tests/net/config/netconfig.c

   1 /*      $NetBSD: netconfig.c,v 1.8 2013/07/03 19:13:33 pooka Exp $      */
   2
   3 /*-
   4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  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.
  15  *
  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.
  28  */
  29
  30 #include <sys/cdefs.h>
  31 #ifndef lint
  32 __RCSID("$NetBSD: netconfig.c,v 1.8 2013/07/03 19:13:33 pooka Exp $");
  33 #endif /* not lint */
  34
  35 #include <sys/types.h>
  36 #include <sys/socket.h>
  37 #include <sys/ioctl.h>
  38
  39 #include <arpa/inet.h>
  40
  41 #include <net/route.h>
  42
  43 #include <netinet/in.h>
  44 #include <netinet/in_systm.h>
  45 #include <netinet/ip.h>
  46 #include <netinet/ip_icmp.h>
  47
  48 #include <atf-c.h>
  49 #include <err.h>
  50 #include <errno.h>
  51 #include <string.h>
  52
  53 #include <rump/rump.h>
  54 #include <rump/rump_syscalls.h>
  55
  56 #include "../../h_macros.h"
  57
  58 int noatf;
  59
  60 static void __unused
  61 netcfg_rump_makeshmif(const char *busname, char *ifname)
  62 {
  63         int rv, ifnum;
  64
  65         if ((rv = rump_pub_shmif_create(busname, &ifnum)) != 0) {
  66                 if (noatf)
  67                         err(1, "makeshmif: rump_pub_shmif_create %d", rv);
  68                 else
  69                         atf_tc_fail("makeshmif: rump_pub_shmif_create %d", rv);
  70         }
  71         sprintf(ifname, "shmif%d", ifnum);
  72 }
  73
  74 static void __unused
  75 netcfg_rump_if(const char *ifname, const char *addr, const char *mask)
  76 {
  77         struct ifaliasreq ia;
  78         struct sockaddr_in *sin;
  79         in_addr_t inaddr, inmask;
  80         int s, rv;
  81
  82         s = -1;
  83         if ((s = rump_sys_socket(PF_INET, SOCK_DGRAM, 0)) < 0) {
  84                 if (noatf)
  85                         err(1, "if config socket");
  86                 else
  87                         atf_tc_fail_errno("if config socket");
  88         }
  89
  90         inaddr = inet_addr(addr);
  91         inmask = inet_addr(mask);
  92
  93         /* Address */
  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;
 100
 101         /* Netmask */
 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;
 106
 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;
 112
 113         rv = rump_sys_ioctl(s, SIOCAIFADDR, &ia);
 114         if (rv == -1) {
 115                 if (noatf)
 116                         err(1, "SIOCAIFADDR");
 117                 else
 118                         atf_tc_fail_errno("SIOCAIFADDR");
 119         }
 120         rump_sys_close(s);
 121 }
 122
 123 static void __unused
 124 netcfg_rump_route(const char *dst, const char *mask, const char *gw)
 125 {
 126         size_t len;
 127         struct {
 128                 struct rt_msghdr m_rtm;
 129                 uint8_t m_space[512];
 130         } m_rtmsg;
 131 #define rtm m_rtmsg.m_rtm
 132         uint8_t *bp = m_rtmsg.m_space;
 133         struct sockaddr_in sinstore;
 134         int s, rv;
 135
 136         s = rump_sys_socket(PF_ROUTE, SOCK_RAW, 0);
 137         if (s == -1) {
 138                 if (noatf)
 139                         err(1, "routing socket");
 140                 else
 141                         atf_tc_fail_errno("routing socket");
 142         }
 143
 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;
 148         rtm.rtm_seq = 2;
 149         rtm.rtm_addrs = RTA_DST | RTA_GATEWAY | RTA_NETMASK;
 150
 151         /* dst */
 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);
 158
 159         /* gw */
 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);
 166
 167         /* netmask */
 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);
 174
 175         len = bp - (uint8_t *)&m_rtmsg;
 176         rtm.rtm_msglen = len;
 177
 178         rv = rump_sys_write(s, &m_rtmsg, len);
 179         if (rv != (int)len) {
 180                 if (noatf)
 181                         err(1, "write routing message");
 182                 else
 183                         atf_tc_fail_errno("write routing message");
 184         }
 185         rump_sys_close(s);
 186 }
 187
 188 static bool __unused
 189 netcfg_rump_pingtest(const char *dst, int ms_timo)
 190 {
 191         struct timeval tv;
 192         struct sockaddr_in sin;
 193         struct icmp icmp;
 194         socklen_t slen;
 195         int s;
 196         bool rv = false;
 197
 198         s = rump_sys_socket(PF_INET, SOCK_RAW, IPPROTO_ICMP);
 199         if (s == -1)
 200                 return false;
 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)
 205                 goto out;
 206
 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);
 211
 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 */
 216
 217         slen = sizeof(sin);
 218         if (rump_sys_sendto(s, &icmp, sizeof(icmp), 0,
 219             (struct sockaddr *)&sin, slen) == -1) {
 220                 goto out;
 221         }
 222
 223         if (rump_sys_recvfrom(s, &icmp, sizeof(icmp), 0,
 224             (struct sockaddr *)&sin, &slen) == -1)
 225                 goto out;
 226
 227         rv = true;
 228  out:
 229         rump_sys_close(s);
 230         return rv;
 231 }