epan/dissectors/asn1/x509if/packet-x509if-template.c

   1 /* packet-x509if.c
   2  * Routines for X.509 Information Framework packet dissection
   3  *  Ronnie Sahlberg 2004
   4  *
   5  * Wireshark - Network traffic analyzer
   6  * By Gerald Combs <gerald@wireshark.org>
   7  * Copyright 1998 Gerald Combs
   8  *
   9  * SPDX-License-Identifier: GPL-2.0-or-later
  10  */
  11
  12 #include "config.h"
  13
  14 #include <epan/packet.h>
  15 #include <epan/oids.h>
  16 #include <epan/asn1.h>
  17 #include <epan/proto_data.h>
  18 #include <epan/strutil.h>
  19 #include <wsutil/array.h>
  20
  21 #include "packet-ber.h"
  22 #include "packet-dap.h"
  23 #include "packet-x509if.h"
  24 #include "packet-x509sat.h"
  25 #include "packet-frame.h"
  26
  27 #define PNAME  "X.509 Information Framework"
  28 #define PSNAME "X509IF"
  29 #define PFNAME "x509if"
  30
  31 void proto_register_x509if(void);
  32 void proto_reg_handoff_x509if(void);
  33
  34 /* Initialize the protocol and registered fields */
  35 static int proto_x509if;
  36 static int hf_x509if_object_identifier_id;
  37 static int hf_x509if_any_string;
  38 #include "packet-x509if-hf.c"
  39
  40 /* Initialize the subtree pointers */
  41 #include "packet-x509if-ett.c"
  42
  43 static proto_tree *top_of_dn;
  44 static proto_tree *top_of_rdn;
  45
  46 static bool rdn_one_value; /* have we seen one value in an RDN yet */
  47 static bool dn_one_rdn; /* have we seen one RDN in a DN yet */
  48 static bool doing_attr;
  49
  50 static wmem_strbuf_t *last_dn_buf;
  51 static wmem_strbuf_t *last_rdn_buf;
  52
  53 static int ava_hf_index;
  54 #define MAX_FMT_VALS   32
  55 static value_string fmt_vals[MAX_FMT_VALS];
  56 #define MAX_AVA_STR_LEN   64
  57 static char *last_ava;
  58
  59 static void
  60 x509if_frame_end(void)
  61 {
  62   top_of_dn = NULL;
  63   top_of_rdn = NULL;
  64
  65   rdn_one_value = false;
  66   dn_one_rdn = false;
  67   doing_attr = false;
  68
  69   last_dn_buf = NULL;
  70   last_rdn_buf = NULL;
  71   last_ava = NULL;
  72 }
  73
  74 #include "packet-x509if-fn.c"
  75
  76 const char * x509if_get_last_dn(void)
  77 {
  78   return last_dn_buf ? wmem_strbuf_get_str(last_dn_buf) : NULL;
  79 }
  80
  81 bool x509if_register_fmt(int hf_index, const char *fmt)
  82 {
  83   static int idx = 0;
  84
  85   if(idx < (MAX_FMT_VALS - 1)) {
  86
  87     fmt_vals[idx].value = hf_index;
  88     fmt_vals[idx].strptr = fmt;
  89
  90     idx++;
  91
  92     fmt_vals[idx].value = 0;
  93     fmt_vals[idx].strptr = NULL;
  94
  95     return true;
  96
  97   } else
  98     return false; /* couldn't register it */
  99
 100 }
 101
 102 const char * x509if_get_last_ava(void)
 103 {
 104   return last_ava;
 105 }
 106
 107 /*--- proto_register_x509if ----------------------------------------------*/
 108 void proto_register_x509if(void) {
 109
 110   /* List of fields */
 111   static hf_register_info hf[] = {
 112     { &hf_x509if_object_identifier_id,
 113       { "Object Id", "x509if.oid", FT_OID, BASE_NONE, NULL, 0,
 114         "Object identifier Id", HFILL }},
 115     { &hf_x509if_any_string,
 116       { "AnyString", "x509if.any.String", FT_BYTES, BASE_NONE,
 117             NULL, 0, "This is any String", HFILL }},
 118
 119 #include "packet-x509if-hfarr.c"
 120   };
 121
 122   /* List of subtrees */
 123   static int *ett[] = {
 124 #include "packet-x509if-ettarr.c"
 125   };
 126
 127   /* Register protocol */
 128   proto_x509if = proto_register_protocol(PNAME, PSNAME, PFNAME);
 129
 130   /* Register fields and subtrees */
 131   proto_register_field_array(proto_x509if, hf, array_length(hf));
 132   proto_register_subtree_array(ett, array_length(ett));
 133
 134   /* initialise array */
 135   fmt_vals[0].value = 0;
 136   fmt_vals[0].strptr = NULL;
 137
 138 }
 139
 140
 141 /*--- proto_reg_handoff_x509if -------------------------------------------*/
 142 void proto_reg_handoff_x509if(void) {
 143 #include "packet-x509if-dis-tab.c"
 144 }
 145