From 5ed90197acc28a11c20c9e901201c49f3272d77d Mon Sep 17 00:00:00 2001
From: Scott Worley <scottworley@scottworley.com>
Date: Sat, 21 Oct 2017 21:25:09 -0700
Subject: [PATCH] Fold reverse into overonion

overonion now does what "double-overonion" used to do.
Full keys are now one self-contained file.
---
 double-overonion   | 23 -----------------------
 overonion          |  4 +++-
 overonion-make-key | 23 +++++++++++++++++------
 3 files changed, 20 insertions(+), 30 deletions(-)
 delete mode 100755 double-overonion

diff --git a/double-overonion b/double-overonion
deleted file mode 100755
index afd4ebb..0000000
--- a/double-overonion
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/bash
-
-if (( $# != 3));then
-  echo "usage: double-overonion e|d keyfile1 keyfile2"
-  exit 1
-fi
-mode=$1
-if [[ "$mode" != e && "$mode" != d ]];then
-  echo "Use 'e' for encrypt or 'd' for decrypt"
-  exit 1
-fi
-keyfile1=$2
-keyfile2=$3
-
-function oo() {
-  "$(dirname "$0")/overonion" "$mode" "$@"
-}
-
-if [[ "$mode" == e ]];then
-  oo "$keyfile2" | reverse | oo "$keyfile1"
-else
-  oo "$keyfile1" | reverse | oo "$keyfile2"
-fi
diff --git a/overonion b/overonion
index 271938c..c77ea94 100755
--- a/overonion
+++ b/overonion
@@ -40,10 +40,12 @@ function go() {
   if (( layer == 0 || layer > num_layers ));then
     cat
   else
-    operation=$(sed -n "${layer}s/ .*//p" "$keyfile")
+    operation=$(sed -n "${layer}{;s/ .*//;p;}" "$keyfile")
     if [[ "$operation" == openssl-enc ]];then
       openssl enc $openssl_decrypt "-$(sed -rn "${layer}s/[^ ]+ ([^ ]+) .*/\\1/p" "$keyfile")" \
               -pass fd:37 37< <(sed -rn "${layer}s/^[^ ]+ [^ ]+ //p" "$keyfile")
+    elif [[ "$operation" == reverse ]];then
+      reverse
     else
       die "Unknown operation"
     fi |
diff --git a/overonion-make-key b/overonion-make-key
index ff09472..7d0ff1a 100755
--- a/overonion-make-key
+++ b/overonion-make-key
@@ -33,9 +33,20 @@ if [[ -e "$keyfile" ]];then
   exit 1
 fi
 
-i=0
-while read -r cipher;do
-  echo -n $'\r'"Generating key $((++i))/${#ciphers[*]}" >&2
-  cat >> "$keyfile" <<< "openssl-enc $cipher $(head -c 99 "$random_source" | base64 --wrap=0 )"
-done < <( IFS=$'\n'; shuf <<< "${ciphers[*]}"; )
-echo >&2
+keys_needed=$((${#ciphers[*]} * 2))
+keys_generated=0
+
+function generate_keys() {
+  while read -r cipher;do
+    echo -n $'\r'"Generating key $((++keys_generated))/$keys_needed" >&2
+    echo "openssl-enc $cipher $(head -c 99 "$random_source" | base64 --wrap=0 )"
+  done < <( IFS=$'\n'; shuf <<< "${ciphers[*]}"; )
+}
+
+{
+  generate_keys
+  echo "reverse"
+  generate_keys
+} > "$keyfile"
+
+echo 2>&1
-- 
2.44.1