mirror of
https://github.com/EV21/dynb.git
synced 2025-12-26 16:39:32 +01:00
feat: ✨ add loop mode
This commit is contained in:
162
dynb.sh
162
dynb.sh
@@ -10,23 +10,23 @@
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## Configuration ##
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###################
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DYNB_DYN_DOMAIN=
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#DYNB_DYN_DOMAIN=
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## service provider could be deSEC, duckdns, dynv6, inwx
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DYNB_SERVICE_PROVIDER=
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#DYNB_SERVICE_PROVIDER=
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## update method options: domrobot, dyndns
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DYNB_UPDATE_METHOD=
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#DYNB_UPDATE_METHOD=
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## ip mode could be either: 4, 6 or dual for dualstack
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DYNB_IP_MODE=
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#DYNB_IP_MODE=
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## If you are using the DomRobot RPC-API enter your credentials for the web interface login here
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## If you are using the DynDNS2 protocol enter your credentials here
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DYNB_USERNAME=
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DYNB_PASSWORD=
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#DYNB_USERNAME=
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#DYNB_PASSWORD=
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## or use a token
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DYNB_TOKEN=
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#DYNB_TOKEN=
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## TTL (time to live) for the DNS record
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## This setting is only relevant for API based record updates (not DnyDNS2!)
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@@ -36,7 +36,7 @@ TTL=300
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## The IP-Check sites (some sites have different urls for v4 and v6)
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## Pro tip: use your own ip check server for privacy
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## it could be as simple as that...
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## create an index.php with <?php echo $_SERVER['REMOTE_ADDR']; ?>
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## create an index.php with <?php echo $_SERVER'REMOTE_ADDR'; ?>
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_ipv4_checker=api64.ipify.org
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_ipv6_checker=api64.ipify.org
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@@ -65,11 +65,13 @@ _response=
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_statusHostname=
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_statusUsername=
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_statusPassword=
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_version=0.0.1
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_version=0.1.0
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_userAgent="DynB/$_version github.com/EV21/dynb"
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_configFile=$HOME/.local/share/dynb/.env
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_statusFile=/tmp/dynb.status
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_debug=0
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_minimum_looptime=60
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_loopMode=0
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# Created by argbash-init v2.10.0
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# Rearrange the order of options below according to what you would like to see in the help message.
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@@ -84,6 +86,7 @@ _debug=0
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# ARG_OPTIONAL_SINGLE([username],[u],[depends on your selected update method and your provider],[])
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# ARG_OPTIONAL_SINGLE([password],[p],[depends on your selected update method and your provider],[])
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# ARG_OPTIONAL_SINGLE([token],[t],[depends on your selected update method and your provider],[])
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# ARG_OPTIONAL_SINGLE([interval],[],[choose the seconds interval to run the script in a loop, minimum is 60],[])
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# ARG_HELP([DynB - dynamic DNS update script for bash])
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# ARGBASH_GO()
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# needed because of Argbash --> m4_ignore([
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@@ -120,12 +123,13 @@ _arg_service_provider=
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_arg_username=
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_arg_password=
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_arg_token=
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_arg_interval=
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print_help()
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{
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printf '%s\n' "DynB - dynamic DNS update script for bash"
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printf 'Usage: %s [-v|--(no-)version] [-l|--(no-)link] [-r|--(no-)reset] [--(no-)debug] [-m|--update-method <arg>] [-i|--ip-mode <arg>] [-d|--domain <arg>] [-s|--service-provider <arg>] [-u|--username <arg>] [-p|--password <arg>] [-t|--token <arg>] [-h|--help]\n' "$0"
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printf 'Usage: %s [-v|--(no-)version] [-l|--(no-)link] [-r|--(no-)reset] [--(no-)debug] [-m|--update-method <arg>] [-i|--ip-mode <arg>] [-d|--domain <arg>] [-s|--service-provider <arg>] [-u|--username <arg>] [-p|--password <arg>] [-t|--token <arg>] [--interval <arg>] [-h|--help]\n' "$0"
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printf '\t%s\n' "-v, --version, --no-version: outputs the client version (off by default)"
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printf '\t%s\n' "-l, --link, --no-link: links to your script at ~/.local/bin/dynb (off by default)"
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printf '\t%s\n' "-r, --reset, --no-reset: deletes the client blocking status file (off by default)"
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@@ -137,6 +141,7 @@ print_help()
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printf '\t%s\n' "-u, --username: depends on your selected update method and your provider (no default)"
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printf '\t%s\n' "-p, --password: depends on your selected update method and your provider (no default)"
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printf '\t%s\n' "-t, --token: depends on your selected update method and your provider (no default)"
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printf '\t%s\n' "--interval: choose the seconds interval to run the script in a loop, minimum is 60 (no default)"
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printf '\t%s\n' "-h, --help: Prints help"
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}
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@@ -264,6 +269,14 @@ parse_commandline()
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-t*)
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_arg_token="${_key##-t}"
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;;
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--interval)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_interval="$2"
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shift
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;;
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--interval=*)
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_arg_interval="${_key##--interval=}"
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;;
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-h|--help)
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print_help
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exit 0
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@@ -316,6 +329,14 @@ dynb --ip-mode dual --update-method dyndns --service-provider inwx --domain dynd
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EOF
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)"
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function loopMode() {
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if [[ $_loopMode -eq 1 ]]; then
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return 0
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else
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return 1
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fi
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}
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function debugMode() {
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if [[ $_debug -eq 1 ]]; then
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return 0
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@@ -493,7 +514,7 @@ function dynupdate() {
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esac
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case $_response in
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good* | OK* )
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good* | OK* | "addresses updated" )
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if [[ $_response == "good 127.0.0.1" ]]; then
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echoerr "Error: $_response: Request ignored."
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return 1
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@@ -706,6 +727,36 @@ function handleParameters() {
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if [[ $_arg_token != "" ]]; then
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DYNB_TOKEN=$_arg_token
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fi
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if [[ $_arg_interval != "" ]]; then
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DYNB_INTERVAL=$_arg_interval
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fi
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if [[ -z $DYNB_INTERVAL ]]; then
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_loopMode=0
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elif [[ $DYNB_INTERVAL -lt _minimum_looptime ]]; then
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DYNB_INTERVAL=$_minimum_looptime
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_loopMode=1
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else
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_loopMode=1
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fi
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if [[ $_network_interface != "" ]]; then
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_interface_str="--interface $_network_interface"
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fi
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if [[ $DYNB_IP_MODE == d* ]]; then
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_is_IPv4_enabled=true
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_is_IPv6_enabled=true
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fi
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if [[ $DYNB_IP_MODE == *4* ]]; then
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_is_IPv4_enabled=true
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fi
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if [[ $DYNB_IP_MODE == *6* ]]; then
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_is_IPv6_enabled=true
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fi
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if [[ $DYNB_DEBUG == true ]]; then
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_debug=1
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fi
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return 0
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}
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@@ -751,49 +802,7 @@ function doUnsets() {
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unset _version
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}
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#################
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## MAIN method ##
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#################
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function dynb() {
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## parameters and checks
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checkDependencies
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# shellcheck source=.env
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if test -f "$_configFile"; then
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# shellcheck disable=SC1091
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source "$_configFile"
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else
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alternativeConfig="$(dirname "$(realpath "$0")")/.env"
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if test -f "$alternativeConfig"; then
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# shellcheck disable=SC1091
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source "$alternativeConfig"
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fi
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fi
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if test -f "$_statusFile"; then
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debugMessage "read previous status file"
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# shellcheck disable=SC1090
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source "$_statusFile"
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fi
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handleParameters
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if [[ $_network_interface != "" ]]; then
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_interface_str="--interface $_network_interface"
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fi
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if [[ $DYNB_IP_MODE == d* ]]; then
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_is_IPv4_enabled=true
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_is_IPv6_enabled=true
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fi
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if [[ $DYNB_IP_MODE == *4* ]]; then
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_is_IPv4_enabled=true
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fi
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if [[ $DYNB_IP_MODE == *6* ]]; then
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_is_IPv6_enabled=true
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fi
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## execute operations
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function doUpdates() {
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if [[ $DYNB_UPDATE_METHOD == "domrobot" ]]; then
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getMainDomain
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fetchDNSRecords
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@@ -801,12 +810,16 @@ function dynb() {
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ipHasChanged 4
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if [[ $? == 1 ]]; then
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updateRecord 4
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else
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debugMessage "Skip IPv4 record update, it is already up to date"
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fi
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fi
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if [[ $_is_IPv6_enabled == true ]]; then
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ipHasChanged 6
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if [[ $? == 1 ]]; then
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updateRecord 6
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else
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debugMessage "Skip IPv6 record update, it is already up to date"
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fi
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fi
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fi
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@@ -837,6 +850,47 @@ function dynb() {
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debugMessage "Skip DynDNS2 update, IPs are up to date"
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fi
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fi
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}
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#################
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## MAIN method ##
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#################
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function dynb() {
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## parameters and checks
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checkDependencies
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# shellcheck source=.env
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if test -f "$_configFile"; then
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# shellcheck disable=SC1091
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source "$_configFile"
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else
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alternativeConfig="$(dirname "$(realpath "$0")")/.env"
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if test -f "$alternativeConfig"; then
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# shellcheck disable=SC1091
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source "$alternativeConfig"
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fi
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fi
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if test -f "$_statusFile"; then
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debugMessage "read previous status file"
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# shellcheck disable=SC1090
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source "$_statusFile"
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fi
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handleParameters
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## execute operations
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if loopMode; then
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while checkStatus
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do
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doUpdates
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sleep $DYNB_INTERVAL
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done
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else
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doUpdates
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fi
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doUnsets
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return 0
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}
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