php_sdl.c

/*
  +----------------------------------------------------------------------+
  | Copyright © The PHP Group and Contributors.                          |
  +----------------------------------------------------------------------+
  | This source file is subject to the Modified BSD License that is      |
  | bundled with this package in the file LICENSE, and is available      |
  | through the World Wide Web at <https://www.php.net/license/>.        |
  |                                                                      |
  | SPDX-License-Identifier: BSD-3-Clause                                |
  +----------------------------------------------------------------------+
  | Authors: Brad Lafountain <rodif_bl@yahoo.com>                        |
  |          Shane Caraveo <shane@caraveo.com>                           |
  |          Dmitry Stogov <dmitry@php.net>                              |
  +----------------------------------------------------------------------+
*/

#include "php_soap.h"
#include "ext/libxml/php_libxml.h"
#include "libxml/uri.h"

#include "zend_virtual_cwd.h"
#include "main/php_open_temporary_file.h"

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#ifndef O_BINARY
# define O_BINARY 0
#endif

#ifdef WORDS_BIGENDIAN
# define SOAP_BIG_ENDIAN 1
#else
# define SOAP_BIG_ENDIAN 0
#endif

static void delete_fault(zval *zv);
static void delete_fault_persistent(zval *zv);
static void delete_binding(zval *zv);
static void delete_binding_persistent(zval *zv);
static void delete_function(zval *zv);
static void delete_function_persistent(zval *zv);
static void delete_parameter(zval *zv);
static void delete_parameter_persistent(zval *zv);
static void delete_header(zval *header);
static void delete_header_int(sdlSoapBindingFunctionHeaderPtr hdr);
static void delete_header_persistent(zval *zv);
static void delete_document(zval *zv);

encodePtr get_encoder_from_prefix(sdlPtr sdl, xmlNodePtr node, const xmlChar *type)
{
	encodePtr enc = NULL;
	xmlNsPtr nsptr;
	const char *cptype;
	char *ns;

	parse_namespace(type, &cptype, &ns);
	nsptr = xmlSearchNs(node->doc, node, BAD_CAST(ns));
	if (nsptr != NULL) {
		enc = get_encoder(sdl, (char*)nsptr->href, cptype);
		if (enc == NULL) {
			enc = get_encoder_ex(sdl, cptype, strlen(cptype));
		}
	} else {
		enc = get_encoder_ex(sdl, (char*)type, xmlStrlen(type));
	}
	if (ns) {efree(ns);}
	return enc;
}

static sdlTypePtr get_element(sdlPtr sdl, xmlNodePtr node, const xmlChar *type)
{
	sdlTypePtr ret = NULL;

	if (sdl->elements) {
		xmlNsPtr nsptr;
		const char *cptype;
		char *ns;
		sdlTypePtr sdl_type;

		parse_namespace(type, &cptype, &ns);
		nsptr = xmlSearchNs(node->doc, node, BAD_CAST(ns));
		if (nsptr != NULL) {
			size_t ns_len = xmlStrlen(nsptr->href);
			size_t type_len = strlen(cptype);
			size_t len = ns_len + type_len + 1;
			char *nscat = zend_cstr_concat3(
				(const char *) nsptr->href, ns_len,
				":", 1,
				cptype, type_len);

			if ((sdl_type = zend_hash_str_find_ptr(sdl->elements, nscat, len)) != NULL) {
				ret = sdl_type;
			} else if ((sdl_type = zend_hash_str_find_ptr(sdl->elements, (char*)type, type_len)) != NULL) {
				ret = sdl_type;
			}
			efree(nscat);
		} else {
			if ((sdl_type = zend_hash_str_find_ptr(sdl->elements, (char*)type, xmlStrlen(type))) != NULL) {
				ret = sdl_type;
			}
		}

		if (ns) {efree(ns);}
	}
	return ret;
}

encodePtr get_encoder(sdlPtr sdl, const char *ns, const char *type)
{
	encodePtr enc = NULL;
	char *nscat;
	size_t ns_len = ns ? strlen(ns) : 0;
	size_t type_len = strlen(type);
	size_t len = ns_len + type_len + 1;

	nscat = zend_cstr_concat3(
		ns, ns_len,
		":", 1,
		type, type_len);

	enc = get_encoder_ex(sdl, nscat, len);

	if (enc == NULL &&
	    ((ns_len == sizeof(SOAP_1_1_ENC_NAMESPACE)-1 &&
	      memcmp(ns, SOAP_1_1_ENC_NAMESPACE, sizeof(SOAP_1_1_ENC_NAMESPACE)-1) == 0) ||
	     (ns_len == sizeof(SOAP_1_2_ENC_NAMESPACE)-1 &&
	      memcmp(ns, SOAP_1_2_ENC_NAMESPACE, sizeof(SOAP_1_2_ENC_NAMESPACE)-1) == 0))) {
		char *enc_nscat;
		size_t enc_ns_len;
		size_t enc_len;

		enc_ns_len = sizeof(XSD_NAMESPACE)-1;
		enc_len = enc_ns_len + type_len + 1;
		enc_nscat = zend_cstr_concat3(
			XSD_NAMESPACE, enc_ns_len,
			":", 1,
			type, type_len);

		enc = get_encoder_ex(NULL, enc_nscat, enc_len);
		efree(enc_nscat);
		if (enc && sdl) {
			encodePtr new_enc	= pemalloc(sizeof(encode), sdl->is_persistent);
			memcpy(new_enc, enc, sizeof(encode));
			if (sdl->is_persistent) {
				new_enc->details.ns = zend_strndup(ns, ns_len);
				new_enc->details.type_str = strdup(new_enc->details.type_str);
			} else {
				new_enc->details.ns = estrndup(ns, ns_len);
				new_enc->details.type_str = estrdup(new_enc->details.type_str);
			}
			if (new_enc->details.clark_notation) {
				/* If it was persistent or becomes persistent, we must dup. Otherwise we can copy. */
				bool was_persistent = GC_FLAGS(new_enc->details.clark_notation) & IS_STR_PERSISTENT;
				if (was_persistent || sdl->is_persistent) {
					new_enc->details.clark_notation = zend_string_dup(new_enc->details.clark_notation, sdl->is_persistent);
				} else {
					zend_string_addref(new_enc->details.clark_notation);
				}
			}
			if (sdl->encoders == NULL) {
				sdl->encoders = pemalloc(sizeof(HashTable), sdl->is_persistent);
				zend_hash_init(sdl->encoders, 0, NULL, sdl->is_persistent ? delete_encoder_persistent : delete_encoder, sdl->is_persistent);
			}
			zend_hash_str_update_ptr(sdl->encoders, nscat, len, new_enc);
			enc = new_enc;
		}
	}
	efree(nscat);
	return enc;
}

encodePtr get_encoder_ex(sdlPtr sdl, const char *nscat, size_t len)
{
	encodePtr enc;

	if ((enc = zend_hash_str_find_ptr(&php_soap_defEnc, nscat, len)) != NULL) {
		return enc;
	} else if (sdl && sdl->encoders && (enc = zend_hash_str_find_ptr(sdl->encoders, nscat, len)) != NULL) {
		return enc;
	}
	return NULL;
}

static int is_wsdl_element(xmlNodePtr node)
{
	if (node->ns && strcmp((char*)node->ns->href, WSDL_NAMESPACE) != 0) {
		xmlAttrPtr attr;
		if ((attr = get_attribute_ex(node->properties, "required", WSDL_NAMESPACE)) != NULL &&
		     attr->children && attr->children->content &&
		     (strcmp((char*)attr->children->content, "1") == 0 ||
		      strcmp((char*)attr->children->content, "true") == 0)) {
			soap_error1(E_ERROR, "Parsing WSDL: Unknown required WSDL extension '%s'", node->ns->href);
		}
		return 0;
	}
	return 1;
}

void sdl_set_uri_credentials(sdlCtx *ctx, char *uri)
{
	char *s;
	size_t l1, l2;
	zval context;
	zval *header = NULL;

	/* check if we load xsd from the same server */
	s = strstr(ctx->sdl->source, "://");
	if (!s) return;
	s = strchr(s+3, '/');
	l1 = s ? (size_t)(s - ctx->sdl->source) : strlen(ctx->sdl->source);
	s = strstr((char*)uri, "://");
	if (!s) return;
	s = strchr(s+3, '/');
	l2 = s ? (size_t)(s - (char*)uri) : strlen((char*)uri);
	if (l1 != l2) {
		/* check for http://...:80/ */
		if (l1 > 11 &&
		    ctx->sdl->source[4] == ':' &&
		    ctx->sdl->source[l1-3] == ':' &&
		    ctx->sdl->source[l1-2] == '8' &&
		    ctx->sdl->source[l1-1] == '0') {
			l1 -= 3;
		}
		if (l2 > 11 &&
		    uri[4] == ':' &&
		    uri[l2-3] == ':' &&
		    uri[l2-2] == '8' &&
		    uri[l2-1] == '0') {
			l2 -= 3;
		}
		/* check for https://...:443/ */
		if (l1 > 13 &&
		    ctx->sdl->source[4] == 's' &&
		    ctx->sdl->source[l1-4] == ':' &&
		    ctx->sdl->source[l1-3] == '4' &&
		    ctx->sdl->source[l1-2] == '4' &&
		    ctx->sdl->source[l1-1] == '3') {
			l1 -= 4;
		}
		if (l2 > 13 &&
		    uri[4] == 's' &&
		    uri[l2-4] == ':' &&
		    uri[l2-3] == '4' &&
		    uri[l2-2] == '4' &&
		    uri[l2-1] == '3') {
			l2 -= 4;
		}
	}
	if (l1 != l2 || memcmp(ctx->sdl->source, uri, l1) != 0) {
		/* another server. clear authentication credentals */
		php_libxml_switch_context(NULL, &context);
		php_libxml_switch_context(&context, NULL);
		if (Z_TYPE(context) != IS_UNDEF) {
			zval *context_ptr = &context;
			ctx->context = php_stream_context_from_zval(context_ptr, 1);

			if (ctx->context &&
			    (header = php_stream_context_get_option(ctx->context, "http", "header")) != NULL &&
				Z_TYPE_P(header) == IS_STRING) {
				/* TODO: should support header as an array, but this code path is untested */
				s = strstr(Z_STRVAL_P(header), "Authorization: Basic");
				if (s && (s == Z_STRVAL_P(header) || *(s-1) == '\n' || *(s-1) == '\r')) {
					char *rest = strstr(s, "\r\n");
					if (rest) {
						zval new_header;

						rest += 2;
						ZVAL_NEW_STR(&new_header, zend_string_alloc(Z_STRLEN_P(header) - (rest - s), 0));
						memcpy(Z_STRVAL(new_header), Z_STRVAL_P(header), s - Z_STRVAL_P(header));
						memcpy(Z_STRVAL(new_header) + (s - Z_STRVAL_P(header)), rest, Z_STRLEN_P(header) - (rest - Z_STRVAL_P(header)) + 1);
						ZVAL_COPY(&ctx->old_header, header);
						php_stream_context_set_option(ctx->context, "http", "header", &new_header);
						zval_ptr_dtor(&new_header);
					}
				}
			}
		}
	}
}

void sdl_restore_uri_credentials(sdlCtx *ctx)
{
	if (Z_TYPE(ctx->old_header) != IS_UNDEF) {
	    php_stream_context_set_option(ctx->context, "http", "header", &ctx->old_header);
	    zval_ptr_dtor(&ctx->old_header);
		ZVAL_UNDEF(&ctx->old_header);
	}
	ctx->context = NULL;
}

#define SAFE_STR(a) ((a)?((const char *)a):"")

static void load_wsdl_ex(zval *this_ptr, char *struri, sdlCtx *ctx, bool include)
{
	sdlPtr tmpsdl = ctx->sdl;
	xmlDocPtr wsdl;
	xmlNodePtr root, definitions, trav;

	if (zend_hash_str_exists(&ctx->docs, struri, strlen(struri))) {
		return;
	}

	sdl_set_uri_credentials(ctx, struri);
	wsdl = soap_xmlParseFile(struri);
	sdl_restore_uri_credentials(ctx);

	if (!wsdl) {
		const xmlError *xmlErrorPtr = xmlGetLastError();

		if (xmlErrorPtr) {
			soap_error2(E_ERROR, "Parsing WSDL: Couldn't load from '%s' : %s", struri, xmlErrorPtr->message);
		} else {
			soap_error1(E_ERROR, "Parsing WSDL: Couldn't load from '%s'", struri);
		}
	}

	zend_hash_str_add_ptr(&ctx->docs, struri, strlen(struri), wsdl);

	root = wsdl->children;
	definitions = get_node_ex(root, "definitions", WSDL_NAMESPACE);
	if (!definitions) {
		if (include) {
			xmlNodePtr schema = get_node_ex(root, "schema", XSD_NAMESPACE);
			if (schema) {
				load_schema(ctx, schema);
				return;
			}
		}
		soap_error1(E_ERROR, "Parsing WSDL: Couldn't find <definitions> in '%s'", struri);
	}

	if (!include) {
		xmlAttrPtr targetNamespace = get_attribute(definitions->properties, "targetNamespace");
		if (targetNamespace) {
			tmpsdl->target_ns = estrdup((char*)targetNamespace->children->content);
		}
	}

	trav = definitions->children;
	while (trav != NULL) {
		if (!is_wsdl_element(trav)) {
			trav = trav->next;
			continue;
		}
		if (node_is_equal(trav,"types")) {
			/* TODO: Only one "types" is allowed */
			xmlNodePtr trav2 = trav->children;

			while (trav2 != NULL) {
				if (node_is_equal_ex(trav2, "schema", XSD_NAMESPACE)) {
					load_schema(ctx, trav2);
				} else if (is_wsdl_element(trav2) && !node_is_equal(trav2,"documentation")) {
					soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>", SAFE_STR(trav2->name));
				}
				trav2 = trav2->next;
			}
		} else if (node_is_equal(trav,"import")) {
			/* TODO: namespace ??? */
			xmlAttrPtr tmp = get_attribute(trav->properties, "location");
			if (tmp) {
				xmlChar *uri = schema_location_construct_uri(tmp);
				load_wsdl_ex(this_ptr, (char*)uri, ctx, true);
				xmlFree(uri);
			}

		} else if (node_is_equal(trav,"message")) {
			xmlAttrPtr name = get_attribute(trav->properties, "name");
			if (name && name->children && name->children->content) {
				if (zend_hash_str_add_ptr(&ctx->messages, (char*)name->children->content, xmlStrlen(name->children->content), trav) == NULL) {
					soap_error1(E_ERROR, "Parsing WSDL: <message> '%s' already defined", name->children->content);
				}
			} else {
				soap_error0(E_ERROR, "Parsing WSDL: <message> has no name attribute");
			}

		} else if (node_is_equal(trav,"portType")) {
			xmlAttrPtr name = get_attribute(trav->properties, "name");
			if (name && name->children && name->children->content) {
				if (zend_hash_str_add_ptr(&ctx->portTypes, (char*)name->children->content, xmlStrlen(name->children->content), trav) == NULL) {
					soap_error1(E_ERROR, "Parsing WSDL: <portType> '%s' already defined", name->children->content);
				}
			} else {
				soap_error0(E_ERROR, "Parsing WSDL: <portType> has no name attribute");
			}

		} else if (node_is_equal(trav,"binding")) {
			xmlAttrPtr name = get_attribute(trav->properties, "name");
			if (name && name->children && name->children->content) {
				if (zend_hash_str_add_ptr(&ctx->bindings, (char*)name->children->content, xmlStrlen(name->children->content), trav) == NULL) {
					soap_error1(E_ERROR, "Parsing WSDL: <binding> '%s' already defined", name->children->content);
				}
			} else {
				soap_error0(E_ERROR, "Parsing WSDL: <binding> has no name attribute");
			}

		} else if (node_is_equal(trav,"service")) {
			xmlAttrPtr name = get_attribute(trav->properties, "name");
			if (name && name->children && name->children->content) {
				if (zend_hash_str_add_ptr(&ctx->services, (char*)name->children->content, xmlStrlen(name->children->content), trav) == NULL) {
					soap_error1(E_ERROR, "Parsing WSDL: <service> '%s' already defined", name->children->content);
				}
			} else {
				soap_error0(E_ERROR, "Parsing WSDL: <service> has no name attribute");
			}
		} else if (!node_is_equal(trav,"documentation")) {
			soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>",  SAFE_STR(trav->name));
		}
		trav = trav->next;
	}
}

static sdlSoapBindingFunctionHeaderPtr wsdl_soap_binding_header(sdlCtx* ctx, xmlNodePtr header, char* wsdl_soap_namespace, int fault)
{
	xmlAttrPtr tmp;
	xmlNodePtr message, part;
	char *ctype;
	sdlSoapBindingFunctionHeaderPtr h;

	tmp = get_attribute(header->properties, "message");
	if (!tmp) {
		soap_error0(E_ERROR, "Parsing WSDL: Missing message attribute for <header>");
	}

	ctype = strrchr((char*)tmp->children->content,':');
	if (ctype == NULL) {
		ctype = (char*)tmp->children->content;
	} else {
		++ctype;
	}
	if ((message = zend_hash_str_find_ptr(&ctx->messages, ctype, strlen(ctype))) == NULL) {
		soap_error1(E_ERROR, "Parsing WSDL: Missing <message> with name '%s'", tmp->children->content);
	}

	tmp = get_attribute(header->properties, "part");
	if (!tmp) {
		soap_error0(E_ERROR, "Parsing WSDL: Missing part attribute for <header>");
	}
	part = get_node_with_attribute_ex(message->children, "part", WSDL_NAMESPACE, "name", (char*)tmp->children->content, NULL);
	if (!part) {
		soap_error1(E_ERROR, "Parsing WSDL: Missing part '%s' in <message>", tmp->children->content);
	}

	h = emalloc(sizeof(sdlSoapBindingFunctionHeader));
	memset(h, 0, sizeof(sdlSoapBindingFunctionHeader));
	h->name = estrdup((char*)tmp->children->content);

	tmp = get_attribute(header->properties, "use");
	if (tmp && !strncmp((char*)tmp->children->content, "encoded", sizeof("encoded"))) {
		h->use = SOAP_ENCODED;
	} else {
		h->use = SOAP_LITERAL;
	}

	tmp = get_attribute(header->properties, "namespace");
	if (tmp) {
		h->ns = estrdup((char*)tmp->children->content);
	}

	if (h->use == SOAP_ENCODED) {
		tmp = get_attribute(header->properties, "encodingStyle");
		if (tmp) {
			if (strncmp((char*)tmp->children->content, SOAP_1_1_ENC_NAMESPACE, sizeof(SOAP_1_1_ENC_NAMESPACE)) == 0) {
				h->encodingStyle = SOAP_ENCODING_1_1;
			} else if (strncmp((char*)tmp->children->content, SOAP_1_2_ENC_NAMESPACE, sizeof(SOAP_1_2_ENC_NAMESPACE)) == 0) {
				h->encodingStyle = SOAP_ENCODING_1_2;
			} else {
				soap_error1(E_ERROR, "Parsing WSDL: Unknown encodingStyle '%s'", tmp->children->content);
			}
		} else {
			soap_error0(E_ERROR, "Parsing WSDL: Unspecified encodingStyle");
		}
	}

	tmp = get_attribute(part->properties, "type");
	if (tmp != NULL) {
		h->encode = get_encoder_from_prefix(ctx->sdl, part, tmp->children->content);
	} else {
		tmp = get_attribute(part->properties, "element");
		if (tmp != NULL) {
			h->element = get_element(ctx->sdl, part, tmp->children->content);
			if (h->element) {
				h->encode = h->element->encode;
				if (!h->ns && h->element->namens) {
					h->ns = estrdup(h->element->namens);
				}
				if (h->element->name) {
					efree(h->name);
					h->name = estrdup(h->element->name);
				}
			}
		}
	}
	if (!fault) {
		xmlNodePtr trav = header->children;
		while (trav != NULL) {
			if (node_is_equal_ex(trav, "headerfault", wsdl_soap_namespace)) {
				sdlSoapBindingFunctionHeaderPtr hf = wsdl_soap_binding_header(ctx, trav, wsdl_soap_namespace, 1);
				smart_str key = {0};

				if (h->headerfaults == NULL) {
					h->headerfaults = emalloc(sizeof(HashTable));
					zend_hash_init(h->headerfaults, 0, NULL, delete_header, 0);
				}

				if (hf->ns) {
					smart_str_appends(&key,hf->ns);
					smart_str_appendc(&key,':');
				}
				smart_str_appends(&key,hf->name);
				smart_str_0(&key);
				if (zend_hash_add_ptr(h->headerfaults, key.s, hf) == NULL) {
					delete_header_int(hf);
				}
				smart_str_free(&key);
			} else if (is_wsdl_element(trav) && !node_is_equal(trav,"documentation")) {
				soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>",  SAFE_STR(trav->name));
			}
			trav = trav->next;
		}
	}
	return h;
}

static void wsdl_soap_binding_body(sdlCtx* ctx, xmlNodePtr node, char* wsdl_soap_namespace, sdlSoapBindingFunctionBody *binding, HashTable* params)
{
	xmlNodePtr trav;

	trav = node->children;
	while (trav != NULL) {
		if (node_is_equal_ex(trav, "body", wsdl_soap_namespace)) {
			xmlNodePtr body = trav;

			xmlAttrPtr useAttribute = get_attribute(body->properties, "use");
			if (useAttribute && !strncmp((char*)useAttribute->children->content, "literal", sizeof("literal"))) {
				binding->use = SOAP_LITERAL;
			} else {
				binding->use = SOAP_ENCODED;
			}

			xmlAttrPtr namespaceAttribute = get_attribute(body->properties, "namespace");
			if (namespaceAttribute) {
				binding->ns = estrdup((char*)namespaceAttribute->children->content);
			}

			xmlAttrPtr partsAttribute = get_attribute(body->properties, "parts");
			if (partsAttribute) {
				HashTable    ht;
				char *parts = (char*)partsAttribute->children->content;

				/* Delete all parts those are not in the "parts" attribute */
				zend_hash_init(&ht, 0, NULL, delete_parameter, 0);
				while (*parts) {
					sdlParamPtr param;
					bool found = false;
					char *end;

					while (*parts == ' ') ++parts;
					if (*parts == '\0') break;
					end = strchr(parts, ' ');
					if (end) *end = '\0';
					ZEND_HASH_FOREACH_PTR(params, param) {
						if (param->paramName && strcmp(parts, param->paramName) == 0) {
					  		sdlParamPtr x_param;
					  		x_param = emalloc(sizeof(sdlParam));
					  		*x_param = *param;
					  		param->paramName = NULL;
					  		zend_hash_next_index_insert_ptr(&ht, x_param);
					  		found = true;
					  		break;
						}
					} ZEND_HASH_FOREACH_END();
					if (!found) {
						soap_error1(E_ERROR, "Parsing WSDL: Missing part '%s' in <message>", parts);
					}
					parts += strlen(parts);
					if (end) *end = ' ';
				}
				zend_hash_destroy(params);
				*params = ht;
			}

			if (binding->use == SOAP_ENCODED) {
				xmlAttrPtr encodingStyleAttribute = get_attribute(body->properties, "encodingStyle");
				if (encodingStyleAttribute) {
					if (strncmp((char*)encodingStyleAttribute->children->content, SOAP_1_1_ENC_NAMESPACE, sizeof(SOAP_1_1_ENC_NAMESPACE)) == 0) {
						binding->encodingStyle = SOAP_ENCODING_1_1;
					} else if (strncmp((char*)encodingStyleAttribute->children->content, SOAP_1_2_ENC_NAMESPACE, sizeof(SOAP_1_2_ENC_NAMESPACE)) == 0) {
						binding->encodingStyle = SOAP_ENCODING_1_2;
					} else {
						soap_error1(E_ERROR, "Parsing WSDL: Unknown encodingStyle '%s'", encodingStyleAttribute->children->content);
					}
				} else {
					soap_error0(E_ERROR, "Parsing WSDL: Unspecified encodingStyle");
				}
			}
		} else if (node_is_equal_ex(trav, "header", wsdl_soap_namespace)) {
			sdlSoapBindingFunctionHeaderPtr h = wsdl_soap_binding_header(ctx, trav, wsdl_soap_namespace, 0);
			smart_str key = {0};

			if (binding->headers == NULL) {
				binding->headers = emalloc(sizeof(HashTable));
				zend_hash_init(binding->headers, 0, NULL, delete_header, 0);
			}

			if (h->ns) {
				smart_str_appends(&key,h->ns);
				smart_str_appendc(&key,':');
			}
			smart_str_appends(&key,h->name);
			smart_str_0(&key);
			if (zend_hash_add_ptr(binding->headers, key.s, h) == NULL) {
				delete_header_int(h);
			}
			smart_str_free(&key);
		} else if (is_wsdl_element(trav) && !node_is_equal(trav,"documentation")) {
			soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>",  SAFE_STR(trav->name));
		}
		trav = trav->next;
	}
}

static HashTable* wsdl_message(const sdlCtx *ctx, const xmlChar* message_name)
{
	HashTable* parameters = NULL;

	const char *ctype = strrchr((const char*)message_name,':');
	if (ctype == NULL) {
		ctype = (const char*)message_name;
	} else {
		++ctype;
	}

	xmlNodePtr message = zend_hash_str_find_ptr(&ctx->messages, ctype, strlen(ctype));
	if (message == NULL) {
		soap_error1(E_ERROR, "Parsing WSDL: Missing <message> with name '%s'", (const char*)message_name);
	}

	parameters = emalloc(sizeof(HashTable));
	zend_hash_init(parameters, 0, NULL, delete_parameter, 0);

	xmlNodePtr trav = message->children;
	while (trav != NULL) {
		xmlAttrPtr type, name;
		sdlParamPtr param;

		if (trav->ns != NULL && strcmp((char*)trav->ns->href, WSDL_NAMESPACE) != 0) {
			soap_error1(E_ERROR, "Parsing WSDL: Unexpected extensibility element <%s>",  SAFE_STR(trav->name));
		}
		if (node_is_equal(trav,"documentation")) {
			trav = trav->next;
			continue;
		}
		if (!node_is_equal(trav,"part")) {
			soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>",  SAFE_STR(trav->name));
		}
		xmlNodePtr part = trav;
		param = emalloc(sizeof(sdlParam));
		memset(param,0,sizeof(sdlParam));
		param->order = 0;

		name = get_attribute(part->properties, "name");
		if (name == NULL) {
			soap_error1(E_ERROR, "Parsing WSDL: No name associated with <part> '%s'",  SAFE_STR(message->name));
		}

		param->paramName = estrdup((char*)name->children->content);

		type = get_attribute(part->properties, "type");
		if (type != NULL) {
			param->encode = get_encoder_from_prefix(ctx->sdl, part, type->children->content);
		} else {
			xmlAttrPtr element = get_attribute(part->properties, "element");
			if (element != NULL) {
				param->element = get_element(ctx->sdl, part, element->children->content);
				if (param->element) {
					param->encode = param->element->encode;
				}
			}
		}

		zend_hash_next_index_insert_ptr(parameters, param);

		trav = trav->next;
	}
	return parameters;
}

static sdlPtr load_wsdl(zval *this_ptr, char *struri)
{
	sdlCtx ctx = {0};

	ctx.sdl = emalloc(sizeof(sdl));
	memset(ctx.sdl, 0, sizeof(sdl));
	ctx.sdl->source = estrdup(struri);
	zend_hash_init(&ctx.sdl->functions, 0, NULL, delete_function, 0);

	zend_hash_init(&ctx.docs, 0, NULL, delete_document, 0);
	zend_hash_init(&ctx.messages, 0, NULL, NULL, 0);
	zend_hash_init(&ctx.bindings, 0, NULL, NULL, 0);
	zend_hash_init(&ctx.portTypes, 0, NULL, NULL, 0);
	zend_hash_init(&ctx.services,  0, NULL, NULL, 0);

	zend_try {
		load_wsdl_ex(this_ptr, struri, &ctx, false);
		schema_pass2(&ctx);

		uint32_t n = zend_hash_num_elements(&ctx.services);
		if (n == 0) {
			soap_error0(E_ERROR, "Parsing WSDL: Couldn't bind to service");
		}

		zend_hash_internal_pointer_reset(&ctx.services);
		for (uint32_t i = 0; i < n; i++) {
			xmlNodePtr service, tmp;
			xmlNodePtr trav, port;
			bool has_soap_port = false;

			service = tmp = zend_hash_get_current_data_ptr(&ctx.services);

			trav = service->children;
			while (trav != NULL) {
				xmlAttrPtr type, name, bindingAttr, location;
				xmlNodePtr portType, operation;
				xmlNodePtr address, binding, trav2;
				char *ctype;
				sdlBindingPtr tmpbinding;
				char *wsdl_soap_namespace = NULL;

				if (!is_wsdl_element(trav) || node_is_equal(trav,"documentation")) {
					trav = trav->next;
					continue;
				}
				if (!node_is_equal(trav,"port")) {
					soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>",  SAFE_STR(trav->name));
				}

				port = trav;

				tmpbinding = emalloc(sizeof(sdlBinding));
				memset(tmpbinding, 0, sizeof(sdlBinding));

				bindingAttr = get_attribute(port->properties, "binding");
				if (bindingAttr == NULL) {
					soap_error0(E_ERROR, "Parsing WSDL: No binding associated with <port>");
				}

				/* find address and figure out binding type */
				address = NULL;
				trav2 = port->children;
				while (trav2 != NULL) {
					if (node_is_equal(trav2,"address") && trav2->ns) {
						if (!strncmp((char*)trav2->ns->href, WSDL_SOAP11_NAMESPACE, sizeof(WSDL_SOAP11_NAMESPACE))) {
							address = trav2;
							wsdl_soap_namespace = WSDL_SOAP11_NAMESPACE;
							tmpbinding->bindingType = BINDING_SOAP;
						} else if (!strncmp((char*)trav2->ns->href, WSDL_SOAP12_NAMESPACE, sizeof(WSDL_SOAP12_NAMESPACE))) {
							address = trav2;
							wsdl_soap_namespace = WSDL_SOAP12_NAMESPACE;
							tmpbinding->bindingType = BINDING_SOAP;
						} else if (!strncmp((char*)trav2->ns->href, RPC_SOAP12_NAMESPACE, sizeof(RPC_SOAP12_NAMESPACE))) {
							address = trav2;
							wsdl_soap_namespace = RPC_SOAP12_NAMESPACE;
							tmpbinding->bindingType = BINDING_SOAP;
						} else if (!strncmp((char*)trav2->ns->href, WSDL_HTTP11_NAMESPACE, sizeof(WSDL_HTTP11_NAMESPACE))) {
							address = trav2;
							tmpbinding->bindingType = BINDING_HTTP;
						} else if (!strncmp((char*)trav2->ns->href, WSDL_HTTP12_NAMESPACE, sizeof(WSDL_HTTP12_NAMESPACE))) {
							address = trav2;
							tmpbinding->bindingType = BINDING_HTTP;
						}
					}
					if (trav2 != address && is_wsdl_element(trav2) && !node_is_equal(trav2,"documentation")) {
						soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>",  SAFE_STR(trav2->name));
					}
				  trav2 = trav2->next;
				}
				if (!address || tmpbinding->bindingType == BINDING_HTTP) {
					if (has_soap_port || trav->next || i < n-1) {
						efree(tmpbinding);
						trav = trav->next;
						continue;
					} else if (!address) {
						soap_error0(E_ERROR, "Parsing WSDL: No address associated with <port>");
					}
				}
				has_soap_port = true;

				location = get_attribute(address->properties, "location");
				if (!location) {
					soap_error0(E_ERROR, "Parsing WSDL: No location associated with <port>");
				}

				tmpbinding->location = estrdup((char*)location->children->content);

				ctype = strrchr((char*)bindingAttr->children->content,':');
				if (ctype == NULL) {
					ctype = (char*)bindingAttr->children->content;
				} else {
					++ctype;
				}
				if ((tmp = zend_hash_str_find_ptr(&ctx.bindings, ctype, strlen(ctype))) == NULL) {
					soap_error1(E_ERROR, "Parsing WSDL: No <binding> element with name '%s'", ctype);
				}
				binding = tmp;

				if (tmpbinding->bindingType == BINDING_SOAP) {
					sdlSoapBindingPtr soapBinding;
					xmlNodePtr soapBindingNode;

					soapBinding = emalloc(sizeof(sdlSoapBinding));
					memset(soapBinding, 0, sizeof(sdlSoapBinding));
					soapBinding->style = SOAP_DOCUMENT;

					soapBindingNode = get_node_ex(binding->children, "binding", wsdl_soap_namespace);
					if (soapBindingNode) {
						xmlAttrPtr styleAttribute = get_attribute(soapBindingNode->properties, "style");
						if (styleAttribute && !strncmp((char*)styleAttribute->children->content, "rpc", sizeof("rpc"))) {
							soapBinding->style = SOAP_RPC;
						}

						xmlAttrPtr transportAttribute = get_attribute(soapBindingNode->properties, "transport");
						if (transportAttribute) {
							if (strncmp((char*)transportAttribute->children->content, WSDL_HTTP_TRANSPORT, sizeof(WSDL_HTTP_TRANSPORT)) == 0) {
								soapBinding->transport = SOAP_TRANSPORT_HTTP;
							} else {
								/* try the next binding */
								efree(soapBinding);
								efree(tmpbinding->location);
								efree(tmpbinding);
								trav = trav->next;
								continue;
							}
						}
					}
					tmpbinding->bindingAttributes = (void *)soapBinding;
				}

				name = get_attribute(binding->properties, "name");
				if (name == NULL) {
					soap_error0(E_ERROR, "Parsing WSDL: Missing 'name' attribute for <binding>");
				}
				tmpbinding->name = estrdup((char*)name->children->content);

				type = get_attribute(binding->properties, "type");
				if (type == NULL) {
					soap_error0(E_ERROR, "Parsing WSDL: Missing 'type' attribute for <binding>");
				}

				ctype = strchr((char*)type->children->content,':');
				if (ctype == NULL) {
					ctype = (char*)type->children->content;
				} else {
					++ctype;
				}
				if ((tmp = zend_hash_str_find_ptr(&ctx.portTypes, ctype, strlen(ctype))) == NULL) {
					soap_error1(E_ERROR, "Parsing WSDL: Missing <portType> with name '%s'", name->children->content);
				}
				portType = tmp;

				trav2 = binding->children;
				while (trav2 != NULL) {
					sdlFunctionPtr function;
					xmlNodePtr input, output, fault, portTypeOperation, trav3;
					xmlAttrPtr op_name, paramOrder;

					if ((tmpbinding->bindingType == BINDING_SOAP &&
					    node_is_equal_ex(trav2, "binding", wsdl_soap_namespace)) ||
					    !is_wsdl_element(trav2) ||
					    node_is_equal(trav2,"documentation")) {
						trav2 = trav2->next;
						continue;
					}
					if (!node_is_equal(trav2,"operation")) {
						soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>",  SAFE_STR(trav2->name));
					}

					operation = trav2;

					op_name = get_attribute(operation->properties, "name");
					if (op_name == NULL) {
						soap_error0(E_ERROR, "Parsing WSDL: Missing 'name' attribute for <operation>");
					}

					trav3 = operation->children;
					while  (trav3 != NULL) {
						if (tmpbinding->bindingType == BINDING_SOAP &&
						    node_is_equal_ex(trav3, "operation", wsdl_soap_namespace)) {
						} else if (is_wsdl_element(trav3) &&
						           !node_is_equal(trav3,"input") &&
						           !node_is_equal(trav3,"output") &&
						           !node_is_equal(trav3,"fault") &&
						           !node_is_equal(trav3,"documentation")) {
							soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>",  SAFE_STR(trav3->name));
						}
						trav3 = trav3->next;
					}

					portTypeOperation = get_node_with_attribute_ex(portType->children, "operation", WSDL_NAMESPACE, "name", (char*)op_name->children->content, NULL);
					if (portTypeOperation == NULL) {
						soap_error1(E_ERROR, "Parsing WSDL: Missing <portType>/<operation> with name '%s'", op_name->children->content);
					}

					function = emalloc(sizeof(sdlFunction));
					memset(function, 0, sizeof(sdlFunction));
					function->functionName = estrdup((char*)op_name->children->content);

					if (tmpbinding->bindingType == BINDING_SOAP) {
						sdlSoapBindingFunctionPtr soapFunctionBinding;
						sdlSoapBindingPtr soapBinding;
						xmlNodePtr soapOperation;

						soapFunctionBinding = emalloc(sizeof(sdlSoapBindingFunction));
						memset(soapFunctionBinding, 0, sizeof(sdlSoapBindingFunction));
						soapBinding = (sdlSoapBindingPtr)tmpbinding->bindingAttributes;
						soapFunctionBinding->style = soapBinding->style;

						soapOperation = get_node_ex(operation->children, "operation", wsdl_soap_namespace);
						if (soapOperation) {
							xmlAttrPtr soapActionAttribute = get_attribute(soapOperation->properties, "soapAction");
							if (soapActionAttribute) {
								soapFunctionBinding->soapAction = estrdup((char*)soapActionAttribute->children->content);
							}

							xmlAttrPtr styleAttribute = get_attribute(soapOperation->properties, "style");
							if (styleAttribute) {
								if (!strncmp((char*)styleAttribute->children->content, "rpc", sizeof("rpc"))) {
									soapFunctionBinding->style = SOAP_RPC;
								} else {
									soapFunctionBinding->style = SOAP_DOCUMENT;
								}
							} else {
								soapFunctionBinding->style = soapBinding->style;
							}
						}

						function->bindingAttributes = (void *)soapFunctionBinding;
					}

					input = get_node_ex(portTypeOperation->children, "input", WSDL_NAMESPACE);
					if (input != NULL) {
						xmlAttrPtr message;

						message = get_attribute(input->properties, "message");
						if (message == NULL) {
							soap_error1(E_ERROR, "Parsing WSDL: Missing name for <input> of '%s'", op_name->children->content);
						}
						function->requestParameters = wsdl_message(&ctx, message->children->content);

/* FIXME
						xmlAttrPtr name = get_attribute(input->properties, "name");
						if (name != NULL) {
							function->requestName = estrdup(name->children->content);
						} else {
*/
						{
							function->requestName = estrdup(function->functionName);
						}

						if (tmpbinding->bindingType == BINDING_SOAP) {
							input = get_node_ex(operation->children, "input", WSDL_NAMESPACE);
							if (input != NULL) {
								sdlSoapBindingFunctionPtr soapFunctionBinding = function->bindingAttributes;
								wsdl_soap_binding_body(&ctx, input, wsdl_soap_namespace, &soapFunctionBinding->input, function->requestParameters);
							}
						}
					}

					output = get_node_ex(portTypeOperation->children, "output", WSDL_NAMESPACE);
					if (output != NULL) {
						xmlAttrPtr message;

						message = get_attribute(output->properties, "message");
						if (message == NULL) {
							soap_error1(E_ERROR, "Parsing WSDL: Missing name for <output> of '%s'", op_name->children->content);
						}
						function->responseParameters = wsdl_message(&ctx, message->children->content);

/* FIXME
						xmlAttrPtr name = get_attribute(output->properties, "name");
						if (name != NULL) {
							function->responseName = estrdup(name->children->content);
						} else if (input == NULL) {
							function->responseName = estrdup(function->functionName);
						} else {
*/
						{
							size_t len = strlen(function->functionName);
							function->responseName = emalloc(len + sizeof("Response"));
							memcpy(function->responseName, function->functionName, len);
							memcpy(function->responseName+len, "Response", sizeof("Response"));
						}

						if (tmpbinding->bindingType == BINDING_SOAP) {
							output = get_node_ex(operation->children, "output", WSDL_NAMESPACE);
							if (output != NULL) {
								sdlSoapBindingFunctionPtr soapFunctionBinding = function->bindingAttributes;
								wsdl_soap_binding_body(&ctx, output, wsdl_soap_namespace, &soapFunctionBinding->output, function->responseParameters);
							}
						}
					}

					paramOrder = get_attribute(portTypeOperation->properties, "parameterOrder");
					if (paramOrder) {
						/* FIXME: */
					}

					fault = portTypeOperation->children;
					while (fault != NULL) {
						if (node_is_equal_ex(fault, "fault", WSDL_NAMESPACE)) {
							xmlAttrPtr message;
							sdlFaultPtr f;

							xmlAttrPtr faultNameAttribute = get_attribute(fault->properties, "name");
							if (faultNameAttribute == NULL) {
								soap_error1(E_ERROR, "Parsing WSDL: Missing name for <fault> of '%s'", op_name->children->content);
							}
							message = get_attribute(fault->properties, "message");
							if (message == NULL) {
								soap_error1(E_ERROR, "Parsing WSDL: Missing name for <output> of '%s'", op_name->children->content);
							}

							f = emalloc(sizeof(sdlFault));
							memset(f, 0, sizeof(sdlFault));

							f->name = estrdup((char*)faultNameAttribute->children->content);
							f->details = wsdl_message(&ctx, message->children->content);
							if (f->details == NULL || zend_hash_num_elements(f->details) > 1) {
								soap_error1(E_ERROR, "Parsing WSDL: The fault message '%s' must have a single part", message->children->content);
							}

							if (tmpbinding->bindingType == BINDING_SOAP) {
								xmlNodePtr soapFault = get_node_with_attribute_ex(operation->children, "fault", WSDL_NAMESPACE, "name", f->name, NULL);
								if (soapFault != NULL) {
									xmlNodePtr faultNodes = soapFault->children;
									while (faultNodes != NULL) {
										if (node_is_equal_ex(faultNodes, "fault", wsdl_soap_namespace)) {
											sdlSoapBindingFunctionFaultPtr faultBinding;

											faultBinding = f->bindingAttributes = emalloc(sizeof(sdlSoapBindingFunctionFault));
											memset(f->bindingAttributes, 0, sizeof(sdlSoapBindingFunctionFault));

											xmlAttrPtr faultUseAttribute = get_attribute(faultNodes->properties, "use");
											if (faultUseAttribute && !strncmp((char*)faultUseAttribute->children->content, "encoded", sizeof("encoded"))) {
												faultBinding->use = SOAP_ENCODED;
											} else {
												faultBinding->use = SOAP_LITERAL;
											}

											xmlAttrPtr faultNamespaceAttribute = get_attribute(faultNodes->properties, "namespace");
											if (faultNamespaceAttribute) {
												faultBinding->ns = estrdup((char*)faultNamespaceAttribute->children->content);
											}

											if (faultBinding->use == SOAP_ENCODED) {
												xmlAttrPtr faultEncodingStyleAttribute = get_attribute(faultNodes->properties, "encodingStyle");
												if (faultEncodingStyleAttribute) {
													if (strncmp((char*)faultEncodingStyleAttribute->children->content, SOAP_1_1_ENC_NAMESPACE, sizeof(SOAP_1_1_ENC_NAMESPACE)) == 0) {
														faultBinding->encodingStyle = SOAP_ENCODING_1_1;
													} else if (strncmp((char*)faultEncodingStyleAttribute->children->content, SOAP_1_2_ENC_NAMESPACE, sizeof(SOAP_1_2_ENC_NAMESPACE)) == 0) {
														faultBinding->encodingStyle = SOAP_ENCODING_1_2;
													} else {
														soap_error1(E_ERROR, "Parsing WSDL: Unknown encodingStyle '%s'", faultEncodingStyleAttribute->children->content);
													}
												} else {
													soap_error0(E_ERROR, "Parsing WSDL: Unspecified encodingStyle");
												}
											}
										} else if (is_wsdl_element(faultNodes) && !node_is_equal(faultNodes,"documentation")) {
											soap_error1(E_ERROR, "Parsing WSDL: Unexpected WSDL element <%s>",  SAFE_STR(faultNodes->name));
										}
										faultNodes = faultNodes->next;
									}
								}
							}
							if (function->faults == NULL) {
								function->faults = emalloc(sizeof(HashTable));
								zend_hash_init(function->faults, 0, NULL, delete_fault, 0);
							}
							if (zend_hash_str_add_ptr(function->faults, f->name, strlen(f->name), f) == NULL) {
								soap_error2(E_ERROR, "Parsing WSDL: <fault> with name '%s' already defined in '%s'", f->name, op_name->children->content);
							}
						}
						fault = fault->next;
					}

					function->binding = tmpbinding;

					{
						size_t function_name_len = strlen(function->functionName);
						char *lc_function_name = zend_str_tolower_dup(function->functionName, function_name_len);

						if (zend_hash_str_add_ptr(&ctx.sdl->functions, lc_function_name, function_name_len, function) == NULL) {
							zend_hash_next_index_insert_ptr(&ctx.sdl->functions, function);
						}
						efree(lc_function_name);

						if (function->requestName != NULL && strcmp(function->requestName,function->functionName) != 0) {
							if (ctx.sdl->requests == NULL) {
								ctx.sdl->requests = emalloc(sizeof(HashTable));
								zend_hash_init(ctx.sdl->requests, 0, NULL, NULL, 0);
							}

							size_t request_name_len = strlen(function->requestName);
							char *lc_request_name = zend_str_tolower_dup(function->requestName, request_name_len);
							zend_hash_str_add_ptr(ctx.sdl->requests, lc_request_name, request_name_len, function);
							efree(lc_request_name);
						}
					}
					trav2 = trav2->next;
				}

				if (!ctx.sdl->bindings) {
					ctx.sdl->bindings = emalloc(sizeof(HashTable));
					zend_hash_init(ctx.sdl->bindings, 0, NULL, delete_binding, 0);
				}

				if (!zend_hash_str_add_ptr(ctx.sdl->bindings, tmpbinding->name, strlen(tmpbinding->name), tmpbinding)) {
					zend_hash_next_index_insert_ptr(ctx.sdl->bindings, tmpbinding);
				}
				trav= trav->next;
			}

			zend_hash_move_forward(&ctx.services);
		}

		if (ctx.sdl->bindings == NULL || ctx.sdl->bindings->nNumOfElements == 0) {
			soap_error0(E_ERROR, "Parsing WSDL: Could not find any usable binding services in WSDL.");
		}

	} zend_catch {
		/* Avoid persistent memory leak. */
		zend_hash_destroy(&ctx.docs);
		zend_bailout();
	} zend_end_try();

	zend_hash_destroy(&ctx.messages);
	zend_hash_destroy(&ctx.bindings);
	zend_hash_destroy(&ctx.portTypes);
	zend_hash_destroy(&ctx.services);
	zend_hash_destroy(&ctx.docs);

	return ctx.sdl;
}

#define WSDL_CACHE_VERSION 0x10

#define WSDL_CACHE_GET(ret,type,buf)   memcpy(&ret,*buf,sizeof(type)); *buf += sizeof(type);
#define WSDL_CACHE_GET_INT(ret,buf)    ret = ((unsigned char)(*buf)[0])|((unsigned char)(*buf)[1]<<8)|((unsigned char)(*buf)[2]<<16)|((unsigned)(*buf)[3]<<24); *buf += 4;
#define WSDL_CACHE_GET_1(ret,type,buf) ret = (type)(**buf); (*buf)++;
#define WSDL_CACHE_GET_N(ret,n,buf)    memcpy(ret,*buf,n); *buf += n;
#define WSDL_CACHE_SKIP(n,buf)         *buf += n;

#define WSDL_CACHE_PUT_INT(val,buf)    smart_str_appendc(buf,(char)(val & 0xff)); \
                                       smart_str_appendc(buf,(char)((val >> 8) & 0xff)); \
                                       smart_str_appendc(buf,(char)((val >> 16) & 0xff)); \
                                       smart_str_appendc(buf,(char)((val >> 24) & 0xff));
#define WSDL_CACHE_PUT_1(val,buf)      smart_str_appendc(buf,val);
#define WSDL_CACHE_PUT_N(val,n,buf)    smart_str_appendl(buf,val,n);

#define WSDL_NO_STRING_MARKER 0x7fffffff

static char* sdl_deserialize_string(char **in)
{
	char *s;
	size_t len;

	WSDL_CACHE_GET_INT(len, in);
	if (len == WSDL_NO_STRING_MARKER) {
		return NULL;
	} else {
		s = emalloc(len+1);
		WSDL_CACHE_GET_N(s, len, in);
		s[len] = '\0';
		return s;
	}
}

static void sdl_deserialize_key(HashTable* ht, void* data, char **in)
{
	size_t len;

	WSDL_CACHE_GET_INT(len, in);
	if (len == WSDL_NO_STRING_MARKER) {
		zend_hash_next_index_insert_ptr(ht, data);
	} else {
		zend_hash_str_add_ptr(ht, *in, len, data);
		WSDL_CACHE_SKIP(len, in);
	}
}

static void sdl_deserialize_attribute(sdlAttributePtr attr, encodePtr *encoders, char **in)
{
	size_t i;

	attr->name = sdl_deserialize_string(in);
	attr->namens = sdl_deserialize_string(in);
	attr->ref = sdl_deserialize_string(in);
	attr->def = sdl_deserialize_string(in);
	attr->fixed = sdl_deserialize_string(in);
	WSDL_CACHE_GET_1(attr->form, sdlForm, in);
	WSDL_CACHE_GET_1(attr->use, sdlUse, in);
	WSDL_CACHE_GET_INT(i, in);
	attr->encode = encoders[i];
	WSDL_CACHE_GET_INT(i, in);
	if (i > 0) {
		attr->extraAttributes = emalloc(sizeof(HashTable));
		zend_hash_init(attr->extraAttributes, i, NULL, delete_extra_attribute, 0);
		while (i > 0) {
			sdlExtraAttributePtr x = emalloc(sizeof(sdlExtraAttribute));
			sdl_deserialize_key(attr->extraAttributes, x, in);
			x->ns = sdl_deserialize_string(in);
			x->val = sdl_deserialize_string(in);
			--i;
		}
	}
}

static sdlRestrictionIntPtr sdl_deserialize_resriction_int(char **in)
{
	if (**in == 1) {
		sdlRestrictionIntPtr x = emalloc(sizeof(sdlRestrictionInt));
		WSDL_CACHE_SKIP(1, in);
		WSDL_CACHE_GET_INT(x->value, in);
		WSDL_CACHE_GET_1(x->fixed, char, in);
		return x;
	} else {
		WSDL_CACHE_SKIP(1, in);
		return NULL;
	}
}

static sdlRestrictionCharPtr sdl_deserialize_resriction_char(char **in)
{
	if (**in == 1) {
		sdlRestrictionCharPtr x = emalloc(sizeof(sdlRestrictionChar));
		WSDL_CACHE_SKIP(1, in);
		x->value = sdl_deserialize_string(in);
		WSDL_CACHE_GET_1(x->fixed, char, in);
		return x;
	} else {
		WSDL_CACHE_SKIP(1, in);
		return NULL;
	}
}

static sdlContentModelPtr sdl_deserialize_model(sdlTypePtr *types, sdlTypePtr *elements, char **in)
{
	size_t i;
	sdlContentModelPtr model = emalloc(sizeof(sdlContentModel));

	WSDL_CACHE_GET_1(model->kind, sdlContentKind, in);
	WSDL_CACHE_GET_INT(model->min_occurs, in);
	WSDL_CACHE_GET_INT(model->max_occurs, in);
	switch (model->kind) {
		case XSD_CONTENT_ELEMENT:
			WSDL_CACHE_GET_INT(i, in);
			model->u.element = elements[i];
			break;
		case XSD_CONTENT_SEQUENCE:
		case XSD_CONTENT_ALL:
		case XSD_CONTENT_CHOICE:
			WSDL_CACHE_GET_INT(i, in);
			model->u.content = emalloc(sizeof(HashTable));
			zend_hash_init(model->u.content, i, NULL, delete_model, 0);
			while (i > 0) {
				sdlContentModelPtr x = sdl_deserialize_model(types, elements, in);
				zend_hash_next_index_insert_ptr(model->u.content, x);
				i--;
			}
			break;
		case XSD_CONTENT_GROUP_REF:
			model->u.group_ref = sdl_deserialize_string(in);
			break;
		case XSD_CONTENT_GROUP:
			WSDL_CACHE_GET_INT(i, in);
			model->u.group = types[i];
			break;
		default:
			break;
	}
	return model;
}

static void sdl_deserialize_type(sdlTypePtr type, sdlTypePtr *types, encodePtr *encoders, char **in)
{
	size_t i;
	sdlTypePtr *elements = NULL;

	WSDL_CACHE_GET_1(type->kind, sdlTypeKind, in);
	type->name = sdl_deserialize_string(in);
	type->namens = sdl_deserialize_string(in);
	type->def = sdl_deserialize_string(in);
	type->fixed = sdl_deserialize_string(in);
	type->ref = sdl_deserialize_string(in);
	WSDL_CACHE_GET_1(type->nillable, char, in);
	WSDL_CACHE_GET_1(type->form, sdlForm, in);

	WSDL_CACHE_GET_INT(i, in);
	type->encode = encoders[i];

	if (**in == 1) {
		WSDL_CACHE_SKIP(1, in);
		type->restrictions = emalloc(sizeof(sdlRestrictions));
		/*memset(type->restrictions, 0, sizeof(sdlRestrictions));*/
		type->restrictions->minExclusive = sdl_deserialize_resriction_int(in);
		type->restrictions->minInclusive = sdl_deserialize_resriction_int(in);
		type->restrictions->maxExclusive = sdl_deserialize_resriction_int(in);
		type->restrictions->maxInclusive = sdl_deserialize_resriction_int(in);
		type->restrictions->totalDigits = sdl_deserialize_resriction_int(in);
		type->restrictions->fractionDigits = sdl_deserialize_resriction_int(in);
		type->restrictions->length = sdl_deserialize_resriction_int(in);
		type->restrictions->minLength = sdl_deserialize_resriction_int(in);
		type->restrictions->maxLength = sdl_deserialize_resriction_int(in);
		type->restrictions->whiteSpace = sdl_deserialize_resriction_char(in);
		type->restrictions->pattern = sdl_deserialize_resriction_char(in);
		WSDL_CACHE_GET_INT(i, in);
		if (i > 0) {
			type->restrictions->enumeration = emalloc(sizeof(HashTable));
			zend_hash_init(type->restrictions->enumeration, i, NULL, delete_restriction_var_char, 0);
			while (i > 0) {
				sdlRestrictionCharPtr x = sdl_deserialize_resriction_char(in);
				sdl_deserialize_key(type->restrictions->enumeration, x, in);
				--i;
			}
		} else {
			type->restrictions->enumeration = NULL;
		}
	} else {
		WSDL_CACHE_SKIP(1, in);
	}

	WSDL_CACHE_GET_INT(i, in);
	if (i > 0) {
		elements = safe_emalloc((i+1), sizeof(sdlTypePtr), 0);
		elements[0] = NULL;
		type->elements = emalloc(sizeof(HashTable));
		zend_hash_init(type->elements, i, NULL, delete_type, 0);
		while (i > 0) {
			sdlTypePtr t = emalloc(sizeof(sdlType));
			memset(t, 0, sizeof(sdlType));
			sdl_deserialize_key(type->elements, t, in);
			sdl_deserialize_type(t, types, encoders, in);
			elements[i] = t;
			--i;
		}
	}

	WSDL_CACHE_GET_INT(i, in);
	if (i > 0) {
		type->attributes = emalloc(sizeof(HashTable));
		zend_hash_init(type->attributes, i, NULL, delete_attribute, 0);
		while (i > 0) {
			sdlAttributePtr attr = emalloc(sizeof(sdlAttribute));
			memset(attr, 0, sizeof(sdlAttribute));
			sdl_deserialize_key(type->attributes, attr, in);
			sdl_deserialize_attribute(attr, encoders, in);
			--i;
		}
	}

	if (**in != 0) {
		WSDL_CACHE_SKIP(1, in);
		type->model = sdl_deserialize_model(types, elements, in);
	} else {
		WSDL_CACHE_SKIP(1, in);
	}
	if (elements != NULL) {
		efree(elements);
	}
}

static void sdl_deserialize_encoder(encodePtr enc, sdlTypePtr *types, char **in)
{
	size_t i;

	WSDL_CACHE_GET_INT(enc->details.type, in);
	enc->details.type_str = sdl_deserialize_string(in);
	enc->details.ns = sdl_deserialize_string(in);
	if (enc->details.ns) {
		enc->details.clark_notation = zend_strpprintf(0, "{%s}%s", enc->details.ns, enc->details.type_str);
	}
	WSDL_CACHE_GET_INT(i, in);
	enc->details.sdl_type = types[i];
	enc->to_xml = sdl_guess_convert_xml;
	enc->to_zval = sdl_guess_convert_zval;

	if (enc->details.sdl_type == NULL) {
		size_t ns_len = strlen(enc->details.ns);
		size_t type_len = strlen(enc->details.type_str);

		if (((ns_len == sizeof(SOAP_1_1_ENC_NAMESPACE)-1 &&
		      memcmp(enc->details.ns, SOAP_1_1_ENC_NAMESPACE, sizeof(SOAP_1_1_ENC_NAMESPACE)-1) == 0) ||
		     (ns_len == sizeof(SOAP_1_2_ENC_NAMESPACE)-1 &&
		      memcmp(enc->details.ns, SOAP_1_2_ENC_NAMESPACE, sizeof(SOAP_1_2_ENC_NAMESPACE)-1) == 0))) {
			char *enc_nscat;
			size_t enc_ns_len;
			size_t enc_len;
			encodePtr real_enc;

			enc_ns_len = sizeof(XSD_NAMESPACE)-1;
			enc_len = enc_ns_len + type_len + 1;
			enc_nscat = zend_cstr_concat3(
				XSD_NAMESPACE, enc_ns_len,
				":", 1,
				enc->details.type_str, type_len);

			real_enc = get_encoder_ex(NULL, enc_nscat, enc_len);
			efree(enc_nscat);
			if (real_enc) {
				enc->to_zval = real_enc->to_zval;
				enc->to_xml = real_enc->to_xml;
			}
		}
	}
}

static void sdl_deserialize_soap_body(sdlSoapBindingFunctionBodyPtr body, encodePtr *encoders, sdlTypePtr *types, char **in)
{
	size_t i, n;

	WSDL_CACHE_GET_1(body->use, sdlEncodingUse, in);
	if (body->use == SOAP_ENCODED) {
		WSDL_CACHE_GET_1(body->encodingStyle, sdlRpcEncodingStyle, in);
	} else {
		body->encodingStyle = SOAP_ENCODING_DEFAULT;
	}
	body->ns = sdl_deserialize_string(in);
	WSDL_CACHE_GET_INT(i, in);
	if (i > 0) {
		body->headers = emalloc(sizeof(HashTable));
		zend_hash_init(body->headers, i, NULL, delete_header, 0);
		while (i > 0) {
			sdlSoapBindingFunctionHeaderPtr tmp = emalloc(sizeof(sdlSoapBindingFunctionHeader));
			memset(tmp, 0, sizeof(sdlSoapBindingFunctionHeader));
			sdl_deserialize_key(body->headers, tmp, in);
			WSDL_CACHE_GET_1(tmp->use, sdlEncodingUse, in);
			if (tmp->use == SOAP_ENCODED) {
				WSDL_CACHE_GET_1(tmp->encodingStyle, sdlRpcEncodingStyle, in);
			} else {
				tmp->encodingStyle = SOAP_ENCODING_DEFAULT;
			}
			tmp->name = sdl_deserialize_string(in);
			tmp->ns = sdl_deserialize_string(in);
			WSDL_CACHE_GET_INT(n, in);
			tmp->encode = encoders[n];
			WSDL_CACHE_GET_INT(n, in);
			tmp->element = types[n];
			--i;

			size_t j;
			WSDL_CACHE_GET_INT(j, in);
			if (j > 0) {
				tmp->headerfaults = emalloc(sizeof(HashTable));
				zend_hash_init(tmp->headerfaults, j, NULL, delete_header, 0);
				while (j > 0) {
					sdlSoapBindingFunctionHeaderPtr tmp2 = emalloc(sizeof(sdlSoapBindingFunctionHeader));
					memset(tmp2, 0, sizeof(sdlSoapBindingFunctionHeader));
					sdl_deserialize_key(tmp->headerfaults, tmp2, in);
					WSDL_CACHE_GET_1(tmp2->use, sdlEncodingUse, in);
					if (tmp2->use == SOAP_ENCODED) {
						WSDL_CACHE_GET_1(tmp2->encodingStyle, sdlRpcEncodingStyle, in);
					} else {
						tmp2->encodingStyle = SOAP_ENCODING_DEFAULT;
					}
					tmp2->name = sdl_deserialize_string(in);
					tmp2->ns = sdl_deserialize_string(in);

					WSDL_CACHE_GET_INT(n, in);
					tmp2->encode = encoders[n];
					WSDL_CACHE_GET_INT(n, in);
					tmp2->element = types[n];
					--j;
				}
			}
		}
	}
}

static HashTable* sdl_deserialize_parameters(encodePtr *encoders, sdlTypePtr *types, char **in)
{
	size_t i, n;
	HashTable *ht;

	WSDL_CACHE_GET_INT(i, in);
	if (i == 0) {return NULL;}
	ht = emalloc(sizeof(HashTable));
	zend_hash_init(ht, i, NULL, delete_parameter, 0);
	while (i > 0) {
		sdlParamPtr param = emalloc(sizeof(sdlParam));
		sdl_deserialize_key(ht, param, in);
		param->paramName = sdl_deserialize_string(in);
		WSDL_CACHE_GET_INT(param->order, in);
		WSDL_CACHE_GET_INT(n, in);
		param->encode = encoders[n];
		WSDL_CACHE_GET_INT(n, in);
		param->element = types[n];
		--i;
	}
	return ht;
}

static sdlPtr get_sdl_from_cache(const char *fn, const char *uri, size_t uri_len, time_t t, time_t *cached)
{
	sdlPtr sdl;
	time_t old_t;
	int  i, num_groups, num_types, num_elements, num_encoders, num_bindings, num_func;
	sdlFunctionPtr *functions = NULL;
	sdlBindingPtr *bindings;
	sdlTypePtr *types;
	encodePtr *encoders;
	const encode *enc;

	int f;
	struct stat st;
	char *in, *buf;

	f = open(fn, O_RDONLY|O_BINARY);
	if (UNEXPECTED(f < 0)) {
		return NULL;
	}
	if (UNEXPECTED(fstat(f, &st) != 0)) {
		close(f);
		return NULL;
	}
	buf = in = emalloc(st.st_size);
	if (UNEXPECTED(read(f, in, st.st_size) != st.st_size)) {
		close(f);
		efree(in);
		return NULL;
	}
	close(f);

	if (UNEXPECTED(strncmp(in,"wsdl",4) != 0 || in[4] != WSDL_CACHE_VERSION || in[5] != '\0')) {
		unlink(fn);
		efree(buf);
		return NULL;
	}
	in += 6;

	WSDL_CACHE_GET(old_t, time_t, &in);
	if (old_t < t) {
		unlink(fn);
		efree(buf);
		return NULL;
	}
	*cached = old_t;

	WSDL_CACHE_GET_INT(i, &in);
	if (i != uri_len || strncmp(in, uri, i) != 0) {
		unlink(fn);
		efree(buf);
		return NULL;
	}
	WSDL_CACHE_SKIP(i, &in);

	sdl = emalloc(sizeof(*sdl));
	memset(sdl, 0, sizeof(*sdl));

	sdl->source = sdl_deserialize_string(&in);
	sdl->target_ns = sdl_deserialize_string(&in);

	WSDL_CACHE_GET_INT(num_groups, &in);
	WSDL_CACHE_GET_INT(num_types, &in);
	WSDL_CACHE_GET_INT(num_elements, &in);
	WSDL_CACHE_GET_INT(num_encoders, &in);

	i = num_groups+num_types+num_elements;
	types = safe_emalloc((i+1), sizeof(sdlTypePtr), 0);
	types[0] = NULL;
	while (i > 0) {
		types[i] = emalloc(sizeof(sdlType));
		memset(types[i], 0, sizeof(sdlType));
		i--;
	}

	i = num_encoders;
	enc = defaultEncoding;
	while (enc->details.type != END_KNOWN_TYPES) {
		i++; enc++;
	}
	encoders = safe_emalloc((i+1), sizeof(encodePtr), 0);
	i = num_encoders;
	encoders[0] = NULL;
	while (i > 0) {
		encoders[i] = emalloc(sizeof(encode));
		memset(encoders[i], 0, sizeof(encode));
		i--;
	}
	i = num_encoders;
	enc = defaultEncoding;
	while (enc->details.type != END_KNOWN_TYPES) {
		encoders[++i] = (encodePtr)enc++;
	}

	i = 1;
	if (num_groups > 0) {
		sdl->groups = emalloc(sizeof(HashTable));
		zend_hash_init(sdl->groups, num_groups, NULL, delete_type, 0);
		while (i < num_groups+1) {
			sdl_deserialize_key(sdl->groups, types[i], &in);
			sdl_deserialize_type(types[i], types, encoders, &in);
			i++;
		}
	}

	if (num_types > 0) {
		sdl->types = emalloc(sizeof(HashTable));
		zend_hash_init(sdl->types, num_types, NULL, delete_type, 0);
		while (i < num_groups+num_types+1) {
			sdl_deserialize_key(sdl->types, types[i], &in);
			sdl_deserialize_type(types[i], types, encoders, &in);
			i++;
		}
	}

	if (num_elements > 0) {
		sdl->elements = emalloc(sizeof(HashTable));
		zend_hash_init(sdl->elements, num_elements, NULL, delete_type, 0);
		while (i < num_groups+num_types+num_elements+1) {
			sdl_deserialize_key(sdl->elements, types[i], &in);
			sdl_deserialize_type(types[i], types, encoders, &in);
			i++;
		}
	}

	i = 1;
	if (num_encoders > 0) {
		sdl->encoders = emalloc(sizeof(HashTable));
		zend_hash_init(sdl->encoders, num_encoders, NULL, delete_encoder, 0);
		while (i < num_encoders+1) {
			sdl_deserialize_key(sdl->encoders, encoders[i], &in);
			sdl_deserialize_encoder(encoders[i], types, &in);
			i++;
		}
	}

	/* deserialize bindings */
	WSDL_CACHE_GET_INT(num_bindings, &in);
	bindings = safe_emalloc(num_bindings, sizeof(sdlBindingPtr), 0);
	if (num_bindings > 0) {
		sdl->bindings = emalloc(sizeof(HashTable));
		zend_hash_init(sdl->bindings, num_bindings, NULL, delete_binding, 0);
		for (i = 0; i < num_bindings; i++) {
			sdlBindingPtr binding = emalloc(sizeof(sdlBinding));
			memset(binding, 0, sizeof(sdlBinding));
			sdl_deserialize_key(sdl->bindings, binding, &in);
			binding->name = sdl_deserialize_string(&in);
			binding->location = sdl_deserialize_string(&in);
			WSDL_CACHE_GET_1(binding->bindingType,sdlBindingType,&in);
			if (binding->bindingType == BINDING_SOAP && *in != 0) {
			  sdlSoapBindingPtr soap_binding = binding->bindingAttributes = emalloc(sizeof(sdlSoapBinding));
				WSDL_CACHE_GET_1(soap_binding->style,sdlEncodingStyle,&in);
				WSDL_CACHE_GET_1(soap_binding->transport,sdlTransport,&in);
			} else {
				WSDL_CACHE_SKIP(1,&in);
			}
			bindings[i] = binding;
		}
	}

	/* deserialize functions */
	WSDL_CACHE_GET_INT(num_func, &in);
	zend_hash_init(&sdl->functions, num_func, NULL, delete_function, 0);
	if (num_func > 0) {
		functions = safe_emalloc(num_func, sizeof(sdlFunctionPtr), 0);
		for (i = 0; i < num_func; i++) {
			int binding_num, num_faults;
			sdlFunctionPtr func = emalloc(sizeof(sdlFunction));
			sdl_deserialize_key(&sdl->functions, func, &in);
			func->functionName = sdl_deserialize_string(&in);
			func->requestName = sdl_deserialize_string(&in);
			func->responseName = sdl_deserialize_string(&in);

			WSDL_CACHE_GET_INT(binding_num, &in);
			if (binding_num == 0) {
				func->binding = NULL;
			} else {
				func->binding = bindings[binding_num-1];
			}
			if (func->binding && func->binding->bindingType == BINDING_SOAP && *in != 0) {
				sdlSoapBindingFunctionPtr binding = func->bindingAttributes = emalloc(sizeof(sdlSoapBindingFunction));
				memset(binding, 0, sizeof(sdlSoapBindingFunction));
				WSDL_CACHE_GET_1(binding->style,sdlEncodingStyle,&in);
				binding->soapAction = sdl_deserialize_string(&in);
				sdl_deserialize_soap_body(&binding->input, encoders, types, &in);
				sdl_deserialize_soap_body(&binding->output, encoders, types, &in);
			} else {
				WSDL_CACHE_SKIP(1, &in);
				func->bindingAttributes = NULL;
			}

			func->requestParameters = sdl_deserialize_parameters(encoders, types, &in);
			func->responseParameters = sdl_deserialize_parameters(encoders, types, &in);

			WSDL_CACHE_GET_INT(num_faults, &in);
			if (num_faults > 0) {
			  int j;

				func->faults = emalloc(sizeof(HashTable));
				zend_hash_init(func->faults, num_faults, NULL, delete_fault, 0);

				for (j = 0; j < num_faults; j++) {
					sdlFaultPtr fault = emalloc(sizeof(sdlFault));

					sdl_deserialize_key(func->faults, fault, &in);
					fault->name =sdl_deserialize_string(&in);
					fault->details =sdl_deserialize_parameters(encoders, types, &in);
					if (*in != 0) {
						sdlSoapBindingFunctionFaultPtr binding = fault->bindingAttributes = emalloc(sizeof(sdlSoapBindingFunctionFault));
						memset(binding, 0, sizeof(sdlSoapBindingFunctionFault));
						WSDL_CACHE_GET_1(binding->use,sdlEncodingUse,&in);
						if (binding->use == SOAP_ENCODED) {
							WSDL_CACHE_GET_1(binding->encodingStyle, sdlRpcEncodingStyle, &in);
						} else {
							binding->encodingStyle = SOAP_ENCODING_DEFAULT;
						}
						binding->ns = sdl_deserialize_string(&in);
					} else {
						WSDL_CACHE_SKIP(1, &in);
						fault->bindingAttributes = NULL;
					}
				}
			} else {
				func->faults = NULL;
			}
			functions[i] = func;
		}
	}

	/* deserialize requests */
	WSDL_CACHE_GET_INT(i, &in);
	if (i > 0) {
		sdl->requests = emalloc(sizeof(HashTable));
		zend_hash_init(sdl->requests, i, NULL, NULL, 0);
		while (i > 0) {
			int function_num;

			WSDL_CACHE_GET_INT(function_num, &in);
			sdl_deserialize_key(sdl->requests, functions[function_num-1], &in);
			i--;
		}
	}

	if (functions) {
		efree(functions);
	}
	efree(bindings);
	efree(encoders);
	efree(types);
	efree(buf);
	return sdl;
}

static void sdl_serialize_string(const char *str, smart_str *out)
{
	if (str) {
		size_t i = strlen(str);
		WSDL_CACHE_PUT_INT(i, out);
		if (i > 0) {
			WSDL_CACHE_PUT_N(str, i, out);
		}
	} else {
		WSDL_CACHE_PUT_INT(WSDL_NO_STRING_MARKER, out);
	}
}

// TODO: refactor it
static void sdl_serialize_key(const zend_string *key, smart_str *out)
{
	if (key) {
		WSDL_CACHE_PUT_INT(ZSTR_LEN(key), out);
		WSDL_CACHE_PUT_N(ZSTR_VAL(key), ZSTR_LEN(key), out);
	} else {
		WSDL_CACHE_PUT_INT(WSDL_NO_STRING_MARKER, out);
	}
}

static void sdl_serialize_encoder_ref(const encodePtr enc, const HashTable *tmp_encoders, smart_str *out) {
	if (enc) {
		zval *encoder_num;
		if ((encoder_num = zend_hash_str_find(tmp_encoders, (const char*)&enc, sizeof(enc))) != 0) {
			WSDL_CACHE_PUT_INT(Z_LVAL_P(encoder_num), out);
		} else {
			WSDL_CACHE_PUT_INT(0, out);
		}
	} else {
		WSDL_CACHE_PUT_INT(0, out);
	}
}

static void sdl_serialize_type_ref(const sdlTypePtr type, const HashTable *tmp_types, smart_str *out) {
	if (type) {
		zval *type_num;
		if ((type_num = zend_hash_str_find(tmp_types, (const char*)&type, sizeof(type))) != NULL) {
			WSDL_CACHE_PUT_INT(Z_LVAL_P(type_num), out);
		} else {
			WSDL_CACHE_PUT_INT(0, out);
		}
	} else {
		WSDL_CACHE_PUT_INT(0,out);
	}
}

static void sdl_serialize_attribute(const sdlAttributePtr attr, const HashTable *tmp_encoders, smart_str *out)
{
	size_t i;

	sdl_serialize_string(attr->name, out);
	sdl_serialize_string(attr->namens, out);
	sdl_serialize_string(attr->ref, out);
	sdl_serialize_string(attr->def, out);
	sdl_serialize_string(attr->fixed, out);
	WSDL_CACHE_PUT_1(attr->form, out);
	WSDL_CACHE_PUT_1(attr->use, out);
	sdl_serialize_encoder_ref(attr->encode, tmp_encoders, out);
	if (attr->extraAttributes) {
		i = zend_hash_num_elements(attr->extraAttributes);
	} else {
		i = 0;
	}
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		sdlExtraAttributePtr tmp;
		const zend_string *key;

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(attr->extraAttributes, key, tmp) {
			sdl_serialize_key(key, out);
			sdl_serialize_string(tmp->ns, out);
			sdl_serialize_string(tmp->val, out);
		} ZEND_HASH_FOREACH_END();
	}
}

static void sdl_serialize_model(const sdlContentModelPtr model, const HashTable *tmp_types, const HashTable *tmp_elements, smart_str *out)
{
	WSDL_CACHE_PUT_1(model->kind, out);
	WSDL_CACHE_PUT_INT(model->min_occurs, out);
	WSDL_CACHE_PUT_INT(model->max_occurs, out);
	switch (model->kind) {
		case XSD_CONTENT_ELEMENT:
			sdl_serialize_type_ref(model->u.element, tmp_elements, out);
			break;
		case XSD_CONTENT_SEQUENCE:
		case XSD_CONTENT_ALL:
		case XSD_CONTENT_CHOICE: {
				sdlContentModelPtr tmp;
				size_t i = zend_hash_num_elements(model->u.content);

				WSDL_CACHE_PUT_INT(i, out);
				ZEND_HASH_FOREACH_PTR(model->u.content, tmp) {
					sdl_serialize_model(tmp, tmp_types, tmp_elements, out);
				} ZEND_HASH_FOREACH_END();
			}
			break;
		case XSD_CONTENT_GROUP_REF:
			sdl_serialize_string(model->u.group_ref,out);
			break;
		case XSD_CONTENT_GROUP:
			sdl_serialize_type_ref(model->u.group, tmp_types, out);
			break;
		default:
			break;
	}
}

static void sdl_serialize_resriction_int(const sdlRestrictionIntPtr x, smart_str *out)
{
	if (x) {
		WSDL_CACHE_PUT_1(1, out);
		WSDL_CACHE_PUT_INT(x->value, out);
		WSDL_CACHE_PUT_1(x->fixed, out);
	} else {
		WSDL_CACHE_PUT_1(0, out);
	}
}

static void sdl_serialize_resriction_char(const sdlRestrictionCharPtr x, smart_str *out)
{
	if (x) {
		WSDL_CACHE_PUT_1(1, out);
		sdl_serialize_string(x->value, out);
		WSDL_CACHE_PUT_1(x->fixed, out);
	} else {
		WSDL_CACHE_PUT_1(0, out);
	}
}

static void sdl_serialize_type(const sdlTypePtr type, const HashTable *tmp_encoders, const HashTable *tmp_types, smart_str *out)
{
	size_t i;
	HashTable *tmp_elements = NULL;

	WSDL_CACHE_PUT_1(type->kind, out);
	sdl_serialize_string(type->name, out);
	sdl_serialize_string(type->namens, out);
	sdl_serialize_string(type->def, out);
	sdl_serialize_string(type->fixed, out);
	sdl_serialize_string(type->ref, out);
	WSDL_CACHE_PUT_1(type->nillable, out);
	WSDL_CACHE_PUT_1(type->form, out);
	sdl_serialize_encoder_ref(type->encode, tmp_encoders, out);

	if (type->restrictions) {
		WSDL_CACHE_PUT_1(1, out);
		sdl_serialize_resriction_int(type->restrictions->minExclusive,out);
		sdl_serialize_resriction_int(type->restrictions->minInclusive,out);
		sdl_serialize_resriction_int(type->restrictions->maxExclusive,out);
		sdl_serialize_resriction_int(type->restrictions->maxInclusive,out);
		sdl_serialize_resriction_int(type->restrictions->totalDigits,out);
		sdl_serialize_resriction_int(type->restrictions->fractionDigits,out);
		sdl_serialize_resriction_int(type->restrictions->length,out);
		sdl_serialize_resriction_int(type->restrictions->minLength,out);
		sdl_serialize_resriction_int(type->restrictions->maxLength,out);
		sdl_serialize_resriction_char(type->restrictions->whiteSpace,out);
		sdl_serialize_resriction_char(type->restrictions->pattern,out);
		if (type->restrictions->enumeration) {
			i = zend_hash_num_elements(type->restrictions->enumeration);
		} else {
			i = 0;
		}
		WSDL_CACHE_PUT_INT(i, out);
		if (i > 0) {
			sdlRestrictionCharPtr tmp;
			const zend_string *key;

			ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(type->restrictions->enumeration, key, tmp) {
				sdl_serialize_resriction_char(tmp, out);
				sdl_serialize_key(key, out);
			} ZEND_HASH_FOREACH_END();
		}
	} else {
		WSDL_CACHE_PUT_1(0, out);
	}
	if (type->elements) {
		i = zend_hash_num_elements(type->elements);
	} else {
		i = 0;
	}
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		sdlTypePtr tmp;
		const zend_string *key;
		zval zv;

		tmp_elements = emalloc(sizeof(HashTable));
		zend_hash_init(tmp_elements, i, NULL, NULL, 0);

		ZEND_HASH_FOREACH_STR_KEY_PTR(type->elements, key, tmp) {
			sdl_serialize_key(key, out);
			sdl_serialize_type(tmp, tmp_encoders, tmp_types, out);
			ZVAL_LONG(&zv, i);
			zend_hash_str_add(tmp_elements, (char*)&tmp, sizeof(tmp), &zv);
			i--;
		} ZEND_HASH_FOREACH_END();
	}

	if (type->attributes) {
		i = zend_hash_num_elements(type->attributes);
	} else {
		i = 0;
	}
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		sdlAttributePtr tmp;
		const zend_string *key;

		ZEND_HASH_FOREACH_STR_KEY_PTR(type->attributes, key, tmp) {
			sdl_serialize_key(key, out);
			sdl_serialize_attribute(tmp, tmp_encoders, out);
		} ZEND_HASH_FOREACH_END();
	}
	if (type->model) {
		WSDL_CACHE_PUT_1(1, out);
		sdl_serialize_model(type->model, tmp_types, tmp_elements, out);
	} else {
		WSDL_CACHE_PUT_1(0, out);
	}
	if (tmp_elements != NULL) {
		zend_hash_destroy(tmp_elements);
		efree(tmp_elements);
	}
}

static void sdl_serialize_encoder(const encodePtr enc, const HashTable *tmp_types, smart_str *out)
{
	WSDL_CACHE_PUT_INT(enc->details.type, out);
	sdl_serialize_string(enc->details.type_str, out);
	sdl_serialize_string(enc->details.ns, out);
	sdl_serialize_type_ref(enc->details.sdl_type, tmp_types, out);
}

static void sdl_serialize_parameters(const HashTable *ht, const HashTable *tmp_encoders, const HashTable *tmp_types, smart_str *out)
{
	size_t i;

	if (ht) {
		i = zend_hash_num_elements(ht);
	} else {
		i = 0;
	}
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		sdlParamPtr tmp;
		const zend_string *key;

		ZEND_HASH_FOREACH_STR_KEY_PTR(ht, key, tmp) {
			sdl_serialize_key(key, out);
			sdl_serialize_string(tmp->paramName, out);
			WSDL_CACHE_PUT_INT(tmp->order, out);
			sdl_serialize_encoder_ref(tmp->encode, tmp_encoders, out);
			sdl_serialize_type_ref(tmp->element, tmp_types, out);
		} ZEND_HASH_FOREACH_END();
	}
}

static void sdl_serialize_soap_body(const sdlSoapBindingFunctionBodyPtr body, const HashTable *tmp_encoders, const HashTable *tmp_types, smart_str *out)
{
	size_t i, j;

	WSDL_CACHE_PUT_1(body->use, out);
	if (body->use == SOAP_ENCODED) {
		WSDL_CACHE_PUT_1(body->encodingStyle, out);
	}
	sdl_serialize_string(body->ns, out);
	if (body->headers) {
		i = zend_hash_num_elements(body->headers);
	} else {
		i = 0;
	}
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		sdlSoapBindingFunctionHeaderPtr tmp;
		const zend_string *key;

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(body->headers, key, tmp) {
			sdl_serialize_key(key, out);
			WSDL_CACHE_PUT_1(tmp->use, out);
			if (tmp->use == SOAP_ENCODED) {
				WSDL_CACHE_PUT_1(tmp->encodingStyle, out);
			}
			sdl_serialize_string(tmp->name, out);
			sdl_serialize_string(tmp->ns, out);
			sdl_serialize_encoder_ref(tmp->encode, tmp_encoders, out);
			sdl_serialize_type_ref(tmp->element, tmp_types, out);
			if (tmp->headerfaults) {
				j = zend_hash_num_elements(tmp->headerfaults);
			} else {
				j = 0;
			}
			WSDL_CACHE_PUT_INT(j, out);
			if (j > 0) {
				sdlSoapBindingFunctionHeaderPtr tmp2;
				const zend_string *key_inner;

				ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(body->headers, key_inner, tmp2) {
					sdl_serialize_key(key_inner, out);
					WSDL_CACHE_PUT_1(tmp2->use, out);
					if (tmp2->use == SOAP_ENCODED) {
						WSDL_CACHE_PUT_1(tmp2->encodingStyle, out);
					}
					sdl_serialize_string(tmp2->name, out);
					sdl_serialize_string(tmp2->ns, out);
					sdl_serialize_encoder_ref(tmp2->encode, tmp_encoders, out);
					sdl_serialize_type_ref(tmp2->element, tmp_types, out);
				} ZEND_HASH_FOREACH_END();
			}
		} ZEND_HASH_FOREACH_END();
	}
}

static void add_sdl_to_cache(const char *fn, const char *uri, time_t t, sdlPtr sdl)
{
	smart_str buf = {0};
	smart_str *out = &buf;
	int i;
	int type_num = 1;
	int encoder_num = 1;
	int f;
	const encode *enc;
	HashTable tmp_types;
	HashTable tmp_encoders;
	HashTable tmp_bindings;
	HashTable tmp_functions;

	/* To avoid race conditions, we first create a temporary file and then rename it atomically
	 * at the end of the function. (see bug #66150) */
	zend_string *temp_file_path;
	f = php_open_temporary_fd_ex(SOAP_GLOBAL(cache_dir), "tmp.wsdl.", &temp_file_path, PHP_TMP_FILE_SILENT);

	if (UNEXPECTED(f < 0)) {return;}

	zend_hash_init(&tmp_types, 0, NULL, NULL, 0);
	zend_hash_init(&tmp_encoders, 0, NULL, NULL, 0);
	zend_hash_init(&tmp_bindings, 0, NULL, NULL, 0);
	zend_hash_init(&tmp_functions, 0, NULL, NULL, 0);

	WSDL_CACHE_PUT_N("wsdl", 4, out);
	WSDL_CACHE_PUT_1(WSDL_CACHE_VERSION,out);
	WSDL_CACHE_PUT_1(0,out);
	WSDL_CACHE_PUT_N((char*)&t, sizeof(t), out);

	sdl_serialize_string(uri, out);
	sdl_serialize_string(sdl->source, out);
	sdl_serialize_string(sdl->target_ns, out);

	if (sdl->groups) {
		i = zend_hash_num_elements(sdl->groups);
	} else {
		i = 0;
	}
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		sdlTypePtr tmp;
		zval zv;

		ZEND_HASH_MAP_FOREACH_PTR(sdl->groups, tmp) {
			ZVAL_LONG(&zv, type_num);
			zend_hash_str_add(&tmp_types, (char*)&tmp, sizeof(tmp), &zv);
			++type_num;
		} ZEND_HASH_FOREACH_END();
	}

	if (sdl->types) {
		i = zend_hash_num_elements(sdl->types);
	} else {
		i = 0;
	}
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		sdlTypePtr tmp;
		zval zv;

		ZEND_HASH_FOREACH_PTR(sdl->types, tmp) {
			ZVAL_LONG(&zv,  type_num);
			zend_hash_str_add(&tmp_types, (char*)&tmp, sizeof(tmp), &zv);
			++type_num;
		} ZEND_HASH_FOREACH_END();
	}

	if (sdl->elements) {
		i = zend_hash_num_elements(sdl->elements);
	} else {
		i = 0;
	}
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		sdlTypePtr tmp;
		zval zv;

		ZEND_HASH_MAP_FOREACH_PTR(sdl->elements, tmp) {
			ZVAL_LONG(&zv, type_num);
			zend_hash_str_add(&tmp_types, (char*)&tmp, sizeof(tmp), &zv);
			++type_num;
		} ZEND_HASH_FOREACH_END();
	}

	if (sdl->encoders) {
		i = zend_hash_num_elements(sdl->encoders);
	} else {
		i = 0;
	}
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		encodePtr tmp;
		zval zv;

		ZEND_HASH_FOREACH_PTR(sdl->encoders, tmp) {
			ZVAL_LONG(&zv, encoder_num);
			zend_hash_str_add(&tmp_encoders, (char*)&tmp, sizeof(tmp), &zv);
			++encoder_num;
		} ZEND_HASH_FOREACH_END();
	}
	enc = defaultEncoding;
	while (enc->details.type != END_KNOWN_TYPES) {
		zval zv;

		ZVAL_LONG(&zv, encoder_num);
		zend_hash_str_add(&tmp_encoders, (char*)&enc, sizeof(encodePtr), &zv);
		enc++;
		++encoder_num;
	}

	if (sdl->groups) {
		sdlTypePtr tmp;
		const zend_string *key;

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(sdl->groups, key, tmp) {
			sdl_serialize_key(key, out);
			sdl_serialize_type(tmp, &tmp_encoders, &tmp_types, out);
		} ZEND_HASH_FOREACH_END();
	}

	if (sdl->types) {
		sdlTypePtr tmp;
		const zend_string *key;

		ZEND_HASH_FOREACH_STR_KEY_PTR(sdl->types, key, tmp) {
			sdl_serialize_key(key, out);
			sdl_serialize_type(tmp, &tmp_encoders, &tmp_types, out);
		} ZEND_HASH_FOREACH_END();
	}

	if (sdl->elements) {
		sdlTypePtr tmp;
		const zend_string *key;

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(sdl->elements, key, tmp) {
			sdl_serialize_key(key, out);
			sdl_serialize_type(tmp, &tmp_encoders, &tmp_types, out);
		} ZEND_HASH_FOREACH_END();
	}

	if (sdl->encoders) {
		encodePtr tmp;
		const zend_string *key;

		ZEND_HASH_FOREACH_STR_KEY_PTR(sdl->encoders, key, tmp) {
			sdl_serialize_key(key, out);
			sdl_serialize_encoder(tmp, &tmp_types, out);
		} ZEND_HASH_FOREACH_END();
	}

	/* serialize bindings */
	if (sdl->bindings) {
		i = zend_hash_num_elements(sdl->bindings);
	} else {
		i = 0;
	}
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		sdlBindingPtr tmp;
		int binding_num = 1;
		zval zv;
		const zend_string *key;

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(sdl->bindings, key, tmp) {
			sdl_serialize_key(key, out);
			sdl_serialize_string(tmp->name, out);
			sdl_serialize_string(tmp->location, out);
			WSDL_CACHE_PUT_1(tmp->bindingType,out);
			if (tmp->bindingType == BINDING_SOAP && tmp->bindingAttributes != NULL) {
				sdlSoapBindingPtr binding = (sdlSoapBindingPtr)tmp->bindingAttributes;
				WSDL_CACHE_PUT_1(binding->style, out);
				WSDL_CACHE_PUT_1(binding->transport, out);
			} else {
				WSDL_CACHE_PUT_1(0,out);
			}

			ZVAL_LONG(&zv, binding_num);
			zend_hash_str_add(&tmp_bindings, (char*)&tmp, sizeof(tmp), &zv);
			binding_num++;
		} ZEND_HASH_FOREACH_END();
	}

	/* serialize functions */
	i = zend_hash_num_elements(&sdl->functions);
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		sdlFunctionPtr tmp;
		zval *binding_num, zv;
		int function_num = 1;
		const zend_string *key;

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(&sdl->functions, key, tmp) {
			sdl_serialize_key(key, out);
			sdl_serialize_string(tmp->functionName, out);
			sdl_serialize_string(tmp->requestName, out);
			sdl_serialize_string(tmp->responseName, out);

			if (tmp->binding) {
				binding_num = zend_hash_str_find(&tmp_bindings,(char*)&tmp->binding, sizeof(tmp->binding));
				if (binding_num) {
					WSDL_CACHE_PUT_INT(Z_LVAL_P(binding_num), out);
					if (Z_LVAL_P(binding_num) >= 0) {
						if (tmp->binding->bindingType == BINDING_SOAP && tmp->bindingAttributes != NULL) {
							sdlSoapBindingFunctionPtr binding = (sdlSoapBindingFunctionPtr)tmp->bindingAttributes;
							WSDL_CACHE_PUT_1(binding->style, out);
							sdl_serialize_string(binding->soapAction, out);
							sdl_serialize_soap_body(&binding->input, &tmp_encoders, &tmp_types, out);
							sdl_serialize_soap_body(&binding->output, &tmp_encoders, &tmp_types, out);
						} else {
							WSDL_CACHE_PUT_1(0,out);
						}
					}
				}
			}
			sdl_serialize_parameters(tmp->requestParameters, &tmp_encoders, &tmp_types, out);
			sdl_serialize_parameters(tmp->responseParameters, &tmp_encoders, &tmp_types, out);

			if (tmp->faults) {
				sdlFaultPtr fault;
				const zend_string *key_inner;

				WSDL_CACHE_PUT_INT(zend_hash_num_elements(tmp->faults), out);

				ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(tmp->faults, key_inner, fault) {
					sdl_serialize_key(key_inner, out);
					sdl_serialize_string(fault->name, out);
					sdl_serialize_parameters(fault->details, &tmp_encoders, &tmp_types, out);
					if (tmp->binding->bindingType == BINDING_SOAP && fault->bindingAttributes != NULL) {
						sdlSoapBindingFunctionFaultPtr binding = (sdlSoapBindingFunctionFaultPtr)fault->bindingAttributes;
						WSDL_CACHE_PUT_1(binding->use, out);
						if (binding->use == SOAP_ENCODED) {
							WSDL_CACHE_PUT_1(binding->encodingStyle, out);
						}
						sdl_serialize_string(binding->ns, out);
					} else {
						WSDL_CACHE_PUT_1(0, out);
					}
				} ZEND_HASH_FOREACH_END();
			} else {
				WSDL_CACHE_PUT_INT(0, out);
			}

			ZVAL_LONG(&zv, function_num);
			zend_hash_str_add(&tmp_functions, (char*)&tmp, sizeof(tmp), &zv);
			function_num++;
		} ZEND_HASH_FOREACH_END();
	}

	/* serialize requests */
	if (sdl->requests) {
		i = zend_hash_num_elements(sdl->requests);
	} else {
		i = 0;
	}
	WSDL_CACHE_PUT_INT(i, out);
	if (i > 0) {
		sdlFunctionPtr tmp;
		zval *function_num;
		const zend_string *key;

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(sdl->requests, key, tmp) {
			function_num = zend_hash_str_find(&tmp_functions, (char*)&tmp, sizeof(tmp));
			WSDL_CACHE_PUT_INT(Z_LVAL_P(function_num), out);
			sdl_serialize_key(key, out);
		} ZEND_HASH_FOREACH_END();
	}

	bool valid_file = write(f, ZSTR_VAL(buf.s), ZSTR_LEN(buf.s)) == ZSTR_LEN(buf.s);
	close(f);

	/* Make sure that incomplete files (e.g. due to disk space issues, see bug #66150) are not utilised. */
	if (valid_file) {
		/* This is allowed to fail, this means that another process was raced to create the file. */
		if (VCWD_RENAME(ZSTR_VAL(temp_file_path), fn) < 0) {
			VCWD_UNLINK(ZSTR_VAL(temp_file_path));
		}
	}

	smart_str_free(&buf);
	zend_hash_destroy(&tmp_functions);
	zend_hash_destroy(&tmp_bindings);
	zend_hash_destroy(&tmp_encoders);
	zend_hash_destroy(&tmp_types);
	zend_string_release_ex(temp_file_path, false);
}


static void make_persistent_restriction_int(void *data)
{
	sdlRestrictionIntPtr *rest = (sdlRestrictionIntPtr *)data;
	sdlRestrictionIntPtr prest = NULL;

	prest = malloc(sizeof(sdlRestrictionInt));
	*prest = **rest;
	*rest = prest;
}


static void make_persistent_restriction_char_int(sdlRestrictionCharPtr *rest)
{
	sdlRestrictionCharPtr prest = NULL;

	prest = malloc(sizeof(sdlRestrictionChar));
	memset(prest, 0, sizeof(sdlRestrictionChar));
	prest->value = strdup((*rest)->value);
	prest->fixed = (*rest)->fixed;
	*rest = prest;
}


static void make_persistent_sdl_type_ref(sdlTypePtr *type, HashTable *ptr_map, HashTable *bp_types)
{
	sdlTypePtr tmp;

	if ((tmp = zend_hash_str_find_ptr(ptr_map, (char *)type, sizeof(sdlTypePtr))) != NULL) {
		*type = tmp;
	} else {
		zend_hash_next_index_insert_ptr(bp_types, *type);
	}
}


static void make_persistent_sdl_encoder_ref(encodePtr *enc, HashTable *ptr_map, HashTable *bp_encoders)
{
	encodePtr tmp;

	/* do not process defaultEncoding's here */
	if ((*enc) >= defaultEncoding && (*enc) < defaultEncoding + numDefaultEncodings) {
		return;
	}

	if ((tmp = zend_hash_str_find_ptr(ptr_map, (char *)enc, sizeof(encodePtr))) != NULL) {
		*enc = tmp;
	} else {
		zend_hash_next_index_insert_ptr(bp_encoders, enc);
	}
}


static HashTable* make_persistent_sdl_function_headers(HashTable *headers, HashTable *ptr_map)
{
	HashTable *pheaders;
	sdlSoapBindingFunctionHeaderPtr tmp, pheader;
	encodePtr penc;
	sdlTypePtr ptype;
	zend_string *key;

	pheaders = malloc(sizeof(HashTable));
	zend_hash_init(pheaders, zend_hash_num_elements(headers), NULL, delete_header_persistent, 1);

	ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(headers, key, tmp) {
		pheader = malloc(sizeof(sdlSoapBindingFunctionHeader));
		*pheader = *tmp;

		if (pheader->name) {
			pheader->name = strdup(pheader->name);
		}
		if (pheader->ns) {
			pheader->ns = strdup(pheader->ns);
		}

		if (pheader->encode && pheader->encode->details.sdl_type) {
			if ((penc = zend_hash_str_find_ptr(ptr_map, (char*)&pheader->encode, sizeof(encodePtr))) == NULL) {
				assert(0);
			}
			pheader->encode = penc;
		}
		if (pheader->element) {
			if ((ptype = zend_hash_str_find_ptr(ptr_map, (char*)&pheader->element, sizeof(sdlTypePtr))) == NULL) {
				assert(0);
			}
			pheader->element = ptype;
		}

		if (pheader->headerfaults) {
			pheader->headerfaults = make_persistent_sdl_function_headers(pheader->headerfaults, ptr_map);
		}

		if (key) {
			/* We have to duplicate key emalloc->malloc */
			zend_hash_str_add_ptr(pheaders, ZSTR_VAL(key), ZSTR_LEN(key), pheader);
		} else {
			zend_hash_next_index_insert_ptr(pheaders, pheader);
		}
	} ZEND_HASH_FOREACH_END();

	return pheaders;
}


static void make_persistent_sdl_soap_body(sdlSoapBindingFunctionBodyPtr body, HashTable *ptr_map)
{
	if (body->ns) {
		body->ns = strdup(body->ns);
	}

	if (body->headers) {
		body->headers = make_persistent_sdl_function_headers(body->headers, ptr_map);
	}
}


static HashTable* make_persistent_sdl_parameters(HashTable *params, HashTable *ptr_map)
{
	HashTable *pparams;
	sdlParamPtr tmp, pparam;
	sdlTypePtr ptype;
	encodePtr penc;
	zend_string *key;

	pparams = malloc(sizeof(HashTable));
	zend_hash_init(pparams, zend_hash_num_elements(params), NULL, delete_parameter_persistent, 1);

	ZEND_HASH_FOREACH_STR_KEY_PTR(params, key, tmp) {
		pparam = malloc(sizeof(sdlParam));
		*pparam = *tmp;

		if (pparam->paramName) {
			pparam->paramName = strdup(pparam->paramName);
		}

		if (pparam->encode && pparam->encode->details.sdl_type) {
			if ((penc = zend_hash_str_find_ptr(ptr_map, (char*)&pparam->encode, sizeof(encodePtr))) == NULL) {
				assert(0);
			}
			pparam->encode = penc;
		}
		if (pparam->element) {
			if ((ptype = zend_hash_str_find_ptr(ptr_map, (char*)&pparam->element, sizeof(sdlTypePtr))) == NULL) {
				assert(0);
			}
			pparam->element = ptype;
		}

		if (key) {
			/* We have to duplicate key emalloc->malloc */
			zend_hash_str_add_ptr(pparams, ZSTR_VAL(key), ZSTR_LEN(key), pparam);
		} else {
			zend_hash_next_index_insert_ptr(pparams, pparam);
		}
	} ZEND_HASH_FOREACH_END();

	return pparams;
}

static HashTable* make_persistent_sdl_function_faults(sdlFunctionPtr func, HashTable *faults, HashTable *ptr_map)
{
	HashTable *pfaults;
	sdlFaultPtr tmp, pfault;
	zend_string *key;

	pfaults = malloc(sizeof(HashTable));
	zend_hash_init(pfaults, zend_hash_num_elements(faults), NULL, delete_fault_persistent, 1);

	ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(faults, key, tmp) {
		pfault = malloc(sizeof(sdlFault));
		*pfault = *tmp;

		if (pfault->name) {
			pfault->name = strdup(pfault->name);
		}
		if (pfault->details) {
			pfault->details = make_persistent_sdl_parameters(pfault->details, ptr_map);
		}

		if (func->binding->bindingType == BINDING_SOAP && pfault->bindingAttributes) {
			sdlSoapBindingFunctionFaultPtr soap_binding;

		   	soap_binding = malloc(sizeof(sdlSoapBindingFunctionFault));
			memset(soap_binding, 0, sizeof(sdlSoapBindingFunctionFault));
			*soap_binding = *(sdlSoapBindingFunctionFaultPtr)pfault->bindingAttributes;
			if (soap_binding->ns) {
				soap_binding->ns = strdup(soap_binding->ns);
			}
			pfault->bindingAttributes = soap_binding;
		}

		if (key) {
			/* We have to duplicate key emalloc->malloc */
			zend_hash_str_add_ptr(pfaults, ZSTR_VAL(key), ZSTR_LEN(key), pfault);
		} else {
			zend_hash_next_index_insert_ptr(pfaults, pfault);
		}

	} ZEND_HASH_FOREACH_END();

	return pfaults;
}


static sdlAttributePtr make_persistent_sdl_attribute(sdlAttributePtr attr, HashTable *ptr_map, HashTable *bp_types, HashTable *bp_encoders)
{
	sdlAttributePtr pattr;
	zend_string *key;

	pattr = malloc(sizeof(sdlAttribute));
	memset(pattr, 0, sizeof(sdlAttribute));

	*pattr = *attr;

	if (pattr->name) {
		pattr->name = strdup(pattr->name);
	}
	if (pattr->namens) {
		pattr->namens = strdup(pattr->namens);
	}
	if (pattr->ref) {
		pattr->ref = strdup(pattr->ref);
	}
	if (pattr->def) {
		pattr->def = strdup(pattr->def);
	}
	if (pattr->fixed) {
		pattr->fixed = strdup(pattr->fixed);
	}

	/* we do not want to process defaultEncoding's here */
	if (pattr->encode) {
		make_persistent_sdl_encoder_ref(&pattr->encode, ptr_map, bp_encoders);
	}

	if (pattr->extraAttributes) {
		sdlExtraAttributePtr tmp, pextra;

		pattr->extraAttributes = malloc(sizeof(HashTable));
		zend_hash_init(pattr->extraAttributes, zend_hash_num_elements(attr->extraAttributes), NULL, delete_extra_attribute_persistent, 1);

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(attr->extraAttributes, key, tmp) {
			if (key) {
				pextra = malloc(sizeof(sdlExtraAttribute));
				memset(pextra, 0, sizeof(sdlExtraAttribute));

				if (tmp->ns) {
					pextra->ns = strdup(tmp->ns);
				}
				if (tmp->val) {
					pextra->val = strdup(tmp->val);
				}

				/* We have to duplicate key emalloc->malloc */
				zend_hash_str_add_ptr(pattr->extraAttributes, ZSTR_VAL(key), ZSTR_LEN(key), pextra);
			}
		} ZEND_HASH_FOREACH_END();
	}

	return pattr;
}


static sdlContentModelPtr make_persistent_sdl_model(sdlContentModelPtr model, HashTable *ptr_map, HashTable *bp_types, HashTable *bp_encoders)
{
	sdlContentModelPtr pmodel;
	sdlContentModelPtr tmp, pcontent;

	pmodel = malloc(sizeof(sdlContentModel));
	memset(pmodel, 0, sizeof(sdlContentModel));
	*pmodel = *model;

	switch (pmodel->kind) {
		case XSD_CONTENT_ELEMENT:
			if (pmodel->u.element) {
				make_persistent_sdl_type_ref(&pmodel->u.element, ptr_map, bp_types);
			}
			break;

		case XSD_CONTENT_SEQUENCE:
		case XSD_CONTENT_ALL:
		case XSD_CONTENT_CHOICE:
			pmodel->u.content = malloc(sizeof(HashTable));
			zend_hash_init(pmodel->u.content, zend_hash_num_elements(model->u.content), NULL, delete_model_persistent, 1);

			ZEND_HASH_FOREACH_PTR(model->u.content, tmp) {
				pcontent = make_persistent_sdl_model(tmp, ptr_map, bp_types, bp_encoders);
				zend_hash_next_index_insert_ptr(pmodel->u.content, pcontent);
			} ZEND_HASH_FOREACH_END();
			break;

		case XSD_CONTENT_GROUP_REF:
			if (pmodel->u.group_ref) {
				pmodel->u.group_ref = strdup(pmodel->u.group_ref);
			}
			break;

		case XSD_CONTENT_GROUP:
			if (pmodel->u.group) {
				make_persistent_sdl_type_ref(&pmodel->u.group, ptr_map, bp_types);
			}
			break;

		default:
			break;
	}

	return pmodel;
}


static sdlTypePtr make_persistent_sdl_type(sdlTypePtr type, HashTable *ptr_map, HashTable *bp_types, HashTable *bp_encoders)
{
	zend_string *key;
	sdlTypePtr ptype = NULL;

	ptype = malloc(sizeof(sdlType));
	memset(ptype, 0, sizeof(sdlType));

	*ptype = *type;

	if (ptype->name) {
		ptype->name = strdup(ptype->name);
	}
	if (ptype->namens) {
		ptype->namens = strdup(ptype->namens);
	}
	if (ptype->def) {
		ptype->def = strdup(ptype->def);
	}
	if (ptype->fixed) {
		ptype->fixed = strdup(ptype->fixed);
	}
	if (ptype->ref) {
		ptype->ref = strdup(ptype->ref);
	}

	/* we do not want to process defaultEncoding's here */
	if (ptype->encode) {
		make_persistent_sdl_encoder_ref(&ptype->encode, ptr_map, bp_encoders);
	}

	if (ptype->restrictions) {
		ptype->restrictions = malloc(sizeof(sdlRestrictions));
		memset(ptype->restrictions, 0, sizeof(sdlRestrictions));
		*ptype->restrictions = *type->restrictions;

		if (ptype->restrictions->minExclusive) {
			make_persistent_restriction_int(&ptype->restrictions->minExclusive);
		}
		if (ptype->restrictions->maxExclusive) {
			make_persistent_restriction_int(&ptype->restrictions->maxExclusive);
		}
		if (ptype->restrictions->minInclusive) {
			make_persistent_restriction_int(&ptype->restrictions->minInclusive);
		}
		if (ptype->restrictions->maxInclusive) {
			make_persistent_restriction_int(&ptype->restrictions->maxInclusive);
		}
		if (ptype->restrictions->totalDigits) {
			make_persistent_restriction_int(&ptype->restrictions->totalDigits);
		}
		if (ptype->restrictions->fractionDigits) {
			make_persistent_restriction_int(&ptype->restrictions->fractionDigits);
		}
		if (ptype->restrictions->length) {
			make_persistent_restriction_int(&ptype->restrictions->length);
		}
		if (ptype->restrictions->minLength) {
			make_persistent_restriction_int(&ptype->restrictions->minLength);
		}
		if (ptype->restrictions->maxLength) {
			make_persistent_restriction_int(&ptype->restrictions->maxLength);
		}
		if (ptype->restrictions->whiteSpace) {
			make_persistent_restriction_char_int(&ptype->restrictions->whiteSpace);
		}
		if (ptype->restrictions->pattern) {
			make_persistent_restriction_char_int(&ptype->restrictions->pattern);
		}

		if (type->restrictions->enumeration) {
			sdlRestrictionCharPtr tmp, penum;
			ptype->restrictions->enumeration = malloc(sizeof(HashTable));
			zend_hash_init(ptype->restrictions->enumeration, zend_hash_num_elements(type->restrictions->enumeration), NULL, delete_restriction_var_char_persistent, 1);
			ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(type->restrictions->enumeration, key, tmp) {
				penum = tmp;
				make_persistent_restriction_char_int(&penum);
				/* We have to duplicate key emalloc->malloc */
				zend_hash_str_add_ptr(ptype->restrictions->enumeration, ZSTR_VAL(key), ZSTR_LEN(key), penum);
			} ZEND_HASH_FOREACH_END();
		}
	}

	if (ptype->elements) {
		sdlTypePtr tmp, pelem;

		ptype->elements = malloc(sizeof(HashTable));
		zend_hash_init(ptype->elements, zend_hash_num_elements(type->elements), NULL, delete_type_persistent, 1);

		ZEND_HASH_FOREACH_STR_KEY_PTR(type->elements, key, tmp) {
			pelem = make_persistent_sdl_type(tmp, ptr_map, bp_types, bp_encoders);
			if (key) {
				/* We have to duplicate key emalloc->malloc */
				zend_hash_str_add_ptr(ptype->elements, ZSTR_VAL(key), ZSTR_LEN(key), pelem);
			} else {
				zend_hash_next_index_insert_ptr(ptype->elements, pelem);
			}
			zend_hash_str_add_ptr(ptr_map, (char*)&tmp, sizeof(tmp), pelem);
		} ZEND_HASH_FOREACH_END();
	}

	if (ptype->attributes) {
		sdlAttributePtr tmp, pattr;

		ptype->attributes = malloc(sizeof(HashTable));
		zend_hash_init(ptype->attributes, zend_hash_num_elements(type->attributes), NULL, delete_attribute_persistent, 1);

		ZEND_HASH_FOREACH_STR_KEY_PTR(type->attributes, key, tmp) {
			pattr = make_persistent_sdl_attribute(tmp, ptr_map, bp_types, bp_encoders);
			if (key) {
				/* We have to duplicate key emalloc->malloc */
				zend_hash_str_add_ptr(ptype->attributes, ZSTR_VAL(key), ZSTR_LEN(key), pattr);
			} else {
				zend_hash_next_index_insert_ptr(ptype->attributes, pattr);
			}
		} ZEND_HASH_FOREACH_END();
	}

	if (type->model) {
		ptype->model = make_persistent_sdl_model(ptype->model, ptr_map, bp_types, bp_encoders);
	}

	return ptype;
}

static encodePtr make_persistent_sdl_encoder(encodePtr enc, HashTable *ptr_map, HashTable *bp_types, HashTable *bp_encoders)
{
	encodePtr penc = NULL;

	penc = malloc(sizeof(encode));
	memset(penc, 0, sizeof(encode));

	*penc = *enc;

	if (penc->details.type_str) {
		penc->details.type_str = strdup(penc->details.type_str);
	}
	if (penc->details.ns) {
		penc->details.ns = strdup(penc->details.ns);
		penc->details.clark_notation = zend_string_dup(penc->details.clark_notation, 1);
	}

	if (penc->details.sdl_type) {
		make_persistent_sdl_type_ref(&penc->details.sdl_type, ptr_map, bp_types);
	}

	return penc;
}

static sdlBindingPtr make_persistent_sdl_binding(sdlBindingPtr bind, HashTable *ptr_map)
{
	sdlBindingPtr pbind = NULL;

	pbind = malloc(sizeof(sdlBinding));
	memset(pbind, 0, sizeof(sdlBinding));

	*pbind = *bind;

	if (pbind->name) {
		pbind->name = strdup(pbind->name);
	}
	if (pbind->location) {
		pbind->location = strdup(pbind->location);
	}

	if (pbind->bindingType == BINDING_SOAP && pbind->bindingAttributes) {
		sdlSoapBindingPtr soap_binding;

		soap_binding = malloc(sizeof(sdlSoapBinding));
		memset(soap_binding, 0, sizeof(sdlSoapBinding));
		*soap_binding = *(sdlSoapBindingPtr)pbind->bindingAttributes;
		pbind->bindingAttributes = soap_binding;
	}

	return pbind;
}

static sdlFunctionPtr make_persistent_sdl_function(sdlFunctionPtr func, HashTable *ptr_map)
{
	sdlFunctionPtr pfunc = NULL;

	pfunc = malloc(sizeof(sdlFunction));
	memset(pfunc, 0, sizeof(sdlFunction));

	*pfunc = *func;

	if (pfunc->functionName) {
		pfunc->functionName = strdup(pfunc->functionName);
	}
	if (pfunc->requestName) {
		pfunc->requestName = strdup(pfunc->requestName);
	}
	if (pfunc->responseName) {
		pfunc->responseName = strdup(pfunc->responseName);
	}

	if (pfunc->binding) {
		sdlBindingPtr tmp;

		if ((tmp = zend_hash_str_find_ptr(ptr_map, (char*)&pfunc->binding, sizeof(pfunc->binding))) == NULL) {
			assert(0);
		}
		pfunc->binding = tmp;

		if (pfunc->binding->bindingType == BINDING_SOAP && pfunc->bindingAttributes) {
			sdlSoapBindingFunctionPtr soap_binding;

		   	soap_binding = malloc(sizeof(sdlSoapBindingFunction));
			memset(soap_binding, 0, sizeof(sdlSoapBindingFunction));
			*soap_binding = *(sdlSoapBindingFunctionPtr)pfunc->bindingAttributes;
			if (soap_binding->soapAction) {
				soap_binding->soapAction = strdup(soap_binding->soapAction);
			}
			make_persistent_sdl_soap_body(&soap_binding->input, ptr_map);
			make_persistent_sdl_soap_body(&soap_binding->output, ptr_map);
			pfunc->bindingAttributes = soap_binding;
		}

		if (pfunc->requestParameters) {
			pfunc->requestParameters = make_persistent_sdl_parameters(pfunc->requestParameters, ptr_map);
		}
		if (pfunc->responseParameters) {
			pfunc->responseParameters = make_persistent_sdl_parameters(pfunc->responseParameters, ptr_map);
		}
		if (pfunc->faults) {
			pfunc->faults = make_persistent_sdl_function_faults(pfunc, pfunc->faults, ptr_map);
		}
	}

	return pfunc;
}

static sdlPtr make_persistent_sdl(sdlPtr sdl)
{
	sdlPtr psdl = NULL;
	HashTable ptr_map;
	HashTable bp_types, bp_encoders;
	zend_string *key;

	zend_hash_init(&bp_types, 0, NULL, NULL, 0);
	zend_hash_init(&bp_encoders, 0, NULL, NULL, 0);
	zend_hash_init(&ptr_map, 0, NULL, NULL, 0);

	psdl = malloc(sizeof(*sdl));
	memset(psdl, 0, sizeof(*sdl));

	if (sdl->source) {
		psdl->source = strdup(sdl->source);
	}
	if (sdl->target_ns) {
		psdl->target_ns = strdup(sdl->target_ns);
	}

	if (sdl->groups) {
		sdlTypePtr tmp;
		sdlTypePtr ptype;

		psdl->groups = malloc(sizeof(HashTable));
		zend_hash_init(psdl->groups, zend_hash_num_elements(sdl->groups), NULL, delete_type_persistent, 1);

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(sdl->groups, key, tmp) {
			ptype = make_persistent_sdl_type(tmp, &ptr_map, &bp_types, &bp_encoders);
			if (key) {
				/* We have to duplicate key emalloc->malloc */
				zend_hash_str_add_ptr(psdl->groups, ZSTR_VAL(key), ZSTR_LEN(key), ptype);
			} else {
				zend_hash_next_index_insert_ptr(psdl->groups, ptype);
			}
			zend_hash_str_add_ptr(&ptr_map, (char*)&tmp, sizeof(tmp), ptype);
		} ZEND_HASH_FOREACH_END();
	}

	if (sdl->types) {
		sdlTypePtr tmp;
		sdlTypePtr ptype;

		psdl->types = malloc(sizeof(HashTable));
		zend_hash_init(psdl->types, zend_hash_num_elements(sdl->types), NULL, delete_type_persistent, 1);

		ZEND_HASH_FOREACH_STR_KEY_PTR(sdl->types, key, tmp) {
			ptype = make_persistent_sdl_type(tmp, &ptr_map, &bp_types, &bp_encoders);
			if (key) {
				/* We have to duplicate key emalloc->malloc */
				zend_hash_str_add_ptr(psdl->types, ZSTR_VAL(key), ZSTR_LEN(key), ptype);
			} else {
				zend_hash_next_index_insert_ptr(psdl->types, ptype);
			}
			zend_hash_str_add_ptr(&ptr_map, (char*)&tmp, sizeof(tmp), ptype);
		} ZEND_HASH_FOREACH_END();
	}

	if (sdl->elements) {
		sdlTypePtr tmp;
		sdlTypePtr ptype;

		psdl->elements = malloc(sizeof(HashTable));
		zend_hash_init(psdl->elements, zend_hash_num_elements(sdl->elements), NULL, delete_type_persistent, 1);

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(sdl->elements, key, tmp) {
			ptype = make_persistent_sdl_type(tmp, &ptr_map, &bp_types, &bp_encoders);
			if (key) {
				/* We have to duplicate key emalloc->malloc */
				zend_hash_str_add_ptr(psdl->elements, ZSTR_VAL(key), ZSTR_LEN(key), ptype);
			} else {
				zend_hash_next_index_insert_ptr(psdl->elements, ptype);
			}
			zend_hash_str_add_ptr(&ptr_map, (char*)&tmp, sizeof(tmp), ptype);
		} ZEND_HASH_FOREACH_END();
	}

	if (sdl->encoders) {
		encodePtr tmp;
		encodePtr penc;

		psdl->encoders = malloc(sizeof(HashTable));
		zend_hash_init(psdl->encoders, zend_hash_num_elements(sdl->encoders), NULL, delete_encoder_persistent, 1);

		ZEND_HASH_FOREACH_STR_KEY_PTR(sdl->encoders, key, tmp) {
			penc = make_persistent_sdl_encoder(tmp, &ptr_map, &bp_types, &bp_encoders);
			if (key) {
				/* We have to duplicate key emalloc->malloc */
				zend_hash_str_add_ptr(psdl->encoders, ZSTR_VAL(key), ZSTR_LEN(key), penc);
			} else {
				zend_hash_next_index_insert_ptr(psdl->encoders, penc);
			}
			zend_hash_str_add_ptr(&ptr_map, (char*)&tmp, sizeof(tmp), penc);
		} ZEND_HASH_FOREACH_END();
	}

	/* do backpatching here */
	if (zend_hash_num_elements(&bp_types)) {
		sdlTypePtr *tmp, ptype = NULL;

		ZEND_HASH_FOREACH_PTR(&bp_types, tmp) {
			if ((ptype = zend_hash_str_find_ptr(&ptr_map, (char*)tmp, sizeof(*tmp))) == NULL) {
				assert(0);
			}
			*tmp = ptype;
		} ZEND_HASH_FOREACH_END();
	}
	if (zend_hash_num_elements(&bp_encoders)) {
		encodePtr *tmp, penc = NULL;

		ZEND_HASH_FOREACH_PTR(&bp_encoders, tmp) {
			if ((penc = zend_hash_str_find_ptr(&ptr_map, (char*)tmp, sizeof(*tmp))) == NULL) {
				assert(0);
			}
			*tmp = penc;
		} ZEND_HASH_FOREACH_END();
	}


	if (sdl->bindings) {
		sdlBindingPtr tmp;
		sdlBindingPtr pbind;

		psdl->bindings = malloc(sizeof(HashTable));
		zend_hash_init(psdl->bindings, zend_hash_num_elements(sdl->bindings), NULL, delete_binding_persistent, 1);

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(sdl->bindings, key, tmp) {
			pbind = make_persistent_sdl_binding(tmp, &ptr_map);
			if (key) {
				/* We have to duplicate key emalloc->malloc */
				zend_hash_str_add_ptr(psdl->bindings, ZSTR_VAL(key), ZSTR_LEN(key), pbind);
			} else {
				zend_hash_next_index_insert_ptr(psdl->bindings, pbind);
			}
			zend_hash_str_add_ptr(&ptr_map, (char*)&tmp, sizeof(tmp), pbind);
		} ZEND_HASH_FOREACH_END();
	}

	zend_hash_init(&psdl->functions, zend_hash_num_elements(&sdl->functions), NULL, delete_function_persistent, 1);
	if (zend_hash_num_elements(&sdl->functions)) {
		sdlFunctionPtr tmp;
		sdlFunctionPtr pfunc;

		ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(&sdl->functions, key, tmp) {
			pfunc = make_persistent_sdl_function(tmp, &ptr_map);
			if (key) {
				/* We have to duplicate key emalloc->malloc */
				zend_hash_str_add_ptr(&psdl->functions, ZSTR_VAL(key), ZSTR_LEN(key), pfunc);
			} else {
				zend_hash_next_index_insert_ptr(&psdl->functions, pfunc);
			}
			zend_hash_str_add_ptr(&ptr_map, (char*)&tmp, sizeof(tmp), pfunc);
		} ZEND_HASH_FOREACH_END();
	}

	if (sdl->requests) {
		zval *zv;
		sdlFunctionPtr tmp;
		sdlFunctionPtr preq;

		psdl->requests = malloc(sizeof(HashTable));
		zend_hash_init(psdl->requests, zend_hash_num_elements(sdl->requests), NULL, NULL, 1);

		ZEND_HASH_MAP_FOREACH_STR_KEY_VAL(sdl->requests, key, zv) {
			tmp = Z_PTR_P(zv);
			if ((preq = zend_hash_str_find_ptr(&ptr_map, (char*)&tmp, sizeof(tmp))) == NULL) {
				assert(0);
			}
			Z_PTR_P(zv) = preq;
			if (key) {
				/* We have to duplicate key emalloc->malloc */
				zend_hash_str_add_ptr(psdl->requests, ZSTR_VAL(key), ZSTR_LEN(key), preq);
			}
		} ZEND_HASH_FOREACH_END();
	}

	zend_hash_destroy(&ptr_map);
	zend_hash_destroy(&bp_encoders);
	zend_hash_destroy(&bp_types);

	return psdl;
}

typedef struct _sdl_cache_bucket {
	sdlPtr sdl;
	time_t time;
} sdl_cache_bucket;

static void delete_psdl_int(sdl_cache_bucket *p)
{
	sdlPtr tmp = p->sdl;

	zend_hash_destroy(&tmp->functions);
	if (tmp->source) {
		free(tmp->source);
	}
	if (tmp->target_ns) {
		free(tmp->target_ns);
	}
	if (tmp->elements) {
		zend_hash_destroy(tmp->elements);
		free(tmp->elements);
	}
	if (tmp->encoders) {
		zend_hash_destroy(tmp->encoders);
		free(tmp->encoders);
	}
	if (tmp->types) {
		zend_hash_destroy(tmp->types);
		free(tmp->types);
	}
	if (tmp->groups) {
		zend_hash_destroy(tmp->groups);
		free(tmp->groups);
	}
	if (tmp->bindings) {
		zend_hash_destroy(tmp->bindings);
		free(tmp->bindings);
	}
	if (tmp->requests) {
		zend_hash_destroy(tmp->requests);
		free(tmp->requests);
	}
	free(tmp);
}

static void delete_psdl(zval *zv)
{
	delete_psdl_int(Z_PTR_P(zv));
	free(Z_PTR_P(zv));
}

sdlPtr get_sdl(zval *this_ptr, char *uri, zend_long cache_wsdl)
{
	char  fn[MAXPATHLEN];
	sdlPtr sdl = NULL;
	char* old_error_code = SOAP_GLOBAL(error_code);
	size_t uri_len = 0;
	php_stream_context *context=NULL;
	zval *tmp, orig_context, new_context;
	smart_str headers = {0};
	char* key = NULL;
	time_t t = time(0);
	bool has_proxy_authorization = false;
	bool has_authorization = false;

	ZVAL_UNDEF(&orig_context);
	ZVAL_UNDEF(&new_context);
	if (strchr(uri,':') != NULL || IS_ABSOLUTE_PATH(uri, uri_len)) {
		uri_len = strlen(uri);
	} else if (VCWD_REALPATH(uri, fn) == NULL) {
		cache_wsdl = WSDL_CACHE_NONE;
	} else {
		uri = fn;
		uri_len = strlen(uri);
	}

	if ((cache_wsdl & WSDL_CACHE_MEMORY) && SOAP_GLOBAL(mem_cache)) {
		sdl_cache_bucket *p;

		if (NULL != (p = zend_hash_str_find_ptr(SOAP_GLOBAL(mem_cache), uri, uri_len))) {
			if (p->time < t - SOAP_GLOBAL(cache_ttl)) {
				/* in-memory cache entry is expired */
				zend_hash_str_del(&EG(persistent_list), uri, uri_len);
			} else {
				return p->sdl;
			}
		}
	}

	if ((cache_wsdl & WSDL_CACHE_DISK) && (uri_len < MAXPATHLEN)) {
		time_t t = time(0);
		char md5str[33];
		PHP_MD5_CTX md5_context;
		unsigned char digest[16];
		size_t len = strlen(SOAP_GLOBAL(cache_dir));
		time_t cached;
		zend_string *user = php_get_current_user();

		/* System architecture identification (see bug #70951) */
		static const char ids[] = {SIZEOF_ZEND_LONG, SOAP_BIG_ENDIAN};

		md5str[0] = '\0';
		PHP_MD5Init(&md5_context);
		PHP_MD5Update(&md5_context, (unsigned char*)uri, uri_len);
		PHP_MD5Update(&md5_context, ids, sizeof(ids));
		PHP_MD5Final(digest, &md5_context);
		make_digest(md5str, digest);
		key = emalloc(len+sizeof("/wsdl-")-1+ZSTR_LEN(user)+2+sizeof(md5str));
		memcpy(key,SOAP_GLOBAL(cache_dir),len);
		memcpy(key+len,"/wsdl-",sizeof("/wsdl-")-1);
		len += sizeof("/wsdl-")-1;
		if (ZSTR_LEN(user)) {
			memcpy(key+len, ZSTR_VAL(user), ZSTR_LEN(user)-1);
			len += ZSTR_LEN(user)-1;
			key[len++] = '-';
		}
		if (WSDL_CACHE_VERSION <= 0x9f) {
			key[len++] = (WSDL_CACHE_VERSION >> 8) + '0';
		} else {
			key[len++] = (WSDL_CACHE_VERSION >> 8) - 10 + 'a';
		}
		if ((WSDL_CACHE_VERSION & 0xf) <= 0x9) {
			key[len++] = (WSDL_CACHE_VERSION & 0xf) + '0';
		} else {
			key[len++] = (WSDL_CACHE_VERSION & 0xf) - 10 + 'a';
		}
		memcpy(key+len,md5str,sizeof(md5str));

		if ((sdl = get_sdl_from_cache(key, uri, uri_len, t-SOAP_GLOBAL(cache_ttl), &cached)) != NULL) {
			t = cached;
			efree(key);
			goto cache_in_memory;
		}
	}

	if (instanceof_function(Z_OBJCE_P(this_ptr), soap_class_entry)) {
		tmp = Z_CLIENT_STREAM_CONTEXT_P(this_ptr);
		if (Z_TYPE_P(tmp) == IS_RESOURCE) {
			context = php_stream_context_from_zval(tmp, 0);
			/* Share a reference with new_context down below.
			 * For new contexts, the reference is only in new_context so that doesn't need extra refcounting. */
			GC_ADDREF(context->res);
		}

		tmp = Z_CLIENT_USER_AGENT_P(this_ptr);
		if (Z_TYPE_P(tmp) == IS_STRING && Z_STRLEN_P(tmp) > 0) {
			smart_str_appends(&headers, "User-Agent: ");
			smart_str_append(&headers, Z_STR_P(tmp));
			smart_str_appends(&headers, "\r\n");
		}

		zval *proxy_host = Z_CLIENT_PROXY_HOST_P(this_ptr);
		zval *proxy_port = Z_CLIENT_PROXY_PORT_P(this_ptr);
		if (Z_TYPE_P(proxy_host) == IS_STRING && Z_TYPE_P(proxy_port) == IS_LONG) {
			zval str_proxy;
			smart_str proxy = {0};
			smart_str_appends(&proxy,"tcp://");
			smart_str_append(&proxy, Z_STR_P(proxy_host));
			smart_str_appends(&proxy,":");
			smart_str_append_long(&proxy,Z_LVAL_P(proxy_port));
			ZVAL_STR(&str_proxy, smart_str_extract(&proxy));

			if (!context) {
				context = php_stream_context_alloc();
			}
			php_stream_context_set_option(context, "http", "proxy", &str_proxy);
			zval_ptr_dtor(&str_proxy);

			if (uri_len < sizeof("https://")-1 ||
				strncasecmp(uri, "https://", sizeof("https://")-1) != 0) {
				ZVAL_TRUE(&str_proxy);
				php_stream_context_set_option(context, "http", "request_fulluri", &str_proxy);
			}

			has_proxy_authorization = proxy_authentication(this_ptr, &headers);
		}

		has_authorization = basic_authentication(this_ptr, &headers);
	}

	if (!context) {
		context = php_stream_context_alloc();
	}

	/* Use HTTP/1.1 with "Connection: close" by default */
	if ((tmp = php_stream_context_get_option(context, "http", "protocol_version")) == NULL) {
		zval http_version;

		ZVAL_DOUBLE(&http_version, 1.1);
		php_stream_context_set_option(context, "http", "protocol_version", &http_version);
		smart_str_appendl(&headers, "Connection: close\r\n", sizeof("Connection: close\r\n")-1);
	}

	if (headers.s && ZSTR_LEN(headers.s) > 0) {
		zval str_headers;

		if (!context) {
			context = php_stream_context_alloc();
		} else {
			http_context_headers(context, has_authorization, has_proxy_authorization, 0, &headers);
		}

		ZVAL_STR(&str_headers, smart_str_extract(&headers));
		php_stream_context_set_option(context, "http", "header", &str_headers);
		zval_ptr_dtor(&str_headers);
	}

	if (context) {
		ZVAL_RES(&new_context, context->res);
		php_libxml_switch_context(&new_context, &orig_context);
	}

	SOAP_GLOBAL(error_code) = "WSDL";

	sdl = load_wsdl(this_ptr, uri);
	if (sdl) {
		sdl->is_persistent = false;
	}

	SOAP_GLOBAL(error_code) = old_error_code;

	if (context) {
		php_libxml_switch_context(&orig_context, NULL);
		zval_ptr_dtor(&new_context);
	}

	if ((cache_wsdl & WSDL_CACHE_DISK) && key) {
		if (sdl) {
			add_sdl_to_cache(key, uri, t, sdl);
		}
		efree(key);
	}

cache_in_memory:
	if (cache_wsdl & WSDL_CACHE_MEMORY) {
		if (sdl) {
			sdlPtr psdl;
			sdl_cache_bucket p;

			if (SOAP_GLOBAL(mem_cache) == NULL) {
				SOAP_GLOBAL(mem_cache) = malloc(sizeof(HashTable));
				zend_hash_init(SOAP_GLOBAL(mem_cache), 0, NULL, delete_psdl, 1);
			} else if (SOAP_GLOBAL(cache_limit) > 0 &&
			           SOAP_GLOBAL(cache_limit) <= (zend_long)zend_hash_num_elements(SOAP_GLOBAL(mem_cache))) {
				/* in-memory cache overflow */
				sdl_cache_bucket *q;
				time_t latest = t;
				zend_string *latest_key = NULL, *key;

				ZEND_HASH_MAP_FOREACH_STR_KEY_PTR(SOAP_GLOBAL(mem_cache), key, q) {
					if (q->time < latest) {
						latest = q->time;
						latest_key = key;
					}
				} ZEND_HASH_FOREACH_END();
				if (latest_key) {
					zend_hash_del(SOAP_GLOBAL(mem_cache), latest_key);
				} else {
					return sdl;
				}
			}

			psdl = make_persistent_sdl(sdl);
			psdl->is_persistent = true;
			p.time = t;
			p.sdl = psdl;

			zend_hash_str_update_mem(SOAP_GLOBAL(mem_cache), uri,
											uri_len, &p, sizeof(sdl_cache_bucket));
			/* remove non-persistent sdl structure */
			delete_sdl_impl(sdl);
			/* and replace it with persistent one */
			sdl = psdl;
		}
	}

	return sdl;
}

/* Deletes */
void delete_sdl_impl(void *handle)
{
	sdlPtr tmp = (sdlPtr)handle;

	zend_hash_destroy(&tmp->functions);
	if (tmp->source) {
		efree(tmp->source);
	}
	if (tmp->target_ns) {
		efree(tmp->target_ns);
	}
	if (tmp->elements) {
		zend_hash_destroy(tmp->elements);
		efree(tmp->elements);
	}
	if (tmp->encoders) {
		zend_hash_destroy(tmp->encoders);
		efree(tmp->encoders);
	}
	if (tmp->types) {
		zend_hash_destroy(tmp->types);
		efree(tmp->types);
	}
	if (tmp->groups) {
		zend_hash_destroy(tmp->groups);
		efree(tmp->groups);
	}
	if (tmp->bindings) {
		zend_hash_destroy(tmp->bindings);
		efree(tmp->bindings);
	}
	if (tmp->requests) {
		zend_hash_destroy(tmp->requests);
		efree(tmp->requests);
	}
	efree(tmp);
}

void delete_sdl(sdl *handle)
{
	if (!handle->is_persistent) {
		delete_sdl_impl(handle);
	}
}

static void delete_binding_ex(zval *zv, bool persistent)
{
	sdlBindingPtr binding = Z_PTR_P(zv);

	if (binding->location) {
		pefree(binding->location, persistent);
	}
	if (binding->name) {
		pefree(binding->name, persistent);
	}

	if (binding->bindingType == BINDING_SOAP) {
		sdlSoapBindingPtr soapBind = binding->bindingAttributes;
		if (soapBind) {
			pefree(soapBind, persistent);
		}
	}
	pefree(binding, persistent);
}

static void delete_binding(zval *zv)
{
	delete_binding_ex(zv, false);
}

static void delete_binding_persistent(zval *zv)
{
	delete_binding_ex(zv, true);
}

static void delete_sdl_soap_binding_function_body(sdlSoapBindingFunctionBody body, bool persistent)
{
	if (body.ns) {
		pefree(body.ns, persistent);
	}
	if (body.headers) {
		zend_hash_destroy(body.headers);
		pefree(body.headers, persistent);
	}
}

static void delete_function_ex(zval *zv, bool persistent)
{
	sdlFunctionPtr function = Z_PTR_P(zv);

	if (function->functionName) {
		pefree(function->functionName, persistent);
	}
	if (function->requestName) {
		pefree(function->requestName, persistent);
	}
	if (function->responseName) {
		pefree(function->responseName, persistent);
	}
	if (function->requestParameters) {
		zend_hash_destroy(function->requestParameters);
		pefree(function->requestParameters, persistent);
	}
	if (function->responseParameters) {
		zend_hash_destroy(function->responseParameters);
		pefree(function->responseParameters, persistent);
	}
	if (function->faults) {
		zend_hash_destroy(function->faults);
		pefree(function->faults, persistent);
	}

	if (function->bindingAttributes &&
	    function->binding && function->binding->bindingType == BINDING_SOAP) {
		sdlSoapBindingFunctionPtr soapFunction = function->bindingAttributes;
		if (soapFunction->soapAction) {
			pefree(soapFunction->soapAction, persistent);
		}
		delete_sdl_soap_binding_function_body(soapFunction->input, persistent);
		delete_sdl_soap_binding_function_body(soapFunction->output, persistent);
		pefree(soapFunction, persistent);
	}
	pefree(function, persistent);
}

static void delete_function(zval *zv)
{
	delete_function_ex(zv, false);
}

static void delete_function_persistent(zval *zv)
{
	delete_function_ex(zv, true);
}

static void delete_parameter_ex(zval *zv, bool persistent)
{
	sdlParamPtr param = Z_PTR_P(zv);
	if (param->paramName) {
		pefree(param->paramName, persistent);
	}
	pefree(param, persistent);
}

static void delete_parameter(zval *zv)
{
	delete_parameter_ex(zv, false);
}

static void delete_parameter_persistent(zval *zv)
{
	delete_parameter_ex(zv, true);
}

static void delete_header_int_ex(sdlSoapBindingFunctionHeaderPtr hdr, bool persistent)
{
	if (hdr->name) {
		pefree(hdr->name, persistent);
	}
	if (hdr->ns) {
		pefree(hdr->ns, persistent);
	}
	if (hdr->headerfaults) {
		zend_hash_destroy(hdr->headerfaults);
		pefree(hdr->headerfaults, persistent);
	}
	pefree(hdr, persistent);
}

static void delete_header_int(sdlSoapBindingFunctionHeaderPtr hdr)
{
	delete_header_int_ex(hdr, false);
}

static void delete_header(zval *zv)
{
	sdlSoapBindingFunctionHeaderPtr hdr = Z_PTR_P(zv);
	delete_header_int_ex(hdr, false);
}

static void delete_header_persistent(zval *zv)
{
	sdlSoapBindingFunctionHeaderPtr hdr = Z_PTR_P(zv);
	delete_header_int_ex(hdr, true);
}

static void delete_fault_ex(zval *zv, bool persistent)
{
	sdlFaultPtr fault = Z_PTR_P(zv);
	if (fault->name) {
		pefree(fault->name, persistent);
	}
	if (fault->details) {
		zend_hash_destroy(fault->details);
		pefree(fault->details, persistent);
	}
	if (fault->bindingAttributes) {
		sdlSoapBindingFunctionFaultPtr binding = (sdlSoapBindingFunctionFaultPtr)fault->bindingAttributes;

		if (binding->ns) {
			pefree(binding->ns, persistent);
		}
		pefree(fault->bindingAttributes, persistent);
	}
	pefree(fault, persistent);
}

static void delete_fault(zval *zv)
{
	delete_fault_ex(zv, false);
}

static void delete_fault_persistent(zval *zv)
{
	delete_fault_ex(zv, true);
}

static void delete_document(zval *zv)
{
	xmlDocPtr doc = Z_PTR_P(zv);
	xmlFreeDoc(doc);
}