ddns-scripts: Update to version 2.1.0-3
- removed special handling for dynamic_dns_helper.sh and url_escape.sed in Makefile/postinst - minor fixes in logging - allow retry_count of "0" to run infinite retrys on error -- https://dev.openwrt.org/ticket/18382 - changed naming of .dat and .err file to have one per section, not one per process - defer hotplug helper from 25-ddns to 95-ddns (according initscript START=95) -- https://github.com/openwrt/packages/issues/568 (#568) - fix commandline for busybox wget -- https://dev.openwrt.org/ticket/18411 -- https://dev.openwrt.org/ticket/18437 -- https://github.com/openwrt/packages/issues/605 (#605) - remove checking answer from ddns provider because there are to many different. Some providers do not follow API from dyndns.com Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>
This commit is contained in:
Christian Schoenebeck
parent
b086e6ca33
commit
5e8123eb3b
7 changed files with 86 additions and 69 deletions
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@ -1,20 +1,39 @@
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Version 2.1.0-3
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Date 2014-12-07
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- removed special handling for dynamic_dns_helper.sh and url_escape.sed in Makefile/postinst
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- minor fixes in logging
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- allow retry_count of "0" to run infinite retrys on error
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-- https://dev.openwrt.org/ticket/18382
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- changed naming of .dat and .err file to have one per section, not one per process
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- defer hotplug helper from 25-ddns to 95-ddns (according initscript START=95)
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-- https://github.com/openwrt/packages/issues/568 (#568)
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- fix commandline for busybox wget
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-- https://dev.openwrt.org/ticket/18411
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-- https://dev.openwrt.org/ticket/18437
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-- https://github.com/openwrt/packages/issues/605 (#605)
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- remove checking answer from ddns provider because there are to many different.
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Many providers did not follow API from dyndns.com
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--------------------------------------------------------------------------------
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Version 2.1.0-2
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Date 2014-11-15
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- moved /usr/lib/ddns/dynamic_dns_lucihelper.sh from luci-app-ddns into this package
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(Github openwrt/luci issue 251)
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(OpenWrt Trac tickets 18326 18347)
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-- https://github.com/openwrt/luci/issue/251
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-- https://dev.openwrt.org/ticket/18326
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-- https://dev.openwrt.org/ticket/18347
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- fix: dynamic_dns_update.sh did not loop
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(OpenWrt Trac ticket 18336)
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-- https://dev.openwrt.org/ticket/18336
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- add provider cloudflare.com IPv4 and IPv6 (Thanks to Paul for support and testing)
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(OpenWrt Trac ticket 12500)
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-- https://dev.openwrt.org/ticket/12500
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- modified detection, if dynamic_dns_fuctions are used by dynamic_dns_lucihelper.sh
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- redirect stdout of wget,curl,host,nslookup,nc etc to /tmp/ddns_$$.dat and *.err instead of variables
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- extended error detection in get_local_ip function
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- modified verify of option ip_script to allow parameters, when calling
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- add provider selfhost.de IPv4
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- add provider no-ip.pl (nothing to do with no-ip.com)
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(Github openwrt/packages issue #542)
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-- https://github.com/openwrt/packages/issues/542 (#542)
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IPv4 (tested) and also added for
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IPv6 (NOT tested) because client IP is autodetected be provider
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- add getlocalip_sample.sh as sample script for usage of
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@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
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PKG_NAME:=ddns-scripts
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PKG_VERSION:=2.1.0
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PKG_RELEASE:=2
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PKG_RELEASE:=3
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PKG_LICENSE:=GPL-2.0
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PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
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@ -19,8 +19,7 @@ define Package/ddns-scripts
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endef
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define Package/ddns-scripts/description
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A highly configurable set of scripts for doing dynamic dns updates.
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NEW in this version:
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A highly configurable set of scripts for doing dynamic dns updates.
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- IPv6 support
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- force communication to IPv4 or IPv6 only
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- DNS server support
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@ -29,6 +28,7 @@ define Package/ddns-scripts/description
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- Proxy server support
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- log file support
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- support to run once
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Version: $(PKG_VERSION)-$(PKG_RELEASE)
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endef
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define Build/Prepare
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@ -64,14 +64,6 @@ define Package/ddns-scripts/postinst
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# if run within buildroot exit
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[ -n "$${IPKG_INSTROOT}" ] && exit 0
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# remove old sed script file
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[ -f /usr/lib/ddns/url_escape.sed ] && rm -f /usr/lib/ddns/url_escape.sed
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# luci updates are not in sync with ddns-script updates !!!
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# if old luci-app-ddns then errors during install because exist from differnt package
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# copy dynamic_dns_helper.tmp.sh -> dynamic_dns_helper.sh
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cp -f /usr/lib/ddns/dynamic_dns_lucihelper.tmp.sh /usr/lib/ddns/dynamic_dns_lucihelper.sh
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# add new section "ddns" "global" if not exists
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uci -q get ddns.global > /dev/null || uci -q set ddns.global='ddns'
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uci -q get ddns.global.date_format > /dev/null || uci -q set ddns.global.date_format='%F %R'
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65
net/ddns-scripts/files/usr/lib/ddns/dynamic_dns_functions.sh
Normal file → Executable file
65
net/ddns-scripts/files/usr/lib/ddns/dynamic_dns_functions.sh
Normal file → Executable file
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@ -34,13 +34,15 @@ VERBOSE_MODE=1 # default mode is log to console, but easily changed with parame
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# directory to store run information to.
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RUNDIR=$(uci -q get ddns.global.run_dir) || RUNDIR="/var/run/ddns"
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[ -d $RUNDIR ] || mkdir -p -m755 $RUNDIR
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# NEW # directory to store log files
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LOGDIR=$(uci -q get ddns.global.log_dir) || LOGDIR="/var/log/ddns"
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[ -d $LOGDIR ] || mkdir -p -m755 $LOGDIR
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LOGFILE="" # NEW # logfile can be enabled as new option
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PIDFILE="" # pid file
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UPDFILE="" # store UPTIME of last update
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DATFILE="/tmp/ddns_$$.dat" # save stdout data of WGet and other extern programs called
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ERRFILE="/tmp/ddns_$$.err" # save stderr output of WGet and other extern programs called
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DATFILE="" # save stdout data of WGet and other extern programs called
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ERRFILE="" # save stderr output of WGet and other extern programs called
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# number of lines to before rotate logfile
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LOGLINES=$(uci -q get ddns.global.log_lines) || LOGLINES=250
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@ -224,7 +226,6 @@ write_log() {
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[ $VERBOSE_MODE -gt 0 -o $__EXIT -gt 0 ] && echo -e "$__MSG"
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# write to logfile
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if [ ${use_logfile:-1} -eq 1 -o $VERBOSE_MODE -gt 1 ]; then
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[ -d $LOGDIR ] || mkdir -p -m 755 $LOGDIR
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echo -e "$__MSG" >> $LOGFILE
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# VERBOSE_MODE > 1 then NO loop so NO truncate log to $LOGLINES lines
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[ $VERBOSE_MODE -gt 1 ] || sed -i -e :a -e '$q;N;'$LOGLINES',$D;ba' $LOGFILE
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@ -302,8 +303,7 @@ get_service_data() {
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awk ' gsub("\x27", "\"") { if ($1~/^[^\"]*$/) $1="\""$1"\"" }; { if ( $NF~/^[^\"]*$/) $NF="\""$NF"\"" }; { print $0 }')
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IFS=$__NEWLINE_IFS
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for __LINE in $__SERVICES
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do
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for __LINE in $__SERVICES; do
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#grep out proper parts of data and use echo to remove quotes
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__NAME=$(echo $__LINE | grep -o "^[\t ]*\"[^\"]*\"" | xargs -r -n1 echo)
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__DATA=$(echo $__LINE | grep -o "\"[^\"]*\"[\t ]*$" | xargs -r -n1 echo)
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@ -459,7 +459,7 @@ verify_host_port() {
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# command error
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[ $__ERR -gt 0 ] && {
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write_log 3 "DNS Resolver Error - BusyBox nslookup Error '$__ERR'"
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write_log 7 "Error:\n$(cat $ERRFILE)"
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write_log 7 "$(cat $ERRFILE)"
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return 2
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}
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# extract IP address
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@ -499,7 +499,7 @@ verify_host_port() {
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__ERR=$?
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[ $__ERR -eq 0 ] && return 0
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write_log 3 "Connect error - BusyBox nc (netcat) Error '$__ERR'"
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write_log 7 "Error:\n$(cat $ERRFILE)"
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write_log 7 "$(cat $ERRFILE)"
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return 3
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else # nc compiled without extensions (no timeout support)
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__RUNPROG="timeout 2 -- /usr/bin/nc $__IP $__PORT </dev/null >$DATFILE 2>$ERRFILE"
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@ -533,7 +533,7 @@ verify_dns() {
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elif [ $__ERR -ne 0 ]; then
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__CNT=$(( $__CNT + 1 )) # increment error counter
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# if error count > retry_count leave here
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[ $__CNT -gt $retry_count ] && \
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[ $retry_count -gt 0 -a $__CNT -gt $retry_count ] && \
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write_log 14 "Verify DNS server '$1' failed after $retry_count retries"
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write_log 4 "Verify DNS server '$1' failed - retry $__CNT/$retry_count in $RETRY_SECONDS seconds"
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@ -593,7 +593,7 @@ verify_proxy() {
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elif [ $__ERR -gt 0 ]; then
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__CNT=$(( $__CNT + 1 )) # increment error counter
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# if error count > retry_count leave here
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[ $__CNT -gt $retry_count ] && \
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[ $retry_count -gt 0 -a $__CNT -gt $retry_count ] && \
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write_log 14 "Verify Proxy server '$1' failed after $retry_count retries"
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write_log 4 "Verify Proxy server '$1' failed - retry $__CNT/$retry_count in $RETRY_SECONDS seconds"
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@ -637,7 +637,7 @@ do_transfer() {
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# disable proxy if no set (there might be .wgetrc or .curlrc or wrong environment set)
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[ -z "$proxy" ] && __PROG="$__PROG --no-proxy"
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__RUNPROG="$__PROG $__URL" # build final command
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__RUNPROG="$__PROG '$__URL'" # build final command
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__PROG="GNU Wget" # reuse for error logging
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# 2nd choice is cURL IPv4/IPv6/HTTPS
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@ -671,7 +671,7 @@ do_transfer() {
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write_log 13 "cURL: libcurl compiled without Proxy support"
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fi
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__RUNPROG="$__PROG $__URL" # build final command
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__RUNPROG="$__PROG '$__URL'" # build final command
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__PROG="cURL" # reuse for error logging
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# busybox Wget (did not support neither IPv6 nor HTTPS)
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@ -686,8 +686,8 @@ do_transfer() {
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# disable proxy if no set (there might be .wgetrc or .curlrc or wrong environment set)
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[ -z "$proxy" ] && __PROG="$__PROG -Y off"
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__RUNPROG="$__PROG $__URL 2>$ERRFILE" # build final command
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__PROG="Busybox Wget" # reuse for error logging
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__RUNPROG="$__PROG '$__URL' 2>$ERRFILE" # build final command
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__PROG="Busybox Wget" # reuse for error logging
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else
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write_log 13 "Neither 'Wget' nor 'cURL' installed or executable"
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@ -695,7 +695,7 @@ do_transfer() {
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while : ; do
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write_log 7 "#> $__RUNPROG"
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$__RUNPROG # DO transfer
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eval $__RUNPROG # DO transfer
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__ERR=$? # save error code
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[ $__ERR -eq 0 ] && return 0 # no error leave
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[ $LUCI_HELPER ] && return 1 # no retry if called by LuCI helper script
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@ -711,7 +711,7 @@ do_transfer() {
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__CNT=$(( $__CNT + 1 )) # increment error counter
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# if error count > retry_count leave here
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[ $__CNT -gt $retry_count ] && \
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[ $retry_count -gt 0 -a $__CNT -gt $retry_count ] && \
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write_log 14 "Transfer failed after $retry_count retries"
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write_log 4 "Transfer failed - retry $__CNT/$retry_count in $RETRY_SECONDS seconds"
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@ -750,11 +750,11 @@ send_update() {
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write_log 7 "DDNS Provider answered:\n$(cat $DATFILE)"
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# analyse provider answers
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# "good [IP_ADR]" = successful
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# "nochg [IP_ADR]" = no change but OK
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grep -E "good|nochg" $DATFILE >/dev/null 2>&1
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return $? # "0" if "good" or "nochg" found
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return 0
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# TODO analyse providers answer
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# "good" or "nochg" = dyndns.com compatible API
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# grep -i -E "good|nochg" $DATFILE >/dev/null 2>&1
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# return $? # "0" if found
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fi
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}
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@ -846,6 +846,9 @@ get_local_ip () {
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}
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[ $LUCI_HELPER ] && return 1 # no retry if called by LuCI helper script
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write_log 7 "Data detected:\n$(cat $DATFILE)"
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[ $VERBOSE_MODE -gt 1 ] && {
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# VERBOSE_MODE > 1 then NO retry
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write_log 4 "Get local IP via '$ip_source' failed - Verbose Mode: $VERBOSE_MODE - NO retry on error"
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@ -854,9 +857,8 @@ get_local_ip () {
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__CNT=$(( $__CNT + 1 )) # increment error counter
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# if error count > retry_count leave here
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[ $__CNT -gt $retry_count ] && \
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[ $retry_count -gt 0 -a $__CNT -gt $retry_count ] && \
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write_log 14 "Get local IP via '$ip_source' failed after $retry_count retries"
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write_log 4 "Get local IP via '$ip_source' failed - retry $__CNT/$retry_count in $RETRY_SECONDS seconds"
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sleep $RETRY_SECONDS &
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PID_SLEEP=$!
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@ -908,7 +910,7 @@ get_registered_ip() {
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__ERR=$?
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if [ $__ERR -ne 0 ]; then
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write_log 3 "$__PROG error: '$__ERR'"
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write_log 7 "Error:\n$(cat $ERRFILE)"
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write_log 7 "$(cat $ERRFILE)"
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else
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if [ "$__PROG" = "BIND host" ]; then
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__DATA=$(cat $DATFILE | awk -F "address " '/has/ {print $2; exit}' )
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@ -934,7 +936,7 @@ get_registered_ip() {
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__CNT=$(( $__CNT + 1 )) # increment error counter
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# if error count > retry_count leave here
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[ $__CNT -gt $retry_count ] && \
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[ $retry_count -gt 0 -a $__CNT -gt $retry_count ] && \
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write_log 14 "Get registered/public IP for '$domain' failed after $retry_count retries"
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write_log 4 "Get registered/public IP for '$domain' failed - retry $__CNT/$retry_count in $RETRY_SECONDS seconds"
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@ -966,18 +968,19 @@ trap_handler() {
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[ $PID_SLEEP -ne 0 ] && kill -$1 $PID_SLEEP 2>/dev/null # kill pending sleep if exist
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case $1 in
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0) if [ $__ERR -eq 0 ]; then
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0) if [ $__ERR -eq 0 ]; then
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write_log 5 "PID '$$' exit normal at $(eval $DATE_PROG)\n"
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else
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write_log 4 "PID '$$' exit WITH ERROR '$__ERR' at $(eval $DATE_PROG)\n"
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fi ;;
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1) write_log 6 "PID '$$' received 'SIGHUP' at $(eval $DATE_PROG)"
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eval "$0 $SECTION_ID $VERBOSE_MODE &" # reload config via restarting script
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exit 0 ;;
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2) write_log 5 "PID '$$' terminated by 'SIGINT' at $(eval $DATE_PROG)\n";;
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3) write_log 5 "PID '$$' terminated by 'SIGQUIT' at $(eval $DATE_PROG)\n";;
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1) write_log 6 "PID '$$' received 'SIGHUP' at $(eval $DATE_PROG)"
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# reload config via starting the script again
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eval "/usr/lib/ddns/dynamic_dns_updater.sh $SECTION_ID $VERBOSE_MODE &"
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exit 0 ;; # and leave this one
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2) write_log 5 "PID '$$' terminated by 'SIGINT' at $(eval $DATE_PROG)\n";;
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3) write_log 5 "PID '$$' terminated by 'SIGQUIT' at $(eval $DATE_PROG)\n";;
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15) write_log 5 "PID '$$' terminated by 'SIGTERM' at $(eval $DATE_PROG)\n";;
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*) write_log 13 "Unhandled signal '$1' in 'trap_handler()'";;
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*) write_log 13 "Unhandled signal '$1' in 'trap_handler()'";;
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esac
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__PIDS=$(pgrep -P $$) # get my childs (pgrep prints with "newline")
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@ -22,6 +22,8 @@
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# preset some variables, wrong or not set in dynamic_dns_functions.sh
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SECTION_ID="lucihelper"
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LOGFILE="$LOGDIR/$SECTION_ID.log"
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DATFILE="$RUNDIR/$SECTION_ID.dat" # save stdout data of WGet and other extern programs called
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ERRFILE="$RUNDIR/$SECTION_ID.err" # save stderr output of WGet and other extern programs called
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VERBOSE_MODE=0 # no console logging
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# global variables normally set by reading DDNS UCI configuration
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use_syslog=0 # no syslog
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@ -44,6 +44,8 @@ VERBOSE_MODE=${2:-1} # default mode is log to console
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# set file names
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PIDFILE="$RUNDIR/$SECTION_ID.pid" # Process ID file
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UPDFILE="$RUNDIR/$SECTION_ID.update" # last update successful send (system uptime)
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DATFILE="$RUNDIR/$SECTION_ID.dat" # save stdout data of WGet and other extern programs called
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ERRFILE="$RUNDIR/$SECTION_ID.err" # save stderr output of WGet and other extern programs called
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LOGFILE="$LOGDIR/$SECTION_ID.log" # log file
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# VERBOSE_MODE > 1 delete logfile if exist to create an empty one
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@ -98,14 +100,14 @@ trap "trap_handler 15" 15 # SIGTERM Termination
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#
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# retry_interval if error was detected retry in
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# retry_unit 'days' 'hours' 'minutes' 'seconds'
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# retry_count #NEW# number of retries before scripts stops
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# retry_count number of retries before scripts stops
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#
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# use_ipv6 #NEW# detecting/sending IPv6 address
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# force_ipversion #NEW# force usage of IPv4 or IPv6 for the whole detection and update communication
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# dns_server #NEW# using a non default dns server to get Registered IP from Internet
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# force_dnstcp #NEW# force communication with DNS server via TCP instead of default UDP
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# proxy #NEW# using a proxy for communication !!! ALSO used to detect local IP via web => return proxy's IP !!!
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# use_logfile #NEW# self-explanatory "/var/log/ddns/$SECTION_ID.log"
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# use_ipv6 detecting/sending IPv6 address
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# force_ipversion force usage of IPv4 or IPv6 for the whole detection and update communication
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# dns_server using a non default dns server to get Registered IP from Internet
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# force_dnstcp force communication with DNS server via TCP instead of default UDP
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# proxy using a proxy for communication !!! ALSO used to detect local IP via web => return proxy's IP !!!
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# use_logfile self-explanatory "/var/log/ddns/$SECTION_ID.log"
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#
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# some functionality needs
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# - GNU Wget or cURL installed for sending updates to DDNS service
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@ -138,12 +140,12 @@ esac
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# set defaults if not defined
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[ -z "$enabled" ] && enabled=0
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[ -z "$retry_count" ] && retry_count=5
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[ -z "$use_syslog" ] && use_syslog=0 # not use syslog
|
||||
[ -z "$use_syslog" ] && use_syslog=2 # syslog "Notice"
|
||||
[ -z "$use_https" ] && use_https=0 # not use https
|
||||
[ -z "$use_logfile" ] && use_logfile=1 # NEW - use logfile by default
|
||||
[ -z "$use_ipv6" ] && use_ipv6=0 # NEW - use IPv4 by default
|
||||
[ -z "$force_ipversion" ] && force_ipversion=0 # NEW - default let system decide
|
||||
[ -z "$force_dnstcp" ] && force_dnstcp=0 # NEW - default UDP
|
||||
[ -z "$use_logfile" ] && use_logfile=1 # use logfile by default
|
||||
[ -z "$use_ipv6" ] && use_ipv6=0 # use IPv4 by default
|
||||
[ -z "$force_ipversion" ] && force_ipversion=0 # default let system decide
|
||||
[ -z "$force_dnstcp" ] && force_dnstcp=0 # default UDP
|
||||
[ -z "$ip_source" ] && ip_source="network"
|
||||
[ "$ip_source" = "network" -a -z "$ip_network" -a $use_ipv6 -eq 0 ] && ip_network="wan" # IPv4: default wan
|
||||
[ "$ip_source" = "network" -a -z "$ip_network" -a $use_ipv6 -eq 1 ] && ip_network="wan6" # IPv6: default wan6
|
||||
|
|
@ -185,15 +187,8 @@ write_log 7 "retry counter : $retry_count times"
|
|||
[ -n "$update_script" -a ! -f "$update_script" ] && write_log 14 "Custom update_script not found!"
|
||||
|
||||
#kill old process if it exists & set new pid file
|
||||
if [ -d $RUNDIR ]; then
|
||||
#if process for section is already running, stop it
|
||||
stop_section_processes "$SECTION_ID"
|
||||
[ $? -gt 0 ] && write_log 7 "Send 'SIGTERM' to old process" || write_log 7 "No old process"
|
||||
else
|
||||
#make dir since it doesn't exist
|
||||
mkdir -p $RUNDIR
|
||||
write_log 7 "No old process"
|
||||
fi
|
||||
stop_section_processes "$SECTION_ID"
|
||||
[ $? -gt 0 ] && write_log 7 "Send 'SIGTERM' to old process" || write_log 7 "No old process"
|
||||
echo $$ > $PIDFILE
|
||||
|
||||
# determine when the last update was
|
||||
|
|
@ -307,7 +302,8 @@ while : ; do
|
|||
if [ "$LOCAL_IP" != "$REGISTERED_IP" ]; then
|
||||
if [ $VERBOSE_MODE -le 1 ]; then # VERBOSE_MODE <=1 then retry
|
||||
ERR_UPDATE=$(( $ERR_UPDATE + 1 ))
|
||||
[ $ERR_UPDATE -gt $retry_count ] && write_log 14 "Updating IP at DDNS provider failed after $retry_count retries"
|
||||
[ $retry_count -gt 0 -a $ERR_UPDATE -gt $retry_count ] && \
|
||||
write_log 14 "Updating IP at DDNS provider failed after $retry_count retries"
|
||||
write_log 4 "Updating IP at DDNS provider failed - starting retry $ERR_UPDATE/$retry_count"
|
||||
continue # loop to beginning
|
||||
else
|
||||
|
|
|
|||
|
|
@ -10,6 +10,11 @@
|
|||
#
|
||||
# the script is executed (not parsed) inside get_local_ip() function
|
||||
# of /usr/lib/ddns/dynamic_dns_functions.sh
|
||||
#
|
||||
# useful when this box is the only DDNS client in the network
|
||||
# IP adresses of "internal" boxes could be detected with this script
|
||||
# so no need to install ddns client on every "internal" box
|
||||
# On IPv6 every internal box normally has it's own external IP
|
||||
#
|
||||
# This script should
|
||||
# - return the IP address via stdout echo -n "...." !!! without line feed
|
||||
|
|
|
|||
Loading…
Reference in a new issue