]>
Commit | Line | Data |
---|---|---|
43e2fc22 | 1 | /* |
c9d3f842 | 2 | * "$Id$" |
43e2fc22 | 3 | * |
4c4eea89 | 4 | * Line Printer Daemon backend for CUPS. |
43e2fc22 | 5 | * |
71bfc131 | 6 | * Copyright 2007-2012 by Apple Inc. |
097a2a84 | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
43e2fc22 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
4e8d321f | 10 | * property of Apple Inc. and are protected by Federal copyright |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
43e2fc22 | 12 | * "LICENSE" which should have been included with this file. If this |
4e8d321f | 13 | * file is missing or damaged, see the license at "http://www.cups.org/". |
43e2fc22 | 14 | * |
dab1a4d8 | 15 | * This file is subject to the Apple OS-Developed Software exception. |
16 | * | |
43e2fc22 | 17 | * Contents: |
18 | * | |
55737cf0 | 19 | * main() - Send a file to the printer or server. |
20 | * lpd_command() - Send an LPR command sequence and wait for a reply. | |
21 | * lpd_queue() - Queue a file using the Line Printer Daemon protocol. | |
55737cf0 | 22 | * lpd_write() - Write a buffer of data to an LPD server. |
7c298ddc | 23 | * rresvport_af() - A simple implementation of rresvport_af(). |
55737cf0 | 24 | * sigterm_handler() - Handle 'terminate' signals that stop the backend. |
e73c6c0a | 25 | */ |
26 | ||
27 | /* | |
28 | * Include necessary headers. | |
29 | */ | |
30 | ||
6ca34e4e | 31 | #include <cups/http-private.h> |
eab5b04e | 32 | #include "backend-private.h" |
e73c6c0a | 33 | #include <stdarg.h> |
e73c6c0a | 34 | #include <sys/types.h> |
35 | #include <sys/stat.h> | |
8962df79 | 36 | #include <stdio.h> |
e73c6c0a | 37 | |
c3026ddc | 38 | #ifdef WIN32 |
e73c6c0a | 39 | # include <winsock.h> |
40 | #else | |
41 | # include <sys/socket.h> | |
42 | # include <netinet/in.h> | |
43 | # include <arpa/inet.h> | |
44 | # include <netdb.h> | |
c3026ddc | 45 | #endif /* WIN32 */ |
41ed0c21 | 46 | #ifdef __APPLE__ |
47 | # include <CoreFoundation/CFNumber.h> | |
48 | # include <CoreFoundation/CFPreferences.h> | |
49 | #endif /* __APPLE__ */ | |
e73c6c0a | 50 | |
55d0f521 | 51 | |
55737cf0 | 52 | /* |
53 | * Globals... | |
54 | */ | |
55 | ||
56 | static char tmpfilename[1024] = ""; /* Temporary spool file name */ | |
1479646d | 57 | static int abort_job = 0; /* Non-zero if we get SIGTERM */ |
55737cf0 | 58 | |
59 | ||
097a2a84 | 60 | /* |
61 | * Print mode... | |
62 | */ | |
63 | ||
64 | #define MODE_STANDARD 0 /* Queue a copy */ | |
65 | #define MODE_STREAM 1 /* Stream a copy */ | |
66 | ||
67 | ||
f8529e1a | 68 | /* |
69 | * The order for control and data files in LPD requests... | |
70 | */ | |
71 | ||
2e55212e | 72 | #define ORDER_CONTROL_DATA 0 /* Control file first, then data */ |
73 | #define ORDER_DATA_CONTROL 1 /* Data file first, then control */ | |
74 | ||
75 | ||
76 | /* | |
77 | * What to reserve... | |
78 | */ | |
79 | ||
80 | #define RESERVE_NONE 0 /* Don't reserve a priviledged port */ | |
81 | #define RESERVE_RFC1179 1 /* Reserve port 721-731 */ | |
82 | #define RESERVE_ANY 2 /* Reserve port 1-1023 */ | |
f8529e1a | 83 | |
84 | ||
e73c6c0a | 85 | /* |
86 | * Local functions... | |
87 | */ | |
88 | ||
71bfc131 | 89 | static int lpd_command(int lpd_fd, char *format, ...); |
cce0044f | 90 | static int lpd_queue(const char *hostname, http_addrlist_t *addrlist, |
91 | const char *printer, int print_fd, int snmp_fd, | |
92 | int mode, const char *user, const char *title, | |
93 | int copies, int banner, int format, int order, | |
94 | int reserve, int manual_copies, int timeout, | |
9e7d65d4 | 95 | int contimeout, const char *orighost); |
f8529e1a | 96 | static int lpd_write(int lpd_fd, char *buffer, int length); |
309a8d03 | 97 | #ifndef HAVE_RRESVPORT_AF |
ffc272ef | 98 | static int rresvport_af(int *port, int family); |
309a8d03 | 99 | #endif /* !HAVE_RRESVPORT_AF */ |
55737cf0 | 100 | static void sigterm_handler(int sig); |
e73c6c0a | 101 | |
102 | ||
103 | /* | |
104 | * 'main()' - Send a file to the printer or server. | |
43e2fc22 | 105 | * |
e73c6c0a | 106 | * Usage: |
43e2fc22 | 107 | * |
e73c6c0a | 108 | * printer-uri job-id user title copies options [file] |
43e2fc22 | 109 | */ |
110 | ||
55737cf0 | 111 | int /* O - Exit status */ |
112 | main(int argc, /* I - Number of command-line arguments (6 or 7) */ | |
113 | char *argv[]) /* I - Command-line arguments */ | |
e73c6c0a | 114 | { |
cda2b561 | 115 | const char *device_uri; /* Device URI */ |
9fa9ba8f | 116 | char scheme[255], /* Scheme in URI */ |
eab5b04e | 117 | hostname[1024], /* Hostname */ |
118 | username[255], /* Username info */ | |
119 | resource[1024], /* Resource info (printer name) */ | |
120 | *options, /* Pointer to options */ | |
121 | *name, /* Name of option */ | |
122 | *value, /* Value of option */ | |
123 | sep, /* Separator character */ | |
124 | *filename, /* File to print */ | |
125 | title[256]; /* Title string */ | |
126 | int port; /* Port number */ | |
cce0044f | 127 | char portname[256]; /* Port name (string) */ |
128 | http_addrlist_t *addrlist; /* List of addresses for printer */ | |
bd08ee89 | 129 | int snmp_enabled = 1; /* Is SNMP enabled? */ |
cce0044f | 130 | int snmp_fd; /* SNMP socket */ |
eab5b04e | 131 | int fd; /* Print file */ |
132 | int status; /* Status of LPD job */ | |
133 | int mode; /* Print mode */ | |
134 | int banner; /* Print banner page? */ | |
135 | int format; /* Print format */ | |
136 | int order; /* Order of control/data files */ | |
137 | int reserve; /* Reserve priviledged port? */ | |
138 | int sanitize_title; /* Sanitize title string? */ | |
139 | int manual_copies, /* Do manual copies? */ | |
140 | timeout, /* Timeout */ | |
141 | contimeout, /* Connection timeout */ | |
142 | copies; /* Number of copies */ | |
0663fa1c | 143 | ssize_t bytes = 0; /* Initial bytes read */ |
7b64ad64 | 144 | char buffer[16384]; /* Initial print buffer */ |
73c53f5d | 145 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
eab5b04e | 146 | struct sigaction action; /* Actions for POSIX signals */ |
73c53f5d | 147 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ |
9e7d65d4 | 148 | int num_jobopts; /* Number of job options */ |
149 | cups_option_t *jobopts = NULL; /* Job options */ | |
e73c6c0a | 150 | |
151 | ||
4b23f3b3 | 152 | /* |
153 | * Make sure status messages are not buffered... | |
154 | */ | |
155 | ||
156 | setbuf(stderr, NULL); | |
157 | ||
98904cd6 | 158 | /* |
55737cf0 | 159 | * Ignore SIGPIPE and catch SIGTERM signals... |
98904cd6 | 160 | */ |
161 | ||
162 | #ifdef HAVE_SIGSET | |
163 | sigset(SIGPIPE, SIG_IGN); | |
55737cf0 | 164 | sigset(SIGTERM, sigterm_handler); |
98904cd6 | 165 | #elif defined(HAVE_SIGACTION) |
166 | memset(&action, 0, sizeof(action)); | |
167 | action.sa_handler = SIG_IGN; | |
168 | sigaction(SIGPIPE, &action, NULL); | |
55737cf0 | 169 | |
170 | sigemptyset(&action.sa_mask); | |
171 | sigaddset(&action.sa_mask, SIGTERM); | |
172 | action.sa_handler = sigterm_handler; | |
173 | sigaction(SIGTERM, &action, NULL); | |
98904cd6 | 174 | #else |
175 | signal(SIGPIPE, SIG_IGN); | |
55737cf0 | 176 | signal(SIGTERM, sigterm_handler); |
98904cd6 | 177 | #endif /* HAVE_SIGSET */ |
178 | ||
4b23f3b3 | 179 | /* |
180 | * Check command-line... | |
181 | */ | |
182 | ||
68edc300 | 183 | if (argc == 1) |
184 | { | |
3037604c | 185 | printf("network lpd \"Unknown\" \"%s\"\n", |
186 | _cupsLangString(cupsLangDefault(), _("LPD/LPR Host or Printer"))); | |
6248387b | 187 | return (CUPS_BACKEND_OK); |
68edc300 | 188 | } |
189 | else if (argc < 6 || argc > 7) | |
e73c6c0a | 190 | { |
472af6f3 | 191 | _cupsLangPrintf(stderr, |
4c4eea89 | 192 | _("Usage: %s job-id user title copies options [file]"), |
472af6f3 | 193 | argv[0]); |
6248387b | 194 | return (CUPS_BACKEND_FAILED); |
e73c6c0a | 195 | } |
196 | ||
9e7d65d4 | 197 | num_jobopts = cupsParseOptions(argv[5], 0, &jobopts); |
198 | ||
e73c6c0a | 199 | /* |
200 | * Extract the hostname and printer name from the URI... | |
201 | */ | |
202 | ||
04c7bec1 | 203 | while ((device_uri = cupsBackendDeviceURI(argv)) == NULL) |
204 | { | |
205 | _cupsLangPrintFilter(stderr, "INFO", _("Unable to locate printer.")); | |
206 | sleep(10); | |
207 | ||
208 | if (getenv("CLASS") != NULL) | |
209 | return (CUPS_BACKEND_FAILED); | |
210 | } | |
cda2b561 | 211 | |
9fa9ba8f | 212 | httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme), |
213 | username, sizeof(username), hostname, sizeof(hostname), &port, | |
0e66904d | 214 | resource, sizeof(resource)); |
e73c6c0a | 215 | |
6df6deaf | 216 | if (!port) |
217 | port = 515; /* Default to port 515 */ | |
218 | ||
a89836ef | 219 | if (!username[0]) |
220 | { | |
221 | /* | |
222 | * If no username is in the device URI, then use the print job user... | |
223 | */ | |
224 | ||
225 | strlcpy(username, argv[2], sizeof(username)); | |
226 | } | |
227 | ||
72a039d0 | 228 | /* |
229 | * See if there are any options... | |
230 | */ | |
231 | ||
097a2a84 | 232 | mode = MODE_STANDARD; |
41ed0c21 | 233 | banner = 0; |
234 | format = 'l'; | |
235 | order = ORDER_CONTROL_DATA; | |
236 | reserve = RESERVE_ANY; | |
237 | manual_copies = 1; | |
238 | timeout = 300; | |
239 | contimeout = 7 * 24 * 60 * 60; | |
72a039d0 | 240 | |
41ed0c21 | 241 | #ifdef __APPLE__ |
ff0295f0 | 242 | /* |
04c7bec1 | 243 | * We want to pass UTF-8 characters by default, not re-map them (3071945) |
ff0295f0 | 244 | */ |
245 | ||
41ed0c21 | 246 | sanitize_title = 0; |
04c7bec1 | 247 | #else |
ff0295f0 | 248 | /* |
04c7bec1 | 249 | * Otherwise we want to re-map UTF-8 to "safe" characters by default... |
ff0295f0 | 250 | */ |
251 | ||
41ed0c21 | 252 | sanitize_title = 1; |
253 | #endif /* __APPLE__ */ | |
9b6deb15 | 254 | |
72a039d0 | 255 | if ((options = strchr(resource, '?')) != NULL) |
256 | { | |
257 | /* | |
258 | * Yup, terminate the device name string and move to the first | |
259 | * character of the options... | |
260 | */ | |
261 | ||
262 | *options++ = '\0'; | |
263 | ||
264 | /* | |
265 | * Parse options... | |
266 | */ | |
267 | ||
268 | while (*options) | |
269 | { | |
270 | /* | |
271 | * Get the name... | |
272 | */ | |
273 | ||
abd1f85f | 274 | name = options; |
72a039d0 | 275 | |
abd1f85f | 276 | while (*options && *options != '=' && *options != '+' && *options != '&') |
277 | options ++; | |
278 | ||
279 | if ((sep = *options) != '\0') | |
280 | *options++ = '\0'; | |
281 | ||
282 | if (sep == '=') | |
72a039d0 | 283 | { |
284 | /* | |
285 | * Get the value... | |
286 | */ | |
287 | ||
abd1f85f | 288 | value = options; |
72a039d0 | 289 | |
abd1f85f | 290 | while (*options && *options != '+' && *options != '&') |
72a039d0 | 291 | options ++; |
abd1f85f | 292 | |
293 | if (*options) | |
294 | *options++ = '\0'; | |
72a039d0 | 295 | } |
296 | else | |
abd1f85f | 297 | value = (char *)""; |
72a039d0 | 298 | |
299 | /* | |
300 | * Process the option... | |
301 | */ | |
302 | ||
c6fab96f | 303 | if (!_cups_strcasecmp(name, "banner")) |
72a039d0 | 304 | { |
305 | /* | |
306 | * Set the banner... | |
307 | */ | |
308 | ||
c6fab96f | 309 | banner = !value[0] || !_cups_strcasecmp(value, "on") || |
310 | !_cups_strcasecmp(value, "yes") || !_cups_strcasecmp(value, "true"); | |
72a039d0 | 311 | } |
c6fab96f | 312 | else if (!_cups_strcasecmp(name, "format") && value[0]) |
72a039d0 | 313 | { |
314 | /* | |
315 | * Set output format... | |
316 | */ | |
317 | ||
41ed0c21 | 318 | if (strchr("cdfglnoprtv", value[0])) |
72a039d0 | 319 | format = value[0]; |
320 | else | |
4c4eea89 | 321 | _cupsLangPrintFilter(stderr, "ERROR", |
322 | _("Unknown format character: \"%c\"."), | |
323 | value[0]); | |
72a039d0 | 324 | } |
c6fab96f | 325 | else if (!_cups_strcasecmp(name, "mode") && value[0]) |
097a2a84 | 326 | { |
327 | /* | |
328 | * Set control/data order... | |
329 | */ | |
330 | ||
c6fab96f | 331 | if (!_cups_strcasecmp(value, "standard")) |
9a44badf | 332 | mode = MODE_STANDARD; |
c6fab96f | 333 | else if (!_cups_strcasecmp(value, "stream")) |
9a44badf | 334 | mode = MODE_STREAM; |
097a2a84 | 335 | else |
4c4eea89 | 336 | _cupsLangPrintFilter(stderr, "ERROR", |
337 | _("Unknown print mode: \"%s\"."), value); | |
097a2a84 | 338 | } |
c6fab96f | 339 | else if (!_cups_strcasecmp(name, "order") && value[0]) |
f8529e1a | 340 | { |
341 | /* | |
342 | * Set control/data order... | |
343 | */ | |
344 | ||
c6fab96f | 345 | if (!_cups_strcasecmp(value, "control,data")) |
f8529e1a | 346 | order = ORDER_CONTROL_DATA; |
c6fab96f | 347 | else if (!_cups_strcasecmp(value, "data,control")) |
f8529e1a | 348 | order = ORDER_DATA_CONTROL; |
349 | else | |
4c4eea89 | 350 | _cupsLangPrintFilter(stderr, "ERROR", |
351 | _("Unknown file order: \"%s\"."), value); | |
f8529e1a | 352 | } |
c6fab96f | 353 | else if (!_cups_strcasecmp(name, "reserve")) |
9ba7fc54 | 354 | { |
355 | /* | |
356 | * Set port reservation mode... | |
357 | */ | |
358 | ||
c6fab96f | 359 | if (!value[0] || !_cups_strcasecmp(value, "on") || |
bd08ee89 | 360 | !_cups_strcasecmp(value, "yes") || |
361 | !_cups_strcasecmp(value, "true") || | |
c6fab96f | 362 | !_cups_strcasecmp(value, "rfc1179")) |
2e55212e | 363 | reserve = RESERVE_RFC1179; |
c6fab96f | 364 | else if (!_cups_strcasecmp(value, "any")) |
2e55212e | 365 | reserve = RESERVE_ANY; |
366 | else | |
367 | reserve = RESERVE_NONE; | |
9ba7fc54 | 368 | } |
c6fab96f | 369 | else if (!_cups_strcasecmp(name, "manual_copies")) |
04e01993 | 370 | { |
371 | /* | |
55737cf0 | 372 | * Set manual copies... |
04e01993 | 373 | */ |
374 | ||
c6fab96f | 375 | manual_copies = !value[0] || !_cups_strcasecmp(value, "on") || |
bd08ee89 | 376 | !_cups_strcasecmp(value, "yes") || |
377 | !_cups_strcasecmp(value, "true"); | |
04e01993 | 378 | } |
c6fab96f | 379 | else if (!_cups_strcasecmp(name, "sanitize_title")) |
55737cf0 | 380 | { |
381 | /* | |
382 | * Set sanitize title... | |
383 | */ | |
384 | ||
c6fab96f | 385 | sanitize_title = !value[0] || !_cups_strcasecmp(value, "on") || |
bd08ee89 | 386 | !_cups_strcasecmp(value, "yes") || |
387 | !_cups_strcasecmp(value, "true"); | |
388 | } | |
389 | else if (!_cups_strcasecmp(name, "snmp")) | |
390 | { | |
391 | /* | |
392 | * Enable/disable SNMP stuff... | |
393 | */ | |
394 | ||
395 | snmp_enabled = !value[0] || !_cups_strcasecmp(value, "on") || | |
396 | _cups_strcasecmp(value, "yes") || | |
397 | _cups_strcasecmp(value, "true"); | |
55737cf0 | 398 | } |
c6fab96f | 399 | else if (!_cups_strcasecmp(name, "timeout")) |
55737cf0 | 400 | { |
401 | /* | |
402 | * Set the timeout... | |
403 | */ | |
404 | ||
405 | if (atoi(value) > 0) | |
406 | timeout = atoi(value); | |
407 | } | |
c6fab96f | 408 | else if (!_cups_strcasecmp(name, "contimeout")) |
41ed0c21 | 409 | { |
410 | /* | |
ff0295f0 | 411 | * Set the connection timeout... |
41ed0c21 | 412 | */ |
413 | ||
414 | if (atoi(value) > 0) | |
415 | contimeout = atoi(value); | |
416 | } | |
72a039d0 | 417 | } |
418 | } | |
419 | ||
097a2a84 | 420 | if (mode == MODE_STREAM) |
421 | order = ORDER_CONTROL_DATA; | |
422 | ||
cce0044f | 423 | /* |
424 | * Find the printer... | |
425 | */ | |
426 | ||
427 | snprintf(portname, sizeof(portname), "%d", port); | |
428 | ||
429 | fputs("STATE: +connecting-to-device\n", stderr); | |
430 | fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname); | |
431 | ||
432 | while ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL) | |
433 | { | |
434 | _cupsLangPrintFilter(stderr, "INFO", | |
435 | _("Unable to locate printer \"%s\"."), hostname); | |
436 | sleep(10); | |
437 | ||
438 | if (getenv("CLASS") != NULL) | |
439 | { | |
440 | fputs("STATE: -connecting-to-device\n", stderr); | |
441 | exit(CUPS_BACKEND_FAILED); | |
442 | } | |
443 | } | |
444 | ||
bd08ee89 | 445 | if (snmp_enabled) |
446 | snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family); | |
447 | else | |
448 | snmp_fd = -1; | |
cce0044f | 449 | |
450 | /* | |
451 | * Wait for data from the filter... | |
452 | */ | |
453 | ||
454 | if (argc == 6) | |
0663fa1c | 455 | { |
ad6d7ec9 | 456 | if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB)) |
cce0044f | 457 | return (CUPS_BACKEND_OK); |
0663fa1c | 458 | else if (mode == MODE_STANDARD && |
459 | (bytes = read(0, buffer, sizeof(buffer))) <= 0) | |
460 | return (CUPS_BACKEND_OK); | |
461 | } | |
cce0044f | 462 | |
097a2a84 | 463 | /* |
464 | * If we have 7 arguments, print the file named on the command-line. | |
465 | * Otherwise, copy stdin to a temporary file and print the temporary | |
466 | * file. | |
467 | */ | |
468 | ||
469 | if (argc == 6 && mode == MODE_STANDARD) | |
470 | { | |
471 | /* | |
472 | * Copy stdin to a temporary file... | |
473 | */ | |
474 | ||
097a2a84 | 475 | if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0) |
476 | { | |
8962df79 | 477 | perror("DEBUG: Unable to create temporary file"); |
097a2a84 | 478 | return (CUPS_BACKEND_FAILED); |
479 | } | |
480 | ||
4c4eea89 | 481 | _cupsLangPrintFilter(stderr, "INFO", _("Copying print data.")); |
25d3354e | 482 | |
0663fa1c | 483 | if (bytes > 0) |
484 | write(fd, buffer, bytes); | |
485 | ||
7b64ad64 | 486 | backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0, |
0592de24 | 487 | backendNetworkSideCB); |
097a2a84 | 488 | } |
489 | else if (argc == 6) | |
490 | { | |
491 | /* | |
492 | * Stream from stdin... | |
493 | */ | |
494 | ||
495 | filename = NULL; | |
496 | fd = 0; | |
497 | } | |
498 | else | |
499 | { | |
500 | filename = argv[6]; | |
501 | fd = open(filename, O_RDONLY); | |
502 | ||
503 | if (fd == -1) | |
504 | { | |
4c4eea89 | 505 | _cupsLangPrintError("ERROR", _("Unable to open print file")); |
097a2a84 | 506 | return (CUPS_BACKEND_FAILED); |
507 | } | |
508 | } | |
509 | ||
8056639c | 510 | /* |
511 | * Sanitize the document title... | |
512 | */ | |
513 | ||
def978d5 | 514 | strlcpy(title, argv[3], sizeof(title)); |
8056639c | 515 | |
55737cf0 | 516 | if (sanitize_title) |
517 | { | |
518 | /* | |
519 | * Sanitize the title string so that we don't cause problems on | |
520 | * the remote end... | |
521 | */ | |
522 | ||
abd1f85f | 523 | char *ptr; |
524 | ||
55737cf0 | 525 | for (ptr = title; *ptr; ptr ++) |
da275f55 | 526 | if (!isalnum(*ptr & 255) && !isspace(*ptr & 255)) |
55737cf0 | 527 | *ptr = '_'; |
528 | } | |
8056639c | 529 | |
e73c6c0a | 530 | /* |
531 | * Queue the job... | |
532 | */ | |
533 | ||
3f9cb6c6 | 534 | if (argc > 6) |
535 | { | |
04e01993 | 536 | if (manual_copies) |
537 | { | |
538 | manual_copies = atoi(argv[4]); | |
539 | copies = 1; | |
540 | } | |
541 | else | |
542 | { | |
543 | manual_copies = 1; | |
544 | copies = atoi(argv[4]); | |
545 | } | |
546 | ||
cce0044f | 547 | status = lpd_queue(hostname, addrlist, resource + 1, fd, snmp_fd, mode, |
548 | username, title, copies, banner, format, order, reserve, | |
9e7d65d4 | 549 | manual_copies, timeout, contimeout, |
550 | cupsGetOption("job-originating-host-name", num_jobopts, | |
551 | jobopts)); | |
3f9cb6c6 | 552 | |
553 | if (!status) | |
554 | fprintf(stderr, "PAGE: 1 %d\n", atoi(argv[4])); | |
555 | } | |
556 | else | |
cce0044f | 557 | status = lpd_queue(hostname, addrlist, resource + 1, fd, snmp_fd, mode, |
558 | username, title, 1, banner, format, order, reserve, 1, | |
9e7d65d4 | 559 | timeout, contimeout, |
560 | cupsGetOption("job-originating-host-name", num_jobopts, | |
561 | jobopts)); | |
e73c6c0a | 562 | |
563 | /* | |
564 | * Remove the temporary file if necessary... | |
565 | */ | |
566 | ||
55737cf0 | 567 | if (tmpfilename[0]) |
568 | unlink(tmpfilename); | |
e73c6c0a | 569 | |
097a2a84 | 570 | if (fd) |
571 | close(fd); | |
572 | ||
cce0044f | 573 | if (snmp_fd >= 0) |
574 | _cupsSNMPClose(snmp_fd); | |
575 | ||
e73c6c0a | 576 | /* |
577 | * Return the queue status... | |
578 | */ | |
579 | ||
580 | return (status); | |
581 | } | |
582 | ||
583 | ||
43e2fc22 | 584 | /* |
e73c6c0a | 585 | * 'lpd_command()' - Send an LPR command sequence and wait for a reply. |
43e2fc22 | 586 | */ |
587 | ||
e73c6c0a | 588 | static int /* O - Status of command */ |
589 | lpd_command(int fd, /* I - Socket connection to LPD host */ | |
590 | char *format, /* I - printf()-style format string */ | |
591 | ...) /* I - Additional args as necessary */ | |
592 | { | |
593 | va_list ap; /* Argument pointer */ | |
594 | char buf[1024]; /* Output buffer */ | |
595 | int bytes; /* Number of bytes to output */ | |
596 | char status; /* Status from command */ | |
597 | ||
598 | ||
1479646d | 599 | /* |
cce0044f | 600 | * Don't try to send commands if the job has been canceled... |
1479646d | 601 | */ |
602 | ||
603 | if (abort_job) | |
604 | return (-1); | |
605 | ||
e73c6c0a | 606 | /* |
607 | * Format the string... | |
608 | */ | |
609 | ||
610 | va_start(ap, format); | |
6a536282 | 611 | bytes = vsnprintf(buf, sizeof(buf), format, ap); |
e73c6c0a | 612 | va_end(ap); |
613 | ||
d21a7597 | 614 | fprintf(stderr, "DEBUG: lpd_command %2.2x %s", buf[0], buf + 1); |
e73c6c0a | 615 | |
616 | /* | |
617 | * Send the command... | |
618 | */ | |
619 | ||
85e96ec0 | 620 | fprintf(stderr, "DEBUG: Sending command string (%d bytes)...\n", bytes); |
621 | ||
f8529e1a | 622 | if (lpd_write(fd, buf, bytes) < bytes) |
55737cf0 | 623 | { |
8962df79 | 624 | perror("DEBUG: Unable to send LPD command"); |
e73c6c0a | 625 | return (-1); |
55737cf0 | 626 | } |
e73c6c0a | 627 | |
628 | /* | |
629 | * Read back the status from the command and return it... | |
630 | */ | |
631 | ||
ff0295f0 | 632 | fputs("DEBUG: Reading command status...\n", stderr); |
85e96ec0 | 633 | |
e73c6c0a | 634 | if (recv(fd, &status, 1, 0) < 1) |
55737cf0 | 635 | { |
d326343a | 636 | _cupsLangPrintFilter(stderr, "WARNING", _("The printer did not respond.")); |
1aef57ed | 637 | status = errno; |
55737cf0 | 638 | } |
e73c6c0a | 639 | |
c8f9565c | 640 | fprintf(stderr, "DEBUG: lpd_command returning %d\n", status); |
e73c6c0a | 641 | |
642 | return (status); | |
643 | } | |
644 | ||
645 | ||
646 | /* | |
647 | * 'lpd_queue()' - Queue a file using the Line Printer Daemon protocol. | |
648 | */ | |
649 | ||
55737cf0 | 650 | static int /* O - Zero on success, non-zero on failure */ |
cce0044f | 651 | lpd_queue(const char *hostname, /* I - Host to connect to */ |
652 | http_addrlist_t *addrlist, /* I - List of host addresses */ | |
653 | const char *printer, /* I - Printer/queue name */ | |
654 | int print_fd, /* I - File to print */ | |
655 | int snmp_fd, /* I - SNMP socket */ | |
656 | int mode, /* I - Print mode */ | |
657 | const char *user, /* I - Requesting user */ | |
658 | const char *title, /* I - Job title */ | |
659 | int copies, /* I - Number of copies */ | |
660 | int banner, /* I - Print LPD banner? */ | |
661 | int format, /* I - Format specifier */ | |
662 | int order, /* I - Order of data/control files */ | |
663 | int reserve, /* I - Reserve ports? */ | |
664 | int manual_copies,/* I - Do copies by hand... */ | |
665 | int timeout, /* I - Timeout... */ | |
9e7d65d4 | 666 | int contimeout, /* I - Connection timeout */ |
667 | const char *orighost) /* I - job-originating-host-name */ | |
e73c6c0a | 668 | { |
e73c6c0a | 669 | char localhost[255]; /* Local host name */ |
670 | int error; /* Error number */ | |
671 | struct stat filestats; /* File statistics */ | |
c50b7b12 | 672 | int lport; /* LPD connection local port */ |
e73c6c0a | 673 | int fd; /* LPD socket */ |
674 | char control[10240], /* LPD control 'file' */ | |
675 | *cptr; /* Pointer into control file string */ | |
676 | char status; /* Status byte from command */ | |
ff0295f0 | 677 | int delay; /* Delay for retries... */ |
a0c0bbe7 | 678 | char addrname[256]; /* Address name */ |
cce0044f | 679 | http_addrlist_t *addr; /* Socket address */ |
680 | int have_supplies; /* Printer supports supply levels? */ | |
38dc9124 | 681 | int copy; /* Copies written */ |
41ed0c21 | 682 | time_t start_time; /* Time of first connect */ |
1479646d | 683 | size_t nbytes; /* Number of bytes written */ |
684 | off_t tbytes; /* Total bytes written */ | |
1fb9f3e8 | 685 | char buffer[32768]; /* Output buffer */ |
71bfc131 | 686 | #ifdef WIN32 |
687 | DWORD tv; /* Timeout in milliseconds */ | |
1aef57ed | 688 | #else |
71bfc131 | 689 | struct timeval tv; /* Timeout in secs and usecs */ |
690 | #endif /* WIN32 */ | |
691 | ||
1aef57ed | 692 | |
41ed0c21 | 693 | /* |
ff0295f0 | 694 | * Remember when we started trying to connect to the printer... |
41ed0c21 | 695 | */ |
696 | ||
f831f3d8 | 697 | start_time = time(NULL); |
41ed0c21 | 698 | |
1aef57ed | 699 | /* |
700 | * Loop forever trying to print the file... | |
701 | */ | |
702 | ||
1479646d | 703 | while (!abort_job) |
e73c6c0a | 704 | { |
25037b2b | 705 | /* |
706 | * First try to reserve a port for this connection... | |
707 | */ | |
e73c6c0a | 708 | |
9fa9ba8f | 709 | fprintf(stderr, "DEBUG: Connecting to %s:%d for printer %s\n", hostname, |
2d3aac27 | 710 | httpAddrPort(&(addrlist->addr)), printer); |
4c4eea89 | 711 | _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer.")); |
e73c6c0a | 712 | |
ff0295f0 | 713 | for (lport = reserve == RESERVE_RFC1179 ? 732 : 1024, addr = addrlist, |
714 | delay = 5;; | |
086c584d | 715 | addr = addr->next) |
55d0f521 | 716 | { |
1479646d | 717 | /* |
cce0044f | 718 | * Stop if this job has been canceled... |
1479646d | 719 | */ |
720 | ||
721 | if (abort_job) | |
722 | return (CUPS_BACKEND_FAILED); | |
723 | ||
2e55212e | 724 | /* |
725 | * Choose the next priviledged port... | |
726 | */ | |
727 | ||
086c584d | 728 | if (!addr) |
729 | addr = addrlist; | |
730 | ||
2e55212e | 731 | lport --; |
732 | ||
733 | if (lport < 721 && reserve == RESERVE_RFC1179) | |
734 | lport = 731; | |
735 | else if (lport < 1) | |
736 | lport = 1023; | |
737 | ||
6bb5a528 | 738 | #ifdef HAVE_GETEUID |
739 | if (geteuid() || !reserve) | |
740 | #else | |
25037b2b | 741 | if (getuid() || !reserve) |
6bb5a528 | 742 | #endif /* HAVE_GETEUID */ |
25037b2b | 743 | { |
744 | /* | |
745 | * Just create a regular socket... | |
746 | */ | |
55d0f521 | 747 | |
086c584d | 748 | if ((fd = socket(addr->addr.addr.sa_family, SOCK_STREAM, 0)) < 0) |
25037b2b | 749 | { |
8962df79 | 750 | perror("DEBUG: Unable to create socket"); |
086c584d | 751 | sleep(1); |
752 | ||
753 | continue; | |
25037b2b | 754 | } |
1aef57ed | 755 | |
c50b7b12 | 756 | lport = 0; |
25037b2b | 757 | } |
758 | else | |
55d0f521 | 759 | { |
25037b2b | 760 | /* |
761 | * We're running as root and want to comply with RFC 1179. Reserve a | |
2e55212e | 762 | * priviledged lport between 721 and 731... |
25037b2b | 763 | */ |
764 | ||
086c584d | 765 | if ((fd = rresvport_af(&lport, addr->addr.addr.sa_family)) < 0) |
25037b2b | 766 | { |
8962df79 | 767 | perror("DEBUG: Unable to reserve port"); |
2e55212e | 768 | sleep(1); |
769 | ||
25037b2b | 770 | continue; |
771 | } | |
55d0f521 | 772 | } |
55d0f521 | 773 | |
7c298ddc | 774 | /* |
775 | * Connect to the printer or server... | |
776 | */ | |
777 | ||
086c584d | 778 | if (abort_job) |
7c298ddc | 779 | { |
086c584d | 780 | close(fd); |
7c298ddc | 781 | |
086c584d | 782 | return (CUPS_BACKEND_FAILED); |
7c298ddc | 783 | } |
784 | ||
086c584d | 785 | if (!connect(fd, &(addr->addr.addr), httpAddrLength(&(addr->addr)))) |
786 | break; | |
787 | ||
788 | error = errno; | |
789 | close(fd); | |
086c584d | 790 | |
791 | if (addr->next) | |
792 | continue; | |
793 | ||
794 | if (getenv("CLASS") != NULL) | |
55d0f521 | 795 | { |
086c584d | 796 | /* |
797 | * If the CLASS environment variable is set, the job was submitted | |
798 | * to a class and not to a specific queue. In this case, we want | |
799 | * to abort immediately so that the job can be requeued on the next | |
800 | * available printer in the class. | |
801 | */ | |
25037b2b | 802 | |
4c4eea89 | 803 | _cupsLangPrintFilter(stderr, "INFO", |
804 | _("Unable to contact printer, queuing on next " | |
805 | "printer in class.")); | |
b7b63780 | 806 | |
086c584d | 807 | /* |
808 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
809 | */ | |
b7b63780 | 810 | |
086c584d | 811 | sleep(5); |
b7b63780 | 812 | |
086c584d | 813 | return (CUPS_BACKEND_FAILED); |
814 | } | |
b7b63780 | 815 | |
03a8680a | 816 | fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(error)); |
817 | ||
086c584d | 818 | if (error == ECONNREFUSED || error == EHOSTDOWN || |
819 | error == EHOSTUNREACH) | |
820 | { | |
41ed0c21 | 821 | if (contimeout && (time(NULL) - start_time) > contimeout) |
822 | { | |
4c4eea89 | 823 | _cupsLangPrintFilter(stderr, "ERROR", |
824 | _("The printer is not responding.")); | |
41ed0c21 | 825 | return (CUPS_BACKEND_FAILED); |
826 | } | |
827 | ||
03a8680a | 828 | switch (error) |
829 | { | |
830 | case EHOSTDOWN : | |
4c4eea89 | 831 | _cupsLangPrintFilter(stderr, "WARNING", |
7cfa02ab | 832 | _("The printer may not exist or " |
833 | "is unavailable at this time.")); | |
03a8680a | 834 | break; |
835 | ||
836 | case EHOSTUNREACH : | |
4c4eea89 | 837 | _cupsLangPrintFilter(stderr, "WARNING", |
7cfa02ab | 838 | _("The printer is unreachable at " |
839 | "this time.")); | |
03a8680a | 840 | break; |
841 | ||
842 | case ECONNREFUSED : | |
843 | default : | |
4c4eea89 | 844 | _cupsLangPrintFilter(stderr, "WARNING", |
d326343a | 845 | _("The printer is in use.")); |
03a8680a | 846 | break; |
847 | } | |
ff0295f0 | 848 | |
849 | sleep(delay); | |
850 | ||
851 | if (delay < 30) | |
852 | delay += 5; | |
086c584d | 853 | } |
854 | else if (error == EADDRINUSE) | |
855 | { | |
856 | /* | |
857 | * Try on another port... | |
858 | */ | |
2e55212e | 859 | |
086c584d | 860 | sleep(1); |
55d0f521 | 861 | } |
25037b2b | 862 | else |
086c584d | 863 | { |
4c4eea89 | 864 | _cupsLangPrintFilter(stderr, "ERROR", |
7cfa02ab | 865 | _("The printer is not responding.")); |
ff0295f0 | 866 | sleep(30); |
086c584d | 867 | } |
e73c6c0a | 868 | } |
869 | ||
71bfc131 | 870 | /* |
871 | * Set the timeout... | |
872 | */ | |
873 | ||
874 | #ifdef WIN32 | |
875 | tv = (DWORD)(timeout * 1000); | |
876 | ||
877 | setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv, sizeof(tv)); | |
878 | setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv, sizeof(tv)); | |
879 | #else | |
880 | tv.tv_sec = timeout; | |
881 | tv.tv_usec = 0; | |
882 | ||
883 | setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)); | |
884 | setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv)); | |
885 | #endif /* WIN32 */ | |
886 | ||
22a980cc | 887 | fputs("STATE: -connecting-to-device\n", stderr); |
4c4eea89 | 888 | _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer.")); |
a0c0bbe7 | 889 | |
f0aa54a1 | 890 | fprintf(stderr, "DEBUG: Connected to %s:%d (local port %d)...\n", |
891 | httpAddrString(&(addr->addr), addrname, sizeof(addrname)), | |
2d3aac27 | 892 | httpAddrPort(&(addr->addr)), lport); |
25037b2b | 893 | |
eab5b04e | 894 | /* |
895 | * See if the printer supports SNMP... | |
896 | */ | |
897 | ||
cce0044f | 898 | if (snmp_fd >= 0) |
899 | have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr), NULL, | |
900 | NULL); | |
6bffe4a6 | 901 | else |
902 | have_supplies = 0; | |
eab5b04e | 903 | |
56f7a531 | 904 | /* |
905 | * Check for side-channel requests... | |
906 | */ | |
907 | ||
cce0044f | 908 | backendCheckSideChannel(snmp_fd, &(addrlist->addr)); |
56f7a531 | 909 | |
25037b2b | 910 | /* |
911 | * Next, open the print file and figure out its size... | |
912 | */ | |
e73c6c0a | 913 | |
097a2a84 | 914 | if (print_fd) |
25037b2b | 915 | { |
ff0295f0 | 916 | /* |
917 | * Use the size from the print file... | |
918 | */ | |
919 | ||
097a2a84 | 920 | if (fstat(print_fd, &filestats)) |
921 | { | |
097a2a84 | 922 | close(fd); |
04e01993 | 923 | |
8962df79 | 924 | perror("DEBUG: unable to stat print file"); |
097a2a84 | 925 | return (CUPS_BACKEND_FAILED); |
926 | } | |
086c584d | 927 | |
097a2a84 | 928 | filestats.st_size *= manual_copies; |
25037b2b | 929 | } |
097a2a84 | 930 | else |
ff0295f0 | 931 | { |
932 | /* | |
933 | * Use a "very large value" for the size so that the printer will | |
934 | * keep printing until we close the connection... | |
935 | */ | |
936 | ||
097a2a84 | 937 | #ifdef _LARGEFILE_SOURCE |
938 | filestats.st_size = (size_t)(999999999999.0); | |
939 | #else | |
940 | filestats.st_size = 2147483647; | |
941 | #endif /* _LARGEFILE_SOURCE */ | |
ff0295f0 | 942 | } |
e73c6c0a | 943 | |
25037b2b | 944 | /* |
945 | * Send a job header to the printer, specifying no banner page and | |
946 | * literal output... | |
947 | */ | |
e73c6c0a | 948 | |
71bfc131 | 949 | if (lpd_command(fd, "\002%s\n", |
55737cf0 | 950 | printer)) /* Receive print job(s) */ |
086c584d | 951 | { |
086c584d | 952 | close(fd); |
6248387b | 953 | return (CUPS_BACKEND_FAILED); |
086c584d | 954 | } |
e73c6c0a | 955 | |
f8c857be | 956 | if (orighost && _cups_strcasecmp(orighost, "localhost")) |
9e7d65d4 | 957 | strlcpy(localhost, orighost, sizeof(localhost)); |
958 | else | |
959 | httpGetHostname(NULL, localhost, sizeof(localhost)); | |
e73c6c0a | 960 | |
0efda061 | 961 | snprintf(control, sizeof(control), |
c453af56 | 962 | "H%.31s\n" /* RFC 1179, Section 7.2 - host name <= 31 chars */ |
963 | "P%.31s\n" /* RFC 1179, Section 7.2 - user name <= 31 chars */ | |
964 | "J%.99s\n", /* RFC 1179, Section 7.2 - job name <= 99 chars */ | |
0efda061 | 965 | localhost, user, title); |
25037b2b | 966 | cptr = control + strlen(control); |
e73c6c0a | 967 | |
25037b2b | 968 | if (banner) |
969 | { | |
0efda061 | 970 | snprintf(cptr, sizeof(control) - (cptr - control), |
c453af56 | 971 | "C%.31s\n" /* RFC 1179, Section 7.2 - class name <= 31 chars */ |
0efda061 | 972 | "L%s\n", |
d68320d4 | 973 | localhost, user); |
25037b2b | 974 | cptr += strlen(cptr); |
975 | } | |
72a039d0 | 976 | |
25037b2b | 977 | while (copies > 0) |
978 | { | |
0efda061 | 979 | snprintf(cptr, sizeof(control) - (cptr - control), "%cdfA%03d%.15s\n", |
980 | format, (int)getpid() % 1000, localhost); | |
25037b2b | 981 | cptr += strlen(cptr); |
982 | copies --; | |
983 | } | |
e73c6c0a | 984 | |
25037b2b | 985 | snprintf(cptr, sizeof(control) - (cptr - control), |
c453af56 | 986 | "UdfA%03d%.15s\n" |
987 | "N%.131s\n", /* RFC 1179, Section 7.2 - sourcefile name <= 131 chars */ | |
1a59b1c1 | 988 | (int)getpid() % 1000, localhost, title); |
e73c6c0a | 989 | |
25037b2b | 990 | fprintf(stderr, "DEBUG: Control file is:\n%s", control); |
e73c6c0a | 991 | |
25037b2b | 992 | if (order == ORDER_CONTROL_DATA) |
993 | { | |
56f7a531 | 994 | /* |
995 | * Check for side-channel requests... | |
996 | */ | |
997 | ||
998 | backendCheckSideChannel(snmp_fd, &(addr->addr)); | |
999 | ||
1000 | /* | |
1001 | * Send the control file... | |
1002 | */ | |
1003 | ||
71bfc131 | 1004 | if (lpd_command(fd, "\002%d cfA%03.3d%.15s\n", strlen(control), |
1a59b1c1 | 1005 | (int)getpid() % 1000, localhost)) |
086c584d | 1006 | { |
086c584d | 1007 | close(fd); |
1008 | ||
6248387b | 1009 | return (CUPS_BACKEND_FAILED); |
086c584d | 1010 | } |
f8529e1a | 1011 | |
4c4eea89 | 1012 | fprintf(stderr, "DEBUG: Sending control file (%u bytes)\n", |
1013 | (unsigned)strlen(control)); | |
e73c6c0a | 1014 | |
25037b2b | 1015 | if (lpd_write(fd, control, strlen(control) + 1) < (strlen(control) + 1)) |
1016 | { | |
1017 | status = errno; | |
8962df79 | 1018 | perror("DEBUG: Unable to write control file"); |
1019 | ||
25037b2b | 1020 | } |
1021 | else | |
1022 | { | |
25037b2b | 1023 | if (read(fd, &status, 1) < 1) |
55737cf0 | 1024 | { |
4c4eea89 | 1025 | _cupsLangPrintFilter(stderr, "WARNING", |
d326343a | 1026 | _("The printer did not respond.")); |
25037b2b | 1027 | status = errno; |
55737cf0 | 1028 | } |
25037b2b | 1029 | } |
e73c6c0a | 1030 | |
25037b2b | 1031 | if (status != 0) |
4c4eea89 | 1032 | _cupsLangPrintFilter(stderr, "ERROR", |
1033 | _("Remote host did not accept control file (%d)."), | |
1034 | status); | |
25037b2b | 1035 | else |
4c4eea89 | 1036 | _cupsLangPrintFilter(stderr, "INFO", |
1037 | _("Control file sent successfully.")); | |
25037b2b | 1038 | } |
1039 | else | |
1040 | status = 0; | |
e73c6c0a | 1041 | |
25037b2b | 1042 | if (status == 0) |
e73c6c0a | 1043 | { |
56f7a531 | 1044 | /* |
1045 | * Check for side-channel requests... | |
1046 | */ | |
1047 | ||
1048 | backendCheckSideChannel(snmp_fd, &(addr->addr)); | |
1049 | ||
25037b2b | 1050 | /* |
1051 | * Send the print file... | |
1052 | */ | |
e73c6c0a | 1053 | |
71bfc131 | 1054 | if (lpd_command(fd, "\003" CUPS_LLFMT " dfA%03.3d%.15s\n", |
1a59b1c1 | 1055 | CUPS_LLCAST filestats.st_size, (int)getpid() % 1000, |
55737cf0 | 1056 | localhost)) |
086c584d | 1057 | { |
086c584d | 1058 | close(fd); |
1059 | ||
6248387b | 1060 | return (CUPS_BACKEND_FAILED); |
086c584d | 1061 | } |
25037b2b | 1062 | |
4c4eea89 | 1063 | fprintf(stderr, "DEBUG: Sending data file (" CUPS_LLFMT " bytes)\n", |
1064 | CUPS_LLCAST filestats.st_size); | |
25037b2b | 1065 | |
1066 | tbytes = 0; | |
38dc9124 | 1067 | for (copy = 0; copy < manual_copies; copy ++) |
e73c6c0a | 1068 | { |
097a2a84 | 1069 | lseek(print_fd, 0, SEEK_SET); |
04e01993 | 1070 | |
097a2a84 | 1071 | while ((nbytes = read(print_fd, buffer, sizeof(buffer))) > 0) |
04e01993 | 1072 | { |
4c4eea89 | 1073 | _cupsLangPrintFilter(stderr, "INFO", |
1074 | _("Spooling job, %.0f%% complete."), | |
1075 | 100.0 * tbytes / filestats.st_size); | |
25037b2b | 1076 | |
1077 | if (lpd_write(fd, buffer, nbytes) < nbytes) | |
1078 | { | |
8962df79 | 1079 | perror("DEBUG: Unable to send print file to printer"); |
25037b2b | 1080 | break; |
1081 | } | |
1082 | else | |
1083 | tbytes += nbytes; | |
04e01993 | 1084 | } |
e73c6c0a | 1085 | } |
04e01993 | 1086 | |
097a2a84 | 1087 | if (mode == MODE_STANDARD) |
55737cf0 | 1088 | { |
097a2a84 | 1089 | if (tbytes < filestats.st_size) |
1090 | status = errno; | |
1091 | else if (lpd_write(fd, "", 1) < 1) | |
1092 | { | |
8962df79 | 1093 | perror("DEBUG: Unable to send trailing nul to printer"); |
097a2a84 | 1094 | status = errno; |
1095 | } | |
1096 | else | |
1097 | { | |
1098 | /* | |
1099 | * Read the status byte from the printer; if we can't read the byte | |
1100 | * back now, we should set status to "errno", however at this point | |
1101 | * we know the printer got the whole file and we don't necessarily | |
1102 | * want to requeue it over and over... | |
1103 | */ | |
55737cf0 | 1104 | |
097a2a84 | 1105 | if (recv(fd, &status, 1, 0) < 1) |
1106 | { | |
4c4eea89 | 1107 | _cupsLangPrintFilter(stderr, "WARNING", |
d326343a | 1108 | _("The printer did not respond.")); |
097a2a84 | 1109 | status = 0; |
1110 | } | |
097a2a84 | 1111 | } |
25037b2b | 1112 | } |
097a2a84 | 1113 | else |
1114 | status = 0; | |
25037b2b | 1115 | |
1116 | if (status != 0) | |
4c4eea89 | 1117 | _cupsLangPrintFilter(stderr, "ERROR", |
1118 | _("Remote host did not accept data file (%d)."), | |
1119 | status); | |
25037b2b | 1120 | else |
4c4eea89 | 1121 | _cupsLangPrintFilter(stderr, "INFO", |
1122 | _("Data file sent successfully.")); | |
e73c6c0a | 1123 | } |
1124 | ||
25037b2b | 1125 | if (status == 0 && order == ORDER_DATA_CONTROL) |
1126 | { | |
56f7a531 | 1127 | /* |
1128 | * Check for side-channel requests... | |
1129 | */ | |
1130 | ||
1131 | backendCheckSideChannel(snmp_fd, &(addr->addr)); | |
1132 | ||
1133 | /* | |
1134 | * Send control file... | |
1135 | */ | |
1136 | ||
71bfc131 | 1137 | if (lpd_command(fd, "\002%d cfA%03.3d%.15s\n", strlen(control), |
1a59b1c1 | 1138 | (int)getpid() % 1000, localhost)) |
086c584d | 1139 | { |
086c584d | 1140 | close(fd); |
1141 | ||
6248387b | 1142 | return (CUPS_BACKEND_FAILED); |
086c584d | 1143 | } |
f8529e1a | 1144 | |
4c4eea89 | 1145 | fprintf(stderr, "DEBUG: Sending control file (%lu bytes)\n", |
1146 | (unsigned long)strlen(control)); | |
e73c6c0a | 1147 | |
25037b2b | 1148 | if (lpd_write(fd, control, strlen(control) + 1) < (strlen(control) + 1)) |
1149 | { | |
1150 | status = errno; | |
8962df79 | 1151 | perror("DEBUG: Unable to write control file"); |
25037b2b | 1152 | } |
1153 | else | |
1154 | { | |
55737cf0 | 1155 | if (read(fd, &status, 1) < 1) |
1156 | { | |
4c4eea89 | 1157 | _cupsLangPrintFilter(stderr, "WARNING", |
d326343a | 1158 | _("The printer did not respond.")); |
25037b2b | 1159 | status = errno; |
55737cf0 | 1160 | } |
25037b2b | 1161 | } |
1162 | ||
1163 | if (status != 0) | |
4c4eea89 | 1164 | _cupsLangPrintFilter(stderr, "ERROR", |
1165 | _("Remote host did not accept control file (%d)."), | |
1166 | status); | |
25037b2b | 1167 | else |
4c4eea89 | 1168 | _cupsLangPrintFilter(stderr, "INFO", |
1169 | _("Control file sent successfully.")); | |
f8529e1a | 1170 | } |
f8529e1a | 1171 | |
eab5b04e | 1172 | /* |
f9172253 | 1173 | * Collect the final supply levels as needed... |
eab5b04e | 1174 | */ |
1175 | ||
6bffe4a6 | 1176 | if (have_supplies) |
f9172253 | 1177 | backendSNMPSupplies(snmp_fd, &(addr->addr), NULL, NULL); |
eab5b04e | 1178 | |
25037b2b | 1179 | /* |
1180 | * Close the socket connection and input file... | |
1181 | */ | |
1182 | ||
1183 | close(fd); | |
25037b2b | 1184 | |
1185 | if (status == 0) | |
6248387b | 1186 | return (CUPS_BACKEND_OK); |
f8529e1a | 1187 | |
1aef57ed | 1188 | /* |
55737cf0 | 1189 | * Waiting for a retry... |
1aef57ed | 1190 | */ |
e73c6c0a | 1191 | |
1aef57ed | 1192 | sleep(30); |
1193 | } | |
1479646d | 1194 | |
1195 | /* | |
cce0044f | 1196 | * If we get here, then the job has been canceled... |
1479646d | 1197 | */ |
1198 | ||
1199 | return (CUPS_BACKEND_FAILED); | |
25037b2b | 1200 | } |
1201 | ||
1202 | ||
43e2fc22 | 1203 | /* |
f8529e1a | 1204 | * 'lpd_write()' - Write a buffer of data to an LPD server. |
1205 | */ | |
1206 | ||
55737cf0 | 1207 | static int /* O - Number of bytes written or -1 on error */ |
1208 | lpd_write(int lpd_fd, /* I - LPD socket */ | |
1209 | char *buffer, /* I - Buffer to write */ | |
1210 | int length) /* I - Number of bytes to write */ | |
f8529e1a | 1211 | { |
55737cf0 | 1212 | int bytes, /* Number of bytes written */ |
1213 | total; /* Total number of bytes written */ | |
f8529e1a | 1214 | |
1215 | ||
1479646d | 1216 | if (abort_job) |
1217 | return (-1); | |
1218 | ||
f8529e1a | 1219 | total = 0; |
1220 | while ((bytes = send(lpd_fd, buffer, length - total, 0)) >= 0) | |
1221 | { | |
1222 | total += bytes; | |
1223 | buffer += bytes; | |
1224 | ||
1225 | if (total == length) | |
1226 | break; | |
1227 | } | |
1228 | ||
1229 | if (bytes < 0) | |
1230 | return (-1); | |
1231 | else | |
1232 | return (length); | |
1233 | } | |
1234 | ||
1235 | ||
7c298ddc | 1236 | #ifndef HAVE_RRESVPORT_AF |
f8529e1a | 1237 | /* |
7c298ddc | 1238 | * 'rresvport_af()' - A simple implementation of rresvport_af(). |
c3026ddc | 1239 | */ |
1240 | ||
ffc272ef | 1241 | static int /* O - Socket or -1 on error */ |
309a8d03 | 1242 | rresvport_af(int *port, /* IO - Port number to bind to */ |
1243 | int family) /* I - Address family */ | |
c3026ddc | 1244 | { |
7c298ddc | 1245 | http_addr_t addr; /* Socket address */ |
1246 | int fd; /* Socket file descriptor */ | |
c3026ddc | 1247 | |
1248 | ||
1249 | /* | |
1250 | * Try to create an IPv4 socket... | |
1251 | */ | |
1252 | ||
7c298ddc | 1253 | if ((fd = socket(family, SOCK_STREAM, 0)) < 0) |
c3026ddc | 1254 | return (-1); |
1255 | ||
1256 | /* | |
1257 | * Initialize the address buffer... | |
1258 | */ | |
1259 | ||
1260 | memset(&addr, 0, sizeof(addr)); | |
7c298ddc | 1261 | addr.addr.sa_family = family; |
c3026ddc | 1262 | |
1263 | /* | |
7c298ddc | 1264 | * Try to bind the socket to a reserved port... |
c3026ddc | 1265 | */ |
1266 | ||
7c298ddc | 1267 | while (*port > 511) |
c3026ddc | 1268 | { |
1269 | /* | |
1270 | * Set the port number... | |
1271 | */ | |
1272 | ||
f0aa54a1 | 1273 | _httpAddrSetPort(&addr, *port); |
c3026ddc | 1274 | |
1275 | /* | |
1276 | * Try binding the port to the socket; return if all is OK... | |
1277 | */ | |
1278 | ||
1279 | if (!bind(fd, (struct sockaddr *)&addr, sizeof(addr))) | |
1280 | return (fd); | |
1281 | ||
1282 | /* | |
1283 | * Stop if we have any error other than "address already in use"... | |
1284 | */ | |
1285 | ||
1286 | if (errno != EADDRINUSE) | |
1287 | { | |
1288 | # ifdef WIN32 | |
1289 | closesocket(fd); | |
1290 | # else | |
1291 | close(fd); | |
1292 | # endif /* WIN32 */ | |
1293 | ||
1294 | return (-1); | |
1295 | } | |
1296 | ||
1297 | /* | |
1298 | * Try the next port... | |
1299 | */ | |
1300 | ||
1301 | (*port)--; | |
1302 | } | |
1303 | ||
1304 | /* | |
1305 | * Wasn't able to bind to a reserved port, so close the socket and return | |
1306 | * -1... | |
1307 | */ | |
1308 | ||
1309 | # ifdef WIN32 | |
1310 | closesocket(fd); | |
1311 | # else | |
1312 | close(fd); | |
1313 | # endif /* WIN32 */ | |
1314 | ||
1315 | return (-1); | |
1316 | } | |
7c298ddc | 1317 | #endif /* !HAVE_RRESVPORT_AF */ |
c3026ddc | 1318 | |
55737cf0 | 1319 | |
1320 | /* | |
1321 | * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend. | |
1322 | */ | |
1323 | ||
1324 | static void | |
1325 | sigterm_handler(int sig) /* I - Signal */ | |
1326 | { | |
1327 | (void)sig; /* remove compiler warnings... */ | |
1328 | ||
1479646d | 1329 | abort_job = 1; |
55737cf0 | 1330 | } |
1331 | ||
1332 | ||
c3026ddc | 1333 | /* |
c9d3f842 | 1334 | * End of "$Id$". |
43e2fc22 | 1335 | */ |