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Commit | Line | Data |
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ef416fc2 | 1 | /* |
f2d18633 | 2 | * "$Id$" |
ef416fc2 | 3 | * |
5ec1fd3d | 4 | * HTTP support routines for CUPS. |
ef416fc2 | 5 | * |
7e86f2f6 | 6 | * Copyright 2007-2014 by Apple Inc. |
5ec1fd3d | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 8 | * |
5ec1fd3d MS |
9 | * These coded instructions, statements, and computer programs are the |
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 | * |
5ec1fd3d | 15 | * This file is subject to the Apple OS-Developed Software exception. |
ef416fc2 | 16 | */ |
17 | ||
18 | /* | |
19 | * Include necessary headers... | |
20 | */ | |
21 | ||
71e16022 | 22 | #include "cups-private.h" |
5eb9da71 MS |
23 | #ifdef HAVE_DNSSD |
24 | # include <dns_sd.h> | |
6d2f911b MS |
25 | # ifdef WIN32 |
26 | # include <io.h> | |
27 | # elif defined(HAVE_POLL) | |
28 | # include <poll.h> | |
29 | # else | |
30 | # include <sys/select.h> | |
31 | # endif /* WIN32 */ | |
f3c17241 MS |
32 | #elif defined(HAVE_AVAHI) |
33 | # include <avahi-client/client.h> | |
34 | # include <avahi-client/lookup.h> | |
35 | # include <avahi-common/simple-watch.h> | |
5eb9da71 MS |
36 | #endif /* HAVE_DNSSD */ |
37 | ||
38 | ||
39 | /* | |
40 | * Local types... | |
41 | */ | |
42 | ||
43 | typedef struct _http_uribuf_s /* URI buffer */ | |
44 | { | |
f3c17241 MS |
45 | #ifdef HAVE_AVAHI |
46 | AvahiSimplePoll *poll; /* Poll state */ | |
47 | #endif /* HAVE_AVAHI */ | |
48 | char *buffer; /* Pointer to buffer */ | |
49 | size_t bufsize; /* Size of buffer */ | |
50 | int options; /* Options passed to _httpResolveURI */ | |
5a9febac | 51 | const char *resource; /* Resource from URI */ |
2c3f5865 | 52 | const char *uuid; /* UUID from URI */ |
5eb9da71 | 53 | } _http_uribuf_t; |
ef416fc2 | 54 | |
55 | ||
56 | /* | |
57 | * Local globals... | |
58 | */ | |
59 | ||
5ec1fd3d | 60 | static const char * const http_days[7] =/* Days of the week */ |
ef416fc2 | 61 | { |
0a682745 MS |
62 | "Sun", |
63 | "Mon", | |
ef416fc2 | 64 | "Tue", |
65 | "Wed", | |
66 | "Thu", | |
67 | "Fri", | |
68 | "Sat" | |
69 | }; | |
70 | static const char * const http_months[12] = | |
5ec1fd3d | 71 | { /* Months of the year */ |
ef416fc2 | 72 | "Jan", |
73 | "Feb", | |
74 | "Mar", | |
75 | "Apr", | |
76 | "May", | |
77 | "Jun", | |
78 | "Jul", | |
79 | "Aug", | |
80 | "Sep", | |
81 | "Oct", | |
82 | "Nov", | |
83 | "Dec" | |
84 | }; | |
5ec1fd3d MS |
85 | static const char * const http_states[] = |
86 | { /* HTTP state strings */ | |
87 | "HTTP_STATE_ERROR", | |
88 | "HTTP_STATE_WAITING", | |
89 | "HTTP_STATE_OPTIONS", | |
90 | "HTTP_STATE_GET", | |
91 | "HTTP_STATE_GET_SEND", | |
92 | "HTTP_STATE_HEAD", | |
93 | "HTTP_STATE_POST", | |
94 | "HTTP_STATE_POST_RECV", | |
95 | "HTTP_STATE_POST_SEND", | |
96 | "HTTP_STATE_PUT", | |
97 | "HTTP_STATE_PUT_RECV", | |
98 | "HTTP_STATE_DELETE", | |
99 | "HTTP_STATE_TRACE", | |
100 | "HTTP_STATE_CONNECT", | |
101 | "HTTP_STATE_STATUS", | |
102 | "HTTP_STATE_UNKNOWN_METHOD", | |
103 | "HTTP_STATE_UNKNOWN_VERSION" | |
104 | }; | |
ef416fc2 | 105 | |
106 | ||
107 | /* | |
108 | * Local functions... | |
109 | */ | |
110 | ||
111 | static const char *http_copy_decode(char *dst, const char *src, | |
a4d04587 | 112 | int dstsize, const char *term, |
113 | int decode); | |
ef416fc2 | 114 | static char *http_copy_encode(char *dst, const char *src, |
a4d04587 | 115 | char *dstend, const char *reserved, |
116 | const char *term, int encode); | |
5eb9da71 | 117 | #ifdef HAVE_DNSSD |
eac3a0a0 MS |
118 | static void DNSSD_API http_resolve_cb(DNSServiceRef sdRef, |
119 | DNSServiceFlags flags, | |
120 | uint32_t interfaceIndex, | |
121 | DNSServiceErrorType errorCode, | |
122 | const char *fullName, | |
123 | const char *hostTarget, | |
124 | uint16_t port, uint16_t txtLen, | |
125 | const unsigned char *txtRecord, | |
126 | void *context); | |
5eb9da71 | 127 | #endif /* HAVE_DNSSD */ |
ef416fc2 | 128 | |
f3c17241 MS |
129 | #ifdef HAVE_AVAHI |
130 | static void http_client_cb(AvahiClient *client, | |
131 | AvahiClientState state, void *simple_poll); | |
132 | static int http_poll_cb(struct pollfd *pollfds, unsigned int num_pollfds, | |
133 | int timeout, void *context); | |
134 | static void http_resolve_cb(AvahiServiceResolver *resolver, | |
135 | AvahiIfIndex interface, | |
136 | AvahiProtocol protocol, | |
137 | AvahiResolverEvent event, | |
138 | const char *name, const char *type, | |
139 | const char *domain, const char *host_name, | |
140 | const AvahiAddress *address, uint16_t port, | |
141 | AvahiStringList *txt, | |
142 | AvahiLookupResultFlags flags, void *context); | |
143 | #endif /* HAVE_AVAHI */ | |
144 | ||
ef416fc2 | 145 | |
146 | /* | |
147 | * 'httpAssembleURI()' - Assemble a uniform resource identifier from its | |
148 | * components. | |
149 | * | |
ecdc0628 | 150 | * This function escapes reserved characters in the URI depending on the |
151 | * value of the "encoding" argument. You should use this function in | |
152 | * place of traditional string functions whenever you need to create a | |
153 | * URI string. | |
ef416fc2 | 154 | * |
f3c17241 | 155 | * @since CUPS 1.2/OS X 10.5@ |
ef416fc2 | 156 | */ |
157 | ||
158 | http_uri_status_t /* O - URI status */ | |
a4d04587 | 159 | httpAssembleURI( |
160 | http_uri_coding_t encoding, /* I - Encoding flags */ | |
161 | char *uri, /* I - URI buffer */ | |
162 | int urilen, /* I - Size of URI buffer */ | |
163 | const char *scheme, /* I - Scheme name */ | |
164 | const char *username, /* I - Username */ | |
165 | const char *host, /* I - Hostname or address */ | |
166 | int port, /* I - Port number */ | |
167 | const char *resource) /* I - Resource */ | |
ef416fc2 | 168 | { |
169 | char *ptr, /* Pointer into URI buffer */ | |
170 | *end; /* End of URI buffer */ | |
ef416fc2 | 171 | |
172 | ||
173 | /* | |
174 | * Range check input... | |
175 | */ | |
176 | ||
177 | if (!uri || urilen < 1 || !scheme || port < 0) | |
178 | { | |
179 | if (uri) | |
180 | *uri = '\0'; | |
181 | ||
cb7f98ee | 182 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
ef416fc2 | 183 | } |
184 | ||
185 | /* | |
186 | * Assemble the URI starting with the scheme... | |
187 | */ | |
188 | ||
189 | end = uri + urilen - 1; | |
a4d04587 | 190 | ptr = http_copy_encode(uri, scheme, end, NULL, NULL, 0); |
ef416fc2 | 191 | |
192 | if (!ptr) | |
193 | goto assemble_overflow; | |
194 | ||
60bc88e1 | 195 | if (!strcmp(scheme, "geo") || !strcmp(scheme, "mailto") || !strcmp(scheme, "tel")) |
ef416fc2 | 196 | { |
197 | /* | |
60bc88e1 | 198 | * geo:, mailto:, and tel: only have :, no //... |
ef416fc2 | 199 | */ |
200 | ||
201 | if (ptr < end) | |
202 | *ptr++ = ':'; | |
203 | else | |
204 | goto assemble_overflow; | |
205 | } | |
206 | else | |
207 | { | |
208 | /* | |
60bc88e1 | 209 | * Schemes other than geo:, mailto:, and tel: typically have //... |
ef416fc2 | 210 | */ |
211 | ||
212 | if ((ptr + 2) < end) | |
213 | { | |
214 | *ptr++ = ':'; | |
215 | *ptr++ = '/'; | |
216 | *ptr++ = '/'; | |
217 | } | |
218 | else | |
219 | goto assemble_overflow; | |
220 | } | |
221 | ||
222 | /* | |
223 | * Next the username and hostname, if any... | |
224 | */ | |
225 | ||
226 | if (host) | |
227 | { | |
ff862e50 MS |
228 | const char *hostptr; /* Pointer into hostname */ |
229 | int have_ipv6; /* Do we have an IPv6 address? */ | |
230 | ||
ef416fc2 | 231 | if (username && *username) |
232 | { | |
233 | /* | |
234 | * Add username@ first... | |
235 | */ | |
236 | ||
85dda01c | 237 | ptr = http_copy_encode(ptr, username, end, "/?#[]@", NULL, |
a4d04587 | 238 | encoding & HTTP_URI_CODING_USERNAME); |
ef416fc2 | 239 | |
240 | if (!ptr) | |
241 | goto assemble_overflow; | |
242 | ||
243 | if (ptr < end) | |
244 | *ptr++ = '@'; | |
245 | else | |
246 | goto assemble_overflow; | |
247 | } | |
248 | ||
249 | /* | |
250 | * Then add the hostname. Since IPv6 is a particular pain to deal | |
c9fc04c6 | 251 | * with, we have several special cases to deal with. If we get |
ef416fc2 | 252 | * an IPv6 address with brackets around it, assume it is already in |
c9fc04c6 MS |
253 | * URI format. Since DNS-SD service names can sometimes look like |
254 | * raw IPv6 addresses, we specifically look for "._tcp" in the name, | |
255 | * too... | |
ef416fc2 | 256 | */ |
257 | ||
ff862e50 MS |
258 | for (hostptr = host, |
259 | have_ipv6 = strchr(host, ':') && !strstr(host, "._tcp"); | |
260 | *hostptr && have_ipv6; | |
261 | hostptr ++) | |
262 | if (*hostptr != ':' && !isxdigit(*hostptr & 255)) | |
263 | { | |
264 | have_ipv6 = *hostptr == '%'; | |
265 | break; | |
266 | } | |
267 | ||
268 | if (have_ipv6) | |
ef416fc2 | 269 | { |
270 | /* | |
c9fc04c6 | 271 | * We have a raw IPv6 address... |
ef416fc2 | 272 | */ |
273 | ||
86c809d9 | 274 | if (strchr(host, '%') && !(encoding & HTTP_URI_CODING_RFC6874)) |
ef416fc2 | 275 | { |
276 | /* | |
277 | * We have a link-local address, add "[v1." prefix... | |
278 | */ | |
279 | ||
280 | if ((ptr + 4) < end) | |
281 | { | |
282 | *ptr++ = '['; | |
283 | *ptr++ = 'v'; | |
284 | *ptr++ = '1'; | |
285 | *ptr++ = '.'; | |
286 | } | |
287 | else | |
288 | goto assemble_overflow; | |
289 | } | |
290 | else | |
291 | { | |
292 | /* | |
ff862e50 | 293 | * We have a normal (or RFC 6874 link-local) address, add "[" prefix... |
ef416fc2 | 294 | */ |
295 | ||
296 | if (ptr < end) | |
297 | *ptr++ = '['; | |
298 | else | |
299 | goto assemble_overflow; | |
300 | } | |
301 | ||
302 | /* | |
303 | * Copy the rest of the IPv6 address, and terminate with "]". | |
304 | */ | |
305 | ||
306 | while (ptr < end && *host) | |
307 | { | |
308 | if (*host == '%') | |
86c809d9 MS |
309 | { |
310 | /* | |
311 | * Convert/encode zone separator | |
312 | */ | |
313 | ||
314 | if (encoding & HTTP_URI_CODING_RFC6874) | |
315 | { | |
316 | if (ptr >= (end - 2)) | |
317 | goto assemble_overflow; | |
318 | ||
319 | *ptr++ = '%'; | |
320 | *ptr++ = '2'; | |
321 | *ptr++ = '5'; | |
322 | } | |
323 | else | |
324 | *ptr++ = '+'; | |
325 | ||
ef416fc2 | 326 | host ++; |
327 | } | |
328 | else | |
329 | *ptr++ = *host++; | |
330 | } | |
331 | ||
332 | if (*host) | |
333 | goto assemble_overflow; | |
334 | ||
335 | if (ptr < end) | |
336 | *ptr++ = ']'; | |
337 | else | |
338 | goto assemble_overflow; | |
339 | } | |
340 | else | |
341 | { | |
342 | /* | |
ff862e50 MS |
343 | * Otherwise, just copy the host string (the extra chars are not in the |
344 | * "reg-name" ABNF rule; anything <= SP or >= DEL plus % gets automatically | |
345 | * percent-encoded. | |
ef416fc2 | 346 | */ |
ff862e50 MS |
347 | |
348 | ptr = http_copy_encode(ptr, host, end, "\"#/:<>?@[\\]^`{|}", NULL, | |
a4d04587 | 349 | encoding & HTTP_URI_CODING_HOSTNAME); |
ef416fc2 | 350 | |
351 | if (!ptr) | |
352 | goto assemble_overflow; | |
353 | } | |
354 | ||
355 | /* | |
356 | * Finish things off with the port number... | |
357 | */ | |
358 | ||
359 | if (port > 0) | |
360 | { | |
07623986 | 361 | snprintf(ptr, (size_t)(end - ptr + 1), ":%d", port); |
ef416fc2 | 362 | ptr += strlen(ptr); |
363 | ||
364 | if (ptr >= end) | |
365 | goto assemble_overflow; | |
366 | } | |
367 | } | |
368 | ||
369 | /* | |
370 | * Last but not least, add the resource string... | |
371 | */ | |
372 | ||
a4d04587 | 373 | if (resource) |
ef416fc2 | 374 | { |
fa73b229 | 375 | char *query; /* Pointer to query string */ |
376 | ||
377 | ||
fa73b229 | 378 | /* |
a4d04587 | 379 | * Copy the resource string up to the query string if present... |
fa73b229 | 380 | */ |
381 | ||
a4d04587 | 382 | query = strchr(resource, '?'); |
383 | ptr = http_copy_encode(ptr, resource, end, NULL, "?", | |
384 | encoding & HTTP_URI_CODING_RESOURCE); | |
ef416fc2 | 385 | if (!ptr) |
386 | goto assemble_overflow; | |
fa73b229 | 387 | |
388 | if (query) | |
389 | { | |
390 | /* | |
391 | * Copy query string without encoding... | |
392 | */ | |
393 | ||
a4d04587 | 394 | ptr = http_copy_encode(ptr, query, end, NULL, NULL, |
395 | encoding & HTTP_URI_CODING_QUERY); | |
396 | if (!ptr) | |
397 | goto assemble_overflow; | |
fa73b229 | 398 | } |
ef416fc2 | 399 | } |
400 | else if (ptr < end) | |
401 | *ptr++ = '/'; | |
402 | else | |
403 | goto assemble_overflow; | |
404 | ||
405 | /* | |
406 | * Nul-terminate the URI buffer and return with no errors... | |
407 | */ | |
408 | ||
409 | *ptr = '\0'; | |
410 | ||
cb7f98ee | 411 | return (HTTP_URI_STATUS_OK); |
ef416fc2 | 412 | |
413 | /* | |
414 | * Clear the URI string and return an overflow error; I don't usually | |
415 | * like goto's, but in this case it makes sense... | |
416 | */ | |
417 | ||
418 | assemble_overflow: | |
419 | ||
420 | *uri = '\0'; | |
cb7f98ee | 421 | return (HTTP_URI_STATUS_OVERFLOW); |
ef416fc2 | 422 | } |
423 | ||
424 | ||
a4d04587 | 425 | /* |
426 | * 'httpAssembleURIf()' - Assemble a uniform resource identifier from its | |
427 | * components with a formatted resource. | |
428 | * | |
429 | * This function creates a formatted version of the resource string | |
ecdc0628 | 430 | * argument "resourcef" and escapes reserved characters in the URI |
431 | * depending on the value of the "encoding" argument. You should use | |
432 | * this function in place of traditional string functions whenever | |
433 | * you need to create a URI string. | |
a4d04587 | 434 | * |
f3c17241 | 435 | * @since CUPS 1.2/OS X 10.5@ |
a4d04587 | 436 | */ |
437 | ||
438 | http_uri_status_t /* O - URI status */ | |
439 | httpAssembleURIf( | |
440 | http_uri_coding_t encoding, /* I - Encoding flags */ | |
441 | char *uri, /* I - URI buffer */ | |
442 | int urilen, /* I - Size of URI buffer */ | |
443 | const char *scheme, /* I - Scheme name */ | |
444 | const char *username, /* I - Username */ | |
445 | const char *host, /* I - Hostname or address */ | |
446 | int port, /* I - Port number */ | |
447 | const char *resourcef, /* I - Printf-style resource */ | |
448 | ...) /* I - Additional arguments as needed */ | |
449 | { | |
450 | va_list ap; /* Pointer to additional arguments */ | |
451 | char resource[1024]; /* Formatted resource string */ | |
452 | int bytes; /* Bytes in formatted string */ | |
453 | ||
454 | ||
455 | /* | |
456 | * Range check input... | |
457 | */ | |
458 | ||
459 | if (!uri || urilen < 1 || !scheme || port < 0 || !resourcef) | |
460 | { | |
461 | if (uri) | |
462 | *uri = '\0'; | |
463 | ||
cb7f98ee | 464 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
a4d04587 | 465 | } |
466 | ||
467 | /* | |
468 | * Format the resource string and assemble the URI... | |
469 | */ | |
470 | ||
471 | va_start(ap, resourcef); | |
472 | bytes = vsnprintf(resource, sizeof(resource), resourcef, ap); | |
473 | va_end(ap); | |
474 | ||
7e86f2f6 | 475 | if ((size_t)bytes >= sizeof(resource)) |
a4d04587 | 476 | { |
477 | *uri = '\0'; | |
cb7f98ee | 478 | return (HTTP_URI_STATUS_OVERFLOW); |
a4d04587 | 479 | } |
480 | else | |
481 | return (httpAssembleURI(encoding, uri, urilen, scheme, username, host, | |
482 | port, resource)); | |
483 | } | |
484 | ||
485 | ||
07ed0e9a | 486 | /* |
0fa6c7fa MS |
487 | * 'httpAssembleUUID()' - Assemble a name-based UUID URN conforming to RFC 4122. |
488 | * | |
489 | * This function creates a unique 128-bit identifying number using the server | |
490 | * name, port number, random data, and optionally an object name and/or object | |
491 | * number. The result is formatted as a UUID URN as defined in RFC 4122. | |
07ed0e9a MS |
492 | * |
493 | * The buffer needs to be at least 46 bytes in size. | |
6961465f | 494 | * |
9c0e8e5d | 495 | * @since CUPS 1.7/OS X 10.9@ |
07ed0e9a MS |
496 | */ |
497 | ||
498 | char * /* I - UUID string */ | |
0fa6c7fa MS |
499 | httpAssembleUUID(const char *server, /* I - Server name */ |
500 | int port, /* I - Port number */ | |
501 | const char *name, /* I - Object name or NULL */ | |
502 | int number, /* I - Object number or 0 */ | |
503 | char *buffer, /* I - String buffer */ | |
504 | size_t bufsize) /* I - Size of buffer */ | |
07ed0e9a MS |
505 | { |
506 | char data[1024]; /* Source string for MD5 */ | |
507 | _cups_md5_state_t md5state; /* MD5 state */ | |
508 | unsigned char md5sum[16]; /* MD5 digest/sum */ | |
509 | ||
510 | ||
511 | /* | |
512 | * Build a version 3 UUID conforming to RFC 4122. | |
513 | * | |
514 | * Start with the MD5 sum of the server, port, object name and | |
515 | * number, and some random data on the end. | |
516 | */ | |
517 | ||
518 | snprintf(data, sizeof(data), "%s:%d:%s:%d:%04x:%04x", server, | |
519 | port, name ? name : server, number, | |
f99f3698 | 520 | (unsigned)CUPS_RAND() & 0xffff, (unsigned)CUPS_RAND() & 0xffff); |
07ed0e9a MS |
521 | |
522 | _cupsMD5Init(&md5state); | |
7e86f2f6 | 523 | _cupsMD5Append(&md5state, (unsigned char *)data, (int)strlen(data)); |
07ed0e9a MS |
524 | _cupsMD5Finish(&md5state, md5sum); |
525 | ||
526 | /* | |
527 | * Generate the UUID from the MD5... | |
528 | */ | |
529 | ||
530 | snprintf(buffer, bufsize, | |
531 | "urn:uuid:%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-" | |
532 | "%02x%02x%02x%02x%02x%02x", | |
533 | md5sum[0], md5sum[1], md5sum[2], md5sum[3], md5sum[4], md5sum[5], | |
534 | (md5sum[6] & 15) | 0x30, md5sum[7], (md5sum[8] & 0x3f) | 0x40, | |
535 | md5sum[9], md5sum[10], md5sum[11], md5sum[12], md5sum[13], | |
536 | md5sum[14], md5sum[15]); | |
537 | ||
538 | return (buffer); | |
539 | } | |
540 | ||
541 | ||
ef416fc2 | 542 | /* |
543 | * 'httpDecode64()' - Base64-decode a string. | |
ecdc0628 | 544 | * |
545 | * This function is deprecated. Use the httpDecode64_2() function instead | |
546 | * which provides buffer length arguments. | |
547 | * | |
548 | * @deprecated@ | |
ef416fc2 | 549 | */ |
550 | ||
551 | char * /* O - Decoded string */ | |
552 | httpDecode64(char *out, /* I - String to write to */ | |
553 | const char *in) /* I - String to read from */ | |
554 | { | |
555 | int outlen; /* Output buffer length */ | |
556 | ||
557 | ||
558 | /* | |
559 | * Use the old maximum buffer size for binary compatibility... | |
560 | */ | |
561 | ||
562 | outlen = 512; | |
563 | ||
564 | return (httpDecode64_2(out, &outlen, in)); | |
565 | } | |
566 | ||
567 | ||
568 | /* | |
569 | * 'httpDecode64_2()' - Base64-decode a string. | |
570 | * | |
f3c17241 | 571 | * @since CUPS 1.1.21/OS X 10.4@ |
ef416fc2 | 572 | */ |
573 | ||
574 | char * /* O - Decoded string */ | |
575 | httpDecode64_2(char *out, /* I - String to write to */ | |
576 | int *outlen, /* IO - Size of output string */ | |
577 | const char *in) /* I - String to read from */ | |
578 | { | |
7e86f2f6 MS |
579 | int pos; /* Bit position */ |
580 | unsigned base64; /* Value of this character */ | |
581 | char *outptr, /* Output pointer */ | |
582 | *outend; /* End of output buffer */ | |
ef416fc2 | 583 | |
584 | ||
585 | /* | |
586 | * Range check input... | |
587 | */ | |
588 | ||
fa73b229 | 589 | if (!out || !outlen || *outlen < 1 || !in) |
ef416fc2 | 590 | return (NULL); |
591 | ||
fa73b229 | 592 | if (!*in) |
593 | { | |
594 | *out = '\0'; | |
595 | *outlen = 0; | |
596 | ||
597 | return (out); | |
598 | } | |
599 | ||
ef416fc2 | 600 | /* |
601 | * Convert from base-64 to bytes... | |
602 | */ | |
603 | ||
604 | for (outptr = out, outend = out + *outlen - 1, pos = 0; *in != '\0'; in ++) | |
605 | { | |
606 | /* | |
607 | * Decode this character into a number from 0 to 63... | |
608 | */ | |
609 | ||
610 | if (*in >= 'A' && *in <= 'Z') | |
7e86f2f6 | 611 | base64 = (unsigned)(*in - 'A'); |
ef416fc2 | 612 | else if (*in >= 'a' && *in <= 'z') |
7e86f2f6 | 613 | base64 = (unsigned)(*in - 'a' + 26); |
ef416fc2 | 614 | else if (*in >= '0' && *in <= '9') |
7e86f2f6 | 615 | base64 = (unsigned)(*in - '0' + 52); |
ef416fc2 | 616 | else if (*in == '+') |
617 | base64 = 62; | |
618 | else if (*in == '/') | |
619 | base64 = 63; | |
620 | else if (*in == '=') | |
621 | break; | |
622 | else | |
623 | continue; | |
624 | ||
625 | /* | |
626 | * Store the result in the appropriate chars... | |
627 | */ | |
628 | ||
629 | switch (pos) | |
630 | { | |
631 | case 0 : | |
632 | if (outptr < outend) | |
7e86f2f6 | 633 | *outptr = (char)(base64 << 2); |
ef416fc2 | 634 | pos ++; |
635 | break; | |
636 | case 1 : | |
637 | if (outptr < outend) | |
7e86f2f6 | 638 | *outptr++ |= (char)((base64 >> 4) & 3); |
ef416fc2 | 639 | if (outptr < outend) |
7e86f2f6 | 640 | *outptr = (char)((base64 << 4) & 255); |
ef416fc2 | 641 | pos ++; |
642 | break; | |
643 | case 2 : | |
644 | if (outptr < outend) | |
7e86f2f6 | 645 | *outptr++ |= (char)((base64 >> 2) & 15); |
ef416fc2 | 646 | if (outptr < outend) |
7e86f2f6 | 647 | *outptr = (char)((base64 << 6) & 255); |
ef416fc2 | 648 | pos ++; |
649 | break; | |
650 | case 3 : | |
651 | if (outptr < outend) | |
7d5824d6 | 652 | *outptr++ |= (char)base64; |
ef416fc2 | 653 | pos = 0; |
654 | break; | |
655 | } | |
656 | } | |
657 | ||
658 | *outptr = '\0'; | |
659 | ||
660 | /* | |
661 | * Return the decoded string and size... | |
662 | */ | |
663 | ||
664 | *outlen = (int)(outptr - out); | |
665 | ||
666 | return (out); | |
667 | } | |
668 | ||
669 | ||
670 | /* | |
671 | * 'httpEncode64()' - Base64-encode a string. | |
ecdc0628 | 672 | * |
673 | * This function is deprecated. Use the httpEncode64_2() function instead | |
674 | * which provides buffer length arguments. | |
675 | * | |
676 | * @deprecated@ | |
ef416fc2 | 677 | */ |
678 | ||
679 | char * /* O - Encoded string */ | |
680 | httpEncode64(char *out, /* I - String to write to */ | |
681 | const char *in) /* I - String to read from */ | |
682 | { | |
b86bc4cf | 683 | return (httpEncode64_2(out, 512, in, (int)strlen(in))); |
ef416fc2 | 684 | } |
685 | ||
686 | ||
687 | /* | |
688 | * 'httpEncode64_2()' - Base64-encode a string. | |
689 | * | |
f3c17241 | 690 | * @since CUPS 1.1.21/OS X 10.4@ |
ef416fc2 | 691 | */ |
692 | ||
693 | char * /* O - Encoded string */ | |
694 | httpEncode64_2(char *out, /* I - String to write to */ | |
695 | int outlen, /* I - Size of output string */ | |
696 | const char *in, /* I - String to read from */ | |
697 | int inlen) /* I - Size of input string */ | |
698 | { | |
699 | char *outptr, /* Output pointer */ | |
700 | *outend; /* End of output buffer */ | |
701 | static const char base64[] = /* Base64 characters... */ | |
702 | { | |
703 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
704 | "abcdefghijklmnopqrstuvwxyz" | |
705 | "0123456789" | |
706 | "+/" | |
707 | }; | |
708 | ||
709 | ||
710 | /* | |
711 | * Range check input... | |
712 | */ | |
713 | ||
714 | if (!out || outlen < 1 || !in) | |
715 | return (NULL); | |
716 | ||
717 | /* | |
718 | * Convert bytes to base-64... | |
719 | */ | |
720 | ||
721 | for (outptr = out, outend = out + outlen - 1; inlen > 0; in ++, inlen --) | |
722 | { | |
723 | /* | |
724 | * Encode the up to 3 characters as 4 Base64 numbers... | |
725 | */ | |
726 | ||
727 | if (outptr < outend) | |
728 | *outptr ++ = base64[(in[0] & 255) >> 2]; | |
26d47ec6 | 729 | |
ef416fc2 | 730 | if (outptr < outend) |
26d47ec6 | 731 | { |
732 | if (inlen > 1) | |
733 | *outptr ++ = base64[(((in[0] & 255) << 4) | ((in[1] & 255) >> 4)) & 63]; | |
734 | else | |
735 | *outptr ++ = base64[((in[0] & 255) << 4) & 63]; | |
736 | } | |
ef416fc2 | 737 | |
738 | in ++; | |
739 | inlen --; | |
740 | if (inlen <= 0) | |
741 | { | |
742 | if (outptr < outend) | |
743 | *outptr ++ = '='; | |
744 | if (outptr < outend) | |
745 | *outptr ++ = '='; | |
746 | break; | |
747 | } | |
748 | ||
749 | if (outptr < outend) | |
26d47ec6 | 750 | { |
751 | if (inlen > 1) | |
752 | *outptr ++ = base64[(((in[0] & 255) << 2) | ((in[1] & 255) >> 6)) & 63]; | |
753 | else | |
754 | *outptr ++ = base64[((in[0] & 255) << 2) & 63]; | |
755 | } | |
ef416fc2 | 756 | |
757 | in ++; | |
758 | inlen --; | |
759 | if (inlen <= 0) | |
760 | { | |
761 | if (outptr < outend) | |
762 | *outptr ++ = '='; | |
763 | break; | |
764 | } | |
765 | ||
766 | if (outptr < outend) | |
767 | *outptr ++ = base64[in[0] & 63]; | |
768 | } | |
769 | ||
770 | *outptr = '\0'; | |
771 | ||
772 | /* | |
773 | * Return the encoded string... | |
774 | */ | |
775 | ||
776 | return (out); | |
777 | } | |
778 | ||
779 | ||
780 | /* | |
781 | * 'httpGetDateString()' - Get a formatted date/time string from a time value. | |
782 | * | |
783 | * @deprecated@ | |
784 | */ | |
785 | ||
786 | const char * /* O - Date/time string */ | |
787 | httpGetDateString(time_t t) /* I - UNIX time */ | |
788 | { | |
789 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
790 | ||
791 | ||
792 | return (httpGetDateString2(t, cg->http_date, sizeof(cg->http_date))); | |
793 | } | |
794 | ||
795 | ||
796 | /* | |
797 | * 'httpGetDateString2()' - Get a formatted date/time string from a time value. | |
798 | * | |
f3c17241 | 799 | * @since CUPS 1.2/OS X 10.5@ |
ef416fc2 | 800 | */ |
801 | ||
802 | const char * /* O - Date/time string */ | |
803 | httpGetDateString2(time_t t, /* I - UNIX time */ | |
804 | char *s, /* I - String buffer */ | |
805 | int slen) /* I - Size of string buffer */ | |
806 | { | |
807 | struct tm *tdate; /* UNIX date/time data */ | |
808 | ||
809 | ||
810 | tdate = gmtime(&t); | |
3e7fe0ca | 811 | if (tdate) |
07623986 | 812 | snprintf(s, (size_t)slen, "%s, %02d %s %d %02d:%02d:%02d GMT", http_days[tdate->tm_wday], tdate->tm_mday, http_months[tdate->tm_mon], tdate->tm_year + 1900, tdate->tm_hour, tdate->tm_min, tdate->tm_sec); |
3e7fe0ca MS |
813 | else |
814 | s[0] = '\0'; | |
ef416fc2 | 815 | |
816 | return (s); | |
817 | } | |
818 | ||
819 | ||
820 | /* | |
821 | * 'httpGetDateTime()' - Get a time value from a formatted date/time string. | |
822 | */ | |
823 | ||
824 | time_t /* O - UNIX time */ | |
825 | httpGetDateTime(const char *s) /* I - Date/time string */ | |
826 | { | |
827 | int i; /* Looping var */ | |
828 | char mon[16]; /* Abbreviated month name */ | |
829 | int day, year; /* Day of month and year */ | |
830 | int hour, min, sec; /* Time */ | |
831 | int days; /* Number of days since 1970 */ | |
832 | static const int normal_days[] = /* Days to a month, normal years */ | |
833 | { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }; | |
834 | static const int leap_days[] = /* Days to a month, leap years */ | |
835 | { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }; | |
836 | ||
837 | ||
e07d4801 | 838 | DEBUG_printf(("2httpGetDateTime(s=\"%s\")", s)); |
ef416fc2 | 839 | |
840 | /* | |
841 | * Extract the date and time from the formatted string... | |
842 | */ | |
843 | ||
844 | if (sscanf(s, "%*s%d%15s%d%d:%d:%d", &day, mon, &year, &hour, &min, &sec) < 6) | |
845 | return (0); | |
846 | ||
e07d4801 MS |
847 | DEBUG_printf(("4httpGetDateTime: day=%d, mon=\"%s\", year=%d, hour=%d, " |
848 | "min=%d, sec=%d", day, mon, year, hour, min, sec)); | |
ef416fc2 | 849 | |
850 | /* | |
851 | * Convert the month name to a number from 0 to 11. | |
852 | */ | |
853 | ||
854 | for (i = 0; i < 12; i ++) | |
88f9aafc | 855 | if (!_cups_strcasecmp(mon, http_months[i])) |
ef416fc2 | 856 | break; |
857 | ||
858 | if (i >= 12) | |
859 | return (0); | |
860 | ||
e07d4801 | 861 | DEBUG_printf(("4httpGetDateTime: i=%d", i)); |
ef416fc2 | 862 | |
863 | /* | |
864 | * Now convert the date and time to a UNIX time value in seconds since | |
865 | * 1970. We can't use mktime() since the timezone may not be UTC but | |
866 | * the date/time string *is* UTC. | |
867 | */ | |
868 | ||
869 | if ((year & 3) == 0 && ((year % 100) != 0 || (year % 400) == 0)) | |
870 | days = leap_days[i] + day - 1; | |
871 | else | |
872 | days = normal_days[i] + day - 1; | |
873 | ||
e07d4801 | 874 | DEBUG_printf(("4httpGetDateTime: days=%d", days)); |
ef416fc2 | 875 | |
876 | days += (year - 1970) * 365 + /* 365 days per year (normally) */ | |
877 | ((year - 1) / 4 - 492) - /* + leap days */ | |
878 | ((year - 1) / 100 - 19) + /* - 100 year days */ | |
879 | ((year - 1) / 400 - 4); /* + 400 year days */ | |
880 | ||
e07d4801 | 881 | DEBUG_printf(("4httpGetDateTime: days=%d\n", days)); |
ef416fc2 | 882 | |
883 | return (days * 86400 + hour * 3600 + min * 60 + sec); | |
884 | } | |
885 | ||
886 | ||
887 | /* | |
888 | * 'httpSeparate()' - Separate a Universal Resource Identifier into its | |
889 | * components. | |
ecdc0628 | 890 | * |
891 | * This function is deprecated; use the httpSeparateURI() function instead. | |
892 | * | |
893 | * @deprecated@ | |
ef416fc2 | 894 | */ |
895 | ||
896 | void | |
897 | httpSeparate(const char *uri, /* I - Universal Resource Identifier */ | |
898 | char *scheme, /* O - Scheme [32] (http, https, etc.) */ | |
899 | char *username, /* O - Username [1024] */ | |
900 | char *host, /* O - Hostname [1024] */ | |
901 | int *port, /* O - Port number to use */ | |
902 | char *resource) /* O - Resource/filename [1024] */ | |
903 | { | |
a4d04587 | 904 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, 32, username, |
905 | HTTP_MAX_URI, host, HTTP_MAX_URI, port, resource, | |
906 | HTTP_MAX_URI); | |
ef416fc2 | 907 | } |
908 | ||
909 | ||
910 | /* | |
911 | * 'httpSeparate2()' - Separate a Universal Resource Identifier into its | |
912 | * components. | |
913 | * | |
ecdc0628 | 914 | * This function is deprecated; use the httpSeparateURI() function instead. |
915 | * | |
f3c17241 | 916 | * @since CUPS 1.1.21/OS X 10.4@ |
ecdc0628 | 917 | * @deprecated@ |
ef416fc2 | 918 | */ |
919 | ||
920 | void | |
921 | httpSeparate2(const char *uri, /* I - Universal Resource Identifier */ | |
922 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
923 | int schemelen, /* I - Size of scheme buffer */ | |
924 | char *username, /* O - Username */ | |
925 | int usernamelen, /* I - Size of username buffer */ | |
926 | char *host, /* O - Hostname */ | |
927 | int hostlen, /* I - Size of hostname buffer */ | |
928 | int *port, /* O - Port number to use */ | |
929 | char *resource, /* O - Resource/filename */ | |
930 | int resourcelen) /* I - Size of resource buffer */ | |
931 | { | |
a4d04587 | 932 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, schemelen, username, |
933 | usernamelen, host, hostlen, port, resource, resourcelen); | |
ef416fc2 | 934 | } |
935 | ||
936 | ||
937 | /* | |
938 | * 'httpSeparateURI()' - Separate a Universal Resource Identifier into its | |
939 | * components. | |
940 | * | |
f3c17241 | 941 | * @since CUPS 1.2/OS X 10.5@ |
ef416fc2 | 942 | */ |
943 | ||
944 | http_uri_status_t /* O - Result of separation */ | |
a4d04587 | 945 | httpSeparateURI( |
946 | http_uri_coding_t decoding, /* I - Decoding flags */ | |
947 | const char *uri, /* I - Universal Resource Identifier */ | |
948 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
949 | int schemelen, /* I - Size of scheme buffer */ | |
950 | char *username, /* O - Username */ | |
951 | int usernamelen, /* I - Size of username buffer */ | |
952 | char *host, /* O - Hostname */ | |
953 | int hostlen, /* I - Size of hostname buffer */ | |
954 | int *port, /* O - Port number to use */ | |
955 | char *resource, /* O - Resource/filename */ | |
956 | int resourcelen) /* I - Size of resource buffer */ | |
ef416fc2 | 957 | { |
958 | char *ptr, /* Pointer into string... */ | |
959 | *end; /* End of string */ | |
960 | const char *sep; /* Separator character */ | |
961 | http_uri_status_t status; /* Result of separation */ | |
962 | ||
963 | ||
964 | /* | |
965 | * Initialize everything to blank... | |
966 | */ | |
967 | ||
968 | if (scheme && schemelen > 0) | |
969 | *scheme = '\0'; | |
970 | ||
971 | if (username && usernamelen > 0) | |
972 | *username = '\0'; | |
973 | ||
974 | if (host && hostlen > 0) | |
975 | *host = '\0'; | |
976 | ||
977 | if (port) | |
978 | *port = 0; | |
979 | ||
980 | if (resource && resourcelen > 0) | |
981 | *resource = '\0'; | |
982 | ||
983 | /* | |
984 | * Range check input... | |
985 | */ | |
986 | ||
987 | if (!uri || !port || !scheme || schemelen <= 0 || !username || | |
988 | usernamelen <= 0 || !host || hostlen <= 0 || !resource || | |
989 | resourcelen <= 0) | |
cb7f98ee | 990 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
ef416fc2 | 991 | |
992 | if (!*uri) | |
cb7f98ee | 993 | return (HTTP_URI_STATUS_BAD_URI); |
ef416fc2 | 994 | |
995 | /* | |
996 | * Grab the scheme portion of the URI... | |
997 | */ | |
998 | ||
cb7f98ee | 999 | status = HTTP_URI_STATUS_OK; |
ef416fc2 | 1000 | |
1001 | if (!strncmp(uri, "//", 2)) | |
1002 | { | |
1003 | /* | |
1004 | * Workaround for HP IPP client bug... | |
1005 | */ | |
1006 | ||
07623986 | 1007 | strlcpy(scheme, "ipp", (size_t)schemelen); |
cb7f98ee | 1008 | status = HTTP_URI_STATUS_MISSING_SCHEME; |
ef416fc2 | 1009 | } |
1010 | else if (*uri == '/') | |
1011 | { | |
1012 | /* | |
1013 | * Filename... | |
1014 | */ | |
1015 | ||
07623986 | 1016 | strlcpy(scheme, "file", (size_t)schemelen); |
cb7f98ee | 1017 | status = HTTP_URI_STATUS_MISSING_SCHEME; |
ef416fc2 | 1018 | } |
1019 | else | |
1020 | { | |
1021 | /* | |
1022 | * Standard URI with scheme... | |
1023 | */ | |
1024 | ||
1025 | for (ptr = scheme, end = scheme + schemelen - 1; | |
1026 | *uri && *uri != ':' && ptr < end;) | |
7cf5915e MS |
1027 | if (strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
1028 | "abcdefghijklmnopqrstuvwxyz" | |
1029 | "0123456789-+.", *uri) != NULL) | |
ef416fc2 | 1030 | *ptr++ = *uri++; |
1031 | else | |
1032 | break; | |
1033 | ||
1034 | *ptr = '\0'; | |
1035 | ||
1036 | if (*uri != ':') | |
1037 | { | |
1038 | *scheme = '\0'; | |
cb7f98ee | 1039 | return (HTTP_URI_STATUS_BAD_SCHEME); |
ef416fc2 | 1040 | } |
1041 | ||
1042 | uri ++; | |
1043 | } | |
1044 | ||
1045 | /* | |
1046 | * Set the default port number... | |
1047 | */ | |
1048 | ||
1049 | if (!strcmp(scheme, "http")) | |
1050 | *port = 80; | |
1051 | else if (!strcmp(scheme, "https")) | |
1052 | *port = 443; | |
7cf5915e | 1053 | else if (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) |
ef416fc2 | 1054 | *port = 631; |
88f9aafc | 1055 | else if (!_cups_strcasecmp(scheme, "lpd")) |
ef416fc2 | 1056 | *port = 515; |
1057 | else if (!strcmp(scheme, "socket")) /* Not yet registered with IANA... */ | |
1058 | *port = 9100; | |
f4047845 | 1059 | else if (strcmp(scheme, "file") && strcmp(scheme, "mailto") && strcmp(scheme, "tel")) |
cb7f98ee | 1060 | status = HTTP_URI_STATUS_UNKNOWN_SCHEME; |
ef416fc2 | 1061 | |
1062 | /* | |
1063 | * Now see if we have a hostname... | |
1064 | */ | |
1065 | ||
1066 | if (!strncmp(uri, "//", 2)) | |
1067 | { | |
1068 | /* | |
1069 | * Yes, extract it... | |
1070 | */ | |
1071 | ||
1072 | uri += 2; | |
1073 | ||
1074 | /* | |
1075 | * Grab the username, if any... | |
1076 | */ | |
1077 | ||
1078 | if ((sep = strpbrk(uri, "@/")) != NULL && *sep == '@') | |
1079 | { | |
1080 | /* | |
1081 | * Get a username:password combo... | |
1082 | */ | |
1083 | ||
a4d04587 | 1084 | uri = http_copy_decode(username, uri, usernamelen, "@", |
1085 | decoding & HTTP_URI_CODING_USERNAME); | |
ef416fc2 | 1086 | |
1087 | if (!uri) | |
1088 | { | |
1089 | *username = '\0'; | |
cb7f98ee | 1090 | return (HTTP_URI_STATUS_BAD_USERNAME); |
ef416fc2 | 1091 | } |
1092 | ||
1093 | uri ++; | |
1094 | } | |
1095 | ||
1096 | /* | |
1097 | * Then the hostname/IP address... | |
1098 | */ | |
1099 | ||
1100 | if (*uri == '[') | |
1101 | { | |
1102 | /* | |
1103 | * Grab IPv6 address... | |
1104 | */ | |
1105 | ||
1106 | uri ++; | |
86c809d9 MS |
1107 | if (*uri == 'v') |
1108 | { | |
1109 | /* | |
1110 | * Skip IPvFuture ("vXXXX.") prefix... | |
1111 | */ | |
1112 | ||
1113 | uri ++; | |
1114 | ||
1115 | while (isxdigit(*uri & 255)) | |
1116 | uri ++; | |
1117 | ||
1118 | if (*uri != '.') | |
1119 | { | |
1120 | *host = '\0'; | |
1121 | return (HTTP_URI_STATUS_BAD_HOSTNAME); | |
1122 | } | |
1123 | ||
1124 | uri ++; | |
1125 | } | |
ef416fc2 | 1126 | |
a4d04587 | 1127 | uri = http_copy_decode(host, uri, hostlen, "]", |
1128 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1129 | |
1130 | if (!uri) | |
1131 | { | |
1132 | *host = '\0'; | |
cb7f98ee | 1133 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1134 | } |
1135 | ||
1136 | /* | |
1137 | * Validate value... | |
1138 | */ | |
1139 | ||
1140 | if (*uri != ']') | |
1141 | { | |
1142 | *host = '\0'; | |
cb7f98ee | 1143 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1144 | } |
1145 | ||
1146 | uri ++; | |
1147 | ||
1148 | for (ptr = host; *ptr; ptr ++) | |
1149 | if (*ptr == '+') | |
1150 | { | |
1151 | /* | |
1152 | * Convert zone separator to % and stop here... | |
1153 | */ | |
1154 | ||
1155 | *ptr = '%'; | |
1156 | break; | |
1157 | } | |
86c809d9 MS |
1158 | else if (*ptr == '%') |
1159 | { | |
1160 | /* | |
1161 | * Stop at zone separator (RFC 6874) | |
1162 | */ | |
1163 | ||
1164 | break; | |
1165 | } | |
ef416fc2 | 1166 | else if (*ptr != ':' && *ptr != '.' && !isxdigit(*ptr & 255)) |
1167 | { | |
1168 | *host = '\0'; | |
cb7f98ee | 1169 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1170 | } |
1171 | } | |
1172 | else | |
1173 | { | |
1174 | /* | |
b423cd4c | 1175 | * Validate the hostname or IPv4 address first... |
1176 | */ | |
1177 | ||
1178 | for (ptr = (char *)uri; *ptr; ptr ++) | |
1179 | if (strchr(":?/", *ptr)) | |
1180 | break; | |
ff862e50 MS |
1181 | else if (!strchr("abcdefghijklmnopqrstuvwxyz" /* unreserved */ |
1182 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" /* unreserved */ | |
1183 | "0123456789" /* unreserved */ | |
1184 | "-._~" /* unreserved */ | |
1185 | "%" /* pct-encoded */ | |
1186 | "!$&'()*+,;=" /* sub-delims */ | |
1187 | "\\", *ptr)) /* SMB domain */ | |
b423cd4c | 1188 | { |
1189 | *host = '\0'; | |
cb7f98ee | 1190 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
b423cd4c | 1191 | } |
1192 | ||
1193 | /* | |
1194 | * Then copy the hostname or IPv4 address to the buffer... | |
ef416fc2 | 1195 | */ |
1196 | ||
a4d04587 | 1197 | uri = http_copy_decode(host, uri, hostlen, ":?/", |
1198 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1199 | |
1200 | if (!uri) | |
1201 | { | |
1202 | *host = '\0'; | |
cb7f98ee | 1203 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1204 | } |
ef416fc2 | 1205 | } |
1206 | ||
1207 | /* | |
1208 | * Validate hostname for file scheme - only empty and localhost are | |
1209 | * acceptable. | |
1210 | */ | |
1211 | ||
1212 | if (!strcmp(scheme, "file") && strcmp(host, "localhost") && host[0]) | |
1213 | { | |
1214 | *host = '\0'; | |
cb7f98ee | 1215 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1216 | } |
1217 | ||
1218 | /* | |
1219 | * See if we have a port number... | |
1220 | */ | |
1221 | ||
1222 | if (*uri == ':') | |
1223 | { | |
1224 | /* | |
1225 | * Yes, collect the port number... | |
1226 | */ | |
1227 | ||
dfd5680b MS |
1228 | if (!isdigit(uri[1] & 255)) |
1229 | { | |
1230 | *port = 0; | |
cb7f98ee | 1231 | return (HTTP_URI_STATUS_BAD_PORT); |
dfd5680b MS |
1232 | } |
1233 | ||
7e86f2f6 | 1234 | *port = (int)strtol(uri + 1, (char **)&uri, 10); |
ef416fc2 | 1235 | |
d6ae789d | 1236 | if (*uri != '/' && *uri) |
ef416fc2 | 1237 | { |
1238 | *port = 0; | |
cb7f98ee | 1239 | return (HTTP_URI_STATUS_BAD_PORT); |
ef416fc2 | 1240 | } |
1241 | } | |
1242 | } | |
1243 | ||
1244 | /* | |
1245 | * The remaining portion is the resource string... | |
1246 | */ | |
1247 | ||
1248 | if (*uri == '?' || !*uri) | |
1249 | { | |
1250 | /* | |
1251 | * Hostname but no path... | |
1252 | */ | |
1253 | ||
cb7f98ee | 1254 | status = HTTP_URI_STATUS_MISSING_RESOURCE; |
ef416fc2 | 1255 | *resource = '/'; |
fa73b229 | 1256 | |
1257 | /* | |
a4d04587 | 1258 | * Copy any query string... |
fa73b229 | 1259 | */ |
1260 | ||
1261 | if (*uri == '?') | |
a4d04587 | 1262 | uri = http_copy_decode(resource + 1, uri, resourcelen - 1, NULL, |
1263 | decoding & HTTP_URI_CODING_QUERY); | |
fa73b229 | 1264 | else |
1265 | resource[1] = '\0'; | |
ef416fc2 | 1266 | } |
1267 | else | |
fa73b229 | 1268 | { |
a4d04587 | 1269 | uri = http_copy_decode(resource, uri, resourcelen, "?", |
1270 | decoding & HTTP_URI_CODING_RESOURCE); | |
fa73b229 | 1271 | |
1272 | if (uri && *uri == '?') | |
1273 | { | |
1274 | /* | |
a4d04587 | 1275 | * Concatenate any query string... |
fa73b229 | 1276 | */ |
1277 | ||
a4d04587 | 1278 | char *resptr = resource + strlen(resource); |
1279 | ||
ff862e50 MS |
1280 | uri = http_copy_decode(resptr, uri, |
1281 | resourcelen - (int)(resptr - resource), NULL, | |
1282 | decoding & HTTP_URI_CODING_QUERY); | |
fa73b229 | 1283 | } |
1284 | } | |
ef416fc2 | 1285 | |
1286 | if (!uri) | |
1287 | { | |
1288 | *resource = '\0'; | |
cb7f98ee | 1289 | return (HTTP_URI_STATUS_BAD_RESOURCE); |
ef416fc2 | 1290 | } |
1291 | ||
1292 | /* | |
1293 | * Return the URI separation status... | |
1294 | */ | |
1295 | ||
1296 | return (status); | |
1297 | } | |
1298 | ||
1299 | ||
5ec1fd3d MS |
1300 | /* |
1301 | * 'httpStateString()' - Return the string describing a HTTP state value. | |
1302 | * | |
e1f19878 | 1303 | * @since CUPS 2.0/OS 10.10@ |
5ec1fd3d MS |
1304 | */ |
1305 | ||
1306 | const char * /* O - State string */ | |
1307 | httpStateString(http_state_t state) /* I - HTTP state value */ | |
1308 | { | |
1309 | if (state < HTTP_STATE_ERROR || state > HTTP_STATE_UNKNOWN_VERSION) | |
1310 | return ("HTTP_STATE_???"); | |
1311 | else | |
1312 | return (http_states[state - HTTP_STATE_ERROR]); | |
1313 | } | |
1314 | ||
1315 | ||
ef416fc2 | 1316 | /* |
41e6c1f1 | 1317 | * '_httpStatus()' - Return the localized string describing a HTTP status code. |
9f5eb9be | 1318 | * |
41e6c1f1 | 1319 | * The returned string is localized using the passed message catalog. |
ef416fc2 | 1320 | */ |
1321 | ||
9f5eb9be | 1322 | const char * /* O - Localized status string */ |
41e6c1f1 MS |
1323 | _httpStatus(cups_lang_t *lang, /* I - Language */ |
1324 | http_status_t status) /* I - HTTP status code */ | |
ef416fc2 | 1325 | { |
9f5eb9be | 1326 | const char *s; /* Status string */ |
9f5eb9be | 1327 | |
9f5eb9be | 1328 | |
ef416fc2 | 1329 | switch (status) |
1330 | { | |
b63a0d90 MS |
1331 | case HTTP_STATUS_ERROR : |
1332 | s = strerror(errno); | |
1333 | break; | |
cb7f98ee | 1334 | case HTTP_STATUS_CONTINUE : |
9f5eb9be MS |
1335 | s = _("Continue"); |
1336 | break; | |
cb7f98ee | 1337 | case HTTP_STATUS_SWITCHING_PROTOCOLS : |
9f5eb9be MS |
1338 | s = _("Switching Protocols"); |
1339 | break; | |
cb7f98ee | 1340 | case HTTP_STATUS_OK : |
9f5eb9be MS |
1341 | s = _("OK"); |
1342 | break; | |
cb7f98ee | 1343 | case HTTP_STATUS_CREATED : |
9f5eb9be MS |
1344 | s = _("Created"); |
1345 | break; | |
cb7f98ee | 1346 | case HTTP_STATUS_ACCEPTED : |
9f5eb9be MS |
1347 | s = _("Accepted"); |
1348 | break; | |
cb7f98ee | 1349 | case HTTP_STATUS_NO_CONTENT : |
9f5eb9be MS |
1350 | s = _("No Content"); |
1351 | break; | |
cb7f98ee | 1352 | case HTTP_STATUS_MOVED_PERMANENTLY : |
9f5eb9be MS |
1353 | s = _("Moved Permanently"); |
1354 | break; | |
cb7f98ee | 1355 | case HTTP_STATUS_SEE_OTHER : |
9f5eb9be MS |
1356 | s = _("See Other"); |
1357 | break; | |
cb7f98ee | 1358 | case HTTP_STATUS_NOT_MODIFIED : |
9f5eb9be MS |
1359 | s = _("Not Modified"); |
1360 | break; | |
cb7f98ee | 1361 | case HTTP_STATUS_BAD_REQUEST : |
9f5eb9be MS |
1362 | s = _("Bad Request"); |
1363 | break; | |
cb7f98ee MS |
1364 | case HTTP_STATUS_UNAUTHORIZED : |
1365 | case HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED : | |
9f5eb9be MS |
1366 | s = _("Unauthorized"); |
1367 | break; | |
cb7f98ee | 1368 | case HTTP_STATUS_FORBIDDEN : |
9f5eb9be MS |
1369 | s = _("Forbidden"); |
1370 | break; | |
cb7f98ee | 1371 | case HTTP_STATUS_NOT_FOUND : |
9f5eb9be MS |
1372 | s = _("Not Found"); |
1373 | break; | |
cb7f98ee | 1374 | case HTTP_STATUS_REQUEST_TOO_LARGE : |
9f5eb9be MS |
1375 | s = _("Request Entity Too Large"); |
1376 | break; | |
cb7f98ee | 1377 | case HTTP_STATUS_URI_TOO_LONG : |
9f5eb9be MS |
1378 | s = _("URI Too Long"); |
1379 | break; | |
cb7f98ee | 1380 | case HTTP_STATUS_UPGRADE_REQUIRED : |
9f5eb9be MS |
1381 | s = _("Upgrade Required"); |
1382 | break; | |
cb7f98ee | 1383 | case HTTP_STATUS_NOT_IMPLEMENTED : |
9f5eb9be MS |
1384 | s = _("Not Implemented"); |
1385 | break; | |
cb7f98ee | 1386 | case HTTP_STATUS_NOT_SUPPORTED : |
9f5eb9be MS |
1387 | s = _("Not Supported"); |
1388 | break; | |
cb7f98ee | 1389 | case HTTP_STATUS_EXPECTATION_FAILED : |
9f5eb9be MS |
1390 | s = _("Expectation Failed"); |
1391 | break; | |
cb7f98ee | 1392 | case HTTP_STATUS_SERVICE_UNAVAILABLE : |
9f5eb9be MS |
1393 | s = _("Service Unavailable"); |
1394 | break; | |
cb7f98ee | 1395 | case HTTP_STATUS_SERVER_ERROR : |
94da7e34 MS |
1396 | s = _("Internal Server Error"); |
1397 | break; | |
cb7f98ee | 1398 | case HTTP_STATUS_CUPS_PKI_ERROR : |
7cf5915e MS |
1399 | s = _("SSL/TLS Negotiation Error"); |
1400 | break; | |
cb7f98ee | 1401 | case HTTP_STATUS_CUPS_WEBIF_DISABLED : |
229681c1 MS |
1402 | s = _("Web Interface is Disabled"); |
1403 | break; | |
b423cd4c | 1404 | |
ef416fc2 | 1405 | default : |
9f5eb9be MS |
1406 | s = _("Unknown"); |
1407 | break; | |
ef416fc2 | 1408 | } |
9f5eb9be | 1409 | |
41e6c1f1 MS |
1410 | return (_cupsLangString(lang, s)); |
1411 | } | |
1412 | ||
1413 | ||
1414 | /* | |
1415 | * 'httpStatus()' - Return a short string describing a HTTP status code. | |
1416 | * | |
1417 | * The returned string is localized to the current POSIX locale and is based | |
1418 | * on the status strings defined in RFC 2616. | |
1419 | */ | |
1420 | ||
1421 | const char * /* O - Localized status string */ | |
1422 | httpStatus(http_status_t status) /* I - HTTP status code */ | |
1423 | { | |
1424 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
1425 | ||
1426 | ||
1427 | if (!cg->lang_default) | |
1428 | cg->lang_default = cupsLangDefault(); | |
1429 | ||
1430 | return (_httpStatus(cg->lang_default, status)); | |
ef416fc2 | 1431 | } |
1432 | ||
7e86f2f6 MS |
1433 | /* |
1434 | * 'httpURIStatusString()' - Return a string describing a URI status code. | |
1435 | * | |
e1f19878 | 1436 | * @since CUPS 2.0/OS 10.10@ |
7e86f2f6 MS |
1437 | */ |
1438 | ||
1439 | const char * /* O - Localized status string */ | |
1440 | httpURIStatusString( | |
1441 | http_uri_status_t status) /* I - URI status code */ | |
1442 | { | |
1443 | const char *s; /* Status string */ | |
1444 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
1445 | ||
1446 | ||
1447 | if (!cg->lang_default) | |
1448 | cg->lang_default = cupsLangDefault(); | |
1449 | ||
1450 | switch (status) | |
1451 | { | |
1452 | case HTTP_URI_STATUS_OVERFLOW : | |
1453 | s = _("URI too large"); | |
1454 | break; | |
1455 | case HTTP_URI_STATUS_BAD_ARGUMENTS : | |
1456 | s = _("Bad arguments to function"); | |
1457 | break; | |
1458 | case HTTP_URI_STATUS_BAD_RESOURCE : | |
1459 | s = _("Bad resource in URI"); | |
1460 | break; | |
1461 | case HTTP_URI_STATUS_BAD_PORT : | |
1462 | s = _("Bad port number in URI"); | |
1463 | break; | |
1464 | case HTTP_URI_STATUS_BAD_HOSTNAME : | |
1465 | s = _("Bad hostname/address in URI"); | |
1466 | break; | |
1467 | case HTTP_URI_STATUS_BAD_USERNAME : | |
1468 | s = _("Bad username in URI"); | |
1469 | break; | |
1470 | case HTTP_URI_STATUS_BAD_SCHEME : | |
1471 | s = _("Bad scheme in URI"); | |
1472 | break; | |
1473 | case HTTP_URI_STATUS_BAD_URI : | |
1474 | s = _("Bad/empty URI"); | |
1475 | break; | |
1476 | case HTTP_URI_STATUS_OK : | |
1477 | s = _("OK"); | |
1478 | break; | |
1479 | case HTTP_URI_STATUS_MISSING_SCHEME : | |
1480 | s = _("Missing scheme in URI"); | |
1481 | break; | |
1482 | case HTTP_URI_STATUS_UNKNOWN_SCHEME : | |
1483 | s = _("Unknown scheme in URI"); | |
1484 | break; | |
1485 | case HTTP_URI_STATUS_MISSING_RESOURCE : | |
1486 | s = _("Missing resource in URI"); | |
1487 | break; | |
1488 | ||
1489 | default: | |
1490 | s = _("Unknown"); | |
1491 | break; | |
1492 | } | |
1493 | ||
1494 | return (_cupsLangString(cg->lang_default, s)); | |
1495 | } | |
1496 | ||
ef416fc2 | 1497 | |
1498 | #ifndef HAVE_HSTRERROR | |
1499 | /* | |
eac3a0a0 | 1500 | * '_cups_hstrerror()' - hstrerror() emulation function for Solaris and others. |
ef416fc2 | 1501 | */ |
1502 | ||
1503 | const char * /* O - Error string */ | |
1504 | _cups_hstrerror(int error) /* I - Error number */ | |
1505 | { | |
1506 | static const char * const errors[] = /* Error strings */ | |
1507 | { | |
1508 | "OK", | |
1509 | "Host not found.", | |
1510 | "Try again.", | |
1511 | "Unrecoverable lookup error.", | |
1512 | "No data associated with name." | |
1513 | }; | |
1514 | ||
1515 | ||
1516 | if (error < 0 || error > 4) | |
1517 | return ("Unknown hostname lookup error."); | |
1518 | else | |
1519 | return (errors[error]); | |
1520 | } | |
1521 | #endif /* !HAVE_HSTRERROR */ | |
1522 | ||
1523 | ||
1106b00e MS |
1524 | /* |
1525 | * '_httpDecodeURI()' - Percent-decode a HTTP request URI. | |
1526 | */ | |
1527 | ||
1528 | char * /* O - Decoded URI or NULL on error */ | |
1529 | _httpDecodeURI(char *dst, /* I - Destination buffer */ | |
1530 | const char *src, /* I - Source URI */ | |
1531 | size_t dstsize) /* I - Size of destination buffer */ | |
1532 | { | |
1533 | if (http_copy_decode(dst, src, (int)dstsize, NULL, 1)) | |
1534 | return (dst); | |
1535 | else | |
1536 | return (NULL); | |
1537 | } | |
1538 | ||
1539 | ||
839a51c8 MS |
1540 | /* |
1541 | * '_httpEncodeURI()' - Percent-encode a HTTP request URI. | |
1542 | */ | |
1543 | ||
1544 | char * /* O - Encoded URI */ | |
1545 | _httpEncodeURI(char *dst, /* I - Destination buffer */ | |
1546 | const char *src, /* I - Source URI */ | |
1547 | size_t dstsize) /* I - Size of destination buffer */ | |
1548 | { | |
1549 | http_copy_encode(dst, src, dst + dstsize - 1, NULL, NULL, 1); | |
1550 | return (dst); | |
1551 | } | |
1552 | ||
1553 | ||
5eb9da71 MS |
1554 | /* |
1555 | * '_httpResolveURI()' - Resolve a DNS-SD URI. | |
1556 | */ | |
1557 | ||
1558 | const char * /* O - Resolved URI */ | |
1559 | _httpResolveURI( | |
1560 | const char *uri, /* I - DNS-SD URI */ | |
1561 | char *resolved_uri, /* I - Buffer for resolved URI */ | |
1f0275e3 | 1562 | size_t resolved_size, /* I - Size of URI buffer */ |
eac3a0a0 | 1563 | int options, /* I - Resolve options */ |
07ed0e9a MS |
1564 | int (*cb)(void *context), /* I - Continue callback function */ |
1565 | void *context) /* I - Context pointer for callback */ | |
5eb9da71 MS |
1566 | { |
1567 | char scheme[32], /* URI components... */ | |
1568 | userpass[256], | |
1569 | hostname[1024], | |
1570 | resource[1024]; | |
1571 | int port; | |
b19ccc9e | 1572 | #ifdef DEBUG |
1f0275e3 | 1573 | http_uri_status_t status; /* URI decode status */ |
b19ccc9e | 1574 | #endif /* DEBUG */ |
5eb9da71 MS |
1575 | |
1576 | ||
e07d4801 MS |
1577 | DEBUG_printf(("4_httpResolveURI(uri=\"%s\", resolved_uri=%p, " |
1578 | "resolved_size=" CUPS_LLFMT ")", uri, resolved_uri, | |
1f0275e3 MS |
1579 | CUPS_LLCAST resolved_size)); |
1580 | ||
5eb9da71 MS |
1581 | /* |
1582 | * Get the device URI... | |
1583 | */ | |
1584 | ||
b19ccc9e | 1585 | #ifdef DEBUG |
1f0275e3 MS |
1586 | if ((status = httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, |
1587 | sizeof(scheme), userpass, sizeof(userpass), | |
1588 | hostname, sizeof(hostname), &port, resource, | |
cb7f98ee | 1589 | sizeof(resource))) < HTTP_URI_STATUS_OK) |
b19ccc9e MS |
1590 | #else |
1591 | if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, | |
1592 | sizeof(scheme), userpass, sizeof(userpass), | |
1593 | hostname, sizeof(hostname), &port, resource, | |
cb7f98ee | 1594 | sizeof(resource)) < HTTP_URI_STATUS_OK) |
b19ccc9e | 1595 | #endif /* DEBUG */ |
1f0275e3 | 1596 | { |
eac3a0a0 | 1597 | if (options & _HTTP_RESOLVE_STDERR) |
84315f46 | 1598 | _cupsLangPrintFilter(stderr, "ERROR", _("Bad device-uri \"%s\"."), uri); |
1f0275e3 | 1599 | |
e07d4801 MS |
1600 | DEBUG_printf(("6_httpResolveURI: httpSeparateURI returned %d!", status)); |
1601 | DEBUG_puts("5_httpResolveURI: Returning NULL"); | |
5eb9da71 | 1602 | return (NULL); |
1f0275e3 | 1603 | } |
5eb9da71 MS |
1604 | |
1605 | /* | |
1606 | * Resolve it as needed... | |
1607 | */ | |
1608 | ||
1609 | if (strstr(hostname, "._tcp")) | |
1610 | { | |
f3c17241 | 1611 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
5eb9da71 | 1612 | char *regtype, /* Pointer to type in hostname */ |
2c3f5865 MS |
1613 | *domain, /* Pointer to domain in hostname */ |
1614 | *uuid, /* Pointer to UUID in URI */ | |
1615 | *uuidend; /* Pointer to end of UUID in URI */ | |
5eb9da71 | 1616 | _http_uribuf_t uribuf; /* URI buffer */ |
f3c17241 MS |
1617 | int offline = 0; /* offline-report state set? */ |
1618 | # ifdef HAVE_DNSSD | |
1619 | # ifdef WIN32 | |
1620 | # pragma comment(lib, "dnssd.lib") | |
1621 | # endif /* WIN32 */ | |
1622 | DNSServiceRef ref, /* DNS-SD master service reference */ | |
7e86f2f6 | 1623 | domainref = NULL,/* DNS-SD service reference for domain */ |
3c218cf5 MS |
1624 | ippref = NULL, /* DNS-SD service reference for network IPP */ |
1625 | ippsref = NULL, /* DNS-SD service reference for network IPPS */ | |
f3c17241 | 1626 | localref; /* DNS-SD service reference for .local */ |
3c218cf5 | 1627 | int extrasent = 0; /* Send the domain/IPP/IPPS resolves? */ |
f3c17241 | 1628 | # ifdef HAVE_POLL |
38e73f87 | 1629 | struct pollfd polldata; /* Polling data */ |
f3c17241 | 1630 | # else /* select() */ |
6d2f911b MS |
1631 | fd_set input_set; /* Input set for select() */ |
1632 | struct timeval stimeout; /* Timeout value for select() */ | |
f3c17241 MS |
1633 | # endif /* HAVE_POLL */ |
1634 | # elif defined(HAVE_AVAHI) | |
1635 | AvahiClient *client; /* Client information */ | |
1636 | int error; /* Status */ | |
1637 | # endif /* HAVE_DNSSD */ | |
38e73f87 | 1638 | |
eac3a0a0 | 1639 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 | 1640 | fprintf(stderr, "DEBUG: Resolving \"%s\"...\n", hostname); |
5eb9da71 MS |
1641 | |
1642 | /* | |
1643 | * Separate the hostname into service name, registration type, and domain... | |
1644 | */ | |
1645 | ||
1f0275e3 MS |
1646 | for (regtype = strstr(hostname, "._tcp") - 2; |
1647 | regtype > hostname; | |
1648 | regtype --) | |
1649 | if (regtype[0] == '.' && regtype[1] == '_') | |
1650 | { | |
1651 | /* | |
1652 | * Found ._servicetype in front of ._tcp... | |
1653 | */ | |
1654 | ||
1655 | *regtype++ = '\0'; | |
1656 | break; | |
1657 | } | |
1658 | ||
1659 | if (regtype <= hostname) | |
1660 | { | |
e07d4801 | 1661 | DEBUG_puts("5_httpResolveURI: Bad hostname, returning NULL"); |
1f0275e3 MS |
1662 | return (NULL); |
1663 | } | |
5eb9da71 | 1664 | |
5eb9da71 MS |
1665 | for (domain = strchr(regtype, '.'); |
1666 | domain; | |
1667 | domain = strchr(domain + 1, '.')) | |
1668 | if (domain[1] != '_') | |
1669 | break; | |
1670 | ||
1671 | if (domain) | |
1672 | *domain++ = '\0'; | |
1673 | ||
2c3f5865 MS |
1674 | if ((uuid = strstr(resource, "?uuid=")) != NULL) |
1675 | { | |
1676 | *uuid = '\0'; | |
1677 | uuid += 6; | |
1678 | if ((uuidend = strchr(uuid, '&')) != NULL) | |
1679 | *uuidend = '\0'; | |
1680 | } | |
1681 | ||
1682 | resolved_uri[0] = '\0'; | |
1683 | ||
eac3a0a0 MS |
1684 | uribuf.buffer = resolved_uri; |
1685 | uribuf.bufsize = resolved_size; | |
1686 | uribuf.options = options; | |
5a9febac | 1687 | uribuf.resource = resource; |
2c3f5865 | 1688 | uribuf.uuid = uuid; |
5eb9da71 | 1689 | |
e07d4801 | 1690 | DEBUG_printf(("6_httpResolveURI: Resolving hostname=\"%s\", regtype=\"%s\", " |
1f0275e3 | 1691 | "domain=\"%s\"\n", hostname, regtype, domain)); |
eac3a0a0 | 1692 | if (options & _HTTP_RESOLVE_STDERR) |
1f0275e3 MS |
1693 | { |
1694 | fputs("STATE: +connecting-to-device\n", stderr); | |
38e73f87 MS |
1695 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"%s\", " |
1696 | "domain=\"local.\"...\n", hostname, regtype); | |
1f0275e3 MS |
1697 | } |
1698 | ||
38e73f87 MS |
1699 | uri = NULL; |
1700 | ||
f3c17241 | 1701 | # ifdef HAVE_DNSSD |
38e73f87 | 1702 | if (DNSServiceCreateConnection(&ref) == kDNSServiceErr_NoError) |
5eb9da71 | 1703 | { |
7e86f2f6 | 1704 | uint32_t myinterface = kDNSServiceInterfaceIndexAny; |
a469f8a5 MS |
1705 | /* Lookup on any interface */ |
1706 | ||
1707 | if (!strcmp(scheme, "ippusb")) | |
db8b865d | 1708 | myinterface = kDNSServiceInterfaceIndexLocalOnly; |
a469f8a5 | 1709 | |
38e73f87 | 1710 | localref = ref; |
3e7fe0ca | 1711 | if (DNSServiceResolve(&localref, |
db8b865d | 1712 | kDNSServiceFlagsShareConnection, myinterface, |
a469f8a5 | 1713 | hostname, regtype, "local.", http_resolve_cb, |
38e73f87 MS |
1714 | &uribuf) == kDNSServiceErr_NoError) |
1715 | { | |
acb056cb MS |
1716 | int fds; /* Number of ready descriptors */ |
1717 | time_t timeout, /* Poll timeout */ | |
3e7fe0ca MS |
1718 | start_time = time(NULL),/* Start time */ |
1719 | end_time = start_time + 90; | |
1720 | /* End time */ | |
acb056cb | 1721 | |
3e7fe0ca | 1722 | while (time(NULL) < end_time) |
38e73f87 | 1723 | { |
eac3a0a0 | 1724 | if (options & _HTTP_RESOLVE_STDERR) |
0837b7e8 | 1725 | _cupsLangPrintFilter(stderr, "INFO", _("Looking for printer.")); |
acb056cb | 1726 | |
07ed0e9a MS |
1727 | if (cb && !(*cb)(context)) |
1728 | { | |
1729 | DEBUG_puts("5_httpResolveURI: callback returned 0 (stop)"); | |
1730 | break; | |
1731 | } | |
1732 | ||
38e73f87 | 1733 | /* |
3e7fe0ca | 1734 | * Wakeup every 2 seconds to emit a "looking for printer" message... |
38e73f87 MS |
1735 | */ |
1736 | ||
3e7fe0ca MS |
1737 | if ((timeout = end_time - time(NULL)) > 2) |
1738 | timeout = 2; | |
acb056cb | 1739 | |
f3c17241 | 1740 | # ifdef HAVE_POLL |
38e73f87 MS |
1741 | polldata.fd = DNSServiceRefSockFD(ref); |
1742 | polldata.events = POLLIN; | |
1743 | ||
7e86f2f6 | 1744 | fds = poll(&polldata, 1, (int)(1000 * timeout)); |
acb056cb | 1745 | |
f3c17241 | 1746 | # else /* select() */ |
6d2f911b MS |
1747 | FD_ZERO(&input_set); |
1748 | FD_SET(DNSServiceRefSockFD(ref), &input_set); | |
1749 | ||
f3c17241 | 1750 | # ifdef WIN32 |
82cc1f9a | 1751 | stimeout.tv_sec = (long)timeout; |
f3c17241 | 1752 | # else |
3e7fe0ca | 1753 | stimeout.tv_sec = timeout; |
f3c17241 | 1754 | # endif /* WIN32 */ |
3e7fe0ca | 1755 | stimeout.tv_usec = 0; |
6d2f911b | 1756 | |
88f9aafc | 1757 | fds = select(DNSServiceRefSockFD(ref)+1, &input_set, NULL, NULL, |
3e7fe0ca | 1758 | &stimeout); |
f3c17241 | 1759 | # endif /* HAVE_POLL */ |
6d2f911b | 1760 | |
acb056cb MS |
1761 | if (fds < 0) |
1762 | { | |
1763 | if (errno != EINTR && errno != EAGAIN) | |
1764 | { | |
1765 | DEBUG_printf(("5_httpResolveURI: poll error: %s", strerror(errno))); | |
1766 | break; | |
1767 | } | |
1768 | } | |
1769 | else if (fds == 0) | |
38e73f87 MS |
1770 | { |
1771 | /* | |
acb056cb MS |
1772 | * Wait 2 seconds for a response to the local resolve; if nothing |
1773 | * comes in, do an additional domain resolution... | |
38e73f87 MS |
1774 | */ |
1775 | ||
3c218cf5 | 1776 | if (extrasent == 0 && domain && _cups_strcasecmp(domain, "local.")) |
acb056cb | 1777 | { |
eac3a0a0 | 1778 | if (options & _HTTP_RESOLVE_STDERR) |
acb056cb MS |
1779 | fprintf(stderr, |
1780 | "DEBUG: Resolving \"%s\", regtype=\"%s\", " | |
eac3a0a0 MS |
1781 | "domain=\"%s\"...\n", hostname, regtype, |
1782 | domain ? domain : ""); | |
88f9aafc | 1783 | |
acb056cb | 1784 | domainref = ref; |
3e7fe0ca | 1785 | if (DNSServiceResolve(&domainref, |
82cc1f9a | 1786 | kDNSServiceFlagsShareConnection, |
db8b865d | 1787 | myinterface, hostname, regtype, domain, |
3e7fe0ca MS |
1788 | http_resolve_cb, |
1789 | &uribuf) == kDNSServiceErr_NoError) | |
3c218cf5 MS |
1790 | extrasent = 1; |
1791 | } | |
1792 | else if (extrasent == 0 && !strcmp(scheme, "ippusb")) | |
1793 | { | |
1794 | if (options & _HTTP_RESOLVE_STDERR) | |
1795 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"_ipps._tcp\", domain=\"local.\"...\n", hostname); | |
1796 | ||
1797 | ippsref = ref; | |
1798 | if (DNSServiceResolve(&ippsref, | |
1799 | kDNSServiceFlagsShareConnection, | |
e13ce0be MS |
1800 | kDNSServiceInterfaceIndexAny, hostname, |
1801 | "_ipps._tcp", domain, http_resolve_cb, | |
3c218cf5 MS |
1802 | &uribuf) == kDNSServiceErr_NoError) |
1803 | extrasent = 1; | |
1804 | } | |
1805 | else if (extrasent == 1 && !strcmp(scheme, "ippusb")) | |
1806 | { | |
1807 | if (options & _HTTP_RESOLVE_STDERR) | |
1808 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"_ipp._tcp\", domain=\"local.\"...\n", hostname); | |
1809 | ||
1810 | ippref = ref; | |
1811 | if (DNSServiceResolve(&ippref, | |
1812 | kDNSServiceFlagsShareConnection, | |
e13ce0be MS |
1813 | kDNSServiceInterfaceIndexAny, hostname, |
1814 | "_ipp._tcp", domain, http_resolve_cb, | |
3c218cf5 MS |
1815 | &uribuf) == kDNSServiceErr_NoError) |
1816 | extrasent = 2; | |
acb056cb | 1817 | } |
6c48a6ca MS |
1818 | |
1819 | /* | |
1820 | * If it hasn't resolved within 5 seconds set the offline-report | |
1821 | * printer-state-reason... | |
1822 | */ | |
1823 | ||
eac3a0a0 MS |
1824 | if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 && |
1825 | time(NULL) > (start_time + 5)) | |
6c48a6ca MS |
1826 | { |
1827 | fputs("STATE: +offline-report\n", stderr); | |
1828 | offline = 1; | |
1829 | } | |
38e73f87 | 1830 | } |
acb056cb MS |
1831 | else |
1832 | { | |
2c3f5865 MS |
1833 | if (DNSServiceProcessResult(ref) == kDNSServiceErr_NoError && |
1834 | resolved_uri[0]) | |
acb056cb MS |
1835 | { |
1836 | uri = resolved_uri; | |
1837 | break; | |
1838 | } | |
1839 | } | |
1840 | } | |
38e73f87 | 1841 | |
3c218cf5 MS |
1842 | if (extrasent) |
1843 | { | |
1844 | if (domainref) | |
1845 | DNSServiceRefDeallocate(domainref); | |
1846 | if (ippref) | |
1847 | DNSServiceRefDeallocate(ippref); | |
1848 | if (ippsref) | |
1849 | DNSServiceRefDeallocate(ippsref); | |
1850 | } | |
38e73f87 MS |
1851 | |
1852 | DNSServiceRefDeallocate(localref); | |
1853 | } | |
5eb9da71 MS |
1854 | |
1855 | DNSServiceRefDeallocate(ref); | |
1856 | } | |
f3c17241 MS |
1857 | # else /* HAVE_AVAHI */ |
1858 | if ((uribuf.poll = avahi_simple_poll_new()) != NULL) | |
1859 | { | |
1860 | avahi_simple_poll_set_func(uribuf.poll, http_poll_cb, NULL); | |
1861 | ||
1862 | if ((client = avahi_client_new(avahi_simple_poll_get(uribuf.poll), | |
1863 | 0, http_client_cb, | |
1864 | &uribuf, &error)) != NULL) | |
1865 | { | |
1866 | if (avahi_service_resolver_new(client, AVAHI_IF_UNSPEC, | |
1867 | AVAHI_PROTO_UNSPEC, hostname, | |
1868 | regtype, "local.", AVAHI_PROTO_UNSPEC, 0, | |
1869 | http_resolve_cb, &uribuf) != NULL) | |
1870 | { | |
1871 | time_t start_time = time(NULL), | |
1872 | /* Start time */ | |
1873 | end_time = start_time + 90; | |
1874 | /* End time */ | |
1875 | int pstatus; /* Poll status */ | |
1876 | ||
1877 | pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000); | |
1878 | ||
1879 | if (pstatus == 0 && !resolved_uri[0] && domain && | |
1880 | _cups_strcasecmp(domain, "local.")) | |
1881 | { | |
1882 | /* | |
1883 | * Resolve for .local hasn't returned anything, try the listed | |
1884 | * domain... | |
1885 | */ | |
1886 | ||
1887 | avahi_service_resolver_new(client, AVAHI_IF_UNSPEC, | |
1888 | AVAHI_PROTO_UNSPEC, hostname, | |
1889 | regtype, domain, AVAHI_PROTO_UNSPEC, 0, | |
1890 | http_resolve_cb, &uribuf); | |
1891 | } | |
1892 | ||
1893 | while (!pstatus && !resolved_uri[0] && time(NULL) < end_time) | |
1894 | { | |
1895 | if ((pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000)) != 0) | |
1896 | break; | |
1897 | ||
1898 | /* | |
1899 | * If it hasn't resolved within 5 seconds set the offline-report | |
1900 | * printer-state-reason... | |
1901 | */ | |
1902 | ||
1903 | if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 && | |
1904 | time(NULL) > (start_time + 5)) | |
1905 | { | |
1906 | fputs("STATE: +offline-report\n", stderr); | |
1907 | offline = 1; | |
1908 | } | |
1909 | } | |
1910 | ||
1911 | /* | |
1912 | * Collect the result (if we got one). | |
1913 | */ | |
1914 | ||
1915 | if (resolved_uri[0]) | |
1916 | uri = resolved_uri; | |
1917 | } | |
1918 | ||
1919 | avahi_client_free(client); | |
1920 | } | |
1921 | ||
1922 | avahi_simple_poll_free(uribuf.poll); | |
1923 | } | |
1924 | # endif /* HAVE_DNSSD */ | |
1f0275e3 | 1925 | |
eac3a0a0 | 1926 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 MS |
1927 | { |
1928 | if (uri) | |
3e7fe0ca | 1929 | { |
38e73f87 | 1930 | fprintf(stderr, "DEBUG: Resolved as \"%s\"...\n", uri); |
3e7fe0ca MS |
1931 | fputs("STATE: -connecting-to-device,offline-report\n", stderr); |
1932 | } | |
f11a948a | 1933 | else |
3e7fe0ca | 1934 | { |
4d301e69 | 1935 | fputs("DEBUG: Unable to resolve URI\n", stderr); |
3e7fe0ca MS |
1936 | fputs("STATE: -connecting-to-device\n", stderr); |
1937 | } | |
38e73f87 | 1938 | } |
1f0275e3 | 1939 | |
f3c17241 | 1940 | #else /* HAVE_DNSSD || HAVE_AVAHI */ |
1f0275e3 MS |
1941 | /* |
1942 | * No DNS-SD support... | |
1943 | */ | |
5eb9da71 MS |
1944 | |
1945 | uri = NULL; | |
f3c17241 | 1946 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
1f0275e3 | 1947 | |
eac3a0a0 | 1948 | if ((options & _HTTP_RESOLVE_STDERR) && !uri) |
a469f8a5 | 1949 | _cupsLangPrintFilter(stderr, "INFO", _("Unable to find printer.")); |
5eb9da71 | 1950 | } |
eac3a0a0 MS |
1951 | else |
1952 | { | |
1953 | /* | |
1954 | * Nothing more to do... | |
1955 | */ | |
1956 | ||
1957 | strlcpy(resolved_uri, uri, resolved_size); | |
1958 | uri = resolved_uri; | |
1959 | } | |
5eb9da71 | 1960 | |
e07d4801 | 1961 | DEBUG_printf(("5_httpResolveURI: Returning \"%s\"", uri)); |
1f0275e3 | 1962 | |
5eb9da71 MS |
1963 | return (uri); |
1964 | } | |
1965 | ||
1966 | ||
f3c17241 MS |
1967 | #ifdef HAVE_AVAHI |
1968 | /* | |
1969 | * 'http_client_cb()' - Client callback for resolving URI. | |
1970 | */ | |
1971 | ||
1972 | static void | |
1973 | http_client_cb( | |
1974 | AvahiClient *client, /* I - Client information */ | |
1975 | AvahiClientState state, /* I - Current state */ | |
1976 | void *context) /* I - Pointer to URI buffer */ | |
1977 | { | |
1978 | DEBUG_printf(("7http_client_cb(client=%p, state=%d, context=%p)", client, | |
1979 | state, context)); | |
1980 | ||
1981 | /* | |
1982 | * If the connection drops, quit. | |
1983 | */ | |
1984 | ||
1985 | if (state == AVAHI_CLIENT_FAILURE) | |
1986 | { | |
1987 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; | |
1988 | /* URI buffer */ | |
1989 | ||
1990 | avahi_simple_poll_quit(uribuf->poll); | |
1991 | } | |
1992 | } | |
1993 | #endif /* HAVE_AVAHI */ | |
1994 | ||
1995 | ||
ef416fc2 | 1996 | /* |
1997 | * 'http_copy_decode()' - Copy and decode a URI. | |
1998 | */ | |
1999 | ||
2000 | static const char * /* O - New source pointer or NULL on error */ | |
88f9aafc | 2001 | http_copy_decode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 2002 | const char *src, /* I - Source pointer */ |
2003 | int dstsize, /* I - Destination size */ | |
a4d04587 | 2004 | const char *term, /* I - Terminating characters */ |
2005 | int decode) /* I - Decode %-encoded values */ | |
ef416fc2 | 2006 | { |
2007 | char *ptr, /* Pointer into buffer */ | |
2008 | *end; /* End of buffer */ | |
2009 | int quoted; /* Quoted character */ | |
2010 | ||
2011 | ||
2012 | /* | |
2013 | * Copy the src to the destination until we hit a terminating character | |
2014 | * or the end of the string. | |
2015 | */ | |
2016 | ||
e00b005a | 2017 | for (ptr = dst, end = dst + dstsize - 1; |
2018 | *src && (!term || !strchr(term, *src)); | |
2019 | src ++) | |
ef416fc2 | 2020 | if (ptr < end) |
2021 | { | |
a4d04587 | 2022 | if (*src == '%' && decode) |
ef416fc2 | 2023 | { |
2024 | if (isxdigit(src[1] & 255) && isxdigit(src[2] & 255)) | |
2025 | { | |
2026 | /* | |
2027 | * Grab a hex-encoded character... | |
2028 | */ | |
2029 | ||
2030 | src ++; | |
2031 | if (isalpha(*src)) | |
2032 | quoted = (tolower(*src) - 'a' + 10) << 4; | |
2033 | else | |
2034 | quoted = (*src - '0') << 4; | |
2035 | ||
2036 | src ++; | |
2037 | if (isalpha(*src)) | |
2038 | quoted |= tolower(*src) - 'a' + 10; | |
2039 | else | |
2040 | quoted |= *src - '0'; | |
2041 | ||
7e86f2f6 | 2042 | *ptr++ = (char)quoted; |
ef416fc2 | 2043 | } |
2044 | else | |
2045 | { | |
2046 | /* | |
2047 | * Bad hex-encoded character... | |
2048 | */ | |
2049 | ||
2050 | *ptr = '\0'; | |
2051 | return (NULL); | |
2052 | } | |
2053 | } | |
6961465f MS |
2054 | else if ((*src & 255) <= 0x20 || (*src & 255) >= 0x7f) |
2055 | { | |
2056 | *ptr = '\0'; | |
2057 | return (NULL); | |
2058 | } | |
ef416fc2 | 2059 | else |
2060 | *ptr++ = *src; | |
2061 | } | |
2062 | ||
2063 | *ptr = '\0'; | |
2064 | ||
2065 | return (src); | |
2066 | } | |
2067 | ||
2068 | ||
2069 | /* | |
2070 | * 'http_copy_encode()' - Copy and encode a URI. | |
2071 | */ | |
2072 | ||
2073 | static char * /* O - End of current URI */ | |
88f9aafc | 2074 | http_copy_encode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 2075 | const char *src, /* I - Source pointer */ |
2076 | char *dstend, /* I - End of destination buffer */ | |
a4d04587 | 2077 | const char *reserved, /* I - Extra reserved characters */ |
2078 | const char *term, /* I - Terminating characters */ | |
2079 | int encode) /* I - %-encode reserved chars? */ | |
ef416fc2 | 2080 | { |
ac884b6a | 2081 | static const char hex[] = "0123456789ABCDEF"; |
ef416fc2 | 2082 | |
2083 | ||
2084 | while (*src && dst < dstend) | |
2085 | { | |
a4d04587 | 2086 | if (term && *src == *term) |
2087 | return (dst); | |
2088 | ||
2089 | if (encode && (*src == '%' || *src <= ' ' || *src & 128 || | |
2090 | (reserved && strchr(reserved, *src)))) | |
ef416fc2 | 2091 | { |
2092 | /* | |
2093 | * Hex encode reserved characters... | |
2094 | */ | |
2095 | ||
2096 | if ((dst + 2) >= dstend) | |
2097 | break; | |
2098 | ||
2099 | *dst++ = '%'; | |
2100 | *dst++ = hex[(*src >> 4) & 15]; | |
2101 | *dst++ = hex[*src & 15]; | |
2102 | ||
2103 | src ++; | |
2104 | } | |
2105 | else | |
2106 | *dst++ = *src++; | |
2107 | } | |
2108 | ||
839a51c8 MS |
2109 | *dst = '\0'; |
2110 | ||
ef416fc2 | 2111 | if (*src) |
2112 | return (NULL); | |
2113 | else | |
2114 | return (dst); | |
2115 | } | |
2116 | ||
2117 | ||
5eb9da71 MS |
2118 | #ifdef HAVE_DNSSD |
2119 | /* | |
eac3a0a0 | 2120 | * 'http_resolve_cb()' - Build a device URI for the given service name. |
5eb9da71 MS |
2121 | */ |
2122 | ||
6d2f911b | 2123 | static void DNSSD_API |
eac3a0a0 | 2124 | http_resolve_cb( |
5eb9da71 MS |
2125 | DNSServiceRef sdRef, /* I - Service reference */ |
2126 | DNSServiceFlags flags, /* I - Results flags */ | |
2127 | uint32_t interfaceIndex, /* I - Interface number */ | |
2128 | DNSServiceErrorType errorCode, /* I - Error, if any */ | |
2129 | const char *fullName, /* I - Full service name */ | |
2130 | const char *hostTarget, /* I - Hostname */ | |
2131 | uint16_t port, /* I - Port number */ | |
2132 | uint16_t txtLen, /* I - Length of TXT record */ | |
2133 | const unsigned char *txtRecord, /* I - TXT record data */ | |
2134 | void *context) /* I - Pointer to URI buffer */ | |
2135 | { | |
f3c17241 MS |
2136 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; |
2137 | /* URI buffer */ | |
eac3a0a0 | 2138 | const char *scheme, /* URI scheme */ |
f3c17241 MS |
2139 | *hostptr, /* Pointer into hostTarget */ |
2140 | *reskey, /* "rp" or "rfo" */ | |
2141 | *resdefault; /* Default path */ | |
2142 | char resource[257], /* Remote path */ | |
eac3a0a0 | 2143 | fqdn[256]; /* FQDN of the .local name */ |
5eb9da71 MS |
2144 | const void *value; /* Value from TXT record */ |
2145 | uint8_t valueLen; /* Length of value */ | |
5eb9da71 MS |
2146 | |
2147 | ||
eac3a0a0 | 2148 | DEBUG_printf(("7http_resolve_cb(sdRef=%p, flags=%x, interfaceIndex=%u, " |
5eb9da71 | 2149 | "errorCode=%d, fullName=\"%s\", hostTarget=\"%s\", port=%u, " |
e07d4801 | 2150 | "txtLen=%u, txtRecord=%p, context=%p)", sdRef, flags, |
5eb9da71 MS |
2151 | interfaceIndex, errorCode, fullName, hostTarget, port, txtLen, |
2152 | txtRecord, context)); | |
2153 | ||
2c3f5865 MS |
2154 | /* |
2155 | * If we have a UUID, compare it... | |
2156 | */ | |
2157 | ||
2158 | if (uribuf->uuid && | |
2159 | (value = TXTRecordGetValuePtr(txtLen, txtRecord, "UUID", | |
2160 | &valueLen)) != NULL) | |
2161 | { | |
2162 | char uuid[256]; /* UUID value */ | |
2163 | ||
2164 | memcpy(uuid, value, valueLen); | |
2165 | uuid[valueLen] = '\0'; | |
2166 | ||
2167 | if (_cups_strcasecmp(uuid, uribuf->uuid)) | |
2168 | { | |
2169 | if (uribuf->options & _HTTP_RESOLVE_STDERR) | |
2c3f5865 MS |
2170 | fprintf(stderr, "DEBUG: Found UUID %s, looking for %s.", uuid, |
2171 | uribuf->uuid); | |
2c3f5865 MS |
2172 | |
2173 | DEBUG_printf(("7http_resolve_cb: Found UUID %s, looking for %s.", uuid, | |
2174 | uribuf->uuid)); | |
2175 | return; | |
2176 | } | |
2177 | } | |
2178 | ||
5eb9da71 MS |
2179 | /* |
2180 | * Figure out the scheme from the full name... | |
2181 | */ | |
2182 | ||
eac3a0a0 MS |
2183 | if (strstr(fullName, "._ipps") || strstr(fullName, "._ipp-tls")) |
2184 | scheme = "ipps"; | |
2185 | else if (strstr(fullName, "._ipp") || strstr(fullName, "._fax-ipp")) | |
5eb9da71 | 2186 | scheme = "ipp"; |
eac3a0a0 MS |
2187 | else if (strstr(fullName, "._http.")) |
2188 | scheme = "http"; | |
2189 | else if (strstr(fullName, "._https.")) | |
2190 | scheme = "https"; | |
5eb9da71 MS |
2191 | else if (strstr(fullName, "._printer.")) |
2192 | scheme = "lpd"; | |
2193 | else if (strstr(fullName, "._pdl-datastream.")) | |
2194 | scheme = "socket"; | |
2195 | else | |
2196 | scheme = "riousbprint"; | |
2197 | ||
2198 | /* | |
2199 | * Extract the "remote printer" key from the TXT record... | |
2200 | */ | |
2201 | ||
f3c17241 | 2202 | if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) && |
0d4d48ad MS |
2203 | (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2204 | !TXTRecordGetValuePtr(txtLen, txtRecord, "printer-type", &valueLen)) | |
f3c17241 MS |
2205 | { |
2206 | reskey = "rfo"; | |
2207 | resdefault = "/ipp/faxout"; | |
2208 | } | |
2209 | else | |
2210 | { | |
2211 | reskey = "rp"; | |
2212 | resdefault = "/"; | |
2213 | } | |
2214 | ||
2215 | if ((value = TXTRecordGetValuePtr(txtLen, txtRecord, reskey, | |
5eb9da71 | 2216 | &valueLen)) != NULL) |
9b66acc5 MS |
2217 | { |
2218 | if (((char *)value)[0] == '/') | |
2219 | { | |
2220 | /* | |
f3c17241 | 2221 | * Value (incorrectly) has a leading slash already... |
9b66acc5 MS |
2222 | */ |
2223 | ||
f3c17241 MS |
2224 | memcpy(resource, value, valueLen); |
2225 | resource[valueLen] = '\0'; | |
9b66acc5 MS |
2226 | } |
2227 | else | |
2228 | { | |
2229 | /* | |
2230 | * Convert to resource by concatenating with a leading "/"... | |
2231 | */ | |
2232 | ||
f3c17241 MS |
2233 | resource[0] = '/'; |
2234 | memcpy(resource + 1, value, valueLen); | |
2235 | resource[valueLen + 1] = '\0'; | |
9b66acc5 MS |
2236 | } |
2237 | } | |
2238 | else | |
5eb9da71 MS |
2239 | { |
2240 | /* | |
f3c17241 | 2241 | * Use the default value... |
5eb9da71 MS |
2242 | */ |
2243 | ||
f3c17241 | 2244 | strlcpy(resource, resdefault, sizeof(resource)); |
5eb9da71 | 2245 | } |
5eb9da71 MS |
2246 | |
2247 | /* | |
eac3a0a0 | 2248 | * Lookup the FQDN if needed... |
5eb9da71 MS |
2249 | */ |
2250 | ||
eac3a0a0 MS |
2251 | if ((uribuf->options & _HTTP_RESOLVE_FQDN) && |
2252 | (hostptr = hostTarget + strlen(hostTarget) - 7) > hostTarget && | |
88f9aafc | 2253 | !_cups_strcasecmp(hostptr, ".local.")) |
eac3a0a0 MS |
2254 | { |
2255 | /* | |
2256 | * OK, we got a .local name but the caller needs a real domain. Start by | |
2257 | * getting the IP address of the .local name and then do reverse-lookups... | |
2258 | */ | |
2259 | ||
2260 | http_addrlist_t *addrlist, /* List of addresses */ | |
2261 | *addr; /* Current address */ | |
2262 | ||
2263 | DEBUG_printf(("8http_resolve_cb: Looking up \"%s\".", hostTarget)); | |
2264 | ||
2265 | snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port)); | |
2266 | if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL) | |
2267 | { | |
2268 | for (addr = addrlist; addr; addr = addr->next) | |
2269 | { | |
7e86f2f6 | 2270 | int error = getnameinfo(&(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr)), fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD); |
eac3a0a0 MS |
2271 | |
2272 | if (!error) | |
2273 | { | |
2274 | DEBUG_printf(("8http_resolve_cb: Found \"%s\".", fqdn)); | |
2275 | ||
2276 | if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn || | |
88f9aafc | 2277 | _cups_strcasecmp(hostptr, ".local")) |
eac3a0a0 MS |
2278 | { |
2279 | hostTarget = fqdn; | |
2280 | break; | |
2281 | } | |
2282 | } | |
2283 | #ifdef DEBUG | |
2284 | else | |
2285 | DEBUG_printf(("8http_resolve_cb: \"%s\" did not resolve: %d", | |
2286 | httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)), | |
2287 | error)); | |
2288 | #endif /* DEBUG */ | |
2289 | } | |
0fa6c7fa MS |
2290 | |
2291 | httpAddrFreeList(addrlist); | |
eac3a0a0 MS |
2292 | } |
2293 | } | |
2294 | ||
2295 | /* | |
2296 | * Assemble the final device URI... | |
2297 | */ | |
5eb9da71 | 2298 | |
5a9febac MS |
2299 | if ((!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2300 | !strcmp(uribuf->resource, "/cups")) | |
7e86f2f6 | 2301 | httpAssembleURIf(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, NULL, hostTarget, ntohs(port), "%s?snmp=false", resource); |
5a9febac | 2302 | else |
7e86f2f6 | 2303 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, NULL, hostTarget, ntohs(port), resource); |
5eb9da71 | 2304 | |
eac3a0a0 | 2305 | DEBUG_printf(("8http_resolve_cb: Resolved URI is \"%s\"...", uribuf->buffer)); |
5eb9da71 | 2306 | } |
f3c17241 MS |
2307 | |
2308 | #elif defined(HAVE_AVAHI) | |
2309 | /* | |
2310 | * 'http_poll_cb()' - Wait for input on the specified file descriptors. | |
2311 | * | |
2312 | * Note: This function is needed because avahi_simple_poll_iterate is broken | |
2313 | * and always uses a timeout of 0 (!) milliseconds. | |
2314 | * (Avahi Ticket #364) | |
2315 | */ | |
2316 | ||
2317 | static int /* O - Number of file descriptors matching */ | |
2318 | http_poll_cb( | |
2319 | struct pollfd *pollfds, /* I - File descriptors */ | |
2320 | unsigned int num_pollfds, /* I - Number of file descriptors */ | |
2321 | int timeout, /* I - Timeout in milliseconds (used) */ | |
2322 | void *context) /* I - User data (unused) */ | |
2323 | { | |
2324 | (void)timeout; | |
2325 | (void)context; | |
2326 | ||
2327 | return (poll(pollfds, num_pollfds, 2000)); | |
2328 | } | |
2329 | ||
2330 | ||
2331 | /* | |
2332 | * 'http_resolve_cb()' - Build a device URI for the given service name. | |
2333 | */ | |
2334 | ||
2335 | static void | |
2336 | http_resolve_cb( | |
2337 | AvahiServiceResolver *resolver, /* I - Resolver (unused) */ | |
2338 | AvahiIfIndex interface, /* I - Interface index (unused) */ | |
2339 | AvahiProtocol protocol, /* I - Network protocol (unused) */ | |
2340 | AvahiResolverEvent event, /* I - Event (found, etc.) */ | |
2341 | const char *name, /* I - Service name */ | |
2342 | const char *type, /* I - Registration type */ | |
2343 | const char *domain, /* I - Domain (unused) */ | |
2344 | const char *hostTarget, /* I - Hostname */ | |
2345 | const AvahiAddress *address, /* I - Address (unused) */ | |
2346 | uint16_t port, /* I - Port number */ | |
2347 | AvahiStringList *txt, /* I - TXT record */ | |
2348 | AvahiLookupResultFlags flags, /* I - Lookup flags (unused) */ | |
2349 | void *context) /* I - Pointer to URI buffer */ | |
2350 | { | |
2351 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; | |
2352 | /* URI buffer */ | |
2353 | const char *scheme, /* URI scheme */ | |
2354 | *hostptr, /* Pointer into hostTarget */ | |
2355 | *reskey, /* "rp" or "rfo" */ | |
2356 | *resdefault; /* Default path */ | |
2357 | char resource[257], /* Remote path */ | |
2358 | fqdn[256]; /* FQDN of the .local name */ | |
2359 | AvahiStringList *pair; /* Current TXT record key/value pair */ | |
2360 | char *value; /* Value for "rp" key */ | |
2361 | size_t valueLen = 0; /* Length of "rp" key */ | |
2362 | ||
2363 | ||
2364 | DEBUG_printf(("7http_resolve_cb(resolver=%p, " | |
2365 | "interface=%d, protocol=%d, event=%d, name=\"%s\", " | |
2366 | "type=\"%s\", domain=\"%s\", hostTarget=\"%s\", address=%p, " | |
2367 | "port=%d, txt=%p, flags=%d, context=%p)", | |
2368 | resolver, interface, protocol, event, name, type, domain, | |
2369 | hostTarget, address, port, txt, flags, context)); | |
2370 | ||
2371 | if (event != AVAHI_RESOLVER_FOUND) | |
2372 | { | |
2373 | avahi_service_resolver_free(resolver); | |
2374 | avahi_simple_poll_quit(uribuf->poll); | |
2375 | return; | |
2376 | } | |
2377 | ||
2c3f5865 MS |
2378 | /* |
2379 | * If we have a UUID, compare it... | |
2380 | */ | |
2381 | ||
2382 | if (uribuf->uuid && (pair = avahi_string_list_find(txt, "UUID")) != NULL) | |
2383 | { | |
2384 | char uuid[256]; /* UUID value */ | |
2385 | ||
2386 | avahi_string_list_get_pair(pair, NULL, &value, &valueLen); | |
2387 | ||
2388 | memcpy(uuid, value, valueLen); | |
2389 | uuid[valueLen] = '\0'; | |
2390 | ||
2391 | if (_cups_strcasecmp(uuid, uribuf->uuid)) | |
2392 | { | |
2393 | if (uribuf->options & _HTTP_RESOLVE_STDERR) | |
2c3f5865 MS |
2394 | fprintf(stderr, "DEBUG: Found UUID %s, looking for %s.", uuid, |
2395 | uribuf->uuid); | |
2c3f5865 MS |
2396 | |
2397 | DEBUG_printf(("7http_resolve_cb: Found UUID %s, looking for %s.", uuid, | |
2398 | uribuf->uuid)); | |
2399 | return; | |
2400 | } | |
2401 | } | |
2402 | ||
f3c17241 MS |
2403 | /* |
2404 | * Figure out the scheme from the full name... | |
2405 | */ | |
2406 | ||
2407 | if (strstr(type, "_ipp.")) | |
2408 | scheme = "ipp"; | |
2409 | else if (strstr(type, "_printer.")) | |
2410 | scheme = "lpd"; | |
2411 | else if (strstr(type, "_pdl-datastream.")) | |
2412 | scheme = "socket"; | |
2413 | else | |
2414 | scheme = "riousbprint"; | |
2415 | ||
2416 | if (!strncmp(type, "_ipps.", 6) || !strncmp(type, "_ipp-tls.", 9)) | |
2417 | scheme = "ipps"; | |
2418 | else if (!strncmp(type, "_ipp.", 5) || !strncmp(type, "_fax-ipp.", 9)) | |
2419 | scheme = "ipp"; | |
2420 | else if (!strncmp(type, "_http.", 6)) | |
2421 | scheme = "http"; | |
2422 | else if (!strncmp(type, "_https.", 7)) | |
2423 | scheme = "https"; | |
2424 | else if (!strncmp(type, "_printer.", 9)) | |
2425 | scheme = "lpd"; | |
2426 | else if (!strncmp(type, "_pdl-datastream.", 16)) | |
2427 | scheme = "socket"; | |
2428 | else | |
2429 | { | |
2430 | avahi_service_resolver_free(resolver); | |
2431 | avahi_simple_poll_quit(uribuf->poll); | |
2432 | return; | |
2433 | } | |
2434 | ||
2435 | /* | |
2436 | * Extract the remote resource key from the TXT record... | |
2437 | */ | |
2438 | ||
2439 | if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) && | |
2c3f5865 MS |
2440 | (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2441 | !avahi_string_list_find(txt, "printer-type")) | |
f3c17241 MS |
2442 | { |
2443 | reskey = "rfo"; | |
2444 | resdefault = "/ipp/faxout"; | |
2445 | } | |
2446 | else | |
2447 | { | |
2448 | reskey = "rp"; | |
2449 | resdefault = "/"; | |
2450 | } | |
2451 | ||
2452 | if ((pair = avahi_string_list_find(txt, reskey)) != NULL) | |
2453 | { | |
2454 | avahi_string_list_get_pair(pair, NULL, &value, &valueLen); | |
2455 | ||
2456 | if (value[0] == '/') | |
2457 | { | |
2458 | /* | |
2459 | * Value (incorrectly) has a leading slash already... | |
2460 | */ | |
2461 | ||
2462 | memcpy(resource, value, valueLen); | |
2463 | resource[valueLen] = '\0'; | |
2464 | } | |
2465 | else | |
2466 | { | |
2467 | /* | |
2468 | * Convert to resource by concatenating with a leading "/"... | |
2469 | */ | |
2470 | ||
2471 | resource[0] = '/'; | |
2472 | memcpy(resource + 1, value, valueLen); | |
2473 | resource[valueLen + 1] = '\0'; | |
2474 | } | |
2475 | } | |
2476 | else | |
2477 | { | |
2478 | /* | |
2479 | * Use the default value... | |
2480 | */ | |
2481 | ||
2482 | strlcpy(resource, resdefault, sizeof(resource)); | |
2483 | } | |
2484 | ||
2485 | /* | |
2486 | * Lookup the FQDN if needed... | |
2487 | */ | |
2488 | ||
2489 | if ((uribuf->options & _HTTP_RESOLVE_FQDN) && | |
2490 | (hostptr = hostTarget + strlen(hostTarget) - 6) > hostTarget && | |
2491 | !_cups_strcasecmp(hostptr, ".local")) | |
2492 | { | |
2493 | /* | |
2494 | * OK, we got a .local name but the caller needs a real domain. Start by | |
2495 | * getting the IP address of the .local name and then do reverse-lookups... | |
2496 | */ | |
2497 | ||
2498 | http_addrlist_t *addrlist, /* List of addresses */ | |
2499 | *addr; /* Current address */ | |
2500 | ||
2501 | DEBUG_printf(("8http_resolve_cb: Looking up \"%s\".", hostTarget)); | |
2502 | ||
2503 | snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port)); | |
2504 | if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL) | |
2505 | { | |
2506 | for (addr = addrlist; addr; addr = addr->next) | |
2507 | { | |
07623986 | 2508 | int error = getnameinfo(&(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr)), fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD); |
f3c17241 MS |
2509 | |
2510 | if (!error) | |
2511 | { | |
2512 | DEBUG_printf(("8http_resolve_cb: Found \"%s\".", fqdn)); | |
2513 | ||
2514 | if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn || | |
2515 | _cups_strcasecmp(hostptr, ".local")) | |
2516 | { | |
2517 | hostTarget = fqdn; | |
2518 | break; | |
2519 | } | |
2520 | } | |
2521 | #ifdef DEBUG | |
2522 | else | |
2523 | DEBUG_printf(("8http_resolve_cb: \"%s\" did not resolve: %d", | |
2524 | httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)), | |
2525 | error)); | |
2526 | #endif /* DEBUG */ | |
2527 | } | |
0fa6c7fa MS |
2528 | |
2529 | httpAddrFreeList(addrlist); | |
f3c17241 MS |
2530 | } |
2531 | } | |
2532 | ||
2533 | /* | |
2534 | * Assemble the final device URI using the resolved hostname... | |
2535 | */ | |
2536 | ||
2537 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, uribuf->bufsize, scheme, | |
2538 | NULL, hostTarget, port, resource); | |
2539 | DEBUG_printf(("8http_resolve_cb: Resolved URI is \"%s\".", uribuf->buffer)); | |
2540 | ||
2541 | avahi_simple_poll_quit(uribuf->poll); | |
2542 | } | |
5eb9da71 MS |
2543 | #endif /* HAVE_DNSSD */ |
2544 | ||
2545 | ||
ef416fc2 | 2546 | /* |
f2d18633 | 2547 | * End of "$Id$". |
ef416fc2 | 2548 | */ |