Annotation of libwww/Library/src/HTInit.c, revision 2.59
2.20 frystyk 1: /* HTInit.c
2: ** CONFIGURATION-SPECIFIC INITIALIALIZATION
3: **
2.25 frystyk 4: ** (c) COPYRIGHT MIT 1995.
2.20 frystyk 5: ** Please first read the full copyright statement in the file COPYRIGH.
2.59 ! frystyk 6: ** @(#) $Id: HTInit.c,v 2.58 1996/06/04 14:16:45 eric Exp $
2.9 duns 7: **
2.20 frystyk 8: ** Define a basic set of suffixes and presentations
2.1 timbl 9: */
10:
2.22 frystyk 11: /* Library include files */
2.52 frystyk 12: #include "sysdep.h"
2.59 ! frystyk 13: #include "WWWUtil.h"
! 14: #include "WWWCore.h"
! 15: #include "HTReqMan.h" /* @@@ Should be removed */
2.22 frystyk 16: #include "HTInit.h" /* Implemented here */
2.1 timbl 17:
2.29 frystyk 18: /* ------------------------------------------------------------------------- */
19:
2.23 frystyk 20: /* BINDINGS BETWEEN A SOURCE MEDIA TYPE AND A DEST MEDIA TYPE (CONVERSION)
21: ** ----------------------------------------------------------------------
2.47 frystyk 22: ** Not done automaticly - may be done by application!
2.23 frystyk 23: */
2.38 frystyk 24: PUBLIC void HTConverterInit (HTList * c)
2.23 frystyk 25: {
2.31 frystyk 26: /*
2.49 frystyk 27: ** You can get debug information out through the debug stream if you set
28: ** the debug format appropriately
29: */
30: HTConversion_add(c,"*/*", "www/debug", HTBlackHoleConverter, 1.0, 0.0, 0.0);
31:
32: /*
2.31 frystyk 33: ** These are converters that converts to something other than www/present,
34: ** that is not directly outputting someting to the user on the screen
35: */
2.43 frystyk 36: HTConversion_add(c,"message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
2.55 frystyk 37: HTConversion_add(c,"message/x-rfc822-foot", "*/*", HTMIMEFooter, 1.0, 0.0, 0.0);
2.43 frystyk 38: HTConversion_add(c,"multipart/*", "*/*", HTBoundary, 1.0, 0.0, 0.0);
2.38 frystyk 39: HTConversion_add(c,"text/plain", "text/html", HTPlainToHTML, 1.0, 0.0, 0.0);
2.39 frystyk 40:
41: /*
42: ** The following conversions are converting ASCII output from various
43: ** protocols to HTML objects.
44: */
2.51 frystyk 45: HTConversion_add(c,"text/x-http", "*/*", HTTPStatus_new, 1.0, 0.0, 0.0);
2.42 frystyk 46: #if 0
47: HTConversion_add(c,"text/x-gopher", "www/present", HTGopherMenu, 1.0, 0.0, 0.0);
48: HTConversion_add(c,"text/x-cso", "www/present", HTGopherCSO, 1.0, 0.0, 0.0);
2.48 frystyk 49: HTConversion_add(c,"text/x-nntp-list", "*/*", HTNewsList, 1.0, 0.0, 0.0);
50: HTConversion_add(c,"text/x-nntp-over", "*/*", HTNewsGroup, 1.0, 0.0, 0.0);
51: HTConversion_add(c,"text/x-wais-source", "*/*", HTWSRCConvert, 1.0, 0.0, 0.0);
2.53 frystyk 52: #endif
2.43 frystyk 53:
2.31 frystyk 54: /*
2.45 frystyk 55: ** We also register a special content type guess stream that can figure out
56: ** the content type by reading the first bytes of the stream
57: */
58: HTConversion_add(c,"www/unknown", "*/*", HTGuess_new, 1.0, 0.0, 0.0);
2.46 frystyk 59:
60: /*
61: ** Handling Rule files is handled just like any other stream
62: ** This converter reads a rule file and generates the rules
63: */
2.48 frystyk 64: HTConversion_add(c,"application/x-www-rules","*/*", HTRules, 1.0, 0.0, 0.0);
2.46 frystyk 65:
2.45 frystyk 66: /*
2.34 frystyk 67: ** This dumps all other formats to local disk without any further
2.31 frystyk 68: ** action taken
69: */
2.38 frystyk 70: HTConversion_add(c,"*/*", "www/present", HTSaveLocally, 0.3, 0.0, 0.0);
2.23 frystyk 71: }
72:
73: /* BINDINGS BETWEEN MEDIA TYPES AND EXTERNAL VIEWERS/PRESENTERS
74: ** ------------------------------------------------------------
2.47 frystyk 75: ** Not done automaticly - may be done by application!
2.23 frystyk 76: ** The data objects are stored in temporary files before the external
77: ** program is called
78: */
2.38 frystyk 79: PUBLIC void HTPresenterInit (HTList * c)
2.1 timbl 80: {
81: #ifdef NeXT
2.38 frystyk 82: HTPresentation_add(c,"application/postscript", "open %s", NULL, 1.0, 2.0, 0.0);
2.10 luotonen 83: /* The following needs the GIF previewer -- you might not have it. */
2.19 howcome 84:
2.38 frystyk 85: HTPresentation_add(c,"image/gif", "open %s", NULL, 0.3, 2.0, 0.0);
2.44 frystyk 86: HTPresentation_add(c,"image/tiff", "open %s", NULL, 1.0, 2.0, 0.0);
2.41 frystyk 87: HTPresentation_add(c,"audio/basic", "open %s", NULL, 1.0, 2.0, 0.0);
88: HTPresentation_add(c,"*/*", "open %s", NULL, 0.05, 0.0, 0.0);
2.1 timbl 89: #else
2.10 luotonen 90: if (getenv("DISPLAY")) { /* Must have X11 */
2.38 frystyk 91: HTPresentation_add(c,"application/postscript", "ghostview %s", NULL, 1.0, 3.0, 0.0);
2.41 frystyk 92: HTPresentation_add(c,"image/gif", "xv %s", NULL, 1.0, 3.0, 0.0);
2.44 frystyk 93: HTPresentation_add(c,"image/tiff", "xv %s", NULL, 1.0, 3.0, 0.0);
2.38 frystyk 94: HTPresentation_add(c,"image/jpeg", "xv %s", NULL, 1.0, 3.0, 0.0);
2.44 frystyk 95: HTPresentation_add(c,"image/png", "xv %s", NULL, 1.0, 3.0, 0.0);
2.10 luotonen 96: }
2.1 timbl 97: #endif
2.15 frystyk 98: }
99:
100:
2.23 frystyk 101: /* PRESENTERS AND CONVERTERS AT THE SAME TIME
102: ** ------------------------------------------
2.47 frystyk 103: ** Not done automaticly - may be done by application!
2.23 frystyk 104: ** This function is only defined in order to preserve backward
105: ** compatibility.
106: */
2.38 frystyk 107: PUBLIC void HTFormatInit (HTList * c)
2.15 frystyk 108: {
2.23 frystyk 109: HTConverterInit(c);
110: HTPresenterInit(c);
111:
2.1 timbl 112: }
113:
2.55 frystyk 114: /* BINDINGS BETWEEN A ENCODING AND CODERS / DECODERS
115: ** --------------------------- ---------------------
116: ** Not done automaticly - may be done by application!
117: */
118: PUBLIC void HTEncoderInit (HTList * c)
119: {
120: HTCoding_add(c, "chunked", NULL, HTChunkedDecoder, 1.0);
121: }
2.47 frystyk 122:
123: /* REGISTER CALLBACKS FOR THE NET MANAGER
124: ** --------------------------------------
125: ** We register two often used callback functions:
126: ** a BEFORE and a AFTER callback
127: ** Not done automaticly - may be done by application!
128: */
129: PUBLIC void HTNetInit (void)
130: {
2.54 frystyk 131: HTNetCall_addBefore(HTLoadStart, NULL, 0);
132: HTNetCall_addAfter(HTLoadTerminate, NULL, HT_ALL);
2.47 frystyk 133: }
134:
135:
136: /* REGISTER CALLBACKS FOR THE ALERT MANAGER
137: ** ----------------------------------------
138: ** We register a set of alert messages
139: ** Not done automaticly - may be done by application!
140: */
141: PUBLIC void HTAlertInit (void)
142: {
143: HTAlert_add(HTProgress, HT_A_PROGRESS);
144: HTAlert_add(HTError_print, HT_A_MESSAGE);
145: HTAlert_add(HTConfirm, HT_A_CONFIRM);
146: HTAlert_add(HTPrompt, HT_A_PROMPT);
147: HTAlert_add(HTPromptPassword, HT_A_SECRET);
148: HTAlert_add(HTPromptUsernameAndPassword, HT_A_USER_PW);
149: }
150:
2.53 frystyk 151: /* REGISTER ALL KNOWN TRANSPORTS IN THE LIBRARY
152: ** --------------------------------------------
153: ** Not done automaticly - may be done by application!
154: */
155: PUBLIC void HTTransportInit (void)
156: {
2.54 frystyk 157: HTTransport_add("tcp", HT_CH_SINGLE, HTReader_new, HTWriter_new);
158: HTTransport_add("buffered_tcp", HT_CH_SINGLE, HTReader_new, HTBufferWriter_new);
159: #ifndef NO_UNIX_IO
160: HTTransport_add("local", HT_CH_SINGLE, HTReader_new, HTWriter_new);
161: #else
162: HTTransport_add("local", HT_CH_SINGLE, HTANSIReader_new, HTANSIWriter_new);
163: #endif
2.53 frystyk 164: }
2.47 frystyk 165:
2.24 frystyk 166: /* REGISTER ALL KNOWN PROTOCOLS IN THE LIBRARY
167: ** -------------------------------------------
2.47 frystyk 168: ** Not done automaticly - may be done by application!
2.24 frystyk 169: */
2.33 frystyk 170: PUBLIC void HTAccessInit (void)
2.24 frystyk 171: {
172: #ifndef DECNET
2.53 frystyk 173: HTProtocol_add("ftp", "tcp", NO, HTLoadFTP, NULL);
174: HTProtocol_add("nntp", "tcp", NO, HTLoadNews, NULL);
175: HTProtocol_add("news", "tcp", NO, HTLoadNews, NULL);
176: HTProtocol_add("gopher", "tcp", NO, HTLoadGopher, NULL);
2.24 frystyk 177: #ifdef HT_DIRECT_WAIS
2.53 frystyk 178: HTProtocol_add("wais", "", YES, HTLoadWAIS, NULL);
2.24 frystyk 179: #endif
180: #endif /* DECNET */
181:
2.54 frystyk 182: HTProtocol_add("http", "buffered_tcp", NO, HTLoadHTTP, NULL);
2.53 frystyk 183: HTProtocol_add("file", "local", NO, HTLoadFile, NULL);
184: HTProtocol_add("telnet", "", YES, HTLoadTelnet, NULL);
185: HTProtocol_add("tn3270", "", YES, HTLoadTelnet, NULL);
186: HTProtocol_add("rlogin", "", YES, HTLoadTelnet, NULL);
2.56 frystyk 187: }
188:
189: /* REGISTER DEFULT EVENT MANAGER
190: ** -----------------------------
191: ** Not done automaticly - may be done by application!
192: */
193: PUBLIC void HTEventInit (void)
194: {
195: HTEvent_setRegisterCallback(HTEventrg_register);
196: HTEvent_setUnregisterCallback(HTEventrg_unregister);
2.24 frystyk 197: }
2.1 timbl 198:
2.48 frystyk 199: #if 0
200: /* BINDINGS BETWEEN ICONS AND MEDIA TYPES
201: ** --------------------------------------
202: ** Not done automaticly - may be done by application!
203: ** For directory listings etc. you can bind a set of icons to a set of
204: ** media types and special icons for directories and other objects that
205: ** do not have a media type.
206: */
2.52 frystyk 207: /* PUBLIC void HTStdIconInit (const char * url_prefix) */
2.48 frystyk 208: {
2.52 frystyk 209: const char * p = url_prefix ? url_prefix : "/internal-icon/";
2.48 frystyk 210:
211: HTAddBlankIcon (prefixed(p,"blank.xbm"), NULL );
212: HTAddDirIcon (prefixed(p,"directory.xbm"),"DIR" );
213: HTAddParentIcon (prefixed(p,"back.xbm"), "UP" );
214: HTAddUnknownIcon(prefixed(p,"unknown.xbm"), NULL );
215: HTAddIcon(prefixed(p,"unknown.xbm"), NULL, "*/*");
216: HTAddIcon(prefixed(p,"binary.xbm"), "BIN", "binary");
217: HTAddIcon(prefixed(p,"unknown.xbm"), NULL, "www/unknown");
218: HTAddIcon(prefixed(p,"text.xbm"), "TXT", "text/*");
219: HTAddIcon(prefixed(p,"image.xbm"), "IMG", "image/*");
220: HTAddIcon(prefixed(p,"movie.xbm"), "MOV", "video/*");
221: HTAddIcon(prefixed(p,"sound.xbm"), "AU", "audio/*");
222: HTAddIcon(prefixed(p,"tar.xbm"), "TAR", "multipart/x-tar");
223: HTAddIcon(prefixed(p,"tar.xbm"), "TAR", "multipart/x-gtar");
224: HTAddIcon(prefixed(p,"compressed.xbm"), "CMP", "x-compress");
225: HTAddIcon(prefixed(p,"compressed.xbm"), "GZP", "x-gzip");
226: HTAddIcon(prefixed(p,"index.xbm"), "IDX", "application/x-gopher-index");
227: HTAddIcon(prefixed(p,"index2.xbm"), "CSO", "application/x-gopher-cso");
228: HTAddIcon(prefixed(p,"telnet.xbm"), "TEL", "application/x-gopher-telnet");
229: HTAddIcon(prefixed(p,"unknown.xbm"), "DUP", "application/x-gopher-duplicate");
230: HTAddIcon(prefixed(p,"unknown.xbm"), "TN", "application/x-gopher-tn3270");
231: }
232: #endif
2.57 eric 233:
2.58 eric 234: /* standard MIME parsers
235: */
236: PRIVATE int allow (HTRequest * request, char * token, char * value)
237: {
238: char * field;
239: HTParentAnchor * anchor = HTRequest_anchor(request);
240: while ((field = HTNextField(&value)) != NULL) {
241: HTMethod new_method;
242: /* We treat them as case-insensitive! */
243: if ((new_method = HTMethod_enum(field)) != METHOD_INVALID)
244: HTAnchor_appendMethods(anchor, new_method);
245: }
246: if (STREAM_TRACE)
247: HTTrace("MIMEParser.. Methods allowed: %d\n",
248: HTAnchor_methods(anchor));
249: return HT_OK;
250: }
251:
252: PRIVATE int authenticate (HTRequest * request, char * token, char * value)
253: {
254: if (!request->challenge) request->challenge = HTAssocList_new();
255:
256: StrAllocCopy(request->scheme, "basic"); /* @@@@@@@@@ */
257:
258: HTAssocList_add(request->challenge, "WWW-authenticate", value);
259: return HT_OK;
260: }
261:
262: PRIVATE int connection (HTRequest * request, char * token, char * value)
263: {
264: char * field;
265: if ((field = HTNextField(&value)) != NULL) {
266: if (!strcasecomp(field, "keep-alive")) {
267: HTNet_setPersistent(request->net, YES);
268: if (STREAM_TRACE) HTTrace("MIMEParser.. Persistent Connection\n");
269: }
270: }
271: return HT_OK;
272: }
273:
274: PRIVATE int content_encoding (HTRequest * request, char * token, char * value)
275: {
276: char * field;
277: HTParentAnchor * anchor = HTRequest_anchor(request);
278: while ((field = HTNextField(&value)) != NULL) {
279: char * lc = field;
280: while ((*lc = TOLOWER(*lc))) lc++;
281: HTAnchor_addEncoding(anchor, HTAtom_for(field));
282: }
283: return HT_OK;
284: }
285:
286: PRIVATE int content_language (HTRequest * request, char * token, char * value)
287: {
288: char * field;
289: HTParentAnchor * anchor = HTRequest_anchor(request);
290: while ((field = HTNextField(&value)) != NULL) {
291: char * lc = field;
292: while ((*lc = TOLOWER(*lc))) lc++;
293: HTAnchor_addLanguage(anchor, HTAtom_for(field));
294: }
295: return HT_OK;
296: }
297:
298: PRIVATE int content_length (HTRequest * request, char * token, char * value)
299: {
300: char * field;
301: HTParentAnchor * anchor = HTRequest_anchor(request);
302: if ((field = HTNextField(&value)) != NULL)
303: HTAnchor_setLength(anchor, atol(field));
304: return HT_OK;
305: }
306:
307: PRIVATE int content_transfer_encoding (HTRequest * request, char * token, char * value)
308: {
309: char * field;
310: HTParentAnchor * anchor = HTRequest_anchor(request);
311: if ((field = HTNextField(&value)) != NULL) {
312: char *lc = field;
313: while ((*lc = TOLOWER(*lc))) lc++;
314: HTAnchor_setTransfer(anchor, HTAtom_for(field));
315: }
316: return HT_OK;
317: }
318:
319: PRIVATE int content_type (HTRequest * request, char * token, char * value)
320: {
321: char * field;
322: HTParentAnchor * anchor = HTRequest_anchor(request);
323: if ((field = HTNextField(&value)) != NULL) {
324: char *lc = field;
325: while ((*lc = TOLOWER(*lc))) lc++;
326: HTAnchor_setFormat(anchor, HTAtom_for(field));
327: while ((field = HTNextField(&value)) != NULL) {
328: if (!strcasecomp(field, "charset")) {
329: if ((field = HTNextField(&value)) != NULL) {
330: lc = field;
331: while ((*lc = TOLOWER(*lc))) lc++;
332: HTAnchor_setCharset(anchor, HTAtom_for(field));
333: }
334: } else if (!strcasecomp(field, "level")) {
335: if ((field = HTNextField(&value)) != NULL) {
336: lc = field;
337: while ((*lc = TOLOWER(*lc))) lc++;
338: HTAnchor_setLevel(anchor, HTAtom_for(field));
339: }
340: } else if (!strcasecomp(field, "boundary")) {
341: if ((field = HTNextField(&value)) != NULL) {
342: StrAllocCopy(request->boundary, field);
343: }
344: }
345: }
346: }
347: return HT_OK;
348: }
349:
350: PRIVATE int derived_from (HTRequest * request, char * token, char * value)
351: {
352: char * field;
353: HTParentAnchor * anchor = HTRequest_anchor(request);
354: if ((field = HTNextField(&value)) != NULL)
355: HTAnchor_setDerived(anchor, field);
356: return HT_OK;
357: }
358:
359: PRIVATE int expires (HTRequest * request, char * token, char * value)
360: {
361: HTParentAnchor * anchor = HTRequest_anchor(request);
362: HTAnchor_setExpires(anchor, HTParseTime(value,
363: HTRequest_userProfile(request)));
364: return HT_OK;
365: }
366:
367: PRIVATE int last_modified (HTRequest * request, char * token, char * value)
368: {
369: HTParentAnchor * anchor = HTRequest_anchor(request);
370: HTAnchor_setLastModified(anchor, HTParseTime(value,
371: HTRequest_userProfile(request)));
372: return HT_OK;
373: }
374:
375: PRIVATE int location (HTRequest * request, char * token, char * value)
376: {
377: request->redirectionAnchor = HTAnchor_findAddress(HTStrip(value));
378: return HT_OK;
379: }
380:
381: PRIVATE int message_digest (HTRequest * request, char * token, char * value)
382: {
383: if (!request->challenge) request->challenge = HTAssocList_new();
384: HTAssocList_add(request->challenge, "Digest-MessageDigest", value);
385: return HT_OK;
386: }
387:
388: PRIVATE int mime_date (HTRequest * request, char * token, char * value)
389: {
390: HTParentAnchor * anchor = HTRequest_anchor(request);
391: HTAnchor_setDate(anchor, HTParseTime(value,
392: HTRequest_userProfile(request)));
393: return HT_OK;
394: }
395:
396: PRIVATE int newsgroups (HTRequest * request, char * token, char * value)
397: {
398: /* HTRequest_net(request)->nntp = YES; */ /* Due to news brain damage */
399: return HT_OK;
400: }
401:
402: PRIVATE int retry_after (HTRequest * request, char * token, char * value)
403: {
404: request->retry_after = HTParseTime(value,
405: HTRequest_userProfile(request));
406: return HT_OK;
407: }
408:
409: PRIVATE int title (HTRequest * request, char * token, char * value)
410: {
411: char * field;
412: HTParentAnchor * anchor = HTRequest_anchor(request);
413: if ((field = HTNextField(&value)) != NULL)
414: HTAnchor_setTitle(anchor, field);
415: return HT_OK;
416: }
417:
418: PRIVATE int version (HTRequest * request, char * token, char * value)
419: {
420: char * field;
421: HTParentAnchor * anchor = HTRequest_anchor(request);
422: if ((field = HTNextField(&value)) != NULL)
423: HTAnchor_setVersion(anchor, field);
424: return HT_OK;
425: }
426:
427:
2.57 eric 428: /* REGISTER ALL HTTP/1.1 MIME HEADERS
429: ** --------------------------------------------
430: ** Not done automaticly - may be done by application!
431: */
432: PUBLIC void HTMIMEInit()
433: {
434: struct {
435: char * string;
436: HTParserCallback * pHandler;
437: } fixedHandlers[] = {
438: {"allow", &allow},
439: {"accept-language", NULL},
440: {"accept-charset", NULL},
441: {"accept", NULL},
442: {"accept-encoding", NULL},
443: {"connection", &connection},
444: {"content-encoding", &content_encoding},
445: {"content-language", &content_language},
446: {"content-length", &content_length},
447: {"content-transfer-encoding", &content_transfer_encoding},
448: {"content-type", &content_type},
449: {"date", &mime_date},
450: {"derived-from", &derived_from},
451: {"digest-MessageDigest", &message_digest},
452: {"expires", &expires},
453: {"keep-alive", NULL},
454: {"last-modified", &last_modified},
455: /* {"link", &link}, */
456: {"location", &location},
457: {"mime-version", NULL},
458: {"newsgroups", &newsgroups},
459: {"retry-after", &retry_after},
460: {"server", NULL},
461: {"title", &title},
462: {"transfer-encoding", &content_transfer_encoding},
463: /* {"uri", &uri_header}, */
464: {"version", &version},
465: {"www-authenticate", &authenticate},
466: };
467: int i;
468:
469: for (i = 0; i < sizeof(fixedHandlers)/sizeof(fixedHandlers[0]); i++)
470: HTHeader_addParser(fixedHandlers[i].string, NO,
471: fixedHandlers[i].pHandler);
472: }
473:
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