Awful p7zip hack for reading passwords from stdin. Compatible w/ 9.04 and 9.13.

p7zip-pwd-from-stdin.patch

--- p7zip_9.04.orig/CPP/7zip/UI/Console/Main.cpp	2009-06-27 16:18:14.000000000 +0200
+++ p7zip_9.04/CPP/7zip/UI/Console/Main.cpp	2011-01-10 01:25:36.000000000 +0100
@@ -48,6 +48,10 @@
 #include "myPrivate.h"
 #include "Windows/System.h"
 
+#include <iostream>
+
+#define MAX_PWD_SIZE_FROM_STDIN 1024
+
 using namespace NWindows;
 using namespace NFile;
 using namespace NCommandLineParser;
@@ -443,13 +447,23 @@
       #endif
       UString errorMessage;
       CDecompressStat stat;
-      HRESULT result = DecompressArchives(
-          codecs,
-          formatIndices,
-          options.ArchivePathsSorted,
-          options.ArchivePathsFullSorted,
-          options.WildcardCensor.Pairs.Front().Head,
-          eo, &openCallback, ecs, errorMessage, stat);
+
+      wchar_t pwd[MAX_PWD_SIZE_FROM_STDIN] = { 0 }; /* start with empty pwd */
+      do {
+        stdStream << "Test: " << pwd << endl;
+        options.Password = pwd;
+        ecs->Password = options.Password;
+        openCallback.Password = options.Password;
+
+        HRESULT result = DecompressArchives(
+            codecs,
+            formatIndices,
+            options.ArchivePathsSorted,
+            options.ArchivePathsFullSorted,
+            options.WildcardCensor.Pairs.Front().Head,
+            eo, &openCallback, ecs, errorMessage, stat);
+      } while (ecs->NumArchiveErrors == ecs->NumArchives &&
+               std::wcin.getline(pwd, MAX_PWD_SIZE_FROM_STDIN));
       if (!errorMessage.IsEmpty())
       {
         stdStream << endl << "Error: " << errorMessage;
@@ -458,6 +472,7 @@
       }
 
       stdStream << endl;
+      stdStream << "Password: " << options.Password << endl;
       if (ecs->NumArchives > 1)
         stdStream << "Archives: " << ecs->NumArchives << endl;
       if (ecs->NumArchiveErrors != 0 || ecs->NumFileErrors != 0)