* tests/netlink_sock_diag.c: Include <arpa/inet.h>
and <linux/inet_diag.h>.
(test_inet_diag_sockid, test_inet_diag_req)
(test_inet_diag_req_v2, test_inet_diag_msg): New functions.
(mian): Use them.
Co-authored-by: Fabien Siron <fabien.si...@epita.fr>
---
tests/netlink_sock_diag.c | 435 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 435 insertions(+)
diff --git a/tests/netlink_sock_diag.c b/tests/netlink_sock_diag.c
index 9326aad..83e98a3 100644
--- a/tests/netlink_sock_diag.c
+++ b/tests/netlink_sock_diag.c
@@ -33,8 +33,10 @@
#include <stdint.h>
#include <unistd.h>
#include <sys/socket.h>
+#include <arpa/inet.h>
#include <netinet/tcp.h>
#include <linux/if_ether.h>
+#include <linux/inet_diag.h>
#include <linux/netlink.h>
#include <linux/netlink_diag.h>
#include <linux/packet_diag.h>
@@ -860,6 +862,435 @@ test_packet_diag_msg(const int fd)
sprintrc(rc));
}
+static void
+test_inet_diag_sockid(const int fd)
+{
+ const char address[] = "12.34.56.78";
+ const char address6[] = "12:34:56:78:90:ab:cd:ef";
+ struct nlmsghdr *nlh;
+ struct inet_diag_req_v2 *req;
+ void *const nlh0 = tail_alloc(NLMSG_HDRLEN);
+ long rc;
+
+ nlh = nlh0 - sizeof(*req);
+ /* beware of unaligned access to nlh members */
+ *nlh = (struct nlmsghdr) {
+ .nlmsg_len = NLMSG_HDRLEN + sizeof(*req),
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_REQUEST,
+ };
+
+ req = NLMSG_DATA(nlh);
+ *req = (struct inet_diag_req_v2) {
+ .sdiag_family = AF_INET,
+ .idiag_ext = 1 << (INET_DIAG_CONG - 1),
+ .sdiag_protocol = IPPROTO_TCP,
+ .idiag_states = 1 << TCP_CLOSE,
+ .id = {
+ .idiag_sport = 0xfacd,
+ .idiag_dport = 0xdead,
+ .idiag_if = 0xadcdfafc,
+ .idiag_cookie = { 0xdeadbeef, 0xbadc0ded },
+ },
+ };
+
+ if (!inet_pton(AF_INET, address, req->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, req->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ rc = sendto(fd, nlh, nlh->nlmsg_len, MSG_DONTWAIT, NULL, 0);
+
+ printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
+ ", flags=NLM_F_REQUEST, seq=0, pid=0}"
+ ", {sdiag_family=AF_INET, sdiag_protocol=IPPROTO_TCP"
+ ", idiag_ext=(1<<(INET_DIAG_CONG-1))"
+ ", idiag_states=1<<TCP_CLOSE, id={idiag_sport=htons(%u)"
+ ", idiag_dport=htons(%u), inet_pton(AF_INET, \"%s\", idiag_src)"
+ ", inet_pton(AF_INET, \"%s\", idiag_dst), idiag_if=%u"
+ ", idiag_cookie=[%u, %u]}}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, nlh->nlmsg_len, ntohs(0xfacd), ntohs(0xdead),
+ address, address, 0xadcdfafc, 0xdeadbeef,
+ 0xbadc0ded, nlh->nlmsg_len, sprintrc(rc));
+
+ req->sdiag_family = AF_INET6;
+ if (!inet_pton(AF_INET6, address6, req->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET6, address6, req->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ rc = sendto(fd, nlh, nlh->nlmsg_len, MSG_DONTWAIT, NULL, 0);
+
+ printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
+ ", flags=NLM_F_REQUEST, seq=0, pid=0}"
+ ", {sdiag_family=AF_INET6, sdiag_protocol=IPPROTO_TCP"
+ ", idiag_ext=(1<<(INET_DIAG_CONG-1))"
+ ", idiag_states=1<<TCP_CLOSE, id={idiag_sport=htons(%u)"
+ ", idiag_dport=htons(%u), inet_pton(AF_INET6, \"%s\", idiag_src)"
+ ", inet_pton(AF_INET6, \"%s\", idiag_dst), idiag_if=%u"
+ ", idiag_cookie=[%u, %u]}}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, nlh->nlmsg_len, ntohs(0xfacd), ntohs(0xdead),
+ address6, address6, 0xadcdfafc, 0xdeadbeef,
+ 0xbadc0ded, nlh->nlmsg_len, sprintrc(rc));
+}
+
+static void
+test_inet_diag_req(const int fd)
+{
+ const char address[] = "12.34.56.78";
+ struct nlmsghdr *nlh;
+ struct inet_diag_req *req;
+ uint8_t *family;
+ void *const nlh0 = tail_alloc(NLMSG_HDRLEN);
+ long rc;
+
+ /* family only */
+ nlh = nlh0 - sizeof(*family);
+ /* beware of unaligned access to nlh members */
+ *nlh = (struct nlmsghdr) {
+ .nlmsg_len = NLMSG_HDRLEN + sizeof(*family),
+ .nlmsg_type = TCPDIAG_GETSOCK,
+ .nlmsg_flags = NLM_F_REQUEST,
+ };
+
+ family = NLMSG_DATA(nlh);
+ *family = AF_INET;
+
+ rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family), MSG_DONTWAIT,
+ NULL, 0);
+
+ printf("sendto(%d, {{len=%u, type=TCPDIAG_GETSOCK"
+ ", flags=NLM_F_REQUEST, seq=0, pid=0}, {family=AF_INET}}"
+ ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family),
+ NLMSG_HDRLEN + (unsigned int) sizeof(*family),
+ sprintrc(rc));
+
+ /* family and string */
+ nlh = nlh0 - (sizeof(*family) + 4);
+ /* beware of unaligned access to nlh members */
+ *nlh = (struct nlmsghdr) {
+ .nlmsg_len = NLMSG_HDRLEN + sizeof(*family) + 4,
+ .nlmsg_type = TCPDIAG_GETSOCK,
+ .nlmsg_flags = NLM_F_REQUEST,
+ };
+
+ family = NLMSG_DATA(nlh);
+ *family = AF_INET;
+ memcpy(family + 1, "1234", 4);
+
+ rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family) + 4, MSG_DONTWAIT,
+ NULL, 0);
+
+ printf("sendto(%d, {{len=%u, type=TCPDIAG_GETSOCK"
+ ", flags=NLM_F_REQUEST, seq=0, pid=0}"
+ ", {idiag_family=AF_INET, ...}}"
+ ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family) + 4,
+ NLMSG_HDRLEN + (unsigned int) sizeof(*family) + 4,
+ sprintrc(rc));
+
+ /* inet_diag_req */
+ nlh = nlh0 - sizeof(*req);
+ *nlh = (struct nlmsghdr) {
+ .nlmsg_len = NLMSG_HDRLEN + sizeof(*req),
+ .nlmsg_type = TCPDIAG_GETSOCK,
+ .nlmsg_flags = NLM_F_REQUEST,
+ };
+
+ req = NLMSG_DATA(nlh);
+ *req = (struct inet_diag_req) {
+ .idiag_family = AF_INET,
+ .idiag_ext = 1 << (INET_DIAG_TOS - 1),
+ .idiag_src_len = 0xde,
+ .idiag_dst_len = 0xba,
+ .id = {
+ .idiag_sport = 0xdead,
+ .idiag_dport = 0xadcd,
+ .idiag_if = 0xadcdfafc,
+ .idiag_cookie = { 0xdeadbeef, 0xbadc0ded },
+ },
+ .idiag_states = 1 << TCP_LAST_ACK,
+ .idiag_dbs = 0xfacefeed,
+ };
+
+ if (!inet_pton(AF_INET, address, req->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, req->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ rc = sendto(fd, nlh, nlh->nlmsg_len, MSG_DONTWAIT, NULL, 0);
+
+ printf("sendto(%d, {{len=%u, type=TCPDIAG_GETSOCK"
+ ", flags=NLM_F_REQUEST, seq=0, pid=0}"
+ ", {idiag_family=AF_INET, idiag_src_len=%u"
+ ", idiag_dst_len=%u, idiag_ext=(1<<(INET_DIAG_TOS-1))"
+ ", id={idiag_sport=htons(%u), idiag_dport=htons(%u)"
+ ", inet_pton(AF_INET, \"%s\", idiag_src)"
+ ", inet_pton(AF_INET, \"%s\", idiag_dst)"
+ ", idiag_if=%u, idiag_cookie=[%u, %u]}"
+ ", idiag_states=1<<TCP_LAST_ACK, idiag_dbs=%u}}"
+ ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, nlh->nlmsg_len, 0xde, 0xba, ntohs(0xdead),
+ ntohs(0xadcd), address, address, 0xadcdfafc,
+ 0xdeadbeef, 0xbadc0ded, 0xfacefeed,
+ nlh->nlmsg_len, sprintrc(rc));
+
+ /* short read of inet_diag_req */
+ nlh = nlh0 - (sizeof(*req) - 1);
+ /* beware of unaligned access to nlh members */
+ memmove(nlh, nlh0 - sizeof(*req), NLMSG_HDRLEN + sizeof(*req) - 1);
+
+ rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*req), MSG_DONTWAIT,
+ NULL, 0);
+
+ printf("sendto(%d, {{len=%u, type=TCPDIAG_GETSOCK"
+ ", flags=NLM_F_REQUEST, seq=0, pid=0}"
+ ", {idiag_family=AF_INET, %p}}"
+ ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, NLMSG_HDRLEN + (unsigned int) sizeof(*req),
+ NLMSG_DATA(nlh) + 1,
+ NLMSG_HDRLEN + (unsigned int) sizeof(*req),
+ sprintrc(rc));
+}
+
+static void
+test_inet_diag_req_v2(const int fd)
+{
+ const char address[] = "87.65.43.21";
+ struct nlmsghdr *nlh;
+ struct inet_diag_req_v2 *req;
+ uint8_t *family;
+ void *const nlh0 = tail_alloc(NLMSG_HDRLEN);
+ long rc;
+
+ /* family only */
+ nlh = nlh0 - sizeof(*family);
+ /* beware of unaligned access to nlh members */
+ *nlh = (struct nlmsghdr) {
+ .nlmsg_len = NLMSG_HDRLEN + sizeof(*family),
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_REQUEST,
+ };
+
+ family = NLMSG_DATA(nlh);
+ *family = AF_INET;
+
+ rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family), MSG_DONTWAIT,
+ NULL, 0);
+
+ printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
+ ", flags=NLM_F_REQUEST, seq=0, pid=0}, {family=AF_INET}}"
+ ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family),
+ NLMSG_HDRLEN + (unsigned int) sizeof(*family),
+ sprintrc(rc));
+
+ /* family and string */
+ nlh = nlh0 - sizeof(*family) - 4;
+ *nlh = (struct nlmsghdr) {
+ .nlmsg_len = NLMSG_HDRLEN + sizeof(*family) + 4,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_REQUEST,
+ };
+
+ family = NLMSG_DATA(nlh);
+ *family = AF_INET;
+ memcpy(family + 1, "1234", 4);
+
+ rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family) + 4, MSG_DONTWAIT,
+ NULL, 0);
+
+ printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
+ ", flags=NLM_F_REQUEST, seq=0, pid=0}"
+ ", {sdiag_family=AF_INET, ...}}"
+ ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family) + 4,
+ NLMSG_HDRLEN + (unsigned int) sizeof(*family) + 4,
+ sprintrc(rc));
+
+ /* inet_diag_req_v2 */
+ nlh = nlh0 - sizeof(*req);
+ /* beware of unaligned access to nlh members */
+ *nlh = (struct nlmsghdr) {
+ .nlmsg_len = NLMSG_HDRLEN + sizeof(*req),
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_REQUEST,
+ };
+
+ req = NLMSG_DATA(nlh);
+ *req = (struct inet_diag_req_v2) {
+ .sdiag_family = AF_INET,
+ .idiag_ext = 1 << (INET_DIAG_CONG - 1),
+ .sdiag_protocol = IPPROTO_TCP,
+ .idiag_states = 1 << TCP_CLOSE,
+ .id = {
+ .idiag_sport = 0xfacd,
+ .idiag_dport = 0xdead,
+ .idiag_if = 0xadcdfafc,
+ .idiag_cookie = { 0xdeadbeef, 0xbadc0ded },
+ },
+ };
+
+ if (!inet_pton(AF_INET, address, req->id.idiag_src))
+ perror_msg_and_skip("sendto");
+ if (!inet_pton(AF_INET, address, req->id.idiag_dst))
+ perror_msg_and_skip("sendto");
+
+ rc = sendto(fd, nlh, nlh->nlmsg_len, MSG_DONTWAIT, NULL, 0);
+
+ printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
+ ", flags=NLM_F_REQUEST, seq=0, pid=0}"
+ ", {sdiag_family=AF_INET, sdiag_protocol=IPPROTO_TCP"
+ ", idiag_ext=(1<<(INET_DIAG_CONG-1))"
+ ", idiag_states=1<<TCP_CLOSE, id={idiag_sport=htons(%u)"
+ ", idiag_dport=htons(%u), inet_pton(AF_INET, \"%s\", idiag_src)"
+ ", inet_pton(AF_INET, \"%s\", idiag_dst), idiag_if=%u"
+ ", idiag_cookie=[%u, %u]}}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, nlh->nlmsg_len, ntohs(0xfacd), ntohs(0xdead),
+ address, address, 0xadcdfafc, 0xdeadbeef,
+ 0xbadc0ded, nlh->nlmsg_len, sprintrc(rc));
+
+ /* short read of inet_diag_req_v2 */
+ nlh = nlh0 - (sizeof(*req) - 1);
+ /* beware of unaligned access to nlh members */
+ memmove(nlh, nlh0 - sizeof(*req), NLMSG_HDRLEN + sizeof(*req) - 1);
+
+ rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*req), MSG_DONTWAIT,
+ NULL, 0);
+ printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
+ ", flags=NLM_F_REQUEST, seq=0, pid=0}"
+ ", {sdiag_family=AF_INET, %p}}"
+ ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, NLMSG_HDRLEN + (unsigned int) sizeof(*req),
+ NLMSG_DATA(nlh) + 1,
+ NLMSG_HDRLEN + (unsigned int) sizeof(*req),
+ sprintrc(rc));
+}
+
+static void
+test_inet_diag_msg(const int fd)
+{
+ const char address[] = "11.22.33.44";
+ struct nlmsghdr *nlh;
+ struct inet_diag_msg *msg;
+ uint8_t *family;
+ void *const nlh0 = tail_alloc(NLMSG_HDRLEN);
+ long rc;
+
+ /* family only */
+ nlh = nlh0 - sizeof(*family);
+ /* beware of unaligned access to nlh members */
+ *nlh = (struct nlmsghdr) {
+ .nlmsg_len = NLMSG_HDRLEN + sizeof(*family),
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP,
+ };
+
+ family = NLMSG_DATA(nlh);
+ *family = AF_INET;
+
+ rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family), MSG_DONTWAIT,
+ NULL, 0);
+
+ printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
+ ", flags=NLM_F_DUMP, seq=0, pid=0}, {family=AF_INET}}"
+ ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family),
+ NLMSG_HDRLEN + (unsigned int) sizeof(*family),
+ sprintrc(rc));
+
+ /* family and string */
+ nlh = nlh0 - sizeof(*family) - 4;
+ /* beware of unaligned access to nlh members */
+ *nlh = (struct nlmsghdr) {
+ .nlmsg_len = NLMSG_HDRLEN + sizeof(*family) + 4,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP,
+ };
+
+ family = NLMSG_DATA(nlh);
+ *family = AF_INET;
+ memcpy(family + 1, "1234", 4);
+
+ rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*family) + 4, 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, ...}}"
+ ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, NLMSG_HDRLEN + (unsigned int) sizeof(*family) + 4,
+ NLMSG_HDRLEN + (unsigned int) sizeof(*family) + 4,
+ sprintrc(rc));
+
+ /* inet_diag_msg */
+ nlh = nlh0 - sizeof(*msg);
+ *nlh = (struct nlmsghdr) {
+ .nlmsg_len = NLMSG_HDRLEN + sizeof(*msg),
+ .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,
+ .idiag_timer = 0xfa,
+ .idiag_retrans = 0xde,
+ .id = {
+ .idiag_sport = 0xfacf,
+ .idiag_dport = 0xdead,
+ .idiag_if = 0xadcdfafc,
+ .idiag_cookie = { 0xdeadbeef, 0xbadc0ded },
+ },
+ .idiag_expires = 0xfacefeed,
+ .idiag_rqueue = 0xdeadbeef,
+ .idiag_wqueue = 0xadcdfafc,
+ .idiag_uid = 0xdecefaeb,
+ .idiag_inode = 0xbadc0ded,
+ };
+
+ 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, nlh->nlmsg_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=%u, idiag_retrans=%u"
+ ", id={idiag_sport=htons(%u), idiag_dport=htons(%u)"
+ ", inet_pton(AF_INET, \"%s\", idiag_src)"
+ ", inet_pton(AF_INET, \"%s\", idiag_dst)"
+ ", idiag_if=%u, idiag_cookie=[%u, %u]}"
+ ", idiag_expires=%u, idiag_rqueue=%u, idiag_wqueue=%u"
+ ", idiag_uid=%u, idiag_inode=%u}}"
+ ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, nlh->nlmsg_len, 0xfa, 0xde, ntohs(0xfacf), ntohs(0xdead),
+ address, address, 0xadcdfafc, 0xdeadbeef, 0xbadc0ded,
+ 0xfacefeed, 0xdeadbeef, 0xadcdfafc, 0xdecefaeb, 0xbadc0ded,
+ nlh->nlmsg_len, sprintrc(rc));
+
+ /* short read of inet_diag_msg */
+ nlh = nlh0 - (sizeof(*msg) - 1);
+ /* beware of unaligned access to nlh members */
+ memmove(nlh, nlh0 - sizeof(*msg), NLMSG_HDRLEN + sizeof(*msg) - 1);
+
+ rc = sendto(fd, nlh, NLMSG_HDRLEN + sizeof(*msg), 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, %p}}"
+ ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
+ fd, NLMSG_HDRLEN + (unsigned int) sizeof(*msg),
+ NLMSG_DATA(nlh) + 1,
+ NLMSG_HDRLEN + (unsigned int) sizeof(*msg),
+ sprintrc(rc));
+}
+
int
main(void)
{
@@ -877,6 +1308,10 @@ main(void)
test_netlink_diag_msg(fd);
test_packet_diag_req(fd);
test_packet_diag_msg(fd);
+ test_inet_diag_sockid(fd);
+ test_inet_diag_req(fd);
+ test_inet_diag_req_v2(fd);
+ test_inet_diag_msg(fd);
printf("+++ exited with 0 +++\n");
--
2.7.4
------------------------------------------------------------------------------
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