From 512819a33f386b00a1f35d743ddc701b993883e7 Mon Sep 17 00:00:00 2001
From: Hubert Kario <kario@wit.edu.pl>
Date: Sat, 11 Oct 2014 13:42:48 +0200
Subject: [PATCH] no need to grep the input when we're using awk (v2)

awk has an inbuilt version of grep, also truncate processing as soon
as we find what we're looking for

This version uses slightly different syntax that is compatible with old
awk
---
 cipherscan | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/cipherscan b/cipherscan
index 7c02886..66dd47e 100755
--- a/cipherscan
+++ b/cipherscan
@@ -120,20 +120,21 @@ test_cipher_on_target() {
         tmp=$(awk 'BEGIN { pr="yes" } /^======================================/ { if ( pr=="yes" ) pr="no"; else pr="yes" } { if ( pr == "yes" ) print }' <<<"$tmp")
 
         # session metadata
-        current_cipher=$(grep "New, " <<<"$tmp"|awk '{print $5}')
-        current_pfs=$(grep 'Server Temp Key' <<<"$tmp"|awk '{print $4$5$6$7}')
-        current_protocol=$(egrep "^\s+Protocol\s+:" <<<"$tmp"|awk '{print $3}')
-        current_tickethint=$(grep 'ticket lifetime hint' <<<"$tmp"|awk '{print $6 }')
+        current_cipher=$(awk '/New, / {print $5; exit}' <<<"$tmp")
+        current_pfs=$(awk '/Server Temp Key/ {print $4$5$6$7; exit}' <<<"$tmp")
+        current_protocol=$(awk '/^ +Protocol +:/ {print $3; exit}' <<<"$tmp")
+        current_tickethint=$(awk '/ticket lifetime hint/ {print $6; exit}' <<<"$tmp")
         if [ -z $current_tickethint ]; then
             current_tickethint=None
         fi
 
         # certificate metadata
-        current_pubkey=$(grep 'Server public key is ' <<<"$tmp"|awk '{print $5}')
+        current_pubkey=$(awk '/Server public key is / {print $5;exit}' <<<"$tmp")
         if [ -z $current_pubkey ]; then
             current_pubkey=0
         fi
-        current_sigalg=$(${OPENSSLBIN} x509 -noout -text 2>/dev/null <<<"$tmp"|grep Signature\ Algorithm | head -n 1 | awk '{print $3}') || current_sigalg="None"
+        current_sigalg=$(${OPENSSLBIN} x509 -noout -text 2>/dev/null <<<"$tmp"|\
+            awk '/Signature Algorithm/ {print $3; exit}') || current_sigalg="None"
         grep 'Verify return code: 0 ' <<<"$tmp" >/dev/null
         if [ $? -eq 0 ]; then
             current_trusted="True"