]>
Commit | Line | Data |
---|---|---|
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 | * |
71e16022 | 6 | * Copyright 2007-2010 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. | |
23 | * httpDecode64() - Base64-decode a string. | |
24 | * httpDecode64_2() - Base64-decode a string. | |
25 | * httpEncode64() - Base64-encode a string. | |
26 | * httpEncode64_2() - Base64-encode a string. | |
27 | * httpGetDateString() - Get a formatted date/time string from a time value. | |
28 | * httpGetDateString2() - Get a formatted date/time string from a time value. | |
29 | * httpGetDateTime() - Get a time value from a formatted date/time string. | |
30 | * httpSeparate() - Separate a Universal Resource Identifier into its | |
31 | * components. | |
32 | * httpSeparate2() - Separate a Universal Resource Identifier into its | |
33 | * components. | |
34 | * httpSeparateURI() - Separate a Universal Resource Identifier into its | |
35 | * components. | |
36 | * httpStatus() - Return a short string describing a HTTP status code. | |
37 | * _cups_hstrerror() - hstrerror() emulation function for Solaris and | |
38 | * others... | |
1106b00e | 39 | * _httpDecodeURI() - Percent-decode a HTTP request URI. |
839a51c8 | 40 | * _httpEncodeURI() - Percent-encode a HTTP request URI. |
5eb9da71 | 41 | * _httpResolveURI() - Resolve a DNS-SD URI. |
ef416fc2 | 42 | * http_copy_decode() - Copy and decode a URI. |
43 | * http_copy_encode() - Copy and encode a URI. | |
5eb9da71 | 44 | * resolve_callback() - Build a device URI for the given service name. |
ef416fc2 | 45 | */ |
46 | ||
47 | /* | |
48 | * Include necessary headers... | |
49 | */ | |
50 | ||
71e16022 | 51 | #include "cups-private.h" |
5eb9da71 MS |
52 | #ifdef HAVE_DNSSD |
53 | # include <dns_sd.h> | |
6d2f911b MS |
54 | # ifdef WIN32 |
55 | # include <io.h> | |
56 | # elif defined(HAVE_POLL) | |
57 | # include <poll.h> | |
58 | # else | |
59 | # include <sys/select.h> | |
60 | # endif /* WIN32 */ | |
5eb9da71 MS |
61 | #endif /* HAVE_DNSSD */ |
62 | ||
63 | ||
64 | /* | |
65 | * Local types... | |
66 | */ | |
67 | ||
68 | typedef struct _http_uribuf_s /* URI buffer */ | |
69 | { | |
70 | char *buffer; /* Pointer to buffer */ | |
71 | size_t bufsize; /* Size of buffer */ | |
72 | } _http_uribuf_t; | |
ef416fc2 | 73 | |
74 | ||
75 | /* | |
76 | * Local globals... | |
77 | */ | |
78 | ||
79 | static const char * const http_days[7] = | |
80 | { | |
0a682745 MS |
81 | "Sun", |
82 | "Mon", | |
ef416fc2 | 83 | "Tue", |
84 | "Wed", | |
85 | "Thu", | |
86 | "Fri", | |
87 | "Sat" | |
88 | }; | |
89 | static const char * const http_months[12] = | |
90 | { | |
91 | "Jan", | |
92 | "Feb", | |
93 | "Mar", | |
94 | "Apr", | |
95 | "May", | |
96 | "Jun", | |
97 | "Jul", | |
98 | "Aug", | |
99 | "Sep", | |
100 | "Oct", | |
101 | "Nov", | |
102 | "Dec" | |
103 | }; | |
104 | ||
105 | ||
106 | /* | |
107 | * Local functions... | |
108 | */ | |
109 | ||
110 | static const char *http_copy_decode(char *dst, const char *src, | |
a4d04587 | 111 | int dstsize, const char *term, |
112 | int decode); | |
ef416fc2 | 113 | static char *http_copy_encode(char *dst, const char *src, |
a4d04587 | 114 | char *dstend, const char *reserved, |
115 | const char *term, int encode); | |
5eb9da71 | 116 | #ifdef HAVE_DNSSD |
6d2f911b | 117 | static void DNSSD_API resolve_callback(DNSServiceRef sdRef, |
5eb9da71 MS |
118 | DNSServiceFlags flags, |
119 | uint32_t interfaceIndex, | |
120 | DNSServiceErrorType errorCode, | |
121 | const char *fullName, | |
122 | const char *hostTarget, | |
123 | uint16_t port, uint16_t txtLen, | |
124 | const unsigned char *txtRecord, | |
125 | void *context); | |
126 | #endif /* HAVE_DNSSD */ | |
ef416fc2 | 127 | |
128 | ||
129 | /* | |
130 | * 'httpAssembleURI()' - Assemble a uniform resource identifier from its | |
131 | * components. | |
132 | * | |
ecdc0628 | 133 | * This function escapes reserved characters in the URI depending on the |
134 | * value of the "encoding" argument. You should use this function in | |
135 | * place of traditional string functions whenever you need to create a | |
136 | * URI string. | |
ef416fc2 | 137 | * |
426c6a59 | 138 | * @since CUPS 1.2/Mac OS X 10.5@ |
ef416fc2 | 139 | */ |
140 | ||
141 | http_uri_status_t /* O - URI status */ | |
a4d04587 | 142 | httpAssembleURI( |
143 | http_uri_coding_t encoding, /* I - Encoding flags */ | |
144 | char *uri, /* I - URI buffer */ | |
145 | int urilen, /* I - Size of URI buffer */ | |
146 | const char *scheme, /* I - Scheme name */ | |
147 | const char *username, /* I - Username */ | |
148 | const char *host, /* I - Hostname or address */ | |
149 | int port, /* I - Port number */ | |
150 | const char *resource) /* I - Resource */ | |
ef416fc2 | 151 | { |
152 | char *ptr, /* Pointer into URI buffer */ | |
153 | *end; /* End of URI buffer */ | |
ef416fc2 | 154 | |
155 | ||
156 | /* | |
157 | * Range check input... | |
158 | */ | |
159 | ||
160 | if (!uri || urilen < 1 || !scheme || port < 0) | |
161 | { | |
162 | if (uri) | |
163 | *uri = '\0'; | |
164 | ||
165 | return (HTTP_URI_BAD_ARGUMENTS); | |
166 | } | |
167 | ||
168 | /* | |
169 | * Assemble the URI starting with the scheme... | |
170 | */ | |
171 | ||
172 | end = uri + urilen - 1; | |
a4d04587 | 173 | ptr = http_copy_encode(uri, scheme, end, NULL, NULL, 0); |
ef416fc2 | 174 | |
175 | if (!ptr) | |
176 | goto assemble_overflow; | |
177 | ||
f7deaa1a | 178 | if (!strcmp(scheme, "mailto")) |
ef416fc2 | 179 | { |
180 | /* | |
181 | * mailto: only has :, no //... | |
182 | */ | |
183 | ||
184 | if (ptr < end) | |
185 | *ptr++ = ':'; | |
186 | else | |
187 | goto assemble_overflow; | |
188 | } | |
189 | else | |
190 | { | |
191 | /* | |
192 | * Schemes other than mailto: all have //... | |
193 | */ | |
194 | ||
195 | if ((ptr + 2) < end) | |
196 | { | |
197 | *ptr++ = ':'; | |
198 | *ptr++ = '/'; | |
199 | *ptr++ = '/'; | |
200 | } | |
201 | else | |
202 | goto assemble_overflow; | |
203 | } | |
204 | ||
205 | /* | |
206 | * Next the username and hostname, if any... | |
207 | */ | |
208 | ||
209 | if (host) | |
210 | { | |
211 | if (username && *username) | |
212 | { | |
213 | /* | |
214 | * Add username@ first... | |
215 | */ | |
216 | ||
a4d04587 | 217 | ptr = http_copy_encode(ptr, username, end, "/?@", NULL, |
218 | encoding & HTTP_URI_CODING_USERNAME); | |
ef416fc2 | 219 | |
220 | if (!ptr) | |
221 | goto assemble_overflow; | |
222 | ||
223 | if (ptr < end) | |
224 | *ptr++ = '@'; | |
225 | else | |
226 | goto assemble_overflow; | |
227 | } | |
228 | ||
229 | /* | |
230 | * Then add the hostname. Since IPv6 is a particular pain to deal | |
c9fc04c6 | 231 | * with, we have several special cases to deal with. If we get |
ef416fc2 | 232 | * an IPv6 address with brackets around it, assume it is already in |
c9fc04c6 MS |
233 | * URI format. Since DNS-SD service names can sometimes look like |
234 | * raw IPv6 addresses, we specifically look for "._tcp" in the name, | |
235 | * too... | |
ef416fc2 | 236 | */ |
237 | ||
c9fc04c6 | 238 | if (host[0] != '[' && strchr(host, ':') && !strstr(host, "._tcp")) |
ef416fc2 | 239 | { |
240 | /* | |
c9fc04c6 | 241 | * We have a raw IPv6 address... |
ef416fc2 | 242 | */ |
243 | ||
244 | if (strchr(host, '%')) | |
245 | { | |
246 | /* | |
247 | * We have a link-local address, add "[v1." prefix... | |
248 | */ | |
249 | ||
250 | if ((ptr + 4) < end) | |
251 | { | |
252 | *ptr++ = '['; | |
253 | *ptr++ = 'v'; | |
254 | *ptr++ = '1'; | |
255 | *ptr++ = '.'; | |
256 | } | |
257 | else | |
258 | goto assemble_overflow; | |
259 | } | |
260 | else | |
261 | { | |
262 | /* | |
263 | * We have a normal address, add "[" prefix... | |
264 | */ | |
265 | ||
266 | if (ptr < end) | |
267 | *ptr++ = '['; | |
268 | else | |
269 | goto assemble_overflow; | |
270 | } | |
271 | ||
272 | /* | |
273 | * Copy the rest of the IPv6 address, and terminate with "]". | |
274 | */ | |
275 | ||
276 | while (ptr < end && *host) | |
277 | { | |
278 | if (*host == '%') | |
279 | { | |
280 | *ptr++ = '+'; /* Convert zone separator */ | |
281 | host ++; | |
282 | } | |
283 | else | |
284 | *ptr++ = *host++; | |
285 | } | |
286 | ||
287 | if (*host) | |
288 | goto assemble_overflow; | |
289 | ||
290 | if (ptr < end) | |
291 | *ptr++ = ']'; | |
292 | else | |
293 | goto assemble_overflow; | |
294 | } | |
295 | else | |
296 | { | |
297 | /* | |
298 | * Otherwise, just copy the host string... | |
299 | */ | |
300 | ||
7cf5915e | 301 | ptr = http_copy_encode(ptr, host, end, ":/?#[]@\\\"", NULL, |
a4d04587 | 302 | encoding & HTTP_URI_CODING_HOSTNAME); |
ef416fc2 | 303 | |
304 | if (!ptr) | |
305 | goto assemble_overflow; | |
306 | } | |
307 | ||
308 | /* | |
309 | * Finish things off with the port number... | |
310 | */ | |
311 | ||
312 | if (port > 0) | |
313 | { | |
314 | snprintf(ptr, end - ptr + 1, ":%d", port); | |
315 | ptr += strlen(ptr); | |
316 | ||
317 | if (ptr >= end) | |
318 | goto assemble_overflow; | |
319 | } | |
320 | } | |
321 | ||
322 | /* | |
323 | * Last but not least, add the resource string... | |
324 | */ | |
325 | ||
a4d04587 | 326 | if (resource) |
ef416fc2 | 327 | { |
fa73b229 | 328 | char *query; /* Pointer to query string */ |
329 | ||
330 | ||
fa73b229 | 331 | /* |
a4d04587 | 332 | * Copy the resource string up to the query string if present... |
fa73b229 | 333 | */ |
334 | ||
a4d04587 | 335 | query = strchr(resource, '?'); |
336 | ptr = http_copy_encode(ptr, resource, end, NULL, "?", | |
337 | encoding & HTTP_URI_CODING_RESOURCE); | |
ef416fc2 | 338 | if (!ptr) |
339 | goto assemble_overflow; | |
fa73b229 | 340 | |
341 | if (query) | |
342 | { | |
343 | /* | |
344 | * Copy query string without encoding... | |
345 | */ | |
346 | ||
a4d04587 | 347 | ptr = http_copy_encode(ptr, query, end, NULL, NULL, |
348 | encoding & HTTP_URI_CODING_QUERY); | |
349 | if (!ptr) | |
350 | goto assemble_overflow; | |
fa73b229 | 351 | } |
ef416fc2 | 352 | } |
353 | else if (ptr < end) | |
354 | *ptr++ = '/'; | |
355 | else | |
356 | goto assemble_overflow; | |
357 | ||
358 | /* | |
359 | * Nul-terminate the URI buffer and return with no errors... | |
360 | */ | |
361 | ||
362 | *ptr = '\0'; | |
363 | ||
364 | return (HTTP_URI_OK); | |
365 | ||
366 | /* | |
367 | * Clear the URI string and return an overflow error; I don't usually | |
368 | * like goto's, but in this case it makes sense... | |
369 | */ | |
370 | ||
371 | assemble_overflow: | |
372 | ||
373 | *uri = '\0'; | |
374 | return (HTTP_URI_OVERFLOW); | |
375 | } | |
376 | ||
377 | ||
a4d04587 | 378 | /* |
379 | * 'httpAssembleURIf()' - Assemble a uniform resource identifier from its | |
380 | * components with a formatted resource. | |
381 | * | |
382 | * This function creates a formatted version of the resource string | |
ecdc0628 | 383 | * argument "resourcef" and escapes reserved characters in the URI |
384 | * depending on the value of the "encoding" argument. You should use | |
385 | * this function in place of traditional string functions whenever | |
386 | * you need to create a URI string. | |
a4d04587 | 387 | * |
426c6a59 | 388 | * @since CUPS 1.2/Mac OS X 10.5@ |
a4d04587 | 389 | */ |
390 | ||
391 | http_uri_status_t /* O - URI status */ | |
392 | httpAssembleURIf( | |
393 | http_uri_coding_t encoding, /* I - Encoding flags */ | |
394 | char *uri, /* I - URI buffer */ | |
395 | int urilen, /* I - Size of URI buffer */ | |
396 | const char *scheme, /* I - Scheme name */ | |
397 | const char *username, /* I - Username */ | |
398 | const char *host, /* I - Hostname or address */ | |
399 | int port, /* I - Port number */ | |
400 | const char *resourcef, /* I - Printf-style resource */ | |
401 | ...) /* I - Additional arguments as needed */ | |
402 | { | |
403 | va_list ap; /* Pointer to additional arguments */ | |
404 | char resource[1024]; /* Formatted resource string */ | |
405 | int bytes; /* Bytes in formatted string */ | |
406 | ||
407 | ||
408 | /* | |
409 | * Range check input... | |
410 | */ | |
411 | ||
412 | if (!uri || urilen < 1 || !scheme || port < 0 || !resourcef) | |
413 | { | |
414 | if (uri) | |
415 | *uri = '\0'; | |
416 | ||
417 | return (HTTP_URI_BAD_ARGUMENTS); | |
418 | } | |
419 | ||
420 | /* | |
421 | * Format the resource string and assemble the URI... | |
422 | */ | |
423 | ||
424 | va_start(ap, resourcef); | |
425 | bytes = vsnprintf(resource, sizeof(resource), resourcef, ap); | |
426 | va_end(ap); | |
427 | ||
428 | if (bytes >= sizeof(resource)) | |
429 | { | |
430 | *uri = '\0'; | |
431 | return (HTTP_URI_OVERFLOW); | |
432 | } | |
433 | else | |
434 | return (httpAssembleURI(encoding, uri, urilen, scheme, username, host, | |
435 | port, resource)); | |
436 | } | |
437 | ||
438 | ||
ef416fc2 | 439 | /* |
440 | * 'httpDecode64()' - Base64-decode a string. | |
ecdc0628 | 441 | * |
442 | * This function is deprecated. Use the httpDecode64_2() function instead | |
443 | * which provides buffer length arguments. | |
444 | * | |
445 | * @deprecated@ | |
ef416fc2 | 446 | */ |
447 | ||
448 | char * /* O - Decoded string */ | |
449 | httpDecode64(char *out, /* I - String to write to */ | |
450 | const char *in) /* I - String to read from */ | |
451 | { | |
452 | int outlen; /* Output buffer length */ | |
453 | ||
454 | ||
455 | /* | |
456 | * Use the old maximum buffer size for binary compatibility... | |
457 | */ | |
458 | ||
459 | outlen = 512; | |
460 | ||
461 | return (httpDecode64_2(out, &outlen, in)); | |
462 | } | |
463 | ||
464 | ||
465 | /* | |
466 | * 'httpDecode64_2()' - Base64-decode a string. | |
467 | * | |
426c6a59 | 468 | * @since CUPS 1.1.21/Mac OS X 10.4@ |
ef416fc2 | 469 | */ |
470 | ||
471 | char * /* O - Decoded string */ | |
472 | httpDecode64_2(char *out, /* I - String to write to */ | |
473 | int *outlen, /* IO - Size of output string */ | |
474 | const char *in) /* I - String to read from */ | |
475 | { | |
476 | int pos, /* Bit position */ | |
477 | base64; /* Value of this character */ | |
478 | char *outptr, /* Output pointer */ | |
479 | *outend; /* End of output buffer */ | |
480 | ||
481 | ||
482 | /* | |
483 | * Range check input... | |
484 | */ | |
485 | ||
fa73b229 | 486 | if (!out || !outlen || *outlen < 1 || !in) |
ef416fc2 | 487 | return (NULL); |
488 | ||
fa73b229 | 489 | if (!*in) |
490 | { | |
491 | *out = '\0'; | |
492 | *outlen = 0; | |
493 | ||
494 | return (out); | |
495 | } | |
496 | ||
ef416fc2 | 497 | /* |
498 | * Convert from base-64 to bytes... | |
499 | */ | |
500 | ||
501 | for (outptr = out, outend = out + *outlen - 1, pos = 0; *in != '\0'; in ++) | |
502 | { | |
503 | /* | |
504 | * Decode this character into a number from 0 to 63... | |
505 | */ | |
506 | ||
507 | if (*in >= 'A' && *in <= 'Z') | |
508 | base64 = *in - 'A'; | |
509 | else if (*in >= 'a' && *in <= 'z') | |
510 | base64 = *in - 'a' + 26; | |
511 | else if (*in >= '0' && *in <= '9') | |
512 | base64 = *in - '0' + 52; | |
513 | else if (*in == '+') | |
514 | base64 = 62; | |
515 | else if (*in == '/') | |
516 | base64 = 63; | |
517 | else if (*in == '=') | |
518 | break; | |
519 | else | |
520 | continue; | |
521 | ||
522 | /* | |
523 | * Store the result in the appropriate chars... | |
524 | */ | |
525 | ||
526 | switch (pos) | |
527 | { | |
528 | case 0 : | |
529 | if (outptr < outend) | |
530 | *outptr = base64 << 2; | |
531 | pos ++; | |
532 | break; | |
533 | case 1 : | |
534 | if (outptr < outend) | |
535 | *outptr++ |= (base64 >> 4) & 3; | |
536 | if (outptr < outend) | |
537 | *outptr = (base64 << 4) & 255; | |
538 | pos ++; | |
539 | break; | |
540 | case 2 : | |
541 | if (outptr < outend) | |
542 | *outptr++ |= (base64 >> 2) & 15; | |
543 | if (outptr < outend) | |
544 | *outptr = (base64 << 6) & 255; | |
545 | pos ++; | |
546 | break; | |
547 | case 3 : | |
548 | if (outptr < outend) | |
549 | *outptr++ |= base64; | |
550 | pos = 0; | |
551 | break; | |
552 | } | |
553 | } | |
554 | ||
555 | *outptr = '\0'; | |
556 | ||
557 | /* | |
558 | * Return the decoded string and size... | |
559 | */ | |
560 | ||
561 | *outlen = (int)(outptr - out); | |
562 | ||
563 | return (out); | |
564 | } | |
565 | ||
566 | ||
567 | /* | |
568 | * 'httpEncode64()' - Base64-encode a string. | |
ecdc0628 | 569 | * |
570 | * This function is deprecated. Use the httpEncode64_2() function instead | |
571 | * which provides buffer length arguments. | |
572 | * | |
573 | * @deprecated@ | |
ef416fc2 | 574 | */ |
575 | ||
576 | char * /* O - Encoded string */ | |
577 | httpEncode64(char *out, /* I - String to write to */ | |
578 | const char *in) /* I - String to read from */ | |
579 | { | |
b86bc4cf | 580 | return (httpEncode64_2(out, 512, in, (int)strlen(in))); |
ef416fc2 | 581 | } |
582 | ||
583 | ||
584 | /* | |
585 | * 'httpEncode64_2()' - Base64-encode a string. | |
586 | * | |
426c6a59 | 587 | * @since CUPS 1.1.21/Mac OS X 10.4@ |
ef416fc2 | 588 | */ |
589 | ||
590 | char * /* O - Encoded string */ | |
591 | httpEncode64_2(char *out, /* I - String to write to */ | |
592 | int outlen, /* I - Size of output string */ | |
593 | const char *in, /* I - String to read from */ | |
594 | int inlen) /* I - Size of input string */ | |
595 | { | |
596 | char *outptr, /* Output pointer */ | |
597 | *outend; /* End of output buffer */ | |
598 | static const char base64[] = /* Base64 characters... */ | |
599 | { | |
600 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
601 | "abcdefghijklmnopqrstuvwxyz" | |
602 | "0123456789" | |
603 | "+/" | |
604 | }; | |
605 | ||
606 | ||
607 | /* | |
608 | * Range check input... | |
609 | */ | |
610 | ||
611 | if (!out || outlen < 1 || !in) | |
612 | return (NULL); | |
613 | ||
614 | /* | |
615 | * Convert bytes to base-64... | |
616 | */ | |
617 | ||
618 | for (outptr = out, outend = out + outlen - 1; inlen > 0; in ++, inlen --) | |
619 | { | |
620 | /* | |
621 | * Encode the up to 3 characters as 4 Base64 numbers... | |
622 | */ | |
623 | ||
624 | if (outptr < outend) | |
625 | *outptr ++ = base64[(in[0] & 255) >> 2]; | |
26d47ec6 | 626 | |
ef416fc2 | 627 | if (outptr < outend) |
26d47ec6 | 628 | { |
629 | if (inlen > 1) | |
630 | *outptr ++ = base64[(((in[0] & 255) << 4) | ((in[1] & 255) >> 4)) & 63]; | |
631 | else | |
632 | *outptr ++ = base64[((in[0] & 255) << 4) & 63]; | |
633 | } | |
ef416fc2 | 634 | |
635 | in ++; | |
636 | inlen --; | |
637 | if (inlen <= 0) | |
638 | { | |
639 | if (outptr < outend) | |
640 | *outptr ++ = '='; | |
641 | if (outptr < outend) | |
642 | *outptr ++ = '='; | |
643 | break; | |
644 | } | |
645 | ||
646 | if (outptr < outend) | |
26d47ec6 | 647 | { |
648 | if (inlen > 1) | |
649 | *outptr ++ = base64[(((in[0] & 255) << 2) | ((in[1] & 255) >> 6)) & 63]; | |
650 | else | |
651 | *outptr ++ = base64[((in[0] & 255) << 2) & 63]; | |
652 | } | |
ef416fc2 | 653 | |
654 | in ++; | |
655 | inlen --; | |
656 | if (inlen <= 0) | |
657 | { | |
658 | if (outptr < outend) | |
659 | *outptr ++ = '='; | |
660 | break; | |
661 | } | |
662 | ||
663 | if (outptr < outend) | |
664 | *outptr ++ = base64[in[0] & 63]; | |
665 | } | |
666 | ||
667 | *outptr = '\0'; | |
668 | ||
669 | /* | |
670 | * Return the encoded string... | |
671 | */ | |
672 | ||
673 | return (out); | |
674 | } | |
675 | ||
676 | ||
677 | /* | |
678 | * 'httpGetDateString()' - Get a formatted date/time string from a time value. | |
679 | * | |
680 | * @deprecated@ | |
681 | */ | |
682 | ||
683 | const char * /* O - Date/time string */ | |
684 | httpGetDateString(time_t t) /* I - UNIX time */ | |
685 | { | |
686 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
687 | ||
688 | ||
689 | return (httpGetDateString2(t, cg->http_date, sizeof(cg->http_date))); | |
690 | } | |
691 | ||
692 | ||
693 | /* | |
694 | * 'httpGetDateString2()' - Get a formatted date/time string from a time value. | |
695 | * | |
426c6a59 | 696 | * @since CUPS 1.2/Mac OS X 10.5@ |
ef416fc2 | 697 | */ |
698 | ||
699 | const char * /* O - Date/time string */ | |
700 | httpGetDateString2(time_t t, /* I - UNIX time */ | |
701 | char *s, /* I - String buffer */ | |
702 | int slen) /* I - Size of string buffer */ | |
703 | { | |
704 | struct tm *tdate; /* UNIX date/time data */ | |
705 | ||
706 | ||
707 | tdate = gmtime(&t); | |
708 | snprintf(s, slen, "%s, %02d %s %d %02d:%02d:%02d GMT", | |
709 | http_days[tdate->tm_wday], tdate->tm_mday, | |
710 | http_months[tdate->tm_mon], tdate->tm_year + 1900, | |
711 | tdate->tm_hour, tdate->tm_min, tdate->tm_sec); | |
712 | ||
713 | return (s); | |
714 | } | |
715 | ||
716 | ||
717 | /* | |
718 | * 'httpGetDateTime()' - Get a time value from a formatted date/time string. | |
719 | */ | |
720 | ||
721 | time_t /* O - UNIX time */ | |
722 | httpGetDateTime(const char *s) /* I - Date/time string */ | |
723 | { | |
724 | int i; /* Looping var */ | |
725 | char mon[16]; /* Abbreviated month name */ | |
726 | int day, year; /* Day of month and year */ | |
727 | int hour, min, sec; /* Time */ | |
728 | int days; /* Number of days since 1970 */ | |
729 | static const int normal_days[] = /* Days to a month, normal years */ | |
730 | { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 }; | |
731 | static const int leap_days[] = /* Days to a month, leap years */ | |
732 | { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }; | |
733 | ||
734 | ||
e07d4801 | 735 | DEBUG_printf(("2httpGetDateTime(s=\"%s\")", s)); |
ef416fc2 | 736 | |
737 | /* | |
738 | * Extract the date and time from the formatted string... | |
739 | */ | |
740 | ||
741 | if (sscanf(s, "%*s%d%15s%d%d:%d:%d", &day, mon, &year, &hour, &min, &sec) < 6) | |
742 | return (0); | |
743 | ||
e07d4801 MS |
744 | DEBUG_printf(("4httpGetDateTime: day=%d, mon=\"%s\", year=%d, hour=%d, " |
745 | "min=%d, sec=%d", day, mon, year, hour, min, sec)); | |
ef416fc2 | 746 | |
747 | /* | |
748 | * Convert the month name to a number from 0 to 11. | |
749 | */ | |
750 | ||
751 | for (i = 0; i < 12; i ++) | |
752 | if (!strcasecmp(mon, http_months[i])) | |
753 | break; | |
754 | ||
755 | if (i >= 12) | |
756 | return (0); | |
757 | ||
e07d4801 | 758 | DEBUG_printf(("4httpGetDateTime: i=%d", i)); |
ef416fc2 | 759 | |
760 | /* | |
761 | * Now convert the date and time to a UNIX time value in seconds since | |
762 | * 1970. We can't use mktime() since the timezone may not be UTC but | |
763 | * the date/time string *is* UTC. | |
764 | */ | |
765 | ||
766 | if ((year & 3) == 0 && ((year % 100) != 0 || (year % 400) == 0)) | |
767 | days = leap_days[i] + day - 1; | |
768 | else | |
769 | days = normal_days[i] + day - 1; | |
770 | ||
e07d4801 | 771 | DEBUG_printf(("4httpGetDateTime: days=%d", days)); |
ef416fc2 | 772 | |
773 | days += (year - 1970) * 365 + /* 365 days per year (normally) */ | |
774 | ((year - 1) / 4 - 492) - /* + leap days */ | |
775 | ((year - 1) / 100 - 19) + /* - 100 year days */ | |
776 | ((year - 1) / 400 - 4); /* + 400 year days */ | |
777 | ||
e07d4801 | 778 | DEBUG_printf(("4httpGetDateTime: days=%d\n", days)); |
ef416fc2 | 779 | |
780 | return (days * 86400 + hour * 3600 + min * 60 + sec); | |
781 | } | |
782 | ||
783 | ||
784 | /* | |
785 | * 'httpSeparate()' - Separate a Universal Resource Identifier into its | |
786 | * components. | |
ecdc0628 | 787 | * |
788 | * This function is deprecated; use the httpSeparateURI() function instead. | |
789 | * | |
790 | * @deprecated@ | |
ef416fc2 | 791 | */ |
792 | ||
793 | void | |
794 | httpSeparate(const char *uri, /* I - Universal Resource Identifier */ | |
795 | char *scheme, /* O - Scheme [32] (http, https, etc.) */ | |
796 | char *username, /* O - Username [1024] */ | |
797 | char *host, /* O - Hostname [1024] */ | |
798 | int *port, /* O - Port number to use */ | |
799 | char *resource) /* O - Resource/filename [1024] */ | |
800 | { | |
a4d04587 | 801 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, 32, username, |
802 | HTTP_MAX_URI, host, HTTP_MAX_URI, port, resource, | |
803 | HTTP_MAX_URI); | |
ef416fc2 | 804 | } |
805 | ||
806 | ||
807 | /* | |
808 | * 'httpSeparate2()' - Separate a Universal Resource Identifier into its | |
809 | * components. | |
810 | * | |
ecdc0628 | 811 | * This function is deprecated; use the httpSeparateURI() function instead. |
812 | * | |
426c6a59 | 813 | * @since CUPS 1.1.21/Mac OS X 10.4@ |
ecdc0628 | 814 | * @deprecated@ |
ef416fc2 | 815 | */ |
816 | ||
817 | void | |
818 | httpSeparate2(const char *uri, /* I - Universal Resource Identifier */ | |
819 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
820 | int schemelen, /* I - Size of scheme buffer */ | |
821 | char *username, /* O - Username */ | |
822 | int usernamelen, /* I - Size of username buffer */ | |
823 | char *host, /* O - Hostname */ | |
824 | int hostlen, /* I - Size of hostname buffer */ | |
825 | int *port, /* O - Port number to use */ | |
826 | char *resource, /* O - Resource/filename */ | |
827 | int resourcelen) /* I - Size of resource buffer */ | |
828 | { | |
a4d04587 | 829 | httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, schemelen, username, |
830 | usernamelen, host, hostlen, port, resource, resourcelen); | |
ef416fc2 | 831 | } |
832 | ||
833 | ||
834 | /* | |
835 | * 'httpSeparateURI()' - Separate a Universal Resource Identifier into its | |
836 | * components. | |
837 | * | |
426c6a59 | 838 | * @since CUPS 1.2/Mac OS X 10.5@ |
ef416fc2 | 839 | */ |
840 | ||
841 | http_uri_status_t /* O - Result of separation */ | |
a4d04587 | 842 | httpSeparateURI( |
843 | http_uri_coding_t decoding, /* I - Decoding flags */ | |
844 | const char *uri, /* I - Universal Resource Identifier */ | |
845 | char *scheme, /* O - Scheme (http, https, etc.) */ | |
846 | int schemelen, /* I - Size of scheme buffer */ | |
847 | char *username, /* O - Username */ | |
848 | int usernamelen, /* I - Size of username buffer */ | |
849 | char *host, /* O - Hostname */ | |
850 | int hostlen, /* I - Size of hostname buffer */ | |
851 | int *port, /* O - Port number to use */ | |
852 | char *resource, /* O - Resource/filename */ | |
853 | int resourcelen) /* I - Size of resource buffer */ | |
ef416fc2 | 854 | { |
855 | char *ptr, /* Pointer into string... */ | |
856 | *end; /* End of string */ | |
857 | const char *sep; /* Separator character */ | |
858 | http_uri_status_t status; /* Result of separation */ | |
859 | ||
860 | ||
861 | /* | |
862 | * Initialize everything to blank... | |
863 | */ | |
864 | ||
865 | if (scheme && schemelen > 0) | |
866 | *scheme = '\0'; | |
867 | ||
868 | if (username && usernamelen > 0) | |
869 | *username = '\0'; | |
870 | ||
871 | if (host && hostlen > 0) | |
872 | *host = '\0'; | |
873 | ||
874 | if (port) | |
875 | *port = 0; | |
876 | ||
877 | if (resource && resourcelen > 0) | |
878 | *resource = '\0'; | |
879 | ||
880 | /* | |
881 | * Range check input... | |
882 | */ | |
883 | ||
884 | if (!uri || !port || !scheme || schemelen <= 0 || !username || | |
885 | usernamelen <= 0 || !host || hostlen <= 0 || !resource || | |
886 | resourcelen <= 0) | |
887 | return (HTTP_URI_BAD_ARGUMENTS); | |
888 | ||
889 | if (!*uri) | |
890 | return (HTTP_URI_BAD_URI); | |
891 | ||
892 | /* | |
893 | * Grab the scheme portion of the URI... | |
894 | */ | |
895 | ||
896 | status = HTTP_URI_OK; | |
897 | ||
898 | if (!strncmp(uri, "//", 2)) | |
899 | { | |
900 | /* | |
901 | * Workaround for HP IPP client bug... | |
902 | */ | |
903 | ||
904 | strlcpy(scheme, "ipp", schemelen); | |
905 | status = HTTP_URI_MISSING_SCHEME; | |
906 | } | |
907 | else if (*uri == '/') | |
908 | { | |
909 | /* | |
910 | * Filename... | |
911 | */ | |
912 | ||
913 | strlcpy(scheme, "file", schemelen); | |
914 | status = HTTP_URI_MISSING_SCHEME; | |
915 | } | |
916 | else | |
917 | { | |
918 | /* | |
919 | * Standard URI with scheme... | |
920 | */ | |
921 | ||
922 | for (ptr = scheme, end = scheme + schemelen - 1; | |
923 | *uri && *uri != ':' && ptr < end;) | |
7cf5915e MS |
924 | if (strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
925 | "abcdefghijklmnopqrstuvwxyz" | |
926 | "0123456789-+.", *uri) != NULL) | |
ef416fc2 | 927 | *ptr++ = *uri++; |
928 | else | |
929 | break; | |
930 | ||
931 | *ptr = '\0'; | |
932 | ||
933 | if (*uri != ':') | |
934 | { | |
935 | *scheme = '\0'; | |
936 | return (HTTP_URI_BAD_SCHEME); | |
937 | } | |
938 | ||
939 | uri ++; | |
940 | } | |
941 | ||
942 | /* | |
943 | * Set the default port number... | |
944 | */ | |
945 | ||
946 | if (!strcmp(scheme, "http")) | |
947 | *port = 80; | |
948 | else if (!strcmp(scheme, "https")) | |
949 | *port = 443; | |
7cf5915e | 950 | else if (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) |
ef416fc2 | 951 | *port = 631; |
952 | else if (!strcasecmp(scheme, "lpd")) | |
953 | *port = 515; | |
954 | else if (!strcmp(scheme, "socket")) /* Not yet registered with IANA... */ | |
955 | *port = 9100; | |
956 | else if (strcmp(scheme, "file") && strcmp(scheme, "mailto")) | |
957 | status = HTTP_URI_UNKNOWN_SCHEME; | |
958 | ||
959 | /* | |
960 | * Now see if we have a hostname... | |
961 | */ | |
962 | ||
963 | if (!strncmp(uri, "//", 2)) | |
964 | { | |
965 | /* | |
966 | * Yes, extract it... | |
967 | */ | |
968 | ||
969 | uri += 2; | |
970 | ||
971 | /* | |
972 | * Grab the username, if any... | |
973 | */ | |
974 | ||
975 | if ((sep = strpbrk(uri, "@/")) != NULL && *sep == '@') | |
976 | { | |
977 | /* | |
978 | * Get a username:password combo... | |
979 | */ | |
980 | ||
a4d04587 | 981 | uri = http_copy_decode(username, uri, usernamelen, "@", |
982 | decoding & HTTP_URI_CODING_USERNAME); | |
ef416fc2 | 983 | |
984 | if (!uri) | |
985 | { | |
986 | *username = '\0'; | |
987 | return (HTTP_URI_BAD_USERNAME); | |
988 | } | |
989 | ||
990 | uri ++; | |
991 | } | |
992 | ||
993 | /* | |
994 | * Then the hostname/IP address... | |
995 | */ | |
996 | ||
997 | if (*uri == '[') | |
998 | { | |
999 | /* | |
1000 | * Grab IPv6 address... | |
1001 | */ | |
1002 | ||
1003 | uri ++; | |
1004 | if (!strncmp(uri, "v1.", 3)) | |
1005 | uri += 3; /* Skip IPvN leader... */ | |
1006 | ||
a4d04587 | 1007 | uri = http_copy_decode(host, uri, hostlen, "]", |
1008 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1009 | |
1010 | if (!uri) | |
1011 | { | |
1012 | *host = '\0'; | |
1013 | return (HTTP_URI_BAD_HOSTNAME); | |
1014 | } | |
1015 | ||
1016 | /* | |
1017 | * Validate value... | |
1018 | */ | |
1019 | ||
1020 | if (*uri != ']') | |
1021 | { | |
1022 | *host = '\0'; | |
1023 | return (HTTP_URI_BAD_HOSTNAME); | |
1024 | } | |
1025 | ||
1026 | uri ++; | |
1027 | ||
1028 | for (ptr = host; *ptr; ptr ++) | |
1029 | if (*ptr == '+') | |
1030 | { | |
1031 | /* | |
1032 | * Convert zone separator to % and stop here... | |
1033 | */ | |
1034 | ||
1035 | *ptr = '%'; | |
1036 | break; | |
1037 | } | |
1038 | else if (*ptr != ':' && *ptr != '.' && !isxdigit(*ptr & 255)) | |
1039 | { | |
1040 | *host = '\0'; | |
1041 | return (HTTP_URI_BAD_HOSTNAME); | |
1042 | } | |
1043 | } | |
1044 | else | |
1045 | { | |
1046 | /* | |
b423cd4c | 1047 | * Validate the hostname or IPv4 address first... |
1048 | */ | |
1049 | ||
1050 | for (ptr = (char *)uri; *ptr; ptr ++) | |
1051 | if (strchr(":?/", *ptr)) | |
1052 | break; | |
1053 | else if (!strchr("abcdefghijklmnopqrstuvwxyz" | |
1054 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
1055 | "0123456789" | |
1056 | "-._~" | |
1057 | "%" | |
2fb76298 | 1058 | "!$&'()*+,;=\\", *ptr)) |
b423cd4c | 1059 | { |
1060 | *host = '\0'; | |
1061 | return (HTTP_URI_BAD_HOSTNAME); | |
1062 | } | |
1063 | ||
1064 | /* | |
1065 | * Then copy the hostname or IPv4 address to the buffer... | |
ef416fc2 | 1066 | */ |
1067 | ||
a4d04587 | 1068 | uri = http_copy_decode(host, uri, hostlen, ":?/", |
1069 | decoding & HTTP_URI_CODING_HOSTNAME); | |
ef416fc2 | 1070 | |
1071 | if (!uri) | |
1072 | { | |
1073 | *host = '\0'; | |
1074 | return (HTTP_URI_BAD_HOSTNAME); | |
1075 | } | |
ef416fc2 | 1076 | } |
1077 | ||
1078 | /* | |
1079 | * Validate hostname for file scheme - only empty and localhost are | |
1080 | * acceptable. | |
1081 | */ | |
1082 | ||
1083 | if (!strcmp(scheme, "file") && strcmp(host, "localhost") && host[0]) | |
1084 | { | |
1085 | *host = '\0'; | |
1086 | return (HTTP_URI_BAD_HOSTNAME); | |
1087 | } | |
1088 | ||
1089 | /* | |
1090 | * See if we have a port number... | |
1091 | */ | |
1092 | ||
1093 | if (*uri == ':') | |
1094 | { | |
1095 | /* | |
1096 | * Yes, collect the port number... | |
1097 | */ | |
1098 | ||
dfd5680b MS |
1099 | if (!isdigit(uri[1] & 255)) |
1100 | { | |
1101 | *port = 0; | |
1102 | return (HTTP_URI_BAD_PORT); | |
1103 | } | |
1104 | ||
ef416fc2 | 1105 | *port = strtol(uri + 1, (char **)&uri, 10); |
1106 | ||
d6ae789d | 1107 | if (*uri != '/' && *uri) |
ef416fc2 | 1108 | { |
1109 | *port = 0; | |
1110 | return (HTTP_URI_BAD_PORT); | |
1111 | } | |
1112 | } | |
1113 | } | |
1114 | ||
1115 | /* | |
1116 | * The remaining portion is the resource string... | |
1117 | */ | |
1118 | ||
1119 | if (*uri == '?' || !*uri) | |
1120 | { | |
1121 | /* | |
1122 | * Hostname but no path... | |
1123 | */ | |
1124 | ||
1125 | status = HTTP_URI_MISSING_RESOURCE; | |
1126 | *resource = '/'; | |
fa73b229 | 1127 | |
1128 | /* | |
a4d04587 | 1129 | * Copy any query string... |
fa73b229 | 1130 | */ |
1131 | ||
1132 | if (*uri == '?') | |
a4d04587 | 1133 | uri = http_copy_decode(resource + 1, uri, resourcelen - 1, NULL, |
1134 | decoding & HTTP_URI_CODING_QUERY); | |
fa73b229 | 1135 | else |
1136 | resource[1] = '\0'; | |
ef416fc2 | 1137 | } |
1138 | else | |
fa73b229 | 1139 | { |
a4d04587 | 1140 | uri = http_copy_decode(resource, uri, resourcelen, "?", |
1141 | decoding & HTTP_URI_CODING_RESOURCE); | |
fa73b229 | 1142 | |
1143 | if (uri && *uri == '?') | |
1144 | { | |
1145 | /* | |
a4d04587 | 1146 | * Concatenate any query string... |
fa73b229 | 1147 | */ |
1148 | ||
a4d04587 | 1149 | char *resptr = resource + strlen(resource); |
1150 | ||
b86bc4cf | 1151 | uri = http_copy_decode(resptr, uri, resourcelen - (int)(resptr - resource), |
a4d04587 | 1152 | NULL, decoding & HTTP_URI_CODING_QUERY); |
fa73b229 | 1153 | } |
1154 | } | |
ef416fc2 | 1155 | |
1156 | if (!uri) | |
1157 | { | |
1158 | *resource = '\0'; | |
1159 | return (HTTP_URI_BAD_RESOURCE); | |
1160 | } | |
1161 | ||
1162 | /* | |
1163 | * Return the URI separation status... | |
1164 | */ | |
1165 | ||
1166 | return (status); | |
1167 | } | |
1168 | ||
1169 | ||
1170 | /* | |
1171 | * 'httpStatus()' - Return a short string describing a HTTP status code. | |
9f5eb9be MS |
1172 | * |
1173 | * The returned string is localized to the current POSIX locale and is based | |
1174 | * on the status strings defined in RFC 2616. | |
ef416fc2 | 1175 | */ |
1176 | ||
9f5eb9be | 1177 | const char * /* O - Localized status string */ |
ef416fc2 | 1178 | httpStatus(http_status_t status) /* I - HTTP status code */ |
1179 | { | |
9f5eb9be MS |
1180 | const char *s; /* Status string */ |
1181 | _cups_globals_t *cg = _cupsGlobals(); /* Global data */ | |
1182 | ||
1183 | ||
1184 | if (!cg->lang_default) | |
1185 | cg->lang_default = cupsLangDefault(); | |
1186 | ||
ef416fc2 | 1187 | switch (status) |
1188 | { | |
1189 | case HTTP_CONTINUE : | |
9f5eb9be MS |
1190 | s = _("Continue"); |
1191 | break; | |
ef416fc2 | 1192 | case HTTP_SWITCHING_PROTOCOLS : |
9f5eb9be MS |
1193 | s = _("Switching Protocols"); |
1194 | break; | |
ef416fc2 | 1195 | case HTTP_OK : |
9f5eb9be MS |
1196 | s = _("OK"); |
1197 | break; | |
ef416fc2 | 1198 | case HTTP_CREATED : |
9f5eb9be MS |
1199 | s = _("Created"); |
1200 | break; | |
ef416fc2 | 1201 | case HTTP_ACCEPTED : |
9f5eb9be MS |
1202 | s = _("Accepted"); |
1203 | break; | |
ef416fc2 | 1204 | case HTTP_NO_CONTENT : |
9f5eb9be MS |
1205 | s = _("No Content"); |
1206 | break; | |
d6ae789d | 1207 | case HTTP_MOVED_PERMANENTLY : |
9f5eb9be MS |
1208 | s = _("Moved Permanently"); |
1209 | break; | |
d6ae789d | 1210 | case HTTP_SEE_OTHER : |
9f5eb9be MS |
1211 | s = _("See Other"); |
1212 | break; | |
ef416fc2 | 1213 | case HTTP_NOT_MODIFIED : |
9f5eb9be MS |
1214 | s = _("Not Modified"); |
1215 | break; | |
ef416fc2 | 1216 | case HTTP_BAD_REQUEST : |
9f5eb9be MS |
1217 | s = _("Bad Request"); |
1218 | break; | |
ef416fc2 | 1219 | case HTTP_UNAUTHORIZED : |
f11a948a | 1220 | case HTTP_AUTHORIZATION_CANCELED : |
9f5eb9be MS |
1221 | s = _("Unauthorized"); |
1222 | break; | |
ef416fc2 | 1223 | case HTTP_FORBIDDEN : |
9f5eb9be MS |
1224 | s = _("Forbidden"); |
1225 | break; | |
ef416fc2 | 1226 | case HTTP_NOT_FOUND : |
9f5eb9be MS |
1227 | s = _("Not Found"); |
1228 | break; | |
ef416fc2 | 1229 | case HTTP_REQUEST_TOO_LARGE : |
9f5eb9be MS |
1230 | s = _("Request Entity Too Large"); |
1231 | break; | |
ef416fc2 | 1232 | case HTTP_URI_TOO_LONG : |
9f5eb9be MS |
1233 | s = _("URI Too Long"); |
1234 | break; | |
ef416fc2 | 1235 | case HTTP_UPGRADE_REQUIRED : |
9f5eb9be MS |
1236 | s = _("Upgrade Required"); |
1237 | break; | |
ef416fc2 | 1238 | case HTTP_NOT_IMPLEMENTED : |
9f5eb9be MS |
1239 | s = _("Not Implemented"); |
1240 | break; | |
ef416fc2 | 1241 | case HTTP_NOT_SUPPORTED : |
9f5eb9be MS |
1242 | s = _("Not Supported"); |
1243 | break; | |
b423cd4c | 1244 | case HTTP_EXPECTATION_FAILED : |
9f5eb9be MS |
1245 | s = _("Expectation Failed"); |
1246 | break; | |
1247 | case HTTP_SERVICE_UNAVAILABLE : | |
1248 | s = _("Service Unavailable"); | |
1249 | break; | |
94da7e34 MS |
1250 | case HTTP_SERVER_ERROR : |
1251 | s = _("Internal Server Error"); | |
1252 | break; | |
7cf5915e MS |
1253 | case HTTP_PKI_ERROR : |
1254 | s = _("SSL/TLS Negotiation Error"); | |
1255 | break; | |
229681c1 MS |
1256 | case HTTP_WEBIF_DISABLED : |
1257 | s = _("Web Interface is Disabled"); | |
1258 | break; | |
b423cd4c | 1259 | |
ef416fc2 | 1260 | default : |
9f5eb9be MS |
1261 | s = _("Unknown"); |
1262 | break; | |
ef416fc2 | 1263 | } |
9f5eb9be MS |
1264 | |
1265 | return (_cupsLangString(cg->lang_default, s)); | |
ef416fc2 | 1266 | } |
1267 | ||
1268 | ||
1269 | #ifndef HAVE_HSTRERROR | |
1270 | /* | |
1271 | * '_cups_hstrerror()' - hstrerror() emulation function for Solaris and others... | |
1272 | */ | |
1273 | ||
1274 | const char * /* O - Error string */ | |
1275 | _cups_hstrerror(int error) /* I - Error number */ | |
1276 | { | |
1277 | static const char * const errors[] = /* Error strings */ | |
1278 | { | |
1279 | "OK", | |
1280 | "Host not found.", | |
1281 | "Try again.", | |
1282 | "Unrecoverable lookup error.", | |
1283 | "No data associated with name." | |
1284 | }; | |
1285 | ||
1286 | ||
1287 | if (error < 0 || error > 4) | |
1288 | return ("Unknown hostname lookup error."); | |
1289 | else | |
1290 | return (errors[error]); | |
1291 | } | |
1292 | #endif /* !HAVE_HSTRERROR */ | |
1293 | ||
1294 | ||
1106b00e MS |
1295 | /* |
1296 | * '_httpDecodeURI()' - Percent-decode a HTTP request URI. | |
1297 | */ | |
1298 | ||
1299 | char * /* O - Decoded URI or NULL on error */ | |
1300 | _httpDecodeURI(char *dst, /* I - Destination buffer */ | |
1301 | const char *src, /* I - Source URI */ | |
1302 | size_t dstsize) /* I - Size of destination buffer */ | |
1303 | { | |
1304 | if (http_copy_decode(dst, src, (int)dstsize, NULL, 1)) | |
1305 | return (dst); | |
1306 | else | |
1307 | return (NULL); | |
1308 | } | |
1309 | ||
1310 | ||
839a51c8 MS |
1311 | /* |
1312 | * '_httpEncodeURI()' - Percent-encode a HTTP request URI. | |
1313 | */ | |
1314 | ||
1315 | char * /* O - Encoded URI */ | |
1316 | _httpEncodeURI(char *dst, /* I - Destination buffer */ | |
1317 | const char *src, /* I - Source URI */ | |
1318 | size_t dstsize) /* I - Size of destination buffer */ | |
1319 | { | |
1320 | http_copy_encode(dst, src, dst + dstsize - 1, NULL, NULL, 1); | |
1321 | return (dst); | |
1322 | } | |
1323 | ||
1324 | ||
5eb9da71 MS |
1325 | /* |
1326 | * '_httpResolveURI()' - Resolve a DNS-SD URI. | |
1327 | */ | |
1328 | ||
1329 | const char * /* O - Resolved URI */ | |
1330 | _httpResolveURI( | |
1331 | const char *uri, /* I - DNS-SD URI */ | |
1332 | char *resolved_uri, /* I - Buffer for resolved URI */ | |
1f0275e3 | 1333 | size_t resolved_size, /* I - Size of URI buffer */ |
dfd5680b | 1334 | int logit) /* I - Log progress to stderr? */ |
5eb9da71 MS |
1335 | { |
1336 | char scheme[32], /* URI components... */ | |
1337 | userpass[256], | |
1338 | hostname[1024], | |
1339 | resource[1024]; | |
1340 | int port; | |
b19ccc9e | 1341 | #ifdef DEBUG |
1f0275e3 | 1342 | http_uri_status_t status; /* URI decode status */ |
b19ccc9e | 1343 | #endif /* DEBUG */ |
5eb9da71 MS |
1344 | |
1345 | ||
e07d4801 MS |
1346 | DEBUG_printf(("4_httpResolveURI(uri=\"%s\", resolved_uri=%p, " |
1347 | "resolved_size=" CUPS_LLFMT ")", uri, resolved_uri, | |
1f0275e3 MS |
1348 | CUPS_LLCAST resolved_size)); |
1349 | ||
5eb9da71 MS |
1350 | /* |
1351 | * Get the device URI... | |
1352 | */ | |
1353 | ||
b19ccc9e | 1354 | #ifdef DEBUG |
1f0275e3 MS |
1355 | if ((status = httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, |
1356 | sizeof(scheme), userpass, sizeof(userpass), | |
1357 | hostname, sizeof(hostname), &port, resource, | |
1358 | sizeof(resource))) < HTTP_URI_OK) | |
b19ccc9e MS |
1359 | #else |
1360 | if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, | |
1361 | sizeof(scheme), userpass, sizeof(userpass), | |
1362 | hostname, sizeof(hostname), &port, resource, | |
1363 | sizeof(resource)) < HTTP_URI_OK) | |
1364 | #endif /* DEBUG */ | |
1f0275e3 | 1365 | { |
dfd5680b | 1366 | if (logit) |
0837b7e8 | 1367 | _cupsLangPrintFilter(stderr, "ERROR", _("Bad device URI \"%s\"."), uri); |
1f0275e3 | 1368 | |
e07d4801 MS |
1369 | DEBUG_printf(("6_httpResolveURI: httpSeparateURI returned %d!", status)); |
1370 | DEBUG_puts("5_httpResolveURI: Returning NULL"); | |
5eb9da71 | 1371 | return (NULL); |
1f0275e3 | 1372 | } |
5eb9da71 MS |
1373 | |
1374 | /* | |
1375 | * Resolve it as needed... | |
1376 | */ | |
1377 | ||
1378 | if (strstr(hostname, "._tcp")) | |
1379 | { | |
1380 | #ifdef HAVE_DNSSD | |
c7017ecc MS |
1381 | # ifdef WIN32 |
1382 | # pragma comment(lib, "dnssd.lib") | |
1383 | # endif /* WIN32 */ | |
38e73f87 MS |
1384 | DNSServiceRef ref, /* DNS-SD master service reference */ |
1385 | domainref, /* DNS-SD service reference for domain */ | |
1386 | localref; /* DNS-SD service reference for .local */ | |
6c48a6ca MS |
1387 | int domainsent = 0, /* Send the domain resolve? */ |
1388 | offline = 0; /* offline-report state set? */ | |
5eb9da71 MS |
1389 | char *regtype, /* Pointer to type in hostname */ |
1390 | *domain; /* Pointer to domain in hostname */ | |
1391 | _http_uribuf_t uribuf; /* URI buffer */ | |
6d2f911b | 1392 | #ifdef HAVE_POLL |
38e73f87 | 1393 | struct pollfd polldata; /* Polling data */ |
6d2f911b MS |
1394 | #else /* select() */ |
1395 | fd_set input_set; /* Input set for select() */ | |
1396 | struct timeval stimeout; /* Timeout value for select() */ | |
1397 | #endif /* HAVE_POLL */ | |
38e73f87 MS |
1398 | |
1399 | if (logit) | |
1400 | fprintf(stderr, "DEBUG: Resolving \"%s\"...\n", hostname); | |
5eb9da71 MS |
1401 | |
1402 | /* | |
1403 | * Separate the hostname into service name, registration type, and domain... | |
1404 | */ | |
1405 | ||
1f0275e3 MS |
1406 | for (regtype = strstr(hostname, "._tcp") - 2; |
1407 | regtype > hostname; | |
1408 | regtype --) | |
1409 | if (regtype[0] == '.' && regtype[1] == '_') | |
1410 | { | |
1411 | /* | |
1412 | * Found ._servicetype in front of ._tcp... | |
1413 | */ | |
1414 | ||
1415 | *regtype++ = '\0'; | |
1416 | break; | |
1417 | } | |
1418 | ||
1419 | if (regtype <= hostname) | |
1420 | { | |
e07d4801 | 1421 | DEBUG_puts("5_httpResolveURI: Bad hostname, returning NULL"); |
1f0275e3 MS |
1422 | return (NULL); |
1423 | } | |
5eb9da71 | 1424 | |
5eb9da71 MS |
1425 | for (domain = strchr(regtype, '.'); |
1426 | domain; | |
1427 | domain = strchr(domain + 1, '.')) | |
1428 | if (domain[1] != '_') | |
1429 | break; | |
1430 | ||
1431 | if (domain) | |
1432 | *domain++ = '\0'; | |
1433 | ||
1434 | uribuf.buffer = resolved_uri; | |
1435 | uribuf.bufsize = resolved_size; | |
1436 | ||
1437 | resolved_uri[0] = '\0'; | |
1438 | ||
e07d4801 | 1439 | DEBUG_printf(("6_httpResolveURI: Resolving hostname=\"%s\", regtype=\"%s\", " |
1f0275e3 | 1440 | "domain=\"%s\"\n", hostname, regtype, domain)); |
dfd5680b | 1441 | if (logit) |
1f0275e3 MS |
1442 | { |
1443 | fputs("STATE: +connecting-to-device\n", stderr); | |
38e73f87 MS |
1444 | fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"%s\", " |
1445 | "domain=\"local.\"...\n", hostname, regtype); | |
1f0275e3 MS |
1446 | } |
1447 | ||
38e73f87 MS |
1448 | uri = NULL; |
1449 | ||
1450 | if (DNSServiceCreateConnection(&ref) == kDNSServiceErr_NoError) | |
5eb9da71 | 1451 | { |
38e73f87 MS |
1452 | localref = ref; |
1453 | if (DNSServiceResolve(&localref, kDNSServiceFlagsShareConnection, 0, | |
1454 | hostname, regtype, "local.", resolve_callback, | |
1455 | &uribuf) == kDNSServiceErr_NoError) | |
1456 | { | |
acb056cb MS |
1457 | int fds; /* Number of ready descriptors */ |
1458 | time_t timeout, /* Poll timeout */ | |
1459 | start_time = time(NULL);/* Start time */ | |
1460 | ||
1461 | for (;;) | |
38e73f87 | 1462 | { |
acb056cb | 1463 | if (logit) |
0837b7e8 | 1464 | _cupsLangPrintFilter(stderr, "INFO", _("Looking for printer.")); |
acb056cb | 1465 | |
38e73f87 | 1466 | /* |
acb056cb MS |
1467 | * For the first minute, wakeup every 2 seconds to emit a |
1468 | * "looking for printer" message... | |
38e73f87 MS |
1469 | */ |
1470 | ||
acb056cb MS |
1471 | timeout = (time(NULL) < (start_time + 60)) ? 2000 : -1; |
1472 | ||
6d2f911b | 1473 | #ifdef HAVE_POLL |
38e73f87 MS |
1474 | polldata.fd = DNSServiceRefSockFD(ref); |
1475 | polldata.events = POLLIN; | |
1476 | ||
acb056cb MS |
1477 | fds = poll(&polldata, 1, timeout); |
1478 | ||
6d2f911b MS |
1479 | #else /* select() */ |
1480 | FD_ZERO(&input_set); | |
1481 | FD_SET(DNSServiceRefSockFD(ref), &input_set); | |
1482 | ||
1483 | stimeout.tv_sec = ((int)timeout) / 1000; | |
1484 | stimeout.tv_usec = ((int)(timeout) * 1000) % 1000000; | |
1485 | ||
1486 | fds = select(DNSServiceRefSockFD(ref)+1, &input_set, NULL, NULL, | |
1487 | timeout < 0.0 ? NULL : &stimeout); | |
1488 | #endif /* HAVE_POLL */ | |
1489 | ||
acb056cb MS |
1490 | if (fds < 0) |
1491 | { | |
1492 | if (errno != EINTR && errno != EAGAIN) | |
1493 | { | |
1494 | DEBUG_printf(("5_httpResolveURI: poll error: %s", strerror(errno))); | |
1495 | break; | |
1496 | } | |
1497 | } | |
1498 | else if (fds == 0) | |
38e73f87 MS |
1499 | { |
1500 | /* | |
acb056cb MS |
1501 | * Wait 2 seconds for a response to the local resolve; if nothing |
1502 | * comes in, do an additional domain resolution... | |
38e73f87 MS |
1503 | */ |
1504 | ||
acb056cb MS |
1505 | if (domainsent == 0 && strcasecmp(domain, "local.")) |
1506 | { | |
1507 | if (logit) | |
1508 | fprintf(stderr, | |
1509 | "DEBUG: Resolving \"%s\", regtype=\"%s\", " | |
1510 | "domain=\"%s\"...\n", hostname, regtype, domain); | |
1511 | ||
1512 | domainref = ref; | |
1513 | if (DNSServiceResolve(&domainref, kDNSServiceFlagsShareConnection, 0, | |
1514 | hostname, regtype, domain, resolve_callback, | |
1515 | &uribuf) == kDNSServiceErr_NoError) | |
1516 | domainsent = 1; | |
1517 | } | |
6c48a6ca MS |
1518 | |
1519 | /* | |
1520 | * If it hasn't resolved within 5 seconds set the offline-report | |
1521 | * printer-state-reason... | |
1522 | */ | |
1523 | ||
1524 | if (logit && offline == 0 && time(NULL) > (start_time + 5)) | |
1525 | { | |
1526 | fputs("STATE: +offline-report\n", stderr); | |
1527 | offline = 1; | |
1528 | } | |
38e73f87 | 1529 | } |
acb056cb MS |
1530 | else |
1531 | { | |
1532 | if (DNSServiceProcessResult(ref) == kDNSServiceErr_NoError) | |
1533 | { | |
1534 | uri = resolved_uri; | |
1535 | break; | |
1536 | } | |
1537 | } | |
1538 | } | |
38e73f87 MS |
1539 | |
1540 | if (domainsent) | |
1541 | DNSServiceRefDeallocate(domainref); | |
1542 | ||
1543 | DNSServiceRefDeallocate(localref); | |
1544 | } | |
5eb9da71 MS |
1545 | |
1546 | DNSServiceRefDeallocate(ref); | |
1547 | } | |
1f0275e3 | 1548 | |
dfd5680b | 1549 | if (logit) |
38e73f87 MS |
1550 | { |
1551 | if (uri) | |
38e73f87 | 1552 | fprintf(stderr, "DEBUG: Resolved as \"%s\"...\n", uri); |
f11a948a | 1553 | else |
4d301e69 | 1554 | fputs("DEBUG: Unable to resolve URI\n", stderr); |
38e73f87 | 1555 | |
6c48a6ca | 1556 | fputs("STATE: -connecting-to-device,offline-report\n", stderr); |
38e73f87 | 1557 | } |
1f0275e3 MS |
1558 | |
1559 | #else | |
1560 | /* | |
1561 | * No DNS-SD support... | |
1562 | */ | |
5eb9da71 MS |
1563 | |
1564 | uri = NULL; | |
1f0275e3 MS |
1565 | #endif /* HAVE_DNSSD */ |
1566 | ||
dfd5680b | 1567 | if (logit && !uri) |
0837b7e8 | 1568 | _cupsLangPrintFilter(stderr, "ERROR", _("Unable to find printer.")); |
5eb9da71 MS |
1569 | } |
1570 | ||
e07d4801 | 1571 | DEBUG_printf(("5_httpResolveURI: Returning \"%s\"", uri)); |
1f0275e3 | 1572 | |
5eb9da71 MS |
1573 | return (uri); |
1574 | } | |
1575 | ||
1576 | ||
ef416fc2 | 1577 | /* |
1578 | * 'http_copy_decode()' - Copy and decode a URI. | |
1579 | */ | |
1580 | ||
1581 | static const char * /* O - New source pointer or NULL on error */ | |
1582 | http_copy_decode(char *dst, /* O - Destination buffer */ | |
1583 | const char *src, /* I - Source pointer */ | |
1584 | int dstsize, /* I - Destination size */ | |
a4d04587 | 1585 | const char *term, /* I - Terminating characters */ |
1586 | int decode) /* I - Decode %-encoded values */ | |
ef416fc2 | 1587 | { |
1588 | char *ptr, /* Pointer into buffer */ | |
1589 | *end; /* End of buffer */ | |
1590 | int quoted; /* Quoted character */ | |
1591 | ||
1592 | ||
1593 | /* | |
1594 | * Copy the src to the destination until we hit a terminating character | |
1595 | * or the end of the string. | |
1596 | */ | |
1597 | ||
e00b005a | 1598 | for (ptr = dst, end = dst + dstsize - 1; |
1599 | *src && (!term || !strchr(term, *src)); | |
1600 | src ++) | |
ef416fc2 | 1601 | if (ptr < end) |
1602 | { | |
a4d04587 | 1603 | if (*src == '%' && decode) |
ef416fc2 | 1604 | { |
1605 | if (isxdigit(src[1] & 255) && isxdigit(src[2] & 255)) | |
1606 | { | |
1607 | /* | |
1608 | * Grab a hex-encoded character... | |
1609 | */ | |
1610 | ||
1611 | src ++; | |
1612 | if (isalpha(*src)) | |
1613 | quoted = (tolower(*src) - 'a' + 10) << 4; | |
1614 | else | |
1615 | quoted = (*src - '0') << 4; | |
1616 | ||
1617 | src ++; | |
1618 | if (isalpha(*src)) | |
1619 | quoted |= tolower(*src) - 'a' + 10; | |
1620 | else | |
1621 | quoted |= *src - '0'; | |
1622 | ||
1623 | *ptr++ = quoted; | |
1624 | } | |
1625 | else | |
1626 | { | |
1627 | /* | |
1628 | * Bad hex-encoded character... | |
1629 | */ | |
1630 | ||
1631 | *ptr = '\0'; | |
1632 | return (NULL); | |
1633 | } | |
1634 | } | |
1635 | else | |
1636 | *ptr++ = *src; | |
1637 | } | |
1638 | ||
1639 | *ptr = '\0'; | |
1640 | ||
1641 | return (src); | |
1642 | } | |
1643 | ||
1644 | ||
1645 | /* | |
1646 | * 'http_copy_encode()' - Copy and encode a URI. | |
1647 | */ | |
1648 | ||
1649 | static char * /* O - End of current URI */ | |
1650 | http_copy_encode(char *dst, /* O - Destination buffer */ | |
1651 | const char *src, /* I - Source pointer */ | |
1652 | char *dstend, /* I - End of destination buffer */ | |
a4d04587 | 1653 | const char *reserved, /* I - Extra reserved characters */ |
1654 | const char *term, /* I - Terminating characters */ | |
1655 | int encode) /* I - %-encode reserved chars? */ | |
ef416fc2 | 1656 | { |
ac884b6a | 1657 | static const char hex[] = "0123456789ABCDEF"; |
ef416fc2 | 1658 | |
1659 | ||
1660 | while (*src && dst < dstend) | |
1661 | { | |
a4d04587 | 1662 | if (term && *src == *term) |
1663 | return (dst); | |
1664 | ||
1665 | if (encode && (*src == '%' || *src <= ' ' || *src & 128 || | |
1666 | (reserved && strchr(reserved, *src)))) | |
ef416fc2 | 1667 | { |
1668 | /* | |
1669 | * Hex encode reserved characters... | |
1670 | */ | |
1671 | ||
1672 | if ((dst + 2) >= dstend) | |
1673 | break; | |
1674 | ||
1675 | *dst++ = '%'; | |
1676 | *dst++ = hex[(*src >> 4) & 15]; | |
1677 | *dst++ = hex[*src & 15]; | |
1678 | ||
1679 | src ++; | |
1680 | } | |
1681 | else | |
1682 | *dst++ = *src++; | |
1683 | } | |
1684 | ||
839a51c8 MS |
1685 | *dst = '\0'; |
1686 | ||
ef416fc2 | 1687 | if (*src) |
1688 | return (NULL); | |
1689 | else | |
1690 | return (dst); | |
1691 | } | |
1692 | ||
1693 | ||
5eb9da71 MS |
1694 | #ifdef HAVE_DNSSD |
1695 | /* | |
1696 | * 'resolve_callback()' - Build a device URI for the given service name. | |
1697 | */ | |
1698 | ||
6d2f911b | 1699 | static void DNSSD_API |
5eb9da71 MS |
1700 | resolve_callback( |
1701 | DNSServiceRef sdRef, /* I - Service reference */ | |
1702 | DNSServiceFlags flags, /* I - Results flags */ | |
1703 | uint32_t interfaceIndex, /* I - Interface number */ | |
1704 | DNSServiceErrorType errorCode, /* I - Error, if any */ | |
1705 | const char *fullName, /* I - Full service name */ | |
1706 | const char *hostTarget, /* I - Hostname */ | |
1707 | uint16_t port, /* I - Port number */ | |
1708 | uint16_t txtLen, /* I - Length of TXT record */ | |
1709 | const unsigned char *txtRecord, /* I - TXT record data */ | |
1710 | void *context) /* I - Pointer to URI buffer */ | |
1711 | { | |
1712 | const char *scheme; /* URI scheme */ | |
1713 | char rp[257]; /* Remote printer */ | |
1714 | const void *value; /* Value from TXT record */ | |
1715 | uint8_t valueLen; /* Length of value */ | |
1716 | _http_uribuf_t *uribuf; /* URI buffer */ | |
1717 | ||
1718 | ||
e07d4801 | 1719 | DEBUG_printf(("7resolve_callback(sdRef=%p, flags=%x, interfaceIndex=%u, " |
5eb9da71 | 1720 | "errorCode=%d, fullName=\"%s\", hostTarget=\"%s\", port=%u, " |
e07d4801 | 1721 | "txtLen=%u, txtRecord=%p, context=%p)", sdRef, flags, |
5eb9da71 MS |
1722 | interfaceIndex, errorCode, fullName, hostTarget, port, txtLen, |
1723 | txtRecord, context)); | |
1724 | ||
1725 | /* | |
1726 | * Figure out the scheme from the full name... | |
1727 | */ | |
1728 | ||
f11a948a | 1729 | if (strstr(fullName, "._ipp") || strstr(fullName, "._fax-ipp")) |
5eb9da71 MS |
1730 | scheme = "ipp"; |
1731 | else if (strstr(fullName, "._printer.")) | |
1732 | scheme = "lpd"; | |
1733 | else if (strstr(fullName, "._pdl-datastream.")) | |
1734 | scheme = "socket"; | |
1735 | else | |
1736 | scheme = "riousbprint"; | |
1737 | ||
1738 | /* | |
1739 | * Extract the "remote printer" key from the TXT record... | |
1740 | */ | |
1741 | ||
1742 | if ((value = TXTRecordGetValuePtr(txtLen, txtRecord, "rp", | |
1743 | &valueLen)) != NULL) | |
1744 | { | |
1745 | /* | |
1746 | * Convert to resource by concatenating with a leading "/"... | |
1747 | */ | |
1748 | ||
1749 | rp[0] = '/'; | |
1750 | memcpy(rp + 1, value, valueLen); | |
1751 | rp[valueLen + 1] = '\0'; | |
1752 | } | |
1753 | else | |
1754 | rp[0] = '\0'; | |
1755 | ||
1756 | /* | |
1757 | * Assemble the final device URI... | |
1758 | */ | |
1759 | ||
1760 | uribuf = (_http_uribuf_t *)context; | |
1761 | ||
1762 | httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, uribuf->bufsize, scheme, | |
1763 | NULL, hostTarget, ntohs(port), rp); | |
1764 | ||
e07d4801 | 1765 | DEBUG_printf(("8resolve_callback: Resolved URI is \"%s\"...", |
5eb9da71 MS |
1766 | uribuf->buffer)); |
1767 | } | |
1768 | #endif /* HAVE_DNSSD */ | |
1769 | ||
1770 | ||
ef416fc2 | 1771 | /* |
b19ccc9e | 1772 | * End of "$Id: http-support.c 7952 2008-09-17 00:56:20Z mike $". |
ef416fc2 | 1773 | */ |