Annotation of libwww/Library/src/HTTPReq.c, revision 2.66
2.1 frystyk 1: /* HTTPReq.c
2.23 frystyk 2: ** HTTP REQUEST GENERATION
2.1 frystyk 3: **
2.32 frystyk 4: ** (c) COPYRIGHT MIT 1995.
5: ** Please first read the full copyright statement in the file COPYRIGH.
2.66 ! duerst 6: ** @(#) $Id: HTTPReq.c,v 2.65 2005/01/04 17:47:18 duerst Exp $
2.32 frystyk 7: **
2.1 frystyk 8: ** This module implements the output stream for HTTP used for sending
9: ** requests with or without a entity body.
10: **
11: ** History:
12: ** Jan 95 HFN Written from scratch
13: */
14:
15: /* Library Includes */
2.52 frystyk 16: #include "wwwsys.h"
2.28 frystyk 17: #include "WWWUtil.h"
2.32 frystyk 18: #include "WWWCore.h"
19:
2.23 frystyk 20: #include "HTTPGen.h"
2.21 frystyk 21: #include "HTTPUtil.h"
2.63 duerst 22: #include "HTDNS.h"
2.1 frystyk 23: #include "HTTPReq.h" /* Implements */
24:
2.24 frystyk 25: #define PUTC(c) (*me->target->isa->put_character)(me->target, c)
26: #define PUTS(s) (*me->target->isa->put_string)(me->target, s)
2.1 frystyk 27: #define PUTBLOCK(b, l) (*me->target->isa->put_block)(me->target, b, l)
28:
29: struct _HTStream {
2.29 frystyk 30: const HTStreamClass * isa;
2.1 frystyk 31: HTStream * target;
32: HTRequest * request;
2.18 frystyk 33: SOCKET sockfd;
2.11 frystyk 34: int version;
2.38 frystyk 35: int state;
36: char * url;
2.1 frystyk 37: BOOL transparent;
38: };
39:
40: /* ------------------------------------------------------------------------- */
41: /* HTTP Output Request Stream */
42: /* ------------------------------------------------------------------------- */
43:
2.11 frystyk 44: /* HTTP09Request
45: ** -------------
46: ** Makes a HTTP/0.9 request
2.1 frystyk 47: */
2.38 frystyk 48: PRIVATE int HTTP09Request (HTStream * me, HTRequest * request)
2.11 frystyk 49: {
2.34 frystyk 50: HTParentAnchor * anchor = HTRequest_anchor(request);
51: char * addr = HTAnchor_physical(anchor);
2.38 frystyk 52: if (!me->url) me->url = HTParse(addr, "", PARSE_PATH|PARSE_PUNCTUATION);
53: if (me->state == 0) {
2.47 frystyk 54: int status = PUTS("GET ");
55: if (status != HT_OK) return status;
2.38 frystyk 56: me->state++;
57: }
58: if (me->state == 1) {
59: int status = PUTS(me->url);
60: if (status != HT_OK) return status;
61: me->state++;
62: }
2.24 frystyk 63: PUTC(CR);
64: PUTC(LF);
2.61 frystyk 65: HTTRACE(PROT_TRACE, "HTTP........ Generating HTTP/0.9 Request\n");
2.38 frystyk 66: return HT_OK;
2.11 frystyk 67: }
68:
69: /* HTTPMakeRequest
70: ** ---------------
71: ** Makes a HTTP/1.0-1.1 request header.
72: */
2.38 frystyk 73: PRIVATE int HTTPMakeRequest (HTStream * me, HTRequest * request)
2.1 frystyk 74: {
2.39 frystyk 75: HTMethod method = HTRequest_method(request);
76: HTRqHd request_mask = HTRequest_rqHd(request);
77: HTParentAnchor * anchor = HTRequest_anchor(request);
2.43 frystyk 78: char * etag = HTAnchor_etag(anchor);
2.24 frystyk 79: char crlf[3];
80: char qstr[10];
81: *crlf = CR; *(crlf+1) = LF; *(crlf+2) = '\0';
2.1 frystyk 82:
2.41 frystyk 83: /* Generate the HTTP/1.x RequestLine */
2.38 frystyk 84: if (me->state == 0) {
2.34 frystyk 85: if (method != METHOD_INVALID) {
86: PUTS(HTMethod_name(method));
87: PUTC(' ');
88: } else
89: PUTS("GET ");
2.38 frystyk 90: me->state++;
2.34 frystyk 91: }
2.1 frystyk 92:
2.39 frystyk 93: /*
2.45 frystyk 94: ** Generate the Request URI. If we are using full request URI then it's
95: ** easy. Otherwise we must filter out the path part of the URI.
96: ** In case it's a OPTIONS request then if there is no pathinfo then use
97: ** a * instead. If we use a method different from GET or HEAD then use
98: ** the content-location if available.
2.39 frystyk 99: */
2.45 frystyk 100: if (me->state == 1) {
101: char * abs_location = NULL;
2.38 frystyk 102: char * addr = HTAnchor_physical(anchor);
2.62 kahan 103: char * location;
104:
105: /* JK: If the application specified a content-location (which is
106: stored in the request in default put-name!), we use it instead
107: of the URL that's being saved to. This is like having a user
108: defined Content-Location */
109: location = HTRequest_defaultPutName (request);
110: if (location)
111: {
112: if (HTURL_isAbsolute (location))
113: {
114: char * relative;
115: relative = HTRelative (location, location);
116: abs_location = HTParse (relative + 2, addr, PARSE_ALL);
117: HT_FREE (relative);
118: }
119: else
120: abs_location = HTParse (location, addr, PARSE_ALL);
121: addr = abs_location;
122: }
2.45 frystyk 123:
2.60 frystyk 124: #if 0
125: /*
126: ** We don't use the content-location any more as it is superseeded
127: ** by etags and the combination of the two might do more harm than
128: ** good (The etag is not guaranteed to be unique over multiple URIs)
129: */
130:
2.45 frystyk 131: /*
132: ** If we are using a method different from HEAD and GET then use
133: ** the Content-Location if available, else the Request-URI.
134: */
135: if (!HTMethod_isSafe(method)) {
136: char * location = HTAnchor_location(anchor);
137: if (location) {
138: if (HTURL_isAbsolute(location))
139: addr = location;
140: else {
141: /*
142: ** We have a content-location but it is relative and
143: ** must expand it either to the content-base or to
144: ** the Request-URI itself.
145: */
146: char * base = HTAnchor_base(anchor);
147: abs_location = HTParse(location, base, PARSE_ALL);
148: addr = abs_location;
149: }
150: }
151: }
2.60 frystyk 152: #endif
2.45 frystyk 153:
154: /*
155: ** If we are using a proxy or newer versions of HTTP then we can
156: ** send the full URL. Otherwise we only send the path.
157: */
158: if (HTRequest_fullURI(request))
159: StrAllocCopy(me->url, addr);
160: else {
161: me->url = HTParse(addr, "", PARSE_PATH | PARSE_PUNCTUATION);
2.39 frystyk 162: if (method == METHOD_OPTIONS) {
163: /*
164: ** We don't preserve the final slash or lack of same through
165: ** out the code. This is mainly for optimization reasons
2.44 frystyk 166: ** but it gives a problem OPTIONS. We can either send a "*"
167: ** or a "/" but not both. For now we send a "*".
2.39 frystyk 168: */
2.45 frystyk 169: if (!strcmp(me->url, "/")) *me->url = '*';
2.39 frystyk 170: }
2.1 frystyk 171: }
2.45 frystyk 172: HT_FREE(abs_location);
173: me->state++;
174: }
175:
176: /*
177: ** Now send the URL that we have put together
178: */
179: if (me->state == 2) {
180: int status = HT_OK;
181: if ((status = PUTS(me->url)) != HT_OK) return status;
2.38 frystyk 182: me->state++;
2.48 frystyk 183:
184: #if 0
185: fprintf(stderr, "Requesting '%s'\n", me->url);
186: #endif
187:
2.1 frystyk 188: }
2.25 frystyk 189: PUTC(' ');
2.41 frystyk 190:
191: /*
192: ** Send out the version number. If we know it is a HTTP/1.0 server we
193: ** are talking to then use HTTP/1.0, else use HTTP/1.1 as default version
194: ** number
195: */
196: if (me->version == HTTP_10)
197: PUTS(HTTP_VERSION_10);
198: else
199: PUTS(HTTP_VERSION);
2.24 frystyk 200: PUTBLOCK(crlf, 2);
2.1 frystyk 201:
2.4 frystyk 202: /* Request Headers */
2.34 frystyk 203: if (request_mask & HT_C_ACCEPT_TYPE) {
2.58 frystyk 204: HTFormat format = HTRequest_outputFormat(request);
205:
2.37 frystyk 206: /*
207: ** If caller has specified a specific output format then use this.
208: ** Otherwise use all the registered converters to generate the
209: ** accept header
210: */
2.58 frystyk 211: if (format == WWW_PRESENT) {
2.37 frystyk 212: int list;
213: HTList *cur;
214: BOOL first=YES;
215: for (list=0; list<2; list++) {
216: if ((!list && ((cur = HTFormat_conversion()) != NULL)) ||
217: (list && ((cur = HTRequest_conversion(request))!=NULL))) {
218: HTPresentation * pres;
219: while ((pres=(HTPresentation *) HTList_nextObject(cur))) {
220: if (pres->rep_out==WWW_PRESENT && pres->quality<=1.0) {
221: if (first) {
222: PUTS("Accept: ");
223: first=NO;
224: } else
225: PUTC(',');
226: PUTS(HTAtom_name(pres->rep));
2.46 frystyk 227: if (pres->quality < 1.0 && pres->quality >= 0.0) {
2.37 frystyk 228: sprintf(qstr, ";q=%1.1f", pres->quality);
229: PUTS(qstr);
230: }
2.1 frystyk 231: }
232: }
233: }
234: }
2.37 frystyk 235: if (!first) PUTBLOCK(crlf, 2);
236: } else {
2.58 frystyk 237:
238: /*
239: ** If we have an explicit output format then only send
240: ** this one if not this is an internal libwww format
241: ** of type www/<star>
242: */
243: if (!HTMIMEMatch(WWW_INTERNAL, format)) {
244: PUTS("Accept: ");
245: PUTS(HTAtom_name(format));
246: PUTBLOCK(crlf, 2);
247: }
2.37 frystyk 248: }
2.1 frystyk 249: }
2.34 frystyk 250: if (request_mask & HT_C_ACCEPT_CHAR) {
2.4 frystyk 251: int list;
252: HTList *cur;
2.24 frystyk 253: BOOL first=YES;
2.4 frystyk 254: for (list=0; list<2; list++) {
2.14 frystyk 255: if ((!list && ((cur = HTFormat_charset()) != NULL)) ||
256: (list && ((cur = HTRequest_charset(request)) != NULL))) {
2.4 frystyk 257: HTAcceptNode *pres;
258: while ((pres = (HTAcceptNode *) HTList_nextObject(cur))) {
2.5 frystyk 259: if (first) {
2.24 frystyk 260: PUTS("Accept-Charset: ");
2.5 frystyk 261: first=NO;
2.24 frystyk 262: } else
263: PUTC(',');
264: PUTS(HTAtom_name(pres->atom));
2.46 frystyk 265: if (pres->quality < 1.0 && pres->quality >= 0.0) {
266: sprintf(qstr, ";q=%1.1f", pres->quality);
267: PUTS(qstr);
268: }
2.4 frystyk 269: }
270: }
271: }
2.31 frystyk 272: if (!first) PUTBLOCK(crlf, 2);
2.4 frystyk 273: }
2.34 frystyk 274: if (request_mask & HT_C_ACCEPT_ENC) {
2.4 frystyk 275: int list;
276: HTList *cur;
2.24 frystyk 277: BOOL first=YES;
2.4 frystyk 278: for (list=0; list<2; list++) {
2.33 frystyk 279: if ((!list && ((cur = HTFormat_contentCoding()) != NULL)) ||
2.14 frystyk 280: (list && ((cur = HTRequest_encoding(request)) != NULL))) {
2.33 frystyk 281: HTCoding * pres;
282: while ((pres = (HTCoding *) HTList_nextObject(cur))) {
2.46 frystyk 283: double quality = HTCoding_quality(pres);
2.5 frystyk 284: if (first) {
2.24 frystyk 285: PUTS("Accept-Encoding: ");
2.32 frystyk 286: first = NO;
2.24 frystyk 287: } else
288: PUTC(',');
2.33 frystyk 289: PUTS(HTCoding_name(pres));
2.46 frystyk 290: if (quality < 1.0 && quality >= 0.0) {
291: sprintf(qstr, ";q=%1.1f", quality);
292: PUTS(qstr);
293: }
294: }
295: }
296: }
297: if (!first) PUTBLOCK(crlf, 2);
298: }
299: if (request_mask & HT_C_ACCEPT_TE) {
300: int list;
301: HTList *cur;
302: BOOL first=YES;
303: for (list=0; list<2; list++) {
304: if ((!list && ((cur = HTFormat_transferCoding()) != NULL)) ||
305: (list && ((cur = HTRequest_transfer(request)) != NULL))) {
306: HTCoding * pres;
307: while ((pres = (HTCoding *) HTList_nextObject(cur))) {
308: double quality = HTCoding_quality(pres);
2.55 frystyk 309: const char * coding = HTCoding_name(pres);
2.46 frystyk 310: if (first) {
311: PUTS("TE: ");
312: first = NO;
313: } else
314: PUTC(',');
2.55 frystyk 315:
316: /* Special check for "chunked" which is translated to "trailers" */
317: if (!strcasecomp(coding, "chunked"))
318: PUTS("trailers");
319: else
320: PUTS(coding);
2.46 frystyk 321: if (quality < 1.0 && quality >= 0.0) {
322: sprintf(qstr, ";q=%1.1f", quality);
323: PUTS(qstr);
324: }
2.4 frystyk 325: }
326: }
327: }
2.31 frystyk 328: if (!first) PUTBLOCK(crlf, 2);
2.4 frystyk 329: }
2.34 frystyk 330: if (request_mask & HT_C_ACCEPT_LAN) {
2.4 frystyk 331: int list;
332: HTList *cur;
2.24 frystyk 333: BOOL first=YES;
2.4 frystyk 334: for (list=0; list<2; list++) {
2.14 frystyk 335: if ((!list && ((cur = HTFormat_language()) != NULL)) ||
336: (list && ((cur = HTRequest_language(request)) != NULL))) {
2.4 frystyk 337: HTAcceptNode *pres;
338: while ((pres = (HTAcceptNode *) HTList_nextObject(cur))) {
2.5 frystyk 339: if (first) {
2.24 frystyk 340: PUTS("Accept-Language: ");
2.5 frystyk 341: first=NO;
2.24 frystyk 342: } else
343: PUTC(',');
344: PUTS(HTAtom_name(pres->atom));
2.46 frystyk 345: if (pres->quality < 1.0 && pres->quality >= 0.0) {
2.24 frystyk 346: sprintf(qstr, ";q=%1.1f", pres->quality);
347: PUTS(qstr);
2.5 frystyk 348: }
2.4 frystyk 349: }
350: }
351: }
2.31 frystyk 352: if (!first) PUTBLOCK(crlf, 2);
2.4 frystyk 353: }
2.36 frystyk 354: if (request_mask & HT_C_AUTH) {
2.34 frystyk 355: HTAssocList * cur = HTRequest_credentials(request);
356: if (cur) { /* Access authentication */
357: HTAssoc * pres;
358: while ((pres = (HTAssoc *) HTAssocList_nextObject(cur))) {
359: PUTS(HTAssoc_name(pres));
360: PUTS(": ");
361: PUTS(HTAssoc_value(pres));
362: PUTBLOCK(crlf, 2);
363: }
2.28 frystyk 364: }
2.1 frystyk 365: }
2.46 frystyk 366: if (request_mask & HT_C_EXPECT) {
367: HTAssocList * cur = HTRequest_expect(request);
368: if (cur) {
369: BOOL first=YES;
370: HTAssoc * pres;
371: while ((pres = (HTAssoc *) HTAssocList_nextObject(cur))) {
372: char * value = HTAssoc_value(pres);
373: if (first) {
374: PUTS("Expect: ");
375: first = NO;
376: } else
377: PUTC(',');
378:
379: /* Output the name */
380: PUTS(HTAssoc_name(pres));
381:
382: /* Only output the value if not empty string */
383: if (*value) {
384: PUTS("=");
385: PUTS(value);
386: }
387: }
388: PUTBLOCK(crlf, 2);
389: }
390: }
2.34 frystyk 391: if (request_mask & HT_C_FROM) {
392: HTUserProfile * up = HTRequest_userProfile(request);
393: const char * mailaddress = HTUserProfile_email(up);
2.1 frystyk 394: if (mailaddress) {
2.24 frystyk 395: PUTS("From: ");
396: PUTS(mailaddress);
397: PUTBLOCK(crlf, 2);
2.1 frystyk 398: }
399: }
2.34 frystyk 400: if (request_mask & HT_C_HOST) {
2.13 frystyk 401: char *orig = HTAnchor_address((HTAnchor *) anchor);
2.12 frystyk 402: char *host = HTParse(orig, "", PARSE_HOST);
2.64 duerst 403: char hostace[256];
2.34 frystyk 404: #if 0
405: /* Keep the port number for HTTP/1.1 compliance */
2.12 frystyk 406: char *ptr = strchr(host, ':'); /* Chop off port number */
407: if (ptr) *ptr = '\0';
2.34 frystyk 408: #endif
2.63 duerst 409: PUTS("Host: ");
2.64 duerst 410: /****** still have to check UTF8toACE with port number */
411: if (!HTACEfromUTF8 (host, hostace, 255)) {
2.63 duerst 412: PUTS(hostace);
413: }
414: else {
415: PUTS(host); /* this may be dangerous, but helps server side debugging */
2.66 ! duerst 416: HTTRACE(PROT_TRACE, "HTTP........ Error: Cannot convert to ACE: `%s\'\n" _ host);
2.63 duerst 417: }
2.24 frystyk 418: PUTBLOCK(crlf, 2);
2.26 frystyk 419: HT_FREE(orig);
420: HT_FREE(host);
2.39 frystyk 421: }
2.42 frystyk 422:
423: /*
424: ** In the "If-*" series of headers, the ones related to etags have higher
425: ** priority than the date relates ones. That is, if we have a etag then
2.45 frystyk 426: ** use that, otherwise use the date. First we check for range, match, and
427: ** unmodified-since.
2.42 frystyk 428: */
2.45 frystyk 429: if (request_mask & HT_C_IF_RANGE && etag) {
430: PUTS("If-Range: \"");
431: PUTS(etag);
432: PUTC('"');
433: PUTBLOCK(crlf, 2);
2.61 frystyk 434: HTTRACE(PROT_TRACE, "HTTP........ If-Range using etag `%s\'\n" _ etag);
2.57 frystyk 435: } else if (request_mask & HT_C_IF_MATCH_ANY) {
2.56 frystyk 436: PUTS("If-Match: *");
437: PUTBLOCK(crlf, 2);
2.61 frystyk 438: HTTRACE(PROT_TRACE, "HTTP........ If-Match using `*\'\n");
2.45 frystyk 439: } else if (request_mask & HT_C_IF_MATCH && etag) {
2.43 frystyk 440: PUTS("If-Match: \"");
441: PUTS(etag);
442: PUTC('"');
443: PUTBLOCK(crlf, 2);
2.61 frystyk 444: HTTRACE(PROT_TRACE, "HTTP........ If-Match using etag `%s\'\n" _ etag);
2.43 frystyk 445: } else if (request_mask & HT_C_IF_UNMOD_SINCE) {
2.42 frystyk 446: time_t lm = HTAnchor_lastModified(anchor);
447: if (lm > 0) {
2.43 frystyk 448: PUTS("If-Unmodified-Since: ");
2.42 frystyk 449: PUTS(HTDateTimeStr(&lm, NO));
450: PUTBLOCK(crlf, 2);
2.61 frystyk 451: HTTRACE(PROT_TRACE, "HTTP........ If-Unmodified-Since `%s\'\n" _ HTDateTimeStr(&lm, NO));
2.42 frystyk 452: }
453: }
2.45 frystyk 454:
455: /*
456: ** If-None-Match and If-Modified-Since are equivalent except that the
457: ** first uses etags and the second uses dates. Etags have precedence over
458: ** dates.
459: */
2.57 frystyk 460: if (request_mask & HT_C_IF_NONE_MATCH_ANY) {
2.56 frystyk 461: PUTS("If-None-Match: *");
462: PUTBLOCK(crlf, 2);
2.61 frystyk 463: HTTRACE(PROT_TRACE, "HTTP........ If-None-Match using `*\'\n");
2.56 frystyk 464: } else if (request_mask & HT_C_IF_NONE_MATCH && etag) {
2.43 frystyk 465: PUTS("If-None-Match: \"");
466: PUTS(etag);
467: PUTC('"');
468: PUTBLOCK(crlf, 2);
2.61 frystyk 469: HTTRACE(PROT_TRACE, "HTTP........ If-None-Match `%s\'\n" _ etag);
2.46 frystyk 470: }
471: if (request_mask & HT_C_IMS) {
2.42 frystyk 472: time_t lm = HTAnchor_lastModified(anchor);
473: if (lm > 0) {
2.43 frystyk 474: PUTS("If-Modified-Since: ");
2.42 frystyk 475: PUTS(HTDateTimeStr(&lm, NO));
476: PUTBLOCK(crlf, 2);
2.61 frystyk 477: HTTRACE(PROT_TRACE, "HTTP........ If-Modified-Since `%s\'\n" _ HTDateTimeStr(&lm, NO));
2.42 frystyk 478: }
479: }
480:
2.45 frystyk 481: /*
482: ** Max forwards is mainly for TRACE where we want to be able to stop the
483: ** TRACE at a specific location un the message path.
484: */
2.39 frystyk 485: if (request_mask & HT_C_MAX_FORWARDS) {
486: int hops = HTRequest_maxForwards(request);
487: if (hops >= 0) {
488: sprintf(qstr, "%d", hops);
489: PUTS("Max-Forwards: ");
490: PUTS(qstr);
491: PUTBLOCK(crlf, 2);
492: }
2.42 frystyk 493: }
2.45 frystyk 494:
495: /*
496: ** Range requests. For now, we only take the first entry registered for
497: ** this request. This means that you can only send a single "unit" and
498: ** then a set of range within this unit. This is in accordance with
499: ** HTTP/1.1. Multiple units will go on multiple lines.
500: */
2.42 frystyk 501: if (request_mask & HT_C_RANGE) {
2.45 frystyk 502: HTAssocList * cur = HTRequest_range(request);
503: if (cur) { /* Range requests */
504: HTAssoc * pres;
505: while ((pres = (HTAssoc *) HTAssocList_nextObject(cur))) {
506: PUTS("Range: ");
507: PUTS(HTAssoc_name(pres)); /* Unit */
508: PUTS("=");
509: PUTS(HTAssoc_value(pres)); /* Ranges within this unit */
510: PUTBLOCK(crlf, 2);
511: }
512: }
2.1 frystyk 513: }
2.34 frystyk 514: if (request_mask & HT_C_REFERER) {
515: HTParentAnchor * parent_anchor = HTRequest_parent(request);
516: if (parent_anchor) {
517: char * act = HTAnchor_address((HTAnchor *) anchor);
518: char * parent = HTAnchor_address((HTAnchor *) parent_anchor);
2.50 frystyk 519: #if 1
520: char * relative = HTRelative(parent, act);
521: #else
2.34 frystyk 522: char * relative = HTParse(parent, act,
523: PARSE_ACCESS|PARSE_HOST|PARSE_PATH|PARSE_PUNCTUATION);
2.50 frystyk 524: #endif
2.34 frystyk 525: if (relative && *relative) {
526: PUTS("Referer: ");
2.50 frystyk 527: PUTS(relative);
2.34 frystyk 528: PUTBLOCK(crlf, 2);
529: }
530: HT_FREE(act);
531: HT_FREE(parent);
532: HT_FREE(relative);
2.1 frystyk 533: }
534: }
2.34 frystyk 535: if (request_mask & HT_C_USER_AGENT) {
2.24 frystyk 536: PUTS("User-Agent: ");
537: PUTS(HTLib_appName());
538: PUTC('/');
539: PUTS(HTLib_appVersion());
540: PUTC(' ');
541: PUTS(HTLib_name());
542: PUTC('/');
543: PUTS(HTLib_version());
544: PUTBLOCK(crlf, 2);
2.1 frystyk 545: }
2.61 frystyk 546: HTTRACE(PROT_TRACE, "HTTP........ Generating HTTP/1.x Request Headers\n");
2.38 frystyk 547: return HT_OK;
2.1 frystyk 548: }
549:
2.29 frystyk 550: PRIVATE int HTTPRequest_put_block (HTStream * me, const char * b, int l)
2.1 frystyk 551: {
2.7 frystyk 552: if (!me->target) {
2.1 frystyk 553: return HT_WOULD_BLOCK;
2.7 frystyk 554: } else if (me->transparent)
2.11 frystyk 555: return b ? PUTBLOCK(b, l) : HT_OK;
2.1 frystyk 556: else {
2.38 frystyk 557: int status = HT_OK;
558: if (me->version == HTTP_09) {
559: status = HTTP09Request(me, me->request);
560: if (status != HT_OK) return status;
561: } else {
562: status = HTTPMakeRequest(me, me->request);
563: if (status != HT_OK) return status;
2.1 frystyk 564: me->transparent = YES;
2.11 frystyk 565: return b ? PUTBLOCK(b, l) : HT_OK;
2.1 frystyk 566: }
567: return status;
568: }
569: }
570:
2.16 frystyk 571: PRIVATE int HTTPRequest_put_character (HTStream * me, char c)
2.1 frystyk 572: {
2.11 frystyk 573: return HTTPRequest_put_block(me, &c, 1);
2.1 frystyk 574: }
575:
2.29 frystyk 576: PRIVATE int HTTPRequest_put_string (HTStream * me, const char * s)
2.1 frystyk 577: {
2.11 frystyk 578: return HTTPRequest_put_block(me, s, strlen(s));
2.1 frystyk 579: }
580:
581: /*
582: ** Flushes data but doesn't free stream object
583: */
2.16 frystyk 584: PRIVATE int HTTPRequest_flush (HTStream * me)
2.1 frystyk 585: {
2.13 frystyk 586: int status = HTTPRequest_put_block(me, NULL, 0);
587: return status==HT_OK ? (*me->target->isa->flush)(me->target) : status;
2.1 frystyk 588: }
589:
590: /*
591: ** Flushes data and frees stream object
592: */
2.16 frystyk 593: PRIVATE int HTTPRequest_free (HTStream * me)
2.1 frystyk 594: {
2.11 frystyk 595: int status = HTTPRequest_flush(me);
596: if (status != HT_WOULD_BLOCK) {
597: if ((status = (*me->target->isa->_free)(me->target)) == HT_WOULD_BLOCK)
598: return HT_WOULD_BLOCK;
2.38 frystyk 599: HT_FREE(me->url);
2.26 frystyk 600: HT_FREE(me);
2.1 frystyk 601: }
2.7 frystyk 602: return status;
2.1 frystyk 603: }
604:
2.16 frystyk 605: PRIVATE int HTTPRequest_abort (HTStream * me, HTList * e)
2.1 frystyk 606: {
2.61 frystyk 607: HTTRACE(PROT_TRACE, "HTTPRequest. ABORTING...\n");
2.51 kahan 608: /* JK: Added protection against NULL pointers */
2.49 frystyk 609: if (me) {
2.51 kahan 610: if (me->target && me->target->isa)
611: (*me->target->isa->abort)(me->target, e);
612: if (me->url)
613: HT_FREE(me->url);
2.49 frystyk 614: HT_FREE(me);
615: }
2.1 frystyk 616: return HT_ERROR;
617: }
618:
619: /* HTTPRequest Stream
620: ** -----------------
621: */
2.29 frystyk 622: PRIVATE const HTStreamClass HTTPRequestClass =
2.1 frystyk 623: {
624: "HTTPRequest",
625: HTTPRequest_flush,
626: HTTPRequest_free,
627: HTTPRequest_abort,
628: HTTPRequest_put_character,
629: HTTPRequest_put_string,
630: HTTPRequest_put_block
631: };
632:
2.23 frystyk 633: PUBLIC HTStream * HTTPRequest_new (HTRequest * request, HTStream * target,
2.45 frystyk 634: BOOL endHeader, int version)
2.1 frystyk 635: {
2.26 frystyk 636: HTStream * me;
637: if ((me = (HTStream *) HT_CALLOC(1, sizeof(HTStream))) == NULL)
638: HT_OUTOFMEM("HTTPRequest_new");
2.1 frystyk 639: me->isa = &HTTPRequestClass;
640: me->target = target;
641: me->request = request;
2.45 frystyk 642: me->version = version;
2.1 frystyk 643: me->transparent = NO;
2.46 frystyk 644:
645: /*
646: ** If sending a body in the request then we want a 100 code!
647: */
648: if (HTMethod_hasEntity(HTRequest_method(request)))
649: HTRequest_addExpect(request, "100-continue", "");
650:
2.23 frystyk 651:
652: /* Return general HTTP header stream */
2.45 frystyk 653: return HTTPGen_new(request, me, endHeader, version);
2.1 frystyk 654: }
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