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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_ppc_backend() - Re-exec i386 backend as ppc.
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.
86 #include <sys/sysctl.h>
88 #include <mach/mach.h>
89 #include <mach/mach_error.h>
90 #include <mach/mach_time.h>
91 #include <cups/debug.h>
92 #include <cups/sidechannel.h>
93 #include <cups/i18n.h>
95 #include <CoreFoundation/CoreFoundation.h>
96 #include <IOKit/usb/IOUSBLib.h>
97 #include <IOKit/IOCFPlugIn.h>
103 * WAIT_EOF_DELAY is number of seconds we'll wait for responses from
104 * the printer after we've finished sending all the data
106 #define WAIT_EOF_DELAY 7
107 #define WAIT_SIDE_DELAY 3
108 #define DEFAULT_TIMEOUT 60L
110 #define USB_INTERFACE_KIND CFUUIDGetUUIDBytes(kIOUSBInterfaceInterfaceID190)
111 #define kUSBLanguageEnglish 0x409
113 #define PRINTER_POLLING_INTERVAL 5 /* seconds */
114 #define INITIAL_LOG_INTERVAL PRINTER_POLLING_INTERVAL
115 #define SUBSEQUENT_LOG_INTERVAL 3 * INITIAL_LOG_INTERVAL
117 #define kUSBPrinterClassTypeID CFUUIDGetConstantUUIDWithBytes(NULL, 0x06, 0x04, 0x7D, 0x16, 0x53, 0xA2, 0x11, 0xD6, 0x92, 0x06, 0x00, 0x30, 0x65, 0x52, 0x45, 0x92)
118 #define kUSBPrinterClassInterfaceID CFUUIDGetConstantUUIDWithBytes(NULL, 0x03, 0x34, 0x6D, 0x74, 0x53, 0xA3, 0x11, 0xD6, 0x9E, 0xA1, 0x76, 0x30, 0x65, 0x52, 0x45, 0x92)
120 #define kUSBClassDriverProperty CFSTR("USB Printing Class")
122 #define kUSBGenericTOPrinterClassDriver CFSTR("/System/Library/Printers/Libraries/USBGenericTOPrintingClass.plugin")
123 #define kUSBPrinterClassDeviceNotOpen -9664 /*kPMInvalidIOMContext*/
127 * Section 5.3 USB Printing Class spec
129 #define kUSBPrintingSubclass 1
130 #define kUSBPrintingProtocolNoOpen 0
131 #define kUSBPrintingProtocolUnidirectional 1
132 #define kUSBPrintingProtocolBidirectional 2
134 typedef IOUSBInterfaceInterface190
**printer_interface_t
;
136 typedef struct iodevice_request_s
/**** Device request ****/
144 } iodevice_request_t
;
146 typedef union /**** Centronics status byte ****/
151 unsigned reserved0
:2;
152 unsigned paperError
:1;
155 unsigned reserved1
:3;
157 } centronics_status_t
;
159 typedef struct classdriver_s
/**** g.classdriver context ****/
162 CFPlugInRef plugin
; /* release plugin */
163 IUnknownVTbl
**factory
; /* Factory */
164 void *vendorReference
; /* vendor class specific usage */
165 UInt32 location
; /* unique location in bus topology */
166 UInt8 interfaceNumber
; /* Interface number */
167 UInt16 vendorID
; /* Vendor id */
168 UInt16 productID
; /* Product id */
169 printer_interface_t interface
; /* identify the device to IOKit */
170 UInt8 outpipe
; /* mandatory bulkOut pipe */
171 UInt8 inpipe
; /* optional bulkIn pipe */
173 /* general class requests */
174 kern_return_t (*DeviceRequest
)(struct classdriver_s
**printer
, iodevice_request_t
*iorequest
, UInt16 timeout
);
175 kern_return_t (*GetString
)(struct classdriver_s
**printer
, UInt8 whichString
, UInt16 language
, UInt16 timeout
, CFStringRef
*result
);
177 /* standard printer class requests */
178 kern_return_t (*SoftReset
)(struct classdriver_s
**printer
, UInt16 timeout
);
179 kern_return_t (*GetCentronicsStatus
)(struct classdriver_s
**printer
, centronics_status_t
*result
, UInt16 timeout
);
180 kern_return_t (*GetDeviceID
)(struct classdriver_s
**printer
, CFStringRef
*devid
, UInt16 timeout
);
182 /* standard bulk device requests */
183 kern_return_t (*ReadPipe
)(struct classdriver_s
**printer
, UInt8
*buffer
, UInt32
*count
);
184 kern_return_t (*WritePipe
)(struct classdriver_s
**printer
, UInt8
*buffer
, UInt32
*count
, Boolean eoj
);
186 /* interface requests */
187 kern_return_t (*Open
)(struct classdriver_s
**printer
, UInt32 location
, UInt8 protocol
);
188 kern_return_t (*Abort
)(struct classdriver_s
**printer
);
189 kern_return_t (*Close
)(struct classdriver_s
**printer
);
191 /* initialize and terminate */
192 kern_return_t (*Initialize
)(struct classdriver_s
**printer
, struct classdriver_s
**baseclass
);
193 kern_return_t (*Terminate
)(struct classdriver_s
**printer
);
197 typedef Boolean (*iterator_callback_t
)(void *refcon
, io_service_t obj
);
199 typedef struct iterator_reference_s
/**** Iterator reference data */
201 iterator_callback_t callback
;
204 } iterator_reference_t
;
206 typedef struct globals_s
208 io_service_t printer_obj
;
209 classdriver_t
**classdriver
;
211 pthread_mutex_t read_thread_mutex
;
212 pthread_cond_t read_thread_cond
;
213 int read_thread_stop
;
214 int read_thread_done
;
216 pthread_mutex_t readwrite_lock_mutex
;
217 pthread_cond_t readwrite_lock_cond
;
226 CFRunLoopTimerRef status_timer
;
228 int print_fd
; /* File descriptor to print */
229 ssize_t print_bytes
; /* Print bytes read */
232 int drain_output
; /* Drain all pending output */
233 int bidi_flag
; /* 0=unidirectional, 1=bidirectional */
235 pthread_mutex_t sidechannel_thread_mutex
;
236 pthread_cond_t sidechannel_thread_cond
;
237 int sidechannel_thread_stop
;
238 int sidechannel_thread_done
;
246 globals_t g
= { 0 }; /* Globals */
253 static Boolean
find_device_cb(void *refcon
, io_service_t obj
);
254 static Boolean
list_device_cb(void *refcon
, io_service_t obj
);
255 static CFStringRef
cfstr_create_trim(const char *cstr
);
256 static CFStringRef
copy_value_for_key(CFStringRef deviceID
, CFStringRef
*keys
);
257 static kern_return_t
load_classdriver(CFStringRef driverPath
, printer_interface_t intf
, classdriver_t
***printerDriver
);
258 static kern_return_t
load_printerdriver(CFStringRef
*driverBundlePath
);
259 static kern_return_t
registry_close();
260 static kern_return_t
registry_open(CFStringRef
*driverBundlePath
);
261 static kern_return_t
unload_classdriver();
262 static OSStatus
copy_deviceid(classdriver_t
**printer
, CFStringRef
*deviceID
);
263 static void *read_thread(void *reference
);
264 static void *sidechannel_thread(void *reference
);
265 static void copy_deviceinfo(CFStringRef deviceIDString
, CFStringRef
*make
, CFStringRef
*model
, CFStringRef
*serial
);
266 static void copy_devicestring(io_service_t usbInterface
, CFStringRef
*deviceID
, UInt32
*deviceLocation
, UInt8
*interfaceNum
);
267 static void device_added(void *userdata
, io_iterator_t iterator
);
268 static void get_device_id(cups_sc_status_t
*status
, char *data
, int *datalen
);
269 static void iterate_printers(iterator_callback_t callBack
, void *userdata
);
270 static void parse_options(char *options
, char *serial
, int serial_size
, UInt32
*location
, Boolean
*wait_eof
);
271 static void release_deviceinfo(CFStringRef
*make
, CFStringRef
*model
, CFStringRef
*serial
);
272 static void setup_cfLanguage(void);
273 static void soft_reset();
274 static void status_timer_cb(CFRunLoopTimerRef timer
, void *info
);
276 #if defined(__i386__)
277 static pid_t child_pid
; /* Child PID */
278 static void run_ppc_backend(int argc
, char *argv
[], int fd
); /* Starts child backend process running as a ppc executable */
279 static void sigterm_handler(int sig
); /* SIGTERM handler */
280 #endif /* __i386__ */
282 #ifdef PARSE_PS_ERRORS
283 static const char *next_line (const char *buffer
);
284 static void parse_pserror (char *sockBuffer
, int len
);
285 #endif /* PARSE_PS_ERRORS */
290 * 'list_devices()' - List all USB devices.
295 iterate_printers(list_device_cb
, NULL
);
300 * 'print_device()' - Print a file to a USB device.
303 int /* O - Exit status */
304 print_device(const char *uri
, /* I - Device URI */
305 const char *hostname
, /* I - Hostname/manufacturer */
306 const char *resource
, /* I - Resource/modelname */
307 char *options
, /* I - Device options/serial number */
308 int print_fd
, /* I - File descriptor to print */
309 int copies
, /* I - Copies to print */
310 int argc
, /* I - Number of command-line arguments (6 or 7) */
311 char *argv
[]) /* I - Command-line arguments */
313 char serial
[1024]; /* Serial number buffer */
314 OSStatus status
; /* Function results */
315 pthread_t read_thread_id
, /* Read thread */
316 sidechannel_thread_id
;/* Side channel thread */
317 char print_buffer
[8192], /* Print data buffer */
318 *print_ptr
; /* Pointer into print data buffer */
319 UInt32 location
; /* Unique location in bus topology */
320 fd_set input_set
; /* Input set for select() */
321 CFStringRef driverBundlePath
; /* Class driver path */
322 int countdown
, /* Logging interval */
323 nfds
; /* Number of file descriptors */
324 ssize_t total_bytes
; /* Total bytes written */
325 UInt32 bytes
; /* Bytes written */
326 struct timeval
*timeout
, /* Timeout pointer */
327 stimeout
; /* Timeout for select() */
328 struct timespec cond_timeout
; /* pthread condition timeout */
332 parse_options(options
, serial
, sizeof(serial
), &location
, &g
.wait_eof
);
334 if (resource
[0] == '/')
337 g
.print_fd
= print_fd
;
338 g
.make
= cfstr_create_trim(hostname
);
339 g
.model
= cfstr_create_trim(resource
);
340 g
.serial
= cfstr_create_trim(serial
);
341 g
.location
= location
;
343 fputs("STATE: +connecting-to-device\n", stderr
);
345 countdown
= INITIAL_LOG_INTERVAL
;
351 IOObjectRelease(g
.printer_obj
);
352 unload_classdriver(&g
.classdriver
);
357 fprintf(stderr
, "DEBUG: Looking for '%s %s'\n", hostname
, resource
);
359 iterate_printers(find_device_cb
, NULL
);
361 fputs("DEBUG: Opening connection\n", stderr
);
363 driverBundlePath
= NULL
;
365 status
= registry_open(&driverBundlePath
);
367 #if defined(__i386__)
369 * If we were unable to load the class drivers for this printer it's probably because they're ppc-only.
370 * In this case try to fork & exec this backend as a ppc executable so we can use them...
374 run_ppc_backend(argc
, argv
, print_fd
);
375 /* Never returns here */
377 #endif /* __i386__ */
382 * If we still were unable to load the class drivers for this printer log
383 * the error and stop the queue...
386 if (driverBundlePath
== NULL
|| !CFStringGetCString(driverBundlePath
, print_buffer
, sizeof(print_buffer
), kCFStringEncodingUTF8
))
387 strlcpy(print_buffer
, "USB class driver", sizeof(print_buffer
));
389 fputs("STATE: +apple-missing-usbclassdriver-error\n", stderr
);
390 _cupsLangPrintf(stderr
, _("FATAL: Could not load %s\n"), print_buffer
);
392 if (driverBundlePath
)
393 CFRelease(driverBundlePath
);
395 return CUPS_BACKEND_STOP
;
398 if (driverBundlePath
)
399 CFRelease(driverBundlePath
);
403 sleep(PRINTER_POLLING_INTERVAL
);
404 countdown
-= PRINTER_POLLING_INTERVAL
;
407 _cupsLangPrintf(stderr
, _("INFO: Printer busy (status:0x%08x)\n"),
409 countdown
= SUBSEQUENT_LOG_INTERVAL
; /* subsequent log entries, every 15 seconds */
412 } while (status
!= noErr
);
414 fputs("STATE: -connecting-to-device\n", stderr
);
417 * Now that we are "connected" to the port, ignore SIGTERM so that we
418 * can finish out any page data the driver sends (e.g. to eject the
419 * current page... Only ignore SIGTERM if we are printing data from
420 * stdin (otherwise you can't cancel raw jobs...)
425 struct sigaction action
; /* POSIX signal action */
428 memset(&action
, 0, sizeof(action
));
430 sigemptyset(&action
.sa_mask
);
431 action
.sa_handler
= SIG_IGN
;
432 sigaction(SIGTERM
, &action
, NULL
);
436 * Start the side channel thread only if the descriptor is valid
437 * (i.e. it's not when the backend is used for auto-setup)...
440 pthread_mutex_init(&g
.readwrite_lock_mutex
, NULL
);
441 pthread_cond_init(&g
.readwrite_lock_cond
, NULL
);
442 g
.readwrite_lock
= 1;
445 FD_SET(CUPS_SC_FD
, &input_set
);
448 stimeout
.tv_usec
= 0;
450 if ((select(CUPS_SC_FD
+1, &input_set
, NULL
, NULL
, &stimeout
)) >= 0)
452 g
.sidechannel_thread_stop
= 0;
453 g
.sidechannel_thread_done
= 0;
455 pthread_cond_init(&g
.sidechannel_thread_cond
, NULL
);
456 pthread_mutex_init(&g
.sidechannel_thread_mutex
, NULL
);
458 if (pthread_create(&sidechannel_thread_id
, NULL
, sidechannel_thread
, NULL
))
460 _cupsLangPuts(stderr
, _("WARNING: Couldn't create side channel\n"));
461 return CUPS_BACKEND_STOP
;
466 * Get the read thread going...
469 g
.read_thread_stop
= 0;
470 g
.read_thread_done
= 0;
472 pthread_cond_init(&g
.read_thread_cond
, NULL
);
473 pthread_mutex_init(&g
.read_thread_mutex
, NULL
);
475 if (pthread_create(&read_thread_id
, NULL
, read_thread
, NULL
))
477 _cupsLangPuts(stderr
, _("WARNING: Couldn't create read channel\n"));
478 return CUPS_BACKEND_STOP
;
482 * The main thread sends the print file...
488 print_ptr
= print_buffer
;
490 while (status
== noErr
&& copies
-- > 0)
492 _cupsLangPuts(stderr
, _("INFO: Sending data\n"));
494 if (print_fd
!= STDIN_FILENO
)
496 fputs("PAGE: 1 1", stderr
);
497 lseek(print_fd
, 0, SEEK_SET
);
500 while (status
== noErr
)
505 FD_SET(print_fd
, &input_set
);
508 * Calculate select timeout...
509 * If we have data waiting to send timeout is 100ms.
510 * else if we're draining print_fd timeout is 0.
511 * else we're waiting forever...
517 stimeout
.tv_usec
= 100000; /* 100ms */
520 else if (g
.drain_output
)
523 stimeout
.tv_usec
= 0;
530 * I/O is unlocked around select...
533 pthread_mutex_lock(&g
.readwrite_lock_mutex
);
534 g
.readwrite_lock
= 0;
535 pthread_cond_signal(&g
.readwrite_lock_cond
);
536 pthread_mutex_unlock(&g
.readwrite_lock_mutex
);
538 nfds
= select(print_fd
+ 1, &input_set
, NULL
, NULL
, timeout
);
541 * Reacquire the lock...
544 pthread_mutex_lock(&g
.readwrite_lock_mutex
);
545 while (g
.readwrite_lock
)
546 pthread_cond_wait(&g
.readwrite_lock_cond
, &g
.readwrite_lock_mutex
);
547 g
.readwrite_lock
= 1;
548 pthread_mutex_unlock(&g
.readwrite_lock_mutex
);
552 if (errno
== EINTR
&& total_bytes
== 0)
554 fputs("DEBUG: Received an interrupt before any bytes were "
555 "written, aborting!\n", stderr
);
558 else if (errno
!= EAGAIN
)
560 _cupsLangPrintf(stderr
, _("ERROR: select() returned %d\n"), (int)errno
);
561 return CUPS_BACKEND_STOP
;
566 * If drain output has finished send a response...
569 if (g
.drain_output
&& !nfds
&& !g
.print_bytes
)
571 /* Send a response... */
572 cupsSideChannelWrite(CUPS_SC_CMD_DRAIN_OUTPUT
, CUPS_SC_STATUS_OK
, NULL
, 0, 1.0);
577 * Check if we have print data ready...
580 if (FD_ISSET(print_fd
, &input_set
))
582 g
.print_bytes
= read(print_fd
, print_buffer
, sizeof(print_buffer
));
584 if (g
.print_bytes
< 0)
587 * Read error - bail if we don't see EAGAIN or EINTR...
590 if (errno
!= EAGAIN
|| errno
!= EINTR
)
592 perror("ERROR: Unable to read print data");
593 return CUPS_BACKEND_STOP
;
598 else if (g
.print_bytes
== 0)
601 * End of file, break out of the loop...
607 print_ptr
= print_buffer
;
609 fprintf(stderr
, "DEBUG: Read %d bytes of print data...\n",
615 bytes
= g
.print_bytes
;
617 status
= (*g
.classdriver
)->WritePipe(g
.classdriver
, (UInt8
*)print_ptr
, &bytes
, 0);
620 * Ignore timeout errors...
623 if (status
== kIOUSBTransactionTimeout
)
629 if (status
|| bytes
< 0)
632 * Write error - bail if we don't see an error we can retry...
635 OSStatus err
= (*g
.classdriver
)->Abort(g
.classdriver
);
636 _cupsLangPrintf(stderr
, _("ERROR: %ld: (canceled:%ld)\n"),
637 (long)status
, (long)err
);
638 status
= CUPS_BACKEND_STOP
;
642 fprintf(stderr
, "DEBUG: Wrote %d bytes of print data...\n", (int)bytes
);
644 g
.print_bytes
-= bytes
;
646 total_bytes
+= bytes
;
649 if (print_fd
!= 0 && status
== noErr
)
650 fprintf(stderr
, "DEBUG: Sending print file, %lld bytes...\n",
655 fprintf(stderr
, "DEBUG: Sent %lld bytes...\n", (off_t
)total_bytes
);
658 * Wait for the side channel thread to exit...
662 pthread_mutex_lock(&g
.readwrite_lock_mutex
);
663 g
.readwrite_lock
= 0;
664 pthread_cond_signal(&g
.readwrite_lock_cond
);
665 pthread_mutex_unlock(&g
.readwrite_lock_mutex
);
667 g
.sidechannel_thread_stop
= 1;
668 pthread_mutex_lock(&g
.sidechannel_thread_mutex
);
669 if (!g
.sidechannel_thread_done
)
671 cond_timeout
.tv_sec
= time(NULL
) + WAIT_SIDE_DELAY
;
672 cond_timeout
.tv_nsec
= 0;
673 pthread_cond_timedwait(&g
.sidechannel_thread_cond
,
674 &g
.sidechannel_thread_mutex
, &cond_timeout
);
676 pthread_mutex_unlock(&g
.sidechannel_thread_mutex
);
678 pthread_join(sidechannel_thread_id
, NULL
);
680 pthread_cond_destroy(&g
.sidechannel_thread_cond
);
681 pthread_mutex_destroy(&g
.sidechannel_thread_mutex
);
683 pthread_cond_destroy(&g
.readwrite_lock_cond
);
684 pthread_mutex_destroy(&g
.readwrite_lock_mutex
);
687 * Signal the read thread to stop...
690 g
.read_thread_stop
= 1;
693 * Give the read thread WAIT_EOF_DELAY seconds to complete all the data. If
694 * we are not signaled in that time then force the thread to exit by setting
695 * the waiteof to be false. Plese note that this relies on us using the timeout
699 pthread_mutex_lock(&g
.read_thread_mutex
);
701 if (!g
.read_thread_done
)
703 cond_timeout
.tv_sec
= time(NULL
) + WAIT_EOF_DELAY
;
704 cond_timeout
.tv_nsec
= 0;
706 if (pthread_cond_timedwait(&g
.read_thread_cond
, &g
.read_thread_mutex
,
710 pthread_mutex_unlock(&g
.read_thread_mutex
);
712 pthread_join(read_thread_id
, NULL
); /* wait for the read thread to return */
714 pthread_cond_destroy(&g
.read_thread_cond
);
715 pthread_mutex_destroy(&g
.read_thread_mutex
);
718 * Close the connection and input file and general clean up...
723 if (print_fd
!= STDIN_FILENO
)
732 if (g
.serial
!= NULL
)
735 if (g
.printer_obj
!= 0x0)
736 IOObjectRelease(g
.printer_obj
);
743 * 'read_thread()' - Thread to read the backchannel data on.
746 static void *read_thread(void *reference
)
748 UInt8 readbuffer
[512];
750 kern_return_t readstatus
;
751 struct mach_timebase_info timeBaseInfo
;
755 /* Calculate what 250 milliSeconds are in mach absolute time...
757 mach_timebase_info(&timeBaseInfo
);
758 delay
= ((uint64_t)250000000 * (uint64_t)timeBaseInfo
.denom
) / (uint64_t)timeBaseInfo
.numer
;
763 * Remember when we started so we can throttle the loop after the read call...
766 start
= mach_absolute_time();
768 rbytes
= sizeof(readbuffer
);
769 readstatus
= (*g
.classdriver
)->ReadPipe(g
.classdriver
, readbuffer
, &rbytes
);
770 if (readstatus
== kIOReturnSuccess
&& rbytes
> 0)
772 cupsBackChannelWrite((char*)readbuffer
, rbytes
, 1.0);
774 /* cntrl-d is echoed by the printer.
776 * Xerox Phaser 6250D doesn't echo the cntrl-d.
777 * Xerox Phaser 6250D doesn't always send the product query.
779 if (g
.wait_eof
&& readbuffer
[rbytes
-1] == 0x4)
782 #ifdef PARSE_PS_ERRORS
783 parse_pserror(readbuffer
, rbytes
);
788 * Make sure this loop executes no more than once every 250 miliseconds...
791 if ((readstatus
!= kIOReturnSuccess
|| rbytes
== 0) && (g
.wait_eof
|| !g
.read_thread_stop
))
792 mach_wait_until(start
+ delay
);
794 } while (g
.wait_eof
|| !g
.read_thread_stop
); /* Abort from main thread tests error here */
797 * Let the main thread know that we have completed the read thread...
800 pthread_mutex_lock(&g
.read_thread_mutex
);
801 g
.read_thread_done
= 1;
802 pthread_cond_signal(&g
.read_thread_cond
);
803 pthread_mutex_unlock(&g
.read_thread_mutex
);
810 * 'sidechannel_thread()' - Handle side-channel requests.
814 sidechannel_thread(void *reference
)
816 cups_sc_command_t command
; /* Request command */
817 cups_sc_status_t status
; /* Request/response status */
818 char data
[2048]; /* Request/response data */
819 int datalen
; /* Request/response data size */
824 datalen
= sizeof(data
);
826 if (cupsSideChannelRead(&command
, &status
, data
, &datalen
, 1.0))
831 case CUPS_SC_CMD_SOFT_RESET
: /* Do a soft reset */
833 cupsSideChannelWrite(command
, CUPS_SC_STATUS_OK
, NULL
, 0, 1.0);
836 case CUPS_SC_CMD_DRAIN_OUTPUT
: /* Drain all pending output */
840 case CUPS_SC_CMD_GET_BIDI
: /* Is the connection bidirectional? */
841 data
[0] = g
.bidi_flag
;
842 cupsSideChannelWrite(command
, CUPS_SC_STATUS_OK
, data
, 1, 1.0);
845 case CUPS_SC_CMD_GET_DEVICE_ID
: /* Return IEEE-1284 device ID */
846 datalen
= sizeof(data
);
847 get_device_id(&status
, data
, &datalen
);
848 cupsSideChannelWrite(command
, CUPS_SC_STATUS_OK
, data
, datalen
, 1.0);
851 case CUPS_SC_CMD_GET_STATE
: /* Return device state */
852 data
[0] = CUPS_SC_STATE_ONLINE
;
853 cupsSideChannelWrite(command
, CUPS_SC_STATUS_OK
, data
, 1, 1.0);
857 cupsSideChannelWrite(command
, CUPS_SC_STATUS_NOT_IMPLEMENTED
,
862 while (!g
.sidechannel_thread_stop
);
864 pthread_mutex_lock(&g
.sidechannel_thread_mutex
);
865 g
.sidechannel_thread_done
= 1;
866 pthread_cond_signal(&g
.sidechannel_thread_cond
);
867 pthread_mutex_unlock(&g
.sidechannel_thread_mutex
);
875 * 'iterate_printers()' - Iterate over all the printers.
878 static void iterate_printers(iterator_callback_t callBack
,
881 mach_port_t masterPort
= 0x0;
882 kern_return_t kr
= IOMasterPort (bootstrap_port
, &masterPort
);
884 if (kr
== kIOReturnSuccess
&& masterPort
!= 0x0)
886 io_iterator_t addIterator
= 0x0;
888 iterator_reference_t reference
= { callBack
, userdata
, true };
889 IONotificationPortRef addNotification
= IONotificationPortCreate(masterPort
);
891 int klass
= kUSBPrintingClass
;
892 int subklass
= kUSBPrintingSubclass
;
894 CFNumberRef usb_klass
= CFNumberCreate(NULL
, kCFNumberIntType
, &klass
);
895 CFNumberRef usb_subklass
= CFNumberCreate(NULL
, kCFNumberIntType
, &subklass
);
896 CFMutableDictionaryRef usbPrinterMatchDictionary
= IOServiceMatching(kIOUSBInterfaceClassName
);
898 CFDictionaryAddValue(usbPrinterMatchDictionary
, CFSTR("bInterfaceClass"), usb_klass
);
899 CFDictionaryAddValue(usbPrinterMatchDictionary
, CFSTR("bInterfaceSubClass"), usb_subklass
);
901 CFRelease(usb_klass
);
902 CFRelease(usb_subklass
);
904 kr
= IOServiceAddMatchingNotification(addNotification
, kIOMatchedNotification
, usbPrinterMatchDictionary
, &device_added
, &reference
, &addIterator
);
905 if (addIterator
!= 0x0)
907 device_added (&reference
, addIterator
);
909 if (reference
.keepRunning
)
911 CFRunLoopAddSource(CFRunLoopGetCurrent(), IONotificationPortGetRunLoopSource(addNotification
), kCFRunLoopDefaultMode
);
914 IOObjectRelease(addIterator
);
916 mach_port_deallocate(mach_task_self(), masterPort
);
922 * 'device_added()' - Device added notifier.
925 static void device_added(void *userdata
,
926 io_iterator_t iterator
)
928 iterator_reference_t
*reference
= userdata
;
931 while (reference
->keepRunning
&& (obj
= IOIteratorNext(iterator
)) != 0x0)
933 if (reference
->callback
!= NULL
)
934 reference
->keepRunning
= reference
->callback(reference
->userdata
, obj
);
936 IOObjectRelease(obj
);
939 /* One last call to the call back now that we are not longer have printers left to iterate...
941 if (reference
->keepRunning
)
942 reference
->keepRunning
= reference
->callback(reference
->userdata
, 0x0);
944 if (!reference
->keepRunning
)
945 CFRunLoopStop(CFRunLoopGetCurrent());
950 * 'list_device_cb()' - list_device iterator callback.
953 static Boolean
list_device_cb(void *refcon
,
956 Boolean keepRunning
= (obj
!= 0x0);
960 CFStringRef deviceIDString
= NULL
;
961 UInt32 deviceLocation
= 0;
962 UInt8 interfaceNum
= 0;
964 copy_devicestring(obj
, &deviceIDString
, &deviceLocation
, &interfaceNum
);
965 if (deviceIDString
!= NULL
)
967 CFStringRef make
= NULL
, model
= NULL
, serial
= NULL
;
968 char uristr
[1024], makestr
[1024], modelstr
[1024], serialstr
[1024];
969 char optionsstr
[1024], idstr
[1024];
971 copy_deviceinfo(deviceIDString
, &make
, &model
, &serial
);
975 CFStringGetCString(deviceIDString
, idstr
, sizeof(idstr
),
976 kCFStringEncodingUTF8
);
979 CFStringGetCString(make
, makestr
, sizeof(makestr
),
980 kCFStringEncodingUTF8
);
982 strcpy(makestr
, "Unknown");
985 CFStringGetCString(model
, &modelstr
[1], sizeof(modelstr
)-1,
986 kCFStringEncodingUTF8
);
988 strcpy(modelstr
+ 1, "Printer");
990 optionsstr
[0] = '\0';
993 CFStringGetCString(serial
, serialstr
, sizeof(serialstr
), kCFStringEncodingUTF8
);
994 snprintf(optionsstr
, sizeof(optionsstr
), "?serial=%s", serialstr
);
996 else if (deviceLocation
!= 0)
997 snprintf(optionsstr
, sizeof(optionsstr
), "?location=%x", (unsigned)deviceLocation
);
999 httpAssembleURI(HTTP_URI_CODING_ALL
, uristr
, sizeof(uristr
), "usb", NULL
, makestr
, 0, modelstr
);
1000 strncat(uristr
, optionsstr
, sizeof(uristr
));
1003 * Fix common HP 1284 bug...
1006 if (!strcasecmp(makestr
, "Hewlett-Packard"))
1007 strcpy(makestr
, "HP");
1009 if (!strncasecmp(modelstr
+ 1, "hp ", 3))
1010 _cups_strcpy(modelstr
+ 1, modelstr
+ 4);
1012 printf("direct %s \"%s %s\" \"%s %s USB\" \"%s\"\n", uristr
, makestr
,
1013 &modelstr
[1], makestr
, &modelstr
[1], idstr
);
1015 release_deviceinfo(&make
, &model
, &serial
);
1016 CFRelease(deviceIDString
);
1025 * 'find_device_cb()' - print_device iterator callback.
1028 static Boolean
find_device_cb(void *refcon
,
1031 Boolean keepLooking
= true;
1035 CFStringRef idString
= NULL
;
1036 UInt32 location
= -1;
1037 UInt8 interfaceNum
= 0;
1039 copy_devicestring(obj
, &idString
, &location
, &interfaceNum
);
1040 if (idString
!= NULL
)
1042 CFStringRef make
= NULL
, model
= NULL
, serial
= NULL
;
1044 copy_deviceinfo(idString
, &make
, &model
, &serial
);
1045 if (CFStringCompare(make
, g
.make
, kCFCompareCaseInsensitive
) == kCFCompareEqualTo
)
1047 if (CFStringCompare(model
, g
.model
, kCFCompareCaseInsensitive
) == kCFCompareEqualTo
)
1049 if (g
.serial
!= NULL
&& CFStringGetLength(g
.serial
) > 0)
1051 if (serial
!= NULL
&& CFStringCompare(serial
, g
.serial
, kCFCompareCaseInsensitive
) == kCFCompareEqualTo
)
1053 IOObjectRetain(obj
);
1054 g
.printer_obj
= obj
;
1055 keepLooking
= false;
1060 if (g
.printer_obj
!= 0)
1061 IOObjectRelease(g
.printer_obj
);
1063 g
.printer_obj
= obj
;
1064 IOObjectRetain(obj
);
1066 if (g
.location
== 0 || g
.location
== location
)
1067 keepLooking
= false;
1070 g
.interfaceNum
= interfaceNum
;
1074 release_deviceinfo(&make
, &model
, &serial
);
1075 CFRelease(idString
);
1080 keepLooking
= (g
.printer_obj
== 0);
1081 if (obj
== 0x0 && keepLooking
)
1083 CFRunLoopTimerContext context
= { 0, refcon
, NULL
, NULL
, NULL
};
1084 CFRunLoopTimerRef timer
= CFRunLoopTimerCreate(NULL
, CFAbsoluteTimeGetCurrent() + 1.0, 10, 0x0, 0x0, status_timer_cb
, &context
);
1087 CFRunLoopAddTimer(CFRunLoopGetCurrent(), timer
, kCFRunLoopDefaultMode
);
1088 g
.status_timer
= timer
;
1093 if (!keepLooking
&& g
.status_timer
!= NULL
)
1095 fputs("STATE: -offline-error\n", stderr
);
1096 _cupsLangPuts(stderr
, _("INFO: Printer is now on-line.\n"));
1097 CFRunLoopRemoveTimer(CFRunLoopGetCurrent(), g
.status_timer
, kCFRunLoopDefaultMode
);
1098 CFRelease(g
.status_timer
);
1099 g
.status_timer
= NULL
;
1107 * 'status_timer_cb()' - Status timer callback.
1110 static void status_timer_cb(CFRunLoopTimerRef timer
,
1113 fputs("STATE: +offline-error\n", stderr
);
1114 _cupsLangPuts(stderr
, _("INFO: Printer is currently off-line.\n"));
1120 * 'copy_deviceinfo()' - Copy strings from the 1284 device ID.
1123 static void copy_deviceinfo(CFStringRef deviceIDString
,
1126 CFStringRef
*serial
)
1128 CFStringRef modelKeys
[] = { CFSTR("MDL:"), CFSTR("MODEL:"), NULL
};
1129 CFStringRef makeKeys
[] = { CFSTR("MFG:"), CFSTR("MANUFACTURER:"), NULL
};
1130 CFStringRef serialKeys
[] = { CFSTR("SN:"), CFSTR("SERN:"), NULL
};
1133 *make
= copy_value_for_key(deviceIDString
, makeKeys
);
1135 *model
= copy_value_for_key(deviceIDString
, modelKeys
);
1137 *serial
= copy_value_for_key(deviceIDString
, serialKeys
);
1142 * 'release_deviceinfo()' - Release deviceinfo strings.
1145 static void release_deviceinfo(CFStringRef
*make
,
1147 CFStringRef
*serial
)
1149 if (make
!= NULL
&& *make
!= NULL
)
1155 if (model
!= NULL
&& *model
!= NULL
)
1161 if (serial
!= NULL
&& *serial
!= NULL
)
1171 * 'load_classdriver()' - Load a classdriver.
1174 static kern_return_t
load_classdriver(CFStringRef driverPath
,
1175 printer_interface_t intf
,
1176 classdriver_t
***printerDriver
)
1178 kern_return_t kr
= kUSBPrinterClassDeviceNotOpen
;
1179 classdriver_t
**driver
= NULL
;
1180 CFStringRef bundle
= (driverPath
== NULL
? kUSBGenericTOPrinterClassDriver
: driverPath
);
1184 CFURLRef url
= CFURLCreateWithFileSystemPath(NULL
, bundle
, kCFURLPOSIXPathStyle
, true);
1185 CFPlugInRef plugin
= (url
!= NULL
? CFPlugInCreate(NULL
, url
) : NULL
);
1192 CFArrayRef factories
= CFPlugInFindFactoriesForPlugInTypeInPlugIn(kUSBPrinterClassTypeID
, plugin
);
1193 if (factories
!= NULL
&& CFArrayGetCount(factories
) > 0)
1195 CFUUIDRef factoryID
= CFArrayGetValueAtIndex(factories
, 0);
1196 IUnknownVTbl
**iunknown
= CFPlugInInstanceCreate(NULL
, factoryID
, kUSBPrinterClassTypeID
);
1197 if (iunknown
!= NULL
)
1199 kr
= (*iunknown
)->QueryInterface(iunknown
, CFUUIDGetUUIDBytes(kUSBPrinterClassInterfaceID
), (LPVOID
*)&driver
);
1200 if (kr
== kIOReturnSuccess
&& driver
!= NULL
)
1202 classdriver_t
**genericDriver
= NULL
;
1203 if (driverPath
!= NULL
&& CFStringCompare(driverPath
, kUSBGenericTOPrinterClassDriver
, 0) != kCFCompareEqualTo
)
1204 kr
= load_classdriver(NULL
, intf
, &genericDriver
);
1206 if (kr
== kIOReturnSuccess
)
1208 (*driver
)->interface
= intf
;
1209 (*driver
)->Initialize(driver
, genericDriver
);
1211 (*driver
)->plugin
= plugin
;
1212 (*driver
)->interface
= intf
;
1213 *printerDriver
= driver
;
1216 (*iunknown
)->Release(iunknown
);
1218 CFRelease(factories
);
1224 char bundlestr
[1024];
1225 CFStringGetCString(bundle
, bundlestr
, sizeof(bundlestr
), kCFStringEncodingUTF8
);
1226 fprintf(stderr
, "DEBUG: load_classdriver(%s) (kr:0x%08x)\n", bundlestr
, (int)kr
);
1234 * 'unload_classdriver()' - Unload a classdriver.
1237 static kern_return_t
unload_classdriver(classdriver_t
***classdriver
)
1239 if (*classdriver
!= NULL
)
1241 (**classdriver
)->Release(*classdriver
);
1242 *classdriver
= NULL
;
1245 return kIOReturnSuccess
;
1250 * 'load_printerdriver()' - Load vendor's classdriver.
1252 * If driverBundlePath is not NULL on return it is the callers responsbility to release it!
1255 static kern_return_t
load_printerdriver(CFStringRef
*driverBundlePath
)
1257 IOCFPlugInInterface
**iodev
= NULL
;
1260 printer_interface_t intf
;
1263 kr
= IOCreatePlugInInterfaceForService(g
.printer_obj
, kIOUSBInterfaceUserClientTypeID
, kIOCFPlugInInterfaceID
, &iodev
, &score
);
1264 if (kr
== kIOReturnSuccess
)
1266 if ((res
= (*iodev
)->QueryInterface(iodev
, USB_INTERFACE_KIND
, (LPVOID
*) &intf
)) == noErr
)
1268 *driverBundlePath
= IORegistryEntryCreateCFProperty(g
.printer_obj
, kUSBClassDriverProperty
, NULL
, kNilOptions
);
1270 kr
= load_classdriver(*driverBundlePath
, intf
, &g
.classdriver
);
1272 if (kr
!= kIOReturnSuccess
)
1273 (*intf
)->Release(intf
);
1275 IODestroyPlugInInterface(iodev
);
1282 * 'registry_open()' - Open a connection to the printer.
1285 static kern_return_t
registry_open(CFStringRef
*driverBundlePath
)
1287 g
.bidi_flag
= 0; /* 0=unidirectional */
1289 kern_return_t kr
= load_printerdriver(driverBundlePath
);
1290 if (kr
!= kIOReturnSuccess
)
1293 if (g
.classdriver
!= NULL
)
1295 (*g
.classdriver
)->interfaceNumber
= g
.interfaceNum
;
1296 kr
= (*g
.classdriver
)->Open(g
.classdriver
, g
.location
, kUSBPrintingProtocolBidirectional
);
1297 if (kr
!= kIOReturnSuccess
|| (*g
.classdriver
)->interface
== NULL
)
1299 kr
= (*g
.classdriver
)->Open(g
.classdriver
, g
.location
, kUSBPrintingProtocolUnidirectional
);
1300 if (kr
== kIOReturnSuccess
)
1302 if ((*g
.classdriver
)->interface
== NULL
)
1304 (*g
.classdriver
)->Close(g
.classdriver
);
1310 g
.bidi_flag
= 1; /* 1=bidirectional */
1313 if (kr
!= kIOReturnSuccess
)
1314 unload_classdriver(&g
.classdriver
);
1321 * 'registry_close()' - Close the connection to the printer.
1324 static kern_return_t
registry_close()
1326 if (g
.classdriver
!= NULL
)
1327 (*g
.classdriver
)->Close(g
.classdriver
);
1329 unload_classdriver(&g
.classdriver
);
1330 return kIOReturnSuccess
;
1335 * 'copy_deviceid()' - Copy the 1284 device id string.
1338 static OSStatus
copy_deviceid(classdriver_t
**classdriver
,
1339 CFStringRef
*deviceID
)
1341 CFStringRef devID
= NULL
,
1345 deviceSerial
= NULL
;
1347 OSStatus err
= (*classdriver
)->GetDeviceID(classdriver
, &devID
, DEFAULT_TIMEOUT
);
1349 copy_deviceinfo(devID
, &deviceMake
, &deviceModel
, &deviceSerial
);
1351 if (deviceMake
== NULL
|| deviceModel
== NULL
|| deviceSerial
== NULL
)
1353 IOUSBDeviceDescriptor desc
;
1354 iodevice_request_t request
;
1356 request
.requestType
= USBmakebmRequestType(kUSBIn
, kUSBStandard
, kUSBDevice
);
1357 request
.request
= kUSBRqGetDescriptor
;
1358 request
.value
= (kUSBDeviceDesc
<< 8) | 0;
1360 request
.length
= sizeof(desc
);
1361 request
.buffer
= &desc
;
1362 err
= (*classdriver
)->DeviceRequest(classdriver
, &request
, DEFAULT_TIMEOUT
);
1363 if (err
== kIOReturnSuccess
)
1365 CFMutableStringRef newDevID
= CFStringCreateMutable(NULL
, 0);
1367 if (deviceMake
== NULL
)
1369 CFStringRef data
= NULL
;
1370 err
= (*classdriver
)->GetString(classdriver
, desc
.iManufacturer
, kUSBLanguageEnglish
, DEFAULT_TIMEOUT
, &data
);
1373 CFStringAppendFormat(newDevID
, NULL
, CFSTR("MFG:%@;"), data
);
1378 if (deviceModel
== NULL
)
1380 CFStringRef data
= NULL
;
1381 err
= (*classdriver
)->GetString(classdriver
, desc
.iProduct
, kUSBLanguageEnglish
, DEFAULT_TIMEOUT
, &data
);
1384 CFStringAppendFormat(newDevID
, NULL
, CFSTR("MDL:%@;"), data
);
1389 if (deviceSerial
== NULL
&& desc
.iSerialNumber
!= 0)
1391 CFStringRef data
= NULL
;
1392 err
= (*classdriver
)->GetString(classdriver
, desc
.iSerialNumber
, kUSBLanguageEnglish
, DEFAULT_TIMEOUT
, &data
);
1395 CFStringAppendFormat(newDevID
, NULL
, CFSTR("SERN:%@;"), data
);
1402 CFStringAppend(newDevID
, devID
);
1406 *deviceID
= newDevID
;
1413 release_deviceinfo(&deviceMake
, &deviceModel
, &deviceSerial
);
1420 * 'copy_devicestring()' - Copy the 1284 device id string.
1423 static void copy_devicestring(io_service_t usbInterface
,
1424 CFStringRef
*deviceID
,
1425 UInt32
*deviceLocation
,
1426 UInt8
*interfaceNumber
)
1428 IOCFPlugInInterface
**iodev
= NULL
;
1431 printer_interface_t intf
;
1433 classdriver_t
**klassDriver
= NULL
;
1434 CFStringRef driverBundlePath
;
1436 if ((kr
= IOCreatePlugInInterfaceForService(usbInterface
,
1437 kIOUSBInterfaceUserClientTypeID
,
1438 kIOCFPlugInInterfaceID
,
1439 &iodev
, &score
)) == kIOReturnSuccess
)
1441 if ((res
= (*iodev
)->QueryInterface(iodev
, USB_INTERFACE_KIND
, (LPVOID
*)
1444 (*intf
)->GetLocationID(intf
, deviceLocation
);
1445 (*intf
)->GetInterfaceNumber(intf
, interfaceNumber
);
1447 driverBundlePath
= IORegistryEntryCreateCFProperty(usbInterface
,
1448 kUSBClassDriverProperty
,
1451 kr
= load_classdriver(driverBundlePath
, intf
, &klassDriver
);
1453 if (kr
!= kIOReturnSuccess
&& driverBundlePath
!= NULL
)
1454 kr
= load_classdriver(NULL
, intf
, &klassDriver
);
1456 if (kr
== kIOReturnSuccess
&& klassDriver
!= NULL
)
1457 kr
= copy_deviceid(klassDriver
, deviceID
);
1459 unload_classdriver(&klassDriver
);
1461 if (driverBundlePath
!= NULL
)
1462 CFRelease(driverBundlePath
);
1464 /* (*intf)->Release(intf); */
1466 IODestroyPlugInInterface(iodev
);
1473 * 'copy_value_for_key()' - Copy value string associated with a key.
1476 static CFStringRef
copy_value_for_key(CFStringRef deviceID
,
1479 CFStringRef value
= NULL
;
1480 CFArrayRef kvPairs
= deviceID
!= NULL
? CFStringCreateArrayBySeparatingStrings(NULL
, deviceID
, CFSTR(";")) : NULL
;
1481 CFIndex max
= kvPairs
!= NULL
? CFArrayGetCount(kvPairs
) : 0;
1484 while (idx
< max
&& value
== NULL
)
1486 CFStringRef kvpair
= CFArrayGetValueAtIndex(kvPairs
, idx
);
1488 while (keys
[idxx
] != NULL
&& value
== NULL
)
1490 CFRange range
= CFStringFind(kvpair
, keys
[idxx
], kCFCompareCaseInsensitive
);
1491 if (range
.length
!= -1)
1493 if (range
.location
!= 0)
1495 CFMutableStringRef theString
= CFStringCreateMutableCopy(NULL
, 0, kvpair
);
1496 CFStringTrimWhitespace(theString
);
1497 range
= CFStringFind(theString
, keys
[idxx
], kCFCompareCaseInsensitive
);
1498 if (range
.location
== 0)
1499 value
= CFStringCreateWithSubstring(NULL
, theString
, CFRangeMake(range
.length
, CFStringGetLength(theString
) - range
.length
));
1501 CFRelease(theString
);
1505 CFStringRef theString
= CFStringCreateWithSubstring(NULL
, kvpair
, CFRangeMake(range
.length
, CFStringGetLength(kvpair
) - range
.length
));
1506 CFMutableStringRef theString2
= CFStringCreateMutableCopy(NULL
, 0, theString
);
1507 CFRelease(theString
);
1509 CFStringTrimWhitespace(theString2
);
1518 if (kvPairs
!= NULL
)
1525 * 'cfstr_create_trim()' - Create CFString and trim whitespace characters.
1528 CFStringRef
cfstr_create_trim(const char *cstr
)
1531 CFMutableStringRef cfmutablestr
= NULL
;
1533 if ((cfstr
= CFStringCreateWithCString(NULL
, cstr
, kCFStringEncodingUTF8
)) != NULL
)
1535 if ((cfmutablestr
= CFStringCreateMutableCopy(NULL
, 1024, cfstr
)) != NULL
)
1536 CFStringTrimWhitespace(cfmutablestr
);
1540 return (CFStringRef
) cfmutablestr
;
1546 * 'parse_options()' - Parse URI options.
1549 static void parse_options(char *options
,
1555 char sep
, /* Separator character */
1556 *name
, /* Name of option */
1557 *value
; /* Value of option */
1576 while (*options
&& *options
!= '=' && *options
!= '+' && *options
!= '&')
1579 if ((sep
= *options
) != '\0')
1590 while (*options
&& *options
!= '+' && *options
!= '&')
1600 * Process the option...
1603 if (!strcasecmp(name
, "waiteof"))
1605 if (!strcasecmp(value
, "on") ||
1606 !strcasecmp(value
, "yes") ||
1607 !strcasecmp(value
, "true"))
1609 else if (!strcasecmp(value
, "off") ||
1610 !strcasecmp(value
, "no") ||
1611 !strcasecmp(value
, "false"))
1614 _cupsLangPrintf(stderr
,
1615 _("WARNING: Boolean expected for waiteof option "
1616 "\"%s\"\n"), value
);
1618 else if (!strcasecmp(name
, "serial"))
1619 strlcpy(serial
, value
, serial_size
);
1620 else if (!strcasecmp(name
, "location") && location
)
1621 *location
= strtol(value
, NULL
, 16);
1627 * @function setup_cfLanguage
1628 * @abstract Convert the contents of the CUPS 'LANG' environment
1629 * variable into a one element CF array of languages.
1631 * @discussion Each submitted job comes with a natural language. CUPS passes
1632 * that language in an environment variable. We take that language
1633 * and jam it into the AppleLanguages array so that CF will use
1634 * it when reading localized resources. We need to do this before
1635 * any CF code reads and caches the languages array, so this function
1636 * should be called early in main()
1638 static void setup_cfLanguage(void)
1640 CFStringRef lang
[1] = {NULL
};
1641 CFArrayRef langArray
= NULL
;
1642 const char *requestedLang
= NULL
;
1644 requestedLang
= getenv("LANG");
1645 if (requestedLang
!= NULL
)
1647 lang
[0] = CFStringCreateWithCString(kCFAllocatorDefault
, requestedLang
, kCFStringEncodingUTF8
);
1648 langArray
= CFArrayCreate(kCFAllocatorDefault
, (const void **)lang
, sizeof(lang
) / sizeof(lang
[0]), &kCFTypeArrayCallBacks
);
1650 CFPreferencesSetAppValue(CFSTR("AppleLanguages"), langArray
, kCFPreferencesCurrentApplication
);
1651 DEBUG_printf((stderr
, "DEBUG: usb: AppleLanguages = \"%s\"\n", requestedLang
));
1654 CFRelease(langArray
);
1657 fputs("DEBUG: usb: LANG environment variable missing.\n", stderr
);
1661 #if defined(__i386__)
1663 * @function run_ppc_backend
1665 * @abstract Starts child backend process running as a ppc executable.
1667 * @result Never returns; always calls exit().
1671 static void run_ppc_backend(int argc
,
1678 pid_t waitpid_status
;
1680 char *usb_ppc_status
;
1683 * If we're running as i386 and couldn't load the class driver (because they'it's
1684 * ppc-only) then try to re-exec ourselves in ppc mode to try again. If we don't have
1685 * a ppc architecture we may be running i386 again so guard against this by setting
1686 * and testing an environment variable...
1688 usb_ppc_status
= getenv("USB_PPC_STATUS");
1690 if (usb_ppc_status
== NULL
)
1693 * Setup a SIGTERM handler then block it before forking...
1696 struct sigaction action
; /* POSIX signal action */
1697 sigset_t newmask
, /* New signal mask */
1698 oldmask
; /* Old signal mask */
1700 memset(&action
, 0, sizeof(action
));
1701 sigaddset(&action
.sa_mask
, SIGTERM
);
1702 action
.sa_handler
= sigterm_handler
;
1703 sigaction(SIGTERM
, &action
, NULL
);
1705 sigemptyset(&newmask
);
1706 sigaddset(&newmask
, SIGTERM
);
1707 sigprocmask(SIG_BLOCK
, &newmask
, &oldmask
);
1709 if ((child_pid
= fork()) == 0)
1712 * Child comes here...
1715 setenv("USB_PPC_STATUS", "1", false);
1718 * Unblock signals before doing the exec...
1721 memset(&action
, 0, sizeof(action
));
1722 sigemptyset(&action
.sa_mask
);
1723 action
.sa_handler
= SIG_DFL
;
1724 sigaction(SIGTERM
, &action
, NULL
);
1726 sigprocmask(SIG_SETMASK
, &oldmask
, NULL
);
1729 * Tell the kernel the next exec call should favor the ppc architecture...
1732 int mib
[] = { CTL_KERN
, KERN_AFFINITY
, 1, 1 };
1734 sysctl(mib
, namelen
, NULL
, NULL
, NULL
, 0);
1737 * Set up the arguments and call exec...
1740 for (i
= 0; i
< argc
&& i
< (sizeof(my_argv
)/sizeof(my_argv
[0])) - 1; i
++)
1741 my_argv
[i
] = argv
[i
];
1745 execv("/usr/libexec/cups/backend/usb", my_argv
);
1747 perror("/usr/libexec/cups/backend/usb");
1750 else if (child_pid
< 0)
1753 * Error - couldn't fork a new process!
1761 * Unblock signals...
1764 sigprocmask(SIG_SETMASK
, &oldmask
, NULL
);
1767 * Close the fds we won't be using then wait for the child backend to exit.
1773 fprintf(stderr
, "DEBUG: Started usb(ppc) backend (PID %d)\n", (int)child_pid
);
1775 while ((waitpid_status
= waitpid(child_pid
, &childstatus
, 0)) == (pid_t
)-1 && errno
== EINTR
)
1778 if (WIFSIGNALED(childstatus
))
1780 exitstatus
= WTERMSIG(childstatus
);
1781 fprintf(stderr
, "DEBUG: usb(ppc) backend %d crashed on signal %d!\n", child_pid
, exitstatus
);
1785 if ((exitstatus
= WEXITSTATUS(childstatus
)) != 0)
1786 fprintf(stderr
, "DEBUG: usb(ppc) backend %d stopped with status %d!\n", child_pid
, exitstatus
);
1788 fprintf(stderr
, "DEBUG: PID %d exited with no errors\n", child_pid
);
1793 fputs("DEBUG: usb child running i386 again\n", stderr
);
1794 exitstatus
= ENOENT
;
1801 * 'sigterm_handler()' - SIGTERM handler.
1804 static void sigterm_handler(int sig
)
1806 /* If we started a child process pass the signal on to it...
1809 kill(child_pid
, sig
);
1814 #endif /* __i386__ */
1817 #ifdef PARSE_PS_ERRORS
1819 * 'next_line()' - Find the next line in a buffer.
1822 static const char *next_line (const char *buffer
)
1824 const char *cptr
, *lptr
= NULL
;
1826 for (cptr
= buffer
; *cptr
&& lptr
== NULL
; cptr
++)
1827 if (*cptr
== '\n' || *cptr
== '\r')
1834 * 'parse_pserror()' - Scan the backchannel data for postscript errors.
1837 static void parse_pserror(char *sockBuffer
,
1840 static char gErrorBuffer
[1024] = "";
1841 static char *gErrorBufferPtr
= gErrorBuffer
;
1842 static char *gErrorBufferEndPtr
= gErrorBuffer
+ sizeof(gErrorBuffer
);
1844 char *pCommentBegin
, *pCommentEnd
, *pLineEnd
;
1849 if (gErrorBufferPtr
+ len
> gErrorBufferEndPtr
- 1)
1850 gErrorBufferPtr
= gErrorBuffer
;
1851 if (len
> sizeof(gErrorBuffer
) - 1)
1852 len
= sizeof(gErrorBuffer
) - 1;
1854 memcpy(gErrorBufferPtr
, (const void *)sockBuffer
, len
);
1855 gErrorBufferPtr
+= len
;
1856 *(gErrorBufferPtr
+ 1) = '\0';
1858 pLineEnd
= (char *)next_line((const char *)gErrorBuffer
);
1859 while (pLineEnd
!= NULL
)
1863 pCommentBegin
= strstr(gErrorBuffer
,"%%[");
1864 pCommentEnd
= strstr(gErrorBuffer
, "]%%");
1865 if (pCommentBegin
!= gErrorBuffer
&& pCommentEnd
!= NULL
)
1867 pCommentEnd
+= 3; /* Skip past "]%%" */
1868 *pCommentEnd
= '\0'; /* There's always room for the nul */
1870 if (strncasecmp(pCommentBegin
, "%%[ Error:", 10) == 0)
1872 else if (strncasecmp(pCommentBegin
, "%%[ Flushing", 12) == 0)
1877 if ((logstrlen
= snprintf(logstr
, sizeof(logstr
), "%s: %s\n", logLevel
, pCommentBegin
)) >= sizeof(logstr
))
1879 /* If the string was trucnated make sure it has a linefeed before the nul */
1880 logstrlen
= sizeof(logstr
) - 1;
1881 logstr
[logstrlen
- 1] = '\n';
1883 write(STDERR_FILENO
, logstr
, logstrlen
);
1886 /* move everything over... */
1887 strcpy(gErrorBuffer
, pLineEnd
);
1888 gErrorBufferPtr
= gErrorBuffer
;
1889 pLineEnd
= (char *)next_line((const char *)gErrorBuffer
);
1892 #endif /* PARSE_PS_ERRORS */
1899 static void soft_reset()
1901 fd_set input_set
; /* Input set for select() */
1902 struct timeval stimeout
; /* Timeout for select() */
1903 char buffer
[2048]; /* Buffer */
1904 struct timespec cond_timeout
; /* pthread condition timeout */
1907 * Send an abort once a second until the I/O lock is released by the main thread...
1910 pthread_mutex_lock(&g
.readwrite_lock_mutex
);
1911 while (g
.readwrite_lock
)
1913 (*g
.classdriver
)->Abort(g
.classdriver
);
1915 cond_timeout
.tv_sec
= time(NULL
) + 1;
1916 cond_timeout
.tv_nsec
= 0;
1918 pthread_cond_timedwait(&g
.readwrite_lock_cond
, &g
.readwrite_lock_mutex
, &cond_timeout
);
1921 g
.readwrite_lock
= 1;
1922 pthread_mutex_unlock(&g
.readwrite_lock_mutex
);
1925 * Flush bytes waiting on print_fd...
1930 FD_ZERO(&input_set
);
1931 FD_SET(g
.print_fd
, &input_set
);
1933 stimeout
.tv_sec
= 0;
1934 stimeout
.tv_usec
= 0;
1936 while (select(g
.print_fd
+1, &input_set
, NULL
, NULL
, &stimeout
) > 0)
1937 if (read(g
.print_fd
, buffer
, sizeof(buffer
)) <= 0)
1944 (*g
.classdriver
)->SoftReset(g
.classdriver
, 0);
1947 * Release the I/O lock...
1950 pthread_mutex_lock(&g
.readwrite_lock_mutex
);
1951 g
.readwrite_lock
= 0;
1952 pthread_cond_signal(&g
.readwrite_lock_cond
);
1953 pthread_mutex_unlock(&g
.readwrite_lock_mutex
);
1958 * 'get_device_id()' - Return IEEE-1284 device ID.
1961 static void get_device_id(cups_sc_status_t
*status
,
1965 UInt32 deviceLocation
= 0;
1966 UInt8 interfaceNum
= 0;
1967 CFStringRef deviceIDString
= NULL
;
1970 copy_devicestring(g
.printer_obj
, &deviceIDString
, &deviceLocation
, &interfaceNum
);
1973 CFStringGetCString(deviceIDString
, data
, *datalen
, kCFStringEncodingUTF8
);
1974 *datalen
= strlen(data
);
1975 CFRelease(deviceIDString
);
1977 *status
= CUPS_SC_STATUS_OK
;