Dotfiles/shells/zsh/completion/_hashcat

#compdef hashcat
#
#
tokens=(${(z)LBUFFER})

if [[ "${LBUFFER[-1]}" == " " ]]; then
	previousArg="${tokens[-1]}"
else
	previousArg="${tokens[-2]}"
fi


trim(){
	cat - | sed 's/^[[:space:]]*//' | sed 's/[[:space:]]*$//'
}

_args(){
	hashcat --help | sed -n '/Options/,/Hash modes/p' | tail -n +5 | head -n -2 | awk -F '|' '{sub(/[ \t]+$/, "", $1); sub(/[ \t]+$/, "", $3); print $1  ":" $3 ":" $2}' | awk -F ':' '{ if ($1 ~ ",") { first=$1; second=$1; sub(/,.*/,"",first); sub(/.*,/,"",second); print first ":" $2 ":" $3 "\n" second ":" $2 ":" $3 } else {print $0} }' | trim
}

_hashes(){
		hashcat --example-hashes | grep -E '(mode|Name|^$)' | awk -F ': ' '{print $NF}' | sed 's/Hash mode #//' | awk -v RS="\n\n" -F="\t" '{gsub("\n",":",$0);print $0}'
}

_basic_section(){
	hashcat --help | sed -n '/'"$1"'/,/- \[/p' | tail -n +5 | head -n -2 | awk -F '|' '{gsub(/ /, "", $1); print $1 ":" $2}'
}
_modes(){
	hashcat --help | sed -n '/Attack Modes/,/- \[/p' | tail -n +5 | head -n -2 | awk -F '|' '{gsub(/ /, "", $1); print $1 ":" $2}'
}

_brain_client_features(){
	hashcat --help | sed -n '/Attack Modes/,/- \[/p' | tail -n +5 | head -n -2 | awk -F '|' '{gsub(/ /, "", $1); print $1 ":" $2}'
}

best_guess(){
	# This get all possible arguments in the form argument:description:type
	allArgs="$(_args)"
	curr="$(echo "$allArgs" | grep -E "^$previousArg:")"
	if [ -z  "$(echo "$curr" | cut -d':' -f3)" ]; then
		# If the type is empty, there should be no positional options
		# Complete full list of arguments
		args=("${(f)$(echo "$allArgs" | cut -d':' -f1-2)}")
		_describe "Help" args
	else
		case "$(echo "$curr" | cut -d':' -f3)" in
			# If it takes a file, prompt to choose a file
			File) _files ;;
			# Otherwise, just show a message containing the description
			*) _message -r "$(echo "$curr" | cut -d':' -f2)" ;;
		esac
	fi
}

case "$previousArg" in
	-m|--hash-type)
		hashes=("${(f)$(_hashes)}")
		_describe "Hashes" hashes ;;
	-a|--attack-mode)
		ops=("${(f)$(_basic_section "Attack Modes")}")
		_describe "Modes" ops ;;
	--brain-client-features)
		ops=("${(f)$(_basic_section "Brain Client Features")}")
		_describe "Modes" ops ;;
	--outfile-format)
		ops=("${(f)$(_basic_section "Outfile Formats")}")
		_describe "Modes" ops ;;
	--debug-mode)
		ops=("${(f)$(_basic_section "Rule Debugging Modes")}")
		_describe "Modes" ops ;;
	#--)
	#	ops=("${(f)$(_basic_section "Built-in Charsets")}")
	#	_describe "Modes" ops ;;
	-D|--opencl-device-types)
		ops=("${(f)$(_basic_section "OpenCL Device Types")}")
		_describe "Modes" ops ;;
	-w|--workload-profile)
		ops=("${(f)$(_basic_section "Workload Profiles")}")
		_describe "Modes" ops ;;

	*) best_guess ;;
esac