source3/printing/print_iprint.c

   1 /*
   2  * Support code for Novell iPrint using the Common UNIX Printing
   3  * System ("CUPS") libraries
   4  *
   5  * Copyright 1999-2003 by Michael R Sweet.
   6  * Portions Copyright 2005 by Joel J. Smith.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include "includes.h"
  24 #include "printing.h"
  25
  26 #ifdef HAVE_IPRINT
  27 #include <cups/cups.h>
  28 #include <cups/language.h>
  29
  30 #define OPERATION_NOVELL_LIST_PRINTERS          0x401A
  31 #define OPERATION_NOVELL_MGMT                   0x401C
  32 #define NOVELL_SERVER_SYSNAME                   "sysname="
  33 #define NOVELL_SERVER_SYSNAME_NETWARE           "NetWare IA32"
  34 #define NOVELL_SERVER_VERSION_STRING            "iprintserverversion="
  35 #define NOVELL_SERVER_VERSION_OES_SP1           33554432
  36
  37 /*
  38  * 'iprint_passwd_cb()' - The iPrint password callback...
  39  */
  40
  41 static const char *                             /* O - Password or NULL */
  42 iprint_passwd_cb(const char *prompt)    /* I - Prompt */
  43 {
  44        /*
  45         * Always return NULL to indicate that no password is available...
  46         */
  47
  48         return (NULL);
  49 }
  50
  51 static const char *iprint_server(void)
  52 {
  53         if ((lp_iprint_server() != NULL) && (strlen(lp_iprint_server()) > 0)) {
  54                 DEBUG(10, ("iprint server explicitly set to %s\n",
  55                            lp_iprint_server()));
  56                 return lp_iprint_server();
  57         }
  58
  59         DEBUG(10, ("iprint server left to default %s\n", cupsServer()));
  60         return cupsServer();
  61 }
  62
  63 /*
  64  * Pass in an already connected http_t*
  65  * Returns the server version if one can be found, multiplied by
  66  * -1 for all NetWare versions.  Returns 0 if a server version
  67  * cannot be determined
  68  */
  69
  70 static int iprint_get_server_version(http_t *http, char* serviceUri)
  71 {
  72         ipp_t           *request = NULL,        /* IPP Request */
  73                         *response = NULL;       /* IPP Response */
  74         ipp_attribute_t *attr;                  /* Current attribute */
  75         cups_lang_t     *language = NULL;       /* Default language */
  76         char            *ver;                   /* server version pointer */
  77         char            *vertmp;                /* server version tmp pointer */
  78         int             serverVersion = 0;      /* server version */
  79         char            *os;                    /* server os */
  80         int             osFlag = 0;             /* 0 for NetWare, 1 for anything else */
  81         char            *temp;                  /* pointer for string manipulation */
  82
  83        /*
  84         * Build an OPERATION_NOVELL_MGMT("get-server-version") request,
  85         * which requires the following attributes:
  86         *
  87         *    attributes-charset
  88         *    attributes-natural-language
  89         *    operation-name
  90         *    service-uri
  91         */
  92
  93         request = ippNew();
  94
  95         request->request.op.operation_id = (ipp_op_t)OPERATION_NOVELL_MGMT;
  96         request->request.op.request_id   = 1;
  97
  98         language = cupsLangDefault();
  99
 100         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 101                      "attributes-charset", NULL, "utf-8");
 102
 103         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 104                      "attributes-natural-language", NULL, language->language);
 105
 106         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
 107                      "service-uri", NULL, serviceUri);
 108
 109         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
 110                       "operation-name", NULL, "get-server-version");
 111
 112        /*
 113         * Do the request and get back a response...
 114         */
 115
 116         if (((response = cupsDoRequest(http, request, "/ipp/")) == NULL) ||
 117             (response->request.status.status_code >= IPP_OK_CONFLICT))
 118                 goto out;
 119
 120         if (((attr = ippFindAttribute(response, "server-version",
 121                                       IPP_TAG_STRING)) != NULL)) {
 122                 if ((ver = strstr(attr->values[0].string.text,
 123                                   NOVELL_SERVER_VERSION_STRING)) != NULL) {
 124                         ver += strlen(NOVELL_SERVER_VERSION_STRING);
 125                        /*
 126                         * Strangely, libcups stores a IPP_TAG_STRING (octet
 127                         * string) as a null-terminated string with no length
 128                         * even though it could be binary data with nulls in
 129                         * it.  Luckily, in this case the value is not binary.
 130                         */
 131                         serverVersion = strtol(ver, &vertmp, 10);
 132
 133                         /* Check for not found, overflow or negative version */
 134                         if ((ver == vertmp) || (serverVersion < 0))
 135                                 serverVersion = 0;
 136                 }
 137
 138                 if ((os = strstr(attr->values[0].string.text,
 139                                   NOVELL_SERVER_SYSNAME)) != NULL) {
 140                         os += strlen(NOVELL_SERVER_SYSNAME);
 141                         if ((temp = strchr(os,'<')) != NULL)
 142                                 *temp = '\0';
 143                         if (strcmp(os,NOVELL_SERVER_SYSNAME_NETWARE))
 144                                 osFlag = 1; /* 1 for non-NetWare systems */
 145                 }
 146         }
 147
 148  out:
 149         if (response)
 150                 ippDelete(response);
 151
 152         if (language)
 153                 cupsLangFree(language);
 154
 155         if (osFlag == 0)
 156                 serverVersion *= -1;
 157
 158         return serverVersion;
 159 }
 160
 161
 162 static int iprint_cache_add_printer(http_t *http,
 163                                    int reqId,
 164                                    char* url)
 165 {
 166         ipp_t           *request = NULL,        /* IPP Request */
 167                         *response = NULL;       /* IPP Response */
 168         ipp_attribute_t *attr;                  /* Current attribute */
 169         cups_lang_t     *language = NULL;       /* Default language */
 170         char            *name,                  /* printer-name attribute */
 171                         *info,                  /* printer-info attribute */
 172                         smb_enabled,            /* smb-enabled attribute */
 173                         secure;                 /* security-enabled attrib. */
 174
 175         char            *httpPath;      /* path portion of the printer-uri */
 176
 177         static const char *pattrs[] =   /* Requested printer attributes */
 178                         {
 179                           "printer-name",
 180                           "security-enabled",
 181                           "printer-info",
 182                           "smb-enabled"
 183                         };
 184
 185         request = ippNew();
 186
 187         request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
 188         request->request.op.request_id   = reqId;
 189
 190         language = cupsLangDefault();
 191
 192         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 193                      "attributes-charset", NULL, "utf-8");
 194
 195         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 196                      "attributes-natural-language", NULL, language->language);
 197
 198         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, url);
 199
 200         ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
 201                       "requested-attributes",
 202                       (sizeof(pattrs) / sizeof(pattrs[0])),
 203                       NULL, pattrs);
 204
 205         /*
 206          * Do the request and get back a response...
 207          */
 208
 209         if ((httpPath = strstr(url,"://")) == NULL ||
 210                         (httpPath = strchr(httpPath+3,'/')) == NULL)
 211         {
 212                 ippDelete(request);
 213                 request = NULL;
 214                 goto out;
 215         }
 216
 217         if ((response = cupsDoRequest(http, request, httpPath)) == NULL) {
 218                 ipp_status_t lastErr = cupsLastError();
 219
 220                /*
 221                 * Ignore printers that cannot be queried without credentials
 222                 */
 223                 if (lastErr == IPP_FORBIDDEN ||
 224                     lastErr == IPP_NOT_AUTHENTICATED ||
 225                     lastErr == IPP_NOT_AUTHORIZED)
 226                         goto out;
 227
 228                 DEBUG(0,("Unable to get printer list - %s\n",
 229                       ippErrorString(lastErr)));
 230                 goto out;
 231         }
 232
 233         for (attr = response->attrs; attr != NULL;) {
 234                /*
 235                 * Skip leading attributes until we hit a printer...
 236                 */
 237
 238                 while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
 239                         attr = attr->next;
 240
 241                 if (attr == NULL)
 242                         break;
 243
 244                /*
 245                 * Pull the needed attributes from this printer...
 246                 */
 247
 248                 name       = NULL;
 249                 info       = NULL;
 250                 smb_enabled= 1;
 251                 secure     = 0;
 252
 253                 while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER) {
 254                         if (strcmp(attr->name, "printer-name") == 0 &&
 255                             attr->value_tag == IPP_TAG_NAME)
 256                                 name = attr->values[0].string.text;
 257
 258                         if (strcmp(attr->name, "printer-info") == 0 &&
 259                             (attr->value_tag == IPP_TAG_TEXT ||
 260                             attr->value_tag == IPP_TAG_TEXTLANG))
 261                                 info = attr->values[0].string.text;
 262
 263                        /*
 264                         * If the smb-enabled attribute is present and the
 265                         * value is set to 0, don't show the printer.
 266                         * If the attribute is not present, assume that the
 267                         * printer should show up
 268                         */
 269                         if (!strcmp(attr->name, "smb-enabled") &&
 270                             ((attr->value_tag == IPP_TAG_INTEGER &&
 271                             !attr->values[0].integer) ||
 272                             (attr->value_tag == IPP_TAG_BOOLEAN &&
 273                             !attr->values[0].boolean)))
 274                                 smb_enabled = 0;
 275
 276                        /*
 277                         * If the security-enabled attribute is present and the
 278                         * value is set to 1, don't show the printer.
 279                         * If the attribute is not present, assume that the
 280                         * printer should show up
 281                         */
 282                         if (!strcmp(attr->name, "security-enabled") &&
 283                             ((attr->value_tag == IPP_TAG_INTEGER &&
 284                             attr->values[0].integer) ||
 285                             (attr->value_tag == IPP_TAG_BOOLEAN &&
 286                             attr->values[0].boolean)))
 287                                 secure = 1;
 288
 289                         attr = attr->next;
 290                 }
 291
 292                /*
 293                 * See if we have everything needed...
 294                 * Make sure the printer is not a secure printer
 295                 * and make sure smb printing hasn't been explicitly
 296                 * disabled for the printer
 297                 */
 298
 299                 if (name != NULL && !secure && smb_enabled)
 300                         pcap_cache_add(name, info);
 301         }
 302
 303  out:
 304         if (response)
 305                 ippDelete(response);
 306         return(0);
 307 }
 308
 309 BOOL iprint_cache_reload(void)
 310 {
 311         http_t          *http = NULL;           /* HTTP connection to server */
 312         ipp_t           *request = NULL,        /* IPP Request */
 313                         *response = NULL;       /* IPP Response */
 314         ipp_attribute_t *attr;                  /* Current attribute */
 315         cups_lang_t     *language = NULL;       /* Default language */
 316         int             i;
 317         BOOL ret = False;
 318
 319         DEBUG(5, ("reloading iprint printcap cache\n"));
 320
 321        /*
 322         * Make sure we don't ask for passwords...
 323         */
 324
 325         cupsSetPasswordCB(iprint_passwd_cb);
 326
 327        /*
 328         * Try to connect to the server...
 329         */
 330
 331         if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
 332                 DEBUG(0,("Unable to connect to iPrint server %s - %s\n",
 333                          iprint_server(), strerror(errno)));
 334                 goto out;
 335         }
 336
 337        /*
 338         * Build a OPERATION_NOVELL_LIST_PRINTERS request, which requires the following attributes:
 339         *
 340         *    attributes-charset
 341         *    attributes-natural-language
 342         */
 343
 344         request = ippNew();
 345
 346         request->request.op.operation_id =
 347                 (ipp_op_t)OPERATION_NOVELL_LIST_PRINTERS;
 348         request->request.op.request_id   = 1;
 349
 350         language = cupsLangDefault();
 351
 352         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 353                      "attributes-charset", NULL, "utf-8");
 354
 355         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 356                      "attributes-natural-language", NULL, language->language);
 357
 358         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
 359                      "ipp-server", NULL, "ippSrvr");
 360
 361        /*
 362         * Do the request and get back a response...
 363         */
 364
 365         if ((response = cupsDoRequest(http, request, "/ipp")) == NULL) {
 366                 DEBUG(0,("Unable to get printer list - %s\n",
 367                          ippErrorString(cupsLastError())));
 368                 goto out;
 369         }
 370
 371         for (attr = response->attrs; attr != NULL;) {
 372                /*
 373                 * Skip leading attributes until we hit a printer...
 374                 */
 375
 376                 while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
 377                         attr = attr->next;
 378
 379                 if (attr == NULL)
 380                         break;
 381
 382                /*
 383                 * Pull the needed attributes from this printer...
 384                 */
 385
 386                 while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
 387                 {
 388                         if (strcmp(attr->name, "printer-name") == 0 &&
 389                             (attr->value_tag == IPP_TAG_URI ||
 390                              attr->value_tag == IPP_TAG_NAME ||
 391                              attr->value_tag == IPP_TAG_TEXT ||
 392                              attr->value_tag == IPP_TAG_NAMELANG ||
 393                              attr->value_tag == IPP_TAG_TEXTLANG))
 394                         {
 395                                 for (i = 0; i<attr->num_values; i++)
 396                                 {
 397                                         char *url = attr->values[i].string.text;
 398                                         if (!url || !strlen(url))
 399                                                 continue;
 400                                         iprint_cache_add_printer(http, i+2, url);
 401                                 }
 402                         }
 403                         attr = attr->next;
 404                 }
 405         }
 406
 407         ret = True;
 408
 409  out:
 410         if (response)
 411                 ippDelete(response);
 412
 413         if (language)
 414                 cupsLangFree(language);
 415
 416         if (http)
 417                 httpClose(http);
 418
 419         return ret;
 420 }
 421
 422
 423 /*
 424  * 'iprint_job_delete()' - Delete a job.
 425  */
 426
 427 static int iprint_job_delete(const char *sharename, const char *lprm_command, struct printjob *pjob)
 428 {
 429         int             ret = 1;                /* Return value */
 430         http_t          *http = NULL;           /* HTTP connection to server */
 431         ipp_t           *request = NULL,        /* IPP Request */
 432                         *response = NULL;       /* IPP Response */
 433         cups_lang_t     *language = NULL;       /* Default language */
 434         char            uri[HTTP_MAX_URI];      /* printer-uri attribute */
 435         char            httpPath[HTTP_MAX_URI]; /* path portion of the printer-uri */
 436
 437
 438         DEBUG(5,("iprint_job_delete(%s, %p (%d))\n", sharename, pjob, pjob->sysjob));
 439
 440        /*
 441         * Make sure we don't ask for passwords...
 442         */
 443
 444         cupsSetPasswordCB(iprint_passwd_cb);
 445
 446        /*
 447         * Try to connect to the server...
 448         */
 449
 450         if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
 451                 DEBUG(0,("Unable to connect to iPrint server %s - %s\n",
 452                          iprint_server(), strerror(errno)));
 453                 goto out;
 454         }
 455
 456        /*
 457         * Build an IPP_CANCEL_JOB request, which uses the following
 458         * attributes:
 459         *
 460         *    attributes-charset
 461         *    attributes-natural-language
 462         *    printer-uri
 463         *    job-id
 464         *    requesting-user-name
 465         */
 466
 467         request = ippNew();
 468
 469         request->request.op.operation_id = IPP_CANCEL_JOB;
 470         request->request.op.request_id   = 1;
 471
 472         language = cupsLangDefault();
 473
 474         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 475                      "attributes-charset", NULL, "utf-8");
 476
 477         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 478                      "attributes-natural-language", NULL, language->language);
 479
 480         slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(), sharename);
 481
 482         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
 483
 484         ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", pjob->sysjob);
 485
 486         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
 487                      NULL, pjob->user);
 488
 489        /*
 490         * Do the request and get back a response...
 491         */
 492
 493         slprintf(httpPath, sizeof(httpPath) - 1, "/ipp/%s", sharename);
 494
 495         if ((response = cupsDoRequest(http, request, httpPath)) != NULL) {
 496                 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
 497                         DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob,
 498                                 ippErrorString(cupsLastError())));
 499                 } else {
 500                         ret = 0;
 501                 }
 502         } else {
 503                 DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob,
 504                         ippErrorString(cupsLastError())));
 505         }
 506
 507  out:
 508         if (response)
 509                 ippDelete(response);
 510
 511         if (language)
 512                 cupsLangFree(language);
 513
 514         if (http)
 515                 httpClose(http);
 516
 517         return ret;
 518 }
 519
 520
 521 /*
 522  * 'iprint_job_pause()' - Pause a job.
 523  */
 524
 525 static int iprint_job_pause(int snum, struct printjob *pjob)
 526 {
 527         int             ret = 1;                /* Return value */
 528         http_t          *http = NULL;           /* HTTP connection to server */
 529         ipp_t           *request = NULL,        /* IPP Request */
 530                         *response = NULL;       /* IPP Response */
 531         cups_lang_t     *language = NULL;       /* Default language */
 532         char            uri[HTTP_MAX_URI];      /* printer-uri attribute */
 533         char            httpPath[HTTP_MAX_URI]; /* path portion of the printer-uri */
 534
 535
 536         DEBUG(5,("iprint_job_pause(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
 537
 538        /*
 539         * Make sure we don't ask for passwords...
 540         */
 541
 542         cupsSetPasswordCB(iprint_passwd_cb);
 543
 544        /*
 545         * Try to connect to the server...
 546         */
 547
 548         if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
 549                 DEBUG(0,("Unable to connect to iPrint server %s - %s\n",
 550                          iprint_server(), strerror(errno)));
 551                 goto out;
 552         }
 553
 554        /*
 555         * Build an IPP_HOLD_JOB request, which requires the following
 556         * attributes:
 557         *
 558         *    attributes-charset
 559         *    attributes-natural-language
 560         *    printer-uri
 561         *    job-id
 562         *    requesting-user-name
 563         */
 564
 565         request = ippNew();
 566
 567         request->request.op.operation_id = IPP_HOLD_JOB;
 568         request->request.op.request_id   = 1;
 569
 570         language = cupsLangDefault();
 571
 572         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 573                      "attributes-charset", NULL, "utf-8");
 574
 575         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 576                      "attributes-natural-language", NULL, language->language);
 577
 578         slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(), PRINTERNAME(snum));
 579
 580         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
 581
 582         ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", pjob->sysjob);
 583
 584         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
 585                      NULL, pjob->user);
 586
 587        /*
 588         * Do the request and get back a response...
 589         */
 590
 591         slprintf(httpPath, sizeof(httpPath) - 1, "/ipp/%s", PRINTERNAME(snum));
 592
 593         if ((response = cupsDoRequest(http, request, httpPath)) != NULL) {
 594                 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
 595                         DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob,
 596                                 ippErrorString(cupsLastError())));
 597                 } else {
 598                         ret = 0;
 599                 }
 600         } else {
 601                 DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob,
 602                         ippErrorString(cupsLastError())));
 603         }
 604
 605  out:
 606         if (response)
 607                 ippDelete(response);
 608
 609         if (language)
 610                 cupsLangFree(language);
 611
 612         if (http)
 613                 httpClose(http);
 614
 615         return ret;
 616 }
 617
 618
 619 /*
 620  * 'iprint_job_resume()' - Resume a paused job.
 621  */
 622
 623 static int iprint_job_resume(int snum, struct printjob *pjob)
 624 {
 625         int             ret = 1;                /* Return value */
 626         http_t          *http = NULL;           /* HTTP connection to server */
 627         ipp_t           *request = NULL,        /* IPP Request */
 628                         *response = NULL;       /* IPP Response */
 629         cups_lang_t     *language = NULL;       /* Default language */
 630         char            uri[HTTP_MAX_URI];      /* printer-uri attribute */
 631         char            httpPath[HTTP_MAX_URI]; /* path portion of the printer-uri */
 632
 633
 634         DEBUG(5,("iprint_job_resume(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
 635
 636        /*
 637         * Make sure we don't ask for passwords...
 638         */
 639
 640         cupsSetPasswordCB(iprint_passwd_cb);
 641
 642        /*
 643         * Try to connect to the server...
 644         */
 645
 646         if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
 647                 DEBUG(0,("Unable to connect to iPrint server %s - %s\n",
 648                          iprint_server(), strerror(errno)));
 649                 goto out;
 650         }
 651
 652        /*
 653         * Build an IPP_RELEASE_JOB request, which requires the following
 654         * attributes:
 655         *
 656         *    attributes-charset
 657         *    attributes-natural-language
 658         *    printer-uri
 659         *    job-id
 660         *    requesting-user-name
 661         */
 662
 663         request = ippNew();
 664
 665         request->request.op.operation_id = IPP_RELEASE_JOB;
 666         request->request.op.request_id   = 1;
 667
 668         language = cupsLangDefault();
 669
 670         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 671                      "attributes-charset", NULL, "utf-8");
 672
 673         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 674                      "attributes-natural-language", NULL, language->language);
 675
 676         slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(), PRINTERNAME(snum));
 677
 678         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
 679
 680         ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", pjob->sysjob);
 681
 682         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
 683                      NULL, pjob->user);
 684
 685        /*
 686         * Do the request and get back a response...
 687         */
 688
 689         slprintf(httpPath, sizeof(httpPath) - 1, "/ipp/%s", PRINTERNAME(snum));
 690
 691         if ((response = cupsDoRequest(http, request, httpPath)) != NULL) {
 692                 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
 693                         DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
 694                                 ippErrorString(cupsLastError())));
 695                 } else {
 696                         ret = 0;
 697                 }
 698         } else {
 699                 DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
 700                         ippErrorString(cupsLastError())));
 701         }
 702
 703  out:
 704         if (response)
 705                 ippDelete(response);
 706
 707         if (language)
 708                 cupsLangFree(language);
 709
 710         if (http)
 711                 httpClose(http);
 712
 713         return ret;
 714 }
 715
 716
 717 /*
 718  * 'iprint_job_submit()' - Submit a job for printing.
 719  */
 720
 721 static int iprint_job_submit(int snum, struct printjob *pjob)
 722 {
 723         int             ret = 1;                /* Return value */
 724         http_t          *http = NULL;           /* HTTP connection to server */
 725         ipp_t           *request = NULL,        /* IPP Request */
 726                         *response = NULL;       /* IPP Response */
 727         ipp_attribute_t *attr;          /* Current attribute */
 728         cups_lang_t     *language = NULL;       /* Default language */
 729         char            uri[HTTP_MAX_URI]; /* printer-uri attribute */
 730         char            *clientname = NULL;     /* hostname of client for job-originating-host attribute */
 731
 732         DEBUG(5,("iprint_job_submit(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
 733
 734        /*
 735         * Make sure we don't ask for passwords...
 736         */
 737
 738         cupsSetPasswordCB(iprint_passwd_cb);
 739
 740        /*
 741         * Try to connect to the server...
 742         */
 743
 744         if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
 745                 DEBUG(0,("Unable to connect to iPrint server %s - %s\n",
 746                          iprint_server(), strerror(errno)));
 747                 goto out;
 748         }
 749
 750        /*
 751         * Build an IPP_PRINT_JOB request, which requires the following
 752         * attributes:
 753         *
 754         *    attributes-charset
 755         *    attributes-natural-language
 756         *    printer-uri
 757         *    requesting-user-name
 758         *    [document-data]
 759         */
 760
 761         request = ippNew();
 762
 763         request->request.op.operation_id = IPP_PRINT_JOB;
 764         request->request.op.request_id   = 1;
 765
 766         language = cupsLangDefault();
 767
 768         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 769                      "attributes-charset", NULL, "utf-8");
 770
 771         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 772                      "attributes-natural-language", NULL, language->language);
 773
 774         slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(), PRINTERNAME(snum));
 775
 776         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
 777                      "printer-uri", NULL, uri);
 778
 779         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
 780                      NULL, pjob->user);
 781
 782         clientname = client_name();
 783         if (strcmp(clientname, "UNKNOWN") == 0) {
 784                 clientname = client_addr();
 785         }
 786
 787         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
 788                      "job-originating-host-name", NULL,
 789                      clientname);
 790
 791         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
 792                      pjob->jobname);
 793
 794        /*
 795         * Do the request and get back a response...
 796         */
 797
 798         slprintf(uri, sizeof(uri) - 1, "/ipp/%s", PRINTERNAME(snum));
 799
 800         if ((response = cupsDoFileRequest(http, request, uri, pjob->filename)) != NULL) {
 801                 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
 802                         DEBUG(0,("Unable to print file to %s - %s\n", PRINTERNAME(snum),
 803                                  ippErrorString(cupsLastError())));
 804                 } else {
 805                         ret = 0;
 806                 }
 807         } else {
 808                 DEBUG(0,("Unable to print file to `%s' - %s\n", PRINTERNAME(snum),
 809                          ippErrorString(cupsLastError())));
 810         }
 811
 812         if ( ret == 0 )
 813                 unlink(pjob->filename);
 814         /* else print_job_end will do it for us */
 815
 816         if ( ret == 0 ) {
 817
 818                 attr = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER);
 819                 if (attr != NULL && attr->group_tag == IPP_TAG_JOB)
 820                 {
 821                         pjob->sysjob = attr->values[0].integer;
 822                 }
 823         }
 824
 825  out:
 826         if (response)
 827                 ippDelete(response);
 828
 829         if (language)
 830                 cupsLangFree(language);
 831
 832         if (http)
 833                 httpClose(http);
 834
 835         return ret;
 836 }
 837
 838 /*
 839  * 'iprint_queue_get()' - Get all the jobs in the print queue.
 840  */
 841
 842 static int iprint_queue_get(const char *sharename,
 843                             enum printing_types printing_type,
 844                             char *lpq_command,
 845                             print_queue_struct **q,
 846                             print_status_struct *status)
 847 {
 848         fstring         printername;
 849         http_t          *http = NULL;           /* HTTP connection to server */
 850         ipp_t           *request = NULL,        /* IPP Request */
 851                         *response = NULL;       /* IPP Response */
 852         ipp_attribute_t *attr = NULL;           /* Current attribute */
 853         cups_lang_t     *language = NULL;       /* Default language */
 854         char            uri[HTTP_MAX_URI]; /* printer-uri attribute */
 855         char            serviceUri[HTTP_MAX_URI]; /* service-uri attribute */
 856         char            httpPath[HTTP_MAX_URI]; /* path portion of the uri */
 857         int             jobUseUnixTime = 0;     /* Whether job times should
 858                                                  * be assumed to be Unix time */
 859         int             qcount = 0,             /* Number of active queue entries */
 860                         qalloc = 0;             /* Number of queue entries allocated */
 861         print_queue_struct *queue = NULL,       /* Queue entries */
 862                         *temp;          /* Temporary pointer for queue */
 863         const char      *user_name,     /* job-originating-user-name attribute */
 864                         *job_name;      /* job-name attribute */
 865         int             job_id;         /* job-id attribute */
 866         int             job_k_octets;   /* job-k-octets attribute */
 867         time_t          job_time;       /* time-at-creation attribute */
 868         time_t          printer_current_time = 0;       /* printer's current time */
 869         time_t          printer_up_time = 0;    /* printer's uptime */
 870         ipp_jstate_t    job_status;     /* job-status attribute */
 871         int             job_priority;   /* job-priority attribute */
 872         static const char *jattrs[] =   /* Requested job attributes */
 873                         {
 874                           "job-id",
 875                           "job-k-octets",
 876                           "job-name",
 877                           "job-originating-user-name",
 878                           "job-priority",
 879                           "job-state",
 880                           "time-at-creation",
 881                         };
 882         static const char *pattrs[] =   /* Requested printer attributes */
 883                         {
 884                           "printer-state",
 885                           "printer-state-message",
 886                           "printer-current-time",
 887                           "printer-up-time"
 888                         };
 889
 890         *q = NULL;
 891
 892         /* HACK ALERT!!!  The porblem with support the 'printer name'
 893            option is that we key the tdb off the sharename.  So we will
 894            overload the lpq_command string to pass in the printername
 895            (which is basically what we do for non-cups printers ... using
 896            the lpq_command to get the queue listing). */
 897
 898         fstrcpy( printername, lpq_command );
 899
 900         DEBUG(5,("iprint_queue_get(%s, %p, %p)\n", printername, q, status));
 901
 902        /*
 903         * Make sure we don't ask for passwords...
 904         */
 905
 906         cupsSetPasswordCB(iprint_passwd_cb);
 907
 908        /*
 909         * Try to connect to the server...
 910         */
 911
 912         if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
 913                 DEBUG(0,("Unable to connect to iPrint server %s - %s\n",
 914                          iprint_server(), strerror(errno)));
 915                 goto out;
 916         }
 917
 918        /*
 919         * Generate the printer URI and the service URI that goes with it...
 920         */
 921
 922         slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(), printername);
 923         slprintf(serviceUri, sizeof(serviceUri) - 1, "ipp://%s/ipp/", iprint_server());
 924
 925        /*
 926         * For Linux iPrint servers from OES SP1 on, the iPrint server
 927         * uses Unix time for job start times unless it detects the iPrint
 928         * client in an http User-Agent header.  (This was done to accomodate
 929         * CUPS broken behavior.  According to RFC 2911, section 4.3.14, job
 930         * start times are supposed to be relative to how long the printer has
 931         * been up.)  Since libcups doesn't allow us to set that header before
 932         * the request is sent, this ugly hack allows us to detect the server
 933         * version and decide how to interpret the job time.
 934         */
 935         if (iprint_get_server_version(http, serviceUri) >=
 936             NOVELL_SERVER_VERSION_OES_SP1)
 937                 jobUseUnixTime = 1;
 938
 939         request = ippNew();
 940
 941         request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
 942         request->request.op.request_id   = 2;
 943
 944         language = cupsLangDefault();
 945
 946         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 947                      "attributes-charset", NULL, "utf-8");
 948
 949         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 950                      "attributes-natural-language", NULL, language->language);
 951
 952         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
 953                      "printer-uri", NULL, uri);
 954
 955         ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
 956                       "requested-attributes",
 957                       (sizeof(pattrs) / sizeof(pattrs[0])),
 958                       NULL, pattrs);
 959
 960        /*
 961         * Do the request and get back a response...
 962         */
 963
 964         slprintf(httpPath, sizeof(httpPath) - 1, "/ipp/%s", printername);
 965
 966         if ((response = cupsDoRequest(http, request, httpPath)) == NULL) {
 967                 DEBUG(0,("Unable to get printer status for %s - %s\n", printername,
 968                          ippErrorString(cupsLastError())));
 969                 *q = queue;
 970                 goto out;
 971         }
 972
 973         if (response->request.status.status_code >= IPP_OK_CONFLICT) {
 974                 DEBUG(0,("Unable to get printer status for %s - %s\n", printername,
 975                          ippErrorString(response->request.status.status_code)));
 976                 *q = queue;
 977                 goto out;
 978         }
 979
 980        /*
 981         * Get the current printer status and convert it to the SAMBA values.
 982         */
 983
 984         if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL) {
 985                 if (attr->values[0].integer == IPP_PRINTER_STOPPED)
 986                         status->status = LPSTAT_STOPPED;
 987                 else
 988                         status->status = LPSTAT_OK;
 989         }
 990
 991         if ((attr = ippFindAttribute(response, "printer-state-message",
 992                                      IPP_TAG_TEXT)) != NULL)
 993                 fstrcpy(status->message, attr->values[0].string.text);
 994
 995         if ((attr = ippFindAttribute(response, "printer-current-time",
 996                                      IPP_TAG_DATE)) != NULL)
 997                 printer_current_time = ippDateToTime(attr->values[0].date);
 998
 999         if ((attr = ippFindAttribute(response, "printer-up-time",
1000                                      IPP_TAG_INTEGER)) != NULL)
1001                 printer_up_time = attr->values[0].integer;
1002
1003         ippDelete(response);
1004         response = NULL;
1005
1006        /*
1007         * Build an IPP_GET_JOBS request, which requires the following
1008         * attributes:
1009         *
1010         *    attributes-charset
1011         *    attributes-natural-language
1012         *    requested-attributes
1013         *    printer-uri
1014         */
1015
1016         request = ippNew();
1017
1018         request->request.op.operation_id = IPP_GET_JOBS;
1019         request->request.op.request_id   = 3;
1020
1021         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
1022                      "attributes-charset", NULL, "utf-8");
1023
1024         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
1025                      "attributes-natural-language", NULL, language->language);
1026
1027         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
1028                      "printer-uri", NULL, uri);
1029
1030         ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1031                       "requested-attributes",
1032                       (sizeof(jattrs) / sizeof(jattrs[0])),
1033                       NULL, jattrs);
1034
1035        /*
1036         * Do the request and get back a response...
1037         */
1038
1039         slprintf(httpPath, sizeof(httpPath) - 1, "/ipp/%s", printername);
1040
1041         if ((response = cupsDoRequest(http, request, httpPath)) == NULL) {
1042                 DEBUG(0,("Unable to get jobs for %s - %s\n", uri,
1043                          ippErrorString(cupsLastError())));
1044                 goto out;
1045         }
1046
1047         if (response->request.status.status_code >= IPP_OK_CONFLICT) {
1048                 DEBUG(0,("Unable to get jobs for %s - %s\n", uri,
1049                          ippErrorString(response->request.status.status_code)));
1050                 goto out;
1051         }
1052
1053        /*
1054         * Process the jobs...
1055         */
1056
1057         qcount = 0;
1058         qalloc = 0;
1059         queue  = NULL;
1060
1061         for (attr = response->attrs; attr != NULL; attr = attr->next) {
1062                /*
1063                 * Skip leading attributes until we hit a job...
1064                 */
1065
1066                 while (attr != NULL && attr->group_tag != IPP_TAG_JOB)
1067                         attr = attr->next;
1068
1069                 if (attr == NULL)
1070                         break;
1071
1072                /*
1073                 * Allocate memory as needed...
1074                 */
1075                 if (qcount >= qalloc) {
1076                         qalloc += 16;
1077
1078                         queue = SMB_REALLOC_ARRAY(queue, print_queue_struct, qalloc);
1079
1080                         if (queue == NULL) {
1081                                 DEBUG(0,("iprint_queue_get: Not enough memory!"));
1082                                 qcount = 0;
1083                                 goto out;
1084                         }
1085                 }
1086
1087                 temp = queue + qcount;
1088                 memset(temp, 0, sizeof(print_queue_struct));
1089
1090                /*
1091                 * Pull the needed attributes from this job...
1092                 */
1093
1094                 job_id       = 0;
1095                 job_priority = 50;
1096                 job_status   = IPP_JOB_PENDING;
1097                 job_time     = 0;
1098                 job_k_octets = 0;
1099                 user_name    = NULL;
1100                 job_name     = NULL;
1101
1102                 while (attr != NULL && attr->group_tag == IPP_TAG_JOB) {
1103                         if (attr->name == NULL) {
1104                                 attr = attr->next;
1105                                 break;
1106                         }
1107
1108                         if (strcmp(attr->name, "job-id") == 0 &&
1109                             attr->value_tag == IPP_TAG_INTEGER)
1110                                 job_id = attr->values[0].integer;
1111
1112                         if (strcmp(attr->name, "job-k-octets") == 0 &&
1113                             attr->value_tag == IPP_TAG_INTEGER)
1114                                 job_k_octets = attr->values[0].integer;
1115
1116                         if (strcmp(attr->name, "job-priority") == 0 &&
1117                             attr->value_tag == IPP_TAG_INTEGER)
1118                                 job_priority = attr->values[0].integer;
1119
1120                         if (strcmp(attr->name, "job-state") == 0 &&
1121                             attr->value_tag == IPP_TAG_ENUM)
1122                                 job_status = (ipp_jstate_t)(attr->values[0].integer);
1123
1124                         if (strcmp(attr->name, "time-at-creation") == 0 &&
1125                             attr->value_tag == IPP_TAG_INTEGER)
1126                         {
1127                                /*
1128                                 * If jobs times are in Unix time, the accuracy of the job
1129                                 * start time depends upon the iPrint server's time being
1130                                 * set correctly.  Otherwise, the accuracy depends upon
1131                                 * the Samba server's time being set correctly
1132                                 */
1133
1134                                 if (jobUseUnixTime)
1135                                         job_time = attr->values[0].integer;
1136                                 else
1137                                         job_time = time(NULL) - printer_up_time + attr->values[0].integer;
1138                         }
1139
1140                         if (strcmp(attr->name, "job-name") == 0 &&
1141                             (attr->value_tag == IPP_TAG_NAMELANG ||
1142                              attr->value_tag == IPP_TAG_NAME))
1143                                 job_name = attr->values[0].string.text;
1144
1145                         if (strcmp(attr->name, "job-originating-user-name") == 0 &&
1146                             (attr->value_tag == IPP_TAG_NAMELANG ||
1147                              attr->value_tag == IPP_TAG_NAME))
1148                                 user_name = attr->values[0].string.text;
1149
1150                         attr = attr->next;
1151                 }
1152
1153                /*
1154                 * See if we have everything needed...
1155                 */
1156
1157                 if (user_name == NULL || job_name == NULL || job_id == 0) {
1158                         if (attr == NULL)
1159                                 break;
1160                         else
1161                                 continue;
1162                 }
1163
1164                 temp->job      = job_id;
1165                 temp->size     = job_k_octets * 1024;
1166                 temp->status   = job_status == IPP_JOB_PENDING ? LPQ_QUEUED :
1167                                  job_status == IPP_JOB_STOPPED ? LPQ_PAUSED :
1168                                  job_status == IPP_JOB_HELD ? LPQ_PAUSED :
1169                                  LPQ_PRINTING;
1170                 temp->priority = job_priority;
1171                 temp->time     = job_time;
1172                 strncpy(temp->fs_user, user_name, sizeof(temp->fs_user) - 1);
1173                 strncpy(temp->fs_file, job_name, sizeof(temp->fs_file) - 1);
1174
1175                 qcount ++;
1176
1177                 if (attr == NULL)
1178                         break;
1179         }
1180
1181        /*
1182         * Return the job queue...
1183         */
1184
1185         *q = queue;
1186
1187  out:
1188         if (response)
1189                 ippDelete(response);
1190
1191         if (language)
1192                 cupsLangFree(language);
1193
1194         if (http)
1195                 httpClose(http);
1196
1197         return qcount;
1198 }
1199
1200
1201 /*
1202  * 'iprint_queue_pause()' - Pause a print queue.
1203  */
1204
1205 static int iprint_queue_pause(int snum)
1206 {
1207         return(-1); /* Not supported without credentials */
1208 }
1209
1210
1211 /*
1212  * 'iprint_queue_resume()' - Restart a print queue.
1213  */
1214
1215 static int iprint_queue_resume(int snum)
1216 {
1217         return(-1); /* Not supported without credentials */
1218 }
1219
1220 /*******************************************************************
1221  * iPrint printing interface definitions...
1222  ******************************************************************/
1223
1224 struct printif  iprint_printif =
1225 {
1226         PRINT_IPRINT,
1227         iprint_queue_get,
1228         iprint_queue_pause,
1229         iprint_queue_resume,
1230         iprint_job_delete,
1231         iprint_job_pause,
1232         iprint_job_resume,
1233         iprint_job_submit,
1234 };
1235
1236 #else
1237  /* this keeps fussy compilers happy */
1238  void print_iprint_dummy(void) {}
1239 #endif /* HAVE_IPRINT */