socket_server.c

   1 /*****************************************************************************\
   2 **                                                                           **
   3 ** Linux Call Router                                                         **
   4 **                                                                           **
   5 **---------------------------------------------------------------------------**
   6 ** Copyright: Andreas Eversberg                                              **
   7 **                                                                           **
   8 ** Socket link server                                                        **
   9 **                                                                           **
  10 \*****************************************************************************/
  11
  12 #include "main.h"
  13 #include <sys/socket.h>
  14 #include <sys/un.h>
  15 #include <curses.h>
  16
  17
  18 char *socket_name = SOCKET_NAME;
  19 int sock = -1;
  20 struct sockaddr_un sock_address;
  21
  22 struct admin_list *admin_first = NULL;
  23
  24 /*
  25  * initialize admin socket
  26  */
  27 int admin_init(void)
  28 {
  29         unsigned long on = 1;
  30
  31         /* open and bind socket */
  32         if ((sock = socket(PF_UNIX, SOCK_STREAM, 0)) < 0)
  33         {
  34                 PERROR("Failed to create admin socket. (errno=%d)\n", errno);
  35                 return(-1);
  36         }
  37         fhuse++;
  38         memset(&sock_address, 0, sizeof(sock_address));
  39         sock_address.sun_family = AF_UNIX;
  40         UCPY(sock_address.sun_path, socket_name);
  41         unlink(socket_name);
  42         if (bind(sock, (struct sockaddr *)(&sock_address), SUN_LEN(&sock_address)) < 0)
  43         {
  44                 close(sock);
  45                 unlink(socket_name);
  46                 fhuse--;
  47                 sock = -1;
  48                 PERROR("Failed to bind admin socket to \"%s\". (errno=%d)\n", sock_address.sun_path, errno);
  49                 return(-1);
  50         }
  51         if (listen(sock, 5) < 0)
  52         {
  53                 close(sock);
  54                 unlink(socket_name);
  55                 fhuse--;
  56                 sock = -1;
  57                 PERROR("Failed to listen to socket \"%s\". (errno=%d)\n", sock_address.sun_path, errno);
  58                 return(-1);
  59         }
  60         if (ioctl(sock, FIONBIO, (unsigned char *)(&on)) < 0)
  61         {
  62                 close(sock);
  63                 unlink(socket_name);
  64                 fhuse--;
  65                 sock = -1;
  66                 PERROR("Failed to set socket \"%s\" into non-blocking mode. (errno=%d)\n", sock_address.sun_path, errno);
  67                 return(-1);
  68         }
  69         return(0);
  70 }
  71
  72
  73 /*
  74  * free connection
  75  * also releases all remote joins
  76  */
  77 void free_connection(struct admin_list *admin)
  78 {
  79         struct admin_queue *response;
  80         void *temp;
  81         union parameter param;
  82         class Join *join, *joinnext;
  83
  84         /* free remote joins */
  85         if (admin->remote_name[0])
  86         {
  87                 start_trace(0,
  88                         NULL,
  89                         NULL,
  90                         NULL,
  91                         DIRECTION_NONE,
  92                         0,
  93                         0,
  94                         "REMOTE APP release");
  95                 add_trace("app", "name", "%s", admin->remote_name);
  96                 end_trace();
  97                 join = join_first;
  98                 while(join)
  99                 {
 100                         joinnext = join->next;
 101                         if (join->j_type==JOIN_TYPE_REMOTE) if (((class JoinRemote *)join)->j_remote_id == admin->sock)
 102                         {
 103                                 memset(&param, 0, sizeof(param));
 104                                 param.disconnectinfo.cause = CAUSE_OUTOFORDER;
 105                                 param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
 106                                 ((class JoinRemote *)join)->message_remote(MESSAGE_RELEASE, &param);
 107                                 /* join is now destroyed, so we go to next join */
 108                         }
 109                         join = joinnext;
 110                 }
 111         }
 112
 113         if (admin->sock >= 0)
 114         {
 115                 close(admin->sock);
 116                 fhuse--;
 117         }
 118 //      printf("new\n", response);
 119         response = admin->response;
 120         while (response)
 121         {
 122 //#warning
 123 //      printf("%x\n", response);
 124                 temp = response->next;
 125                 FREE(response, 0);
 126                 memuse--;
 127                 response = (struct admin_queue *)temp;
 128         }
 129 //      printf("new2\n", response);
 130         FREE(admin, 0);
 131 //      printf("new3\n", response);
 132         memuse--;
 133 }
 134
 135
 136 /*
 137  * cleanup admin socket
 138  */
 139 void admin_cleanup(void)
 140 {
 141         struct admin_list *admin, *next;;
 142
 143         admin = admin_first;
 144         while(admin)
 145         {
 146 //printf("clean\n");
 147                 next = admin->next;
 148                 free_connection(admin);
 149                 admin = next;
 150         }
 151
 152         if (sock >= 0)
 153         {
 154                 close(sock);
 155                 fhuse--;
 156         }
 157 }
 158
 159
 160 /*
 161  * do interface reload
 162  */
 163 int admin_interface(struct admin_queue **responsep)
 164 {
 165         struct admin_queue      *response;      /* response pointer */
 166         char                    *err_txt = "";
 167         int                     err = 0;
 168
 169         if (read_interfaces())
 170         {
 171                 relink_interfaces();
 172                 free_interfaces(interface_first);
 173                 interface_first = interface_newlist;
 174                 interface_newlist = NULL;
 175         } else
 176         {
 177                 err_txt = interface_error;
 178                 err = -1;
 179         }
 180         /* create state response */
 181         response = (struct admin_queue *)MALLOC(sizeof(struct admin_queue)+sizeof(admin_message));
 182         memuse++;
 183         response->num = 1;
 184         /* message */
 185         response->am[0].message = ADMIN_RESPONSE_CMD_INTERFACE;
 186         /* error */
 187         response->am[0].u.x.error = err;
 188         /* message */
 189         SCPY(response->am[0].u.x.message, err_txt);
 190         /* attach to response chain */
 191         *responsep = response;
 192         responsep = &response->next;
 193
 194         return(0);
 195 }
 196
 197
 198 /*
 199  * do route reload
 200  */
 201 int admin_route(struct admin_queue **responsep)
 202 {
 203         struct route_ruleset    *ruleset_new;
 204         struct admin_queue      *response;      /* response pointer */
 205         char                    err_txt[256] = "";
 206         int                     err = 0;
 207 #if 0
 208         int                     n;
 209 #endif
 210         class EndpointAppPBX    *apppbx;
 211
 212 #if 0
 213         n = 0;
 214         apppbx = apppbx_first;
 215         while(apppbx)
 216         {
 217                 n++;
 218                 apppbx = apppbx->next;
 219         }
 220         if (apppbx_first)
 221         {
 222                 SPRINT(err_txt, "Cannot reload routing, because %d endpoints active\n", n);
 223                 err = -1;
 224                 goto response;
 225         }
 226 #endif
 227         if (!(ruleset_new = ruleset_parse()))
 228         {
 229                 SPRINT(err_txt, ruleset_error);
 230                 err = -1;
 231                 goto response;
 232         }
 233         ruleset_free(ruleset_first);
 234         ruleset_first = ruleset_new;
 235         ruleset_main = getrulesetbyname("main");
 236         if (!ruleset_main)
 237         {
 238                 SPRINT(err_txt, "Ruleset reloaded, but rule 'main' not found.\n");
 239                 err = -1;
 240         }
 241         apppbx = apppbx_first;
 242         while(apppbx)
 243         {
 244                 if (apppbx->e_action)
 245                 {
 246                         switch(apppbx->e_action->index)
 247                         {
 248                                 case ACTION_INTERNAL:
 249                                 apppbx->e_action = &action_internal;
 250                                 break;
 251                                 case ACTION_EXTERNAL:
 252                                 apppbx->e_action = &action_external;
 253                                 break;
 254                                 case ACTION_REMOTE:
 255                                 apppbx->e_action = &action_remote;
 256                                 break;
 257                                 case ACTION_VBOX_RECORD:
 258                                 apppbx->e_action = &action_vbox;
 259                                 break;
 260                                 case ACTION_PARTYLINE:
 261                                 apppbx->e_action = &action_partyline;
 262                                 break;
 263                                 default:
 264                                 goto release;
 265                         }
 266                 } else if (apppbx->e_state != EPOINT_STATE_CONNECT)
 267                 {
 268                         release:
 269                         apppbx->e_callback = 0;
 270                         apppbx->e_action = NULL;
 271                         apppbx->release(RELEASE_ALL, LOCATION_PRIVATE_LOCAL, CAUSE_NORMAL, LOCATION_PRIVATE_LOCAL, CAUSE_NORMAL);
 272                         start_trace(0,
 273                                 NULL,
 274                                 numberrize_callerinfo(apppbx->e_callerinfo.id, apppbx->e_callerinfo.ntype, options.national, options.international),
 275                                 apppbx->e_dialinginfo.id,
 276                                 DIRECTION_NONE,
 277                                 CATEGORY_EP,
 278                                 apppbx->ea_endpoint->ep_serial,
 279                                 "KICK (reload routing)");
 280                         end_trace();
 281                 }
 282
 283                 apppbx->e_action_timeout = 0;
 284                 apppbx->e_rule = NULL;
 285                 apppbx->e_ruleset = NULL;
 286
 287                 apppbx = apppbx->next;
 288         }
 289
 290         response:
 291         /* create state response */
 292         response = (struct admin_queue *)MALLOC(sizeof(struct admin_queue)+sizeof(admin_message));
 293         memuse++;
 294         response->num = 1;
 295         /* message */
 296         response->am[0].message = ADMIN_RESPONSE_CMD_ROUTE;
 297         /* error */
 298         response->am[0].u.x.error = err;
 299         /* message */
 300         SCPY(response->am[0].u.x.message, err_txt);
 301         /* attach to response chain */
 302         *responsep = response;
 303         responsep = &response->next;
 304
 305         return(0);
 306 }
 307
 308
 309 /*
 310  * do dialing
 311  */
 312 int admin_dial(struct admin_queue **responsep, char *message)
 313 {
 314         struct extension        ext;            /* temporary extension's settings */
 315         struct admin_queue      *response;      /* response pointer */
 316         char                    *p;             /* pointer to dialing digits */
 317
 318         /* create state response */
 319         response = (struct admin_queue *)MALLOC(sizeof(struct admin_queue)+sizeof(admin_message));
 320         memuse++;
 321         response->num = 1;
 322         /* message */
 323         response->am[0].message = ADMIN_RESPONSE_CMD_DIAL;
 324
 325         /* process request */
 326         if (!(p = strchr(message,':')))
 327         {
 328                 response->am[0].u.x.error = -EINVAL;
 329                 SPRINT(response->am[0].u.x.message, "no seperator ':' in message to seperate number from extension");
 330                 goto out;
 331         }
 332         *p++ = 0;
 333
 334         /* modify extension */
 335         if (!read_extension(&ext, message))
 336         {
 337                 response->am[0].u.x.error = -EINVAL;
 338                 SPRINT(response->am[0].u.x.message, "extension doesn't exist");
 339                 goto out;
 340         }
 341         SCPY(ext.next, p);
 342         write_extension(&ext, message);
 343
 344         out:
 345         /* attach to response chain */
 346         *responsep = response;
 347         responsep = &response->next;
 348         return(0);
 349 }
 350
 351
 352 /*
 353  * do tracing
 354  */
 355 int admin_trace(struct admin_list *admin, struct admin_trace_req *trace)
 356 {
 357         memcpy(&admin->trace, trace, sizeof(struct admin_trace_req));
 358         return(0);
 359 }
 360
 361
 362 /*
 363  * do blocking
 364  *
 365  * 0 = make port available
 366  * 1 = make port administratively blocked
 367  * 2 = unload port
 368  * the result is returned:
 369  * 0 = port is now available
 370  * 1 = port is now blocked
 371  * 2 = port cannot be loaded or has been unloaded
 372  * -1 = port doesn't exist
 373  */
 374 int admin_block(struct admin_queue **responsep, int portnum, int block)
 375 {
 376         struct admin_queue      *response;      /* response pointer */
 377         struct interface        *interface;
 378         struct interface_port   *ifport;
 379
 380         /* create block response */
 381         response = (struct admin_queue *)MALLOC(sizeof(struct admin_queue)+sizeof(admin_message));
 382         memuse++;
 383         response->num = 1;
 384         /* message */
 385         response->am[0].message = ADMIN_RESPONSE_CMD_BLOCK;
 386         response->am[0].u.x.portnum = portnum;
 387
 388         /* search for port */
 389         interface = interface_first;
 390         while(interface)
 391         {
 392                 ifport = interface->ifport;
 393                 while(ifport)
 394                 {
 395                         if (ifport->portnum == portnum)
 396                                 break;
 397                         ifport = ifport->next;
 398                 }
 399                 if (ifport)
 400                         break;
 401                 interface = interface->next;
 402         }
 403         /* not found, we return -1 */
 404         if (!ifport)
 405         {
 406                 response->am[0].u.x.block = -1;
 407                 response->am[0].u.x.error = 1;
 408                 SPRINT(response->am[0].u.x.message, "Port %d does not exist.", portnum);
 409                 goto out;
 410         }
 411
 412         /* no interface */
 413         if (!ifport->mISDNport)
 414         {
 415                 /* not loaded anyway */
 416                 if (block >= 2)
 417                 {
 418                         response->am[0].u.x.block = 2;
 419                         goto out;
 420                 }
 421
 422                 /* try loading interface */
 423                 ifport->block = block;
 424                 load_port(ifport);
 425
 426                 /* port cannot load */
 427                 if (ifport->block >= 2)
 428                 {
 429                         response->am[0].u.x.block = 2;
 430                         response->am[0].u.x.error = 1;
 431                         SPRINT(response->am[0].u.x.message, "Port %d will not load.", portnum);
 432                         goto out;
 433                 }
 434
 435                 /* port loaded */
 436                 response->am[0].u.x.block = ifport->block;
 437                 goto out;
 438         }
 439
 440         /* if we shall unload interface */
 441         if (block >= 2)
 442         {
 443                 mISDNport_close(ifport->mISDNport);
 444                 ifport->mISDNport = 0;
 445                 ifport->block = 2;
 446                 goto out;
 447         }
 448
 449         /* port new blocking state */
 450         ifport->block = response->am[0].u.x.block = block;
 451
 452         out:
 453         /* attach to response chain */
 454         *responsep = response;
 455         responsep = &response->next;
 456         return(0);
 457 }
 458
 459
 460 /*
 461  * do release
 462  */
 463 int admin_release(struct admin_queue **responsep, char *message)
 464 {
 465         unsigned long           id;
 466         struct admin_queue      *response;      /* response pointer */
 467         class EndpointAppPBX    *apppbx;
 468
 469         /* create state response */
 470         response = (struct admin_queue *)MALLOC(sizeof(struct admin_queue)+sizeof(admin_message));
 471         memuse++;
 472         response->num = 1;
 473         /* message */
 474         response->am[0].message = ADMIN_RESPONSE_CMD_RELEASE;
 475
 476         id = atoi(message);
 477         apppbx = apppbx_first;
 478         while(apppbx)
 479         {
 480                 if (apppbx->ea_endpoint->ep_serial == id)
 481                         break;
 482                 apppbx = apppbx->next;
 483         }
 484         if (!apppbx)
 485         {
 486                 response->am[0].u.x.error = -EINVAL;
 487                 SPRINT(response->am[0].u.x.message, "Given endpoint %d doesn't exist.", id);
 488                 goto out;
 489         }
 490
 491         apppbx->e_callback = 0;
 492         apppbx->release(RELEASE_ALL, LOCATION_PRIVATE_LOCAL, CAUSE_NORMAL, LOCATION_PRIVATE_LOCAL, CAUSE_NORMAL);
 493
 494         out:
 495         /* attach to response chain */
 496         *responsep = response;
 497         responsep = &response->next;
 498         return(0);
 499 }
 500
 501
 502 /*
 503  * do call
 504  */
 505 int admin_call(struct admin_list *admin, struct admin_message *msg)
 506 {
 507         class Endpoint          *epoint;
 508         class EndpointAppPBX    *apppbx;
 509
 510         if (!(epoint = new Endpoint(0, 0)))
 511                 FATAL("No memory for Endpoint instance\n");
 512         if (!(epoint->ep_app = apppbx = new DEFAULT_ENDPOINT_APP(epoint, 1))) // outgoing
 513                 FATAL("No memory for Endpoint Application instance\n");
 514         apppbx->e_adminid = admin->sockserial;
 515         admin->epointid = epoint->ep_serial;
 516         SCPY(apppbx->e_callerinfo.id, nationalize_callerinfo(msg->u.call.callerid, &apppbx->e_callerinfo.ntype, options.national, options.international));
 517         if (msg->u.call.present)
 518                 apppbx->e_callerinfo.present = INFO_PRESENT_ALLOWED;
 519         else
 520                 apppbx->e_callerinfo.present = INFO_PRESENT_RESTRICTED;
 521         apppbx->e_callerinfo.screen = INFO_SCREEN_NETWORK;
 522
 523 //printf("hh=%d\n", apppbx->e_capainfo.hlc);
 524
 525         apppbx->e_capainfo.bearer_capa = msg->u.call.bc_capa;
 526         apppbx->e_capainfo.bearer_mode = msg->u.call.bc_mode;
 527         apppbx->e_capainfo.bearer_info1 = msg->u.call.bc_info1;
 528         apppbx->e_capainfo.hlc = msg->u.call.hlc;
 529         apppbx->e_capainfo.exthlc = msg->u.call.exthlc;
 530         SCPY(apppbx->e_dialinginfo.id, msg->u.call.dialing);
 531         SCPY(apppbx->e_dialinginfo.interfaces, msg->u.call.interface);
 532         apppbx->e_dialinginfo.sending_complete = 1;
 533
 534         apppbx->new_state(PORT_STATE_OUT_SETUP);
 535         apppbx->out_setup();
 536         return(0);
 537 }
 538
 539
 540 /*
 541  * this function is called for response whenever a call state changes.
 542  */
 543 void admin_call_response(int adminid, int message, char *connected, int cause, int location, int notify)
 544 {
 545         struct admin_list       *admin;
 546         struct admin_queue      *response, **responsep; /* response pointer */
 547
 548         /* searching for admin id
 549          * maybe there is no admin instance, because the calling port was not
 550          * initiated by admin_call */
 551         admin = admin_first;
 552         while(admin)
 553         {
 554                 if (adminid == admin->sockserial)
 555                         break;
 556                 admin = admin->next;
 557         }
 558         if (!admin)
 559                 return;
 560
 561         /* seek to end of response list */
 562         response = admin->response;
 563         responsep = &admin->response;
 564         while(response)
 565         {
 566                 responsep = &response->next;
 567                 response = response->next;
 568         }
 569
 570         /* create state response */
 571         response = (struct admin_queue *)MALLOC(sizeof(struct admin_queue)+sizeof(admin_message));
 572         memuse++;
 573         response->num = 1;
 574         /* message */
 575         response->am[0].message = message;
 576 //      printf("MESSAGE: %d\n", message);
 577
 578         SCPY(response->am[0].u.call.callerid, connected);
 579         response->am[0].u.call.cause = cause;
 580         response->am[0].u.call.location = location;
 581         response->am[0].u.call.notify = notify;
 582
 583         /* attach to response chain */
 584         *responsep = response;
 585         responsep = &response->next;
 586 }
 587
 588
 589 /*
 590  * send data to the remote socket join instance
 591  */
 592 int admin_message_to_join(struct admin_msg *msg, struct admin_list *admin)
 593 {
 594         class Join                      *join;
 595         struct admin_list               *temp;
 596
 597         /* hello message */
 598         if (msg->type == MESSAGE_HELLO)
 599         {
 600                 if (admin->remote_name[0])
 601                 {
 602                         PERROR("Remote application repeats hello message.\n");
 603                         return(-1);
 604                 }
 605                 /* look for second application */
 606                 temp = admin_first;
 607                 while(temp)
 608                 {
 609                         if (!strcmp(temp->remote_name, msg->param.hello.application))
 610                                 break;
 611                         temp = temp->next;
 612                 }
 613                 if (temp)
 614                 {
 615                         PERROR("Remote application connects twice??? (ignoring)\n");
 616                         return(-1);
 617                 }
 618                 /* set remote socket instance */
 619                 SCPY(admin->remote_name, msg->param.hello.application);
 620                 start_trace(0,
 621                         NULL,
 622                         NULL,
 623                         NULL,
 624                         DIRECTION_NONE,
 625                         0,
 626                         0,
 627                         "REMOTE APP registers");
 628                 add_trace("app", "name", "%s", admin->remote_name);
 629                 end_trace();
 630                 return(0);
 631         }
 632
 633         /* check we have no application name */
 634         if (!admin->remote_name[0])
 635         {
 636                 PERROR("Remote application did not send us a hello message.\n");
 637                 return(-1);
 638         }
 639
 640         /* new join */
 641         if (msg->type == MESSAGE_NEWREF)
 642         {
 643                 /* create new join instance */
 644                 join = new JoinRemote(0, admin->remote_name, admin->sock); // must have no serial, because no endpoint is connected
 645                 if (!join)
 646                 {
 647                         FATAL("No memory for remote join instance\n");
 648                         return(-1);
 649                 }
 650                 return(0);
 651         }
 652
 653         /* bchannel message
 654          * no ref given for *_ack */
 655         if (msg->type == MESSAGE_BCHANNEL)
 656         if (msg->param.bchannel.type == BCHANNEL_ASSIGN_ACK
 657          || msg->param.bchannel.type == BCHANNEL_REMOVE_ACK)
 658         {
 659                 /* no ref, but address */
 660                 message_bchannel_from_join(NULL, msg->param.bchannel.type, msg->param.bchannel.handle);
 661                 return(0);
 662         }
 663
 664         /* check for ref */
 665         if (!msg->ref)
 666         {
 667                 PERROR("Remote application did not send us a valid ref with a message.\n");
 668                 return(-1);
 669         }
 670
 671         /* find join instance */
 672         join = join_first;
 673         while(join)
 674         {
 675                 if (join->j_serial == msg->ref)
 676                         break;
 677                 join = join->next;
 678         }
 679         if (!join)
 680         {
 681                 PERROR("No join found with serial %d.\n", msg->ref);
 682                 return(-1);
 683         }
 684
 685         /* check application */
 686         if (join->j_type != JOIN_TYPE_REMOTE)
 687         {
 688                 PERROR("Ref %d does not belong to a remote join instance.\n", msg->ref);
 689                 return(-1);
 690         }
 691         if (admin->sock != ((class JoinRemote *)join)->j_remote_id)
 692         {
 693                 PERROR("Ref %d belongs to remote application %s, but not to sending application %s.\n", msg->ref, ((class JoinRemote *)join)->j_remote_name, admin->remote_name);
 694                 return(-1);
 695         }
 696
 697         /* send message */
 698         ((class JoinRemote *)join)->message_remote(msg->type, &msg->param);
 699
 700         return(0);
 701 }
 702
 703
 704 /*
 705  * this function is called for every message to remote socket
 706  */
 707 int admin_message_from_join(int remote_id, unsigned long ref, int message_type, union parameter *param)
 708 {
 709         struct admin_list       *admin;
 710         struct admin_queue      **responsep;    /* response pointer */
 711
 712         /* searching for admin id
 713          * maybe there is no given remote application
 714          */
 715         admin = admin_first;
 716         while(admin)
 717         {
 718                 if (admin->remote_name[0] && admin->sock==remote_id)
 719                         break;
 720                 admin = admin->next;
 721         }
 722         /* no given remote application connected */
 723         if (!admin)
 724                 return(-1);
 725
 726         /* seek to end of response list */
 727         responsep = &admin->response;
 728         while(*responsep)
 729         {
 730                 responsep = &(*responsep)->next;
 731         }
 732
 733         /* create state response */
 734         *responsep = (struct admin_queue *)MALLOC(sizeof(struct admin_queue)+sizeof(admin_message));
 735         memuse++;
 736         (*responsep)->num = 1;
 737
 738         /* message */
 739         (*responsep)->am[0].message = ADMIN_MESSAGE;
 740         (*responsep)->am[0].u.msg.type = message_type;
 741         (*responsep)->am[0].u.msg.ref = ref;
 742         memcpy(&(*responsep)->am[0].u.msg.param, param, sizeof(union parameter));
 743
 744         return(0);
 745 }
 746
 747
 748 /*
 749  * do state debugging
 750  */
 751 int admin_state(struct admin_queue **responsep)
 752 {
 753
 754         class Port              *port;
 755         class EndpointAppPBX    *apppbx;
 756         class Join              *join;
 757         class Pdss1             *pdss1;
 758         struct interface        *interface;
 759         struct interface_port   *ifport;
 760         struct mISDNport        *mISDNport;
 761         int                     i;
 762         int                     num;
 763         int                     anybusy;
 764         struct admin_queue      *response;
 765         struct admin_list       *admin;
 766
 767         /* create state response */
 768         response = (struct admin_queue *)MALLOC(sizeof(struct admin_queue)+sizeof(admin_message));
 769         memuse++;
 770         response->num = 1;
 771         /* message */
 772         response->am[0].message = ADMIN_RESPONSE_STATE;
 773         /* version */
 774         SCPY(response->am[0].u.s.version_string, VERSION_STRING);
 775         /* time */
 776         memcpy(&response->am[0].u.s.tm, now_tm, sizeof(struct tm));
 777         /* log file */
 778         SCPY(response->am[0].u.s.logfile, options.log);
 779         /* interface count */
 780         i = 0;
 781         interface = interface_first;
 782         while(interface)
 783         {
 784                 ifport = interface->ifport;
 785                 while(ifport)
 786                 {
 787                         i++;
 788                         ifport = ifport->next;
 789                 }
 790                 interface = interface->next;
 791         }
 792         response->am[0].u.s.interfaces = i;
 793         /* remote connection count */
 794         i = 0;
 795         admin = admin_first;
 796         while(admin)
 797         {
 798                 if (admin->remote_name[0])
 799                         i++;
 800                 admin = admin->next;
 801         }
 802         response->am[0].u.s.remotes = i;
 803         /* join count */
 804         join = join_first;
 805         i = 0;
 806         while(join)
 807         {
 808                 i++;
 809                 join = join->next;
 810         }
 811         response->am[0].u.s.joins = i;
 812         /* apppbx count */
 813         apppbx = apppbx_first;
 814         i = 0;
 815         while(apppbx)
 816         {
 817                 i++;
 818                 apppbx = apppbx->next;
 819         }
 820         response->am[0].u.s.epoints = i;
 821         /* port count */
 822         i = 0;
 823         port = port_first;
 824         while(port)
 825         {
 826                 i++;
 827                 port = port->next;
 828         }
 829         response->am[0].u.s.ports = i;
 830         /* attach to response chain */
 831         *responsep = response;
 832         responsep = &response->next;
 833
 834         /* create response for all instances */
 835         num = (response->am[0].u.s.interfaces)
 836             + (response->am[0].u.s.remotes)
 837             + (response->am[0].u.s.joins)
 838             + (response->am[0].u.s.epoints)
 839             + (response->am[0].u.s.ports);
 840         if (num == 0)
 841                 return(0);
 842         response = (struct admin_queue *)MALLOC(sizeof(admin_queue)+(num*sizeof(admin_message)));
 843         memuse++;
 844         response->num = num;
 845         *responsep = response;
 846         responsep = &response->next;
 847         interface = interface_first;
 848         num = 0;
 849         while(interface)
 850         {
 851                 ifport = interface->ifport;
 852                 while(ifport)
 853                 {
 854                         /* message */
 855                         response->am[num].message = ADMIN_RESPONSE_S_INTERFACE;
 856                         /* interface */
 857                         SCPY(response->am[num].u.i.interface_name, interface->name);
 858                         /* portnum */
 859                         response->am[num].u.i.portnum = ifport->portnum;
 860                         /* iftype */
 861                         response->am[num].u.i.extension = interface->extension;
 862                         /* block */
 863                         response->am[num].u.i.block = ifport->block;
 864                         if (ifport->mISDNport)
 865                         {
 866                                 mISDNport = ifport->mISDNport;
 867
 868                                 /* ptp */
 869                                 response->am[num].u.i.ptp = mISDNport->ptp;
 870                                 /* ntmode */
 871                                 response->am[num].u.i.ntmode = mISDNport->ntmode;
 872                                 /* pri */
 873                                 response->am[num].u.i.pri = mISDNport->pri;
 874                                 /* use */
 875                                 response->am[num].u.i.use = mISDNport->use;
 876                                 /* l1link */
 877                                 response->am[num].u.i.l1link = mISDNport->l1link;
 878                                 /* l2link */
 879                                 response->am[num].u.i.l2link = mISDNport->l2link;
 880                                 /* los */
 881                                 response->am[num].u.i.los = mISDNport->los;
 882                                 /* ais */
 883                                 response->am[num].u.i.ais = mISDNport->ais;
 884                                 /* rdi */
 885                                 response->am[num].u.i.rdi = mISDNport->rdi;
 886                                 /* slip */
 887                                 response->am[num].u.i.slip_tx = mISDNport->slip_tx;
 888                                 response->am[num].u.i.slip_rx = mISDNport->slip_rx;
 889                                 /* channels */
 890                                 response->am[num].u.i.channels = mISDNport->b_num;
 891                                 /* channel info */
 892                                 i = 0;
 893                                 anybusy = 0;
 894                                 while(i < mISDNport->b_num)
 895                                 {
 896                                         response->am[num].u.i.busy[i] = mISDNport->b_state[i];
 897                                         if (mISDNport->b_port[i])
 898                                                 response->am[num].u.i.port[i] = mISDNport->b_port[i]->p_serial;
 899                                         i++;
 900                                 }
 901                         }
 902                         num++;
 903
 904                         ifport = ifport->next;
 905                 }
 906                 interface = interface->next;
 907         }
 908
 909         /* create response for all remotes */
 910         admin = admin_first;
 911         while(admin)
 912         {
 913                 if (admin->remote_name[0])
 914                 {
 915                         /* message */
 916                         response->am[num].message = ADMIN_RESPONSE_S_REMOTE;
 917                         /* name */
 918                         SCPY(response->am[num].u.r.name, admin->remote_name);
 919                         /* */
 920                         num++;
 921                 }
 922                 admin = admin->next;
 923         }
 924
 925         /* create response for all joins */
 926         join = join_first;
 927         while(join)
 928         {
 929                 /* message */
 930                 response->am[num].message = ADMIN_RESPONSE_S_JOIN;
 931                 /* serial */
 932                 response->am[num].u.j.serial = join->j_serial;
 933                 /* partyline */
 934                 if (join->j_type == JOIN_TYPE_PBX)
 935                         response->am[num].u.j.partyline = ((class JoinPBX *)join)->j_partyline;
 936                 /* remote application */
 937                 if (join->j_type == JOIN_TYPE_REMOTE)
 938                         SCPY(response->am[num].u.j.remote, ((class JoinRemote *)join)->j_remote_name);
 939                 /* */
 940                 join = join->next;
 941                 num++;
 942         }
 943
 944         /* create response for all endpoint */
 945         apppbx = apppbx_first;
 946         while(apppbx)
 947         {
 948                 /* message */
 949                 response->am[num].message = ADMIN_RESPONSE_S_EPOINT;
 950                 /* serial */
 951                 response->am[num].u.e.serial = apppbx->ea_endpoint->ep_serial;
 952                 /* join */
 953                 response->am[num].u.e.join = apppbx->ea_endpoint->ep_join_id;
 954                 /* rx notification */
 955                 response->am[num].u.e.rx_state = apppbx->e_rx_state;
 956                 /* tx notification */
 957                 response->am[num].u.e.tx_state = apppbx->e_tx_state;
 958                 /* state */
 959                 switch(apppbx->e_state)
 960                 {
 961                         case EPOINT_STATE_IN_SETUP:
 962                         response->am[num].u.e.state = ADMIN_STATE_IN_SETUP;
 963                         break;
 964                         case EPOINT_STATE_OUT_SETUP:
 965                         response->am[num].u.e.state = ADMIN_STATE_OUT_SETUP;
 966                         break;
 967                         case EPOINT_STATE_IN_OVERLAP:
 968                         response->am[num].u.e.state = ADMIN_STATE_IN_OVERLAP;
 969                         break;
 970                         case EPOINT_STATE_OUT_OVERLAP:
 971                         response->am[num].u.e.state = ADMIN_STATE_OUT_OVERLAP;
 972                         break;
 973                         case EPOINT_STATE_IN_PROCEEDING:
 974                         response->am[num].u.e.state = ADMIN_STATE_IN_PROCEEDING;
 975                         break;
 976                         case EPOINT_STATE_OUT_PROCEEDING:
 977                         response->am[num].u.e.state = ADMIN_STATE_OUT_PROCEEDING;
 978                         break;
 979                         case EPOINT_STATE_IN_ALERTING:
 980                         response->am[num].u.e.state = ADMIN_STATE_IN_ALERTING;
 981                         break;
 982                         case EPOINT_STATE_OUT_ALERTING:
 983                         response->am[num].u.e.state = ADMIN_STATE_OUT_ALERTING;
 984                         break;
 985                         case EPOINT_STATE_CONNECT:
 986                         response->am[num].u.e.state = ADMIN_STATE_CONNECT;
 987                         break;
 988                         case EPOINT_STATE_IN_DISCONNECT:
 989                         response->am[num].u.e.state = ADMIN_STATE_IN_DISCONNECT;
 990                         break;
 991                         case EPOINT_STATE_OUT_DISCONNECT:
 992                         response->am[num].u.e.state = ADMIN_STATE_OUT_DISCONNECT;
 993                         break;
 994                         default:
 995                         response->am[num].u.e.state = ADMIN_STATE_IDLE;
 996                 }
 997                 /* terminal */
 998                 SCPY(response->am[num].u.e.terminal, apppbx->e_ext.number);
 999                 /* callerid */
1000                 SCPY(response->am[num].u.e.callerid, apppbx->e_callerinfo.id);
1001                 /* dialing */
1002                 SCPY(response->am[num].u.e.dialing, apppbx->e_dialinginfo.id);
1003                 /* action string */
1004                 if (apppbx->e_action)
1005                         SCPY(response->am[num].u.e.action, action_defs[apppbx->e_action->index].name);
1006 //              if (apppbx->e_action)
1007 //              printf("action=%s\n",action_defs[apppbx->e_action->index].name);
1008                 /* park */
1009                 response->am[num].u.e.park = apppbx->ea_endpoint->ep_park;
1010                 if (apppbx->ea_endpoint->ep_park && apppbx->ea_endpoint->ep_park_len && apppbx->ea_endpoint->ep_park_len<=(int)sizeof(response->am[num].u.e.park_callid))
1011                         memcpy(response->am[num].u.e.park_callid, apppbx->ea_endpoint->ep_park_callid, apppbx->ea_endpoint->ep_park_len);
1012                 response->am[num].u.e.park_len = apppbx->ea_endpoint->ep_park_len;
1013                 /* crypt */
1014                 if (apppbx->e_crypt == CRYPT_ON)
1015                         response->am[num].u.e.crypt = 1;
1016                 /* */
1017                 apppbx = apppbx->next;
1018                 num++;
1019         }
1020
1021         /* create response for all ports */
1022         port = port_first;
1023         while(port)
1024         {
1025                 /* message */
1026                 response->am[num].message = ADMIN_RESPONSE_S_PORT;
1027                 /* serial */
1028                 response->am[num].u.p.serial = port->p_serial;
1029                 /* name */
1030                 SCPY(response->am[num].u.p.name, port->p_name);
1031                 /* epoint */
1032                 response->am[num].u.p.epoint = ACTIVE_EPOINT(port->p_epointlist);
1033                 /* state */
1034                 switch(port->p_state)
1035                 {
1036                         case PORT_STATE_IN_SETUP:
1037                         response->am[num].u.p.state = ADMIN_STATE_IN_SETUP;
1038                         break;
1039                         case PORT_STATE_OUT_SETUP:
1040                         response->am[num].u.p.state = ADMIN_STATE_OUT_SETUP;
1041                         break;
1042                         case PORT_STATE_IN_OVERLAP:
1043                         response->am[num].u.p.state = ADMIN_STATE_IN_OVERLAP;
1044                         break;
1045                         case PORT_STATE_OUT_OVERLAP:
1046                         response->am[num].u.p.state = ADMIN_STATE_OUT_OVERLAP;
1047                         break;
1048                         case PORT_STATE_IN_PROCEEDING:
1049                         response->am[num].u.p.state = ADMIN_STATE_IN_PROCEEDING;
1050                         break;
1051                         case PORT_STATE_OUT_PROCEEDING:
1052                         response->am[num].u.p.state = ADMIN_STATE_OUT_PROCEEDING;
1053                         break;
1054                         case PORT_STATE_IN_ALERTING:
1055                         response->am[num].u.p.state = ADMIN_STATE_IN_ALERTING;
1056                         break;
1057                         case PORT_STATE_OUT_ALERTING:
1058                         response->am[num].u.p.state = ADMIN_STATE_OUT_ALERTING;
1059                         break;
1060                         case PORT_STATE_CONNECT:
1061                         response->am[num].u.p.state = ADMIN_STATE_CONNECT;
1062                         break;
1063                         case PORT_STATE_IN_DISCONNECT:
1064                         response->am[num].u.p.state = ADMIN_STATE_IN_DISCONNECT;
1065                         break;
1066                         case PORT_STATE_OUT_DISCONNECT:
1067                         response->am[num].u.p.state = ADMIN_STATE_OUT_DISCONNECT;
1068                         break;
1069                         default:
1070                         response->am[num].u.p.state = ADMIN_STATE_IDLE;
1071                 }
1072                 /* isdn */
1073                 if ((port->p_type&PORT_CLASS_mISDN_MASK) == PORT_CLASS_mISDN_DSS1)
1074                 {
1075                         response->am[num].u.p.isdn = 1;
1076                         pdss1 = (class Pdss1 *)port;
1077                         response->am[num].u.p.isdn_chan = pdss1->p_m_b_channel;
1078                         response->am[num].u.p.isdn_hold = pdss1->p_m_hold;
1079                         response->am[num].u.p.isdn_ces = pdss1->p_m_d_ces;
1080                 }
1081                 /* */
1082                 port = port->next;
1083                 num++;
1084         }
1085         return(0);
1086 }
1087
1088 int sockserial = 1; // must start with 1, because 0 is used if no serial is set
1089 /*
1090  * handle admin socket (non blocking)
1091  */
1092 int admin_handle(void)
1093 {
1094         struct admin_list       *admin, **adminp;
1095         void                    *temp;
1096         struct admin_message    msg;
1097         int                     len;
1098         int                     new_sock;
1099         socklen_t               sock_len = sizeof(sock_address);
1100         unsigned long           on = 1;
1101         int                     work = 0; /* if work was done */
1102         struct Endpoint         *epoint;
1103
1104         if (sock < 0)
1105                 return(0);
1106
1107         /* check for new incoming connections */
1108         if ((new_sock = accept(sock, (struct sockaddr *)&sock_address, &sock_len)) >= 0)
1109         {
1110                 work = 1;
1111                 /* insert new socket */
1112                 admin = (struct admin_list *)MALLOC(sizeof(struct admin_list));
1113                 if (ioctl(new_sock, FIONBIO, (unsigned char *)(&on)) >= 0)
1114                 {
1115 //#warning
1116 //      PERROR("DEBUG incoming socket %d, serial=%d\n", new_sock, sockserial);
1117                         memuse++;
1118                         fhuse++;
1119                         admin->sockserial = sockserial++;
1120                         admin->next = admin_first;
1121                         admin_first = admin;
1122                         admin->sock = new_sock;
1123                 } else {
1124                         close(new_sock);
1125                         FREE(admin, sizeof(struct admin_list));
1126                 }
1127         } else
1128         {
1129                 if (errno != EWOULDBLOCK)
1130                 {
1131                         PERROR("Failed to accept connection from socket \"%s\". (errno=%d) Closing socket.\n", sock_address.sun_path, errno);
1132                         admin_cleanup();
1133                         return(1);
1134                 }
1135         }
1136
1137         /* loop all current socket connections */
1138         admin = admin_first;
1139         adminp = &admin_first;
1140         while(admin)
1141         {
1142                 /* read command */
1143                 len = read(admin->sock, &msg, sizeof(msg));
1144                 if (len < 0)
1145                 {
1146                         if (errno != EWOULDBLOCK)
1147                         {
1148                                 work = 1;
1149                                 brokenpipe:
1150                                 printf("Broken pipe on socket %d. (errno=%d).\n", admin->sock, errno);
1151                                 PDEBUG(DEBUG_LOG, "Broken pipe on socket %d. (errno=%d).\n", admin->sock, errno);
1152                                 *adminp = admin->next;
1153                                 free_connection(admin);
1154                                 admin = *adminp;
1155                                 continue;
1156                         }
1157                         goto send_data;
1158                 }
1159                 work = 1;
1160 //#warning
1161 //PERROR("DEBUG socket %d got data. serial=%d\n", admin->sock, admin->sockserial);
1162                 if (len == 0)
1163                 {
1164                         end:
1165
1166                         /*release endpoint if exists */
1167                         if (admin->epointid)
1168                         {
1169                                 epoint = find_epoint_id(admin->epointid);
1170                                 if (epoint)
1171                                 {
1172                                         ((class DEFAULT_ENDPOINT_APP *)epoint->ep_app)->
1173                                                 release(RELEASE_ALL, LOCATION_PRIVATE_LOCAL, CAUSE_NORMAL, LOCATION_PRIVATE_LOCAL, CAUSE_NORMAL);
1174                                 }
1175                         }
1176
1177 //#warning
1178 //PERROR("DEBUG socket %d closed by remote.\n", admin->sock);
1179                         *adminp = admin->next;
1180                         free_connection(admin);
1181                         admin = *adminp;
1182 //PERROR("DEBUG (admin_first=%x)\n", admin_first);
1183                         continue;
1184                 }
1185                 if (len != sizeof(msg))
1186                 {
1187                         PERROR("Short/long read on socket %d. (len=%d != size=%d).\n", admin->sock, len, sizeof(msg));
1188                         *adminp = admin->next;
1189                         free_connection(admin);
1190                         admin = *adminp;
1191                         continue;
1192                 }
1193                 /* process socket command */
1194                 if (admin->response && msg.message != ADMIN_MESSAGE)
1195                 {
1196                         PERROR("Data from socket %d while sending response.\n", admin->sock);
1197                         *adminp = admin->next;
1198                         free_connection(admin);
1199                         admin = *adminp;
1200                         continue;
1201                 }
1202                 switch (msg.message)
1203                 {
1204                         case ADMIN_REQUEST_CMD_INTERFACE:
1205                         if (admin_interface(&admin->response) < 0)
1206                         {
1207                                 PERROR("Failed to create dial response for socket %d.\n", admin->sock);
1208                                 goto response_error;
1209                         }
1210                         break;
1211
1212                         case ADMIN_REQUEST_CMD_ROUTE:
1213                         if (admin_route(&admin->response) < 0)
1214                         {
1215                                 PERROR("Failed to create dial response for socket %d.\n", admin->sock);
1216                                 goto response_error;
1217                         }
1218                         break;
1219
1220                         case ADMIN_REQUEST_CMD_DIAL:
1221                         if (admin_dial(&admin->response, msg.u.x.message) < 0)
1222                         {
1223                                 PERROR("Failed to create dial response for socket %d.\n", admin->sock);
1224                                 goto response_error;
1225                         }
1226                         break;
1227
1228                         case ADMIN_REQUEST_CMD_RELEASE:
1229                         if (admin_release(&admin->response, msg.u.x.message) < 0)
1230                         {
1231                                 PERROR("Failed to create release response for socket %d.\n", admin->sock);
1232                                 goto response_error;
1233                         }
1234                         break;
1235
1236                         case ADMIN_REQUEST_STATE:
1237                         if (admin_state(&admin->response) < 0)
1238                         {
1239                                 PERROR("Failed to create state response for socket %d.\n", admin->sock);
1240                                 goto response_error;
1241                         }
1242                         break;
1243
1244                         case ADMIN_TRACE_REQUEST:
1245                         if (admin_trace(admin, &msg.u.trace_req) < 0)
1246                         {
1247                                 PERROR("Failed to create trace response for socket %d.\n", admin->sock);
1248                                 goto response_error;
1249                         }
1250                         break;
1251
1252                         case ADMIN_REQUEST_CMD_BLOCK:
1253                         if (admin_block(&admin->response, msg.u.x.portnum, msg.u.x.block) < 0)
1254                         {
1255                                 PERROR("Failed to create block response for socket %d.\n", admin->sock);
1256                                 goto response_error;
1257                         }
1258                         break;
1259
1260                         case ADMIN_MESSAGE:
1261                         if (admin_message_to_join(&msg.u.msg, admin) < 0)
1262                         {
1263                                 PERROR("Failed to deliver message for socket %d.\n", admin->sock);
1264                                 goto response_error;
1265                         }
1266 #if 0
1267 #warning DEBUGGING
1268 {
1269         struct admin_queue      *response;
1270         printf("Chain: ");
1271         response = admin->response;
1272         while(response)
1273         {
1274                 printf("%c", '0'+response->am[0].message);
1275                 response=response->next;
1276         }
1277         printf("\n");
1278 }
1279 #endif
1280                         break;
1281
1282                         case ADMIN_CALL_SETUP:
1283                         if (admin_call(admin, &msg) < 0)
1284                         {
1285                                 PERROR("Failed to create call for socket %d.\n", admin->sock);
1286                                 response_error:
1287                                 *adminp = admin->next;
1288                                 free_connection(admin);
1289                                 admin = *adminp;
1290                                 continue;
1291                         }
1292                         break;
1293
1294                         default:
1295                         PERROR("Invalid message %d from socket %d.\n", msg.message, admin->sock);
1296                         *adminp = admin->next;
1297                         free_connection(admin);
1298                         admin = *adminp;
1299                         continue;
1300                 }
1301                 /* write queue */
1302                 send_data:
1303                 if (admin->response)
1304                 {
1305 //#warning
1306 //PERROR("DEBUG socket %d sending data.\n", admin->sock);
1307                         len = write(admin->sock, ((unsigned char *)(admin->response->am))+admin->response->offset, sizeof(struct admin_message)*(admin->response->num)-admin->response->offset);
1308                         if (len < 0)
1309                         {
1310                                 if (errno != EWOULDBLOCK)
1311                                 {
1312                                         work = 1;
1313                                         goto brokenpipe;
1314                                 }
1315                                 goto next;
1316                         }
1317                         work = 1;
1318                         if (len == 0)
1319                                 goto end;
1320                         if (len < (int)(sizeof(struct admin_message)*(admin->response->num) - admin->response->offset))
1321                         {
1322                                 admin->response->offset+=len;
1323                                 goto next;
1324                         } else
1325                         {
1326                                 temp = admin->response;
1327                                 admin->response = admin->response->next;
1328                                 FREE(temp, 0);
1329                                 memuse--;
1330                         }
1331                 }
1332                 /* done with socket instance */
1333                 next:
1334                 adminp = &admin->next;
1335                 admin = admin->next;
1336         }
1337
1338         return(work);
1339 }
1340