]>
Commit | Line | Data |
---|---|---|
ef416fc2 | 1 | /* |
5ec1fd3d | 2 | * HTTP support routines for CUPS. |
ef416fc2 | 3 | * |
fdaf028e | 4 | * Copyright 2007-2018 by Apple Inc. |
5ec1fd3d | 5 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 6 | * |
fdaf028e MS |
7 | * Licensed under Apache License v2.0. See the file "LICENSE" for more |
8 | * information. | |
ef416fc2 | 9 | */ |
10 | ||
11 | /* | |
12 | * Include necessary headers... | |
13 | */ | |
14 | ||
71e16022 | 15 | #include "cups-private.h" |
5eb9da71 MS |
16 | #ifdef HAVE_DNSSD |
17 | # include <dns_sd.h> | |
6d2f911b MS |
18 | # ifdef WIN32 |
19 | # include <io.h> | |
20 | # elif defined(HAVE_POLL) | |
21 | # include <poll.h> | |
22 | # else | |
23 | # include <sys/select.h> | |
24 | # endif /* WIN32 */ | |
f3c17241 MS |
25 | #elif defined(HAVE_AVAHI) |
26 | # include <avahi-client/client.h> | |
27 | # include <avahi-client/lookup.h> | |
28 | # include <avahi-common/simple-watch.h> | |
5eb9da71 MS |
29 | #endif /* HAVE_DNSSD */ |
30 | ||
31 | ||
32 | /* | |
33 | * Local types... | |
34 | */ | |
35 | ||
36 | typedef struct _http_uribuf_s /* URI buffer */ | |
37 | { | |
f3c17241 MS |
38 | #ifdef HAVE_AVAHI |
39 | AvahiSimplePoll *poll; /* Poll state */ | |
40 | #endif /* HAVE_AVAHI */ | |
41 | char *buffer; /* Pointer to buffer */ | |
42 | size_t bufsize; /* Size of buffer */ | |
43 | int options; /* Options passed to _httpResolveURI */ | |
5a9febac | 44 | const char *resource; /* Resource from URI */ |
2c3f5865 | 45 | const char *uuid; /* UUID from URI */ |
5eb9da71 | 46 | } _http_uribuf_t; |
ef416fc2 | 47 | |
48 | ||
49 | /* | |
50 | * Local globals... | |
51 | */ | |
52 | ||
5ec1fd3d | 53 | static const char * const http_days[7] =/* Days of the week */ |
ef416fc2 | 54 | { |
0a682745 MS |
55 | "Sun", |
56 | "Mon", | |
ef416fc2 | 57 | "Tue", |
58 | "Wed", | |
59 | "Thu", | |
60 | "Fri", | |
61 | "Sat" | |
62 | }; | |
63 | static const char * const http_months[12] = | |
5ec1fd3d | 64 | { /* Months of the year */ |
ef416fc2 | 65 | "Jan", |
66 | "Feb", | |
67 | "Mar", | |
68 | "Apr", | |
69 | "May", | |
70 | "Jun", | |
71 | "Jul", | |
72 | "Aug", | |
73 | "Sep", | |
74 | "Oct", | |
75 | "Nov", | |
76 | "Dec" | |
77 | }; | |
5ec1fd3d MS |
78 | static const char * const http_states[] = |
79 | { /* HTTP state strings */ | |
80 | "HTTP_STATE_ERROR", | |
81 | "HTTP_STATE_WAITING", | |
82 | "HTTP_STATE_OPTIONS", | |
83 | "HTTP_STATE_GET", | |
84 | "HTTP_STATE_GET_SEND", | |
85 | "HTTP_STATE_HEAD", | |
86 | "HTTP_STATE_POST", | |
87 | "HTTP_STATE_POST_RECV", | |
88 | "HTTP_STATE_POST_SEND", | |
89 | "HTTP_STATE_PUT", | |
90 | "HTTP_STATE_PUT_RECV", | |
91 | "HTTP_STATE_DELETE", | |
92 | "HTTP_STATE_TRACE", | |
93 | "HTTP_STATE_CONNECT", | |
94 | "HTTP_STATE_STATUS", | |
95 | "HTTP_STATE_UNKNOWN_METHOD", | |
96 | "HTTP_STATE_UNKNOWN_VERSION" | |
97 | }; | |
ef416fc2 | 98 | |
99 | ||
100 | /* | |
101 | * Local functions... | |
102 | */ | |
103 | ||
104 | static const char *http_copy_decode(char *dst, const char *src, | |
a4d04587 | 105 | int dstsize, const char *term, |
106 | int decode); | |
ef416fc2 | 107 | static char *http_copy_encode(char *dst, const char *src, |
a4d04587 | 108 | char *dstend, const char *reserved, |
109 | const char *term, int encode); | |
5eb9da71 | 110 | #ifdef HAVE_DNSSD |
eac3a0a0 MS |
111 | static void DNSSD_API http_resolve_cb(DNSServiceRef sdRef, |
112 | DNSServiceFlags flags, | |
113 | uint32_t interfaceIndex, | |
114 | DNSServiceErrorType errorCode, | |
115 | const char *fullName, | |
116 | const char *hostTarget, | |
117 | uint16_t port, uint16_t txtLen, | |
118 | const unsigned char *txtRecord, | |
119 | void *context); | |
5eb9da71 | 120 | #endif /* HAVE_DNSSD */ |
ef416fc2 | 121 | |
f3c17241 MS |
122 | #ifdef HAVE_AVAHI |
123 | static void http_client_cb(AvahiClient *client, | |
124 | AvahiClientState state, void *simple_poll); | |
125 | static int http_poll_cb(struct pollfd *pollfds, unsigned int num_pollfds, | |
126 | int timeout, void *context); | |
127 | static void http_resolve_cb(AvahiServiceResolver *resolver, | |
128 | AvahiIfIndex interface, | |
129 | AvahiProtocol protocol, | |
130 | AvahiResolverEvent event, | |
131 | const char *name, const char *type, | |
132 | const char *domain, const char *host_name, | |
133 | const AvahiAddress *address, uint16_t port, | |
134 | AvahiStringList *txt, | |
135 | AvahiLookupResultFlags flags, void *context); | |
136 | #endif /* HAVE_AVAHI */ | |
137 | ||
ef416fc2 | 138 | |
139 | /* | |
140 | * 'httpAssembleURI()' - Assemble a uniform resource identifier from its | |
141 | * components. | |
142 | * | |
ecdc0628 | 143 | * This function escapes reserved characters in the URI depending on the |
144 | * value of the "encoding" argument. You should use this function in | |
145 | * place of traditional string functions whenever you need to create a | |
146 | * URI string. | |
ef416fc2 | 147 | * |
8072030b | 148 | * @since CUPS 1.2/macOS 10.5@ |
ef416fc2 | 149 | */ |
150 | ||
151 | http_uri_status_t /* O - URI status */ | |
a4d04587 | 152 | httpAssembleURI( |
153 | http_uri_coding_t encoding, /* I - Encoding flags */ | |
154 | char *uri, /* I - URI buffer */ | |
155 | int urilen, /* I - Size of URI buffer */ | |
156 | const char *scheme, /* I - Scheme name */ | |
157 | const char *username, /* I - Username */ | |
158 | const char *host, /* I - Hostname or address */ | |
159 | int port, /* I - Port number */ | |
160 | const char *resource) /* I - Resource */ | |
ef416fc2 | 161 | { |
162 | char *ptr, /* Pointer into URI buffer */ | |
163 | *end; /* End of URI buffer */ | |
ef416fc2 | 164 | |
165 | ||
166 | /* | |
167 | * Range check input... | |
168 | */ | |
169 | ||
170 | if (!uri || urilen < 1 || !scheme || port < 0) | |
171 | { | |
172 | if (uri) | |
173 | *uri = '\0'; | |
174 | ||
cb7f98ee | 175 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
ef416fc2 | 176 | } |
177 | ||
178 | /* | |
179 | * Assemble the URI starting with the scheme... | |
180 | */ | |
181 | ||
182 | end = uri + urilen - 1; | |
a4d04587 | 183 | ptr = http_copy_encode(uri, scheme, end, NULL, NULL, 0); |
ef416fc2 | 184 | |
185 | if (!ptr) | |
186 | goto assemble_overflow; | |
187 | ||
60bc88e1 | 188 | if (!strcmp(scheme, "geo") || !strcmp(scheme, "mailto") || !strcmp(scheme, "tel")) |
ef416fc2 | 189 | { |
190 | /* | |
60bc88e1 | 191 | * geo:, mailto:, and tel: only have :, no //... |
ef416fc2 | 192 | */ |
193 | ||
194 | if (ptr < end) | |
195 | *ptr++ = ':'; | |
196 | else | |
197 | goto assemble_overflow; | |
198 | } | |
199 | else | |
200 | { | |
201 | /* | |
60bc88e1 | 202 | * Schemes other than geo:, mailto:, and tel: typically have //... |
ef416fc2 | 203 | */ |
204 | ||
205 | if ((ptr + 2) < end) | |
206 | { | |
207 | *ptr++ = ':'; | |
208 | *ptr++ = '/'; | |
209 | *ptr++ = '/'; | |
210 | } | |
211 | else | |
212 | goto assemble_overflow; | |
213 | } | |
214 | ||
215 | /* | |
216 | * Next the username and hostname, if any... | |
217 | */ | |
218 | ||
219 | if (host) | |
220 | { | |
ff862e50 MS |
221 | const char *hostptr; /* Pointer into hostname */ |
222 | int have_ipv6; /* Do we have an IPv6 address? */ | |
223 | ||
ef416fc2 | 224 | if (username && *username) |
225 | { | |
226 | /* | |
227 | * Add username@ first... | |
228 | */ | |
229 | ||
85dda01c | 230 | ptr = http_copy_encode(ptr, username, end, "/?#[]@", NULL, |
a4d04587 | 231 | encoding & HTTP_URI_CODING_USERNAME); |
ef416fc2 | 232 | |
233 | if (!ptr) | |
234 | goto assemble_overflow; | |
235 | ||
236 | if (ptr < end) | |
237 | *ptr++ = '@'; | |
238 | else | |
239 | goto assemble_overflow; | |
240 | } | |
241 | ||
242 | /* | |
243 | * Then add the hostname. Since IPv6 is a particular pain to deal | |
c9fc04c6 | 244 | * with, we have several special cases to deal with. If we get |
ef416fc2 | 245 | * an IPv6 address with brackets around it, assume it is already in |
c9fc04c6 MS |
246 | * URI format. Since DNS-SD service names can sometimes look like |
247 | * raw IPv6 addresses, we specifically look for "._tcp" in the name, | |
248 | * too... | |
ef416fc2 | 249 | */ |
250 | ||
ff862e50 MS |
251 | for (hostptr = host, |
252 | have_ipv6 = strchr(host, ':') && !strstr(host, "._tcp"); | |
253 | *hostptr && have_ipv6; | |
254 | hostptr ++) | |
255 | if (*hostptr != ':' && !isxdigit(*hostptr & 255)) | |
256 | { | |
257 | have_ipv6 = *hostptr == '%'; | |
258 | break; | |
259 | } | |
260 | ||
261 | if (have_ipv6) | |
ef416fc2 | 262 | { |
263 | /* | |
c9fc04c6 | 264 | * We have a raw IPv6 address... |
ef416fc2 | 265 | */ |
266 | ||
86c809d9 | 267 | if (strchr(host, '%') && !(encoding & HTTP_URI_CODING_RFC6874)) |
ef416fc2 | 268 | { |
269 | /* | |
270 | * We have a link-local address, add "[v1." prefix... | |
271 | */ | |
272 | ||
273 | if ((ptr + 4) < end) | |
274 | { | |
275 | *ptr++ = '['; | |
276 | *ptr++ = 'v'; | |
277 | *ptr++ = '1'; | |
278 | *ptr++ = '.'; | |
279 | } | |
280 | else | |
281 | goto assemble_overflow; | |
282 | } | |
283 | else | |
284 | { | |
285 | /* | |
ff862e50 | 286 | * We have a normal (or RFC 6874 link-local) address, add "[" prefix... |
ef416fc2 | 287 | */ |
288 | ||
289 | if (ptr < end) | |
290 | *ptr++ = '['; | |
291 | else | |
292 | goto assemble_overflow; | |
293 | } | |
294 | ||
295 | /* | |
296 | * Copy the rest of the IPv6 address, and terminate with "]". | |
297 | */ | |
298 | ||
299 | while (ptr < end && *host) | |
300 | { | |
301 | if (*host == '%') | |
86c809d9 MS |
302 | { |
303 | /* | |
304 | * Convert/encode zone separator | |
305 | */ | |
306 | ||
307 | if (encoding & HTTP_URI_CODING_RFC6874) | |
308 | { | |
309 | if (ptr >= (end - 2)) | |
310 | goto assemble_overflow; | |
311 | ||
312 | *ptr++ = '%'; | |
313 | *ptr++ = '2'; | |
314 | *ptr++ = '5'; | |
315 | } | |
316 | else | |
317 | *ptr++ = '+'; | |
318 | ||
ef416fc2 | 319 | host ++; |
320 | } | |
321 | else | |
322 | *ptr++ = *host++; | |
323 | } | |
324 | ||
325 | if (*host) | |
326 | goto assemble_overflow; | |
327 | ||
328 | if (ptr < end) | |
329 | *ptr++ = ']'; | |
330 | else | |
331 | goto assemble_overflow; | |
332 | } | |
333 | else | |
334 | { | |
335 | /* | |
ff862e50 MS |
336 | * Otherwise, just copy the host string (the extra chars are not in the |
337 | * "reg-name" ABNF rule; anything <= SP or >= DEL plus % gets automatically | |
338 | * percent-encoded. | |
ef416fc2 | 339 | */ |
ff862e50 MS |
340 | |
341 | ptr = http_copy_encode(ptr, host, end, "\"#/:<>?@[\\]^`{|}", NULL, | |
a4d04587 | 342 | encoding & HTTP_URI_CODING_HOSTNAME); |
ef416fc2 | 343 | |
344 | if (!ptr) | |
345 | goto assemble_overflow; | |
346 | } | |
347 | ||
348 | /* | |
349 | * Finish things off with the port number... | |
350 | */ | |
351 | ||
352 | if (port > 0) | |
353 | { | |
07623986 | 354 | snprintf(ptr, (size_t)(end - ptr + 1), ":%d", port); |
ef416fc2 | 355 | ptr += strlen(ptr); |
356 | ||
357 | if (ptr >= end) | |
358 | goto assemble_overflow; | |
359 | } | |
360 | } | |
361 | ||
362 | /* | |
363 | * Last but not least, add the resource string... | |
364 | */ | |
365 | ||
a4d04587 | 366 | if (resource) |
ef416fc2 | 367 | { |
fa73b229 | 368 | char *query; /* Pointer to query string */ |
369 | ||
370 | ||
fa73b229 | 371 | /* |
a4d04587 | 372 | * Copy the resource string up to the query string if present... |
fa73b229 | 373 | */ |
374 | ||
a4d04587 | 375 | query = strchr(resource, '?'); |
376 | ptr = http_copy_encode(ptr, resource, end, NULL, "?", | |
377 | encoding & HTTP_URI_CODING_RESOURCE); | |
ef416fc2 | 378 | if (!ptr) |
379 | goto assemble_overflow; | |
fa73b229 | 380 | |
381 | if (query) | |
382 | { | |
383 | /* | |
384 | * Copy query string without encoding... | |
385 | */ | |
386 | ||
a4d04587 | 387 | ptr = http_copy_encode(ptr, query, end, NULL, NULL, |
388 | encoding & HTTP_URI_CODING_QUERY); | |
389 | if (!ptr) | |
390 | goto assemble_overflow; | |
fa73b229 | 391 | } |
ef416fc2 | 392 | } |
393 | else if (ptr < end) | |
394 | *ptr++ = '/'; | |
395 | else | |
396 | goto assemble_overflow; | |
397 | ||
398 | /* | |
399 | * Nul-terminate the URI buffer and return with no errors... | |
400 | */ | |
401 | ||
402 | *ptr = '\0'; | |
403 | ||
cb7f98ee | 404 | return (HTTP_URI_STATUS_OK); |
ef416fc2 | 405 | |
406 | /* | |
407 | * Clear the URI string and return an overflow error; I don't usually | |
408 | * like goto's, but in this case it makes sense... | |
409 | */ | |
410 | ||
411 | assemble_overflow: | |
412 | ||
413 | *uri = '\0'; | |
cb7f98ee | 414 | return (HTTP_URI_STATUS_OVERFLOW); |
ef416fc2 | 415 | } |
416 | ||
417 | ||
a4d04587 | 418 | /* |
419 | * 'httpAssembleURIf()' - Assemble a uniform resource identifier from its | |
420 | * components with a formatted resource. | |
421 | * | |
422 | * This function creates a formatted version of the resource string | |
ecdc0628 | 423 | * argument "resourcef" and escapes reserved characters in the URI |
424 | * depending on the value of the "encoding" argument. You should use | |
425 | * this function in place of traditional string functions whenever | |
426 | * you need to create a URI string. | |
a4d04587 | 427 | * |
8072030b | 428 | * @since CUPS 1.2/macOS 10.5@ |
a4d04587 | 429 | */ |
430 | ||
431 | http_uri_status_t /* O - URI status */ | |
432 | httpAssembleURIf( | |
433 | http_uri_coding_t encoding, /* I - Encoding flags */ | |
434 | char *uri, /* I - URI buffer */ | |
435 | int urilen, /* I - Size of URI buffer */ | |
436 | const char *scheme, /* I - Scheme name */ | |
437 | const char *username, /* I - Username */ | |
438 | const char *host, /* I - Hostname or address */ | |
439 | int port, /* I - Port number */ | |
440 | const char *resourcef, /* I - Printf-style resource */ | |
441 | ...) /* I - Additional arguments as needed */ | |
442 | { | |
443 | va_list ap; /* Pointer to additional arguments */ | |
444 | char resource[1024]; /* Formatted resource string */ | |
445 | int bytes; /* Bytes in formatted string */ | |
446 | ||
447 | ||
448 | /* | |
449 | * Range check input... | |
450 | */ | |
451 | ||
452 | if (!uri || urilen < 1 || !scheme || port < 0 || !resourcef) | |
453 | { | |
454 | if (uri) | |
455 | *uri = '\0'; | |
456 | ||
cb7f98ee | 457 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
a4d04587 | 458 | } |
459 | ||
460 | /* | |
461 | * Format the resource string and assemble the URI... | |
462 | */ | |
463 | ||
464 | va_start(ap, resourcef); | |
465 | bytes = vsnprintf(resource, sizeof(resource), resourcef, ap); | |
466 | va_end(ap); | |
467 | ||
7e86f2f6 | 468 | if ((size_t)bytes >= sizeof(resource)) |
a4d04587 | 469 | { |
470 | *uri = '\0'; | |
cb7f98ee | 471 | return (HTTP_URI_STATUS_OVERFLOW); |
a4d04587 | 472 | } |
473 | else | |
474 | return (httpAssembleURI(encoding, uri, urilen, scheme, username, host, | |
475 | port, resource)); | |
476 | } | |
477 | ||
478 | ||
07ed0e9a | 479 | /* |
0fa6c7fa MS |
480 | * 'httpAssembleUUID()' - Assemble a name-based UUID URN conforming to RFC 4122. |
481 | * | |
482 | * This function creates a unique 128-bit identifying number using the server | |
483 | * name, port number, random data, and optionally an object name and/or object | |
484 | * number. The result is formatted as a UUID URN as defined in RFC 4122. | |
07ed0e9a MS |
485 | * |
486 | * The buffer needs to be at least 46 bytes in size. | |
6961465f | 487 | * |
8072030b | 488 | * @since CUPS 1.7/macOS 10.9@ |
07ed0e9a MS |
489 | */ |
490 | ||
491 | char * /* I - UUID string */ | |
0fa6c7fa MS |
492 | httpAssembleUUID(const char *server, /* I - Server name */ |
493 | int port, /* I - Port number */ | |
494 | const char *name, /* I - Object name or NULL */ | |
495 | int number, /* I - Object number or 0 */ | |
496 | char *buffer, /* I - String buffer */ | |
497 | size_t bufsize) /* I - Size of buffer */ | |
07ed0e9a MS |
498 | { |
499 | char data[1024]; /* Source string for MD5 */ | |
07ed0e9a MS |
500 | unsigned char md5sum[16]; /* MD5 digest/sum */ |
501 | ||
502 | ||
503 | /* | |
504 | * Build a version 3 UUID conforming to RFC 4122. | |
505 | * | |
506 | * Start with the MD5 sum of the server, port, object name and | |
507 | * number, and some random data on the end. | |
508 | */ | |
509 | ||
510 | snprintf(data, sizeof(data), "%s:%d:%s:%d:%04x:%04x", server, | |
511 | port, name ? name : server, number, | |
f99f3698 | 512 | (unsigned)CUPS_RAND() & 0xffff, (unsigned)CUPS_RAND() & 0xffff); |
07ed0e9a | 513 | |
7ec11630 | 514 | cupsHashData("md5", (unsigned char *)data, strlen(data), md5sum, sizeof(md5sum)); |
07ed0e9a MS |
515 | |
516 | /* | |
517 | * Generate the UUID from the MD5... | |
518 | */ | |
519 | ||
520 | snprintf(buffer, bufsize, | |
521 | "urn:uuid:%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-" | |
522 | "%02x%02x%02x%02x%02x%02x", | |
523 | md5sum[0], md5sum[1], md5sum[2], md5sum[3], md5sum[4], md5sum[5], | |
524 | (md5sum[6] & 15) | 0x30, md5sum[7], (md5sum[8] & 0x3f) | 0x40, | |
525 | md5sum[9], md5sum[10], md5sum[11], md5sum[12], md5sum[13], | |
526 | md5sum[14], md5sum[15]); | |
527 | ||
528 | return (buffer); | |
529 | } | |
530 | ||
531 | ||
ef416fc2 | 532 | /* |
533 | * 'httpDecode64()' - Base64-decode a string. | |
ecdc0628 | 534 | * |
535 | * This function is deprecated. Use the httpDecode64_2() function instead | |
536 | * which provides buffer length arguments. | |
537 | * | |
53af7f21 | 538 | * @deprecated@ @exclude all@ |
ef416fc2 | 539 | */ |
540 | ||
541 | char * /* O - Decoded string */ | |
542 | httpDecode64(char *out, /* I - String to write to */ | |
543 | const char *in) /* I - String to read from */ | |
544 | { | |
545 | int outlen; /* Output buffer length */ | |
546 | ||
547 | ||
548 | /* | |
549 | * Use the old maximum buffer size for binary compatibility... | |
550 | */ | |
551 | ||
552 | outlen = 512; | |
553 | ||
554 | return (httpDecode64_2(out, &outlen, in)); | |
555 | } | |
556 | ||
557 | ||
558 | /* | |
559 | * 'httpDecode64_2()' - Base64-decode a string. | |
560 | * | |
98d88c8d MS |
561 | * The caller must initialize "outlen" to the maximum size of the decoded |
562 | * string before calling @code httpDecode64_2@. On return "outlen" contains the | |
563 | * decoded length of the string. | |
564 | * | |
8072030b | 565 | * @since CUPS 1.1.21/macOS 10.4@ |
ef416fc2 | 566 | */ |
567 | ||
568 | char * /* O - Decoded string */ | |
569 | httpDecode64_2(char *out, /* I - String to write to */ | |
570 | int *outlen, /* IO - Size of output string */ | |
571 | const char *in) /* I - String to read from */ | |
572 | { | |
7e86f2f6 MS |
573 | int pos; /* Bit position */ |
574 | unsigned base64; /* Value of this character */ | |
575 | char *outptr, /* Output pointer */ | |
576 | *outend; /* End of output buffer */ | |
ef416fc2 | 577 | |
578 | ||
579 | /* | |
580 | * Range check input... | |
581 | */ | |
582 | ||
fa73b229 | 583 | if (!out || !outlen || *outlen < 1 || !in) |
ef416fc2 | 584 | return (NULL); |
585 | ||
fa73b229 | 586 | if (!*in) |
587 | { | |
588 | *out = '\0'; | |
589 | *outlen = 0; | |
590 | ||
591 | return (out); | |
592 | } | |
593 | ||
ef416fc2 | 594 | /* |
595 | * Convert from base-64 to bytes... | |
596 | */ | |
597 | ||
598 | for (outptr = out, outend = out + *outlen - 1, pos = 0; *in != '\0'; in ++) | |
599 | { | |
600 | /* | |
601 | * Decode this character into a number from 0 to 63... | |
602 | */ | |
603 | ||
604 | if (*in >= 'A' && *in <= 'Z') | |
7e86f2f6 | 605 | base64 = (unsigned)(*in - 'A'); |
ef416fc2 | 606 | else if (*in >= 'a' && *in <= 'z') |
7e86f2f6 | 607 | base64 = (unsigned)(*in - 'a' + 26); |
ef416fc2 | 608 | else if (*in >= '0' && *in <= '9') |
7e86f2f6 | 609 | base64 = (unsigned)(*in - '0' + 52); |
ef416fc2 | 610 | else if (*in == '+') |
611 | base64 = 62; | |
612 | else if (*in == '/') | |
613 | base64 = 63; | |
614 | else if (*in == '=') | |
615 | break; | |
616 | else | |
617 | continue; | |
618 | ||
619 | /* | |
620 | * Store the result in the appropriate chars... | |
621 | */ | |
622 | ||
623 | switch (pos) | |
624 | { | |
625 | case 0 : | |
626 | if (outptr < outend) | |
7e86f2f6 | 627 | *outptr = (char)(base64 << 2); |
ef416fc2 | 628 | pos ++; |
629 | break; | |
630 | case 1 : | |
631 | if (outptr < outend) | |
7e86f2f6 | 632 | *outptr++ |= (char)((base64 >> 4) & 3); |
ef416fc2 | 633 | if (outptr < outend) |
7e86f2f6 | 634 | *outptr = (char)((base64 << 4) & 255); |
ef416fc2 | 635 | pos ++; |
636 | break; | |
637 | case 2 : | |
638 | if (outptr < outend) | |
7e86f2f6 | 639 | *outptr++ |= (char)((base64 >> 2) & 15); |
ef416fc2 | 640 | if (outptr < outend) |
7e86f2f6 | 641 | *outptr = (char)((base64 << 6) & 255); |
ef416fc2 | 642 | pos ++; |
643 | break; | |
644 | case 3 : | |
645 | if (outptr < outend) | |
7d5824d6 | 646 | *outptr++ |= (char)base64; |
ef416fc2 | 647 | pos = 0; |
648 | break; | |
649 | } | |
650 | } | |
651 | ||
652 | *outptr = '\0'; | |
653 | ||
654 | /* | |
655 | * Return the decoded string and size... | |
656 | */ | |
657 | ||
658 | *outlen = (int)(outptr - out); | |
659 | ||
660 | return (out); | |
661 | } | |
662 | ||
663 | ||
664 | /* | |
665 | * 'httpEncode64()' - Base64-encode a string. | |
ecdc0628 | 666 | * |
667 | * This function is deprecated. Use the httpEncode64_2() function instead | |
668 | * which provides buffer length arguments. | |
669 | * | |
53af7f21 | 670 | * @deprecated@ @exclude all@ |
ef416fc2 | 671 | */ |
672 | ||
673 | char * /* O - Encoded string */ | |
674 | httpEncode64(char *out, /* I - String to write to */ | |
675 | const char *in) /* I - String to read from */ | |
676 | { | |
b86bc4cf | 677 | return (httpEncode64_2(out, 512, in, (int)strlen(in))); |
ef416fc2 | 678 | } |
679 | ||
680 | ||
681 | /* | |
682 | * 'httpEncode64_2()' - Base64-encode a string. | |
683 | * | |
8072030b | 684 | * @since CUPS 1.1.21/macOS 10.4@ |
ef416fc2 | 685 | */ |
686 | ||
687 | char * /* O - Encoded string */ | |
688 | httpEncode64_2(char *out, /* I - String to write to */ | |
98d88c8d | 689 | int outlen, /* I - Maximum size of output string */ |
ef416fc2 | 690 | const char *in, /* I - String to read from */ |
691 | int inlen) /* I - Size of input string */ | |
692 | { | |
693 | char *outptr, /* Output pointer */ | |
694 | *outend; /* End of output buffer */ | |
695 | static const char base64[] = /* Base64 characters... */ | |
696 | { | |
697 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
698 | "abcdefghijklmnopqrstuvwxyz" | |
699 | "0123456789" | |
700 | "+/" | |
701 | }; | |
702 | ||
703 | ||
704 | /* | |
705 | * Range check input... | |
706 | */ | |
707 | ||
708 | if (!out || outlen < 1 || !in) | |
709 | return (NULL); | |
710 | ||
711 | /* | |
712 | * Convert bytes to base-64... | |
713 | */ | |
714 | ||
715 | for (outptr = out, outend = out + outlen - 1; inlen > 0; in ++, inlen --) | |
716 | { | |
717 | /* | |
718 | * Encode the up to 3 characters as 4 Base64 numbers... | |
719 | */ | |
720 | ||
721 | if (outptr < outend) | |
722 | *outptr ++ = base64[(in[0] & 255) >> 2]; | |
26d47ec6 | 723 | |
ef416fc2 | 724 | if (outptr < outend) |
26d47ec6 | 725 | { |
726 | if (inlen > 1) | |
727 | *outptr ++ = base64[(((in[0] & 255) << 4) | ((in[1] & 255) >> 4)) & 63]; | |
728 | else | |
729 | *outptr ++ = base64[((in[0] & 255) << 4) & 63]; | |
730 | } | |
ef416fc2 | 731 | |
732 | in ++; | |
733 | inlen --; | |
734 | if (inlen <= 0) | |
735 | { | |
736 | if (outptr < outend) | |
737 | *outptr ++ = '='; | |
738 | if (outptr < outend) | |
739 | *outptr ++ = '='; | |
740 | break; | |
741 | } | |
742 | ||
743 | if (outptr < outend) | |
26d47ec6 | 744 | { |
745 | if (inlen > 1) | |
746 | *outptr ++ = base64[(((in[0] & 255) << 2) | ((in[1] & 255) >> 6)) & 63]; | |
747 | else | |
748 | *outptr ++ = base64[((in[0] & 255) << 2) & 63]; | |
749 | } | |
ef416fc2 | 750 | |
751 | in ++; | |
752 | inlen --; | |
753 | if (inlen <= 0) | |
754 | { | |
755 | if (outptr < outend) | |
756 | *outptr ++ = '='; | |
757 | break; | |
758 | } | |
759 | ||
760 | if (outptr < outend) | |
761 | *outptr ++ = base64[in[0] & 63]; | |
762 | } | |
763 | ||
764 | *outptr = '\0'; | |
765 | ||
766 | /* | |
767 | * Return the encoded string... | |
768 | */ | |
769 | ||
770 | return (out); | |
771 | } | |
772 | ||
773 | ||
774 | /* | |
775 | * 'httpGetDateString()' - Get a formatted date/time string from a time value. | |
776 | * | |
53af7f21 | 777 | * @deprecated@ @exclude all@ |
ef416fc2 | 778 | */ |
779 | ||
780 | const char * /* O - Date/time string */ | |
98d88c8d | 781 | httpGetDateString(time_t t) /* I - Time in seconds */ |
ef416fc2 | 782 | { |
783 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
784 | ||
785 | ||
786 | return (httpGetDateString2(t, cg->http_date, sizeof(cg->http_date))); | |
787 | } | |
788 | ||
789 | ||
790 | /* | |
791 | * 'httpGetDateString2()' - Get a formatted date/time string from a time value. | |
792 | * | |
8072030b | 793 | * @since CUPS 1.2/macOS 10.5@ |
ef416fc2 | 794 | */ |
795 | ||
796 | const char * /* O - Date/time string */ | |
98d88c8d | 797 | httpGetDateString2(time_t t, /* I - Time in seconds */ |
ef416fc2 | 798 | char *s, /* I - String buffer */ |
799 | int slen) /* I - Size of string buffer */ | |
800 | { | |
801 | struct tm *tdate; /* UNIX date/time data */ | |
802 | ||
803 | ||
804 | tdate = gmtime(&t); | |
3e7fe0ca | 805 | if (tdate) |
07623986 | 806 | 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 |
807 | else |
808 | s[0] = '\0'; | |
ef416fc2 | 809 | |
810 | return (s); | |
811 | } | |
812 | ||
813 | ||
814 | /* | |
815 | * 'httpGetDateTime()' - Get a time value from a formatted date/time string. | |
816 | */ | |
817 | ||
98d88c8d | 818 | time_t /* O - Time in seconds */ |
ef416fc2 | 819 | httpGetDateTime(const char *s) /* I - Date/time string */ |
820 | { | |
821 | int i; /* Looping var */ | |
822 | char mon[16]; /* Abbreviated month name */ | |
823 | int day, year; /* Day of month and year */ | |
824 | int hour, min, sec; /* Time */ | |
825 | int days; /* Number of days since 1970 */ | |
826 | static const int normal_days[] = /* Days to a month, normal years */ | |
827 | { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }; | |
828 | static const int leap_days[] = /* Days to a month, leap years */ | |
829 | { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }; | |
830 | ||
831 | ||
e07d4801 | 832 | DEBUG_printf(("2httpGetDateTime(s=\"%s\")", s)); |
ef416fc2 | 833 | |
834 | /* | |
835 | * Extract the date and time from the formatted string... | |
836 | */ | |
837 | ||
838 | if (sscanf(s, "%*s%d%15s%d%d:%d:%d", &day, mon, &year, &hour, &min, &sec) < 6) | |
839 | return (0); | |
840 | ||
e07d4801 MS |
841 | DEBUG_printf(("4httpGetDateTime: day=%d, mon=\"%s\", year=%d, hour=%d, " |
842 | "min=%d, sec=%d", day, mon, year, hour, min, sec)); | |
ef416fc2 | 843 | |
844 | /* | |
845 | * Convert the month name to a number from 0 to 11. | |
846 | */ | |
847 | ||
848 | for (i = 0; i < 12; i ++) | |
88f9aafc | 849 | if (!_cups_strcasecmp(mon, http_months[i])) |
ef416fc2 | 850 | break; |
851 | ||
852 | if (i >= 12) | |
853 | return (0); | |
854 | ||
e07d4801 | 855 | DEBUG_printf(("4httpGetDateTime: i=%d", i)); |
ef416fc2 | 856 | |
857 | /* | |
858 | * Now convert the date and time to a UNIX time value in seconds since | |
859 | * 1970. We can't use mktime() since the timezone may not be UTC but | |
860 | * the date/time string *is* UTC. | |
861 | */ | |
862 | ||
863 | if ((year & 3) == 0 && ((year % 100) != 0 || (year % 400) == 0)) | |
864 | days = leap_days[i] + day - 1; | |
865 | else | |
866 | days = normal_days[i] + day - 1; | |
867 | ||
e07d4801 | 868 | DEBUG_printf(("4httpGetDateTime: days=%d", days)); |
ef416fc2 | 869 | |
870 | days += (year - 1970) * 365 + /* 365 days per year (normally) */ | |
871 | ((year - 1) / 4 - 492) - /* + leap days */ | |
872 | ((year - 1) / 100 - 19) + /* - 100 year days */ | |
873 | ((year - 1) / 400 - 4); /* + 400 year days */ | |
874 | ||
e07d4801 | 875 | DEBUG_printf(("4httpGetDateTime: days=%d\n", days)); |
ef416fc2 | 876 | |
877 | return (days * 86400 + hour * 3600 + min * 60 + sec); | |
878 | } | |
879 | ||
880 | ||
881 | /* | |
882 | * 'httpSeparate()' - Separate a Universal Resource Identifier into its | |
883 | * components. | |
ecdc0628 | 884 | * |
885 | * This function is deprecated; use the httpSeparateURI() function instead. | |
886 | * | |
53af7f21 | 887 | * @deprecated@ @exclude all@ |
ef416fc2 | 888 | */ |
889 | ||
890 | void | |
891 | httpSeparate(const char *uri, /* I - Universal Resource Identifier */ | |
892 | char *scheme, /* O - Scheme [32] (http, https, etc.) */ | |
893 | char *username, /* O - Username [1024] */ | |
894 | char *host, /* O - Hostname [1024] */ | |
895 | int *port, /* O - Port number to use */ | |
896 | char *resource) /* O - Resource/filename [1024] */ | |
897 | { | |
a4d04587 | 898 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, 32, username, |
899 | HTTP_MAX_URI, host, HTTP_MAX_URI, port, resource, | |
900 | HTTP_MAX_URI); | |
ef416fc2 | 901 | } |
902 | ||
903 | ||
904 | /* | |
905 | * 'httpSeparate2()' - Separate a Universal Resource Identifier into its | |
906 | * components. | |
907 | * | |
ecdc0628 | 908 | * This function is deprecated; use the httpSeparateURI() function instead. |
909 | * | |
8072030b | 910 | * @since CUPS 1.1.21/macOS 10.4@ |
53af7f21 | 911 | * @deprecated@ @exclude all@ |
ef416fc2 | 912 | */ |
913 | ||
914 | void | |
915 | httpSeparate2(const char *uri, /* I - Universal Resource Identifier */ | |
916 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
917 | int schemelen, /* I - Size of scheme buffer */ | |
918 | char *username, /* O - Username */ | |
919 | int usernamelen, /* I - Size of username buffer */ | |
920 | char *host, /* O - Hostname */ | |
921 | int hostlen, /* I - Size of hostname buffer */ | |
922 | int *port, /* O - Port number to use */ | |
923 | char *resource, /* O - Resource/filename */ | |
924 | int resourcelen) /* I - Size of resource buffer */ | |
925 | { | |
a4d04587 | 926 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, schemelen, username, |
927 | usernamelen, host, hostlen, port, resource, resourcelen); | |
ef416fc2 | 928 | } |
929 | ||
930 | ||
931 | /* | |
932 | * 'httpSeparateURI()' - Separate a Universal Resource Identifier into its | |
933 | * components. | |
934 | * | |
8072030b | 935 | * @since CUPS 1.2/macOS 10.5@ |
ef416fc2 | 936 | */ |
937 | ||
938 | http_uri_status_t /* O - Result of separation */ | |
a4d04587 | 939 | httpSeparateURI( |
940 | http_uri_coding_t decoding, /* I - Decoding flags */ | |
941 | const char *uri, /* I - Universal Resource Identifier */ | |
942 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
943 | int schemelen, /* I - Size of scheme buffer */ | |
944 | char *username, /* O - Username */ | |
945 | int usernamelen, /* I - Size of username buffer */ | |
946 | char *host, /* O - Hostname */ | |
947 | int hostlen, /* I - Size of hostname buffer */ | |
948 | int *port, /* O - Port number to use */ | |
949 | char *resource, /* O - Resource/filename */ | |
950 | int resourcelen) /* I - Size of resource buffer */ | |
ef416fc2 | 951 | { |
952 | char *ptr, /* Pointer into string... */ | |
953 | *end; /* End of string */ | |
954 | const char *sep; /* Separator character */ | |
955 | http_uri_status_t status; /* Result of separation */ | |
956 | ||
957 | ||
958 | /* | |
959 | * Initialize everything to blank... | |
960 | */ | |
961 | ||
962 | if (scheme && schemelen > 0) | |
963 | *scheme = '\0'; | |
964 | ||
965 | if (username && usernamelen > 0) | |
966 | *username = '\0'; | |
967 | ||
968 | if (host && hostlen > 0) | |
969 | *host = '\0'; | |
970 | ||
971 | if (port) | |
972 | *port = 0; | |
973 | ||
974 | if (resource && resourcelen > 0) | |
975 | *resource = '\0'; | |
976 | ||
977 | /* | |
978 | * Range check input... | |
979 | */ | |
980 | ||
981 | if (!uri || !port || !scheme || schemelen <= 0 || !username || | |
982 | usernamelen <= 0 || !host || hostlen <= 0 || !resource || | |
983 | resourcelen <= 0) | |
cb7f98ee | 984 | return (HTTP_URI_STATUS_BAD_ARGUMENTS); |
ef416fc2 | 985 | |
986 | if (!*uri) | |
cb7f98ee | 987 | return (HTTP_URI_STATUS_BAD_URI); |
ef416fc2 | 988 | |
989 | /* | |
990 | * Grab the scheme portion of the URI... | |
991 | */ | |
992 | ||
cb7f98ee | 993 | status = HTTP_URI_STATUS_OK; |
ef416fc2 | 994 | |
995 | if (!strncmp(uri, "//", 2)) | |
996 | { | |
997 | /* | |
998 | * Workaround for HP IPP client bug... | |
999 | */ | |
1000 | ||
07623986 | 1001 | strlcpy(scheme, "ipp", (size_t)schemelen); |
cb7f98ee | 1002 | status = HTTP_URI_STATUS_MISSING_SCHEME; |
ef416fc2 | 1003 | } |
1004 | else if (*uri == '/') | |
1005 | { | |
1006 | /* | |
1007 | * Filename... | |
1008 | */ | |
1009 | ||
07623986 | 1010 | strlcpy(scheme, "file", (size_t)schemelen); |
cb7f98ee | 1011 | status = HTTP_URI_STATUS_MISSING_SCHEME; |
ef416fc2 | 1012 | } |
1013 | else | |
1014 | { | |
1015 | /* | |
1016 | * Standard URI with scheme... | |
1017 | */ | |
1018 | ||
1019 | for (ptr = scheme, end = scheme + schemelen - 1; | |
1020 | *uri && *uri != ':' && ptr < end;) | |
7cf5915e MS |
1021 | if (strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
1022 | "abcdefghijklmnopqrstuvwxyz" | |
1023 | "0123456789-+.", *uri) != NULL) | |
ef416fc2 | 1024 | *ptr++ = *uri++; |
1025 | else | |
1026 | break; | |
1027 | ||
1028 | *ptr = '\0'; | |
1029 | ||
fdaf028e | 1030 | if (*uri != ':' || *scheme == '.' || !*scheme) |
ef416fc2 | 1031 | { |
1032 | *scheme = '\0'; | |
cb7f98ee | 1033 | return (HTTP_URI_STATUS_BAD_SCHEME); |
ef416fc2 | 1034 | } |
1035 | ||
1036 | uri ++; | |
1037 | } | |
1038 | ||
1039 | /* | |
1040 | * Set the default port number... | |
1041 | */ | |
1042 | ||
1043 | if (!strcmp(scheme, "http")) | |
1044 | *port = 80; | |
1045 | else if (!strcmp(scheme, "https")) | |
1046 | *port = 443; | |
7cf5915e | 1047 | else if (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) |
ef416fc2 | 1048 | *port = 631; |
88f9aafc | 1049 | else if (!_cups_strcasecmp(scheme, "lpd")) |
ef416fc2 | 1050 | *port = 515; |
1051 | else if (!strcmp(scheme, "socket")) /* Not yet registered with IANA... */ | |
1052 | *port = 9100; | |
f4047845 | 1053 | else if (strcmp(scheme, "file") && strcmp(scheme, "mailto") && strcmp(scheme, "tel")) |
cb7f98ee | 1054 | status = HTTP_URI_STATUS_UNKNOWN_SCHEME; |
ef416fc2 | 1055 | |
1056 | /* | |
1057 | * Now see if we have a hostname... | |
1058 | */ | |
1059 | ||
1060 | if (!strncmp(uri, "//", 2)) | |
1061 | { | |
1062 | /* | |
1063 | * Yes, extract it... | |
1064 | */ | |
1065 | ||
1066 | uri += 2; | |
1067 | ||
1068 | /* | |
1069 | * Grab the username, if any... | |
1070 | */ | |
1071 | ||
1072 | if ((sep = strpbrk(uri, "@/")) != NULL && *sep == '@') | |
1073 | { | |
1074 | /* | |
1075 | * Get a username:password combo... | |
1076 | */ | |
1077 | ||
a4d04587 | 1078 | uri = http_copy_decode(username, uri, usernamelen, "@", |
1079 | decoding & HTTP_URI_CODING_USERNAME); | |
ef416fc2 | 1080 | |
1081 | if (!uri) | |
1082 | { | |
1083 | *username = '\0'; | |
cb7f98ee | 1084 | return (HTTP_URI_STATUS_BAD_USERNAME); |
ef416fc2 | 1085 | } |
1086 | ||
1087 | uri ++; | |
1088 | } | |
1089 | ||
1090 | /* | |
1091 | * Then the hostname/IP address... | |
1092 | */ | |
1093 | ||
1094 | if (*uri == '[') | |
1095 | { | |
1096 | /* | |
1097 | * Grab IPv6 address... | |
1098 | */ | |
1099 | ||
1100 | uri ++; | |
86c809d9 MS |
1101 | if (*uri == 'v') |
1102 | { | |
1103 | /* | |
1104 | * Skip IPvFuture ("vXXXX.") prefix... | |
1105 | */ | |
1106 | ||
1107 | uri ++; | |
1108 | ||
1109 | while (isxdigit(*uri & 255)) | |
1110 | uri ++; | |
1111 | ||
1112 | if (*uri != '.') | |
1113 | { | |
1114 | *host = '\0'; | |
1115 | return (HTTP_URI_STATUS_BAD_HOSTNAME); | |
1116 | } | |
1117 | ||
1118 | uri ++; | |
1119 | } | |
ef416fc2 | 1120 | |
a4d04587 | 1121 | uri = http_copy_decode(host, uri, hostlen, "]", |
1122 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1123 | |
1124 | if (!uri) | |
1125 | { | |
1126 | *host = '\0'; | |
cb7f98ee | 1127 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1128 | } |
1129 | ||
1130 | /* | |
1131 | * Validate value... | |
1132 | */ | |
1133 | ||
1134 | if (*uri != ']') | |
1135 | { | |
1136 | *host = '\0'; | |
cb7f98ee | 1137 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1138 | } |
1139 | ||
1140 | uri ++; | |
1141 | ||
1142 | for (ptr = host; *ptr; ptr ++) | |
1143 | if (*ptr == '+') | |
1144 | { | |
1145 | /* | |
1146 | * Convert zone separator to % and stop here... | |
1147 | */ | |
1148 | ||
1149 | *ptr = '%'; | |
1150 | break; | |
1151 | } | |
86c809d9 MS |
1152 | else if (*ptr == '%') |
1153 | { | |
1154 | /* | |
1155 | * Stop at zone separator (RFC 6874) | |
1156 | */ | |
1157 | ||
1158 | break; | |
1159 | } | |
ef416fc2 | 1160 | else if (*ptr != ':' && *ptr != '.' && !isxdigit(*ptr & 255)) |
1161 | { | |
1162 | *host = '\0'; | |
cb7f98ee | 1163 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1164 | } |
1165 | } | |
1166 | else | |
1167 | { | |
1168 | /* | |
b423cd4c | 1169 | * Validate the hostname or IPv4 address first... |
1170 | */ | |
1171 | ||
1172 | for (ptr = (char *)uri; *ptr; ptr ++) | |
1173 | if (strchr(":?/", *ptr)) | |
1174 | break; | |
ff862e50 MS |
1175 | else if (!strchr("abcdefghijklmnopqrstuvwxyz" /* unreserved */ |
1176 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" /* unreserved */ | |
1177 | "0123456789" /* unreserved */ | |
1178 | "-._~" /* unreserved */ | |
1179 | "%" /* pct-encoded */ | |
1180 | "!$&'()*+,;=" /* sub-delims */ | |
1181 | "\\", *ptr)) /* SMB domain */ | |
b423cd4c | 1182 | { |
1183 | *host = '\0'; | |
cb7f98ee | 1184 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
b423cd4c | 1185 | } |
1186 | ||
1187 | /* | |
1188 | * Then copy the hostname or IPv4 address to the buffer... | |
ef416fc2 | 1189 | */ |
1190 | ||
a4d04587 | 1191 | uri = http_copy_decode(host, uri, hostlen, ":?/", |
1192 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1193 | |
1194 | if (!uri) | |
1195 | { | |
1196 | *host = '\0'; | |
cb7f98ee | 1197 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1198 | } |
ef416fc2 | 1199 | } |
1200 | ||
1201 | /* | |
1202 | * Validate hostname for file scheme - only empty and localhost are | |
1203 | * acceptable. | |
1204 | */ | |
1205 | ||
1206 | if (!strcmp(scheme, "file") && strcmp(host, "localhost") && host[0]) | |
1207 | { | |
1208 | *host = '\0'; | |
cb7f98ee | 1209 | return (HTTP_URI_STATUS_BAD_HOSTNAME); |
ef416fc2 | 1210 | } |
1211 | ||
1212 | /* | |
1213 | * See if we have a port number... | |
1214 | */ | |
1215 | ||
1216 | if (*uri == ':') | |
1217 | { | |
1218 | /* | |
1219 | * Yes, collect the port number... | |
1220 | */ | |
1221 | ||
dfd5680b MS |
1222 | if (!isdigit(uri[1] & 255)) |
1223 | { | |
1224 | *port = 0; | |
cb7f98ee | 1225 | return (HTTP_URI_STATUS_BAD_PORT); |
dfd5680b MS |
1226 | } |
1227 | ||
7e86f2f6 | 1228 | *port = (int)strtol(uri + 1, (char **)&uri, 10); |
ef416fc2 | 1229 | |
044af446 MS |
1230 | if (*port <= 0 || *port > 65535) |
1231 | { | |
1232 | *port = 0; | |
1233 | return (HTTP_URI_STATUS_BAD_PORT); | |
1234 | } | |
1235 | ||
d6ae789d | 1236 | if (*uri != '/' && *uri) |
ef416fc2 | 1237 | { |
1238 | *port = 0; | |
cb7f98ee | 1239 | return (HTTP_URI_STATUS_BAD_PORT); |
ef416fc2 | 1240 | } |
1241 | } | |
1242 | } | |
1243 | ||
1244 | /* | |
1245 | * The remaining portion is the resource string... | |
1246 | */ | |
1247 | ||
1248 | if (*uri == '?' || !*uri) | |
1249 | { | |
1250 | /* | |
1251 | * Hostname but no path... | |
1252 | */ | |
1253 | ||
cb7f98ee | 1254 | status = HTTP_URI_STATUS_MISSING_RESOURCE; |
ef416fc2 | 1255 | *resource = '/'; |
fa73b229 | 1256 | |
1257 | /* | |
a4d04587 | 1258 | * Copy any query string... |
fa73b229 | 1259 | */ |
1260 | ||
1261 | if (*uri == '?') | |
a4d04587 | 1262 | uri = http_copy_decode(resource + 1, uri, resourcelen - 1, NULL, |
1263 | decoding & HTTP_URI_CODING_QUERY); | |
fa73b229 | 1264 | else |
1265 | resource[1] = '\0'; | |
ef416fc2 | 1266 | } |
1267 | else | |
fa73b229 | 1268 | { |
a4d04587 | 1269 | uri = http_copy_decode(resource, uri, resourcelen, "?", |
1270 | decoding & HTTP_URI_CODING_RESOURCE); | |
fa73b229 | 1271 | |
1272 | if (uri && *uri == '?') | |
1273 | { | |
1274 | /* | |
a4d04587 | 1275 | * Concatenate any query string... |
fa73b229 | 1276 | */ |
1277 | ||
a4d04587 | 1278 | char *resptr = resource + strlen(resource); |
1279 | ||
ff862e50 MS |
1280 | uri = http_copy_decode(resptr, uri, |
1281 | resourcelen - (int)(resptr - resource), NULL, | |
1282 | decoding & HTTP_URI_CODING_QUERY); | |
fa73b229 | 1283 | } |
1284 | } | |
ef416fc2 | 1285 | |
1286 | if (!uri) | |
1287 | { | |
1288 | *resource = '\0'; | |
cb7f98ee | 1289 | return (HTTP_URI_STATUS_BAD_RESOURCE); |
ef416fc2 | 1290 | } |
1291 | ||
1292 | /* | |
1293 | * Return the URI separation status... | |
1294 | */ | |
1295 | ||
1296 | return (status); | |
1297 | } | |
1298 | ||
1299 | ||
5ec1fd3d MS |
1300 | /* |
1301 | * 'httpStateString()' - Return the string describing a HTTP state value. | |
1302 | * | |
e1f19878 | 1303 | * @since CUPS 2.0/OS 10.10@ |
5ec1fd3d MS |
1304 | */ |
1305 | ||
1306 | const char * /* O - State string */ | |
1307 | httpStateString(http_state_t state) /* I - HTTP state value */ | |
1308 | { | |
1309 | if (state < HTTP_STATE_ERROR || state > HTTP_STATE_UNKNOWN_VERSION) | |
1310 | return ("HTTP_STATE_???"); | |
1311 | else | |
1312 | return (http_states[state - HTTP_STATE_ERROR]); | |
1313 | } | |
1314 | ||
1315 | ||
ef416fc2 | 1316 | /* |
41e6c1f1 | 1317 | * '_httpStatus()' - Return the localized string describing a HTTP status code. |
9f5eb9be | 1318 | * |
41e6c1f1 | 1319 | * The returned string is localized using the passed message catalog. |
ef416fc2 | 1320 | */ |
1321 | ||
9f5eb9be | 1322 | const char * /* O - Localized status string */ |
41e6c1f1 MS |
1323 | _httpStatus(cups_lang_t *lang, /* I - Language */ |
1324 | http_status_t status) /* I - HTTP status code */ | |
ef416fc2 | 1325 | { |
9f5eb9be | 1326 | const char *s; /* Status string */ |
9f5eb9be | 1327 | |
9f5eb9be | 1328 | |
ef416fc2 | 1329 | switch (status) |
1330 | { | |
b63a0d90 MS |
1331 | case HTTP_STATUS_ERROR : |
1332 | s = strerror(errno); | |
1333 | break; | |
cb7f98ee | 1334 | case HTTP_STATUS_CONTINUE : |
9f5eb9be MS |
1335 | s = _("Continue"); |
1336 | break; | |
cb7f98ee | 1337 | case HTTP_STATUS_SWITCHING_PROTOCOLS : |
9f5eb9be MS |
1338 | s = _("Switching Protocols"); |
1339 | break; | |
cb7f98ee | 1340 | case HTTP_STATUS_OK : |
9f5eb9be MS |
1341 | s = _("OK"); |
1342 | break; | |
cb7f98ee | 1343 | case HTTP_STATUS_CREATED : |
9f5eb9be MS |
1344 | s = _("Created"); |
1345 | break; | |
cb7f98ee | 1346 | case HTTP_STATUS_ACCEPTED : |
9f5eb9be MS |
1347 | s = _("Accepted"); |
1348 | break; | |
cb7f98ee | 1349 | case HTTP_STATUS_NO_CONTENT : |
9f5eb9be MS |
1350 | s = _("No Content"); |
1351 | break; | |
cb7f98ee | 1352 | case HTTP_STATUS_MOVED_PERMANENTLY : |
9f5eb9be MS |
1353 | s = _("Moved Permanently"); |
1354 | break; | |
034b06df MS |
1355 | case HTTP_STATUS_FOUND : |
1356 | s = _("Found"); | |
aa030912 | 1357 | break; |
cb7f98ee | 1358 | case HTTP_STATUS_SEE_OTHER : |
9f5eb9be MS |
1359 | s = _("See Other"); |
1360 | break; | |
cb7f98ee | 1361 | case HTTP_STATUS_NOT_MODIFIED : |
9f5eb9be MS |
1362 | s = _("Not Modified"); |
1363 | break; | |
cb7f98ee | 1364 | case HTTP_STATUS_BAD_REQUEST : |
9f5eb9be MS |
1365 | s = _("Bad Request"); |
1366 | break; | |
cb7f98ee MS |
1367 | case HTTP_STATUS_UNAUTHORIZED : |
1368 | case HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED : | |
9f5eb9be MS |
1369 | s = _("Unauthorized"); |
1370 | break; | |
cb7f98ee | 1371 | case HTTP_STATUS_FORBIDDEN : |
9f5eb9be MS |
1372 | s = _("Forbidden"); |
1373 | break; | |
cb7f98ee | 1374 | case HTTP_STATUS_NOT_FOUND : |
9f5eb9be MS |
1375 | s = _("Not Found"); |
1376 | break; | |
cb7f98ee | 1377 | case HTTP_STATUS_REQUEST_TOO_LARGE : |
9f5eb9be MS |
1378 | s = _("Request Entity Too Large"); |
1379 | break; | |
cb7f98ee | 1380 | case HTTP_STATUS_URI_TOO_LONG : |
9f5eb9be MS |
1381 | s = _("URI Too Long"); |
1382 | break; | |
cb7f98ee | 1383 | case HTTP_STATUS_UPGRADE_REQUIRED : |
9f5eb9be MS |
1384 | s = _("Upgrade Required"); |
1385 | break; | |
cb7f98ee | 1386 | case HTTP_STATUS_NOT_IMPLEMENTED : |
9f5eb9be MS |
1387 | s = _("Not Implemented"); |
1388 | break; | |
cb7f98ee | 1389 | case HTTP_STATUS_NOT_SUPPORTED : |
9f5eb9be MS |
1390 | s = _("Not Supported"); |
1391 | break; | |
cb7f98ee | 1392 | case HTTP_STATUS_EXPECTATION_FAILED : |
9f5eb9be MS |
1393 | s = _("Expectation Failed"); |
1394 | break; | |
cb7f98ee | 1395 | case HTTP_STATUS_SERVICE_UNAVAILABLE : |
9f5eb9be MS |
1396 | s = _("Service Unavailable"); |
1397 | break; | |
cb7f98ee | 1398 | case HTTP_STATUS_SERVER_ERROR : |
94da7e34 MS |
1399 | s = _("Internal Server Error"); |
1400 | break; | |
cb7f98ee | 1401 | case HTTP_STATUS_CUPS_PKI_ERROR : |
7cf5915e MS |
1402 | s = _("SSL/TLS Negotiation Error"); |
1403 | break; | |
cb7f98ee | 1404 | case HTTP_STATUS_CUPS_WEBIF_DISABLED : |
229681c1 MS |
1405 | s = _("Web Interface is Disabled"); |
1406 | break; | |
b423cd4c | 1407 | |
ef416fc2 | 1408 | default : |
9f5eb9be MS |
1409 | s = _("Unknown"); |
1410 | break; | |
ef416fc2 | 1411 | } |
9f5eb9be | 1412 | |
41e6c1f1 MS |
1413 | return (_cupsLangString(lang, s)); |
1414 | } | |
1415 | ||
1416 | ||
1417 | /* | |
1418 | * 'httpStatus()' - Return a short string describing a HTTP status code. | |
1419 | * | |
1420 | * The returned string is localized to the current POSIX locale and is based | |
98d88c8d | 1421 | * on the status strings defined in RFC 7231. |
41e6c1f1 MS |
1422 | */ |
1423 | ||
1424 | const char * /* O - Localized status string */ | |
1425 | httpStatus(http_status_t status) /* I - HTTP status code */ | |
1426 | { | |
1427 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
1428 | ||
1429 | ||
1430 | if (!cg->lang_default) | |
1431 | cg->lang_default = cupsLangDefault(); | |
1432 | ||
1433 | return (_httpStatus(cg->lang_default, status)); | |
ef416fc2 | 1434 | } |
1435 | ||
7e86f2f6 MS |
1436 | /* |
1437 | * 'httpURIStatusString()' - Return a string describing a URI status code. | |
1438 | * | |
e1f19878 | 1439 | * @since CUPS 2.0/OS 10.10@ |
7e86f2f6 MS |
1440 | */ |
1441 | ||
1442 | const char * /* O - Localized status string */ | |
1443 | httpURIStatusString( | |
1444 | http_uri_status_t status) /* I - URI status code */ | |
1445 | { | |
1446 | const char *s; /* Status string */ | |
1447 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
1448 | ||
1449 | ||
1450 | if (!cg->lang_default) | |
1451 | cg->lang_default = cupsLangDefault(); | |
1452 | ||
1453 | switch (status) | |
1454 | { | |
1455 | case HTTP_URI_STATUS_OVERFLOW : | |
1456 | s = _("URI too large"); | |
1457 | break; | |
1458 | case HTTP_URI_STATUS_BAD_ARGUMENTS : | |
1459 | s = _("Bad arguments to function"); | |
1460 | break; | |
1461 | case HTTP_URI_STATUS_BAD_RESOURCE : | |
1462 | s = _("Bad resource in URI"); | |
1463 | break; | |
1464 | case HTTP_URI_STATUS_BAD_PORT : | |
1465 | s = _("Bad port number in URI"); | |
1466 | break; | |
1467 | case HTTP_URI_STATUS_BAD_HOSTNAME : | |
1468 | s = _("Bad hostname/address in URI"); | |
1469 | break; | |
1470 | case HTTP_URI_STATUS_BAD_USERNAME : | |
1471 | s = _("Bad username in URI"); | |
1472 | break; | |
1473 | case HTTP_URI_STATUS_BAD_SCHEME : | |
1474 | s = _("Bad scheme in URI"); | |
1475 | break; | |
1476 | case HTTP_URI_STATUS_BAD_URI : | |
1477 | s = _("Bad/empty URI"); | |
1478 | break; | |
1479 | case HTTP_URI_STATUS_OK : | |
1480 | s = _("OK"); | |
1481 | break; | |
1482 | case HTTP_URI_STATUS_MISSING_SCHEME : | |
1483 | s = _("Missing scheme in URI"); | |
1484 | break; | |
1485 | case HTTP_URI_STATUS_UNKNOWN_SCHEME : | |
1486 | s = _("Unknown scheme in URI"); | |
1487 | break; | |
1488 | case HTTP_URI_STATUS_MISSING_RESOURCE : | |
1489 | s = _("Missing resource in URI"); | |
1490 | break; | |
1491 | ||
1492 | default: | |
1493 | s = _("Unknown"); | |
1494 | break; | |
1495 | } | |
1496 | ||
1497 | return (_cupsLangString(cg->lang_default, s)); | |
1498 | } | |
1499 | ||
ef416fc2 | 1500 | |
1501 | #ifndef HAVE_HSTRERROR | |
1502 | /* | |
eac3a0a0 | 1503 | * '_cups_hstrerror()' - hstrerror() emulation function for Solaris and others. |
ef416fc2 | 1504 | */ |
1505 | ||
1506 | const char * /* O - Error string */ | |
1507 | _cups_hstrerror(int error) /* I - Error number */ | |
1508 | { | |
1509 | static const char * const errors[] = /* Error strings */ | |
1510 | { | |
1511 | "OK", | |
1512 | "Host not found.", | |
1513 | "Try again.", | |
1514 | "Unrecoverable lookup error.", | |
1515 | "No data associated with name." | |
1516 | }; | |
1517 | ||
1518 | ||
1519 | if (error < 0 || error > 4) | |
1520 | return ("Unknown hostname lookup error."); | |
1521 | else | |
1522 | return (errors[error]); | |
1523 | } | |
1524 | #endif /* !HAVE_HSTRERROR */ | |
1525 | ||
1526 | ||
1106b00e MS |
1527 | /* |
1528 | * '_httpDecodeURI()' - Percent-decode a HTTP request URI. | |
1529 | */ | |
1530 | ||
1531 | char * /* O - Decoded URI or NULL on error */ | |
1532 | _httpDecodeURI(char *dst, /* I - Destination buffer */ | |
1533 | const char *src, /* I - Source URI */ | |
1534 | size_t dstsize) /* I - Size of destination buffer */ | |
1535 | { | |
1536 | if (http_copy_decode(dst, src, (int)dstsize, NULL, 1)) | |
1537 | return (dst); | |
1538 | else | |
1539 | return (NULL); | |
1540 | } | |
1541 | ||
1542 | ||
839a51c8 MS |
1543 | /* |
1544 | * '_httpEncodeURI()' - Percent-encode a HTTP request URI. | |
1545 | */ | |
1546 | ||
1547 | char * /* O - Encoded URI */ | |
1548 | _httpEncodeURI(char *dst, /* I - Destination buffer */ | |
1549 | const char *src, /* I - Source URI */ | |
1550 | size_t dstsize) /* I - Size of destination buffer */ | |
1551 | { | |
1552 | http_copy_encode(dst, src, dst + dstsize - 1, NULL, NULL, 1); | |
1553 | return (dst); | |
1554 | } | |
1555 | ||
1556 | ||
5eb9da71 MS |
1557 | /* |
1558 | * '_httpResolveURI()' - Resolve a DNS-SD URI. | |
1559 | */ | |
1560 | ||
1561 | const char * /* O - Resolved URI */ | |
1562 | _httpResolveURI( | |
1563 | const char *uri, /* I - DNS-SD URI */ | |
1564 | char *resolved_uri, /* I - Buffer for resolved URI */ | |
1f0275e3 | 1565 | size_t resolved_size, /* I - Size of URI buffer */ |
eac3a0a0 | 1566 | int options, /* I - Resolve options */ |
07ed0e9a MS |
1567 | int (*cb)(void *context), /* I - Continue callback function */ |
1568 | void *context) /* I - Context pointer for callback */ | |
5eb9da71 MS |
1569 | { |
1570 | char scheme[32], /* URI components... */ | |
1571 | userpass[256], | |
1572 | hostname[1024], | |
1573 | resource[1024]; | |
1574 | int port; | |
b19ccc9e | 1575 | #ifdef DEBUG |
1f0275e3 | 1576 | http_uri_status_t status; /* URI decode status */ |
b19ccc9e | 1577 | #endif /* DEBUG */ |
5eb9da71 MS |
1578 | |
1579 | ||
807315e6 | 1580 | 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 | 1581 | |
5eb9da71 MS |
1582 | /* |
1583 | * Get the device URI... | |
1584 | */ | |
1585 | ||
b19ccc9e | 1586 | #ifdef DEBUG |
1f0275e3 MS |
1587 | if ((status = httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, |
1588 | sizeof(scheme), userpass, sizeof(userpass), | |
1589 | hostname, sizeof(hostname), &port, resource, | |
cb7f98ee | 1590 | sizeof(resource))) < HTTP_URI_STATUS_OK) |
b19ccc9e MS |
1591 | #else |
1592 | if (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 | 1596 | #endif /* DEBUG */ |
1f0275e3 | 1597 | { |
eac3a0a0 | 1598 | if (options & _HTTP_RESOLVE_STDERR) |
84315f46 | 1599 | _cupsLangPrintFilter(stderr, "ERROR", _("Bad device-uri \"%s\"."), uri); |
1f0275e3 | 1600 | |
4db7fcee MS |
1601 | DEBUG_printf(("2_httpResolveURI: httpSeparateURI returned %d!", status)); |
1602 | DEBUG_puts("2_httpResolveURI: Returning NULL"); | |
5eb9da71 | 1603 | return (NULL); |
1f0275e3 | 1604 | } |
5eb9da71 MS |
1605 | |
1606 | /* | |
1607 | * Resolve it as needed... | |
1608 | */ | |
1609 | ||
1610 | if (strstr(hostname, "._tcp")) | |
1611 | { | |
f3c17241 | 1612 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
5eb9da71 | 1613 | char *regtype, /* Pointer to type in hostname */ |
2c3f5865 MS |
1614 | *domain, /* Pointer to domain in hostname */ |
1615 | *uuid, /* Pointer to UUID in URI */ | |
1616 | *uuidend; /* Pointer to end of UUID in URI */ | |
5eb9da71 | 1617 | _http_uribuf_t uribuf; /* URI buffer */ |
f3c17241 MS |
1618 | int offline = 0; /* offline-report state set? */ |
1619 | # ifdef HAVE_DNSSD | |
1620 | # ifdef WIN32 | |
1621 | # pragma comment(lib, "dnssd.lib") | |
1622 | # endif /* WIN32 */ | |
1623 | DNSServiceRef ref, /* DNS-SD master service reference */ | |
7e86f2f6 | 1624 | domainref = NULL,/* DNS-SD service reference for domain */ |
3c218cf5 MS |
1625 | ippref = NULL, /* DNS-SD service reference for network IPP */ |
1626 | ippsref = NULL, /* DNS-SD service reference for network IPPS */ | |
f3c17241 | 1627 | localref; /* DNS-SD service reference for .local */ |
3c218cf5 | 1628 | int extrasent = 0; /* Send the domain/IPP/IPPS resolves? */ |
f3c17241 | 1629 | # ifdef HAVE_POLL |
38e73f87 | 1630 | struct pollfd polldata; /* Polling data */ |
f3c17241 | 1631 | # else /* select() */ |
6d2f911b MS |
1632 | fd_set input_set; /* Input set for select() */ |
1633 | struct timeval stimeout; /* Timeout value for select() */ | |
f3c17241 MS |
1634 | # endif /* HAVE_POLL */ |
1635 | # elif defined(HAVE_AVAHI) | |
1636 | AvahiClient *client; /* Client information */ | |
1637 | int error; /* Status */ | |
1638 | # endif /* HAVE_DNSSD */ | |
38e73f87 | 1639 | |
eac3a0a0 | 1640 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 | 1641 | fprintf(stderr, "DEBUG: Resolving \"%s\"...\n", hostname); |
5eb9da71 MS |
1642 | |
1643 | /* | |
1644 | * Separate the hostname into service name, registration type, and domain... | |
1645 | */ | |
1646 | ||
1f0275e3 MS |
1647 | for (regtype = strstr(hostname, "._tcp") - 2; |
1648 | regtype > hostname; | |
1649 | regtype --) | |
1650 | if (regtype[0] == '.' && regtype[1] == '_') | |
1651 | { | |
1652 | /* | |
1653 | * Found ._servicetype in front of ._tcp... | |
1654 | */ | |
1655 | ||
1656 | *regtype++ = '\0'; | |
1657 | break; | |
1658 | } | |
1659 | ||
1660 | if (regtype <= hostname) | |
1661 | { | |
4db7fcee | 1662 | DEBUG_puts("2_httpResolveURI: Bad hostname, returning NULL"); |
1f0275e3 MS |
1663 | return (NULL); |
1664 | } | |
5eb9da71 | 1665 | |
5eb9da71 MS |
1666 | for (domain = strchr(regtype, '.'); |
1667 | domain; | |
1668 | domain = strchr(domain + 1, '.')) | |
1669 | if (domain[1] != '_') | |
1670 | break; | |
1671 | ||
1672 | if (domain) | |
1673 | *domain++ = '\0'; | |
1674 | ||
2c3f5865 MS |
1675 | if ((uuid = strstr(resource, "?uuid=")) != NULL) |
1676 | { | |
1677 | *uuid = '\0'; | |
1678 | uuid += 6; | |
1679 | if ((uuidend = strchr(uuid, '&')) != NULL) | |
1680 | *uuidend = '\0'; | |
1681 | } | |
1682 | ||
1683 | resolved_uri[0] = '\0'; | |
1684 | ||
eac3a0a0 MS |
1685 | uribuf.buffer = resolved_uri; |
1686 | uribuf.bufsize = resolved_size; | |
1687 | uribuf.options = options; | |
5a9febac | 1688 | uribuf.resource = resource; |
2c3f5865 | 1689 | uribuf.uuid = uuid; |
5eb9da71 | 1690 | |
4db7fcee | 1691 | DEBUG_printf(("2_httpResolveURI: Resolving hostname=\"%s\", regtype=\"%s\", " |
1f0275e3 | 1692 | "domain=\"%s\"\n", hostname, regtype, domain)); |
eac3a0a0 | 1693 | if (options & _HTTP_RESOLVE_STDERR) |
1f0275e3 MS |
1694 | { |
1695 | fputs("STATE: +connecting-to-device\n", stderr); | |
38e73f87 MS |
1696 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"%s\", " |
1697 | "domain=\"local.\"...\n", hostname, regtype); | |
1f0275e3 MS |
1698 | } |
1699 | ||
38e73f87 MS |
1700 | uri = NULL; |
1701 | ||
f3c17241 | 1702 | # ifdef HAVE_DNSSD |
38e73f87 | 1703 | if (DNSServiceCreateConnection(&ref) == kDNSServiceErr_NoError) |
5eb9da71 | 1704 | { |
7e86f2f6 | 1705 | uint32_t myinterface = kDNSServiceInterfaceIndexAny; |
a469f8a5 MS |
1706 | /* Lookup on any interface */ |
1707 | ||
1708 | if (!strcmp(scheme, "ippusb")) | |
db8b865d | 1709 | myinterface = kDNSServiceInterfaceIndexLocalOnly; |
a469f8a5 | 1710 | |
38e73f87 | 1711 | localref = ref; |
3e7fe0ca | 1712 | if (DNSServiceResolve(&localref, |
db8b865d | 1713 | kDNSServiceFlagsShareConnection, myinterface, |
a469f8a5 | 1714 | hostname, regtype, "local.", http_resolve_cb, |
38e73f87 MS |
1715 | &uribuf) == kDNSServiceErr_NoError) |
1716 | { | |
acb056cb MS |
1717 | int fds; /* Number of ready descriptors */ |
1718 | time_t timeout, /* Poll timeout */ | |
3e7fe0ca MS |
1719 | start_time = time(NULL),/* Start time */ |
1720 | end_time = start_time + 90; | |
1721 | /* End time */ | |
acb056cb | 1722 | |
3e7fe0ca | 1723 | while (time(NULL) < end_time) |
38e73f87 | 1724 | { |
eac3a0a0 | 1725 | if (options & _HTTP_RESOLVE_STDERR) |
d84348da | 1726 | _cupsLangPrintFilter(stderr, "INFO", _("Looking for printer.")); |
acb056cb | 1727 | |
07ed0e9a MS |
1728 | if (cb && !(*cb)(context)) |
1729 | { | |
4db7fcee | 1730 | DEBUG_puts("2_httpResolveURI: callback returned 0 (stop)"); |
07ed0e9a MS |
1731 | break; |
1732 | } | |
1733 | ||
38e73f87 | 1734 | /* |
3e7fe0ca | 1735 | * Wakeup every 2 seconds to emit a "looking for printer" message... |
38e73f87 MS |
1736 | */ |
1737 | ||
3e7fe0ca MS |
1738 | if ((timeout = end_time - time(NULL)) > 2) |
1739 | timeout = 2; | |
acb056cb | 1740 | |
f3c17241 | 1741 | # ifdef HAVE_POLL |
38e73f87 MS |
1742 | polldata.fd = DNSServiceRefSockFD(ref); |
1743 | polldata.events = POLLIN; | |
1744 | ||
7e86f2f6 | 1745 | fds = poll(&polldata, 1, (int)(1000 * timeout)); |
acb056cb | 1746 | |
f3c17241 | 1747 | # else /* select() */ |
6d2f911b MS |
1748 | FD_ZERO(&input_set); |
1749 | FD_SET(DNSServiceRefSockFD(ref), &input_set); | |
1750 | ||
f3c17241 | 1751 | # ifdef WIN32 |
82cc1f9a | 1752 | stimeout.tv_sec = (long)timeout; |
f3c17241 | 1753 | # else |
3e7fe0ca | 1754 | stimeout.tv_sec = timeout; |
f3c17241 | 1755 | # endif /* WIN32 */ |
3e7fe0ca | 1756 | stimeout.tv_usec = 0; |
6d2f911b | 1757 | |
88f9aafc | 1758 | fds = select(DNSServiceRefSockFD(ref)+1, &input_set, NULL, NULL, |
3e7fe0ca | 1759 | &stimeout); |
f3c17241 | 1760 | # endif /* HAVE_POLL */ |
6d2f911b | 1761 | |
acb056cb MS |
1762 | if (fds < 0) |
1763 | { | |
1764 | if (errno != EINTR && errno != EAGAIN) | |
1765 | { | |
4db7fcee | 1766 | DEBUG_printf(("2_httpResolveURI: poll error: %s", strerror(errno))); |
acb056cb MS |
1767 | break; |
1768 | } | |
1769 | } | |
1770 | else if (fds == 0) | |
38e73f87 MS |
1771 | { |
1772 | /* | |
acb056cb MS |
1773 | * Wait 2 seconds for a response to the local resolve; if nothing |
1774 | * comes in, do an additional domain resolution... | |
38e73f87 MS |
1775 | */ |
1776 | ||
3c218cf5 | 1777 | if (extrasent == 0 && domain && _cups_strcasecmp(domain, "local.")) |
acb056cb | 1778 | { |
eac3a0a0 | 1779 | if (options & _HTTP_RESOLVE_STDERR) |
acb056cb MS |
1780 | fprintf(stderr, |
1781 | "DEBUG: Resolving \"%s\", regtype=\"%s\", " | |
eac3a0a0 MS |
1782 | "domain=\"%s\"...\n", hostname, regtype, |
1783 | domain ? domain : ""); | |
88f9aafc | 1784 | |
acb056cb | 1785 | domainref = ref; |
3e7fe0ca | 1786 | if (DNSServiceResolve(&domainref, |
82cc1f9a | 1787 | kDNSServiceFlagsShareConnection, |
db8b865d | 1788 | myinterface, hostname, regtype, domain, |
3e7fe0ca MS |
1789 | http_resolve_cb, |
1790 | &uribuf) == kDNSServiceErr_NoError) | |
3c218cf5 MS |
1791 | extrasent = 1; |
1792 | } | |
1793 | else if (extrasent == 0 && !strcmp(scheme, "ippusb")) | |
1794 | { | |
1795 | if (options & _HTTP_RESOLVE_STDERR) | |
1796 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"_ipps._tcp\", domain=\"local.\"...\n", hostname); | |
1797 | ||
1798 | ippsref = ref; | |
1799 | if (DNSServiceResolve(&ippsref, | |
1800 | kDNSServiceFlagsShareConnection, | |
e13ce0be MS |
1801 | kDNSServiceInterfaceIndexAny, hostname, |
1802 | "_ipps._tcp", domain, http_resolve_cb, | |
3c218cf5 MS |
1803 | &uribuf) == kDNSServiceErr_NoError) |
1804 | extrasent = 1; | |
1805 | } | |
1806 | else if (extrasent == 1 && !strcmp(scheme, "ippusb")) | |
1807 | { | |
1808 | if (options & _HTTP_RESOLVE_STDERR) | |
1809 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"_ipp._tcp\", domain=\"local.\"...\n", hostname); | |
1810 | ||
1811 | ippref = ref; | |
1812 | if (DNSServiceResolve(&ippref, | |
1813 | kDNSServiceFlagsShareConnection, | |
e13ce0be MS |
1814 | kDNSServiceInterfaceIndexAny, hostname, |
1815 | "_ipp._tcp", domain, http_resolve_cb, | |
3c218cf5 MS |
1816 | &uribuf) == kDNSServiceErr_NoError) |
1817 | extrasent = 2; | |
acb056cb | 1818 | } |
6c48a6ca MS |
1819 | |
1820 | /* | |
1821 | * If it hasn't resolved within 5 seconds set the offline-report | |
1822 | * printer-state-reason... | |
1823 | */ | |
1824 | ||
eac3a0a0 MS |
1825 | if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 && |
1826 | time(NULL) > (start_time + 5)) | |
6c48a6ca MS |
1827 | { |
1828 | fputs("STATE: +offline-report\n", stderr); | |
1829 | offline = 1; | |
1830 | } | |
38e73f87 | 1831 | } |
acb056cb MS |
1832 | else |
1833 | { | |
2c3f5865 MS |
1834 | if (DNSServiceProcessResult(ref) == kDNSServiceErr_NoError && |
1835 | resolved_uri[0]) | |
acb056cb MS |
1836 | { |
1837 | uri = resolved_uri; | |
1838 | break; | |
1839 | } | |
1840 | } | |
1841 | } | |
38e73f87 | 1842 | |
3c218cf5 MS |
1843 | if (extrasent) |
1844 | { | |
1845 | if (domainref) | |
1846 | DNSServiceRefDeallocate(domainref); | |
1847 | if (ippref) | |
1848 | DNSServiceRefDeallocate(ippref); | |
1849 | if (ippsref) | |
1850 | DNSServiceRefDeallocate(ippsref); | |
1851 | } | |
38e73f87 MS |
1852 | |
1853 | DNSServiceRefDeallocate(localref); | |
1854 | } | |
5eb9da71 MS |
1855 | |
1856 | DNSServiceRefDeallocate(ref); | |
1857 | } | |
f3c17241 MS |
1858 | # else /* HAVE_AVAHI */ |
1859 | if ((uribuf.poll = avahi_simple_poll_new()) != NULL) | |
1860 | { | |
1861 | avahi_simple_poll_set_func(uribuf.poll, http_poll_cb, NULL); | |
1862 | ||
1863 | if ((client = avahi_client_new(avahi_simple_poll_get(uribuf.poll), | |
1864 | 0, http_client_cb, | |
1865 | &uribuf, &error)) != NULL) | |
1866 | { | |
1867 | if (avahi_service_resolver_new(client, AVAHI_IF_UNSPEC, | |
1868 | AVAHI_PROTO_UNSPEC, hostname, | |
1869 | regtype, "local.", AVAHI_PROTO_UNSPEC, 0, | |
1870 | http_resolve_cb, &uribuf) != NULL) | |
1871 | { | |
1872 | time_t start_time = time(NULL), | |
1873 | /* Start time */ | |
1874 | end_time = start_time + 90; | |
1875 | /* End time */ | |
1876 | int pstatus; /* Poll status */ | |
1877 | ||
1878 | pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000); | |
1879 | ||
1880 | if (pstatus == 0 && !resolved_uri[0] && domain && | |
1881 | _cups_strcasecmp(domain, "local.")) | |
1882 | { | |
1883 | /* | |
1884 | * Resolve for .local hasn't returned anything, try the listed | |
1885 | * domain... | |
1886 | */ | |
1887 | ||
1888 | avahi_service_resolver_new(client, AVAHI_IF_UNSPEC, | |
1889 | AVAHI_PROTO_UNSPEC, hostname, | |
1890 | regtype, domain, AVAHI_PROTO_UNSPEC, 0, | |
1891 | http_resolve_cb, &uribuf); | |
1892 | } | |
1893 | ||
1894 | while (!pstatus && !resolved_uri[0] && time(NULL) < end_time) | |
1895 | { | |
1896 | if ((pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000)) != 0) | |
1897 | break; | |
1898 | ||
1899 | /* | |
1900 | * If it hasn't resolved within 5 seconds set the offline-report | |
1901 | * printer-state-reason... | |
1902 | */ | |
1903 | ||
1904 | if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 && | |
1905 | time(NULL) > (start_time + 5)) | |
1906 | { | |
1907 | fputs("STATE: +offline-report\n", stderr); | |
1908 | offline = 1; | |
1909 | } | |
1910 | } | |
1911 | ||
1912 | /* | |
1913 | * Collect the result (if we got one). | |
1914 | */ | |
1915 | ||
1916 | if (resolved_uri[0]) | |
1917 | uri = resolved_uri; | |
1918 | } | |
1919 | ||
1920 | avahi_client_free(client); | |
1921 | } | |
1922 | ||
1923 | avahi_simple_poll_free(uribuf.poll); | |
1924 | } | |
1925 | # endif /* HAVE_DNSSD */ | |
1f0275e3 | 1926 | |
eac3a0a0 | 1927 | if (options & _HTTP_RESOLVE_STDERR) |
38e73f87 MS |
1928 | { |
1929 | if (uri) | |
3e7fe0ca | 1930 | { |
38e73f87 | 1931 | fprintf(stderr, "DEBUG: Resolved as \"%s\"...\n", uri); |
3e7fe0ca MS |
1932 | fputs("STATE: -connecting-to-device,offline-report\n", stderr); |
1933 | } | |
f11a948a | 1934 | else |
3e7fe0ca | 1935 | { |
4d301e69 | 1936 | fputs("DEBUG: Unable to resolve URI\n", stderr); |
3e7fe0ca MS |
1937 | fputs("STATE: -connecting-to-device\n", stderr); |
1938 | } | |
38e73f87 | 1939 | } |
1f0275e3 | 1940 | |
f3c17241 | 1941 | #else /* HAVE_DNSSD || HAVE_AVAHI */ |
1f0275e3 MS |
1942 | /* |
1943 | * No DNS-SD support... | |
1944 | */ | |
5eb9da71 MS |
1945 | |
1946 | uri = NULL; | |
f3c17241 | 1947 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
1f0275e3 | 1948 | |
eac3a0a0 | 1949 | if ((options & _HTTP_RESOLVE_STDERR) && !uri) |
a469f8a5 | 1950 | _cupsLangPrintFilter(stderr, "INFO", _("Unable to find printer.")); |
5eb9da71 | 1951 | } |
eac3a0a0 MS |
1952 | else |
1953 | { | |
1954 | /* | |
1955 | * Nothing more to do... | |
1956 | */ | |
1957 | ||
1958 | strlcpy(resolved_uri, uri, resolved_size); | |
1959 | uri = resolved_uri; | |
1960 | } | |
5eb9da71 | 1961 | |
4db7fcee | 1962 | DEBUG_printf(("2_httpResolveURI: Returning \"%s\"", uri)); |
1f0275e3 | 1963 | |
5eb9da71 MS |
1964 | return (uri); |
1965 | } | |
1966 | ||
1967 | ||
f3c17241 MS |
1968 | #ifdef HAVE_AVAHI |
1969 | /* | |
1970 | * 'http_client_cb()' - Client callback for resolving URI. | |
1971 | */ | |
1972 | ||
1973 | static void | |
1974 | http_client_cb( | |
1975 | AvahiClient *client, /* I - Client information */ | |
1976 | AvahiClientState state, /* I - Current state */ | |
1977 | void *context) /* I - Pointer to URI buffer */ | |
1978 | { | |
1979 | DEBUG_printf(("7http_client_cb(client=%p, state=%d, context=%p)", client, | |
1980 | state, context)); | |
1981 | ||
1982 | /* | |
1983 | * If the connection drops, quit. | |
1984 | */ | |
1985 | ||
1986 | if (state == AVAHI_CLIENT_FAILURE) | |
1987 | { | |
1988 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; | |
1989 | /* URI buffer */ | |
1990 | ||
1991 | avahi_simple_poll_quit(uribuf->poll); | |
1992 | } | |
1993 | } | |
1994 | #endif /* HAVE_AVAHI */ | |
1995 | ||
1996 | ||
ef416fc2 | 1997 | /* |
1998 | * 'http_copy_decode()' - Copy and decode a URI. | |
1999 | */ | |
2000 | ||
2001 | static const char * /* O - New source pointer or NULL on error */ | |
88f9aafc | 2002 | http_copy_decode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 2003 | const char *src, /* I - Source pointer */ |
2004 | int dstsize, /* I - Destination size */ | |
a4d04587 | 2005 | const char *term, /* I - Terminating characters */ |
2006 | int decode) /* I - Decode %-encoded values */ | |
ef416fc2 | 2007 | { |
2008 | char *ptr, /* Pointer into buffer */ | |
2009 | *end; /* End of buffer */ | |
2010 | int quoted; /* Quoted character */ | |
2011 | ||
2012 | ||
2013 | /* | |
2014 | * Copy the src to the destination until we hit a terminating character | |
2015 | * or the end of the string. | |
2016 | */ | |
2017 | ||
e00b005a | 2018 | for (ptr = dst, end = dst + dstsize - 1; |
2019 | *src && (!term || !strchr(term, *src)); | |
2020 | src ++) | |
ef416fc2 | 2021 | if (ptr < end) |
2022 | { | |
a4d04587 | 2023 | if (*src == '%' && decode) |
ef416fc2 | 2024 | { |
2025 | if (isxdigit(src[1] & 255) && isxdigit(src[2] & 255)) | |
2026 | { | |
2027 | /* | |
2028 | * Grab a hex-encoded character... | |
2029 | */ | |
2030 | ||
2031 | src ++; | |
2032 | if (isalpha(*src)) | |
2033 | quoted = (tolower(*src) - 'a' + 10) << 4; | |
2034 | else | |
2035 | quoted = (*src - '0') << 4; | |
2036 | ||
2037 | src ++; | |
2038 | if (isalpha(*src)) | |
2039 | quoted |= tolower(*src) - 'a' + 10; | |
2040 | else | |
2041 | quoted |= *src - '0'; | |
2042 | ||
7e86f2f6 | 2043 | *ptr++ = (char)quoted; |
ef416fc2 | 2044 | } |
2045 | else | |
2046 | { | |
2047 | /* | |
2048 | * Bad hex-encoded character... | |
2049 | */ | |
2050 | ||
2051 | *ptr = '\0'; | |
2052 | return (NULL); | |
2053 | } | |
2054 | } | |
6961465f MS |
2055 | else if ((*src & 255) <= 0x20 || (*src & 255) >= 0x7f) |
2056 | { | |
2057 | *ptr = '\0'; | |
2058 | return (NULL); | |
2059 | } | |
ef416fc2 | 2060 | else |
2061 | *ptr++ = *src; | |
2062 | } | |
2063 | ||
2064 | *ptr = '\0'; | |
2065 | ||
2066 | return (src); | |
2067 | } | |
2068 | ||
2069 | ||
2070 | /* | |
2071 | * 'http_copy_encode()' - Copy and encode a URI. | |
2072 | */ | |
2073 | ||
2074 | static char * /* O - End of current URI */ | |
88f9aafc | 2075 | http_copy_encode(char *dst, /* O - Destination buffer */ |
ef416fc2 | 2076 | const char *src, /* I - Source pointer */ |
2077 | char *dstend, /* I - End of destination buffer */ | |
a4d04587 | 2078 | const char *reserved, /* I - Extra reserved characters */ |
2079 | const char *term, /* I - Terminating characters */ | |
2080 | int encode) /* I - %-encode reserved chars? */ | |
ef416fc2 | 2081 | { |
ac884b6a | 2082 | static const char hex[] = "0123456789ABCDEF"; |
ef416fc2 | 2083 | |
2084 | ||
2085 | while (*src && dst < dstend) | |
2086 | { | |
a4d04587 | 2087 | if (term && *src == *term) |
2088 | return (dst); | |
2089 | ||
2090 | if (encode && (*src == '%' || *src <= ' ' || *src & 128 || | |
2091 | (reserved && strchr(reserved, *src)))) | |
ef416fc2 | 2092 | { |
2093 | /* | |
2094 | * Hex encode reserved characters... | |
2095 | */ | |
2096 | ||
2097 | if ((dst + 2) >= dstend) | |
2098 | break; | |
2099 | ||
2100 | *dst++ = '%'; | |
2101 | *dst++ = hex[(*src >> 4) & 15]; | |
2102 | *dst++ = hex[*src & 15]; | |
2103 | ||
2104 | src ++; | |
2105 | } | |
2106 | else | |
2107 | *dst++ = *src++; | |
2108 | } | |
2109 | ||
839a51c8 MS |
2110 | *dst = '\0'; |
2111 | ||
ef416fc2 | 2112 | if (*src) |
2113 | return (NULL); | |
2114 | else | |
2115 | return (dst); | |
2116 | } | |
2117 | ||
2118 | ||
5eb9da71 MS |
2119 | #ifdef HAVE_DNSSD |
2120 | /* | |
eac3a0a0 | 2121 | * 'http_resolve_cb()' - Build a device URI for the given service name. |
5eb9da71 MS |
2122 | */ |
2123 | ||
6d2f911b | 2124 | static void DNSSD_API |
eac3a0a0 | 2125 | http_resolve_cb( |
5eb9da71 MS |
2126 | DNSServiceRef sdRef, /* I - Service reference */ |
2127 | DNSServiceFlags flags, /* I - Results flags */ | |
2128 | uint32_t interfaceIndex, /* I - Interface number */ | |
2129 | DNSServiceErrorType errorCode, /* I - Error, if any */ | |
2130 | const char *fullName, /* I - Full service name */ | |
2131 | const char *hostTarget, /* I - Hostname */ | |
2132 | uint16_t port, /* I - Port number */ | |
2133 | uint16_t txtLen, /* I - Length of TXT record */ | |
2134 | const unsigned char *txtRecord, /* I - TXT record data */ | |
2135 | void *context) /* I - Pointer to URI buffer */ | |
2136 | { | |
f3c17241 MS |
2137 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; |
2138 | /* URI buffer */ | |
eac3a0a0 | 2139 | const char *scheme, /* URI scheme */ |
f3c17241 MS |
2140 | *hostptr, /* Pointer into hostTarget */ |
2141 | *reskey, /* "rp" or "rfo" */ | |
2142 | *resdefault; /* Default path */ | |
2143 | char resource[257], /* Remote path */ | |
eac3a0a0 | 2144 | fqdn[256]; /* FQDN of the .local name */ |
5eb9da71 MS |
2145 | const void *value; /* Value from TXT record */ |
2146 | uint8_t valueLen; /* Length of value */ | |
5eb9da71 MS |
2147 | |
2148 | ||
807315e6 | 2149 | 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 | 2150 | |
2c3f5865 MS |
2151 | /* |
2152 | * If we have a UUID, compare it... | |
2153 | */ | |
2154 | ||
2155 | if (uribuf->uuid && | |
2156 | (value = TXTRecordGetValuePtr(txtLen, txtRecord, "UUID", | |
2157 | &valueLen)) != NULL) | |
2158 | { | |
2159 | char uuid[256]; /* UUID value */ | |
2160 | ||
2161 | memcpy(uuid, value, valueLen); | |
2162 | uuid[valueLen] = '\0'; | |
2163 | ||
2164 | if (_cups_strcasecmp(uuid, uribuf->uuid)) | |
2165 | { | |
2166 | if (uribuf->options & _HTTP_RESOLVE_STDERR) | |
2c3f5865 MS |
2167 | fprintf(stderr, "DEBUG: Found UUID %s, looking for %s.", uuid, |
2168 | uribuf->uuid); | |
2c3f5865 | 2169 | |
4db7fcee | 2170 | DEBUG_printf(("5http_resolve_cb: Found UUID %s, looking for %s.", uuid, |
2c3f5865 MS |
2171 | uribuf->uuid)); |
2172 | return; | |
2173 | } | |
2174 | } | |
2175 | ||
5eb9da71 MS |
2176 | /* |
2177 | * Figure out the scheme from the full name... | |
2178 | */ | |
2179 | ||
eac3a0a0 MS |
2180 | if (strstr(fullName, "._ipps") || strstr(fullName, "._ipp-tls")) |
2181 | scheme = "ipps"; | |
2182 | else if (strstr(fullName, "._ipp") || strstr(fullName, "._fax-ipp")) | |
5eb9da71 | 2183 | scheme = "ipp"; |
eac3a0a0 MS |
2184 | else if (strstr(fullName, "._http.")) |
2185 | scheme = "http"; | |
2186 | else if (strstr(fullName, "._https.")) | |
2187 | scheme = "https"; | |
5eb9da71 MS |
2188 | else if (strstr(fullName, "._printer.")) |
2189 | scheme = "lpd"; | |
2190 | else if (strstr(fullName, "._pdl-datastream.")) | |
2191 | scheme = "socket"; | |
2192 | else | |
2193 | scheme = "riousbprint"; | |
2194 | ||
2195 | /* | |
2196 | * Extract the "remote printer" key from the TXT record... | |
2197 | */ | |
2198 | ||
f3c17241 | 2199 | if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) && |
0d4d48ad MS |
2200 | (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2201 | !TXTRecordGetValuePtr(txtLen, txtRecord, "printer-type", &valueLen)) | |
f3c17241 MS |
2202 | { |
2203 | reskey = "rfo"; | |
2204 | resdefault = "/ipp/faxout"; | |
2205 | } | |
2206 | else | |
2207 | { | |
2208 | reskey = "rp"; | |
2209 | resdefault = "/"; | |
2210 | } | |
2211 | ||
2212 | if ((value = TXTRecordGetValuePtr(txtLen, txtRecord, reskey, | |
5eb9da71 | 2213 | &valueLen)) != NULL) |
9b66acc5 MS |
2214 | { |
2215 | if (((char *)value)[0] == '/') | |
2216 | { | |
2217 | /* | |
f3c17241 | 2218 | * Value (incorrectly) has a leading slash already... |
9b66acc5 MS |
2219 | */ |
2220 | ||
f3c17241 MS |
2221 | memcpy(resource, value, valueLen); |
2222 | resource[valueLen] = '\0'; | |
9b66acc5 MS |
2223 | } |
2224 | else | |
2225 | { | |
2226 | /* | |
2227 | * Convert to resource by concatenating with a leading "/"... | |
2228 | */ | |
2229 | ||
f3c17241 MS |
2230 | resource[0] = '/'; |
2231 | memcpy(resource + 1, value, valueLen); | |
2232 | resource[valueLen + 1] = '\0'; | |
9b66acc5 MS |
2233 | } |
2234 | } | |
2235 | else | |
5eb9da71 MS |
2236 | { |
2237 | /* | |
f3c17241 | 2238 | * Use the default value... |
5eb9da71 MS |
2239 | */ |
2240 | ||
f3c17241 | 2241 | strlcpy(resource, resdefault, sizeof(resource)); |
5eb9da71 | 2242 | } |
5eb9da71 MS |
2243 | |
2244 | /* | |
eac3a0a0 | 2245 | * Lookup the FQDN if needed... |
5eb9da71 MS |
2246 | */ |
2247 | ||
eac3a0a0 MS |
2248 | if ((uribuf->options & _HTTP_RESOLVE_FQDN) && |
2249 | (hostptr = hostTarget + strlen(hostTarget) - 7) > hostTarget && | |
88f9aafc | 2250 | !_cups_strcasecmp(hostptr, ".local.")) |
eac3a0a0 MS |
2251 | { |
2252 | /* | |
2253 | * OK, we got a .local name but the caller needs a real domain. Start by | |
2254 | * getting the IP address of the .local name and then do reverse-lookups... | |
2255 | */ | |
2256 | ||
2257 | http_addrlist_t *addrlist, /* List of addresses */ | |
2258 | *addr; /* Current address */ | |
2259 | ||
4db7fcee | 2260 | DEBUG_printf(("5http_resolve_cb: Looking up \"%s\".", hostTarget)); |
eac3a0a0 MS |
2261 | |
2262 | snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port)); | |
2263 | if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL) | |
2264 | { | |
2265 | for (addr = addrlist; addr; addr = addr->next) | |
2266 | { | |
7e86f2f6 | 2267 | int error = getnameinfo(&(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr)), fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD); |
eac3a0a0 MS |
2268 | |
2269 | if (!error) | |
2270 | { | |
4db7fcee | 2271 | DEBUG_printf(("5http_resolve_cb: Found \"%s\".", fqdn)); |
eac3a0a0 MS |
2272 | |
2273 | if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn || | |
88f9aafc | 2274 | _cups_strcasecmp(hostptr, ".local")) |
eac3a0a0 MS |
2275 | { |
2276 | hostTarget = fqdn; | |
2277 | break; | |
2278 | } | |
2279 | } | |
2280 | #ifdef DEBUG | |
2281 | else | |
4db7fcee | 2282 | DEBUG_printf(("5http_resolve_cb: \"%s\" did not resolve: %d", |
eac3a0a0 MS |
2283 | httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)), |
2284 | error)); | |
2285 | #endif /* DEBUG */ | |
2286 | } | |
0fa6c7fa MS |
2287 | |
2288 | httpAddrFreeList(addrlist); | |
eac3a0a0 MS |
2289 | } |
2290 | } | |
2291 | ||
2292 | /* | |
2293 | * Assemble the final device URI... | |
2294 | */ | |
5eb9da71 | 2295 | |
5a9febac MS |
2296 | if ((!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2297 | !strcmp(uribuf->resource, "/cups")) | |
7e86f2f6 | 2298 | httpAssembleURIf(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, NULL, hostTarget, ntohs(port), "%s?snmp=false", resource); |
5a9febac | 2299 | else |
7e86f2f6 | 2300 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, NULL, hostTarget, ntohs(port), resource); |
5eb9da71 | 2301 | |
4db7fcee | 2302 | DEBUG_printf(("5http_resolve_cb: Resolved URI is \"%s\"...", uribuf->buffer)); |
5eb9da71 | 2303 | } |
f3c17241 MS |
2304 | |
2305 | #elif defined(HAVE_AVAHI) | |
2306 | /* | |
2307 | * 'http_poll_cb()' - Wait for input on the specified file descriptors. | |
2308 | * | |
2309 | * Note: This function is needed because avahi_simple_poll_iterate is broken | |
2310 | * and always uses a timeout of 0 (!) milliseconds. | |
2311 | * (Avahi Ticket #364) | |
53af7f21 MS |
2312 | * |
2313 | * @private@ | |
f3c17241 MS |
2314 | */ |
2315 | ||
2316 | static int /* O - Number of file descriptors matching */ | |
2317 | http_poll_cb( | |
2318 | struct pollfd *pollfds, /* I - File descriptors */ | |
2319 | unsigned int num_pollfds, /* I - Number of file descriptors */ | |
2320 | int timeout, /* I - Timeout in milliseconds (used) */ | |
2321 | void *context) /* I - User data (unused) */ | |
2322 | { | |
2323 | (void)timeout; | |
2324 | (void)context; | |
2325 | ||
2326 | return (poll(pollfds, num_pollfds, 2000)); | |
2327 | } | |
2328 | ||
2329 | ||
2330 | /* | |
2331 | * 'http_resolve_cb()' - Build a device URI for the given service name. | |
2332 | */ | |
2333 | ||
2334 | static void | |
2335 | http_resolve_cb( | |
2336 | AvahiServiceResolver *resolver, /* I - Resolver (unused) */ | |
2337 | AvahiIfIndex interface, /* I - Interface index (unused) */ | |
2338 | AvahiProtocol protocol, /* I - Network protocol (unused) */ | |
2339 | AvahiResolverEvent event, /* I - Event (found, etc.) */ | |
2340 | const char *name, /* I - Service name */ | |
2341 | const char *type, /* I - Registration type */ | |
2342 | const char *domain, /* I - Domain (unused) */ | |
2343 | const char *hostTarget, /* I - Hostname */ | |
2344 | const AvahiAddress *address, /* I - Address (unused) */ | |
2345 | uint16_t port, /* I - Port number */ | |
2346 | AvahiStringList *txt, /* I - TXT record */ | |
2347 | AvahiLookupResultFlags flags, /* I - Lookup flags (unused) */ | |
2348 | void *context) /* I - Pointer to URI buffer */ | |
2349 | { | |
2350 | _http_uribuf_t *uribuf = (_http_uribuf_t *)context; | |
2351 | /* URI buffer */ | |
2352 | const char *scheme, /* URI scheme */ | |
2353 | *hostptr, /* Pointer into hostTarget */ | |
2354 | *reskey, /* "rp" or "rfo" */ | |
2355 | *resdefault; /* Default path */ | |
2356 | char resource[257], /* Remote path */ | |
2357 | fqdn[256]; /* FQDN of the .local name */ | |
2358 | AvahiStringList *pair; /* Current TXT record key/value pair */ | |
2359 | char *value; /* Value for "rp" key */ | |
2360 | size_t valueLen = 0; /* Length of "rp" key */ | |
2361 | ||
2362 | ||
4db7fcee | 2363 | DEBUG_printf(("4http_resolve_cb(resolver=%p, " |
f3c17241 MS |
2364 | "interface=%d, protocol=%d, event=%d, name=\"%s\", " |
2365 | "type=\"%s\", domain=\"%s\", hostTarget=\"%s\", address=%p, " | |
2366 | "port=%d, txt=%p, flags=%d, context=%p)", | |
2367 | resolver, interface, protocol, event, name, type, domain, | |
2368 | hostTarget, address, port, txt, flags, context)); | |
2369 | ||
2370 | if (event != AVAHI_RESOLVER_FOUND) | |
2371 | { | |
2372 | avahi_service_resolver_free(resolver); | |
2373 | avahi_simple_poll_quit(uribuf->poll); | |
2374 | return; | |
2375 | } | |
2376 | ||
2c3f5865 MS |
2377 | /* |
2378 | * If we have a UUID, compare it... | |
2379 | */ | |
2380 | ||
2381 | if (uribuf->uuid && (pair = avahi_string_list_find(txt, "UUID")) != NULL) | |
2382 | { | |
2383 | char uuid[256]; /* UUID value */ | |
2384 | ||
2385 | avahi_string_list_get_pair(pair, NULL, &value, &valueLen); | |
2386 | ||
2387 | memcpy(uuid, value, valueLen); | |
2388 | uuid[valueLen] = '\0'; | |
2389 | ||
2390 | if (_cups_strcasecmp(uuid, uribuf->uuid)) | |
2391 | { | |
2392 | if (uribuf->options & _HTTP_RESOLVE_STDERR) | |
2c3f5865 MS |
2393 | fprintf(stderr, "DEBUG: Found UUID %s, looking for %s.", uuid, |
2394 | uribuf->uuid); | |
2c3f5865 | 2395 | |
4db7fcee | 2396 | DEBUG_printf(("5http_resolve_cb: Found UUID %s, looking for %s.", uuid, |
2c3f5865 MS |
2397 | uribuf->uuid)); |
2398 | return; | |
2399 | } | |
2400 | } | |
2401 | ||
f3c17241 MS |
2402 | /* |
2403 | * Figure out the scheme from the full name... | |
2404 | */ | |
2405 | ||
2406 | if (strstr(type, "_ipp.")) | |
2407 | scheme = "ipp"; | |
2408 | else if (strstr(type, "_printer.")) | |
2409 | scheme = "lpd"; | |
2410 | else if (strstr(type, "_pdl-datastream.")) | |
2411 | scheme = "socket"; | |
2412 | else | |
2413 | scheme = "riousbprint"; | |
2414 | ||
2415 | if (!strncmp(type, "_ipps.", 6) || !strncmp(type, "_ipp-tls.", 9)) | |
2416 | scheme = "ipps"; | |
2417 | else if (!strncmp(type, "_ipp.", 5) || !strncmp(type, "_fax-ipp.", 9)) | |
2418 | scheme = "ipp"; | |
2419 | else if (!strncmp(type, "_http.", 6)) | |
2420 | scheme = "http"; | |
2421 | else if (!strncmp(type, "_https.", 7)) | |
2422 | scheme = "https"; | |
2423 | else if (!strncmp(type, "_printer.", 9)) | |
2424 | scheme = "lpd"; | |
2425 | else if (!strncmp(type, "_pdl-datastream.", 16)) | |
2426 | scheme = "socket"; | |
2427 | else | |
2428 | { | |
2429 | avahi_service_resolver_free(resolver); | |
2430 | avahi_simple_poll_quit(uribuf->poll); | |
2431 | return; | |
2432 | } | |
2433 | ||
2434 | /* | |
2435 | * Extract the remote resource key from the TXT record... | |
2436 | */ | |
2437 | ||
2438 | if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) && | |
2c3f5865 MS |
2439 | (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) && |
2440 | !avahi_string_list_find(txt, "printer-type")) | |
f3c17241 MS |
2441 | { |
2442 | reskey = "rfo"; | |
2443 | resdefault = "/ipp/faxout"; | |
2444 | } | |
2445 | else | |
2446 | { | |
2447 | reskey = "rp"; | |
2448 | resdefault = "/"; | |
2449 | } | |
2450 | ||
2451 | if ((pair = avahi_string_list_find(txt, reskey)) != NULL) | |
2452 | { | |
2453 | avahi_string_list_get_pair(pair, NULL, &value, &valueLen); | |
2454 | ||
2455 | if (value[0] == '/') | |
2456 | { | |
2457 | /* | |
2458 | * Value (incorrectly) has a leading slash already... | |
2459 | */ | |
2460 | ||
2461 | memcpy(resource, value, valueLen); | |
2462 | resource[valueLen] = '\0'; | |
2463 | } | |
2464 | else | |
2465 | { | |
2466 | /* | |
2467 | * Convert to resource by concatenating with a leading "/"... | |
2468 | */ | |
2469 | ||
2470 | resource[0] = '/'; | |
2471 | memcpy(resource + 1, value, valueLen); | |
2472 | resource[valueLen + 1] = '\0'; | |
2473 | } | |
2474 | } | |
2475 | else | |
2476 | { | |
2477 | /* | |
2478 | * Use the default value... | |
2479 | */ | |
2480 | ||
2481 | strlcpy(resource, resdefault, sizeof(resource)); | |
2482 | } | |
2483 | ||
2484 | /* | |
2485 | * Lookup the FQDN if needed... | |
2486 | */ | |
2487 | ||
2488 | if ((uribuf->options & _HTTP_RESOLVE_FQDN) && | |
2489 | (hostptr = hostTarget + strlen(hostTarget) - 6) > hostTarget && | |
2490 | !_cups_strcasecmp(hostptr, ".local")) | |
2491 | { | |
2492 | /* | |
2493 | * OK, we got a .local name but the caller needs a real domain. Start by | |
2494 | * getting the IP address of the .local name and then do reverse-lookups... | |
2495 | */ | |
2496 | ||
2497 | http_addrlist_t *addrlist, /* List of addresses */ | |
2498 | *addr; /* Current address */ | |
2499 | ||
4db7fcee | 2500 | DEBUG_printf(("5http_resolve_cb: Looking up \"%s\".", hostTarget)); |
f3c17241 MS |
2501 | |
2502 | snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port)); | |
2503 | if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL) | |
2504 | { | |
2505 | for (addr = addrlist; addr; addr = addr->next) | |
2506 | { | |
07623986 | 2507 | int error = getnameinfo(&(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr)), fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD); |
f3c17241 MS |
2508 | |
2509 | if (!error) | |
2510 | { | |
4db7fcee | 2511 | DEBUG_printf(("5http_resolve_cb: Found \"%s\".", fqdn)); |
f3c17241 MS |
2512 | |
2513 | if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn || | |
2514 | _cups_strcasecmp(hostptr, ".local")) | |
2515 | { | |
2516 | hostTarget = fqdn; | |
2517 | break; | |
2518 | } | |
2519 | } | |
2520 | #ifdef DEBUG | |
2521 | else | |
4db7fcee | 2522 | DEBUG_printf(("5http_resolve_cb: \"%s\" did not resolve: %d", |
f3c17241 MS |
2523 | httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)), |
2524 | error)); | |
2525 | #endif /* DEBUG */ | |
2526 | } | |
0fa6c7fa MS |
2527 | |
2528 | httpAddrFreeList(addrlist); | |
f3c17241 MS |
2529 | } |
2530 | } | |
2531 | ||
2532 | /* | |
2533 | * Assemble the final device URI using the resolved hostname... | |
2534 | */ | |
2535 | ||
329cfeb0 | 2536 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, |
f3c17241 | 2537 | NULL, hostTarget, port, resource); |
4db7fcee | 2538 | DEBUG_printf(("5http_resolve_cb: Resolved URI is \"%s\".", uribuf->buffer)); |
f3c17241 MS |
2539 | |
2540 | avahi_simple_poll_quit(uribuf->poll); | |
2541 | } | |
5eb9da71 | 2542 | #endif /* HAVE_DNSSD */ |