From 1abda737941025df78ec2e1baa30ee696080b130 Mon Sep 17 00:00:00 2001
From: KatolaZ <katolaz@freaknet.org>
Date: Tue, 17 Jul 2018 07:39:16 +0100
Subject: [PATCH] code cleanup -- DEBUG messages isolated

---
 gosher | 49 +++++++++++++++++++++++++++----------------------
 1 file changed, 27 insertions(+), 22 deletions(-)

diff --git a/gosher b/gosher
index 673942c..4bdb759 100755
--- a/gosher
+++ b/gosher
@@ -26,6 +26,9 @@ NETCAT=netcat
 OPREFIX=/tmp/outf_
 IPREFIX=/tmp/inf_
 
+DEBUG=
+##DEBUG=yes
+
 
 ## function
 cleanup(){
@@ -43,17 +46,17 @@ if [ -z "${MYNAME#gosher}" ]; then
 	PORT=${1:-70}
 	GOPHERDIR=${2:-"./"}
 	
-	trap cleanup 0 HUP INT TRAP TERM QUIT	
+	trap cleanup 0 HUP INT TRAP TERM QUIT
 	
        	OUTF=${OPREFIX}$$
 	INF=${IPREFIX}$$
 	mkfifo -m 600 $OUTF $INF
-	while [ 1 -eq 1 ]; do 
-		./gosher_serve ${GOPHERDIR} <$INF >$OUTF & 
+	while [ 1 -eq 1 ]; do
+		./gosher_serve ${GOPHERDIR} <$INF >$OUTF &
 		${NETCAT} -vv -l -p ${PORT} >$INF <$OUTF
 		ret=$?
 	done
-	exit 0 
+	exit 0
 fi
 
 
@@ -67,17 +70,16 @@ fi
 ## function
 invalid_selector(){
 	sel="$1"
-	echo "iInvalid selector: \"$sel\""
+	echo "3Error: Invalid selector: \"$sel\""
 	echo "."
 	exit 1
 }
 
 ## function
 serve_selector(){
-	sel="$1"	
+	sel="$1"
 
 	cat "${sel}"
-	echo "."
 	exit 0
 }
 
@@ -90,7 +92,7 @@ serve_index(){
 '
         while read line; do
                 rline=$(echo $line | sed -r -e 's/\r//g')
-                case $rline in 
+                case $rline in
                         '['*)
                                 echo $rline | sed -r -e 's/\[//g;s/\]//g;s/\|/\t/g;s/\t//;s/$/\r/g'
                         ;;
@@ -101,6 +103,7 @@ serve_index(){
                                 echo $line
                 esac
         done < $IDX
+	printf ".\r\n"
 	exit 0
 }
 
@@ -112,31 +115,33 @@ read selector
 
 selector=$(echo $selector | sed -r 's:\r::g' )
 
-echo "iGOPHERDIR: ${GOPHERDIR}"
-echo "iselector: \"${selector}\""
+[ -n "$DEBUG" ] && {
+	echo "iGOPHERDIR: ${GOPHERDIR}"
+	echo "iselector: \"${selector}\""
+}
 
 case $selector in
 	/*|"")
 		RP1=$(realpath "${GOPHERDIR}"/"${selector}" || "")
-		RP2=$(realpath "${GOPHERDIR}")"${selector}"
-		echo "iRP1: ${RP1}"
-		echo "iRP2: ${RP2}"
-		#echo "."
+		RP2=$(realpath $(realpath "${GOPHERDIR}")"${selector}")
+		[ -n "$DEBUG" ] && {
+			echo "iRP1: ${RP1}"
+			echo "iRP2: ${RP2}"
+		}
 		
-		if [ "${RP1}" = "${RP2}" ]; then 
-			if [ -f "${RP1}" ]; then  
+		if [ "${RP1}" = "${RP2}" ]; then
+			if [ -f "${RP1}" ]; then
 				serve_selector "${RP1}"
-			elif [ -d "${RP1}" ]; then 
+			elif [ -d "${RP1}" ]; then
 				[ -f "${RP1}/gophermap" ] && serve_selector "${RP1}/gophermap"
 				[ -f "${RP1}/index.gph" ] && serve_index "${RP1}/index.gph"
-			else	
-				echo "3Err	Unable to find file ${selector}"
 			fi
-		fi	
-		invalid_selector "$selector"		
+		fi
+		invalid_selector "$selector"
 	;;
 	*)
-		[ -f "${GOPHERDIR}/gophermap" ] && cat "${GOPHERDIR}/gophermap" && echo "." && exit 0 
+		[ -f "${GOPHERDIR}/gophermap" ] && serve_selector "${GOPHERDIR}/gophermap"
+		[ -f "${GOPHERDIR}/index.gph" ] && serve_index "${GOPHERDIR}/index.gph"
 		invalid_selector "/"
 	;;
 esac