Fix windows/wine version information bugs related to processes without a PE header.

library/DFProcess-windows.cpp

@@ -155,17 +155,23 @@ NormalProcess::NormalProcess(uint32_t pid, VersionInfoFactory * factory)
         my_handle = 0;
         return;
     }
-
+    //cout << "PE Timestamp: " << hex << pe_header.FileHeader.TimeDateStamp << dec << endl;
     VersionInfo* vinfo = factory->getVersionInfoByPETimestamp(pe_header.FileHeader.TimeDateStamp);
     if(vinfo)
     {
+        /*
+        cout << "Using version " << vinfo->getName() << ". Offsets follow:" << endl;
+        cout << "--------------------------------------------------------------" << endl;
+        cout << vinfo->PrintOffsets();
+        cout << "--------------------------------------------------------------" << endl;
+        */
         // only enumerate threads if this is a valid DF process. the enumeration is costly.
         vector<uint32_t> threads_ids;
         if(!getThreadIDs( threads_ids ))
         {
             // thread enumeration failed.
-            my_handle = 0;
             CloseHandle(my_handle);
+            my_handle = 0;
             return;
         }
         identified = true;
@@ -174,8 +180,20 @@ NormalProcess::NormalProcess(uint32_t pid, VersionInfoFactory * factory)
         my_descriptor->RebaseAll(base);
         // keep track of created memory_info object so we can destroy it later
         my_descriptor->setParentProcess(this);
-        vector_start = my_descriptor->getGroup("vector")->getOffset("start");
+        try
-
+        {
+            vector_start = my_descriptor->getGroup("vector")->getOffset("start");
+            stl.init(this);
+        }
+        catch (DFHack::Error::UnsetMemoryDefinition & e)
+        {
+            //cout << "WHAT THE FUCK WINE?" << endl;
+            //cout << "PID:" << pid << endl;
+            CloseHandle(my_handle);
+            my_handle = 0;
+            identified = false;
+            return;
+        }
         for(int i = 0; i < threads_ids.size();i++)
         {
             HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, FALSE, (DWORD) threads_ids[i]);
@@ -184,13 +202,14 @@ NormalProcess::NormalProcess(uint32_t pid, VersionInfoFactory * factory)
             else
                 cerr << "Unable to open thread :" << hex << (DWORD) threads_ids[i] << endl;
         }
-        stl.init(this);
     }
     else
     {
         // close handles of processes that aren't DF
-        my_handle = 0;
+        //cout << "ABOUT TO FREE HANDLE" << endl;
         CloseHandle(my_handle);
+        //cout << "FREE'D HANDLE" << endl;
+        my_handle = 0;
     }
 }
 

library/DFProcessEnumerator.cpp

@@ -119,18 +119,25 @@ Process * BadProcesses::operator[](uint32_t index)
 //FIXME: wasteful
 Process *ProcessEnumerator::Private::GetProcessObject(ProcessID ID)
 {
-
+/*
     Process *p1 = createSHMProcess(ID.pid, meminfo);
     if(p1->isIdentified())
         return p1;
     else
         delete p1;
-
+*/
     Process *p2 = createNormalProcess(ID.pid, meminfo);
     if(p2->isIdentified())
+    {
+        //cout << "IS OK" << endl;
         return p2;
+    }
     else
+    {
+        //cout << "ABOUT TO DELETE" << endl;
         delete p2;
+        //cout << "AFTER DELETE" << endl;
+    }
 #ifdef LINUX_BUILD
     Process *p3 = createWineProcess(ID.pid, meminfo);
     if(p3->isIdentified())

library/VersionInfo.cpp

@@ -602,7 +602,9 @@ namespace DFHack
         string version;
         OSType OS;
         std::string md5;
+        bool has_md5;
         uint32_t PE_timestamp;
+        bool has_timestamp;
     };
 }
 
@@ -616,8 +618,8 @@ VersionInfo::VersionInfo()
     d->classindex = 0;
     d->levels.reserve(NUM_RESERVE_LVLS);
     d->moods.reserve(NUM_RESERVE_MOODS);
-    d->md5 = "invalid";
+    d->has_md5 = false;
-    d->PE_timestamp = 0;
+    d->has_timestamp = false;
     OffsetGroup();
 }
 
@@ -648,7 +650,9 @@ void VersionInfo::copy(const VersionInfo * old)
     d->version = old->d->version;
     d->OS = old->d->OS;
     d->md5 = old->d->md5;
+    d->has_md5 = old->d->has_md5;
     d->PE_timestamp = old->d->PE_timestamp;
+    d->has_timestamp = old->d->has_timestamp;
     d->base = old->d->base;
     //d->classes = old.d->classes;
     for(uint32_t i = 0; i < old->d->classes.size(); i++)
@@ -709,21 +713,27 @@ string VersionInfo::getVersion()
 void VersionInfo::setMD5(const string &v)
 {
     d->md5 = v;
+    d->has_md5 = true;
 }
 
-string VersionInfo::getMD5()
+bool VersionInfo::getMD5( string & output )
 {
-    return d->md5;
+    if(!d->has_md5) return false;
+    output = d->md5;
+    return true;
 }
 
 void VersionInfo::setPE(uint32_t v)
 {
     d->PE_timestamp = v;
+    d->has_timestamp = true;
 }
 
-uint32_t VersionInfo::getPE()
+bool VersionInfo::getPE(uint32_t & output)
 {
-    return d->PE_timestamp;
+    if(!d->has_timestamp) return false;
+    output = d->PE_timestamp;
+    return true;
 }
 
 void VersionInfo::setOS(const char *os)
@@ -1186,17 +1196,19 @@ std::string VersionInfo::getMood(const uint32_t moodID)
 std::string VersionInfo::PrintOffsets()
 {
     ostringstream ss;
+    string md5;
+    uint32_t PE;
     indentr i;
     ss << i << "<Version name=\"" << getVersion() << "\">" << endl;
     i.indent();
     switch (getOS())
     {
-        case OS_LINUX:
-            ss << i << "<MD5 value=\"" << getMD5() << "\" />" << endl;
-            break;
         case OS_WINDOWS:
-            ss << i << "<PETimeStamp value=\"" << hex << "0x" << getPE() << "\" />" << endl;
+            if(getPE(PE))
-            ss << i << "<MD5 value=\"" << getMD5() << "\" />" << endl;
+                ss << i << "<PETimeStamp value=\"" << hex << "0x" << PE << "\" />" << endl;
+        case OS_LINUX:
+            if(getMD5(md5))
+                ss << i << "<MD5 value=\"" << md5 << "\" />" << endl;
             break;
         default:
             ss << i << " UNKNOWN" << endl;

library/VersionInfoFactory.cpp

@@ -112,26 +112,33 @@ VersionInfo * VersionInfoFactory::getVersionInfoByMD5(string hash)
     for(uint32_t i = 0; i < versions.size();i++)
     {
         vinfo = versions[i];
-        if(vinfo->getMD5() == hash)
+        string test_hash;
+        if(vinfo->getMD5(test_hash) && hash == test_hash)
         {
             return vinfo;
         }
     }
-    return NULL;
+    return 0;
 }
 
 VersionInfo * VersionInfoFactory::getVersionInfoByPETimestamp(uint32_t timestamp)
 {
     VersionInfo * vinfo;
+    //cout << "lookup size:" << versions.size() << endl;
     for(uint32_t i = 0; i < versions.size();i++)
     {
         vinfo = versions[i];
-        if(vinfo->getPE() == timestamp)
+        uint32_t test_PE;
+        //cout << "Testing version: " << hex << vinfo <<" No:" << dec << i << endl;
+        //cout << vinfo->getName() << endl;
+        if(vinfo->getPE(test_PE) && test_PE == timestamp)
         {
             return vinfo;
         }
+        //cout << "LOOP ENDS" << endl;
     }
-    return NULL;
+    //cout << "NOTHING!" << endl;
+    return 0;
 }
 
 
@@ -746,8 +753,6 @@ bool VersionInfoFactory::loadFile(string path_to_xml)
                 versions.push_back(version);
             }
         }
-
-        // process found things here
     }
     error = false;
     return true;

library/include/dfhack/VersionInfo.h

@@ -117,10 +117,10 @@ namespace DFHack
         void setBase (const uint32_t);
 
         void setMD5 (const std::string & _md5);
-        std::string getMD5();
+        bool getMD5(std::string & output);
 
         void setPE (uint32_t PE_);
-        uint32_t getPE();
+        bool getPE(uint32_t & output);
 
         std::string getMood(const uint32_t moodID);
         std::string getString (const std::string&);

library/modules/Maps.cpp

@@ -166,7 +166,7 @@ Maps::Maps(DFContextShared* _d)
     {
         off.world_data = OG_Maps->getAddress("world_data");
         d->usesWorldDataPtr = true;
-        cout << "uses world ptr" << endl;
+        //cout << "uses world ptr" << endl;
     }catch(Error::AllMemdef &){}
 
     {