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oci8.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Stig Sæther Bakken <[email protected]> |
| Thies C. Arntzen <[email protected]> |
| Maxim Maletsky <[email protected]> |
| |
| Collection support by Andy Sautins <[email protected]> |
| Temporary LOB support by David Benson <[email protected]> |
| ZTS per process OCIPLogon by Harald Radi <[email protected]> |
| |
| Redesigned by: Antony Dovgal <[email protected]> |
| Andi Gutmans <[email protected]> |
| Wez Furlong <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "ext/standard/info.h"
#include "php_ini.h"
#include "zend_smart_str.h"
#ifdef HAVE_OCI8
/* PHP 5.2 is the minimum supported version for OCI8 2.0 */
#if PHP_MAJOR_VERSION < 5 || (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION <= 1)
#error Use PHP OCI8 1.4 for your version of PHP
#elif PHP_MAJOR_VERSION < 7
/* PHP 7 is the minimum supported version for OCI8 2.1 */
#error Use PHP OCI8 2.0 for your version of PHP
#elif PHP_MAJOR_VERSION < 8
/* PHP 8 is the minimum supported version for OCI8 3.0 */
#error Use PHP OCI8 2.2 for your version of PHP
#endif
#include "php_oci8.h"
#include "php_oci8_int.h"
#include "zend_hash.h"
ZEND_DECLARE_MODULE_GLOBALS(oci)
static PHP_GINIT_FUNCTION(oci);
static PHP_GSHUTDOWN_FUNCTION(oci);
/* Allow PHP 5.3 branch to be used in PECL for 5.x compatible builds */
#ifndef Z_ADDREF_P
#define Z_ADDREF_P(x) ZVAL_ADDREF(x)
#endif
/* For a user friendly message about environment setup */
#if defined(PHP_WIN32)
#define PHP_OCI8_LIB_PATH_MSG "PATH"
#elif defined(__APPLE__)
#define PHP_OCI8_LIB_PATH_MSG "DYLD_LIBRARY_PATH"
#elif defined(_AIX)
#define PHP_OCI8_LIB_PATH_MSG "LIBPATH"
#elif defined(__hpux)
#define PHP_OCI8_LIB_PATH_MSG "SHLIB_PATH"
#else
#define PHP_OCI8_LIB_PATH_MSG "LD_LIBRARY_PATH"
#endif
/* True globals, no need for thread safety */
int le_connection;
int le_pconnection;
int le_statement;
int le_descriptor;
int le_psessionpool;
int le_collection;
zend_class_entry *oci_lob_class_entry_ptr;
zend_class_entry *oci_coll_class_entry_ptr;
#ifndef SQLT_BFILEE
#define SQLT_BFILEE 114
#endif
#ifndef SQLT_CFILEE
#define SQLT_CFILEE 115
#endif
#ifdef ZTS
#define PHP_OCI_INIT_MODE (OCI_DEFAULT | OCI_OBJECT | OCI_THREADED | OCI_NO_MUTEX)
#else
#define PHP_OCI_INIT_MODE (OCI_DEFAULT | OCI_OBJECT)
#endif
/* {{{ static protos */
static void php_oci_connection_list_dtor (zend_resource *);
static void php_oci_pconnection_list_dtor (zend_resource *);
static void php_oci_pconnection_list_np_dtor (zend_resource *);
static void php_oci_statement_list_dtor (zend_resource *);
static void php_oci_descriptor_list_dtor (zend_resource *);
static void php_oci_spool_list_dtor(zend_resource *entry);
static void php_oci_collection_list_dtor (zend_resource *);
static int php_oci_persistent_helper(zval *zv);
static int php_oci_connection_ping(php_oci_connection *);
static int php_oci_connection_status(php_oci_connection *);
static int php_oci_connection_close(php_oci_connection *);
static void php_oci_spool_close(php_oci_spool *session_pool);
static OCIEnv *php_oci_create_env(ub2 charsetid);
static int php_oci_create_session(php_oci_connection *connection, php_oci_spool *session_pool, char *dbname, int dbname_len, char *username, int username_len, char *password, int password_len, char *new_password, int new_password_len, int session_mode);
static int php_oci_old_create_session(php_oci_connection *connection, char *dbname, int dbname_len, char *username, int username_len, char *password, int password_len, char *new_password, int new_password_len, int session_mode);
static php_oci_spool *php_oci_get_spool(char *username, int username_len, char *password, int password_len, char *dbname, int dbname_len, int charsetid);
static php_oci_spool *php_oci_create_spool(char *username, int username_len, char *password, int password_len, char *dbname, int dbname_len, zend_string *hash_key, int charsetid);
static sword php_oci_ping_init(php_oci_connection *connection, OCIError *errh);
/* }}} */
/* {{{ dynamically loadable module stuff */
#if defined(COMPILE_DL_OCI8) || defined(COMPILE_DL_OCI8_11G) || defined(COMPILE_DL_OCI8_12C) || defined(COMPILE_DL_OCI8_19)
ZEND_GET_MODULE(oci8)
#endif /* COMPILE_DL */
/* }}} */
#include "oci8_arginfo.h"
/* {{{ extension definition structures */
zend_module_entry oci8_module_entry = {
STANDARD_MODULE_HEADER,
"oci8", /* extension name */
ext_functions, /* extension function list */
PHP_MINIT(oci), /* extension-wide startup function */
PHP_MSHUTDOWN(oci), /* extension-wide shutdown function */
PHP_RINIT(oci), /* per-request startup function */
PHP_RSHUTDOWN(oci), /* per-request shutdown function */
PHP_MINFO(oci), /* information function */
PHP_OCI8_VERSION,
PHP_MODULE_GLOBALS(oci), /* globals descriptor */
PHP_GINIT(oci), /* globals ctor */
PHP_GSHUTDOWN(oci), /* globals dtor */
NULL, /* post deactivate */
STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */
/* {{{ PHP_INI */
PHP_INI_BEGIN()
STD_PHP_INI_ENTRY( "oci8.max_persistent", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_persistent, zend_oci_globals, oci_globals)
STD_PHP_INI_ENTRY( "oci8.persistent_timeout", "-1", PHP_INI_SYSTEM, OnUpdateLong, persistent_timeout, zend_oci_globals, oci_globals)
STD_PHP_INI_ENTRY( "oci8.ping_interval", "60", PHP_INI_SYSTEM, OnUpdateLong, ping_interval, zend_oci_globals, oci_globals)
STD_PHP_INI_BOOLEAN("oci8.privileged_connect", "0", PHP_INI_SYSTEM, OnUpdateBool, privileged_connect, zend_oci_globals, oci_globals)
STD_PHP_INI_ENTRY( "oci8.statement_cache_size", "20", PHP_INI_SYSTEM, OnUpdateLong, statement_cache_size, zend_oci_globals, oci_globals)
STD_PHP_INI_ENTRY( "oci8.default_prefetch", "100", PHP_INI_SYSTEM, OnUpdateLong, default_prefetch, zend_oci_globals, oci_globals)
STD_PHP_INI_BOOLEAN("oci8.old_oci_close_semantics", "0", PHP_INI_SYSTEM, OnUpdateBool, old_oci_close_semantics,zend_oci_globals, oci_globals)
#if (OCI_MAJOR_VERSION >= 11)
STD_PHP_INI_ENTRY( "oci8.connection_class", "", PHP_INI_ALL, OnUpdateString, connection_class, zend_oci_globals, oci_globals)
#endif
#if ((OCI_MAJOR_VERSION > 10) || ((OCI_MAJOR_VERSION == 10) && (OCI_MINOR_VERSION >= 2)))
STD_PHP_INI_BOOLEAN("oci8.events", "0", PHP_INI_SYSTEM, OnUpdateBool, events, zend_oci_globals, oci_globals)
#endif
PHP_INI_END()
/* }}} */
/* {{{ startup, shutdown and info functions */
/* {{{ php_oci_init_global_handles()
*
* Initialize global handles only when they are needed
*/
static void php_oci_init_global_handles(void)
{
sword errstatus;
sb4 ora_error_code = 0;
text tmp_buf[PHP_OCI_ERRBUF_LEN]; /* Use traditional smaller size: non-PL/SQL errors should fit and it keeps the stack smaller */
errstatus = OCIEnvNlsCreate(&OCI_G(env), PHP_OCI_INIT_MODE, 0, NULL, NULL, NULL, 0, NULL, 0, 0);
if (errstatus == OCI_ERROR) {
#ifdef HAVE_OCI_INSTANT_CLIENT
php_error_docref(NULL, E_WARNING, "OCIEnvNlsCreate() failed. There is something wrong with your system - please check that " PHP_OCI8_LIB_PATH_MSG " includes the directory with Oracle Instant Client libraries");
#else
php_error_docref(NULL, E_WARNING, "OCIEnvNlsCreate() failed. There is something wrong with your system - please check that ORACLE_HOME and " PHP_OCI8_LIB_PATH_MSG " are set and point to the right directories");
#endif
if (OCI_G(env)
&& OCIErrorGet(OCI_G(env), (ub4)1, NULL, &ora_error_code, tmp_buf, (ub4)PHP_OCI_ERRBUF_LEN, (ub4)OCI_HTYPE_ENV) == OCI_SUCCESS
&& *tmp_buf) {
php_error_docref(NULL, E_WARNING, "%s", tmp_buf);
}
OCI_G(env) = NULL;
OCI_G(err) = NULL;
return;
}
errstatus = OCIHandleAlloc (OCI_G(env), (dvoid **)&OCI_G(err), OCI_HTYPE_ERROR, 0, NULL);
if (errstatus == OCI_SUCCESS) {
#if !defined(OCI_MAJOR_VERSION) || (OCI_MAJOR_VERSION < 11)
/* This fixes PECL bug 15988 (sqlnet.ora not being read). The
* root cause was fixed in Oracle 10.2.0.4 but there is no
* compile time method to check for that precise patch level,
* nor can it be guaranteed that runtime will use the same
* patch level the code was compiled with. So, we do this
* code for all non 11g versions.
*/
OCICPool *cpoolh;
ub4 cpoolmode = 0x80000000; /* Pass invalid mode to OCIConnectionPoolCreate */
PHP_OCI_CALL(OCIHandleAlloc, (OCI_G(env), (dvoid **) &cpoolh, OCI_HTYPE_CPOOL, (size_t) 0, (dvoid **) 0));
PHP_OCI_CALL(OCIConnectionPoolCreate, (OCI_G(env), OCI_G(err), cpoolh, NULL, 0, NULL, 0, 0, 0, 0, NULL, 0, NULL, 0, cpoolmode));
PHP_OCI_CALL(OCIConnectionPoolDestroy, (cpoolh, OCI_G(err), OCI_DEFAULT));
PHP_OCI_CALL(OCIHandleFree, (cpoolh, OCI_HTYPE_CPOOL));
#endif
} else {
OCIErrorGet(OCI_G(env), (ub4)1, NULL, &ora_error_code, tmp_buf, (ub4)PHP_OCI_ERRBUF_LEN, (ub4)OCI_HTYPE_ERROR);
if (ora_error_code) {
int tmp_buf_len = (int) strlen((char *)tmp_buf);
if (tmp_buf_len > 0 && tmp_buf[tmp_buf_len - 1] == '\n') {
tmp_buf[tmp_buf_len - 1] = '\0';
}
if (errstatus == OCI_SUCCESS_WITH_INFO) {
php_error_docref(NULL, E_WARNING, "Initialization error: OCI_SUCCESS_WITH_INFO: %s", tmp_buf);
} else {
php_error_docref(NULL, E_WARNING, "Initialization error: OCI_ERROR: %s", tmp_buf);
OCIHandleFree((dvoid *) OCI_G(env), OCI_HTYPE_ENV);
OCI_G(env) = NULL;
OCI_G(err) = NULL;
}
}
}
}
/* }}} */
/* {{{ php_oci_cleanup_global_handles()
*
* Free global handles (if they were initialized before)
*/
static void php_oci_cleanup_global_handles(void)
{
if (OCI_G(err)) {
PHP_OCI_CALL(OCIHandleFree, ((dvoid *) OCI_G(err), OCI_HTYPE_ERROR));
OCI_G(err) = NULL;
}
if (OCI_G(env)) {
PHP_OCI_CALL(OCIHandleFree, ((dvoid *) OCI_G(env), OCI_HTYPE_ENV));
OCI_G(env) = NULL;
}
}
/* }}} */
/* {{{ PHP_GINIT_FUNCTION
*
* Zerofill globals during module init
*/
static PHP_GINIT_FUNCTION(oci)
{
memset(oci_globals, 0, sizeof(zend_oci_globals));
}
/* }}} */
/* {{{ PHP_GSHUTDOWN_FUNCTION
*
* Called for thread shutdown in ZTS, after module shutdown for non-ZTS
*/
static PHP_GSHUTDOWN_FUNCTION(oci)
{
php_oci_cleanup_global_handles();
}
/* }}} */
PHP_MINIT_FUNCTION(oci)
{
REGISTER_INI_ENTRIES();
le_statement = zend_register_list_destructors_ex(php_oci_statement_list_dtor, NULL, "oci8 statement", module_number);
le_connection = zend_register_list_destructors_ex(php_oci_connection_list_dtor, NULL, "oci8 connection", module_number);
le_pconnection = zend_register_list_destructors_ex(php_oci_pconnection_list_np_dtor, php_oci_pconnection_list_dtor, "oci8 persistent connection", module_number);
le_psessionpool = zend_register_list_destructors_ex(NULL, php_oci_spool_list_dtor, "oci8 persistent session pool", module_number);
le_descriptor = zend_register_list_destructors_ex(php_oci_descriptor_list_dtor, NULL, "oci8 descriptor", module_number);
le_collection = zend_register_list_destructors_ex(php_oci_collection_list_dtor, NULL, "oci8 collection", module_number);
oci_lob_class_entry_ptr = register_class_OCILob();
oci_coll_class_entry_ptr = register_class_OCICollection();
/* [email protected] 990203 i do not think that we will need all of them - just in here for completeness for now! */
REGISTER_LONG_CONSTANT("OCI_DEFAULT",OCI_DEFAULT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_SYSOPER",OCI_SYSOPER, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_SYSDBA",OCI_SYSDBA, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_CRED_EXT",PHP_OCI_CRED_EXT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_DESCRIBE_ONLY",OCI_DESCRIBE_ONLY, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_COMMIT_ON_SUCCESS",OCI_COMMIT_ON_SUCCESS, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_NO_AUTO_COMMIT",OCI_DEFAULT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_EXACT_FETCH",OCI_EXACT_FETCH, CONST_CS | CONST_PERSISTENT);
/* for $LOB->seek() */
REGISTER_LONG_CONSTANT("OCI_SEEK_SET",PHP_OCI_SEEK_SET, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_SEEK_CUR",PHP_OCI_SEEK_CUR, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_SEEK_END",PHP_OCI_SEEK_END, CONST_CS | CONST_PERSISTENT);
/* for $LOB->flush() */
REGISTER_LONG_CONSTANT("OCI_LOB_BUFFER_FREE",OCI_LOB_BUFFER_FREE, CONST_CS | CONST_PERSISTENT);
/* for OCIBindByName (real "oci" names + short "php" names */
REGISTER_LONG_CONSTANT("SQLT_BFILEE",SQLT_BFILEE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_CFILEE",SQLT_CFILEE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_CLOB",SQLT_CLOB, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_BLOB",SQLT_BLOB, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_RDD",SQLT_RDD, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_INT",SQLT_INT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_NUM",SQLT_NUM, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_RSET",SQLT_RSET, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_AFC",SQLT_AFC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_CHR",SQLT_CHR, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_VCS",SQLT_VCS, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_AVC",SQLT_AVC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_STR",SQLT_STR, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_LVC",SQLT_LVC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_FLT",SQLT_FLT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_UIN",SQLT_UIN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_LNG",SQLT_LNG, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_LBI",SQLT_LBI, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_BIN",SQLT_BIN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_ODT",SQLT_ODT, CONST_CS | CONST_PERSISTENT);
#if defined(HAVE_OCI_INSTANT_CLIENT) || (defined(OCI_MAJOR_VERSION) && OCI_MAJOR_VERSION >= 10)
REGISTER_LONG_CONSTANT("SQLT_BDOUBLE",SQLT_BDOUBLE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_BFLOAT",SQLT_BFLOAT, CONST_CS | CONST_PERSISTENT);
#endif
#if defined(OCI_MAJOR_VERSION) && OCI_MAJOR_VERSION >= 12
REGISTER_LONG_CONSTANT("SQLT_BOL",SQLT_BOL, CONST_CS | CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("OCI_B_NTY",SQLT_NTY, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SQLT_NTY",SQLT_NTY, CONST_CS | CONST_PERSISTENT);
REGISTER_STRING_CONSTANT("OCI_SYSDATE","SYSDATE", CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_B_BFILE",SQLT_BFILEE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_B_CFILEE",SQLT_CFILEE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_B_CLOB",SQLT_CLOB, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_B_BLOB",SQLT_BLOB, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_B_ROWID",SQLT_RDD, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_B_CURSOR",SQLT_RSET, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_B_BIN",SQLT_BIN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_B_INT",SQLT_INT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_B_NUM",SQLT_NUM, CONST_CS | CONST_PERSISTENT);
#if defined(OCI_MAJOR_VERSION) && OCI_MAJOR_VERSION >= 12
REGISTER_LONG_CONSTANT("OCI_B_BOL",SQLT_BOL, CONST_CS | CONST_PERSISTENT);
#endif
/* for OCIFetchStatement */
REGISTER_LONG_CONSTANT("OCI_FETCHSTATEMENT_BY_COLUMN", PHP_OCI_FETCHSTATEMENT_BY_COLUMN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_FETCHSTATEMENT_BY_ROW", PHP_OCI_FETCHSTATEMENT_BY_ROW, CONST_CS | CONST_PERSISTENT);
/* for OCIFetchInto & OCIResult */
REGISTER_LONG_CONSTANT("OCI_ASSOC",PHP_OCI_ASSOC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_NUM",PHP_OCI_NUM, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_BOTH",PHP_OCI_BOTH, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_RETURN_NULLS",PHP_OCI_RETURN_NULLS, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_RETURN_LOBS",PHP_OCI_RETURN_LOBS, CONST_CS | CONST_PERSISTENT);
/* for OCINewDescriptor (real "oci" names + short "php" names */
REGISTER_LONG_CONSTANT("OCI_DTYPE_FILE",OCI_DTYPE_FILE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_DTYPE_LOB",OCI_DTYPE_LOB, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_DTYPE_ROWID",OCI_DTYPE_ROWID, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_D_FILE",OCI_DTYPE_FILE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_D_LOB",OCI_DTYPE_LOB, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_D_ROWID",OCI_DTYPE_ROWID, CONST_CS | CONST_PERSISTENT);
/* for OCIWriteTemporaryLob */
REGISTER_LONG_CONSTANT("OCI_TEMP_CLOB",OCI_TEMP_CLOB, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_TEMP_BLOB",OCI_TEMP_BLOB, CONST_CS | CONST_PERSISTENT);
/* for Transparent Application Failover */
REGISTER_LONG_CONSTANT("OCI_FO_END", OCI_FO_END, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_FO_ABORT", OCI_FO_ABORT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_FO_REAUTH", OCI_FO_REAUTH, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_FO_BEGIN", OCI_FO_BEGIN, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_FO_ERROR", OCI_FO_ERROR, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_FO_NONE", OCI_FO_NONE, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_FO_SESSION", OCI_FO_SESSION, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_FO_SELECT", OCI_FO_SELECT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_FO_TXNAL", OCI_FO_TXNAL, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OCI_FO_RETRY", OCI_FO_RETRY, CONST_CS | CONST_PERSISTENT);
return SUCCESS;
}
PHP_RINIT_FUNCTION(oci)
{
OCI_G(num_links) = OCI_G(num_persistent);
OCI_G(errcode) = 0;
OCI_G(edition) = NULL;
return SUCCESS;
}
PHP_MSHUTDOWN_FUNCTION(oci)
{
OCI_G(shutdown) = 1;
UNREGISTER_INI_ENTRIES();
return SUCCESS;
}
PHP_RSHUTDOWN_FUNCTION(oci)
{
/* Check persistent connections and do the necessary actions if needed. If persistent_helper is
* unable to process a pconnection because of a refcount, the processing would happen from
* np-destructor which is called when refcount goes to zero - php_oci_pconnection_list_np_dtor
*/
zend_hash_apply(&EG(persistent_list), php_oci_persistent_helper);
if (OCI_G(edition)) {
efree(OCI_G(edition));
}
return SUCCESS;
}
PHP_MINFO_FUNCTION(oci)
{
char buf[32];
#if ((OCI_MAJOR_VERSION > 10) || ((OCI_MAJOR_VERSION == 10) && (OCI_MINOR_VERSION >= 2)))
char ver[256];
#endif
php_info_print_table_start();
php_info_print_table_row(2, "OCI8 Support", "enabled");
#if defined(HAVE_OCI8_DTRACE)
php_info_print_table_row(2, "OCI8 DTrace Support", "enabled");
#else
php_info_print_table_row(2, "OCI8 DTrace Support", "disabled");
#endif
php_info_print_table_row(2, "OCI8 Version", PHP_OCI8_VERSION);
#if ((OCI_MAJOR_VERSION > 10) || ((OCI_MAJOR_VERSION == 10) && (OCI_MINOR_VERSION >= 2)))
php_oci_client_get_version(ver, sizeof(ver));
php_info_print_table_row(2, "Oracle Run-time Client Library Version", ver);
#else
php_info_print_table_row(2, "Oracle Run-time Client Library Version", "Unknown");
#endif
#if defined(OCI_MAJOR_VERSION) && defined(OCI_MINOR_VERSION)
snprintf(buf, sizeof(buf), "%d.%d", OCI_MAJOR_VERSION, OCI_MINOR_VERSION);
#elif defined(PHP_OCI8_ORACLE_VERSION)
snprintf(buf, sizeof(buf), "%s", PHP_OCI8_ORACLE_VERSION);
#else
snprintf(buf, sizeof(buf), "Unknown");
#endif
#if defined(HAVE_OCI_INSTANT_CLIENT)
php_info_print_table_row(2, "Oracle Compile-time Instant Client Version", buf);
#else
php_info_print_table_row(2, "Oracle Compile-time Version", buf);
#endif
#if !defined(PHP_WIN32) && !defined(HAVE_OCI_INSTANT_CLIENT)
#if defined(PHP_OCI8_DEF_DIR)
php_info_print_table_row(2, "Compile-time ORACLE_HOME", PHP_OCI8_DEF_DIR);
#endif
#if defined(PHP_OCI8_DEF_SHARED_LIBADD)
php_info_print_table_row(2, "Libraries Used", PHP_OCI8_DEF_SHARED_LIBADD);
#endif
#endif
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
php_info_print_table_start();
php_info_print_table_header(2, "Statistics", "");
snprintf(buf, sizeof(buf), ZEND_LONG_FMT, OCI_G(num_persistent));
php_info_print_table_row(2, "Active Persistent Connections", buf);
snprintf(buf, sizeof(buf), ZEND_LONG_FMT, OCI_G(num_links));
php_info_print_table_row(2, "Active Connections", buf);
php_info_print_table_end();
}
/* }}} */
/* {{{ list destructors */
/* {{{ php_oci_connection_list_dtor()
*
* Non-persistent connection destructor
*/
static void php_oci_connection_list_dtor(zend_resource *entry)
{
php_oci_connection *connection = (php_oci_connection *)entry->ptr;
if (connection) {
php_oci_connection_close(connection);
OCI_G(num_links)--;
}
}
/* }}} */
/* {{{ php_oci_pconnection_list_dtor()
*
* Persistent connection destructor
*/
static void php_oci_pconnection_list_dtor(zend_resource *entry)
{
php_oci_connection *connection = (php_oci_connection *)entry->ptr;
if (connection) {
php_oci_connection_close(connection);
OCI_G(num_persistent)--;
OCI_G(num_links)--;
}
}
/* }}} */
/* {{{ php_oci_pconnection_list_np_dtor()
*
* Non-Persistent destructor for persistent connection - This gets invoked when
* the refcount of this goes to zero in the regular list
*/
static void php_oci_pconnection_list_np_dtor(zend_resource *entry)
{
php_oci_connection *connection = (php_oci_connection *)entry->ptr;
zval *zvp;
zend_resource *le;
/*
* We cannot get connection as NULL or as a stub in this function. This is the function that
* turns a pconnection to a stub
*
* If oci_password_change() changed the password of a persistent connection, close the
* connection and remove it from the persistent connection cache. This means subsequent scripts
* will be prevented from being able to present the old (now invalid) password to a usable
* connection to the database; they must use the new password.
*
* Check for conditions that warrant removal of the hash entry
*/
if (!connection->is_open ||
connection->passwd_changed ||
(PG(connection_status) & PHP_CONNECTION_TIMEOUT) ||
OCI_G(in_call)) {
/* Remove the hash entry if present */
if (connection->hash_key) {
zvp = zend_hash_find(&EG(persistent_list), connection->hash_key);
le = zvp ? Z_RES_P(zvp) : NULL;
if (le != NULL && le->type == le_pconnection && le->ptr == connection) {
zend_hash_del(&EG(persistent_list), connection->hash_key);
}
else {
php_oci_connection_close(connection);
OCI_G(num_persistent)--;
}
}
#ifdef HAVE_OCI8_DTRACE
if (DTRACE_OCI8_CONNECT_P_DTOR_CLOSE_ENABLED()) {
DTRACE_OCI8_CONNECT_P_DTOR_CLOSE(connection);
}
#endif /* HAVE_OCI8_DTRACE */
} else {
/*
* Release the connection to underlying pool. We do this unconditionally so that
* out-of-scope pconnects are now consistent with oci_close and out-of-scope new connect
* semantics. With the PECL OCI 1.3.x extensions, we release pconnections when oci_close
* takes the refcount to zero.
*
* If oci_old_close_semantics is set, we artificially bump up the refcount and decremented
* only at request shutdown.
*/
php_oci_connection_release(connection);
#ifdef HAVE_OCI8_DTRACE
if (DTRACE_OCI8_CONNECT_P_DTOR_RELEASE_ENABLED()) {
DTRACE_OCI8_CONNECT_P_DTOR_RELEASE(connection);
}
#endif /* HAVE_OCI8_DTRACE */
}
}
/* }}} */
/* {{{ php_oci_statement_list_dtor()
*
* Statement destructor
*/
static void php_oci_statement_list_dtor(zend_resource *entry)
{
php_oci_statement *statement = (php_oci_statement *)entry->ptr;
php_oci_statement_free(statement);
}
/* }}} */
/* {{{ php_oci_descriptor_list_dtor()
*
* Descriptor destructor
*/
static void php_oci_descriptor_list_dtor(zend_resource *entry)
{
php_oci_descriptor *descriptor = (php_oci_descriptor *)entry->ptr;
php_oci_lob_free(descriptor);
}
/* }}} */
/* {{{ php_oci_collection_list_dtor()
*
* Collection destructor
*/
static void php_oci_collection_list_dtor(zend_resource *entry)
{
php_oci_collection *collection = (php_oci_collection *)entry->ptr;
php_oci_collection_close(collection);
}
/* }}} */
/* }}} */
/* {{{ Hash Destructors */
/* {{{ php_oci_define_hash_dtor()
*
* Define hash destructor
*/
void php_oci_define_hash_dtor(zval *data)
{
php_oci_define *define = (php_oci_define *) Z_PTR_P(data);
if (define->name) {
efree(define->name);
define->name = NULL;
}
zval_ptr_dtor(&define->val);
efree(define);
}
/* }}} */
/* {{{ php_oci_bind_hash_dtor()
*
* Bind hash destructor
*/
void php_oci_bind_hash_dtor(zval *data)
{
php_oci_bind *bind = (php_oci_bind *) Z_PTR_P(data);
if (!Z_ISUNDEF(bind->val)) {
zval_ptr_dtor(&bind->val);
ZVAL_UNDEF(&bind->val);
}
if (bind->array.elements) {
efree(bind->array.elements);
bind->array.elements = NULL;
}
if (bind->array.element_lengths) {
efree(bind->array.element_lengths);
bind->array.element_lengths = NULL;
}
if (bind->array.indicators) {
efree(bind->array.indicators);
bind->array.indicators = NULL;
}
efree(bind);
}
/* }}} */
/* {{{ php_oci_column_hash_dtor()
*
* Column hash destructor
*/
void php_oci_column_hash_dtor(zval *data)
{
php_oci_out_column *column = (php_oci_out_column *) Z_PTR_P(data);
if (column->stmtid) {
zend_list_close(column->stmtid);
}
if (column->descid) {
if (GC_REFCOUNT(column->descid) == 1)
zend_list_close(column->descid);
else {
GC_DELREF(column->descid);
}
}
if (column->data) {
efree(column->data);
}
if (column->name) {
efree(column->name);
}
efree(column);
}
/* }}} */
/* {{{ php_oci_descriptor_flush_hash_dtor()
*
* Flush descriptors on commit
*/
void php_oci_descriptor_flush_hash_dtor(zval *data)
{
php_oci_descriptor *descriptor = (php_oci_descriptor *) Z_PTR_P(data);
if (descriptor && descriptor->buffering == PHP_OCI_LOB_BUFFER_USED && (descriptor->type == OCI_DTYPE_LOB || descriptor->type == OCI_DTYPE_FILE)) {
php_oci_lob_flush(descriptor, OCI_LOB_BUFFER_FREE);
descriptor->buffering = PHP_OCI_LOB_BUFFER_ENABLED;
}
data = NULL;
}
/* }}} */
/* }}} */
/* {{{ php_oci_connection_descriptors_free()
*
* Free descriptors for a connection
*/
void php_oci_connection_descriptors_free(php_oci_connection *connection)
{
zend_hash_destroy(connection->descriptors);
efree(connection->descriptors);
connection->descriptors = NULL;
connection->descriptor_count = 0;
}
/* }}} */
/* {{{ php_oci_error()
*
* Fetch & print out error message if we get an error
* Returns an Oracle error number
*/
sb4 php_oci_error(OCIError *err_p, sword errstatus)
{
text errbuf[PHP_OCI_ERRBUF_LEN];
sb4 errcode = 0; /* Oracle error number */
switch (errstatus) {
case OCI_SUCCESS:
break;
case OCI_SUCCESS_WITH_INFO:
errcode = php_oci_fetch_errmsg(err_p, errbuf, sizeof(errbuf));
if (errcode) {
php_error_docref(NULL, E_WARNING, "OCI_SUCCESS_WITH_INFO: %s", errbuf);
} else {
php_error_docref(NULL, E_WARNING, "OCI_SUCCESS_WITH_INFO: failed to fetch error message");
}
break;
case OCI_NEED_DATA:
php_error_docref(NULL, E_WARNING, "OCI_NEED_DATA");
break;
case OCI_NO_DATA:
errcode = php_oci_fetch_errmsg(err_p, errbuf, sizeof(errbuf));
if (errcode) {
php_error_docref(NULL, E_WARNING, "%s", errbuf);
} else {
php_error_docref(NULL, E_WARNING, "OCI_NO_DATA: failed to fetch error message");
}
break;
case OCI_ERROR:
errcode = php_oci_fetch_errmsg(err_p, errbuf, sizeof(errbuf));
if (errcode) {
php_error_docref(NULL, E_WARNING, "%s", errbuf);
} else {
php_error_docref(NULL, E_WARNING, "Failed to fetch error message");
}
break;
case OCI_INVALID_HANDLE:
php_error_docref(NULL, E_WARNING, "OCI_INVALID_HANDLE");
break;
case OCI_STILL_EXECUTING:
php_error_docref(NULL, E_WARNING, "OCI_STILL_EXECUTING");
break;
case OCI_CONTINUE:
php_error_docref(NULL, E_WARNING, "OCI_CONTINUE");
break;
default:
php_error_docref(NULL, E_WARNING, "Unknown OCI error code: %d", errstatus);
break;
}
#ifdef HAVE_OCI8_DTRACE
if (DTRACE_OCI8_ERROR_ENABLED()) {
DTRACE_OCI8_ERROR((int)errstatus, (long)errcode);
}
#endif /* HAVE_OCI8_DTRACE */
return errcode;
}
/* }}} */
/* {{{ php_oci_fetch_errmsg()
*
* Fetch error message into the buffer from the error handle provided
*/
sb4 php_oci_fetch_errmsg(OCIError *error_handle, text *error_buf, size_t error_buf_size)
{
sb4 error_code = 0;
PHP_OCI_CALL(OCIErrorGet, (error_handle, (ub4)1, NULL, &error_code, error_buf, (ub4)error_buf_size, (ub4)OCI_HTYPE_ERROR));
if (error_code) {
int err_buf_len = (int) strlen((char *)error_buf);
if (err_buf_len && error_buf[err_buf_len - 1] == '\n') {
error_buf[err_buf_len - 1] = '\0';
}
}
return error_code;
}
/* }}} */
/* {{{ php_oci_fetch_sqltext_offset()
*
* Compute offset in the SQL statement
*/
int php_oci_fetch_sqltext_offset(php_oci_statement *statement, text **sqltext, ub2 *error_offset)
{
sword errstatus;
*sqltext = NULL;
*error_offset = 0;
PHP_OCI_CALL_RETURN(errstatus, OCIAttrGet, ((dvoid *)statement->stmt, OCI_HTYPE_STMT, (dvoid *) sqltext, (ub4 *)0, OCI_ATTR_STATEMENT, statement->err));
if (errstatus != OCI_SUCCESS) {
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
PHP_OCI_CALL_RETURN(errstatus, OCIAttrGet, ((dvoid *)statement->stmt, OCI_HTYPE_STMT, (ub2 *)error_offset, (ub4 *)0, OCI_ATTR_PARSE_ERROR_OFFSET, statement->err));
if (errstatus != OCI_SUCCESS) {
statement->errcode = php_oci_error(statement->err, errstatus);
PHP_OCI_HANDLE_ERROR(statement->connection, statement->errcode);
return 1;
}
return 0;
}
/* }}} */
/* {{{ php_oci_do_connect()
*
* Connect wrapper
*/
void php_oci_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent, int exclusive)
{
php_oci_connection *connection;
char *username, *password;
char *dbname = NULL, *charset = NULL;
size_t username_len = 0, password_len = 0;
size_t dbname_len = 0, charset_len = 0;
zend_long session_mode = OCI_DEFAULT;
/* if a fourth parameter is handed over, it is the charset identifier (but is only used in Oracle 9i+) */
ZEND_PARSE_PARAMETERS_START(2, 5)
Z_PARAM_STRING(username, username_len)
Z_PARAM_STRING(password, password_len)
Z_PARAM_OPTIONAL
Z_PARAM_STRING_OR_NULL(dbname, dbname_len)
Z_PARAM_STRING(charset, charset_len)
Z_PARAM_LONG(session_mode)
ZEND_PARSE_PARAMETERS_END();
#ifdef HAVE_OCI8_DTRACE
if (DTRACE_OCI8_CONNECT_ENTRY_ENABLED()) {
DTRACE_OCI8_CONNECT_ENTRY(username, dbname, charset, session_mode, persistent, exclusive);
}
#endif /* HAVE_OCI8_DTRACE */
if (!charset_len) {
charset = NULL;
}
connection = php_oci_do_connect_ex(username, (int) username_len, password, (int) password_len, NULL, 0, dbname, (int) dbname_len, charset, session_mode, persistent, exclusive);
#ifdef HAVE_OCI8_DTRACE
if (DTRACE_OCI8_CONNECT_RETURN_ENABLED()) {
DTRACE_OCI8_CONNECT_RETURN(connection);
}
#endif /* HAVE_OCI8_DTRACE */
if (!connection) {
RETURN_FALSE;
}
RETURN_RES(connection->id);
}
/* }}} */
/* {{{ php_oci_do_connect_ex()
*
* The real connect function. Allocates all the resources needed, establishes the connection and
* returns the result handle (or NULL)
*/
php_oci_connection *php_oci_do_connect_ex(char *username, int username_len, char *password, int password_len, char *new_password, int new_password_len, char *dbname, int dbname_len, char *charset, zend_long session_mode, int persistent, int exclusive)
{
zval *zvp;
zend_resource *le = NULL;
zend_resource new_le;
php_oci_connection *connection = NULL;
smart_str hashed_details = {0};
time_t timestamp;
php_oci_spool *session_pool = NULL;
bool use_spool = 1; /* Default is to use client-side session pool */
bool ping_done = 0;
ub2 charsetid = 0;
ub2 charsetid_nls_lang = 0;
if (session_mode & ~(OCI_SYSOPER | OCI_SYSDBA | PHP_OCI_CRED_EXT)) {
php_error_docref(NULL, E_WARNING, "Invalid session mode specified (" ZEND_LONG_FMT ")", session_mode);
return NULL;
}
if (session_mode & (OCI_SYSOPER | OCI_SYSDBA | PHP_OCI_CRED_EXT)) {
if ((session_mode & OCI_SYSOPER) && (session_mode & OCI_SYSDBA)) {
php_error_docref(NULL, E_WARNING, "OCI_SYSDBA and OCI_SYSOPER cannot be used together");
return NULL;
}
if (session_mode & PHP_OCI_CRED_EXT) {
#ifdef PHP_WIN32
/* Disable external authentication on Windows as Impersonation is not yet handled.
* TODO: Re-enable this once OCI provides capability.
*/
php_error_docref(NULL, E_WARNING, "External Authentication is not supported on Windows");
return NULL;
#endif
if (username_len != 1 || username[0] != '/' || password_len != 0) {
php_error_docref(NULL, E_WARNING, "OCI_CRED_EXT can only be used with a username of \"/\" and a NULL password");
return NULL;
}
}
if (session_mode & (OCI_SYSOPER | OCI_SYSDBA)) {
/* Increase security by not caching privileged oci_pconnect() connections. The
* connection becomes equivalent to oci_connect() or oci_new_connect().
*/
persistent = 0;
if (!OCI_G(privileged_connect)) {
php_error_docref(NULL, E_WARNING, "Privileged connect is disabled. Enable oci8.privileged_connect to be able to connect as SYSOPER or SYSDBA");
return NULL;
}
}
}
/* Initialize global handles if they weren't initialized before */
if (OCI_G(env) == NULL) {
php_oci_init_global_handles();
if (OCI_G(env) == NULL) {
return NULL;
}
}
/* We cannot use the new session create logic (OCISessionGet from
* client-side session pool) when privileged connect or password
* change is attempted or OCI_CRED_EXT mode is specified.
* TODO: Re-enable this when OCI provides support.
*/
if ((session_mode & (OCI_SYSOPER | OCI_SYSDBA | PHP_OCI_CRED_EXT)) || (new_password_len)) {
use_spool = 0;
}
smart_str_appendl_ex(&hashed_details, "oci8***", sizeof("oci8***") - 1, 0);
smart_str_appendl_ex(&hashed_details, username, username_len, 0);
smart_str_appendl_ex(&hashed_details, "**", sizeof("**") - 1, 0);
/* DRCP: connection_class is an attribute of a connection */
if (OCI_G(connection_class)){
smart_str_appendl_ex(&hashed_details, OCI_G(connection_class), strlen(OCI_G(connection_class)), 0);
}
smart_str_appendl_ex(&hashed_details, "**", sizeof("**") - 1, 0);
/* Add edition attribute to the hash */
if (OCI_G(edition)){
smart_str_appendl_ex(&hashed_details, OCI_G(edition), strlen(OCI_G(edition)), 0);
}
smart_str_appendl_ex(&hashed_details, "**", sizeof("**") - 1, 0);
if (password_len) {
zend_ulong password_hash;
password_hash = zend_hash_func(password, password_len);
smart_str_append_unsigned_ex(&hashed_details, password_hash, 0);
}
smart_str_appendl_ex(&hashed_details, "**", sizeof("**") - 1, 0);
if (dbname) {