From 585568aa8b851d153fbec0a46769b8f12e1df7f4 Mon Sep 17 00:00:00 2001
From: "U-Z690-A\\user" <jrayhawk@omgwallhack.org>
Date: Wed, 29 Jun 2022 20:26:01 -0700
Subject: extendedKeyUsage: decommission ekusub.sh and use environment
 variables instead

ekusub.sh has additionally been generalized into inimodify.sh in case I ever need it in the future for anything else.
---
 inimodify.sh | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100755 inimodify.sh

(limited to 'inimodify.sh')

diff --git a/inimodify.sh b/inimodify.sh
new file mode 100755
index 0000000..939e47a
--- /dev/null
+++ b/inimodify.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+# Dynamically modifies openssl config file
+# ./inimodify.sh [header] [variable] [value] < openssl.cnf
+# ./inimodify.sh "usr_cert" "extendedKeyUsage" "clientAuth, serverAuth" < openssl.cnf
+#requires bash 4.0 regexes
+
+set -x
+set -e
+[ -n "$1" ] && HEADER="$1"   || exit 2
+[ -n "$2" ] && VARIABLE="$2" || exit 3
+[ -n "$3" ] && VALUE="$3"    || exit 4
+
+IFS=$'\n'
+HEADER_STANZA=0
+VARIABLE_MODIFIED=0
+while read line; do
+  if [[ "$line" =~ ^\ *\[\ *"$HEADER"\ *\] ]]; then
+    HEADER_STANZA=1
+    echo "$line"
+  elif [ "$HEADER_STANZA" == 1 ] && [[ "$line" =~ ^\ *"$VARIABLE"\ *= ]]; then
+    echo -n "$line"
+    echo ", $VALUE"
+    VARIABLE_MODIFIED=1
+  elif [ "$HEADER_STANZA" == 1 ] && [[ "$line" =~ ^\ *\[\ .+\ \] ]]; then
+    if [ "$VARIABLE_MODIFIED" == 0 ]; then
+      echo "$VARIABLE = $VALUE"
+      echo
+      VARIABLE_MODIFIED=1
+    fi
+    HEADER_STANZA=0
+    echo "$line"
+  else
+    echo "$line"
+  fi
+
+done
-- 
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