epan/dissectors/packet-yppasswd.c

   1 /* packet-yppasswd.c
   2  * Routines for yppasswd dissection
   3  *
   4  * Wireshark - Network traffic analyzer
   5  * By Gerald Combs <gerald@wireshark.org>
   6  * Copyright 1998 Gerald Combs
   7  *
   8  * SPDX-License-Identifier: GPL-2.0-or-later
   9  */
  10
  11 #include "config.h"
  12
  13 #include "packet-rpc.h"
  14 #include "packet-yppasswd.h"
  15
  16 void proto_register_yppasswd(void);
  17 void proto_reg_handoff_yppasswd(void);
  18
  19 static int proto_yppasswd;
  20 static int hf_yppasswd_procedure_v1;
  21 static int hf_yppasswd_status;
  22 static int hf_yppasswd_oldpass;
  23 static int hf_yppasswd_newpw;
  24 static int hf_yppasswd_newpw_name;
  25 static int hf_yppasswd_newpw_passwd;
  26 static int hf_yppasswd_newpw_uid;
  27 static int hf_yppasswd_newpw_gid;
  28 static int hf_yppasswd_newpw_gecos;
  29 static int hf_yppasswd_newpw_dir;
  30 static int hf_yppasswd_newpw_shell;
  31
  32 static int ett_yppasswd;
  33 static int ett_yppasswd_newpw;
  34
  35 static int
  36 dissect_yppasswd_call(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
  37 {
  38         proto_item *lock_item = NULL;
  39         proto_tree *lock_tree = NULL;
  40         int offset = 0;
  41
  42         offset = dissect_rpc_string(tvb, tree, hf_yppasswd_oldpass,
  43                         offset, NULL);
  44
  45         lock_item = proto_tree_add_item(tree, hf_yppasswd_newpw, tvb,
  46                         offset, -1, ENC_NA);
  47
  48         lock_tree = proto_item_add_subtree(lock_item, ett_yppasswd_newpw);
  49
  50         offset = dissect_rpc_string(tvb, lock_tree,
  51                         hf_yppasswd_newpw_name, offset, NULL);
  52         offset = dissect_rpc_string(tvb, lock_tree,
  53                         hf_yppasswd_newpw_passwd, offset, NULL);
  54         offset = dissect_rpc_uint32(tvb, lock_tree,
  55                         hf_yppasswd_newpw_uid, offset);
  56         offset = dissect_rpc_uint32(tvb, lock_tree,
  57                         hf_yppasswd_newpw_gid, offset);
  58         offset = dissect_rpc_string(tvb, lock_tree,
  59                         hf_yppasswd_newpw_gecos, offset, NULL);
  60         offset = dissect_rpc_string(tvb, lock_tree,
  61                         hf_yppasswd_newpw_dir, offset, NULL);
  62         offset = dissect_rpc_string(tvb, lock_tree,
  63                         hf_yppasswd_newpw_shell, offset, NULL);
  64
  65         return offset;
  66 }
  67
  68 static int
  69 dissect_yppasswd_reply(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
  70 {
  71         return dissect_rpc_uint32(tvb, tree, hf_yppasswd_status, 0);
  72 }
  73
  74 /* proc number, "proc name", dissect_request, dissect_reply */
  75 static const vsff yppasswd1_proc[] = {
  76         { YPPASSWDPROC_NULL,    "NULL",
  77                 dissect_rpc_void,       dissect_rpc_void },
  78         { YPPASSWDPROC_UPDATE,  "UPDATE",
  79                 dissect_yppasswd_call,  dissect_yppasswd_reply },
  80         { 0,    NULL,           NULL,                           NULL }
  81 };
  82 static const value_string yppasswd1_proc_vals[] = {
  83         { YPPASSWDPROC_NULL,    "NULL" },
  84         { YPPASSWDPROC_UPDATE,  "UPDATE" },
  85         { 0,    NULL }
  86 };
  87
  88 static const rpc_prog_vers_info yppasswd_vers_info[] = {
  89         { 1, yppasswd1_proc, &hf_yppasswd_procedure_v1 },
  90 };
  91
  92 void
  93 proto_register_yppasswd(void)
  94 {
  95         static hf_register_info hf[] = {
  96                 { &hf_yppasswd_procedure_v1, {
  97                         "V1 Procedure", "yppasswd.procedure_v1", FT_UINT32, BASE_DEC,
  98                         VALS(yppasswd1_proc_vals), 0, NULL, HFILL }},
  99                 { &hf_yppasswd_status, {
 100                         "status", "yppasswd.status", FT_UINT32, BASE_DEC,
 101                         NULL, 0, "YPPasswd update status", HFILL }},
 102
 103                 { &hf_yppasswd_oldpass, {
 104                         "oldpass", "yppasswd.oldpass", FT_STRING, BASE_NONE,
 105                         NULL, 0, "Old encrypted password", HFILL }},
 106
 107                 { &hf_yppasswd_newpw, {
 108                         "newpw", "yppasswd.newpw", FT_NONE, BASE_NONE,
 109                         NULL, 0, "New passwd entry", HFILL }},
 110
 111                 { &hf_yppasswd_newpw_name, {
 112                         "name", "yppasswd.newpw.name", FT_STRING, BASE_NONE,
 113                         NULL, 0, "Username", HFILL }},
 114
 115                 { &hf_yppasswd_newpw_passwd, {
 116                         "passwd", "yppasswd.newpw.passwd", FT_STRING, BASE_NONE,
 117                         NULL, 0, "Encrypted passwd", HFILL }},
 118
 119                 { &hf_yppasswd_newpw_uid, {
 120                         "uid", "yppasswd.newpw.uid", FT_UINT32, BASE_DEC,
 121                         NULL, 0, "UserID", HFILL }},
 122
 123                 { &hf_yppasswd_newpw_gid, {
 124                         "gid", "yppasswd.newpw.gid", FT_UINT32, BASE_DEC,
 125                         NULL, 0, "GroupID", HFILL }},
 126
 127                 { &hf_yppasswd_newpw_gecos, {
 128                         "gecos", "yppasswd.newpw.gecos", FT_STRING, BASE_NONE,
 129                         NULL, 0, "In real life name", HFILL }},
 130
 131                 { &hf_yppasswd_newpw_dir, {
 132                         "dir", "yppasswd.newpw.dir", FT_STRING, BASE_NONE,
 133                         NULL, 0, "Home Directory", HFILL }},
 134
 135                 { &hf_yppasswd_newpw_shell, {
 136                         "shell", "yppasswd.newpw.shell", FT_STRING, BASE_NONE,
 137                         NULL, 0, "Default shell", HFILL }},
 138
 139         };
 140
 141         static int *ett[] = {
 142                 &ett_yppasswd,
 143                 &ett_yppasswd_newpw,
 144         };
 145
 146         proto_yppasswd = proto_register_protocol("Yellow Pages Passwd",
 147             "YPPASSWD", "yppasswd");
 148         proto_register_field_array(proto_yppasswd, hf, array_length(hf));
 149         proto_register_subtree_array(ett, array_length(ett));
 150 }
 151
 152 void
 153 proto_reg_handoff_yppasswd(void)
 154 {
 155         /* Register the protocol as RPC */
 156         rpc_init_prog(proto_yppasswd, YPPASSWD_PROGRAM, ett_yppasswd,
 157             G_N_ELEMENTS(yppasswd_vers_info), yppasswd_vers_info);
 158 }
 159
 160 /*
 161  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
 162  *
 163  * Local variables:
 164  * c-basic-offset: 8
 165  * tab-width: 8
 166  * indent-tabs-mode: t
 167  * End:
 168  *
 169  * vi: set shiftwidth=8 tabstop=8 noexpandtab:
 170  * :indentSize=8:tabSize=8:noTabs=false:
 171  */