client/client.c

   1 /*
   2  * Copyright (c) 1995, Index Data.
   3  * See the file LICENSE for details.
   4  * Sebastian Hammer, Adam Dickmeiss
   5  *
   6  * $Log: client.c,v $
   7  * Revision 1.14  1995-06-19 12:37:41  quinn
   8  * Added BER dumper.
   9  *
  10  * Revision 1.13  1995/06/16  10:29:11  quinn
  11  * *** empty log message ***
  12  *
  13  * Revision 1.12  1995/06/15  07:44:57  quinn
  14  * Moving to v3.
  15  *
  16  * Revision 1.11  1995/06/14  15:26:40  quinn
  17  * *** empty log message ***
  18  *
  19  * Revision 1.10  1995/06/06  14:56:58  quinn
  20  * Better diagnostics.
  21  *
  22  * Revision 1.9  1995/06/06  08:15:19  quinn
  23  * Cosmetic.
  24  *
  25  * Revision 1.8  1995/06/05  10:52:22  quinn
  26  * Added SCAN.
  27  *
  28  * Revision 1.7  1995/06/02  09:50:09  quinn
  29  * Smallish.
  30  *
  31  * Revision 1.6  1995/05/31  08:29:21  quinn
  32  * Nothing significant.
  33  *
  34  * Revision 1.5  1995/05/29  08:10:47  quinn
  35  * Moved oid.c to util.
  36  *
  37  * Revision 1.4  1995/05/22  15:30:13  adam
  38  * Client uses prefix query notation.
  39  *
  40  * Revision 1.3  1995/05/22  15:06:53  quinn
  41  * *** empty log message ***
  42  *
  43  * Revision 1.2  1995/05/22  14:56:40  quinn
  44  * *** empty log message ***
  45  *
  46  * Revision 1.1  1995/05/22  11:30:31  quinn
  47  * Added prettier client.
  48  *
  49  *
  50  */
  51
  52 /*
  53  * This is the obligatory little toy client, whose primary purpose is
  54  * to illustrate the use of the YAZ service-level API.
  55  */
  56
  57 #include <stdio.h>
  58 #include <stdlib.h>
  59 #include <sys/time.h>
  60 #include <assert.h>
  61 #ifdef _AIX
  62 #include <sys/select.h>
  63 #endif
  64
  65 #include <comstack.h>
  66 #include <tcpip.h>
  67 #ifdef USE_XTIMOSI
  68 #include <xmosi.h>
  69 #endif
  70
  71 #include <proto.h>
  72 #include <marcdisp.h>
  73 #include <diagbib1.h>
  74
  75 #ifdef RPN_QUERY
  76 #ifdef PREFIX_QUERY
  77 #include <pquery.h>
  78 #else
  79 #include <yaz-ccl.h>
  80 #endif
  81 #endif
  82
  83 #define C_PROMPT "Z> "
  84
  85 static ODR out, in, print;              /* encoding and decoding streams */
  86 static COMSTACK conn = 0;               /* our z-association */
  87 static Z_IdAuthentication *auth = 0;    /* our current auth definition */
  88 static char database[512] = "Default";  /* Database name */
  89 static int setnumber = 0;               /* current result set number */
  90 static int smallSetUpperBound = 0;
  91 static int largeSetLowerBound = 1;
  92 static int mediumSetPresentNumber = 0;
  93 static int setno = 1;                   /* current set offset */
  94 static int protocol = PROTO_Z3950;      /* current app protocol */
  95 static int recordsyntax = VAL_USMARC;
  96 static ODR_MEM session_mem;                /* memory handle for init-response */
  97 static Z_InitResponse *session = 0;        /* session parameters */
  98 static char last_scan[512] = "0";
  99 static char last_cmd[100] = "?";
 100 #ifdef RPN_QUERY
 101 #ifndef PREFIX_QUERY
 102 static CCL_bibset bibset;               /* CCL bibset handle */
 103 #endif
 104 #endif
 105
 106 static void send_apdu(Z_APDU *a)
 107 {
 108     char *buf;
 109     int len;
 110
 111     if (!z_APDU(out, &a, 0))
 112     {
 113         odr_perror(out, "Encoding APDU");
 114         exit(1);
 115     }
 116     buf = odr_getbuf(out, &len, 0);
 117     odr_reset(out); /* release the APDU */
 118     if (cs_put(conn, buf, len) < 0)
 119     {
 120         fprintf(stderr, "cs_put: %s", cs_errlist[cs_errno(conn)]);
 121         exit(1);
 122     }
 123 }
 124
 125 /* INIT SERVICE ------------------------------- */
 126
 127 static void send_initRequest()
 128 {
 129     Z_APDU *apdu = zget_APDU(out, Z_APDU_initRequest);
 130     Z_InitRequest *req = apdu->u.initRequest;
 131
 132     ODR_MASK_SET(req->options, Z_Options_search);
 133     ODR_MASK_SET(req->options, Z_Options_present);
 134     ODR_MASK_SET(req->options, Z_Options_namedResultSets);
 135     ODR_MASK_SET(req->options, Z_Options_triggerResourceCtrl);
 136     ODR_MASK_SET(req->options, Z_Options_scan);
 137
 138     ODR_MASK_SET(req->protocolVersion, Z_ProtocolVersion_1);
 139     ODR_MASK_SET(req->protocolVersion, Z_ProtocolVersion_2);
 140
 141     req->idAuthentication = auth;
 142
 143     send_apdu(apdu);
 144     printf("Sent initrequest.\n");
 145 }
 146
 147 static int process_initResponse(Z_InitResponse *res)
 148 {
 149     /* save session parameters for later use */
 150     session_mem = odr_extract_mem(in);
 151     session = res;
 152
 153     if (!*res->result)
 154         printf("Connection rejected by target.\n");
 155     else
 156         printf("Connection accepted by target.\n");
 157     if (res->implementationId)
 158         printf("ID     : %s\n", res->implementationId);
 159     if (res->implementationName)
 160         printf("Name   : %s\n", res->implementationName);
 161     if (res->implementationVersion)
 162         printf("Version: %s\n", res->implementationVersion);
 163     if (res->userInformationField)
 164     {
 165         printf("UserInformationfield:\n");
 166         if (!odr_external(print, (Odr_external**)&res-> userInformationField,
 167             0))
 168         {
 169             odr_perror(print, "Printing userinfo\n");
 170             odr_reset(print);
 171         }
 172         if (res->userInformationField->which == ODR_EXTERNAL_octet)
 173         {
 174             printf("Guessing visiblestring:\n");
 175             printf("'%s'\n", res->userInformationField->u. octet_aligned->buf);
 176         }
 177     }
 178     return 0;
 179 }
 180
 181 int cmd_open(char *arg)
 182 {
 183     void *add;
 184     char type[100], addr[100];
 185     CS_TYPE t;
 186
 187     if (conn)
 188     {
 189         printf("Already connected.\n");
 190         return 0;
 191     }
 192     if (!*arg || sscanf(arg, "%[^:]:%s", type, addr) < 2)
 193     {
 194         fprintf(stderr, "Usage: open (osi|tcp) ':' [tsel '/']host[':'port]\n");
 195         return 0;
 196     }
 197 #ifdef USE_XTIMOSI
 198     if (!strcmp(type, "osi"))
 199     {
 200         if (!(add = mosi_strtoaddr(addr)))
 201         {
 202             perror(arg);
 203             return 0;
 204         }
 205         t = mosi_type;
 206         protocol = PROTO_SR;
 207     }
 208     else
 209 #endif
 210     if (!strcmp(type, "tcp"))
 211     {
 212         if (!(add = tcpip_strtoaddr(addr)))
 213         {
 214             perror(arg);
 215             return 0;
 216         }
 217         t = tcpip_type;
 218         protocol = PROTO_Z3950;
 219     }
 220     else
 221     {
 222         fprintf(stderr, "Bad type: %s\n", type);
 223         return 0;
 224     }
 225     if (!(conn = cs_create(t, 1, protocol)))
 226     {
 227         perror("cs_create");
 228         return 0;
 229     }
 230     printf("Connecting...");
 231     fflush(stdout);
 232     if (cs_connect(conn, add) < 0)
 233     {
 234         perror("connect");
 235         cs_close(conn);
 236         conn = 0;
 237         return 0;
 238     }
 239     printf("Ok.\n");
 240     send_initRequest();
 241     return 2;
 242 }
 243
 244 int cmd_authentication(char *arg)
 245 {
 246     static Z_IdAuthentication au;
 247     static char open[256];
 248
 249     if (!*arg)
 250     {
 251         printf("Auth field set to null\n");
 252         auth = 0;
 253         return 1;
 254     }
 255     auth = &au;
 256     au.which = Z_IdAuthentication_open;
 257     au.u.open = open;
 258     strcpy(open, arg);
 259     return 1;
 260 }
 261
 262 /* SEARCH SERVICE ------------------------------ */
 263
 264 void display_record(Z_DatabaseRecord *p)
 265 {
 266     Odr_external *r = (Odr_external*) p;
 267     oident *ent = oid_getentbyoid(r->direct_reference);
 268
 269     if (r->direct_reference)
 270     {
 271         printf("Record type: ");
 272         if (ent)
 273             printf("%s\n", ent->desc);
 274         else if (!odr_oid(print, &r->direct_reference, 0))
 275         {
 276             odr_perror(print, "print oid");
 277             odr_reset(print);
 278         }
 279     }
 280     if (r->which == ODR_EXTERNAL_octet && p->u.octet_aligned->len)
 281         marc_display ((char*)p->u.octet_aligned->buf, stdout);
 282     else if (ent->value == VAL_SUTRS)
 283     {
 284         Odr_oct *rc;
 285
 286         if (!z_SUTRS(in, &rc, 0))
 287         {
 288             odr_perror(in, "decoding SUTRS");
 289             odr_reset(in);
 290         }
 291         else
 292             printf("%.*s", rc->len, rc->buf);
 293     }
 294     else
 295     {
 296         printf("Unknown record representation.\n");
 297         if (!odr_external(print, &r, 0))
 298         {
 299             odr_perror(print, "Printing external");
 300             odr_reset(print);
 301         }
 302     }
 303 }
 304
 305 static void display_diagrec(Z_DiagRec *p)
 306 {
 307     oident *ent;
 308 #ifdef Z_95
 309     Z_DefaultDiagFormat *r;
 310 #else
 311     Z_DiagRec *r = p;
 312 #endif
 313
 314     printf("Diagnostic message from database:\n");
 315 #ifdef Z_95
 316     if (p->which != Z_DiagRec_defaultFormat)
 317     {
 318         printf("Diagnostic record not in default format.\n");
 319         return;
 320     }
 321     else
 322         r = p->u.defaultFormat;
 323 #endif
 324     if (!(ent = oid_getentbyoid(r->diagnosticSetId)) ||
 325         ent->class != CLASS_DIAGSET || ent->value != VAL_BIB1)
 326         printf("Missing or unknown diagset\n");
 327     printf("    [%d] %s", *r->condition, diagbib1_str(*r->condition));
 328     if (r->addinfo && *r->addinfo)
 329         printf(" -- %s\n", r->addinfo);
 330     else
 331         printf("\n");
 332 }
 333
 334 static void display_nameplusrecord(Z_NamePlusRecord *p)
 335 {
 336     if (p->databaseName)
 337         printf("[%s]", p->databaseName);
 338     if (p->which == Z_NamePlusRecord_surrogateDiagnostic)
 339         display_diagrec(p->u.surrogateDiagnostic);
 340     else
 341         display_record(p->u.databaseRecord);
 342 }
 343
 344 static void display_records(Z_Records *p)
 345 {
 346     int i;
 347
 348     if (p->which == Z_Records_NSD)
 349         display_diagrec(p->u.nonSurrogateDiagnostic);
 350     else
 351     {
 352         printf("Records: %d\n", p->u.databaseOrSurDiagnostics->num_records);
 353         for (i = 0; i < p->u.databaseOrSurDiagnostics->num_records; i++)
 354             display_nameplusrecord(p->u.databaseOrSurDiagnostics->records[i]);
 355     }
 356 }
 357
 358 static int send_searchRequest(char *arg)
 359 {
 360     Z_APDU *apdu = zget_APDU(out, Z_APDU_searchRequest);
 361     Z_SearchRequest *req = apdu->u.searchRequest;
 362     char *databaseNames = database;
 363     Z_Query query;
 364 #ifdef RPN_QUERY
 365 #ifndef PREFIX_QUERY
 366     struct ccl_rpn_node *rpn;
 367     int error, pos;
 368 #endif
 369 #endif
 370     char setstring[100];
 371 #ifdef RPN_QUERY
 372     Z_RPNQuery *RPNquery;
 373     oident bib1;
 374 #else
 375     Odr_oct ccl_query;
 376 #endif
 377
 378 #ifdef RPN_QUERY
 379 #ifndef PREFIX_QUERY
 380     rpn = ccl_find_str(bibset, arg, &error, &pos);
 381     if (error)
 382     {
 383         printf("CCL ERROR: %s\n", ccl_err_msg(error));
 384         return 0;
 385     }
 386 #endif
 387 #endif
 388
 389     if (!strcmp(arg, "@big")) /* strictly for troublemaking */
 390     {
 391         static unsigned char big[2100];
 392         static Odr_oct bigo;
 393
 394         /* send a very big referenceid to test transport stack etc. */
 395         memset(big, 'A', 2100);
 396         bigo.len = bigo.size = 2100;
 397         bigo.buf = big;
 398         req->referenceId = &bigo;
 399     }
 400
 401     if (setnumber >= 0)
 402     {
 403         sprintf(setstring, "%d", ++setnumber);
 404         req->resultSetName = setstring;
 405     }
 406     *req->smallSetUpperBound = smallSetUpperBound;
 407     *req->largeSetLowerBound = largeSetLowerBound;
 408     *req->mediumSetPresentNumber = mediumSetPresentNumber;
 409     if (smallSetUpperBound > 0 || (largeSetLowerBound > 1 &&
 410         mediumSetPresentNumber > 0))
 411     {
 412         oident prefsyn;
 413
 414         prefsyn.proto = protocol;
 415         prefsyn.class = CLASS_RECSYN;
 416         prefsyn.value = recordsyntax;
 417         req->preferredRecordSyntax = odr_oiddup(out, oid_getoidbyent(&prefsyn));
 418     }
 419     req->num_databaseNames = 1;
 420     req->databaseNames = &databaseNames;
 421
 422     req->query = &query;
 423
 424 #ifdef RPN_QUERY
 425     query.which = Z_Query_type_1;
 426
 427 #ifndef PREFIX_QUERY
 428     assert((RPNquery = ccl_rpn_query(rpn)));
 429 #else
 430     RPNquery = p_query_rpn (out, arg);
 431     if (!RPNquery)
 432     {
 433         printf("Prefix query error\n");
 434         return 0;
 435     }
 436 #endif
 437     bib1.proto = protocol;
 438     bib1.class = CLASS_ATTSET;
 439     bib1.value = VAL_BIB1;
 440     RPNquery->attributeSetId = oid_getoidbyent(&bib1);
 441     query.u.type_1 = RPNquery;
 442 #else
 443     query.which = Z_Query_type_2;
 444     query.u.type_2 = &ccl_query;
 445     ccl_query.buf = (unsigned char*) arg;
 446     ccl_query.len = strlen(arg);
 447 #endif
 448
 449     send_apdu(apdu);
 450     setno = 1;
 451     printf("Sent searchRequest.\n");
 452     return 2;
 453 }
 454
 455 static int process_searchResponse(Z_SearchResponse *res)
 456 {
 457     if (*res->searchStatus)
 458         printf("Search was a success.\n");
 459     else
 460         printf("Search was a bloomin' failure.\n");
 461     printf("Number of hits: %d, setno %d\n",
 462         *res->resultCount, setnumber);
 463     printf("records returned: %d\n",
 464         *res->numberOfRecordsReturned);
 465     setno += *res->numberOfRecordsReturned;
 466     if (res->records)
 467         display_records(res->records);
 468     return 0;
 469 }
 470
 471 static int cmd_find(char *arg)
 472 {
 473     if (!*arg)
 474     {
 475         printf("Find what?\n");
 476         return 0;
 477     }
 478     if (!conn)
 479     {
 480         printf("Not connected yet\n");
 481         return 0;
 482     }
 483     if (!send_searchRequest(arg))
 484         return 0;
 485     return 2;
 486 }
 487
 488 static int cmd_ssub(char *arg)
 489 {
 490     if (!(smallSetUpperBound = atoi(arg)))
 491         return 0;
 492     return 1;
 493 }
 494
 495 static int cmd_lslb(char *arg)
 496 {
 497     if (!(largeSetLowerBound = atoi(arg)))
 498         return 0;
 499     return 1;
 500 }
 501
 502 static int cmd_mspn(char *arg)
 503 {
 504     if (!(mediumSetPresentNumber = atoi(arg)))
 505         return 0;
 506     return 1;
 507 }
 508
 509 static int cmd_status(char *arg)
 510 {
 511     printf("smallSetUpperBound: %d\n", smallSetUpperBound);
 512     printf("largeSetLowerBound: %d\n", largeSetLowerBound);
 513     printf("mediumSetPresentNumber: %d\n", mediumSetPresentNumber);
 514     return 1;
 515 }
 516
 517 static int cmd_base(char *arg)
 518 {
 519     if (!*arg)
 520     {
 521         printf("Usage: base <database>\n");
 522         return 0;
 523     }
 524     strcpy(database, arg);
 525     return 1;
 526 }
 527
 528 static int cmd_setnames(char *arg)
 529 {
 530     if (setnumber < 0)
 531     {
 532         printf("Set numbering enabled.\n");
 533         setnumber = 0;
 534     }
 535     else
 536     {
 537         printf("Set numbering disabled.\n");
 538         setnumber = -1;
 539     }
 540     return 1;
 541 }
 542
 543 /* PRESENT SERVICE ----------------------------- */
 544
 545 static int send_presentRequest(char *arg)
 546 {
 547     Z_APDU *apdu = zget_APDU(out, Z_APDU_presentRequest);
 548     Z_PresentRequest *req = apdu->u.presentRequest;
 549     oident prefsyn;
 550     int nos = 1;
 551     char *p;
 552     char setstring[100];
 553
 554     if ((p = strchr(arg, '+')))
 555     {
 556         nos = atoi(p + 1);
 557         *p = 0;
 558     }
 559     if (*arg)
 560         setno = atoi(arg);
 561
 562     if (setnumber >= 0)
 563     {
 564         sprintf(setstring, "%d", setnumber);
 565         req->resultSetId = setstring;
 566     }
 567     req->resultSetStartPoint = &setno;
 568     req->numberOfRecordsRequested = &nos;
 569     prefsyn.proto = protocol;
 570     prefsyn.class = CLASS_RECSYN;
 571     prefsyn.value = recordsyntax;
 572     req->preferredRecordSyntax = oid_getoidbyent(&prefsyn);
 573     send_apdu(apdu);
 574     printf("Sent presentRequest (%d+%d).\n", setno, nos);
 575     return 2;
 576 }
 577
 578 static int cmd_show(char *arg)
 579 {
 580     if (!send_presentRequest(arg))
 581         return 0;
 582     return 2;
 583 }
 584
 585 int cmd_quit(char *arg)
 586 {
 587     printf("See you later, alligator.\n");
 588     exit(0);
 589 }
 590
 591 int cmd_cancel(char *arg)
 592 {
 593     Z_APDU *apdu = zget_APDU(out, Z_APDU_triggerResourceControlRequest);
 594     Z_TriggerResourceControlRequest *req =
 595         apdu->u.triggerResourceControlRequest;
 596     bool_t false = 0;
 597
 598     if (!session)
 599     {
 600         printf("Session not initialized yet\n");
 601         return 0;
 602     }
 603     if (!ODR_MASK_GET(session->options, Z_Options_triggerResourceCtrl))
 604     {
 605         printf("Target doesn't support cancel (trigger resource ctrl)\n");
 606         return 0;
 607     }
 608     *req->requestedAction = Z_TriggerResourceCtrl_cancel;
 609     req->resultSetWanted = &false;
 610
 611     send_apdu(apdu);
 612     printf("Sent cancel request\n");
 613     return 2;
 614 }
 615
 616 int send_scanrequest(char *string, int pp, int num)
 617 {
 618     Z_APDU *apdu = zget_APDU(out, Z_APDU_scanRequest);
 619     Z_ScanRequest *req = apdu->u.scanRequest;
 620     char *db = database;
 621     oident attset;
 622
 623     req->num_databaseNames = 1;
 624     req->databaseNames = &db;
 625     attset.proto = protocol;
 626     attset.class = CLASS_ATTSET;
 627     attset.value = VAL_BIB1;
 628     req->attributeSet = oid_getoidbyent(&attset);
 629     req->termListAndStartPoint = p_query_scan(out, string);
 630     req->numberOfTermsRequested = &num;
 631     req->preferredPositionInResponse = &pp;
 632     send_apdu(apdu);
 633     return 2;
 634 }
 635
 636 void display_term(Z_TermInfo *t)
 637 {
 638     if (t->term->which == Z_Term_general)
 639     {
 640         printf("%.*s (%d)\n", t->term->u.general->len, t->term->u.general->buf,
 641             t->globalOccurrences ? *t->globalOccurrences : -1);
 642         sprintf(last_scan, "%.*s", t->term->u.general->len,
 643             t->term->u.general->buf);
 644     }
 645     else
 646         printf("Term type not general.\n");
 647 }
 648
 649 void process_scanResponse(Z_ScanResponse *res)
 650 {
 651     int i;
 652
 653     printf("SCAN: %d entries, position=%d\n", *res->numberOfEntriesReturned,
 654         *res->positionOfTerm);
 655     if (*res->scanStatus != Z_Scan_success)
 656         printf("Scan returned code %d\n", *res->scanStatus);
 657     if (!res->entries)
 658         return;
 659     if (res->entries->which == Z_ListEntries_entries)
 660     {
 661         Z_Entries *ent = res->entries->u.entries;
 662
 663         for (i = 0; i < ent->num_entries; i++)
 664             if (ent->entries[i]->which == Z_Entry_termInfo)
 665             {
 666                 printf("%c ", i + 1 == *res->positionOfTerm ? '*' : ' ');
 667                 display_term(ent->entries[i]->u.termInfo);
 668             }
 669             else
 670                 display_diagrec(ent->entries[i]->u.surrogateDiagnostic);
 671     }
 672     else
 673         display_diagrec(res->entries->u.nonSurrogateDiagnostics->diagRecs[0]);
 674 }
 675
 676 int cmd_scan(char *arg)
 677 {
 678     if (!session)
 679     {
 680         printf("Session not initialized yet\n");
 681         return 0;
 682     }
 683     if (!ODR_MASK_GET(session->options, Z_Options_scan))
 684     {
 685         printf("Target doesn't support scan\n");
 686         return 0;
 687     }
 688     if (*arg)
 689     {
 690         if (send_scanrequest(arg, 5, 20) < 0)
 691             return 0;
 692     }
 693     else
 694         if (send_scanrequest(last_scan, 1, 20) < 0)
 695             return 0;
 696     return 2;
 697 }
 698
 699 int cmd_format(char *arg)
 700 {
 701     if (!arg || !*arg)
 702     {
 703         printf("Usage: format <recordsyntax>\n");
 704         return 0;
 705     }
 706     if (!strcmp(arg, "sutrs"))
 707     {
 708         printf("Preferred format is SUTRS.\n");
 709         recordsyntax = VAL_SUTRS;
 710         return 1;
 711     }
 712     else if (!strcmp(arg, "usmarc"))
 713     {
 714         printf("Preferred format is USMARC\n");
 715         recordsyntax = VAL_USMARC;
 716         return 1;
 717     }
 718     else if (!strcmp(arg, "danmarc"))
 719     {
 720         printf("Preferred format is DANMARC\n");
 721         recordsyntax = VAL_DANMARC;
 722         return 1;
 723     }
 724     else
 725     {
 726         printf("Specify one of {sutrs,usmarc,danmarc}.\n");
 727         return 0;
 728     }
 729 }
 730
 731 static void initialize(void)
 732 {
 733 #ifdef RPN_QUERY
 734 #ifndef PREFIX_QUERY
 735     FILE *inf;
 736 #endif
 737 #endif
 738
 739     if (!(out = odr_createmem(ODR_ENCODE)) ||
 740         !(in = odr_createmem(ODR_DECODE)) ||
 741         !(print = odr_createmem(ODR_PRINT)))
 742     {
 743         fprintf(stderr, "failed to allocate ODR streams\n");
 744         exit(1);
 745     }
 746     setvbuf(stdout, 0, _IONBF, 0);
 747
 748 #ifdef RPN_QUERY
 749 #ifndef PREFIX_QUERY
 750     bibset = ccl_qual_mk ();
 751     inf = fopen ("default.bib", "r");
 752     if (inf)
 753     {
 754         ccl_qual_file (bibset, inf);
 755         fclose (inf);
 756     }
 757 #endif
 758 #endif
 759 }
 760
 761 static int client(void)
 762 {
 763     static struct {
 764         char *cmd;
 765         int (*fun)(char *arg);
 766         char *ad;
 767     } cmd[] = {
 768         {"open", cmd_open, "('tcp'|'osi')':'[<TSEL>'/']<HOST>[':'<PORT>]"},
 769         {"quit", cmd_quit, ""},
 770         {"find", cmd_find, "<CCL-QUERY>"},
 771         {"base", cmd_base, "<BASE-NAME>"},
 772         {"show", cmd_show, "<REC#>['+'<#RECS>]"},
 773         {"scan", cmd_scan, "<TERM>"},
 774         {"authentication", cmd_authentication, "<ACCTSTRING>"},
 775         {"lslb", cmd_lslb, "<largeSetLowerBound>"},
 776         {"ssub", cmd_ssub, "<smallSetUpperBound>"},
 777         {"mspn", cmd_mspn, "<mediumSetPresentNumber>"},
 778         {"status", cmd_status, ""},
 779         {"setnames", cmd_setnames, ""},
 780         {"cancel", cmd_cancel, ""},
 781         {"format", cmd_format, "<recordsyntax>"},
 782         {0,0}
 783     };
 784     char *netbuffer= 0;
 785     int netbufferlen = 0;
 786     int i;
 787     Z_APDU *apdu;
 788
 789     while (1)
 790     {
 791         int res;
 792         fd_set input;
 793         char line[1024], word[1024], arg[1024];
 794
 795         FD_ZERO(&input);
 796         FD_SET(0, &input);
 797         if (conn)
 798             FD_SET(cs_fileno(conn), &input);
 799         if ((res = select(20, &input, 0, 0, 0)) < 0)
 800         {
 801             perror("select");
 802             exit(1);
 803         }
 804         if (!res)
 805             continue;
 806         if (FD_ISSET(0, &input))
 807         {
 808             /* quick & dirty way to get a command line. */
 809             if (!gets(line))
 810                 break;
 811             if ((res = sscanf(line, "%s %[^;]", word, arg)) <= 0)
 812             {
 813                 strcpy(word, last_cmd);
 814                 *arg = '\0';
 815             }
 816             else if (res == 1)
 817                 *arg = 0;
 818             strcpy(last_cmd, word);
 819             for (i = 0; cmd[i].cmd; i++)
 820                 if (!strncmp(cmd[i].cmd, word, strlen(word)))
 821                 {
 822                     res = (*cmd[i].fun)(arg);
 823                     break;
 824                 }
 825             if (!cmd[i].cmd) /* dump our help-screen */
 826             {
 827                 printf("Unknown command: %s.\n", word);
 828                 printf("Currently recognized commands:\n");
 829                 for (i = 0; cmd[i].cmd; i++)
 830                     printf("   %s %s\n", cmd[i].cmd, cmd[i].ad);
 831                 res = 1;
 832             }
 833             if (res < 2)
 834                 printf(C_PROMPT);
 835         }
 836         if (conn && FD_ISSET(cs_fileno(conn), &input))
 837         {
 838             do
 839             {
 840                 if ((res = cs_get(conn, &netbuffer, &netbufferlen)) < 0)
 841                 {
 842                     perror("cs_get");
 843                     exit(1);
 844                 }
 845                 if (!res)
 846                 {
 847                     printf("Target closed connection.\n");
 848                     exit(1);
 849                 }
 850                 odr_reset(in); /* release APDU from last round */
 851                 odr_setbuf(in, netbuffer, res, 0);
 852                 if (!z_APDU(in, &apdu, 0))
 853                 {
 854                     odr_perror(in, "Decoding incoming APDU");
 855                     fprintf(stderr, "Packet dump:\n---------\n");
 856                     odr_dumpBER(stderr, netbuffer, res);
 857                     fprintf(stderr, "---------\n");
 858                     exit(1);
 859                 }
 860 #if 0
 861                 if (!z_APDU(print, &apdu, 0))
 862                 {
 863                     odr_perror(print, "Failed to print incoming APDU");
 864                     odr_reset(print);
 865                     continue;
 866                 }
 867 #endif
 868                 switch(apdu->which)
 869                 {
 870                     case Z_APDU_initResponse:
 871                         process_initResponse(apdu->u.initResponse);
 872                         break;
 873                     case Z_APDU_searchResponse:
 874                         process_searchResponse(apdu->u.searchResponse);
 875                         break;
 876                     case Z_APDU_scanResponse:
 877                         process_scanResponse(apdu->u.scanResponse);
 878                         break;
 879                     case Z_APDU_presentResponse:
 880                         printf("Received presentResponse.\n");
 881                         setno +=
 882                             *apdu->u.presentResponse->numberOfRecordsReturned;
 883                         if (apdu->u.presentResponse->records)
 884                             display_records(apdu->u.presentResponse->records);
 885                         else
 886                             printf("No records.\n");
 887                         break;
 888                     default:
 889                         printf("Received unknown APDU type (%d).\n",
 890                             apdu->which);
 891                         exit(1);
 892                 }
 893                 printf("Z> ");
 894                 fflush(stdout);
 895             }
 896             while (cs_more(conn));
 897         }
 898     }
 899     return 0;
 900 }
 901
 902 int main(int argc, char **argv)
 903 {
 904     initialize();
 905     if (argc > 1)
 906         cmd_open(argv[1]);
 907     else
 908         printf(C_PROMPT);
 909     return client();
 910 }