98 lines
3.8 KiB
Markdown
98 lines
3.8 KiB
Markdown
# C-Data ONU tools
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Tools for managing settings of the C-Data FD511G-X xPON ONU (and possibly other models), which are not available from the web interface:
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enabling/disabling shell access, getting SSH/Telnet password.
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## Abstract
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The ONU web interface (usually available at http://192.168.101.1) allows you to download a configuration backup as a file. This is a regular XML file that is encrypted using XOR encryption with a key of `0x26`.
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The tools presented here are designed to load, read, and modify this configuration file.
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## Tools
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- `enable_shell_access.py` helps to enable/disable SSH/Telnet root shell access from LAN/WAN and change username & password.
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Usage:
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```
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$ python enable_shell_access.py --help
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usage: enable_shell_access.py [-h] [-a AUTHORIZATION] [-d] [-i {LAN,WAN}] [-p {SSH,Telnet}] [--change-username CHANGE_USERNAME] [--change-password CHANGE_PASSWORD] [host]
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Program to enable or disable Telnet or SSH access to the C-Data FD511G-X ONU
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positional arguments:
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host ONU host (IP address or domain). Default: 192.168.101.1.
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options:
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-h, --help show this help message and exit
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-a, --authorization AUTHORIZATION
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Web interface authorization credentials, separated by colon. Default: adminisp:adminisp.
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-d, --disable Disable access. If this argument is not passed, it enables access.
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-i, --interface {LAN,WAN}
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Interface for enabling access: LAN or WAN. Default: LAN.
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-p, --protocol {SSH,Telnet}
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Protocol for enabling access: SSH or Telnet. Default: SSH.
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--change-username CHANGE_USERNAME
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Set new username
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--change-password CHANGE_PASSWORD
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Set new password
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```
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Usage examples:
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- enable LAN SSH access:
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```
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$ python enable_shell_access.py 192.168.101.1
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Logging in to http://192.168.101.1 with adminisp:adminisp...
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Current SSH credentials:
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username: manu
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password: c8a9b413
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SSH access from LAN enabled
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Uploading new configuration to the ONU...
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Config successfully uploaded. Do you want to reboot ONU now? (Y/n) : Y
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ONU reboot error. The device is probably already rebooting.
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```
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- disable LAN Telnet access:
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```
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$ python enable_shell_access.py 192.168.101.1 -p Telnet -d
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Logging in to http://192.168.101.1 with adminisp:adminisp...
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Current Telnet credentials:
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username: manu
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password: c8a9b413
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Telnet access from LAN disabled
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Uploading new configuration to the ONU...
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Config successfully uploaded. Do you want to reboot ONU now? (Y/n) : Y
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Device is rebooting. Please wait.
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```
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- login with custom web interface credentials:
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```
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$ python enable_shell_access.py 192.168.101.1 -a adminisp:admin1234
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Logging in to http://192.168.101.1 with adminisp:admin1234...
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Current SSH credentials:
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username: manu
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password: c8a9b413
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SSH access from LAN enabled
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Uploading new configuration to the ONU...
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Config successfully uploaded. Do you want to reboot ONU now? (Y/n) : Y
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ONU reboot error. The device is probably already rebooting.
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```
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- `extract_credentials.py` extracts credentials from the binary config file, including SSH and Telnet username & password, and also saves decrypted version of the config file.
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Usage:
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```
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$ python extract_credentials.py ~/config.bin
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File decrypted and saved to "/home/user/config.xml"
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Web interface credentials:
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root-level account:
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username: adminisp
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password: adminisp
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user-level account:
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username: admin
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password: admin
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Shell credentials (Telnet and SSH):
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username: manu
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password: c8a9b413
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```
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