1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2024 Gleb Smirnoff <glebius@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <sys/socket.h>
29 #include <netinet/in.h>
30 #include <netgraph.h>
31 #include <netgraph/ng_socket.h>
32 #include <netgraph/ng_ksocket.h>
33
34 #include <errno.h>
35
36 #include <atf-c.h>
37
38 static void
hellocheck(int wr,int rd)39 hellocheck(int wr, int rd)
40 {
41 char sbuf[] = "Hello, peer!", rbuf[sizeof(sbuf)];
42
43 ATF_REQUIRE(send(wr, sbuf, sizeof(sbuf), 0) == sizeof(sbuf));
44 ATF_REQUIRE(recv(rd, rbuf, sizeof(rbuf), 0) == sizeof(sbuf));
45 ATF_REQUIRE(strcmp(sbuf, rbuf) == 0);
46 }
47
48 #define OURHOOK "ks"
49
50 ATF_TC_WITHOUT_HEAD(udp_connect);
ATF_TC_BODY(udp_connect,tc)51 ATF_TC_BODY(udp_connect, tc)
52 {
53 struct ngm_mkpeer mkp = {
54 .type = NG_KSOCKET_NODE_TYPE,
55 .ourhook = OURHOOK,
56 .peerhook = "inet/dgram/udp",
57 };
58 struct sockaddr_in sin = {
59 .sin_family = AF_INET,
60 .sin_addr.s_addr = htonl(INADDR_LOOPBACK),
61 .sin_len = sizeof(sin),
62 };
63 socklen_t slen = sizeof(sin);
64 int cs, ds, us;
65
66 ATF_REQUIRE((us = socket(PF_INET, SOCK_DGRAM, 0)) > 0);
67 ATF_REQUIRE(bind(us, (struct sockaddr *)&sin, sizeof(sin)) == 0);
68 ATF_REQUIRE(getsockname(us, (struct sockaddr *)&sin, &slen) == 0);
69
70 ATF_REQUIRE(NgMkSockNode(NULL, &cs, &ds) == 0);
71 ATF_REQUIRE(NgSendMsg(cs, ".", NGM_GENERIC_COOKIE, NGM_MKPEER, &mkp,
72 sizeof(mkp)) >= 0);
73 ATF_REQUIRE(NgSendMsg(cs, ".:" OURHOOK, NGM_KSOCKET_COOKIE,
74 NGM_KSOCKET_CONNECT, &sin, sizeof(sin)) >= 0);
75
76 hellocheck(ds, us);
77 }
78
79 ATF_TC_WITHOUT_HEAD(udp_bind);
ATF_TC_BODY(udp_bind,tc)80 ATF_TC_BODY(udp_bind, tc)
81 {
82 struct ngm_mkpeer mkp = {
83 .type = NG_KSOCKET_NODE_TYPE,
84 .ourhook = OURHOOK,
85 .peerhook = "inet/dgram/udp",
86 };
87 struct sockaddr_in sin = {
88 .sin_family = AF_INET,
89 .sin_addr.s_addr = htonl(INADDR_LOOPBACK),
90 .sin_len = sizeof(sin),
91 };
92 struct ng_mesg *rep;
93 int cs, ds, us;
94
95 ATF_REQUIRE(NgMkSockNode(NULL, &cs, &ds) == 0);
96 ATF_REQUIRE(NgSendMsg(cs, ".", NGM_GENERIC_COOKIE, NGM_MKPEER, &mkp,
97 sizeof(mkp)) >= 0);
98 ATF_REQUIRE(NgSendMsg(cs, ".:" OURHOOK, NGM_KSOCKET_COOKIE,
99 NGM_KSOCKET_BIND, &sin, sizeof(sin)) >= 0);
100 ATF_REQUIRE(NgSendMsg(cs, ".:" OURHOOK, NGM_KSOCKET_COOKIE,
101 NGM_KSOCKET_GETNAME, NULL, 0) >= 0);
102 ATF_REQUIRE(NgAllocRecvMsg(cs, &rep, NULL) == sizeof(struct ng_mesg) +
103 sizeof(struct sockaddr_in));
104
105 ATF_REQUIRE((us = socket(PF_INET, SOCK_DGRAM, 0)) > 0);
106 ATF_REQUIRE(connect(us, (struct sockaddr *)rep->data,
107 sizeof(struct sockaddr_in)) == 0);
108
109 hellocheck(us, ds);
110 }
111
112 ATF_TC_WITHOUT_HEAD(udp6_connect);
ATF_TC_BODY(udp6_connect,tc)113 ATF_TC_BODY(udp6_connect, tc)
114 {
115 struct ngm_mkpeer mkp = {
116 .type = NG_KSOCKET_NODE_TYPE,
117 .ourhook = OURHOOK,
118 .peerhook = "inet6/dgram/udp6",
119 };
120 struct sockaddr_in6 sin6 = {
121 .sin6_family = AF_INET6,
122 };
123 socklen_t slen = sizeof(sin6);
124 int cs, ds, us;
125
126 ATF_REQUIRE((us = socket(PF_INET6, SOCK_DGRAM, 0)) > 0);
127 ATF_REQUIRE(bind(us, (struct sockaddr *)&sin6, sizeof(sin6)) == 0);
128 ATF_REQUIRE(getsockname(us, (struct sockaddr *)&sin6, &slen) == 0);
129
130 ATF_REQUIRE(NgMkSockNode(NULL, &cs, &ds) == 0);
131 ATF_REQUIRE(NgSendMsg(cs, ".", NGM_GENERIC_COOKIE, NGM_MKPEER, &mkp,
132 sizeof(mkp)) >= 0);
133 ATF_REQUIRE(NgSendMsg(cs, ".:" OURHOOK, NGM_KSOCKET_COOKIE,
134 NGM_KSOCKET_CONNECT, &sin6, sizeof(sin6)) >= 0);
135
136 hellocheck(ds, us);
137 }
138
139
140 ATF_TC_WITHOUT_HEAD(udp6_bind);
ATF_TC_BODY(udp6_bind,tc)141 ATF_TC_BODY(udp6_bind, tc)
142 {
143 struct ngm_mkpeer mkp = {
144 .type = NG_KSOCKET_NODE_TYPE,
145 .ourhook = OURHOOK,
146 .peerhook = "inet6/dgram/udp6",
147 };
148 struct sockaddr_in6 sin6 = {
149 .sin6_family = AF_INET6,
150 .sin6_len = sizeof(sin6),
151 };
152 struct ng_mesg *rep;
153 int cs, ds, us;
154
155 ATF_REQUIRE(NgMkSockNode(NULL, &cs, &ds) == 0);
156 ATF_REQUIRE(NgSendMsg(cs, ".", NGM_GENERIC_COOKIE, NGM_MKPEER, &mkp,
157 sizeof(mkp)) >= 0);
158 ATF_REQUIRE(NgSendMsg(cs, ".:" OURHOOK, NGM_KSOCKET_COOKIE,
159 NGM_KSOCKET_BIND, &sin6, sizeof(sin6)) >= 0);
160 ATF_REQUIRE(NgSendMsg(cs, ".:" OURHOOK, NGM_KSOCKET_COOKIE,
161 NGM_KSOCKET_GETNAME, NULL, 0) >= 0);
162 ATF_REQUIRE(NgAllocRecvMsg(cs, &rep, NULL) == sizeof(struct ng_mesg) +
163 sizeof(struct sockaddr_in6));
164
165 ATF_REQUIRE((us = socket(PF_INET6, SOCK_DGRAM, 0)) > 0);
166 ATF_REQUIRE(connect(us, (struct sockaddr *)rep->data,
167 sizeof(struct sockaddr_in6)) == 0);
168
169 hellocheck(us, ds);
170 }
171
ATF_TP_ADD_TCS(tp)172 ATF_TP_ADD_TCS(tp)
173 {
174 ATF_TP_ADD_TC(tp, udp_connect);
175 ATF_TP_ADD_TC(tp, udp_bind);
176 ATF_TP_ADD_TC(tp, udp6_connect);
177 ATF_TP_ADD_TC(tp, udp6_bind);
178
179 return (atf_no_error());
180 }
181