mirror of https://github.com/Anime4000/RTL960x.git
Adding semi-automated method of how to reset the device without UART access
This commit is contained in:
Andrey Miroshnichenko
parent
51753991c8
commit
f5e12e3b1c
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@ -19,3 +19,50 @@ flash_eraseall /dev/mtd3
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reboot
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```
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After reset, Stick will use default (hardcoded software) MAC Address, wrong `key` will not Authenticated to OLT!
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## Semi Automated reset script
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There is a script [reset-config-partition.sh] in this repo which was created to automate some operations.
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If there is no mess with the VLAN configuration, it could be possible to reset the device to factory settings using SSH
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or WebUI connection. Sometimes it could be harder when the stick is in the endless loop: the network appears up for a
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few seconds until the stick gets rebooted, but as usual it's enough to send the necessary commands into the stick to do
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the job.
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[reset-config-partition.sh] had been tested with **ODI DFP-34X-2C2** with **220923** firmware. The process looks like
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this (Linux/MacOS):
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1. It's obvious that you have the correct routing at your switch/router. Routing is not the subject of this article.
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2. In one terminal I run `ping 192.168.100.100` just to see when the stick comes online.
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Sometimes I can see 1 ping back, sometimes 4. In this example `192.168.100.100` is the custom IP of the stick.
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The default IP as usual `192.168.1.1`.
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3. At the second terminal invoke `./reset-config-partition.sh ssh 192.168.100.100 admin password`. Take a look into the
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script [reset-config-partition.sh] and check for the parameters. In this example:
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- `./reset-config-partition.sh` - path to the script
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- `ssh` - which connection type to use. Possible values are `ssh` and `curl`. For `ssh` type you need to have
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`sshpass` binary installed. In Ubuntu you can install with `apt install sshpass`. At MacOS use Homebrew and:
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`brew install sshpass`. Google for other distros :)
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It's possible to use `curl` method and no additional software as usual is required, but it was noticed that
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reseting via WebUI not wipes the config partition, but just resets the IP address and the passwords.
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- `admin` - the admin username
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- `password` - the admin password.
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If you forgot the username - you can try to use the system users (yes, there is a backdoor in the stick :)).
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Credentials are:
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- User `adsl` and password is `realtek`.
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- User `user` and password is `user` (could be changed later by `flash set USER_PASSWORD 123123`).
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- User `administrator` and password is `Stel$864` (could be changed later by `flash set E8BDUSER_PASSWORD 123123`).
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4. Just wait until the script ereases the partition. Sometimes it could take up to 12-20 minutes to catch for the enough
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interval when ssh/WebUI is available. When using SSH method - you'll see something like
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`Erasing 4 Kibyte @ 3b000 -- 98 % complete.`. The script should finish ithself.
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5. Here you can repeat the operation (I did), or reboot the stick. You can try just to re-plug it into the
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switch/router/mediaconverter device. If it's not possible, you can try the script with little different parameters:
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`./reset-config-partition.sh ssh 192.168.100.100 admin password reboot`. At the third terminal run `ping 192.168.1.1`
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(i do not cover routing setup here) and ...just wait. After the succesfull reset process the device should appear at
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`192.168.1.1`. Unfortunately the script does not catch an exit status correctly, so after you see the ping - interrupt
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the script with Ctrl+C.
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6. Log into the device using the default credentials and IP address. After the resetting `MAC_KEY` is lost and the
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MAC address is lost as well. You can `flash set ...` them later.
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---
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[reset-config-partition.sh](..%2FTools%2Freset%2Freset-config-partition.sh)
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@ -0,0 +1,120 @@
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#!/usr/bin/env bash
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# USAGE:
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# reset-config-partition.sh method IP user password [operation]
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# method: which method to try: ssh or curl
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# IP: IP address of the stick
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# user: admin username
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# password: user's password
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# operation: Needed only when "ssh" method is being used. Valid options are "wipe" or "reboot".
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# Default is "wipe".
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CONFIG_PARTITION=/dev/mtd3
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if [[ -n $3 ]]; then
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USER=$3
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else
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echo "No username is specified"
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exit 1
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fi
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if [[ -n $4 ]]; then
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PASSWORD=$4
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else
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echo "No password is specified"
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exit 1
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fi
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if [[ -n $2 ]]; then
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IP=$2
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else
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echo "No IP is specified"
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exit 1
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fi
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if [[ "$1" == "ssh" ]] || [[ "$1" == "curl" ]]; then
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METHOD=$1
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if [ "${METHOD}" == "ssh" ]; then
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# Which operation we would like to perform?
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if [[ -n "$5" ]]; then
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if [[ "$5" == "wipe" || "$5" == "reboot" ]]; then
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OPERATION=$5
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else
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echo "Invalid operation. Supported operations are: wipe, reboot. You put: \"${OPERATION}\""
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exit 1
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fi
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else
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# If nothing is specified - just wipe
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echo "No operation is specified for SSH. Considering it's \"wipe\""
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OPERATION="wipe"
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fi
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fi
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else
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echo "No method is specified or it's not valid. Supported methods are: curl, ssh. You put: \"${1}\""
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exit 1
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fi
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echo "Using IP: ${IP}"
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echo "Using user: ${USER}"
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echo "Using password: ${PASSWORD}"
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echo "Using method: ${METHOD}"
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if [ "${METHOD}" == "ssh" ]; then
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echo "Operation is: ${OPERATION}"
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fi
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while true ; do
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case ${METHOD} in
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ssh)
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# Connect by SSH and try to wipe the partition
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echo "Trying SSH conenction to ${IP}. Doing ${OPERATION}"
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case ${OPERATION} in
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wipe)
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COMMAND="flash_eraseall ${CONFIG_PARTITION}"
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;;
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reboot)
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COMMAND="reboot"
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;;
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*)
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echo "Invalid operation. Supported operations are: wipe, reboot. You put: \"${OPERATION}\""
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exit 1
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;;
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esac
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sshpass -p ${PASSWORD} \
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ssh \
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-oStrictHostKeyChecking=no \
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-oUserKnownHostsFile=/dev/null \
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-oKexAlgorithms=+diffie-hellman-group1-sha1 \
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-oHostKeyAlgorithms=+ssh-rsa \
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-oCiphers=+3des-cbc \
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-oConnectTimeout=1 \
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-oConnectionAttempts=1 \
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${USER}@${IP} -- \
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${COMMAND}
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STATUS=$?
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;;
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curl)
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# Log In
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curl -v -X POST http://${IP}/boaform/admin/formLogin \
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--data-raw "challenge=&username=${USER}&password=${PASSWORD}&save=Login&submit-url=%2Fadmin%2Flogin.asp"
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LOGIN_STATUS=$?
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echo "Login status: ${LOGIN_STATUS}"
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if [[ ${LOGIN_STATUS} -eq 0 ]]; then
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# Reset
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echo "Loggen In successfully. Trying to reset the device"
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curl -v --http0.9 -X POST http://${IP}/boaform/formSaveConfig --data-raw "reset=Reset&submit-url=%2Fsaveconf.asp"
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STATUS=$?
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fi
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;;
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*)
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echo "Unknown method"
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exit 1
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;;
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esac
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if [[ ${STATUS} -eq 0 ]]; then
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echo "Wipe of ${CONFIG_PARTITION} is done."
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break
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else
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echo "Exit status of previous operation is ${STATUS}. Retrying..."
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echo
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sleep 1
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fi
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done
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