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SUSE:SLE-12-SP1:GA
php7.6726
php7-insert-more-derefs.patch
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File php7-insert-more-derefs.patch of Package php7.6726
From 4b2cc62e266cb39d0728dc473435fdf6ab4e8e89 Mon Sep 17 00:00:00 2001 From: Nikita Popov <nikic@php.net> Date: Tue, 13 Dec 2016 17:54:30 +0100 Subject: [PATCH] More fixes for bug #73089 Insert a lot more DEREFs. Some may not be necessary, but better safe than sorry. I'm thinking the soap_hash_str_find_deref function should become part of the zend_hash API -- we need this in many places. --- ext/soap/php_encoding.c | 50 ++++++++++++++++++++++++++++++++----------------- 1 file changed, 33 insertions(+), 17 deletions(-) diff --git a/ext/soap/php_encoding.c b/ext/soap/php_encoding.c index 7947b4cea39b..245f1b3e6109 100644 --- a/ext/soap/php_encoding.c +++ b/ext/soap/php_encoding.c @@ -283,6 +283,16 @@ static encodePtr find_encoder_by_type_name(sdlPtr sdl, const char *type) return NULL; } +static zval *soap_hash_str_find_deref(HashTable *ht, const char *str, size_t len) { + zval *zv = zend_hash_str_find(ht, str, len); + if (!zv) { + return NULL; + } + + ZVAL_DEREF(zv); + return zv; +} + static zend_bool soap_check_zval_ref(zval *data, xmlNodePtr node) { xmlNodePtr node_ptr; @@ -380,6 +390,10 @@ static xmlNodePtr master_to_xml_int(encodePtr encode, zval *data, int style, xml xmlNodePtr node = NULL; int add_type = 0; + if (data) { + ZVAL_DEREF(data); + } + /* Special handling of class SoapVar */ if (data && Z_TYPE_P(data) == IS_OBJECT && @@ -388,14 +402,14 @@ static xmlNodePtr master_to_xml_int(encodePtr encode, zval *data, int style, xml encodePtr enc = NULL; HashTable *ht = Z_OBJPROP_P(data); - if ((ztype = zend_hash_str_find(ht, "enc_type", sizeof("enc_type")-1)) == NULL || + if ((ztype = soap_hash_str_find_deref(ht, "enc_type", sizeof("enc_type")-1)) == NULL || Z_TYPE_P(ztype) != IS_LONG) { soap_error0(E_ERROR, "Encoding: SoapVar has no 'enc_type' property"); } - if ((zstype = zend_hash_str_find(ht, "enc_stype", sizeof("enc_stype")-1)) != NULL && + if ((zstype = soap_hash_str_find_deref(ht, "enc_stype", sizeof("enc_stype")-1)) != NULL && Z_TYPE_P(zstype) == IS_STRING) { - if ((zns = zend_hash_str_find(ht, "enc_ns", sizeof("enc_ns")-1)) != NULL && + if ((zns = soap_hash_str_find_deref(ht, "enc_ns", sizeof("enc_ns")-1)) != NULL && Z_TYPE_P(zns) == IS_STRING) { enc = get_encoder(SOAP_GLOBAL(sdl), Z_STRVAL_P(zns), Z_STRVAL_P(zstype)); } else { @@ -422,13 +436,13 @@ static xmlNodePtr master_to_xml_int(encodePtr encode, zval *data, int style, xml enc = encode; } - zdata = zend_hash_str_find(ht, "enc_value", sizeof("enc_value")-1); + zdata = soap_hash_str_find_deref(ht, "enc_value", sizeof("enc_value")-1); node = master_to_xml(enc, zdata, style, parent); if (style == SOAP_ENCODED || (SOAP_GLOBAL(sdl) && encode != enc)) { - if ((zstype = zend_hash_str_find(ht, "enc_stype", sizeof("enc_stype")-1)) != NULL && + if ((zstype = soap_hash_str_find_deref(ht, "enc_stype", sizeof("enc_stype")-1)) != NULL && Z_TYPE_P(zstype) == IS_STRING) { - if ((zns = zend_hash_str_find(ht, "enc_ns", sizeof("enc_ns")-1)) != NULL && + if ((zns = soap_hash_str_find_deref(ht, "enc_ns", sizeof("enc_ns")-1)) != NULL && Z_TYPE_P(zns) == IS_STRING) { set_ns_and_type_ex(node, Z_STRVAL_P(zns), Z_STRVAL_P(zstype)); } else { @@ -437,11 +451,11 @@ static xmlNodePtr master_to_xml_int(encodePtr encode, zval *data, int style, xml } } - if ((zname = zend_hash_str_find(ht, "enc_name", sizeof("enc_name")-1)) != NULL && + if ((zname = soap_hash_str_find_deref(ht, "enc_name", sizeof("enc_name")-1)) != NULL && Z_TYPE_P(zname) == IS_STRING) { xmlNodeSetName(node, BAD_CAST(Z_STRVAL_P(zname))); } - if ((znamens = zend_hash_str_find(ht, "enc_namens", sizeof("enc_namens")-1)) != NULL && + if ((znamens = soap_hash_str_find_deref(ht, "enc_namens", sizeof("enc_namens")-1)) != NULL && Z_TYPE_P(znamens) == IS_STRING) { xmlNsPtr nsp = encode_add_ns(node, Z_STRVAL_P(znamens)); xmlSetNs(node, nsp); @@ -455,6 +469,7 @@ static xmlNodePtr master_to_xml_int(encodePtr encode, zval *data, int style, xml zend_string *type_name; ZEND_HASH_FOREACH_STR_KEY_VAL(SOAP_GLOBAL(class_map), type_name, tmp) { + ZVAL_DEREF(tmp); if (Z_TYPE_P(tmp) == IS_STRING && ZSTR_LEN(ce->name) == Z_STRLEN_P(tmp) && zend_binary_strncasecmp(ZSTR_VAL(ce->name), ZSTR_LEN(ce->name), Z_STRVAL_P(tmp), ZSTR_LEN(ce->name), ZSTR_LEN(ce->name)) == 0 && @@ -1193,6 +1208,7 @@ static zval* get_zval_property(zval* object, char* name, zval *rv) if (property_info != ZEND_WRONG_PROPERTY_INFO && property_info && zend_hash_exists(Z_OBJPROP_P(object), property_info->name)) { zval_ptr_dtor(&member); + ZVAL_DEREF(data); return data; } zval_ptr_dtor(&member); @@ -1200,13 +1216,10 @@ static zval* get_zval_property(zval* object, char* name, zval *rv) } zval_ptr_dtor(&member); EG(scope) = old_scope; + ZVAL_DEREF(data); return data; } else if (Z_TYPE_P(object) == IS_ARRAY) { - zval *data_ptr; - - if ((data_ptr = zend_hash_str_find(Z_ARRVAL_P(object), name, strlen(name))) != NULL) { - return data_ptr; - } + return soap_hash_str_find_deref(Z_ARRVAL_P(object), name, strlen(name)); } return NULL; } @@ -1421,7 +1434,7 @@ static zval *to_zval_object_ex(zval *ret, encodeTypePtr type, xmlNodePtr data, z zval *classname; zend_class_entry *tmp; - if ((classname = zend_hash_str_find(SOAP_GLOBAL(class_map), type->type_str, strlen(type->type_str))) != NULL && + if ((classname = soap_hash_str_find_deref(SOAP_GLOBAL(class_map), type->type_str, strlen(type->type_str))) != NULL && Z_TYPE_P(classname) == IS_STRING && (tmp = zend_fetch_class(Z_STR_P(classname), ZEND_FETCH_CLASS_AUTO)) != NULL) { ce = tmp; @@ -1642,6 +1655,7 @@ static int model_to_xml_object(xmlNodePtr node, sdlContentModelPtr model, zval * zval *val; ZEND_HASH_FOREACH_VAL(ht, val) { + ZVAL_DEREF(val); if (Z_TYPE_P(val) == IS_NULL && model->u.element->nillable) { property = xmlNewNode(NULL, BAD_CAST("BOGUS")); xmlAddChild(node, property); @@ -1896,6 +1910,7 @@ static xmlNodePtr to_xml_object(encodeTypePtr type, zval *data, int style, xmlNo ZEND_HASH_FOREACH_VAL(prop, val) { xmlNodePtr property; + ZVAL_DEREF(val); if (Z_TYPE_P(val) == IS_NULL && array_el->nillable) { property = xmlNewNode(NULL, BAD_CAST("BOGUS")); xmlAddChild(xmlParam, property); @@ -2327,6 +2342,7 @@ static xmlNodePtr to_xml_array(encodeTypePtr type, zval *data, int style, xmlNod ZEND_HASH_FOREACH_VAL_IND(Z_ARRVAL_P(el), el) { break; } ZEND_HASH_FOREACH_END(); + ZVAL_DEREF(el); if (Z_TYPE_P(el) == IS_ARRAY) { dims[i] = zend_hash_num_elements(Z_ARRVAL_P(el)); } else { @@ -3520,20 +3536,20 @@ static encodePtr get_array_type(xmlNodePtr node, zval *array, smart_str *type) Z_OBJCE_P(tmp) == soap_var_class_entry) { zval *ztype; - if ((ztype = zend_hash_str_find(Z_OBJPROP_P(tmp), "enc_type", sizeof("enc_type")-1)) == NULL || + if ((ztype = soap_hash_str_find_deref(Z_OBJPROP_P(tmp), "enc_type", sizeof("enc_type")-1)) == NULL || Z_TYPE_P(ztype) != IS_LONG) { soap_error0(E_ERROR, "Encoding: SoapVar has no 'enc_type' property"); } cur_type = Z_LVAL_P(ztype); - if ((ztype = zend_hash_str_find(Z_OBJPROP_P(tmp), "enc_stype", sizeof("enc_stype")-1)) != NULL && + if ((ztype = soap_hash_str_find_deref(Z_OBJPROP_P(tmp), "enc_stype", sizeof("enc_stype")-1)) != NULL && Z_TYPE_P(ztype) == IS_STRING) { cur_stype = Z_STRVAL_P(ztype); } else { cur_stype = NULL; } - if ((ztype = zend_hash_str_find(Z_OBJPROP_P(tmp), "enc_ns", sizeof("enc_ns")-1)) != NULL && + if ((ztype = soap_hash_str_find_deref(Z_OBJPROP_P(tmp), "enc_ns", sizeof("enc_ns")-1)) != NULL && Z_TYPE_P(ztype) == IS_STRING) { cur_ns = Z_STRVAL_P(ztype); } else {
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