Program crashes if attribute is of type axutil_qname_t*
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Key: AXIS2C-771
URL: https://issues.apache.org/jira/browse/AXIS2C-771
Project: Axis2-C
Issue Type: Bug
Components: code generation
Affects Versions: Current (Nightly)
Environment: Win + UNIX
Reporter: Michael Mole
Priority: Critical
If I have a complex type with an attribute of type axutil_qname_t*, my program
crashes when serializing because the generated code is trying to write to
unallocated memory.
For example, my complex type looks like this:
<complexType name="Foo">
<sequence>
<element name="content" type="anyType" minOccurs="0">
</element>
</sequence>
<attribute name="property" use="required" type="QName">
</attribute>
</complexType>
The generated code in the serialize method looks like this:
if(!parent_tag_closed)
{
sprintf(text_value, "%s:%s",
axutil_qname_get_prefix(_Foo->property_property, env),
axutil_qname_get_localpart(_Foo->property_property, env));
string_to_stream = (axis2_char_t*) AXIS2_MALLOC
(env-> allocator, sizeof (axis2_char_t) *
(64 +
strlen("property" +
strlen(text_value))));
sprintf(string_to_stream, " ns2:property=\"%s\"",
text_value);
axutil_stream_write(stream, env, string_to_stream,
axutil_strlen(string_to_stream));
AXIS2_FREE(env-> allocator, string_to_stream);
AXIS2_FREE(env->allocator, text_value);
...
This crashes when trying to get the strlen(text_value) when assigning
string_to_stream. This is because text_value had never been allocated memory.
I found that adding this line above the first sprintf allowed the code to
proceed:
text_value = (axis2_char_t*) AXIS2_MALLOC ( env-> allocator, sizeof
(axis2_char_t) *
( 64 +
strlen(axutil_qname_get_prefix(_Foo>property_property, env)) +
strlen(axutil_qname_get_localpart(_Foo>property_property, env)) ) );
This should be added in CADBBeanTemplateSource.xsl at approximately line 2475
when the axutil_qname_t attribute code is generated.
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