2 * IPP backend for CUPS.
4 * Copyright 2007-2016 by Apple Inc.
5 * Copyright 1997-2007 by Easy Software Products, all rights reserved.
7 * These coded instructions, statements, and computer programs are the
8 * property of Apple Inc. and are protected by Federal copyright
9 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
10 * "LICENSE" which should have been included with this file. If this
11 * file is missing or damaged, see the license at "http://www.cups.org/".
13 * This file is subject to the Apple OS-Developed Software exception.
17 * Include necessary headers.
20 #include "backend-private.h"
21 #include <cups/ppd-private.h>
22 #include <cups/array-private.h>
23 #include <sys/types.h>
26 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
28 # define kPMPrintUIToolAgent "com.apple.printuitool.agent"
29 # define kPMStartJob 100
30 # define kPMWaitForJob 101
31 # ifdef HAVE_XPC_PRIVATE_H
32 # include <xpc/private.h>
34 extern void xpc_connection_set_target_uid(xpc_connection_t connection
,
36 # endif /* HAVE_XPC_PRIVATE_H */
37 #endif /* HAVE_GSSAPI && HAVE_XPC */
41 * Bits for job-state-reasons we care about...
44 #define _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED 0x01
45 #define _CUPS_JSR_ACCOUNT_CLOSED 0x02
46 #define _CUPS_JSR_ACCOUNT_INFO_NEEDED 0x04
47 #define _CUPS_JSR_ACCOUNT_LIMIT_REACHED 0x08
48 #define _CUPS_JSR_JOB_PASSWORD_WAIT 0x10
49 #define _CUPS_JSR_JOB_RELEASE_WAIT 0x20
56 typedef struct _cups_monitor_s
/**** Monitoring data ****/
58 const char *uri
, /* Printer URI */
59 *hostname
, /* Hostname */
61 *resource
; /* Resource path */
62 int port
, /* Port number */
63 version
, /* IPP version */
64 job_id
, /* Job ID for submitted job */
65 job_reasons
, /* Job state reasons bits */
66 create_job
, /* Support Create-Job? */
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 */
79 static const char *auth_info_required
;
80 /* New auth-info-required value */
81 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
82 static pid_t child_pid
= 0; /* Child process ID */
83 #endif /* HAVE_GSSAPI && HAVE_XPC */
84 static const char * const jattrs
[] = /* Job attributes we want */
87 "job-impressions-completed",
88 "job-media-sheets-completed",
90 "job-originating-user-name",
94 static int job_canceled
= 0,
97 /* Credentials supplied in URI? */
98 static char username
[256] = "",
99 /* Username for device URI */
101 /* Password for device URI */
102 static const char * const pattrs
[] = /* Printer attributes we want */
105 "compression-supported",
106 #endif /* HAVE_LIBZ */
109 "document-format-supported",
110 "job-password-encryption-supported",
112 "marker-high-levels",
118 "media-col-supported",
119 "multiple-document-handling-supported",
120 "operations-supported",
121 "print-color-mode-supported",
123 "printer-alert-description",
124 "printer-is-accepting-jobs",
125 "printer-mandatory-job-attributes",
127 "printer-state-message",
128 "printer-state-reasons"
130 static const char * const remote_job_states
[] =
131 { /* Remote job state keywords */
132 "+cups-remote-pending",
133 "+cups-remote-pending-held",
134 "+cups-remote-processing",
135 "+cups-remote-stopped",
136 "+cups-remote-canceled",
137 "+cups-remote-aborted",
138 "+cups-remote-completed"
140 static _cups_mutex_t report_mutex
= _CUPS_MUTEX_INITIALIZER
;
141 /* Mutex to control access */
142 static int num_attr_cache
= 0;
143 /* Number of cached attributes */
144 static cups_option_t
*attr_cache
= NULL
;
145 /* Cached attributes */
146 static cups_array_t
*state_reasons
; /* Array of printe-state-reasons keywords */
147 static char tmpfilename
[1024] = "";
148 /* Temporary spool file name */
149 static char mandatory_attrs
[1024] = "";
150 /* cupsMandatory value */
157 static void cancel_job(http_t
*http
, const char *uri
, int id
,
158 const char *resource
, const char *user
,
160 static ipp_pstate_t
check_printer_state(http_t
*http
, const char *uri
,
161 const char *resource
,
162 const char *user
, int version
);
163 static void *monitor_printer(_cups_monitor_t
*monitor
);
164 static ipp_t
*new_request(ipp_op_t op
, int version
, const char *uri
,
165 const char *user
, const char *title
,
166 int num_options
, cups_option_t
*options
,
167 const char *compression
, int copies
,
168 const char *format
, _ppd_cache_t
*pc
,
170 ipp_attribute_t
*media_col_sup
,
171 ipp_attribute_t
*doc_handling_sup
,
172 ipp_attribute_t
*print_color_mode_sup
);
173 static const char *password_cb(const char *prompt
, http_t
*http
,
174 const char *method
, const char *resource
,
176 static const char *quote_string(const char *s
, char *q
, size_t qsize
);
177 static void report_attr(ipp_attribute_t
*attr
);
178 static void report_printer_state(ipp_t
*ipp
);
179 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
180 static int run_as_user(char *argv
[], uid_t uid
,
181 const char *device_uri
, int fd
);
182 #endif /* HAVE_GSSAPI && HAVE_XPC */
183 static void sigterm_handler(int sig
);
184 static int timeout_cb(http_t
*http
, void *user_data
);
185 static void update_reasons(ipp_attribute_t
*attr
, const char *s
);
189 * 'main()' - Send a file to the printer or server.
193 * printer-uri job-id user title copies options [file]
196 int /* O - Exit status */
197 main(int argc
, /* I - Number of command-line args */
198 char *argv
[]) /* I - Command-line arguments */
200 int i
; /* Looping var */
201 int send_options
; /* Send job options? */
202 int num_options
; /* Number of printer options */
203 cups_option_t
*options
; /* Printer options */
204 const char *device_uri
; /* Device URI */
205 char scheme
[255], /* Scheme in URI */
206 hostname
[1024], /* Hostname */
207 resource
[1024], /* Resource info (printer name) */
208 addrname
[256], /* Address name */
209 *optptr
, /* Pointer to URI options */
210 *name
, /* Name of option */
211 *value
, /* Value of option */
212 sep
; /* Separator character */
213 int password_tries
= 0; /* Password tries */
214 http_addrlist_t
*addrlist
; /* Address of printer */
215 int snmp_enabled
= 1; /* Is SNMP enabled? */
216 int snmp_fd
, /* SNMP socket */
217 start_count
, /* Page count via SNMP at start */
218 page_count
, /* Page count via SNMP */
219 have_supplies
; /* Printer supports supply levels? */
220 int num_files
; /* Number of files to print */
221 char **files
, /* Files to print */
222 *compatfile
= NULL
; /* Compatibility filename */
223 off_t compatsize
= 0; /* Size of compatibility file */
224 int port
; /* Port number (not used) */
225 char portname
[255]; /* Port name */
226 char uri
[HTTP_MAX_URI
]; /* Updated URI without user/pass */
227 char print_job_name
[1024]; /* Update job-name for Print-Job */
228 http_status_t http_status
; /* Status of HTTP request */
229 ipp_status_t ipp_status
; /* Status of IPP request */
230 http_t
*http
; /* HTTP connection */
231 ipp_t
*request
, /* IPP request */
232 *response
, /* IPP response */
233 *supported
; /* get-printer-attributes response */
234 time_t start_time
; /* Time of first connect */
235 int contimeout
; /* Connection timeout */
236 int delay
, /* Delay for retries */
237 prev_delay
; /* Previous delay */
238 const char *compression
; /* Compression mode */
239 int waitjob
, /* Wait for job complete? */
240 waitjob_tries
= 0, /* Number of times we've waited */
241 waitprinter
; /* Wait for printer ready? */
242 time_t waittime
; /* Wait time for held jobs */
243 _cups_monitor_t monitor
; /* Monitoring data */
244 ipp_attribute_t
*job_id_attr
; /* job-id attribute */
245 int job_id
; /* job-id value */
246 ipp_attribute_t
*job_sheets
; /* job-media-sheets-completed */
247 ipp_attribute_t
*job_state
; /* job-state */
249 ipp_attribute_t
*compression_sup
; /* compression-supported */
250 #endif /* HAVE_LIBZ */
251 ipp_attribute_t
*copies_sup
; /* copies-supported */
252 ipp_attribute_t
*cups_version
; /* cups-version */
253 ipp_attribute_t
*encryption_sup
; /* job-password-encryption-supported */
254 ipp_attribute_t
*format_sup
; /* document-format-supported */
255 ipp_attribute_t
*job_auth
; /* job-authorization-uri */
256 ipp_attribute_t
*media_col_sup
; /* media-col-supported */
257 ipp_attribute_t
*operations_sup
; /* operations-supported */
258 ipp_attribute_t
*doc_handling_sup
; /* multiple-document-handling-supported */
259 ipp_attribute_t
*printer_state
; /* printer-state attribute */
260 ipp_attribute_t
*printer_accepting
; /* printer-is-accepting-jobs */
261 ipp_attribute_t
*print_color_mode_sup
;/* Does printer support print-color-mode? */
262 int create_job
= 0, /* Does printer support Create-Job? */
263 get_job_attrs
= 0, /* Does printer support Get-Job-Attributes? */
264 send_document
= 0, /* Does printer support Send-Document? */
265 validate_job
= 0, /* Does printer support Validate-Job? */
266 copies
, /* Number of copies for job */
267 copies_remaining
; /* Number of copies remaining */
268 const char *content_type
, /* CONTENT_TYPE environment variable */
269 *final_content_type
, /* FINAL_CONTENT_TYPE environment var */
270 *document_format
; /* document-format value */
271 int fd
; /* File descriptor */
272 off_t bytes
= 0; /* Bytes copied */
273 char buffer
[16384]; /* Copy buffer */
274 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
275 struct sigaction action
; /* Actions for POSIX signals */
276 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
277 int version
; /* IPP version */
278 ppd_file_t
*ppd
= NULL
; /* PPD file */
279 _ppd_cache_t
*pc
= NULL
; /* PPD cache and mapping data */
280 fd_set input
; /* Input set for select() */
284 * Make sure status messages are not buffered...
287 setbuf(stderr
, NULL
);
290 * Ignore SIGPIPE and catch SIGTERM signals...
294 sigset(SIGPIPE
, SIG_IGN
);
295 sigset(SIGTERM
, sigterm_handler
);
296 #elif defined(HAVE_SIGACTION)
297 memset(&action
, 0, sizeof(action
));
298 action
.sa_handler
= SIG_IGN
;
299 sigaction(SIGPIPE
, &action
, NULL
);
301 sigemptyset(&action
.sa_mask
);
302 sigaddset(&action
.sa_mask
, SIGTERM
);
303 action
.sa_handler
= sigterm_handler
;
304 sigaction(SIGTERM
, &action
, NULL
);
306 signal(SIGPIPE
, SIG_IGN
);
307 signal(SIGTERM
, sigterm_handler
);
308 #endif /* HAVE_SIGSET */
311 * Check command-line...
318 if ((s
= strrchr(argv
[0], '/')) != NULL
)
323 printf("network %s \"Unknown\" \"%s (%s)\"\n",
324 s
, _cupsLangString(cupsLangDefault(),
325 _("Internet Printing Protocol")), s
);
326 return (CUPS_BACKEND_OK
);
330 _cupsLangPrintf(stderr
,
331 _("Usage: %s job-id user title copies options [file]"),
333 return (CUPS_BACKEND_STOP
);
337 * Get the device URI...
340 while ((device_uri
= cupsBackendDeviceURI(argv
)) == NULL
)
342 _cupsLangPrintFilter(stderr
, "INFO", _("Unable to locate printer."));
345 if (getenv("CLASS") != NULL
)
346 return (CUPS_BACKEND_FAILED
);
349 if ((auth_info_required
= getenv("AUTH_INFO_REQUIRED")) == NULL
)
350 auth_info_required
= "none";
352 state_reasons
= _cupsArrayNewStrings(getenv("PRINTER_STATE_REASONS"), ',');
356 * For Kerberos, become the printing user (if we can) to get the credentials
360 if (!getuid() && (value
= getenv("AUTH_UID")) != NULL
&&
361 !getenv("AUTH_PASSWORD"))
363 uid_t uid
= (uid_t
)atoi(value
);
370 return (run_as_user(argv
, uid
, device_uri
, 0));
373 int status
= 0; /* Exit status */
375 for (i
= 6; i
< argc
&& !status
&& !job_canceled
; i
++)
377 if ((fd
= open(argv
[i
], O_RDONLY
)) >= 0)
379 status
= run_as_user(argv
, uid
, device_uri
, fd
);
384 _cupsLangPrintError("ERROR", _("Unable to open print file"));
385 status
= CUPS_BACKEND_FAILED
;
393 # else /* No XPC, just try to run as the user ID */
396 # endif /* HAVE_XPC */
398 #endif /* HAVE_GSSAPI */
401 * Get the (final) content type...
404 if ((content_type
= getenv("CONTENT_TYPE")) == NULL
)
405 content_type
= "application/octet-stream";
407 if ((final_content_type
= getenv("FINAL_CONTENT_TYPE")) == NULL
)
409 final_content_type
= content_type
;
411 if (!strncmp(final_content_type
, "printer/", 8))
412 final_content_type
= "application/vnd.cups-raw";
416 * Extract the hostname and printer name from the URI...
419 httpSeparateURI(HTTP_URI_CODING_ALL
, device_uri
, scheme
, sizeof(scheme
),
420 username
, sizeof(username
), hostname
, sizeof(hostname
), &port
,
421 resource
, sizeof(resource
));
424 port
= IPP_PORT
; /* Default to port 631 */
426 if (!strcmp(scheme
, "https") || !strcmp(scheme
, "ipps"))
427 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS
);
429 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED
);
432 * See if there are any options...
439 contimeout
= 7 * 24 * 60 * 60;
441 if ((optptr
= strchr(resource
, '?')) != NULL
)
444 * Yup, terminate the device name string and move to the first
445 * character of the optptr...
451 * Then parse the optptr...
462 while (*optptr
&& *optptr
!= '=' && *optptr
!= '+' && *optptr
!= '&')
465 if ((sep
= *optptr
) != '\0')
476 while (*optptr
&& *optptr
!= '+' && *optptr
!= '&')
486 * Process the option...
489 if (!_cups_strcasecmp(name
, "waitjob"))
492 * Wait for job completion?
495 waitjob
= !_cups_strcasecmp(value
, "on") ||
496 !_cups_strcasecmp(value
, "yes") ||
497 !_cups_strcasecmp(value
, "true");
499 else if (!_cups_strcasecmp(name
, "waitprinter"))
502 * Wait for printer idle?
505 waitprinter
= !_cups_strcasecmp(value
, "on") ||
506 !_cups_strcasecmp(value
, "yes") ||
507 !_cups_strcasecmp(value
, "true");
509 else if (!_cups_strcasecmp(name
, "encryption"))
512 * Enable/disable encryption?
515 if (!_cups_strcasecmp(value
, "always"))
516 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS
);
517 else if (!_cups_strcasecmp(value
, "required"))
518 cupsSetEncryption(HTTP_ENCRYPT_REQUIRED
);
519 else if (!_cups_strcasecmp(value
, "never"))
520 cupsSetEncryption(HTTP_ENCRYPT_NEVER
);
521 else if (!_cups_strcasecmp(value
, "ifrequested"))
522 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED
);
525 _cupsLangPrintFilter(stderr
, "ERROR",
526 _("Unknown encryption option value: \"%s\"."),
530 else if (!_cups_strcasecmp(name
, "snmp"))
533 * Enable/disable SNMP stuff...
536 snmp_enabled
= !value
[0] || !_cups_strcasecmp(value
, "on") ||
537 !_cups_strcasecmp(value
, "yes") ||
538 !_cups_strcasecmp(value
, "true");
540 else if (!_cups_strcasecmp(name
, "version"))
542 if (!strcmp(value
, "1.0"))
544 else if (!strcmp(value
, "1.1"))
546 else if (!strcmp(value
, "2.0"))
548 else if (!strcmp(value
, "2.1"))
550 else if (!strcmp(value
, "2.2"))
554 _cupsLangPrintFilter(stderr
, "ERROR",
555 _("Unknown version option value: \"%s\"."),
560 else if (!_cups_strcasecmp(name
, "compression"))
562 if (!_cups_strcasecmp(value
, "true") || !_cups_strcasecmp(value
, "yes") ||
563 !_cups_strcasecmp(value
, "on") || !_cups_strcasecmp(value
, "gzip"))
564 compression
= "gzip";
565 else if (!_cups_strcasecmp(value
, "deflate"))
566 compression
= "deflate";
567 else if (!_cups_strcasecmp(value
, "false") ||
568 !_cups_strcasecmp(value
, "no") ||
569 !_cups_strcasecmp(value
, "off") ||
570 !_cups_strcasecmp(value
, "none"))
571 compression
= "none";
573 #endif /* HAVE_LIBZ */
574 else if (!_cups_strcasecmp(name
, "contimeout"))
577 * Set the connection timeout...
581 contimeout
= atoi(value
);
589 _cupsLangPrintFilter(stderr
, "ERROR",
590 _("Unknown option \"%s\" with value \"%s\"."),
597 * If we have 7 arguments, print the file named on the command-line.
598 * Otherwise, copy stdin to a temporary file and print the temporary
606 send_options
= !_cups_strcasecmp(final_content_type
, "application/pdf") ||
607 !_cups_strcasecmp(final_content_type
, "application/vnd.cups-pdf") ||
608 !_cups_strncasecmp(final_content_type
, "image/", 6);
610 fputs("DEBUG: Sending stdin for job...\n", stderr
);
615 * Point to the files on the command-line...
618 num_files
= argc
- 6;
622 fprintf(stderr
, "DEBUG: %d files to send in job...\n", num_files
);
626 * Set the authentication info, if any...
629 cupsSetPasswordCB2((cups_password_cb2_t
)password_cb
, &password_tries
);
634 * Use authentication information in the device URI...
637 if ((password
= strchr(username
, ':')) != NULL
)
640 cupsSetUser(username
);
646 * Try loading authentication information from the environment.
649 const char *ptr
= getenv("AUTH_USERNAME");
653 strlcpy(username
, ptr
, sizeof(username
));
657 password
= getenv("AUTH_PASSWORD");
661 * Try finding the remote server...
664 start_time
= time(NULL
);
666 sprintf(portname
, "%d", port
);
668 update_reasons(NULL
, "+connecting-to-device");
669 fprintf(stderr
, "DEBUG: Looking up \"%s\"...\n", hostname
);
671 while ((addrlist
= httpAddrGetList(hostname
, AF_UNSPEC
, portname
)) == NULL
)
673 _cupsLangPrintFilter(stderr
, "INFO",
674 _("Unable to locate printer \"%s\"."), hostname
);
677 if (getenv("CLASS") != NULL
)
679 update_reasons(NULL
, "-connecting-to-device");
680 return (CUPS_BACKEND_STOP
);
684 return (CUPS_BACKEND_OK
);
687 http
= httpConnect2(hostname
, port
, addrlist
, AF_UNSPEC
, cupsEncryption(), 1,
689 httpSetTimeout(http
, 30.0, timeout_cb
, NULL
);
692 * See if the printer supports SNMP...
696 snmp_fd
= _cupsSNMPOpen(addrlist
->addr
.addr
.sa_family
);
701 have_supplies
= !backendSNMPSupplies(snmp_fd
, &(addrlist
->addr
),
704 have_supplies
= start_count
= 0;
707 * Wait for data from the filter...
712 if (!backendWaitLoop(snmp_fd
, &(addrlist
->addr
), 0, backendNetworkSideCB
))
713 return (CUPS_BACKEND_OK
);
714 else if ((bytes
= read(0, buffer
, sizeof(buffer
))) <= 0)
715 return (CUPS_BACKEND_OK
);
719 * Try connecting to the remote server...
722 delay
= _cupsNextDelay(0, &prev_delay
);
726 fprintf(stderr
, "DEBUG: Connecting to %s:%d\n", hostname
, port
);
727 _cupsLangPrintFilter(stderr
, "INFO", _("Connecting to printer."));
729 if (httpReconnect(http
))
731 int error
= errno
; /* Connection error */
733 if (http
->status
== HTTP_PKI_ERROR
)
734 update_reasons(NULL
, "+cups-certificate-error");
739 if (getenv("CLASS") != NULL
)
742 * If the CLASS environment variable is set, the job was submitted
743 * to a class and not to a specific queue. In this case, we want
744 * to abort immediately so that the job can be requeued on the next
745 * available printer in the class.
748 _cupsLangPrintFilter(stderr
, "INFO",
749 _("Unable to contact printer, queuing on next "
750 "printer in class."));
753 * Sleep 5 seconds to keep the job from requeuing too rapidly...
758 update_reasons(NULL
, "-connecting-to-device");
760 return (CUPS_BACKEND_FAILED
);
763 fprintf(stderr
, "DEBUG: Connection error: %s\n", strerror(errno
));
765 if (errno
== ECONNREFUSED
|| errno
== EHOSTDOWN
||
766 errno
== EHOSTUNREACH
)
768 if (contimeout
&& (time(NULL
) - start_time
) > contimeout
)
770 _cupsLangPrintFilter(stderr
, "ERROR",
771 _("The printer is not responding."));
772 update_reasons(NULL
, "-connecting-to-device");
773 return (CUPS_BACKEND_FAILED
);
779 _cupsLangPrintFilter(stderr
, "WARNING",
780 _("The printer may not exist or "
781 "is unavailable at this time."));
785 _cupsLangPrintFilter(stderr
, "WARNING",
786 _("The printer is unreachable at this "
792 _cupsLangPrintFilter(stderr
, "WARNING",
793 _("The printer is in use."));
797 sleep((unsigned)delay
);
799 delay
= _cupsNextDelay(delay
, &prev_delay
);
803 _cupsLangPrintFilter(stderr
, "ERROR",
804 _("The printer is not responding."));
812 update_reasons(NULL
, "-cups-certificate-error");
814 while (http
->fd
< 0);
817 return (CUPS_BACKEND_OK
);
819 return (CUPS_BACKEND_FAILED
);
821 if (httpIsEncrypted(http
))
824 * Validate TLS credentials...
827 cups_array_t
*creds
; /* TLS credentials */
828 cups_array_t
*lcreds
= NULL
; /* Loaded credentials */
829 http_trust_t trust
; /* Trust level */
830 char credinfo
[1024], /* Information on credentials */
831 lcredinfo
[1024];/* Information on saved credentials */
832 static const char * const trusts
[] = { NULL
, "+cups-pki-invalid", "+cups-pki-changed", "+cups-pki-expired", NULL
, "+cups-pki-unknown" };
834 static const char * const trust_msgs
[] =
836 "Credentials are OK/trusted",
837 "Credentials are invalid",
838 "Credentials have changed",
839 "Credentials are expired",
840 "Credentials have been renewed",
841 "Credentials are unknown/new"
844 fputs("DEBUG: Connection is encrypted.\n", stderr
);
846 if (!httpCopyCredentials(http
, &creds
))
848 trust
= httpCredentialsGetTrust(creds
, hostname
);
849 httpCredentialsString(creds
, credinfo
, sizeof(credinfo
));
851 fprintf(stderr
, "DEBUG: %s\n", trust_msgs
[trust
]);
852 fprintf(stderr
, "DEBUG: Printer credentials: %s\n", credinfo
);
854 if (!httpLoadCredentials(NULL
, &lcreds
, hostname
))
856 httpCredentialsString(lcreds
, lcredinfo
, sizeof(lcredinfo
));
857 fprintf(stderr
, "DEBUG: Stored credentials: %s\n", lcredinfo
);
860 fputs("DEBUG: No stored credentials.\n", stderr
);
862 update_reasons(NULL
, "-cups-pki-invalid,cups-pki-changed,cups-pki-expired,cups-pki-unknown");
865 update_reasons(NULL
, trusts
[trust
]);
866 return (CUPS_BACKEND_STOP
);
872 * Could not load the credentials, let's save the ones we have so we
873 * can detect changes...
876 httpSaveCredentials(NULL
, creds
, hostname
);
879 httpFreeCredentials(lcreds
);
880 httpFreeCredentials(creds
);
884 fputs("DEBUG: No printer credentials.\n", stderr
);
886 update_reasons(NULL
, "cups-pki-unknown");
887 return (CUPS_BACKEND_STOP
);
891 update_reasons(NULL
, "-connecting-to-device");
892 _cupsLangPrintFilter(stderr
, "INFO", _("Connected to printer."));
894 fprintf(stderr
, "DEBUG: Connected to %s:%d...\n",
895 httpAddrString(http
->hostaddr
, addrname
, sizeof(addrname
)),
896 httpAddrPort(http
->hostaddr
));
899 * Build a URI for the printer and fill the standard IPP attributes for
900 * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it
901 * might contain username:password information...
904 httpAssembleURI(HTTP_URI_CODING_ALL
, uri
, sizeof(uri
), scheme
, NULL
, hostname
,
908 * First validate the destination and see if the device supports multiple
913 compression_sup
= NULL
;
914 #endif /* HAVE_LIBZ */
917 encryption_sup
= NULL
;
919 media_col_sup
= NULL
;
921 operations_sup
= NULL
;
922 doc_handling_sup
= NULL
;
923 print_color_mode_sup
= NULL
;
928 * Check for side-channel requests...
931 backendCheckSideChannel(snmp_fd
, http
->hostaddr
);
934 * Build the IPP request...
937 request
= ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES
);
938 ippSetVersion(request
, version
/ 10, version
% 10);
939 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "printer-uri",
942 ippAddStrings(request
, IPP_TAG_OPERATION
, IPP_TAG_KEYWORD
,
943 "requested-attributes", sizeof(pattrs
) / sizeof(pattrs
[0]),
950 fputs("DEBUG: Getting supported attributes...\n", stderr
);
952 if (http
->version
< HTTP_1_1
)
954 fprintf(stderr
, "DEBUG: Printer responded with HTTP version %d.%d.\n",
955 http
->version
/ 100, http
->version
% 100);
956 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
957 "cups-ipp-wrong-http-version");
960 supported
= cupsDoRequest(http
, request
, resource
);
961 ipp_status
= cupsLastError();
963 fprintf(stderr
, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
964 ippErrorString(ipp_status
), cupsLastErrorString());
966 if (ipp_status
<= IPP_OK_CONFLICT
)
970 fprintf(stderr
, "DEBUG: Get-Printer-Attributes returned %s.\n",
971 ippErrorString(ipp_status
));
973 if (ipp_status
== IPP_PRINTER_BUSY
||
974 ipp_status
== IPP_SERVICE_UNAVAILABLE
)
976 if (contimeout
&& (time(NULL
) - start_time
) > contimeout
)
978 _cupsLangPrintFilter(stderr
, "ERROR",
979 _("The printer is not responding."));
980 return (CUPS_BACKEND_FAILED
);
983 _cupsLangPrintFilter(stderr
, "INFO", _("The printer is in use."));
985 report_printer_state(supported
);
987 sleep((unsigned)delay
);
989 delay
= _cupsNextDelay(delay
, &prev_delay
);
991 else if ((ipp_status
== IPP_BAD_REQUEST
||
992 ipp_status
== IPP_VERSION_NOT_SUPPORTED
) && version
> 10)
995 * Switch to IPP/1.1 or IPP/1.0...
1000 _cupsLangPrintFilter(stderr
, "INFO", _("Preparing to print."));
1002 "DEBUG: The printer does not support IPP/%d.%d, trying "
1003 "IPP/1.1.\n", version
/ 10, version
% 10);
1008 _cupsLangPrintFilter(stderr
, "INFO", _("Preparing to print."));
1010 "DEBUG: The printer does not support IPP/%d.%d, trying "
1011 "IPP/1.0.\n", version
/ 10, version
% 10);
1015 httpReconnect(http
);
1017 else if (ipp_status
== IPP_NOT_FOUND
)
1019 _cupsLangPrintFilter(stderr
, "ERROR",
1020 _("The printer configuration is incorrect or the "
1021 "printer no longer exists."));
1023 ippDelete(supported
);
1025 return (CUPS_BACKEND_STOP
);
1027 else if (ipp_status
== IPP_FORBIDDEN
||
1028 ipp_status
== IPP_AUTHENTICATION_CANCELED
)
1030 const char *www_auth
= httpGetField(http
, HTTP_FIELD_WWW_AUTHENTICATE
);
1031 /* WWW-Authenticate field value */
1033 if (!strncmp(www_auth
, "Negotiate", 9))
1034 auth_info_required
= "negotiate";
1035 else if (www_auth
[0])
1036 auth_info_required
= "username,password";
1038 fprintf(stderr
, "ATTR: auth-info-required=%s\n", auth_info_required
);
1039 return (CUPS_BACKEND_AUTH_REQUIRED
);
1041 else if (ipp_status
!= IPP_NOT_AUTHORIZED
)
1043 _cupsLangPrintFilter(stderr
, "ERROR",
1044 _("Unable to get printer status."));
1047 httpReconnect(http
);
1050 ippDelete(supported
);
1055 if (!getenv("CLASS"))
1058 * Check printer-is-accepting-jobs = false and printer-state-reasons for the
1059 * "spool-area-full" keyword...
1064 if ((printer_accepting
= ippFindAttribute(supported
,
1065 "printer-is-accepting-jobs",
1066 IPP_TAG_BOOLEAN
)) != NULL
&&
1067 !printer_accepting
->values
[0].boolean
)
1069 else if (!printer_accepting
)
1070 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1071 "cups-ipp-missing-printer-is-accepting-jobs");
1073 if ((printer_state
= ippFindAttribute(supported
,
1074 "printer-state-reasons",
1075 IPP_TAG_KEYWORD
)) == NULL
)
1077 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1078 "cups-ipp-missing-printer-state-reasons");
1082 for (i
= 0; i
< printer_state
->num_values
; i
++)
1084 if (!strcmp(printer_state
->values
[0].string
.text
,
1085 "spool-area-full") ||
1086 !strncmp(printer_state
->values
[0].string
.text
, "spool-area-full-",
1097 _cupsLangPrintFilter(stderr
, "INFO", _("The printer is in use."));
1099 report_printer_state(supported
);
1101 sleep((unsigned)delay
);
1103 delay
= _cupsNextDelay(delay
, &prev_delay
);
1105 ippDelete(supported
);
1107 ipp_status
= IPP_STATUS_ERROR_BUSY
;
1113 * Check for supported attributes...
1117 if ((compression_sup
= ippFindAttribute(supported
, "compression-supported",
1118 IPP_TAG_KEYWORD
)) != NULL
)
1121 * Check whether the requested compression is supported and/or default to
1122 * compression if supported...
1125 if (compression
&& !ippContainsString(compression_sup
, compression
))
1127 fprintf(stderr
, "DEBUG: Printer does not support the requested "
1128 "compression value \"%s\".\n", compression
);
1131 else if (!compression
&& (!strcmp(final_content_type
, "image/pwg-raster") || !strcmp(final_content_type
, "image/urf")))
1133 if (ippContainsString(compression_sup
, "gzip"))
1134 compression
= "gzip";
1135 else if (ippContainsString(compression_sup
, "deflate"))
1136 compression
= "deflate";
1139 fprintf(stderr
, "DEBUG: Automatically using \"%s\" compression.\n",
1143 #endif /* HAVE_LIBZ */
1145 if ((copies_sup
= ippFindAttribute(supported
, "copies-supported",
1146 IPP_TAG_RANGE
)) != NULL
)
1149 * Has the "copies-supported" attribute - does it have an upper
1153 fprintf(stderr
, "DEBUG: copies-supported=%d-%d\n",
1154 copies_sup
->values
[0].range
.lower
,
1155 copies_sup
->values
[0].range
.upper
);
1157 if (copies_sup
->values
[0].range
.upper
<= 1)
1158 copies_sup
= NULL
; /* No */
1161 cups_version
= ippFindAttribute(supported
, "cups-version", IPP_TAG_TEXT
);
1163 encryption_sup
= ippFindAttribute(supported
, "job-password-encryption-supported", IPP_TAG_KEYWORD
);
1165 if ((format_sup
= ippFindAttribute(supported
, "document-format-supported",
1166 IPP_TAG_MIMETYPE
)) != NULL
)
1168 fprintf(stderr
, "DEBUG: document-format-supported (%d values)\n",
1169 format_sup
->num_values
);
1170 for (i
= 0; i
< format_sup
->num_values
; i
++)
1171 fprintf(stderr
, "DEBUG: [%d] = \"%s\"\n", i
,
1172 format_sup
->values
[i
].string
.text
);
1175 if ((media_col_sup
= ippFindAttribute(supported
, "media-col-supported",
1176 IPP_TAG_KEYWORD
)) != NULL
)
1178 fprintf(stderr
, "DEBUG: media-col-supported (%d values)\n",
1179 media_col_sup
->num_values
);
1180 for (i
= 0; i
< media_col_sup
->num_values
; i
++)
1181 fprintf(stderr
, "DEBUG: [%d] = \"%s\"\n", i
,
1182 media_col_sup
->values
[i
].string
.text
);
1185 print_color_mode_sup
= ippFindAttribute(supported
, "print-color-mode-supported", IPP_TAG_KEYWORD
);
1187 if ((operations_sup
= ippFindAttribute(supported
, "operations-supported",
1188 IPP_TAG_ENUM
)) != NULL
)
1190 fprintf(stderr
, "DEBUG: operations-supported (%d values)\n",
1191 operations_sup
->num_values
);
1192 for (i
= 0; i
< operations_sup
->num_values
; i
++)
1193 fprintf(stderr
, "DEBUG: [%d] = %s\n", i
,
1194 ippOpString(operations_sup
->values
[i
].integer
));
1196 for (i
= 0; i
< operations_sup
->num_values
; i
++)
1197 if (operations_sup
->values
[i
].integer
== IPP_PRINT_JOB
)
1200 if (i
>= operations_sup
->num_values
)
1201 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1202 "cups-ipp-missing-print-job");
1204 for (i
= 0; i
< operations_sup
->num_values
; i
++)
1205 if (operations_sup
->values
[i
].integer
== IPP_CANCEL_JOB
)
1208 if (i
>= operations_sup
->num_values
)
1209 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1210 "cups-ipp-missing-cancel-job");
1212 for (i
= 0; i
< operations_sup
->num_values
; i
++)
1213 if (operations_sup
->values
[i
].integer
== IPP_GET_JOB_ATTRIBUTES
)
1216 if (i
>= operations_sup
->num_values
)
1217 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1218 "cups-ipp-missing-get-job-attributes");
1220 for (i
= 0; i
< operations_sup
->num_values
; i
++)
1221 if (operations_sup
->values
[i
].integer
== IPP_GET_PRINTER_ATTRIBUTES
)
1224 if (i
>= operations_sup
->num_values
)
1225 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1226 "cups-ipp-missing-get-printer-attributes");
1228 for (i
= 0; i
< operations_sup
->num_values
; i
++)
1230 if (operations_sup
->values
[i
].integer
== IPP_VALIDATE_JOB
)
1232 else if (operations_sup
->values
[i
].integer
== IPP_CREATE_JOB
)
1234 else if (operations_sup
->values
[i
].integer
== IPP_SEND_DOCUMENT
)
1236 else if (operations_sup
->values
[i
].integer
== IPP_GET_JOB_ATTRIBUTES
)
1240 if (create_job
&& !send_document
)
1242 fputs("DEBUG: Printer supports Create-Job but not Send-Document.\n",
1246 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1247 "cups-ipp-missing-send-document");
1251 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1252 "cups-ipp-missing-validate-job");
1255 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1256 "cups-ipp-missing-operations-supported");
1258 doc_handling_sup
= ippFindAttribute(supported
,
1259 "multiple-document-handling-supported",
1262 report_printer_state(supported
);
1264 while (!job_canceled
&& ipp_status
> IPP_OK_CONFLICT
);
1267 return (CUPS_BACKEND_OK
);
1270 * See if the printer is accepting jobs and is not stopped; if either
1271 * condition is true and we are printing to a class, requeue the job...
1274 if (getenv("CLASS") != NULL
)
1276 printer_state
= ippFindAttribute(supported
, "printer-state",
1278 printer_accepting
= ippFindAttribute(supported
, "printer-is-accepting-jobs",
1281 if (printer_state
== NULL
||
1282 (printer_state
->values
[0].integer
> IPP_PRINTER_PROCESSING
&&
1284 printer_accepting
== NULL
||
1285 !printer_accepting
->values
[0].boolean
)
1288 * If the CLASS environment variable is set, the job was submitted
1289 * to a class and not to a specific queue. In this case, we want
1290 * to abort immediately so that the job can be requeued on the next
1291 * available printer in the class.
1294 _cupsLangPrintFilter(stderr
, "INFO",
1295 _("Unable to contact printer, queuing on next "
1296 "printer in class."));
1298 ippDelete(supported
);
1302 * Sleep 5 seconds to keep the job from requeuing too rapidly...
1307 return (CUPS_BACKEND_FAILED
);
1312 * See if the printer supports multiple copies...
1315 copies
= atoi(argv
[4]);
1317 if (copies_sup
|| argc
< 7)
1318 copies_remaining
= 1;
1320 copies_remaining
= copies
;
1323 * Prepare remaining printing options...
1330 num_options
= cupsParseOptions(argv
[5], 0, &options
);
1332 if (!cups_version
&& media_col_sup
)
1335 * Load the PPD file and generate PWG attribute mapping information...
1338 ppd_attr_t
*mandatory
; /* cupsMandatory value */
1340 ppd
= ppdOpenFile(getenv("PPD"));
1341 pc
= _ppdCacheCreateWithPPD(ppd
);
1343 ppdMarkDefaults(ppd
);
1344 cupsMarkOptions(ppd
, num_options
, options
);
1346 if ((mandatory
= ppdFindAttr(ppd
, "cupsMandatory", NULL
)) != NULL
)
1347 strlcpy(mandatory_attrs
, mandatory
->value
, sizeof(mandatory_attrs
));
1351 * Validate job-password/-encryption...
1354 if (cupsGetOption("job-password", num_options
, options
))
1356 const char *keyword
; /* job-password-encryption value */
1357 static const char * const hashes
[] =
1358 { /* List of supported hash algorithms, in order of preference */
1369 if ((keyword
= cupsGetOption("job-password-encryption", num_options
, options
)) == NULL
|| !ippContainsString(encryption_sup
, keyword
))
1372 * Either no job-password-encryption or the value isn't supported by
1376 for (i
= 0; i
< (int)(sizeof(hashes
) / sizeof(hashes
[0])); i
++)
1377 if (ippContainsString(encryption_sup
, hashes
[i
]))
1380 if (i
< (int)(sizeof(hashes
) / sizeof(hashes
[0])))
1381 num_options
= cupsAddOption("job-password-encryption", hashes
[i
], num_options
, &options
);
1388 document_format
= NULL
;
1390 if (format_sup
!= NULL
)
1392 if (ippContainsString(format_sup
, final_content_type
))
1393 document_format
= final_content_type
;
1394 else if (ippContainsString(format_sup
, "application/octet-stream"))
1395 document_format
= "application/octet-stream";
1398 fprintf(stderr
, "DEBUG: final_content_type=\"%s\", document_format=\"%s\"\n",
1399 final_content_type
, document_format
? document_format
: "(null)");
1402 * If the printer does not support HTTP/1.1 (which IPP requires), copy stdin
1403 * to a temporary file so that we can do a HTTP/1.0 submission...
1405 * (I hate compatibility hacks!)
1408 if (http
->version
< HTTP_1_1
&& num_files
== 0)
1410 if ((fd
= cupsTempFd(tmpfilename
, sizeof(tmpfilename
))) < 0)
1412 perror("DEBUG: Unable to create temporary file");
1413 return (CUPS_BACKEND_FAILED
);
1416 _cupsLangPrintFilter(stderr
, "INFO", _("Copying print data."));
1418 if ((compatsize
= write(fd
, buffer
, (size_t)bytes
)) < 0)
1420 perror("DEBUG: Unable to write temporary file");
1421 return (CUPS_BACKEND_FAILED
);
1424 if ((bytes
= backendRunLoop(-1, fd
, snmp_fd
, &(addrlist
->addr
), 0, 0,
1425 backendNetworkSideCB
)) < 0)
1426 return (CUPS_BACKEND_FAILED
);
1428 compatsize
+= bytes
;
1432 compatfile
= tmpfilename
;
1433 files
= &compatfile
;
1436 else if (http
->version
< HTTP_1_1
&& num_files
== 1)
1438 struct stat fileinfo
; /* File information */
1440 if (!stat(files
[0], &fileinfo
))
1441 compatsize
= fileinfo
.st_size
;
1445 * If the printer only claims to support IPP/1.0, or if the user specifically
1446 * included version=1.0 in the URI, then do not try to use Create-Job or
1447 * Send-Document. This is another dreaded compatibility hack, but
1448 * unfortunately there are enough broken printers out there that we need
1453 create_job
= send_document
= 0;
1456 * Start monitoring the printer in the background...
1460 monitor
.hostname
= hostname
;
1461 monitor
.user
= argv
[2];
1462 monitor
.resource
= resource
;
1463 monitor
.port
= port
;
1464 monitor
.version
= version
;
1466 monitor
.create_job
= create_job
;
1467 monitor
.get_job_attrs
= get_job_attrs
;
1468 monitor
.encryption
= cupsEncryption();
1469 monitor
.job_state
= IPP_JOB_PENDING
;
1470 monitor
.printer_state
= IPP_PRINTER_IDLE
;
1474 monitor
.job_name
= argv
[3];
1478 snprintf(print_job_name
, sizeof(print_job_name
), "%s - %s", argv
[1],
1480 monitor
.job_name
= print_job_name
;
1483 _cupsThreadCreate((_cups_thread_func_t
)monitor_printer
, &monitor
);
1486 * Validate access to the printer...
1489 while (!job_canceled
&& validate_job
)
1491 request
= new_request(IPP_VALIDATE_JOB
, version
, uri
, argv
[2],
1492 monitor
.job_name
, num_options
, options
, compression
,
1493 copies_sup
? copies
: 1, document_format
, pc
, ppd
,
1494 media_col_sup
, doc_handling_sup
, print_color_mode_sup
);
1496 response
= cupsDoRequest(http
, request
, resource
);
1498 ipp_status
= cupsLastError();
1500 fprintf(stderr
, "DEBUG: Validate-Job: %s (%s)\n",
1501 ippErrorString(ipp_status
), cupsLastErrorString());
1503 if ((job_auth
= ippFindAttribute(response
, "job-authorization-uri",
1504 IPP_TAG_URI
)) != NULL
)
1505 num_options
= cupsAddOption("job-authorization-uri",
1506 ippGetString(job_auth
, 0, NULL
), num_options
,
1509 ippDelete(response
);
1514 if (ipp_status
== IPP_STATUS_ERROR_SERVICE_UNAVAILABLE
||
1515 ipp_status
== IPP_STATUS_ERROR_BUSY
)
1517 _cupsLangPrintFilter(stderr
, "INFO", _("The printer is in use."));
1520 else if (ipp_status
== IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED
||
1521 ipp_status
== IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES
||
1522 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED
||
1523 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED
||
1524 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED
||
1525 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED
)
1527 else if (ipp_status
== IPP_STATUS_ERROR_FORBIDDEN
||
1528 ipp_status
== IPP_STATUS_ERROR_NOT_AUTHORIZED
||
1529 ipp_status
== IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED
)
1531 const char *www_auth
= httpGetField(http
, HTTP_FIELD_WWW_AUTHENTICATE
);
1532 /* WWW-Authenticate field value */
1534 if (!strncmp(www_auth
, "Negotiate", 9))
1535 auth_info_required
= "negotiate";
1536 else if (www_auth
[0])
1537 auth_info_required
= "username,password";
1541 else if (ipp_status
== IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED
)
1544 * This is all too common...
1547 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1548 "cups-ipp-missing-validate-job");
1551 else if (ipp_status
< IPP_REDIRECTION_OTHER_SITE
||
1552 ipp_status
== IPP_BAD_REQUEST
)
1557 * Then issue the print-job request...
1562 while (!job_canceled
&& copies_remaining
> 0)
1565 * Check for side-channel requests...
1568 backendCheckSideChannel(snmp_fd
, http
->hostaddr
);
1571 * Build the IPP job creation request...
1577 request
= new_request((num_files
> 1 || create_job
) ? IPP_CREATE_JOB
:
1579 version
, uri
, argv
[2], monitor
.job_name
, num_options
,
1580 options
, compression
, copies_sup
? copies
: 1,
1581 document_format
, pc
, ppd
, media_col_sup
,
1582 doc_handling_sup
, print_color_mode_sup
);
1588 if (num_files
> 1 || create_job
)
1589 response
= cupsDoRequest(http
, request
, resource
);
1592 size_t length
= 0; /* Length of request */
1596 fputs("DEBUG: Sending file using HTTP/1.0 Content-Length...\n", stderr
);
1597 length
= ippLength(request
) + (size_t)compatsize
;
1600 fputs("DEBUG: Sending file using HTTP/1.1 chunking...\n", stderr
);
1602 http_status
= cupsSendRequest(http
, request
, resource
, length
);
1603 if (http_status
== HTTP_CONTINUE
&& request
->state
== IPP_DATA
)
1605 if (compression
&& strcmp(compression
, "none"))
1606 httpSetField(http
, HTTP_FIELD_CONTENT_ENCODING
, compression
);
1610 if ((fd
= open(files
[0], O_RDONLY
)) < 0)
1612 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1613 return (CUPS_BACKEND_FAILED
);
1619 http_status
= cupsWriteRequestData(http
, buffer
, (size_t)bytes
);
1622 while (http_status
== HTTP_CONTINUE
&&
1623 (!job_canceled
|| compatsize
> 0))
1626 * Check for side-channel requests and more print data...
1631 FD_SET(snmp_fd
, &input
);
1632 FD_SET(CUPS_SC_FD
, &input
);
1634 while (select(fd
> snmp_fd
? fd
+ 1 : snmp_fd
+ 1, &input
, NULL
, NULL
,
1635 NULL
) <= 0 && !job_canceled
);
1637 if (FD_ISSET(snmp_fd
, &input
))
1638 backendCheckSideChannel(snmp_fd
, http
->hostaddr
);
1640 if (FD_ISSET(fd
, &input
))
1642 if ((bytes
= read(fd
, buffer
, sizeof(buffer
))) > 0)
1644 fprintf(stderr
, "DEBUG: Read %d bytes...\n", (int)bytes
);
1646 if ((http_status
= cupsWriteRequestData(http
, buffer
, (size_t)bytes
))
1650 else if (bytes
== 0 || (errno
!= EINTR
&& errno
!= EAGAIN
))
1655 if (http_status
== HTTP_ERROR
)
1656 fprintf(stderr
, "DEBUG: Error writing document data for "
1657 "Print-Job: %s\n", strerror(httpError(http
)));
1663 response
= cupsGetResponse(http
, resource
);
1667 ipp_status
= cupsLastError();
1669 fprintf(stderr
, "DEBUG: %s: %s (%s)\n",
1670 (num_files
> 1 || create_job
) ? "Create-Job" : "Print-Job",
1671 ippErrorString(ipp_status
), cupsLastErrorString());
1673 if (ipp_status
> IPP_OK_CONFLICT
)
1680 if (ipp_status
== IPP_STATUS_ERROR_SERVICE_UNAVAILABLE
||
1681 ipp_status
== IPP_STATUS_ERROR_NOT_POSSIBLE
||
1682 ipp_status
== IPP_STATUS_ERROR_BUSY
)
1684 _cupsLangPrintFilter(stderr
, "INFO", _("The printer is in use."));
1690 * We can't re-submit when we have no files to print, so exit
1691 * immediately with the right status code...
1697 else if (ipp_status
== IPP_STATUS_ERROR_JOB_CANCELED
||
1698 ipp_status
== IPP_STATUS_ERROR_NOT_AUTHORIZED
||
1699 ipp_status
== IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES
||
1700 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED
||
1701 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED
||
1702 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED
||
1703 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED
)
1708 * Update auth-info-required as needed...
1711 _cupsLangPrintFilter(stderr
, "ERROR",
1712 _("Print job was not accepted."));
1714 if (ipp_status
== IPP_STATUS_ERROR_FORBIDDEN
||
1715 ipp_status
== IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED
)
1717 const char *www_auth
= httpGetField(http
, HTTP_FIELD_WWW_AUTHENTICATE
);
1718 /* WWW-Authenticate field value */
1720 if (!strncmp(www_auth
, "Negotiate", 9))
1721 auth_info_required
= "negotiate";
1722 else if (www_auth
[0])
1723 auth_info_required
= "username,password";
1725 else if (ipp_status
== IPP_REQUEST_VALUE
)
1728 * Print file is too large, abort this job...
1739 * We can't re-submit when we have no files to print, so exit
1740 * immediately with the right status code...
1747 else if ((job_id_attr
= ippFindAttribute(response
, "job-id",
1748 IPP_TAG_INTEGER
)) == NULL
)
1750 fputs("DEBUG: Print job accepted - job ID unknown.\n", stderr
);
1751 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1752 "cups-ipp-missing-job-id");
1758 monitor
.job_id
= job_id
= job_id_attr
->values
[0].integer
;
1759 fprintf(stderr
, "DEBUG: Print job accepted - job ID %d.\n", job_id
);
1762 ippDelete(response
);
1767 if (job_id
&& (num_files
> 1 || create_job
))
1769 for (i
= 0; num_files
== 0 || i
< num_files
; i
++)
1772 * Check for side-channel requests...
1775 backendCheckSideChannel(snmp_fd
, http
->hostaddr
);
1778 * Send the next file in the job...
1781 request
= ippNewRequest(IPP_SEND_DOCUMENT
);
1782 ippSetVersion(request
, version
/ 10, version
% 10);
1784 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "printer-uri",
1787 ippAddInteger(request
, IPP_TAG_OPERATION
, IPP_TAG_INTEGER
, "job-id",
1791 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
,
1792 "requesting-user-name", NULL
, argv
[2]);
1794 ippAddBoolean(request
, IPP_TAG_OPERATION
, "last-document",
1795 (i
+ 1) >= num_files
);
1797 if (document_format
)
1798 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_MIMETYPE
,
1799 "document-format", NULL
, document_format
);
1802 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_KEYWORD
,
1803 "compression", NULL
, compression
);
1805 fprintf(stderr
, "DEBUG: Sending file %d using chunking...\n", i
+ 1);
1806 http_status
= cupsSendRequest(http
, request
, resource
, 0);
1807 if (http_status
== HTTP_CONTINUE
&& request
->state
== IPP_DATA
)
1809 if (compression
&& strcmp(compression
, "none"))
1810 httpSetField(http
, HTTP_FIELD_CONTENT_ENCODING
, compression
);
1815 http_status
= cupsWriteRequestData(http
, buffer
, (size_t)bytes
);
1819 if ((fd
= open(files
[i
], O_RDONLY
)) < 0)
1821 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1822 return (CUPS_BACKEND_FAILED
);
1831 while (!job_canceled
&& http_status
== HTTP_CONTINUE
&&
1832 (bytes
= read(fd
, buffer
, sizeof(buffer
))) > 0)
1834 if ((http_status
= cupsWriteRequestData(http
, buffer
, (size_t)bytes
))
1840 * Check for side-channel requests...
1843 backendCheckSideChannel(snmp_fd
, http
->hostaddr
);
1851 if (http_status
== HTTP_ERROR
)
1852 fprintf(stderr
, "DEBUG: Error writing document data for "
1853 "Send-Document: %s\n", strerror(httpError(http
)));
1855 ippDelete(cupsGetResponse(http
, resource
));
1858 fprintf(stderr
, "DEBUG: Send-Document: %s (%s)\n",
1859 ippErrorString(cupsLastError()), cupsLastErrorString());
1861 if (cupsLastError() > IPP_OK_CONFLICT
&& !job_canceled
)
1863 ipp_status
= cupsLastError();
1865 _cupsLangPrintFilter(stderr
, "ERROR",
1866 _("Unable to add document to print job."));
1873 if (num_files
== 0 || fd
< 0)
1882 if (ipp_status
<= IPP_OK_CONFLICT
&& argc
> 6)
1884 fprintf(stderr
, "PAGE: 1 %d\n", copies_sup
? atoi(argv
[4]) : 1);
1885 copies_remaining
--;
1887 else if ((ipp_status
== IPP_STATUS_ERROR_DOCUMENT_FORMAT_ERROR
|| ipp_status
== IPP_STATUS_ERROR_DOCUMENT_UNPRINTABLE
) &&
1889 document_format
&& strcmp(document_format
, "image/pwg-raster") && strcmp(document_format
, "image/urf"))
1892 * Need to reprocess the job as raster...
1895 fputs("JOBSTATE: cups-retry-as-raster\n", stderr
);
1897 cancel_job(http
, uri
, job_id
, resource
, argv
[2], version
);
1901 else if (ipp_status
== IPP_SERVICE_UNAVAILABLE
||
1902 ipp_status
== IPP_NOT_POSSIBLE
||
1903 ipp_status
== IPP_PRINTER_BUSY
)
1908 * Need to reprocess the entire job; if we have a job ID, cancel the
1913 cancel_job(http
, uri
, job_id
, resource
, argv
[2], version
);
1919 else if (ipp_status
== IPP_REQUEST_VALUE
||
1920 ipp_status
== IPP_ERROR_JOB_CANCELED
||
1921 ipp_status
== IPP_NOT_AUTHORIZED
||
1922 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED
||
1923 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED
||
1924 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED
||
1925 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED
||
1926 ipp_status
== IPP_INTERNAL_ERROR
)
1929 * Print file is too large, job was canceled, we need new
1930 * authentication data, or we had some sort of error...
1935 else if (ipp_status
== IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED
)
1938 * Server is configured incorrectly; the policy for Create-Job and
1939 * Send-Document has to be the same (auth or no auth, encryption or
1940 * no encryption). Force the queue to stop since printing will never
1944 fputs("DEBUG: The server or printer is configured incorrectly.\n",
1946 fputs("DEBUG: The policy for Create-Job and Send-Document must have the "
1947 "same authentication and encryption requirements.\n", stderr
);
1949 ipp_status
= IPP_STATUS_ERROR_INTERNAL
;
1952 cancel_job(http
, uri
, job_id
, resource
, argv
[2], version
);
1956 else if (ipp_status
== IPP_NOT_FOUND
)
1959 * Printer does not actually implement support for Create-Job/
1960 * Send-Document, so log the conformance issue and stop the printer.
1963 fputs("DEBUG: This printer claims to support Create-Job and "
1964 "Send-Document, but those operations failed.\n", stderr
);
1965 fputs("DEBUG: Add '?version=1.0' to the device URI to use legacy "
1966 "compatibility mode.\n", stderr
);
1967 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
1968 "cups-ipp-missing-send-document");
1970 ipp_status
= IPP_INTERNAL_ERROR
; /* Force queue to stop */
1975 copies_remaining
--;
1978 * Wait for the job to complete...
1981 if (!job_id
|| !waitjob
|| !get_job_attrs
)
1984 fputs("STATE: +cups-waiting-for-job-completed\n", stderr
);
1986 _cupsLangPrintFilter(stderr
, "INFO", _("Waiting for job to complete."));
1988 for (delay
= _cupsNextDelay(0, &prev_delay
), waittime
= time(NULL
) + 30; !job_canceled
;)
1991 * Check for side-channel requests...
1994 backendCheckSideChannel(snmp_fd
, http
->hostaddr
);
1997 * Check printer state...
2000 check_printer_state(http
, uri
, resource
, argv
[2], version
);
2002 if (cupsLastError() <= IPP_OK_CONFLICT
)
2006 * Build an IPP_GET_JOB_ATTRIBUTES request...
2009 request
= ippNewRequest(IPP_GET_JOB_ATTRIBUTES
);
2010 ippSetVersion(request
, version
/ 10, version
% 10);
2012 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "printer-uri",
2015 ippAddInteger(request
, IPP_TAG_OPERATION
, IPP_TAG_INTEGER
, "job-id",
2019 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
,
2020 "requesting-user-name", NULL
, argv
[2]);
2022 ippAddStrings(request
, IPP_TAG_OPERATION
, IPP_TAG_KEYWORD
,
2023 "requested-attributes", sizeof(jattrs
) / sizeof(jattrs
[0]),
2030 httpReconnect(http
);
2031 response
= cupsDoRequest(http
, request
, resource
);
2032 ipp_status
= cupsLastError();
2034 if (ipp_status
== IPP_NOT_FOUND
|| ipp_status
== IPP_NOT_POSSIBLE
)
2037 * Job has gone away and/or the server has no job history...
2040 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
2041 "cups-ipp-missing-job-history");
2042 ippDelete(response
);
2044 ipp_status
= IPP_OK
;
2048 fprintf(stderr
, "DEBUG: Get-Job-Attributes: %s (%s)\n",
2049 ippErrorString(ipp_status
), cupsLastErrorString());
2051 if (ipp_status
<= IPP_OK_CONFLICT
)
2055 if (ipp_status
!= IPP_SERVICE_UNAVAILABLE
&&
2056 ipp_status
!= IPP_PRINTER_BUSY
)
2058 ippDelete(response
);
2059 ipp_status
= IPP_OK
;
2062 else if (ipp_status
== IPP_INTERNAL_ERROR
)
2066 if (waitjob_tries
> 4)
2068 ippDelete(response
);
2069 ipp_status
= IPP_OK
;
2077 if ((job_state
= ippFindAttribute(response
, "job-state",
2078 IPP_TAG_ENUM
)) != NULL
)
2081 * Reflect the remote job state in the local queue...
2085 job_state
->values
[0].integer
>= IPP_JOB_PENDING
&&
2086 job_state
->values
[0].integer
<= IPP_JOB_COMPLETED
)
2087 update_reasons(NULL
,
2088 remote_job_states
[job_state
->values
[0].integer
-
2091 if ((job_sheets
= ippFindAttribute(response
, "job-impressions-completed", IPP_TAG_INTEGER
)) == NULL
)
2092 job_sheets
= ippFindAttribute(response
, "job-media-sheets-completed", IPP_TAG_INTEGER
);
2095 fprintf(stderr
, "PAGE: total %d\n",
2096 job_sheets
->values
[0].integer
);
2099 * Stop polling if the job is finished or pending-held for 30 seconds...
2102 if (job_state
->values
[0].integer
> IPP_JSTATE_STOPPED
||
2103 (job_state
->values
[0].integer
== IPP_JSTATE_HELD
&& time(NULL
) > waittime
))
2105 ippDelete(response
);
2109 else if (ipp_status
!= IPP_SERVICE_UNAVAILABLE
&&
2110 ipp_status
!= IPP_NOT_POSSIBLE
&&
2111 ipp_status
!= IPP_PRINTER_BUSY
)
2114 * If the printer does not return a job-state attribute, it does not
2115 * conform to the IPP specification - break out immediately and fail
2119 update_reasons(NULL
, "+cups-ipp-conformance-failure-report,"
2120 "cups-ipp-missing-job-state");
2121 ipp_status
= IPP_INTERNAL_ERROR
;
2126 ippDelete(response
);
2129 * Wait before polling again...
2132 sleep((unsigned)delay
);
2134 delay
= _cupsNextDelay(delay
, &prev_delay
);
2139 * Cancel the job as needed...
2142 if (job_canceled
> 0 && job_id
> 0)
2144 cancel_job(http
, uri
, job_id
, resource
, argv
[2], version
);
2146 if (cupsLastError() > IPP_OK_CONFLICT
)
2147 _cupsLangPrintFilter(stderr
, "ERROR", _("Unable to cancel print job."));
2151 * Check the printer state and report it if necessary...
2154 check_printer_state(http
, uri
, resource
, argv
[2], version
);
2156 if (cupsLastError() <= IPP_OK_CONFLICT
)
2160 * Collect the final page count as needed...
2163 if (have_supplies
&&
2164 !backendSNMPSupplies(snmp_fd
, &(http
->addrlist
->addr
), &page_count
,
2166 page_count
> start_count
)
2167 fprintf(stderr
, "PAGE: total %d\n", page_count
- start_count
);
2171 * See if we used Kerberos at all...
2175 auth_info_required
= "negotiate";
2176 #endif /* HAVE_GSSAPI */
2184 cupsFreeOptions(num_options
, options
);
2185 _ppdCacheDestroy(pc
);
2190 ippDelete(supported
);
2193 * Remove the temporary file(s) if necessary...
2197 unlink(tmpfilename
);
2200 * Return the queue status...
2203 if (ipp_status
== IPP_NOT_AUTHORIZED
|| ipp_status
== IPP_FORBIDDEN
||
2204 ipp_status
== IPP_AUTHENTICATION_CANCELED
||
2205 ipp_status
<= IPP_OK_CONFLICT
)
2206 fprintf(stderr
, "ATTR: auth-info-required=%s\n", auth_info_required
);
2208 if (ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED
)
2209 fputs("JOBSTATE: account-info-needed\n", stderr
);
2210 else if (ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED
)
2211 fputs("JOBSTATE: account-closed\n", stderr
);
2212 else if (ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED
)
2213 fputs("JOBSTATE: account-limit-reached\n", stderr
);
2214 else if (ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED
)
2215 fputs("JOBSTATE: account-authorization-failed\n", stderr
);
2217 if (ipp_status
== IPP_NOT_AUTHORIZED
|| ipp_status
== IPP_FORBIDDEN
||
2218 ipp_status
== IPP_AUTHENTICATION_CANCELED
)
2219 return (CUPS_BACKEND_AUTH_REQUIRED
);
2220 else if (ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED
||
2221 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED
||
2222 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED
||
2223 ipp_status
== IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED
)
2224 return (CUPS_BACKEND_HOLD
);
2225 else if (ipp_status
== IPP_INTERNAL_ERROR
)
2226 return (CUPS_BACKEND_STOP
);
2227 else if (ipp_status
== IPP_CONFLICT
)
2228 return (CUPS_BACKEND_FAILED
);
2229 else if (ipp_status
== IPP_REQUEST_VALUE
||
2230 ipp_status
== IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES
||
2231 ipp_status
== IPP_DOCUMENT_FORMAT
|| job_canceled
< 0)
2233 if (ipp_status
== IPP_REQUEST_VALUE
)
2234 _cupsLangPrintFilter(stderr
, "ERROR", _("Print job too large."));
2235 else if (ipp_status
== IPP_DOCUMENT_FORMAT
)
2236 _cupsLangPrintFilter(stderr
, "ERROR",
2237 _("Printer cannot print supplied content."));
2238 else if (ipp_status
== IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES
)
2239 _cupsLangPrintFilter(stderr
, "ERROR",
2240 _("Printer cannot print with supplied options."));
2242 _cupsLangPrintFilter(stderr
, "ERROR", _("Print job canceled at printer."));
2244 return (CUPS_BACKEND_CANCEL
);
2246 else if (ipp_status
> IPP_OK_CONFLICT
&& ipp_status
!= IPP_ERROR_JOB_CANCELED
)
2247 return (CUPS_BACKEND_RETRY_CURRENT
);
2249 return (CUPS_BACKEND_OK
);
2254 * 'cancel_job()' - Cancel a print job.
2258 cancel_job(http_t
*http
, /* I - HTTP connection */
2259 const char *uri
, /* I - printer-uri */
2260 int id
, /* I - job-id */
2261 const char *resource
, /* I - Resource path */
2262 const char *user
, /* I - requesting-user-name */
2263 int version
) /* I - IPP version */
2265 ipp_t
*request
; /* Cancel-Job request */
2268 _cupsLangPrintFilter(stderr
, "INFO", _("Canceling print job."));
2270 request
= ippNewRequest(IPP_CANCEL_JOB
);
2271 ippSetVersion(request
, version
/ 10, version
% 10);
2273 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "printer-uri",
2275 ippAddInteger(request
, IPP_TAG_OPERATION
, IPP_TAG_INTEGER
, "job-id", id
);
2277 if (user
&& user
[0])
2278 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
,
2279 "requesting-user-name", NULL
, user
);
2285 ippDelete(cupsDoRequest(http
, request
, resource
));
2290 * 'check_printer_state()' - Check the printer state.
2293 static ipp_pstate_t
/* O - Current printer-state */
2294 check_printer_state(
2295 http_t
*http
, /* I - HTTP connection */
2296 const char *uri
, /* I - Printer URI */
2297 const char *resource
, /* I - Resource path */
2298 const char *user
, /* I - Username, if any */
2299 int version
) /* I - IPP version */
2301 ipp_t
*request
, /* IPP request */
2302 *response
; /* IPP response */
2303 ipp_attribute_t
*attr
; /* Attribute in response */
2304 ipp_pstate_t printer_state
= IPP_PRINTER_STOPPED
;
2305 /* Current printer-state */
2309 * Send a Get-Printer-Attributes request and log the results...
2312 request
= ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES
);
2313 ippSetVersion(request
, version
/ 10, version
% 10);
2315 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "printer-uri",
2318 if (user
&& user
[0])
2319 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
,
2320 "requesting-user-name", NULL
, user
);
2322 ippAddStrings(request
, IPP_TAG_OPERATION
, IPP_TAG_KEYWORD
,
2323 "requested-attributes",
2324 (int)(sizeof(pattrs
) / sizeof(pattrs
[0])), NULL
, pattrs
);
2326 if ((response
= cupsDoRequest(http
, request
, resource
)) != NULL
)
2328 report_printer_state(response
);
2330 if ((attr
= ippFindAttribute(response
, "printer-state",
2331 IPP_TAG_ENUM
)) != NULL
)
2332 printer_state
= (ipp_pstate_t
)attr
->values
[0].integer
;
2334 ippDelete(response
);
2337 fprintf(stderr
, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
2338 ippErrorString(cupsLastError()), cupsLastErrorString());
2341 * Return the printer-state value...
2344 return (printer_state
);
2349 * 'monitor_printer()' - Monitor the printer state.
2352 static void * /* O - Thread exit code */
2354 _cups_monitor_t
*monitor
) /* I - Monitoring data */
2356 http_t
*http
; /* Connection to printer */
2357 ipp_t
*request
, /* IPP request */
2358 *response
; /* IPP response */
2359 ipp_attribute_t
*attr
; /* Attribute in response */
2360 int delay
, /* Current delay */
2361 prev_delay
; /* Previous delay */
2362 ipp_op_t job_op
; /* Operation to use */
2363 int job_id
; /* Job ID */
2364 const char *job_name
; /* Job name */
2365 ipp_jstate_t job_state
; /* Job state */
2366 const char *job_user
; /* Job originating user name */
2367 int password_tries
= 0; /* Password tries */
2371 * Make a copy of the printer connection...
2374 http
= httpConnect2(monitor
->hostname
, monitor
->port
, NULL
, AF_UNSPEC
,
2375 monitor
->encryption
, 1, 0, NULL
);
2376 httpSetTimeout(http
, 30.0, timeout_cb
, NULL
);
2378 cupsSetUser(username
);
2380 cupsSetPasswordCB2((cups_password_cb2_t
)password_cb
, &password_tries
);
2383 * Loop until the job is canceled, aborted, or completed.
2386 delay
= _cupsNextDelay(0, &prev_delay
);
2388 monitor
->job_reasons
= 0;
2390 while (monitor
->job_state
< IPP_JOB_CANCELED
&& !job_canceled
)
2393 * Reconnect to the printer...
2396 if (!httpReconnect(http
))
2399 * Connected, so check on the printer state...
2402 monitor
->printer_state
= check_printer_state(http
, monitor
->uri
,
2406 if (cupsLastError() <= IPP_OK_CONFLICT
)
2409 if (monitor
->job_id
== 0 && monitor
->create_job
)
2412 * No job-id yet, so continue...
2415 goto monitor_disconnect
;
2419 * Check the status of the job itself...
2422 job_op
= (monitor
->job_id
> 0 && monitor
->get_job_attrs
) ?
2423 IPP_GET_JOB_ATTRIBUTES
: IPP_GET_JOBS
;
2424 request
= ippNewRequest(job_op
);
2425 ippSetVersion(request
, monitor
->version
/ 10, monitor
->version
% 10);
2427 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "printer-uri",
2428 NULL
, monitor
->uri
);
2429 if (job_op
== IPP_GET_JOB_ATTRIBUTES
)
2430 ippAddInteger(request
, IPP_TAG_OPERATION
, IPP_TAG_INTEGER
, "job-id",
2433 if (monitor
->user
&& monitor
->user
[0])
2434 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
,
2435 "requesting-user-name", NULL
, monitor
->user
);
2437 ippAddStrings(request
, IPP_TAG_OPERATION
, IPP_TAG_KEYWORD
,
2438 "requested-attributes",
2439 (int)(sizeof(jattrs
) / sizeof(jattrs
[0])), NULL
, jattrs
);
2445 response
= cupsDoRequest(http
, request
, monitor
->resource
);
2447 fprintf(stderr
, "DEBUG: (monitor) %s: %s (%s)\n", ippOpString(job_op
),
2448 ippErrorString(cupsLastError()), cupsLastErrorString());
2450 if (cupsLastError() <= IPP_OK_CONFLICT
)
2453 if (job_op
== IPP_GET_JOB_ATTRIBUTES
)
2455 if ((attr
= ippFindAttribute(response
, "job-state",
2456 IPP_TAG_ENUM
)) != NULL
)
2457 monitor
->job_state
= (ipp_jstate_t
)attr
->values
[0].integer
;
2459 monitor
->job_state
= IPP_JOB_COMPLETED
;
2463 for (attr
= response
->attrs
; attr
; attr
= attr
->next
)
2467 job_state
= IPP_JOB_PENDING
;
2470 while (attr
&& attr
->group_tag
!= IPP_TAG_JOB
)
2476 while (attr
&& attr
->group_tag
== IPP_TAG_JOB
)
2478 if (!strcmp(attr
->name
, "job-id") &&
2479 attr
->value_tag
== IPP_TAG_INTEGER
)
2480 job_id
= attr
->values
[0].integer
;
2481 else if (!strcmp(attr
->name
, "job-name") &&
2482 (attr
->value_tag
== IPP_TAG_NAME
||
2483 attr
->value_tag
== IPP_TAG_NAMELANG
))
2484 job_name
= attr
->values
[0].string
.text
;
2485 else if (!strcmp(attr
->name
, "job-state") &&
2486 attr
->value_tag
== IPP_TAG_ENUM
)
2487 job_state
= (ipp_jstate_t
)attr
->values
[0].integer
;
2488 else if (!strcmp(attr
->name
, "job-originating-user-name") &&
2489 (attr
->value_tag
== IPP_TAG_NAME
||
2490 attr
->value_tag
== IPP_TAG_NAMELANG
))
2491 job_user
= attr
->values
[0].string
.text
;
2496 if (job_id
> 0 && job_name
&& !strcmp(job_name
, monitor
->job_name
) &&
2497 job_user
&& monitor
->user
&& !strcmp(job_user
, monitor
->user
))
2499 monitor
->job_id
= job_id
;
2500 monitor
->job_state
= job_state
;
2509 fprintf(stderr
, "DEBUG: (monitor) job-state = %s\n",
2510 ippEnumString("job-state", monitor
->job_state
));
2512 if (!job_canceled
&&
2513 (monitor
->job_state
== IPP_JOB_CANCELED
||
2514 monitor
->job_state
== IPP_JOB_ABORTED
))
2517 fprintf(stderr
, "DEBUG: (monitor) job_canceled = -1\n");
2520 if ((attr
= ippFindAttribute(response
, "job-state-reasons",
2521 IPP_TAG_KEYWORD
)) != NULL
)
2523 int i
, new_reasons
= 0; /* Looping var, new reasons */
2525 for (i
= 0; i
< attr
->num_values
; i
++)
2527 if (!strcmp(attr
->values
[i
].string
.text
,
2528 "account-authorization-failed"))
2529 new_reasons
|= _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED
;
2530 else if (!strcmp(attr
->values
[i
].string
.text
, "account-closed"))
2531 new_reasons
|= _CUPS_JSR_ACCOUNT_CLOSED
;
2532 else if (!strcmp(attr
->values
[i
].string
.text
, "account-info-needed"))
2533 new_reasons
|= _CUPS_JSR_ACCOUNT_INFO_NEEDED
;
2534 else if (!strcmp(attr
->values
[i
].string
.text
,
2535 "account-limit-reached"))
2536 new_reasons
|= _CUPS_JSR_ACCOUNT_LIMIT_REACHED
;
2537 else if (!strcmp(attr
->values
[i
].string
.text
, "job-password-wait"))
2538 new_reasons
|= _CUPS_JSR_JOB_PASSWORD_WAIT
;
2539 else if (!strcmp(attr
->values
[i
].string
.text
, "job-release-wait"))
2540 new_reasons
|= _CUPS_JSR_JOB_RELEASE_WAIT
;
2541 if (!job_canceled
&&
2542 (!strncmp(attr
->values
[i
].string
.text
, "job-canceled-", 13) || !strcmp(attr
->values
[i
].string
.text
, "aborted-by-system")))
2546 if (new_reasons
!= monitor
->job_reasons
)
2548 if (new_reasons
& _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED
)
2549 fputs("JOBSTATE: account-authorization-failed\n", stderr
);
2550 else if (new_reasons
& _CUPS_JSR_ACCOUNT_CLOSED
)
2551 fputs("JOBSTATE: account-closed\n", stderr
);
2552 else if (new_reasons
& _CUPS_JSR_ACCOUNT_INFO_NEEDED
)
2553 fputs("JOBSTATE: account-info-needed\n", stderr
);
2554 else if (new_reasons
& _CUPS_JSR_ACCOUNT_LIMIT_REACHED
)
2555 fputs("JOBSTATE: account-limit-reached\n", stderr
);
2556 else if (new_reasons
& _CUPS_JSR_JOB_PASSWORD_WAIT
)
2557 fputs("JOBSTATE: job-password-wait\n", stderr
);
2558 else if (new_reasons
& _CUPS_JSR_JOB_RELEASE_WAIT
)
2559 fputs("JOBSTATE: job-release-wait\n", stderr
);
2561 fputs("JOBSTATE: job-printing\n", stderr
);
2563 monitor
->job_reasons
= new_reasons
;
2567 ippDelete(response
);
2569 fprintf(stderr
, "DEBUG: (monitor) job-state = %s\n",
2570 ippEnumString("job-state", monitor
->job_state
));
2572 if (!job_canceled
&&
2573 (monitor
->job_state
== IPP_JOB_CANCELED
||
2574 monitor
->job_state
== IPP_JOB_ABORTED
))
2578 * Disconnect from the printer - we'll reconnect on the next poll...
2583 _httpDisconnect(http
);
2587 * Sleep for N seconds...
2590 sleep((unsigned)delay
);
2592 delay
= _cupsNextDelay(delay
, &prev_delay
);
2596 * Cancel the job if necessary...
2599 if (job_canceled
> 0 && monitor
->job_id
> 0)
2601 if (!httpReconnect(http
))
2603 cancel_job(http
, monitor
->uri
, monitor
->job_id
, monitor
->resource
,
2604 monitor
->user
, monitor
->version
);
2606 if (cupsLastError() > IPP_OK_CONFLICT
)
2608 fprintf(stderr
, "DEBUG: (monitor) cancel_job() = %s\n", cupsLastErrorString());
2609 _cupsLangPrintFilter(stderr
, "ERROR", _("Unable to cancel print job."));
2615 * Cleanup and return...
2625 * 'new_request()' - Create a new print creation or validation request.
2628 static ipp_t
* /* O - Request data */
2630 ipp_op_t op
, /* I - IPP operation code */
2631 int version
, /* I - IPP version number */
2632 const char *uri
, /* I - printer-uri value */
2633 const char *user
, /* I - requesting-user-name value */
2634 const char *title
, /* I - job-name value */
2635 int num_options
, /* I - Number of options to send */
2636 cups_option_t
*options
, /* I - Options to send */
2637 const char *compression
, /* I - compression value or NULL */
2638 int copies
, /* I - copies value or 0 */
2639 const char *format
, /* I - document-format value or NULL */
2640 _ppd_cache_t
*pc
, /* I - PPD cache and mapping data */
2641 ppd_file_t
*ppd
, /* I - PPD file data */
2642 ipp_attribute_t
*media_col_sup
, /* I - media-col-supported values */
2643 ipp_attribute_t
*doc_handling_sup
, /* I - multiple-document-handling-supported values */
2644 ipp_attribute_t
*print_color_mode_sup
)
2645 /* I - Printer supports print-color-mode */
2647 ipp_t
*request
; /* Request data */
2648 const char *keyword
; /* PWG keyword */
2649 ipp_tag_t group
; /* Current group */
2650 ipp_attribute_t
*attr
; /* Current attribute */
2651 char buffer
[1024]; /* Value buffer */
2655 * Create the IPP request...
2658 request
= ippNewRequest(op
);
2659 ippSetVersion(request
, version
/ 10, version
% 10);
2661 fprintf(stderr
, "DEBUG: %s IPP/%d.%d\n",
2662 ippOpString(request
->request
.op
.operation_id
),
2663 request
->request
.op
.version
[0],
2664 request
->request
.op
.version
[1]);
2667 * Add standard attributes...
2670 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "printer-uri", NULL
, uri
);
2671 fprintf(stderr
, "DEBUG: printer-uri=\"%s\"\n", uri
);
2675 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
, "requesting-user-name", NULL
, user
);
2676 fprintf(stderr
, "DEBUG: requesting-user-name=\"%s\"\n", user
);
2679 if (title
&& *title
)
2681 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
, "job-name", NULL
, title
);
2682 fprintf(stderr
, "DEBUG: job-name=\"%s\"\n", title
);
2685 if (format
&& op
!= IPP_CREATE_JOB
)
2687 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_MIMETYPE
, "document-format", NULL
, format
);
2688 fprintf(stderr
, "DEBUG: document-format=\"%s\"\n", format
);
2692 if (compression
&& op
!= IPP_OP_CREATE_JOB
&& op
!= IPP_OP_VALIDATE_JOB
)
2694 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_KEYWORD
, "compression", NULL
, compression
);
2695 fprintf(stderr
, "DEBUG: compression=\"%s\"\n", compression
);
2697 #endif /* HAVE_LIBZ */
2700 * Handle options on the command-line...
2703 if (num_options
> 0)
2708 * Send standard IPP attributes...
2711 fputs("DEBUG: Adding standard IPP operation/job attributes.\n", stderr
);
2713 copies
= _cupsConvertOptions(request
, ppd
, pc
, media_col_sup
, doc_handling_sup
, print_color_mode_sup
, user
, format
, copies
, num_options
, options
);
2716 * Map FaxOut options...
2719 if ((keyword
= cupsGetOption("phone", num_options
, options
)) != NULL
)
2721 ipp_t
*destination
; /* destination collection */
2722 char phone
[1024], /* Phone number string */
2723 *ptr
, /* Pointer into string */
2724 tel_uri
[1024]; /* tel: URI */
2725 static const char * const allowed
= "0123456789#*-+.()";
2726 /* Allowed characters */
2728 destination
= ippNew();
2731 * Unescape and filter out spaces and other characters that are not
2732 * allowed in a tel: URI.
2735 _httpDecodeURI(phone
, keyword
, sizeof(phone
));
2736 for (ptr
= phone
; *ptr
;)
2738 if (!strchr(allowed
, *ptr
))
2739 _cups_strcpy(ptr
, ptr
+ 1);
2744 httpAssembleURI(HTTP_URI_CODING_ALL
, tel_uri
, sizeof(tel_uri
), "tel", NULL
, NULL
, 0, phone
);
2745 ippAddString(destination
, IPP_TAG_JOB
, IPP_TAG_URI
, "destination-uri", NULL
, tel_uri
);
2747 if ((keyword
= cupsGetOption("faxPrefix", num_options
,
2748 options
)) != NULL
&& *keyword
)
2750 char predial
[1024]; /* Pre-dial string */
2752 _httpDecodeURI(predial
, keyword
, sizeof(predial
));
2753 ippAddString(destination
, IPP_TAG_JOB
, IPP_TAG_TEXT
, "pre-dial-string", NULL
, predial
);
2756 ippAddCollection(request
, IPP_TAG_JOB
, "destination-uris", destination
);
2757 ippDelete(destination
);
2763 * When talking to another CUPS server, send all options...
2766 fputs("DEBUG: Adding all operation/job attributes.\n", stderr
);
2767 cupsEncodeOptions2(request
, num_options
, options
, IPP_TAG_OPERATION
);
2768 cupsEncodeOptions2(request
, num_options
, options
, IPP_TAG_JOB
);
2771 if (copies
> 1 && (!pc
|| copies
<= pc
->max_copies
))
2772 ippAddInteger(request
, IPP_TAG_JOB
, IPP_TAG_INTEGER
, "copies", copies
);
2775 fprintf(stderr
, "DEBUG: IPP/%d.%d %s #%d\n", version
/ 10, version
% 10,
2776 ippOpString(ippGetOperation(request
)), ippGetRequestId(request
));
2777 for (group
= IPP_TAG_ZERO
, attr
= ippFirstAttribute(request
);
2779 attr
= ippNextAttribute(request
))
2781 const char *name
= ippGetName(attr
);
2785 group
= IPP_TAG_ZERO
;
2789 if (group
!= ippGetGroupTag(attr
))
2791 group
= ippGetGroupTag(attr
);
2792 fprintf(stderr
, "DEBUG: ---- %s ----\n", ippTagString(group
));
2795 ippAttributeString(attr
, buffer
, sizeof(buffer
));
2796 fprintf(stderr
, "DEBUG: %s %s%s %s\n", name
,
2797 ippGetCount(attr
) > 1 ? "1setOf " : "",
2798 ippTagString(ippGetValueTag(attr
)), buffer
);
2801 fprintf(stderr
, "DEBUG: ---- %s ----\n", ippTagString(IPP_TAG_END
));
2808 * 'password_cb()' - Disable the password prompt for cupsDoFileRequest().
2811 static const char * /* O - Password */
2812 password_cb(const char *prompt
, /* I - Prompt (not used) */
2813 http_t
*http
, /* I - Connection */
2814 const char *method
, /* I - Request method (not used) */
2815 const char *resource
, /* I - Resource path (not used) */
2816 int *password_tries
) /* I - Password tries */
2818 char def_username
[HTTP_MAX_VALUE
]; /* Default username */
2821 fprintf(stderr
, "DEBUG: password_cb(prompt=\"%s\", http=%p, method=\"%s\", "
2822 "resource=\"%s\", password_tries=%p(%d)), password=%p\n",
2823 prompt
, http
, method
, resource
, password_tries
, *password_tries
,
2830 if (!uri_credentials
)
2833 * Remember that we need to authenticate...
2836 auth_info_required
= "username,password";
2838 if (httpGetSubField(http
, HTTP_FIELD_WWW_AUTHENTICATE
, "username",
2841 char quoted
[HTTP_MAX_VALUE
* 2 + 4];
2844 fprintf(stderr
, "ATTR: auth-info-default=%s,\n",
2845 quote_string(def_username
, quoted
, sizeof(quoted
)));
2849 if (password
&& *password
&& *password_tries
< 3)
2851 (*password_tries
) ++;
2853 cupsSetUser(username
);
2860 * Give up after 3 tries or if we don't have a password to begin with...
2869 * 'quote_string()' - Quote a string value.
2872 static const char * /* O - Quoted string */
2873 quote_string(const char *s
, /* I - String */
2874 char *q
, /* I - Quoted string buffer */
2875 size_t qsize
) /* I - Size of quoted string buffer */
2877 char *qptr
, /* Pointer into string buffer */
2878 *qend
; /* End of string buffer */
2882 qend
= q
+ qsize
- 5;
2893 while (*s
&& qptr
< qend
)
2895 if (*s
== '\\' || *s
== '\"' || *s
== '\'')
2897 if (qptr
< (qend
- 4))
2919 * 'report_attr()' - Report an IPP attribute value.
2923 report_attr(ipp_attribute_t
*attr
) /* I - Attribute */
2925 int i
; /* Looping var */
2926 char value
[1024], /* Value string */
2927 *valptr
; /* Pointer into value string */
2928 const char *cached
; /* Cached attribute */
2932 * Convert the attribute values into quoted strings...
2935 for (i
= 0, valptr
= value
;
2936 i
< attr
->num_values
&& valptr
< (value
+ sizeof(value
) - 10);
2942 switch (attr
->value_tag
)
2944 case IPP_TAG_INTEGER
:
2946 snprintf(valptr
, sizeof(value
) - (size_t)(valptr
- value
), "%d", attr
->values
[i
].integer
);
2947 valptr
+= strlen(valptr
);
2952 case IPP_TAG_KEYWORD
:
2953 quote_string(attr
->values
[i
].string
.text
, valptr
, (size_t)(value
+ sizeof(value
) - valptr
));
2954 valptr
+= strlen(valptr
);
2959 * Unsupported value type...
2968 _cupsMutexLock(&report_mutex
);
2970 if ((cached
= cupsGetOption(attr
->name
, num_attr_cache
,
2971 attr_cache
)) == NULL
|| strcmp(cached
, value
))
2974 * Tell the scheduler about the new values...
2977 num_attr_cache
= cupsAddOption(attr
->name
, value
, num_attr_cache
,
2979 fprintf(stderr
, "ATTR: %s=%s\n", attr
->name
, value
);
2982 _cupsMutexUnlock(&report_mutex
);
2987 * 'report_printer_state()' - Report the printer state.
2991 report_printer_state(ipp_t
*ipp
) /* I - IPP response */
2993 ipp_attribute_t
*pa
, /* printer-alert */
2994 *pam
, /* printer-alert-message */
2995 *pmja
, /* printer-mandatory-job-attributes */
2996 *psm
, /* printer-state-message */
2997 *reasons
, /* printer-state-reasons */
2998 *marker
; /* marker-* attributes */
2999 char value
[1024], /* State/message string */
3000 *valptr
; /* Pointer into string */
3001 static int ipp_supplies
= -1;
3002 /* Report supply levels? */
3006 * Report alerts and messages...
3009 if ((pa
= ippFindAttribute(ipp
, "printer-alert", IPP_TAG_TEXT
)) != NULL
)
3012 if ((pam
= ippFindAttribute(ipp
, "printer-alert-message",
3013 IPP_TAG_TEXT
)) != NULL
)
3016 if ((pmja
= ippFindAttribute(ipp
, "printer-mandatory-job-attributes", IPP_TAG_KEYWORD
)) != NULL
)
3018 int i
, /* Looping var */
3019 count
= ippGetCount(pmja
); /* Number of values */
3021 for (i
= 0, valptr
= value
; i
< count
; i
++, valptr
+= strlen(valptr
))
3024 snprintf(valptr
, sizeof(value
) - (size_t)(valptr
- value
), " %s", ippGetString(pmja
, i
, NULL
));
3026 strlcpy(value
, ippGetString(pmja
, i
, NULL
), sizeof(value
));
3029 if (strcmp(value
, mandatory_attrs
))
3031 strlcpy(mandatory_attrs
, value
, sizeof(mandatory_attrs
));
3032 fprintf(stderr
, "PPD: cupsMandatory=\"%s\"\n", value
);
3036 if ((psm
= ippFindAttribute(ipp
, "printer-state-message",
3037 IPP_TAG_TEXT
)) != NULL
)
3039 char *ptr
; /* Pointer into message */
3042 strlcpy(value
, "INFO: ", sizeof(value
));
3043 for (ptr
= psm
->values
[0].string
.text
, valptr
= value
+ 6;
3044 *ptr
&& valptr
< (value
+ sizeof(value
) - 6);
3047 if (*ptr
< ' ' && *ptr
> 0 && *ptr
!= '\t')
3050 * Substitute "<XX>" for the control character; sprintf is safe because
3051 * we always leave 6 chars free at the end...
3054 sprintf(valptr
, "<%02X>", *ptr
);
3064 fputs(value
, stderr
);
3068 * Now report printer-state-reasons, filtering out some of the reasons we never
3072 if ((reasons
= ippFindAttribute(ipp
, "printer-state-reasons",
3073 IPP_TAG_KEYWORD
)) == NULL
)
3076 update_reasons(reasons
, NULL
);
3079 * Relay the current marker-* attribute values...
3082 if (ipp_supplies
< 0)
3084 ppd_file_t
*ppd
; /* PPD file */
3085 ppd_attr_t
*ppdattr
; /* Attribute in PPD file */
3087 if ((ppd
= ppdOpenFile(getenv("PPD"))) != NULL
&&
3088 (ppdattr
= ppdFindAttr(ppd
, "cupsIPPSupplies", NULL
)) != NULL
&&
3089 ppdattr
->value
&& _cups_strcasecmp(ppdattr
->value
, "true"))
3097 if (ipp_supplies
> 0)
3099 if ((marker
= ippFindAttribute(ipp
, "marker-colors", IPP_TAG_NAME
)) != NULL
)
3100 report_attr(marker
);
3101 if ((marker
= ippFindAttribute(ipp
, "marker-high-levels",
3102 IPP_TAG_INTEGER
)) != NULL
)
3103 report_attr(marker
);
3104 if ((marker
= ippFindAttribute(ipp
, "marker-levels",
3105 IPP_TAG_INTEGER
)) != NULL
)
3106 report_attr(marker
);
3107 if ((marker
= ippFindAttribute(ipp
, "marker-low-levels",
3108 IPP_TAG_INTEGER
)) != NULL
)
3109 report_attr(marker
);
3110 if ((marker
= ippFindAttribute(ipp
, "marker-message",
3111 IPP_TAG_TEXT
)) != NULL
)
3112 report_attr(marker
);
3113 if ((marker
= ippFindAttribute(ipp
, "marker-names", IPP_TAG_NAME
)) != NULL
)
3114 report_attr(marker
);
3115 if ((marker
= ippFindAttribute(ipp
, "marker-types",
3116 IPP_TAG_KEYWORD
)) != NULL
)
3117 report_attr(marker
);
3122 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3124 * 'run_as_user()' - Run the IPP backend as the printing user.
3126 * This function uses an XPC-based user agent to run the backend as the printing
3127 * user. We need to do this in order to have access to the user's Kerberos
3131 static int /* O - Exit status */
3132 run_as_user(char *argv
[], /* I - Command-line arguments */
3133 uid_t uid
, /* I - User ID */
3134 const char *device_uri
, /* I - Device URI */
3135 int fd
) /* I - File to print */
3137 const char *auth_negotiate
;/* AUTH_NEGOTIATE env var */
3138 xpc_connection_t conn
; /* Connection to XPC service */
3139 xpc_object_t request
; /* Request message dictionary */
3140 __block xpc_object_t response
; /* Response message dictionary */
3141 dispatch_semaphore_t sem
; /* Semaphore for waiting for response */
3142 int status
= CUPS_BACKEND_FAILED
;
3143 /* Status of request */
3146 fprintf(stderr
, "DEBUG: Running IPP backend as UID %d.\n", (int)uid
);
3149 * Connect to the user agent for the specified UID...
3152 conn
= xpc_connection_create_mach_service(kPMPrintUIToolAgent
,
3153 dispatch_get_global_queue(0, 0), 0);
3156 _cupsLangPrintFilter(stderr
, "ERROR",
3157 _("Unable to start backend process."));
3158 fputs("DEBUG: Unable to create connection to agent.\n", stderr
);
3162 xpc_connection_set_event_handler(conn
,
3163 ^(xpc_object_t event
)
3165 xpc_type_t messageType
= xpc_get_type(event
);
3167 if (messageType
== XPC_TYPE_ERROR
)
3169 if (event
== XPC_ERROR_CONNECTION_INTERRUPTED
)
3170 fprintf(stderr
, "DEBUG: Interrupted connection to service %s.\n",
3171 xpc_connection_get_name(conn
));
3172 else if (event
== XPC_ERROR_CONNECTION_INVALID
)
3173 fprintf(stderr
, "DEBUG: Connection invalid for service %s.\n",
3174 xpc_connection_get_name(conn
));
3176 fprintf(stderr
, "DEBUG: Unxpected error for service %s: %s\n",
3177 xpc_connection_get_name(conn
),
3178 xpc_dictionary_get_string(event
, XPC_ERROR_KEY_DESCRIPTION
));
3181 xpc_connection_set_target_uid(conn
, uid
);
3182 xpc_connection_resume(conn
);
3185 * Try starting the backend...
3188 request
= xpc_dictionary_create(NULL
, NULL
, 0);
3189 xpc_dictionary_set_int64(request
, "command", kPMStartJob
);
3190 xpc_dictionary_set_string(request
, "device-uri", device_uri
);
3191 xpc_dictionary_set_string(request
, "job-id", argv
[1]);
3192 xpc_dictionary_set_string(request
, "user", argv
[2]);
3193 xpc_dictionary_set_string(request
, "title", argv
[3]);
3194 xpc_dictionary_set_string(request
, "copies", argv
[4]);
3195 xpc_dictionary_set_string(request
, "options", argv
[5]);
3196 xpc_dictionary_set_string(request
, "auth-info-required",
3197 getenv("AUTH_INFO_REQUIRED"));
3198 if ((auth_negotiate
= getenv("AUTH_NEGOTIATE")) != NULL
)
3199 xpc_dictionary_set_string(request
, "auth-negotiate", auth_negotiate
);
3200 xpc_dictionary_set_fd(request
, "stdin", fd
);
3201 xpc_dictionary_set_fd(request
, "stderr", 2);
3202 xpc_dictionary_set_fd(request
, "side-channel", CUPS_SC_FD
);
3204 sem
= dispatch_semaphore_create(0);
3207 xpc_connection_send_message_with_reply(conn
, request
,
3208 dispatch_get_global_queue(0,0),
3209 ^(xpc_object_t reply
)
3211 /* Save the response and wake up */
3212 if (xpc_get_type(reply
)
3213 == XPC_TYPE_DICTIONARY
)
3214 response
= xpc_retain(reply
);
3216 dispatch_semaphore_signal(sem
);
3219 dispatch_semaphore_wait(sem
, DISPATCH_TIME_FOREVER
);
3220 xpc_release(request
);
3221 dispatch_release(sem
);
3225 child_pid
= (pid_t
)xpc_dictionary_get_int64(response
, "child-pid");
3227 xpc_release(response
);
3230 fprintf(stderr
, "DEBUG: Child PID=%d.\n", (int)child_pid
);
3233 _cupsLangPrintFilter(stderr
, "ERROR",
3234 _("Unable to start backend process."));
3235 fputs("DEBUG: No child PID.\n", stderr
);
3241 _cupsLangPrintFilter(stderr
, "ERROR",
3242 _("Unable to start backend process."));
3243 fputs("DEBUG: No reply from agent.\n", stderr
);
3248 * Then wait for the backend to finish...
3251 request
= xpc_dictionary_create(NULL
, NULL
, 0);
3252 xpc_dictionary_set_int64(request
, "command", kPMWaitForJob
);
3253 xpc_dictionary_set_fd(request
, "stderr", 2);
3255 sem
= dispatch_semaphore_create(0);
3258 xpc_connection_send_message_with_reply(conn
, request
,
3259 dispatch_get_global_queue(0,0),
3260 ^(xpc_object_t reply
)
3262 /* Save the response and wake up */
3263 if (xpc_get_type(reply
)
3264 == XPC_TYPE_DICTIONARY
)
3265 response
= xpc_retain(reply
);
3267 dispatch_semaphore_signal(sem
);
3270 dispatch_semaphore_wait(sem
, DISPATCH_TIME_FOREVER
);
3271 xpc_release(request
);
3272 dispatch_release(sem
);
3276 status
= (int)xpc_dictionary_get_int64(response
, "status");
3278 if (status
== SIGTERM
|| status
== SIGKILL
|| status
== SIGPIPE
)
3280 fprintf(stderr
, "DEBUG: Child terminated on signal %d.\n", status
);
3281 status
= CUPS_BACKEND_FAILED
;
3283 else if (WIFSIGNALED(status
))
3285 fprintf(stderr
, "DEBUG: Child crashed on signal %d.\n", status
);
3286 status
= CUPS_BACKEND_STOP
;
3288 else if (WIFEXITED(status
))
3290 status
= WEXITSTATUS(status
);
3291 fprintf(stderr
, "DEBUG: Child exited with status %d.\n", status
);
3294 xpc_release(response
);
3297 _cupsLangPrintFilter(stderr
, "ERROR",
3298 _("Unable to get backend exit status."));
3304 xpc_connection_cancel(conn
);
3310 #endif /* HAVE_GSSAPI && HAVE_XPC */
3314 * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend.
3318 sigterm_handler(int sig
) /* I - Signal */
3320 (void)sig
; /* remove compiler warnings... */
3322 write(2, "DEBUG: Got SIGTERM.\n", 20);
3324 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3327 kill(child_pid
, sig
);
3330 #endif /* HAVE_GSSAPI && HAVE_XPC */
3335 * Flag that the job should be canceled...
3338 write(2, "DEBUG: sigterm_handler: job_canceled = 1.\n", 25);
3345 * The scheduler already tried to cancel us once, now just terminate
3346 * after removing our temp file!
3350 unlink(tmpfilename
);
3357 * 'timeout_cb()' - Handle HTTP timeouts.
3360 static int /* O - 1 to continue, 0 to cancel */
3361 timeout_cb(http_t
*http
, /* I - Connection to server (unused) */
3362 void *user_data
) /* I - User data (unused) */
3367 return (!job_canceled
);
3372 * 'update_reasons()' - Update the printer-state-reasons values.
3376 update_reasons(ipp_attribute_t
*attr
, /* I - printer-state-reasons or NULL */
3377 const char *s
) /* I - STATE: string or NULL */
3379 char op
; /* Add (+), remove (-), replace (\0) */
3380 cups_array_t
*new_reasons
; /* New reasons array */
3381 char *reason
, /* Current reason */
3382 add
[2048], /* Reasons added string */
3383 *addptr
, /* Pointer into add string */
3384 rem
[2048], /* Reasons removed string */
3385 *remptr
; /* Pointer into remove string */
3386 const char *addprefix
, /* Current add string prefix */
3387 *remprefix
; /* Current remove string prefix */
3390 fprintf(stderr
, "DEBUG: update_reasons(attr=%d(%s%s), s=\"%s\")\n",
3391 attr
? attr
->num_values
: 0, attr
? attr
->values
[0].string
.text
: "",
3392 attr
&& attr
->num_values
> 1 ? ",..." : "", s
? s
: "(null)");
3395 * Create an array of new reason keyword strings...
3400 int i
; /* Looping var */
3402 new_reasons
= cupsArrayNew((cups_array_func_t
)strcmp
, NULL
);
3405 for (i
= 0; i
< attr
->num_values
; i
++)
3407 reason
= attr
->values
[i
].string
.text
;
3409 if (strcmp(reason
, "none") &&
3410 strcmp(reason
, "none-report") &&
3411 strcmp(reason
, "paused") &&
3412 strncmp(reason
, "spool-area-full", 15) &&
3413 strcmp(reason
, "com.apple.print.recoverable-warning") &&
3414 strncmp(reason
, "cups-", 5))
3415 cupsArrayAdd(new_reasons
, reason
);
3420 if (*s
== '+' || *s
== '-')
3425 new_reasons
= _cupsArrayNewStrings(s
, ',');
3431 * Compute the changes...
3435 addprefix
= "STATE: +";
3438 remprefix
= "STATE: -";
3441 fprintf(stderr
, "DEBUG2: op='%c', new_reasons=%d, state_reasons=%d\n",
3442 op
? op
: ' ', cupsArrayCount(new_reasons
),
3443 cupsArrayCount(state_reasons
));
3445 _cupsMutexLock(&report_mutex
);
3453 for (reason
= (char *)cupsArrayFirst(new_reasons
);
3455 reason
= (char *)cupsArrayNext(new_reasons
))
3457 if (!cupsArrayFind(state_reasons
, reason
))
3459 if (!strncmp(reason
, "cups-remote-", 12))
3462 * If we are setting cups-remote-xxx, remove all other cups-remote-xxx
3466 char *temp
; /* Current reason in state_reasons */
3468 cupsArraySave(state_reasons
);
3470 for (temp
= (char *)cupsArrayFirst(state_reasons
);
3472 temp
= (char *)cupsArrayNext(state_reasons
))
3473 if (!strncmp(temp
, "cups-remote-", 12))
3475 snprintf(remptr
, sizeof(rem
) - (size_t)(remptr
- rem
), "%s%s", remprefix
, temp
);
3476 remptr
+= strlen(remptr
);
3479 cupsArrayRemove(state_reasons
, temp
);
3483 cupsArrayRestore(state_reasons
);
3486 cupsArrayAdd(state_reasons
, reason
);
3488 snprintf(addptr
, sizeof(add
) - (size_t)(addptr
- add
), "%s%s", addprefix
, reason
);
3489 addptr
+= strlen(addptr
);
3500 for (reason
= (char *)cupsArrayFirst(new_reasons
);
3502 reason
= (char *)cupsArrayNext(new_reasons
))
3504 if (cupsArrayFind(state_reasons
, reason
))
3506 snprintf(remptr
, sizeof(rem
) - (size_t)(remptr
- rem
), "%s%s", remprefix
, reason
);
3507 remptr
+= strlen(remptr
);
3510 cupsArrayRemove(state_reasons
, reason
);
3517 * Replace reasons...
3520 for (reason
= (char *)cupsArrayFirst(state_reasons
);
3522 reason
= (char *)cupsArrayNext(state_reasons
))
3524 if (strncmp(reason
, "cups-", 5) && !cupsArrayFind(new_reasons
, reason
))
3526 snprintf(remptr
, sizeof(rem
) - (size_t)(remptr
- rem
), "%s%s", remprefix
, reason
);
3527 remptr
+= strlen(remptr
);
3530 cupsArrayRemove(state_reasons
, reason
);
3534 for (reason
= (char *)cupsArrayFirst(new_reasons
);
3536 reason
= (char *)cupsArrayNext(new_reasons
))
3538 if (!cupsArrayFind(state_reasons
, reason
))
3540 cupsArrayAdd(state_reasons
, reason
);
3542 snprintf(addptr
, sizeof(add
) - (size_t)(addptr
- add
), "%s%s", addprefix
, reason
);
3543 addptr
+= strlen(addptr
);
3549 _cupsMutexUnlock(&report_mutex
);
3552 * Report changes and return...
3555 if (add
[0] && rem
[0])
3556 fprintf(stderr
, "%s\n%s\n", add
, rem
);
3558 fprintf(stderr
, "%s\n", add
);
3560 fprintf(stderr
, "%s\n", rem
);