usr.sbin/i4b/isdnd/isdnd.h

   1 /*
   2  * Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  *
  25  *---------------------------------------------------------------------------
  26  *
  27  *      i4b daemon - main header file
  28  *      -----------------------------
  29  *
  30  * $FreeBSD: src/usr.sbin/i4b/isdnd/isdnd.h,v 1.6.2.5 2002/04/24 18:50:07 joerg Exp $
  31  * $DragonFly: src/usr.sbin/i4b/isdnd/isdnd.h,v 1.3 2003/08/08 06:18:45 dillon Exp $
  32  *
  33  *      last edit-date: [Mon Dec 31 12:42:58 2001]
  34  *
  35  *---------------------------------------------------------------------------*/
  36
  37 #ifndef _ISDND_H_
  38 #define _ISDND_H_
  39
  40 #include <stdio.h>
  41 #include <stdlib.h>
  42 #include <stdarg.h>
  43 #include <unistd.h>
  44 #include <strings.h>
  45 #include <string.h>
  46 #include <ctype.h>
  47 #include <syslog.h>
  48 #include <regex.h>
  49 #include <time.h>
  50 #include <errno.h>
  51
  52 #ifdef USE_CURSES
  53 #include <curses.h>
  54 #endif
  55
  56 #include <fcntl.h>
  57 #include <errno.h>
  58 #include <signal.h>
  59
  60 #include <sys/queue.h>  /* TAILQ_ macros */
  61 #include <sys/param.h>
  62 #include <sys/stat.h>
  63 #include <sys/time.h>
  64 #include <sys/types.h>
  65 #include <sys/ioctl.h>
  66
  67 #ifdef USE_RTPRIO
  68 #include <sys/rtprio.h>
  69 #endif
  70
  71 #include <net/sppp/if_sppp.h>
  72
  73 #include <i4b_machine/i4b_ioctl.h>
  74 #include <i4b_machine/i4b_cause.h>
  75
  76 #include "config.h"             /* compile time configuration   */
  77 #include "pathnames.h"          /* location of files            */
  78 #include "alias.h"              /* alias file processing        */
  79
  80 /*---------------------------------------------------------------------------*
  81  *      some general definitions
  82  *---------------------------------------------------------------------------*/
  83 #define GOOD    0               /* general "good" or "ok" return*/
  84 #define ERROR   (-1)            /* general error return         */
  85 #define WARNING (-2)            /* warning return               */
  86 #define INVALID (-1)            /* an invalid integer           */
  87
  88 /*---------------------------------------------------------------------------*
  89  *      misc
  90  *---------------------------------------------------------------------------*/
  91 #define RTPRIO_NOTUSED (-1)     /* rtprio is not used for isdnd */
  92
  93 /*---------------------------------------------------------------------------*
  94  *      debug flag bits
  95  *---------------------------------------------------------------------------*/
  96 #define DL_MSG          0x0001  /* general debug messages               */
  97 #define DL_RATES        0x0002  /* messages related to rates            */
  98 #define DL_TIME         0x0004  /* messages related to timing           */
  99 #define DL_STATE        0x0008  /* messages related to states changes   */
 100 #define DL_RCVRY        0x0010  /* messages related to dial recovery    */
 101 #define DL_DIAL         0x0020  /* messages related to dial recovery    */
 102 #define DL_PROC         0x0040  /* messages related to process handling */
 103 #define DL_DRVR         0x0080  /* messages related to kernel i4b msg i/o*/
 104 #define DL_CNST         0x0100  /* messages related to controller state */
 105 #define DL_RCCF         0x0200  /* messages related to isdnd.rc at boot */
 106 #define DL_BDGT         0x0400  /* messages related to budgets          */
 107 #define DL_VALID        0x0800  /* messages related to valid keyword    */
 108
 109 #ifdef DEBUG
 110 #define DBGL(cond, dolog) if(cond & debug_flags) dolog
 111 #else
 112 #define DBGL(cond, dolog)
 113 #endif
 114
 115 /*---------------------------------------------------------------------------*
 116  *      curses fullscreen display definitions
 117  *---------------------------------------------------------------------------*/
 118
 119 /* window dimensions */
 120 #define UPPER_B         2               /* upper window start  */
 121
 122 /* horizontal positions for upper window */
 123 #define H_CNTL          0               /* controller           */
 124 #define H_TEI           2               /* TEI                  */
 125 #define H_CHAN          (H_TEI+4)       /* channel              */
 126 #define H_TELN          (H_CHAN+2)      /* telephone number     */
 127 #define H_IFN           (H_TELN+23)     /* interfacename        */
 128 #define H_IO            (H_IFN+7)       /* incoming or outgoing */
 129 #define H_OUT           (H_IO+4)        /* # of bytes out       */
 130 #define H_OUTBPS        (H_OUT+11)      /* bytes per second out */
 131 #define H_IN            (H_OUTBPS+5)    /* # of bytes in        */
 132 #define H_INBPS         (H_IN+11)       /* bytes per second in  */
 133 #define H_UNITS         (H_INBPS+6)     /* # of charging units  */
 134
 135 /* fullscreen mode menu window */
 136 #define WMENU_LEN       35              /* width of menu window */
 137 #define WMENU_TITLE     "Command"       /* title string */
 138 #define WMENU_POSLN     10              /* menu position, line */
 139 #define WMENU_POSCO     5               /* menu position, col */
 140 #define WMITEMS         6               /* no of menu items */
 141 #define WMENU_HGT       (WMITEMS + 4)   /* menu window height */
 142
 143 #define WREFRESH        0
 144 #define WHANGUP         1
 145 #define WREREAD         2
 146 #define WSHOW           3
 147 #define WBUDGET         4
 148 #define WQUIT           5
 149
 150 #define WMTIMEOUT       5               /* timeout in seconds */
 151
 152 /*---------------------------------------------------------------------------*
 153  *      charging rates
 154  *---------------------------------------------------------------------------*/
 155 #define NDAYS   7       /* number of days in a week             */
 156 #define NRATES  4       /* number of rate structures supported  */
 157
 158 /* struct for rates - each day has one or more */
 159 struct rates
 160 {
 161         int start_time; /* hour and min at which this rate starts, e.g. 12:20 12*60+20*/
 162         int end_time;   /* hour and min at which this rate ends, e.g. 19:10 19*60+10*/
 163         int rate;       /* how long can I telephone at this price, seconds */
 164         struct rates *next;
 165 };
 166
 167 /*---------------------------------------------------------------------------*
 168  * the internal identifiers for isdnd log levels. CAUTION: this has to stay
 169  * in sync with the loglevel to text and sysloglevel table in log.c !!
 170  *---------------------------------------------------------------------------*/
 171 enum logids
 172 {
 173         LL_ERR, /* error conditions - everything which caused an error  */
 174         LL_WRN, /* warning conditions - nonfatal abnormal conditions    */
 175         LL_DMN, /* normal but significant condition - status of daemon  */
 176         LL_CHD, /* informational - everything regarding call handling   */
 177         LL_DBG, /* debug messages - everything which helps debugging    */
 178         LL_MER, /* monitor error messages - not sent to remote          */
 179         LL_PKT  /* packet logging - log the first few packets           */
 180 };
 181
 182 /*---------------------------------------------------------------------------*
 183  *      state machine events
 184  *---------------------------------------------------------------------------*/
 185 enum events
 186 {
 187         /* incoming messages */
 188
 189         EV_MCI,         /* MSG_CONNECT_IND */
 190         EV_MCAI,        /* MSG_CONNECT_ACTIVE_IND */
 191         EV_MDI,         /* MSG_DISCONNECT_IND */
 192         EV_MDO,         /* MSG_DIALOUT */
 193
 194         /* local requests */
 195
 196         EV_TIMO,        /* timer expired */
 197         EV_DRQ,         /* disconnect request */
 198         EV_CBRQ,        /* callback request */
 199         EV_ALRT,        /* alerting request */
 200
 201         /* illegal */
 202
 203         EV_ILL          /* illegal event */
 204 };
 205
 206 #define N_EVENTS (EV_ILL+1)     /* no of possible events */
 207
 208 /*---------------------------------------------------------------------------*
 209  *      this struct describes the numbers to try to dial out
 210  *---------------------------------------------------------------------------*/
 211 typedef struct {
 212         char number[TELNO_MAX]; /* remote number to dial        */
 213         int  flag;              /* usage flag                   */
 214 #define RNF_IDLE        0
 215 #define RNF_SUCC        1       /* last dial was ok */
 216 } remote_number_t;
 217
 218 /*---------------------------------------------------------------------------*
 219  *      this struct describes numbers allowed to dial in
 220  *---------------------------------------------------------------------------*/
 221 typedef struct {
 222         char number[TELNO_MAX]; /* calling party number         */
 223 } incoming_number_t;
 224
 225 /*---------------------------------------------------------------------------*
 226  *      this structure describes a prematurely aborted called-back dialout
 227  *---------------------------------------------------------------------------*/
 228 typedef struct {
 229         int cdid;               /* call handle */
 230         int controller;         /* the controller used to dial out */
 231         int channel;            /* the channel assigned to the outgoing call */
 232         /* XXX - timeout handling and error recovery? */
 233 } phantom_t;
 234
 235 /*---------------------------------------------------------------------------*
 236  *      this struct describes one complete configuration entry
 237  *---------------------------------------------------------------------------*/
 238 typedef struct cfg_entry {
 239
 240         /* ====== filled in at startup configuration, then static ===========*/
 241
 242         char name[32];                  /* id for this entry */
 243
 244         int isdncontroller;             /* controller to use 0 ... n */
 245         int isdnchannel;                /* channel to use */
 246
 247         int isdntxdelin;                /* tx delay, incoming connections */
 248         int isdntxdelout;               /* tx delay, outgoing connections */
 249
 250         int usrdevicename;              /* userland device to use */
 251         int usrdeviceunit;              /* userland unit to use */
 252
 253         int remote_numbers_count;       /* number of remote numbers     */
 254 #define MAXRNUMBERS 8                   /* max remote numbers           */
 255
 256         remote_number_t remote_numbers[MAXRNUMBERS];    /* remote numbers to dial */
 257
 258         int remote_numbers_handling;    /* how to handle the remote dialing */
 259 #define RNH_NEXT        0       /* use next number after last successfull   */
 260 #define RNH_LAST        1       /* use last successfull for next call       */
 261 #define RNH_FIRST       2       /* always use first number for next call    */
 262
 263         char local_phone_dialout[TELNO_MAX];    /* our number to tell remote*/
 264         char local_phone_incoming[TELNO_MAX];   /* answer calls for this local number */
 265
 266 #define MAX_INCOMING    8
 267         int incoming_numbers_count;     /* number of incoming allowed numbers */
 268         incoming_number_t remote_phone_incoming[MAX_INCOMING];  /* answer calls from this remote machine */
 269
 270         int dialin_reaction;            /* what to do with incoming calls */
 271 #define REACT_ACCEPT     0
 272 #define REACT_REJECT     1
 273 #define REACT_IGNORE     2
 274 #define REACT_ANSWER     3
 275 #define REACT_CALLBACK   4
 276
 277         int b1protocol;                 /* hdlc / raw */
 278
 279         int idle_time_in;               /* max idle time incoming calls */
 280         int idle_time_out;              /* max idle time outgoing calls */
 281
 282         int shorthold_algorithm;        /* shorthold algorithm          */
 283
 284         int unitlength;                 /* length of a charging unit    */
 285 #define UNITLENGTH_DEFAULT      60      /* last resort unit length      */
 286
 287         int earlyhangup;                /* time in seconds to hangup    */
 288                                         /* before the next expected     */
 289                                         /* charging unit                */
 290 #define EARLYHANGUP_DEFAULT     5
 291
 292         int ratetype;                   /* type of rate */
 293 #define NO_RATE         (NRATES+1)
 294 #define INVALID_RATE    (-1)
 295
 296         int  unitlengthsrc;     /* where we get the unit length from    */
 297 #define ULSRC_NONE      0               /* nowhere specified            */
 298 #define ULSRC_CMDL      1               /* specified on commandline     */
 299 #define   ULSRC_CMDLMIN 5               /* minimum value from cmdl      */
 300 #define   ULSRC_CMDLMAX 3600            /* minimum value from cmdl      */
 301 #define ULSRC_CONF      2               /* get it from config file      */
 302 #define ULSRC_RATE      3               /* get it dynamic from ratesfile*/
 303 #define ULSRC_DYN       4               /* dynamic calculated from AOCD */
 304
 305         char *answerprog;               /* program to use for answering */
 306         char *connectprog;      /* program run after negotiation finished */
 307         char *disconnectprog;   /* program run after shutdown is complete */
 308
 309         int  callbackwait;              /* time to wait before calling back */
 310 #define CALLBACKWAIT_MIN        1
 311
 312         int  calledbackwait;            /* time to wait for remote callback */
 313 #define CALLEDBACKWAIT_MIN      2
 314
 315         int  dialretries;               /* no. of dial tries            */
 316 #define DIALRETRIES_DEF         1
 317
 318         int  recoverytime;              /* time between 2 dial tries    */
 319 #define RECOVERYTIME_MIN        1
 320
 321         int  dialrandincr;              /* use random dial time incr    */
 322
 323         int  usedown;                   /* set interface down yes/no    */
 324         int  downtries;                 /* retries before i/f is set down */
 325 #define DOWN_TRIES_MIN 2
 326 #define DOWN_TRIES_MAX 20
 327         int  downtime;                  /* time i/f is down             */
 328 #define DOWN_TIME_MIN 10        /* 10 seconds */
 329 #define DOWN_TIME_MAX 3600      /* 1 hour */
 330
 331         int  dialouttype;               /* type of outgoing connection  */
 332 #define DIALOUT_NORMAL     0            /* normal dialout behaviour     */
 333 #define DIALOUT_CALLEDBACK 1            /* remote is expected to callback */
 334
 335         int     alert;                  /* alert time in sec if nonzero */
 336 #define MINALERT 5                      /* 5 secs min                   */
 337 #define MAXALERT (3*60)                 /* 3 minutes max                */
 338
 339         int     inout;                  /* in/out, in-only or out-only  */
 340 #define DIR_INOUT       0
 341 #define DIR_INONLY      1
 342 #define DIR_OUTONLY     2
 343
 344         int     budget_callbackperiod;  /* length of a budget period (s)*/
 345         int     budget_callbackncalls;  /* call budget for a period     */
 346         char    *budget_callbacks_file; /* filename to store callback stats */
 347         char    budget_callbacksfile_rotate;
 348
 349         int     budget_calloutperiod;   /* length of a budget period (s)*/
 350         int     budget_calloutncalls;   /* call budget for a period     */
 351         char    *budget_callouts_file;  /* filename to store callout stats */
 352         char    budget_calloutsfile_rotate;
 353
 354         int     ppp_expect_auth;
 355         int     ppp_send_auth;
 356 #define AUTH_UNDEF      0
 357 #define AUTH_NONE       1
 358 #define AUTH_PAP        2
 359 #define AUTH_CHAP       3
 360
 361         int     ppp_auth_flags;
 362 #define AUTH_RECHALLENGE 0x01
 363 #define AUTH_REQUIRED    0x02
 364
 365         char    ppp_expect_name[AUTHNAMELEN];   /* PPP PAP/CHAP login name */
 366         char    ppp_send_name[AUTHNAMELEN];
 367
 368         char    ppp_expect_password[AUTHKEYLEN];
 369         char    ppp_send_password[AUTHKEYLEN];
 370
 371         int     day;                            /* days valid */
 372 #define         SU      0x01
 373 #define         MO      0x02
 374 #define         TU      0x04
 375 #define         WE      0x08
 376 #define         TH      0x10
 377 #define         FR      0x20
 378 #define         SA      0x40
 379 #define         HD      0x80    /* holiday */
 380         int     fromhr;                         /* time valid */
 381         int     frommin;
 382         int     tohr;
 383         int     tomin;
 384
 385         time_t  maxconnecttime;                 /* maximum connection time */
 386
 387 /*===========================================================================*/
 388 /*============ filled in after start, then dynamic ==========================*/
 389 /*===========================================================================*/
 390
 391         int cdid;                       /* cdid for call                */
 392 #define CDID_RESERVED   (-1)
 393
 394         int isdncontrollerused;         /* the one we are using         */
 395         int isdnchannelused;            /* the one we are using         */
 396
 397         int fs_position;                /* fullscreen position          */
 398
 399         int     state;                  /* state of connection          */
 400 #define ST_IDLE         0               /* connection is idle / disconnected  */
 401
 402                 /* normal dial out to remote */
 403 #define ST_DIAL         1               /* dialing                            */
 404 #define ST_DIALRTMRCHD  2               /* wait for dial retry time reached   */
 405 #define ST_DIALRETRY    3               /* last/first dialing failed, retry   */
 406
 407                 /* PCB: passive callback, i'm being called back */
 408 #define ST_PCB_DIAL     4               /* dialing, trigger a callback        */
 409 #define ST_PCB_DIALFAIL 5               /* dialing failed triggering a callbk */
 410 #define ST_PCB_WAITCALL 6               /* waiting for callback from remote   */
 411
 412                 /* ACB: active callback, i'm calling back */
 413 #define ST_ACB_WAITDISC 7               /* got call, wait for disconnect      */
 414 #define ST_ACB_WAITDIAL 8               /* wait until allowed to callback     */
 415 #define ST_ACB_DIAL     9               /* callback to remote                 */
 416 #define ST_ACB_DIALFAIL 10              /* callback to remote failed          */
 417
 418                 /* normal non-dialling states */
 419 #define ST_ACCEPTED     11              /* remote accepted                    */
 420 #define ST_CONNECTED    12              /* connected with remote              */
 421 #define ST_WAITDISCI    13              /* tx disc req, wait for disc ind     */
 422 #define ST_DOWN         14              /* interface is down                  */
 423 #define ST_ALERT        15              /* interface is waiting for alert time*/
 424
 425                 /* illegal and pseudo states */
 426 #define ST_ILL          16              /* illegal state                      */
 427 #define ST_SUSE         17              /* subroutine sets new state          */
 428
 429 #define N_STATES        (ST_ILL+1)      /* max number of states               */
 430
 431         cause_t disc_cause;             /* cause from disconnect */
 432
 433         int local_disconnect;           /* flag, who disconnected */
 434 #define DISCON_LOC      0
 435 #define DISCON_REM      1
 436
 437         int timerval;                   /* value for timer, 0 if inactive */
 438         int timerremain;                /* remaining time       */
 439
 440         int hangup;                     /* flag, hangup connection asap */
 441
 442         char real_phone_incoming[TELNO_MAX]; /* real remote telno in case of wildcard */
 443
 444         int last_remote_number;         /* index of last used dialout number*/
 445
 446         char remote_phone_dialout[TELNO_MAX]; /* used remote number to dial */
 447
 448         int direction;                  /* incoming or outgoing */
 449 #define DIR_IN  0
 450 #define DIR_OUT 1
 451
 452         int charge;                     /* charge in units */
 453         int last_charge;                /* last charge in units */
 454
 455         int inbytes;                    /* # of bytes from remote */
 456         int iinbytes;                   /* # of bytes from remote on the line */
 457         int inbps;                      /* bytes/sec from remote */
 458         int outbytes;                   /* # of bytes to remote */
 459         int ioutbytes;                  /* # of bytes to remote on the line */
 460         int outbps;                     /* bytes/sec to remote */
 461
 462         time_t  connect_time;           /* time connection was established */
 463
 464         time_t aoc_last;                /* last AOCD timestamp          */
 465         time_t aoc_now;                 /* current AOCD timestamp       */
 466         time_t aoc_diff;                /* current unit length          */
 467         time_t aoc_lastdiff;            /* last charge unit length      */
 468         int aoc_valid;                  /* flag: time diff is valid     */
 469 #define AOC_INVALID     0               /* aoc_diff is NOT valid        */
 470 #define AOC_VALID       1               /* aoc_diff is valid            */
 471
 472         time_t  last_dial_time;         /* time of last dialing         */
 473         time_t  last_release_time;      /* time of last hangup          */
 474
 475         int     dial_count;             /* number of dialout tries      */
 476         int     randomtime;             /* random() part of recoverytime*/
 477 #define RANDOM_MASK 0x04                /* bits used from randomtime    */
 478
 479         int     down_retry_count;       /* retry cycle count for usedown*/
 480         time_t  went_down_time;         /* time i/f went down           */
 481         phantom_t saved_call;           /* outgoing call state if called
 482                                            back too early */
 483
 484         int     alert_time;             /* count down of alert time     */
 485         char display[DISPLAY_MAX];
 486
 487         time_t  budget_callbackperiod_time; /* end of current period    */
 488         int     budget_callbackncalls_cnt;  /* amount of calls left     */
 489
 490         int     budget_callback_req;    /* requests                     */
 491         int     budget_callback_done;   /* call done                    */
 492         int     budget_callback_rej;    /* call refused                 */
 493
 494         time_t  budget_calloutperiod_time; /* end of current period     */
 495         int     budget_calloutncalls_cnt;  /* amount of calls left      */
 496
 497         int     budget_callout_req;     /* requests                     */
 498         int     budget_callout_done;    /* call done                    */
 499         int     budget_callout_rej;     /* call refused                 */
 500
 501         int     budget_calltype;        /* type of call                 */
 502 #define BUDGET_TYPE_CBACK 1
 503 #define BUDGET_TYPE_COUT  2
 504
 505         char    keypad[KEYPAD_MAX];     /* keypad string                */
 506 } cfg_entry_t;
 507
 508 /*---------------------------------------------------------------------------*
 509  *      this struct describes state of controller with MAX_BCHAN b channels
 510  *---------------------------------------------------------------------------*/
 511 typedef struct isdn_ctrl_state {
 512         int ctrl_type;                  /* type: active/passive         */
 513         int card_type;                  /* manufacturer (CARD_XXXX)     */
 514         int protocol;                   /* ISDN D-channel protocol      */
 515         char* firmware;                 /* loadable fimrware file name  */
 516
 517         int state;                      /* controller state             */
 518 #define  CTRL_DOWN      0               /* controller inoparable        */
 519 #define  CTRL_UP        1               /* controller may be used       */
 520 #define  MAX_BCHAN      30
 521         int stateb[MAX_BCHAN];          /* b channel state */
 522 #define  CHAN_IDLE      0               /* channel is free for usage    */
 523 #define  CHAN_RUN       1               /* channel is occupied          */
 524         int nbch;                       /* number of b channels */
 525         int freechans;                  /* number of unused channels    */
 526         int tei;                        /* tei or -1 if invalid         */
 527         int l1stat;                     /* layer 1 state                */
 528         int l2stat;                     /* layer 2 state                */
 529 } isdn_ctrl_state_t;
 530
 531 /*---------------------------------------------------------------------------*
 532  *      this struct describes a logging regular expression
 533  *---------------------------------------------------------------------------*/
 534 struct rarr {
 535         int re_flg;             /* valid entry flag */
 536         char *re_expr;          /* plain text expression */
 537         regex_t re;             /* compiled expression */
 538         char *re_prog;          /* the program to be executed */
 539 };
 540
 541 #ifdef I4B_EXTERNAL_MONITOR
 542 /* for each rights entry we keep one of this structures around: */
 543 struct monitor_rights {
 544         TAILQ_ENTRY(monitor_rights) list;       /* a list of this structures */
 545         char name[FILENAME_MAX];        /* net/host spec or filename */
 546         int rights;                     /* bitmask of allowed acces rights */
 547         u_int32_t net;                  /* net/host address (host byte order!) */
 548         u_int32_t mask;                 /* bitmask 1 = network, 0 = host (host byte order!) */
 549         int local;                      /* zero if remote access via tcp/ip */
 550 };
 551 #endif
 552
 553 /*---------------------------------------------------------------------------*
 554  *      global variables, storage allocation
 555  *---------------------------------------------------------------------------*/
 556 #ifdef MAIN
 557
 558 int isdnfd;                                     /* file handle, /dev/i4b */
 559
 560 char mailto[MAXPATHLEN] = "";                   /* panic mail address */
 561 char mailer[MAXPATHLEN] = "";                   /* panic mail address */
 562
 563 char *configfile = CONFIG_FILE_DEF;             /* configuration filename */
 564 int config_error_flag = 0;                      /* error counter */
 565
 566 #ifdef DEBUG
 567 int do_debug = 0;                               /* debug mode flag      */
 568 int debug_flags = 0;                            /* debug options        */
 569 int debug_noscreen = 0;                         /* not on fullscreen    */
 570 #endif
 571
 572 int do_bell = 0;                                /* bell on connect/disconnect */
 573
 574 int do_fork = 1;                                /* run as daemon/foreground */
 575
 576 int do_ttytype = 0;                             /* got new terminal type */
 577 char *ttype = "";                               /* termcap entry name string */
 578
 579 int do_rdev = 0;                                /* redirect output      */
 580 char *rdev = "";                                /* new device string */
 581
 582 int do_print = 0;                               /* config file printout */
 583
 584 int got_unitlen = 0;                            /* flag, got length of a unit */
 585 time_t unit_length;                             /* length of a unit */
 586
 587 cfg_entry_t cfg_entry_tab[CFG_ENTRY_MAX];       /* configuration table */
 588 isdn_ctrl_state_t isdn_ctrl_tab[ISDN_CTRL_MAX]; /* controller states table */
 589
 590 int ncontroller = 0;                            /* # of controllers available */
 591 int nentries = 0;                               /* # of entries in config tab */
 592
 593 int uselogfile = 0;                             /* flag, use a logfile */
 594 char logfile[MAXPATHLEN] = LOG_FILE_DEF;        /* log filename */
 595 FILE *logfp = NULL;                             /* log file pointer */
 596 int logfacility = LOG_LOCAL0;                   /* the syslog facility used */
 597 int nregex = 0;                                 /* number of reg expr */
 598 struct rarr rarr[MAX_RE];                       /* regexpr & progs table */
 599
 600 char ratesfile[MAXPATHLEN] = RATES_FILE_DEF;    /* rates filename */
 601 char *rate_error = NULL;                        /* errorcase: error string */
 602 int got_rate = 0;                               /* flag, ratesfile found */
 603 struct rates *rates[NRATES][NDAYS];             /* the rates structure */
 604
 605 int useacctfile = 0;                            /* flag, write accounting */
 606 char acctfile[MAXPATHLEN] = ACCT_FILE_DEF;      /* accounting  filename */
 607 FILE *acctfp = NULL;                            /* accounting file pointer */
 608 int acct_all = 1;                               /* account all connections */
 609
 610 int aliasing = 0;                               /* enable alias processing */
 611 char aliasfile[MAXPATHLEN] = ALIASFILE;         /* alias file location */
 612
 613 int do_fullscreen = 0;                          /* fullscreen log       */
 614 int curses_ready = 0;                           /* curses initialized */
 615
 616 #ifdef USE_CURSES
 617 WINDOW *upper_w;                /* curses upper window pointer */
 618 WINDOW *mid_w;                  /* curses mid window pointer */
 619 WINDOW *lower_w;                /* curses lower window pointer */
 620 #endif
 621
 622 int rt_prio = RTPRIO_NOTUSED;                   /* realtime priority */
 623
 624 /* monitor via network */
 625
 626 int do_monitor = 0;
 627 int inhibit_monitor = 0;
 628 #ifdef I4B_EXTERNAL_MONITOR
 629 int monitorport = DEF_MONPORT;
 630 #else
 631 int monitorport = -1;
 632 #endif
 633 int accepted = 0;
 634
 635 int isdntime = 0;               /* flag, log time from exchange */
 636 int extcallattr = 0;            /* flag, display extended caller attributes */
 637
 638 char tinainitprog[MAXPATHLEN] = TINA_FILE_DEF;
 639
 640 char rotatesuffix[MAXPATHLEN] = "";
 641
 642 time_t starttime = 0;
 643
 644 char holidayfile[MAXPATHLEN] = HOLIDAY_FILE_DEF; /* holiday filename */
 645
 646 #else /* !MAIN */
 647
 648 int isdnfd;
 649
 650 char mailto[MAXPATHLEN];
 651 char mailer[MAXPATHLEN];
 652
 653 char *configfile;
 654 int config_error_flag;
 655
 656 #ifdef DEBUG
 657 int do_debug;
 658 int debug_flags;
 659 int debug_noscreen;
 660 #endif
 661
 662 int do_bell;
 663
 664 int do_fork;
 665
 666 int do_ttytype;
 667 char *ttype;
 668
 669 int do_rdev;
 670 char *rdev;
 671
 672 int do_print;
 673
 674 int got_unitlen;
 675 time_t unit_length;
 676
 677 cfg_entry_t cfg_entry_tab[CFG_ENTRY_MAX];       /* configuration table */
 678 isdn_ctrl_state_t isdn_ctrl_tab[ISDN_CTRL_MAX]; /* controller states table */
 679
 680 int ncontroller;
 681 int nentries;
 682
 683 int uselogfile;
 684 char logfile[MAXPATHLEN];
 685 FILE *logfp;
 686 int logfacility;
 687 int nregex;
 688 struct rarr rarr[MAX_RE];
 689
 690 char ratesfile[MAXPATHLEN];
 691 char *rate_error;
 692 int got_rate;
 693 struct rates *rates[NRATES][NDAYS];
 694
 695 int useacctfile;
 696 char acctfile[MAXPATHLEN];
 697 FILE *acctfp;
 698 int acct_all;
 699
 700 int aliasing;
 701 char aliasfile[MAXPATHLEN];
 702
 703 int do_fullscreen;
 704 int curses_ready;
 705
 706 #ifdef USE_CURSES
 707 WINDOW *upper_w;
 708 WINDOW *mid_w;
 709 WINDOW *lower_w;
 710 #endif
 711
 712 int rt_prio;
 713
 714 int do_monitor;
 715 int inhibit_monitor;
 716 int monitorport;
 717 int accepted;
 718
 719 int isdntime;
 720 int extcallattr;
 721
 722 char tinainitprog[MAXPATHLEN];
 723
 724 char rotatesuffix[MAXPATHLEN];
 725
 726 time_t starttime;
 727
 728 char holidayfile[MAXPATHLEN];
 729
 730 #endif /* MAIN */
 731
 732 char * bdrivername ( int drivertype );
 733 void cfg_setval ( int keyword );
 734 void check_and_kill ( cfg_entry_t *cep );
 735 void check_pid ( void );
 736 void close_allactive ( void );
 737 void configure ( char *filename, int reread );
 738 void daemonize ( void );
 739 void dialresponse(cfg_entry_t *cep, int dstat);
 740 void display_acct ( cfg_entry_t *cep );
 741 void display_bell ( void );
 742 void display_ccharge ( cfg_entry_t *cep, int units );
 743 void display_chans ( void );
 744 void display_charge ( cfg_entry_t *cep );
 745 void display_connect ( cfg_entry_t *cep );
 746 void display_disconnect ( cfg_entry_t *cep );
 747 void display_l12stat(int controller, int layer, int state);
 748 void display_tei(int controller, int tei);
 749 void display_updown ( cfg_entry_t *cep, int updown );
 750 void do_exit ( int exitval );
 751 void do_menu ( void );
 752 int exec_answer ( cfg_entry_t *cep );
 753 int exec_connect_prog ( cfg_entry_t *cep, const char *prog, int link_down );
 754 pid_t exec_prog ( char *prog, char **arglist );
 755 cfg_entry_t * find_by_device_for_dialout ( int drivertype, int driverunit );
 756 cfg_entry_t *find_by_device_for_dialoutnumber(int drivertype, int driverunit, int cmdlen, char *cmd);
 757 cfg_entry_t *find_by_device_for_keypad(int drivertype, int driverunit, int cmdlen, char *cmd);
 758 cfg_entry_t * find_matching_entry_incoming ( msg_connect_ind_t *mp );
 759 cfg_entry_t * find_active_entry_by_driver ( int drivertype, int driverunit );
 760 void finish_log ( void );
 761 char * getlogdatetime ( void );
 762 int get_cdid ( void );
 763 cfg_entry_t * get_cep_by_cc ( int ctrlr, int chan );
 764 cfg_entry_t * get_cep_by_driver ( int drivertype, int driverunit );
 765 cfg_entry_t * get_cep_by_cdid ( int cdid );
 766 int get_current_rate ( cfg_entry_t *cep, int logit );
 767 void handle_charge ( cfg_entry_t *cep );
 768 void handle_recovery ( void );
 769 void handle_scrprs(int cdid, int scr, int prs, char *caller);
 770 void if_up(cfg_entry_t *cep);
 771 void if_down(cfg_entry_t *cep);
 772 void init_controller ( void );
 773 void init_controller_protocol ( void );
 774 void init_log ( void );
 775 void init_screen ( void );
 776 void log ( int what, const char *fmt, ... );
 777 int main ( int argc, char **argv );
 778 void msg_accounting ( msg_accounting_ind_t *mp );
 779 void msg_alert_ind ( msg_alert_ind_t *mp );
 780 void msg_charging_ind ( msg_charging_ind_t *mp );
 781 void msg_connect_active_ind ( msg_connect_active_ind_t *mp );
 782 void msg_connect_ind ( msg_connect_ind_t *mp );
 783 void msg_pdeact_ind(msg_pdeact_ind_t *md);
 784 void msg_negcomplete_ind(msg_negcomplete_ind_t *ind);
 785 void msg_ifstatechg_ind(msg_ifstatechg_ind_t *ind);
 786 void msg_drvrdisc_req(msg_drvrdisc_req_t *mp);
 787 void msg_dialout ( msg_dialout_ind_t *mp );
 788 void msg_dialoutnumber(msg_dialoutnumber_ind_t *mp);
 789 void msg_disconnect_ind ( msg_disconnect_ind_t *mp );
 790 void msg_idle_timeout_ind ( msg_idle_timeout_ind_t *mp );
 791 void msg_l12stat_ind(msg_l12stat_ind_t *ml);
 792 void msg_teiasg_ind(msg_teiasg_ind_t *mt);
 793 void msg_proceeding_ind ( msg_proceeding_ind_t *mp );
 794 void msg_packet_ind( msg_packet_ind_t *mp );
 795 const char * name_of_controller(int ctrl_type, int card_type);
 796 void next_state ( cfg_entry_t *cep, int event );
 797 char * print_i4b_cause( cause_t code );
 798 char * printstate ( cfg_entry_t *cep );
 799 int readrates ( char *filename );
 800 int ret_channel_state(int controller, int channel);
 801 void reopenfiles ( int dummy );
 802 void rereadconfig ( int dummy );
 803 void select_first_dialno ( cfg_entry_t *cep );
 804 void select_next_dialno ( cfg_entry_t *cep );
 805 void select_this_dialno ( cfg_entry_t *cep );
 806 int sendm_alert_req ( cfg_entry_t *cep );
 807 int sendm_connect_req ( cfg_entry_t *cep );
 808 int sendm_connect_resp ( cfg_entry_t *cep, int cdid, int response, cause_t cause );
 809 int sendm_disconnect_req ( cfg_entry_t *cep, cause_t cause );
 810 int set_channel_busy(int controller, int channel);
 811 int set_channel_idle(int controller, int channel);
 812 int setup_dialout(cfg_entry_t *cep);
 813 void sigchild_handler ( int sig );
 814 void start_timer ( cfg_entry_t *cep, int seconds );
 815 void stop_timer ( cfg_entry_t *cep );
 816 void unitlen_chkupd( cfg_entry_t *cep );
 817 void write_pid ( void );
 818 void yyerror ( const char *msg );
 819
 820 void error_exit(int exitval, const char *fmt, ...);
 821
 822 /* montior server module */
 823 void monitor_init();
 824 void monitor_exit();
 825 void monitor_clear_rights();
 826 void monitor_fixup_rights();
 827 int monitor_start_rights(const char *clientspec);
 828 void monitor_add_rights(int rights);
 829
 830 /* possible return codes from monitor_start_rights: */
 831 #define I4BMAR_OK       0       /* rights added successfully */
 832 #define I4BMAR_LENGTH   1       /* local socket name to long */
 833 #define I4BMAR_DUP      2       /* entry already exists */
 834 #define I4BMAR_CIDR     3       /* cidr netmask is invalid */
 835 #define I4BMAR_NOIP     4       /* host/net could not be resolved */
 836
 837 int monitor_create_local_socket();
 838
 839 #ifndef I4B_NOTCPIP_MONITOR
 840 int monitor_create_remote_socket(int portno);
 841 #endif
 842
 843 void monitor_prepselect(fd_set *selset, int *max_fd);
 844 void monitor_handle_input(fd_set *selset);
 845 void monitor_handle_connect(int sockfd, int is_local);
 846 void monitor_evnt_charge(cfg_entry_t *cep, int units, int estimated);
 847 void monitor_evnt_connect(cfg_entry_t *cep);
 848 void monitor_evnt_disconnect(cfg_entry_t *cep);
 849 void monitor_evnt_updown(cfg_entry_t *cep, int up);
 850 void monitor_evnt_log(int prio, const char * what, const char * msg);
 851
 852 void monitor_evnt_l12stat(int controller, int layer, int state);
 853 void monitor_evnt_tei(int controller, int tei);
 854 void monitor_evnt_acct(cfg_entry_t *cep);
 855
 856 /* controller.c */
 857
 858 void init_active_controller(void);
 859 int set_controller_state(int controller, int state);
 860 int get_controller_state(int controller);
 861 int decr_free_channels(int controller);
 862 int incr_free_channels(int controller);
 863 int get_free_channels(int controller);
 864 int set_channel_busy(int controller, int channel);
 865 int set_channel_idle(int controller, int channel);
 866 int ret_channel_state(int controller, int channel);
 867
 868 /* alias.c */
 869
 870 void init_alias(char *filename);
 871 void free_aliases(void);
 872 char *get_alias(char *number);
 873
 874 void upd_callstat_file(char *filename, int rotateflag);
 875
 876 /* holiday.c */
 877
 878 void init_holidays(char *filename);
 879 void free_holidays(void);
 880 int isholiday(int d, int m, int y);
 881
 882 #endif /* _ISDND_H_ */