routing revision 224048
1#!/bin/sh 2# 3# Configure routing and miscellaneous network tunables 4# 5# $FreeBSD: head/etc/rc.d/routing 224048 2011-07-15 01:59:08Z kevlo $ 6# 7 8# PROVIDE: routing 9# REQUIRE: faith netif ppp stf 10# KEYWORD: nojail 11 12. /etc/rc.subr 13. /etc/network.subr 14 15name="routing" 16start_cmd="routing_start doall" 17stop_cmd="routing_stop" 18extra_commands="options static" 19static_cmd="routing_start static" 20options_cmd="routing_start options" 21 22afcheck() 23{ 24 case $_af in 25 ""|inet|inet6|ipx|atm) 26 ;; 27 *) 28 err 1 "Unsupported address family: $_af." 29 ;; 30 esac 31} 32 33routing_start() 34{ 35 local _cmd _af _a 36 _cmd=$1 37 _af=$2 38 39 afcheck 40 41 case $_af in 42 inet|inet6|ipx|atm) 43 setroutes $_cmd $_af 44 ;; 45 "") 46 for _a in inet inet6 ipx atm; do 47 afexists $_a && setroutes $_cmd $_a 48 done 49 ;; 50 esac 51 [ -n "${_ropts_initdone}" ] && echo '.' 52} 53 54routing_stop() 55{ 56 local _af _a 57 _af=$1 58 59 afcheck 60 61 case $_af in 62 inet|inet6|ipx|atm) 63 eval static_${_af} delete 64 eval routing_stop_${_af} 65 ;; 66 "") 67 for _a in inet inet6 ipx atm; do 68 afexists $_a || continue 69 eval static_${_a} delete 70 eval routing_stop_${_a} 71 done 72 ;; 73 esac 74} 75 76setroutes() 77{ 78 case $1 in 79 static) 80 static_$2 add 81 ;; 82 options) 83 options_$2 84 ;; 85 doall) 86 static_$2 add 87 options_$2 88 ;; 89 esac 90} 91 92routing_stop_inet() 93{ 94 route -n flush -inet 95} 96 97routing_stop_inet6() 98{ 99 local i 100 101 route -n flush -inet6 102 for i in ${ipv6_network_interfaces}; do 103 ifconfig $i inet6 -defaultif 104 done 105} 106 107routing_stop_atm() 108{ 109 return 0 110} 111 112routing_stop_ipx() 113{ 114 return 0 115} 116 117static_inet() 118{ 119 local _action 120 _action=$1 121 122 case ${defaultrouter} in 123 [Nn][Oo] | '') 124 ;; 125 *) 126 static_routes="default ${static_routes}" 127 route_default="default ${defaultrouter}" 128 ;; 129 esac 130 131 if [ -n "${static_routes}" ]; then 132 for i in ${static_routes}; do 133 route_args=`get_if_var $i route_IF` 134 route ${_action} ${route_args} 135 done 136 fi 137} 138 139static_inet6() 140{ 141 local _action i 142 _action=$1 143 144 # disallow "internal" addresses to appear on the wire 145 route ${_action} -inet6 ::ffff:0.0.0.0 -prefixlen 96 ::1 -reject 146 route ${_action} -inet6 ::0.0.0.0 -prefixlen 96 ::1 -reject 147 148 case ${ipv6_defaultrouter} in 149 [Nn][Oo] | '') 150 ;; 151 *) 152 ipv6_static_routes="default ${ipv6_static_routes}" 153 ipv6_route_default="default ${ipv6_defaultrouter}" 154 ;; 155 esac 156 157 if [ -n "${ipv6_static_routes}" ]; then 158 for i in ${ipv6_static_routes}; do 159 ipv6_route_args=`get_if_var $i ipv6_route_IF` 160 route ${_action} -inet6 ${ipv6_route_args} 161 done 162 fi 163 164 # Fixup $ipv6_network_interfaces 165 case ${ipv6_network_interfaces} in 166 [Nn][Oo][Nn][Ee]) 167 ipv6_network_interfaces='' 168 ;; 169 esac 170 171 if checkyesno ipv6_gateway_enable; then 172 for i in ${ipv6_network_interfaces}; do 173 174 laddr=`network6_getladdr $i exclude_tentative` 175 case ${laddr} in 176 '') 177 ;; 178 *) 179 ipv6_working_interfaces="$i \ 180 ${ipv6_working_interfaces}" 181 ;; 182 esac 183 done 184 ipv6_network_interfaces=${ipv6_working_interfaces} 185 fi 186 187 # Install the "default interface" to kernel, which will be used 188 # as the default route when there's no router. 189 case "${ipv6_default_interface}" in 190 [Nn][Oo] | [Nn][Oo][Nn][Ee]) 191 ipv6_default_interface="" 192 ;; 193 [Aa][Uu][Tt][Oo] | "") 194 for i in ${ipv6_network_interfaces}; do 195 case $i in 196 lo0|faith[0-9]*) 197 continue 198 ;; 199 esac 200 laddr=`network6_getladdr $i exclude_tentative` 201 case ${laddr} in 202 '') 203 ;; 204 *) 205 ipv6_default_interface=$i 206 break 207 ;; 208 esac 209 done 210 ;; 211 esac 212 213 # Disallow link-local unicast packets without outgoing scope 214 # identifiers. However, if you set "ipv6_default_interface", 215 # for the host case, you will allow to omit the identifiers. 216 # Under this configuration, the packets will go to the default 217 # interface. 218 route ${_action} -inet6 fe80:: -prefixlen 10 ::1 -reject 219 route ${_action} -inet6 ff02:: -prefixlen 16 ::1 -reject 220 221 case ${ipv6_default_interface} in 222 '') 223 ;; 224 *) 225 # Disable installing the default interface when we act 226 # as router to avoid conflict between the default 227 # router list and the manual configured default route. 228 if ! checkyesno ipv6_gateway_enable; then 229 ifconfig ${ipv6_default_interface} inet6 defaultif 230 sysctl net.inet6.ip6.use_defaultzone=1 231 fi 232 ;; 233 esac 234} 235 236static_atm() 237{ 238 local _action i route_args 239 _action=$1 240 241 if [ -n "${natm_static_routes}" ]; then 242 for i in ${natm_static_routes}; do 243 route_args=`get_if_var $i route_IF` 244 atmconfig natm ${_action} ${route_args} 245 done 246 fi 247} 248 249static_ipx() 250{ 251} 252 253_ropts_initdone= 254ropts_init() 255{ 256 if [ -z "${_ropts_initdone}" ]; then 257 echo -n 'Additional routing options:' 258 _ropts_initdone=yes 259 fi 260} 261 262options_inet() 263{ 264 if checkyesno icmp_bmcastecho; then 265 ropts_init 266 echo -n ' broadcast ping responses=YES' 267 ${SYSCTL} net.inet.icmp.bmcastecho=1 > /dev/null 268 else 269 ${SYSCTL} net.inet.icmp.bmcastecho=0 > /dev/null 270 fi 271 272 if checkyesno icmp_drop_redirect; then 273 ropts_init 274 echo -n ' ignore ICMP redirect=YES' 275 ${SYSCTL} net.inet.icmp.drop_redirect=1 > /dev/null 276 else 277 ${SYSCTL} net.inet.icmp.drop_redirect=0 > /dev/null 278 fi 279 280 if checkyesno icmp_log_redirect; then 281 ropts_init 282 echo -n ' log ICMP redirect=YES' 283 ${SYSCTL} net.inet.icmp.log_redirect=1 > /dev/null 284 else 285 ${SYSCTL} net.inet.icmp.log_redirect=0 > /dev/null 286 fi 287 288 if checkyesno gateway_enable; then 289 ropts_init 290 echo ' IPv4 gateway=YES' 291 ${SYSCTL} net.inet.ip.forwarding=1 > /dev/null 292 else 293 ${SYSCTL} net.inet.ip.forwarding=0 > /dev/null 294 fi 295 296 if checkyesno forward_sourceroute; then 297 ropts_init 298 echo -n ' do source routing=YES' 299 ${SYSCTL} net.inet.ip.sourceroute=1 > /dev/null 300 else 301 ${SYSCTL} net.inet.ip.sourceroute=0 > /dev/null 302 fi 303 304 if checkyesno accept_sourceroute; then 305 ropts_init 306 echo -n ' accept source routing=YES' 307 ${SYSCTL} net.inet.ip.accept_sourceroute=1 > /dev/null 308 else 309 ${SYSCTL} net.inet.ip.accept_sourceroute=0 > /dev/null 310 fi 311 312 if checkyesno arpproxy_all; then 313 ropts_init 314 echo -n ' ARP proxyall=YES' 315 ${SYSCTL} net.link.ether.inet.proxyall=1 > /dev/null 316 else 317 ${SYSCTL} net.link.ether.inet.proxyall=0 > /dev/null 318 fi 319} 320 321options_inet6() 322{ 323 if checkyesno ipv6_gateway_enable; then 324 ropts_init 325 echo ' IPv6 gateway=YES' 326 ${SYSCTL} net.inet6.ip6.forwarding=1 > /dev/null 327 else 328 ${SYSCTL} net.inet6.ip6.forwarding=0 > /dev/null 329 fi 330} 331 332options_atm() 333{ 334} 335 336options_ipx() 337{ 338 if checkyesno ipxgateway_enable; then 339 ropts_init 340 echo -n ' IPX gateway=YES' 341 ${SYSCTL} net.ipx.ipx.ipxforwarding=1 > /dev/null 342 else 343 ${SYSCTL} net.ipx.ipx.ipxforwarding=0 > /dev/null 344 fi 345} 346 347load_rc_config $name 348run_rc_command "$@" 349