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/*
* Web Services on Devices
*
* Copyright 2017-2018 Owen Rudge for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <limits.h>
#define COBJMACROS
#include "wsdapi_internal.h"
#include "wine/debug.h"
#include "wine/heap.h"
#include "webservices.h"
WINE_DEFAULT_DEBUG_CHANNEL(wsdapi);
#define APP_MAX_DELAY 500
static const WCHAR discoveryTo[] = {
'u','r','n',':',
's','c','h','e','m','a','s','-','x','m','l','s','o','a','p','-','o','r','g',':',
'w','s',':','2','0','0','5',':','0','4',':',
'd','i','s','c','o','v','e','r','y', 0 };
static const WCHAR actionHello[] = {
'h','t','t','p',':','/','/',
's','c','h','e','m','a','s','.','x','m','l','s','o','a','p','.','o','r','g','/',
'w','s','/','2','0','0','5','/','0','4','/',
'd','i','s','c','o','v','e','r','y','/',
'H','e','l','l','o', 0 };
static const WCHAR actionProbe[] = {
'h','t','t','p',':','/','/',
's','c','h','e','m','a','s','.','x','m','l','s','o','a','p','.','o','r','g','/',
'w','s','/','2','0','0','5','/','0','4','/',
'd','i','s','c','o','v','e','r','y','/',
'P','r','o','b','e', 0 };
static const WCHAR actionBye[] = {
'h','t','t','p',':','/','/',
's','c','h','e','m','a','s','.','x','m','l','s','o','a','p','.','o','r','g','/',
'w','s','/','2','0','0','5','/','0','4','/',
'd','i','s','c','o','v','e','r','y','/',
'B','y','e', 0 };
static const WCHAR addressingNsUri[] = {
'h','t','t','p',':','/','/',
's','c','h','e','m','a','s','.','x','m','l','s','o','a','p','.','o','r','g','/',
'w','s','/','2','0','0','4','/','0','8','/','a','d','d','r','e','s','s','i','n','g', 0 };
static const WCHAR discoveryNsUri[] = {
'h','t','t','p',':','/','/',
's','c','h','e','m','a','s','.','x','m','l','s','o','a','p','.','o','r','g','/',
'w','s','/','2','0','0','5','/','0','4','/','d','i','s','c','o','v','e','r','y', 0 };
static const WCHAR envelopeNsUri[] = {
'h','t','t','p',':','/','/',
'w','w','w','.','w','3','.','o','r','g','/',
'2','0','0','3','/','0','5','/','s','o','a','p','-','e','n','v','e','l','o','p','e', 0 };
static const WCHAR addressingPrefix[] = { 'w','s','a', 0 };
static const WCHAR discoveryPrefix[] = { 'w','s','d', 0 };
static const WCHAR envelopePrefix[] = { 's','o','a','p', 0 };
static const WCHAR headerString[] = { 'H','e','a','d','e','r', 0 };
static const WCHAR actionString[] = { 'A','c','t','i','o','n', 0 };
static const WCHAR messageIdString[] = { 'M','e','s','s','a','g','e','I','D', 0 };
static const WCHAR toString[] = { 'T','o', 0 };
static const WCHAR relatesToString[] = { 'R','e','l','a','t','e','s','T','o', 0 };
static const WCHAR appSequenceString[] = { 'A','p','p','S','e','q','u','e','n','c','e', 0 };
static const WCHAR instanceIdString[] = { 'I','n','s','t','a','n','c','e','I','d', 0 };
static const WCHAR messageNumberString[] = { 'M','e','s','s','a','g','e','N','u','m','b','e','r', 0 };
static const WCHAR sequenceIdString[] = { 'S','e','q','u','e','n','c','e','I','d', 0 };
static const WCHAR emptyString[] = { 0 };
static const WCHAR bodyString[] = { 'B','o','d','y', 0 };
static const WCHAR helloString[] = { 'H','e','l','l','o', 0 };
static const WCHAR probeString[] = { 'P','r','o','b','e', 0 };
static const WCHAR byeString[] = { 'B','y','e', 0 };
static const WCHAR endpointReferenceString[] = { 'E','n','d','p','o','i','n','t','R','e','f','e','r','e','n','c','e', 0 };
static const WCHAR addressString[] = { 'A','d','d','r','e','s','s', 0 };
static const WCHAR referenceParametersString[] = { 'R','e','f','e','r','e','n','c','e','P','a','r','a','m','e','t','e','r','s', 0 };
static const WCHAR typesString[] = { 'T','y','p','e','s', 0 };
static const WCHAR scopesString[] = { 'S','c','o','p','e','s', 0 };
static const WCHAR xAddrsString[] = { 'X','A','d','d','r','s', 0 };
static const WCHAR metadataVersionString[] = { 'M','e','t','a','d','a','t','a','V','e','r','s','i','o','n', 0 };
struct discovered_namespace
{
struct list entry;
LPCWSTR prefix;
LPCWSTR uri;
};
static LPWSTR utf8_to_wide(void *parent, const char *utf8_str, int length)
{
int utf8_str_len = 0, chars_needed = 0, bytes_needed = 0;
LPWSTR new_str = NULL;
if (utf8_str == NULL) return NULL;
utf8_str_len = (length < 0) ? lstrlenA(utf8_str) : length;
chars_needed = MultiByteToWideChar(CP_UTF8, 0, utf8_str, utf8_str_len, NULL, 0);
if (chars_needed <= 0) return NULL;
bytes_needed = sizeof(WCHAR) * (chars_needed + 1);
new_str = WSDAllocateLinkedMemory(parent, bytes_needed);
MultiByteToWideChar(CP_UTF8, 0, utf8_str, utf8_str_len, new_str, chars_needed);
new_str[chars_needed] = 0;
return new_str;
}
static char *wide_to_utf8(LPCWSTR wide_string, int *length)
{
char *new_string = NULL;
if (wide_string == NULL)
return NULL;
*length = WideCharToMultiByte(CP_UTF8, 0, wide_string, -1, NULL, 0, NULL, NULL);
if (*length < 0)
return NULL;
new_string = heap_alloc(*length);
WideCharToMultiByte(CP_UTF8, 0, wide_string, -1, new_string, *length, NULL, NULL);
return new_string;
}
static WS_XML_STRING *populate_xml_string(LPCWSTR str)
{
WS_XML_STRING *xml = heap_alloc_zero(sizeof(WS_XML_STRING));
int utf8Length;
if (xml == NULL)
return NULL;
xml->bytes = (BYTE *)wide_to_utf8(str, &utf8Length);
if (xml->bytes == NULL)
{
heap_free(xml);
return NULL;
}
xml->dictionary = NULL;
xml->id = 0;
xml->length = (xml->bytes == NULL) ? 0 : (utf8Length - 1);
return xml;
}
static inline void free_xml_string(WS_XML_STRING *value)
{
if (value == NULL)
return;
heap_free(value->bytes);
heap_free(value);
}
static HRESULT write_xml_attribute(WSDXML_ATTRIBUTE *attribute, WS_XML_WRITER *writer)
{
WS_XML_STRING *local_name = NULL, *element_ns = NULL, *ns_prefix = NULL;
WS_XML_UTF16_TEXT utf16_text;
HRESULT ret = E_OUTOFMEMORY;
int text_len;
if (attribute == NULL)
return S_OK;
/* Start the attribute */
local_name = populate_xml_string(attribute->Name->LocalName);
if (local_name == NULL) goto cleanup;
if (attribute->Name->Space == NULL)
{
element_ns = populate_xml_string(emptyString);
if (element_ns == NULL) goto cleanup;
ns_prefix = NULL;
}
else
{
element_ns = populate_xml_string(attribute->Name->Space->Uri);
if (element_ns == NULL) goto cleanup;
ns_prefix = populate_xml_string(attribute->Name->Space->PreferredPrefix);
if (ns_prefix == NULL) goto cleanup;
}
ret = WsWriteStartAttribute(writer, ns_prefix, local_name, element_ns, FALSE, NULL);
if (FAILED(ret)) goto cleanup;
text_len = lstrlenW(attribute->Value);
utf16_text.text.textType = WS_XML_TEXT_TYPE_UTF16;
utf16_text.bytes = (BYTE *)attribute->Value;
utf16_text.byteCount = min(WSD_MAX_TEXT_LENGTH, text_len) * sizeof(WCHAR);
ret = WsWriteText(writer, (WS_XML_TEXT *)&utf16_text, NULL);
if (FAILED(ret)) goto cleanup;
ret = WsWriteEndAttribute(writer, NULL);
if (FAILED(ret)) goto cleanup;
cleanup:
free_xml_string(local_name);
free_xml_string(element_ns);
free_xml_string(ns_prefix);
return ret;
}
static HRESULT write_xml_element(WSDXML_ELEMENT *element, WS_XML_WRITER *writer)
{
WS_XML_STRING *local_name = NULL, *element_ns = NULL, *ns_prefix = NULL;
WSDXML_ATTRIBUTE *current_attribute;
WS_XML_UTF16_TEXT utf16_text;
WSDXML_NODE *current_child;
WSDXML_TEXT *node_as_text;
int text_len;
HRESULT ret = E_OUTOFMEMORY;
if (element == NULL)
return S_OK;
/* Start the element */
local_name = populate_xml_string(element->Name->LocalName);
if (local_name == NULL) goto cleanup;
element_ns = populate_xml_string(element->Name->Space->Uri);
if (element_ns == NULL) goto cleanup;
ns_prefix = populate_xml_string(element->Name->Space->PreferredPrefix);
if (ns_prefix == NULL) goto cleanup;
ret = WsWriteStartElement(writer, ns_prefix, local_name, element_ns, NULL);
if (FAILED(ret)) goto cleanup;
/* Write attributes */
current_attribute = element->FirstAttribute;
while (current_attribute != NULL)
{
ret = write_xml_attribute(current_attribute, writer);
if (FAILED(ret)) goto cleanup;
current_attribute = current_attribute->Next;
}
/* Write child elements */
current_child = element->FirstChild;
while (current_child != NULL)
{
if (current_child->Type == ElementType)
{
ret = write_xml_element((WSDXML_ELEMENT *)current_child, writer);
if (FAILED(ret)) goto cleanup;
}
else if (current_child->Type == TextType)
{
node_as_text = (WSDXML_TEXT *)current_child;
text_len = lstrlenW(node_as_text->Text);
utf16_text.text.textType = WS_XML_TEXT_TYPE_UTF16;
utf16_text.byteCount = min(WSD_MAX_TEXT_LENGTH, text_len) * sizeof(WCHAR);
utf16_text.bytes = (BYTE *)node_as_text->Text;
ret = WsWriteText(writer, (WS_XML_TEXT *)&utf16_text, NULL);
if (FAILED(ret)) goto cleanup;
}
current_child = current_child->Next;
}
/* End the element */
ret = WsWriteEndElement(writer, NULL);
cleanup:
free_xml_string(local_name);
free_xml_string(element_ns);
free_xml_string(ns_prefix);
return ret;
}
static HRESULT add_child_element(IWSDXMLContext *xml_context, WSDXML_ELEMENT *parent, LPCWSTR ns_uri,
LPCWSTR name, LPCWSTR text, WSDXML_ELEMENT **out)
{
WSDXML_ELEMENT *element_obj;
WSDXML_NAME *name_obj;
HRESULT ret;
ret = IWSDXMLContext_AddNameToNamespace(xml_context, ns_uri, name, &name_obj);
if (FAILED(ret)) return ret;
ret = WSDXMLBuildAnyForSingleElement(name_obj, text, &element_obj);
WSDFreeLinkedMemory(name_obj);
if (FAILED(ret)) return ret;
/* Add the element as a child - this will link the element's memory allocation to the parent's */
ret = WSDXMLAddChild(parent, element_obj);
if (FAILED(ret))
{
WSDFreeLinkedMemory(element_obj);
return ret;
}
if (out != NULL) *out = element_obj;
return ret;
}
HRESULT register_namespaces(IWSDXMLContext *xml_context)
{
HRESULT ret;
ret = IWSDXMLContext_AddNamespace(xml_context, addressingNsUri, addressingPrefix, NULL);
if (FAILED(ret)) return ret;
ret = IWSDXMLContext_AddNamespace(xml_context, discoveryNsUri, discoveryPrefix, NULL);
if (FAILED(ret)) return ret;
return IWSDXMLContext_AddNamespace(xml_context, envelopeNsUri, envelopePrefix, NULL);
}
static BOOL create_guid(LPWSTR buffer)
{
const WCHAR formatString[] = { 'u','r','n',':','u','u','i','d',':','%','s', 0 };
WCHAR* uuidString = NULL;
UUID uuid;
if (UuidCreate(&uuid) != RPC_S_OK)
return FALSE;
UuidToStringW(&uuid, (RPC_WSTR*)&uuidString);
if (uuidString == NULL)
return FALSE;
wsprintfW(buffer, formatString, uuidString);
RpcStringFreeW((RPC_WSTR*)&uuidString);
return TRUE;
}
static void populate_soap_header(WSD_SOAP_HEADER *header, LPCWSTR to, LPCWSTR action, LPCWSTR message_id,
WSD_APP_SEQUENCE *sequence, const WSDXML_ELEMENT *any_headers)
{
ZeroMemory(header, sizeof(WSD_SOAP_HEADER));
header->To = to;
header->Action = action;
header->MessageID = message_id;
header->AppSequence = sequence;
header->AnyHeaders = (WSDXML_ELEMENT *)any_headers;
/* TODO: Implement RelatesTo, ReplyTo, From, FaultTo */
}
#define MAX_ULONGLONG_STRING_SIZE 25
static LPWSTR ulonglong_to_string(void *parent, ULONGLONG value)
{
WCHAR formatString[] = { '%','I','6','4','u', 0 };
LPWSTR ret;
ret = WSDAllocateLinkedMemory(parent, MAX_ULONGLONG_STRING_SIZE * sizeof(WCHAR));
if (ret == NULL)
return NULL;
wsprintfW(ret, formatString, value);
return ret;
}
static WSDXML_ATTRIBUTE *add_attribute(IWSDXMLContext *xml_context, WSDXML_ELEMENT *parent, LPCWSTR ns_uri, LPCWSTR name)
{
WSDXML_ATTRIBUTE *attribute, *cur_attrib;
WSDXML_NAME *name_obj = NULL;
if (ns_uri == NULL)
{
name_obj = WSDAllocateLinkedMemory(NULL, sizeof(WSDXML_NAME));
name_obj->LocalName = duplicate_string(name_obj, name);
name_obj->Space = NULL;
}
else
{
if (FAILED(IWSDXMLContext_AddNameToNamespace(xml_context, ns_uri, name, &name_obj)))
return NULL;
}
attribute = WSDAllocateLinkedMemory(parent, sizeof(WSDXML_ATTRIBUTE));
if (attribute == NULL)
{
WSDFreeLinkedMemory(name_obj);
return NULL;
}
attribute->Element = parent;
attribute->Name = name_obj;
attribute->Next = NULL;
attribute->Value = NULL;
if (name_obj != NULL)
WSDAttachLinkedMemory(attribute, name_obj);
if (parent->FirstAttribute == NULL)
{
/* Make this the first attribute of the parent */
parent->FirstAttribute = attribute;
}
else
{
/* Find the last attribute and add this as the next one */
cur_attrib = parent->FirstAttribute;
while (cur_attrib->Next != NULL)
{
cur_attrib = cur_attrib->Next;
}
cur_attrib->Next = attribute;
}
return attribute;
}
static void remove_attribute(WSDXML_ELEMENT *parent, WSDXML_ATTRIBUTE *attribute)
{
WSDXML_ATTRIBUTE *cur_attrib;
/* Find the last attribute and add this as the next one */
cur_attrib = parent->FirstAttribute;
if (cur_attrib == attribute)
parent->FirstAttribute = cur_attrib->Next;
else
{
while (cur_attrib != NULL)
{
/* Is our attribute the next attribute? */
if (cur_attrib->Next == attribute)
{
/* Remove it from the list */
cur_attrib->Next = attribute->Next;
break;
}
cur_attrib = cur_attrib->Next;
}
}
WSDFreeLinkedMemory(attribute);
}
static HRESULT add_ulonglong_attribute(IWSDXMLContext *xml_context, WSDXML_ELEMENT *parent, LPCWSTR ns_uri, LPCWSTR name,
ULONGLONG value)
{
WSDXML_ATTRIBUTE *attribute = add_attribute(xml_context, parent, ns_uri, name);
if (attribute == NULL)
return E_FAIL;
attribute->Value = ulonglong_to_string(attribute, value);
if (attribute->Value == NULL)
{
remove_attribute(parent, attribute);
return E_FAIL;
}
return S_OK;
}
static HRESULT add_string_attribute(IWSDXMLContext *xml_context, WSDXML_ELEMENT *parent, LPCWSTR ns_uri, LPCWSTR name,
LPCWSTR value)
{
WSDXML_ATTRIBUTE *attribute = add_attribute(xml_context, parent, ns_uri, name);
if (attribute == NULL)
return E_FAIL;
attribute->Value = duplicate_string(attribute, value);
if (attribute->Value == NULL)
{
remove_attribute(parent, attribute);
return E_FAIL;
}
return S_OK;
}
static BOOL add_discovered_namespace(struct list *namespaces, WSDXML_NAMESPACE *discovered_ns)
{
struct discovered_namespace *ns;
LIST_FOR_EACH_ENTRY(ns, namespaces, struct discovered_namespace, entry)
{
if (lstrcmpW(ns->uri, discovered_ns->Uri) == 0)
return TRUE; /* Already added */
}
ns = WSDAllocateLinkedMemory(namespaces, sizeof(struct discovered_namespace));
if (ns == NULL)
return FALSE;
ns->prefix = duplicate_string(ns, discovered_ns->PreferredPrefix);
ns->uri = duplicate_string(ns, discovered_ns->Uri);
if ((ns->prefix == NULL) || (ns->uri == NULL))
return FALSE;
list_add_tail(namespaces, &ns->entry);
return TRUE;
}
static HRESULT build_types_list(LPWSTR buffer, size_t buffer_size, const WSD_NAME_LIST *list, struct list *namespaces)
{
WCHAR format_string[] = { '%', 's', ':', '%', 's', 0 };
LPWSTR current_buf_pos = buffer;
size_t memory_needed = 0;
const WSD_NAME_LIST *cur = list;
do
{
/* Calculate space needed, including NULL character, colon and potential trailing space */
memory_needed = sizeof(WCHAR) * (lstrlenW(cur->Element->LocalName) +
lstrlenW(cur->Element->Space->PreferredPrefix) + 3);
if (current_buf_pos + memory_needed > buffer + buffer_size)
return E_INVALIDARG;
if (cur != list)
*current_buf_pos++ = ' ';
current_buf_pos += wsprintfW(current_buf_pos, format_string, cur->Element->Space->PreferredPrefix,
cur->Element->LocalName);
/* Record the namespace in the discovered namespaces list */
if (!add_discovered_namespace(namespaces, cur->Element->Space))
return E_FAIL;
cur = cur->Next;
} while (cur != NULL);
return S_OK;
}
static HRESULT build_uri_list(LPWSTR buffer, size_t buffer_size, const WSD_URI_LIST *list)
{
size_t memory_needed = 0, string_len = 0;
const WSD_URI_LIST *cur = list;
LPWSTR cur_buf_pos = buffer;
do
{
/* Calculate space needed, including trailing space */
string_len = lstrlenW(cur->Element);
memory_needed = (string_len + 1) * sizeof(WCHAR);
if (cur_buf_pos + memory_needed > buffer + buffer_size)
return E_INVALIDARG;
if (cur != list)
*cur_buf_pos++ = ' ';
memcpy(cur_buf_pos, cur->Element, memory_needed);
cur_buf_pos += string_len;
cur = cur->Next;
} while (cur != NULL);
return S_OK;
}
static HRESULT duplicate_element(WSDXML_ELEMENT *parent, const WSDXML_ELEMENT *node, struct list *namespaces)
{
WSDXML_ATTRIBUTE *cur_attribute, *new_attribute, *last_attribute = NULL;
WSDXML_ELEMENT *new_element;
WSDXML_TEXT *text_node;
WSDXML_NODE *cur_node;
HRESULT ret;
/* First record the namespace in the discovered namespaces list */
if (!add_discovered_namespace(namespaces, node->Name->Space))
return E_FAIL;
ret = WSDXMLBuildAnyForSingleElement(node->Name, NULL, &new_element);
if (FAILED(ret)) return ret;
/* Duplicate the nodes */
cur_node = node->FirstChild;
while (cur_node != NULL)
{
if (cur_node->Type == ElementType)
{
ret = duplicate_element(new_element, (WSDXML_ELEMENT *)cur_node, namespaces);
if (FAILED(ret)) goto cleanup;
}
else if (cur_node->Type == TextType)
{
text_node = WSDAllocateLinkedMemory(new_element, sizeof(WSDXML_TEXT));
if (text_node == NULL) goto failed;
text_node->Node.Parent = NULL;
text_node->Node.Next = NULL;
text_node->Node.Type = TextType;
text_node->Text = duplicate_string(text_node, ((WSDXML_TEXT *)cur_node)->Text);
if (text_node->Text == NULL) goto failed;
ret = WSDXMLAddChild(new_element, (WSDXML_ELEMENT *)text_node);
if (FAILED(ret)) goto cleanup;
}
cur_node = cur_node->Next;
}
/* Duplicate the attributes */
cur_attribute = node->FirstAttribute;
while (cur_attribute != NULL)
{
if ((cur_attribute->Name->Space != NULL) && (!add_discovered_namespace(namespaces, cur_attribute->Name->Space)))
goto failed;
new_attribute = WSDAllocateLinkedMemory(new_element, sizeof(WSDXML_ATTRIBUTE));
if (new_attribute == NULL) goto failed;
new_attribute->Element = new_element;
new_attribute->Name = duplicate_name(new_attribute, cur_attribute->Name);
new_attribute->Value = duplicate_string(new_attribute, cur_attribute->Value);
new_attribute->Next = NULL;
if ((new_attribute->Name == NULL) || (new_attribute->Value == NULL)) goto failed;
if (last_attribute == NULL)
new_element->FirstAttribute = new_attribute;
else
last_attribute->Next = new_attribute;
last_attribute = new_attribute;
cur_attribute = cur_attribute->Next;
}
ret = WSDXMLAddChild(parent, new_element);
if (FAILED(ret)) goto cleanup;
return ret;
failed:
ret = E_FAIL;
cleanup:
WSDXMLCleanupElement(new_element);
return ret;
}
static HRESULT create_soap_header_xml_elements(IWSDXMLContext *xml_context, WSD_SOAP_HEADER *header,
struct list *discovered_namespaces, WSDXML_ELEMENT **out_element)
{
WSDXML_ELEMENT *header_element = NULL, *app_sequence_element = NULL, *temp_element;
WSDXML_NAME *header_name = NULL;
HRESULT ret;
/* <s:Header> */
ret = IWSDXMLContext_AddNameToNamespace(xml_context, envelopeNsUri, headerString, &header_name);
if (FAILED(ret)) goto cleanup;
ret = WSDXMLBuildAnyForSingleElement(header_name, NULL, &header_element);
if (FAILED(ret)) goto cleanup;
WSDFreeLinkedMemory(header_name);
/* <a:Action> */
ret = add_child_element(xml_context, header_element, addressingNsUri, actionString, header->Action, &temp_element);
if (FAILED(ret)) goto cleanup;
/* <a:MessageId> */
ret = add_child_element(xml_context, header_element, addressingNsUri, messageIdString, header->MessageID, &temp_element);
if (FAILED(ret)) goto cleanup;
/* <a:To> */
ret = add_child_element(xml_context, header_element, addressingNsUri, toString, header->To, &temp_element);
if (FAILED(ret)) goto cleanup;
/* <a:RelatesTo> */
if (header->RelatesTo.MessageID != NULL)
{
ret = add_child_element(xml_context, header_element, addressingNsUri, relatesToString,
header->RelatesTo.MessageID, &temp_element);
if (FAILED(ret)) goto cleanup;
}
/* <d:AppSequence> */
ret = add_child_element(xml_context, header_element, discoveryNsUri, appSequenceString, emptyString, &app_sequence_element);
if (FAILED(ret)) goto cleanup;
/* InstanceId attribute */
ret = add_ulonglong_attribute(xml_context, app_sequence_element, NULL, instanceIdString, min(UINT_MAX,
header->AppSequence->InstanceId));
if (FAILED(ret)) goto cleanup;
/* SequenceID attribute */
if (header->AppSequence->SequenceId != NULL)
{
ret = add_string_attribute(xml_context, app_sequence_element, NULL, sequenceIdString, header->AppSequence->SequenceId);
if (FAILED(ret)) goto cleanup;
}
/* MessageNumber attribute */
ret = add_ulonglong_attribute(xml_context, app_sequence_element, NULL, messageNumberString, min(UINT_MAX,
header->AppSequence->MessageNumber));
if (FAILED(ret)) goto cleanup;
/* </d:AppSequence> */
/* Write any headers */
if (header->AnyHeaders != NULL)
{
ret = duplicate_element(header_element, header->AnyHeaders, discovered_namespaces);
if (FAILED(ret)) goto cleanup;
}
/* </s:Header> */
*out_element = header_element;
return ret;
cleanup:
if (header_name != NULL) WSDFreeLinkedMemory(header_name);
WSDXMLCleanupElement(header_element);
return ret;
}
static HRESULT create_soap_envelope(IWSDXMLContext *xml_context, WSD_SOAP_HEADER *header, WSDXML_ELEMENT *body_element,
WS_HEAP **heap, char **output_xml, ULONG *xml_length, struct list *discovered_namespaces)
{
WS_XML_STRING *actual_envelope_prefix = NULL, *envelope_uri_xmlstr = NULL, *tmp_prefix = NULL, *tmp_uri = NULL;
WSDXML_NAMESPACE *addressing_ns = NULL, *discovery_ns = NULL, *envelope_ns = NULL;
WSDXML_ELEMENT *header_element = NULL;
struct discovered_namespace *ns;
WS_XML_BUFFER *buffer = NULL;
WS_XML_WRITER *writer = NULL;
WS_XML_STRING envelope;
HRESULT ret = E_OUTOFMEMORY;
static BYTE envelopeString[] = "Envelope";
/* Create the necessary XML prefixes */
if (FAILED(IWSDXMLContext_AddNamespace(xml_context, addressingNsUri, addressingPrefix, &addressing_ns))) goto cleanup;
if (!add_discovered_namespace(discovered_namespaces, addressing_ns)) goto cleanup;
if (FAILED(IWSDXMLContext_AddNamespace(xml_context, discoveryNsUri, discoveryPrefix, &discovery_ns))) goto cleanup;
if (!add_discovered_namespace(discovered_namespaces, discovery_ns)) goto cleanup;
if (FAILED(IWSDXMLContext_AddNamespace(xml_context, envelopeNsUri, envelopePrefix, &envelope_ns))) goto cleanup;
if (!add_discovered_namespace(discovered_namespaces, envelope_ns)) goto cleanup;
envelope.bytes = envelopeString;
envelope.length = sizeof(envelopeString) - 1;
envelope.dictionary = NULL;
envelope.id = 0;
actual_envelope_prefix = populate_xml_string(envelope_ns->PreferredPrefix);
envelope_uri_xmlstr = populate_xml_string(envelope_ns->Uri);
if ((actual_envelope_prefix == NULL) || (envelope_uri_xmlstr == NULL)) goto cleanup;
/* Now try to create the appropriate WebServices buffers, etc */
ret = WsCreateHeap(16384, 4096, NULL, 0, heap, NULL);
if (FAILED(ret)) goto cleanup;
ret = WsCreateXmlBuffer(*heap, NULL, 0, &buffer, NULL);
if (FAILED(ret)) goto cleanup;
ret = WsCreateWriter(NULL, 0, &writer, NULL);
if (FAILED(ret)) goto cleanup;
ret = WsSetOutputToBuffer(writer, buffer, NULL, 0, NULL);
if (FAILED(ret)) goto cleanup;
/* Create the header XML elements */
ret = create_soap_header_xml_elements(xml_context, header, discovered_namespaces, &header_element);
if (FAILED(ret)) goto cleanup;
/* <s:Envelope> */
ret = WsWriteStartElement(writer, actual_envelope_prefix, &envelope, envelope_uri_xmlstr, NULL);
if (FAILED(ret)) goto cleanup;
LIST_FOR_EACH_ENTRY(ns, discovered_namespaces, struct discovered_namespace, entry)
{
tmp_prefix = populate_xml_string(ns->prefix);
tmp_uri = populate_xml_string(ns->uri);
if ((tmp_prefix == NULL) || (tmp_uri == NULL)) goto cleanup;
ret = WsWriteXmlnsAttribute(writer, tmp_prefix, tmp_uri, FALSE, NULL);
if (FAILED(ret)) goto cleanup;
free_xml_string(tmp_prefix);
free_xml_string(tmp_uri);
}
tmp_prefix = NULL;
tmp_uri = NULL;
/* Write the header */
ret = write_xml_element(header_element, writer);
if (FAILED(ret)) goto cleanup;
/* Write the body */
ret = write_xml_element(body_element, writer);
if (FAILED(ret)) goto cleanup;
ret = WsWriteEndElement(writer, NULL);
if (FAILED(ret)) goto cleanup;
/* </s:Envelope> */
/* Generate the bytes of the document */
ret = WsWriteXmlBufferToBytes(writer, buffer, NULL, NULL, 0, *heap, (void**)output_xml, xml_length, NULL);
if (FAILED(ret)) goto cleanup;
cleanup:
WSDFreeLinkedMemory(addressing_ns);
WSDFreeLinkedMemory(discovery_ns);
WSDFreeLinkedMemory(envelope_ns);
WSDXMLCleanupElement(header_element);
free_xml_string(actual_envelope_prefix);
free_xml_string(envelope_uri_xmlstr);
if (writer != NULL)
WsFreeWriter(writer);
/* Don't free the heap unless the operation has failed */
if ((FAILED(ret)) && (*heap != NULL))
{
WsFreeHeap(*heap);
*heap = NULL;
}
return ret;
}
static HRESULT write_and_send_message(IWSDiscoveryPublisherImpl *impl, WSD_SOAP_HEADER *header, WSDXML_ELEMENT *body_element,
struct list *discovered_namespaces, IWSDUdpAddress *remote_address, int max_initial_delay)
{
static const char xml_header[] = "<?xml version=\"1.0\" encoding=\"utf-8\"?>";
ULONG xml_length = 0, xml_header_len = sizeof(xml_header) - 1;
WS_HEAP *heap = NULL;
char *xml = NULL;
char *full_xml;
HRESULT ret;
ret = create_soap_envelope(impl->xmlContext, header, body_element, &heap, &xml, &xml_length, discovered_namespaces);
if (ret != S_OK) return ret;
/* Prefix the XML header */
full_xml = heap_alloc(xml_length + xml_header_len + 1);
if (full_xml == NULL)
{
WsFreeHeap(heap);
return E_OUTOFMEMORY;
}
memcpy(full_xml, xml_header, xml_header_len);
memcpy(full_xml + xml_header_len, xml, xml_length);
full_xml[xml_length + xml_header_len] = 0;
if (remote_address == NULL)
{
/* Send the message via UDP multicast */
ret = send_udp_multicast(impl, full_xml, xml_length + xml_header_len + 1, max_initial_delay) ? S_OK : E_FAIL;
}
else
{
/* TODO: Send the message via UDP unicast */
FIXME("TODO: Send the message via UDP unicast\n");
}
heap_free(full_xml);
WsFreeHeap(heap);
return ret;
}
HRESULT send_hello_message(IWSDiscoveryPublisherImpl *impl, LPCWSTR id, ULONGLONG metadata_ver, ULONGLONG instance_id,
ULONGLONG msg_num, LPCWSTR session_id, const WSD_NAME_LIST *types_list, const WSD_URI_LIST *scopes_list,
const WSD_URI_LIST *xaddrs_list, const WSDXML_ELEMENT *hdr_any, const WSDXML_ELEMENT *ref_param_any,
const WSDXML_ELEMENT *endpoint_ref_any, const WSDXML_ELEMENT *any)
{
WSDXML_ELEMENT *body_element = NULL, *hello_element, *endpoint_reference_element, *ref_params_element;
struct list *discoveredNamespaces = NULL;
WSDXML_NAME *body_name = NULL;
WSD_SOAP_HEADER soapHeader;
WSD_APP_SEQUENCE sequence;
WCHAR message_id[64];
HRESULT ret = E_OUTOFMEMORY;
LPWSTR buffer;
sequence.InstanceId = instance_id;
sequence.MessageNumber = msg_num;
sequence.SequenceId = session_id;
if (!create_guid(message_id)) goto failed;
discoveredNamespaces = WSDAllocateLinkedMemory(NULL, sizeof(struct list));
if (!discoveredNamespaces) goto failed;
list_init(discoveredNamespaces);
populate_soap_header(&soapHeader, discoveryTo, actionHello, message_id, &sequence, hdr_any);
ret = IWSDXMLContext_AddNameToNamespace(impl->xmlContext, envelopeNsUri, bodyString, &body_name);
if (FAILED(ret)) goto cleanup;
/* <soap:Body>, <wsd:Hello> */
ret = WSDXMLBuildAnyForSingleElement(body_name, NULL, &body_element);
if (FAILED(ret)) goto cleanup;
ret = add_child_element(impl->xmlContext, body_element, discoveryNsUri, helloString, NULL, &hello_element);
if (FAILED(ret)) goto cleanup;
/* <wsa:EndpointReference>, <wsa:Address> */
ret = add_child_element(impl->xmlContext, hello_element, addressingNsUri, endpointReferenceString, NULL,
&endpoint_reference_element);
if (FAILED(ret)) goto cleanup;
ret = add_child_element(impl->xmlContext, endpoint_reference_element, addressingNsUri, addressString, id, NULL);
if (FAILED(ret)) goto cleanup;
/* Write any reference parameters */
if (ref_param_any != NULL)
{
ret = add_child_element(impl->xmlContext, endpoint_reference_element, addressingNsUri, referenceParametersString,
NULL, &ref_params_element);
if (FAILED(ret)) goto cleanup;
ret = duplicate_element(ref_params_element, ref_param_any, discoveredNamespaces);
if (FAILED(ret)) goto cleanup;
}
/* Write any endpoint reference headers */
if (endpoint_ref_any != NULL)
{
ret = duplicate_element(endpoint_reference_element, endpoint_ref_any, discoveredNamespaces);
if (FAILED(ret)) goto cleanup;
}
/* <wsd:Types> */
if (types_list != NULL)
{
buffer = WSDAllocateLinkedMemory(hello_element, WSD_MAX_TEXT_LENGTH * sizeof(WCHAR));
if (buffer == NULL) goto failed;
ret = build_types_list(buffer, WSD_MAX_TEXT_LENGTH * sizeof(WCHAR), types_list, discoveredNamespaces);
if (FAILED(ret)) goto cleanup;
ret = add_child_element(impl->xmlContext, hello_element, discoveryNsUri, typesString, buffer, NULL);
if (FAILED(ret)) goto cleanup;
}
/* <wsd:Scopes> */
if (scopes_list != NULL)
{
buffer = WSDAllocateLinkedMemory(hello_element, WSD_MAX_TEXT_LENGTH * sizeof(WCHAR));
if (buffer == NULL) goto failed;
ret = build_uri_list(buffer, WSD_MAX_TEXT_LENGTH * sizeof(WCHAR), scopes_list);
if (FAILED(ret)) goto cleanup;
ret = add_child_element(impl->xmlContext, hello_element, discoveryNsUri, scopesString, buffer, NULL);
if (FAILED(ret)) goto cleanup;
}
/* <wsd:XAddrs> */
if (xaddrs_list != NULL)
{
buffer = WSDAllocateLinkedMemory(hello_element, WSD_MAX_TEXT_LENGTH * sizeof(WCHAR));
if (buffer == NULL) goto failed;
ret = build_uri_list(buffer, WSD_MAX_TEXT_LENGTH * sizeof(WCHAR), xaddrs_list);
if (FAILED(ret)) goto cleanup;
ret = add_child_element(impl->xmlContext, hello_element, discoveryNsUri, xAddrsString, buffer, NULL);
if (FAILED(ret)) goto cleanup;
}
/* <wsd:MetadataVersion> */
ret = add_child_element(impl->xmlContext, hello_element, discoveryNsUri, metadataVersionString,
ulonglong_to_string(hello_element, min(UINT_MAX, metadata_ver)), NULL);
if (FAILED(ret)) goto cleanup;
/* Write any body elements */
if (any != NULL)
{
ret = duplicate_element(hello_element, any, discoveredNamespaces);
if (FAILED(ret)) goto cleanup;
}
/* Write and send the message */
ret = write_and_send_message(impl, &soapHeader, body_element, discoveredNamespaces, NULL, APP_MAX_DELAY);
goto cleanup;
failed:
ret = E_OUTOFMEMORY;
cleanup:
WSDFreeLinkedMemory(body_name);
WSDFreeLinkedMemory(body_element);
WSDFreeLinkedMemory(discoveredNamespaces);
return ret;
}
HRESULT send_bye_message(IWSDiscoveryPublisherImpl *impl, LPCWSTR id, ULONGLONG instance_id, ULONGLONG msg_num,
LPCWSTR session_id, const WSDXML_ELEMENT *any)
{
WSDXML_ELEMENT *body_element = NULL, *bye_element, *endpoint_reference_element;
struct list *discovered_namespaces = NULL;
WSDXML_NAME *body_name = NULL;
WSD_SOAP_HEADER soap_header;
WSD_APP_SEQUENCE sequence;
WCHAR message_id[64];
HRESULT ret = E_OUTOFMEMORY;
sequence.InstanceId = instance_id;
sequence.MessageNumber = msg_num;
sequence.SequenceId = session_id;
if (!create_guid(message_id)) goto failed;
discovered_namespaces = WSDAllocateLinkedMemory(NULL, sizeof(struct list));
if (!discovered_namespaces) goto failed;
list_init(discovered_namespaces);
populate_soap_header(&soap_header, discoveryTo, actionBye, message_id, &sequence, NULL);
ret = IWSDXMLContext_AddNameToNamespace(impl->xmlContext, envelopeNsUri, bodyString, &body_name);
if (FAILED(ret)) goto cleanup;
/* <soap:Body>, <wsd:Bye> */
ret = WSDXMLBuildAnyForSingleElement(body_name, NULL, &body_element);
if (FAILED(ret)) goto cleanup;
ret = add_child_element(impl->xmlContext, body_element, discoveryNsUri, byeString, NULL, &bye_element);
if (FAILED(ret)) goto cleanup;
/* <wsa:EndpointReference>, <wsa:Address> */
ret = add_child_element(impl->xmlContext, bye_element, addressingNsUri, endpointReferenceString, NULL,
&endpoint_reference_element);
if (FAILED(ret)) goto cleanup;
ret = add_child_element(impl->xmlContext, endpoint_reference_element, addressingNsUri, addressString, id, NULL);
if (FAILED(ret)) goto cleanup;
/* Write any body elements */
if (any != NULL)
{
ret = duplicate_element(bye_element, any, discovered_namespaces);
if (FAILED(ret)) goto cleanup;
}
/* Write and send the message */
ret = write_and_send_message(impl, &soap_header, body_element, discovered_namespaces, NULL, 0);
goto cleanup;
failed:
ret = E_OUTOFMEMORY;
cleanup:
WSDFreeLinkedMemory(body_name);
WSDFreeLinkedMemory(body_element);
WSDFreeLinkedMemory(discovered_namespaces);
return ret;
}
static LPWSTR xml_text_to_wide_string(void *parent_memory, WS_XML_TEXT *text)
{
if (text->textType == WS_XML_TEXT_TYPE_UTF8)
{
WS_XML_UTF8_TEXT *utf8_text = (WS_XML_UTF8_TEXT *) text;
return utf8_to_wide(parent_memory, (const char *) utf8_text->value.bytes, utf8_text->value.length);
}
else if (text->textType == WS_XML_TEXT_TYPE_UTF16)
{
WS_XML_UTF16_TEXT *utf_16_text = (WS_XML_UTF16_TEXT *) text;
return duplicate_string(parent_memory, (LPCWSTR) utf_16_text->bytes);
}
FIXME("Support for text type %d not implemented.\n", text->textType);
return NULL;
}
static inline BOOL read_isspace(unsigned int ch)
{
return ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n';
}
static HRESULT str_to_uint64(const unsigned char *str, ULONG len, UINT64 max, UINT64 *ret)
{
const unsigned char *ptr = str;
*ret = 0;
while (len && read_isspace(*ptr)) { ptr++; len--; }
while (len && read_isspace(ptr[len - 1])) { len--; }
if (!len) return WS_E_INVALID_FORMAT;
while (len--)
{
unsigned int val;
if (!isdigit(*ptr)) return WS_E_INVALID_FORMAT;
val = *ptr - '0';
if ((*ret > max / 10 || *ret * 10 > max - val)) return WS_E_NUMERIC_OVERFLOW;
*ret = *ret * 10 + val;
ptr++;
}
return S_OK;
}
#define MAX_UINT64 (((UINT64)0xffffffff << 32) | 0xffffffff)
static HRESULT wide_text_to_ulonglong(LPCWSTR text, ULONGLONG *value)
{
char *utf8_text;
int utf8_length;
HRESULT ret;
utf8_text = wide_to_utf8(text, &utf8_length);
if (utf8_text == NULL) return E_OUTOFMEMORY;
if (utf8_length == 1) return E_FAIL;
ret = str_to_uint64((const unsigned char *) utf8_text, utf8_length - 1, MAX_UINT64, value);
heap_free(utf8_text);
return ret;
}
static HRESULT move_to_element(WS_XML_READER *reader, const char *element_name, WS_XML_STRING *uri)
{
WS_XML_STRING envelope;
BOOL found = FALSE;
HRESULT ret;
envelope.bytes = (BYTE *) element_name;
envelope.length = strlen(element_name);
envelope.dictionary = NULL;
envelope.id = 0;
ret = WsReadToStartElement(reader, &envelope, uri, &found, NULL);
if (FAILED(ret)) return ret;
return found ? ret : E_FAIL;
}
static void trim_trailing_slash(LPWSTR uri)
{
/* Trim trailing slash from URI */
int uri_len = lstrlenW(uri);
if (uri_len > 0 && uri[uri_len - 1] == '/') uri[uri_len - 1] = 0;
}
static HRESULT ws_element_to_wsdxml_element(WS_XML_READER *reader, IWSDXMLContext *context, WSDXML_ELEMENT *parent_element)
{
WSDXML_ATTRIBUTE *cur_wsd_attrib = NULL, *new_wsd_attrib = NULL;
const WS_XML_ELEMENT_NODE *element_node = NULL;
WSDXML_ELEMENT *cur_element = parent_element;
const WS_XML_TEXT_NODE *text_node = NULL;
LPWSTR uri = NULL, element_name = NULL;
WS_XML_STRING *ns_string = NULL;
WS_XML_ATTRIBUTE *attrib = NULL;
WSDXML_ELEMENT *element = NULL;
const WS_XML_NODE *node = NULL;
WSDXML_NAME *name = NULL;
WSDXML_TEXT *text = NULL;
HRESULT ret;
int i;
for (;;)
{
if (cur_element == NULL) break;
ret = WsReadNode(reader, NULL);
if (FAILED(ret)) goto cleanup;
ret = WsGetReaderNode(reader, &node, NULL);
if (FAILED(ret)) goto cleanup;
switch (node->nodeType)
{
case WS_XML_NODE_TYPE_ELEMENT:
element_node = (const WS_XML_ELEMENT_NODE *) node;
uri = utf8_to_wide(NULL, (const char *) element_node->ns->bytes, element_node->ns->length);
if (uri == NULL) goto outofmemory;
/* Link element_name to uri so they will be freed at the same time */
element_name = utf8_to_wide(uri, (const char *) element_node->localName->bytes,
element_node->localName->length);
if (element_name == NULL) goto outofmemory;
trim_trailing_slash(uri);
ret = IWSDXMLContext_AddNameToNamespace(context, uri, element_name, &name);
if (FAILED(ret)) goto cleanup;
WSDFreeLinkedMemory(uri);
uri = NULL;
ret = WSDXMLBuildAnyForSingleElement(name, NULL, &element);
if (FAILED(ret)) goto cleanup;
WSDXMLAddChild(cur_element, element);
cur_wsd_attrib = NULL;
/* Add attributes */
for (i = 0; i < element_node->attributeCount; i++)
{
attrib = element_node->attributes[i];
if (attrib->isXmlNs) continue;
new_wsd_attrib = WSDAllocateLinkedMemory(element, sizeof(WSDXML_ATTRIBUTE));
if (new_wsd_attrib == NULL) goto outofmemory;
ns_string = attrib->ns;
if (ns_string->length == 0) ns_string = element_node->ns;
uri = utf8_to_wide(NULL, (const char *) ns_string->bytes, ns_string->length);
if (uri == NULL) goto outofmemory;
trim_trailing_slash(uri);
/* Link element_name to uri so they will be freed at the same time */
element_name = utf8_to_wide(uri, (const char *) attrib->localName->bytes, attrib->localName->length);
if (element_name == NULL) goto outofmemory;
ret = IWSDXMLContext_AddNameToNamespace(context, uri, element_name, &name);
if (FAILED(ret)) goto cleanup;
WSDFreeLinkedMemory(uri);
uri = NULL;
new_wsd_attrib->Value = xml_text_to_wide_string(new_wsd_attrib, attrib->value);
if (new_wsd_attrib->Value == NULL) goto outofmemory;
new_wsd_attrib->Name = name;
new_wsd_attrib->Element = cur_element;
new_wsd_attrib->Next = NULL;
if (cur_wsd_attrib == NULL)
element->FirstAttribute = new_wsd_attrib;
else
cur_wsd_attrib->Next = new_wsd_attrib;
cur_wsd_attrib = new_wsd_attrib;
}
cur_element = element;
break;
case WS_XML_NODE_TYPE_TEXT:
text_node = (const WS_XML_TEXT_NODE *) node;
if (cur_element == NULL)
{
WARN("No parent element open but encountered text element!\n");
continue;
}
if (cur_element->FirstChild != NULL)
{
WARN("Text node encountered but parent already has child!\n");
continue;
}
text = WSDAllocateLinkedMemory(element, sizeof(WSDXML_TEXT));
if (text == NULL) goto outofmemory;
text->Node.Parent = element;
text->Node.Next = NULL;
text->Node.Type = TextType;
text->Text = xml_text_to_wide_string(text, text_node->text);
if (text->Text == NULL)
{
WARN("Text node returned null string.\n");
WSDFreeLinkedMemory(text);
continue;
}
cur_element->FirstChild = (WSDXML_NODE *) text;
break;
case WS_XML_NODE_TYPE_END_ELEMENT:
/* Go up a level to the parent element */
cur_element = cur_element->Node.Parent;
break;
default:
break;
}
}
return S_OK;
outofmemory:
ret = E_OUTOFMEMORY;
cleanup:
/* Free uri and element_name if applicable */
WSDFreeLinkedMemory(uri);
return ret;
}
static WSDXML_ELEMENT *find_element(WSDXML_ELEMENT *parent, LPCWSTR name, LPCWSTR ns_uri)
{
WSDXML_ELEMENT *cur = (WSDXML_ELEMENT *) parent->FirstChild;
while (cur != NULL)
{
if ((lstrcmpW(cur->Name->LocalName, name) == 0) && (lstrcmpW(cur->Name->Space->Uri, ns_uri) == 0))
return cur;
cur = (WSDXML_ELEMENT *) cur->Node.Next;
}
return NULL;
}
static void remove_element(WSDXML_ELEMENT *element)
{
WSDXML_NODE *cur;
if (element == NULL)
return;
if (element->Node.Parent->FirstChild == (WSDXML_NODE *) element)
element->Node.Parent->FirstChild = element->Node.Next;
else
{
cur = element->Node.Parent->FirstChild;
while (cur != NULL)
{
if (cur->Next == (WSDXML_NODE *) element)
{
cur->Next = element->Node.Next;
break;
}
cur = cur->Next;
}
}
WSDDetachLinkedMemory(element);
WSDFreeLinkedMemory(element);
}
static WSD_NAME_LIST *build_types_list_from_string(IWSDXMLContext *context, LPCWSTR buffer, void *parent)
{
WSD_NAME_LIST *list = NULL, *cur_list = NULL, *prev_list = NULL;
LPWSTR name_start = NULL, temp_buffer = NULL;
LPCWSTR prefix_start = buffer;
WSDXML_NAMESPACE *ns;
WSDXML_NAME *name;
int buffer_len, i;
if (buffer == NULL)
return NULL;
temp_buffer = duplicate_string(parent, buffer);
if (temp_buffer == NULL) goto cleanup;
buffer_len = lstrlenW(temp_buffer);
list = WSDAllocateLinkedMemory(parent, sizeof(WSD_NAME_LIST));
if (list == NULL) goto cleanup;
ZeroMemory(list, sizeof(WSD_NAME_LIST));
prefix_start = temp_buffer;
for (i = 0; i < buffer_len; i++)
{
if (temp_buffer[i] == ':')
{
temp_buffer[i] = 0;
name_start = &temp_buffer[i + 1];
}
else if ((temp_buffer[i] == ' ') || (i == buffer_len - 1))
{
WSDXML_NAMESPACE *known_ns;
if (temp_buffer[i] == ' ')
temp_buffer[i] = 0;
if (cur_list == NULL)
cur_list = list;
else
{
cur_list = WSDAllocateLinkedMemory(parent, sizeof(WSD_NAME_LIST));
if (cur_list == NULL) goto cleanup;
prev_list->Next = cur_list;
}
name = WSDAllocateLinkedMemory(cur_list, sizeof(WSDXML_NAME));
if (name == NULL) goto cleanup;
ns = WSDAllocateLinkedMemory(cur_list, sizeof(WSDXML_NAMESPACE));
if (ns == NULL) goto cleanup;
ZeroMemory(ns, sizeof(WSDXML_NAMESPACE));
ns->PreferredPrefix = duplicate_string(ns, prefix_start);
known_ns = xml_context_find_namespace_by_prefix(context, ns->PreferredPrefix);
if (known_ns != NULL)
ns->Uri = duplicate_string(ns, known_ns->Uri);
name->Space = ns;
name->LocalName = duplicate_string(name, name_start);
cur_list->Element = name;
prefix_start = &temp_buffer[i + 1];
name_start = NULL;
}
}
WSDFreeLinkedMemory(temp_buffer);
return list;
cleanup:
WSDFreeLinkedMemory(list);
WSDFreeLinkedMemory(temp_buffer);
return NULL;
}
static WSDXML_TYPE *generate_type(LPCWSTR uri, void *parent)
{
WSDXML_TYPE *type = WSDAllocateLinkedMemory(parent, sizeof(WSDXML_TYPE));
if (type == NULL)
return NULL;
type->Uri = duplicate_string(parent, uri);
type->Table = NULL;
return type;
}
HRESULT read_message(const char *xml, int xml_length, WSD_SOAP_MESSAGE **out_msg, int *msg_type)
{
WSDXML_ELEMENT *envelope = NULL, *header_element, *appsequence_element, *body_element;
WS_XML_READER_TEXT_ENCODING encoding;
WS_XML_ELEMENT_NODE *envelope_node;
WSD_SOAP_MESSAGE *soap_msg = NULL;
WS_XML_READER_BUFFER_INPUT input;
WS_XML_ATTRIBUTE *attrib = NULL;
IWSDXMLContext *context = NULL;
WS_XML_STRING *soap_uri = NULL;
const WS_XML_NODE *node;
WS_XML_READER *reader;
LPCWSTR value = NULL;
LPWSTR uri, prefix;
WS_HEAP *heap;
HRESULT ret;
int i;
*msg_type = MSGTYPE_UNKNOWN;
ret = WsCreateHeap(16384, 4096, NULL, 0, &heap, NULL);
if (FAILED(ret)) goto cleanup;
ret = WsCreateReader(NULL, 0, &reader, NULL);
if (FAILED(ret)) goto cleanup;
encoding.encoding.encodingType = WS_XML_READER_ENCODING_TYPE_TEXT;
encoding.charSet = WS_CHARSET_AUTO;
input.input.inputType = WS_XML_READER_INPUT_TYPE_BUFFER;
input.encodedData = (char *) xml;
input.encodedDataSize = xml_length;
ret = WsSetInput(reader, (WS_XML_READER_ENCODING *) &encoding, (WS_XML_READER_INPUT *) &input, NULL, 0, NULL);
if (FAILED(ret)) goto cleanup;
soap_uri = populate_xml_string(envelopeNsUri);
if (soap_uri == NULL) goto outofmemory;
ret = move_to_element(reader, "Envelope", soap_uri);
if (FAILED(ret)) goto cleanup;
ret = WsGetReaderNode(reader, &node, NULL);
if (FAILED(ret)) goto cleanup;
if (node->nodeType != WS_XML_NODE_TYPE_ELEMENT)
{
WARN("Unexpected node type (%d)\n", node->nodeType);
ret = E_FAIL;
goto cleanup;
}
envelope_node = (WS_XML_ELEMENT_NODE *) node;
ret = WSDXMLCreateContext(&context);
if (FAILED(ret)) goto cleanup;
/* Find XML namespaces from the envelope element's attributes */
for (i = 0; i < envelope_node->attributeCount; i++)
{
attrib = envelope_node->attributes[i];
if (attrib->isXmlNs)
{
uri = utf8_to_wide(NULL, (const char *) attrib->ns->bytes, attrib->ns->length);
if (uri == NULL) continue;
trim_trailing_slash(uri);
prefix = utf8_to_wide(uri, (const char *) attrib->localName->bytes, attrib->localName->length);
if (prefix == NULL)
{
WSDFreeLinkedMemory(uri);
continue;
}
IWSDXMLContext_AddNamespace(context, uri, prefix, NULL);
WSDFreeLinkedMemory(uri);
}
}
/* Create the SOAP message to return to the caller */
soap_msg = WSDAllocateLinkedMemory(NULL, sizeof(WSD_SOAP_MESSAGE));
if (soap_msg == NULL) goto outofmemory;
ZeroMemory(soap_msg, sizeof(WSD_SOAP_MESSAGE));
envelope = WSDAllocateLinkedMemory(soap_msg, sizeof(WSDXML_ELEMENT));
if (envelope == NULL) goto outofmemory;
ZeroMemory(envelope, sizeof(WSDXML_ELEMENT));
ret = ws_element_to_wsdxml_element(reader, context, envelope);
if (FAILED(ret)) goto cleanup;
/* Find the header element */
header_element = find_element(envelope, headerString, envelopeNsUri);
if (header_element == NULL)
{
WARN("Unable to find header element in received SOAP message\n");
ret = E_FAIL;
goto cleanup;
}
ret = WSDXMLGetValueFromAny(addressingNsUri, actionString, (WSDXML_ELEMENT *) header_element->FirstChild, &value);
if (FAILED(ret)) goto cleanup;
soap_msg->Header.Action = duplicate_string(soap_msg, value);
if (soap_msg->Header.Action == NULL) goto outofmemory;
ret = WSDXMLGetValueFromAny(addressingNsUri, toString, (WSDXML_ELEMENT *) header_element->FirstChild, &value);
if (FAILED(ret)) goto cleanup;
soap_msg->Header.To = duplicate_string(soap_msg, value);
if (soap_msg->Header.To == NULL) goto outofmemory;
ret = WSDXMLGetValueFromAny(addressingNsUri, messageIdString, (WSDXML_ELEMENT *) header_element->FirstChild, &value);
if (FAILED(ret)) goto cleanup;
soap_msg->Header.MessageID = duplicate_string(soap_msg, value);
if (soap_msg->Header.MessageID == NULL) goto outofmemory;
/* Look for optional AppSequence element */
appsequence_element = find_element(header_element, appSequenceString, discoveryNsUri);
if (appsequence_element != NULL)
{
WSDXML_ATTRIBUTE *current_attrib;
soap_msg->Header.AppSequence = WSDAllocateLinkedMemory(soap_msg, sizeof(WSD_APP_SEQUENCE));
if (soap_msg->Header.AppSequence == NULL) goto outofmemory;
ZeroMemory(soap_msg->Header.AppSequence, sizeof(WSD_APP_SEQUENCE));
current_attrib = appsequence_element->FirstAttribute;
while (current_attrib != NULL)
{
if (lstrcmpW(current_attrib->Name->Space->Uri, discoveryNsUri) != 0)
{
current_attrib = current_attrib->Next;
continue;
}
if (lstrcmpW(current_attrib->Name->LocalName, instanceIdString) == 0)
{
ret = wide_text_to_ulonglong(current_attrib->Value, &soap_msg->Header.AppSequence->InstanceId);
if (FAILED(ret)) goto cleanup;
}
else if (lstrcmpW(current_attrib->Name->LocalName, messageNumberString) == 0)
{
ret = wide_text_to_ulonglong(current_attrib->Value, &soap_msg->Header.AppSequence->MessageNumber);
if (FAILED(ret)) goto cleanup;
}
else if (lstrcmpW(current_attrib->Name->LocalName, sequenceIdString) == 0)
{
soap_msg->Header.AppSequence->SequenceId = duplicate_string(soap_msg, current_attrib->Value);
if (soap_msg->Header.AppSequence->SequenceId == NULL) goto outofmemory;
}
current_attrib = current_attrib->Next;
}
}
/* Now detach and free known headers to leave the "any" elements */
remove_element(find_element(header_element, actionString, addressingNsUri));
remove_element(find_element(header_element, toString, addressingNsUri));
remove_element(find_element(header_element, messageIdString, addressingNsUri));
remove_element(find_element(header_element, appSequenceString, discoveryNsUri));
soap_msg->Header.AnyHeaders = (WSDXML_ELEMENT *) header_element->FirstChild;
if (soap_msg->Header.AnyHeaders != NULL)
soap_msg->Header.AnyHeaders->Node.Parent = NULL;
/* Find the body element */
body_element = find_element(envelope, bodyString, envelopeNsUri);
if (body_element == NULL)
{
WARN("Unable to find body element in received SOAP message\n");
ret = E_FAIL;
goto cleanup;
}
/* Now figure out which message we've been sent */
if (lstrcmpW(soap_msg->Header.Action, actionProbe) == 0)
{
WSDXML_ELEMENT *probe_element;
WSD_PROBE *probe = NULL;
probe_element = find_element(body_element, probeString, discoveryNsUri);
if (probe_element == NULL) goto cleanup;
probe = WSDAllocateLinkedMemory(soap_msg, sizeof(WSD_PROBE));
if (probe == NULL) goto cleanup;
ZeroMemory(probe, sizeof(WSD_PROBE));
/* Check for the "types" element */
ret = WSDXMLGetValueFromAny(discoveryNsUri, typesString, (WSDXML_ELEMENT *) probe_element->FirstChild, &value);
if (FAILED(ret))
{
WARN("Unable to find Types element in received Probe message\n");
goto cleanup;
}
probe->Types = build_types_list_from_string(context, value, probe);
/* Now detach and free known headers to leave the "any" elements */
remove_element(find_element(probe_element, typesString, discoveryNsUri));
remove_element(find_element(probe_element, scopesString, discoveryNsUri));
probe->Any = (WSDXML_ELEMENT *) probe_element->FirstChild;
if (probe->Any != NULL)
probe->Any->Node.Parent = NULL;
soap_msg->Body = probe;
soap_msg->BodyType = generate_type(actionProbe, soap_msg);
if (soap_msg->BodyType == NULL) goto cleanup;
*out_msg = soap_msg;
soap_msg = NULL; /* caller will clean this up */
*msg_type = MSGTYPE_PROBE;
}
goto cleanup;
outofmemory:
ret = E_OUTOFMEMORY;
cleanup:
free_xml_string(soap_uri);
WSDFreeLinkedMemory(soap_msg);
if (context != NULL) IWSDXMLContext_Release(context);
return ret;
}
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