forked from freifunk-franken/firmware
81 lines
2.7 KiB
Bash
Executable File
81 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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# Netmon Configurator (C) 2010-2012 Freifunk Oldenburg
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# Lizenz: GPL v3
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test -f /tmp/started || exit
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#Get the configuration from the uci configuration file
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#If it does not exists, then get it from a normal bash file with variables.
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if [ -f /etc/config/configurator ];then
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API_IPV4_ADRESS=`uci get configurator.@api[0].ipv4_address`
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API_IPV6_ADRESS=`uci get configurator.@api[0].ipv6_address`
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API_IPV6_INTERFACE=`uci get configurator.@api[0].ipv6_interface`
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API_TIMEOUT=`uci get configurator.@api[0].timeout`
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SCRIPT_ERROR_LEVEL=`uci get configurator.@script[0].error_level`
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SCRIPT_LOGFILE=`uci get configurator.@script[0].logfile`
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SCRIPT_SYNC_HOSTNAME=`uci get configurator.@script[0].sync_hostname`
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CRAWL_METHOD=`uci get configurator.@crawl[0].method`
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CRAWL_ROUTER_ID=`uci get configurator.@crawl[0].router_id`
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CRAWL_UPDATE_HASH=`uci get configurator.@crawl[0].update_hash`
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CRAWL_NICKNAME=`uci get configurator.@crawl[0].nickname`
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CRAWL_PASSWORD=`uci get configurator.@crawl[0].password`
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else
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. `dirname $0`/configurator_config
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fi
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if [ "$API_IPV4_ADRESS" != "1" ]; then
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netmon_api=$API_IPV4_ADRESS
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else
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netmon_api="[$API_IPV6_ADRESS"%"$API_IPV6_INTERFACE]"
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fi
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if [ "$SCRIPT_ERROR_LEVEL" -gt "1" ]; then
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err() {
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echo "$(date) [configurator]: $1" >> $SCRIPT_LOGFILE
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}
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else
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err() {
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:
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}
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fi
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sync_hostname() {
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err "Syncing hostname"
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api_return=$(wget -T $API_TIMEOUT -q -O - "http://$netmon_api/api_csv_configurator.php?section=get_hostname&authentificationmethod=$CRAWL_METHOD&nickname=$CRAWL_NICKNAME&password=$CRAWL_PASSWORD&router_auto_update_hash=$CRAWL_UPDATE_HASH&router_id=$CRAWL_ROUTER_ID")
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ret=${api_return%%,*}
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if [ "$ret" != "success" ]; then
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err "Ther was an error fetching the hostname"
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exit 0
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elif [ "$ret" = "success" ]; then
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netmon_hostname=${api_return%,*}
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netmon_hostname=${netmon_hostname#*,}
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#check for valid hostname as specified in rfc 1123
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#see http://stackoverflow.com/a/3824105
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regex='^([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])'
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regex=$regex'(\.([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]{0,61}[a-zA-Z0-9]))*$'
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if [ "${#netmon_hostname}" -le "255" ]; then
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if echo -n $netmon_hostname | egrep -q "$regex"; then
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if [ "$netmon_hostname" != "`cat /proc/sys/kernel/hostname`" ]; then
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err "Setting new hostname: $netmon_hostname"
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uci set system.@system[0].hostname=$netmon_hostname
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uci commit
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echo $netmon_hostname > /proc/sys/kernel/hostname
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else
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err "Hostname is up to date"
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fi
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else
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err "Hostname ist malformed"
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exit 0
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fi
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else
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err "Hostname exceeds the maximum length of 255 characters"
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exit 0
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fi
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fi
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}
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if [ "$SCRIPT_SYNC_HOSTNAME" = "1" ]; then
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sync_hostname
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fi
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