olsrd/files/olsrd.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2008-2017 OpenWrt.org
   3
   4 START=65
   5
   6 SERVICE_DAEMONIZE=1
   7 SERVICE_WRITE_PID=1
   8
   9 OLSRD_OLSRD_SCHEMA='ignore:internal config_file:internal DebugLevel=0 AllowNoInt=yes'
  10 OLSRD_IPCCONNECT_SCHEMA='ignore:internal Host:list Net:list2'
  11 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 ipv6only:bool'
  12 OLSRD_INTERFACE_SCHEMA='ignore:internal interface:internal AutoDetectChanges:bool LinkQualityMult:list2'
  13 OLSRD_INTERFACE_DEFAULTS_SCHEMA='AutoDetectChanges:bool'
  14
  15 T='     '
  16 N='
  17 '
  18
  19 log() {
  20         logger -t olsrd -p daemon.info -s "${initscript}: $@"
  21 }
  22
  23 error() {
  24         logger -t olsrd -p daemon.err -s "${initscript}: ERROR: $@"
  25 }
  26
  27 warn() {
  28         logger -t olsrd -p daemon.warn -s "${initscript}: WARNING: $@"
  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         [ "$OLSRD_COUNT" -gt 0 ] && return 0
 396
 397         config_get smartgateway "$cfg" SmartGateway
 398         config_get smartgatewayuplink "$cfg" SmartGatewayUplink
 399
 400         config_write_options "$OLSRD_OLSRD_SCHEMA" "$cfg" olsrd_write_option
 401         echo
 402         OLSRD_COUNT=$((OLSRD_COUNT + 1))
 403         return 0
 404 }
 405
 406 olsrd_write_ipcconnect() {
 407         local cfg="$1"
 408         validate_varname "$cfg" || return 0
 409         local ignore
 410
 411         config_get_bool ignore "$cfg" ignore 0
 412         [ "$ignore" -ne 0 ] && return 0
 413
 414         [ "$IPCCONNECT_COUNT" -gt 0 ] && return 0
 415
 416         echo -n "${N}IpcConnect${N}{"
 417         config_write_options "$OLSRD_IPCCONNECT_SCHEMA" "$cfg" olsrd_write_option "${T}"
 418         echo "${N}}"
 419         IPCCONNECT_COUNT=$((IPCCONNECT_COUNT + 1))
 420
 421         return 0
 422 }
 423
 424 olsrd_write_hna4() {
 425         local cfg="$1"
 426         validate_varname "$cfg" || return 0
 427         local ignore
 428
 429         config_get_bool ignore "$cfg" ignore 0
 430         [ "$ignore" -ne 0 ] && return 0
 431
 432         config_get netaddr "$cfg" netaddr
 433         if ! validate_olsrd_option "$netaddr"; then
 434                 warning_invalid_value olsrd "$cfg" "netaddr"
 435                 return 0
 436         fi
 437
 438         config_get netmask "$cfg" netmask
 439         if ! validate_olsrd_option "$netmask"; then
 440                 warning_invalid_value olsrd "$cfg" "netmask"
 441                 return 0
 442         fi
 443
 444         [ "$HNA4_COUNT" -le 0 ] && echo -n "${N}Hna4${N}{"
 445         echo -n "${N}${T}${T}$netaddr $netmask"
 446         HNA4_COUNT=$((HNA4_COUNT + 1))
 447
 448         return 0
 449 }
 450
 451 olsrd_write_hna6() {
 452         local cfg="$1"
 453         validate_varname "$cfg" || return 0
 454         local ignore
 455
 456         config_get_bool ignore "$cfg" ignore 0
 457         [ "$ignore" -ne 0 ] && return 0
 458
 459         config_get netaddr "$cfg" netaddr
 460         if ! validate_olsrd_option "$netaddr"; then
 461                 warning_invalid_value olsrd "$cfg" "netaddr"
 462                 return 0
 463         fi
 464
 465         config_get prefix "$cfg" prefix
 466         if ! validate_olsrd_option "$prefix"; then
 467                 warning_invalid_value olsrd "$cfg" "prefix"
 468                 return 0
 469         fi
 470
 471         [ "$HNA6_COUNT" -le 0 ] && echo -n "${N}Hna6${N}{"
 472         echo -n "${N}${T}${T}$netaddr $prefix"
 473         HNA6_COUNT=$((HNA6_COUNT + 1))
 474
 475         return 0
 476 }
 477
 478 find_most_recent_plugin_libary()
 479 {
 480         local library="$1"
 481         local file unixtime
 482
 483         for file in "/lib/$library"* "/usr/lib/$library"* "/usr/local/lib/$library"*; do {
 484                 [ -f "$file" ] && {
 485                         unixtime="$( date +%s -r "$file" )"
 486                         echo "$unixtime $file"
 487                 }
 488         } done | sort -n | tail -n1 | cut -d' ' -f2
 489 }
 490
 491 olsrd_write_loadplugin()
 492 {
 493         local funcname='olsrd_write_loadplugin'
 494         local cfg="$1"
 495         local ignore name suffix lat lon latlon_infile
 496
 497         validate_varname "$cfg" || return 0
 498
 499         config_get_bool ignore "$cfg" ignore 0
 500         [ "$ignore" -ne 0 ] && return 0
 501
 502         # e.g. olsrd_txtinfo.so.1.1 or 'olsrd_txtinfo'
 503         config_get library "$cfg" library
 504
 505         library="$( find_most_recent_plugin_libary "$library" )"
 506         if [ -z "$library" ]; then
 507                 log "$funcname() Warning: Plugin library '$library' not found, skipped"
 508                 return 0
 509         else
 510                 library="$( basename "$library" )"
 511         fi
 512
 513         validate_olsrd_option "$library" || {
 514                 warning_invalid_value olsrd "$cfg" 'library'
 515                 return 0
 516         }
 517
 518         case "$library" in
 519                 'olsrd_nameservice.'*)
 520                         config_get name "$cfg" name
 521                         [ -z "$name" ] && config_set "$cfg" name $SYSTEM_HOSTNAME
 522
 523                         config_get suffix "$cfg" suffix
 524                         [ -z "$suffix" ] && config_set "$cfg" suffix '.olsr'
 525
 526                         config_get lat "$cfg" lat
 527                         config_get lon "$cfg" lon
 528                         config_get latlon_infile "$cfg" latlon_infile
 529                         if [ \( -z "$lat" -o -z "$lat" \) -a -z "$latlon_infile" ]; then
 530                                 if [ -f '/var/run/latlon.txt' ]; then
 531                                         config_set "$cfg" lat ''
 532                                         config_set "$cfg" lon ''
 533                                         config_set "$cfg" latlon_infile '/var/run/latlon.txt'
 534                                 else
 535                                         config_set "$cfg" lat "$SYSTEM_LAT"
 536                                         config_set "$cfg" lon "$SYSTEM_LON"
 537                                 fi
 538                         fi
 539
 540                         for f in latlon_file hosts_file services_file resolv_file macs_file; do
 541                                 config_get $f "$cfg" $f
 542                         done
 543
 544                         [ -z "$latlon_file" ] && config_set "$cfg" latlon_file '/var/run/latlon.js'
 545                 ;;
 546                 'olsrd_watchdog.'*)
 547                         config_get wd_file "$cfg" file
 548                 ;;
 549         esac
 550
 551         echo -n "${N}LoadPlugin \"$library\"${N}{"
 552         config_write_options "$OLSRD_LOADPLUGIN_SCHEMA" "$cfg" olsrd_write_plparam "${T}"
 553         echo "${N}}"
 554 }
 555
 556 olsrd_write_interface() {
 557         local funcname="olsrd_write_interface"
 558         local cfg="$1"
 559         validate_varname "$cfg" || return 0
 560         local ignore
 561         local interfaces
 562         local interface
 563         local ifnames
 564
 565         config_get_bool ignore "$cfg" ignore 0
 566         [ "$ignore" -ne 0 ] && return 0
 567
 568         ifnames=
 569         config_get interfaces "$cfg" interface
 570
 571         for interface in $interfaces; do
 572                 if validate_varname "$interface"; then
 573                         if network_get_device IFNAME "$interface"; then
 574                                 ifnames="$ifnames \"$IFNAME\""
 575                                 ifsglobal="$ifsglobal $IFNAME"
 576                         elif network_get_physdev IFNAME "$interface"; then
 577                                 local proto="$(uci -q get network.${interface}.proto)"
 578                                 if [ "$proto" = "static" -o "$proto" = "none" ]; then
 579                                         ifnames="$ifnames \"$IFNAME\""
 580                                         ifsglobal="$ifsglobal $IFNAME"
 581                                 fi
 582                         else
 583                                 log "$funcname() Warning: Interface '$interface' not found, skipped"
 584                         fi
 585                 else
 586                         warning_invalid_value olsrd "$cfg" "interface"
 587                 fi
 588         done
 589
 590         [ -z "$ifnames" ] && return 0
 591
 592         echo -n "${N}Interface$ifnames${N}{"
 593         config_write_options "$OLSRD_INTERFACE_SCHEMA" "$cfg" olsrd_write_option "${T}"
 594         echo "${N}}"
 595         INTERFACES_COUNT=$((INTERFACES_COUNT + 1))
 596
 597         return 0
 598 }
 599
 600 olsrd_write_interface_defaults() {
 601         local cfg="$1"
 602         validate_varname "$cfg" || return 0
 603
 604         echo -n "${N}InterfaceDefaults$ifnames${N}{"
 605         config_write_options "$OLSRD_INTERFACE_DEFAULTS_SCHEMA" "$cfg" olsrd_write_option "${T}"
 606         echo "${N}}"
 607
 608         return 1
 609 }
 610
 611 olsrd_update_schema() {
 612         local command="$1"
 613         validate_varname "$command" || return 0
 614         local varname="$2"
 615         validate_varname "$varname" || return 0
 616         local value="$3"
 617         local cfg="$CONFIG_SECTION"
 618         local cfgt
 619         local cur_varname
 620
 621         config_get cfgt "$cfg" TYPE
 622         case "$cfgt" in
 623                 olsrd) config_update_schema OLSRD_OLSRD_SCHEMA "$command" "$varname" "$value";;
 624                 IpcConnect) config_update_schema OLSRD_IPCCONNECT_SCHEMA "$command" "$varname" "$value";;
 625                 LoadPlugin) config_update_schema OLSRD_LOADPLUGIN_SCHEMA "$command" "$varname" "$value";;
 626                 Interface) config_update_schema OLSRD_INTERFACE_SCHEMA "$command" "$varname" "$value";;
 627                 InterfaceDefaults) config_update_schema OLSRD_INTERFACE_DEFAULTS_SCHEMA "$command" "$varname" "$value";;
 628         esac
 629
 630         return 0
 631 }
 632
 633 olsrd_write_config() {
 634         OLSRD_COUNT=0
 635         config_foreach olsrd_write_olsrd olsrd
 636         IPCCONNECT_COUNT=0
 637         config_foreach olsrd_write_ipcconnect IpcConnect
 638         HNA4_COUNT=0
 639         config_foreach olsrd_write_hna4 Hna4
 640         [ "$HNA4_COUNT" -gt 0 ] && echo "${N}}"
 641         HNA6_COUNT=0
 642         config_foreach olsrd_write_hna6 Hna6
 643         [ "$HNA6_COUNT" -gt 0 ] && echo "${N}}"
 644         config_foreach olsrd_write_loadplugin LoadPlugin
 645         INTERFACES_COUNT=0
 646         config_foreach olsrd_write_interface_defaults InterfaceDefaults
 647         config_foreach olsrd_write_interface Interface
 648         echo
 649
 650         return 0
 651 }
 652
 653 get_wan_ifnames()
 654 {
 655         local wanifnames word catch_next
 656
 657         which ip >/dev/null || return 1
 658
 659         set -- $( ip route list exact 0.0.0.0/0 table all )
 660         for word in $*; do
 661                 case "$word" in
 662                         dev)
 663                                 catch_next="true"
 664                         ;;
 665                         *)
 666                                 [ -n "$catch_next" ] && {
 667                                         case "$wanifnames" in
 668                                                 *" $word "*)
 669                                                 ;;
 670                                                 *)
 671                                                         wanifnames="$wanifnames $word "
 672                                                 ;;
 673                                         esac
 674
 675                                         catch_next=
 676                                 }
 677                         ;;
 678                 esac
 679         done
 680
 681         echo "$wanifnames"
 682 }
 683
 684 olsrd_setup_smartgw_rules() {
 685         local funcname="olsrd_setup_smartgw_rules"
 686         # Check if ipip is installed
 687         [ -e /etc/modules.d/[0-9]*-ipip ] || {
 688                 log "$funcname() Warning: kmod-ipip is missing. SmartGateway will not work until you install it."
 689                 return 1
 690         }
 691
 692         local wanifnames="$( get_wan_ifnames )"
 693
 694         if [ -z "$wanifnames" ]; then
 695                 nowan=1
 696         else
 697                 nowan=0
 698         fi
 699
 700         IP4T=$(which iptables)
 701         IP6T=$(which ip6tables)
 702
 703         # Delete smartgw firewall rules first
 704         if [ "$UCI_CONF_NAME" = "olsrd6" ]; then
 705                 while $IP6T -D forwarding_rule -o tnl_+ -j ACCEPT 2> /dev/null; do :;done
 706                 for IFACE in $wanifnames; do
 707                         while $IP6T -D forwarding_rule -i tunl0 -o $IFACE -j ACCEPT 2> /dev/null; do :; done
 708                 done
 709                 for IFACE in $ifsglobal; do
 710                         while $IP6T -D input_rule -i $IFACE -p 4 -j ACCEPT 2> /dev/null; do :; done
 711                 done
 712         else
 713                 while $IP4T -D forwarding_rule -o tnl_+ -j ACCEPT 2> /dev/null; do :;done
 714                 for IFACE in $wanifnames; do
 715                         while $IP4T -D forwarding_rule -i tunl0 -o $IFACE -j ACCEPT 2> /dev/null; do :; done
 716                 done
 717                 for IFACE in $ifsglobal; do
 718                         while $IP4T -D input_rule -i $IFACE -p 4 -j ACCEPT 2> /dev/null; do :; done
 719                 done
 720                 while $IP4T -t nat -D postrouting_rule -o tnl_+ -j MASQUERADE 2> /dev/null; do :;done
 721         fi
 722
 723         if [ "$smartgateway" = "yes" ]; then
 724                 log "$funcname() Notice: Inserting firewall rules for SmartGateway"
 725                 if [ ! "$smartgatewayuplink" = "none" ]; then
 726                         if [ "$smartgatewayuplink" = "ipv4" ]; then
 727                                 # Allow everything to be forwarded to tnl_+ and use NAT for it
 728                                 $IP4T -I forwarding_rule -o tnl_+ -j ACCEPT
 729                                 $IP4T -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
 730                                 # Allow forwarding from tunl0 to (all) wan-interfaces
 731                                 if [ "$nowan"="0" ]; then
 732                                         for IFACE in $wanifnames; do
 733                                                 $IP4T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 734                                         done
 735                                 fi
 736                                 # Allow incoming ipip on all olsr-interfaces
 737                                 for IFACE in $ifsglobal; do
 738                                         $IP4T -I input_rule -i $IFACE -p 4 -j ACCEPT
 739                                 done
 740                         elif [ "$smartgatewayuplink" = "ipv6" ]; then
 741                                 $IP6T -I forwarding_rule -o tnl_+ -j ACCEPT
 742                                 if [ "$nowan"="0" ]; then
 743                                         for IFACE in $wanifnames; do
 744                                                 $IP6T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 745                                         done
 746                                 fi
 747                                 for IFACE in $ifsglobal; do
 748                                         $IP6T -I input_rule -i $IFACE -p 4 -j ACCEPT
 749                                 done
 750                         else
 751                                 $IP4T -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
 752                                 for IPT in $IP4T $IP6T; do
 753                                         $IPT -I forwarding_rule -o tnl_+ -j ACCEPT
 754                                         if [ "$nowan"="0" ]; then
 755                                                 for IFACE in $wanifnames; do
 756                                                         $IPT -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 757                                                 done
 758                                         fi
 759                                         for IFACE in $ifsglobal; do
 760                                                 $IPT -I input_rule -i $IFACE -p 4 -j ACCEPT
 761                                         done
 762                                 done
 763                         fi
 764                 fi
 765         fi
 766 }
 767
 768 start() {
 769         SYSTEM_HOSTNAME=
 770         SYSTEM_LAT=
 771         SYSTEM_LON=
 772         config_load system
 773         config_foreach system_config system
 774
 775         option_cb() {
 776                 olsrd_update_schema "option" "$@"
 777         }
 778
 779         list_cb() {
 780                 olsrd_update_schema "list" "$@"
 781         }
 782
 783         . /lib/functions/network.sh
 784
 785         config_load $UCI_CONF_NAME
 786         reset_cb
 787
 788         OLSRD_CONFIG_FILE=
 789         config_foreach olsrd_find_config_file olsrd
 790
 791         if [ -z "$OLSRD_CONFIG_FILE" ]; then
 792                 mkdir -p -- /var/etc/
 793                 olsrd_write_config > /var/etc/$UCI_CONF_NAME.conf || return 1
 794                 if [ "$INTERFACES_COUNT" -gt 0 -a "$OLSRD_COUNT" -gt 0 ]; then
 795                         OLSRD_CONFIG_FILE=/var/etc/$UCI_CONF_NAME.conf
 796                 fi
 797         fi
 798
 799         [ -z "$OLSRD_CONFIG_FILE" ] && return 1
 800
 801         SERVICE_PID_FILE="$PID"
 802         if service_check /usr/sbin/olsrd; then
 803                 error "there is already an instance of $UCI_CONF_NAME running (pid: '$(cat $PID)'), not starting."
 804                 return 1
 805         else
 806                 service_start /usr/sbin/olsrd -f "$OLSRD_CONFIG_FILE" -nofork
 807                 sleep 1
 808                 service_check /usr/sbin/olsrd || {
 809                         log "startup-error: check via: '/usr/sbin/olsrd -f \"$OLSRD_CONFIG_FILE\" -nofork'"
 810                 }
 811         fi
 812
 813         olsrd_setup_smartgw_rules
 814 }
 815
 816 stop() {
 817         SERVICE_PID_FILE="$PID"
 818         service_stop /usr/sbin/olsrd
 819 }