1 /* 2 * Hyper-Text Transport Protocol definitions for CUPS. 3 * 4 * Copyright 2007-2017 by Apple Inc. 5 * Copyright 1997-2007 by Easy Software Products, all rights reserved. 6 * 7 * These coded instructions, statements, and computer programs are the 8 * property of Apple Inc. and are protected by Federal copyright 9 * law. Distribution and use rights are outlined in the file "LICENSE.txt" 10 * which should have been included with this file. If this file is 11 * missing or damaged, see the license at "http://www.cups.org/". 12 * 13 * This file is subject to the Apple OS-Developed Software exception. 14 */ 15 16 #ifndef _CUPS_HTTP_H_ 17 # define _CUPS_HTTP_H_ 18 19 /* 20 * Include necessary headers... 21 */ 22 23 # include "versioning.h" 24 # include "array.h" 25 # include <string.h> 26 # include <time.h> 27 # include <sys/types.h> 28 # ifdef WIN32 29 # ifndef __CUPS_SSIZE_T_DEFINED 30 # define __CUPS_SSIZE_T_DEFINED 31 /* Windows does not support the ssize_t type, so map it to off_t... */ 32 typedef off_t ssize_t; /* @private@ */ 33 # endif /* !__CUPS_SSIZE_T_DEFINED */ 34 # include <winsock2.h> 35 # include <ws2tcpip.h> 36 # else 37 # include <unistd.h> 38 # include <sys/time.h> 39 # include <sys/socket.h> 40 # include <netdb.h> 41 # include <netinet/in.h> 42 # include <arpa/inet.h> 43 # include <netinet/in_systm.h> 44 # include <netinet/ip.h> 45 # if !defined(__APPLE__) || !defined(TCP_NODELAY) 46 # include <netinet/tcp.h> 47 # endif /* !__APPLE__ || !TCP_NODELAY */ 48 # if defined(AF_UNIX) && !defined(AF_LOCAL) 49 # define AF_LOCAL AF_UNIX /* Older UNIX's have old names... */ 50 # endif /* AF_UNIX && !AF_LOCAL */ 51 # ifdef AF_LOCAL 52 # include <sys/un.h> 53 # endif /* AF_LOCAL */ 54 # if defined(LOCAL_PEERCRED) && !defined(SO_PEERCRED) 55 # define SO_PEERCRED LOCAL_PEERCRED 56 # endif /* LOCAL_PEERCRED && !SO_PEERCRED */ 57 # endif /* WIN32 */ 58 59 60 /* 61 * C++ magic... 62 */ 63 64 # ifdef __cplusplus 65 extern "C" { 66 # endif /* __cplusplus */ 67 68 69 /* 70 * Oh, the wonderful world of IPv6 compatibility. Apparently some 71 * implementations expose the (more logical) 32-bit address parts 72 * to everyone, while others only expose it to kernel code... To 73 * make supporting IPv6 even easier, each vendor chose different 74 * core structure and union names, so the same defines or code 75 * can't be used on all platforms. 76 * 77 * The following will likely need tweaking on new platforms that 78 * support IPv6 - the "s6_addr32" define maps to the 32-bit integer 79 * array in the in6_addr union, which is named differently on various 80 * platforms. 81 */ 82 83 #if defined(AF_INET6) && !defined(s6_addr32) 84 # if defined(__sun) 85 # define s6_addr32 _S6_un._S6_u32 86 # elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)|| defined(__DragonFly__) 87 # define s6_addr32 __u6_addr.__u6_addr32 88 # elif defined(WIN32) 89 /* 90 * Windows only defines byte and 16-bit word members of the union and 91 * requires special casing of all raw address code... 92 */ 93 # define s6_addr32 error_need_win32_specific_code 94 # endif /* __sun */ 95 #endif /* AF_INET6 && !s6_addr32 */ 96 97 98 /* 99 * Limits... 100 */ 101 102 # define HTTP_MAX_URI 1024 /* Max length of URI string */ 103 # define HTTP_MAX_HOST 256 /* Max length of hostname string */ 104 # define HTTP_MAX_BUFFER 2048 /* Max length of data buffer */ 105 # define HTTP_MAX_VALUE 256 /* Max header field value length */ 106 107 108 /* 109 * Types and structures... 110 */ 111 112 typedef enum http_auth_e /**** HTTP authentication types @exclude all@ ****/ 113 { 114 HTTP_AUTH_NONE, /* No authentication in use */ 115 HTTP_AUTH_BASIC, /* Basic authentication in use */ 116 HTTP_AUTH_MD5, /* Digest authentication in use */ 117 HTTP_AUTH_MD5_SESS, /* MD5-session authentication in use */ 118 HTTP_AUTH_MD5_INT, /* Digest authentication in use for body */ 119 HTTP_AUTH_MD5_SESS_INT, /* MD5-session authentication in use for body */ 120 HTTP_AUTH_NEGOTIATE /* GSSAPI authentication in use @since CUPS 1.3/macOS 10.5@ */ 121 } http_auth_t; 122 123 typedef enum http_encoding_e /**** HTTP transfer encoding values ****/ 124 { 125 HTTP_ENCODING_LENGTH, /* Data is sent with Content-Length */ 126 HTTP_ENCODING_CHUNKED, /* Data is chunked */ 127 HTTP_ENCODING_FIELDS /* Sending HTTP fields */ 128 129 # ifndef _CUPS_NO_DEPRECATED 130 # define HTTP_ENCODE_LENGTH HTTP_ENCODING_LENGTH 131 # define HTTP_ENCODE_CHUNKED HTTP_ENCODING_CHUNKED 132 # define HTTP_ENCODE_FIELDS HTTP_ENCODING_FIELDS 133 # endif /* !_CUPS_NO_DEPRECATED */ 134 } http_encoding_t; 135 136 typedef enum http_encryption_e /**** HTTP encryption values ****/ 137 { 138 HTTP_ENCRYPTION_IF_REQUESTED, /* Encrypt if requested (TLS upgrade) */ 139 HTTP_ENCRYPTION_NEVER, /* Never encrypt */ 140 HTTP_ENCRYPTION_REQUIRED, /* Encryption is required (TLS upgrade) */ 141 HTTP_ENCRYPTION_ALWAYS /* Always encrypt (SSL) */ 142 143 # ifndef _CUPS_NO_DEPRECATED 144 # define HTTP_ENCRYPT_IF_REQUESTED HTTP_ENCRYPTION_IF_REQUESTED 145 # define HTTP_ENCRYPT_NEVER HTTP_ENCRYPTION_NEVER 146 # define HTTP_ENCRYPT_REQUIRED HTTP_ENCRYPTION_REQUIRED 147 # define HTTP_ENCRYPT_ALWAYS HTTP_ENCRYPTION_ALWAYS 148 # endif /* !_CUPS_NO_DEPRECATED */ 149 } http_encryption_t; 150 151 typedef enum http_field_e /**** HTTP field names ****/ 152 { 153 HTTP_FIELD_UNKNOWN = -1, /* Unknown field */ 154 HTTP_FIELD_ACCEPT_LANGUAGE, /* Accept-Language field */ 155 HTTP_FIELD_ACCEPT_RANGES, /* Accept-Ranges field */ 156 HTTP_FIELD_AUTHORIZATION, /* Authorization field */ 157 HTTP_FIELD_CONNECTION, /* Connection field */ 158 HTTP_FIELD_CONTENT_ENCODING, /* Content-Encoding field */ 159 HTTP_FIELD_CONTENT_LANGUAGE, /* Content-Language field */ 160 HTTP_FIELD_CONTENT_LENGTH, /* Content-Length field */ 161 HTTP_FIELD_CONTENT_LOCATION, /* Content-Location field */ 162 HTTP_FIELD_CONTENT_MD5, /* Content-MD5 field */ 163 HTTP_FIELD_CONTENT_RANGE, /* Content-Range field */ 164 HTTP_FIELD_CONTENT_TYPE, /* Content-Type field */ 165 HTTP_FIELD_CONTENT_VERSION, /* Content-Version field */ 166 HTTP_FIELD_DATE, /* Date field */ 167 HTTP_FIELD_HOST, /* Host field */ 168 HTTP_FIELD_IF_MODIFIED_SINCE, /* If-Modified-Since field */ 169 HTTP_FIELD_IF_UNMODIFIED_SINCE, /* If-Unmodified-Since field */ 170 HTTP_FIELD_KEEP_ALIVE, /* Keep-Alive field */ 171 HTTP_FIELD_LAST_MODIFIED, /* Last-Modified field */ 172 HTTP_FIELD_LINK, /* Link field */ 173 HTTP_FIELD_LOCATION, /* Location field */ 174 HTTP_FIELD_RANGE, /* Range field */ 175 HTTP_FIELD_REFERER, /* Referer field */ 176 HTTP_FIELD_RETRY_AFTER, /* Retry-After field */ 177 HTTP_FIELD_TRANSFER_ENCODING, /* Transfer-Encoding field */ 178 HTTP_FIELD_UPGRADE, /* Upgrade field */ 179 HTTP_FIELD_USER_AGENT, /* User-Agent field */ 180 HTTP_FIELD_WWW_AUTHENTICATE, /* WWW-Authenticate field */ 181 HTTP_FIELD_ACCEPT_ENCODING, /* Accepting-Encoding field @since CUPS 1.7/macOS 10.9@ */ 182 HTTP_FIELD_ALLOW, /* Allow field @since CUPS 1.7/macOS 10.9@ */ 183 HTTP_FIELD_SERVER, /* Server field @since CUPS 1.7/macOS 10.9@ */ 184 HTTP_FIELD_MAX /* Maximum field index */ 185 } http_field_t; 186 187 typedef enum http_keepalive_e /**** HTTP keep-alive values ****/ 188 { 189 HTTP_KEEPALIVE_OFF = 0, /* No keep alive support */ 190 HTTP_KEEPALIVE_ON /* Use keep alive */ 191 } http_keepalive_t; 192 193 typedef enum http_state_e /**** HTTP state values; states 194 **** are server-oriented... 195 ****/ 196 { 197 HTTP_STATE_ERROR = -1, /* Error on socket */ 198 HTTP_STATE_WAITING, /* Waiting for command */ 199 HTTP_STATE_OPTIONS, /* OPTIONS command, waiting for blank line */ 200 HTTP_STATE_GET, /* GET command, waiting for blank line */ 201 HTTP_STATE_GET_SEND, /* GET command, sending data */ 202 HTTP_STATE_HEAD, /* HEAD command, waiting for blank line */ 203 HTTP_STATE_POST, /* POST command, waiting for blank line */ 204 HTTP_STATE_POST_RECV, /* POST command, receiving data */ 205 HTTP_STATE_POST_SEND, /* POST command, sending data */ 206 HTTP_STATE_PUT, /* PUT command, waiting for blank line */ 207 HTTP_STATE_PUT_RECV, /* PUT command, receiving data */ 208 HTTP_STATE_DELETE, /* DELETE command, waiting for blank line */ 209 HTTP_STATE_TRACE, /* TRACE command, waiting for blank line */ 210 HTTP_STATE_CONNECT, /* CONNECT command, waiting for blank line */ 211 HTTP_STATE_STATUS, /* Command complete, sending status */ 212 HTTP_STATE_UNKNOWN_METHOD, /* Unknown request method, waiting for blank line @since CUPS 1.7/macOS 10.9@ */ 213 HTTP_STATE_UNKNOWN_VERSION /* Unknown request method, waiting for blank line @since CUPS 1.7/macOS 10.9@ */ 214 215 # ifndef _CUPS_NO_DEPRECATED 216 # define HTTP_WAITING HTTP_STATE_WAITING 217 # define HTTP_OPTIONS HTTP_STATE_OPTIONS 218 # define HTTP_GET HTTP_STATE_GET 219 # define HTTP_GET_SEND HTTP_STATE_GET_SEND 220 # define HTTP_HEAD HTTP_STATE_HEAD 221 # define HTTP_POST HTTP_STATE_POST 222 # define HTTP_POST_RECV HTTP_STATE_POST_RECV 223 # define HTTP_POST_SEND HTTP_STATE_POST_SEND 224 # define HTTP_PUT HTTP_STATE_PUT 225 # define HTTP_PUT_RECV HTTP_STATE_PUT_RECV 226 # define HTTP_DELETE HTTP_STATE_DELETE 227 # define HTTP_TRACE HTTP_STATE_TRACE 228 # define HTTP_CLOSE HTTP_STATE_CONNECT 229 # define HTTP_STATUS HTTP_STATE_STATUS 230 # endif /* !_CUPS_NO_DEPRECATED */ 231 } http_state_t; 232 233 typedef enum http_status_e /**** HTTP status codes ****/ 234 { 235 HTTP_STATUS_ERROR = -1, /* An error response from httpXxxx() */ 236 HTTP_STATUS_NONE = 0, /* No Expect value @since CUPS 1.7/macOS 10.9@ */ 237 238 HTTP_STATUS_CONTINUE = 100, /* Everything OK, keep going... */ 239 HTTP_STATUS_SWITCHING_PROTOCOLS, /* HTTP upgrade to TLS/SSL */ 240 241 HTTP_STATUS_OK = 200, /* OPTIONS/GET/HEAD/POST/TRACE command was successful */ 242 HTTP_STATUS_CREATED, /* PUT command was successful */ 243 HTTP_STATUS_ACCEPTED, /* DELETE command was successful */ 244 HTTP_STATUS_NOT_AUTHORITATIVE, /* Information isn't authoritative */ 245 HTTP_STATUS_NO_CONTENT, /* Successful command, no new data */ 246 HTTP_STATUS_RESET_CONTENT, /* Content was reset/recreated */ 247 HTTP_STATUS_PARTIAL_CONTENT, /* Only a partial file was received/sent */ 248 249 HTTP_STATUS_MULTIPLE_CHOICES = 300, /* Multiple files match request */ 250 HTTP_STATUS_MOVED_PERMANENTLY, /* Document has moved permanently */ 251 HTTP_STATUS_MOVED_TEMPORARILY, /* Document has moved temporarily */ 252 HTTP_STATUS_SEE_OTHER, /* See this other link... */ 253 HTTP_STATUS_NOT_MODIFIED, /* File not modified */ 254 HTTP_STATUS_USE_PROXY, /* Must use a proxy to access this URI */ 255 256 HTTP_STATUS_BAD_REQUEST = 400, /* Bad request */ 257 HTTP_STATUS_UNAUTHORIZED, /* Unauthorized to access host */ 258 HTTP_STATUS_PAYMENT_REQUIRED, /* Payment required */ 259 HTTP_STATUS_FORBIDDEN, /* Forbidden to access this URI */ 260 HTTP_STATUS_NOT_FOUND, /* URI was not found */ 261 HTTP_STATUS_METHOD_NOT_ALLOWED, /* Method is not allowed */ 262 HTTP_STATUS_NOT_ACCEPTABLE, /* Not Acceptable */ 263 HTTP_STATUS_PROXY_AUTHENTICATION, /* Proxy Authentication is Required */ 264 HTTP_STATUS_REQUEST_TIMEOUT, /* Request timed out */ 265 HTTP_STATUS_CONFLICT, /* Request is self-conflicting */ 266 HTTP_STATUS_GONE, /* Server has gone away */ 267 HTTP_STATUS_LENGTH_REQUIRED, /* A content length or encoding is required */ 268 HTTP_STATUS_PRECONDITION, /* Precondition failed */ 269 HTTP_STATUS_REQUEST_TOO_LARGE, /* Request entity too large */ 270 HTTP_STATUS_URI_TOO_LONG, /* URI too long */ 271 HTTP_STATUS_UNSUPPORTED_MEDIATYPE, /* The requested media type is unsupported */ 272 HTTP_STATUS_REQUESTED_RANGE, /* The requested range is not satisfiable */ 273 HTTP_STATUS_EXPECTATION_FAILED, /* The expectation given in an Expect header field was not met */ 274 HTTP_STATUS_UPGRADE_REQUIRED = 426, /* Upgrade to SSL/TLS required */ 275 276 HTTP_STATUS_SERVER_ERROR = 500, /* Internal server error */ 277 HTTP_STATUS_NOT_IMPLEMENTED, /* Feature not implemented */ 278 HTTP_STATUS_BAD_GATEWAY, /* Bad gateway */ 279 HTTP_STATUS_SERVICE_UNAVAILABLE, /* Service is unavailable */ 280 HTTP_STATUS_GATEWAY_TIMEOUT, /* Gateway connection timed out */ 281 HTTP_STATUS_NOT_SUPPORTED, /* HTTP version not supported */ 282 283 HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED = 1000, 284 /* User canceled authorization @since CUPS 1.4@ */ 285 HTTP_STATUS_CUPS_PKI_ERROR, /* Error negotiating a secure connection @since CUPS 1.5/macOS 10.7@ */ 286 HTTP_STATUS_CUPS_WEBIF_DISABLED /* Web interface is disabled @private@ */ 287 288 # ifndef _CUPS_NO_DEPRECATED 289 /* Old names for this enumeration */ 290 # define HTTP_ERROR HTTP_STATUS_ERROR 291 292 # define HTTP_CONTINUE HTTP_STATUS_CONTINUE 293 # define HTTP_SWITCHING_PROTOCOLS HTTP_STATUS_SWITCHING_PROTOCOLS 294 295 # define HTTP_OK HTTP_STATUS_OK 296 # define HTTP_CREATED HTTP_STATUS_CREATED 297 # define HTTP_ACCEPTED HTTP_STATUS_ACCEPTED 298 # define HTTP_NOT_AUTHORITATIVE HTTP_STATUS_NOT_AUTHORITATIVE 299 # define HTTP_NO_CONTENT HTTP_STATUS_NO_CONTENT 300 # define HTTP_RESET_CONTENT HTTP_STATUS_RESET_CONTENT 301 # define HTTP_PARTIAL_CONTENT HTTP_STATUS_PARTIAL_CONTENT 302 303 # define HTTP_MULTIPLE_CHOICES HTTP_STATUS_MULTIPLE_CHOICES 304 # define HTTP_MOVED_PERMANENTLY HTTP_STATUS_MOVED_PERMANENTLY 305 # define HTTP_MOVED_TEMPORARILY HTTP_STATUS_MOVED_TEMPORARILY 306 # define HTTP_SEE_OTHER HTTP_STATUS_SEE_OTHER 307 # define HTTP_NOT_MODIFIED HTTP_STATUS_NOT_MODIFIED 308 # define HTTP_USE_PROXY HTTP_STATUS_USE_PROXY 309 310 # define HTTP_BAD_REQUEST HTTP_STATUS_BAD_REQUEST 311 # define HTTP_UNAUTHORIZED HTTP_STATUS_UNAUTHORIZED 312 # define HTTP_PAYMENT_REQUIRED HTTP_STATUS_PAYMENT_REQUIRED 313 # define HTTP_FORBIDDEN HTTP_STATUS_FORBIDDEN 314 # define HTTP_NOT_FOUND HTTP_STATUS_NOT_FOUND 315 # define HTTP_METHOD_NOT_ALLOWED HTTP_STATUS_METHOD_NOT_ALLOWED 316 # define HTTP_NOT_ACCEPTABLE HTTP_STATUS_NOT_ACCEPTABLE 317 # define HTTP_PROXY_AUTHENTICATION HTTP_STATUS_PROXY_AUTHENTICATION 318 # define HTTP_REQUEST_TIMEOUT HTTP_STATUS_REQUEST_TIMEOUT 319 # define HTTP_CONFLICT HTTP_STATUS_CONFLICT 320 # define HTTP_GONE HTTP_STATUS_GONE 321 # define HTTP_LENGTH_REQUIRED HTTP_STATUS_LENGTH_REQUIRED 322 # define HTTP_PRECONDITION HTTP_STATUS_PRECONDITION 323 # define HTTP_REQUEST_TOO_LARGE HTTP_STATUS_REQUEST_TOO_LARGE 324 # define HTTP_URI_TOO_LONG HTTP_STATUS_URI_TOO_LONG 325 # define HTTP_UNSUPPORTED_MEDIATYPE HTTP_STATUS_UNSUPPORTED_MEDIATYPE 326 # define HTTP_REQUESTED_RANGE HTTP_STATUS_REQUESTED_RANGE 327 # define HTTP_EXPECTATION_FAILED HTTP_STATUS_EXPECTATION_FAILED 328 # define HTTP_UPGRADE_REQUIRED HTTP_STATUS_UPGRADE_REQUIRED 329 330 # define HTTP_SERVER_ERROR HTTP_STATUS_SERVER_ERROR 331 # define HTTP_NOT_IMPLEMENTED HTTP_STATUS_NOT_IMPLEMENTED 332 # define HTTP_BAD_GATEWAY HTTP_STATUS_BAD_GATEWAY 333 # define HTTP_SERVICE_UNAVAILABLE HTTP_STATUS_SERVICE_UNAVAILABLE 334 # define HTTP_GATEWAY_TIMEOUT HTTP_STATUS_GATEWAY_TIMEOUT 335 # define HTTP_NOT_SUPPORTED HTTP_STATUS_NOT_SUPPORTED 336 337 # define HTTP_AUTHORIZATION_CANCELED HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED 338 # define HTTP_PKI_ERROR HTTP_STATUS_CUPS_PKI_ERROR 339 # define HTTP_WEBIF_DISABLED HTTP_STATUS_CUPS_WEBIF_DISABLED 340 # endif /* !_CUPS_NO_DEPRECATED */ 341 } http_status_t; 342 343 typedef enum http_trust_e /**** Level of trust for credentials @since CUPS 2.0/OS 10.10@ */ 344 { 345 HTTP_TRUST_OK = 0, /* Credentials are OK/trusted */ 346 HTTP_TRUST_INVALID, /* Credentials are invalid */ 347 HTTP_TRUST_CHANGED, /* Credentials have changed */ 348 HTTP_TRUST_EXPIRED, /* Credentials are expired */ 349 HTTP_TRUST_RENEWED, /* Credentials have been renewed */ 350 HTTP_TRUST_UNKNOWN, /* Credentials are unknown/new */ 351 } http_trust_t; 352 353 typedef enum http_uri_status_e /**** URI separation status @since CUPS 1.2@ ****/ 354 { 355 HTTP_URI_STATUS_OVERFLOW = -8, /* URI buffer for httpAssembleURI is too small */ 356 HTTP_URI_STATUS_BAD_ARGUMENTS = -7, /* Bad arguments to function (error) */ 357 HTTP_URI_STATUS_BAD_RESOURCE = -6, /* Bad resource in URI (error) */ 358 HTTP_URI_STATUS_BAD_PORT = -5, /* Bad port number in URI (error) */ 359 HTTP_URI_STATUS_BAD_HOSTNAME = -4, /* Bad hostname in URI (error) */ 360 HTTP_URI_STATUS_BAD_USERNAME = -3, /* Bad username in URI (error) */ 361 HTTP_URI_STATUS_BAD_SCHEME = -2, /* Bad scheme in URI (error) */ 362 HTTP_URI_STATUS_BAD_URI = -1, /* Bad/empty URI (error) */ 363 HTTP_URI_STATUS_OK = 0, /* URI decoded OK */ 364 HTTP_URI_STATUS_MISSING_SCHEME, /* Missing scheme in URI (warning) */ 365 HTTP_URI_STATUS_UNKNOWN_SCHEME, /* Unknown scheme in URI (warning) */ 366 HTTP_URI_STATUS_MISSING_RESOURCE /* Missing resource in URI (warning) */ 367 368 # ifndef _CUPS_NO_DEPRECATED 369 # define HTTP_URI_OVERFLOW HTTP_URI_STATUS_OVERFLOW 370 # define HTTP_URI_BAD_ARGUMENTS HTTP_URI_STATUS_BAD_ARGUMENTS 371 # define HTTP_URI_BAD_RESOURCE HTTP_URI_STATUS_BAD_RESOURCE 372 # define HTTP_URI_BAD_PORT HTTP_URI_STATUS_BAD_PORT 373 # define HTTP_URI_BAD_HOSTNAME HTTP_URI_STATUS_BAD_HOSTNAME 374 # define HTTP_URI_BAD_USERNAME HTTP_URI_STATUS_BAD_USERNAME 375 # define HTTP_URI_BAD_SCHEME HTTP_URI_STATUS_BAD_SCHEME 376 # define HTTP_URI_BAD_URI HTTP_URI_STATUS_BAD_URI 377 # define HTTP_URI_OK HTTP_URI_STATUS_OK 378 # define HTTP_URI_MISSING_SCHEME HTTP_URI_STATUS_MISSING_SCHEME 379 # define HTTP_URI_UNKNOWN_SCHEME HTTP_URI_STATUS_UNKNOWN_SCHEME 380 # define HTTP_URI_MISSING_RESOURCE HTTP_URI_STATUS_MISSING_RESOURCE 381 # endif /* !_CUPS_NO_DEPRECATED */ 382 } http_uri_status_t; 383 384 typedef enum http_uri_coding_e /**** URI en/decode flags ****/ 385 { 386 HTTP_URI_CODING_NONE = 0, /* Don't en/decode anything */ 387 HTTP_URI_CODING_USERNAME = 1, /* En/decode the username portion */ 388 HTTP_URI_CODING_HOSTNAME = 2, /* En/decode the hostname portion */ 389 HTTP_URI_CODING_RESOURCE = 4, /* En/decode the resource portion */ 390 HTTP_URI_CODING_MOST = 7, /* En/decode all but the query */ 391 HTTP_URI_CODING_QUERY = 8, /* En/decode the query portion */ 392 HTTP_URI_CODING_ALL = 15, /* En/decode everything */ 393 HTTP_URI_CODING_RFC6874 = 16 /* Use RFC 6874 address format */ 394 } http_uri_coding_t; 395 396 typedef enum http_version_e /**** HTTP version numbers @exclude all@ ****/ 397 { 398 HTTP_VERSION_0_9 = 9, /* HTTP/0.9 */ 399 HTTP_VERSION_1_0 = 100, /* HTTP/1.0 */ 400 HTTP_VERSION_1_1 = 101 /* HTTP/1.1 */ 401 402 # ifndef _CUPS_NO_DEPRECATED 403 # define HTTP_0_9 HTTP_VERSION_0_9 404 # define HTTP_1_0 HTTP_VERSION_1_0 405 # define HTTP_1_1 HTTP_VERSION_1_1 406 # endif /* !_CUPS_NO_DEPRECATED */ 407 } http_version_t; 408 409 typedef union _http_addr_u /**** Socket address union, which 410 **** makes using IPv6 and other 411 **** address types easier and 412 **** more portable. @since CUPS 1.2/macOS 10.5@ 413 ****/ 414 { 415 struct sockaddr addr; /* Base structure for family value */ 416 struct sockaddr_in ipv4; /* IPv4 address */ 417 #ifdef AF_INET6 418 struct sockaddr_in6 ipv6; /* IPv6 address */ 419 #endif /* AF_INET6 */ 420 #ifdef AF_LOCAL 421 struct sockaddr_un un; /* Domain socket file */ 422 #endif /* AF_LOCAL */ 423 char pad[256]; /* Padding to ensure binary compatibility */ 424 } http_addr_t; 425 426 typedef struct http_addrlist_s /**** Socket address list, which is 427 **** used to enumerate all of the 428 **** addresses that are associated 429 **** with a hostname. @since CUPS 1.2/macOS 10.5@ 430 **** @exclude all@ 431 ****/ 432 { 433 struct http_addrlist_s *next; /* Pointer to next address in list */ 434 http_addr_t addr; /* Address */ 435 } http_addrlist_t; 436 437 typedef struct _http_s http_t; /**** HTTP connection type ****/ 438 439 typedef struct http_credential_s /**** HTTP credential data @since CUPS 1.5/macOS 10.7@ @exclude all@ ****/ 440 { 441 void *data; /* Pointer to credential data */ 442 size_t datalen; /* Credential length */ 443 } http_credential_t; 444 445 typedef int (*http_timeout_cb_t)(http_t *http, void *user_data); 446 /**** HTTP timeout callback @since CUPS 1.5/macOS 10.7@ ****/ 447 448 449 450 /* 451 * Prototypes... 452 */ 453 454 extern void httpBlocking(http_t *http, int b); 455 extern int httpCheck(http_t *http); 456 extern void httpClearFields(http_t *http); 457 extern void httpClose(http_t *http); 458 extern http_t *httpConnect(const char *host, int port) 459 _CUPS_DEPRECATED_1_7_MSG("Use httpConnect2 instead."); 460 extern http_t *httpConnectEncrypt(const char *host, int port, 461 http_encryption_t encryption) 462 _CUPS_DEPRECATED_1_7_MSG("Use httpConnect2 instead."); 463 extern int httpDelete(http_t *http, const char *uri); 464 extern int httpEncryption(http_t *http, http_encryption_t e); 465 extern int httpError(http_t *http); 466 extern void httpFlush(http_t *http); 467 extern int httpGet(http_t *http, const char *uri); 468 extern char *httpGets(char *line, int length, http_t *http); 469 extern const char *httpGetDateString(time_t t); 470 extern time_t httpGetDateTime(const char *s); 471 extern const char *httpGetField(http_t *http, http_field_t field); 472 extern struct hostent *httpGetHostByName(const char *name); 473 extern char *httpGetSubField(http_t *http, http_field_t field, 474 const char *name, char *value); 475 extern int httpHead(http_t *http, const char *uri); 476 extern void httpInitialize(void); 477 extern int httpOptions(http_t *http, const char *uri); 478 extern int httpPost(http_t *http, const char *uri); 479 extern int httpPrintf(http_t *http, const char *format, ...) 480 __attribute__ ((__format__ (__printf__, 2, 3))); 481 extern int httpPut(http_t *http, const char *uri); 482 extern int httpRead(http_t *http, char *buffer, int length) _CUPS_DEPRECATED_MSG("Use httpRead2 instead."); 483 extern int httpReconnect(http_t *http) _CUPS_DEPRECATED_1_6_MSG("Use httpReconnect2 instead."); 484 extern void httpSeparate(const char *uri, char *method, 485 char *username, char *host, int *port, 486 char *resource) _CUPS_DEPRECATED_MSG("Use httpSeparateURI instead."); 487 extern void httpSetField(http_t *http, http_field_t field, 488 const char *value); 489 extern const char *httpStatus(http_status_t status); 490 extern int httpTrace(http_t *http, const char *uri); 491 extern http_status_t httpUpdate(http_t *http); 492 extern int httpWrite(http_t *http, const char *buffer, int length) _CUPS_DEPRECATED_MSG("Use httpWrite2 instead."); 493 extern char *httpEncode64(char *out, const char *in) _CUPS_DEPRECATED_MSG("Use httpEncode64_2 instead."); 494 extern char *httpDecode64(char *out, const char *in) _CUPS_DEPRECATED_MSG("Use httpDecode64_2 instead."); 495 extern int httpGetLength(http_t *http) _CUPS_DEPRECATED_MSG("Use httpGetLength2 instead."); 496 extern char *httpMD5(const char *, const char *, const char *, 497 char [33]); 498 extern char *httpMD5Final(const char *, const char *, const char *, 499 char [33]); 500 extern char *httpMD5String(const unsigned char *, char [33]); 501 502 /**** New in CUPS 1.1.19 ****/ 503 extern void httpClearCookie(http_t *http) _CUPS_API_1_1_19; 504 extern const char *httpGetCookie(http_t *http) _CUPS_API_1_1_19; 505 extern void httpSetCookie(http_t *http, const char *cookie) _CUPS_API_1_1_19; 506 extern int httpWait(http_t *http, int msec) _CUPS_API_1_1_19; 507 508 /**** New in CUPS 1.1.21 ****/ 509 extern char *httpDecode64_2(char *out, int *outlen, const char *in) _CUPS_API_1_1_21; 510 extern char *httpEncode64_2(char *out, int outlen, const char *in, 511 int inlen) _CUPS_API_1_1_21; 512 extern void httpSeparate2(const char *uri, 513 char *method, int methodlen, 514 char *username, int usernamelen, 515 char *host, int hostlen, int *port, 516 char *resource, int resourcelen) _CUPS_DEPRECATED_MSG("Use httpSeparateURI instead."); 517 518 /**** New in CUPS 1.2/macOS 10.5 ****/ 519 extern int httpAddrAny(const http_addr_t *addr) _CUPS_API_1_2; 520 extern http_addrlist_t *httpAddrConnect(http_addrlist_t *addrlist, int *sock) _CUPS_API_1_2; 521 extern int httpAddrEqual(const http_addr_t *addr1, 522 const http_addr_t *addr2) _CUPS_API_1_2; 523 extern void httpAddrFreeList(http_addrlist_t *addrlist) _CUPS_API_1_2; 524 extern http_addrlist_t *httpAddrGetList(const char *hostname, int family, 525 const char *service) _CUPS_API_1_2; 526 extern int httpAddrLength(const http_addr_t *addr) _CUPS_API_1_2; 527 extern int httpAddrLocalhost(const http_addr_t *addr) _CUPS_API_1_2; 528 extern char *httpAddrLookup(const http_addr_t *addr, 529 char *name, int namelen) _CUPS_API_1_2; 530 extern char *httpAddrString(const http_addr_t *addr, 531 char *s, int slen) _CUPS_API_1_2; 532 extern http_uri_status_t httpAssembleURI(http_uri_coding_t encoding, 533 char *uri, int urilen, 534 const char *scheme, 535 const char *username, 536 const char *host, int port, 537 const char *resource) _CUPS_API_1_2; 538 extern http_uri_status_t httpAssembleURIf(http_uri_coding_t encoding, 539 char *uri, int urilen, 540 const char *scheme, 541 const char *username, 542 const char *host, int port, 543 const char *resourcef, ...) _CUPS_API_1_2; 544 extern int httpFlushWrite(http_t *http) _CUPS_API_1_2; 545 extern int httpGetBlocking(http_t *http) _CUPS_API_1_2; 546 extern const char *httpGetDateString2(time_t t, char *s, int slen) _CUPS_API_1_2; 547 extern int httpGetFd(http_t *http) _CUPS_API_1_2; 548 extern const char *httpGetHostname(http_t *http, char *s, int slen) _CUPS_API_1_2; 549 extern off_t httpGetLength2(http_t *http) _CUPS_API_1_2; 550 extern http_status_t httpGetStatus(http_t *http) _CUPS_API_1_2; 551 extern char *httpGetSubField2(http_t *http, http_field_t field, 552 const char *name, char *value, 553 int valuelen) _CUPS_API_1_2; 554 extern ssize_t httpRead2(http_t *http, char *buffer, size_t length) _CUPS_API_1_2; 555 extern http_uri_status_t httpSeparateURI(http_uri_coding_t decoding, 556 const char *uri, 557 char *scheme, int schemelen, 558 char *username, int usernamelen, 559 char *host, int hostlen, int *port, 560 char *resource, int resourcelen) _CUPS_API_1_2; 561 extern void httpSetExpect(http_t *http, http_status_t expect) _CUPS_API_1_2; 562 extern void httpSetLength(http_t *http, size_t length) _CUPS_API_1_2; 563 extern ssize_t httpWrite2(http_t *http, const char *buffer, 564 size_t length) _CUPS_API_1_2; 565 566 /**** New in CUPS 1.3/macOS 10.5 ****/ 567 extern char *httpGetAuthString(http_t *http) _CUPS_API_1_3; 568 extern void httpSetAuthString(http_t *http, const char *scheme, 569 const char *data) _CUPS_API_1_3; 570 571 /**** New in CUPS 1.5/macOS 10.7 ****/ 572 extern int httpAddCredential(cups_array_t *credentials, 573 const void *data, size_t datalen) 574 _CUPS_API_1_5; 575 extern int httpCopyCredentials(http_t *http, 576 cups_array_t **credentials) 577 _CUPS_API_1_5; 578 extern void httpFreeCredentials(cups_array_t *certs) _CUPS_API_1_5; 579 extern int httpSetCredentials(http_t *http, cups_array_t *certs) 580 _CUPS_API_1_5; 581 extern void httpSetTimeout(http_t *http, double timeout, 582 http_timeout_cb_t cb, void *user_data) 583 _CUPS_API_1_5; 584 585 /**** New in CUPS 1.6/macOS 10.8 ****/ 586 extern http_addrlist_t *httpAddrConnect2(http_addrlist_t *addrlist, int *sock, 587 int msec, int *cancel) 588 _CUPS_API_1_6; 589 extern http_state_t httpGetState(http_t *http) _CUPS_API_1_6; 590 extern http_version_t httpGetVersion(http_t *http) _CUPS_API_1_6; 591 extern int httpReconnect2(http_t *http, int msec, int *cancel) 592 _CUPS_API_1_6; 593 594 595 /**** New in CUPS 1.7/macOS 10.9 ****/ 596 extern http_t *httpAcceptConnection(int fd, int blocking) 597 _CUPS_API_1_7; 598 extern http_addrlist_t *httpAddrCopyList(http_addrlist_t *src) _CUPS_API_1_7; 599 extern int httpAddrListen(http_addr_t *addr, int port) 600 _CUPS_API_1_7; 601 extern int httpAddrPort(http_addr_t *addr) _CUPS_API_1_7; 602 extern char *httpAssembleUUID(const char *server, int port, 603 const char *name, int number, 604 char *buffer, size_t bufsize) 605 _CUPS_API_1_7; 606 extern http_t *httpConnect2(const char *host, int port, 607 http_addrlist_t *addrlist, 608 int family, http_encryption_t encryption, 609 int blocking, int msec, int *cancel) 610 _CUPS_API_1_7; 611 extern const char *httpGetContentEncoding(http_t *http) _CUPS_API_1_7; 612 extern http_status_t httpGetExpect(http_t *http) _CUPS_API_1_7; 613 extern ssize_t httpPeek(http_t *http, char *buffer, size_t length) 614 _CUPS_API_1_7; 615 extern http_state_t httpReadRequest(http_t *http, char *resource, 616 size_t resourcelen) _CUPS_API_1_7; 617 extern void httpSetDefaultField(http_t *http, http_field_t field, 618 const char *value) _CUPS_API_1_7; 619 extern http_state_t httpWriteResponse(http_t *http, 620 http_status_t status) _CUPS_API_1_7; 621 622 /* New in CUPS 2.0/macOS 10.10 */ 623 extern int httpAddrClose(http_addr_t *addr, int fd) _CUPS_API_2_0; 624 extern int httpAddrFamily(http_addr_t *addr) _CUPS_API_2_0; 625 extern int httpCompareCredentials(cups_array_t *cred1, cups_array_t *cred2) _CUPS_API_2_0; 626 extern int httpCredentialsAreValidForName(cups_array_t *credentials, const char *common_name); 627 extern time_t httpCredentialsGetExpiration(cups_array_t *credentials) _CUPS_API_2_0; 628 extern http_trust_t httpCredentialsGetTrust(cups_array_t *credentials, const char *common_name) _CUPS_API_2_0; 629 extern size_t httpCredentialsString(cups_array_t *credentials, char *buffer, size_t bufsize) _CUPS_API_2_0; 630 extern http_field_t httpFieldValue(const char *name) _CUPS_API_2_0; 631 extern time_t httpGetActivity(http_t *http) _CUPS_API_2_0; 632 extern http_addr_t *httpGetAddress(http_t *http) _CUPS_API_2_0; 633 extern http_encryption_t httpGetEncryption(http_t *http) _CUPS_API_2_0; 634 extern http_keepalive_t httpGetKeepAlive(http_t *http) _CUPS_API_2_0; 635 extern size_t httpGetPending(http_t *http) _CUPS_API_2_0; 636 extern size_t httpGetReady(http_t *http) _CUPS_API_2_0; 637 extern size_t httpGetRemaining(http_t *http) _CUPS_API_2_0; 638 extern int httpIsChunked(http_t *http) _CUPS_API_2_0; 639 extern int httpIsEncrypted(http_t *http) _CUPS_API_2_0; 640 extern int httpLoadCredentials(const char *path, cups_array_t **credentials, const char *common_name) _CUPS_API_2_0; 641 extern const char *httpResolveHostname(http_t *http, char *buffer, size_t bufsize) _CUPS_API_2_0; 642 extern int httpSaveCredentials(const char *path, cups_array_t *credentials, const char *common_name) _CUPS_API_2_0; 643 extern void httpSetKeepAlive(http_t *http, http_keepalive_t keep_alive) _CUPS_API_2_0; 644 extern void httpShutdown(http_t *http) _CUPS_API_2_0; 645 extern const char *httpStateString(http_state_t state) _CUPS_API_2_0; 646 extern const char *httpURIStatusString(http_uri_status_t status) _CUPS_API_2_0; 647 648 /* 649 * C++ magic... 650 */ 651 652 # ifdef __cplusplus 653 } 654 # endif /* __cplusplus */ 655 #endif /* !_CUPS_HTTP_H_ */ 656
