question about option82

["Guo, Fei" <Fei.Guo () windriver com>]

Hi All,
 
  I capture a option82 packet with wireshark, but it is displayed with
malformed. and I check the code, the following in function
"bootp_dhcp_decode_agent_info".
------------------------------------------------------------------------
--
 case 7: /* 7   RADIUS Attributes Sub-option           [RFC4014] */
  proto_tree_add_text(v_tree, tvb, optoff, subopt_len + 2,
     "RADIUS Attributes: %s",
     tvb_bytes_to_str(tvb, suboptoff, subopt_len));
  break;    --------------------------------   needed??
 case 8: /* 8   Authentication Suboption               [RFC4030]  */
  proto_tree_add_text(v_tree, tvb, optoff, subopt_len + 2,
     "Authentication: %s",
     tvb_bytes_to_str(tvb, suboptoff, subopt_len));
  break;    --------------------------------   needed??
 case 9:
  while (suboptoff < optend) {
   enterprise = tvb_get_ntohl(tvb, suboptoff);
   vti = proto_tree_add_text(v_tree, tvb, suboptoff, 4,
         "Enterprise-number: %s-%u",
         val_to_str( enterprise, sminmpec_values, "Unknown"),
         enterprise);
   suboptoff += 4;
------------------------------------------------------------------------
--
  is it a bug?? if not, does RFC4030 show it need a "Enterprise-number"
in the authentication sub-option?? thank you very much.
 
Cheers
Fei
 
WIND RIVER | China Development Center
Tel: 86-10-8477-8665  |  Fax: 86-10-64790367
 

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