ddns mikrotik script

# No-IP automatic Dynamic DNS update

# Wolf_KTL v.3.0

wolf_ktl@mail.ru

#--------------- Change Values in this section to match your setup ------------------

# No-IP User account info
:local noipuser "имя пользователя"
:local noippass "пароль"

# Set the hostname or label of network to be updated.
# Hostnames with spaces are unsupported. Replace the value in the quotations below with your host names.
# To specify multiple hosts, separate them with commas.
:local noiphost "имя.no-ip.org"

# Change to the name of interface that gets the dynamic IP address
:local inetinterface "интерфейс"

#------------------------------------------------------------------------------------
# No more changes need
# Данная переменная должна быть уникальной для каждого подключения интернет
:global previousIPFlex

:if ([/interface get $inetinterface value-name=running]) do={
# Get the current IP on the interface
:local currentIP [/ip address get [find interface="$inetinterface" disabled=no] address]

# Strip the net mask off the IP address
:for i from=( [:len $currentIP] - 1) to=0 do={
:if ( [:pick $currentIP $i] = "/") do={
:set currentIP [:pick $currentIP 0 $i]
}
}
:log info " ************* $noiphost *********************" ;
:log info "polu4aem ip $noiphost na interface $inetinterface" ;
:local tempip [:resolve $noiphost];
:log info "sravnivaem ip $noiphost i ip interface $inetinterface";

# и так сравниваем текущий ip адрес провайдера с нашей переменной, если они не совпадают меняем ip на no-ip.org
:if ($currentIP != $previousIPFlex) do={

:log info "No-IP: Current IP $currentIP is not equal to previous IP, update needed"
:set previousIPFlex $currentIP

# The update URL. Note the "\3F" is hex for question mark (?). Required since ? is a special character in commands.
:local url "http://dynupdate.no-ip.com/nic/update\3Fmyip=$currentIP"
:local noiphostarray
:set noiphostarray [:toarray $noiphost]
:foreach host in=$noiphostarray do={
:log info "No-IP: Sending update for $host"
/tool fetch url=($url . "&hostname=$host") user=$noipuser password=$noippass mode=http dst-path=("no-ip_ddns_update-" . $host . ".txt")
:log info "No-IP: Host $host updated on No-IP with IP $currentIP"
# Чистим кеш DNS (вопрос зачем?) если мы не почитим его то тогда команда resolve $noiphost будет бессмысленна . т.к в DNS кеше храниться не правильный IP
/ip dns cache flush

}
} else={
# и так сравниваем текущий ip адрес провайдера с нашей переменной (полученной в результате команды resolve $noiphost ), если они не совпадают меняем ip на no-ip.org
:if ($currentIP != $tempip) do={
:log info "otvet ot No-IP: IP $noiphost raven tekushemu na interface $inetinterface, obnovlenie trenuetsya"

:log info "No-IP: Current IP $currentIP is not equal to previous IP, update needed"
:set previousIPFlex $currentIP

# The update URL. Note the "\3F" is hex for question mark (?). Required since ? is a special character in commands.
:local url "http://dynupdate.no-ip.com/nic/update\3Fmyip=$currentIP"
:local noiphostarray
:set noiphostarray [:toarray $noiphost]
:foreach host in=$noiphostarray do={
:log info "No-IP: Sending update for $host"
/tool fetch url=($url . "&hostname=$host") user=$noipuser password=$noippass mode=http dst-path=("no-ip_ddns_update-" . $host . ".txt")
:log info "No-IP: Host $host updated on No-IP with IP $currentIP"

# Чистим кеш DNS (вопрос зачем?) если мы не почитим его то тогда команда resolve $noiphost будет бессмысленна . т.к в DNS кеше храниться не правильный IP
/ip dns cache flush

}



} else {

:log info "otvet ot No-IP: IP $noiphost raven tekushemu na interface $inetinterface, obnovlenie ne trenuetsya"
:log info " ************* close $noiphost *********************" ;
}
}
} else={
:log info "No-IP: $inetinterface is not currently running, so therefore will not update."
:log info " ************* close $noiphost *********************" ;
}