xssh

#!/usr/bin/env bash
#
# ############################################################################
# Project: scripts (none)
# File...: xssh
# Created: Thursday, 2025/01/23 - 18:02:34
# Author.: fbnmtz, (fabiano.matoz@gmail.com)
# ~·~·~·~·~·~·~·~·~·~·~·~·~~·~·~·~·~·~·~·~·~·~·~·~·~~·~·~·~·~·~~·~·~·~·~·~·~·~
# Last Modified: Tuesday, 2025/02/04 - 02:31:31
# Modified By..: @fbnmtz, (fabiano.matoz@gmail.com)
# ~·~·~·~·~·~·~·~·~·~·~·~·~~·~·~·~·~·~·~·~·~·~·~·~·~~·~·~·~·~·~~·~·~·~·~·~·~·~
# Version: 1.0.2.89
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# Description: 
#  >
# ############################################################################
# HISTORY:
#

source "$xSHELL_INIT"
use args colors

xrequirements ssh ssh-keyscan ssh-keygen cut

xarg --id -u,--user   --var user+r --desc "login with <user>"
xarg --id -H,--host   --var host+r --desc "<host> to connect "
xarg --id -k,--known               --desc "show ssh known hosts"
xarg --id -r,--remove --var host+r --desc "remove <host> form known_hosts"

xrun --xrequire-one --xversionrc --xcolors "$@"

# -k/--known option: show knwon hosts
[ "$xarg" == "k" ] && { less ~/.ssh/known_hosts; exit 0; } 
[ "$xarg" == "r" ] && { ssh-keygen -R "$host" -f ~/.ssh/known_hosts; exit 0; } 

# Extrai o usuário e o IP do parâmetro
USER_IP=$1

if [ -n "$user" ] && [ -n "$host" ]; then
    ssh_cmd="ssh $user@$host"
    IP=$host
else
    IP=$(echo "$USER_IP" | cut -d'@' -f2)
    ssh_cmd="ssh $USER_IP"
fi

# Verifica se o host está online e adiciona o IP ao known_hosts
if ssh-keyscan -H "$IP" >> ~/.ssh/known_hosts; then
    # Conecta via SSH
    $ssh_cmd

    # Remove o IP do known_hosts após encerrar a conexão SSH
    ssh-keygen -R "$IP"
else
    echo -e "${BGRED} Error! Host $IP unreachable. ${RESET}" >&2
    exit 2
fi