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Commit | Line | Data |
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ef416fc2 | 1 | /* |
f2d18633 | 2 | * "$Id$" |
ef416fc2 | 3 | * |
71e16022 | 4 | * HTTP support routines for CUPS. |
ef416fc2 | 5 | * |
0fa6c7fa | 6 | * Copyright 2007-2013 by Apple Inc. |
b86bc4cf | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 10 | * property of Apple Inc. and are protected by Federal copyright |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 14 | * |
15 | * This file is subject to the Apple OS-Developed Software exception. | |
16 | * | |
17 | * Contents: | |
18 | * | |
f3c17241 MS |
19 | * httpAssembleURI() - Assemble a uniform resource identifier from its |
20 | * components. | |
ef416fc2 | 21 | * httpAssembleURIf() - Assemble a uniform resource identifier from its |
f3c17241 | 22 | * components with a formatted resource. |
0fa6c7fa MS |
23 | * httpAssembleUUID() - Assemble a name-based UUID URN conforming to RFC |
24 | * 4122. | |
f3c17241 MS |
25 | * httpDecode64() - Base64-decode a string. |
26 | * httpDecode64_2() - Base64-decode a string. | |
27 | * httpEncode64() - Base64-encode a string. | |
28 | * httpEncode64_2() - Base64-encode a string. | |
ef416fc2 | 29 | * httpGetDateString() - Get a formatted date/time string from a time value. |
30 | * httpGetDateString2() - Get a formatted date/time string from a time value. | |
f3c17241 MS |
31 | * httpGetDateTime() - Get a time value from a formatted date/time string. |
32 | * httpSeparate() - Separate a Universal Resource Identifier into its | |
33 | * components. | |
34 | * httpSeparate2() - Separate a Universal Resource Identifier into its | |
35 | * components. | |
36 | * httpSeparateURI() - Separate a Universal Resource Identifier into its | |
37 | * components. | |
38 | * httpStatus() - Return a short string describing a HTTP status | |
39 | * code. | |
40 | * _cups_hstrerror() - hstrerror() emulation function for Solaris and | |
41 | * others. | |
42 | * _httpDecodeURI() - Percent-decode a HTTP request URI. | |
43 | * _httpEncodeURI() - Percent-encode a HTTP request URI. | |
44 | * _httpResolveURI() - Resolve a DNS-SD URI. | |
45 | * http_client_cb() - Client callback for resolving URI. | |
ef416fc2 | 46 | * http_copy_decode() - Copy and decode a URI. |
47 | * http_copy_encode() - Copy and encode a URI. | |
f3c17241 MS |
48 | * http_poll_cb() - Wait for input on the specified file descriptors. |
49 | * http_resolve_cb() - Build a device URI for the given service name. | |
50 | * http_resolve_cb() - Build a device URI for the given service name. | |
ef416fc2 | 51 | */ |
52 | ||
53 | /* | |
54 | * Include necessary headers... | |
55 | */ | |
56 | ||
71e16022 | 57 | #include "cups-private.h" |
5eb9da71 MS |
58 | #ifdef HAVE_DNSSD |
59 | # include <dns_sd.h> | |
6d2f911b MS |
60 | # ifdef WIN32 |
61 | # include <io.h> | |
62 | # elif defined(HAVE_POLL) | |
63 | # include <poll.h> | |
64 | # else | |
65 | # include <sys/select.h> | |
66 | # endif /* WIN32 */ | |
f3c17241 MS |
67 | #elif defined(HAVE_AVAHI) |
68 | # include <avahi-client/client.h> | |
69 | # include <avahi-client/lookup.h> | |
70 | # include <avahi-common/simple-watch.h> | |
5eb9da71 MS |
71 | #endif /* HAVE_DNSSD */ |
72 | ||
73 | ||
74 | /* | |
75 | * Local types... | |
76 | */ | |
77 | ||
78 | typedef struct _http_uribuf_s /* URI buffer */ | |
79 | { | |
f3c17241 MS |
80 | #ifdef HAVE_AVAHI |
81 | AvahiSimplePoll *poll; /* Poll state */ | |
82 | #endif /* HAVE_AVAHI */ | |
83 | char *buffer; /* Pointer to buffer */ | |
84 | size_t bufsize; /* Size of buffer */ | |
85 | int options; /* Options passed to _httpResolveURI */ | |
5a9febac | 86 | const char *resource; /* Resource from URI */ |
5eb9da71 | 87 | } _http_uribuf_t; |
ef416fc2 | 88 | |
89 | ||
90 | /* | |
91 | * Local globals... | |
92 | */ | |
93 | ||
94 | static const char * const http_days[7] = | |
95 | { | |
0a682745 MS |
96 | "Sun", |
97 | "Mon", | |
ef416fc2 | 98 | "Tue", |
99 | "Wed", | |
100 | "Thu", | |
101 | "Fri", | |
102 | "Sat" | |
103 | }; | |
104 | static const char * const http_months[12] = | |
105 | { | |
106 | "Jan", | |
107 | "Feb", | |
108 | "Mar", | |
109 | "Apr", | |
110 | "May", | |
111 | "Jun", | |
112 | "Jul", | |
113 | "Aug", | |
114 | "Sep", | |
115 | "Oct", | |
116 | "Nov", | |
117 | "Dec" | |
118 | }; | |
119 | ||
120 | ||
121 | /* | |
122 | * Local functions... | |
123 | */ | |
124 | ||
125 | static const char *http_copy_decode(char *dst, const char *src, | |
a4d04587 | 126 | int dstsize, const char *term, |
127 | int decode); | |
ef416fc2 | 128 | static char *http_copy_encode(char *dst, const char *src, |
a4d04587 | 129 | char *dstend, const char *reserved, |
130 | const char *term, int encode); | |
5eb9da71 | 131 | #ifdef HAVE_DNSSD |
eac3a0a0 MS |
132 | static void DNSSD_API http_resolve_cb(DNSServiceRef sdRef, |
133 | DNSServiceFlags flags, | |
134 | uint32_t interfaceIndex, | |
135 | DNSServiceErrorType errorCode, | |
136 | const char *fullName, | |
137 | const char *hostTarget, | |
138 | uint16_t port, uint16_t txtLen, | |
139 | const unsigned char *txtRecord, | |
140 | void *context); | |
5eb9da71 | 141 | #endif /* HAVE_DNSSD */ |
ef416fc2 | 142 | |
f3c17241 MS |
143 | #ifdef HAVE_AVAHI |
144 | static void http_client_cb(AvahiClient *client, | |
145 | AvahiClientState state, void *simple_poll); | |
146 | static int http_poll_cb(struct pollfd *pollfds, unsigned int num_pollfds, | |
147 | int timeout, void *context); | |
148 | static void http_resolve_cb(AvahiServiceResolver *resolver, | |
149 | AvahiIfIndex interface, | |
150 | AvahiProtocol protocol, | |
151 | AvahiResolverEvent event, | |
152 | const char *name, const char *type, | |
153 | const char *domain, const char *host_name, | |
154 | const AvahiAddress *address, uint16_t port, | |
155 | AvahiStringList *txt, | |
156 | AvahiLookupResultFlags flags, void *context); | |
157 | #endif /* HAVE_AVAHI */ | |
158 | ||
ef416fc2 | 159 | |
160 | /* | |
161 | * 'httpAssembleURI()' - Assemble a uniform resource identifier from its | |
162 | * components. | |
163 | * | |
ecdc0628 | 164 | * This function escapes reserved characters in the URI depending on the |
165 | * value of the "encoding" argument. You should use this function in | |
166 | * place of traditional string functions whenever you need to create a | |
167 | * URI string. | |
ef416fc2 | 168 | * |
f3c17241 | 169 | * @since CUPS 1.2/OS X 10.5@ |
ef416fc2 | 170 | */ |
171 | ||
172 | http_uri_status_t /* O - URI status */ | |
a4d04587 | 173 | httpAssembleURI( |
174 | http_uri_coding_t encoding, /* I - Encoding flags */ | |
175 | char *uri, /* I - URI buffer */ | |
176 | int urilen, /* I - Size of URI buffer */ | |
177 | const char *scheme, /* I - Scheme name */ | |
178 | const char *username, /* I - Username */ | |
179 | const char *host, /* I - Hostname or address */ | |
180 | int port, /* I - Port number */ | |
181 | const char *resource) /* I - Resource */ | |
ef416fc2 | 182 | { |
183 | char *ptr, /* Pointer into URI buffer */ | |
184 | *end; /* End of URI buffer */ | |
ef416fc2 | 185 | |
186 | ||
187 | /* | |
188 | * Range check input... | |
189 | */ | |
190 | ||
191 | if (!uri || urilen < 1 || !scheme || port < 0) | |
192 | { | |
193 | if (uri) | |
194 | *uri = '\0'; | |
195 | ||
cb7f98ee | 196 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
ef416fc2 | 197 | } |
198 | ||
199 | /* | |
200 | * Assemble the URI starting with the scheme... | |
201 | */ | |
202 | ||
203 | end = uri + urilen - 1; | |
a4d04587 | 204 | ptr = http_copy_encode(uri, scheme, end, NULL, NULL, 0); |
ef416fc2 | 205 | |
206 | if (!ptr) | |
207 | goto assemble_overflow; | |
208 | ||
f7deaa1a | 209 | if (!strcmp(scheme, "mailto")) |
ef416fc2 | 210 | { |
211 | /* | |
212 | * mailto: only has :, no //... | |
213 | */ | |
214 | ||
215 | if (ptr < end) | |
216 | *ptr++ = ':'; | |
217 | else | |
218 | goto assemble_overflow; | |
219 | } | |
220 | else | |
221 | { | |
222 | /* | |
223 | * Schemes other than mailto: all have //... | |
224 | */ | |
225 | ||
226 | if ((ptr + 2) < end) | |
227 | { | |
228 | *ptr++ = ':'; | |
229 | *ptr++ = '/'; | |
230 | *ptr++ = '/'; | |
231 | } | |
232 | else | |
233 | goto assemble_overflow; | |
234 | } | |
235 | ||
236 | /* | |
237 | * Next the username and hostname, if any... | |
238 | */ | |
239 | ||
240 | if (host) | |
241 | { | |
242 | if (username && *username) | |
243 | { | |
244 | /* | |
245 | * Add username@ first... | |
246 | */ | |
247 | ||
85dda01c | 248 | ptr = http_copy_encode(ptr, username, end, "/?#[]@", NULL, |
a4d04587 | 249 | encoding & HTTP_URI_CODING_USERNAME); |
ef416fc2 | 250 | |
251 | if (!ptr) | |
252 | goto assemble_overflow; | |
253 | ||
254 | if (ptr < end) | |
255 | *ptr++ = '@'; | |
256 | else | |
257 | goto assemble_overflow; | |
258 | } | |
259 | ||
260 | /* | |
261 | * Then add the hostname. Since IPv6 is a particular pain to deal | |
c9fc04c6 | 262 | * with, we have several special cases to deal with. If we get |
ef416fc2 | 263 | * an IPv6 address with brackets around it, assume it is already in |
c9fc04c6 MS |
264 | * URI format. Since DNS-SD service names can sometimes look like |
265 | * raw IPv6 addresses, we specifically look for "._tcp" in the name, | |
266 | * too... | |
ef416fc2 | 267 | */ |
268 | ||
c9fc04c6 | 269 | if (host[0] != '[' && strchr(host, ':') && !strstr(host, "._tcp")) |
ef416fc2 | 270 | { |
271 | /* | |
c9fc04c6 | 272 | * We have a raw IPv6 address... |
ef416fc2 | 273 | */ |
274 | ||
86c809d9 | 275 | if (strchr(host, '%') && !(encoding & HTTP_URI_CODING_RFC6874)) |
ef416fc2 | 276 | { |
277 | /* | |
278 | * We have a link-local address, add "[v1." prefix... | |
279 | */ | |
280 | ||
281 | if ((ptr + 4) < end) | |
282 | { | |
283 | *ptr++ = '['; | |
284 | *ptr++ = 'v'; | |
285 | *ptr++ = '1'; | |
286 | *ptr++ = '.'; | |
287 | } | |
288 | else | |
289 | goto assemble_overflow; | |
290 | } | |
291 | else | |
292 | { | |
293 | /* | |
294 | * We have a normal address, add "[" prefix... | |
295 | */ | |
296 | ||
297 | if (ptr < end) | |
298 | *ptr++ = '['; | |
299 | else | |
300 | goto assemble_overflow; | |
301 | } | |
302 | ||
303 | /* | |
304 | * Copy the rest of the IPv6 address, and terminate with "]". | |
305 | */ | |
306 | ||
307 | while (ptr < end && *host) | |
308 | { | |
309 | if (*host == '%') | |
86c809d9 MS |
310 | { |
311 | /* | |
312 | * Convert/encode zone separator | |
313 | */ | |
314 | ||
315 | if (encoding & HTTP_URI_CODING_RFC6874) | |
316 | { | |
317 | if (ptr >= (end - 2)) | |
318 | goto assemble_overflow; | |
319 | ||
320 | *ptr++ = '%'; | |
321 | *ptr++ = '2'; | |
322 | *ptr++ = '5'; | |
323 | } | |
324 | else | |
325 | *ptr++ = '+'; | |
326 | ||
ef416fc2 | 327 | host ++; |
328 | } | |
329 | else | |
330 | *ptr++ = *host++; | |
331 | } | |
332 | ||
333 | if (*host) | |
334 | goto assemble_overflow; | |
335 | ||
336 | if (ptr < end) | |
337 | *ptr++ = ']'; | |
338 | else | |
339 | goto assemble_overflow; | |
340 | } | |
341 | else | |
342 | { | |
343 | /* | |
344 | * Otherwise, just copy the host string... | |
345 | */ | |
c1420c87 | 346 | ptr = http_copy_encode(ptr, host, end, "<>{}|^:/?#[]@\\\"", NULL, |
a4d04587 | 347 | encoding & HTTP_URI_CODING_HOSTNAME); |
ef416fc2 | 348 | |
349 | if (!ptr) | |
350 | goto assemble_overflow; | |
351 | } | |
352 | ||
353 | /* | |
354 | * Finish things off with the port number... | |
355 | */ | |
356 | ||
357 | if (port > 0) | |
358 | { | |
359 | snprintf(ptr, end - ptr + 1, ":%d", port); | |
360 | ptr += strlen(ptr); | |
361 | ||
362 | if (ptr >= end) | |
363 | goto assemble_overflow; | |
364 | } | |
365 | } | |
366 | ||
367 | /* | |
368 | * Last but not least, add the resource string... | |
369 | */ | |
370 | ||
a4d04587 | 371 | if (resource) |
ef416fc2 | 372 | { |
fa73b229 | 373 | char *query; /* Pointer to query string */ |
374 | ||
375 | ||
fa73b229 | 376 | /* |
a4d04587 | 377 | * Copy the resource string up to the query string if present... |
fa73b229 | 378 | */ |
379 | ||
a4d04587 | 380 | query = strchr(resource, '?'); |
381 | ptr = http_copy_encode(ptr, resource, end, NULL, "?", | |
382 | encoding & HTTP_URI_CODING_RESOURCE); | |
ef416fc2 | 383 | if (!ptr) |
384 | goto assemble_overflow; | |
fa73b229 | 385 | |
386 | if (query) | |
387 | { | |
388 | /* | |
389 | * Copy query string without encoding... | |
390 | */ | |
391 | ||
a4d04587 | 392 | ptr = http_copy_encode(ptr, query, end, NULL, NULL, |
393 | encoding & HTTP_URI_CODING_QUERY); | |
394 | if (!ptr) | |
395 | goto assemble_overflow; | |
fa73b229 | 396 | } |
ef416fc2 | 397 | } |
398 | else if (ptr < end) | |
399 | *ptr++ = '/'; | |
400 | else | |
401 | goto assemble_overflow; | |
402 | ||
403 | /* | |
404 | * Nul-terminate the URI buffer and return with no errors... | |
405 | */ | |
406 | ||
407 | *ptr = '\0'; | |
408 | ||
cb7f98ee | 409 | return (HTTP_URI_STATUS_OK); |
ef416fc2 | 410 | |
411 | /* | |
412 | * Clear the URI string and return an overflow error; I don't usually | |
413 | * like goto's, but in this case it makes sense... | |
414 | */ | |
415 | ||
416 | assemble_overflow: | |
417 | ||
418 | *uri = '\0'; | |
cb7f98ee | 419 | return (HTTP_URI_STATUS_OVERFLOW); |
ef416fc2 | 420 | } |
421 | ||
422 | ||
a4d04587 | 423 | /* |
424 | * 'httpAssembleURIf()' - Assemble a uniform resource identifier from its | |
425 | * components with a formatted resource. | |
426 | * | |
427 | * This function creates a formatted version of the resource string | |
ecdc0628 | 428 | * argument "resourcef" and escapes reserved characters in the URI |
429 | * depending on the value of the "encoding" argument. You should use | |
430 | * this function in place of traditional string functions whenever | |
431 | * you need to create a URI string. | |
a4d04587 | 432 | * |
f3c17241 | 433 | * @since CUPS 1.2/OS X 10.5@ |
a4d04587 | 434 | */ |
435 | ||
436 | http_uri_status_t /* O - URI status */ | |
437 | httpAssembleURIf( | |
438 | http_uri_coding_t encoding, /* I - Encoding flags */ | |
439 | char *uri, /* I - URI buffer */ | |
440 | int urilen, /* I - Size of URI buffer */ | |
441 | const char *scheme, /* I - Scheme name */ | |
442 | const char *username, /* I - Username */ | |
443 | const char *host, /* I - Hostname or address */ | |
444 | int port, /* I - Port number */ | |
445 | const char *resourcef, /* I - Printf-style resource */ | |
446 | ...) /* I - Additional arguments as needed */ | |
447 | { | |
448 | va_list ap; /* Pointer to additional arguments */ | |
449 | char resource[1024]; /* Formatted resource string */ | |
450 | int bytes; /* Bytes in formatted string */ | |
451 | ||
452 | ||
453 | /* | |
454 | * Range check input... | |
455 | */ | |
456 | ||
457 | if (!uri || urilen < 1 || !scheme || port < 0 || !resourcef) | |
458 | { | |
459 | if (uri) | |
460 | *uri = '\0'; | |
461 | ||
cb7f98ee | 462 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
a4d04587 | 463 | } |
464 | ||
465 | /* | |
466 | * Format the resource string and assemble the URI... | |
467 | */ | |
468 | ||
469 | va_start(ap, resourcef); | |
470 | bytes = vsnprintf(resource, sizeof(resource), resourcef, ap); | |
471 | va_end(ap); | |
472 | ||
473 | if (bytes >= sizeof(resource)) | |
474 | { | |
475 | *uri = '\0'; | |
cb7f98ee | 476 | return (HTTP_URI_STATUS_OVERFLOW); |
a4d04587 | 477 | } |
478 | else | |
479 | return (httpAssembleURI(encoding, uri, urilen, scheme, username, host, | |
480 | port, resource)); | |
481 | } | |
482 | ||
483 | ||
07ed0e9a | 484 | /* |
0fa6c7fa MS |
485 | * 'httpAssembleUUID()' - Assemble a name-based UUID URN conforming to RFC 4122. |
486 | * | |
487 | * This function creates a unique 128-bit identifying number using the server | |
488 | * name, port number, random data, and optionally an object name and/or object | |
489 | * number. The result is formatted as a UUID URN as defined in RFC 4122. | |
07ed0e9a MS |
490 | * |
491 | * The buffer needs to be at least 46 bytes in size. | |
6961465f MS |
492 | * |
493 | * @since CUPS 1.7@ | |
07ed0e9a MS |
494 | */ |
495 | ||
496 | char * /* I - UUID string */ | |
0fa6c7fa MS |
497 | httpAssembleUUID(const char *server, /* I - Server name */ |
498 | int port, /* I - Port number */ | |
499 | const char *name, /* I - Object name or NULL */ | |
500 | int number, /* I - Object number or 0 */ | |
501 | char *buffer, /* I - String buffer */ | |
502 | size_t bufsize) /* I - Size of buffer */ | |
07ed0e9a MS |
503 | { |
504 | char data[1024]; /* Source string for MD5 */ | |
505 | _cups_md5_state_t md5state; /* MD5 state */ | |
506 | unsigned char md5sum[16]; /* MD5 digest/sum */ | |
507 | ||
508 | ||
509 | /* | |
510 | * Build a version 3 UUID conforming to RFC 4122. | |
511 | * | |
512 | * Start with the MD5 sum of the server, port, object name and | |
513 | * number, and some random data on the end. | |
514 | */ | |
515 | ||
516 | snprintf(data, sizeof(data), "%s:%d:%s:%d:%04x:%04x", server, | |
517 | port, name ? name : server, number, | |
f99f3698 | 518 | (unsigned)CUPS_RAND() & 0xffff, (unsigned)CUPS_RAND() & 0xffff); |
07ed0e9a MS |
519 | |
520 | _cupsMD5Init(&md5state); | |
521 | _cupsMD5Append(&md5state, (unsigned char *)data, strlen(data)); | |
522 | _cupsMD5Finish(&md5state, md5sum); | |
523 | ||
524 | /* | |
525 | * Generate the UUID from the MD5... | |
526 | */ | |
527 | ||
528 | snprintf(buffer, bufsize, | |
529 | "urn:uuid:%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-" | |
530 | "%02x%02x%02x%02x%02x%02x", | |
531 | md5sum[0], md5sum[1], md5sum[2], md5sum[3], md5sum[4], md5sum[5], | |
532 | (md5sum[6] & 15) | 0x30, md5sum[7], (md5sum[8] & 0x3f) | 0x40, | |
533 | md5sum[9], md5sum[10], md5sum[11], md5sum[12], md5sum[13], | |
534 | md5sum[14], md5sum[15]); | |
535 | ||
536 | return (buffer); | |
537 | } | |
538 | ||
0fa6c7fa MS |
539 | /* For OS X 10.8 and earlier */ |
540 | char *_httpAssembleUUID(const char *server, int port, const char *name, | |
541 | int number, char *buffer, size_t bufsize) | |
542 | { | |
543 | return (httpAssembleUUID(server, port, name, number, buffer, bufsize)); | |
544 | } | |
545 | ||
07ed0e9a | 546 | |
ef416fc2 | 547 | /* |
548 | * 'httpDecode64()' - Base64-decode a string. | |
ecdc0628 | 549 | * |
550 | * This function is deprecated. Use the httpDecode64_2() function instead | |
551 | * which provides buffer length arguments. | |
552 | * | |
553 | * @deprecated@ | |
ef416fc2 | 554 | */ |
555 | ||
556 | char * /* O - Decoded string */ | |
557 | httpDecode64(char *out, /* I - String to write to */ | |
558 | const char *in) /* I - String to read from */ | |
559 | { | |
560 | int outlen; /* Output buffer length */ | |
561 | ||
562 | ||
563 | /* | |
564 | * Use the old maximum buffer size for binary compatibility... | |
565 | */ | |
566 | ||
567 | outlen = 512; | |
568 | ||
569 | return (httpDecode64_2(out, &outlen, in)); | |
570 | } | |
571 | ||
572 | ||
573 | /* | |
574 | * 'httpDecode64_2()' - Base64-decode a string. | |
575 | * | |
f3c17241 | 576 | * @since CUPS 1.1.21/OS X 10.4@ |
ef416fc2 | 577 | */ |
578 | ||
579 | char * /* O - Decoded string */ | |
580 | httpDecode64_2(char *out, /* I - String to write to */ | |
581 | int *outlen, /* IO - Size of output string */ | |
582 | const char *in) /* I - String to read from */ | |
583 | { | |
584 | int pos, /* Bit position */ | |
585 | base64; /* Value of this character */ | |
586 | char *outptr, /* Output pointer */ | |
587 | *outend; /* End of output buffer */ | |
588 | ||
589 | ||
590 | /* | |
591 | * Range check input... | |
592 | */ | |
593 | ||
fa73b229 | 594 | if (!out || !outlen || *outlen < 1 || !in) |
ef416fc2 | 595 | return (NULL); |
596 | ||
fa73b229 | 597 | if (!*in) |
598 | { | |
599 | *out = '\0'; | |
600 | *outlen = 0; | |
601 | ||
602 | return (out); | |
603 | } | |
604 | ||
ef416fc2 | 605 | /* |
606 | * Convert from base-64 to bytes... | |
607 | */ | |
608 | ||
609 | for (outptr = out, outend = out + *outlen - 1, pos = 0; *in != '\0'; in ++) | |
610 | { | |
611 | /* | |
612 | * Decode this character into a number from 0 to 63... | |
613 | */ | |
614 | ||
615 | if (*in >= 'A' && *in <= 'Z') | |
616 | base64 = *in - 'A'; | |
617 | else if (*in >= 'a' && *in <= 'z') | |
618 | base64 = *in - 'a' + 26; | |
619 | else if (*in >= '0' && *in <= '9') | |
620 | base64 = *in - '0' + 52; | |
621 | else if (*in == '+') | |
622 | base64 = 62; | |
623 | else if (*in == '/') | |
624 | base64 = 63; | |
625 | else if (*in == '=') | |
626 | break; | |
627 | else | |
628 | continue; | |
629 | ||
630 | /* | |
631 | * Store the result in the appropriate chars... | |
632 | */ | |
633 | ||
634 | switch (pos) | |
635 | { | |
636 | case 0 : | |
637 | if (outptr < outend) | |
638 | *outptr = base64 << 2; | |
639 | pos ++; | |
640 | break; | |
641 | case 1 : | |
642 | if (outptr < outend) | |
643 | *outptr++ |= (base64 >> 4) & 3; | |
644 | if (outptr < outend) | |
645 | *outptr = (base64 << 4) & 255; | |
646 | pos ++; | |
647 | break; | |
648 | case 2 : | |
649 | if (outptr < outend) | |
650 | *outptr++ |= (base64 >> 2) & 15; | |
651 | if (outptr < outend) | |
652 | *outptr = (base64 << 6) & 255; | |
653 | pos ++; | |
654 | break; | |
655 | case 3 : | |
656 | if (outptr < outend) | |
657 | *outptr++ |= base64; | |
658 | pos = 0; | |
659 | break; | |
660 | } | |
661 | } | |
662 | ||
663 | *outptr = '\0'; | |
664 | ||
665 | /* | |
666 | * Return the decoded string and size... | |
667 | */ | |
668 | ||
669 | *outlen = (int)(outptr - out); | |
670 | ||
671 | return (out); | |
672 | } | |
673 | ||
674 | ||
675 | /* | |
676 | * 'httpEncode64()' - Base64-encode a string. | |
ecdc0628 | 677 | * |
678 | * This function is deprecated. Use the httpEncode64_2() function instead | |
679 | * which provides buffer length arguments. | |
680 | * | |
681 | * @deprecated@ | |
ef416fc2 | 682 | */ |
683 | ||
684 | char * /* O - Encoded string */ | |
685 | httpEncode64(char *out, /* I - String to write to */ | |
686 | const char *in) /* I - String to read from */ | |
687 | { | |
b86bc4cf | 688 | return (httpEncode64_2(out, 512, in, (int)strlen(in))); |
ef416fc2 | 689 | } |
690 | ||
691 | ||
692 | /* | |
693 | * 'httpEncode64_2()' - Base64-encode a string. | |
694 | * | |
f3c17241 | 695 | * @since CUPS 1.1.21/OS X 10.4@ |
ef416fc2 | 696 | */ |
697 | ||
698 | char * /* O - Encoded string */ | |
699 | httpEncode64_2(char *out, /* I - String to write to */ | |
700 | int outlen, /* I - Size of output string */ | |
701 | const char *in, /* I - String to read from */ | |
702 | int inlen) /* I - Size of input string */ | |
703 | { | |
704 | char *outptr, /* Output pointer */ | |
705 | *outend; /* End of output buffer */ | |
706 | static const char base64[] = /* Base64 characters... */ | |
707 | { | |
708 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
709 | "abcdefghijklmnopqrstuvwxyz" | |
710 | "0123456789" | |
711 | "+/" | |
712 | }; | |
713 | ||
714 | ||
715 | /* | |
716 | * Range check input... | |
717 | */ | |
718 | ||
719 | if (!out || outlen < 1 || !in) | |
720 | return (NULL); | |
721 | ||
722 | /* | |
723 | * Convert bytes to base-64... | |
724 | */ | |
725 | ||
726 | for (outptr = out, outend = out + outlen - 1; inlen > 0; in ++, inlen --) | |
727 | { | |
728 | /* | |
729 | * Encode the up to 3 characters as 4 Base64 numbers... | |
730 | */ | |
731 | ||
732 | if (outptr < outend) | |
733 | *outptr ++ = base64[(in[0] & 255) >> 2]; | |
26d47ec6 | 734 | |
ef416fc2 | 735 | if (outptr < outend) |
26d47ec6 | 736 | { |
737 | if (inlen > 1) | |
738 | *outptr ++ = base64[(((in[0] & 255) << 4) | ((in[1] & 255) >> 4)) & 63]; | |
739 | else | |
740 | *outptr ++ = base64[((in[0] & 255) << 4) & 63]; | |
741 | } | |
ef416fc2 | 742 | |
743 | in ++; | |
744 | inlen --; | |
745 | if (inlen <= 0) | |
746 | { | |
747 | if (outptr < outend) | |
748 | *outptr ++ = '='; | |
749 | if (outptr < outend) | |
750 | *outptr ++ = '='; | |
751 | break; | |
752 | } | |
753 | ||
754 | if (outptr < outend) | |
26d47ec6 | 755 | { |
756 | if (inlen > 1) | |
757 | *outptr ++ = base64[(((in[0] & 255) << 2) | ((in[1] & 255) >> 6)) & 63]; | |
758 | else | |
759 | *outptr ++ = base64[((in[0] & 255) << 2) & 63]; | |
760 | } | |
ef416fc2 | 761 | |
762 | in ++; | |
763 | inlen --; | |
764 | if (inlen <= 0) | |
765 | { | |
766 | if (outptr < outend) | |
767 | *outptr ++ = '='; | |
768 | break; | |
769 | } | |
770 | ||
771 | if (outptr < outend) | |
772 | *outptr ++ = base64[in[0] & 63]; | |
773 | } | |
774 | ||
775 | *outptr = '\0'; | |
776 | ||
777 | /* | |
778 | * Return the encoded string... | |
779 | */ | |
780 | ||
781 | return (out); | |
782 | } | |
783 | ||
784 | ||
785 | /* | |
786 | * 'httpGetDateString()' - Get a formatted date/time string from a time value. | |
787 | * | |
788 | * @deprecated@ | |
789 | */ | |
790 | ||
791 | const char * /* O - Date/time string */ | |
792 | httpGetDateString(time_t t) /* I - UNIX time */ | |
793 | { | |
794 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
795 | ||
796 | ||
797 | return (httpGetDateString2(t, cg->http_date, sizeof(cg->http_date))); | |
798 | } | |
799 | ||
800 | ||
801 | /* | |
802 | * 'httpGetDateString2()' - Get a formatted date/time string from a time value. | |
803 | * | |
f3c17241 | 804 | * @since CUPS 1.2/OS X 10.5@ |
ef416fc2 | 805 | */ |
806 | ||
807 | const char * /* O - Date/time string */ | |
808 | httpGetDateString2(time_t t, /* I - UNIX time */ | |
809 | char *s, /* I - String buffer */ | |
810 | int slen) /* I - Size of string buffer */ | |
811 | { | |
812 | struct tm *tdate; /* UNIX date/time data */ | |
813 | ||
814 | ||
815 | tdate = gmtime(&t); | |
3e7fe0ca MS |
816 | if (tdate) |
817 | snprintf(s, slen, "%s, %02d %s %d %02d:%02d:%02d GMT", | |
818 | http_days[tdate->tm_wday], tdate->tm_mday, | |
819 | http_months[tdate->tm_mon], tdate->tm_year + 1900, | |
820 | tdate->tm_hour, tdate->tm_min, tdate->tm_sec); | |
821 | else | |
822 | s[0] = '\0'; | |
ef416fc2 | 823 | |
824 | return (s); | |
825 | } | |
826 | ||
827 | ||
828 | /* | |
829 | * 'httpGetDateTime()' - Get a time value from a formatted date/time string. | |
830 | */ | |
831 | ||
832 | time_t /* O - UNIX time */ | |
833 | httpGetDateTime(const char *s) /* I - Date/time string */ | |
834 | { | |
835 | int i; /* Looping var */ | |
836 | char mon[16]; /* Abbreviated month name */ | |
837 | int day, year; /* Day of month and year */ | |
838 | int hour, min, sec; /* Time */ | |
839 | int days; /* Number of days since 1970 */ | |
840 | static const int normal_days[] = /* Days to a month, normal years */ | |
841 | { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }; | |
842 | static const int leap_days[] = /* Days to a month, leap years */ | |
843 | { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }; | |
844 | ||
845 | ||
e07d4801 | 846 | DEBUG_printf(("2httpGetDateTime(s=\"%s\")", s)); |
ef416fc2 | 847 | |
848 | /* | |
849 | * Extract the date and time from the formatted string... | |
850 | */ | |
851 | ||
852 | if (sscanf(s, "%*s%d%15s%d%d:%d:%d", &day, mon, &year, &hour, &min, &sec) < 6) | |
853 | return (0); | |
854 | ||
e07d4801 MS |
855 | DEBUG_printf(("4httpGetDateTime: day=%d, mon=\"%s\", year=%d, hour=%d, " |
856 | "min=%d, sec=%d", day, mon, year, hour, min, sec)); | |
ef416fc2 | 857 | |
858 | /* | |
859 | * Convert the month name to a number from 0 to 11. | |
860 | */ | |
861 | ||
862 | for (i = 0; i < 12; i ++) | |
88f9aafc | 863 | if (!_cups_strcasecmp(mon, http_months[i])) |
ef416fc2 | 864 | break; |
865 | ||
866 | if (i >= 12) | |
867 | return (0); | |
868 | ||
e07d4801 | 869 | DEBUG_printf(("4httpGetDateTime: i=%d", i)); |
ef416fc2 | 870 | |
871 | /* | |
872 | * Now convert the date and time to a UNIX time value in seconds since | |
873 | * 1970. We can't use mktime() since the timezone may not be UTC but | |
874 | * the date/time string *is* UTC. | |
875 | */ | |
876 | ||
877 | if ((year & 3) == 0 && ((year % 100) != 0 || (year % 400) == 0)) | |
878 | days = leap_days[i] + day - 1; | |
879 | else | |
880 | days = normal_days[i] + day - 1; | |
881 | ||
e07d4801 | 882 | DEBUG_printf(("4httpGetDateTime: days=%d", days)); |
ef416fc2 | 883 | |
884 | days += (year - 1970) * 365 + /* 365 days per year (normally) */ | |
885 | ((year - 1) / 4 - 492) - /* + leap days */ | |
886 | ((year - 1) / 100 - 19) + /* - 100 year days */ | |
887 | ((year - 1) / 400 - 4); /* + 400 year days */ | |
888 | ||
e07d4801 | 889 | DEBUG_printf(("4httpGetDateTime: days=%d\n", days)); |
ef416fc2 | 890 | |
891 | return (days * 86400 + hour * 3600 + min * 60 + sec); | |
892 | } | |
893 | ||
894 | ||
895 | /* | |
896 | * 'httpSeparate()' - Separate a Universal Resource Identifier into its | |
897 | * components. | |
ecdc0628 | 898 | * |
899 | * This function is deprecated; use the httpSeparateURI() function instead. | |
900 | * | |
901 | * @deprecated@ | |
ef416fc2 | 902 | */ |
903 | ||
904 | void | |
905 | httpSeparate(const char *uri, /* I - Universal Resource Identifier */ | |
906 | char *scheme, /* O - Scheme [32] (http, https, etc.) */ | |
907 | char *username, /* O - Username [1024] */ | |
908 | char *host, /* O - Hostname [1024] */ | |
909 | int *port, /* O - Port number to use */ | |
910 | char *resource) /* O - Resource/filename [1024] */ | |
911 | { | |
a4d04587 | 912 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, 32, username, |
913 | HTTP_MAX_URI, host, HTTP_MAX_URI, port, resource, | |
914 | HTTP_MAX_URI); | |
ef416fc2 | 915 | } |
916 | ||
917 | ||
918 | /* | |
919 | * 'httpSeparate2()' - Separate a Universal Resource Identifier into its | |
920 | * components. | |
921 | * | |
ecdc0628 | 922 | * This function is deprecated; use the httpSeparateURI() function instead. |
923 | * | |
f3c17241 | 924 | * @since CUPS 1.1.21/OS X 10.4@ |
ecdc0628 | 925 | * @deprecated@ |
ef416fc2 | 926 | */ |
927 | ||
928 | void | |
929 | httpSeparate2(const char *uri, /* I - Universal Resource Identifier */ | |
930 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
931 | int schemelen, /* I - Size of scheme buffer */ | |
932 | char *username, /* O - Username */ | |
933 | int usernamelen, /* I - Size of username buffer */ | |
934 | char *host, /* O - Hostname */ | |
935 | int hostlen, /* I - Size of hostname buffer */ | |
936 | int *port, /* O - Port number to use */ | |
937 | char *resource, /* O - Resource/filename */ | |
938 | int resourcelen) /* I - Size of resource buffer */ | |
939 | { | |
a4d04587 | 940 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, schemelen, username, |
941 | usernamelen, host, hostlen, port, resource, resourcelen); | |
ef416fc2 | 942 | } |
943 | ||
944 | ||
945 | /* | |
946 | * 'httpSeparateURI()' - Separate a Universal Resource Identifier into its | |
947 | * components. | |
948 | * | |
f3c17241 | 949 | * @since CUPS 1.2/OS X 10.5@ |
ef416fc2 | 950 | */ |
951 | ||
952 | http_uri_status_t /* O - Result of separation */ | |
a4d04587 | 953 | httpSeparateURI( |
954 | http_uri_coding_t decoding, /* I - Decoding flags */ | |
955 | const char *uri, /* I - Universal Resource Identifier */ | |
956 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
957 | int schemelen, /* I - Size of scheme buffer */ | |
958 | char *username, /* O - Username */ | |
959 | int usernamelen, /* I - Size of username buffer */ | |
960 | char *host, /* O - Hostname */ | |
961 | int hostlen, /* I - Size of hostname buffer */ | |
962 | int *port, /* O - Port number to use */ | |
963 | char *resource, /* O - Resource/filename */ | |
964 | int resourcelen) /* I - Size of resource buffer */ | |
ef416fc2 | 965 | { |
966 | char *ptr, /* Pointer into string... */ | |
967 | *end; /* End of string */ | |
968 | const char *sep; /* Separator character */ | |
969 | http_uri_status_t status; /* Result of separation */ | |
970 | ||
971 | ||
972 | /* | |
973 | * Initialize everything to blank... | |
974 | */ | |
975 | ||
976 | if (scheme && schemelen > 0) | |
977 | *scheme = '\0'; | |
978 | ||
979 | if (username && usernamelen > 0) | |
980 | *username = '\0'; | |
981 | ||
982 | if (host && hostlen > 0) | |
983 | *host = '\0'; | |
984 | ||
985 | if (port) | |
986 | *port = 0; | |
987 | ||
988 | if (resource && resourcelen > 0) | |
989 | *resource = '\0'; | |
990 | ||
991 | /* | |
992 | * Range check input... | |
993 | */ | |
994 | ||
995 | if (!uri || !port || !scheme || schemelen <= 0 || !username || | |
996 | usernamelen <= 0 || !host || hostlen <= 0 || !resource || | |
997 | resourcelen <= 0) | |
cb7f98ee | 998 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
ef416fc2 | 999 | |
1000 | if (!*uri) | |
cb7f98ee | 1001 | return (HTTP_URI_STATUS_BAD_URI); |
ef416fc2 | 1002 | |
1003 | /* | |
1004 | * Grab the scheme portion of the URI... | |
1005 | */ | |
1006 | ||
cb7f98ee | 1007 | status = HTTP_URI_STATUS_OK; |
ef416fc2 | 1008 | |
1009 | if (!strncmp(uri, "//", 2)) | |
1010 | { | |
1011 | /* | |
1012 | * Workaround for HP IPP client bug... | |
1013 | */ | |
1014 | ||
1015 | strlcpy(scheme, "ipp", schemelen); | |
cb7f98ee | 1016 | status = HTTP_URI_STATUS_MISSING_SCHEME; |
ef416fc2 | 1017 | } |
1018 | else if (*uri == '/') | |
1019 | { | |
1020 | /* | |
1021 | * Filename... | |
1022 | */ | |
1023 | ||
1024 | strlcpy(scheme, "file", schemelen); | |
cb7f98ee | 1025 | status = HTTP_URI_STATUS_MISSING_SCHEME; |
ef416fc2 | 1026 | } |
1027 | else | |
1028 | { | |
1029 | /* | |
1030 | * Standard URI with scheme... | |
1031 | */ | |
1032 | ||
1033 | for (ptr = scheme, end = scheme + schemelen - 1; | |
1034 | *uri && *uri != ':' && ptr < end;) | |
7cf5915e MS |
1035 | if (strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
1036 | "abcdefghijklmnopqrstuvwxyz" | |
1037 | "0123456789-+.", *uri) != NULL) | |
ef416fc2 | 1038 | *ptr++ = *uri++; |
1039 | else | |
1040 | break; | |
1041 | ||
1042 | *ptr = '\0'; | |
1043 | ||
1044 | if (*uri != ':') | |
1045 | { | |
1046 | *scheme = '\0'; | |
cb7f98ee | 1047 | return (HTTP_URI_STATUS_BAD_SCHEME); |
ef416fc2 | 1048 | } |
1049 | ||
1050 | uri ++; | |
1051 | } | |
1052 | ||
1053 | /* | |
1054 | * Set the default port number... | |
1055 | */ | |
1056 | ||
1057 | if (!strcmp(scheme, "http")) | |
1058 | *port = 80; | |
1059 | else if (!strcmp(scheme, "https")) | |
1060 | *port = 443; | |
7cf5915e | 1061 | else if (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) |
ef416fc2 | 1062 | *port = 631; |
88f9aafc | 1063 | else if (!_cups_strcasecmp(scheme, "lpd")) |
ef416fc2 | 1064 | *port = 515; |
1065 | else if (!strcmp(scheme, "socket")) /* Not yet registered with IANA... */ | |
1066 | *port = 9100; | |
1067 | else if (strcmp(scheme, "file") && strcmp(scheme, "mailto")) | |
cb7f98ee | 1068 | status = HTTP_URI_STATUS_UNKNOWN_SCHEME; |
ef416fc2 | 1069 | |
1070 | /* | |
1071 | * Now see if we have a hostname... | |
1072 | */ | |
1073 | ||
1074 | if (!strncmp(uri, "//", 2)) | |
1075 | { | |
1076 | /* | |
1077 | * Yes, extract it... | |
1078 | */ | |
1079 | ||
1080 | uri += 2; | |
1081 | ||
1082 | /* | |
1083 | * Grab the username, if any... | |
1084 | */ | |
1085 | ||
1086 | if ((sep = strpbrk(uri, "@/")) != NULL && *sep == '@') | |
1087 | { | |
1088 | /* | |
1089 | * Get a username:password combo... | |
1090 | */ | |
1091 | ||
a4d04587 | 1092 | uri = http_copy_decode(username, uri, usernamelen, "@", |
1093 | decoding & HTTP_URI_CODING_USERNAME); | |
ef416fc2 | 1094 | |
1095 | if (!uri) | |
1096 | { | |
1097 | *username = '\0'; | |
cb7f98ee | 1098 | return (HTTP_URI_STATUS_BAD_USERNAME); |
ef416fc2 | 1099 | } |
1100 | ||
1101 | uri ++; | |
1102 | } | |
1103 | ||
1104 | /* | |
1105 | * Then the hostname/IP address... | |
1106 | */ | |
1107 | ||
1108 | if (*uri == '[') | |
1109 | { | |
1110 | /* | |
1111 | * Grab IPv6 address... | |
1112 | */ | |
1113 | ||
1114 | uri ++; | |
86c809d9 MS |
1115 | if (*uri == 'v') |
1116 | { | |
1117 | /* | |
1118 | * Skip IPvFuture ("vXXXX.") prefix... | |
1119 | */ | |
1120 | ||
1121 | uri ++; | |
1122 | ||
1123 | while (isxdigit(*uri & 255)) | |
1124 | uri ++; | |
1125 | ||
1126 | if (*uri != '.') | |
1127 | { | |
1128 | *host = '\0'; | |
1129 | return (HTTP_URI_STATUS_BAD_HOSTNAME); | |
1130 | } | |
1131 | ||
1132 | uri ++; | |
1133 | } | |
ef416fc2 | 1134 | |
a4d04587 | 1135 | uri = http_copy_decode(host, uri, hostlen, "]", |
1136 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1137 | |
1138 | if (!uri) | |
1139 | { | |
1140 | *host = '\0'; | |
cb7f98ee | 1141 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1142 | } |
1143 | ||
1144 | /* | |
1145 | * Validate value... | |
1146 | */ | |
1147 | ||
1148 | if (*uri != ']') | |
1149 | { | |
1150 | *host = '\0'; | |
cb7f98ee | 1151 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1152 | } |
1153 | ||
1154 | uri ++; | |
1155 | ||
1156 | for (ptr = host; *ptr; ptr ++) | |
1157 | if (*ptr == '+') | |
1158 | { | |
1159 | /* | |
1160 | * Convert zone separator to % and stop here... | |
1161 | */ | |
1162 | ||
1163 | *ptr = '%'; | |
1164 | break; | |
1165 | } | |
86c809d9 MS |
1166 | else if (*ptr == '%') |
1167 | { | |
1168 | /* | |
1169 | * Stop at zone separator (RFC 6874) | |
1170 | */ | |
1171 | ||
1172 | break; | |
1173 | } | |
ef416fc2 | 1174 | else if (*ptr != ':' && *ptr != '.' && !isxdigit(*ptr & 255)) |
1175 | { | |
1176 | *host = '\0'; | |
cb7f98ee | 1177 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1178 | } |
1179 | } | |
1180 | else | |
1181 | { | |
1182 | /* | |
b423cd4c | 1183 | * Validate the hostname or IPv4 address first... |
1184 | */ | |
1185 | ||
1186 | for (ptr = (char *)uri; *ptr; ptr ++) | |
1187 | if (strchr(":?/", *ptr)) | |
1188 | break; | |
1189 | else if (!strchr("abcdefghijklmnopqrstuvwxyz" | |
1190 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
1191 | "0123456789" | |
1192 | "-._~" | |
1193 | "%" | |
2fb76298 | 1194 | "!$&'()*+,;=\\", *ptr)) |
b423cd4c | 1195 | { |
1196 | *host = '\0'; | |
cb7f98ee | 1197 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
b423cd4c | 1198 | } |
1199 | ||
1200 | /* | |
1201 | * Then copy the hostname or IPv4 address to the buffer... | |
ef416fc2 | 1202 | */ |
1203 | ||
a4d04587 | 1204 | uri = http_copy_decode(host, uri, hostlen, ":?/", |
1205 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1206 | |
1207 | if (!uri) | |
1208 | { | |
1209 | *host = '\0'; | |
cb7f98ee | 1210 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1211 | } |
ef416fc2 | 1212 | } |
1213 | ||
1214 | /* | |
1215 | * Validate hostname for file scheme - only empty and localhost are | |
1216 | * acceptable. | |
1217 | */ | |
1218 | ||
1219 | if (!strcmp(scheme, "file") && strcmp(host, "localhost") && host[0]) | |
1220 | { | |
1221 | *host = '\0'; | |
cb7f98ee | 1222 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1223 | } |
1224 | ||
1225 | /* | |
1226 | * See if we have a port number... | |
1227 | */ | |
1228 | ||
1229 | if (*uri == ':') | |
1230 | { | |
1231 | /* | |
1232 | * Yes, collect the port number... | |
1233 | */ | |
1234 | ||
dfd5680b MS |
1235 | if (!isdigit(uri[1] & 255)) |
1236 | { | |
1237 | *port = 0; | |
cb7f98ee | 1238 | return (HTTP_URI_STATUS_BAD_PORT); |
dfd5680b MS |
1239 | } |
1240 | ||
ef416fc2 | 1241 | *port = strtol(uri + 1, (char **)&uri, 10); |
1242 | ||
d6ae789d | 1243 | if (*uri != '/' && *uri) |
ef416fc2 | 1244 | { |
1245 | *port = 0; | |
cb7f98ee | 1246 | return (HTTP_URI_STATUS_BAD_PORT); |
ef416fc2 | 1247 | } |
1248 | } | |
1249 | } | |
1250 | ||
1251 | /* | |
1252 | * The remaining portion is the resource string... | |
1253 | */ | |
1254 | ||
1255 | if (*uri == '?' || !*uri) | |
1256 | { | |
1257 | /* | |
1258 | * Hostname but no path... | |
1259 | */ | |
1260 | ||
cb7f98ee | 1261 | status = HTTP_URI_STATUS_MISSING_RESOURCE; |
ef416fc2 | 1262 | *resource = '/'; |
fa73b229 | 1263 | |
1264 | /* | |
a4d04587 | 1265 | * Copy any query string... |
fa73b229 | 1266 | */ |
1267 | ||
1268 | if (*uri == '?') | |
a4d04587 | 1269 | uri = http_copy_decode(resource + 1, uri, resourcelen - 1, NULL, |
1270 | decoding & HTTP_URI_CODING_QUERY); | |
fa73b229 | 1271 | else |
1272 | resource[1] = '\0'; | |
ef416fc2 | 1273 | } |
1274 | else | |
fa73b229 | 1275 | { |
a4d04587 | 1276 | uri = http_copy_decode(resource, uri, resourcelen, "?", |
1277 | decoding & HTTP_URI_CODING_RESOURCE); | |
fa73b229 | 1278 | |
1279 | if (uri && *uri == '?') | |
1280 | { | |
1281 | /* | |
a4d04587 | 1282 | * Concatenate any query string... |
fa73b229 | 1283 | */ |
1284 | ||
a4d04587 | 1285 | char *resptr = resource + strlen(resource); |
1286 | ||
b86bc4cf | 1287 | uri = http_copy_decode(resptr, uri, resourcelen - (int)(resptr - resource), |
a4d04587 | 1288 | NULL, decoding & HTTP_URI_CODING_QUERY); |
fa73b229 | 1289 | } |
1290 | } | |
ef416fc2 | 1291 | |
1292 | if (!uri) | |
1293 | { | |
1294 | *resource = '\0'; | |
cb7f98ee | 1295 | return (HTTP_URI_STATUS_BAD_RESOURCE); |
ef416fc2 | 1296 | } |
1297 | ||
1298 | /* | |
1299 | * Return the URI separation status... | |
1300 | */ | |
1301 | ||
1302 | return (status); | |
1303 | } | |
1304 | ||
1305 | ||
1306 | /* | |
1307 | * 'httpStatus()' - Return a short string describing a HTTP status code. | |
9f5eb9be MS |
1308 | * |
1309 | * The returned string is localized to the current POSIX locale and is based | |
1310 | * on the status strings defined in RFC 2616. | |
ef416fc2 | 1311 | */ |
1312 | ||
9f5eb9be | 1313 | const char * /* O - Localized status string */ |
ef416fc2 | 1314 | httpStatus(http_status_t status) /* I - HTTP status code */ |
1315 | { | |
9f5eb9be MS |
1316 | const char *s; /* Status string */ |
1317 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
1318 | ||
1319 | ||
1320 | if (!cg->lang_default) | |
1321 | cg->lang_default = cupsLangDefault(); | |
1322 | ||
ef416fc2 | 1323 | switch (status) |
1324 | { | |
cb7f98ee | 1325 | case HTTP_STATUS_CONTINUE : |
9f5eb9be MS |
1326 | s = _("Continue"); |
1327 | break; | |
cb7f98ee | 1328 | case HTTP_STATUS_SWITCHING_PROTOCOLS : |
9f5eb9be MS |
1329 | s = _("Switching Protocols"); |
1330 | break; | |
cb7f98ee | 1331 | case HTTP_STATUS_OK : |
9f5eb9be MS |
1332 | s = _("OK"); |
1333 | break; | |
cb7f98ee | 1334 | case HTTP_STATUS_CREATED : |
9f5eb9be MS |
1335 | s = _("Created"); |
1336 | break; | |
cb7f98ee | 1337 | case HTTP_STATUS_ACCEPTED : |
9f5eb9be MS |
1338 | s = _("Accepted"); |
1339 | break; | |
cb7f98ee | 1340 | case HTTP_STATUS_NO_CONTENT : |
9f5eb9be MS |
1341 | s = _("No Content"); |
1342 | break; | |
cb7f98ee | 1343 | case HTTP_STATUS_MOVED_PERMANENTLY : |
9f5eb9be MS |
1344 | s = _("Moved Permanently"); |
1345 | break; | |
cb7f98ee | 1346 | case HTTP_STATUS_SEE_OTHER : |
9f5eb9be MS |
1347 | s = _("See Other"); |
1348 | break; | |
cb7f98ee | 1349 | case HTTP_STATUS_NOT_MODIFIED : |
9f5eb9be MS |
1350 | s = _("Not Modified"); |
1351 | break; | |
cb7f98ee | 1352 | case HTTP_STATUS_BAD_REQUEST : |
9f5eb9be MS |
1353 | s = _("Bad Request"); |
1354 | break; | |
cb7f98ee MS |
1355 | case HTTP_STATUS_UNAUTHORIZED : |
1356 | case HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED : | |
9f5eb9be MS |
1357 | s = _("Unauthorized"); |
1358 | break; | |
cb7f98ee | 1359 | case HTTP_STATUS_FORBIDDEN : |
9f5eb9be MS |
1360 | s = _("Forbidden"); |
1361 | break; | |
cb7f98ee | 1362 | case HTTP_STATUS_NOT_FOUND : |
9f5eb9be MS |
1363 | s = _("Not Found"); |
1364 | break; | |
cb7f98ee | 1365 | case HTTP_STATUS_REQUEST_TOO_LARGE : |
9f5eb9be MS |
1366 | s = _("Request Entity Too Large"); |
1367 | break; | |
cb7f98ee | 1368 | case HTTP_STATUS_URI_TOO_LONG : |
9f5eb9be MS |
1369 | s = _("URI Too Long"); |
1370 | break; | |
cb7f98ee | 1371 | case HTTP_STATUS_UPGRADE_REQUIRED : |
9f5eb9be MS |
1372 | s = _("Upgrade Required"); |
1373 | break; | |
cb7f98ee | 1374 | case HTTP_STATUS_NOT_IMPLEMENTED : |
9f5eb9be MS |
1375 | s = _("Not Implemented"); |
1376 | break; | |
cb7f98ee | 1377 | case HTTP_STATUS_NOT_SUPPORTED : |
9f5eb9be MS |
1378 | s = _("Not Supported"); |
1379 | break; | |
cb7f98ee | 1380 | case HTTP_STATUS_EXPECTATION_FAILED : |
9f5eb9be MS |
1381 | s = _("Expectation Failed"); |
1382 | break; | |
cb7f98ee | 1383 | case HTTP_STATUS_SERVICE_UNAVAILABLE : |
9f5eb9be MS |
1384 | s = _("Service Unavailable"); |
1385 | break; | |
cb7f98ee | 1386 | case HTTP_STATUS_SERVER_ERROR : |
94da7e34 MS |
1387 | s = _("Internal Server Error"); |
1388 | break; | |
cb7f98ee | 1389 | case HTTP_STATUS_CUPS_PKI_ERROR : |
7cf5915e MS |
1390 | s = _("SSL/TLS Negotiation Error"); |
1391 | break; | |
cb7f98ee | 1392 | case HTTP_STATUS_CUPS_WEBIF_DISABLED : |
229681c1 MS |
1393 | s = _("Web Interface is Disabled"); |
1394 | break; | |
b423cd4c | 1395 | |
ef416fc2 | 1396 | default : |
9f5eb9be MS |
1397 | s = _("Unknown"); |
1398 | break; | |
ef416fc2 | 1399 | } |
9f5eb9be MS |
1400 | |
1401 | return (_cupsLangString(cg->lang_default, s)); | |
ef416fc2 | 1402 | } |
1403 | ||
1404 | ||
1405 | #ifndef HAVE_HSTRERROR | |
1406 | /* | |
eac3a0a0 | 1407 | * '_cups_hstrerror()' - hstrerror() emulation function for Solaris and others. |
ef416fc2 | 1408 | */ |
1409 | ||
1410 | const char * /* O - Error string */ | |
1411 | _cups_hstrerror(int error) /* I - Error number */ | |
1412 | { | |
1413 | static const char * const errors[] = /* Error strings */ | |
1414 | { | |
1415 | "OK", | |
1416 | "Host not found.", | |
1417 | "Try again.", | |
1418 | "Unrecoverable lookup error.", | |
1419 | "No data associated with name." | |
1420 | }; | |
1421 | ||
1422 | ||
1423 | if (error < 0 || error > 4) | |
1424 | return ("Unknown hostname lookup error."); | |
1425 | else | |
1426 | return (errors[error]); | |
1427 | } | |
1428 | #endif /* !HAVE_HSTRERROR */ | |
1429 | ||
1430 | ||
1106b00e MS |
1431 | /* |
1432 | * '_httpDecodeURI()' - Percent-decode a HTTP request URI. | |
1433 | */ | |
1434 | ||
1435 | char * /* O - Decoded URI or NULL on error */ | |
1436 | _httpDecodeURI(char *dst, /* I - Destination buffer */ | |
1437 | const char *src, /* I - Source URI */ | |
1438 | size_t dstsize) /* I - Size of destination buffer */ | |
1439 | { | |
1440 | if (http_copy_decode(dst, src, (int)dstsize, NULL, 1)) | |
1441 | return (dst); | |
1442 | else | |
1443 | return (NULL); | |
1444 | } | |
1445 | ||
1446 | ||
839a51c8 MS |
1447 | /* |
1448 | * '_httpEncodeURI()' - Percent-encode a HTTP request URI. | |
1449 | */ | |
1450 | ||
1451 | char * /* O - Encoded URI */ | |
1452 | _httpEncodeURI(char *dst, /* I - Destination buffer */ | |
1453 | const char *src, /* I - Source URI */ | |
1454 | size_t dstsize) /* I - Size of destination buffer */ | |
1455 | { | |
1456 | http_copy_encode(dst, src, dst + dstsize - 1, NULL, NULL, 1); | |
1457 | return (dst); | |
1458 | } | |
1459 | ||
1460 | ||
5eb9da71 MS |
1461 | /* |
1462 | * '_httpResolveURI()' - Resolve a DNS-SD URI. | |
1463 | */ | |
1464 | ||
1465 | const char * /* O - Resolved URI */ | |
1466 | _httpResolveURI( | |
1467 | const char *uri, /* I - DNS-SD URI */ | |
1468 | char *resolved_uri, /* I - Buffer for resolved URI */ | |
1f0275e3 | 1469 | size_t resolved_size, /* I - Size of URI buffer */ |
eac3a0a0 | 1470 | int options, /* I - Resolve options */ |
07ed0e9a MS |
1471 | int (*cb)(void *context), /* I - Continue callback function */ |
1472 | void *context) /* I - Context pointer for callback */ | |
5eb9da71 MS |
1473 | { |
1474 | char scheme[32], /* URI components... */ | |
1475 | userpass[256], | |
1476 | hostname[1024], | |
1477 | resource[1024]; | |
1478 | int port; | |
b19ccc9e | 1479 | #ifdef DEBUG |
1f0275e3 | 1480 | http_uri_status_t status; /* URI decode status */ |
b19ccc9e | 1481 | #endif /* DEBUG */ |
5eb9da71 MS |
1482 | |
1483 | ||
e07d4801 MS |
1484 | DEBUG_printf(("4_httpResolveURI(uri=\"%s\", resolved_uri=%p, " |
1485 | "resolved_size=" CUPS_LLFMT ")", uri, resolved_uri, | |
1f0275e3 MS |
1486 | CUPS_LLCAST resolved_size)); |
1487 | ||
5eb9da71 MS |
1488 | /* |
1489 | * Get the device URI... | |
1490 | */ | |
1491 | ||
b19ccc9e | 1492 | #ifdef DEBUG |
1f0275e3 MS |
1493 | if ((status = httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, |
1494 | sizeof(scheme), userpass, sizeof(userpass), | |
1495 | hostname, sizeof(hostname), &port, resource, | |
cb7f98ee | 1496 | sizeof(resource))) < HTTP_URI_STATUS_OK) |
b19ccc9e MS |
1497 | #else |
1498 | if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, | |
1499 | sizeof(scheme), userpass, sizeof(userpass), | |
1500 | hostname, sizeof(hostname), &port, resource, | |
cb7f98ee | 1501 | sizeof(resource)) < HTTP_URI_STATUS_OK) |
b19ccc9e | 1502 | #endif /* DEBUG */ |
1f0275e3 | 1503 | { |
eac3a0a0 | 1504 | if (options & _HTTP_RESOLVE_STDERR) |
84315f46 | 1505 | _cupsLangPrintFilter(stderr, "ERROR", _("Bad device-uri \"%s\"."), uri); |
1f0275e3 | 1506 | |
e07d4801 MS |
1507 | DEBUG_printf(("6_httpResolveURI: httpSeparateURI returned %d!", status)); |
1508 | DEBUG_puts("5_httpResolveURI: Returning NULL"); | |
5eb9da71 | 1509 | return (NULL); |
1f0275e3 | 1510 | } |
5eb9da71 MS |
1511 | |
1512 | /* | |
1513 | * Resolve it as needed... | |
1514 | */ | |
1515 | ||
1516 | if (strstr(hostname, "._tcp")) | |
1517 | { | |
f3c17241 | 1518 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
5eb9da71 MS |
1519 | char *regtype, /* Pointer to type in hostname */ |
1520 | *domain; /* Pointer to domain in hostname */ | |
1521 | _http_uribuf_t uribuf; /* URI buffer */ | |
f3c17241 MS |
1522 | int offline = 0; /* offline-report state set? */ |
1523 | # ifdef HAVE_DNSSD | |
1524 | # ifdef WIN32 | |
1525 | # pragma comment(lib, "dnssd.lib") | |
1526 | # endif /* WIN32 */ | |
1527 | DNSServiceRef ref, /* DNS-SD master service reference */ | |
1528 | domainref, /* DNS-SD service reference for domain */ | |
1529 | localref; /* DNS-SD service reference for .local */ | |
1530 | int domainsent = 0; /* Send the domain resolve? */ | |
1531 | # ifdef HAVE_POLL | |
38e73f87 | 1532 | struct pollfd polldata; /* Polling data */ |
f3c17241 | 1533 | # else /* select() */ |
6d2f911b MS |
1534 | fd_set input_set; /* Input set for select() */ |
1535 | struct timeval stimeout; /* Timeout value for select() */ | |
f3c17241 MS |
1536 | # endif /* HAVE_POLL */ |
1537 | # elif defined(HAVE_AVAHI) | |
1538 | AvahiClient *client; /* Client information */ | |
1539 | int error; /* Status */ | |
1540 | # endif /* HAVE_DNSSD */ | |
38e73f87 | 1541 | |
eac3a0a0 | 1542 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 | 1543 | fprintf(stderr, "DEBUG: Resolving \"%s\"...\n", hostname); |
5eb9da71 MS |
1544 | |
1545 | /* | |
1546 | * Separate the hostname into service name, registration type, and domain... | |
1547 | */ | |
1548 | ||
1f0275e3 MS |
1549 | for (regtype = strstr(hostname, "._tcp") - 2; |
1550 | regtype > hostname; | |
1551 | regtype --) | |
1552 | if (regtype[0] == '.' && regtype[1] == '_') | |
1553 | { | |
1554 | /* | |
1555 | * Found ._servicetype in front of ._tcp... | |
1556 | */ | |
1557 | ||
1558 | *regtype++ = '\0'; | |
1559 | break; | |
1560 | } | |
1561 | ||
1562 | if (regtype <= hostname) | |
1563 | { | |
e07d4801 | 1564 | DEBUG_puts("5_httpResolveURI: Bad hostname, returning NULL"); |
1f0275e3 MS |
1565 | return (NULL); |
1566 | } | |
5eb9da71 | 1567 | |
5eb9da71 MS |
1568 | for (domain = strchr(regtype, '.'); |
1569 | domain; | |
1570 | domain = strchr(domain + 1, '.')) | |
1571 | if (domain[1] != '_') | |
1572 | break; | |
1573 | ||
1574 | if (domain) | |
1575 | *domain++ = '\0'; | |
1576 | ||
eac3a0a0 MS |
1577 | uribuf.buffer = resolved_uri; |
1578 | uribuf.bufsize = resolved_size; | |
1579 | uribuf.options = options; | |
5a9febac | 1580 | uribuf.resource = resource; |
f3c17241 | 1581 | |
5eb9da71 MS |
1582 | resolved_uri[0] = '\0'; |
1583 | ||
e07d4801 | 1584 | DEBUG_printf(("6_httpResolveURI: Resolving hostname=\"%s\", regtype=\"%s\", " |
1f0275e3 | 1585 | "domain=\"%s\"\n", hostname, regtype, domain)); |
eac3a0a0 | 1586 | if (options & _HTTP_RESOLVE_STDERR) |
1f0275e3 MS |
1587 | { |
1588 | fputs("STATE: +connecting-to-device\n", stderr); | |
38e73f87 MS |
1589 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"%s\", " |
1590 | "domain=\"local.\"...\n", hostname, regtype); | |
1f0275e3 MS |
1591 | } |
1592 | ||
38e73f87 MS |
1593 | uri = NULL; |
1594 | ||
f3c17241 | 1595 | # ifdef HAVE_DNSSD |
38e73f87 | 1596 | if (DNSServiceCreateConnection(&ref) == kDNSServiceErr_NoError) |
5eb9da71 | 1597 | { |
db8b865d | 1598 | int myinterface = kDNSServiceInterfaceIndexAny; |
a469f8a5 MS |
1599 | /* Lookup on any interface */ |
1600 | ||
1601 | if (!strcmp(scheme, "ippusb")) | |
db8b865d | 1602 | myinterface = kDNSServiceInterfaceIndexLocalOnly; |
a469f8a5 | 1603 | |
38e73f87 | 1604 | localref = ref; |
3e7fe0ca | 1605 | if (DNSServiceResolve(&localref, |
db8b865d | 1606 | kDNSServiceFlagsShareConnection, myinterface, |
a469f8a5 | 1607 | hostname, regtype, "local.", http_resolve_cb, |
38e73f87 MS |
1608 | &uribuf) == kDNSServiceErr_NoError) |
1609 | { | |
acb056cb MS |
1610 | int fds; /* Number of ready descriptors */ |
1611 | time_t timeout, /* Poll timeout */ | |
3e7fe0ca MS |
1612 | start_time = time(NULL),/* Start time */ |
1613 | end_time = start_time + 90; | |
1614 | /* End time */ | |
acb056cb | 1615 | |
3e7fe0ca | 1616 | while (time(NULL) < end_time) |
38e73f87 | 1617 | { |
eac3a0a0 | 1618 | if (options & _HTTP_RESOLVE_STDERR) |
0837b7e8 | 1619 | _cupsLangPrintFilter(stderr, "INFO", _("Looking for printer.")); |
acb056cb | 1620 | |
07ed0e9a MS |
1621 | if (cb && !(*cb)(context)) |
1622 | { | |
1623 | DEBUG_puts("5_httpResolveURI: callback returned 0 (stop)"); | |
1624 | break; | |
1625 | } | |
1626 | ||
38e73f87 | 1627 | /* |
3e7fe0ca | 1628 | * Wakeup every 2 seconds to emit a "looking for printer" message... |
38e73f87 MS |
1629 | */ |
1630 | ||
3e7fe0ca MS |
1631 | if ((timeout = end_time - time(NULL)) > 2) |
1632 | timeout = 2; | |
acb056cb | 1633 | |
f3c17241 | 1634 | # ifdef HAVE_POLL |
38e73f87 MS |
1635 | polldata.fd = DNSServiceRefSockFD(ref); |
1636 | polldata.events = POLLIN; | |
1637 | ||
3e7fe0ca | 1638 | fds = poll(&polldata, 1, 1000 * timeout); |
acb056cb | 1639 | |
f3c17241 | 1640 | # else /* select() */ |
6d2f911b MS |
1641 | FD_ZERO(&input_set); |
1642 | FD_SET(DNSServiceRefSockFD(ref), &input_set); | |
1643 | ||
f3c17241 | 1644 | # ifdef WIN32 |
82cc1f9a | 1645 | stimeout.tv_sec = (long)timeout; |
f3c17241 | 1646 | # else |
3e7fe0ca | 1647 | stimeout.tv_sec = timeout; |
f3c17241 | 1648 | # endif /* WIN32 */ |
3e7fe0ca | 1649 | stimeout.tv_usec = 0; |
6d2f911b | 1650 | |
88f9aafc | 1651 | fds = select(DNSServiceRefSockFD(ref)+1, &input_set, NULL, NULL, |
3e7fe0ca | 1652 | &stimeout); |
f3c17241 | 1653 | # endif /* HAVE_POLL */ |
6d2f911b | 1654 | |
acb056cb MS |
1655 | if (fds < 0) |
1656 | { | |
1657 | if (errno != EINTR && errno != EAGAIN) | |
1658 | { | |
1659 | DEBUG_printf(("5_httpResolveURI: poll error: %s", strerror(errno))); | |
1660 | break; | |
1661 | } | |
1662 | } | |
1663 | else if (fds == 0) | |
38e73f87 MS |
1664 | { |
1665 | /* | |
acb056cb MS |
1666 | * Wait 2 seconds for a response to the local resolve; if nothing |
1667 | * comes in, do an additional domain resolution... | |
38e73f87 MS |
1668 | */ |
1669 | ||
3e7fe0ca | 1670 | if (domainsent == 0 && domain && _cups_strcasecmp(domain, "local.")) |
acb056cb | 1671 | { |
eac3a0a0 | 1672 | if (options & _HTTP_RESOLVE_STDERR) |
acb056cb MS |
1673 | fprintf(stderr, |
1674 | "DEBUG: Resolving \"%s\", regtype=\"%s\", " | |
eac3a0a0 MS |
1675 | "domain=\"%s\"...\n", hostname, regtype, |
1676 | domain ? domain : ""); | |
88f9aafc | 1677 | |
acb056cb | 1678 | domainref = ref; |
3e7fe0ca | 1679 | if (DNSServiceResolve(&domainref, |
82cc1f9a | 1680 | kDNSServiceFlagsShareConnection, |
db8b865d | 1681 | myinterface, hostname, regtype, domain, |
3e7fe0ca MS |
1682 | http_resolve_cb, |
1683 | &uribuf) == kDNSServiceErr_NoError) | |
acb056cb MS |
1684 | domainsent = 1; |
1685 | } | |
6c48a6ca MS |
1686 | |
1687 | /* | |
1688 | * If it hasn't resolved within 5 seconds set the offline-report | |
1689 | * printer-state-reason... | |
1690 | */ | |
1691 | ||
eac3a0a0 MS |
1692 | if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 && |
1693 | time(NULL) > (start_time + 5)) | |
6c48a6ca MS |
1694 | { |
1695 | fputs("STATE: +offline-report\n", stderr); | |
1696 | offline = 1; | |
1697 | } | |
38e73f87 | 1698 | } |
acb056cb MS |
1699 | else |
1700 | { | |
1701 | if (DNSServiceProcessResult(ref) == kDNSServiceErr_NoError) | |
1702 | { | |
1703 | uri = resolved_uri; | |
1704 | break; | |
1705 | } | |
1706 | } | |
1707 | } | |
38e73f87 MS |
1708 | |
1709 | if (domainsent) | |
1710 | DNSServiceRefDeallocate(domainref); | |
1711 | ||
1712 | DNSServiceRefDeallocate(localref); | |
1713 | } | |
5eb9da71 MS |
1714 | |
1715 | DNSServiceRefDeallocate(ref); | |
1716 | } | |
f3c17241 MS |
1717 | # else /* HAVE_AVAHI */ |
1718 | if ((uribuf.poll = avahi_simple_poll_new()) != NULL) | |
1719 | { | |
1720 | avahi_simple_poll_set_func(uribuf.poll, http_poll_cb, NULL); | |
1721 | ||
1722 | if ((client = avahi_client_new(avahi_simple_poll_get(uribuf.poll), | |
1723 | 0, http_client_cb, | |
1724 | &uribuf, &error)) != NULL) | |
1725 | { | |
1726 | if (avahi_service_resolver_new(client, AVAHI_IF_UNSPEC, | |
1727 | AVAHI_PROTO_UNSPEC, hostname, | |
1728 | regtype, "local.", AVAHI_PROTO_UNSPEC, 0, | |
1729 | http_resolve_cb, &uribuf) != NULL) | |
1730 | { | |
1731 | time_t start_time = time(NULL), | |
1732 | /* Start time */ | |
1733 | end_time = start_time + 90; | |
1734 | /* End time */ | |
1735 | int pstatus; /* Poll status */ | |
1736 | ||
1737 | pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000); | |
1738 | ||
1739 | if (pstatus == 0 && !resolved_uri[0] && domain && | |
1740 | _cups_strcasecmp(domain, "local.")) | |
1741 | { | |
1742 | /* | |
1743 | * Resolve for .local hasn't returned anything, try the listed | |
1744 | * domain... | |
1745 | */ | |
1746 | ||
1747 | avahi_service_resolver_new(client, AVAHI_IF_UNSPEC, | |
1748 | AVAHI_PROTO_UNSPEC, hostname, | |
1749 | regtype, domain, AVAHI_PROTO_UNSPEC, 0, | |
1750 | http_resolve_cb, &uribuf); | |
1751 | } | |
1752 | ||
1753 | while (!pstatus && !resolved_uri[0] && time(NULL) < end_time) | |
1754 | { | |
1755 | if ((pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000)) != 0) | |
1756 | break; | |
1757 | ||
1758 | /* | |
1759 | * If it hasn't resolved within 5 seconds set the offline-report | |
1760 | * printer-state-reason... | |
1761 | */ | |
1762 | ||
1763 | if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 && | |
1764 | time(NULL) > (start_time + 5)) | |
1765 | { | |
1766 | fputs("STATE: +offline-report\n", stderr); | |
1767 | offline = 1; | |
1768 | } | |
1769 | } | |
1770 | ||
1771 | /* | |
1772 | * Collect the result (if we got one). | |
1773 | */ | |
1774 | ||
1775 | if (resolved_uri[0]) | |
1776 | uri = resolved_uri; | |
1777 | } | |
1778 | ||
1779 | avahi_client_free(client); | |
1780 | } | |
1781 | ||
1782 | avahi_simple_poll_free(uribuf.poll); | |
1783 | } | |
1784 | # endif /* HAVE_DNSSD */ | |
1f0275e3 | 1785 | |
eac3a0a0 | 1786 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 MS |
1787 | { |
1788 | if (uri) | |
3e7fe0ca | 1789 | { |
38e73f87 | 1790 | fprintf(stderr, "DEBUG: Resolved as \"%s\"...\n", uri); |
3e7fe0ca MS |
1791 | fputs("STATE: -connecting-to-device,offline-report\n", stderr); |
1792 | } | |
f11a948a | 1793 | else |
3e7fe0ca | 1794 | { |
4d301e69 | 1795 | fputs("DEBUG: Unable to resolve URI\n", stderr); |
3e7fe0ca MS |
1796 | fputs("STATE: -connecting-to-device\n", stderr); |
1797 | } | |
38e73f87 | 1798 | } |
1f0275e3 | 1799 | |
f3c17241 | 1800 | #else /* HAVE_DNSSD || HAVE_AVAHI */ |
1f0275e3 MS |
1801 | /* |
1802 | * No DNS-SD support... | |
1803 | */ | |
5eb9da71 MS |
1804 | |
1805 | uri = NULL; | |
f3c17241 | 1806 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
1f0275e3 | 1807 | |
eac3a0a0 | 1808 | if ((options & _HTTP_RESOLVE_STDERR) && !uri) |
a469f8a5 | 1809 | _cupsLangPrintFilter(stderr, "INFO", _("Unable to find printer.")); |
5eb9da71 | 1810 | } |
eac3a0a0 MS |
1811 | else |
1812 | { | |
1813 | /* | |
1814 | * Nothing more to do... | |
1815 | */ | |
1816 | ||
1817 | strlcpy(resolved_uri, uri, resolved_size); | |
1818 | uri = resolved_uri; | |
1819 | } | |
5eb9da71 | 1820 | |
e07d4801 | 1821 | DEBUG_printf(("5_httpResolveURI: Returning \"%s\"", uri)); |
1f0275e3 | 1822 | |
5eb9da71 MS |
1823 | return (uri); |
1824 | } | |
1825 | ||
1826 | ||
f3c17241 MS |
1827 | #ifdef HAVE_AVAHI |
1828 | /* | |
1829 | * 'http_client_cb()' - Client callback for resolving URI. | |
1830 | */ | |
1831 | ||
1832 | static void | |
1833 | http_client_cb( | |
1834 | AvahiClient *client, /* I - Client information */ | |
1835 | AvahiClientState state, /* I - Current state */ | |
1836 | void *context) /* I - Pointer to URI buffer */ | |
1837 | { | |
1838 | DEBUG_printf(("7http_client_cb(client=%p, state=%d, context=%p)", client, | |
1839 | state, context)); | |
1840 | ||
1841 | /* | |
1842 | * If the connection drops, quit. | |
1843 | */ | |
1844 | ||
1845 | if (state == AVAHI_CLIENT_FAILURE) | |
1846 | { | |
1847 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; | |
1848 | /* URI buffer */ | |
1849 | ||
1850 | avahi_simple_poll_quit(uribuf->poll); | |
1851 | } | |
1852 | } | |
1853 | #endif /* HAVE_AVAHI */ | |
1854 | ||
1855 | ||
ef416fc2 | 1856 | /* |
1857 | * 'http_copy_decode()' - Copy and decode a URI. | |
1858 | */ | |
1859 | ||
1860 | static const char * /* O - New source pointer or NULL on error */ | |
88f9aafc | 1861 | http_copy_decode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 1862 | const char *src, /* I - Source pointer */ |
1863 | int dstsize, /* I - Destination size */ | |
a4d04587 | 1864 | const char *term, /* I - Terminating characters */ |
1865 | int decode) /* I - Decode %-encoded values */ | |
ef416fc2 | 1866 | { |
1867 | char *ptr, /* Pointer into buffer */ | |
1868 | *end; /* End of buffer */ | |
1869 | int quoted; /* Quoted character */ | |
1870 | ||
1871 | ||
1872 | /* | |
1873 | * Copy the src to the destination until we hit a terminating character | |
1874 | * or the end of the string. | |
1875 | */ | |
1876 | ||
e00b005a | 1877 | for (ptr = dst, end = dst + dstsize - 1; |
1878 | *src && (!term || !strchr(term, *src)); | |
1879 | src ++) | |
ef416fc2 | 1880 | if (ptr < end) |
1881 | { | |
a4d04587 | 1882 | if (*src == '%' && decode) |
ef416fc2 | 1883 | { |
1884 | if (isxdigit(src[1] & 255) && isxdigit(src[2] & 255)) | |
1885 | { | |
1886 | /* | |
1887 | * Grab a hex-encoded character... | |
1888 | */ | |
1889 | ||
1890 | src ++; | |
1891 | if (isalpha(*src)) | |
1892 | quoted = (tolower(*src) - 'a' + 10) << 4; | |
1893 | else | |
1894 | quoted = (*src - '0') << 4; | |
1895 | ||
1896 | src ++; | |
1897 | if (isalpha(*src)) | |
1898 | quoted |= tolower(*src) - 'a' + 10; | |
1899 | else | |
1900 | quoted |= *src - '0'; | |
1901 | ||
1902 | *ptr++ = quoted; | |
1903 | } | |
1904 | else | |
1905 | { | |
1906 | /* | |
1907 | * Bad hex-encoded character... | |
1908 | */ | |
1909 | ||
1910 | *ptr = '\0'; | |
1911 | return (NULL); | |
1912 | } | |
1913 | } | |
6961465f MS |
1914 | else if ((*src & 255) <= 0x20 || (*src & 255) >= 0x7f) |
1915 | { | |
1916 | *ptr = '\0'; | |
1917 | return (NULL); | |
1918 | } | |
ef416fc2 | 1919 | else |
1920 | *ptr++ = *src; | |
1921 | } | |
1922 | ||
1923 | *ptr = '\0'; | |
1924 | ||
1925 | return (src); | |
1926 | } | |
1927 | ||
1928 | ||
1929 | /* | |
1930 | * 'http_copy_encode()' - Copy and encode a URI. | |
1931 | */ | |
1932 | ||
1933 | static char * /* O - End of current URI */ | |
88f9aafc | 1934 | http_copy_encode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 1935 | const char *src, /* I - Source pointer */ |
1936 | char *dstend, /* I - End of destination buffer */ | |
a4d04587 | 1937 | const char *reserved, /* I - Extra reserved characters */ |
1938 | const char *term, /* I - Terminating characters */ | |
1939 | int encode) /* I - %-encode reserved chars? */ | |
ef416fc2 | 1940 | { |
ac884b6a | 1941 | static const char hex[] = "0123456789ABCDEF"; |
ef416fc2 | 1942 | |
1943 | ||
1944 | while (*src && dst < dstend) | |
1945 | { | |
a4d04587 | 1946 | if (term && *src == *term) |
1947 | return (dst); | |
1948 | ||
1949 | if (encode && (*src == '%' || *src <= ' ' || *src & 128 || | |
1950 | (reserved && strchr(reserved, *src)))) | |
ef416fc2 | 1951 | { |
1952 | /* | |
1953 | * Hex encode reserved characters... | |
1954 | */ | |
1955 | ||
1956 | if ((dst + 2) >= dstend) | |
1957 | break; | |
1958 | ||
1959 | *dst++ = '%'; | |
1960 | *dst++ = hex[(*src >> 4) & 15]; | |
1961 | *dst++ = hex[*src & 15]; | |
1962 | ||
1963 | src ++; | |
1964 | } | |
1965 | else | |
1966 | *dst++ = *src++; | |
1967 | } | |
1968 | ||
839a51c8 MS |
1969 | *dst = '\0'; |
1970 | ||
ef416fc2 | 1971 | if (*src) |
1972 | return (NULL); | |
1973 | else | |
1974 | return (dst); | |
1975 | } | |
1976 | ||
1977 | ||
5eb9da71 MS |
1978 | #ifdef HAVE_DNSSD |
1979 | /* | |
eac3a0a0 | 1980 | * 'http_resolve_cb()' - Build a device URI for the given service name. |
5eb9da71 MS |
1981 | */ |
1982 | ||
6d2f911b | 1983 | static void DNSSD_API |
eac3a0a0 | 1984 | http_resolve_cb( |
5eb9da71 MS |
1985 | DNSServiceRef sdRef, /* I - Service reference */ |
1986 | DNSServiceFlags flags, /* I - Results flags */ | |
1987 | uint32_t interfaceIndex, /* I - Interface number */ | |
1988 | DNSServiceErrorType errorCode, /* I - Error, if any */ | |
1989 | const char *fullName, /* I - Full service name */ | |
1990 | const char *hostTarget, /* I - Hostname */ | |
1991 | uint16_t port, /* I - Port number */ | |
1992 | uint16_t txtLen, /* I - Length of TXT record */ | |
1993 | const unsigned char *txtRecord, /* I - TXT record data */ | |
1994 | void *context) /* I - Pointer to URI buffer */ | |
1995 | { | |
f3c17241 MS |
1996 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; |
1997 | /* URI buffer */ | |
eac3a0a0 | 1998 | const char *scheme, /* URI scheme */ |
f3c17241 MS |
1999 | *hostptr, /* Pointer into hostTarget */ |
2000 | *reskey, /* "rp" or "rfo" */ | |
2001 | *resdefault; /* Default path */ | |
2002 | char resource[257], /* Remote path */ | |
eac3a0a0 | 2003 | fqdn[256]; /* FQDN of the .local name */ |
5eb9da71 MS |
2004 | const void *value; /* Value from TXT record */ |
2005 | uint8_t valueLen; /* Length of value */ | |
5eb9da71 MS |
2006 | |
2007 | ||
eac3a0a0 | 2008 | DEBUG_printf(("7http_resolve_cb(sdRef=%p, flags=%x, interfaceIndex=%u, " |
5eb9da71 | 2009 | "errorCode=%d, fullName=\"%s\", hostTarget=\"%s\", port=%u, " |
e07d4801 | 2010 | "txtLen=%u, txtRecord=%p, context=%p)", sdRef, flags, |
5eb9da71 MS |
2011 | interfaceIndex, errorCode, fullName, hostTarget, port, txtLen, |
2012 | txtRecord, context)); | |
2013 | ||
2014 | /* | |
2015 | * Figure out the scheme from the full name... | |
2016 | */ | |
2017 | ||
eac3a0a0 MS |
2018 | if (strstr(fullName, "._ipps") || strstr(fullName, "._ipp-tls")) |
2019 | scheme = "ipps"; | |
2020 | else if (strstr(fullName, "._ipp") || strstr(fullName, "._fax-ipp")) | |
5eb9da71 | 2021 | scheme = "ipp"; |
eac3a0a0 MS |
2022 | else if (strstr(fullName, "._http.")) |
2023 | scheme = "http"; | |
2024 | else if (strstr(fullName, "._https.")) | |
2025 | scheme = "https"; | |
5eb9da71 MS |
2026 | else if (strstr(fullName, "._printer.")) |
2027 | scheme = "lpd"; | |
2028 | else if (strstr(fullName, "._pdl-datastream.")) | |
2029 | scheme = "socket"; | |
2030 | else | |
2031 | scheme = "riousbprint"; | |
2032 | ||
2033 | /* | |
2034 | * Extract the "remote printer" key from the TXT record... | |
2035 | */ | |
2036 | ||
f3c17241 MS |
2037 | if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) && |
2038 | (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps"))) | |
2039 | { | |
2040 | reskey = "rfo"; | |
2041 | resdefault = "/ipp/faxout"; | |
2042 | } | |
2043 | else | |
2044 | { | |
2045 | reskey = "rp"; | |
2046 | resdefault = "/"; | |
2047 | } | |
2048 | ||
2049 | if ((value = TXTRecordGetValuePtr(txtLen, txtRecord, reskey, | |
5eb9da71 | 2050 | &valueLen)) != NULL) |
9b66acc5 MS |
2051 | { |
2052 | if (((char *)value)[0] == '/') | |
2053 | { | |
2054 | /* | |
f3c17241 | 2055 | * Value (incorrectly) has a leading slash already... |
9b66acc5 MS |
2056 | */ |
2057 | ||
f3c17241 MS |
2058 | memcpy(resource, value, valueLen); |
2059 | resource[valueLen] = '\0'; | |
9b66acc5 MS |
2060 | } |
2061 | else | |
2062 | { | |
2063 | /* | |
2064 | * Convert to resource by concatenating with a leading "/"... | |
2065 | */ | |
2066 | ||
f3c17241 MS |
2067 | resource[0] = '/'; |
2068 | memcpy(resource + 1, value, valueLen); | |
2069 | resource[valueLen + 1] = '\0'; | |
9b66acc5 MS |
2070 | } |
2071 | } | |
2072 | else | |
5eb9da71 MS |
2073 | { |
2074 | /* | |
f3c17241 | 2075 | * Use the default value... |
5eb9da71 MS |
2076 | */ |
2077 | ||
f3c17241 | 2078 | strlcpy(resource, resdefault, sizeof(resource)); |
5eb9da71 | 2079 | } |
5eb9da71 MS |
2080 | |
2081 | /* | |
eac3a0a0 | 2082 | * Lookup the FQDN if needed... |
5eb9da71 MS |
2083 | */ |
2084 | ||
eac3a0a0 MS |
2085 | if ((uribuf->options & _HTTP_RESOLVE_FQDN) && |
2086 | (hostptr = hostTarget + strlen(hostTarget) - 7) > hostTarget && | |
88f9aafc | 2087 | !_cups_strcasecmp(hostptr, ".local.")) |
eac3a0a0 MS |
2088 | { |
2089 | /* | |
2090 | * OK, we got a .local name but the caller needs a real domain. Start by | |
2091 | * getting the IP address of the .local name and then do reverse-lookups... | |
2092 | */ | |
2093 | ||
2094 | http_addrlist_t *addrlist, /* List of addresses */ | |
2095 | *addr; /* Current address */ | |
2096 | ||
2097 | DEBUG_printf(("8http_resolve_cb: Looking up \"%s\".", hostTarget)); | |
2098 | ||
2099 | snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port)); | |
2100 | if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL) | |
2101 | { | |
2102 | for (addr = addrlist; addr; addr = addr->next) | |
2103 | { | |
2104 | int error = getnameinfo(&(addr->addr.addr), | |
2105 | httpAddrLength(&(addr->addr)), | |
2106 | fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD); | |
2107 | ||
2108 | if (!error) | |
2109 | { | |
2110 | DEBUG_printf(("8http_resolve_cb: Found \"%s\".", fqdn)); | |
2111 | ||
2112 | if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn || | |
88f9aafc | 2113 | _cups_strcasecmp(hostptr, ".local")) |
eac3a0a0 MS |
2114 | { |
2115 | hostTarget = fqdn; | |
2116 | break; | |
2117 | } | |
2118 | } | |
2119 | #ifdef DEBUG | |
2120 | else | |
2121 | DEBUG_printf(("8http_resolve_cb: \"%s\" did not resolve: %d", | |
2122 | httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)), | |
2123 | error)); | |
2124 | #endif /* DEBUG */ | |
2125 | } | |
0fa6c7fa MS |
2126 | |
2127 | httpAddrFreeList(addrlist); | |
eac3a0a0 MS |
2128 | } |
2129 | } | |
2130 | ||
2131 | /* | |
2132 | * Assemble the final device URI... | |
2133 | */ | |
5eb9da71 | 2134 | |
5a9febac MS |
2135 | if ((!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2136 | !strcmp(uribuf->resource, "/cups")) | |
2137 | httpAssembleURIf(HTTP_URI_CODING_ALL, uribuf->buffer, uribuf->bufsize, | |
2138 | scheme, NULL, hostTarget, ntohs(port), "%s?snmp=false", | |
2139 | resource); | |
2140 | else | |
2141 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, uribuf->bufsize, | |
2142 | scheme, NULL, hostTarget, ntohs(port), resource); | |
5eb9da71 | 2143 | |
eac3a0a0 | 2144 | DEBUG_printf(("8http_resolve_cb: Resolved URI is \"%s\"...", uribuf->buffer)); |
5eb9da71 | 2145 | } |
f3c17241 MS |
2146 | |
2147 | #elif defined(HAVE_AVAHI) | |
2148 | /* | |
2149 | * 'http_poll_cb()' - Wait for input on the specified file descriptors. | |
2150 | * | |
2151 | * Note: This function is needed because avahi_simple_poll_iterate is broken | |
2152 | * and always uses a timeout of 0 (!) milliseconds. | |
2153 | * (Avahi Ticket #364) | |
2154 | */ | |
2155 | ||
2156 | static int /* O - Number of file descriptors matching */ | |
2157 | http_poll_cb( | |
2158 | struct pollfd *pollfds, /* I - File descriptors */ | |
2159 | unsigned int num_pollfds, /* I - Number of file descriptors */ | |
2160 | int timeout, /* I - Timeout in milliseconds (used) */ | |
2161 | void *context) /* I - User data (unused) */ | |
2162 | { | |
2163 | (void)timeout; | |
2164 | (void)context; | |
2165 | ||
2166 | return (poll(pollfds, num_pollfds, 2000)); | |
2167 | } | |
2168 | ||
2169 | ||
2170 | /* | |
2171 | * 'http_resolve_cb()' - Build a device URI for the given service name. | |
2172 | */ | |
2173 | ||
2174 | static void | |
2175 | http_resolve_cb( | |
2176 | AvahiServiceResolver *resolver, /* I - Resolver (unused) */ | |
2177 | AvahiIfIndex interface, /* I - Interface index (unused) */ | |
2178 | AvahiProtocol protocol, /* I - Network protocol (unused) */ | |
2179 | AvahiResolverEvent event, /* I - Event (found, etc.) */ | |
2180 | const char *name, /* I - Service name */ | |
2181 | const char *type, /* I - Registration type */ | |
2182 | const char *domain, /* I - Domain (unused) */ | |
2183 | const char *hostTarget, /* I - Hostname */ | |
2184 | const AvahiAddress *address, /* I - Address (unused) */ | |
2185 | uint16_t port, /* I - Port number */ | |
2186 | AvahiStringList *txt, /* I - TXT record */ | |
2187 | AvahiLookupResultFlags flags, /* I - Lookup flags (unused) */ | |
2188 | void *context) /* I - Pointer to URI buffer */ | |
2189 | { | |
2190 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; | |
2191 | /* URI buffer */ | |
2192 | const char *scheme, /* URI scheme */ | |
2193 | *hostptr, /* Pointer into hostTarget */ | |
2194 | *reskey, /* "rp" or "rfo" */ | |
2195 | *resdefault; /* Default path */ | |
2196 | char resource[257], /* Remote path */ | |
2197 | fqdn[256]; /* FQDN of the .local name */ | |
2198 | AvahiStringList *pair; /* Current TXT record key/value pair */ | |
2199 | char *value; /* Value for "rp" key */ | |
2200 | size_t valueLen = 0; /* Length of "rp" key */ | |
2201 | ||
2202 | ||
2203 | DEBUG_printf(("7http_resolve_cb(resolver=%p, " | |
2204 | "interface=%d, protocol=%d, event=%d, name=\"%s\", " | |
2205 | "type=\"%s\", domain=\"%s\", hostTarget=\"%s\", address=%p, " | |
2206 | "port=%d, txt=%p, flags=%d, context=%p)", | |
2207 | resolver, interface, protocol, event, name, type, domain, | |
2208 | hostTarget, address, port, txt, flags, context)); | |
2209 | ||
2210 | if (event != AVAHI_RESOLVER_FOUND) | |
2211 | { | |
2212 | avahi_service_resolver_free(resolver); | |
2213 | avahi_simple_poll_quit(uribuf->poll); | |
2214 | return; | |
2215 | } | |
2216 | ||
2217 | /* | |
2218 | * Figure out the scheme from the full name... | |
2219 | */ | |
2220 | ||
2221 | if (strstr(type, "_ipp.")) | |
2222 | scheme = "ipp"; | |
2223 | else if (strstr(type, "_printer.")) | |
2224 | scheme = "lpd"; | |
2225 | else if (strstr(type, "_pdl-datastream.")) | |
2226 | scheme = "socket"; | |
2227 | else | |
2228 | scheme = "riousbprint"; | |
2229 | ||
2230 | if (!strncmp(type, "_ipps.", 6) || !strncmp(type, "_ipp-tls.", 9)) | |
2231 | scheme = "ipps"; | |
2232 | else if (!strncmp(type, "_ipp.", 5) || !strncmp(type, "_fax-ipp.", 9)) | |
2233 | scheme = "ipp"; | |
2234 | else if (!strncmp(type, "_http.", 6)) | |
2235 | scheme = "http"; | |
2236 | else if (!strncmp(type, "_https.", 7)) | |
2237 | scheme = "https"; | |
2238 | else if (!strncmp(type, "_printer.", 9)) | |
2239 | scheme = "lpd"; | |
2240 | else if (!strncmp(type, "_pdl-datastream.", 16)) | |
2241 | scheme = "socket"; | |
2242 | else | |
2243 | { | |
2244 | avahi_service_resolver_free(resolver); | |
2245 | avahi_simple_poll_quit(uribuf->poll); | |
2246 | return; | |
2247 | } | |
2248 | ||
2249 | /* | |
2250 | * Extract the remote resource key from the TXT record... | |
2251 | */ | |
2252 | ||
2253 | if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) && | |
2254 | (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps"))) | |
2255 | { | |
2256 | reskey = "rfo"; | |
2257 | resdefault = "/ipp/faxout"; | |
2258 | } | |
2259 | else | |
2260 | { | |
2261 | reskey = "rp"; | |
2262 | resdefault = "/"; | |
2263 | } | |
2264 | ||
2265 | if ((pair = avahi_string_list_find(txt, reskey)) != NULL) | |
2266 | { | |
2267 | avahi_string_list_get_pair(pair, NULL, &value, &valueLen); | |
2268 | ||
2269 | if (value[0] == '/') | |
2270 | { | |
2271 | /* | |
2272 | * Value (incorrectly) has a leading slash already... | |
2273 | */ | |
2274 | ||
2275 | memcpy(resource, value, valueLen); | |
2276 | resource[valueLen] = '\0'; | |
2277 | } | |
2278 | else | |
2279 | { | |
2280 | /* | |
2281 | * Convert to resource by concatenating with a leading "/"... | |
2282 | */ | |
2283 | ||
2284 | resource[0] = '/'; | |
2285 | memcpy(resource + 1, value, valueLen); | |
2286 | resource[valueLen + 1] = '\0'; | |
2287 | } | |
2288 | } | |
2289 | else | |
2290 | { | |
2291 | /* | |
2292 | * Use the default value... | |
2293 | */ | |
2294 | ||
2295 | strlcpy(resource, resdefault, sizeof(resource)); | |
2296 | } | |
2297 | ||
2298 | /* | |
2299 | * Lookup the FQDN if needed... | |
2300 | */ | |
2301 | ||
2302 | if ((uribuf->options & _HTTP_RESOLVE_FQDN) && | |
2303 | (hostptr = hostTarget + strlen(hostTarget) - 6) > hostTarget && | |
2304 | !_cups_strcasecmp(hostptr, ".local")) | |
2305 | { | |
2306 | /* | |
2307 | * OK, we got a .local name but the caller needs a real domain. Start by | |
2308 | * getting the IP address of the .local name and then do reverse-lookups... | |
2309 | */ | |
2310 | ||
2311 | http_addrlist_t *addrlist, /* List of addresses */ | |
2312 | *addr; /* Current address */ | |
2313 | ||
2314 | DEBUG_printf(("8http_resolve_cb: Looking up \"%s\".", hostTarget)); | |
2315 | ||
2316 | snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port)); | |
2317 | if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL) | |
2318 | { | |
2319 | for (addr = addrlist; addr; addr = addr->next) | |
2320 | { | |
2321 | int error = getnameinfo(&(addr->addr.addr), | |
2322 | httpAddrLength(&(addr->addr)), | |
2323 | fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD); | |
2324 | ||
2325 | if (!error) | |
2326 | { | |
2327 | DEBUG_printf(("8http_resolve_cb: Found \"%s\".", fqdn)); | |
2328 | ||
2329 | if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn || | |
2330 | _cups_strcasecmp(hostptr, ".local")) | |
2331 | { | |
2332 | hostTarget = fqdn; | |
2333 | break; | |
2334 | } | |
2335 | } | |
2336 | #ifdef DEBUG | |
2337 | else | |
2338 | DEBUG_printf(("8http_resolve_cb: \"%s\" did not resolve: %d", | |
2339 | httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)), | |
2340 | error)); | |
2341 | #endif /* DEBUG */ | |
2342 | } | |
0fa6c7fa MS |
2343 | |
2344 | httpAddrFreeList(addrlist); | |
f3c17241 MS |
2345 | } |
2346 | } | |
2347 | ||
2348 | /* | |
2349 | * Assemble the final device URI using the resolved hostname... | |
2350 | */ | |
2351 | ||
2352 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, uribuf->bufsize, scheme, | |
2353 | NULL, hostTarget, port, resource); | |
2354 | DEBUG_printf(("8http_resolve_cb: Resolved URI is \"%s\".", uribuf->buffer)); | |
2355 | ||
2356 | avahi_simple_poll_quit(uribuf->poll); | |
2357 | } | |
5eb9da71 MS |
2358 | #endif /* HAVE_DNSSD */ |
2359 | ||
2360 | ||
ef416fc2 | 2361 | /* |
f2d18633 | 2362 | * End of "$Id$". |
ef416fc2 | 2363 | */ |