Annotation of libwww/Library/src/HTTP.c, revision 1.144
1.74 frystyk 1: /* HTTP.c
2: ** MULTITHREADED IMPLEMENTATION OF HTTP CLIENT
1.2 timbl 3: **
1.84 frystyk 4: ** (c) COPYRIGHT MIT 1995.
1.74 frystyk 5: ** Please first read the full copyright statement in the file COPYRIGH.
1.144 ! frystyk 6: ** @(#) $Id: HTTP.c,v 1.143 1996年12月05日 01:16:25 frystyk Exp $
1.74 frystyk 7: **
8: ** This module implments the HTTP protocol as a state machine
1.55 frystyk 9: **
10: ** History:
1.59 frystyk 11: ** < May 24 94 ?? Unknown - but obviously written
1.56 frystyk 12: ** May 24 94 HF Made reentrent and cleaned up a bit. Implemented
13: ** Forward, redirection, error handling and referer field
1.67 duns 14: ** 8 Jul 94 FM Insulate free() from _free structure element.
1.71 frystyk 15: ** Jul 94 HFN Written on top of HTTP.c, Henrik Frystyk
1.55 frystyk 16: **
1.1 timbl 17: */
18:
1.78 frystyk 19: /* Library include files */
1.119 frystyk 20: #include "sysdep.h"
1.123 frystyk 21: #include "WWWUtil.h"
22: #include "WWWCore.h"
23: #include "WWWMIME.h"
24: #include "WWWStream.h"
1.125 frystyk 25: #include "WWWTrans.h"
1.94 frystyk 26: #include "HTReqMan.h"
1.95 frystyk 27: #include "HTNetMan.h"
1.109 frystyk 28: #include "HTTPUtil.h"
1.80 frystyk 29: #include "HTTPReq.h"
1.55 frystyk 30: #include "HTTP.h" /* Implements */
31:
32: /* Macros and other defines */
1.94 frystyk 33: #ifndef HTTP_PORT
34: #define HTTP_PORT 80 /* Allocated to http by Jon Postel/ISI 24-Jan-92 */
35: #endif
36:
1.71 frystyk 37: #define PUTC(c) (*me->target->isa->put_character)(me->target, c)
38: #define PUTS(s) (*me->target->isa->put_string)(me->target, s)
39: #define PUTBLOCK(b, l) (*me->target->isa->put_block)(me->target, b, l)
40: #define FREE_TARGET (*me->target->isa->_free)(me->target)
1.74 frystyk 41: #define ABORT_TARGET (*me->target->isa->abort)(me->target, e)
1.2 timbl 42:
1.140 frystyk 43: #define HTTP_DUMP
44:
45: #ifdef HTTP_DUMP
1.139 frystyk 46: #define HTTP_OUTPUT "w3chttp.out"
1.140 frystyk 47: PRIVATE FILE * htfp = NULL;
48: #endif
1.139 frystyk 49:
1.59 frystyk 50: /* Type definitions and global variables etc. local to this module */
1.94 frystyk 51:
52: /* Final states have negative value */
1.59 frystyk 53: typedef enum _HTTPState {
1.141 frystyk 54: HTTP_RECOVER_PIPE = -3,
1.134 frystyk 55: HTTP_ERROR = -2,
56: HTTP_OK = -1,
1.71 frystyk 57: HTTP_BEGIN = 0,
1.144 ! frystyk 58: HTTP_NEED_STREAM,
1.141 frystyk 59: HTTP_CONNECTED
1.59 frystyk 60: } HTTPState;
1.55 frystyk 61:
1.94 frystyk 62: /* This is the context structure for the this module */
1.55 frystyk 63: typedef struct _http_info {
1.81 frystyk 64: HTTPState state; /* Current State of the connection */
65: HTTPState next; /* Next state */
1.134 frystyk 66: int result; /* Result to report to the after filter */
1.139 frystyk 67: BOOL lock; /* Block for writing */
1.141 frystyk 68: HTNet * net;
1.55 frystyk 69: } http_info;
70:
1.88 frystyk 71: #define MAX_STATUS_LEN 100 /* Max nb of chars to check StatusLine */
1.55 frystyk 72:
1.71 frystyk 73: struct _HTStream {
1.119 frystyk 74: const HTStreamClass * isa;
1.71 frystyk 75: HTStream * target;
76: HTRequest * request;
77: http_info * http;
1.121 frystyk 78: HTEOLState state;
1.71 frystyk 79: BOOL transparent;
1.81 frystyk 80: char * version; /* Should we save this? */
1.71 frystyk 81: int status;
1.81 frystyk 82: char * reason;
1.71 frystyk 83: char buffer[MAX_STATUS_LEN+1];
1.80 frystyk 84: int buflen;
1.71 frystyk 85: };
1.21 luotonen 86:
1.123 frystyk 87: struct _HTInputStream {
88: const HTInputStreamClass * isa;
89: };
90:
1.71 frystyk 91: /* ------------------------------------------------------------------------- */
92: /* Help Functions */
93: /* ------------------------------------------------------------------------- */
1.21 luotonen 94:
1.94 frystyk 95: /* HTTPCleanup
96: ** -----------
1.55 frystyk 97: ** This function closes the connection and frees memory.
1.94 frystyk 98: ** Returns YES on OK, else NO
1.1 timbl 99: */
1.94 frystyk 100: PRIVATE int HTTPCleanup (HTRequest *req, int status)
1.1 timbl 101: {
1.126 frystyk 102: HTNet * net = HTRequest_net(req);
103: http_info * http = (http_info *) HTNet_context(net);
104: HTStream * input = HTRequest_inputStream(req);
1.80 frystyk 105:
1.144 ! frystyk 106: if (PROT_TRACE)
! 107: HTTrace("HTTP Clean.. Called with status %d, net %p\n", status, net);
! 108:
1.94 frystyk 109: /* Free stream with data TO network */
1.112 frystyk 110: if (HTRequest_isDestination(req))
111: HTRequest_removeDestination(req);
1.126 frystyk 112: else if (input) {
1.94 frystyk 113: if (status == HT_INTERRUPTED)
1.126 frystyk 114: (*input->isa->abort)(input, NULL);
1.94 frystyk 115: else
1.126 frystyk 116: (*input->isa->_free)(input);
117: HTRequest_setInputStream(req, NULL);
1.94 frystyk 118: }
1.88 frystyk 119:
1.140 frystyk 120: #ifdef HTTP_DUMP
121: if (htfp) {
122: fclose(htfp);
123: htfp = NULL;
124: }
125: #endif
126:
1.144 ! frystyk 127: /*
! 128: ** Remove the request object and our own context structure for http.
! 129: */
! 130: if (status != HT_RECOVER_PIPE) {
! 131: HTNet_delete(net, status);
1.141 frystyk 132: HT_FREE(http);
133: }
1.94 frystyk 134: return YES;
1.55 frystyk 135: }
136:
1.71 frystyk 137: /*
1.130 frystyk 138: ** Informational 1xx codes are handled separately
1.136 frystyk 139: ** Returns YES if we should continue, NO if we should stop
1.55 frystyk 140: */
1.130 frystyk 141: PRIVATE BOOL HTTPInformation (HTStream * me)
1.55 frystyk 142: {
1.136 frystyk 143: http_info * http = me->http;
1.71 frystyk 144: switch (me->status) {
145:
1.136 frystyk 146: case 100:
147: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_CONTINUE,
148: me->reason, (int) strlen(me->reason),
149: "HTTPInformation");
150: return YES;
151: break;
152:
1.130 frystyk 153: case 101:
1.136 frystyk 154: /*
155: ** We consider 101 Switching as a final state and exit this request
156: */
1.130 frystyk 157: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_SWITCHING,
1.127 frystyk 158: me->reason, (int) strlen(me->reason),
1.130 frystyk 159: "HTTPInformation");
1.136 frystyk 160: http->next = HTTP_OK;
161: http->result = HT_UPGRADE;
1.127 frystyk 162: break;
163:
1.130 frystyk 164: default:
1.136 frystyk 165: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_REPLY,
166: (void *) me->buffer, me->buflen, "HTTPNextState");
167: http->next = HTTP_ERROR;
168: http->result = HT_ERROR;
1.127 frystyk 169: break;
1.130 frystyk 170: }
1.136 frystyk 171: return NO;
1.130 frystyk 172: }
173:
174: /*
175: ** This is a big switch handling all HTTP return codes. It puts in any
176: ** appropiate error message and decides whether we should expect data
177: ** or not.
178: */
179: PRIVATE void HTTPNextState (HTStream * me)
180: {
1.134 frystyk 181: http_info * http = me->http;
1.130 frystyk 182: switch (me->status) {
1.127 frystyk 183:
1.78 frystyk 184: case 0: /* 0.9 response */
1.127 frystyk 185: case 200: /* OK */
186: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_OK,
187: me->reason, (int) strlen(me->reason),
188: "HTTPNextState");
1.134 frystyk 189: http->next = HTTP_OK;
190: http->result = HT_LOADED;
1.112 frystyk 191: break;
192:
1.127 frystyk 193: case 201: /* Created */
1.112 frystyk 194: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_CREATED,
195: me->reason, (int) strlen(me->reason),
196: "HTTPNextState");
1.134 frystyk 197: http->next = HTTP_OK;
198: http->result = HT_CREATED;
1.112 frystyk 199: break;
200:
1.127 frystyk 201: case 202: /* Accepted */
1.112 frystyk 202: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_ACCEPTED,
203: me->reason, (int) strlen(me->reason),
204: "HTTPNextState");
1.134 frystyk 205: http->next = HTTP_OK;
206: http->result = HT_ACCEPTED;
1.112 frystyk 207: break;
208:
1.127 frystyk 209: case 203: /* Non-authoritative information */
210: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_NON_AUTHORITATIVE,
1.112 frystyk 211: me->reason, (int) strlen(me->reason),
212: "HTTPNextState");
1.134 frystyk 213: http->next = HTTP_OK;
214: http->result = HT_LOADED;
1.71 frystyk 215: break;
1.78 frystyk 216:
217: case 204: /* No Response */
1.112 frystyk 218: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_NO_CONTENT,
219: me->reason, (int) strlen(me->reason),
220: "HTTPNextState");
1.134 frystyk 221: http->next = HTTP_OK;
222: http->result = HT_NO_DATA;
223: break;
224:
225: case 205: /* Reset Content */
226: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_RESET,
227: me->reason, (int) strlen(me->reason),
228: "HTTPNextState");
229: http->next = HTTP_OK;
230: http->result = HT_RESET_CONTENT;
231: break;
232:
233: case 206: /* Partial Content */
234: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_PARTIAL,
235: me->reason, (int) strlen(me->reason),
236: "HTTPNextState");
237: http->next = HTTP_OK;
238: http->result = HT_PARTIAL_CONTENT;
239: break;
240:
241: case 300: /* Multiple Choices */
242: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_MULTIPLE,
243: me->reason, (int) strlen(me->reason),
244: "HTTPNextState");
245: http->next = HTTP_OK;
246: http->result = HT_LOADED;
1.71 frystyk 247: break;
1.78 frystyk 248:
1.71 frystyk 249: case 301: /* Moved */
1.112 frystyk 250: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_MOVED,
251: me->reason, (int) strlen(me->reason),
252: "HTTPNextState");
1.134 frystyk 253: http->next = HTTP_ERROR;
254: http->result = HT_PERM_REDIRECT;
1.112 frystyk 255: break;
256:
1.71 frystyk 257: case 302: /* Found */
1.112 frystyk 258: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_FOUND,
259: me->reason, (int) strlen(me->reason),
260: "HTTPNextState");
1.134 frystyk 261: http->next = HTTP_ERROR;
262: http->result = HT_TEMP_REDIRECT;
1.71 frystyk 263: break;
1.55 frystyk 264:
1.71 frystyk 265: case 303: /* Method */
1.107 frystyk 266: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_IMPLEMENTED,
267: me->reason, (int) strlen(me->reason),
268: "HTTPNextState");
1.134 frystyk 269: http->next = HTTP_ERROR;
270: http->result = HT_SEE_OTHER;
1.71 frystyk 271: break;
1.91 frystyk 272:
273: case 304: /* Not Modified */
1.131 frystyk 274: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_NOT_MODIFIED,
1.112 frystyk 275: me->reason, (int) strlen(me->reason),
276: "HTTPNextState");
1.135 frystyk 277: http->next = HTTP_OK;
1.134 frystyk 278: http->result = HT_NOT_MODIFIED;
279: break;
280:
281: case 305: /* Use proxy */
282: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_USE_PROXY,
283: me->reason, (int) strlen(me->reason),
284: "HTTPNextState");
285: http->next = HTTP_ERROR;
286: http->result = HT_USE_PROXY;
1.91 frystyk 287: break;
1.55 frystyk 288:
1.78 frystyk 289: case 400: /* Bad Request */
1.104 frystyk 290: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_REQUEST,
1.100 frystyk 291: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 292: http->next = HTTP_ERROR;
293: http->result = HT_ERROR;
1.71 frystyk 294: break;
1.70 howcome 295:
1.71 frystyk 296: case 401:
1.104 frystyk 297: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_UNAUTHORIZED,
1.100 frystyk 298: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 299: http->next = HTTP_ERROR;
300: http->result = HT_NO_ACCESS;
1.71 frystyk 301: break;
302:
303: case 402: /* Payment required */
1.104 frystyk 304: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_PAYMENT_REQUIRED,
1.100 frystyk 305: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 306: http->next = HTTP_ERROR;
307: http->result = HT_ERROR;
1.71 frystyk 308: break;
1.55 frystyk 309:
1.71 frystyk 310: case 403: /* Forbidden */
1.104 frystyk 311: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_FORBIDDEN,
1.100 frystyk 312: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 313: http->next = HTTP_ERROR;
314: http->result = HT_FORBIDDEN;
1.71 frystyk 315: break;
1.55 frystyk 316:
1.71 frystyk 317: case 404: /* Not Found */
1.104 frystyk 318: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_FOUND,
1.100 frystyk 319: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 320: http->next = HTTP_ERROR;
321: http->result = HT_ERROR;
1.71 frystyk 322: break;
323:
1.78 frystyk 324: case 405: /* Not Allowed */
1.104 frystyk 325: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_ALLOWED,
1.100 frystyk 326: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 327: http->next = HTTP_ERROR;
328: http->result = HT_ERROR;
1.78 frystyk 329: break;
330:
331: case 406: /* None Acceptable */
1.104 frystyk 332: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NONE_ACCEPTABLE,
1.100 frystyk 333: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 334: http->next = HTTP_ERROR;
335: http->result = HT_NOT_ACCEPTABLE;
1.78 frystyk 336: break;
337:
338: case 407: /* Proxy Authentication Required */
1.127 frystyk 339: HTRequest_addError(me->request, ERR_FATAL, NO,HTERR_PROXY_UNAUTHORIZED,
1.100 frystyk 340: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 341: http->next = HTTP_ERROR;
342: http->result = HT_NO_PROXY_ACCESS;
1.78 frystyk 343: break;
344:
345: case 408: /* Request Timeout */
1.104 frystyk 346: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_TIMEOUT,
1.100 frystyk 347: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 348: http->next = HTTP_ERROR;
349: http->result = HT_ERROR;
350: break;
351:
352: case 409: /* Conflict */
353: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_CONFLICT,
354: me->reason, (int) strlen(me->reason), "HTTPNextState");
355: http->next = HTTP_ERROR;
356: http->result = HT_CONFLICT;
357: break;
358:
359: case 410: /* Gone */
360: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_GONE,
361: me->reason, (int) strlen(me->reason), "HTTPNextState");
362: http->next = HTTP_ERROR;
363: http->result = HT_ERROR;
364: break;
365:
366: case 411: /* Length Required */
367: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_LENGTH_REQUIRED,
368: me->reason, (int) strlen(me->reason), "HTTPNextState");
369: http->next = HTTP_ERROR;
370: http->result = HT_LENGTH_REQUIRED;
371: break;
372:
373: case 412: /* Precondition failed */
374: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_PRECON_FAILED,
375: me->reason, (int) strlen(me->reason), "HTTPNextState");
376: http->next = HTTP_ERROR;
377: http->result = HT_ERROR;
378: break;
379:
380: case 413: /* Request entity too large */
381: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_TOO_BIG,
382: me->reason, (int) strlen(me->reason), "HTTPNextState");
383: http->next = HTTP_ERROR;
384: http->result = HT_ERROR;
385: break;
386:
387: case 414: /* Request-URI too long */
388: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_URI_TOO_BIG,
389: me->reason, (int) strlen(me->reason), "HTTPNextState");
390: http->next = HTTP_ERROR;
391: http->result = HT_ERROR;
392: break;
393:
394: case 415: /* Unsupported */
395: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_UNSUPPORTED,
396: me->reason, (int) strlen(me->reason), "HTTPNextState");
397: http->next = HTTP_ERROR;
398: http->result = HT_ERROR;
1.78 frystyk 399: break;
400:
1.71 frystyk 401: case 500:
1.104 frystyk 402: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_INTERNAL,
1.100 frystyk 403: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 404: http->next = HTTP_ERROR;
405: http->result = HT_ERROR;
1.78 frystyk 406: break;
407:
1.71 frystyk 408: case 501:
1.104 frystyk 409: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_IMPLEMENTED,
1.100 frystyk 410: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 411: http->next = HTTP_ERROR;
412: http->result = HT_ERROR;
1.78 frystyk 413: break;
414:
415: case 502:
1.104 frystyk 416: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_GATE,
1.100 frystyk 417: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 418: http->next = HTTP_ERROR;
419: http->result = HT_ERROR;
1.78 frystyk 420: break;
421:
422: case 503:
1.104 frystyk 423: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_DOWN,
1.100 frystyk 424: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 425: http->next = HTTP_ERROR;
1.81 frystyk 426:
1.140 frystyk 427: /*
428: ** If Retry-After header is found then return HT_RETRY else HT_ERROR.
429: ** The caller may want to reissue the request at a later point in time.
430: */
431: {
432: HTResponse * response = HTRequest_response(me->request);
433: if (HTResponse_retryTime(response))
434: http->result = HT_RETRY;
435: else
436: http->result = HT_ERROR;
437: }
1.78 frystyk 438: break;
439:
440: case 504:
1.104 frystyk 441: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_GATE_TIMEOUT,
1.100 frystyk 442: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 443: http->next = HTTP_ERROR;
444: http->result = HT_ERROR;
445: break;
446:
447: case 505: /* Unsupported protocol version */
448: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_VERSION,
449: me->reason, (int) strlen(me->reason), "HTTPNextState");
450: http->next = HTTP_ERROR;
451: http->result = HT_BAD_VERSION;
1.71 frystyk 452: break;
1.78 frystyk 453:
1.71 frystyk 454: default: /* bad number */
1.104 frystyk 455: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_REPLY,
1.100 frystyk 456: (void *) me->buffer, me->buflen, "HTTPNextState");
1.134 frystyk 457: http->next = HTTP_ERROR;
458: http->result = HT_ERROR;
1.71 frystyk 459: break;
1.55 frystyk 460: }
461: }
462:
1.71 frystyk 463: /* ------------------------------------------------------------------------- */
464: /* HTTP Status Line Stream */
465: /* ------------------------------------------------------------------------- */
1.55 frystyk 466:
1.71 frystyk 467: /*
1.141 frystyk 468: ** Analyze the stream we have read. If it is a HTTP 1.0 or higher
1.71 frystyk 469: ** then create a MIME-stream, else create a Guess stream to find out
470: ** what the 0.9 server is sending. We need to copy the buffer as we don't
471: ** know if we can modify the contents or not.
1.78 frystyk 472: **
473: ** Stream handling is a function of the status code returned from the
474: ** server:
475: ** 200: Use `output_stream' in HTRequest structure
1.94 frystyk 476: ** else: Use `debug_stream' in HTRequest structure
1.80 frystyk 477: **
478: ** Return: YES if buffer should be written out. NO otherwise
1.56 frystyk 479: */
1.100 frystyk 480: PRIVATE int stream_pipe (HTStream * me)
1.56 frystyk 481: {
1.136 frystyk 482: HTRequest * request = me->request;
483: HTNet * net = HTRequest_net(request);
1.123 frystyk 484: HTHost * host = HTNet_host(net);
1.141 frystyk 485:
1.80 frystyk 486: if (me->target) {
487: int status = PUTBLOCK(me->buffer, me->buflen);
488: if (status == HT_OK)
489: me->transparent = YES;
490: return status;
1.136 frystyk 491: } else if (HTRequest_isSource(request)&&!HTRequest_outputStream(request)) {
1.88 frystyk 492: /*
493: ** We need to wait for the destinations to get ready
494: */
495: return HT_WOULD_BLOCK;
1.80 frystyk 496: }
1.88 frystyk 497:
1.132 frystyk 498: /*
499: ** Just check for HTTP and not HTTP/ as NCSA server chokes on 1.1 replies
500: ** Thanks to Markku Savela <msa@msa.tte.vtt.fi>
1.141 frystyk 501:
1.132 frystyk 502: */
503: #if 0
1.81 frystyk 504: if (strncasecomp(me->buffer, "http/", 5)) {
1.132 frystyk 505: #else
506: if (strncasecomp(me->buffer, "http", 4)) {
507: #endif
1.80 frystyk 508: int status;
1.136 frystyk 509: HTRequest_addError(request, ERR_INFO, NO, HTERR_HTTP09,
1.80 frystyk 510: (void *) me->buffer, me->buflen, "HTTPStatusStream");
1.136 frystyk 511: me->target = HTStreamStack(WWW_UNKNOWN,
512: HTRequest_outputFormat(request),
513: HTRequest_outputStream(request),
514: request, NO);
1.134 frystyk 515: me->http->next = HTTP_OK;
1.80 frystyk 516: if ((status = PUTBLOCK(me->buffer, me->buflen)) == HT_OK)
517: me->transparent = YES;
1.123 frystyk 518: HTHost_setVersion(host, HTTP_09);
1.80 frystyk 519: return status;
520: } else {
1.140 frystyk 521: HTResponse * response = HTRequest_response(request);
1.133 frystyk 522: char *ptr = me->buffer+4; /* Skip the HTTP part */
1.81 frystyk 523: me->version = HTNextField(&ptr);
1.141 frystyk 524: HTHost_setConsumed(net->host, me->buflen);
1.95 frystyk 525:
1.130 frystyk 526: /* Here we want to find out when to use persistent connection */
1.133 frystyk 527: if (!strncasecomp(me->version, "/1.0", 4)) {
1.128 frystyk 528: if (PROT_TRACE)HTTrace("HTTP Status. This is a HTTP/1.0 server\n");
529: HTHost_setVersion(host, HTTP_10);
1.133 frystyk 530: } else if (!strncasecomp(me->version, "/1.", 3)) { /* 1.x family */
1.128 frystyk 531: HTHost_setVersion(host, HTTP_11);
1.141 frystyk 532: #ifdef HT_MUX
533: HTNet_setPersistent(net, YES, HT_TP_INTERLEAVE);
534: #else
535: HTNet_setPersistent(net, YES, HT_TP_PIPELINE);
536: #endif
1.133 frystyk 537: } else {
538: if (PROT_TRACE)HTTrace("HTTP Status. No 1.x version number - treat it as a HTTP/1.0 server\n");
539: HTHost_setVersion(host, HTTP_10);
1.128 frystyk 540: }
1.95 frystyk 541:
1.81 frystyk 542: me->status = atoi(HTNextField(&ptr));
1.133 frystyk 543: /* Kludge to fix the NCSA server version bug */
544: if (me->status == 0) me->status = atoi(me->version);
545:
1.81 frystyk 546: me->reason = ptr;
547: if ((ptr = strchr(me->reason, '\r')) != NULL) /* Strip \r and \n */
548: *ptr = '0円';
549: else if ((ptr = strchr(me->reason, '\n')) != NULL)
550: *ptr = '0円';
551:
1.130 frystyk 552: /*
553: ** If it is a 1xx code then find out what to do and return until we
554: ** get the next code. In the case of Upgrade we may not get back here
555: ** at all. If we are uploading an entity then continue doing that
556: */
557: if (me->status/100 == 1) {
1.136 frystyk 558: if (HTTPInformation(me) == YES) {
559: me->buflen = 0;
560: me->state = EOL_BEGIN;
561: return HTMethod_hasEntity(HTRequest_method(request)) ?
562: HT_CONTINUE : HT_OK;
1.103 frystyk 563: }
1.56 frystyk 564: }
1.133 frystyk 565:
566: /*
567: ** As we are getting fresh metainformation in the HTTP response,
568: ** we clear the old metainfomation in order not to mix it with the new
569: ** one. This is particularly important for the content-length and the
1.139 frystyk 570: ** like. The TRACE and OPTIONS method just adds to the current
571: ** metainformation so in that case we don't clear the anchor.
1.133 frystyk 572: */
1.136 frystyk 573: if (me->status==200 || me->status==203 || me->status==300) {
1.140 frystyk 574: /*
575: ** 200, 203 and 300 are all fully cacheable responses. No byte
576: ** ranges or anything else make life hard in this case.
577: */
578: HTResponse_setCachable(response, YES);
1.136 frystyk 579: me->target = HTStreamStack(WWW_MIME,
580: HTRequest_outputFormat(request),
581: HTRequest_outputStream(request),
582: request, NO);
1.140 frystyk 583: } else if (me->status==206) {
584: /*
585: ** We got a partial response and now we must check whether
586: ** we issued a cache If-Range request or it was a new
587: ** partial response which we don't have in cache. In the latter
588: ** case, we don't cache the object and in the former we append
589: ** the result to the already existing cache entry.
590: */
591: HTReload reload = HTRequest_reloadMode(request);
592: if (reload == HT_CACHE_RANGE_VALIDATE) {
593: HTResponse_setCachable(response, YES);
594: me->target = HTStreamStack(WWW_MIME_PART,
595: HTRequest_outputFormat(request),
596: HTRequest_outputStream(request),
597: request, NO);
598: } else {
599: me->target = HTStreamStack(WWW_MIME,
600: HTRequest_outputFormat(request),
601: HTRequest_outputStream(request),
602: request, NO);
603: }
1.139 frystyk 604: } else if (me->status==204 || me->status==304) {
1.140 frystyk 605: HTResponse_setCachable(response, YES);
1.136 frystyk 606: me->target = HTStreamStack(WWW_MIME_HEAD,
607: HTRequest_debugFormat(request),
608: HTRequest_debugStream(request),
609: request, NO);
610: } else if (HTRequest_debugStream(request)) {
611: me->target = HTStreamStack(WWW_MIME,
612: HTRequest_debugFormat(request),
613: HTRequest_debugStream(request),
614: request, NO);
615: } else {
1.140 frystyk 616: /*
617: ** We still need to parse the MIME part in order to find any
618: ** valuable meta information which is needed from the response.
619: */
1.136 frystyk 620: me->target = HTStreamStack(WWW_MIME,
621: HTRequest_debugFormat(request),
622: HTRequest_debugStream(request),
623: request, NO);
1.133 frystyk 624: }
1.56 frystyk 625: }
1.113 frystyk 626: if (!me->target) me->target = HTErrorStream();
1.81 frystyk 627: HTTPNextState(me); /* Get next state */
1.80 frystyk 628: me->transparent = YES;
629: return HT_OK;
1.71 frystyk 630: }
1.56 frystyk 631:
1.80 frystyk 632: /*
633: ** Searches for HTTP header line until buffer fills up or a CRLF or LF
634: ** is found
635: */
1.119 frystyk 636: PRIVATE int HTTPStatus_put_block (HTStream * me, const char * b, int l)
1.71 frystyk 637: {
1.80 frystyk 638: while (!me->transparent && l-- > 0) {
639: int status;
640: if (me->target) {
641: if ((status = stream_pipe(me)) != HT_OK)
642: return status;
643: } else {
644: *(me->buffer+me->buflen++) = *b;
645: if (me->state == EOL_FCR) {
646: if (*b == LF) { /* Line found */
647: if ((status = stream_pipe(me)) != HT_OK)
648: return status;
649: } else {
650: me->state = EOL_BEGIN;
651: }
652: } else if (*b == CR) {
653: me->state = EOL_FCR;
654: } else if (*b == LF) {
655: if ((status = stream_pipe(me)) != HT_OK)
656: return status;
1.71 frystyk 657: } else {
1.80 frystyk 658: if (me->buflen >= MAX_STATUS_LEN) {
659: if ((status = stream_pipe(me)) != HT_OK)
660: return status;
661: }
1.71 frystyk 662: }
1.80 frystyk 663: b++;
1.71 frystyk 664: }
1.56 frystyk 665: }
1.99 frystyk 666: if (l > 0) return PUTBLOCK(b, l);
667: return HT_OK;
1.56 frystyk 668: }
669:
1.119 frystyk 670: PRIVATE int HTTPStatus_put_string (HTStream * me, const char * s)
1.71 frystyk 671: {
1.80 frystyk 672: return HTTPStatus_put_block(me, s, (int) strlen(s));
1.71 frystyk 673: }
1.56 frystyk 674:
1.100 frystyk 675: PRIVATE int HTTPStatus_put_character (HTStream * me, char c)
1.71 frystyk 676: {
1.80 frystyk 677: return HTTPStatus_put_block(me, &c, 1);
678: }
679:
1.100 frystyk 680: PRIVATE int HTTPStatus_flush (HTStream * me)
1.80 frystyk 681: {
682: return (*me->target->isa->flush)(me->target);
1.71 frystyk 683: }
684:
1.100 frystyk 685: PRIVATE int HTTPStatus_free (HTStream * me)
1.71 frystyk 686: {
1.87 frystyk 687: int status = HT_OK;
688: if (me->target) {
689: if ((status = (*me->target->isa->_free)(me->target))==HT_WOULD_BLOCK)
690: return HT_WOULD_BLOCK;
691: }
1.115 frystyk 692: HT_FREE(me);
1.100 frystyk 693: return status;
1.71 frystyk 694: }
695:
1.104 frystyk 696: PRIVATE int HTTPStatus_abort (HTStream * me, HTList * e)
1.71 frystyk 697: {
698: if (me->target)
1.74 frystyk 699: ABORT_TARGET;
1.115 frystyk 700: HT_FREE(me);
1.74 frystyk 701: if (PROT_TRACE)
1.116 eric 702: HTTrace("HTTPStatus.. ABORTING...\n");
1.80 frystyk 703: return HT_ERROR;
1.71 frystyk 704: }
705:
706: /* HTTPStatus Stream
707: ** -----------------
708: */
1.119 frystyk 709: PRIVATE const HTStreamClass HTTPStatusClass =
1.71 frystyk 710: {
711: "HTTPStatus",
1.80 frystyk 712: HTTPStatus_flush,
1.71 frystyk 713: HTTPStatus_free,
714: HTTPStatus_abort,
715: HTTPStatus_put_character,
716: HTTPStatus_put_string,
717: HTTPStatus_put_block
718: };
719:
1.113 frystyk 720: PUBLIC HTStream * HTTPStatus_new (HTRequest * request,
721: void * param,
722: HTFormat input_format,
723: HTFormat output_format,
724: HTStream * output_stream)
1.71 frystyk 725: {
1.115 frystyk 726: HTStream * me;
727: if ((me = (HTStream *) HT_CALLOC(1, sizeof(HTStream))) == NULL)
728: HT_OUTOFMEM("HTTPStatus_new");
1.71 frystyk 729: me->isa = &HTTPStatusClass;
1.113 frystyk 730: if (request) {
1.126 frystyk 731: HTNet * net = HTRequest_net(request);
1.125 frystyk 732: /* Get existing copy */
733: http_info * http = (http_info *) HTNet_context(net);
1.113 frystyk 734: me->request = request;
735: me->http = http;
736: http->next = HTTP_ERROR;
737: me->state = EOL_BEGIN;
738: return me;
739: } else
740: return HTErrorStream();
1.71 frystyk 741: }
742:
743: /* ------------------------------------------------------------------------- */
744:
745: /* Load Document from HTTP Server HTLoadHTTP
1.55 frystyk 746: ** ==============================
747: **
748: ** Given a hypertext address, this routine loads a document.
749: **
750: ** On entry,
751: ** request This is the request structure
1.94 frystyk 752: ** returns HT_ERROR Error has occured in call back
753: ** HT_OK Call back was OK
1.55 frystyk 754: */
1.141 frystyk 755: PRIVATE int HTTPEvent (SOCKET soc, void * pVoid, HTEventType type);
756:
757: PUBLIC int HTLoadHTTP (SOCKET soc, HTRequest * request)
1.55 frystyk 758: {
759: http_info *http; /* Specific protocol information */
1.112 frystyk 760: HTParentAnchor *anchor = HTRequest_anchor(request);
1.141 frystyk 761: HTNet * net = HTRequest_net(request);
1.112 frystyk 762:
1.94 frystyk 763: /*
764: ** Initiate a new http structure and bind to request structure
765: ** This is actually state HTTP_BEGIN, but it can't be in the state
766: ** machine as we need the structure first.
767: */
1.141 frystyk 768: if (PROT_TRACE) HTTrace("HTTP........ Looking for `%s\'\n",
769: HTAnchor_physical(anchor));
770: if ((http = (http_info *) HT_CALLOC(1, sizeof(http_info))) == NULL)
771: HT_OUTOFMEM("HTLoadHTTP");
772: http->net = net;
773: HTNet_setContext(net, http);
774: HTNet_setEventCallback(net, HTTPEvent);
775: HTNet_setEventParam(net, http); /* callbacks get http* */
776:
777: return HTTPEvent(soc, http, HTEvent_BEGIN); /* get it started - ops is ignored */
778: }
779:
780: PRIVATE int HTTPEvent (SOCKET soc, void * pVoid, HTEventType type)
781: {
782: http_info * http = (http_info *)pVoid;
783: int status = HT_ERROR;
784: HTNet * net = http->net;
785: HTRequest * request = HTNet_request(net);
1.144 ! frystyk 786: HTParentAnchor * anchor = HTRequest_anchor(request);
! 787: HTHost * host = HTNet_host(net);
1.141 frystyk 788:
789: /*
790: ** Check whether we have been interrupted
791: */
792: if (type == HTEvent_BEGIN) {
1.134 frystyk 793: http->next = HTTP_OK;
794: http->result = HT_ERROR;
1.141 frystyk 795: } else if (type == HTEvent_CLOSE) {
1.112 frystyk 796: HTRequest_addError(request, ERR_FATAL, NO, HTERR_INTERRUPTED,
797: NULL, 0, "HTLoadHTTP");
798: HTTPCleanup(request, HT_INTERRUPTED);
1.94 frystyk 799: return HT_OK;
1.141 frystyk 800: } else if (type == HTEvent_END) {
801: HTTPCleanup(request, http->result);
802: return HT_OK;
803: } else if (type == HTEvent_RESET) {
804: if (HTRequest_isPostWeb(request)) {
805: if (HTRequest_isDestination(request)) {
806: HTRequest * source = HTRequest_source(request);
807: HTLink *link =
808: HTLink_find((HTAnchor *)HTRequest_anchor(source),
809: (HTAnchor *) anchor);
810: HTLink_setResult(link, HT_LINK_ERROR);
811: }
812: HTRequest_killPostWeb(request);
813: }
814: HTTPCleanup(request, HT_RECOVER_PIPE);
1.144 ! frystyk 815: http->state = HTTP_NEED_STREAM;
1.141 frystyk 816: return HT_OK;
817: }
818:
1.71 frystyk 819: /* Now jump into the machine. We know the state from the previous run */
820: while (1) {
821: switch (http->state) {
1.134 frystyk 822: case HTTP_BEGIN:
1.144 ! frystyk 823: status = HTHost_connect(host, net, HTAnchor_physical(anchor), HTTP_PORT);
! 824: host = HTNet_host(net);
1.80 frystyk 825: if (status == HT_OK) {
1.140 frystyk 826:
1.123 frystyk 827: /*
1.140 frystyk 828: ** Check the protocol class to see if we have connected to a
829: ** the right class of server, in this case HTTP. If we don't
830: ** know the server then assume a HTTP/1.0
1.123 frystyk 831: */
832: {
833: char * s_class = HTHost_class(host);
1.140 frystyk 834: if (!s_class) {
835: if (HTRequest_proxy(request) == NULL)
836: HTRequest_addConnection(request, "Keep-Alive", "");
837: HTHost_setClass(host, "http");
838: } else if (strcasecomp(s_class, "http")) {
1.123 frystyk 839: HTRequest_addError(request, ERR_FATAL, NO, HTERR_CLASS,
840: NULL, 0, "HTLoadHTTP");
841: http->state = HTTP_ERROR;
842: break;
843: }
1.95 frystyk 844: }
1.144 ! frystyk 845: http->state = HTTP_NEED_STREAM;
! 846: } else if (status == HT_WOULD_BLOCK || status == HT_PENDING)
! 847: return HT_OK;
! 848: else
! 849: http->state = HTTP_ERROR; /* Error or interrupt */
! 850: break;
! 851:
! 852: case HTTP_NEED_STREAM:
1.138 frystyk 853:
1.144 ! frystyk 854: #if 0
! 855: HTChannel_upSemaphore(host->channel);
! 856: #endif
! 857:
! 858: /*
! 859: ** Create the stream pipe FROM the channel to the application.
! 860: ** The target for the input stream pipe is set up using the
! 861: ** stream stack.
! 862: */
! 863: {
! 864: HTStream *me=HTStreamStack(WWW_HTTP,
! 865: HTRequest_outputFormat(request),
! 866: HTRequest_outputStream(request),
! 867: request, YES);
! 868: HTNet_setReadStream(net, me);
! 869: HTRequest_setOutputConnected(request, YES);
! 870: }
1.127 frystyk 871:
1.144 ! frystyk 872: /*
! 873: ** Create the stream pipe TO the channel from the application
! 874: ** and hook it up to the request object
! 875: */
! 876: {
! 877: HTChannel * channel = HTHost_channel(host);
! 878: HTOutputStream * output = HTChannel_getChannelOStream(channel);
! 879: int version = HTHost_version(host);
! 880: HTStream * app = NULL;
! 881:
1.123 frystyk 882: /*
1.144 ! frystyk 883: ** Instead of calling this directly we could have a
! 884: ** stream stack builder on the output stream as well
1.123 frystyk 885: */
1.141 frystyk 886: #ifdef HT_MUX
1.144 ! frystyk 887: output = (HTOutputStream *)
! 888: HTBuffer_new(HTMuxWriter_new(host, net, output), request, 512);
1.141 frystyk 889: #endif
890:
1.139 frystyk 891: #ifdef HTTP_DUMP
1.144 ! frystyk 892: if (PROT_TRACE) {
! 893: if ((htfp = fopen(HTTP_OUTPUT, "ab"))) {
! 894: output = (HTOutputStream *)
! 895: HTTee((HTStream *) output,
! 896: HTFWriter_new(request, htfp, YES), NULL);
! 897: HTTrace("HTTP........ Dumping request to `%s\'\n",
! 898: HTTP_OUTPUT);
! 899: }
! 900: }
1.139 frystyk 901: #endif /* HTTP_DUMP */
1.144 ! frystyk 902: app = HTMethod_hasEntity(HTRequest_method(request)) ?
! 903: HTMIMERequest_new(request,
! 904: HTTPRequest_new(request, (HTStream *) output, NO,
! 905: version),
! 906: YES) :
! 907: HTTPRequest_new(request, (HTStream *) output, YES, version);
! 908: HTRequest_setInputStream(request, app);
! 909: }
1.88 frystyk 910:
1.144 ! frystyk 911: /*
! 912: ** Set up concurrent read/write if this request isn't the
! 913: ** source for a PUT or POST. As source we don't start reading
! 914: ** before all destinations are ready. If destination then
! 915: ** register the input stream and get ready for read
! 916: */
! 917: if (HTRequest_isDestination(request)) {
! 918: HTHost_register(host, net, HTEvent_READ);
! 919: HTRequest_linkDestination(request);
! 920: }
! 921: http->state = HTTP_CONNECTED;
! 922: type = HTEvent_WRITE; /* fresh, so try a write */
1.71 frystyk 923: break;
924:
1.87 frystyk 925: /* As we can do simultanous read and write this is now one state */
1.141 frystyk 926: case HTTP_CONNECTED:
927: if (type == HTEvent_WRITE) {
928: if (HTRequest_isDestination(request)) {
929: HTRequest * source = HTRequest_source(request);
930: HTNet * srcnet = HTRequest_net(source);
931: if (srcnet) {
932: HTHost_register(srcnet->host, srcnet, HTEvent_READ);
933: HTHost_unregister(srcnet->host, srcnet, HTEvent_WRITE);
934: }
935: return HT_OK;
936: }
1.126 frystyk 937:
938: /*
939: ** Should we use the input stream directly or call the post
940: ** callback function to send data down to the network?
941: */
942: {
943: HTStream * input = HTRequest_inputStream(request);
944: HTPostCallback * pcbf = HTRequest_postCallback(request);
1.131 frystyk 945: if (pcbf) {
1.139 frystyk 946: if (http->lock)
947: return HT_OK;
948: else {
1.141 frystyk 949: status = (*pcbf)(request, input);
1.140 frystyk 950: if (status == HT_PAUSE || status == HT_LOADED) {
1.141 frystyk 951: type = HTEvent_READ;
1.139 frystyk 952: http->lock = YES;
1.141 frystyk 953: } else if (status==HT_CLOSED)
954: http->state = HTTP_RECOVER_PIPE;
955: else if (status == HT_ERROR) {
1.139 frystyk 956: http->result = HT_INTERRUPTED;
957: http->state = HTTP_ERROR;
958: break;
959: }
960: }
1.131 frystyk 961: } else {
1.142 frystyk 962: /*
963: ** Check to see if we can start a new request
964: ** pending in the host object.
965: */
1.144 ! frystyk 966: HTHost_launchPending(host);
1.142 frystyk 967: status = HTRequest_flush(request) ?
1.144 ! frystyk 968: HTHost_forceFlush(host) : (*input->isa->flush)(input);
1.141 frystyk 969: type = HTEvent_READ;
1.131 frystyk 970: }
971: if (status == HT_WOULD_BLOCK) return HT_OK;
1.126 frystyk 972: }
1.141 frystyk 973: } else if (type == HTEvent_FLUSH) {
974: HTStream * input = HTRequest_inputStream(request);
975: if (input == NULL)
976: return HT_ERROR;
977: return (*input->isa->flush)(input);
978: } else if (type == HTEvent_READ) {
1.144 ! frystyk 979: status = HTHost_read(host, net);
1.131 frystyk 980: if (status == HT_WOULD_BLOCK)
1.94 frystyk 981: return HT_OK;
1.131 frystyk 982: else if (status == HT_CONTINUE) {
1.130 frystyk 983: if (PROT_TRACE) HTTrace("HTTP........ Continuing\n");
1.139 frystyk 984: http->lock = NO;
1.141 frystyk 985: type = HTEvent_WRITE;
1.130 frystyk 986: continue;
1.133 frystyk 987: } else if (status==HT_LOADED)
1.141 frystyk 988: http->state = http->next; /* Jump to next state (OK or ERROR) */
989: else if (status==HT_CLOSED)
990: http->state = HTTP_RECOVER_PIPE;
991: else
1.94 frystyk 992: http->state = HTTP_ERROR;
1.90 frystyk 993: } else {
1.141 frystyk 994: http->state = HTTP_ERROR; /* don't know how to handle OOB */
1.90 frystyk 995: }
1.71 frystyk 996: break;
1.141 frystyk 997:
1.134 frystyk 998: case HTTP_OK:
1.88 frystyk 999: if (HTRequest_isPostWeb(request)) {
1.91 frystyk 1000: if (HTRequest_isDestination(request)) {
1.126 frystyk 1001: HTRequest * source = HTRequest_source(request);
1.91 frystyk 1002: HTLink *link =
1.127 frystyk 1003: HTLink_find((HTAnchor *)HTRequest_anchor(source),
1.112 frystyk 1004: (HTAnchor *) anchor);
1.109 frystyk 1005: HTLink_setResult(link, HT_LINK_OK);
1.91 frystyk 1006: }
1.112 frystyk 1007: }
1.134 frystyk 1008: HTTPCleanup(request, http->result);
1.94 frystyk 1009: return HT_OK;
1.71 frystyk 1010: break;
1.141 frystyk 1011:
1012: case HTTP_RECOVER_PIPE:
1013: {
1014: /*
1015: ** If this is a persistent connection and we get a close
1016: ** then it is an error and we should recover from it by
1017: ** restarting the pipe line of requests if any
1018: */
1019: if (HTHost_isPersistent(host)) {
1.143 frystyk 1020: if (host == NULL) return HT_ERROR;
1.144 ! frystyk 1021: HTRequest_setFlush(request, YES);
! 1022: HTHost_recoverPipe(host);
! 1023: http->state = HTTP_BEGIN;
! 1024: HTHost_launchPending(host);
! 1025: return HT_OK;
1.141 frystyk 1026: } else
1027: http->state = HTTP_OK;
1028: }
1.143 frystyk 1029: break;
1.141 frystyk 1030:
1.71 frystyk 1031: case HTTP_ERROR:
1.143 frystyk 1032: if (HTRequest_isPostWeb(request)) {
1033: if (HTRequest_isDestination(request)) {
1034: HTRequest * source = HTRequest_source(request);
1035: HTLink *link =
1036: HTLink_find((HTAnchor *)HTRequest_anchor(source),
1037: (HTAnchor *) anchor);
1038: HTLink_setResult(link, HT_LINK_ERROR);
1039: }
1040: HTRequest_killPostWeb(request);
1041: }
1042: HTTPCleanup(request, http->result);
1043: return HT_OK;
1044: break;
1045:
1.141 frystyk 1046: default:
1047: HTTrace("bad http state %d.\n", http->state);
1048: HTDebugBreak();
1.71 frystyk 1049: }
1050: } /* End of while(1) */
1051: }
1.88 frystyk 1052:
1.21 luotonen 1053:
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