diff options
| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-10-23 10:32:13 +0200 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-10-23 13:24:36 +0200 |
| commit | 0b2791b56f658b6ec6ca7377dbcd2b72e6a78193 (patch) | |
| tree | c5f8f014f4e475ff2a8db8a5a3e8753a69997a05 | |
| parent | 1e38568816ff685310625a92a225fbcb381bf61b (diff) | |
| download | uxp-0b2791b56f658b6ec6ca7377dbcd2b72e6a78193.tar.gz | |
Issue #1255 - Port upstream fix from libexpat
| -rw-r--r-- | parser/expat/lib/xmlparse.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/parser/expat/lib/xmlparse.c b/parser/expat/lib/xmlparse.c index 93a8177645..6ab140c894 100644 --- a/parser/expat/lib/xmlparse.c +++ b/parser/expat/lib/xmlparse.c @@ -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 */ |