d4b9472d5f
* tests/nlattr_unix_diag_msg.c: New file. * tests/gen_tests.in (nlattr_unix_diag_msg): New entry. * tests/pure_executables.list: Add nlattr_unix_diag_msg. * tests/.gitignore: Likewise.
329 lines
10 KiB
C
329 lines
10 KiB
C
/*
|
|
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
|
|
* Copyright (c) 2017 The strace developers.
|
|
* 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 "netlink.h"
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/tcp.h>
|
|
#include <linux/rtnetlink.h>
|
|
#include <linux/sock_diag.h>
|
|
#include <linux/unix_diag.h>
|
|
|
|
static void
|
|
init_unix_diag_msg(struct nlmsghdr *nlh, unsigned int msg_len)
|
|
{
|
|
struct unix_diag_msg *msg;
|
|
|
|
SET_STRUCT(struct nlmsghdr, nlh,
|
|
.nlmsg_len = msg_len,
|
|
.nlmsg_type = SOCK_DIAG_BY_FAMILY,
|
|
.nlmsg_flags = NLM_F_DUMP
|
|
);
|
|
|
|
msg = NLMSG_DATA(nlh);
|
|
SET_STRUCT(struct unix_diag_msg, msg,
|
|
.udiag_family = AF_UNIX,
|
|
.udiag_type = SOCK_STREAM,
|
|
.udiag_state = TCP_FIN_WAIT1
|
|
);
|
|
}
|
|
|
|
static void
|
|
test_unix_diag_vfs(const int fd)
|
|
{
|
|
const int hdrlen = sizeof(struct unix_diag_msg);
|
|
struct nlmsghdr *nlh;
|
|
struct nlattr *nla;
|
|
unsigned int nla_len;
|
|
unsigned int msg_len;
|
|
void *const nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
|
|
long rc;
|
|
|
|
/* len < sizeof(struct unix_diag_vfs) */
|
|
nla_len = NLA_HDRLEN + 2;
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_unix_diag_msg(nlh, msg_len);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = UNIX_DIAG_VFS
|
|
);
|
|
memcpy(RTA_DATA(nla), "12", 2);
|
|
|
|
rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
|
|
|
|
printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
|
|
", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
|
|
", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
|
|
", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
|
|
", nla_type=UNIX_DIAG_VFS}, \"12\"}}"
|
|
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, nla_len, msg_len, sprintrc(rc));
|
|
|
|
/* short read of unix_diag_vfs */
|
|
nla_len = NLA_HDRLEN + sizeof(struct unix_diag_vfs);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - (nla_len - 1);
|
|
init_unix_diag_msg(nlh, msg_len);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = UNIX_DIAG_VFS
|
|
);
|
|
|
|
rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
|
|
|
|
printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
|
|
", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
|
|
", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
|
|
", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
|
|
", nla_type=UNIX_DIAG_VFS}, %p}}"
|
|
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, nla_len, RTA_DATA(nla), msg_len, sprintrc(rc));
|
|
|
|
/* unix_diag_vfs */
|
|
nla_len = NLA_HDRLEN + sizeof(struct unix_diag_vfs);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_unix_diag_msg(nlh, msg_len);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = UNIX_DIAG_VFS
|
|
);
|
|
static const struct unix_diag_vfs uv = {
|
|
.udiag_vfs_dev = 0xabcddafa,
|
|
.udiag_vfs_ino = 0xbafabcda
|
|
};
|
|
memcpy(RTA_DATA(nla), &uv, sizeof(uv));
|
|
|
|
rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
|
|
|
|
printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
|
|
", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
|
|
", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
|
|
", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
|
|
", nla_type=UNIX_DIAG_VFS}, {udiag_vfs_dev=makedev(%u, %u)"
|
|
", udiag_vfs_ino=%u}}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, nla_len, major(uv.udiag_vfs_dev),
|
|
minor(uv.udiag_vfs_dev), uv.udiag_vfs_ino,
|
|
msg_len, sprintrc(rc));
|
|
}
|
|
|
|
static void
|
|
test_unix_diag_icons(const int fd)
|
|
{
|
|
const int hdrlen = sizeof(struct unix_diag_msg);
|
|
struct nlmsghdr *nlh;
|
|
struct nlattr *nla;
|
|
unsigned int nla_len;
|
|
unsigned int msg_len;
|
|
void *const nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
|
|
long rc;
|
|
|
|
/* len < sizeof(uint32_t) */
|
|
nla_len = NLA_HDRLEN + 2;
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_unix_diag_msg(nlh, msg_len);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = UNIX_DIAG_ICONS
|
|
);
|
|
memcpy(RTA_DATA(nla), "12", 2);
|
|
|
|
rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
|
|
|
|
printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
|
|
", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
|
|
", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
|
|
", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
|
|
", nla_type=UNIX_DIAG_ICONS}, \"12\"}}, %u"
|
|
", MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, nla_len, msg_len, sprintrc(rc));
|
|
|
|
/* len == sizeof(uint32_t) * 2 - 1 */
|
|
nla_len = NLA_HDRLEN + sizeof(uint32_t) * 2 - 1;
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_unix_diag_msg(nlh, msg_len);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = UNIX_DIAG_ICONS
|
|
);
|
|
static const uint32_t inode[] = { 0xadbcadbc, 0xfabdcdac };
|
|
memcpy(RTA_DATA(nla), inode, sizeof(inode[0]));
|
|
|
|
rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
|
|
|
|
printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
|
|
", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
|
|
", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
|
|
", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
|
|
", nla_type=UNIX_DIAG_ICONS}, [%u]}}, %u"
|
|
", MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, nla_len, inode[0], msg_len, sprintrc(rc));
|
|
|
|
/* len == sizeof(uint32_t) * 2 */
|
|
nla_len = NLA_HDRLEN + sizeof(uint32_t) * 2;
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_unix_diag_msg(nlh, msg_len);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = UNIX_DIAG_ICONS
|
|
);
|
|
memcpy(RTA_DATA(nla), inode, sizeof(inode));
|
|
|
|
rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
|
|
|
|
printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
|
|
", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
|
|
", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
|
|
", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
|
|
", nla_type=UNIX_DIAG_ICONS}, [%u, %u]}}, %u"
|
|
", MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, nla_len,
|
|
inode[0], inode[1], msg_len, sprintrc(rc));
|
|
}
|
|
|
|
static void
|
|
test_unix_diag_rqlen(const int fd)
|
|
{
|
|
const int hdrlen = sizeof(struct unix_diag_msg);
|
|
struct nlmsghdr *nlh;
|
|
struct nlattr *nla;
|
|
unsigned int nla_len;
|
|
unsigned int msg_len;
|
|
void *const nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
|
|
long rc;
|
|
|
|
/* len < sizeof(struct unix_diag_rqlen) */
|
|
nla_len = NLA_HDRLEN + 2;
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_unix_diag_msg(nlh, msg_len);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = UNIX_DIAG_RQLEN
|
|
);
|
|
memcpy(RTA_DATA(nla), "12", 2);
|
|
|
|
rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
|
|
|
|
printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
|
|
", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
|
|
", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
|
|
", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
|
|
", nla_type=UNIX_DIAG_RQLEN}, \"12\"}}"
|
|
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, nla_len, msg_len, sprintrc(rc));
|
|
|
|
/* short read of unix_diag_rqlen */
|
|
nla_len = NLA_HDRLEN + sizeof(struct unix_diag_rqlen);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - (nla_len - 1);
|
|
init_unix_diag_msg(nlh, msg_len);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = UNIX_DIAG_RQLEN
|
|
);
|
|
|
|
rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
|
|
|
|
printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
|
|
", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
|
|
", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
|
|
", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
|
|
", nla_type=UNIX_DIAG_RQLEN}, %p}}"
|
|
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, nla_len, RTA_DATA(nla),
|
|
msg_len, sprintrc(rc));
|
|
|
|
/* unix_diag_rqlen */
|
|
nla_len = NLA_HDRLEN + sizeof(struct unix_diag_rqlen);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_unix_diag_msg(nlh, msg_len);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = UNIX_DIAG_RQLEN
|
|
);
|
|
static const struct unix_diag_rqlen rql = {
|
|
.udiag_rqueue = 0xfabdcdad,
|
|
.udiag_wqueue = 0xbacdadcf
|
|
};
|
|
memcpy(RTA_DATA(nla), &rql, sizeof(rql));
|
|
|
|
rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
|
|
|
|
printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
|
|
", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
|
|
", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
|
|
", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
|
|
", nla_type=UNIX_DIAG_RQLEN}, {udiag_rqueue=%u"
|
|
", udiag_wqueue=%u}}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, nla_len, rql.udiag_rqueue,
|
|
rql.udiag_wqueue, msg_len, sprintrc(rc));
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
skip_if_unavailable("/proc/self/fd/");
|
|
|
|
int fd = create_nl_socket(NETLINK_SOCK_DIAG);
|
|
|
|
test_unix_diag_vfs(fd);
|
|
test_unix_diag_icons(fd);
|
|
test_unix_diag_rqlen(fd);
|
|
|
|
printf("+++ exited with 0 +++\n");
|
|
|
|
return 0;
|
|
}
|