2 * "$Id: usb-darwin.c 7460 2008-04-16 02:19:54Z mike $"
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46 * list_devices() - List all USB devices.
47 * print_device() - Print a file to a USB device.
48 * sidechannel_thread() - Thread to handle side-channel requests.
49 * read_thread() - Thread to read the backchannel data on.
50 * list_device_cb() - list_device iterator callback.
51 * find_device_cb() - print_device iterator callback.
52 * status_timer_cb() - Status timer callback.
53 * iterate_printers() - Iterate over all the printers.
54 * device_added() - Device added notifier.
55 * copy_deviceinfo() - Copy strings from the 1284 device ID.
56 * release_deviceinfo() - Release deviceinfo strings.
57 * load_classdriver() - Load a classdriver.
58 * unload_classdriver() - Unload a classdriver.
59 * load_printerdriver() - Load vendor's classdriver.
60 * registry_open() - Open a connection to the printer.
61 * registry_close() - Close the connection to the printer.
62 * copy_deviceid() - Copy the 1284 device id string.
63 * copy_devicestring() - Copy the 1284 device id string.
64 * copy_value_for_key() - Copy value string associated with a key.
65 * cfstr_create_trim() - Create CFString and trim whitespace characters.
66 * parse_options() - Parse uri options.
67 * setup_cfLanguage() - Create AppleLanguages array from LANG environment var.
68 * run_legacy_backend() - Re-exec backend as ppc or i386.
69 * sigterm_handler() - SIGTERM handler.
70 * next_line() - Find the next line in a buffer.
71 * parse_pserror() - Scan the backchannel data for postscript errors.
72 * get_device_id() - Return IEEE-1284 device ID.
76 * Include necessary headers.
87 #include <sys/sysctl.h>
89 #include <mach/mach.h>
90 #include <mach/mach_error.h>
91 #include <mach/mach_time.h>
92 #include <cups/debug.h>
93 #include <cups/sidechannel.h>
94 #include <cups/i18n.h>
95 #include "backend-private.h"
97 #include <CoreFoundation/CoreFoundation.h>
98 #include <IOKit/usb/IOUSBLib.h>
99 #include <IOKit/IOCFPlugIn.h>
104 extern char **environ
;
108 * WAIT_EOF_DELAY is number of seconds we'll wait for responses from
109 * the printer after we've finished sending all the data
111 #define WAIT_EOF_DELAY 7
112 #define WAIT_SIDE_DELAY 3
113 #define DEFAULT_TIMEOUT 5000L
115 #define USB_INTERFACE_KIND CFUUIDGetUUIDBytes(kIOUSBInterfaceInterfaceID190)
116 #define kUSBLanguageEnglish 0x409
118 #define PRINTER_POLLING_INTERVAL 5 /* seconds */
119 #define INITIAL_LOG_INTERVAL PRINTER_POLLING_INTERVAL
120 #define SUBSEQUENT_LOG_INTERVAL 3 * INITIAL_LOG_INTERVAL
122 #define kUSBPrinterClassTypeID CFUUIDGetConstantUUIDWithBytes(NULL, 0x06, 0x04, 0x7D, 0x16, 0x53, 0xA2, 0x11, 0xD6, 0x92, 0x06, 0x00, 0x30, 0x65, 0x52, 0x45, 0x92)
123 #define kUSBPrinterClassInterfaceID CFUUIDGetConstantUUIDWithBytes(NULL, 0x03, 0x34, 0x6D, 0x74, 0x53, 0xA3, 0x11, 0xD6, 0x9E, 0xA1, 0x76, 0x30, 0x65, 0x52, 0x45, 0x92)
125 #define kUSBClassDriverProperty CFSTR("USB Printing Class")
127 #define kUSBGenericTOPrinterClassDriver CFSTR("/System/Library/Printers/Libraries/USBGenericTOPrintingClass.plugin")
128 #define kUSBPrinterClassDeviceNotOpen -9664 /*kPMInvalidIOMContext*/
132 * Section 5.3 USB Printing Class spec
134 #define kUSBPrintingSubclass 1
135 #define kUSBPrintingProtocolNoOpen 0
136 #define kUSBPrintingProtocolUnidirectional 1
137 #define kUSBPrintingProtocolBidirectional 2
139 typedef IOUSBInterfaceInterface190
**printer_interface_t
;
141 typedef struct iodevice_request_s
/**** Device request ****/
149 } iodevice_request_t
;
151 typedef union /**** Centronics status byte ****/
156 unsigned reserved0
:2;
157 unsigned paperError
:1;
160 unsigned reserved1
:3;
162 } centronics_status_t
;
164 typedef struct classdriver_s
/**** g.classdriver context ****/
167 CFPlugInRef plugin
; /* release plugin */
168 IUnknownVTbl
**factory
; /* Factory */
169 void *vendorReference
; /* vendor class specific usage */
170 UInt32 location
; /* unique location in bus topology */
171 UInt8 interfaceNumber
; /* Interface number */
172 UInt16 vendorID
; /* Vendor id */
173 UInt16 productID
; /* Product id */
174 printer_interface_t interface
; /* identify the device to IOKit */
175 UInt8 outpipe
; /* mandatory bulkOut pipe */
176 UInt8 inpipe
; /* optional bulkIn pipe */
178 /* general class requests */
179 kern_return_t (*DeviceRequest
)(struct classdriver_s
**printer
, iodevice_request_t
*iorequest
, UInt16 timeout
);
180 kern_return_t (*GetString
)(struct classdriver_s
**printer
, UInt8 whichString
, UInt16 language
, UInt16 timeout
, CFStringRef
*result
);
182 /* standard printer class requests */
183 kern_return_t (*SoftReset
)(struct classdriver_s
**printer
, UInt16 timeout
);
184 kern_return_t (*GetCentronicsStatus
)(struct classdriver_s
**printer
, centronics_status_t
*result
, UInt16 timeout
);
185 kern_return_t (*GetDeviceID
)(struct classdriver_s
**printer
, CFStringRef
*devid
, UInt16 timeout
);
187 /* standard bulk device requests */
188 kern_return_t (*ReadPipe
)(struct classdriver_s
**printer
, UInt8
*buffer
, UInt32
*count
);
189 kern_return_t (*WritePipe
)(struct classdriver_s
**printer
, UInt8
*buffer
, UInt32
*count
, Boolean eoj
);
191 /* interface requests */
192 kern_return_t (*Open
)(struct classdriver_s
**printer
, UInt32 location
, UInt8 protocol
);
193 kern_return_t (*Abort
)(struct classdriver_s
**printer
);
194 kern_return_t (*Close
)(struct classdriver_s
**printer
);
196 /* initialize and terminate */
197 kern_return_t (*Initialize
)(struct classdriver_s
**printer
, struct classdriver_s
**baseclass
);
198 kern_return_t (*Terminate
)(struct classdriver_s
**printer
);
202 typedef Boolean (*iterator_callback_t
)(void *refcon
, io_service_t obj
);
204 typedef struct iterator_reference_s
/**** Iterator reference data */
206 iterator_callback_t callback
;
209 } iterator_reference_t
;
211 typedef struct globals_s
213 io_service_t printer_obj
;
214 classdriver_t
**classdriver
;
216 pthread_mutex_t read_thread_mutex
;
217 pthread_cond_t read_thread_cond
;
218 int read_thread_stop
;
219 int read_thread_done
;
221 pthread_mutex_t readwrite_lock_mutex
;
222 pthread_cond_t readwrite_lock_cond
;
231 CFRunLoopTimerRef status_timer
;
233 int print_fd
; /* File descriptor to print */
234 ssize_t print_bytes
; /* Print bytes read */
237 int drain_output
; /* Drain all pending output */
238 int bidi_flag
; /* 0=unidirectional, 1=bidirectional */
240 pthread_mutex_t sidechannel_thread_mutex
;
241 pthread_cond_t sidechannel_thread_cond
;
242 int sidechannel_thread_stop
;
243 int sidechannel_thread_done
;
251 globals_t g
= { 0 }; /* Globals */
258 static Boolean
find_device_cb(void *refcon
, io_service_t obj
);
259 static Boolean
list_device_cb(void *refcon
, io_service_t obj
);
260 static CFStringRef
cfstr_create_trim(const char *cstr
);
261 static CFStringRef
copy_value_for_key(CFStringRef deviceID
, CFStringRef
*keys
);
262 static kern_return_t
load_classdriver(CFStringRef driverPath
, printer_interface_t intf
, classdriver_t
***printerDriver
);
263 static kern_return_t
load_printerdriver(CFStringRef
*driverBundlePath
);
264 static kern_return_t
registry_close();
265 static kern_return_t
registry_open(CFStringRef
*driverBundlePath
);
266 static kern_return_t
unload_classdriver();
267 static OSStatus
copy_deviceid(classdriver_t
**printer
, CFStringRef
*deviceID
);
268 static void *read_thread(void *reference
);
269 static void *sidechannel_thread(void *reference
);
270 static void copy_deviceinfo(CFStringRef deviceIDString
, CFStringRef
*make
, CFStringRef
*model
, CFStringRef
*serial
);
271 static void copy_devicestring(io_service_t usbInterface
, CFStringRef
*deviceID
, UInt32
*deviceLocation
, UInt8
*interfaceNum
);
272 static void device_added(void *userdata
, io_iterator_t iterator
);
273 static void get_device_id(cups_sc_status_t
*status
, char *data
, int *datalen
);
274 static void iterate_printers(iterator_callback_t callBack
, void *userdata
);
275 static void parse_options(char *options
, char *serial
, int serial_size
, UInt32
*location
, Boolean
*wait_eof
);
276 static void release_deviceinfo(CFStringRef
*make
, CFStringRef
*model
, CFStringRef
*serial
);
277 static void setup_cfLanguage(void);
278 static void soft_reset();
279 static void status_timer_cb(CFRunLoopTimerRef timer
, void *info
);
281 #if defined(__i386__) || defined(__x86_64__)
282 static pid_t child_pid
; /* Child PID */
283 static void run_legacy_backend(int argc
, char *argv
[], int fd
); /* Starts child backend process running as a ppc executable */
284 static void sigterm_handler(int sig
); /* SIGTERM handler */
285 #endif /* __i386__ || __x86_64__ */
287 #ifdef PARSE_PS_ERRORS
288 static const char *next_line (const char *buffer
);
289 static void parse_pserror (char *sockBuffer
, int len
);
290 #endif /* PARSE_PS_ERRORS */
295 * 'list_devices()' - List all USB devices.
300 iterate_printers(list_device_cb
, NULL
);
305 * 'print_device()' - Print a file to a USB device.
308 int /* O - Exit status */
309 print_device(const char *uri
, /* I - Device URI */
310 const char *hostname
, /* I - Hostname/manufacturer */
311 const char *resource
, /* I - Resource/modelname */
312 char *options
, /* I - Device options/serial number */
313 int print_fd
, /* I - File descriptor to print */
314 int copies
, /* I - Copies to print */
315 int argc
, /* I - Number of command-line arguments (6 or 7) */
316 char *argv
[]) /* I - Command-line arguments */
318 char serial
[1024]; /* Serial number buffer */
319 OSStatus status
; /* Function results */
320 pthread_t read_thread_id
, /* Read thread */
321 sidechannel_thread_id
;/* Side-channel thread */
322 int have_sidechannel
= 0; /* Was the side-channel thread started? */
323 struct stat sidechannel_info
; /* Side-channel file descriptor info */
324 char print_buffer
[8192], /* Print data buffer */
325 *print_ptr
; /* Pointer into print data buffer */
326 UInt32 location
; /* Unique location in bus topology */
327 fd_set input_set
; /* Input set for select() */
328 CFStringRef driverBundlePath
; /* Class driver path */
329 int countdown
, /* Logging interval */
330 nfds
; /* Number of file descriptors */
331 ssize_t total_bytes
; /* Total bytes written */
332 UInt32 bytes
; /* Bytes written */
333 struct timeval
*timeout
, /* Timeout pointer */
334 stimeout
; /* Timeout for select() */
335 struct timespec cond_timeout
; /* pthread condition timeout */
339 * See if the side-channel descriptor is valid...
342 have_sidechannel
= !fstat(CUPS_SC_FD
, &sidechannel_info
) &&
343 S_ISSOCK(sidechannel_info
.st_mode
);
346 * Localize using CoreFoundation...
351 parse_options(options
, serial
, sizeof(serial
), &location
, &g
.wait_eof
);
353 if (resource
[0] == '/')
356 g
.print_fd
= print_fd
;
357 g
.make
= cfstr_create_trim(hostname
);
358 g
.model
= cfstr_create_trim(resource
);
359 g
.serial
= cfstr_create_trim(serial
);
360 g
.location
= location
;
362 if (!g
.make
|| !g
.model
)
364 _cupsLangPuts(stderr
, _("ERROR: Fatal USB error!\n"));
367 fputs("DEBUG: USB make string is NULL!\n", stderr
);
369 fputs("DEBUG: USB model string is NULL!\n", stderr
);
371 return (CUPS_BACKEND_STOP
);
374 fputs("STATE: +connecting-to-device\n", stderr
);
376 countdown
= INITIAL_LOG_INTERVAL
;
382 IOObjectRelease(g
.printer_obj
);
383 unload_classdriver(&g
.classdriver
);
388 fprintf(stderr
, "DEBUG: Looking for '%s %s'\n", hostname
, resource
);
390 iterate_printers(find_device_cb
, NULL
);
392 fputs("DEBUG: Opening connection\n", stderr
);
394 driverBundlePath
= NULL
;
396 status
= registry_open(&driverBundlePath
);
398 #if defined(__i386__) || defined(__x86_64__)
400 * If we were unable to load the class drivers for this printer it's
401 * probably because they're ppc or i386. In this case try to run this
402 * backend as i386 or ppc executables so we can use them...
406 run_legacy_backend(argc
, argv
, print_fd
);
407 /* Never returns here */
409 #endif /* __i386__ || __x86_64__ */
414 * If we still were unable to load the class drivers for this printer log
415 * the error and stop the queue...
418 if (driverBundlePath
== NULL
|| !CFStringGetCString(driverBundlePath
, print_buffer
, sizeof(print_buffer
), kCFStringEncodingUTF8
))
419 strlcpy(print_buffer
, "USB class driver", sizeof(print_buffer
));
421 fputs("STATE: +apple-missing-usbclassdriver-error\n", stderr
);
422 _cupsLangPuts(stderr
, _("ERROR: Fatal USB error!\n"));
423 fprintf(stderr
, "DEBUG: Could not load %s\n", print_buffer
);
425 if (driverBundlePath
)
426 CFRelease(driverBundlePath
);
428 return (CUPS_BACKEND_STOP
);
431 if (driverBundlePath
)
432 CFRelease(driverBundlePath
);
436 sleep(PRINTER_POLLING_INTERVAL
);
437 countdown
-= PRINTER_POLLING_INTERVAL
;
440 _cupsLangPuts(stderr
,
441 _("INFO: Waiting for printer to become available...\n"));
442 fprintf(stderr
, "DEBUG: USB printer status: 0x%08x\n", (int)status
);
443 countdown
= SUBSEQUENT_LOG_INTERVAL
; /* subsequent log entries, every 15 seconds */
446 } while (status
!= noErr
);
448 fputs("STATE: -connecting-to-device\n", stderr
);
451 * Now that we are "connected" to the port, ignore SIGTERM so that we
452 * can finish out any page data the driver sends (e.g. to eject the
453 * current page... Only ignore SIGTERM if we are printing data from
454 * stdin (otherwise you can't cancel raw jobs...)
459 struct sigaction action
; /* POSIX signal action */
462 memset(&action
, 0, sizeof(action
));
464 sigemptyset(&action
.sa_mask
);
465 action
.sa_handler
= SIG_IGN
;
466 sigaction(SIGTERM
, &action
, NULL
);
470 * Start the side channel thread if the descriptor is valid...
473 pthread_mutex_init(&g
.readwrite_lock_mutex
, NULL
);
474 pthread_cond_init(&g
.readwrite_lock_cond
, NULL
);
475 g
.readwrite_lock
= 1;
477 if (have_sidechannel
)
479 g
.sidechannel_thread_stop
= 0;
480 g
.sidechannel_thread_done
= 0;
482 pthread_cond_init(&g
.sidechannel_thread_cond
, NULL
);
483 pthread_mutex_init(&g
.sidechannel_thread_mutex
, NULL
);
485 if (pthread_create(&sidechannel_thread_id
, NULL
, sidechannel_thread
, NULL
))
487 _cupsLangPuts(stderr
, _("ERROR: Fatal USB error!\n"));
488 fputs("DEBUG: Couldn't create side-channel thread!\n", stderr
);
489 return (CUPS_BACKEND_STOP
);
494 * Get the read thread going...
497 g
.read_thread_stop
= 0;
498 g
.read_thread_done
= 0;
500 pthread_cond_init(&g
.read_thread_cond
, NULL
);
501 pthread_mutex_init(&g
.read_thread_mutex
, NULL
);
503 if (pthread_create(&read_thread_id
, NULL
, read_thread
, NULL
))
505 _cupsLangPuts(stderr
, _("ERROR: Fatal USB error!\n"));
506 fputs("DEBUG: Couldn't create read thread!\n", stderr
);
507 return (CUPS_BACKEND_STOP
);
511 * The main thread sends the print file...
517 print_ptr
= print_buffer
;
519 while (status
== noErr
&& copies
-- > 0)
521 _cupsLangPuts(stderr
, _("INFO: Sending print data...\n"));
523 if (print_fd
!= STDIN_FILENO
)
525 fputs("PAGE: 1 1\n", stderr
);
526 lseek(print_fd
, 0, SEEK_SET
);
529 while (status
== noErr
)
534 FD_SET(print_fd
, &input_set
);
537 * Calculate select timeout...
538 * If we have data waiting to send timeout is 100ms.
539 * else if we're draining print_fd timeout is 0.
540 * else we're waiting forever...
546 stimeout
.tv_usec
= 100000; /* 100ms */
549 else if (g
.drain_output
)
552 stimeout
.tv_usec
= 0;
559 * I/O is unlocked around select...
562 pthread_mutex_lock(&g
.readwrite_lock_mutex
);
563 g
.readwrite_lock
= 0;
564 pthread_cond_signal(&g
.readwrite_lock_cond
);
565 pthread_mutex_unlock(&g
.readwrite_lock_mutex
);
567 nfds
= select(print_fd
+ 1, &input_set
, NULL
, NULL
, timeout
);
570 * Reacquire the lock...
573 pthread_mutex_lock(&g
.readwrite_lock_mutex
);
574 while (g
.readwrite_lock
)
575 pthread_cond_wait(&g
.readwrite_lock_cond
, &g
.readwrite_lock_mutex
);
576 g
.readwrite_lock
= 1;
577 pthread_mutex_unlock(&g
.readwrite_lock_mutex
);
581 if (errno
== EINTR
&& total_bytes
== 0)
583 fputs("DEBUG: Received an interrupt before any bytes were "
584 "written, aborting!\n", stderr
);
587 else if (errno
!= EAGAIN
)
589 _cupsLangPuts(stderr
, _("ERROR: Unable to read print data!\n"));
590 perror("DEBUG: select");
591 return (CUPS_BACKEND_STOP
);
596 * If drain output has finished send a response...
599 if (g
.drain_output
&& !nfds
&& !g
.print_bytes
)
601 /* Send a response... */
602 cupsSideChannelWrite(CUPS_SC_CMD_DRAIN_OUTPUT
, CUPS_SC_STATUS_OK
, NULL
, 0, 1.0);
607 * Check if we have print data ready...
610 if (FD_ISSET(print_fd
, &input_set
))
612 g
.print_bytes
= read(print_fd
, print_buffer
, sizeof(print_buffer
));
614 if (g
.print_bytes
< 0)
617 * Read error - bail if we don't see EAGAIN or EINTR...
620 if (errno
!= EAGAIN
|| errno
!= EINTR
)
622 _cupsLangPuts(stderr
, _("ERROR: Unable to read print data!\n"));
623 perror("DEBUG: read");
624 return CUPS_BACKEND_STOP
;
629 else if (g
.print_bytes
== 0)
632 * End of file, break out of the loop...
638 print_ptr
= print_buffer
;
640 fprintf(stderr
, "DEBUG: Read %d bytes of print data...\n",
646 bytes
= g
.print_bytes
;
648 status
= (*g
.classdriver
)->WritePipe(g
.classdriver
, (UInt8
*)print_ptr
, &bytes
, 0);
651 * Ignore timeout errors...
654 if (status
== kIOUSBTransactionTimeout
)
660 if (status
|| bytes
< 0)
663 * Write error - bail if we don't see an error we can retry...
666 OSStatus err
= (*g
.classdriver
)->Abort(g
.classdriver
);
667 _cupsLangPuts(stderr
, _("ERROR: Unable to send print data!\n"));
668 fprintf(stderr
, "DEBUG: USB class driver WritePipe returned %ld\n",
670 fprintf(stderr
, "DEBUG: USB class driver Abort returned %ld\n",
672 status
= CUPS_BACKEND_STOP
;
676 fprintf(stderr
, "DEBUG: Wrote %d bytes of print data...\n", (int)bytes
);
678 g
.print_bytes
-= bytes
;
680 total_bytes
+= bytes
;
683 if (print_fd
!= 0 && status
== noErr
)
684 fprintf(stderr
, "DEBUG: Sending print file, %lld bytes...\n",
689 fprintf(stderr
, "DEBUG: Sent %lld bytes...\n", (off_t
)total_bytes
);
692 * Wait for the side channel thread to exit...
695 if (have_sidechannel
)
698 pthread_mutex_lock(&g
.readwrite_lock_mutex
);
699 g
.readwrite_lock
= 0;
700 pthread_cond_signal(&g
.readwrite_lock_cond
);
701 pthread_mutex_unlock(&g
.readwrite_lock_mutex
);
703 g
.sidechannel_thread_stop
= 1;
704 pthread_mutex_lock(&g
.sidechannel_thread_mutex
);
705 if (!g
.sidechannel_thread_done
)
708 * Wait for the side-channel thread to exit...
711 cond_timeout
.tv_sec
= time(NULL
) + WAIT_SIDE_DELAY
;
712 cond_timeout
.tv_nsec
= 0;
713 if (pthread_cond_timedwait(&g
.sidechannel_thread_cond
,
714 &g
.sidechannel_thread_mutex
,
718 * Force the side-channel thread to exit...
721 pthread_kill(sidechannel_thread_id
, SIGTERM
);
724 pthread_mutex_unlock(&g
.sidechannel_thread_mutex
);
726 pthread_join(sidechannel_thread_id
, NULL
);
728 pthread_cond_destroy(&g
.sidechannel_thread_cond
);
729 pthread_mutex_destroy(&g
.sidechannel_thread_mutex
);
732 pthread_cond_destroy(&g
.readwrite_lock_cond
);
733 pthread_mutex_destroy(&g
.readwrite_lock_mutex
);
736 * Signal the read thread to stop...
739 g
.read_thread_stop
= 1;
742 * Give the read thread WAIT_EOF_DELAY seconds to complete all the data. If
743 * we are not signaled in that time then force the thread to exit.
746 pthread_mutex_lock(&g
.read_thread_mutex
);
748 if (!g
.read_thread_done
)
750 cond_timeout
.tv_sec
= time(NULL
) + WAIT_EOF_DELAY
;
751 cond_timeout
.tv_nsec
= 0;
753 if (pthread_cond_timedwait(&g
.read_thread_cond
, &g
.read_thread_mutex
,
757 * Force the read thread to exit...
760 pthread_kill(read_thread_id
, SIGTERM
);
763 pthread_mutex_unlock(&g
.read_thread_mutex
);
765 pthread_join(read_thread_id
, NULL
); /* wait for the read thread to return */
767 pthread_cond_destroy(&g
.read_thread_cond
);
768 pthread_mutex_destroy(&g
.read_thread_mutex
);
771 * Close the connection and input file and general clean up...
776 if (print_fd
!= STDIN_FILENO
)
785 if (g
.serial
!= NULL
)
788 if (g
.printer_obj
!= 0x0)
789 IOObjectRelease(g
.printer_obj
);
796 * 'read_thread()' - Thread to read the backchannel data on.
799 static void *read_thread(void *reference
)
801 UInt8 readbuffer
[512];
803 kern_return_t readstatus
;
804 struct mach_timebase_info timeBaseInfo
;
808 /* Calculate what 250 milliSeconds are in mach absolute time...
810 mach_timebase_info(&timeBaseInfo
);
811 delay
= ((uint64_t)250000000 * (uint64_t)timeBaseInfo
.denom
) / (uint64_t)timeBaseInfo
.numer
;
816 * Remember when we started so we can throttle the loop after the read call...
819 start
= mach_absolute_time();
821 rbytes
= sizeof(readbuffer
);
822 readstatus
= (*g
.classdriver
)->ReadPipe(g
.classdriver
, readbuffer
, &rbytes
);
823 if (readstatus
== kIOReturnSuccess
&& rbytes
> 0)
825 cupsBackChannelWrite((char*)readbuffer
, rbytes
, 1.0);
827 /* cntrl-d is echoed by the printer.
829 * Xerox Phaser 6250D doesn't echo the cntrl-d.
830 * Xerox Phaser 6250D doesn't always send the product query.
832 if (g
.wait_eof
&& readbuffer
[rbytes
-1] == 0x4)
835 #ifdef PARSE_PS_ERRORS
836 parse_pserror(readbuffer
, rbytes
);
841 * Make sure this loop executes no more than once every 250 miliseconds...
844 if ((readstatus
!= kIOReturnSuccess
|| rbytes
== 0) && (g
.wait_eof
|| !g
.read_thread_stop
))
845 mach_wait_until(start
+ delay
);
847 } while (g
.wait_eof
|| !g
.read_thread_stop
); /* Abort from main thread tests error here */
850 * Let the main thread know that we have completed the read thread...
853 pthread_mutex_lock(&g
.read_thread_mutex
);
854 g
.read_thread_done
= 1;
855 pthread_cond_signal(&g
.read_thread_cond
);
856 pthread_mutex_unlock(&g
.read_thread_mutex
);
863 * 'sidechannel_thread()' - Handle side-channel requests.
867 sidechannel_thread(void *reference
)
869 cups_sc_command_t command
; /* Request command */
870 cups_sc_status_t status
; /* Request/response status */
871 char data
[2048]; /* Request/response data */
872 int datalen
; /* Request/response data size */
877 datalen
= sizeof(data
);
879 if (cupsSideChannelRead(&command
, &status
, data
, &datalen
, 1.0))
884 case CUPS_SC_CMD_SOFT_RESET
: /* Do a soft reset */
885 if ((*g
.classdriver
)->SoftReset
!= NULL
)
888 cupsSideChannelWrite(command
, CUPS_SC_STATUS_OK
, NULL
, 0, 1.0);
892 cupsSideChannelWrite(command
, CUPS_SC_STATUS_NOT_IMPLEMENTED
,
897 case CUPS_SC_CMD_DRAIN_OUTPUT
: /* Drain all pending output */
901 case CUPS_SC_CMD_GET_BIDI
: /* Is the connection bidirectional? */
902 data
[0] = g
.bidi_flag
;
903 cupsSideChannelWrite(command
, CUPS_SC_STATUS_OK
, data
, 1, 1.0);
906 case CUPS_SC_CMD_GET_DEVICE_ID
: /* Return IEEE-1284 device ID */
907 datalen
= sizeof(data
);
908 get_device_id(&status
, data
, &datalen
);
909 cupsSideChannelWrite(command
, CUPS_SC_STATUS_OK
, data
, datalen
, 1.0);
912 case CUPS_SC_CMD_GET_STATE
: /* Return device state */
913 data
[0] = CUPS_SC_STATE_ONLINE
;
914 cupsSideChannelWrite(command
, CUPS_SC_STATUS_OK
, data
, 1, 1.0);
918 cupsSideChannelWrite(command
, CUPS_SC_STATUS_NOT_IMPLEMENTED
,
923 while (!g
.sidechannel_thread_stop
);
925 pthread_mutex_lock(&g
.sidechannel_thread_mutex
);
926 g
.sidechannel_thread_done
= 1;
927 pthread_cond_signal(&g
.sidechannel_thread_cond
);
928 pthread_mutex_unlock(&g
.sidechannel_thread_mutex
);
936 * 'iterate_printers()' - Iterate over all the printers.
939 static void iterate_printers(iterator_callback_t callBack
,
942 mach_port_t masterPort
= 0x0;
943 kern_return_t kr
= IOMasterPort (bootstrap_port
, &masterPort
);
945 if (kr
== kIOReturnSuccess
&& masterPort
!= 0x0)
947 io_iterator_t addIterator
= 0x0;
949 iterator_reference_t reference
= { callBack
, userdata
, true };
950 IONotificationPortRef addNotification
= IONotificationPortCreate(masterPort
);
952 int klass
= kUSBPrintingClass
;
953 int subklass
= kUSBPrintingSubclass
;
955 CFNumberRef usb_klass
= CFNumberCreate(NULL
, kCFNumberIntType
, &klass
);
956 CFNumberRef usb_subklass
= CFNumberCreate(NULL
, kCFNumberIntType
, &subklass
);
957 CFMutableDictionaryRef usbPrinterMatchDictionary
= IOServiceMatching(kIOUSBInterfaceClassName
);
959 CFDictionaryAddValue(usbPrinterMatchDictionary
, CFSTR("bInterfaceClass"), usb_klass
);
960 CFDictionaryAddValue(usbPrinterMatchDictionary
, CFSTR("bInterfaceSubClass"), usb_subklass
);
962 CFRelease(usb_klass
);
963 CFRelease(usb_subklass
);
965 kr
= IOServiceAddMatchingNotification(addNotification
, kIOMatchedNotification
, usbPrinterMatchDictionary
, &device_added
, &reference
, &addIterator
);
966 if (addIterator
!= 0x0)
968 device_added (&reference
, addIterator
);
970 if (reference
.keepRunning
)
972 CFRunLoopAddSource(CFRunLoopGetCurrent(), IONotificationPortGetRunLoopSource(addNotification
), kCFRunLoopDefaultMode
);
975 IOObjectRelease(addIterator
);
977 mach_port_deallocate(mach_task_self(), masterPort
);
983 * 'device_added()' - Device added notifier.
986 static void device_added(void *userdata
,
987 io_iterator_t iterator
)
989 iterator_reference_t
*reference
= userdata
;
992 while (reference
->keepRunning
&& (obj
= IOIteratorNext(iterator
)) != 0x0)
994 if (reference
->callback
!= NULL
)
995 reference
->keepRunning
= reference
->callback(reference
->userdata
, obj
);
997 IOObjectRelease(obj
);
1000 /* One last call to the call back now that we are not longer have printers left to iterate...
1002 if (reference
->keepRunning
)
1003 reference
->keepRunning
= reference
->callback(reference
->userdata
, 0x0);
1005 if (!reference
->keepRunning
)
1006 CFRunLoopStop(CFRunLoopGetCurrent());
1011 * 'list_device_cb()' - list_device iterator callback.
1014 static Boolean
list_device_cb(void *refcon
,
1017 Boolean keepRunning
= (obj
!= 0x0);
1021 CFStringRef deviceIDString
= NULL
;
1022 UInt32 deviceLocation
= 0;
1023 UInt8 interfaceNum
= 0;
1025 copy_devicestring(obj
, &deviceIDString
, &deviceLocation
, &interfaceNum
);
1026 if (deviceIDString
!= NULL
)
1028 CFStringRef make
= NULL
, model
= NULL
, serial
= NULL
;
1029 char uristr
[1024], makestr
[1024], modelstr
[1024], serialstr
[1024];
1030 char optionsstr
[1024], idstr
[1024], make_modelstr
[1024];
1032 copy_deviceinfo(deviceIDString
, &make
, &model
, &serial
);
1033 CFStringGetCString(deviceIDString
, idstr
, sizeof(idstr
),
1034 kCFStringEncodingUTF8
);
1035 backendGetMakeModel(idstr
, make_modelstr
, sizeof(make_modelstr
));
1039 if (!CFStringGetCString(make
, makestr
, sizeof(makestr
),
1040 kCFStringEncodingUTF8
))
1041 strcpy(makestr
, "Unknown");
1043 if (!CFStringGetCString(model
, &modelstr
[1], sizeof(modelstr
)-1,
1044 kCFStringEncodingUTF8
))
1045 strcpy(modelstr
+ 1, "Printer");
1047 optionsstr
[0] = '\0';
1050 CFStringGetCString(serial
, serialstr
, sizeof(serialstr
), kCFStringEncodingUTF8
);
1051 snprintf(optionsstr
, sizeof(optionsstr
), "?serial=%s", serialstr
);
1053 else if (deviceLocation
!= 0)
1054 snprintf(optionsstr
, sizeof(optionsstr
), "?location=%x", (unsigned)deviceLocation
);
1056 httpAssembleURI(HTTP_URI_CODING_ALL
, uristr
, sizeof(uristr
), "usb", NULL
, makestr
, 0, modelstr
);
1057 strncat(uristr
, optionsstr
, sizeof(uristr
));
1059 cupsBackendReport("direct", uristr
, make_modelstr
, make_modelstr
, idstr
,
1062 release_deviceinfo(&make
, &model
, &serial
);
1063 CFRelease(deviceIDString
);
1072 * 'find_device_cb()' - print_device iterator callback.
1075 static Boolean
find_device_cb(void *refcon
,
1078 Boolean keepLooking
= true;
1082 CFStringRef idString
= NULL
;
1083 UInt32 location
= -1;
1084 UInt8 interfaceNum
= 0;
1086 copy_devicestring(obj
, &idString
, &location
, &interfaceNum
);
1087 if (idString
!= NULL
)
1089 CFStringRef make
= NULL
, model
= NULL
, serial
= NULL
;
1091 copy_deviceinfo(idString
, &make
, &model
, &serial
);
1092 if (make
&& CFStringCompare(make
, g
.make
, kCFCompareCaseInsensitive
) == kCFCompareEqualTo
)
1094 if (model
&& CFStringCompare(model
, g
.model
, kCFCompareCaseInsensitive
) == kCFCompareEqualTo
)
1096 if (g
.serial
!= NULL
&& CFStringGetLength(g
.serial
) > 0)
1098 if (serial
!= NULL
&& CFStringCompare(serial
, g
.serial
, kCFCompareCaseInsensitive
) == kCFCompareEqualTo
)
1100 IOObjectRetain(obj
);
1101 g
.printer_obj
= obj
;
1102 keepLooking
= false;
1107 if (g
.printer_obj
!= 0)
1108 IOObjectRelease(g
.printer_obj
);
1110 g
.printer_obj
= obj
;
1111 IOObjectRetain(obj
);
1113 if (g
.location
== 0 || g
.location
== location
)
1114 keepLooking
= false;
1117 g
.interfaceNum
= interfaceNum
;
1121 release_deviceinfo(&make
, &model
, &serial
);
1122 CFRelease(idString
);
1127 keepLooking
= (g
.printer_obj
== 0);
1128 if (obj
== 0x0 && keepLooking
)
1130 CFRunLoopTimerContext context
= { 0, refcon
, NULL
, NULL
, NULL
};
1131 CFRunLoopTimerRef timer
= CFRunLoopTimerCreate(NULL
, CFAbsoluteTimeGetCurrent() + 1.0, 10, 0x0, 0x0, status_timer_cb
, &context
);
1134 CFRunLoopAddTimer(CFRunLoopGetCurrent(), timer
, kCFRunLoopDefaultMode
);
1135 g
.status_timer
= timer
;
1140 if (!keepLooking
&& g
.status_timer
!= NULL
)
1142 fputs("STATE: -offline-error\n", stderr
);
1143 _cupsLangPuts(stderr
, _("INFO: Printer is now online.\n"));
1144 CFRunLoopRemoveTimer(CFRunLoopGetCurrent(), g
.status_timer
, kCFRunLoopDefaultMode
);
1145 CFRelease(g
.status_timer
);
1146 g
.status_timer
= NULL
;
1154 * 'status_timer_cb()' - Status timer callback.
1157 static void status_timer_cb(CFRunLoopTimerRef timer
,
1160 fputs("STATE: +offline-error\n", stderr
);
1161 _cupsLangPuts(stderr
, _("INFO: Printer is offline.\n"));
1163 if (getenv("CLASS") != NULL
)
1166 * If the CLASS environment variable is set, the job was submitted
1167 * to a class and not to a specific queue. In this case, we want
1168 * to abort immediately so that the job can be requeued on the next
1169 * available printer in the class.
1171 * Sleep 5 seconds to keep the job from requeuing too rapidly...
1176 exit(CUPS_BACKEND_FAILED
);
1183 * 'copy_deviceinfo()' - Copy strings from the 1284 device ID.
1186 static void copy_deviceinfo(CFStringRef deviceIDString
,
1189 CFStringRef
*serial
)
1191 CFStringRef modelKeys
[] = { CFSTR("MDL:"), CFSTR("MODEL:"), NULL
};
1192 CFStringRef makeKeys
[] = { CFSTR("MFG:"), CFSTR("MANUFACTURER:"), NULL
};
1193 CFStringRef serialKeys
[] = { CFSTR("SN:"), CFSTR("SERN:"), NULL
};
1197 if ((*make
= copy_value_for_key(deviceIDString
, makeKeys
)) == NULL
)
1198 *make
= CFStringCreateWithCString(kCFAllocatorDefault
, "Unknown",
1199 kCFStringEncodingUTF8
);
1204 if ((*model
= copy_value_for_key(deviceIDString
, modelKeys
)) == NULL
)
1205 *model
= CFStringCreateWithCString(kCFAllocatorDefault
, "Printer",
1206 kCFStringEncodingUTF8
);
1210 *serial
= copy_value_for_key(deviceIDString
, serialKeys
);
1215 * 'release_deviceinfo()' - Release deviceinfo strings.
1218 static void release_deviceinfo(CFStringRef
*make
,
1220 CFStringRef
*serial
)
1222 if (make
!= NULL
&& *make
!= NULL
)
1228 if (model
!= NULL
&& *model
!= NULL
)
1234 if (serial
!= NULL
&& *serial
!= NULL
)
1244 * 'load_classdriver()' - Load a classdriver.
1247 static kern_return_t
load_classdriver(CFStringRef driverPath
,
1248 printer_interface_t intf
,
1249 classdriver_t
***printerDriver
)
1251 kern_return_t kr
= kUSBPrinterClassDeviceNotOpen
;
1252 classdriver_t
**driver
= NULL
;
1253 CFStringRef bundle
= (driverPath
== NULL
? kUSBGenericTOPrinterClassDriver
: driverPath
);
1257 CFURLRef url
= CFURLCreateWithFileSystemPath(NULL
, bundle
, kCFURLPOSIXPathStyle
, true);
1258 CFPlugInRef plugin
= (url
!= NULL
? CFPlugInCreate(NULL
, url
) : NULL
);
1265 CFArrayRef factories
= CFPlugInFindFactoriesForPlugInTypeInPlugIn(kUSBPrinterClassTypeID
, plugin
);
1266 if (factories
!= NULL
&& CFArrayGetCount(factories
) > 0)
1268 CFUUIDRef factoryID
= CFArrayGetValueAtIndex(factories
, 0);
1269 IUnknownVTbl
**iunknown
= CFPlugInInstanceCreate(NULL
, factoryID
, kUSBPrinterClassTypeID
);
1270 if (iunknown
!= NULL
)
1272 kr
= (*iunknown
)->QueryInterface(iunknown
, CFUUIDGetUUIDBytes(kUSBPrinterClassInterfaceID
), (LPVOID
*)&driver
);
1273 if (kr
== kIOReturnSuccess
&& driver
!= NULL
)
1275 classdriver_t
**genericDriver
= NULL
;
1276 if (driverPath
!= NULL
&& CFStringCompare(driverPath
, kUSBGenericTOPrinterClassDriver
, 0) != kCFCompareEqualTo
)
1277 kr
= load_classdriver(NULL
, intf
, &genericDriver
);
1279 if (kr
== kIOReturnSuccess
)
1281 (*driver
)->interface
= intf
;
1282 (*driver
)->Initialize(driver
, genericDriver
);
1284 (*driver
)->plugin
= plugin
;
1285 (*driver
)->interface
= intf
;
1286 *printerDriver
= driver
;
1289 (*iunknown
)->Release(iunknown
);
1291 CFRelease(factories
);
1297 char bundlestr
[1024];
1298 CFStringGetCString(bundle
, bundlestr
, sizeof(bundlestr
), kCFStringEncodingUTF8
);
1299 fprintf(stderr
, "DEBUG: load_classdriver(%s) (kr:0x%08x)\n", bundlestr
, (int)kr
);
1307 * 'unload_classdriver()' - Unload a classdriver.
1310 static kern_return_t
unload_classdriver(classdriver_t
***classdriver
)
1312 if (*classdriver
!= NULL
)
1314 (**classdriver
)->Release(*classdriver
);
1315 *classdriver
= NULL
;
1318 return kIOReturnSuccess
;
1323 * 'load_printerdriver()' - Load vendor's classdriver.
1325 * If driverBundlePath is not NULL on return it is the callers responsbility to release it!
1328 static kern_return_t
load_printerdriver(CFStringRef
*driverBundlePath
)
1330 IOCFPlugInInterface
**iodev
= NULL
;
1333 printer_interface_t intf
;
1336 kr
= IOCreatePlugInInterfaceForService(g
.printer_obj
, kIOUSBInterfaceUserClientTypeID
, kIOCFPlugInInterfaceID
, &iodev
, &score
);
1337 if (kr
== kIOReturnSuccess
)
1339 if ((res
= (*iodev
)->QueryInterface(iodev
, USB_INTERFACE_KIND
, (LPVOID
*) &intf
)) == noErr
)
1341 *driverBundlePath
= IORegistryEntryCreateCFProperty(g
.printer_obj
, kUSBClassDriverProperty
, NULL
, kNilOptions
);
1343 kr
= load_classdriver(*driverBundlePath
, intf
, &g
.classdriver
);
1345 if (kr
!= kIOReturnSuccess
)
1346 (*intf
)->Release(intf
);
1348 IODestroyPlugInInterface(iodev
);
1355 * 'registry_open()' - Open a connection to the printer.
1358 static kern_return_t
registry_open(CFStringRef
*driverBundlePath
)
1360 g
.bidi_flag
= 0; /* 0=unidirectional */
1362 kern_return_t kr
= load_printerdriver(driverBundlePath
);
1363 if (kr
!= kIOReturnSuccess
)
1366 if (g
.classdriver
!= NULL
)
1368 (*g
.classdriver
)->interfaceNumber
= g
.interfaceNum
;
1369 kr
= (*g
.classdriver
)->Open(g
.classdriver
, g
.location
, kUSBPrintingProtocolBidirectional
);
1370 if (kr
!= kIOReturnSuccess
|| (*g
.classdriver
)->interface
== NULL
)
1372 kr
= (*g
.classdriver
)->Open(g
.classdriver
, g
.location
, kUSBPrintingProtocolUnidirectional
);
1373 if (kr
== kIOReturnSuccess
)
1375 if ((*g
.classdriver
)->interface
== NULL
)
1377 (*g
.classdriver
)->Close(g
.classdriver
);
1383 g
.bidi_flag
= 1; /* 1=bidirectional */
1386 if (kr
!= kIOReturnSuccess
)
1387 unload_classdriver(&g
.classdriver
);
1394 * 'registry_close()' - Close the connection to the printer.
1397 static kern_return_t
registry_close()
1399 if (g
.classdriver
!= NULL
)
1400 (*g
.classdriver
)->Close(g
.classdriver
);
1402 unload_classdriver(&g
.classdriver
);
1403 return kIOReturnSuccess
;
1408 * 'copy_deviceid()' - Copy the 1284 device id string.
1411 static OSStatus
copy_deviceid(classdriver_t
**classdriver
,
1412 CFStringRef
*deviceID
)
1414 CFStringRef devID
= NULL
,
1418 deviceSerial
= NULL
;
1420 OSStatus err
= (*classdriver
)->GetDeviceID(classdriver
, &devID
, DEFAULT_TIMEOUT
);
1422 copy_deviceinfo(devID
, &deviceMake
, &deviceModel
, &deviceSerial
);
1424 if (deviceMake
== NULL
|| deviceModel
== NULL
|| deviceSerial
== NULL
)
1426 IOUSBDeviceDescriptor desc
;
1427 iodevice_request_t request
;
1429 request
.requestType
= USBmakebmRequestType(kUSBIn
, kUSBStandard
, kUSBDevice
);
1430 request
.request
= kUSBRqGetDescriptor
;
1431 request
.value
= (kUSBDeviceDesc
<< 8) | 0;
1433 request
.length
= sizeof(desc
);
1434 request
.buffer
= &desc
;
1435 err
= (*classdriver
)->DeviceRequest(classdriver
, &request
, DEFAULT_TIMEOUT
);
1436 if (err
== kIOReturnSuccess
)
1438 CFMutableStringRef newDevID
= CFStringCreateMutable(NULL
, 0);
1440 if (deviceMake
== NULL
)
1442 CFStringRef data
= NULL
;
1443 err
= (*classdriver
)->GetString(classdriver
, desc
.iManufacturer
, kUSBLanguageEnglish
, DEFAULT_TIMEOUT
, &data
);
1446 CFStringAppendFormat(newDevID
, NULL
, CFSTR("MFG:%@;"), data
);
1451 if (deviceModel
== NULL
)
1453 CFStringRef data
= NULL
;
1454 err
= (*classdriver
)->GetString(classdriver
, desc
.iProduct
, kUSBLanguageEnglish
, DEFAULT_TIMEOUT
, &data
);
1457 CFStringAppendFormat(newDevID
, NULL
, CFSTR("MDL:%@;"), data
);
1462 if (deviceSerial
== NULL
&& desc
.iSerialNumber
!= 0)
1464 CFStringRef data
= NULL
;
1465 err
= (*classdriver
)->GetString(classdriver
, desc
.iSerialNumber
, kUSBLanguageEnglish
, DEFAULT_TIMEOUT
, &data
);
1468 CFStringAppendFormat(newDevID
, NULL
, CFSTR("SERN:%@;"), data
);
1475 CFStringAppend(newDevID
, devID
);
1479 *deviceID
= newDevID
;
1486 release_deviceinfo(&deviceMake
, &deviceModel
, &deviceSerial
);
1493 * 'copy_devicestring()' - Copy the 1284 device id string.
1496 static void copy_devicestring(io_service_t usbInterface
,
1497 CFStringRef
*deviceID
,
1498 UInt32
*deviceLocation
,
1499 UInt8
*interfaceNumber
)
1501 IOCFPlugInInterface
**iodev
= NULL
;
1504 printer_interface_t intf
;
1506 classdriver_t
**klassDriver
= NULL
;
1507 CFStringRef driverBundlePath
;
1509 if ((kr
= IOCreatePlugInInterfaceForService(usbInterface
,
1510 kIOUSBInterfaceUserClientTypeID
,
1511 kIOCFPlugInInterfaceID
,
1512 &iodev
, &score
)) == kIOReturnSuccess
)
1514 if ((res
= (*iodev
)->QueryInterface(iodev
, USB_INTERFACE_KIND
, (LPVOID
*)
1517 (*intf
)->GetLocationID(intf
, deviceLocation
);
1518 (*intf
)->GetInterfaceNumber(intf
, interfaceNumber
);
1520 driverBundlePath
= IORegistryEntryCreateCFProperty(usbInterface
,
1521 kUSBClassDriverProperty
,
1524 kr
= load_classdriver(driverBundlePath
, intf
, &klassDriver
);
1526 if (kr
!= kIOReturnSuccess
&& driverBundlePath
!= NULL
)
1527 kr
= load_classdriver(NULL
, intf
, &klassDriver
);
1529 if (kr
== kIOReturnSuccess
&& klassDriver
!= NULL
)
1530 kr
= copy_deviceid(klassDriver
, deviceID
);
1532 unload_classdriver(&klassDriver
);
1534 if (driverBundlePath
!= NULL
)
1535 CFRelease(driverBundlePath
);
1537 /* (*intf)->Release(intf); */
1539 IODestroyPlugInInterface(iodev
);
1546 * 'copy_value_for_key()' - Copy value string associated with a key.
1549 static CFStringRef
copy_value_for_key(CFStringRef deviceID
,
1552 CFStringRef value
= NULL
;
1553 CFArrayRef kvPairs
= deviceID
!= NULL
? CFStringCreateArrayBySeparatingStrings(NULL
, deviceID
, CFSTR(";")) : NULL
;
1554 CFIndex max
= kvPairs
!= NULL
? CFArrayGetCount(kvPairs
) : 0;
1557 while (idx
< max
&& value
== NULL
)
1559 CFStringRef kvpair
= CFArrayGetValueAtIndex(kvPairs
, idx
);
1561 while (keys
[idxx
] != NULL
&& value
== NULL
)
1563 CFRange range
= CFStringFind(kvpair
, keys
[idxx
], kCFCompareCaseInsensitive
);
1564 if (range
.length
!= -1)
1566 if (range
.location
!= 0)
1568 CFMutableStringRef theString
= CFStringCreateMutableCopy(NULL
, 0, kvpair
);
1569 CFStringTrimWhitespace(theString
);
1570 range
= CFStringFind(theString
, keys
[idxx
], kCFCompareCaseInsensitive
);
1571 if (range
.location
== 0)
1572 value
= CFStringCreateWithSubstring(NULL
, theString
, CFRangeMake(range
.length
, CFStringGetLength(theString
) - range
.length
));
1574 CFRelease(theString
);
1578 CFStringRef theString
= CFStringCreateWithSubstring(NULL
, kvpair
, CFRangeMake(range
.length
, CFStringGetLength(kvpair
) - range
.length
));
1579 CFMutableStringRef theString2
= CFStringCreateMutableCopy(NULL
, 0, theString
);
1580 CFRelease(theString
);
1582 CFStringTrimWhitespace(theString2
);
1591 if (kvPairs
!= NULL
)
1598 * 'cfstr_create_trim()' - Create CFString and trim whitespace characters.
1601 CFStringRef
cfstr_create_trim(const char *cstr
)
1604 CFMutableStringRef cfmutablestr
= NULL
;
1606 if ((cfstr
= CFStringCreateWithCString(NULL
, cstr
, kCFStringEncodingUTF8
)) != NULL
)
1608 if ((cfmutablestr
= CFStringCreateMutableCopy(NULL
, 1024, cfstr
)) != NULL
)
1609 CFStringTrimWhitespace(cfmutablestr
);
1613 return (CFStringRef
) cfmutablestr
;
1619 * 'parse_options()' - Parse URI options.
1622 static void parse_options(char *options
,
1628 char sep
, /* Separator character */
1629 *name
, /* Name of option */
1630 *value
; /* Value of option */
1649 while (*options
&& *options
!= '=' && *options
!= '+' && *options
!= '&')
1652 if ((sep
= *options
) != '\0')
1663 while (*options
&& *options
!= '+' && *options
!= '&')
1673 * Process the option...
1676 if (!strcasecmp(name
, "waiteof"))
1678 if (!strcasecmp(value
, "on") ||
1679 !strcasecmp(value
, "yes") ||
1680 !strcasecmp(value
, "true"))
1682 else if (!strcasecmp(value
, "off") ||
1683 !strcasecmp(value
, "no") ||
1684 !strcasecmp(value
, "false"))
1687 _cupsLangPrintf(stderr
,
1688 _("WARNING: Boolean expected for waiteof option "
1689 "\"%s\"\n"), value
);
1691 else if (!strcasecmp(name
, "serial"))
1692 strlcpy(serial
, value
, serial_size
);
1693 else if (!strcasecmp(name
, "location") && location
)
1694 *location
= strtol(value
, NULL
, 16);
1700 * @function setup_cfLanguage
1701 * @abstract Convert the contents of the CUPS 'APPLE_LANGUAGE' environment
1702 * variable into a one element CF array of languages.
1704 * @discussion Each submitted job comes with a natural language. CUPS passes
1705 * that language in an environment variable. We take that language
1706 * and jam it into the AppleLanguages array so that CF will use
1707 * it when reading localized resources. We need to do this before
1708 * any CF code reads and caches the languages array, so this function
1709 * should be called early in main()
1711 static void setup_cfLanguage(void)
1713 CFStringRef lang
[1] = {NULL
};
1714 CFArrayRef langArray
= NULL
;
1715 const char *requestedLang
= NULL
;
1717 if ((requestedLang
= getenv("APPLE_LANGUAGE")) == NULL
)
1718 requestedLang
= getenv("LANG");
1720 if (requestedLang
!= NULL
)
1722 lang
[0] = CFStringCreateWithCString(kCFAllocatorDefault
, requestedLang
, kCFStringEncodingUTF8
);
1723 langArray
= CFArrayCreate(kCFAllocatorDefault
, (const void **)lang
, sizeof(lang
) / sizeof(lang
[0]), &kCFTypeArrayCallBacks
);
1725 CFPreferencesSetAppValue(CFSTR("AppleLanguages"), langArray
, kCFPreferencesCurrentApplication
);
1726 fprintf(stderr
, "DEBUG: usb: AppleLanguages=\"%s\"\n", requestedLang
);
1729 CFRelease(langArray
);
1732 fputs("DEBUG: usb: LANG and APPLE_LANGUAGE environment variables missing.\n", stderr
);
1736 #if defined(__i386__) || defined(__x86_64__)
1738 * @function run_legacy_backend
1740 * @abstract Starts child backend process running as a ppc or i386 executable.
1742 * @result Never returns; always calls exit().
1746 static void run_legacy_backend(int argc
,
1753 pid_t waitpid_status
;
1755 char *usb_legacy_status
;
1758 * If we're running as x86_64 or i386 and couldn't load the class driver
1759 * (because it's ppc or i386), then try to re-exec ourselves in ppc or i386
1760 * mode to try again. If we don't have a ppc or i386 architecture we may be
1761 * running with the same architecture again so guard against this by setting
1762 * and testing an environment variable...
1766 usb_legacy_status
= getenv("USB_I386_STATUS");
1768 usb_legacy_status
= getenv("USB_PPC_STATUS");
1769 # endif /* __x86_64__ */
1771 if (!usb_legacy_status
)
1774 * Setup a SIGTERM handler then block it before forking...
1777 struct sigaction action
; /* POSIX signal action */
1778 sigset_t newmask
, /* New signal mask */
1779 oldmask
; /* Old signal mask */
1781 memset(&action
, 0, sizeof(action
));
1782 sigaddset(&action
.sa_mask
, SIGTERM
);
1783 action
.sa_handler
= sigterm_handler
;
1784 sigaction(SIGTERM
, &action
, NULL
);
1786 sigemptyset(&newmask
);
1787 sigaddset(&newmask
, SIGTERM
);
1788 sigprocmask(SIG_BLOCK
, &newmask
, &oldmask
);
1791 * Set the environment variable...
1795 setenv("USB_I386_STATUS", "1", false);
1797 setenv("USB_PPC_STATUS", "1", false);
1798 # endif /* __x86_64__ */
1801 * Tell the kernel to use the specified CPU architecture...
1805 cpu_type_t cpu
= CPU_TYPE_I386
;
1807 cpu_type_t cpu
= CPU_TYPE_POWERPC
;
1808 # endif /* __x86_64__ */
1810 posix_spawnattr_t attrs
;
1812 if (!posix_spawnattr_init(&attrs
))
1814 posix_spawnattr_setsigdefault(attrs
, &oldmask
);
1815 posix_spawnattr_setbinpref_np(attrs
, 1, &cpu
, &ocount
);
1819 * Set up the arguments and call posix_spawn...
1822 for (i
= 0; i
< argc
&& i
< (sizeof(my_argv
) / sizeof(my_argv
[0])) - 1; i
++)
1823 my_argv
[i
] = argv
[i
];
1827 if (posix_spawn(&child_pid
, "/usr/libexec/cups/backend/usb", NULL
, &attrs
,
1830 _cupsLangPrintf(stderr
, _("Unable to use legacy USB class driver!\n"));
1831 perror("DEBUG: Unable to exec /usr/libexec/cups/backend/usb");
1832 exit(CUPS_BACKEND_STOP
);
1836 * Unblock signals...
1839 sigprocmask(SIG_SETMASK
, &oldmask
, NULL
);
1842 * Close the fds we won't be using then wait for the child backend to exit.
1848 fprintf(stderr
, "DEBUG: Started usb(legacy) backend (PID %d)\n",
1851 while ((waitpid_status
= waitpid(child_pid
, &childstatus
, 0)) == (pid_t
)-1 && errno
== EINTR
)
1854 if (WIFSIGNALED(childstatus
))
1856 exitstatus
= CUPS_BACKEND_STOP
;
1857 fprintf(stderr
, "DEBUG: usb(legacy) backend %d crashed on signal %d!\n",
1858 child_pid
, WTERMSIG(childstatus
));
1862 if ((exitstatus
= WEXITSTATUS(childstatus
)) != 0)
1864 "DEBUG: usb(legacy) backend %d stopped with status %d!\n",
1865 child_pid
, exitstatus
);
1867 fprintf(stderr
, "DEBUG: usb(legacy) backend %d exited with no errors\n",
1873 fputs("DEBUG: usb(legacy) backend running native again\n", stderr
);
1874 exitstatus
= CUPS_BACKEND_STOP
;
1881 * 'sigterm_handler()' - SIGTERM handler.
1884 static void sigterm_handler(int sig
)
1886 /* If we started a child process pass the signal on to it...
1889 kill(child_pid
, sig
);
1894 #endif /* __i386__ || __x86_64__ */
1897 #ifdef PARSE_PS_ERRORS
1899 * 'next_line()' - Find the next line in a buffer.
1902 static const char *next_line (const char *buffer
)
1904 const char *cptr
, *lptr
= NULL
;
1906 for (cptr
= buffer
; *cptr
&& lptr
== NULL
; cptr
++)
1907 if (*cptr
== '\n' || *cptr
== '\r')
1914 * 'parse_pserror()' - Scan the backchannel data for postscript errors.
1917 static void parse_pserror(char *sockBuffer
,
1920 static char gErrorBuffer
[1024] = "";
1921 static char *gErrorBufferPtr
= gErrorBuffer
;
1922 static char *gErrorBufferEndPtr
= gErrorBuffer
+ sizeof(gErrorBuffer
);
1924 char *pCommentBegin
, *pCommentEnd
, *pLineEnd
;
1929 if (gErrorBufferPtr
+ len
> gErrorBufferEndPtr
- 1)
1930 gErrorBufferPtr
= gErrorBuffer
;
1931 if (len
> sizeof(gErrorBuffer
) - 1)
1932 len
= sizeof(gErrorBuffer
) - 1;
1934 memcpy(gErrorBufferPtr
, (const void *)sockBuffer
, len
);
1935 gErrorBufferPtr
+= len
;
1936 *(gErrorBufferPtr
+ 1) = '\0';
1938 pLineEnd
= (char *)next_line((const char *)gErrorBuffer
);
1939 while (pLineEnd
!= NULL
)
1943 pCommentBegin
= strstr(gErrorBuffer
,"%%[");
1944 pCommentEnd
= strstr(gErrorBuffer
, "]%%");
1945 if (pCommentBegin
!= gErrorBuffer
&& pCommentEnd
!= NULL
)
1947 pCommentEnd
+= 3; /* Skip past "]%%" */
1948 *pCommentEnd
= '\0'; /* There's always room for the nul */
1950 if (strncasecmp(pCommentBegin
, "%%[ Error:", 10) == 0)
1952 else if (strncasecmp(pCommentBegin
, "%%[ Flushing", 12) == 0)
1957 if ((logstrlen
= snprintf(logstr
, sizeof(logstr
), "%s: %s\n", logLevel
, pCommentBegin
)) >= sizeof(logstr
))
1959 /* If the string was trucnated make sure it has a linefeed before the nul */
1960 logstrlen
= sizeof(logstr
) - 1;
1961 logstr
[logstrlen
- 1] = '\n';
1963 write(STDERR_FILENO
, logstr
, logstrlen
);
1966 /* move everything over... */
1967 strcpy(gErrorBuffer
, pLineEnd
);
1968 gErrorBufferPtr
= gErrorBuffer
;
1969 pLineEnd
= (char *)next_line((const char *)gErrorBuffer
);
1972 #endif /* PARSE_PS_ERRORS */
1976 * 'soft_reset()' - Send a soft reset to the device.
1979 static void soft_reset()
1981 fd_set input_set
; /* Input set for select() */
1982 struct timeval stimeout
; /* Timeout for select() */
1983 char buffer
[2048]; /* Buffer */
1984 struct timespec cond_timeout
; /* pthread condition timeout */
1987 * Send an abort once a second until the I/O lock is released by the main thread...
1990 pthread_mutex_lock(&g
.readwrite_lock_mutex
);
1991 while (g
.readwrite_lock
)
1993 (*g
.classdriver
)->Abort(g
.classdriver
);
1995 cond_timeout
.tv_sec
= time(NULL
) + 1;
1996 cond_timeout
.tv_nsec
= 0;
1998 pthread_cond_timedwait(&g
.readwrite_lock_cond
, &g
.readwrite_lock_mutex
, &cond_timeout
);
2001 g
.readwrite_lock
= 1;
2002 pthread_mutex_unlock(&g
.readwrite_lock_mutex
);
2005 * Flush bytes waiting on print_fd...
2010 FD_ZERO(&input_set
);
2011 FD_SET(g
.print_fd
, &input_set
);
2013 stimeout
.tv_sec
= 0;
2014 stimeout
.tv_usec
= 0;
2016 while (select(g
.print_fd
+1, &input_set
, NULL
, NULL
, &stimeout
) > 0)
2017 if (read(g
.print_fd
, buffer
, sizeof(buffer
)) <= 0)
2024 (*g
.classdriver
)->SoftReset(g
.classdriver
, DEFAULT_TIMEOUT
);
2027 * Release the I/O lock...
2030 pthread_mutex_lock(&g
.readwrite_lock_mutex
);
2031 g
.readwrite_lock
= 0;
2032 pthread_cond_signal(&g
.readwrite_lock_cond
);
2033 pthread_mutex_unlock(&g
.readwrite_lock_mutex
);
2038 * 'get_device_id()' - Return IEEE-1284 device ID.
2041 static void get_device_id(cups_sc_status_t
*status
,
2045 UInt32 deviceLocation
= 0;
2046 UInt8 interfaceNum
= 0;
2047 CFStringRef deviceIDString
= NULL
;
2050 copy_devicestring(g
.printer_obj
, &deviceIDString
, &deviceLocation
, &interfaceNum
);
2053 CFStringGetCString(deviceIDString
, data
, *datalen
, kCFStringEncodingUTF8
);
2054 *datalen
= strlen(data
);
2055 CFRelease(deviceIDString
);
2057 *status
= CUPS_SC_STATUS_OK
;
2062 * End of "$Id: usb-darwin.c 7460 2008-04-16 02:19:54Z mike $".