forked from osmocom/wireshark
Add an expert item if src port = dst port.
svn path=/trunk/; revision=26410
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53708b2c85
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d5677f851a
1 changed files with 17 additions and 2 deletions
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@ -70,6 +70,7 @@
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#include <epan/rtp_pt.h>
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#include "packet-ntp.h"
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#include <epan/conversation.h>
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#include <epan/expert.h>
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#include <epan/reassemble.h>
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#include <epan/tap.h>
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@ -1363,7 +1364,7 @@ static void show_setup_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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/* Conversation and current data */
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struct _rtp_conversation_info *p_conv_data = NULL;
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proto_tree *rtp_setup_tree;
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proto_item *ti;
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proto_item *ti, *cause;
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/* Use existing packet info if available */
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p_conv_data = p_get_proto_data(pinfo->fd, proto_rtp);
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@ -1387,6 +1388,20 @@ static void show_setup_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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item = proto_tree_add_string(rtp_setup_tree, hf_rtp_setup_method,
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tvb, 0, 0, p_conv_data->method);
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PROTO_ITEM_SET_GENERATED(item);
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/* If SRC or DST port are equal
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* it may cuse problems for applications checking media streams
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* like MediaGateways SessionBorderGateways etc.
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*/
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if(pinfo->destport==pinfo->srcport){
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cause=proto_tree_add_text(rtp_setup_tree, tvb, 0, 0, "[Destination and Source port are equal]");
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proto_item_set_expert_flags(cause, PI_MALFORMED, PI_WARN);
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expert_add_info_format(pinfo, cause, PI_MALFORMED, PI_WARN,
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"Destination and Source port are equal");
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}
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}
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}
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