X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/be37dfa4622c8f9b8f3dec9c8f2b0b891dd95d3a..600590726828c6d6be4c6cb57718574430e36765:/print-snmp.c

diff --git a/print-snmp.c b/print-snmp.c
index aa8d78f0..70127c69 100644
--- a/print-snmp.c
+++ b/print-snmp.c
@@ -58,7 +58,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-snmp.c,v 1.50 2001-09-17 22:16:53 fenner Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-snmp.c,v 1.51 2002-05-07 07:39:05 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -688,13 +688,17 @@ asn1_print(struct be *elem)
 			
 			/*
 			 * first subitem encodes two items with 1st*OIDMUX+2nd
+			 * (see X.690:1997 clause 8.19 for the details)
 			 */
 			if (first < 0) {
+			        int s;
 				if (!nflag)
 					objp = mibroot;
 				first = 0;
-				OBJ_PRINT(o/OIDMUX, first);
-				o %= OIDMUX;
+				s = o / OIDMUX;
+				if (s > 2) s = 2;
+				OBJ_PRINT(s, first);
+				o -= s * OIDMUX;
 			}
 			OBJ_PRINT(o, first);
 			if (--first < 0)
@@ -875,16 +879,19 @@ static void smi_decode_oid(struct be *elem, unsigned int *oid,
 	    
 		/*
 		 * first subitem encodes two items with 1st*OIDMUX+2nd
+		 * (see X.690:1997 clause 8.19 for the details)
 		 */
 		if (first < 0) {
 		        first = 0;
 			if (*oidlen < oidsize) {
-			    oid[(*oidlen)++] = o/OIDMUX;
+			    oid[*oidlen] = o / OIDMUX;
+			    if (oid[*oidlen] > 2) oid[*oidlen] = 2;
 			}
-			o %= OIDMUX;
+			o -= oid[*oidlen] * OIDMUX;
+			if (*oidlen < oidsize) (*oidlen)++;
 		}
 		if (*oidlen < oidsize) {
-		    oid[(*oidlen)++] = o;
+			oid[(*oidlen)++] = o;
 		}
 		o = 0;
 	}