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Commit | Line | Data |
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ef416fc2 | 1 | /* |
5ec1fd3d | 2 | * HTTP support routines for CUPS. |
ef416fc2 | 3 | * |
4db7fcee | 4 | * Copyright 2007-2016 by Apple Inc. |
5ec1fd3d | 5 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 6 | * |
5ec1fd3d MS |
7 | * These coded instructions, statements, and computer programs are the |
8 | * property of Apple Inc. and are protected by Federal copyright | |
9 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
10 | * which should have been included with this file. If this file is | |
11 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 12 | * |
5ec1fd3d | 13 | * This file is subject to the Apple OS-Developed Software exception. |
ef416fc2 | 14 | */ |
15 | ||
16 | /* | |
17 | * Include necessary headers... | |
18 | */ | |
19 | ||
71e16022 | 20 | #include "cups-private.h" |
5eb9da71 MS |
21 | #ifdef HAVE_DNSSD |
22 | # include <dns_sd.h> | |
6d2f911b MS |
23 | # ifdef WIN32 |
24 | # include <io.h> | |
25 | # elif defined(HAVE_POLL) | |
26 | # include <poll.h> | |
27 | # else | |
28 | # include <sys/select.h> | |
29 | # endif /* WIN32 */ | |
f3c17241 MS |
30 | #elif defined(HAVE_AVAHI) |
31 | # include <avahi-client/client.h> | |
32 | # include <avahi-client/lookup.h> | |
33 | # include <avahi-common/simple-watch.h> | |
5eb9da71 MS |
34 | #endif /* HAVE_DNSSD */ |
35 | ||
36 | ||
37 | /* | |
38 | * Local types... | |
39 | */ | |
40 | ||
41 | typedef struct _http_uribuf_s /* URI buffer */ | |
42 | { | |
f3c17241 MS |
43 | #ifdef HAVE_AVAHI |
44 | AvahiSimplePoll *poll; /* Poll state */ | |
45 | #endif /* HAVE_AVAHI */ | |
46 | char *buffer; /* Pointer to buffer */ | |
47 | size_t bufsize; /* Size of buffer */ | |
48 | int options; /* Options passed to _httpResolveURI */ | |
5a9febac | 49 | const char *resource; /* Resource from URI */ |
2c3f5865 | 50 | const char *uuid; /* UUID from URI */ |
5eb9da71 | 51 | } _http_uribuf_t; |
ef416fc2 | 52 | |
53 | ||
54 | /* | |
55 | * Local globals... | |
56 | */ | |
57 | ||
5ec1fd3d | 58 | static const char * const http_days[7] =/* Days of the week */ |
ef416fc2 | 59 | { |
0a682745 MS |
60 | "Sun", |
61 | "Mon", | |
ef416fc2 | 62 | "Tue", |
63 | "Wed", | |
64 | "Thu", | |
65 | "Fri", | |
66 | "Sat" | |
67 | }; | |
68 | static const char * const http_months[12] = | |
5ec1fd3d | 69 | { /* Months of the year */ |
ef416fc2 | 70 | "Jan", |
71 | "Feb", | |
72 | "Mar", | |
73 | "Apr", | |
74 | "May", | |
75 | "Jun", | |
76 | "Jul", | |
77 | "Aug", | |
78 | "Sep", | |
79 | "Oct", | |
80 | "Nov", | |
81 | "Dec" | |
82 | }; | |
5ec1fd3d MS |
83 | static const char * const http_states[] = |
84 | { /* HTTP state strings */ | |
85 | "HTTP_STATE_ERROR", | |
86 | "HTTP_STATE_WAITING", | |
87 | "HTTP_STATE_OPTIONS", | |
88 | "HTTP_STATE_GET", | |
89 | "HTTP_STATE_GET_SEND", | |
90 | "HTTP_STATE_HEAD", | |
91 | "HTTP_STATE_POST", | |
92 | "HTTP_STATE_POST_RECV", | |
93 | "HTTP_STATE_POST_SEND", | |
94 | "HTTP_STATE_PUT", | |
95 | "HTTP_STATE_PUT_RECV", | |
96 | "HTTP_STATE_DELETE", | |
97 | "HTTP_STATE_TRACE", | |
98 | "HTTP_STATE_CONNECT", | |
99 | "HTTP_STATE_STATUS", | |
100 | "HTTP_STATE_UNKNOWN_METHOD", | |
101 | "HTTP_STATE_UNKNOWN_VERSION" | |
102 | }; | |
ef416fc2 | 103 | |
104 | ||
105 | /* | |
106 | * Local functions... | |
107 | */ | |
108 | ||
109 | static const char *http_copy_decode(char *dst, const char *src, | |
a4d04587 | 110 | int dstsize, const char *term, |
111 | int decode); | |
ef416fc2 | 112 | static char *http_copy_encode(char *dst, const char *src, |
a4d04587 | 113 | char *dstend, const char *reserved, |
114 | const char *term, int encode); | |
5eb9da71 | 115 | #ifdef HAVE_DNSSD |
eac3a0a0 MS |
116 | static void DNSSD_API http_resolve_cb(DNSServiceRef sdRef, |
117 | DNSServiceFlags flags, | |
118 | uint32_t interfaceIndex, | |
119 | DNSServiceErrorType errorCode, | |
120 | const char *fullName, | |
121 | const char *hostTarget, | |
122 | uint16_t port, uint16_t txtLen, | |
123 | const unsigned char *txtRecord, | |
124 | void *context); | |
5eb9da71 | 125 | #endif /* HAVE_DNSSD */ |
ef416fc2 | 126 | |
f3c17241 MS |
127 | #ifdef HAVE_AVAHI |
128 | static void http_client_cb(AvahiClient *client, | |
129 | AvahiClientState state, void *simple_poll); | |
130 | static int http_poll_cb(struct pollfd *pollfds, unsigned int num_pollfds, | |
131 | int timeout, void *context); | |
132 | static void http_resolve_cb(AvahiServiceResolver *resolver, | |
133 | AvahiIfIndex interface, | |
134 | AvahiProtocol protocol, | |
135 | AvahiResolverEvent event, | |
136 | const char *name, const char *type, | |
137 | const char *domain, const char *host_name, | |
138 | const AvahiAddress *address, uint16_t port, | |
139 | AvahiStringList *txt, | |
140 | AvahiLookupResultFlags flags, void *context); | |
141 | #endif /* HAVE_AVAHI */ | |
142 | ||
ef416fc2 | 143 | |
144 | /* | |
145 | * 'httpAssembleURI()' - Assemble a uniform resource identifier from its | |
146 | * components. | |
147 | * | |
ecdc0628 | 148 | * This function escapes reserved characters in the URI depending on the |
149 | * value of the "encoding" argument. You should use this function in | |
150 | * place of traditional string functions whenever you need to create a | |
151 | * URI string. | |
ef416fc2 | 152 | * |
8072030b | 153 | * @since CUPS 1.2/macOS 10.5@ |
ef416fc2 | 154 | */ |
155 | ||
156 | http_uri_status_t /* O - URI status */ | |
a4d04587 | 157 | httpAssembleURI( |
158 | http_uri_coding_t encoding, /* I - Encoding flags */ | |
159 | char *uri, /* I - URI buffer */ | |
160 | int urilen, /* I - Size of URI buffer */ | |
161 | const char *scheme, /* I - Scheme name */ | |
162 | const char *username, /* I - Username */ | |
163 | const char *host, /* I - Hostname or address */ | |
164 | int port, /* I - Port number */ | |
165 | const char *resource) /* I - Resource */ | |
ef416fc2 | 166 | { |
167 | char *ptr, /* Pointer into URI buffer */ | |
168 | *end; /* End of URI buffer */ | |
ef416fc2 | 169 | |
170 | ||
171 | /* | |
172 | * Range check input... | |
173 | */ | |
174 | ||
175 | if (!uri || urilen < 1 || !scheme || port < 0) | |
176 | { | |
177 | if (uri) | |
178 | *uri = '\0'; | |
179 | ||
cb7f98ee | 180 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
ef416fc2 | 181 | } |
182 | ||
183 | /* | |
184 | * Assemble the URI starting with the scheme... | |
185 | */ | |
186 | ||
187 | end = uri + urilen - 1; | |
a4d04587 | 188 | ptr = http_copy_encode(uri, scheme, end, NULL, NULL, 0); |
ef416fc2 | 189 | |
190 | if (!ptr) | |
191 | goto assemble_overflow; | |
192 | ||
60bc88e1 | 193 | if (!strcmp(scheme, "geo") || !strcmp(scheme, "mailto") || !strcmp(scheme, "tel")) |
ef416fc2 | 194 | { |
195 | /* | |
60bc88e1 | 196 | * geo:, mailto:, and tel: only have :, no //... |
ef416fc2 | 197 | */ |
198 | ||
199 | if (ptr < end) | |
200 | *ptr++ = ':'; | |
201 | else | |
202 | goto assemble_overflow; | |
203 | } | |
204 | else | |
205 | { | |
206 | /* | |
60bc88e1 | 207 | * Schemes other than geo:, mailto:, and tel: typically have //... |
ef416fc2 | 208 | */ |
209 | ||
210 | if ((ptr + 2) < end) | |
211 | { | |
212 | *ptr++ = ':'; | |
213 | *ptr++ = '/'; | |
214 | *ptr++ = '/'; | |
215 | } | |
216 | else | |
217 | goto assemble_overflow; | |
218 | } | |
219 | ||
220 | /* | |
221 | * Next the username and hostname, if any... | |
222 | */ | |
223 | ||
224 | if (host) | |
225 | { | |
ff862e50 MS |
226 | const char *hostptr; /* Pointer into hostname */ |
227 | int have_ipv6; /* Do we have an IPv6 address? */ | |
228 | ||
ef416fc2 | 229 | if (username && *username) |
230 | { | |
231 | /* | |
232 | * Add username@ first... | |
233 | */ | |
234 | ||
85dda01c | 235 | ptr = http_copy_encode(ptr, username, end, "/?#[]@", NULL, |
a4d04587 | 236 | encoding & HTTP_URI_CODING_USERNAME); |
ef416fc2 | 237 | |
238 | if (!ptr) | |
239 | goto assemble_overflow; | |
240 | ||
241 | if (ptr < end) | |
242 | *ptr++ = '@'; | |
243 | else | |
244 | goto assemble_overflow; | |
245 | } | |
246 | ||
247 | /* | |
248 | * Then add the hostname. Since IPv6 is a particular pain to deal | |
c9fc04c6 | 249 | * with, we have several special cases to deal with. If we get |
ef416fc2 | 250 | * an IPv6 address with brackets around it, assume it is already in |
c9fc04c6 MS |
251 | * URI format. Since DNS-SD service names can sometimes look like |
252 | * raw IPv6 addresses, we specifically look for "._tcp" in the name, | |
253 | * too... | |
ef416fc2 | 254 | */ |
255 | ||
ff862e50 MS |
256 | for (hostptr = host, |
257 | have_ipv6 = strchr(host, ':') && !strstr(host, "._tcp"); | |
258 | *hostptr && have_ipv6; | |
259 | hostptr ++) | |
260 | if (*hostptr != ':' && !isxdigit(*hostptr & 255)) | |
261 | { | |
262 | have_ipv6 = *hostptr == '%'; | |
263 | break; | |
264 | } | |
265 | ||
266 | if (have_ipv6) | |
ef416fc2 | 267 | { |
268 | /* | |
c9fc04c6 | 269 | * We have a raw IPv6 address... |
ef416fc2 | 270 | */ |
271 | ||
86c809d9 | 272 | if (strchr(host, '%') && !(encoding & HTTP_URI_CODING_RFC6874)) |
ef416fc2 | 273 | { |
274 | /* | |
275 | * We have a link-local address, add "[v1." prefix... | |
276 | */ | |
277 | ||
278 | if ((ptr + 4) < end) | |
279 | { | |
280 | *ptr++ = '['; | |
281 | *ptr++ = 'v'; | |
282 | *ptr++ = '1'; | |
283 | *ptr++ = '.'; | |
284 | } | |
285 | else | |
286 | goto assemble_overflow; | |
287 | } | |
288 | else | |
289 | { | |
290 | /* | |
ff862e50 | 291 | * We have a normal (or RFC 6874 link-local) address, add "[" prefix... |
ef416fc2 | 292 | */ |
293 | ||
294 | if (ptr < end) | |
295 | *ptr++ = '['; | |
296 | else | |
297 | goto assemble_overflow; | |
298 | } | |
299 | ||
300 | /* | |
301 | * Copy the rest of the IPv6 address, and terminate with "]". | |
302 | */ | |
303 | ||
304 | while (ptr < end && *host) | |
305 | { | |
306 | if (*host == '%') | |
86c809d9 MS |
307 | { |
308 | /* | |
309 | * Convert/encode zone separator | |
310 | */ | |
311 | ||
312 | if (encoding & HTTP_URI_CODING_RFC6874) | |
313 | { | |
314 | if (ptr >= (end - 2)) | |
315 | goto assemble_overflow; | |
316 | ||
317 | *ptr++ = '%'; | |
318 | *ptr++ = '2'; | |
319 | *ptr++ = '5'; | |
320 | } | |
321 | else | |
322 | *ptr++ = '+'; | |
323 | ||
ef416fc2 | 324 | host ++; |
325 | } | |
326 | else | |
327 | *ptr++ = *host++; | |
328 | } | |
329 | ||
330 | if (*host) | |
331 | goto assemble_overflow; | |
332 | ||
333 | if (ptr < end) | |
334 | *ptr++ = ']'; | |
335 | else | |
336 | goto assemble_overflow; | |
337 | } | |
338 | else | |
339 | { | |
340 | /* | |
ff862e50 MS |
341 | * Otherwise, just copy the host string (the extra chars are not in the |
342 | * "reg-name" ABNF rule; anything <= SP or >= DEL plus % gets automatically | |
343 | * percent-encoded. | |
ef416fc2 | 344 | */ |
ff862e50 MS |
345 | |
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 | { | |
07623986 | 359 | snprintf(ptr, (size_t)(end - ptr + 1), ":%d", port); |
ef416fc2 | 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 | * |
8072030b | 433 | * @since CUPS 1.2/macOS 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 | ||
7e86f2f6 | 473 | if ((size_t)bytes >= sizeof(resource)) |
a4d04587 | 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 | 492 | * |
8072030b | 493 | * @since CUPS 1.7/macOS 10.9@ |
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); | |
7e86f2f6 | 521 | _cupsMD5Append(&md5state, (unsigned char *)data, (int)strlen(data)); |
07ed0e9a MS |
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 | ||
539 | ||
ef416fc2 | 540 | /* |
541 | * 'httpDecode64()' - Base64-decode a string. | |
ecdc0628 | 542 | * |
543 | * This function is deprecated. Use the httpDecode64_2() function instead | |
544 | * which provides buffer length arguments. | |
545 | * | |
546 | * @deprecated@ | |
ef416fc2 | 547 | */ |
548 | ||
549 | char * /* O - Decoded string */ | |
550 | httpDecode64(char *out, /* I - String to write to */ | |
551 | const char *in) /* I - String to read from */ | |
552 | { | |
553 | int outlen; /* Output buffer length */ | |
554 | ||
555 | ||
556 | /* | |
557 | * Use the old maximum buffer size for binary compatibility... | |
558 | */ | |
559 | ||
560 | outlen = 512; | |
561 | ||
562 | return (httpDecode64_2(out, &outlen, in)); | |
563 | } | |
564 | ||
565 | ||
566 | /* | |
567 | * 'httpDecode64_2()' - Base64-decode a string. | |
568 | * | |
8072030b | 569 | * @since CUPS 1.1.21/macOS 10.4@ |
ef416fc2 | 570 | */ |
571 | ||
572 | char * /* O - Decoded string */ | |
573 | httpDecode64_2(char *out, /* I - String to write to */ | |
574 | int *outlen, /* IO - Size of output string */ | |
575 | const char *in) /* I - String to read from */ | |
576 | { | |
7e86f2f6 MS |
577 | int pos; /* Bit position */ |
578 | unsigned base64; /* Value of this character */ | |
579 | char *outptr, /* Output pointer */ | |
580 | *outend; /* End of output buffer */ | |
ef416fc2 | 581 | |
582 | ||
583 | /* | |
584 | * Range check input... | |
585 | */ | |
586 | ||
fa73b229 | 587 | if (!out || !outlen || *outlen < 1 || !in) |
ef416fc2 | 588 | return (NULL); |
589 | ||
fa73b229 | 590 | if (!*in) |
591 | { | |
592 | *out = '\0'; | |
593 | *outlen = 0; | |
594 | ||
595 | return (out); | |
596 | } | |
597 | ||
ef416fc2 | 598 | /* |
599 | * Convert from base-64 to bytes... | |
600 | */ | |
601 | ||
602 | for (outptr = out, outend = out + *outlen - 1, pos = 0; *in != '\0'; in ++) | |
603 | { | |
604 | /* | |
605 | * Decode this character into a number from 0 to 63... | |
606 | */ | |
607 | ||
608 | if (*in >= 'A' && *in <= 'Z') | |
7e86f2f6 | 609 | base64 = (unsigned)(*in - 'A'); |
ef416fc2 | 610 | else if (*in >= 'a' && *in <= 'z') |
7e86f2f6 | 611 | base64 = (unsigned)(*in - 'a' + 26); |
ef416fc2 | 612 | else if (*in >= '0' && *in <= '9') |
7e86f2f6 | 613 | base64 = (unsigned)(*in - '0' + 52); |
ef416fc2 | 614 | else if (*in == '+') |
615 | base64 = 62; | |
616 | else if (*in == '/') | |
617 | base64 = 63; | |
618 | else if (*in == '=') | |
619 | break; | |
620 | else | |
621 | continue; | |
622 | ||
623 | /* | |
624 | * Store the result in the appropriate chars... | |
625 | */ | |
626 | ||
627 | switch (pos) | |
628 | { | |
629 | case 0 : | |
630 | if (outptr < outend) | |
7e86f2f6 | 631 | *outptr = (char)(base64 << 2); |
ef416fc2 | 632 | pos ++; |
633 | break; | |
634 | case 1 : | |
635 | if (outptr < outend) | |
7e86f2f6 | 636 | *outptr++ |= (char)((base64 >> 4) & 3); |
ef416fc2 | 637 | if (outptr < outend) |
7e86f2f6 | 638 | *outptr = (char)((base64 << 4) & 255); |
ef416fc2 | 639 | pos ++; |
640 | break; | |
641 | case 2 : | |
642 | if (outptr < outend) | |
7e86f2f6 | 643 | *outptr++ |= (char)((base64 >> 2) & 15); |
ef416fc2 | 644 | if (outptr < outend) |
7e86f2f6 | 645 | *outptr = (char)((base64 << 6) & 255); |
ef416fc2 | 646 | pos ++; |
647 | break; | |
648 | case 3 : | |
649 | if (outptr < outend) | |
7d5824d6 | 650 | *outptr++ |= (char)base64; |
ef416fc2 | 651 | pos = 0; |
652 | break; | |
653 | } | |
654 | } | |
655 | ||
656 | *outptr = '\0'; | |
657 | ||
658 | /* | |
659 | * Return the decoded string and size... | |
660 | */ | |
661 | ||
662 | *outlen = (int)(outptr - out); | |
663 | ||
664 | return (out); | |
665 | } | |
666 | ||
667 | ||
668 | /* | |
669 | * 'httpEncode64()' - Base64-encode a string. | |
ecdc0628 | 670 | * |
671 | * This function is deprecated. Use the httpEncode64_2() function instead | |
672 | * which provides buffer length arguments. | |
673 | * | |
674 | * @deprecated@ | |
ef416fc2 | 675 | */ |
676 | ||
677 | char * /* O - Encoded string */ | |
678 | httpEncode64(char *out, /* I - String to write to */ | |
679 | const char *in) /* I - String to read from */ | |
680 | { | |
b86bc4cf | 681 | return (httpEncode64_2(out, 512, in, (int)strlen(in))); |
ef416fc2 | 682 | } |
683 | ||
684 | ||
685 | /* | |
686 | * 'httpEncode64_2()' - Base64-encode a string. | |
687 | * | |
8072030b | 688 | * @since CUPS 1.1.21/macOS 10.4@ |
ef416fc2 | 689 | */ |
690 | ||
691 | char * /* O - Encoded string */ | |
692 | httpEncode64_2(char *out, /* I - String to write to */ | |
693 | int outlen, /* I - Size of output string */ | |
694 | const char *in, /* I - String to read from */ | |
695 | int inlen) /* I - Size of input string */ | |
696 | { | |
697 | char *outptr, /* Output pointer */ | |
698 | *outend; /* End of output buffer */ | |
699 | static const char base64[] = /* Base64 characters... */ | |
700 | { | |
701 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
702 | "abcdefghijklmnopqrstuvwxyz" | |
703 | "0123456789" | |
704 | "+/" | |
705 | }; | |
706 | ||
707 | ||
708 | /* | |
709 | * Range check input... | |
710 | */ | |
711 | ||
712 | if (!out || outlen < 1 || !in) | |
713 | return (NULL); | |
714 | ||
715 | /* | |
716 | * Convert bytes to base-64... | |
717 | */ | |
718 | ||
719 | for (outptr = out, outend = out + outlen - 1; inlen > 0; in ++, inlen --) | |
720 | { | |
721 | /* | |
722 | * Encode the up to 3 characters as 4 Base64 numbers... | |
723 | */ | |
724 | ||
725 | if (outptr < outend) | |
726 | *outptr ++ = base64[(in[0] & 255) >> 2]; | |
26d47ec6 | 727 | |
ef416fc2 | 728 | if (outptr < outend) |
26d47ec6 | 729 | { |
730 | if (inlen > 1) | |
731 | *outptr ++ = base64[(((in[0] & 255) << 4) | ((in[1] & 255) >> 4)) & 63]; | |
732 | else | |
733 | *outptr ++ = base64[((in[0] & 255) << 4) & 63]; | |
734 | } | |
ef416fc2 | 735 | |
736 | in ++; | |
737 | inlen --; | |
738 | if (inlen <= 0) | |
739 | { | |
740 | if (outptr < outend) | |
741 | *outptr ++ = '='; | |
742 | if (outptr < outend) | |
743 | *outptr ++ = '='; | |
744 | break; | |
745 | } | |
746 | ||
747 | if (outptr < outend) | |
26d47ec6 | 748 | { |
749 | if (inlen > 1) | |
750 | *outptr ++ = base64[(((in[0] & 255) << 2) | ((in[1] & 255) >> 6)) & 63]; | |
751 | else | |
752 | *outptr ++ = base64[((in[0] & 255) << 2) & 63]; | |
753 | } | |
ef416fc2 | 754 | |
755 | in ++; | |
756 | inlen --; | |
757 | if (inlen <= 0) | |
758 | { | |
759 | if (outptr < outend) | |
760 | *outptr ++ = '='; | |
761 | break; | |
762 | } | |
763 | ||
764 | if (outptr < outend) | |
765 | *outptr ++ = base64[in[0] & 63]; | |
766 | } | |
767 | ||
768 | *outptr = '\0'; | |
769 | ||
770 | /* | |
771 | * Return the encoded string... | |
772 | */ | |
773 | ||
774 | return (out); | |
775 | } | |
776 | ||
777 | ||
778 | /* | |
779 | * 'httpGetDateString()' - Get a formatted date/time string from a time value. | |
780 | * | |
781 | * @deprecated@ | |
782 | */ | |
783 | ||
784 | const char * /* O - Date/time string */ | |
785 | httpGetDateString(time_t t) /* I - UNIX time */ | |
786 | { | |
787 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
788 | ||
789 | ||
790 | return (httpGetDateString2(t, cg->http_date, sizeof(cg->http_date))); | |
791 | } | |
792 | ||
793 | ||
794 | /* | |
795 | * 'httpGetDateString2()' - Get a formatted date/time string from a time value. | |
796 | * | |
8072030b | 797 | * @since CUPS 1.2/macOS 10.5@ |
ef416fc2 | 798 | */ |
799 | ||
800 | const char * /* O - Date/time string */ | |
801 | httpGetDateString2(time_t t, /* I - UNIX time */ | |
802 | char *s, /* I - String buffer */ | |
803 | int slen) /* I - Size of string buffer */ | |
804 | { | |
805 | struct tm *tdate; /* UNIX date/time data */ | |
806 | ||
807 | ||
808 | tdate = gmtime(&t); | |
3e7fe0ca | 809 | if (tdate) |
07623986 | 810 | 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 |
811 | else |
812 | s[0] = '\0'; | |
ef416fc2 | 813 | |
814 | return (s); | |
815 | } | |
816 | ||
817 | ||
818 | /* | |
819 | * 'httpGetDateTime()' - Get a time value from a formatted date/time string. | |
820 | */ | |
821 | ||
822 | time_t /* O - UNIX time */ | |
823 | httpGetDateTime(const char *s) /* I - Date/time string */ | |
824 | { | |
825 | int i; /* Looping var */ | |
826 | char mon[16]; /* Abbreviated month name */ | |
827 | int day, year; /* Day of month and year */ | |
828 | int hour, min, sec; /* Time */ | |
829 | int days; /* Number of days since 1970 */ | |
830 | static const int normal_days[] = /* Days to a month, normal years */ | |
831 | { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }; | |
832 | static const int leap_days[] = /* Days to a month, leap years */ | |
833 | { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }; | |
834 | ||
835 | ||
e07d4801 | 836 | DEBUG_printf(("2httpGetDateTime(s=\"%s\")", s)); |
ef416fc2 | 837 | |
838 | /* | |
839 | * Extract the date and time from the formatted string... | |
840 | */ | |
841 | ||
842 | if (sscanf(s, "%*s%d%15s%d%d:%d:%d", &day, mon, &year, &hour, &min, &sec) < 6) | |
843 | return (0); | |
844 | ||
e07d4801 MS |
845 | DEBUG_printf(("4httpGetDateTime: day=%d, mon=\"%s\", year=%d, hour=%d, " |
846 | "min=%d, sec=%d", day, mon, year, hour, min, sec)); | |
ef416fc2 | 847 | |
848 | /* | |
849 | * Convert the month name to a number from 0 to 11. | |
850 | */ | |
851 | ||
852 | for (i = 0; i < 12; i ++) | |
88f9aafc | 853 | if (!_cups_strcasecmp(mon, http_months[i])) |
ef416fc2 | 854 | break; |
855 | ||
856 | if (i >= 12) | |
857 | return (0); | |
858 | ||
e07d4801 | 859 | DEBUG_printf(("4httpGetDateTime: i=%d", i)); |
ef416fc2 | 860 | |
861 | /* | |
862 | * Now convert the date and time to a UNIX time value in seconds since | |
863 | * 1970. We can't use mktime() since the timezone may not be UTC but | |
864 | * the date/time string *is* UTC. | |
865 | */ | |
866 | ||
867 | if ((year & 3) == 0 && ((year % 100) != 0 || (year % 400) == 0)) | |
868 | days = leap_days[i] + day - 1; | |
869 | else | |
870 | days = normal_days[i] + day - 1; | |
871 | ||
e07d4801 | 872 | DEBUG_printf(("4httpGetDateTime: days=%d", days)); |
ef416fc2 | 873 | |
874 | days += (year - 1970) * 365 + /* 365 days per year (normally) */ | |
875 | ((year - 1) / 4 - 492) - /* + leap days */ | |
876 | ((year - 1) / 100 - 19) + /* - 100 year days */ | |
877 | ((year - 1) / 400 - 4); /* + 400 year days */ | |
878 | ||
e07d4801 | 879 | DEBUG_printf(("4httpGetDateTime: days=%d\n", days)); |
ef416fc2 | 880 | |
881 | return (days * 86400 + hour * 3600 + min * 60 + sec); | |
882 | } | |
883 | ||
884 | ||
885 | /* | |
886 | * 'httpSeparate()' - Separate a Universal Resource Identifier into its | |
887 | * components. | |
ecdc0628 | 888 | * |
889 | * This function is deprecated; use the httpSeparateURI() function instead. | |
890 | * | |
891 | * @deprecated@ | |
ef416fc2 | 892 | */ |
893 | ||
894 | void | |
895 | httpSeparate(const char *uri, /* I - Universal Resource Identifier */ | |
896 | char *scheme, /* O - Scheme [32] (http, https, etc.) */ | |
897 | char *username, /* O - Username [1024] */ | |
898 | char *host, /* O - Hostname [1024] */ | |
899 | int *port, /* O - Port number to use */ | |
900 | char *resource) /* O - Resource/filename [1024] */ | |
901 | { | |
a4d04587 | 902 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, 32, username, |
903 | HTTP_MAX_URI, host, HTTP_MAX_URI, port, resource, | |
904 | HTTP_MAX_URI); | |
ef416fc2 | 905 | } |
906 | ||
907 | ||
908 | /* | |
909 | * 'httpSeparate2()' - Separate a Universal Resource Identifier into its | |
910 | * components. | |
911 | * | |
ecdc0628 | 912 | * This function is deprecated; use the httpSeparateURI() function instead. |
913 | * | |
8072030b | 914 | * @since CUPS 1.1.21/macOS 10.4@ |
ecdc0628 | 915 | * @deprecated@ |
ef416fc2 | 916 | */ |
917 | ||
918 | void | |
919 | httpSeparate2(const char *uri, /* I - Universal Resource Identifier */ | |
920 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
921 | int schemelen, /* I - Size of scheme buffer */ | |
922 | char *username, /* O - Username */ | |
923 | int usernamelen, /* I - Size of username buffer */ | |
924 | char *host, /* O - Hostname */ | |
925 | int hostlen, /* I - Size of hostname buffer */ | |
926 | int *port, /* O - Port number to use */ | |
927 | char *resource, /* O - Resource/filename */ | |
928 | int resourcelen) /* I - Size of resource buffer */ | |
929 | { | |
a4d04587 | 930 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, schemelen, username, |
931 | usernamelen, host, hostlen, port, resource, resourcelen); | |
ef416fc2 | 932 | } |
933 | ||
934 | ||
935 | /* | |
936 | * 'httpSeparateURI()' - Separate a Universal Resource Identifier into its | |
937 | * components. | |
938 | * | |
8072030b | 939 | * @since CUPS 1.2/macOS 10.5@ |
ef416fc2 | 940 | */ |
941 | ||
942 | http_uri_status_t /* O - Result of separation */ | |
a4d04587 | 943 | httpSeparateURI( |
944 | http_uri_coding_t decoding, /* I - Decoding flags */ | |
945 | const char *uri, /* I - Universal Resource Identifier */ | |
946 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
947 | int schemelen, /* I - Size of scheme buffer */ | |
948 | char *username, /* O - Username */ | |
949 | int usernamelen, /* I - Size of username buffer */ | |
950 | char *host, /* O - Hostname */ | |
951 | int hostlen, /* I - Size of hostname buffer */ | |
952 | int *port, /* O - Port number to use */ | |
953 | char *resource, /* O - Resource/filename */ | |
954 | int resourcelen) /* I - Size of resource buffer */ | |
ef416fc2 | 955 | { |
956 | char *ptr, /* Pointer into string... */ | |
957 | *end; /* End of string */ | |
958 | const char *sep; /* Separator character */ | |
959 | http_uri_status_t status; /* Result of separation */ | |
960 | ||
961 | ||
962 | /* | |
963 | * Initialize everything to blank... | |
964 | */ | |
965 | ||
966 | if (scheme && schemelen > 0) | |
967 | *scheme = '\0'; | |
968 | ||
969 | if (username && usernamelen > 0) | |
970 | *username = '\0'; | |
971 | ||
972 | if (host && hostlen > 0) | |
973 | *host = '\0'; | |
974 | ||
975 | if (port) | |
976 | *port = 0; | |
977 | ||
978 | if (resource && resourcelen > 0) | |
979 | *resource = '\0'; | |
980 | ||
981 | /* | |
982 | * Range check input... | |
983 | */ | |
984 | ||
985 | if (!uri || !port || !scheme || schemelen <= 0 || !username || | |
986 | usernamelen <= 0 || !host || hostlen <= 0 || !resource || | |
987 | resourcelen <= 0) | |
cb7f98ee | 988 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
ef416fc2 | 989 | |
990 | if (!*uri) | |
cb7f98ee | 991 | return (HTTP_URI_STATUS_BAD_URI); |
ef416fc2 | 992 | |
993 | /* | |
994 | * Grab the scheme portion of the URI... | |
995 | */ | |
996 | ||
cb7f98ee | 997 | status = HTTP_URI_STATUS_OK; |
ef416fc2 | 998 | |
999 | if (!strncmp(uri, "//", 2)) | |
1000 | { | |
1001 | /* | |
1002 | * Workaround for HP IPP client bug... | |
1003 | */ | |
1004 | ||
07623986 | 1005 | strlcpy(scheme, "ipp", (size_t)schemelen); |
cb7f98ee | 1006 | status = HTTP_URI_STATUS_MISSING_SCHEME; |
ef416fc2 | 1007 | } |
1008 | else if (*uri == '/') | |
1009 | { | |
1010 | /* | |
1011 | * Filename... | |
1012 | */ | |
1013 | ||
07623986 | 1014 | strlcpy(scheme, "file", (size_t)schemelen); |
cb7f98ee | 1015 | status = HTTP_URI_STATUS_MISSING_SCHEME; |
ef416fc2 | 1016 | } |
1017 | else | |
1018 | { | |
1019 | /* | |
1020 | * Standard URI with scheme... | |
1021 | */ | |
1022 | ||
1023 | for (ptr = scheme, end = scheme + schemelen - 1; | |
1024 | *uri && *uri != ':' && ptr < end;) | |
7cf5915e MS |
1025 | if (strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
1026 | "abcdefghijklmnopqrstuvwxyz" | |
1027 | "0123456789-+.", *uri) != NULL) | |
ef416fc2 | 1028 | *ptr++ = *uri++; |
1029 | else | |
1030 | break; | |
1031 | ||
1032 | *ptr = '\0'; | |
1033 | ||
1034 | if (*uri != ':') | |
1035 | { | |
1036 | *scheme = '\0'; | |
cb7f98ee | 1037 | return (HTTP_URI_STATUS_BAD_SCHEME); |
ef416fc2 | 1038 | } |
1039 | ||
1040 | uri ++; | |
1041 | } | |
1042 | ||
1043 | /* | |
1044 | * Set the default port number... | |
1045 | */ | |
1046 | ||
1047 | if (!strcmp(scheme, "http")) | |
1048 | *port = 80; | |
1049 | else if (!strcmp(scheme, "https")) | |
1050 | *port = 443; | |
7cf5915e | 1051 | else if (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) |
ef416fc2 | 1052 | *port = 631; |
88f9aafc | 1053 | else if (!_cups_strcasecmp(scheme, "lpd")) |
ef416fc2 | 1054 | *port = 515; |
1055 | else if (!strcmp(scheme, "socket")) /* Not yet registered with IANA... */ | |
1056 | *port = 9100; | |
f4047845 | 1057 | else if (strcmp(scheme, "file") && strcmp(scheme, "mailto") && strcmp(scheme, "tel")) |
cb7f98ee | 1058 | status = HTTP_URI_STATUS_UNKNOWN_SCHEME; |
ef416fc2 | 1059 | |
1060 | /* | |
1061 | * Now see if we have a hostname... | |
1062 | */ | |
1063 | ||
1064 | if (!strncmp(uri, "//", 2)) | |
1065 | { | |
1066 | /* | |
1067 | * Yes, extract it... | |
1068 | */ | |
1069 | ||
1070 | uri += 2; | |
1071 | ||
1072 | /* | |
1073 | * Grab the username, if any... | |
1074 | */ | |
1075 | ||
1076 | if ((sep = strpbrk(uri, "@/")) != NULL && *sep == '@') | |
1077 | { | |
1078 | /* | |
1079 | * Get a username:password combo... | |
1080 | */ | |
1081 | ||
a4d04587 | 1082 | uri = http_copy_decode(username, uri, usernamelen, "@", |
1083 | decoding & HTTP_URI_CODING_USERNAME); | |
ef416fc2 | 1084 | |
1085 | if (!uri) | |
1086 | { | |
1087 | *username = '\0'; | |
cb7f98ee | 1088 | return (HTTP_URI_STATUS_BAD_USERNAME); |
ef416fc2 | 1089 | } |
1090 | ||
1091 | uri ++; | |
1092 | } | |
1093 | ||
1094 | /* | |
1095 | * Then the hostname/IP address... | |
1096 | */ | |
1097 | ||
1098 | if (*uri == '[') | |
1099 | { | |
1100 | /* | |
1101 | * Grab IPv6 address... | |
1102 | */ | |
1103 | ||
1104 | uri ++; | |
86c809d9 MS |
1105 | if (*uri == 'v') |
1106 | { | |
1107 | /* | |
1108 | * Skip IPvFuture ("vXXXX.") prefix... | |
1109 | */ | |
1110 | ||
1111 | uri ++; | |
1112 | ||
1113 | while (isxdigit(*uri & 255)) | |
1114 | uri ++; | |
1115 | ||
1116 | if (*uri != '.') | |
1117 | { | |
1118 | *host = '\0'; | |
1119 | return (HTTP_URI_STATUS_BAD_HOSTNAME); | |
1120 | } | |
1121 | ||
1122 | uri ++; | |
1123 | } | |
ef416fc2 | 1124 | |
a4d04587 | 1125 | uri = http_copy_decode(host, uri, hostlen, "]", |
1126 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1127 | |
1128 | if (!uri) | |
1129 | { | |
1130 | *host = '\0'; | |
cb7f98ee | 1131 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1132 | } |
1133 | ||
1134 | /* | |
1135 | * Validate value... | |
1136 | */ | |
1137 | ||
1138 | if (*uri != ']') | |
1139 | { | |
1140 | *host = '\0'; | |
cb7f98ee | 1141 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1142 | } |
1143 | ||
1144 | uri ++; | |
1145 | ||
1146 | for (ptr = host; *ptr; ptr ++) | |
1147 | if (*ptr == '+') | |
1148 | { | |
1149 | /* | |
1150 | * Convert zone separator to % and stop here... | |
1151 | */ | |
1152 | ||
1153 | *ptr = '%'; | |
1154 | break; | |
1155 | } | |
86c809d9 MS |
1156 | else if (*ptr == '%') |
1157 | { | |
1158 | /* | |
1159 | * Stop at zone separator (RFC 6874) | |
1160 | */ | |
1161 | ||
1162 | break; | |
1163 | } | |
ef416fc2 | 1164 | else if (*ptr != ':' && *ptr != '.' && !isxdigit(*ptr & 255)) |
1165 | { | |
1166 | *host = '\0'; | |
cb7f98ee | 1167 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1168 | } |
1169 | } | |
1170 | else | |
1171 | { | |
1172 | /* | |
b423cd4c | 1173 | * Validate the hostname or IPv4 address first... |
1174 | */ | |
1175 | ||
1176 | for (ptr = (char *)uri; *ptr; ptr ++) | |
1177 | if (strchr(":?/", *ptr)) | |
1178 | break; | |
ff862e50 MS |
1179 | else if (!strchr("abcdefghijklmnopqrstuvwxyz" /* unreserved */ |
1180 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" /* unreserved */ | |
1181 | "0123456789" /* unreserved */ | |
1182 | "-._~" /* unreserved */ | |
1183 | "%" /* pct-encoded */ | |
1184 | "!$&'()*+,;=" /* sub-delims */ | |
1185 | "\\", *ptr)) /* SMB domain */ | |
b423cd4c | 1186 | { |
1187 | *host = '\0'; | |
cb7f98ee | 1188 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
b423cd4c | 1189 | } |
1190 | ||
1191 | /* | |
1192 | * Then copy the hostname or IPv4 address to the buffer... | |
ef416fc2 | 1193 | */ |
1194 | ||
a4d04587 | 1195 | uri = http_copy_decode(host, uri, hostlen, ":?/", |
1196 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1197 | |
1198 | if (!uri) | |
1199 | { | |
1200 | *host = '\0'; | |
cb7f98ee | 1201 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1202 | } |
ef416fc2 | 1203 | } |
1204 | ||
1205 | /* | |
1206 | * Validate hostname for file scheme - only empty and localhost are | |
1207 | * acceptable. | |
1208 | */ | |
1209 | ||
1210 | if (!strcmp(scheme, "file") && strcmp(host, "localhost") && host[0]) | |
1211 | { | |
1212 | *host = '\0'; | |
cb7f98ee | 1213 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1214 | } |
1215 | ||
1216 | /* | |
1217 | * See if we have a port number... | |
1218 | */ | |
1219 | ||
1220 | if (*uri == ':') | |
1221 | { | |
1222 | /* | |
1223 | * Yes, collect the port number... | |
1224 | */ | |
1225 | ||
dfd5680b MS |
1226 | if (!isdigit(uri[1] & 255)) |
1227 | { | |
1228 | *port = 0; | |
cb7f98ee | 1229 | return (HTTP_URI_STATUS_BAD_PORT); |
dfd5680b MS |
1230 | } |
1231 | ||
7e86f2f6 | 1232 | *port = (int)strtol(uri + 1, (char **)&uri, 10); |
ef416fc2 | 1233 | |
044af446 MS |
1234 | if (*port <= 0 || *port > 65535) |
1235 | { | |
1236 | *port = 0; | |
1237 | return (HTTP_URI_STATUS_BAD_PORT); | |
1238 | } | |
1239 | ||
d6ae789d | 1240 | if (*uri != '/' && *uri) |
ef416fc2 | 1241 | { |
1242 | *port = 0; | |
cb7f98ee | 1243 | return (HTTP_URI_STATUS_BAD_PORT); |
ef416fc2 | 1244 | } |
1245 | } | |
1246 | } | |
1247 | ||
1248 | /* | |
1249 | * The remaining portion is the resource string... | |
1250 | */ | |
1251 | ||
1252 | if (*uri == '?' || !*uri) | |
1253 | { | |
1254 | /* | |
1255 | * Hostname but no path... | |
1256 | */ | |
1257 | ||
cb7f98ee | 1258 | status = HTTP_URI_STATUS_MISSING_RESOURCE; |
ef416fc2 | 1259 | *resource = '/'; |
fa73b229 | 1260 | |
1261 | /* | |
a4d04587 | 1262 | * Copy any query string... |
fa73b229 | 1263 | */ |
1264 | ||
1265 | if (*uri == '?') | |
a4d04587 | 1266 | uri = http_copy_decode(resource + 1, uri, resourcelen - 1, NULL, |
1267 | decoding & HTTP_URI_CODING_QUERY); | |
fa73b229 | 1268 | else |
1269 | resource[1] = '\0'; | |
ef416fc2 | 1270 | } |
1271 | else | |
fa73b229 | 1272 | { |
a4d04587 | 1273 | uri = http_copy_decode(resource, uri, resourcelen, "?", |
1274 | decoding & HTTP_URI_CODING_RESOURCE); | |
fa73b229 | 1275 | |
1276 | if (uri && *uri == '?') | |
1277 | { | |
1278 | /* | |
a4d04587 | 1279 | * Concatenate any query string... |
fa73b229 | 1280 | */ |
1281 | ||
a4d04587 | 1282 | char *resptr = resource + strlen(resource); |
1283 | ||
ff862e50 MS |
1284 | uri = http_copy_decode(resptr, uri, |
1285 | resourcelen - (int)(resptr - resource), NULL, | |
1286 | decoding & HTTP_URI_CODING_QUERY); | |
fa73b229 | 1287 | } |
1288 | } | |
ef416fc2 | 1289 | |
1290 | if (!uri) | |
1291 | { | |
1292 | *resource = '\0'; | |
cb7f98ee | 1293 | return (HTTP_URI_STATUS_BAD_RESOURCE); |
ef416fc2 | 1294 | } |
1295 | ||
1296 | /* | |
1297 | * Return the URI separation status... | |
1298 | */ | |
1299 | ||
1300 | return (status); | |
1301 | } | |
1302 | ||
1303 | ||
5ec1fd3d MS |
1304 | /* |
1305 | * 'httpStateString()' - Return the string describing a HTTP state value. | |
1306 | * | |
e1f19878 | 1307 | * @since CUPS 2.0/OS 10.10@ |
5ec1fd3d MS |
1308 | */ |
1309 | ||
1310 | const char * /* O - State string */ | |
1311 | httpStateString(http_state_t state) /* I - HTTP state value */ | |
1312 | { | |
1313 | if (state < HTTP_STATE_ERROR || state > HTTP_STATE_UNKNOWN_VERSION) | |
1314 | return ("HTTP_STATE_???"); | |
1315 | else | |
1316 | return (http_states[state - HTTP_STATE_ERROR]); | |
1317 | } | |
1318 | ||
1319 | ||
ef416fc2 | 1320 | /* |
41e6c1f1 | 1321 | * '_httpStatus()' - Return the localized string describing a HTTP status code. |
9f5eb9be | 1322 | * |
41e6c1f1 | 1323 | * The returned string is localized using the passed message catalog. |
ef416fc2 | 1324 | */ |
1325 | ||
9f5eb9be | 1326 | const char * /* O - Localized status string */ |
41e6c1f1 MS |
1327 | _httpStatus(cups_lang_t *lang, /* I - Language */ |
1328 | http_status_t status) /* I - HTTP status code */ | |
ef416fc2 | 1329 | { |
9f5eb9be | 1330 | const char *s; /* Status string */ |
9f5eb9be | 1331 | |
9f5eb9be | 1332 | |
ef416fc2 | 1333 | switch (status) |
1334 | { | |
b63a0d90 MS |
1335 | case HTTP_STATUS_ERROR : |
1336 | s = strerror(errno); | |
1337 | break; | |
cb7f98ee | 1338 | case HTTP_STATUS_CONTINUE : |
9f5eb9be MS |
1339 | s = _("Continue"); |
1340 | break; | |
cb7f98ee | 1341 | case HTTP_STATUS_SWITCHING_PROTOCOLS : |
9f5eb9be MS |
1342 | s = _("Switching Protocols"); |
1343 | break; | |
cb7f98ee | 1344 | case HTTP_STATUS_OK : |
9f5eb9be MS |
1345 | s = _("OK"); |
1346 | break; | |
cb7f98ee | 1347 | case HTTP_STATUS_CREATED : |
9f5eb9be MS |
1348 | s = _("Created"); |
1349 | break; | |
cb7f98ee | 1350 | case HTTP_STATUS_ACCEPTED : |
9f5eb9be MS |
1351 | s = _("Accepted"); |
1352 | break; | |
cb7f98ee | 1353 | case HTTP_STATUS_NO_CONTENT : |
9f5eb9be MS |
1354 | s = _("No Content"); |
1355 | break; | |
cb7f98ee | 1356 | case HTTP_STATUS_MOVED_PERMANENTLY : |
9f5eb9be MS |
1357 | s = _("Moved Permanently"); |
1358 | break; | |
cb7f98ee | 1359 | case HTTP_STATUS_SEE_OTHER : |
9f5eb9be MS |
1360 | s = _("See Other"); |
1361 | break; | |
cb7f98ee | 1362 | case HTTP_STATUS_NOT_MODIFIED : |
9f5eb9be MS |
1363 | s = _("Not Modified"); |
1364 | break; | |
cb7f98ee | 1365 | case HTTP_STATUS_BAD_REQUEST : |
9f5eb9be MS |
1366 | s = _("Bad Request"); |
1367 | break; | |
cb7f98ee MS |
1368 | case HTTP_STATUS_UNAUTHORIZED : |
1369 | case HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED : | |
9f5eb9be MS |
1370 | s = _("Unauthorized"); |
1371 | break; | |
cb7f98ee | 1372 | case HTTP_STATUS_FORBIDDEN : |
9f5eb9be MS |
1373 | s = _("Forbidden"); |
1374 | break; | |
cb7f98ee | 1375 | case HTTP_STATUS_NOT_FOUND : |
9f5eb9be MS |
1376 | s = _("Not Found"); |
1377 | break; | |
cb7f98ee | 1378 | case HTTP_STATUS_REQUEST_TOO_LARGE : |
9f5eb9be MS |
1379 | s = _("Request Entity Too Large"); |
1380 | break; | |
cb7f98ee | 1381 | case HTTP_STATUS_URI_TOO_LONG : |
9f5eb9be MS |
1382 | s = _("URI Too Long"); |
1383 | break; | |
cb7f98ee | 1384 | case HTTP_STATUS_UPGRADE_REQUIRED : |
9f5eb9be MS |
1385 | s = _("Upgrade Required"); |
1386 | break; | |
cb7f98ee | 1387 | case HTTP_STATUS_NOT_IMPLEMENTED : |
9f5eb9be MS |
1388 | s = _("Not Implemented"); |
1389 | break; | |
cb7f98ee | 1390 | case HTTP_STATUS_NOT_SUPPORTED : |
9f5eb9be MS |
1391 | s = _("Not Supported"); |
1392 | break; | |
cb7f98ee | 1393 | case HTTP_STATUS_EXPECTATION_FAILED : |
9f5eb9be MS |
1394 | s = _("Expectation Failed"); |
1395 | break; | |
cb7f98ee | 1396 | case HTTP_STATUS_SERVICE_UNAVAILABLE : |
9f5eb9be MS |
1397 | s = _("Service Unavailable"); |
1398 | break; | |
cb7f98ee | 1399 | case HTTP_STATUS_SERVER_ERROR : |
94da7e34 MS |
1400 | s = _("Internal Server Error"); |
1401 | break; | |
cb7f98ee | 1402 | case HTTP_STATUS_CUPS_PKI_ERROR : |
7cf5915e MS |
1403 | s = _("SSL/TLS Negotiation Error"); |
1404 | break; | |
cb7f98ee | 1405 | case HTTP_STATUS_CUPS_WEBIF_DISABLED : |
229681c1 MS |
1406 | s = _("Web Interface is Disabled"); |
1407 | break; | |
b423cd4c | 1408 | |
ef416fc2 | 1409 | default : |
9f5eb9be MS |
1410 | s = _("Unknown"); |
1411 | break; | |
ef416fc2 | 1412 | } |
9f5eb9be | 1413 | |
41e6c1f1 MS |
1414 | return (_cupsLangString(lang, s)); |
1415 | } | |
1416 | ||
1417 | ||
1418 | /* | |
1419 | * 'httpStatus()' - Return a short string describing a HTTP status code. | |
1420 | * | |
1421 | * The returned string is localized to the current POSIX locale and is based | |
1422 | * on the status strings defined in RFC 2616. | |
1423 | */ | |
1424 | ||
1425 | const char * /* O - Localized status string */ | |
1426 | httpStatus(http_status_t status) /* I - HTTP status code */ | |
1427 | { | |
1428 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
1429 | ||
1430 | ||
1431 | if (!cg->lang_default) | |
1432 | cg->lang_default = cupsLangDefault(); | |
1433 | ||
1434 | return (_httpStatus(cg->lang_default, status)); | |
ef416fc2 | 1435 | } |
1436 | ||
7e86f2f6 MS |
1437 | /* |
1438 | * 'httpURIStatusString()' - Return a string describing a URI status code. | |
1439 | * | |
e1f19878 | 1440 | * @since CUPS 2.0/OS 10.10@ |
7e86f2f6 MS |
1441 | */ |
1442 | ||
1443 | const char * /* O - Localized status string */ | |
1444 | httpURIStatusString( | |
1445 | http_uri_status_t status) /* I - URI status code */ | |
1446 | { | |
1447 | const char *s; /* Status string */ | |
1448 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
1449 | ||
1450 | ||
1451 | if (!cg->lang_default) | |
1452 | cg->lang_default = cupsLangDefault(); | |
1453 | ||
1454 | switch (status) | |
1455 | { | |
1456 | case HTTP_URI_STATUS_OVERFLOW : | |
1457 | s = _("URI too large"); | |
1458 | break; | |
1459 | case HTTP_URI_STATUS_BAD_ARGUMENTS : | |
1460 | s = _("Bad arguments to function"); | |
1461 | break; | |
1462 | case HTTP_URI_STATUS_BAD_RESOURCE : | |
1463 | s = _("Bad resource in URI"); | |
1464 | break; | |
1465 | case HTTP_URI_STATUS_BAD_PORT : | |
1466 | s = _("Bad port number in URI"); | |
1467 | break; | |
1468 | case HTTP_URI_STATUS_BAD_HOSTNAME : | |
1469 | s = _("Bad hostname/address in URI"); | |
1470 | break; | |
1471 | case HTTP_URI_STATUS_BAD_USERNAME : | |
1472 | s = _("Bad username in URI"); | |
1473 | break; | |
1474 | case HTTP_URI_STATUS_BAD_SCHEME : | |
1475 | s = _("Bad scheme in URI"); | |
1476 | break; | |
1477 | case HTTP_URI_STATUS_BAD_URI : | |
1478 | s = _("Bad/empty URI"); | |
1479 | break; | |
1480 | case HTTP_URI_STATUS_OK : | |
1481 | s = _("OK"); | |
1482 | break; | |
1483 | case HTTP_URI_STATUS_MISSING_SCHEME : | |
1484 | s = _("Missing scheme in URI"); | |
1485 | break; | |
1486 | case HTTP_URI_STATUS_UNKNOWN_SCHEME : | |
1487 | s = _("Unknown scheme in URI"); | |
1488 | break; | |
1489 | case HTTP_URI_STATUS_MISSING_RESOURCE : | |
1490 | s = _("Missing resource in URI"); | |
1491 | break; | |
1492 | ||
1493 | default: | |
1494 | s = _("Unknown"); | |
1495 | break; | |
1496 | } | |
1497 | ||
1498 | return (_cupsLangString(cg->lang_default, s)); | |
1499 | } | |
1500 | ||
ef416fc2 | 1501 | |
1502 | #ifndef HAVE_HSTRERROR | |
1503 | /* | |
eac3a0a0 | 1504 | * '_cups_hstrerror()' - hstrerror() emulation function for Solaris and others. |
ef416fc2 | 1505 | */ |
1506 | ||
1507 | const char * /* O - Error string */ | |
1508 | _cups_hstrerror(int error) /* I - Error number */ | |
1509 | { | |
1510 | static const char * const errors[] = /* Error strings */ | |
1511 | { | |
1512 | "OK", | |
1513 | "Host not found.", | |
1514 | "Try again.", | |
1515 | "Unrecoverable lookup error.", | |
1516 | "No data associated with name." | |
1517 | }; | |
1518 | ||
1519 | ||
1520 | if (error < 0 || error > 4) | |
1521 | return ("Unknown hostname lookup error."); | |
1522 | else | |
1523 | return (errors[error]); | |
1524 | } | |
1525 | #endif /* !HAVE_HSTRERROR */ | |
1526 | ||
1527 | ||
1106b00e MS |
1528 | /* |
1529 | * '_httpDecodeURI()' - Percent-decode a HTTP request URI. | |
1530 | */ | |
1531 | ||
1532 | char * /* O - Decoded URI or NULL on error */ | |
1533 | _httpDecodeURI(char *dst, /* I - Destination buffer */ | |
1534 | const char *src, /* I - Source URI */ | |
1535 | size_t dstsize) /* I - Size of destination buffer */ | |
1536 | { | |
1537 | if (http_copy_decode(dst, src, (int)dstsize, NULL, 1)) | |
1538 | return (dst); | |
1539 | else | |
1540 | return (NULL); | |
1541 | } | |
1542 | ||
1543 | ||
839a51c8 MS |
1544 | /* |
1545 | * '_httpEncodeURI()' - Percent-encode a HTTP request URI. | |
1546 | */ | |
1547 | ||
1548 | char * /* O - Encoded URI */ | |
1549 | _httpEncodeURI(char *dst, /* I - Destination buffer */ | |
1550 | const char *src, /* I - Source URI */ | |
1551 | size_t dstsize) /* I - Size of destination buffer */ | |
1552 | { | |
1553 | http_copy_encode(dst, src, dst + dstsize - 1, NULL, NULL, 1); | |
1554 | return (dst); | |
1555 | } | |
1556 | ||
1557 | ||
5eb9da71 MS |
1558 | /* |
1559 | * '_httpResolveURI()' - Resolve a DNS-SD URI. | |
1560 | */ | |
1561 | ||
1562 | const char * /* O - Resolved URI */ | |
1563 | _httpResolveURI( | |
1564 | const char *uri, /* I - DNS-SD URI */ | |
1565 | char *resolved_uri, /* I - Buffer for resolved URI */ | |
1f0275e3 | 1566 | size_t resolved_size, /* I - Size of URI buffer */ |
eac3a0a0 | 1567 | int options, /* I - Resolve options */ |
07ed0e9a MS |
1568 | int (*cb)(void *context), /* I - Continue callback function */ |
1569 | void *context) /* I - Context pointer for callback */ | |
5eb9da71 MS |
1570 | { |
1571 | char scheme[32], /* URI components... */ | |
1572 | userpass[256], | |
1573 | hostname[1024], | |
1574 | resource[1024]; | |
1575 | int port; | |
b19ccc9e | 1576 | #ifdef DEBUG |
1f0275e3 | 1577 | http_uri_status_t status; /* URI decode status */ |
b19ccc9e | 1578 | #endif /* DEBUG */ |
5eb9da71 MS |
1579 | |
1580 | ||
807315e6 | 1581 | DEBUG_printf(("_httpResolveURI(uri=\"%s\", resolved_uri=%p, resolved_size=" CUPS_LLFMT ", options=0x%x, cb=%p, context=%p)", uri, (void *)resolved_uri, CUPS_LLCAST resolved_size, options, (void *)cb, context)); |
1f0275e3 | 1582 | |
5eb9da71 MS |
1583 | /* |
1584 | * Get the device URI... | |
1585 | */ | |
1586 | ||
b19ccc9e | 1587 | #ifdef DEBUG |
1f0275e3 MS |
1588 | if ((status = httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, |
1589 | sizeof(scheme), userpass, sizeof(userpass), | |
1590 | hostname, sizeof(hostname), &port, resource, | |
cb7f98ee | 1591 | sizeof(resource))) < HTTP_URI_STATUS_OK) |
b19ccc9e MS |
1592 | #else |
1593 | if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, | |
1594 | sizeof(scheme), userpass, sizeof(userpass), | |
1595 | hostname, sizeof(hostname), &port, resource, | |
cb7f98ee | 1596 | sizeof(resource)) < HTTP_URI_STATUS_OK) |
b19ccc9e | 1597 | #endif /* DEBUG */ |
1f0275e3 | 1598 | { |
eac3a0a0 | 1599 | if (options & _HTTP_RESOLVE_STDERR) |
84315f46 | 1600 | _cupsLangPrintFilter(stderr, "ERROR", _("Bad device-uri \"%s\"."), uri); |
1f0275e3 | 1601 | |
4db7fcee MS |
1602 | DEBUG_printf(("2_httpResolveURI: httpSeparateURI returned %d!", status)); |
1603 | DEBUG_puts("2_httpResolveURI: Returning NULL"); | |
5eb9da71 | 1604 | return (NULL); |
1f0275e3 | 1605 | } |
5eb9da71 MS |
1606 | |
1607 | /* | |
1608 | * Resolve it as needed... | |
1609 | */ | |
1610 | ||
1611 | if (strstr(hostname, "._tcp")) | |
1612 | { | |
f3c17241 | 1613 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
5eb9da71 | 1614 | char *regtype, /* Pointer to type in hostname */ |
2c3f5865 MS |
1615 | *domain, /* Pointer to domain in hostname */ |
1616 | *uuid, /* Pointer to UUID in URI */ | |
1617 | *uuidend; /* Pointer to end of UUID in URI */ | |
5eb9da71 | 1618 | _http_uribuf_t uribuf; /* URI buffer */ |
f3c17241 MS |
1619 | int offline = 0; /* offline-report state set? */ |
1620 | # ifdef HAVE_DNSSD | |
1621 | # ifdef WIN32 | |
1622 | # pragma comment(lib, "dnssd.lib") | |
1623 | # endif /* WIN32 */ | |
1624 | DNSServiceRef ref, /* DNS-SD master service reference */ | |
7e86f2f6 | 1625 | domainref = NULL,/* DNS-SD service reference for domain */ |
3c218cf5 MS |
1626 | ippref = NULL, /* DNS-SD service reference for network IPP */ |
1627 | ippsref = NULL, /* DNS-SD service reference for network IPPS */ | |
f3c17241 | 1628 | localref; /* DNS-SD service reference for .local */ |
3c218cf5 | 1629 | int extrasent = 0; /* Send the domain/IPP/IPPS resolves? */ |
f3c17241 | 1630 | # ifdef HAVE_POLL |
38e73f87 | 1631 | struct pollfd polldata; /* Polling data */ |
f3c17241 | 1632 | # else /* select() */ |
6d2f911b MS |
1633 | fd_set input_set; /* Input set for select() */ |
1634 | struct timeval stimeout; /* Timeout value for select() */ | |
f3c17241 MS |
1635 | # endif /* HAVE_POLL */ |
1636 | # elif defined(HAVE_AVAHI) | |
1637 | AvahiClient *client; /* Client information */ | |
1638 | int error; /* Status */ | |
1639 | # endif /* HAVE_DNSSD */ | |
38e73f87 | 1640 | |
eac3a0a0 | 1641 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 | 1642 | fprintf(stderr, "DEBUG: Resolving \"%s\"...\n", hostname); |
5eb9da71 MS |
1643 | |
1644 | /* | |
1645 | * Separate the hostname into service name, registration type, and domain... | |
1646 | */ | |
1647 | ||
1f0275e3 MS |
1648 | for (regtype = strstr(hostname, "._tcp") - 2; |
1649 | regtype > hostname; | |
1650 | regtype --) | |
1651 | if (regtype[0] == '.' && regtype[1] == '_') | |
1652 | { | |
1653 | /* | |
1654 | * Found ._servicetype in front of ._tcp... | |
1655 | */ | |
1656 | ||
1657 | *regtype++ = '\0'; | |
1658 | break; | |
1659 | } | |
1660 | ||
1661 | if (regtype <= hostname) | |
1662 | { | |
4db7fcee | 1663 | DEBUG_puts("2_httpResolveURI: Bad hostname, returning NULL"); |
1f0275e3 MS |
1664 | return (NULL); |
1665 | } | |
5eb9da71 | 1666 | |
5eb9da71 MS |
1667 | for (domain = strchr(regtype, '.'); |
1668 | domain; | |
1669 | domain = strchr(domain + 1, '.')) | |
1670 | if (domain[1] != '_') | |
1671 | break; | |
1672 | ||
1673 | if (domain) | |
1674 | *domain++ = '\0'; | |
1675 | ||
2c3f5865 MS |
1676 | if ((uuid = strstr(resource, "?uuid=")) != NULL) |
1677 | { | |
1678 | *uuid = '\0'; | |
1679 | uuid += 6; | |
1680 | if ((uuidend = strchr(uuid, '&')) != NULL) | |
1681 | *uuidend = '\0'; | |
1682 | } | |
1683 | ||
1684 | resolved_uri[0] = '\0'; | |
1685 | ||
eac3a0a0 MS |
1686 | uribuf.buffer = resolved_uri; |
1687 | uribuf.bufsize = resolved_size; | |
1688 | uribuf.options = options; | |
5a9febac | 1689 | uribuf.resource = resource; |
2c3f5865 | 1690 | uribuf.uuid = uuid; |
5eb9da71 | 1691 | |
4db7fcee | 1692 | DEBUG_printf(("2_httpResolveURI: Resolving hostname=\"%s\", regtype=\"%s\", " |
1f0275e3 | 1693 | "domain=\"%s\"\n", hostname, regtype, domain)); |
eac3a0a0 | 1694 | if (options & _HTTP_RESOLVE_STDERR) |
1f0275e3 MS |
1695 | { |
1696 | fputs("STATE: +connecting-to-device\n", stderr); | |
38e73f87 MS |
1697 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"%s\", " |
1698 | "domain=\"local.\"...\n", hostname, regtype); | |
1f0275e3 MS |
1699 | } |
1700 | ||
38e73f87 MS |
1701 | uri = NULL; |
1702 | ||
f3c17241 | 1703 | # ifdef HAVE_DNSSD |
38e73f87 | 1704 | if (DNSServiceCreateConnection(&ref) == kDNSServiceErr_NoError) |
5eb9da71 | 1705 | { |
7e86f2f6 | 1706 | uint32_t myinterface = kDNSServiceInterfaceIndexAny; |
a469f8a5 MS |
1707 | /* Lookup on any interface */ |
1708 | ||
1709 | if (!strcmp(scheme, "ippusb")) | |
db8b865d | 1710 | myinterface = kDNSServiceInterfaceIndexLocalOnly; |
a469f8a5 | 1711 | |
38e73f87 | 1712 | localref = ref; |
3e7fe0ca | 1713 | if (DNSServiceResolve(&localref, |
db8b865d | 1714 | kDNSServiceFlagsShareConnection, myinterface, |
a469f8a5 | 1715 | hostname, regtype, "local.", http_resolve_cb, |
38e73f87 MS |
1716 | &uribuf) == kDNSServiceErr_NoError) |
1717 | { | |
acb056cb MS |
1718 | int fds; /* Number of ready descriptors */ |
1719 | time_t timeout, /* Poll timeout */ | |
3e7fe0ca MS |
1720 | start_time = time(NULL),/* Start time */ |
1721 | end_time = start_time + 90; | |
1722 | /* End time */ | |
acb056cb | 1723 | |
3e7fe0ca | 1724 | while (time(NULL) < end_time) |
38e73f87 | 1725 | { |
eac3a0a0 | 1726 | if (options & _HTTP_RESOLVE_STDERR) |
d84348da | 1727 | _cupsLangPrintFilter(stderr, "INFO", _("Looking for printer.")); |
acb056cb | 1728 | |
07ed0e9a MS |
1729 | if (cb && !(*cb)(context)) |
1730 | { | |
4db7fcee | 1731 | DEBUG_puts("2_httpResolveURI: callback returned 0 (stop)"); |
07ed0e9a MS |
1732 | break; |
1733 | } | |
1734 | ||
38e73f87 | 1735 | /* |
3e7fe0ca | 1736 | * Wakeup every 2 seconds to emit a "looking for printer" message... |
38e73f87 MS |
1737 | */ |
1738 | ||
3e7fe0ca MS |
1739 | if ((timeout = end_time - time(NULL)) > 2) |
1740 | timeout = 2; | |
acb056cb | 1741 | |
f3c17241 | 1742 | # ifdef HAVE_POLL |
38e73f87 MS |
1743 | polldata.fd = DNSServiceRefSockFD(ref); |
1744 | polldata.events = POLLIN; | |
1745 | ||
7e86f2f6 | 1746 | fds = poll(&polldata, 1, (int)(1000 * timeout)); |
acb056cb | 1747 | |
f3c17241 | 1748 | # else /* select() */ |
6d2f911b MS |
1749 | FD_ZERO(&input_set); |
1750 | FD_SET(DNSServiceRefSockFD(ref), &input_set); | |
1751 | ||
f3c17241 | 1752 | # ifdef WIN32 |
82cc1f9a | 1753 | stimeout.tv_sec = (long)timeout; |
f3c17241 | 1754 | # else |
3e7fe0ca | 1755 | stimeout.tv_sec = timeout; |
f3c17241 | 1756 | # endif /* WIN32 */ |
3e7fe0ca | 1757 | stimeout.tv_usec = 0; |
6d2f911b | 1758 | |
88f9aafc | 1759 | fds = select(DNSServiceRefSockFD(ref)+1, &input_set, NULL, NULL, |
3e7fe0ca | 1760 | &stimeout); |
f3c17241 | 1761 | # endif /* HAVE_POLL */ |
6d2f911b | 1762 | |
acb056cb MS |
1763 | if (fds < 0) |
1764 | { | |
1765 | if (errno != EINTR && errno != EAGAIN) | |
1766 | { | |
4db7fcee | 1767 | DEBUG_printf(("2_httpResolveURI: poll error: %s", strerror(errno))); |
acb056cb MS |
1768 | break; |
1769 | } | |
1770 | } | |
1771 | else if (fds == 0) | |
38e73f87 MS |
1772 | { |
1773 | /* | |
acb056cb MS |
1774 | * Wait 2 seconds for a response to the local resolve; if nothing |
1775 | * comes in, do an additional domain resolution... | |
38e73f87 MS |
1776 | */ |
1777 | ||
3c218cf5 | 1778 | if (extrasent == 0 && domain && _cups_strcasecmp(domain, "local.")) |
acb056cb | 1779 | { |
eac3a0a0 | 1780 | if (options & _HTTP_RESOLVE_STDERR) |
acb056cb MS |
1781 | fprintf(stderr, |
1782 | "DEBUG: Resolving \"%s\", regtype=\"%s\", " | |
eac3a0a0 MS |
1783 | "domain=\"%s\"...\n", hostname, regtype, |
1784 | domain ? domain : ""); | |
88f9aafc | 1785 | |
acb056cb | 1786 | domainref = ref; |
3e7fe0ca | 1787 | if (DNSServiceResolve(&domainref, |
82cc1f9a | 1788 | kDNSServiceFlagsShareConnection, |
db8b865d | 1789 | myinterface, hostname, regtype, domain, |
3e7fe0ca MS |
1790 | http_resolve_cb, |
1791 | &uribuf) == kDNSServiceErr_NoError) | |
3c218cf5 MS |
1792 | extrasent = 1; |
1793 | } | |
1794 | else if (extrasent == 0 && !strcmp(scheme, "ippusb")) | |
1795 | { | |
1796 | if (options & _HTTP_RESOLVE_STDERR) | |
1797 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"_ipps._tcp\", domain=\"local.\"...\n", hostname); | |
1798 | ||
1799 | ippsref = ref; | |
1800 | if (DNSServiceResolve(&ippsref, | |
1801 | kDNSServiceFlagsShareConnection, | |
e13ce0be MS |
1802 | kDNSServiceInterfaceIndexAny, hostname, |
1803 | "_ipps._tcp", domain, http_resolve_cb, | |
3c218cf5 MS |
1804 | &uribuf) == kDNSServiceErr_NoError) |
1805 | extrasent = 1; | |
1806 | } | |
1807 | else if (extrasent == 1 && !strcmp(scheme, "ippusb")) | |
1808 | { | |
1809 | if (options & _HTTP_RESOLVE_STDERR) | |
1810 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"_ipp._tcp\", domain=\"local.\"...\n", hostname); | |
1811 | ||
1812 | ippref = ref; | |
1813 | if (DNSServiceResolve(&ippref, | |
1814 | kDNSServiceFlagsShareConnection, | |
e13ce0be MS |
1815 | kDNSServiceInterfaceIndexAny, hostname, |
1816 | "_ipp._tcp", domain, http_resolve_cb, | |
3c218cf5 MS |
1817 | &uribuf) == kDNSServiceErr_NoError) |
1818 | extrasent = 2; | |
acb056cb | 1819 | } |
6c48a6ca MS |
1820 | |
1821 | /* | |
1822 | * If it hasn't resolved within 5 seconds set the offline-report | |
1823 | * printer-state-reason... | |
1824 | */ | |
1825 | ||
eac3a0a0 MS |
1826 | if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 && |
1827 | time(NULL) > (start_time + 5)) | |
6c48a6ca MS |
1828 | { |
1829 | fputs("STATE: +offline-report\n", stderr); | |
1830 | offline = 1; | |
1831 | } | |
38e73f87 | 1832 | } |
acb056cb MS |
1833 | else |
1834 | { | |
2c3f5865 MS |
1835 | if (DNSServiceProcessResult(ref) == kDNSServiceErr_NoError && |
1836 | resolved_uri[0]) | |
acb056cb MS |
1837 | { |
1838 | uri = resolved_uri; | |
1839 | break; | |
1840 | } | |
1841 | } | |
1842 | } | |
38e73f87 | 1843 | |
3c218cf5 MS |
1844 | if (extrasent) |
1845 | { | |
1846 | if (domainref) | |
1847 | DNSServiceRefDeallocate(domainref); | |
1848 | if (ippref) | |
1849 | DNSServiceRefDeallocate(ippref); | |
1850 | if (ippsref) | |
1851 | DNSServiceRefDeallocate(ippsref); | |
1852 | } | |
38e73f87 MS |
1853 | |
1854 | DNSServiceRefDeallocate(localref); | |
1855 | } | |
5eb9da71 MS |
1856 | |
1857 | DNSServiceRefDeallocate(ref); | |
1858 | } | |
f3c17241 MS |
1859 | # else /* HAVE_AVAHI */ |
1860 | if ((uribuf.poll = avahi_simple_poll_new()) != NULL) | |
1861 | { | |
1862 | avahi_simple_poll_set_func(uribuf.poll, http_poll_cb, NULL); | |
1863 | ||
1864 | if ((client = avahi_client_new(avahi_simple_poll_get(uribuf.poll), | |
1865 | 0, http_client_cb, | |
1866 | &uribuf, &error)) != NULL) | |
1867 | { | |
1868 | if (avahi_service_resolver_new(client, AVAHI_IF_UNSPEC, | |
1869 | AVAHI_PROTO_UNSPEC, hostname, | |
1870 | regtype, "local.", AVAHI_PROTO_UNSPEC, 0, | |
1871 | http_resolve_cb, &uribuf) != NULL) | |
1872 | { | |
1873 | time_t start_time = time(NULL), | |
1874 | /* Start time */ | |
1875 | end_time = start_time + 90; | |
1876 | /* End time */ | |
1877 | int pstatus; /* Poll status */ | |
1878 | ||
1879 | pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000); | |
1880 | ||
1881 | if (pstatus == 0 && !resolved_uri[0] && domain && | |
1882 | _cups_strcasecmp(domain, "local.")) | |
1883 | { | |
1884 | /* | |
1885 | * Resolve for .local hasn't returned anything, try the listed | |
1886 | * domain... | |
1887 | */ | |
1888 | ||
1889 | avahi_service_resolver_new(client, AVAHI_IF_UNSPEC, | |
1890 | AVAHI_PROTO_UNSPEC, hostname, | |
1891 | regtype, domain, AVAHI_PROTO_UNSPEC, 0, | |
1892 | http_resolve_cb, &uribuf); | |
1893 | } | |
1894 | ||
1895 | while (!pstatus && !resolved_uri[0] && time(NULL) < end_time) | |
1896 | { | |
1897 | if ((pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000)) != 0) | |
1898 | break; | |
1899 | ||
1900 | /* | |
1901 | * If it hasn't resolved within 5 seconds set the offline-report | |
1902 | * printer-state-reason... | |
1903 | */ | |
1904 | ||
1905 | if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 && | |
1906 | time(NULL) > (start_time + 5)) | |
1907 | { | |
1908 | fputs("STATE: +offline-report\n", stderr); | |
1909 | offline = 1; | |
1910 | } | |
1911 | } | |
1912 | ||
1913 | /* | |
1914 | * Collect the result (if we got one). | |
1915 | */ | |
1916 | ||
1917 | if (resolved_uri[0]) | |
1918 | uri = resolved_uri; | |
1919 | } | |
1920 | ||
1921 | avahi_client_free(client); | |
1922 | } | |
1923 | ||
1924 | avahi_simple_poll_free(uribuf.poll); | |
1925 | } | |
1926 | # endif /* HAVE_DNSSD */ | |
1f0275e3 | 1927 | |
eac3a0a0 | 1928 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 MS |
1929 | { |
1930 | if (uri) | |
3e7fe0ca | 1931 | { |
38e73f87 | 1932 | fprintf(stderr, "DEBUG: Resolved as \"%s\"...\n", uri); |
3e7fe0ca MS |
1933 | fputs("STATE: -connecting-to-device,offline-report\n", stderr); |
1934 | } | |
f11a948a | 1935 | else |
3e7fe0ca | 1936 | { |
4d301e69 | 1937 | fputs("DEBUG: Unable to resolve URI\n", stderr); |
3e7fe0ca MS |
1938 | fputs("STATE: -connecting-to-device\n", stderr); |
1939 | } | |
38e73f87 | 1940 | } |
1f0275e3 | 1941 | |
f3c17241 | 1942 | #else /* HAVE_DNSSD || HAVE_AVAHI */ |
1f0275e3 MS |
1943 | /* |
1944 | * No DNS-SD support... | |
1945 | */ | |
5eb9da71 MS |
1946 | |
1947 | uri = NULL; | |
f3c17241 | 1948 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
1f0275e3 | 1949 | |
eac3a0a0 | 1950 | if ((options & _HTTP_RESOLVE_STDERR) && !uri) |
a469f8a5 | 1951 | _cupsLangPrintFilter(stderr, "INFO", _("Unable to find printer.")); |
5eb9da71 | 1952 | } |
eac3a0a0 MS |
1953 | else |
1954 | { | |
1955 | /* | |
1956 | * Nothing more to do... | |
1957 | */ | |
1958 | ||
1959 | strlcpy(resolved_uri, uri, resolved_size); | |
1960 | uri = resolved_uri; | |
1961 | } | |
5eb9da71 | 1962 | |
4db7fcee | 1963 | DEBUG_printf(("2_httpResolveURI: Returning \"%s\"", uri)); |
1f0275e3 | 1964 | |
5eb9da71 MS |
1965 | return (uri); |
1966 | } | |
1967 | ||
1968 | ||
f3c17241 MS |
1969 | #ifdef HAVE_AVAHI |
1970 | /* | |
1971 | * 'http_client_cb()' - Client callback for resolving URI. | |
1972 | */ | |
1973 | ||
1974 | static void | |
1975 | http_client_cb( | |
1976 | AvahiClient *client, /* I - Client information */ | |
1977 | AvahiClientState state, /* I - Current state */ | |
1978 | void *context) /* I - Pointer to URI buffer */ | |
1979 | { | |
1980 | DEBUG_printf(("7http_client_cb(client=%p, state=%d, context=%p)", client, | |
1981 | state, context)); | |
1982 | ||
1983 | /* | |
1984 | * If the connection drops, quit. | |
1985 | */ | |
1986 | ||
1987 | if (state == AVAHI_CLIENT_FAILURE) | |
1988 | { | |
1989 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; | |
1990 | /* URI buffer */ | |
1991 | ||
1992 | avahi_simple_poll_quit(uribuf->poll); | |
1993 | } | |
1994 | } | |
1995 | #endif /* HAVE_AVAHI */ | |
1996 | ||
1997 | ||
ef416fc2 | 1998 | /* |
1999 | * 'http_copy_decode()' - Copy and decode a URI. | |
2000 | */ | |
2001 | ||
2002 | static const char * /* O - New source pointer or NULL on error */ | |
88f9aafc | 2003 | http_copy_decode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 2004 | const char *src, /* I - Source pointer */ |
2005 | int dstsize, /* I - Destination size */ | |
a4d04587 | 2006 | const char *term, /* I - Terminating characters */ |
2007 | int decode) /* I - Decode %-encoded values */ | |
ef416fc2 | 2008 | { |
2009 | char *ptr, /* Pointer into buffer */ | |
2010 | *end; /* End of buffer */ | |
2011 | int quoted; /* Quoted character */ | |
2012 | ||
2013 | ||
2014 | /* | |
2015 | * Copy the src to the destination until we hit a terminating character | |
2016 | * or the end of the string. | |
2017 | */ | |
2018 | ||
e00b005a | 2019 | for (ptr = dst, end = dst + dstsize - 1; |
2020 | *src && (!term || !strchr(term, *src)); | |
2021 | src ++) | |
ef416fc2 | 2022 | if (ptr < end) |
2023 | { | |
a4d04587 | 2024 | if (*src == '%' && decode) |
ef416fc2 | 2025 | { |
2026 | if (isxdigit(src[1] & 255) && isxdigit(src[2] & 255)) | |
2027 | { | |
2028 | /* | |
2029 | * Grab a hex-encoded character... | |
2030 | */ | |
2031 | ||
2032 | src ++; | |
2033 | if (isalpha(*src)) | |
2034 | quoted = (tolower(*src) - 'a' + 10) << 4; | |
2035 | else | |
2036 | quoted = (*src - '0') << 4; | |
2037 | ||
2038 | src ++; | |
2039 | if (isalpha(*src)) | |
2040 | quoted |= tolower(*src) - 'a' + 10; | |
2041 | else | |
2042 | quoted |= *src - '0'; | |
2043 | ||
7e86f2f6 | 2044 | *ptr++ = (char)quoted; |
ef416fc2 | 2045 | } |
2046 | else | |
2047 | { | |
2048 | /* | |
2049 | * Bad hex-encoded character... | |
2050 | */ | |
2051 | ||
2052 | *ptr = '\0'; | |
2053 | return (NULL); | |
2054 | } | |
2055 | } | |
6961465f MS |
2056 | else if ((*src & 255) <= 0x20 || (*src & 255) >= 0x7f) |
2057 | { | |
2058 | *ptr = '\0'; | |
2059 | return (NULL); | |
2060 | } | |
ef416fc2 | 2061 | else |
2062 | *ptr++ = *src; | |
2063 | } | |
2064 | ||
2065 | *ptr = '\0'; | |
2066 | ||
2067 | return (src); | |
2068 | } | |
2069 | ||
2070 | ||
2071 | /* | |
2072 | * 'http_copy_encode()' - Copy and encode a URI. | |
2073 | */ | |
2074 | ||
2075 | static char * /* O - End of current URI */ | |
88f9aafc | 2076 | http_copy_encode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 2077 | const char *src, /* I - Source pointer */ |
2078 | char *dstend, /* I - End of destination buffer */ | |
a4d04587 | 2079 | const char *reserved, /* I - Extra reserved characters */ |
2080 | const char *term, /* I - Terminating characters */ | |
2081 | int encode) /* I - %-encode reserved chars? */ | |
ef416fc2 | 2082 | { |
ac884b6a | 2083 | static const char hex[] = "0123456789ABCDEF"; |
ef416fc2 | 2084 | |
2085 | ||
2086 | while (*src && dst < dstend) | |
2087 | { | |
a4d04587 | 2088 | if (term && *src == *term) |
2089 | return (dst); | |
2090 | ||
2091 | if (encode && (*src == '%' || *src <= ' ' || *src & 128 || | |
2092 | (reserved && strchr(reserved, *src)))) | |
ef416fc2 | 2093 | { |
2094 | /* | |
2095 | * Hex encode reserved characters... | |
2096 | */ | |
2097 | ||
2098 | if ((dst + 2) >= dstend) | |
2099 | break; | |
2100 | ||
2101 | *dst++ = '%'; | |
2102 | *dst++ = hex[(*src >> 4) & 15]; | |
2103 | *dst++ = hex[*src & 15]; | |
2104 | ||
2105 | src ++; | |
2106 | } | |
2107 | else | |
2108 | *dst++ = *src++; | |
2109 | } | |
2110 | ||
839a51c8 MS |
2111 | *dst = '\0'; |
2112 | ||
ef416fc2 | 2113 | if (*src) |
2114 | return (NULL); | |
2115 | else | |
2116 | return (dst); | |
2117 | } | |
2118 | ||
2119 | ||
5eb9da71 MS |
2120 | #ifdef HAVE_DNSSD |
2121 | /* | |
eac3a0a0 | 2122 | * 'http_resolve_cb()' - Build a device URI for the given service name. |
5eb9da71 MS |
2123 | */ |
2124 | ||
6d2f911b | 2125 | static void DNSSD_API |
eac3a0a0 | 2126 | http_resolve_cb( |
5eb9da71 MS |
2127 | DNSServiceRef sdRef, /* I - Service reference */ |
2128 | DNSServiceFlags flags, /* I - Results flags */ | |
2129 | uint32_t interfaceIndex, /* I - Interface number */ | |
2130 | DNSServiceErrorType errorCode, /* I - Error, if any */ | |
2131 | const char *fullName, /* I - Full service name */ | |
2132 | const char *hostTarget, /* I - Hostname */ | |
2133 | uint16_t port, /* I - Port number */ | |
2134 | uint16_t txtLen, /* I - Length of TXT record */ | |
2135 | const unsigned char *txtRecord, /* I - TXT record data */ | |
2136 | void *context) /* I - Pointer to URI buffer */ | |
2137 | { | |
f3c17241 MS |
2138 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; |
2139 | /* URI buffer */ | |
eac3a0a0 | 2140 | const char *scheme, /* URI scheme */ |
f3c17241 MS |
2141 | *hostptr, /* Pointer into hostTarget */ |
2142 | *reskey, /* "rp" or "rfo" */ | |
2143 | *resdefault; /* Default path */ | |
2144 | char resource[257], /* Remote path */ | |
eac3a0a0 | 2145 | fqdn[256]; /* FQDN of the .local name */ |
5eb9da71 MS |
2146 | const void *value; /* Value from TXT record */ |
2147 | uint8_t valueLen; /* Length of value */ | |
5eb9da71 MS |
2148 | |
2149 | ||
807315e6 | 2150 | DEBUG_printf(("4http_resolve_cb(sdRef=%p, flags=%x, interfaceIndex=%u, errorCode=%d, fullName=\"%s\", hostTarget=\"%s\", port=%u, txtLen=%u, txtRecord=%p, context=%p)", (void *)sdRef, flags, interfaceIndex, errorCode, fullName, hostTarget, port, txtLen, (void *)txtRecord, context)); |
5eb9da71 | 2151 | |
2c3f5865 MS |
2152 | /* |
2153 | * If we have a UUID, compare it... | |
2154 | */ | |
2155 | ||
2156 | if (uribuf->uuid && | |
2157 | (value = TXTRecordGetValuePtr(txtLen, txtRecord, "UUID", | |
2158 | &valueLen)) != NULL) | |
2159 | { | |
2160 | char uuid[256]; /* UUID value */ | |
2161 | ||
2162 | memcpy(uuid, value, valueLen); | |
2163 | uuid[valueLen] = '\0'; | |
2164 | ||
2165 | if (_cups_strcasecmp(uuid, uribuf->uuid)) | |
2166 | { | |
2167 | if (uribuf->options & _HTTP_RESOLVE_STDERR) | |
2c3f5865 MS |
2168 | fprintf(stderr, "DEBUG: Found UUID %s, looking for %s.", uuid, |
2169 | uribuf->uuid); | |
2c3f5865 | 2170 | |
4db7fcee | 2171 | DEBUG_printf(("5http_resolve_cb: Found UUID %s, looking for %s.", uuid, |
2c3f5865 MS |
2172 | uribuf->uuid)); |
2173 | return; | |
2174 | } | |
2175 | } | |
2176 | ||
5eb9da71 MS |
2177 | /* |
2178 | * Figure out the scheme from the full name... | |
2179 | */ | |
2180 | ||
eac3a0a0 MS |
2181 | if (strstr(fullName, "._ipps") || strstr(fullName, "._ipp-tls")) |
2182 | scheme = "ipps"; | |
2183 | else if (strstr(fullName, "._ipp") || strstr(fullName, "._fax-ipp")) | |
5eb9da71 | 2184 | scheme = "ipp"; |
eac3a0a0 MS |
2185 | else if (strstr(fullName, "._http.")) |
2186 | scheme = "http"; | |
2187 | else if (strstr(fullName, "._https.")) | |
2188 | scheme = "https"; | |
5eb9da71 MS |
2189 | else if (strstr(fullName, "._printer.")) |
2190 | scheme = "lpd"; | |
2191 | else if (strstr(fullName, "._pdl-datastream.")) | |
2192 | scheme = "socket"; | |
2193 | else | |
2194 | scheme = "riousbprint"; | |
2195 | ||
2196 | /* | |
2197 | * Extract the "remote printer" key from the TXT record... | |
2198 | */ | |
2199 | ||
f3c17241 | 2200 | if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) && |
0d4d48ad MS |
2201 | (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2202 | !TXTRecordGetValuePtr(txtLen, txtRecord, "printer-type", &valueLen)) | |
f3c17241 MS |
2203 | { |
2204 | reskey = "rfo"; | |
2205 | resdefault = "/ipp/faxout"; | |
2206 | } | |
2207 | else | |
2208 | { | |
2209 | reskey = "rp"; | |
2210 | resdefault = "/"; | |
2211 | } | |
2212 | ||
2213 | if ((value = TXTRecordGetValuePtr(txtLen, txtRecord, reskey, | |
5eb9da71 | 2214 | &valueLen)) != NULL) |
9b66acc5 MS |
2215 | { |
2216 | if (((char *)value)[0] == '/') | |
2217 | { | |
2218 | /* | |
f3c17241 | 2219 | * Value (incorrectly) has a leading slash already... |
9b66acc5 MS |
2220 | */ |
2221 | ||
f3c17241 MS |
2222 | memcpy(resource, value, valueLen); |
2223 | resource[valueLen] = '\0'; | |
9b66acc5 MS |
2224 | } |
2225 | else | |
2226 | { | |
2227 | /* | |
2228 | * Convert to resource by concatenating with a leading "/"... | |
2229 | */ | |
2230 | ||
f3c17241 MS |
2231 | resource[0] = '/'; |
2232 | memcpy(resource + 1, value, valueLen); | |
2233 | resource[valueLen + 1] = '\0'; | |
9b66acc5 MS |
2234 | } |
2235 | } | |
2236 | else | |
5eb9da71 MS |
2237 | { |
2238 | /* | |
f3c17241 | 2239 | * Use the default value... |
5eb9da71 MS |
2240 | */ |
2241 | ||
f3c17241 | 2242 | strlcpy(resource, resdefault, sizeof(resource)); |
5eb9da71 | 2243 | } |
5eb9da71 MS |
2244 | |
2245 | /* | |
eac3a0a0 | 2246 | * Lookup the FQDN if needed... |
5eb9da71 MS |
2247 | */ |
2248 | ||
eac3a0a0 MS |
2249 | if ((uribuf->options & _HTTP_RESOLVE_FQDN) && |
2250 | (hostptr = hostTarget + strlen(hostTarget) - 7) > hostTarget && | |
88f9aafc | 2251 | !_cups_strcasecmp(hostptr, ".local.")) |
eac3a0a0 MS |
2252 | { |
2253 | /* | |
2254 | * OK, we got a .local name but the caller needs a real domain. Start by | |
2255 | * getting the IP address of the .local name and then do reverse-lookups... | |
2256 | */ | |
2257 | ||
2258 | http_addrlist_t *addrlist, /* List of addresses */ | |
2259 | *addr; /* Current address */ | |
2260 | ||
4db7fcee | 2261 | DEBUG_printf(("5http_resolve_cb: Looking up \"%s\".", hostTarget)); |
eac3a0a0 MS |
2262 | |
2263 | snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port)); | |
2264 | if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL) | |
2265 | { | |
2266 | for (addr = addrlist; addr; addr = addr->next) | |
2267 | { | |
7e86f2f6 | 2268 | int error = getnameinfo(&(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr)), fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD); |
eac3a0a0 MS |
2269 | |
2270 | if (!error) | |
2271 | { | |
4db7fcee | 2272 | DEBUG_printf(("5http_resolve_cb: Found \"%s\".", fqdn)); |
eac3a0a0 MS |
2273 | |
2274 | if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn || | |
88f9aafc | 2275 | _cups_strcasecmp(hostptr, ".local")) |
eac3a0a0 MS |
2276 | { |
2277 | hostTarget = fqdn; | |
2278 | break; | |
2279 | } | |
2280 | } | |
2281 | #ifdef DEBUG | |
2282 | else | |
4db7fcee | 2283 | DEBUG_printf(("5http_resolve_cb: \"%s\" did not resolve: %d", |
eac3a0a0 MS |
2284 | httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)), |
2285 | error)); | |
2286 | #endif /* DEBUG */ | |
2287 | } | |
0fa6c7fa MS |
2288 | |
2289 | httpAddrFreeList(addrlist); | |
eac3a0a0 MS |
2290 | } |
2291 | } | |
2292 | ||
2293 | /* | |
2294 | * Assemble the final device URI... | |
2295 | */ | |
5eb9da71 | 2296 | |
5a9febac MS |
2297 | if ((!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2298 | !strcmp(uribuf->resource, "/cups")) | |
7e86f2f6 | 2299 | httpAssembleURIf(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, NULL, hostTarget, ntohs(port), "%s?snmp=false", resource); |
5a9febac | 2300 | else |
7e86f2f6 | 2301 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, NULL, hostTarget, ntohs(port), resource); |
5eb9da71 | 2302 | |
4db7fcee | 2303 | DEBUG_printf(("5http_resolve_cb: Resolved URI is \"%s\"...", uribuf->buffer)); |
5eb9da71 | 2304 | } |
f3c17241 MS |
2305 | |
2306 | #elif defined(HAVE_AVAHI) | |
2307 | /* | |
2308 | * 'http_poll_cb()' - Wait for input on the specified file descriptors. | |
2309 | * | |
2310 | * Note: This function is needed because avahi_simple_poll_iterate is broken | |
2311 | * and always uses a timeout of 0 (!) milliseconds. | |
2312 | * (Avahi Ticket #364) | |
2313 | */ | |
2314 | ||
2315 | static int /* O - Number of file descriptors matching */ | |
2316 | http_poll_cb( | |
2317 | struct pollfd *pollfds, /* I - File descriptors */ | |
2318 | unsigned int num_pollfds, /* I - Number of file descriptors */ | |
2319 | int timeout, /* I - Timeout in milliseconds (used) */ | |
2320 | void *context) /* I - User data (unused) */ | |
2321 | { | |
2322 | (void)timeout; | |
2323 | (void)context; | |
2324 | ||
2325 | return (poll(pollfds, num_pollfds, 2000)); | |
2326 | } | |
2327 | ||
2328 | ||
2329 | /* | |
2330 | * 'http_resolve_cb()' - Build a device URI for the given service name. | |
2331 | */ | |
2332 | ||
2333 | static void | |
2334 | http_resolve_cb( | |
2335 | AvahiServiceResolver *resolver, /* I - Resolver (unused) */ | |
2336 | AvahiIfIndex interface, /* I - Interface index (unused) */ | |
2337 | AvahiProtocol protocol, /* I - Network protocol (unused) */ | |
2338 | AvahiResolverEvent event, /* I - Event (found, etc.) */ | |
2339 | const char *name, /* I - Service name */ | |
2340 | const char *type, /* I - Registration type */ | |
2341 | const char *domain, /* I - Domain (unused) */ | |
2342 | const char *hostTarget, /* I - Hostname */ | |
2343 | const AvahiAddress *address, /* I - Address (unused) */ | |
2344 | uint16_t port, /* I - Port number */ | |
2345 | AvahiStringList *txt, /* I - TXT record */ | |
2346 | AvahiLookupResultFlags flags, /* I - Lookup flags (unused) */ | |
2347 | void *context) /* I - Pointer to URI buffer */ | |
2348 | { | |
2349 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; | |
2350 | /* URI buffer */ | |
2351 | const char *scheme, /* URI scheme */ | |
2352 | *hostptr, /* Pointer into hostTarget */ | |
2353 | *reskey, /* "rp" or "rfo" */ | |
2354 | *resdefault; /* Default path */ | |
2355 | char resource[257], /* Remote path */ | |
2356 | fqdn[256]; /* FQDN of the .local name */ | |
2357 | AvahiStringList *pair; /* Current TXT record key/value pair */ | |
2358 | char *value; /* Value for "rp" key */ | |
2359 | size_t valueLen = 0; /* Length of "rp" key */ | |
2360 | ||
2361 | ||
4db7fcee | 2362 | DEBUG_printf(("4http_resolve_cb(resolver=%p, " |
f3c17241 MS |
2363 | "interface=%d, protocol=%d, event=%d, name=\"%s\", " |
2364 | "type=\"%s\", domain=\"%s\", hostTarget=\"%s\", address=%p, " | |
2365 | "port=%d, txt=%p, flags=%d, context=%p)", | |
2366 | resolver, interface, protocol, event, name, type, domain, | |
2367 | hostTarget, address, port, txt, flags, context)); | |
2368 | ||
2369 | if (event != AVAHI_RESOLVER_FOUND) | |
2370 | { | |
2371 | avahi_service_resolver_free(resolver); | |
2372 | avahi_simple_poll_quit(uribuf->poll); | |
2373 | return; | |
2374 | } | |
2375 | ||
2c3f5865 MS |
2376 | /* |
2377 | * If we have a UUID, compare it... | |
2378 | */ | |
2379 | ||
2380 | if (uribuf->uuid && (pair = avahi_string_list_find(txt, "UUID")) != NULL) | |
2381 | { | |
2382 | char uuid[256]; /* UUID value */ | |
2383 | ||
2384 | avahi_string_list_get_pair(pair, NULL, &value, &valueLen); | |
2385 | ||
2386 | memcpy(uuid, value, valueLen); | |
2387 | uuid[valueLen] = '\0'; | |
2388 | ||
2389 | if (_cups_strcasecmp(uuid, uribuf->uuid)) | |
2390 | { | |
2391 | if (uribuf->options & _HTTP_RESOLVE_STDERR) | |
2c3f5865 MS |
2392 | fprintf(stderr, "DEBUG: Found UUID %s, looking for %s.", uuid, |
2393 | uribuf->uuid); | |
2c3f5865 | 2394 | |
4db7fcee | 2395 | DEBUG_printf(("5http_resolve_cb: Found UUID %s, looking for %s.", uuid, |
2c3f5865 MS |
2396 | uribuf->uuid)); |
2397 | return; | |
2398 | } | |
2399 | } | |
2400 | ||
f3c17241 MS |
2401 | /* |
2402 | * Figure out the scheme from the full name... | |
2403 | */ | |
2404 | ||
2405 | if (strstr(type, "_ipp.")) | |
2406 | scheme = "ipp"; | |
2407 | else if (strstr(type, "_printer.")) | |
2408 | scheme = "lpd"; | |
2409 | else if (strstr(type, "_pdl-datastream.")) | |
2410 | scheme = "socket"; | |
2411 | else | |
2412 | scheme = "riousbprint"; | |
2413 | ||
2414 | if (!strncmp(type, "_ipps.", 6) || !strncmp(type, "_ipp-tls.", 9)) | |
2415 | scheme = "ipps"; | |
2416 | else if (!strncmp(type, "_ipp.", 5) || !strncmp(type, "_fax-ipp.", 9)) | |
2417 | scheme = "ipp"; | |
2418 | else if (!strncmp(type, "_http.", 6)) | |
2419 | scheme = "http"; | |
2420 | else if (!strncmp(type, "_https.", 7)) | |
2421 | scheme = "https"; | |
2422 | else if (!strncmp(type, "_printer.", 9)) | |
2423 | scheme = "lpd"; | |
2424 | else if (!strncmp(type, "_pdl-datastream.", 16)) | |
2425 | scheme = "socket"; | |
2426 | else | |
2427 | { | |
2428 | avahi_service_resolver_free(resolver); | |
2429 | avahi_simple_poll_quit(uribuf->poll); | |
2430 | return; | |
2431 | } | |
2432 | ||
2433 | /* | |
2434 | * Extract the remote resource key from the TXT record... | |
2435 | */ | |
2436 | ||
2437 | if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) && | |
2c3f5865 MS |
2438 | (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2439 | !avahi_string_list_find(txt, "printer-type")) | |
f3c17241 MS |
2440 | { |
2441 | reskey = "rfo"; | |
2442 | resdefault = "/ipp/faxout"; | |
2443 | } | |
2444 | else | |
2445 | { | |
2446 | reskey = "rp"; | |
2447 | resdefault = "/"; | |
2448 | } | |
2449 | ||
2450 | if ((pair = avahi_string_list_find(txt, reskey)) != NULL) | |
2451 | { | |
2452 | avahi_string_list_get_pair(pair, NULL, &value, &valueLen); | |
2453 | ||
2454 | if (value[0] == '/') | |
2455 | { | |
2456 | /* | |
2457 | * Value (incorrectly) has a leading slash already... | |
2458 | */ | |
2459 | ||
2460 | memcpy(resource, value, valueLen); | |
2461 | resource[valueLen] = '\0'; | |
2462 | } | |
2463 | else | |
2464 | { | |
2465 | /* | |
2466 | * Convert to resource by concatenating with a leading "/"... | |
2467 | */ | |
2468 | ||
2469 | resource[0] = '/'; | |
2470 | memcpy(resource + 1, value, valueLen); | |
2471 | resource[valueLen + 1] = '\0'; | |
2472 | } | |
2473 | } | |
2474 | else | |
2475 | { | |
2476 | /* | |
2477 | * Use the default value... | |
2478 | */ | |
2479 | ||
2480 | strlcpy(resource, resdefault, sizeof(resource)); | |
2481 | } | |
2482 | ||
2483 | /* | |
2484 | * Lookup the FQDN if needed... | |
2485 | */ | |
2486 | ||
2487 | if ((uribuf->options & _HTTP_RESOLVE_FQDN) && | |
2488 | (hostptr = hostTarget + strlen(hostTarget) - 6) > hostTarget && | |
2489 | !_cups_strcasecmp(hostptr, ".local")) | |
2490 | { | |
2491 | /* | |
2492 | * OK, we got a .local name but the caller needs a real domain. Start by | |
2493 | * getting the IP address of the .local name and then do reverse-lookups... | |
2494 | */ | |
2495 | ||
2496 | http_addrlist_t *addrlist, /* List of addresses */ | |
2497 | *addr; /* Current address */ | |
2498 | ||
4db7fcee | 2499 | DEBUG_printf(("5http_resolve_cb: Looking up \"%s\".", hostTarget)); |
f3c17241 MS |
2500 | |
2501 | snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port)); | |
2502 | if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL) | |
2503 | { | |
2504 | for (addr = addrlist; addr; addr = addr->next) | |
2505 | { | |
07623986 | 2506 | int error = getnameinfo(&(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr)), fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD); |
f3c17241 MS |
2507 | |
2508 | if (!error) | |
2509 | { | |
4db7fcee | 2510 | DEBUG_printf(("5http_resolve_cb: Found \"%s\".", fqdn)); |
f3c17241 MS |
2511 | |
2512 | if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn || | |
2513 | _cups_strcasecmp(hostptr, ".local")) | |
2514 | { | |
2515 | hostTarget = fqdn; | |
2516 | break; | |
2517 | } | |
2518 | } | |
2519 | #ifdef DEBUG | |
2520 | else | |
4db7fcee | 2521 | DEBUG_printf(("5http_resolve_cb: \"%s\" did not resolve: %d", |
f3c17241 MS |
2522 | httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)), |
2523 | error)); | |
2524 | #endif /* DEBUG */ | |
2525 | } | |
0fa6c7fa MS |
2526 | |
2527 | httpAddrFreeList(addrlist); | |
f3c17241 MS |
2528 | } |
2529 | } | |
2530 | ||
2531 | /* | |
2532 | * Assemble the final device URI using the resolved hostname... | |
2533 | */ | |
2534 | ||
329cfeb0 | 2535 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, |
f3c17241 | 2536 | NULL, hostTarget, port, resource); |
4db7fcee | 2537 | DEBUG_printf(("5http_resolve_cb: Resolved URI is \"%s\".", uribuf->buffer)); |
f3c17241 MS |
2538 | |
2539 | avahi_simple_poll_quit(uribuf->poll); | |
2540 | } | |
5eb9da71 | 2541 | #endif /* HAVE_DNSSD */ |