Lua Netzwerk Connect

• vim openssh.lua

socket = require("socket")
tcp = assert(socket.tcp())
host = "127.0.0.1"
port = "22"

tcp:connect(host, port);
s, status, partial = tcp:receive()
print(s or partial)
status = tcp:send("SSH-2.0-OpenSSH_9.0\n");
print(status)
--s, status, partial = tcp:receive(1024)
--s, status, partial = tcp:receive('*a')
s, status, partial = tcp:receive(1036)
print(s or partial)

tcp:close()

• holt sich die Version des OpenSSH-Servers auf dem Host
• lua openssh.lua

SSH-2.0-OpenSSH_9.2
20.0
4l�q�:F�\@��o&|\        sntrup761x25519-sha512@openssh.com,curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha2569rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519lchacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.comlchacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com�umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1�umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1none,zlib@openssh.com