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Port upstream fix from libexpat.

This commit is contained in:
Fedor 2019-11-12 08:44:01 +03:00
parent 6c0079265a
commit beb22b9771
1 changed files with 13 additions and 7 deletions
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20
parser/expat/lib/xmlparse.c
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@ -335,7 +335,7 @@ initializeEncoding(XML_Parser parser);
static enum XML_Error
doProlog(XML_Parser parser, const ENCODING *enc, const char *s,
const char *end, int tok, const char *next, const char **nextPtr,
XML_Bool haveMore);
XML_Bool haveMore, XML_Bool allowClosingDoctype);
static enum XML_Error
processInternalEntity(XML_Parser parser, ENTITY *entity,
XML_Bool betweenDecl);
@ -3760,7 +3760,7 @@ externalParEntProcessor(XML_Parser parser,
processor = prologProcessor;
return doProlog(parser, encoding, s, end, tok, next,
nextPtr, (XML_Bool)!ps_finalBuffer);
nextPtr, (XML_Bool)!ps_finalBuffer, XML_TRUE);
}
static enum XML_Error PTRCALL
@ -3810,7 +3810,7 @@ prologProcessor(XML_Parser parser,
const char *next = s;
int tok = XmlPrologTok(encoding, s, end, &next);
return doProlog(parser, encoding, s, end, tok, next,
nextPtr, (XML_Bool)!ps_finalBuffer);
nextPtr, (XML_Bool)!ps_finalBuffer, XML_TRUE);
}
static enum XML_Error
@ -3821,7 +3821,8 @@ doProlog(XML_Parser parser,
int tok,
const char *next,
const char **nextPtr,
XML_Bool haveMore)
XML_Bool haveMore,
XML_Bool allowClosingDoctype)
{
#ifdef XML_DTD
static const XML_Char externalSubsetName[] = { '#' , '\0' };
@ -3987,6 +3988,11 @@ doProlog(XML_Parser parser,
}
break;
case XML_ROLE_DOCTYPE_CLOSE:
if (allowClosingDoctype != XML_TRUE) {
/* Must not close doctype from within expanded parameter entities */
return XML_ERROR_INVALID_TOKEN;
}
if (doctypeName) {
startDoctypeDeclHandler(handlerArg, doctypeName,
doctypeSysid, doctypePubid, 0);
@ -4892,7 +4898,7 @@ processInternalEntity(XML_Parser parser, ENTITY *entity,
if (entity->is_param) {
int tok = XmlPrologTok(internalEncoding, textStart, textEnd, &next);
result = doProlog(parser, internalEncoding, textStart, textEnd, tok,
next, &next, XML_FALSE);
next, &next, XML_FALSE, XML_FALSE);
}
else
#endif /* XML_DTD */
@ -4959,7 +4965,7 @@ internalEntityProcessor(XML_Parser parser,
if (entity->is_param) {
int tok = XmlPrologTok(internalEncoding, textStart, textEnd, &next);
result = doProlog(parser, internalEncoding, textStart, textEnd, tok,
next, &next, XML_FALSE);
next, &next, XML_FALSE, XML_TRUE);
}
else
#endif /* XML_DTD */
@ -4986,7 +4992,7 @@ internalEntityProcessor(XML_Parser parser,
processor = prologProcessor;
tok = XmlPrologTok(encoding, s, end, &next);
return doProlog(parser, encoding, s, end, tok, next, nextPtr,
(XML_Bool)!ps_finalBuffer);
(XML_Bool)!ps_finalBuffer, XML_TRUE);
}
else
#endif /* XML_DTD */