1 /* $NetBSD: netconfig.c,v 1.9 2017/01/13 21:30:42 christos Exp $ */
4 * Copyright (c) 2010 The NetBSD Foundation, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: netconfig.c,v 1.9 2017/01/13 21:30:42 christos Exp $");
35 #include <sys/types.h>
36 #include <sys/socket.h>
37 #include <sys/ioctl.h>
39 #include <arpa/inet.h>
41 #include <net/route.h>
43 #include <netinet/in.h>
44 #include <netinet/in_systm.h>
45 #include <netinet/ip.h>
46 #include <netinet/ip_icmp.h>
53 #include <rump/rump.h>
54 #include <rump/rump_syscalls.h>
61 netcfg_rump_makeshmif(const char *busname, char *ifname)
65 if ((rv = rump_pub_shmif_create(busname, &ifnum)) != 0) {
67 err(1, "makeshmif: rump_pub_shmif_create %d", rv);
69 atf_tc_fail("makeshmif: rump_pub_shmif_create %d", rv);
71 sprintf(ifname, "shmif%d", ifnum);
75 netcfg_rump_if(const char *ifname, const char *addr, const char *mask)
78 struct sockaddr_in *sin;
79 in_addr_t inaddr, inmask;
83 if ((s = rump_sys_socket(PF_INET, SOCK_DGRAM, 0)) < 0) {
85 err(1, "if config socket");
87 atf_tc_fail_errno("if config socket");
90 inaddr = inet_addr(addr);
91 inmask = inet_addr(mask);
94 memset(&ia, 0, sizeof(ia));
95 strcpy(ia.ifra_name, ifname);
96 sin = (struct sockaddr_in *)&ia.ifra_addr;
97 sin->sin_family = AF_INET;
98 sin->sin_len = sizeof(struct sockaddr_in);
99 sin->sin_addr.s_addr = inaddr;
102 sin = (struct sockaddr_in *)&ia.ifra_mask;
103 sin->sin_family = AF_INET;
104 sin->sin_len = sizeof(struct sockaddr_in);
105 sin->sin_addr.s_addr = inmask;
107 /* Broadcast address */
108 sin = (struct sockaddr_in *)&ia.ifra_broadaddr;
109 sin->sin_family = AF_INET;
110 sin->sin_len = sizeof(struct sockaddr_in);
111 sin->sin_addr.s_addr = inaddr | ~inmask;
113 rv = rump_sys_ioctl(s, SIOCAIFADDR, &ia);
116 err(1, "SIOCAIFADDR");
118 atf_tc_fail_errno("SIOCAIFADDR");
124 netcfg_rump_route(const char *dst, const char *mask, const char *gw)
128 struct rt_msghdr m_rtm;
129 uint8_t m_space[512];
131 #define rtm m_rtmsg.m_rtm
132 uint8_t *bp = m_rtmsg.m_space;
133 struct sockaddr_in sinstore;
136 s = rump_sys_socket(PF_ROUTE, SOCK_RAW, 0);
139 err(1, "routing socket");
141 atf_tc_fail_errno("routing socket");
144 memset(&m_rtmsg, 0, sizeof(m_rtmsg));
145 rtm.rtm_type = RTM_ADD;
146 rtm.rtm_flags = RTF_UP | RTF_GATEWAY | RTF_STATIC;
147 rtm.rtm_version = RTM_VERSION;
149 rtm.rtm_addrs = RTA_DST | RTA_GATEWAY | RTA_NETMASK;
152 memset(&sinstore, 0, sizeof(sinstore));
153 sinstore.sin_family = AF_INET;
154 sinstore.sin_len = sizeof(sinstore);
155 sinstore.sin_addr.s_addr = inet_addr(dst);
156 memcpy(bp, &sinstore, sizeof(sinstore));
157 bp += sizeof(sinstore);
160 memset(&sinstore, 0, sizeof(sinstore));
161 sinstore.sin_family = AF_INET;
162 sinstore.sin_len = sizeof(sinstore);
163 sinstore.sin_addr.s_addr = inet_addr(gw);
164 memcpy(bp, &sinstore, sizeof(sinstore));
165 bp += sizeof(sinstore);
168 memset(&sinstore, 0, sizeof(sinstore));
169 sinstore.sin_family = AF_INET;
170 sinstore.sin_len = sizeof(sinstore);
171 sinstore.sin_addr.s_addr = inet_addr(mask);
172 memcpy(bp, &sinstore, sizeof(sinstore));
173 bp += sizeof(sinstore);
175 len = bp - (uint8_t *)&m_rtmsg;
176 rtm.rtm_msglen = len;
178 rv = rump_sys_write(s, &m_rtmsg, len);
179 if (rv != (int)len) {
181 err(1, "write routing message");
183 atf_tc_fail_errno("write routing message");
189 netcfg_rump_pingtest(const char *dst, int ms_timo)
192 struct sockaddr_in sin;
198 s = rump_sys_socket(PF_INET, SOCK_RAW, IPPROTO_ICMP);
201 tv.tv_sec = ms_timo / 1000;
202 tv.tv_usec = 1000 * (ms_timo % 1000);
203 if (rump_sys_setsockopt(s, SOL_SOCKET, SO_RCVTIMEO,
204 &tv, sizeof(tv)) == -1)
207 memset(&sin, 0, sizeof(sin));
208 sin.sin_len = sizeof(sin);
209 sin.sin_family = AF_INET;
210 sin.sin_addr.s_addr = inet_addr(dst);
212 memset(&icmp, 0, sizeof(icmp));
213 icmp.icmp_type = ICMP_ECHO;
214 icmp.icmp_id = htons(37);
215 icmp.icmp_cksum = htons(0xf7da); /* precalc */
218 if (rump_sys_sendto(s, &icmp, sizeof(icmp), 0,
219 (struct sockaddr *)&sin, slen) == -1) {
223 if (rump_sys_recvfrom(s, &icmp, sizeof(icmp), 0,
224 (struct sockaddr *)&sin, &slen) == -1)