release/src/router/bpalogin/bpalogin.h

   1 /*
   2 **    BPALogin - lightweight portable BIDS2 login client
   3 **    Copyright (c) 2001-3 Shane Hyde, and others.
   4 **
   5 **  This program is free software; you can redistribute it and/or modify
   6 **  it under the terms of the GNU General Public License as published by
   7 **  the Free Software Foundation; either version 2 of the License, or
   8 **  (at your option) any later version.
   9 **
  10 **  This program is distributed in the hope that it will be useful,
  11 **  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 **  GNU General Public License for more details.
  14 **
  15 **  You should have received a copy of the GNU General Public License
  16 **  along with this program; if not, write to the Free Software
  17 **  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 **
  19 */
  20
  21 /**
  22  * Changes:
  23  *
  24  * 2001-12-05:  wdrose     Added errno.h to list of UNIX-only includes.
  25  */
  26
  27 #include <stdlib.h>
  28 #include <stdio.h>
  29 #include <stdarg.h>
  30 #include <string.h>
  31
  32 #ifndef _WIN32
  33 #include <unistd.h>
  34 #include <errno.h>
  35 #include <sys/time.h>
  36 #include <sys/socket.h>
  37 #include <netinet/in.h>
  38 #include <netdb.h>
  39 #include <syslog.h>
  40 #include <arpa/inet.h>
  41 #endif
  42
  43 #include <time.h>
  44 #include <signal.h>
  45 #include <sys/types.h>
  46 #include "get_time.h"
  47
  48 #ifdef _WIN32
  49 #include <winsock.h>
  50 #endif
  51
  52 /*
  53 **  Win32 & BeOS use a closesocket call, and unices use a close call, this define fixes this up
  54 */
  55 #ifndef _WIN32
  56 int closesocket(int);
  57 //#define closesocket close
  58 #endif
  59
  60
  61 #ifdef _WIN32
  62 #define NOSYSLOG
  63 #define HAS_VNSPRINTF
  64
  65 #define sleep(x) Sleep((x)*1000)
  66 #endif
  67
  68 /*
  69 ** This is needed for compiling with EMX under OS/2
  70 */
  71 #ifdef __EMX__
  72   #define strcasecmp stricmp
  73 #endif
  74
  75
  76 #define TRUE 1
  77 #define FALSE 0
  78
  79 #define LOGIN_SOFTWARE "bpalogin"
  80 #define LOGIN_VERSION  1
  81
  82 #define MAXUSERNAME 25
  83 #define MAXPASSWORD 25
  84 #define MAXAUTHSERVER 80
  85 #define MAXAUTHDOMAIN 80
  86 #define MAXLOGINPROG 256
  87 #define MAXCONFFILE 256
  88 #define MAXLOCALADDRESS 32
  89 #define MAXDDNSCONFFILE 256
  90
  91 #define DEFAULT_DEBUG         1
  92 #define DEFAULT_AUTHSERVER    "sm-server"
  93 #define DEFAULT_AUTHDOMAIN    ""
  94 #define DEFAULT_AUTHPORT      5050
  95 #define DEFAULT_CONFFILE      "/usr/local/etc/bpalogin.conf"
  96 /*
  97 ** state engine codes
  98 */
  99 #define STATE_NEED_PROTOCOL 0
 100 #define STATE_SEND_PROT_REQ 1
 101 #define STATE_AWAIT_NEG_RESP 2
 102 #define STATE_SEND_LOGIN_REQ 3
 103 #define STATE_AWAIT_LOGIN_AUTH_RESP 4
 104 #define STATE_SEND_LOGIN_AUTH_REQ 5
 105 #define STATE_AWAIT_LOGIN_RESP 6
 106 #define STATE_SEND_LOGOUT_REQ 7
 107 #define STATE_AWAIT_LOGOUT_AUTH_RESP 8
 108 #define STATE_SEND_LOGOUT_AUTH_REQ 9
 109 #define STATE_AWAIT_LOGOUT_RESP 10
 110 #define STATE_IDLE_LOGIN 11
 111 #define STATE_RECEIVED_STATUS_REQ 12
 112 #define STATE_RECEIVED_RESTART_REQ 13
 113 #define STATE_IDLE_LOGOFF 14
 114
 115 /*
 116 ** message type codes
 117 */
 118 #define T_MSG_MIN 1
 119 #define T_MSG_PROTOCOL_NEG_REQ 1
 120 #define T_MSG_PROTOCOL_NEG_RESP 2
 121 #define T_MSG_LOGIN_REQ 3
 122 #define T_MSG_LOGIN_AUTH_REQ 4
 123 #define T_MSG_LOGIN_RESP 5
 124 #define T_MSG_LOGOUT_REQ 6
 125 #define T_MSG_LOGOUT_AUTH_RESP 7
 126 #define T_MSG_LOGOUT_RESP 8
 127 #define T_MSG_AUTH_RESP 9
 128 #define T_MSG_AUTH_REQ 10
 129 #define T_MSG_STATUS_REQ 11
 130 #define T_MSG_STATUS_RESP 12
 131 #define T_MSG_RESTART_REQ 13
 132 #define T_MSG_RESTART_RESP 14
 133 #define T_MSG_MAX 14
 134
 135 /*
 136 ** message parameter codes
 137 */
 138 #define T_PARAM_MIN 1
 139 #define T_PARAM_PROTOCOL_LIST 1
 140 #define T_PARAM_PROTOCOL_SELECT 2
 141 #define T_PARAM_CLIENT_VERSION 3
 142 #define T_PARAM_OS_IDENTITY 4
 143 #define T_PARAM_OS_VERSION 5
 144 #define T_PARAM_REASON_CODE 6
 145 #define T_PARAM_USERNAME 7
 146 #define T_PARAM_REQ_PORT 8
 147 #define T_PARAM_RESPONSE_TEXT 9
 148 #define T_PARAM_STATUS_CODE 10
 149 #define T_PARAM_AUTH_CREDENTIALS 11
 150 #define T_PARAM_NONCE 12
 151 #define T_PARAM_SEQNUM 13
 152 #define T_PARAM_HASH_METHOD 14
 153 #define T_PARAM_LOGIN_SERVICE_PORT 15
 154 #define T_PARAM_LOGOUT_SERVICE_PORT 16
 155 #define T_PARAM_STATUS_SERVICE_PORT 17
 156 #define T_PARAM_SUSPEND_IND 18
 157 #define T_PARAM_STATUS_AUTH 19
 158 #define T_PARAM_RESTART_AUTH 20
 159 #define T_PARAM_TIMESTAMP 21
 160 #define T_PARAM_TSMLIST 22
 161 #define T_PARAM_LOGIN_PARAM_HASH 23
 162 #define T_PARAM_LOGIN_SERVER_HOST 24
 163 #define T_PARAM_MAX 24
 164
 165 /*
 166 ** login reason codes
 167 */
 168 #define T_LOGIN_REASON_CODE_NORMAL 0
 169 #define T_LOGIN_REASON_CODE_REAUTH 1
 170
 171 /*
 172 ** logout reason codes
 173 */
 174 #define T_LOGOUT_REASON_CODE_USER_INITIATED 0
 175 #define T_LOGOUT_REASON_CODE_APP_SHUTDOWN 1
 176 #define T_LOGOUT_REASON_CODE_OS_SHUTDOWN 2
 177 #define T_LOGOUT_REASON_CODE_UNKNOWN 3
 178
 179 /*
 180 ** client status transaction codes
 181 */
 182 #define T_STATUS_TRANSACTION_OK 0
 183
 184 /*
 185 ** restart reasons
 186 */
 187 #define T_RESTART_ADMIN 0
 188
 189 /*
 190 ** auth responses
 191 */
 192 #define T_AUTH_NOHASH 0
 193 #define T_AUTH_MD5_HASH 1
 194
 195 /*
 196 ** protocol types
 197 */
 198 #define T_PROTOCOL_CHAL 1
 199
 200 /*
 201 ** status return codes
 202 */
 203 #define T_STATUS_SUCCESS 0
 204 #define T_STATUS_USERNAME_NOT_FOUND 1
 205 #define T_STATUS_INCORRECT_PASSWORD 2
 206 #define T_STATUS_ACCOUNT_DISABLED 3
 207 #define T_STATUS_USER_DISABLED 4
 208 #define T_STATUS_LOGIN_SUCCESSFUL_ALREADY_LOGGED_IN 100
 209 #define T_STATUS_LOGIN_RETRY_LIMIT 101
 210 #define T_STATUS_LOGIN_SUCCESSFUL_SWVER 102
 211 #define T_STATUS_LOGIN_FAIL_SW 103
 212 #define T_STATUS_LOGOUT_SUCCESSFUL_ALREADY_DISCONNECTED 200
 213 #define T_STATUS_LOGOUT_AUTH_RETRY_LIMIT 201
 214 #define T_STATUS_LOGIN_SUCCESS_SWVER 300
 215 #define T_STATUS_LOGIN_FAIL_SWVER 301
 216 #define T_STATUS_LOGIN_FAIL_INV_PROT 302
 217 #define T_STATUS_LOGIN_UNKNOWN 500
 218 #define T_STATUS_FAIL_USERNAME_VALIDATE 501
 219 #define T_STATUS_FAIL_PASSWORD_VALIDATE 502
 220
 221 typedef unsigned short INT2;
 222 typedef unsigned int INT4;
 223
 224 struct transaction
 225 {
 226     char data[1512];
 227     int length;
 228 };
 229
 230 /*
 231 **  This structure holds all information necessary to connect/disconnect
 232 */
 233 struct session
 234 {
 235     /*
 236     **  Control paramters
 237     */
 238     char username[MAXUSERNAME];
 239     char password[MAXPASSWORD];
 240     char authserver[MAXAUTHSERVER];
 241     char authdomain[MAXAUTHDOMAIN];
 242     unsigned short authport;
 243     char connectedprog[MAXLOGINPROG];
 244     char disconnectedprog[MAXLOGINPROG];
 245     void * pUserData;
 246     int shutdown;
 247     char localaddress[MAXLOCALADDRESS];
 248     unsigned short localport;
 249     int minheartbeat, maxheartbeat;
 250
 251     /*
 252     **  Callback functions
 253     */
 254     void (*debug)(int,char *,...);
 255     void (*critical)(char *);
 256     void (*noncritical)(char *,...);
 257     void (*onconnected)(int listenport);
 258     void (*ondisconnected)(int reason);
 259
 260     /*
 261     **  Internal data
 262     */
 263     INT4 sessionid;
 264     INT2 listenport;
 265     struct sockaddr_in authhost;
 266     char osname[80];
 267     char osrelease[80];
 268     int listensock;
 269     struct sockaddr_in localaddr;
 270     struct sockaddr_in localipaddress;
 271
 272     INT2 protocol;
 273     INT2 loginserviceport;
 274     char loginserverhost[128];
 275     INT2 hashmethod;
 276     char nonce[17];
 277     INT2 retcode;
 278     INT2 logoutport;
 279     INT2 statusport;
 280     char tsmlist[512];
 281     char tsmlist_s[512][20];
 282     struct sockaddr_in tsmlist_in[20];
 283     int tsmcount;
 284     char resptext[512];
 285     INT4 timestamp;
 286
 287     time_t lastheartbeat;
 288     int recenthb;
 289     INT4 sequence;
 290     struct sockaddr_in fromaddr;
 291 };
 292
 293 /*
 294 **  Prototypes
 295 */
 296 int mainloop(struct session *);
 297 int handle_heartbeats(struct session *);
 298
 299 void start_transaction(struct transaction * t,INT2 msgtype,INT4 sessionid);
 300 void send_transaction(struct session *s,int socket,struct transaction * t);
 301 INT2 receive_transaction(struct session *s,int socket,struct transaction * t);
 302 INT2 receive_udp_transaction(struct session *s,int socket,struct transaction * t,struct sockaddr_in *addr);
 303 void send_udp_transaction(struct session * s,struct transaction * t);
 304
 305 int  extract_valueINT2(struct session *s,struct transaction * t,INT2 parm,INT2 *v);
 306 int  extract_valueINT4(struct session *s,struct transaction *,INT2,INT4 *);
 307 int  extract_valuestring(struct session *s,struct transaction *,INT2,char *);
 308
 309 void add_field_string(struct session *s,struct transaction * t,INT2 fn,char * p);
 310 void add_field_data(struct session *s,struct transaction * t,INT2 fn,char * p,int c);
 311 void add_field_INT2(struct session *s,struct transaction * t,INT2 fn,INT2 v);
 312 void add_field_INT4(struct session *s,struct transaction * t,INT2 fn,INT4 v);
 313
 314 int  login(struct session *);
 315 int  logout(INT2,struct session *);
 316
 317 INT2 read_INT2(void *);
 318 INT4 read_INT4(void *);
 319
 320 void socketerror(struct session *,const char *);
 321
 322 extern int test_connect_success;
 323