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ef416fc2 | 1 | /* |
996acce8 | 2 | * Hyper-Text Transport Protocol definitions for CUPS. |
ef416fc2 | 3 | * |
718ee2ff | 4 | * Copyright 2007-2017 by Apple Inc. |
996acce8 | 5 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 6 | * |
e3101897 | 7 | * Licensed under Apache License v2.0. See the file "LICENSE" for more information. |
ef416fc2 | 8 | */ |
9 | ||
10 | #ifndef _CUPS_HTTP_H_ | |
11 | # define _CUPS_HTTP_H_ | |
12 | ||
13 | /* | |
14 | * Include necessary headers... | |
15 | */ | |
16 | ||
2fb76298 | 17 | # include "versioning.h" |
7cf5915e | 18 | # include "array.h" |
ef416fc2 | 19 | # include <string.h> |
20 | # include <time.h> | |
21 | # include <sys/types.h> | |
22 | # ifdef WIN32 | |
b86bc4cf | 23 | # ifndef __CUPS_SSIZE_T_DEFINED |
24 | # define __CUPS_SSIZE_T_DEFINED | |
25 | /* Windows does not support the ssize_t type, so map it to off_t... */ | |
26 | typedef off_t ssize_t; /* @private@ */ | |
27 | # endif /* !__CUPS_SSIZE_T_DEFINED */ | |
ef416fc2 | 28 | # include <winsock2.h> |
29 | # include <ws2tcpip.h> | |
30 | # else | |
31 | # include <unistd.h> | |
32 | # include <sys/time.h> | |
33 | # include <sys/socket.h> | |
34 | # include <netdb.h> | |
35 | # include <netinet/in.h> | |
36 | # include <arpa/inet.h> | |
37 | # include <netinet/in_systm.h> | |
38 | # include <netinet/ip.h> | |
39 | # if !defined(__APPLE__) || !defined(TCP_NODELAY) | |
40 | # include <netinet/tcp.h> | |
41 | # endif /* !__APPLE__ || !TCP_NODELAY */ | |
d09495fa | 42 | # if defined(AF_UNIX) && !defined(AF_LOCAL) |
43 | # define AF_LOCAL AF_UNIX /* Older UNIX's have old names... */ | |
44 | # endif /* AF_UNIX && !AF_LOCAL */ | |
ef416fc2 | 45 | # ifdef AF_LOCAL |
46 | # include <sys/un.h> | |
47 | # endif /* AF_LOCAL */ | |
bc44d920 | 48 | # if defined(LOCAL_PEERCRED) && !defined(SO_PEERCRED) |
49 | # define SO_PEERCRED LOCAL_PEERCRED | |
50 | # endif /* LOCAL_PEERCRED && !SO_PEERCRED */ | |
ef416fc2 | 51 | # endif /* WIN32 */ |
52 | ||
ef416fc2 | 53 | |
54 | /* | |
55 | * C++ magic... | |
56 | */ | |
57 | ||
58 | # ifdef __cplusplus | |
59 | extern "C" { | |
60 | # endif /* __cplusplus */ | |
61 | ||
62 | ||
63 | /* | |
64 | * Oh, the wonderful world of IPv6 compatibility. Apparently some | |
65 | * implementations expose the (more logical) 32-bit address parts | |
66 | * to everyone, while others only expose it to kernel code... To | |
67 | * make supporting IPv6 even easier, each vendor chose different | |
68 | * core structure and union names, so the same defines or code | |
69 | * can't be used on all platforms. | |
70 | * | |
71 | * The following will likely need tweaking on new platforms that | |
72 | * support IPv6 - the "s6_addr32" define maps to the 32-bit integer | |
73 | * array in the in6_addr union, which is named differently on various | |
74 | * platforms. | |
75 | */ | |
76 | ||
77 | #if defined(AF_INET6) && !defined(s6_addr32) | |
78 | # if defined(__sun) | |
79 | # define s6_addr32 _S6_un._S6_u32 | |
0268488e | 80 | # elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)|| defined(__DragonFly__) |
ef416fc2 | 81 | # define s6_addr32 __u6_addr.__u6_addr32 |
82 | # elif defined(WIN32) | |
83 | /* | |
84 | * Windows only defines byte and 16-bit word members of the union and | |
85 | * requires special casing of all raw address code... | |
86 | */ | |
87 | # define s6_addr32 error_need_win32_specific_code | |
88 | # endif /* __sun */ | |
89 | #endif /* AF_INET6 && !s6_addr32 */ | |
90 | ||
91 | ||
92 | /* | |
93 | * Limits... | |
94 | */ | |
95 | ||
96 | # define HTTP_MAX_URI 1024 /* Max length of URI string */ | |
97 | # define HTTP_MAX_HOST 256 /* Max length of hostname string */ | |
fa73b229 | 98 | # define HTTP_MAX_BUFFER 2048 /* Max length of data buffer */ |
ef416fc2 | 99 | # define HTTP_MAX_VALUE 256 /* Max header field value length */ |
100 | ||
101 | ||
102 | /* | |
103 | * Types and structures... | |
104 | */ | |
105 | ||
718ee2ff | 106 | typedef enum http_auth_e /**** HTTP authentication types @exclude all@ ****/ |
ef416fc2 | 107 | { |
108 | HTTP_AUTH_NONE, /* No authentication in use */ | |
109 | HTTP_AUTH_BASIC, /* Basic authentication in use */ | |
110 | HTTP_AUTH_MD5, /* Digest authentication in use */ | |
111 | HTTP_AUTH_MD5_SESS, /* MD5-session authentication in use */ | |
112 | HTTP_AUTH_MD5_INT, /* Digest authentication in use for body */ | |
f7deaa1a | 113 | HTTP_AUTH_MD5_SESS_INT, /* MD5-session authentication in use for body */ |
8072030b | 114 | HTTP_AUTH_NEGOTIATE /* GSSAPI authentication in use @since CUPS 1.3/macOS 10.5@ */ |
ef416fc2 | 115 | } http_auth_t; |
116 | ||
117 | typedef enum http_encoding_e /**** HTTP transfer encoding values ****/ | |
118 | { | |
a469f8a5 MS |
119 | HTTP_ENCODING_LENGTH, /* Data is sent with Content-Length */ |
120 | HTTP_ENCODING_CHUNKED, /* Data is chunked */ | |
121 | HTTP_ENCODING_FIELDS /* Sending HTTP fields */ | |
122 | ||
123 | # ifndef _CUPS_NO_DEPRECATED | |
124 | # define HTTP_ENCODE_LENGTH HTTP_ENCODING_LENGTH | |
125 | # define HTTP_ENCODE_CHUNKED HTTP_ENCODING_CHUNKED | |
126 | # define HTTP_ENCODE_FIELDS HTTP_ENCODING_FIELDS | |
127 | # endif /* !_CUPS_NO_DEPRECATED */ | |
ef416fc2 | 128 | } http_encoding_t; |
129 | ||
130 | typedef enum http_encryption_e /**** HTTP encryption values ****/ | |
131 | { | |
a469f8a5 MS |
132 | HTTP_ENCRYPTION_IF_REQUESTED, /* Encrypt if requested (TLS upgrade) */ |
133 | HTTP_ENCRYPTION_NEVER, /* Never encrypt */ | |
134 | HTTP_ENCRYPTION_REQUIRED, /* Encryption is required (TLS upgrade) */ | |
135 | HTTP_ENCRYPTION_ALWAYS /* Always encrypt (SSL) */ | |
136 | ||
137 | # ifndef _CUPS_NO_DEPRECATED | |
138 | # define HTTP_ENCRYPT_IF_REQUESTED HTTP_ENCRYPTION_IF_REQUESTED | |
139 | # define HTTP_ENCRYPT_NEVER HTTP_ENCRYPTION_NEVER | |
140 | # define HTTP_ENCRYPT_REQUIRED HTTP_ENCRYPTION_REQUIRED | |
141 | # define HTTP_ENCRYPT_ALWAYS HTTP_ENCRYPTION_ALWAYS | |
142 | # endif /* !_CUPS_NO_DEPRECATED */ | |
ef416fc2 | 143 | } http_encryption_t; |
144 | ||
145 | typedef enum http_field_e /**** HTTP field names ****/ | |
146 | { | |
147 | HTTP_FIELD_UNKNOWN = -1, /* Unknown field */ | |
148 | HTTP_FIELD_ACCEPT_LANGUAGE, /* Accept-Language field */ | |
149 | HTTP_FIELD_ACCEPT_RANGES, /* Accept-Ranges field */ | |
150 | HTTP_FIELD_AUTHORIZATION, /* Authorization field */ | |
151 | HTTP_FIELD_CONNECTION, /* Connection field */ | |
152 | HTTP_FIELD_CONTENT_ENCODING, /* Content-Encoding field */ | |
153 | HTTP_FIELD_CONTENT_LANGUAGE, /* Content-Language field */ | |
154 | HTTP_FIELD_CONTENT_LENGTH, /* Content-Length field */ | |
155 | HTTP_FIELD_CONTENT_LOCATION, /* Content-Location field */ | |
156 | HTTP_FIELD_CONTENT_MD5, /* Content-MD5 field */ | |
157 | HTTP_FIELD_CONTENT_RANGE, /* Content-Range field */ | |
158 | HTTP_FIELD_CONTENT_TYPE, /* Content-Type field */ | |
159 | HTTP_FIELD_CONTENT_VERSION, /* Content-Version field */ | |
160 | HTTP_FIELD_DATE, /* Date field */ | |
161 | HTTP_FIELD_HOST, /* Host field */ | |
162 | HTTP_FIELD_IF_MODIFIED_SINCE, /* If-Modified-Since field */ | |
163 | HTTP_FIELD_IF_UNMODIFIED_SINCE, /* If-Unmodified-Since field */ | |
164 | HTTP_FIELD_KEEP_ALIVE, /* Keep-Alive field */ | |
165 | HTTP_FIELD_LAST_MODIFIED, /* Last-Modified field */ | |
166 | HTTP_FIELD_LINK, /* Link field */ | |
167 | HTTP_FIELD_LOCATION, /* Location field */ | |
168 | HTTP_FIELD_RANGE, /* Range field */ | |
169 | HTTP_FIELD_REFERER, /* Referer field */ | |
170 | HTTP_FIELD_RETRY_AFTER, /* Retry-After field */ | |
171 | HTTP_FIELD_TRANSFER_ENCODING, /* Transfer-Encoding field */ | |
172 | HTTP_FIELD_UPGRADE, /* Upgrade field */ | |
173 | HTTP_FIELD_USER_AGENT, /* User-Agent field */ | |
174 | HTTP_FIELD_WWW_AUTHENTICATE, /* WWW-Authenticate field */ | |
8072030b MS |
175 | HTTP_FIELD_ACCEPT_ENCODING, /* Accepting-Encoding field @since CUPS 1.7/macOS 10.9@ */ |
176 | HTTP_FIELD_ALLOW, /* Allow field @since CUPS 1.7/macOS 10.9@ */ | |
177 | HTTP_FIELD_SERVER, /* Server field @since CUPS 1.7/macOS 10.9@ */ | |
ef416fc2 | 178 | HTTP_FIELD_MAX /* Maximum field index */ |
179 | } http_field_t; | |
180 | ||
181 | typedef enum http_keepalive_e /**** HTTP keep-alive values ****/ | |
182 | { | |
183 | HTTP_KEEPALIVE_OFF = 0, /* No keep alive support */ | |
184 | HTTP_KEEPALIVE_ON /* Use keep alive */ | |
185 | } http_keepalive_t; | |
186 | ||
187 | typedef enum http_state_e /**** HTTP state values; states | |
188 | **** are server-oriented... | |
189 | ****/ | |
190 | { | |
a469f8a5 MS |
191 | HTTP_STATE_ERROR = -1, /* Error on socket */ |
192 | HTTP_STATE_WAITING, /* Waiting for command */ | |
193 | HTTP_STATE_OPTIONS, /* OPTIONS command, waiting for blank line */ | |
194 | HTTP_STATE_GET, /* GET command, waiting for blank line */ | |
195 | HTTP_STATE_GET_SEND, /* GET command, sending data */ | |
196 | HTTP_STATE_HEAD, /* HEAD command, waiting for blank line */ | |
197 | HTTP_STATE_POST, /* POST command, waiting for blank line */ | |
198 | HTTP_STATE_POST_RECV, /* POST command, receiving data */ | |
199 | HTTP_STATE_POST_SEND, /* POST command, sending data */ | |
200 | HTTP_STATE_PUT, /* PUT command, waiting for blank line */ | |
201 | HTTP_STATE_PUT_RECV, /* PUT command, receiving data */ | |
202 | HTTP_STATE_DELETE, /* DELETE command, waiting for blank line */ | |
203 | HTTP_STATE_TRACE, /* TRACE command, waiting for blank line */ | |
204 | HTTP_STATE_CONNECT, /* CONNECT command, waiting for blank line */ | |
205 | HTTP_STATE_STATUS, /* Command complete, sending status */ | |
8072030b MS |
206 | HTTP_STATE_UNKNOWN_METHOD, /* Unknown request method, waiting for blank line @since CUPS 1.7/macOS 10.9@ */ |
207 | HTTP_STATE_UNKNOWN_VERSION /* Unknown request method, waiting for blank line @since CUPS 1.7/macOS 10.9@ */ | |
a469f8a5 MS |
208 | |
209 | # ifndef _CUPS_NO_DEPRECATED | |
210 | # define HTTP_WAITING HTTP_STATE_WAITING | |
211 | # define HTTP_OPTIONS HTTP_STATE_OPTIONS | |
212 | # define HTTP_GET HTTP_STATE_GET | |
213 | # define HTTP_GET_SEND HTTP_STATE_GET_SEND | |
214 | # define HTTP_HEAD HTTP_STATE_HEAD | |
215 | # define HTTP_POST HTTP_STATE_POST | |
216 | # define HTTP_POST_RECV HTTP_STATE_POST_RECV | |
217 | # define HTTP_POST_SEND HTTP_STATE_POST_SEND | |
218 | # define HTTP_PUT HTTP_STATE_PUT | |
219 | # define HTTP_PUT_RECV HTTP_STATE_PUT_RECV | |
220 | # define HTTP_DELETE HTTP_STATE_DELETE | |
221 | # define HTTP_TRACE HTTP_STATE_TRACE | |
222 | # define HTTP_CLOSE HTTP_STATE_CONNECT | |
223 | # define HTTP_STATUS HTTP_STATE_STATUS | |
224 | # endif /* !_CUPS_NO_DEPRECATED */ | |
ef416fc2 | 225 | } http_state_t; |
226 | ||
227 | typedef enum http_status_e /**** HTTP status codes ****/ | |
228 | { | |
a469f8a5 | 229 | HTTP_STATUS_ERROR = -1, /* An error response from httpXxxx() */ |
8072030b | 230 | HTTP_STATUS_NONE = 0, /* No Expect value @since CUPS 1.7/macOS 10.9@ */ |
a469f8a5 MS |
231 | |
232 | HTTP_STATUS_CONTINUE = 100, /* Everything OK, keep going... */ | |
233 | HTTP_STATUS_SWITCHING_PROTOCOLS, /* HTTP upgrade to TLS/SSL */ | |
234 | ||
235 | HTTP_STATUS_OK = 200, /* OPTIONS/GET/HEAD/POST/TRACE command was successful */ | |
236 | HTTP_STATUS_CREATED, /* PUT command was successful */ | |
237 | HTTP_STATUS_ACCEPTED, /* DELETE command was successful */ | |
238 | HTTP_STATUS_NOT_AUTHORITATIVE, /* Information isn't authoritative */ | |
239 | HTTP_STATUS_NO_CONTENT, /* Successful command, no new data */ | |
240 | HTTP_STATUS_RESET_CONTENT, /* Content was reset/recreated */ | |
dd3fdd2c | 241 | HTTP_STATUS_PARTIAL_CONTENT, /* Only a partial file was received/sent */ |
a469f8a5 MS |
242 | |
243 | HTTP_STATUS_MULTIPLE_CHOICES = 300, /* Multiple files match request */ | |
244 | HTTP_STATUS_MOVED_PERMANENTLY, /* Document has moved permanently */ | |
034b06df MS |
245 | HTTP_STATUS_FOUND, /* Document was found at a different URI */ |
246 | HTTP_STATUS_SEE_OTHER, /* See this other link */ | |
a469f8a5 MS |
247 | HTTP_STATUS_NOT_MODIFIED, /* File not modified */ |
248 | HTTP_STATUS_USE_PROXY, /* Must use a proxy to access this URI */ | |
034b06df | 249 | HTTP_STATUS_TEMPORARY_REDIRECT = 307, /* Temporary redirection */ |
a469f8a5 MS |
250 | |
251 | HTTP_STATUS_BAD_REQUEST = 400, /* Bad request */ | |
252 | HTTP_STATUS_UNAUTHORIZED, /* Unauthorized to access host */ | |
253 | HTTP_STATUS_PAYMENT_REQUIRED, /* Payment required */ | |
254 | HTTP_STATUS_FORBIDDEN, /* Forbidden to access this URI */ | |
255 | HTTP_STATUS_NOT_FOUND, /* URI was not found */ | |
256 | HTTP_STATUS_METHOD_NOT_ALLOWED, /* Method is not allowed */ | |
257 | HTTP_STATUS_NOT_ACCEPTABLE, /* Not Acceptable */ | |
258 | HTTP_STATUS_PROXY_AUTHENTICATION, /* Proxy Authentication is Required */ | |
259 | HTTP_STATUS_REQUEST_TIMEOUT, /* Request timed out */ | |
260 | HTTP_STATUS_CONFLICT, /* Request is self-conflicting */ | |
261 | HTTP_STATUS_GONE, /* Server has gone away */ | |
262 | HTTP_STATUS_LENGTH_REQUIRED, /* A content length or encoding is required */ | |
263 | HTTP_STATUS_PRECONDITION, /* Precondition failed */ | |
264 | HTTP_STATUS_REQUEST_TOO_LARGE, /* Request entity too large */ | |
265 | HTTP_STATUS_URI_TOO_LONG, /* URI too long */ | |
266 | HTTP_STATUS_UNSUPPORTED_MEDIATYPE, /* The requested media type is unsupported */ | |
267 | HTTP_STATUS_REQUESTED_RANGE, /* The requested range is not satisfiable */ | |
268 | HTTP_STATUS_EXPECTATION_FAILED, /* The expectation given in an Expect header field was not met */ | |
269 | HTTP_STATUS_UPGRADE_REQUIRED = 426, /* Upgrade to SSL/TLS required */ | |
270 | ||
271 | HTTP_STATUS_SERVER_ERROR = 500, /* Internal server error */ | |
272 | HTTP_STATUS_NOT_IMPLEMENTED, /* Feature not implemented */ | |
273 | HTTP_STATUS_BAD_GATEWAY, /* Bad gateway */ | |
274 | HTTP_STATUS_SERVICE_UNAVAILABLE, /* Service is unavailable */ | |
275 | HTTP_STATUS_GATEWAY_TIMEOUT, /* Gateway connection timed out */ | |
276 | HTTP_STATUS_NOT_SUPPORTED, /* HTTP version not supported */ | |
277 | ||
cb7f98ee | 278 | HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED = 1000, |
a469f8a5 | 279 | /* User canceled authorization @since CUPS 1.4@ */ |
8072030b | 280 | HTTP_STATUS_CUPS_PKI_ERROR, /* Error negotiating a secure connection @since CUPS 1.5/macOS 10.7@ */ |
cb7f98ee | 281 | HTTP_STATUS_CUPS_WEBIF_DISABLED /* Web interface is disabled @private@ */ |
a469f8a5 | 282 | |
034b06df MS |
283 | # define HTTP_STATUS_MOVED_TEMPORARILY HTTP_STATUS_FOUND /* Renamed in RFC 7231 */ |
284 | ||
a469f8a5 MS |
285 | # ifndef _CUPS_NO_DEPRECATED |
286 | /* Old names for this enumeration */ | |
287 | # define HTTP_ERROR HTTP_STATUS_ERROR | |
288 | ||
289 | # define HTTP_CONTINUE HTTP_STATUS_CONTINUE | |
290 | # define HTTP_SWITCHING_PROTOCOLS HTTP_STATUS_SWITCHING_PROTOCOLS | |
291 | ||
292 | # define HTTP_OK HTTP_STATUS_OK | |
293 | # define HTTP_CREATED HTTP_STATUS_CREATED | |
294 | # define HTTP_ACCEPTED HTTP_STATUS_ACCEPTED | |
295 | # define HTTP_NOT_AUTHORITATIVE HTTP_STATUS_NOT_AUTHORITATIVE | |
296 | # define HTTP_NO_CONTENT HTTP_STATUS_NO_CONTENT | |
297 | # define HTTP_RESET_CONTENT HTTP_STATUS_RESET_CONTENT | |
298 | # define HTTP_PARTIAL_CONTENT HTTP_STATUS_PARTIAL_CONTENT | |
299 | ||
300 | # define HTTP_MULTIPLE_CHOICES HTTP_STATUS_MULTIPLE_CHOICES | |
301 | # define HTTP_MOVED_PERMANENTLY HTTP_STATUS_MOVED_PERMANENTLY | |
302 | # define HTTP_MOVED_TEMPORARILY HTTP_STATUS_MOVED_TEMPORARILY | |
303 | # define HTTP_SEE_OTHER HTTP_STATUS_SEE_OTHER | |
304 | # define HTTP_NOT_MODIFIED HTTP_STATUS_NOT_MODIFIED | |
305 | # define HTTP_USE_PROXY HTTP_STATUS_USE_PROXY | |
306 | ||
307 | # define HTTP_BAD_REQUEST HTTP_STATUS_BAD_REQUEST | |
308 | # define HTTP_UNAUTHORIZED HTTP_STATUS_UNAUTHORIZED | |
309 | # define HTTP_PAYMENT_REQUIRED HTTP_STATUS_PAYMENT_REQUIRED | |
310 | # define HTTP_FORBIDDEN HTTP_STATUS_FORBIDDEN | |
311 | # define HTTP_NOT_FOUND HTTP_STATUS_NOT_FOUND | |
312 | # define HTTP_METHOD_NOT_ALLOWED HTTP_STATUS_METHOD_NOT_ALLOWED | |
313 | # define HTTP_NOT_ACCEPTABLE HTTP_STATUS_NOT_ACCEPTABLE | |
314 | # define HTTP_PROXY_AUTHENTICATION HTTP_STATUS_PROXY_AUTHENTICATION | |
315 | # define HTTP_REQUEST_TIMEOUT HTTP_STATUS_REQUEST_TIMEOUT | |
316 | # define HTTP_CONFLICT HTTP_STATUS_CONFLICT | |
317 | # define HTTP_GONE HTTP_STATUS_GONE | |
318 | # define HTTP_LENGTH_REQUIRED HTTP_STATUS_LENGTH_REQUIRED | |
319 | # define HTTP_PRECONDITION HTTP_STATUS_PRECONDITION | |
320 | # define HTTP_REQUEST_TOO_LARGE HTTP_STATUS_REQUEST_TOO_LARGE | |
321 | # define HTTP_URI_TOO_LONG HTTP_STATUS_URI_TOO_LONG | |
322 | # define HTTP_UNSUPPORTED_MEDIATYPE HTTP_STATUS_UNSUPPORTED_MEDIATYPE | |
323 | # define HTTP_REQUESTED_RANGE HTTP_STATUS_REQUESTED_RANGE | |
324 | # define HTTP_EXPECTATION_FAILED HTTP_STATUS_EXPECTATION_FAILED | |
325 | # define HTTP_UPGRADE_REQUIRED HTTP_STATUS_UPGRADE_REQUIRED | |
326 | ||
327 | # define HTTP_SERVER_ERROR HTTP_STATUS_SERVER_ERROR | |
328 | # define HTTP_NOT_IMPLEMENTED HTTP_STATUS_NOT_IMPLEMENTED | |
329 | # define HTTP_BAD_GATEWAY HTTP_STATUS_BAD_GATEWAY | |
330 | # define HTTP_SERVICE_UNAVAILABLE HTTP_STATUS_SERVICE_UNAVAILABLE | |
331 | # define HTTP_GATEWAY_TIMEOUT HTTP_STATUS_GATEWAY_TIMEOUT | |
332 | # define HTTP_NOT_SUPPORTED HTTP_STATUS_NOT_SUPPORTED | |
333 | ||
cb7f98ee MS |
334 | # define HTTP_AUTHORIZATION_CANCELED HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED |
335 | # define HTTP_PKI_ERROR HTTP_STATUS_CUPS_PKI_ERROR | |
336 | # define HTTP_WEBIF_DISABLED HTTP_STATUS_CUPS_WEBIF_DISABLED | |
a469f8a5 | 337 | # endif /* !_CUPS_NO_DEPRECATED */ |
ef416fc2 | 338 | } http_status_t; |
339 | ||
e1f19878 | 340 | typedef enum http_trust_e /**** Level of trust for credentials @since CUPS 2.0/OS 10.10@ */ |
524c65e6 MS |
341 | { |
342 | HTTP_TRUST_OK = 0, /* Credentials are OK/trusted */ | |
343 | HTTP_TRUST_INVALID, /* Credentials are invalid */ | |
344 | HTTP_TRUST_CHANGED, /* Credentials have changed */ | |
345 | HTTP_TRUST_EXPIRED, /* Credentials are expired */ | |
346 | HTTP_TRUST_RENEWED, /* Credentials have been renewed */ | |
347 | HTTP_TRUST_UNKNOWN, /* Credentials are unknown/new */ | |
348 | } http_trust_t; | |
349 | ||
7cf5915e | 350 | typedef enum http_uri_status_e /**** URI separation status @since CUPS 1.2@ ****/ |
ef416fc2 | 351 | { |
a469f8a5 MS |
352 | HTTP_URI_STATUS_OVERFLOW = -8, /* URI buffer for httpAssembleURI is too small */ |
353 | HTTP_URI_STATUS_BAD_ARGUMENTS = -7, /* Bad arguments to function (error) */ | |
354 | HTTP_URI_STATUS_BAD_RESOURCE = -6, /* Bad resource in URI (error) */ | |
355 | HTTP_URI_STATUS_BAD_PORT = -5, /* Bad port number in URI (error) */ | |
356 | HTTP_URI_STATUS_BAD_HOSTNAME = -4, /* Bad hostname in URI (error) */ | |
357 | HTTP_URI_STATUS_BAD_USERNAME = -3, /* Bad username in URI (error) */ | |
358 | HTTP_URI_STATUS_BAD_SCHEME = -2, /* Bad scheme in URI (error) */ | |
359 | HTTP_URI_STATUS_BAD_URI = -1, /* Bad/empty URI (error) */ | |
360 | HTTP_URI_STATUS_OK = 0, /* URI decoded OK */ | |
361 | HTTP_URI_STATUS_MISSING_SCHEME, /* Missing scheme in URI (warning) */ | |
362 | HTTP_URI_STATUS_UNKNOWN_SCHEME, /* Unknown scheme in URI (warning) */ | |
363 | HTTP_URI_STATUS_MISSING_RESOURCE /* Missing resource in URI (warning) */ | |
364 | ||
365 | # ifndef _CUPS_NO_DEPRECATED | |
366 | # define HTTP_URI_OVERFLOW HTTP_URI_STATUS_OVERFLOW | |
367 | # define HTTP_URI_BAD_ARGUMENTS HTTP_URI_STATUS_BAD_ARGUMENTS | |
368 | # define HTTP_URI_BAD_RESOURCE HTTP_URI_STATUS_BAD_RESOURCE | |
369 | # define HTTP_URI_BAD_PORT HTTP_URI_STATUS_BAD_PORT | |
370 | # define HTTP_URI_BAD_HOSTNAME HTTP_URI_STATUS_BAD_HOSTNAME | |
371 | # define HTTP_URI_BAD_USERNAME HTTP_URI_STATUS_BAD_USERNAME | |
372 | # define HTTP_URI_BAD_SCHEME HTTP_URI_STATUS_BAD_SCHEME | |
373 | # define HTTP_URI_BAD_URI HTTP_URI_STATUS_BAD_URI | |
374 | # define HTTP_URI_OK HTTP_URI_STATUS_OK | |
375 | # define HTTP_URI_MISSING_SCHEME HTTP_URI_STATUS_MISSING_SCHEME | |
376 | # define HTTP_URI_UNKNOWN_SCHEME HTTP_URI_STATUS_UNKNOWN_SCHEME | |
377 | # define HTTP_URI_MISSING_RESOURCE HTTP_URI_STATUS_MISSING_RESOURCE | |
378 | # endif /* !_CUPS_NO_DEPRECATED */ | |
ef416fc2 | 379 | } http_uri_status_t; |
380 | ||
a4d04587 | 381 | typedef enum http_uri_coding_e /**** URI en/decode flags ****/ |
382 | { | |
383 | HTTP_URI_CODING_NONE = 0, /* Don't en/decode anything */ | |
384 | HTTP_URI_CODING_USERNAME = 1, /* En/decode the username portion */ | |
385 | HTTP_URI_CODING_HOSTNAME = 2, /* En/decode the hostname portion */ | |
386 | HTTP_URI_CODING_RESOURCE = 4, /* En/decode the resource portion */ | |
387 | HTTP_URI_CODING_MOST = 7, /* En/decode all but the query */ | |
388 | HTTP_URI_CODING_QUERY = 8, /* En/decode the query portion */ | |
86c809d9 MS |
389 | HTTP_URI_CODING_ALL = 15, /* En/decode everything */ |
390 | HTTP_URI_CODING_RFC6874 = 16 /* Use RFC 6874 address format */ | |
a4d04587 | 391 | } http_uri_coding_t; |
392 | ||
718ee2ff | 393 | typedef enum http_version_e /**** HTTP version numbers @exclude all@ ****/ |
ef416fc2 | 394 | { |
a469f8a5 MS |
395 | HTTP_VERSION_0_9 = 9, /* HTTP/0.9 */ |
396 | HTTP_VERSION_1_0 = 100, /* HTTP/1.0 */ | |
397 | HTTP_VERSION_1_1 = 101 /* HTTP/1.1 */ | |
398 | ||
399 | # ifndef _CUPS_NO_DEPRECATED | |
400 | # define HTTP_0_9 HTTP_VERSION_0_9 | |
401 | # define HTTP_1_0 HTTP_VERSION_1_0 | |
402 | # define HTTP_1_1 HTTP_VERSION_1_1 | |
403 | # endif /* !_CUPS_NO_DEPRECATED */ | |
ef416fc2 | 404 | } http_version_t; |
405 | ||
ecdc0628 | 406 | typedef union _http_addr_u /**** Socket address union, which |
ef416fc2 | 407 | **** makes using IPv6 and other |
408 | **** address types easier and | |
8072030b | 409 | **** more portable. @since CUPS 1.2/macOS 10.5@ |
ef416fc2 | 410 | ****/ |
411 | { | |
412 | struct sockaddr addr; /* Base structure for family value */ | |
413 | struct sockaddr_in ipv4; /* IPv4 address */ | |
414 | #ifdef AF_INET6 | |
415 | struct sockaddr_in6 ipv6; /* IPv6 address */ | |
416 | #endif /* AF_INET6 */ | |
417 | #ifdef AF_LOCAL | |
418 | struct sockaddr_un un; /* Domain socket file */ | |
419 | #endif /* AF_LOCAL */ | |
420 | char pad[256]; /* Padding to ensure binary compatibility */ | |
421 | } http_addr_t; | |
422 | ||
423 | typedef struct http_addrlist_s /**** Socket address list, which is | |
424 | **** used to enumerate all of the | |
425 | **** addresses that are associated | |
8072030b | 426 | **** with a hostname. @since CUPS 1.2/macOS 10.5@ |
718ee2ff | 427 | **** @exclude all@ |
ef416fc2 | 428 | ****/ |
429 | { | |
430 | struct http_addrlist_s *next; /* Pointer to next address in list */ | |
431 | http_addr_t addr; /* Address */ | |
432 | } http_addrlist_t; | |
433 | ||
f7deaa1a | 434 | typedef struct _http_s http_t; /**** HTTP connection type ****/ |
ef416fc2 | 435 | |
718ee2ff | 436 | typedef struct http_credential_s /**** HTTP credential data @since CUPS 1.5/macOS 10.7@ @exclude all@ ****/ |
7cf5915e MS |
437 | { |
438 | void *data; /* Pointer to credential data */ | |
439 | size_t datalen; /* Credential length */ | |
440 | } http_credential_t; | |
441 | ||
f228370c | 442 | typedef int (*http_timeout_cb_t)(http_t *http, void *user_data); |
8072030b | 443 | /**** HTTP timeout callback @since CUPS 1.5/macOS 10.7@ ****/ |
f228370c MS |
444 | |
445 | ||
ef416fc2 | 446 | |
447 | /* | |
448 | * Prototypes... | |
449 | */ | |
450 | ||
ecdc0628 | 451 | extern void httpBlocking(http_t *http, int b); |
ef416fc2 | 452 | extern int httpCheck(http_t *http); |
ecdc0628 | 453 | extern void httpClearFields(http_t *http); |
ef416fc2 | 454 | extern void httpClose(http_t *http); |
a469f8a5 | 455 | extern http_t *httpConnect(const char *host, int port) |
e666fe5e | 456 | _CUPS_DEPRECATED_1_7_MSG("Use httpConnect2 instead."); |
ef416fc2 | 457 | extern http_t *httpConnectEncrypt(const char *host, int port, |
a469f8a5 | 458 | http_encryption_t encryption) |
e666fe5e | 459 | _CUPS_DEPRECATED_1_7_MSG("Use httpConnect2 instead."); |
ef416fc2 | 460 | extern int httpDelete(http_t *http, const char *uri); |
461 | extern int httpEncryption(http_t *http, http_encryption_t e); | |
ecdc0628 | 462 | extern int httpError(http_t *http); |
ef416fc2 | 463 | extern void httpFlush(http_t *http); |
464 | extern int httpGet(http_t *http, const char *uri); | |
465 | extern char *httpGets(char *line, int length, http_t *http); | |
466 | extern const char *httpGetDateString(time_t t); | |
467 | extern time_t httpGetDateTime(const char *s); | |
ecdc0628 | 468 | extern const char *httpGetField(http_t *http, http_field_t field); |
ef416fc2 | 469 | extern struct hostent *httpGetHostByName(const char *name); |
470 | extern char *httpGetSubField(http_t *http, http_field_t field, | |
471 | const char *name, char *value); | |
472 | extern int httpHead(http_t *http, const char *uri); | |
473 | extern void httpInitialize(void); | |
474 | extern int httpOptions(http_t *http, const char *uri); | |
475 | extern int httpPost(http_t *http, const char *uri); | |
476 | extern int httpPrintf(http_t *http, const char *format, ...) | |
85dda01c | 477 | __attribute__ ((__format__ (__printf__, 2, 3))); |
ef416fc2 | 478 | extern int httpPut(http_t *http, const char *uri); |
a469f8a5 | 479 | extern int httpRead(http_t *http, char *buffer, int length) _CUPS_DEPRECATED_MSG("Use httpRead2 instead."); |
e666fe5e | 480 | extern int httpReconnect(http_t *http) _CUPS_DEPRECATED_1_6_MSG("Use httpReconnect2 instead."); |
ef416fc2 | 481 | extern void httpSeparate(const char *uri, char *method, |
482 | char *username, char *host, int *port, | |
a469f8a5 | 483 | char *resource) _CUPS_DEPRECATED_MSG("Use httpSeparateURI instead."); |
ef416fc2 | 484 | extern void httpSetField(http_t *http, http_field_t field, |
485 | const char *value); | |
486 | extern const char *httpStatus(http_status_t status); | |
487 | extern int httpTrace(http_t *http, const char *uri); | |
488 | extern http_status_t httpUpdate(http_t *http); | |
a469f8a5 MS |
489 | extern int httpWrite(http_t *http, const char *buffer, int length) _CUPS_DEPRECATED_MSG("Use httpWrite2 instead."); |
490 | extern char *httpEncode64(char *out, const char *in) _CUPS_DEPRECATED_MSG("Use httpEncode64_2 instead."); | |
491 | extern char *httpDecode64(char *out, const char *in) _CUPS_DEPRECATED_MSG("Use httpDecode64_2 instead."); | |
492 | extern int httpGetLength(http_t *http) _CUPS_DEPRECATED_MSG("Use httpGetLength2 instead."); | |
ef416fc2 | 493 | extern char *httpMD5(const char *, const char *, const char *, |
7ec11630 | 494 | char [33]) _CUPS_DEPRECATED_MSG("Use cupsDoAuth or cupsHashData instead."); |
ef416fc2 | 495 | extern char *httpMD5Final(const char *, const char *, const char *, |
7ec11630 MS |
496 | char [33]) _CUPS_DEPRECATED_MSG("Use cupsDoAuth or cupsHashData instead."); |
497 | extern char *httpMD5String(const unsigned char *, char [33]) _CUPS_DEPRECATED_MSG("Use cupsHashString instead."); | |
ef416fc2 | 498 | |
499 | /**** New in CUPS 1.1.19 ****/ | |
2fb76298 MS |
500 | extern void httpClearCookie(http_t *http) _CUPS_API_1_1_19; |
501 | extern const char *httpGetCookie(http_t *http) _CUPS_API_1_1_19; | |
502 | extern void httpSetCookie(http_t *http, const char *cookie) _CUPS_API_1_1_19; | |
503 | extern int httpWait(http_t *http, int msec) _CUPS_API_1_1_19; | |
ef416fc2 | 504 | |
505 | /**** New in CUPS 1.1.21 ****/ | |
2fb76298 | 506 | extern char *httpDecode64_2(char *out, int *outlen, const char *in) _CUPS_API_1_1_21; |
ef416fc2 | 507 | extern char *httpEncode64_2(char *out, int outlen, const char *in, |
2fb76298 | 508 | int inlen) _CUPS_API_1_1_21; |
ef416fc2 | 509 | extern void httpSeparate2(const char *uri, |
510 | char *method, int methodlen, | |
511 | char *username, int usernamelen, | |
512 | char *host, int hostlen, int *port, | |
a469f8a5 | 513 | char *resource, int resourcelen) _CUPS_DEPRECATED_MSG("Use httpSeparateURI instead."); |
ef416fc2 | 514 | |
8072030b | 515 | /**** New in CUPS 1.2/macOS 10.5 ****/ |
2fb76298 MS |
516 | extern int httpAddrAny(const http_addr_t *addr) _CUPS_API_1_2; |
517 | extern http_addrlist_t *httpAddrConnect(http_addrlist_t *addrlist, int *sock) _CUPS_API_1_2; | |
ef416fc2 | 518 | extern int httpAddrEqual(const http_addr_t *addr1, |
2fb76298 MS |
519 | const http_addr_t *addr2) _CUPS_API_1_2; |
520 | extern void httpAddrFreeList(http_addrlist_t *addrlist) _CUPS_API_1_2; | |
ef416fc2 | 521 | extern http_addrlist_t *httpAddrGetList(const char *hostname, int family, |
2fb76298 MS |
522 | const char *service) _CUPS_API_1_2; |
523 | extern int httpAddrLength(const http_addr_t *addr) _CUPS_API_1_2; | |
524 | extern int httpAddrLocalhost(const http_addr_t *addr) _CUPS_API_1_2; | |
ef416fc2 | 525 | extern char *httpAddrLookup(const http_addr_t *addr, |
2fb76298 | 526 | char *name, int namelen) _CUPS_API_1_2; |
ef416fc2 | 527 | extern char *httpAddrString(const http_addr_t *addr, |
2fb76298 | 528 | char *s, int slen) _CUPS_API_1_2; |
a4d04587 | 529 | extern http_uri_status_t httpAssembleURI(http_uri_coding_t encoding, |
530 | char *uri, int urilen, | |
ef416fc2 | 531 | const char *scheme, |
532 | const char *username, | |
533 | const char *host, int port, | |
2fb76298 | 534 | const char *resource) _CUPS_API_1_2; |
a4d04587 | 535 | extern http_uri_status_t httpAssembleURIf(http_uri_coding_t encoding, |
536 | char *uri, int urilen, | |
ef416fc2 | 537 | const char *scheme, |
538 | const char *username, | |
539 | const char *host, int port, | |
2fb76298 MS |
540 | const char *resourcef, ...) _CUPS_API_1_2; |
541 | extern int httpFlushWrite(http_t *http) _CUPS_API_1_2; | |
542 | extern int httpGetBlocking(http_t *http) _CUPS_API_1_2; | |
543 | extern const char *httpGetDateString2(time_t t, char *s, int slen) _CUPS_API_1_2; | |
544 | extern int httpGetFd(http_t *http) _CUPS_API_1_2; | |
545 | extern const char *httpGetHostname(http_t *http, char *s, int slen) _CUPS_API_1_2; | |
546 | extern off_t httpGetLength2(http_t *http) _CUPS_API_1_2; | |
547 | extern http_status_t httpGetStatus(http_t *http) _CUPS_API_1_2; | |
ef416fc2 | 548 | extern char *httpGetSubField2(http_t *http, http_field_t field, |
549 | const char *name, char *value, | |
2fb76298 MS |
550 | int valuelen) _CUPS_API_1_2; |
551 | extern ssize_t httpRead2(http_t *http, char *buffer, size_t length) _CUPS_API_1_2; | |
a4d04587 | 552 | extern http_uri_status_t httpSeparateURI(http_uri_coding_t decoding, |
553 | const char *uri, | |
ef416fc2 | 554 | char *scheme, int schemelen, |
555 | char *username, int usernamelen, | |
556 | char *host, int hostlen, int *port, | |
2fb76298 MS |
557 | char *resource, int resourcelen) _CUPS_API_1_2; |
558 | extern void httpSetExpect(http_t *http, http_status_t expect) _CUPS_API_1_2; | |
559 | extern void httpSetLength(http_t *http, size_t length) _CUPS_API_1_2; | |
a4d04587 | 560 | extern ssize_t httpWrite2(http_t *http, const char *buffer, |
2fb76298 | 561 | size_t length) _CUPS_API_1_2; |
ef416fc2 | 562 | |
8072030b | 563 | /**** New in CUPS 1.3/macOS 10.5 ****/ |
2fb76298 | 564 | extern char *httpGetAuthString(http_t *http) _CUPS_API_1_3; |
355e94dc | 565 | extern void httpSetAuthString(http_t *http, const char *scheme, |
2fb76298 | 566 | const char *data) _CUPS_API_1_3; |
ef416fc2 | 567 | |
8072030b | 568 | /**** New in CUPS 1.5/macOS 10.7 ****/ |
7cf5915e MS |
569 | extern int httpAddCredential(cups_array_t *credentials, |
570 | const void *data, size_t datalen) | |
571 | _CUPS_API_1_5; | |
321d8d57 MS |
572 | extern int httpCopyCredentials(http_t *http, |
573 | cups_array_t **credentials) | |
7cf5915e MS |
574 | _CUPS_API_1_5; |
575 | extern void httpFreeCredentials(cups_array_t *certs) _CUPS_API_1_5; | |
576 | extern int httpSetCredentials(http_t *http, cups_array_t *certs) | |
577 | _CUPS_API_1_5; | |
f228370c | 578 | extern void httpSetTimeout(http_t *http, double timeout, |
a2326b5b MS |
579 | http_timeout_cb_t cb, void *user_data) |
580 | _CUPS_API_1_5; | |
581 | ||
8072030b | 582 | /**** New in CUPS 1.6/macOS 10.8 ****/ |
dcb445bc MS |
583 | extern http_addrlist_t *httpAddrConnect2(http_addrlist_t *addrlist, int *sock, |
584 | int msec, int *cancel) | |
585 | _CUPS_API_1_6; | |
a2326b5b MS |
586 | extern http_state_t httpGetState(http_t *http) _CUPS_API_1_6; |
587 | extern http_version_t httpGetVersion(http_t *http) _CUPS_API_1_6; | |
dcb445bc MS |
588 | extern int httpReconnect2(http_t *http, int msec, int *cancel) |
589 | _CUPS_API_1_6; | |
f228370c | 590 | |
7cf5915e | 591 | |
8072030b | 592 | /**** New in CUPS 1.7/macOS 10.9 ****/ |
a469f8a5 MS |
593 | extern http_t *httpAcceptConnection(int fd, int blocking) |
594 | _CUPS_API_1_7; | |
595 | extern http_addrlist_t *httpAddrCopyList(http_addrlist_t *src) _CUPS_API_1_7; | |
596 | extern int httpAddrListen(http_addr_t *addr, int port) | |
597 | _CUPS_API_1_7; | |
598 | extern int httpAddrPort(http_addr_t *addr) _CUPS_API_1_7; | |
0fa6c7fa MS |
599 | extern char *httpAssembleUUID(const char *server, int port, |
600 | const char *name, int number, | |
601 | char *buffer, size_t bufsize) | |
602 | _CUPS_API_1_7; | |
a469f8a5 MS |
603 | extern http_t *httpConnect2(const char *host, int port, |
604 | http_addrlist_t *addrlist, | |
605 | int family, http_encryption_t encryption, | |
606 | int blocking, int msec, int *cancel) | |
607 | _CUPS_API_1_7; | |
608 | extern const char *httpGetContentEncoding(http_t *http) _CUPS_API_1_7; | |
609 | extern http_status_t httpGetExpect(http_t *http) _CUPS_API_1_7; | |
610 | extern ssize_t httpPeek(http_t *http, char *buffer, size_t length) | |
611 | _CUPS_API_1_7; | |
612 | extern http_state_t httpReadRequest(http_t *http, char *resource, | |
613 | size_t resourcelen) _CUPS_API_1_7; | |
c1420c87 MS |
614 | extern void httpSetDefaultField(http_t *http, http_field_t field, |
615 | const char *value) _CUPS_API_1_7; | |
a469f8a5 MS |
616 | extern http_state_t httpWriteResponse(http_t *http, |
617 | http_status_t status) _CUPS_API_1_7; | |
618 | ||
8072030b | 619 | /* New in CUPS 2.0/macOS 10.10 */ |
7855ab56 MS |
620 | extern int httpAddrClose(http_addr_t *addr, int fd) _CUPS_API_2_0; |
621 | extern int httpAddrFamily(http_addr_t *addr) _CUPS_API_2_0; | |
dafebafd | 622 | extern int httpCompareCredentials(cups_array_t *cred1, cups_array_t *cred2) _CUPS_API_2_0; |
524c65e6 | 623 | extern int httpCredentialsAreValidForName(cups_array_t *credentials, const char *common_name); |
3af9ac9e | 624 | extern time_t httpCredentialsGetExpiration(cups_array_t *credentials) _CUPS_API_2_0; |
524c65e6 | 625 | extern http_trust_t httpCredentialsGetTrust(cups_array_t *credentials, const char *common_name) _CUPS_API_2_0; |
dafebafd | 626 | extern size_t httpCredentialsString(cups_array_t *credentials, char *buffer, size_t bufsize) _CUPS_API_2_0; |
48bd1142 | 627 | extern http_field_t httpFieldValue(const char *name) _CUPS_API_2_0; |
996acce8 MS |
628 | extern time_t httpGetActivity(http_t *http) _CUPS_API_2_0; |
629 | extern http_addr_t *httpGetAddress(http_t *http) _CUPS_API_2_0; | |
5ec1fd3d | 630 | extern http_encryption_t httpGetEncryption(http_t *http) _CUPS_API_2_0; |
996acce8 | 631 | extern http_keepalive_t httpGetKeepAlive(http_t *http) _CUPS_API_2_0; |
d21dc0ed | 632 | extern size_t httpGetPending(http_t *http) _CUPS_API_2_0; |
996acce8 | 633 | extern size_t httpGetReady(http_t *http) _CUPS_API_2_0; |
5ec1fd3d MS |
634 | extern size_t httpGetRemaining(http_t *http) _CUPS_API_2_0; |
635 | extern int httpIsChunked(http_t *http) _CUPS_API_2_0; | |
636 | extern int httpIsEncrypted(http_t *http) _CUPS_API_2_0; | |
dafebafd | 637 | extern int httpLoadCredentials(const char *path, cups_array_t **credentials, const char *common_name) _CUPS_API_2_0; |
48bd1142 | 638 | extern const char *httpResolveHostname(http_t *http, char *buffer, size_t bufsize) _CUPS_API_2_0; |
dafebafd | 639 | extern int httpSaveCredentials(const char *path, cups_array_t *credentials, const char *common_name) _CUPS_API_2_0; |
e6b1a6a9 | 640 | extern void httpSetKeepAlive(http_t *http, http_keepalive_t keep_alive) _CUPS_API_2_0; |
5ec1fd3d | 641 | extern void httpShutdown(http_t *http) _CUPS_API_2_0; |
7e86f2f6 MS |
642 | extern const char *httpStateString(http_state_t state) _CUPS_API_2_0; |
643 | extern const char *httpURIStatusString(http_uri_status_t status) _CUPS_API_2_0; | |
996acce8 | 644 | |
ef416fc2 | 645 | /* |
646 | * C++ magic... | |
647 | */ | |
648 | ||
649 | # ifdef __cplusplus | |
650 | } | |
651 | # endif /* __cplusplus */ | |
652 | #endif /* !_CUPS_HTTP_H_ */ |