connect-rdp.bash

#!/bin/bash

# this script should (when completly written)
#	- list hosts
#	- provide some information about hosts
#	- connect to hosts
#	- get credentials from config file
#	- get information about hosts from a provided textfile

# config file has to have 3 lines, lines beginning with '#' are ignored.
# missing information will be asked if not found in file
#	- domain=your_domain
#	- user=your_user
#	- pw=your_pw


RESOLUTION='1865x1150'				# this is up to you
CLIPBOARD_SYNC=true					#default: true
MENU_ANIMATION=false				#default: false
CHECK_CERT=false					#default: false
#just taking the freerdp direcotry, could be changed to a proper one
CONFIG_DIR=~/.freerdp/				#default: ~/.freerdp/
# config file should be named like: "rdp-${domain}.conf"
CONFIG_DIR_PATTERN="rdp-*.conf"		#default: "rdp-*.conf"
SEARCH_RDP_COMMAND=search_rdp

declare config domain hostname e_wrong_usage=1
declare -a options
declare -A lines credentials


scan () {
	which "$SEARCH_RDP_COMMAND" && "$SEARCH_RDP_COMMAND"
}


while getopts hs option
do
    case "$option" in
        h)
            usage
            exit 0
            ;;
		s)
			scan
			exit 0
			;;
		*)
			:
			;;
    esac
done


# if only one argument assuming it's the hostname
if (( $# == 1 )); then
	hostname=$1
elif (( $# == 2 )); then
	domain=$1
	hostname=$2
else
	read -p 'enter Hostname:' hostname
fi

usage () {
	printf '\nusage:\n'
	printf "$0"' $domain $hostname\n\n'
	printf '$domain stand for a part of the config file name.\n'
	printf 'Config file name pattern:\t%s\n' "$CONFIG_DIR_PATTERN"
	printf 'Config file directory:\t\t%s\n\n' "$CONFIG_DIR"
}


# source the global variables from the given domain
# only lines which don't beginn with '#' and aren't empty
config=$(
	file="${CONFIG_DIR%/}/${CONFIG_DIR_PATTERN/\*/$domain}"
	[[ -f $file ]] && grep -v -e '^[[:space:]]#' -e '^[[:space:]]*$' "$file"
)
for key in domain user pw
do
	# passwords or usernames with spaces are not allowed, but should not be a problem
	lines[$key]=$(grep -o $key='[^[:space:]]*' <<< "$config")
	credentials[$key]=${lines[$key]#$key=}
	printf "%s:\t%s\n" $key "${credentials[$key]}"
done
printf "$hostname\n"

# generating xfreerdp params
k="${credentials[domain]}"; [[ -n $k ]] && options+=("-d" "$k")
k="${credentials[user]}"; [[ -n $k ]] && options+=("-u" "$k")
k="${credentials[pw]}"; [[ -n $k ]] && options+=("-p" "$k")
k="$RESOLUTION"; [[ -n $k ]] && options+=("-g" "$k")
[[ $CLIPBOARD_SYNC = true ]] && options+=("--plugin" "cliprdr")
[[ $MENU_ANIMATION = false ]] && options+=("--disable-menu-animations")
[[ $CHECK_CERT = false ]] && options+=("--ignore-certificate")


# print what it will do first, just for testing feel free to remove
[[ -n $hostname ]] && echo xfreerdp "${options[@]}" "$hostname"
[[ -n $hostname ]] && xfreerdp "${options[@]}" "$hostname"