Annotation of libwww/Library/src/HTTP.c, revision 1.54
1.44 frystyk 1: /* HyperText73 Tranfer Protocol - Client implementation HTTP.c
1.1 timbl 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 */
1.54 ! luotonen 44: #include "HTError.h"
1.1 timbl 45:
1.2 timbl 46: struct _HTStream {
47: HTStreamClass * isa; /* all we need to know */
48: };
49:
1.6 timbl 50: extern char * HTAppName; /* Application name: please supply */
51: extern char * HTAppVersion; /* Application version: please supply */
52:
1.50 luotonen 53: #ifdef OLD_CODE
1.37 luotonen 54: PUBLIC long HTProxyBytes = 0; /* Number of bytes transferred thru proxy */
1.50 luotonen 55: #endif
56:
1.37 luotonen 57: extern BOOL using_proxy; /* are we using a proxy gateway? */
58: PUBLIC char * HTProxyHeaders = NULL; /* Headers to pass as-is */
1.23 luotonen 59:
1.21 luotonen 60: PRIVATE void parse_401_headers ARGS2(HTRequest *, req,
61: HTInputSocket *, isoc)
62: {
63: HTAAScheme scheme;
64: char *line;
65: int num_schemes = 0;
66: HTList *valid_schemes = HTList_new();
67: HTAssocList **scheme_specifics = NULL;
68: char *template = NULL;
69:
70: /* Read server reply header lines */
71:
72: if (TRACE)
73: fprintf(stderr, "Server 401 reply header lines:\n");
74:
75: while (NULL != (line = HTInputSocket_getUnfoldedLine(isoc)) &&
76: *line != 0) {
77:
78: if (TRACE) fprintf(stderr, "%s\n", line);
79:
80: if (strchr(line, ':')) { /* Valid header line */
81:
82: char *p = line;
83: char *fieldname = HTNextField(&p);
84: char *arg1 = HTNextField(&p);
85: char *args = p;
86:
87: if (0==strcasecomp(fieldname, "WWW-Authenticate:")) {
88: if (HTAA_UNKNOWN != (scheme = HTAAScheme_enum(arg1))) {
89: HTList_addObject(valid_schemes, (void*)scheme);
90: if (!scheme_specifics) {
91: int i;
92: scheme_specifics = (HTAssocList**)
93: malloc(HTAA_MAX_SCHEMES * sizeof(HTAssocList*));
94: if (!scheme_specifics)
95: outofmem(__FILE__, "parse_401_headers");
96: for (i=0; i < HTAA_MAX_SCHEMES; i++)
97: scheme_specifics[i] = NULL;
98: }
99: scheme_specifics[scheme] = HTAA_parseArgList(args);
100: num_schemes++;
101: }
102: else if (TRACE) {
103: fprintf(stderr, "Unknown scheme `%s' %s\n",
104: (arg1 ? arg1 : "(null)"),
105: "in WWW-Authenticate: field");
106: }
107: }
108:
109: else if (0==strcasecomp(fieldname, "WWW-Protection-Template:")) {
110: if (TRACE)
111: fprintf(stderr, "Protection template set to `%s'\n", arg1);
112: StrAllocCopy(template, arg1);
113: }
114:
115: } /* if a valid header line */
116: else if (TRACE) {
117: fprintf(stderr, "Invalid header line `%s' ignored\n", line);
118: } /* else invalid header line */
1.44 frystyk 119: free(line);
1.21 luotonen 120: } /* while header lines remain */
1.44 frystyk 121: FREE(line);
1.21 luotonen 122: req->valid_schemes = valid_schemes;
123: req->scheme_specifics = scheme_specifics;
124: req->prot_template = template;
125: }
126:
127:
128:
1.1 timbl 129: /* Load Document from HTTP Server HTLoadHTTP()
130: ** ==============================
131: **
132: ** Given a hypertext address, this routine loads a document.
133: **
134: **
135: ** On entry,
136: ** arg is the hypertext reference of the article to be loaded.
137: **
138: ** On exit,
139: ** returns >=0 If no error, a good socket number
140: ** <0 Error.
141: **
142: ** The socket must be closed by the caller after the document has been
143: ** read.
144: **
145: */
1.19 timbl 146: PUBLIC int HTLoadHTTP ARGS1 (HTRequest *, request)
1.1 timbl 147: {
1.22 luotonen 148: CONST char * arg = NULL;
1.1 timbl 149: int s; /* Socket number for returned data */
150: int status; /* tcp return */
1.10 timbl 151: char crlf[3]; /* A CR LF equivalent string */
1.3 timbl 152: HTStream * target = NULL; /* Unconverted data */
1.46 frystyk 153: BOOL cache_http = YES; /* Enable caching of HTTP-retrieved files */
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;
1.40 frystyk 158: BOOL extensions = YES; /* Assume good HTTP server */
1.36 frystyk 159:
1.50 luotonen 160: #ifdef OLD_CODE
1.37 luotonen 161: if (HTImProxy) HTProxyBytes = 0;
1.50 luotonen 162: #endif
1.23 luotonen 163:
1.37 luotonen 164: arg = HTAnchor_physical(request->anchor);
1.22 luotonen 165:
1.1 timbl 166: if (!arg) return -3; /* Bad if no name sepcified */
167: if (!*arg) return -2; /* Bad if name had zero length */
168:
169: /* Set up defaults:
170: */
171: #ifdef DECNET
1.2 timbl 172: sin->sdn_family = AF_DECnet; /* Family = DECnet, host order */
173: sin->sdn_objnum = DNP_OBJ; /* Default: http object number */
1.1 timbl 174: #else /* Internet */
1.2 timbl 175: sin->sin_family = AF_INET; /* Family = internet, host order */
176: sin->sin_port = htons(TCP_PORT); /* Default: http port */
1.1 timbl 177: #endif
178:
1.10 timbl 179: sprintf(crlf, "%c%c", CR, LF); /* To be corect on Mac, VM, etc */
180:
1.1 timbl 181: if (TRACE) {
182: if (gate) fprintf(stderr,
183: "HTTPAccess: Using gateway %s for %s\n", gate, arg);
184: else fprintf(stderr, "HTTPAccess: Direct access for %s\n", arg);
185: }
186:
187: /* Get node name and optional port number:
188: */
189: {
190: char *p1 = HTParse(gate ? gate : arg, "", PARSE_HOST);
191: int status = HTParseInet(sin, p1); /* TBL 920622 */
1.49 luotonen 192: if (status) {
1.54 ! luotonen 193: #if 0
1.49 luotonen 194: HTAddError2(request,"No such host:",p1);
1.54 ! luotonen 195: #endif
! 196: HTErrorAdd(request, ERR_FATAL, NO, HTERR_NO_REMOTE_HOST,
! 197: (void*)p1, strlen(p1), "HTLoadHTTP");
1.49 luotonen 198: free(p1);
199: return status; /* No such host for example */
200: }
1.1 timbl 201: free(p1);
202: }
203:
1.15 luotonen 204: /*
205: ** Compose authorization information (this was moved here
206: ** from after the making of the connection so that the connection
207: ** wouldn't have to wait while prompting username and password
208: ** from the user). -- AL 13.10.93
209: */
210: #ifdef ACCESS_AUTH
1.21 luotonen 211: HTAA_composeAuth(request);
212: if (TRACE) {
213: if (request->authorization)
214: fprintf(stderr, "HTTP: Sending Authorization: %s\n",
215: request->authorization);
216: else
217: fprintf(stderr, "HTTP: Not sending authorization (yet)\n");
1.15 luotonen 218: }
219: #endif /* ACCESS_AUTH */
1.1 timbl 220:
1.10 timbl 221: /* Now, let's get a socket set up from the server for the data:
1.1 timbl 222: */
223: #ifdef DECNET
224: s = socket(AF_DECnet, SOCK_STREAM, 0);
225: #else
226: s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
227: #endif
228: status = connect(s, (struct sockaddr*)&soc_address, sizeof(soc_address));
229: if (status < 0) {
230: if (TRACE) fprintf(stderr,
1.30 frystyk 231: "HTTP: Unable to connect to remote host for `%s' (errno = %d).\n",
232: arg, errno);
1.54 ! luotonen 233: #if 0
1.51 luotonen 234: HTAddError2(request,"Unable to connect to remote host:",
235: HTErrnoString());
1.54 ! luotonen 236: #endif
! 237: HTErrorSysAdd(request, ERR_FATAL, NO, "connect");
1.1 timbl 238: return HTInetStatus("connect");
239: }
240:
241: if (TRACE) fprintf(stderr, "HTTP connected, socket %d\n", s);
242:
1.17 timbl 243:
244: /* Compose and send command
245: ** ------------------------
246: */
247: {
248: char *command; /* The whole command */
249:
1.1 timbl 250: /* Ask that node for the document,
251: ** omitting the host name & anchor if not gatewayed.
252: */
1.37 luotonen 253: if (gate) { /* This is no longer used, and could be thrown away */
1.17 timbl 254: command = malloc(4 + strlen(arg)+ 2 + 31);
255: if (command == NULL) outofmem(__FILE__, "HTLoadHTTP");
256: strcpy(command, "GET ");
257: strcat(command, arg);
258: } else { /* not gatewayed */
259: char * p1 = HTParse(arg, "", PARSE_PATH|PARSE_PUNCTUATION);
260: command = malloc(4 + strlen(p1)+ 2 + 31);
261: if (command == NULL) outofmem(__FILE__, "HTLoadHTTP");
1.23 luotonen 262: if (request->method != METHOD_INVALID) {
263: strcpy(command, HTMethod_name(request->method));
1.22 luotonen 264: strcat(command, " ");
265: }
266: else {
267: strcpy(command, "GET ");
268: }
1.37 luotonen 269: /* if we are using a proxy gateway don't copy in the first slash
270: ** of say: /gopher://a;lkdjfl;ajdf;lkj/;aldk/adflj
271: ** so that just gohper://.... is sent.
272: */
273: if (using_proxy)
274: strcat(command, p1+1);
275: else
276: strcat(command, p1);
1.17 timbl 277: free(p1);
278: }
1.2 timbl 279: #ifdef HTTP2
1.17 timbl 280: if (extensions) {
281: strcat(command, " ");
282: strcat(command, HTTP_VERSION);
283: }
1.2 timbl 284: #endif
1.17 timbl 285:
286: strcat(command, crlf); /* CR LF, as in rfc 977 */
287:
1.37 luotonen 288: if (extensions && HTImProxy && HTProxyHeaders) {
289: StrAllocCat(command, HTProxyHeaders);
290: }
291: else if (extensions) {
1.21 luotonen 292:
1.17 timbl 293: int i;
294: HTAtom * present = WWW_PRESENT;
295: char line[256]; /*@@@@ */
1.21 luotonen 296: HTList *conversions[2];
297:
1.22 luotonen 298: if (!HTConversions) {
299: HTConversions = HTList_new();
1.34 frystyk 300: /* HTFormatInit(HTConversions); App may do this not us tbl940210 */
1.22 luotonen 301: }
1.28 timbl 302:
1.21 luotonen 303: conversions[0] = HTConversions;
304: conversions[1] = request->conversions;
305:
1.34 frystyk 306:
1.21 luotonen 307: for (i=0; i<2; i++) {
308: HTList *cur = conversions[i];
309: HTPresentation *pres;
310:
311: while ((pres = (HTPresentation*)HTList_nextObject(cur))) {
312: if (pres->rep_out == present) {
313: if (pres->quality != 1.0) {
1.35 frystyk 314: sprintf(line, "Accept: %s; q=%.3f%c%c",
1.21 luotonen 315: HTAtom_name(pres->rep),
316: pres->quality, CR, LF);
317: } else {
318: sprintf(line, "Accept: %s%c%c",
319: HTAtom_name(pres->rep), CR, LF);
320: }
321: StrAllocCat(command, line);
1.17 timbl 322: }
323: }
1.2 timbl 324: }
1.22 luotonen 325:
1.37 luotonen 326: sprintf(line, "User-Agent: %s/%s libwww/%s%c%c",
1.17 timbl 327: HTAppName ? HTAppName : "unknown",
328: HTAppVersion ? HTAppVersion : "0.0",
329: HTLibraryVersion, CR, LF);
1.37 luotonen 330: StrAllocCat(command, line);
1.45 luotonen 331:
332: #ifdef ACCESS_AUTH
333: if (request->authorization != NULL) {
334: sprintf(line, "Authorization: %s%c%c",
335: request->authorization, CR, LF);
336: StrAllocCat(command, line);
337: }
338: #endif /* ACCESS_AUTH */
339:
1.37 luotonen 340: }
1.22 luotonen 341:
1.17 timbl 342: StrAllocCat(command, crlf); /* Blank line means "end" */
343:
344: if (TRACE) fprintf(stderr, "HTTP Tx: %s\n", command);
345:
346: /* Translate into ASCII if necessary
347: */
1.4 timbl 348: #ifdef NOT_ASCII
1.17 timbl 349: {
350: char * p;
351: for(p = command; *p; p++) {
352: *p = TOASCII(*p);
353: }
1.1 timbl 354: }
1.3 timbl 355: #endif
1.17 timbl 356:
357: status = NETWRITE(s, command, (int)strlen(command));
358: free(command);
359: if (status<0) {
360: if (TRACE) fprintf(stderr,
361: "HTTPAccess: Unable to send command.\n");
1.54 ! luotonen 362: #if 0
1.51 luotonen 363: HTAddError2(request,"Couldn't send request:",HTErrnoString());
1.54 ! luotonen 364: #endif
! 365: HTErrorSysAdd(request, ERR_FATAL, NO, "NETWRITE");
1.1 timbl 366: return HTInetStatus("send");
1.17 timbl 367: }
368: } /* compose and send command */
369:
1.2 timbl 370:
1.17 timbl 371: /* Read the response
372: ** -----------------
1.11 timbl 373: **
374: ** HTTP0 servers must return ASCII style text, though it can in
375: ** principle be just text without any markup at all.
376: ** Full HTTP servers must return a response
377: ** line and RFC822 style header. The response must therefore in
378: ** either case have a CRLF somewhere soon.
379: **
380: ** This is the theory. In practice, there are (1993) unfortunately
381: ** many binary documents just served up with HTTP0.9. This
382: ** means we have to preserve the binary buffer (on the assumption that
383: ** conversion from ASCII may lose information) in case it turns
384: ** out that we want the binary original.
1.2 timbl 385: */
1.53 luotonen 386:
387: CTRACE(stderr, "Waiting..... for response\n");
388:
1.37 luotonen 389: if (HTImProxy) {
1.24 luotonen 390:
1.22 luotonen 391: /*
392: ** Server as a gateway -- send body of the message
393: ** received from client (if any).
394: */
395: if (request->isoc && request->content_length > 0) {
396: int remain = request->content_length;
397: int i = remain;
398: char * buf;
399:
400: while (remain > 0 &&
401: (buf = HTInputSocket_getBlock(request->isoc, &i))) {
402: int status = NETWRITE(s, buf, i);
403: if (status < 0) {
1.27 luotonen 404: CTRACE(stderr, "HTTPAccess.. Unable to forward body\n");
1.54 ! luotonen 405: #if 0
1.51 luotonen 406: HTAddError2(request,"Couldn't forward message body:",
407: HTErrnoString());
1.54 ! luotonen 408: #endif
! 409: HTErrorSysAdd(request,ERR_FATAL,NO,"NETWRITE");
1.22 luotonen 410: return HTInetStatus("send");
411: }
412: remain -= i;
413: i = remain;
414: }
415: }
1.23 luotonen 416:
417: /*
1.22 luotonen 418: ** Load results directly to client
419: */
1.50 luotonen 420: HTCopy(s, request->output_stream);
1.25 luotonen 421: (*request->output_stream->isa->free)(request->output_stream);
1.37 luotonen 422:
1.22 luotonen 423: return HT_LOADED;
424: }
425: else { /* read response */
1.21 luotonen 426:
1.17 timbl 427: HTFormat format_in; /* Format arriving in the message */
1.21 luotonen 428: HTInputSocket *isoc = HTInputSocket_new(s);
429: char * status_line = HTInputSocket_getStatusLine(isoc);
1.2 timbl 430:
1.11 timbl 431: /* Kludge to trap binary responses from illegal HTTP0.9 servers.
432: ** First time we have enough, look at the stub in ASCII
433: ** and get out of here if it doesn't look right.
434: **
435: ** We also check for characters above 128 in the first few bytes, and
436: ** if we find them we forget the html default.
437: **
438: ** Bugs: A HTTP0.9 server returning a document starting "HTTP/"
439: ** will be taken as a HTTP 1.0 server. Failure.
440: ** An HTTP 0.9 server returning a binary document with
441: ** characters < 128 will be read as ASCII.
442: */
1.36 frystyk 443:
444: /* If HTTP 0 response, then DO NOT CACHE (Henrik 14/02-94) */
445: if (!status_line) {
1.21 luotonen 446: if (HTInputSocket_seemsBinary(isoc)) {
447: format_in = HTAtom_for("www/unknown");
448: }
449: else {
450: format_in = WWW_HTML;
451: }
1.46 frystyk 452: cache_http = NO; /* Do not cache */
1.21 luotonen 453: goto copy;
454: } /* end kludge */
455:
456: if (status_line) { /* Decode full HTTP response */
457: /*
458: ** We now have a terminated server status line, and we have
459: ** checked that it is most probably a legal one. Parse it.
460: */
461: char server_version[VERSION_LENGTH+1];
462: int server_status;
463:
464: if (TRACE)
465: fprintf(stderr, "HTTP Status Line: Rx: %.70s\n", status_line);
1.17 timbl 466:
1.21 luotonen 467: sscanf(status_line, "%20s%d", server_version, &server_status);
1.2 timbl 468:
1.21 luotonen 469: format_in = HTAtom_for("www/mime");
1.7 timbl 470:
1.21 luotonen 471: switch (server_status / 100) {
1.2 timbl 472:
1.21 luotonen 473: default: /* bad number */
474: HTAlert("Unknown status reply from server!");
475: break;
1.17 timbl 476:
1.21 luotonen 477: case 3: /* Various forms of redirection */
478: HTAlert(
1.17 timbl 479: "Redirection response from server is not handled by this client");
1.21 luotonen 480: break;
1.17 timbl 481:
1.21 luotonen 482: case 4: /* Access Authorization problem */
1.14 luotonen 483: #ifdef ACCESS_AUTH
1.21 luotonen 484: switch (server_status) {
485: case 401:
486: parse_401_headers(request, isoc);
487:
488: if (TRACE) fprintf(stderr, "%s %d %s\n",
489: "HTTP: close socket", s,
490: "to retry with Access Authorization");
1.24 luotonen 491: if (HTAA_retryWithAuth(request, HTLoadHTTP)) {
1.21 luotonen 492: status = HT_LOADED;/* @@ THIS ONLY WORKS ON LINEMODE */
493: goto clean_up;
494: }
495: /* else falltrough */
496: default:
1.14 luotonen 497: {
1.21 luotonen 498: char *p1 = HTParse(gate ? gate : arg, "",
499: PARSE_HOST);
500: char * message;
501:
502: if (!(message = (char*)malloc(strlen(status_line) +
503: strlen(p1) + 100)))
504: outofmem(__FILE__, "HTTP 4xx status");
1.14 luotonen 505: sprintf(message,
1.21 luotonen 506: "HTTP server at %s replies:\n%s\n\n%s\n",
507: p1, status_line,
508: ((server_status == 401)
509: ? "Access Authorization package giving up.\n"
510: : ""));
1.22 luotonen 511: status = HTLoadError(request, server_status, message);
1.14 luotonen 512: free(message);
513: free(p1);
514: goto clean_up;
515: }
1.21 luotonen 516: } /* switch */
517: goto clean_up;
518: break;
519: #else
520: /* case 4 without Access Authorization falls through */
521: /* to case 5 (previously "I think I goofed"). -- AL */
522: #endif /* ACCESS_AUTH */
523:
524: case 5: /* I think you goofed */
525: {
526: char *p1 = HTParse(gate ? gate : arg, "", PARSE_HOST);
527: char * message = (char*)malloc(strlen(status_line) +
528: strlen(p1) + 100);
529: if (!message) outofmem(__FILE__, "HTTP 5xx status");
530: sprintf(message,
531: "HTTP server at %s replies:\n%s", p1, status_line);
1.22 luotonen 532: status = HTLoadError(request, server_status, message);
1.21 luotonen 533: free(message);
534: free(p1);
535: goto clean_up;
536: }
537: break;
1.17 timbl 538:
1.21 luotonen 539: case 2: /* Good: Got MIME object */
540: break;
1.17 timbl 541:
1.21 luotonen 542: } /* switch on response code */
1.17 timbl 543:
1.21 luotonen 544: } /* Full HTTP reply */
1.17 timbl 545:
546:
1.3 timbl 547: /* Set up the stream stack to handle the body of the message
1.33 timbl 548: **
549: ** In the special case of user asking for source and the message
550: ** being in MIME, we force the MIME decoding to occur, as it is really
551: ** HTTP decoding. If the user really wants the HTTP headers, he
552: ** can ask for them as www/mime.
1.3 timbl 553: */
1.21 luotonen 554:
1.13 duns 555: copy:
1.21 luotonen 556:
1.43 frystyk 557: if ((format_in == WWW_MIME)
558: && (request->output_format == WWW_SOURCE)) {
1.33 timbl 559: target = HTMIMEConvert(request, NULL, format_in,
560: request->output_format, request->output_stream);
561: } else {
1.47 luotonen 562: target = HTStreamStack(format_in, request, NO);
1.33 timbl 563: }
564:
1.17 timbl 565: if (!target) {
566: char buffer[1024]; /* @@@@@@@@ */
567: sprintf(buffer, "Sorry, no known way of converting %s to %s.",
568: HTAtom_name(format_in), HTAtom_name(request->output_format));
569: fprintf(stderr, "HTTP: %s", buffer);
1.22 luotonen 570: status = HTLoadError(request, 501, buffer);
1.17 timbl 571: goto clean_up;
572: }
573:
1.19 timbl 574: /* @@ Bug: The decision of whether or not to cache should also be
1.21 luotonen 575: ** made contingent on a IP address match or non match.
576: */
1.48 timbl 577:
578: if (HTCacheDir && cache_http) {
1.19 timbl 579: target = HTTee(target, HTCacheWriter(request, NULL, format_in,
1.21 luotonen 580: request->output_format,
581: request->output_stream));
1.19 timbl 582: }
583:
1.11 timbl 584: /* Push the data down the stream
1.3 timbl 585: ** We have to remember the end of the first buffer we just read
1.2 timbl 586: */
1.30 frystyk 587: if (format_in == WWW_HTML) {
1.17 timbl 588: target = HTNetToText(target); /* Pipe through CR stripper */
589: }
1.21 luotonen 590:
1.17 timbl 591: (*target->isa->put_block)(target,
1.21 luotonen 592: isoc->input_pointer,
593: isoc->input_limit - isoc->input_pointer);
1.41 frystyk 594:
1.17 timbl 595: HTCopy(s, target);
596:
597: (*target->isa->free)(target);
598: status = HT_LOADED;
1.11 timbl 599:
1.2 timbl 600: /* Clean up
1.1 timbl 601: */
1.17 timbl 602:
603: clean_up:
604: if (TRACE) fprintf(stderr, "HTTP: close socket %d.\n", s);
605: (void) NETCLOSE(s);
1.41 frystyk 606: if (isoc)
607: HTInputSocket_free(isoc);
608: if (status_line)
1.38 frystyk 609: free(status_line); /* Leak fix Henrik 18/02-94 */
610: return status; /* Good return */
1.3 timbl 611:
1.17 timbl 612: } /* read response */
613: } /* load HTTP */
1.1 timbl 614:
615: /* Protocol descriptor
616: */
617:
1.17 timbl 618: GLOBALDEF PUBLIC HTProtocol HTTP = { "http", HTLoadHTTP, 0, 0 };
1.21 luotonen 619:
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