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From 4a5d80aded1da94cd55294e7207109712201b75b Mon Sep 17 00:00:00 2001
From: Daniel Veillard <veillard@redhat.com>
Date: Fri, 18 Sep 2015 15:06:46 +0800
Subject: [PATCH] Fix a bug in CData error handling in the push parser
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
---
parser.c | 6 +++---
result/errors/754947.xml | 0
result/errors/754947.xml.err | 7 +++++++
result/errors/754947.xml.str | 5 +++++
result/errors/cdata.xml.str | 4 ++--
test/errors/754947.xml | 1 +
6 files changed, 18 insertions(+), 5 deletions(-)
create mode 100644 result/errors/754947.xml
create mode 100644 result/errors/754947.xml.err
create mode 100644 result/errors/754947.xml.str
create mode 100644 test/errors/754947.xml
diff --git a/parser.c b/parser.c
index fd29a39..f1724a9 100644
--- a/parser.c
+++ b/parser.c
@@ -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))
diff --git a/result/errors/754947.xml b/result/errors/754947.xml
new file mode 100644
index 0000000..e69de29
diff --git a/result/errors/754947.xml.err b/result/errors/754947.xml.err
new file mode 100644
index 0000000..f45cb5a
--- /dev/null
+++ b/result/errors/754947.xml.err
@@ -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[0000000000000�]]>
+ ^
+./test/errors/754947.xml:1: parser error : Premature end of data in tag d line 1
+<d><![CDATA[0000000000000�]]>
+ ^
diff --git a/result/errors/754947.xml.str b/result/errors/754947.xml.str
new file mode 100644
index 0000000..4d2f52e
--- /dev/null
+++ b/result/errors/754947.xml.str
@@ -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[0000000000000�]]>
+ ^
+./test/errors/754947.xml : failed to parse
diff --git a/result/errors/cdata.xml.str b/result/errors/cdata.xml.str
index e043441..cf83d2b 100644
--- a/result/errors/cdata.xml.str
+++ b/result/errors/cdata.xml.str
@@ -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[C�r]]></A>
- ^
+ ^
./test/errors/cdata.xml : failed to parse
diff --git a/test/errors/754947.xml b/test/errors/754947.xml
new file mode 100644
index 0000000..bd9997e
--- /dev/null
+++ b/test/errors/754947.xml
@@ -0,0 +1 @@
+<d><![CDATA[0000000000000�]]>
\ No newline at end of file
--
2.6.3
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