Annotation of Amaya/amaya/query.c, revision 1.321
1.14 cvs 1: /*
2: *
1.317 vatton 3: * (c) COPYRIGHT INRIA and W3C, 1996-2003
1.14 cvs 4: * Please first read the full copyright statement in file COPYRIGHT.
1.156 cvs 5: *
1.14 cvs 6: */
1.243 cvs 7:
1.19 cvs 8: /*
1.83 cvs 9: * query.c : contains all the functions for requesting and publishing
1.19 cvs 10: * URLs via libwww. It handles any eventual HTTP error code
11: * (redirection, authentication needed, not found, etc.)
12: *
1.69 cvs 13: * Author: J. Kahan
1.92 cvs 14: * J. Kahan/R. Guetari Windows 95/NT routines
1.19 cvs 15: */
1.17 cvs 16:
1.116 cvs 17: /* defines to include elsewhere
18: *********************************/
19:
1.185 cvs 20: #ifdef _WINDOWS
21: #include <string.h>
1.130 cvs 22: #endif /* !_WINDOWS */
1.116 cvs 23: #define AMAYA_WWW_CACHE
1.168 cvs 24: #define AMAYA_LOST_UPDATE
1.116 cvs 25:
1.12 cvs 26: /* Amaya includes */
1.25 cvs 27: #define THOT_EXPORT extern
1.4 cvs 28: #include "amaya.h"
1.214 cvs 29: #include "init_f.h"
1.130 cvs 30: #include <sys/types.h>
1.309 cvs 31: #ifndef _WINDOWS
1.308 kahan 32: #include <unistd.h>
1.309 cvs 33: #endif
1.70 cvs 34: #include <fcntl.h>
1.140 cvs 35: #include "HTEvtLst.h"
1.157 cvs 36: #include "HTAABrow.h"
1.272 cvs 37: #include "string.h"
1.279 cvs 38: #include "interface.h"
1.7 cvs 39:
1.141 cvs 40: #if defined(__svr4__) || defined (_AIX)
1.4 cvs 41: #define CATCH_SIG
42: #endif
43:
44: /* local structures coming from libwww and which are
1.17 cvs 45: not found in any .h file
1.7 cvs 46: */
1.68 cvs 47:
1.7 cvs 48: struct _HTStream
49: {
1.15 cvs 50: const HTStreamClass *isa;
51: FILE *fp;
1.45 cvs 52: BOOL leave_open; /* Close file when TtaFreeMemory? */
1.15 cvs 53: char *end_command; /* Command to execute */
54: BOOL remove_on_close; /* Remove file? */
55: char *filename; /* Name of file */
56: HTRequest *request; /* saved for callback */
57: HTRequestCallback *callback;
1.7 cvs 58: };
59:
1.15 cvs 60:
1.7 cvs 61: struct _HTError
62: {
63: HTErrorElement element; /* Index number into HTError */
64: HTSeverity severity; /* A la VMS */
65: BOOL ignore; /* YES if msg should not go to user */
66: void *par; /* Explanation, e.g. filename */
67: int length; /* For copying by generic routine */
68: char *where; /* Which function */
69: };
70:
1.4 cvs 71: /* Type definitions and global variables etc. local to this module */
72:
1.17 cvs 73: /*----------------------------------------------------------------------*/
1.293 kahan 74:
75: /* libwww default parameters */
76: #ifdef _WINDOWS
77: #define CACHE_DIR_NAME "\\libwww-cache\\"
78: #else
79: #define CACHE_DIR_NAME "/libwww-cache/"
80: #endif
81:
82: #define DEFAULT_CACHE_SIZE 10
83: #define DEFAULT_MAX_CACHE_ENTRY_SIZE 3
84: #define DEFAULT_MAX_SOCKET 32
85: #define DEFAULT_DNS_TIMEOUT 1800L
86: #define DEFAULT_PERSIST_TIMEOUT 60L
87: #define DEFAULT_NET_EVENT_TIMEOUT 60000
1.294 kahan 88: /* defines the priority for general content negotiation */
89: #define GENERAL_ACCEPT_NEGOTIATION "*/*;q=0.1,"AM_SVG_MIME_TYPE","AM_MATHML_MIME_TYPE","AM_XHTML_MIME_TYPE
1.293 kahan 90: /* defines the priority for image content negotiation */
91: #define IMAGE_ACCEPT_NEGOTIATION "*/*;q=0.1,image/*,image/gif,image/jpeg,image/png,image/svg+xml,"AM_SVG_MIME_TYPE
92:
1.4 cvs 93: /*** private variables ***/
1.17 cvs 94:
1.4 cvs 95: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 96: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.193 cvs 97: static HTList *acceptLanguages = NULL; /* List of language priorities for the Accept header */
1.151 cvs 98: static HTList *transfer_encodings = NULL;
99: static HTList *content_encodings = NULL;
1.207 cvs 100: /* List of domains where we can do a safe PUT redirect */
101: static HTList *safeput_list = NULL;
102:
1.16 cvs 103: static int object_counter = 0; /* loaded objects counter */
1.191 cvs 104: static ThotBool AmayaAlive_flag; /* set to 1 if the application is active;
1.140 cvs 105: 0 if we have killed */
1.191 cvs 106: static ThotBool CanDoStop_flag; /* set to 1 if we can do a stop, 0
1.140 cvs 107: if we're inside a critical section */
1.214 cvs 108: static ThotBool UserAborted_flag; /* set to 1 if we're processing a user
109: induced stop request operation */
1.128 cvs 110: #ifdef AMAYA_WWW_CACHE
1.130 cvs 111: static int fd_cachelock; /* open handle to the .lock cache file */
112: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 113:
1.246 kahan 114: static ThotBool FTPURL_flag; /* if set to true, we can browse FTP URLs */
115:
1.248 kahan 116: static FILE *trace_fp = NULL; /* file pointer to the trace logs */
117:
1.15 cvs 118: #include "answer_f.h"
119: #include "query_f.h"
120: #include "AHTURLTools_f.h"
121: #include "AHTBridge_f.h"
122: #include "AHTMemConv_f.h"
123: #include "AHTFWrite_f.h"
1.4 cvs 124:
1.298 cvs 125: #ifdef DAV
126: #include "davlib.h"
127: #include "davlib_f.h"
128: #include "davlibCommon_f.h"
1.302 kirschpi 129: #endif /* DAV */
1.298 cvs 130:
1.116 cvs 131: /* prototypes */
132:
1.123 cvs 133: #ifdef _WINDOWS
1.70 cvs 134: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
1.116 cvs 135: #endif /* _WINDOWS */
1.297 kirschpi 136:
1.130 cvs 137: #ifdef AMAYA_WWW_CACHE
138: /***************************************************************
139: lock functions, used to avoid concurrent use of the cache
140: Mostly based on W. Richard Stevens' APUE book.
141: ***************************************************************/
142: /*----------------------------------------------------------------------
143: set_cachelock
144: sets a write lock on filename.
145: Returns -1 in case of failure, otherwise, it'll open a handle on
146: filename and fd_cachelock will take its value.
147: ----------------------------------------------------------------------*/
1.265 cvs 148: static int set_cachelock (char *filename)
1.130 cvs 149: {
1.188 cvs 150: int status;
1.130 cvs 151: #ifdef _WINDOWS
1.188 cvs 152:
153: status = TtaFileExist (filename);
154: return ((status) ? 0 : -1);
1.130 cvs 155: #else
156: struct flock lock;
157:
158: lock.l_type = F_WRLCK;
159: lock.l_start = 0;
160: lock.l_whence = SEEK_SET;
161: lock.l_len = 0;
162:
163: fd_cachelock = open (filename, O_WRONLY);
164:
165: if (fd_cachelock == -1)
166: status = -1;
167: else
168: status = fcntl(fd_cachelock, F_SETLK, &lock);
169:
170: if (status == -1)
1.190 cvs 171: {
1.179 cvs 172: if (fd_cachelock > 0)
1.190 cvs 173: close (fd_cachelock);
1.179 cvs 174: fd_cachelock = 0;
1.178 cvs 175: }
1.130 cvs 176: return (status);
177: #endif /* _WINDOWS */
178: }
179:
180: /*----------------------------------------------------------------------
181: clear_cachelock
182: remove the write lock set on a filename.
183: It'll close the fd handle on filename and reset *fd to 0.
184: ----------------------------------------------------------------------*/
185: static int clear_cachelock (void)
186: {
187: #ifdef _WINDOWS
188: return 0;
189: #else
190: int status;
191:
1.178 cvs 192: if (!fd_cachelock)
1.130 cvs 193: return (-1);
194:
1.178 cvs 195: status = close (fd_cachelock);
1.130 cvs 196: fd_cachelock = 0;
197:
198: return (status);
199: #endif /* _WINDOWS */
200: }
201:
202: /*----------------------------------------------------------------------
203: test_cachelock
204: returns 0 if a fd is not locked by other process, otherwise
205: returns the pid of the process who has the lock
206: ----------------------------------------------------------------------*/
1.265 cvs 207: static int test_cachelock (char *filename)
1.130 cvs 208: {
209: #ifdef _WINDOWS
1.185 cvs 210: /* if the lock is set, we can't unlink the file under Windows */
1.188 cvs 211: if (!TtaFileUnlink (filename))
212: return 0;
213: else
1.185 cvs 214: return -1;
1.130 cvs 215: #else
216: struct flock lock;
217: int fd, status;
218:
219: lock.l_type = F_WRLCK;
220: lock.l_start = 0;
221: lock.l_whence = SEEK_SET;
222: lock.l_len = 0;
223:
224: fd = open (filename, O_WRONLY);
225:
226: if (fd < 0)
227: return (-1);
228: /* is this file locked ? */
229: status = fcntl (fd, F_GETLK, &lock);
230: close (fd);
231:
232: if (status < 0)
233: return (-1);
234:
235: if (lock.l_type == F_UNLCK)
236: return (0); /* false, region is not locked by another proc */
237: return (lock.l_pid); /* true, return pid of lock owner */
238: #endif /* _WINDOWS */
239: }
240:
241: #endif /* AMAYA_WWW_CACHE */
242:
1.15 cvs 243: /*----------------------------------------------------------------------
1.17 cvs 244: GetDocIdStatus
245: gets the status associated to a docid
1.15 cvs 246: ----------------------------------------------------------------------*/
247: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
248: {
249: AHTDocId_Status *me;
250: HTList *cur;
251:
252: if (documents)
253: {
254: cur = documents;
255:
256: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
257: {
258: if (me->docid == docid)
259: return (me);
1.18 cvs 260: }
261: }
1.15 cvs 262: return (AHTDocId_Status *) NULL;
263:
264: }
265:
1.5 cvs 266: /*----------------------------------------------------------------------
1.27 cvs 267: AHTGuessAtom_for
268: Converts an Amaya type descriptor into the equivalent MIME type.
269: ----------------------------------------------------------------------*/
1.276 kahan 270: static HTAtom *AHTGuessAtom_for (char *urlName, char *contentType)
1.27 cvs 271: {
272: HTAtom *atom;
1.265 cvs 273: char * filename;
1.160 cvs 274: HTEncoding enc = NULL;
275: HTEncoding cte = NULL;
276: HTLanguage lang = NULL;
1.50 cvs 277: double quality = 1.0;
1.27 cvs 278:
1.276 kahan 279: /* we already have a MIME type, we jsut return the atom */
280: if (contentType && *contentType)
281: atom = HTAtom_for (contentType);
282: else
1.27 cvs 283: {
1.276 kahan 284: /* we don't have the MIME type, so
285: we try to use the filename's suffix to infer it */
1.265 cvs 286: filename = AmayaParseUrl (urlName, "",
287: AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
288: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
1.45 cvs 289: TtaFreeMemory (filename);
1.27 cvs 290: if (atom == WWW_UNKNOWN)
1.276 kahan 291: {
1.27 cvs 292: /*
1.276 kahan 293: ** we could not identify the suffix, so we give it a default type.
294: ** (we should ask the user, but we're not ready for that yet).
1.27 cvs 295: */
296: atom = HTAtom_for ("text/html");
1.276 kahan 297: }
1.27 cvs 298: }
299: return atom;
300: }
301:
302: /*----------------------------------------------------------------------
1.238 cvs 303: HTTP_Headers_set
304: Copies the headers in which the application is interested, doing
305: any in-between conversions as needed.
306: ----------------------------------------------------------------------*/
1.315 vatton 307: void HTTP_headers_set (HTRequest *request, HTResponse *response,
308: void *context, int status)
1.238 cvs 309: {
1.267 kahan 310: AHTReqContext *me;
1.283 cvs 311: HTAtom *tmp_atom = NULL;
1.267 kahan 312: char *tmp_char;
1.285 kahan 313: char *tmp_char2;
1.284 kahan 314: char tmp_string[20];
1.267 kahan 315: HTParentAnchor *anchor;
1.287 kahan 316: ThotBool use_anchor;
1.307 vatton 317: HTError *pres;
1.313 kahan 318: HTList *cur;
1.312 kahan 319: int index;
1.267 kahan 320:
321: me = (AHTReqContext *) HTRequest_context (request);
1.282 kahan 322:
1.267 kahan 323: anchor = HTRequest_anchor (request);
1.238 cvs 324:
1.287 kahan 325: /* if we get a cached answer, we should get all the header information
326: from the anchor, instead of from the response object */
327: tmp_char = HTAnchor_physical (anchor);
328: if (tmp_char && !strncmp (tmp_char, "cache:", sizeof ("cache:") - 1))
329: use_anchor = TRUE;
330: else
331: use_anchor = FALSE;
332:
1.263 kahan 333: /* @@@ JK: we need a function here to specify which headers we
1.238 cvs 334: want to copy */
335:
1.267 kahan 336: /* copy the content_type if we didn't force it before */
337: if (me->http_headers.content_type == NULL)
1.260 kahan 338: {
1.267 kahan 339: /* trying to use the info in the anchor, rather than in the response.
340: Seems it's more recent */
1.282 kahan 341:
342: /* @@ JK: trying to use the content type stored in the response object */
1.287 kahan 343: if (!use_anchor && response)
1.282 kahan 344: tmp_atom = HTResponse_format (response);
345: if (!tmp_atom)
346: tmp_atom = HTAnchor_format (anchor);
1.260 kahan 347:
1.267 kahan 348: if (tmp_atom)
349: tmp_char = HTAtom_name (tmp_atom);
350: else
351: tmp_char = "www/unknown";
352:
353: if (tmp_char && tmp_char[0] != EOS)
1.238 cvs 354: {
1.267 kahan 355: /* libwww gives www/unknown when it gets an error. As this is
356: an HTML test, we force the type to text/html */
357: if (!strcmp (tmp_char, "www/unknown"))
358: {
359: /* if it's not a file downloaded from FTP, initialize the
360: content type to text/html by default */
361: me->http_headers.content_type = NULL;
362: }
363: else
1.284 kahan 364: me->http_headers.content_type = TtaStrdup (tmp_char);
1.267 kahan 365:
1.238 cvs 366: #ifdef DEBUG_LIBWWW
1.267 kahan 367: fprintf (stderr, "Set content type to: %s\n",
368: me->http_headers.content_type);
1.238 cvs 369: #endif /* DEBUG_LIBWWW */
1.267 kahan 370: }
1.238 cvs 371: }
1.267 kahan 372:
1.238 cvs 373: /* copy the charset */
1.267 kahan 374:
375: /* @@ JK I think there was a problem when using info directly from
376: the anchor... but what it was? The response object doesn't have
377: it anyway */
378: tmp_atom = HTAnchor_charset (anchor);
379: #if 0
1.260 kahan 380: if (use_anchor)
381: tmp_atom = HTAnchor_charset (anchor);
382: else
383: tmp_atom = HTResponse_charset (response);
1.267 kahan 384: #endif
385:
1.238 cvs 386: if (tmp_atom)
387: {
1.284 kahan 388: tmp_char = HTAtom_name (tmp_atom);
389: if (tmp_char)
390: me->http_headers.charset = TtaStrdup (tmp_char);
1.238 cvs 391: }
1.256 kahan 392:
1.268 kahan 393: /* copy the content length */
1.284 kahan 394: snprintf (tmp_string, sizeof (tmp_string), "%ld", HTAnchor_length (anchor));
395: me->http_headers.content_length = TtaStrdup (tmp_string);
1.268 kahan 396:
1.256 kahan 397: /* copy the reason */
1.319 kahan 398: if (status != HT_INTERRUPTED)
399: {
400: tmp_char = HTResponse_reason (response);
401: if (tmp_char)
402: me->http_headers.reason = TtaStrdup (tmp_char);
403: }
1.284 kahan 404:
405: /* copy the content-location */
406: tmp_char = HTAnchor_location (anchor);
1.285 kahan 407: if (tmp_char && *tmp_char)
1.304 kahan 408: {
409: /* make a copy of the full location_header, for computing the base url */
1.305 kahan 410: if (HTURL_isAbsolute (tmp_char))
411: me->http_headers.full_content_location = TtaStrdup (tmp_char);
412: else
413: me->http_headers.full_content_location = AmayaParseUrl (me->urlName, tmp_char,
414: AMAYA_PARSE_ALL);
415: tmp_char = me->http_headers.full_content_location;
1.285 kahan 416: /* only include the filename. We suppose we have either a
417: relative or an absolute URL and that everything after the last
1.304 kahan 418: slash is the doc name + ext */
1.285 kahan 419: if (HTURL_isAbsolute (tmp_char))
420: {
421: tmp_char2 = tmp_char + strlen (tmp_char) -1;
422: while (*tmp_char2 != URL_SEP && tmp_char2 != tmp_char)
423: tmp_char2--;
424: if (tmp_char2 != tmp_char && *(tmp_char2 + 1))
425: tmp_char = tmp_char2 + 1;
426: }
427: me->http_headers.content_location = TtaStrdup (tmp_char);
428: }
1.307 vatton 429:
430: /* copy the status */
1.312 kahan 431: me->http_headers.status = 0;
1.313 kahan 432:
433: cur = request->error_stack;
434: while (me->http_headers.reason == NULL
435: && (pres = (HTError *) HTList_nextObject (cur)))
1.312 kahan 436: {
437: index = HTError_index (pres);
438: switch (index)
439: {
440: case HTERR_NO_REMOTE_HOST:
441: case HTERR_SYSTEM:
442: case HTERR_INTERNAL:
443: case HTERR_TIME_OUT:
444: case HTERR_CSO_SERVER:
1.313 kahan 445: me->http_headers.status = index;
1.319 kahan 446: if (me->http_headers.reason)
447: TtaFreeMemory (me->http_headers.reason);
1.313 kahan 448: me->http_headers.reason = TtaStrdup ("Cannot contact server");
449: break;
1.312 kahan 450: case HTERR_INTERRUPTED:
1.313 kahan 451: me->http_headers.status = index;
1.319 kahan 452: if (me->http_headers.reason)
453: TtaFreeMemory (me->http_headers.reason);
1.313 kahan 454: me->http_headers.reason = TtaStrdup ("Interrupted");
1.312 kahan 455: break;
456: }
457: }
1.238 cvs 458: }
459:
460: /*----------------------------------------------------------------------
461: HTTP_headers_delete
462: Deletes all the paramaters that were assigned to the response type
463: ----------------------------------------------------------------------*/
464: static void HTTP_headers_delete (AHTHeaders me)
465: {
466: if (me.content_type)
467: TtaFreeMemory (me.content_type);
468:
469: if (me.charset)
470: TtaFreeMemory (me.charset);
1.268 kahan 471:
472: if (me.content_length)
473: TtaFreeMemory (me.content_length);
1.256 kahan 474:
475: if (me.reason)
476: TtaFreeMemory (me.reason);
1.284 kahan 477:
478: if (me.content_location)
479: TtaFreeMemory (me.content_location);
1.304 kahan 480:
481: if (me.full_content_location)
482: TtaFreeMemory (me.full_content_location);
1.238 cvs 483: }
484:
485: /*----------------------------------------------------------------------
486: HTTP_headers
487: Returns the value of a parameter in the HTTP response structure.
488: Returns null if this structure is empty.
489: ----------------------------------------------------------------------*/
1.265 cvs 490: char *HTTP_headers (AHTHeaders *me, AHTHeaderName param)
1.238 cvs 491: {
1.265 cvs 492: char *result;
1.238 cvs 493:
494: if (!me)
495: return NULL;
496:
497: switch (param)
498: {
499: case AM_HTTP_CONTENT_TYPE:
500: result = me->content_type;
501: break;
502: case AM_HTTP_CHARSET:
503: result = me->charset;
1.268 kahan 504: break;
505: case AM_HTTP_CONTENT_LENGTH:
506: result = me->content_length;
1.238 cvs 507: break;
1.256 kahan 508: case AM_HTTP_REASON:
509: result = me->reason;
1.284 kahan 510: break;
511: case AM_HTTP_CONTENT_LOCATION:
512: result = me->content_location;
1.304 kahan 513: break;
514: case AM_HTTP_FULL_CONTENT_LOCATION:
515: result = me->full_content_location;
1.256 kahan 516: break;
1.238 cvs 517: default:
518: result = NULL;
519: }
520:
521: return result;
522: }
523:
524: /*----------------------------------------------------------------------
1.17 cvs 525: AHTReqContext_new
526: create a new Amaya Context Object and update the global Amaya
527: request status.
1.297 kirschpi 528:
529: ----------------------------------------------------------------------
530: MKP: this function is now used in davlib.c file for the WebDAV requests
1.299 kirschpi 531:
1.297 kirschpi 532: ---------------------------------------------------------------------- */
533: AHTReqContext *AHTReqContext_new (int docid)
1.4 cvs 534: {
535: AHTReqContext *me;
536: AHTDocId_Status *docid_status;
537:
538: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
1.116 cvs 539: outofmem (__FILE__, "AHTReqContext_new");
540:
541: /* clear the structure */
542: memset ((void *) me, 0, sizeof (AHTReqContext));
1.4 cvs 543:
1.81 cvs 544: /* Bind the Context object together with the Request Object */
545: me->request = HTRequest_new ();
546:
1.80 cvs 547: /* clean the associated file structure) */
1.79 cvs 548: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 549:
1.4 cvs 550: /* Initialize the other members of the structure */
1.17 cvs 551: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 552: me->docid = docid;
553: HTRequest_setMethod (me->request, METHOD_GET);
554: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
555: HTRequest_setContext (me->request, me);
1.116 cvs 556:
1.36 cvs 557: /* experimental */
558: me->read_sock = INVSOC;
559: me->write_sock = INVSOC;
560: me->except_sock = INVSOC;
1.4 cvs 561:
562: /* Update the global context */
563: HTList_appendObject (Amaya->reqlist, (void *) me);
564:
565: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
566:
1.7 cvs 567: if (docid_status == NULL)
568: {
1.116 cvs 569: docid_status = (AHTDocId_Status *)
570: TtaGetMemory (sizeof (AHTDocId_Status));
1.7 cvs 571: docid_status->docid = docid;
572: docid_status->counter = 1;
573: HTList_addObject (Amaya->docid_status, (void *) docid_status);
574: }
575: else
1.4 cvs 576: docid_status->counter++;
577:
1.297 kirschpi 578: #ifdef DAV /* clean the DAV request context */
579: me->dav_context = NULL; /* it should be create only when doing a DAV request */
1.302 kirschpi 580: #endif /* DAV */
1.297 kirschpi 581:
1.4 cvs 582: Amaya->open_requests++;
583:
1.74 cvs 584: #ifdef DEBUG_LIBWWW
585: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
586: #endif
1.116 cvs 587:
1.4 cvs 588: return me;
589: }
590:
1.5 cvs 591: /*----------------------------------------------------------------------
1.17 cvs 592: AHTReqContext_delete
593: Delete an Amaya Context Object and update the global Amaya request
594: status.
1.5 cvs 595: ----------------------------------------------------------------------*/
1.191 cvs 596: ThotBool AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 597: {
598: AHTDocId_Status *docid_status;
599:
1.7 cvs 600: if (me)
601: {
1.74 cvs 602: #ifdef DEBUG_LIBWWW
1.138 cvs 603: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
1.74 cvs 604: #endif
1.297 kirschpi 605:
606: #ifdef DAV /* if there is a DAV context object, delete it */
1.303 kirschpi 607: if (me->dav_context) AHTDAVContext_delete (me->dav_context);
1.297 kirschpi 608: #endif /* DAV */
609:
1.138 cvs 610: if (Amaya->reqlist)
611: HTList_removeObject (Amaya->reqlist, (void *) me);
612:
613: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
614: if (docid_status)
615: {
616: docid_status->counter--;
617:
618: if (docid_status->counter == 0)
619: {
620: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
621: TtaFreeMemory ((void *) docid_status);
622: }
623: }
1.215 cvs 624:
625: HTNoFreeStream_delete (HTRequest_outputStream (me->request));
626: HTRequest_setOutputStream (me->request, NULL);
1.190 cvs 627: /* JK: no longer needed in libwww 5.2.3
628: if (me->method != METHOD_PUT && HTRequest_outputStream (me->request))
629: AHTFWriter_FREE (HTRequest_outputStream (me->request));
630: */
1.138 cvs 631: HTRequest_delete (me->request);
632:
633: if (me->output && me->output != stdout)
634: {
1.85 cvs 635: #ifdef DEBUG_LIBWWW
1.138 cvs 636: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
637: "FILE %p\n", me->urlName, me->output);
1.85 cvs 638: #endif
1.138 cvs 639: fclose (me->output);
640: me->output = NULL;
641: }
1.79 cvs 642:
1.138 cvs 643: if (me->error_stream != (char *) NULL)
644: HT_FREE (me->error_stream);
645: #ifndef _WINDOWS
646: #ifdef WWW_XWINDOWS
647: if (me->read_xtinput_id || me->write_xtinput_id ||
648: me->except_xtinput_id)
649: RequestKillAllXtevents(me);
650: #endif /* WWW_XWINDOWS */
651: #endif /* !_WINDOWS */
652:
653: if (me->reqStatus == HT_ABORT)
654: {
655: if (me->outputfile && me->outputfile[0] != EOS)
656: {
1.233 cvs 657: TtaFileUnlink (me->outputfile);
1.138 cvs 658: me->outputfile[0] = EOS;
659: }
660: }
661:
662: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
663: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
664: or in PutObjectWWW */
665: {
666: if (me->urlName)
667: TtaFreeMemory (me->urlName);
668: if (me->outputfile)
669: TtaFreeMemory (me->outputfile);
670: }
1.206 cvs 671:
1.208 cvs 672: /* the real name to which we are publishing */
673: if (me->default_put_name)
674: TtaFreeMemory (me->default_put_name);
675:
1.206 cvs 676: /* @@ temp change for the %esc conversion */
677: if (me->method == METHOD_PUT && me->urlName)
678: TtaFreeMemory (me->urlName);
679:
1.138 cvs 680: if (me->formdata)
681: HTAssocList_delete (me->formdata);
1.238 cvs 682:
683: /* erase the response headers */
684: HTTP_headers_delete (me->http_headers);
1.138 cvs 685:
1.228 cvs 686: #ifdef ANNOTATIONS
687: if (me->document)
688: TtaFreeMemory (me->document);
689: #endif /* ANNOTATIONS */
690:
1.138 cvs 691: /* to trace bugs */
692: memset ((void *) me, 0, sizeof (AHTReqContext));
693:
694: TtaFreeMemory ((void *) me);
695:
696: Amaya->open_requests--;
697:
698: return TRUE;
1.7 cvs 699: }
1.15 cvs 700: return FALSE;
1.4 cvs 701: }
702:
703:
1.15 cvs 704: /*----------------------------------------------------------------------
1.17 cvs 705: Thread_deleteAll
706: this function deletes the whole list of active threads.
1.5 cvs 707: ----------------------------------------------------------------------*/
1.4 cvs 708: static void Thread_deleteAll (void)
709: {
1.21 cvs 710: HTList *cur;
711: AHTReqContext *me;
712: AHTDocId_Status *docid_status;
713:
1.74 cvs 714: if (Amaya && Amaya->reqlist)
715: {
716: if (Amaya->open_requests > 0)
717: #ifdef DEBUG_LIBWWW
718: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
719: "requests\n", Amaya->open_requests);
720: #endif
721: {
722: cur = Amaya->reqlist;
723:
724: /* erase the requests */
725: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
726: {
727: if (me->request)
728: {
1.142 cvs 729: #ifndef _WINDOWS
730: #ifdef WWW_XWINDOWS
1.74 cvs 731: RequestKillAllXtevents (me);
1.142 cvs 732: #endif /* WWW_XWINDOWS */
1.138 cvs 733: #endif /* !_WINDOWS */
1.140 cvs 734: if (!HTRequest_kill (me->request))
735: AHTReqContext_delete (me);
1.74 cvs 736: }
737: } /* while */
738:
739: /* erase the docid_status entities */
740: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
741: TtaFreeMemory ((void *) docid_status);
742:
743: } /* if */
1.84 cvs 744:
1.74 cvs 745: }
1.4 cvs 746: }
1.198 cvs 747:
1.5 cvs 748: /*----------------------------------------------------------------------
1.83 cvs 749: AHTOpen_file
750: ----------------------------------------------------------------------*/
1.85 cvs 751: int AHTOpen_file (HTRequest * request)
1.83 cvs 752: {
753: AHTReqContext *me; /* current request */
754:
755: me = HTRequest_context (request);
1.93 cvs 756: if (!me)
757: return HT_ERROR;
1.83 cvs 758: #ifdef DEBUG_LIBWWW
1.116 cvs 759: fprintf(stderr, "AHTOpen_file: start for object : %p\n", me);
1.85 cvs 760: #endif /* DEBUG_LIBWWW */
761: if (me->reqStatus == HT_ABORT)
762: {
763: #ifdef DEBUG_LIBWWW
764: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 765: #endif /* DEBUG_LIBWWW */
1.85 cvs 766: return HT_OK;
767: }
768:
1.318 kahan 769: /* me->outputfile is only set when we want to store whatever result the server
770: sends back */
771: if (me->method == METHOD_PUT && !me->outputfile)
1.136 cvs 772: {
773: me->reqStatus = HT_WAITING;
774: return HT_OK;
775: }
776:
1.85 cvs 777: if (HTRequest_outputStream (me->request))
778: {
779: #ifdef DEBUG_LIBWWW
780: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
781: #endif /* DEBUG_LIBWWW */
782: return HT_OK;
783: }
784:
785: #ifdef DEBUG_LIBWWW
1.265 cvs 786: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
1.85 cvs 787: #endif /* DEBUG_LIBWWW */
788:
1.83 cvs 789: if (!(me->output) &&
790: (me->output != stdout) &&
791: #ifndef _WINDOWS
1.265 cvs 792: (me->output = fopen (me->outputfile, "w")) == NULL)
1.116 cvs 793: #else /* !_WINDOWS */
1.265 cvs 794: (me->output = fopen (me->outputfile, "wb")) == NULL)
795: #endif /* !_WINDOWS */
1.83 cvs 796: {
1.131 cvs 797: me->outputfile[0] = EOS; /* file could not be opened */
1.85 cvs 798: #ifdef DEBUG_LIBWWW
799: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
800: #endif
1.265 cvs 801: TtaSetStatus (me->docid, 1,
802: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
803: me->outputfile);
1.83 cvs 804: me->reqStatus = HT_ERR;
805: return (HT_ERROR);
806: }
807:
808: HTRequest_setOutputStream (me->request,
1.265 cvs 809: AHTFWriter_new (me->request, me->output, YES));
1.83 cvs 810: me->reqStatus = HT_WAITING;
1.318 kahan 811:
1.83 cvs 812: return HT_OK;
813: }
814:
815: /*----------------------------------------------------------------------
1.265 cvs 816: SafePut_init
817: Sets up the domains which are authorized to make a redirect on
818: a PUT.
819: ----------------------------------------------------------------------*/
820: static void SafePut_init (void)
821: {
822: char *strptr;
1.266 cvs 823: char *ptr, *ptr2;
824: char *domain;
1.265 cvs 825:
826: /* get the proxy settings from the thot.ini file */
827: strptr = TtaGetEnvString ("SAFE_PUT_REDIRECT");
828: if (strptr && *strptr)
829: {
830: /* Get copy we can mutilate */
1.266 cvs 831: ptr2 = TtaStrdup (strptr);
1.265 cvs 832: /* convert to lowercase */
1.266 cvs 833: ptr = ptr2;
1.265 cvs 834: while (*ptr)
835: {
836: *ptr = tolower (*ptr);
837: ptr++;
838: }
839:
840: /* create the list container */
1.266 cvs 841: safeput_list = HTList_new ();
842:
1.265 cvs 843: /* store the domain list */
1.266 cvs 844: ptr = ptr2;
845: while ((domain = HTNextField (&ptr)) != NULL)
1.265 cvs 846: HTList_addObject (safeput_list, TtaStrdup (domain));
847:
848: TtaFreeMemory (ptr2);
849: }
850: }
851:
852: /*----------------------------------------------------------------------
853: SafePut_delete
854: Deletes the safeput_list variable
855: ----------------------------------------------------------------------*/
856: static void SafePut_delete (void)
857: {
858: HTList *cur = safeput_list;
859: char *domain;
860:
861: if (!safeput_list)
862: return;
863:
864: while ((domain = (char *) HTList_nextObject (cur)))
865: TtaFreeMemory (domain);
866: HTList_delete (safeput_list);
867: safeput_list = NULL;
868: }
869:
870: /*----------------------------------------------------------------------
871: SafePut_query
872: returns true if the domain to which belongs the URL accepts an automatic
873: PUT redirect.
874: ----------------------------------------------------------------------*/
875: static ThotBool SafePut_query (char *url)
876: {
1.266 cvs 877: HTList *cur;
878: char *me;
879: ThotBool found;
880: char tmp[MAX_LENGTH];
1.265 cvs 881:
882: /* extract the domain path of the url and normalize it */
883: /* domain = url; */
884: cur = safeput_list;
885: found = FALSE;
886:
1.266 cvs 887: while ((me = (char *) HTList_nextObject (cur)))
888: {
1.273 cvs 889: strcpy (tmp, me);
1.266 cvs 890: if (strstr (url, tmp))
891: {
892: found = TRUE;
893: break;
894: }
895: }
1.265 cvs 896:
897: return (found);
898: }
899:
900: /*----------------------------------------------------------------------
1.17 cvs 901: redirection_handler
902: this function is registered to handle permanent and temporary
903: redirections.
904: ----------------------------------------------------------------------*/
1.265 cvs 905: static int redirection_handler (HTRequest *request, HTResponse *response,
906: void *param, int status)
1.4 cvs 907: {
1.265 cvs 908: HTAnchor *new_anchor = HTResponse_redirection (response);
909: AHTReqContext *me = HTRequest_context (request);
910: HTMethod method = HTRequest_method (request);
911: char *ref;
912: char *escape_src, *dst;
913: char urlAdr[MAX_LENGTH];
914:
915: if (!me)
916: /* if the redirect doesn't come from Amaya, we call libwww's standard redirect filter */
917: return (HTRedirectFilter (request, response, param, status));
918:
919: if (!new_anchor)
920: {
921: if (PROT_TRACE)
1.235 cvs 922: HTTrace ("Redirection. No destination\n");
1.265 cvs 923: return HT_OK;
924: }
1.4 cvs 925:
926: /*
1.207 cvs 927: ** Only do redirect on GET, HEAD, and authorized domains for PUT
1.265 cvs 928: */
929: if ((me->method == METHOD_PUT && !SafePut_query (me->urlName)) ||
930: (me->method != METHOD_PUT && !HTMethod_isSafe (method)))
931: {
932: /*
933: ** If we got a 303 See Other then change the method to GET.
934: ** Otherwise ask the user whether we should continue.
935: */
936: if (status == HT_SEE_OTHER)
937: {
1.235 cvs 938: if (PROT_TRACE)
1.265 cvs 939: HTTrace("Redirection. Changing method from %s to GET\n", HTMethod_name(method));
940: HTRequest_setMethod(request, METHOD_GET);
941: }
942: else
943: {
944: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
945: if (prompt)
946: {
947: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION, NULL, NULL, NULL) != YES)
948: {
949: /* the user didn't agree on the redirection, so
950: we consider it's an abort */
951: me->reqStatus = HT_ABORT;
952: /* and we return HT_OK so that the terminate_handler
953: will be called */
954: return HT_OK;
955: }
956: }
957: }
958: }
959:
1.4 cvs 960: /*
1.265 cvs 961: ** Start new request with the redirect anchor found in the headers.
962: ** Note that we reuse the same request object which means that we must
963: ** keep this around until the redirected request has terminated. It also
964: ** allows us in an easy way to keep track of the number of redirections
965: ** so that we can detect endless loops.
966: */
967: if (HTRequest_doRetry (request))
968: {
969: /*
970: ** Start request with new credentials
971: */
972: /* only do a redirect using a network protocol understood by Amaya */
1.273 cvs 973: strcpy (urlAdr, new_anchor->parent->address);
1.265 cvs 974: if (IsValidProtocol (urlAdr))
975: {
976: /* if it's a valid URL, we try to normalize it */
977: /* We use the pre-redirection anchor as a base name */
978: /* @@ how to obtain this address here? */
979: dst = urlAdr;
980: escape_src = EscapeURL (me->urlName);
981: if (escape_src)
982: {
983: ref = AmayaParseUrl (dst, escape_src, AMAYA_PARSE_ALL);
984: TtaFreeMemory (escape_src);
985: }
986: else
987: ref = NULL;
988:
989: if (ref)
990: {
991: HTAnchor_setPhysical (HTAnchor_parent (new_anchor), ref);
992: TtaFreeMemory (ref);
993: }
994: else
995: return HT_OK; /* We can't redirect anymore */
996: }
997: else
998: return HT_OK; /* We can't redirect anymore */
999:
1000: /* update the current file name */
1001: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC) ||
1002: (me->method == METHOD_PUT))
1003: {
1004: TtaFreeMemory (me->urlName);
1.272 cvs 1005: me->urlName = TtaStrdup (urlAdr);
1.265 cvs 1006: }
1007: else
1008: {
1009: /* it's a SYNC mode, so we should keep the urlName */
1010: strncpy (me->urlName, urlAdr, MAX_LENGTH - 1);
1011: me->urlName[MAX_LENGTH - 1] = EOS;
1012: }
1013: ChopURL (me->status_urlName, me->urlName);
1.166 cvs 1014:
1.265 cvs 1015: /* @@ verify if this is important */
1016: /* @@@ new libwww doesn't need this free stream while making
1017: a PUT. Is it the case everywhere or just for PUT? */
1018: if (me->method != METHOD_PUT &&
1019: me->request->orig_output_stream != NULL)
1020: {
1021: AHTFWriter_FREE (me->request->orig_output_stream);
1022: me->request->orig_output_stream = NULL;
1023: if (me->output != stdout)
1024: {
1025: /* Are we writing to a file? */
1.257 kahan 1026: #ifdef DEBUG_LIBWWW
1.265 cvs 1027: fprintf (stderr, "redirection_handler: New URL is %s, closing FILE %p\n", me->urlName, me->output);
1.257 kahan 1028: #endif
1.265 cvs 1029: fclose (me->output);
1030: me->output = NULL;
1031: }
1032: }
1033:
1034: /* tell the user what we're doing */
1035: TtaSetStatus (me->docid, 1,
1036: TtaGetMessage (AMAYA, AM_RED_FETCHING), me->status_urlName);
1037: /*
1038: ** launch the request
1039: */
1040: /* add a link relationship? */
1041: /* reset the request status */
1042: me->reqStatus = HT_NEW;
1043: /* clear the errors */
1044: HTError_deleteAll (HTRequest_error (request));
1045: HTRequest_setError (request, NULL);
1046: /* clear the authentication credentials, as they get regenerated */
1047: HTRequest_deleteCredentialsAll (request);
1.297 kirschpi 1048:
1049: #ifdef DAV
1.299 kirschpi 1050: /* remove the old header "If" (WebDAV lock information) */
1.297 kirschpi 1051: DAVRemoveIfHeader (me);
1052:
1053: /* search lock information for the new url */
1054: if (me->method == METHOD_POST || me->method == METHOD_PUT)
1055: DAVAddIfHeader (me,me->urlName);
1.302 kirschpi 1056: #endif /* DAV */
1.265 cvs 1057:
1058: if (me->method == METHOD_POST || me->method == METHOD_PUT)
1.285 kahan 1059: {
1060: /* PUT, POST etc. */
1061: /* for PUT, we memorize there was a redirection, so that we
1062: can clear the original cache entry in the terminate_handler */
1063: if (me->method == METHOD_PUT)
1064: me->put_redirection = TRUE;
1065: status = HTLoadAbsolute (me->urlName, request);
1066: }
1.265 cvs 1067: else
1068: HTLoadAnchor (new_anchor, request);
1069: }
1070: else
1071: {
1072: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT, NULL, 0, "HTRedirectFilter");
1073: /* so that we can show the error message */
1074: if (me->error_html)
1075: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1076: me->reqStatus = HT_ERR;
1077: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT), NULL);
1078: }
1079:
1.4 cvs 1080: /*
1.74 cvs 1081: ** By returning HT_ERROR we make sure that this is the last handler to be
1082: ** called. We do this as we don't want any other filter to delete the
1083: ** request object now when we have just started a new one ourselves
1084: */
1.4 cvs 1085: return HT_ERROR;
1086: }
1087:
1.151 cvs 1088: #ifdef AMAYA_LOST_UPDATE
1089: /*----------------------------------------------------------------------
1090: precondition_handler
1091: 412 "Precondition failed" handler
1092: ----------------------------------------------------------------------*/
1.265 cvs 1093: static int precondition_handler (HTRequest *request, HTResponse *response,
1094: void *context, int status)
1.151 cvs 1095: {
1.315 vatton 1096: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.168 cvs 1097: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.315 vatton 1098: ThotBool force_put;
1.151 cvs 1099:
1100: if (!me)
1101: return HT_OK; /* not an Amaya request */
1102:
1.168 cvs 1103: if (prompt)
1.315 vatton 1104: {
1105: if (me->method == METHOD_GET)
1.316 vatton 1106: {
1.315 vatton 1107: /* @@@@ IV */
1.316 vatton 1108: (*prompt) (request, HT_A_CONFIRM, status, NULL, NULL, NULL);
1109: force_put = NO;
1110: }
1.315 vatton 1111: else
1112: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_RULES,
1113: NULL, NULL, NULL);
1114: }
1.168 cvs 1115: else
1116: force_put = NO;
1117:
1118: if (force_put)
1119: {
1.297 kirschpi 1120: #ifdef DAV
1121: BOOL noIf = NO;
1122:
1123: /* MKP: if the old request has preconditions, *
1124: * then, we supose that these preconditions *
1125: * caused the 412 Precondition Failed status *
1126: * code, otherwise we supose that the cause *
1127: * was an eventual If header. */
1.315 vatton 1128: if (HTRequest_preconditions(me->request) != HT_NO_MATCH)
1.297 kirschpi 1129: noIf = NO;
1130: else
1131: noIf = YES;
1.302 kirschpi 1132: #endif /* DAV */
1.297 kirschpi 1133:
1134:
1.168 cvs 1135: /* start a new PUT request without preconditions */
1136: /* @@ do we need to kill the request? */
1137: if (me->output && me->output != stdout)
1138: {
1139: fclose (me->output);
1140: me->output = NULL;
1141: }
1142: /*
1143: ** reset the Amaya and libwww request status
1144: */
1.176 cvs 1145:
1146: /* start with a new, clean request structure */
1147: HTRequest_delete (me->request);
1148: me->request = HTRequest_new ();
1149: /* clean the associated file structure) */
1150: HTRequest_setOutputStream (me->request, NULL);
1151: /* Initialize the other members of the structure */
1.171 cvs 1152: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1153: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1154: HTRequest_setContext (me->request, me);
1155: HTRequest_setPreemptive (me->request, NO);
1156: /*
1157: ** Make sure that the first request is flushed immediately and not
1158: ** buffered in the output buffer
1159: */
1160: if (me->mode & AMAYA_FLUSH_REQUEST)
1161: HTRequest_setFlush(me->request, YES);
1162:
1.171 cvs 1163: /* turn off preconditions */
1164: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1165: me->reqStatus = HT_NEW;
1.297 kirschpi 1166:
1167:
1168: #ifdef DAV
1.302 kirschpi 1169: /* MKP: add an If header (lock information) only
1170: * if there wasn't preconditions */
1.315 vatton 1171: if (noIf != YES)
1172: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.297 kirschpi 1173: #endif /* DAV */
1174:
1175:
1.171 cvs 1176: /* make the request */
1.176 cvs 1177: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
1178: me->dest, me->request);
1.168 cvs 1179: /* stop here */
1180: return HT_ERROR;
1181: }
1182: else
1183: {
1184: /* abort the request */
1185: /* @@ should we call StopRequest here? */
1186: me->reqStatus = HT_ABORT;
1187: /* stop here */
1188: return HT_ERROR;
1189: }
1190: }
1.151 cvs 1191:
1.168 cvs 1192: /*----------------------------------------------------------------------
1193: check_handler
1194: Request HEAD checker filter
1195: ----------------------------------------------------------------------*/
1196: static int check_handler (HTRequest * request, HTResponse * response,
1.151 cvs 1197: void * param, int status)
1198: {
1.168 cvs 1199: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1200: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.191 cvs 1201: ThotBool force_put;
1.168 cvs 1202:
1203: if (!me)
1204: return HT_OK; /* not an Amaya request */
1205:
1206: HTRequest_deleteAfter(me->request, check_handler);
1207: /*
1208: ** If head request showed that the document doesn't exist
1209: ** then just go ahead and PUT it. Otherwise ask for help
1210: */
1211: if (status == HT_ERROR || status == HT_INTERRUPTED || status == HT_TIMEOUT)
1212: {
1213: /* we'd need to call terminate_handler, to free the resources */
1214: /* abort the request */
1215: /* @@ should we call StopRequest here? */
1216: me->reqStatus = HT_ABORT;
1217: /* stop here */
1218: return HT_ERROR;
1219: }
1220: else if (status == HT_NO_ACCESS || status == HT_NO_PROXY_ACCESS)
1221: {
1222: /* we'd need to call terminate_handler, to free the resources */
1223: /* abort the request */
1224: /* @@ should we call StopRequest here? */
1225: me->reqStatus = HT_ABORT;
1226: /* stop here */
1227: return HT_ERROR;
1228: }
1229: else if ( (abs(status)/100) != 2)
1230: {
1.176 cvs 1231: /* start with a new, clean request structure */
1232: HTRequest_delete (me->request);
1233: me->request = HTRequest_new ();
1.208 cvs 1234: /* add the default PUT name */
1235: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.176 cvs 1236: /* clean the associated file structure) */
1237: HTRequest_setOutputStream (me->request, NULL);
1238: /* Initialize the other members of the structure */
1.171 cvs 1239: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1240: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1241: HTRequest_setContext (me->request, me);
1242: HTRequest_setPreemptive (me->request, NO);
1243: /*
1244: ** Make sure that the first request is flushed immediately and not
1245: ** buffered in the output buffer
1246: */
1247: if (me->mode & AMAYA_FLUSH_REQUEST)
1248: HTRequest_setFlush(me->request, YES);
1.297 kirschpi 1249:
1250: #ifdef DAV
1.302 kirschpi 1251: /* MKP: try to add an "If" header (lock information)
1252: * Such header will be added only if there is a
1253: * lock information in the local base. */
1.297 kirschpi 1254: DAVAddIfHeader (me,me->urlName);
1.302 kirschpi 1255: #endif /* DAV */
1.297 kirschpi 1256:
1.176 cvs 1257:
1258: /* turn on the special preconditions, to avoid having this
1259: ressource appear before we do the PUT */
1.168 cvs 1260: HTRequest_setPreconditions(me->request, HT_DONT_MATCH_ANY);
1.171 cvs 1261: me->reqStatus = HT_NEW;
1.168 cvs 1262: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1263: return HT_ERROR; /* stop here */
1.176 cvs 1264: }
1.168 cvs 1265: else
1266: {
1267: if (prompt)
1268: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_FILE_REPLACE,
1269: NULL, NULL, NULL);
1270: else
1271: force_put = FALSE;
1272:
1273: if (force_put)
1.151 cvs 1274: {
1275: /* Start a new PUT request without preconditions */
1.176 cvs 1276:
1277: /* get a new, clean request structure */
1278: HTRequest_delete (me->request);
1279: me->request = HTRequest_new ();
1.208 cvs 1280: /* add the default PUT name */
1281: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.176 cvs 1282: /* clean the associated file structure) */
1283: HTRequest_setOutputStream (me->request, NULL);
1284: /* Initialize the other members of the structure */
1.171 cvs 1285: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 1286: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
1287: HTRequest_setContext (me->request, me);
1288: HTRequest_setPreemptive (me->request, NO);
1.297 kirschpi 1289:
1290: #ifdef DAV
1.302 kirschpi 1291: /* MKP: try to add an "If" header (lock information)
1292: * Such header will be added only if there is a
1293: * lock information in the local base. */
1.297 kirschpi 1294: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.302 kirschpi 1295: #endif /* DAV */
1296:
1.297 kirschpi 1297:
1.176 cvs 1298: /*
1299: ** Make sure that the first request is flushed immediately and not
1300: ** buffered in the output buffer
1301: */
1302: if (me->mode & AMAYA_FLUSH_REQUEST)
1303: HTRequest_setFlush(me->request, YES);
1304: /* remove the preconditions */
1.168 cvs 1305: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1.171 cvs 1306: me->reqStatus = HT_NEW;
1.176 cvs 1307: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
1308: me->dest, me->request);
1.168 cvs 1309: return HT_ERROR; /* stop here */
1.151 cvs 1310: }
1.168 cvs 1311: else
1312: {
1313: /* we'd need to call terminate_handler, to free the resources */
1314: /* abort the request */
1315: /* @@ should we call StopRequest here? */
1316: me->reqStatus = HT_ABORT;
1317: /* stop here */
1318: return HT_ERROR;
1319: }
1320: }
1321: return HT_ERROR;
1.151 cvs 1322: }
1323: #endif /* AMAYA_LOST_UPDATE */
1324:
1.5 cvs 1325: /*----------------------------------------------------------------------
1.17 cvs 1326: terminate_handler
1327: this function is registered to handle the result of the request
1.5 cvs 1328: ----------------------------------------------------------------------*/
1.265 cvs 1329: static int terminate_handler (HTRequest *request, HTResponse *response,
1330: void *context, int status)
1.4 cvs 1331: {
1.116 cvs 1332: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.191 cvs 1333: ThotBool error_flag;
1.116 cvs 1334:
1335: if (!me)
1.214 cvs 1336: return HT_ERROR; /* not an Amaya request */
1.116 cvs 1337:
1338: if (me->reqStatus == HT_END)
1339: /* we have already processed this request! */
1340: return HT_OK;
1341:
1342: /* if Amaya was killed, treat with this request as if it were
1343: issued by a Stop button event */
1344:
1345: if (!AmayaIsAlive ())
1.80 cvs 1346: me->reqStatus = HT_ABORT;
1.220 cvs 1347:
1348: /* trying to protect against this problem... hard to place
1349: the detection elsewhere :-/ */
1.240 cvs 1350: /* @@ JK: Is this still needed? */
1.220 cvs 1351: if (IsHTTP09Error (request))
1352: status = -1;
1353:
1.238 cvs 1354: if (status == HT_LOADED
1355: || status == HT_CREATED
1356: || status == HT_NO_DATA
1.249 kahan 1357: /* JK: removed it as the kludge doesn't seem useful anymore */
1.160 cvs 1358: /* kludge for work around libwww problem */
1.249 kahan 1359: /* || (status == HT_INTERRUPTED && me->method == METHOD_PUT) */
1.116 cvs 1360: #ifdef AMAYA_WWW_CACHE
1361: /* what status to use to know we're downloading from a cache? */
1.238 cvs 1362: || status == HT_NOT_MODIFIED
1363: || status == HT_PARTIAL_CONTENT
1.116 cvs 1364: #endif /* AMAYA_WWW_CACHE */
1.238 cvs 1365: || me->reqStatus == HT_ABORT)
1.74 cvs 1366: error_flag = FALSE;
1.297 kirschpi 1367: #ifdef DAV
1368: else if (status == HT_LOCKED
1369: || status == HT_FAILED_DEPENDENCY
1.302 kirschpi 1370: || status == HT_MULTI_STATUS)
1371: {
1.297 kirschpi 1372: /* WebDAV return codes - they are handled in
1373: * specific filters. We don't need to deal
1374: * with them anymore
1375: */
1376: error_flag = FALSE;
1.302 kirschpi 1377: }
1378: #endif /* DAV */
1.256 kahan 1379: else
1.74 cvs 1380: error_flag = TRUE;
1.130 cvs 1381:
1.285 kahan 1382: /* If we did a PUT that was redirected, clean the original
1383: cache entry */
1384: if (status == 204 && me->method == METHOD_PUT && me->put_redirection)
1385: {
1386: HTCache * cache;
1387: HTParentAnchor * anchor = HTAnchor_parent (me->dest);
1388: cache = HTCache_find (anchor, NULL);
1389: if (cache)
1390: {
1391: /* what a problem... we update the cache with the wrong data
1392: from the response... after the redirection */
1393: HTCache_resetMeta (cache, request, response);
1394: }
1395: else
1396: /* If entry doesn't already exist then create a new entry */
1397: HTCache_touch(request, response, HTAnchor_parent (me->dest));
1398: }
1399:
1.4 cvs 1400: /* output any errors from the server */
1.130 cvs 1401:
1.77 cvs 1402: /*
1.74 cvs 1403: ** me->output = output file which will receive an html file
1404: ** me->error_html = yes, output HTML errors in the screen
1405: ** request->error_stack == if there are any errors, they will be here
1406: ** me->error_stream_size If it's != 0 means an error message has already
1407: ** been written to the stack
1408: */
1409:
1.4 cvs 1410: /* First, we verify if there are any errors and if they are not
1.17 cvs 1411: ** yet written to the error stack. If no, then let's try to write them
1412: ** ourselves
1413: */
1.74 cvs 1414:
1415: #ifdef DEBUG_LIBWWW
1416: fprintf (stderr, "terminate_handler: URL is "
1417: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
1418: status);
1.69 cvs 1419: #endif
1.74 cvs 1420:
1.69 cvs 1421: if (me->output && me->output != stdout)
1422: {
1.214 cvs 1423: /* we are writing to a local file */
1.74 cvs 1424: if (me->reqStatus != HT_ABORT)
1425: { /* if the request was not aborted and */
1.80 cvs 1426: if (error_flag &&
1427: me->error_html == TRUE)
1428: /* there were some errors and we want to print them */
1429: {
1.314 kahan 1430: /* if the transfer was interrupted, the file may not be
1431: empty. So, we erase it */
1432: fflush (me->output);
1433: rewind (me->output);
1434:
1.80 cvs 1435: if (me->error_stream)
1436: { /* if the stream is non-empty */
1.313 kahan 1437: fprintf (me->output, "%s", me->error_stream);/* output the errors */
1.85 cvs 1438: /* Clear the error context, so that we can deal with
1439: this answer as if it were a normal reply */
1440: HTError_deleteAll( HTRequest_error (request));
1441: HTRequest_setError (request, NULL);
1442: error_flag = 0;
1.74 cvs 1443: }
1444: } /* if error_stack */
1.85 cvs 1445: }
1.314 kahan 1446:
1.85 cvs 1447: /* if != HT_ABORT */
1448:
1449: #ifdef DEBUG_LIBWWW
1450: fprintf (stderr, "terminate_handler: URL is %s, closing "
1451: "FILE %p\n", me->urlName, me->output);
1452: #endif
1.74 cvs 1453: fclose (me->output);
1454: me->output = NULL;
1.69 cvs 1455: }
1.80 cvs 1456:
1.214 cvs 1457: /* a very special handling so that we can put a message box
1458: to tell the user WHAT he has just done... */
1459: if (UserAborted_flag && me->method == METHOD_PUT)
1460: {
1461: HTRequest_addError (request, ERR_FATAL, NO, HTERR_INTERRUPTED,
1462: "Operation aborted by user", 0, NULL);
1463: }
1464:
1.80 cvs 1465: if (error_flag)
1466: me->reqStatus = HT_ERR;
1.214 cvs 1467: else
1468: if (me->reqStatus != HT_ABORT)
1469: me->reqStatus = HT_END;
1.154 cvs 1470:
1.238 cvs 1471: /* copy the headers in which the application is interested */
1472: HTTP_headers_set (request, response, context, status);
1.114 cvs 1473:
1.115 cvs 1474: /* to avoid a hangup while downloading css files */
1.140 cvs 1475: if (AmayaAlive_flag && (me->mode & AMAYA_LOAD_CSS))
1.265 cvs 1476: TtaSetStatus (me->docid, 1,
1477: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1478: me->status_urlName);
1.116 cvs 1479:
1480: /* don't remove or Xt will hang up during the PUT */
1481: if (AmayaIsAlive () && ((me->method == METHOD_POST) ||
1482: (me->method == METHOD_PUT)))
1.7 cvs 1483: {
1.80 cvs 1484: PrintTerminateStatus (me, status);
1485: }
1.114 cvs 1486:
1.111 cvs 1487: ProcessTerminateRequest (request, response, context, status);
1.116 cvs 1488:
1.151 cvs 1489: /* stop here */
1.150 cvs 1490: return HT_ERROR;
1.4 cvs 1491: }
1492:
1.5 cvs 1493: /*----------------------------------------------------------------------
1.17 cvs 1494: AHTLoadTerminate_handler
1.74 cvs 1495: this is an application "AFTER" Callback. It's called by the library
1496: when a request has ended, so that we can setup the correct status.
1.5 cvs 1497: ----------------------------------------------------------------------*/
1.265 cvs 1498: int AHTLoadTerminate_handler (HTRequest *request, HTResponse *response,
1499: void *param, int status)
1.4 cvs 1500: {
1.116 cvs 1501: /** @@@@ use this with printstatus ?? */
1.4 cvs 1502: AHTReqContext *me = HTRequest_context (request);
1503: HTAlertCallback *cbf;
1504: AHTDocId_Status *docid_status;
1505:
1.7 cvs 1506: switch (status)
1.116 cvs 1507: {
1508: case HT_LOADED:
1509: if (PROT_TRACE)
1510: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1511: me->status_urlName);
1.4 cvs 1512:
1.116 cvs 1513: docid_status = GetDocIdStatus (me->docid,
1514: Amaya->docid_status);
1.7 cvs 1515:
1.116 cvs 1516: if (docid_status != NULL && docid_status->counter > 1)
1517: TtaSetStatus (me->docid, 1,
1518: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1.233 cvs 1519: me->status_urlName);
1.7 cvs 1520: break;
1.116 cvs 1521:
1522: case HT_NO_DATA:
1523: if (PROT_TRACE)
1524: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
1525: me->status_urlName);
1.297 kirschpi 1526: #ifdef DAV
1.302 kirschpi 1527: if (me->method==METHOD_UNLOCK)
1528: {
1529: /* MKP: set an appropriate status message */
1.297 kirschpi 1530: TtaSetStatus (me->docid, 1,
1531: TtaGetMessage (AMAYA, AM_UNLOCK_SUCCEED),
1532: NULL);
1.302 kirschpi 1533: }
1.297 kirschpi 1534: else
1.302 kirschpi 1535: #endif /* DAV */
1.297 kirschpi 1536: TtaSetStatus (me->docid, 1,
1.116 cvs 1537: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1.233 cvs 1538: me->status_urlName);
1.116 cvs 1539: break;
1540:
1541: case HT_INTERRUPTED:
1542: if (PROT_TRACE)
1543: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
1544: me->status_urlName);
1545: TtaSetStatus (me->docid, 1,
1546: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
1547: NULL);
1548: break;
1.7 cvs 1549:
1.116 cvs 1550: case HT_RETRY:
1551: if (PROT_TRACE)
1552: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
1553: HTResponse_retryTime (response));
1554: TtaSetStatus (me->docid, 1,
1555: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1.233 cvs 1556: me->status_urlName);
1.116 cvs 1557: break;
1.7 cvs 1558:
1.247 kahan 1559: case HT_NOT_MODIFIED:
1560: if (PROT_TRACE)
1.265 cvs 1561: HTTrace ("Load End.... NOT MODIFIED (%s)",
1562: me->status_urlName ? me->status_urlName :" <UNKNOWN>");
1.247 kahan 1563: break;
1564:
1.116 cvs 1565: case HT_ERROR:
1566: cbf = HTAlert_find (HT_A_MESSAGE);
1567: if (cbf)
1568: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1569: HTRequest_error (request), NULL);
1.247 kahan 1570: if (PROT_TRACE)
1.265 cvs 1571: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1572: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1573: TtaSetStatus (me->docid, 1,
1574: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1575: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1.116 cvs 1576: break;
1.247 kahan 1577:
1578: case HTERR_TIMEOUT:
1579: cbf = HTAlert_find (HT_A_MESSAGE);
1580: if (cbf)
1581: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1582: HTRequest_error (request), NULL);
1.116 cvs 1583: if (PROT_TRACE)
1.265 cvs 1584: HTTrace ("Load End.... REQUEST TIMEOUT: Can't access `%s\'\n",
1585: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1586: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1587: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1.116 cvs 1588: break;
1.247 kahan 1589:
1.116 cvs 1590: default:
1591: if (PROT_TRACE)
1592: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
1593: break;
1594: }
1595:
1596: return HT_OK;
1597: }
1.7 cvs 1598:
1.248 kahan 1599: /*----------------------------------------------------------------------
1600: LineTrace
1601: Makes a file copy of libwww's traces
1602: ----------------------------------------------------------------------*/
1.116 cvs 1603: static int LineTrace (const char * fmt, va_list pArgs)
1604: {
1.248 kahan 1605: vfprintf (trace_fp, fmt, pArgs);
1606: return (fflush (trace_fp));
1.4 cvs 1607: }
1608:
1.27 cvs 1609: /*----------------------------------------------------------------------
1610: AHTAcceptTypesInit
1.74 cvs 1611: This function prepares the Accept header used by Amaya during
1612: the HTTP content negotiation phase
1.27 cvs 1613: ----------------------------------------------------------------------*/
1614: static void AHTAcceptTypesInit (HTList *c)
1615: {
1.223 cvs 1616: if (c == (HTList *) NULL)
1.27 cvs 1617: return;
1618:
1.223 cvs 1619: /* define here all the mime types that Amaya can accept */
1.27 cvs 1620:
1.223 cvs 1621: HTConversion_add (c, "image/png", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1622: HTConversion_add (c, "image/jpeg", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1623: HTConversion_add (c, "image/gif", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1624: HTConversion_add (c, "image/xbm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1625: HTConversion_add (c, "image/xpm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.183 cvs 1626:
1.27 cvs 1627: /* Define here the equivalences between MIME types and file extensions for
1.223 cvs 1628: the types that Amaya can display */
1.27 cvs 1629:
1.176 cvs 1630: /* Initialize suffix bindings for local files */
1631: HTBind_init();
1632:
1.27 cvs 1633: /* Register the default set of file suffix bindings */
1634: HTFileInit ();
1635:
1.257 kahan 1636: /* Register additional bindings */
1.276 kahan 1637: HTBind_add("htm", "text/html", NULL, "8bit", NULL, 1.0);
1.257 kahan 1638: HTBind_add("tgz", "application/gnutar", NULL, "binary", NULL, 1.0);
1.293 kahan 1639: HTBind_add("mml", AM_MATHML_MIME_TYPE, NULL, "8bit", NULL, 1.0);
1640: HTBind_add("svg", AM_SVG_MIME_TYPE, NULL, "8bit", NULL, 1.0);
1.260 kahan 1641: HTBind_add("xsl", "text/xml", NULL, "8bit", NULL, 1.0);
1.27 cvs 1642: /* Don't do any case distinction */
1643: HTBind_caseSensitive (FALSE);
1644: }
1.4 cvs 1645:
1.5 cvs 1646: /*----------------------------------------------------------------------
1.193 cvs 1647: AHTAcceptLanguagesInit
1648: This function prepares the Accept header used by Amaya during
1649: the HTTP content negotiation phase
1650: ----------------------------------------------------------------------*/
1.196 cvs 1651: static void AHTAcceptLanguagesInit (HTList *c)
1.193 cvs 1652: {
1.265 cvs 1653: char *ptr;
1654: char *lang_list;
1.223 cvs 1655: char s[3];
1.196 cvs 1656: int count, lg;
1657: double quality;
1658: ThotBool still;
1.193 cvs 1659:
1660: if (c == (HTList *) NULL)
1.265 cvs 1661: return;
1.193 cvs 1662:
1.203 cvs 1663: lang_list = TtaGetEnvString ("ACCEPT_LANGUAGES");
1.197 cvs 1664: s[2] = EOS;
1.272 cvs 1665: if (lang_list && *lang_list != EOS)
1.193 cvs 1666: {
1667: /* add the default language first */
1668: HTLanguage_add (c, "*", -1.0);
1669: /* how many languages do we have? */
1.196 cvs 1670: ptr = lang_list;
1671: count = 0;
1.272 cvs 1672: while (*ptr != EOS)
1.265 cvs 1673: {
1.272 cvs 1674: while (*ptr != EOS &&
1.265 cvs 1675: (*ptr < 'A' || (*ptr > 'Z' && *ptr < 'a') || *ptr > 'z'))
1676: /* skip the whole separator */
1677: ptr++;
1678: lg = 0;
1679: while ((*ptr >= 'A' &&
1680: *ptr <= 'Z') || (*ptr >= 'a' && *ptr <= 'z') || *ptr == '-')
1681: {
1682: /* it's a new language */
1683: ptr++;
1684: lg++;
1685: }
1686: if (lg >= 2)
1687: count++;
1.272 cvs 1688: if (*ptr != EOS)
1.265 cvs 1689: ptr++;
1690: }
1.193 cvs 1691:
1.196 cvs 1692: if (count > 0)
1.265 cvs 1693: quality = 1.1 - (double) count/10.0;
1.193 cvs 1694: else
1.265 cvs 1695: quality = 1.0;
1.193 cvs 1696:
1.265 cvs 1697: /* Read the languages from the registry, then inject them one, by one.
1698: The first one is the one with the highest priority.
1699: The libwww ask for the lowest priority first.
1.196 cvs 1700: */
1701: ptr--;
1702: still = TRUE;
1.265 cvs 1703: while (count)
1704: {
1705: while (still && (*ptr < 'A' || (*ptr > 'Z' && *ptr < 'a') || *ptr > 'z'))
1706: /* skip the whole separator */
1707: if (ptr > lang_list)
1708: ptr--;
1709: else
1710: still = FALSE;
1711: lg = 0;
1712: while (still &&
1713: ((*ptr >= 'A' &&
1714: *ptr <= 'Z') || (*ptr >= 'a' && *ptr <= 'z') || *ptr == '-'))
1715: {
1716: /* it's a new language */
1717: if (ptr > lang_list)
1718: ptr--;
1719: else
1720: still = FALSE;
1721: lg++;
1722: }
1723: if (lg >= 2)
1724: {
1725: if (still)
1726: strncpy (s, &ptr[1], 2);
1727: else
1728: strncpy (s, lang_list, 2);
1729: count--;
1730: HTLanguage_add (c, s, quality);
1731: quality += 0.1;
1732: }
1733: ptr--;
1734: }
1735: }
1.193 cvs 1736: }
1737:
1738: /*----------------------------------------------------------------------
1.17 cvs 1739: AHTConverterInit
1740: Bindings between a source media type and a destination media type
1741: (conversion).
1.5 cvs 1742: ----------------------------------------------------------------------*/
1.15 cvs 1743: static void AHTConverterInit (HTList *c)
1.4 cvs 1744: {
1745: /* Handler for custom http error messages */
1.7 cvs 1746: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 1747:
1748: /*
1749: ** These are converters that converts to something other than www/present,
1750: ** that is not directly outputting someting to the user on the screen
1751: */
1752:
1.223 cvs 1753: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
1754: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter, 1.0, 0.0, 0.0);
1755: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader, 1.0, 0.0, 0.0);
1756: HTConversion_add(c,"message/x-rfc822-cont", "*/*", HTMIMEContinue, 1.0, 0.0, 0.0);
1757: HTConversion_add(c,"message/x-rfc822-partial","*/*", HTMIMEPartial, 1.0, 0.0, 0.0);
1758: HTConversion_add (c, "multipart/*", "*/*", HTBoundary, 1.0, 0.0, 0.0);
1759: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML, 1.0, 0.0, 0.0);
1.4 cvs 1760:
1761: /*
1.116 cvs 1762: ** The following conversions are converting ASCII output from various
1763: ** protocols to HTML objects.
1764: */
1.223 cvs 1765: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new, 1.0, 0.0, 0.0);
1.4 cvs 1766:
1767: /*
1.116 cvs 1768: ** We also register a special content type guess stream that can figure out
1769: ** the content type by reading the first bytes of the stream
1770: */
1.223 cvs 1771: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new, 1.0, 0.0, 0.0);
1.4 cvs 1772:
1.116 cvs 1773: #ifdef AMAYA_WWW_CACHE
1.4 cvs 1774: /*
1.116 cvs 1775: ** Register a persistent cache stream which can save an object to local
1776: ** file
1777: */
1.223 cvs 1778: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter, 1.0, 0.0, 0.0);
1779: HTConversion_add(c,"www/cache-append", "*/*", HTCacheAppend, 1.0, 0.0, 0.0);
1.306 cheyroul 1780: #endif /*AMAYA_WWW_CACHE*/
1.4 cvs 1781:
1782: /*
1.116 cvs 1783: ** This dumps all other formats to local disk without any further
1784: ** action taken
1785: */
1.223 cvs 1786: HTConversion_add (c, "*/*", "www/present", HTSaveLocally, 0.3, 0.0, 0.0);
1.4 cvs 1787: }
1788:
1.27 cvs 1789:
1.15 cvs 1790: /*----------------------------------------------------------------------
1.17 cvs 1791: AHTProtocolInit
1792: Registers all amaya supported protocols.
1.15 cvs 1793: ----------------------------------------------------------------------*/
1.4 cvs 1794: static void AHTProtocolInit (void)
1795: {
1.265 cvs 1796: char *strptr;
1.4 cvs 1797:
1.116 cvs 1798: /*
1799: NB. Preemptive == YES means Blocking requests
1800: Non-preemptive == NO means Non-blocking requests
1801: */
1802: HTTransport_add("tcp", HT_TP_SINGLE, HTReader_new, HTWriter_new);
1803: HTTransport_add("buffered_tcp", HT_TP_SINGLE, HTReader_new,
1804: HTBufferWriter_new);
1805: HTProtocol_add ("http", "buffered_tcp", HTTP_PORT, NO, HTLoadHTTP, NULL);
1.136 cvs 1806: #ifdef _WINDOWS
1807: HTProtocol_add ("file", "local", 0, YES, HTLoadFile, NULL);
1808: #else
1.116 cvs 1809: HTProtocol_add ("file", "local", 0, NO, HTLoadFile, NULL);
1.198 cvs 1810: #endif /* _WINDOWS */
1.116 cvs 1811: #ifdef AMAYA_WWW_CACHE
1812: HTProtocol_add("cache", "local", 0, YES, HTLoadCache, NULL);
1813: #endif /* AMAYA_WWW_CACHE */
1.103 cvs 1814: #if 0 /* experimental code */
1.245 kahan 1815: #endif
1.116 cvs 1816: HTProtocol_add ("ftp", "tcp", FTP_PORT, NO, HTLoadFTP, NULL);
1.245 kahan 1817:
1.116 cvs 1818:
1819: /* initialize pipelining */
1.223 cvs 1820: strptr = TtaGetEnvString ("ENABLE_PIPELINING");
1.265 cvs 1821: if (strptr && *strptr && strcasecmp (strptr, "yes"))
1.116 cvs 1822: HTTP_setConnectionMode (HTTP_11_NO_PIPELINING);
1.4 cvs 1823: }
1824:
1.15 cvs 1825: /*----------------------------------------------------------------------
1.17 cvs 1826: AHTNetInit
1827: Reegisters "before" and "after" request filters.
1.15 cvs 1828: ----------------------------------------------------------------------*/
1.4 cvs 1829: static void AHTNetInit (void)
1830: {
1831:
1832: /* Register BEFORE filters
1.74 cvs 1833: ** The BEFORE filters handle proxies, caches, rule files etc.
1834: ** The filters are called in the order by which the are registered
1835: ** Not done automaticly - may be done by application!
1836: */
1.4 cvs 1837:
1.116 cvs 1838: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, HT_FILTER_LATE);
1839: HTNet_addBefore (HTProxyFilter, NULL, NULL, HT_FILTER_LATE);
1.85 cvs 1840: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1841:
1842: /* register AFTER filters
1.74 cvs 1843: ** The AFTER filters handle error messages, logging, redirection,
1844: ** authentication etc.
1845: ** The filters are called in the order by which the are registered
1846: ** Not done automaticly - may be done by application!
1847: */
1.4 cvs 1848:
1.223 cvs 1849: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1850: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_REAUTH, HT_FILTER_MIDDLE);
1851: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, HT_FILTER_MIDDLE);
1852: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_FOUND, HT_FILTER_MIDDLE);
1853: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_SEE_OTHER, HT_FILTER_MIDDLE);
1854: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, HT_FILTER_MIDDLE);
1855: HTNet_addAfter (HTAuthInfoFilter, "http://*", NULL, HT_ALL, HT_FILTER_MIDDLE);
1856: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, HT_FILTER_MIDDLE);
1.151 cvs 1857: #ifdef AMAYA_LOST_UPDATE
1.223 cvs 1858: HTNet_addAfter (precondition_handler, NULL, NULL, HT_PRECONDITION_FAILED, HT_FILTER_MIDDLE);
1.151 cvs 1859: #endif /* AMAYA_LOST_UPDATE */
1.111 cvs 1860: #ifndef _WINDOWS
1.223 cvs 1861: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.111 cvs 1862: #endif /* !_WINDOWS */
1.116 cvs 1863: /**** for later ?? ****/
1864: /* HTNet_addAfter(HTInfoFilter, NULL, NULL, HT_ALL, HT_FILTER_LATE); */
1.245 kahan 1865: /* @@ JK: Filters for doing ftp authentication */
1866: HTNet_addAfter (HTAuthFilter, "ftp://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1867: HTNet_addAfter (HTAuthFilter, "ftp://*", NULL, HT_REAUTH, HT_FILTER_MIDDLE);
1.51 cvs 1868: /* handles all errors */
1.116 cvs 1869: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1870: }
1871:
1.15 cvs 1872: /*----------------------------------------------------------------------
1.17 cvs 1873: AHTAlertInit
1874: Register alert messages and their callbacks.
1.15 cvs 1875: ----------------------------------------------------------------------*/
1876: static void AHTAlertInit (void)
1877: {
1878: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.120 cvs 1879: #ifdef __WINDOWS
1.70 cvs 1880: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1.116 cvs 1881: #endif /* _WINDOWS */
1.15 cvs 1882: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1883: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1884: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1885: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1886: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1.116 cvs 1887: }
1888:
1.118 cvs 1889: #ifdef AMAYA_WWW_CACHE
1890: /*----------------------------------------------------------------------
1.128 cvs 1891: RecCleanCache
1.118 cvs 1892: Clears an existing cache directory
1893: ----------------------------------------------------------------------*/
1.265 cvs 1894: static void RecCleanCache (char *dirname)
1895: {
1.128 cvs 1896: #ifdef _WINDOWS
1.223 cvs 1897: HANDLE hFindFile;
1898: ThotBool status;
1.128 cvs 1899: WIN32_FIND_DATA ffd;
1.290 vatton 1900: char t_dir [MAX_LENGTH];
1901: char *ptr;
1.128 cvs 1902:
1.130 cvs 1903: /* create a t_dir name to start searching for files */
1.265 cvs 1904: if ((strlen (dirname) + 10) > MAX_LENGTH)
1.128 cvs 1905: /* ERROR: directory name is too big */
1906: return;
1907:
1.265 cvs 1908: strcpy (t_dir, dirname);
1.130 cvs 1909: /* save the end of the dirname. We'll use it to make
1910: a complete pathname when erasing files */
1.265 cvs 1911: ptr = &t_dir[strlen (t_dir)];
1912: strcat (t_dir, "*");
1.128 cvs 1913:
1.130 cvs 1914: hFindFile = FindFirstFile (t_dir, &ffd);
1.128 cvs 1915:
1916: if (hFindFile == INVALID_HANDLE_VALUE)
1917: /* nothing to erase? */
1918: return;
1919:
1920: status = TRUE;
1.130 cvs 1921: while (status)
1922: {
1923: if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1.133 cvs 1924: {
1925: /* it's a directory, erase it recursively */
1.265 cvs 1926: if (strcmp (ffd.cFileName, "..") && strcmp (ffd.cFileName, "."))
1.133 cvs 1927: {
1.265 cvs 1928: strcpy (ptr, ffd.cFileName);
1.272 cvs 1929: strcat (ptr, DIR_STR);
1.133 cvs 1930: RecCleanCache (t_dir);
1.274 cvs 1931: rmdir (t_dir);
1.133 cvs 1932: }
1933: }
1934: else
1.130 cvs 1935: {
1.133 cvs 1936: /* it's a file, erase it */
1.265 cvs 1937: strcpy (ptr, ffd.cFileName);
1.133 cvs 1938: TtaFileUnlink (t_dir);
1.130 cvs 1939: }
1940: status = FindNextFile (hFindFile, &ffd);
1941: }
1.128 cvs 1942: FindClose (hFindFile);
1943:
1944: #else /* _WINDOWS */
1.118 cvs 1945: DIR *dp;
1946: struct stat st;
1947: #ifdef HAVE_DIRENT_H
1948: struct dirent *d;
1949: #else
1950: struct direct *d;
1951: #endif /* HAVE_DIRENT_H */
1.128 cvs 1952: char filename[BUFSIZ+1];
1.118 cvs 1953:
1954: if ((dp = opendir (dirname)) == NULL)
1955: {
1956: /* @@@ we couldn't open the directory ... we need some msg */
1957: perror (dirname);
1.176 cvs 1958: return;
1.118 cvs 1959: }
1960:
1961: while ((d = readdir (dp)) != NULL)
1962: {
1963: /* skip the UNIX . and .. links */
1964: if (!strcmp (d->d_name, "..")
1965: || !strcmp (d->d_name, "."))
1966: continue;
1967:
1.188 cvs 1968: sprintf (filename, "%s%c%s", dirname, DIR_SEP, d->d_name);
1.118 cvs 1969: if (lstat (filename, &st) < 0 )
1970: {
1971: /* @@2 need some error message */
1972: perror (filename);
1973: continue;
1974: }
1975:
1976: switch (st.st_mode & S_IFMT)
1977: {
1978: case S_IFDIR:
1979: /* if we find a directory, we erase it, recursively */
1.128 cvs 1980: strcat (filename, DIR_STR);
1981: RecCleanCache (filename);
1982: rmdir (filename);
1.118 cvs 1983: break;
1984: case S_IFLNK:
1985: /* skip any links we find */
1986: continue;
1987: break;
1988: default:
1989: /* erase the filename */
1990: TtaFileUnlink (filename);
1991: break;
1992: }
1993: }
1994: closedir (dp);
1.265 cvs 1995: #endif /* _WINDOWS */
1.118 cvs 1996: }
1997: #endif /* AMAYA_WWW_CACHE */
1998:
1.116 cvs 1999: /*----------------------------------------------------------------------
1.265 cvs 2000: libwww_CleanCache
2001: frontend to the recursive cache cleaning function
2002: ----------------------------------------------------------------------*/
2003: void libwww_CleanCache (void)
2004: {
2005: #ifdef AMAYA_WWW_CACHE
2006: char * real_dir;
2007: char* cache_dir;
2008: char* tmp;
2009: int cache_size;
2010: int cache_expire;
2011: int cache_disconnect;
2012: ThotBool error;
2013: char * ptr;
2014:
2015: if (!HTCacheMode_enabled ())
2016: /* don't do anything if we're not using a cache */
2017: return;
2018: /* temporarily close down the cache, purge it, then restart */
2019: tmp = HTCacheMode_getRoot ();
2020: /* don't do anything if we don't have a valid cache dir */
2021: if (!tmp || *tmp == EOS)
2022: return;
2023: cache_dir = TtaStrdup (tmp);
2024: HT_FREE (tmp);
2025: cache_size = HTCacheMode_maxSize ();
2026: cache_expire = HTCacheMode_expires ();
2027: cache_disconnect = HTCacheMode_disconnected ();
2028:
2029: /* get something we can work on :) */
2030: tmp = HTWWWToLocal (cache_dir, "file:", NULL);
2031: real_dir = TtaGetMemory (strlen (tmp) + 20);
1.273 cvs 2032: strcpy (real_dir, tmp);
1.265 cvs 2033: HT_FREE (tmp);
2034:
2035: /* safeguard... abort the operation if cache_dir doesn't end with
2036: CACHE_DIR_NAME */
2037: error = TRUE;
2038: ptr = strstr (real_dir, CACHE_DIR_NAME);
2039: if (ptr && *ptr && !strcasecmp (ptr, CACHE_DIR_NAME))
2040: error = FALSE;
2041: if (error)
2042: return;
2043:
2044: /* remove the concurrent cache lock */
2045: #ifdef DEBUG_LIBWWW
2046: fprintf (stderr, "Clearing the cache lock\n");
2047: #endif /* DEBUG_LIBWWW */
2048: clear_cachelock ();
2049: HTCacheTerminate ();
2050: HTCacheMode_setEnabled (FALSE);
2051:
2052: RecCleanCache (real_dir);
2053:
2054: HTCacheMode_setExpires (cache_expire);
2055: HTCacheMode_setDisconnected (cache_disconnect);
2056: HTCacheInit (cache_dir, cache_size);
2057: /* set a new concurrent cache lock */
2058: strcat (real_dir, ".lock");
2059: if (set_cachelock (real_dir) == -1)
2060: /* couldn't open the .lock file, so, we close the cache to
2061: be in the safe side */
2062: {
2063: #ifdef DEBUG_LIBWWW
2064: fprintf (stderr, "couldnt set the cache lock\n");
2065: #endif /* DEBUG_LIBWWW */
2066: HTCacheTerminate ();
2067: HTCacheMode_setEnabled (FALSE);
2068: }
2069: #ifdef DEBUG_LIBWWW
2070: fprintf (stderr, "set a cache lock\n");
2071: #endif /* DEBUG_LIBWWW */
2072: TtaFreeMemory (real_dir);
2073: TtaFreeMemory (cache_dir);
2074: #endif /* AMAYA_WWW_CACHE */
2075: }
2076:
2077: /*----------------------------------------------------------------------
1.116 cvs 2078: CacheInit
2079: Reads the cache settings from the thot.ini file.
2080: ----------------------------------------------------------------------*/
2081: static void CacheInit (void)
2082: {
2083: #ifndef AMAYA_WWW_CACHE
2084: HTCacheMode_setEnabled (NO);
2085:
2086: #else /* AMAYA_WWW_CACHE */
1.265 cvs 2087: char *strptr;
2088: char *real_dir = NULL;
2089: char *cache_lockfile;
2090: char *cache_dir = NULL;
1.223 cvs 2091: int cache_size;
2092: int cache_entry_size;
2093: ThotBool cache_enabled;
2094: ThotBool cache_locked;
2095: ThotBool tmp_bool;
1.130 cvs 2096:
1.185 cvs 2097: int i;
2098:
1.116 cvs 2099: /* activate cache? */
1.203 cvs 2100: strptr = TtaGetEnvString ("ENABLE_CACHE");
1.265 cvs 2101: if (strptr && *strptr && strcasecmp (strptr, "yes"))
1.130 cvs 2102: cache_enabled = NO;
1.116 cvs 2103: else
1.130 cvs 2104: cache_enabled = YES;
1.116 cvs 2105:
1.151 cvs 2106: /* cache protected documents? */
1.203 cvs 2107: strptr = TtaGetEnvString ("CACHE_PROTECTED_DOCS");
1.265 cvs 2108: if (strptr && *strptr && !strcasecmp (strptr, "yes"))
1.151 cvs 2109: HTCacheMode_setProtected (YES);
2110: else
2111: HTCacheMode_setProtected (NO);
2112:
1.116 cvs 2113: /* get the cache dir (or use a default one) */
1.203 cvs 2114: strptr = TtaGetEnvString ("CACHE_DIR");
1.116 cvs 2115: if (strptr && *strptr)
2116: {
1.265 cvs 2117: real_dir = TtaGetMemory (strlen (strptr) + strlen (CACHE_DIR_NAME) + 20);
2118: strcpy (real_dir, strptr);
1.272 cvs 2119: if (*(real_dir + strlen (real_dir) - 1) != DIR_SEP)
2120: strcat (real_dir, DIR_STR);
1.116 cvs 2121: }
2122: else
2123: {
1.265 cvs 2124: real_dir = TtaGetMemory (strlen (TempFileDirectory) + strlen (CACHE_DIR_NAME) + 20);
1.272 cvs 2125: sprintf (real_dir, "%s%s", TempFileDirectory, CACHE_DIR_NAME);
1.185 cvs 2126: }
2127:
2128: /* compatiblity with previous versions of Amaya: does real_dir
2129: include CACHE_DIR_NAME? If not, add it */
1.265 cvs 2130: strptr = strstr (real_dir, CACHE_DIR_NAME);
1.185 cvs 2131: if (!strptr)
1.265 cvs 2132: strcat (real_dir, CACHE_DIR_NAME);
1.185 cvs 2133: else
2134: {
1.265 cvs 2135: i = strlen (CACHE_DIR_NAME);
1.272 cvs 2136: if (strptr[i] != EOS)
1.265 cvs 2137: strcat (real_dir, CACHE_DIR_NAME);
1.116 cvs 2138: }
1.185 cvs 2139:
1.211 cvs 2140: /* convert the local cache dir into a file URL, as expected by
2141: libwww */
1.265 cvs 2142: cache_dir = HTLocalToWWW (real_dir, "file:");
1.116 cvs 2143: /* get the cache size (or use a default one) */
1.203 cvs 2144: strptr = TtaGetEnvString ("CACHE_SIZE");
1.116 cvs 2145: if (strptr && *strptr)
1.288 vatton 2146: cache_size = atoi (strptr);
1.116 cvs 2147: else
2148: cache_size = DEFAULT_CACHE_SIZE;
1.176 cvs 2149: /* get the max cached file size (or use a default one) */
1.223 cvs 2150: if (!TtaGetEnvInt ("MAX_CACHE_ENTRY_SIZE", &cache_entry_size))
1.176 cvs 2151: cache_entry_size = DEFAULT_MAX_CACHE_ENTRY_SIZE;
1.130 cvs 2152: if (cache_enabled)
1.116 cvs 2153: {
2154: /* how to remove the lock? force remove it? */
1.265 cvs 2155: cache_lockfile = TtaGetMemory (strlen (real_dir) + 20);
2156: strcpy (cache_lockfile, real_dir);
2157: strcat (cache_lockfile, ".lock");
1.130 cvs 2158: cache_locked = FALSE;
1.223 cvs 2159: if (TtaFileExist (cache_lockfile) && !(cache_locked = test_cachelock (cache_lockfile)))
1.116 cvs 2160: {
1.130 cvs 2161: #ifdef DEBUG_LIBWWW
2162: fprintf (stderr, "found a stale cache, removing it\n");
2163: #endif /* DEBUG_LIBWWW */
2164: /* remove the lock and clean the cache (the clean cache
2165: will remove all, making the following call unnecessary */
2166: /* little trick to win some memory */
1.265 cvs 2167: strptr = strrchr (cache_lockfile, '.');
1.272 cvs 2168: *strptr = EOS;
1.130 cvs 2169: RecCleanCache (cache_lockfile);
1.265 cvs 2170: *strptr = '.';
1.116 cvs 2171: }
2172:
1.130 cvs 2173: if (!cache_locked)
2174: {
2175: /* initialize the cache if there's no other amaya
2176: instance running */
1.177 cvs 2177: HTCacheMode_setMaxCacheEntrySize (cache_entry_size);
1.223 cvs 2178: if (TtaGetEnvBoolean ("CACHE_EXPIRE_IGNORE", &tmp_bool) && tmp_bool)
1.177 cvs 2179: HTCacheMode_setExpires (HT_EXPIRES_IGNORE);
2180: else
2181: HTCacheMode_setExpires (HT_EXPIRES_AUTO);
1.223 cvs 2182: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &tmp_bool);
1.177 cvs 2183: if (tmp_bool)
2184: HTCacheMode_setDisconnected (HT_DISCONNECT_NORMAL);
2185: else
2186: HTCacheMode_setDisconnected (HT_DISCONNECT_NONE);
1.211 cvs 2187: if (HTCacheInit (cache_dir, cache_size))
1.130 cvs 2188: {
1.188 cvs 2189: if (set_cachelock (cache_lockfile) == -1)
2190: /* couldn't open the .lock file, so, we close the cache to
2191: be in the safe side */
2192: {
2193: HTCacheTerminate ();
2194: HTCacheMode_setEnabled (FALSE);
2195: #ifdef DEBUG_LIBWWW
2196: fprintf (stderr, "couldnt set the cache lock\n");
2197: #endif /* DEBUG_LIBWWW */
2198: }
1.130 cvs 2199: #ifdef DEBUG_LIBWWW
1.188 cvs 2200: else
2201: fprintf (stderr, "created the cache lock\n");
1.130 cvs 2202: #endif /* DEBUG_LIBWWW */
2203: }
1.188 cvs 2204: else
2205: {
1.130 cvs 2206: #ifdef DEBUG_LIBWWW
1.188 cvs 2207: fprintf (stderr, "couldn't create the cache\n");
2208: #endif /* DEBUG_LIBWWW */
2209: HTCacheTerminate ();
2210: }
1.130 cvs 2211: }
2212: else
2213: {
1.185 cvs 2214: HTCacheMode_setEnabled (FALSE);
1.130 cvs 2215: #ifdef DEBUG_LIBWWW
2216: fprintf (stderr, "lock detected, starting libwww without a cache/n");
2217: #endif /* DEBUG_LIBWWW */
2218: }
2219: TtaFreeMemory (cache_lockfile);
1.116 cvs 2220: }
2221: else
1.185 cvs 2222: {
2223: HTCacheMode_setEnabled (FALSE);
2224: }
1.116 cvs 2225: if (cache_dir)
1.211 cvs 2226: HT_FREE (cache_dir);
1.189 cvs 2227: if (real_dir)
2228: TtaFreeMemory (real_dir);
1.185 cvs 2229: /* warn the user if the cache isn't active */
2230: if (cache_enabled && !HTCacheMode_enabled ())
1.291 kahan 2231: {
2232: ThotBool warn_user;
2233:
2234: TtaGetEnvBoolean ("WARN_NO_CACHE", &warn_user);
2235: if (warn_user)
2236: InitInfo ("Cache", TtaGetMessage (AMAYA, AM_CANT_CREATE_CACHE));
2237: }
1.116 cvs 2238: #endif /* AMAYA_WWW_CACHE */
1.15 cvs 2239: }
2240:
2241: /*----------------------------------------------------------------------
1.97 cvs 2242: ProxyInit
2243: Reads any proxies settings which may be declared as environmental
2244: variables or in the thot.ini file. The former overrides the latter.
2245: ----------------------------------------------------------------------*/
2246: static void ProxyInit (void)
2247: {
1.265 cvs 2248: char *strptr;
2249: char *name;
2250: char *tmp = NULL;
2251: char *strptrA;
1.223 cvs 2252: ThotBool proxy_is_onlyproxy;
1.97 cvs 2253:
2254: /* get the proxy settings from the thot.ini file */
1.203 cvs 2255: strptr = TtaGetEnvString ("HTTP_PROXY");
1.228 cvs 2256: if (strptr && *strptr)
2257: {
1.265 cvs 2258: tmp = (char *) TtaGetMemory (strlen (strptr) + 1);
2259: strcpy (tmp, strptr);
1.223 cvs 2260:
1.228 cvs 2261: /* does the proxy env string has an "http://" prefix? */
1.265 cvs 2262: if (!strncasecmp (strptr, "http://", 7))
1.223 cvs 2263: HTProxy_add ("http", tmp);
1.228 cvs 2264: else
2265: {
1.265 cvs 2266: strptrA = (char *) TtaGetMemory (strlen (strptr) + 9);
1.228 cvs 2267: strcpy (strptrA, "http://");
2268: strcat (strptrA, tmp);
2269: HTProxy_add ("http", strptrA);
2270: TtaFreeMemory (strptrA);
2271: }
2272: TtaFreeMemory (tmp);
2273: }
1.216 cvs 2274:
1.97 cvs 2275: /* get the no_proxy settings from the thot.ini file */
1.212 cvs 2276: strptr = TtaGetEnvString ("PROXYDOMAIN");
1.228 cvs 2277: if (strptr && *strptr)
2278: {
1.265 cvs 2279: strptrA = (char *) TtaGetMemory (strlen (strptr) + 1);
2280: tmp = strptrA;
2281: strcpy (tmp, strptr);
1.228 cvs 2282: /* as HTNextField changes the ptr we pass as an argument, we'll
1.265 cvs 2283: work with another variable, so that we can free the tmp
1.228 cvs 2284: block later on */
2285: while ((name = HTNextField (&tmp)) != NULL)
2286: {
2287: char* portstr = strchr (name, ':');
2288: unsigned port=0;
1.265 cvs 2289: if (portstr)
2290: {
2291: *portstr++ = EOS;
2292: if (*portstr)
2293: port = (unsigned) atoi (portstr);
2294: }
1.228 cvs 2295: /* Register it for all access methods */
2296: HTNoProxy_add (name, NULL, port);
2297: }
2298: TtaFreeMemory (strptrA);
2299: }
2300:
1.212 cvs 2301: /* how should we interpret the proxy domain list? */
1.291 kahan 2302:
1.212 cvs 2303: TtaGetEnvBoolean ("PROXYDOMAIN_IS_ONLYPROXY", &proxy_is_onlyproxy);
2304: HTProxy_setNoProxyIsOnlyProxy (proxy_is_onlyproxy);
2305:
2306: /* use libwww's routine to get all proxy settings from the environment */
1.97 cvs 2307: HTProxy_getEnvVar ();
2308: }
2309:
1.207 cvs 2310: /*----------------------------------------------------------------------
1.17 cvs 2311: AHTProfile_newAmaya
2312: creates the Amaya client profile for libwww.
1.15 cvs 2313: ----------------------------------------------------------------------*/
1.265 cvs 2314: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1.4 cvs 2315: {
1.265 cvs 2316: char *strptr;
1.158 cvs 2317:
1.4 cvs 2318: /* If the Library is not already initialized then do it */
1.257 kahan 2319: if (!HTLib_isInitialized ())
1.273 cvs 2320: HTLibInit (AppName, AppVersion);
1.4 cvs 2321:
2322: if (!converters)
2323: converters = HTList_new ();
1.27 cvs 2324: if (!acceptTypes)
2325: acceptTypes = HTList_new ();
1.193 cvs 2326: if (!acceptLanguages)
2327: acceptLanguages = HTList_new ();
1.151 cvs 2328: if (!transfer_encodings)
2329: transfer_encodings = HTList_new ();
2330: if (!content_encodings)
2331: content_encodings = HTList_new ();
1.4 cvs 2332:
1.169 cvs 2333: /* inhibits libwww's automatic file_suffix_binding */
2334: HTFile_doFileSuffixBinding (FALSE);
2335:
1.4 cvs 2336: /* Register the default set of transport protocols */
2337: HTTransportInit ();
2338:
2339: /* Register the default set of application protocol modules */
2340: AHTProtocolInit ();
2341:
1.116 cvs 2342: /* Register the default set of messages and dialog functions */
2343: AHTAlertInit ();
2344: HTAlert_setInteractive (YES);
2345:
2346: #ifdef AMAYA_WWW_CACHE
2347: /* Enable the persistent cache */
2348: CacheInit ();
2349: #else
2350: HTCacheMode_setEnabled (NO);
2351: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 2352:
2353: /* Register the default set of BEFORE and AFTER filters */
2354: AHTNetInit ();
2355:
2356: /* Set up the default set of Authentication schemes */
1.223 cvs 2357: HTAA_newModule ("basic", HTBasic_generate, HTBasic_parse, NULL, HTBasic_delete);
1.158 cvs 2358: /* activate MDA by defaul */
1.203 cvs 2359: strptr = TtaGetEnvString ("ENABLE_MDA");
1.265 cvs 2360: if (!strptr || (strptr && *strptr && strcasecmp (strptr, "no")))
1.223 cvs 2361: HTAA_newModule ("digest", HTDigest_generate, HTDigest_parse, HTDigest_updateInfo, HTDigest_delete);
1.257 kahan 2362:
1.97 cvs 2363: /* Get any proxy settings */
2364: ProxyInit ();
1.4 cvs 2365:
1.207 cvs 2366: /* Set up the domains where we accept a redirect on PUT */
2367: SafePut_init ();
2368:
1.4 cvs 2369: /* Register the default set of converters */
2370: AHTConverterInit (converters);
1.151 cvs 2371: HTFormat_setConversion (converters);
1.27 cvs 2372: AHTAcceptTypesInit (acceptTypes);
1.193 cvs 2373: AHTAcceptLanguagesInit (acceptLanguages);
1.4 cvs 2374:
2375: /* Register the default set of transfer encoders and decoders */
1.151 cvs 2376: HTTransferEncoderInit (transfer_encodings);
1.190 cvs 2377: HTFormat_setTransferCoding (transfer_encodings);
2378: /* Register the default set of content encoders and decoders */
1.296 kahan 2379: /* commented because we don't know yet how to handle deflate in the content enconding */
2380: /* HTContentEncoderInit (content_encodings); */
2381: HTCoding_add (content_encodings, "gzip", NULL, HTIdentityCoding, 1.0);
1.190 cvs 2382: /* ignore all other encoding formats (or libwww will send them
1.181 cvs 2383: thru a blackhole otherwise */
2384: HTCoding_add (content_encodings, "*", NULL, HTIdentityCoding, 1.0);
1.151 cvs 2385: if (HTList_count(content_encodings) > 0)
2386: HTFormat_setContentCoding(content_encodings);
2387: else
2388: {
2389: HTList_delete(content_encodings);
2390: content_encodings = NULL;
2391: }
1.4 cvs 2392:
2393: /* Register the default set of MIME header parsers */
1.74 cvs 2394: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 2395:
2396: /* Register the default set of Icons for directory listings */
1.27 cvs 2397: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 2398: }
2399:
1.5 cvs 2400: /*----------------------------------------------------------------------
1.17 cvs 2401: AHTProfile_delete
2402: deletes the Amaya client profile.
1.5 cvs 2403: ----------------------------------------------------------------------*/
1.4 cvs 2404: static void AHTProfile_delete (void)
2405: {
1.22 cvs 2406: /* free the Amaya global context */
1.151 cvs 2407: /* Clean up all the registred converters */
2408: HTFormat_deleteAll ();
2409: if (acceptTypes)
1.74 cvs 2410: HTConversion_deleteAll (acceptTypes);
1.193 cvs 2411: if (acceptLanguages)
2412: HTLanguage_deleteAll (acceptLanguages);
1.151 cvs 2413:
1.209 cvs 2414: StopAllRequests (1);
1.74 cvs 2415: HTList_delete (Amaya->docid_status);
2416: HTList_delete (Amaya->reqlist);
2417: TtaFreeMemory (Amaya);
1.61 cvs 2418:
1.120 cvs 2419: #ifdef _WINDOWS
1.209 cvs 2420: if (HTLib_isInitialized ())
1.151 cvs 2421: HTEventTerminate ();
1.198 cvs 2422: #endif /* _WINDOWS; */
1.74 cvs 2423:
1.151 cvs 2424: /* Clean up the persistent cache (if any) */
1.116 cvs 2425: #ifdef AMAYA_WWW_CACHE
1.151 cvs 2426: clear_cachelock ();
2427: HTCacheTerminate ();
1.116 cvs 2428: #endif /* AMAYA_WWW_CACHE */
1.217 cvs 2429:
1.218 cvs 2430: /* call remove functions that are not called automatically by libwww */
2431: HTNetCall_deleteBeforeAll (HTNet_before ());
2432: HTNetCall_deleteAfterAll (HTNet_after ());
2433: HTAA_deleteAllModules ();
2434: HTAlertCall_deleteAll (HTAlert_global () );
2435: HTAlert_setGlobal ((HTList *) NULL);
1.259 cvs 2436: HTTimer_deleteAll ();
1.249 kahan 2437: HTEventList_unregisterAll ();
1.218 cvs 2438: /* these two functions are broken, so we can't call them right now
2439: HTHeader_deleteAll ();
2440: HTTimer_deleteAll ();
2441: */
2442: HTTransport_deleteAll ();
1.217 cvs 2443: /* remove bindings between suffixes, media types*/
2444: HTBind_deleteAll ();
1.151 cvs 2445: /* Terminate libwww */
2446: HTLibTerminate ();
1.4 cvs 2447: }
2448:
1.5 cvs 2449: /*----------------------------------------------------------------------
1.116 cvs 2450: AmayacontextInit
2451: initializes an internal Amaya context for our libwww interface
2452: ----------------------------------------------------------------------*/
1.265 cvs 2453: static void AmayaContextInit ()
1.116 cvs 2454: {
1.140 cvs 2455: AmayaAlive_flag = TRUE;
1.116 cvs 2456: /* Initialization of the global context */
2457: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
2458: Amaya->reqlist = HTList_new ();
2459: Amaya->docid_status = HTList_new ();
2460: Amaya->open_requests = 0;
2461: }
2462:
2463: /*----------------------------------------------------------------------
1.17 cvs 2464: QueryInit
2465: initializes the libwww interface
1.5 cvs 2466: ----------------------------------------------------------------------*/
1.265 cvs 2467: void QueryInit ()
1.4 cvs 2468: {
1.265 cvs 2469: char *strptr;
2470: int tmp_i;
2471: long tmp_l;
1.4 cvs 2472:
1.116 cvs 2473: AmayaContextInit ();
1.4 cvs 2474: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1.140 cvs 2475: CanDoStop_set (TRUE);
1.214 cvs 2476: UserAborted_flag = FALSE;
1.4 cvs 2477:
1.116 cvs 2478: #ifdef _WINDOWS
1.125 cvs 2479: HTEventInit ();
1.116 cvs 2480: #endif /* _WINDOWS */
1.72 cvs 2481:
1.123 cvs 2482: #ifndef _WINDOWS
1.116 cvs 2483: HTEvent_setRegisterCallback ((void *) AHTEvent_register);
2484: HTEvent_setUnregisterCallback ((void *) AHTEvent_unregister);
1.120 cvs 2485: HTTimer_registerSetTimerCallback ((void *) AMAYA_SetTimer);
2486: HTTimer_registerDeleteTimerCallback ((void *) AMAYA_DeleteTimer);
1.116 cvs 2487: #endif /* !_WINDOWS */
1.190 cvs 2488:
1.213 cvs 2489: #ifdef HTDEBUG
1.247 kahan 2490: /* an undocumented option for being able to generate an HTTP protocol
2491: trace. The flag can take values from 1-10, which are interpreted as
2492: different kinds of debug traces. Value 99 means a complete trace.
2493: 0 or other values means No Debug.1 No Debug (default), up to Full debug, respectively. */
1.238 cvs 2494: if (TtaGetEnvInt ("ENABLE_LIBWWW_DEBUG", &tmp_i))
1.247 kahan 2495: {
2496: switch (tmp_i)
2497: {
2498: case 1:
2499: WWW_TraceFlag = SHOW_URI_TRACE;
2500: break;
2501: case 2:
2502: WWW_TraceFlag = SHOW_BIND_TRACE;
2503: break;
2504: case 3:
2505: WWW_TraceFlag = SHOW_THREAD_TRACE;
2506: break;
2507: case 4:
2508: WWW_TraceFlag = SHOW_STREAM_TRACE;
2509: break;
2510: case 5:
2511: WWW_TraceFlag = SHOW_PROTOCOL_TRACE;
2512: break;
2513: case 6:
2514: WWW_TraceFlag = SHOW_MEM_TRACE;
2515: break;
2516: case 7:
2517: WWW_TraceFlag = SHOW_URI_TRACE;
2518: break;
2519: case 8:
2520: WWW_TraceFlag = SHOW_AUTH_TRACE;
2521: break;
2522: case 9:
2523: WWW_TraceFlag = SHOW_ANCHOR_TRACE;
2524: break;
2525: case 10 :
2526: WWW_TraceFlag = SHOW_CORE_TRACE;
2527: break;
1.251 kahan 2528: case 11 :
2529: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_ANCHOR_TRACE | SHOW_AUTH_TRACE | SHOW_URI_TRACE | SHOW_THREAD_TRACE | SHOW_STREAM_TRACE;
2530: break;
1.247 kahan 2531: case 99 :
2532: WWW_TraceFlag = SHOW_ALL_TRACE;
2533: break;
2534: default:
2535: WWW_TraceFlag = 0;
2536: break;
2537: }
1.248 kahan 2538: if (WWW_TraceFlag)
2539: {
2540: /* Trace activation (for debugging) */
1.265 cvs 2541: char *s, *tmp;
1.248 kahan 2542: s = TtaGetEnvString ("APP_TMPDIR");
1.265 cvs 2543: tmp = TtaGetMemory (strlen (s) + sizeof ("/libwww.log") + 1);
2544: strcpy (tmp, s);
2545: strcat (tmp, "/libwww.log");
2546: trace_fp = fopen (tmp, "ab");
1.248 kahan 2547: TtaFreeMemory (tmp);
2548: if (trace_fp)
2549: HTTrace_setCallback(LineTrace);
2550: }
1.247 kahan 2551: }
1.208 cvs 2552: else
2553: WWW_TraceFlag = 0;
1.213 cvs 2554: #endif /* HTDEBUG */
1.208 cvs 2555:
1.74 cvs 2556: #ifdef DEBUG_LIBWWW
1.116 cvs 2557: /* forwards error messages to our own function */
2558: WWW_TraceFlag = THD_TRACE;
1.138 cvs 2559: HTTrace_setCallback(LineTrace);
1.248 kahan 2560:
1.148 cvs 2561: /***
1.138 cvs 2562: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | SHOW_PROTOCOL_TRACE;
2563: ***/
1.152 cvs 2564: #endif
1.247 kahan 2565:
2566: TtaGetEnvBoolean ("ENABLE_FTP", &FTPURL_flag);
1.152 cvs 2567:
1.148 cvs 2568: /* Setting up different network parameters */
1.151 cvs 2569:
1.148 cvs 2570: /* Maximum number of simultaneous open sockets */
1.203 cvs 2571: strptr = TtaGetEnvString ("MAX_SOCKET");
1.151 cvs 2572: if (strptr && *strptr)
1.288 vatton 2573: tmp_i = atoi (strptr);
1.151 cvs 2574: else
2575: tmp_i = DEFAULT_MAX_SOCKET;
2576: HTNet_setMaxSocket (tmp_i);
2577:
1.148 cvs 2578: /* different network services timeouts */
1.151 cvs 2579: /* dns timeout */
1.203 cvs 2580: strptr = TtaGetEnvString ("DNS_TIMEOUT");
1.151 cvs 2581: if (strptr && *strptr)
1.288 vatton 2582: tmp_i = atoi (strptr);
1.151 cvs 2583: else
2584: tmp_i = DEFAULT_DNS_TIMEOUT;
2585: HTDNS_setTimeout (tmp_i);
2586:
2587: /* persistent connections timeout */
1.203 cvs 2588: strptr = TtaGetEnvString ("PERSIST_CX_TIMEOUT");
1.151 cvs 2589: if (strptr && *strptr)
1.288 vatton 2590: tmp_l = atol (strptr);
1.151 cvs 2591: else
2592: tmp_l = DEFAULT_PERSIST_TIMEOUT;
2593: HTHost_setPersistTimeout (tmp_l);
2594:
1.148 cvs 2595: /* default timeout in ms */
1.203 cvs 2596: strptr = TtaGetEnvString ("NET_EVENT_TIMEOUT");
1.151 cvs 2597: if (strptr && *strptr)
1.288 vatton 2598: tmp_i = atoi (strptr);
1.151 cvs 2599: else
2600: tmp_i = DEFAULT_NET_EVENT_TIMEOUT;
2601: HTHost_setEventTimeout (tmp_i);
2602:
1.173 cvs 2603: HTRequest_setMaxRetry (8);
1.4 cvs 2604: #ifdef CATCH_SIG
1.148 cvs 2605: signal (SIGPIPE, SIG_IGN);
1.4 cvs 2606: #endif
1.15 cvs 2607: }
2608:
2609: /*----------------------------------------------------------------------
1.17 cvs 2610: LoopForStop
1.136 cvs 2611: a copy of the Thop event loop so we can handle the stop button in Unix
2612: and preemptive requests under Windows
1.15 cvs 2613: ----------------------------------------------------------------------*/
2614: static int LoopForStop (AHTReqContext * me)
2615: {
1.136 cvs 2616: #ifdef _WINDOWS
2617: MSG msg;
2618: unsigned long libwww_msg;
2619: HWND old_active_window, libwww_window;
2620: int status_req = HT_OK;
2621:
2622: old_active_window = GetActiveWindow ();
2623: libwww_window = HTEventList_getWinHandle (&libwww_msg);
1.137 cvs 2624:
1.149 cvs 2625: while (me->reqStatus != HT_END && me->reqStatus != HT_ERR
1.253 cvs 2626: && me->reqStatus != HT_ABORT && AmayaIsAlive () &&
2627: GetMessage (&msg, NULL, 0, 0))
2628: {
2629: if (msg.message != WM_QUIT)
2630: TtaHandleOneEvent (&msg);
2631: else
2632: break;
2633: }
1.136 cvs 2634: if (!AmayaIsAlive ())
2635: /* Amaya was killed by one of the callback handlers */
2636: exit (0);
2637: #else /* _WINDOWS */
1.277 kahan 2638: ThotEvent ev;
1.17 cvs 2639: int status_req = HT_OK;
1.15 cvs 2640:
2641: /* to test the async calls */
1.17 cvs 2642: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 2643: while (me->reqStatus != HT_ABORT &&
2644: me->reqStatus != HT_END &&
1.69 cvs 2645: me->reqStatus != HT_ERR) {
1.116 cvs 2646: if (!AmayaIsAlive ())
1.69 cvs 2647: /* Amaya was killed by one of the callback handlers */
2648: exit (0);
1.277 kahan 2649:
2650: if (TtaFetchOneAvailableEvent (&ev))
2651: TtaHandleOneEvent (&ev);
1.69 cvs 2652: }
1.136 cvs 2653: #endif /* _WINDOWS */
1.69 cvs 2654: switch (me->reqStatus) {
2655: case HT_ERR:
2656: case HT_ABORT:
1.130 cvs 2657: status_req = NO;
1.15 cvs 2658: break;
2659:
1.69 cvs 2660: case HT_END:
1.130 cvs 2661: status_req = YES;
1.15 cvs 2662: break;
2663:
1.69 cvs 2664: default:
1.15 cvs 2665: break;
1.69 cvs 2666: }
1.15 cvs 2667: return (status_req);
1.4 cvs 2668: }
2669:
1.5 cvs 2670: /*----------------------------------------------------------------------
1.15 cvs 2671: QueryClose
1.21 cvs 2672: closes all existing threads, frees all non-automatically deallocated
2673: memory and then ends libwww.
1.5 cvs 2674: ----------------------------------------------------------------------*/
1.116 cvs 2675: void QueryClose ()
1.4 cvs 2676: {
1.24 cvs 2677:
1.140 cvs 2678: AmayaAlive_flag = FALSE;
1.24 cvs 2679:
1.116 cvs 2680: /* remove all the handlers and callbacks that may output a message to
2681: a non-existent Amaya window */
2682: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
2683: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
2684: #ifndef _WINDOWS
2685: /** need to erase all existing timers too **/
2686: HTTimer_registerSetTimerCallback (NULL);
2687: HTTimer_registerDeleteTimerCallback (NULL);
2688: #endif /* !_WINDOWS */
2689: HTHost_setActivateRequestCallback (NULL);
2690: Thread_deleteAll ();
1.21 cvs 2691:
1.116 cvs 2692: HTProxy_deleteAll ();
2693: HTNoProxy_deleteAll ();
1.207 cvs 2694: SafePut_delete ();
1.116 cvs 2695: HTGateway_deleteAll ();
2696: AHTProfile_delete ();
1.248 kahan 2697:
2698: /* close the trace file (if it exists) */
2699: if (trace_fp)
2700: fclose (trace_fp);
2701:
1.116 cvs 2702: }
2703:
2704: /*----------------------------------------------------------------------
2705: NextNameValue
2706: ---------------------------------------------------------------------*/
1.265 cvs 2707: static char * NextNameValue (char **pstr, char **name, char **value)
1.116 cvs 2708: {
2709: char * p = *pstr;
2710: char * start = NULL;
2711: if (!pstr || !*pstr) return NULL;
2712:
2713: if (!*p) {
2714: *pstr = p;
2715: *name = NULL;
2716: *value = NULL;
2717: return NULL; /* No field */
2718: }
2719:
2720: /* Now search for the next '&' and ';' delimitators */
2721: start = p;
2722: while (*p && *p != '&' && *p != ';') p++;
2723: if (*p)
2724: *p++ = '\0';
2725: *pstr = p;
2726:
2727: /* Search for the name and value */
2728: *name = start;
2729: p = start;
2730:
2731: while(*p && *p != '=')
2732: p++;
2733: if (*p)
2734: *p++ = '\0';
2735: *value = p;
2736:
2737: return start;
2738: }
2739:
2740: /*----------------------------------------------------------------------
2741: PrepareFormdata
2742: ---------------------------------------------------------------------*/
1.265 cvs 2743: static HTAssocList * PrepareFormdata (char *string)
1.116 cvs 2744: {
1.266 cvs 2745: char *tmp_string, *tmp_string_ptr;
2746: char *name;
2747: char *value;
2748: HTAssocList *formdata;
1.116 cvs 2749:
2750: if (!string)
2751: return NULL;
2752:
2753: /* store the ptr in another variable, as the original address will
2754: change
2755: */
1.236 cvs 2756:
1.265 cvs 2757: tmp_string_ptr = TtaGetMemory (strlen (string) + 1);
1.236 cvs 2758: tmp_string = tmp_string_ptr;
1.273 cvs 2759: strcpy (tmp_string_ptr, string);
1.116 cvs 2760: formdata = HTAssocList_new();
2761:
2762: while (*tmp_string)
2763: {
2764: NextNameValue (&tmp_string, &name, &value);
2765: HTAssocList_addObject(formdata,
2766: name, value);
2767: }
2768:
2769: TtaFreeMemory (tmp_string_ptr);
2770: return formdata;
1.4 cvs 2771: }
2772:
1.236 cvs 2773: /*----------------------------------------------------------------------
2774: ---------------------------------------------------------------------*/
1.216 cvs 2775: void AHTRequest_setCustomAcceptHeader (HTRequest *request, char *value)
2776: {
2777: HTRqHd rqhd = HTRequest_rqHd (request);
2778: rqhd = rqhd & (~HT_C_ACCEPT_TYPE);
2779: HTRequest_setRqHd (request, rqhd);
1.221 cvs 2780: HTRequest_addExtraHeader (request, "Accept", value);
1.216 cvs 2781: }
2782:
1.228 cvs 2783: /*----------------------------------------------------------------------
1.318 kahan 2784: GetOutputFileName
2785: Generates a temporary filename (based on a counter) for storing
2786: the information that a server sends back.
2787: ----------------------------------------------------------------------*/
2788: static void GetOutputFileName (char *outputfile, int tempsubdir)
2789: {
2790: sprintf (outputfile, "%s%c%d%c%04dAM", TempFileDirectory, DIR_SEP, tempsubdir, DIR_SEP,
2791: object_counter);
2792: /* update the object_counter (used for the tempfilename) */
2793: object_counter++;
2794: }
2795:
2796: /*----------------------------------------------------------------------
1.99 cvs 2797: InvokeGetObjectWWW_callback
2798: A simple function to invoke a callback function whenever there's an error
2799: in GetObjectWWW
2800: ---------------------------------------------------------------------*/
1.265 cvs 2801: void InvokeGetObjectWWW_callback (int docid, char *urlName,
2802: char *outputfile, TTcbf *terminate_cbf,
2803: void *context_tcbf, int status)
1.99 cvs 2804: {
2805: if (!terminate_cbf)
2806: return;
2807:
1.116 cvs 2808: (*terminate_cbf) (docid, status, urlName, outputfile,
1.99 cvs 2809: NULL, context_tcbf);
2810: }
2811:
2812:
1.5 cvs 2813: /*----------------------------------------------------------------------
1.15 cvs 2814: GetObjectWWW
1.17 cvs 2815: this function requests a resource designated by a URLname into a
2816: temporary filename. The download can come from a simple GET operation,
2817: or can come from POSTING/GETTING a form. In the latter
2818: case, the function receives a query string to send to the server.
2819:
1.5 cvs 2820: 4 file retrieval modes are proposed:
2821: AMAYA_SYNC : blocking mode
2822: AMAYA_ISYNC : incremental, blocking mode
2823: AMAYA_ASYNC : non-blocking mode
2824: AMAYA_IASYNC : incremental, non-blocking mode
2825:
2826: In the incremental mode, each time a package arrives, it will be
2827: stored in the temporary file. In addition, if an
2828: incremental_callback function is defined, this function will be
2829: called and handled a copy of the newly received data package.
2830: Finally, if a terminate_callback function is defined, it will be
2831: invoked when the request terminates. The caller of this function
1.4 cvs 2832: can define two different contexts to be passed to the callback
2833: functions.
2834:
2835: When the function is called with the SYNC mode, the function will
2836: return only when the requested file has been loaded.
2837: The ASYNC mode will immediately return after setting up the
2838: call.
2839:
2840: Notes:
2841: At the end of a succesful request, the urlName string contains the
2842: name of the actually retrieved URL. As a URL can change over the time,
2843: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 2844: caller verify the value of the urlName variable at the end of
1.4 cvs 2845: a request.
2846:
2847: Inputs:
2848: - docid Document identifier for the set of objects being
2849: retrieved.
2850: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
2851: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
2852: - mode The retrieval mode.
2853: - incremental_cbf
2854: - context_icbf
2855: Callback and context for the incremental modes
2856: - terminate_cbf
2857: - context_icbf
2858: Callback and context for a terminate handler
1.17 cvs 2859: -error_html if TRUE, then display any server error message as an
2860: HTML document.
1.88 cvs 2861: - content_type a string
2862:
1.4 cvs 2863: Outputs:
2864: - urlName The URL that was retrieved
2865: - outputfile The name of the temporary file which holds the
2866: retrieved data. (Only in case of success)
1.88 cvs 2867: - if content_type wasn't NULL, it will contain a copy of the parameter
2868: sent in the HTTP answer
1.4 cvs 2869: Returns:
2870: HT_ERROR
2871: HT_OK
1.5 cvs 2872: ----------------------------------------------------------------------*/
1.265 cvs 2873: int GetObjectWWW (int docid, char *urlName, char *formdata,
2874: char *outputfile, int mode, TIcbf *incremental_cbf,
2875: void *context_icbf, TTcbf *terminate_cbf,
2876: void *context_tcbf, ThotBool error_html, char *content_type)
1.4 cvs 2877: {
2878: AHTReqContext *me;
1.301 vatton 2879: char *ref;
2880: char *esc_url;
1.107 cvs 2881: int status, l;
1.114 cvs 2882: int tempsubdir;
1.191 cvs 2883: ThotBool bool_tmp;
1.7 cvs 2884:
1.320 vatton 2885: if (urlName == NULL || outputfile == NULL)
1.116 cvs 2886: {
2887: /* no file to be loaded */
2888: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.69 cvs 2889:
1.116 cvs 2890: if (error_html)
1.69 cvs 2891: /* so we can show the error message */
2892: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2893: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2894: context_tcbf, HT_ERROR);
2895: return HT_ERROR;
2896: }
1.7 cvs 2897:
1.159 cvs 2898: /* if it's a 'docImage', we have already downloaded it */
1.265 cvs 2899: if (!strncmp ("internal:", urlName, 9))
1.159 cvs 2900: {
1.265 cvs 2901: strcpy (outputfile, urlName);
1.159 cvs 2902: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
2903: terminate_cbf, context_tcbf, HT_OK);
2904: return HT_OK;
2905: }
2906:
1.4 cvs 2907: /* do we support this protocol? */
1.116 cvs 2908: if (IsValidProtocol (urlName) == NO)
2909: {
2910: /* return error */
2911: outputfile[0] = EOS; /* file could not be opened */
2912: TtaSetStatus (docid, 1,
2913: TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
2914: urlName);
2915:
2916: if (error_html)
1.69 cvs 2917: /* so we can show the error message */
2918: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2919: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2920: context_tcbf, HT_ERROR);
2921: return HT_ERROR;
2922: }
1.4 cvs 2923:
1.318 kahan 2924: /* we store CSS in subdir named 0; all the other files go to a subdir
1.114 cvs 2925: named after their own docid */
2926: tempsubdir = (mode & AMAYA_LOAD_CSS) ? 0 : docid;
1.116 cvs 2927: /* create a tempfilename */
1.318 kahan 2928: GetOutputFileName (outputfile, tempsubdir);
2929:
1.4 cvs 2930: /* normalize the URL */
1.300 kahan 2931: esc_url = EscapeURL (urlName);
1.206 cvs 2932: if (esc_url)
2933: {
1.265 cvs 2934: ref = AmayaParseUrl (esc_url, "", AMAYA_PARSE_ALL);
1.206 cvs 2935: TtaFreeMemory (esc_url);
2936: }
2937: else
2938: ref = NULL;
2939:
1.4 cvs 2940: /* should we abort the request if we could not normalize the url? */
1.198 cvs 2941: if (ref == NULL || ref[0] == EOS) {
1.69 cvs 2942: /*error */
2943: outputfile[0] = EOS;
2944: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.214 cvs 2945: if (ref)
2946: TtaFreeMemory (ref);
1.69 cvs 2947: if (error_html)
1.116 cvs 2948: /* so we can show the error message */
2949: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 2950: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.116 cvs 2951: context_tcbf, HT_ERROR);
1.69 cvs 2952: return HT_ERROR;
2953: }
1.116 cvs 2954:
1.4 cvs 2955: /* verify if that file name existed */
1.9 cvs 2956: if (TtaFileExist (outputfile))
1.77 cvs 2957: TtaFileUnlink (outputfile);
1.116 cvs 2958:
1.4 cvs 2959: /* Initialize the request structure */
2960: me = AHTReqContext_new (docid);
1.116 cvs 2961: if (me == NULL)
2962: {
2963: outputfile[0] = EOS;
2964: /* need an error message here */
2965: TtaFreeMemory (ref);
2966: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2967: context_tcbf, HT_ERROR);
2968: return HT_ERROR;
2969: }
2970:
1.4 cvs 2971: /* Specific initializations for POST and GET */
1.222 cvs 2972: if (mode & AMAYA_FORM_POST
1.228 cvs 2973: || mode & AMAYA_FILE_POST)
1.116 cvs 2974: {
2975: me->method = METHOD_POST;
2976: HTRequest_setMethod (me->request, METHOD_POST);
2977: }
2978: else
2979: {
1.254 kahan 2980: #ifdef ANNOTATIONS
2981: /* we support the DELETE method for deleting annotations.
2982: the rest of the request is similar to the GET */
2983: if (mode & AMAYA_DELETE)
2984: {
2985: me->method = METHOD_GET;
2986: HTRequest_setMethod (me->request, METHOD_DELETE);
2987: }
2988: else
2989: #endif /* ANNOTATIONS */
2990: me->method = METHOD_GET;
1.295 kahan 2991: #ifdef ANNOTATIONS
2992: /* use the custom sent content_type */
2993: if (content_type && content_type[0] != EOS)
2994: AHTRequest_setCustomAcceptHeader (me->request, content_type);
2995: else
2996: #endif /* ANNOTATIONS */
2997: if (!HasKnownFileSuffix (ref))
1.216 cvs 2998: {
2999: /* try to adjust the Accept header in an netwise economical way */
3000: if (mode & AMAYA_LOAD_IMAGE)
3001: AHTRequest_setCustomAcceptHeader (me->request, IMAGE_ACCEPT_NEGOTIATION);
3002: else if (mode & AMAYA_LOAD_CSS)
3003: AHTRequest_setCustomAcceptHeader (me->request, "*/*;q=0.1,css/*");
1.294 kahan 3004: else
3005: AHTRequest_setCustomAcceptHeader (me->request, GENERAL_ACCEPT_NEGOTIATION);
1.216 cvs 3006: /*
3007: HTRequest_setConversion(me->request, acceptTypes, TRUE);
3008: */
3009: }
1.295 kahan 3010: else
3011: AHTRequest_setCustomAcceptHeader (me->request, GENERAL_ACCEPT_NEGOTIATION);
3012: /* language negotiation */
3013: HTRequest_setLanguage (me->request, acceptLanguages, TRUE);
1.116 cvs 3014: }
1.93 cvs 3015:
1.116 cvs 3016: /* Common initialization for all HTML methods */
1.4 cvs 3017: me->mode = mode;
3018: me->error_html = error_html;
3019: me->incremental_cbf = incremental_cbf;
3020: me->context_icbf = context_icbf;
3021: me->terminate_cbf = terminate_cbf;
3022: me->context_tcbf = context_tcbf;
1.64 cvs 3023:
1.69 cvs 3024: /* for the async. request modes, we need to have our
1.4 cvs 3025: own copy of outputfile and urlname
1.116 cvs 3026: */
1.4 cvs 3027:
1.116 cvs 3028: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
3029: {
1.265 cvs 3030: l = strlen (outputfile);
1.116 cvs 3031: if (l > MAX_LENGTH)
1.265 cvs 3032: me->outputfile = TtaGetMemory (l + 2);
1.116 cvs 3033: else
1.265 cvs 3034: me->outputfile = TtaGetMemory (MAX_LENGTH + 2);
3035: strcpy (me->outputfile, outputfile);
3036: l = strlen (urlName);
1.116 cvs 3037: if (l > MAX_LENGTH)
1.265 cvs 3038: me->urlName = TtaGetMemory (l + 2);
1.116 cvs 3039: else
1.265 cvs 3040: me->urlName = TtaGetMemory (MAX_LENGTH + 2);
3041: strcpy (me->urlName, urlName);
1.116 cvs 3042: #ifdef _WINDOWS
3043: /* force windows ASYNC requests to always be non preemptive */
3044: HTRequest_setPreemptive (me->request, NO);
3045: #endif /*_WINDOWS */
3046: } /* AMAYA_ASYNC mode */
3047: else
3048: #ifdef _WINDOWS
3049: {
1.233 cvs 3050: me->outputfile = outputfile;
3051: me->urlName = urlName;
1.116 cvs 3052: /* force windows SYNC requests to always be non preemptive */
3053: HTRequest_setPreemptive (me->request, YES);
3054: }
3055: #else /* !_WINDOWS */
3056: {
3057: me->outputfile = outputfile;
3058: me->urlName = urlName;
3059: }
3060: /***
1.136 cvs 3061: In order to take into account the stop button,
3062: the requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1.57 cvs 3063: we will loop until the document has been received or a stop signal
3064: generated
1.77 cvs 3065: ****/
1.116 cvs 3066: HTRequest_setPreemptive (me->request, NO);
3067: #endif /* _WINDOWS */
1.61 cvs 3068:
1.151 cvs 3069: /*
3070: ** Make sure that the first request is flushed immediately and not
3071: ** buffered in the output buffer
3072: */
3073: if (mode & AMAYA_FLUSH_REQUEST)
3074: HTRequest_setFlush(me->request, YES);
3075: HTRequest_setFlush(me->request, YES);
3076:
1.61 cvs 3077: /* prepare the URLname that will be displayed in teh status bar */
3078: ChopURL (me->status_urlName, me->urlName);
1.77 cvs 3079: TtaSetStatus (me->docid, 1,
3080: TtaGetMessage (AMAYA, AM_FETCHING),
1.233 cvs 3081: me->status_urlName);
1.4 cvs 3082:
1.265 cvs 3083: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 3084: TtaFreeMemory (ref);
1.177 cvs 3085:
1.223 cvs 3086: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &bool_tmp);
1.177 cvs 3087: if (!bool_tmp && (mode & AMAYA_NOCACHE))
1.116 cvs 3088: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
3089:
3090: /* prepare the query string and format for POST */
3091: if (mode & AMAYA_FORM_POST)
1.114 cvs 3092: {
1.116 cvs 3093: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
3094: HTAtom_for ("application/x-www-form-urlencoded"));
3095: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
3096: HTRequest_setEntityAnchor (me->request, me->anchor);
3097: }
1.114 cvs 3098:
1.127 cvs 3099: /* create the formdata element for libwww */
1.236 cvs 3100: if (formdata && ! (mode & AMAYA_FILE_POST))
3101: me->formdata = PrepareFormdata (formdata);
1.127 cvs 3102:
1.297 kirschpi 3103:
3104: #ifdef DAV
1.302 kirschpi 3105: /* try to add an "If" header (lock information) also for POST
3106: * requests and for GET forms */
1.297 kirschpi 3107: if (HTRequest_method(me->request) == METHOD_POST ||
3108: (HTRequest_method(me->request) == METHOD_GET && me->formdata))
3109: DAVAddIfHeader (me,HTAnchor_address((HTAnchor*)me->anchor));
1.302 kirschpi 3110: #endif /* DAV */
1.297 kirschpi 3111:
3112:
1.116 cvs 3113: /* do the request */
3114: if (mode & AMAYA_FORM_POST)
1.119 cvs 3115: {
1.191 cvs 3116: /* this call doesn't give back a ThotBool */
1.119 cvs 3117: HTParentAnchor * posted = NULL;
3118:
3119: posted = HTPostFormAnchor (me->formdata, (HTAnchor *) me->anchor,
3120: me->request);
3121: status = posted ? YES : NO;
3122: }
1.222 cvs 3123: #ifdef ANNOTATIONS
1.251 kahan 3124: else if (mode & AMAYA_FILE_POST)
1.222 cvs 3125: {
1.228 cvs 3126: unsigned long filesize;
3127: char *fileURL;
3128:
3129: /* @@@ a very ugly patch :)))
3130: I'm copying here some of the functionality I use in the PUT
3131: I need to put the common parts in another module */
1.252 kahan 3132: AM_GetFileSize (formdata, &filesize);
1.228 cvs 3133: me->block_size = filesize;
3134:
1.233 cvs 3135: fileURL = HTParse (formdata, "file:/", PARSE_ALL);
1.228 cvs 3136: me->source = HTAnchor_findAddress (fileURL);
3137: HT_FREE (fileURL);
1.222 cvs 3138:
1.228 cvs 3139: /* hardcoded ... */
3140: AHTRequest_setCustomAcceptHeader (me->request, "application/xml");
1.222 cvs 3141: HTAnchor_setFormat (HTAnchor_parent (me->source),
3142: HTAtom_for ("application/xml"));
1.228 cvs 3143: HTAnchor_setFormat (me->anchor,
3144: HTAtom_for ("application/xml"));
3145: HTAnchor_setLength ((HTParentAnchor *) me->source, me->block_size);
3146: /* @@ here I need to actually read the file and put it in document,
3147: then, when I kill the request, I need to kill it */
3148: {
3149: FILE *fp;
3150: int i;
3151: char c;
3152:
1.255 swick 3153: me->document = TtaGetMemory (me->block_size + 1);
1.233 cvs 3154: fp = fopen (formdata, "r");
1.244 kahan 3155: i = 0;
1.228 cvs 3156: c = getc (fp);
3157: while (!feof (fp))
3158: {
3159: me->document[i++] = c;
3160: c = getc (fp);
3161: }
3162: me->document[i] = '\0';
3163: fclose (fp);
3164: }
3165: HTAnchor_setDocument ( (HTParentAnchor *) me->source,
3166: (void * ) me->document);
3167: HTRequest_setEntityAnchor (me->request, HTAnchor_parent (me->source));
3168:
3169: status = HTPostAnchor (HTAnchor_parent (me->source),
1.222 cvs 3170: (HTAnchor *) me->anchor,
3171: me->request);
3172: }
3173: #endif /* ANNOTATIONS */
1.127 cvs 3174: else if (formdata)
3175: status = HTGetFormAnchor(me->formdata, (HTAnchor *) me->anchor,
3176: me->request);
1.116 cvs 3177: else
1.77 cvs 3178: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 3179:
1.123 cvs 3180: /* @@@ may need some special windows error msg here */
1.116 cvs 3181: /* control the errors */
1.4 cvs 3182:
1.130 cvs 3183: if (status == NO)
1.116 cvs 3184: /* the request invocation failed */
3185: {
3186: /* show an error message on the status bar */
3187: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
3188: TtaSetStatus (docid, 1,
3189: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
3190: urlName);
3191: if (me->reqStatus == HT_NEW)
3192: /* manually invoke the last processing that usually gets done
3193: in a succesful request */
3194: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
3195: terminate_cbf, context_tcbf, HT_ERROR);
3196: /* terminate_handler wasn't called */
1.136 cvs 3197: AHTReqContext_delete (me);
1.116 cvs 3198: }
3199: else
1.136 cvs 3200: /* end treatment for SYNC requests */
1.120 cvs 3201: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
3202: {
1.136 cvs 3203: /* wait here untilt the asynchronous request finishes */
1.130 cvs 3204: status = LoopForStop (me);
1.136 cvs 3205: /* if status returns HT_ERROR, should we invoke the callback? */
1.120 cvs 3206: if (!HTRequest_kill (me->request))
3207: AHTReqContext_delete (me);
3208: }
1.130 cvs 3209:
1.136 cvs 3210: /* an interface problem!!! */
3211: return (status == YES ? 0 : -1);
1.4 cvs 3212: }
3213:
1.5 cvs 3214: /*----------------------------------------------------------------------
1.17 cvs 3215: PutObjectWWW
3216: frontend for uploading a resource to a URL. This function downloads
3217: a file to be uploaded into memory, it then calls UploadMemWWW to
3218: finish the job.
3219:
1.5 cvs 3220: 2 upload modes are proposed:
3221: AMAYA_SYNC : blocking mode
3222: AMAYA_ASYNC : non-blocking mode
3223:
1.4 cvs 3224: When the function is called with the SYNC mode, the function will
3225: return only when the file has been uploaded.
3226: The ASYNC mode will immediately return after setting up the
3227: call. Furthermore, at the end of an upload, the ASYNC mode will
3228: call back terminate_cbf, handling it the context defined in
3229: context_tcbf.
3230:
3231: Notes:
3232: At the end of a succesful request, the urlName string contains the
3233: name of the actually uploaded URL. As a URL can change over the time,
3234: (e.g., be redirected elsewhere), it is advised that the function
3235: caller verifies the value of the urlName variable at the end of
3236: a request.
3237:
3238: Inputs:
3239: - docid Document identifier for the set of objects being
3240: retrieved.
3241: - fileName A pointer to the local file to upload
3242: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
3243: - mode The retrieval mode.
3244: - terminate_cbf
3245: - context_icbf
3246: Callback and context for a terminate handler
3247:
3248: Outputs:
3249: - urlName The URL that was uploaded
3250:
3251: Returns:
3252: HT_ERROR
3253: HT_OK
1.5 cvs 3254: ----------------------------------------------------------------------*/
1.276 kahan 3255: int PutObjectWWW (int docid, char *fileName, char *urlName,
1.318 kahan 3256: char *contentType, char *outputfile, int mode,
1.265 cvs 3257: TTcbf *terminate_cbf, void *context_tcbf)
1.4 cvs 3258: {
1.116 cvs 3259: AHTReqContext *me;
1.250 cvs 3260: CHARSET charset;
1.4 cvs 3261: int status;
1.321 ! vatton 3262: unsigned long file_size = 0;
1.116 cvs 3263: char *fileURL;
1.168 cvs 3264: char *etag = NULL;
1.169 cvs 3265: HTParentAnchor *dest_anc_parent;
1.265 cvs 3266: char *tmp;
3267: char *esc_url;
1.168 cvs 3268: int UsePreconditions;
1.191 cvs 3269: ThotBool lost_update_check = TRUE;
1.235 cvs 3270: char url_name[MAX_LENGTH];
1.285 kahan 3271: char *resource_name;
1.265 cvs 3272: char *tmp2;
1.239 cvs 3273: #ifdef _WINDOWS
3274: char file_name[MAX_LENGTH];
3275: #endif /* _WINDOWS */
1.172 cvs 3276:
1.318 kahan 3277: if (mode & AMAYA_SIMPLE_PUT)
3278: {
3279: lost_update_check = FALSE;
3280: UsePreconditions = FALSE;
3281: if (!outputfile)
3282: return HT_ERROR;
3283: }
3284: else
3285: {
3286: /* should we protect the PUT against lost updates? */
3287: tmp = TtaGetEnvString ("ENABLE_LOST_UPDATE_CHECK");
3288: if (tmp && *tmp && strcasecmp (tmp, "yes"))
3289: lost_update_check = FALSE;
1.168 cvs 3290:
1.318 kahan 3291: UsePreconditions = mode & AMAYA_USE_PRECONDITIONS;
3292: }
1.4 cvs 3293:
1.33 cvs 3294: AmayaLastHTTPErrorMsg [0] = EOS;
1.256 kahan 3295: AmayaLastHTTPErrorMsgR [0] = EOS;
3296:
1.33 cvs 3297:
1.116 cvs 3298: if (urlName == NULL || docid == 0 || fileName == NULL
3299: || !TtaFileExist (fileName))
1.4 cvs 3300: /* no file to be uploaded */
3301: return HT_ERROR;
3302:
3303: /* do we support this protocol? */
1.7 cvs 3304: if (IsValidProtocol (urlName) == NO)
3305: {
3306: /* return error */
1.198 cvs 3307: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL), urlName);
1.7 cvs 3308: return HT_ERROR;
3309: }
1.116 cvs 3310:
1.228 cvs 3311: /* get the size of the file */
1.252 kahan 3312: if (!AM_GetFileSize (fileName, &file_size) || file_size == 0L)
1.7 cvs 3313: {
3314: /* file was empty */
3315: /*errmsg here */
3316: return (HT_ERROR);
3317: }
1.116 cvs 3318:
3319: /* prepare the request context */
1.4 cvs 3320: if (THD_TRACE)
1.228 cvs 3321: fprintf (stderr, "file size == %u\n", (unsigned) file_size);
1.4 cvs 3322:
3323: me = AHTReqContext_new (docid);
1.7 cvs 3324: if (me == NULL)
3325: {
1.168 cvs 3326: /* @@ need an error message here */
1.151 cvs 3327: TtaHandlePendingEvents ();
1.7 cvs 3328: return (HT_ERROR);
1.208 cvs 3329: }
3330:
3331: /*
3332: ** Set up the original URL name
3333: */
1.285 kahan 3334:
3335: /* are we using content-location? */
3336: if (DocumentMeta[docid]->content_location)
3337: resource_name = DocumentMeta[docid]->content_location;
3338: else
3339: resource_name = NULL;
3340:
3341: /* prepare the target URL */
3342: if (resource_name)
1.208 cvs 3343: {
1.285 kahan 3344: tmp = strstr (urlName, resource_name);
3345: if (!tmp)
1.208 cvs 3346: {
1.285 kahan 3347: /* urlName does not include the resource name */
3348: me->default_put_name = TtaGetMemory (strlen (urlName)
3349: + strlen (resource_name)
3350: + sizeof (URL_SEP)
3351: + 1);
3352: strcpy (me->default_put_name, urlName);
3353: tmp = strrchr (me->default_put_name, URL_SEP);
3354: if (tmp)
1.208 cvs 3355: {
1.285 kahan 3356: /* it is a URL finishing in /. Only add the resrouce name */
3357: tmp++;
3358: strcpy (tmp, resource_name);
3359: }
3360: else
3361: {
3362: strcat (me->default_put_name, URL_STR);
3363: strcat (me->default_put_name, resource_name);
1.208 cvs 3364: }
3365: }
1.7 cvs 3366: }
1.285 kahan 3367:
3368: if (!me->default_put_name)
1.271 kahan 3369: me->default_put_name = TtaStrdup (urlName);
3370:
1.285 kahan 3371: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.116 cvs 3372:
1.4 cvs 3373: me->mode = mode;
3374: me->incremental_cbf = (TIcbf *) NULL;
3375: me->context_icbf = (void *) NULL;
3376: me->terminate_cbf = terminate_cbf;
3377: me->context_tcbf = context_tcbf;
1.286 kahan 3378:
3379: /* normalize the URL */
1.300 kahan 3380: esc_url = EscapeURL (urlName);
1.272 cvs 3381: me->urlName = TtaStrdup (esc_url);
1.206 cvs 3382: TtaFreeMemory (esc_url);
1.300 kahan 3383:
1.228 cvs 3384: me->block_size = file_size;
1.17 cvs 3385: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 3386: me->method = METHOD_PUT;
1.318 kahan 3387: if (mode & AMAYA_SIMPLE_PUT)
3388: {
3389: me->output = NULL;
3390: GetOutputFileName (outputfile, docid);
3391: me->outputfile = outputfile;
3392: }
3393: else
3394: {
3395: me->output = stdout;
3396: /* we are not expecting to receive any input from the server */
3397: me->outputfile = (char *) NULL;
3398: }
1.4 cvs 3399:
1.134 cvs 3400: #ifdef _WINDOWS
3401: /* libwww's HTParse function doesn't take into account the drive name;
1.168 cvs 3402: so we sidestep it */
1.238 cvs 3403:
1.134 cvs 3404: fileURL = NULL;
3405: StrAllocCopy (fileURL, "file:");
1.273 cvs 3406: strcpy (file_name, fileName);
1.235 cvs 3407: StrAllocCat (fileURL, file_name);
1.134 cvs 3408: #else
1.116 cvs 3409: fileURL = HTParse (fileName, "file:/", PARSE_ALL);
1.134 cvs 3410: #endif /* _WINDOWS */
1.168 cvs 3411: me->source = HTAnchor_findAddress (fileURL);
1.116 cvs 3412: HT_FREE (fileURL);
1.273 cvs 3413: strcpy (url_name, me->urlName);
1.235 cvs 3414: me->dest = HTAnchor_findAddress (url_name);
1.169 cvs 3415: /* we memorize the anchor's parent @ as we use it a number of times
3416: in the following lines */
3417: dest_anc_parent = HTAnchor_parent (me->dest);
1.168 cvs 3418:
1.169 cvs 3419: /*
3420: ** Set the Content-Type of the file we are uploading
3421: */
3422: /* we try to use any content-type previosuly associated
3423: with the parent. If it doesn't exist, we try to guess it
3424: from the URL */
1.276 kahan 3425: /* @@ JK: trying to use the content type we stored */
3426: /*
1.235 cvs 3427: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
1.276 kahan 3428: */
3429: tmp2 = NULL;
1.235 cvs 3430: if (!tmp2 || !strcmp (tmp2, "www/unknown"))
1.169 cvs 3431: {
1.260 kahan 3432: HTAtom *tmp_atom;
1.276 kahan 3433:
1.260 kahan 3434: tmp_atom = AHTGuessAtom_for (me->urlName, contentType);
1.276 kahan 3435: if (!tmp_atom || !strcmp (HTAtom_name (tmp_atom), "www/unknown"))
3436: {
3437: /* ask the user for a MIME type */
3438: }
1.260 kahan 3439: HTAnchor_setFormat (dest_anc_parent, tmp_atom);
1.235 cvs 3440: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
1.169 cvs 3441: }
3442: /* .. and we give the same type to the source anchor */
3443: /* we go thru setOutputFormat, rather than change the parent's
3444: anchor, as that's the place that libwww expects it to be */
1.235 cvs 3445: HTAnchor_setFormat (HTAnchor_parent (me->source), HTAtom_for (tmp2));
1.219 cvs 3446:
1.235 cvs 3447: HTRequest_setOutputFormat (me->request, HTAtom_for (tmp2));
1.219 cvs 3448:
3449: /*
3450: ** Set the Charset of the file we are uploading
3451: */
1.240 cvs 3452: /* we set the charset as indicated in the document's metadata
3453: structure (and only if it exists) */
1.250 cvs 3454: charset = TtaGetDocumentCharset (docid);
3455: if (charset != UNDEFINED_CHARSET)
1.240 cvs 3456: {
1.250 cvs 3457: tmp = TtaGetCharsetName (charset);
1.272 cvs 3458: if (tmp && *tmp != EOS)
1.250 cvs 3459: {
1.273 cvs 3460: tmp2 = TtaStrdup (tmp);
1.250 cvs 3461: HTAnchor_setCharset (dest_anc_parent, HTAtom_for (tmp2));
3462: TtaFreeMemory (tmp2);
3463: tmp2 = HTAtom_name (HTAnchor_charset (dest_anc_parent));
3464: /* .. and we give the same charset to the source anchor */
3465: /* we go thru setCharSet, rather than change the parent's
3466: anchor, as that's the place that libwww expects it to be */
3467: HTAnchor_setCharset (HTAnchor_parent (me->source),
3468: HTAtom_for (tmp2));
3469: }
1.219 cvs 3470: }
3471:
3472: /*
3473: ** define other request characteristics
3474: */
1.134 cvs 3475: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 3476:
1.151 cvs 3477: /*
3478: ** Make sure that the first request is flushed immediately and not
3479: ** buffered in the output buffer
3480: */
3481: if (mode & AMAYA_FLUSH_REQUEST)
3482: HTRequest_setFlush(me->request, YES);
1.168 cvs 3483:
3484: /* Should we use preconditions? */
1.172 cvs 3485: if (lost_update_check)
1.168 cvs 3486: {
1.172 cvs 3487: if (UsePreconditions)
3488: etag = HTAnchor_etag (HTAnchor_parent (me->dest));
3489:
3490: if (etag)
3491: {
3492: HTRequest_setPreconditions(me->request, HT_MATCH_THIS);
3493: }
3494: else
3495: {
3496: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
3497: HTRequest_addAfter(me->request, check_handler, NULL, NULL, HT_ALL,
3498: HT_FILTER_MIDDLE, YES);
1.175 cvs 3499: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
3500: HT_NO_ACCESS, HT_FILTER_MIDDLE, YES);
3501: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
3502: HT_REAUTH, HT_FILTER_MIDDLE, YES);
3503: HTRequest_addAfter (me->request, HTAuthInfoFilter, "http://*", NULL,
3504: HT_ALL, HT_FILTER_MIDDLE, YES);
3505: HTRequest_addAfter (me->request, HTUseProxyFilter, "http://*", NULL,
3506: HT_USE_PROXY, HT_FILTER_MIDDLE, YES);
1.172 cvs 3507: }
1.168 cvs 3508: }
3509: else
3510: {
1.172 cvs 3511: /* don't use preconditions */
1.168 cvs 3512: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
3513: }
1.151 cvs 3514:
1.136 cvs 3515: /* don't use the cache while saving a document */
3516: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1.116 cvs 3517:
1.318 kahan 3518: #if 0
1.164 cvs 3519: /* Throw away any reponse body */
3520: /*
3521: HTRequest_setOutputStream (me->request, HTBlackHole());
3522: */
1.318 kahan 3523: HTRequest_setOutputStream (me->request, NULL);
3524: #endif
1.164 cvs 3525:
1.168 cvs 3526: /* prepare the URLname that will be displayed in the status bar */
1.74 cvs 3527: ChopURL (me->status_urlName, me->urlName);
1.233 cvs 3528: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING), me->status_urlName);
1.114 cvs 3529:
1.297 kirschpi 3530:
3531: #ifdef DAV
1.302 kirschpi 3532: /* MKP: for a PUT request, try to add an "If" header (lock information)
1.297 kirschpi 3533: * for a HEAD request, leave this for check_handler */
3534: if ( !(lost_update_check && (!UsePreconditions || !etag)) )
3535: DAVAddIfHeader (me,HTAnchor_address(me->dest));
1.302 kirschpi 3536: #endif /* DAV */
1.297 kirschpi 3537:
3538:
1.164 cvs 3539: /* make the request */
1.172 cvs 3540: if (lost_update_check && (!UsePreconditions || !etag))
1.168 cvs 3541: status = HTHeadAnchor (me->dest, me->request);
3542: else
3543: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1.4 cvs 3544:
1.130 cvs 3545: if (status == YES && me->reqStatus != HT_ERR)
1.7 cvs 3546: {
1.168 cvs 3547: /* part of the stop button handler */
3548: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
3549: status = LoopForStop (me);
1.15 cvs 3550: }
1.136 cvs 3551: if (!HTRequest_kill (me->request))
3552: AHTReqContext_delete (me);
1.168 cvs 3553:
1.116 cvs 3554: TtaHandlePendingEvents ();
1.90 cvs 3555:
1.130 cvs 3556: return (status == YES ? 0 : -1);
1.28 cvs 3557: }
1.4 cvs 3558:
1.5 cvs 3559: /*----------------------------------------------------------------------
1.138 cvs 3560: StopRequest
1.17 cvs 3561: stops (kills) all active requests associated with a docid
1.5 cvs 3562: ----------------------------------------------------------------------*/
1.4 cvs 3563: void StopRequest (int docid)
3564: {
1.140 cvs 3565: if (Amaya && CanDoStop ())
1.138 cvs 3566: {
1.139 cvs 3567: #if 0 /* for later */
1.140 cvs 3568: AHTDocId_Status *docid_status;
3569: /* verify if there are any requests at all associated with docid */
1.138 cvs 3570: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
3571: Amaya->docid_status);
3572: if (docid_status == (AHTDocId_Status *) NULL)
3573: return;
1.139 cvs 3574: #endif /* 0 */
1.138 cvs 3575: /* temporary call to stop all requests, as libwww changed its API */
3576: StopAllRequests (docid);
3577: }
3578: }
3579:
1.190 cvs 3580: /* @@@ the docid parameter isn't used... clean it up */
1.138 cvs 3581: /*----------------------------------------------------------------------
3582: StopAllRequests
3583: stops (kills) all active requests. We use the docid
3584: ----------------------------------------------------------------------*/
3585: void StopAllRequests (int docid)
3586: {
1.4 cvs 3587: HTList *cur;
3588: AHTReqContext *me;
1.191 cvs 3589: static ThotBool lock_stop = 0;
3590: ThotBool async_flag;
1.232 cvs 3591: AHTReqStatus old_reqStatus;
1.116 cvs 3592:
1.138 cvs 3593: /* only do the stop if we're not being called while processing a
1.146 cvs 3594: request, and if we're not already dealing with a stop */
3595: if (Amaya && CanDoStop () && !lock_stop)
1.7 cvs 3596: {
1.100 cvs 3597: #ifdef DEBUG_LIBWWW
1.138 cvs 3598: fprintf (stderr, "StopRequest: number of Amaya requests "
3599: "before kill: %d\n", Amaya->open_requests);
1.100 cvs 3600: #endif /* DEBUG_LIBWWW */
1.150 cvs 3601: /* enter the critical section */
1.146 cvs 3602: lock_stop = TRUE;
1.214 cvs 3603: /* set a module global variable so that we can do special
3604: processing easier */
3605: UserAborted_flag = TRUE;
1.232 cvs 3606: /* abort all outstanding libwww UI dialogues */
1.265 cvs 3607: CallbackDialogue (BaseDialog + FormAnswer, STRING_DATA, NULL);
3608: CallbackDialogue (BaseDialog + ConfirmForm, INTEGER_DATA, NULL);
1.164 cvs 3609: /* expire all outstanding timers */
3610: HTTimer_expireAll ();
1.160 cvs 3611: /* HTNet_killAll (); */
1.245 kahan 3612: if (Amaya->open_requests)
1.116 cvs 3613: {
1.245 kahan 3614: cur = Amaya->reqlist;
3615: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1.160 cvs 3616: {
1.245 kahan 3617: if (AmayaIsAlive ())
3618: {
1.161 cvs 3619: #ifdef DEBUG_LIBWWW
1.245 kahan 3620: fprintf (stderr,"StopRequest: killing req %p, url %s, status %d\n", me, me->urlName, me->reqStatus);
1.161 cvs 3621: #endif /* DEBUG_LIBWWW */
1.245 kahan 3622:
3623: if (me->reqStatus != HT_END && me->reqStatus != HT_ABORT)
1.163 cvs 3624: {
1.245 kahan 3625: if ((me->mode & AMAYA_ASYNC)
3626: || (me->mode & AMAYA_IASYNC))
3627: async_flag = TRUE;
3628: else
3629: async_flag = FALSE;
3630:
3631: /* change the status to say that the request aborted */
3632: /* if the request was "busy", we just change a flag to say so and
3633: let the handler finish the processing itself */
3634: old_reqStatus = me->reqStatus;
3635: me->reqStatus = HT_ABORT;
3636: if (old_reqStatus == HT_BUSY)
3637: continue;
3638:
3639: /* kill the request, using the appropriate function */
3640: if (me->request->net)
3641: HTNet_killPipe (me->request->net);
3642: else
3643: {
3644: if (me->terminate_cbf)
3645: (*me->terminate_cbf) (me->docid, -1, me->urlName,
3646: me->outputfile,
3647: NULL,
3648: me->context_tcbf);
3649:
3650: if (async_flag)
3651: /* explicitly free the request context for async
3652: requests. The sync requests context is freed
3653: by LoopForStop */
3654: AHTReqContext_delete (me);
3655: }
3656: cur = Amaya->reqlist;
1.160 cvs 3657: }
1.142 cvs 3658: #ifndef _WINDOWS
3659: #ifdef WWW_XWINDOWS
1.245 kahan 3660: /* to be on the safe side, remove all outstanding
3661: X events */
1.160 cvs 3662: else
3663: RequestKillAllXtevents (me);
1.142 cvs 3664: #endif /* WWW_XWINDOWS */
3665: #endif /* !_WINDOWS */
1.245 kahan 3666: }
1.160 cvs 3667: }
1.245 kahan 3668: /* Delete remaining channels */
3669: HTChannel_safeDeleteAll ();
1.116 cvs 3670: }
1.214 cvs 3671: /* reset the stop status */
3672: UserAborted_flag = FALSE;
1.150 cvs 3673: /* exit the critical section */
1.148 cvs 3674: lock_stop = FALSE;
1.100 cvs 3675: #ifdef DEBUG_LIBWWW
1.138 cvs 3676: fprintf (stderr, "StopRequest: number of Amaya requests "
3677: "after kill: %d\n", Amaya->open_requests);
1.100 cvs 3678: #endif /* DEBUG_LIBWWW */
1.138 cvs 3679: }
3680: } /* StopAllRequests */
1.17 cvs 3681:
3682:
1.105 cvs 3683: /*----------------------------------------------------------------------
3684: AmayaIsAlive
1.140 cvs 3685: returns the value of the AmayaAlive_flag
1.105 cvs 3686: ----------------------------------------------------------------------*/
1.191 cvs 3687: ThotBool AmayaIsAlive (void)
1.105 cvs 3688: {
1.140 cvs 3689: return AmayaAlive_flag;
3690: }
3691:
3692: /*----------------------------------------------------------------------
3693: CanDoStop
3694: returns the value of the CanDoStop flag
3695: ----------------------------------------------------------------------*/
1.191 cvs 3696: ThotBool CanDoStop (void)
1.140 cvs 3697: {
3698: return CanDoStop_flag;
3699: }
3700:
3701: /*----------------------------------------------------------------------
3702: CanDoStop_set
3703: sets the value of the CanDoStop flag
3704: ----------------------------------------------------------------------*/
1.191 cvs 3705: void CanDoStop_set (ThotBool value)
1.140 cvs 3706: {
3707: CanDoStop_flag = value;
1.176 cvs 3708: }
3709:
1.265 cvs 3710: /*----------------------------------------------------------------------
3711: ----------------------------------------------------------------------*/
1.176 cvs 3712: void libwww_updateNetworkConf (int status)
3713: {
3714: /* @@@ the docid parameter isn't used... clean it up */
3715: int docid = 1;
3716:
3717: /* first, stop all current requests, as the network
3718: may make some changes */
3719: StopAllRequests (docid);
1.207 cvs 3720:
3721: if (status & AMAYA_SAFEPUT_RESTART)
3722: {
3723: SafePut_delete ();
3724: SafePut_init ();
3725: }
1.176 cvs 3726:
3727: if (status & AMAYA_PROXY_RESTART)
3728: {
3729: HTProxy_deleteAll ();
3730: ProxyInit ();
3731: }
3732:
3733: if (status & AMAYA_CACHE_RESTART)
3734: {
3735: clear_cachelock ();
3736: HTCacheTerminate ();
3737: HTCacheMode_setEnabled (NO);
3738: CacheInit ();
3739: }
1.193 cvs 3740:
3741: if (status & AMAYA_LANNEG_RESTART)
3742: {
3743: /* clear the current values */
3744: if (acceptLanguages)
3745: HTLanguage_deleteAll (acceptLanguages);
3746: /* read in the new ones */
3747: acceptLanguages = HTList_new ();
3748: AHTAcceptLanguagesInit (acceptLanguages);
3749: }
1.105 cvs 3750: }
1.246 kahan 3751:
3752: /****************************************************************************
3753: ** The following two functions allow to set and read the value of *
3754: ** the FTPURL_flag. If this flag is true, it means we can browse FTP URLs *
3755: ***************************************************************************/
3756:
3757: /*----------------------------------------------------------------------
3758: AHT_FTPURL_flag_set
3759: ----------------------------------------------------------------------*/
3760: void AHTFTPURL_flag_set (ThotBool value)
3761: {
3762: FTPURL_flag = value;
3763: }
3764:
3765: /*----------------------------------------------------------------------
3766: AHT_FTPURL_flag
3767: ----------------------------------------------------------------------*/
3768: ThotBool AHTFTPURL_flag (void)
3769: {
3770: return (FTPURL_flag);
3771: }
1.308 kahan 3772:
3773:
3774: /*----------------------------------------------------------------------
3775: CheckSingleInstance
3776: Returns TRUE if this is the single instance of Amaya in the system,
3777: FALSE otherwise.
3778: N.B. : This implementation is naif.
3779: ----------------------------------------------------------------------*/
3780: ThotBool CheckSingleInstance (char *pid_dir)
3781: {
3782: #ifdef _WINDOWS
3783: HWND hwnd;
3784:
1.310 cvs 3785: hwnd = FindWindow ("Amaya", NULL);
1.308 kahan 3786:
3787: if (!hwnd)
3788: return TRUE;
3789: else
3790: return FALSE;
3791:
3792: #else /* _WINDOWS */
3793:
3794: int instances;
3795: char *ptr;
3796: pid_t pid;
3797:
3798: DIR *dp;
3799: struct stat st;
3800: #ifdef HAVE_DIRENT_H
3801: struct dirent *d;
3802: #else
3803: struct direct *d;
3804: #endif /* HAVE_DIRENT_H */
3805: char filename[BUFSIZ+1];
3806:
3807: if ((dp = opendir (pid_dir)) == NULL)
3808: {
3809: /* @@@ we couldn't open the directory ... we need some msg */
3810: perror (pid_dir);
3811: return FALSE;
3812: }
3813:
3814: instances = 0;
3815:
3816: while ((d = readdir (dp)) != NULL)
3817: {
3818: /* skip the UNIX . and .. links */
3819: if (!strcmp (d->d_name, "..")
3820: || !strcmp (d->d_name, "."))
3821: continue;
3822:
3823: sprintf (filename, "%s%c%s", pid_dir, DIR_SEP, d->d_name);
3824: if (lstat (filename, &st) < 0 )
3825: {
3826: /* @@2 need some error message */
3827: perror (filename);
3828: continue;
3829: }
3830:
3831: switch (st.st_mode & S_IFMT)
3832: {
3833: case S_IFDIR:
3834: case S_IFLNK:
3835: /* skip any links and directories that we find */
3836: continue;
3837: break;
3838: default:
3839: /* check if this pid exists. If not, erase it */
3840: ptr = strrchr (filename, DIR_SEP);
3841: if (!ptr)
3842: continue;
3843: sscanf (ptr, DIR_STR"%d", &pid);
3844: if (kill (pid, 0) == -1)
3845: {
3846: /* erase the stale pid file */
3847: TtaFileUnlink (filename);
3848: }
3849: else /* we found one live instance */
3850: {
3851: instances++;
3852: }
3853: break;
3854: }
3855: }
3856: closedir (dp);
3857: return (instances == 0);
3858: #endif /* !_WINDOWS */
3859: }
3860:
3861: /*----------------------------------------------------------------------
3862: FreeAmayaCache
3863: ----------------------------------------------------------------------*/
3864: void FreeAmayaCache (void)
3865: {
3866: #ifndef _WINDOWS
3867: char str[MAX_LENGTH];
3868: pid_t pid;
3869:
3870: /* unregister this instance of Amaya */
3871: pid = getpid ();
3872: sprintf (str, "%s/pid/%d", TempFileDirectory, pid);
3873: if (TtaFileExist (str))
3874: TtaFileUnlink (str);
3875: #endif /* _WINDOWS */
3876: }
3877:
3878: /*----------------------------------------------------------------------
3879: InitAmayaCache
3880: Create the temporary sub-directories for storing the HTML and
3881: other downloaded files.
3882: ----------------------------------------------------------------------*/
3883: void InitAmayaCache (void)
3884: {
3885: ThotBool can_erase;
3886: int i;
3887: char str[MAX_LENGTH];
3888: char *ptr;
1.309 cvs 3889: #ifndef _WINDOWS
1.308 kahan 3890: pid_t pid;
3891: int fd_pid;
1.309 cvs 3892: #endif /* _WINDOWS */
1.308 kahan 3893:
3894: #ifndef _WINDOWS
3895: /* create the temp dir for the Amaya pid */
3896: sprintf (str, "%s%cpid", TempFileDirectory, DIR_SEP);
3897: TtaMakeDirectory (str);
3898: #endif
3899:
3900: /* protection against dir names that have . in them to avoid
3901: erasing everything by accident */
3902: ptr = TempFileDirectory;
3903: can_erase = TRUE;
3904: while (*ptr && can_erase)
3905: {
3906: if (*ptr == '.')
3907: {
3908: if (*(ptr + 1) == '.')
3909: can_erase = FALSE;
3910: else
3911: ptr++;
3912: continue;
3913: }
3914: else if (*ptr == '~')
3915: can_erase = FALSE;
3916: else if (!isalnum (*ptr) && *ptr != DIR_SEP && *ptr != ':')
3917: can_erase = FALSE;
3918: ptr++;
3919: }
3920:
3921: if (can_erase && CheckSingleInstance (str))
3922: {
3923: /* Erase the previous directories */
3924: for (i = 0; i < DocumentTableLength; i++)
3925: {
3926: sprintf (str, "%s%c%d%c", TempFileDirectory, DIR_SEP, i, DIR_SEP);
3927: RecCleanCache (str);
3928: }
3929: }
3930:
3931: /* create the temporary cache directories if they don't exit*/
3932: for (i = 0; i < DocumentTableLength; i++)
3933: {
3934: sprintf (str, "%s%c%d", TempFileDirectory, DIR_SEP, i);
3935: TtaMakeDirectory (str);
3936: }
3937:
3938: #ifndef _WINDOWS
3939: /* register this instance of Amaya */
3940: pid = getpid ();
3941: sprintf (str, "%s/pid/%d", TempFileDirectory, pid);
3942: fd_pid = open (str, O_CREAT, S_IRUSR | S_IWUSR );
3943: if (fd_pid != -1)
3944: close (fd_pid);
3945: else
3946: printf ("Couldn't create fd_pid %s\n", str);
3947: #endif /* _WINDOWS */
3948: }
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