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esp-idf-libssh

This repository contains a port of libssh to the Espressif IoT Development Framework. The libssh code itself lives unmodified in a git submodule, but it is augmented with additional esp-idf header files and component glue. Additionally, an embeddable ssh server (sshd) is included as an example esp-idf project.

Running the sample project

You need to edit the example project's main.c and add your WiFi SSID and password. You should also want to edit sshd_task.c and replace the default username and host key. Assuming esp-idf is installed, build and flash the project as usual:

$ cd examples/sshd
$ idf.py menuconfig
$ idf.py build
$ ipf.py -p /dev/ttyU0 flash
$ idf.py -p /dev/ttyU0 monitor
...
I (2000) wifi:connected with ..., aid = 1, channel 1, BW20, bssid = ...
I (2000) wifi:security: WPA2-PSK, phy: bgn, rssi: -46
I (2000) wifi:pm start, type: 1

I (2100) wifi:AP's beacon interval = 102400 us, DTIM period = 1
I (3710) tcpip_adapter: sta ip: 10.0.105.139, mask: 255.255.255.0, gw: 10.0.105.

Note the IP address in the log and open a ssh session to it. If you didn't change the credentials, the default account name is neo with password trinity.

$ ssh neo@10.0.105.139
neo@10.0.105.139's password: trinity

 _  _     _ _        __      __       _    _
| || |___| | |___    \ \    / /__ _ _| |__| |
| __ / -_) | / _ \_   \ \/\/ / _ \ '_| / _` |
|_||_\___|_|_\___( )   \_/\_/\___/_| |_\__,_|
                 |/
Welcome to minicli! Type ^D to exit and 'help' for help.
minicli> help
        banner
        help

minicli> ^DConnection to 10.0.105.139 closed.

The included "minicli.c" is a very simple command line interface that I copied from an old 8-bit microcontroller project of mine. But it is easy to extend with more commands and shows how to interface sessions with the ssh server.