/* * DriverConnect.c * * $Id: DriverConnect.c,v 1.6 2006/01/20 15:58:35 source Exp $ * * SQLDriverConnect trace functions * * The iODBC driver manager. * * Copyright (C) 1996-2006 by OpenLink Software <iodbc@openlinksw.com> * All Rights Reserved. * * This software is released under the terms of either of the following * licenses: * * - GNU Library General Public License (see LICENSE.LGPL) * - The BSD License (see LICENSE.BSD). * * Note that the only valid version of the LGPL license as far as this * project is concerned is the original GNU Library General Public License * Version 2, dated June 1991. * * While not mandated by the BSD license, any patches you make to the * iODBC source code may be contributed back into the iODBC project * at your discretion. Contributions will benefit the Open Source and * Data Access community as a whole. Submissions may be made at: * * http://www.iodbc.org * * * GNU Library Generic Public License Version 2 * ============================================ * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; only * Version 2 of the License dated June 1991. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * * The BSD License * =============== * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name of OpenLink Software Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL OPENLINK OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "trace.h" /* * Never print plaintext passwords * * NOTE: This function modifies the original string * */ static void _trace_connstr_hidepwd (SQLCHAR *str) { SQLCHAR *ptr; int state = 0; for (ptr = str; *ptr;) { switch (state) { case -1: if (strchr ("\'\"}", *ptr)) state = 0; break; case 0: if (toupper(*ptr) == 'P') state = 1; else if (strchr ("\'\"{", *ptr)) state = -1; /* in string */ break; case 1: if (toupper(*ptr) == 'W') state = 2; else state = 0; break; case 2: if (toupper(*ptr) == 'D') state = 3; else state = 0; break; case 3: if (*ptr == '=') state = 4; /* goto password mode */ else state = 0; break; case 4: if (*ptr == ';') { state = 0; /* go back to normal mode */ } else *ptr = '*'; break; } ptr++; } } static void _trace_connstr ( SQLCHAR * str, SQLSMALLINT len, SQLSMALLINT * lenptr, int output) { SQLCHAR *dup; ssize_t length; if (!str) { trace_emit ("\t\t%-15.15s * 0x0\n", "SQLCHAR"); return; } trace_emit ("\t\t%-15.15s * %p\n", "SQLCHAR", str); if (!output) return; /* * Calculate string length */ if (lenptr ) length = *lenptr; else length = len; if (length == SQL_NTS) length = STRLEN (str); /* * Make a copy of the string */ if ((dup = (SQLCHAR *) malloc (length + 1)) == NULL) return; memcpy (dup, str, length); dup[length] = '\0'; /* * Emit the string */ _trace_connstr_hidepwd (dup); trace_emit_string (dup, length, 0); free (dup); } static void _trace_connstr_w ( SQLWCHAR * str, SQLSMALLINT len, SQLSMALLINT * lenptr, int output) { SQLCHAR *dup; long length; if (!str) { trace_emit ("\t\t%-15.15s * 0x0\n", "SQLWCHAR"); return; } trace_emit ("\t\t%-15.15s * %p\n", "SQLWCHAR", str); if (!output) return; /* * Calculate string length */ if (lenptr) length = *lenptr; else length = len; /* * Emit the string */ dup = dm_SQL_W2A (str, length); _trace_connstr_hidepwd (dup); trace_emit_string (dup, SQL_NTS, 1); free (dup); } static void _trace_drvcn_completion(SQLUSMALLINT fDriverCompletion) { char *ptr = "invalid completion value"; switch (fDriverCompletion) { _S (SQL_DRIVER_PROMPT); _S (SQL_DRIVER_COMPLETE); _S (SQL_DRIVER_COMPLETE_REQUIRED); _S (SQL_DRIVER_NOPROMPT); } trace_emit ("\t\t%-15.15s %d (%s)\n", "SQLUSMALLINT", (int) fDriverCompletion, ptr); } void trace_SQLDriverConnect (int trace_leave, int retcode, SQLHDBC hdbc, SQLHWND hwnd, SQLCHAR * szConnStrIn, SQLSMALLINT cbConnStrIn, SQLCHAR * szConnStrOut, SQLSMALLINT cbConnStrOutMax, SQLSMALLINT * pcbConnStrOut, SQLUSMALLINT fDriverCompletion) { /* Trace function */ _trace_print_function (en_DriverConnect, trace_leave, retcode); /* Trace Arguments */ _trace_handle (SQL_HANDLE_DBC, hdbc); _trace_pointer (hwnd); _trace_connstr (szConnStrIn, cbConnStrIn, NULL, TRACE_INPUT); _trace_stringlen ("SQLSMALLINT", cbConnStrIn); _trace_connstr (szConnStrOut, cbConnStrOutMax, pcbConnStrOut, TRACE_OUTPUT_SUCCESS); _trace_stringlen ("SQLSMALLINT", cbConnStrOutMax); _trace_smallint_p (pcbConnStrOut, TRACE_OUTPUT_SUCCESS); _trace_drvcn_completion (fDriverCompletion); } #if ODBCVER >= 0x0300 void trace_SQLDriverConnectW (int trace_leave, int retcode, SQLHDBC hdbc, SQLHWND hwnd, SQLWCHAR * szConnStrIn, SQLSMALLINT cbConnStrIn, SQLWCHAR * szConnStrOut, SQLSMALLINT cbConnStrOutMax, SQLSMALLINT * pcbConnStrOut, SQLUSMALLINT fDriverCompletion) { /* Trace function */ _trace_print_function (en_DriverConnectW, trace_leave, retcode); /* Trace Arguments */ _trace_handle (SQL_HANDLE_DBC, hdbc); _trace_pointer (hwnd); _trace_connstr_w (szConnStrIn, cbConnStrIn, NULL, TRACE_INPUT); _trace_stringlen ("SQLSMALLINT", cbConnStrIn); _trace_connstr_w (szConnStrOut, cbConnStrOutMax, pcbConnStrOut, TRACE_OUTPUT_SUCCESS); _trace_stringlen ("SQLSMALLINT", cbConnStrOutMax); _trace_smallint_p (pcbConnStrOut, TRACE_OUTPUT_SUCCESS); _trace_drvcn_completion (fDriverCompletion); } #endif