Adding upstream version 1.5.upstream/1.5

Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>

1 files changed, 11 insertions, 5 deletions

diff --git a/file_index.cc b/file_index.cc
index 7e265a1..0e48833 100644
--- a/file_index.cc
+++ b/file_index.cc
@@ -1,5 +1,5 @@
 /*  Plzip - Parallel compressor compatible with lzip
-    Copyright (C) 2009-2015 Antonio Diaz Diaz.
+    Copyright (C) 2009-2016 Antonio Diaz Diaz.
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -50,11 +50,11 @@ void File_index::set_num_error( const char * const msg1, unsigned long long num,
   char buf[80];
   snprintf( buf, sizeof buf, "%s%llu%s", msg1, num, msg2 );
   error_ = buf;
-  retval_ = member_vector.empty() ? 1 : 2;	// maybe trailing garbage
+  retval_ = member_vector.empty() ? 1 : 2;	// maybe trailing data
   }
 
 
-File_index::File_index( const int infd )
+File_index::File_index( const int infd, const bool ignore_garbage )
   : retval_( 0 )
   {
   const long long isize = lseek( infd, 0, SEEK_END );
@@ -88,7 +88,10 @@ File_index::File_index( const int infd )
     if( member_size < min_member_size || member_size > pos )
       {
       if( member_vector.empty() && isize - pos < max_garbage )
-        { --pos; continue; }			// maybe trailing garbage
+        {
+        if( ignore_garbage ) { --pos; continue; }	// maybe trailing data
+        error_ = "Trailing data not allowed."; retval_ = 2; return;
+        }
       set_num_error( "Member size in trailer is corrupt at pos ", pos - 8 );
       break;
       }
@@ -98,7 +101,10 @@ File_index::File_index( const int infd )
     if( !header.verify_magic() || !header.verify_version() )
       {
       if( member_vector.empty() && isize - pos < max_garbage )
-        { --pos; continue; }			// maybe trailing garbage
+        {
+        if( ignore_garbage ) { --pos; continue; }	// maybe trailing data
+        error_ = "Trailing data not allowed."; retval_ = 2; return;
+        }
       set_num_error( "Bad header at pos ", pos - member_size );
       break;
       }