Annotation of libwww/Library/src/HTInit.c, revision 2.58
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.
2.58 ! eric 6: ** @(#) $Id: HTInit.c,v 2.57 1996/06/03 19:25:18 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"
2.22 frystyk 13: #include "HTUtils.h"
2.24 frystyk 14: #include "HTFormat.h"
15: #include "HTList.h"
2.28 frystyk 16: #include "HTProt.h"
2.57 eric 17: #include "HTReqMan.h"
2.22 frystyk 18: #include "HTInit.h" /* Implemented here */
2.1 timbl 19:
2.29 frystyk 20: /* ------------------------------------------------------------------------- */
21:
2.23 frystyk 22: /* BINDINGS BETWEEN A SOURCE MEDIA TYPE AND A DEST MEDIA TYPE (CONVERSION)
23: ** ----------------------------------------------------------------------
2.47 frystyk 24: ** Not done automaticly - may be done by application!
2.23 frystyk 25: */
2.38 frystyk 26: PUBLIC void HTConverterInit (HTList * c)
2.23 frystyk 27: {
2.31 frystyk 28: /*
29: ** This set of converters uses the HTML/HText interface.
2.34 frystyk 30: ** If you do not want this interface then replace them!
2.31 frystyk 31: */
2.38 frystyk 32: HTConversion_add(c,"text/html", "www/present", HTMLPresent, 1.0, 0.0, 0.0);
33: HTConversion_add(c,"text/plain", "www/present", HTPlainPresent, 1.0, 0.0, 0.0);
34: HTConversion_add(c,"text/html", "text/x-c", HTMLToC, 0.5, 0.0, 0.0);
35: HTConversion_add(c,"text/html", "text/plain", HTMLToPlain, 0.5, 0.0, 0.0);
36: HTConversion_add(c,"text/html", "text/latex", HTMLToTeX, 1.0, 0.0, 0.0);
2.31 frystyk 37:
38: /*
2.49 frystyk 39: ** You can get debug information out through the debug stream if you set
40: ** the debug format appropriately
41: */
42: HTConversion_add(c,"*/*", "www/debug", HTBlackHoleConverter, 1.0, 0.0, 0.0);
43:
44: /*
2.31 frystyk 45: ** These are converters that converts to something other than www/present,
46: ** that is not directly outputting someting to the user on the screen
47: */
2.43 frystyk 48: HTConversion_add(c,"message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
2.55 frystyk 49: HTConversion_add(c,"message/x-rfc822-foot", "*/*", HTMIMEFooter, 1.0, 0.0, 0.0);
2.43 frystyk 50: HTConversion_add(c,"multipart/*", "*/*", HTBoundary, 1.0, 0.0, 0.0);
2.38 frystyk 51: HTConversion_add(c,"text/plain", "text/html", HTPlainToHTML, 1.0, 0.0, 0.0);
2.39 frystyk 52:
53: /*
54: ** The following conversions are converting ASCII output from various
55: ** protocols to HTML objects.
56: */
2.51 frystyk 57: HTConversion_add(c,"text/x-http", "*/*", HTTPStatus_new, 1.0, 0.0, 0.0);
2.42 frystyk 58: #if 0
59: HTConversion_add(c,"text/x-gopher", "www/present", HTGopherMenu, 1.0, 0.0, 0.0);
60: HTConversion_add(c,"text/x-cso", "www/present", HTGopherCSO, 1.0, 0.0, 0.0);
2.48 frystyk 61: HTConversion_add(c,"text/x-nntp-list", "*/*", HTNewsList, 1.0, 0.0, 0.0);
62: HTConversion_add(c,"text/x-nntp-over", "*/*", HTNewsGroup, 1.0, 0.0, 0.0);
63: HTConversion_add(c,"text/x-wais-source", "*/*", HTWSRCConvert, 1.0, 0.0, 0.0);
2.53 frystyk 64: #endif
2.43 frystyk 65:
2.31 frystyk 66: /*
2.45 frystyk 67: ** We also register a special content type guess stream that can figure out
68: ** the content type by reading the first bytes of the stream
69: */
70: HTConversion_add(c,"www/unknown", "*/*", HTGuess_new, 1.0, 0.0, 0.0);
2.46 frystyk 71:
72: /*
73: ** Handling Rule files is handled just like any other stream
74: ** This converter reads a rule file and generates the rules
75: */
2.48 frystyk 76: HTConversion_add(c,"application/x-www-rules","*/*", HTRules, 1.0, 0.0, 0.0);
2.46 frystyk 77:
2.45 frystyk 78: /*
2.34 frystyk 79: ** This dumps all other formats to local disk without any further
2.31 frystyk 80: ** action taken
81: */
2.38 frystyk 82: HTConversion_add(c,"*/*", "www/present", HTSaveLocally, 0.3, 0.0, 0.0);
2.23 frystyk 83: }
84:
85: /* BINDINGS BETWEEN MEDIA TYPES AND EXTERNAL VIEWERS/PRESENTERS
86: ** ------------------------------------------------------------
2.47 frystyk 87: ** Not done automaticly - may be done by application!
2.23 frystyk 88: ** The data objects are stored in temporary files before the external
89: ** program is called
90: */
2.38 frystyk 91: PUBLIC void HTPresenterInit (HTList * c)
2.1 timbl 92: {
93: #ifdef NeXT
2.38 frystyk 94: HTPresentation_add(c,"application/postscript", "open %s", NULL, 1.0, 2.0, 0.0);
2.10 luotonen 95: /* The following needs the GIF previewer -- you might not have it. */
2.19 howcome 96:
2.38 frystyk 97: HTPresentation_add(c,"image/gif", "open %s", NULL, 0.3, 2.0, 0.0);
2.44 frystyk 98: HTPresentation_add(c,"image/tiff", "open %s", NULL, 1.0, 2.0, 0.0);
2.41 frystyk 99: HTPresentation_add(c,"audio/basic", "open %s", NULL, 1.0, 2.0, 0.0);
100: HTPresentation_add(c,"*/*", "open %s", NULL, 0.05, 0.0, 0.0);
2.1 timbl 101: #else
2.10 luotonen 102: if (getenv("DISPLAY")) { /* Must have X11 */
2.38 frystyk 103: HTPresentation_add(c,"application/postscript", "ghostview %s", NULL, 1.0, 3.0, 0.0);
2.41 frystyk 104: HTPresentation_add(c,"image/gif", "xv %s", NULL, 1.0, 3.0, 0.0);
2.44 frystyk 105: HTPresentation_add(c,"image/tiff", "xv %s", NULL, 1.0, 3.0, 0.0);
2.38 frystyk 106: HTPresentation_add(c,"image/jpeg", "xv %s", NULL, 1.0, 3.0, 0.0);
2.44 frystyk 107: HTPresentation_add(c,"image/png", "xv %s", NULL, 1.0, 3.0, 0.0);
2.10 luotonen 108: }
2.1 timbl 109: #endif
2.15 frystyk 110: }
111:
112:
2.23 frystyk 113: /* PRESENTERS AND CONVERTERS AT THE SAME TIME
114: ** ------------------------------------------
2.47 frystyk 115: ** Not done automaticly - may be done by application!
2.23 frystyk 116: ** This function is only defined in order to preserve backward
117: ** compatibility.
118: */
2.38 frystyk 119: PUBLIC void HTFormatInit (HTList * c)
2.15 frystyk 120: {
2.23 frystyk 121: HTConverterInit(c);
122: HTPresenterInit(c);
123:
2.1 timbl 124: }
125:
2.55 frystyk 126: /* BINDINGS BETWEEN A ENCODING AND CODERS / DECODERS
127: ** --------------------------- ---------------------
128: ** Not done automaticly - may be done by application!
129: */
130: PUBLIC void HTEncoderInit (HTList * c)
131: {
132: HTCoding_add(c, "chunked", NULL, HTChunkedDecoder, 1.0);
133: }
2.47 frystyk 134:
135: /* REGISTER CALLBACKS FOR THE NET MANAGER
136: ** --------------------------------------
137: ** We register two often used callback functions:
138: ** a BEFORE and a AFTER callback
139: ** Not done automaticly - may be done by application!
140: */
141: PUBLIC void HTNetInit (void)
142: {
2.54 frystyk 143: HTNetCall_addBefore(HTLoadStart, NULL, 0);
144: HTNetCall_addAfter(HTLoadTerminate, NULL, HT_ALL);
2.47 frystyk 145: }
146:
147:
148: /* REGISTER CALLBACKS FOR THE ALERT MANAGER
149: ** ----------------------------------------
150: ** We register a set of alert messages
151: ** Not done automaticly - may be done by application!
152: */
153: PUBLIC void HTAlertInit (void)
154: {
155: HTAlert_add(HTProgress, HT_A_PROGRESS);
156: HTAlert_add(HTError_print, HT_A_MESSAGE);
157: HTAlert_add(HTConfirm, HT_A_CONFIRM);
158: HTAlert_add(HTPrompt, HT_A_PROMPT);
159: HTAlert_add(HTPromptPassword, HT_A_SECRET);
160: HTAlert_add(HTPromptUsernameAndPassword, HT_A_USER_PW);
161: }
162:
2.53 frystyk 163: /* REGISTER ALL KNOWN TRANSPORTS IN THE LIBRARY
164: ** --------------------------------------------
165: ** Not done automaticly - may be done by application!
166: */
167: PUBLIC void HTTransportInit (void)
168: {
2.54 frystyk 169: HTTransport_add("tcp", HT_CH_SINGLE, HTReader_new, HTWriter_new);
170: HTTransport_add("buffered_tcp", HT_CH_SINGLE, HTReader_new, HTBufferWriter_new);
171: #ifndef NO_UNIX_IO
172: HTTransport_add("local", HT_CH_SINGLE, HTReader_new, HTWriter_new);
173: #else
174: HTTransport_add("local", HT_CH_SINGLE, HTANSIReader_new, HTANSIWriter_new);
175: #endif
2.53 frystyk 176: }
2.47 frystyk 177:
2.24 frystyk 178: /* REGISTER ALL KNOWN PROTOCOLS IN THE LIBRARY
179: ** -------------------------------------------
2.47 frystyk 180: ** Not done automaticly - may be done by application!
2.24 frystyk 181: */
2.33 frystyk 182: PUBLIC void HTAccessInit (void)
2.24 frystyk 183: {
184: #ifndef DECNET
2.53 frystyk 185: HTProtocol_add("ftp", "tcp", NO, HTLoadFTP, NULL);
186: HTProtocol_add("nntp", "tcp", NO, HTLoadNews, NULL);
187: HTProtocol_add("news", "tcp", NO, HTLoadNews, NULL);
188: HTProtocol_add("gopher", "tcp", NO, HTLoadGopher, NULL);
2.24 frystyk 189: #ifdef HT_DIRECT_WAIS
2.53 frystyk 190: HTProtocol_add("wais", "", YES, HTLoadWAIS, NULL);
2.24 frystyk 191: #endif
192: #endif /* DECNET */
193:
2.54 frystyk 194: HTProtocol_add("http", "buffered_tcp", NO, HTLoadHTTP, NULL);
2.53 frystyk 195: HTProtocol_add("file", "local", NO, HTLoadFile, NULL);
196: HTProtocol_add("telnet", "", YES, HTLoadTelnet, NULL);
197: HTProtocol_add("tn3270", "", YES, HTLoadTelnet, NULL);
198: HTProtocol_add("rlogin", "", YES, HTLoadTelnet, NULL);
2.56 frystyk 199: }
200:
201: /* REGISTER DEFULT EVENT MANAGER
202: ** -----------------------------
203: ** Not done automaticly - may be done by application!
204: */
205: PUBLIC void HTEventInit (void)
206: {
207: HTEvent_setRegisterCallback(HTEventrg_register);
208: HTEvent_setUnregisterCallback(HTEventrg_unregister);
2.24 frystyk 209: }
2.1 timbl 210:
2.48 frystyk 211: #if 0
212: /* BINDINGS BETWEEN ICONS AND MEDIA TYPES
213: ** --------------------------------------
214: ** Not done automaticly - may be done by application!
215: ** For directory listings etc. you can bind a set of icons to a set of
216: ** media types and special icons for directories and other objects that
217: ** do not have a media type.
218: */
2.52 frystyk 219: /* PUBLIC void HTStdIconInit (const char * url_prefix) */
2.48 frystyk 220: {
2.52 frystyk 221: const char * p = url_prefix ? url_prefix : "/internal-icon/";
2.48 frystyk 222:
223: HTAddBlankIcon (prefixed(p,"blank.xbm"), NULL );
224: HTAddDirIcon (prefixed(p,"directory.xbm"),"DIR" );
225: HTAddParentIcon (prefixed(p,"back.xbm"), "UP" );
226: HTAddUnknownIcon(prefixed(p,"unknown.xbm"), NULL );
227: HTAddIcon(prefixed(p,"unknown.xbm"), NULL, "*/*");
228: HTAddIcon(prefixed(p,"binary.xbm"), "BIN", "binary");
229: HTAddIcon(prefixed(p,"unknown.xbm"), NULL, "www/unknown");
230: HTAddIcon(prefixed(p,"text.xbm"), "TXT", "text/*");
231: HTAddIcon(prefixed(p,"image.xbm"), "IMG", "image/*");
232: HTAddIcon(prefixed(p,"movie.xbm"), "MOV", "video/*");
233: HTAddIcon(prefixed(p,"sound.xbm"), "AU", "audio/*");
234: HTAddIcon(prefixed(p,"tar.xbm"), "TAR", "multipart/x-tar");
235: HTAddIcon(prefixed(p,"tar.xbm"), "TAR", "multipart/x-gtar");
236: HTAddIcon(prefixed(p,"compressed.xbm"), "CMP", "x-compress");
237: HTAddIcon(prefixed(p,"compressed.xbm"), "GZP", "x-gzip");
238: HTAddIcon(prefixed(p,"index.xbm"), "IDX", "application/x-gopher-index");
239: HTAddIcon(prefixed(p,"index2.xbm"), "CSO", "application/x-gopher-cso");
240: HTAddIcon(prefixed(p,"telnet.xbm"), "TEL", "application/x-gopher-telnet");
241: HTAddIcon(prefixed(p,"unknown.xbm"), "DUP", "application/x-gopher-duplicate");
242: HTAddIcon(prefixed(p,"unknown.xbm"), "TN", "application/x-gopher-tn3270");
243: }
244: #endif
2.57 eric 245:
2.58 ! eric 246: /* standard MIME parsers
! 247: */
! 248: PRIVATE int allow (HTRequest * request, char * token, char * value)
! 249: {
! 250: char * field;
! 251: HTParentAnchor * anchor = HTRequest_anchor(request);
! 252: while ((field = HTNextField(&value)) != NULL) {
! 253: HTMethod new_method;
! 254: /* We treat them as case-insensitive! */
! 255: if ((new_method = HTMethod_enum(field)) != METHOD_INVALID)
! 256: HTAnchor_appendMethods(anchor, new_method);
! 257: }
! 258: if (STREAM_TRACE)
! 259: HTTrace("MIMEParser.. Methods allowed: %d\n",
! 260: HTAnchor_methods(anchor));
! 261: return HT_OK;
! 262: }
! 263:
! 264: PRIVATE int authenticate (HTRequest * request, char * token, char * value)
! 265: {
! 266: if (!request->challenge) request->challenge = HTAssocList_new();
! 267:
! 268: StrAllocCopy(request->scheme, "basic"); /* @@@@@@@@@ */
! 269:
! 270: HTAssocList_add(request->challenge, "WWW-authenticate", value);
! 271: return HT_OK;
! 272: }
! 273:
! 274: PRIVATE int connection (HTRequest * request, char * token, char * value)
! 275: {
! 276: char * field;
! 277: if ((field = HTNextField(&value)) != NULL) {
! 278: if (!strcasecomp(field, "keep-alive")) {
! 279: HTNet_setPersistent(request->net, YES);
! 280: if (STREAM_TRACE) HTTrace("MIMEParser.. Persistent Connection\n");
! 281: }
! 282: }
! 283: return HT_OK;
! 284: }
! 285:
! 286: PRIVATE int content_encoding (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_addEncoding(anchor, HTAtom_for(field));
! 294: }
! 295: return HT_OK;
! 296: }
! 297:
! 298: PRIVATE int content_language (HTRequest * request, char * token, char * value)
! 299: {
! 300: char * field;
! 301: HTParentAnchor * anchor = HTRequest_anchor(request);
! 302: while ((field = HTNextField(&value)) != NULL) {
! 303: char * lc = field;
! 304: while ((*lc = TOLOWER(*lc))) lc++;
! 305: HTAnchor_addLanguage(anchor, HTAtom_for(field));
! 306: }
! 307: return HT_OK;
! 308: }
! 309:
! 310: PRIVATE int content_length (HTRequest * request, char * token, char * value)
! 311: {
! 312: char * field;
! 313: HTParentAnchor * anchor = HTRequest_anchor(request);
! 314: if ((field = HTNextField(&value)) != NULL)
! 315: HTAnchor_setLength(anchor, atol(field));
! 316: return HT_OK;
! 317: }
! 318:
! 319: PRIVATE int content_transfer_encoding (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_setTransfer(anchor, HTAtom_for(field));
! 327: }
! 328: return HT_OK;
! 329: }
! 330:
! 331: PRIVATE int content_type (HTRequest * request, char * token, char * value)
! 332: {
! 333: char * field;
! 334: HTParentAnchor * anchor = HTRequest_anchor(request);
! 335: if ((field = HTNextField(&value)) != NULL) {
! 336: char *lc = field;
! 337: while ((*lc = TOLOWER(*lc))) lc++;
! 338: HTAnchor_setFormat(anchor, HTAtom_for(field));
! 339: while ((field = HTNextField(&value)) != NULL) {
! 340: if (!strcasecomp(field, "charset")) {
! 341: if ((field = HTNextField(&value)) != NULL) {
! 342: lc = field;
! 343: while ((*lc = TOLOWER(*lc))) lc++;
! 344: HTAnchor_setCharset(anchor, HTAtom_for(field));
! 345: }
! 346: } else if (!strcasecomp(field, "level")) {
! 347: if ((field = HTNextField(&value)) != NULL) {
! 348: lc = field;
! 349: while ((*lc = TOLOWER(*lc))) lc++;
! 350: HTAnchor_setLevel(anchor, HTAtom_for(field));
! 351: }
! 352: } else if (!strcasecomp(field, "boundary")) {
! 353: if ((field = HTNextField(&value)) != NULL) {
! 354: StrAllocCopy(request->boundary, field);
! 355: }
! 356: }
! 357: }
! 358: }
! 359: return HT_OK;
! 360: }
! 361:
! 362: PRIVATE int derived_from (HTRequest * request, char * token, char * value)
! 363: {
! 364: char * field;
! 365: HTParentAnchor * anchor = HTRequest_anchor(request);
! 366: if ((field = HTNextField(&value)) != NULL)
! 367: HTAnchor_setDerived(anchor, field);
! 368: return HT_OK;
! 369: }
! 370:
! 371: PRIVATE int expires (HTRequest * request, char * token, char * value)
! 372: {
! 373: HTParentAnchor * anchor = HTRequest_anchor(request);
! 374: HTAnchor_setExpires(anchor, HTParseTime(value,
! 375: HTRequest_userProfile(request)));
! 376: return HT_OK;
! 377: }
! 378:
! 379: PRIVATE int last_modified (HTRequest * request, char * token, char * value)
! 380: {
! 381: HTParentAnchor * anchor = HTRequest_anchor(request);
! 382: HTAnchor_setLastModified(anchor, HTParseTime(value,
! 383: HTRequest_userProfile(request)));
! 384: return HT_OK;
! 385: }
! 386:
! 387: PRIVATE int location (HTRequest * request, char * token, char * value)
! 388: {
! 389: request->redirectionAnchor = HTAnchor_findAddress(HTStrip(value));
! 390: return HT_OK;
! 391: }
! 392:
! 393: PRIVATE int message_digest (HTRequest * request, char * token, char * value)
! 394: {
! 395: if (!request->challenge) request->challenge = HTAssocList_new();
! 396: HTAssocList_add(request->challenge, "Digest-MessageDigest", value);
! 397: return HT_OK;
! 398: }
! 399:
! 400: PRIVATE int mime_date (HTRequest * request, char * token, char * value)
! 401: {
! 402: HTParentAnchor * anchor = HTRequest_anchor(request);
! 403: HTAnchor_setDate(anchor, HTParseTime(value,
! 404: HTRequest_userProfile(request)));
! 405: return HT_OK;
! 406: }
! 407:
! 408: PRIVATE int newsgroups (HTRequest * request, char * token, char * value)
! 409: {
! 410: /* HTRequest_net(request)->nntp = YES; */ /* Due to news brain damage */
! 411: return HT_OK;
! 412: }
! 413:
! 414: PRIVATE int retry_after (HTRequest * request, char * token, char * value)
! 415: {
! 416: request->retry_after = HTParseTime(value,
! 417: HTRequest_userProfile(request));
! 418: return HT_OK;
! 419: }
! 420:
! 421: PRIVATE int title (HTRequest * request, char * token, char * value)
! 422: {
! 423: char * field;
! 424: HTParentAnchor * anchor = HTRequest_anchor(request);
! 425: if ((field = HTNextField(&value)) != NULL)
! 426: HTAnchor_setTitle(anchor, field);
! 427: return HT_OK;
! 428: }
! 429:
! 430: PRIVATE int version (HTRequest * request, char * token, char * value)
! 431: {
! 432: char * field;
! 433: HTParentAnchor * anchor = HTRequest_anchor(request);
! 434: if ((field = HTNextField(&value)) != NULL)
! 435: HTAnchor_setVersion(anchor, field);
! 436: return HT_OK;
! 437: }
! 438:
! 439:
2.57 eric 440: /* REGISTER ALL HTTP/1.1 MIME HEADERS
441: ** --------------------------------------------
442: ** Not done automaticly - may be done by application!
443: */
444: PUBLIC void HTMIMEInit()
445: {
446: struct {
447: char * string;
448: HTParserCallback * pHandler;
449: } fixedHandlers[] = {
450: {"allow", &allow},
451: {"accept-language", NULL},
452: {"accept-charset", NULL},
453: {"accept", NULL},
454: {"accept-encoding", NULL},
455: {"connection", &connection},
456: {"content-encoding", &content_encoding},
457: {"content-language", &content_language},
458: {"content-length", &content_length},
459: {"content-transfer-encoding", &content_transfer_encoding},
460: {"content-type", &content_type},
461: {"date", &mime_date},
462: {"derived-from", &derived_from},
463: {"digest-MessageDigest", &message_digest},
464: {"expires", &expires},
465: {"keep-alive", NULL},
466: {"last-modified", &last_modified},
467: /* {"link", &link}, */
468: {"location", &location},
469: {"mime-version", NULL},
470: {"newsgroups", &newsgroups},
471: {"retry-after", &retry_after},
472: {"server", NULL},
473: {"title", &title},
474: {"transfer-encoding", &content_transfer_encoding},
475: /* {"uri", &uri_header}, */
476: {"version", &version},
477: {"www-authenticate", &authenticate},
478: };
479: int i;
480:
481: for (i = 0; i < sizeof(fixedHandlers)/sizeof(fixedHandlers[0]); i++)
482: HTHeader_addParser(fixedHandlers[i].string, NO,
483: fixedHandlers[i].pHandler);
484: }
485:
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