1/* 2 * SQLReadFileDSN.c 3 * 4 * $Id: SQLReadFileDSN.c,v 1.8 2006/07/10 13:43:55 source Exp $ 5 * 6 * These functions intentionally left blank 7 * 8 * The iODBC driver manager. 9 * 10 * Copyright (C) 1996-2006 by OpenLink Software <iodbc@openlinksw.com> 11 * All Rights Reserved. 12 * 13 * This software is released under the terms of either of the following 14 * licenses: 15 * 16 * - GNU Library General Public License (see LICENSE.LGPL) 17 * - The BSD License (see LICENSE.BSD). 18 * 19 * Note that the only valid version of the LGPL license as far as this 20 * project is concerned is the original GNU Library General Public License 21 * Version 2, dated June 1991. 22 * 23 * While not mandated by the BSD license, any patches you make to the 24 * iODBC source code may be contributed back into the iODBC project 25 * at your discretion. Contributions will benefit the Open Source and 26 * Data Access community as a whole. Submissions may be made at: 27 * 28 * http://www.iodbc.org 29 * 30 * 31 * GNU Library Generic Public License Version 2 32 * ============================================ 33 * This library is free software; you can redistribute it and/or 34 * modify it under the terms of the GNU Library General Public 35 * License as published by the Free Software Foundation; only 36 * Version 2 of the License dated June 1991. 37 * 38 * This library is distributed in the hope that it will be useful, 39 * but WITHOUT ANY WARRANTY; without even the implied warranty of 40 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 41 * Library General Public License for more details. 42 * 43 * You should have received a copy of the GNU Library General Public 44 * License along with this library; if not, write to the Free 45 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 46 * 47 * 48 * The BSD License 49 * =============== 50 * Redistribution and use in source and binary forms, with or without 51 * modification, are permitted provided that the following conditions 52 * are met: 53 * 54 * 1. Redistributions of source code must retain the above copyright 55 * notice, this list of conditions and the following disclaimer. 56 * 2. Redistributions in binary form must reproduce the above copyright 57 * notice, this list of conditions and the following disclaimer in 58 * the documentation and/or other materials provided with the 59 * distribution. 60 * 3. Neither the name of OpenLink Software Inc. nor the names of its 61 * contributors may be used to endorse or promote products derived 62 * from this software without specific prior written permission. 63 * 64 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 65 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 66 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 67 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL OPENLINK OR 68 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 69 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 70 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 71 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 72 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 73 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 74 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 75 */ 76 77#include <iodbc.h> 78#include <odbcinst.h> 79#include <unicode.h> 80 81#include "inifile.h" 82#include "iodbc_error.h" 83#include "misc.h" 84 85extern int GetPrivateProfileString (LPCSTR lpszSection, LPCSTR lpszEntry, 86 LPCSTR lpszDefault, LPSTR lpszRetBuffer, int cbRetBuffer, 87 LPCSTR lpszFilename); 88 89BOOL INSTAPI 90SQLReadFileDSN (LPCSTR lpszFileName, LPCSTR lpszAppName, LPCSTR lpszKeyName, 91 LPSTR lpszString, WORD cbString, WORD * pcbString) 92{ 93 BOOL retcode = FALSE; 94 WORD len = 0, i; 95 char filename[1024]; 96 97 /* Check input parameters */ 98 CLEAR_ERROR (); 99 100 if (!lpszString || !cbString) 101 { 102 PUSH_ERROR (ODBC_ERROR_INVALID_BUFF_LEN); 103 goto quit; 104 } 105 106 if (!lpszAppName && lpszKeyName) 107 { 108 PUSH_ERROR (ODBC_ERROR_INVALID_REQUEST_TYPE); 109 goto quit; 110 } 111 112 /* Is a file is specified */ 113 if (lpszFileName) 114 { 115 _iodbcdm_getdsnfile (lpszFileName, filename, sizeof (filename)); 116 len = 117 GetPrivateProfileString (lpszAppName, lpszKeyName, "", lpszString, 118 cbString, filename); 119 if (numerrors == -1) 120 retcode = TRUE; 121 goto quit; 122 } 123 124 PUSH_ERROR (ODBC_ERROR_INVALID_PATH); 125 goto quit; 126 127quit: 128 for (i = 0; i < len; i++) 129 if (!lpszString[i]) 130 lpszString[i] = ';'; 131 132 if (pcbString) 133 *pcbString = len; 134 135 if (len == cbString - 1) 136 { 137 PUSH_ERROR (ODBC_ERROR_OUTPUT_STRING_TRUNCATED); 138 retcode = FALSE; 139 } 140 141 return retcode; 142} 143 144BOOL INSTAPI 145SQLReadFileDSNW (LPCWSTR lpszFileName, LPCWSTR lpszAppName, 146 LPCWSTR lpszKeyName, LPWSTR lpszString, WORD cbString, WORD * pcbString) 147{ 148 char *_filename_u8 = NULL; 149 char *_appname_u8 = NULL; 150 char *_keyname_u8 = NULL; 151 char *_string_u8 = NULL; 152 BOOL retcode = FALSE; 153 154 _filename_u8 = (char *) dm_SQL_WtoU8 ((SQLWCHAR *) lpszFileName, SQL_NTS); 155 if (_filename_u8 == NULL && lpszFileName) 156 { 157 PUSH_ERROR (ODBC_ERROR_OUT_OF_MEM); 158 goto done; 159 } 160 161 _appname_u8 = (char *) dm_SQL_WtoU8 ((SQLWCHAR *) lpszAppName, SQL_NTS); 162 if (_appname_u8 == NULL && lpszAppName) 163 { 164 PUSH_ERROR (ODBC_ERROR_OUT_OF_MEM); 165 goto done; 166 } 167 168 _keyname_u8 = (char *) dm_SQL_WtoU8 ((SQLWCHAR *) lpszKeyName, SQL_NTS); 169 if (_keyname_u8 == NULL && lpszKeyName) 170 { 171 PUSH_ERROR (ODBC_ERROR_OUT_OF_MEM); 172 goto done; 173 } 174 175 if (cbString > 0) 176 { 177 if ((_string_u8 = malloc (cbString * UTF8_MAX_CHAR_LEN + 1)) == NULL) 178 { 179 PUSH_ERROR (ODBC_ERROR_OUT_OF_MEM); 180 goto done; 181 } 182 } 183 184 retcode = 185 SQLReadFileDSN (_filename_u8, _appname_u8, _keyname_u8, _string_u8, 186 cbString * UTF8_MAX_CHAR_LEN, pcbString); 187 188 if (retcode == TRUE) 189 { 190 dm_StrCopyOut2_U8toW (_string_u8, lpszString, cbString, pcbString); 191 } 192 193done: 194 MEM_FREE (_filename_u8); 195 MEM_FREE (_appname_u8); 196 MEM_FREE (_keyname_u8); 197 MEM_FREE (_string_u8); 198 199 return retcode; 200} 201