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 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'
  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         log "ERROR: $@"
  25 }
  26
  27 validate_varname() {
  28         local varname="$1"
  29         [ -z "$varname" -o "$varname" != "${varname%%[!A-Za-z0-9_]*}" ] && return 1
  30         return 0
  31 }
  32
  33 validate_olsrd_option() {
  34         local str="$1"
  35         [ -z "$str" -o "$str" != "${str%%[!     0-9A-Za-z./|:_-]*}" ] && return 1
  36         return 0
  37 }
  38
  39 system_config() {
  40         local cfg="$1"
  41         local cfgt hostname latlon oldIFS
  42
  43         config_get cfgt "$cfg" TYPE
  44
  45         if [ "$cfgt" = "system" ]; then
  46                 config_get hostname "$cfg" hostname
  47                 hostname="${hostname:-OpenWrt}"
  48                 SYSTEM_HOSTNAME="$hostname"
  49         fi
  50
  51         if [ -z "$SYSTEM_LAT" -o -z "$SYSTEM_LON" ]; then
  52                 config_get latlon "$cfg" latlon
  53                 oldIFS="$IFS"; IFS=" ${T}${N},"; set -- $latlon; IFS="$oldIFS"
  54                 SYSTEM_LAT="$1"
  55                 SYSTEM_LON="$2"
  56         fi
  57
  58         if [ -z "$SYSTEM_LAT" -o -z "$SYSTEM_LON" ]; then
  59                 config_get latlon "$cfg" latitude
  60                 SYSTEM_LAT="$latlon"
  61                 config_get latlon "$cfg" longitude
  62                 SYSTEM_LON="$latlon"
  63         fi
  64 }
  65
  66 olsrd_find_config_file() {
  67         local cfg="$1"
  68         validate_varname "$cfg" || return 0
  69
  70         config_get_bool ignore "$cfg" ignore 0
  71         [ "$ignore" -ne 0 ] && return 0
  72         config_get OLSRD_CONFIG_FILE "$cfg" config_file
  73
  74         return 0
  75 }
  76
  77 warning_invalid_value() {
  78         local funcname="warning_invalid_value"
  79         local package="$1"
  80         validate_varname "$package" || package=
  81         local config="$2"
  82         validate_varname "$config" || config=
  83         local option="$3"
  84         validate_varname "$option" || option=
  85
  86         if [ -n "$package" -a -n "$config" ]; then
  87                 log "$funcname() in option '$package.$config${option:+.}$option', skipped"
  88         else
  89                 log "$funcname() skipped"
  90         fi
  91
  92         return 0
  93 }
  94
  95 olsrd_write_option() {
  96         local param="$1"
  97         local cfg="$2"
  98         validate_varname "$cfg" || return 1
  99         local option="$3"
 100         validate_varname "$option" || return 1
 101         local value="$4"
 102         local option_type="$5"
 103
 104         if [ "$option_type" = bool ]; then
 105                 case "$value" in
 106                         1|on|true|enabled|yes) value=yes;;
 107                         0|off|false|disabled|no) value=no;;
 108                         *) warning_invalid_value olsrd "$cfg" "$option"; return 1;;
 109                 esac
 110         fi
 111
 112         if ! validate_olsrd_option "$value"; then
 113                 warning_invalid_value olsrd "$cfg" "$option"
 114                 return 1
 115         fi
 116
 117         if [ "$value" != "${value%%[G-Zg-z_-]*}" ]; then
 118                 if [ "$option" != "Ip6AddrType" -a "$option" != "LinkQualityMult" -a "$value" != "yes" -a "$value" != "no" ]; then
 119                         value="\"$value\""
 120                 fi
 121         fi
 122
 123         echo -n "${N}$param$option $value"
 124
 125         return 0
 126 }
 127
 128 olsrd_write_plparam() {
 129         local funcname="olsrd_write_plparam"
 130         local param="$1"
 131         local cfg="$2"
 132         validate_varname "$cfg" || return 1
 133         local option="$3"
 134         validate_varname "$option" || return 1
 135         local value="$4"
 136         local option_type="$5"
 137         local _option oldIFS
 138
 139         if [ "$option_type" = bool ]; then
 140                 case "$value" in
 141                         1|on|true|enabled|yes) value=yes;;
 142                         0|off|false|disabled|no) value=no;;
 143                         *) warning_invalid_value olsrd "$cfg" "$option"; return 1;;
 144                 esac
 145         fi
 146
 147         if ! validate_olsrd_option "$value"; then
 148                 warning_invalid_value olsrd "$cfg" "$option"
 149                 return 1
 150         fi
 151
 152         oldIFS="$IFS"
 153         IFS='-_'
 154         set -- $option
 155         option="$*"
 156         IFS="$oldIFS"
 157         _option="$option"
 158
 159         if [ "$option" = 'hosts' ]; then
 160                 set -- $value
 161                 option="$1"
 162                 shift
 163                 value="$*"
 164         fi
 165
 166         if [ "$option" = 'NonOlsrIf' ]; then
 167                 if validate_varname "$value"; then
 168                         if network_get_device ifname "$value"; then
 169                                 log "$funcname() Info: mdns Interface '$value' ifname '$ifname' found"
 170                         else
 171                                 log "$funcname() Warning: mdns Interface '$value' not found, skipped"
 172                         fi
 173                 else
 174                         warning_invalid_value olsrd "$cfg" "NonOlsrIf"
 175                 fi
 176                 [ -z "$ifname" ] || value=$ifname
 177         fi
 178
 179         echo -n "${N}${param}PlParam \"$option\" \"$value\""
 180
 181         return 0
 182 }
 183
 184 config_update_schema() {
 185         local schema_varname="$1"
 186         validate_varname "$schema_varname" || return 1
 187         local command="$2"
 188         validate_varname "$command" || return 1
 189         local option="$3"
 190         validate_varname "$option" || return 1
 191         local value="$4"
 192         local schema
 193         local cur_option
 194
 195         case "$varname" in
 196                 *_LENGTH) return 0;;
 197                 *_ITEM*) return 0;;
 198         esac
 199
 200         eval "export -n -- \"schema=\${$schema_varname}\""
 201
 202         for cur_option in $schema; do
 203                 [ "${cur_option%%[:=]*}" = "$option" ] && return 0
 204         done
 205
 206         if [ "$command" = list ]; then
 207                 set -- $value
 208                 if [ "$#" -ge "3" ]; then
 209                         schema_entry="$option:list3"
 210                 elif [ "$#" -ge "2" ]; then
 211                         schema_entry="$option:list2"
 212                 else
 213                         schema_entry="$option:list"
 214                 fi
 215         else
 216                 schema_entry="$option"
 217         fi
 218
 219         append "$schema_varname" "$schema_entry"
 220
 221         return 0
 222 }
 223
 224 config_write_options() {
 225         local funcname="config_write_options"
 226         local schema="$1"
 227         local cfg="$2"
 228         validate_varname "$cfg" || return 1
 229         local write_func="$3"
 230         [ -z "$write_func" ] && output_func=echo
 231         local write_param="$4"
 232
 233         local schema_entry option option_length option_type default value list_size list_item list_value i position speed oldIFS
 234         local list_speed_vars="HelloInterval HelloValidityTime TcInterval TcValidityTime MidInterval MidValidityTime HnaInterval HnaValidityTime"
 235
 236         get_value_for_entry()
 237         {
 238                 local schema_entry="$1"
 239
 240                 default="${schema_entry#*[=]}"
 241                 [ "$default" = "$schema_entry" ] && default=
 242                 option="${schema_entry%%[=]*}"
 243
 244                 oldIFS="$IFS"; IFS=':'; set -- $option; IFS="$oldIFS"
 245                 option="$1"
 246                 option_type="$2"
 247
 248                 validate_varname "$option" || return 1
 249                 [ -z "$option_type" ] || validate_varname "$option_type" || return 1
 250                 [ "$option_type" = internal ] && return 1
 251
 252                 config_get value "$cfg" "$option"
 253                 [ "$option" = "speed" ] && return 1
 254
 255                 return 0
 256         }
 257
 258         already_in_schema()
 259         {
 260                 case " $schema " in
 261                         *" $1 "*)
 262                                 return 0
 263                         ;;
 264                         *)
 265                                 return 1
 266                         ;;
 267                 esac
 268         }
 269
 270         already_in_schema "speed" && {
 271                 get_value_for_entry "speed"
 272
 273                 if [ 2>/dev/null $value -gt 0 -a $value -le 20 ]; then
 274                         speed="$value"
 275                 else
 276                         log "$funcname() Warning: invalid speed-value: '$value' - allowed integers: 1...20, fallback to 6"
 277                         speed=6
 278                 fi
 279
 280                 for schema_entry in $list_speed_vars; do {
 281                         already_in_schema "$schema_entry" || schema="$schema $schema_entry"
 282                 } done
 283         }
 284
 285         for schema_entry in $schema; do
 286                 if [ -n "$speed" ]; then                # like sven-ola freifunk firmware fff-1.7.4
 287                         case "$schema_entry" in
 288                                 HelloInterval)
 289                                         value="$(( $speed / 2 + 1 )).0"
 290                                 ;;
 291                                 HelloValidityTime)
 292                                         value="$(( $speed * 25 )).0"
 293                                 ;;
 294                                 TcInterval)     # todo: not fisheye? -> $(( $speed * 2 ))
 295                                         value=$(( $speed / 2 ))
 296                                         [ $value -eq 0 ] && value=1
 297                                         value="$value.0"
 298                                 ;;
 299                                 TcValidityTime)
 300                                         value="$(( $speed * 100 )).0"
 301                                 ;;
 302                                 MidInterval)
 303                                         value="$(( $speed * 5 )).0"
 304                                 ;;
 305                                 MidValidityTime)
 306                                         value="$(( $speed * 100 )).0"
 307                                 ;;
 308                                 HnaInterval)
 309                                         value="$(( $speed * 2 )).0"
 310                                 ;;
 311                                 HnaValidityTime)
 312                                         value="$(( $speed * 25 )).0"
 313                                 ;;
 314                                 *)
 315                                         get_value_for_entry "$schema_entry" || continue
 316                                 ;;
 317                         esac
 318
 319                         is_speed_var()
 320                         {
 321                                 case " $list_speed_vars " in
 322                                         *" $1 "*)
 323                                                 return 0
 324                                         ;;
 325                                         *)
 326                                                 return 1
 327                                         ;;
 328                                 esac
 329                         }
 330
 331                         is_speed_var "$schema_entry" && option="$schema_entry"
 332                 else
 333                         get_value_for_entry "$schema_entry" || continue
 334                 fi
 335
 336                 if [ -z "$value" ]; then
 337                         oldIFS="$IFS"; IFS='+'; set -- $default; IFS="$oldIFS"
 338                         value=$*
 339                 elif [ "$value" = '-' -a -n "$default" ]; then
 340                         continue
 341                 fi
 342
 343                 [ -z "$value" ] && continue
 344
 345                 case "$option_type" in
 346                         list) list_size=1;;
 347                         list2) list_size=2;;
 348                         list3) list_size=3;;
 349                         *) list_size=0;;
 350                 esac
 351
 352                 if [ "$list_size" -gt 0 ]; then
 353                         config_get option_length "$cfg" "${option}_LENGTH"
 354                         if [ -n "$option_length" ]; then
 355                                 i=1
 356                                 while [ "$i" -le "$option_length" ]; do
 357                                         config_get list_value "$cfg" "${option}_ITEM$i"
 358                                         "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
 359                                         i=$((i + 1))
 360                                 done
 361                         else
 362                                 list_value=
 363                                 i=0
 364                                 for list_item in $value; do
 365                                         append "list_value" "$list_item"
 366                                         i=$((i + 1))
 367                                         position=$((i % list_size))
 368                                         if [ "$position" -eq 0 ]; then
 369                                                 "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
 370                                                 list_value=
 371                                         fi
 372                                 done
 373                                 [ "$position" -ne 0 ] && "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type"
 374                         fi
 375                 else
 376                         "$write_func" "$write_param" "$cfg" "$option" "$value" "$option_type"
 377                 fi
 378         done
 379
 380         return 0
 381 }
 382
 383 olsrd_write_olsrd() {
 384         local cfg="$1"
 385         validate_varname "$cfg" || return 0
 386         local ignore
 387
 388         config_get_bool ignore "$cfg" ignore 0
 389         [ "$ignore" -ne 0 ] && return 0
 390
 391         [ "$OLSRD_COUNT" -gt 0 ] && return 0
 392
 393         config_get ipversion "$cfg" IpVersion
 394         config_get smartgateway "$cfg" SmartGateway
 395         config_get smartgatewayuplink "$cfg" SmartGatewayUplink
 396
 397         config_write_options "$OLSRD_OLSRD_SCHEMA" "$cfg" olsrd_write_option
 398         echo
 399         OLSRD_COUNT=$((OLSRD_COUNT + 1))
 400         return 0
 401 }
 402
 403 olsrd_write_ipcconnect() {
 404         local cfg="$1"
 405         validate_varname "$cfg" || return 0
 406         local ignore
 407
 408         config_get_bool ignore "$cfg" ignore 0
 409         [ "$ignore" -ne 0 ] && return 0
 410
 411         [ "$IPCCONNECT_COUNT" -gt 0 ] && return 0
 412
 413         echo -n "${N}IpcConnect${N}{"
 414         config_write_options "$OLSRD_IPCCONNECT_SCHEMA" "$cfg" olsrd_write_option "${T}"
 415         echo "${N}}"
 416         IPCCONNECT_COUNT=$((IPCCONNECT_COUNT + 1))
 417
 418         return 0
 419 }
 420
 421 olsrd_write_hna4() {
 422         local cfg="$1"
 423         validate_varname "$cfg" || return 0
 424         local ignore
 425
 426         config_get_bool ignore "$cfg" ignore 0
 427         [ "$ignore" -ne 0 ] && return 0
 428
 429         config_get netaddr "$cfg" netaddr
 430         if ! validate_olsrd_option "$netaddr"; then
 431                 warning_invalid_value olsrd "$cfg" "netaddr"
 432                 return 0
 433         fi
 434
 435         config_get netmask "$cfg" netmask
 436         if ! validate_olsrd_option "$netmask"; then
 437                 warning_invalid_value olsrd "$cfg" "netmask"
 438                 return 0
 439         fi
 440
 441         [ "$HNA4_COUNT" -le 0 ] && echo -n "${N}Hna4${N}{"
 442         echo -n "${N}${T}${T}$netaddr $netmask"
 443         HNA4_COUNT=$((HNA4_COUNT + 1))
 444
 445         return 0
 446 }
 447
 448 olsrd_write_hna6() {
 449         local cfg="$1"
 450         validate_varname "$cfg" || return 0
 451         local ignore
 452
 453         config_get_bool ignore "$cfg" ignore 0
 454         [ "$ignore" -ne 0 ] && return 0
 455
 456         config_get netaddr "$cfg" netaddr
 457         if ! validate_olsrd_option "$netaddr"; then
 458                 warning_invalid_value olsrd "$cfg" "netaddr"
 459                 return 0
 460         fi
 461
 462         config_get prefix "$cfg" prefix
 463         if ! validate_olsrd_option "$prefix"; then
 464                 warning_invalid_value olsrd "$cfg" "prefix"
 465                 return 0
 466         fi
 467
 468         [ "$HNA6_COUNT" -le 0 ] && echo -n "${N}Hna6${N}{"
 469         echo -n "${N}${T}${T}$netaddr $prefix"
 470         HNA6_COUNT=$((HNA6_COUNT + 1))
 471
 472         return 0
 473 }
 474
 475 olsrd_write_loadplugin() {
 476         local funcname="olsrd_write_loadplugin"
 477         local cfg="$1"
 478         validate_varname "$cfg" || return 0
 479         local ignore
 480         local name
 481         local suffix
 482         local lat
 483         local lon
 484         local latlon_infile
 485
 486         config_get_bool ignore "$cfg" ignore 0
 487         [ "$ignore" -ne 0 ] && return 0
 488
 489         config_get library "$cfg" library
 490         if ! validate_olsrd_option "$library"; then
 491                 warning_invalid_value olsrd "$cfg" "library"
 492                 return 0
 493         fi
 494         if ! [ -x "/lib/$library" -o -x "/usr/lib/$library" -o -x "/usr/local/lib/$library" ]; then
 495                 log "$funcname() Warning: Plugin library '$library' not found, skipped"
 496                 return 0
 497         fi
 498
 499         case "$library" in
 500                 olsrd_nameservice.*)
 501                         config_get name "$cfg" name
 502                         [ -z "$name" ] && config_set "$cfg" name $SYSTEM_HOSTNAME
 503
 504                         config_get suffix "$cfg" suffix
 505                         [ -z "$suffix" ] && config_set "$cfg" suffix '.olsr'
 506
 507                         config_get lat "$cfg" lat
 508                         config_get lon "$cfg" lon
 509                         config_get latlon_infile "$cfg" latlon_infile
 510                         if [ \( -z "$lat" -o -z "$lat" \) -a -z "$latlon_infile" ]; then
 511                                 if [ -f '/var/run/latlon.txt' ]; then
 512                                         config_set "$cfg" lat ''
 513                                         config_set "$cfg" lon ''
 514                                         config_set "$cfg" latlon_infile '/var/run/latlon.txt'
 515                                 else
 516                                         config_set "$cfg" lat "$SYSTEM_LAT"
 517                                         config_set "$cfg" lon "$SYSTEM_LON"
 518                                 fi
 519                         fi
 520
 521                         for f in latlon_file hosts_file services_file resolv_file macs_file; do
 522                                 config_get $f "$cfg" $f
 523                         done
 524
 525                         [ -z "$latlon_file" ] && config_set "$cfg" latlon_file '/var/run/latlon.js'
 526                 ;;
 527                 olsrd_watchdog.*)
 528                         config_get wd_file "$cfg" file
 529                 ;;
 530         esac
 531
 532         echo -n "${N}LoadPlugin \"$library\"${N}{"
 533         config_write_options "$OLSRD_LOADPLUGIN_SCHEMA" "$cfg" olsrd_write_plparam "${T}"
 534         echo "${N}}"
 535
 536         return 0
 537 }
 538
 539 olsrd_write_interface() {
 540         local funcname="olsrd_write_interface"
 541         local cfg="$1"
 542         validate_varname "$cfg" || return 0
 543         local ignore
 544         local interfaces
 545         local interface
 546         local ifnames
 547
 548         config_get_bool ignore "$cfg" ignore 0
 549         [ "$ignore" -ne 0 ] && return 0
 550
 551         ifnames=
 552         config_get interfaces "$cfg" interface
 553
 554         for interface in $interfaces; do
 555                 if validate_varname "$interface"; then
 556                         if network_get_device IFNAME "$interface"; then
 557                                 ifnames="$ifnames \"$IFNAME\""
 558                                 ifsglobal="$ifsglobal $IFNAME"
 559                         elif network_get_physdev IFNAME "$interface"; then
 560                                 local proto="$(uci -q get network.${interface}.proto)"
 561                                 if [ "$proto" = "static" -o "$proto" = "none" ]; then
 562                                         ifnames="$ifnames \"$IFNAME\""
 563                                         ifsglobal="$ifsglobal $IFNAME"
 564                                 fi
 565                         else
 566                                 log "$funcname() Warning: Interface '$interface' not found, skipped"
 567                         fi
 568                 else
 569                         warning_invalid_value olsrd "$cfg" "interface"
 570                 fi
 571         done
 572
 573         [ -z "$ifnames" ] && return 0
 574
 575         echo -n "${N}Interface$ifnames${N}{"
 576         config_write_options "$OLSRD_INTERFACE_SCHEMA" "$cfg" olsrd_write_option "${T}"
 577         echo "${N}}"
 578         INTERFACES_COUNT=$((INTERFACES_COUNT + 1))
 579
 580         return 0
 581 }
 582
 583 olsrd_write_interface_defaults() {
 584         local cfg="$1"
 585         validate_varname "$cfg" || return 0
 586
 587         echo -n "${N}InterfaceDefaults$ifnames${N}{"
 588         config_write_options "$OLSRD_INTERFACE_DEFAULTS_SCHEMA" "$cfg" olsrd_write_option "${T}"
 589         echo "${N}}"
 590
 591         return 1
 592 }
 593
 594 olsrd_update_schema() {
 595         local command="$1"
 596         validate_varname "$command" || return 0
 597         local varname="$2"
 598         validate_varname "$varname" || return 0
 599         local value="$3"
 600         local cfg="$CONFIG_SECTION"
 601         local cfgt
 602         local cur_varname
 603
 604         config_get cfgt "$cfg" TYPE
 605         case "$cfgt" in
 606                 olsrd) config_update_schema OLSRD_OLSRD_SCHEMA "$command" "$varname" "$value";;
 607                 IpcConnect) config_update_schema OLSRD_IPCCONNECT_SCHEMA "$command" "$varname" "$value";;
 608                 LoadPlugin) config_update_schema OLSRD_LOADPLUGIN_SCHEMA "$command" "$varname" "$value";;
 609                 Interface) config_update_schema OLSRD_INTERFACE_SCHEMA "$command" "$varname" "$value";;
 610                 InterfaceDefaults) config_update_schema OLSRD_INTERFACE_DEFAULTS_SCHEMA "$command" "$varname" "$value";;
 611         esac
 612
 613         return 0
 614 }
 615
 616 olsrd_write_config() {
 617         OLSRD_COUNT=0
 618         config_foreach olsrd_write_olsrd olsrd
 619
 620         if [ ! -z "$ipversion" ]; then
 621                 if [ "$ipversion" = "6and4" ]; then
 622                         error "IpVersion 6and4 is no longer supported!"
 623                         error "You must use /etc/config/olsrd4 for IPv4 and /etc/config/olsrd6 for IPv4"
 624                 else
 625                         error "Option IpVersion is no longer supported!"
 626                         error "Please remove it from /etc/config/$UCI_CONF_NAME"
 627                 fi
 628
 629                 return 1
 630         fi
 631
 632         IPCCONNECT_COUNT=0
 633         config_foreach olsrd_write_ipcconnect IpcConnect
 634         HNA4_COUNT=0
 635         config_foreach olsrd_write_hna4 Hna4
 636         [ "$HNA4_COUNT" -gt 0 ] && echo "${N}}"
 637         HNA6_COUNT=0
 638         config_foreach olsrd_write_hna6 Hna6
 639         [ "$HNA6_COUNT" -gt 0 ] && echo "${N}}"
 640         config_foreach olsrd_write_loadplugin LoadPlugin
 641         INTERFACES_COUNT=0
 642         config_foreach olsrd_write_interface_defaults InterfaceDefaults
 643         config_foreach olsrd_write_interface Interface
 644         echo
 645
 646         return 0
 647 }
 648
 649 get_wan_ifnames()
 650 {
 651         local wanifnames word catch_next
 652
 653         which ip >/dev/null || return 1
 654
 655         set -- $( ip route list exact 0.0.0.0/0 table all )
 656         for word in $*; do
 657                 case "$word" in
 658                         dev)
 659                                 catch_next="true"
 660                         ;;
 661                         *)
 662                                 [ -n "$catch_next" ] && {
 663                                         case "$wanifnames" in
 664                                                 *" $word "*)
 665                                                 ;;
 666                                                 *)
 667                                                         wanifnames="$wanifnames $word "
 668                                                 ;;
 669                                         esac
 670
 671                                         catch_next=
 672                                 }
 673                         ;;
 674                 esac
 675         done
 676
 677         echo "$wanifnames"
 678 }
 679
 680 olsrd_setup_smartgw_rules() {
 681         local funcname="olsrd_setup_smartgw_rules"
 682         # Check if ipip is installed
 683         [ -e /etc/modules.d/[0-9]*-ipip ] || {
 684                 log "$funcname() Warning: kmod-ipip is missing. SmartGateway will not work until you install it."
 685                 return 1
 686         }
 687
 688         local wanifnames="$( get_wan_ifnames )"
 689
 690         if [ -z "$wanifnames" ]; then
 691                 nowan=1
 692         else
 693                 nowan=0
 694         fi
 695
 696         IP4T=$(which iptables)
 697         IP6T=$(which ip6tables)
 698
 699         # Delete smartgw firewall rules first
 700         for IPT in $IP4T $IP6T; do
 701                 while $IPT -D forwarding_rule -o tnl_+ -j ACCEPT 2> /dev/null; do :;done
 702                 for IFACE in $wanifnames; do
 703                         while $IPT -D forwarding_rule -i tunl0 -o $IFACE -j ACCEPT 2> /dev/null; do :; done
 704                 done
 705                 for IFACE in $ifsglobal; do
 706                         while $IPT -D input_rule -i $IFACE -p 4 -j ACCEPT 2> /dev/null; do :; done
 707                 done
 708         done
 709         while $IP4T -t nat -D postrouting_rule -o tnl_+ -j MASQUERADE 2> /dev/null; do :;done
 710
 711         if [ "$smartgateway" == "yes" ]; then
 712                 log "$funcname() Notice: Inserting firewall rules for SmartGateway"
 713                 if [ ! "$smartgatewayuplink" == "none" ]; then
 714                         if [ "$smartgatewayuplink" == "ipv4" ]; then
 715                                 # Allow everything to be forwarded to tnl_+ and use NAT for it
 716                                 $IP4T -I forwarding_rule -o tnl_+ -j ACCEPT
 717                                 $IP4T -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
 718                                 # Allow forwarding from tunl0 to (all) wan-interfaces
 719                                 if [ "$nowan"="0" ]; then
 720                                         for IFACE in $wanifnames; do
 721                                                 $IP4T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 722                                         done
 723                                 fi
 724                                 # Allow incoming ipip on all olsr-interfaces
 725                                 for IFACE in $ifsglobal; do
 726                                         $IP4T -I input_rule -i $IFACE -p 4 -j ACCEPT
 727                                 done
 728                         elif [ "$smartgatewayuplink" == "ipv6" ]; then
 729                                 $IP6T -I forwarding_rule -o tnl_+ -j ACCEPT
 730                                 if [ "$nowan"="0" ]; then
 731                                         for IFACE in $wanifnames; do
 732                                                 $IP6T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 733                                         done
 734                                 fi
 735                                 for IFACE in $ifsglobal; do
 736                                         $IP6T -I input_rule -i $IFACE -p 4 -j ACCEPT
 737                                 done
 738                         else
 739                                 $IP4T -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
 740                                 for IPT in $IP4T $IP6T; do
 741                                         $IPT -I forwarding_rule -o tnl_+ -j ACCEPT
 742                                         if [ "$nowan"="0" ]; then
 743                                                 for IFACE in $wanifnames; do
 744                                                         $IPT -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 745                                                 done
 746                                         fi
 747                                         for IFACE in $ifsglobal; do
 748                                                 $IPT -I input_rule -i $IFACE -p 4 -j ACCEPT
 749                                         done
 750                                 done
 751                         fi
 752                 fi
 753         fi
 754 }
 755
 756 start() {
 757         if [ -f /etc/config/olsrd ]; then
 758                error "/etc/config/olsrd no longer supported!"
 759                error "please move your config file to /etc/config/olsrd4 and/or /etc/config/olsrd6"
 760
 761                return 1
 762         fi
 763
 764         SYSTEM_HOSTNAME=
 765         SYSTEM_LAT=
 766         SYSTEM_LON=
 767         config_load system
 768         config_foreach system_config system
 769
 770         option_cb() {
 771                 olsrd_update_schema "option" "$@"
 772         }
 773
 774         list_cb() {
 775                 olsrd_update_schema "list" "$@"
 776         }
 777
 778         . /lib/functions/network.sh
 779
 780         config_load $UCI_CONF_NAME
 781         reset_cb
 782
 783         OLSRD_CONFIG_FILE=
 784         config_foreach olsrd_find_config_file olsrd
 785
 786         if [ -z "$OLSRD_CONFIG_FILE" ]; then
 787                 mkdir -p -- /var/etc/
 788                 olsrd_write_config > /var/etc/$UCI_CONF_NAME.conf || return 1
 789                 if [ "$INTERFACES_COUNT" -gt 0 -a "$OLSRD_COUNT" -gt 0 ]; then
 790                         OLSRD_CONFIG_FILE=/var/etc/$UCI_CONF_NAME.conf
 791                 fi
 792         fi
 793
 794         [ -z "$OLSRD_CONFIG_FILE" ] && return 1
 795
 796         SERVICE_PID_FILE="$PID"
 797         if service_check /usr/sbin/olsrd; then
 798                 error "there is already an instance of $UCI_CONF_NAME running (pid: '$(cat $PID)'), not starting."
 799                 return 1
 800         else
 801                 service_start /usr/sbin/olsrd -f "$OLSRD_CONFIG_FILE" -nofork
 802                 sleep 1
 803                 service_check /usr/sbin/olsrd || {
 804                         log "startup-error: check via: '/usr/sbin/olsrd -f \"$OLSRD_CONFIG_FILE\" -nofork'"
 805                 }
 806         fi
 807
 808         olsrd_setup_smartgw_rules
 809 }
 810
 811 stop() {
 812         SERVICE_PID_FILE="$PID"
 813         service_stop /usr/sbin/olsrd
 814 }