From e9842c38cf9c55f682b2a411cea84ee59d69ec92 Mon Sep 17 00:00:00 2001
From: Ladislav Zezula <ladislav.zezula@avg.com>
Date: Tue, 23 Dec 2014 15:04:35 +0100
Subject: + Adding files into MPQs that have BlockTableSize > HashTableSize is
 not allowed + Compacting MPQs that have BlockTableSize > HashTableSize is
 allowed

---
 src/SBaseFileTable.cpp |  7 +++++--
 src/SFileAddFile.cpp   |  8 ++++++++
 test/StormTest.cpp     | 32 +++++++++++++++++++++++++++++++-
 3 files changed, 44 insertions(+), 3 deletions(-)

diff --git a/src/SBaseFileTable.cpp b/src/SBaseFileTable.cpp
index 2d6249f..68ad0d7 100644
--- a/src/SBaseFileTable.cpp
+++ b/src/SBaseFileTable.cpp
@@ -2629,7 +2629,6 @@ int RebuildFileTable(TMPQArchive * ha, DWORD dwNewHashTableSize, DWORD dwNewMaxF
 
     // The new hash table size must be greater or equal to the current hash table size
     assert(dwNewHashTableSize >= ha->pHeader->dwHashTableSize);
-    assert(dwNewMaxFileCount >= ha->dwFileTableSize);
 
     // The new hash table size must be a power of two
     assert((dwNewHashTableSize & (dwNewHashTableSize - 1)) == 0);
@@ -2676,7 +2675,11 @@ int RebuildFileTable(TMPQArchive * ha, DWORD dwNewHashTableSize, DWORD dwNewMaxF
                 if(ha->pHashTable != NULL)
                 {
                     pHash = AllocateHashEntry(ha, pFileEntry);
-                    assert(pHash != NULL);
+                    if(pHash == NULL)
+                    {
+                        nError = ERROR_DISK_FULL;
+                        break;
+                    }
                 }
 
                 // Move the file entry by one
diff --git a/src/SFileAddFile.cpp b/src/SFileAddFile.cpp
index 5997c1b..524fb50 100644
--- a/src/SFileAddFile.cpp
+++ b/src/SFileAddFile.cpp
@@ -725,6 +725,14 @@ bool WINAPI SFileCreateFile(
             nError = ERROR_INVALID_PARAMETER;
     }
 
+    // Check for MPQs that have invalid block table size
+    // Example: size of block table: 0x41, size of hash table: 0x40
+    if(nError == ERROR_SUCCESS)
+    {
+        if(ha->dwFileTableSize > ha->dwMaxFileCount)
+            nError = ERROR_DISK_FULL;
+    }
+
     // Initiate the add file operation
     if(nError == ERROR_SUCCESS)
         nError = SFileAddFile_Init(ha, szArchivedName, FileTime, dwFileSize, lcLocale, dwFlags, (TMPQFile **)phFile);
diff --git a/test/StormTest.cpp b/test/StormTest.cpp
index 30a377b..70d6db0 100644
--- a/test/StormTest.cpp
+++ b/test/StormTest.cpp
@@ -2968,6 +2968,32 @@ static int ForEachFile_OpenArchive(const char * szFullPath)
     return nError;
 }
 
+// Adding a file to MPQ that had no (listfile) and no (attributes).
+// We expect that neither of these will be present after the archive is closed
+static int TestAddFile_FullArchive(const char * szSourceMpq)
+{
+    TLogHelper Logger("FullMpqTest", szSourceMpq);
+    const char * szFileName = "AddedFile001.txt";
+    const char * szFileData = "0123456789ABCDEF";
+    HANDLE hMpq = NULL;
+    int nError = ERROR_SUCCESS;
+
+    // Copy the archive so we won't fuck up the original one
+    nError = OpenExistingArchiveWithCopy(&Logger, szSourceMpq, szSourceMpq, &hMpq);
+
+    // Add a file
+    if(nError == ERROR_SUCCESS)
+    {
+        // Now add a file
+        nError = AddFileToMpq(&Logger, hMpq, szFileName, szFileData, MPQ_FILE_IMPLODE, MPQ_COMPRESSION_PKWARE);
+        nError = (nError == ERROR_DISK_FULL) ? ERROR_SUCCESS : ERROR_FILE_CORRUPT;
+
+        SFileCloseArchive(hMpq);
+    }
+
+    return nError;
+}
+
 // Adding a file to MPQ that had no (listfile) and no (attributes).
 // We expect that neither of these will be present after the archive is closed
 static int TestAddFile_ListFileTest(const char * szSourceMpq, bool bShouldHaveListFile, bool bShouldHaveAttributes)
@@ -4101,7 +4127,7 @@ int main(int argc, char * argv[])
     // Open a patched archive
     if(nError == ERROR_SUCCESS)
         nError = TestOpenArchive_Patched(PatchList_SC2_32283_enGB, "LocalizedData\\GameHotkeys.txt", 6);
-*/
+
     // Open a patched archive
     if(nError == ERROR_SUCCESS)
         nError = TestOpenArchive_Patched(PatchList_HS_6898_enGB, "Hearthstone_Data\\Managed\\Assembly-Csharp.dll", 10);
@@ -4148,6 +4174,10 @@ int main(int argc, char * argv[])
 
 //  if(nError == ERROR_SUCCESS)
 //      nError = TestOpenArchive_CompactingTest("MPQ_2014_v1_CompactTest.w3x", "ListFile_Blizzard.txt");
+*/
+    // Test adding a file to MPQ that is already full
+    if(nError == ERROR_SUCCESS)
+        nError = TestAddFile_FullArchive("MPQ_2014_v1_out.w3x");
 
     // Test modifying file with no (listfile) and no (attributes)
     if(nError == ERROR_SUCCESS)
-- 
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