programs/regsvr32/regsvr32.c

   1 /*
   2  * PURPOSE: Register OLE components in the registry
   3  *
   4  * Copyright 2001 ReactOS project
   5  * Copyright 2001 Jurgen Van Gael [jurgen.vangael@student.kuleuven.ac.be]
   6  * Copyright 2002 Andriy Palamarchuk
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  * This version deliberately differs in error handling compared to the
  23  * windows version.
  24  */
  25
  26 /*
  27  *
  28  *  regsvr32 [/u] [/s] [/n] [/i[:cmdline]] dllname ...
  29  *  [/u]    unregister server
  30  *  [/s]    silent (no message boxes)
  31  *  [/i]    Call DllInstall passing it an optional [cmdline];
  32  *          when used with /u calls dll uninstall.
  33  *  [/n]    Do not call DllRegisterServer; this option must be used with [/i]
  34  *
  35  *  Note the complication that this version may be passed unix format file names
  36  *  which might be mistaken for flags.  Conveniently the Windows version
  37  *  requires each flag to be separate (e.g. no /su ) and so we will simply
  38  *  assume that anything longer than /. is a filename.
  39  */
  40
  41 /**
  42  * FIXME - currently receives command-line parameters in ASCII only and later
  43  * converts to Unicode. Ideally the function should have wWinMain entry point
  44  * and then work in Unicode only, but it seems Wine does not have necessary
  45  * support.
  46  */
  47
  48 #include "config.h"
  49 #include "wine/port.h"
  50
  51 #include <stdio.h>
  52 #include <string.h>
  53 #include <windows.h>
  54
  55 typedef HRESULT (*DLLREGISTER)          (void);
  56 typedef HRESULT (*DLLUNREGISTER)        (void);
  57 typedef HRESULT (*DLLINSTALL)           (BOOL,LPCWSTR);
  58
  59 int Silent = 0;
  60
  61 static int Usage(void)
  62 {
  63     printf("regsvr32 [/u] [/s] [/n] [/i[:cmdline]] dllname ...\n");
  64     printf("\t[/u]  unregister server\n");
  65     printf("\t[/s]  silent (no message boxes)\n");
  66     printf("\t[/i]  Call DllInstall passing it an optional [cmdline];\n");
  67     printf("\t      when used with /u calls dll uninstall\n");
  68     printf("\t[/n]  Do not call DllRegisterServer; this option "
  69            "must be used with [/i]\n");
  70     return 0;
  71 }
  72
  73 /**
  74  * Loads procedure.
  75  *
  76  * Parameters:
  77  * strDll - name of the dll.
  78  * procName - name of the procedure to load from dll
  79  * pDllHanlde - output variable receives handle of the loaded dll.
  80  */
  81 static VOID *LoadProc(const char* strDll, const char* procName, HMODULE* DllHandle)
  82 {
  83     VOID* (*proc)(void);
  84
  85     *DllHandle = LoadLibraryEx(strDll, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
  86     if(!*DllHandle)
  87     {
  88         if(!Silent)
  89             printf("Failed to load DLL %s\n", strDll);
  90
  91         exit(-1);
  92     }
  93     proc = (VOID *) GetProcAddress(*DllHandle, procName);
  94     if(!proc)
  95     {
  96         if(!Silent)
  97             printf("%s not implemented in DLL %s\n", procName, strDll);
  98         FreeLibrary(*DllHandle);
  99         exit(-1);
 100     }
 101     return proc;
 102 }
 103
 104 static int RegisterDll(const char* strDll)
 105 {
 106     HRESULT hr;
 107     DLLREGISTER pfRegister;
 108     HMODULE DllHandle = NULL;
 109
 110     pfRegister = LoadProc(strDll, "DllRegisterServer", &DllHandle);
 111
 112     hr = pfRegister();
 113     if(FAILED(hr))
 114     {
 115         if(!Silent)
 116             printf("Failed to register DLL %s\n", strDll);
 117
 118         return -1;
 119     }
 120     if(!Silent)
 121         printf("Successfully registered DLL %s\n", strDll);
 122
 123     if(DllHandle)
 124         FreeLibrary(DllHandle);
 125     return 0;
 126 }
 127
 128 static int UnregisterDll(char* strDll)
 129 {
 130     HRESULT hr;
 131     DLLUNREGISTER pfUnregister;
 132     HMODULE DllHandle = NULL;
 133
 134     pfUnregister = LoadProc(strDll, "DllUnregisterServer", &DllHandle);
 135     hr = pfUnregister();
 136     if(FAILED(hr))
 137     {
 138         if(!Silent)
 139             printf("Failed to unregister DLL %s\n", strDll);
 140
 141         return -1;
 142     }
 143     if(!Silent)
 144         printf("Successfully unregistered DLL %s\n", strDll);
 145
 146     if(DllHandle)
 147         FreeLibrary(DllHandle);
 148     return 0;
 149 }
 150
 151 static int InstallDll(BOOL install, char *strDll, WCHAR *command_line)
 152 {
 153     HRESULT hr;
 154     DLLINSTALL pfInstall;
 155     HMODULE DllHandle = NULL;
 156
 157     pfInstall = LoadProc(strDll, "DllInstall", &DllHandle);
 158     hr = pfInstall(install, command_line);
 159     if(FAILED(hr))
 160     {
 161         if(!Silent)
 162             printf("Failed to %s DLL %s\n", install ? "install" : "uninstall",
 163                    strDll);
 164         return -1;
 165     }
 166     if(!Silent)
 167         printf("Successfully %s DLL %s\n",  install ? "installed" : "uninstalled",
 168                strDll);
 169
 170     if(DllHandle)
 171         FreeLibrary(DllHandle);
 172     return 0;
 173 }
 174
 175 int main(int argc, char* argv[])
 176 {
 177     int             i;
 178     BOOL            CallRegister = TRUE;
 179     BOOL            CallInstall = FALSE;
 180     BOOL            Unregister = FALSE;
 181     BOOL            DllFound = FALSE;
 182     WCHAR*          wsCommandLine = NULL;
 183     WCHAR           EmptyLine[1] = {0};
 184
 185
 186     /* Strictly, the Microsoft version processes all the flags before
 187      * the files (e.g. regsvr32 file1 /s file2 is silent even for file1.
 188      * For ease, we will not replicate that and will process the arguments
 189      * in order.
 190      */
 191     for(i = 1; i < argc; i++)
 192     {
 193         if (!strcasecmp(argv[i], "/u"))
 194                 Unregister = TRUE;
 195         else if (!strcasecmp(argv[i], "/s"))
 196                 Silent = 1;
 197         else if (!strncasecmp(argv[i], "/i", strlen("/i")))
 198         {
 199             CHAR* command_line = argv[i] + strlen("/i");
 200
 201             CallInstall = TRUE;
 202             if (command_line[0] == ':' && command_line[1])
 203             {
 204                 int len = strlen(command_line);
 205
 206                 command_line++;
 207                 len--;
 208                 /* remove double quotes */
 209                 if (command_line[0] == '"')
 210                 {
 211                     command_line++;
 212                     len--;
 213                     if (command_line[0])
 214                     {
 215                         len--;
 216                         command_line[len] = 0;
 217                     }
 218                 }
 219                 if (command_line[0])
 220                 {
 221                     len = MultiByteToWideChar(CP_ACP, 0, command_line, -1,
 222                                               NULL, 0);
 223                     wsCommandLine = HeapAlloc(GetProcessHeap(), 0,
 224                                               len * sizeof(WCHAR));
 225                     if (wsCommandLine)
 226                         MultiByteToWideChar(CP_ACP, 0, command_line, -1,
 227                                             wsCommandLine, len);
 228                 }
 229                 else
 230                 {
 231                     wsCommandLine = EmptyLine;
 232                 }
 233             }
 234             else
 235             {
 236                 wsCommandLine = EmptyLine;
 237             }
 238         }
 239         else if(!strcasecmp(argv[i], "/n"))
 240             CallRegister = FALSE;
 241         else if (argv[i][0] == '/' && (!argv[i][2] || argv[i][2] == ':'))
 242             printf("Unrecognized switch %s\n", argv[i]);
 243         else
 244         {
 245             char *DllName = argv[i];
 246             int res = 0;
 247
 248             DllFound = TRUE;
 249             if (!CallInstall || (CallInstall && CallRegister))
 250             {
 251                 if(Unregister)
 252                     res = UnregisterDll(DllName);
 253                 else
 254                     res = RegisterDll(DllName);
 255             }
 256
 257             if (res)
 258                 return res;
 259             /* Confirmed.  The windows version does stop on the first error.*/
 260
 261             if (CallInstall)
 262             {
 263                 res = InstallDll(!Unregister, DllName, wsCommandLine);
 264             }
 265
 266             if (res)
 267                 return res;
 268         }
 269     }
 270
 271     if (!DllFound)
 272     {
 273         if(!Silent)
 274             return Usage();
 275         else
 276             return -1;
 277     }
 278
 279     return 0;
 280 }