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a2c6b8b1 | 1 | /* |
efb2f309 | 2 | * "$Id: usb.c,v 1.21 2002/01/02 17:58:34 mike Exp $" |
a2c6b8b1 | 3 | * |
4 | * USB port backend for the Common UNIX Printing System (CUPS). | |
5 | * | |
efb2f309 | 6 | * Copyright 1997-2002 by Easy Software Products, all rights reserved. |
a2c6b8b1 | 7 | * |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636-3111 USA | |
19 | * | |
20 | * Voice: (301) 373-9603 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * Contents: | |
25 | * | |
26 | * main() - Send a file to the specified USB port. | |
27 | * list_devices() - List all USB devices. | |
28 | */ | |
29 | ||
30 | /* | |
31 | * Include necessary headers. | |
32 | */ | |
33 | ||
34 | #include <cups/cups.h> | |
35 | #include <stdio.h> | |
36 | #include <stdlib.h> | |
a3e17a89 | 37 | #include <errno.h> |
a2c6b8b1 | 38 | #include <cups/string.h> |
4ff40357 | 39 | #include <signal.h> |
a2c6b8b1 | 40 | |
41 | #if defined(WIN32) || defined(__EMX__) | |
42 | # include <io.h> | |
43 | #else | |
44 | # include <unistd.h> | |
45 | # include <fcntl.h> | |
46 | # include <termios.h> | |
47 | #endif /* WIN32 || __EMX__ */ | |
48 | ||
49 | ||
50 | /* | |
51 | * Local functions... | |
52 | */ | |
53 | ||
54 | void list_devices(void); | |
55 | ||
56 | ||
57 | /* | |
58 | * 'main()' - Send a file to the specified USB port. | |
59 | * | |
60 | * Usage: | |
61 | * | |
62 | * printer-uri job-id user title copies options [file] | |
63 | */ | |
64 | ||
65 | int /* O - Exit status */ | |
66 | main(int argc, /* I - Number of command-line arguments (6 or 7) */ | |
67 | char *argv[]) /* I - Command-line arguments */ | |
68 | { | |
69 | char method[255], /* Method in URI */ | |
70 | hostname[1024], /* Hostname */ | |
71 | username[255], /* Username info (not used) */ | |
72 | resource[1024], /* Resource info (device and options) */ | |
73 | *options; /* Pointer to options */ | |
74 | int port; /* Port number (not used) */ | |
75 | FILE *fp; /* Print file */ | |
76 | int copies; /* Number of copies to print */ | |
77 | int fd; /* Parallel device */ | |
1c33ff6a | 78 | int wbytes; /* Number of bytes written */ |
79 | size_t nbytes, /* Number of bytes read */ | |
a2c6b8b1 | 80 | tbytes; /* Total number of bytes written */ |
1c33ff6a | 81 | char buffer[8192], /* Output buffer */ |
82 | *bufptr; /* Pointer into buffer */ | |
a2c6b8b1 | 83 | struct termios opts; /* Parallel port options */ |
4ff40357 | 84 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
85 | struct sigaction action; /* Actions for POSIX signals */ | |
86 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
a2c6b8b1 | 87 | |
88 | ||
4b23f3b3 | 89 | /* |
90 | * Make sure status messages are not buffered... | |
91 | */ | |
92 | ||
93 | setbuf(stderr, NULL); | |
94 | ||
95 | /* | |
96 | * Check command-line... | |
97 | */ | |
98 | ||
a2c6b8b1 | 99 | if (argc == 1) |
100 | { | |
101 | list_devices(); | |
102 | return (0); | |
103 | } | |
104 | else if (argc < 6 || argc > 7) | |
105 | { | |
106 | fputs("Usage: USB job-id user title copies options [file]\n", stderr); | |
107 | return (1); | |
108 | } | |
109 | ||
110 | /* | |
111 | * If we have 7 arguments, print the file named on the command-line. | |
112 | * Otherwise, send stdin instead... | |
113 | */ | |
114 | ||
115 | if (argc == 6) | |
116 | { | |
117 | fp = stdin; | |
118 | copies = 1; | |
119 | } | |
120 | else | |
121 | { | |
122 | /* | |
123 | * Try to open the print file... | |
124 | */ | |
125 | ||
126 | if ((fp = fopen(argv[6], "rb")) == NULL) | |
127 | { | |
128 | perror("ERROR: unable to open print file"); | |
129 | return (1); | |
130 | } | |
131 | ||
132 | copies = atoi(argv[4]); | |
133 | } | |
134 | ||
135 | /* | |
136 | * Extract the device name and options from the URI... | |
137 | */ | |
138 | ||
139 | httpSeparate(argv[0], method, username, hostname, &port, resource); | |
140 | ||
141 | /* | |
142 | * See if there are any options... | |
143 | */ | |
144 | ||
145 | if ((options = strchr(resource, '?')) != NULL) | |
146 | { | |
147 | /* | |
148 | * Yup, terminate the device name string and move to the first | |
149 | * character of the options... | |
150 | */ | |
151 | ||
152 | *options++ = '\0'; | |
153 | } | |
154 | ||
155 | /* | |
156 | * Open the USB port device... | |
157 | */ | |
158 | ||
a3e17a89 | 159 | do |
a2c6b8b1 | 160 | { |
a3e17a89 | 161 | if ((fd = open(resource, O_WRONLY | O_EXCL)) == -1) |
162 | { | |
163 | if (errno == EBUSY) | |
164 | { | |
165 | fputs("INFO: USB port busy; will retry in 30 seconds...\n", stderr); | |
166 | sleep(30); | |
167 | } | |
168 | else | |
169 | { | |
170 | perror("ERROR: Unable to open USB port device file"); | |
171 | return (1); | |
172 | } | |
173 | } | |
a2c6b8b1 | 174 | } |
a3e17a89 | 175 | while (fd < 0); |
a2c6b8b1 | 176 | |
177 | /* | |
178 | * Set any options provided... | |
179 | */ | |
180 | ||
181 | tcgetattr(fd, &opts); | |
182 | ||
183 | opts.c_lflag &= ~(ICANON | ECHO | ISIG); /* Raw mode */ | |
184 | ||
185 | /**** No options supported yet ****/ | |
186 | ||
187 | tcsetattr(fd, TCSANOW, &opts); | |
188 | ||
4ff40357 | 189 | /* |
190 | * Now that we are "connected" to the port, ignore SIGTERM so that we | |
191 | * can finish out any page data the driver sends (e.g. to eject the | |
62f24dbf | 192 | * current page... Only ignore SIGTERM if we are printing data from |
193 | * stdin (otherwise you can't cancel raw jobs...) | |
4ff40357 | 194 | */ |
195 | ||
62f24dbf | 196 | if (argc < 7) |
197 | { | |
4ff40357 | 198 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ |
62f24dbf | 199 | sigset(SIGTERM, SIG_IGN); |
4ff40357 | 200 | #elif defined(HAVE_SIGACTION) |
62f24dbf | 201 | memset(&action, 0, sizeof(action)); |
4ff40357 | 202 | |
62f24dbf | 203 | sigemptyset(&action.sa_mask); |
204 | action.sa_handler = SIG_IGN; | |
205 | sigaction(SIGTERM, &action, NULL); | |
4ff40357 | 206 | #else |
62f24dbf | 207 | signal(SIGTERM, SIG_IGN); |
4ff40357 | 208 | #endif /* HAVE_SIGSET */ |
62f24dbf | 209 | } |
4ff40357 | 210 | |
a2c6b8b1 | 211 | /* |
212 | * Finally, send the print file... | |
213 | */ | |
214 | ||
215 | while (copies > 0) | |
216 | { | |
217 | copies --; | |
218 | ||
219 | if (fp != stdin) | |
220 | { | |
221 | fputs("PAGE: 1 1\n", stderr); | |
222 | rewind(fp); | |
223 | } | |
224 | ||
225 | tbytes = 0; | |
226 | while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0) | |
227 | { | |
228 | /* | |
229 | * Write the print data to the printer... | |
230 | */ | |
231 | ||
1c33ff6a | 232 | tbytes += nbytes; |
233 | bufptr = buffer; | |
234 | ||
235 | while (nbytes > 0) | |
a2c6b8b1 | 236 | { |
1c33ff6a | 237 | if ((wbytes = write(fd, bufptr, nbytes)) < 0) |
238 | if (errno == ENOTTY) | |
239 | wbytes = write(fd, bufptr, nbytes); | |
240 | ||
241 | if (wbytes < 0) | |
242 | { | |
243 | perror("ERROR: Unable to send print file to printer"); | |
244 | break; | |
245 | } | |
246 | ||
247 | nbytes -= wbytes; | |
248 | bufptr += wbytes; | |
a2c6b8b1 | 249 | } |
a2c6b8b1 | 250 | |
251 | if (argc > 6) | |
252 | fprintf(stderr, "INFO: Sending print file, %u bytes...\n", tbytes); | |
253 | } | |
254 | } | |
255 | ||
256 | /* | |
257 | * Close the socket connection and input file and return... | |
258 | */ | |
259 | ||
260 | close(fd); | |
261 | if (fp != stdin) | |
262 | fclose(fp); | |
263 | ||
264 | return (0); | |
265 | } | |
266 | ||
267 | ||
268 | /* | |
269 | * 'list_devices()' - List all USB devices. | |
270 | */ | |
271 | ||
272 | void | |
273 | list_devices(void) | |
274 | { | |
275 | #ifdef __linux | |
276 | int i; /* Looping var */ | |
a2c6b8b1 | 277 | int fd; /* File descriptor */ |
278 | char device[255]; /* Device filename */ | |
095ce1ee | 279 | FILE *probe; /* /proc/bus/usb/devices file */ |
a2c6b8b1 | 280 | char line[1024], /* Line from file */ |
281 | *delim, /* Delimiter in file */ | |
282 | make[IPP_MAX_NAME], /* Make from file */ | |
283 | model[IPP_MAX_NAME]; /* Model from file */ | |
284 | ||
285 | ||
095ce1ee | 286 | /* |
287 | * First try opening one of the USB devices to load the driver | |
288 | * module as needed... | |
289 | */ | |
290 | ||
291 | if ((fd = open("/dev/usb/lp0", O_WRONLY)) >= 0) | |
292 | close(fd); /* 2.3.x and 2.4.x */ | |
e2ff7d86 | 293 | else if ((fd = open("/dev/usb/usblp0", O_WRONLY)) >= 0) |
294 | close(fd); /* Mandrake 7.x */ | |
095ce1ee | 295 | else if ((fd = open("/dev/usblp0", O_WRONLY)) >= 0) |
296 | close(fd); /* 2.2.x */ | |
297 | ||
298 | /* | |
299 | * Then look at the device list for the USB bus... | |
300 | */ | |
301 | ||
a2c6b8b1 | 302 | if ((probe = fopen("/proc/bus/usb/devices", "r")) != NULL) |
303 | { | |
095ce1ee | 304 | /* |
305 | * Scan the device list... | |
306 | */ | |
307 | ||
0abffe2c | 308 | i = 0; |
a2c6b8b1 | 309 | |
310 | memset(make, 0, sizeof(make)); | |
311 | memset(model, 0, sizeof(model)); | |
312 | ||
313 | while (fgets(line, sizeof(line), probe) != NULL) | |
314 | { | |
315 | /* | |
316 | * Strip trailing newline. | |
317 | */ | |
318 | ||
319 | if ((delim = strrchr(line, '\n')) != NULL) | |
320 | *delim = '\0'; | |
321 | ||
322 | /* | |
323 | * See if it is a printer device ("P: ...") | |
324 | */ | |
325 | ||
0abffe2c | 326 | if (strncmp(line, "S:", 2) == 0) |
a2c6b8b1 | 327 | { |
328 | /* | |
329 | * String attribute... | |
330 | */ | |
331 | ||
332 | if (strncmp(line, "S: Manufacturer=", 17) == 0) | |
0abffe2c | 333 | { |
a2c6b8b1 | 334 | strncpy(make, line + 17, sizeof(make) - 1); |
0abffe2c | 335 | if (strcmp(make, "Hewlett-Packard") == 0) |
336 | strcpy(make, "HP"); | |
337 | } | |
a2c6b8b1 | 338 | else if (strncmp(line, "S: Product=", 12) == 0) |
339 | strncpy(model, line + 12, sizeof(model) - 1); | |
340 | } | |
0abffe2c | 341 | else if (strncmp(line, "I:", 2) == 0 && |
25488c69 | 342 | (strstr(line, "Driver=printer") != NULL || |
343 | strstr(line, "Driver=usblp") != NULL) && | |
0abffe2c | 344 | make[0] && model[0]) |
a2c6b8b1 | 345 | { |
346 | /* | |
347 | * We were processing a printer device; send the info out... | |
348 | */ | |
349 | ||
e2ff7d86 | 350 | sprintf(device, "/dev/usb/lp%d", i); |
351 | if (access(device, 0)) | |
352 | { | |
353 | sprintf(device, "/dev/usb/usblp%d", i); | |
354 | ||
355 | if (access(device, 0)) | |
356 | sprintf(device, "/dev/usblp%d", i); | |
357 | } | |
358 | ||
359 | printf("direct usb:%s \"%s %s\" \"USB Printer #%d\"\n", | |
360 | device, make, model, i + 1); | |
0abffe2c | 361 | |
a2c6b8b1 | 362 | i ++; |
363 | ||
364 | memset(make, 0, sizeof(make)); | |
365 | memset(model, 0, sizeof(model)); | |
366 | } | |
a2c6b8b1 | 367 | } |
368 | ||
369 | fclose(probe); | |
58781c85 | 370 | |
371 | /* | |
372 | * Write empty device listings for unused USB devices... | |
373 | */ | |
374 | ||
375 | for (; i < 16; i ++) | |
376 | { | |
377 | sprintf(device, "/dev/usb/lp%d", i); | |
378 | ||
379 | if (access(device, 0)) | |
380 | { | |
381 | sprintf(device, "/dev/usb/usblp%d", i); | |
382 | ||
383 | if (access(device, 0)) | |
384 | { | |
385 | sprintf(device, "/dev/usblp%d", i); | |
386 | ||
387 | if (access(device, 0)) | |
388 | continue; | |
389 | } | |
390 | } | |
391 | ||
392 | printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1); | |
393 | } | |
a2c6b8b1 | 394 | } |
395 | else | |
396 | { | |
095ce1ee | 397 | /* |
58781c85 | 398 | * Just check manually for USB devices... |
095ce1ee | 399 | */ |
400 | ||
58781c85 | 401 | for (i = 0; i < 16; i ++) |
a2c6b8b1 | 402 | { |
c6a53438 | 403 | sprintf(device, "/dev/usb/lp%d", i); |
67436e05 | 404 | |
58781c85 | 405 | if (access(device, 0)) |
e2ff7d86 | 406 | { |
58781c85 | 407 | sprintf(device, "/dev/usb/usblp%d", i); |
e2ff7d86 | 408 | |
58781c85 | 409 | if (access(device, 0)) |
410 | { | |
411 | sprintf(device, "/dev/usblp%d", i); | |
412 | ||
413 | if (access(device, 0)) | |
414 | continue; | |
415 | } | |
67436e05 | 416 | } |
58781c85 | 417 | |
418 | printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1); | |
a2c6b8b1 | 419 | } |
420 | } | |
421 | #elif defined(__sgi) | |
422 | #elif defined(__sun) | |
423 | #elif defined(__hpux) | |
424 | #elif defined(__osf) | |
bf18d74f | 425 | #elif defined(__FreeBSD__) |
a3e17a89 | 426 | int i; /* Looping var */ |
a3e17a89 | 427 | char device[255]; /* Device filename */ |
428 | ||
b43fa007 | 429 | |
a3e17a89 | 430 | for (i = 0; i < 3; i ++) |
431 | { | |
11ef26a3 | 432 | sprintf(device, "/dev/unlpt%d", i); |
58781c85 | 433 | if (!access(device, 0)) |
434 | printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1); | |
a3e17a89 | 435 | } |
bf18d74f | 436 | #elif defined(__NetBSD__) || defined(__OpenBSD__) |
437 | int i; /* Looping var */ | |
bf18d74f | 438 | char device[255]; /* Device filename */ |
439 | ||
440 | ||
441 | for (i = 0; i < 3; i ++) | |
442 | { | |
443 | sprintf(device, "/dev/ulpt%d", i); | |
58781c85 | 444 | if (!access(device, 0)) |
445 | printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1); | |
bf18d74f | 446 | } |
447 | #endif | |
a2c6b8b1 | 448 | } |
449 | ||
450 | ||
451 | /* | |
efb2f309 | 452 | * End of "$Id: usb.c,v 1.21 2002/01/02 17:58:34 mike Exp $". |
a2c6b8b1 | 453 | */ |