1/* 2 * SQLValidDSN.c 3 * 4 * $Id: SQLValidDSN.c,v 1.7 2006/01/20 15:58:35 source Exp $ 5 * 6 * Validate a DSN name 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 78#include <iodbc.h> 79#include <odbcinst.h> 80#include <unicode.h> 81 82#include "iodbc_error.h" 83 84#define INVALID_CHARS "[]{}(),;?*=!@\\" 85#define INVALID_CHARSW L"[]{}(),;?*=!@\\" 86 87BOOL 88ValidDSN (LPCSTR lpszDSN) 89{ 90 char *currp = (char *) lpszDSN; 91 92 while (*currp) 93 { 94 if (strchr (INVALID_CHARS, *currp)) 95 return FALSE; 96 else 97 currp++; 98 } 99 100 return TRUE; 101} 102 103 104BOOL 105ValidDSNW (LPCWSTR lpszDSN) 106{ 107 wchar_t *currp = (wchar_t *) lpszDSN; 108 109 while (*currp) 110 { 111 if (wcschr (INVALID_CHARSW, *currp)) 112 return FALSE; 113 else 114 currp++; 115 } 116 117 return TRUE; 118} 119 120 121BOOL INSTAPI 122SQLValidDSN (LPCSTR lpszDSN) 123{ 124 BOOL retcode = FALSE; 125 126 /* Check dsn */ 127 CLEAR_ERROR (); 128 if (!lpszDSN || !STRLEN (lpszDSN) || STRLEN (lpszDSN) >= SQL_MAX_DSN_LENGTH) 129 { 130 PUSH_ERROR (ODBC_ERROR_GENERAL_ERR); 131 goto quit; 132 } 133 134 retcode = ValidDSN (lpszDSN); 135 136quit: 137 return retcode; 138} 139 140BOOL INSTAPI 141SQLValidDSNW (LPCWSTR lpszDSN) 142{ 143 BOOL retcode = FALSE; 144 145 /* Check dsn */ 146 CLEAR_ERROR (); 147 if (!lpszDSN || !WCSLEN (lpszDSN) || WCSLEN (lpszDSN) >= SQL_MAX_DSN_LENGTH) 148 { 149 PUSH_ERROR (ODBC_ERROR_GENERAL_ERR); 150 goto quit; 151 } 152 153 retcode = ValidDSNW (lpszDSN); 154 155quit: 156 return retcode; 157} 158