Annotation of libwww/Library/src/HTTP.c, revision 1.28
1.1 timbl 1: /* HyperText Tranfer Protocol - Client implementation HTTP.c
2: ** ==========================
1.2 timbl 3: **
4: ** Bugs:
5: ** Not implemented:
6: ** Forward
7: ** Redirection
8: ** Error handling
1.1 timbl 9: */
10:
11: /* Module parameters:
12: ** -----------------
13: **
14: ** These may be undefined and redefined by syspec.h
15: */
1.2 timbl 16:
17: /* Implements:
18: */
19: #include "HTTP.h"
20:
21: #define HTTP_VERSION "HTTP/1.0"
22: #define HTTP2 /* Version is greater than 0.9 */
23:
24: #define INIT_LINE_SIZE 1024 /* Start with line buffer this big */
25: #define LINE_EXTEND_THRESH 256 /* Minimum read size */
26: #define VERSION_LENGTH 20 /* for returned protocol version */
27:
28: /* Uses:
29: */
1.1 timbl 30: #include "HTParse.h"
31: #include "HTUtils.h"
32: #include "tcp.h"
33: #include "HTTCP.h"
34: #include "HTFormat.h"
1.2 timbl 35: #include <ctype.h>
36: #include "HTAlert.h"
37: #include "HTMIME.h"
1.5 timbl 38: #include "HTML.h" /* SCW */
39: #include "HTInit.h" /* SCW */
1.21 luotonen 40: #include "HTAccess.h" /* HTRequest */
1.14 luotonen 41: #include "HTAABrow.h" /* Access Authorization */
1.20 timbl 42: #include "HTTee.h" /* Tee off a cache stream */
43: #include "HTFWriter.h" /* Write to cache file */
1.1 timbl 44:
1.2 timbl 45: struct _HTStream {
46: HTStreamClass * isa; /* all we need to know */
47: };
48:
1.25 luotonen 49: #ifdef NeXT
1.26 luotonen 50: #include "sys/types.h"
51: #include "sys/stat.h"
1.25 luotonen 52: #define S_ISDIR(m) (m & S_IFDIR)
53: #define S_ISREG(m) (m & S_IFREG)
54: #endif
1.2 timbl 55:
1.6 timbl 56: extern char * HTAppName; /* Application name: please supply */
57: extern char * HTAppVersion; /* Application version: please supply */
58:
1.19 timbl 59: PUBLIC BOOL HTCacheHTTP = YES; /* Enable caching of HTTP-retrieved files */
1.23 luotonen 60:
61:
1.21 luotonen 62: PRIVATE void parse_401_headers ARGS2(HTRequest *, req,
63: HTInputSocket *, isoc)
64: {
65: HTAAScheme scheme;
66: char *line;
67: int num_schemes = 0;
68: HTList *valid_schemes = HTList_new();
69: HTAssocList **scheme_specifics = NULL;
70: char *template = NULL;
71:
72: /* Read server reply header lines */
73:
74: if (TRACE)
75: fprintf(stderr, "Server 401 reply header lines:\n");
76:
77: while (NULL != (line = HTInputSocket_getUnfoldedLine(isoc)) &&
78: *line != 0) {
79:
80: if (TRACE) fprintf(stderr, "%s\n", line);
81:
82: if (strchr(line, ':')) { /* Valid header line */
83:
84: char *p = line;
85: char *fieldname = HTNextField(&p);
86: char *arg1 = HTNextField(&p);
87: char *args = p;
88:
89: if (0==strcasecomp(fieldname, "WWW-Authenticate:")) {
90: if (HTAA_UNKNOWN != (scheme = HTAAScheme_enum(arg1))) {
91: HTList_addObject(valid_schemes, (void*)scheme);
92: if (!scheme_specifics) {
93: int i;
94: scheme_specifics = (HTAssocList**)
95: malloc(HTAA_MAX_SCHEMES * sizeof(HTAssocList*));
96: if (!scheme_specifics)
97: outofmem(__FILE__, "parse_401_headers");
98: for (i=0; i < HTAA_MAX_SCHEMES; i++)
99: scheme_specifics[i] = NULL;
100: }
101: scheme_specifics[scheme] = HTAA_parseArgList(args);
102: num_schemes++;
103: }
104: else if (TRACE) {
105: fprintf(stderr, "Unknown scheme `%s' %s\n",
106: (arg1 ? arg1 : "(null)"),
107: "in WWW-Authenticate: field");
108: }
109: }
110:
111: else if (0==strcasecomp(fieldname, "WWW-Protection-Template:")) {
112: if (TRACE)
113: fprintf(stderr, "Protection template set to `%s'\n", arg1);
114: StrAllocCopy(template, arg1);
115: }
116:
117: } /* if a valid header line */
118: else if (TRACE) {
119: fprintf(stderr, "Invalid header line `%s' ignored\n", line);
120: } /* else invalid header line */
121: } /* while header lines remain */
122:
123: req->valid_schemes = valid_schemes;
124: req->scheme_specifics = scheme_specifics;
125: req->prot_template = template;
126: }
127:
128:
129:
1.1 timbl 130: /* Load Document from HTTP Server HTLoadHTTP()
131: ** ==============================
132: **
133: ** Given a hypertext address, this routine loads a document.
134: **
135: **
136: ** On entry,
137: ** arg is the hypertext reference of the article to be loaded.
138: **
139: ** On exit,
140: ** returns >=0 If no error, a good socket number
141: ** <0 Error.
142: **
143: ** The socket must be closed by the caller after the document has been
144: ** read.
145: **
146: */
1.19 timbl 147: PUBLIC int HTLoadHTTP ARGS1 (HTRequest *, request)
1.1 timbl 148: {
1.22 luotonen 149: CONST char * arg = NULL;
1.1 timbl 150: int s; /* Socket number for returned data */
151: int status; /* tcp return */
1.10 timbl 152: char crlf[3]; /* A CR LF equivalent string */
1.3 timbl 153: HTStream * target = NULL; /* Unconverted data */
154:
1.2 timbl 155: CONST char* gate = 0; /* disable this feature */
1.1 timbl 156: SockA soc_address; /* Binary network address */
157: SockA * sin = &soc_address;
1.2 timbl 158: BOOL extensions = YES; /* Assume good HTTP server */
1.27 luotonen 159: char * cache_file_name = NULL;
1.17 timbl 160:
1.22 luotonen 161: if (request->reason == HTAA_OK_GATEWAY) {
162: arg = request->translated;
1.23 luotonen 163:
164: /*
165: ** Cache lookup
166: */
1.27 luotonen 167: if (request->method == METHOD_GET &&
168: !request->authorization &&
169: !request->arg_keywords) {
1.23 luotonen 170:
1.27 luotonen 171: if (HTCacheLookupOrCreate(arg, &cache_file_name)) {
1.23 luotonen 172:
1.27 luotonen 173: FILE * cache_file = fopen(cache_file_name, "r");
1.23 luotonen 174:
1.27 luotonen 175: if (cache_file) {
176: HTFileCopy(cache_file, request->output_stream);
177: fclose(cache_file);
178: free(cache_file_name);
179: (*request->output_stream->isa->free)(request->output_stream);
180: return HT_LOADED;
181: }
182: free(cache_file_name);
183: cache_file_name = NULL;
184: } /* Cache lookup */
185: } /* Can use cache? */
186: } /* I'm a gateway */
1.22 luotonen 187: else {
188: arg = HTAnchor_physical(request->anchor);
189: StrAllocCopy(request->argument, arg);
190: }
191:
1.1 timbl 192: if (!arg) return -3; /* Bad if no name sepcified */
193: if (!*arg) return -2; /* Bad if name had zero length */
194:
195: /* Set up defaults:
196: */
197: #ifdef DECNET
1.2 timbl 198: sin->sdn_family = AF_DECnet; /* Family = DECnet, host order */
199: sin->sdn_objnum = DNP_OBJ; /* Default: http object number */
1.1 timbl 200: #else /* Internet */
1.2 timbl 201: sin->sin_family = AF_INET; /* Family = internet, host order */
202: sin->sin_port = htons(TCP_PORT); /* Default: http port */
1.1 timbl 203: #endif
204:
1.10 timbl 205: sprintf(crlf, "%c%c", CR, LF); /* To be corect on Mac, VM, etc */
206:
1.1 timbl 207: if (TRACE) {
208: if (gate) fprintf(stderr,
209: "HTTPAccess: Using gateway %s for %s\n", gate, arg);
210: else fprintf(stderr, "HTTPAccess: Direct access for %s\n", arg);
211: }
212:
213: /* Get node name and optional port number:
214: */
215: {
216: char *p1 = HTParse(gate ? gate : arg, "", PARSE_HOST);
217: int status = HTParseInet(sin, p1); /* TBL 920622 */
218: free(p1);
219: if (status) return status; /* No such host for example */
220: }
221:
1.15 luotonen 222: /*
223: ** Compose authorization information (this was moved here
224: ** from after the making of the connection so that the connection
225: ** wouldn't have to wait while prompting username and password
226: ** from the user). -- AL 13.10.93
227: */
228: #ifdef ACCESS_AUTH
1.21 luotonen 229: HTAA_composeAuth(request);
230: if (TRACE) {
231: if (request->authorization)
232: fprintf(stderr, "HTTP: Sending Authorization: %s\n",
233: request->authorization);
234: else
235: fprintf(stderr, "HTTP: Not sending authorization (yet)\n");
1.15 luotonen 236: }
237: #endif /* ACCESS_AUTH */
1.1 timbl 238:
1.10 timbl 239: /* Now, let's get a socket set up from the server for the data:
1.1 timbl 240: */
241: #ifdef DECNET
242: s = socket(AF_DECnet, SOCK_STREAM, 0);
243: #else
244: s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
245: #endif
246: status = connect(s, (struct sockaddr*)&soc_address, sizeof(soc_address));
247: if (status < 0) {
248: if (TRACE) fprintf(stderr,
249: "HTTP: Unable to connect to remote host for `%s' (errno = %d).\n", arg, errno);
1.17 timbl 250:
1.1 timbl 251: return HTInetStatus("connect");
252: }
253:
254: if (TRACE) fprintf(stderr, "HTTP connected, socket %d\n", s);
255:
1.17 timbl 256:
257: /* Compose and send command
258: ** ------------------------
259: */
260: {
261: char *command; /* The whole command */
262:
1.1 timbl 263: /* Ask that node for the document,
264: ** omitting the host name & anchor if not gatewayed.
265: */
1.17 timbl 266: if (gate) {
267: command = malloc(4 + strlen(arg)+ 2 + 31);
268: if (command == NULL) outofmem(__FILE__, "HTLoadHTTP");
269: strcpy(command, "GET ");
270: strcat(command, arg);
271: } else { /* not gatewayed */
272: char * p1 = HTParse(arg, "", PARSE_PATH|PARSE_PUNCTUATION);
273: command = malloc(4 + strlen(p1)+ 2 + 31);
274: if (command == NULL) outofmem(__FILE__, "HTLoadHTTP");
1.23 luotonen 275: if (request->method != METHOD_INVALID) {
276: strcpy(command, HTMethod_name(request->method));
1.22 luotonen 277: strcat(command, " ");
278: }
279: else {
280: strcpy(command, "GET ");
281: }
1.17 timbl 282: strcat(command, p1);
283: free(p1);
284: }
1.2 timbl 285: #ifdef HTTP2
1.17 timbl 286: if (extensions) {
287: strcat(command, " ");
288: strcat(command, HTTP_VERSION);
289: }
1.2 timbl 290: #endif
1.17 timbl 291:
292: strcat(command, crlf); /* CR LF, as in rfc 977 */
293:
294: if (extensions) {
1.21 luotonen 295:
1.17 timbl 296: int i;
297: HTAtom * present = WWW_PRESENT;
298: char line[256]; /*@@@@ */
1.21 luotonen 299: HTList *conversions[2];
300:
1.22 luotonen 301: if (!HTConversions) {
302: HTConversions = HTList_new();
303: HTFormatInit(HTConversions);
304: }
1.28 ! timbl 305:
1.21 luotonen 306: conversions[0] = HTConversions;
307: conversions[1] = request->conversions;
308:
309: for (i=0; i<2; i++) {
310: HTList *cur = conversions[i];
311: HTPresentation *pres;
312:
313: while ((pres = (HTPresentation*)HTList_nextObject(cur))) {
314: if (pres->rep_out == present) {
315: if (pres->quality != 1.0) {
316: sprintf(line, "Accept: %s q=%.3f%c%c",
317: HTAtom_name(pres->rep),
318: pres->quality, CR, LF);
319: } else {
320: sprintf(line, "Accept: %s%c%c",
321: HTAtom_name(pres->rep), CR, LF);
322: }
323: StrAllocCat(command, line);
1.17 timbl 324: }
325: }
1.2 timbl 326: }
1.22 luotonen 327:
328: sprintf(line, "User-Agent: %s%s %s/%s libwww/%s%c%c",
329: request->user_agent ? request->user_agent : "",
330: request->user_agent ? " VIA Gateway" : "",
1.17 timbl 331: HTAppName ? HTAppName : "unknown",
332: HTAppVersion ? HTAppVersion : "0.0",
333: HTLibraryVersion, CR, LF);
334: StrAllocCat(command, line);
335:
1.22 luotonen 336: if (request->from) {
337: sprintf(line, "From: %s%c%c", request->from, CR, LF);
338: StrAllocCat(command, line);
339: }
340:
1.14 luotonen 341: #ifdef ACCESS_AUTH
1.21 luotonen 342: if (request->authorization != NULL) {
343: sprintf(line, "Authorization: %s%c%c",
344: request->authorization, CR, LF);
1.17 timbl 345: StrAllocCat(command, line);
346: }
347: #endif /* ACCESS_AUTH */
1.22 luotonen 348:
349: if (request->content_type) {
350: sprintf(line, "Content-Type: %s%c%c",
351: HTAtom_name(request->content_type), CR, LF);
352: StrAllocCat(command, line);
353: }
354:
355: if (request->content_length > 0) {
356: sprintf(line, "Content-Length: %d%c%c",
357: request->content_length, CR, LF);
358: StrAllocCat(command, line);
359: }
360:
361:
1.14 luotonen 362: }
1.17 timbl 363:
364: StrAllocCat(command, crlf); /* Blank line means "end" */
365:
366: if (TRACE) fprintf(stderr, "HTTP Tx: %s\n", command);
367:
368: /* Translate into ASCII if necessary
369: */
1.4 timbl 370: #ifdef NOT_ASCII
1.17 timbl 371: {
372: char * p;
373: for(p = command; *p; p++) {
374: *p = TOASCII(*p);
375: }
1.1 timbl 376: }
1.3 timbl 377: #endif
1.17 timbl 378:
379: status = NETWRITE(s, command, (int)strlen(command));
380: free(command);
381: if (status<0) {
382: if (TRACE) fprintf(stderr,
383: "HTTPAccess: Unable to send command.\n");
1.1 timbl 384: return HTInetStatus("send");
1.17 timbl 385: }
386: } /* compose and send command */
387:
1.2 timbl 388:
1.17 timbl 389: /* Read the response
390: ** -----------------
1.11 timbl 391: **
392: ** HTTP0 servers must return ASCII style text, though it can in
393: ** principle be just text without any markup at all.
394: ** Full HTTP servers must return a response
395: ** line and RFC822 style header. The response must therefore in
396: ** either case have a CRLF somewhere soon.
397: **
398: ** This is the theory. In practice, there are (1993) unfortunately
399: ** many binary documents just served up with HTTP0.9. This
400: ** means we have to preserve the binary buffer (on the assumption that
401: ** conversion from ASCII may lose information) in case it turns
402: ** out that we want the binary original.
1.2 timbl 403: */
1.3 timbl 404:
1.22 luotonen 405: if (request->reason == HTAA_OK_GATEWAY) {
1.24 luotonen 406:
1.22 luotonen 407: /*
408: ** Server as a gateway -- send body of the message
409: ** received from client (if any).
410: */
411: if (request->isoc && request->content_length > 0) {
412: int remain = request->content_length;
413: int i = remain;
414: char * buf;
415:
416: while (remain > 0 &&
417: (buf = HTInputSocket_getBlock(request->isoc, &i))) {
418: int status = NETWRITE(s, buf, i);
419: if (status < 0) {
1.27 luotonen 420: CTRACE(stderr, "HTTPAccess.. Unable to forward body\n");
1.22 luotonen 421: return HTInetStatus("send");
422: }
423: remain -= i;
424: i = remain;
425: }
426: }
1.23 luotonen 427:
428: /*
429: ** Cache the document if it a GET request,
430: ** not protected and not a search request.
431: */
1.27 luotonen 432: if (cache_file_name) {
433: FILE * cache_file = fopen(cache_file_name, "w");
1.23 luotonen 434:
1.27 luotonen 435: if (cache_file) {
436: request->output_stream = HTTee(request->output_stream,
437: HTFWriter_new(cache_file));
438: CTRACE(stderr, "Gateway..... writing to cache file\n");
439: }
440: else {
441: HTCacheCancel(arg);
442: free(cache_file_name);
443: cache_file_name = NULL;
444: CTRACE(stderr, "Gateway..... couldn't create cache file\n");
1.23 luotonen 445: }
446: }
1.27 luotonen 447: else CTRACE(stderr, "Gateway..... not caching\n");
1.23 luotonen 448:
1.22 luotonen 449: /*
450: ** Load results directly to client
451: */
452: HTCopy(s, request->output_stream);
1.25 luotonen 453: (*request->output_stream->isa->free)(request->output_stream);
1.27 luotonen 454: if (cache_file_name) {
455: HTCacheCreated(arg, (time_t)0);
456: free(cache_file_name);
1.24 luotonen 457: }
1.22 luotonen 458: return HT_LOADED;
459: }
460: else { /* read response */
1.21 luotonen 461:
1.17 timbl 462: HTFormat format_in; /* Format arriving in the message */
1.21 luotonen 463: HTInputSocket *isoc = HTInputSocket_new(s);
464: char * status_line = HTInputSocket_getStatusLine(isoc);
1.2 timbl 465:
1.11 timbl 466: /* Kludge to trap binary responses from illegal HTTP0.9 servers.
467: ** First time we have enough, look at the stub in ASCII
468: ** and get out of here if it doesn't look right.
469: **
470: ** We also check for characters above 128 in the first few bytes, and
471: ** if we find them we forget the html default.
472: **
473: ** Bugs: A HTTP0.9 server returning a document starting "HTTP/"
474: ** will be taken as a HTTP 1.0 server. Failure.
475: ** An HTTP 0.9 server returning a binary document with
476: ** characters < 128 will be read as ASCII.
477: */
1.21 luotonen 478: if (!status_line) { /* HTTP0 response */
479: if (HTInputSocket_seemsBinary(isoc)) {
480: format_in = HTAtom_for("www/unknown");
481: }
482: else {
483: format_in = WWW_HTML;
484: }
485: goto copy;
486: } /* end kludge */
487:
488: if (status_line) { /* Decode full HTTP response */
489: /*
490: ** We now have a terminated server status line, and we have
491: ** checked that it is most probably a legal one. Parse it.
492: */
493: char server_version[VERSION_LENGTH+1];
494: int server_status;
495:
496: if (TRACE)
497: fprintf(stderr, "HTTP Status Line: Rx: %.70s\n", status_line);
1.17 timbl 498:
1.21 luotonen 499: sscanf(status_line, "%20s%d", server_version, &server_status);
1.2 timbl 500:
1.21 luotonen 501: format_in = HTAtom_for("www/mime");
1.7 timbl 502:
1.21 luotonen 503: switch (server_status / 100) {
1.2 timbl 504:
1.21 luotonen 505: default: /* bad number */
506: HTAlert("Unknown status reply from server!");
507: break;
1.17 timbl 508:
1.21 luotonen 509: case 3: /* Various forms of redirection */
510: HTAlert(
1.17 timbl 511: "Redirection response from server is not handled by this client");
1.21 luotonen 512: break;
1.17 timbl 513:
1.21 luotonen 514: case 4: /* Access Authorization problem */
1.14 luotonen 515: #ifdef ACCESS_AUTH
1.21 luotonen 516: switch (server_status) {
517: case 401:
518: parse_401_headers(request, isoc);
519:
520: if (TRACE) fprintf(stderr, "%s %d %s\n",
521: "HTTP: close socket", s,
522: "to retry with Access Authorization");
523: HTInputSocket_free(isoc);
524: (void)NETCLOSE(s);
1.24 luotonen 525: if (HTAA_retryWithAuth(request, HTLoadHTTP)) {
1.21 luotonen 526: status = HT_LOADED;/* @@ THIS ONLY WORKS ON LINEMODE */
527: goto clean_up;
528: }
529: /* else falltrough */
530: default:
1.14 luotonen 531: {
1.21 luotonen 532: char *p1 = HTParse(gate ? gate : arg, "",
533: PARSE_HOST);
534: char * message;
535:
536: if (!(message = (char*)malloc(strlen(status_line) +
537: strlen(p1) + 100)))
538: outofmem(__FILE__, "HTTP 4xx status");
1.14 luotonen 539: sprintf(message,
1.21 luotonen 540: "HTTP server at %s replies:\n%s\n\n%s\n",
541: p1, status_line,
542: ((server_status == 401)
543: ? "Access Authorization package giving up.\n"
544: : ""));
1.22 luotonen 545: status = HTLoadError(request, server_status, message);
1.14 luotonen 546: free(message);
547: free(p1);
548: goto clean_up;
549: }
1.21 luotonen 550: } /* switch */
551: goto clean_up;
552: break;
553: #else
554: /* case 4 without Access Authorization falls through */
555: /* to case 5 (previously "I think I goofed"). -- AL */
556: #endif /* ACCESS_AUTH */
557:
558: case 5: /* I think you goofed */
559: {
560: char *p1 = HTParse(gate ? gate : arg, "", PARSE_HOST);
561: char * message = (char*)malloc(strlen(status_line) +
562: strlen(p1) + 100);
563: if (!message) outofmem(__FILE__, "HTTP 5xx status");
564: sprintf(message,
565: "HTTP server at %s replies:\n%s", p1, status_line);
1.22 luotonen 566: status = HTLoadError(request, server_status, message);
1.21 luotonen 567: free(message);
568: free(p1);
569: goto clean_up;
570: }
571: break;
1.17 timbl 572:
1.21 luotonen 573: case 2: /* Good: Got MIME object */
574: break;
1.17 timbl 575:
1.21 luotonen 576: } /* switch on response code */
1.17 timbl 577:
1.21 luotonen 578: } /* Full HTTP reply */
1.17 timbl 579:
580:
1.3 timbl 581: /* Set up the stream stack to handle the body of the message
582: */
1.21 luotonen 583:
1.13 duns 584: copy:
1.21 luotonen 585:
1.18 timbl 586: target = HTStreamStack(format_in, request);
1.21 luotonen 587:
1.17 timbl 588: if (!target) {
589: char buffer[1024]; /* @@@@@@@@ */
590: sprintf(buffer, "Sorry, no known way of converting %s to %s.",
591: HTAtom_name(format_in), HTAtom_name(request->output_format));
592: fprintf(stderr, "HTTP: %s", buffer);
1.22 luotonen 593: status = HTLoadError(request, 501, buffer);
1.17 timbl 594: goto clean_up;
595: }
596:
1.19 timbl 597: /* @@ Bug: The decision of whether or not to cache should also be
1.21 luotonen 598: ** made contingent on a IP address match or non match.
599: */
1.19 timbl 600: if (HTCacheHTTP) {
601: target = HTTee(target, HTCacheWriter(request, NULL, format_in,
1.21 luotonen 602: request->output_format,
603: request->output_stream));
1.19 timbl 604: }
605:
1.11 timbl 606: /* Push the data down the stream
1.3 timbl 607: ** We have to remember the end of the first buffer we just read
1.2 timbl 608: */
1.17 timbl 609: if (format_in == WWW_HTML) {
610: target = HTNetToText(target); /* Pipe through CR stripper */
611: }
1.21 luotonen 612:
1.17 timbl 613: (*target->isa->put_block)(target,
1.21 luotonen 614: isoc->input_pointer,
615: isoc->input_limit - isoc->input_pointer);
616: HTInputSocket_free(isoc);
1.17 timbl 617: HTCopy(s, target);
618:
619: (*target->isa->free)(target);
620: status = HT_LOADED;
1.11 timbl 621:
1.2 timbl 622: /* Clean up
1.1 timbl 623: */
1.17 timbl 624:
625: clean_up:
626: if (TRACE) fprintf(stderr, "HTTP: close socket %d.\n", s);
627: (void) NETCLOSE(s);
628:
629: return status; /* Good return */
1.3 timbl 630:
1.17 timbl 631: } /* read response */
632: } /* load HTTP */
1.1 timbl 633:
634: /* Protocol descriptor
635: */
636:
1.17 timbl 637: GLOBALDEF PUBLIC HTProtocol HTTP = { "http", HTLoadHTTP, 0, 0 };
1.21 luotonen 638:
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