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void-packages/srcpkgs/expat/patches/CVE-2016-0718-4.patch
Christian Neukirchen cdc9dc4ec9 expat: fix CVE-2016-0718. 
Patches from NetBSD.
2016-05-18 13:35:15 +02:00

267 lines
8.3 KiB
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$NetBSD: patch-CVE-2016-0718-4,v 1.1 2016/05/17 19:15:01 drochner Exp $
--- lib/xmltok_impl.c.orig 2016-03-12 03:21:09.000000000 +0000
+++ lib/xmltok_impl.c
@@ -93,13 +93,13 @@ static int PTRCALL
PREFIX(scanComment)(const ENCODING *enc, const char *ptr,
const char *end, const char **nextTokPtr)
{
- if (ptr != end) {
+ if (ptr < end) {
if (!CHAR_MATCHES(enc, ptr, ASCII_MINUS)) {
*nextTokPtr = ptr;
return XML_TOK_INVALID;
}
ptr += MINBPC(enc);
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
INVALID_CASES(ptr, nextTokPtr)
case BT_MINUS:
@@ -147,7 +147,7 @@ PREFIX(scanDecl)(const ENCODING *enc, co
*nextTokPtr = ptr;
return XML_TOK_INVALID;
}
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
case BT_PERCNT:
if (ptr + MINBPC(enc) == end)
@@ -233,7 +233,7 @@ PREFIX(scanPi)(const ENCODING *enc, cons
*nextTokPtr = ptr;
return XML_TOK_INVALID;
}
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr)
case BT_S: case BT_CR: case BT_LF:
@@ -242,7 +242,7 @@ PREFIX(scanPi)(const ENCODING *enc, cons
return XML_TOK_INVALID;
}
ptr += MINBPC(enc);
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
INVALID_CASES(ptr, nextTokPtr)
case BT_QUEST:
@@ -305,7 +305,7 @@ static int PTRCALL
PREFIX(cdataSectionTok)(const ENCODING *enc, const char *ptr,
const char *end, const char **nextTokPtr)
{
- if (ptr == end)
+ if (ptr >= end)
return XML_TOK_NONE;
if (MINBPC(enc) > 1) {
size_t n = end - ptr;
@@ -348,7 +348,7 @@ PREFIX(cdataSectionTok)(const ENCODING *
ptr += MINBPC(enc);
break;
}
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
#define LEAD_CASE(n) \
case BT_LEAD ## n: \
@@ -391,11 +391,11 @@ PREFIX(scanEndTag)(const ENCODING *enc,
*nextTokPtr = ptr;
return XML_TOK_INVALID;
}
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr)
case BT_S: case BT_CR: case BT_LF:
- for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) {
+ for (ptr += MINBPC(enc); ptr < end; ptr += MINBPC(enc)) {
switch (BYTE_TYPE(enc, ptr)) {
case BT_S: case BT_CR: case BT_LF:
break;
@@ -432,7 +432,7 @@ static int PTRCALL
PREFIX(scanHexCharRef)(const ENCODING *enc, const char *ptr,
const char *end, const char **nextTokPtr)
{
- if (ptr != end) {
+ if (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
case BT_DIGIT:
case BT_HEX:
@@ -441,7 +441,7 @@ PREFIX(scanHexCharRef)(const ENCODING *e
*nextTokPtr = ptr;
return XML_TOK_INVALID;
}
- for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) {
+ for (ptr += MINBPC(enc); ptr < end; ptr += MINBPC(enc)) {
switch (BYTE_TYPE(enc, ptr)) {
case BT_DIGIT:
case BT_HEX:
@@ -464,7 +464,7 @@ static int PTRCALL
PREFIX(scanCharRef)(const ENCODING *enc, const char *ptr,
const char *end, const char **nextTokPtr)
{
- if (ptr != end) {
+ if (ptr < end) {
if (CHAR_MATCHES(enc, ptr, ASCII_x))
return PREFIX(scanHexCharRef)(enc, ptr + MINBPC(enc), end, nextTokPtr);
switch (BYTE_TYPE(enc, ptr)) {
@@ -474,7 +474,7 @@ PREFIX(scanCharRef)(const ENCODING *enc,
*nextTokPtr = ptr;
return XML_TOK_INVALID;
}
- for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) {
+ for (ptr += MINBPC(enc); ptr < end; ptr += MINBPC(enc)) {
switch (BYTE_TYPE(enc, ptr)) {
case BT_DIGIT:
break;
@@ -506,7 +506,7 @@ PREFIX(scanRef)(const ENCODING *enc, con
*nextTokPtr = ptr;
return XML_TOK_INVALID;
}
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr)
case BT_SEMI:
@@ -529,7 +529,7 @@ PREFIX(scanAtts)(const ENCODING *enc, co
#ifdef XML_NS
int hadColon = 0;
#endif
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr)
#ifdef XML_NS
@@ -716,7 +716,7 @@ PREFIX(scanLt)(const ENCODING *enc, cons
hadColon = 0;
#endif
/* we have a start-tag */
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr)
#ifdef XML_NS
@@ -740,7 +740,7 @@ PREFIX(scanLt)(const ENCODING *enc, cons
case BT_S: case BT_CR: case BT_LF:
{
ptr += MINBPC(enc);
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr)
case BT_GT:
@@ -785,7 +785,7 @@ static int PTRCALL
PREFIX(contentTok)(const ENCODING *enc, const char *ptr, const char *end,
const char **nextTokPtr)
{
- if (ptr == end)
+ if (ptr >= end)
return XML_TOK_NONE;
if (MINBPC(enc) > 1) {
size_t n = end - ptr;
@@ -832,7 +832,7 @@ PREFIX(contentTok)(const ENCODING *enc,
ptr += MINBPC(enc);
break;
}
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
#define LEAD_CASE(n) \
case BT_LEAD ## n: \
@@ -895,7 +895,7 @@ PREFIX(scanPercent)(const ENCODING *enc,
*nextTokPtr = ptr;
return XML_TOK_INVALID;
}
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr)
case BT_SEMI:
@@ -921,7 +921,7 @@ PREFIX(scanPoundName)(const ENCODING *en
*nextTokPtr = ptr;
return XML_TOK_INVALID;
}
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr)
case BT_CR: case BT_LF: case BT_S:
@@ -941,7 +941,7 @@ PREFIX(scanLit)(int open, const ENCODING
const char *ptr, const char *end,
const char **nextTokPtr)
{
- while (ptr != end) {
+ while (ptr < end) {
int t = BYTE_TYPE(enc, ptr);
switch (t) {
INVALID_CASES(ptr, nextTokPtr)
@@ -973,7 +973,7 @@ PREFIX(prologTok)(const ENCODING *enc, c
const char **nextTokPtr)
{
int tok;
- if (ptr == end)
+ if (ptr >= end)
return XML_TOK_NONE;
if (MINBPC(enc) > 1) {
size_t n = end - ptr;
@@ -1141,7 +1141,7 @@ PREFIX(prologTok)(const ENCODING *enc, c
*nextTokPtr = ptr;
return XML_TOK_INVALID;
}
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
CHECK_NAME_CASES(enc, ptr, end, nextTokPtr)
case BT_GT: case BT_RPAR: case BT_COMMA:
@@ -1204,10 +1204,10 @@ PREFIX(attributeValueTok)(const ENCODING
const char *end, const char **nextTokPtr)
{
const char *start;
- if (ptr == end)
+ if (ptr >= end)
return XML_TOK_NONE;
start = ptr;
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
#define LEAD_CASE(n) \
case BT_LEAD ## n: ptr += n; break;
@@ -1262,10 +1262,10 @@ PREFIX(entityValueTok)(const ENCODING *e
const char *end, const char **nextTokPtr)
{
const char *start;
- if (ptr == end)
+ if (ptr >= end)
return XML_TOK_NONE;
start = ptr;
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
#define LEAD_CASE(n) \
case BT_LEAD ## n: ptr += n; break;
@@ -1326,7 +1326,7 @@ PREFIX(ignoreSectionTok)(const ENCODING
end = ptr + n;
}
}
- while (ptr != end) {
+ while (ptr < end) {
switch (BYTE_TYPE(enc, ptr)) {
INVALID_CASES(ptr, nextTokPtr)
case BT_LT:
@@ -1373,7 +1373,7 @@ PREFIX(isPublicId)(const ENCODING *enc,
{
ptr += MINBPC(enc);
end -= MINBPC(enc);
- for (; ptr != end; ptr += MINBPC(enc)) {
+ for (; ptr < end; ptr += MINBPC(enc)) {
switch (BYTE_TYPE(enc, ptr)) {
case BT_DIGIT:
case BT_HEX:
@@ -1760,7 +1760,7 @@ PREFIX(updatePosition)(const ENCODING *e
case BT_CR:
pos->lineNumber++;
ptr += MINBPC(enc);
- if (ptr != end && BYTE_TYPE(enc, ptr) == BT_LF)
+ if (ptr < end && BYTE_TYPE(enc, ptr) == BT_LF)
ptr += MINBPC(enc);
pos->columnNumber = (XML_Size)-1;
break;
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