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Commit | Line | Data |
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ef416fc2 | 1 | /* |
5ec1fd3d | 2 | * HTTP support routines for CUPS. |
ef416fc2 | 3 | * |
53af7f21 | 4 | * Copyright 2007-2017 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 | |
57b7b66b | 11 | * 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 | * | |
53af7f21 | 546 | * @deprecated@ @exclude all@ |
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 | * | |
98d88c8d MS |
569 | * The caller must initialize "outlen" to the maximum size of the decoded |
570 | * string before calling @code httpDecode64_2@. On return "outlen" contains the | |
571 | * decoded length of the string. | |
572 | * | |
8072030b | 573 | * @since CUPS 1.1.21/macOS 10.4@ |
ef416fc2 | 574 | */ |
575 | ||
576 | char * /* O - Decoded string */ | |
577 | httpDecode64_2(char *out, /* I - String to write to */ | |
578 | int *outlen, /* IO - Size of output string */ | |
579 | const char *in) /* I - String to read from */ | |
580 | { | |
7e86f2f6 MS |
581 | int pos; /* Bit position */ |
582 | unsigned base64; /* Value of this character */ | |
583 | char *outptr, /* Output pointer */ | |
584 | *outend; /* End of output buffer */ | |
ef416fc2 | 585 | |
586 | ||
587 | /* | |
588 | * Range check input... | |
589 | */ | |
590 | ||
fa73b229 | 591 | if (!out || !outlen || *outlen < 1 || !in) |
ef416fc2 | 592 | return (NULL); |
593 | ||
fa73b229 | 594 | if (!*in) |
595 | { | |
596 | *out = '\0'; | |
597 | *outlen = 0; | |
598 | ||
599 | return (out); | |
600 | } | |
601 | ||
ef416fc2 | 602 | /* |
603 | * Convert from base-64 to bytes... | |
604 | */ | |
605 | ||
606 | for (outptr = out, outend = out + *outlen - 1, pos = 0; *in != '\0'; in ++) | |
607 | { | |
608 | /* | |
609 | * Decode this character into a number from 0 to 63... | |
610 | */ | |
611 | ||
612 | if (*in >= 'A' && *in <= 'Z') | |
7e86f2f6 | 613 | base64 = (unsigned)(*in - 'A'); |
ef416fc2 | 614 | else if (*in >= 'a' && *in <= 'z') |
7e86f2f6 | 615 | base64 = (unsigned)(*in - 'a' + 26); |
ef416fc2 | 616 | else if (*in >= '0' && *in <= '9') |
7e86f2f6 | 617 | base64 = (unsigned)(*in - '0' + 52); |
ef416fc2 | 618 | else if (*in == '+') |
619 | base64 = 62; | |
620 | else if (*in == '/') | |
621 | base64 = 63; | |
622 | else if (*in == '=') | |
623 | break; | |
624 | else | |
625 | continue; | |
626 | ||
627 | /* | |
628 | * Store the result in the appropriate chars... | |
629 | */ | |
630 | ||
631 | switch (pos) | |
632 | { | |
633 | case 0 : | |
634 | if (outptr < outend) | |
7e86f2f6 | 635 | *outptr = (char)(base64 << 2); |
ef416fc2 | 636 | pos ++; |
637 | break; | |
638 | case 1 : | |
639 | if (outptr < outend) | |
7e86f2f6 | 640 | *outptr++ |= (char)((base64 >> 4) & 3); |
ef416fc2 | 641 | if (outptr < outend) |
7e86f2f6 | 642 | *outptr = (char)((base64 << 4) & 255); |
ef416fc2 | 643 | pos ++; |
644 | break; | |
645 | case 2 : | |
646 | if (outptr < outend) | |
7e86f2f6 | 647 | *outptr++ |= (char)((base64 >> 2) & 15); |
ef416fc2 | 648 | if (outptr < outend) |
7e86f2f6 | 649 | *outptr = (char)((base64 << 6) & 255); |
ef416fc2 | 650 | pos ++; |
651 | break; | |
652 | case 3 : | |
653 | if (outptr < outend) | |
7d5824d6 | 654 | *outptr++ |= (char)base64; |
ef416fc2 | 655 | pos = 0; |
656 | break; | |
657 | } | |
658 | } | |
659 | ||
660 | *outptr = '\0'; | |
661 | ||
662 | /* | |
663 | * Return the decoded string and size... | |
664 | */ | |
665 | ||
666 | *outlen = (int)(outptr - out); | |
667 | ||
668 | return (out); | |
669 | } | |
670 | ||
671 | ||
672 | /* | |
673 | * 'httpEncode64()' - Base64-encode a string. | |
ecdc0628 | 674 | * |
675 | * This function is deprecated. Use the httpEncode64_2() function instead | |
676 | * which provides buffer length arguments. | |
677 | * | |
53af7f21 | 678 | * @deprecated@ @exclude all@ |
ef416fc2 | 679 | */ |
680 | ||
681 | char * /* O - Encoded string */ | |
682 | httpEncode64(char *out, /* I - String to write to */ | |
683 | const char *in) /* I - String to read from */ | |
684 | { | |
b86bc4cf | 685 | return (httpEncode64_2(out, 512, in, (int)strlen(in))); |
ef416fc2 | 686 | } |
687 | ||
688 | ||
689 | /* | |
690 | * 'httpEncode64_2()' - Base64-encode a string. | |
691 | * | |
8072030b | 692 | * @since CUPS 1.1.21/macOS 10.4@ |
ef416fc2 | 693 | */ |
694 | ||
695 | char * /* O - Encoded string */ | |
696 | httpEncode64_2(char *out, /* I - String to write to */ | |
98d88c8d | 697 | int outlen, /* I - Maximum size of output string */ |
ef416fc2 | 698 | const char *in, /* I - String to read from */ |
699 | int inlen) /* I - Size of input string */ | |
700 | { | |
701 | char *outptr, /* Output pointer */ | |
702 | *outend; /* End of output buffer */ | |
703 | static const char base64[] = /* Base64 characters... */ | |
704 | { | |
705 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
706 | "abcdefghijklmnopqrstuvwxyz" | |
707 | "0123456789" | |
708 | "+/" | |
709 | }; | |
710 | ||
711 | ||
712 | /* | |
713 | * Range check input... | |
714 | */ | |
715 | ||
716 | if (!out || outlen < 1 || !in) | |
717 | return (NULL); | |
718 | ||
719 | /* | |
720 | * Convert bytes to base-64... | |
721 | */ | |
722 | ||
723 | for (outptr = out, outend = out + outlen - 1; inlen > 0; in ++, inlen --) | |
724 | { | |
725 | /* | |
726 | * Encode the up to 3 characters as 4 Base64 numbers... | |
727 | */ | |
728 | ||
729 | if (outptr < outend) | |
730 | *outptr ++ = base64[(in[0] & 255) >> 2]; | |
26d47ec6 | 731 | |
ef416fc2 | 732 | if (outptr < outend) |
26d47ec6 | 733 | { |
734 | if (inlen > 1) | |
735 | *outptr ++ = base64[(((in[0] & 255) << 4) | ((in[1] & 255) >> 4)) & 63]; | |
736 | else | |
737 | *outptr ++ = base64[((in[0] & 255) << 4) & 63]; | |
738 | } | |
ef416fc2 | 739 | |
740 | in ++; | |
741 | inlen --; | |
742 | if (inlen <= 0) | |
743 | { | |
744 | if (outptr < outend) | |
745 | *outptr ++ = '='; | |
746 | if (outptr < outend) | |
747 | *outptr ++ = '='; | |
748 | break; | |
749 | } | |
750 | ||
751 | if (outptr < outend) | |
26d47ec6 | 752 | { |
753 | if (inlen > 1) | |
754 | *outptr ++ = base64[(((in[0] & 255) << 2) | ((in[1] & 255) >> 6)) & 63]; | |
755 | else | |
756 | *outptr ++ = base64[((in[0] & 255) << 2) & 63]; | |
757 | } | |
ef416fc2 | 758 | |
759 | in ++; | |
760 | inlen --; | |
761 | if (inlen <= 0) | |
762 | { | |
763 | if (outptr < outend) | |
764 | *outptr ++ = '='; | |
765 | break; | |
766 | } | |
767 | ||
768 | if (outptr < outend) | |
769 | *outptr ++ = base64[in[0] & 63]; | |
770 | } | |
771 | ||
772 | *outptr = '\0'; | |
773 | ||
774 | /* | |
775 | * Return the encoded string... | |
776 | */ | |
777 | ||
778 | return (out); | |
779 | } | |
780 | ||
781 | ||
782 | /* | |
783 | * 'httpGetDateString()' - Get a formatted date/time string from a time value. | |
784 | * | |
53af7f21 | 785 | * @deprecated@ @exclude all@ |
ef416fc2 | 786 | */ |
787 | ||
788 | const char * /* O - Date/time string */ | |
98d88c8d | 789 | httpGetDateString(time_t t) /* I - Time in seconds */ |
ef416fc2 | 790 | { |
791 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
792 | ||
793 | ||
794 | return (httpGetDateString2(t, cg->http_date, sizeof(cg->http_date))); | |
795 | } | |
796 | ||
797 | ||
798 | /* | |
799 | * 'httpGetDateString2()' - Get a formatted date/time string from a time value. | |
800 | * | |
8072030b | 801 | * @since CUPS 1.2/macOS 10.5@ |
ef416fc2 | 802 | */ |
803 | ||
804 | const char * /* O - Date/time string */ | |
98d88c8d | 805 | httpGetDateString2(time_t t, /* I - Time in seconds */ |
ef416fc2 | 806 | char *s, /* I - String buffer */ |
807 | int slen) /* I - Size of string buffer */ | |
808 | { | |
809 | struct tm *tdate; /* UNIX date/time data */ | |
810 | ||
811 | ||
812 | tdate = gmtime(&t); | |
3e7fe0ca | 813 | if (tdate) |
07623986 | 814 | 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 |
815 | else |
816 | s[0] = '\0'; | |
ef416fc2 | 817 | |
818 | return (s); | |
819 | } | |
820 | ||
821 | ||
822 | /* | |
823 | * 'httpGetDateTime()' - Get a time value from a formatted date/time string. | |
824 | */ | |
825 | ||
98d88c8d | 826 | time_t /* O - Time in seconds */ |
ef416fc2 | 827 | httpGetDateTime(const char *s) /* I - Date/time string */ |
828 | { | |
829 | int i; /* Looping var */ | |
830 | char mon[16]; /* Abbreviated month name */ | |
831 | int day, year; /* Day of month and year */ | |
832 | int hour, min, sec; /* Time */ | |
833 | int days; /* Number of days since 1970 */ | |
834 | static const int normal_days[] = /* Days to a month, normal years */ | |
835 | { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }; | |
836 | static const int leap_days[] = /* Days to a month, leap years */ | |
837 | { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }; | |
838 | ||
839 | ||
e07d4801 | 840 | DEBUG_printf(("2httpGetDateTime(s=\"%s\")", s)); |
ef416fc2 | 841 | |
842 | /* | |
843 | * Extract the date and time from the formatted string... | |
844 | */ | |
845 | ||
846 | if (sscanf(s, "%*s%d%15s%d%d:%d:%d", &day, mon, &year, &hour, &min, &sec) < 6) | |
847 | return (0); | |
848 | ||
e07d4801 MS |
849 | DEBUG_printf(("4httpGetDateTime: day=%d, mon=\"%s\", year=%d, hour=%d, " |
850 | "min=%d, sec=%d", day, mon, year, hour, min, sec)); | |
ef416fc2 | 851 | |
852 | /* | |
853 | * Convert the month name to a number from 0 to 11. | |
854 | */ | |
855 | ||
856 | for (i = 0; i < 12; i ++) | |
88f9aafc | 857 | if (!_cups_strcasecmp(mon, http_months[i])) |
ef416fc2 | 858 | break; |
859 | ||
860 | if (i >= 12) | |
861 | return (0); | |
862 | ||
e07d4801 | 863 | DEBUG_printf(("4httpGetDateTime: i=%d", i)); |
ef416fc2 | 864 | |
865 | /* | |
866 | * Now convert the date and time to a UNIX time value in seconds since | |
867 | * 1970. We can't use mktime() since the timezone may not be UTC but | |
868 | * the date/time string *is* UTC. | |
869 | */ | |
870 | ||
871 | if ((year & 3) == 0 && ((year % 100) != 0 || (year % 400) == 0)) | |
872 | days = leap_days[i] + day - 1; | |
873 | else | |
874 | days = normal_days[i] + day - 1; | |
875 | ||
e07d4801 | 876 | DEBUG_printf(("4httpGetDateTime: days=%d", days)); |
ef416fc2 | 877 | |
878 | days += (year - 1970) * 365 + /* 365 days per year (normally) */ | |
879 | ((year - 1) / 4 - 492) - /* + leap days */ | |
880 | ((year - 1) / 100 - 19) + /* - 100 year days */ | |
881 | ((year - 1) / 400 - 4); /* + 400 year days */ | |
882 | ||
e07d4801 | 883 | DEBUG_printf(("4httpGetDateTime: days=%d\n", days)); |
ef416fc2 | 884 | |
885 | return (days * 86400 + hour * 3600 + min * 60 + sec); | |
886 | } | |
887 | ||
888 | ||
889 | /* | |
890 | * 'httpSeparate()' - Separate a Universal Resource Identifier into its | |
891 | * components. | |
ecdc0628 | 892 | * |
893 | * This function is deprecated; use the httpSeparateURI() function instead. | |
894 | * | |
53af7f21 | 895 | * @deprecated@ @exclude all@ |
ef416fc2 | 896 | */ |
897 | ||
898 | void | |
899 | httpSeparate(const char *uri, /* I - Universal Resource Identifier */ | |
900 | char *scheme, /* O - Scheme [32] (http, https, etc.) */ | |
901 | char *username, /* O - Username [1024] */ | |
902 | char *host, /* O - Hostname [1024] */ | |
903 | int *port, /* O - Port number to use */ | |
904 | char *resource) /* O - Resource/filename [1024] */ | |
905 | { | |
a4d04587 | 906 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, 32, username, |
907 | HTTP_MAX_URI, host, HTTP_MAX_URI, port, resource, | |
908 | HTTP_MAX_URI); | |
ef416fc2 | 909 | } |
910 | ||
911 | ||
912 | /* | |
913 | * 'httpSeparate2()' - Separate a Universal Resource Identifier into its | |
914 | * components. | |
915 | * | |
ecdc0628 | 916 | * This function is deprecated; use the httpSeparateURI() function instead. |
917 | * | |
8072030b | 918 | * @since CUPS 1.1.21/macOS 10.4@ |
53af7f21 | 919 | * @deprecated@ @exclude all@ |
ef416fc2 | 920 | */ |
921 | ||
922 | void | |
923 | httpSeparate2(const char *uri, /* I - Universal Resource Identifier */ | |
924 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
925 | int schemelen, /* I - Size of scheme buffer */ | |
926 | char *username, /* O - Username */ | |
927 | int usernamelen, /* I - Size of username buffer */ | |
928 | char *host, /* O - Hostname */ | |
929 | int hostlen, /* I - Size of hostname buffer */ | |
930 | int *port, /* O - Port number to use */ | |
931 | char *resource, /* O - Resource/filename */ | |
932 | int resourcelen) /* I - Size of resource buffer */ | |
933 | { | |
a4d04587 | 934 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, schemelen, username, |
935 | usernamelen, host, hostlen, port, resource, resourcelen); | |
ef416fc2 | 936 | } |
937 | ||
938 | ||
939 | /* | |
940 | * 'httpSeparateURI()' - Separate a Universal Resource Identifier into its | |
941 | * components. | |
942 | * | |
8072030b | 943 | * @since CUPS 1.2/macOS 10.5@ |
ef416fc2 | 944 | */ |
945 | ||
946 | http_uri_status_t /* O - Result of separation */ | |
a4d04587 | 947 | httpSeparateURI( |
948 | http_uri_coding_t decoding, /* I - Decoding flags */ | |
949 | const char *uri, /* I - Universal Resource Identifier */ | |
950 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
951 | int schemelen, /* I - Size of scheme buffer */ | |
952 | char *username, /* O - Username */ | |
953 | int usernamelen, /* I - Size of username buffer */ | |
954 | char *host, /* O - Hostname */ | |
955 | int hostlen, /* I - Size of hostname buffer */ | |
956 | int *port, /* O - Port number to use */ | |
957 | char *resource, /* O - Resource/filename */ | |
958 | int resourcelen) /* I - Size of resource buffer */ | |
ef416fc2 | 959 | { |
960 | char *ptr, /* Pointer into string... */ | |
961 | *end; /* End of string */ | |
962 | const char *sep; /* Separator character */ | |
963 | http_uri_status_t status; /* Result of separation */ | |
964 | ||
965 | ||
966 | /* | |
967 | * Initialize everything to blank... | |
968 | */ | |
969 | ||
970 | if (scheme && schemelen > 0) | |
971 | *scheme = '\0'; | |
972 | ||
973 | if (username && usernamelen > 0) | |
974 | *username = '\0'; | |
975 | ||
976 | if (host && hostlen > 0) | |
977 | *host = '\0'; | |
978 | ||
979 | if (port) | |
980 | *port = 0; | |
981 | ||
982 | if (resource && resourcelen > 0) | |
983 | *resource = '\0'; | |
984 | ||
985 | /* | |
986 | * Range check input... | |
987 | */ | |
988 | ||
989 | if (!uri || !port || !scheme || schemelen <= 0 || !username || | |
990 | usernamelen <= 0 || !host || hostlen <= 0 || !resource || | |
991 | resourcelen <= 0) | |
cb7f98ee | 992 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
ef416fc2 | 993 | |
994 | if (!*uri) | |
cb7f98ee | 995 | return (HTTP_URI_STATUS_BAD_URI); |
ef416fc2 | 996 | |
997 | /* | |
998 | * Grab the scheme portion of the URI... | |
999 | */ | |
1000 | ||
cb7f98ee | 1001 | status = HTTP_URI_STATUS_OK; |
ef416fc2 | 1002 | |
1003 | if (!strncmp(uri, "//", 2)) | |
1004 | { | |
1005 | /* | |
1006 | * Workaround for HP IPP client bug... | |
1007 | */ | |
1008 | ||
07623986 | 1009 | strlcpy(scheme, "ipp", (size_t)schemelen); |
cb7f98ee | 1010 | status = HTTP_URI_STATUS_MISSING_SCHEME; |
ef416fc2 | 1011 | } |
1012 | else if (*uri == '/') | |
1013 | { | |
1014 | /* | |
1015 | * Filename... | |
1016 | */ | |
1017 | ||
07623986 | 1018 | strlcpy(scheme, "file", (size_t)schemelen); |
cb7f98ee | 1019 | status = HTTP_URI_STATUS_MISSING_SCHEME; |
ef416fc2 | 1020 | } |
1021 | else | |
1022 | { | |
1023 | /* | |
1024 | * Standard URI with scheme... | |
1025 | */ | |
1026 | ||
1027 | for (ptr = scheme, end = scheme + schemelen - 1; | |
1028 | *uri && *uri != ':' && ptr < end;) | |
7cf5915e MS |
1029 | if (strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
1030 | "abcdefghijklmnopqrstuvwxyz" | |
1031 | "0123456789-+.", *uri) != NULL) | |
ef416fc2 | 1032 | *ptr++ = *uri++; |
1033 | else | |
1034 | break; | |
1035 | ||
1036 | *ptr = '\0'; | |
1037 | ||
1038 | if (*uri != ':') | |
1039 | { | |
1040 | *scheme = '\0'; | |
cb7f98ee | 1041 | return (HTTP_URI_STATUS_BAD_SCHEME); |
ef416fc2 | 1042 | } |
1043 | ||
1044 | uri ++; | |
1045 | } | |
1046 | ||
1047 | /* | |
1048 | * Set the default port number... | |
1049 | */ | |
1050 | ||
1051 | if (!strcmp(scheme, "http")) | |
1052 | *port = 80; | |
1053 | else if (!strcmp(scheme, "https")) | |
1054 | *port = 443; | |
7cf5915e | 1055 | else if (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) |
ef416fc2 | 1056 | *port = 631; |
88f9aafc | 1057 | else if (!_cups_strcasecmp(scheme, "lpd")) |
ef416fc2 | 1058 | *port = 515; |
1059 | else if (!strcmp(scheme, "socket")) /* Not yet registered with IANA... */ | |
1060 | *port = 9100; | |
f4047845 | 1061 | else if (strcmp(scheme, "file") && strcmp(scheme, "mailto") && strcmp(scheme, "tel")) |
cb7f98ee | 1062 | status = HTTP_URI_STATUS_UNKNOWN_SCHEME; |
ef416fc2 | 1063 | |
1064 | /* | |
1065 | * Now see if we have a hostname... | |
1066 | */ | |
1067 | ||
1068 | if (!strncmp(uri, "//", 2)) | |
1069 | { | |
1070 | /* | |
1071 | * Yes, extract it... | |
1072 | */ | |
1073 | ||
1074 | uri += 2; | |
1075 | ||
1076 | /* | |
1077 | * Grab the username, if any... | |
1078 | */ | |
1079 | ||
1080 | if ((sep = strpbrk(uri, "@/")) != NULL && *sep == '@') | |
1081 | { | |
1082 | /* | |
1083 | * Get a username:password combo... | |
1084 | */ | |
1085 | ||
a4d04587 | 1086 | uri = http_copy_decode(username, uri, usernamelen, "@", |
1087 | decoding & HTTP_URI_CODING_USERNAME); | |
ef416fc2 | 1088 | |
1089 | if (!uri) | |
1090 | { | |
1091 | *username = '\0'; | |
cb7f98ee | 1092 | return (HTTP_URI_STATUS_BAD_USERNAME); |
ef416fc2 | 1093 | } |
1094 | ||
1095 | uri ++; | |
1096 | } | |
1097 | ||
1098 | /* | |
1099 | * Then the hostname/IP address... | |
1100 | */ | |
1101 | ||
1102 | if (*uri == '[') | |
1103 | { | |
1104 | /* | |
1105 | * Grab IPv6 address... | |
1106 | */ | |
1107 | ||
1108 | uri ++; | |
86c809d9 MS |
1109 | if (*uri == 'v') |
1110 | { | |
1111 | /* | |
1112 | * Skip IPvFuture ("vXXXX.") prefix... | |
1113 | */ | |
1114 | ||
1115 | uri ++; | |
1116 | ||
1117 | while (isxdigit(*uri & 255)) | |
1118 | uri ++; | |
1119 | ||
1120 | if (*uri != '.') | |
1121 | { | |
1122 | *host = '\0'; | |
1123 | return (HTTP_URI_STATUS_BAD_HOSTNAME); | |
1124 | } | |
1125 | ||
1126 | uri ++; | |
1127 | } | |
ef416fc2 | 1128 | |
a4d04587 | 1129 | uri = http_copy_decode(host, uri, hostlen, "]", |
1130 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1131 | |
1132 | if (!uri) | |
1133 | { | |
1134 | *host = '\0'; | |
cb7f98ee | 1135 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1136 | } |
1137 | ||
1138 | /* | |
1139 | * Validate value... | |
1140 | */ | |
1141 | ||
1142 | if (*uri != ']') | |
1143 | { | |
1144 | *host = '\0'; | |
cb7f98ee | 1145 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1146 | } |
1147 | ||
1148 | uri ++; | |
1149 | ||
1150 | for (ptr = host; *ptr; ptr ++) | |
1151 | if (*ptr == '+') | |
1152 | { | |
1153 | /* | |
1154 | * Convert zone separator to % and stop here... | |
1155 | */ | |
1156 | ||
1157 | *ptr = '%'; | |
1158 | break; | |
1159 | } | |
86c809d9 MS |
1160 | else if (*ptr == '%') |
1161 | { | |
1162 | /* | |
1163 | * Stop at zone separator (RFC 6874) | |
1164 | */ | |
1165 | ||
1166 | break; | |
1167 | } | |
ef416fc2 | 1168 | else if (*ptr != ':' && *ptr != '.' && !isxdigit(*ptr & 255)) |
1169 | { | |
1170 | *host = '\0'; | |
cb7f98ee | 1171 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1172 | } |
1173 | } | |
1174 | else | |
1175 | { | |
1176 | /* | |
b423cd4c | 1177 | * Validate the hostname or IPv4 address first... |
1178 | */ | |
1179 | ||
1180 | for (ptr = (char *)uri; *ptr; ptr ++) | |
1181 | if (strchr(":?/", *ptr)) | |
1182 | break; | |
ff862e50 MS |
1183 | else if (!strchr("abcdefghijklmnopqrstuvwxyz" /* unreserved */ |
1184 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" /* unreserved */ | |
1185 | "0123456789" /* unreserved */ | |
1186 | "-._~" /* unreserved */ | |
1187 | "%" /* pct-encoded */ | |
1188 | "!$&'()*+,;=" /* sub-delims */ | |
1189 | "\\", *ptr)) /* SMB domain */ | |
b423cd4c | 1190 | { |
1191 | *host = '\0'; | |
cb7f98ee | 1192 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
b423cd4c | 1193 | } |
1194 | ||
1195 | /* | |
1196 | * Then copy the hostname or IPv4 address to the buffer... | |
ef416fc2 | 1197 | */ |
1198 | ||
a4d04587 | 1199 | uri = http_copy_decode(host, uri, hostlen, ":?/", |
1200 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1201 | |
1202 | if (!uri) | |
1203 | { | |
1204 | *host = '\0'; | |
cb7f98ee | 1205 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1206 | } |
ef416fc2 | 1207 | } |
1208 | ||
1209 | /* | |
1210 | * Validate hostname for file scheme - only empty and localhost are | |
1211 | * acceptable. | |
1212 | */ | |
1213 | ||
1214 | if (!strcmp(scheme, "file") && strcmp(host, "localhost") && host[0]) | |
1215 | { | |
1216 | *host = '\0'; | |
cb7f98ee | 1217 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1218 | } |
1219 | ||
1220 | /* | |
1221 | * See if we have a port number... | |
1222 | */ | |
1223 | ||
1224 | if (*uri == ':') | |
1225 | { | |
1226 | /* | |
1227 | * Yes, collect the port number... | |
1228 | */ | |
1229 | ||
dfd5680b MS |
1230 | if (!isdigit(uri[1] & 255)) |
1231 | { | |
1232 | *port = 0; | |
cb7f98ee | 1233 | return (HTTP_URI_STATUS_BAD_PORT); |
dfd5680b MS |
1234 | } |
1235 | ||
7e86f2f6 | 1236 | *port = (int)strtol(uri + 1, (char **)&uri, 10); |
ef416fc2 | 1237 | |
044af446 MS |
1238 | if (*port <= 0 || *port > 65535) |
1239 | { | |
1240 | *port = 0; | |
1241 | return (HTTP_URI_STATUS_BAD_PORT); | |
1242 | } | |
1243 | ||
d6ae789d | 1244 | if (*uri != '/' && *uri) |
ef416fc2 | 1245 | { |
1246 | *port = 0; | |
cb7f98ee | 1247 | return (HTTP_URI_STATUS_BAD_PORT); |
ef416fc2 | 1248 | } |
1249 | } | |
1250 | } | |
1251 | ||
1252 | /* | |
1253 | * The remaining portion is the resource string... | |
1254 | */ | |
1255 | ||
1256 | if (*uri == '?' || !*uri) | |
1257 | { | |
1258 | /* | |
1259 | * Hostname but no path... | |
1260 | */ | |
1261 | ||
cb7f98ee | 1262 | status = HTTP_URI_STATUS_MISSING_RESOURCE; |
ef416fc2 | 1263 | *resource = '/'; |
fa73b229 | 1264 | |
1265 | /* | |
a4d04587 | 1266 | * Copy any query string... |
fa73b229 | 1267 | */ |
1268 | ||
1269 | if (*uri == '?') | |
a4d04587 | 1270 | uri = http_copy_decode(resource + 1, uri, resourcelen - 1, NULL, |
1271 | decoding & HTTP_URI_CODING_QUERY); | |
fa73b229 | 1272 | else |
1273 | resource[1] = '\0'; | |
ef416fc2 | 1274 | } |
1275 | else | |
fa73b229 | 1276 | { |
a4d04587 | 1277 | uri = http_copy_decode(resource, uri, resourcelen, "?", |
1278 | decoding & HTTP_URI_CODING_RESOURCE); | |
fa73b229 | 1279 | |
1280 | if (uri && *uri == '?') | |
1281 | { | |
1282 | /* | |
a4d04587 | 1283 | * Concatenate any query string... |
fa73b229 | 1284 | */ |
1285 | ||
a4d04587 | 1286 | char *resptr = resource + strlen(resource); |
1287 | ||
ff862e50 MS |
1288 | uri = http_copy_decode(resptr, uri, |
1289 | resourcelen - (int)(resptr - resource), NULL, | |
1290 | decoding & HTTP_URI_CODING_QUERY); | |
fa73b229 | 1291 | } |
1292 | } | |
ef416fc2 | 1293 | |
1294 | if (!uri) | |
1295 | { | |
1296 | *resource = '\0'; | |
cb7f98ee | 1297 | return (HTTP_URI_STATUS_BAD_RESOURCE); |
ef416fc2 | 1298 | } |
1299 | ||
1300 | /* | |
1301 | * Return the URI separation status... | |
1302 | */ | |
1303 | ||
1304 | return (status); | |
1305 | } | |
1306 | ||
1307 | ||
5ec1fd3d MS |
1308 | /* |
1309 | * 'httpStateString()' - Return the string describing a HTTP state value. | |
1310 | * | |
e1f19878 | 1311 | * @since CUPS 2.0/OS 10.10@ |
5ec1fd3d MS |
1312 | */ |
1313 | ||
1314 | const char * /* O - State string */ | |
1315 | httpStateString(http_state_t state) /* I - HTTP state value */ | |
1316 | { | |
1317 | if (state < HTTP_STATE_ERROR || state > HTTP_STATE_UNKNOWN_VERSION) | |
1318 | return ("HTTP_STATE_???"); | |
1319 | else | |
1320 | return (http_states[state - HTTP_STATE_ERROR]); | |
1321 | } | |
1322 | ||
1323 | ||
ef416fc2 | 1324 | /* |
41e6c1f1 | 1325 | * '_httpStatus()' - Return the localized string describing a HTTP status code. |
9f5eb9be | 1326 | * |
41e6c1f1 | 1327 | * The returned string is localized using the passed message catalog. |
ef416fc2 | 1328 | */ |
1329 | ||
9f5eb9be | 1330 | const char * /* O - Localized status string */ |
41e6c1f1 MS |
1331 | _httpStatus(cups_lang_t *lang, /* I - Language */ |
1332 | http_status_t status) /* I - HTTP status code */ | |
ef416fc2 | 1333 | { |
9f5eb9be | 1334 | const char *s; /* Status string */ |
9f5eb9be | 1335 | |
9f5eb9be | 1336 | |
ef416fc2 | 1337 | switch (status) |
1338 | { | |
b63a0d90 MS |
1339 | case HTTP_STATUS_ERROR : |
1340 | s = strerror(errno); | |
1341 | break; | |
cb7f98ee | 1342 | case HTTP_STATUS_CONTINUE : |
9f5eb9be MS |
1343 | s = _("Continue"); |
1344 | break; | |
cb7f98ee | 1345 | case HTTP_STATUS_SWITCHING_PROTOCOLS : |
9f5eb9be MS |
1346 | s = _("Switching Protocols"); |
1347 | break; | |
cb7f98ee | 1348 | case HTTP_STATUS_OK : |
9f5eb9be MS |
1349 | s = _("OK"); |
1350 | break; | |
cb7f98ee | 1351 | case HTTP_STATUS_CREATED : |
9f5eb9be MS |
1352 | s = _("Created"); |
1353 | break; | |
cb7f98ee | 1354 | case HTTP_STATUS_ACCEPTED : |
9f5eb9be MS |
1355 | s = _("Accepted"); |
1356 | break; | |
cb7f98ee | 1357 | case HTTP_STATUS_NO_CONTENT : |
9f5eb9be MS |
1358 | s = _("No Content"); |
1359 | break; | |
cb7f98ee | 1360 | case HTTP_STATUS_MOVED_PERMANENTLY : |
9f5eb9be MS |
1361 | s = _("Moved Permanently"); |
1362 | break; | |
cb7f98ee | 1363 | case HTTP_STATUS_SEE_OTHER : |
9f5eb9be MS |
1364 | s = _("See Other"); |
1365 | break; | |
cb7f98ee | 1366 | case HTTP_STATUS_NOT_MODIFIED : |
9f5eb9be MS |
1367 | s = _("Not Modified"); |
1368 | break; | |
cb7f98ee | 1369 | case HTTP_STATUS_BAD_REQUEST : |
9f5eb9be MS |
1370 | s = _("Bad Request"); |
1371 | break; | |
cb7f98ee MS |
1372 | case HTTP_STATUS_UNAUTHORIZED : |
1373 | case HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED : | |
9f5eb9be MS |
1374 | s = _("Unauthorized"); |
1375 | break; | |
cb7f98ee | 1376 | case HTTP_STATUS_FORBIDDEN : |
9f5eb9be MS |
1377 | s = _("Forbidden"); |
1378 | break; | |
cb7f98ee | 1379 | case HTTP_STATUS_NOT_FOUND : |
9f5eb9be MS |
1380 | s = _("Not Found"); |
1381 | break; | |
cb7f98ee | 1382 | case HTTP_STATUS_REQUEST_TOO_LARGE : |
9f5eb9be MS |
1383 | s = _("Request Entity Too Large"); |
1384 | break; | |
cb7f98ee | 1385 | case HTTP_STATUS_URI_TOO_LONG : |
9f5eb9be MS |
1386 | s = _("URI Too Long"); |
1387 | break; | |
cb7f98ee | 1388 | case HTTP_STATUS_UPGRADE_REQUIRED : |
9f5eb9be MS |
1389 | s = _("Upgrade Required"); |
1390 | break; | |
cb7f98ee | 1391 | case HTTP_STATUS_NOT_IMPLEMENTED : |
9f5eb9be MS |
1392 | s = _("Not Implemented"); |
1393 | break; | |
cb7f98ee | 1394 | case HTTP_STATUS_NOT_SUPPORTED : |
9f5eb9be MS |
1395 | s = _("Not Supported"); |
1396 | break; | |
cb7f98ee | 1397 | case HTTP_STATUS_EXPECTATION_FAILED : |
9f5eb9be MS |
1398 | s = _("Expectation Failed"); |
1399 | break; | |
cb7f98ee | 1400 | case HTTP_STATUS_SERVICE_UNAVAILABLE : |
9f5eb9be MS |
1401 | s = _("Service Unavailable"); |
1402 | break; | |
cb7f98ee | 1403 | case HTTP_STATUS_SERVER_ERROR : |
94da7e34 MS |
1404 | s = _("Internal Server Error"); |
1405 | break; | |
cb7f98ee | 1406 | case HTTP_STATUS_CUPS_PKI_ERROR : |
7cf5915e MS |
1407 | s = _("SSL/TLS Negotiation Error"); |
1408 | break; | |
cb7f98ee | 1409 | case HTTP_STATUS_CUPS_WEBIF_DISABLED : |
229681c1 MS |
1410 | s = _("Web Interface is Disabled"); |
1411 | break; | |
b423cd4c | 1412 | |
ef416fc2 | 1413 | default : |
9f5eb9be MS |
1414 | s = _("Unknown"); |
1415 | break; | |
ef416fc2 | 1416 | } |
9f5eb9be | 1417 | |
41e6c1f1 MS |
1418 | return (_cupsLangString(lang, s)); |
1419 | } | |
1420 | ||
1421 | ||
1422 | /* | |
1423 | * 'httpStatus()' - Return a short string describing a HTTP status code. | |
1424 | * | |
1425 | * The returned string is localized to the current POSIX locale and is based | |
98d88c8d | 1426 | * on the status strings defined in RFC 7231. |
41e6c1f1 MS |
1427 | */ |
1428 | ||
1429 | const char * /* O - Localized status string */ | |
1430 | httpStatus(http_status_t status) /* I - HTTP status code */ | |
1431 | { | |
1432 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
1433 | ||
1434 | ||
1435 | if (!cg->lang_default) | |
1436 | cg->lang_default = cupsLangDefault(); | |
1437 | ||
1438 | return (_httpStatus(cg->lang_default, status)); | |
ef416fc2 | 1439 | } |
1440 | ||
7e86f2f6 MS |
1441 | /* |
1442 | * 'httpURIStatusString()' - Return a string describing a URI status code. | |
1443 | * | |
e1f19878 | 1444 | * @since CUPS 2.0/OS 10.10@ |
7e86f2f6 MS |
1445 | */ |
1446 | ||
1447 | const char * /* O - Localized status string */ | |
1448 | httpURIStatusString( | |
1449 | http_uri_status_t status) /* I - URI status code */ | |
1450 | { | |
1451 | const char *s; /* Status string */ | |
1452 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
1453 | ||
1454 | ||
1455 | if (!cg->lang_default) | |
1456 | cg->lang_default = cupsLangDefault(); | |
1457 | ||
1458 | switch (status) | |
1459 | { | |
1460 | case HTTP_URI_STATUS_OVERFLOW : | |
1461 | s = _("URI too large"); | |
1462 | break; | |
1463 | case HTTP_URI_STATUS_BAD_ARGUMENTS : | |
1464 | s = _("Bad arguments to function"); | |
1465 | break; | |
1466 | case HTTP_URI_STATUS_BAD_RESOURCE : | |
1467 | s = _("Bad resource in URI"); | |
1468 | break; | |
1469 | case HTTP_URI_STATUS_BAD_PORT : | |
1470 | s = _("Bad port number in URI"); | |
1471 | break; | |
1472 | case HTTP_URI_STATUS_BAD_HOSTNAME : | |
1473 | s = _("Bad hostname/address in URI"); | |
1474 | break; | |
1475 | case HTTP_URI_STATUS_BAD_USERNAME : | |
1476 | s = _("Bad username in URI"); | |
1477 | break; | |
1478 | case HTTP_URI_STATUS_BAD_SCHEME : | |
1479 | s = _("Bad scheme in URI"); | |
1480 | break; | |
1481 | case HTTP_URI_STATUS_BAD_URI : | |
1482 | s = _("Bad/empty URI"); | |
1483 | break; | |
1484 | case HTTP_URI_STATUS_OK : | |
1485 | s = _("OK"); | |
1486 | break; | |
1487 | case HTTP_URI_STATUS_MISSING_SCHEME : | |
1488 | s = _("Missing scheme in URI"); | |
1489 | break; | |
1490 | case HTTP_URI_STATUS_UNKNOWN_SCHEME : | |
1491 | s = _("Unknown scheme in URI"); | |
1492 | break; | |
1493 | case HTTP_URI_STATUS_MISSING_RESOURCE : | |
1494 | s = _("Missing resource in URI"); | |
1495 | break; | |
1496 | ||
1497 | default: | |
1498 | s = _("Unknown"); | |
1499 | break; | |
1500 | } | |
1501 | ||
1502 | return (_cupsLangString(cg->lang_default, s)); | |
1503 | } | |
1504 | ||
ef416fc2 | 1505 | |
1506 | #ifndef HAVE_HSTRERROR | |
1507 | /* | |
eac3a0a0 | 1508 | * '_cups_hstrerror()' - hstrerror() emulation function for Solaris and others. |
ef416fc2 | 1509 | */ |
1510 | ||
1511 | const char * /* O - Error string */ | |
1512 | _cups_hstrerror(int error) /* I - Error number */ | |
1513 | { | |
1514 | static const char * const errors[] = /* Error strings */ | |
1515 | { | |
1516 | "OK", | |
1517 | "Host not found.", | |
1518 | "Try again.", | |
1519 | "Unrecoverable lookup error.", | |
1520 | "No data associated with name." | |
1521 | }; | |
1522 | ||
1523 | ||
1524 | if (error < 0 || error > 4) | |
1525 | return ("Unknown hostname lookup error."); | |
1526 | else | |
1527 | return (errors[error]); | |
1528 | } | |
1529 | #endif /* !HAVE_HSTRERROR */ | |
1530 | ||
1531 | ||
1106b00e MS |
1532 | /* |
1533 | * '_httpDecodeURI()' - Percent-decode a HTTP request URI. | |
1534 | */ | |
1535 | ||
1536 | char * /* O - Decoded URI or NULL on error */ | |
1537 | _httpDecodeURI(char *dst, /* I - Destination buffer */ | |
1538 | const char *src, /* I - Source URI */ | |
1539 | size_t dstsize) /* I - Size of destination buffer */ | |
1540 | { | |
1541 | if (http_copy_decode(dst, src, (int)dstsize, NULL, 1)) | |
1542 | return (dst); | |
1543 | else | |
1544 | return (NULL); | |
1545 | } | |
1546 | ||
1547 | ||
839a51c8 MS |
1548 | /* |
1549 | * '_httpEncodeURI()' - Percent-encode a HTTP request URI. | |
1550 | */ | |
1551 | ||
1552 | char * /* O - Encoded URI */ | |
1553 | _httpEncodeURI(char *dst, /* I - Destination buffer */ | |
1554 | const char *src, /* I - Source URI */ | |
1555 | size_t dstsize) /* I - Size of destination buffer */ | |
1556 | { | |
1557 | http_copy_encode(dst, src, dst + dstsize - 1, NULL, NULL, 1); | |
1558 | return (dst); | |
1559 | } | |
1560 | ||
1561 | ||
5eb9da71 MS |
1562 | /* |
1563 | * '_httpResolveURI()' - Resolve a DNS-SD URI. | |
1564 | */ | |
1565 | ||
1566 | const char * /* O - Resolved URI */ | |
1567 | _httpResolveURI( | |
1568 | const char *uri, /* I - DNS-SD URI */ | |
1569 | char *resolved_uri, /* I - Buffer for resolved URI */ | |
1f0275e3 | 1570 | size_t resolved_size, /* I - Size of URI buffer */ |
eac3a0a0 | 1571 | int options, /* I - Resolve options */ |
07ed0e9a MS |
1572 | int (*cb)(void *context), /* I - Continue callback function */ |
1573 | void *context) /* I - Context pointer for callback */ | |
5eb9da71 MS |
1574 | { |
1575 | char scheme[32], /* URI components... */ | |
1576 | userpass[256], | |
1577 | hostname[1024], | |
1578 | resource[1024]; | |
1579 | int port; | |
b19ccc9e | 1580 | #ifdef DEBUG |
1f0275e3 | 1581 | http_uri_status_t status; /* URI decode status */ |
b19ccc9e | 1582 | #endif /* DEBUG */ |
5eb9da71 MS |
1583 | |
1584 | ||
807315e6 | 1585 | 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 | 1586 | |
5eb9da71 MS |
1587 | /* |
1588 | * Get the device URI... | |
1589 | */ | |
1590 | ||
b19ccc9e | 1591 | #ifdef DEBUG |
1f0275e3 MS |
1592 | if ((status = httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, |
1593 | sizeof(scheme), userpass, sizeof(userpass), | |
1594 | hostname, sizeof(hostname), &port, resource, | |
cb7f98ee | 1595 | sizeof(resource))) < HTTP_URI_STATUS_OK) |
b19ccc9e MS |
1596 | #else |
1597 | if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, | |
1598 | sizeof(scheme), userpass, sizeof(userpass), | |
1599 | hostname, sizeof(hostname), &port, resource, | |
cb7f98ee | 1600 | sizeof(resource)) < HTTP_URI_STATUS_OK) |
b19ccc9e | 1601 | #endif /* DEBUG */ |
1f0275e3 | 1602 | { |
eac3a0a0 | 1603 | if (options & _HTTP_RESOLVE_STDERR) |
84315f46 | 1604 | _cupsLangPrintFilter(stderr, "ERROR", _("Bad device-uri \"%s\"."), uri); |
1f0275e3 | 1605 | |
4db7fcee MS |
1606 | DEBUG_printf(("2_httpResolveURI: httpSeparateURI returned %d!", status)); |
1607 | DEBUG_puts("2_httpResolveURI: Returning NULL"); | |
5eb9da71 | 1608 | return (NULL); |
1f0275e3 | 1609 | } |
5eb9da71 MS |
1610 | |
1611 | /* | |
1612 | * Resolve it as needed... | |
1613 | */ | |
1614 | ||
1615 | if (strstr(hostname, "._tcp")) | |
1616 | { | |
f3c17241 | 1617 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
5eb9da71 | 1618 | char *regtype, /* Pointer to type in hostname */ |
2c3f5865 MS |
1619 | *domain, /* Pointer to domain in hostname */ |
1620 | *uuid, /* Pointer to UUID in URI */ | |
1621 | *uuidend; /* Pointer to end of UUID in URI */ | |
5eb9da71 | 1622 | _http_uribuf_t uribuf; /* URI buffer */ |
f3c17241 MS |
1623 | int offline = 0; /* offline-report state set? */ |
1624 | # ifdef HAVE_DNSSD | |
1625 | # ifdef WIN32 | |
1626 | # pragma comment(lib, "dnssd.lib") | |
1627 | # endif /* WIN32 */ | |
1628 | DNSServiceRef ref, /* DNS-SD master service reference */ | |
7e86f2f6 | 1629 | domainref = NULL,/* DNS-SD service reference for domain */ |
3c218cf5 MS |
1630 | ippref = NULL, /* DNS-SD service reference for network IPP */ |
1631 | ippsref = NULL, /* DNS-SD service reference for network IPPS */ | |
f3c17241 | 1632 | localref; /* DNS-SD service reference for .local */ |
3c218cf5 | 1633 | int extrasent = 0; /* Send the domain/IPP/IPPS resolves? */ |
f3c17241 | 1634 | # ifdef HAVE_POLL |
38e73f87 | 1635 | struct pollfd polldata; /* Polling data */ |
f3c17241 | 1636 | # else /* select() */ |
6d2f911b MS |
1637 | fd_set input_set; /* Input set for select() */ |
1638 | struct timeval stimeout; /* Timeout value for select() */ | |
f3c17241 MS |
1639 | # endif /* HAVE_POLL */ |
1640 | # elif defined(HAVE_AVAHI) | |
1641 | AvahiClient *client; /* Client information */ | |
1642 | int error; /* Status */ | |
1643 | # endif /* HAVE_DNSSD */ | |
38e73f87 | 1644 | |
eac3a0a0 | 1645 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 | 1646 | fprintf(stderr, "DEBUG: Resolving \"%s\"...\n", hostname); |
5eb9da71 MS |
1647 | |
1648 | /* | |
1649 | * Separate the hostname into service name, registration type, and domain... | |
1650 | */ | |
1651 | ||
1f0275e3 MS |
1652 | for (regtype = strstr(hostname, "._tcp") - 2; |
1653 | regtype > hostname; | |
1654 | regtype --) | |
1655 | if (regtype[0] == '.' && regtype[1] == '_') | |
1656 | { | |
1657 | /* | |
1658 | * Found ._servicetype in front of ._tcp... | |
1659 | */ | |
1660 | ||
1661 | *regtype++ = '\0'; | |
1662 | break; | |
1663 | } | |
1664 | ||
1665 | if (regtype <= hostname) | |
1666 | { | |
4db7fcee | 1667 | DEBUG_puts("2_httpResolveURI: Bad hostname, returning NULL"); |
1f0275e3 MS |
1668 | return (NULL); |
1669 | } | |
5eb9da71 | 1670 | |
5eb9da71 MS |
1671 | for (domain = strchr(regtype, '.'); |
1672 | domain; | |
1673 | domain = strchr(domain + 1, '.')) | |
1674 | if (domain[1] != '_') | |
1675 | break; | |
1676 | ||
1677 | if (domain) | |
1678 | *domain++ = '\0'; | |
1679 | ||
2c3f5865 MS |
1680 | if ((uuid = strstr(resource, "?uuid=")) != NULL) |
1681 | { | |
1682 | *uuid = '\0'; | |
1683 | uuid += 6; | |
1684 | if ((uuidend = strchr(uuid, '&')) != NULL) | |
1685 | *uuidend = '\0'; | |
1686 | } | |
1687 | ||
1688 | resolved_uri[0] = '\0'; | |
1689 | ||
eac3a0a0 MS |
1690 | uribuf.buffer = resolved_uri; |
1691 | uribuf.bufsize = resolved_size; | |
1692 | uribuf.options = options; | |
5a9febac | 1693 | uribuf.resource = resource; |
2c3f5865 | 1694 | uribuf.uuid = uuid; |
5eb9da71 | 1695 | |
4db7fcee | 1696 | DEBUG_printf(("2_httpResolveURI: Resolving hostname=\"%s\", regtype=\"%s\", " |
1f0275e3 | 1697 | "domain=\"%s\"\n", hostname, regtype, domain)); |
eac3a0a0 | 1698 | if (options & _HTTP_RESOLVE_STDERR) |
1f0275e3 MS |
1699 | { |
1700 | fputs("STATE: +connecting-to-device\n", stderr); | |
38e73f87 MS |
1701 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"%s\", " |
1702 | "domain=\"local.\"...\n", hostname, regtype); | |
1f0275e3 MS |
1703 | } |
1704 | ||
38e73f87 MS |
1705 | uri = NULL; |
1706 | ||
f3c17241 | 1707 | # ifdef HAVE_DNSSD |
38e73f87 | 1708 | if (DNSServiceCreateConnection(&ref) == kDNSServiceErr_NoError) |
5eb9da71 | 1709 | { |
7e86f2f6 | 1710 | uint32_t myinterface = kDNSServiceInterfaceIndexAny; |
a469f8a5 MS |
1711 | /* Lookup on any interface */ |
1712 | ||
1713 | if (!strcmp(scheme, "ippusb")) | |
db8b865d | 1714 | myinterface = kDNSServiceInterfaceIndexLocalOnly; |
a469f8a5 | 1715 | |
38e73f87 | 1716 | localref = ref; |
3e7fe0ca | 1717 | if (DNSServiceResolve(&localref, |
db8b865d | 1718 | kDNSServiceFlagsShareConnection, myinterface, |
a469f8a5 | 1719 | hostname, regtype, "local.", http_resolve_cb, |
38e73f87 MS |
1720 | &uribuf) == kDNSServiceErr_NoError) |
1721 | { | |
acb056cb MS |
1722 | int fds; /* Number of ready descriptors */ |
1723 | time_t timeout, /* Poll timeout */ | |
3e7fe0ca MS |
1724 | start_time = time(NULL),/* Start time */ |
1725 | end_time = start_time + 90; | |
1726 | /* End time */ | |
acb056cb | 1727 | |
3e7fe0ca | 1728 | while (time(NULL) < end_time) |
38e73f87 | 1729 | { |
eac3a0a0 | 1730 | if (options & _HTTP_RESOLVE_STDERR) |
d84348da | 1731 | _cupsLangPrintFilter(stderr, "INFO", _("Looking for printer.")); |
acb056cb | 1732 | |
07ed0e9a MS |
1733 | if (cb && !(*cb)(context)) |
1734 | { | |
4db7fcee | 1735 | DEBUG_puts("2_httpResolveURI: callback returned 0 (stop)"); |
07ed0e9a MS |
1736 | break; |
1737 | } | |
1738 | ||
38e73f87 | 1739 | /* |
3e7fe0ca | 1740 | * Wakeup every 2 seconds to emit a "looking for printer" message... |
38e73f87 MS |
1741 | */ |
1742 | ||
3e7fe0ca MS |
1743 | if ((timeout = end_time - time(NULL)) > 2) |
1744 | timeout = 2; | |
acb056cb | 1745 | |
f3c17241 | 1746 | # ifdef HAVE_POLL |
38e73f87 MS |
1747 | polldata.fd = DNSServiceRefSockFD(ref); |
1748 | polldata.events = POLLIN; | |
1749 | ||
7e86f2f6 | 1750 | fds = poll(&polldata, 1, (int)(1000 * timeout)); |
acb056cb | 1751 | |
f3c17241 | 1752 | # else /* select() */ |
6d2f911b MS |
1753 | FD_ZERO(&input_set); |
1754 | FD_SET(DNSServiceRefSockFD(ref), &input_set); | |
1755 | ||
f3c17241 | 1756 | # ifdef WIN32 |
82cc1f9a | 1757 | stimeout.tv_sec = (long)timeout; |
f3c17241 | 1758 | # else |
3e7fe0ca | 1759 | stimeout.tv_sec = timeout; |
f3c17241 | 1760 | # endif /* WIN32 */ |
3e7fe0ca | 1761 | stimeout.tv_usec = 0; |
6d2f911b | 1762 | |
88f9aafc | 1763 | fds = select(DNSServiceRefSockFD(ref)+1, &input_set, NULL, NULL, |
3e7fe0ca | 1764 | &stimeout); |
f3c17241 | 1765 | # endif /* HAVE_POLL */ |
6d2f911b | 1766 | |
acb056cb MS |
1767 | if (fds < 0) |
1768 | { | |
1769 | if (errno != EINTR && errno != EAGAIN) | |
1770 | { | |
4db7fcee | 1771 | DEBUG_printf(("2_httpResolveURI: poll error: %s", strerror(errno))); |
acb056cb MS |
1772 | break; |
1773 | } | |
1774 | } | |
1775 | else if (fds == 0) | |
38e73f87 MS |
1776 | { |
1777 | /* | |
acb056cb MS |
1778 | * Wait 2 seconds for a response to the local resolve; if nothing |
1779 | * comes in, do an additional domain resolution... | |
38e73f87 MS |
1780 | */ |
1781 | ||
3c218cf5 | 1782 | if (extrasent == 0 && domain && _cups_strcasecmp(domain, "local.")) |
acb056cb | 1783 | { |
eac3a0a0 | 1784 | if (options & _HTTP_RESOLVE_STDERR) |
acb056cb MS |
1785 | fprintf(stderr, |
1786 | "DEBUG: Resolving \"%s\", regtype=\"%s\", " | |
eac3a0a0 MS |
1787 | "domain=\"%s\"...\n", hostname, regtype, |
1788 | domain ? domain : ""); | |
88f9aafc | 1789 | |
acb056cb | 1790 | domainref = ref; |
3e7fe0ca | 1791 | if (DNSServiceResolve(&domainref, |
82cc1f9a | 1792 | kDNSServiceFlagsShareConnection, |
db8b865d | 1793 | myinterface, hostname, regtype, domain, |
3e7fe0ca MS |
1794 | http_resolve_cb, |
1795 | &uribuf) == kDNSServiceErr_NoError) | |
3c218cf5 MS |
1796 | extrasent = 1; |
1797 | } | |
1798 | else if (extrasent == 0 && !strcmp(scheme, "ippusb")) | |
1799 | { | |
1800 | if (options & _HTTP_RESOLVE_STDERR) | |
1801 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"_ipps._tcp\", domain=\"local.\"...\n", hostname); | |
1802 | ||
1803 | ippsref = ref; | |
1804 | if (DNSServiceResolve(&ippsref, | |
1805 | kDNSServiceFlagsShareConnection, | |
e13ce0be MS |
1806 | kDNSServiceInterfaceIndexAny, hostname, |
1807 | "_ipps._tcp", domain, http_resolve_cb, | |
3c218cf5 MS |
1808 | &uribuf) == kDNSServiceErr_NoError) |
1809 | extrasent = 1; | |
1810 | } | |
1811 | else if (extrasent == 1 && !strcmp(scheme, "ippusb")) | |
1812 | { | |
1813 | if (options & _HTTP_RESOLVE_STDERR) | |
1814 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"_ipp._tcp\", domain=\"local.\"...\n", hostname); | |
1815 | ||
1816 | ippref = ref; | |
1817 | if (DNSServiceResolve(&ippref, | |
1818 | kDNSServiceFlagsShareConnection, | |
e13ce0be MS |
1819 | kDNSServiceInterfaceIndexAny, hostname, |
1820 | "_ipp._tcp", domain, http_resolve_cb, | |
3c218cf5 MS |
1821 | &uribuf) == kDNSServiceErr_NoError) |
1822 | extrasent = 2; | |
acb056cb | 1823 | } |
6c48a6ca MS |
1824 | |
1825 | /* | |
1826 | * If it hasn't resolved within 5 seconds set the offline-report | |
1827 | * printer-state-reason... | |
1828 | */ | |
1829 | ||
eac3a0a0 MS |
1830 | if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 && |
1831 | time(NULL) > (start_time + 5)) | |
6c48a6ca MS |
1832 | { |
1833 | fputs("STATE: +offline-report\n", stderr); | |
1834 | offline = 1; | |
1835 | } | |
38e73f87 | 1836 | } |
acb056cb MS |
1837 | else |
1838 | { | |
2c3f5865 MS |
1839 | if (DNSServiceProcessResult(ref) == kDNSServiceErr_NoError && |
1840 | resolved_uri[0]) | |
acb056cb MS |
1841 | { |
1842 | uri = resolved_uri; | |
1843 | break; | |
1844 | } | |
1845 | } | |
1846 | } | |
38e73f87 | 1847 | |
3c218cf5 MS |
1848 | if (extrasent) |
1849 | { | |
1850 | if (domainref) | |
1851 | DNSServiceRefDeallocate(domainref); | |
1852 | if (ippref) | |
1853 | DNSServiceRefDeallocate(ippref); | |
1854 | if (ippsref) | |
1855 | DNSServiceRefDeallocate(ippsref); | |
1856 | } | |
38e73f87 MS |
1857 | |
1858 | DNSServiceRefDeallocate(localref); | |
1859 | } | |
5eb9da71 MS |
1860 | |
1861 | DNSServiceRefDeallocate(ref); | |
1862 | } | |
f3c17241 MS |
1863 | # else /* HAVE_AVAHI */ |
1864 | if ((uribuf.poll = avahi_simple_poll_new()) != NULL) | |
1865 | { | |
1866 | avahi_simple_poll_set_func(uribuf.poll, http_poll_cb, NULL); | |
1867 | ||
1868 | if ((client = avahi_client_new(avahi_simple_poll_get(uribuf.poll), | |
1869 | 0, http_client_cb, | |
1870 | &uribuf, &error)) != NULL) | |
1871 | { | |
1872 | if (avahi_service_resolver_new(client, AVAHI_IF_UNSPEC, | |
1873 | AVAHI_PROTO_UNSPEC, hostname, | |
1874 | regtype, "local.", AVAHI_PROTO_UNSPEC, 0, | |
1875 | http_resolve_cb, &uribuf) != NULL) | |
1876 | { | |
1877 | time_t start_time = time(NULL), | |
1878 | /* Start time */ | |
1879 | end_time = start_time + 90; | |
1880 | /* End time */ | |
1881 | int pstatus; /* Poll status */ | |
1882 | ||
1883 | pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000); | |
1884 | ||
1885 | if (pstatus == 0 && !resolved_uri[0] && domain && | |
1886 | _cups_strcasecmp(domain, "local.")) | |
1887 | { | |
1888 | /* | |
1889 | * Resolve for .local hasn't returned anything, try the listed | |
1890 | * domain... | |
1891 | */ | |
1892 | ||
1893 | avahi_service_resolver_new(client, AVAHI_IF_UNSPEC, | |
1894 | AVAHI_PROTO_UNSPEC, hostname, | |
1895 | regtype, domain, AVAHI_PROTO_UNSPEC, 0, | |
1896 | http_resolve_cb, &uribuf); | |
1897 | } | |
1898 | ||
1899 | while (!pstatus && !resolved_uri[0] && time(NULL) < end_time) | |
1900 | { | |
1901 | if ((pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000)) != 0) | |
1902 | break; | |
1903 | ||
1904 | /* | |
1905 | * If it hasn't resolved within 5 seconds set the offline-report | |
1906 | * printer-state-reason... | |
1907 | */ | |
1908 | ||
1909 | if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 && | |
1910 | time(NULL) > (start_time + 5)) | |
1911 | { | |
1912 | fputs("STATE: +offline-report\n", stderr); | |
1913 | offline = 1; | |
1914 | } | |
1915 | } | |
1916 | ||
1917 | /* | |
1918 | * Collect the result (if we got one). | |
1919 | */ | |
1920 | ||
1921 | if (resolved_uri[0]) | |
1922 | uri = resolved_uri; | |
1923 | } | |
1924 | ||
1925 | avahi_client_free(client); | |
1926 | } | |
1927 | ||
1928 | avahi_simple_poll_free(uribuf.poll); | |
1929 | } | |
1930 | # endif /* HAVE_DNSSD */ | |
1f0275e3 | 1931 | |
eac3a0a0 | 1932 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 MS |
1933 | { |
1934 | if (uri) | |
3e7fe0ca | 1935 | { |
38e73f87 | 1936 | fprintf(stderr, "DEBUG: Resolved as \"%s\"...\n", uri); |
3e7fe0ca MS |
1937 | fputs("STATE: -connecting-to-device,offline-report\n", stderr); |
1938 | } | |
f11a948a | 1939 | else |
3e7fe0ca | 1940 | { |
4d301e69 | 1941 | fputs("DEBUG: Unable to resolve URI\n", stderr); |
3e7fe0ca MS |
1942 | fputs("STATE: -connecting-to-device\n", stderr); |
1943 | } | |
38e73f87 | 1944 | } |
1f0275e3 | 1945 | |
f3c17241 | 1946 | #else /* HAVE_DNSSD || HAVE_AVAHI */ |
1f0275e3 MS |
1947 | /* |
1948 | * No DNS-SD support... | |
1949 | */ | |
5eb9da71 MS |
1950 | |
1951 | uri = NULL; | |
f3c17241 | 1952 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
1f0275e3 | 1953 | |
eac3a0a0 | 1954 | if ((options & _HTTP_RESOLVE_STDERR) && !uri) |
a469f8a5 | 1955 | _cupsLangPrintFilter(stderr, "INFO", _("Unable to find printer.")); |
5eb9da71 | 1956 | } |
eac3a0a0 MS |
1957 | else |
1958 | { | |
1959 | /* | |
1960 | * Nothing more to do... | |
1961 | */ | |
1962 | ||
1963 | strlcpy(resolved_uri, uri, resolved_size); | |
1964 | uri = resolved_uri; | |
1965 | } | |
5eb9da71 | 1966 | |
4db7fcee | 1967 | DEBUG_printf(("2_httpResolveURI: Returning \"%s\"", uri)); |
1f0275e3 | 1968 | |
5eb9da71 MS |
1969 | return (uri); |
1970 | } | |
1971 | ||
1972 | ||
f3c17241 MS |
1973 | #ifdef HAVE_AVAHI |
1974 | /* | |
1975 | * 'http_client_cb()' - Client callback for resolving URI. | |
1976 | */ | |
1977 | ||
1978 | static void | |
1979 | http_client_cb( | |
1980 | AvahiClient *client, /* I - Client information */ | |
1981 | AvahiClientState state, /* I - Current state */ | |
1982 | void *context) /* I - Pointer to URI buffer */ | |
1983 | { | |
1984 | DEBUG_printf(("7http_client_cb(client=%p, state=%d, context=%p)", client, | |
1985 | state, context)); | |
1986 | ||
1987 | /* | |
1988 | * If the connection drops, quit. | |
1989 | */ | |
1990 | ||
1991 | if (state == AVAHI_CLIENT_FAILURE) | |
1992 | { | |
1993 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; | |
1994 | /* URI buffer */ | |
1995 | ||
1996 | avahi_simple_poll_quit(uribuf->poll); | |
1997 | } | |
1998 | } | |
1999 | #endif /* HAVE_AVAHI */ | |
2000 | ||
2001 | ||
ef416fc2 | 2002 | /* |
2003 | * 'http_copy_decode()' - Copy and decode a URI. | |
2004 | */ | |
2005 | ||
2006 | static const char * /* O - New source pointer or NULL on error */ | |
88f9aafc | 2007 | http_copy_decode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 2008 | const char *src, /* I - Source pointer */ |
2009 | int dstsize, /* I - Destination size */ | |
a4d04587 | 2010 | const char *term, /* I - Terminating characters */ |
2011 | int decode) /* I - Decode %-encoded values */ | |
ef416fc2 | 2012 | { |
2013 | char *ptr, /* Pointer into buffer */ | |
2014 | *end; /* End of buffer */ | |
2015 | int quoted; /* Quoted character */ | |
2016 | ||
2017 | ||
2018 | /* | |
2019 | * Copy the src to the destination until we hit a terminating character | |
2020 | * or the end of the string. | |
2021 | */ | |
2022 | ||
e00b005a | 2023 | for (ptr = dst, end = dst + dstsize - 1; |
2024 | *src && (!term || !strchr(term, *src)); | |
2025 | src ++) | |
ef416fc2 | 2026 | if (ptr < end) |
2027 | { | |
a4d04587 | 2028 | if (*src == '%' && decode) |
ef416fc2 | 2029 | { |
2030 | if (isxdigit(src[1] & 255) && isxdigit(src[2] & 255)) | |
2031 | { | |
2032 | /* | |
2033 | * Grab a hex-encoded character... | |
2034 | */ | |
2035 | ||
2036 | src ++; | |
2037 | if (isalpha(*src)) | |
2038 | quoted = (tolower(*src) - 'a' + 10) << 4; | |
2039 | else | |
2040 | quoted = (*src - '0') << 4; | |
2041 | ||
2042 | src ++; | |
2043 | if (isalpha(*src)) | |
2044 | quoted |= tolower(*src) - 'a' + 10; | |
2045 | else | |
2046 | quoted |= *src - '0'; | |
2047 | ||
7e86f2f6 | 2048 | *ptr++ = (char)quoted; |
ef416fc2 | 2049 | } |
2050 | else | |
2051 | { | |
2052 | /* | |
2053 | * Bad hex-encoded character... | |
2054 | */ | |
2055 | ||
2056 | *ptr = '\0'; | |
2057 | return (NULL); | |
2058 | } | |
2059 | } | |
6961465f MS |
2060 | else if ((*src & 255) <= 0x20 || (*src & 255) >= 0x7f) |
2061 | { | |
2062 | *ptr = '\0'; | |
2063 | return (NULL); | |
2064 | } | |
ef416fc2 | 2065 | else |
2066 | *ptr++ = *src; | |
2067 | } | |
2068 | ||
2069 | *ptr = '\0'; | |
2070 | ||
2071 | return (src); | |
2072 | } | |
2073 | ||
2074 | ||
2075 | /* | |
2076 | * 'http_copy_encode()' - Copy and encode a URI. | |
2077 | */ | |
2078 | ||
2079 | static char * /* O - End of current URI */ | |
88f9aafc | 2080 | http_copy_encode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 2081 | const char *src, /* I - Source pointer */ |
2082 | char *dstend, /* I - End of destination buffer */ | |
a4d04587 | 2083 | const char *reserved, /* I - Extra reserved characters */ |
2084 | const char *term, /* I - Terminating characters */ | |
2085 | int encode) /* I - %-encode reserved chars? */ | |
ef416fc2 | 2086 | { |
ac884b6a | 2087 | static const char hex[] = "0123456789ABCDEF"; |
ef416fc2 | 2088 | |
2089 | ||
2090 | while (*src && dst < dstend) | |
2091 | { | |
a4d04587 | 2092 | if (term && *src == *term) |
2093 | return (dst); | |
2094 | ||
2095 | if (encode && (*src == '%' || *src <= ' ' || *src & 128 || | |
2096 | (reserved && strchr(reserved, *src)))) | |
ef416fc2 | 2097 | { |
2098 | /* | |
2099 | * Hex encode reserved characters... | |
2100 | */ | |
2101 | ||
2102 | if ((dst + 2) >= dstend) | |
2103 | break; | |
2104 | ||
2105 | *dst++ = '%'; | |
2106 | *dst++ = hex[(*src >> 4) & 15]; | |
2107 | *dst++ = hex[*src & 15]; | |
2108 | ||
2109 | src ++; | |
2110 | } | |
2111 | else | |
2112 | *dst++ = *src++; | |
2113 | } | |
2114 | ||
839a51c8 MS |
2115 | *dst = '\0'; |
2116 | ||
ef416fc2 | 2117 | if (*src) |
2118 | return (NULL); | |
2119 | else | |
2120 | return (dst); | |
2121 | } | |
2122 | ||
2123 | ||
5eb9da71 MS |
2124 | #ifdef HAVE_DNSSD |
2125 | /* | |
eac3a0a0 | 2126 | * 'http_resolve_cb()' - Build a device URI for the given service name. |
5eb9da71 MS |
2127 | */ |
2128 | ||
6d2f911b | 2129 | static void DNSSD_API |
eac3a0a0 | 2130 | http_resolve_cb( |
5eb9da71 MS |
2131 | DNSServiceRef sdRef, /* I - Service reference */ |
2132 | DNSServiceFlags flags, /* I - Results flags */ | |
2133 | uint32_t interfaceIndex, /* I - Interface number */ | |
2134 | DNSServiceErrorType errorCode, /* I - Error, if any */ | |
2135 | const char *fullName, /* I - Full service name */ | |
2136 | const char *hostTarget, /* I - Hostname */ | |
2137 | uint16_t port, /* I - Port number */ | |
2138 | uint16_t txtLen, /* I - Length of TXT record */ | |
2139 | const unsigned char *txtRecord, /* I - TXT record data */ | |
2140 | void *context) /* I - Pointer to URI buffer */ | |
2141 | { | |
f3c17241 MS |
2142 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; |
2143 | /* URI buffer */ | |
eac3a0a0 | 2144 | const char *scheme, /* URI scheme */ |
f3c17241 MS |
2145 | *hostptr, /* Pointer into hostTarget */ |
2146 | *reskey, /* "rp" or "rfo" */ | |
2147 | *resdefault; /* Default path */ | |
2148 | char resource[257], /* Remote path */ | |
eac3a0a0 | 2149 | fqdn[256]; /* FQDN of the .local name */ |
5eb9da71 MS |
2150 | const void *value; /* Value from TXT record */ |
2151 | uint8_t valueLen; /* Length of value */ | |
5eb9da71 MS |
2152 | |
2153 | ||
807315e6 | 2154 | 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 | 2155 | |
2c3f5865 MS |
2156 | /* |
2157 | * If we have a UUID, compare it... | |
2158 | */ | |
2159 | ||
2160 | if (uribuf->uuid && | |
2161 | (value = TXTRecordGetValuePtr(txtLen, txtRecord, "UUID", | |
2162 | &valueLen)) != NULL) | |
2163 | { | |
2164 | char uuid[256]; /* UUID value */ | |
2165 | ||
2166 | memcpy(uuid, value, valueLen); | |
2167 | uuid[valueLen] = '\0'; | |
2168 | ||
2169 | if (_cups_strcasecmp(uuid, uribuf->uuid)) | |
2170 | { | |
2171 | if (uribuf->options & _HTTP_RESOLVE_STDERR) | |
2c3f5865 MS |
2172 | fprintf(stderr, "DEBUG: Found UUID %s, looking for %s.", uuid, |
2173 | uribuf->uuid); | |
2c3f5865 | 2174 | |
4db7fcee | 2175 | DEBUG_printf(("5http_resolve_cb: Found UUID %s, looking for %s.", uuid, |
2c3f5865 MS |
2176 | uribuf->uuid)); |
2177 | return; | |
2178 | } | |
2179 | } | |
2180 | ||
5eb9da71 MS |
2181 | /* |
2182 | * Figure out the scheme from the full name... | |
2183 | */ | |
2184 | ||
eac3a0a0 MS |
2185 | if (strstr(fullName, "._ipps") || strstr(fullName, "._ipp-tls")) |
2186 | scheme = "ipps"; | |
2187 | else if (strstr(fullName, "._ipp") || strstr(fullName, "._fax-ipp")) | |
5eb9da71 | 2188 | scheme = "ipp"; |
eac3a0a0 MS |
2189 | else if (strstr(fullName, "._http.")) |
2190 | scheme = "http"; | |
2191 | else if (strstr(fullName, "._https.")) | |
2192 | scheme = "https"; | |
5eb9da71 MS |
2193 | else if (strstr(fullName, "._printer.")) |
2194 | scheme = "lpd"; | |
2195 | else if (strstr(fullName, "._pdl-datastream.")) | |
2196 | scheme = "socket"; | |
2197 | else | |
2198 | scheme = "riousbprint"; | |
2199 | ||
2200 | /* | |
2201 | * Extract the "remote printer" key from the TXT record... | |
2202 | */ | |
2203 | ||
f3c17241 | 2204 | if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) && |
0d4d48ad MS |
2205 | (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2206 | !TXTRecordGetValuePtr(txtLen, txtRecord, "printer-type", &valueLen)) | |
f3c17241 MS |
2207 | { |
2208 | reskey = "rfo"; | |
2209 | resdefault = "/ipp/faxout"; | |
2210 | } | |
2211 | else | |
2212 | { | |
2213 | reskey = "rp"; | |
2214 | resdefault = "/"; | |
2215 | } | |
2216 | ||
2217 | if ((value = TXTRecordGetValuePtr(txtLen, txtRecord, reskey, | |
5eb9da71 | 2218 | &valueLen)) != NULL) |
9b66acc5 MS |
2219 | { |
2220 | if (((char *)value)[0] == '/') | |
2221 | { | |
2222 | /* | |
f3c17241 | 2223 | * Value (incorrectly) has a leading slash already... |
9b66acc5 MS |
2224 | */ |
2225 | ||
f3c17241 MS |
2226 | memcpy(resource, value, valueLen); |
2227 | resource[valueLen] = '\0'; | |
9b66acc5 MS |
2228 | } |
2229 | else | |
2230 | { | |
2231 | /* | |
2232 | * Convert to resource by concatenating with a leading "/"... | |
2233 | */ | |
2234 | ||
f3c17241 MS |
2235 | resource[0] = '/'; |
2236 | memcpy(resource + 1, value, valueLen); | |
2237 | resource[valueLen + 1] = '\0'; | |
9b66acc5 MS |
2238 | } |
2239 | } | |
2240 | else | |
5eb9da71 MS |
2241 | { |
2242 | /* | |
f3c17241 | 2243 | * Use the default value... |
5eb9da71 MS |
2244 | */ |
2245 | ||
f3c17241 | 2246 | strlcpy(resource, resdefault, sizeof(resource)); |
5eb9da71 | 2247 | } |
5eb9da71 MS |
2248 | |
2249 | /* | |
eac3a0a0 | 2250 | * Lookup the FQDN if needed... |
5eb9da71 MS |
2251 | */ |
2252 | ||
eac3a0a0 MS |
2253 | if ((uribuf->options & _HTTP_RESOLVE_FQDN) && |
2254 | (hostptr = hostTarget + strlen(hostTarget) - 7) > hostTarget && | |
88f9aafc | 2255 | !_cups_strcasecmp(hostptr, ".local.")) |
eac3a0a0 MS |
2256 | { |
2257 | /* | |
2258 | * OK, we got a .local name but the caller needs a real domain. Start by | |
2259 | * getting the IP address of the .local name and then do reverse-lookups... | |
2260 | */ | |
2261 | ||
2262 | http_addrlist_t *addrlist, /* List of addresses */ | |
2263 | *addr; /* Current address */ | |
2264 | ||
4db7fcee | 2265 | DEBUG_printf(("5http_resolve_cb: Looking up \"%s\".", hostTarget)); |
eac3a0a0 MS |
2266 | |
2267 | snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port)); | |
2268 | if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL) | |
2269 | { | |
2270 | for (addr = addrlist; addr; addr = addr->next) | |
2271 | { | |
7e86f2f6 | 2272 | int error = getnameinfo(&(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr)), fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD); |
eac3a0a0 MS |
2273 | |
2274 | if (!error) | |
2275 | { | |
4db7fcee | 2276 | DEBUG_printf(("5http_resolve_cb: Found \"%s\".", fqdn)); |
eac3a0a0 MS |
2277 | |
2278 | if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn || | |
88f9aafc | 2279 | _cups_strcasecmp(hostptr, ".local")) |
eac3a0a0 MS |
2280 | { |
2281 | hostTarget = fqdn; | |
2282 | break; | |
2283 | } | |
2284 | } | |
2285 | #ifdef DEBUG | |
2286 | else | |
4db7fcee | 2287 | DEBUG_printf(("5http_resolve_cb: \"%s\" did not resolve: %d", |
eac3a0a0 MS |
2288 | httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)), |
2289 | error)); | |
2290 | #endif /* DEBUG */ | |
2291 | } | |
0fa6c7fa MS |
2292 | |
2293 | httpAddrFreeList(addrlist); | |
eac3a0a0 MS |
2294 | } |
2295 | } | |
2296 | ||
2297 | /* | |
2298 | * Assemble the final device URI... | |
2299 | */ | |
5eb9da71 | 2300 | |
5a9febac MS |
2301 | if ((!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2302 | !strcmp(uribuf->resource, "/cups")) | |
7e86f2f6 | 2303 | httpAssembleURIf(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, NULL, hostTarget, ntohs(port), "%s?snmp=false", resource); |
5a9febac | 2304 | else |
7e86f2f6 | 2305 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, NULL, hostTarget, ntohs(port), resource); |
5eb9da71 | 2306 | |
4db7fcee | 2307 | DEBUG_printf(("5http_resolve_cb: Resolved URI is \"%s\"...", uribuf->buffer)); |
5eb9da71 | 2308 | } |
f3c17241 MS |
2309 | |
2310 | #elif defined(HAVE_AVAHI) | |
2311 | /* | |
2312 | * 'http_poll_cb()' - Wait for input on the specified file descriptors. | |
2313 | * | |
2314 | * Note: This function is needed because avahi_simple_poll_iterate is broken | |
2315 | * and always uses a timeout of 0 (!) milliseconds. | |
2316 | * (Avahi Ticket #364) | |
53af7f21 MS |
2317 | * |
2318 | * @private@ | |
f3c17241 MS |
2319 | */ |
2320 | ||
2321 | static int /* O - Number of file descriptors matching */ | |
2322 | http_poll_cb( | |
2323 | struct pollfd *pollfds, /* I - File descriptors */ | |
2324 | unsigned int num_pollfds, /* I - Number of file descriptors */ | |
2325 | int timeout, /* I - Timeout in milliseconds (used) */ | |
2326 | void *context) /* I - User data (unused) */ | |
2327 | { | |
2328 | (void)timeout; | |
2329 | (void)context; | |
2330 | ||
2331 | return (poll(pollfds, num_pollfds, 2000)); | |
2332 | } | |
2333 | ||
2334 | ||
2335 | /* | |
2336 | * 'http_resolve_cb()' - Build a device URI for the given service name. | |
2337 | */ | |
2338 | ||
2339 | static void | |
2340 | http_resolve_cb( | |
2341 | AvahiServiceResolver *resolver, /* I - Resolver (unused) */ | |
2342 | AvahiIfIndex interface, /* I - Interface index (unused) */ | |
2343 | AvahiProtocol protocol, /* I - Network protocol (unused) */ | |
2344 | AvahiResolverEvent event, /* I - Event (found, etc.) */ | |
2345 | const char *name, /* I - Service name */ | |
2346 | const char *type, /* I - Registration type */ | |
2347 | const char *domain, /* I - Domain (unused) */ | |
2348 | const char *hostTarget, /* I - Hostname */ | |
2349 | const AvahiAddress *address, /* I - Address (unused) */ | |
2350 | uint16_t port, /* I - Port number */ | |
2351 | AvahiStringList *txt, /* I - TXT record */ | |
2352 | AvahiLookupResultFlags flags, /* I - Lookup flags (unused) */ | |
2353 | void *context) /* I - Pointer to URI buffer */ | |
2354 | { | |
2355 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; | |
2356 | /* URI buffer */ | |
2357 | const char *scheme, /* URI scheme */ | |
2358 | *hostptr, /* Pointer into hostTarget */ | |
2359 | *reskey, /* "rp" or "rfo" */ | |
2360 | *resdefault; /* Default path */ | |
2361 | char resource[257], /* Remote path */ | |
2362 | fqdn[256]; /* FQDN of the .local name */ | |
2363 | AvahiStringList *pair; /* Current TXT record key/value pair */ | |
2364 | char *value; /* Value for "rp" key */ | |
2365 | size_t valueLen = 0; /* Length of "rp" key */ | |
2366 | ||
2367 | ||
4db7fcee | 2368 | DEBUG_printf(("4http_resolve_cb(resolver=%p, " |
f3c17241 MS |
2369 | "interface=%d, protocol=%d, event=%d, name=\"%s\", " |
2370 | "type=\"%s\", domain=\"%s\", hostTarget=\"%s\", address=%p, " | |
2371 | "port=%d, txt=%p, flags=%d, context=%p)", | |
2372 | resolver, interface, protocol, event, name, type, domain, | |
2373 | hostTarget, address, port, txt, flags, context)); | |
2374 | ||
2375 | if (event != AVAHI_RESOLVER_FOUND) | |
2376 | { | |
2377 | avahi_service_resolver_free(resolver); | |
2378 | avahi_simple_poll_quit(uribuf->poll); | |
2379 | return; | |
2380 | } | |
2381 | ||
2c3f5865 MS |
2382 | /* |
2383 | * If we have a UUID, compare it... | |
2384 | */ | |
2385 | ||
2386 | if (uribuf->uuid && (pair = avahi_string_list_find(txt, "UUID")) != NULL) | |
2387 | { | |
2388 | char uuid[256]; /* UUID value */ | |
2389 | ||
2390 | avahi_string_list_get_pair(pair, NULL, &value, &valueLen); | |
2391 | ||
2392 | memcpy(uuid, value, valueLen); | |
2393 | uuid[valueLen] = '\0'; | |
2394 | ||
2395 | if (_cups_strcasecmp(uuid, uribuf->uuid)) | |
2396 | { | |
2397 | if (uribuf->options & _HTTP_RESOLVE_STDERR) | |
2c3f5865 MS |
2398 | fprintf(stderr, "DEBUG: Found UUID %s, looking for %s.", uuid, |
2399 | uribuf->uuid); | |
2c3f5865 | 2400 | |
4db7fcee | 2401 | DEBUG_printf(("5http_resolve_cb: Found UUID %s, looking for %s.", uuid, |
2c3f5865 MS |
2402 | uribuf->uuid)); |
2403 | return; | |
2404 | } | |
2405 | } | |
2406 | ||
f3c17241 MS |
2407 | /* |
2408 | * Figure out the scheme from the full name... | |
2409 | */ | |
2410 | ||
2411 | if (strstr(type, "_ipp.")) | |
2412 | scheme = "ipp"; | |
2413 | else if (strstr(type, "_printer.")) | |
2414 | scheme = "lpd"; | |
2415 | else if (strstr(type, "_pdl-datastream.")) | |
2416 | scheme = "socket"; | |
2417 | else | |
2418 | scheme = "riousbprint"; | |
2419 | ||
2420 | if (!strncmp(type, "_ipps.", 6) || !strncmp(type, "_ipp-tls.", 9)) | |
2421 | scheme = "ipps"; | |
2422 | else if (!strncmp(type, "_ipp.", 5) || !strncmp(type, "_fax-ipp.", 9)) | |
2423 | scheme = "ipp"; | |
2424 | else if (!strncmp(type, "_http.", 6)) | |
2425 | scheme = "http"; | |
2426 | else if (!strncmp(type, "_https.", 7)) | |
2427 | scheme = "https"; | |
2428 | else if (!strncmp(type, "_printer.", 9)) | |
2429 | scheme = "lpd"; | |
2430 | else if (!strncmp(type, "_pdl-datastream.", 16)) | |
2431 | scheme = "socket"; | |
2432 | else | |
2433 | { | |
2434 | avahi_service_resolver_free(resolver); | |
2435 | avahi_simple_poll_quit(uribuf->poll); | |
2436 | return; | |
2437 | } | |
2438 | ||
2439 | /* | |
2440 | * Extract the remote resource key from the TXT record... | |
2441 | */ | |
2442 | ||
2443 | if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) && | |
2c3f5865 MS |
2444 | (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2445 | !avahi_string_list_find(txt, "printer-type")) | |
f3c17241 MS |
2446 | { |
2447 | reskey = "rfo"; | |
2448 | resdefault = "/ipp/faxout"; | |
2449 | } | |
2450 | else | |
2451 | { | |
2452 | reskey = "rp"; | |
2453 | resdefault = "/"; | |
2454 | } | |
2455 | ||
2456 | if ((pair = avahi_string_list_find(txt, reskey)) != NULL) | |
2457 | { | |
2458 | avahi_string_list_get_pair(pair, NULL, &value, &valueLen); | |
2459 | ||
2460 | if (value[0] == '/') | |
2461 | { | |
2462 | /* | |
2463 | * Value (incorrectly) has a leading slash already... | |
2464 | */ | |
2465 | ||
2466 | memcpy(resource, value, valueLen); | |
2467 | resource[valueLen] = '\0'; | |
2468 | } | |
2469 | else | |
2470 | { | |
2471 | /* | |
2472 | * Convert to resource by concatenating with a leading "/"... | |
2473 | */ | |
2474 | ||
2475 | resource[0] = '/'; | |
2476 | memcpy(resource + 1, value, valueLen); | |
2477 | resource[valueLen + 1] = '\0'; | |
2478 | } | |
2479 | } | |
2480 | else | |
2481 | { | |
2482 | /* | |
2483 | * Use the default value... | |
2484 | */ | |
2485 | ||
2486 | strlcpy(resource, resdefault, sizeof(resource)); | |
2487 | } | |
2488 | ||
2489 | /* | |
2490 | * Lookup the FQDN if needed... | |
2491 | */ | |
2492 | ||
2493 | if ((uribuf->options & _HTTP_RESOLVE_FQDN) && | |
2494 | (hostptr = hostTarget + strlen(hostTarget) - 6) > hostTarget && | |
2495 | !_cups_strcasecmp(hostptr, ".local")) | |
2496 | { | |
2497 | /* | |
2498 | * OK, we got a .local name but the caller needs a real domain. Start by | |
2499 | * getting the IP address of the .local name and then do reverse-lookups... | |
2500 | */ | |
2501 | ||
2502 | http_addrlist_t *addrlist, /* List of addresses */ | |
2503 | *addr; /* Current address */ | |
2504 | ||
4db7fcee | 2505 | DEBUG_printf(("5http_resolve_cb: Looking up \"%s\".", hostTarget)); |
f3c17241 MS |
2506 | |
2507 | snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port)); | |
2508 | if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL) | |
2509 | { | |
2510 | for (addr = addrlist; addr; addr = addr->next) | |
2511 | { | |
07623986 | 2512 | int error = getnameinfo(&(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr)), fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD); |
f3c17241 MS |
2513 | |
2514 | if (!error) | |
2515 | { | |
4db7fcee | 2516 | DEBUG_printf(("5http_resolve_cb: Found \"%s\".", fqdn)); |
f3c17241 MS |
2517 | |
2518 | if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn || | |
2519 | _cups_strcasecmp(hostptr, ".local")) | |
2520 | { | |
2521 | hostTarget = fqdn; | |
2522 | break; | |
2523 | } | |
2524 | } | |
2525 | #ifdef DEBUG | |
2526 | else | |
4db7fcee | 2527 | DEBUG_printf(("5http_resolve_cb: \"%s\" did not resolve: %d", |
f3c17241 MS |
2528 | httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)), |
2529 | error)); | |
2530 | #endif /* DEBUG */ | |
2531 | } | |
0fa6c7fa MS |
2532 | |
2533 | httpAddrFreeList(addrlist); | |
f3c17241 MS |
2534 | } |
2535 | } | |
2536 | ||
2537 | /* | |
2538 | * Assemble the final device URI using the resolved hostname... | |
2539 | */ | |
2540 | ||
329cfeb0 | 2541 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, |
f3c17241 | 2542 | NULL, hostTarget, port, resource); |
4db7fcee | 2543 | DEBUG_printf(("5http_resolve_cb: Resolved URI is \"%s\".", uribuf->buffer)); |
f3c17241 MS |
2544 | |
2545 | avahi_simple_poll_quit(uribuf->poll); | |
2546 | } | |
5eb9da71 | 2547 | #endif /* HAVE_DNSSD */ |