16ebda581e
* tests/nlattr_inet_diag_msg.c: New file. * tests/gen_tests.in (nlattr_inet_diag_msg): New entry. * tests/pure_executables.list: Add nlattr_inet_diag_msg. * tests/.gitignore: Likewise.
603 lines
21 KiB
C
603 lines
21 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 <sys/socket.h>
|
|
#include <netinet/tcp.h>
|
|
#include <arpa/inet.h>
|
|
#include <linux/inet_diag.h>
|
|
#include <linux/rtnetlink.h>
|
|
#include <linux/sock_diag.h>
|
|
|
|
static void
|
|
init_inet_diag_msg(struct nlmsghdr *nlh, unsigned int msg_len,
|
|
const char *address)
|
|
{
|
|
struct inet_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 inet_diag_msg, msg,
|
|
.idiag_family = AF_INET,
|
|
.idiag_state = TCP_LISTEN
|
|
);
|
|
|
|
if (!inet_pton(AF_INET, address, msg->id.idiag_src) ||
|
|
!inet_pton(AF_INET, address, msg->id.idiag_dst))
|
|
perror_msg_and_skip("inet_pton");
|
|
}
|
|
|
|
static void
|
|
test_inet_diag_meminfo(const int fd)
|
|
{
|
|
const int hdrlen = sizeof(struct inet_diag_msg);
|
|
const char address[] = "87.65.43.21";
|
|
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 inet_diag_meminfo) */
|
|
nla_len = NLA_HDRLEN + 2;
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_MEMINFO
|
|
);
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_MEMINFO}"
|
|
", \"12\"}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
msg_len, sprintrc(rc));
|
|
|
|
/* short read of inet_diag_meminfo */
|
|
nla_len = NLA_HDRLEN + sizeof(struct inet_diag_meminfo);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - (nla_len - 1);
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_MEMINFO
|
|
);
|
|
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_MEMINFO}"
|
|
", %p}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
RTA_DATA(nla), msg_len, sprintrc(rc));
|
|
|
|
/* inet_diag_meminfo */
|
|
nla_len = NLA_HDRLEN + sizeof(struct inet_diag_meminfo);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_MEMINFO
|
|
);
|
|
static const struct inet_diag_meminfo minfo = {
|
|
.idiag_rmem = 0xfadcacdb,
|
|
.idiag_wmem = 0xbdabcada,
|
|
.idiag_fmem = 0xbadbfafb,
|
|
.idiag_tmem = 0xfdacdadf
|
|
};
|
|
memcpy(RTA_DATA(nla), &minfo, sizeof(minfo));
|
|
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_MEMINFO}"
|
|
", {idiag_rmem=%u, idiag_wmem=%u, idiag_fmem=%u, idiag_tmem=%u}}}"
|
|
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
minfo.idiag_rmem, minfo.idiag_wmem,
|
|
minfo.idiag_fmem, minfo.idiag_tmem,
|
|
msg_len, sprintrc(rc));
|
|
}
|
|
|
|
static void
|
|
test_inet_diag_vegasinfo(const int fd)
|
|
{
|
|
const int hdrlen = sizeof(struct inet_diag_msg);
|
|
const char address[] = "87.65.43.21";
|
|
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 tcpvegas_info) */
|
|
nla_len = NLA_HDRLEN + 2;
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_VEGASINFO
|
|
);
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_VEGASINFO}"
|
|
", \"12\"}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
msg_len, sprintrc(rc));
|
|
|
|
/* short read of tcpvegas_info */
|
|
nla_len = NLA_HDRLEN + sizeof(struct tcpvegas_info);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - (nla_len - 1);
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_VEGASINFO
|
|
);
|
|
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_VEGASINFO}"
|
|
", %p}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
RTA_DATA(nla), msg_len, sprintrc(rc));
|
|
|
|
/* tcpvegas_info */
|
|
nla_len = NLA_HDRLEN + sizeof(struct tcpvegas_info);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_VEGASINFO
|
|
);
|
|
static const struct tcpvegas_info vegas = {
|
|
.tcpv_enabled = 0xfadcacdb,
|
|
.tcpv_rttcnt = 0xbdabcada,
|
|
.tcpv_rtt = 0xbadbfafb,
|
|
.tcpv_minrtt = 0xfdacdadf
|
|
};
|
|
memcpy(RTA_DATA(nla), &vegas, sizeof(vegas));
|
|
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_VEGASINFO}"
|
|
", {tcpv_enabled=%u, tcpv_rttcnt=%u, tcpv_rtt=%u"
|
|
", tcpv_minrtt=%u}}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
vegas.tcpv_enabled, vegas.tcpv_rttcnt,
|
|
vegas.tcpv_rtt, vegas.tcpv_minrtt,
|
|
msg_len, sprintrc(rc));
|
|
}
|
|
|
|
static void
|
|
test_inet_diag_skmeminfo(const int fd)
|
|
{
|
|
const int hdrlen = sizeof(struct inet_diag_msg);
|
|
const char address[] = "87.65.43.21";
|
|
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_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_SKMEMINFO
|
|
);
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u"
|
|
", nla_type=INET_DIAG_SKMEMINFO}, \"12\"}}"
|
|
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, 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_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_SKMEMINFO
|
|
);
|
|
static const uint32_t mem[] = { 0xaffacbad, 0xffadbcab };
|
|
memcpy(RTA_DATA(nla), mem, sizeof(mem[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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_SKMEMINFO}"
|
|
", [%u]}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
mem[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_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_SKMEMINFO
|
|
);
|
|
memcpy(RTA_DATA(nla), mem, sizeof(mem));
|
|
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_SKMEMINFO}"
|
|
", [%u, %u]}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
mem[0], mem[1], msg_len, sprintrc(rc));
|
|
}
|
|
|
|
static void
|
|
test_inet_diag_dctcpinfo(const int fd)
|
|
{
|
|
const int hdrlen = sizeof(struct inet_diag_msg);
|
|
const char address[] = "87.65.43.21";
|
|
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 tcp_dctcp_info) */
|
|
nla_len = NLA_HDRLEN + 2;
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_DCTCPINFO
|
|
);
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_DCTCPINFO}"
|
|
", \"12\"}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
msg_len, sprintrc(rc));
|
|
|
|
/* short read of tcp_dctcp_info */
|
|
nla_len = NLA_HDRLEN + sizeof(struct tcp_dctcp_info);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - (nla_len - 1);
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_DCTCPINFO
|
|
);
|
|
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_DCTCPINFO}"
|
|
", %p}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
RTA_DATA(nla), msg_len, sprintrc(rc));
|
|
|
|
/* tcp_dctcp_info */
|
|
nla_len = NLA_HDRLEN + sizeof(struct tcp_dctcp_info);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_DCTCPINFO
|
|
);
|
|
static const struct tcp_dctcp_info dctcp = {
|
|
.dctcp_enabled = 0xfdac,
|
|
.dctcp_ce_state = 0xfadc,
|
|
.dctcp_alpha = 0xbdabcada,
|
|
.dctcp_ab_ecn = 0xbadbfafb,
|
|
.dctcp_ab_tot = 0xfdacdadf
|
|
};
|
|
memcpy(RTA_DATA(nla), &dctcp, sizeof(dctcp));
|
|
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_DCTCPINFO}"
|
|
", {dctcp_enabled=%u, dctcp_ce_state=%u"
|
|
", dctcp_alpha=%u, dctcp_ab_ecn=%u, dctcp_ab_tot=%u}}}"
|
|
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
dctcp.dctcp_enabled, dctcp.dctcp_ce_state,
|
|
dctcp.dctcp_alpha, dctcp.dctcp_ab_ecn,
|
|
dctcp.dctcp_ab_tot, msg_len, sprintrc(rc));
|
|
}
|
|
|
|
static void
|
|
test_inet_diag_bbrinfo(const int fd)
|
|
{
|
|
const int hdrlen = sizeof(struct inet_diag_msg);
|
|
const char address[] = "12.34.56.78";
|
|
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 tcp_bbr_info) */
|
|
nla_len = NLA_HDRLEN + 2;
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_BBRINFO
|
|
);
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_BBRINFO}"
|
|
", \"12\"}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
msg_len, sprintrc(rc));
|
|
|
|
/* short read of tcp_bbr_info */
|
|
nla_len = NLA_HDRLEN + sizeof(struct tcp_bbr_info);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - (nla_len - 1);
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_BBRINFO
|
|
);
|
|
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_BBRINFO}"
|
|
", %p}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
RTA_DATA(nla), msg_len, sprintrc(rc));
|
|
|
|
/* tcp_bbr_info */
|
|
nla_len = NLA_HDRLEN + sizeof(struct tcp_bbr_info);
|
|
msg_len = NLMSG_SPACE(hdrlen) + nla_len;
|
|
nlh = nlh0 - nla_len;
|
|
init_inet_diag_msg(nlh, msg_len, address);
|
|
|
|
nla = NLMSG_ATTR(nlh, hdrlen);
|
|
SET_STRUCT(struct nlattr, nla,
|
|
.nla_len = nla_len,
|
|
.nla_type = INET_DIAG_BBRINFO
|
|
);
|
|
static const struct tcp_bbr_info bbr = {
|
|
.bbr_bw_lo = 0xfdacdadf,
|
|
.bbr_bw_hi = 0xfadcacdb,
|
|
.bbr_min_rtt = 0xbdabcada,
|
|
.bbr_pacing_gain = 0xbadbfafb,
|
|
.bbr_cwnd_gain = 0xfdacdadf
|
|
};
|
|
memcpy(RTA_DATA(nla), &bbr, sizeof(bbr));
|
|
|
|
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}, {idiag_family=AF_INET"
|
|
", idiag_state=TCP_LISTEN, idiag_timer=0, idiag_retrans=0"
|
|
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_src)"
|
|
", inet_pton(AF_INET, \"%s\", &idiag_dst)"
|
|
", idiag_if=0, idiag_cookie=[0, 0]}, idiag_expires=0"
|
|
", idiag_rqueue=0, idiag_wqueue=0, idiag_uid=0"
|
|
", idiag_inode=0}, {{nla_len=%u, nla_type=INET_DIAG_BBRINFO}"
|
|
", {bbr_bw_lo=%#x, bbr_bw_hi=%#x, bbr_min_rtt=%u"
|
|
", bbr_pacing_gain=%u, bbr_cwnd_gain=%u}}}"
|
|
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
|
|
fd, msg_len, address, address, nla_len,
|
|
bbr.bbr_bw_lo, bbr.bbr_bw_hi, bbr.bbr_min_rtt,
|
|
bbr.bbr_pacing_gain, bbr.bbr_cwnd_gain,
|
|
msg_len, sprintrc(rc));
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
skip_if_unavailable("/proc/self/fd/");
|
|
|
|
int fd = create_nl_socket(NETLINK_SOCK_DIAG);
|
|
|
|
test_inet_diag_meminfo(fd);
|
|
test_inet_diag_vegasinfo(fd);
|
|
test_inet_diag_skmeminfo(fd);
|
|
test_inet_diag_dctcpinfo(fd);
|
|
test_inet_diag_bbrinfo(fd);
|
|
|
|
printf("+++ exited with 0 +++\n");
|
|
|
|
return 0;
|
|
}
|