From b17d70f6e7eaca407a67712909590474e5e7aa86 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20L=C3=B6ffler?= <florian.loeffler@fau.de>
Date: Tue, 5 May 2020 11:09:30 +0200
Subject: [PATCH] started rewrite and cleanup + implemented retrieval of WAN IP
 without login

---
 easyBoxCtrl.sh | 62 ++++++++++++++++++++++++++++++++++----------------
 1 file changed, 43 insertions(+), 19 deletions(-)

diff --git a/easyBoxCtrl.sh b/easyBoxCtrl.sh
index 7680963..d0bd8fc 100755
--- a/easyBoxCtrl.sh
+++ b/easyBoxCtrl.sh
@@ -14,29 +14,58 @@ HOST="192.168.0.2"
 # The reconnect duration of the EasyBox 804 is quite long, it can be up to 180 seconds.
 
 
+# fake user agent
+UA="Mozilla/5.0" # FIXME spaces won't work because of bash parameter handling
+COOKIEFILE="/tmp/easyBoxCookies.txt"
 
 
+WGET_OPTS=(	
+	"--quiet"	
+	"--load-cookies $COOKIEFILE"
+        "--save-cookies $COOKIEFILE"
+        "--keep-session-cookies"
+	"--user-agent=\"${UA}\""
+	"-O -"
+)
+WGET="/usr/bin/wget ${WGET_OPTS[@]}"
+
 # * * * NO MORE CHANGES DOWN HERE * * * 
 
-read_dom () {
-    local IFS=\>
-    read -d \< ENTITY CONTENT
-}
+RETVAL=""
+touch $COOKIEFILE
 
-if [ "1" == "1" ]; then # Step 1: before sending the password
-	curl -s "http://${HOST}/main.cgi?page=login.html" -c step1_cookie.txt \
-	-o step1_answer.html
+echo "request: http://${HOST}/main.cgi?page=login.html" 1>&2
+OUT=$($WGET "http://${HOST}/main.cgi?page=login.html" )
+
+DM_COOKIE=$(echo $OUT | grep dm_cookie | awk -F"dm_cookie='" '{ print $2 }' | awk -F"'" '{ print $1 }')
+echo "DM_COOKIE = "${DM_COOKIE} 1>&2
+
+WBM_COOKIE=$(cat $COOKIEFILE | grep "wbm_cookie_session_id" | awk -F"\t" '{ print $7 }')
+echo "WBM_COOKIE = "${WBM_COOKIE} 1>&2
+
+# Create a 'special' cookie file without HOST and PATH (important):
+#	cat step1_cookie.txt | sed "s/${HOST}//g" | sed 's/\t\/\t/\t\t/g' > step1_cookie_special.txt
+#cat step1_cookie_special.txt
+
+# get WAN IP without login
+if [[ "$1" == "wan" && "$2" == "ip" ]]; then
+	echo "request: http://${HOST}/data_model.cgi" 1>&2
+	POST_DATA="<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\"><soapenv:Header><DMCookie>${DM_COOKIE}</DMCookie><SessionNotRefresh>1</SessionNotRefresh></soapenv:Header><soapenv:Body><cwmp:GetParameterValues xmlns=\"\"><ParameterNames><string>InternetGatewayDevice.WANDevice.6.WANConnectionDevice.4.WANPPPConnection.1.ExternalIPAddress</string></ParameterNames></cwmp:GetParameterValues></soapenv:Body></soapenv:Envelope>"
+
+	OUT=$($WGET \
+		--post-data="${POST_DATA}" \
+		"http://${HOST}/data_model.cgi")
+
+	RETVAL=$(echo "$OUT" | xmllint --xpath "//Value/text()" -)
+fi
+
+echo "$RETVAL"
+
+exit 0
 
-	COOKIE_STEP1=$(cat step1_cookie.txt | grep "wbm_cookie_session_id" | awk -F"\t" '{ print $7 }')
-	echo "COOKIE_STEP1 = "${COOKIE_STEP1}
 
-	# Create a 'special' cookie file without HOST and PATH (important):
-	cat step1_cookie.txt | sed "s/${HOST}//g" | sed 's/\t\/\t/\t\t/g' > step1_cookie_special.txt
-	#cat step1_cookie_special.txt
 
 
-	DM_COOKIE_STEP3_STEP1=$(cat step1_answer.html | grep dm_cookie | awk -F"dm_cookie='" '{ print $2 }' | awk -F"'" '{ print $1 }')
-	echo "DM_COOKIE_STEP3_STEP1 = "${DM_COOKIE_STEP3_STEP1}
 
 	# Sending cookies at this step is very important.
 	# If no cookies are sent, a 'new auth_key' is generated, not matching the cookies stored by this bash script.
@@ -64,11 +93,6 @@ if [ "1" == "1" ]; then # Step 1: before sending the password
 
 	#cat step2_answer.html
 
-fi
-
-
-
-
 if [ "1" == "1" ]; then # Step 3: After sending the password
 	COOKIE_STEP3=$(cat step2_cookies.txt | grep "wbm_cookie_session_id" | awk -F"\t" '{ print $7 }')
 	echo "COOKIE_STEP3 = "${COOKIE_STEP3}