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authorMichael Mann <mmann78@netscape.net>2016-07-21 10:21:25 -0400
committerAnders Broman <a.broman58@gmail.com>2016-07-27 03:40:02 +0000
commit8b0e9c66728f6a39bbe3ada1029e13ad1378013a (patch)
treec0c1b4da1845069520d4e131db96e6143e4ca772 /epan/dissectors/packet-dvmrp.c
parentb7f1e99f7f4c75fa4bac1ccba77087fb0e50b8ac (diff)
Follow up for proto_tree_add_checksum.
Fill in the "gaps" so that all dissectors that verify checksums have both a status and expert info field. Also address comments from original proto_tree_add_checksum patch that didn't make it. Ping-Bug: 8859 Change-Id: I2e6640108fd6bb218cb959fe9e4ba98a13e43a2f Reviewed-on: https://code.wireshark.org/review/16590 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Anders Broman <a.broman58@gmail.com>
Diffstat (limited to 'epan/dissectors/packet-dvmrp.c')
-rw-r--r--epan/dissectors/packet-dvmrp.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/epan/dissectors/packet-dvmrp.c b/epan/dissectors/packet-dvmrp.c
index fead40077f..54a85eb372 100644
--- a/epan/dissectors/packet-dvmrp.c
+++ b/epan/dissectors/packet-dvmrp.c
@@ -53,6 +53,7 @@
#include <epan/packet.h>
#include <epan/prefs.h>
+#include <epan/expert.h>
#include "packet-igmp.h"
void proto_register_dvmrp(void);
@@ -109,6 +110,8 @@ static int ett_capabilities = -1;
static int ett_flags = -1;
static int ett_route = -1;
+static expert_field ei_checksum = EI_INIT;
+
static int strict_v3 = FALSE;
#define DVMRP_TYPE 0x13
@@ -336,7 +339,7 @@ dissect_dvmrp_v3(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int
"Unknown Type:0x%02x"));
/* checksum */
- igmp_checksum(parent_tree, tvb, hf_checksum, hf_checksum_status, pinfo, 0);
+ igmp_checksum(parent_tree, tvb, hf_checksum, hf_checksum_status, &ei_checksum, pinfo, 0);
offset += 2;
/* skip unused byte */
@@ -525,7 +528,7 @@ dissect_dvmrp_v1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, int
"Unknown Type:0x%02x"));
/* checksum */
- igmp_checksum(parent_tree, tvb, hf_checksum, hf_checksum_status, pinfo, 0);
+ igmp_checksum(parent_tree, tvb, hf_checksum, hf_checksum_status, &ei_checksum, pinfo, 0);
offset += 2;
/* decode all the v1 commands */
@@ -883,11 +886,20 @@ proto_register_dvmrp(void)
&ett_flags,
&ett_route
};
+
+ static ei_register_info ei[] = {
+ { &ei_checksum, { "dvmrp.bad_checksum", PI_CHECKSUM, PI_ERROR, "Bad checksum", EXPFILL }},
+ };
+
+ expert_module_t* expert_dvmrp;
+
module_t *module_dvmrp;
proto_dvmrp = proto_register_protocol("Distance Vector Multicast Routing Protocol", "DVMRP", "dvmrp");
proto_register_field_array(proto_dvmrp, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
+ expert_dvmrp = expert_register_protocol(proto_dvmrp);
+ expert_register_field_array(expert_dvmrp, ei, array_length(ei));
module_dvmrp = prefs_register_protocol(proto_dvmrp, NULL);