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ef416fc2 | 1 | /* |
b19ccc9e | 2 | * "$Id: http-support.c 7952 2008-09-17 00:56:20Z mike $" |
ef416fc2 | 3 | * |
71e16022 | 4 | * HTTP support routines for CUPS. |
ef416fc2 | 5 | * |
84315f46 | 6 | * Copyright 2007-2011 by Apple Inc. |
b86bc4cf | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 10 | * property of Apple Inc. and are protected by Federal copyright |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 14 | * |
15 | * This file is subject to the Apple OS-Developed Software exception. | |
16 | * | |
17 | * Contents: | |
18 | * | |
19 | * httpAssembleURI() - Assemble a uniform resource identifier from its | |
20 | * components. | |
21 | * httpAssembleURIf() - Assemble a uniform resource identifier from its | |
22 | * components with a formatted resource. | |
07ed0e9a | 23 | * _httpAssembleUUID() - Make a UUID URI conforming to RFC 4122. |
ef416fc2 | 24 | * httpDecode64() - Base64-decode a string. |
25 | * httpDecode64_2() - Base64-decode a string. | |
26 | * httpEncode64() - Base64-encode a string. | |
27 | * httpEncode64_2() - Base64-encode a string. | |
28 | * httpGetDateString() - Get a formatted date/time string from a time value. | |
29 | * httpGetDateString2() - Get a formatted date/time string from a time value. | |
30 | * httpGetDateTime() - Get a time value from a formatted date/time string. | |
31 | * httpSeparate() - Separate a Universal Resource Identifier into its | |
32 | * components. | |
33 | * httpSeparate2() - Separate a Universal Resource Identifier into its | |
34 | * components. | |
35 | * httpSeparateURI() - Separate a Universal Resource Identifier into its | |
36 | * components. | |
37 | * httpStatus() - Return a short string describing a HTTP status code. | |
38 | * _cups_hstrerror() - hstrerror() emulation function for Solaris and | |
eac3a0a0 | 39 | * others. |
1106b00e | 40 | * _httpDecodeURI() - Percent-decode a HTTP request URI. |
839a51c8 | 41 | * _httpEncodeURI() - Percent-encode a HTTP request URI. |
5eb9da71 | 42 | * _httpResolveURI() - Resolve a DNS-SD URI. |
ef416fc2 | 43 | * http_copy_decode() - Copy and decode a URI. |
44 | * http_copy_encode() - Copy and encode a URI. | |
eac3a0a0 | 45 | * http_resolve_cb() - Build a device URI for the given service name. |
ef416fc2 | 46 | */ |
47 | ||
48 | /* | |
49 | * Include necessary headers... | |
50 | */ | |
51 | ||
71e16022 | 52 | #include "cups-private.h" |
5eb9da71 MS |
53 | #ifdef HAVE_DNSSD |
54 | # include <dns_sd.h> | |
6d2f911b MS |
55 | # ifdef WIN32 |
56 | # include <io.h> | |
57 | # elif defined(HAVE_POLL) | |
58 | # include <poll.h> | |
59 | # else | |
60 | # include <sys/select.h> | |
61 | # endif /* WIN32 */ | |
5eb9da71 MS |
62 | #endif /* HAVE_DNSSD */ |
63 | ||
64 | ||
65 | /* | |
66 | * Local types... | |
67 | */ | |
68 | ||
69 | typedef struct _http_uribuf_s /* URI buffer */ | |
70 | { | |
71 | char *buffer; /* Pointer to buffer */ | |
72 | size_t bufsize; /* Size of buffer */ | |
eac3a0a0 | 73 | int options; /* Options passed to _httpResolveURI */ |
5eb9da71 | 74 | } _http_uribuf_t; |
ef416fc2 | 75 | |
76 | ||
77 | /* | |
78 | * Local globals... | |
79 | */ | |
80 | ||
81 | static const char * const http_days[7] = | |
82 | { | |
0a682745 MS |
83 | "Sun", |
84 | "Mon", | |
ef416fc2 | 85 | "Tue", |
86 | "Wed", | |
87 | "Thu", | |
88 | "Fri", | |
89 | "Sat" | |
90 | }; | |
91 | static const char * const http_months[12] = | |
92 | { | |
93 | "Jan", | |
94 | "Feb", | |
95 | "Mar", | |
96 | "Apr", | |
97 | "May", | |
98 | "Jun", | |
99 | "Jul", | |
100 | "Aug", | |
101 | "Sep", | |
102 | "Oct", | |
103 | "Nov", | |
104 | "Dec" | |
105 | }; | |
106 | ||
107 | ||
108 | /* | |
109 | * Local functions... | |
110 | */ | |
111 | ||
112 | static const char *http_copy_decode(char *dst, const char *src, | |
a4d04587 | 113 | int dstsize, const char *term, |
114 | int decode); | |
ef416fc2 | 115 | static char *http_copy_encode(char *dst, const char *src, |
a4d04587 | 116 | char *dstend, const char *reserved, |
117 | const char *term, int encode); | |
5eb9da71 | 118 | #ifdef HAVE_DNSSD |
eac3a0a0 MS |
119 | static void DNSSD_API http_resolve_cb(DNSServiceRef sdRef, |
120 | DNSServiceFlags flags, | |
121 | uint32_t interfaceIndex, | |
122 | DNSServiceErrorType errorCode, | |
123 | const char *fullName, | |
124 | const char *hostTarget, | |
125 | uint16_t port, uint16_t txtLen, | |
126 | const unsigned char *txtRecord, | |
127 | void *context); | |
5eb9da71 | 128 | #endif /* HAVE_DNSSD */ |
ef416fc2 | 129 | |
130 | ||
131 | /* | |
132 | * 'httpAssembleURI()' - Assemble a uniform resource identifier from its | |
133 | * components. | |
134 | * | |
ecdc0628 | 135 | * This function escapes reserved characters in the URI depending on the |
136 | * value of the "encoding" argument. You should use this function in | |
137 | * place of traditional string functions whenever you need to create a | |
138 | * URI string. | |
ef416fc2 | 139 | * |
426c6a59 | 140 | * @since CUPS 1.2/Mac OS X 10.5@ |
ef416fc2 | 141 | */ |
142 | ||
143 | http_uri_status_t /* O - URI status */ | |
a4d04587 | 144 | httpAssembleURI( |
145 | http_uri_coding_t encoding, /* I - Encoding flags */ | |
146 | char *uri, /* I - URI buffer */ | |
147 | int urilen, /* I - Size of URI buffer */ | |
148 | const char *scheme, /* I - Scheme name */ | |
149 | const char *username, /* I - Username */ | |
150 | const char *host, /* I - Hostname or address */ | |
151 | int port, /* I - Port number */ | |
152 | const char *resource) /* I - Resource */ | |
ef416fc2 | 153 | { |
154 | char *ptr, /* Pointer into URI buffer */ | |
155 | *end; /* End of URI buffer */ | |
ef416fc2 | 156 | |
157 | ||
158 | /* | |
159 | * Range check input... | |
160 | */ | |
161 | ||
162 | if (!uri || urilen < 1 || !scheme || port < 0) | |
163 | { | |
164 | if (uri) | |
165 | *uri = '\0'; | |
166 | ||
167 | return (HTTP_URI_BAD_ARGUMENTS); | |
168 | } | |
169 | ||
170 | /* | |
171 | * Assemble the URI starting with the scheme... | |
172 | */ | |
173 | ||
174 | end = uri + urilen - 1; | |
a4d04587 | 175 | ptr = http_copy_encode(uri, scheme, end, NULL, NULL, 0); |
ef416fc2 | 176 | |
177 | if (!ptr) | |
178 | goto assemble_overflow; | |
179 | ||
f7deaa1a | 180 | if (!strcmp(scheme, "mailto")) |
ef416fc2 | 181 | { |
182 | /* | |
183 | * mailto: only has :, no //... | |
184 | */ | |
185 | ||
186 | if (ptr < end) | |
187 | *ptr++ = ':'; | |
188 | else | |
189 | goto assemble_overflow; | |
190 | } | |
191 | else | |
192 | { | |
193 | /* | |
194 | * Schemes other than mailto: all have //... | |
195 | */ | |
196 | ||
197 | if ((ptr + 2) < end) | |
198 | { | |
199 | *ptr++ = ':'; | |
200 | *ptr++ = '/'; | |
201 | *ptr++ = '/'; | |
202 | } | |
203 | else | |
204 | goto assemble_overflow; | |
205 | } | |
206 | ||
207 | /* | |
208 | * Next the username and hostname, if any... | |
209 | */ | |
210 | ||
211 | if (host) | |
212 | { | |
213 | if (username && *username) | |
214 | { | |
215 | /* | |
216 | * Add username@ first... | |
217 | */ | |
218 | ||
85dda01c | 219 | ptr = http_copy_encode(ptr, username, end, "/?#[]@", NULL, |
a4d04587 | 220 | encoding & HTTP_URI_CODING_USERNAME); |
ef416fc2 | 221 | |
222 | if (!ptr) | |
223 | goto assemble_overflow; | |
224 | ||
225 | if (ptr < end) | |
226 | *ptr++ = '@'; | |
227 | else | |
228 | goto assemble_overflow; | |
229 | } | |
230 | ||
231 | /* | |
232 | * Then add the hostname. Since IPv6 is a particular pain to deal | |
c9fc04c6 | 233 | * with, we have several special cases to deal with. If we get |
ef416fc2 | 234 | * an IPv6 address with brackets around it, assume it is already in |
c9fc04c6 MS |
235 | * URI format. Since DNS-SD service names can sometimes look like |
236 | * raw IPv6 addresses, we specifically look for "._tcp" in the name, | |
237 | * too... | |
ef416fc2 | 238 | */ |
239 | ||
c9fc04c6 | 240 | if (host[0] != '[' && strchr(host, ':') && !strstr(host, "._tcp")) |
ef416fc2 | 241 | { |
242 | /* | |
c9fc04c6 | 243 | * We have a raw IPv6 address... |
ef416fc2 | 244 | */ |
245 | ||
246 | if (strchr(host, '%')) | |
247 | { | |
248 | /* | |
249 | * We have a link-local address, add "[v1." prefix... | |
250 | */ | |
251 | ||
252 | if ((ptr + 4) < end) | |
253 | { | |
254 | *ptr++ = '['; | |
255 | *ptr++ = 'v'; | |
256 | *ptr++ = '1'; | |
257 | *ptr++ = '.'; | |
258 | } | |
259 | else | |
260 | goto assemble_overflow; | |
261 | } | |
262 | else | |
263 | { | |
264 | /* | |
265 | * We have a normal address, add "[" prefix... | |
266 | */ | |
267 | ||
268 | if (ptr < end) | |
269 | *ptr++ = '['; | |
270 | else | |
271 | goto assemble_overflow; | |
272 | } | |
273 | ||
274 | /* | |
275 | * Copy the rest of the IPv6 address, and terminate with "]". | |
276 | */ | |
277 | ||
278 | while (ptr < end && *host) | |
279 | { | |
280 | if (*host == '%') | |
281 | { | |
282 | *ptr++ = '+'; /* Convert zone separator */ | |
283 | host ++; | |
284 | } | |
285 | else | |
286 | *ptr++ = *host++; | |
287 | } | |
288 | ||
289 | if (*host) | |
290 | goto assemble_overflow; | |
291 | ||
292 | if (ptr < end) | |
293 | *ptr++ = ']'; | |
294 | else | |
295 | goto assemble_overflow; | |
296 | } | |
297 | else | |
298 | { | |
299 | /* | |
300 | * Otherwise, just copy the host string... | |
301 | */ | |
302 | ||
7cf5915e | 303 | ptr = http_copy_encode(ptr, host, end, ":/?#[]@\\\"", NULL, |
a4d04587 | 304 | encoding & HTTP_URI_CODING_HOSTNAME); |
ef416fc2 | 305 | |
306 | if (!ptr) | |
307 | goto assemble_overflow; | |
308 | } | |
309 | ||
310 | /* | |
311 | * Finish things off with the port number... | |
312 | */ | |
313 | ||
314 | if (port > 0) | |
315 | { | |
316 | snprintf(ptr, end - ptr + 1, ":%d", port); | |
317 | ptr += strlen(ptr); | |
318 | ||
319 | if (ptr >= end) | |
320 | goto assemble_overflow; | |
321 | } | |
322 | } | |
323 | ||
324 | /* | |
325 | * Last but not least, add the resource string... | |
326 | */ | |
327 | ||
a4d04587 | 328 | if (resource) |
ef416fc2 | 329 | { |
fa73b229 | 330 | char *query; /* Pointer to query string */ |
331 | ||
332 | ||
fa73b229 | 333 | /* |
a4d04587 | 334 | * Copy the resource string up to the query string if present... |
fa73b229 | 335 | */ |
336 | ||
a4d04587 | 337 | query = strchr(resource, '?'); |
338 | ptr = http_copy_encode(ptr, resource, end, NULL, "?", | |
339 | encoding & HTTP_URI_CODING_RESOURCE); | |
ef416fc2 | 340 | if (!ptr) |
341 | goto assemble_overflow; | |
fa73b229 | 342 | |
343 | if (query) | |
344 | { | |
345 | /* | |
346 | * Copy query string without encoding... | |
347 | */ | |
348 | ||
a4d04587 | 349 | ptr = http_copy_encode(ptr, query, end, NULL, NULL, |
350 | encoding & HTTP_URI_CODING_QUERY); | |
351 | if (!ptr) | |
352 | goto assemble_overflow; | |
fa73b229 | 353 | } |
ef416fc2 | 354 | } |
355 | else if (ptr < end) | |
356 | *ptr++ = '/'; | |
357 | else | |
358 | goto assemble_overflow; | |
359 | ||
360 | /* | |
361 | * Nul-terminate the URI buffer and return with no errors... | |
362 | */ | |
363 | ||
364 | *ptr = '\0'; | |
365 | ||
366 | return (HTTP_URI_OK); | |
367 | ||
368 | /* | |
369 | * Clear the URI string and return an overflow error; I don't usually | |
370 | * like goto's, but in this case it makes sense... | |
371 | */ | |
372 | ||
373 | assemble_overflow: | |
374 | ||
375 | *uri = '\0'; | |
376 | return (HTTP_URI_OVERFLOW); | |
377 | } | |
378 | ||
379 | ||
a4d04587 | 380 | /* |
381 | * 'httpAssembleURIf()' - Assemble a uniform resource identifier from its | |
382 | * components with a formatted resource. | |
383 | * | |
384 | * This function creates a formatted version of the resource string | |
ecdc0628 | 385 | * argument "resourcef" and escapes reserved characters in the URI |
386 | * depending on the value of the "encoding" argument. You should use | |
387 | * this function in place of traditional string functions whenever | |
388 | * you need to create a URI string. | |
a4d04587 | 389 | * |
426c6a59 | 390 | * @since CUPS 1.2/Mac OS X 10.5@ |
a4d04587 | 391 | */ |
392 | ||
393 | http_uri_status_t /* O - URI status */ | |
394 | httpAssembleURIf( | |
395 | http_uri_coding_t encoding, /* I - Encoding flags */ | |
396 | char *uri, /* I - URI buffer */ | |
397 | int urilen, /* I - Size of URI buffer */ | |
398 | const char *scheme, /* I - Scheme name */ | |
399 | const char *username, /* I - Username */ | |
400 | const char *host, /* I - Hostname or address */ | |
401 | int port, /* I - Port number */ | |
402 | const char *resourcef, /* I - Printf-style resource */ | |
403 | ...) /* I - Additional arguments as needed */ | |
404 | { | |
405 | va_list ap; /* Pointer to additional arguments */ | |
406 | char resource[1024]; /* Formatted resource string */ | |
407 | int bytes; /* Bytes in formatted string */ | |
408 | ||
409 | ||
410 | /* | |
411 | * Range check input... | |
412 | */ | |
413 | ||
414 | if (!uri || urilen < 1 || !scheme || port < 0 || !resourcef) | |
415 | { | |
416 | if (uri) | |
417 | *uri = '\0'; | |
418 | ||
419 | return (HTTP_URI_BAD_ARGUMENTS); | |
420 | } | |
421 | ||
422 | /* | |
423 | * Format the resource string and assemble the URI... | |
424 | */ | |
425 | ||
426 | va_start(ap, resourcef); | |
427 | bytes = vsnprintf(resource, sizeof(resource), resourcef, ap); | |
428 | va_end(ap); | |
429 | ||
430 | if (bytes >= sizeof(resource)) | |
431 | { | |
432 | *uri = '\0'; | |
433 | return (HTTP_URI_OVERFLOW); | |
434 | } | |
435 | else | |
436 | return (httpAssembleURI(encoding, uri, urilen, scheme, username, host, | |
437 | port, resource)); | |
438 | } | |
439 | ||
440 | ||
07ed0e9a MS |
441 | /* |
442 | * '_httpAssembleUUID()' - Make a UUID URI conforming to RFC 4122. | |
443 | * | |
444 | * The buffer needs to be at least 46 bytes in size. | |
445 | */ | |
446 | ||
447 | char * /* I - UUID string */ | |
448 | _httpAssembleUUID(const char *server, /* I - Server name */ | |
449 | int port, /* I - Port number */ | |
450 | const char *name, /* I - Object name or NULL */ | |
451 | int number, /* I - Object number or 0 */ | |
452 | char *buffer, /* I - String buffer */ | |
453 | size_t bufsize) /* I - Size of buffer */ | |
454 | { | |
455 | char data[1024]; /* Source string for MD5 */ | |
456 | _cups_md5_state_t md5state; /* MD5 state */ | |
457 | unsigned char md5sum[16]; /* MD5 digest/sum */ | |
458 | ||
459 | ||
460 | /* | |
461 | * Build a version 3 UUID conforming to RFC 4122. | |
462 | * | |
463 | * Start with the MD5 sum of the server, port, object name and | |
464 | * number, and some random data on the end. | |
465 | */ | |
466 | ||
467 | snprintf(data, sizeof(data), "%s:%d:%s:%d:%04x:%04x", server, | |
468 | port, name ? name : server, number, | |
f99f3698 | 469 | (unsigned)CUPS_RAND() & 0xffff, (unsigned)CUPS_RAND() & 0xffff); |
07ed0e9a MS |
470 | |
471 | _cupsMD5Init(&md5state); | |
472 | _cupsMD5Append(&md5state, (unsigned char *)data, strlen(data)); | |
473 | _cupsMD5Finish(&md5state, md5sum); | |
474 | ||
475 | /* | |
476 | * Generate the UUID from the MD5... | |
477 | */ | |
478 | ||
479 | snprintf(buffer, bufsize, | |
480 | "urn:uuid:%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-" | |
481 | "%02x%02x%02x%02x%02x%02x", | |
482 | md5sum[0], md5sum[1], md5sum[2], md5sum[3], md5sum[4], md5sum[5], | |
483 | (md5sum[6] & 15) | 0x30, md5sum[7], (md5sum[8] & 0x3f) | 0x40, | |
484 | md5sum[9], md5sum[10], md5sum[11], md5sum[12], md5sum[13], | |
485 | md5sum[14], md5sum[15]); | |
486 | ||
487 | return (buffer); | |
488 | } | |
489 | ||
490 | ||
ef416fc2 | 491 | /* |
492 | * 'httpDecode64()' - Base64-decode a string. | |
ecdc0628 | 493 | * |
494 | * This function is deprecated. Use the httpDecode64_2() function instead | |
495 | * which provides buffer length arguments. | |
496 | * | |
497 | * @deprecated@ | |
ef416fc2 | 498 | */ |
499 | ||
500 | char * /* O - Decoded string */ | |
501 | httpDecode64(char *out, /* I - String to write to */ | |
502 | const char *in) /* I - String to read from */ | |
503 | { | |
504 | int outlen; /* Output buffer length */ | |
505 | ||
506 | ||
507 | /* | |
508 | * Use the old maximum buffer size for binary compatibility... | |
509 | */ | |
510 | ||
511 | outlen = 512; | |
512 | ||
513 | return (httpDecode64_2(out, &outlen, in)); | |
514 | } | |
515 | ||
516 | ||
517 | /* | |
518 | * 'httpDecode64_2()' - Base64-decode a string. | |
519 | * | |
426c6a59 | 520 | * @since CUPS 1.1.21/Mac OS X 10.4@ |
ef416fc2 | 521 | */ |
522 | ||
523 | char * /* O - Decoded string */ | |
524 | httpDecode64_2(char *out, /* I - String to write to */ | |
525 | int *outlen, /* IO - Size of output string */ | |
526 | const char *in) /* I - String to read from */ | |
527 | { | |
528 | int pos, /* Bit position */ | |
529 | base64; /* Value of this character */ | |
530 | char *outptr, /* Output pointer */ | |
531 | *outend; /* End of output buffer */ | |
532 | ||
533 | ||
534 | /* | |
535 | * Range check input... | |
536 | */ | |
537 | ||
fa73b229 | 538 | if (!out || !outlen || *outlen < 1 || !in) |
ef416fc2 | 539 | return (NULL); |
540 | ||
fa73b229 | 541 | if (!*in) |
542 | { | |
543 | *out = '\0'; | |
544 | *outlen = 0; | |
545 | ||
546 | return (out); | |
547 | } | |
548 | ||
ef416fc2 | 549 | /* |
550 | * Convert from base-64 to bytes... | |
551 | */ | |
552 | ||
553 | for (outptr = out, outend = out + *outlen - 1, pos = 0; *in != '\0'; in ++) | |
554 | { | |
555 | /* | |
556 | * Decode this character into a number from 0 to 63... | |
557 | */ | |
558 | ||
559 | if (*in >= 'A' && *in <= 'Z') | |
560 | base64 = *in - 'A'; | |
561 | else if (*in >= 'a' && *in <= 'z') | |
562 | base64 = *in - 'a' + 26; | |
563 | else if (*in >= '0' && *in <= '9') | |
564 | base64 = *in - '0' + 52; | |
565 | else if (*in == '+') | |
566 | base64 = 62; | |
567 | else if (*in == '/') | |
568 | base64 = 63; | |
569 | else if (*in == '=') | |
570 | break; | |
571 | else | |
572 | continue; | |
573 | ||
574 | /* | |
575 | * Store the result in the appropriate chars... | |
576 | */ | |
577 | ||
578 | switch (pos) | |
579 | { | |
580 | case 0 : | |
581 | if (outptr < outend) | |
582 | *outptr = base64 << 2; | |
583 | pos ++; | |
584 | break; | |
585 | case 1 : | |
586 | if (outptr < outend) | |
587 | *outptr++ |= (base64 >> 4) & 3; | |
588 | if (outptr < outend) | |
589 | *outptr = (base64 << 4) & 255; | |
590 | pos ++; | |
591 | break; | |
592 | case 2 : | |
593 | if (outptr < outend) | |
594 | *outptr++ |= (base64 >> 2) & 15; | |
595 | if (outptr < outend) | |
596 | *outptr = (base64 << 6) & 255; | |
597 | pos ++; | |
598 | break; | |
599 | case 3 : | |
600 | if (outptr < outend) | |
601 | *outptr++ |= base64; | |
602 | pos = 0; | |
603 | break; | |
604 | } | |
605 | } | |
606 | ||
607 | *outptr = '\0'; | |
608 | ||
609 | /* | |
610 | * Return the decoded string and size... | |
611 | */ | |
612 | ||
613 | *outlen = (int)(outptr - out); | |
614 | ||
615 | return (out); | |
616 | } | |
617 | ||
618 | ||
619 | /* | |
620 | * 'httpEncode64()' - Base64-encode a string. | |
ecdc0628 | 621 | * |
622 | * This function is deprecated. Use the httpEncode64_2() function instead | |
623 | * which provides buffer length arguments. | |
624 | * | |
625 | * @deprecated@ | |
ef416fc2 | 626 | */ |
627 | ||
628 | char * /* O - Encoded string */ | |
629 | httpEncode64(char *out, /* I - String to write to */ | |
630 | const char *in) /* I - String to read from */ | |
631 | { | |
b86bc4cf | 632 | return (httpEncode64_2(out, 512, in, (int)strlen(in))); |
ef416fc2 | 633 | } |
634 | ||
635 | ||
636 | /* | |
637 | * 'httpEncode64_2()' - Base64-encode a string. | |
638 | * | |
426c6a59 | 639 | * @since CUPS 1.1.21/Mac OS X 10.4@ |
ef416fc2 | 640 | */ |
641 | ||
642 | char * /* O - Encoded string */ | |
643 | httpEncode64_2(char *out, /* I - String to write to */ | |
644 | int outlen, /* I - Size of output string */ | |
645 | const char *in, /* I - String to read from */ | |
646 | int inlen) /* I - Size of input string */ | |
647 | { | |
648 | char *outptr, /* Output pointer */ | |
649 | *outend; /* End of output buffer */ | |
650 | static const char base64[] = /* Base64 characters... */ | |
651 | { | |
652 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
653 | "abcdefghijklmnopqrstuvwxyz" | |
654 | "0123456789" | |
655 | "+/" | |
656 | }; | |
657 | ||
658 | ||
659 | /* | |
660 | * Range check input... | |
661 | */ | |
662 | ||
663 | if (!out || outlen < 1 || !in) | |
664 | return (NULL); | |
665 | ||
666 | /* | |
667 | * Convert bytes to base-64... | |
668 | */ | |
669 | ||
670 | for (outptr = out, outend = out + outlen - 1; inlen > 0; in ++, inlen --) | |
671 | { | |
672 | /* | |
673 | * Encode the up to 3 characters as 4 Base64 numbers... | |
674 | */ | |
675 | ||
676 | if (outptr < outend) | |
677 | *outptr ++ = base64[(in[0] & 255) >> 2]; | |
26d47ec6 | 678 | |
ef416fc2 | 679 | if (outptr < outend) |
26d47ec6 | 680 | { |
681 | if (inlen > 1) | |
682 | *outptr ++ = base64[(((in[0] & 255) << 4) | ((in[1] & 255) >> 4)) & 63]; | |
683 | else | |
684 | *outptr ++ = base64[((in[0] & 255) << 4) & 63]; | |
685 | } | |
ef416fc2 | 686 | |
687 | in ++; | |
688 | inlen --; | |
689 | if (inlen <= 0) | |
690 | { | |
691 | if (outptr < outend) | |
692 | *outptr ++ = '='; | |
693 | if (outptr < outend) | |
694 | *outptr ++ = '='; | |
695 | break; | |
696 | } | |
697 | ||
698 | if (outptr < outend) | |
26d47ec6 | 699 | { |
700 | if (inlen > 1) | |
701 | *outptr ++ = base64[(((in[0] & 255) << 2) | ((in[1] & 255) >> 6)) & 63]; | |
702 | else | |
703 | *outptr ++ = base64[((in[0] & 255) << 2) & 63]; | |
704 | } | |
ef416fc2 | 705 | |
706 | in ++; | |
707 | inlen --; | |
708 | if (inlen <= 0) | |
709 | { | |
710 | if (outptr < outend) | |
711 | *outptr ++ = '='; | |
712 | break; | |
713 | } | |
714 | ||
715 | if (outptr < outend) | |
716 | *outptr ++ = base64[in[0] & 63]; | |
717 | } | |
718 | ||
719 | *outptr = '\0'; | |
720 | ||
721 | /* | |
722 | * Return the encoded string... | |
723 | */ | |
724 | ||
725 | return (out); | |
726 | } | |
727 | ||
728 | ||
729 | /* | |
730 | * 'httpGetDateString()' - Get a formatted date/time string from a time value. | |
731 | * | |
732 | * @deprecated@ | |
733 | */ | |
734 | ||
735 | const char * /* O - Date/time string */ | |
736 | httpGetDateString(time_t t) /* I - UNIX time */ | |
737 | { | |
738 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
739 | ||
740 | ||
741 | return (httpGetDateString2(t, cg->http_date, sizeof(cg->http_date))); | |
742 | } | |
743 | ||
744 | ||
745 | /* | |
746 | * 'httpGetDateString2()' - Get a formatted date/time string from a time value. | |
747 | * | |
426c6a59 | 748 | * @since CUPS 1.2/Mac OS X 10.5@ |
ef416fc2 | 749 | */ |
750 | ||
751 | const char * /* O - Date/time string */ | |
752 | httpGetDateString2(time_t t, /* I - UNIX time */ | |
753 | char *s, /* I - String buffer */ | |
754 | int slen) /* I - Size of string buffer */ | |
755 | { | |
756 | struct tm *tdate; /* UNIX date/time data */ | |
757 | ||
758 | ||
759 | tdate = gmtime(&t); | |
760 | snprintf(s, slen, "%s, %02d %s %d %02d:%02d:%02d GMT", | |
761 | http_days[tdate->tm_wday], tdate->tm_mday, | |
762 | http_months[tdate->tm_mon], tdate->tm_year + 1900, | |
763 | tdate->tm_hour, tdate->tm_min, tdate->tm_sec); | |
764 | ||
765 | return (s); | |
766 | } | |
767 | ||
768 | ||
769 | /* | |
770 | * 'httpGetDateTime()' - Get a time value from a formatted date/time string. | |
771 | */ | |
772 | ||
773 | time_t /* O - UNIX time */ | |
774 | httpGetDateTime(const char *s) /* I - Date/time string */ | |
775 | { | |
776 | int i; /* Looping var */ | |
777 | char mon[16]; /* Abbreviated month name */ | |
778 | int day, year; /* Day of month and year */ | |
779 | int hour, min, sec; /* Time */ | |
780 | int days; /* Number of days since 1970 */ | |
781 | static const int normal_days[] = /* Days to a month, normal years */ | |
782 | { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }; | |
783 | static const int leap_days[] = /* Days to a month, leap years */ | |
784 | { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }; | |
785 | ||
786 | ||
e07d4801 | 787 | DEBUG_printf(("2httpGetDateTime(s=\"%s\")", s)); |
ef416fc2 | 788 | |
789 | /* | |
790 | * Extract the date and time from the formatted string... | |
791 | */ | |
792 | ||
793 | if (sscanf(s, "%*s%d%15s%d%d:%d:%d", &day, mon, &year, &hour, &min, &sec) < 6) | |
794 | return (0); | |
795 | ||
e07d4801 MS |
796 | DEBUG_printf(("4httpGetDateTime: day=%d, mon=\"%s\", year=%d, hour=%d, " |
797 | "min=%d, sec=%d", day, mon, year, hour, min, sec)); | |
ef416fc2 | 798 | |
799 | /* | |
800 | * Convert the month name to a number from 0 to 11. | |
801 | */ | |
802 | ||
803 | for (i = 0; i < 12; i ++) | |
88f9aafc | 804 | if (!_cups_strcasecmp(mon, http_months[i])) |
ef416fc2 | 805 | break; |
806 | ||
807 | if (i >= 12) | |
808 | return (0); | |
809 | ||
e07d4801 | 810 | DEBUG_printf(("4httpGetDateTime: i=%d", i)); |
ef416fc2 | 811 | |
812 | /* | |
813 | * Now convert the date and time to a UNIX time value in seconds since | |
814 | * 1970. We can't use mktime() since the timezone may not be UTC but | |
815 | * the date/time string *is* UTC. | |
816 | */ | |
817 | ||
818 | if ((year & 3) == 0 && ((year % 100) != 0 || (year % 400) == 0)) | |
819 | days = leap_days[i] + day - 1; | |
820 | else | |
821 | days = normal_days[i] + day - 1; | |
822 | ||
e07d4801 | 823 | DEBUG_printf(("4httpGetDateTime: days=%d", days)); |
ef416fc2 | 824 | |
825 | days += (year - 1970) * 365 + /* 365 days per year (normally) */ | |
826 | ((year - 1) / 4 - 492) - /* + leap days */ | |
827 | ((year - 1) / 100 - 19) + /* - 100 year days */ | |
828 | ((year - 1) / 400 - 4); /* + 400 year days */ | |
829 | ||
e07d4801 | 830 | DEBUG_printf(("4httpGetDateTime: days=%d\n", days)); |
ef416fc2 | 831 | |
832 | return (days * 86400 + hour * 3600 + min * 60 + sec); | |
833 | } | |
834 | ||
835 | ||
836 | /* | |
837 | * 'httpSeparate()' - Separate a Universal Resource Identifier into its | |
838 | * components. | |
ecdc0628 | 839 | * |
840 | * This function is deprecated; use the httpSeparateURI() function instead. | |
841 | * | |
842 | * @deprecated@ | |
ef416fc2 | 843 | */ |
844 | ||
845 | void | |
846 | httpSeparate(const char *uri, /* I - Universal Resource Identifier */ | |
847 | char *scheme, /* O - Scheme [32] (http, https, etc.) */ | |
848 | char *username, /* O - Username [1024] */ | |
849 | char *host, /* O - Hostname [1024] */ | |
850 | int *port, /* O - Port number to use */ | |
851 | char *resource) /* O - Resource/filename [1024] */ | |
852 | { | |
a4d04587 | 853 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, 32, username, |
854 | HTTP_MAX_URI, host, HTTP_MAX_URI, port, resource, | |
855 | HTTP_MAX_URI); | |
ef416fc2 | 856 | } |
857 | ||
858 | ||
859 | /* | |
860 | * 'httpSeparate2()' - Separate a Universal Resource Identifier into its | |
861 | * components. | |
862 | * | |
ecdc0628 | 863 | * This function is deprecated; use the httpSeparateURI() function instead. |
864 | * | |
426c6a59 | 865 | * @since CUPS 1.1.21/Mac OS X 10.4@ |
ecdc0628 | 866 | * @deprecated@ |
ef416fc2 | 867 | */ |
868 | ||
869 | void | |
870 | httpSeparate2(const char *uri, /* I - Universal Resource Identifier */ | |
871 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
872 | int schemelen, /* I - Size of scheme buffer */ | |
873 | char *username, /* O - Username */ | |
874 | int usernamelen, /* I - Size of username buffer */ | |
875 | char *host, /* O - Hostname */ | |
876 | int hostlen, /* I - Size of hostname buffer */ | |
877 | int *port, /* O - Port number to use */ | |
878 | char *resource, /* O - Resource/filename */ | |
879 | int resourcelen) /* I - Size of resource buffer */ | |
880 | { | |
a4d04587 | 881 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, schemelen, username, |
882 | usernamelen, host, hostlen, port, resource, resourcelen); | |
ef416fc2 | 883 | } |
884 | ||
885 | ||
886 | /* | |
887 | * 'httpSeparateURI()' - Separate a Universal Resource Identifier into its | |
888 | * components. | |
889 | * | |
426c6a59 | 890 | * @since CUPS 1.2/Mac OS X 10.5@ |
ef416fc2 | 891 | */ |
892 | ||
893 | http_uri_status_t /* O - Result of separation */ | |
a4d04587 | 894 | httpSeparateURI( |
895 | http_uri_coding_t decoding, /* I - Decoding flags */ | |
896 | const char *uri, /* I - Universal Resource Identifier */ | |
897 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
898 | int schemelen, /* I - Size of scheme buffer */ | |
899 | char *username, /* O - Username */ | |
900 | int usernamelen, /* I - Size of username buffer */ | |
901 | char *host, /* O - Hostname */ | |
902 | int hostlen, /* I - Size of hostname buffer */ | |
903 | int *port, /* O - Port number to use */ | |
904 | char *resource, /* O - Resource/filename */ | |
905 | int resourcelen) /* I - Size of resource buffer */ | |
ef416fc2 | 906 | { |
907 | char *ptr, /* Pointer into string... */ | |
908 | *end; /* End of string */ | |
909 | const char *sep; /* Separator character */ | |
910 | http_uri_status_t status; /* Result of separation */ | |
911 | ||
912 | ||
913 | /* | |
914 | * Initialize everything to blank... | |
915 | */ | |
916 | ||
917 | if (scheme && schemelen > 0) | |
918 | *scheme = '\0'; | |
919 | ||
920 | if (username && usernamelen > 0) | |
921 | *username = '\0'; | |
922 | ||
923 | if (host && hostlen > 0) | |
924 | *host = '\0'; | |
925 | ||
926 | if (port) | |
927 | *port = 0; | |
928 | ||
929 | if (resource && resourcelen > 0) | |
930 | *resource = '\0'; | |
931 | ||
932 | /* | |
933 | * Range check input... | |
934 | */ | |
935 | ||
936 | if (!uri || !port || !scheme || schemelen <= 0 || !username || | |
937 | usernamelen <= 0 || !host || hostlen <= 0 || !resource || | |
938 | resourcelen <= 0) | |
939 | return (HTTP_URI_BAD_ARGUMENTS); | |
940 | ||
941 | if (!*uri) | |
942 | return (HTTP_URI_BAD_URI); | |
943 | ||
944 | /* | |
945 | * Grab the scheme portion of the URI... | |
946 | */ | |
947 | ||
948 | status = HTTP_URI_OK; | |
949 | ||
950 | if (!strncmp(uri, "//", 2)) | |
951 | { | |
952 | /* | |
953 | * Workaround for HP IPP client bug... | |
954 | */ | |
955 | ||
956 | strlcpy(scheme, "ipp", schemelen); | |
957 | status = HTTP_URI_MISSING_SCHEME; | |
958 | } | |
959 | else if (*uri == '/') | |
960 | { | |
961 | /* | |
962 | * Filename... | |
963 | */ | |
964 | ||
965 | strlcpy(scheme, "file", schemelen); | |
966 | status = HTTP_URI_MISSING_SCHEME; | |
967 | } | |
968 | else | |
969 | { | |
970 | /* | |
971 | * Standard URI with scheme... | |
972 | */ | |
973 | ||
974 | for (ptr = scheme, end = scheme + schemelen - 1; | |
975 | *uri && *uri != ':' && ptr < end;) | |
7cf5915e MS |
976 | if (strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
977 | "abcdefghijklmnopqrstuvwxyz" | |
978 | "0123456789-+.", *uri) != NULL) | |
ef416fc2 | 979 | *ptr++ = *uri++; |
980 | else | |
981 | break; | |
982 | ||
983 | *ptr = '\0'; | |
984 | ||
985 | if (*uri != ':') | |
986 | { | |
987 | *scheme = '\0'; | |
988 | return (HTTP_URI_BAD_SCHEME); | |
989 | } | |
990 | ||
991 | uri ++; | |
992 | } | |
993 | ||
994 | /* | |
995 | * Set the default port number... | |
996 | */ | |
997 | ||
998 | if (!strcmp(scheme, "http")) | |
999 | *port = 80; | |
1000 | else if (!strcmp(scheme, "https")) | |
1001 | *port = 443; | |
7cf5915e | 1002 | else if (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) |
ef416fc2 | 1003 | *port = 631; |
88f9aafc | 1004 | else if (!_cups_strcasecmp(scheme, "lpd")) |
ef416fc2 | 1005 | *port = 515; |
1006 | else if (!strcmp(scheme, "socket")) /* Not yet registered with IANA... */ | |
1007 | *port = 9100; | |
1008 | else if (strcmp(scheme, "file") && strcmp(scheme, "mailto")) | |
1009 | status = HTTP_URI_UNKNOWN_SCHEME; | |
1010 | ||
1011 | /* | |
1012 | * Now see if we have a hostname... | |
1013 | */ | |
1014 | ||
1015 | if (!strncmp(uri, "//", 2)) | |
1016 | { | |
1017 | /* | |
1018 | * Yes, extract it... | |
1019 | */ | |
1020 | ||
1021 | uri += 2; | |
1022 | ||
1023 | /* | |
1024 | * Grab the username, if any... | |
1025 | */ | |
1026 | ||
1027 | if ((sep = strpbrk(uri, "@/")) != NULL && *sep == '@') | |
1028 | { | |
1029 | /* | |
1030 | * Get a username:password combo... | |
1031 | */ | |
1032 | ||
a4d04587 | 1033 | uri = http_copy_decode(username, uri, usernamelen, "@", |
1034 | decoding & HTTP_URI_CODING_USERNAME); | |
ef416fc2 | 1035 | |
1036 | if (!uri) | |
1037 | { | |
1038 | *username = '\0'; | |
1039 | return (HTTP_URI_BAD_USERNAME); | |
1040 | } | |
1041 | ||
1042 | uri ++; | |
1043 | } | |
1044 | ||
1045 | /* | |
1046 | * Then the hostname/IP address... | |
1047 | */ | |
1048 | ||
1049 | if (*uri == '[') | |
1050 | { | |
1051 | /* | |
1052 | * Grab IPv6 address... | |
1053 | */ | |
1054 | ||
1055 | uri ++; | |
1056 | if (!strncmp(uri, "v1.", 3)) | |
1057 | uri += 3; /* Skip IPvN leader... */ | |
1058 | ||
a4d04587 | 1059 | uri = http_copy_decode(host, uri, hostlen, "]", |
1060 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1061 | |
1062 | if (!uri) | |
1063 | { | |
1064 | *host = '\0'; | |
1065 | return (HTTP_URI_BAD_HOSTNAME); | |
1066 | } | |
1067 | ||
1068 | /* | |
1069 | * Validate value... | |
1070 | */ | |
1071 | ||
1072 | if (*uri != ']') | |
1073 | { | |
1074 | *host = '\0'; | |
1075 | return (HTTP_URI_BAD_HOSTNAME); | |
1076 | } | |
1077 | ||
1078 | uri ++; | |
1079 | ||
1080 | for (ptr = host; *ptr; ptr ++) | |
1081 | if (*ptr == '+') | |
1082 | { | |
1083 | /* | |
1084 | * Convert zone separator to % and stop here... | |
1085 | */ | |
1086 | ||
1087 | *ptr = '%'; | |
1088 | break; | |
1089 | } | |
1090 | else if (*ptr != ':' && *ptr != '.' && !isxdigit(*ptr & 255)) | |
1091 | { | |
1092 | *host = '\0'; | |
1093 | return (HTTP_URI_BAD_HOSTNAME); | |
1094 | } | |
1095 | } | |
1096 | else | |
1097 | { | |
1098 | /* | |
b423cd4c | 1099 | * Validate the hostname or IPv4 address first... |
1100 | */ | |
1101 | ||
1102 | for (ptr = (char *)uri; *ptr; ptr ++) | |
1103 | if (strchr(":?/", *ptr)) | |
1104 | break; | |
1105 | else if (!strchr("abcdefghijklmnopqrstuvwxyz" | |
1106 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
1107 | "0123456789" | |
1108 | "-._~" | |
1109 | "%" | |
2fb76298 | 1110 | "!$&'()*+,;=\\", *ptr)) |
b423cd4c | 1111 | { |
1112 | *host = '\0'; | |
1113 | return (HTTP_URI_BAD_HOSTNAME); | |
1114 | } | |
1115 | ||
1116 | /* | |
1117 | * Then copy the hostname or IPv4 address to the buffer... | |
ef416fc2 | 1118 | */ |
1119 | ||
a4d04587 | 1120 | uri = http_copy_decode(host, uri, hostlen, ":?/", |
1121 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1122 | |
1123 | if (!uri) | |
1124 | { | |
1125 | *host = '\0'; | |
1126 | return (HTTP_URI_BAD_HOSTNAME); | |
1127 | } | |
ef416fc2 | 1128 | } |
1129 | ||
1130 | /* | |
1131 | * Validate hostname for file scheme - only empty and localhost are | |
1132 | * acceptable. | |
1133 | */ | |
1134 | ||
1135 | if (!strcmp(scheme, "file") && strcmp(host, "localhost") && host[0]) | |
1136 | { | |
1137 | *host = '\0'; | |
1138 | return (HTTP_URI_BAD_HOSTNAME); | |
1139 | } | |
1140 | ||
1141 | /* | |
1142 | * See if we have a port number... | |
1143 | */ | |
1144 | ||
1145 | if (*uri == ':') | |
1146 | { | |
1147 | /* | |
1148 | * Yes, collect the port number... | |
1149 | */ | |
1150 | ||
dfd5680b MS |
1151 | if (!isdigit(uri[1] & 255)) |
1152 | { | |
1153 | *port = 0; | |
1154 | return (HTTP_URI_BAD_PORT); | |
1155 | } | |
1156 | ||
ef416fc2 | 1157 | *port = strtol(uri + 1, (char **)&uri, 10); |
1158 | ||
d6ae789d | 1159 | if (*uri != '/' && *uri) |
ef416fc2 | 1160 | { |
1161 | *port = 0; | |
1162 | return (HTTP_URI_BAD_PORT); | |
1163 | } | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | /* | |
1168 | * The remaining portion is the resource string... | |
1169 | */ | |
1170 | ||
1171 | if (*uri == '?' || !*uri) | |
1172 | { | |
1173 | /* | |
1174 | * Hostname but no path... | |
1175 | */ | |
1176 | ||
1177 | status = HTTP_URI_MISSING_RESOURCE; | |
1178 | *resource = '/'; | |
fa73b229 | 1179 | |
1180 | /* | |
a4d04587 | 1181 | * Copy any query string... |
fa73b229 | 1182 | */ |
1183 | ||
1184 | if (*uri == '?') | |
a4d04587 | 1185 | uri = http_copy_decode(resource + 1, uri, resourcelen - 1, NULL, |
1186 | decoding & HTTP_URI_CODING_QUERY); | |
fa73b229 | 1187 | else |
1188 | resource[1] = '\0'; | |
ef416fc2 | 1189 | } |
1190 | else | |
fa73b229 | 1191 | { |
a4d04587 | 1192 | uri = http_copy_decode(resource, uri, resourcelen, "?", |
1193 | decoding & HTTP_URI_CODING_RESOURCE); | |
fa73b229 | 1194 | |
1195 | if (uri && *uri == '?') | |
1196 | { | |
1197 | /* | |
a4d04587 | 1198 | * Concatenate any query string... |
fa73b229 | 1199 | */ |
1200 | ||
a4d04587 | 1201 | char *resptr = resource + strlen(resource); |
1202 | ||
b86bc4cf | 1203 | uri = http_copy_decode(resptr, uri, resourcelen - (int)(resptr - resource), |
a4d04587 | 1204 | NULL, decoding & HTTP_URI_CODING_QUERY); |
fa73b229 | 1205 | } |
1206 | } | |
ef416fc2 | 1207 | |
1208 | if (!uri) | |
1209 | { | |
1210 | *resource = '\0'; | |
1211 | return (HTTP_URI_BAD_RESOURCE); | |
1212 | } | |
1213 | ||
1214 | /* | |
1215 | * Return the URI separation status... | |
1216 | */ | |
1217 | ||
1218 | return (status); | |
1219 | } | |
1220 | ||
1221 | ||
1222 | /* | |
1223 | * 'httpStatus()' - Return a short string describing a HTTP status code. | |
9f5eb9be MS |
1224 | * |
1225 | * The returned string is localized to the current POSIX locale and is based | |
1226 | * on the status strings defined in RFC 2616. | |
ef416fc2 | 1227 | */ |
1228 | ||
9f5eb9be | 1229 | const char * /* O - Localized status string */ |
ef416fc2 | 1230 | httpStatus(http_status_t status) /* I - HTTP status code */ |
1231 | { | |
9f5eb9be MS |
1232 | const char *s; /* Status string */ |
1233 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
1234 | ||
1235 | ||
1236 | if (!cg->lang_default) | |
1237 | cg->lang_default = cupsLangDefault(); | |
1238 | ||
ef416fc2 | 1239 | switch (status) |
1240 | { | |
1241 | case HTTP_CONTINUE : | |
9f5eb9be MS |
1242 | s = _("Continue"); |
1243 | break; | |
ef416fc2 | 1244 | case HTTP_SWITCHING_PROTOCOLS : |
9f5eb9be MS |
1245 | s = _("Switching Protocols"); |
1246 | break; | |
ef416fc2 | 1247 | case HTTP_OK : |
9f5eb9be MS |
1248 | s = _("OK"); |
1249 | break; | |
ef416fc2 | 1250 | case HTTP_CREATED : |
9f5eb9be MS |
1251 | s = _("Created"); |
1252 | break; | |
ef416fc2 | 1253 | case HTTP_ACCEPTED : |
9f5eb9be MS |
1254 | s = _("Accepted"); |
1255 | break; | |
ef416fc2 | 1256 | case HTTP_NO_CONTENT : |
9f5eb9be MS |
1257 | s = _("No Content"); |
1258 | break; | |
d6ae789d | 1259 | case HTTP_MOVED_PERMANENTLY : |
9f5eb9be MS |
1260 | s = _("Moved Permanently"); |
1261 | break; | |
d6ae789d | 1262 | case HTTP_SEE_OTHER : |
9f5eb9be MS |
1263 | s = _("See Other"); |
1264 | break; | |
ef416fc2 | 1265 | case HTTP_NOT_MODIFIED : |
9f5eb9be MS |
1266 | s = _("Not Modified"); |
1267 | break; | |
ef416fc2 | 1268 | case HTTP_BAD_REQUEST : |
9f5eb9be MS |
1269 | s = _("Bad Request"); |
1270 | break; | |
ef416fc2 | 1271 | case HTTP_UNAUTHORIZED : |
f11a948a | 1272 | case HTTP_AUTHORIZATION_CANCELED : |
9f5eb9be MS |
1273 | s = _("Unauthorized"); |
1274 | break; | |
ef416fc2 | 1275 | case HTTP_FORBIDDEN : |
9f5eb9be MS |
1276 | s = _("Forbidden"); |
1277 | break; | |
ef416fc2 | 1278 | case HTTP_NOT_FOUND : |
9f5eb9be MS |
1279 | s = _("Not Found"); |
1280 | break; | |
ef416fc2 | 1281 | case HTTP_REQUEST_TOO_LARGE : |
9f5eb9be MS |
1282 | s = _("Request Entity Too Large"); |
1283 | break; | |
ef416fc2 | 1284 | case HTTP_URI_TOO_LONG : |
9f5eb9be MS |
1285 | s = _("URI Too Long"); |
1286 | break; | |
ef416fc2 | 1287 | case HTTP_UPGRADE_REQUIRED : |
9f5eb9be MS |
1288 | s = _("Upgrade Required"); |
1289 | break; | |
ef416fc2 | 1290 | case HTTP_NOT_IMPLEMENTED : |
9f5eb9be MS |
1291 | s = _("Not Implemented"); |
1292 | break; | |
ef416fc2 | 1293 | case HTTP_NOT_SUPPORTED : |
9f5eb9be MS |
1294 | s = _("Not Supported"); |
1295 | break; | |
b423cd4c | 1296 | case HTTP_EXPECTATION_FAILED : |
9f5eb9be MS |
1297 | s = _("Expectation Failed"); |
1298 | break; | |
1299 | case HTTP_SERVICE_UNAVAILABLE : | |
1300 | s = _("Service Unavailable"); | |
1301 | break; | |
94da7e34 MS |
1302 | case HTTP_SERVER_ERROR : |
1303 | s = _("Internal Server Error"); | |
1304 | break; | |
7cf5915e MS |
1305 | case HTTP_PKI_ERROR : |
1306 | s = _("SSL/TLS Negotiation Error"); | |
1307 | break; | |
229681c1 MS |
1308 | case HTTP_WEBIF_DISABLED : |
1309 | s = _("Web Interface is Disabled"); | |
1310 | break; | |
b423cd4c | 1311 | |
ef416fc2 | 1312 | default : |
9f5eb9be MS |
1313 | s = _("Unknown"); |
1314 | break; | |
ef416fc2 | 1315 | } |
9f5eb9be MS |
1316 | |
1317 | return (_cupsLangString(cg->lang_default, s)); | |
ef416fc2 | 1318 | } |
1319 | ||
1320 | ||
1321 | #ifndef HAVE_HSTRERROR | |
1322 | /* | |
eac3a0a0 | 1323 | * '_cups_hstrerror()' - hstrerror() emulation function for Solaris and others. |
ef416fc2 | 1324 | */ |
1325 | ||
1326 | const char * /* O - Error string */ | |
1327 | _cups_hstrerror(int error) /* I - Error number */ | |
1328 | { | |
1329 | static const char * const errors[] = /* Error strings */ | |
1330 | { | |
1331 | "OK", | |
1332 | "Host not found.", | |
1333 | "Try again.", | |
1334 | "Unrecoverable lookup error.", | |
1335 | "No data associated with name." | |
1336 | }; | |
1337 | ||
1338 | ||
1339 | if (error < 0 || error > 4) | |
1340 | return ("Unknown hostname lookup error."); | |
1341 | else | |
1342 | return (errors[error]); | |
1343 | } | |
1344 | #endif /* !HAVE_HSTRERROR */ | |
1345 | ||
1346 | ||
1106b00e MS |
1347 | /* |
1348 | * '_httpDecodeURI()' - Percent-decode a HTTP request URI. | |
1349 | */ | |
1350 | ||
1351 | char * /* O - Decoded URI or NULL on error */ | |
1352 | _httpDecodeURI(char *dst, /* I - Destination buffer */ | |
1353 | const char *src, /* I - Source URI */ | |
1354 | size_t dstsize) /* I - Size of destination buffer */ | |
1355 | { | |
1356 | if (http_copy_decode(dst, src, (int)dstsize, NULL, 1)) | |
1357 | return (dst); | |
1358 | else | |
1359 | return (NULL); | |
1360 | } | |
1361 | ||
1362 | ||
839a51c8 MS |
1363 | /* |
1364 | * '_httpEncodeURI()' - Percent-encode a HTTP request URI. | |
1365 | */ | |
1366 | ||
1367 | char * /* O - Encoded URI */ | |
1368 | _httpEncodeURI(char *dst, /* I - Destination buffer */ | |
1369 | const char *src, /* I - Source URI */ | |
1370 | size_t dstsize) /* I - Size of destination buffer */ | |
1371 | { | |
1372 | http_copy_encode(dst, src, dst + dstsize - 1, NULL, NULL, 1); | |
1373 | return (dst); | |
1374 | } | |
1375 | ||
1376 | ||
5eb9da71 MS |
1377 | /* |
1378 | * '_httpResolveURI()' - Resolve a DNS-SD URI. | |
1379 | */ | |
1380 | ||
1381 | const char * /* O - Resolved URI */ | |
1382 | _httpResolveURI( | |
1383 | const char *uri, /* I - DNS-SD URI */ | |
1384 | char *resolved_uri, /* I - Buffer for resolved URI */ | |
1f0275e3 | 1385 | size_t resolved_size, /* I - Size of URI buffer */ |
eac3a0a0 | 1386 | int options, /* I - Resolve options */ |
07ed0e9a MS |
1387 | int (*cb)(void *context), /* I - Continue callback function */ |
1388 | void *context) /* I - Context pointer for callback */ | |
5eb9da71 MS |
1389 | { |
1390 | char scheme[32], /* URI components... */ | |
1391 | userpass[256], | |
1392 | hostname[1024], | |
1393 | resource[1024]; | |
1394 | int port; | |
b19ccc9e | 1395 | #ifdef DEBUG |
1f0275e3 | 1396 | http_uri_status_t status; /* URI decode status */ |
b19ccc9e | 1397 | #endif /* DEBUG */ |
5eb9da71 MS |
1398 | |
1399 | ||
e07d4801 MS |
1400 | DEBUG_printf(("4_httpResolveURI(uri=\"%s\", resolved_uri=%p, " |
1401 | "resolved_size=" CUPS_LLFMT ")", uri, resolved_uri, | |
1f0275e3 MS |
1402 | CUPS_LLCAST resolved_size)); |
1403 | ||
5eb9da71 MS |
1404 | /* |
1405 | * Get the device URI... | |
1406 | */ | |
1407 | ||
b19ccc9e | 1408 | #ifdef DEBUG |
1f0275e3 MS |
1409 | if ((status = httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, |
1410 | sizeof(scheme), userpass, sizeof(userpass), | |
1411 | hostname, sizeof(hostname), &port, resource, | |
1412 | sizeof(resource))) < HTTP_URI_OK) | |
b19ccc9e MS |
1413 | #else |
1414 | if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, | |
1415 | sizeof(scheme), userpass, sizeof(userpass), | |
1416 | hostname, sizeof(hostname), &port, resource, | |
1417 | sizeof(resource)) < HTTP_URI_OK) | |
1418 | #endif /* DEBUG */ | |
1f0275e3 | 1419 | { |
eac3a0a0 | 1420 | if (options & _HTTP_RESOLVE_STDERR) |
84315f46 | 1421 | _cupsLangPrintFilter(stderr, "ERROR", _("Bad device-uri \"%s\"."), uri); |
1f0275e3 | 1422 | |
e07d4801 MS |
1423 | DEBUG_printf(("6_httpResolveURI: httpSeparateURI returned %d!", status)); |
1424 | DEBUG_puts("5_httpResolveURI: Returning NULL"); | |
5eb9da71 | 1425 | return (NULL); |
1f0275e3 | 1426 | } |
5eb9da71 MS |
1427 | |
1428 | /* | |
1429 | * Resolve it as needed... | |
1430 | */ | |
1431 | ||
1432 | if (strstr(hostname, "._tcp")) | |
1433 | { | |
1434 | #ifdef HAVE_DNSSD | |
c7017ecc MS |
1435 | # ifdef WIN32 |
1436 | # pragma comment(lib, "dnssd.lib") | |
1437 | # endif /* WIN32 */ | |
38e73f87 MS |
1438 | DNSServiceRef ref, /* DNS-SD master service reference */ |
1439 | domainref, /* DNS-SD service reference for domain */ | |
1440 | localref; /* DNS-SD service reference for .local */ | |
6c48a6ca MS |
1441 | int domainsent = 0, /* Send the domain resolve? */ |
1442 | offline = 0; /* offline-report state set? */ | |
5eb9da71 MS |
1443 | char *regtype, /* Pointer to type in hostname */ |
1444 | *domain; /* Pointer to domain in hostname */ | |
1445 | _http_uribuf_t uribuf; /* URI buffer */ | |
6d2f911b | 1446 | #ifdef HAVE_POLL |
38e73f87 | 1447 | struct pollfd polldata; /* Polling data */ |
6d2f911b MS |
1448 | #else /* select() */ |
1449 | fd_set input_set; /* Input set for select() */ | |
1450 | struct timeval stimeout; /* Timeout value for select() */ | |
1451 | #endif /* HAVE_POLL */ | |
38e73f87 | 1452 | |
eac3a0a0 | 1453 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 | 1454 | fprintf(stderr, "DEBUG: Resolving \"%s\"...\n", hostname); |
5eb9da71 MS |
1455 | |
1456 | /* | |
1457 | * Separate the hostname into service name, registration type, and domain... | |
1458 | */ | |
1459 | ||
1f0275e3 MS |
1460 | for (regtype = strstr(hostname, "._tcp") - 2; |
1461 | regtype > hostname; | |
1462 | regtype --) | |
1463 | if (regtype[0] == '.' && regtype[1] == '_') | |
1464 | { | |
1465 | /* | |
1466 | * Found ._servicetype in front of ._tcp... | |
1467 | */ | |
1468 | ||
1469 | *regtype++ = '\0'; | |
1470 | break; | |
1471 | } | |
1472 | ||
1473 | if (regtype <= hostname) | |
1474 | { | |
e07d4801 | 1475 | DEBUG_puts("5_httpResolveURI: Bad hostname, returning NULL"); |
1f0275e3 MS |
1476 | return (NULL); |
1477 | } | |
5eb9da71 | 1478 | |
5eb9da71 MS |
1479 | for (domain = strchr(regtype, '.'); |
1480 | domain; | |
1481 | domain = strchr(domain + 1, '.')) | |
1482 | if (domain[1] != '_') | |
1483 | break; | |
1484 | ||
1485 | if (domain) | |
1486 | *domain++ = '\0'; | |
1487 | ||
eac3a0a0 MS |
1488 | uribuf.buffer = resolved_uri; |
1489 | uribuf.bufsize = resolved_size; | |
1490 | uribuf.options = options; | |
5eb9da71 MS |
1491 | resolved_uri[0] = '\0'; |
1492 | ||
e07d4801 | 1493 | DEBUG_printf(("6_httpResolveURI: Resolving hostname=\"%s\", regtype=\"%s\", " |
1f0275e3 | 1494 | "domain=\"%s\"\n", hostname, regtype, domain)); |
eac3a0a0 | 1495 | if (options & _HTTP_RESOLVE_STDERR) |
1f0275e3 MS |
1496 | { |
1497 | fputs("STATE: +connecting-to-device\n", stderr); | |
38e73f87 MS |
1498 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"%s\", " |
1499 | "domain=\"local.\"...\n", hostname, regtype); | |
1f0275e3 MS |
1500 | } |
1501 | ||
38e73f87 MS |
1502 | uri = NULL; |
1503 | ||
1504 | if (DNSServiceCreateConnection(&ref) == kDNSServiceErr_NoError) | |
5eb9da71 | 1505 | { |
38e73f87 MS |
1506 | localref = ref; |
1507 | if (DNSServiceResolve(&localref, kDNSServiceFlagsShareConnection, 0, | |
eac3a0a0 | 1508 | hostname, regtype, "local.", http_resolve_cb, |
38e73f87 MS |
1509 | &uribuf) == kDNSServiceErr_NoError) |
1510 | { | |
acb056cb MS |
1511 | int fds; /* Number of ready descriptors */ |
1512 | time_t timeout, /* Poll timeout */ | |
1513 | start_time = time(NULL);/* Start time */ | |
1514 | ||
1515 | for (;;) | |
38e73f87 | 1516 | { |
eac3a0a0 | 1517 | if (options & _HTTP_RESOLVE_STDERR) |
0837b7e8 | 1518 | _cupsLangPrintFilter(stderr, "INFO", _("Looking for printer.")); |
acb056cb | 1519 | |
07ed0e9a MS |
1520 | if (cb && !(*cb)(context)) |
1521 | { | |
1522 | DEBUG_puts("5_httpResolveURI: callback returned 0 (stop)"); | |
1523 | break; | |
1524 | } | |
1525 | ||
38e73f87 | 1526 | /* |
07ed0e9a MS |
1527 | * For the first minute (or forever if we have a callback), wakeup |
1528 | * every 2 seconds to emit a "looking for printer" message... | |
38e73f87 MS |
1529 | */ |
1530 | ||
07ed0e9a | 1531 | timeout = (time(NULL) < (start_time + 60) || cb) ? 2000 : -1; |
acb056cb | 1532 | |
6d2f911b | 1533 | #ifdef HAVE_POLL |
38e73f87 MS |
1534 | polldata.fd = DNSServiceRefSockFD(ref); |
1535 | polldata.events = POLLIN; | |
1536 | ||
acb056cb MS |
1537 | fds = poll(&polldata, 1, timeout); |
1538 | ||
6d2f911b MS |
1539 | #else /* select() */ |
1540 | FD_ZERO(&input_set); | |
1541 | FD_SET(DNSServiceRefSockFD(ref), &input_set); | |
1542 | ||
1543 | stimeout.tv_sec = ((int)timeout) / 1000; | |
1544 | stimeout.tv_usec = ((int)(timeout) * 1000) % 1000000; | |
1545 | ||
88f9aafc MS |
1546 | fds = select(DNSServiceRefSockFD(ref)+1, &input_set, NULL, NULL, |
1547 | timeout < 0.0 ? NULL : &stimeout); | |
6d2f911b MS |
1548 | #endif /* HAVE_POLL */ |
1549 | ||
acb056cb MS |
1550 | if (fds < 0) |
1551 | { | |
1552 | if (errno != EINTR && errno != EAGAIN) | |
1553 | { | |
1554 | DEBUG_printf(("5_httpResolveURI: poll error: %s", strerror(errno))); | |
1555 | break; | |
1556 | } | |
1557 | } | |
1558 | else if (fds == 0) | |
38e73f87 MS |
1559 | { |
1560 | /* | |
acb056cb MS |
1561 | * Wait 2 seconds for a response to the local resolve; if nothing |
1562 | * comes in, do an additional domain resolution... | |
38e73f87 MS |
1563 | */ |
1564 | ||
88f9aafc | 1565 | if (domainsent == 0 && (domain && _cups_strcasecmp(domain, "local."))) |
acb056cb | 1566 | { |
eac3a0a0 | 1567 | if (options & _HTTP_RESOLVE_STDERR) |
acb056cb MS |
1568 | fprintf(stderr, |
1569 | "DEBUG: Resolving \"%s\", regtype=\"%s\", " | |
eac3a0a0 MS |
1570 | "domain=\"%s\"...\n", hostname, regtype, |
1571 | domain ? domain : ""); | |
88f9aafc | 1572 | |
acb056cb | 1573 | domainref = ref; |
eac3a0a0 MS |
1574 | if (DNSServiceResolve(&domainref, kDNSServiceFlagsShareConnection, |
1575 | 0, hostname, regtype, domain, | |
1576 | http_resolve_cb, &uribuf) | |
1577 | == kDNSServiceErr_NoError) | |
acb056cb MS |
1578 | domainsent = 1; |
1579 | } | |
6c48a6ca MS |
1580 | |
1581 | /* | |
1582 | * If it hasn't resolved within 5 seconds set the offline-report | |
1583 | * printer-state-reason... | |
1584 | */ | |
1585 | ||
eac3a0a0 MS |
1586 | if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 && |
1587 | time(NULL) > (start_time + 5)) | |
6c48a6ca MS |
1588 | { |
1589 | fputs("STATE: +offline-report\n", stderr); | |
1590 | offline = 1; | |
1591 | } | |
38e73f87 | 1592 | } |
acb056cb MS |
1593 | else |
1594 | { | |
1595 | if (DNSServiceProcessResult(ref) == kDNSServiceErr_NoError) | |
1596 | { | |
1597 | uri = resolved_uri; | |
1598 | break; | |
1599 | } | |
1600 | } | |
1601 | } | |
38e73f87 MS |
1602 | |
1603 | if (domainsent) | |
1604 | DNSServiceRefDeallocate(domainref); | |
1605 | ||
1606 | DNSServiceRefDeallocate(localref); | |
1607 | } | |
5eb9da71 MS |
1608 | |
1609 | DNSServiceRefDeallocate(ref); | |
1610 | } | |
1f0275e3 | 1611 | |
eac3a0a0 | 1612 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 MS |
1613 | { |
1614 | if (uri) | |
38e73f87 | 1615 | fprintf(stderr, "DEBUG: Resolved as \"%s\"...\n", uri); |
f11a948a | 1616 | else |
4d301e69 | 1617 | fputs("DEBUG: Unable to resolve URI\n", stderr); |
38e73f87 | 1618 | |
6c48a6ca | 1619 | fputs("STATE: -connecting-to-device,offline-report\n", stderr); |
38e73f87 | 1620 | } |
1f0275e3 MS |
1621 | |
1622 | #else | |
1623 | /* | |
1624 | * No DNS-SD support... | |
1625 | */ | |
5eb9da71 MS |
1626 | |
1627 | uri = NULL; | |
1f0275e3 MS |
1628 | #endif /* HAVE_DNSSD */ |
1629 | ||
eac3a0a0 | 1630 | if ((options & _HTTP_RESOLVE_STDERR) && !uri) |
0837b7e8 | 1631 | _cupsLangPrintFilter(stderr, "ERROR", _("Unable to find printer.")); |
5eb9da71 | 1632 | } |
eac3a0a0 MS |
1633 | else |
1634 | { | |
1635 | /* | |
1636 | * Nothing more to do... | |
1637 | */ | |
1638 | ||
1639 | strlcpy(resolved_uri, uri, resolved_size); | |
1640 | uri = resolved_uri; | |
1641 | } | |
5eb9da71 | 1642 | |
e07d4801 | 1643 | DEBUG_printf(("5_httpResolveURI: Returning \"%s\"", uri)); |
1f0275e3 | 1644 | |
5eb9da71 MS |
1645 | return (uri); |
1646 | } | |
1647 | ||
1648 | ||
ef416fc2 | 1649 | /* |
1650 | * 'http_copy_decode()' - Copy and decode a URI. | |
1651 | */ | |
1652 | ||
1653 | static const char * /* O - New source pointer or NULL on error */ | |
88f9aafc | 1654 | http_copy_decode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 1655 | const char *src, /* I - Source pointer */ |
1656 | int dstsize, /* I - Destination size */ | |
a4d04587 | 1657 | const char *term, /* I - Terminating characters */ |
1658 | int decode) /* I - Decode %-encoded values */ | |
ef416fc2 | 1659 | { |
1660 | char *ptr, /* Pointer into buffer */ | |
1661 | *end; /* End of buffer */ | |
1662 | int quoted; /* Quoted character */ | |
1663 | ||
1664 | ||
1665 | /* | |
1666 | * Copy the src to the destination until we hit a terminating character | |
1667 | * or the end of the string. | |
1668 | */ | |
1669 | ||
e00b005a | 1670 | for (ptr = dst, end = dst + dstsize - 1; |
1671 | *src && (!term || !strchr(term, *src)); | |
1672 | src ++) | |
ef416fc2 | 1673 | if (ptr < end) |
1674 | { | |
a4d04587 | 1675 | if (*src == '%' && decode) |
ef416fc2 | 1676 | { |
1677 | if (isxdigit(src[1] & 255) && isxdigit(src[2] & 255)) | |
1678 | { | |
1679 | /* | |
1680 | * Grab a hex-encoded character... | |
1681 | */ | |
1682 | ||
1683 | src ++; | |
1684 | if (isalpha(*src)) | |
1685 | quoted = (tolower(*src) - 'a' + 10) << 4; | |
1686 | else | |
1687 | quoted = (*src - '0') << 4; | |
1688 | ||
1689 | src ++; | |
1690 | if (isalpha(*src)) | |
1691 | quoted |= tolower(*src) - 'a' + 10; | |
1692 | else | |
1693 | quoted |= *src - '0'; | |
1694 | ||
1695 | *ptr++ = quoted; | |
1696 | } | |
1697 | else | |
1698 | { | |
1699 | /* | |
1700 | * Bad hex-encoded character... | |
1701 | */ | |
1702 | ||
1703 | *ptr = '\0'; | |
1704 | return (NULL); | |
1705 | } | |
1706 | } | |
1707 | else | |
1708 | *ptr++ = *src; | |
1709 | } | |
1710 | ||
1711 | *ptr = '\0'; | |
1712 | ||
1713 | return (src); | |
1714 | } | |
1715 | ||
1716 | ||
1717 | /* | |
1718 | * 'http_copy_encode()' - Copy and encode a URI. | |
1719 | */ | |
1720 | ||
1721 | static char * /* O - End of current URI */ | |
88f9aafc | 1722 | http_copy_encode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 1723 | const char *src, /* I - Source pointer */ |
1724 | char *dstend, /* I - End of destination buffer */ | |
a4d04587 | 1725 | const char *reserved, /* I - Extra reserved characters */ |
1726 | const char *term, /* I - Terminating characters */ | |
1727 | int encode) /* I - %-encode reserved chars? */ | |
ef416fc2 | 1728 | { |
ac884b6a | 1729 | static const char hex[] = "0123456789ABCDEF"; |
ef416fc2 | 1730 | |
1731 | ||
1732 | while (*src && dst < dstend) | |
1733 | { | |
a4d04587 | 1734 | if (term && *src == *term) |
1735 | return (dst); | |
1736 | ||
1737 | if (encode && (*src == '%' || *src <= ' ' || *src & 128 || | |
1738 | (reserved && strchr(reserved, *src)))) | |
ef416fc2 | 1739 | { |
1740 | /* | |
1741 | * Hex encode reserved characters... | |
1742 | */ | |
1743 | ||
1744 | if ((dst + 2) >= dstend) | |
1745 | break; | |
1746 | ||
1747 | *dst++ = '%'; | |
1748 | *dst++ = hex[(*src >> 4) & 15]; | |
1749 | *dst++ = hex[*src & 15]; | |
1750 | ||
1751 | src ++; | |
1752 | } | |
1753 | else | |
1754 | *dst++ = *src++; | |
1755 | } | |
1756 | ||
839a51c8 MS |
1757 | *dst = '\0'; |
1758 | ||
ef416fc2 | 1759 | if (*src) |
1760 | return (NULL); | |
1761 | else | |
1762 | return (dst); | |
1763 | } | |
1764 | ||
1765 | ||
5eb9da71 MS |
1766 | #ifdef HAVE_DNSSD |
1767 | /* | |
eac3a0a0 | 1768 | * 'http_resolve_cb()' - Build a device URI for the given service name. |
5eb9da71 MS |
1769 | */ |
1770 | ||
6d2f911b | 1771 | static void DNSSD_API |
eac3a0a0 | 1772 | http_resolve_cb( |
5eb9da71 MS |
1773 | DNSServiceRef sdRef, /* I - Service reference */ |
1774 | DNSServiceFlags flags, /* I - Results flags */ | |
1775 | uint32_t interfaceIndex, /* I - Interface number */ | |
1776 | DNSServiceErrorType errorCode, /* I - Error, if any */ | |
1777 | const char *fullName, /* I - Full service name */ | |
1778 | const char *hostTarget, /* I - Hostname */ | |
1779 | uint16_t port, /* I - Port number */ | |
1780 | uint16_t txtLen, /* I - Length of TXT record */ | |
1781 | const unsigned char *txtRecord, /* I - TXT record data */ | |
1782 | void *context) /* I - Pointer to URI buffer */ | |
1783 | { | |
eac3a0a0 MS |
1784 | const char *scheme, /* URI scheme */ |
1785 | *hostptr; /* Pointer into hostTarget */ | |
1786 | char rp[257], /* Remote printer */ | |
1787 | fqdn[256]; /* FQDN of the .local name */ | |
5eb9da71 MS |
1788 | const void *value; /* Value from TXT record */ |
1789 | uint8_t valueLen; /* Length of value */ | |
1790 | _http_uribuf_t *uribuf; /* URI buffer */ | |
1791 | ||
1792 | ||
eac3a0a0 | 1793 | DEBUG_printf(("7http_resolve_cb(sdRef=%p, flags=%x, interfaceIndex=%u, " |
5eb9da71 | 1794 | "errorCode=%d, fullName=\"%s\", hostTarget=\"%s\", port=%u, " |
e07d4801 | 1795 | "txtLen=%u, txtRecord=%p, context=%p)", sdRef, flags, |
5eb9da71 MS |
1796 | interfaceIndex, errorCode, fullName, hostTarget, port, txtLen, |
1797 | txtRecord, context)); | |
1798 | ||
eac3a0a0 MS |
1799 | uribuf = (_http_uribuf_t *)context; |
1800 | ||
5eb9da71 MS |
1801 | /* |
1802 | * Figure out the scheme from the full name... | |
1803 | */ | |
1804 | ||
eac3a0a0 MS |
1805 | if (strstr(fullName, "._ipps") || strstr(fullName, "._ipp-tls")) |
1806 | scheme = "ipps"; | |
1807 | else if (strstr(fullName, "._ipp") || strstr(fullName, "._fax-ipp")) | |
5eb9da71 | 1808 | scheme = "ipp"; |
eac3a0a0 MS |
1809 | else if (strstr(fullName, "._http.")) |
1810 | scheme = "http"; | |
1811 | else if (strstr(fullName, "._https.")) | |
1812 | scheme = "https"; | |
5eb9da71 MS |
1813 | else if (strstr(fullName, "._printer.")) |
1814 | scheme = "lpd"; | |
1815 | else if (strstr(fullName, "._pdl-datastream.")) | |
1816 | scheme = "socket"; | |
1817 | else | |
1818 | scheme = "riousbprint"; | |
1819 | ||
1820 | /* | |
1821 | * Extract the "remote printer" key from the TXT record... | |
1822 | */ | |
1823 | ||
1824 | if ((value = TXTRecordGetValuePtr(txtLen, txtRecord, "rp", | |
1825 | &valueLen)) != NULL) | |
1826 | { | |
1827 | /* | |
1828 | * Convert to resource by concatenating with a leading "/"... | |
1829 | */ | |
1830 | ||
1831 | rp[0] = '/'; | |
1832 | memcpy(rp + 1, value, valueLen); | |
1833 | rp[valueLen + 1] = '\0'; | |
1834 | } | |
1835 | else | |
1836 | rp[0] = '\0'; | |
1837 | ||
1838 | /* | |
eac3a0a0 | 1839 | * Lookup the FQDN if needed... |
5eb9da71 MS |
1840 | */ |
1841 | ||
eac3a0a0 MS |
1842 | if ((uribuf->options & _HTTP_RESOLVE_FQDN) && |
1843 | (hostptr = hostTarget + strlen(hostTarget) - 7) > hostTarget && | |
88f9aafc | 1844 | !_cups_strcasecmp(hostptr, ".local.")) |
eac3a0a0 MS |
1845 | { |
1846 | /* | |
1847 | * OK, we got a .local name but the caller needs a real domain. Start by | |
1848 | * getting the IP address of the .local name and then do reverse-lookups... | |
1849 | */ | |
1850 | ||
1851 | http_addrlist_t *addrlist, /* List of addresses */ | |
1852 | *addr; /* Current address */ | |
1853 | ||
1854 | DEBUG_printf(("8http_resolve_cb: Looking up \"%s\".", hostTarget)); | |
1855 | ||
1856 | snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port)); | |
1857 | if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL) | |
1858 | { | |
1859 | for (addr = addrlist; addr; addr = addr->next) | |
1860 | { | |
1861 | int error = getnameinfo(&(addr->addr.addr), | |
1862 | httpAddrLength(&(addr->addr)), | |
1863 | fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD); | |
1864 | ||
1865 | if (!error) | |
1866 | { | |
1867 | DEBUG_printf(("8http_resolve_cb: Found \"%s\".", fqdn)); | |
1868 | ||
1869 | if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn || | |
88f9aafc | 1870 | _cups_strcasecmp(hostptr, ".local")) |
eac3a0a0 MS |
1871 | { |
1872 | hostTarget = fqdn; | |
1873 | break; | |
1874 | } | |
1875 | } | |
1876 | #ifdef DEBUG | |
1877 | else | |
1878 | DEBUG_printf(("8http_resolve_cb: \"%s\" did not resolve: %d", | |
1879 | httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)), | |
1880 | error)); | |
1881 | #endif /* DEBUG */ | |
1882 | } | |
1883 | } | |
1884 | } | |
1885 | ||
1886 | /* | |
1887 | * Assemble the final device URI... | |
1888 | */ | |
5eb9da71 MS |
1889 | |
1890 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, uribuf->bufsize, scheme, | |
1891 | NULL, hostTarget, ntohs(port), rp); | |
1892 | ||
eac3a0a0 | 1893 | DEBUG_printf(("8http_resolve_cb: Resolved URI is \"%s\"...", uribuf->buffer)); |
5eb9da71 MS |
1894 | } |
1895 | #endif /* HAVE_DNSSD */ | |
1896 | ||
1897 | ||
ef416fc2 | 1898 | /* |
b19ccc9e | 1899 | * End of "$Id: http-support.c 7952 2008-09-17 00:56:20Z mike $". |
ef416fc2 | 1900 | */ |