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Sweden-Number/programs/regsvr32/regsvr32.c

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/*
* PURPOSE: Register OLE components in the registry
*
* Copyright 2001 ReactOS project
* Copyright 2001 Jurgen Van Gael [jurgen.vangael@student.kuleuven.ac.be]
* Copyright 2002 Andriy Palamarchuk
* Copyright 2014, 2015 Hugh McMaster
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winternl.h>
#include <ole2.h>
#include "regsvr32.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(regsvr32);
typedef HRESULT (WINAPI *DLLREGISTER) (void);
typedef HRESULT (WINAPI *DLLUNREGISTER) (void);
typedef HRESULT (WINAPI *DLLINSTALL) (BOOL,LPCWSTR);
static BOOL Silent = FALSE;
static void WINAPIV output_write(UINT id, ...)
{
WCHAR fmt[1024];
va_list va_args;
WCHAR *str;
DWORD len, nOut;
if (Silent) return;
if (!LoadStringW(GetModuleHandleW(NULL), id, fmt, ARRAY_SIZE(fmt)))
{
WINE_FIXME("LoadString failed with %ld\n", GetLastError());
return;
}
va_start(va_args, id);
len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
fmt, 0, 0, (LPWSTR)&str, 0, &va_args);
va_end(va_args);
if (len == 0 && GetLastError() != ERROR_NO_WORK_DONE)
{
WINE_FIXME("Could not format string: le=%lu, fmt=%s\n", GetLastError(), wine_dbgstr_w(fmt));
return;
}
/* WriteConsole fails if its output is redirected to a file.
* If this occurs, we should use an OEM codepage and call WriteFile.
*/
if (!WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), str, len, &nOut, NULL))
{
DWORD lenA;
char *strA;
lenA = WideCharToMultiByte(GetOEMCP(), 0, str, len, NULL, 0, NULL, NULL);
strA = HeapAlloc(GetProcessHeap(), 0, lenA);
if (strA)
{
WideCharToMultiByte(GetOEMCP(), 0, str, len, strA, lenA, NULL, NULL);
WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), strA, lenA, &nOut, FALSE);
HeapFree(GetProcessHeap(), 0, strA);
}
}
LocalFree(str);
}
static LPCWSTR find_arg_start(LPCWSTR cmdline)
{
LPCWSTR s;
BOOL in_quotes;
int bcount;
bcount=0;
in_quotes=FALSE;
s=cmdline;
while (1) {
if (*s==0 || ((*s=='\t' || *s==' ') && !in_quotes)) {
/* end of this command line argument */
break;
} else if (*s=='\\') {
/* '\', count them */
bcount++;
} else if ((*s=='"') && ((bcount & 1)==0)) {
/* unescaped '"' */
in_quotes=!in_quotes;
bcount=0;
} else {
/* a regular character */
bcount=0;
}
s++;
}
return s;
}
static void reexec_self( WORD machine )
{
WCHAR app[MAX_PATH];
LPCWSTR args;
WCHAR *cmdline;
ULONG i, machines[8];
HANDLE process = 0;
STARTUPINFOW si = {0};
PROCESS_INFORMATION pi;
void *cookie;
NtQuerySystemInformationEx( SystemSupportedProcessorArchitectures, &process, sizeof(process),
machines, sizeof(machines), NULL );
for (i = 0; machines[i]; i++) if (LOWORD(machines[i]) == machine) break;
if (!machines[i]) return;
if (HIWORD(machines[i]) & 4 /* native machine */) machine = IMAGE_FILE_MACHINE_TARGET_HOST;
if (!GetSystemWow64Directory2W( app, MAX_PATH, machine )) return;
wcscat( app, L"\\regsvr32.exe" );
TRACE( "restarting as %s\n", debugstr_w(app) );
args = find_arg_start(GetCommandLineW());
cmdline = HeapAlloc(GetProcessHeap(), 0,
(wcslen(app)+wcslen(args)+1)*sizeof(WCHAR));
wcscpy(cmdline, app);
wcscat(cmdline, args);
si.cb = sizeof(si);
Wow64DisableWow64FsRedirection(&cookie);
if (CreateProcessW(app, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
{
DWORD exit_code;
WaitForSingleObject(pi.hProcess, INFINITE);
GetExitCodeProcess(pi.hProcess, &exit_code);
ExitProcess(exit_code);
}
else
{
WINE_TRACE("failed to restart, err=%ld\n", GetLastError());
}
Wow64RevertWow64FsRedirection(cookie);
HeapFree(GetProcessHeap(), 0, cmdline);
}
/**
* Loads procedure.
*
* Parameters:
* strDll - name of the dll.
* procName - name of the procedure to load from the dll.
* DllHandle - a variable that receives the handle of the loaded dll.
* firstDll - true if this is the first dll in the command line.
*/
static VOID *LoadProc(const WCHAR* strDll, const char* procName, HMODULE* DllHandle, BOOL firstDll)
{
VOID* (*proc)(void);
*DllHandle = LoadLibraryExW(strDll, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
if(!*DllHandle)
{
HMODULE module;
if (firstDll && GetLastError() == ERROR_BAD_EXE_FORMAT &&
(module = LoadLibraryExW(strDll, 0, LOAD_LIBRARY_AS_IMAGE_RESOURCE)))
{
IMAGE_NT_HEADERS *nt = RtlImageNtHeader( (HMODULE)((ULONG_PTR)module & ~3) );
reexec_self( nt->FileHeader.Machine );
}
output_write(STRING_DLL_LOAD_FAILED, strDll);
ExitProcess(LOADLIBRARY_FAILED);
}
proc = (VOID *) GetProcAddress(*DllHandle, procName);
if(!proc)
{
output_write(STRING_PROC_NOT_IMPLEMENTED, procName, strDll);
FreeLibrary(*DllHandle);
return NULL;
}
return proc;
}
static int RegisterDll(const WCHAR* strDll, BOOL firstDll)
{
HRESULT hr;
DLLREGISTER pfRegister;
HMODULE DllHandle = NULL;
pfRegister = LoadProc(strDll, "DllRegisterServer", &DllHandle, firstDll);
if (!pfRegister)
return GETPROCADDRESS_FAILED;
hr = pfRegister();
if(FAILED(hr))
{
output_write(STRING_REGISTER_FAILED, strDll);
return DLLSERVER_FAILED;
}
output_write(STRING_REGISTER_SUCCESSFUL, strDll);
if(DllHandle)
FreeLibrary(DllHandle);
return 0;
}
static int UnregisterDll(const WCHAR* strDll, BOOL firstDll)
{
HRESULT hr;
DLLUNREGISTER pfUnregister;
HMODULE DllHandle = NULL;
pfUnregister = LoadProc(strDll, "DllUnregisterServer", &DllHandle, firstDll);
if (!pfUnregister)
return GETPROCADDRESS_FAILED;
hr = pfUnregister();
if(FAILED(hr))
{
output_write(STRING_UNREGISTER_FAILED, strDll);
return DLLSERVER_FAILED;
}
output_write(STRING_UNREGISTER_SUCCESSFUL, strDll);
if(DllHandle)
FreeLibrary(DllHandle);
return 0;
}
static int InstallDll(BOOL install, const WCHAR *strDll, const WCHAR *command_line, BOOL firstDll)
{
HRESULT hr;
DLLINSTALL pfInstall;
HMODULE DllHandle = NULL;
pfInstall = LoadProc(strDll, "DllInstall", &DllHandle, firstDll);
if (!pfInstall)
return GETPROCADDRESS_FAILED;
hr = pfInstall(install, command_line);
if(FAILED(hr))
{
if (install)
output_write(STRING_INSTALL_FAILED, strDll);
else
output_write(STRING_UNINSTALL_FAILED, strDll);
return DLLSERVER_FAILED;
}
if (install)
output_write(STRING_INSTALL_SUCCESSFUL, strDll);
else
output_write(STRING_UNINSTALL_SUCCESSFUL, strDll);
if(DllHandle)
FreeLibrary(DllHandle);
return 0;
}
static WCHAR *parse_command_line(WCHAR *command_line)
{
if (command_line[0] == ':' && command_line[1])
{
int len = lstrlenW(command_line);
command_line++;
len--;
/* remove double quotes */
if (command_line[0] == '"')
{
command_line++;
len--;
if (command_line[0])
{
len--;
command_line[len] = 0;
}
}
if (command_line[0])
return command_line;
}
return NULL;
}
int __cdecl wmain(int argc, WCHAR* argv[])
{
int i, res, ret = 0;
BOOL CallRegister = TRUE;
BOOL CallInstall = FALSE;
BOOL Unregister = FALSE;
BOOL DllFound = FALSE;
WCHAR* wsCommandLine = NULL;
WCHAR EmptyLine[] = L"";
OleInitialize(NULL);
/* We mirror the Microsoft version by processing all of the flags before
* the files (e.g. regsvr32 file1 /s file2 is silent even for file1).
*
* Note the complication that this version may be passed Unix format filenames
* which could be mistaken for flags. The Windows version conveniently
* requires each flag to be separate (e.g. no /su), so we will simply
* assume that anything longer than /. is a filename.
*/
for(i = 1; i < argc; i++)
{
if (argv[i][0] == '/' || argv[i][0] == '-')
{
if (!argv[i][1])
return INVALID_ARG;
if (argv[i][2] && argv[i][2] != ':')
continue;
switch (towlower(argv[i][1]))
{
case 'u':
Unregister = TRUE;
break;
case 's':
Silent = TRUE;
break;
case 'i':
CallInstall = TRUE;
wsCommandLine = parse_command_line(argv[i] + 2); /* argv[i] + strlen("/i") */
if (!wsCommandLine)
wsCommandLine = EmptyLine;
break;
case 'n':
CallRegister = FALSE;
break;
case 'c':
/* console output */;
break;
default:
output_write(STRING_UNRECOGNIZED_SWITCH, argv[i]);
output_write(STRING_USAGE);
return INVALID_ARG;
}
argv[i] = NULL;
}
}
if (!CallInstall && !CallRegister) /* flags: /n or /u /n */
return INVALID_ARG;
for (i = 1; i < argc; i++)
{
if (argv[i])
{
WCHAR *DllName = argv[i];
BOOL firstDll = !DllFound;
res = 0;
DllFound = TRUE;
if (CallInstall && Unregister)
res = InstallDll(!Unregister, DllName, wsCommandLine, firstDll);
/* The Windows version stops processing the current file on the first error. */
if (res)
{
ret = res;
continue;
}
if (!CallInstall || CallRegister)
{
if(Unregister)
res = UnregisterDll(DllName, firstDll);
else
res = RegisterDll(DllName, firstDll);
}
if (res)
{
ret = res;
continue;
}
if (CallInstall && !Unregister)
res = InstallDll(!Unregister, DllName, wsCommandLine, firstDll);
if (res)
{
ret = res;
continue;
}
}
}
if (!DllFound)
{
output_write(STRING_HEADER);
output_write(STRING_USAGE);
return INVALID_ARG;
}
OleUninitialize();
/* return the most recent error code, even if later DLLs succeed */
return ret;
}
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