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fixed GH #2737: Bundles vulnerable copy of Expat — please upgrade to Expat 2.2.7

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This commit is contained in:
Günter Obiltschnig
2019-07-01 07:15:21 +02:00
parent 9a8ab0858f
commit 4c3351ea05
18 changed files with 1937 additions and 1524 deletions
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115
XML/src/xmltok_impl.c
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@@ -1,8 +1,35 @@
/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
See the file COPYING for copying permission.
/* This file is included!
__ __ _
___\ \/ /_ __ __ _| |_
/ _ \\ /| '_ \ / _` | __|
| __// \| |_) | (_| | |_
\___/_/\_\ .__/ \__,_|\__|
|_| XML parser
Copyright (c) 1997-2000 Thai Open Source Software Center Ltd
Copyright (c) 2000-2017 Expat development team
Licensed under the MIT license:
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to permit
persons to whom the Software is furnished to do so, subject to the
following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/* This file is included! */
#ifdef XML_TOK_IMPL_C
#ifndef IS_INVALID_CHAR
@@ -47,6 +74,7 @@
*nextTokPtr = ptr; \
return XML_TOK_INVALID; \
} \
/* fall through */ \
case BT_NMSTRT: \
case BT_HEX: \
case BT_DIGIT: \
@@ -75,6 +103,7 @@
*nextTokPtr = ptr; \
return XML_TOK_INVALID; \
} \
/* fall through */ \
case BT_NMSTRT: \
case BT_HEX: \
ptr += MINBPC(enc); \
@@ -575,7 +604,7 @@ PREFIX(scanAtts)(const ENCODING *enc, const char *ptr, const char *end,
return XML_TOK_INVALID;
}
}
/* fall through */
/* fall through */
case BT_EQUALS:
{
int open;
@@ -1415,6 +1444,7 @@ PREFIX(isPublicId)(const ENCODING *enc, const char *ptr, const char *end,
case BT_NMSTRT:
if (!(BYTE_TO_ASCII(enc, ptr) & ~0x7f))
break;
/* fall through */
default:
switch (BYTE_TO_ASCII(enc, ptr)) {
case 0x24: /* $ */
@@ -1626,87 +1656,14 @@ PREFIX(predefinedEntityName)(const ENCODING *UNUSED_P(enc), const char *ptr,
return 0;
}
/* This function does not appear to be called from anywhere within the
* library code. It is used via the macro XmlSameName(), which is
* defined but never used. Since it appears in the encoding function
* table, removing it is not a thing to be undertaken lightly. For
* the moment, we simply exclude it from coverage tests.
*
* LCOV_EXCL_START
*/
static int PTRCALL
PREFIX(sameName)(const ENCODING *enc, const char *ptr1, const char *ptr2)
{
for (;;) {
switch (BYTE_TYPE(enc, ptr1)) {
#define LEAD_CASE(n) \
case BT_LEAD ## n: \
if (*ptr1++ != *ptr2++) \
return 0;
LEAD_CASE(4) LEAD_CASE(3) LEAD_CASE(2)
#undef LEAD_CASE
/* fall through */
if (*ptr1++ != *ptr2++)
return 0;
break;
case BT_NONASCII:
case BT_NMSTRT:
#ifdef XML_NS
case BT_COLON:
#endif
case BT_HEX:
case BT_DIGIT:
case BT_NAME:
case BT_MINUS:
if (*ptr2++ != *ptr1++)
return 0;
if (MINBPC(enc) > 1) {
if (*ptr2++ != *ptr1++)
return 0;
if (MINBPC(enc) > 2) {
if (*ptr2++ != *ptr1++)
return 0;
if (MINBPC(enc) > 3) {
if (*ptr2++ != *ptr1++)
return 0;
}
}
}
break;
default:
if (MINBPC(enc) == 1 && *ptr1 == *ptr2)
return 1;
switch (BYTE_TYPE(enc, ptr2)) {
case BT_LEAD2:
case BT_LEAD3:
case BT_LEAD4:
case BT_NONASCII:
case BT_NMSTRT:
#ifdef XML_NS
case BT_COLON:
#endif
case BT_HEX:
case BT_DIGIT:
case BT_NAME:
case BT_MINUS:
return 0;
default:
return 1;
}
}
}
/* not reached */
}
/* LCOV_EXCL_STOP */
static int PTRCALL
PREFIX(nameMatchesAscii)(const ENCODING *UNUSED_P(enc), const char *ptr1,
const char *end1, const char *ptr2)
{
for (; *ptr2; ptr1 += MINBPC(enc), ptr2++) {
if (end1 - ptr1 < MINBPC(enc)) {
/* This line cannot be executed. THe incoming data has already
* been tokenized once, so imcomplete characters like this have
/* This line cannot be executed. The incoming data has already
* been tokenized once, so incomplete characters like this have
* already been eliminated from the input. Retaining the
* paranoia check is still valuable, however.
*/