1/* 2 * "$Id: ipp.c 11780 2014-03-28 20:51:12Z msweet $" 3 * 4 * IPP backend for CUPS. 5 * 6 * Copyright 2007-2013 by Apple Inc. 7 * Copyright 1997-2007 by Easy Software Products, all rights reserved. 8 * 9 * These coded instructions, statements, and computer programs are the 10 * property of Apple Inc. and are protected by Federal copyright 11 * law. Distribution and use rights are outlined in the file "LICENSE.txt" 12 * "LICENSE" which should have been included with this file. If this 13 * file is missing or damaged, see the license at "http://www.cups.org/". 14 * 15 * This file is subject to the Apple OS-Developed Software exception. 16 */ 17 18/* 19 * Include necessary headers. 20 */ 21 22#include "backend-private.h" 23#include <cups/array-private.h> 24#include <sys/types.h> 25#include <sys/stat.h> 26#include <sys/wait.h> 27#if defined(HAVE_GSSAPI) && defined(HAVE_XPC) 28# include <xpc/xpc.h> 29# define kPMPrintUIToolAgent "com.apple.printuitool.agent" 30# define kPMStartJob 100 31# define kPMWaitForJob 101 32# ifdef HAVE_XPC_PRIVATE_H 33# include <xpc/private.h> 34# else 35extern void xpc_connection_set_target_uid(xpc_connection_t connection, 36 uid_t uid); 37# endif /* HAVE_XPC_PRIVATE_H */ 38#endif /* HAVE_GSSAPI && HAVE_XPC */ 39 40 41/* 42 * Bits for job-state-reasons we care about... 43 */ 44 45#define _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED 0x01 46#define _CUPS_JSR_ACCOUNT_CLOSED 0x02 47#define _CUPS_JSR_ACCOUNT_INFO_NEEDED 0x04 48#define _CUPS_JSR_ACCOUNT_LIMIT_REACHED 0x08 49#define _CUPS_JSR_JOB_PASSWORD_WAIT 0x10 50#define _CUPS_JSR_JOB_RELEASE_WAIT 0x20 51 52 53/* 54 * Types... 55 */ 56 57typedef struct _cups_monitor_s /**** Monitoring data ****/ 58{ 59 const char *uri, /* Printer URI */ 60 *hostname, /* Hostname */ 61 *user, /* Username */ 62 *resource; /* Resource path */ 63 int port, /* Port number */ 64 version, /* IPP version */ 65 job_id, /* Job ID for submitted job */ 66 job_reasons, /* Job state reasons bits */ 67 get_job_attrs; /* Support Get-Job-Attributes? */ 68 const char *job_name; /* Job name for submitted job */ 69 http_encryption_t encryption; /* Use encryption? */ 70 ipp_jstate_t job_state; /* Current job state */ 71 ipp_pstate_t printer_state; /* Current printer state */ 72} _cups_monitor_t; 73 74 75/* 76 * Globals... 77 */ 78 79static const char *auth_info_required; 80 /* New auth-info-required value */ 81#if defined(HAVE_GSSAPI) && defined(HAVE_XPC) 82static int child_pid = 0; /* Child process ID */ 83#endif /* HAVE_GSSAPI && HAVE_XPC */ 84static const char * const jattrs[] = /* Job attributes we want */ 85{ 86 "job-id", 87 "job-impressions-completed", 88 "job-media-sheets-completed", 89 "job-name", 90 "job-originating-user-name", 91 "job-state", 92 "job-state-reasons" 93}; 94static int job_canceled = 0; 95 /* Job cancelled? */ 96static char username[256] = "", 97 /* Username for device URI */ 98 *password = NULL; 99 /* Password for device URI */ 100static const char * const pattrs[] = /* Printer attributes we want */ 101{ 102#ifdef HAVE_LIBZ 103 "compression-supported", 104#endif /* HAVE_LIBZ */ 105 "copies-supported", 106 "cups-version", 107 "document-format-supported", 108 "marker-colors", 109 "marker-high-levels", 110 "marker-levels", 111 "marker-low-levels", 112 "marker-message", 113 "marker-names", 114 "marker-types", 115 "media-col-supported", 116 "multiple-document-handling-supported", 117 "operations-supported", 118 "print-color-mode-supported", 119 "printer-alert", 120 "printer-alert-description", 121 "printer-is-accepting-jobs", 122 "printer-state", 123 "printer-state-message", 124 "printer-state-reasons" 125}; 126static const char * const remote_job_states[] = 127{ /* Remote job state keywords */ 128 "+cups-remote-pending", 129 "+cups-remote-pending-held", 130 "+cups-remote-processing", 131 "+cups-remote-stopped", 132 "+cups-remote-canceled", 133 "+cups-remote-aborted", 134 "+cups-remote-completed" 135}; 136static _cups_mutex_t report_mutex = _CUPS_MUTEX_INITIALIZER; 137 /* Mutex to control access */ 138static int num_attr_cache = 0; 139 /* Number of cached attributes */ 140static cups_option_t *attr_cache = NULL; 141 /* Cached attributes */ 142static cups_array_t *state_reasons; /* Array of printe-state-reasons keywords */ 143static char tmpfilename[1024] = ""; 144 /* Temporary spool file name */ 145 146 147/* 148 * Local functions... 149 */ 150 151static void cancel_job(http_t *http, const char *uri, int id, 152 const char *resource, const char *user, 153 int version); 154static ipp_pstate_t check_printer_state(http_t *http, const char *uri, 155 const char *resource, 156 const char *user, int version); 157static void *monitor_printer(_cups_monitor_t *monitor); 158static ipp_t *new_request(ipp_op_t op, int version, const char *uri, 159 const char *user, const char *title, 160 int num_options, cups_option_t *options, 161 const char *compression, int copies, 162 const char *format, _ppd_cache_t *pc, 163 ppd_file_t *ppd, 164 ipp_attribute_t *media_col_sup, 165 ipp_attribute_t *doc_handling_sup, 166 ipp_attribute_t *print_color_mode_sup); 167static const char *password_cb(const char *prompt, http_t *http, 168 const char *method, const char *resource, 169 int *user_data); 170static const char *quote_string(const char *s, char *q, size_t qsize); 171static void report_attr(ipp_attribute_t *attr); 172static void report_printer_state(ipp_t *ipp); 173#if defined(HAVE_GSSAPI) && defined(HAVE_XPC) 174static int run_as_user(char *argv[], uid_t uid, 175 const char *device_uri, int fd); 176#endif /* HAVE_GSSAPI && HAVE_XPC */ 177static void sigterm_handler(int sig); 178static int timeout_cb(http_t *http, void *user_data); 179static void update_reasons(ipp_attribute_t *attr, const char *s); 180 181 182/* 183 * 'main()' - Send a file to the printer or server. 184 * 185 * Usage: 186 * 187 * printer-uri job-id user title copies options [file] 188 */ 189 190int /* O - Exit status */ 191main(int argc, /* I - Number of command-line args */ 192 char *argv[]) /* I - Command-line arguments */ 193{ 194 int i; /* Looping var */ 195 int send_options; /* Send job options? */ 196 int num_options; /* Number of printer options */ 197 cups_option_t *options; /* Printer options */ 198 const char *device_uri; /* Device URI */ 199 char scheme[255], /* Scheme in URI */ 200 hostname[1024], /* Hostname */ 201 resource[1024], /* Resource info (printer name) */ 202 addrname[256], /* Address name */ 203 *optptr, /* Pointer to URI options */ 204 *name, /* Name of option */ 205 *value, /* Value of option */ 206 sep; /* Separator character */ 207 int password_tries = 0; /* Password tries */ 208 http_addrlist_t *addrlist; /* Address of printer */ 209 int snmp_enabled = 1; /* Is SNMP enabled? */ 210 int snmp_fd, /* SNMP socket */ 211 start_count, /* Page count via SNMP at start */ 212 page_count, /* Page count via SNMP */ 213 have_supplies; /* Printer supports supply levels? */ 214 int num_files; /* Number of files to print */ 215 char **files, /* Files to print */ 216 *compatfile = NULL; /* Compatibility filename */ 217 off_t compatsize = 0; /* Size of compatibility file */ 218 int port; /* Port number (not used) */ 219 char portname[255]; /* Port name */ 220 char uri[HTTP_MAX_URI]; /* Updated URI without user/pass */ 221 char print_job_name[1024]; /* Update job-name for Print-Job */ 222 http_status_t http_status; /* Status of HTTP request */ 223 ipp_status_t ipp_status; /* Status of IPP request */ 224 http_t *http; /* HTTP connection */ 225 ipp_t *request, /* IPP request */ 226 *response, /* IPP response */ 227 *supported; /* get-printer-attributes response */ 228 time_t start_time; /* Time of first connect */ 229 int contimeout; /* Connection timeout */ 230 int delay, /* Delay for retries */ 231 prev_delay; /* Previous delay */ 232 const char *compression; /* Compression mode */ 233 int waitjob, /* Wait for job complete? */ 234 waitjob_tries = 0, /* Number of times we've waited */ 235 waitprinter; /* Wait for printer ready? */ 236 _cups_monitor_t monitor; /* Monitoring data */ 237 ipp_attribute_t *job_id_attr; /* job-id attribute */ 238 int job_id; /* job-id value */ 239 ipp_attribute_t *job_sheets; /* job-media-sheets-completed */ 240 ipp_attribute_t *job_state; /* job-state */ 241#ifdef HAVE_LIBZ 242 ipp_attribute_t *compression_sup; /* compression-supported */ 243#endif /* HAVE_LIBZ */ 244 ipp_attribute_t *copies_sup; /* copies-supported */ 245 ipp_attribute_t *cups_version; /* cups-version */ 246 ipp_attribute_t *format_sup; /* document-format-supported */ 247 ipp_attribute_t *job_auth; /* job-authorization-uri */ 248 ipp_attribute_t *media_col_sup; /* media-col-supported */ 249 ipp_attribute_t *operations_sup; /* operations-supported */ 250 ipp_attribute_t *doc_handling_sup; /* multiple-document-handling-supported */ 251 ipp_attribute_t *printer_state; /* printer-state attribute */ 252 ipp_attribute_t *printer_accepting; /* printer-is-accepting-jobs */ 253 ipp_attribute_t *print_color_mode_sup;/* Does printer support print-color-mode? */ 254 int create_job = 0, /* Does printer support Create-Job? */ 255 get_job_attrs = 0, /* Does printer support Get-Job-Attributes? */ 256 send_document = 0, /* Does printer support Send-Document? */ 257 validate_job = 0, /* Does printer support Validate-Job? */ 258 copies, /* Number of copies for job */ 259 copies_remaining; /* Number of copies remaining */ 260 const char *content_type, /* CONTENT_TYPE environment variable */ 261 *final_content_type, /* FINAL_CONTENT_TYPE environment var */ 262 *document_format; /* document-format value */ 263 int fd; /* File descriptor */ 264 off_t bytes = 0; /* Bytes copied */ 265 char buffer[16384]; /* Copy buffer */ 266#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) 267 struct sigaction action; /* Actions for POSIX signals */ 268#endif /* HAVE_SIGACTION && !HAVE_SIGSET */ 269 int version; /* IPP version */ 270 ppd_file_t *ppd = NULL; /* PPD file */ 271 _ppd_cache_t *pc = NULL; /* PPD cache and mapping data */ 272 fd_set input; /* Input set for select() */ 273 274 275 /* 276 * Make sure status messages are not buffered... 277 */ 278 279 setbuf(stderr, NULL); 280 281 /* 282 * Ignore SIGPIPE and catch SIGTERM signals... 283 */ 284 285#ifdef HAVE_SIGSET 286 sigset(SIGPIPE, SIG_IGN); 287 sigset(SIGTERM, sigterm_handler); 288#elif defined(HAVE_SIGACTION) 289 memset(&action, 0, sizeof(action)); 290 action.sa_handler = SIG_IGN; 291 sigaction(SIGPIPE, &action, NULL); 292 293 sigemptyset(&action.sa_mask); 294 sigaddset(&action.sa_mask, SIGTERM); 295 action.sa_handler = sigterm_handler; 296 sigaction(SIGTERM, &action, NULL); 297#else 298 signal(SIGPIPE, SIG_IGN); 299 signal(SIGTERM, sigterm_handler); 300#endif /* HAVE_SIGSET */ 301 302 /* 303 * Check command-line... 304 */ 305 306 if (argc == 1) 307 { 308 char *s; 309 310 if ((s = strrchr(argv[0], '/')) != NULL) 311 s ++; 312 else 313 s = argv[0]; 314 315 printf("network %s \"Unknown\" \"%s (%s)\"\n", 316 s, _cupsLangString(cupsLangDefault(), 317 _("Internet Printing Protocol")), s); 318 return (CUPS_BACKEND_OK); 319 } 320 else if (argc < 6) 321 { 322 _cupsLangPrintf(stderr, 323 _("Usage: %s job-id user title copies options [file]"), 324 argv[0]); 325 return (CUPS_BACKEND_STOP); 326 } 327 328 /* 329 * Get the device URI... 330 */ 331 332 while ((device_uri = cupsBackendDeviceURI(argv)) == NULL) 333 { 334 _cupsLangPrintFilter(stderr, "INFO", _("Unable to locate printer.")); 335 sleep(10); 336 337 if (getenv("CLASS") != NULL) 338 return (CUPS_BACKEND_FAILED); 339 } 340 341 if ((auth_info_required = getenv("AUTH_INFO_REQUIRED")) == NULL) 342 auth_info_required = "none"; 343 344 state_reasons = _cupsArrayNewStrings(getenv("PRINTER_STATE_REASONS"), ','); 345 346#ifdef HAVE_GSSAPI 347 /* 348 * For Kerberos, become the printing user (if we can) to get the credentials 349 * that way. 350 */ 351 352 if (!getuid() && (value = getenv("AUTH_UID")) != NULL && 353 !getenv("AUTH_PASSWORD")) 354 { 355 uid_t uid = (uid_t)atoi(value); 356 /* User ID */ 357 358# ifdef HAVE_XPC 359 if (uid > 0) 360 { 361 if (argc == 6) 362 return (run_as_user(argv, uid, device_uri, 0)); 363 else 364 { 365 int status = 0; /* Exit status */ 366 367 for (i = 6; i < argc && !status && !job_canceled; i ++) 368 { 369 if ((fd = open(argv[i], O_RDONLY)) >= 0) 370 { 371 status = run_as_user(argv, uid, device_uri, fd); 372 close(fd); 373 } 374 else 375 { 376 _cupsLangPrintError("ERROR", _("Unable to open print file")); 377 status = CUPS_BACKEND_FAILED; 378 } 379 } 380 381 return (status); 382 } 383 } 384 385# else /* No XPC, just try to run as the user ID */ 386 if (uid > 0) 387 seteuid(uid); 388# endif /* HAVE_XPC */ 389 } 390#endif /* HAVE_GSSAPI */ 391 392 /* 393 * Get the (final) content type... 394 */ 395 396 if ((content_type = getenv("CONTENT_TYPE")) == NULL) 397 content_type = "application/octet-stream"; 398 399 if ((final_content_type = getenv("FINAL_CONTENT_TYPE")) == NULL) 400 { 401 final_content_type = content_type; 402 403 if (!strncmp(final_content_type, "printer/", 8)) 404 final_content_type = "application/vnd.cups-raw"; 405 } 406 407 /* 408 * Extract the hostname and printer name from the URI... 409 */ 410 411 httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme), 412 username, sizeof(username), hostname, sizeof(hostname), &port, 413 resource, sizeof(resource)); 414 415 if (!port) 416 port = IPP_PORT; /* Default to port 631 */ 417 418 if (!strcmp(scheme, "https") || !strcmp(scheme, "ipps")) 419 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS); 420 else 421 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED); 422 423 /* 424 * See if there are any options... 425 */ 426 427 compression = NULL; 428 version = 20; 429 waitjob = 1; 430 waitprinter = 1; 431 contimeout = 7 * 24 * 60 * 60; 432 433 if ((optptr = strchr(resource, '?')) != NULL) 434 { 435 /* 436 * Yup, terminate the device name string and move to the first 437 * character of the optptr... 438 */ 439 440 *optptr++ = '\0'; 441 442 /* 443 * Then parse the optptr... 444 */ 445 446 while (*optptr) 447 { 448 /* 449 * Get the name... 450 */ 451 452 name = optptr; 453 454 while (*optptr && *optptr != '=' && *optptr != '+' && *optptr != '&') 455 optptr ++; 456 457 if ((sep = *optptr) != '\0') 458 *optptr++ = '\0'; 459 460 if (sep == '=') 461 { 462 /* 463 * Get the value... 464 */ 465 466 value = optptr; 467 468 while (*optptr && *optptr != '+' && *optptr != '&') 469 optptr ++; 470 471 if (*optptr) 472 *optptr++ = '\0'; 473 } 474 else 475 value = (char *)""; 476 477 /* 478 * Process the option... 479 */ 480 481 if (!_cups_strcasecmp(name, "waitjob")) 482 { 483 /* 484 * Wait for job completion? 485 */ 486 487 waitjob = !_cups_strcasecmp(value, "on") || 488 !_cups_strcasecmp(value, "yes") || 489 !_cups_strcasecmp(value, "true"); 490 } 491 else if (!_cups_strcasecmp(name, "waitprinter")) 492 { 493 /* 494 * Wait for printer idle? 495 */ 496 497 waitprinter = !_cups_strcasecmp(value, "on") || 498 !_cups_strcasecmp(value, "yes") || 499 !_cups_strcasecmp(value, "true"); 500 } 501 else if (!_cups_strcasecmp(name, "encryption")) 502 { 503 /* 504 * Enable/disable encryption? 505 */ 506 507 if (!_cups_strcasecmp(value, "always")) 508 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS); 509 else if (!_cups_strcasecmp(value, "required")) 510 cupsSetEncryption(HTTP_ENCRYPT_REQUIRED); 511 else if (!_cups_strcasecmp(value, "never")) 512 cupsSetEncryption(HTTP_ENCRYPT_NEVER); 513 else if (!_cups_strcasecmp(value, "ifrequested")) 514 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED); 515 else 516 { 517 _cupsLangPrintFilter(stderr, "ERROR", 518 _("Unknown encryption option value: \"%s\"."), 519 value); 520 } 521 } 522 else if (!_cups_strcasecmp(name, "snmp")) 523 { 524 /* 525 * Enable/disable SNMP stuff... 526 */ 527 528 snmp_enabled = !value[0] || !_cups_strcasecmp(value, "on") || 529 _cups_strcasecmp(value, "yes") || 530 _cups_strcasecmp(value, "true"); 531 } 532 else if (!_cups_strcasecmp(name, "version")) 533 { 534 if (!strcmp(value, "1.0")) 535 version = 10; 536 else if (!strcmp(value, "1.1")) 537 version = 11; 538 else if (!strcmp(value, "2.0")) 539 version = 20; 540 else if (!strcmp(value, "2.1")) 541 version = 21; 542 else if (!strcmp(value, "2.2")) 543 version = 22; 544 else 545 { 546 _cupsLangPrintFilter(stderr, "ERROR", 547 _("Unknown version option value: \"%s\"."), 548 value); 549 } 550 } 551#ifdef HAVE_LIBZ 552 else if (!_cups_strcasecmp(name, "compression")) 553 { 554 if (!_cups_strcasecmp(value, "true") || !_cups_strcasecmp(value, "yes") || 555 !_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "gzip")) 556 compression = "gzip"; 557 else if (!_cups_strcasecmp(value, "deflate")) 558 compression = "deflate"; 559 else if (!_cups_strcasecmp(value, "false") || 560 !_cups_strcasecmp(value, "no") || 561 !_cups_strcasecmp(value, "off") || 562 !_cups_strcasecmp(value, "none")) 563 compression = "none"; 564 } 565#endif /* HAVE_LIBZ */ 566 else if (!_cups_strcasecmp(name, "contimeout")) 567 { 568 /* 569 * Set the connection timeout... 570 */ 571 572 if (atoi(value) > 0) 573 contimeout = atoi(value); 574 } 575 else 576 { 577 /* 578 * Unknown option... 579 */ 580 581 _cupsLangPrintFilter(stderr, "ERROR", 582 _("Unknown option \"%s\" with value \"%s\"."), 583 name, value); 584 } 585 } 586 } 587 588 /* 589 * If we have 7 arguments, print the file named on the command-line. 590 * Otherwise, copy stdin to a temporary file and print the temporary 591 * file. 592 */ 593 594 if (argc == 6) 595 { 596 num_files = 0; 597 files = NULL; 598 send_options = !_cups_strcasecmp(final_content_type, "application/pdf") || 599 !_cups_strcasecmp(final_content_type, "application/vnd.cups-pdf") || 600 !_cups_strncasecmp(final_content_type, "image/", 6); 601 602 fputs("DEBUG: Sending stdin for job...\n", stderr); 603 } 604 else 605 { 606 /* 607 * Point to the files on the command-line... 608 */ 609 610 num_files = argc - 6; 611 files = argv + 6; 612 send_options = 1; 613 614 fprintf(stderr, "DEBUG: %d files to send in job...\n", num_files); 615 } 616 617 /* 618 * Set the authentication info, if any... 619 */ 620 621 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries); 622 623 if (username[0]) 624 { 625 /* 626 * Use authentication information in the device URI... 627 */ 628 629 if ((password = strchr(username, ':')) != NULL) 630 *password++ = '\0'; 631 632 cupsSetUser(username); 633 } 634 else 635 { 636 /* 637 * Try loading authentication information from the environment. 638 */ 639 640 const char *ptr = getenv("AUTH_USERNAME"); 641 642 if (ptr) 643 { 644 strlcpy(username, ptr, sizeof(username)); 645 cupsSetUser(ptr); 646 } 647 648 password = getenv("AUTH_PASSWORD"); 649 } 650 651 /* 652 * Try finding the remote server... 653 */ 654 655 start_time = time(NULL); 656 657 sprintf(portname, "%d", port); 658 659 update_reasons(NULL, "+connecting-to-device"); 660 fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname); 661 662 while ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL) 663 { 664 _cupsLangPrintFilter(stderr, "INFO", 665 _("Unable to locate printer \"%s\"."), hostname); 666 sleep(10); 667 668 if (getenv("CLASS") != NULL) 669 { 670 update_reasons(NULL, "-connecting-to-device"); 671 return (CUPS_BACKEND_STOP); 672 } 673 674 if (job_canceled) 675 return (CUPS_BACKEND_OK); 676 } 677 678 http = httpConnect2(hostname, port, addrlist, AF_UNSPEC, cupsEncryption(), 1, 679 0, NULL); 680 httpSetTimeout(http, 30.0, timeout_cb, NULL); 681 682 /* 683 * See if the printer supports SNMP... 684 */ 685 686 if (snmp_enabled) 687 snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family); 688 else 689 snmp_fd = -1; 690 691 if (snmp_fd >= 0) 692 have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr), 693 &start_count, NULL); 694 else 695 have_supplies = start_count = 0; 696 697 /* 698 * Wait for data from the filter... 699 */ 700 701 if (num_files == 0) 702 { 703 if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB)) 704 return (CUPS_BACKEND_OK); 705 else if ((bytes = read(0, buffer, sizeof(buffer))) <= 0) 706 return (CUPS_BACKEND_OK); 707 } 708 709 /* 710 * Try connecting to the remote server... 711 */ 712 713 delay = _cupsNextDelay(0, &prev_delay); 714 715 do 716 { 717 fprintf(stderr, "DEBUG: Connecting to %s:%d\n", hostname, port); 718 _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer.")); 719 720 if (httpReconnect(http)) 721 { 722 int error = errno; /* Connection error */ 723 724 if (http->status == HTTP_PKI_ERROR) 725 update_reasons(NULL, "+cups-certificate-error"); 726 727 if (job_canceled) 728 break; 729 730 if (getenv("CLASS") != NULL) 731 { 732 /* 733 * If the CLASS environment variable is set, the job was submitted 734 * to a class and not to a specific queue. In this case, we want 735 * to abort immediately so that the job can be requeued on the next 736 * available printer in the class. 737 */ 738 739 _cupsLangPrintFilter(stderr, "INFO", 740 _("Unable to contact printer, queuing on next " 741 "printer in class.")); 742 743 /* 744 * Sleep 5 seconds to keep the job from requeuing too rapidly... 745 */ 746 747 sleep(5); 748 749 update_reasons(NULL, "-connecting-to-device"); 750 751 return (CUPS_BACKEND_FAILED); 752 } 753 754 fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(errno)); 755 756 if (errno == ECONNREFUSED || errno == EHOSTDOWN || 757 errno == EHOSTUNREACH) 758 { 759 if (contimeout && (time(NULL) - start_time) > contimeout) 760 { 761 _cupsLangPrintFilter(stderr, "ERROR", 762 _("The printer is not responding.")); 763 update_reasons(NULL, "-connecting-to-device"); 764 return (CUPS_BACKEND_FAILED); 765 } 766 767 switch (error) 768 { 769 case EHOSTDOWN : 770 _cupsLangPrintFilter(stderr, "WARNING", 771 _("The printer may not exist or " 772 "is unavailable at this time.")); 773 break; 774 775 case EHOSTUNREACH : 776 _cupsLangPrintFilter(stderr, "WARNING", 777 _("The printer is unreachable at this " 778 "time.")); 779 break; 780 781 case ECONNREFUSED : 782 default : 783 _cupsLangPrintFilter(stderr, "WARNING", 784 _("The printer is in use.")); 785 break; 786 } 787 788 sleep(delay); 789 790 delay = _cupsNextDelay(delay, &prev_delay); 791 } 792 else 793 { 794 _cupsLangPrintFilter(stderr, "ERROR", 795 _("The printer is not responding.")); 796 sleep(30); 797 } 798 799 if (job_canceled) 800 break; 801 } 802 else 803 update_reasons(NULL, "-cups-certificate-error"); 804 } 805 while (http->fd < 0); 806 807 if (job_canceled) 808 return (CUPS_BACKEND_OK); 809 else if (!http) 810 return (CUPS_BACKEND_FAILED); 811 812 update_reasons(NULL, "-connecting-to-device"); 813 _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer.")); 814 815 fprintf(stderr, "DEBUG: Connected to %s:%d...\n", 816 httpAddrString(http->hostaddr, addrname, sizeof(addrname)), 817 httpAddrPort(http->hostaddr)); 818 819 /* 820 * Build a URI for the printer and fill the standard IPP attributes for 821 * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it 822 * might contain username:password information... 823 */ 824 825 httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri), scheme, NULL, hostname, 826 port, resource); 827 828 /* 829 * First validate the destination and see if the device supports multiple 830 * copies... 831 */ 832 833#ifdef HAVE_LIBZ 834 compression_sup = NULL; 835#endif /* HAVE_LIBZ */ 836 copies_sup = NULL; 837 cups_version = NULL; 838 format_sup = NULL; 839 media_col_sup = NULL; 840 supported = NULL; 841 operations_sup = NULL; 842 doc_handling_sup = NULL; 843 844 do 845 { 846 /* 847 * Check for side-channel requests... 848 */ 849 850 backendCheckSideChannel(snmp_fd, http->hostaddr); 851 852 /* 853 * Build the IPP request... 854 */ 855 856 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES); 857 request->request.op.version[0] = version / 10; 858 request->request.op.version[1] = version % 10; 859 860 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 861 NULL, uri); 862 863 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 864 "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]), 865 NULL, pattrs); 866 867 /* 868 * Do the request... 869 */ 870 871 fputs("DEBUG: Getting supported attributes...\n", stderr); 872 873 if (http->version < HTTP_1_1) 874 { 875 fprintf(stderr, "DEBUG: Printer responded with HTTP version %d.%d.\n", 876 http->version / 100, http->version % 100); 877 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 878 "cups-ipp-wrong-http-version"); 879 } 880 881 supported = cupsDoRequest(http, request, resource); 882 ipp_status = cupsLastError(); 883 884 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n", 885 ippErrorString(ipp_status), cupsLastErrorString()); 886 887 if (ipp_status <= IPP_OK_CONFLICT) 888 password_tries = 0; 889 else 890 { 891 fprintf(stderr, "DEBUG: Get-Printer-Attributes returned %s.\n", 892 ippErrorString(ipp_status)); 893 894 if (ipp_status == IPP_PRINTER_BUSY || 895 ipp_status == IPP_SERVICE_UNAVAILABLE) 896 { 897 if (contimeout && (time(NULL) - start_time) > contimeout) 898 { 899 _cupsLangPrintFilter(stderr, "ERROR", 900 _("The printer is not responding.")); 901 return (CUPS_BACKEND_FAILED); 902 } 903 904 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use.")); 905 906 report_printer_state(supported); 907 908 sleep(delay); 909 910 delay = _cupsNextDelay(delay, &prev_delay); 911 } 912 else if ((ipp_status == IPP_BAD_REQUEST || 913 ipp_status == IPP_VERSION_NOT_SUPPORTED) && version > 10) 914 { 915 /* 916 * Switch to IPP/1.1 or IPP/1.0... 917 */ 918 919 if (version >= 20) 920 { 921 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print.")); 922 fprintf(stderr, 923 "DEBUG: The printer does not support IPP/%d.%d, trying " 924 "IPP/1.1.\n", version / 10, version % 10); 925 version = 11; 926 } 927 else 928 { 929 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print.")); 930 fprintf(stderr, 931 "DEBUG: The printer does not support IPP/%d.%d, trying " 932 "IPP/1.0.\n", version / 10, version % 10); 933 version = 10; 934 } 935 936 httpReconnect(http); 937 } 938 else if (ipp_status == IPP_NOT_FOUND) 939 { 940 _cupsLangPrintFilter(stderr, "ERROR", 941 _("The printer configuration is incorrect or the " 942 "printer no longer exists.")); 943 944 ippDelete(supported); 945 946 return (CUPS_BACKEND_STOP); 947 } 948 else if (ipp_status == IPP_FORBIDDEN || 949 ipp_status == IPP_AUTHENTICATION_CANCELED) 950 { 951 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE); 952 /* WWW-Authenticate field value */ 953 954 if (!strncmp(www_auth, "Negotiate", 9)) 955 auth_info_required = "negotiate"; 956 else if (www_auth[0]) 957 auth_info_required = "username,password"; 958 959 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required); 960 return (CUPS_BACKEND_AUTH_REQUIRED); 961 } 962 else if (ipp_status != IPP_NOT_AUTHORIZED) 963 { 964 _cupsLangPrintFilter(stderr, "ERROR", 965 _("Unable to get printer status.")); 966 sleep(10); 967 968 httpReconnect(http); 969 } 970 971 ippDelete(supported); 972 supported = NULL; 973 continue; 974 } 975 976 if (!getenv("CLASS")) 977 { 978 /* 979 * Check printer-is-accepting-jobs = false and printer-state-reasons for the 980 * "spool-area-full" keyword... 981 */ 982 983 int busy = 0; 984 985 if ((printer_accepting = ippFindAttribute(supported, 986 "printer-is-accepting-jobs", 987 IPP_TAG_BOOLEAN)) != NULL && 988 !printer_accepting->values[0].boolean) 989 busy = 1; 990 else if (!printer_accepting) 991 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 992 "cups-ipp-missing-printer-is-accepting-jobs"); 993 994 if ((printer_state = ippFindAttribute(supported, 995 "printer-state-reasons", 996 IPP_TAG_KEYWORD)) == NULL) 997 { 998 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 999 "cups-ipp-missing-printer-state-reasons"); 1000 } 1001 else if (!busy) 1002 { 1003 for (i = 0; i < printer_state->num_values; i ++) 1004 { 1005 if (!strcmp(printer_state->values[0].string.text, 1006 "spool-area-full") || 1007 !strncmp(printer_state->values[0].string.text, "spool-area-full-", 1008 16)) 1009 { 1010 busy = 1; 1011 break; 1012 } 1013 } 1014 } 1015 1016 if (busy) 1017 { 1018 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use.")); 1019 1020 report_printer_state(supported); 1021 1022 sleep(delay); 1023 1024 delay = _cupsNextDelay(delay, &prev_delay); 1025 1026 ippDelete(supported); 1027 supported = NULL; 1028 ipp_status = IPP_STATUS_ERROR_BUSY; 1029 continue; 1030 } 1031 } 1032 1033 /* 1034 * Check for supported attributes... 1035 */ 1036 1037#ifdef HAVE_LIBZ 1038 if ((compression_sup = ippFindAttribute(supported, "compression-supported", 1039 IPP_TAG_KEYWORD)) != NULL) 1040 { 1041 /* 1042 * Check whether the requested compression is supported and/or default to 1043 * compression if supported... 1044 */ 1045 1046 if (compression && !ippContainsString(compression_sup, compression)) 1047 { 1048 fprintf(stderr, "DEBUG: Printer does not support the requested " 1049 "compression value \"%s\".\n", compression); 1050 compression = NULL; 1051 } 1052 else if (!compression) 1053 { 1054 if (ippContainsString(compression_sup, "gzip")) 1055 compression = "gzip"; 1056 else if (ippContainsString(compression_sup, "deflate")) 1057 compression = "deflate"; 1058 1059 if (compression) 1060 fprintf(stderr, "DEBUG: Automatically using \"%s\" compression.\n", 1061 compression); 1062 } 1063 } 1064#endif /* HAVE_LIBZ */ 1065 1066 if ((copies_sup = ippFindAttribute(supported, "copies-supported", 1067 IPP_TAG_RANGE)) != NULL) 1068 { 1069 /* 1070 * Has the "copies-supported" attribute - does it have an upper 1071 * bound > 1? 1072 */ 1073 1074 fprintf(stderr, "DEBUG: copies-supported=%d-%d\n", 1075 copies_sup->values[0].range.lower, 1076 copies_sup->values[0].range.upper); 1077 1078 if (copies_sup->values[0].range.upper <= 1) 1079 copies_sup = NULL; /* No */ 1080 } 1081 1082 cups_version = ippFindAttribute(supported, "cups-version", IPP_TAG_TEXT); 1083 1084 if ((format_sup = ippFindAttribute(supported, "document-format-supported", 1085 IPP_TAG_MIMETYPE)) != NULL) 1086 { 1087 fprintf(stderr, "DEBUG: document-format-supported (%d values)\n", 1088 format_sup->num_values); 1089 for (i = 0; i < format_sup->num_values; i ++) 1090 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i, 1091 format_sup->values[i].string.text); 1092 } 1093 1094 if ((media_col_sup = ippFindAttribute(supported, "media-col-supported", 1095 IPP_TAG_KEYWORD)) != NULL) 1096 { 1097 fprintf(stderr, "DEBUG: media-col-supported (%d values)\n", 1098 media_col_sup->num_values); 1099 for (i = 0; i < media_col_sup->num_values; i ++) 1100 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i, 1101 media_col_sup->values[i].string.text); 1102 } 1103 1104 print_color_mode_sup = ippFindAttribute(supported, "print-color-mode-supported", IPP_TAG_KEYWORD); 1105 1106 if ((operations_sup = ippFindAttribute(supported, "operations-supported", 1107 IPP_TAG_ENUM)) != NULL) 1108 { 1109 fprintf(stderr, "DEBUG: operations-supported (%d values)\n", 1110 operations_sup->num_values); 1111 for (i = 0; i < operations_sup->num_values; i ++) 1112 fprintf(stderr, "DEBUG: [%d] = %s\n", i, 1113 ippOpString(operations_sup->values[i].integer)); 1114 1115 for (i = 0; i < operations_sup->num_values; i ++) 1116 if (operations_sup->values[i].integer == IPP_PRINT_JOB) 1117 break; 1118 1119 if (i >= operations_sup->num_values) 1120 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1121 "cups-ipp-missing-print-job"); 1122 1123 for (i = 0; i < operations_sup->num_values; i ++) 1124 if (operations_sup->values[i].integer == IPP_CANCEL_JOB) 1125 break; 1126 1127 if (i >= operations_sup->num_values) 1128 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1129 "cups-ipp-missing-cancel-job"); 1130 1131 for (i = 0; i < operations_sup->num_values; i ++) 1132 if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES) 1133 break; 1134 1135 if (i >= operations_sup->num_values) 1136 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1137 "cups-ipp-missing-get-job-attributes"); 1138 1139 for (i = 0; i < operations_sup->num_values; i ++) 1140 if (operations_sup->values[i].integer == IPP_GET_PRINTER_ATTRIBUTES) 1141 break; 1142 1143 if (i >= operations_sup->num_values) 1144 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1145 "cups-ipp-missing-get-printer-attributes"); 1146 1147 for (i = 0; i < operations_sup->num_values; i ++) 1148 { 1149 if (operations_sup->values[i].integer == IPP_VALIDATE_JOB) 1150 validate_job = 1; 1151 else if (operations_sup->values[i].integer == IPP_CREATE_JOB) 1152 create_job = 1; 1153 else if (operations_sup->values[i].integer == IPP_SEND_DOCUMENT) 1154 send_document = 1; 1155 else if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES) 1156 get_job_attrs = 1; 1157 } 1158 1159 if (create_job && !send_document) 1160 { 1161 fputs("DEBUG: Printer supports Create-Job but not Send-Document.\n", 1162 stderr); 1163 create_job = 0; 1164 1165 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1166 "cups-ipp-missing-send-document"); 1167 } 1168 1169 if (!validate_job) 1170 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1171 "cups-ipp-missing-validate-job"); 1172 } 1173 else 1174 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1175 "cups-ipp-missing-operations-supported"); 1176 1177 doc_handling_sup = ippFindAttribute(supported, 1178 "multiple-document-handling-supported", 1179 IPP_TAG_KEYWORD); 1180 1181 report_printer_state(supported); 1182 } 1183 while (!job_canceled && ipp_status > IPP_OK_CONFLICT); 1184 1185 if (job_canceled) 1186 return (CUPS_BACKEND_OK); 1187 1188 /* 1189 * See if the printer is accepting jobs and is not stopped; if either 1190 * condition is true and we are printing to a class, requeue the job... 1191 */ 1192 1193 if (getenv("CLASS") != NULL) 1194 { 1195 printer_state = ippFindAttribute(supported, "printer-state", 1196 IPP_TAG_ENUM); 1197 printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs", 1198 IPP_TAG_BOOLEAN); 1199 1200 if (printer_state == NULL || 1201 (printer_state->values[0].integer > IPP_PRINTER_PROCESSING && 1202 waitprinter) || 1203 printer_accepting == NULL || 1204 !printer_accepting->values[0].boolean) 1205 { 1206 /* 1207 * If the CLASS environment variable is set, the job was submitted 1208 * to a class and not to a specific queue. In this case, we want 1209 * to abort immediately so that the job can be requeued on the next 1210 * available printer in the class. 1211 */ 1212 1213 _cupsLangPrintFilter(stderr, "INFO", 1214 _("Unable to contact printer, queuing on next " 1215 "printer in class.")); 1216 1217 ippDelete(supported); 1218 httpClose(http); 1219 1220 /* 1221 * Sleep 5 seconds to keep the job from requeuing too rapidly... 1222 */ 1223 1224 sleep(5); 1225 1226 return (CUPS_BACKEND_FAILED); 1227 } 1228 } 1229 1230 /* 1231 * See if the printer supports multiple copies... 1232 */ 1233 1234 copies = atoi(argv[4]); 1235 1236 if (copies_sup || argc < 7) 1237 copies_remaining = 1; 1238 else 1239 copies_remaining = copies; 1240 1241 /* 1242 * Prepare remaining printing options... 1243 */ 1244 1245 options = NULL; 1246 1247 if (send_options) 1248 { 1249 num_options = cupsParseOptions(argv[5], 0, &options); 1250 1251 if (!cups_version && media_col_sup) 1252 { 1253 /* 1254 * Load the PPD file and generate PWG attribute mapping information... 1255 */ 1256 1257 ppd = ppdOpenFile(getenv("PPD")); 1258 pc = _ppdCacheCreateWithPPD(ppd); 1259 1260 ppdMarkDefaults(ppd); 1261 cupsMarkOptions(ppd, num_options, options); 1262 } 1263 } 1264 else 1265 num_options = 0; 1266 1267 document_format = NULL; 1268 1269 if (format_sup != NULL) 1270 { 1271 for (i = 0; i < format_sup->num_values; i ++) 1272 if (!_cups_strcasecmp(final_content_type, 1273 format_sup->values[i].string.text)) 1274 { 1275 document_format = final_content_type; 1276 break; 1277 } 1278 1279 if (!document_format) 1280 { 1281 for (i = 0; i < format_sup->num_values; i ++) 1282 if (!_cups_strcasecmp("application/octet-stream", 1283 format_sup->values[i].string.text)) 1284 { 1285 document_format = "application/octet-stream"; 1286 break; 1287 } 1288 } 1289 } 1290 1291 fprintf(stderr, "DEBUG: final_content_type=\"%s\", document_format=\"%s\"\n", 1292 final_content_type, document_format ? document_format : "(null)"); 1293 1294 /* 1295 * If the printer does not support HTTP/1.1 (which IPP requires), copy stdin 1296 * to a temporary file so that we can do a HTTP/1.0 submission... 1297 * 1298 * (I hate compatibility hacks!) 1299 */ 1300 1301 if (http->version < HTTP_1_1 && num_files == 0) 1302 { 1303 if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0) 1304 { 1305 perror("DEBUG: Unable to create temporary file"); 1306 return (CUPS_BACKEND_FAILED); 1307 } 1308 1309 _cupsLangPrintFilter(stderr, "INFO", _("Copying print data.")); 1310 1311 if ((compatsize = write(fd, buffer, bytes)) < 0) 1312 { 1313 perror("DEBUG: Unable to write temporary file"); 1314 return (CUPS_BACKEND_FAILED); 1315 } 1316 1317 if ((bytes = backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0, 1318 backendNetworkSideCB)) < 0) 1319 return (CUPS_BACKEND_FAILED); 1320 1321 compatsize += bytes; 1322 1323 close(fd); 1324 1325 compatfile = tmpfilename; 1326 files = &compatfile; 1327 num_files = 1; 1328 } 1329 else if (http->version < HTTP_1_1 && num_files == 1) 1330 { 1331 struct stat fileinfo; /* File information */ 1332 1333 if (!stat(files[0], &fileinfo)) 1334 compatsize = fileinfo.st_size; 1335 } 1336 1337 /* 1338 * If the printer only claims to support IPP/1.0, or if the user specifically 1339 * included version=1.0 in the URI, then do not try to use Create-Job or 1340 * Send-Document. This is another dreaded compatibility hack, but 1341 * unfortunately there are enough broken printers out there that we need 1342 * this for now... 1343 */ 1344 1345 if (version == 10) 1346 create_job = send_document = 0; 1347 1348 /* 1349 * Start monitoring the printer in the background... 1350 */ 1351 1352 monitor.uri = uri; 1353 monitor.hostname = hostname; 1354 monitor.user = argv[2]; 1355 monitor.resource = resource; 1356 monitor.port = port; 1357 monitor.version = version; 1358 monitor.job_id = 0; 1359 monitor.get_job_attrs = get_job_attrs; 1360 monitor.encryption = cupsEncryption(); 1361 monitor.job_state = IPP_JOB_PENDING; 1362 monitor.printer_state = IPP_PRINTER_IDLE; 1363 1364 if (create_job) 1365 { 1366 monitor.job_name = argv[3]; 1367 } 1368 else 1369 { 1370 snprintf(print_job_name, sizeof(print_job_name), "%s - %s", argv[1], 1371 argv[3]); 1372 monitor.job_name = print_job_name; 1373 } 1374 1375 _cupsThreadCreate((_cups_thread_func_t)monitor_printer, &monitor); 1376 1377 /* 1378 * Validate access to the printer... 1379 */ 1380 1381 while (!job_canceled && validate_job) 1382 { 1383 request = new_request(IPP_VALIDATE_JOB, version, uri, argv[2], 1384 monitor.job_name, num_options, options, compression, 1385 copies_sup ? copies : 1, document_format, pc, ppd, 1386 media_col_sup, doc_handling_sup, print_color_mode_sup); 1387 1388 response = cupsDoRequest(http, request, resource); 1389 1390 ipp_status = cupsLastError(); 1391 1392 fprintf(stderr, "DEBUG: Validate-Job: %s (%s)\n", 1393 ippErrorString(ipp_status), cupsLastErrorString()); 1394 1395 if ((job_auth = ippFindAttribute(response, "job-authorization-uri", 1396 IPP_TAG_URI)) != NULL) 1397 num_options = cupsAddOption("job-authorization-uri", 1398 ippGetString(job_auth, 0, NULL), num_options, 1399 &options); 1400 1401 ippDelete(response); 1402 1403 if (job_canceled) 1404 break; 1405 1406 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE || 1407 ipp_status == IPP_STATUS_ERROR_BUSY) 1408 { 1409 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use.")); 1410 sleep(10); 1411 } 1412 else if (ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED || 1413 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED || 1414 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED || 1415 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED || 1416 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED) 1417 goto cleanup; 1418 else if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN || 1419 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED) 1420 { 1421 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE); 1422 /* WWW-Authenticate field value */ 1423 1424 if (!strncmp(www_auth, "Negotiate", 9)) 1425 auth_info_required = "negotiate"; 1426 else if (www_auth[0]) 1427 auth_info_required = "username,password"; 1428 1429 goto cleanup; 1430 } 1431 else if (ipp_status == IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED) 1432 { 1433 /* 1434 * This is all too common... 1435 */ 1436 1437 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1438 "cups-ipp-missing-validate-job"); 1439 break; 1440 } 1441 else if (ipp_status < IPP_REDIRECTION_OTHER_SITE || 1442 ipp_status == IPP_BAD_REQUEST) 1443 break; 1444 } 1445 1446 /* 1447 * Then issue the print-job request... 1448 */ 1449 1450 job_id = 0; 1451 1452 while (!job_canceled && copies_remaining > 0) 1453 { 1454 /* 1455 * Check for side-channel requests... 1456 */ 1457 1458 backendCheckSideChannel(snmp_fd, http->hostaddr); 1459 1460 /* 1461 * Build the IPP job creation request... 1462 */ 1463 1464 if (job_canceled) 1465 break; 1466 1467 request = new_request((num_files > 1 || create_job) ? IPP_CREATE_JOB : 1468 IPP_PRINT_JOB, 1469 version, uri, argv[2], monitor.job_name, num_options, 1470 options, compression, copies_sup ? copies : 1, 1471 document_format, pc, ppd, media_col_sup, 1472 doc_handling_sup, print_color_mode_sup); 1473 1474 /* 1475 * Do the request... 1476 */ 1477 1478 if (num_files > 1 || create_job) 1479 response = cupsDoRequest(http, request, resource); 1480 else 1481 { 1482 size_t length = 0; /* Length of request */ 1483 1484 if (compatsize > 0) 1485 { 1486 fputs("DEBUG: Sending file using HTTP/1.0 Content-Length...\n", stderr); 1487 length = ippLength(request) + (size_t)compatsize; 1488 } 1489 else 1490 fputs("DEBUG: Sending file using HTTP/1.1 chunking...\n", stderr); 1491 1492 http_status = cupsSendRequest(http, request, resource, length); 1493 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA) 1494 { 1495 if (compression && strcmp(compression, "none")) 1496 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression); 1497 1498 if (num_files == 1) 1499 { 1500 if ((fd = open(files[0], O_RDONLY)) < 0) 1501 { 1502 _cupsLangPrintError("ERROR", _("Unable to open print file")); 1503 return (CUPS_BACKEND_FAILED); 1504 } 1505 } 1506 else 1507 { 1508 fd = 0; 1509 http_status = cupsWriteRequestData(http, buffer, bytes); 1510 } 1511 1512 while (http_status == HTTP_CONTINUE && 1513 (!job_canceled || compatsize > 0)) 1514 { 1515 /* 1516 * Check for side-channel requests and more print data... 1517 */ 1518 1519 FD_ZERO(&input); 1520 FD_SET(fd, &input); 1521 FD_SET(snmp_fd, &input); 1522 1523 while (select(fd > snmp_fd ? fd + 1 : snmp_fd + 1, &input, NULL, NULL, 1524 NULL) <= 0 && !job_canceled); 1525 1526 if (FD_ISSET(snmp_fd, &input)) 1527 backendCheckSideChannel(snmp_fd, http->hostaddr); 1528 1529 if (FD_ISSET(fd, &input)) 1530 { 1531 if ((bytes = read(fd, buffer, sizeof(buffer))) > 0) 1532 { 1533 fprintf(stderr, "DEBUG: Read %d bytes...\n", (int)bytes); 1534 1535 if ((http_status = cupsWriteRequestData(http, buffer, bytes)) 1536 != HTTP_CONTINUE) 1537 break; 1538 } 1539 else if (bytes == 0 || (errno != EINTR && errno != EAGAIN)) 1540 break; 1541 } 1542 } 1543 1544 if (http_status == HTTP_ERROR) 1545 fprintf(stderr, "DEBUG: Error writing document data for " 1546 "Print-Job: %s\n", strerror(httpError(http))); 1547 1548 if (num_files == 1) 1549 close(fd); 1550 } 1551 1552 response = cupsGetResponse(http, resource); 1553 ippDelete(request); 1554 } 1555 1556 ipp_status = cupsLastError(); 1557 1558 fprintf(stderr, "DEBUG: %s: %s (%s)\n", 1559 (num_files > 1 || create_job) ? "Create-Job" : "Print-Job", 1560 ippErrorString(ipp_status), cupsLastErrorString()); 1561 1562 if (ipp_status > IPP_OK_CONFLICT) 1563 { 1564 job_id = 0; 1565 1566 if (job_canceled) 1567 break; 1568 1569 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE || 1570 ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE || 1571 ipp_status == IPP_STATUS_ERROR_BUSY) 1572 { 1573 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use.")); 1574 sleep(10); 1575 1576 if (num_files == 0) 1577 { 1578 /* 1579 * We can't re-submit when we have no files to print, so exit 1580 * immediately with the right status code... 1581 */ 1582 1583 goto cleanup; 1584 } 1585 } 1586 else if (ipp_status == IPP_STATUS_ERROR_JOB_CANCELED || 1587 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED || 1588 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES || 1589 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED || 1590 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED || 1591 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED || 1592 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED) 1593 goto cleanup; 1594 else 1595 { 1596 /* 1597 * Update auth-info-required as needed... 1598 */ 1599 1600 _cupsLangPrintFilter(stderr, "ERROR", 1601 _("Print job was not accepted.")); 1602 1603 if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN || 1604 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED) 1605 { 1606 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE); 1607 /* WWW-Authenticate field value */ 1608 1609 if (!strncmp(www_auth, "Negotiate", 9)) 1610 auth_info_required = "negotiate"; 1611 else if (www_auth[0]) 1612 auth_info_required = "username,password"; 1613 } 1614 else if (ipp_status == IPP_REQUEST_VALUE) 1615 { 1616 /* 1617 * Print file is too large, abort this job... 1618 */ 1619 1620 goto cleanup; 1621 } 1622 else 1623 sleep(10); 1624 1625 if (num_files == 0) 1626 { 1627 /* 1628 * We can't re-submit when we have no files to print, so exit 1629 * immediately with the right status code... 1630 */ 1631 1632 goto cleanup; 1633 } 1634 } 1635 } 1636 else if ((job_id_attr = ippFindAttribute(response, "job-id", 1637 IPP_TAG_INTEGER)) == NULL) 1638 { 1639 fputs("DEBUG: Print job accepted - job ID unknown.\n", stderr); 1640 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1641 "cups-ipp-missing-job-id"); 1642 job_id = 0; 1643 } 1644 else 1645 { 1646 password_tries = 0; 1647 monitor.job_id = job_id = job_id_attr->values[0].integer; 1648 fprintf(stderr, "DEBUG: Print job accepted - job ID %d.\n", job_id); 1649 } 1650 1651 ippDelete(response); 1652 1653 if (job_canceled) 1654 break; 1655 1656 if (job_id && (num_files > 1 || create_job)) 1657 { 1658 for (i = 0; num_files == 0 || i < num_files; i ++) 1659 { 1660 /* 1661 * Check for side-channel requests... 1662 */ 1663 1664 backendCheckSideChannel(snmp_fd, http->hostaddr); 1665 1666 /* 1667 * Send the next file in the job... 1668 */ 1669 1670 request = ippNewRequest(IPP_SEND_DOCUMENT); 1671 request->request.op.version[0] = version / 10; 1672 request->request.op.version[1] = version % 10; 1673 1674 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 1675 NULL, uri); 1676 1677 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", 1678 job_id); 1679 1680 if (argv[2][0]) 1681 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 1682 "requesting-user-name", NULL, argv[2]); 1683 1684 ippAddBoolean(request, IPP_TAG_OPERATION, "last-document", 1685 (i + 1) >= num_files); 1686 1687 if (document_format) 1688 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, 1689 "document-format", NULL, document_format); 1690 1691 if (compression) 1692 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 1693 "compression", NULL, compression); 1694 1695 fprintf(stderr, "DEBUG: Sending file %d using chunking...\n", i + 1); 1696 http_status = cupsSendRequest(http, request, resource, 0); 1697 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA) 1698 { 1699 if (compression && strcmp(compression, "none")) 1700 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression); 1701 1702 if (num_files == 0) 1703 { 1704 fd = 0; 1705 http_status = cupsWriteRequestData(http, buffer, bytes); 1706 } 1707 else 1708 { 1709 if ((fd = open(files[i], O_RDONLY)) < 0) 1710 { 1711 _cupsLangPrintError("ERROR", _("Unable to open print file")); 1712 return (CUPS_BACKEND_FAILED); 1713 } 1714 } 1715 } 1716 else 1717 fd = -1; 1718 1719 if (fd >= 0) 1720 { 1721 while (!job_canceled && http_status == HTTP_CONTINUE && 1722 (bytes = read(fd, buffer, sizeof(buffer))) > 0) 1723 { 1724 if ((http_status = cupsWriteRequestData(http, buffer, bytes)) 1725 != HTTP_CONTINUE) 1726 break; 1727 else 1728 { 1729 /* 1730 * Check for side-channel requests... 1731 */ 1732 1733 backendCheckSideChannel(snmp_fd, http->hostaddr); 1734 } 1735 } 1736 1737 if (fd > 0) 1738 close(fd); 1739 } 1740 1741 if (http_status == HTTP_ERROR) 1742 fprintf(stderr, "DEBUG: Error writing document data for " 1743 "Send-Document: %s\n", strerror(httpError(http))); 1744 1745 ippDelete(cupsGetResponse(http, resource)); 1746 ippDelete(request); 1747 1748 fprintf(stderr, "DEBUG: Send-Document: %s (%s)\n", 1749 ippErrorString(cupsLastError()), cupsLastErrorString()); 1750 1751 if (cupsLastError() > IPP_OK_CONFLICT) 1752 { 1753 ipp_status = cupsLastError(); 1754 1755 _cupsLangPrintFilter(stderr, "ERROR", 1756 _("Unable to add document to print job.")); 1757 break; 1758 } 1759 else 1760 { 1761 password_tries = 0; 1762 1763 if (num_files == 0 || fd < 0) 1764 break; 1765 } 1766 } 1767 } 1768 1769 if (ipp_status <= IPP_OK_CONFLICT && argc > 6) 1770 { 1771 fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1); 1772 copies_remaining --; 1773 } 1774 else if (ipp_status == IPP_SERVICE_UNAVAILABLE || 1775 ipp_status == IPP_NOT_POSSIBLE || 1776 ipp_status == IPP_PRINTER_BUSY) 1777 { 1778 if (argc == 6) 1779 { 1780 /* 1781 * Need to reprocess the entire job; if we have a job ID, cancel the 1782 * job first... 1783 */ 1784 1785 if (job_id > 0) 1786 cancel_job(http, uri, job_id, resource, argv[2], version); 1787 1788 goto cleanup; 1789 } 1790 continue; 1791 } 1792 else if (ipp_status == IPP_REQUEST_VALUE || 1793 ipp_status == IPP_ERROR_JOB_CANCELED || 1794 ipp_status == IPP_NOT_AUTHORIZED || 1795 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED || 1796 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED || 1797 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED || 1798 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED || 1799 ipp_status == IPP_INTERNAL_ERROR) 1800 { 1801 /* 1802 * Print file is too large, job was canceled, we need new 1803 * authentication data, or we had some sort of error... 1804 */ 1805 1806 goto cleanup; 1807 } 1808 else if (ipp_status == IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED) 1809 { 1810 /* 1811 * Server is configured incorrectly; the policy for Create-Job and 1812 * Send-Document has to be the same (auth or no auth, encryption or 1813 * no encryption). Force the queue to stop since printing will never 1814 * work. 1815 */ 1816 1817 fputs("DEBUG: The server or printer is configured incorrectly.\n", 1818 stderr); 1819 fputs("DEBUG: The policy for Create-Job and Send-Document must have the " 1820 "same authentication and encryption requirements.\n", stderr); 1821 1822 ipp_status = IPP_STATUS_ERROR_INTERNAL; 1823 1824 if (job_id > 0) 1825 cancel_job(http, uri, job_id, resource, argv[2], version); 1826 1827 goto cleanup; 1828 } 1829 else if (ipp_status == IPP_NOT_FOUND) 1830 { 1831 /* 1832 * Printer does not actually implement support for Create-Job/ 1833 * Send-Document, so log the conformance issue and stop the printer. 1834 */ 1835 1836 fputs("DEBUG: This printer claims to support Create-Job and " 1837 "Send-Document, but those operations failed.\n", stderr); 1838 fputs("DEBUG: Add '?version=1.0' to the device URI to use legacy " 1839 "compatibility mode.\n", stderr); 1840 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1841 "cups-ipp-missing-send-document"); 1842 1843 ipp_status = IPP_INTERNAL_ERROR; /* Force queue to stop */ 1844 1845 goto cleanup; 1846 } 1847 else 1848 copies_remaining --; 1849 1850 /* 1851 * Wait for the job to complete... 1852 */ 1853 1854 if (!job_id || !waitjob || !get_job_attrs) 1855 continue; 1856 1857 _cupsLangPrintFilter(stderr, "INFO", _("Waiting for job to complete.")); 1858 1859 for (delay = _cupsNextDelay(0, &prev_delay); !job_canceled;) 1860 { 1861 /* 1862 * Check for side-channel requests... 1863 */ 1864 1865 backendCheckSideChannel(snmp_fd, http->hostaddr); 1866 1867 /* 1868 * Check printer state... 1869 */ 1870 1871 check_printer_state(http, uri, resource, argv[2], version); 1872 1873 if (cupsLastError() <= IPP_OK_CONFLICT) 1874 password_tries = 0; 1875 1876 /* 1877 * Build an IPP_GET_JOB_ATTRIBUTES request... 1878 */ 1879 1880 request = ippNewRequest(IPP_GET_JOB_ATTRIBUTES); 1881 request->request.op.version[0] = version / 10; 1882 request->request.op.version[1] = version % 10; 1883 1884 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 1885 NULL, uri); 1886 1887 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", 1888 job_id); 1889 1890 if (argv[2][0]) 1891 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 1892 "requesting-user-name", NULL, argv[2]); 1893 1894 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 1895 "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]), 1896 NULL, jattrs); 1897 1898 /* 1899 * Do the request... 1900 */ 1901 1902 httpReconnect(http); 1903 response = cupsDoRequest(http, request, resource); 1904 ipp_status = cupsLastError(); 1905 1906 if (ipp_status == IPP_NOT_FOUND || ipp_status == IPP_NOT_POSSIBLE) 1907 { 1908 /* 1909 * Job has gone away and/or the server has no job history... 1910 */ 1911 1912 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1913 "cups-ipp-missing-job-history"); 1914 ippDelete(response); 1915 1916 ipp_status = IPP_OK; 1917 break; 1918 } 1919 1920 fprintf(stderr, "DEBUG: Get-Job-Attributes: %s (%s)\n", 1921 ippErrorString(ipp_status), cupsLastErrorString()); 1922 1923 if (ipp_status <= IPP_OK_CONFLICT) 1924 password_tries = 0; 1925 else 1926 { 1927 if (ipp_status != IPP_SERVICE_UNAVAILABLE && 1928 ipp_status != IPP_PRINTER_BUSY) 1929 { 1930 ippDelete(response); 1931 ipp_status = IPP_OK; 1932 break; 1933 } 1934 else if (ipp_status == IPP_INTERNAL_ERROR) 1935 { 1936 waitjob_tries ++; 1937 1938 if (waitjob_tries > 4) 1939 { 1940 ippDelete(response); 1941 ipp_status = IPP_OK; 1942 break; 1943 } 1944 } 1945 } 1946 1947 if (response) 1948 { 1949 if ((job_state = ippFindAttribute(response, "job-state", 1950 IPP_TAG_ENUM)) != NULL) 1951 { 1952 /* 1953 * Reflect the remote job state in the local queue... 1954 */ 1955 1956 if (cups_version && 1957 job_state->values[0].integer >= IPP_JOB_PENDING && 1958 job_state->values[0].integer <= IPP_JOB_COMPLETED) 1959 update_reasons(NULL, 1960 remote_job_states[job_state->values[0].integer - 1961 IPP_JOB_PENDING]); 1962 1963 if ((job_sheets = ippFindAttribute(response, 1964 "job-media-sheets-completed", 1965 IPP_TAG_INTEGER)) == NULL) 1966 job_sheets = ippFindAttribute(response, 1967 "job-impressions-completed", 1968 IPP_TAG_INTEGER); 1969 1970 if (job_sheets) 1971 fprintf(stderr, "PAGE: total %d\n", 1972 job_sheets->values[0].integer); 1973 1974 /* 1975 * Stop polling if the job is finished or pending-held... 1976 */ 1977 1978 if (job_state->values[0].integer > IPP_JOB_STOPPED) 1979 { 1980 ippDelete(response); 1981 break; 1982 } 1983 } 1984 else if (ipp_status != IPP_SERVICE_UNAVAILABLE && 1985 ipp_status != IPP_NOT_POSSIBLE && 1986 ipp_status != IPP_PRINTER_BUSY) 1987 { 1988 /* 1989 * If the printer does not return a job-state attribute, it does not 1990 * conform to the IPP specification - break out immediately and fail 1991 * the job... 1992 */ 1993 1994 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1995 "cups-ipp-missing-job-state"); 1996 ipp_status = IPP_INTERNAL_ERROR; 1997 break; 1998 } 1999 } 2000 2001 ippDelete(response); 2002 2003 /* 2004 * Wait before polling again... 2005 */ 2006 2007 sleep(delay); 2008 2009 delay = _cupsNextDelay(delay, &prev_delay); 2010 } 2011 } 2012 2013 /* 2014 * Cancel the job as needed... 2015 */ 2016 2017 if (job_canceled > 0 && job_id > 0) 2018 cancel_job(http, uri, job_id, resource, argv[2], version); 2019 2020 /* 2021 * Check the printer state and report it if necessary... 2022 */ 2023 2024 check_printer_state(http, uri, resource, argv[2], version); 2025 2026 if (cupsLastError() <= IPP_OK_CONFLICT) 2027 password_tries = 0; 2028 2029 /* 2030 * Collect the final page count as needed... 2031 */ 2032 2033 if (have_supplies && 2034 !backendSNMPSupplies(snmp_fd, &(http->addrlist->addr), &page_count, 2035 NULL) && 2036 page_count > start_count) 2037 fprintf(stderr, "PAGE: total %d\n", page_count - start_count); 2038 2039#ifdef HAVE_GSSAPI 2040 /* 2041 * See if we used Kerberos at all... 2042 */ 2043 2044 if (http->gssctx) 2045 auth_info_required = "negotiate"; 2046#endif /* HAVE_GSSAPI */ 2047 2048 /* 2049 * Free memory... 2050 */ 2051 2052 cleanup: 2053 2054 cupsFreeOptions(num_options, options); 2055 _ppdCacheDestroy(pc); 2056 ppdClose(ppd); 2057 2058 httpClose(http); 2059 2060 ippDelete(supported); 2061 2062 /* 2063 * Remove the temporary file(s) if necessary... 2064 */ 2065 2066 if (tmpfilename[0]) 2067 unlink(tmpfilename); 2068 2069 /* 2070 * Return the queue status... 2071 */ 2072 2073 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN || 2074 ipp_status == IPP_AUTHENTICATION_CANCELED || 2075 ipp_status <= IPP_OK_CONFLICT) 2076 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required); 2077 2078 if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED) 2079 fputs("JOBSTATE: account-info-needed\n", stderr); 2080 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED) 2081 fputs("JOBSTATE: account-closed\n", stderr); 2082 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED) 2083 fputs("JOBSTATE: account-limit-reached\n", stderr); 2084 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED) 2085 fputs("JOBSTATE: account-authorization-failed\n", stderr); 2086 2087 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN || 2088 ipp_status == IPP_AUTHENTICATION_CANCELED) 2089 return (CUPS_BACKEND_AUTH_REQUIRED); 2090 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED || 2091 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED || 2092 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED || 2093 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED) 2094 return (CUPS_BACKEND_HOLD); 2095 else if (ipp_status == IPP_INTERNAL_ERROR) 2096 return (CUPS_BACKEND_STOP); 2097 else if (ipp_status == IPP_CONFLICT) 2098 return (CUPS_BACKEND_FAILED); 2099 else if (ipp_status == IPP_REQUEST_VALUE || 2100 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES || 2101 ipp_status == IPP_DOCUMENT_FORMAT || job_canceled < 0) 2102 { 2103 if (ipp_status == IPP_REQUEST_VALUE) 2104 _cupsLangPrintFilter(stderr, "ERROR", _("Print job too large.")); 2105 else if (ipp_status == IPP_DOCUMENT_FORMAT) 2106 _cupsLangPrintFilter(stderr, "ERROR", 2107 _("Printer cannot print supplied content.")); 2108 else if (ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES) 2109 _cupsLangPrintFilter(stderr, "ERROR", 2110 _("Printer cannot print with supplied options.")); 2111 else 2112 _cupsLangPrintFilter(stderr, "ERROR", _("Print job canceled at printer.")); 2113 2114 return (CUPS_BACKEND_CANCEL); 2115 } 2116 else if (ipp_status > IPP_OK_CONFLICT && ipp_status != IPP_ERROR_JOB_CANCELED) 2117 return (CUPS_BACKEND_RETRY_CURRENT); 2118 else 2119 return (CUPS_BACKEND_OK); 2120} 2121 2122 2123/* 2124 * 'cancel_job()' - Cancel a print job. 2125 */ 2126 2127static void 2128cancel_job(http_t *http, /* I - HTTP connection */ 2129 const char *uri, /* I - printer-uri */ 2130 int id, /* I - job-id */ 2131 const char *resource, /* I - Resource path */ 2132 const char *user, /* I - requesting-user-name */ 2133 int version) /* I - IPP version */ 2134{ 2135 ipp_t *request; /* Cancel-Job request */ 2136 2137 2138 _cupsLangPrintFilter(stderr, "INFO", _("Canceling print job.")); 2139 2140 request = ippNewRequest(IPP_CANCEL_JOB); 2141 request->request.op.version[0] = version / 10; 2142 request->request.op.version[1] = version % 10; 2143 2144 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 2145 NULL, uri); 2146 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", id); 2147 2148 if (user && user[0]) 2149 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 2150 "requesting-user-name", NULL, user); 2151 2152 /* 2153 * Do the request... 2154 */ 2155 2156 ippDelete(cupsDoRequest(http, request, resource)); 2157 2158 if (cupsLastError() > IPP_OK_CONFLICT) 2159 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job.")); 2160} 2161 2162 2163/* 2164 * 'check_printer_state()' - Check the printer state. 2165 */ 2166 2167static ipp_pstate_t /* O - Current printer-state */ 2168check_printer_state( 2169 http_t *http, /* I - HTTP connection */ 2170 const char *uri, /* I - Printer URI */ 2171 const char *resource, /* I - Resource path */ 2172 const char *user, /* I - Username, if any */ 2173 int version) /* I - IPP version */ 2174 { 2175 ipp_t *request, /* IPP request */ 2176 *response; /* IPP response */ 2177 ipp_attribute_t *attr; /* Attribute in response */ 2178 ipp_pstate_t printer_state = IPP_PRINTER_STOPPED; 2179 /* Current printer-state */ 2180 2181 2182 /* 2183 * Send a Get-Printer-Attributes request and log the results... 2184 */ 2185 2186 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES); 2187 request->request.op.version[0] = version / 10; 2188 request->request.op.version[1] = version % 10; 2189 2190 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 2191 NULL, uri); 2192 2193 if (user && user[0]) 2194 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 2195 "requesting-user-name", NULL, user); 2196 2197 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 2198 "requested-attributes", 2199 (int)(sizeof(pattrs) / sizeof(pattrs[0])), NULL, pattrs); 2200 2201 if ((response = cupsDoRequest(http, request, resource)) != NULL) 2202 { 2203 report_printer_state(response); 2204 2205 if ((attr = ippFindAttribute(response, "printer-state", 2206 IPP_TAG_ENUM)) != NULL) 2207 printer_state = (ipp_pstate_t)attr->values[0].integer; 2208 2209 ippDelete(response); 2210 } 2211 2212 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n", 2213 ippErrorString(cupsLastError()), cupsLastErrorString()); 2214 2215 /* 2216 * Return the printer-state value... 2217 */ 2218 2219 return (printer_state); 2220} 2221 2222 2223/* 2224 * 'monitor_printer()' - Monitor the printer state. 2225 */ 2226 2227static void * /* O - Thread exit code */ 2228monitor_printer( 2229 _cups_monitor_t *monitor) /* I - Monitoring data */ 2230{ 2231 http_t *http; /* Connection to printer */ 2232 ipp_t *request, /* IPP request */ 2233 *response; /* IPP response */ 2234 ipp_attribute_t *attr; /* Attribute in response */ 2235 int delay, /* Current delay */ 2236 prev_delay; /* Previous delay */ 2237 ipp_op_t job_op; /* Operation to use */ 2238 int job_id; /* Job ID */ 2239 const char *job_name; /* Job name */ 2240 ipp_jstate_t job_state; /* Job state */ 2241 const char *job_user; /* Job originating user name */ 2242 int password_tries = 0; /* Password tries */ 2243 2244 2245 /* 2246 * Make a copy of the printer connection... 2247 */ 2248 2249 http = httpConnect2(monitor->hostname, monitor->port, NULL, AF_UNSPEC, 2250 monitor->encryption, 1, 0, NULL); 2251 httpSetTimeout(http, 30.0, timeout_cb, NULL); 2252 if (username[0]) 2253 cupsSetUser(username); 2254 2255 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries); 2256 2257 /* 2258 * Loop until the job is canceled, aborted, or completed. 2259 */ 2260 2261 delay = _cupsNextDelay(0, &prev_delay); 2262 2263 monitor->job_reasons = 0; 2264 2265 while (monitor->job_state < IPP_JOB_CANCELED && !job_canceled) 2266 { 2267 /* 2268 * Reconnect to the printer... 2269 */ 2270 2271 if (!httpReconnect(http)) 2272 { 2273 /* 2274 * Connected, so check on the printer state... 2275 */ 2276 2277 monitor->printer_state = check_printer_state(http, monitor->uri, 2278 monitor->resource, 2279 monitor->user, 2280 monitor->version); 2281 if (cupsLastError() <= IPP_OK_CONFLICT) 2282 password_tries = 0; 2283 2284 /* 2285 * Check the status of the job itself... 2286 */ 2287 2288 job_op = (monitor->job_id > 0 && monitor->get_job_attrs) ? 2289 IPP_GET_JOB_ATTRIBUTES : IPP_GET_JOBS; 2290 request = ippNewRequest(job_op); 2291 request->request.op.version[0] = monitor->version / 10; 2292 request->request.op.version[1] = monitor->version % 10; 2293 2294 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 2295 NULL, monitor->uri); 2296 if (job_op == IPP_GET_JOB_ATTRIBUTES) 2297 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", 2298 monitor->job_id); 2299 2300 if (monitor->user && monitor->user[0]) 2301 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 2302 "requesting-user-name", NULL, monitor->user); 2303 2304 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 2305 "requested-attributes", 2306 (int)(sizeof(jattrs) / sizeof(jattrs[0])), NULL, jattrs); 2307 2308 /* 2309 * Do the request... 2310 */ 2311 2312 response = cupsDoRequest(http, request, monitor->resource); 2313 2314 fprintf(stderr, "DEBUG: (monitor) %s: %s (%s)\n", ippOpString(job_op), 2315 ippErrorString(cupsLastError()), cupsLastErrorString()); 2316 2317 if (cupsLastError() <= IPP_OK_CONFLICT) 2318 password_tries = 0; 2319 2320 if (job_op == IPP_GET_JOB_ATTRIBUTES) 2321 { 2322 if ((attr = ippFindAttribute(response, "job-state", 2323 IPP_TAG_ENUM)) != NULL) 2324 monitor->job_state = (ipp_jstate_t)attr->values[0].integer; 2325 else 2326 monitor->job_state = IPP_JOB_COMPLETED; 2327 } 2328 else if (response) 2329 { 2330 for (attr = response->attrs; attr; attr = attr->next) 2331 { 2332 job_id = 0; 2333 job_name = NULL; 2334 job_state = IPP_JOB_PENDING; 2335 job_user = NULL; 2336 2337 while (attr && attr->group_tag != IPP_TAG_JOB) 2338 attr = attr->next; 2339 2340 if (!attr) 2341 break; 2342 2343 while (attr && attr->group_tag == IPP_TAG_JOB) 2344 { 2345 if (!strcmp(attr->name, "job-id") && 2346 attr->value_tag == IPP_TAG_INTEGER) 2347 job_id = attr->values[0].integer; 2348 else if (!strcmp(attr->name, "job-name") && 2349 (attr->value_tag == IPP_TAG_NAME || 2350 attr->value_tag == IPP_TAG_NAMELANG)) 2351 job_name = attr->values[0].string.text; 2352 else if (!strcmp(attr->name, "job-state") && 2353 attr->value_tag == IPP_TAG_ENUM) 2354 job_state = attr->values[0].integer; 2355 else if (!strcmp(attr->name, "job-originating-user-name") && 2356 (attr->value_tag == IPP_TAG_NAME || 2357 attr->value_tag == IPP_TAG_NAMELANG)) 2358 job_user = attr->values[0].string.text; 2359 2360 attr = attr->next; 2361 } 2362 2363 if (job_id > 0 && job_name && !strcmp(job_name, monitor->job_name) && 2364 job_user && monitor->user && !strcmp(job_user, monitor->user)) 2365 { 2366 monitor->job_id = job_id; 2367 monitor->job_state = job_state; 2368 break; 2369 } 2370 2371 if (!attr) 2372 break; 2373 } 2374 } 2375 2376 if ((attr = ippFindAttribute(response, "job-state-reasons", 2377 IPP_TAG_KEYWORD)) != NULL) 2378 { 2379 int i, new_reasons = 0; /* Looping var, new reasons */ 2380 2381 for (i = 0; i < attr->num_values; i ++) 2382 { 2383 if (!strcmp(attr->values[i].string.text, 2384 "account-authorization-failed")) 2385 new_reasons |= _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED; 2386 else if (!strcmp(attr->values[i].string.text, "account-closed")) 2387 new_reasons |= _CUPS_JSR_ACCOUNT_CLOSED; 2388 else if (!strcmp(attr->values[i].string.text, "account-info-needed")) 2389 new_reasons |= _CUPS_JSR_ACCOUNT_INFO_NEEDED; 2390 else if (!strcmp(attr->values[i].string.text, 2391 "account-limit-reached")) 2392 new_reasons |= _CUPS_JSR_ACCOUNT_LIMIT_REACHED; 2393 else if (!strcmp(attr->values[i].string.text, "job-password-wait")) 2394 new_reasons |= _CUPS_JSR_JOB_PASSWORD_WAIT; 2395 else if (!strcmp(attr->values[i].string.text, "job-release-wait")) 2396 new_reasons |= _CUPS_JSR_JOB_RELEASE_WAIT; 2397 } 2398 2399 if (new_reasons != monitor->job_reasons) 2400 { 2401 if (new_reasons & _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED) 2402 fputs("JOBSTATE: account-authorization-failed\n", stderr); 2403 else if (new_reasons & _CUPS_JSR_ACCOUNT_CLOSED) 2404 fputs("JOBSTATE: account-closed\n", stderr); 2405 else if (new_reasons & _CUPS_JSR_ACCOUNT_INFO_NEEDED) 2406 fputs("JOBSTATE: account-info-needed\n", stderr); 2407 else if (new_reasons & _CUPS_JSR_ACCOUNT_LIMIT_REACHED) 2408 fputs("JOBSTATE: account-limit-reached\n", stderr); 2409 else if (new_reasons & _CUPS_JSR_JOB_PASSWORD_WAIT) 2410 fputs("JOBSTATE: job-password-wait\n", stderr); 2411 else if (new_reasons & _CUPS_JSR_JOB_RELEASE_WAIT) 2412 fputs("JOBSTATE: job-release-wait\n", stderr); 2413 else 2414 fputs("JOBSTATE: job-printing\n", stderr); 2415 2416 monitor->job_reasons = new_reasons; 2417 } 2418 } 2419 2420 ippDelete(response); 2421 2422 fprintf(stderr, "DEBUG: (monitor) job-state=%s\n", 2423 ippEnumString("job-state", monitor->job_state)); 2424 2425 if (!job_canceled && 2426 (monitor->job_state == IPP_JOB_CANCELED || 2427 monitor->job_state == IPP_JOB_ABORTED)) 2428 job_canceled = -1; 2429 2430 /* 2431 * Disconnect from the printer - we'll reconnect on the next poll... 2432 */ 2433 2434 _httpDisconnect(http); 2435 } 2436 2437 /* 2438 * Sleep for N seconds... 2439 */ 2440 2441 sleep(delay); 2442 2443 delay = _cupsNextDelay(delay, &prev_delay); 2444 } 2445 2446 /* 2447 * Cancel the job if necessary... 2448 */ 2449 2450 if (job_canceled > 0 && monitor->job_id > 0) 2451 if (!httpReconnect(http)) 2452 cancel_job(http, monitor->uri, monitor->job_id, monitor->resource, 2453 monitor->user, monitor->version); 2454 2455 /* 2456 * Cleanup and return... 2457 */ 2458 2459 httpClose(http); 2460 2461 return (NULL); 2462} 2463 2464 2465/* 2466 * 'new_request()' - Create a new print creation or validation request. 2467 */ 2468 2469static ipp_t * /* O - Request data */ 2470new_request( 2471 ipp_op_t op, /* I - IPP operation code */ 2472 int version, /* I - IPP version number */ 2473 const char *uri, /* I - printer-uri value */ 2474 const char *user, /* I - requesting-user-name value */ 2475 const char *title, /* I - job-name value */ 2476 int num_options, /* I - Number of options to send */ 2477 cups_option_t *options, /* I - Options to send */ 2478 const char *compression, /* I - compression value or NULL */ 2479 int copies, /* I - copies value or 0 */ 2480 const char *format, /* I - document-format value or NULL */ 2481 _ppd_cache_t *pc, /* I - PPD cache and mapping data */ 2482 ppd_file_t *ppd, /* I - PPD file data */ 2483 ipp_attribute_t *media_col_sup, /* I - media-col-supported values */ 2484 ipp_attribute_t *doc_handling_sup, /* I - multiple-document-handling-supported values */ 2485 ipp_attribute_t *print_color_mode_sup) 2486 /* I - Printer supports print-color-mode */ 2487{ 2488 int i; /* Looping var */ 2489 ipp_t *request; /* Request data */ 2490 const char *keyword; /* PWG keyword */ 2491 _pwg_size_t *size; /* PWG media size */ 2492 ipp_t *media_col, /* media-col value */ 2493 *media_size; /* media-size value */ 2494 const char *media_source, /* media-source value */ 2495 *media_type, /* media-type value */ 2496 *collate_str, /* multiple-document-handling value */ 2497 *mandatory; /* Mandatory attributes */ 2498 ipp_tag_t group; /* Current group */ 2499 ipp_attribute_t *attr; /* Current attribute */ 2500 const char *color_attr_name; /* Supported color attribute */ 2501 char buffer[1024]; /* Value buffer */ 2502 2503 2504 /* 2505 * Create the IPP request... 2506 */ 2507 2508 request = ippNewRequest(op); 2509 request->request.op.version[0] = version / 10; 2510 request->request.op.version[1] = version % 10; 2511 2512 fprintf(stderr, "DEBUG: %s IPP/%d.%d\n", 2513 ippOpString(request->request.op.operation_id), 2514 request->request.op.version[0], 2515 request->request.op.version[1]); 2516 2517 /* 2518 * Add standard attributes... 2519 */ 2520 2521 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 2522 NULL, uri); 2523 fprintf(stderr, "DEBUG: printer-uri=\"%s\"\n", uri); 2524 2525 if (user && *user) 2526 { 2527 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 2528 "requesting-user-name", NULL, user); 2529 fprintf(stderr, "DEBUG: requesting-user-name=\"%s\"\n", user); 2530 } 2531 2532 if (title && *title) 2533 { 2534 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, 2535 title); 2536 fprintf(stderr, "DEBUG: job-name=\"%s\"\n", title); 2537 } 2538 2539 if (format && op != IPP_CREATE_JOB) 2540 { 2541 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, 2542 "document-format", NULL, format); 2543 fprintf(stderr, "DEBUG: document-format=\"%s\"\n", format); 2544 } 2545 2546#ifdef HAVE_LIBZ 2547 if (compression && op != IPP_OP_CREATE_JOB && op != IPP_OP_VALIDATE_JOB) 2548 { 2549 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 2550 "compression", NULL, compression); 2551 fprintf(stderr, "DEBUG: compression=\"%s\"\n", compression); 2552 } 2553#endif /* HAVE_LIBZ */ 2554 2555 /* 2556 * Handle options on the command-line... 2557 */ 2558 2559 if (num_options > 0) 2560 { 2561 if (pc) 2562 { 2563 int num_finishings = 0, /* Number of finishing values */ 2564 finishings[10]; /* Finishing enum values */ 2565 ppd_choice_t *choice; /* Marked choice */ 2566 2567 /* 2568 * Send standard IPP attributes... 2569 */ 2570 2571 fputs("DEBUG: Adding standard IPP operation/job attributes.\n", stderr); 2572 2573 if (pc->password && 2574 (keyword = cupsGetOption("job-password", num_options, 2575 options)) != NULL) 2576 { 2577 ippAddOctetString(request, IPP_TAG_OPERATION, "job-password", 2578 keyword, strlen(keyword)); 2579 2580 if ((keyword = cupsGetOption("job-password-encryption", num_options, 2581 options)) == NULL) 2582 keyword = "none"; 2583 2584 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 2585 "job-password-encryption", NULL, keyword); 2586 } 2587 2588 if (pc->account_id) 2589 { 2590 if ((keyword = cupsGetOption("job-account-id", num_options, 2591 options)) == NULL) 2592 keyword = cupsGetOption("job-billing", num_options, options); 2593 2594 if (keyword) 2595 ippAddString(request, IPP_TAG_JOB, IPP_TAG_NAME, "job-account-id", 2596 NULL, keyword); 2597 } 2598 2599 if (pc->accounting_user_id) 2600 { 2601 if ((keyword = cupsGetOption("job-accounting-user-id", num_options, 2602 options)) == NULL) 2603 keyword = user; 2604 2605 if (keyword) 2606 ippAddString(request, IPP_TAG_JOB, IPP_TAG_NAME, 2607 "job-accounting-user-id", NULL, keyword); 2608 } 2609 2610 for (mandatory = (char *)cupsArrayFirst(pc->mandatory); 2611 mandatory; 2612 mandatory = (char *)cupsArrayNext(pc->mandatory)) 2613 { 2614 if (strcmp(mandatory, "copies") && 2615 strcmp(mandatory, "destination-uris") && 2616 strcmp(mandatory, "finishings") && 2617 strcmp(mandatory, "job-account-id") && 2618 strcmp(mandatory, "job-accounting-user-id") && 2619 strcmp(mandatory, "job-password") && 2620 strcmp(mandatory, "job-password-encryption") && 2621 strcmp(mandatory, "media") && 2622 strncmp(mandatory, "media-col", 9) && 2623 strcmp(mandatory, "multiple-document-handling") && 2624 strcmp(mandatory, "output-bin") && 2625 strcmp(mandatory, "print-color-mode") && 2626 strcmp(mandatory, "print-quality") && 2627 strcmp(mandatory, "sides") && 2628 (keyword = cupsGetOption(mandatory, num_options, options)) != NULL) 2629 { 2630 _ipp_option_t *opt = _ippFindOption(mandatory); 2631 /* Option type */ 2632 ipp_tag_t value_tag = opt ? opt->value_tag : IPP_TAG_NAME; 2633 /* Value type */ 2634 2635 switch (value_tag) 2636 { 2637 case IPP_TAG_INTEGER : 2638 case IPP_TAG_ENUM : 2639 ippAddInteger(request, IPP_TAG_JOB, value_tag, mandatory, 2640 atoi(keyword)); 2641 break; 2642 case IPP_TAG_BOOLEAN : 2643 ippAddBoolean(request, IPP_TAG_JOB, mandatory, 2644 !_cups_strcasecmp(keyword, "true")); 2645 break; 2646 case IPP_TAG_RANGE : 2647 { 2648 int lower, upper; /* Range */ 2649 2650 if (sscanf(keyword, "%d-%d", &lower, &upper) != 2) 2651 lower = upper = atoi(keyword); 2652 2653 ippAddRange(request, IPP_TAG_JOB, mandatory, lower, upper); 2654 } 2655 break; 2656 case IPP_TAG_STRING : 2657 ippAddOctetString(request, IPP_TAG_JOB, mandatory, keyword, 2658 strlen(keyword)); 2659 break; 2660 default : 2661 if (!strcmp(mandatory, "print-color-mode") && !strcmp(keyword, "monochrome")) 2662 { 2663 if (ippContainsString(print_color_mode_sup, "auto-monochrome")) 2664 keyword = "auto-monochrome"; 2665 else if (ippContainsString(print_color_mode_sup, "process-monochrome") && !ippContainsString(print_color_mode_sup, "monochrome")) 2666 keyword = "process-monochrome"; 2667 } 2668 2669 ippAddString(request, IPP_TAG_JOB, value_tag, mandatory, 2670 NULL, keyword); 2671 break; 2672 } 2673 } 2674 } 2675 2676 if ((keyword = cupsGetOption("PageSize", num_options, options)) == NULL) 2677 keyword = cupsGetOption("media", num_options, options); 2678 2679 if ((size = _ppdCacheGetSize(pc, keyword)) != NULL) 2680 { 2681 /* 2682 * Add a media-col value... 2683 */ 2684 2685 media_size = ippNew(); 2686 ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2687 "x-dimension", size->width); 2688 ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2689 "y-dimension", size->length); 2690 2691 media_col = ippNew(); 2692 ippAddCollection(media_col, IPP_TAG_ZERO, "media-size", media_size); 2693 2694 media_source = _ppdCacheGetSource(pc, cupsGetOption("InputSlot", 2695 num_options, 2696 options)); 2697 media_type = _ppdCacheGetType(pc, cupsGetOption("MediaType", 2698 num_options, 2699 options)); 2700 2701 for (i = 0; i < media_col_sup->num_values; i ++) 2702 { 2703 if (!strcmp(media_col_sup->values[i].string.text, 2704 "media-left-margin")) 2705 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2706 "media-left-margin", size->left); 2707 else if (!strcmp(media_col_sup->values[i].string.text, 2708 "media-bottom-margin")) 2709 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2710 "media-bottom-margin", size->bottom); 2711 else if (!strcmp(media_col_sup->values[i].string.text, 2712 "media-right-margin")) 2713 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2714 "media-right-margin", size->right); 2715 else if (!strcmp(media_col_sup->values[i].string.text, 2716 "media-top-margin")) 2717 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2718 "media-top-margin", size->top); 2719 else if (!strcmp(media_col_sup->values[i].string.text, 2720 "media-source") && media_source) 2721 ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD, 2722 "media-source", NULL, media_source); 2723 else if (!strcmp(media_col_sup->values[i].string.text, 2724 "media-type") && media_type) 2725 ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD, 2726 "media-type", NULL, media_type); 2727 } 2728 2729 ippAddCollection(request, IPP_TAG_JOB, "media-col", media_col); 2730 } 2731 2732 if ((keyword = cupsGetOption("output-bin", num_options, 2733 options)) == NULL) 2734 { 2735 if ((choice = ppdFindMarkedChoice(ppd, "OutputBin")) != NULL) 2736 keyword = _ppdCacheGetBin(pc, choice->choice); 2737 } 2738 2739 if (keyword) 2740 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "output-bin", 2741 NULL, keyword); 2742 2743 color_attr_name = print_color_mode_sup ? "print-color-mode" : "output-mode"; 2744 2745 if ((keyword = cupsGetOption("print-color-mode", num_options, 2746 options)) == NULL) 2747 { 2748 if ((choice = ppdFindMarkedChoice(ppd, "ColorModel")) != NULL) 2749 { 2750 if (!_cups_strcasecmp(choice->choice, "Gray")) 2751 keyword = "monochrome"; 2752 else 2753 keyword = "color"; 2754 } 2755 } 2756 2757 if (keyword && !strcmp(keyword, "monochrome")) 2758 { 2759 if (ippContainsString(print_color_mode_sup, "auto-monochrome")) 2760 keyword = "auto-monochrome"; 2761 else if (ippContainsString(print_color_mode_sup, "process-monochrome") && !ippContainsString(print_color_mode_sup, "monochrome")) 2762 keyword = "process-monochrome"; 2763 } 2764 2765 if (keyword) 2766 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, color_attr_name, 2767 NULL, keyword); 2768 2769 if ((keyword = cupsGetOption("print-quality", num_options, 2770 options)) != NULL) 2771 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality", 2772 atoi(keyword)); 2773 else if ((choice = ppdFindMarkedChoice(ppd, "cupsPrintQuality")) != NULL) 2774 { 2775 if (!_cups_strcasecmp(choice->choice, "draft")) 2776 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality", 2777 IPP_QUALITY_DRAFT); 2778 else if (!_cups_strcasecmp(choice->choice, "normal")) 2779 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality", 2780 IPP_QUALITY_NORMAL); 2781 else if (!_cups_strcasecmp(choice->choice, "high")) 2782 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality", 2783 IPP_QUALITY_HIGH); 2784 } 2785 2786 if ((keyword = cupsGetOption("sides", num_options, options)) != NULL) 2787 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides", 2788 NULL, keyword); 2789 else if (pc->sides_option && 2790 (choice = ppdFindMarkedChoice(ppd, pc->sides_option)) != NULL) 2791 { 2792 if (!_cups_strcasecmp(choice->choice, pc->sides_1sided)) 2793 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides", 2794 NULL, "one-sided"); 2795 else if (!_cups_strcasecmp(choice->choice, pc->sides_2sided_long)) 2796 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides", 2797 NULL, "two-sided-long-edge"); 2798 if (!_cups_strcasecmp(choice->choice, pc->sides_2sided_short)) 2799 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides", 2800 NULL, "two-sided-short-edge"); 2801 } 2802 2803 if ((keyword = cupsGetOption("multiple-document-handling", 2804 num_options, options)) != NULL) 2805 { 2806 if (strstr(keyword, "uncollated")) 2807 keyword = "false"; 2808 else 2809 keyword = "true"; 2810 } 2811 else if ((keyword = cupsGetOption("collate", num_options, 2812 options)) == NULL) 2813 keyword = "true"; 2814 2815 if (format) 2816 { 2817 if (!_cups_strcasecmp(format, "image/gif") || 2818 !_cups_strcasecmp(format, "image/jp2") || 2819 !_cups_strcasecmp(format, "image/jpeg") || 2820 !_cups_strcasecmp(format, "image/png") || 2821 !_cups_strcasecmp(format, "image/tiff") || 2822 !_cups_strncasecmp(format, "image/x-", 8)) 2823 { 2824 /* 2825 * Collation makes no sense for single page image formats... 2826 */ 2827 2828 keyword = "false"; 2829 } 2830 else if (!_cups_strncasecmp(format, "image/", 6) || 2831 !_cups_strcasecmp(format, "application/vnd.cups-raster")) 2832 { 2833 /* 2834 * Multi-page image formats will have copies applied by the upstream 2835 * filters... 2836 */ 2837 2838 copies = 1; 2839 } 2840 } 2841 2842 if (doc_handling_sup) 2843 { 2844 if (!_cups_strcasecmp(keyword, "true")) 2845 collate_str = "separate-documents-collated-copies"; 2846 else 2847 collate_str = "separate-documents-uncollated-copies"; 2848 2849 for (i = 0; i < doc_handling_sup->num_values; i ++) 2850 if (!strcmp(doc_handling_sup->values[i].string.text, collate_str)) 2851 { 2852 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, 2853 "multiple-document-handling", NULL, collate_str); 2854 break; 2855 } 2856 2857 if (i >= doc_handling_sup->num_values) 2858 copies = 1; 2859 } 2860 2861 /* 2862 * Map finishing options... 2863 */ 2864 2865 num_finishings = _ppdCacheGetFinishingValues(pc, num_options, options, 2866 (int)(sizeof(finishings) / 2867 sizeof(finishings[0])), 2868 finishings); 2869 if (num_finishings > 0) 2870 ippAddIntegers(request, IPP_TAG_JOB, IPP_TAG_ENUM, "finishings", 2871 num_finishings, finishings); 2872 2873 /* 2874 * Map FaxOut options... 2875 */ 2876 2877 if ((keyword = cupsGetOption("phone", num_options, options)) != NULL) 2878 { 2879 ipp_t *destination; /* destination collection */ 2880 char phone[1024], /* Phone number string */ 2881 *ptr, /* Pointer into string */ 2882 tel_uri[1024]; /* tel: URI */ 2883 static const char * const allowed = "0123456789#*-+.()"; 2884 /* Allowed characters */ 2885 2886 destination = ippNew(); 2887 2888 /* 2889 * Unescape and filter out spaces and other characters that are not 2890 * allowed in a tel: URI. 2891 */ 2892 2893 _httpDecodeURI(phone, keyword, sizeof(phone)); 2894 for (ptr = phone; *ptr;) 2895 { 2896 if (!strchr(allowed, *ptr)) 2897 _cups_strcpy(ptr, ptr + 1); 2898 else 2899 ptr ++; 2900 } 2901 2902 httpAssembleURI(HTTP_URI_CODING_ALL, tel_uri, sizeof(tel_uri), "tel", NULL, NULL, 0, phone); 2903 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_URI, "destination-uri", NULL, tel_uri); 2904 2905 if ((keyword = cupsGetOption("faxPrefix", num_options, 2906 options)) != NULL && *keyword) 2907 { 2908 char predial[1024]; /* Pre-dial string */ 2909 2910 _httpDecodeURI(predial, keyword, sizeof(predial)); 2911 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_TEXT, "pre-dial-string", NULL, predial); 2912 } 2913 2914 ippAddCollection(request, IPP_TAG_JOB, "destination-uris", destination); 2915 ippDelete(destination); 2916 } 2917 } 2918 else 2919 { 2920 /* 2921 * When talking to another CUPS server, send all options... 2922 */ 2923 2924 fputs("DEBUG: Adding all operation/job attributes.\n", stderr); 2925 cupsEncodeOptions2(request, num_options, options, IPP_TAG_OPERATION); 2926 cupsEncodeOptions2(request, num_options, options, IPP_TAG_JOB); 2927 } 2928 2929 if (copies > 1 && (!pc || copies <= pc->max_copies)) 2930 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", copies); 2931 } 2932 2933 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, 2934 ippOpString(ippGetOperation(request)), ippGetRequestId(request)); 2935 for (group = IPP_TAG_ZERO, attr = ippFirstAttribute(request); 2936 attr; 2937 attr = ippNextAttribute(request)) 2938 { 2939 const char *name = ippGetName(attr); 2940 2941 if (!name) 2942 { 2943 group = IPP_TAG_ZERO; 2944 continue; 2945 } 2946 2947 if (group != ippGetGroupTag(attr)) 2948 { 2949 group = ippGetGroupTag(attr); 2950 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(group)); 2951 } 2952 2953 ippAttributeString(attr, buffer, sizeof(buffer)); 2954 fprintf(stderr, "DEBUG: %s %s%s %s\n", name, 2955 ippGetCount(attr) > 1 ? "1setOf " : "", 2956 ippTagString(ippGetValueTag(attr)), buffer); 2957 } 2958 2959 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(IPP_TAG_END)); 2960 2961 return (request); 2962} 2963 2964 2965/* 2966 * 'password_cb()' - Disable the password prompt for cupsDoFileRequest(). 2967 */ 2968 2969static const char * /* O - Password */ 2970password_cb(const char *prompt, /* I - Prompt (not used) */ 2971 http_t *http, /* I - Connection */ 2972 const char *method, /* I - Request method (not used) */ 2973 const char *resource, /* I - Resource path (not used) */ 2974 int *password_tries) /* I - Password tries */ 2975{ 2976 char def_username[HTTP_MAX_VALUE]; /* Default username */ 2977 2978 2979 fprintf(stderr, "DEBUG: password_cb(prompt=\"%s\", http=%p, method=\"%s\", " 2980 "resource=\"%s\", password_tries=%p(%d)), password=%p\n", 2981 prompt, http, method, resource, password_tries, *password_tries, 2982 password); 2983 2984 (void)prompt; 2985 (void)method; 2986 (void)resource; 2987 2988 /* 2989 * Remember that we need to authenticate... 2990 */ 2991 2992 auth_info_required = "username,password"; 2993 2994 if (httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "username", 2995 def_username)) 2996 { 2997 char quoted[HTTP_MAX_VALUE * 2 + 4]; 2998 /* Quoted string */ 2999 3000 fprintf(stderr, "ATTR: auth-info-default=%s,\n", 3001 quote_string(def_username, quoted, sizeof(quoted))); 3002 } 3003 3004 if (password && *password && *password_tries < 3) 3005 { 3006 (*password_tries) ++; 3007 3008 cupsSetUser(username); 3009 3010 return (password); 3011 } 3012 else 3013 { 3014 /* 3015 * Give up after 3 tries or if we don't have a password to begin with... 3016 */ 3017 3018 return (NULL); 3019 } 3020} 3021 3022 3023/* 3024 * 'quote_string()' - Quote a string value. 3025 */ 3026 3027static const char * /* O - Quoted string */ 3028quote_string(const char *s, /* I - String */ 3029 char *q, /* I - Quoted string buffer */ 3030 size_t qsize) /* I - Size of quoted string buffer */ 3031{ 3032 char *qptr, /* Pointer into string buffer */ 3033 *qend; /* End of string buffer */ 3034 3035 3036 qptr = q; 3037 qend = q + qsize - 5; 3038 3039 if (qend < q) 3040 { 3041 *q = '\0'; 3042 return (q); 3043 } 3044 3045 *qptr++ = '\''; 3046 *qptr++ = '\"'; 3047 3048 while (*s && qptr < qend) 3049 { 3050 if (*s == '\\' || *s == '\"' || *s == '\'') 3051 { 3052 if (qptr < (qend - 4)) 3053 { 3054 *qptr++ = '\\'; 3055 *qptr++ = '\\'; 3056 *qptr++ = '\\'; 3057 } 3058 else 3059 break; 3060 } 3061 3062 *qptr++ = *s++; 3063 } 3064 3065 *qptr++ = '\"'; 3066 *qptr++ = '\''; 3067 *qptr = '\0'; 3068 3069 return (q); 3070} 3071 3072 3073/* 3074 * 'report_attr()' - Report an IPP attribute value. 3075 */ 3076 3077static void 3078report_attr(ipp_attribute_t *attr) /* I - Attribute */ 3079{ 3080 int i; /* Looping var */ 3081 char value[1024], /* Value string */ 3082 *valptr; /* Pointer into value string */ 3083 const char *cached; /* Cached attribute */ 3084 3085 3086 /* 3087 * Convert the attribute values into quoted strings... 3088 */ 3089 3090 for (i = 0, valptr = value; 3091 i < attr->num_values && valptr < (value + sizeof(value) - 10); 3092 i ++) 3093 { 3094 if (i > 0) 3095 *valptr++ = ','; 3096 3097 switch (attr->value_tag) 3098 { 3099 case IPP_TAG_INTEGER : 3100 case IPP_TAG_ENUM : 3101 snprintf(valptr, sizeof(value) - (valptr - value), "%d", 3102 attr->values[i].integer); 3103 valptr += strlen(valptr); 3104 break; 3105 3106 case IPP_TAG_TEXT : 3107 case IPP_TAG_NAME : 3108 case IPP_TAG_KEYWORD : 3109 quote_string(attr->values[i].string.text, valptr, 3110 value + sizeof(value) - valptr); 3111 valptr += strlen(valptr); 3112 break; 3113 3114 default : 3115 /* 3116 * Unsupported value type... 3117 */ 3118 3119 return; 3120 } 3121 } 3122 3123 *valptr = '\0'; 3124 3125 _cupsMutexLock(&report_mutex); 3126 3127 if ((cached = cupsGetOption(attr->name, num_attr_cache, 3128 attr_cache)) == NULL || strcmp(cached, value)) 3129 { 3130 /* 3131 * Tell the scheduler about the new values... 3132 */ 3133 3134 num_attr_cache = cupsAddOption(attr->name, value, num_attr_cache, 3135 &attr_cache); 3136 fprintf(stderr, "ATTR: %s=%s\n", attr->name, value); 3137 } 3138 3139 _cupsMutexUnlock(&report_mutex); 3140} 3141 3142 3143/* 3144 * 'report_printer_state()' - Report the printer state. 3145 */ 3146 3147static void 3148report_printer_state(ipp_t *ipp) /* I - IPP response */ 3149{ 3150 ipp_attribute_t *pa, /* printer-alert */ 3151 *pam, /* printer-alert-message */ 3152 *psm, /* printer-state-message */ 3153 *reasons, /* printer-state-reasons */ 3154 *marker; /* marker-* attributes */ 3155 char value[1024], /* State/message string */ 3156 *valptr; /* Pointer into string */ 3157 static int ipp_supplies = -1; 3158 /* Report supply levels? */ 3159 3160 3161 /* 3162 * Report alerts and messages... 3163 */ 3164 3165 if ((pa = ippFindAttribute(ipp, "printer-alert", IPP_TAG_TEXT)) != NULL) 3166 report_attr(pa); 3167 3168 if ((pam = ippFindAttribute(ipp, "printer-alert-message", 3169 IPP_TAG_TEXT)) != NULL) 3170 report_attr(pam); 3171 3172 if ((psm = ippFindAttribute(ipp, "printer-state-message", 3173 IPP_TAG_TEXT)) != NULL) 3174 { 3175 char *ptr; /* Pointer into message */ 3176 3177 3178 strlcpy(value, "INFO: ", sizeof(value)); 3179 for (ptr = psm->values[0].string.text, valptr = value + 6; 3180 *ptr && valptr < (value + sizeof(value) - 6); 3181 ptr ++) 3182 { 3183 if (*ptr < ' ' && *ptr > 0 && *ptr != '\t') 3184 { 3185 /* 3186 * Substitute "<XX>" for the control character; sprintf is safe because 3187 * we always leave 6 chars free at the end... 3188 */ 3189 3190 sprintf(valptr, "<%02X>", *ptr); 3191 valptr += 4; 3192 } 3193 else 3194 *valptr++ = *ptr; 3195 } 3196 3197 *valptr++ = '\n'; 3198 *valptr = '\0'; 3199 3200 fputs(value, stderr); 3201 } 3202 3203 /* 3204 * Now report printer-state-reasons, filtering out some of the reasons we never 3205 * want to set... 3206 */ 3207 3208 if ((reasons = ippFindAttribute(ipp, "printer-state-reasons", 3209 IPP_TAG_KEYWORD)) == NULL) 3210 return; 3211 3212 update_reasons(reasons, NULL); 3213 3214 /* 3215 * Relay the current marker-* attribute values... 3216 */ 3217 3218 if (ipp_supplies < 0) 3219 { 3220 ppd_file_t *ppd; /* PPD file */ 3221 ppd_attr_t *ppdattr; /* Attribute in PPD file */ 3222 3223 if ((ppd = ppdOpenFile(getenv("PPD"))) != NULL && 3224 (ppdattr = ppdFindAttr(ppd, "cupsIPPSupplies", NULL)) != NULL && 3225 ppdattr->value && _cups_strcasecmp(ppdattr->value, "true")) 3226 ipp_supplies = 0; 3227 else 3228 ipp_supplies = 1; 3229 3230 ppdClose(ppd); 3231 } 3232 3233 if (ipp_supplies > 0) 3234 { 3235 if ((marker = ippFindAttribute(ipp, "marker-colors", IPP_TAG_NAME)) != NULL) 3236 report_attr(marker); 3237 if ((marker = ippFindAttribute(ipp, "marker-high-levels", 3238 IPP_TAG_INTEGER)) != NULL) 3239 report_attr(marker); 3240 if ((marker = ippFindAttribute(ipp, "marker-levels", 3241 IPP_TAG_INTEGER)) != NULL) 3242 report_attr(marker); 3243 if ((marker = ippFindAttribute(ipp, "marker-low-levels", 3244 IPP_TAG_INTEGER)) != NULL) 3245 report_attr(marker); 3246 if ((marker = ippFindAttribute(ipp, "marker-message", 3247 IPP_TAG_TEXT)) != NULL) 3248 report_attr(marker); 3249 if ((marker = ippFindAttribute(ipp, "marker-names", IPP_TAG_NAME)) != NULL) 3250 report_attr(marker); 3251 if ((marker = ippFindAttribute(ipp, "marker-types", 3252 IPP_TAG_KEYWORD)) != NULL) 3253 report_attr(marker); 3254 } 3255} 3256 3257 3258#if defined(HAVE_GSSAPI) && defined(HAVE_XPC) 3259/* 3260 * 'run_as_user()' - Run the IPP backend as the printing user. 3261 * 3262 * This function uses an XPC-based user agent to run the backend as the printing 3263 * user. We need to do this in order to have access to the user's Kerberos 3264 * credentials. 3265 */ 3266 3267static int /* O - Exit status */ 3268run_as_user(char *argv[], /* I - Command-line arguments */ 3269 uid_t uid, /* I - User ID */ 3270 const char *device_uri, /* I - Device URI */ 3271 int fd) /* I - File to print */ 3272{ 3273 const char *auth_negotiate;/* AUTH_NEGOTIATE env var */ 3274 xpc_connection_t conn; /* Connection to XPC service */ 3275 xpc_object_t request; /* Request message dictionary */ 3276 __block xpc_object_t response; /* Response message dictionary */ 3277 dispatch_semaphore_t sem; /* Semaphore for waiting for response */ 3278 int status = CUPS_BACKEND_FAILED; 3279 /* Status of request */ 3280 3281 3282 fprintf(stderr, "DEBUG: Running IPP backend as UID %d.\n", (int)uid); 3283 3284 /* 3285 * Connect to the user agent for the specified UID... 3286 */ 3287 3288 conn = xpc_connection_create_mach_service(kPMPrintUIToolAgent, 3289 dispatch_get_global_queue(0, 0), 0); 3290 if (!conn) 3291 { 3292 _cupsLangPrintFilter(stderr, "ERROR", 3293 _("Unable to start backend process.")); 3294 fputs("DEBUG: Unable to create connection to agent.\n", stderr); 3295 goto cleanup; 3296 } 3297 3298 xpc_connection_set_event_handler(conn, 3299 ^(xpc_object_t event) 3300 { 3301 xpc_type_t messageType = xpc_get_type(event); 3302 3303 if (messageType == XPC_TYPE_ERROR) 3304 { 3305 if (event == XPC_ERROR_CONNECTION_INTERRUPTED) 3306 fprintf(stderr, "DEBUG: Interrupted connection to service %s.\n", 3307 xpc_connection_get_name(conn)); 3308 else if (event == XPC_ERROR_CONNECTION_INVALID) 3309 fprintf(stderr, "DEBUG: Connection invalid for service %s.\n", 3310 xpc_connection_get_name(conn)); 3311 else 3312 fprintf(stderr, "DEBUG: Unxpected error for service %s: %s\n", 3313 xpc_connection_get_name(conn), 3314 xpc_dictionary_get_string(event, XPC_ERROR_KEY_DESCRIPTION)); 3315 } 3316 }); 3317 xpc_connection_set_target_uid(conn, uid); 3318 xpc_connection_resume(conn); 3319 3320 /* 3321 * Try starting the backend... 3322 */ 3323 3324 request = xpc_dictionary_create(NULL, NULL, 0); 3325 xpc_dictionary_set_int64(request, "command", kPMStartJob); 3326 xpc_dictionary_set_string(request, "device-uri", device_uri); 3327 xpc_dictionary_set_string(request, "job-id", argv[1]); 3328 xpc_dictionary_set_string(request, "user", argv[2]); 3329 xpc_dictionary_set_string(request, "title", argv[3]); 3330 xpc_dictionary_set_string(request, "copies", argv[4]); 3331 xpc_dictionary_set_string(request, "options", argv[5]); 3332 xpc_dictionary_set_string(request, "auth-info-required", 3333 getenv("AUTH_INFO_REQUIRED")); 3334 if ((auth_negotiate = getenv("AUTH_NEGOTIATE")) != NULL) 3335 xpc_dictionary_set_string(request, "auth-negotiate", auth_negotiate); 3336 xpc_dictionary_set_fd(request, "stdin", fd); 3337 xpc_dictionary_set_fd(request, "stderr", 2); 3338 xpc_dictionary_set_fd(request, "side-channel", CUPS_SC_FD); 3339 3340 sem = dispatch_semaphore_create(0); 3341 response = NULL; 3342 3343 xpc_connection_send_message_with_reply(conn, request, 3344 dispatch_get_global_queue(0,0), 3345 ^(xpc_object_t reply) 3346 { 3347 /* Save the response and wake up */ 3348 if (xpc_get_type(reply) 3349 == XPC_TYPE_DICTIONARY) 3350 response = xpc_retain(reply); 3351 3352 dispatch_semaphore_signal(sem); 3353 }); 3354 3355 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER); 3356 xpc_release(request); 3357 dispatch_release(sem); 3358 3359 if (response) 3360 { 3361 child_pid = xpc_dictionary_get_int64(response, "child-pid"); 3362 3363 xpc_release(response); 3364 3365 if (child_pid) 3366 fprintf(stderr, "DEBUG: Child PID=%d.\n", child_pid); 3367 else 3368 { 3369 _cupsLangPrintFilter(stderr, "ERROR", 3370 _("Unable to start backend process.")); 3371 fputs("DEBUG: No child PID.\n", stderr); 3372 goto cleanup; 3373 } 3374 } 3375 else 3376 { 3377 _cupsLangPrintFilter(stderr, "ERROR", 3378 _("Unable to start backend process.")); 3379 fputs("DEBUG: No reply from agent.\n", stderr); 3380 goto cleanup; 3381 } 3382 3383 /* 3384 * Then wait for the backend to finish... 3385 */ 3386 3387 request = xpc_dictionary_create(NULL, NULL, 0); 3388 xpc_dictionary_set_int64(request, "command", kPMWaitForJob); 3389 xpc_dictionary_set_fd(request, "stderr", 2); 3390 3391 sem = dispatch_semaphore_create(0); 3392 response = NULL; 3393 3394 xpc_connection_send_message_with_reply(conn, request, 3395 dispatch_get_global_queue(0,0), 3396 ^(xpc_object_t reply) 3397 { 3398 /* Save the response and wake up */ 3399 if (xpc_get_type(reply) 3400 == XPC_TYPE_DICTIONARY) 3401 response = xpc_retain(reply); 3402 3403 dispatch_semaphore_signal(sem); 3404 }); 3405 3406 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER); 3407 xpc_release(request); 3408 dispatch_release(sem); 3409 3410 if (response) 3411 { 3412 status = xpc_dictionary_get_int64(response, "status"); 3413 3414 if (status == SIGTERM || status == SIGKILL || status == SIGPIPE) 3415 { 3416 fprintf(stderr, "DEBUG: Child terminated on signal %d.\n", status); 3417 status = CUPS_BACKEND_FAILED; 3418 } 3419 else if (WIFSIGNALED(status)) 3420 { 3421 fprintf(stderr, "DEBUG: Child crashed on signal %d.\n", status); 3422 status = CUPS_BACKEND_STOP; 3423 } 3424 else if (WIFEXITED(status)) 3425 { 3426 status = WEXITSTATUS(status); 3427 fprintf(stderr, "DEBUG: Child exited with status %d.\n", status); 3428 } 3429 3430 xpc_release(response); 3431 } 3432 else 3433 _cupsLangPrintFilter(stderr, "ERROR", 3434 _("Unable to get backend exit status.")); 3435 3436 cleanup: 3437 3438 if (conn) 3439 { 3440 xpc_connection_cancel(conn); 3441 xpc_release(conn); 3442 } 3443 3444 return (status); 3445} 3446#endif /* HAVE_GSSAPI && HAVE_XPC */ 3447 3448 3449/* 3450 * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend. 3451 */ 3452 3453static void 3454sigterm_handler(int sig) /* I - Signal */ 3455{ 3456 (void)sig; /* remove compiler warnings... */ 3457 3458 write(2, "DEBUG: Got SIGTERM.\n", 20); 3459 3460#if defined(HAVE_GSSAPI) && defined(HAVE_XPC) 3461 if (child_pid) 3462 { 3463 kill(child_pid, sig); 3464 child_pid = 0; 3465 } 3466#endif /* HAVE_GSSAPI && HAVE_XPC */ 3467 3468 if (!job_canceled) 3469 { 3470 /* 3471 * Flag that the job should be canceled... 3472 */ 3473 3474 write(2, "DEBUG: job_canceled = 1.\n", 25); 3475 3476 job_canceled = 1; 3477 return; 3478 } 3479 3480 /* 3481 * The scheduler already tried to cancel us once, now just terminate 3482 * after removing our temp file! 3483 */ 3484 3485 if (tmpfilename[0]) 3486 unlink(tmpfilename); 3487 3488 exit(1); 3489} 3490 3491 3492/* 3493 * 'timeout_cb()' - Handle HTTP timeouts. 3494 */ 3495 3496static int /* O - 1 to continue, 0 to cancel */ 3497timeout_cb(http_t *http, /* I - Connection to server (unused) */ 3498 void *user_data) /* I - User data (unused) */ 3499{ 3500 (void)http; 3501 (void)user_data; 3502 3503 return (!job_canceled); 3504} 3505 3506 3507/* 3508 * 'update_reasons()' - Update the printer-state-reasons values. 3509 */ 3510 3511static void 3512update_reasons(ipp_attribute_t *attr, /* I - printer-state-reasons or NULL */ 3513 const char *s) /* I - STATE: string or NULL */ 3514{ 3515 char op; /* Add (+), remove (-), replace (\0) */ 3516 cups_array_t *new_reasons; /* New reasons array */ 3517 char *reason, /* Current reason */ 3518 add[2048], /* Reasons added string */ 3519 *addptr, /* Pointer into add string */ 3520 rem[2048], /* Reasons removed string */ 3521 *remptr; /* Pointer into remove string */ 3522 const char *addprefix, /* Current add string prefix */ 3523 *remprefix; /* Current remove string prefix */ 3524 3525 3526 fprintf(stderr, "DEBUG: update_reasons(attr=%d(%s%s), s=\"%s\")\n", 3527 attr ? attr->num_values : 0, attr ? attr->values[0].string.text : "", 3528 attr && attr->num_values > 1 ? ",..." : "", s ? s : "(null)"); 3529 3530 /* 3531 * Create an array of new reason keyword strings... 3532 */ 3533 3534 if (attr) 3535 { 3536 int i; /* Looping var */ 3537 3538 new_reasons = cupsArrayNew((cups_array_func_t)strcmp, NULL); 3539 op = '\0'; 3540 3541 for (i = 0; i < attr->num_values; i ++) 3542 { 3543 reason = attr->values[i].string.text; 3544 3545 if (strcmp(reason, "none") && 3546 strcmp(reason, "none-report") && 3547 strcmp(reason, "paused") && 3548 strncmp(reason, "spool-area-full", 15) && 3549 strcmp(reason, "com.apple.print.recoverable-warning") && 3550 strncmp(reason, "cups-", 5)) 3551 cupsArrayAdd(new_reasons, reason); 3552 } 3553 } 3554 else if (s) 3555 { 3556 if (*s == '+' || *s == '-') 3557 op = *s++; 3558 else 3559 op = '\0'; 3560 3561 new_reasons = _cupsArrayNewStrings(s, ','); 3562 } 3563 else 3564 return; 3565 3566 /* 3567 * Compute the changes... 3568 */ 3569 3570 add[0] = '\0'; 3571 addprefix = "STATE: +"; 3572 addptr = add; 3573 rem[0] = '\0'; 3574 remprefix = "STATE: -"; 3575 remptr = rem; 3576 3577 fprintf(stderr, "DEBUG2: op='%c', new_reasons=%d, state_reasons=%d\n", 3578 op ? op : ' ', cupsArrayCount(new_reasons), 3579 cupsArrayCount(state_reasons)); 3580 3581 _cupsMutexLock(&report_mutex); 3582 3583 if (op == '+') 3584 { 3585 /* 3586 * Add reasons... 3587 */ 3588 3589 for (reason = (char *)cupsArrayFirst(new_reasons); 3590 reason; 3591 reason = (char *)cupsArrayNext(new_reasons)) 3592 { 3593 if (!cupsArrayFind(state_reasons, reason)) 3594 { 3595 if (!strncmp(reason, "cups-remote-", 12)) 3596 { 3597 /* 3598 * If we are setting cups-remote-xxx, remove all other cups-remote-xxx 3599 * keywords... 3600 */ 3601 3602 char *temp; /* Current reason in state_reasons */ 3603 3604 cupsArraySave(state_reasons); 3605 3606 for (temp = (char *)cupsArrayFirst(state_reasons); 3607 temp; 3608 temp = (char *)cupsArrayNext(state_reasons)) 3609 if (!strncmp(temp, "cups-remote-", 12)) 3610 { 3611 snprintf(remptr, sizeof(rem) - (remptr - rem), "%s%s", remprefix, 3612 temp); 3613 remptr += strlen(remptr); 3614 remprefix = ","; 3615 3616 cupsArrayRemove(state_reasons, temp); 3617 break; 3618 } 3619 3620 cupsArrayRestore(state_reasons); 3621 } 3622 3623 cupsArrayAdd(state_reasons, reason); 3624 3625 snprintf(addptr, sizeof(add) - (addptr - add), "%s%s", addprefix, 3626 reason); 3627 addptr += strlen(addptr); 3628 addprefix = ","; 3629 } 3630 } 3631 } 3632 else if (op == '-') 3633 { 3634 /* 3635 * Remove reasons... 3636 */ 3637 3638 for (reason = (char *)cupsArrayFirst(new_reasons); 3639 reason; 3640 reason = (char *)cupsArrayNext(new_reasons)) 3641 { 3642 if (cupsArrayFind(state_reasons, reason)) 3643 { 3644 snprintf(remptr, sizeof(rem) - (remptr - rem), "%s%s", remprefix, 3645 reason); 3646 remptr += strlen(remptr); 3647 remprefix = ","; 3648 3649 cupsArrayRemove(state_reasons, reason); 3650 } 3651 } 3652 } 3653 else 3654 { 3655 /* 3656 * Replace reasons... 3657 */ 3658 3659 for (reason = (char *)cupsArrayFirst(state_reasons); 3660 reason; 3661 reason = (char *)cupsArrayNext(state_reasons)) 3662 { 3663 if (strncmp(reason, "cups-", 5) && !cupsArrayFind(new_reasons, reason)) 3664 { 3665 snprintf(remptr, sizeof(rem) - (remptr - rem), "%s%s", remprefix, 3666 reason); 3667 remptr += strlen(remptr); 3668 remprefix = ","; 3669 3670 cupsArrayRemove(state_reasons, reason); 3671 } 3672 } 3673 3674 for (reason = (char *)cupsArrayFirst(new_reasons); 3675 reason; 3676 reason = (char *)cupsArrayNext(new_reasons)) 3677 { 3678 if (!cupsArrayFind(state_reasons, reason)) 3679 { 3680 cupsArrayAdd(state_reasons, reason); 3681 3682 snprintf(addptr, sizeof(add) - (addptr - add), "%s%s", addprefix, 3683 reason); 3684 addptr += strlen(addptr); 3685 addprefix = ","; 3686 } 3687 } 3688 } 3689 3690 _cupsMutexUnlock(&report_mutex); 3691 3692 /* 3693 * Report changes and return... 3694 */ 3695 3696 if (add[0] && rem[0]) 3697 fprintf(stderr, "%s\n%s\n", add, rem); 3698 else if (add[0]) 3699 fprintf(stderr, "%s\n", add); 3700 else if (rem[0]) 3701 fprintf(stderr, "%s\n", rem); 3702} 3703 3704/* 3705 * End of "$Id: ipp.c 11780 2014-03-28 20:51:12Z msweet $". 3706 */ 3707