shaba/libxml2
1
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/libxml2.git synced 2024-10-26 20:25:14 +03:00
Code Releases Activity

Fix handling of unexpected EOF in xmlParseContent

Browse Source 
Readd the XML_ERR_TAG_NOT_FINISHED error on unexpected EOF which was
removed in commit 62150ed2.

This commit also introduced a regression for direct users of
xmlParseContent. Unclosed tags weren't checked.
This commit is contained in:
Nick Wellnhofer 2021-05-08 20:21:29 +02:00
parent 3e80560d4b
commit de5b624f10
4 changed files with 45 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
parser.c
View File

@ -9837,16 +9837,15 @@ xmlParseCDSect(xmlParserCtxtPtr ctxt) {
}
/**
* xmlParseContent:
* xmlParseContentInternal:
* @ctxt: an XML parser context
*
* Parse a content:
*
* [43] content ::= (element | CharData | Reference | CDSect | PI | Comment)*
* Parse a content sequence. Stops at EOF or '</'. Leaves checking of
* unexpected EOF to the caller.
*/
void
xmlParseContent(xmlParserCtxtPtr ctxt) {
static void
xmlParseContentInternal(xmlParserCtxtPtr ctxt) {
int nameNr = ctxt->nameNr;
GROW;
@ -9921,6 +9920,30 @@ xmlParseContent(xmlParserCtxtPtr ctxt) {
}
}
/**
* xmlParseContent:
* @ctxt: an XML parser context
*
* Parse a content sequence. Stops at EOF or '</'.
*
* [43] content ::= (element | CharData | Reference | CDSect | PI | Comment)*
*/
void
xmlParseContent(xmlParserCtxtPtr ctxt) {
int nameNr = ctxt->nameNr;
xmlParseContentInternal(ctxt);
if ((ctxt->instate != XML_PARSER_EOF) && (ctxt->nameNr > nameNr)) {
const xmlChar *name = ctxt->nameTab[ctxt->nameNr - 1];
int line = (ptrdiff_t) ctxt->pushTab[ctxt->nameNr * 4 - 2];
xmlFatalErrMsgStrIntStr(ctxt, XML_ERR_TAG_NOT_FINISHED,
"Premature end of data in tag %s line %d\n",
name, line, NULL);
}
}
/**
* xmlParseElement:
* @ctxt: an XML parser context
@ -9939,9 +9962,20 @@ void
xmlParseElement(xmlParserCtxtPtr ctxt) {
if (xmlParseElementStart(ctxt) != 0)
return;
xmlParseContent(ctxt);
xmlParseContentInternal(ctxt);
if (ctxt->instate == XML_PARSER_EOF)
return;
if (CUR == 0) {
const xmlChar *name = ctxt->nameTab[ctxt->nameNr - 1];
int line = (ptrdiff_t) ctxt->pushTab[ctxt->nameNr * 4 - 2];
xmlFatalErrMsgStrIntStr(ctxt, XML_ERR_TAG_NOT_FINISHED,
"Premature end of data in tag %s line %d\n",
name, line, NULL);
return;
}
xmlParseElementEnd(ctxt);
}

4
python/tests/tstLastError.py
View File

@ -71,8 +71,8 @@ class TestCase(unittest.TestCase):
(s,len(s),"dummy.xml",None,0),
libxml2.treeError,
domain=libxml2.XML_FROM_PARSER,
code=libxml2.XML_ERR_LTSLASH_REQUIRED,
message='EndTag: \'</\' not found\n',
code=libxml2.XML_ERR_TAG_NOT_FINISHED,
message='Premature end of data in tag x line 1\n',
level=libxml2.XML_ERR_FATAL,
file='dummy.xml',
line=3)

2
result/errors/754947.xml.ent
View File

@ -2,6 +2,6 @@
Bytes: 0xEE 0x5D 0x5D 0x3E
<d><![CDATA[0000000000000î]]>
^
./test/errors/754947.xml:1: parser error : EndTag: '</' not found
./test/errors/754947.xml:1: parser error : Premature end of data in tag d line 1
<d><![CDATA[0000000000000î]]>
^

2
result/errors/754947.xml.err
View File

@ -2,6 +2,6 @@
Bytes: 0xEE 0x5D 0x5D 0x3E
<d><![CDATA[0000000000000î]]>
^
./test/errors/754947.xml:1: parser error : EndTag: '</' not found
./test/errors/754947.xml:1: parser error : Premature end of data in tag d line 1
<d><![CDATA[0000000000000î]]>
^