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Fix a bug in CData error handling in the push parser

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For https://bugzilla.gnome.org/show_bug.cgi?id=754947

The checking function was returning incorrect args in some cases
Adds the test to teh reg suite and fix one of the existing test output
This commit is contained in:
Daniel Veillard 2015-09-18 15:06:46 +08:00
parent 51f02b0a03
commit 4a5d80aded
6 changed files with 18 additions and 5 deletions
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6
parser.c
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@ -11192,7 +11192,7 @@ xmlCheckCdataPush(const xmlChar *utf, int len) {
else
return(-ix);
} else if ((c & 0xe0) == 0xc0) {/* 2-byte code, starts with 110 */
if (ix + 2 > len) return(ix);
if (ix + 2 > len) return(-ix);
if ((utf[ix+1] & 0xc0 ) != 0x80)
return(-ix);
codepoint = (utf[ix] & 0x1f) << 6;
@ -11201,7 +11201,7 @@ xmlCheckCdataPush(const xmlChar *utf, int len) {
return(-ix);
ix += 2;
} else if ((c & 0xf0) == 0xe0) {/* 3-byte code, starts with 1110 */
if (ix + 3 > len) return(ix);
if (ix + 3 > len) return(-ix);
if (((utf[ix+1] & 0xc0) != 0x80) ||
((utf[ix+2] & 0xc0) != 0x80))
return(-ix);
@ -11212,7 +11212,7 @@ xmlCheckCdataPush(const xmlChar *utf, int len) {
return(-ix);
ix += 3;
} else if ((c & 0xf8) == 0xf0) {/* 4-byte code, starts with 11110 */
if (ix + 4 > len) return(ix);
if (ix + 4 > len) return(-ix);
if (((utf[ix+1] & 0xc0) != 0x80) ||
((utf[ix+2] & 0xc0) != 0x80) ||
((utf[ix+3] & 0xc0) != 0x80))

0
result/errors/754947.xml Normal file
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7
result/errors/754947.xml.err Normal file
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@ -0,0 +1,7 @@
./test/errors/754947.xml:1: parser error : Input is not proper UTF-8, indicate encoding !
Bytes: 0xEE 0x5D 0x5D 0x3E
<d><![CDATA[0000000000000î]]>
^
./test/errors/754947.xml:1: parser error : Premature end of data in tag d line 1
<d><![CDATA[0000000000000î]]>
^

5
result/errors/754947.xml.str Normal file
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@ -0,0 +1,5 @@
./test/errors/754947.xml:1: parser error : Input is not proper UTF-8, indicate encoding !
Bytes: 0xEE 0x5D 0x5D 0x3E
<d><![CDATA[0000000000000î]]>
^
./test/errors/754947.xml : failed to parse

4
result/errors/cdata.xml.str
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@ -1,5 +1,5 @@
./test/errors/cdata.xml:2: parser error : Input is not proper UTF-8, indicate encoding !
Bytes: 0x5B 0x43 0xE1 0x72
Bytes: 0xE1 0x72 0x5D 0x5D
<A><![CDATA[Cár]]></A>
^
^
./test/errors/cdata.xml : failed to parse

1
test/errors/754947.xml Normal file
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@ -0,0 +1 @@
<d><![CDATA[0000000000000î]]>