olsrd/files/olsrd.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2008-2013 OpenWrt.org
   3
   4 START=65
   5
   6 SERVICE_DAEMONIZE=1
   7 SERVICE_WRITE_PID=1
   8
   9 CONF=/var/etc/olsrd.conf
  10 PID=/var/run/olsrd.pid
  11 PID6=/var/run/olsrd.ipv6.pid
  12
  13 OLSRD_OLSRD_SCHEMA='ignore:internal config_file:internal DebugLevel=0 AllowNoInt=yes'
  14 OLSRD_IPCCONNECT_SCHEMA='ignore:internal Host:list Net:list2'
  15 OLSRD_LOADPLUGIN_SCHEMA='ignore:internal library:internal Host4:list Net4:list2 Host:list Net:list2 Host6:list Net6:list2 Ping:list redistribute:list NonOlsrIf:list name:list lat lon latlon_infile HNA:list2 hosts:list2'
  16 OLSRD_INTERFACE_SCHEMA='ignore:internal interface:internal AutoDetectChanges:bool'
  17 OLSRD_INTERFACE_DEFAULTS_SCHEMA='AutoDetectChanges:bool'
  18
  19 T='     '
  20 N='
  21 '
  22
  23 log() {
  24         logger -t olsrd -p daemon.info -s "${initscript}: $@"
  25 }
  26
  27 error() {
  28         log "ERROR: $@"
  29 }
  30
  31 validate_varname() {
  32         local varname="$1"
  33         [ -z "$varname" -o "$varname" != "${varname%%[!A-Za-z0-9_]*}" ] && return 1
  34         return 0
  35 }
  36
  37 validate_olsrd_option() {
  38         local str="$1"
  39         [ -z "$str" -o "$str" != "${str%%[!     0-9A-Za-z./|:_-]*}" ] && return 1
  40         return 0
  41 }
  42
  43 system_config() {
  44         local cfg="$1"
  45         local cfgt hostname latlon oldIFS
  46
  47         config_get cfgt "$cfg" TYPE
  48
  49         if [ "$cfgt" = "system" ]; then
  50                 config_get hostname "$cfg" hostname
  51                 hostname="${hostname:-OpenWrt}"
  52                 SYSTEM_HOSTNAME="$hostname"
  53         fi
  54
  55         if [ -z "$SYSTEM_LAT" -o -z "$SYSTEM_LON" ]; then
  56                 config_get latlon "$cfg" latlon
  57                 oldIFS="$IFS"; IFS=" ${T}${N},"; set -- $latlon; IFS="$oldIFS"
  58                 SYSTEM_LAT="$1"
  59                 SYSTEM_LON="$2"
  60         fi
  61
  62         if [ -z "$SYSTEM_LAT" -o -z "$SYSTEM_LON" ]; then
  63                 config_get latlon "$cfg" latitude
  64                 SYSTEM_LAT="$latlon"
  65                 config_get latlon "$cfg" longitude
  66                 SYSTEM_LON="$latlon"
  67         fi
  68 }
  69
  70 olsrd_find_config_file() {
  71         local cfg="$1"
  72         validate_varname "$cfg" || return 0
  73
  74         config_get_bool ignore "$cfg" ignore 0
  75         [ "$ignore" -ne 0 ] && return 0
  76         config_get OLSRD_CONFIG_FILE "$cfg" config_file
  77
  78         return 0
  79 }
  80
  81 warning_invalid_value() {
  82         local funcname="warning_invalid_value"
  83         local package="$1"
  84         validate_varname "$package" || package=
  85         local config="$2"
  86         validate_varname "$config" || config=
  87         local option="$3"
  88         validate_varname "$option" || option=
  89
  90         if [ -n "$package" -a -n "$config" ]; then
  91                 log "$funcname() in option '$package.$config${option:+.}$option', skipped"
  92         else
  93                 log "$funcname() skipped"
  94         fi
  95
  96         return 0
  97 }
  98
  99 olsrd_write_option() {
 100         local param="$1"
 101         local cfg="$2"
 102         validate_varname "$cfg" || return 1
 103         local option="$3"
 104         validate_varname "$option" || return 1
 105         local value="$4"
 106         local option_type="$5"
 107
 108         if [ "$option_type" = bool ]; then
 109                 case "$value" in
 110                         1|on|true|enabled|yes) value=yes;;
 111                         0|off|false|disabled|no) value=no;;
 112                         *) warning_invalid_value olsrd "$cfg" "$option"; return 1;;
 113                 esac
 114         fi
 115
 116         if ! validate_olsrd_option "$value"; then
 117                 warning_invalid_value olsrd "$cfg" "$option"
 118                 return 1
 119         fi
 120
 121         if [ "$value" != "${value%%[G-Zg-z_-]*}" ]; then
 122                 if [ "$option" != "Ip6AddrType" -a "$option" != "LinkQualityMult" -a "$value" != "yes" -a "$value" != "no" ]; then
 123                         value="\"$value\""
 124                 fi
 125         fi
 126
 127         echo -n "${N}$param$option $value"
 128
 129         return 0
 130 }
 131
 132 olsrd_write_plparam() {
 133         local funcname="olsrd_write_plparam"
 134         local param="$1"
 135         local cfg="$2"
 136         validate_varname "$cfg" || return 1
 137         local option="$3"
 138         validate_varname "$option" || return 1
 139         local value="$4"
 140         local option_type="$5"
 141         local _option oldIFS
 142
 143         if [ "$option_type" = bool ]; then
 144                 case "$value" in
 145                         1|on|true|enabled|yes) value=yes;;
 146                         0|off|false|disabled|no) value=no;;
 147                         *) warning_invalid_value olsrd "$cfg" "$option"; return 1;;
 148                 esac
 149         fi
 150
 151         if ! validate_olsrd_option "$value"; then
 152                 warning_invalid_value olsrd "$cfg" "$option"
 153                 return 1
 154         fi
 155
 156         oldIFS="$IFS"
 157         IFS='-_'
 158         set -- $option
 159         option="$*"
 160         IFS="$oldIFS"
 161         _option="$option"
 162
 163         if [ "$option" = 'hosts' ]; then
 164                 set -- $value
 165                 option="$1"
 166                 shift
 167                 value="$*"
 168         fi
 169
 170         if [ "$option" = 'NonOlsrIf' ]; then
 171                 if validate_varname "$value"; then
 172                         if network_get_device ifname "$value"; then
 173                                 log "$funcname() Info: mdns Interface '$value' ifname '$ifname' found"
 174                         else
 175                                 log "$funcname() Warning: mdns Interface '$value' not found, skipped"
 176                         fi
 177                 else
 178                         warning_invalid_value olsrd "$cfg" "NonOlsrIf"
 179                 fi
 180                 [ -z "$ifname" ] || value=$ifname
 181         fi
 182
 183         echo -n "${N}${param}PlParam \"$option\" \"$value\""
 184
 185         return 0
 186 }
 187
 188 config_update_schema() {
 189         local schema_varname="$1"
 190         validate_varname "$schema_varname" || return 1
 191         local command="$2"
 192         validate_varname "$command" || return 1
 193         local option="$3"
 194         validate_varname "$option" || return 1
 195         local value="$4"
 196         local schema
 197         local cur_option
 198
 199         case "$varname" in
 200                 *_LENGTH) return 0;;
 201                 *_ITEM*) return 0;;
 202         esac
 203
 204         eval "export -n -- \"schema=\${$schema_varname}\""
 205
 206         for cur_option in $schema; do
 207                 [ "${cur_option%%[:=]*}" = "$option" ] && return 0
 208         done
 209
 210         if [ "$command" = list ]; then
 211                 set -- $value
 212                 if [ "$#" -ge "3" ]; then
 213                         schema_entry="$option:list3"
 214                 elif [ "$#" -ge "2" ]; then
 215                         schema_entry="$option:list2"
 216                 else
 217                         schema_entry="$option:list"
 218                 fi
 219         else
 220                 schema_entry="$option"
 221         fi
 222
 223         append "$schema_varname" "$schema_entry"
 224
 225         return 0
 226 }
 227
 228 config_write_options() {
 229         local funcname="config_write_options"
 230         local schema="$1"
 231         local cfg="$2"
 232         validate_varname "$cfg" || return 1
 233         local write_func="$3"
 234         [ -z "$write_func" ] && output_func=echo
 235         local write_param="$4"
 236
 237         local schema_entry option option_length option_type default value list_size list_item list_value i position speed oldIFS
 238         local list_speed_vars="HelloInterval HelloValidityTime TcInterval TcValidityTime MidInterval MidValidityTime HnaInterval HnaValidityTime"
 239
 240         get_value_for_entry()
 241         {
 242                 local schema_entry="$1"
 243
 244                 default="${schema_entry#*[=]}"
 245                 [ "$default" = "$schema_entry" ] && default=
 246                 option="${schema_entry%%[=]*}"
 247
 248                 oldIFS="$IFS"; IFS=':'; set -- $option; IFS="$oldIFS"
 249                 option="$1"
 250                 option_type="$2"
 251
 252                 validate_varname "$option" || return 1
 253                 [ -z "$option_type" ] || validate_varname "$option_type" || return 1
 254                 [ "$option_type" = internal ] && return 1
 255
 256                 config_get value "$cfg" "$option"
 257                 [ "$option" = "speed" ] && return 1
 258
 259                 return 0
 260         }
 261
 262         already_in_schema()
 263         {
 264                 case " $schema " in
 265                         *" $1 "*)
 266                                 return 0
 267                         ;;
 268                         *)
 269                                 return 1
 270                         ;;
 271                 esac
 272         }
 273
 274         already_in_schema "speed" && {
 275                 get_value_for_entry "speed"
 276
 277                 if [ 2>/dev/null $value -gt 0 -a $value -le 20 ]; then
 278                         speed="$value"
 279                 else
 280                         log "$funcname() Warning: invalid speed-value: '$value' - allowed integers: 1...20, fallback to 6"
 281                         speed=6
 282                 fi
 283
 284                 for schema_entry in $list_speed_vars; do {
 285                         already_in_schema "$schema_entry" || schema="$schema $schema_entry"
 286                 } done
 287         }
 288
 289         for schema_entry in $schema; do
 290                 if [ -n "$speed" ]; then                # like sven-ola freifunk firmware fff-1.7.4
 291                         case "$schema_entry" in
 292                                 HelloInterval)
 293                                         value="$(( $speed / 2 + 1 )).0"
 294                                 ;;
 295                                 HelloValidityTime)
 296                                         value="$(( $speed * 25 )).0"
 297                                 ;;
 298                                 TcInterval)     # todo: not fisheye? -> $(( $speed * 2 ))
 299                                         value=$(( $speed / 2 ))
 300                                         [ $value -eq 0 ] && value=1
 301                                         value="$value.0"
 302                                 ;;
 303                                 TcValidityTime)
 304                                         value="$(( $speed * 100 )).0"
 305                                 ;;
 306                                 MidInterval)
 307                                         value="$(( $speed * 5 )).0"
 308                                 ;;
 309                                 MidValidityTime)
 310                                         value="$(( $speed * 100 )).0"
 311                                 ;;
 312                                 HnaInterval)
 313                                         value="$(( $speed * 2 )).0"
 314                                 ;;
 315                                 HnaValidityTime)
 316                                         value="$(( $speed * 25 )).0"
 317                                 ;;
 318                                 *)
 319                                         get_value_for_entry "$schema_entry" || continue
 320                                 ;;
 321                         esac
 322
 323                         is_speed_var()
 324                         {
 325                                 case " $list_speed_vars " in
 326                                         *" $1 "*)
 327                                                 return 0
 328                                         ;;
 329                                         *)
 330                                                 return 1
 331                                         ;;
 332                                 esac
 333                         }
 334
 335                         is_speed_var "$schema_entry" && option="$schema_entry"
 336                 else
 337                         get_value_for_entry "$schema_entry" || continue
 338                 fi
 339
 340                 if [ -z "$value" ]; then
 341                         oldIFS="$IFS"; IFS='+'; set -- $default; IFS="$oldIFS"
 342                         value=$*
 343                 elif [ "$value" = '-' -a -n "$default" ]; then
 344                         continue
 345                 fi
 346
 347                 [ -z "$value" ] && continue
 348
 349                 case "$option_type" in
 350                         list) list_size=1;;
 351                         list2) list_size=2;;
 352                         list3) list_size=3;;
 353                         *) list_size=0;;
 354                 esac
 355
 356                 if [ "$list_size" -gt 0 ]; then
 357                         config_get option_length "$cfg" "${option}_LENGTH"
 358                         if [ -n "$option_length" ]; then
 359                                 i=1
 360                                 while [ "$i" -le "$option_length" ]; do
 361                                         config_get list_value "$cfg" "${option}_ITEM$i"
 362                                         "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
 363                                         i=$((i + 1))
 364                                 done
 365                         else
 366                                 list_value=
 367                                 i=0
 368                                 for list_item in $value; do
 369                                         append "list_value" "$list_item"
 370                                         i=$((i + 1))
 371                                         position=$((i % list_size))
 372                                         if [ "$position" -eq 0 ]; then
 373                                                 "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
 374                                                 list_value=
 375                                         fi
 376                                 done
 377                                 [ "$position" -ne 0 ] && "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type"
 378                         fi
 379                 else
 380                         "$write_func" "$write_param" "$cfg" "$option" "$value" "$option_type"
 381                 fi
 382         done
 383
 384         return 0
 385 }
 386
 387 olsrd_write_olsrd() {
 388         local cfg="$1"
 389         validate_varname "$cfg" || return 0
 390         local ignore
 391
 392         config_get_bool ignore "$cfg" ignore 0
 393         [ "$ignore" -ne 0 ] && return 0
 394
 395         [ "$OLSRD_COUNT" -gt 0 ] && return 0
 396
 397         config_get ipversion "$cfg" IpVersion
 398         if [ "$ipversion" = "6and4" ]; then
 399                 OLSRD_IPVERSION_6AND4=1
 400                 config_set "$cfg" IpVersion '6'
 401         fi
 402         config_get smartgateway "$cfg" SmartGateway
 403         config_get smartgatewayuplink "$cfg" SmartGatewayUplink
 404
 405         config_write_options "$OLSRD_OLSRD_SCHEMA" "$cfg" olsrd_write_option
 406         echo
 407         OLSRD_COUNT=$((OLSRD_COUNT + 1))
 408         return 0
 409 }
 410
 411 olsrd_write_ipcconnect() {
 412         local cfg="$1"
 413         validate_varname "$cfg" || return 0
 414         local ignore
 415
 416         config_get_bool ignore "$cfg" ignore 0
 417         [ "$ignore" -ne 0 ] && return 0
 418
 419         [ "$IPCCONNECT_COUNT" -gt 0 ] && return 0
 420
 421         echo -n "${N}IpcConnect${N}{"
 422         config_write_options "$OLSRD_IPCCONNECT_SCHEMA" "$cfg" olsrd_write_option "${T}"
 423         echo "${N}}"
 424         IPCCONNECT_COUNT=$((IPCCONNECT_COUNT + 1))
 425
 426         return 0
 427 }
 428
 429 olsrd_write_hna4() {
 430         local cfg="$1"
 431         validate_varname "$cfg" || return 0
 432         local ignore
 433
 434         config_get_bool ignore "$cfg" ignore 0
 435         [ "$ignore" -ne 0 ] && return 0
 436
 437         config_get netaddr "$cfg" netaddr
 438         if ! validate_olsrd_option "$netaddr"; then
 439                 warning_invalid_value olsrd "$cfg" "netaddr"
 440                 return 0
 441         fi
 442
 443         config_get netmask "$cfg" netmask
 444         if ! validate_olsrd_option "$netmask"; then
 445                 warning_invalid_value olsrd "$cfg" "netmask"
 446                 return 0
 447         fi
 448
 449         [ "$HNA4_COUNT" -le 0 ] && echo -n "${N}Hna4${N}{"
 450         echo -n "${N}${T}${T}$netaddr $netmask"
 451         HNA4_COUNT=$((HNA4_COUNT + 1))
 452
 453         return 0
 454 }
 455
 456 olsrd_write_hna6() {
 457         local cfg="$1"
 458         validate_varname "$cfg" || return 0
 459         local ignore
 460
 461         config_get_bool ignore "$cfg" ignore 0
 462         [ "$ignore" -ne 0 ] && return 0
 463
 464         config_get netaddr "$cfg" netaddr
 465         if ! validate_olsrd_option "$netaddr"; then
 466                 warning_invalid_value olsrd "$cfg" "netaddr"
 467                 return 0
 468         fi
 469
 470         config_get prefix "$cfg" prefix
 471         if ! validate_olsrd_option "$prefix"; then
 472                 warning_invalid_value olsrd "$cfg" "prefix"
 473                 return 0
 474         fi
 475
 476         [ "$HNA6_COUNT" -le 0 ] && echo -n "${N}Hna6${N}{"
 477         echo -n "${N}${T}${T}$netaddr $prefix"
 478         HNA6_COUNT=$((HNA6_COUNT + 1))
 479
 480         return 0
 481 }
 482
 483 olsrd_write_loadplugin() {
 484         local funcname="olsrd_write_loadplugin"
 485         local cfg="$1"
 486         validate_varname "$cfg" || return 0
 487         local ignore
 488         local name
 489         local suffix
 490         local lat
 491         local lon
 492         local latlon_infile
 493
 494         config_get_bool ignore "$cfg" ignore 0
 495         [ "$ignore" -ne 0 ] && return 0
 496
 497         config_get library "$cfg" library
 498         if ! validate_olsrd_option "$library"; then
 499                 warning_invalid_value olsrd "$cfg" "library"
 500                 return 0
 501         fi
 502         if ! [ -x "/lib/$library" -o -x "/usr/lib/$library" -o -x "/usr/local/lib/$library" ]; then
 503                 log "$funcname() Warning: Plugin library '$library' not found, skipped"
 504                 return 0
 505         fi
 506
 507         case "$library" in
 508                 olsrd_nameservice.*)
 509                         config_get name "$cfg" name
 510                         [ -z "$name" ] && config_set "$cfg" name $SYSTEM_HOSTNAME
 511
 512                         config_get suffix "$cfg" suffix
 513                         [ -z "$suffix" ] && config_set "$cfg" suffix '.olsr'
 514
 515                         config_get lat "$cfg" lat
 516                         config_get lon "$cfg" lon
 517                         config_get latlon_infile "$cfg" latlon_infile
 518                         if [ \( -z "$lat" -o -z "$lat" \) -a -z "$latlon_infile" ]; then
 519                                 if [ -f '/var/run/latlon.txt' ]; then
 520                                         config_set "$cfg" lat ''
 521                                         config_set "$cfg" lon ''
 522                                         config_set "$cfg" latlon_infile '/var/run/latlon.txt'
 523                                 else
 524                                         config_set "$cfg" lat "$SYSTEM_LAT"
 525                                         config_set "$cfg" lon "$SYSTEM_LON"
 526                                 fi
 527                         fi
 528
 529                         for f in latlon_file hosts_file services_file resolv_file macs_file; do
 530                                 config_get $f "$cfg" $f
 531                         done
 532
 533                         [ -z "$latlon_file" ] && config_set "$cfg" latlon_file '/var/run/latlon.js'
 534                 ;;
 535                 olsrd_watchdog.*)
 536                         config_get wd_file "$cfg" file
 537                 ;;
 538         esac
 539
 540         echo -n "${N}LoadPlugin \"$library\"${N}{"
 541         config_write_options "$OLSRD_LOADPLUGIN_SCHEMA" "$cfg" olsrd_write_plparam "${T}"
 542         echo "${N}}"
 543
 544         return 0
 545 }
 546
 547 olsrd_write_interface() {
 548         local funcname="olsrd_write_interface"
 549         local cfg="$1"
 550         validate_varname "$cfg" || return 0
 551         local ignore
 552         local interfaces
 553         local interface
 554         local ifnames
 555
 556         config_get_bool ignore "$cfg" ignore 0
 557         [ "$ignore" -ne 0 ] && return 0
 558
 559         ifnames=
 560         config_get interfaces "$cfg" interface
 561
 562         for interface in $interfaces; do
 563                 if validate_varname "$interface"; then
 564                         if network_get_device IFNAME "$interface"; then
 565                                 ifnames="$ifnames \"$IFNAME\""
 566                                 ifsglobal="$ifsglobal $IFNAME"
 567                         else
 568                                 log "$funcname() Warning: Interface '$interface' not found, skipped"
 569                         fi
 570                 else
 571                         warning_invalid_value olsrd "$cfg" "interface"
 572                 fi
 573         done
 574
 575         [ -z "$ifnames" ] && return 0
 576
 577         echo -n "${N}Interface$ifnames${N}{"
 578         config_write_options "$OLSRD_INTERFACE_SCHEMA" "$cfg" olsrd_write_option "${T}"
 579         echo "${N}}"
 580         INTERFACES_COUNT=$((INTERFACES_COUNT + 1))
 581
 582         return 0
 583 }
 584
 585 olsrd_write_interface_defaults() {
 586         local cfg="$1"
 587         validate_varname "$cfg" || return 0
 588
 589         echo -n "${N}InterfaceDefaults$ifnames${N}{"
 590         config_write_options "$OLSRD_INTERFACE_DEFAULTS_SCHEMA" "$cfg" olsrd_write_option "${T}"
 591         echo "${N}}"
 592
 593         return 1
 594 }
 595
 596 olsrd_update_schema() {
 597         local command="$1"
 598         validate_varname "$command" || return 0
 599         local varname="$2"
 600         validate_varname "$varname" || return 0
 601         local value="$3"
 602         local cfg="$CONFIG_SECTION"
 603         local cfgt
 604         local cur_varname
 605
 606         config_get cfgt "$cfg" TYPE
 607         case "$cfgt" in
 608                 olsrd) config_update_schema OLSRD_OLSRD_SCHEMA "$command" "$varname" "$value";;
 609                 IpcConnect) config_update_schema OLSRD_IPCCONNECT_SCHEMA "$command" "$varname" "$value";;
 610                 LoadPlugin) config_update_schema OLSRD_LOADPLUGIN_SCHEMA "$command" "$varname" "$value";;
 611                 Interface) config_update_schema OLSRD_INTERFACE_SCHEMA "$command" "$varname" "$value";;
 612                 InterfaceDefaults) config_update_schema OLSRD_INTERFACE_DEFAULTS_SCHEMA "$command" "$varname" "$value";;
 613         esac
 614
 615         return 0
 616 }
 617
 618 olsrd_write_config() {
 619         OLSRD_IPVERSION_6AND4=0
 620         OLSRD_COUNT=0
 621         config_foreach olsrd_write_olsrd olsrd
 622         IPCCONNECT_COUNT=0
 623         config_foreach olsrd_write_ipcconnect IpcConnect
 624         HNA4_COUNT=0
 625         config_foreach olsrd_write_hna4 Hna4
 626         [ "$HNA4_COUNT" -gt 0 ] && echo "${N}}"
 627         HNA6_COUNT=0
 628         config_foreach olsrd_write_hna6 Hna6
 629         [ "$HNA6_COUNT" -gt 0 ] && echo "${N}}"
 630         config_foreach olsrd_write_loadplugin LoadPlugin
 631         INTERFACES_COUNT=0
 632         config_foreach olsrd_write_interface_defaults InterfaceDefaults
 633         config_foreach olsrd_write_interface Interface
 634         echo
 635
 636         return 0
 637 }
 638
 639 get_wan_ifnames()
 640 {
 641         local wanifnames word catch_next
 642
 643         which ip >/dev/null || return 1
 644
 645         set -- $( ip route list exact 0.0.0.0/0 table all )
 646         for word in $*; do
 647                 case "$word" in
 648                         dev)
 649                                 catch_next="true"
 650                         ;;
 651                         *)
 652                                 [ -n "$catch_next" ] && {
 653                                         case "$wanifnames" in
 654                                                 *" $word "*)
 655                                                 ;;
 656                                                 *)
 657                                                         wanifnames="$wanifnames $word "
 658                                                 ;;
 659                                         esac
 660
 661                                         catch_next=
 662                                 }
 663                         ;;
 664                 esac
 665         done
 666
 667         echo "$wanifnames"
 668 }
 669
 670 olsrd_setup_smartgw_rules() {
 671         local funcname="olsrd_setup_smartgw_rules"
 672         # Check if ipip is installed
 673         [ -e /etc/modules.d/[0-9]*-ipip ] || {
 674                 log "$funcname() Warning: kmod-ipip is missing. SmartGateway will not work until you install it."
 675                 return 1
 676         }
 677
 678         local wanifnames="$( get_wan_ifnames )"
 679
 680         if [ -z "$wanifnames" ]; then
 681                 nowan=1
 682         else
 683                 nowan=0
 684         fi
 685
 686         IP4T=$(which iptables)
 687         IP6T=$(which ip6tables)
 688
 689         # Delete smartgw firewall rules first
 690         for IPT in $IP4T $IP6T; do
 691                 while $IPT -D forwarding_rule -o tnl_+ -j ACCEPT 2> /dev/null; do :;done
 692                 for IFACE in $wanifnames; do
 693                         while $IPT -D forwarding_rule -i tunl0 -o $IFACE -j ACCEPT 2> /dev/null; do :; done
 694                 done
 695                 for IFACE in $ifsglobal; do
 696                         while $IPT -D input_rule -i $IFACE -p 4 -j ACCEPT 2> /dev/null; do :; done
 697                 done
 698         done
 699         while $IP4T -t nat -D postrouting_rule -o tnl_+ -j MASQUERADE 2> /dev/null; do :;done
 700
 701         if [ "$smartgateway" == "yes" ]; then
 702                 log "$funcname() Notice: Inserting firewall rules for SmartGateway"
 703                 if [ ! "$smartgatewayuplink" == "none" ]; then
 704                         if [ "$smartgatewayuplink" == "ipv4" ]; then
 705                                 # Allow everything to be forwarded to tnl_+ and use NAT for it
 706                                 $IP4T -I forwarding_rule -o tnl_+ -j ACCEPT
 707                                 $IP4T -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
 708                                 # Allow forwarding from tunl0 to (all) wan-interfaces
 709                                 if [ "$nowan"="0" ]; then
 710                                         for IFACE in $wanifnames; do
 711                                                 $IP4T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 712                                         done
 713                                 fi
 714                                 # Allow incoming ipip on all olsr-interfaces
 715                                 for IFACE in $ifsglobal; do
 716                                         $IP4T -I input_rule -i $IFACE -p 4 -j ACCEPT
 717                                 done
 718                         elif [ "$smartgatewayuplink" == "ipv6" ]; then
 719                                 $IP6T -I forwarding_rule -o tnl_+ -j ACCEPT
 720                                 if [ "$nowan"="0" ]; then
 721                                         for IFACE in $wanifnames; do
 722                                                 $IP6T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 723                                         done
 724                                 fi
 725                                 for IFACE in $ifsglobal; do
 726                                         $IP6T -I input_rule -i $IFACE -p 4 -j ACCEPT
 727                                 done
 728                         else
 729                                 for IPT in $IP4T $IP6T; do
 730                                         $IPT -I forwarding_rule -o tnl_+ -j ACCEPT
 731                                         $IPT -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
 732                                         if [ "$nowan"="0" ]; then
 733                                                 for IFACE in $wanifnames; do
 734                                                         $IPT -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 735                                                 done
 736                                         fi
 737                                         for IFACE in $ifsglobal; do
 738                                                 $IPT -I input_rule -i $IFACE -p 4 -j ACCEPT
 739                                         done
 740                                 done
 741                         fi
 742                 fi
 743         fi
 744 }
 745
 746 start() {
 747         SYSTEM_HOSTNAME=
 748         SYSTEM_LAT=
 749         SYSTEM_LON=
 750         config_load system
 751         config_foreach system_config system
 752
 753         option_cb() {
 754                 olsrd_update_schema "option" "$@"
 755         }
 756
 757         list_cb() {
 758                 olsrd_update_schema "list" "$@"
 759         }
 760
 761         . /lib/functions/network.sh
 762
 763         config_load olsrd
 764         reset_cb
 765
 766         OLSRD_CONFIG_FILE=
 767         config_foreach olsrd_find_config_file olsrd
 768
 769         if [ -z "$OLSRD_CONFIG_FILE" ]; then
 770                 mkdir -p -- /var/etc/
 771                 olsrd_write_config > /var/etc/olsrd.conf
 772                 if [ "$INTERFACES_COUNT" -gt 0 -a "$OLSRD_COUNT" -gt 0 ]; then
 773                         OLSRD_CONFIG_FILE=/var/etc/olsrd.conf
 774                 fi
 775         fi
 776
 777         [ -z "$OLSRD_CONFIG_FILE" ] && return 1
 778
 779         local bindv6only='0'
 780         if [ "$OLSRD_IPVERSION_6AND4" -ne 0 ]; then
 781                 bindv6only="$(sysctl -n net.ipv6.bindv6only)"
 782                 sysctl -w net.ipv6.bindv6only=1 > /dev/null
 783                 sed -e '/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/d' < "$OLSRD_CONFIG_FILE" > /var/etc/olsrd.conf.ipv6
 784                 sed -e 's/^IpVersion[ ][ ]*6$/IpVersion 4/' -e 's/^\t\t[A-Fa-f0-9.:]*[:][A-Fa-f0-9.:]*[ ][0-9]*$//' < "$OLSRD_CONFIG_FILE" > /var/etc/olsrd.conf.ipv4
 785                 rm $OLSRD_CONFIG_FILE
 786
 787                 # some filenames should get the suffix .ipv6
 788                 for file in $latlon_file $hosts_file $services_file $resolv_file $macs_file $wd_file;do
 789                         f=$(echo $file|sed 's/\//\\\//g')
 790                         sed -i "s/$f/$f.ipv6/g" /var/etc/olsrd.conf.ipv6
 791                 done
 792
 793                 SERVICE_PID_FILE="$PID6"
 794                 if service_check /usr/sbin/olsrd; then
 795                         error "there is already an IPv6 instance of olsrd running (pid: '$(cat $PID6)'), not starting."
 796                 else
 797                         service_start /usr/sbin/olsrd -f /var/etc/olsrd.conf.ipv6 -nofork
 798                 fi
 799
 800                 SERVICE_PID_FILE="$PID"
 801                 if service_check /usr/sbin/olsrd; then
 802                         error "there is already an IPv4 instance of olsrd running (pid: '$(cat $PID)'), not starting."
 803                 else
 804                         service_start /usr/sbin/olsrd -f /var/etc/olsrd.conf.ipv4 -nofork
 805                 fi
 806
 807                 sleep 3
 808                 sysctl -w net.ipv6.bindv6only="$bindv6only" > /dev/null
 809
 810         else
 811
 812                 if [ "$ipversion" = "6" ]; then
 813                         sed -i '/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/d' "$OLSRD_CONFIG_FILE"
 814                 fi
 815
 816                 SERVICE_PID_FILE="$PID"
 817                 if service_check /usr/sbin/olsrd; then
 818                         error "there is already an IPv4 instance of olsrd running (pid: '$(cat $PID)'), not starting."
 819                         return 1
 820                 else
 821                         service_start /usr/sbin/olsrd -f "$OLSRD_CONFIG_FILE" -nofork
 822                         service_check /usr/sbin/olsrd || {
 823                                 log "startup-error: check via: '/usr/sbin/olsrd -f \"$OLSRD_CONFIG_FILE\" -nofork'"
 824                         }
 825                 fi
 826         fi
 827
 828         olsrd_setup_smartgw_rules
 829 }
 830
 831 stop() {
 832         SERVICE_PID_FILE="$PID"
 833         service_stop /usr/sbin/olsrd
 834
 835         SERVICE_PID_FILE="$PID6"
 836         service_stop /usr/sbin/olsrd
 837 }