path: root/patchsets/motif/2.2.3/02_all_CAN-2004-0687-0688.patch

--- openMotif-2.2.3/lib/Xm/Xpmhashtab.c.CAN-2004-0687-0688
+++ openMotif-2.2.3/lib/Xm/Xpmhashtab.c
@@ -141,7 +141,7 @@
     xpmHashTable *table;
 {
     xpmHashAtom *atomTable = table->atomTable;
-    int size = table->size;
+    unsigned int size = table->size;
     xpmHashAtom *t, *p;
     int i;
     int oldSize = size;
@@ -150,6 +150,8 @@
     HASH_TABLE_GROWS
 	table->size = size;
     table->limit = size / 3;
+    if (size >= SIZE_MAX / sizeof(*atomTable)) 
+        return (XpmNoMemory);
     atomTable = (xpmHashAtom *) XpmMalloc(size * sizeof(*atomTable));
     if (!atomTable)
 	return (XpmNoMemory);
@@ -210,6 +212,8 @@
     table->size = INITIAL_HASH_SIZE;
     table->limit = table->size / 3;
     table->used = 0;
+   if (table->size >= SIZE_MAX / sizeof(*atomTable))
+       return (XpmNoMemory);
     atomTable = (xpmHashAtom *) XpmMalloc(table->size * sizeof(*atomTable));
     if (!atomTable)
 	return (XpmNoMemory);
--- openMotif-2.2.3/lib/Xm/XpmWrFFrI.c.CAN-2004-0687-0688
+++ openMotif-2.2.3/lib/Xm/XpmWrFFrI.c
@@ -244,6 +244,8 @@
     unsigned int x, y, h;
 
     h = height - 1;
+    if (cpp != 0 && width >= (SIZE_MAX - 3)/cpp)
+        return (XpmNoMemory);
     p = buf = (char *) XpmMalloc(width * cpp + 3);
     if (!buf)
 	return (XpmNoMemory);
--- openMotif-2.2.3/lib/Xm/Xpmdata.c.CAN-2004-0687-0688
+++ openMotif-2.2.3/lib/Xm/Xpmdata.c
@@ -376,7 +376,7 @@
 {
     if (!mdata->type)
 	*cmt = NULL;
-    else if (mdata->CommentLength) {
+    else if (mdata->CommentLength != 0 && mdata->CommentLength < SIZE_MAX - 1) {
 	*cmt = (char *) XpmMalloc(mdata->CommentLength + 1);
 	strncpy(*cmt, mdata->Comment, mdata->CommentLength);
 	(*cmt)[mdata->CommentLength] = '\0';
--- openMotif-2.2.3/lib/Xm/XpmI.h.CAN-2004-0687-0688
+++ openMotif-2.2.3/lib/Xm/XpmI.h
@@ -179,6 +179,18 @@
 		boundCheckingCalloc((long)(nelem),(long) (elsize))
 #endif
 
+#if defined(SCO) || defined(__USLC__)
+#include <stdint.h>    /* For SIZE_MAX */
+#endif
+#include <limits.h>
+#ifndef SIZE_MAX
+# ifdef ULONG_MAX
+#  define SIZE_MAX ULONG_MAX
+# else 
+#  define SIZE_MAX UINT_MAX
+# endif
+#endif
+
 #define XPMMAXCMTLEN BUFSIZ
 typedef struct {
     unsigned int type;
@@ -276,9 +288,9 @@
 }      *xpmHashAtom;
 
 typedef struct {
-    int size;
-    int limit;
-    int used;
+    unsigned int size;
+    unsigned int limit;
+    unsigned int used;
     xpmHashAtom *atomTable;
 }      xpmHashTable;
 
--- openMotif-2.2.3/lib/Xm/XpmCrDatFrI.c.CAN-2004-0687-0688
+++ openMotif-2.2.3/lib/Xm/XpmCrDatFrI.c
@@ -134,6 +134,8 @@
      */
     header_nlines = 1 + image->ncolors;
     header_size = sizeof(char *) * header_nlines;
+    if (header_size >= SIZE_MAX / sizeof(char *))
+        return (XpmNoMemory);
     header = (char **) XpmCalloc(header_size, sizeof(char *));
     if (!header)
 	return (XpmNoMemory);
--- openMotif-2.2.3/lib/Xm/Xpmscan.c.CAN-2004-0687-0688
+++ openMotif-2.2.3/lib/Xm/Xpmscan.c
@@ -98,7 +98,8 @@
 LFUNC(ScanTransparentColor, int, (XpmColor *color, unsigned int cpp,
 				  XpmAttributes *attributes));
 
-LFUNC(ScanOtherColors, int, (Display *display, XpmColor *colors, int ncolors,
+LFUNC(ScanOtherColors, int, (Display *display, XpmColor *colors, 
+			     unsigned int ncolors, 
 			     Pixel *pixels, unsigned int mask,
 			     unsigned int cpp, XpmAttributes *attributes));
 
@@ -225,11 +226,17 @@
     else
 	cpp = 0;
 
+    if ((height > 0 && width >= SIZE_MAX / height) ||
+	width * height >= SIZE_MAX / sizeof(unsigned int))
+        RETURN(XpmNoMemory);
     pmap.pixelindex =
 	(unsigned int *) XpmCalloc(width * height, sizeof(unsigned int));
     if (!pmap.pixelindex)
 	RETURN(XpmNoMemory);
 
+    if (pmap.size >= SIZE_MAX / sizeof(Pixel)) 
+        RETURN(XpmNoMemory);
+
     pmap.pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * pmap.size);
     if (!pmap.pixels)
 	RETURN(XpmNoMemory);
@@ -285,6 +292,8 @@
      * color
      */
 
+    if (pmap.ncolors >= SIZE_MAX / sizeof(XpmColor))
+        RETURN(XpmNoMemory);
     colorTable = (XpmColor *) XpmCalloc(pmap.ncolors, sizeof(XpmColor));
     if (!colorTable)
 	RETURN(XpmNoMemory);
@@ -332,6 +341,8 @@
 
     /* first get a character string */
     a = 0;
+    if (cpp >= SIZE_MAX - 1)
+        return (XpmNoMemory);
     if (!(s = color->string = (char *) XpmMalloc(cpp + 1)))
 	return (XpmNoMemory);
     *s++ = printable[c = a % MAXPRINTABLE];
@@ -379,7 +390,7 @@
 ScanOtherColors(display, colors, ncolors, pixels, mask, cpp, attributes)
     Display *display;
     XpmColor *colors;
-    int ncolors;
+    unsigned int ncolors;
     Pixel *pixels;
     unsigned int mask;
     unsigned int cpp;
@@ -423,6 +434,8 @@
     }
 
     /* first get character strings and rgb values */
+    if (ncolors >= SIZE_MAX / sizeof(XColor) || cpp >= SIZE_MAX - 1)
+        return (XpmNoMemory);
     xcolors = (XColor *) XpmMalloc(sizeof(XColor) * ncolors);
     if (!xcolors)
 	return (XpmNoMemory);
--- openMotif-2.2.3/lib/Xm/XpmAttrib.c.CAN-2004-0687-0688
+++ openMotif-2.2.3/lib/Xm/XpmAttrib.c
@@ -41,8 +41,8 @@
 #include "XpmI.h"
 
 /* 3.2 backward compatibility code */
-LFUNC(CreateOldColorTable, int, (XpmColor *ct, int ncolors,
-				 XpmColor ***oldct));
+LFUNC(CreateOldColorTable, int, (XpmColor *ct, unsigned int ncolors,
+                                 XpmColor ***oldct));
 
 LFUNC(FreeOldColorTable, void, (XpmColor **colorTable, int ncolors));
 
@@ -52,12 +52,15 @@
 static int
 CreateOldColorTable(ct, ncolors, oldct)
     XpmColor *ct;
-    int ncolors;
+    unsigned int ncolors;
     XpmColor ***oldct;
 {
     XpmColor **colorTable, **color;
     int a;
 
+    if (ncolors >= SIZE_MAX / sizeof(XpmColor *)) 
+        return XpmNoMemory;
+
     colorTable = (XpmColor **) XpmMalloc(ncolors * sizeof(XpmColor *));
     if (!colorTable) {
 	*oldct = NULL;
--- openMotif-2.2.3/lib/Xm/Xpmcreate.c.CAN-2004-0687-0688
+++ openMotif-2.2.3/lib/Xm/Xpmcreate.c
@@ -804,6 +804,9 @@
 
     ErrorStatus = XpmSuccess;
 
+    if (image->ncolors >= SIZE_MAX / sizeof(Pixel)) 
+       return (XpmNoMemory);
+
     /* malloc pixels index tables */
     image_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * image->ncolors);
     if (!image_pixels)
@@ -947,6 +950,8 @@
 	return (XpmNoMemory);
 
 #ifndef FOR_MSW
+    if (height != 0 && (*image_return)->bytes_per_line >= SIZE_MAX / height)
+       return XpmNoMemory;
     /* now that bytes_per_line must have been set properly alloc data */
     (*image_return)->data =
 	(char *) XpmMalloc((*image_return)->bytes_per_line * height);
@@ -1992,6 +1997,9 @@
 	xpmGetCmt(data, &colors_cmt);
 
     /* malloc pixels index tables */
+    if (ncolors >= SIZE_MAX / sizeof(Pixel)) 
+        return XpmNoMemory;
+
     image_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * ncolors);
     if (!image_pixels)
 	RETURN(XpmNoMemory);
@@ -2207,6 +2215,9 @@
 	{
 	    unsigned short colidx[256];
 
+	    if (ncolors > 256)
+	        return (XpmFileInvalid);
+
 	    bzero((char *)colidx, 256 * sizeof(short));
 	    for (a = 0; a < ncolors; a++)
 		colidx[(unsigned char)colorTable[a].string[0]] = a + 1;
@@ -2305,6 +2316,9 @@
 	    char *s;
 	    char buf[BUFSIZ];
 
+	    if (cpp >= sizeof(buf))
+	        return (XpmFileInvalid);
+
 	    buf[cpp] = '\0';
 	    if (USE_HASHTABLE) {
 		xpmHashAtom *slot;
--- openMotif-2.2.3/lib/Xm/Xpmparse.c.CAN-2004-0687-0688
+++ openMotif-2.2.3/lib/Xm/Xpmparse.c
@@ -46,6 +46,25 @@
 
 #include "XpmI.h"
 #include <ctype.h>
+#include <string.h>
+ 
+#ifdef HAS_STRLCAT
+# define STRLCAT(dst, src, dstsize) { \
+       if (strlcat(dst, src, dstsize) >= (dstsize)) \
+           return (XpmFileInvalid); }
+# define STRLCPY(dst, src, dstsize) { \
+       if (strlcpy(dst, src, dstsize) >= (dstsize)) \
+           return (XpmFileInvalid); }
+#else
+# define STRLCAT(dst, src, dstsize) { \
+       if ((strlen(dst) + strlen(src)) < (dstsize)) \
+           strcat(dst, src); \
+       else return (XpmFileInvalid); }
+# define STRLCPY(dst, src, dstsize) { \
+       if (strlen(src) < (dstsize)) \
+           strcpy(dst, src); \
+       else return (XpmFileInvalid); }
+#endif
 
 LFUNC(ParsePixels, int, (xpmData *data, unsigned int width,
 			 unsigned int height, unsigned int ncolors,
@@ -215,7 +234,7 @@
     unsigned int *extensions;
 {
     unsigned int l;
-    char buf[BUFSIZ];
+    char buf[BUFSIZ + 1];
 
     if (!data->format) {		/* XPM 2 or 3 */
 
@@ -324,10 +343,10 @@
     XpmColor **colorTablePtr;
     xpmHashTable *hashtable;
 {
-    unsigned int key, l, a, b;
+    unsigned int key, l, a, b, len;
     unsigned int curkey;		/* current color key */
     unsigned int lastwaskey;		/* key read */
-    char buf[BUFSIZ];
+    char buf[BUFSIZ + 1];
     char curbuf[BUFSIZ];		/* current buffer */
     char **sptr, *s;
     XpmColor *color;
@@ -335,6 +354,8 @@
     char **defaults;
     int ErrorStatus;
 
+    if (ncolors >= SIZE_MAX / sizeof(XpmColor))
+        return (XpmNoMemory);
     colorTable = (XpmColor *) XpmCalloc(ncolors, sizeof(XpmColor));
     if (!colorTable)
 	return (XpmNoMemory);
@@ -346,6 +367,10 @@
 	    /*
 	     * read pixel value
 	     */
+	    if (cpp >= SIZE_MAX - 1) {
+	        xpmFreeColorTable(colorTable, ncolors);
+		return (XpmNoMemory);
+	    }
 	    color->string = (char *) XpmMalloc(cpp + 1);
 	    if (!color->string) {
 		xpmFreeColorTable(colorTable, ncolors);
@@ -383,13 +408,14 @@
 		}
 		if (!lastwaskey && key < NKEYS) {	/* open new key */
 		    if (curkey) {	/* flush string */
-			s = (char *) XpmMalloc(strlen(curbuf) + 1);
+		        len = strlen(curbuf) + 1;
+			s = (char *) XpmMalloc(len);
 			if (!s) {
 			    xpmFreeColorTable(colorTable, ncolors);
 			    return (XpmNoMemory);
 			}
 			defaults[curkey] = s;
-			strcpy(s, curbuf);
+			memcpy(s, curbuf, len);
 		    }
 		    curkey = key + 1;	/* set new key  */
 		    *curbuf = '\0';	/* reset curbuf */
@@ -400,9 +426,9 @@
 			return (XpmFileInvalid);
 		    }
 		    if (!lastwaskey)
-			strcat(curbuf, " ");	/* append space */
+		        STRLCAT(curbuf, " ", sizeof(curbuf)); /* append space */
 		    buf[l] = '\0';
-		    strcat(curbuf, buf);/* append buf */
+		    STRLCAT(curbuf, buf, sizeof(curbuf));/* append buf */
 		    lastwaskey = 0;
 		}
 	    }
@@ -410,12 +436,13 @@
 		xpmFreeColorTable(colorTable, ncolors);
 		return (XpmFileInvalid);
 	    }
-	    s = defaults[curkey] = (char *) XpmMalloc(strlen(curbuf) + 1);
+	    len = strlen(curbuf) + 1;
+	    s = defaults[curkey] = (char *) XpmMalloc(len);
 	    if (!s) {
 		xpmFreeColorTable(colorTable, ncolors);
 		return (XpmNoMemory);
 	    }
-	    strcpy(s, curbuf);
+	    memcpy(s, curbuf, len);
 	}
     } else {				/* XPM 1 */
 	/* get to the beginning of the first string */
@@ -428,6 +455,10 @@
 	    /*
 	     * read pixel value
 	     */
+	    if (cpp >= SIZE_MAX - 1) {
+	        xpmFreeColorTable(colorTable, ncolors);
+		return (XpmNoMemory);
+	    }
 	    color->string = (char *) XpmMalloc(cpp + 1);
 	    if (!color->string) {
 		xpmFreeColorTable(colorTable, ncolors);
@@ -456,16 +487,17 @@
 	    *curbuf = '\0';		/* init curbuf */
 	    while ((l = xpmNextWord(data, buf, BUFSIZ))) {
 		if (*curbuf != '\0')
-		    strcat(curbuf, " ");/* append space */
+		    STRLCAT(curbuf, " ", sizeof(curbuf));/* append space */
 		buf[l] = '\0';
-		strcat(curbuf, buf);	/* append buf */
+		STRLCAT(curbuf, buf, sizeof(curbuf));   /* append buf */
 	    }
-	    s = (char *) XpmMalloc(strlen(curbuf) + 1);
+	    len = strlen(curbuf) + 1;
+	    s = (char *) XpmMalloc(len);
 	    if (!s) {
 		xpmFreeColorTable(colorTable, ncolors);
 		return (XpmNoMemory);
 	    }
-	    strcpy(s, curbuf);
+	    memcpy(s, curbuf, len);
 	    color->c_color = s;
 	    *curbuf = '\0';		/* reset curbuf */
 	    if (a < ncolors - 1)
@@ -490,6 +522,9 @@
     unsigned int *iptr, *iptr2;
     unsigned int a, x, y;
 
+    if ((height > 0 && width >= SIZE_MAX / height) ||
+	width * height >= SIZE_MAX / sizeof(unsigned int)) 
+        return XpmNoMemory;
 #ifndef FOR_MSW
     iptr2 = (unsigned int *) XpmMalloc(sizeof(unsigned int) * width * height);
 #else
@@ -513,6 +548,9 @@
 	{
 	    unsigned short colidx[256];
 
+	    if (ncolors > 256)
+	        return (XpmFileInvalid);
+
 	    bzero((char *)colidx, 256 * sizeof(short));
 	    for (a = 0; a < ncolors; a++)
 		colidx[(unsigned char)colorTable[a].string[0]] = a + 1;
@@ -590,6 +628,9 @@
 	    char *s;
 	    char buf[BUFSIZ];
 
+	    if (cpp >= sizeof(buf))
+	        return (XpmFileInvalid);
+
 	    buf[cpp] = '\0';
 	    if (USE_HASHTABLE) {
 		xpmHashAtom *slot;