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Issue #13612: handle unknown encodings without a buffer overflow.

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This affects pyexpat and _elementtree. PyExpat_CAPI now exposes a new
function - DefaultUnknownEncodingHandler.

Based on a patch by Serhiy Storchaka.
This commit is contained in:
Eli Bendersky 2013-05-25 05:25:48 -07:00
parent 6b5a38c728
commit 6dc32b34dd
4 changed files with 128 additions and 79 deletions
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4
Include/pyexpat.h
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@ -6,7 +6,7 @@
#define PyExpat_CAPI_MAGIC "pyexpat.expat_CAPI 1.0"
#define PyExpat_CAPSULE_NAME "pyexpat.expat_CAPI"
struct PyExpat_CAPI
struct PyExpat_CAPI
{
char* magic; /* set to PyExpat_CAPI_MAGIC */
int size; /* set to sizeof(struct PyExpat_CAPI) */
@ -46,6 +46,8 @@ struct PyExpat_CAPI
void (*SetStartDoctypeDeclHandler)(XML_Parser parser,
XML_StartDoctypeDeclHandler start);
enum XML_Status (*SetEncoding)(XML_Parser parser, const XML_Char *encoding);
int (*DefaultUnknownEncodingHandler)(
void *encodingHandlerData, const XML_Char *name, XML_Encoding *info);
/* always add new stuff to the end! */
};