-/*
- * Copyright 1999, Dmitry Kovalev <mit@openldap.org>, All rights reserved.
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Redistribution and use in source and binary forms are permitted only
- * as authorized by the OpenLDAP Public License. A copy of this
- * license is available at http://www.OpenLDAP.org/license.html or
- * in file LICENSE in the top-level directory of the distribution.
+ * Copyright 1999-2005 The OpenLDAP Foundation.
+ * Portions Copyright 1999 Dmitry Kovalev.
+ * Portions Copyright 2002 Pierangelo Masarati.
+ * Portions Copyright 2004 Mark Adamson.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by Dmitry Kovalev for inclusion
+ * by OpenLDAP Software. Additional significant contributors include
+ * Pierangelo Masarati and Mark Adamson.
*/
#include "portable.h"
-#ifdef SLAPD_SQL
-
#include <stdio.h>
#include "ac/string.h"
#include <sys/types.h>
+
#include "slap.h"
-#include "ldap_pvt.h"
-#include "back-sql.h"
-#include "sql-types.h"
-#include "sql-wrap.h"
-#include "schema-map.h"
+#include "proto-sql.h"
#define MAX_ATTR_LEN 16384
-typedef struct backsql_conn {
- int ldap_cid;
+typedef struct backsql_db_conn {
+ unsigned long ldap_cid;
SQLHDBC dbh;
} backsql_db_conn;
Debug( LDAP_DEBUG_TRACE, "Return code: %d\n", rc, 0, 0 );
-
- rc = SQLError( henv, hdbc, sth, state, &iSqlCode, msg,
- SQL_MAX_MESSAGE_LENGTH - 1, &len );
- for ( ; BACKSQL_SUCCESS( rc ); ) {
- Debug( LDAP_DEBUG_TRACE, "Native error code: %d\n",
- (int)iSqlCode, 0, 0 );
- Debug( LDAP_DEBUG_TRACE, "SQL engine state: %s\n",
- state, 0, 0 );
- Debug( LDAP_DEBUG_TRACE, "Message: %s\n", msg, 0, 0 );
- rc = SQLError( henv, hdbc, sth, state, &iSqlCode, msg,
- SQL_MAX_MESSAGE_LENGTH - 1, &len );
+ for ( ; rc = SQLError( henv, hdbc, sth, state, &iSqlCode, msg,
+ SQL_MAX_MESSAGE_LENGTH - 1, &len ), BACKSQL_SUCCESS( rc ); ) {
+ Debug( LDAP_DEBUG_TRACE,
+ " Native error code: %d\n"
+ " SQL engine state: %s\n"
+ " Message: %s\n",
+ (int)iSqlCode, state, msg );
}
}
backsql_Prepare( SQLHDBC dbh, SQLHSTMT *sth, char *query, int timeout )
{
RETCODE rc;
- char drv_name[ 30 ];
- SWORD len;
rc = SQLAllocStmt( dbh, sth );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "==>backsql_Prepare()\n", 0, 0, 0 );
#endif /* BACKSQL_TRACE */
- SQLGetInfo( dbh, SQL_DRIVER_NAME, drv_name, sizeof( drv_name ), &len );
+#ifdef BACKSQL_MSSQL_WORKAROUND
+ {
+ char drv_name[ 30 ];
+ SWORD len;
+
+ SQLGetInfo( dbh, SQL_DRIVER_NAME, drv_name, sizeof( drv_name ), &len );
#ifdef BACKSQL_TRACE
- Debug( LDAP_DEBUG_TRACE, "backsql_Prepare(): driver name='%s'\n",
- drv_name, 0, 0 );
+ Debug( LDAP_DEBUG_TRACE, "backsql_Prepare(): driver name=\"%s\"\n",
+ drv_name, 0, 0 );
#endif /* BACKSQL_TRACE */
- ldap_pvt_str2upper( drv_name );
- if ( !strncmp( drv_name, "SQLSRV32.DLL", sizeof( drv_name ) ) ) {
- /*
- * stupid default result set in MS SQL Server
- * does not support multiple active statements
- * on the same connection -- so we are trying
- * to make it not to use default result set...
- */
- Debug( LDAP_DEBUG_TRACE, "_SQLprepare(): "
- "enabling MS SQL Server default result "
- "set workaround\n", 0, 0, 0 );
- rc = SQLSetStmtOption( *sth, SQL_CONCURRENCY,
- SQL_CONCUR_ROWVER );
- if ( rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO ) {
- Debug( LDAP_DEBUG_TRACE, "backsql_Prepare(): "
- "SQLSetStmtOption(SQL_CONCURRENCY,"
- "SQL_CONCUR_ROWVER) failed:\n",
- 0, 0, 0 );
- backsql_PrintErrors( SQL_NULL_HENV, dbh, *sth, rc );
+ ldap_pvt_str2upper( drv_name );
+ if ( !strncmp( drv_name, "SQLSRV32.DLL", STRLENOF( "SQLSRV32.DLL" ) ) ) {
+ /*
+ * stupid default result set in MS SQL Server
+ * does not support multiple active statements
+ * on the same connection -- so we are trying
+ * to make it not to use default result set...
+ */
+ Debug( LDAP_DEBUG_TRACE, "_SQLprepare(): "
+ "enabling MS SQL Server default result "
+ "set workaround\n", 0, 0, 0 );
+ rc = SQLSetStmtOption( *sth, SQL_CONCURRENCY,
+ SQL_CONCUR_ROWVER );
+ if ( rc != SQL_SUCCESS && rc != SQL_SUCCESS_WITH_INFO ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_Prepare(): "
+ "SQLSetStmtOption(SQL_CONCURRENCY,"
+ "SQL_CONCUR_ROWVER) failed:\n",
+ 0, 0, 0 );
+ backsql_PrintErrors( SQL_NULL_HENV, dbh, *sth, rc );
+ SQLFreeStmt( *sth, SQL_DROP );
+ return rc;
+ }
}
}
+#endif /* BACKSQL_MSSQL_WORKAROUND */
if ( timeout > 0 ) {
Debug( LDAP_DEBUG_TRACE, "_SQLprepare(): "
rc = SQLSetStmtOption( *sth, SQL_QUERY_TIMEOUT, timeout );
if ( rc != SQL_SUCCESS ) {
backsql_PrintErrors( SQL_NULL_HENV, dbh, *sth, rc );
+ SQLFreeStmt( *sth, SQL_DROP );
+ return rc;
}
}
0, 0, 0 );
#endif /* BACKSQL_TRACE */
- return SQLPrepare( *sth, query, SQL_NTS );
+ return SQLPrepare( *sth, (SQLCHAR *)query, SQL_NTS );
}
-#if 0
-/*
- * Turned into macros --- see sql-wrap.h
- */
-RETCODE
-backsql_BindParamStr( SQLHSTMT sth, int par_ind, char *str, int maxlen )
-{
- RETCODE rc;
-
- rc = SQLBindParameter( sth, (SQLUSMALLINT)par_ind, SQL_PARAM_INPUT,
- SQL_C_CHAR, SQL_VARCHAR,
- (SQLUINTEGER)maxlen, 0, (SQLPOINTER)str,
- (SQLUINTEGER)maxlen, NULL );
- return rc;
-}
-
-RETCODE
-backsql_BindParamID( SQLHSTMT sth, int par_ind, unsigned long *id )
-{
- return SQLBindParameter( sth, (SQLUSMALLINT)par_ind,
- SQL_PARAM_INPUT, SQL_C_ULONG, SQL_INTEGER,
- 0, 0, (SQLPOINTER)id, 0, (SQLINTEGER*)NULL );
-}
-#endif
-
RETCODE
backsql_BindRowAsStrings( SQLHSTMT sth, BACKSQL_ROW_NTS *row )
{
#endif /* BACKSQL_TRACE */
backsql_PrintErrors( SQL_NULL_HENV, SQL_NULL_HDBC, sth, rc );
+
} else {
#ifdef BACKSQL_TRACE
Debug( LDAP_DEBUG_TRACE, "backsql_BindRowAsStrings: "
(SQLUINTEGER)( sizeof( colname ) - 1 ),
&name_len, &col_type,
&col_prec, &col_scale, &col_null );
- ber_str2bv( colname, 0, 1, &row->col_names[ i - 1 ] );
+ ber_str2bv( (char *)colname, 0, 1, &row->col_names[ i - 1 ] );
#ifdef BACKSQL_TRACE
Debug( LDAP_DEBUG_TRACE, "backsql_BindRowAsStrings: "
"col_name=%s, col_prec[%d]=%d\n",
}
int
-backsql_init_db_env( backsql_info *si )
+backsql_init_db_env( backsql_info *bi )
{
RETCODE rc;
+ int ret = SQL_SUCCESS;
Debug( LDAP_DEBUG_TRACE, "==>backsql_init_db_env()\n", 0, 0, 0 );
- rc = SQLAllocEnv( &si->db_env );
+ rc = SQLAllocEnv( &bi->sql_db_env );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "init_db_env: SQLAllocEnv failed:\n",
0, 0, 0 );
backsql_PrintErrors( SQL_NULL_HENV, SQL_NULL_HDBC,
SQL_NULL_HENV, rc );
+ ret = SQL_ERROR;
}
- Debug( LDAP_DEBUG_TRACE, "<==backsql_init_db_env()\n", 0, 0, 0 );
- return SQL_SUCCESS;
+ Debug( LDAP_DEBUG_TRACE, "<==backsql_init_db_env()=%d\n", ret, 0, 0 );
+ return ret;
}
int
-backsql_free_db_env( backsql_info *si )
+backsql_free_db_env( backsql_info *bi )
{
Debug( LDAP_DEBUG_TRACE, "==>backsql_free_db_env()\n", 0, 0, 0 );
}
static int
-backsql_open_db_conn( backsql_info *si, int ldap_cid, backsql_db_conn **pdbc )
+backsql_open_db_conn( backsql_info *bi, unsigned long ldap_cid, backsql_db_conn **pdbc )
{
/* TimesTen */
char DBMSName[ 32 ];
Debug( LDAP_DEBUG_TRACE, "==>backsql_open_db_conn()\n", 0, 0, 0 );
dbc = (backsql_db_conn *)ch_calloc( 1, sizeof( backsql_db_conn ) );
dbc->ldap_cid = ldap_cid;
- rc = SQLAllocConnect( si->db_env, &dbc->dbh );
+ rc = SQLAllocConnect( bi->sql_db_env, &dbc->dbh );
if ( !BACKSQL_SUCCESS( rc ) ) {
Debug( LDAP_DEBUG_TRACE, "backsql_open_db_conn: "
"SQLAllocConnect() failed:\n", 0, 0, 0 );
- backsql_PrintErrors( si->db_env, SQL_NULL_HDBC,
+ backsql_PrintErrors( bi->sql_db_env, SQL_NULL_HDBC,
SQL_NULL_HENV, rc );
return LDAP_UNAVAILABLE;
}
- rc = SQLConnect( dbc->dbh, si->dbname, SQL_NTS, si->dbuser,
- SQL_NTS, si->dbpasswd, SQL_NTS );
+ rc = SQLConnect( dbc->dbh,
+ (SQLCHAR*)bi->sql_dbname, SQL_NTS,
+ (SQLCHAR*)bi->sql_dbuser, SQL_NTS,
+ (SQLCHAR*)bi->sql_dbpasswd, SQL_NTS );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_open_db_conn: "
- "SQLConnect() to database '%s' as user '%s' "
- "%s:\n", si->dbname, si->dbuser,
+ "SQLConnect() to database \"%s\" as user \"%s\" "
+ "%s:\n", bi->sql_dbname, bi->sql_dbuser,
rc == SQL_SUCCESS_WITH_INFO ?
"succeeded with info" : "failed" );
- backsql_PrintErrors( si->db_env, dbc->dbh, SQL_NULL_HENV, rc );
+ backsql_PrintErrors( bi->sql_db_env, dbc->dbh, SQL_NULL_HENV, rc );
if ( rc != SQL_SUCCESS_WITH_INFO ) {
return LDAP_UNAVAILABLE;
}
* remember that fact for later use.
*/
/* Assume until proven otherwise */
- si->bsql_flags &= ~BSQLF_USE_REVERSE_DN;
+ bi->sql_flags &= ~BSQLF_USE_REVERSE_DN;
DBMSName[ 0 ] = '\0';
rc = SQLGetInfo( dbc->dbh, SQL_DBMS_NAME, (PTR)&DBMSName,
sizeof( DBMSName ), NULL );
strcmp( DBMSName, "Front-Tier" ) == 0 ) {
Debug( LDAP_DEBUG_TRACE, "backsql_open_db_conn: "
"TimesTen database!\n", 0, 0, 0 );
- si->bsql_flags |= BSQLF_USE_REVERSE_DN;
+ bi->sql_flags |= BSQLF_USE_REVERSE_DN;
}
} else {
Debug( LDAP_DEBUG_TRACE, "backsql_open_db_conn: "
"SQLGetInfo() failed:\n", 0, 0, 0 );
- backsql_PrintErrors( si->db_env, dbc->dbh, SQL_NULL_HENV, rc );
+ backsql_PrintErrors( bi->sql_db_env, dbc->dbh, SQL_NULL_HENV, rc );
+ return rc;
}
/* end TimesTen */
Debug( LDAP_DEBUG_TRACE, "backsql_open_db_conn(): "
"connected, adding to tree\n", 0, 0, 0 );
- ldap_pvt_thread_mutex_lock( &si->dbconn_mutex );
- avl_insert( &si->db_conns, dbc, backsql_cmp_connid, NULL );
- ldap_pvt_thread_mutex_unlock( &si->dbconn_mutex );
+ ldap_pvt_thread_mutex_lock( &bi->sql_dbconn_mutex );
+ if ( avl_insert( &bi->sql_db_conns, dbc, backsql_cmp_connid, avl_dup_error ) ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_open_db_conn: "
+ "duplicate connection ID\n", 0, 0, 0 );
+ return LDAP_OTHER;
+ }
+ ldap_pvt_thread_mutex_unlock( &bi->sql_dbconn_mutex );
Debug( LDAP_DEBUG_TRACE, "<==backsql_open_db_conn()\n", 0, 0, 0 );
*pdbc = dbc;
int
backsql_free_db_conn( Operation *op )
{
- backsql_info *si = (backsql_info *)op->o_bd->be_private;
- backsql_db_conn tmp, *conn;
+ backsql_info *bi = (backsql_info *)op->o_bd->be_private;
+ backsql_db_conn tmp = { 0 },
+ *conn;
Debug( LDAP_DEBUG_TRACE, "==>backsql_free_db_conn()\n", 0, 0, 0 );
tmp.ldap_cid = op->o_connid;
- ldap_pvt_thread_mutex_lock( &si->dbconn_mutex );
- conn = avl_delete( &si->db_conns, &tmp, backsql_cmp_connid );
- ldap_pvt_thread_mutex_unlock( &si->dbconn_mutex );
+ ldap_pvt_thread_mutex_lock( &bi->sql_dbconn_mutex );
+ conn = avl_delete( &bi->sql_db_conns, &tmp, backsql_cmp_connid );
+ ldap_pvt_thread_mutex_unlock( &bi->sql_dbconn_mutex );
/*
* we have one thread per connection, as I understand -- so we can
int
backsql_get_db_conn( Operation *op, SQLHDBC *dbh )
{
- backsql_info *si = (backsql_info *)op->o_bd->be_private;
- backsql_db_conn *dbc;
- backsql_db_conn tmp;
+ backsql_info *bi = (backsql_info *)op->o_bd->be_private;
+ backsql_db_conn *dbc,
+ tmp = { 0 };
int rc = LDAP_SUCCESS;
Debug( LDAP_DEBUG_TRACE, "==>backsql_get_db_conn()\n", 0, 0, 0 );
* we have one thread per connection, as I understand --
* so we do not need locking here
*/
- dbc = avl_find( si->db_conns, &tmp, backsql_cmp_connid );
+ dbc = avl_find( bi->sql_db_conns, &tmp, backsql_cmp_connid );
if ( !dbc ) {
- rc = backsql_open_db_conn( si, op->o_connid, &dbc );
+ rc = backsql_open_db_conn( bi, op->o_connid, &dbc );
if ( rc != LDAP_SUCCESS) {
Debug( LDAP_DEBUG_TRACE, "backsql_get_db_conn(): "
"could not get connection handle "
}
}
- ldap_pvt_thread_mutex_lock( &si->schema_mutex );
- if ( !BACKSQL_SCHEMA_LOADED( si ) ) {
+ ldap_pvt_thread_mutex_lock( &bi->sql_schema_mutex );
+ if ( !BACKSQL_SCHEMA_LOADED( bi ) ) {
Debug( LDAP_DEBUG_TRACE, "backsql_get_db_conn(): "
"first call -- reading schema map\n", 0, 0, 0 );
- rc = backsql_load_schema_map( si, dbc->dbh );
+ rc = backsql_load_schema_map( bi, dbc->dbh );
if ( rc != LDAP_SUCCESS ) {
- ldap_pvt_thread_mutex_unlock( &si->schema_mutex );
+ ldap_pvt_thread_mutex_unlock( &bi->sql_schema_mutex );
backsql_free_db_conn( op );
return rc;
}
}
- ldap_pvt_thread_mutex_unlock( &si->schema_mutex );
+ ldap_pvt_thread_mutex_unlock( &bi->sql_schema_mutex );
*dbh = dbc->dbh;
return LDAP_SUCCESS;
}
-#endif /* SLAPD_SQL */
-