ood-ports-lbsd/mail/mixmaster/patches/patch-Src_pcre-2_08_pcre_c

$OpenBSD: patch-Src_pcre-2_08_pcre_c,v 1.2 2014/04/14 20:53:58 naddy Exp $
--- Src/pcre-2.08/pcre.c.orig	Sun Nov  9 12:11:50 2003
+++ Src/pcre-2.08/pcre.c	Mon Apr 14 21:25:49 2014
@@ -435,14 +435,30 @@ read_repeat_counts(const uschar *p, int *minp, int *ma
 int min = 0;
 int max = -1;
 
+/* Read the minimum value and do a paranoid check: a negative value indicates
+an integer overflow. */
+
 while ((cd->ctypes[*p] & ctype_digit) != 0) min = min * 10 + *p++ - '0';
+if (min < 0 || min > 65535)
+  {
+  *errorptr = ERR5;
+  return p;
+  }
 
+/* Read the maximum value if there is one, and again do a paranoid on its size.
+Also, max must not be less than min. */
+
 if (*p == '}') max = min; else
   {
   if (*(++p) != '}')
     {
     max = 0;
     while((cd->ctypes[*p] & ctype_digit) != 0) max = max * 10 + *p++ - '0';
+    if (max < 0 || max > 65535)
+      {
+      *errorptr = ERR5;
+      return p;
+      }
     if (max < min)
       {
       *errorptr = ERR4;
@@ -451,16 +467,11 @@ if (*p == '}') max = min; else
     }
   }
 
-/* Do paranoid checks, then fill in the required variables, and pass back the
-pointer to the terminating '}'. */
+/* Fill in the required variables, and pass back the pointer to the terminating
+'}'. */
 
-if (min > 65535 || max > 65535)
-  *errorptr = ERR5;
-else
-  {
-  *minp = min;
-  *maxp = max;
-  }
+*minp = min;
+*maxp = max;
 return p;
 }