdrlen,
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init_netlink_diag_msg, print_netlink_diag_msg,
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NETLINK_DIAG_GROUPS, pattern, groups, print_xlong);
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TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_netlink_diag_msg, print_netlink_diag_msg,
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NETLINK_DIAG_RX_RING, pattern, ndr,
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PRINT_FIELD_U("{", ndr, ndr_block_size);
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PRINT_FIELD_U(", ", ndr, ndr_block_nr);
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PRINT_FIELD_U(", ", ndr, ndr_frame_size);
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PRINT_FIELD_U(", ", ndr, ndr_frame_nr);
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printf("}"));
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TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_netlink_diag_msg, print_netlink_diag_msg,
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NETLINK_DIAG_FLAGS, pattern, flags,
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printf("NDIAG_FLAG_CB_RUNNING|NDIAG_FLAG_PKTINFO"));
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puts("+++ exited with 0 +++");
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return 0;
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}
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