routing revision 230991
1#!/bin/sh 2# 3# Configure routing and miscellaneous network tunables 4# 5# $FreeBSD: head/etc/rc.d/routing 230991 2012-02-04 18:14:49Z hrs $ 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} 52 53routing_stop() 54{ 55 local _af _a 56 _af=$1 57 58 afcheck 59 60 case $_af in 61 inet|inet6|ipx|atm) 62 eval static_${_af} delete 63 eval routing_stop_${_af} 64 ;; 65 "") 66 for _a in inet inet6 ipx atm; do 67 afexists $_a || continue 68 eval static_${_a} delete 69 eval routing_stop_${_a} 70 done 71 ;; 72 esac 73} 74 75setroutes() 76{ 77 case $1 in 78 static) 79 static_$2 add 80 ;; 81 options) 82 options_$2 83 ;; 84 doall) 85 static_$2 add 86 options_$2 87 ;; 88 esac 89} 90 91routing_stop_inet() 92{ 93 route -n flush -inet 94} 95 96routing_stop_inet6() 97{ 98 local i 99 100 route -n flush -inet6 101 for i in `list_net_interfaces`; do 102 if ipv6if $i; then 103 ifconfig $i inet6 -defaultif 104 fi 105 done 106} 107 108routing_stop_atm() 109{ 110 return 0 111} 112 113routing_stop_ipx() 114{ 115 return 0 116} 117 118static_inet() 119{ 120 local _action 121 _action=$1 122 123 case ${defaultrouter} in 124 [Nn][Oo] | '') 125 ;; 126 *) 127 static_routes="default ${static_routes}" 128 route_default="default ${defaultrouter}" 129 ;; 130 esac 131 132 if [ -n "${static_routes}" ]; then 133 for i in ${static_routes}; do 134 route_args=`get_if_var $i route_IF` 135 route ${_action} ${route_args} 136 done 137 fi 138} 139 140static_inet6() 141{ 142 local _action i 143 _action=$1 144 145 # disallow "internal" addresses to appear on the wire 146 route ${_action} -inet6 ::ffff:0.0.0.0 -prefixlen 96 ::1 -reject 147 route ${_action} -inet6 ::0.0.0.0 -prefixlen 96 ::1 -reject 148 149 case ${ipv6_defaultrouter} in 150 [Nn][Oo] | '') 151 ;; 152 *) 153 ipv6_static_routes="default ${ipv6_static_routes}" 154 ipv6_route_default="default ${ipv6_defaultrouter}" 155 ;; 156 esac 157 158 if [ -n "${ipv6_static_routes}" ]; then 159 for i in ${ipv6_static_routes}; do 160 ipv6_route_args=`get_if_var $i ipv6_route_IF` 161 route ${_action} -inet6 ${ipv6_route_args} 162 done 163 fi 164 165 # Fixup $ipv6_network_interfaces 166 case ${ipv6_network_interfaces} in 167 [Nn][Oo][Nn][Ee]) 168 ipv6_network_interfaces='' 169 ;; 170 esac 171 172 if checkyesno ipv6_gateway_enable; then 173 for i in ${ipv6_network_interfaces}; do 174 175 laddr=`network6_getladdr $i exclude_tentative` 176 case ${laddr} in 177 '') 178 ;; 179 *) 180 ipv6_working_interfaces="$i \ 181 ${ipv6_working_interfaces}" 182 ;; 183 esac 184 done 185 ipv6_network_interfaces=${ipv6_working_interfaces} 186 fi 187 188 # Install the "default interface" to kernel, which will be used 189 # as the default route when there's no router. 190 case "${ipv6_default_interface}" in 191 [Nn][Oo] | [Nn][Oo][Nn][Ee]) 192 ipv6_default_interface="" 193 ;; 194 [Aa][Uu][Tt][Oo] | "") 195 for i in ${ipv6_network_interfaces}; do 196 case $i in 197 lo0|faith[0-9]*) 198 continue 199 ;; 200 esac 201 laddr=`network6_getladdr $i exclude_tentative` 202 case ${laddr} in 203 '') 204 ;; 205 *) 206 ipv6_default_interface=$i 207 break 208 ;; 209 esac 210 done 211 ;; 212 esac 213 214 # Disallow link-local unicast packets without outgoing scope 215 # identifiers. However, if you set "ipv6_default_interface", 216 # for the host case, you will allow to omit the identifiers. 217 # Under this configuration, the packets will go to the default 218 # interface. 219 route ${_action} -inet6 fe80:: -prefixlen 10 ::1 -reject 220 route ${_action} -inet6 ff02:: -prefixlen 16 ::1 -reject 221 222 case ${ipv6_default_interface} in 223 '') 224 ;; 225 *) 226 # Disable installing the default interface when we act 227 # as router to avoid conflict between the default 228 # router list and the manual configured default route. 229 if ! checkyesno ipv6_gateway_enable; then 230 ifconfig ${ipv6_default_interface} inet6 defaultif 231 sysctl net.inet6.ip6.use_defaultzone=1 232 fi 233 ;; 234 esac 235} 236 237static_atm() 238{ 239 local _action i route_args 240 _action=$1 241 242 if [ -n "${natm_static_routes}" ]; then 243 for i in ${natm_static_routes}; do 244 route_args=`get_if_var $i route_IF` 245 atmconfig natm ${_action} ${route_args} 246 done 247 fi 248} 249 250static_ipx() 251{ 252 : 253} 254 255ropts_init() 256{ 257 if [ -z "${_ropts_initdone}" ]; then 258 echo -n "Additional $1 routing options:" 259 _ropts_initdone=yes 260 fi 261} 262 263options_inet() 264{ 265 _ropts_initdone= 266 if checkyesno icmp_bmcastecho; then 267 ropts_init inet 268 echo -n ' broadcast ping responses=YES' 269 ${SYSCTL} net.inet.icmp.bmcastecho=1 > /dev/null 270 else 271 ${SYSCTL} net.inet.icmp.bmcastecho=0 > /dev/null 272 fi 273 274 if checkyesno icmp_drop_redirect; then 275 ropts_init inet 276 echo -n ' ignore ICMP redirect=YES' 277 ${SYSCTL} net.inet.icmp.drop_redirect=1 > /dev/null 278 else 279 ${SYSCTL} net.inet.icmp.drop_redirect=0 > /dev/null 280 fi 281 282 if checkyesno icmp_log_redirect; then 283 ropts_init inet 284 echo -n ' log ICMP redirect=YES' 285 ${SYSCTL} net.inet.icmp.log_redirect=1 > /dev/null 286 else 287 ${SYSCTL} net.inet.icmp.log_redirect=0 > /dev/null 288 fi 289 290 if checkyesno gateway_enable; then 291 ropts_init inet 292 echo -n ' gateway=YES' 293 ${SYSCTL} net.inet.ip.forwarding=1 > /dev/null 294 else 295 ${SYSCTL} net.inet.ip.forwarding=0 > /dev/null 296 fi 297 298 if checkyesno forward_sourceroute; then 299 ropts_init inet 300 echo -n ' do source routing=YES' 301 ${SYSCTL} net.inet.ip.sourceroute=1 > /dev/null 302 else 303 ${SYSCTL} net.inet.ip.sourceroute=0 > /dev/null 304 fi 305 306 if checkyesno accept_sourceroute; then 307 ropts_init inet 308 echo -n ' accept source routing=YES' 309 ${SYSCTL} net.inet.ip.accept_sourceroute=1 > /dev/null 310 else 311 ${SYSCTL} net.inet.ip.accept_sourceroute=0 > /dev/null 312 fi 313 314 if checkyesno arpproxy_all; then 315 ropts_init inet 316 echo -n ' ARP proxyall=YES' 317 ${SYSCTL} net.link.ether.inet.proxyall=1 > /dev/null 318 else 319 ${SYSCTL} net.link.ether.inet.proxyall=0 > /dev/null 320 fi 321 322 [ -n "${_ropts_initdone}" ] && echo '.' 323} 324 325options_inet6() 326{ 327 _ropts_initdone= 328 329 if checkyesno ipv6_gateway_enable; then 330 ropts_init inet6 331 echo -n ' gateway=YES' 332 ${SYSCTL} net.inet6.ip6.forwarding=1 > /dev/null 333 else 334 ${SYSCTL} net.inet6.ip6.forwarding=0 > /dev/null 335 fi 336 337 [ -n "${_ropts_initdone}" ] && echo '.' 338} 339 340options_atm() 341{ 342 _ropts_initdone= 343 344 [ -n "${_ropts_initdone}" ] && echo '.' 345} 346 347options_ipx() 348{ 349 _ropts_initdone= 350 351 if checkyesno ipxgateway_enable; then 352 ropts_init ipx 353 echo -n ' gateway=YES' 354 ${SYSCTL} net.ipx.ipx.ipxforwarding=1 > /dev/null 355 else 356 ${SYSCTL} net.ipx.ipx.ipxforwarding=0 > /dev/null 357 fi 358 359 [ -n "${_ropts_initdone}" ] && echo '.' 360} 361 362load_rc_config $name 363run_rc_command "$@" 364