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 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); 51 ATF_TC_BODY(udp_connect, tc) 52 { 53 struct sockaddr sa = { 54 .sa_family = AF_INET, 55 }; 56 socklen_t slen = sizeof(sa); 57 int ds, cs, us; 58 59 ATF_REQUIRE((us = socket(PF_INET, SOCK_DGRAM, 0)) > 0); 60 ATF_REQUIRE(bind(us, &sa, sizeof(sa)) == 0); 61 ATF_REQUIRE(getsockname(us, &sa, &slen) == 0); 62 63 struct ngm_mkpeer mkp = { 64 .type = NG_KSOCKET_NODE_TYPE, 65 .ourhook = OURHOOK, 66 .peerhook = "inet/dgram/udp", 67 }; 68 ATF_REQUIRE(NgMkSockNode(NULL, &cs, &ds) == 0); 69 ATF_REQUIRE(NgSendMsg(cs, ".", NGM_GENERIC_COOKIE, NGM_MKPEER, &mkp, 70 sizeof(mkp)) >= 0); 71 ATF_REQUIRE(NgSendMsg(cs, ".:" OURHOOK, NGM_KSOCKET_COOKIE, 72 NGM_KSOCKET_CONNECT, &sa, sizeof(sa)) >= 0); 73 74 hellocheck(ds, us); 75 } 76 77 ATF_TC_WITHOUT_HEAD(udp_bind); 78 ATF_TC_BODY(udp_bind, tc) 79 { 80 struct sockaddr_in sin = { 81 .sin_family = AF_INET, 82 .sin_len = sizeof(sin), 83 }; 84 struct ng_mesg *rep; 85 int ds, cs, us; 86 87 struct ngm_mkpeer mkp = { 88 .type = NG_KSOCKET_NODE_TYPE, 89 .ourhook = OURHOOK, 90 .peerhook = "inet/dgram/udp", 91 }; 92 ATF_REQUIRE(NgMkSockNode(NULL, &cs, &ds) == 0); 93 ATF_REQUIRE(NgSendMsg(cs, ".", NGM_GENERIC_COOKIE, NGM_MKPEER, &mkp, 94 sizeof(mkp)) >= 0); 95 ATF_REQUIRE(NgSendMsg(cs, ".:" OURHOOK, NGM_KSOCKET_COOKIE, 96 NGM_KSOCKET_BIND, &sin, sizeof(sin)) >= 0); 97 ATF_REQUIRE(NgSendMsg(cs, ".:" OURHOOK, NGM_KSOCKET_COOKIE, 98 NGM_KSOCKET_GETNAME, NULL, 0) >= 0); 99 ATF_REQUIRE(NgAllocRecvMsg(cs, &rep, NULL) == sizeof(struct ng_mesg) + 100 sizeof(struct sockaddr_in)); 101 102 ATF_REQUIRE((us = socket(PF_INET, SOCK_DGRAM, 0)) > 0); 103 ATF_REQUIRE(connect(us, (struct sockaddr *)rep->data, 104 sizeof(struct sockaddr_in)) == 0); 105 106 hellocheck(us, ds); 107 } 108 109 ATF_TP_ADD_TCS(tp) 110 { 111 ATF_TP_ADD_TC(tp, udp_connect); 112 ATF_TP_ADD_TC(tp, udp_bind); 113 114 return (atf_no_error()); 115 } 116