Hi Jose M. Sánchez
I tested with the attached googlesearch.wsdl after fixing a bug in
XmlSchema. test_wsdl1 sample works.
Please send your googlesearch.wsdl if it is differnt.
Damitha
Null pointer read while parsing WSDL
------------------------------------
Key: AXIS2C-330
URL: http://issues.apache.org/jira/browse/AXIS2C-330
Project: Axis2-C
Issue Type: Bug
Components: woden
Affects Versions: Current (Nightly)
Environment: Windows XP
Reporter: Jose M. Sánchez
While parsing a WSDL file my program crashes because of reading a null pointer.
While debugging I have found the following situation:
file: /c/woden/src/wsdl/documentable.c
I see that:
documentable_impl_l = NULL
woden_documentable_resolve_methods(
woden_documentable_t *documentable,
const axis2_env_t *env,
woden_documentable_t *documentable_impl,
axis2_hash_t *methods)
{
[...]
documentable->ops->add_documentation_element = axis2_hash_get(methods,
<-- after this, add_documentation_element = NULL
"add_documentation_element", AXIS2_HASH_KEY_STRING);
if (!documentable->ops->add_documentation_element && documentable_impl_l)
<-- it does not enter here
documentable->ops->add_documentation_element =
documentable_impl_l->documentable.ops->add_documentation_element;
[...]
}
after the execution of this function, the operation add_documentation_element =
NULL, then in the following function it fails:
file: /c/woden/src/builder/wsdl10_reader.c
static void *
parse_interface_op(
void *reader,
const axis2_env_t *env,
axiom_node_t *op_el_node,
void *desc,
void *parent)
{
[...]
if (AXIS2_TRUE == axis2_qname_util_matches(env,
q_elem_documentation, temp_el_node))
{
void *documentation = NULL;
documentation = parse_documentation(reader, env, temp_el_node,
desc);
op = woden_interface_op_to_documentable(op, env);
WODEN_DOCUMENTABLE_ADD_DOCUMENTATION_ELEMENT(op, env,
documentation); <-- Fails here
}
[...]
}
The call to WODEN_DOCUMENTABLE_ADD_DOCUMENTATION_ELEMENT fails, because the
method add_documentation_element is null.
I have tested this with my own code, as well as with the test_woden sample
program (which is very similar to my code), using different wsdl files, for
example the googlesearch.wsdl file, and the result was always the same.
<?xml version="1.0"?>
<!-- WSDL description of the Google Web APIs.
The Google Web APIs are in beta release. All interfaces are subject to
change as we refine and extend our APIs. Please see the terms of use
for more information. -->
<!-- Revision 2002-08-16 -->
<definitions name="GoogleSearch"
targetNamespace="urn:GoogleSearch"
xmlns:typens="urn:GoogleSearch"
xmlns:xsd="http://www.w3.org/2001/XMLSchema";
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/";
xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/";
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/";
xmlns="http://schemas.xmlsoap.org/wsdl/";>
<!-- Types for search - result elements, directory categories -->
<types>
<xsd:schema xmlns="http://www.w3.org/2001/XMLSchema";
targetNamespace="urn:GoogleSearch">
<xsd:complexType name="GoogleSearchResult">
<xsd:all>
<xsd:element name="documentFiltering" type="xsd:boolean"/>
<xsd:element name="searchComments" type="xsd:string"/>
<xsd:element name="estimatedTotalResultsCount" type="xsd:int"/>
<xsd:element name="estimateIsExact" type="xsd:boolean"/>
<xsd:element name="resultElements" type="typens:ResultElementArray"/>
<xsd:element name="searchQuery" type="xsd:string"/>
<xsd:element name="startIndex" type="xsd:int"/>
<xsd:element name="endIndex" type="xsd:int"/>
<xsd:element name="searchTips" type="xsd:string"/>
<xsd:element name="directoryCategories" type="typens:DirectoryCategoryArray"/>
<xsd:element name="searchTime" type="xsd:double"/>
</xsd:all>
</xsd:complexType>
<xsd:complexType name="ResultElement">
<xsd:all>
<xsd:element name="summary" type="xsd:string"/>
<xsd:element name="URL" type="xsd:string"/>
<xsd:element name="snippet" type="xsd:string"/>
<xsd:element name="title" type="xsd:string"/>
<xsd:element name="cachedSize" type="xsd:string"/>
<xsd:element name="relatedInformationPresent" type="xsd:boolean"/>
<xsd:element name="hostName" type="xsd:string"/>
<xsd:element name="directoryCategory" type="typens:DirectoryCategory"/>
<xsd:element name="directoryTitle" type="xsd:string"/>
</xsd:all>
</xsd:complexType>
<xsd:complexType name="ResultElementArray">
<xsd:complexContent>
<xsd:restriction base="soapenc:Array">
<xsd:attribute ref="soapenc:arrayType" wsdl:arrayType="typens:ResultElement[]"/>
</xsd:restriction>
</xsd:complexContent>
</xsd:complexType>
<xsd:complexType name="DirectoryCategoryArray">
<xsd:complexContent>
<xsd:restriction base="soapenc:Array">
<xsd:attribute ref="soapenc:arrayType" wsdl:arrayType="typens:DirectoryCategory[]"/>
</xsd:restriction>
</xsd:complexContent>
</xsd:complexType>
<xsd:complexType name="DirectoryCategory">
<xsd:all>
<xsd:element name="fullViewableName" type="xsd:string"/>
<xsd:element name="specialEncoding" type="xsd:string"/>
</xsd:all>
</xsd:complexType>
</xsd:schema>
</types>
<!-- Messages for Google Web APIs - cached page, search, spelling. -->
<message name="doGetCachedPage">
<part name="key" type="xsd:string"/>
<part name="url" type="xsd:string"/>
</message>
<message name="doGetCachedPageResponse">
<part name="return" type="xsd:base64Binary"/>
</message>
<message name="doSpellingSuggestion">
<part name="key" type="xsd:string"/>
<part name="phrase" type="xsd:string"/>
</message>
<message name="doSpellingSuggestionResponse">
<part name="return" type="xsd:string"/>
</message>
<!-- note, ie and oe are ignored by server; all traffic is UTF-8. -->
<message name="doGoogleSearch">
<part name="key" type="xsd:string"/>
<part name="q" type="xsd:string"/>
<part name="start" type="xsd:int"/>
<part name="maxResults" type="xsd:int"/>
<part name="filter" type="xsd:boolean"/>
<part name="restrict" type="xsd:string"/>
<part name="safeSearch" type="xsd:boolean"/>
<part name="lr" type="xsd:string"/>
<part name="ie" type="xsd:string"/>
<part name="oe" type="xsd:string"/>
</message>
<message name="doGoogleSearchResponse">
<part name="return" type="typens:GoogleSearchResult"/>
</message>
<!-- Port for Google Web APIs, "GoogleSearch" -->
<portType name="GoogleSearchPort">
<operation name="doGetCachedPage">
<input message="typens:doGetCachedPage"/>
<output message="typens:doGetCachedPageResponse"/>
</operation>
<operation name="doSpellingSuggestion">
<input message="typens:doSpellingSuggestion"/>
<output message="typens:doSpellingSuggestionResponse"/>
</operation>
<operation name="doGoogleSearch">
<input message="typens:doGoogleSearch"/>
<output message="typens:doGoogleSearchResponse"/>
</operation>
</portType>
<!-- Binding for Google Web APIs - RPC, SOAP over HTTP -->
<binding name="GoogleSearchBinding" type="typens:GoogleSearchPort">
<soap:binding style="rpc"
transport="http://schemas.xmlsoap.org/soap/http"/>
<operation name="doGetCachedPage">
<soap:operation soapAction="urn:GoogleSearchAction"/>
<input>
<soap:body use="encoded"
namespace="urn:GoogleSearch"
encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
</input>
<output>
<soap:body use="encoded"
namespace="urn:GoogleSearch"
encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
</output>
</operation>
<operation name="doSpellingSuggestion">
<soap:operation soapAction="urn:GoogleSearchAction"/>
<input>
<soap:body use="encoded"
namespace="urn:GoogleSearch"
encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
</input>
<output>
<soap:body use="encoded"
namespace="urn:GoogleSearch"
encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
</output>
</operation>
<operation name="doGoogleSearch">
<soap:operation soapAction="urn:GoogleSearchAction"/>
<input>
<soap:body use="encoded"
namespace="urn:GoogleSearch"
encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
</input>
<output>
<soap:body use="encoded"
namespace="urn:GoogleSearch"
encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
</output>
</operation>
</binding>
<!-- Endpoint for Google Web APIs -->
<service name="GoogleSearchService">
<port name="GoogleSearchPort" binding="typens:GoogleSearchBinding">
<soap:address location="http://api.google.com/search/beta2"/>
</port>
</service>
</definitions>
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