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/*
MessagePopup - replacer of MessageBox'es
Copyright 2004 Denis Stanishevskiy
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 the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "stdafx.h"
CMPlugin g_plugin;
MSGBOXOPTIONS optionsDefault =
{
{0, 0xFFFFFF, 0, 0},
{0xBFFFFF, 0x0000FF, 0xB0B0FF, 0xECFF93},
{-1,-1,-1,-1},
TRUE
};
MSGBOXOPTIONS options;
/////////////////////////////////////////////////////////////////////////////////////////
PLUGININFOEX pluginInfoEx =
{
sizeof(PLUGININFOEX),
__PLUGIN_NAME,
PLUGIN_MAKE_VERSION(__MAJOR_VERSION, __MINOR_VERSION, __RELEASE_NUM, __BUILD_NUM),
__DESCRIPTION,
__AUTHOR,
__COPYRIGHT,
__AUTHORWEB,
UNICODE_AWARE,
// {CF25D645-4DAB-4B0A-B9F1-DE1E86231F9B}
{0xcf25d645, 0x4dab, 0x4b0a, {0xb9, 0xf1, 0xde, 0x1e, 0x86, 0x23, 0x1f, 0x9b}}
};
CMPlugin::CMPlugin() :
PLUGIN<CMPlugin>(MODULENAME, pluginInfoEx)
{}
/////////////////////////////////////////////////////////////////////////////////////////
typedef int (WINAPI *MSGBOXPROC)(HWND hWnd, LPCTSTR lpText, LPCTSTR lpCaption, UINT uType);
MSGBOXPROC prevMessageBox;
#define OIC_HAND 32513
#define OIC_QUES 32514
#define OIC_BANG 32515
#define OIC_NOTE 32516
void popupMessage(LPCTSTR lpText, LPCTSTR lpCaption, UINT uType)
{
POPUPDATAW ppd = { 0 };
int iIcon;
int indx;
switch (uType & 0xF0) {
case MB_ICONHAND:
indx = 1;
iIcon = OIC_HAND;
break;
case MB_ICONEXCLAMATION:
indx = 2;
iIcon = OIC_BANG;
break;
case MB_ICONQUESTION:
indx = 3;
iIcon = OIC_QUES;
break;
default:
indx = 0;
iIcon = OIC_NOTE;
break;
}
ppd.colorBack = options.BG[indx];
ppd.colorText = options.FG[indx];
ppd.iSeconds = options.Timeout[indx];
ppd.lchIcon = (HICON)LoadImage(nullptr, MAKEINTRESOURCE(iIcon), IMAGE_ICON, SM_CXSMICON, SM_CYSMICON, LR_SHARED);
mir_wstrcpy(ppd.lpwzContactName, lpCaption);
mir_wstrcpy(ppd.lpwzText, lpText);
PUAddPopupW(&ppd);
if (options.Sound)
MessageBeep(uType);
}
int WINAPI newMessageBox(HWND, LPCTSTR lpText, LPCTSTR lpCaption, UINT uType)
{
popupMessage(lpText, lpCaption, uType);
return IDOK;
}
BOOL g_HookError = FALSE;
BOOL g_HookError2 = FALSE;
int g_mod = 0;
void HookOnImport(HMODULE hModule, char *lpszImpModName, PVOID lpOrigFunc, PVOID lpNewFunc)
{
ULONG ulSize;
PIMAGE_IMPORT_DESCRIPTOR pImportDesc = (PIMAGE_IMPORT_DESCRIPTOR)
ImageDirectoryEntryToData(hModule, TRUE, IMAGE_DIRECTORY_ENTRY_IMPORT, &ulSize);
if (pImportDesc == nullptr)
return;
for (; pImportDesc->Name; pImportDesc++) {
char *pszModName = (char *)((PBYTE)hModule + pImportDesc->Name);
if (mir_strcmpi(lpszImpModName, pszModName) != 0)
continue;
PIMAGE_THUNK_DATA pThunk = (PIMAGE_THUNK_DATA)((PBYTE)hModule + pImportDesc->FirstThunk);
for (; pThunk->u1.Function; pThunk++) {
PVOID* ppfn = (PVOID*)&pThunk->u1.Function;
if (*ppfn != lpOrigFunc)
continue;
DWORD oldProtect;
g_mod++;
if (!VirtualProtect((LPVOID)ppfn, sizeof(void*), PAGE_EXECUTE_READWRITE, &oldProtect)) {
if (!g_HookError) {
wchar_t buf[200];
g_HookError = TRUE;
mir_snwprintf(buf, TranslateT("VirtualProtect failed. Code %d\nTry to call the author"), GetLastError());
prevMessageBox(nullptr, buf, TranslateT("Error"), MB_OK);
}
}
*(PVOID*)ppfn = lpNewFunc;
if (*(PVOID*)ppfn != lpNewFunc) {
if (!g_HookError2) {
g_HookError2 = TRUE;
prevMessageBox(nullptr, TranslateT("Hmm. Something goes wrong. I can't write into the memory.\nAnd as you can see, there are no any exception raised...\nTry to call the author"), TranslateT("Error"), MB_OK);
}
}
}
}
}
void HookAPI()
{
PVOID lpMessageBox = (PVOID)GetProcAddress(GetModuleHandle(L"USER32.DLL"), "MessageBoxW");
PVOID lpPopupMsgBox = (PVOID)newMessageBox;
prevMessageBox = (MSGBOXPROC)lpMessageBox;
HANDLE hModuleSnap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, GetCurrentProcessId());
if (hModuleSnap == INVALID_HANDLE_VALUE)
return;
MODULEENTRY32 me32 = { 0 };
me32.dwSize = sizeof(MODULEENTRY32);
BOOL bFound = FALSE;
if (Module32First(hModuleSnap, &me32)) {
do {
HookOnImport(me32.hModule, "USER32.DLL", lpMessageBox, lpPopupMsgBox);
}
while (!bFound && Module32Next(hModuleSnap, &me32));
}
CloseHandle(hModuleSnap);
}
int HookedInit(WPARAM, LPARAM)
{
HookAPI();
return 0;
}
int HookedOptions(WPARAM wParam, LPARAM)
{
OPTIONSDIALOGPAGE odp = {};
odp.pszTemplate = MAKEINTRESOURCEA(IDD_OPTIONS);
odp.szTitle.w = LPGENW("MessagePopup");
odp.szGroup.w = LPGENW("Popups");
odp.flags = ODPF_BOLDGROUPS | ODPF_UNICODE;
odp.pfnDlgProc = OptionsDlgProc;
g_plugin.addOptions(wParam, &odp);
return 0;
}
void LoadConfig()
{
for (int indx = 0; indx < 4; indx++) {
char szNameFG[4], szNameBG[4], szNameTO[4];
mir_snprintf(szNameFG, "FG%d", indx);
mir_snprintf(szNameBG, "BG%d", indx);
mir_snprintf(szNameTO, "TO%d", indx);
options.FG[indx] = g_plugin.getDword(szNameFG, optionsDefault.FG[indx]);
options.BG[indx] = g_plugin.getDword(szNameBG, optionsDefault.BG[indx]);
options.Timeout[indx] = g_plugin.getDword(szNameTO, (DWORD)optionsDefault.Timeout[indx]);
}
options.Sound = g_plugin.getByte("Sound", (DWORD)optionsDefault.Sound);
}
/////////////////////////////////////////////////////////////////////////////////////////
int CMPlugin::Load()
{
HookEvent(ME_SYSTEM_MODULESLOADED, HookedInit);
HookEvent(ME_OPT_INITIALISE, HookedOptions);
LoadConfig();
return 0;
}
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