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="\"$value\""
 124                 fi
 125         fi
 126
 127         printf '%s' "${N}$param$option $value"
 128 }
 129
 130 olsrd_write_plparam() {
 131         local funcname="olsrd_write_plparam"
 132         local param="$1"
 133         local cfg="$2"
 134         local option="$3"
 135         local value="$4"
 136         local option_type="$5"
 137         local _option oldIFS
 138
 139         validate_varname "$cfg" || return 1
 140         validate_varname "$option" || return 1
 141
 142         if [ "$option_type" = bool ]; then
 143                 case "$value" in
 144                         1|on|true|enabled|yes) value=yes;;
 145                         0|off|false|disabled|no) value=no;;
 146                         *) warning_invalid_value olsrd "$cfg" "$option"; return 1;;
 147                 esac
 148         fi
 149
 150         if ! validate_olsrd_option "$value"; then
 151                 warning_invalid_value olsrd "$cfg" "$option"
 152                 return 1
 153         fi
 154
 155         oldIFS="$IFS"
 156         IFS='-_'
 157         set -- $option
 158         option="$*"
 159         IFS="$oldIFS"
 160         _option="$option"
 161
 162         if [ "$option" = 'hosts' ]; then
 163                 set -- $value
 164                 option="$1"
 165                 shift
 166                 value="$*"
 167         fi
 168
 169         if [ "$option" = 'NonOlsrIf' ]; then
 170                 if validate_varname "$value"; then
 171                         if network_get_device ifname "$value"; then
 172                                 log "$funcname() Info: mdns Interface '$value' ifname '$ifname' found"
 173                         else
 174                                 log "$funcname() Warning: mdns Interface '$value' not found, skipped"
 175                         fi
 176                 else
 177                         warning_invalid_value olsrd "$cfg" "NonOlsrIf"
 178                 fi
 179                 [ -z "$ifname" ] || value=$ifname
 180         fi
 181
 182         printf '%s' "${N}${param}PlParam \"$option\" \"$value\""
 183 }
 184
 185 config_update_schema() {
 186         local schema_varname="$1"
 187         validate_varname "$schema_varname" || return 1
 188         local command="$2"
 189         validate_varname "$command" || return 1
 190         local option="$3"
 191         validate_varname "$option" || return 1
 192         local value="$4"
 193         local schema
 194         local cur_option
 195
 196         case "$varname" in
 197                 *_LENGTH) return 0;;
 198                 *_ITEM*) return 0;;
 199         esac
 200
 201         eval "export -n -- \"schema=\${$schema_varname}\""
 202
 203         for cur_option in $schema; do
 204                 [ "${cur_option%%[:=]*}" = "$option" ] && return 0
 205         done
 206
 207         if [ "$command" = list ]; then
 208                 set -- $value
 209                 if [ "$#" -ge "3" ]; then
 210                         schema_entry="$option:list3"
 211                 elif [ "$#" -ge "2" ]; then
 212                         schema_entry="$option:list2"
 213                 else
 214                         schema_entry="$option:list"
 215                 fi
 216         else
 217                 schema_entry="$option"
 218         fi
 219
 220         append "$schema_varname" "$schema_entry"
 221
 222         return 0
 223 }
 224
 225 config_write_options() {
 226         local funcname="config_write_options"
 227         local schema="$1"
 228         local cfg="$2"
 229         validate_varname "$cfg" || return 1
 230         local write_func="$3"
 231         [ -z "$write_func" ] && output_func=echo
 232         local write_param="$4"
 233
 234         local schema_entry option option_length option_type default value list_size list_item list_value i position speed oldIFS
 235         local list_speed_vars="HelloInterval HelloValidityTime TcInterval TcValidityTime MidInterval MidValidityTime HnaInterval HnaValidityTime"
 236
 237         get_value_for_entry()
 238         {
 239                 local schema_entry="$1"
 240
 241                 default="${schema_entry#*[=]}"
 242                 [ "$default" = "$schema_entry" ] && default=
 243                 option="${schema_entry%%[=]*}"
 244
 245                 oldIFS="$IFS"; IFS=':'; set -- $option; IFS="$oldIFS"
 246                 option="$1"
 247                 option_type="$2"
 248
 249                 validate_varname "$option" || return 1
 250                 [ -z "$option_type" ] || validate_varname "$option_type" || return 1
 251                 [ "$option_type" = internal ] && return 1
 252
 253                 config_get value "$cfg" "$option"
 254                 [ "$option" = "speed" ] && return 1
 255
 256                 return 0
 257         }
 258
 259         already_in_schema()
 260         {
 261                 case " $schema " in
 262                         *" $1 "*)
 263                                 return 0
 264                         ;;
 265                         *)
 266                                 return 1
 267                         ;;
 268                 esac
 269         }
 270
 271         already_in_schema "speed" && {
 272                 get_value_for_entry "speed"
 273
 274                 if test 2>/dev/null "$value" -gt 0 -a "$value" -le 20 ; then
 275                         speed="$value"
 276                 else
 277                         log "$funcname() Warning: invalid speed-value: '$value' - allowed integers: 1...20, fallback to 6"
 278                         speed=6
 279                 fi
 280
 281                 for schema_entry in $list_speed_vars; do {
 282                         already_in_schema "$schema_entry" || schema="$schema $schema_entry"
 283                 } done
 284         }
 285
 286         for schema_entry in $schema; do
 287                 if [ -n "$speed" ]; then                # like sven-ola freifunk firmware fff-1.7.4
 288                         case "$schema_entry" in
 289                                 HelloInterval)
 290                                         value="$(( speed / 2 + 1 )).0"
 291                                 ;;
 292                                 HelloValidityTime)
 293                                         value="$(( speed * 25 )).0"
 294                                 ;;
 295                                 TcInterval)     # todo: not fisheye? -> $(( speed * 2 ))
 296                                         value=$(( speed / 2 ))
 297                                         [ $value -eq 0 ] && value=1
 298                                         value="$value.0"
 299                                 ;;
 300                                 TcValidityTime)
 301                                         value="$(( speed * 100 )).0"
 302                                 ;;
 303                                 MidInterval)
 304                                         value="$(( speed * 5 )).0"
 305                                 ;;
 306                                 MidValidityTime)
 307                                         value="$(( speed * 100 )).0"
 308                                 ;;
 309                                 HnaInterval)
 310                                         value="$(( speed * 2 )).0"
 311                                 ;;
 312                                 HnaValidityTime)
 313                                         value="$(( speed * 25 )).0"
 314                                 ;;
 315                                 *)
 316                                         get_value_for_entry "$schema_entry" || continue
 317                                 ;;
 318                         esac
 319
 320                         is_speed_var()
 321                         {
 322                                 case " $list_speed_vars " in
 323                                         *" $1 "*)
 324                                                 return 0
 325                                         ;;
 326                                         *)
 327                                                 return 1
 328                                         ;;
 329                                 esac
 330                         }
 331
 332                         is_speed_var "$schema_entry" && option="$schema_entry"
 333                 else
 334                         get_value_for_entry "$schema_entry" || continue
 335                 fi
 336
 337                 if [ -z "$value" ]; then
 338                         oldIFS="$IFS"; IFS='+'; set -- $default; IFS="$oldIFS"
 339                         value=$*
 340                 elif [ "$value" = '-' -a -n "$default" ]; then
 341                         continue
 342                 fi
 343
 344                 [ -z "$value" ] && continue
 345
 346                 case "$option_type" in
 347                         list) list_size=1;;
 348                         list2) list_size=2;;
 349                         list3) list_size=3;;
 350                         *) list_size=0;;
 351                 esac
 352
 353                 if [ "$list_size" -gt 0 ]; then
 354                         config_get option_length "$cfg" "${option}_LENGTH"
 355                         if [ -n "$option_length" ]; then
 356                                 i=1
 357                                 while [ "$i" -le "$option_length" ]; do
 358                                         config_get list_value "$cfg" "${option}_ITEM$i"
 359                                         "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
 360                                         i=$((i + 1))
 361                                 done
 362                         else
 363                                 list_value=
 364                                 i=0
 365                                 for list_item in $value; do
 366                                         append "list_value" "$list_item"
 367                                         i=$((i + 1))
 368                                         position=$((i % list_size))
 369                                         if [ "$position" -eq 0 ]; then
 370                                                 "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
 371                                                 list_value=
 372                                         fi
 373                                 done
 374                                 [ "$position" -ne 0 ] && "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type"
 375                         fi
 376                 else
 377                         "$write_func" "$write_param" "$cfg" "$option" "$value" "$option_type"
 378                 fi
 379         done
 380
 381         return 0
 382 }
 383
 384 olsrd_write_olsrd() {
 385         local cfg="$1"
 386         validate_varname "$cfg" || return 0
 387         local ignore
 388
 389         config_get_bool ignore "$cfg" ignore 0
 390         [ "$ignore" -ne 0 ] && return 0
 391
 392         [ "$OLSRD_COUNT" -gt 0 ] && return 0
 393
 394         config_get smartgateway "$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         [ "$IPCCONNECT_COUNT" -gt 0 ] && return 0
 412
 413         printf '%s' "${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
 419 olsrd_write_hna4() {
 420         local cfg="$1"
 421         validate_varname "$cfg" || return 0
 422         local ignore
 423
 424         config_get_bool ignore "$cfg" ignore 0
 425         [ "$ignore" -ne 0 ] && return 0
 426
 427         config_get netaddr "$cfg" netaddr
 428         if ! validate_olsrd_option "$netaddr"; then
 429                 warning_invalid_value olsrd "$cfg" "netaddr"
 430                 return 0
 431         fi
 432
 433         config_get netmask "$cfg" netmask
 434         if ! validate_olsrd_option "$netmask"; then
 435                 warning_invalid_value olsrd "$cfg" "netmask"
 436                 return 0
 437         fi
 438
 439         [ "$HNA4_COUNT" -le 0 ] && printf '%s' "${N}Hna4${N}{"
 440         printf '%s' "${N}${T}${T}$netaddr $netmask"
 441         HNA4_COUNT=$((HNA4_COUNT + 1))
 442 }
 443
 444 olsrd_write_hna6() {
 445         local cfg="$1"
 446         validate_varname "$cfg" || return 0
 447         local ignore
 448
 449         config_get_bool ignore "$cfg" ignore 0
 450         [ "$ignore" -ne 0 ] && return 0
 451
 452         config_get netaddr "$cfg" netaddr
 453         if ! validate_olsrd_option "$netaddr"; then
 454                 warning_invalid_value olsrd "$cfg" "netaddr"
 455                 return 0
 456         fi
 457
 458         config_get prefix "$cfg" prefix
 459         if ! validate_olsrd_option "$prefix"; then
 460                 warning_invalid_value olsrd "$cfg" "prefix"
 461                 return 0
 462         fi
 463
 464         [ "$HNA6_COUNT" -le 0 ] && printf '%s' "${N}Hna6${N}{"
 465         printf '%s' "${N}${T}${T}$netaddr $prefix"
 466         HNA6_COUNT=$((HNA6_COUNT + 1))
 467 }
 468
 469 find_most_recent_plugin_libary()
 470 {
 471         local library="$1"
 472         local file unixtime
 473
 474         for file in "/lib/$library"* "/usr/lib/$library"* "/usr/local/lib/$library"*; do {
 475                 [ -f "$file" ] && {
 476                         unixtime="$( date +%s -r "$file" )"
 477                         echo "$unixtime $file"
 478                 }
 479         } done | sort -n | tail -n1 | cut -d' ' -f2
 480 }
 481
 482 olsrd_write_loadplugin()
 483 {
 484         local funcname='olsrd_write_loadplugin'
 485         local cfg="$1"
 486         local ignore name suffix lat lon latlon_infile
 487
 488         validate_varname "$cfg" || return 0
 489
 490         config_get_bool ignore "$cfg" ignore 0
 491         [ "$ignore" -ne 0 ] && return 0
 492
 493         # e.g. olsrd_txtinfo.so.1.1 or 'olsrd_txtinfo'
 494         config_get library "$cfg" library
 495
 496         library="$( find_most_recent_plugin_libary "$library" )"
 497         if [ -z "$library" ]; then
 498                 log "$funcname() Warning: Plugin library '$library' not found, skipped"
 499                 return 0
 500         else
 501                 library="$( basename "$library" )"
 502         fi
 503
 504         validate_olsrd_option "$library" || {
 505                 warning_invalid_value olsrd "$cfg" 'library'
 506                 return 0
 507         }
 508
 509         case "$library" in
 510                 'olsrd_nameservice.'*)
 511                         config_get name "$cfg" name
 512                         [ -z "$name" ] && config_set "$cfg" name $SYSTEM_HOSTNAME
 513
 514                         config_get suffix "$cfg" suffix
 515                         [ -z "$suffix" ] && config_set "$cfg" suffix '.olsr'
 516
 517                         config_get lat "$cfg" lat
 518                         config_get lon "$cfg" lon
 519                         config_get latlon_infile "$cfg" latlon_infile
 520                         if [ \( -z "$lat" -o -z "$lat" \) -a -z "$latlon_infile" ]; then
 521                                 if [ -f '/var/run/latlon.txt' ]; then
 522                                         config_set "$cfg" lat ''
 523                                         config_set "$cfg" lon ''
 524                                         config_set "$cfg" latlon_infile '/var/run/latlon.txt'
 525                                 else
 526                                         config_set "$cfg" lat "$SYSTEM_LAT"
 527                                         config_set "$cfg" lon "$SYSTEM_LON"
 528                                 fi
 529                         fi
 530
 531                         for f in latlon_file hosts_file services_file resolv_file macs_file; do
 532                                 config_get $f "$cfg" $f
 533                         done
 534
 535                         [ -z "$latlon_file" ] && config_set "$cfg" latlon_file '/var/run/latlon.js'
 536                 ;;
 537                 'olsrd_watchdog.'*)
 538                         config_get wd_file "$cfg" file
 539                 ;;
 540         esac
 541
 542         printf '%s' "${N}LoadPlugin \"$library\"${N}{"
 543         config_write_options "$OLSRD_LOADPLUGIN_SCHEMA" "$cfg" olsrd_write_plparam "${T}"
 544         echo "${N}}"
 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 $IFNAME"
 567                         elif network_get_physdev IFNAME "$interface"; then
 568                                 local proto="$(uci -q get network.${interface}.proto)"
 569                                 if [ "$proto" = "static" -o "$proto" = "none" ]; then
 570                                         ifnames="$ifnames \"$IFNAME\""
 571                                         ifsglobal="$ifsglobal $IFNAME"
 572                                 fi
 573                         else
 574                                 log "$funcname() Warning: Interface '$interface' not found, skipped"
 575                         fi
 576                 else
 577                         warning_invalid_value olsrd "$cfg" "interface"
 578                 fi
 579         done
 580
 581         [ -z "$ifnames" ] && return 0
 582
 583         printf '%s' "${N}Interface$ifnames${N}{"
 584         config_write_options "$OLSRD_INTERFACE_SCHEMA" "$cfg" olsrd_write_option "${T}"
 585         echo "${N}}"
 586         INTERFACES_COUNT=$((INTERFACES_COUNT + 1))
 587 }
 588
 589 olsrd_write_interface_defaults() {
 590         local cfg="$1"
 591         validate_varname "$cfg" || return 0
 592
 593         printf '%s' "${N}InterfaceDefaults$ifnames${N}{"
 594         config_write_options "$OLSRD_INTERFACE_DEFAULTS_SCHEMA" "$cfg" olsrd_write_option "${T}"
 595         echo "${N}}"
 596
 597         return 1
 598 }
 599
 600 olsrd_update_schema() {
 601         local command="$1"
 602         validate_varname "$command" || return 0
 603         local varname="$2"
 604         validate_varname "$varname" || return 0
 605         local value="$3"
 606         local cfg="$CONFIG_SECTION"
 607         local cfgt
 608         local cur_varname
 609
 610         config_get cfgt "$cfg" TYPE
 611         case "$cfgt" in
 612                 olsrd) config_update_schema OLSRD_OLSRD_SCHEMA "$command" "$varname" "$value";;
 613                 IpcConnect) config_update_schema OLSRD_IPCCONNECT_SCHEMA "$command" "$varname" "$value";;
 614                 LoadPlugin) config_update_schema OLSRD_LOADPLUGIN_SCHEMA "$command" "$varname" "$value";;
 615                 Interface) config_update_schema OLSRD_INTERFACE_SCHEMA "$command" "$varname" "$value";;
 616                 InterfaceDefaults) config_update_schema OLSRD_INTERFACE_DEFAULTS_SCHEMA "$command" "$varname" "$value";;
 617         esac
 618
 619         return 0
 620 }
 621
 622 olsrd_write_config() {
 623         OLSRD_COUNT=0
 624         config_foreach olsrd_write_olsrd olsrd
 625         IPCCONNECT_COUNT=0
 626         config_foreach olsrd_write_ipcconnect IpcConnect
 627         HNA4_COUNT=0
 628         config_foreach olsrd_write_hna4 Hna4
 629         [ "$HNA4_COUNT" -gt 0 ] && echo "${N}}"
 630         HNA6_COUNT=0
 631         config_foreach olsrd_write_hna6 Hna6
 632         [ "$HNA6_COUNT" -gt 0 ] && echo "${N}}"
 633         config_foreach olsrd_write_loadplugin LoadPlugin
 634         INTERFACES_COUNT=0
 635         config_foreach olsrd_write_interface_defaults InterfaceDefaults
 636         config_foreach olsrd_write_interface Interface
 637         echo
 638
 639         return 0
 640 }
 641
 642 get_wan_ifnames()
 643 {
 644         local wanifnames word catch_next
 645
 646         which ip >/dev/null || return 1
 647
 648         set -- $( ip route list exact 0.0.0.0/0 table all )
 649         for word in $*; do
 650                 case "$word" in
 651                         dev)
 652                                 catch_next="true"
 653                         ;;
 654                         *)
 655                                 [ -n "$catch_next" ] && {
 656                                         case "$wanifnames" in
 657                                                 *" $word "*)
 658                                                 ;;
 659                                                 *)
 660                                                         wanifnames="$wanifnames $word "
 661                                                 ;;
 662                                         esac
 663
 664                                         catch_next=
 665                                 }
 666                         ;;
 667                 esac
 668         done
 669
 670         echo "$wanifnames"
 671 }
 672
 673 olsrd_setup_smartgw_rules() {
 674         local funcname="olsrd_setup_smartgw_rules"
 675         # Check if ipip is installed
 676         [ -e /etc/modules.d/[0-9]*-ipip ] || {
 677                 log "$funcname() Warning: kmod-ipip is missing. SmartGateway will not work until you install it."
 678                 return 1
 679         }
 680
 681         local wanifnames="$( get_wan_ifnames )"
 682
 683         if [ -z "$wanifnames" ]; then
 684                 nowan=1
 685         else
 686                 nowan=0
 687         fi
 688
 689         IP4T=$(which iptables)
 690         IP6T=$(which ip6tables)
 691
 692         # Delete smartgw firewall rules first
 693         if [ "$UCI_CONF_NAME" = "olsrd6" ]; then
 694                 while $IP6T -D forwarding_rule -o tnl_+ -j ACCEPT 2> /dev/null; do :;done
 695                 for IFACE in $wanifnames; do
 696                         while $IP6T -D forwarding_rule -i tunl0 -o $IFACE -j ACCEPT 2> /dev/null; do :; done
 697                 done
 698                 for IFACE in $ifsglobal; do
 699                         while $IP6T -D input_rule -i $IFACE -p 4 -j ACCEPT 2> /dev/null; do :; done
 700                 done
 701         else
 702                 while $IP4T -D forwarding_rule -o tnl_+ -j ACCEPT 2> /dev/null; do :;done
 703                 for IFACE in $wanifnames; do
 704                         while $IP4T -D forwarding_rule -i tunl0 -o $IFACE -j ACCEPT 2> /dev/null; do :; done
 705                 done
 706                 for IFACE in $ifsglobal; do
 707                         while $IP4T -D input_rule -i $IFACE -p 4 -j ACCEPT 2> /dev/null; do :; done
 708                 done
 709                 while $IP4T -t nat -D postrouting_rule -o tnl_+ -j MASQUERADE 2> /dev/null; do :;done
 710         fi
 711
 712         if [ "$smartgateway" = "yes" ]; then
 713                 log "$funcname() Notice: Inserting firewall rules for SmartGateway"
 714                 if [ ! "$smartgatewayuplink" = "none" ]; then
 715                         if [ "$smartgatewayuplink" = "ipv4" ]; then
 716                                 # Allow everything to be forwarded to tnl_+ and use NAT for it
 717                                 $IP4T -I forwarding_rule -o tnl_+ -j ACCEPT
 718                                 $IP4T -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
 719                                 # Allow forwarding from tunl0 to (all) wan-interfaces
 720                                 if [ "$nowan"="0" ]; then
 721                                         for IFACE in $wanifnames; do
 722                                                 $IP4T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 723                                         done
 724                                 fi
 725                                 # Allow incoming ipip on all olsr-interfaces
 726                                 for IFACE in $ifsglobal; do
 727                                         $IP4T -I input_rule -i $IFACE -p 4 -j ACCEPT
 728                                 done
 729                         elif [ "$smartgatewayuplink" = "ipv6" ]; then
 730                                 $IP6T -I forwarding_rule -o tnl_+ -j ACCEPT
 731                                 if [ "$nowan"="0" ]; then
 732                                         for IFACE in $wanifnames; do
 733                                                 $IP6T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 734                                         done
 735                                 fi
 736                                 for IFACE in $ifsglobal; do
 737                                         $IP6T -I input_rule -i $IFACE -p 4 -j ACCEPT
 738                                 done
 739                         else
 740                                 $IP4T -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
 741                                 for IPT in $IP4T $IP6T; do
 742                                         $IPT -I forwarding_rule -o tnl_+ -j ACCEPT
 743                                         if [ "$nowan"="0" ]; then
 744                                                 for IFACE in $wanifnames; do
 745                                                         $IPT -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 746                                                 done
 747                                         fi
 748                                         for IFACE in $ifsglobal; do
 749                                                 $IPT -I input_rule -i $IFACE -p 4 -j ACCEPT
 750                                         done
 751                                 done
 752                         fi
 753                 fi
 754         fi
 755 }
 756
 757 start() {
 758         SYSTEM_HOSTNAME=
 759         SYSTEM_LAT=
 760         SYSTEM_LON=
 761         config_load system
 762         config_foreach system_config system
 763
 764         option_cb() {
 765                 olsrd_update_schema "option" "$@"
 766         }
 767
 768         list_cb() {
 769                 olsrd_update_schema "list" "$@"
 770         }
 771
 772         . /lib/functions/network.sh
 773
 774         config_load $UCI_CONF_NAME
 775         reset_cb
 776
 777         OLSRD_CONFIG_FILE=
 778         config_foreach olsrd_find_config_file olsrd
 779
 780         if [ -z "$OLSRD_CONFIG_FILE" ]; then
 781                 mkdir -p -- /var/etc/
 782                 olsrd_write_config > /var/etc/$UCI_CONF_NAME.conf || return 1
 783                 if [ "$INTERFACES_COUNT" -gt 0 -a "$OLSRD_COUNT" -gt 0 ]; then
 784                         OLSRD_CONFIG_FILE=/var/etc/$UCI_CONF_NAME.conf
 785                 fi
 786         fi
 787
 788         [ -z "$OLSRD_CONFIG_FILE" ] && return 1
 789
 790         SERVICE_PID_FILE="$PID"
 791         if service_check /usr/sbin/olsrd; then
 792                 error "there is already an instance of $UCI_CONF_NAME running (pid: '$(cat $PID)'), not starting."
 793                 return 1
 794         else
 795                 service_start /usr/sbin/olsrd -f "$OLSRD_CONFIG_FILE" -nofork
 796                 sleep 1
 797                 service_check /usr/sbin/olsrd || {
 798                         log "startup-error: check via: '/usr/sbin/olsrd -f \"$OLSRD_CONFIG_FILE\" -nofork'"
 799                 }
 800         fi
 801
 802         olsrd_setup_smartgw_rules
 803 }
 804
 805 stop() {
 806         SERVICE_PID_FILE="$PID"
 807         service_stop /usr/sbin/olsrd
 808 }