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ef416fc2 | 1 | /* |
b19ccc9e | 2 | * "$Id: usb-darwin.c 7953 2008-09-17 01:43:19Z mike $" |
09a101d6 | 3 | * |
71e16022 | 4 | * Copyright 2005-2010 Apple Inc. All rights reserved. |
09a101d6 | 5 | * |
6 | * IMPORTANT: This Apple software is supplied to you by Apple Computer, | |
7 | * Inc. ("Apple") in consideration of your agreement to the following | |
8 | * terms, and your use, installation, modification or redistribution of | |
9 | * this Apple software constitutes acceptance of these terms. If you do | |
10 | * not agree with these terms, please do not use, install, modify or | |
11 | * redistribute this Apple software. | |
12 | * | |
13 | * In consideration of your agreement to abide by the following terms, and | |
14 | * subject to these terms, Apple grants you a personal, non-exclusive | |
15 | * license, under Apple's copyrights in this original Apple software (the | |
16 | * "Apple Software"), to use, reproduce, modify and redistribute the Apple | |
17 | * Software, with or without modifications, in source and/or binary forms; | |
18 | * provided that if you redistribute the Apple Software in its entirety and | |
19 | * without modifications, you must retain this notice and the following | |
20 | * text and disclaimers in all such redistributions of the Apple Software. | |
21 | * Neither the name, trademarks, service marks or logos of Apple Computer, | |
22 | * Inc. may be used to endorse or promote products derived from the Apple | |
23 | * Software without specific prior written permission from Apple. Except | |
24 | * as expressly stated in this notice, no other rights or licenses, express | |
25 | * or implied, are granted by Apple herein, including but not limited to | |
26 | * any patent rights that may be infringed by your derivative works or by | |
27 | * other works in which the Apple Software may be incorporated. | |
28 | * | |
29 | * The Apple Software is provided by Apple on an "AS IS" basis. APPLE | |
30 | * MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION | |
31 | * THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS | |
32 | * FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND | |
33 | * OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. | |
34 | * | |
35 | * IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL | |
36 | * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
37 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
38 | * INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, | |
39 | * MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED | |
40 | * AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), | |
41 | * STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE | |
42 | * POSSIBILITY OF SUCH DAMAGE. | |
43 | * | |
44 | * Contents: | |
45 | * | |
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. | |
749b1e90 | 68 | * run_legacy_backend() - Re-exec backend as ppc or i386. |
09a101d6 | 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. | |
73 | */ | |
ef416fc2 | 74 | |
75 | /* | |
09a101d6 | 76 | * Include necessary headers. |
ef416fc2 | 77 | */ |
09a101d6 | 78 | |
ef416fc2 | 79 | #include <stdio.h> |
80 | #include <stdlib.h> | |
81 | #include <errno.h> | |
82 | #include <signal.h> | |
83 | #include <fcntl.h> | |
84 | #include <termios.h> | |
85 | #include <unistd.h> | |
ac884b6a | 86 | #include <sys/stat.h> |
e53920b9 | 87 | #include <sys/sysctl.h> |
88 | #include <libgen.h> | |
09a101d6 | 89 | #include <mach/mach.h> |
e53920b9 | 90 | #include <mach/mach_error.h> |
91 | #include <mach/mach_time.h> | |
71e16022 | 92 | #include <cups/debug-private.h> |
f7deaa1a | 93 | #include <cups/sidechannel.h> |
71e16022 | 94 | #include <cups/language-private.h> |
db0bd74a | 95 | #include "backend-private.h" |
ef416fc2 | 96 | |
e53920b9 | 97 | #include <CoreFoundation/CoreFoundation.h> |
98 | #include <IOKit/usb/IOUSBLib.h> | |
99 | #include <IOKit/IOCFPlugIn.h> | |
ef416fc2 | 100 | |
749b1e90 | 101 | #include <spawn.h> |
e53920b9 | 102 | #include <pthread.h> |
ef416fc2 | 103 | |
749b1e90 MS |
104 | extern char **environ; |
105 | ||
f7deaa1a | 106 | |
acb056cb MS |
107 | /* |
108 | * DEBUG_WRITES, if defined, causes the backend to write data to the printer in | |
109 | * 512 byte increments, up to 8192 bytes, to make debugging with a USB bus | |
110 | * analyzer easier. | |
111 | */ | |
112 | ||
113 | #define DEBUG_WRITES 0 | |
114 | ||
7dfedb92 | 115 | #define DEFAULT_TIMEOUT 5000L |
ef416fc2 | 116 | |
e53920b9 | 117 | #define USB_INTERFACE_KIND CFUUIDGetUUIDBytes(kIOUSBInterfaceInterfaceID190) |
118 | #define kUSBLanguageEnglish 0x409 | |
ef416fc2 | 119 | |
09a101d6 | 120 | #define PRINTER_POLLING_INTERVAL 5 /* seconds */ |
121 | #define INITIAL_LOG_INTERVAL PRINTER_POLLING_INTERVAL | |
122 | #define SUBSEQUENT_LOG_INTERVAL 3 * INITIAL_LOG_INTERVAL | |
ef416fc2 | 123 | |
09a101d6 | 124 | #define kUSBPrinterClassTypeID CFUUIDGetConstantUUIDWithBytes(NULL, 0x06, 0x04, 0x7D, 0x16, 0x53, 0xA2, 0x11, 0xD6, 0x92, 0x06, 0x00, 0x30, 0x65, 0x52, 0x45, 0x92) |
125 | #define kUSBPrinterClassInterfaceID CFUUIDGetConstantUUIDWithBytes(NULL, 0x03, 0x34, 0x6D, 0x74, 0x53, 0xA3, 0x11, 0xD6, 0x9E, 0xA1, 0x76, 0x30, 0x65, 0x52, 0x45, 0x92) | |
ef416fc2 | 126 | |
127 | #define kUSBClassDriverProperty CFSTR("USB Printing Class") | |
ef416fc2 | 128 | |
e53920b9 | 129 | #define kUSBGenericTOPrinterClassDriver CFSTR("/System/Library/Printers/Libraries/USBGenericTOPrintingClass.plugin") |
130 | #define kUSBPrinterClassDeviceNotOpen -9664 /*kPMInvalidIOMContext*/ | |
ef416fc2 | 131 | |
ef416fc2 | 132 | |
e53920b9 | 133 | /* |
134 | * Section 5.3 USB Printing Class spec | |
135 | */ | |
136 | #define kUSBPrintingSubclass 1 | |
137 | #define kUSBPrintingProtocolNoOpen 0 | |
138 | #define kUSBPrintingProtocolUnidirectional 1 | |
139 | #define kUSBPrintingProtocolBidirectional 2 | |
140 | ||
141 | typedef IOUSBInterfaceInterface190 **printer_interface_t; | |
ef416fc2 | 142 | |
09a101d6 | 143 | typedef struct iodevice_request_s /**** Device request ****/ |
ef416fc2 | 144 | { |
09a101d6 | 145 | UInt8 requestType; |
e53920b9 | 146 | UInt8 request; |
147 | UInt16 value; | |
148 | UInt16 index; | |
149 | UInt16 length; | |
09a101d6 | 150 | void *buffer; |
e53920b9 | 151 | } iodevice_request_t; |
152 | ||
09a101d6 | 153 | typedef union /**** Centronics status byte ****/ |
154 | { | |
e53920b9 | 155 | char b; |
09a101d6 | 156 | struct |
157 | { | |
e53920b9 | 158 | unsigned reserved0:2; |
159 | unsigned paperError:1; | |
160 | unsigned select:1; | |
161 | unsigned notError:1; | |
162 | unsigned reserved1:3; | |
163 | } status; | |
164 | } centronics_status_t; | |
165 | ||
09a101d6 | 166 | typedef struct classdriver_s /**** g.classdriver context ****/ |
ef416fc2 | 167 | { |
168 | IUNKNOWN_C_GUTS; | |
e53920b9 | 169 | CFPlugInRef plugin; /* release plugin */ |
170 | IUnknownVTbl **factory; /* Factory */ | |
171 | void *vendorReference; /* vendor class specific usage */ | |
172 | UInt32 location; /* unique location in bus topology */ | |
173 | UInt8 interfaceNumber; /* Interface number */ | |
174 | UInt16 vendorID; /* Vendor id */ | |
175 | UInt16 productID; /* Product id */ | |
176 | printer_interface_t interface; /* identify the device to IOKit */ | |
177 | UInt8 outpipe; /* mandatory bulkOut pipe */ | |
178 | UInt8 inpipe; /* optional bulkIn pipe */ | |
ef416fc2 | 179 | |
e53920b9 | 180 | /* general class requests */ |
09a101d6 | 181 | kern_return_t (*DeviceRequest)(struct classdriver_s **printer, iodevice_request_t *iorequest, UInt16 timeout); |
182 | kern_return_t (*GetString)(struct classdriver_s **printer, UInt8 whichString, UInt16 language, UInt16 timeout, CFStringRef *result); | |
ef416fc2 | 183 | |
e53920b9 | 184 | /* standard printer class requests */ |
09a101d6 | 185 | kern_return_t (*SoftReset)(struct classdriver_s **printer, UInt16 timeout); |
186 | kern_return_t (*GetCentronicsStatus)(struct classdriver_s **printer, centronics_status_t *result, UInt16 timeout); | |
187 | kern_return_t (*GetDeviceID)(struct classdriver_s **printer, CFStringRef *devid, UInt16 timeout); | |
ef416fc2 | 188 | |
e53920b9 | 189 | /* standard bulk device requests */ |
09a101d6 | 190 | kern_return_t (*ReadPipe)(struct classdriver_s **printer, UInt8 *buffer, UInt32 *count); |
191 | kern_return_t (*WritePipe)(struct classdriver_s **printer, UInt8 *buffer, UInt32 *count, Boolean eoj); | |
ef416fc2 | 192 | |
e53920b9 | 193 | /* interface requests */ |
09a101d6 | 194 | kern_return_t (*Open)(struct classdriver_s **printer, UInt32 location, UInt8 protocol); |
195 | kern_return_t (*Abort)(struct classdriver_s **printer); | |
196 | kern_return_t (*Close)(struct classdriver_s **printer); | |
ef416fc2 | 197 | |
e53920b9 | 198 | /* initialize and terminate */ |
09a101d6 | 199 | kern_return_t (*Initialize)(struct classdriver_s **printer, struct classdriver_s **baseclass); |
200 | kern_return_t (*Terminate)(struct classdriver_s **printer); | |
ef416fc2 | 201 | |
09a101d6 | 202 | } classdriver_t; |
ef416fc2 | 203 | |
e53920b9 | 204 | typedef Boolean (*iterator_callback_t)(void *refcon, io_service_t obj); |
ef416fc2 | 205 | |
09a101d6 | 206 | typedef struct iterator_reference_s /**** Iterator reference data */ |
207 | { | |
e53920b9 | 208 | iterator_callback_t callback; |
209 | void *userdata; | |
210 | Boolean keepRunning; | |
211 | } iterator_reference_t; | |
ef416fc2 | 212 | |
09a101d6 | 213 | typedef struct globals_s |
214 | { | |
215 | io_service_t printer_obj; | |
216 | classdriver_t **classdriver; | |
217 | ||
218 | pthread_mutex_t read_thread_mutex; | |
219 | pthread_cond_t read_thread_cond; | |
220 | int read_thread_stop; | |
221 | int read_thread_done; | |
ef416fc2 | 222 | |
09a101d6 | 223 | pthread_mutex_t readwrite_lock_mutex; |
224 | pthread_cond_t readwrite_lock_cond; | |
225 | int readwrite_lock; | |
ef416fc2 | 226 | |
e53920b9 | 227 | CFStringRef make; |
228 | CFStringRef model; | |
229 | CFStringRef serial; | |
e53920b9 | 230 | UInt32 location; |
bc44d920 | 231 | UInt8 interfaceNum; |
09a101d6 | 232 | |
233 | CFRunLoopTimerRef status_timer; | |
234 | ||
235 | int print_fd; /* File descriptor to print */ | |
236 | ssize_t print_bytes; /* Print bytes read */ | |
acb056cb MS |
237 | #if DEBUG_WRITES |
238 | ssize_t debug_bytes; /* Current bytes to read */ | |
239 | #endif /* DEBUG_WRITES */ | |
09a101d6 | 240 | |
241 | Boolean wait_eof; | |
242 | int drain_output; /* Drain all pending output */ | |
243 | int bidi_flag; /* 0=unidirectional, 1=bidirectional */ | |
244 | } globals_t; | |
245 | ||
246 | ||
247 | /* | |
248 | * Globals... | |
249 | */ | |
250 | ||
251 | globals_t g = { 0 }; /* Globals */ | |
ef416fc2 | 252 | |
ef416fc2 | 253 | |
e53920b9 | 254 | /* |
255 | * Local functions... | |
256 | */ | |
ef416fc2 | 257 | |
09a101d6 | 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); | |
e53920b9 | 270 | static void copy_deviceinfo(CFStringRef deviceIDString, CFStringRef *make, CFStringRef *model, CFStringRef *serial); |
bc44d920 | 271 | static void copy_devicestring(io_service_t usbInterface, CFStringRef *deviceID, UInt32 *deviceLocation, UInt8 *interfaceNum); |
09a101d6 | 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); | |
db1f069b | 275 | static void parse_options(char *options, char *serial, int serial_size, UInt32 *location, Boolean *wait_eof); |
09a101d6 | 276 | static void release_deviceinfo(CFStringRef *make, CFStringRef *model, CFStringRef *serial); |
e53920b9 | 277 | static void setup_cfLanguage(void); |
09a101d6 | 278 | static void soft_reset(); |
279 | static void status_timer_cb(CFRunLoopTimerRef timer, void *info); | |
e53920b9 | 280 | |
749b1e90 | 281 | #if defined(__i386__) || defined(__x86_64__) |
f11a948a | 282 | static pid_t child_pid; /* Child PID */ |
749b1e90 | 283 | static void run_legacy_backend(int argc, char *argv[], int fd); /* Starts child backend process running as a ppc executable */ |
f11a948a | 284 | static void sigterm_handler(int sig); /* SIGTERM handler */ |
18ecb428 | 285 | #endif /* __i386__ || __x86_64__ */ |
ef416fc2 | 286 | |
e53920b9 | 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 */ | |
ef416fc2 | 291 | |
e53920b9 | 292 | #pragma mark - |
ef416fc2 | 293 | |
e53920b9 | 294 | /* |
295 | * 'list_devices()' - List all USB devices. | |
296 | */ | |
ef416fc2 | 297 | |
e53920b9 | 298 | void list_devices() |
ef416fc2 | 299 | { |
09a101d6 | 300 | iterate_printers(list_device_cb, NULL); |
ef416fc2 | 301 | } |
302 | ||
ef416fc2 | 303 | |
e53920b9 | 304 | /* |
305 | * 'print_device()' - Print a file to a USB device. | |
306 | */ | |
ef416fc2 | 307 | |
e53920b9 | 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 */ | |
db1f069b | 312 | char *options, /* I - Device options/serial number */ |
09a101d6 | 313 | int print_fd, /* I - File descriptor to print */ |
e53920b9 | 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 */ | |
ef416fc2 | 317 | { |
09a101d6 | 318 | char serial[1024]; /* Serial number buffer */ |
319 | OSStatus status; /* Function results */ | |
acb056cb | 320 | IOReturn iostatus; /* Current IO status */ |
09a101d6 | 321 | pthread_t read_thread_id, /* Read thread */ |
db1f069b | 322 | sidechannel_thread_id;/* Side-channel thread */ |
ac884b6a MS |
323 | int have_sidechannel = 0; /* Was the side-channel thread started? */ |
324 | struct stat sidechannel_info; /* Side-channel file descriptor info */ | |
09a101d6 | 325 | char print_buffer[8192], /* Print data buffer */ |
326 | *print_ptr; /* Pointer into print data buffer */ | |
327 | UInt32 location; /* Unique location in bus topology */ | |
328 | fd_set input_set; /* Input set for select() */ | |
329 | CFStringRef driverBundlePath; /* Class driver path */ | |
330 | int countdown, /* Logging interval */ | |
331 | nfds; /* Number of file descriptors */ | |
332 | ssize_t total_bytes; /* Total bytes written */ | |
333 | UInt32 bytes; /* Bytes written */ | |
334 | struct timeval *timeout, /* Timeout pointer */ | |
335 | stimeout; /* Timeout for select() */ | |
e53920b9 | 336 | |
db1f069b | 337 | |
ac884b6a MS |
338 | /* |
339 | * See if the side-channel descriptor is valid... | |
340 | */ | |
341 | ||
342 | have_sidechannel = !fstat(CUPS_SC_FD, &sidechannel_info) && | |
343 | S_ISSOCK(sidechannel_info.st_mode); | |
344 | ||
345 | /* | |
346 | * Localize using CoreFoundation... | |
347 | */ | |
348 | ||
e53920b9 | 349 | setup_cfLanguage(); |
09a101d6 | 350 | |
76cd9e37 | 351 | parse_options(options, serial, sizeof(serial), &location, &g.wait_eof); |
e53920b9 | 352 | |
353 | if (resource[0] == '/') | |
354 | resource++; | |
355 | ||
09a101d6 | 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; | |
e53920b9 | 361 | |
7dfedb92 MS |
362 | if (!g.make || !g.model) |
363 | { | |
c7017ecc MS |
364 | fprintf(stderr, "DEBUG: Fatal USB error.\n"); |
365 | _cupsLangPuts(stderr, _("ERROR: There was an unrecoverable USB error.\n")); | |
005dd1eb MS |
366 | |
367 | if (!g.make) | |
4d301e69 | 368 | fputs("DEBUG: USB make string is NULL\n", stderr); |
005dd1eb | 369 | if (!g.model) |
4d301e69 | 370 | fputs("DEBUG: USB model string is NULL\n", stderr); |
005dd1eb MS |
371 | |
372 | return (CUPS_BACKEND_STOP); | |
7dfedb92 MS |
373 | } |
374 | ||
e53920b9 | 375 | fputs("STATE: +connecting-to-device\n", stderr); |
376 | ||
09a101d6 | 377 | countdown = INITIAL_LOG_INTERVAL; |
378 | ||
379 | do | |
380 | { | |
381 | if (g.printer_obj) | |
382 | { | |
383 | IOObjectRelease(g.printer_obj); | |
384 | unload_classdriver(&g.classdriver); | |
385 | g.printer_obj = 0x0; | |
386 | g.classdriver = 0x0; | |
ef416fc2 | 387 | } |
ef416fc2 | 388 | |
c0e1af83 | 389 | fprintf(stderr, "DEBUG: Looking for '%s %s'\n", hostname, resource); |
09a101d6 | 390 | |
391 | iterate_printers(find_device_cb, NULL); | |
e53920b9 | 392 | |
c0e1af83 | 393 | fputs("DEBUG: Opening connection\n", stderr); |
411affcf | 394 | |
395 | driverBundlePath = NULL; | |
09a101d6 | 396 | |
397 | status = registry_open(&driverBundlePath); | |
398 | ||
749b1e90 | 399 | #if defined(__i386__) || defined(__x86_64__) |
e53920b9 | 400 | /* |
749b1e90 MS |
401 | * If we were unable to load the class drivers for this printer it's |
402 | * probably because they're ppc or i386. In this case try to run this | |
403 | * backend as i386 or ppc executables so we can use them... | |
e53920b9 | 404 | */ |
09a101d6 | 405 | if (status == -2) |
406 | { | |
749b1e90 | 407 | run_legacy_backend(argc, argv, print_fd); |
e53920b9 | 408 | /* Never returns here */ |
ef416fc2 | 409 | } |
749b1e90 | 410 | #endif /* __i386__ || __x86_64__ */ |
09a101d6 | 411 | |
412 | if (status == -2) | |
413 | { | |
411affcf | 414 | /* |
415 | * If we still were unable to load the class drivers for this printer log | |
416 | * the error and stop the queue... | |
417 | */ | |
418 | ||
09a101d6 | 419 | if (driverBundlePath == NULL || !CFStringGetCString(driverBundlePath, print_buffer, sizeof(print_buffer), kCFStringEncodingUTF8)) |
420 | strlcpy(print_buffer, "USB class driver", sizeof(print_buffer)); | |
411affcf | 421 | |
c0e1af83 | 422 | fputs("STATE: +apple-missing-usbclassdriver-error\n", stderr); |
c7017ecc | 423 | _cupsLangPuts(stderr, _("ERROR: There was an unrecoverable USB error.\n")); |
005dd1eb | 424 | fprintf(stderr, "DEBUG: Could not load %s\n", print_buffer); |
411affcf | 425 | |
426 | if (driverBundlePath) | |
427 | CFRelease(driverBundlePath); | |
428 | ||
005dd1eb | 429 | return (CUPS_BACKEND_STOP); |
411affcf | 430 | } |
431 | ||
432 | if (driverBundlePath) | |
433 | CFRelease(driverBundlePath); | |
e53920b9 | 434 | |
09a101d6 | 435 | if (status != noErr) |
436 | { | |
437 | sleep(PRINTER_POLLING_INTERVAL); | |
e53920b9 | 438 | countdown -= PRINTER_POLLING_INTERVAL; |
09a101d6 | 439 | if (countdown <= 0) |
440 | { | |
005dd1eb MS |
441 | _cupsLangPuts(stderr, |
442 | _("INFO: Waiting for printer to become available...\n")); | |
443 | fprintf(stderr, "DEBUG: USB printer status: 0x%08x\n", (int)status); | |
e53920b9 | 444 | countdown = SUBSEQUENT_LOG_INTERVAL; /* subsequent log entries, every 15 seconds */ |
445 | } | |
446 | } | |
447 | } while (status != noErr); | |
ef416fc2 | 448 | |
e53920b9 | 449 | fputs("STATE: -connecting-to-device\n", stderr); |
ef416fc2 | 450 | |
e53920b9 | 451 | /* |
18ecb428 | 452 | * Now that we are "connected" to the port, ignore SIGTERM so that we |
e53920b9 | 453 | * can finish out any page data the driver sends (e.g. to eject the |
18ecb428 | 454 | * current page... Only ignore SIGTERM if we are printing data from |
e53920b9 | 455 | * stdin (otherwise you can't cancel raw jobs...) |
456 | */ | |
ef416fc2 | 457 | |
09a101d6 | 458 | if (!print_fd) |
459 | { | |
bc44d920 | 460 | struct sigaction action; /* POSIX signal action */ |
461 | ||
462 | ||
e53920b9 | 463 | memset(&action, 0, sizeof(action)); |
ef416fc2 | 464 | |
e53920b9 | 465 | sigemptyset(&action.sa_mask); |
18ecb428 | 466 | action.sa_handler = SIG_IGN; |
e53920b9 | 467 | sigaction(SIGTERM, &action, NULL); |
e53920b9 | 468 | } |
ef416fc2 | 469 | |
09a101d6 | 470 | /* |
ac884b6a | 471 | * Start the side channel thread if the descriptor is valid... |
09a101d6 | 472 | */ |
ef416fc2 | 473 | |
09a101d6 | 474 | pthread_mutex_init(&g.readwrite_lock_mutex, NULL); |
475 | pthread_cond_init(&g.readwrite_lock_cond, NULL); | |
476 | g.readwrite_lock = 1; | |
f7deaa1a | 477 | |
ac884b6a | 478 | if (have_sidechannel) |
09a101d6 | 479 | { |
480 | if (pthread_create(&sidechannel_thread_id, NULL, sidechannel_thread, NULL)) | |
481 | { | |
c7017ecc MS |
482 | fprintf(stderr, "DEBUG: Fatal USB error.\n"); |
483 | _cupsLangPuts(stderr, _("ERROR: There was an unrecoverable USB error.\n")); | |
4d301e69 | 484 | fputs("DEBUG: Couldn't create side-channel thread\n", stderr); |
ef55b745 | 485 | registry_close(); |
005dd1eb | 486 | return (CUPS_BACKEND_STOP); |
09a101d6 | 487 | } |
488 | } | |
f7deaa1a | 489 | |
09a101d6 | 490 | /* |
491 | * Get the read thread going... | |
492 | */ | |
f7deaa1a | 493 | |
09a101d6 | 494 | g.read_thread_stop = 0; |
495 | g.read_thread_done = 0; | |
f7deaa1a | 496 | |
09a101d6 | 497 | pthread_cond_init(&g.read_thread_cond, NULL); |
498 | pthread_mutex_init(&g.read_thread_mutex, NULL); | |
f7deaa1a | 499 | |
09a101d6 | 500 | if (pthread_create(&read_thread_id, NULL, read_thread, NULL)) |
501 | { | |
c7017ecc MS |
502 | fprintf(stderr, "DEBUG: Fatal USB error.\n"); |
503 | _cupsLangPuts(stderr, _("ERROR: There was an unrecoverable USB error.\n")); | |
4d301e69 | 504 | fputs("DEBUG: Couldn't create read thread\n", stderr); |
ef55b745 | 505 | registry_close(); |
005dd1eb | 506 | return (CUPS_BACKEND_STOP); |
e53920b9 | 507 | } |
ef416fc2 | 508 | |
09a101d6 | 509 | /* |
510 | * The main thread sends the print file... | |
511 | */ | |
f7deaa1a | 512 | |
09a101d6 | 513 | g.drain_output = 0; |
514 | g.print_bytes = 0; | |
515 | total_bytes = 0; | |
516 | print_ptr = print_buffer; | |
ef416fc2 | 517 | |
09a101d6 | 518 | while (status == noErr && copies-- > 0) |
519 | { | |
005dd1eb | 520 | _cupsLangPuts(stderr, _("INFO: Sending print data...\n")); |
757d2cad | 521 | |
09a101d6 | 522 | if (print_fd != STDIN_FILENO) |
523 | { | |
749b1e90 | 524 | fputs("PAGE: 1 1\n", stderr); |
09a101d6 | 525 | lseek(print_fd, 0, SEEK_SET); |
ef416fc2 | 526 | } |
527 | ||
09a101d6 | 528 | while (status == noErr) |
529 | { | |
530 | FD_ZERO(&input_set); | |
e53920b9 | 531 | |
09a101d6 | 532 | if (!g.print_bytes) |
533 | FD_SET(print_fd, &input_set); | |
f7deaa1a | 534 | |
09a101d6 | 535 | /* |
536 | * Calculate select timeout... | |
537 | * If we have data waiting to send timeout is 100ms. | |
538 | * else if we're draining print_fd timeout is 0. | |
539 | * else we're waiting forever... | |
540 | */ | |
541 | ||
542 | if (g.print_bytes) | |
543 | { | |
544 | stimeout.tv_sec = 0; | |
545 | stimeout.tv_usec = 100000; /* 100ms */ | |
546 | timeout = &stimeout; | |
547 | } | |
548 | else if (g.drain_output) | |
549 | { | |
550 | stimeout.tv_sec = 0; | |
551 | stimeout.tv_usec = 0; | |
552 | timeout = &stimeout; | |
553 | } | |
554 | else | |
555 | timeout = NULL; | |
556 | ||
557 | /* | |
558 | * I/O is unlocked around select... | |
559 | */ | |
560 | ||
561 | pthread_mutex_lock(&g.readwrite_lock_mutex); | |
562 | g.readwrite_lock = 0; | |
563 | pthread_cond_signal(&g.readwrite_lock_cond); | |
564 | pthread_mutex_unlock(&g.readwrite_lock_mutex); | |
565 | ||
566 | nfds = select(print_fd + 1, &input_set, NULL, NULL, timeout); | |
567 | ||
568 | /* | |
569 | * Reacquire the lock... | |
570 | */ | |
571 | ||
572 | pthread_mutex_lock(&g.readwrite_lock_mutex); | |
573 | while (g.readwrite_lock) | |
574 | pthread_cond_wait(&g.readwrite_lock_cond, &g.readwrite_lock_mutex); | |
575 | g.readwrite_lock = 1; | |
576 | pthread_mutex_unlock(&g.readwrite_lock_mutex); | |
577 | ||
578 | if (nfds < 0) | |
579 | { | |
580 | if (errno == EINTR && total_bytes == 0) | |
581 | { | |
582 | fputs("DEBUG: Received an interrupt before any bytes were " | |
4d301e69 | 583 | "written, aborting\n", stderr); |
ef55b745 | 584 | registry_close(); |
f11a948a | 585 | return (CUPS_BACKEND_OK); |
09a101d6 | 586 | } |
536bc2c6 | 587 | else if (errno != EAGAIN && errno != EINTR) |
09a101d6 | 588 | { |
c7017ecc | 589 | _cupsLangPuts(stderr, _("ERROR: Unable to read print data.\n")); |
005dd1eb | 590 | perror("DEBUG: select"); |
ef55b745 MS |
591 | registry_close(); |
592 | return (CUPS_BACKEND_FAILED); | |
09a101d6 | 593 | } |
594 | } | |
595 | ||
596 | /* | |
597 | * If drain output has finished send a response... | |
598 | */ | |
599 | ||
600 | if (g.drain_output && !nfds && !g.print_bytes) | |
601 | { | |
602 | /* Send a response... */ | |
603 | cupsSideChannelWrite(CUPS_SC_CMD_DRAIN_OUTPUT, CUPS_SC_STATUS_OK, NULL, 0, 1.0); | |
604 | g.drain_output = 0; | |
605 | } | |
606 | ||
607 | /* | |
608 | * Check if we have print data ready... | |
609 | */ | |
610 | ||
611 | if (FD_ISSET(print_fd, &input_set)) | |
612 | { | |
acb056cb MS |
613 | #if DEBUG_WRITES |
614 | g.debug_bytes += 512; | |
615 | if (g.debug_bytes > sizeof(print_buffer)) | |
616 | g.debug_bytes = 512; | |
617 | ||
618 | g.print_bytes = read(print_fd, print_buffer, g.debug_bytes); | |
619 | ||
620 | #else | |
09a101d6 | 621 | g.print_bytes = read(print_fd, print_buffer, sizeof(print_buffer)); |
acb056cb | 622 | #endif /* DEBUG_WRITES */ |
09a101d6 | 623 | |
624 | if (g.print_bytes < 0) | |
625 | { | |
626 | /* | |
627 | * Read error - bail if we don't see EAGAIN or EINTR... | |
628 | */ | |
629 | ||
536bc2c6 | 630 | if (errno != EAGAIN && errno != EINTR) |
09a101d6 | 631 | { |
c7017ecc | 632 | _cupsLangPuts(stderr, _("ERROR: Unable to read print data.\n")); |
005dd1eb | 633 | perror("DEBUG: read"); |
ef55b745 | 634 | registry_close(); |
f11a948a | 635 | return (CUPS_BACKEND_FAILED); |
09a101d6 | 636 | } |
637 | ||
638 | g.print_bytes = 0; | |
f7deaa1a | 639 | } |
09a101d6 | 640 | else if (g.print_bytes == 0) |
641 | { | |
642 | /* | |
643 | * End of file, break out of the loop... | |
644 | */ | |
f7deaa1a | 645 | |
e53920b9 | 646 | break; |
ef416fc2 | 647 | } |
648 | ||
09a101d6 | 649 | print_ptr = print_buffer; |
650 | ||
651 | fprintf(stderr, "DEBUG: Read %d bytes of print data...\n", | |
652 | (int)g.print_bytes); | |
e53920b9 | 653 | } |
ef416fc2 | 654 | |
09a101d6 | 655 | if (g.print_bytes) |
656 | { | |
acb056cb | 657 | bytes = g.print_bytes; |
178cb736 | 658 | iostatus = (*g.classdriver)->WritePipe(g.classdriver, (UInt8*)print_ptr, &bytes, 0); |
f7deaa1a | 659 | |
09a101d6 | 660 | /* |
58dc1933 MS |
661 | * Ignore timeout errors, but retain the number of bytes written to |
662 | * avoid sending duplicate data (<rdar://problem/6254911>)... | |
09a101d6 | 663 | */ |
e53920b9 | 664 | |
178cb736 | 665 | if (iostatus == kIOUSBTransactionTimeout) |
b0f6947b | 666 | { |
4d301e69 | 667 | fputs("DEBUG: Got USB transaction timeout during write\n", stderr); |
178cb736 | 668 | iostatus = 0; |
b0f6947b | 669 | } |
ef416fc2 | 670 | |
178cb736 | 671 | /* |
acb056cb | 672 | * If we've stalled, retry the write... |
178cb736 MS |
673 | */ |
674 | ||
b0f6947b MS |
675 | else if (iostatus == kIOUSBPipeStalled) |
676 | { | |
4d301e69 | 677 | fputs("DEBUG: Got USB pipe stalled during write\n", stderr); |
b0f6947b | 678 | |
acb056cb MS |
679 | bytes = g.print_bytes; |
680 | iostatus = (*g.classdriver)->WritePipe(g.classdriver, (UInt8*)print_ptr, &bytes, 0); | |
b0f6947b | 681 | } |
178cb736 MS |
682 | |
683 | /* | |
acb056cb MS |
684 | * Retry a write after an aborted write since we probably just got |
685 | * SIGTERM (<rdar://problem/6860126>)... | |
178cb736 MS |
686 | */ |
687 | ||
b0f6947b | 688 | else if (iostatus == kIOReturnAborted) |
178cb736 | 689 | { |
3fb9c47e | 690 | fputs("DEBUG: Got USB return aborted during write\n", stderr); |
b0f6947b MS |
691 | |
692 | IOReturn err = (*g.classdriver)->Abort(g.classdriver); | |
693 | fprintf(stderr, "DEBUG: USB class driver Abort returned %x\n", err); | |
694 | ||
acb056cb MS |
695 | #if DEBUG_WRITES |
696 | sleep(5); | |
697 | #endif /* DEBUG_WRITES */ | |
b0f6947b | 698 | |
acb056cb MS |
699 | bytes = g.print_bytes; |
700 | iostatus = (*g.classdriver)->WritePipe(g.classdriver, (UInt8*)print_ptr, &bytes, 0); | |
b0f6947b | 701 | } |
178cb736 MS |
702 | |
703 | if (iostatus || bytes < 0) | |
09a101d6 | 704 | { |
705 | /* | |
706 | * Write error - bail if we don't see an error we can retry... | |
707 | */ | |
c7017ecc | 708 | _cupsLangPuts(stderr, _("ERROR: Unable to send print data to printer.\n")); |
178cb736 MS |
709 | fprintf(stderr, "DEBUG: USB class driver WritePipe returned %x\n", |
710 | iostatus); | |
b0f6947b MS |
711 | |
712 | IOReturn err = (*g.classdriver)->Abort(g.classdriver); | |
178cb736 MS |
713 | fprintf(stderr, "DEBUG: USB class driver Abort returned %x\n", |
714 | err); | |
b0f6947b | 715 | |
18ecb428 | 716 | status = CUPS_BACKEND_FAILED; |
bc44d920 | 717 | break; |
09a101d6 | 718 | } |
b0f6947b MS |
719 | else if (bytes > 0) |
720 | { | |
721 | fprintf(stderr, "DEBUG: Wrote %d bytes of print data...\n", (int)bytes); | |
09a101d6 | 722 | |
b0f6947b MS |
723 | g.print_bytes -= bytes; |
724 | print_ptr += bytes; | |
725 | total_bytes += bytes; | |
726 | } | |
f7deaa1a | 727 | } |
09a101d6 | 728 | |
729 | if (print_fd != 0 && status == noErr) | |
730 | fprintf(stderr, "DEBUG: Sending print file, %lld bytes...\n", | |
731 | (off_t)total_bytes); | |
f7deaa1a | 732 | } |
f7deaa1a | 733 | } |
734 | ||
09a101d6 | 735 | fprintf(stderr, "DEBUG: Sent %lld bytes...\n", (off_t)total_bytes); |
f7deaa1a | 736 | |
09a101d6 | 737 | /* |
738 | * Close the connection and input file and general clean up... | |
739 | */ | |
f7deaa1a | 740 | |
09a101d6 | 741 | registry_close(); |
f7deaa1a | 742 | |
09a101d6 | 743 | if (print_fd != STDIN_FILENO) |
744 | close(print_fd); | |
f7deaa1a | 745 | |
09a101d6 | 746 | if (g.make != NULL) |
747 | CFRelease(g.make); | |
e53920b9 | 748 | |
09a101d6 | 749 | if (g.model != NULL) |
750 | CFRelease(g.model); | |
e53920b9 | 751 | |
09a101d6 | 752 | if (g.serial != NULL) |
753 | CFRelease(g.serial); | |
e53920b9 | 754 | |
09a101d6 | 755 | if (g.printer_obj != 0x0) |
756 | IOObjectRelease(g.printer_obj); | |
e53920b9 | 757 | |
758 | return status; | |
ef416fc2 | 759 | } |
760 | ||
09a101d6 | 761 | |
762 | /* | |
763 | * 'read_thread()' - Thread to read the backchannel data on. | |
764 | */ | |
765 | ||
766 | static void *read_thread(void *reference) | |
767 | { | |
768 | UInt8 readbuffer[512]; | |
769 | UInt32 rbytes; | |
770 | kern_return_t readstatus; | |
771 | struct mach_timebase_info timeBaseInfo; | |
772 | uint64_t start, | |
773 | delay; | |
774 | ||
775 | /* Calculate what 250 milliSeconds are in mach absolute time... | |
776 | */ | |
777 | mach_timebase_info(&timeBaseInfo); | |
778 | delay = ((uint64_t)250000000 * (uint64_t)timeBaseInfo.denom) / (uint64_t)timeBaseInfo.numer; | |
779 | ||
780 | do | |
781 | { | |
782 | /* | |
783 | * Remember when we started so we can throttle the loop after the read call... | |
784 | */ | |
785 | ||
786 | start = mach_absolute_time(); | |
787 | ||
788 | rbytes = sizeof(readbuffer); | |
789 | readstatus = (*g.classdriver)->ReadPipe(g.classdriver, readbuffer, &rbytes); | |
790 | if (readstatus == kIOReturnSuccess && rbytes > 0) | |
791 | { | |
b0f6947b MS |
792 | fprintf(stderr, "DEBUG: Read %d bytes of back-channel data...\n", |
793 | (int)rbytes); | |
09a101d6 | 794 | cupsBackChannelWrite((char*)readbuffer, rbytes, 1.0); |
795 | ||
796 | /* cntrl-d is echoed by the printer. | |
797 | * NOTES: | |
798 | * Xerox Phaser 6250D doesn't echo the cntrl-d. | |
799 | * Xerox Phaser 6250D doesn't always send the product query. | |
800 | */ | |
801 | if (g.wait_eof && readbuffer[rbytes-1] == 0x4) | |
802 | break; | |
803 | ||
804 | #ifdef PARSE_PS_ERRORS | |
805 | parse_pserror(readbuffer, rbytes); | |
806 | #endif | |
807 | } | |
b0f6947b | 808 | else if (readstatus == kIOUSBTransactionTimeout) |
3fb9c47e | 809 | fputs("DEBUG: Got USB transaction timeout during read\n", stderr); |
b0f6947b | 810 | else if (readstatus == kIOUSBPipeStalled) |
4d301e69 | 811 | fputs("DEBUG: Got USB pipe stalled during read\n", stderr); |
b0f6947b | 812 | else if (readstatus == kIOReturnAborted) |
3fb9c47e | 813 | fputs("DEBUG: Got USB return aborted during read\n", stderr); |
09a101d6 | 814 | |
815 | /* | |
816 | * Make sure this loop executes no more than once every 250 miliseconds... | |
817 | */ | |
818 | ||
819 | if ((readstatus != kIOReturnSuccess || rbytes == 0) && (g.wait_eof || !g.read_thread_stop)) | |
820 | mach_wait_until(start + delay); | |
821 | ||
822 | } while (g.wait_eof || !g.read_thread_stop); /* Abort from main thread tests error here */ | |
823 | ||
824 | /* | |
825 | * Let the main thread know that we have completed the read thread... | |
826 | */ | |
827 | ||
828 | pthread_mutex_lock(&g.read_thread_mutex); | |
829 | g.read_thread_done = 1; | |
830 | pthread_cond_signal(&g.read_thread_cond); | |
831 | pthread_mutex_unlock(&g.read_thread_mutex); | |
832 | ||
833 | return NULL; | |
834 | } | |
835 | ||
836 | ||
837 | /* | |
838 | * 'sidechannel_thread()' - Handle side-channel requests. | |
839 | */ | |
840 | ||
841 | static void* | |
842 | sidechannel_thread(void *reference) | |
843 | { | |
844 | cups_sc_command_t command; /* Request command */ | |
845 | cups_sc_status_t status; /* Request/response status */ | |
846 | char data[2048]; /* Request/response data */ | |
847 | int datalen; /* Request/response data size */ | |
848 | ||
bc44d920 | 849 | |
850 | do | |
09a101d6 | 851 | { |
852 | datalen = sizeof(data); | |
853 | ||
854 | if (cupsSideChannelRead(&command, &status, data, &datalen, 1.0)) | |
ef55b745 MS |
855 | { |
856 | if (status == CUPS_SC_STATUS_TIMEOUT) | |
857 | continue; | |
858 | else | |
859 | break; | |
860 | } | |
09a101d6 | 861 | |
862 | switch (command) | |
863 | { | |
864 | case CUPS_SC_CMD_SOFT_RESET: /* Do a soft reset */ | |
b0f6947b MS |
865 | fputs("DEBUG: CUPS_SC_CMD_SOFT_RESET received from driver...\n", |
866 | stderr); | |
867 | ||
db1f069b MS |
868 | if ((*g.classdriver)->SoftReset != NULL) |
869 | { | |
870 | soft_reset(); | |
871 | cupsSideChannelWrite(command, CUPS_SC_STATUS_OK, NULL, 0, 1.0); | |
b0f6947b MS |
872 | fputs("DEBUG: Returning status CUPS_STATUS_OK with no bytes...\n", |
873 | stderr); | |
db1f069b MS |
874 | } |
875 | else | |
876 | { | |
877 | cupsSideChannelWrite(command, CUPS_SC_STATUS_NOT_IMPLEMENTED, | |
878 | NULL, 0, 1.0); | |
b0f6947b MS |
879 | fputs("DEBUG: Returning status CUPS_STATUS_NOT_IMPLEMENTED with " |
880 | "no bytes...\n", stderr); | |
db1f069b | 881 | } |
09a101d6 | 882 | break; |
883 | ||
884 | case CUPS_SC_CMD_DRAIN_OUTPUT: /* Drain all pending output */ | |
b0f6947b MS |
885 | fputs("DEBUG: CUPS_SC_CMD_DRAIN_OUTPUT received from driver...\n", |
886 | stderr); | |
887 | ||
09a101d6 | 888 | g.drain_output = 1; |
889 | break; | |
890 | ||
891 | case CUPS_SC_CMD_GET_BIDI: /* Is the connection bidirectional? */ | |
b0f6947b MS |
892 | fputs("DEBUG: CUPS_SC_CMD_GET_BIDI received from driver...\n", |
893 | stderr); | |
894 | ||
09a101d6 | 895 | data[0] = g.bidi_flag; |
896 | cupsSideChannelWrite(command, CUPS_SC_STATUS_OK, data, 1, 1.0); | |
b0f6947b MS |
897 | |
898 | fprintf(stderr, | |
899 | "DEBUG: Returned CUPS_SC_STATUS_OK with 1 byte (%02X)...\n", | |
900 | data[0]); | |
09a101d6 | 901 | break; |
902 | ||
903 | case CUPS_SC_CMD_GET_DEVICE_ID: /* Return IEEE-1284 device ID */ | |
b0f6947b MS |
904 | fputs("DEBUG: CUPS_SC_CMD_GET_DEVICE_ID received from driver...\n", |
905 | stderr); | |
906 | ||
09a101d6 | 907 | datalen = sizeof(data); |
908 | get_device_id(&status, data, &datalen); | |
909 | cupsSideChannelWrite(command, CUPS_SC_STATUS_OK, data, datalen, 1.0); | |
b0f6947b MS |
910 | |
911 | if (datalen < sizeof(data)) | |
912 | data[datalen] = '\0'; | |
913 | else | |
914 | data[sizeof(data) - 1] = '\0'; | |
915 | ||
916 | fprintf(stderr, | |
917 | "DEBUG: Returning CUPS_SC_STATUS_OK with %d bytes (%s)...\n", | |
918 | datalen, data); | |
09a101d6 | 919 | break; |
920 | ||
921 | case CUPS_SC_CMD_GET_STATE: /* Return device state */ | |
b0f6947b MS |
922 | fputs("DEBUG: CUPS_SC_CMD_GET_STATE received from driver...\n", |
923 | stderr); | |
924 | ||
09a101d6 | 925 | data[0] = CUPS_SC_STATE_ONLINE; |
926 | cupsSideChannelWrite(command, CUPS_SC_STATUS_OK, data, 1, 1.0); | |
b0f6947b MS |
927 | |
928 | fprintf(stderr, | |
929 | "DEBUG: Returned CUPS_SC_STATUS_OK with 1 byte (%02X)...\n", | |
930 | data[0]); | |
09a101d6 | 931 | break; |
932 | ||
933 | default: | |
b0f6947b MS |
934 | fprintf(stderr, "DEBUG: Unknown side-channel command (%d) received " |
935 | "from driver...\n", command); | |
936 | ||
09a101d6 | 937 | cupsSideChannelWrite(command, CUPS_SC_STATUS_NOT_IMPLEMENTED, |
938 | NULL, 0, 1.0); | |
b0f6947b MS |
939 | |
940 | fputs("DEBUG: Returned CUPS_SC_STATUS_NOT_IMPLEMENTED with no bytes...\n", | |
941 | stderr); | |
09a101d6 | 942 | break; |
943 | } | |
944 | } | |
c7017ecc | 945 | while (1); |
bc44d920 | 946 | |
09a101d6 | 947 | return NULL; |
948 | } | |
949 | ||
950 | ||
e53920b9 | 951 | #pragma mark - |
ef416fc2 | 952 | /* |
09a101d6 | 953 | * 'iterate_printers()' - Iterate over all the printers. |
954 | */ | |
955 | ||
956 | static void iterate_printers(iterator_callback_t callBack, | |
957 | void *userdata) | |
958 | { | |
959 | mach_port_t masterPort = 0x0; | |
960 | kern_return_t kr = IOMasterPort (bootstrap_port, &masterPort); | |
961 | ||
962 | if (kr == kIOReturnSuccess && masterPort != 0x0) | |
963 | { | |
964 | io_iterator_t addIterator = 0x0; | |
965 | ||
966 | iterator_reference_t reference = { callBack, userdata, true }; | |
967 | IONotificationPortRef addNotification = IONotificationPortCreate(masterPort); | |
968 | ||
969 | int klass = kUSBPrintingClass; | |
970 | int subklass = kUSBPrintingSubclass; | |
971 | ||
972 | CFNumberRef usb_klass = CFNumberCreate(NULL, kCFNumberIntType, &klass); | |
973 | CFNumberRef usb_subklass = CFNumberCreate(NULL, kCFNumberIntType, &subklass); | |
974 | CFMutableDictionaryRef usbPrinterMatchDictionary = IOServiceMatching(kIOUSBInterfaceClassName); | |
975 | ||
976 | CFDictionaryAddValue(usbPrinterMatchDictionary, CFSTR("bInterfaceClass"), usb_klass); | |
977 | CFDictionaryAddValue(usbPrinterMatchDictionary, CFSTR("bInterfaceSubClass"), usb_subklass); | |
978 | ||
979 | CFRelease(usb_klass); | |
980 | CFRelease(usb_subklass); | |
981 | ||
982 | kr = IOServiceAddMatchingNotification(addNotification, kIOMatchedNotification, usbPrinterMatchDictionary, &device_added, &reference, &addIterator); | |
983 | if (addIterator != 0x0) | |
984 | { | |
985 | device_added (&reference, addIterator); | |
986 | ||
987 | if (reference.keepRunning) | |
988 | { | |
989 | CFRunLoopAddSource(CFRunLoopGetCurrent(), IONotificationPortGetRunLoopSource(addNotification), kCFRunLoopDefaultMode); | |
990 | CFRunLoopRun(); | |
991 | } | |
992 | IOObjectRelease(addIterator); | |
993 | } | |
994 | mach_port_deallocate(mach_task_self(), masterPort); | |
995 | } | |
996 | } | |
997 | ||
998 | ||
999 | /* | |
1000 | * 'device_added()' - Device added notifier. | |
e53920b9 | 1001 | */ |
1002 | ||
09a101d6 | 1003 | static void device_added(void *userdata, |
1004 | io_iterator_t iterator) | |
1005 | { | |
1006 | iterator_reference_t *reference = userdata; | |
1007 | ||
1008 | io_service_t obj; | |
1009 | while (reference->keepRunning && (obj = IOIteratorNext(iterator)) != 0x0) | |
1010 | { | |
1011 | if (reference->callback != NULL) | |
1012 | reference->keepRunning = reference->callback(reference->userdata, obj); | |
1013 | ||
1014 | IOObjectRelease(obj); | |
1015 | } | |
1016 | ||
1017 | /* One last call to the call back now that we are not longer have printers left to iterate... | |
1018 | */ | |
1019 | if (reference->keepRunning) | |
1020 | reference->keepRunning = reference->callback(reference->userdata, 0x0); | |
1021 | ||
1022 | if (!reference->keepRunning) | |
1023 | CFRunLoopStop(CFRunLoopGetCurrent()); | |
1024 | } | |
1025 | ||
1026 | ||
1027 | /* | |
1028 | * 'list_device_cb()' - list_device iterator callback. | |
1029 | */ | |
1030 | ||
1031 | static Boolean list_device_cb(void *refcon, | |
1032 | io_service_t obj) | |
ef416fc2 | 1033 | { |
e53920b9 | 1034 | Boolean keepRunning = (obj != 0x0); |
1035 | ||
09a101d6 | 1036 | if (keepRunning) |
1037 | { | |
e53920b9 | 1038 | CFStringRef deviceIDString = NULL; |
1039 | UInt32 deviceLocation = 0; | |
bc44d920 | 1040 | UInt8 interfaceNum = 0; |
e53920b9 | 1041 | |
bc44d920 | 1042 | copy_devicestring(obj, &deviceIDString, &deviceLocation, &interfaceNum); |
09a101d6 | 1043 | if (deviceIDString != NULL) |
1044 | { | |
e53920b9 | 1045 | CFStringRef make = NULL, model = NULL, serial = NULL; |
f7deaa1a | 1046 | char uristr[1024], makestr[1024], modelstr[1024], serialstr[1024]; |
db0bd74a | 1047 | char optionsstr[1024], idstr[1024], make_modelstr[1024]; |
e53920b9 | 1048 | |
1049 | copy_deviceinfo(deviceIDString, &make, &model, &serial); | |
f7deaa1a | 1050 | CFStringGetCString(deviceIDString, idstr, sizeof(idstr), |
1051 | kCFStringEncodingUTF8); | |
db0bd74a MS |
1052 | backendGetMakeModel(idstr, make_modelstr, sizeof(make_modelstr)); |
1053 | ||
1054 | modelstr[0] = '/'; | |
f7deaa1a | 1055 | |
0af14961 MS |
1056 | if (!make || |
1057 | !CFStringGetCString(make, makestr, sizeof(makestr), | |
568fa3fa | 1058 | kCFStringEncodingUTF8)) |
f7deaa1a | 1059 | strcpy(makestr, "Unknown"); |
1060 | ||
0af14961 MS |
1061 | if (!model || |
1062 | !CFStringGetCString(model, &modelstr[1], sizeof(modelstr)-1, | |
568fa3fa | 1063 | kCFStringEncodingUTF8)) |
f7deaa1a | 1064 | strcpy(modelstr + 1, "Printer"); |
e53920b9 | 1065 | |
1066 | optionsstr[0] = '\0'; | |
1067 | if (serial != NULL) | |
1068 | { | |
1069 | CFStringGetCString(serial, serialstr, sizeof(serialstr), kCFStringEncodingUTF8); | |
1070 | snprintf(optionsstr, sizeof(optionsstr), "?serial=%s", serialstr); | |
1071 | } | |
1072 | else if (deviceLocation != 0) | |
09a101d6 | 1073 | snprintf(optionsstr, sizeof(optionsstr), "?location=%x", (unsigned)deviceLocation); |
e53920b9 | 1074 | |
1075 | httpAssembleURI(HTTP_URI_CODING_ALL, uristr, sizeof(uristr), "usb", NULL, makestr, 0, modelstr); | |
85b5d1df | 1076 | strlcat(uristr, optionsstr, sizeof(uristr)); |
e53920b9 | 1077 | |
749b1e90 MS |
1078 | cupsBackendReport("direct", uristr, make_modelstr, make_modelstr, idstr, |
1079 | NULL); | |
e53920b9 | 1080 | |
1081 | release_deviceinfo(&make, &model, &serial); | |
1082 | CFRelease(deviceIDString); | |
ef416fc2 | 1083 | } |
e53920b9 | 1084 | } |
1085 | ||
1086 | return keepRunning; | |
ef416fc2 | 1087 | } |
1088 | ||
1089 | ||
e53920b9 | 1090 | /* |
09a101d6 | 1091 | * 'find_device_cb()' - print_device iterator callback. |
e53920b9 | 1092 | */ |
ef416fc2 | 1093 | |
09a101d6 | 1094 | static Boolean find_device_cb(void *refcon, |
1095 | io_service_t obj) | |
e53920b9 | 1096 | { |
1097 | Boolean keepLooking = true; | |
1098 | ||
09a101d6 | 1099 | if (obj != 0x0) |
1100 | { | |
e53920b9 | 1101 | CFStringRef idString = NULL; |
1102 | UInt32 location = -1; | |
bc44d920 | 1103 | UInt8 interfaceNum = 0; |
e53920b9 | 1104 | |
bc44d920 | 1105 | copy_devicestring(obj, &idString, &location, &interfaceNum); |
09a101d6 | 1106 | if (idString != NULL) |
1107 | { | |
e53920b9 | 1108 | CFStringRef make = NULL, model = NULL, serial = NULL; |
1109 | ||
1110 | copy_deviceinfo(idString, &make, &model, &serial); | |
7dfedb92 | 1111 | if (make && CFStringCompare(make, g.make, kCFCompareCaseInsensitive) == kCFCompareEqualTo) |
09a101d6 | 1112 | { |
7dfedb92 | 1113 | if (model && CFStringCompare(model, g.model, kCFCompareCaseInsensitive) == kCFCompareEqualTo) |
09a101d6 | 1114 | { |
1115 | if (g.serial != NULL && CFStringGetLength(g.serial) > 0) | |
1116 | { | |
1117 | if (serial != NULL && CFStringCompare(serial, g.serial, kCFCompareCaseInsensitive) == kCFCompareEqualTo) | |
1118 | { | |
e53920b9 | 1119 | IOObjectRetain(obj); |
09a101d6 | 1120 | g.printer_obj = obj; |
e53920b9 | 1121 | keepLooking = false; |
ef416fc2 | 1122 | } |
e53920b9 | 1123 | } |
09a101d6 | 1124 | else |
1125 | { | |
1126 | if (g.printer_obj != 0) | |
1127 | IOObjectRelease(g.printer_obj); | |
1128 | ||
1129 | g.printer_obj = obj; | |
e53920b9 | 1130 | IOObjectRetain(obj); |
1131 | ||
09a101d6 | 1132 | if (g.location == 0 || g.location == location) |
e53920b9 | 1133 | keepLooking = false; |
e53920b9 | 1134 | } |
bc44d920 | 1135 | if ( !keepLooking ) |
1136 | g.interfaceNum = interfaceNum; | |
ef416fc2 | 1137 | } |
e53920b9 | 1138 | } |
1139 | ||
1140 | release_deviceinfo(&make, &model, &serial); | |
1141 | CFRelease(idString); | |
ef416fc2 | 1142 | } |
e53920b9 | 1143 | } |
09a101d6 | 1144 | else |
1145 | { | |
1146 | keepLooking = (g.printer_obj == 0); | |
1147 | if (obj == 0x0 && keepLooking) | |
1148 | { | |
1149 | CFRunLoopTimerContext context = { 0, refcon, NULL, NULL, NULL }; | |
1150 | CFRunLoopTimerRef timer = CFRunLoopTimerCreate(NULL, CFAbsoluteTimeGetCurrent() + 1.0, 10, 0x0, 0x0, status_timer_cb, &context); | |
1151 | if (timer != NULL) | |
1152 | { | |
7594b224 | 1153 | CFRunLoopAddTimer(CFRunLoopGetCurrent(), timer, kCFRunLoopDefaultMode); |
09a101d6 | 1154 | g.status_timer = timer; |
7594b224 | 1155 | } |
1156 | } | |
1157 | } | |
09a101d6 | 1158 | |
1159 | if (!keepLooking && g.status_timer != NULL) | |
1160 | { | |
c5571a1d | 1161 | fputs("STATE: -offline-report\n", stderr); |
080811b1 | 1162 | _cupsLangPuts(stderr, _("INFO: Printer is now online.\n")); |
09a101d6 | 1163 | CFRunLoopRemoveTimer(CFRunLoopGetCurrent(), g.status_timer, kCFRunLoopDefaultMode); |
1164 | CFRelease(g.status_timer); | |
1165 | g.status_timer = NULL; | |
e53920b9 | 1166 | } |
ef416fc2 | 1167 | |
e53920b9 | 1168 | return keepLooking; |
ef416fc2 | 1169 | } |
1170 | ||
1171 | ||
e53920b9 | 1172 | /* |
09a101d6 | 1173 | * 'status_timer_cb()' - Status timer callback. |
ef416fc2 | 1174 | */ |
e53920b9 | 1175 | |
09a101d6 | 1176 | static void status_timer_cb(CFRunLoopTimerRef timer, |
1177 | void *info) | |
ef416fc2 | 1178 | { |
c5571a1d | 1179 | fputs("STATE: +offline-report\n", stderr); |
749b1e90 | 1180 | _cupsLangPuts(stderr, _("INFO: Printer is offline.\n")); |
0a682745 MS |
1181 | |
1182 | if (getenv("CLASS") != NULL) | |
1183 | { | |
1184 | /* | |
1185 | * If the CLASS environment variable is set, the job was submitted | |
1186 | * to a class and not to a specific queue. In this case, we want | |
1187 | * to abort immediately so that the job can be requeued on the next | |
1188 | * available printer in the class. | |
1189 | * | |
1190 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
1191 | */ | |
1192 | ||
1193 | sleep(5); | |
1194 | ||
1195 | exit(CUPS_BACKEND_FAILED); | |
1196 | } | |
ef416fc2 | 1197 | } |
1198 | ||
ef416fc2 | 1199 | |
e53920b9 | 1200 | #pragma mark - |
1201 | /* | |
1202 | * 'copy_deviceinfo()' - Copy strings from the 1284 device ID. | |
1203 | */ | |
ef416fc2 | 1204 | |
09a101d6 | 1205 | static void copy_deviceinfo(CFStringRef deviceIDString, |
1206 | CFStringRef *make, | |
1207 | CFStringRef *model, | |
1208 | CFStringRef *serial) | |
1209 | { | |
e53920b9 | 1210 | CFStringRef modelKeys[] = { CFSTR("MDL:"), CFSTR("MODEL:"), NULL }; |
1211 | CFStringRef makeKeys[] = { CFSTR("MFG:"), CFSTR("MANUFACTURER:"), NULL }; | |
1212 | CFStringRef serialKeys[] = { CFSTR("SN:"), CFSTR("SERN:"), NULL }; | |
1213 | ||
1214 | if (make != NULL) | |
0af14961 | 1215 | *make = copy_value_for_key(deviceIDString, makeKeys); |
568fa3fa | 1216 | |
e53920b9 | 1217 | if (model != NULL) |
0af14961 | 1218 | *model = copy_value_for_key(deviceIDString, modelKeys); |
568fa3fa | 1219 | |
e53920b9 | 1220 | if (serial != NULL) |
1221 | *serial = copy_value_for_key(deviceIDString, serialKeys); | |
1222 | } | |
ef416fc2 | 1223 | |
ef416fc2 | 1224 | |
e53920b9 | 1225 | /* |
1226 | * 'release_deviceinfo()' - Release deviceinfo strings. | |
1227 | */ | |
ef416fc2 | 1228 | |
09a101d6 | 1229 | static void release_deviceinfo(CFStringRef *make, |
1230 | CFStringRef *model, | |
1231 | CFStringRef *serial) | |
ef416fc2 | 1232 | { |
09a101d6 | 1233 | if (make != NULL && *make != NULL) |
1234 | { | |
e53920b9 | 1235 | CFRelease(*make); |
1236 | *make = NULL; | |
1237 | } | |
1238 | ||
09a101d6 | 1239 | if (model != NULL && *model != NULL) |
1240 | { | |
e53920b9 | 1241 | CFRelease(*model); |
1242 | *model = NULL; | |
1243 | } | |
1244 | ||
09a101d6 | 1245 | if (serial != NULL && *serial != NULL) |
1246 | { | |
e53920b9 | 1247 | CFRelease(*serial); |
1248 | *serial = NULL; | |
1249 | } | |
1250 | } | |
1251 | ||
1252 | ||
1253 | #pragma mark - | |
1254 | /* | |
1255 | * 'load_classdriver()' - Load a classdriver. | |
1256 | */ | |
1257 | ||
09a101d6 | 1258 | static kern_return_t load_classdriver(CFStringRef driverPath, |
1259 | printer_interface_t intf, | |
1260 | classdriver_t ***printerDriver) | |
e53920b9 | 1261 | { |
bf3816c7 MS |
1262 | kern_return_t kr = kUSBPrinterClassDeviceNotOpen; |
1263 | classdriver_t **driver = NULL; | |
1264 | CFStringRef bundle = driverPath ? driverPath : kUSBGenericTOPrinterClassDriver; | |
1265 | char bundlestr[1024]; /* Bundle path */ | |
1266 | struct stat bundleinfo; /* File information for bundle */ | |
1267 | CFURLRef url; /* URL for driver */ | |
1268 | CFPlugInRef plugin = NULL; /* Plug-in address */ | |
e53920b9 | 1269 | |
bf3816c7 MS |
1270 | |
1271 | CFStringGetCString(bundle, bundlestr, sizeof(bundlestr), kCFStringEncodingUTF8); | |
1272 | ||
1273 | /* | |
1274 | * Validate permissions for the class driver... | |
1275 | */ | |
1276 | ||
1277 | if (stat(bundlestr, &bundleinfo)) | |
09a101d6 | 1278 | { |
b0f6947b MS |
1279 | fprintf(stderr, "DEBUG: Unable to load class driver \"%s\": %s\n", |
1280 | bundlestr, strerror(errno)); | |
bf3816c7 MS |
1281 | return (kr); |
1282 | } | |
1283 | else if (bundleinfo.st_mode & S_IWOTH) | |
1284 | { | |
b0f6947b MS |
1285 | fprintf(stderr, "DEBUG: Unable to load class driver \"%s\": insecure file " |
1286 | "permissions (0%o)\n", bundlestr, bundleinfo.st_mode); | |
bf3816c7 MS |
1287 | return (kr); |
1288 | } | |
1289 | ||
1290 | /* | |
1291 | * Try loading the class driver... | |
1292 | */ | |
1293 | ||
1294 | url = CFURLCreateWithFileSystemPath(NULL, bundle, kCFURLPOSIXPathStyle, true); | |
e53920b9 | 1295 | |
bf3816c7 MS |
1296 | if (url) |
1297 | { | |
1298 | plugin = CFPlugInCreate(NULL, url); | |
1299 | CFRelease(url); | |
1300 | } | |
1301 | else | |
1302 | plugin = NULL; | |
e53920b9 | 1303 | |
bf3816c7 MS |
1304 | if (plugin) |
1305 | { | |
1306 | CFArrayRef factories = CFPlugInFindFactoriesForPlugInTypeInPlugIn(kUSBPrinterClassTypeID, plugin); | |
1307 | if (factories != NULL && CFArrayGetCount(factories) > 0) | |
09a101d6 | 1308 | { |
bf3816c7 MS |
1309 | CFUUIDRef factoryID = CFArrayGetValueAtIndex(factories, 0); |
1310 | IUnknownVTbl **iunknown = CFPlugInInstanceCreate(NULL, factoryID, kUSBPrinterClassTypeID); | |
1311 | if (iunknown != NULL) | |
09a101d6 | 1312 | { |
bf3816c7 MS |
1313 | kr = (*iunknown)->QueryInterface(iunknown, CFUUIDGetUUIDBytes(kUSBPrinterClassInterfaceID), (LPVOID *)&driver); |
1314 | if (kr == kIOReturnSuccess && driver != NULL) | |
09a101d6 | 1315 | { |
bf3816c7 MS |
1316 | classdriver_t **genericDriver = NULL; |
1317 | if (driverPath != NULL && CFStringCompare(driverPath, kUSBGenericTOPrinterClassDriver, 0) != kCFCompareEqualTo) | |
1318 | kr = load_classdriver(NULL, intf, &genericDriver); | |
e53920b9 | 1319 | |
bf3816c7 MS |
1320 | if (kr == kIOReturnSuccess) |
1321 | { | |
1322 | (*driver)->interface = intf; | |
1323 | (*driver)->Initialize(driver, genericDriver); | |
e53920b9 | 1324 | |
bf3816c7 MS |
1325 | (*driver)->plugin = plugin; |
1326 | (*driver)->interface = intf; | |
1327 | *printerDriver = driver; | |
e53920b9 | 1328 | } |
e53920b9 | 1329 | } |
bf3816c7 | 1330 | (*iunknown)->Release(iunknown); |
e53920b9 | 1331 | } |
bf3816c7 | 1332 | CFRelease(factories); |
ef416fc2 | 1333 | } |
e53920b9 | 1334 | } |
1335 | ||
c0e1af83 | 1336 | fprintf(stderr, "DEBUG: load_classdriver(%s) (kr:0x%08x)\n", bundlestr, (int)kr); |
ef416fc2 | 1337 | |
bf3816c7 | 1338 | return (kr); |
ef416fc2 | 1339 | } |
1340 | ||
1341 | ||
e53920b9 | 1342 | /* |
1343 | * 'unload_classdriver()' - Unload a classdriver. | |
1344 | */ | |
ef416fc2 | 1345 | |
09a101d6 | 1346 | static kern_return_t unload_classdriver(classdriver_t ***classdriver) |
e53920b9 | 1347 | { |
09a101d6 | 1348 | if (*classdriver != NULL) |
1349 | { | |
1350 | (**classdriver)->Release(*classdriver); | |
1351 | *classdriver = NULL; | |
e53920b9 | 1352 | } |
ef416fc2 | 1353 | |
e53920b9 | 1354 | return kIOReturnSuccess; |
1355 | } | |
ef416fc2 | 1356 | |
ef416fc2 | 1357 | |
e53920b9 | 1358 | /* |
09a101d6 | 1359 | * 'load_printerdriver()' - Load vendor's classdriver. |
411affcf | 1360 | * |
1361 | * If driverBundlePath is not NULL on return it is the callers responsbility to release it! | |
e53920b9 | 1362 | */ |
ef416fc2 | 1363 | |
09a101d6 | 1364 | static kern_return_t load_printerdriver(CFStringRef *driverBundlePath) |
ef416fc2 | 1365 | { |
7594b224 | 1366 | IOCFPlugInInterface **iodev = NULL; |
1367 | SInt32 score; | |
1368 | kern_return_t kr; | |
1369 | printer_interface_t intf; | |
1370 | HRESULT res; | |
1371 | ||
09a101d6 | 1372 | kr = IOCreatePlugInInterfaceForService(g.printer_obj, kIOUSBInterfaceUserClientTypeID, kIOCFPlugInInterfaceID, &iodev, &score); |
7594b224 | 1373 | if (kr == kIOReturnSuccess) |
1374 | { | |
1375 | if ((res = (*iodev)->QueryInterface(iodev, USB_INTERFACE_KIND, (LPVOID *) &intf)) == noErr) | |
1376 | { | |
09a101d6 | 1377 | *driverBundlePath = IORegistryEntryCreateCFProperty(g.printer_obj, kUSBClassDriverProperty, NULL, kNilOptions); |
e53920b9 | 1378 | |
09a101d6 | 1379 | kr = load_classdriver(*driverBundlePath, intf, &g.classdriver); |
ef416fc2 | 1380 | |
e53920b9 | 1381 | if (kr != kIOReturnSuccess) |
1382 | (*intf)->Release(intf); | |
1383 | } | |
1384 | IODestroyPlugInInterface(iodev); | |
1385 | } | |
1386 | return kr; | |
ef416fc2 | 1387 | } |
1388 | ||
1389 | ||
e53920b9 | 1390 | /* |
1391 | * 'registry_open()' - Open a connection to the printer. | |
1392 | */ | |
ef416fc2 | 1393 | |
09a101d6 | 1394 | static kern_return_t registry_open(CFStringRef *driverBundlePath) |
e53920b9 | 1395 | { |
09a101d6 | 1396 | g.bidi_flag = 0; /* 0=unidirectional */ |
f7deaa1a | 1397 | |
09a101d6 | 1398 | kern_return_t kr = load_printerdriver(driverBundlePath); |
1399 | if (kr != kIOReturnSuccess) | |
e53920b9 | 1400 | kr = -2; |
ef416fc2 | 1401 | |
09a101d6 | 1402 | if (g.classdriver != NULL) |
1403 | { | |
bc44d920 | 1404 | (*g.classdriver)->interfaceNumber = g.interfaceNum; |
09a101d6 | 1405 | kr = (*g.classdriver)->Open(g.classdriver, g.location, kUSBPrintingProtocolBidirectional); |
1406 | if (kr != kIOReturnSuccess || (*g.classdriver)->interface == NULL) | |
1407 | { | |
1408 | kr = (*g.classdriver)->Open(g.classdriver, g.location, kUSBPrintingProtocolUnidirectional); | |
1409 | if (kr == kIOReturnSuccess) | |
1410 | { | |
1411 | if ((*g.classdriver)->interface == NULL) | |
1412 | { | |
1413 | (*g.classdriver)->Close(g.classdriver); | |
e53920b9 | 1414 | kr = -1; |
1415 | } | |
1416 | } | |
1417 | } | |
09a101d6 | 1418 | else |
1419 | g.bidi_flag = 1; /* 1=bidirectional */ | |
e53920b9 | 1420 | } |
ef416fc2 | 1421 | |
09a101d6 | 1422 | if (kr != kIOReturnSuccess) |
1423 | unload_classdriver(&g.classdriver); | |
ef416fc2 | 1424 | |
e53920b9 | 1425 | return kr; |
1426 | } | |
ef416fc2 | 1427 | |
ef416fc2 | 1428 | |
e53920b9 | 1429 | /* |
1430 | * 'registry_close()' - Close the connection to the printer. | |
1431 | */ | |
ef416fc2 | 1432 | |
09a101d6 | 1433 | static kern_return_t registry_close() |
ef416fc2 | 1434 | { |
09a101d6 | 1435 | if (g.classdriver != NULL) |
1436 | (*g.classdriver)->Close(g.classdriver); | |
1437 | ||
1438 | unload_classdriver(&g.classdriver); | |
e53920b9 | 1439 | return kIOReturnSuccess; |
ef416fc2 | 1440 | } |
1441 | ||
1442 | ||
e53920b9 | 1443 | /* |
1444 | * 'copy_deviceid()' - Copy the 1284 device id string. | |
1445 | */ | |
1446 | ||
09a101d6 | 1447 | static OSStatus copy_deviceid(classdriver_t **classdriver, |
1448 | CFStringRef *deviceID) | |
ef416fc2 | 1449 | { |
e53920b9 | 1450 | CFStringRef devID = NULL, |
1451 | ||
1452 | deviceMake = NULL, | |
1453 | deviceModel = NULL, | |
1454 | deviceSerial = NULL; | |
1455 | ||
09a101d6 | 1456 | OSStatus err = (*classdriver)->GetDeviceID(classdriver, &devID, DEFAULT_TIMEOUT); |
e53920b9 | 1457 | |
1458 | copy_deviceinfo(devID, &deviceMake, &deviceModel, &deviceSerial); | |
1459 | ||
09a101d6 | 1460 | if (deviceMake == NULL || deviceModel == NULL || deviceSerial == NULL) |
1461 | { | |
e53920b9 | 1462 | IOUSBDeviceDescriptor desc; |
1463 | iodevice_request_t request; | |
1464 | ||
09a101d6 | 1465 | request.requestType = USBmakebmRequestType(kUSBIn, kUSBStandard, kUSBDevice); |
e53920b9 | 1466 | request.request = kUSBRqGetDescriptor; |
1467 | request.value = (kUSBDeviceDesc << 8) | 0; | |
1468 | request.index = 0; | |
1469 | request.length = sizeof(desc); | |
1470 | request.buffer = &desc; | |
09a101d6 | 1471 | err = (*classdriver)->DeviceRequest(classdriver, &request, DEFAULT_TIMEOUT); |
1472 | if (err == kIOReturnSuccess) | |
1473 | { | |
e53920b9 | 1474 | CFMutableStringRef newDevID = CFStringCreateMutable(NULL, 0); |
1475 | ||
09a101d6 | 1476 | if (deviceMake == NULL) |
1477 | { | |
e53920b9 | 1478 | CFStringRef data = NULL; |
09a101d6 | 1479 | err = (*classdriver)->GetString(classdriver, desc.iManufacturer, kUSBLanguageEnglish, DEFAULT_TIMEOUT, &data); |
1480 | if (data != NULL) | |
1481 | { | |
e53920b9 | 1482 | CFStringAppendFormat(newDevID, NULL, CFSTR("MFG:%@;"), data); |
1483 | CFRelease(data); | |
ef416fc2 | 1484 | } |
e53920b9 | 1485 | } |
1486 | ||
09a101d6 | 1487 | if (deviceModel == NULL) |
1488 | { | |
e53920b9 | 1489 | CFStringRef data = NULL; |
09a101d6 | 1490 | err = (*classdriver)->GetString(classdriver, desc.iProduct, kUSBLanguageEnglish, DEFAULT_TIMEOUT, &data); |
1491 | if (data != NULL) | |
1492 | { | |
e53920b9 | 1493 | CFStringAppendFormat(newDevID, NULL, CFSTR("MDL:%@;"), data); |
1494 | CFRelease(data); | |
ef416fc2 | 1495 | } |
e53920b9 | 1496 | } |
1497 | ||
09a101d6 | 1498 | if (deviceSerial == NULL && desc.iSerialNumber != 0) |
1499 | { | |
e53920b9 | 1500 | CFStringRef data = NULL; |
09a101d6 | 1501 | err = (*classdriver)->GetString(classdriver, desc.iSerialNumber, kUSBLanguageEnglish, DEFAULT_TIMEOUT, &data); |
1502 | if (data != NULL) | |
1503 | { | |
e53920b9 | 1504 | CFStringAppendFormat(newDevID, NULL, CFSTR("SERN:%@;"), data); |
1505 | CFRelease(data); | |
ef416fc2 | 1506 | } |
e53920b9 | 1507 | } |
ef416fc2 | 1508 | |
09a101d6 | 1509 | if (devID != NULL) |
1510 | { | |
e53920b9 | 1511 | CFStringAppend(newDevID, devID); |
1512 | CFRelease(devID); | |
1513 | } | |
ef416fc2 | 1514 | |
e53920b9 | 1515 | *deviceID = newDevID; |
1516 | } | |
1517 | } | |
09a101d6 | 1518 | else |
1519 | { | |
e53920b9 | 1520 | *deviceID = devID; |
1521 | } | |
1522 | release_deviceinfo(&deviceMake, &deviceModel, &deviceSerial); | |
ef416fc2 | 1523 | |
e53920b9 | 1524 | return err; |
1525 | } | |
ef416fc2 | 1526 | |
ef416fc2 | 1527 | |
e53920b9 | 1528 | /* |
1529 | * 'copy_devicestring()' - Copy the 1284 device id string. | |
1530 | */ | |
ef416fc2 | 1531 | |
09a101d6 | 1532 | static void copy_devicestring(io_service_t usbInterface, |
1533 | CFStringRef *deviceID, | |
bc44d920 | 1534 | UInt32 *deviceLocation, |
1535 | UInt8 *interfaceNumber ) | |
e53920b9 | 1536 | { |
7594b224 | 1537 | IOCFPlugInInterface **iodev = NULL; |
1538 | SInt32 score; | |
1539 | kern_return_t kr; | |
1540 | printer_interface_t intf; | |
1541 | HRESULT res; | |
09a101d6 | 1542 | classdriver_t **klassDriver = NULL; |
7594b224 | 1543 | CFStringRef driverBundlePath; |
1544 | ||
09a101d6 | 1545 | if ((kr = IOCreatePlugInInterfaceForService(usbInterface, |
1546 | kIOUSBInterfaceUserClientTypeID, | |
1547 | kIOCFPlugInInterfaceID, | |
1548 | &iodev, &score)) == kIOReturnSuccess) | |
7594b224 | 1549 | { |
09a101d6 | 1550 | if ((res = (*iodev)->QueryInterface(iodev, USB_INTERFACE_KIND, (LPVOID *) |
1551 | &intf)) == noErr) | |
7594b224 | 1552 | { |
09a101d6 | 1553 | (*intf)->GetLocationID(intf, deviceLocation); |
bc44d920 | 1554 | (*intf)->GetInterfaceNumber(intf, interfaceNumber); |
e53920b9 | 1555 | |
09a101d6 | 1556 | driverBundlePath = IORegistryEntryCreateCFProperty(usbInterface, |
1557 | kUSBClassDriverProperty, | |
1558 | NULL, kNilOptions); | |
e53920b9 | 1559 | |
7594b224 | 1560 | kr = load_classdriver(driverBundlePath, intf, &klassDriver); |
ef416fc2 | 1561 | |
7594b224 | 1562 | if (kr != kIOReturnSuccess && driverBundlePath != NULL) |
1563 | kr = load_classdriver(NULL, intf, &klassDriver); | |
1564 | ||
09a101d6 | 1565 | if (kr == kIOReturnSuccess && klassDriver != NULL) |
1566 | kr = copy_deviceid(klassDriver, deviceID); | |
ef416fc2 | 1567 | |
7594b224 | 1568 | unload_classdriver(&klassDriver); |
1569 | ||
1570 | if (driverBundlePath != NULL) | |
1571 | CFRelease(driverBundlePath); | |
ef416fc2 | 1572 | |
e53920b9 | 1573 | /* (*intf)->Release(intf); */ |
09a101d6 | 1574 | } |
e53920b9 | 1575 | IODestroyPlugInInterface(iodev); |
1576 | } | |
1577 | } | |
ef416fc2 | 1578 | |
ef416fc2 | 1579 | |
e53920b9 | 1580 | #pragma mark - |
1581 | /* | |
1582 | * 'copy_value_for_key()' - Copy value string associated with a key. | |
1583 | */ | |
ef416fc2 | 1584 | |
09a101d6 | 1585 | static CFStringRef copy_value_for_key(CFStringRef deviceID, |
1586 | CFStringRef *keys) | |
ef416fc2 | 1587 | { |
e53920b9 | 1588 | CFStringRef value = NULL; |
1589 | CFArrayRef kvPairs = deviceID != NULL ? CFStringCreateArrayBySeparatingStrings(NULL, deviceID, CFSTR(";")) : NULL; | |
1590 | CFIndex max = kvPairs != NULL ? CFArrayGetCount(kvPairs) : 0; | |
1591 | CFIndex idx = 0; | |
1592 | ||
09a101d6 | 1593 | while (idx < max && value == NULL) |
1594 | { | |
e53920b9 | 1595 | CFStringRef kvpair = CFArrayGetValueAtIndex(kvPairs, idx); |
1596 | CFIndex idxx = 0; | |
09a101d6 | 1597 | while (keys[idxx] != NULL && value == NULL) |
1598 | { | |
e53920b9 | 1599 | CFRange range = CFStringFind(kvpair, keys[idxx], kCFCompareCaseInsensitive); |
09a101d6 | 1600 | if (range.length != -1) |
1601 | { | |
1602 | if (range.location != 0) | |
1603 | { | |
e53920b9 | 1604 | CFMutableStringRef theString = CFStringCreateMutableCopy(NULL, 0, kvpair); |
1605 | CFStringTrimWhitespace(theString); | |
1606 | range = CFStringFind(theString, keys[idxx], kCFCompareCaseInsensitive); | |
09a101d6 | 1607 | if (range.location == 0) |
e53920b9 | 1608 | value = CFStringCreateWithSubstring(NULL, theString, CFRangeMake(range.length, CFStringGetLength(theString) - range.length)); |
09a101d6 | 1609 | |
e53920b9 | 1610 | CFRelease(theString); |
1611 | } | |
09a101d6 | 1612 | else |
1613 | { | |
e53920b9 | 1614 | CFStringRef theString = CFStringCreateWithSubstring(NULL, kvpair, CFRangeMake(range.length, CFStringGetLength(kvpair) - range.length)); |
1615 | CFMutableStringRef theString2 = CFStringCreateMutableCopy(NULL, 0, theString); | |
1616 | CFRelease(theString); | |
ef416fc2 | 1617 | |
e53920b9 | 1618 | CFStringTrimWhitespace(theString2); |
1619 | value = theString2; | |
ef416fc2 | 1620 | } |
e53920b9 | 1621 | } |
1622 | idxx++; | |
ef416fc2 | 1623 | } |
e53920b9 | 1624 | idx++; |
1625 | } | |
1626 | ||
1627 | if (kvPairs != NULL) | |
09a101d6 | 1628 | CFRelease(kvPairs); |
e53920b9 | 1629 | return value; |
ef416fc2 | 1630 | } |
1631 | ||
1632 | ||
411affcf | 1633 | /* |
09a101d6 | 1634 | * 'cfstr_create_trim()' - Create CFString and trim whitespace characters. |
411affcf | 1635 | */ |
1636 | ||
09a101d6 | 1637 | CFStringRef cfstr_create_trim(const char *cstr) |
411affcf | 1638 | { |
1639 | CFStringRef cfstr; | |
1640 | CFMutableStringRef cfmutablestr = NULL; | |
09a101d6 | 1641 | |
411affcf | 1642 | if ((cfstr = CFStringCreateWithCString(NULL, cstr, kCFStringEncodingUTF8)) != NULL) |
1643 | { | |
1644 | if ((cfmutablestr = CFStringCreateMutableCopy(NULL, 1024, cfstr)) != NULL) | |
1645 | CFStringTrimWhitespace(cfmutablestr); | |
1646 | ||
1647 | CFRelease(cfstr); | |
1648 | } | |
1649 | return (CFStringRef) cfmutablestr; | |
1650 | } | |
1651 | ||
1652 | ||
e53920b9 | 1653 | #pragma mark - |
1654 | /* | |
db1f069b | 1655 | * 'parse_options()' - Parse URI options. |
e53920b9 | 1656 | */ |
ef416fc2 | 1657 | |
db1f069b | 1658 | static void parse_options(char *options, |
09a101d6 | 1659 | char *serial, |
76cd9e37 | 1660 | int serial_size, |
09a101d6 | 1661 | UInt32 *location, |
1662 | Boolean *wait_eof) | |
e53920b9 | 1663 | { |
db1f069b MS |
1664 | char sep, /* Separator character */ |
1665 | *name, /* Name of option */ | |
1666 | *value; /* Value of option */ | |
1667 | ||
ef416fc2 | 1668 | |
e53920b9 | 1669 | if (serial) |
1670 | *serial = '\0'; | |
1671 | if (location) | |
1672 | *location = 0; | |
ef416fc2 | 1673 | |
e53920b9 | 1674 | if (!options) |
1675 | return; | |
ef416fc2 | 1676 | |
db1f069b | 1677 | while (*options) |
09a101d6 | 1678 | { |
db1f069b MS |
1679 | /* |
1680 | * Get the name... | |
1681 | */ | |
ef416fc2 | 1682 | |
db1f069b | 1683 | name = options; |
ef416fc2 | 1684 | |
db1f069b | 1685 | while (*options && *options != '=' && *options != '+' && *options != '&') |
e53920b9 | 1686 | options ++; |
ef416fc2 | 1687 | |
db1f069b MS |
1688 | if ((sep = *options) != '\0') |
1689 | *options++ = '\0'; | |
ef416fc2 | 1690 | |
db1f069b MS |
1691 | if (sep == '=') |
1692 | { | |
1693 | /* | |
1694 | * Get the value... | |
1695 | */ | |
ef416fc2 | 1696 | |
db1f069b MS |
1697 | value = options; |
1698 | ||
1699 | while (*options && *options != '+' && *options != '&') | |
e53920b9 | 1700 | options ++; |
db1f069b MS |
1701 | |
1702 | if (*options) | |
1703 | *options++ = '\0'; | |
e53920b9 | 1704 | } |
db1f069b MS |
1705 | else |
1706 | value = (char *)""; | |
ef416fc2 | 1707 | |
db1f069b MS |
1708 | /* |
1709 | * Process the option... | |
1710 | */ | |
1711 | ||
1712 | if (!strcasecmp(name, "waiteof")) | |
09a101d6 | 1713 | { |
db1f069b MS |
1714 | if (!strcasecmp(value, "on") || |
1715 | !strcasecmp(value, "yes") || | |
1716 | !strcasecmp(value, "true")) | |
09a101d6 | 1717 | *wait_eof = true; |
db1f069b MS |
1718 | else if (!strcasecmp(value, "off") || |
1719 | !strcasecmp(value, "no") || | |
1720 | !strcasecmp(value, "false")) | |
09a101d6 | 1721 | *wait_eof = false; |
1722 | else | |
db1f069b MS |
1723 | _cupsLangPrintf(stderr, |
1724 | _("WARNING: Boolean expected for waiteof option " | |
1725 | "\"%s\"\n"), value); | |
e53920b9 | 1726 | } |
db1f069b | 1727 | else if (!strcasecmp(name, "serial")) |
76cd9e37 | 1728 | strlcpy(serial, value, serial_size); |
db1f069b | 1729 | else if (!strcasecmp(name, "location") && location) |
e53920b9 | 1730 | *location = strtol(value, NULL, 16); |
e53920b9 | 1731 | } |
e53920b9 | 1732 | } |
ef416fc2 | 1733 | |
ef416fc2 | 1734 | |
e53920b9 | 1735 | /*! |
1736 | * @function setup_cfLanguage | |
ac884b6a | 1737 | * @abstract Convert the contents of the CUPS 'APPLE_LANGUAGE' environment |
e53920b9 | 1738 | * variable into a one element CF array of languages. |
1739 | * | |
1740 | * @discussion Each submitted job comes with a natural language. CUPS passes | |
1741 | * that language in an environment variable. We take that language | |
1742 | * and jam it into the AppleLanguages array so that CF will use | |
1743 | * it when reading localized resources. We need to do this before | |
1744 | * any CF code reads and caches the languages array, so this function | |
1745 | * should be called early in main() | |
1746 | */ | |
1747 | static void setup_cfLanguage(void) | |
1748 | { | |
1749 | CFStringRef lang[1] = {NULL}; | |
1750 | CFArrayRef langArray = NULL; | |
1751 | const char *requestedLang = NULL; | |
1752 | ||
ac884b6a MS |
1753 | if ((requestedLang = getenv("APPLE_LANGUAGE")) == NULL) |
1754 | requestedLang = getenv("LANG"); | |
1755 | ||
09a101d6 | 1756 | if (requestedLang != NULL) |
1757 | { | |
e53920b9 | 1758 | lang[0] = CFStringCreateWithCString(kCFAllocatorDefault, requestedLang, kCFStringEncodingUTF8); |
1759 | langArray = CFArrayCreate(kCFAllocatorDefault, (const void **)lang, sizeof(lang) / sizeof(lang[0]), &kCFTypeArrayCallBacks); | |
1760 | ||
28b9d139 | 1761 | CFPreferencesSetValue(CFSTR("AppleLanguages"), langArray, kCFPreferencesCurrentApplication, kCFPreferencesAnyUser, kCFPreferencesAnyHost); |
005dd1eb | 1762 | fprintf(stderr, "DEBUG: usb: AppleLanguages=\"%s\"\n", requestedLang); |
e53920b9 | 1763 | |
1764 | CFRelease(lang[0]); | |
1765 | CFRelease(langArray); | |
e53920b9 | 1766 | } |
09a101d6 | 1767 | else |
ac884b6a | 1768 | fputs("DEBUG: usb: LANG and APPLE_LANGUAGE environment variables missing.\n", stderr); |
e53920b9 | 1769 | } |
ef416fc2 | 1770 | |
e53920b9 | 1771 | #pragma mark - |
749b1e90 | 1772 | #if defined(__i386__) || defined(__x86_64__) |
e53920b9 | 1773 | /*! |
749b1e90 | 1774 | * @function run_legacy_backend |
e53920b9 | 1775 | * |
749b1e90 | 1776 | * @abstract Starts child backend process running as a ppc or i386 executable. |
e53920b9 | 1777 | * |
1778 | * @result Never returns; always calls exit(). | |
1779 | * | |
09a101d6 | 1780 | * @discussion |
e53920b9 | 1781 | */ |
749b1e90 MS |
1782 | static void run_legacy_backend(int argc, |
1783 | char *argv[], | |
1784 | int fd) | |
e53920b9 | 1785 | { |
1786 | int i; | |
1787 | int exitstatus = 0; | |
1788 | int childstatus; | |
1789 | pid_t waitpid_status; | |
1790 | char *my_argv[32]; | |
749b1e90 | 1791 | char *usb_legacy_status; |
ef416fc2 | 1792 | |
749b1e90 MS |
1793 | /* |
1794 | * If we're running as x86_64 or i386 and couldn't load the class driver | |
1795 | * (because it's ppc or i386), then try to re-exec ourselves in ppc or i386 | |
1796 | * mode to try again. If we don't have a ppc or i386 architecture we may be | |
1797 | * running with the same architecture again so guard against this by setting | |
1798 | * and testing an environment variable... | |
1799 | */ | |
e53920b9 | 1800 | |
749b1e90 MS |
1801 | # ifdef __x86_64__ |
1802 | usb_legacy_status = getenv("USB_I386_STATUS"); | |
1803 | # else | |
1804 | usb_legacy_status = getenv("USB_PPC_STATUS"); | |
1805 | # endif /* __x86_64__ */ | |
1806 | ||
1807 | if (!usb_legacy_status) | |
09a101d6 | 1808 | { |
bc44d920 | 1809 | /* |
1810 | * Setup a SIGTERM handler then block it before forking... | |
1811 | */ | |
ef416fc2 | 1812 | |
ef55b745 | 1813 | int err; /* posix_spawn result */ |
bc44d920 | 1814 | struct sigaction action; /* POSIX signal action */ |
1815 | sigset_t newmask, /* New signal mask */ | |
1816 | oldmask; /* Old signal mask */ | |
58dc1933 MS |
1817 | char usbpath[1024]; /* Path to USB backend */ |
1818 | const char *cups_serverbin;/* Path to CUPS binaries */ | |
1819 | ||
bc44d920 | 1820 | |
1821 | memset(&action, 0, sizeof(action)); | |
1822 | sigaddset(&action.sa_mask, SIGTERM); | |
1823 | action.sa_handler = sigterm_handler; | |
1824 | sigaction(SIGTERM, &action, NULL); | |
1825 | ||
1826 | sigemptyset(&newmask); | |
1827 | sigaddset(&newmask, SIGTERM); | |
1828 | sigprocmask(SIG_BLOCK, &newmask, &oldmask); | |
ef416fc2 | 1829 | |
749b1e90 MS |
1830 | /* |
1831 | * Set the environment variable... | |
1832 | */ | |
bc44d920 | 1833 | |
749b1e90 MS |
1834 | # ifdef __x86_64__ |
1835 | setenv("USB_I386_STATUS", "1", false); | |
1836 | # else | |
1837 | setenv("USB_PPC_STATUS", "1", false); | |
1838 | # endif /* __x86_64__ */ | |
bc44d920 | 1839 | |
749b1e90 MS |
1840 | /* |
1841 | * Tell the kernel to use the specified CPU architecture... | |
1842 | */ | |
bc44d920 | 1843 | |
749b1e90 MS |
1844 | # ifdef __x86_64__ |
1845 | cpu_type_t cpu = CPU_TYPE_I386; | |
1846 | # else | |
1847 | cpu_type_t cpu = CPU_TYPE_POWERPC; | |
1848 | # endif /* __x86_64__ */ | |
9a4f8274 | 1849 | size_t ocount = 1; |
749b1e90 | 1850 | posix_spawnattr_t attrs; |
ef416fc2 | 1851 | |
749b1e90 MS |
1852 | if (!posix_spawnattr_init(&attrs)) |
1853 | { | |
b19ccc9e MS |
1854 | posix_spawnattr_setsigdefault(&attrs, &oldmask); |
1855 | if (posix_spawnattr_setbinpref_np(&attrs, 1, &cpu, &ocount) || ocount != 1) | |
9a4f8274 MS |
1856 | { |
1857 | # ifdef __x86_64__ | |
1858 | perror("DEBUG: Unable to set binary preference to i386"); | |
1859 | # else | |
1860 | perror("DEBUG: Unable to set binary preference to ppc"); | |
1861 | # endif /* __x86_64__ */ | |
4d301e69 | 1862 | _cupsLangPrintf(stderr, _("Unable to use legacy USB class driver\n")); |
9a4f8274 MS |
1863 | exit(CUPS_BACKEND_STOP); |
1864 | } | |
749b1e90 | 1865 | } |
bc44d920 | 1866 | |
749b1e90 MS |
1867 | /* |
1868 | * Set up the arguments and call posix_spawn... | |
1869 | */ | |
ef416fc2 | 1870 | |
58dc1933 MS |
1871 | if ((cups_serverbin = getenv("CUPS_SERVERBIN")) == NULL) |
1872 | cups_serverbin = CUPS_SERVERBIN; | |
1873 | snprintf(usbpath, sizeof(usbpath), "%s/backend/usb", cups_serverbin); | |
1874 | ||
749b1e90 MS |
1875 | for (i = 0; i < argc && i < (sizeof(my_argv) / sizeof(my_argv[0])) - 1; i ++) |
1876 | my_argv[i] = argv[i]; | |
ef416fc2 | 1877 | |
749b1e90 | 1878 | my_argv[i] = NULL; |
ef416fc2 | 1879 | |
ef55b745 MS |
1880 | if ((err = posix_spawn(&child_pid, usbpath, NULL, &attrs, my_argv, |
1881 | environ)) != 0) | |
09a101d6 | 1882 | { |
58dc1933 | 1883 | fprintf(stderr, "DEBUG: Unable to exec %s: %s\n", usbpath, |
ef55b745 | 1884 | strerror(err)); |
4d301e69 | 1885 | _cupsLangPrintf(stderr, _("Unable to use legacy USB class driver\n")); |
749b1e90 | 1886 | exit(CUPS_BACKEND_STOP); |
bc44d920 | 1887 | } |
e53920b9 | 1888 | |
bc44d920 | 1889 | /* |
1890 | * Unblock signals... | |
1891 | */ | |
e53920b9 | 1892 | |
bc44d920 | 1893 | sigprocmask(SIG_SETMASK, &oldmask, NULL); |
e53920b9 | 1894 | |
bc44d920 | 1895 | /* |
1896 | * Close the fds we won't be using then wait for the child backend to exit. | |
1897 | */ | |
1898 | ||
1899 | close(fd); | |
1900 | close(1); | |
1901 | ||
005dd1eb MS |
1902 | fprintf(stderr, "DEBUG: Started usb(legacy) backend (PID %d)\n", |
1903 | (int)child_pid); | |
bc44d920 | 1904 | |
1905 | while ((waitpid_status = waitpid(child_pid, &childstatus, 0)) == (pid_t)-1 && errno == EINTR) | |
1906 | usleep(1000); | |
1907 | ||
1908 | if (WIFSIGNALED(childstatus)) | |
1909 | { | |
749b1e90 | 1910 | exitstatus = CUPS_BACKEND_STOP; |
4d301e69 | 1911 | fprintf(stderr, "DEBUG: usb(legacy) backend %d crashed on signal %d\n", |
749b1e90 | 1912 | child_pid, WTERMSIG(childstatus)); |
ef416fc2 | 1913 | } |
09a101d6 | 1914 | else |
1915 | { | |
bc44d920 | 1916 | if ((exitstatus = WEXITSTATUS(childstatus)) != 0) |
005dd1eb | 1917 | fprintf(stderr, |
4d301e69 | 1918 | "DEBUG: usb(legacy) backend %d stopped with status %d\n", |
005dd1eb | 1919 | child_pid, exitstatus); |
bc44d920 | 1920 | else |
005dd1eb MS |
1921 | fprintf(stderr, "DEBUG: usb(legacy) backend %d exited with no errors\n", |
1922 | child_pid); | |
e53920b9 | 1923 | } |
1924 | } | |
09a101d6 | 1925 | else |
1926 | { | |
005dd1eb | 1927 | fputs("DEBUG: usb(legacy) backend running native again\n", stderr); |
749b1e90 | 1928 | exitstatus = CUPS_BACKEND_STOP; |
e53920b9 | 1929 | } |
ef416fc2 | 1930 | |
e53920b9 | 1931 | exit(exitstatus); |
1932 | } | |
ef416fc2 | 1933 | |
e53920b9 | 1934 | /* |
1935 | * 'sigterm_handler()' - SIGTERM handler. | |
1936 | */ | |
ef416fc2 | 1937 | |
f11a948a MS |
1938 | static void |
1939 | sigterm_handler(int sig) /* I - Signal */ | |
ef416fc2 | 1940 | { |
18ecb428 MS |
1941 | /* If we started a child process pass the signal on to it... |
1942 | */ | |
e53920b9 | 1943 | if (child_pid) |
f11a948a MS |
1944 | { |
1945 | /* | |
1946 | * If we started a child process pass the signal on to it... | |
1947 | */ | |
e53920b9 | 1948 | |
f11a948a MS |
1949 | int status; |
1950 | ||
1951 | kill(child_pid, sig); | |
1952 | while (waitpid(child_pid, &status, 0) < 0 && errno == EINTR); | |
ef416fc2 | 1953 | |
f11a948a MS |
1954 | if (WIFEXITED(status)) |
1955 | exit(WEXITSTATUS(status)); | |
1956 | else if (status == SIGTERM || status == SIGKILL) | |
1957 | exit(0); | |
1958 | else | |
1959 | { | |
4d301e69 | 1960 | fprintf(stderr, "DEBUG: Child crashed on signal %d\n", status); |
f11a948a MS |
1961 | exit(CUPS_BACKEND_STOP); |
1962 | } | |
1963 | } | |
f11a948a MS |
1964 | } |
1965 | ||
18ecb428 MS |
1966 | #endif /* __i386__ || __x86_64__ */ |
1967 | ||
ef416fc2 | 1968 | |
e53920b9 | 1969 | #ifdef PARSE_PS_ERRORS |
1970 | /* | |
1971 | * 'next_line()' - Find the next line in a buffer. | |
1972 | */ | |
ef416fc2 | 1973 | |
e53920b9 | 1974 | static const char *next_line (const char *buffer) |
ef416fc2 | 1975 | { |
e53920b9 | 1976 | const char *cptr, *lptr = NULL; |
ef416fc2 | 1977 | |
e53920b9 | 1978 | for (cptr = buffer; *cptr && lptr == NULL; cptr++) |
1979 | if (*cptr == '\n' || *cptr == '\r') | |
1980 | lptr = cptr; | |
1981 | return lptr; | |
ef416fc2 | 1982 | } |
1983 | ||
ef416fc2 | 1984 | |
e53920b9 | 1985 | /* |
1986 | * 'parse_pserror()' - Scan the backchannel data for postscript errors. | |
1987 | */ | |
ef416fc2 | 1988 | |
09a101d6 | 1989 | static void parse_pserror(char *sockBuffer, |
1990 | int len) | |
ef416fc2 | 1991 | { |
e53920b9 | 1992 | static char gErrorBuffer[1024] = ""; |
1993 | static char *gErrorBufferPtr = gErrorBuffer; | |
1994 | static char *gErrorBufferEndPtr = gErrorBuffer + sizeof(gErrorBuffer); | |
1995 | ||
1996 | char *pCommentBegin, *pCommentEnd, *pLineEnd; | |
1997 | char *logLevel; | |
1998 | char logstr[1024]; | |
1999 | int logstrlen; | |
2000 | ||
2001 | if (gErrorBufferPtr + len > gErrorBufferEndPtr - 1) | |
2002 | gErrorBufferPtr = gErrorBuffer; | |
2003 | if (len > sizeof(gErrorBuffer) - 1) | |
2004 | len = sizeof(gErrorBuffer) - 1; | |
2005 | ||
2006 | memcpy(gErrorBufferPtr, (const void *)sockBuffer, len); | |
2007 | gErrorBufferPtr += len; | |
2008 | *(gErrorBufferPtr + 1) = '\0'; | |
2009 | ||
e53920b9 | 2010 | pLineEnd = (char *)next_line((const char *)gErrorBuffer); |
09a101d6 | 2011 | while (pLineEnd != NULL) |
2012 | { | |
e53920b9 | 2013 | *pLineEnd++ = '\0'; |
2014 | ||
2015 | pCommentBegin = strstr(gErrorBuffer,"%%["); | |
2016 | pCommentEnd = strstr(gErrorBuffer, "]%%"); | |
09a101d6 | 2017 | if (pCommentBegin != gErrorBuffer && pCommentEnd != NULL) |
2018 | { | |
e53920b9 | 2019 | pCommentEnd += 3; /* Skip past "]%%" */ |
2020 | *pCommentEnd = '\0'; /* There's always room for the nul */ | |
2021 | ||
2022 | if (strncasecmp(pCommentBegin, "%%[ Error:", 10) == 0) | |
2023 | logLevel = "DEBUG"; | |
2024 | else if (strncasecmp(pCommentBegin, "%%[ Flushing", 12) == 0) | |
2025 | logLevel = "DEBUG"; | |
2026 | else | |
2027 | logLevel = "INFO"; | |
2028 | ||
09a101d6 | 2029 | if ((logstrlen = snprintf(logstr, sizeof(logstr), "%s: %s\n", logLevel, pCommentBegin)) >= sizeof(logstr)) |
2030 | { | |
e53920b9 | 2031 | /* If the string was trucnated make sure it has a linefeed before the nul */ |
2032 | logstrlen = sizeof(logstr) - 1; | |
2033 | logstr[logstrlen - 1] = '\n'; | |
2034 | } | |
2035 | write(STDERR_FILENO, logstr, logstrlen); | |
ef416fc2 | 2036 | } |
ef416fc2 | 2037 | |
e53920b9 | 2038 | /* move everything over... */ |
2039 | strcpy(gErrorBuffer, pLineEnd); | |
2040 | gErrorBufferPtr = gErrorBuffer; | |
2041 | pLineEnd = (char *)next_line((const char *)gErrorBuffer); | |
2042 | } | |
ef416fc2 | 2043 | } |
e53920b9 | 2044 | #endif /* PARSE_PS_ERRORS */ |
ef416fc2 | 2045 | |
e53920b9 | 2046 | |
2047 | /* | |
db1f069b | 2048 | * 'soft_reset()' - Send a soft reset to the device. |
ef416fc2 | 2049 | */ |
e53920b9 | 2050 | |
09a101d6 | 2051 | static void soft_reset() |
ef416fc2 | 2052 | { |
09a101d6 | 2053 | fd_set input_set; /* Input set for select() */ |
2054 | struct timeval stimeout; /* Timeout for select() */ | |
2055 | char buffer[2048]; /* Buffer */ | |
2056 | struct timespec cond_timeout; /* pthread condition timeout */ | |
e53920b9 | 2057 | |
09a101d6 | 2058 | /* |
2059 | * Send an abort once a second until the I/O lock is released by the main thread... | |
2060 | */ | |
e53920b9 | 2061 | |
09a101d6 | 2062 | pthread_mutex_lock(&g.readwrite_lock_mutex); |
2063 | while (g.readwrite_lock) | |
2064 | { | |
2065 | (*g.classdriver)->Abort(g.classdriver); | |
ef416fc2 | 2066 | |
09a101d6 | 2067 | cond_timeout.tv_sec = time(NULL) + 1; |
2068 | cond_timeout.tv_nsec = 0; | |
e53920b9 | 2069 | |
09a101d6 | 2070 | pthread_cond_timedwait(&g.readwrite_lock_cond, &g.readwrite_lock_mutex, &cond_timeout); |
2071 | } | |
f7deaa1a | 2072 | |
09a101d6 | 2073 | g.readwrite_lock = 1; |
2074 | pthread_mutex_unlock(&g.readwrite_lock_mutex); | |
f7deaa1a | 2075 | |
09a101d6 | 2076 | /* |
2077 | * Flush bytes waiting on print_fd... | |
2078 | */ | |
f7deaa1a | 2079 | |
09a101d6 | 2080 | g.print_bytes = 0; |
f7deaa1a | 2081 | |
09a101d6 | 2082 | FD_ZERO(&input_set); |
2083 | FD_SET(g.print_fd, &input_set); | |
f7deaa1a | 2084 | |
09a101d6 | 2085 | stimeout.tv_sec = 0; |
2086 | stimeout.tv_usec = 0; | |
f7deaa1a | 2087 | |
09a101d6 | 2088 | while (select(g.print_fd+1, &input_set, NULL, NULL, &stimeout) > 0) |
2089 | if (read(g.print_fd, buffer, sizeof(buffer)) <= 0) | |
2090 | break; | |
f7deaa1a | 2091 | |
09a101d6 | 2092 | /* |
2093 | * Send the reset... | |
2094 | */ | |
f7deaa1a | 2095 | |
7dfedb92 | 2096 | (*g.classdriver)->SoftReset(g.classdriver, DEFAULT_TIMEOUT); |
f7deaa1a | 2097 | |
09a101d6 | 2098 | /* |
2099 | * Release the I/O lock... | |
2100 | */ | |
f7deaa1a | 2101 | |
09a101d6 | 2102 | pthread_mutex_lock(&g.readwrite_lock_mutex); |
2103 | g.readwrite_lock = 0; | |
2104 | pthread_cond_signal(&g.readwrite_lock_cond); | |
2105 | pthread_mutex_unlock(&g.readwrite_lock_mutex); | |
f7deaa1a | 2106 | } |
2107 | ||
f7deaa1a | 2108 | |
2109 | /* | |
09a101d6 | 2110 | * 'get_device_id()' - Return IEEE-1284 device ID. |
f7deaa1a | 2111 | */ |
f7deaa1a | 2112 | |
09a101d6 | 2113 | static void get_device_id(cups_sc_status_t *status, |
2114 | char *data, | |
2115 | int *datalen) | |
2116 | { | |
f7deaa1a | 2117 | CFStringRef deviceIDString = NULL; |
2118 | ||
2119 | /* GetDeviceID */ | |
e38f5e9c MS |
2120 | copy_deviceid(g.classdriver, &deviceIDString); |
2121 | ||
09a101d6 | 2122 | if (deviceIDString) |
2123 | { | |
2124 | CFStringGetCString(deviceIDString, data, *datalen, kCFStringEncodingUTF8); | |
2125 | *datalen = strlen(data); | |
2126 | CFRelease(deviceIDString); | |
f7deaa1a | 2127 | } |
09a101d6 | 2128 | *status = CUPS_SC_STATUS_OK; |
f7deaa1a | 2129 | } |
2130 | ||
f7deaa1a | 2131 | |
2132 | /* | |
b19ccc9e | 2133 | * End of "$Id: usb-darwin.c 7953 2008-09-17 01:43:19Z mike $". |
ef416fc2 | 2134 | */ |