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pdo_dbh.c
1610 lines (1367 loc) · 48.2 KB
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pdo_dbh.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2013 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: |
| http://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 |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Wez Furlong <wez@php.net> |
| Marcus Boerger <helly@php.net> |
| Sterling Hughes <sterling@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/* The PDO Database Handle Class */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_pdo.h"
#include "php_pdo_driver.h"
#include "php_pdo_int.h"
#include "zend_exceptions.h"
#include "zend_object_handlers.h"
#include "zend_hash.h"
static int pdo_dbh_attribute_set(pdo_dbh_t *dbh, long attr, zval *value TSRMLS_DC);
void pdo_raise_impl_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt, const char *sqlstate, const char *supp TSRMLS_DC) /* {{{ */
{
pdo_error_type *pdo_err = &dbh->error_code;
char *message = NULL;
const char *msg;
if (dbh && dbh->error_mode == PDO_ERRMODE_SILENT) {
#if 0
/* BUG: if user is running in silent mode and hits an error at the driver level
* when they use the PDO methods to call up the error information, they may
* get bogus information */
return;
#endif
}
if (stmt) {
pdo_err = &stmt->error_code;
}
strncpy(*pdo_err, sqlstate, 6);
/* hash sqlstate to error messages */
msg = pdo_sqlstate_state_to_description(*pdo_err);
if (!msg) {
msg = "<<Unknown error>>";
}
if (supp) {
spprintf(&message, 0, "SQLSTATE[%s]: %s: %s", *pdo_err, msg, supp);
} else {
spprintf(&message, 0, "SQLSTATE[%s]: %s", *pdo_err, msg);
}
if (dbh && dbh->error_mode != PDO_ERRMODE_EXCEPTION) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", message);
} else {
zval *ex, *info;
zend_class_entry *def_ex = php_pdo_get_exception_base(1 TSRMLS_CC), *pdo_ex = php_pdo_get_exception();
MAKE_STD_ZVAL(ex);
object_init_ex(ex, pdo_ex);
zend_update_property_string(def_ex, ex, "message", sizeof("message")-1, message TSRMLS_CC);
zend_update_property_string(def_ex, ex, "code", sizeof("code")-1, *pdo_err TSRMLS_CC);
MAKE_STD_ZVAL(info);
array_init(info);
add_next_index_string(info, *pdo_err, 1);
add_next_index_long(info, 0);
zend_update_property(pdo_ex, ex, "errorInfo", sizeof("errorInfo")-1, info TSRMLS_CC);
zval_ptr_dtor(&info);
zend_throw_exception_object(ex TSRMLS_CC);
}
if (message) {
efree(message);
}
}
/* }}} */
void pdo_handle_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
{
pdo_error_type *pdo_err = &dbh->error_code;
const char *msg = "<<Unknown>>";
char *supp = NULL;
long native_code = 0;
char *message = NULL;
zval *info = NULL;
if (dbh == NULL || dbh->error_mode == PDO_ERRMODE_SILENT) {
return;
}
if (stmt) {
pdo_err = &stmt->error_code;
}
/* hash sqlstate to error messages */
msg = pdo_sqlstate_state_to_description(*pdo_err);
if (!msg) {
msg = "<<Unknown error>>";
}
if (dbh->methods->fetch_err) {
MAKE_STD_ZVAL(info);
array_init(info);
add_next_index_string(info, *pdo_err, 1);
if (dbh->methods->fetch_err(dbh, stmt, info TSRMLS_CC)) {
zval **item;
if (SUCCESS == zend_hash_index_find(Z_ARRVAL_P(info), 1, (void**)&item)) {
native_code = Z_LVAL_PP(item);
}
if (SUCCESS == zend_hash_index_find(Z_ARRVAL_P(info), 2, (void**)&item)) {
supp = estrndup(Z_STRVAL_PP(item), Z_STRLEN_PP(item));
}
}
}
if (supp) {
spprintf(&message, 0, "SQLSTATE[%s]: %s: %ld %s", *pdo_err, msg, native_code, supp);
} else {
spprintf(&message, 0, "SQLSTATE[%s]: %s", *pdo_err, msg);
}
if (dbh->error_mode == PDO_ERRMODE_WARNING) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", message);
} else if (EG(exception) == NULL) {
zval *ex;
zend_class_entry *def_ex = php_pdo_get_exception_base(1 TSRMLS_CC), *pdo_ex = php_pdo_get_exception();
MAKE_STD_ZVAL(ex);
object_init_ex(ex, pdo_ex);
zend_update_property_string(def_ex, ex, "message", sizeof("message")-1, message TSRMLS_CC);
zend_update_property_string(def_ex, ex, "code", sizeof("code")-1, *pdo_err TSRMLS_CC);
if (info) {
zend_update_property(pdo_ex, ex, "errorInfo", sizeof("errorInfo")-1, info TSRMLS_CC);
}
zend_throw_exception_object(ex TSRMLS_CC);
}
if (info) {
zval_ptr_dtor(&info);
}
if (message) {
efree(message);
}
if (supp) {
efree(supp);
}
}
/* }}} */
static char *dsn_from_uri(char *uri, char *buf, size_t buflen TSRMLS_DC) /* {{{ */
{
php_stream *stream;
char *dsn = NULL;
stream = php_stream_open_wrapper(uri, "rb", ENFORCE_SAFE_MODE|REPORT_ERRORS, NULL);
if (stream) {
dsn = php_stream_get_line(stream, buf, buflen, NULL);
php_stream_close(stream);
}
return dsn;
}
/* }}} */
/* {{{ proto void PDO::__construct(string dsn, string username, string passwd [, array options])
*/
static PHP_METHOD(PDO, dbh_constructor)
{
zval *object = getThis();
pdo_dbh_t *dbh = NULL;
zend_bool is_persistent = FALSE;
char *data_source;
int data_source_len;
char *colon;
char *username=NULL, *password=NULL;
int usernamelen, passwordlen;
pdo_driver_t *driver = NULL;
zval *options = NULL;
char alt_dsn[512];
int call_factory = 1;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|s!s!a!", &data_source, &data_source_len,
&username, &usernamelen, &password, &passwordlen, &options)) {
ZVAL_NULL(object);
return;
}
/* parse the data source name */
colon = strchr(data_source, ':');
if (!colon) {
/* let's see if this string has a matching dsn in the php.ini */
char *ini_dsn = NULL;
snprintf(alt_dsn, sizeof(alt_dsn), "pdo.dsn.%s", data_source);
if (FAILURE == cfg_get_string(alt_dsn, &ini_dsn)) {
zend_throw_exception_ex(php_pdo_get_exception(), 0 TSRMLS_CC, "invalid data source name");
ZVAL_NULL(object);
return;
}
data_source = ini_dsn;
colon = strchr(data_source, ':');
if (!colon) {
zend_throw_exception_ex(php_pdo_get_exception(), 0 TSRMLS_CC, "invalid data source name (via INI: %s)", alt_dsn);
ZVAL_NULL(object);
return;
}
}
if (!strncmp(data_source, "uri:", sizeof("uri:")-1)) {
/* the specified URI holds connection details */
data_source = dsn_from_uri(data_source + sizeof("uri:")-1, alt_dsn, sizeof(alt_dsn) TSRMLS_CC);
if (!data_source) {
zend_throw_exception_ex(php_pdo_get_exception(), 0 TSRMLS_CC, "invalid data source URI");
ZVAL_NULL(object);
return;
}
colon = strchr(data_source, ':');
if (!colon) {
zend_throw_exception_ex(php_pdo_get_exception(), 0 TSRMLS_CC, "invalid data source name (via URI)");
ZVAL_NULL(object);
return;
}
}
driver = pdo_find_driver(data_source, colon - data_source);
if (!driver) {
/* NB: don't want to include the data_source in the error message as
* it might contain a password */
zend_throw_exception_ex(php_pdo_get_exception(), 0 TSRMLS_CC, "could not find driver");
ZVAL_NULL(object);
return;
}
dbh = (pdo_dbh_t *) zend_object_store_get_object(object TSRMLS_CC);
/* is this supposed to be a persistent connection ? */
if (options) {
zval **v;
int plen = 0;
char *hashkey = NULL;
zend_rsrc_list_entry *le;
pdo_dbh_t *pdbh = NULL;
if (SUCCESS == zend_hash_index_find(Z_ARRVAL_P(options), PDO_ATTR_PERSISTENT, (void**)&v)) {
if (Z_TYPE_PP(v) == IS_STRING && !is_numeric_string(Z_STRVAL_PP(v), Z_STRLEN_PP(v), NULL, NULL, 0) && Z_STRLEN_PP(v) > 0) {
/* user specified key */
plen = spprintf(&hashkey, 0, "PDO:DBH:DSN=%s:%s:%s:%s", data_source,
username ? username : "",
password ? password : "",
Z_STRVAL_PP(v));
is_persistent = 1;
} else {
convert_to_long_ex(v);
is_persistent = Z_LVAL_PP(v) ? 1 : 0;
plen = spprintf(&hashkey, 0, "PDO:DBH:DSN=%s:%s:%s", data_source,
username ? username : "",
password ? password : "");
}
}
if (is_persistent) {
/* let's see if we have one cached.... */
if (SUCCESS == zend_hash_find(&EG(persistent_list), hashkey, plen+1, (void*)&le)) {
if (Z_TYPE_P(le) == php_pdo_list_entry()) {
pdbh = (pdo_dbh_t*)le->ptr;
/* is the connection still alive ? */
if (pdbh->methods->check_liveness && FAILURE == (pdbh->methods->check_liveness)(pdbh TSRMLS_CC)) {
/* nope... need to kill it */
pdbh = NULL;
}
}
}
if (pdbh) {
call_factory = 0;
} else {
/* need a brand new pdbh */
pdbh = pecalloc(1, sizeof(*pdbh), 1);
if (!pdbh) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "out of memory while allocating PDO handle");
/* NOTREACHED */
}
pdbh->is_persistent = 1;
if (!(pdbh->persistent_id = pemalloc(plen + 1, 1))) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "out of memory while allocating PDO handle");
}
memcpy((char *)pdbh->persistent_id, hashkey, plen+1);
pdbh->persistent_id_len = plen+1;
pdbh->refcount = 1;
pdbh->properties = NULL;
}
}
if (pdbh) {
/* let's copy the emalloc bits over from the other handle */
if (pdbh->properties) {
zend_hash_destroy(dbh->properties);
efree(dbh->properties);
} else {
pdbh->ce = dbh->ce;
pdbh->def_stmt_ce = dbh->def_stmt_ce;
pdbh->def_stmt_ctor_args = dbh->def_stmt_ctor_args;
pdbh->properties = dbh->properties;
}
/* kill the non-persistent thingamy */
efree(dbh);
/* switch over to the persistent one */
dbh = pdbh;
zend_object_store_set_object(object, dbh TSRMLS_CC);
dbh->refcount++;
}
if (hashkey) {
efree(hashkey);
}
}
if (call_factory) {
dbh->data_source_len = strlen(colon + 1);
dbh->data_source = (const char*)pestrdup(colon + 1, is_persistent);
dbh->username = username ? pestrdup(username, is_persistent) : NULL;
dbh->password = password ? pestrdup(password, is_persistent) : NULL;
dbh->default_fetch_type = PDO_FETCH_BOTH;
}
dbh->auto_commit = pdo_attr_lval(options, PDO_ATTR_AUTOCOMMIT, 1 TSRMLS_CC);
if (!dbh->data_source || (username && !dbh->username) || (password && !dbh->password)) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "out of memory");
}
if (!call_factory) {
/* we got a persistent guy from our cache */
goto options;
}
if (driver->db_handle_factory(dbh, options TSRMLS_CC)) {
/* all set */
if (is_persistent) {
zend_rsrc_list_entry le;
/* register in the persistent list etc. */
/* we should also need to replace the object store entry,
since it was created with emalloc */
le.type = php_pdo_list_entry();
le.ptr = dbh;
if (FAILURE == zend_hash_update(&EG(persistent_list),
(char*)dbh->persistent_id, dbh->persistent_id_len, (void*)&le,
sizeof(le), NULL)) {
php_error_docref(NULL TSRMLS_CC, E_ERROR, "Failed to register persistent entry");
}
}
dbh->driver = driver;
options:
if (options) {
zval **attr_value;
char *str_key;
long long_key;
zend_hash_internal_pointer_reset(Z_ARRVAL_P(options));
while (SUCCESS == zend_hash_get_current_data(Z_ARRVAL_P(options), (void**)&attr_value)
&& HASH_KEY_IS_LONG == zend_hash_get_current_key(Z_ARRVAL_P(options), &str_key, &long_key, 0)) {
pdo_dbh_attribute_set(dbh, long_key, *attr_value TSRMLS_CC);
zend_hash_move_forward(Z_ARRVAL_P(options));
}
}
return;
}
/* the connection failed; things will tidy up in free_storage */
/* XXX raise exception */
ZVAL_NULL(object);
}
/* }}} */
static zval *pdo_stmt_instantiate(pdo_dbh_t *dbh, zval *object, zend_class_entry *dbstmt_ce, zval *ctor_args TSRMLS_DC) /* {{{ */
{
if (ctor_args) {
if (Z_TYPE_P(ctor_args) != IS_ARRAY) {
pdo_raise_impl_error(dbh, NULL, "HY000", "constructor arguments must be passed as an array" TSRMLS_CC);
return NULL;
}
if (!dbstmt_ce->constructor) {
pdo_raise_impl_error(dbh, NULL, "HY000", "user-supplied statement does not accept constructor arguments" TSRMLS_CC);
return NULL;
}
}
Z_TYPE_P(object) = IS_OBJECT;
object_init_ex(object, dbstmt_ce);
Z_SET_REFCOUNT_P(object, 1);
Z_SET_ISREF_P(object);
return object;
} /* }}} */
static void pdo_stmt_construct(pdo_stmt_t *stmt, zval *object, zend_class_entry *dbstmt_ce, zval *ctor_args TSRMLS_DC) /* {{{ */
{
zval *query_string;
zval z_key;
MAKE_STD_ZVAL(query_string);
ZVAL_STRINGL(query_string, stmt->query_string, stmt->query_stringlen, 1);
ZVAL_STRINGL(&z_key, "queryString", sizeof("queryString")-1, 0);
std_object_handlers.write_property(object, &z_key, query_string TSRMLS_CC);
zval_ptr_dtor(&query_string);
if (dbstmt_ce->constructor) {
zend_fcall_info fci;
zend_fcall_info_cache fcc;
zval *retval;
fci.size = sizeof(zend_fcall_info);
fci.function_table = &dbstmt_ce->function_table;
fci.function_name = NULL;
fci.object_ptr = object;
fci.symbol_table = NULL;
fci.retval_ptr_ptr = &retval;
if (ctor_args) {
HashTable *ht = Z_ARRVAL_P(ctor_args);
Bucket *p;
fci.param_count = 0;
fci.params = safe_emalloc(sizeof(zval*), ht->nNumOfElements, 0);
p = ht->pListHead;
while (p != NULL) {
fci.params[fci.param_count++] = (zval**)p->pData;
p = p->pListNext;
}
} else {
fci.param_count = 0;
fci.params = NULL;
}
fci.no_separation = 1;
fcc.initialized = 1;
fcc.function_handler = dbstmt_ce->constructor;
fcc.calling_scope = EG(scope);
fcc.called_scope = Z_OBJCE_P(object);
fcc.object_ptr = object;
if (zend_call_function(&fci, &fcc TSRMLS_CC) == FAILURE) {
zval_dtor(object);
ZVAL_NULL(object);
object = NULL; /* marks failure */
} else {
zval_ptr_dtor(&retval);
}
if (fci.params) {
efree(fci.params);
}
}
}
/* }}} */
/* {{{ proto object PDO::prepare(string statment [, array options])
Prepares a statement for execution and returns a statement object */
static PHP_METHOD(PDO, prepare)
{
pdo_dbh_t *dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
pdo_stmt_t *stmt;
char *statement;
int statement_len;
zval *options = NULL, **opt, **item, *ctor_args;
zend_class_entry *dbstmt_ce, **pce;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|a", &statement,
&statement_len, &options)) {
RETURN_FALSE;
}
PDO_DBH_CLEAR_ERR();
PDO_CONSTRUCT_CHECK;
if (ZEND_NUM_ARGS() > 1 && SUCCESS == zend_hash_index_find(Z_ARRVAL_P(options), PDO_ATTR_STATEMENT_CLASS, (void**)&opt)) {
if (Z_TYPE_PP(opt) != IS_ARRAY || zend_hash_index_find(Z_ARRVAL_PP(opt), 0, (void**)&item) == FAILURE
|| Z_TYPE_PP(item) != IS_STRING
|| zend_lookup_class(Z_STRVAL_PP(item), Z_STRLEN_PP(item), &pce TSRMLS_CC) == FAILURE
) {
pdo_raise_impl_error(dbh, NULL, "HY000",
"PDO::ATTR_STATEMENT_CLASS requires format array(classname, array(ctor_args)); "
"the classname must be a string specifying an existing class"
TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
RETURN_FALSE;
}
dbstmt_ce = *pce;
if (!instanceof_function(dbstmt_ce, pdo_dbstmt_ce TSRMLS_CC)) {
pdo_raise_impl_error(dbh, NULL, "HY000",
"user-supplied statement class must be derived from PDOStatement" TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
RETURN_FALSE;
}
if (dbstmt_ce->constructor && !(dbstmt_ce->constructor->common.fn_flags & (ZEND_ACC_PRIVATE|ZEND_ACC_PROTECTED))) {
pdo_raise_impl_error(dbh, NULL, "HY000",
"user-supplied statement class cannot have a public constructor" TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
RETURN_FALSE;
}
if (zend_hash_index_find(Z_ARRVAL_PP(opt), 1, (void**)&item) == SUCCESS) {
if (Z_TYPE_PP(item) != IS_ARRAY) {
pdo_raise_impl_error(dbh, NULL, "HY000",
"PDO::ATTR_STATEMENT_CLASS requires format array(classname, ctor_args); "
"ctor_args must be an array"
TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
RETURN_FALSE;
}
ctor_args = *item;
} else {
ctor_args = NULL;
}
} else {
dbstmt_ce = dbh->def_stmt_ce;
ctor_args = dbh->def_stmt_ctor_args;
}
if (!pdo_stmt_instantiate(dbh, return_value, dbstmt_ce, ctor_args TSRMLS_CC)) {
pdo_raise_impl_error(dbh, NULL, "HY000",
"failed to instantiate user-supplied statement class"
TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
RETURN_FALSE;
}
stmt = (pdo_stmt_t*)zend_object_store_get_object(return_value TSRMLS_CC);
/* unconditionally keep this for later reference */
stmt->query_string = estrndup(statement, statement_len);
stmt->query_stringlen = statement_len;
stmt->default_fetch_type = dbh->default_fetch_type;
stmt->dbh = dbh;
/* give it a reference to me */
zend_objects_store_add_ref(getThis() TSRMLS_CC);
php_pdo_dbh_addref(dbh TSRMLS_CC);
stmt->database_object_handle = *getThis();
/* we haven't created a lazy object yet */
ZVAL_NULL(&stmt->lazy_object_ref);
if (dbh->methods->preparer(dbh, statement, statement_len, stmt, options TSRMLS_CC)) {
pdo_stmt_construct(stmt, return_value, dbstmt_ce, ctor_args TSRMLS_CC);
return;
}
PDO_HANDLE_DBH_ERR();
/* kill the object handle for the stmt here */
zval_dtor(return_value);
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool PDO::beginTransaction()
Initiates a transaction */
static PHP_METHOD(PDO, beginTransaction)
{
pdo_dbh_t *dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
PDO_CONSTRUCT_CHECK;
if (dbh->in_txn) {
zend_throw_exception_ex(php_pdo_get_exception(), 0 TSRMLS_CC, "There is already an active transaction");
RETURN_FALSE;
}
if (!dbh->methods->begin) {
/* TODO: this should be an exception; see the auto-commit mode
* comments below */
zend_throw_exception_ex(php_pdo_get_exception(), 0 TSRMLS_CC, "This driver doesn't support transactions");
RETURN_FALSE;
}
if (dbh->methods->begin(dbh TSRMLS_CC)) {
dbh->in_txn = 1;
RETURN_TRUE;
}
PDO_HANDLE_DBH_ERR();
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool PDO::commit()
Commit a transaction */
static PHP_METHOD(PDO, commit)
{
pdo_dbh_t *dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
PDO_CONSTRUCT_CHECK;
if (!dbh->in_txn) {
zend_throw_exception_ex(php_pdo_get_exception(), 0 TSRMLS_CC, "There is no active transaction");
RETURN_FALSE;
}
if (dbh->methods->commit(dbh TSRMLS_CC)) {
dbh->in_txn = 0;
RETURN_TRUE;
}
PDO_HANDLE_DBH_ERR();
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool PDO::rollBack()
roll back a transaction */
static PHP_METHOD(PDO, rollBack)
{
pdo_dbh_t *dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
PDO_CONSTRUCT_CHECK;
if (!dbh->in_txn) {
zend_throw_exception_ex(php_pdo_get_exception(), 0 TSRMLS_CC, "There is no active transaction");
RETURN_FALSE;
}
if (dbh->methods->rollback(dbh TSRMLS_CC)) {
dbh->in_txn = 0;
RETURN_TRUE;
}
PDO_HANDLE_DBH_ERR();
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool PDO::inTransaction()
determine if inside a transaction */
static PHP_METHOD(PDO, inTransaction)
{
pdo_dbh_t *dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
if (zend_parse_parameters_none() == FAILURE) {
return;
}
PDO_CONSTRUCT_CHECK;
RETURN_BOOL(dbh->in_txn);
}
/* }}} */
static int pdo_dbh_attribute_set(pdo_dbh_t *dbh, long attr, zval *value TSRMLS_DC) /* {{{ */
{
#define PDO_LONG_PARAM_CHECK \
if (Z_TYPE_P(value) != IS_LONG && Z_TYPE_P(value) != IS_STRING && Z_TYPE_P(value) != IS_BOOL) { \
pdo_raise_impl_error(dbh, NULL, "HY000", "attribute value must be an integer" TSRMLS_CC); \
PDO_HANDLE_DBH_ERR(); \
return FAILURE; \
} \
switch (attr) {
case PDO_ATTR_ERRMODE:
PDO_LONG_PARAM_CHECK;
convert_to_long(value);
switch (Z_LVAL_P(value)) {
case PDO_ERRMODE_SILENT:
case PDO_ERRMODE_WARNING:
case PDO_ERRMODE_EXCEPTION:
dbh->error_mode = Z_LVAL_P(value);
return SUCCESS;
default:
pdo_raise_impl_error(dbh, NULL, "HY000", "invalid error mode" TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
return FAILURE;
}
return FAILURE;
case PDO_ATTR_CASE:
PDO_LONG_PARAM_CHECK;
convert_to_long(value);
switch (Z_LVAL_P(value)) {
case PDO_CASE_NATURAL:
case PDO_CASE_UPPER:
case PDO_CASE_LOWER:
dbh->desired_case = Z_LVAL_P(value);
return SUCCESS;
default:
pdo_raise_impl_error(dbh, NULL, "HY000", "invalid case folding mode" TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
return FAILURE;
}
return FAILURE;
case PDO_ATTR_ORACLE_NULLS:
PDO_LONG_PARAM_CHECK;
convert_to_long(value);
dbh->oracle_nulls = Z_LVAL_P(value);
return SUCCESS;
case PDO_ATTR_DEFAULT_FETCH_MODE:
if (Z_TYPE_P(value) == IS_ARRAY) {
zval **tmp;
if (zend_hash_index_find(Z_ARRVAL_P(value), 0, (void**)&tmp) == SUCCESS && Z_TYPE_PP(tmp) == IS_LONG) {
if (Z_LVAL_PP(tmp) == PDO_FETCH_INTO || Z_LVAL_PP(tmp) == PDO_FETCH_CLASS) {
pdo_raise_impl_error(dbh, NULL, "HY000", "FETCH_INTO and FETCH_CLASS are not yet supported as default fetch modes" TSRMLS_CC);
return FAILURE;
}
}
} else {
PDO_LONG_PARAM_CHECK;
}
convert_to_long(value);
if (Z_LVAL_P(value) == PDO_FETCH_USE_DEFAULT) {
pdo_raise_impl_error(dbh, NULL, "HY000", "invalid fetch mode type" TSRMLS_CC);
return FAILURE;
}
dbh->default_fetch_type = Z_LVAL_P(value);
return SUCCESS;
case PDO_ATTR_STRINGIFY_FETCHES:
PDO_LONG_PARAM_CHECK;
convert_to_long(value);
dbh->stringify = Z_LVAL_P(value) ? 1 : 0;
return SUCCESS;
case PDO_ATTR_STATEMENT_CLASS: {
/* array(string classname, array(mixed ctor_args)) */
zend_class_entry **pce;
zval **item;
if (dbh->is_persistent) {
pdo_raise_impl_error(dbh, NULL, "HY000",
"PDO::ATTR_STATEMENT_CLASS cannot be used with persistent PDO instances"
TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
return FAILURE;
}
if (Z_TYPE_P(value) != IS_ARRAY
|| zend_hash_index_find(Z_ARRVAL_P(value), 0, (void**)&item) == FAILURE
|| Z_TYPE_PP(item) != IS_STRING
|| zend_lookup_class(Z_STRVAL_PP(item), Z_STRLEN_PP(item), &pce TSRMLS_CC) == FAILURE
) {
pdo_raise_impl_error(dbh, NULL, "HY000",
"PDO::ATTR_STATEMENT_CLASS requires format array(classname, array(ctor_args)); "
"the classname must be a string specifying an existing class"
TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
return FAILURE;
}
if (!instanceof_function(*pce, pdo_dbstmt_ce TSRMLS_CC)) {
pdo_raise_impl_error(dbh, NULL, "HY000",
"user-supplied statement class must be derived from PDOStatement" TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
return FAILURE;
}
if ((*pce)->constructor && !((*pce)->constructor->common.fn_flags & (ZEND_ACC_PRIVATE|ZEND_ACC_PROTECTED))) {
pdo_raise_impl_error(dbh, NULL, "HY000",
"user-supplied statement class cannot have a public constructor" TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
return FAILURE;
}
dbh->def_stmt_ce = *pce;
if (dbh->def_stmt_ctor_args) {
zval_ptr_dtor(&dbh->def_stmt_ctor_args);
dbh->def_stmt_ctor_args = NULL;
}
if (zend_hash_index_find(Z_ARRVAL_P(value), 1, (void**)&item) == SUCCESS) {
if (Z_TYPE_PP(item) != IS_ARRAY) {
pdo_raise_impl_error(dbh, NULL, "HY000",
"PDO::ATTR_STATEMENT_CLASS requires format array(classname, array(ctor_args)); "
"ctor_args must be an array"
TSRMLS_CC);
PDO_HANDLE_DBH_ERR();
return FAILURE;
}
Z_ADDREF_PP(item);
dbh->def_stmt_ctor_args = *item;
}
return SUCCESS;
}
default:
;
}
if (!dbh->methods->set_attribute) {
goto fail;
}
PDO_DBH_CLEAR_ERR();
if (dbh->methods->set_attribute(dbh, attr, value TSRMLS_CC)) {
return SUCCESS;
}
fail:
if (attr == PDO_ATTR_AUTOCOMMIT) {
zend_throw_exception_ex(php_pdo_get_exception(), 0 TSRMLS_CC, "The auto-commit mode cannot be changed for this driver");
} else if (!dbh->methods->set_attribute) {
pdo_raise_impl_error(dbh, NULL, "IM001", "driver does not support setting attributes" TSRMLS_CC);
} else {
PDO_HANDLE_DBH_ERR();
}
return FAILURE;
}
/* }}} */
/* {{{ proto bool PDO::setAttribute(long attribute, mixed value)
Set an attribute */
static PHP_METHOD(PDO, setAttribute)
{
pdo_dbh_t *dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
long attr;
zval *value;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lz", &attr, &value)) {
RETURN_FALSE;
}
PDO_DBH_CLEAR_ERR();
PDO_CONSTRUCT_CHECK;
if (pdo_dbh_attribute_set(dbh, attr, value TSRMLS_CC) != FAILURE) {
RETURN_TRUE;
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto mixed PDO::getAttribute(long attribute)
Get an attribute */
static PHP_METHOD(PDO, getAttribute)
{
pdo_dbh_t *dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
long attr;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &attr)) {
RETURN_FALSE;
}
PDO_DBH_CLEAR_ERR();
PDO_CONSTRUCT_CHECK;
/* handle generic PDO-level atributes */
switch (attr) {
case PDO_ATTR_PERSISTENT:
RETURN_BOOL(dbh->is_persistent);
case PDO_ATTR_CASE:
RETURN_LONG(dbh->desired_case);
case PDO_ATTR_ORACLE_NULLS:
RETURN_LONG(dbh->oracle_nulls);
case PDO_ATTR_ERRMODE:
RETURN_LONG(dbh->error_mode);
case PDO_ATTR_DRIVER_NAME:
RETURN_STRINGL((char*)dbh->driver->driver_name, dbh->driver->driver_name_len, 1);
case PDO_ATTR_STATEMENT_CLASS:
array_init(return_value);
add_next_index_string(return_value, dbh->def_stmt_ce->name, 1);
if (dbh->def_stmt_ctor_args) {
Z_ADDREF_P(dbh->def_stmt_ctor_args);
add_next_index_zval(return_value, dbh->def_stmt_ctor_args);
}
return;
case PDO_ATTR_DEFAULT_FETCH_MODE:
RETURN_LONG(dbh->default_fetch_type);
}
if (!dbh->methods->get_attribute) {
pdo_raise_impl_error(dbh, NULL, "IM001", "driver does not support getting attributes" TSRMLS_CC);
RETURN_FALSE;
}
switch (dbh->methods->get_attribute(dbh, attr, return_value TSRMLS_CC)) {
case -1:
PDO_HANDLE_DBH_ERR();
RETURN_FALSE;
case 0:
pdo_raise_impl_error(dbh, NULL, "IM001", "driver does not support that attribute" TSRMLS_CC);
RETURN_FALSE;
default:
return;
}
}
/* }}} */
/* {{{ proto long PDO::exec(string query)
Execute a query that does not return a row set, returning the number of affected rows */
static PHP_METHOD(PDO, exec)
{
pdo_dbh_t *dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
char *statement;
int statement_len;
long ret;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &statement, &statement_len)) {
RETURN_FALSE;
}
if (!statement_len) {
pdo_raise_impl_error(dbh, NULL, "HY000", "trying to execute an empty query" TSRMLS_CC);
RETURN_FALSE;
}
PDO_DBH_CLEAR_ERR();
PDO_CONSTRUCT_CHECK;
ret = dbh->methods->doer(dbh, statement, statement_len TSRMLS_CC);
if(ret == -1) {
PDO_HANDLE_DBH_ERR();
RETURN_FALSE;
} else {
RETURN_LONG(ret);
}
}
/* }}} */
/* {{{ proto string PDO::lastInsertId([string seqname])
Returns the id of the last row that we affected on this connection. Some databases require a sequence or table name to be passed in. Not always meaningful. */
static PHP_METHOD(PDO, lastInsertId)
{
pdo_dbh_t *dbh = zend_object_store_get_object(getThis() TSRMLS_CC);
char *name = NULL;
int namelen;
if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!", &name, &namelen)) {
RETURN_FALSE;
}
PDO_DBH_CLEAR_ERR();
PDO_CONSTRUCT_CHECK;
if (!dbh->methods->last_id) {
pdo_raise_impl_error(dbh, NULL, "IM001", "driver does not support lastInsertId()" TSRMLS_CC);
RETURN_FALSE;
} else {
Z_STRVAL_P(return_value) = dbh->methods->last_id(dbh, name, &Z_STRLEN_P(return_value) TSRMLS_CC);
if (!Z_STRVAL_P(return_value)) {
PDO_HANDLE_DBH_ERR();
RETURN_FALSE;
} else {
Z_TYPE_P(return_value) = IS_STRING;
}
}
}
/* }}} */