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: nojailvnet
  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 ROUTE_CMD="/sbin/route"
  23
  24 routing_start()
  25 {
  26         local _cmd _af _if _a
  27         _cmd=$1
  28         _af=$2
  29         _if=$3
  30
  31         case $_if in
  32         ""|[Aa][Ll][Ll]|[Aa][Nn][Yy])   _if="" ;;
  33         esac
  34
  35         case $_af in
  36         inet|inet6|ipx|atm)
  37                 if afexists $_af; then
  38                         setroutes $_cmd $_af $_if
  39                 else
  40                         err 1 "Unsupported address family: $_af."
  41                 fi
  42                 ;;
  43         ""|[Aa][Ll][Ll]|[Aa][Nn][Yy])
  44                 for _a in inet inet6 ipx atm; do
  45                         afexists $_a && setroutes $_cmd $_a $_if
  46                 done
  47                 ;;
  48         *)
  49                 err 1 "Unsupported address family: $_af."
  50                 ;;
  51         esac
  52 }
  53
  54 routing_stop()
  55 {
  56         local _af _if _a
  57         _af=$1
  58         _if=$2
  59
  60         case $_if in
  61         ""|[Aa][Ll][Ll]|[Aa][Nn][Yy])   _if="" ;;
  62         esac
  63
  64         case $_af in
  65         inet|inet6|ipx|atm)
  66                 if afexists $_af; then
  67                         eval static_${_af} delete $_if
  68                         # When $_if is specified, do not flush routes.
  69                         if ! [ -n "$_if" ]; then
  70                                 eval routing_stop_${_af}
  71                         fi
  72                 else
  73                         err 1 "Unsupported address family: $_af."
  74                 fi
  75                 ;;
  76         ""|[Aa][Ll][Ll]|[Aa][Nn][Yy])
  77                 for _a in inet inet6 ipx atm; do
  78                         afexists $_a || continue
  79                         eval static_${_a} delete $_if
  80                         # When $_if is specified, do not flush routes.
  81                         if ! [ -n "$_if" ]; then
  82                                 eval routing_stop_${_a}
  83                         fi
  84                 done
  85                 ;;
  86         *)
  87                 err 1 "Unsupported address family: $_af."
  88                 ;;
  89         esac
  90 }
  91
  92 setroutes()
  93 {
  94         case $1 in
  95         static)
  96                 static_$2 add $3
  97                 ;;
  98         options)
  99                 options_$2
 100                 ;;
 101         doall)
 102                 static_$2 add $3
 103                 options_$2
 104                 ;;
 105         esac
 106 }
 107
 108 routing_stop_inet()
 109 {
 110         ${ROUTE_CMD} -n flush -inet
 111 }
 112
 113 routing_stop_inet6()
 114 {
 115         local i
 116
 117         ${ROUTE_CMD} -n flush -inet6
 118         for i in ${ipv6_network_interfaces}; do
 119                 ifconfig $i inet6 -defaultif
 120         done
 121 }
 122
 123 routing_stop_atm()
 124 {
 125         return 0
 126 }
 127
 128 routing_stop_ipx()
 129 {
 130         return 0
 131 }
 132
 133 static_inet()
 134 {
 135         local _action _if _skip
 136         _action=$1
 137         _if=$2
 138
 139         # Add default route.
 140         case ${defaultrouter} in
 141         [Nn][Oo] | '')
 142                 ;;
 143         *)
 144                 static_routes="_default ${static_routes}"
 145                 route__default="default ${defaultrouter}"
 146                 ;;
 147         esac
 148
 149         # Install configured routes.
 150         if [ -n "${static_routes}" ]; then
 151                 for i in ${static_routes}; do
 152                         _skip=0
 153                         if [ -n "$_if" ]; then
 154                                 case $i in
 155                                 *:$_if) ;;
 156                                 *)      _skip=1 ;;
 157                                 esac
 158                         fi
 159                         if [ $_skip = 0 ]; then
 160                                 route_args=`get_if_var ${i%:*} route_IF`
 161                                 if [ -n "$route_args" ]; then
 162                                         ${ROUTE_CMD} ${_action} ${route_args}
 163                                 else
 164                                         warn "route_${i%:*} not found."
 165                                 fi
 166                         fi
 167                 done
 168         fi
 169 }
 170
 171 static_inet6()
 172 {
 173         local _action _if _skip fibmod fibs
 174         _action=$1
 175         _if=$2
 176
 177         # get the number of FIBs supported.
 178         fibs=$((`${SYSCTL_N} net.fibs` - 1))
 179         if [ "$fibs" -gt 0 ]; then
 180                 fibmod="-fib 0-$fibs"
 181         else
 182                 fibmod=
 183         fi
 184
 185         # Add pre-defined static routes first.
 186         ipv6_static_routes="_v4mapped _v4compat ${ipv6_static_routes}"
 187         ipv6_static_routes="_lla _llma ${ipv6_static_routes}"
 188
 189         # disallow "internal" addresses to appear on the wire
 190         ipv6_route__v4mapped="::ffff:0.0.0.0 -prefixlen 96 ::1 -reject ${fibmod}"
 191         ipv6_route__v4compat="::0.0.0.0 -prefixlen 96 ::1 -reject ${fibmod}"
 192
 193         # Disallow link-local unicast packets without outgoing scope
 194         # identifiers.  However, if you set "ipv6_default_interface",
 195         # for the host case, you will allow to omit the identifiers.
 196         # Under this configuration, the packets will go to the default
 197         # interface.
 198         ipv6_route__lla="fe80:: -prefixlen 10 ::1 -reject ${fibmod}"
 199         ipv6_route__llma="ff02:: -prefixlen 16 ::1 -reject ${fibmod}"
 200
 201         # Add default route.
 202         case ${ipv6_defaultrouter} in
 203         [Nn][Oo] | '')
 204                 ;;
 205         *)
 206                 ipv6_static_routes="_default ${ipv6_static_routes}"
 207                 ipv6_route__default="default ${ipv6_defaultrouter}"
 208                 ;;
 209         esac
 210
 211         # Install configured routes.
 212         if [ -n "${ipv6_static_routes}" ]; then
 213                 for i in ${ipv6_static_routes}; do
 214                         _skip=0
 215                         if [ -n "$_if" ]; then
 216                                 case $i in
 217                                 *:$_if) ;;
 218                                 *)      _skip=1 ;;
 219                                 esac
 220                         fi
 221                         if [ $_skip = 0 ]; then
 222                                 ipv6_route_args=`get_if_var ${i%:*} ipv6_route_IF`
 223                                 if [ -n "$ipv6_route_args" ]; then
 224                                         ${ROUTE_CMD} ${_action} \
 225                                                 -inet6 ${ipv6_route_args}
 226                                 else
 227                                         warn "route_${i%:*} not found"
 228                                 fi
 229                         fi
 230                 done
 231         fi
 232
 233         # Install the "default interface" to kernel, which will be used
 234         # as the default route when there's no router.
 235
 236         # Disable installing the default interface when we act
 237         # as router to avoid conflict between the default
 238         # router list and the manual configured default route.
 239         if checkyesno ipv6_gateway_enable; then
 240                 return
 241         fi
 242
 243         case "${ipv6_default_interface}" in
 244         [Nn][Oo] | [Nn][Oo][Nn][Ee])
 245                 return
 246                 ;;
 247         [Aa][Uu][Tt][Oo] | "")
 248                 for i in ${ipv6_network_interfaces}; do
 249                         case $i in
 250                         [Nn][Oo][Nn][Ee])
 251                                 return
 252                                 ;;
 253                         lo0|faith[0-9]*)
 254                                 continue
 255                                 ;;
 256                         esac
 257                         laddr=`network6_getladdr $i exclude_tentative`
 258                         case ${laddr} in
 259                         '')
 260                                 ;;
 261                         *)
 262                                 ipv6_default_interface=$i
 263                                 break
 264                                 ;;
 265                         esac
 266                 done
 267                 ;;
 268         esac
 269
 270         ifconfig ${ipv6_default_interface} inet6 defaultif
 271         sysctl net.inet6.ip6.use_defaultzone=1
 272 }
 273
 274 static_atm()
 275 {
 276         local _action i route_args
 277         _action=$1
 278
 279         if [ -n "${natm_static_routes}" ]; then
 280                 for i in ${natm_static_routes}; do
 281                         route_args=`get_if_var $i route_IF`
 282                         if [ -n "$route_args" ]; then
 283                                 atmconfig natm ${_action} ${route_args}
 284                         else
 285                                 warn "route_${i} not found."
 286                         fi
 287                 done
 288         fi
 289 }
 290
 291 static_ipx()
 292 {
 293 }
 294
 295 ropts_init()
 296 {
 297         if [ -z "${_ropts_initdone}" ]; then
 298                 echo -n "Additional $1 routing options:"
 299                 _ropts_initdone=yes
 300         fi
 301 }
 302
 303 options_inet()
 304 {
 305         _ropts_initdone=
 306         if checkyesno icmp_bmcastecho; then
 307                 ropts_init inet
 308                 echo -n ' broadcast ping responses=YES'
 309                 ${SYSCTL} net.inet.icmp.bmcastecho=1 > /dev/null
 310         else
 311                 ${SYSCTL} net.inet.icmp.bmcastecho=0 > /dev/null
 312         fi
 313
 314         if checkyesno icmp_drop_redirect; then
 315                 ropts_init inet
 316                 echo -n ' ignore ICMP redirect=YES'
 317                 ${SYSCTL} net.inet.icmp.drop_redirect=1 > /dev/null
 318         else
 319                 ${SYSCTL} net.inet.icmp.drop_redirect=0 > /dev/null
 320         fi
 321
 322         if checkyesno icmp_log_redirect; then
 323                 ropts_init inet
 324                 echo -n ' log ICMP redirect=YES'
 325                 ${SYSCTL} net.inet.icmp.log_redirect=1 > /dev/null
 326         else
 327                 ${SYSCTL} net.inet.icmp.log_redirect=0 > /dev/null
 328         fi
 329
 330         if checkyesno gateway_enable; then
 331                 ropts_init inet
 332                 echo -n ' gateway=YES'
 333                 ${SYSCTL} net.inet.ip.forwarding=1 > /dev/null
 334         else
 335                 ${SYSCTL} net.inet.ip.forwarding=0 > /dev/null
 336         fi
 337
 338         if checkyesno forward_sourceroute; then
 339                 ropts_init inet
 340                 echo -n ' do source routing=YES'
 341                 ${SYSCTL} net.inet.ip.sourceroute=1 > /dev/null
 342         else
 343                 ${SYSCTL} net.inet.ip.sourceroute=0 > /dev/null
 344         fi
 345
 346         if checkyesno accept_sourceroute; then
 347                 ropts_init inet
 348                 echo -n ' accept source routing=YES'
 349                 ${SYSCTL} net.inet.ip.accept_sourceroute=1 > /dev/null
 350         else
 351                 ${SYSCTL} net.inet.ip.accept_sourceroute=0 > /dev/null
 352         fi
 353
 354         if checkyesno arpproxy_all; then
 355                 ropts_init inet
 356                 echo -n ' ARP proxyall=YES'
 357                 ${SYSCTL} net.link.ether.inet.proxyall=1 > /dev/null
 358         else
 359                 ${SYSCTL} net.link.ether.inet.proxyall=0 > /dev/null
 360         fi
 361
 362         [ -n "${_ropts_initdone}" ] && echo '.'
 363 }
 364
 365 options_inet6()
 366 {
 367         _ropts_initdone=
 368
 369         if checkyesno ipv6_gateway_enable; then
 370                 ropts_init inet6
 371                 echo -n ' gateway=YES'
 372                 ${SYSCTL} net.inet6.ip6.forwarding=1 > /dev/null
 373         else
 374                 ${SYSCTL} net.inet6.ip6.forwarding=0 > /dev/null
 375         fi
 376
 377         [ -n "${_ropts_initdone}" ] && echo '.'
 378 }
 379
 380 options_atm()
 381 {
 382         _ropts_initdone=
 383
 384         [ -n "${_ropts_initdone}" ] && echo '.'
 385 }
 386
 387 options_ipx()
 388 {
 389         _ropts_initdone=
 390
 391         if checkyesno ipxgateway_enable; then
 392                 ropts_init ipx
 393                 echo -n ' gateway=YES'
 394                 ${SYSCTL} net.ipx.ipx.ipxforwarding=1 > /dev/null
 395         else
 396                 ${SYSCTL} net.ipx.ipx.ipxforwarding=0 > /dev/null
 397         fi
 398
 399         [ -n "${_ropts_initdone}" ] && echo '.'
 400 }
 401
 402 load_rc_config $name
 403 run_rc_command "$@"