Annotation of libwww/Library/src/HTTP.c, revision 1.149
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.
1.149 ! frystyk 6: ** @(#) $Id: HTTP.c,v 1.148 1997年02月06日 16:33:50 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"
1.109 frystyk 27: #include "HTTPUtil.h"
1.80 frystyk 28: #include "HTTPReq.h"
1.55 frystyk 29: #include "HTTP.h" /* Implements */
30:
31: /* Macros and other defines */
1.94 frystyk 32: #ifndef HTTP_PORT
33: #define HTTP_PORT 80 /* Allocated to http by Jon Postel/ISI 24-Jan-92 */
34: #endif
35:
1.71 frystyk 36: #define PUTC(c) (*me->target->isa->put_character)(me->target, c)
37: #define PUTS(s) (*me->target->isa->put_string)(me->target, s)
38: #define PUTBLOCK(b, l) (*me->target->isa->put_block)(me->target, b, l)
39: #define FREE_TARGET (*me->target->isa->_free)(me->target)
1.74 frystyk 40: #define ABORT_TARGET (*me->target->isa->abort)(me->target, e)
1.2 timbl 41:
1.140 frystyk 42: #define HTTP_DUMP
43: #ifdef HTTP_DUMP
1.147 frystyk 44: #define HTTP_OUTPUT "w3chttp.out"
1.140 frystyk 45: #endif
1.139 frystyk 46:
1.59 frystyk 47: /* Type definitions and global variables etc. local to this module */
1.94 frystyk 48:
49: /* Final states have negative value */
1.59 frystyk 50: typedef enum _HTTPState {
1.141 frystyk 51: HTTP_RECOVER_PIPE = -3,
1.134 frystyk 52: HTTP_ERROR = -2,
53: HTTP_OK = -1,
1.71 frystyk 54: HTTP_BEGIN = 0,
1.144 frystyk 55: HTTP_NEED_STREAM,
1.141 frystyk 56: HTTP_CONNECTED
1.59 frystyk 57: } HTTPState;
1.55 frystyk 58:
1.94 frystyk 59: /* This is the context structure for the this module */
1.55 frystyk 60: typedef struct _http_info {
1.81 frystyk 61: HTTPState state; /* Current State of the connection */
62: HTTPState next; /* Next state */
1.134 frystyk 63: int result; /* Result to report to the after filter */
1.139 frystyk 64: BOOL lock; /* Block for writing */
1.141 frystyk 65: HTNet * net;
1.55 frystyk 66: } http_info;
67:
1.88 frystyk 68: #define MAX_STATUS_LEN 100 /* Max nb of chars to check StatusLine */
1.55 frystyk 69:
1.71 frystyk 70: struct _HTStream {
1.119 frystyk 71: const HTStreamClass * isa;
1.71 frystyk 72: HTStream * target;
73: HTRequest * request;
74: http_info * http;
1.121 frystyk 75: HTEOLState state;
1.71 frystyk 76: BOOL transparent;
1.81 frystyk 77: char * version; /* Should we save this? */
1.71 frystyk 78: int status;
1.81 frystyk 79: char * reason;
1.71 frystyk 80: char buffer[MAX_STATUS_LEN+1];
1.80 frystyk 81: int buflen;
1.146 frystyk 82: int startLen;/* buflen when put_block was called */
1.71 frystyk 83: };
1.21 luotonen 84:
1.123 frystyk 85: struct _HTInputStream {
86: const HTInputStreamClass * isa;
87: };
88:
1.147 frystyk 89: #ifdef HT_NO_PIPELINING
90: PRIVATE HTTPConnectionMode ConnectionMode = HTTP_NO_PIPELINING;
91: #else
92: PRIVATE HTTPConnectionMode ConnectionMode = 0;
93: #endif
94:
1.71 frystyk 95: /* ------------------------------------------------------------------------- */
96: /* Help Functions */
97: /* ------------------------------------------------------------------------- */
1.21 luotonen 98:
1.94 frystyk 99: /* HTTPCleanup
100: ** -----------
1.55 frystyk 101: ** This function closes the connection and frees memory.
1.94 frystyk 102: ** Returns YES on OK, else NO
1.1 timbl 103: */
1.94 frystyk 104: PRIVATE int HTTPCleanup (HTRequest *req, int status)
1.1 timbl 105: {
1.126 frystyk 106: HTNet * net = HTRequest_net(req);
107: http_info * http = (http_info *) HTNet_context(net);
108: HTStream * input = HTRequest_inputStream(req);
1.80 frystyk 109:
1.144 frystyk 110: if (PROT_TRACE)
111: HTTrace("HTTP Clean.. Called with status %d, net %p\n", status, net);
112:
1.94 frystyk 113: /* Free stream with data TO network */
1.112 frystyk 114: if (HTRequest_isDestination(req))
115: HTRequest_removeDestination(req);
1.126 frystyk 116: else if (input) {
1.145 frystyk 117: if (status == HT_INTERRUPTED || status == HT_RECOVER_PIPE)
1.126 frystyk 118: (*input->isa->abort)(input, NULL);
1.94 frystyk 119: else
1.126 frystyk 120: (*input->isa->_free)(input);
121: HTRequest_setInputStream(req, NULL);
1.94 frystyk 122: }
1.88 frystyk 123:
1.144 frystyk 124: /*
125: ** Remove the request object and our own context structure for http.
126: */
127: if (status != HT_RECOVER_PIPE) {
128: HTNet_delete(net, status);
1.141 frystyk 129: HT_FREE(http);
130: }
1.94 frystyk 131: return YES;
1.55 frystyk 132: }
133:
1.71 frystyk 134: /*
1.130 frystyk 135: ** Informational 1xx codes are handled separately
1.136 frystyk 136: ** Returns YES if we should continue, NO if we should stop
1.55 frystyk 137: */
1.130 frystyk 138: PRIVATE BOOL HTTPInformation (HTStream * me)
1.55 frystyk 139: {
1.136 frystyk 140: http_info * http = me->http;
1.71 frystyk 141: switch (me->status) {
142:
1.136 frystyk 143: case 100:
144: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_CONTINUE,
145: me->reason, (int) strlen(me->reason),
146: "HTTPInformation");
147: return YES;
148: break;
149:
1.130 frystyk 150: case 101:
1.136 frystyk 151: /*
152: ** We consider 101 Switching as a final state and exit this request
153: */
1.130 frystyk 154: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_SWITCHING,
1.127 frystyk 155: me->reason, (int) strlen(me->reason),
1.130 frystyk 156: "HTTPInformation");
1.136 frystyk 157: http->next = HTTP_OK;
158: http->result = HT_UPGRADE;
1.127 frystyk 159: break;
160:
1.130 frystyk 161: default:
1.136 frystyk 162: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_REPLY,
163: (void *) me->buffer, me->buflen, "HTTPNextState");
164: http->next = HTTP_ERROR;
165: http->result = HT_ERROR;
1.127 frystyk 166: break;
1.130 frystyk 167: }
1.136 frystyk 168: return NO;
1.130 frystyk 169: }
170:
171: /*
172: ** This is a big switch handling all HTTP return codes. It puts in any
173: ** appropiate error message and decides whether we should expect data
174: ** or not.
175: */
176: PRIVATE void HTTPNextState (HTStream * me)
177: {
1.134 frystyk 178: http_info * http = me->http;
1.130 frystyk 179: switch (me->status) {
1.127 frystyk 180:
1.78 frystyk 181: case 0: /* 0.9 response */
1.127 frystyk 182: case 200: /* OK */
183: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_OK,
184: me->reason, (int) strlen(me->reason),
185: "HTTPNextState");
1.134 frystyk 186: http->next = HTTP_OK;
187: http->result = HT_LOADED;
1.112 frystyk 188: break;
189:
1.127 frystyk 190: case 201: /* Created */
1.112 frystyk 191: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_CREATED,
192: me->reason, (int) strlen(me->reason),
193: "HTTPNextState");
1.134 frystyk 194: http->next = HTTP_OK;
195: http->result = HT_CREATED;
1.112 frystyk 196: break;
197:
1.127 frystyk 198: case 202: /* Accepted */
1.112 frystyk 199: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_ACCEPTED,
200: me->reason, (int) strlen(me->reason),
201: "HTTPNextState");
1.134 frystyk 202: http->next = HTTP_OK;
203: http->result = HT_ACCEPTED;
1.112 frystyk 204: break;
205:
1.127 frystyk 206: case 203: /* Non-authoritative information */
207: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_NON_AUTHORITATIVE,
1.112 frystyk 208: me->reason, (int) strlen(me->reason),
209: "HTTPNextState");
1.134 frystyk 210: http->next = HTTP_OK;
211: http->result = HT_LOADED;
1.71 frystyk 212: break;
1.78 frystyk 213:
214: case 204: /* No Response */
1.112 frystyk 215: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_NO_CONTENT,
216: me->reason, (int) strlen(me->reason),
217: "HTTPNextState");
1.134 frystyk 218: http->next = HTTP_OK;
219: http->result = HT_NO_DATA;
220: break;
221:
222: case 205: /* Reset Content */
223: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_RESET,
224: me->reason, (int) strlen(me->reason),
225: "HTTPNextState");
226: http->next = HTTP_OK;
227: http->result = HT_RESET_CONTENT;
228: break;
229:
230: case 206: /* Partial Content */
231: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_PARTIAL,
232: me->reason, (int) strlen(me->reason),
233: "HTTPNextState");
234: http->next = HTTP_OK;
235: http->result = HT_PARTIAL_CONTENT;
236: break;
237:
238: case 300: /* Multiple Choices */
239: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_MULTIPLE,
240: me->reason, (int) strlen(me->reason),
241: "HTTPNextState");
242: http->next = HTTP_OK;
243: http->result = HT_LOADED;
1.71 frystyk 244: break;
1.78 frystyk 245:
1.71 frystyk 246: case 301: /* Moved */
1.112 frystyk 247: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_MOVED,
248: me->reason, (int) strlen(me->reason),
249: "HTTPNextState");
1.134 frystyk 250: http->next = HTTP_ERROR;
251: http->result = HT_PERM_REDIRECT;
1.112 frystyk 252: break;
253:
1.71 frystyk 254: case 302: /* Found */
1.112 frystyk 255: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_FOUND,
256: me->reason, (int) strlen(me->reason),
257: "HTTPNextState");
1.134 frystyk 258: http->next = HTTP_ERROR;
259: http->result = HT_TEMP_REDIRECT;
1.71 frystyk 260: break;
1.55 frystyk 261:
1.71 frystyk 262: case 303: /* Method */
1.107 frystyk 263: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_IMPLEMENTED,
264: me->reason, (int) strlen(me->reason),
265: "HTTPNextState");
1.134 frystyk 266: http->next = HTTP_ERROR;
267: http->result = HT_SEE_OTHER;
1.71 frystyk 268: break;
1.91 frystyk 269:
270: case 304: /* Not Modified */
1.131 frystyk 271: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_NOT_MODIFIED,
1.112 frystyk 272: me->reason, (int) strlen(me->reason),
273: "HTTPNextState");
1.135 frystyk 274: http->next = HTTP_OK;
1.134 frystyk 275: http->result = HT_NOT_MODIFIED;
276: break;
277:
278: case 305: /* Use proxy */
279: HTRequest_addError(me->request, ERR_INFO, NO, HTERR_USE_PROXY,
280: me->reason, (int) strlen(me->reason),
281: "HTTPNextState");
282: http->next = HTTP_ERROR;
283: http->result = HT_USE_PROXY;
1.91 frystyk 284: break;
1.55 frystyk 285:
1.78 frystyk 286: case 400: /* Bad Request */
1.104 frystyk 287: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_REQUEST,
1.100 frystyk 288: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 289: http->next = HTTP_ERROR;
290: http->result = HT_ERROR;
1.71 frystyk 291: break;
1.70 howcome 292:
1.71 frystyk 293: case 401:
1.104 frystyk 294: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_UNAUTHORIZED,
1.100 frystyk 295: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 296: http->next = HTTP_ERROR;
297: http->result = HT_NO_ACCESS;
1.71 frystyk 298: break;
299:
300: case 402: /* Payment required */
1.104 frystyk 301: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_PAYMENT_REQUIRED,
1.100 frystyk 302: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 303: http->next = HTTP_ERROR;
304: http->result = HT_ERROR;
1.71 frystyk 305: break;
1.55 frystyk 306:
1.71 frystyk 307: case 403: /* Forbidden */
1.104 frystyk 308: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_FORBIDDEN,
1.100 frystyk 309: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 310: http->next = HTTP_ERROR;
311: http->result = HT_FORBIDDEN;
1.71 frystyk 312: break;
1.55 frystyk 313:
1.71 frystyk 314: case 404: /* Not Found */
1.104 frystyk 315: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_FOUND,
1.100 frystyk 316: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 317: http->next = HTTP_ERROR;
318: http->result = HT_ERROR;
1.71 frystyk 319: break;
320:
1.78 frystyk 321: case 405: /* Not Allowed */
1.104 frystyk 322: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_ALLOWED,
1.100 frystyk 323: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 324: http->next = HTTP_ERROR;
325: http->result = HT_ERROR;
1.78 frystyk 326: break;
327:
328: case 406: /* None Acceptable */
1.104 frystyk 329: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NONE_ACCEPTABLE,
1.100 frystyk 330: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 331: http->next = HTTP_ERROR;
332: http->result = HT_NOT_ACCEPTABLE;
1.78 frystyk 333: break;
334:
335: case 407: /* Proxy Authentication Required */
1.127 frystyk 336: HTRequest_addError(me->request, ERR_FATAL, NO,HTERR_PROXY_UNAUTHORIZED,
1.100 frystyk 337: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 338: http->next = HTTP_ERROR;
339: http->result = HT_NO_PROXY_ACCESS;
1.78 frystyk 340: break;
341:
342: case 408: /* Request Timeout */
1.104 frystyk 343: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_TIMEOUT,
1.100 frystyk 344: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 345: http->next = HTTP_ERROR;
346: http->result = HT_ERROR;
347: break;
348:
349: case 409: /* Conflict */
350: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_CONFLICT,
351: me->reason, (int) strlen(me->reason), "HTTPNextState");
352: http->next = HTTP_ERROR;
353: http->result = HT_CONFLICT;
354: break;
355:
356: case 410: /* Gone */
357: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_GONE,
358: me->reason, (int) strlen(me->reason), "HTTPNextState");
359: http->next = HTTP_ERROR;
360: http->result = HT_ERROR;
361: break;
362:
363: case 411: /* Length Required */
364: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_LENGTH_REQUIRED,
365: me->reason, (int) strlen(me->reason), "HTTPNextState");
366: http->next = HTTP_ERROR;
367: http->result = HT_LENGTH_REQUIRED;
368: break;
369:
370: case 412: /* Precondition failed */
371: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_PRECON_FAILED,
372: me->reason, (int) strlen(me->reason), "HTTPNextState");
373: http->next = HTTP_ERROR;
374: http->result = HT_ERROR;
375: break;
376:
377: case 413: /* Request entity too large */
378: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_TOO_BIG,
379: me->reason, (int) strlen(me->reason), "HTTPNextState");
380: http->next = HTTP_ERROR;
381: http->result = HT_ERROR;
382: break;
383:
384: case 414: /* Request-URI too long */
385: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_URI_TOO_BIG,
386: me->reason, (int) strlen(me->reason), "HTTPNextState");
387: http->next = HTTP_ERROR;
388: http->result = HT_ERROR;
389: break;
390:
391: case 415: /* Unsupported */
392: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_UNSUPPORTED,
393: me->reason, (int) strlen(me->reason), "HTTPNextState");
394: http->next = HTTP_ERROR;
395: http->result = HT_ERROR;
1.78 frystyk 396: break;
397:
1.71 frystyk 398: case 500:
1.104 frystyk 399: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_INTERNAL,
1.100 frystyk 400: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 401: http->next = HTTP_ERROR;
402: http->result = HT_ERROR;
1.78 frystyk 403: break;
404:
1.71 frystyk 405: case 501:
1.104 frystyk 406: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_NOT_IMPLEMENTED,
1.100 frystyk 407: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 408: http->next = HTTP_ERROR;
409: http->result = HT_ERROR;
1.78 frystyk 410: break;
411:
412: case 502:
1.104 frystyk 413: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_GATE,
1.100 frystyk 414: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 415: http->next = HTTP_ERROR;
416: http->result = HT_ERROR;
1.78 frystyk 417: break;
418:
419: case 503:
1.104 frystyk 420: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_DOWN,
1.100 frystyk 421: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 422: http->next = HTTP_ERROR;
1.81 frystyk 423:
1.140 frystyk 424: /*
425: ** If Retry-After header is found then return HT_RETRY else HT_ERROR.
426: ** The caller may want to reissue the request at a later point in time.
427: */
428: {
429: HTResponse * response = HTRequest_response(me->request);
430: if (HTResponse_retryTime(response))
431: http->result = HT_RETRY;
432: else
433: http->result = HT_ERROR;
434: }
1.78 frystyk 435: break;
436:
437: case 504:
1.104 frystyk 438: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_GATE_TIMEOUT,
1.100 frystyk 439: me->reason, (int) strlen(me->reason), "HTTPNextState");
1.134 frystyk 440: http->next = HTTP_ERROR;
441: http->result = HT_ERROR;
442: break;
443:
444: case 505: /* Unsupported protocol version */
445: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_VERSION,
446: me->reason, (int) strlen(me->reason), "HTTPNextState");
447: http->next = HTTP_ERROR;
448: http->result = HT_BAD_VERSION;
1.71 frystyk 449: break;
1.78 frystyk 450:
1.71 frystyk 451: default: /* bad number */
1.104 frystyk 452: HTRequest_addError(me->request, ERR_FATAL, NO, HTERR_BAD_REPLY,
1.100 frystyk 453: (void *) me->buffer, me->buflen, "HTTPNextState");
1.134 frystyk 454: http->next = HTTP_ERROR;
455: http->result = HT_ERROR;
1.71 frystyk 456: break;
1.55 frystyk 457: }
458: }
459:
1.71 frystyk 460: /* ------------------------------------------------------------------------- */
461: /* HTTP Status Line Stream */
462: /* ------------------------------------------------------------------------- */
1.55 frystyk 463:
1.71 frystyk 464: /*
1.141 frystyk 465: ** Analyze the stream we have read. If it is a HTTP 1.0 or higher
1.71 frystyk 466: ** then create a MIME-stream, else create a Guess stream to find out
467: ** what the 0.9 server is sending. We need to copy the buffer as we don't
468: ** know if we can modify the contents or not.
1.78 frystyk 469: **
470: ** Stream handling is a function of the status code returned from the
471: ** server:
472: ** 200: Use `output_stream' in HTRequest structure
1.94 frystyk 473: ** else: Use `debug_stream' in HTRequest structure
1.80 frystyk 474: **
475: ** Return: YES if buffer should be written out. NO otherwise
1.56 frystyk 476: */
1.100 frystyk 477: PRIVATE int stream_pipe (HTStream * me)
1.56 frystyk 478: {
1.136 frystyk 479: HTRequest * request = me->request;
480: HTNet * net = HTRequest_net(request);
1.123 frystyk 481: HTHost * host = HTNet_host(net);
1.141 frystyk 482:
1.80 frystyk 483: if (me->target) {
484: int status = PUTBLOCK(me->buffer, me->buflen);
485: if (status == HT_OK)
486: me->transparent = YES;
487: return status;
1.136 frystyk 488: } else if (HTRequest_isSource(request)&&!HTRequest_outputStream(request)) {
1.88 frystyk 489: /*
490: ** We need to wait for the destinations to get ready
491: */
492: return HT_WOULD_BLOCK;
1.80 frystyk 493: }
1.88 frystyk 494:
1.132 frystyk 495: /*
496: ** Just check for HTTP and not HTTP/ as NCSA server chokes on 1.1 replies
497: ** Thanks to Markku Savela <msa@msa.tte.vtt.fi>
1.141 frystyk 498:
1.132 frystyk 499: */
500: #if 0
1.81 frystyk 501: if (strncasecomp(me->buffer, "http/", 5)) {
1.132 frystyk 502: #else
503: if (strncasecomp(me->buffer, "http", 4)) {
504: #endif
1.80 frystyk 505: int status;
1.136 frystyk 506: HTRequest_addError(request, ERR_INFO, NO, HTERR_HTTP09,
1.80 frystyk 507: (void *) me->buffer, me->buflen, "HTTPStatusStream");
1.136 frystyk 508: me->target = HTStreamStack(WWW_UNKNOWN,
509: HTRequest_outputFormat(request),
510: HTRequest_outputStream(request),
511: request, NO);
1.134 frystyk 512: me->http->next = HTTP_OK;
1.80 frystyk 513: if ((status = PUTBLOCK(me->buffer, me->buflen)) == HT_OK)
514: me->transparent = YES;
1.123 frystyk 515: HTHost_setVersion(host, HTTP_09);
1.80 frystyk 516: return status;
517: } else {
1.140 frystyk 518: HTResponse * response = HTRequest_response(request);
1.133 frystyk 519: char *ptr = me->buffer+4; /* Skip the HTTP part */
1.81 frystyk 520: me->version = HTNextField(&ptr);
1.149 ! frystyk 521: HTHost_setConsumed(HTNet_host(net), me->buflen - me->startLen);
1.95 frystyk 522:
1.130 frystyk 523: /* Here we want to find out when to use persistent connection */
1.133 frystyk 524: if (!strncasecomp(me->version, "/1.0", 4)) {
1.128 frystyk 525: if (PROT_TRACE)HTTrace("HTTP Status. This is a HTTP/1.0 server\n");
526: HTHost_setVersion(host, HTTP_10);
1.133 frystyk 527: } else if (!strncasecomp(me->version, "/1.", 3)) { /* 1.x family */
1.128 frystyk 528: HTHost_setVersion(host, HTTP_11);
1.141 frystyk 529: #ifdef HT_MUX
530: HTNet_setPersistent(net, YES, HT_TP_INTERLEAVE);
531: #else
1.147 frystyk 532: if (ConnectionMode & HTTP_NO_PIPELINING) {
533: if (PROT_TRACE) HTTrace("HTTP........ Mode is HTTP/1.1 WITH NO PIPELINING\n");
534: HTNet_setPersistent(net, YES, HT_TP_SINGLE);
535: } else if (ConnectionMode & HTTP_FORCE_10) {
536: if (PROT_TRACE) HTTrace("HTTP........ Mode is FORCE HTTP/1.0\n");
537: HTHost_setVersion(host, HTTP_10);
538: HTNet_setPersistent(net, NO, HT_TP_SINGLE);
539: } else
540: HTNet_setPersistent(net, YES, HT_TP_PIPELINE);
1.145 frystyk 541: #endif /* HT_MUX */
1.133 frystyk 542: } else {
543: if (PROT_TRACE)HTTrace("HTTP Status. No 1.x version number - treat it as a HTTP/1.0 server\n");
544: HTHost_setVersion(host, HTTP_10);
1.128 frystyk 545: }
1.95 frystyk 546:
1.81 frystyk 547: me->status = atoi(HTNextField(&ptr));
1.133 frystyk 548: /* Kludge to fix the NCSA server version bug */
549: if (me->status == 0) me->status = atoi(me->version);
550:
1.81 frystyk 551: me->reason = ptr;
552: if ((ptr = strchr(me->reason, '\r')) != NULL) /* Strip \r and \n */
553: *ptr = '0円';
554: else if ((ptr = strchr(me->reason, '\n')) != NULL)
555: *ptr = '0円';
556:
1.130 frystyk 557: /*
558: ** If it is a 1xx code then find out what to do and return until we
559: ** get the next code. In the case of Upgrade we may not get back here
560: ** at all. If we are uploading an entity then continue doing that
561: */
562: if (me->status/100 == 1) {
1.136 frystyk 563: if (HTTPInformation(me) == YES) {
564: me->buflen = 0;
565: me->state = EOL_BEGIN;
566: return HTMethod_hasEntity(HTRequest_method(request)) ?
567: HT_CONTINUE : HT_OK;
1.103 frystyk 568: }
1.56 frystyk 569: }
1.133 frystyk 570:
571: /*
572: ** As we are getting fresh metainformation in the HTTP response,
573: ** we clear the old metainfomation in order not to mix it with the new
574: ** one. This is particularly important for the content-length and the
1.139 frystyk 575: ** like. The TRACE and OPTIONS method just adds to the current
576: ** metainformation so in that case we don't clear the anchor.
1.133 frystyk 577: */
1.136 frystyk 578: if (me->status==200 || me->status==203 || me->status==300) {
1.140 frystyk 579: /*
580: ** 200, 203 and 300 are all fully cacheable responses. No byte
581: ** ranges or anything else make life hard in this case.
582: */
1.148 frystyk 583: HTAnchor_clearHeader(HTRequest_anchor(request));
1.140 frystyk 584: HTResponse_setCachable(response, YES);
1.136 frystyk 585: me->target = HTStreamStack(WWW_MIME,
586: HTRequest_outputFormat(request),
587: HTRequest_outputStream(request),
588: request, NO);
1.140 frystyk 589: } else if (me->status==206) {
590: /*
591: ** We got a partial response and now we must check whether
592: ** we issued a cache If-Range request or it was a new
593: ** partial response which we don't have in cache. In the latter
594: ** case, we don't cache the object and in the former we append
595: ** the result to the already existing cache entry.
596: */
597: HTReload reload = HTRequest_reloadMode(request);
598: if (reload == HT_CACHE_RANGE_VALIDATE) {
599: HTResponse_setCachable(response, YES);
600: me->target = HTStreamStack(WWW_MIME_PART,
601: HTRequest_outputFormat(request),
602: HTRequest_outputStream(request),
603: request, NO);
604: } else {
1.149 ! frystyk 605: HTAnchor_clearHeader(HTRequest_anchor(request));
1.140 frystyk 606: me->target = HTStreamStack(WWW_MIME,
607: HTRequest_outputFormat(request),
608: HTRequest_outputStream(request),
609: request, NO);
610: }
1.139 frystyk 611: } else if (me->status==204 || me->status==304) {
1.140 frystyk 612: HTResponse_setCachable(response, YES);
1.136 frystyk 613: me->target = HTStreamStack(WWW_MIME_HEAD,
614: HTRequest_debugFormat(request),
615: HTRequest_debugStream(request),
616: request, NO);
617: } else if (HTRequest_debugStream(request)) {
618: me->target = HTStreamStack(WWW_MIME,
619: HTRequest_debugFormat(request),
620: HTRequest_debugStream(request),
621: request, NO);
622: } else {
1.140 frystyk 623: /*
624: ** We still need to parse the MIME part in order to find any
625: ** valuable meta information which is needed from the response.
626: */
1.136 frystyk 627: me->target = HTStreamStack(WWW_MIME,
628: HTRequest_debugFormat(request),
629: HTRequest_debugStream(request),
630: request, NO);
1.133 frystyk 631: }
1.56 frystyk 632: }
1.113 frystyk 633: if (!me->target) me->target = HTErrorStream();
1.81 frystyk 634: HTTPNextState(me); /* Get next state */
1.80 frystyk 635: me->transparent = YES;
636: return HT_OK;
1.71 frystyk 637: }
1.56 frystyk 638:
1.80 frystyk 639: /*
640: ** Searches for HTTP header line until buffer fills up or a CRLF or LF
641: ** is found
642: */
1.119 frystyk 643: PRIVATE int HTTPStatus_put_block (HTStream * me, const char * b, int l)
1.71 frystyk 644: {
1.146 frystyk 645: me->startLen = me->buflen;
1.80 frystyk 646: while (!me->transparent && l-- > 0) {
647: int status;
648: if (me->target) {
649: if ((status = stream_pipe(me)) != HT_OK)
650: return status;
651: } else {
652: *(me->buffer+me->buflen++) = *b;
653: if (me->state == EOL_FCR) {
654: if (*b == LF) { /* Line found */
655: if ((status = stream_pipe(me)) != HT_OK)
656: return status;
657: } else {
658: me->state = EOL_BEGIN;
659: }
660: } else if (*b == CR) {
661: me->state = EOL_FCR;
662: } else if (*b == LF) {
663: if ((status = stream_pipe(me)) != HT_OK)
664: return status;
1.71 frystyk 665: } else {
1.80 frystyk 666: if (me->buflen >= MAX_STATUS_LEN) {
667: if ((status = stream_pipe(me)) != HT_OK)
668: return status;
669: }
1.71 frystyk 670: }
1.80 frystyk 671: b++;
1.71 frystyk 672: }
1.56 frystyk 673: }
1.99 frystyk 674: if (l > 0) return PUTBLOCK(b, l);
675: return HT_OK;
1.56 frystyk 676: }
677:
1.119 frystyk 678: PRIVATE int HTTPStatus_put_string (HTStream * me, const char * s)
1.71 frystyk 679: {
1.80 frystyk 680: return HTTPStatus_put_block(me, s, (int) strlen(s));
1.71 frystyk 681: }
1.56 frystyk 682:
1.100 frystyk 683: PRIVATE int HTTPStatus_put_character (HTStream * me, char c)
1.71 frystyk 684: {
1.80 frystyk 685: return HTTPStatus_put_block(me, &c, 1);
686: }
687:
1.100 frystyk 688: PRIVATE int HTTPStatus_flush (HTStream * me)
1.80 frystyk 689: {
690: return (*me->target->isa->flush)(me->target);
1.71 frystyk 691: }
692:
1.100 frystyk 693: PRIVATE int HTTPStatus_free (HTStream * me)
1.71 frystyk 694: {
1.87 frystyk 695: int status = HT_OK;
696: if (me->target) {
697: if ((status = (*me->target->isa->_free)(me->target))==HT_WOULD_BLOCK)
698: return HT_WOULD_BLOCK;
699: }
1.115 frystyk 700: HT_FREE(me);
1.100 frystyk 701: return status;
1.71 frystyk 702: }
703:
1.104 frystyk 704: PRIVATE int HTTPStatus_abort (HTStream * me, HTList * e)
1.71 frystyk 705: {
706: if (me->target)
1.74 frystyk 707: ABORT_TARGET;
1.115 frystyk 708: HT_FREE(me);
1.74 frystyk 709: if (PROT_TRACE)
1.116 eric 710: HTTrace("HTTPStatus.. ABORTING...\n");
1.80 frystyk 711: return HT_ERROR;
1.71 frystyk 712: }
713:
714: /* HTTPStatus Stream
715: ** -----------------
716: */
1.119 frystyk 717: PRIVATE const HTStreamClass HTTPStatusClass =
1.71 frystyk 718: {
719: "HTTPStatus",
1.80 frystyk 720: HTTPStatus_flush,
1.71 frystyk 721: HTTPStatus_free,
722: HTTPStatus_abort,
723: HTTPStatus_put_character,
724: HTTPStatus_put_string,
725: HTTPStatus_put_block
726: };
727:
1.113 frystyk 728: PUBLIC HTStream * HTTPStatus_new (HTRequest * request,
729: void * param,
730: HTFormat input_format,
731: HTFormat output_format,
732: HTStream * output_stream)
1.71 frystyk 733: {
1.115 frystyk 734: HTStream * me;
735: if ((me = (HTStream *) HT_CALLOC(1, sizeof(HTStream))) == NULL)
736: HT_OUTOFMEM("HTTPStatus_new");
1.71 frystyk 737: me->isa = &HTTPStatusClass;
1.113 frystyk 738: if (request) {
1.126 frystyk 739: HTNet * net = HTRequest_net(request);
1.125 frystyk 740: /* Get existing copy */
741: http_info * http = (http_info *) HTNet_context(net);
1.113 frystyk 742: me->request = request;
743: me->http = http;
744: http->next = HTTP_ERROR;
745: me->state = EOL_BEGIN;
746: return me;
747: } else
748: return HTErrorStream();
1.71 frystyk 749: }
750:
751: /* ------------------------------------------------------------------------- */
752:
753: /* Load Document from HTTP Server HTLoadHTTP
1.55 frystyk 754: ** ==============================
755: **
756: ** Given a hypertext address, this routine loads a document.
757: **
758: ** On entry,
759: ** request This is the request structure
1.94 frystyk 760: ** returns HT_ERROR Error has occured in call back
761: ** HT_OK Call back was OK
1.55 frystyk 762: */
1.141 frystyk 763: PRIVATE int HTTPEvent (SOCKET soc, void * pVoid, HTEventType type);
764:
765: PUBLIC int HTLoadHTTP (SOCKET soc, HTRequest * request)
1.55 frystyk 766: {
767: http_info *http; /* Specific protocol information */
1.112 frystyk 768: HTParentAnchor *anchor = HTRequest_anchor(request);
1.141 frystyk 769: HTNet * net = HTRequest_net(request);
1.112 frystyk 770:
1.94 frystyk 771: /*
772: ** Initiate a new http structure and bind to request structure
773: ** This is actually state HTTP_BEGIN, but it can't be in the state
774: ** machine as we need the structure first.
775: */
1.141 frystyk 776: if (PROT_TRACE) HTTrace("HTTP........ Looking for `%s\'\n",
777: HTAnchor_physical(anchor));
778: if ((http = (http_info *) HT_CALLOC(1, sizeof(http_info))) == NULL)
779: HT_OUTOFMEM("HTLoadHTTP");
780: http->net = net;
781: HTNet_setContext(net, http);
782: HTNet_setEventCallback(net, HTTPEvent);
783: HTNet_setEventParam(net, http); /* callbacks get http* */
784:
785: return HTTPEvent(soc, http, HTEvent_BEGIN); /* get it started - ops is ignored */
786: }
787:
788: PRIVATE int HTTPEvent (SOCKET soc, void * pVoid, HTEventType type)
789: {
790: http_info * http = (http_info *)pVoid;
791: int status = HT_ERROR;
792: HTNet * net = http->net;
793: HTRequest * request = HTNet_request(net);
1.144 frystyk 794: HTParentAnchor * anchor = HTRequest_anchor(request);
795: HTHost * host = HTNet_host(net);
1.141 frystyk 796:
797: /*
798: ** Check whether we have been interrupted
799: */
800: if (type == HTEvent_BEGIN) {
1.134 frystyk 801: http->next = HTTP_OK;
802: http->result = HT_ERROR;
1.141 frystyk 803: } else if (type == HTEvent_CLOSE) {
1.112 frystyk 804: HTRequest_addError(request, ERR_FATAL, NO, HTERR_INTERRUPTED,
805: NULL, 0, "HTLoadHTTP");
806: HTTPCleanup(request, HT_INTERRUPTED);
1.94 frystyk 807: return HT_OK;
1.141 frystyk 808: } else if (type == HTEvent_END) {
809: HTTPCleanup(request, http->result);
810: return HT_OK;
811: } else if (type == HTEvent_RESET) {
812: HTTPCleanup(request, HT_RECOVER_PIPE);
1.145 frystyk 813: http->state = HTTP_BEGIN;
1.141 frystyk 814: return HT_OK;
815: }
816:
1.71 frystyk 817: /* Now jump into the machine. We know the state from the previous run */
818: while (1) {
819: switch (http->state) {
1.134 frystyk 820: case HTTP_BEGIN:
1.144 frystyk 821: status = HTHost_connect(host, net, HTAnchor_physical(anchor), HTTP_PORT);
822: host = HTNet_host(net);
1.80 frystyk 823: if (status == HT_OK) {
1.140 frystyk 824:
1.123 frystyk 825: /*
1.140 frystyk 826: ** Check the protocol class to see if we have connected to a
827: ** the right class of server, in this case HTTP. If we don't
828: ** know the server then assume a HTTP/1.0
1.123 frystyk 829: */
830: {
831: char * s_class = HTHost_class(host);
1.140 frystyk 832: if (!s_class) {
833: if (HTRequest_proxy(request) == NULL)
834: HTRequest_addConnection(request, "Keep-Alive", "");
835: HTHost_setClass(host, "http");
836: } else if (strcasecomp(s_class, "http")) {
1.123 frystyk 837: HTRequest_addError(request, ERR_FATAL, NO, HTERR_CLASS,
838: NULL, 0, "HTLoadHTTP");
839: http->state = HTTP_ERROR;
840: break;
841: }
1.95 frystyk 842: }
1.147 frystyk 843:
844: if (ConnectionMode & HTTP_NO_PIPELINING) {
845: if (PROT_TRACE) HTTrace("HTTP........ Mode is HTTP/1.1 WITH NO PIPELINING\n");
846: HTRequest_setFlush(request, YES);
847: } else if (ConnectionMode & HTTP_FORCE_10) {
848: if (PROT_TRACE) HTTrace("HTTP........ Mode is FORCE HTTP/1.0\n");
849: HTHost_setVersion(host, HTTP_10);
850: }
851:
852: /* Jump to next state */
1.144 frystyk 853: http->state = HTTP_NEED_STREAM;
854: } else if (status == HT_WOULD_BLOCK || status == HT_PENDING)
855: return HT_OK;
856: else
857: http->state = HTTP_ERROR; /* Error or interrupt */
858: break;
859:
860: case HTTP_NEED_STREAM:
1.138 frystyk 861:
1.144 frystyk 862: #if 0
863: HTChannel_upSemaphore(host->channel);
864: #endif
865:
866: /*
867: ** Create the stream pipe FROM the channel to the application.
868: ** The target for the input stream pipe is set up using the
869: ** stream stack.
870: */
871: {
872: HTStream *me=HTStreamStack(WWW_HTTP,
873: HTRequest_outputFormat(request),
874: HTRequest_outputStream(request),
875: request, YES);
876: HTNet_setReadStream(net, me);
877: HTRequest_setOutputConnected(request, YES);
878: }
1.127 frystyk 879:
1.144 frystyk 880: /*
881: ** Create the stream pipe TO the channel from the application
882: ** and hook it up to the request object
883: */
884: {
885: HTChannel * channel = HTHost_channel(host);
886: HTOutputStream * output = HTChannel_getChannelOStream(channel);
887: int version = HTHost_version(host);
888: HTStream * app = NULL;
889:
1.123 frystyk 890: /*
1.144 frystyk 891: ** Instead of calling this directly we could have a
892: ** stream stack builder on the output stream as well
1.123 frystyk 893: */
1.141 frystyk 894: #ifdef HT_MUX
1.144 frystyk 895: output = (HTOutputStream *)
896: HTBuffer_new(HTMuxWriter_new(host, net, output), request, 512);
1.141 frystyk 897: #endif
898:
1.139 frystyk 899: #ifdef HTTP_DUMP
1.144 frystyk 900: if (PROT_TRACE) {
1.147 frystyk 901: FILE * htfp = NULL;
902: if ((htfp = fopen(HTTP_OUTPUT, "ab")) != NULL) {
1.144 frystyk 903: output = (HTOutputStream *)
1.147 frystyk 904: HTTee((HTStream *) output, HTFWriter_new(request, htfp, NO), NULL);
905: HTTrace("HTTP........ Dumping request to `%s\'\n", HTTP_OUTPUT);
1.144 frystyk 906: }
907: }
1.139 frystyk 908: #endif /* HTTP_DUMP */
1.144 frystyk 909: app = HTMethod_hasEntity(HTRequest_method(request)) ?
910: HTMIMERequest_new(request,
911: HTTPRequest_new(request, (HTStream *) output, NO,
912: version),
913: YES) :
914: HTTPRequest_new(request, (HTStream *) output, YES, version);
915: HTRequest_setInputStream(request, app);
916: }
1.88 frystyk 917:
1.144 frystyk 918: /*
919: ** Set up concurrent read/write if this request isn't the
920: ** source for a PUT or POST. As source we don't start reading
921: ** before all destinations are ready. If destination then
922: ** register the input stream and get ready for read
923: */
924: if (HTRequest_isDestination(request)) {
925: HTHost_register(host, net, HTEvent_READ);
926: HTRequest_linkDestination(request);
927: }
928: http->state = HTTP_CONNECTED;
929: type = HTEvent_WRITE; /* fresh, so try a write */
1.71 frystyk 930: break;
931:
1.87 frystyk 932: /* As we can do simultanous read and write this is now one state */
1.141 frystyk 933: case HTTP_CONNECTED:
934: if (type == HTEvent_WRITE) {
935: if (HTRequest_isDestination(request)) {
936: HTRequest * source = HTRequest_source(request);
937: HTNet * srcnet = HTRequest_net(source);
938: if (srcnet) {
1.149 ! frystyk 939: HTHost_register(HTNet_host(srcnet), srcnet, HTEvent_READ);
! 940: HTHost_unregister(HTNet_host(srcnet), srcnet, HTEvent_WRITE);
1.141 frystyk 941: }
942: return HT_OK;
943: }
1.126 frystyk 944:
945: /*
946: ** Should we use the input stream directly or call the post
947: ** callback function to send data down to the network?
948: */
949: {
950: HTStream * input = HTRequest_inputStream(request);
951: HTPostCallback * pcbf = HTRequest_postCallback(request);
1.131 frystyk 952: if (pcbf) {
1.139 frystyk 953: if (http->lock)
954: return HT_OK;
955: else {
1.141 frystyk 956: status = (*pcbf)(request, input);
1.140 frystyk 957: if (status == HT_PAUSE || status == HT_LOADED) {
1.141 frystyk 958: type = HTEvent_READ;
1.139 frystyk 959: http->lock = YES;
1.141 frystyk 960: } else if (status==HT_CLOSED)
961: http->state = HTTP_RECOVER_PIPE;
962: else if (status == HT_ERROR) {
1.139 frystyk 963: http->result = HT_INTERRUPTED;
964: http->state = HTTP_ERROR;
965: break;
966: }
967: }
1.131 frystyk 968: } else {
1.142 frystyk 969: /*
970: ** Check to see if we can start a new request
971: ** pending in the host object.
972: */
1.144 frystyk 973: HTHost_launchPending(host);
1.142 frystyk 974: status = HTRequest_flush(request) ?
1.144 frystyk 975: HTHost_forceFlush(host) : (*input->isa->flush)(input);
1.141 frystyk 976: type = HTEvent_READ;
1.131 frystyk 977: }
978: if (status == HT_WOULD_BLOCK) return HT_OK;
1.126 frystyk 979: }
1.141 frystyk 980: } else if (type == HTEvent_FLUSH) {
981: HTStream * input = HTRequest_inputStream(request);
982: if (input == NULL)
983: return HT_ERROR;
984: return (*input->isa->flush)(input);
985: } else if (type == HTEvent_READ) {
1.144 frystyk 986: status = HTHost_read(host, net);
1.131 frystyk 987: if (status == HT_WOULD_BLOCK)
1.94 frystyk 988: return HT_OK;
1.131 frystyk 989: else if (status == HT_CONTINUE) {
1.130 frystyk 990: if (PROT_TRACE) HTTrace("HTTP........ Continuing\n");
1.139 frystyk 991: http->lock = NO;
1.141 frystyk 992: type = HTEvent_WRITE;
1.130 frystyk 993: continue;
1.133 frystyk 994: } else if (status==HT_LOADED)
1.141 frystyk 995: http->state = http->next; /* Jump to next state (OK or ERROR) */
996: else if (status==HT_CLOSED)
997: http->state = HTTP_RECOVER_PIPE;
998: else
1.94 frystyk 999: http->state = HTTP_ERROR;
1.90 frystyk 1000: } else {
1.141 frystyk 1001: http->state = HTTP_ERROR; /* don't know how to handle OOB */
1.90 frystyk 1002: }
1.71 frystyk 1003: break;
1.141 frystyk 1004:
1.134 frystyk 1005: case HTTP_OK:
1.88 frystyk 1006: if (HTRequest_isPostWeb(request)) {
1.91 frystyk 1007: if (HTRequest_isDestination(request)) {
1.126 frystyk 1008: HTRequest * source = HTRequest_source(request);
1.91 frystyk 1009: HTLink *link =
1.127 frystyk 1010: HTLink_find((HTAnchor *)HTRequest_anchor(source),
1.112 frystyk 1011: (HTAnchor *) anchor);
1.109 frystyk 1012: HTLink_setResult(link, HT_LINK_OK);
1.91 frystyk 1013: }
1.112 frystyk 1014: }
1.134 frystyk 1015: HTTPCleanup(request, http->result);
1.94 frystyk 1016: return HT_OK;
1.71 frystyk 1017: break;
1.141 frystyk 1018:
1019: case HTTP_RECOVER_PIPE:
1020: {
1021: /*
1022: ** If this is a persistent connection and we get a close
1023: ** then it is an error and we should recover from it by
1024: ** restarting the pipe line of requests if any
1025: */
1026: if (HTHost_isPersistent(host)) {
1.143 frystyk 1027: if (host == NULL) return HT_ERROR;
1.144 frystyk 1028: HTRequest_setFlush(request, YES);
1029: HTHost_recoverPipe(host);
1030: http->state = HTTP_BEGIN;
1031: HTHost_launchPending(host);
1032: return HT_OK;
1.141 frystyk 1033: } else
1034: http->state = HTTP_OK;
1035: }
1.143 frystyk 1036: break;
1.141 frystyk 1037:
1.71 frystyk 1038: case HTTP_ERROR:
1.143 frystyk 1039: if (HTRequest_isPostWeb(request)) {
1040: if (HTRequest_isDestination(request)) {
1041: HTRequest * source = HTRequest_source(request);
1042: HTLink *link =
1043: HTLink_find((HTAnchor *)HTRequest_anchor(source),
1044: (HTAnchor *) anchor);
1045: HTLink_setResult(link, HT_LINK_ERROR);
1046: }
1047: HTRequest_killPostWeb(request);
1048: }
1049: HTTPCleanup(request, http->result);
1050: return HT_OK;
1051: break;
1052:
1.141 frystyk 1053: default:
1054: HTTrace("bad http state %d.\n", http->state);
1055: HTDebugBreak();
1.71 frystyk 1056: }
1057: } /* End of while(1) */
1058: }
1.88 frystyk 1059:
1.147 frystyk 1060: PUBLIC void HTTP_setConnectionMode (HTTPConnectionMode mode)
1061: {
1062: ConnectionMode = mode;
1063: }
1064:
1065: PUBLIC HTTPConnectionMode HTTP_connectionMode (void)
1066: {
1067: return ConnectionMode;
1068: }
1.21 luotonen 1069:
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