packet-ypbind.c

   1 /* packet-ypbind.c
   2  * Routines for ypbind dissection
   3  *
   4  * $Id: packet-ypbind.c,v 1.15 2002/11/01 00:48:39 sahlberg Exp $
   5  *
   6  * Ethereal - Network traffic analyzer
   7  * By Gerald Combs <gerald@ethereal.com>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * Copied from packet-smb.c
  11  *
  12  *    2001  Ronnie Sahlberg, added dissectors for the commands
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License
  16  * as published by the Free Software Foundation; either version 2
  17  * of the License, or (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  27  */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include "config.h"
  31 #endif
  32
  33
  34
  35 #include "packet-rpc.h"
  36 #include "packet-ypbind.h"
  37
  38 static int proto_ypbind = -1;
  39 static int hf_ypbind_procedure_v1 = -1;
  40 static int hf_ypbind_procedure_v2 = -1;
  41 static int hf_ypbind_domain = -1;
  42 static int hf_ypbind_resp_type = -1;
  43 static int hf_ypbind_error = -1;
  44 static int hf_ypbind_addr = -1;
  45 static int hf_ypbind_port = -1;
  46 static int hf_ypbind_setdom_version = -1;
  47
  48 static gint ett_ypbind = -1;
  49
  50
  51 static int
  52 dissect_ypbind_domain_v2_request(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree)
  53 {
  54         /* domain */
  55         offset = dissect_rpc_string(tvb, tree,
  56                         hf_ypbind_domain, offset, NULL);
  57
  58         return offset;
  59 }
  60
  61 #define YPBIND_RESP_TYPE_SUCC_VAL       1
  62 #define YPBIND_RESP_TYPE_FAIL_VAL       2
  63 static const value_string resp_type_vals[] = {
  64         {YPBIND_RESP_TYPE_SUCC_VAL,     "SUCC_VAL"},
  65         {YPBIND_RESP_TYPE_FAIL_VAL,     "FAIL_VAL"},
  66         {0, NULL}
  67 };
  68
  69 #define YPBIND_ERROR_ERR        1
  70 #define YPBIND_ERROR_NOSERV     2
  71 #define YPBIND_ERROR_RESC       3
  72 static const value_string error_vals[] = {
  73         {YPBIND_ERROR_ERR,      "Internal error"},
  74         {YPBIND_ERROR_NOSERV,   "No bound server for passed domain"},
  75         {YPBIND_ERROR_RESC,     "System resource allocation failure"},
  76         {0, NULL}
  77 };
  78
  79 static int
  80 dissect_ypbind_domain_v2_reply(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree)
  81 {
  82         guint32 type;
  83
  84         /* response type */
  85         type=tvb_get_ntohl(tvb, offset);
  86         offset = dissect_rpc_uint32(tvb, tree, hf_ypbind_resp_type, offset);
  87
  88         switch(type){
  89         case YPBIND_RESP_TYPE_SUCC_VAL:
  90                 /* ip address */
  91                 proto_tree_add_item(tree, hf_ypbind_addr,
  92                         tvb, offset, 4, FALSE);
  93                 offset += 4;
  94
  95                 /* port */
  96                 offset = dissect_rpc_uint32(tvb, tree,
  97                                 hf_ypbind_port, offset);
  98
  99                 break;
 100         case YPBIND_RESP_TYPE_FAIL_VAL:
 101                 /* error */
 102                 offset = dissect_rpc_uint32(tvb, tree,
 103                                 hf_ypbind_resp_type, offset);
 104                 break;
 105         }
 106
 107         return offset;
 108 }
 109
 110 static int
 111 dissect_ypbind_setdomain_v2_request(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree)
 112 {
 113         /* domain */
 114         offset = dissect_rpc_string(tvb, tree,
 115                         hf_ypbind_domain, offset, NULL);
 116
 117         /* ip address */
 118         proto_tree_add_item(tree, hf_ypbind_addr,
 119                 tvb, offset, 4, FALSE);
 120         offset += 4;
 121
 122         /* port */
 123         offset = dissect_rpc_uint32(tvb, tree,
 124                         hf_ypbind_port, offset);
 125
 126         /* version */
 127         offset = dissect_rpc_uint32(tvb, tree,
 128                         hf_ypbind_setdom_version, offset);
 129
 130         return offset;
 131 }
 132
 133
 134
 135 /* proc number, "proc name", dissect_request, dissect_reply */
 136 /* NULL as function pointer means: type of arguments is "void". */
 137 static const vsff ypbind1_proc[] = {
 138         { YPBINDPROC_NULL,      "NULL",         NULL,                           NULL },
 139         { YPBINDPROC_DOMAIN,    "DOMAIN",               NULL,                           NULL },
 140         { YPBINDPROC_SETDOM,    "SETDOMAIN",            NULL,                           NULL },
 141         { 0,    NULL,           NULL,                           NULL }
 142 };
 143 static const value_string ypbind1_proc_vals[] = {
 144         { YPBINDPROC_NULL,      "NULL" },
 145         { YPBINDPROC_DOMAIN,    "DOMAIN" },
 146         { YPBINDPROC_SETDOM,    "SETDOMAIN" },
 147         { 0,    NULL }
 148 };
 149 /* end of YPBind version 1 */
 150
 151 static const vsff ypbind2_proc[] = {
 152         { YPBINDPROC_NULL,      "NULL",         NULL,                           NULL },
 153         { YPBINDPROC_DOMAIN,    "DOMAIN",
 154                 dissect_ypbind_domain_v2_request, dissect_ypbind_domain_v2_reply},
 155         { YPBINDPROC_SETDOM,    "SETDOMAIN",
 156                 dissect_ypbind_setdomain_v2_request, NULL},
 157         { 0,    NULL,       NULL,               NULL }
 158 };
 159 static const value_string ypbind2_proc_vals[] = {
 160         { YPBINDPROC_NULL,      "NULL" },
 161         { YPBINDPROC_DOMAIN,    "DOMAIN" },
 162         { YPBINDPROC_SETDOM,    "SETDOMAIN" },
 163         { 0,    NULL }
 164 };
 165 /* end of YPBind version 2 */
 166
 167
 168 void
 169 proto_register_ypbind(void)
 170 {
 171         static hf_register_info hf[] = {
 172                 { &hf_ypbind_procedure_v1, {
 173                         "V1 Procedure", "ypbind.procedure_v1", FT_UINT32, BASE_DEC,
 174                         VALS(ypbind1_proc_vals), 0, "V1 Procedure", HFILL }},
 175                 { &hf_ypbind_procedure_v2, {
 176                         "V2 Procedure", "ypbind.procedure_v2", FT_UINT32, BASE_DEC,
 177                         VALS(ypbind2_proc_vals), 0, "V2 Procedure", HFILL }},
 178                 { &hf_ypbind_domain, {
 179                         "Domain", "ypbind.domain", FT_STRING, BASE_DEC,
 180                         NULL, 0, "Name of the NIS/YP Domain", HFILL }},
 181
 182                 { &hf_ypbind_resp_type, {
 183                         "Response Type", "ypbind.resp_type", FT_UINT32, BASE_DEC,
 184                         VALS(resp_type_vals), 0, "Response type", HFILL }},
 185
 186                 { &hf_ypbind_error, {
 187                         "Error", "ypbind.error", FT_UINT32, BASE_DEC,
 188                         VALS(error_vals), 0, "YPBIND Error code", HFILL }},
 189
 190                 { &hf_ypbind_addr, {
 191                         "IP Addr", "ypbind.addr", FT_IPv4, BASE_DEC,
 192                         NULL, 0, "IP Address of server", HFILL }},
 193
 194                 { &hf_ypbind_port, {
 195                         "Port", "ypbind.port", FT_UINT32, BASE_DEC,
 196                         NULL, 0, "Port to use", HFILL }},
 197
 198                 { &hf_ypbind_setdom_version, {
 199                         "Version", "ypbind.setdom.version", FT_UINT32, BASE_DEC,
 200                         NULL, 0, "Version of setdom", HFILL }},
 201
 202         };
 203
 204         static gint *ett[] = {
 205                 &ett_ypbind,
 206         };
 207
 208         proto_ypbind = proto_register_protocol("Yellow Pages Bind",
 209             "YPBIND", "ypbind");
 210         proto_register_field_array(proto_ypbind, hf, array_length(hf));
 211         proto_register_subtree_array(ett, array_length(ett));
 212 }
 213
 214 void
 215 proto_reg_handoff_ypbind(void)
 216 {
 217         /* Register the protocol as RPC */
 218         rpc_init_prog(proto_ypbind, YPBIND_PROGRAM, ett_ypbind);
 219         /* Register the procedure tables */
 220         rpc_init_proc_table(YPBIND_PROGRAM, 1, ypbind1_proc, hf_ypbind_procedure_v1);
 221         rpc_init_proc_table(YPBIND_PROGRAM, 2, ypbind2_proc, hf_ypbind_procedure_v2);
 222 }