[PATCH v4 09/10] tests: check decoding of NETLINK_SOCK_DIAG AF_INET attribute
JingPiao Chen
chenjingpiao at gmail.com
Tue Jun 20 09:23:54 UTC 2017
* tests/nlattr_inet_diag.c: New file.
* tests/gen_tests.in (nlattr_inet_diag): New entry.
* tests/pure_executables.list: Add nlattr_inet_diag.
* tests/.gitignore: Likewise.
---
tests/.gitignore | 1 +
tests/gen_tests.in | 1 +
tests/nlattr_inet_diag.c | 727 ++++++++++++++++++++++++++++++++++++++++++++
tests/pure_executables.list | 1 +
4 files changed, 730 insertions(+)
create mode 100644 tests/nlattr_inet_diag.c
diff --git a/tests/.gitignore b/tests/.gitignore
index fc6c82d..af7cad7 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -210,6 +210,7 @@ netlink_unix_diag
netlink_xfrm
newfstatat
nlattr
+nlattr_inet_diag
nsyscalls
old_mmap
oldfstat
diff --git a/tests/gen_tests.in b/tests/gen_tests.in
index 275d308..ad7d0b8 100644
--- a/tests/gen_tests.in
+++ b/tests/gen_tests.in
@@ -193,6 +193,7 @@ netlink_selinux +netlink_sock_diag.test
netlink_xfrm +netlink_sock_diag.test
newfstatat -a32 -v -P stat.sample -P /dev/full
nlattr +netlink_sock_diag.test
+nlattr_inet_diag +netlink_sock_diag.test
old_mmap -a11 -e trace=mmap
oldfstat -a18 -v -P stat.sample
oldlstat -a32 -v -P stat.sample -P /dev/full
diff --git a/tests/nlattr_inet_diag.c b/tests/nlattr_inet_diag.c
new file mode 100644
index 0000000..ef0000c
--- /dev/null
+++ b/tests/nlattr_inet_diag.c
@@ -0,0 +1,727 @@
+/*
+ * Copyright (c) 2017 JingPiao Chen <chenjingpiao at 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 <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/tcp.h>
+#include <arpa/inet.h>
+#include <linux/inet_diag.h>
+#include <linux/netlink.h>
+#include <linux/rtnetlink.h>
+#include <linux/sock_diag.h>
+
+#if !defined NETLINK_SOCK_DIAG && defined NETLINK_INET_DIAG
+# define NETLINK_SOCK_DIAG NETLINK_INET_DIAG
+#endif
+
+#define INIT_STRUCT(type, name, ...) \
+ do { \
+ type tmp = { __VA_ARGS__ }; \
+ memcpy(name, &tmp, sizeof(tmp)); \
+ } while (0)
+
+static void
+test_inet_diag_meminfo(const int fd)
+{
+ const char address[] = "12.34.56.78";
+ struct nlmsghdr *nlh;
+ struct inet_diag_msg *msg;
+ struct nlattr *nla;
+ struct inet_diag_meminfo *minfo;
+ int nla_len;
+ unsigned msg_len;
+ void *const nlh0 = tail_alloc(NLMSG_SPACE(sizeof(*msg)));
+ long rc;
+
+ /* len < sizeof(*minfo) */
+ nla_len = NLA_HDRLEN + 2;
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - nla_len;
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_MEMINFO
+ };
+ memcpy(RTA_DATA(nla), "12", 2);
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ msg_len, sprintrc(rc));
+
+ /* short read of inet_diag_meminfo */
+ nla_len = NLA_HDRLEN + sizeof(*minfo);
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - (nla_len - 1);
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_MEMINFO
+ };
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ RTA_DATA(nla), msg_len, sprintrc(rc));
+
+ /* inet_diag_meminfo */
+ nla_len = NLA_HDRLEN + sizeof(*minfo);
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - nla_len;
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_MEMINFO
+ };
+ minfo = RTA_DATA(nla);
+ *minfo = (struct inet_diag_meminfo) {
+ .idiag_rmem = 0xfadcacdb,
+ .idiag_wmem = 0xbdabcada,
+ .idiag_fmem = 0xbadbfafb,
+ .idiag_tmem = 0xfdacdadf
+ };
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ 0xfadcacdb, 0xbdabcada, 0xbadbfafb, 0xfdacdadf,
+ msg_len, sprintrc(rc));
+}
+
+static void
+test_inet_diag_vegasinfo(const int fd)
+{
+ const char address[] = "12.34.56.78";
+ struct nlmsghdr *nlh;
+ struct inet_diag_msg *msg;
+ struct nlattr *nla;
+ struct tcpvegas_info *vegas;
+ int nla_len;
+ unsigned msg_len;
+ void *const nlh0 = tail_alloc(NLMSG_SPACE(sizeof(*msg)));
+ long rc;
+
+ /* len < sizeof(*vegas) */
+ nla_len = NLA_HDRLEN + 2;
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - nla_len;
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_VEGASINFO
+ };
+ memcpy(RTA_DATA(nla), "12", 2);
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ msg_len, sprintrc(rc));
+
+ /* short read of tcpvegas_info */
+ nla_len = NLA_HDRLEN + sizeof(*vegas);
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - (nla_len - 1);
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_VEGASINFO
+ };
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ RTA_DATA(nla), msg_len, sprintrc(rc));
+
+ /* tcpvegas_info */
+ nla_len = NLA_HDRLEN + sizeof(*vegas);
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - nla_len;
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_VEGASINFO
+ };
+ vegas = RTA_DATA(nla);
+ *vegas = (struct tcpvegas_info) {
+ .tcpv_enabled = 0xfadcacdb,
+ .tcpv_rttcnt = 0xbdabcada,
+ .tcpv_rtt = 0xbadbfafb,
+ .tcpv_minrtt = 0xfdacdadf
+ };
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ 0xfadcacdb, 0xbdabcada, 0xbadbfafb, 0xfdacdadf,
+ msg_len, sprintrc(rc));
+}
+
+static void
+test_inet_diag_skmeminfo(const int fd)
+{
+ const char address[] = "12.34.56.78";
+ struct nlmsghdr *nlh;
+ struct inet_diag_msg *msg;
+ struct nlattr *nla;
+ uint32_t *mem;
+ int nla_len;
+ unsigned msg_len;
+ void *const nlh0 = tail_alloc(NLMSG_SPACE(sizeof(*msg)));
+ long rc;
+
+ nla_len = NLA_HDRLEN + sizeof(*mem) * 2;
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - nla_len;
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_SKMEMINFO
+ };
+ mem = RTA_DATA(nla);
+ mem[0] = 0xaffacbad;
+ mem[1] = 0xffadbcab;
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ 0xaffacbad, 0xffadbcab, msg_len, sprintrc(rc));
+}
+
+static void
+test_inet_diag_dctcpinfo(const int fd)
+{
+ const char address[] = "12.34.56.78";
+ struct nlmsghdr *nlh;
+ struct inet_diag_msg *msg;
+ struct nlattr *nla;
+ struct tcp_dctcp_info *dctcp;
+ int nla_len;
+ unsigned msg_len;
+ void *const nlh0 = tail_alloc(NLMSG_SPACE(sizeof(*msg)));
+ long rc;
+
+ /* len < sizeof(*dctcp) */
+ nla_len = NLA_HDRLEN + 2;
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - nla_len;
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_DCTCPINFO
+ };
+ memcpy(RTA_DATA(nla), "12", 2);
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ msg_len, sprintrc(rc));
+
+ /* short read of tcp_dctcp_info */
+ nla_len = NLA_HDRLEN + sizeof(*dctcp);
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - (nla_len - 1);
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_DCTCPINFO
+ };
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ RTA_DATA(nla), msg_len, sprintrc(rc));
+
+ /* tcp_dctcp_info */
+ nla_len = NLA_HDRLEN + sizeof(*dctcp);
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - nla_len;
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_DCTCPINFO
+ };
+ dctcp = RTA_DATA(nla);
+ *dctcp = (struct tcp_dctcp_info) {
+ .dctcp_enabled = 0xfdac,
+ .dctcp_ce_state = 0xfadc,
+ .dctcp_alpha = 0xbdabcada,
+ .dctcp_ab_ecn = 0xbadbfafb,
+ .dctcp_ab_tot = 0xfdacdadf
+ };
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ 0xfdac, 0xfadc, 0xbdabcada, 0xbadbfafb, 0xfdacdadf,
+ msg_len, sprintrc(rc));
+}
+
+static void
+test_inet_diag_bbrinfo(const int fd)
+{
+ const char address[] = "12.34.56.78";
+ struct nlmsghdr *nlh;
+ struct inet_diag_msg *msg;
+ struct nlattr *nla;
+ struct tcp_bbr_info *bbr;
+ int nla_len;
+ unsigned msg_len;
+ void *const nlh0 = tail_alloc(NLMSG_SPACE(sizeof(*msg)));
+ long rc;
+
+ /* len < sizeof(*bbf) */
+ nla_len = NLA_HDRLEN + 2;
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - nla_len;
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_BBRINFO
+ };
+ memcpy(RTA_DATA(nla), "12", 2);
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ msg_len, sprintrc(rc));
+
+ /* short read of tcp_bbr_info */
+ nla_len = NLA_HDRLEN + sizeof(*bbr);
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - (nla_len - 1);
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_BBRINFO
+ };
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ RTA_DATA(nla), msg_len, sprintrc(rc));
+
+ /* tcp_bbr_info */
+ nla_len = NLA_HDRLEN + sizeof(*bbr);
+ msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len;
+ nlh = nlh0 - nla_len;
+ INIT_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ msg = NLMSG_DATA(nlh);
+ *msg = (struct inet_diag_msg) {
+ .idiag_family = AF_INET,
+ .idiag_state = TCP_LISTEN,
+ };
+
+ nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg));
+ *nla = (struct nlattr) {
+ .nla_len = nla_len,
+ .nla_type = INET_DIAG_BBRINFO
+ };
+ bbr = RTA_DATA(nla);
+ *bbr = (struct tcp_bbr_info) {
+ .bbr_bw_lo = 0xfdacdadf,
+ .bbr_bw_hi = 0xfadcacdb,
+ .bbr_min_rtt = 0xbdabcada,
+ .bbr_pacing_gain = 0xbadbfafb,
+ .bbr_cwnd_gain = 0xfdacdadf
+ };
+
+ if (!inet_pton(AF_INET, address, msg->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, msg->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ 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->nla_len,
+ 0xfdacdadf, 0xfadcacdb, 0xbdabcada, 0xbadbfafb, 0xfdacdadf,
+ 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;
+}
diff --git a/tests/pure_executables.list b/tests/pure_executables.list
index b0c52c6..9bbbac7 100755
--- a/tests/pure_executables.list
+++ b/tests/pure_executables.list
@@ -175,6 +175,7 @@ netlink_sock_diag
netlink_xfrm
newfstatat
nlattr
+nlattr_inet_diag
old_mmap
oldfstat
oldlstat
--
2.7.4
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