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-rw-r--r--print/xpdf/patches/patch-at101
1 files changed, 0 insertions, 101 deletions
diff --git a/print/xpdf/patches/patch-at b/print/xpdf/patches/patch-at
deleted file mode 100644
index abe8cbdd061..00000000000
--- a/print/xpdf/patches/patch-at
+++ /dev/null
@@ -1,101 +0,0 @@
-$NetBSD: patch-at,v 1.2 2006/01/22 23:13:33 tron Exp $
-
---- xpdf/Stream.cc.orig 2006-01-22 23:03:34.000000000 +0000
-+++ xpdf/Stream.cc 2006-01-22 23:03:00.000000000 +0000
-@@ -15,6 +15,7 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <stddef.h>
-+#include <limits.h>
- #ifndef WIN32
- #include <unistd.h>
- #endif
-@@ -401,8 +402,6 @@
-
- StreamPredictor::StreamPredictor(Stream *strA, int predictorA,
- int widthA, int nCompsA, int nBitsA) {
-- int totalBits;
--
- str = strA;
- predictor = predictorA;
- width = widthA;
-@@ -411,15 +410,17 @@
- predLine = NULL;
- ok = gFalse;
-
-+ if (width <= 0 || nComps <= 0 || nBits <= 0 ||
-+ nComps >= INT_MAX/nBits ||
-+ width >= INT_MAX/nComps/nBits) {
-+ return;
-+ }
- nVals = width * nComps;
-- totalBits = nVals * nBits;
-- if (totalBits == 0 ||
-- (totalBits / nBits) / nComps != width ||
-- totalBits + 7 < 0) {
-+ if (nVals * nBits + 7 <= 0) {
- return;
- }
- pixBytes = (nComps * nBits + 7) >> 3;
-- rowBytes = ((totalBits + 7) >> 3) + pixBytes;
-+ rowBytes = ((nVals * nBits + 7) >> 3) + pixBytes;
- if (rowBytes < 0) {
- return;
- }
-@@ -1275,7 +1276,7 @@
- endOfLine = endOfLineA;
- byteAlign = byteAlignA;
- columns = columnsA;
-- if (columns < 1) {
-+ if (columns + 3 < 1 || columns + 4 < 1 || columns < 1) {
- columns = 1;
- }
- rows = rowsA;
-@@ -2922,10 +2923,6 @@
- error(getPos(), "Bad number of components in DCT stream", prec);
- return gFalse;
- }
-- if (numComps <= 0 || numComps > 4) {
-- error(getPos(), "Bad number of components in DCT stream", prec);
-- return gFalse;
-- }
- if (prec != 8) {
- error(getPos(), "Bad DCT precision %d", prec);
- return gFalse;
-@@ -2952,6 +2949,10 @@
- height = read16();
- width = read16();
- numComps = str->getChar();
-+ if (numComps <= 0 || numComps > 4) {
-+ error(getPos(), "Bad number of components in DCT stream", prec);
-+ return gFalse;
-+ }
- if (prec != 8) {
- error(getPos(), "Bad DCT precision %d", prec);
- return gFalse;
-@@ -2974,6 +2975,10 @@
-
- length = read16() - 2;
- scanInfo.numComps = str->getChar();
-+ if (scanInfo.numComps <= 0 || scanInfo.numComps > 4) {
-+ error(getPos(), "Bad number of components in DCT stream");
-+ return gFalse;
-+ }
- --length;
- if (length != 2 * scanInfo.numComps + 3) {
- error(getPos(), "Bad DCT scan info block");
-@@ -3058,12 +3063,12 @@
- while (length > 0) {
- index = str->getChar();
- --length;
-- if ((index & 0x0f) >= 4) {
-+ if ((index & ~0x10) >= 4 || (index & ~0x10) < 0) {
- error(getPos(), "Bad DCT Huffman table");
- return gFalse;
- }
- if (index & 0x10) {
-- index &= 0x0f;
-+ index &= 0x03;
- if (index >= numACHuffTables)
- numACHuffTables = index+1;
- tbl = &acHuffTables[index];