1/* 2 * SQLRemoveDriver.c 3 * 4 * $Id: SQLRemoveDriver.c,v 1.8 2006/01/20 15:58:35 source Exp $ 5 * 6 * Remove a driver 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 "inifile.h" 83#include "misc.h" 84#include "iodbc_error.h" 85 86 87BOOL INSTAPI 88SQLRemoveDriver (LPCSTR lpszDriver, BOOL fRemoveDSN, LPDWORD lpdwUsageCount) 89{ 90 /*char *szDriverFile = NULL; */ 91 BOOL retcode = FALSE; 92 PCONFIG pCfg = NULL, pInstCfg = NULL; 93 LPSTR entries = (LPSTR) malloc (sizeof (char) * 65535), curr; 94 int len = 0, i = 0; 95 96 /* Check input parameters */ 97 CLEAR_ERROR (); 98 if (!lpszDriver || !STRLEN (lpszDriver)) 99 { 100 PUSH_ERROR (ODBC_ERROR_INVALID_NAME); 101 goto quit; 102 } 103 104 /* Else go through user/system odbcinst.ini */ 105 switch (configMode) 106 { 107 case ODBC_BOTH_DSN: 108 case ODBC_USER_DSN: 109 wSystemDSN = USERDSN_ONLY; 110 break; 111 112 case ODBC_SYSTEM_DSN: 113 wSystemDSN = SYSTEMDSN_ONLY; 114 break; 115 } 116 117 if (_iodbcdm_cfg_search_init (&pCfg, "odbc.ini", FALSE)) 118 { 119 PUSH_ERROR (ODBC_ERROR_GENERAL_ERR); 120 goto done; 121 } 122 123 if (_iodbcdm_cfg_search_init (&pInstCfg, "odbcinst.ini", FALSE)) 124 { 125 PUSH_ERROR (ODBC_ERROR_GENERAL_ERR); 126 goto done; 127 } 128 129 if (fRemoveDSN) 130 { 131#ifdef WIN32 132 if (entries && 133 (len = _iodbcdm_list_entries (pCfg, "ODBC 32 bit Data Sources", 134 entries, 65535))) 135#else 136 if (entries 137 && (len = 138 _iodbcdm_list_entries (pCfg, "ODBC Data Sources", entries, 139 65535))) 140#endif 141 { 142 for (curr = entries; i < len; 143 i += (STRLEN (curr) + 1), curr += (STRLEN (curr) + 1)) 144 { 145 int nCursor = pCfg->cursor; 146 147 if (_iodbcdm_cfg_rewind (pCfg)) 148 { 149 PUSH_ERROR (ODBC_ERROR_GENERAL_ERR); 150 goto done; 151 } 152 153#ifdef WIN32 154 if (_iodbcdm_cfg_find (pCfg, "ODBC 32 bit Data Sources", curr)) 155#else 156 if (_iodbcdm_cfg_find (pCfg, "ODBC Data Sources", curr)) 157#endif 158 { 159 if (_iodbcdm_cfg_rewind (pCfg)) 160 { 161 PUSH_ERROR (ODBC_ERROR_GENERAL_ERR); 162 goto done; 163 } 164 pCfg->cursor = nCursor; 165 continue; 166 } 167 168 if (!strcmp (pCfg->value, lpszDriver)) 169 { 170 if (_iodbcdm_cfg_write (pCfg, curr, NULL, NULL)) 171 { 172 PUSH_ERROR (ODBC_ERROR_GENERAL_ERR); 173 goto done; 174 } 175 176#ifdef WIN32 177 if (_iodbcdm_cfg_write (pCfg, "ODBC 32 bit Data Sources", 178 curr, NULL)) 179#else 180 if (_iodbcdm_cfg_write (pCfg, "ODBC Data Sources", curr, 181 NULL)) 182#endif 183 { 184 PUSH_ERROR (ODBC_ERROR_GENERAL_ERR); 185 goto done; 186 } 187 } 188 189 pCfg->cursor = nCursor; 190 } 191 } 192 } 193 194 if (_iodbcdm_cfg_write (pInstCfg, (char *) lpszDriver, NULL, NULL)) 195 { 196 PUSH_ERROR (ODBC_ERROR_GENERAL_ERR); 197 goto done; 198 } 199 200#ifdef WIN32 201 if (_iodbcdm_cfg_write (pInstCfg, "ODBC 32 bit Drivers", lpszDriver, NULL)) 202#else 203 if (_iodbcdm_cfg_write (pInstCfg, "ODBC Drivers", (LPSTR) lpszDriver, NULL)) 204#endif 205 { 206 PUSH_ERROR (ODBC_ERROR_GENERAL_ERR); 207 goto done; 208 } 209 210 if (_iodbcdm_cfg_commit (pCfg) || _iodbcdm_cfg_commit (pInstCfg)) 211 { 212 PUSH_ERROR (ODBC_ERROR_GENERAL_ERR); 213 goto done; 214 } 215 216 retcode = TRUE; 217 218done: 219 if (pCfg) 220 _iodbcdm_cfg_done (pCfg); 221 if (pInstCfg) 222 _iodbcdm_cfg_done (pInstCfg); 223 if (entries) 224 free (entries); 225 226quit: 227 wSystemDSN = USERDSN_ONLY; 228 configMode = ODBC_BOTH_DSN; 229 230 return retcode; 231} 232 233BOOL INSTAPI 234SQLRemoveDriverW (LPCWSTR lpszDriver, BOOL fRemoveDSN, LPDWORD lpdwUsageCount) 235{ 236 char *_driver_u8 = NULL; 237 BOOL retcode = FALSE; 238 239 _driver_u8 = (char *) dm_SQL_WtoU8 ((SQLWCHAR *) lpszDriver, SQL_NTS); 240 if (_driver_u8 == NULL && lpszDriver) 241 { 242 PUSH_ERROR (ODBC_ERROR_OUT_OF_MEM); 243 goto done; 244 } 245 246 retcode = SQLRemoveDriver (_driver_u8, fRemoveDSN, lpdwUsageCount); 247 248done: 249 MEM_FREE (_driver_u8); 250 251 return retcode; 252} 253