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ibm_driver.c
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/*
+----------------------------------------------------------------------+
| (C) Copyright IBM Corporation 2006. |
+----------------------------------------------------------------------+
| |
| Licensed under the Apache License, Version 2.0 (the "License"); you |
| may not use this file except in compliance with the License. You may |
| obtain a copy of the License at |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| implied. See the License for the specific language governing |
| permissions and limitations under the License. |
+----------------------------------------------------------------------+
| Authors: Rick McGuire, Dan Scott, Krishna Raman, Kellen Bombardier, |
| Ambrish Bhargava |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "pdo/php_pdo.h"
#include "pdo/php_pdo_driver.h"
#include "php_pdo_ibm.h"
#include "php_pdo_ibm_int.h"
#include "zend_exceptions.h"
#include <stdio.h>
extern struct pdo_stmt_methods ibm_stmt_methods;
extern int ibm_stmt_dtor(pdo_stmt_t *stmt);
#ifdef PASE /* libl, curlib */
static int db2_ibmi_cmd_helper(pdo_dbh_t* dbh, char*stmt_string);
static int db2_ibmi_cmd_libl(pdo_dbh_t* dbh, char *stmt_string);
static int db2_ibmi_cmd_curlib(pdo_dbh_t* dbh, char *stmt_string);
#endif /*PASE */
#ifdef PASE /* IBM i consolidate ifdefs */
SQLRETURN _php_db2_override_SQLSetConnectAttr(
SQLHDBC hdbc,
SQLINTEGER fOption,
SQLPOINTER vParam,
SQLINTEGER fStrLen)
{
int rc = SQL_ERROR;
SQLPOINTER pvParam = vParam;
int iParam = (SQLINTEGER)(intptr_t)vParam;
/* IBM i requires pointer to value;
* LUW supports raw integer (SQL_IS_INTEGER) or pointer (SQL_NTS)
*/
if (fStrLen == SQL_IS_INTEGER) {
pvParam = &iParam;
} else if (fStrLen != SQL_NTS) {
pvParam = &vParam;
}
rc = SQLSetConnectAttr(hdbc, fOption, pvParam, fStrLen);
return rc;
}
SQLRETURN _php_db2_override_SQLSetStmtAttr(
SQLHSTMT hstmt,
SQLINTEGER fOption,
SQLPOINTER vParam,
SQLINTEGER fStrLen)
{
int rc = SQL_ERROR;
SQLPOINTER pvParam = vParam;
int iParam = (SQLINTEGER)(intptr_t)vParam;
/* IBM i requires pointer to value;
* LUW supports raw integer (SQL_IS_INTEGER) or pointer (SQL_NTS)
*/
if (fStrLen == SQL_IS_INTEGER) {
pvParam = &iParam;
} else if (fStrLen != SQL_NTS) {
pvParam = &vParam;
}
rc = SQLSetStmtAttr(hstmt, fOption, pvParam, fStrLen);
return rc;
}
SQLRETURN _php_db2_override_SQLSetEnvAttr(
SQLHENV henv,
SQLINTEGER fOption,
SQLPOINTER vParam,
SQLINTEGER fStrLen)
{
int rc = SQL_ERROR;
SQLPOINTER pvParam = vParam;
int iParam = (SQLINTEGER)(intptr_t)vParam;
/* IBM i requires pointer to value;
* LUW supports raw integer (SQL_IS_INTEGER) or pointer (SQL_NTS)
*/
if (fStrLen == SQL_IS_INTEGER) {
pvParam = &iParam;
} else if (fStrLen != SQL_NTS) {
pvParam = &vParam;
}
rc = SQLSetEnvAttr(henv, fOption, pvParam, fStrLen);
return rc;
}
/* define SQLxxx must appear below override _php_db2_override_SQLxxx*/
#define SQLSetEnvAttr(p1,p2,p3,p4) _php_db2_override_SQLSetEnvAttr(p1,p2,p3,p4)
#define SQLSetConnectAttr(p1,p2,p3,p4) _php_db2_override_SQLSetConnectAttr(p1,p2,p3,p4)
#define SQLSetStmtAttr(p1,p2,p3,p4) _php_db2_override_SQLSetStmtAttr(p1,p2,p3,p4)
#endif /* PASE */
/* allocate and initialize the driver_data portion of a PDOStatement object. */
static int dbh_new_stmt_data(pdo_dbh_t* dbh, pdo_stmt_t *stmt)
{
conn_handle *conn_res = (conn_handle *) dbh->driver_data;
stmt_handle *stmt_res = (stmt_handle *) emalloc(sizeof(stmt_handle));
check_allocation(stmt_res, "dbh_new_stmt_data", "Unable to allocate stmt driver data");
memset(stmt_res, '\0', sizeof(stmt_handle));
stmt_res->columns = NULL;
/* attach to the statement */
stmt->driver_data = stmt_res;
stmt->supports_placeholders = PDO_PLACEHOLDER_POSITIONAL;
return TRUE;
}
/* prepare a statement for execution. */
#if PHP_8_1_OR_HIGHER
static int dbh_prepare_stmt(pdo_dbh_t *dbh, pdo_stmt_t *stmt, zend_string *stmt_string, zval *driver_options)
#else
static int dbh_prepare_stmt(pdo_dbh_t *dbh, pdo_stmt_t *stmt, const char *stmt_string, size_t stmt_len, zval *driver_options)
#endif
{
conn_handle *conn_res = (conn_handle *) dbh->driver_data;
stmt_handle *stmt_res = (stmt_handle *) stmt->driver_data;
int rc;
SQLSMALLINT param_count;
#ifndef PASE
UCHAR server_info[30];
#else
unsigned char server_info[30];
#endif
SQLSMALLINT server_len = 0;
/* in case we need to convert the statement for positional syntax */
#if !PHP_8_1_OR_HIGHER
size_t converted_len = 0;
#endif
stmt_res->converted_statement = NULL;
/* clear the current error information to get ready for new execute */
clear_stmt_error(stmt);
/*
* the statement passed in to us at this point is the raw statement the
* programmer specified. If the statement is using named parameters
* (e.g., ":salary", we can't process this directly. Fortunately, PDO
* has a utility function that will munge the SQL statement into the
* form we require and do mappings from named to positional parameters.
*/
/* this is necessary...it tells the parser what we require */
stmt->supports_placeholders = PDO_PLACEHOLDER_POSITIONAL;
#if PHP_8_1_OR_HIGHER
rc = pdo_parse_params(stmt, stmt_string,
&stmt_res->converted_statement);
#else
rc = pdo_parse_params(stmt, (char *) stmt_string, stmt_len,
&stmt_res->converted_statement,
&converted_len);
#endif
/*
* If the query needed reformatting, a new statement string has been
* passed back to us. We're responsible for freeing this when we're done.
*/
if (rc == 1) {
stmt_string = stmt_res->converted_statement;
#if !PHP_8_1_OR_HIGHER
stmt_len = converted_len;
#endif
}
/*
* A negative return indicates there was an error. The error_code
* information in the statement contains the reason.
*/
else if (rc == -1) {
/* copy the error information */
RAISE_IBM_STMT_ERROR(stmt->error_code, "pdo_parse_params",
"Invalid SQL statement");
/* this failed...error cleanup will happen later. */
return FALSE;
}
/* alloc handle and return only if it errors */
rc = SQLAllocHandle(SQL_HANDLE_STMT, conn_res->hdbc, &(stmt_res->hstmt));
check_stmt_error(rc, "SQLAllocHandle");
/* now see if the cursor type has been explicitly specified. */
stmt_res->cursor_type = pdo_attr_lval(driver_options, PDO_ATTR_CURSOR,
PDO_CURSOR_FWDONLY);
/*
* The default is just sequential access. If something else has been
* specified, we need to make this scrollable.
*/
if (stmt_res->cursor_type != PDO_CURSOR_FWDONLY) {
/* set the statement attribute */
rc = SQLSetStmtAttr(stmt_res->hstmt, SQL_ATTR_CURSOR_TYPE, (void *) SQL_CURSOR_DYNAMIC, 0);
check_stmt_error(rc, "SQLSetStmtAttr");
}
/* Prepare the stmt. */
#if PHP_8_1_OR_HIGHER
rc = SQLPrepare((SQLHSTMT) stmt_res->hstmt, (SQLCHAR *) ZSTR_VAL(stmt_string), ZSTR_LEN(stmt_string));
#else
rc = SQLPrepare((SQLHSTMT) stmt_res->hstmt, (SQLCHAR *) stmt_string, stmt_len);
#endif
/* Check for errors from that prepare */
check_stmt_error(rc, "SQLPrepare");
if (rc == SQL_ERROR) {
stmt_cleanup(stmt);
return FALSE;
}
/* we can get rid of the stmt copy now */
if (stmt_res->converted_statement != NULL) {
efree(stmt_res->converted_statement);
stmt_res->converted_statement = NULL;
}
rc = SQLNumResultCols((SQLHSTMT) stmt_res->hstmt, (SQLSMALLINT *) & param_count);
check_stmt_error(rc, "SQLNumResultCols");
/* we're responsible for setting the column_count for the PDO driver. */
stmt->column_count = param_count;
/* Get the server information server_info */
memset(server_info, 0, sizeof(server_info));
rc = SQLGetInfo(conn_res->hdbc, SQL_DBMS_VER, (SQLPOINTER)server_info,
sizeof(server_info), &server_len);
#ifndef PASE /* i5/os release dependent check */
/* Get the server information:
* server_info is in this form:
* 0r.01.0000
* where r is the major version
*/
/* making char numbers into integers eg. "10" --> 10 or "09" --> 9 */
stmt_res->server_ver = ((server_info[0] - '0')*100) + ((server_info[1] - '0')*10) + (server_info[3] - '0');
#else
/* PASE
* Get the server information (05040, 06010):
* server_info is in this form:
* 0r0m0
* 01234
* where r is the major version
* where m is the minor version
*/
stmt_res->server_ver = ((server_info[1] - '0')*100) + ((server_info[3] -'0')*10) + (server_info[4] - '0');
#endif /* PASE */
/*
* Attach the methods...we are now live, so errors will no longer immediately
* force cleanup of the stmt driver-specific storage.
*/
stmt->methods = &ibm_stmt_methods;
return TRUE;
}
/* debugging routine for printing out failure information. */
static void current_error_state(pdo_dbh_t *dbh)
{
conn_handle *conn_res = (conn_handle *)dbh->driver_data;
printf("Handling error %s (%s[%d] at %s:%d)\n",
conn_res->error_data.err_msg, /* an associated message */
conn_res->error_data.failure_name, /* the routine name */
conn_res->error_data.sqlcode, /* native error code of the failure */
conn_res->error_data.filename, /* source file of the reported error */
conn_res->error_data.lineno); /* location of the reported error */
}
/*
* NB. The handle closer is used for PDO dtor purposes, but we also use this
* for error cleanup if we need to throw an exception while creating the
* connection. In that case, the closer is not automatically called by PDO,
* so we need to force cleanup.
*/
static NO_STATUS_RETURN_TYPE ibm_handle_closer( pdo_dbh_t * dbh)
{
conn_handle *conn_res;
conn_res = (conn_handle *) dbh->driver_data;
/*
* An error can occur at many stages of setup, so we need to check the
* validity of each bit as we unwind.
*/
if (conn_res != NULL) {
/* did we get at least as far as creating the environment? */
if (conn_res->henv != SQL_NULL_HANDLE) {
/*
* If we have a handle for the connection, we have
* more stuff to clean up
*/
if (conn_res->hdbc != SQL_NULL_HANDLE) {
/*
* Roll back the transaction if this hasn't been committed yet.
* There's no point in checking for errors here...
* PDO won't process any of the failures even if they happen.
*/
#ifndef PASE /* php 7 acting odd registered 'dtor'(replicate php5.6 for fvt_020_Rollback.phpt) */
if (dbh->auto_commit == 0) {
SQLEndTran(SQL_HANDLE_DBC, (SQLHDBC) conn_res->hdbc,
SQL_ROLLBACK);
}
#endif /* PASE */
SQLDisconnect((SQLHDBC) conn_res->hdbc);
SQLFreeHandle(SQL_HANDLE_DBC, conn_res->hdbc);
}
#ifndef PASE
/*
* On IBM i, the environment handle seems to be a
* singleton and causes spurious messages if freed.
* ibm_db2 avoids freeing it on i for that reason
*/
SQLFreeHandle(SQL_HANDLE_ENV, conn_res->henv);
#endif
}
/* now free the driver data */
pefree(conn_res, dbh->is_persistent);
dbh->driver_data = NULL;
}
#if !PHP_8_1_OR_HIGHER
return TRUE;
#endif
}
/* prepare a statement for execution. */
static STATUS_RETURN_TYPE ibm_handle_preparer(
pdo_dbh_t *dbh,
#if PHP_8_1_OR_HIGHER
zend_string *sql,
#else
const char *sql,
size_t sql_len,
#endif
pdo_stmt_t *stmt,
zval *driver_options)
{
conn_handle *conn_res = (conn_handle *)dbh->driver_data;
/* allocate new driver_data structure */
if (dbh_new_stmt_data(dbh, stmt) == TRUE) {
/* Allocates the stmt handle */
/* Prepares the statement */
/* returns the stat_handle back to the calling function */
#if PHP_8_1_OR_HIGHER
return dbh_prepare_stmt(dbh, stmt, sql, driver_options);
#else
return dbh_prepare_stmt(dbh, stmt, sql, sql_len, driver_options);
#endif
}
return FALSE;
}
/* directly execute an SQL statement. */
#if PHP_8_1_OR_HIGHER
static zend_long ibm_handle_doer(
pdo_dbh_t *dbh,
const zend_string *sql)
#else
static zend_long ibm_handle_doer(
pdo_dbh_t *dbh,
const char *sql,
size_t sql_len)
#endif
{
conn_handle *conn_res = (conn_handle *) dbh->driver_data;
SQLHANDLE hstmt;
SQLINTEGER rowCount;
/* get a statement handle */
int rc = SQLAllocHandle(SQL_HANDLE_STMT, conn_res->hdbc, &hstmt);
check_dbh_error(rc, "SQLAllocHandle");
#if PHP_8_1_OR_HIGHER
rc = SQLExecDirect(hstmt, (SQLCHAR *) ZSTR_VAL(sql), ZSTR_LEN(sql));
#else
rc = SQLExecDirect(hstmt, (SQLCHAR *) sql, sql_len);
#endif
if (rc == SQL_ERROR) {
/*
* NB...we raise the error before freeing the handle so that
* we catch the proper error record.
*/
raise_sql_error(dbh, NULL, hstmt, SQL_HANDLE_STMT,
"SQLExecDirect", __FILE__, __LINE__);
SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
/*
* Things are a bit overloaded here...we're supposed to return a count
* of the affected rows, but -1 indicates an error occurred.
*/
return -1;
}
/*
* Check if SQL_NO_DATA_FOUND was returned:
* SQL_NO_DATA_FOUND is returned if the SQL statement is a Searched UPDATE
* or Searched DELETE and no rows satisfy the search condition.
*/
if (rc == SQL_NO_DATA) {
rowCount = 0;
} else {
/* we need to update the number of affected rows. */
rc = SQLRowCount(hstmt, &rowCount);
if (rc == SQL_ERROR) {
/*
* NB...we raise the error before freeing the handle so that
* we catch the proper error record.
*/
raise_sql_error(dbh, NULL, hstmt, SQL_HANDLE_STMT,
"SQLRowCount", __FILE__, __LINE__);
SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
return -1;
}
/*
* -1 will be retuned if the following:
* If the last executed statement referenced by the input statement handle
* was not an UPDATE, INSERT, DELETE, or MERGE statement, or if it did not
* execute successfully, then the function sets the contents of RowCountPtr to -1.
*/
if (rowCount == -1) {
rowCount = 0;
}
}
/* Set the last inserted id */
rc = record_last_insert_id( NULL, dbh, hstmt);
if( rc == FALSE ) {
return -1;
}
/* this is a one-shot deal, so make sure we free the statement handle */
SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
return rowCount;
}
/* start a new transaction */
static STATUS_RETURN_TYPE ibm_handle_begin(pdo_dbh_t *dbh)
{
conn_handle *conn_res = (conn_handle *) dbh->driver_data;
int rc = SQLSetConnectAttr(conn_res->hdbc, SQL_ATTR_AUTOCOMMIT, (SQLPOINTER) SQL_AUTOCOMMIT_OFF, 0);
check_dbh_error(rc, "SQLSetConnectAttr");
return TRUE;
}
static STATUS_RETURN_TYPE ibm_handle_commit(pdo_dbh_t *dbh)
{
conn_handle *conn_res = (conn_handle *)dbh->driver_data;
int rc = SQLEndTran(SQL_HANDLE_DBC, conn_res->hdbc, SQL_COMMIT);
check_dbh_error(rc, "SQLEndTran");
if (dbh->auto_commit != 0) {
rc = SQLSetConnectAttr(conn_res->hdbc, SQL_ATTR_AUTOCOMMIT, (SQLPOINTER) SQL_AUTOCOMMIT_ON, 0);
check_dbh_error(rc, "SQLSetConnectAttr");
}
return TRUE;
}
static STATUS_RETURN_TYPE ibm_handle_rollback(pdo_dbh_t *dbh)
{
conn_handle *conn_res = (conn_handle *)dbh->driver_data;
int rc = SQLEndTran(SQL_HANDLE_DBC, conn_res->hdbc, SQL_ROLLBACK);
check_dbh_error(rc, "SQLEndTran");
if (dbh->auto_commit != 0) {
rc = SQLSetConnectAttr(conn_res->hdbc, SQL_ATTR_AUTOCOMMIT, (SQLPOINTER) SQL_AUTOCOMMIT_ON, 0);
check_dbh_error(rc, "SQLSetConnectAttr");
}
return TRUE;
}
/* Set the driver attributes. We allow the setting of autocommit */
static STATUS_RETURN_TYPE ibm_handle_set_attribute(
pdo_dbh_t *dbh,
zend_long attr,
zval *return_value)
{
conn_handle *conn_res = (conn_handle *)dbh->driver_data;
int rc = 0;
SQLINTEGER i5sqlenum = SQL_FALSE;
SQLINTEGER i5sqlvalue = SQL_FALSE;
SQLINTEGER sqlBoolean = SQL_FALSE;
if (Z_TYPE_P(return_value) == IS_TRUE) {
sqlBoolean = SQL_TRUE;
}
switch (attr) {
case PDO_ATTR_AUTOCOMMIT:
if (dbh->auto_commit != sqlBoolean) {
dbh->auto_commit = sqlBoolean;
if (dbh->auto_commit) {
rc = SQLSetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_AUTOCOMMIT, (SQLPOINTER) SQL_AUTOCOMMIT_ON, 0);
check_dbh_error(rc, "SQLSetConnectAttr");
} else {
rc = SQLSetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_AUTOCOMMIT, (SQLPOINTER) SQL_AUTOCOMMIT_OFF, 0);
check_dbh_error(rc, "SQLSetConnectAttr");
}
}
return TRUE;
break;
#ifndef PASE /* i5/OS no support trusted */
case PDO_SQL_ATTR_TRUSTED_CONTEXT_USERID:
rc = SQLSetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_TRUSTED_CONTEXT_USERID,
(SQLPOINTER) Z_STRVAL_P(return_value),
SQL_NTS);
check_dbh_error(rc, "SQLSetConnectAttr");
return TRUE;
break;
case PDO_SQL_ATTR_TRUSTED_CONTEXT_PASSWORD:
rc = SQLSetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_TRUSTED_CONTEXT_PASSWORD,
(SQLPOINTER) Z_STRVAL_P(return_value),
SQL_NTS);
check_dbh_error(rc, "SQLSetConnectAttr");
return TRUE;
break;
#endif /* PASE */
/* Set Client Info */
case PDO_SQL_ATTR_INFO_USERID:
rc = SQLSetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_INFO_USERID,
(SQLPOINTER) Z_STRVAL_P(return_value),
SQL_NTS);
check_dbh_error(rc, "SQLSetConnectAttr");
return TRUE;
break;
case PDO_SQL_ATTR_INFO_ACCTSTR:
rc = SQLSetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_INFO_ACCTSTR,
(SQLPOINTER) Z_STRVAL_P(return_value),
SQL_NTS);
check_dbh_error(rc, "SQLSetConnectAttr");
return TRUE;
break;
case PDO_SQL_ATTR_INFO_APPLNAME:
rc = SQLSetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_INFO_APPLNAME,
(SQLPOINTER) Z_STRVAL_P(return_value),
SQL_NTS);
check_dbh_error(rc, "SQLSetConnectAttr");
return TRUE;
break;
case PDO_SQL_ATTR_INFO_WRKSTNNAME:
rc = SQLSetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_INFO_WRKSTNNAME,
(SQLPOINTER) Z_STRVAL_P(return_value),
SQL_NTS);
check_dbh_error(rc, "SQLSetConnectAttr");
return TRUE;
break;
#ifdef PASE /* i5/OS specific settings (1.3.4) */
/*
i5_naming - PDO::I5_ATTR_DBC_SYS_NAMING
true value turns on DB2 UDB CLI iSeries system naming mode.
Files are qualified using the slash (/) delimiter.
Unqualified files are resolved using the library list for the job.
false value turns off DB2 UDB CLI default naming mode, which is SQL naming.
Files are qualified using the period (.) delimiter.
Unqualified files are resolved using either the default library or the current user ID.
*/
case PDO_I5_ATTR_DBC_SYS_NAMING:
rc = SQLSetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_DBC_SYS_NAMING, (SQLPOINTER)(intptr_t) sqlBoolean, 0);
check_dbh_error(rc, "SQLSetConnectAttr");
return TRUE;
break;
/*
i5_commit - PDO::I5_ATTR_COMMIT
The SQL_ATTR_COMMIT attribute should be set before the SQLConnect().
If the value is changed after the connection has been established,
and the connection is to a remote data source, the change does not take effect
until the next successful SQLConnect() for the connection handle
PDO::I5_TXN_NO_COMMIT - Commitment control is not used.
PDO::I5_TXN_READ_UNCOMMITTED - Dirty reads, nonrepeatable reads, and phantoms are possible.
PDO::I5_TXN_READ_COMMITTED - Dirty reads are not possible. Nonrepeatable reads, and phantoms are possible.
PDO::I5_TXN_REPEATABLE_READ - Dirty reads and nonrepeatable reads are not possible. Phantoms are possible.
PDO::I5_TXN_SERIALIZABLE - Transactions are serializable. Dirty reads, non-repeatable reads, and phantoms are not possible
*/
case PDO_I5_ATTR_COMMIT:
i5sqlenum = Z_LVAL_P(return_value);
switch (i5sqlenum) {
case PDO_I5_TXN_NO_COMMIT:
i5sqlvalue = SQL_TXN_NO_COMMIT;
break;
case PDO_I5_TXN_READ_UNCOMMITTED:
i5sqlvalue = SQL_TXN_READ_UNCOMMITTED;
break;
case PDO_I5_TXN_READ_COMMITTED:
i5sqlvalue = SQL_TXN_READ_COMMITTED;
break;
case PDO_I5_TXN_REPEATABLE_READ:
i5sqlvalue = SQL_TXN_REPEATABLE_READ;
break;
case PDO_I5_TXN_SERIALIZABLE:
i5sqlvalue = SQL_TXN_SERIALIZABLE;
break;
default:
i5sqlvalue = SQL_TXN_READ_COMMITTED;
break;
}
rc = SQLSetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_COMMIT, (SQLPOINTER)(intptr_t) i5sqlvalue, 0);
check_dbh_error(rc, "SQLSetConnectAttr");
return TRUE;
break;
/*
i5_job_sort - PDO::I5_ATTR_JOB_SORT
SQL_ATTR_JOB_SORT_SEQUENCE (conn is hidden 10046)
true value turns on DB2 UDB CLI job sort mode.
false value turns off DB2 UDB CLI job sortmode.
*/
case PDO_I5_ATTR_JOB_SORT:
if (sqlBoolean) i5sqlvalue = 2;
else i5sqlvalue = 0;
rc = SQLSetConnectAttr((SQLHDBC) conn_res->hdbc, 10046, (SQLPOINTER)(intptr_t) i5sqlvalue, 0);
check_dbh_error(rc, "SQLSetConnectAttr");
return TRUE;
break;
/*
i5_libl - PDO::I5_ATTR_DBC_LIBL
"MYLIB YOURLIB" - CHGLIBL LIBL(MYLIB YOURLIB)
*/
case PDO_I5_ATTR_DBC_LIBL:
/* if fail, assume delayed set of libl, curlib (after connect) */
rc = db2_ibmi_cmd_libl(dbh,
(SQLPOINTER) Z_STRVAL_P(return_value));
return rc == 0;
break;
/*
i5_curlibl - PDO::I5_ATTR_DBC_CURLIB
"MYLIB" - CHGCURLIB CURLIB(MYLIB)
*/
case PDO_I5_ATTR_DBC_CURLIB:
/* if fail, assume delayed set of libl, curlib (after connect) */
rc = db2_ibmi_cmd_curlib(dbh,
(SQLPOINTER) Z_STRVAL_P(return_value));
return rc == 0;
break;
#endif /* PASE */
default:
return FALSE;
}
}
/* fetch the last inserted id */
#if PHP_8_1_OR_HIGHER
static zend_string *ibm_handle_lastInsertID(pdo_dbh_t * dbh, const zend_string *name)
#else
static char *ibm_handle_lastInsertID(pdo_dbh_t * dbh, const char *name, size_t *len)
#endif
{
char *last_id;
int rc = 0;
char *sql;
conn_handle *conn_res = (conn_handle *) dbh->driver_data;
SQLHANDLE hstmt;
#ifdef PASE
SQLINTEGER out_length;
#else
SQLLEN out_length;
#endif
char server[MAX_DBMS_IDENTIFIER_NAME];
#if PHP_8_1_OR_HIGHER
zend_string *last_id_zstr;
#endif
last_id = emalloc(MAX_IDENTITY_DIGITS);
if (last_id == NULL) {
return NULL;
}
strcpy(last_id, "0");
#ifndef PASE /* i5 IDENTITY_VAL_LOCAL is correct */
rc = SQLGetInfo(conn_res->hdbc, SQL_DBMS_NAME, (SQLPOINTER)server, MAX_DBMS_IDENTIFIER_NAME, NULL);
check_dbh_error(rc, "SQLGetInfo");
if( strncmp( server, "DB2", 3 ) == 0 )
{
#endif /* PASE */
/* get a new statement handle */
rc = SQLAllocHandle(SQL_HANDLE_STMT, conn_res->hdbc, &hstmt);
check_dbh_error(rc, "SQLAllocHandle");
sql = "SELECT IDENTITY_VAL_LOCAL() FROM SYSIBM.SYSDUMMY1";
rc = SQLExecDirect(hstmt, (SQLCHAR *) sql, strlen(sql));
if (rc == SQL_ERROR) {
/*
* We raise the error before freeing the handle so that
* we catch the proper error record.
*/
raise_sql_error(dbh, NULL, hstmt, SQL_HANDLE_STMT,
"SQLExecDirect", __FILE__, __LINE__);
SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
return NULL;
}
rc = SQLBindCol(hstmt, 1, SQL_C_CHAR, last_id, MAX_IDENTITY_DIGITS, &out_length);
if (rc == SQL_ERROR) {
/*
* We raise the error before freeing the handle so that
* we catch the proper error record.
*/
raise_sql_error(dbh, NULL, hstmt, SQL_HANDLE_STMT,
"SQLBindCol", __FILE__, __LINE__);
SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
return NULL;
}
/* go fetch it. */
rc = SQLFetch(hstmt);
if (rc == SQL_ERROR) {
/*
* We raise the error before freeing the handle so that
* we catch the proper error record.
*/
raise_sql_error(dbh, NULL, hstmt, SQL_HANDLE_STMT,
"SQLFetch", __FILE__, __LINE__);
SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
return NULL;
}
/* this is a one-shot deal, so make sure we free the statement handle */
SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
#if PHP_8_1_OR_HIGHER
last_id_zstr = zend_string_init(last_id, strlen(last_id), 0);
efree(last_id);
return last_id_zstr;
#else
*len = strlen(last_id);
return last_id;
#endif
#ifndef PASE /* i5 IDENTITY_VAL_LOCAL is correct */
}
#endif
sprintf(last_id, "%d", conn_res->last_insert_id);
#if PHP_8_1_OR_HIGHER
last_id_zstr = zend_string_init(last_id, strlen(last_id), 0);
efree(last_id);
return last_id_zstr;
#else
*len = strlen(last_id);
return last_id;
#endif
}
/* fetch the supplemental error material */
static NO_STATUS_RETURN_TYPE ibm_handle_fetch_error(
pdo_dbh_t *dbh,
pdo_stmt_t *stmt,
zval *info)
{
conn_handle *conn_res = (conn_handle *)dbh->driver_data;
char suppliment[512];
if(conn_res->error_data.failure_name == NULL && conn_res->error_data.filename == NULL) {
conn_res->error_data.filename="(null)";
conn_res->error_data.failure_name="(null)";
}
if(conn_res->error_data.isam_err_msg[0] != '\0') {
sprintf(suppliment, "%s (%s[%d] at %s:%d) ISAM: %s",
conn_res->error_data.err_msg, /* an associated message */
conn_res->error_data.failure_name, /* the routine name */
conn_res->error_data.sqlcode, /* native error code of the failure */
conn_res->error_data.filename, /* source file of the reported error */
conn_res->error_data.lineno, /* location of the reported error */
conn_res->error_data.isam_err_msg); /* ISAM Error message */
} else {
sprintf(suppliment, "%s (%s[%d] at %s:%d)",
conn_res->error_data.err_msg, /* an associated message */
conn_res->error_data.failure_name, /* the routine name */
conn_res->error_data.sqlcode, /* native error code of the failure */
conn_res->error_data.filename, /* source file of the reported error */
conn_res->error_data.lineno); /* location of the reported error */
}
/*
* Now add the error information. These need to be added
* in a specific order
*/
add_next_index_long(info, conn_res->error_data.sqlcode);
add_next_index_string(info, suppliment);
#if !PHP_8_1_OR_HIGHER
return TRUE;
#endif
}
/* quotes an SQL statement */
#if PHP_8_1_OR_HIGHER
static zend_string* ibm_handle_quoter(
pdo_dbh_t *dbh,
const zend_string *unquoted,
enum pdo_param_type paramtype)
#else
static int ibm_handle_quoter(
pdo_dbh_t *dbh,
const char *unq,
size_t unq_len,
char **q,
size_t *q_len,
enum pdo_param_type paramtype)
#endif
{
char *sql;
size_t new_length, i, j;
#if PHP_8_1_OR_HIGHER
/* keep the logic close to the pre-8.1 version w/ compat vars */
const char *unq = ZSTR_VAL(unquoted);
size_t unq_len = ZSTR_LEN(unquoted);
zend_string *quoted;
#endif
size_t len;
#if PHP_8_1_OR_HIGHER
/* AFAIK we can't get a non-null unquoted */
if (unq_len == 0) {
return zend_string_init("''", 2, 0);
}
#else
if(!unq) {
return FALSE;
}
#endif
/* allocate twice the source length first (worst case) */
sql = (char*)emalloc(((unq_len*2)+3)*sizeof(char));
/* set the first quote */
sql[0] = '\'';
j = 1;
for (i = 0; i < unq_len; i++) {
switch (unq[i]) {
case '\'':
sql[j++] = '\'';
sql[j++] = '\'';
break;
default:
sql[j++] = unq[i];
break;
}
}
/* set the last quote and null terminating character */
sql[j++] = '\'';
sql[j++] = '\0';
/* copy over final string and free the memory used */
#if PHP_8_1_OR_HIGHER
quoted = zend_string_init(sql, strlen(sql), 0);
efree(sql);
return quoted;
#else
*q = (char*)emalloc(((unq_len*2)+3)*sizeof(char));
strcpy(*q, sql);
*q_len = strlen(sql);
efree(sql);
return TRUE;
#endif
}
/* Get the driver attributes. We return the autocommit and version information. */
static int ibm_handle_get_attribute(
pdo_dbh_t *dbh,
zend_long attr,
zval *return_value)
{
char value[MAX_DBMS_IDENTIFIER_NAME];
int rc;
conn_handle *conn_res = (conn_handle *) dbh->driver_data;
SQLINTEGER tc_flag;
char info_user_id[USERID_LEN];
char info_acctstr[ACCTSTR_LEN];
char info_appl_name[APPLNAME_LEN];
char info_wrkstn_name[WRKSTNNAME_LEN];
int length;
#ifdef PASE /* i5/os release dependent check */
unsigned char server_info[30];
SQLSMALLINT server_len = 0;
/* for the IBM i attribs */
SQLINTEGER sqlBoolean = SQL_FALSE;
#endif /* PASE */
switch (attr) {
case PDO_ATTR_CLIENT_VERSION:
ZVAL_STRING(return_value, PDO_IBM_VERSION);
return TRUE;
case PDO_ATTR_AUTOCOMMIT:
ZVAL_BOOL(return_value, dbh->auto_commit);
return TRUE;
case PDO_ATTR_SERVER_INFO:
rc = SQLGetInfo(conn_res->hdbc, SQL_DBMS_NAME,
(SQLPOINTER)value, MAX_DBMS_IDENTIFIER_NAME, NULL);
check_dbh_error(rc, "SQLGetInfo");
ZVAL_STRING(return_value, value);
return TRUE;
#ifdef PASE /* i5/os release dependent check */
case PDO_ATTR_SERVER_VERSION:
rc = SQLGetInfo(conn_res->hdbc, SQL_DBMS_VER,
(SQLPOINTER)server_info, sizeof(server_info), &server_len);
check_dbh_error(rc, "SQLGetInfo");
ZVAL_STRING(return_value, server_info);
return TRUE;
#endif /* PASE */
#ifndef PASE /* i5/OS no support trusted */
case PDO_SQL_ATTR_USE_TRUSTED_CONTEXT:
rc = SQLGetConnectAttr(conn_res->hdbc, SQL_ATTR_USE_TRUSTED_CONTEXT,
(SQLPOINTER) &tc_flag, 0, NULL);
check_dbh_error(rc, "SQLGetInfo");
if(tc_flag == SQL_TRUE) {
ZVAL_BOOL(return_value, tc_flag);
return TRUE;
}
case PDO_SQL_ATTR_TRUSTED_CONTEXT_USERID:
rc = SQLGetConnectAttr(conn_res->hdbc, SQL_ATTR_TRUSTED_CONTEXT_USERID,
(SQLPOINTER)value, MAX_DBMS_IDENTIFIER_NAME, NULL);
check_dbh_error(rc, "SQLGetInfo");
ZVAL_STRING(return_value, value);
return TRUE;
#endif
/* Get Client Info */
case PDO_SQL_ATTR_INFO_USERID:
rc = SQLGetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_INFO_USERID,
(SQLPOINTER) &info_user_id, USERID_LEN, &length);
check_dbh_error(rc, "SQLGetInfo");
if(length < USERID_LEN) {
info_user_id[length] = '\0';
}
ZVAL_STRING(return_value, info_user_id);
return TRUE;
case PDO_SQL_ATTR_INFO_ACCTSTR:
rc = SQLGetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_INFO_ACCTSTR,
(SQLPOINTER) &info_acctstr, ACCTSTR_LEN, &length);
check_dbh_error(rc, "SQLGetInfo");
if(length < ACCTSTR_LEN) {
info_acctstr[length] = '\0';
}
ZVAL_STRING(return_value, info_acctstr);
return TRUE;
case PDO_SQL_ATTR_INFO_APPLNAME:
rc = SQLGetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_INFO_APPLNAME,
(SQLPOINTER) &info_appl_name, APPLNAME_LEN, &length);
check_dbh_error(rc, "SQLGetInfo");
if(length < APPLNAME_LEN) {
info_appl_name[length] = '\0';
}
ZVAL_STRING(return_value, info_appl_name);
return TRUE;
case PDO_SQL_ATTR_INFO_WRKSTNNAME:
rc = SQLGetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_INFO_WRKSTNNAME,
(SQLPOINTER) &info_wrkstn_name, WRKSTNNAME_LEN, &length);
check_dbh_error(rc, "SQLGetInfo");
if(length < WRKSTNNAME_LEN) {
info_wrkstn_name[length] = '\0';
}
ZVAL_STRING(return_value, info_wrkstn_name);
return TRUE;
#ifdef PASE /* IBM i specific settings, explained in setAttribute */
case PDO_I5_ATTR_DBC_SYS_NAMING:
rc = SQLGetConnectAttr((SQLHDBC) conn_res->hdbc, SQL_ATTR_DBC_SYS_NAMING, (SQLPOINTER) &sqlBoolean, 0, NULL);
check_dbh_error(rc, "SQLGetConnectAttr");
ZVAL_BOOL(return_value, sqlBoolean);
return TRUE;
/* TODO: case PDO_I5_ATTR_COMMIT: */
/* TODO: case PDO_I5_ATTR_JOB_SORT: */
/* prob no libl/curlib, since they're accessible by SQL */
#endif
}
return FALSE;
}
#if PHP_8_1_OR_HIGHER
static zend_result ibm_handle_check_liveness(pdo_dbh_t *dbh)
#else