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authorGustavo Zacarias <gustavo@zacarias.com.ar>2012-05-31 01:00:32 (GMT)
committer Peter Korsgaard <jacmet@sunsite.dk>2012-06-12 21:40:43 (GMT)
commitdc0e7cfc3e4050ce7c0404b11f747bf1500c50b7 (patch)
treea5da414e13fb287d9b3a467340527a09b5c4dc30
parent5c959c117d9079432e6e03c249a6534cca4eb6eb (diff)
downloadbuildroot-dc0e7cfc3e4050ce7c0404b11f747bf1500c50b7.tar.gz
buildroot-dc0e7cfc3e4050ce7c0404b11f747bf1500c50b7.tar.bz2
libxml2: bump to version 2.8.0
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
-rw-r--r--package/libxml2/libxml2-0-allocation-error-copying-entities.patch21
-rw-r--r--package/libxml2/libxml2-1-reallocation-failures.patch101
-rw-r--r--package/libxml2/libxml2-2-hash-randomization.patch297
-rw-r--r--package/libxml2/libxml2-3-xpath-memory.patch29
-rw-r--r--package/libxml2/libxml2-4-xpath-freeing.patch32
-rw-r--r--package/libxml2/libxml2-5-xpath-freeing2.patch28
-rw-r--r--package/libxml2/libxml2-6-hardening-xpath.patch224
-rw-r--r--package/libxml2/libxml2-7-error-xpath.patch62
-rw-r--r--package/libxml2/libxml2.mk2
9 files changed, 1 insertions, 795 deletions
diff --git a/package/libxml2/libxml2-0-allocation-error-copying-entities.patch b/package/libxml2/libxml2-0-allocation-error-copying-entities.patch
deleted file mode 100644
index c0d9433..0000000
--- a/package/libxml2/libxml2-0-allocation-error-copying-entities.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-From 5bd3c061823a8499b27422aee04ea20aae24f03e Mon Sep 17 00:00:00 2001
-From: Daniel Veillard <veillard@redhat.com>
-Date: Fri, 16 Dec 2011 10:53:35 +0000
-Subject: Fix an allocation error when copying entities
-
----
-diff --git a/parser.c b/parser.c
-index 4e5dcb9..c55e41d 100644
---- a/parser.c
-+++ b/parser.c
-@@ -2709,7 +2709,7 @@ xmlStringLenDecodeEntities(xmlParserCtxtPtr ctxt, const xmlChar *str, int len,
-
- buffer[nbchars++] = '&';
- if (nbchars > buffer_size - i - XML_PARSER_BUFFER_SIZE) {
-- growBuffer(buffer, XML_PARSER_BUFFER_SIZE);
-+ growBuffer(buffer, i + XML_PARSER_BUFFER_SIZE);
- }
- for (;i > 0;i--)
- buffer[nbchars++] = *cur++;
---
-cgit v0.9.0.2
diff --git a/package/libxml2/libxml2-1-reallocation-failures.patch b/package/libxml2/libxml2-1-reallocation-failures.patch
deleted file mode 100644
index a18756c..0000000
--- a/package/libxml2/libxml2-1-reallocation-failures.patch
+++ /dev/null
@@ -1,101 +0,0 @@
-From d7958b21e7f8c447a26bb2436f08402b2c308be4 Mon Sep 17 00:00:00 2001
-From: Chris Evans <scarybeasts@gmail.com>
-Date: Wed, 23 Mar 2011 00:13:06 +0000
-Subject: Fix some potential problems on reallocation failures
-
-The count was incremented before the allocation
-and not fixed in case of failure
-* xpath.c: corrects a few instances where the available count of some
- structure is updated before we know the allocation actually
- succeeds
----
-diff --git a/xpath.c b/xpath.c
-index 8b56189..608fe00 100644
---- a/xpath.c
-+++ b/xpath.c
-@@ -3522,13 +3522,13 @@ xmlXPathNodeSetAddNs(xmlNodeSetPtr cur, xmlNodePtr node, xmlNsPtr ns) {
- } else if (cur->nodeNr == cur->nodeMax) {
- xmlNodePtr *temp;
-
-- cur->nodeMax *= 2;
-- temp = (xmlNodePtr *) xmlRealloc(cur->nodeTab, cur->nodeMax *
-+ temp = (xmlNodePtr *) xmlRealloc(cur->nodeTab, cur->nodeMax * 2 *
- sizeof(xmlNodePtr));
- if (temp == NULL) {
- xmlXPathErrMemory(NULL, "growing nodeset\n");
- return;
- }
-+ cur->nodeMax *= 2;
- cur->nodeTab = temp;
- }
- cur->nodeTab[cur->nodeNr++] = xmlXPathNodeSetDupNs(node, ns);
-@@ -3627,14 +3627,14 @@ xmlXPathNodeSetAddUnique(xmlNodeSetPtr cur, xmlNodePtr val) {
- } else if (cur->nodeNr == cur->nodeMax) {
- xmlNodePtr *temp;
-
-- cur->nodeMax *= 2;
-- temp = (xmlNodePtr *) xmlRealloc(cur->nodeTab, cur->nodeMax *
-+ temp = (xmlNodePtr *) xmlRealloc(cur->nodeTab, cur->nodeMax * 2 *
- sizeof(xmlNodePtr));
- if (temp == NULL) {
- xmlXPathErrMemory(NULL, "growing nodeset\n");
- return;
- }
- cur->nodeTab = temp;
-+ cur->nodeMax *= 2;
- }
- if (val->type == XML_NAMESPACE_DECL) {
- xmlNsPtr ns = (xmlNsPtr) val;
-@@ -3738,14 +3738,14 @@ xmlXPathNodeSetMerge(xmlNodeSetPtr val1, xmlNodeSetPtr val2) {
- } else if (val1->nodeNr == val1->nodeMax) {
- xmlNodePtr *temp;
-
-- val1->nodeMax *= 2;
-- temp = (xmlNodePtr *) xmlRealloc(val1->nodeTab, val1->nodeMax *
-+ temp = (xmlNodePtr *) xmlRealloc(val1->nodeTab, val1->nodeMax * 2 *
- sizeof(xmlNodePtr));
- if (temp == NULL) {
- xmlXPathErrMemory(NULL, "merging nodeset\n");
- return(NULL);
- }
- val1->nodeTab = temp;
-+ val1->nodeMax *= 2;
- }
- if (n2->type == XML_NAMESPACE_DECL) {
- xmlNsPtr ns = (xmlNsPtr) n2;
-@@ -3907,14 +3907,14 @@ xmlXPathNodeSetMergeAndClear(xmlNodeSetPtr set1, xmlNodeSetPtr set2,
- } else if (set1->nodeNr >= set1->nodeMax) {
- xmlNodePtr *temp;
-
-- set1->nodeMax *= 2;
- temp = (xmlNodePtr *) xmlRealloc(
-- set1->nodeTab, set1->nodeMax * sizeof(xmlNodePtr));
-+ set1->nodeTab, set1->nodeMax * 2 * sizeof(xmlNodePtr));
- if (temp == NULL) {
- xmlXPathErrMemory(NULL, "merging nodeset\n");
- return(NULL);
- }
- set1->nodeTab = temp;
-+ set1->nodeMax *= 2;
- }
- if (n2->type == XML_NAMESPACE_DECL) {
- xmlNsPtr ns = (xmlNsPtr) n2;
-@@ -3991,14 +3991,14 @@ xmlXPathNodeSetMergeAndClearNoDupls(xmlNodeSetPtr set1, xmlNodeSetPtr set2,
- } else if (set1->nodeNr >= set1->nodeMax) {
- xmlNodePtr *temp;
-
-- set1->nodeMax *= 2;
- temp = (xmlNodePtr *) xmlRealloc(
-- set1->nodeTab, set1->nodeMax * sizeof(xmlNodePtr));
-+ set1->nodeTab, set1->nodeMax * 2 * sizeof(xmlNodePtr));
- if (temp == NULL) {
- xmlXPathErrMemory(NULL, "merging nodeset\n");
- return(NULL);
- }
- set1->nodeTab = temp;
-+ set1->nodeMax *= 2;
- }
- set1->nodeTab[set1->nodeNr++] = n2;
- }
---
-cgit v0.9
diff --git a/package/libxml2/libxml2-2-hash-randomization.patch b/package/libxml2/libxml2-2-hash-randomization.patch
deleted file mode 100644
index 47db59d..0000000
--- a/package/libxml2/libxml2-2-hash-randomization.patch
+++ /dev/null
@@ -1,297 +0,0 @@
-From 8973d58b7498fa5100a876815476b81fd1a2412a Mon Sep 17 00:00:00 2001
-From: Daniel Veillard <veillard@redhat.com>
-Date: Sat, 4 Feb 2012 19:07:44 +0800
-Subject: [PATCH] Add hash randomization to hash and dict structures
-
-Following http://www.ocert.org/advisories/ocert-2011-003.html
-it seems that having hash randomization might be a good idea
-when using XML with untrusted data
-* configure.in: lookup for rand, srand and time
-* dict.c: add randomization to dictionaries hash tables
-* hash.c: add randomization to normal hash tables
----
- configure.in | 1 +
- dict.c | 81 ++++++++++++++++++++++++++++++++++++++++-----------------
- hash.c | 38 ++++++++++++++++++++++++++-
- 3 files changed, 95 insertions(+), 25 deletions(-)
-
-diff --git a/configure.in b/configure.in
-index fa80375..828b66a 100644
---- a/configure.in
-+++ b/configure.in
-@@ -512,6 +512,7 @@ AC_CHECK_FUNCS(strdup strndup strerror)
- AC_CHECK_FUNCS(finite isnand fp_class class fpclass)
- AC_CHECK_FUNCS(strftime localtime gettimeofday ftime)
- AC_CHECK_FUNCS(stat _stat signal)
-+AC_CHECK_FUNCS(rand srand time)
-
- dnl Checking the standard string functions availability
- AC_CHECK_FUNCS(printf sprintf fprintf snprintf vfprintf vsprintf vsnprintf sscanf,,
-diff --git a/dict.c b/dict.c
-index 3eff231..ae4966b 100644
---- a/dict.c
-+++ b/dict.c
-@@ -2,7 +2,7 @@
- * dict.c: dictionary of reusable strings, just used to avoid allocation
- * and freeing operations.
- *
-- * Copyright (C) 2003 Daniel Veillard.
-+ * Copyright (C) 2003-2012 Daniel Veillard.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
-@@ -19,6 +19,28 @@
- #define IN_LIBXML
- #include "libxml.h"
-
-+#ifdef HAVE_STDLIB_H
-+#include <stdlib.h>
-+#endif
-+#ifdef HAVE_TIME_H
-+#include <time.h>
-+#endif
-+
-+/*
-+ * Following http://www.ocert.org/advisories/ocert-2011-003.html
-+ * it seems that having hash randomization might be a good idea
-+ * when using XML with untrusted data
-+ * Note1: that it works correctly only if compiled with WITH_BIG_KEY
-+ * which is the default.
-+ * Note2: the fast function used for a small dict won't protect very
-+ * well but since the attack is based on growing a very big hash
-+ * list we will use the BigKey algo as soon as the hash size grows
-+ * over MIN_DICT_SIZE so this actually works
-+ */
-+#if defined(HAVE_RAND) && defined(HAVE_SRAND) && defined(HAVE_TIME)
-+#define DICT_RANDOMIZATION
-+#endif
-+
- #include <string.h>
- #ifdef HAVE_STDINT_H
- #include <stdint.h>
-@@ -44,23 +66,23 @@ typedef unsigned __int32 uint32_t;
- #define WITH_BIG_KEY
-
- #ifdef WITH_BIG_KEY
--#define xmlDictComputeKey(dict, name, len) \
-- (((dict)->size == MIN_DICT_SIZE) ? \
-- xmlDictComputeFastKey(name, len) : \
-- xmlDictComputeBigKey(name, len))
--
--#define xmlDictComputeQKey(dict, prefix, plen, name, len) \
-- (((prefix) == NULL) ? \
-- (xmlDictComputeKey(dict, name, len)) : \
-- (((dict)->size == MIN_DICT_SIZE) ? \
-- xmlDictComputeFastQKey(prefix, plen, name, len) : \
-- xmlDictComputeBigQKey(prefix, plen, name, len)))
-+#define xmlDictComputeKey(dict, name, len) \
-+ (((dict)->size == MIN_DICT_SIZE) ? \
-+ xmlDictComputeFastKey(name, len, (dict)->seed) : \
-+ xmlDictComputeBigKey(name, len, (dict)->seed))
-+
-+#define xmlDictComputeQKey(dict, prefix, plen, name, len) \
-+ (((prefix) == NULL) ? \
-+ (xmlDictComputeKey(dict, name, len)) : \
-+ (((dict)->size == MIN_DICT_SIZE) ? \
-+ xmlDictComputeFastQKey(prefix, plen, name, len, (dict)->seed) : \
-+ xmlDictComputeBigQKey(prefix, plen, name, len, (dict)->seed)))
-
- #else /* !WITH_BIG_KEY */
--#define xmlDictComputeKey(dict, name, len) \
-- xmlDictComputeFastKey(name, len)
--#define xmlDictComputeQKey(dict, prefix, plen, name, len) \
-- xmlDictComputeFastQKey(prefix, plen, name, len)
-+#define xmlDictComputeKey(dict, name, len) \
-+ xmlDictComputeFastKey(name, len, (dict)->seed)
-+#define xmlDictComputeQKey(dict, prefix, plen, name, len) \
-+ xmlDictComputeFastQKey(prefix, plen, name, len, (dict)->seed)
- #endif /* WITH_BIG_KEY */
-
- /*
-@@ -98,6 +120,8 @@ struct _xmlDict {
- xmlDictStringsPtr strings;
-
- struct _xmlDict *subdict;
-+ /* used for randomization */
-+ int seed;
- };
-
- /*
-@@ -125,6 +149,9 @@ static int xmlInitializeDict(void) {
- if ((xmlDictMutex = xmlNewRMutex()) == NULL)
- return(0);
-
-+#ifdef DICT_RANDOMIZATION
-+ srand(time(NULL));
-+#endif
- xmlDictInitialized = 1;
- return(1);
- }
-@@ -277,13 +304,13 @@ found_pool:
- */
-
- static uint32_t
--xmlDictComputeBigKey(const xmlChar* data, int namelen) {
-+xmlDictComputeBigKey(const xmlChar* data, int namelen, int seed) {
- uint32_t hash;
- int i;
-
- if (namelen <= 0 || data == NULL) return(0);
-
-- hash = 0;
-+ hash = seed;
-
- for (i = 0;i < namelen; i++) {
- hash += data[i];
-@@ -310,12 +337,12 @@ xmlDictComputeBigKey(const xmlChar* data, int namelen) {
- */
- static unsigned long
- xmlDictComputeBigQKey(const xmlChar *prefix, int plen,
-- const xmlChar *name, int len)
-+ const xmlChar *name, int len, int seed)
- {
- uint32_t hash;
- int i;
-
-- hash = 0;
-+ hash = seed;
-
- for (i = 0;i < plen; i++) {
- hash += prefix[i];
-@@ -346,8 +373,8 @@ xmlDictComputeBigQKey(const xmlChar *prefix, int plen,
- * for low hash table fill.
- */
- static unsigned long
--xmlDictComputeFastKey(const xmlChar *name, int namelen) {
-- unsigned long value = 0L;
-+xmlDictComputeFastKey(const xmlChar *name, int namelen, int seed) {
-+ unsigned long value = seed;
-
- if (name == NULL) return(0);
- value = *name;
-@@ -381,9 +408,9 @@ xmlDictComputeFastKey(const xmlChar *name, int namelen) {
- */
- static unsigned long
- xmlDictComputeFastQKey(const xmlChar *prefix, int plen,
-- const xmlChar *name, int len)
-+ const xmlChar *name, int len, int seed)
- {
-- unsigned long value = 0L;
-+ unsigned long value = (unsigned long) seed;
-
- if (plen == 0)
- value += 30 * (unsigned long) ':';
-@@ -460,6 +487,11 @@ xmlDictCreate(void) {
- dict->subdict = NULL;
- if (dict->dict) {
- memset(dict->dict, 0, MIN_DICT_SIZE * sizeof(xmlDictEntry));
-+#ifdef DICT_RANDOMIZATION
-+ dict->seed = rand();
-+#else
-+ dict->seed = 0;
-+#endif
- return(dict);
- }
- xmlFree(dict);
-@@ -486,6 +518,7 @@ xmlDictCreateSub(xmlDictPtr sub) {
- #ifdef DICT_DEBUG_PATTERNS
- fprintf(stderr, "R");
- #endif
-+ dict->seed = sub->seed;
- dict->subdict = sub;
- xmlDictReference(dict->subdict);
- }
-diff --git a/hash.c b/hash.c
-index b78bc2d..fe1424f 100644
---- a/hash.c
-+++ b/hash.c
-@@ -3,7 +3,7 @@
- *
- * Reference: Your favorite introductory book on algorithms
- *
-- * Copyright (C) 2000 Bjorn Reese and Daniel Veillard.
-+ * Copyright (C) 2000,2012 Bjorn Reese and Daniel Veillard.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
-@@ -21,6 +21,22 @@
- #include "libxml.h"
-
- #include <string.h>
-+#ifdef HAVE_STDLIB_H
-+#include <stdlib.h>
-+#endif
-+#ifdef HAVE_TIME_H
-+#include <time.h>
-+#endif
-+
-+/*
-+ * Following http://www.ocert.org/advisories/ocert-2011-003.html
-+ * it seems that having hash randomization might be a good idea
-+ * when using XML with untrusted data
-+ */
-+#if defined(HAVE_RAND) && defined(HAVE_SRAND) && defined(HAVE_TIME)
-+#define HASH_RANDOMIZATION
-+#endif
-+
- #include <libxml/parser.h>
- #include <libxml/hash.h>
- #include <libxml/xmlmemory.h>
-@@ -31,6 +47,10 @@
-
- /* #define DEBUG_GROW */
-
-+#ifdef HASH_RANDOMIZATION
-+static int hash_initialized = 0;
-+#endif
-+
- /*
- * A single entry in the hash table
- */
-@@ -53,6 +73,9 @@ struct _xmlHashTable {
- int size;
- int nbElems;
- xmlDictPtr dict;
-+#ifdef HASH_RANDOMIZATION
-+ int random_seed;
-+#endif
- };
-
- /*
-@@ -65,6 +88,9 @@ xmlHashComputeKey(xmlHashTablePtr table, const xmlChar *name,
- unsigned long value = 0L;
- char ch;
-
-+#ifdef HASH_RANDOMIZATION
-+ value = table->random_seed;
-+#endif
- if (name != NULL) {
- value += 30 * (*name);
- while ((ch = *name++) != 0) {
-@@ -92,6 +118,9 @@ xmlHashComputeQKey(xmlHashTablePtr table,
- unsigned long value = 0L;
- char ch;
-
-+#ifdef HASH_RANDOMIZATION
-+ value = table->random_seed;
-+#endif
- if (prefix != NULL)
- value += 30 * (*prefix);
- else
-@@ -156,6 +185,13 @@ xmlHashCreate(int size) {
- table->table = xmlMalloc(size * sizeof(xmlHashEntry));
- if (table->table) {
- memset(table->table, 0, size * sizeof(xmlHashEntry));
-+#ifdef HASH_RANDOMIZATION
-+ if (!hash_initialized) {
-+ srand(time(NULL));
-+ hash_initialized = 1;
-+ }
-+ table->random_seed = rand();
-+#endif
- return(table);
- }
- xmlFree(table);
---
-1.7.8.4
-
diff --git a/package/libxml2/libxml2-3-xpath-memory.patch b/package/libxml2/libxml2-3-xpath-memory.patch
deleted file mode 100644
index f94350d..0000000
--- a/package/libxml2/libxml2-3-xpath-memory.patch
+++ /dev/null
@@ -1,29 +0,0 @@
-From 0cbeb50ee03ce582a0c979c70d8fbf030e270c37 Mon Sep 17 00:00:00 2001
-From: Daniel Veillard <veillard@redhat.com>
-Date: Mon, 15 Nov 2010 11:06:29 +0000
-Subject: Fix a potential memory access error
-
-in case of a previus allocation error
----
-diff --git a/xpath.c b/xpath.c
-index 4d6826d..81e33f6 100644
---- a/xpath.c
-+++ b/xpath.c
-@@ -3575,13 +3575,13 @@ xmlXPathNodeSetAdd(xmlNodeSetPtr cur, xmlNodePtr val) {
- } else if (cur->nodeNr == cur->nodeMax) {
- xmlNodePtr *temp;
-
-- cur->nodeMax *= 2;
-- temp = (xmlNodePtr *) xmlRealloc(cur->nodeTab, cur->nodeMax *
-+ temp = (xmlNodePtr *) xmlRealloc(cur->nodeTab, cur->nodeMax * 2 *
- sizeof(xmlNodePtr));
- if (temp == NULL) {
- xmlXPathErrMemory(NULL, "growing nodeset\n");
- return;
- }
-+ cur->nodeMax *= 2;
- cur->nodeTab = temp;
- }
- if (val->type == XML_NAMESPACE_DECL) {
---
-cgit v0.8.3.1
diff --git a/package/libxml2/libxml2-4-xpath-freeing.patch b/package/libxml2/libxml2-4-xpath-freeing.patch
deleted file mode 100644
index 3509a48..0000000
--- a/package/libxml2/libxml2-4-xpath-freeing.patch
+++ /dev/null
@@ -1,32 +0,0 @@
-From df83c17e5a2646bd923f75e5e507bc80d73c9722 Mon Sep 17 00:00:00 2001
-From: Daniel Veillard <veillard@redhat.com>
-Date: Wed, 17 Nov 2010 13:12:14 +0000
-Subject: Fix a potential freeing error in XPath
-
----
-diff --git a/xpath.c b/xpath.c
-index 81e33f6..1447be5 100644
---- a/xpath.c
-+++ b/xpath.c
-@@ -11763,11 +11763,15 @@ xmlXPathCompOpEvalPositionalPredicate(xmlXPathParserContextPtr ctxt,
-
- if ((ctxt->error != XPATH_EXPRESSION_OK) || (res == -1)) {
- xmlXPathObjectPtr tmp;
-- /* pop the result */
-+ /* pop the result if any */
- tmp = valuePop(ctxt);
-- xmlXPathReleaseObject(xpctxt, tmp);
-- /* then pop off contextObj, which will be freed later */
-- valuePop(ctxt);
-+ if (tmp != contextObj)
-+ /*
-+ * Free up the result
-+ * then pop off contextObj, which will be freed later
-+ */
-+ xmlXPathReleaseObject(xpctxt, tmp);
-+ valuePop(ctxt);
- goto evaluation_error;
- }
-
---
-cgit v0.8.3.1
diff --git a/package/libxml2/libxml2-5-xpath-freeing2.patch b/package/libxml2/libxml2-5-xpath-freeing2.patch
deleted file mode 100644
index 1705941..0000000
--- a/package/libxml2/libxml2-5-xpath-freeing2.patch
+++ /dev/null
@@ -1,28 +0,0 @@
-From fec31bcd452e77c10579467ca87a785b41115de6 Mon Sep 17 00:00:00 2001
-From: Daniel Veillard <veillard@redhat.com>
-Date: Thu, 18 Nov 2010 10:07:24 +0000
-Subject: Small fix for previous commit
-
----
-diff --git a/xpath.c b/xpath.c
-index 1447be5..8b56189 100644
---- a/xpath.c
-+++ b/xpath.c
-@@ -11765,13 +11765,14 @@ xmlXPathCompOpEvalPositionalPredicate(xmlXPathParserContextPtr ctxt,
- xmlXPathObjectPtr tmp;
- /* pop the result if any */
- tmp = valuePop(ctxt);
-- if (tmp != contextObj)
-+ if (tmp != contextObj) {
- /*
- * Free up the result
- * then pop off contextObj, which will be freed later
- */
- xmlXPathReleaseObject(xpctxt, tmp);
- valuePop(ctxt);
-+ }
- goto evaluation_error;
- }
-
---
-cgit v0.8.3.1
diff --git a/package/libxml2/libxml2-6-hardening-xpath.patch b/package/libxml2/libxml2-6-hardening-xpath.patch
deleted file mode 100644
index 8e699ec..0000000
--- a/package/libxml2/libxml2-6-hardening-xpath.patch
+++ /dev/null
@@ -1,224 +0,0 @@
-From f5048b3e71fc30ad096970b8df6e7af073bae4cb Mon Sep 17 00:00:00 2001
-From: Daniel Veillard <veillard@redhat.com>
-Date: Thu, 18 Aug 2011 09:10:13 +0000
-Subject: Hardening of XPath evaluation
-
-Add a mechanism of frame for XPath evaluation when entering a function
-or a scoped evaluation, also fix a potential problem in predicate
-evaluation.
----
-diff --git a/include/libxml/xpath.h b/include/libxml/xpath.h
-index 1a9e30e..ddd9dd8 100644
---- a/include/libxml/xpath.h
-+++ b/include/libxml/xpath.h
-@@ -68,7 +68,8 @@ typedef enum {
- XPATH_UNDEF_PREFIX_ERROR,
- XPATH_ENCODING_ERROR,
- XPATH_INVALID_CHAR_ERROR,
-- XPATH_INVALID_CTXT
-+ XPATH_INVALID_CTXT,
-+ XPATH_STACK_ERROR
- } xmlXPathError;
-
- /*
-@@ -380,6 +381,8 @@ struct _xmlXPathParserContext {
- xmlXPathCompExprPtr comp; /* the precompiled expression */
- int xptr; /* it this an XPointer expression */
- xmlNodePtr ancestor; /* used for walking preceding axis */
-+
-+ int valueFrame; /* used to limit Pop on the stack */
- };
-
- /************************************************************************
-diff --git a/xpath.c b/xpath.c
-index b59ac5a..bcee2ea 100644
---- a/xpath.c
-+++ b/xpath.c
-@@ -252,6 +252,7 @@ static const char *xmlXPathErrorMessages[] = {
- "Encoding error\n",
- "Char out of XML range\n",
- "Invalid or incomplete context\n",
-+ "Stack usage errror\n",
- "?? Unknown error ??\n" /* Must be last in the list! */
- };
- #define MAXERRNO ((int)(sizeof(xmlXPathErrorMessages) / \
-@@ -2398,6 +2399,42 @@ xmlXPathCacheConvertNumber(xmlXPathContextPtr ctxt, xmlXPathObjectPtr val) {
- ************************************************************************/
-
- /**
-+ * xmlXPathSetFrame:
-+ * @ctxt: an XPath parser context
-+ *
-+ * Set the callee evaluation frame
-+ *
-+ * Returns the previous frame value to be restored once done
-+ */
-+static int
-+xmlXPathSetFrame(xmlXPathParserContextPtr ctxt) {
-+ int ret;
-+
-+ if (ctxt == NULL)
-+ return(0);
-+ ret = ctxt->valueFrame;
-+ ctxt->valueFrame = ctxt->valueNr;
-+ return(ret);
-+}
-+
-+/**
-+ * xmlXPathPopFrame:
-+ * @ctxt: an XPath parser context
-+ * @frame: the previous frame value
-+ *
-+ * Remove the callee evaluation frame
-+ */
-+static void
-+xmlXPathPopFrame(xmlXPathParserContextPtr ctxt, int frame) {
-+ if (ctxt == NULL)
-+ return;
-+ if (ctxt->valueNr < ctxt->valueFrame) {
-+ xmlXPatherror(ctxt, __FILE__, __LINE__, XPATH_STACK_ERROR);
-+ }
-+ ctxt->valueFrame = frame;
-+}
-+
-+/**
- * valuePop:
- * @ctxt: an XPath evaluation context
- *
-@@ -2412,6 +2449,12 @@ valuePop(xmlXPathParserContextPtr ctxt)
-
- if ((ctxt == NULL) || (ctxt->valueNr <= 0))
- return (NULL);
-+
-+ if (ctxt->valueNr <= ctxt->valueFrame) {
-+ xmlXPatherror(ctxt, __FILE__, __LINE__, XPATH_STACK_ERROR);
-+ return (NULL);
-+ }
-+
- ctxt->valueNr--;
- if (ctxt->valueNr > 0)
- ctxt->value = ctxt->valueTab[ctxt->valueNr - 1];
-@@ -6154,6 +6197,7 @@ xmlXPathCompParserContext(xmlXPathCompExprPtr comp, xmlXPathContextPtr ctxt) {
- ret->valueNr = 0;
- ret->valueMax = 10;
- ret->value = NULL;
-+ ret->valueFrame = 0;
-
- ret->context = ctxt;
- ret->comp = comp;
-@@ -11711,6 +11755,7 @@ xmlXPathCompOpEvalPositionalPredicate(xmlXPathParserContextPtr ctxt,
- xmlXPathObjectPtr contextObj = NULL, exprRes = NULL;
- xmlNodePtr oldContextNode, contextNode = NULL;
- xmlXPathContextPtr xpctxt = ctxt->context;
-+ int frame;
-
- #ifdef LIBXML_XPTR_ENABLED
- /*
-@@ -11730,6 +11775,8 @@ xmlXPathCompOpEvalPositionalPredicate(xmlXPathParserContextPtr ctxt,
- */
- exprOp = &ctxt->comp->steps[op->ch2];
- for (i = 0; i < set->nodeNr; i++) {
-+ xmlXPathObjectPtr tmp;
-+
- if (set->nodeTab[i] == NULL)
- continue;
-
-@@ -11757,23 +11804,25 @@ xmlXPathCompOpEvalPositionalPredicate(xmlXPathParserContextPtr ctxt,
- xmlXPathNodeSetAddUnique(contextObj->nodesetval,
- contextNode);
-
-+ frame = xmlXPathSetFrame(ctxt);
- valuePush(ctxt, contextObj);
- res = xmlXPathCompOpEvalToBoolean(ctxt, exprOp, 1);
-+ tmp = valuePop(ctxt);
-+ xmlXPathPopFrame(ctxt, frame);
-
- if ((ctxt->error != XPATH_EXPRESSION_OK) || (res == -1)) {
-- xmlXPathObjectPtr tmp;
-- /* pop the result if any */
-- tmp = valuePop(ctxt);
-- if (tmp != contextObj) {
-+ while (tmp != contextObj) {
- /*
- * Free up the result
- * then pop off contextObj, which will be freed later
- */
- xmlXPathReleaseObject(xpctxt, tmp);
-- valuePop(ctxt);
-+ tmp = valuePop(ctxt);
- }
- goto evaluation_error;
- }
-+ /* push the result back onto the stack */
-+ valuePush(ctxt, tmp);
-
- if (res)
- pos++;
-@@ -13377,7 +13426,9 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
- xmlXPathFunction func;
- const xmlChar *oldFunc, *oldFuncURI;
- int i;
-+ int frame;
-
-+ frame = xmlXPathSetFrame(ctxt);
- if (op->ch1 != -1)
- total +=
- xmlXPathCompOpEval(ctxt, &comp->steps[op->ch1]);
-@@ -13385,15 +13436,18 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
- xmlGenericError(xmlGenericErrorContext,
- "xmlXPathCompOpEval: parameter error\n");
- ctxt->error = XPATH_INVALID_OPERAND;
-+ xmlXPathPopFrame(ctxt, frame);
- return (total);
- }
-- for (i = 0; i < op->value; i++)
-+ for (i = 0; i < op->value; i++) {
- if (ctxt->valueTab[(ctxt->valueNr - 1) - i] == NULL) {
- xmlGenericError(xmlGenericErrorContext,
- "xmlXPathCompOpEval: parameter error\n");
- ctxt->error = XPATH_INVALID_OPERAND;
-+ xmlXPathPopFrame(ctxt, frame);
- return (total);
- }
-+ }
- if (op->cache != NULL)
- XML_CAST_FPTR(func) = op->cache;
- else {
-@@ -13409,6 +13463,7 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
- xmlGenericError(xmlGenericErrorContext,
- "xmlXPathCompOpEval: function %s bound to undefined prefix %s\n",
- (char *)op->value4, (char *)op->value5);
-+ xmlXPathPopFrame(ctxt, frame);
- return (total);
- }
- func = xmlXPathFunctionLookupNS(ctxt->context,
-@@ -13430,6 +13485,7 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
- func(ctxt, op->value);
- ctxt->context->function = oldFunc;
- ctxt->context->functionURI = oldFuncURI;
-+ xmlXPathPopFrame(ctxt, frame);
- return (total);
- }
- case XPATH_OP_ARG:
-@@ -14333,6 +14389,7 @@ xmlXPathRunEval(xmlXPathParserContextPtr ctxt, int toBool)
- ctxt->valueNr = 0;
- ctxt->valueMax = 10;
- ctxt->value = NULL;
-+ ctxt->valueFrame = 0;
- }
- #ifdef XPATH_STREAMING
- if (ctxt->comp->stream) {
-diff --git a/xpointer.c b/xpointer.c
-index 7a42d02..37afa3a 100644
---- a/xpointer.c
-+++ b/xpointer.c
-@@ -1269,6 +1269,7 @@ xmlXPtrEvalXPointer(xmlXPathParserContextPtr ctxt) {
- ctxt->valueNr = 0;
- ctxt->valueMax = 10;
- ctxt->value = NULL;
-+ ctxt->valueFrame = 0;
- }
- SKIP_BLANKS;
- if (CUR == '/') {
---
-cgit v0.9.0.2
diff --git a/package/libxml2/libxml2-7-error-xpath.patch b/package/libxml2/libxml2-7-error-xpath.patch
deleted file mode 100644
index a12a050..0000000
--- a/package/libxml2/libxml2-7-error-xpath.patch
+++ /dev/null
@@ -1,62 +0,0 @@
-From 1d4526f6f4ec8d18c40e2a09b387652a6c1aa2cd Mon Sep 17 00:00:00 2001
-From: Daniel Veillard <veillard@redhat.com>
-Date: Tue, 11 Oct 2011 08:34:34 +0000
-Subject: Fix missing error status in XPath evaluation
-
-Started by Chris Evans, I added a few more place where the
-error should have been set in the evaluation context.
----
-diff --git a/xpath.c b/xpath.c
-index bcee2ea..d9d902c 100644
---- a/xpath.c
-+++ b/xpath.c
-@@ -2485,6 +2485,7 @@ valuePush(xmlXPathParserContextPtr ctxt, xmlXPathObjectPtr value)
- sizeof(ctxt->valueTab[0]));
- if (tmp == NULL) {
- xmlGenericError(xmlGenericErrorContext, "realloc failed !\n");
-+ ctxt->error = XPATH_MEMORY_ERROR;
- return (0);
- }
- ctxt->valueMax *= 2;
-@@ -9340,6 +9341,7 @@ xmlXPathTranslateFunction(xmlXPathParserContextPtr ctxt, int nargs) {
- if ( (ch & 0xc0) != 0xc0 ) {
- xmlGenericError(xmlGenericErrorContext,
- "xmlXPathTranslateFunction: Invalid UTF8 string\n");
-+ /* not asserting an XPath error is probably better */
- break;
- }
- /* then skip over remaining bytes for this char */
-@@ -9347,6 +9349,7 @@ xmlXPathTranslateFunction(xmlXPathParserContextPtr ctxt, int nargs) {
- if ( (*cptr++ & 0xc0) != 0x80 ) {
- xmlGenericError(xmlGenericErrorContext,
- "xmlXPathTranslateFunction: Invalid UTF8 string\n");
-+ /* not asserting an XPath error is probably better */
- break;
- }
- if (ch & 0x80) /* must have had error encountered */
-@@ -13410,6 +13413,7 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
- xmlGenericError(xmlGenericErrorContext,
- "xmlXPathCompOpEval: variable %s bound to undefined prefix %s\n",
- (char *) op->value4, (char *)op->value5);
-+ ctxt->error = XPATH_UNDEF_PREFIX_ERROR;
- return (total);
- }
- val = xmlXPathVariableLookupNS(ctxt->context,
-@@ -13464,6 +13468,7 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
- "xmlXPathCompOpEval: function %s bound to undefined prefix %s\n",
- (char *)op->value4, (char *)op->value5);
- xmlXPathPopFrame(ctxt, frame);
-+ ctxt->error = XPATH_UNDEF_PREFIX_ERROR;
- return (total);
- }
- func = xmlXPathFunctionLookupNS(ctxt->context,
-@@ -14042,6 +14047,7 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
- }
- xmlGenericError(xmlGenericErrorContext,
- "XPath: unknown precompiled operation %d\n", op->op);
-+ ctxt->error = XPATH_INVALID_OPERAND;
- return (total);
- }
-
---
-cgit v0.9.0.2
diff --git a/package/libxml2/libxml2.mk b/package/libxml2/libxml2.mk
index 54ad123..bbdd5de 100644
--- a/package/libxml2/libxml2.mk
+++ b/package/libxml2/libxml2.mk
@@ -4,7 +4,7 @@
#
#############################################################
-LIBXML2_VERSION = 2.7.8
+LIBXML2_VERSION = 2.8.0
LIBXML2_SITE = ftp://xmlsoft.org/libxml2
LIBXML2_INSTALL_STAGING = YES
LIBXML2_AUTORECONF = YES