Rework LuCI build system

[project/luci.git] / applications / luci-app-ddns / root / usr / lib / ddns / dynamic_dns_lucihelper.sh

diff --git a/applications/luci-app-ddns/root/usr/lib/ddns/dynamic_dns_lucihelper.sh b/applications/luci-app-ddns/root/usr/lib/ddns/dynamic_dns_lucihelper.sh
new file mode 100755 (executable)
index 0000000..1782d1f
--- /dev/null
+++ b/applications/luci-app-ddns/root/usr/lib/ddns/dynamic_dns_lucihelper.sh
@@ -0,0 +1,82 @@
+#!/bin/sh
+# /usr/lib/ddns/luci_dns_helper.sh
+#
+# Written by Christian Schoenebeck in August 2014 to support:
+# this script is used by luci-app-ddns
+# - getting registered IP
+# - check if possible to get local IP
+# - verifing given DNS- or Proxy-Server
+#
+# variables in small chars are read from /etc/config/ddns
+# variables in big chars are defined inside these scripts as gloval vars
+# variables in big chars beginning with "__" are local defined inside functions only
+# set -vx      #script debugger
+
+[ $# -lt 2 ] && exit 1
+
+. /usr/lib/ddns/dynamic_dns_functions.sh       # global vars are also defined here
+
+# set -vx      #script debugger
+
+# preset some variables wrong or not set in dynamic_dns_functions.sh
+SECTION_ID="dynamic_dns_lucihelper"
+LOGFILE="$LOGDIR/$SECTION_ID.log"
+LUCI_HELPER="ACTIV"    # supress verbose and critical logging
+# global variables normally set by reading DDNS UCI configuration
+use_logfile=0
+use_syslog=0
+
+case "$1" in
+       get_registered_ip)
+               local IP
+               domain=$2                       # Hostname/Domain
+               use_ipv6=${3:-"0"}              # Use IPv6 - default IPv4
+               force_ipversion=${4:-"0"}       # Force IP Version - default 0 - No
+               force_dnstcp=${5:-"0"}          # Force TCP on DNS - default 0 - No
+               dns_server=${6:-""}             # DNS server - default No DNS
+               get_registered_ip IP
+               [ $? -ne 0 ] && IP=""
+               echo -n "$IP"                   # suppress LF
+               ;;
+       verify_dns)
+               # $2 == dns-server to verify    # no need for force_dnstcp because
+                                               # verify with nc (netcat) uses tcp anyway
+               use_ipv6=${3:-"0"}              # Use IPv6 - default IPv4
+               force_ipversion=${4:-"0"}       # Force IP Version - default 0 - No
+               verify_dns "$2"
+               ;;
+       verify_proxy)
+               # $2 == proxy string to verify
+               use_ipv6=${3:-"0"}              # Use IPv6 - default IPv4
+               force_ipversion=${4:-"0"}       # Force IP Version - default 0 - No
+               verify_proxy "$2"
+               ;;
+       get_local_ip)
+               local IP
+               use_ipv6="$2"                   # Use IPv6
+               ip_source="$3"                  # IP source
+               ip_network="$4"                 # set if source = "network" otherwise "-"
+               ip_url="$5"                     # set if source = "web" otherwise "-"
+               ip_interface="$6"               # set if source = "interface" itherwiase "-"
+               ip_script="$7"                  # set if source = "script" otherwise "-"
+               proxy="$8"                      # proxy if set
+               force_ipversion="0"             # not needed but must be set
+               use_https="0"                   # not needed but must be set
+               [ -n "$proxy" -a "$ip_source" == "web" ] && {
+                       # proxy defined, used for ip_source=web
+                       export HTTP_PROXY="http://$proxy"
+                       export HTTPS_PROXY="http://$proxy"
+                       export http_proxy="http://$proxy"
+                       export https_proxy="http://$proxy"
+               }
+               # don't need IP only the return code
+               [ "$ip_source" == "web" -o  "$ip_source" == "script"] && {              
+                       # we wait only 3 seconds for an 
+                       # answer from "web" or "script"
+                       __timeout 3 -- get_local_ip IP
+               } || get_local_ip IP
+               ;;
+       *)      
+               return 1
+               ;;
+esac