| 1 | /* $Id: windllbase.cpp,v 1.12 2000-03-18 19:49:44 sandervl Exp $ */ | 
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| 2 |  | 
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| 3 | /* | 
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| 4 | * Win32 Dll base class | 
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| 5 | * | 
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| 6 | * Copyright 1998-1999 Sander van Leeuwen (sandervl@xs4all.nl) | 
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| 7 | * | 
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| 8 | * Unloading of a dll always happens in order of dependency (taking nr of | 
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| 9 | * loads into account) | 
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| 10 | * Unloading of dynamically loaded dll (with LoadLibrary) in deleteAll | 
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| 11 | * is done in LIFO order (NT exhibits the same behaviour) | 
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| 12 | * | 
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| 13 | * RemoveCircularDependency: TODO: Send process detach message here?? | 
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| 14 | * | 
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| 15 | * Project Odin Software License can be found in LICENSE.TXT | 
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| 16 | * | 
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| 17 | */ | 
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| 18 | #define INCL_DOSFILEMGR          /* File Manager values      */ | 
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| 19 | #define INCL_DOSERRORS           /* DOS Error values         */ | 
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| 20 | #define INCL_DOSPROCESS          /* DOS Process values       */ | 
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| 21 | #define INCL_DOSMODULEMGR | 
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| 22 | #define INCL_DOSMISC             /* DOS Miscellanous values  */ | 
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| 23 | #define INCL_WIN | 
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| 24 | #include <os2wrap.h>    //Odin32 OS/2 api wrappers | 
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| 25 | #include <stdio.h> | 
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| 26 | #include <string.h> | 
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| 27 | #include <stdlib.h> | 
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| 28 | #include <iostream.h> | 
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| 29 | #include <fstream.h> | 
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| 30 | #include <misc.h> | 
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| 31 | #include <win32api.h> | 
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| 32 | #include <pefile.h> | 
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| 33 | #include <windllbase.h> | 
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| 34 | #include <wprocess.h> | 
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| 35 | #include "exceptions.h" | 
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| 36 | #include "exceptutil.h" | 
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| 37 | #include "cio.h" | 
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| 38 | #include "vmutex.h" | 
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| 39 | #include "oslibmisc.h" | 
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| 40 | #include "oslibdos.h" | 
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| 41 | #include "profile.h" | 
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| 42 |  | 
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| 43 | #define DBG_LOCALLOG    DBG_windllbase | 
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| 44 | #include "dbglocal.h" | 
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| 45 |  | 
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| 46 | VMutex dlllistmutex;   //protects linked lists of heaps | 
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| 47 |  | 
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| 48 | //****************************************************************************** | 
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| 49 | //****************************************************************************** | 
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| 50 | Win32DllBase::Win32DllBase(HINSTANCE hinstance, WIN32DLLENTRY DllEntryPoint, | 
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| 51 | Win32ImageBase *parent) | 
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| 52 | : Win32ImageBase(hinstance), | 
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| 53 | referenced(0), fSkipEntryCalls(FALSE), next(NULL), fInserted(FALSE), | 
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| 54 | fAttachedToProcess(FALSE), fUnloaded(FALSE), | 
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| 55 | nrDynamicLibRef(0), fLoadLibrary(FALSE), fDisableUnload(FALSE) | 
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| 56 | { | 
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| 57 | dllEntryPoint = DllEntryPoint; | 
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| 58 |  | 
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| 59 | setUnloadOrder(parent); | 
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| 60 |  | 
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| 61 | dprintf(("Win32DllBase::Win32DllBase %x %s", hinstance, szModule)); | 
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| 62 | } | 
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| 63 | //****************************************************************************** | 
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| 64 | //****************************************************************************** | 
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| 65 | Win32DllBase::~Win32DllBase() | 
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| 66 | { | 
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| 67 | dprintf(("Win32DllBase::~Win32DllBase %s", szModule)); | 
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| 68 |  | 
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| 69 | if(errorState == NO_ERROR && !fUnloaded) | 
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| 70 | { | 
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| 71 | detachProcess(); | 
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| 72 | } | 
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| 73 |  | 
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| 74 | dlllistmutex.enter(); | 
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| 75 | if(head == this) { | 
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| 76 | head = next; | 
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| 77 | } | 
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| 78 | else { | 
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| 79 | Win32DllBase *dll = head; | 
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| 80 | while(dll && dll->next != this) { | 
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| 81 | dll = dll->next; | 
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| 82 | } | 
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| 83 | if(dll == NULL) { | 
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| 84 | dprintf(("~Win32DllBase: Can't find dll!\n")); | 
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| 85 | dlllistmutex.leave(); | 
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| 86 | return; | 
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| 87 | } | 
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| 88 | dll->next = next; | 
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| 89 | } | 
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| 90 | dlllistmutex.leave(); | 
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| 91 | } | 
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| 92 | //****************************************************************************** | 
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| 93 | //****************************************************************************** | 
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| 94 | void Win32DllBase::loadLibrary() | 
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| 95 | { | 
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| 96 | //dummy | 
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| 97 | } | 
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| 98 | //****************************************************************************** | 
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| 99 | //****************************************************************************** | 
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| 100 | void Win32DllBase::incDynamicLib() | 
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| 101 | { | 
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| 102 | if(nrDynamicLibRef == 0) { | 
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| 103 | dlllistmutex.enter(); | 
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| 104 | loadLibDlls.Push((ULONG)this); | 
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| 105 | dlllistmutex.leave(); | 
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| 106 | } | 
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| 107 | nrDynamicLibRef++; | 
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| 108 | } | 
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| 109 | //****************************************************************************** | 
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| 110 | //****************************************************************************** | 
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| 111 | void Win32DllBase::decDynamicLib() | 
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| 112 | { | 
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| 113 | nrDynamicLibRef--; | 
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| 114 | if(nrDynamicLibRef == 0) { | 
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| 115 | dlllistmutex.enter(); | 
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| 116 | loadLibDlls.Remove((ULONG)this); | 
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| 117 | dlllistmutex.leave(); | 
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| 118 | } | 
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| 119 | } | 
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| 120 | //****************************************************************************** | 
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| 121 | //unload of dlls needs to be done in reverse order of dependencies | 
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| 122 | //Note: Only necessary for pe loader; the OS/2 loader takes care of this | 
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| 123 | //for win32k/pe2lx | 
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| 124 | //****************************************************************************** | 
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| 125 | void Win32DllBase::setUnloadOrder(Win32ImageBase *parent) | 
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| 126 | { | 
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| 127 | Win32DllBase *dll; | 
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| 128 | Win32DllBase *parentdll = NULL; | 
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| 129 |  | 
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| 130 | dlllistmutex.enter(); | 
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| 131 | if(parent) { | 
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| 132 | dll = head; | 
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| 133 | while(dll) { | 
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| 134 | if(dll->getInstanceHandle() == parent->getInstanceHandle()) { | 
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| 135 | parentdll = dll; | 
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| 136 | break; | 
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| 137 | } | 
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| 138 | dll = dll->next; | 
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| 139 | } | 
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| 140 | } | 
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| 141 |  | 
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| 142 | //first check if this dll is already at a lower position (further down the list) | 
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| 143 | //than the parent | 
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| 144 | if(parentdll && fInserted) {//already in the list? | 
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| 145 | dll = parentdll->next; | 
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| 146 | while(dll) { | 
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| 147 | if(dll->getInstanceHandle() == getInstanceHandle()) { | 
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| 148 | dlllistmutex.leave(); | 
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| 149 | return; //it's at a lower position, so no need to change anything | 
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| 150 | } | 
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| 151 | dll = dll->next; | 
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| 152 | } | 
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| 153 |  | 
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| 154 | //it's already in the list but not at the right position; remove it now | 
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| 155 | if(head == this) { | 
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| 156 | head = next; | 
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| 157 | } | 
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| 158 | else { | 
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| 159 | dll = head; | 
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| 160 | while(dll->next) { | 
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| 161 | if(dll->next == this) { | 
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| 162 | dll->next = next; | 
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| 163 | break; | 
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| 164 | } | 
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| 165 | dll = dll->next; | 
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| 166 | } | 
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| 167 | } | 
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| 168 | } | 
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| 169 | else | 
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| 170 | if(fInserted) {//already in the list? | 
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| 171 | dlllistmutex.leave(); | 
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| 172 | return; | 
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| 173 | } | 
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| 174 | //(re)insert it in the list after it's parent | 
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| 175 | if(parentdll) { | 
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| 176 | next = parentdll->next; | 
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| 177 | parentdll->next = this; | 
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| 178 | } | 
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| 179 | else {//no parent or exe, just add it at the start of the list | 
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| 180 | next = head; | 
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| 181 | head = this; | 
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| 182 | } | 
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| 183 | fInserted = TRUE; | 
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| 184 |  | 
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| 185 | //Now do the same thing for the child dependencies | 
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| 186 | QueueItem *item; | 
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| 187 |  | 
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| 188 | item = loadedDlls.Head(); | 
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| 189 | while(item) { | 
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| 190 | dll = (Win32DllBase *)loadedDlls.getItem(item); | 
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| 191 | //Check for circular dependencies (i.e. in Lotus Notes) | 
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| 192 | if(dll != parentdll) { | 
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| 193 | dll->setUnloadOrder(this); | 
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| 194 | } | 
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| 195 |  | 
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| 196 | item  = loadedDlls.getNext(item); | 
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| 197 | } | 
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| 198 |  | 
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| 199 | dlllistmutex.leave(); | 
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| 200 | } | 
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| 201 | //****************************************************************************** | 
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| 202 | //****************************************************************************** | 
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| 203 | #ifdef DEBUG | 
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| 204 | ULONG Win32DllBase::AddRef(char *parentname) | 
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| 205 | #else | 
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| 206 | ULONG Win32DllBase::AddRef() | 
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| 207 | #endif | 
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| 208 | { | 
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| 209 | Win32DllBase *dll; | 
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| 210 |  | 
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| 211 | dprintf(("Win32DllBase::AddRef %s->%s %d", parentname, getModuleName(), referenced+1)); | 
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| 212 | ++referenced; | 
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| 213 | #ifdef DEBUG | 
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| 214 | if(referenced == 1) { | 
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| 215 | #ifdef DEBUG_ENABLELOG_LEVEL2 | 
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| 216 | printListOfDlls(); | 
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| 217 | #endif | 
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| 218 | //printDependencies(NULL); | 
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| 219 | } | 
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| 220 | #endif | 
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| 221 |  | 
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| 222 | return referenced; | 
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| 223 | } | 
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| 224 | //****************************************************************************** | 
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| 225 | //****************************************************************************** | 
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| 226 | ULONG Win32DllBase::Release() | 
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| 227 | { | 
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| 228 | Queue         queue; | 
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| 229 | QueueItem    *item; | 
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| 230 | Win32DllBase *dll; | 
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| 231 | LONG          ret; | 
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| 232 |  | 
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| 233 | dprintf(("Win32DllBase::Release %s %d", getModuleName(), referenced-1)); | 
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| 234 |  | 
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| 235 | ret = --referenced; | 
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| 236 | if(ret <= 0) { | 
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| 237 | //make copy of linked list of dependencies | 
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| 238 | queue = loadedDlls; | 
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| 239 |  | 
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| 240 | //remove any circular dependencies on this dll that might be present | 
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| 241 | item = queue.Head(); | 
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| 242 | while(item) { | 
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| 243 | dll = (Win32DllBase *)queue.getItem(item); | 
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| 244 | if(dll == NULL) { | 
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| 245 | dprintf(("ERROR: Win32DllBase::Release: dll item == NULL!!")); | 
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| 246 | DebugInt3(); | 
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| 247 | return -1; | 
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| 248 | } | 
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| 249 | dll->RemoveCircularDependency(this); | 
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| 250 | item = queue.getNext(item); | 
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| 251 | } | 
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| 252 | #ifdef DEBUG | 
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| 253 | //printDependencies(NULL); | 
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| 254 | #endif | 
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| 255 | dprintf(("Win32DllBase::Release %s referenced == 0", getModuleName())); | 
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| 256 |  | 
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| 257 | //delete dll object | 
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| 258 | delete this; | 
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| 259 |  | 
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| 260 | //unreference all of it's dependencies | 
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| 261 | item = queue.Head(); | 
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| 262 | while(item) { | 
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| 263 | dll = (Win32DllBase *)queue.getItem(item); | 
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| 264 | if(dll == NULL) { | 
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| 265 | dprintf(("ERROR: Win32DllBase::Release: dll item == NULL!!")); | 
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| 266 | DebugInt3(); | 
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| 267 | return -1; | 
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| 268 | } | 
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| 269 | dll->Release(); | 
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| 270 | item = queue.getNext(item); | 
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| 271 | } | 
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| 272 | } | 
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| 273 | return(ret); | 
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| 274 | } | 
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| 275 | //****************************************************************************** | 
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| 276 | //Lotus Notes has several ugly circular dependencies in it's dlls. | 
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| 277 | //Remove them before they cause problems. | 
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| 278 | //****************************************************************************** | 
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| 279 | BOOL Win32DllBase::RemoveCircularDependency(Win32DllBase *parent) | 
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| 280 | { | 
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| 281 | QueueItem    *item, *tmp; | 
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| 282 | Win32DllBase *dll; | 
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| 283 | BOOL          ret = FALSE; | 
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| 284 |  | 
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| 285 | //remove any circular dependencies on this dll that might be present | 
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| 286 | item = loadedDlls.Head(); | 
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| 287 | while(item) { | 
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| 288 | dll = (Win32DllBase *)loadedDlls.getItem(item); | 
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| 289 | if(dll == NULL) { | 
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| 290 | dprintf(("ERROR: Win32DllBase::Release: dll item == NULL!!")); | 
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| 291 | DebugInt3(); | 
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| 292 | return FALSE; | 
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| 293 | } | 
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| 294 | tmp = loadedDlls.getNext(item); | 
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| 295 | if(dll == parent) { | 
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| 296 | dprintf(("Removing CIRCULAR dependency %s->%s", parent->getModuleName(), dll->getModuleName())); | 
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| 297 | loadedDlls.Remove(item); | 
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| 298 | ret = TRUE; | 
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| 299 | } | 
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| 300 | ////    else    ret |= dll->RemoveCircularDependency(parent); | 
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| 301 | item = tmp; | 
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| 302 | } | 
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| 303 | //TODO: Send process detach message here?? | 
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| 304 | return ret; | 
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| 305 | } | 
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| 306 | //****************************************************************************** | 
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| 307 | //There's a slight problem with our dependency procedure. | 
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| 308 | //example: gdi32 is loaded -> depends on kernel32 (which is already loaded) | 
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| 309 | //         kernel32's reference count isn't updated | 
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| 310 | //         (when we load gdi32, we don't know which dlls it depends on and which | 
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| 311 | //          of those are already loaded and which aren't) | 
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| 312 | //-> solution: Determine reference counts of dependant lx dlls and update those | 
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| 313 | //             reference counts | 
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| 314 | //****************************************************************************** | 
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| 315 | void Win32DllBase::updateDependencies() | 
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| 316 | { | 
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| 317 | QueueItem    *item; | 
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| 318 | Win32DllBase *dll, *depdll; | 
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| 319 | ULONG         refcount; | 
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| 320 |  | 
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| 321 | dlllistmutex.enter(); | 
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| 322 | item = loadedDlls.Head(); | 
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| 323 | while(item) { | 
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| 324 | depdll   = (Win32DllBase *)loadedDlls.getItem(item); | 
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| 325 | if(depdll == NULL) { | 
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| 326 | dprintf(("updateDependencies: depdll == NULL!!")); | 
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| 327 | DebugInt3(); | 
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| 328 | return; | 
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| 329 | } | 
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| 330 | refcount = 0; | 
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| 331 | dll      = head; | 
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| 332 |  | 
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| 333 | while(dll) { | 
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| 334 | if(dll->dependsOn(depdll)) { | 
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| 335 | refcount++; | 
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| 336 | } | 
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| 337 | dll = dll->getNext(); | 
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| 338 | } | 
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| 339 | if(refcount > depdll->referenced) { | 
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| 340 | dprintf(("Win32DllBase::updateDependencies changing refcount of %s to %d (old=%d)", depdll->getModuleName(), refcount, depdll->referenced)); | 
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| 341 | depdll->referenced = refcount; | 
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| 342 | } | 
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| 343 |  | 
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| 344 | item = loadedDlls.getNext(item); | 
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| 345 | } | 
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| 346 | dlllistmutex.leave(); | 
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| 347 | } | 
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| 348 | //****************************************************************************** | 
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| 349 | //****************************************************************************** | 
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| 350 | #ifdef DEBUG | 
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| 351 | void Win32DllBase::printDependencies(char *parent) | 
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| 352 | { | 
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| 353 | QueueItem    *item; | 
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| 354 | Win32DllBase *dll; | 
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| 355 | ULONG         ret; | 
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| 356 |  | 
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| 357 | dprintf(("Dependency list: %s->%s %d", parent, getModuleName(), referenced)); | 
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| 358 | item = loadedDlls.Head(); | 
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| 359 | while(item) { | 
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| 360 | dll = (Win32DllBase *)loadedDlls.getItem(item); | 
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| 361 | if(dll == NULL) { | 
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| 362 | return; | 
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| 363 | } | 
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| 364 | dll->printDependencies(getModuleName()); | 
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| 365 | item = loadedDlls.getNext(item); | 
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| 366 | } | 
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| 367 | } | 
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| 368 | //****************************************************************************** | 
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| 369 | //****************************************************************************** | 
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| 370 | #ifdef DEBUG_ENABLELOG_LEVEL2 | 
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| 371 | void Win32DllBase::printListOfDlls() | 
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| 372 | { | 
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| 373 | Win32DllBase *dll; | 
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| 374 |  | 
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| 375 | dll = head; | 
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| 376 |  | 
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| 377 | dprintf2(("Win32DllBase::Win32DllBase: List of loaded dlls:")); | 
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| 378 | while(dll) { | 
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| 379 | dprintf2(("DLL %s %d", dll->szModule, dll->referenced)); | 
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| 380 | dll = dll->next; | 
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| 381 | } | 
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| 382 | } | 
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| 383 | #endif | 
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| 384 | #endif | 
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| 385 | //****************************************************************************** | 
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| 386 | //****************************************************************************** | 
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| 387 | BOOL Win32DllBase::attachProcess() | 
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| 388 | { | 
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| 389 | WINEXCEPTION_FRAME exceptFrame; | 
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| 390 | USHORT sel; | 
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| 391 | THDB *thdb; | 
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| 392 | BOOL rc, fSetExceptionHandler; | 
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| 393 |  | 
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| 394 | if(fAttachedToProcess) | 
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| 395 | return TRUE; | 
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| 396 |  | 
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| 397 | fAttachedToProcess = TRUE; | 
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| 398 |  | 
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| 399 | thdb = GetThreadTHDB(); | 
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| 400 | fSetExceptionHandler = (!thdb || thdb->teb_sel != GetFS()); | 
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| 401 |  | 
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| 402 | //Note: The Win32 exception structure references by FS:[0] is the same | 
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| 403 | //      in OS/2 | 
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| 404 | if(fSetExceptionHandler) { | 
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| 405 | OS2SetExceptionHandler((void *)&exceptFrame); | 
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| 406 | sel = SetWin32TIB(); | 
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| 407 | } | 
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| 408 |  | 
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| 409 | //Allocate TLS index for this module | 
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| 410 | tlsAlloc(); | 
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| 411 | tlsAttachThread();    //setup TLS (main thread) | 
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| 412 |  | 
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| 413 | if(fSkipEntryCalls || dllEntryPoint == NULL) { | 
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| 414 | dprintf(("attachProcess not required for dll %s", szModule)); | 
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| 415 | if(fSetExceptionHandler) { | 
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| 416 | SetFS(sel); | 
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| 417 | OS2UnsetExceptionHandler((void *)&exceptFrame); | 
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| 418 | } | 
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| 419 | return(TRUE); | 
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| 420 | } | 
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| 421 |  | 
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| 422 | dprintf(("attachProcess to dll %s", szModule)); | 
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| 423 |  | 
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| 424 | rc = dllEntryPoint(hinstance, DLL_PROCESS_ATTACH, 0); | 
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| 425 |  | 
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| 426 | dprintf(("attachProcess to dll %s DONE", szModule)); | 
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| 427 |  | 
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| 428 | if(fSetExceptionHandler) { | 
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| 429 | SetFS(sel); | 
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| 430 | OS2UnsetExceptionHandler((void *)&exceptFrame); | 
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| 431 | } | 
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| 432 | else | 
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| 433 | if(thdb) { | 
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| 434 | if(thdb->teb_sel != GetFS()) { | 
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| 435 | dprintf(("Win32DllBase::attachProcess: FS was changed by dll entrypoint!!!!")); | 
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| 436 | DebugInt3(); | 
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| 437 | } | 
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| 438 | } | 
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| 439 | return rc; | 
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| 440 | } | 
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| 441 | //****************************************************************************** | 
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| 442 | //****************************************************************************** | 
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| 443 | BOOL Win32DllBase::detachProcess() | 
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| 444 | { | 
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| 445 | WINEXCEPTION_FRAME exceptFrame; | 
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| 446 | USHORT sel; | 
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| 447 | BOOL rc; | 
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| 448 |  | 
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| 449 | if(fSkipEntryCalls || dllEntryPoint == NULL) { | 
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| 450 | tlsDetachThread();      //destroy TLS (main thread) | 
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| 451 | fUnloaded = TRUE; | 
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| 452 | return(TRUE); | 
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| 453 | } | 
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| 454 |  | 
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| 455 | dprintf(("detachProcess from dll %s", szModule)); | 
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| 456 |  | 
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| 457 | //Note: The Win32 exception structure references by FS:[0] is the same | 
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| 458 | //      in OS/2 | 
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| 459 | OS2SetExceptionHandler((void *)&exceptFrame); | 
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| 460 |  | 
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| 461 | fUnloaded = TRUE; | 
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| 462 | sel = SetWin32TIB(); | 
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| 463 | rc = dllEntryPoint(hinstance, DLL_PROCESS_DETACH, 0); | 
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| 464 | SetFS(sel); | 
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| 465 | tlsDetachThread();    //destroy TLS (main thread) | 
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| 466 | tlsDelete(); | 
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| 467 |  | 
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| 468 | OS2UnsetExceptionHandler((void *)&exceptFrame); | 
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| 469 |  | 
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| 470 | return rc; | 
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| 471 | } | 
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| 472 | //****************************************************************************** | 
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| 473 | //****************************************************************************** | 
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| 474 | BOOL Win32DllBase::attachThread() | 
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| 475 | { | 
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| 476 | WINEXCEPTION_FRAME exceptFrame; | 
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| 477 | BOOL               rc; | 
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| 478 |  | 
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| 479 | if(fSkipEntryCalls || dllEntryPoint == NULL) | 
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| 480 | return(TRUE); | 
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| 481 |  | 
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| 482 | dprintf(("attachThread to dll %s", szModule)); | 
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| 483 |  | 
|---|
| 484 | rc = dllEntryPoint(hinstance, DLL_THREAD_ATTACH, 0); | 
|---|
| 485 |  | 
|---|
| 486 | dprintf(("attachThread to dll %s DONE", szModule)); | 
|---|
| 487 |  | 
|---|
| 488 | return rc; | 
|---|
| 489 | } | 
|---|
| 490 | //****************************************************************************** | 
|---|
| 491 | //****************************************************************************** | 
|---|
| 492 | BOOL Win32DllBase::detachThread() | 
|---|
| 493 | { | 
|---|
| 494 | WINEXCEPTION_FRAME exceptFrame; | 
|---|
| 495 | BOOL               rc; | 
|---|
| 496 |  | 
|---|
| 497 | if(fSkipEntryCalls || dllEntryPoint == NULL) | 
|---|
| 498 | return(TRUE); | 
|---|
| 499 |  | 
|---|
| 500 | dprintf(("detachThread from dll %s", szModule)); | 
|---|
| 501 |  | 
|---|
| 502 | rc =  dllEntryPoint(hinstance, DLL_THREAD_DETACH, 0); | 
|---|
| 503 | return rc; | 
|---|
| 504 | } | 
|---|
| 505 | //****************************************************************************** | 
|---|
| 506 | //Send DLL_THREAD_ATTACH message to all dlls for a new thread | 
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| 507 | //****************************************************************************** | 
|---|
| 508 | void Win32DllBase::attachThreadToAllDlls() | 
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| 509 | { | 
|---|
| 510 | dlllistmutex.enter(); | 
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| 511 | Win32DllBase *dll = Win32DllBase::head; | 
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| 512 | while(dll) { | 
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| 513 | dll->attachThread(); | 
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| 514 | dll = dll->getNext(); | 
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| 515 | } | 
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| 516 | dlllistmutex.leave(); | 
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| 517 | } | 
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| 518 | //****************************************************************************** | 
|---|
| 519 | //Send DLL_THREAD_DETACH message to all dlls for thread that's about to die | 
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| 520 | //****************************************************************************** | 
|---|
| 521 | void Win32DllBase::detachThreadFromAllDlls() | 
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| 522 | { | 
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| 523 | dlllistmutex.enter(); | 
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| 524 | Win32DllBase *dll = Win32DllBase::head; | 
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| 525 | while(dll) { | 
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| 526 | dll->detachThread(); | 
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| 527 | dll = dll->getNext(); | 
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| 528 | } | 
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| 529 | dlllistmutex.leave(); | 
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| 530 | } | 
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| 531 | //****************************************************************************** | 
|---|
| 532 | //Setup TLS structure for all dlls for a new thread | 
|---|
| 533 | //****************************************************************************** | 
|---|
| 534 | void Win32DllBase::tlsAttachThreadToAllDlls() | 
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| 535 | { | 
|---|
| 536 | dlllistmutex.enter(); | 
|---|
| 537 | Win32DllBase *dll = Win32DllBase::head; | 
|---|
| 538 | while(dll) { | 
|---|
| 539 | dll->tlsAttachThread(); | 
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| 540 | dll = dll->getNext(); | 
|---|
| 541 | } | 
|---|
| 542 | dlllistmutex.leave(); | 
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| 543 | } | 
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| 544 | //****************************************************************************** | 
|---|
| 545 | //Destroy TLS structure for all dlls for a thread that's about to die | 
|---|
| 546 | //****************************************************************************** | 
|---|
| 547 | void Win32DllBase::tlsDetachThreadFromAllDlls() | 
|---|
| 548 | { | 
|---|
| 549 | dlllistmutex.enter(); | 
|---|
| 550 | Win32DllBase *dll = Win32DllBase::head; | 
|---|
| 551 | while(dll) { | 
|---|
| 552 | dll->tlsDetachThread(); | 
|---|
| 553 | dll = dll->getNext(); | 
|---|
| 554 | } | 
|---|
| 555 | dlllistmutex.leave(); | 
|---|
| 556 | } | 
|---|
| 557 | //****************************************************************************** | 
|---|
| 558 | //****************************************************************************** | 
|---|
| 559 | void Win32DllBase::deleteAll() | 
|---|
| 560 | { | 
|---|
| 561 | Win32DllBase *dll = Win32DllBase::head; | 
|---|
| 562 |  | 
|---|
| 563 | dprintf(("Win32DllBase::deleteAll")); | 
|---|
| 564 |  | 
|---|
| 565 | #ifdef DEBUG_ENABLELOG_LEVEL2 | 
|---|
| 566 | if(dll) dll->printListOfDlls(); | 
|---|
| 567 | #endif | 
|---|
| 568 |  | 
|---|
| 569 | dlllistmutex.enter(); | 
|---|
| 570 | while(dll) { | 
|---|
| 571 | dll->Release(); | 
|---|
| 572 | dll = Win32DllBase::head; | 
|---|
| 573 | } | 
|---|
| 574 | dlllistmutex.leave(); | 
|---|
| 575 | dprintf(("Win32DllBase::deleteAll Done!")); | 
|---|
| 576 | } | 
|---|
| 577 | //****************************************************************************** | 
|---|
| 578 | //Delete dlls loaded by LoadLibrary(Ex) in LIFO order | 
|---|
| 579 | //****************************************************************************** | 
|---|
| 580 | void Win32DllBase::deleteDynamicLibs() | 
|---|
| 581 | { | 
|---|
| 582 | Win32DllBase *dll = head; | 
|---|
| 583 | QueueItem    *item; | 
|---|
| 584 |  | 
|---|
| 585 | dprintf(("Win32DllBase::deleteDynamicLibs")); | 
|---|
| 586 | #ifdef DEBUG_ENABLELOG_LEVEL2 | 
|---|
| 587 | if(dll) dll->printListOfDlls(); | 
|---|
| 588 | #endif | 
|---|
| 589 |  | 
|---|
| 590 | dlllistmutex.enter(); | 
|---|
| 591 |  | 
|---|
| 592 | item = loadLibDlls.Head(); | 
|---|
| 593 | while(item) { | 
|---|
| 594 | dll = (Win32DllBase *)loadLibDlls.getItem(item); | 
|---|
| 595 | int dynref = dll->nrDynamicLibRef; | 
|---|
| 596 | if(dynref) { | 
|---|
| 597 | while(dynref) { | 
|---|
| 598 | dynref--; | 
|---|
| 599 | dll->decDynamicLib(); | 
|---|
| 600 | dll->Release(); | 
|---|
| 601 | } | 
|---|
| 602 | } | 
|---|
| 603 | else    DebugInt3(); | 
|---|
| 604 | item = loadLibDlls.Head(); //queue could have been changed, so start from the beginning | 
|---|
| 605 | } | 
|---|
| 606 |  | 
|---|
| 607 | dlllistmutex.leave(); | 
|---|
| 608 | } | 
|---|
| 609 | //****************************************************************************** | 
|---|
| 610 | //****************************************************************************** | 
|---|
| 611 | Win32DllBase *Win32DllBase::getFirst() | 
|---|
| 612 | { | 
|---|
| 613 | return head; | 
|---|
| 614 | } | 
|---|
| 615 | //****************************************************************************** | 
|---|
| 616 | //Add renaming profile strings for ole32 & netapi32 to odin.ini if they aren't | 
|---|
| 617 | //already there | 
|---|
| 618 | //****************************************************************************** | 
|---|
| 619 | void Win32DllBase::setDefaultRenaming() | 
|---|
| 620 | { | 
|---|
| 621 | char renameddll[CCHMAXPATH]; | 
|---|
| 622 |  | 
|---|
| 623 | if(ODIN_PROFILE_GetOdinIniString(DLLRENAMEWIN_SECTION, "OLE32", "", renameddll, | 
|---|
| 624 | sizeof(renameddll)-1) <= 1) | 
|---|
| 625 | { | 
|---|
| 626 | ODIN_PROFILE_SetOdinIniString(DLLRENAMEWIN_SECTION, "OLE32", "OLE32OS2"); | 
|---|
| 627 | ODIN_PROFILE_SetOdinIniString(DLLRENAMEOS2_SECTION, "OLE32OS2", "OLE32"); | 
|---|
| 628 | } | 
|---|
| 629 | if(ODIN_PROFILE_GetOdinIniString(DLLRENAMEWIN_SECTION, "OLEAUT32", "", renameddll, | 
|---|
| 630 | sizeof(renameddll)-1) <= 1) | 
|---|
| 631 | { | 
|---|
| 632 | ODIN_PROFILE_SetOdinIniString(DLLRENAMEWIN_SECTION, "OLEAUT32", "OLAUTOS2"); | 
|---|
| 633 | ODIN_PROFILE_SetOdinIniString(DLLRENAMEOS2_SECTION, "OLAUTOS2", "OLEAUT32"); | 
|---|
| 634 | } | 
|---|
| 635 | if(ODIN_PROFILE_GetOdinIniString(DLLRENAMEWIN_SECTION, "NETAPI32", "", renameddll, | 
|---|
| 636 | sizeof(renameddll)-1) <= 1) | 
|---|
| 637 | { | 
|---|
| 638 | ODIN_PROFILE_SetOdinIniString(DLLRENAMEWIN_SECTION, "NETAPI32", "WNETAP32"); | 
|---|
| 639 | ODIN_PROFILE_SetOdinIniString(DLLRENAMEOS2_SECTION, "WNETAP32", "NETAPI32"); | 
|---|
| 640 | } | 
|---|
| 641 | } | 
|---|
| 642 | //****************************************************************************** | 
|---|
| 643 | //rename dll if necessary: | 
|---|
| 644 | // Win32 to OS/2 : (i.e. OLE32 -> OLE32OS2) | 
|---|
| 645 | // or | 
|---|
| 646 | // OS/2 to Win32 : (i.e. OLE32OS2 -> OLE32) | 
|---|
| 647 | //****************************************************************************** | 
|---|
| 648 | void Win32DllBase::renameDll(char *dllname, BOOL fWinToOS2) | 
|---|
| 649 | { | 
|---|
| 650 | char modname[CCHMAXPATH]; | 
|---|
| 651 | char renameddll[CCHMAXPATH]; | 
|---|
| 652 | char *namestart; | 
|---|
| 653 | char *sectionname; | 
|---|
| 654 |  | 
|---|
| 655 | if(fWinToOS2) { | 
|---|
| 656 | sectionname = DLLRENAMEWIN_SECTION; | 
|---|
| 657 | } | 
|---|
| 658 | else { | 
|---|
| 659 | sectionname = DLLRENAMEOS2_SECTION; | 
|---|
| 660 | } | 
|---|
| 661 | namestart = OSLibStripPath(dllname); | 
|---|
| 662 | strcpy(modname, namestart); | 
|---|
| 663 | char *dot = strrchr(modname, '.'); | 
|---|
| 664 | if(dot) | 
|---|
| 665 | *dot = 0; | 
|---|
| 666 | strupr(modname); | 
|---|
| 667 | if(ODIN_PROFILE_GetOdinIniString(sectionname, modname, "", renameddll, | 
|---|
| 668 | sizeof(renameddll)-1) > 1) | 
|---|
| 669 | { | 
|---|
| 670 | if(namestart == dllname) { | 
|---|
| 671 | strcpy(dllname, renameddll); | 
|---|
| 672 | } | 
|---|
| 673 | else { | 
|---|
| 674 | *namestart = 0; | 
|---|
| 675 | strcat(dllname, renameddll); | 
|---|
| 676 | } | 
|---|
| 677 | strcat(dllname, ".dll"); | 
|---|
| 678 | } | 
|---|
| 679 | return; | 
|---|
| 680 | } | 
|---|
| 681 | //****************************************************************************** | 
|---|
| 682 | //****************************************************************************** | 
|---|
| 683 | Win32DllBase *Win32DllBase::findModule(char *dllname, BOOL fRenameFirst) | 
|---|
| 684 | { | 
|---|
| 685 | Win32DllBase *dll; | 
|---|
| 686 | char szDllName[CCHMAXPATH]; | 
|---|
| 687 | char *dot, *temp; | 
|---|
| 688 |  | 
|---|
| 689 | ////  dprintf2(("findModule %s", dllname)); | 
|---|
| 690 |  | 
|---|
| 691 | strcpy(szDllName, OSLibStripPath(dllname)); | 
|---|
| 692 | strupr(szDllName); | 
|---|
| 693 |  | 
|---|
| 694 | if(fRenameFirst) { | 
|---|
| 695 | renameDll(szDllName, FALSE); | 
|---|
| 696 | } | 
|---|
| 697 |  | 
|---|
| 698 | dot = strstr(szDllName, "."); | 
|---|
| 699 | if(dot) | 
|---|
| 700 | *dot = 0; | 
|---|
| 701 |  | 
|---|
| 702 | dlllistmutex.enter(); | 
|---|
| 703 | dll = head; | 
|---|
| 704 | while(dll) { | 
|---|
| 705 | if(strcmpi(szDllName, dll->szModule) == 0) { | 
|---|
| 706 | dlllistmutex.leave(); | 
|---|
| 707 | return(dll); | 
|---|
| 708 | } | 
|---|
| 709 |  | 
|---|
| 710 | dll = dll->next; | 
|---|
| 711 | } | 
|---|
| 712 | dlllistmutex.leave(); | 
|---|
| 713 | return(NULL); | 
|---|
| 714 | } | 
|---|
| 715 | //****************************************************************************** | 
|---|
| 716 | //****************************************************************************** | 
|---|
| 717 | Win32DllBase *Win32DllBase::findModule(WIN32DLLENTRY DllEntryPoint) | 
|---|
| 718 | { | 
|---|
| 719 | dprintf2(("findModule %X", DllEntryPoint)); | 
|---|
| 720 |  | 
|---|
| 721 | dlllistmutex.enter(); | 
|---|
| 722 | Win32DllBase *mod = Win32DllBase::head; | 
|---|
| 723 | while(mod != NULL) { | 
|---|
| 724 | dbgCheckObj(mod); | 
|---|
| 725 | if(mod->dllEntryPoint == DllEntryPoint) { | 
|---|
| 726 | dlllistmutex.leave(); | 
|---|
| 727 | return(mod); | 
|---|
| 728 | } | 
|---|
| 729 | mod = mod->next; | 
|---|
| 730 | } | 
|---|
| 731 | dlllistmutex.leave(); | 
|---|
| 732 | return(NULL); | 
|---|
| 733 | } | 
|---|
| 734 | //****************************************************************************** | 
|---|
| 735 | //****************************************************************************** | 
|---|
| 736 | Win32DllBase *Win32DllBase::findModule(HINSTANCE hinstance) | 
|---|
| 737 | { | 
|---|
| 738 | dlllistmutex.enter(); | 
|---|
| 739 |  | 
|---|
| 740 | Win32DllBase *mod = Win32DllBase::head; | 
|---|
| 741 | while(mod != NULL) { | 
|---|
| 742 | dbgCheckObj(mod); | 
|---|
| 743 | if(mod->hinstance == hinstance) { | 
|---|
| 744 | dlllistmutex.leave(); | 
|---|
| 745 | return(mod); | 
|---|
| 746 | } | 
|---|
| 747 | mod = mod->next; | 
|---|
| 748 | } | 
|---|
| 749 | dlllistmutex.leave(); | 
|---|
| 750 | return(NULL); | 
|---|
| 751 | } | 
|---|
| 752 | //****************************************************************************** | 
|---|
| 753 | //****************************************************************************** | 
|---|
| 754 | BOOL Win32DllBase::isDll() | 
|---|
| 755 | { | 
|---|
| 756 | return TRUE; | 
|---|
| 757 | } | 
|---|
| 758 | //****************************************************************************** | 
|---|
| 759 | //****************************************************************************** | 
|---|
| 760 | void Win32DllBase::setThreadLibraryCalls(BOOL fEnable) | 
|---|
| 761 | { | 
|---|
| 762 | // if fEnable == true, do call the ATTACH_THREAD, DETACH_THREAD functions | 
|---|
| 763 | // if fEnable == false, do not call the ATTACH_THREAD, DETACH_THREAD functions | 
|---|
| 764 | fSkipEntryCalls = !fEnable; | 
|---|
| 765 | } | 
|---|
| 766 |  | 
|---|
| 767 | //****************************************************************************** | 
|---|
| 768 | //****************************************************************************** | 
|---|
| 769 | Win32DllBase *Win32DllBase::head = NULL; | 
|---|
| 770 | Queue         Win32DllBase::loadLibDlls; | 
|---|