etc/rc.d/routing

   1 #!/bin/sh
   2 #
   3 # Configure routing and miscellaneous network tunables
   4 #
   5 # $FreeBSD$
   6 #
   7
   8 # PROVIDE: routing
   9 # REQUIRE: faith netif ppp stf
  10 # KEYWORD: nojail
  11
  12 . /etc/rc.subr
  13 . /etc/network.subr
  14
  15 name="routing"
  16 start_cmd="routing_start doall"
  17 stop_cmd="routing_stop"
  18 extra_commands="options static"
  19 static_cmd="routing_start static"
  20 options_cmd="routing_start options"
  21
  22 afcheck()
  23 {
  24         case $_af in
  25         ""|inet|inet6|ipx|atm)
  26                 ;;
  27         *)
  28                 err 1 "Unsupported address family: $_af."
  29                 ;;
  30         esac
  31 }
  32
  33 routing_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
  53 routing_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
  75 setroutes()
  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
  91 routing_stop_inet()
  92 {
  93         route -n flush -inet
  94 }
  95
  96 routing_stop_inet6()
  97 {
  98         local i
  99
 100         route -n flush -inet6
 101         for i in ${ipv6_network_interfaces}; do
 102                 ifconfig $i inet6 -defaultif
 103         done
 104 }
 105
 106 routing_stop_atm()
 107 {
 108         return 0
 109 }
 110
 111 routing_stop_ipx()
 112 {
 113         return 0
 114 }
 115
 116 static_inet()
 117 {
 118         local _action
 119         _action=$1
 120
 121         case ${defaultrouter} in
 122         [Nn][Oo] | '')
 123                 ;;
 124         *)
 125                 static_routes="default ${static_routes}"
 126                 route_default="default ${defaultrouter}"
 127                 ;;
 128         esac
 129
 130         if [ -n "${static_routes}" ]; then
 131                 for i in ${static_routes}; do
 132                         route_args=`get_if_var $i route_IF`
 133                         route ${_action} ${route_args}
 134                 done
 135         fi
 136 }
 137
 138 static_inet6()
 139 {
 140         local _action i
 141         _action=$1
 142
 143         # disallow "internal" addresses to appear on the wire
 144         route ${_action} -inet6 ::ffff:0.0.0.0 -prefixlen 96 ::1 -reject
 145         route ${_action} -inet6 ::0.0.0.0 -prefixlen 96 ::1 -reject
 146
 147         case ${ipv6_defaultrouter} in
 148         [Nn][Oo] | '')
 149                 ;;
 150         *)
 151                 ipv6_static_routes="default ${ipv6_static_routes}"
 152                 ipv6_route_default="default ${ipv6_defaultrouter}"
 153                 ;;
 154         esac
 155
 156         if [ -n "${ipv6_static_routes}" ]; then
 157                 for i in ${ipv6_static_routes}; do
 158                         ipv6_route_args=`get_if_var $i ipv6_route_IF`
 159                         route ${_action} -inet6 ${ipv6_route_args}
 160                 done
 161         fi
 162
 163         # Fixup $ipv6_network_interfaces
 164         case ${ipv6_network_interfaces} in
 165         [Nn][Oo][Nn][Ee])
 166                 ipv6_network_interfaces=''
 167                 ;;
 168         esac
 169
 170         if checkyesno ipv6_gateway_enable; then
 171                 for i in ${ipv6_network_interfaces}; do
 172
 173                         laddr=`network6_getladdr $i exclude_tentative`
 174                         case ${laddr} in
 175                         '')
 176                                 ;;
 177                         *)
 178                                 ipv6_working_interfaces="$i \
 179                                     ${ipv6_working_interfaces}"
 180                                 ;;
 181                         esac
 182                 done
 183                 ipv6_network_interfaces=${ipv6_working_interfaces}
 184         fi
 185
 186         # Install the "default interface" to kernel, which will be used
 187         # as the default route when there's no router.
 188         case "${ipv6_default_interface}" in
 189         [Nn][Oo] | [Nn][Oo][Nn][Ee])
 190                 ipv6_default_interface=""
 191                 ;;
 192         [Aa][Uu][Tt][Oo] | "")
 193                 for i in ${ipv6_network_interfaces}; do
 194                         case $i in
 195                         lo0|faith[0-9]*)
 196                                 continue
 197                                 ;;
 198                         esac
 199                         laddr=`network6_getladdr $i exclude_tentative`
 200                         case ${laddr} in
 201                         '')
 202                                 ;;
 203                         *)
 204                                 ipv6_default_interface=$i
 205                                 break
 206                                 ;;
 207                         esac
 208                 done
 209                 ;;
 210         esac
 211
 212         # Disallow link-local unicast packets without outgoing scope
 213         # identifiers.  However, if you set "ipv6_default_interface",
 214         # for the host case, you will allow to omit the identifiers.
 215         # Under this configuration, the packets will go to the default
 216         # interface.
 217         route ${_action} -inet6 fe80:: -prefixlen 10 ::1 -reject
 218         route ${_action} -inet6 ff02:: -prefixlen 16 ::1 -reject
 219
 220         case ${ipv6_default_interface} in
 221         '')
 222                 ;;
 223         *)
 224                 # Disable installing the default interface when we act
 225                 # as router to avoid conflict between the default
 226                 # router list and the manual configured default route.
 227                 if ! checkyesno ipv6_gateway_enable; then
 228                         ifconfig ${ipv6_default_interface} inet6 defaultif
 229                         sysctl net.inet6.ip6.use_defaultzone=1
 230                 fi
 231                 ;;
 232         esac
 233 }
 234
 235 static_atm()
 236 {
 237         local _action i route_args
 238         _action=$1
 239
 240         if [ -n "${natm_static_routes}" ]; then
 241                 for i in ${natm_static_routes}; do
 242                         route_args=`get_if_var $i route_IF`
 243                         atmconfig natm ${_action} ${route_args}
 244                 done
 245         fi
 246 }
 247
 248 static_ipx()
 249 {
 250         :
 251 }
 252
 253 ropts_init()
 254 {
 255         if [ -z "${_ropts_initdone}" ]; then
 256                 echo -n "Additional $1 routing options:"
 257                 _ropts_initdone=yes
 258         fi
 259 }
 260
 261 options_inet()
 262 {
 263         _ropts_initdone=
 264         if checkyesno icmp_bmcastecho; then
 265                 ropts_init inet
 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 inet
 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 inet
 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 inet
 290                 echo -n ' 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 inet
 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 inet
 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 inet
 314                 echo -n ' ARP proxyall=YES'
 315                 ${SYSCTL} net.link.ether.inet.proxyall=1 > /dev/null
 316         else
 317                 ${SYSCTL} net.link.ether.inet.proxyall=0 > /dev/null
 318         fi
 319
 320         [ -n "${_ropts_initdone}" ] && echo '.'
 321 }
 322
 323 options_inet6()
 324 {
 325         _ropts_initdone=
 326
 327         if checkyesno ipv6_gateway_enable; then
 328                 ropts_init inet6
 329                 echo -n ' gateway=YES'
 330                 ${SYSCTL} net.inet6.ip6.forwarding=1 > /dev/null
 331         else
 332                 ${SYSCTL} net.inet6.ip6.forwarding=0 > /dev/null
 333         fi
 334
 335         [ -n "${_ropts_initdone}" ] && echo '.'
 336 }
 337
 338 options_atm()
 339 {
 340         _ropts_initdone=
 341
 342         [ -n "${_ropts_initdone}" ] && echo '.'
 343 }
 344
 345 options_ipx()
 346 {
 347         _ropts_initdone=
 348
 349         if checkyesno ipxgateway_enable; then
 350                 ropts_init ipx
 351                 echo -n ' gateway=YES'
 352                 ${SYSCTL} net.ipx.ipx.ipxforwarding=1 > /dev/null
 353         else
 354                 ${SYSCTL} net.ipx.ipx.ipxforwarding=0 > /dev/null
 355         fi
 356
 357         [ -n "${_ropts_initdone}" ] && echo '.'
 358 }
 359
 360 load_rc_config $name
 361 run_rc_command "$@"