#!/bin/bash

function die () {
    echo "$1"
    exit 1
}

[ -z "$1" ] && die "Usage: $0 <ssh_config hostname>"

# Hostname provided by the user
HOST=$1

# Path to SSH config file
SSH_CONFIG="$HOME/.ssh/config"

# Extract the block of text between the matching host line and the next host line
HOST_BLOCK=$(awk -v host="$HOST" '
    $1 == "host" && $2 == host {flag=1; next}
    $1 == "host" && flag {exit}
    flag' $SSH_CONFIG)

# Extract the line containing the IP range and rmport value
IP_LINE=$(echo "$HOST_BLOCK" | grep '#!rmssh')

[ -z "$IP_LINE" ] && die "No matching rmssh entry found for host: $HOST"

# Extract the IP range and rmport value
RMSSH_CONFIG_LINE=$(echo "$IP_LINE" | awk -F ': ' '{print $2}')
IP=$(echo "$RMSSH_CONFIG_LINE" | cut -d ';' -f 1) || die "invalid config line"
PORT=$(echo "$RMSSH_CONFIG_LINE" | cut -d ';' -f 2) || die "invalid config line"
PASS_VAR=$(echo "$RMSSH_CONFIG_LINE" | cut -d ';' -f 3) || die "invalid config line"

# Run the very-special-command with the extracted IP and rmport
# pass=$(eval echo \$"$PASS_VAR")
pass=$(rsec "$PASS_VAR") || die "failed to get secret"
echo EXEC: sshpass -p $pass ssh -o ProxyCommand='nc --proxy-type socks5 --proxy 127.0.0.1:10809 %h %p' "root@$IP" start serial session -b 1 -i "$PORT"
sshpass -p $pass -- ssh -tt -o ProxyCommand='/usr/bin/nc -X 5 -x 127.0.0.1:10809 %h %p' "root@$IP" start serial session -b 1 -i "$PORT"

