1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #include "precompiled_cppuhelper.hxx" 29 #include "sal/config.h" 30 31 #include <stdlib.h> 32 #include <string.h> 33 34 #if defined WNT 35 36 #define WIN32_LEAN_AND_MEAN 37 #include <windows.h> 38 39 /* 40 * Gets the installation path from the Windows Registry for the specified 41 * registry key. 42 * 43 * @param hroot open handle to predefined root registry key 44 * @param subKeyName name of the subkey to open 45 * 46 * @return the installation path or NULL, if no installation was found or 47 * if an error occured 48 */ 49 static char* getPathFromRegistryKey( HKEY hroot, const char* subKeyName ) 50 { 51 HKEY hkey; 52 DWORD type; 53 char* data = NULL; 54 DWORD size; 55 56 /* open the specified registry key */ 57 if ( RegOpenKeyEx( hroot, subKeyName, 0, KEY_READ, &hkey ) != ERROR_SUCCESS ) 58 { 59 return NULL; 60 } 61 62 /* find the type and size of the default value */ 63 if ( RegQueryValueEx( hkey, NULL, NULL, &type, NULL, &size) != ERROR_SUCCESS ) 64 { 65 RegCloseKey( hkey ); 66 return NULL; 67 } 68 69 /* get memory to hold the default value */ 70 data = (char*) malloc( size ); 71 72 /* read the default value */ 73 if ( RegQueryValueEx( hkey, NULL, NULL, &type, (LPBYTE) data, &size ) != ERROR_SUCCESS ) 74 { 75 RegCloseKey( hkey ); 76 return NULL; 77 } 78 79 /* release registry key handle */ 80 RegCloseKey( hkey ); 81 82 return data; 83 } 84 85 /* 86 * Gets the installation path from the Windows Registry. 87 * 88 * @return the installation path or NULL, if no installation was found or 89 * if an error occured 90 */ 91 static char* platformSpecific() 92 { 93 const char* SUBKEYNAME = "Software\\OpenOffice.org\\UNO\\InstallPath"; 94 95 char* path = NULL; 96 97 /* read the key's default value from HKEY_CURRENT_USER */ 98 path = getPathFromRegistryKey( HKEY_CURRENT_USER, SUBKEYNAME ); 99 100 if ( path == NULL ) 101 { 102 /* read the key's default value from HKEY_LOCAL_MACHINE */ 103 path = getPathFromRegistryKey( HKEY_LOCAL_MACHINE, SUBKEYNAME ); 104 } 105 106 return path; 107 } 108 109 #else 110 111 #include <unistd.h> 112 #include <limits.h> 113 114 /* 115 * Gets the installation path from the PATH environment variable. 116 * 117 * <p>An installation is found, if the executable 'soffice' or a symbolic link 118 * is in one of the directories listed in the PATH environment variable.</p> 119 * 120 * @return the installation path or NULL, if no installation was found or 121 * if an error occured 122 */ 123 static char* platformSpecific() 124 { 125 const int SEPARATOR = '/'; 126 const char* PATHSEPARATOR = ":"; 127 const char* PATHVARNAME = "PATH"; 128 const char* APPENDIX = "/soffice"; 129 130 char* path = NULL; 131 char* env = NULL; 132 char* str = NULL; 133 char* dir = NULL; 134 char* file = NULL; 135 char* resolved = NULL; 136 char* sep = NULL; 137 138 char buffer[PATH_MAX]; 139 int pos; 140 141 /* get the value of the PATH environment variable */ 142 env = getenv( PATHVARNAME ); 143 str = (char*) malloc( strlen( env ) + 1 ); 144 strcpy( str, env ); 145 146 /* get the tokens separated by ':' */ 147 dir = strtok( str, PATHSEPARATOR ); 148 149 while ( dir ) 150 { 151 /* construct soffice file path */ 152 file = (char*) malloc( strlen( dir ) + strlen( APPENDIX ) + 1 ); 153 strcpy( file, dir ); 154 strcat( file, APPENDIX ); 155 156 /* check existence of soffice file */ 157 if ( !access( file, F_OK ) ) 158 { 159 /* resolve symbolic link */ 160 resolved = realpath( file, buffer ); 161 162 if ( resolved != NULL ) 163 { 164 /* get path to program directory */ 165 sep = strrchr( resolved, SEPARATOR ); 166 167 if ( sep != NULL ) 168 { 169 pos = sep - resolved; 170 path = (char*) malloc( pos + 1 ); 171 strncpy( path, resolved, pos ); 172 path[ pos ] = '\0'; 173 free( file ); 174 break; 175 } 176 } 177 } 178 179 dir = strtok( NULL, PATHSEPARATOR ); 180 free( file ); 181 } 182 183 free( str ); 184 185 return path; 186 } 187 188 #endif 189 190 char const* cppuhelper_detail_findSofficePath() 191 { 192 const char* UNOPATHVARNAME = "UNO_PATH"; 193 194 char* path = NULL; 195 196 /* get the installation path from the UNO_PATH environment variable */ 197 path = getenv( UNOPATHVARNAME ); 198 199 if ( path == NULL || strlen( path ) == 0 ) 200 { 201 path = platformSpecific(); 202 } 203 204 return path; 205 } 206