source/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 = 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 = OPERATION_NOVELL_LIST_PRINTERS;
 347         request->request.op.request_id   = 1;
 348
 349         language = cupsLangDefault();
 350
 351         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 352                      "attributes-charset", NULL, "utf-8");
 353
 354         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 355                      "attributes-natural-language", NULL, language->language);
 356
 357         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
 358                      "ipp-server", NULL, "ippSrvr");
 359
 360        /*
 361         * Do the request and get back a response...
 362         */
 363
 364         if ((response = cupsDoRequest(http, request, "/ipp")) == NULL) {
 365                 DEBUG(0,("Unable to get printer list - %s\n",
 366                          ippErrorString(cupsLastError())));
 367                 goto out;
 368         }
 369
 370         for (attr = response->attrs; attr != NULL;) {
 371                /*
 372                 * Skip leading attributes until we hit a printer...
 373                 */
 374
 375                 while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
 376                         attr = attr->next;
 377
 378                 if (attr == NULL)
 379                         break;
 380
 381                /*
 382                 * Pull the needed attributes from this printer...
 383                 */
 384
 385                 while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER)
 386                 {
 387                         if (strcmp(attr->name, "printer-name") == 0 &&
 388                             (attr->value_tag == IPP_TAG_URI ||
 389                              attr->value_tag == IPP_TAG_NAME ||
 390                              attr->value_tag == IPP_TAG_TEXT ||
 391                              attr->value_tag == IPP_TAG_NAMELANG ||
 392                              attr->value_tag == IPP_TAG_TEXTLANG))
 393                         {
 394                                 for (i = 0; i<attr->num_values; i++)
 395                                 {
 396                                         char *url = attr->values[i].string.text;
 397                                         if (!url || !strlen(url))
 398                                                 continue;
 399                                         iprint_cache_add_printer(http, i+2, url);
 400                                 }
 401                         }
 402                         attr = attr->next;
 403                 }
 404         }
 405
 406         ret = True;
 407
 408  out:
 409         if (response)
 410                 ippDelete(response);
 411
 412         if (language)
 413                 cupsLangFree(language);
 414
 415         if (http)
 416                 httpClose(http);
 417
 418         return ret;
 419 }
 420
 421
 422 /*
 423  * 'iprint_job_delete()' - Delete a job.
 424  */
 425
 426 static int iprint_job_delete(const char *sharename, const char *lprm_command, struct printjob *pjob)
 427 {
 428         int             ret = 1;                /* Return value */
 429         http_t          *http = NULL;           /* HTTP connection to server */
 430         ipp_t           *request = NULL,        /* IPP Request */
 431                         *response = NULL;       /* IPP Response */
 432         cups_lang_t     *language = NULL;       /* Default language */
 433         char            uri[HTTP_MAX_URI];      /* printer-uri attribute */
 434         char            httpPath[HTTP_MAX_URI]; /* path portion of the printer-uri */
 435
 436
 437         DEBUG(5,("iprint_job_delete(%s, %p (%d))\n", sharename, pjob, pjob->sysjob));
 438
 439        /*
 440         * Make sure we don't ask for passwords...
 441         */
 442
 443         cupsSetPasswordCB(iprint_passwd_cb);
 444
 445        /*
 446         * Try to connect to the server...
 447         */
 448
 449         if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
 450                 DEBUG(0,("Unable to connect to iPrint server %s - %s\n",
 451                          iprint_server(), strerror(errno)));
 452                 goto out;
 453         }
 454
 455        /*
 456         * Build an IPP_CANCEL_JOB request, which uses the following
 457         * attributes:
 458         *
 459         *    attributes-charset
 460         *    attributes-natural-language
 461         *    printer-uri
 462         *    job-id
 463         *    requesting-user-name
 464         */
 465
 466         request = ippNew();
 467
 468         request->request.op.operation_id = IPP_CANCEL_JOB;
 469         request->request.op.request_id   = 1;
 470
 471         language = cupsLangDefault();
 472
 473         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 474                      "attributes-charset", NULL, "utf-8");
 475
 476         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 477                      "attributes-natural-language", NULL, language->language);
 478
 479         slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(), sharename);
 480
 481         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
 482
 483         ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", pjob->sysjob);
 484
 485         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
 486                      NULL, pjob->user);
 487
 488        /*
 489         * Do the request and get back a response...
 490         */
 491
 492         slprintf(httpPath, sizeof(httpPath) - 1, "/ipp/%s", sharename);
 493
 494         if ((response = cupsDoRequest(http, request, httpPath)) != NULL) {
 495                 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
 496                         DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob,
 497                                 ippErrorString(cupsLastError())));
 498                 } else {
 499                         ret = 0;
 500                 }
 501         } else {
 502                 DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob,
 503                         ippErrorString(cupsLastError())));
 504         }
 505
 506  out:
 507         if (response)
 508                 ippDelete(response);
 509
 510         if (language)
 511                 cupsLangFree(language);
 512
 513         if (http)
 514                 httpClose(http);
 515
 516         return ret;
 517 }
 518
 519
 520 /*
 521  * 'iprint_job_pause()' - Pause a job.
 522  */
 523
 524 static int iprint_job_pause(int snum, struct printjob *pjob)
 525 {
 526         int             ret = 1;                /* Return value */
 527         http_t          *http = NULL;           /* HTTP connection to server */
 528         ipp_t           *request = NULL,        /* IPP Request */
 529                         *response = NULL;       /* IPP Response */
 530         cups_lang_t     *language = NULL;       /* Default language */
 531         char            uri[HTTP_MAX_URI];      /* printer-uri attribute */
 532         char            httpPath[HTTP_MAX_URI]; /* path portion of the printer-uri */
 533
 534
 535         DEBUG(5,("iprint_job_pause(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
 536
 537        /*
 538         * Make sure we don't ask for passwords...
 539         */
 540
 541         cupsSetPasswordCB(iprint_passwd_cb);
 542
 543        /*
 544         * Try to connect to the server...
 545         */
 546
 547         if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
 548                 DEBUG(0,("Unable to connect to iPrint server %s - %s\n",
 549                          iprint_server(), strerror(errno)));
 550                 goto out;
 551         }
 552
 553        /*
 554         * Build an IPP_HOLD_JOB request, which requires the following
 555         * attributes:
 556         *
 557         *    attributes-charset
 558         *    attributes-natural-language
 559         *    printer-uri
 560         *    job-id
 561         *    requesting-user-name
 562         */
 563
 564         request = ippNew();
 565
 566         request->request.op.operation_id = IPP_HOLD_JOB;
 567         request->request.op.request_id   = 1;
 568
 569         language = cupsLangDefault();
 570
 571         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 572                      "attributes-charset", NULL, "utf-8");
 573
 574         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 575                      "attributes-natural-language", NULL, language->language);
 576
 577         slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(), PRINTERNAME(snum));
 578
 579         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
 580
 581         ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", pjob->sysjob);
 582
 583         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
 584                      NULL, pjob->user);
 585
 586        /*
 587         * Do the request and get back a response...
 588         */
 589
 590         slprintf(httpPath, sizeof(httpPath) - 1, "/ipp/%s", PRINTERNAME(snum));
 591
 592         if ((response = cupsDoRequest(http, request, httpPath)) != NULL) {
 593                 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
 594                         DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob,
 595                                 ippErrorString(cupsLastError())));
 596                 } else {
 597                         ret = 0;
 598                 }
 599         } else {
 600                 DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob,
 601                         ippErrorString(cupsLastError())));
 602         }
 603
 604  out:
 605         if (response)
 606                 ippDelete(response);
 607
 608         if (language)
 609                 cupsLangFree(language);
 610
 611         if (http)
 612                 httpClose(http);
 613
 614         return ret;
 615 }
 616
 617
 618 /*
 619  * 'iprint_job_resume()' - Resume a paused job.
 620  */
 621
 622 static int iprint_job_resume(int snum, struct printjob *pjob)
 623 {
 624         int             ret = 1;                /* Return value */
 625         http_t          *http = NULL;           /* HTTP connection to server */
 626         ipp_t           *request = NULL,        /* IPP Request */
 627                         *response = NULL;       /* IPP Response */
 628         cups_lang_t     *language = NULL;       /* Default language */
 629         char            uri[HTTP_MAX_URI];      /* printer-uri attribute */
 630         char            httpPath[HTTP_MAX_URI]; /* path portion of the printer-uri */
 631
 632
 633         DEBUG(5,("iprint_job_resume(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
 634
 635        /*
 636         * Make sure we don't ask for passwords...
 637         */
 638
 639         cupsSetPasswordCB(iprint_passwd_cb);
 640
 641        /*
 642         * Try to connect to the server...
 643         */
 644
 645         if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
 646                 DEBUG(0,("Unable to connect to iPrint server %s - %s\n",
 647                          iprint_server(), strerror(errno)));
 648                 goto out;
 649         }
 650
 651        /*
 652         * Build an IPP_RELEASE_JOB request, which requires the following
 653         * attributes:
 654         *
 655         *    attributes-charset
 656         *    attributes-natural-language
 657         *    printer-uri
 658         *    job-id
 659         *    requesting-user-name
 660         */
 661
 662         request = ippNew();
 663
 664         request->request.op.operation_id = IPP_RELEASE_JOB;
 665         request->request.op.request_id   = 1;
 666
 667         language = cupsLangDefault();
 668
 669         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 670                      "attributes-charset", NULL, "utf-8");
 671
 672         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 673                      "attributes-natural-language", NULL, language->language);
 674
 675         slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(), PRINTERNAME(snum));
 676
 677         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
 678
 679         ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", pjob->sysjob);
 680
 681         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
 682                      NULL, pjob->user);
 683
 684        /*
 685         * Do the request and get back a response...
 686         */
 687
 688         slprintf(httpPath, sizeof(httpPath) - 1, "/ipp/%s", PRINTERNAME(snum));
 689
 690         if ((response = cupsDoRequest(http, request, httpPath)) != NULL) {
 691                 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
 692                         DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
 693                                 ippErrorString(cupsLastError())));
 694                 } else {
 695                         ret = 0;
 696                 }
 697         } else {
 698                 DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
 699                         ippErrorString(cupsLastError())));
 700         }
 701
 702  out:
 703         if (response)
 704                 ippDelete(response);
 705
 706         if (language)
 707                 cupsLangFree(language);
 708
 709         if (http)
 710                 httpClose(http);
 711
 712         return ret;
 713 }
 714
 715
 716 /*
 717  * 'iprint_job_submit()' - Submit a job for printing.
 718  */
 719
 720 static int iprint_job_submit(int snum, struct printjob *pjob)
 721 {
 722         int             ret = 1;                /* Return value */
 723         http_t          *http = NULL;           /* HTTP connection to server */
 724         ipp_t           *request = NULL,        /* IPP Request */
 725                         *response = NULL;       /* IPP Response */
 726         ipp_attribute_t *attr;          /* Current attribute */
 727         cups_lang_t     *language = NULL;       /* Default language */
 728         char            uri[HTTP_MAX_URI]; /* printer-uri attribute */
 729         char            *clientname = NULL;     /* hostname of client for job-originating-host attribute */
 730
 731         DEBUG(5,("iprint_job_submit(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
 732
 733        /*
 734         * Make sure we don't ask for passwords...
 735         */
 736
 737         cupsSetPasswordCB(iprint_passwd_cb);
 738
 739        /*
 740         * Try to connect to the server...
 741         */
 742
 743         if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
 744                 DEBUG(0,("Unable to connect to iPrint server %s - %s\n",
 745                          iprint_server(), strerror(errno)));
 746                 goto out;
 747         }
 748
 749        /*
 750         * Build an IPP_PRINT_JOB request, which requires the following
 751         * attributes:
 752         *
 753         *    attributes-charset
 754         *    attributes-natural-language
 755         *    printer-uri
 756         *    requesting-user-name
 757         *    [document-data]
 758         */
 759
 760         request = ippNew();
 761
 762         request->request.op.operation_id = IPP_PRINT_JOB;
 763         request->request.op.request_id   = 1;
 764
 765         language = cupsLangDefault();
 766
 767         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 768                      "attributes-charset", NULL, "utf-8");
 769
 770         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 771                      "attributes-natural-language", NULL, language->language);
 772
 773         slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(), PRINTERNAME(snum));
 774
 775         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
 776                      "printer-uri", NULL, uri);
 777
 778         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
 779                      NULL, pjob->user);
 780
 781         clientname = client_name();
 782         if (strcmp(clientname, "UNKNOWN") == 0) {
 783                 clientname = client_addr();
 784         }
 785
 786         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
 787                      "job-originating-host-name", NULL,
 788                      clientname);
 789
 790         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
 791                      pjob->jobname);
 792
 793        /*
 794         * Do the request and get back a response...
 795         */
 796
 797         slprintf(uri, sizeof(uri) - 1, "/ipp/%s", PRINTERNAME(snum));
 798
 799         if ((response = cupsDoFileRequest(http, request, uri, pjob->filename)) != NULL) {
 800                 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
 801                         DEBUG(0,("Unable to print file to %s - %s\n", PRINTERNAME(snum),
 802                                  ippErrorString(cupsLastError())));
 803                 } else {
 804                         ret = 0;
 805                 }
 806         } else {
 807                 DEBUG(0,("Unable to print file to `%s' - %s\n", PRINTERNAME(snum),
 808                          ippErrorString(cupsLastError())));
 809         }
 810
 811         if ( ret == 0 )
 812                 unlink(pjob->filename);
 813         /* else print_job_end will do it for us */
 814
 815         if ( ret == 0 ) {
 816
 817                 attr = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER);
 818                 if (attr != NULL && attr->group_tag == IPP_TAG_JOB)
 819                 {
 820                         pjob->sysjob = attr->values[0].integer;
 821                 }
 822         }
 823
 824  out:
 825         if (response)
 826                 ippDelete(response);
 827
 828         if (language)
 829                 cupsLangFree(language);
 830
 831         if (http)
 832                 httpClose(http);
 833
 834         return ret;
 835 }
 836
 837 /*
 838  * 'iprint_queue_get()' - Get all the jobs in the print queue.
 839  */
 840
 841 static int iprint_queue_get(const char *sharename,
 842                             enum printing_types printing_type,
 843                             char *lpq_command,
 844                             print_queue_struct **q,
 845                             print_status_struct *status)
 846 {
 847         fstring         printername;
 848         http_t          *http = NULL;           /* HTTP connection to server */
 849         ipp_t           *request = NULL,        /* IPP Request */
 850                         *response = NULL;       /* IPP Response */
 851         ipp_attribute_t *attr = NULL;           /* Current attribute */
 852         cups_lang_t     *language = NULL;       /* Default language */
 853         char            uri[HTTP_MAX_URI]; /* printer-uri attribute */
 854         char            serviceUri[HTTP_MAX_URI]; /* service-uri attribute */
 855         char            httpPath[HTTP_MAX_URI]; /* path portion of the uri */
 856         int             jobUseUnixTime = 0;     /* Whether job times should
 857                                                  * be assumed to be Unix time */
 858         int             qcount = 0,             /* Number of active queue entries */
 859                         qalloc = 0;             /* Number of queue entries allocated */
 860         print_queue_struct *queue = NULL,       /* Queue entries */
 861                         *temp;          /* Temporary pointer for queue */
 862         const char      *user_name,     /* job-originating-user-name attribute */
 863                         *job_name;      /* job-name attribute */
 864         int             job_id;         /* job-id attribute */
 865         int             job_k_octets;   /* job-k-octets attribute */
 866         time_t          job_time;       /* time-at-creation attribute */
 867         time_t          printer_current_time = 0;       /* printer's current time */
 868         time_t          printer_up_time = 0;    /* printer's uptime */
 869         ipp_jstate_t    job_status;     /* job-status attribute */
 870         int             job_priority;   /* job-priority attribute */
 871         static const char *jattrs[] =   /* Requested job attributes */
 872                         {
 873                           "job-id",
 874                           "job-k-octets",
 875                           "job-name",
 876                           "job-originating-user-name",
 877                           "job-priority",
 878                           "job-state",
 879                           "time-at-creation",
 880                         };
 881         static const char *pattrs[] =   /* Requested printer attributes */
 882                         {
 883                           "printer-state",
 884                           "printer-state-message",
 885                           "printer-current-time",
 886                           "printer-up-time"
 887                         };
 888
 889         *q = NULL;
 890
 891         /* HACK ALERT!!!  The porblem with support the 'printer name'
 892            option is that we key the tdb off the sharename.  So we will
 893            overload the lpq_command string to pass in the printername
 894            (which is basically what we do for non-cups printers ... using
 895            the lpq_command to get the queue listing). */
 896
 897         fstrcpy( printername, lpq_command );
 898
 899         DEBUG(5,("iprint_queue_get(%s, %p, %p)\n", printername, q, status));
 900
 901        /*
 902         * Make sure we don't ask for passwords...
 903         */
 904
 905         cupsSetPasswordCB(iprint_passwd_cb);
 906
 907        /*
 908         * Try to connect to the server...
 909         */
 910
 911         if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
 912                 DEBUG(0,("Unable to connect to iPrint server %s - %s\n",
 913                          iprint_server(), strerror(errno)));
 914                 goto out;
 915         }
 916
 917        /*
 918         * Generate the printer URI and the service URI that goes with it...
 919         */
 920
 921         slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(), printername);
 922         slprintf(serviceUri, sizeof(serviceUri) - 1, "ipp://%s/ipp/", iprint_server());
 923
 924        /*
 925         * For Linux iPrint servers from OES SP1 on, the iPrint server
 926         * uses Unix time for job start times unless it detects the iPrint
 927         * client in an http User-Agent header.  (This was done to accomodate
 928         * CUPS broken behavior.  According to RFC 2911, section 4.3.14, job
 929         * start times are supposed to be relative to how long the printer has
 930         * been up.)  Since libcups doesn't allow us to set that header before
 931         * the request is sent, this ugly hack allows us to detect the server
 932         * version and decide how to interpret the job time.
 933         */
 934         if (iprint_get_server_version(http, serviceUri) >=
 935             NOVELL_SERVER_VERSION_OES_SP1)
 936                 jobUseUnixTime = 1;
 937
 938         request = ippNew();
 939
 940         request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
 941         request->request.op.request_id   = 2;
 942
 943         language = cupsLangDefault();
 944
 945         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
 946                      "attributes-charset", NULL, "utf-8");
 947
 948         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
 949                      "attributes-natural-language", NULL, language->language);
 950
 951         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
 952                      "printer-uri", NULL, uri);
 953
 954         ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
 955                       "requested-attributes",
 956                       (sizeof(pattrs) / sizeof(pattrs[0])),
 957                       NULL, pattrs);
 958
 959        /*
 960         * Do the request and get back a response...
 961         */
 962
 963         slprintf(httpPath, sizeof(httpPath) - 1, "/ipp/%s", printername);
 964
 965         if ((response = cupsDoRequest(http, request, httpPath)) == NULL) {
 966                 DEBUG(0,("Unable to get printer status for %s - %s\n", printername,
 967                          ippErrorString(cupsLastError())));
 968                 *q = queue;
 969                 goto out;
 970         }
 971
 972         if (response->request.status.status_code >= IPP_OK_CONFLICT) {
 973                 DEBUG(0,("Unable to get printer status for %s - %s\n", printername,
 974                          ippErrorString(response->request.status.status_code)));
 975                 *q = queue;
 976                 goto out;
 977         }
 978
 979        /*
 980         * Get the current printer status and convert it to the SAMBA values.
 981         */
 982
 983         if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL) {
 984                 if (attr->values[0].integer == IPP_PRINTER_STOPPED)
 985                         status->status = LPSTAT_STOPPED;
 986                 else
 987                         status->status = LPSTAT_OK;
 988         }
 989
 990         if ((attr = ippFindAttribute(response, "printer-state-message",
 991                                      IPP_TAG_TEXT)) != NULL)
 992                 fstrcpy(status->message, attr->values[0].string.text);
 993
 994         if ((attr = ippFindAttribute(response, "printer-current-time",
 995                                      IPP_TAG_DATE)) != NULL)
 996                 printer_current_time = ippDateToTime(attr->values[0].date);
 997
 998         if ((attr = ippFindAttribute(response, "printer-up-time",
 999                                      IPP_TAG_INTEGER)) != NULL)
1000                 printer_up_time = attr->values[0].integer;
1001
1002         ippDelete(response);
1003         response = NULL;
1004
1005        /*
1006         * Build an IPP_GET_JOBS request, which requires the following
1007         * attributes:
1008         *
1009         *    attributes-charset
1010         *    attributes-natural-language
1011         *    requested-attributes
1012         *    printer-uri
1013         */
1014
1015         request = ippNew();
1016
1017         request->request.op.operation_id = IPP_GET_JOBS;
1018         request->request.op.request_id   = 3;
1019
1020         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
1021                      "attributes-charset", NULL, "utf-8");
1022
1023         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
1024                      "attributes-natural-language", NULL, language->language);
1025
1026         ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
1027                      "printer-uri", NULL, uri);
1028
1029         ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1030                       "requested-attributes",
1031                       (sizeof(jattrs) / sizeof(jattrs[0])),
1032                       NULL, jattrs);
1033
1034        /*
1035         * Do the request and get back a response...
1036         */
1037
1038         slprintf(httpPath, sizeof(httpPath) - 1, "/ipp/%s", printername);
1039
1040         if ((response = cupsDoRequest(http, request, httpPath)) == NULL) {
1041                 DEBUG(0,("Unable to get jobs for %s - %s\n", uri,
1042                          ippErrorString(cupsLastError())));
1043                 goto out;
1044         }
1045
1046         if (response->request.status.status_code >= IPP_OK_CONFLICT) {
1047                 DEBUG(0,("Unable to get jobs for %s - %s\n", uri,
1048                          ippErrorString(response->request.status.status_code)));
1049                 goto out;
1050         }
1051
1052        /*
1053         * Process the jobs...
1054         */
1055
1056         qcount = 0;
1057         qalloc = 0;
1058         queue  = NULL;
1059
1060         for (attr = response->attrs; attr != NULL; attr = attr->next) {
1061                /*
1062                 * Skip leading attributes until we hit a job...
1063                 */
1064
1065                 while (attr != NULL && attr->group_tag != IPP_TAG_JOB)
1066                         attr = attr->next;
1067
1068                 if (attr == NULL)
1069                         break;
1070
1071                /*
1072                 * Allocate memory as needed...
1073                 */
1074                 if (qcount >= qalloc) {
1075                         qalloc += 16;
1076
1077                         temp = SMB_REALLOC_ARRAY(queue, print_queue_struct, qalloc);
1078
1079                         if (temp == NULL) {
1080                                 DEBUG(0,("iprint_queue_get: Not enough memory!"));
1081                                 qcount = 0;
1082                                 SAFE_FREE(queue);
1083                                 goto out;
1084                         }
1085
1086                         queue = temp;
1087                 }
1088
1089                 temp = queue + qcount;
1090                 memset(temp, 0, sizeof(print_queue_struct));
1091
1092                /*
1093                 * Pull the needed attributes from this job...
1094                 */
1095
1096                 job_id       = 0;
1097                 job_priority = 50;
1098                 job_status   = IPP_JOB_PENDING;
1099                 job_time     = 0;
1100                 job_k_octets = 0;
1101                 user_name    = NULL;
1102                 job_name     = NULL;
1103
1104                 while (attr != NULL && attr->group_tag == IPP_TAG_JOB) {
1105                         if (attr->name == NULL) {
1106                                 attr = attr->next;
1107                                 break;
1108                         }
1109
1110                         if (strcmp(attr->name, "job-id") == 0 &&
1111                             attr->value_tag == IPP_TAG_INTEGER)
1112                                 job_id = attr->values[0].integer;
1113
1114                         if (strcmp(attr->name, "job-k-octets") == 0 &&
1115                             attr->value_tag == IPP_TAG_INTEGER)
1116                                 job_k_octets = attr->values[0].integer;
1117
1118                         if (strcmp(attr->name, "job-priority") == 0 &&
1119                             attr->value_tag == IPP_TAG_INTEGER)
1120                                 job_priority = attr->values[0].integer;
1121
1122                         if (strcmp(attr->name, "job-state") == 0 &&
1123                             attr->value_tag == IPP_TAG_ENUM)
1124                                 job_status = (ipp_jstate_t)(attr->values[0].integer);
1125
1126                         if (strcmp(attr->name, "time-at-creation") == 0 &&
1127                             attr->value_tag == IPP_TAG_INTEGER)
1128                         {
1129                                /*
1130                                 * If jobs times are in Unix time, the accuracy of the job
1131                                 * start time depends upon the iPrint server's time being
1132                                 * set correctly.  Otherwise, the accuracy depends upon
1133                                 * the Samba server's time being set correctly
1134                                 */
1135
1136                                 if (jobUseUnixTime)
1137                                         job_time = attr->values[0].integer;
1138                                 else
1139                                         job_time = time(NULL) - printer_up_time + attr->values[0].integer;
1140                         }
1141
1142                         if (strcmp(attr->name, "job-name") == 0 &&
1143                             (attr->value_tag == IPP_TAG_NAMELANG ||
1144                              attr->value_tag == IPP_TAG_NAME))
1145                                 job_name = attr->values[0].string.text;
1146
1147                         if (strcmp(attr->name, "job-originating-user-name") == 0 &&
1148                             (attr->value_tag == IPP_TAG_NAMELANG ||
1149                              attr->value_tag == IPP_TAG_NAME))
1150                                 user_name = attr->values[0].string.text;
1151
1152                         attr = attr->next;
1153                 }
1154
1155                /*
1156                 * See if we have everything needed...
1157                 */
1158
1159                 if (user_name == NULL || job_name == NULL || job_id == 0) {
1160                         if (attr == NULL)
1161                                 break;
1162                         else
1163                                 continue;
1164                 }
1165
1166                 temp->job      = job_id;
1167                 temp->size     = job_k_octets * 1024;
1168                 temp->status   = job_status == IPP_JOB_PENDING ? LPQ_QUEUED :
1169                                  job_status == IPP_JOB_STOPPED ? LPQ_PAUSED :
1170                                  job_status == IPP_JOB_HELD ? LPQ_PAUSED :
1171                                  LPQ_PRINTING;
1172                 temp->priority = job_priority;
1173                 temp->time     = job_time;
1174                 strncpy(temp->fs_user, user_name, sizeof(temp->fs_user) - 1);
1175                 strncpy(temp->fs_file, job_name, sizeof(temp->fs_file) - 1);
1176
1177                 qcount ++;
1178
1179                 if (attr == NULL)
1180                         break;
1181         }
1182
1183        /*
1184         * Return the job queue...
1185         */
1186
1187         *q = queue;
1188
1189  out:
1190         if (response)
1191                 ippDelete(response);
1192
1193         if (language)
1194                 cupsLangFree(language);
1195
1196         if (http)
1197                 httpClose(http);
1198
1199         return qcount;
1200 }
1201
1202
1203 /*
1204  * 'iprint_queue_pause()' - Pause a print queue.
1205  */
1206
1207 static int iprint_queue_pause(int snum)
1208 {
1209         return(-1); /* Not supported without credentials */
1210 }
1211
1212
1213 /*
1214  * 'iprint_queue_resume()' - Restart a print queue.
1215  */
1216
1217 static int iprint_queue_resume(int snum)
1218 {
1219         return(-1); /* Not supported without credentials */
1220 }
1221
1222 /*******************************************************************
1223  * iPrint printing interface definitions...
1224  ******************************************************************/
1225
1226 struct printif  iprint_printif =
1227 {
1228         PRINT_IPRINT,
1229         iprint_queue_get,
1230         iprint_queue_pause,
1231         iprint_queue_resume,
1232         iprint_job_delete,
1233         iprint_job_pause,
1234         iprint_job_resume,
1235         iprint_job_submit,
1236 };
1237
1238 #else
1239  /* this keeps fussy compilers happy */
1240  void print_iprint_dummy(void) {}
1241 #endif /* HAVE_IPRINT */