- Add libxpdf security patches

- Add SHA256 checksums

PR:		ports/90067
Submitted by:	mnag
Security:	CVE-2005-3191, CVE-2005-3192, CVE-2005-3193

3 files changed, 122 insertions, 1 deletions

diff --git a/print/teTeX-base/Makefile b/print/teTeX-base/Makefile
index 000fdd051846..33e4f1a13129 100644
--- a/print/teTeX-base/Makefile
+++ b/print/teTeX-base/Makefile
@@ -7,7 +7,7 @@
 
 PORTNAME=	teTeX-base
 PORTVERSION=	3.0
-PORTREVISION=	5
+PORTREVISION=	6
 CATEGORIES=	print
 MASTER_SITES=	${MASTER_SITE_TEX_CTAN} \
 		ftp://ftp.ascii.co.jp/pub/TeX/ascii-ptex/dvips/:1
diff --git a/print/teTeX-base/distinfo b/print/teTeX-base/distinfo
index 0de95dffb8bc..0eb83f5bfafa 100644
--- a/print/teTeX-base/distinfo
+++ b/print/teTeX-base/distinfo
@@ -1,2 +1,3 @@
 MD5 (teTeX/tetex-src-3.0.tar.gz) = 944a4641e79e61043fdaf8f38ecbb4b3
+SHA256 (teTeX/tetex-src-3.0.tar.gz) = 9c0f7eaeb5ba6dc6f66433404d264941bf95cded2fa798b1f7a9dd580c21649b
 SIZE (teTeX/tetex-src-3.0.tar.gz) = 12749314
diff --git a/print/teTeX-base/files/patch-SA17897 b/print/teTeX-base/files/patch-SA17897
new file mode 100644
index 000000000000..0e523fc5f5e4
--- /dev/null
+++ b/print/teTeX-base/files/patch-SA17897
@@ -0,0 +1,120 @@
+--- libs/xpdf/xpdf/JPXStream.cc.orig	Mon May 17 15:11:49 2004
++++ libs/xpdf/xpdf/JPXStream.cc	Tue Dec  6 18:07:18 2005
+@@ -666,7 +666,7 @@
+   int segType;
+   GBool haveSIZ, haveCOD, haveQCD, haveSOT;
+   Guint precinctSize, style;
+-  Guint segLen, capabilities, comp, i, j, r;
++  Guint segLen, capabilities, nTiles, comp, i, j, r;
+ 
+   //----- main header
+   haveSIZ = haveCOD = haveQCD = haveSOT = gFalse;
+@@ -701,8 +701,13 @@
+ 	            / img.xTileSize;
+       img.nYTiles = (img.ySize - img.yTileOffset + img.yTileSize - 1)
+ 	            / img.yTileSize;
+-      img.tiles = (JPXTile *)gmalloc(img.nXTiles * img.nYTiles *
+-				     sizeof(JPXTile));
++      nTiles = img.nXTiles * img.nYTiles;
++      // check for overflow before allocating memory
++      if (nTiles == 0 || nTiles / img.nXTiles != img.nYTiles) {
++        error(getPos(), "Bad tile count in JPX SIZ marker segment");
++        return gFalse;
++      }
++      img.tiles = (JPXTile *)gmalloc(nTiles * sizeof(JPXTile));
+       for (i = 0; i < img.nXTiles * img.nYTiles; ++i) {
+ 	img.tiles[i].tileComps = (JPXTileComp *)gmalloc(img.nComps *
+ 							sizeof(JPXTileComp));
+--- libs/xpdf/xpdf/Stream.cc.orig	Mon May 17 16:37:57 2004
++++ libs/xpdf/xpdf/Stream.cc	Tue Dec  6 18:05:14 2005
+@@ -407,18 +407,33 @@
+ 
+ StreamPredictor::StreamPredictor(Stream *strA, int predictorA,
+ 				 int widthA, int nCompsA, int nBitsA) {
++  int totalBits;
++
+   str = strA;
+   predictor = predictorA;
+   width = widthA;
+   nComps = nCompsA;
+   nBits = nBitsA;
++  predLine = NULL;
++  ok = gFalse;
+ 
+   nVals = width * nComps;
++  totalBits = nVals * nBits;
++  if (totalBits == 0 ||
++      (totalBits / nBits) / nComps != width ||
++      totalBits + 7 < 0) {
++    return;
++  }
+   pixBytes = (nComps * nBits + 7) >> 3;
+-  rowBytes = ((nVals * nBits + 7) >> 3) + pixBytes;
++  rowBytes = ((totalBits + 7) >> 3) + pixBytes;
++  if (rowBytes < 0) {
++    return;
++  }
+   predLine = (Guchar *)gmalloc(rowBytes);
+   memset(predLine, 0, rowBytes);
+   predIdx = rowBytes;
++
++  ok = gTrue;
+ }
+ 
+ StreamPredictor::~StreamPredictor() {
+@@ -1012,6 +1027,10 @@
+     FilterStream(strA) {
+   if (predictor != 1) {
+     pred = new StreamPredictor(this, predictor, columns, colors, bits);
++    if (!pred->isOk()) {
++      delete pred;
++      pred = NULL;
++    }
+   } else {
+     pred = NULL;
+   }
+@@ -2897,6 +2916,14 @@
+   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 (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;
+@@ -3255,6 +3282,10 @@
+     FilterStream(strA) {
+   if (predictor != 1) {
+     pred = new StreamPredictor(this, predictor, columns, colors, bits);
++    if (!pred->isOk()) {
++      delete pred;
++      pred = NULL;
++    }
+   } else {
+     pred = NULL;
+   }
+--- libs/xpdf/xpdf/Stream.h.orig	Mon May 17 16:37:57 2004
++++ libs/xpdf/xpdf/Stream.h	Tue Dec  6 18:05:14 2005
+@@ -233,6 +233,8 @@
+ 
+   ~StreamPredictor();
+ 
++  GBool isOk() { return ok; }
++
+   int lookChar();
+   int getChar();
+ 
+@@ -250,6 +252,7 @@
+   int rowBytes;			// bytes per line
+   Guchar *predLine;		// line buffer
+   int predIdx;			// current index in predLine
++  GBool ok;
+ };
+ 
+ //------------------------------------------------------------------------