/* packet-ypbind.c

 * Routines for ypbind dissection

 *

 * Wireshark - Network traffic analyzer

 * By Gerald Combs <gerald@wireshark.org>

 * Copyright 1998 Gerald Combs

 *

 * Copied from packet-smb.c

 *

 *    2001  Ronnie Sahlberg, added dissectors for the commands

 *

 * SPDX-License-Identifier: GPL-2.0-or-later

 */

#include "config.h"

#include "packet-rpc.h"

#include "packet-ypbind.h"

void proto_register_ypbind(void);

void proto_reg_handoff_ypbind(void);

static int proto_ypbind;

static int hf_ypbind_procedure_v1;

static int hf_ypbind_procedure_v2;

static int hf_ypbind_domain;

static int hf_ypbind_resp_type;

/* static int hf_ypbind_error; */

static int hf_ypbind_addr;

static int hf_ypbind_port;

static int hf_ypbind_setdom_version;

static int ett_ypbind;

static int

dissect_ypbind_domain_v2_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)

{

  /* domain */

  return dissect_rpc_string(tvb, pinfo, tree, hf_ypbind_domain, 0, NULL);

}

#define YPBIND_RESP_TYPE_SUCC_VAL 1

#define YPBIND_RESP_TYPE_FAIL_VAL 2

static const value_string resp_type_vals[] = {

  {YPBIND_RESP_TYPE_SUCC_VAL, "SUCC_VAL"},

  {YPBIND_RESP_TYPE_FAIL_VAL, "FAIL_VAL"},

  {0, NULL}

};

#if 0

#define YPBIND_ERROR_ERR  1

#define YPBIND_ERROR_NOSERV 2

#define YPBIND_ERROR_RESC 3

static const value_string error_vals[] = {

  {YPBIND_ERROR_ERR,  "Internal error"},

  {YPBIND_ERROR_NOSERV, "No bound server for passed domain"},

  {YPBIND_ERROR_RESC, "System resource allocation failure"},

  {0, NULL}

};

#endif

static int

dissect_ypbind_domain_v2_reply(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)

{

  uint32_t type;

  unsigned offset = 0;

  /* response type */

  type=tvb_get_ntohl(tvb, offset);

  offset = dissect_rpc_uint32(tvb, tree, hf_ypbind_resp_type, offset);

  switch(type){

  case YPBIND_RESP_TYPE_SUCC_VAL:

    /* ip address */

    proto_tree_add_item(tree, hf_ypbind_addr,

      tvb, offset, 4, ENC_BIG_ENDIAN);

    offset += 4;

    /* port */

    offset = dissect_rpc_uint32(tvb, tree,

        hf_ypbind_port, offset);

    break;

  case YPBIND_RESP_TYPE_FAIL_VAL:

    /* error */

    offset = dissect_rpc_uint32(tvb, tree,

        hf_ypbind_resp_type, offset);

    break;

  }

  return offset;

}

static int

dissect_ypbind_setdomain_v2_request(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)

{

  unsigned offset = 0;

  /* domain */

  offset = dissect_rpc_string(tvb, pinfo, tree,

      hf_ypbind_domain, offset, NULL);

  /* ip address */

  proto_tree_add_item(tree, hf_ypbind_addr,

    tvb, offset, 4, ENC_BIG_ENDIAN);

  offset += 4;

  /* port */

  offset = dissect_rpc_uint32(tvb, tree,

      hf_ypbind_port, offset);

  /* version */

  offset = dissect_rpc_uint32(tvb, tree,

      hf_ypbind_setdom_version, offset);

  return offset;

}

/* proc number, "proc name", dissect_request, dissect_reply */

static const vsff ypbind1_proc[] = {

  { YPBINDPROC_NULL,  "NULL",

    dissect_rpc_void, dissect_rpc_void },

  { YPBINDPROC_DOMAIN,  "DOMAIN", dissect_rpc_unknown,  dissect_rpc_unknown },

  { YPBINDPROC_SETDOM,  "SETDOMAIN",  dissect_rpc_unknown,  dissect_rpc_unknown },

  { 0,      NULL,   NULL, NULL }

};

static const value_string ypbind_proc_vals[] = {

  { YPBINDPROC_NULL,  "NULL" },

  { YPBINDPROC_DOMAIN,  "DOMAIN" },

  { YPBINDPROC_SETDOM,  "SETDOMAIN" },

  { 0,  NULL }

};

/* end of YPBind version 1 */

static const vsff ypbind2_proc[] = {

  { YPBINDPROC_NULL,  "NULL",

    dissect_rpc_void, dissect_rpc_void },

  { YPBINDPROC_DOMAIN,  "DOMAIN",

    dissect_ypbind_domain_v2_request, dissect_ypbind_domain_v2_reply},

  { YPBINDPROC_SETDOM,  "SETDOMAIN",

    dissect_ypbind_setdomain_v2_request, dissect_rpc_void },

  { 0,        NULL,         NULL, NULL }

};

/* end of YPBind version 2 */

static const rpc_prog_vers_info ypbind_vers_info[] = {

  { 1, ypbind1_proc, &hf_ypbind_procedure_v1 },

  { 2, ypbind2_proc, &hf_ypbind_procedure_v2 },

};

void

proto_register_ypbind(void)

{

  static hf_register_info hf[] = {

    { &hf_ypbind_procedure_v1, {

      "V1 Procedure", "ypbind.procedure_v1", FT_UINT32, BASE_DEC,

      VALS(ypbind_proc_vals), 0, NULL, HFILL }},

    { &hf_ypbind_procedure_v2, {

      "V2 Procedure", "ypbind.procedure_v2", FT_UINT32, BASE_DEC,

      VALS(ypbind_proc_vals), 0, NULL, HFILL }},

    { &hf_ypbind_domain, {

      "Domain", "ypbind.domain", FT_STRING, BASE_NONE,

      NULL, 0, "Name of the NIS/YP Domain", HFILL }},

    { &hf_ypbind_resp_type, {

      "Response Type", "ypbind.resp_type", FT_UINT32, BASE_DEC,

      VALS(resp_type_vals), 0, NULL, HFILL }},

#if 0

    { &hf_ypbind_error, {

      "Error", "ypbind.error", FT_UINT32, BASE_DEC,

      VALS(error_vals), 0, "YPBIND Error code", HFILL }},

#endif

    { &hf_ypbind_addr, {

      "IP Addr", "ypbind.addr", FT_IPv4, BASE_NONE,

      NULL, 0, "IP Address of server", HFILL }},

    { &hf_ypbind_port, {

      "Port", "ypbind.port", FT_UINT32, BASE_DEC,

      NULL, 0, "Port to use", HFILL }},

    { &hf_ypbind_setdom_version, {

      "Version", "ypbind.setdom.version", FT_UINT32, BASE_DEC,

      NULL, 0, "Version of setdom", HFILL }},

  };

  static int *ett[] = {

    &ett_ypbind,

  };

  proto_ypbind = proto_register_protocol("Yellow Pages Bind",

      "YPBIND", "ypbind");

  proto_register_field_array(proto_ypbind, hf, array_length(hf));

  proto_register_subtree_array(ett, array_length(ett));

}

void

proto_reg_handoff_ypbind(void)

{

  /* Register the protocol as RPC */

  rpc_init_prog(proto_ypbind, YPBIND_PROGRAM, ett_ypbind,

      G_N_ELEMENTS(ypbind_vers_info), ypbind_vers_info);

}

/*

 * Editor modelines  -  https://www.wireshark.org/tools/modelines.html

 *

 * Local variables:

 * c-basic-offset: 8

 * tab-width: 8

 * indent-tabs-mode: t

 * End:

 *

 * vi: set shiftwidth=8 tabstop=8 noexpandtab:

 * :indentSize=8:tabSize=8:noTabs=false:

 */