contrib/package/olsrd-luci/files/etc/init.d/olsrd

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2008  Alina Friedrichsen <x-alina@gmx.net>
   3 # Special thanks to bittorf wireless ))
   4 START=50
   5
   6 BIN=/usr/sbin/olsrd
   7 CONF=/var/etc/olsrd.conf
   8 PID=/var/run/olsrd.pid
   9
  10 OLSRD_OLSRD_SCHEMA='ignore:internal config_file:internal DebugLevel=0 IpVersion=4 AllowNoInt:bool=1 Pollrate=0.025 TcRedundancy=2 MprCoverage=3 LinkQualityFishEye=1 LinkQualityDijkstraLimit=0+9.0 FIBMetric=flat ClearScreen:bool=1 Willingness=3 LinkQualityAging=0.1 LinkQualityAlgorithm=etx_fpm'
  11 OLSRD_IPCCONNECT_SCHEMA='ignore:internal Host:list Net:list2'
  12 OLSRD_LOADPLUGIN_SCHEMA='ignore:internal library:internal Host:list Net:list2 Ping:list redistribute:list NonOlsrIf:list name:list lat lon latlon_infile HNA:list2 hosts:list2'
  13 OLSRD_INTERFACE_SCHEMA='ignore:internal interface:internal AutoDetectChanges:bool Ip4Broadcast HelloInterval=5.0 HelloValidityTime=40.0 TcInterval=2.0 TcValidityTime=100.0 MidInterval=18.0 MidValidityTime=324.0 HnaInterval=18.0 HnaValidityTime=108.0'
  14
  15 T='     '
  16 N='
  17 '
  18
  19 validate_varname() {
  20         local varname=$1
  21         [ -z "$varname" -o "$varname" != "${varname%%[!A-Za-z0-9_]*}" ] && return 1
  22         return 0
  23 }
  24
  25 validate_ifname() {
  26         local ifname=$1
  27         [ -z "$ifname" -o "$ifname" != "${ifname%%[!A-Za-z0-9.:_-]*}" ] && return 1
  28         return 0
  29 }
  30
  31 validate_olsrd_option() {
  32         local str=$1
  33         [ -z "$str" -o "$str" != "${str%%[!     0-9A-Za-z./:_-]*}" ] && return 1
  34         return 0
  35 }
  36
  37 get_ifname() {
  38         IFNAME=
  39         local interface=$1
  40         validate_varname "$interface" || return 1
  41         local ifname
  42
  43         config_get ifname "$interface" ifname
  44         validate_ifname "$ifname" || return 1
  45         IFNAME=$ifname
  46
  47         return 0
  48 }
  49
  50 system_config() {
  51         local cfg=$1
  52         local cfgt
  53         local hostname
  54         local latlon
  55
  56         config_get cfgt "$cfg" TYPE
  57
  58         if [ "$cfgt" = "system" ]; then
  59                 config_get hostname "$cfg" hostname
  60                 hostname=${hostname:-OpenWrt}
  61                 SYSTEM_HOSTNAME=$hostname
  62         fi
  63
  64         if [ -z "$SYSTEM_LAT" -o -z "$SYSTEM_LON" ]; then
  65                 config_get latlon "$cfg" latlon
  66                 IFS=" ${T}${N},"
  67                 set -- $latlon
  68                 unset IFS
  69                 SYSTEM_LAT=$1
  70                 SYSTEM_LON=$2
  71         fi
  72 }
  73
  74 olsrd_find_config_file() {
  75         local cfg=$1
  76         validate_varname "$cfg" || return 0
  77
  78         config_get_bool ignore "$cfg" ignore 0
  79         [ "$ignore" -ne 0 ] && return 0
  80         config_get OLSRD_CONFIG_FILE "$cfg" config_file
  81
  82         return 0
  83 }
  84
  85 warning_invalid_value() {
  86         local package=$1
  87         validate_varname "$package" || package=
  88         local config=$2
  89         validate_varname "$config" || config=
  90         local option=$3
  91         validate_varname "$option" || option=
  92
  93         echo -n "Warning: Invalid value" 1>&2
  94
  95         if [ -n "$package" -a -n "$config" ]; then
  96                 echo -n " in option '$package.$config${option:+.}$option'" 1>&2
  97         fi
  98
  99         echo ", skipped" 1>&2
 100
 101         return 0
 102 }
 103
 104 olsrd_write_option() {
 105         local param=$1
 106         local cfg=$2
 107         validate_varname "$cfg" || return 1
 108         local option=$3
 109         validate_varname "$option" || return 1
 110         local value=$4
 111         local option_type=$5
 112
 113         if [ "$option_type" = bool ]; then
 114                 case "$value" in
 115                         1|on|true|enabled|yes) value=yes;;
 116                         0|off|false|disabled|no) value=no;;
 117                         *) warning_invalid_value olsrd "$cfg" "$option"; return 1;;
 118                 esac
 119         fi
 120
 121         if ! validate_olsrd_option "$value"; then
 122                 warning_invalid_value olsrd "$cfg" "$option"
 123                 return 1
 124         fi
 125
 126         if [ "$value" != "${value%%[G-Zg-z_-]*}" ]; then
 127                 if [ "$option" != "Ip6AddrType" -a "$value" != "yes" -a "$value" != "no" ]; then
 128                         value="\"$value\""
 129                 fi
 130         fi
 131
 132         echo -n "${N}$param$option $value"
 133
 134         return 0
 135 }
 136
 137 olsrd_write_plparam() {
 138         local param=$1
 139         local cfg=$2
 140         validate_varname "$cfg" || return 1
 141         local option=$3
 142         validate_varname "$option" || return 1
 143         local value=$4
 144         local option_type=$5
 145         local _option
 146
 147         if [ "$option_type" = bool ]; then
 148                 case "$value" in
 149                         1|on|true|enabled|yes) value=yes;;
 150                         0|off|false|disabled|no) value=no;;
 151                         *) warning_invalid_value olsrd "$cfg" "$option"; return 1;;
 152                 esac
 153         fi
 154
 155         if ! validate_olsrd_option "$value"; then
 156                 warning_invalid_value olsrd "$cfg" "$option"
 157                 return 1
 158         fi
 159
 160         IFS='-_'
 161         set -- $option
 162         option="$*"
 163         unset IFS
 164         _option="$option"
 165         if [ "$option" = 'hosts' ]; then
 166                 set -- $value
 167                 option=$1
 168                 shift
 169                 value="$*"
 170         fi
 171
 172         echo -n "${N}${param}PlParam \"$option\" \"$value\""
 173
 174         return 0
 175 }
 176
 177 config_update_schema() {
 178         unset IFS
 179         local schema_varname=$1
 180         validate_varname "$schema_varname" || return 1
 181         local command=$2
 182         validate_varname "$command" || return 1
 183         local option=$3
 184         validate_varname "$option" || return 1
 185         local value=$4
 186         local schema
 187         local cur_option
 188
 189         case "$varname" in
 190                 *_LENGTH) return 0;;
 191                 *_ITEM*) return 0;;
 192         esac
 193
 194         eval "export -n -- \"schema=\${$schema_varname}\""
 195
 196         for cur_option in $schema; do
 197                 [ "${cur_option%%[:=]*}" = "$option" ] && return 0
 198         done
 199
 200         if [ "$command" = list ]; then
 201                 set -- $value
 202                 if [ "$#" -ge "3" ]; then
 203                         schema_entry="$option:list3"
 204                 elif [ "$#" -ge "2" ]; then
 205                         schema_entry="$option:list2"
 206                 else
 207                         schema_entry="$option:list"
 208                 fi
 209         else
 210                 schema_entry="$option"
 211         fi
 212
 213         append "$schema_varname" "$schema_entry"
 214
 215         return 0
 216 }
 217
 218 config_write_options() {
 219         unset IFS
 220         local schema=$1
 221         local cfg=$2
 222         validate_varname "$cfg" || return 1
 223         local write_func=$3
 224         [ -z "$write_func" ] && output_func=echo
 225         local write_param=$4
 226         local schema_entry
 227         local option
 228         local option_length
 229         local option_type
 230         local default
 231         local value
 232         local list_size
 233         local list_item
 234         local list_value
 235         local i
 236         local position
 237
 238         for schema_entry in $schema; do
 239                 default=${schema_entry#*[=]}
 240                 [ "$default" = "$schema_entry" ] && default=
 241                 option=${schema_entry%%[=]*}
 242                 IFS=':'
 243                 set -- $option
 244                 unset IFS
 245                 option=$1
 246                 option_type=$2
 247                 validate_varname "$option" || continue
 248                 [ -z "$option_type" ] || validate_varname "$option_type" || continue
 249                 [ "$option_type" = internal ] && continue
 250                 config_get value "$cfg" "$option"
 251
 252                 if [ -z "$value" ]; then
 253                         IFS='+'
 254                         set -- $default
 255                         unset IFS
 256                         value=$*
 257                 elif [ "$value" = '-' -a -n "$default" ]; then
 258                         continue
 259                 fi
 260
 261                 [ -z "$value" ] && continue
 262
 263                 case "$option_type" in
 264                         list) list_size=1;;
 265                         list2) list_size=2;;
 266                         list3) list_size=3;;
 267                         *) list_size=0;;
 268                 esac
 269
 270                 if [ "$list_size" -gt 0 ]; then
 271                         config_get option_length "$cfg" "${option}_LENGTH"
 272                         if [ -n "$option_length" ]; then
 273                                 i=1
 274                                 while [ "$i" -le "$option_length" ]; do
 275                                         config_get list_value "$cfg" "${option}_ITEM$i"
 276                                         "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
 277                                         i=$((i + 1))
 278                                 done
 279                         else
 280                                 list_value=
 281                                 i=0
 282                                 for list_item in $value; do
 283                                         append "list_value" "$list_item"
 284                                         i=$((i + 1))
 285                                         position=$((i % list_size))
 286                                         if [ "$position" -eq 0 ]; then
 287                                                 "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
 288                                                 list_value=
 289                                         fi
 290                                 done
 291                                 [ "$position" -ne 0 ] && "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type"
 292                         fi
 293                 else
 294                         "$write_func" "$write_param" "$cfg" "$option" "$value" "$option_type"
 295                 fi
 296         done
 297
 298         return 0
 299 }
 300
 301 olsrd_write_olsrd() {
 302         local cfg=$1
 303         validate_varname "$cfg" || return 0
 304         local ignore
 305
 306         config_get_bool ignore "$cfg" ignore 0
 307         [ "$ignore" -ne 0 ] && return 0
 308
 309         [ "$OLSRD_COUNT" -gt 0 ] && return 0
 310
 311         config_write_options "$OLSRD_OLSRD_SCHEMA" "$cfg" olsrd_write_option
 312         echo
 313         OLSRD_COUNT=$((OLSRD_COUNT + 1))
 314
 315         return 0
 316 }
 317
 318 olsrd_write_ipcconnect() {
 319         local cfg=$1
 320         validate_varname "$cfg" || return 0
 321         local ignore
 322
 323         config_get_bool ignore "$cfg" ignore 0
 324         [ "$ignore" -ne 0 ] && return 0
 325
 326         [ "$IPCCONNECT_COUNT" -gt 0 ] && return 0
 327
 328         echo -n "${N}IpcConnect${N}{"
 329         config_write_options "$OLSRD_IPCCONNECT_SCHEMA" "$cfg" olsrd_write_option "${T}"
 330         echo "${N}}"
 331         IPCCONNECT_COUNT=$((IPCCONNECT_COUNT + 1))
 332
 333         return 0
 334 }
 335
 336 olsrd_write_hna4() {
 337         local cfg=$1
 338         validate_varname "$cfg" || return 0
 339         local ignore
 340
 341         config_get_bool ignore "$cfg" ignore 0
 342         [ "$ignore" -ne 0 ] && return 0
 343
 344         config_get netaddr "$cfg" netaddr
 345         if ! validate_olsrd_option "$netaddr"; then
 346                 warning_invalid_value olsrd "$cfg" "netaddr"
 347                 return 0
 348         fi
 349
 350         config_get netmask "$cfg" netmask
 351         if ! validate_olsrd_option "$netmask"; then
 352                 warning_invalid_value olsrd "$cfg" "netmask"
 353                 return 0
 354         fi
 355
 356         [ "$HNA4_COUNT" -le 0 ] && echo -n "${N}Hna4${N}{"
 357         echo -n "${N}${T}$netaddr $netmask"
 358         HNA4_COUNT=$((HNA4_COUNT + 1))
 359
 360         return 0
 361 }
 362
 363 olsrd_write_hna6() {
 364         local cfg=$1
 365         validate_varname "$cfg" || return 0
 366         local ignore
 367
 368         config_get_bool ignore "$cfg" ignore 0
 369         [ "$ignore" -ne 0 ] && return 0
 370
 371         config_get netaddr "$cfg" netaddr
 372         if ! validate_olsrd_option "$netaddr"; then
 373                 warning_invalid_value olsrd "$cfg" "netaddr"
 374                 return 0
 375         fi
 376
 377         config_get prefix "$cfg" prefix
 378         if ! validate_olsrd_option "$prefix"; then
 379                 warning_invalid_value olsrd "$cfg" "prefix"
 380                 return 0
 381         fi
 382
 383         [ "$HNA6_COUNT" -le 0 ] && echo -n "${N}Hna6${N}{"
 384         echo -n "${N}${T}$netaddr $prefix"
 385         HNA6_COUNT=$((HNA6_COUNT + 1))
 386
 387         return 0
 388 }
 389
 390 olsrd_write_loadplugin() {
 391         local cfg=$1
 392         validate_varname "$cfg" || return 0
 393         local ignore
 394         local name
 395         local suffix
 396         local lat
 397         local lon
 398         local latlon_infile
 399
 400         config_get_bool ignore "$cfg" ignore 0
 401         [ "$ignore" -ne 0 ] && return 0
 402
 403         config_get library "$cfg" library
 404         if ! validate_olsrd_option "$library"; then
 405                 warning_invalid_value olsrd "$cfg" "library"
 406                 return 0
 407         fi
 408         if ! [ -x "/lib/$library" -o -x "/usr/lib/$library" -o -x "/usr/local/lib/$library" ]; then
 409                 echo "Warning: Plugin library '$library' not found, skipped" 1>&2
 410                 return 0
 411         fi
 412
 413         case "$library" in
 414                 olsrd_nameservice.*)
 415                         config_get name "$cfg" name
 416                         [ -z "$name" ] && config_set "$cfg" name $SYSTEM_HOSTNAME
 417
 418                         config_get suffix "$cfg" suffix
 419                         [ -z "$suffix" ] && config_set "$cfg" suffix '.olsr'
 420
 421                         config_get lat "$cfg" lat
 422                         config_get lon "$cfg" lon
 423                         config_get latlon_infile "$cfg" latlon_infile
 424                         if [ \( -z "$lat" -o -z "$lat" \) -a -z "$latlon_infile" ]; then
 425                                 if [ -f '/var/run/latlon.txt' ]; then
 426                                         config_set "$cfg" lat ''
 427                                         config_set "$cfg" lon ''
 428                                         config_set "$cfg" latlon_infile '/var/run/latlon.txt'
 429                                 else
 430                                         config_set "$cfg" lat "$SYSTEM_LAT"
 431                                         config_set "$cfg" lon "$SYSTEM_LON"
 432                                 fi
 433                         fi
 434
 435                         config_get latlon_file "$cfg" latlon_file
 436                 ;;
 437         esac
 438
 439         echo -n "${N}LoadPlugin \"$library\"${N}{"
 440         config_write_options "$OLSRD_LOADPLUGIN_SCHEMA" "$cfg" olsrd_write_plparam "${T}"
 441         echo "${N}}"
 442
 443         return 0
 444 }
 445
 446 olsrd_write_interface() {
 447         local cfg=$1
 448         validate_varname "$cfg" || return 0
 449         local ignore
 450         local interfaces
 451         local interface
 452         local ifnames
 453
 454         config_get_bool ignore "$cfg" ignore 0
 455         [ "$ignore" -ne 0 ] && return 0
 456
 457         ifnames=
 458         config_get interfaces "$cfg" interface
 459         for interface in $interfaces; do
 460                 if validate_varname "$interface"; then
 461                         if get_ifname "$interface"; then
 462                                 ifnames="$ifnames \"$IFNAME\""
 463                         else
 464                                 echo "Warning: Interface '$interface' not found, skipped" 1>&2
 465                         fi
 466                 else
 467                         warning_invalid_value olsrd "$cfg" "interface"
 468                 fi
 469         done
 470
 471         [ -z "$ifnames" ] && return 0
 472
 473         echo -n "${N}Interface$ifnames${N}{"
 474         config_write_options "$OLSRD_INTERFACE_SCHEMA" "$cfg" olsrd_write_option "${T}"
 475         echo "${N}}"
 476         INTERFACES_COUNT=$((INTERFACES_COUNT + 1))
 477
 478         return 0
 479 }
 480
 481 olsrd_update_schema() {
 482         local command="$1"
 483         validate_varname "$command" || return 0
 484         local varname="$2"
 485         validate_varname "$varname" || return 0
 486         local value="$3"
 487         local cfg="$CONFIG_SECTION"
 488         local cfgt
 489         local cur_varname
 490
 491         config_get cfgt "$cfg" TYPE
 492         case "$cfgt" in
 493                 olsrd) config_update_schema OLSRD_OLSRD_SCHEMA "$command" "$varname" "$value";;
 494                 IpcConnect) config_update_schema OLSRD_IPCCONNECT_SCHEMA "$command" "$varname" "$value";;
 495                 LoadPlugin) config_update_schema OLSRD_LOADPLUGIN_SCHEMA "$command" "$varname" "$value";;
 496                 Interface) config_update_schema OLSRD_INTERFACE_SCHEMA "$command" "$varname" "$value";;
 497         esac
 498
 499         return 0
 500 }
 501
 502 olsrd_write_config() {
 503         OLSRD_COUNT=0
 504         config_foreach olsrd_write_olsrd olsrd
 505         IPCCONNECT_COUNT=0
 506         config_foreach olsrd_write_ipcconnect IpcConnect
 507         HNA4_COUNT=0
 508         config_foreach olsrd_write_hna4 Hna4
 509         [ "$HNA4_COUNT" -gt 0 ] && echo "${N}}"
 510         HNA6_COUNT=0
 511         config_foreach olsrd_write_hna6 Hna6
 512         [ "$HNA6_COUNT" -gt 0 ] && echo "${N}}"
 513         config_foreach olsrd_write_loadplugin LoadPlugin
 514         INTERFACES_COUNT=0
 515         config_foreach olsrd_write_interface Interface
 516         echo
 517
 518         return 0
 519 }
 520
 521 start() {
 522         ### check for running instance
 523         if [ -s $PID ]; then
 524                 if kill -0 $(cat $PID) 2>&-; then
 525                         echo "there is already a running instance ($(cat $PID))"
 526                         return 1
 527                 fi
 528         fi
 529
 530         ### disable icmp redirects
 531         echo 0 > /proc/sys/net/ipv4/conf/all/send_redirects
 532
 533         SYSTEM_HOSTNAME=
 534         SYSTEM_LAT=
 535         SYSTEM_LON=
 536         config_load system
 537         config_foreach system_config system
 538
 539         option_cb() {
 540                 olsrd_update_schema "option" "$@"
 541         }
 542
 543         list_cb() {
 544                 olsrd_update_schema "list" "$@"
 545         }
 546
 547         include /lib/network
 548         scan_interfaces
 549         config_load olsrd
 550         reset_cb
 551
 552         OLSRD_CONFIG_FILE=
 553         config_foreach olsrd_find_config_file olsrd
 554
 555         if [ -z "$OLSRD_CONFIG_FILE" ]; then
 556                 ### generate config
 557                 mkdir -p ${CONF%/*}
 558                 olsrd_write_config > $CONF
 559                 if [ "$INTERFACES_COUNT" -gt 0 -a "$OLSRD_COUNT" -gt 0 ]; then
 560                         OLSRD_CONFIG_FILE=$CONF
 561                 fi
 562         fi
 563
 564         [ -z "$OLSRD_CONFIG_FILE" ] && return 1
 565
 566         ### start olsrd
 567         start-stop-daemon -q -b -m -p $PID -x $BIN -S -- -f $CONF -nofork
 568 }
 569
 570 stop() {
 571         ### stop olsrd
 572         start-stop-daemon -q -p $PID -x $BIN -K
 573
 574         ### re-enable icmp redirects
 575         echo 1 > /proc/sys/net/ipv4/conf/all/send_redirects
 576 }
 577
 578 restart() {
 579         ### override generic restart because we need some time between stop and start
 580         stop; sleep 3; start
 581 }