Wireshark · Ethereal-dev: [Ethereal-dev] 802.11 dissector bug in ERP parsing

[Daniel Drake <dsd@xxxxxxxxxx>]

Hi,

The barker preamble bit is set when a station associates which does not 
support short preambles. When it is 0, short preambles are allowed.

Please apply this patch.

Daniel

Index: ethereal-0.99.0/epan/dissectors/packet-ieee80211.c
===================================================================
--- ethereal-0.99.0.orig/epan/dissectors/packet-ieee80211.c
+++ ethereal-0.99.0/epan/dissectors/packet-ieee80211.c
@@ -1834,7 +1834,7 @@ add_tagged_field (packet_info * pinfo, p
         g_snprintf (print_buff, SHORT_STR, "%sNon-ERP STAs, %suse protection, %s preambles",
                   erp_info & 0x01 ? "" : "no ",
                   erp_info & 0x02 ? "" : "do not ",
-                  erp_info & 0x04 ? "short or long": "long");
+                  erp_info & 0x04 ? "long": "short or long");
         print_buff[SHORT_STR-1] = '\0';
         g_snprintf (out_buff, SHORT_STR,
                   "ERP info: 0x%x (%s)",erp_info,print_buff);

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