source: gsdl/trunk/src/recpt/cgiwrapper.cpp@ 15589

Last change on this file since 15589 was 15589, checked in by mdewsnip, 13 years ago

(Adding new DB support) Replacing almost all "gdbmhome" with "dbhome".

  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 23.4 KB
Line 
1/**********************************************************************
2 *
3 * cgiwrapper.cpp -- output pages using the cgi protocol
4 * Copyright (C) 1999 The New Zealand Digital Library Project
5 *
6 * A component of the Greenstone digital library software
7 * from the New Zealand Digital Library Project at the
8 * University of Waikato, New Zealand.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 *********************************************************************/
25
26#include <stdio.h>
27#ifdef __WIN32__
28#include <fcntl.h>
29#endif
30
31#include "gsdlconf.h"
32#include "cgiwrapper.h"
33#include "gsdlsitecfg.h"
34#include "maincfg.h"
35#include "fileutil.h"
36#include "cgiutils.h"
37#include <stdlib.h>
38#include <assert.h>
39
40#if defined(GSDL_USE_OBJECTSPACE)
41# include <ospace/std/iostream>
42# include <ospace/std/fstream>
43#elif defined(GSDL_USE_IOS_H)
44# include <iostream.h>
45# include <fstream.h>
46#else
47# include <iostream>
48# include <fstream>
49#endif
50
51#ifdef USE_FASTCGI
52#include "fcgiapp.h"
53#endif
54
55
56#ifdef USE_FASTCGI
57// used to output the text from receptionist
58class fcgistreambuf : public streambuf {
59public:
60 fcgistreambuf ();
61 int sync ();
62 int overflow (int ch);
63 int underflow () {return EOF;}
64
65 void fcgisbreset() {fcgx_stream = NULL; other_ostream = NULL;};
66 void set_fcgx_stream(FCGX_Stream *newone) {fcgx_stream=newone;};
67 void set_other_ostream(ostream *newone) {other_ostream=newone;};
68
69private:
70 FCGX_Stream *fcgx_stream;
71 ostream *other_ostream;
72};
73
74fcgistreambuf::fcgistreambuf() {
75 fcgisbreset();
76 if (base() == ebuf()) allocate();
77 setp (base(), ebuf());
78};
79
80int fcgistreambuf::sync () {
81 if ((fcgx_stream != NULL) &&
82 (FCGX_PutStr (pbase(), out_waiting(), fcgx_stream) < 0)) {
83 fcgx_stream = NULL;
84 }
85
86 if (other_ostream != NULL) {
87 char *thepbase=pbase();
88 for (int i=0;i<out_waiting();++i) (*other_ostream).put(thepbase[i]);
89 }
90
91 setp (pbase(), epptr());
92
93 return 0;
94}
95
96int fcgistreambuf::overflow (int ch) {
97 if (sync () == EOF) return EOF;
98 if (ch != EOF) sputc (ch);
99 return 0;
100}
101
102#endif
103
104static void format_error_string (text_t &errorpage, const text_t &errortext, bool debug) {
105
106 errorpage.clear();
107
108 if (debug) {
109 errorpage += "\n";
110 errorpage += "ERROR: " + errortext;
111 errorpage += "\n";
112
113 } else {
114
115 errorpage += "Content-type: text/html\n\n";
116
117 errorpage += "<html>\n";
118 errorpage += "<head>\n";
119 errorpage += "<title>Error</title>\n";
120 errorpage += "</head>\n";
121 errorpage += "<body>\n";
122 errorpage += "<h2>Oops!</h2>\n";
123 errorpage += errortext;
124 errorpage += "</body>\n";
125 errorpage += "</html>\n";
126 }
127}
128
129static void page_errorcollect (const text_t &gsdlhome, text_t &errorpage, bool debug) {
130
131 text_t collectdir = filename_cat (gsdlhome, "collect");
132
133 text_t errortext = "No valid collections were found: Check that your collect directory\n";
134 errortext += "(" + collectdir + ") is readable and contains at least one valid collection.\n";
135 errortext += "Note that modelcol is NOT a valid collection.\n";
136 errortext += "If the path to your collect directory is wrong edit the 'gsdlhome' field\n";
137 errortext += "in your gsdlsite.cfg configuration file.\n";
138
139 format_error_string (errorpage, errortext, debug);
140}
141
142static void page_errorsitecfg (text_t &errorpage, bool debug, int mode) {
143
144 text_t errortext;
145
146 if (mode == 0) {
147 errortext += "The gsdlsite.cfg configuration file could not be found. This\n";
148 errortext += "file should contain configuration information relating to this\n";
149 errortext += "site's setup.\n";
150
151 } else if (mode == 1) {
152 errortext += "The gsdlsite.cfg configuration file does not contain a valid\n";
153 errortext += "gsdlhome entry.\n";
154 }
155
156 if (debug) {
157 errortext += "gsdlsite.cfg should reside in the directory from which the\n";
158 errortext += "library executable was run.\n";
159 } else {
160 errortext += "gsdlsite.cfg should reside in the same directory as the library\n";
161 errortext += "executable file.\n";
162 }
163
164 format_error_string (errorpage, errortext, debug);
165}
166
167
168static void page_errormaincfg (const text_t &gsdlhome, const text_t &collection,
169 bool debug, text_t &errorpage) {
170
171 text_t errortext;
172
173 if (collection.empty()) {
174 text_t main_cfg_file = filename_cat (gsdlhome, "etc", "main.cfg");
175 errortext += "The main.cfg configuration file could not be found. This file\n";
176 errortext += "should contain configuration information relating to the\n";
177 errortext += "setup of the interface. As this receptionist is not being run\n";
178 errortext += "in collection specific mode the file should reside at\n";
179 errortext += main_cfg_file + ".\n";
180 } else {
181 text_t collect_cfg_file = filename_cat (gsdlhome, "collect", collection, "etc", "collect.cfg");
182 text_t main_collect_cfg_file = filename_cat (gsdlhome, "etc", "collect.cfg");
183 text_t main_cfg_file = filename_cat (gsdlhome, "etc", "main.cfg");
184 errortext += "Either the collect.cfg or main.cfg configuration file could\n";
185 errortext += "not be found. This file should contain configuration information\n";
186 errortext += "relating to the setup of the interface. As this receptionist is\n";
187 errortext += "being run in collection specific mode the file should reside\n";
188 errortext += "at either " + collect_cfg_file + ",\n";
189 errortext += main_collect_cfg_file + " or " + main_cfg_file + ".\n";
190 }
191
192 format_error_string (errorpage, errortext, debug);
193}
194
195
196static void page_errorinit (const text_t &gsdlhome, bool debug, text_t &errorpage) {
197
198 text_t errortext = "An error occurred during the initialisation of the Greenstone Digital\n";
199 errortext += "Library software. It is likely that the software has not been setup\n";
200 errortext += "correctly.\n";
201
202 text_t error_file = filename_cat (gsdlhome, "etc", "error.txt");
203 char *efile = error_file.getcstr();
204 ifstream errin (efile);
205 delete []efile;
206 if (errin) {
207 errortext += "The error log, " + error_file + ", contains the\n";
208 errortext += "following information:\n\n";
209 if (!debug) errortext += "<pre>\n";
210
211 char c;
212 errin.get(c);
213 while (!errin.eof ()) {
214 errortext.push_back(c);
215 errin.get(c);
216 }
217
218 if (!debug) errortext += "</pre>\n";
219
220 errin.close();
221
222 } else {
223 errortext += "Please consult " + error_file + " for more information.\n";
224 }
225
226 format_error_string (errorpage, errortext, debug);
227}
228
229static void page_errorparseargs (const text_t &gsdlhome, bool debug, text_t &errorpage) {
230
231 text_t errortext = "An error occurred during the parsing of the cgi arguments.\n";
232
233 text_t error_file = filename_cat (gsdlhome, "etc", "error.txt");
234 char *efile = error_file.getcstr();
235 ifstream errin (efile);
236 delete []efile;
237 if (errin) {
238 errortext += "The error log, " + error_file + ", contains the\n";
239 errortext += "following information:\n\n";
240 if (!debug) errortext += "<pre>\n";
241
242 char c;
243 errin.get(c);
244 while (!errin.eof ()) {
245 errortext.push_back(c);
246 errin.get(c);
247 }
248 if (!debug) errortext += "</pre>\n";
249 errin.close();
250
251 } else {
252 errortext += "Please consult " + error_file + " for more information.\n";
253 }
254
255 format_error_string (errorpage, errortext, debug);
256}
257
258static void page_errorcgipage (const text_t &gsdlhome, bool debug, text_t &errorpage) {
259
260 text_t errortext = "An error occurred during the construction of the cgi page.\n";
261
262 text_t error_file = filename_cat (gsdlhome, "etc", "error.txt");
263 char *efile = error_file.getcstr();
264 ifstream errin (efile);
265 delete []efile;
266 if (errin) {
267 errortext += "The error log, " + error_file + ", contains the\n";
268 errortext += "following information:\n\n";
269 if (!debug) errortext += "<pre>\n";
270
271 char c;
272 errin.get(c);
273 while (!errin.eof ()) {
274 errortext.push_back(c);
275 errin.get(c);
276 }
277 if (!debug) errortext += "</pre>\n";
278 errin.close();
279
280 } else {
281 errortext += "Please consult " + error_file + " for more information.\n";
282 }
283
284 format_error_string (errorpage, errortext, debug);
285}
286
287static void print_debug_info (receptionist &recpt) {
288
289 outconvertclass text_t2ascii;
290 const recptconf &configinfo = recpt.get_configinfo ();
291 text_t etc_dir = filename_cat (configinfo.gsdlhome, "etc");
292
293 cout << "\n";
294 cout << text_t2ascii
295 << "------------------------------------------------------------\n"
296 << "Configuration and initialization completed successfully.\n"
297 << " Note that more debug information may be available in the\n"
298 << " initialization and error log error.txt in " << etc_dir << ".\n"
299 << "------------------------------------------------------------\n\n";
300
301 bool colspec = false;
302 if (configinfo.collection.empty()) {
303 cout << "Receptionist is running in \"general\" (i.e. not \"collection\n"
304 << "specific\") mode.\n";
305 } else {
306 cout << text_t2ascii
307 << "Receptionist is running in \"collection specific\" mode.\n"
308 << " collection=" << configinfo.collection << "\n"
309 << " collection directory=" << configinfo.collectdir << "\n";
310 colspec = true;
311 }
312
313 cout << text_t2ascii << "gsdlhome=" << configinfo.gsdlhome << "\n";
314 if (!configinfo.dbhome.empty())
315 cout << text_t2ascii << "dbhome=" << configinfo.dbhome << "\n";
316 cout << text_t2ascii << "httpprefix=" << configinfo.httpprefix << "\n";
317 cout << text_t2ascii << "httpimg=" << configinfo.httpimg << "\n";
318 cout << text_t2ascii << "gwcgi=" << configinfo.gwcgi << "\n"
319 << " Note that unless gwcgi has been set from a configuration\n"
320 << " file it is dependent on environment variables set by your\n"
321 << " webserver. Therefore it may not have the same value when run\n"
322 << " from the command line as it would be when run from your\n"
323 << " web server.\n";
324 if (configinfo.usecookies)
325 cout << "cookies are enabled\n";
326 else
327 cout << "cookies are disabled\n";
328 if (configinfo.logcgiargs)
329 cout << "logging is enabled\n";
330 else
331 cout << "logging is disabled\n";
332 cout << "------------------------------------------------------------\n\n";
333
334 text_tset::const_iterator this_mfile = configinfo.macrofiles.begin();
335 text_tset::const_iterator end_mfile = configinfo.macrofiles.end();
336 cout << "Macro Files:\n"
337 << "------------\n";
338 text_t mfile;
339 bool found;
340 while (this_mfile != end_mfile) {
341 cout << text_t2ascii << *this_mfile;
342 int spaces = (22 - (*this_mfile).size());
343 if (spaces < 2) spaces = 2;
344 text_t outspaces;
345 for (int i = 0; i < spaces; ++i) outspaces.push_back (' ');
346 cout << text_t2ascii << outspaces;
347
348 found = false;
349 if (colspec) {
350 // collection specific - try collectdir/macros first
351 mfile = filename_cat (configinfo.collectdir, "macros", *this_mfile);
352 if (file_exists (mfile)) {
353 cout << text_t2ascii << "found (" << mfile << ")\n";
354 found = true;
355 }
356 }
357
358 if (!found) {
359 // try main macro directory
360 mfile = filename_cat (configinfo.gsdlhome, "macros", *this_mfile);
361 if (file_exists (mfile)) {
362 cout << text_t2ascii << "found (" << mfile << ")\n";
363 found = true;
364 }
365 }
366
367 if (!found)
368 cout << text_t2ascii << "NOT FOUND\n";
369
370 ++this_mfile;
371 }
372
373 cout << "------------------------------------------------------------\n\n"
374 << "Collections:\n"
375 << "------------\n"
376 << " Note that collections will only appear as \"running\" if\n"
377 << " their build.cfg files exist, are readable, contain a valid\n"
378 << " builddate field (i.e. > 0), and are in the collection's\n"
379 << " index directory (i.e. NOT the building directory)\n\n";
380
381 recptprotolistclass *protos = recpt.get_recptprotolist_ptr();
382 recptprotolistclass::iterator rprotolist_here = protos->begin();
383 recptprotolistclass::iterator rprotolist_end = protos->end();
384
385 bool is_z3950 = false;
386 bool found_valid_col = false;
387
388
389 while (rprotolist_here != rprotolist_end) {
390 comerror_t err;
391 if ((*rprotolist_here).p == NULL) continue;
392 else if (is_z3950==false &&
393 (*rprotolist_here).p->get_protocol_name(err) == "z3950proto") {
394 cout << "\nZ39.50 Servers: (always public)\n"
395 << "---------------\n";
396 is_z3950=true;
397 }
398
399 text_tarray collist;
400 (*rprotolist_here).p->get_collection_list (collist, err, cerr);
401 if (err == noError) {
402 text_tarray::iterator collist_here = collist.begin();
403 text_tarray::iterator collist_end = collist.end();
404
405 while (collist_here != collist_end) {
406
407 cout << text_t2ascii << *collist_here;
408
409 int spaces = (22 - (*collist_here).size());
410 if (spaces < 2) spaces = 2;
411 text_t outspaces;
412 for (int i = 0; i < spaces; ++i) outspaces.push_back (' ');
413 cout << text_t2ascii << outspaces;
414
415 ColInfoResponse_t *cinfo = recpt.get_collectinfo_ptr ((*rprotolist_here).p, *collist_here, cerr);
416 if (cinfo != NULL) {
417 if (cinfo->isPublic) cout << "public ";
418 else cout << "private";
419
420 if (cinfo->buildDate > 0) {
421 cout << " running ";
422 found_valid_col = true;
423 } else {
424 cout << " not running";
425 }
426 }
427
428 cout << "\n";
429
430 ++collist_here;
431 }
432 }
433 is_z3950=false;
434 ++rprotolist_here;
435 } // end of while loop
436
437 if (!found_valid_col) {
438 cout << "WARNING: No \"running\" collections were found. You need to\n";
439 cout << " build one of the above collections\n";
440 }
441
442 cout << "\n------------------------------------------------------------\n";
443 cout << "------------------------------------------------------------\n\n";
444 cout << "receptionist running in command line debug mode\n";
445 cout << "enter cgi arguments as name=value pairs (e.g. 'a=p&p=home'):\n";
446
447}
448
449// cgiwrapper does everything necessary to output a page
450// using the cgi protocol. If this is being run for a particular
451// collection then "collection" should be set, otherwise it
452// should equal "".
453void cgiwrapper (receptionist &recpt, text_t collection) {
454 int numrequests = 0;
455 bool debug = false;
456 const recptconf &configinfo = recpt.get_configinfo ();
457
458 // find out whether this is being run as a cgi-script
459 // or a fastcgi script
460#ifdef USE_FASTCGI
461 fcgistreambuf outbuf;
462 int isfastcgi = !FCGX_IsCGI();
463 FCGX_Stream *fcgiin, *fcgiout, *fcgierr;
464 FCGX_ParamArray fcgienvp;
465#else
466 int isfastcgi = 0;
467#endif
468
469 // we need gsdlhome to do fileupload stuff, so moved this configure stuff before the get argstr stuff
470 // init stuff - we can't output error pages directly with
471 // fastcgi so the pages are stored until we can output them
472 text_t errorpage;
473 outconvertclass text_t2ascii;
474
475 // set defaults
476 int maxrequests = 10000;
477 recpt.configure ("collection", collection);
478 recpt.configure ("httpimg", "/gsdl/images");
479 char *script_name = getenv("SCRIPT_NAME");
480 if (script_name != NULL) recpt.configure("gwcgi", script_name);
481 else recpt.configure("gwcgi", "/gsdl");
482
483 // read in the configuration files.
484 text_t gsdlhome;
485 configurator gsdlconfigurator(&recpt);
486 if (!site_cfg_read (gsdlconfigurator, gsdlhome, maxrequests)) {
487 // couldn't find the site configuration file
488 page_errorsitecfg (errorpage, debug, 0);
489 } else if (gsdlhome.empty()) {
490 // no gsdlhome in gsdlsite.cfg
491 page_errorsitecfg (errorpage, debug, 1);
492 } else if (!directory_exists(gsdlhome)) {
493 // gsdlhome not a valid directory
494 page_errorsitecfg (errorpage, debug, 1);
495 } else if (!main_cfg_read (recpt, gsdlhome, collection)) {
496 // couldn't find the main configuration file
497 page_errormaincfg (gsdlhome, collection, debug, errorpage);
498 } else if (configinfo.collectinfo.empty() && false) { // commented out for corba
499 // don't have any collections
500 page_errorcollect (gsdlhome, errorpage, debug);
501 }
502 // get the query string if it is not being run as a fastcgi
503 // script
504 text_t argstr = g_EmptyText;
505 fileupload_tmap fileuploads;
506 cgiargsclass args;
507 char *aURIStr;
508 if (!isfastcgi) {
509 char *request_method_str = getenv("REQUEST_METHOD");
510 char *content_length_str = getenv("CONTENT_LENGTH");
511 if (request_method_str != NULL && strcmp(request_method_str, "POST") == 0 &&
512 content_length_str != NULL) {
513 // POST form data
514 long content_length = (content_length_str ? atoi(content_length_str) : 0);
515 if (content_length > 0) {
516#ifdef __WIN32__
517 // On Windows it is important that standard input be read in binary
518 // mode, otherwise end of line "<CR><LF>" is turned into <LF> only
519 // which breaks the MIME standard (and our parsing code!)
520
521 int result = _setmode( _fileno( stdin ), _O_BINARY );
522 if( result == -1 ) {
523 cerr << "Warning: Failed to set standard input to binary mode." << endl;
524 cerr << " Parsing of multi-part MIME will most likely fail" << endl;
525 }
526#endif
527
528 long length = content_length;
529 unsigned char * buffer = new unsigned char[content_length];
530
531 int chars_read = fread(buffer,1,content_length,stdin);
532
533 if (chars_read != content_length) {
534 cerr << "Warning: mismatch between CONTENT_LENGTH and data read from standard in" << endl;
535 }
536
537 argstr.setcarr((char *)buffer, content_length);
538
539 text_t content_type;
540 char *content_type_str = getenv("CONTENT_TYPE");
541 if (content_type_str) content_type = content_type_str;
542 argstr = parse_post_data(content_type, argstr, fileuploads, gsdlhome);
543 }
544 } else {
545 aURIStr = getenv("QUERY_STRING");
546 if ((request_method_str != NULL && strcmp(request_method_str, "GET") == 0)
547 || aURIStr != NULL) {
548 // GET form data
549 if (aURIStr != NULL) argstr = aURIStr;
550 } else {
551 // debugging from command line
552 debug = true;
553 }
554 }
555 }
556
557 if (debug) {
558 cout << "Configuring Greenstone...\n";
559 cout << flush;
560 }
561
562
563 if (errorpage.empty()) {
564
565 // initialise the library software
566 if (debug) {
567 cout << "Initializing...\n";
568 cout << flush;
569 }
570
571 text_t error_file = filename_cat (gsdlhome, "etc", "error.txt");
572 char *eout = error_file.getcstr();
573 ofstream errout (eout, ios::app);
574 delete []eout;
575 if (!recpt.init(errout)) {
576 // an error occurred during the initialisation
577 errout.close();
578 page_errorinit(gsdlhome, debug, errorpage);
579 }
580 errout.close();
581 }
582
583 if (debug && errorpage.empty()) {
584 // get query string from command line
585 print_debug_info (recpt);
586 char cinURIStr[1024];
587 cin.get(cinURIStr, 1024);
588 argstr = cinURIStr;
589 }
590
591 // cgi scripts only deal with one request
592 if (!isfastcgi) maxrequests = 1;
593
594 // Page-request loop. If this is not being run as a fastcgi
595 // process then only one request will be processed and then
596 // the process will exit.
597 while (numrequests < maxrequests) {
598#ifdef USE_FASTCGI
599 if (isfastcgi) {
600 if (FCGX_Accept(&fcgiin, &fcgiout, &fcgierr, &fcgienvp) < 0) break;
601
602 char *request_method_str = FCGX_GetParam ("REQUEST_METHOD", fcgienvp);
603 char *content_length_str = FCGX_GetParam ("CONTENT_LENGTH", fcgienvp);
604
605 if (request_method_str != NULL && strcmp(request_method_str, "POST") == 0 &&
606 content_length_str != NULL) {
607 // POST form data
608 int content_length = text_t(content_length_str).getint();
609 if (content_length > 0) {
610 argstr.clear();
611 int c;
612 do {
613 c = FCGX_GetChar (fcgiin);
614 if (c < 0) break;
615 argstr.push_back (c);
616 --content_length;
617 } while (content_length > 0);
618 }
619
620 } else {
621 // GET form data
622 aURIStr = FCGX_GetParam("QUERY_STRING", fcgienvp);
623 if (aURIStr != NULL) argstr = aURIStr;
624 else argstr = g_EmptyText;
625 }
626 }
627#endif
628
629 // get output streams ready
630#ifdef USE_FASTCGI
631 outbuf.fcgisbreset ();
632 if (isfastcgi) outbuf.set_fcgx_stream (fcgiout);
633 else outbuf.set_other_ostream (&cout);
634 ostream pageout (&outbuf);
635#else
636#define pageout cout
637#endif
638
639 // if using fastcgi we'll load environment into a map,
640 // otherwise simply pass empty map (can't get environment
641 // variables using getenv() while using FCGX versions
642 // of fastcgi - at least I can't ;-) - Stefan)
643 text_tmap fastcgienv;
644#ifdef USE_FASTCGI
645 if (isfastcgi) {
646 for(; *fcgienvp != NULL; ++fcgienvp) {
647 text_t fvalue = *fcgienvp;
648 text_t::const_iterator begin = fvalue.begin();
649 text_t::const_iterator end = fvalue.end();
650 text_t::const_iterator equals_sign = findchar (begin, end, '=');
651 if (equals_sign != end)
652 fastcgienv[substr(begin, equals_sign)] = substr(equals_sign+1, end);
653 }
654 }
655#endif
656
657 // temporarily need to configure gwcgi here when using fastcgi as I can't
658 // get it to pass the SCRIPT_NAME environment variable to the initial
659 // environment (if anyone can work out how to do this using the apache
660 // server, let me know). Note that this overrides the gwcgi field in
661 // site.cfg (which it shouldn't do) but I can't at present set gwcgi
662 // from site.cfg as I have old receptionists laying around that wouldn't
663 // appreciate it. The following 5 lines of code should be deleted once
664 // I either a: get the server to pass SCRIPT_NAME at initialization
665 // time or b: convert all the collections using old receptionists over
666 // to this version and uncomment gwcgi in the site.cfg file -- Stefan.
667#ifdef USE_FASTCGI
668 if (isfastcgi) {
669 recpt.configure("gwcgi", fastcgienv["SCRIPT_NAME"]);
670 }
671#endif
672
673
674 // if there has been no error so far, perform the production of the
675 // output page
676 if (errorpage.empty()) {
677 text_t error_file = filename_cat (gsdlhome, "etc", "error.txt");
678 char *eout = error_file.getcstr();
679 ofstream errout (eout, ios::app);
680 delete []eout;
681
682#if defined(__WIN32__) && defined(GSDL_USE_IOS_H)
683 // old Windows compilers (VC++4.2)
684 cerr = errout;
685#else
686 // can't do this anymore according to c++ standard...
687 // cerr = errout;
688 // ... but can do this instead
689 streambuf* errbuf = cerr.rdbuf(errout.rdbuf());
690#endif
691
692 // parse the cgi arguments and produce the resulting page if there
693 // has been no errors so far
694 if (!recpt.parse_cgi_args (argstr, fileuploads, args, errout, fastcgienv)) {
695 errout.close ();
696 page_errorparseargs(gsdlhome, debug, errorpage);
697 } else {
698 // produce the output page
699
700 if (!recpt.produce_cgi_page (args, pageout, errout, fastcgienv)) {
701 errout.close ();
702 page_errorcgipage(gsdlhome, debug, errorpage);
703 }
704 recpt.log_cgi_args (args, errout, fastcgienv);
705 errout.close ();
706 }
707
708#if !defined(__WIN32__) || !defined(GSDL_USE_IOS_H)
709 // restore the cerr buffer
710 cerr.rdbuf(errbuf);
711#endif
712 }
713 // clean up any files that were uploaded
714 fileupload_tmap::const_iterator this_file = fileuploads.begin();
715 fileupload_tmap::const_iterator end_file = fileuploads.end();
716 while (this_file != end_file)
717 {
718 if (file_exists((*this_file).second.tmp_name))
719 {
720 char *thefile = (*this_file).second.tmp_name.getcstr();
721 unlink(thefile);
722 delete [] thefile;
723 }
724 ++this_file;
725 }
726
727 // there was an error, output the error page
728 if (!errorpage.empty()) {
729 pageout << text_t2ascii << errorpage;
730 errorpage.clear();
731 numrequests = maxrequests; // make this the last page
732 }
733 pageout << flush;
734
735 // finish with the output streams
736#ifdef USE_FASTCGI
737 if (isfastcgi) FCGX_Finish();
738#endif
739
740 ++numrequests;
741 }
742
743 return;
744}
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