X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Fber_oid.c;h=6a0541e9a2b102cba8d922291f71a2dfc6280ce3;hb=cf3ff0df41755297543b14f007842e1dc216ec25;hp=fa983bd7a5aa4fe99d4c9eb63b9134109db40117;hpb=78723254cce0fc4e86db7e8d2bc503527d7c08f9;p=yaz-moved-to-github.git

diff --git a/src/ber_oid.c b/src/ber_oid.c
index fa983bd..6a0541e 100644
--- a/src/ber_oid.c
+++ b/src/ber_oid.c
@@ -1,8 +1,16 @@
 /*
- * Copyright (c) 1995-2004, Index Data
+ * Copyright (C) 1995-2005, Index Data ApS
  * See the file LICENSE for details.
  *
- * $Id: ber_oid.c,v 1.3 2004-02-16 17:57:05 adam Exp $
+ * $Id: ber_oid.c,v 1.7 2005-06-25 15:46:03 adam Exp $
+ */
+
+/** 
+ * \file ber_oid.c
+ * \brief Implements BER OID encoding and decoding
+ *
+ * This source file implements BER encoding and decoding of
+ * the OID type.
  */
 #if HAVE_CONFIG_H
 #include <config.h>
@@ -10,7 +18,7 @@
 
 #include "odr-priv.h"
 
-int ber_oidc(ODR o, Odr_oid *p)
+int ber_oidc(ODR o, Odr_oid *p, int max_oid_size)
 {
     int len, lenp, end;
     int pos, n, res, id;
@@ -24,7 +32,7 @@ int ber_oidc(ODR o, Odr_oid *p)
             odr_seterror(o, OPROTO, 18);
             return 0;
         }
-        if (len <= 0)
+        if (len < 0)
         {
             odr_seterror(o, OPROTO, 19);
             return 0;
@@ -36,8 +44,8 @@ int ber_oidc(ODR o, Odr_oid *p)
             return 0;
         }
         pos = 0;
-	while (len)
-	{
+        while (len)
+        {
             int id = 0;
             do
             {
@@ -53,15 +61,20 @@ int ber_oidc(ODR o, Odr_oid *p)
             while (*(o->bp++) & 0X80);
             if (pos > 0)
                 p[pos++] = id;
-	    else
+            else
             {
                 p[0] = id / 40;
-		if (p[0] > 2)
+                if (p[0] > 2)
                     p[0] = 2;
-		p[1] = id - p[0] * 40;
-		pos = 2;
+                p[1] = id - p[0] * 40;
+                pos = 2;
+            }
+            if (pos >= max_oid_size)
+            {
+                odr_seterror(o, OPROTO, 55);
+                return 0;
             }
-	}
+        }
         p[pos] = -1;
         return 1;
     case ODR_ENCODE:
@@ -80,7 +93,7 @@ int ber_oidc(ODR o, Odr_oid *p)
             n = 0;
             if (pos == 1)
                 id = p[0]*40 + p[1];
-	    else 
+            else 
                 id = p[pos];
             do
             {
@@ -111,3 +124,11 @@ int ber_oidc(ODR o, Odr_oid *p)
         return 0;
     }
 }
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+