Avoid -E and -M options inconsistencies with no libcrypto

[tcpdump] / print-sflow.c

diff --git a/print-sflow.c b/print-sflow.c
index ff50c5557f5e76b5bed35c6d9bccb15158de7561..ca44421333a93b7e99255e12789efe17845478c4 100644 (file)
--- a/print-sflow.c
+++ b/print-sflow.c
@@ -21,9 +21,7 @@
 
 /* specification: https://sflow.org/developers/specifications.php */
 
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
 #include "netdissect-stdinc.h"
 
@@ -120,22 +118,22 @@ struct sflow_expanded_flow_sample_t {
     nd_uint32_t records;
 };
 
-#define        SFLOW_FLOW_RAW_PACKET                   1
-#define        SFLOW_FLOW_ETHERNET_FRAME               2
-#define        SFLOW_FLOW_IPV4_DATA                    3
-#define        SFLOW_FLOW_IPV6_DATA                    4
-#define        SFLOW_FLOW_EXTENDED_SWITCH_DATA         1001
-#define        SFLOW_FLOW_EXTENDED_ROUTER_DATA         1002
-#define        SFLOW_FLOW_EXTENDED_GATEWAY_DATA        1003
-#define        SFLOW_FLOW_EXTENDED_USER_DATA           1004
-#define        SFLOW_FLOW_EXTENDED_URL_DATA            1005
-#define        SFLOW_FLOW_EXTENDED_MPLS_DATA           1006
-#define        SFLOW_FLOW_EXTENDED_NAT_DATA            1007
-#define        SFLOW_FLOW_EXTENDED_MPLS_TUNNEL         1008
-#define        SFLOW_FLOW_EXTENDED_MPLS_VC             1009
-#define        SFLOW_FLOW_EXTENDED_MPLS_FEC            1010
-#define        SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC        1011
-#define        SFLOW_FLOW_EXTENDED_VLAN_TUNNEL         1012
+#define        SFLOW_FLOW_RAW_PACKET                   1
+#define        SFLOW_FLOW_ETHERNET_FRAME               2
+#define        SFLOW_FLOW_IPV4_DATA                    3
+#define        SFLOW_FLOW_IPV6_DATA                    4
+#define        SFLOW_FLOW_EXTENDED_SWITCH_DATA         1001
+#define        SFLOW_FLOW_EXTENDED_ROUTER_DATA         1002
+#define        SFLOW_FLOW_EXTENDED_GATEWAY_DATA        1003
+#define        SFLOW_FLOW_EXTENDED_USER_DATA           1004
+#define        SFLOW_FLOW_EXTENDED_URL_DATA            1005
+#define        SFLOW_FLOW_EXTENDED_MPLS_DATA           1006
+#define        SFLOW_FLOW_EXTENDED_NAT_DATA            1007
+#define        SFLOW_FLOW_EXTENDED_MPLS_TUNNEL         1008
+#define        SFLOW_FLOW_EXTENDED_MPLS_VC             1009
+#define        SFLOW_FLOW_EXTENDED_MPLS_FEC            1010
+#define        SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC        1011
+#define        SFLOW_FLOW_EXTENDED_VLAN_TUNNEL         1012
 
 static const struct tok sflow_flow_type_values[] = {
     { SFLOW_FLOW_RAW_PACKET, "Raw packet"},
@@ -494,7 +492,7 @@ sflow_print_counter_records(netdissect_options *ndo,
     tptr = pointer;
     tlen = len;
 
-    while (nrecords > 0) {
+    while (nrecords != 0) {
        /* do we have the "header?" */
        if (tlen < sizeof(struct sflow_counter_record_t))
            return 1;
@@ -683,14 +681,14 @@ sflow_print_flow_records(netdissect_options *ndo,
     tptr = pointer;
     tlen = len;
 
-    while (nrecords > 0) {
+    while (nrecords != 0) {
        /* do we have the "header?" */
        if (tlen < sizeof(struct sflow_flow_record_t))
            return 1;
 
        sflow_flow_record = (const struct sflow_flow_record_t *)tptr;
 
-       /* so, the funky encoding means we cannot blythly mask-off
+       /* so, the funky encoding means we cannot blithely mask-off
           bits, we must also check the enterprise. */
 
        enterprise = GET_BE_U_4(sflow_flow_record->format);
@@ -876,6 +874,7 @@ sflow_print(netdissect_options *ndo,
                len);
 
         /* skip Common header */
+        ND_ICHECK_ZU(tlen, <, sizeof(struct sflow_datagram_t));
         tptr += sizeof(struct sflow_datagram_t);
         tlen -= sizeof(struct sflow_datagram_t);
     } else {
@@ -895,7 +894,7 @@ sflow_print(netdissect_options *ndo,
         tptr += sizeof(struct sflow_v6_datagram_t);
         tlen -= sizeof(struct sflow_v6_datagram_t);
     }
-    while (nsamples > 0 && tlen > 0) {
+    while (nsamples != 0 && tlen != 0) {
         sflow_sample = (const struct sflow_sample_header *)tptr;
 
         sflow_sample_type = (GET_BE_U_4(sflow_sample->format)&0x0FFF);