119 lines
3.8 KiB
C
119 lines
3.8 KiB
C
/*
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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 <sys/sysmacros.h>
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#include <netinet/tcp.h>
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#include "test_nlattr.h"
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#include <linux/sock_diag.h>
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#include <linux/unix_diag.h>
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static void
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init_unix_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 unix_diag_msg *const msg = NLMSG_DATA(nlh);
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SET_STRUCT(struct unix_diag_msg, msg,
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.udiag_family = AF_UNIX,
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.udiag_type = SOCK_STREAM,
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.udiag_state = TCP_ESTABLISHED
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);
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}
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static void
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print_unix_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}, {udiag_family=AF_UNIX"
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", udiag_type=SOCK_STREAM, udiag_state=TCP_ESTABLISHED"
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", udiag_ino=0, udiag_cookie=[0, 0]}",
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msg_len);
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}
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static void
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print_uint(const unsigned int *p, size_t i)
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{
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printf("%u", *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 struct unix_diag_vfs uv = {
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.udiag_vfs_dev = 0xabcddafa,
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.udiag_vfs_ino = 0xbafabcda
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};
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static const struct unix_diag_rqlen rql = {
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.udiag_rqueue = 0xfabdcdad,
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.udiag_wqueue = 0xbacdadcf
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};
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static const uint32_t inode[] = { 0xadbcadbc, 0xfabdcdac };
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const int fd = create_nl_socket(NETLINK_SOCK_DIAG);
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const unsigned int hdrlen = sizeof(struct unix_diag_msg);
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void *const nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
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NLA_HDRLEN + sizeof(inode));
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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_OBJECT(fd, nlh0, hdrlen,
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init_unix_diag_msg, print_unix_diag_msg,
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UNIX_DIAG_VFS, pattern, uv,
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printf("{udiag_vfs_dev=makedev(%u, %u)",
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major(uv.udiag_vfs_dev),
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minor(uv.udiag_vfs_dev));
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PRINT_FIELD_U(", ", uv, udiag_vfs_ino);
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printf("}"));
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TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_unix_diag_msg, print_unix_diag_msg,
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UNIX_DIAG_RQLEN, pattern, rql,
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PRINT_FIELD_U("{", rql, udiag_rqueue);
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PRINT_FIELD_U(", ", rql, udiag_wqueue);
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printf("}"));
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TEST_NLATTR_ARRAY(fd, nlh0, hdrlen,
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init_unix_diag_msg, print_unix_diag_msg,
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UNIX_DIAG_ICONS, pattern, inode, print_uint);
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puts("+++ exited with 0 +++");
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return 0;
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}
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