1/* 2 * "$Id: ipp.c 12078 2014-07-31 11:45:57Z msweet $" 3 * 4 * IPP backend for CUPS. 5 * 6 * Copyright 2007-2014 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 pid_t 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? */ 96 uri_credentials = 0; 97 /* Credentials supplied in URI? */ 98static char username[256] = "", 99 /* Username for device URI */ 100 *password = NULL; 101 /* Password for device URI */ 102static const char * const pattrs[] = /* Printer attributes we want */ 103{ 104#ifdef HAVE_LIBZ 105 "compression-supported", 106#endif /* HAVE_LIBZ */ 107 "copies-supported", 108 "cups-version", 109 "document-format-supported", 110 "marker-colors", 111 "marker-high-levels", 112 "marker-levels", 113 "marker-low-levels", 114 "marker-message", 115 "marker-names", 116 "marker-types", 117 "media-col-supported", 118 "multiple-document-handling-supported", 119 "operations-supported", 120 "print-color-mode-supported", 121 "printer-alert", 122 "printer-alert-description", 123 "printer-is-accepting-jobs", 124 "printer-state", 125 "printer-state-message", 126 "printer-state-reasons" 127}; 128static const char * const remote_job_states[] = 129{ /* Remote job state keywords */ 130 "+cups-remote-pending", 131 "+cups-remote-pending-held", 132 "+cups-remote-processing", 133 "+cups-remote-stopped", 134 "+cups-remote-canceled", 135 "+cups-remote-aborted", 136 "+cups-remote-completed" 137}; 138static _cups_mutex_t report_mutex = _CUPS_MUTEX_INITIALIZER; 139 /* Mutex to control access */ 140static int num_attr_cache = 0; 141 /* Number of cached attributes */ 142static cups_option_t *attr_cache = NULL; 143 /* Cached attributes */ 144static cups_array_t *state_reasons; /* Array of printe-state-reasons keywords */ 145static char tmpfilename[1024] = ""; 146 /* Temporary spool file name */ 147 148 149/* 150 * Local functions... 151 */ 152 153static void cancel_job(http_t *http, const char *uri, int id, 154 const char *resource, const char *user, 155 int version); 156static ipp_pstate_t check_printer_state(http_t *http, const char *uri, 157 const char *resource, 158 const char *user, int version); 159static void *monitor_printer(_cups_monitor_t *monitor); 160static ipp_t *new_request(ipp_op_t op, int version, const char *uri, 161 const char *user, const char *title, 162 int num_options, cups_option_t *options, 163 const char *compression, int copies, 164 const char *format, _ppd_cache_t *pc, 165 ppd_file_t *ppd, 166 ipp_attribute_t *media_col_sup, 167 ipp_attribute_t *doc_handling_sup, 168 ipp_attribute_t *print_color_mode_sup); 169static const char *password_cb(const char *prompt, http_t *http, 170 const char *method, const char *resource, 171 int *user_data); 172static const char *quote_string(const char *s, char *q, size_t qsize); 173static void report_attr(ipp_attribute_t *attr); 174static void report_printer_state(ipp_t *ipp); 175#if defined(HAVE_GSSAPI) && defined(HAVE_XPC) 176static int run_as_user(char *argv[], uid_t uid, 177 const char *device_uri, int fd); 178#endif /* HAVE_GSSAPI && HAVE_XPC */ 179static void sigterm_handler(int sig); 180static int timeout_cb(http_t *http, void *user_data); 181static void update_reasons(ipp_attribute_t *attr, const char *s); 182 183 184/* 185 * 'main()' - Send a file to the printer or server. 186 * 187 * Usage: 188 * 189 * printer-uri job-id user title copies options [file] 190 */ 191 192int /* O - Exit status */ 193main(int argc, /* I - Number of command-line args */ 194 char *argv[]) /* I - Command-line arguments */ 195{ 196 int i; /* Looping var */ 197 int send_options; /* Send job options? */ 198 int num_options; /* Number of printer options */ 199 cups_option_t *options; /* Printer options */ 200 const char *device_uri; /* Device URI */ 201 char scheme[255], /* Scheme in URI */ 202 hostname[1024], /* Hostname */ 203 resource[1024], /* Resource info (printer name) */ 204 addrname[256], /* Address name */ 205 *optptr, /* Pointer to URI options */ 206 *name, /* Name of option */ 207 *value, /* Value of option */ 208 sep; /* Separator character */ 209 int password_tries = 0; /* Password tries */ 210 http_addrlist_t *addrlist; /* Address of printer */ 211 int snmp_enabled = 1; /* Is SNMP enabled? */ 212 int snmp_fd, /* SNMP socket */ 213 start_count, /* Page count via SNMP at start */ 214 page_count, /* Page count via SNMP */ 215 have_supplies; /* Printer supports supply levels? */ 216 int num_files; /* Number of files to print */ 217 char **files, /* Files to print */ 218 *compatfile = NULL; /* Compatibility filename */ 219 off_t compatsize = 0; /* Size of compatibility file */ 220 int port; /* Port number (not used) */ 221 char portname[255]; /* Port name */ 222 char uri[HTTP_MAX_URI]; /* Updated URI without user/pass */ 223 char print_job_name[1024]; /* Update job-name for Print-Job */ 224 http_status_t http_status; /* Status of HTTP request */ 225 ipp_status_t ipp_status; /* Status of IPP request */ 226 http_t *http; /* HTTP connection */ 227 ipp_t *request, /* IPP request */ 228 *response, /* IPP response */ 229 *supported; /* get-printer-attributes response */ 230 time_t start_time; /* Time of first connect */ 231 int contimeout; /* Connection timeout */ 232 int delay, /* Delay for retries */ 233 prev_delay; /* Previous delay */ 234 const char *compression; /* Compression mode */ 235 int waitjob, /* Wait for job complete? */ 236 waitjob_tries = 0, /* Number of times we've waited */ 237 waitprinter; /* Wait for printer ready? */ 238 _cups_monitor_t monitor; /* Monitoring data */ 239 ipp_attribute_t *job_id_attr; /* job-id attribute */ 240 int job_id; /* job-id value */ 241 ipp_attribute_t *job_sheets; /* job-media-sheets-completed */ 242 ipp_attribute_t *job_state; /* job-state */ 243#ifdef HAVE_LIBZ 244 ipp_attribute_t *compression_sup; /* compression-supported */ 245#endif /* HAVE_LIBZ */ 246 ipp_attribute_t *copies_sup; /* copies-supported */ 247 ipp_attribute_t *cups_version; /* cups-version */ 248 ipp_attribute_t *format_sup; /* document-format-supported */ 249 ipp_attribute_t *job_auth; /* job-authorization-uri */ 250 ipp_attribute_t *media_col_sup; /* media-col-supported */ 251 ipp_attribute_t *operations_sup; /* operations-supported */ 252 ipp_attribute_t *doc_handling_sup; /* multiple-document-handling-supported */ 253 ipp_attribute_t *printer_state; /* printer-state attribute */ 254 ipp_attribute_t *printer_accepting; /* printer-is-accepting-jobs */ 255 ipp_attribute_t *print_color_mode_sup;/* Does printer support print-color-mode? */ 256 int create_job = 0, /* Does printer support Create-Job? */ 257 get_job_attrs = 0, /* Does printer support Get-Job-Attributes? */ 258 send_document = 0, /* Does printer support Send-Document? */ 259 validate_job = 0, /* Does printer support Validate-Job? */ 260 copies, /* Number of copies for job */ 261 copies_remaining; /* Number of copies remaining */ 262 const char *content_type, /* CONTENT_TYPE environment variable */ 263 *final_content_type, /* FINAL_CONTENT_TYPE environment var */ 264 *document_format; /* document-format value */ 265 int fd; /* File descriptor */ 266 off_t bytes = 0; /* Bytes copied */ 267 char buffer[16384]; /* Copy buffer */ 268#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) 269 struct sigaction action; /* Actions for POSIX signals */ 270#endif /* HAVE_SIGACTION && !HAVE_SIGSET */ 271 int version; /* IPP version */ 272 ppd_file_t *ppd = NULL; /* PPD file */ 273 _ppd_cache_t *pc = NULL; /* PPD cache and mapping data */ 274 fd_set input; /* Input set for select() */ 275 276 277 /* 278 * Make sure status messages are not buffered... 279 */ 280 281 setbuf(stderr, NULL); 282 283 /* 284 * Ignore SIGPIPE and catch SIGTERM signals... 285 */ 286 287#ifdef HAVE_SIGSET 288 sigset(SIGPIPE, SIG_IGN); 289 sigset(SIGTERM, sigterm_handler); 290#elif defined(HAVE_SIGACTION) 291 memset(&action, 0, sizeof(action)); 292 action.sa_handler = SIG_IGN; 293 sigaction(SIGPIPE, &action, NULL); 294 295 sigemptyset(&action.sa_mask); 296 sigaddset(&action.sa_mask, SIGTERM); 297 action.sa_handler = sigterm_handler; 298 sigaction(SIGTERM, &action, NULL); 299#else 300 signal(SIGPIPE, SIG_IGN); 301 signal(SIGTERM, sigterm_handler); 302#endif /* HAVE_SIGSET */ 303 304 /* 305 * Check command-line... 306 */ 307 308 if (argc == 1) 309 { 310 char *s; 311 312 if ((s = strrchr(argv[0], '/')) != NULL) 313 s ++; 314 else 315 s = argv[0]; 316 317 printf("network %s \"Unknown\" \"%s (%s)\"\n", 318 s, _cupsLangString(cupsLangDefault(), 319 _("Internet Printing Protocol")), s); 320 return (CUPS_BACKEND_OK); 321 } 322 else if (argc < 6) 323 { 324 _cupsLangPrintf(stderr, 325 _("Usage: %s job-id user title copies options [file]"), 326 argv[0]); 327 return (CUPS_BACKEND_STOP); 328 } 329 330 /* 331 * Get the device URI... 332 */ 333 334 while ((device_uri = cupsBackendDeviceURI(argv)) == NULL) 335 { 336 _cupsLangPrintFilter(stderr, "INFO", _("Unable to locate printer.")); 337 sleep(10); 338 339 if (getenv("CLASS") != NULL) 340 return (CUPS_BACKEND_FAILED); 341 } 342 343 if ((auth_info_required = getenv("AUTH_INFO_REQUIRED")) == NULL) 344 auth_info_required = "none"; 345 346 state_reasons = _cupsArrayNewStrings(getenv("PRINTER_STATE_REASONS"), ','); 347 348#ifdef HAVE_GSSAPI 349 /* 350 * For Kerberos, become the printing user (if we can) to get the credentials 351 * that way. 352 */ 353 354 if (!getuid() && (value = getenv("AUTH_UID")) != NULL && 355 !getenv("AUTH_PASSWORD")) 356 { 357 uid_t uid = (uid_t)atoi(value); 358 /* User ID */ 359 360# ifdef HAVE_XPC 361 if (uid > 0) 362 { 363 if (argc == 6) 364 return (run_as_user(argv, uid, device_uri, 0)); 365 else 366 { 367 int status = 0; /* Exit status */ 368 369 for (i = 6; i < argc && !status && !job_canceled; i ++) 370 { 371 if ((fd = open(argv[i], O_RDONLY)) >= 0) 372 { 373 status = run_as_user(argv, uid, device_uri, fd); 374 close(fd); 375 } 376 else 377 { 378 _cupsLangPrintError("ERROR", _("Unable to open print file")); 379 status = CUPS_BACKEND_FAILED; 380 } 381 } 382 383 return (status); 384 } 385 } 386 387# else /* No XPC, just try to run as the user ID */ 388 if (uid > 0) 389 seteuid(uid); 390# endif /* HAVE_XPC */ 391 } 392#endif /* HAVE_GSSAPI */ 393 394 /* 395 * Get the (final) content type... 396 */ 397 398 if ((content_type = getenv("CONTENT_TYPE")) == NULL) 399 content_type = "application/octet-stream"; 400 401 if ((final_content_type = getenv("FINAL_CONTENT_TYPE")) == NULL) 402 { 403 final_content_type = content_type; 404 405 if (!strncmp(final_content_type, "printer/", 8)) 406 final_content_type = "application/vnd.cups-raw"; 407 } 408 409 /* 410 * Extract the hostname and printer name from the URI... 411 */ 412 413 httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme), 414 username, sizeof(username), hostname, sizeof(hostname), &port, 415 resource, sizeof(resource)); 416 417 if (!port) 418 port = IPP_PORT; /* Default to port 631 */ 419 420 if (!strcmp(scheme, "https") || !strcmp(scheme, "ipps")) 421 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS); 422 else 423 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED); 424 425 /* 426 * See if there are any options... 427 */ 428 429 compression = NULL; 430 version = 20; 431 waitjob = 1; 432 waitprinter = 1; 433 contimeout = 7 * 24 * 60 * 60; 434 435 if ((optptr = strchr(resource, '?')) != NULL) 436 { 437 /* 438 * Yup, terminate the device name string and move to the first 439 * character of the optptr... 440 */ 441 442 *optptr++ = '\0'; 443 444 /* 445 * Then parse the optptr... 446 */ 447 448 while (*optptr) 449 { 450 /* 451 * Get the name... 452 */ 453 454 name = optptr; 455 456 while (*optptr && *optptr != '=' && *optptr != '+' && *optptr != '&') 457 optptr ++; 458 459 if ((sep = *optptr) != '\0') 460 *optptr++ = '\0'; 461 462 if (sep == '=') 463 { 464 /* 465 * Get the value... 466 */ 467 468 value = optptr; 469 470 while (*optptr && *optptr != '+' && *optptr != '&') 471 optptr ++; 472 473 if (*optptr) 474 *optptr++ = '\0'; 475 } 476 else 477 value = (char *)""; 478 479 /* 480 * Process the option... 481 */ 482 483 if (!_cups_strcasecmp(name, "waitjob")) 484 { 485 /* 486 * Wait for job completion? 487 */ 488 489 waitjob = !_cups_strcasecmp(value, "on") || 490 !_cups_strcasecmp(value, "yes") || 491 !_cups_strcasecmp(value, "true"); 492 } 493 else if (!_cups_strcasecmp(name, "waitprinter")) 494 { 495 /* 496 * Wait for printer idle? 497 */ 498 499 waitprinter = !_cups_strcasecmp(value, "on") || 500 !_cups_strcasecmp(value, "yes") || 501 !_cups_strcasecmp(value, "true"); 502 } 503 else if (!_cups_strcasecmp(name, "encryption")) 504 { 505 /* 506 * Enable/disable encryption? 507 */ 508 509 if (!_cups_strcasecmp(value, "always")) 510 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS); 511 else if (!_cups_strcasecmp(value, "required")) 512 cupsSetEncryption(HTTP_ENCRYPT_REQUIRED); 513 else if (!_cups_strcasecmp(value, "never")) 514 cupsSetEncryption(HTTP_ENCRYPT_NEVER); 515 else if (!_cups_strcasecmp(value, "ifrequested")) 516 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED); 517 else 518 { 519 _cupsLangPrintFilter(stderr, "ERROR", 520 _("Unknown encryption option value: \"%s\"."), 521 value); 522 } 523 } 524 else if (!_cups_strcasecmp(name, "snmp")) 525 { 526 /* 527 * Enable/disable SNMP stuff... 528 */ 529 530 snmp_enabled = !value[0] || !_cups_strcasecmp(value, "on") || 531 !_cups_strcasecmp(value, "yes") || 532 !_cups_strcasecmp(value, "true"); 533 } 534 else if (!_cups_strcasecmp(name, "version")) 535 { 536 if (!strcmp(value, "1.0")) 537 version = 10; 538 else if (!strcmp(value, "1.1")) 539 version = 11; 540 else if (!strcmp(value, "2.0")) 541 version = 20; 542 else if (!strcmp(value, "2.1")) 543 version = 21; 544 else if (!strcmp(value, "2.2")) 545 version = 22; 546 else 547 { 548 _cupsLangPrintFilter(stderr, "ERROR", 549 _("Unknown version option value: \"%s\"."), 550 value); 551 } 552 } 553#ifdef HAVE_LIBZ 554 else if (!_cups_strcasecmp(name, "compression")) 555 { 556 if (!_cups_strcasecmp(value, "true") || !_cups_strcasecmp(value, "yes") || 557 !_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "gzip")) 558 compression = "gzip"; 559 else if (!_cups_strcasecmp(value, "deflate")) 560 compression = "deflate"; 561 else if (!_cups_strcasecmp(value, "false") || 562 !_cups_strcasecmp(value, "no") || 563 !_cups_strcasecmp(value, "off") || 564 !_cups_strcasecmp(value, "none")) 565 compression = "none"; 566 } 567#endif /* HAVE_LIBZ */ 568 else if (!_cups_strcasecmp(name, "contimeout")) 569 { 570 /* 571 * Set the connection timeout... 572 */ 573 574 if (atoi(value) > 0) 575 contimeout = atoi(value); 576 } 577 else 578 { 579 /* 580 * Unknown option... 581 */ 582 583 _cupsLangPrintFilter(stderr, "ERROR", 584 _("Unknown option \"%s\" with value \"%s\"."), 585 name, value); 586 } 587 } 588 } 589 590 /* 591 * If we have 7 arguments, print the file named on the command-line. 592 * Otherwise, copy stdin to a temporary file and print the temporary 593 * file. 594 */ 595 596 if (argc == 6) 597 { 598 num_files = 0; 599 files = NULL; 600 send_options = !_cups_strcasecmp(final_content_type, "application/pdf") || 601 !_cups_strcasecmp(final_content_type, "application/vnd.cups-pdf") || 602 !_cups_strncasecmp(final_content_type, "image/", 6); 603 604 fputs("DEBUG: Sending stdin for job...\n", stderr); 605 } 606 else 607 { 608 /* 609 * Point to the files on the command-line... 610 */ 611 612 num_files = argc - 6; 613 files = argv + 6; 614 send_options = 1; 615 616 fprintf(stderr, "DEBUG: %d files to send in job...\n", num_files); 617 } 618 619 /* 620 * Set the authentication info, if any... 621 */ 622 623 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries); 624 625 if (username[0]) 626 { 627 /* 628 * Use authentication information in the device URI... 629 */ 630 631 if ((password = strchr(username, ':')) != NULL) 632 *password++ = '\0'; 633 634 cupsSetUser(username); 635 uri_credentials = 1; 636 } 637 else 638 { 639 /* 640 * Try loading authentication information from the environment. 641 */ 642 643 const char *ptr = getenv("AUTH_USERNAME"); 644 645 if (ptr) 646 { 647 strlcpy(username, ptr, sizeof(username)); 648 cupsSetUser(ptr); 649 } 650 651 password = getenv("AUTH_PASSWORD"); 652 } 653 654 /* 655 * Try finding the remote server... 656 */ 657 658 start_time = time(NULL); 659 660 sprintf(portname, "%d", port); 661 662 update_reasons(NULL, "+connecting-to-device"); 663 fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname); 664 665 while ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL) 666 { 667 _cupsLangPrintFilter(stderr, "INFO", 668 _("Unable to locate printer \"%s\"."), hostname); 669 sleep(10); 670 671 if (getenv("CLASS") != NULL) 672 { 673 update_reasons(NULL, "-connecting-to-device"); 674 return (CUPS_BACKEND_STOP); 675 } 676 677 if (job_canceled) 678 return (CUPS_BACKEND_OK); 679 } 680 681 http = httpConnect2(hostname, port, addrlist, AF_UNSPEC, cupsEncryption(), 1, 682 0, NULL); 683 httpSetTimeout(http, 30.0, timeout_cb, NULL); 684 685 if (httpIsEncrypted(http)) 686 { 687 /* 688 * Validate TLS credentials... 689 */ 690 691 cups_array_t *creds; /* TLS credentials */ 692 cups_array_t *lcreds = NULL; /* Loaded credentials */ 693 http_trust_t trust; /* Trust level */ 694 static const char *trusts[] = { NULL, "+cups-pki-invalid", "+cups-pki-changed", "+cups-pki-expired", NULL, "+cups-pki-unknown" }; 695 /* Trust keywords */ 696 697 if (!httpCopyCredentials(http, &creds)) 698 { 699 trust = httpCredentialsGetTrust(creds, hostname); 700 701 update_reasons(NULL, "-cups-pki-invalid,cups-pki-changed,cups-pki-expired,cups-pki-unknown"); 702 if (trusts[trust]) 703 { 704 update_reasons(NULL, trusts[trust]); 705 return (CUPS_BACKEND_STOP); 706 } 707 708 if (httpLoadCredentials(NULL, &lcreds, hostname)) 709 { 710 /* 711 * Could not load the credentials, let's save the ones we have so we 712 * can detect changes... 713 */ 714 715 httpSaveCredentials(NULL, creds, hostname); 716 } 717 718 httpFreeCredentials(lcreds); 719 httpFreeCredentials(creds); 720 } 721 } 722 723 /* 724 * See if the printer supports SNMP... 725 */ 726 727 if (snmp_enabled) 728 snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family); 729 else 730 snmp_fd = -1; 731 732 if (snmp_fd >= 0) 733 have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr), 734 &start_count, NULL); 735 else 736 have_supplies = start_count = 0; 737 738 /* 739 * Wait for data from the filter... 740 */ 741 742 if (num_files == 0) 743 { 744 if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB)) 745 return (CUPS_BACKEND_OK); 746 else if ((bytes = read(0, buffer, sizeof(buffer))) <= 0) 747 return (CUPS_BACKEND_OK); 748 } 749 750 /* 751 * Try connecting to the remote server... 752 */ 753 754 delay = _cupsNextDelay(0, &prev_delay); 755 756 do 757 { 758 fprintf(stderr, "DEBUG: Connecting to %s:%d\n", hostname, port); 759 _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer.")); 760 761 if (httpReconnect(http)) 762 { 763 int error = errno; /* Connection error */ 764 765 if (http->status == HTTP_PKI_ERROR) 766 update_reasons(NULL, "+cups-certificate-error"); 767 768 if (job_canceled) 769 break; 770 771 if (getenv("CLASS") != NULL) 772 { 773 /* 774 * If the CLASS environment variable is set, the job was submitted 775 * to a class and not to a specific queue. In this case, we want 776 * to abort immediately so that the job can be requeued on the next 777 * available printer in the class. 778 */ 779 780 _cupsLangPrintFilter(stderr, "INFO", 781 _("Unable to contact printer, queuing on next " 782 "printer in class.")); 783 784 /* 785 * Sleep 5 seconds to keep the job from requeuing too rapidly... 786 */ 787 788 sleep(5); 789 790 update_reasons(NULL, "-connecting-to-device"); 791 792 return (CUPS_BACKEND_FAILED); 793 } 794 795 fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(errno)); 796 797 if (errno == ECONNREFUSED || errno == EHOSTDOWN || 798 errno == EHOSTUNREACH) 799 { 800 if (contimeout && (time(NULL) - start_time) > contimeout) 801 { 802 _cupsLangPrintFilter(stderr, "ERROR", 803 _("The printer is not responding.")); 804 update_reasons(NULL, "-connecting-to-device"); 805 return (CUPS_BACKEND_FAILED); 806 } 807 808 switch (error) 809 { 810 case EHOSTDOWN : 811 _cupsLangPrintFilter(stderr, "WARNING", 812 _("The printer may not exist or " 813 "is unavailable at this time.")); 814 break; 815 816 case EHOSTUNREACH : 817 _cupsLangPrintFilter(stderr, "WARNING", 818 _("The printer is unreachable at this " 819 "time.")); 820 break; 821 822 case ECONNREFUSED : 823 default : 824 _cupsLangPrintFilter(stderr, "WARNING", 825 _("The printer is in use.")); 826 break; 827 } 828 829 sleep((unsigned)delay); 830 831 delay = _cupsNextDelay(delay, &prev_delay); 832 } 833 else 834 { 835 _cupsLangPrintFilter(stderr, "ERROR", 836 _("The printer is not responding.")); 837 sleep(30); 838 } 839 840 if (job_canceled) 841 break; 842 } 843 else 844 update_reasons(NULL, "-cups-certificate-error"); 845 } 846 while (http->fd < 0); 847 848 if (job_canceled) 849 return (CUPS_BACKEND_OK); 850 else if (!http) 851 return (CUPS_BACKEND_FAILED); 852 853 update_reasons(NULL, "-connecting-to-device"); 854 _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer.")); 855 856 fprintf(stderr, "DEBUG: Connected to %s:%d...\n", 857 httpAddrString(http->hostaddr, addrname, sizeof(addrname)), 858 httpAddrPort(http->hostaddr)); 859 860 /* 861 * Build a URI for the printer and fill the standard IPP attributes for 862 * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it 863 * might contain username:password information... 864 */ 865 866 httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri), scheme, NULL, hostname, 867 port, resource); 868 869 /* 870 * First validate the destination and see if the device supports multiple 871 * copies... 872 */ 873 874#ifdef HAVE_LIBZ 875 compression_sup = NULL; 876#endif /* HAVE_LIBZ */ 877 copies_sup = NULL; 878 cups_version = NULL; 879 format_sup = NULL; 880 media_col_sup = NULL; 881 supported = NULL; 882 operations_sup = NULL; 883 doc_handling_sup = NULL; 884 print_color_mode_sup = NULL; 885 886 do 887 { 888 /* 889 * Check for side-channel requests... 890 */ 891 892 backendCheckSideChannel(snmp_fd, http->hostaddr); 893 894 /* 895 * Build the IPP request... 896 */ 897 898 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES); 899 ippSetVersion(request, version / 10, version % 10); 900 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 901 NULL, uri); 902 903 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 904 "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]), 905 NULL, pattrs); 906 907 /* 908 * Do the request... 909 */ 910 911 fputs("DEBUG: Getting supported attributes...\n", stderr); 912 913 if (http->version < HTTP_1_1) 914 { 915 fprintf(stderr, "DEBUG: Printer responded with HTTP version %d.%d.\n", 916 http->version / 100, http->version % 100); 917 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 918 "cups-ipp-wrong-http-version"); 919 } 920 921 supported = cupsDoRequest(http, request, resource); 922 ipp_status = cupsLastError(); 923 924 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n", 925 ippErrorString(ipp_status), cupsLastErrorString()); 926 927 if (ipp_status <= IPP_OK_CONFLICT) 928 password_tries = 0; 929 else 930 { 931 fprintf(stderr, "DEBUG: Get-Printer-Attributes returned %s.\n", 932 ippErrorString(ipp_status)); 933 934 if (ipp_status == IPP_PRINTER_BUSY || 935 ipp_status == IPP_SERVICE_UNAVAILABLE) 936 { 937 if (contimeout && (time(NULL) - start_time) > contimeout) 938 { 939 _cupsLangPrintFilter(stderr, "ERROR", 940 _("The printer is not responding.")); 941 return (CUPS_BACKEND_FAILED); 942 } 943 944 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use.")); 945 946 report_printer_state(supported); 947 948 sleep((unsigned)delay); 949 950 delay = _cupsNextDelay(delay, &prev_delay); 951 } 952 else if ((ipp_status == IPP_BAD_REQUEST || 953 ipp_status == IPP_VERSION_NOT_SUPPORTED) && version > 10) 954 { 955 /* 956 * Switch to IPP/1.1 or IPP/1.0... 957 */ 958 959 if (version >= 20) 960 { 961 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print.")); 962 fprintf(stderr, 963 "DEBUG: The printer does not support IPP/%d.%d, trying " 964 "IPP/1.1.\n", version / 10, version % 10); 965 version = 11; 966 } 967 else 968 { 969 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print.")); 970 fprintf(stderr, 971 "DEBUG: The printer does not support IPP/%d.%d, trying " 972 "IPP/1.0.\n", version / 10, version % 10); 973 version = 10; 974 } 975 976 httpReconnect(http); 977 } 978 else if (ipp_status == IPP_NOT_FOUND) 979 { 980 _cupsLangPrintFilter(stderr, "ERROR", 981 _("The printer configuration is incorrect or the " 982 "printer no longer exists.")); 983 984 ippDelete(supported); 985 986 return (CUPS_BACKEND_STOP); 987 } 988 else if (ipp_status == IPP_FORBIDDEN || 989 ipp_status == IPP_AUTHENTICATION_CANCELED) 990 { 991 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE); 992 /* WWW-Authenticate field value */ 993 994 if (!strncmp(www_auth, "Negotiate", 9)) 995 auth_info_required = "negotiate"; 996 else if (www_auth[0]) 997 auth_info_required = "username,password"; 998 999 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required); 1000 return (CUPS_BACKEND_AUTH_REQUIRED); 1001 } 1002 else if (ipp_status != IPP_NOT_AUTHORIZED) 1003 { 1004 _cupsLangPrintFilter(stderr, "ERROR", 1005 _("Unable to get printer status.")); 1006 sleep(10); 1007 1008 httpReconnect(http); 1009 } 1010 1011 ippDelete(supported); 1012 supported = NULL; 1013 continue; 1014 } 1015 1016 if (!getenv("CLASS")) 1017 { 1018 /* 1019 * Check printer-is-accepting-jobs = false and printer-state-reasons for the 1020 * "spool-area-full" keyword... 1021 */ 1022 1023 int busy = 0; 1024 1025 if ((printer_accepting = ippFindAttribute(supported, 1026 "printer-is-accepting-jobs", 1027 IPP_TAG_BOOLEAN)) != NULL && 1028 !printer_accepting->values[0].boolean) 1029 busy = 1; 1030 else if (!printer_accepting) 1031 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1032 "cups-ipp-missing-printer-is-accepting-jobs"); 1033 1034 if ((printer_state = ippFindAttribute(supported, 1035 "printer-state-reasons", 1036 IPP_TAG_KEYWORD)) == NULL) 1037 { 1038 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1039 "cups-ipp-missing-printer-state-reasons"); 1040 } 1041 else if (!busy) 1042 { 1043 for (i = 0; i < printer_state->num_values; i ++) 1044 { 1045 if (!strcmp(printer_state->values[0].string.text, 1046 "spool-area-full") || 1047 !strncmp(printer_state->values[0].string.text, "spool-area-full-", 1048 16)) 1049 { 1050 busy = 1; 1051 break; 1052 } 1053 } 1054 } 1055 1056 if (busy) 1057 { 1058 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use.")); 1059 1060 report_printer_state(supported); 1061 1062 sleep((unsigned)delay); 1063 1064 delay = _cupsNextDelay(delay, &prev_delay); 1065 1066 ippDelete(supported); 1067 supported = NULL; 1068 ipp_status = IPP_STATUS_ERROR_BUSY; 1069 continue; 1070 } 1071 } 1072 1073 /* 1074 * Check for supported attributes... 1075 */ 1076 1077#ifdef HAVE_LIBZ 1078 if ((compression_sup = ippFindAttribute(supported, "compression-supported", 1079 IPP_TAG_KEYWORD)) != NULL) 1080 { 1081 /* 1082 * Check whether the requested compression is supported and/or default to 1083 * compression if supported... 1084 */ 1085 1086 if (compression && !ippContainsString(compression_sup, compression)) 1087 { 1088 fprintf(stderr, "DEBUG: Printer does not support the requested " 1089 "compression value \"%s\".\n", compression); 1090 compression = NULL; 1091 } 1092 else if (!compression) 1093 { 1094 if (ippContainsString(compression_sup, "gzip")) 1095 compression = "gzip"; 1096 else if (ippContainsString(compression_sup, "deflate")) 1097 compression = "deflate"; 1098 1099 if (compression) 1100 fprintf(stderr, "DEBUG: Automatically using \"%s\" compression.\n", 1101 compression); 1102 } 1103 } 1104#endif /* HAVE_LIBZ */ 1105 1106 if ((copies_sup = ippFindAttribute(supported, "copies-supported", 1107 IPP_TAG_RANGE)) != NULL) 1108 { 1109 /* 1110 * Has the "copies-supported" attribute - does it have an upper 1111 * bound > 1? 1112 */ 1113 1114 fprintf(stderr, "DEBUG: copies-supported=%d-%d\n", 1115 copies_sup->values[0].range.lower, 1116 copies_sup->values[0].range.upper); 1117 1118 if (copies_sup->values[0].range.upper <= 1) 1119 copies_sup = NULL; /* No */ 1120 } 1121 1122 cups_version = ippFindAttribute(supported, "cups-version", IPP_TAG_TEXT); 1123 1124 if ((format_sup = ippFindAttribute(supported, "document-format-supported", 1125 IPP_TAG_MIMETYPE)) != NULL) 1126 { 1127 fprintf(stderr, "DEBUG: document-format-supported (%d values)\n", 1128 format_sup->num_values); 1129 for (i = 0; i < format_sup->num_values; i ++) 1130 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i, 1131 format_sup->values[i].string.text); 1132 } 1133 1134 if ((media_col_sup = ippFindAttribute(supported, "media-col-supported", 1135 IPP_TAG_KEYWORD)) != NULL) 1136 { 1137 fprintf(stderr, "DEBUG: media-col-supported (%d values)\n", 1138 media_col_sup->num_values); 1139 for (i = 0; i < media_col_sup->num_values; i ++) 1140 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i, 1141 media_col_sup->values[i].string.text); 1142 } 1143 1144 print_color_mode_sup = ippFindAttribute(supported, "print-color-mode-supported", IPP_TAG_KEYWORD); 1145 1146 if ((operations_sup = ippFindAttribute(supported, "operations-supported", 1147 IPP_TAG_ENUM)) != NULL) 1148 { 1149 fprintf(stderr, "DEBUG: operations-supported (%d values)\n", 1150 operations_sup->num_values); 1151 for (i = 0; i < operations_sup->num_values; i ++) 1152 fprintf(stderr, "DEBUG: [%d] = %s\n", i, 1153 ippOpString(operations_sup->values[i].integer)); 1154 1155 for (i = 0; i < operations_sup->num_values; i ++) 1156 if (operations_sup->values[i].integer == IPP_PRINT_JOB) 1157 break; 1158 1159 if (i >= operations_sup->num_values) 1160 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1161 "cups-ipp-missing-print-job"); 1162 1163 for (i = 0; i < operations_sup->num_values; i ++) 1164 if (operations_sup->values[i].integer == IPP_CANCEL_JOB) 1165 break; 1166 1167 if (i >= operations_sup->num_values) 1168 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1169 "cups-ipp-missing-cancel-job"); 1170 1171 for (i = 0; i < operations_sup->num_values; i ++) 1172 if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES) 1173 break; 1174 1175 if (i >= operations_sup->num_values) 1176 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1177 "cups-ipp-missing-get-job-attributes"); 1178 1179 for (i = 0; i < operations_sup->num_values; i ++) 1180 if (operations_sup->values[i].integer == IPP_GET_PRINTER_ATTRIBUTES) 1181 break; 1182 1183 if (i >= operations_sup->num_values) 1184 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1185 "cups-ipp-missing-get-printer-attributes"); 1186 1187 for (i = 0; i < operations_sup->num_values; i ++) 1188 { 1189 if (operations_sup->values[i].integer == IPP_VALIDATE_JOB) 1190 validate_job = 1; 1191 else if (operations_sup->values[i].integer == IPP_CREATE_JOB) 1192 create_job = 1; 1193 else if (operations_sup->values[i].integer == IPP_SEND_DOCUMENT) 1194 send_document = 1; 1195 else if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES) 1196 get_job_attrs = 1; 1197 } 1198 1199 if (create_job && !send_document) 1200 { 1201 fputs("DEBUG: Printer supports Create-Job but not Send-Document.\n", 1202 stderr); 1203 create_job = 0; 1204 1205 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1206 "cups-ipp-missing-send-document"); 1207 } 1208 1209 if (!validate_job) 1210 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1211 "cups-ipp-missing-validate-job"); 1212 } 1213 else 1214 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1215 "cups-ipp-missing-operations-supported"); 1216 1217 doc_handling_sup = ippFindAttribute(supported, 1218 "multiple-document-handling-supported", 1219 IPP_TAG_KEYWORD); 1220 1221 report_printer_state(supported); 1222 } 1223 while (!job_canceled && ipp_status > IPP_OK_CONFLICT); 1224 1225 if (job_canceled) 1226 return (CUPS_BACKEND_OK); 1227 1228 /* 1229 * See if the printer is accepting jobs and is not stopped; if either 1230 * condition is true and we are printing to a class, requeue the job... 1231 */ 1232 1233 if (getenv("CLASS") != NULL) 1234 { 1235 printer_state = ippFindAttribute(supported, "printer-state", 1236 IPP_TAG_ENUM); 1237 printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs", 1238 IPP_TAG_BOOLEAN); 1239 1240 if (printer_state == NULL || 1241 (printer_state->values[0].integer > IPP_PRINTER_PROCESSING && 1242 waitprinter) || 1243 printer_accepting == NULL || 1244 !printer_accepting->values[0].boolean) 1245 { 1246 /* 1247 * If the CLASS environment variable is set, the job was submitted 1248 * to a class and not to a specific queue. In this case, we want 1249 * to abort immediately so that the job can be requeued on the next 1250 * available printer in the class. 1251 */ 1252 1253 _cupsLangPrintFilter(stderr, "INFO", 1254 _("Unable to contact printer, queuing on next " 1255 "printer in class.")); 1256 1257 ippDelete(supported); 1258 httpClose(http); 1259 1260 /* 1261 * Sleep 5 seconds to keep the job from requeuing too rapidly... 1262 */ 1263 1264 sleep(5); 1265 1266 return (CUPS_BACKEND_FAILED); 1267 } 1268 } 1269 1270 /* 1271 * See if the printer supports multiple copies... 1272 */ 1273 1274 copies = atoi(argv[4]); 1275 1276 if (copies_sup || argc < 7) 1277 copies_remaining = 1; 1278 else 1279 copies_remaining = copies; 1280 1281 /* 1282 * Prepare remaining printing options... 1283 */ 1284 1285 options = NULL; 1286 1287 if (send_options) 1288 { 1289 num_options = cupsParseOptions(argv[5], 0, &options); 1290 1291 if (!cups_version && media_col_sup) 1292 { 1293 /* 1294 * Load the PPD file and generate PWG attribute mapping information... 1295 */ 1296 1297 ppd = ppdOpenFile(getenv("PPD")); 1298 pc = _ppdCacheCreateWithPPD(ppd); 1299 1300 ppdMarkDefaults(ppd); 1301 cupsMarkOptions(ppd, num_options, options); 1302 } 1303 } 1304 else 1305 num_options = 0; 1306 1307 document_format = NULL; 1308 1309 if (format_sup != NULL) 1310 { 1311 for (i = 0; i < format_sup->num_values; i ++) 1312 if (!_cups_strcasecmp(final_content_type, 1313 format_sup->values[i].string.text)) 1314 { 1315 document_format = final_content_type; 1316 break; 1317 } 1318 1319 if (!document_format) 1320 { 1321 for (i = 0; i < format_sup->num_values; i ++) 1322 if (!_cups_strcasecmp("application/octet-stream", 1323 format_sup->values[i].string.text)) 1324 { 1325 document_format = "application/octet-stream"; 1326 break; 1327 } 1328 } 1329 } 1330 1331 fprintf(stderr, "DEBUG: final_content_type=\"%s\", document_format=\"%s\"\n", 1332 final_content_type, document_format ? document_format : "(null)"); 1333 1334 /* 1335 * If the printer does not support HTTP/1.1 (which IPP requires), copy stdin 1336 * to a temporary file so that we can do a HTTP/1.0 submission... 1337 * 1338 * (I hate compatibility hacks!) 1339 */ 1340 1341 if (http->version < HTTP_1_1 && num_files == 0) 1342 { 1343 if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0) 1344 { 1345 perror("DEBUG: Unable to create temporary file"); 1346 return (CUPS_BACKEND_FAILED); 1347 } 1348 1349 _cupsLangPrintFilter(stderr, "INFO", _("Copying print data.")); 1350 1351 if ((compatsize = write(fd, buffer, (size_t)bytes)) < 0) 1352 { 1353 perror("DEBUG: Unable to write temporary file"); 1354 return (CUPS_BACKEND_FAILED); 1355 } 1356 1357 if ((bytes = backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0, 1358 backendNetworkSideCB)) < 0) 1359 return (CUPS_BACKEND_FAILED); 1360 1361 compatsize += bytes; 1362 1363 close(fd); 1364 1365 compatfile = tmpfilename; 1366 files = &compatfile; 1367 num_files = 1; 1368 } 1369 else if (http->version < HTTP_1_1 && num_files == 1) 1370 { 1371 struct stat fileinfo; /* File information */ 1372 1373 if (!stat(files[0], &fileinfo)) 1374 compatsize = fileinfo.st_size; 1375 } 1376 1377 /* 1378 * If the printer only claims to support IPP/1.0, or if the user specifically 1379 * included version=1.0 in the URI, then do not try to use Create-Job or 1380 * Send-Document. This is another dreaded compatibility hack, but 1381 * unfortunately there are enough broken printers out there that we need 1382 * this for now... 1383 */ 1384 1385 if (version == 10) 1386 create_job = send_document = 0; 1387 1388 /* 1389 * Start monitoring the printer in the background... 1390 */ 1391 1392 monitor.uri = uri; 1393 monitor.hostname = hostname; 1394 monitor.user = argv[2]; 1395 monitor.resource = resource; 1396 monitor.port = port; 1397 monitor.version = version; 1398 monitor.job_id = 0; 1399 monitor.get_job_attrs = get_job_attrs; 1400 monitor.encryption = cupsEncryption(); 1401 monitor.job_state = IPP_JOB_PENDING; 1402 monitor.printer_state = IPP_PRINTER_IDLE; 1403 1404 if (create_job) 1405 { 1406 monitor.job_name = argv[3]; 1407 } 1408 else 1409 { 1410 snprintf(print_job_name, sizeof(print_job_name), "%s - %s", argv[1], 1411 argv[3]); 1412 monitor.job_name = print_job_name; 1413 } 1414 1415 _cupsThreadCreate((_cups_thread_func_t)monitor_printer, &monitor); 1416 1417 /* 1418 * Validate access to the printer... 1419 */ 1420 1421 while (!job_canceled && validate_job) 1422 { 1423 request = new_request(IPP_VALIDATE_JOB, version, uri, argv[2], 1424 monitor.job_name, num_options, options, compression, 1425 copies_sup ? copies : 1, document_format, pc, ppd, 1426 media_col_sup, doc_handling_sup, print_color_mode_sup); 1427 1428 response = cupsDoRequest(http, request, resource); 1429 1430 ipp_status = cupsLastError(); 1431 1432 fprintf(stderr, "DEBUG: Validate-Job: %s (%s)\n", 1433 ippErrorString(ipp_status), cupsLastErrorString()); 1434 1435 if ((job_auth = ippFindAttribute(response, "job-authorization-uri", 1436 IPP_TAG_URI)) != NULL) 1437 num_options = cupsAddOption("job-authorization-uri", 1438 ippGetString(job_auth, 0, NULL), num_options, 1439 &options); 1440 1441 ippDelete(response); 1442 1443 if (job_canceled) 1444 break; 1445 1446 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE || 1447 ipp_status == IPP_STATUS_ERROR_BUSY) 1448 { 1449 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use.")); 1450 sleep(10); 1451 } 1452 else if (ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED || 1453 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES || 1454 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED || 1455 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED || 1456 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED || 1457 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED) 1458 goto cleanup; 1459 else if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN || 1460 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED) 1461 { 1462 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE); 1463 /* WWW-Authenticate field value */ 1464 1465 if (!strncmp(www_auth, "Negotiate", 9)) 1466 auth_info_required = "negotiate"; 1467 else if (www_auth[0]) 1468 auth_info_required = "username,password"; 1469 1470 goto cleanup; 1471 } 1472 else if (ipp_status == IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED) 1473 { 1474 /* 1475 * This is all too common... 1476 */ 1477 1478 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1479 "cups-ipp-missing-validate-job"); 1480 break; 1481 } 1482 else if (ipp_status < IPP_REDIRECTION_OTHER_SITE || 1483 ipp_status == IPP_BAD_REQUEST) 1484 break; 1485 } 1486 1487 /* 1488 * Then issue the print-job request... 1489 */ 1490 1491 job_id = 0; 1492 1493 while (!job_canceled && copies_remaining > 0) 1494 { 1495 /* 1496 * Check for side-channel requests... 1497 */ 1498 1499 backendCheckSideChannel(snmp_fd, http->hostaddr); 1500 1501 /* 1502 * Build the IPP job creation request... 1503 */ 1504 1505 if (job_canceled) 1506 break; 1507 1508 request = new_request((num_files > 1 || create_job) ? IPP_CREATE_JOB : 1509 IPP_PRINT_JOB, 1510 version, uri, argv[2], monitor.job_name, num_options, 1511 options, compression, copies_sup ? copies : 1, 1512 document_format, pc, ppd, media_col_sup, 1513 doc_handling_sup, print_color_mode_sup); 1514 1515 /* 1516 * Do the request... 1517 */ 1518 1519 if (num_files > 1 || create_job) 1520 response = cupsDoRequest(http, request, resource); 1521 else 1522 { 1523 size_t length = 0; /* Length of request */ 1524 1525 if (compatsize > 0) 1526 { 1527 fputs("DEBUG: Sending file using HTTP/1.0 Content-Length...\n", stderr); 1528 length = ippLength(request) + (size_t)compatsize; 1529 } 1530 else 1531 fputs("DEBUG: Sending file using HTTP/1.1 chunking...\n", stderr); 1532 1533 http_status = cupsSendRequest(http, request, resource, length); 1534 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA) 1535 { 1536 if (compression && strcmp(compression, "none")) 1537 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression); 1538 1539 if (num_files == 1) 1540 { 1541 if ((fd = open(files[0], O_RDONLY)) < 0) 1542 { 1543 _cupsLangPrintError("ERROR", _("Unable to open print file")); 1544 return (CUPS_BACKEND_FAILED); 1545 } 1546 } 1547 else 1548 { 1549 fd = 0; 1550 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes); 1551 } 1552 1553 while (http_status == HTTP_CONTINUE && 1554 (!job_canceled || compatsize > 0)) 1555 { 1556 /* 1557 * Check for side-channel requests and more print data... 1558 */ 1559 1560 FD_ZERO(&input); 1561 FD_SET(fd, &input); 1562 FD_SET(snmp_fd, &input); 1563 1564 while (select(fd > snmp_fd ? fd + 1 : snmp_fd + 1, &input, NULL, NULL, 1565 NULL) <= 0 && !job_canceled); 1566 1567 if (FD_ISSET(snmp_fd, &input)) 1568 backendCheckSideChannel(snmp_fd, http->hostaddr); 1569 1570 if (FD_ISSET(fd, &input)) 1571 { 1572 if ((bytes = read(fd, buffer, sizeof(buffer))) > 0) 1573 { 1574 fprintf(stderr, "DEBUG: Read %d bytes...\n", (int)bytes); 1575 1576 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes)) 1577 != HTTP_CONTINUE) 1578 break; 1579 } 1580 else if (bytes == 0 || (errno != EINTR && errno != EAGAIN)) 1581 break; 1582 } 1583 } 1584 1585 if (http_status == HTTP_ERROR) 1586 fprintf(stderr, "DEBUG: Error writing document data for " 1587 "Print-Job: %s\n", strerror(httpError(http))); 1588 1589 if (num_files == 1) 1590 close(fd); 1591 } 1592 1593 response = cupsGetResponse(http, resource); 1594 ippDelete(request); 1595 } 1596 1597 ipp_status = cupsLastError(); 1598 1599 fprintf(stderr, "DEBUG: %s: %s (%s)\n", 1600 (num_files > 1 || create_job) ? "Create-Job" : "Print-Job", 1601 ippErrorString(ipp_status), cupsLastErrorString()); 1602 1603 if (ipp_status > IPP_OK_CONFLICT) 1604 { 1605 job_id = 0; 1606 1607 if (job_canceled) 1608 break; 1609 1610 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE || 1611 ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE || 1612 ipp_status == IPP_STATUS_ERROR_BUSY) 1613 { 1614 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use.")); 1615 sleep(10); 1616 1617 if (num_files == 0) 1618 { 1619 /* 1620 * We can't re-submit when we have no files to print, so exit 1621 * immediately with the right status code... 1622 */ 1623 1624 goto cleanup; 1625 } 1626 } 1627 else if (ipp_status == IPP_STATUS_ERROR_JOB_CANCELED || 1628 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED || 1629 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES || 1630 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED || 1631 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED || 1632 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED || 1633 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED) 1634 goto cleanup; 1635 else 1636 { 1637 /* 1638 * Update auth-info-required as needed... 1639 */ 1640 1641 _cupsLangPrintFilter(stderr, "ERROR", 1642 _("Print job was not accepted.")); 1643 1644 if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN || 1645 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED) 1646 { 1647 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE); 1648 /* WWW-Authenticate field value */ 1649 1650 if (!strncmp(www_auth, "Negotiate", 9)) 1651 auth_info_required = "negotiate"; 1652 else if (www_auth[0]) 1653 auth_info_required = "username,password"; 1654 } 1655 else if (ipp_status == IPP_REQUEST_VALUE) 1656 { 1657 /* 1658 * Print file is too large, abort this job... 1659 */ 1660 1661 goto cleanup; 1662 } 1663 else 1664 sleep(10); 1665 1666 if (num_files == 0) 1667 { 1668 /* 1669 * We can't re-submit when we have no files to print, so exit 1670 * immediately with the right status code... 1671 */ 1672 1673 goto cleanup; 1674 } 1675 } 1676 } 1677 else if ((job_id_attr = ippFindAttribute(response, "job-id", 1678 IPP_TAG_INTEGER)) == NULL) 1679 { 1680 fputs("DEBUG: Print job accepted - job ID unknown.\n", stderr); 1681 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1682 "cups-ipp-missing-job-id"); 1683 job_id = 0; 1684 } 1685 else 1686 { 1687 password_tries = 0; 1688 monitor.job_id = job_id = job_id_attr->values[0].integer; 1689 fprintf(stderr, "DEBUG: Print job accepted - job ID %d.\n", job_id); 1690 } 1691 1692 ippDelete(response); 1693 1694 if (job_canceled) 1695 break; 1696 1697 if (job_id && (num_files > 1 || create_job)) 1698 { 1699 for (i = 0; num_files == 0 || i < num_files; i ++) 1700 { 1701 /* 1702 * Check for side-channel requests... 1703 */ 1704 1705 backendCheckSideChannel(snmp_fd, http->hostaddr); 1706 1707 /* 1708 * Send the next file in the job... 1709 */ 1710 1711 request = ippNewRequest(IPP_SEND_DOCUMENT); 1712 ippSetVersion(request, version / 10, version % 10); 1713 1714 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 1715 NULL, uri); 1716 1717 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", 1718 job_id); 1719 1720 if (argv[2][0]) 1721 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 1722 "requesting-user-name", NULL, argv[2]); 1723 1724 ippAddBoolean(request, IPP_TAG_OPERATION, "last-document", 1725 (i + 1) >= num_files); 1726 1727 if (document_format) 1728 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, 1729 "document-format", NULL, document_format); 1730 1731 if (compression) 1732 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 1733 "compression", NULL, compression); 1734 1735 fprintf(stderr, "DEBUG: Sending file %d using chunking...\n", i + 1); 1736 http_status = cupsSendRequest(http, request, resource, 0); 1737 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA) 1738 { 1739 if (compression && strcmp(compression, "none")) 1740 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression); 1741 1742 if (num_files == 0) 1743 { 1744 fd = 0; 1745 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes); 1746 } 1747 else 1748 { 1749 if ((fd = open(files[i], O_RDONLY)) < 0) 1750 { 1751 _cupsLangPrintError("ERROR", _("Unable to open print file")); 1752 return (CUPS_BACKEND_FAILED); 1753 } 1754 } 1755 } 1756 else 1757 fd = -1; 1758 1759 if (fd >= 0) 1760 { 1761 while (!job_canceled && http_status == HTTP_CONTINUE && 1762 (bytes = read(fd, buffer, sizeof(buffer))) > 0) 1763 { 1764 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes)) 1765 != HTTP_CONTINUE) 1766 break; 1767 else 1768 { 1769 /* 1770 * Check for side-channel requests... 1771 */ 1772 1773 backendCheckSideChannel(snmp_fd, http->hostaddr); 1774 } 1775 } 1776 1777 if (fd > 0) 1778 close(fd); 1779 } 1780 1781 if (http_status == HTTP_ERROR) 1782 fprintf(stderr, "DEBUG: Error writing document data for " 1783 "Send-Document: %s\n", strerror(httpError(http))); 1784 1785 ippDelete(cupsGetResponse(http, resource)); 1786 ippDelete(request); 1787 1788 fprintf(stderr, "DEBUG: Send-Document: %s (%s)\n", 1789 ippErrorString(cupsLastError()), cupsLastErrorString()); 1790 1791 if (cupsLastError() > IPP_OK_CONFLICT) 1792 { 1793 ipp_status = cupsLastError(); 1794 1795 _cupsLangPrintFilter(stderr, "ERROR", 1796 _("Unable to add document to print job.")); 1797 break; 1798 } 1799 else 1800 { 1801 password_tries = 0; 1802 1803 if (num_files == 0 || fd < 0) 1804 break; 1805 } 1806 } 1807 } 1808 1809 if (ipp_status <= IPP_OK_CONFLICT && argc > 6) 1810 { 1811 fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1); 1812 copies_remaining --; 1813 } 1814 else if ((ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_ERROR || ipp_status == IPP_STATUS_ERROR_DOCUMENT_UNPRINTABLE) && 1815 argc == 6 && 1816 document_format && strcmp(document_format, "image/pwg-raster") && strcmp(document_format, "image/urf")) 1817 { 1818 /* 1819 * Need to reprocess the job as raster... 1820 */ 1821 1822 fputs("JOBSTATE: cups-retry-as-raster\n", stderr); 1823 if (job_id > 0) 1824 cancel_job(http, uri, job_id, resource, argv[2], version); 1825 1826 goto cleanup; 1827 } 1828 else if (ipp_status == IPP_SERVICE_UNAVAILABLE || 1829 ipp_status == IPP_NOT_POSSIBLE || 1830 ipp_status == IPP_PRINTER_BUSY) 1831 { 1832 if (argc == 6) 1833 { 1834 /* 1835 * Need to reprocess the entire job; if we have a job ID, cancel the 1836 * job first... 1837 */ 1838 1839 if (job_id > 0) 1840 cancel_job(http, uri, job_id, resource, argv[2], version); 1841 1842 goto cleanup; 1843 } 1844 continue; 1845 } 1846 else if (ipp_status == IPP_REQUEST_VALUE || 1847 ipp_status == IPP_ERROR_JOB_CANCELED || 1848 ipp_status == IPP_NOT_AUTHORIZED || 1849 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED || 1850 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED || 1851 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED || 1852 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED || 1853 ipp_status == IPP_INTERNAL_ERROR) 1854 { 1855 /* 1856 * Print file is too large, job was canceled, we need new 1857 * authentication data, or we had some sort of error... 1858 */ 1859 1860 goto cleanup; 1861 } 1862 else if (ipp_status == IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED) 1863 { 1864 /* 1865 * Server is configured incorrectly; the policy for Create-Job and 1866 * Send-Document has to be the same (auth or no auth, encryption or 1867 * no encryption). Force the queue to stop since printing will never 1868 * work. 1869 */ 1870 1871 fputs("DEBUG: The server or printer is configured incorrectly.\n", 1872 stderr); 1873 fputs("DEBUG: The policy for Create-Job and Send-Document must have the " 1874 "same authentication and encryption requirements.\n", stderr); 1875 1876 ipp_status = IPP_STATUS_ERROR_INTERNAL; 1877 1878 if (job_id > 0) 1879 cancel_job(http, uri, job_id, resource, argv[2], version); 1880 1881 goto cleanup; 1882 } 1883 else if (ipp_status == IPP_NOT_FOUND) 1884 { 1885 /* 1886 * Printer does not actually implement support for Create-Job/ 1887 * Send-Document, so log the conformance issue and stop the printer. 1888 */ 1889 1890 fputs("DEBUG: This printer claims to support Create-Job and " 1891 "Send-Document, but those operations failed.\n", stderr); 1892 fputs("DEBUG: Add '?version=1.0' to the device URI to use legacy " 1893 "compatibility mode.\n", stderr); 1894 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1895 "cups-ipp-missing-send-document"); 1896 1897 ipp_status = IPP_INTERNAL_ERROR; /* Force queue to stop */ 1898 1899 goto cleanup; 1900 } 1901 else 1902 copies_remaining --; 1903 1904 /* 1905 * Wait for the job to complete... 1906 */ 1907 1908 if (!job_id || !waitjob || !get_job_attrs) 1909 continue; 1910 1911 fputs("STATE: +cups-waiting-for-job-completed\n", stderr); 1912 1913 _cupsLangPrintFilter(stderr, "INFO", _("Waiting for job to complete.")); 1914 1915 for (delay = _cupsNextDelay(0, &prev_delay); !job_canceled;) 1916 { 1917 /* 1918 * Check for side-channel requests... 1919 */ 1920 1921 backendCheckSideChannel(snmp_fd, http->hostaddr); 1922 1923 /* 1924 * Check printer state... 1925 */ 1926 1927 check_printer_state(http, uri, resource, argv[2], version); 1928 1929 if (cupsLastError() <= IPP_OK_CONFLICT) 1930 password_tries = 0; 1931 1932 /* 1933 * Build an IPP_GET_JOB_ATTRIBUTES request... 1934 */ 1935 1936 request = ippNewRequest(IPP_GET_JOB_ATTRIBUTES); 1937 ippSetVersion(request, version / 10, version % 10); 1938 1939 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 1940 NULL, uri); 1941 1942 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", 1943 job_id); 1944 1945 if (argv[2][0]) 1946 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 1947 "requesting-user-name", NULL, argv[2]); 1948 1949 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 1950 "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]), 1951 NULL, jattrs); 1952 1953 /* 1954 * Do the request... 1955 */ 1956 1957 httpReconnect(http); 1958 response = cupsDoRequest(http, request, resource); 1959 ipp_status = cupsLastError(); 1960 1961 if (ipp_status == IPP_NOT_FOUND || ipp_status == IPP_NOT_POSSIBLE) 1962 { 1963 /* 1964 * Job has gone away and/or the server has no job history... 1965 */ 1966 1967 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 1968 "cups-ipp-missing-job-history"); 1969 ippDelete(response); 1970 1971 ipp_status = IPP_OK; 1972 break; 1973 } 1974 1975 fprintf(stderr, "DEBUG: Get-Job-Attributes: %s (%s)\n", 1976 ippErrorString(ipp_status), cupsLastErrorString()); 1977 1978 if (ipp_status <= IPP_OK_CONFLICT) 1979 password_tries = 0; 1980 else 1981 { 1982 if (ipp_status != IPP_SERVICE_UNAVAILABLE && 1983 ipp_status != IPP_PRINTER_BUSY) 1984 { 1985 ippDelete(response); 1986 ipp_status = IPP_OK; 1987 break; 1988 } 1989 else if (ipp_status == IPP_INTERNAL_ERROR) 1990 { 1991 waitjob_tries ++; 1992 1993 if (waitjob_tries > 4) 1994 { 1995 ippDelete(response); 1996 ipp_status = IPP_OK; 1997 break; 1998 } 1999 } 2000 } 2001 2002 if (response) 2003 { 2004 if ((job_state = ippFindAttribute(response, "job-state", 2005 IPP_TAG_ENUM)) != NULL) 2006 { 2007 /* 2008 * Reflect the remote job state in the local queue... 2009 */ 2010 2011 if (cups_version && 2012 job_state->values[0].integer >= IPP_JOB_PENDING && 2013 job_state->values[0].integer <= IPP_JOB_COMPLETED) 2014 update_reasons(NULL, 2015 remote_job_states[job_state->values[0].integer - 2016 IPP_JOB_PENDING]); 2017 2018 if ((job_sheets = ippFindAttribute(response, 2019 "job-media-sheets-completed", 2020 IPP_TAG_INTEGER)) == NULL) 2021 job_sheets = ippFindAttribute(response, 2022 "job-impressions-completed", 2023 IPP_TAG_INTEGER); 2024 2025 if (job_sheets) 2026 fprintf(stderr, "PAGE: total %d\n", 2027 job_sheets->values[0].integer); 2028 2029 /* 2030 * Stop polling if the job is finished or pending-held... 2031 */ 2032 2033 if (job_state->values[0].integer > IPP_JOB_STOPPED) 2034 { 2035 ippDelete(response); 2036 break; 2037 } 2038 } 2039 else if (ipp_status != IPP_SERVICE_UNAVAILABLE && 2040 ipp_status != IPP_NOT_POSSIBLE && 2041 ipp_status != IPP_PRINTER_BUSY) 2042 { 2043 /* 2044 * If the printer does not return a job-state attribute, it does not 2045 * conform to the IPP specification - break out immediately and fail 2046 * the job... 2047 */ 2048 2049 update_reasons(NULL, "+cups-ipp-conformance-failure-report," 2050 "cups-ipp-missing-job-state"); 2051 ipp_status = IPP_INTERNAL_ERROR; 2052 break; 2053 } 2054 } 2055 2056 ippDelete(response); 2057 2058 /* 2059 * Wait before polling again... 2060 */ 2061 2062 sleep((unsigned)delay); 2063 2064 delay = _cupsNextDelay(delay, &prev_delay); 2065 } 2066 } 2067 2068 /* 2069 * Cancel the job as needed... 2070 */ 2071 2072 if (job_canceled > 0 && job_id > 0) 2073 { 2074 cancel_job(http, uri, job_id, resource, argv[2], version); 2075 2076 if (cupsLastError() > IPP_OK_CONFLICT) 2077 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job.")); 2078 } 2079 2080 /* 2081 * Check the printer state and report it if necessary... 2082 */ 2083 2084 check_printer_state(http, uri, resource, argv[2], version); 2085 2086 if (cupsLastError() <= IPP_OK_CONFLICT) 2087 password_tries = 0; 2088 2089 /* 2090 * Collect the final page count as needed... 2091 */ 2092 2093 if (have_supplies && 2094 !backendSNMPSupplies(snmp_fd, &(http->addrlist->addr), &page_count, 2095 NULL) && 2096 page_count > start_count) 2097 fprintf(stderr, "PAGE: total %d\n", page_count - start_count); 2098 2099#ifdef HAVE_GSSAPI 2100 /* 2101 * See if we used Kerberos at all... 2102 */ 2103 2104 if (http->gssctx) 2105 auth_info_required = "negotiate"; 2106#endif /* HAVE_GSSAPI */ 2107 2108 /* 2109 * Free memory... 2110 */ 2111 2112 cleanup: 2113 2114 cupsFreeOptions(num_options, options); 2115 _ppdCacheDestroy(pc); 2116 ppdClose(ppd); 2117 2118 httpClose(http); 2119 2120 ippDelete(supported); 2121 2122 /* 2123 * Remove the temporary file(s) if necessary... 2124 */ 2125 2126 if (tmpfilename[0]) 2127 unlink(tmpfilename); 2128 2129 /* 2130 * Return the queue status... 2131 */ 2132 2133 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN || 2134 ipp_status == IPP_AUTHENTICATION_CANCELED || 2135 ipp_status <= IPP_OK_CONFLICT) 2136 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required); 2137 2138 if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED) 2139 fputs("JOBSTATE: account-info-needed\n", stderr); 2140 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED) 2141 fputs("JOBSTATE: account-closed\n", stderr); 2142 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED) 2143 fputs("JOBSTATE: account-limit-reached\n", stderr); 2144 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED) 2145 fputs("JOBSTATE: account-authorization-failed\n", stderr); 2146 2147 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN || 2148 ipp_status == IPP_AUTHENTICATION_CANCELED) 2149 return (CUPS_BACKEND_AUTH_REQUIRED); 2150 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED || 2151 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED || 2152 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED || 2153 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED) 2154 return (CUPS_BACKEND_HOLD); 2155 else if (ipp_status == IPP_INTERNAL_ERROR) 2156 return (CUPS_BACKEND_STOP); 2157 else if (ipp_status == IPP_CONFLICT) 2158 return (CUPS_BACKEND_FAILED); 2159 else if (ipp_status == IPP_REQUEST_VALUE || 2160 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES || 2161 ipp_status == IPP_DOCUMENT_FORMAT || job_canceled < 0) 2162 { 2163 if (ipp_status == IPP_REQUEST_VALUE) 2164 _cupsLangPrintFilter(stderr, "ERROR", _("Print job too large.")); 2165 else if (ipp_status == IPP_DOCUMENT_FORMAT) 2166 _cupsLangPrintFilter(stderr, "ERROR", 2167 _("Printer cannot print supplied content.")); 2168 else if (ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES) 2169 _cupsLangPrintFilter(stderr, "ERROR", 2170 _("Printer cannot print with supplied options.")); 2171 else 2172 _cupsLangPrintFilter(stderr, "ERROR", _("Print job canceled at printer.")); 2173 2174 return (CUPS_BACKEND_CANCEL); 2175 } 2176 else if (ipp_status > IPP_OK_CONFLICT && ipp_status != IPP_ERROR_JOB_CANCELED) 2177 return (CUPS_BACKEND_RETRY_CURRENT); 2178 else 2179 return (CUPS_BACKEND_OK); 2180} 2181 2182 2183/* 2184 * 'cancel_job()' - Cancel a print job. 2185 */ 2186 2187static void 2188cancel_job(http_t *http, /* I - HTTP connection */ 2189 const char *uri, /* I - printer-uri */ 2190 int id, /* I - job-id */ 2191 const char *resource, /* I - Resource path */ 2192 const char *user, /* I - requesting-user-name */ 2193 int version) /* I - IPP version */ 2194{ 2195 ipp_t *request; /* Cancel-Job request */ 2196 2197 2198 _cupsLangPrintFilter(stderr, "INFO", _("Canceling print job.")); 2199 2200 request = ippNewRequest(IPP_CANCEL_JOB); 2201 ippSetVersion(request, version / 10, version % 10); 2202 2203 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 2204 NULL, uri); 2205 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", id); 2206 2207 if (user && user[0]) 2208 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 2209 "requesting-user-name", NULL, user); 2210 2211 /* 2212 * Do the request... 2213 */ 2214 2215 ippDelete(cupsDoRequest(http, request, resource)); 2216} 2217 2218 2219/* 2220 * 'check_printer_state()' - Check the printer state. 2221 */ 2222 2223static ipp_pstate_t /* O - Current printer-state */ 2224check_printer_state( 2225 http_t *http, /* I - HTTP connection */ 2226 const char *uri, /* I - Printer URI */ 2227 const char *resource, /* I - Resource path */ 2228 const char *user, /* I - Username, if any */ 2229 int version) /* I - IPP version */ 2230 { 2231 ipp_t *request, /* IPP request */ 2232 *response; /* IPP response */ 2233 ipp_attribute_t *attr; /* Attribute in response */ 2234 ipp_pstate_t printer_state = IPP_PRINTER_STOPPED; 2235 /* Current printer-state */ 2236 2237 2238 /* 2239 * Send a Get-Printer-Attributes request and log the results... 2240 */ 2241 2242 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES); 2243 ippSetVersion(request, version / 10, version % 10); 2244 2245 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 2246 NULL, uri); 2247 2248 if (user && user[0]) 2249 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 2250 "requesting-user-name", NULL, user); 2251 2252 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 2253 "requested-attributes", 2254 (int)(sizeof(pattrs) / sizeof(pattrs[0])), NULL, pattrs); 2255 2256 if ((response = cupsDoRequest(http, request, resource)) != NULL) 2257 { 2258 report_printer_state(response); 2259 2260 if ((attr = ippFindAttribute(response, "printer-state", 2261 IPP_TAG_ENUM)) != NULL) 2262 printer_state = (ipp_pstate_t)attr->values[0].integer; 2263 2264 ippDelete(response); 2265 } 2266 2267 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n", 2268 ippErrorString(cupsLastError()), cupsLastErrorString()); 2269 2270 /* 2271 * Return the printer-state value... 2272 */ 2273 2274 return (printer_state); 2275} 2276 2277 2278/* 2279 * 'monitor_printer()' - Monitor the printer state. 2280 */ 2281 2282static void * /* O - Thread exit code */ 2283monitor_printer( 2284 _cups_monitor_t *monitor) /* I - Monitoring data */ 2285{ 2286 http_t *http; /* Connection to printer */ 2287 ipp_t *request, /* IPP request */ 2288 *response; /* IPP response */ 2289 ipp_attribute_t *attr; /* Attribute in response */ 2290 int delay, /* Current delay */ 2291 prev_delay; /* Previous delay */ 2292 ipp_op_t job_op; /* Operation to use */ 2293 int job_id; /* Job ID */ 2294 const char *job_name; /* Job name */ 2295 ipp_jstate_t job_state; /* Job state */ 2296 const char *job_user; /* Job originating user name */ 2297 int password_tries = 0; /* Password tries */ 2298 2299 2300 /* 2301 * Make a copy of the printer connection... 2302 */ 2303 2304 http = httpConnect2(monitor->hostname, monitor->port, NULL, AF_UNSPEC, 2305 monitor->encryption, 1, 0, NULL); 2306 httpSetTimeout(http, 30.0, timeout_cb, NULL); 2307 if (username[0]) 2308 cupsSetUser(username); 2309 2310 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries); 2311 2312 /* 2313 * Loop until the job is canceled, aborted, or completed. 2314 */ 2315 2316 delay = _cupsNextDelay(0, &prev_delay); 2317 2318 monitor->job_reasons = 0; 2319 2320 while (monitor->job_state < IPP_JOB_CANCELED && !job_canceled) 2321 { 2322 /* 2323 * Reconnect to the printer... 2324 */ 2325 2326 if (!httpReconnect(http)) 2327 { 2328 /* 2329 * Connected, so check on the printer state... 2330 */ 2331 2332 monitor->printer_state = check_printer_state(http, monitor->uri, 2333 monitor->resource, 2334 monitor->user, 2335 monitor->version); 2336 if (cupsLastError() <= IPP_OK_CONFLICT) 2337 password_tries = 0; 2338 2339 /* 2340 * Check the status of the job itself... 2341 */ 2342 2343 job_op = (monitor->job_id > 0 && monitor->get_job_attrs) ? 2344 IPP_GET_JOB_ATTRIBUTES : IPP_GET_JOBS; 2345 request = ippNewRequest(job_op); 2346 ippSetVersion(request, monitor->version / 10, monitor->version % 10); 2347 2348 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 2349 NULL, monitor->uri); 2350 if (job_op == IPP_GET_JOB_ATTRIBUTES) 2351 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", 2352 monitor->job_id); 2353 2354 if (monitor->user && monitor->user[0]) 2355 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 2356 "requesting-user-name", NULL, monitor->user); 2357 2358 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 2359 "requested-attributes", 2360 (int)(sizeof(jattrs) / sizeof(jattrs[0])), NULL, jattrs); 2361 2362 /* 2363 * Do the request... 2364 */ 2365 2366 response = cupsDoRequest(http, request, monitor->resource); 2367 2368 fprintf(stderr, "DEBUG: (monitor) %s: %s (%s)\n", ippOpString(job_op), 2369 ippErrorString(cupsLastError()), cupsLastErrorString()); 2370 2371 if (cupsLastError() <= IPP_OK_CONFLICT) 2372 password_tries = 0; 2373 2374 if (job_op == IPP_GET_JOB_ATTRIBUTES) 2375 { 2376 if ((attr = ippFindAttribute(response, "job-state", 2377 IPP_TAG_ENUM)) != NULL) 2378 monitor->job_state = (ipp_jstate_t)attr->values[0].integer; 2379 else 2380 monitor->job_state = IPP_JOB_COMPLETED; 2381 } 2382 else if (response) 2383 { 2384 for (attr = response->attrs; attr; attr = attr->next) 2385 { 2386 job_id = 0; 2387 job_name = NULL; 2388 job_state = IPP_JOB_PENDING; 2389 job_user = NULL; 2390 2391 while (attr && attr->group_tag != IPP_TAG_JOB) 2392 attr = attr->next; 2393 2394 if (!attr) 2395 break; 2396 2397 while (attr && attr->group_tag == IPP_TAG_JOB) 2398 { 2399 if (!strcmp(attr->name, "job-id") && 2400 attr->value_tag == IPP_TAG_INTEGER) 2401 job_id = attr->values[0].integer; 2402 else if (!strcmp(attr->name, "job-name") && 2403 (attr->value_tag == IPP_TAG_NAME || 2404 attr->value_tag == IPP_TAG_NAMELANG)) 2405 job_name = attr->values[0].string.text; 2406 else if (!strcmp(attr->name, "job-state") && 2407 attr->value_tag == IPP_TAG_ENUM) 2408 job_state = (ipp_jstate_t)attr->values[0].integer; 2409 else if (!strcmp(attr->name, "job-originating-user-name") && 2410 (attr->value_tag == IPP_TAG_NAME || 2411 attr->value_tag == IPP_TAG_NAMELANG)) 2412 job_user = attr->values[0].string.text; 2413 2414 attr = attr->next; 2415 } 2416 2417 if (job_id > 0 && job_name && !strcmp(job_name, monitor->job_name) && 2418 job_user && monitor->user && !strcmp(job_user, monitor->user)) 2419 { 2420 monitor->job_id = job_id; 2421 monitor->job_state = job_state; 2422 break; 2423 } 2424 2425 if (!attr) 2426 break; 2427 } 2428 } 2429 2430 if ((attr = ippFindAttribute(response, "job-state-reasons", 2431 IPP_TAG_KEYWORD)) != NULL) 2432 { 2433 int i, new_reasons = 0; /* Looping var, new reasons */ 2434 2435 for (i = 0; i < attr->num_values; i ++) 2436 { 2437 if (!strcmp(attr->values[i].string.text, 2438 "account-authorization-failed")) 2439 new_reasons |= _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED; 2440 else if (!strcmp(attr->values[i].string.text, "account-closed")) 2441 new_reasons |= _CUPS_JSR_ACCOUNT_CLOSED; 2442 else if (!strcmp(attr->values[i].string.text, "account-info-needed")) 2443 new_reasons |= _CUPS_JSR_ACCOUNT_INFO_NEEDED; 2444 else if (!strcmp(attr->values[i].string.text, 2445 "account-limit-reached")) 2446 new_reasons |= _CUPS_JSR_ACCOUNT_LIMIT_REACHED; 2447 else if (!strcmp(attr->values[i].string.text, "job-password-wait")) 2448 new_reasons |= _CUPS_JSR_JOB_PASSWORD_WAIT; 2449 else if (!strcmp(attr->values[i].string.text, "job-release-wait")) 2450 new_reasons |= _CUPS_JSR_JOB_RELEASE_WAIT; 2451 } 2452 2453 if (new_reasons != monitor->job_reasons) 2454 { 2455 if (new_reasons & _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED) 2456 fputs("JOBSTATE: account-authorization-failed\n", stderr); 2457 else if (new_reasons & _CUPS_JSR_ACCOUNT_CLOSED) 2458 fputs("JOBSTATE: account-closed\n", stderr); 2459 else if (new_reasons & _CUPS_JSR_ACCOUNT_INFO_NEEDED) 2460 fputs("JOBSTATE: account-info-needed\n", stderr); 2461 else if (new_reasons & _CUPS_JSR_ACCOUNT_LIMIT_REACHED) 2462 fputs("JOBSTATE: account-limit-reached\n", stderr); 2463 else if (new_reasons & _CUPS_JSR_JOB_PASSWORD_WAIT) 2464 fputs("JOBSTATE: job-password-wait\n", stderr); 2465 else if (new_reasons & _CUPS_JSR_JOB_RELEASE_WAIT) 2466 fputs("JOBSTATE: job-release-wait\n", stderr); 2467 else 2468 fputs("JOBSTATE: job-printing\n", stderr); 2469 2470 monitor->job_reasons = new_reasons; 2471 } 2472 } 2473 2474 ippDelete(response); 2475 2476 fprintf(stderr, "DEBUG: (monitor) job-state=%s\n", 2477 ippEnumString("job-state", monitor->job_state)); 2478 2479 if (!job_canceled && 2480 (monitor->job_state == IPP_JOB_CANCELED || 2481 monitor->job_state == IPP_JOB_ABORTED)) 2482 job_canceled = -1; 2483 2484 /* 2485 * Disconnect from the printer - we'll reconnect on the next poll... 2486 */ 2487 2488 _httpDisconnect(http); 2489 } 2490 2491 /* 2492 * Sleep for N seconds... 2493 */ 2494 2495 sleep((unsigned)delay); 2496 2497 delay = _cupsNextDelay(delay, &prev_delay); 2498 } 2499 2500 /* 2501 * Cancel the job if necessary... 2502 */ 2503 2504 if (job_canceled > 0 && monitor->job_id > 0) 2505 { 2506 if (!httpReconnect(http)) 2507 { 2508 cancel_job(http, monitor->uri, monitor->job_id, monitor->resource, 2509 monitor->user, monitor->version); 2510 2511 if (cupsLastError() > IPP_OK_CONFLICT) 2512 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job.")); 2513 } 2514 } 2515 2516 /* 2517 * Cleanup and return... 2518 */ 2519 2520 httpClose(http); 2521 2522 return (NULL); 2523} 2524 2525 2526/* 2527 * 'new_request()' - Create a new print creation or validation request. 2528 */ 2529 2530static ipp_t * /* O - Request data */ 2531new_request( 2532 ipp_op_t op, /* I - IPP operation code */ 2533 int version, /* I - IPP version number */ 2534 const char *uri, /* I - printer-uri value */ 2535 const char *user, /* I - requesting-user-name value */ 2536 const char *title, /* I - job-name value */ 2537 int num_options, /* I - Number of options to send */ 2538 cups_option_t *options, /* I - Options to send */ 2539 const char *compression, /* I - compression value or NULL */ 2540 int copies, /* I - copies value or 0 */ 2541 const char *format, /* I - document-format value or NULL */ 2542 _ppd_cache_t *pc, /* I - PPD cache and mapping data */ 2543 ppd_file_t *ppd, /* I - PPD file data */ 2544 ipp_attribute_t *media_col_sup, /* I - media-col-supported values */ 2545 ipp_attribute_t *doc_handling_sup, /* I - multiple-document-handling-supported values */ 2546 ipp_attribute_t *print_color_mode_sup) 2547 /* I - Printer supports print-color-mode */ 2548{ 2549 int i; /* Looping var */ 2550 ipp_t *request; /* Request data */ 2551 const char *keyword; /* PWG keyword */ 2552 _pwg_size_t *size; /* PWG media size */ 2553 ipp_t *media_col, /* media-col value */ 2554 *media_size; /* media-size value */ 2555 const char *media_source, /* media-source value */ 2556 *media_type, /* media-type value */ 2557 *collate_str, /* multiple-document-handling value */ 2558 *mandatory; /* Mandatory attributes */ 2559 ipp_tag_t group; /* Current group */ 2560 ipp_attribute_t *attr; /* Current attribute */ 2561 const char *color_attr_name; /* Supported color attribute */ 2562 char buffer[1024]; /* Value buffer */ 2563 2564 2565 /* 2566 * Create the IPP request... 2567 */ 2568 2569 request = ippNewRequest(op); 2570 ippSetVersion(request, version / 10, version % 10); 2571 2572 fprintf(stderr, "DEBUG: %s IPP/%d.%d\n", 2573 ippOpString(request->request.op.operation_id), 2574 request->request.op.version[0], 2575 request->request.op.version[1]); 2576 2577 /* 2578 * Add standard attributes... 2579 */ 2580 2581 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", 2582 NULL, uri); 2583 fprintf(stderr, "DEBUG: printer-uri=\"%s\"\n", uri); 2584 2585 if (user && *user) 2586 { 2587 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, 2588 "requesting-user-name", NULL, user); 2589 fprintf(stderr, "DEBUG: requesting-user-name=\"%s\"\n", user); 2590 } 2591 2592 if (title && *title) 2593 { 2594 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, 2595 title); 2596 fprintf(stderr, "DEBUG: job-name=\"%s\"\n", title); 2597 } 2598 2599 if (format && op != IPP_CREATE_JOB) 2600 { 2601 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, 2602 "document-format", NULL, format); 2603 fprintf(stderr, "DEBUG: document-format=\"%s\"\n", format); 2604 } 2605 2606#ifdef HAVE_LIBZ 2607 if (compression && op != IPP_OP_CREATE_JOB && op != IPP_OP_VALIDATE_JOB) 2608 { 2609 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 2610 "compression", NULL, compression); 2611 fprintf(stderr, "DEBUG: compression=\"%s\"\n", compression); 2612 } 2613#endif /* HAVE_LIBZ */ 2614 2615 /* 2616 * Handle options on the command-line... 2617 */ 2618 2619 if (num_options > 0) 2620 { 2621 if (pc) 2622 { 2623 int num_finishings = 0, /* Number of finishing values */ 2624 finishings[10]; /* Finishing enum values */ 2625 ppd_choice_t *choice; /* Marked choice */ 2626 2627 /* 2628 * Send standard IPP attributes... 2629 */ 2630 2631 fputs("DEBUG: Adding standard IPP operation/job attributes.\n", stderr); 2632 2633 if (pc->password && 2634 (keyword = cupsGetOption("job-password", num_options, 2635 options)) != NULL) 2636 { 2637 ippAddOctetString(request, IPP_TAG_OPERATION, "job-password", keyword, (int)strlen(keyword)); 2638 2639 if ((keyword = cupsGetOption("job-password-encryption", num_options, 2640 options)) == NULL) 2641 keyword = "none"; 2642 2643 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, 2644 "job-password-encryption", NULL, keyword); 2645 } 2646 2647 if (pc->account_id) 2648 { 2649 if ((keyword = cupsGetOption("job-account-id", num_options, 2650 options)) == NULL) 2651 keyword = cupsGetOption("job-billing", num_options, options); 2652 2653 if (keyword) 2654 ippAddString(request, IPP_TAG_JOB, IPP_TAG_NAME, "job-account-id", 2655 NULL, keyword); 2656 } 2657 2658 if (pc->accounting_user_id) 2659 { 2660 if ((keyword = cupsGetOption("job-accounting-user-id", num_options, 2661 options)) == NULL) 2662 keyword = user; 2663 2664 if (keyword) 2665 ippAddString(request, IPP_TAG_JOB, IPP_TAG_NAME, 2666 "job-accounting-user-id", NULL, keyword); 2667 } 2668 2669 for (mandatory = (char *)cupsArrayFirst(pc->mandatory); 2670 mandatory; 2671 mandatory = (char *)cupsArrayNext(pc->mandatory)) 2672 { 2673 if (strcmp(mandatory, "copies") && 2674 strcmp(mandatory, "destination-uris") && 2675 strcmp(mandatory, "finishings") && 2676 strcmp(mandatory, "job-account-id") && 2677 strcmp(mandatory, "job-accounting-user-id") && 2678 strcmp(mandatory, "job-password") && 2679 strcmp(mandatory, "job-password-encryption") && 2680 strcmp(mandatory, "media") && 2681 strncmp(mandatory, "media-col", 9) && 2682 strcmp(mandatory, "multiple-document-handling") && 2683 strcmp(mandatory, "output-bin") && 2684 strcmp(mandatory, "print-color-mode") && 2685 strcmp(mandatory, "print-quality") && 2686 strcmp(mandatory, "sides") && 2687 (keyword = cupsGetOption(mandatory, num_options, options)) != NULL) 2688 { 2689 _ipp_option_t *opt = _ippFindOption(mandatory); 2690 /* Option type */ 2691 ipp_tag_t value_tag = opt ? opt->value_tag : IPP_TAG_NAME; 2692 /* Value type */ 2693 2694 switch (value_tag) 2695 { 2696 case IPP_TAG_INTEGER : 2697 case IPP_TAG_ENUM : 2698 ippAddInteger(request, IPP_TAG_JOB, value_tag, mandatory, 2699 atoi(keyword)); 2700 break; 2701 case IPP_TAG_BOOLEAN : 2702 ippAddBoolean(request, IPP_TAG_JOB, mandatory, 2703 !_cups_strcasecmp(keyword, "true")); 2704 break; 2705 case IPP_TAG_RANGE : 2706 { 2707 int lower, upper; /* Range */ 2708 2709 if (sscanf(keyword, "%d-%d", &lower, &upper) != 2) 2710 lower = upper = atoi(keyword); 2711 2712 ippAddRange(request, IPP_TAG_JOB, mandatory, lower, upper); 2713 } 2714 break; 2715 case IPP_TAG_STRING : 2716 ippAddOctetString(request, IPP_TAG_JOB, mandatory, keyword, (int)strlen(keyword)); 2717 break; 2718 default : 2719 if (!strcmp(mandatory, "print-color-mode") && !strcmp(keyword, "monochrome")) 2720 { 2721 if (ippContainsString(print_color_mode_sup, "auto-monochrome")) 2722 keyword = "auto-monochrome"; 2723 else if (ippContainsString(print_color_mode_sup, "process-monochrome") && !ippContainsString(print_color_mode_sup, "monochrome")) 2724 keyword = "process-monochrome"; 2725 } 2726 2727 ippAddString(request, IPP_TAG_JOB, value_tag, mandatory, 2728 NULL, keyword); 2729 break; 2730 } 2731 } 2732 } 2733 2734 if ((keyword = cupsGetOption("PageSize", num_options, options)) == NULL) 2735 keyword = cupsGetOption("media", num_options, options); 2736 2737 if ((size = _ppdCacheGetSize(pc, keyword)) != NULL) 2738 { 2739 /* 2740 * Add a media-col value... 2741 */ 2742 2743 media_size = ippNew(); 2744 ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2745 "x-dimension", size->width); 2746 ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2747 "y-dimension", size->length); 2748 2749 media_col = ippNew(); 2750 ippAddCollection(media_col, IPP_TAG_ZERO, "media-size", media_size); 2751 2752 media_source = _ppdCacheGetSource(pc, cupsGetOption("InputSlot", 2753 num_options, 2754 options)); 2755 media_type = _ppdCacheGetType(pc, cupsGetOption("MediaType", 2756 num_options, 2757 options)); 2758 2759 for (i = 0; i < media_col_sup->num_values; i ++) 2760 { 2761 if (!strcmp(media_col_sup->values[i].string.text, 2762 "media-left-margin")) 2763 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2764 "media-left-margin", size->left); 2765 else if (!strcmp(media_col_sup->values[i].string.text, 2766 "media-bottom-margin")) 2767 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2768 "media-bottom-margin", size->bottom); 2769 else if (!strcmp(media_col_sup->values[i].string.text, 2770 "media-right-margin")) 2771 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2772 "media-right-margin", size->right); 2773 else if (!strcmp(media_col_sup->values[i].string.text, 2774 "media-top-margin")) 2775 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER, 2776 "media-top-margin", size->top); 2777 else if (!strcmp(media_col_sup->values[i].string.text, 2778 "media-source") && media_source) 2779 ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD, 2780 "media-source", NULL, media_source); 2781 else if (!strcmp(media_col_sup->values[i].string.text, 2782 "media-type") && media_type) 2783 ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD, 2784 "media-type", NULL, media_type); 2785 } 2786 2787 ippAddCollection(request, IPP_TAG_JOB, "media-col", media_col); 2788 } 2789 2790 if ((keyword = cupsGetOption("output-bin", num_options, 2791 options)) == NULL) 2792 { 2793 if ((choice = ppdFindMarkedChoice(ppd, "OutputBin")) != NULL) 2794 keyword = _ppdCacheGetBin(pc, choice->choice); 2795 } 2796 2797 if (keyword) 2798 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "output-bin", 2799 NULL, keyword); 2800 2801 color_attr_name = print_color_mode_sup ? "print-color-mode" : "output-mode"; 2802 2803 if ((keyword = cupsGetOption("print-color-mode", num_options, 2804 options)) == NULL) 2805 { 2806 if ((choice = ppdFindMarkedChoice(ppd, "ColorModel")) != NULL) 2807 { 2808 if (!_cups_strcasecmp(choice->choice, "Gray")) 2809 keyword = "monochrome"; 2810 else 2811 keyword = "color"; 2812 } 2813 } 2814 2815 if (keyword && !strcmp(keyword, "monochrome")) 2816 { 2817 if (ippContainsString(print_color_mode_sup, "auto-monochrome")) 2818 keyword = "auto-monochrome"; 2819 else if (ippContainsString(print_color_mode_sup, "process-monochrome") && !ippContainsString(print_color_mode_sup, "monochrome")) 2820 keyword = "process-monochrome"; 2821 } 2822 2823 if (keyword) 2824 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, color_attr_name, 2825 NULL, keyword); 2826 2827 if ((keyword = cupsGetOption("print-quality", num_options, 2828 options)) != NULL) 2829 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality", 2830 atoi(keyword)); 2831 else if ((choice = ppdFindMarkedChoice(ppd, "cupsPrintQuality")) != NULL) 2832 { 2833 if (!_cups_strcasecmp(choice->choice, "draft")) 2834 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality", 2835 IPP_QUALITY_DRAFT); 2836 else if (!_cups_strcasecmp(choice->choice, "normal")) 2837 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality", 2838 IPP_QUALITY_NORMAL); 2839 else if (!_cups_strcasecmp(choice->choice, "high")) 2840 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality", 2841 IPP_QUALITY_HIGH); 2842 } 2843 2844 if ((keyword = cupsGetOption("sides", num_options, options)) != NULL) 2845 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides", 2846 NULL, keyword); 2847 else if (pc->sides_option && 2848 (choice = ppdFindMarkedChoice(ppd, pc->sides_option)) != NULL) 2849 { 2850 if (!_cups_strcasecmp(choice->choice, pc->sides_1sided)) 2851 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides", 2852 NULL, "one-sided"); 2853 else if (!_cups_strcasecmp(choice->choice, pc->sides_2sided_long)) 2854 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides", 2855 NULL, "two-sided-long-edge"); 2856 if (!_cups_strcasecmp(choice->choice, pc->sides_2sided_short)) 2857 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides", 2858 NULL, "two-sided-short-edge"); 2859 } 2860 2861 if ((keyword = cupsGetOption("multiple-document-handling", 2862 num_options, options)) != NULL) 2863 { 2864 if (strstr(keyword, "uncollated")) 2865 keyword = "false"; 2866 else 2867 keyword = "true"; 2868 } 2869 else if ((keyword = cupsGetOption("collate", num_options, 2870 options)) == NULL) 2871 keyword = "true"; 2872 2873 if (format) 2874 { 2875 if (!_cups_strcasecmp(format, "image/gif") || 2876 !_cups_strcasecmp(format, "image/jp2") || 2877 !_cups_strcasecmp(format, "image/jpeg") || 2878 !_cups_strcasecmp(format, "image/png") || 2879 !_cups_strcasecmp(format, "image/tiff") || 2880 !_cups_strncasecmp(format, "image/x-", 8)) 2881 { 2882 /* 2883 * Collation makes no sense for single page image formats... 2884 */ 2885 2886 keyword = "false"; 2887 } 2888 else if (!_cups_strncasecmp(format, "image/", 6) || 2889 !_cups_strcasecmp(format, "application/vnd.cups-raster")) 2890 { 2891 /* 2892 * Multi-page image formats will have copies applied by the upstream 2893 * filters... 2894 */ 2895 2896 copies = 1; 2897 } 2898 } 2899 2900 if (doc_handling_sup) 2901 { 2902 if (!_cups_strcasecmp(keyword, "true")) 2903 collate_str = "separate-documents-collated-copies"; 2904 else 2905 collate_str = "separate-documents-uncollated-copies"; 2906 2907 for (i = 0; i < doc_handling_sup->num_values; i ++) 2908 if (!strcmp(doc_handling_sup->values[i].string.text, collate_str)) 2909 { 2910 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, 2911 "multiple-document-handling", NULL, collate_str); 2912 break; 2913 } 2914 2915 if (i >= doc_handling_sup->num_values) 2916 copies = 1; 2917 } 2918 2919 /* 2920 * Map finishing options... 2921 */ 2922 2923 num_finishings = _ppdCacheGetFinishingValues(pc, num_options, options, 2924 (int)(sizeof(finishings) / 2925 sizeof(finishings[0])), 2926 finishings); 2927 if (num_finishings > 0) 2928 ippAddIntegers(request, IPP_TAG_JOB, IPP_TAG_ENUM, "finishings", 2929 num_finishings, finishings); 2930 2931 /* 2932 * Map FaxOut options... 2933 */ 2934 2935 if ((keyword = cupsGetOption("phone", num_options, options)) != NULL) 2936 { 2937 ipp_t *destination; /* destination collection */ 2938 char phone[1024], /* Phone number string */ 2939 *ptr, /* Pointer into string */ 2940 tel_uri[1024]; /* tel: URI */ 2941 static const char * const allowed = "0123456789#*-+.()"; 2942 /* Allowed characters */ 2943 2944 destination = ippNew(); 2945 2946 /* 2947 * Unescape and filter out spaces and other characters that are not 2948 * allowed in a tel: URI. 2949 */ 2950 2951 _httpDecodeURI(phone, keyword, sizeof(phone)); 2952 for (ptr = phone; *ptr;) 2953 { 2954 if (!strchr(allowed, *ptr)) 2955 _cups_strcpy(ptr, ptr + 1); 2956 else 2957 ptr ++; 2958 } 2959 2960 httpAssembleURI(HTTP_URI_CODING_ALL, tel_uri, sizeof(tel_uri), "tel", NULL, NULL, 0, phone); 2961 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_URI, "destination-uri", NULL, tel_uri); 2962 2963 if ((keyword = cupsGetOption("faxPrefix", num_options, 2964 options)) != NULL && *keyword) 2965 { 2966 char predial[1024]; /* Pre-dial string */ 2967 2968 _httpDecodeURI(predial, keyword, sizeof(predial)); 2969 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_TEXT, "pre-dial-string", NULL, predial); 2970 } 2971 2972 ippAddCollection(request, IPP_TAG_JOB, "destination-uris", destination); 2973 ippDelete(destination); 2974 } 2975 } 2976 else 2977 { 2978 /* 2979 * When talking to another CUPS server, send all options... 2980 */ 2981 2982 fputs("DEBUG: Adding all operation/job attributes.\n", stderr); 2983 cupsEncodeOptions2(request, num_options, options, IPP_TAG_OPERATION); 2984 cupsEncodeOptions2(request, num_options, options, IPP_TAG_JOB); 2985 } 2986 2987 if (copies > 1 && (!pc || copies <= pc->max_copies)) 2988 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", copies); 2989 } 2990 2991 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, 2992 ippOpString(ippGetOperation(request)), ippGetRequestId(request)); 2993 for (group = IPP_TAG_ZERO, attr = ippFirstAttribute(request); 2994 attr; 2995 attr = ippNextAttribute(request)) 2996 { 2997 const char *name = ippGetName(attr); 2998 2999 if (!name) 3000 { 3001 group = IPP_TAG_ZERO; 3002 continue; 3003 } 3004 3005 if (group != ippGetGroupTag(attr)) 3006 { 3007 group = ippGetGroupTag(attr); 3008 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(group)); 3009 } 3010 3011 ippAttributeString(attr, buffer, sizeof(buffer)); 3012 fprintf(stderr, "DEBUG: %s %s%s %s\n", name, 3013 ippGetCount(attr) > 1 ? "1setOf " : "", 3014 ippTagString(ippGetValueTag(attr)), buffer); 3015 } 3016 3017 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(IPP_TAG_END)); 3018 3019 return (request); 3020} 3021 3022 3023/* 3024 * 'password_cb()' - Disable the password prompt for cupsDoFileRequest(). 3025 */ 3026 3027static const char * /* O - Password */ 3028password_cb(const char *prompt, /* I - Prompt (not used) */ 3029 http_t *http, /* I - Connection */ 3030 const char *method, /* I - Request method (not used) */ 3031 const char *resource, /* I - Resource path (not used) */ 3032 int *password_tries) /* I - Password tries */ 3033{ 3034 char def_username[HTTP_MAX_VALUE]; /* Default username */ 3035 3036 3037 fprintf(stderr, "DEBUG: password_cb(prompt=\"%s\", http=%p, method=\"%s\", " 3038 "resource=\"%s\", password_tries=%p(%d)), password=%p\n", 3039 prompt, http, method, resource, password_tries, *password_tries, 3040 password); 3041 3042 (void)prompt; 3043 (void)method; 3044 (void)resource; 3045 3046 if (!uri_credentials) 3047 { 3048 /* 3049 * Remember that we need to authenticate... 3050 */ 3051 3052 auth_info_required = "username,password"; 3053 3054 if (httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "username", 3055 def_username)) 3056 { 3057 char quoted[HTTP_MAX_VALUE * 2 + 4]; 3058 /* Quoted string */ 3059 3060 fprintf(stderr, "ATTR: auth-info-default=%s,\n", 3061 quote_string(def_username, quoted, sizeof(quoted))); 3062 } 3063 } 3064 3065 if (password && *password && *password_tries < 3) 3066 { 3067 (*password_tries) ++; 3068 3069 cupsSetUser(username); 3070 3071 return (password); 3072 } 3073 else 3074 { 3075 /* 3076 * Give up after 3 tries or if we don't have a password to begin with... 3077 */ 3078 3079 return (NULL); 3080 } 3081} 3082 3083 3084/* 3085 * 'quote_string()' - Quote a string value. 3086 */ 3087 3088static const char * /* O - Quoted string */ 3089quote_string(const char *s, /* I - String */ 3090 char *q, /* I - Quoted string buffer */ 3091 size_t qsize) /* I - Size of quoted string buffer */ 3092{ 3093 char *qptr, /* Pointer into string buffer */ 3094 *qend; /* End of string buffer */ 3095 3096 3097 qptr = q; 3098 qend = q + qsize - 5; 3099 3100 if (qend < q) 3101 { 3102 *q = '\0'; 3103 return (q); 3104 } 3105 3106 *qptr++ = '\''; 3107 *qptr++ = '\"'; 3108 3109 while (*s && qptr < qend) 3110 { 3111 if (*s == '\\' || *s == '\"' || *s == '\'') 3112 { 3113 if (qptr < (qend - 4)) 3114 { 3115 *qptr++ = '\\'; 3116 *qptr++ = '\\'; 3117 *qptr++ = '\\'; 3118 } 3119 else 3120 break; 3121 } 3122 3123 *qptr++ = *s++; 3124 } 3125 3126 *qptr++ = '\"'; 3127 *qptr++ = '\''; 3128 *qptr = '\0'; 3129 3130 return (q); 3131} 3132 3133 3134/* 3135 * 'report_attr()' - Report an IPP attribute value. 3136 */ 3137 3138static void 3139report_attr(ipp_attribute_t *attr) /* I - Attribute */ 3140{ 3141 int i; /* Looping var */ 3142 char value[1024], /* Value string */ 3143 *valptr; /* Pointer into value string */ 3144 const char *cached; /* Cached attribute */ 3145 3146 3147 /* 3148 * Convert the attribute values into quoted strings... 3149 */ 3150 3151 for (i = 0, valptr = value; 3152 i < attr->num_values && valptr < (value + sizeof(value) - 10); 3153 i ++) 3154 { 3155 if (i > 0) 3156 *valptr++ = ','; 3157 3158 switch (attr->value_tag) 3159 { 3160 case IPP_TAG_INTEGER : 3161 case IPP_TAG_ENUM : 3162 snprintf(valptr, sizeof(value) - (size_t)(valptr - value), "%d", attr->values[i].integer); 3163 valptr += strlen(valptr); 3164 break; 3165 3166 case IPP_TAG_TEXT : 3167 case IPP_TAG_NAME : 3168 case IPP_TAG_KEYWORD : 3169 quote_string(attr->values[i].string.text, valptr, (size_t)(value + sizeof(value) - valptr)); 3170 valptr += strlen(valptr); 3171 break; 3172 3173 default : 3174 /* 3175 * Unsupported value type... 3176 */ 3177 3178 return; 3179 } 3180 } 3181 3182 *valptr = '\0'; 3183 3184 _cupsMutexLock(&report_mutex); 3185 3186 if ((cached = cupsGetOption(attr->name, num_attr_cache, 3187 attr_cache)) == NULL || strcmp(cached, value)) 3188 { 3189 /* 3190 * Tell the scheduler about the new values... 3191 */ 3192 3193 num_attr_cache = cupsAddOption(attr->name, value, num_attr_cache, 3194 &attr_cache); 3195 fprintf(stderr, "ATTR: %s=%s\n", attr->name, value); 3196 } 3197 3198 _cupsMutexUnlock(&report_mutex); 3199} 3200 3201 3202/* 3203 * 'report_printer_state()' - Report the printer state. 3204 */ 3205 3206static void 3207report_printer_state(ipp_t *ipp) /* I - IPP response */ 3208{ 3209 ipp_attribute_t *pa, /* printer-alert */ 3210 *pam, /* printer-alert-message */ 3211 *psm, /* printer-state-message */ 3212 *reasons, /* printer-state-reasons */ 3213 *marker; /* marker-* attributes */ 3214 char value[1024], /* State/message string */ 3215 *valptr; /* Pointer into string */ 3216 static int ipp_supplies = -1; 3217 /* Report supply levels? */ 3218 3219 3220 /* 3221 * Report alerts and messages... 3222 */ 3223 3224 if ((pa = ippFindAttribute(ipp, "printer-alert", IPP_TAG_TEXT)) != NULL) 3225 report_attr(pa); 3226 3227 if ((pam = ippFindAttribute(ipp, "printer-alert-message", 3228 IPP_TAG_TEXT)) != NULL) 3229 report_attr(pam); 3230 3231 if ((psm = ippFindAttribute(ipp, "printer-state-message", 3232 IPP_TAG_TEXT)) != NULL) 3233 { 3234 char *ptr; /* Pointer into message */ 3235 3236 3237 strlcpy(value, "INFO: ", sizeof(value)); 3238 for (ptr = psm->values[0].string.text, valptr = value + 6; 3239 *ptr && valptr < (value + sizeof(value) - 6); 3240 ptr ++) 3241 { 3242 if (*ptr < ' ' && *ptr > 0 && *ptr != '\t') 3243 { 3244 /* 3245 * Substitute "<XX>" for the control character; sprintf is safe because 3246 * we always leave 6 chars free at the end... 3247 */ 3248 3249 sprintf(valptr, "<%02X>", *ptr); 3250 valptr += 4; 3251 } 3252 else 3253 *valptr++ = *ptr; 3254 } 3255 3256 *valptr++ = '\n'; 3257 *valptr = '\0'; 3258 3259 fputs(value, stderr); 3260 } 3261 3262 /* 3263 * Now report printer-state-reasons, filtering out some of the reasons we never 3264 * want to set... 3265 */ 3266 3267 if ((reasons = ippFindAttribute(ipp, "printer-state-reasons", 3268 IPP_TAG_KEYWORD)) == NULL) 3269 return; 3270 3271 update_reasons(reasons, NULL); 3272 3273 /* 3274 * Relay the current marker-* attribute values... 3275 */ 3276 3277 if (ipp_supplies < 0) 3278 { 3279 ppd_file_t *ppd; /* PPD file */ 3280 ppd_attr_t *ppdattr; /* Attribute in PPD file */ 3281 3282 if ((ppd = ppdOpenFile(getenv("PPD"))) != NULL && 3283 (ppdattr = ppdFindAttr(ppd, "cupsIPPSupplies", NULL)) != NULL && 3284 ppdattr->value && _cups_strcasecmp(ppdattr->value, "true")) 3285 ipp_supplies = 0; 3286 else 3287 ipp_supplies = 1; 3288 3289 ppdClose(ppd); 3290 } 3291 3292 if (ipp_supplies > 0) 3293 { 3294 if ((marker = ippFindAttribute(ipp, "marker-colors", IPP_TAG_NAME)) != NULL) 3295 report_attr(marker); 3296 if ((marker = ippFindAttribute(ipp, "marker-high-levels", 3297 IPP_TAG_INTEGER)) != NULL) 3298 report_attr(marker); 3299 if ((marker = ippFindAttribute(ipp, "marker-levels", 3300 IPP_TAG_INTEGER)) != NULL) 3301 report_attr(marker); 3302 if ((marker = ippFindAttribute(ipp, "marker-low-levels", 3303 IPP_TAG_INTEGER)) != NULL) 3304 report_attr(marker); 3305 if ((marker = ippFindAttribute(ipp, "marker-message", 3306 IPP_TAG_TEXT)) != NULL) 3307 report_attr(marker); 3308 if ((marker = ippFindAttribute(ipp, "marker-names", IPP_TAG_NAME)) != NULL) 3309 report_attr(marker); 3310 if ((marker = ippFindAttribute(ipp, "marker-types", 3311 IPP_TAG_KEYWORD)) != NULL) 3312 report_attr(marker); 3313 } 3314} 3315 3316 3317#if defined(HAVE_GSSAPI) && defined(HAVE_XPC) 3318/* 3319 * 'run_as_user()' - Run the IPP backend as the printing user. 3320 * 3321 * This function uses an XPC-based user agent to run the backend as the printing 3322 * user. We need to do this in order to have access to the user's Kerberos 3323 * credentials. 3324 */ 3325 3326static int /* O - Exit status */ 3327run_as_user(char *argv[], /* I - Command-line arguments */ 3328 uid_t uid, /* I - User ID */ 3329 const char *device_uri, /* I - Device URI */ 3330 int fd) /* I - File to print */ 3331{ 3332 const char *auth_negotiate;/* AUTH_NEGOTIATE env var */ 3333 xpc_connection_t conn; /* Connection to XPC service */ 3334 xpc_object_t request; /* Request message dictionary */ 3335 __block xpc_object_t response; /* Response message dictionary */ 3336 dispatch_semaphore_t sem; /* Semaphore for waiting for response */ 3337 int status = CUPS_BACKEND_FAILED; 3338 /* Status of request */ 3339 3340 3341 fprintf(stderr, "DEBUG: Running IPP backend as UID %d.\n", (int)uid); 3342 3343 /* 3344 * Connect to the user agent for the specified UID... 3345 */ 3346 3347 conn = xpc_connection_create_mach_service(kPMPrintUIToolAgent, 3348 dispatch_get_global_queue(0, 0), 0); 3349 if (!conn) 3350 { 3351 _cupsLangPrintFilter(stderr, "ERROR", 3352 _("Unable to start backend process.")); 3353 fputs("DEBUG: Unable to create connection to agent.\n", stderr); 3354 goto cleanup; 3355 } 3356 3357 xpc_connection_set_event_handler(conn, 3358 ^(xpc_object_t event) 3359 { 3360 xpc_type_t messageType = xpc_get_type(event); 3361 3362 if (messageType == XPC_TYPE_ERROR) 3363 { 3364 if (event == XPC_ERROR_CONNECTION_INTERRUPTED) 3365 fprintf(stderr, "DEBUG: Interrupted connection to service %s.\n", 3366 xpc_connection_get_name(conn)); 3367 else if (event == XPC_ERROR_CONNECTION_INVALID) 3368 fprintf(stderr, "DEBUG: Connection invalid for service %s.\n", 3369 xpc_connection_get_name(conn)); 3370 else 3371 fprintf(stderr, "DEBUG: Unxpected error for service %s: %s\n", 3372 xpc_connection_get_name(conn), 3373 xpc_dictionary_get_string(event, XPC_ERROR_KEY_DESCRIPTION)); 3374 } 3375 }); 3376 xpc_connection_set_target_uid(conn, uid); 3377 xpc_connection_resume(conn); 3378 3379 /* 3380 * Try starting the backend... 3381 */ 3382 3383 request = xpc_dictionary_create(NULL, NULL, 0); 3384 xpc_dictionary_set_int64(request, "command", kPMStartJob); 3385 xpc_dictionary_set_string(request, "device-uri", device_uri); 3386 xpc_dictionary_set_string(request, "job-id", argv[1]); 3387 xpc_dictionary_set_string(request, "user", argv[2]); 3388 xpc_dictionary_set_string(request, "title", argv[3]); 3389 xpc_dictionary_set_string(request, "copies", argv[4]); 3390 xpc_dictionary_set_string(request, "options", argv[5]); 3391 xpc_dictionary_set_string(request, "auth-info-required", 3392 getenv("AUTH_INFO_REQUIRED")); 3393 if ((auth_negotiate = getenv("AUTH_NEGOTIATE")) != NULL) 3394 xpc_dictionary_set_string(request, "auth-negotiate", auth_negotiate); 3395 xpc_dictionary_set_fd(request, "stdin", fd); 3396 xpc_dictionary_set_fd(request, "stderr", 2); 3397 xpc_dictionary_set_fd(request, "side-channel", CUPS_SC_FD); 3398 3399 sem = dispatch_semaphore_create(0); 3400 response = NULL; 3401 3402 xpc_connection_send_message_with_reply(conn, request, 3403 dispatch_get_global_queue(0,0), 3404 ^(xpc_object_t reply) 3405 { 3406 /* Save the response and wake up */ 3407 if (xpc_get_type(reply) 3408 == XPC_TYPE_DICTIONARY) 3409 response = xpc_retain(reply); 3410 3411 dispatch_semaphore_signal(sem); 3412 }); 3413 3414 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER); 3415 xpc_release(request); 3416 dispatch_release(sem); 3417 3418 if (response) 3419 { 3420 child_pid = (pid_t)xpc_dictionary_get_int64(response, "child-pid"); 3421 3422 xpc_release(response); 3423 3424 if (child_pid) 3425 fprintf(stderr, "DEBUG: Child PID=%d.\n", (int)child_pid); 3426 else 3427 { 3428 _cupsLangPrintFilter(stderr, "ERROR", 3429 _("Unable to start backend process.")); 3430 fputs("DEBUG: No child PID.\n", stderr); 3431 goto cleanup; 3432 } 3433 } 3434 else 3435 { 3436 _cupsLangPrintFilter(stderr, "ERROR", 3437 _("Unable to start backend process.")); 3438 fputs("DEBUG: No reply from agent.\n", stderr); 3439 goto cleanup; 3440 } 3441 3442 /* 3443 * Then wait for the backend to finish... 3444 */ 3445 3446 request = xpc_dictionary_create(NULL, NULL, 0); 3447 xpc_dictionary_set_int64(request, "command", kPMWaitForJob); 3448 xpc_dictionary_set_fd(request, "stderr", 2); 3449 3450 sem = dispatch_semaphore_create(0); 3451 response = NULL; 3452 3453 xpc_connection_send_message_with_reply(conn, request, 3454 dispatch_get_global_queue(0,0), 3455 ^(xpc_object_t reply) 3456 { 3457 /* Save the response and wake up */ 3458 if (xpc_get_type(reply) 3459 == XPC_TYPE_DICTIONARY) 3460 response = xpc_retain(reply); 3461 3462 dispatch_semaphore_signal(sem); 3463 }); 3464 3465 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER); 3466 xpc_release(request); 3467 dispatch_release(sem); 3468 3469 if (response) 3470 { 3471 status = (int)xpc_dictionary_get_int64(response, "status"); 3472 3473 if (status == SIGTERM || status == SIGKILL || status == SIGPIPE) 3474 { 3475 fprintf(stderr, "DEBUG: Child terminated on signal %d.\n", status); 3476 status = CUPS_BACKEND_FAILED; 3477 } 3478 else if (WIFSIGNALED(status)) 3479 { 3480 fprintf(stderr, "DEBUG: Child crashed on signal %d.\n", status); 3481 status = CUPS_BACKEND_STOP; 3482 } 3483 else if (WIFEXITED(status)) 3484 { 3485 status = WEXITSTATUS(status); 3486 fprintf(stderr, "DEBUG: Child exited with status %d.\n", status); 3487 } 3488 3489 xpc_release(response); 3490 } 3491 else 3492 _cupsLangPrintFilter(stderr, "ERROR", 3493 _("Unable to get backend exit status.")); 3494 3495 cleanup: 3496 3497 if (conn) 3498 { 3499 xpc_connection_cancel(conn); 3500 xpc_release(conn); 3501 } 3502 3503 return (status); 3504} 3505#endif /* HAVE_GSSAPI && HAVE_XPC */ 3506 3507 3508/* 3509 * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend. 3510 */ 3511 3512static void 3513sigterm_handler(int sig) /* I - Signal */ 3514{ 3515 (void)sig; /* remove compiler warnings... */ 3516 3517 write(2, "DEBUG: Got SIGTERM.\n", 20); 3518 3519#if defined(HAVE_GSSAPI) && defined(HAVE_XPC) 3520 if (child_pid) 3521 { 3522 kill(child_pid, sig); 3523 child_pid = 0; 3524 } 3525#endif /* HAVE_GSSAPI && HAVE_XPC */ 3526 3527 if (!job_canceled) 3528 { 3529 /* 3530 * Flag that the job should be canceled... 3531 */ 3532 3533 write(2, "DEBUG: job_canceled = 1.\n", 25); 3534 3535 job_canceled = 1; 3536 return; 3537 } 3538 3539 /* 3540 * The scheduler already tried to cancel us once, now just terminate 3541 * after removing our temp file! 3542 */ 3543 3544 if (tmpfilename[0]) 3545 unlink(tmpfilename); 3546 3547 exit(1); 3548} 3549 3550 3551/* 3552 * 'timeout_cb()' - Handle HTTP timeouts. 3553 */ 3554 3555static int /* O - 1 to continue, 0 to cancel */ 3556timeout_cb(http_t *http, /* I - Connection to server (unused) */ 3557 void *user_data) /* I - User data (unused) */ 3558{ 3559 (void)http; 3560 (void)user_data; 3561 3562 return (!job_canceled); 3563} 3564 3565 3566/* 3567 * 'update_reasons()' - Update the printer-state-reasons values. 3568 */ 3569 3570static void 3571update_reasons(ipp_attribute_t *attr, /* I - printer-state-reasons or NULL */ 3572 const char *s) /* I - STATE: string or NULL */ 3573{ 3574 char op; /* Add (+), remove (-), replace (\0) */ 3575 cups_array_t *new_reasons; /* New reasons array */ 3576 char *reason, /* Current reason */ 3577 add[2048], /* Reasons added string */ 3578 *addptr, /* Pointer into add string */ 3579 rem[2048], /* Reasons removed string */ 3580 *remptr; /* Pointer into remove string */ 3581 const char *addprefix, /* Current add string prefix */ 3582 *remprefix; /* Current remove string prefix */ 3583 3584 3585 fprintf(stderr, "DEBUG: update_reasons(attr=%d(%s%s), s=\"%s\")\n", 3586 attr ? attr->num_values : 0, attr ? attr->values[0].string.text : "", 3587 attr && attr->num_values > 1 ? ",..." : "", s ? s : "(null)"); 3588 3589 /* 3590 * Create an array of new reason keyword strings... 3591 */ 3592 3593 if (attr) 3594 { 3595 int i; /* Looping var */ 3596 3597 new_reasons = cupsArrayNew((cups_array_func_t)strcmp, NULL); 3598 op = '\0'; 3599 3600 for (i = 0; i < attr->num_values; i ++) 3601 { 3602 reason = attr->values[i].string.text; 3603 3604 if (strcmp(reason, "none") && 3605 strcmp(reason, "none-report") && 3606 strcmp(reason, "paused") && 3607 strncmp(reason, "spool-area-full", 15) && 3608 strcmp(reason, "com.apple.print.recoverable-warning") && 3609 strncmp(reason, "cups-", 5)) 3610 cupsArrayAdd(new_reasons, reason); 3611 } 3612 } 3613 else if (s) 3614 { 3615 if (*s == '+' || *s == '-') 3616 op = *s++; 3617 else 3618 op = '\0'; 3619 3620 new_reasons = _cupsArrayNewStrings(s, ','); 3621 } 3622 else 3623 return; 3624 3625 /* 3626 * Compute the changes... 3627 */ 3628 3629 add[0] = '\0'; 3630 addprefix = "STATE: +"; 3631 addptr = add; 3632 rem[0] = '\0'; 3633 remprefix = "STATE: -"; 3634 remptr = rem; 3635 3636 fprintf(stderr, "DEBUG2: op='%c', new_reasons=%d, state_reasons=%d\n", 3637 op ? op : ' ', cupsArrayCount(new_reasons), 3638 cupsArrayCount(state_reasons)); 3639 3640 _cupsMutexLock(&report_mutex); 3641 3642 if (op == '+') 3643 { 3644 /* 3645 * Add reasons... 3646 */ 3647 3648 for (reason = (char *)cupsArrayFirst(new_reasons); 3649 reason; 3650 reason = (char *)cupsArrayNext(new_reasons)) 3651 { 3652 if (!cupsArrayFind(state_reasons, reason)) 3653 { 3654 if (!strncmp(reason, "cups-remote-", 12)) 3655 { 3656 /* 3657 * If we are setting cups-remote-xxx, remove all other cups-remote-xxx 3658 * keywords... 3659 */ 3660 3661 char *temp; /* Current reason in state_reasons */ 3662 3663 cupsArraySave(state_reasons); 3664 3665 for (temp = (char *)cupsArrayFirst(state_reasons); 3666 temp; 3667 temp = (char *)cupsArrayNext(state_reasons)) 3668 if (!strncmp(temp, "cups-remote-", 12)) 3669 { 3670 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, temp); 3671 remptr += strlen(remptr); 3672 remprefix = ","; 3673 3674 cupsArrayRemove(state_reasons, temp); 3675 break; 3676 } 3677 3678 cupsArrayRestore(state_reasons); 3679 } 3680 3681 cupsArrayAdd(state_reasons, reason); 3682 3683 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason); 3684 addptr += strlen(addptr); 3685 addprefix = ","; 3686 } 3687 } 3688 } 3689 else if (op == '-') 3690 { 3691 /* 3692 * Remove reasons... 3693 */ 3694 3695 for (reason = (char *)cupsArrayFirst(new_reasons); 3696 reason; 3697 reason = (char *)cupsArrayNext(new_reasons)) 3698 { 3699 if (cupsArrayFind(state_reasons, reason)) 3700 { 3701 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason); 3702 remptr += strlen(remptr); 3703 remprefix = ","; 3704 3705 cupsArrayRemove(state_reasons, reason); 3706 } 3707 } 3708 } 3709 else 3710 { 3711 /* 3712 * Replace reasons... 3713 */ 3714 3715 for (reason = (char *)cupsArrayFirst(state_reasons); 3716 reason; 3717 reason = (char *)cupsArrayNext(state_reasons)) 3718 { 3719 if (strncmp(reason, "cups-", 5) && !cupsArrayFind(new_reasons, reason)) 3720 { 3721 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason); 3722 remptr += strlen(remptr); 3723 remprefix = ","; 3724 3725 cupsArrayRemove(state_reasons, reason); 3726 } 3727 } 3728 3729 for (reason = (char *)cupsArrayFirst(new_reasons); 3730 reason; 3731 reason = (char *)cupsArrayNext(new_reasons)) 3732 { 3733 if (!cupsArrayFind(state_reasons, reason)) 3734 { 3735 cupsArrayAdd(state_reasons, reason); 3736 3737 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason); 3738 addptr += strlen(addptr); 3739 addprefix = ","; 3740 } 3741 } 3742 } 3743 3744 _cupsMutexUnlock(&report_mutex); 3745 3746 /* 3747 * Report changes and return... 3748 */ 3749 3750 if (add[0] && rem[0]) 3751 fprintf(stderr, "%s\n%s\n", add, rem); 3752 else if (add[0]) 3753 fprintf(stderr, "%s\n", add); 3754 else if (rem[0]) 3755 fprintf(stderr, "%s\n", rem); 3756} 3757 3758/* 3759 * End of "$Id: ipp.c 12078 2014-07-31 11:45:57Z msweet $". 3760 */ 3761