source: gsdl/trunk/runtime-src/src/recpt/cgiwrapper.cpp@ 19046

Last change on this file since 19046 was 18882, checked in by oranfry, 15 years ago

on ubuntu the compiler complains that we need three arguments to open() - passing a sensible third argument
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File size: 23.6 KB
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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#include <cstring>
28#ifdef __WIN32__
29#include <fcntl.h>
30#endif
31
32#include "gsdlconf.h"
33#include "cgiwrapper.h"
34#include "gsdlsitecfg.h"
35#include "maincfg.h"
36#include "fileutil.h"
37#include "cgiutils.h"
38#include <stdlib.h>
39#include <assert.h>
40
41#if defined(GSDL_USE_OBJECTSPACE)
42# include <ospace/std/iostream>
43# include <ospace/std/fstream>
44#elif defined(GSDL_USE_IOS_H)
45# include <iostream.h>
46# include <fstream.h>
47#else
48# include <iostream>
49# include <fstream>
50#endif
51
52#ifdef USE_FASTCGI
53#include "fcgiapp.h"
54#endif
55
56
57#ifdef USE_FASTCGI
58// used to output the text from receptionist
59class fcgistreambuf : public streambuf {
60public:
61 fcgistreambuf ();
62 int sync ();
63 int overflow (int ch);
64 int underflow () {return EOF;}
65
66 void fcgisbreset() {fcgx_stream = NULL; other_ostream = NULL;};
67 void set_fcgx_stream(FCGX_Stream *newone) {fcgx_stream=newone;};
68 void set_other_ostream(ostream *newone) {other_ostream=newone;};
69
70private:
71 FCGX_Stream *fcgx_stream;
72 ostream *other_ostream;
73};
74
75fcgistreambuf::fcgistreambuf() {
76 fcgisbreset();
77 if (base() == ebuf()) allocate();
78 setp (base(), ebuf());
79};
80
81int fcgistreambuf::sync () {
82 if ((fcgx_stream != NULL) &&
83 (FCGX_PutStr (pbase(), out_waiting(), fcgx_stream) < 0)) {
84 fcgx_stream = NULL;
85 }
86
87 if (other_ostream != NULL) {
88 char *thepbase=pbase();
89 for (int i=0;i<out_waiting();++i) (*other_ostream).put(thepbase[i]);
90 }
91
92 setp (pbase(), epptr());
93
94 return 0;
95}
96
97int fcgistreambuf::overflow (int ch) {
98 if (sync () == EOF) return EOF;
99 if (ch != EOF) sputc (ch);
100 return 0;
101}
102
103#endif
104
105static void format_error_string (text_t &errorpage, const text_t &errortext, bool debug) {
106
107 errorpage.clear();
108
109 if (debug) {
110 errorpage += "\n";
111 errorpage += "ERROR: " + errortext;
112 errorpage += "\n";
113
114 } else {
115
116 errorpage += "Content-type: text/html\n\n";
117
118 errorpage += "<html>\n";
119 errorpage += "<head>\n";
120 errorpage += "<title>Error</title>\n";
121 errorpage += "</head>\n";
122 errorpage += "<body>\n";
123 errorpage += "<h2>Oops!</h2>\n";
124 errorpage += errortext;
125 errorpage += "</body>\n";
126 errorpage += "</html>\n";
127 }
128}
129
130static void page_errorcollect (const text_t &gsdlhome, text_t &errorpage, bool debug) {
131
132 text_t collecthome = filename_cat (gsdlhome, "collect");
133
134 text_t errortext = "No valid collections were found: Check that your collect directory\n";
135 errortext += "(" + collecthome + ") is readable and contains at least one valid collection.\n";
136 errortext += "Note that modelcol is NOT a valid collection.\n";
137 errortext += "If the path to your collect directory is wrong edit the 'gsdlhome' field\n";
138 errortext += "in your gsdlsite.cfg configuration file.\n";
139
140 format_error_string (errorpage, errortext, debug);
141}
142
143static void page_errorsitecfg (text_t &errorpage, bool debug, int mode) {
144
145 text_t errortext;
146
147 if (mode == 0) {
148 errortext += "The gsdlsite.cfg configuration file could not be found. This\n";
149 errortext += "file should contain configuration information relating to this\n";
150 errortext += "site's setup.\n";
151
152 } else if (mode == 1) {
153 errortext += "The gsdlsite.cfg configuration file does not contain a valid\n";
154 errortext += "gsdlhome entry.\n";
155 }
156
157 if (debug) {
158 errortext += "gsdlsite.cfg should reside in the directory from which the\n";
159 errortext += "library executable was run.\n";
160 } else {
161 errortext += "gsdlsite.cfg should reside in the same directory as the library\n";
162 errortext += "executable file.\n";
163 }
164
165 format_error_string (errorpage, errortext, debug);
166}
167
168
169static void page_errormaincfg (const text_t &gsdlhome, const text_t &collection,
170 bool debug, text_t &errorpage) {
171
172 text_t errortext;
173
174 if (collection.empty()) {
175 text_t main_cfg_file = filename_cat (gsdlhome, "etc", "main.cfg");
176 errortext += "The main.cfg configuration file could not be found. This file\n";
177 errortext += "should contain configuration information relating to the\n";
178 errortext += "setup of the interface. As this receptionist is not being run\n";
179 errortext += "in collection specific mode the file should reside at\n";
180 errortext += main_cfg_file + ".\n";
181 } else {
182 text_t collect_cfg_file = filename_cat (gsdlhome, "collect", collection, "etc", "collect.cfg");
183 text_t main_collect_cfg_file = filename_cat (gsdlhome, "etc", "collect.cfg");
184 text_t main_cfg_file = filename_cat (gsdlhome, "etc", "main.cfg");
185 errortext += "Either the collect.cfg or main.cfg configuration file could\n";
186 errortext += "not be found. This file should contain configuration information\n";
187 errortext += "relating to the setup of the interface. As this receptionist is\n";
188 errortext += "being run in collection specific mode the file should reside\n";
189 errortext += "at either " + collect_cfg_file + ",\n";
190 errortext += main_collect_cfg_file + " or " + main_cfg_file + ".\n";
191 }
192
193 format_error_string (errorpage, errortext, debug);
194}
195
196
197static void page_errorinit (const text_t &gsdlhome, bool debug, text_t &errorpage) {
198
199 text_t errortext = "An error occurred during the initialisation of the Greenstone Digital\n";
200 errortext += "Library software. It is likely that the software has not been setup\n";
201 errortext += "correctly.\n";
202
203 text_t error_file = filename_cat (gsdlhome, "etc", "error.txt");
204 char *efile = error_file.getcstr();
205 ifstream errin (efile);
206 delete []efile;
207 if (errin) {
208 errortext += "The error log, " + error_file + ", contains the\n";
209 errortext += "following information:\n\n";
210 if (!debug) errortext += "<pre>\n";
211
212 char c;
213 errin.get(c);
214 while (!errin.eof ()) {
215 errortext.push_back(c);
216 errin.get(c);
217 }
218
219 if (!debug) errortext += "</pre>\n";
220
221 errin.close();
222
223 } else {
224 errortext += "Please consult " + error_file + " for more information.\n";
225 }
226
227 format_error_string (errorpage, errortext, debug);
228}
229
230static void page_errorparseargs (const text_t &gsdlhome, bool debug, text_t &errorpage) {
231
232 text_t errortext = "An error occurred during the parsing of the cgi arguments.\n";
233
234 text_t error_file = filename_cat (gsdlhome, "etc", "error.txt");
235 char *efile = error_file.getcstr();
236 ifstream errin (efile);
237 delete []efile;
238 if (errin) {
239 errortext += "The error log, " + error_file + ", contains the\n";
240 errortext += "following information:\n\n";
241 if (!debug) errortext += "<pre>\n";
242
243 char c;
244 errin.get(c);
245 while (!errin.eof ()) {
246 errortext.push_back(c);
247 errin.get(c);
248 }
249 if (!debug) errortext += "</pre>\n";
250 errin.close();
251
252 } else {
253 errortext += "Please consult " + error_file + " for more information.\n";
254 }
255
256 format_error_string (errorpage, errortext, debug);
257}
258
259static void page_errorcgipage (const text_t &gsdlhome, bool debug, text_t &errorpage) {
260
261 text_t errortext = "An error occurred during the construction of the cgi page.\n";
262
263 text_t error_file = filename_cat (gsdlhome, "etc", "error.txt");
264 char *efile = error_file.getcstr();
265 ifstream errin (efile);
266 delete []efile;
267 if (errin) {
268 errortext += "The error log, " + error_file + ", contains the\n";
269 errortext += "following information:\n\n";
270 if (!debug) errortext += "<pre>\n";
271
272 char c;
273 errin.get(c);
274 while (!errin.eof ()) {
275 errortext.push_back(c);
276 errin.get(c);
277 }
278 if (!debug) errortext += "</pre>\n";
279 errin.close();
280
281 } else {
282 errortext += "Please consult " + error_file + " for more information.\n";
283 }
284
285 format_error_string (errorpage, errortext, debug);
286}
287
288static void print_debug_info (receptionist &recpt) {
289
290 outconvertclass text_t2ascii;
291 const recptconf &configinfo = recpt.get_configinfo ();
292 text_t etc_dir = filename_cat (configinfo.gsdlhome, "etc");
293
294 cout << "\n";
295 cout << text_t2ascii
296 << "------------------------------------------------------------\n"
297 << "Configuration and initialization completed successfully.\n"
298 << " Note that more debug information may be available in the\n"
299 << " initialization and error log error.txt in " << etc_dir << ".\n"
300 << "------------------------------------------------------------\n\n";
301
302 bool colspec = false;
303 if (configinfo.collection.empty()) {
304 cout << "Receptionist is running in \"general\" (i.e. not \"collection "
305 << "specific\") mode.\n";
306 } else {
307 cout << text_t2ascii
308 << "Receptionist is running in \"collection specific\" mode.\n"
309 << " collection=" << configinfo.collection << "\n"
310 << " collection directory=" << configinfo.collectdir << "\n";
311 colspec = true;
312 }
313
314 cout << text_t2ascii << " gsdlhome=" << configinfo.gsdlhome << "\n";
315 if (!configinfo.collecthome.empty())
316 cout << text_t2ascii << " collecthome=" << configinfo.collecthome << "\n";
317 if (!configinfo.dbhome.empty())
318 cout << text_t2ascii << " dbhome=" << configinfo.dbhome << "\n";
319 cout << text_t2ascii << " httpprefix=" << configinfo.httpprefix << "\n";
320 cout << text_t2ascii << " httpimg=" << configinfo.httpimg << "\n";
321 cout << text_t2ascii << " gwcgi=" << configinfo.gwcgi << "\n\n"
322 << " Note that unless gwcgi has been set from a configuration\n"
323 << " file it is dependent on environment variables set by your\n"
324 << " webserver. Therefore it may not have the same value when run\n"
325 << " from the command line as it would be when run from your\n"
326 << " web server.\n";
327 if (configinfo.usecookies)
328 cout << "cookies are enabled\n";
329 else
330 cout << "cookies are disabled\n";
331 if (configinfo.logcgiargs)
332 cout << "logging is enabled\n";
333 else
334 cout << "logging is disabled\n";
335 cout << "------------------------------------------------------------\n\n";
336
337 text_tset::const_iterator this_mfile = configinfo.macrofiles.begin();
338 text_tset::const_iterator end_mfile = configinfo.macrofiles.end();
339 cout << "Macro Files:\n"
340 << "------------\n";
341 text_t mfile;
342 bool found;
343 while (this_mfile != end_mfile) {
344 cout << text_t2ascii << *this_mfile;
345 int spaces = (22 - (*this_mfile).size());
346 if (spaces < 2) spaces = 2;
347 text_t outspaces;
348 for (int i = 0; i < spaces; ++i) outspaces.push_back (' ');
349 cout << text_t2ascii << outspaces;
350
351 found = false;
352 if (colspec) {
353 // collection specific - try collectdir/macros first
354 mfile = filename_cat (configinfo.collectdir, "macros", *this_mfile);
355 if (file_exists (mfile)) {
356 cout << text_t2ascii << "found (" << mfile << ")\n";
357 found = true;
358 }
359 }
360
361 if (!found) {
362 // try main macro directory
363 mfile = filename_cat (configinfo.gsdlhome, "macros", *this_mfile);
364 if (file_exists (mfile)) {
365 cout << text_t2ascii << "found (" << mfile << ")\n";
366 found = true;
367 }
368 }
369
370 if (!found)
371 cout << text_t2ascii << "NOT FOUND\n";
372
373 ++this_mfile;
374 }
375
376 cout << "------------------------------------------------------------\n\n"
377 << "Collections:\n"
378 << "------------\n"
379 << " Note that collections will only appear as \"running\" if\n"
380 << " their build.cfg files exist, are readable, contain a valid\n"
381 << " builddate field (i.e. > 0), and are in the collection's\n"
382 << " index directory (i.e. NOT the building directory)\n\n";
383
384 recptprotolistclass *protos = recpt.get_recptprotolist_ptr();
385 recptprotolistclass::iterator rprotolist_here = protos->begin();
386 recptprotolistclass::iterator rprotolist_end = protos->end();
387
388 bool is_z3950 = false;
389 bool found_valid_col = false;
390
391
392 while (rprotolist_here != rprotolist_end) {
393 comerror_t err;
394 if ((*rprotolist_here).p == NULL) continue;
395 else if (is_z3950==false &&
396 (*rprotolist_here).p->get_protocol_name(err) == "z3950proto") {
397 cout << "\nZ39.50 Servers: (always public)\n"
398 << "---------------\n";
399 is_z3950=true;
400 }
401
402 text_tarray collist;
403 (*rprotolist_here).p->get_collection_list (collist, err, cerr);
404 if (err == noError) {
405 text_tarray::iterator collist_here = collist.begin();
406 text_tarray::iterator collist_end = collist.end();
407
408 while (collist_here != collist_end) {
409
410 cout << text_t2ascii << *collist_here;
411
412 int spaces = (22 - (*collist_here).size());
413 if (spaces < 2) spaces = 2;
414 text_t outspaces;
415 for (int i = 0; i < spaces; ++i) outspaces.push_back (' ');
416 cout << text_t2ascii << outspaces;
417
418 ColInfoResponse_t *cinfo = recpt.get_collectinfo_ptr ((*rprotolist_here).p, *collist_here, cerr);
419 if (cinfo != NULL) {
420 if (cinfo->isPublic) cout << "public ";
421 else cout << "private";
422
423 if (cinfo->buildDate > 0) {
424 cout << " running ";
425 found_valid_col = true;
426 } else {
427 cout << " not running";
428 }
429 }
430
431 cout << "\n";
432
433 ++collist_here;
434 }
435 }
436 is_z3950=false;
437 ++rprotolist_here;
438 } // end of while loop
439
440 if (!found_valid_col) {
441 cout << "WARNING: No \"running\" collections were found. You need to\n";
442 cout << " build one of the above collections\n";
443 }
444
445 cout << "\n------------------------------------------------------------\n";
446 cout << "------------------------------------------------------------\n\n";
447 cout << "receptionist running in command line debug mode\n";
448 cout << "enter cgi arguments as name=value pairs (e.g. 'a=p&p=home'):\n";
449
450}
451
452// cgiwrapper does everything necessary to output a page
453// using the cgi protocol. If this is being run for a particular
454// collection then "collection" should be set, otherwise it
455// should equal "".
456void cgiwrapper (receptionist &recpt, text_t collection) {
457 int numrequests = 0;
458 bool debug = false;
459 const recptconf &configinfo = recpt.get_configinfo ();
460
461 // find out whether this is being run as a cgi-script
462 // or a fastcgi script
463#ifdef USE_FASTCGI
464 fcgistreambuf outbuf;
465 int isfastcgi = !FCGX_IsCGI();
466 FCGX_Stream *fcgiin, *fcgiout, *fcgierr;
467 FCGX_ParamArray fcgienvp;
468#else
469 int isfastcgi = 0;
470#endif
471
472 // we need gsdlhome to do fileupload stuff, so moved this configure stuff before the get argstr stuff
473 // init stuff - we can't output error pages directly with
474 // fastcgi so the pages are stored until we can output them
475 text_t errorpage;
476 outconvertclass text_t2ascii;
477
478 // set defaults
479 int maxrequests = 10000;
480 recpt.configure ("collection", collection);
481 recpt.configure ("httpimg", "/gsdl/images");
482 char *script_name = getenv("SCRIPT_NAME");
483 if (script_name != NULL) recpt.configure("gwcgi", script_name);
484 else recpt.configure("gwcgi", "/gsdl");
485
486 // read in the configuration files.
487 text_t gsdlhome;
488 text_t collecthome;
489 configurator gsdlconfigurator(&recpt);
490 if (!site_cfg_read (gsdlconfigurator, gsdlhome, collecthome, maxrequests)) {
491 // couldn't find the site configuration file
492 page_errorsitecfg (errorpage, debug, 0);
493 } else if (gsdlhome.empty()) {
494 // no gsdlhome in gsdlsite.cfg
495 page_errorsitecfg (errorpage, debug, 1);
496 } else if (!directory_exists(gsdlhome)) {
497 // gsdlhome not a valid directory
498 page_errorsitecfg (errorpage, debug, 1);
499 } else if (!main_cfg_read (recpt, gsdlhome, collecthome, collection)) {
500 // couldn't find the main configuration file
501 page_errormaincfg (gsdlhome, collection, debug, errorpage);
502 } else if (configinfo.collectinfo.empty() && false) { // commented out for corba
503 // don't have any collections
504 page_errorcollect (gsdlhome, errorpage, debug);
505 }
506 // get the query string if it is not being run as a fastcgi
507 // script
508 text_t argstr = g_EmptyText;
509 fileupload_tmap fileuploads;
510 cgiargsclass args;
511 char *aURIStr;
512 if (!isfastcgi) {
513 char *request_method_str = getenv("REQUEST_METHOD");
514 char *content_length_str = getenv("CONTENT_LENGTH");
515 if (request_method_str != NULL && strcmp(request_method_str, "POST") == 0 &&
516 content_length_str != NULL) {
517 // POST form data
518 long content_length = (content_length_str ? atoi(content_length_str) : 0);
519 if (content_length > 0) {
520#ifdef __WIN32__
521 // On Windows it is important that standard input be read in binary
522 // mode, otherwise end of line "<CR><LF>" is turned into <LF> only
523 // which breaks the MIME standard (and our parsing code!)
524
525 int result = _setmode( _fileno( stdin ), _O_BINARY );
526 if( result == -1 ) {
527 cerr << "Warning: Failed to set standard input to binary mode." << endl;
528 cerr << " Parsing of multi-part MIME will most likely fail" << endl;
529 }
530#endif
531
532 long length = content_length;
533 unsigned char * buffer = new unsigned char[content_length];
534
535 int chars_read = fread(buffer,1,content_length,stdin);
536
537 if (chars_read != content_length) {
538 cerr << "Warning: mismatch between CONTENT_LENGTH and data read from standard in" << endl;
539 }
540
541 argstr.setcarr((char *)buffer, content_length);
542
543 text_t content_type;
544 char *content_type_str = getenv("CONTENT_TYPE");
545 if (content_type_str) content_type = content_type_str;
546 argstr = parse_post_data(content_type, argstr, fileuploads, gsdlhome);
547 }
548 } else {
549 aURIStr = getenv("QUERY_STRING");
550 if ((request_method_str != NULL && strcmp(request_method_str, "GET") == 0)
551 || aURIStr != NULL) {
552 // GET form data
553 if (aURIStr != NULL) argstr = aURIStr;
554 } else {
555 // debugging from command line
556 debug = true;
557 }
558 }
559 }
560
561 if (debug) {
562 cout << "Configuring Greenstone...\n";
563 cout << flush;
564 }
565
566
567 if (errorpage.empty()) {
568
569 // initialise the library software
570 if (debug) {
571 cout << "Initializing...\n";
572 cout << flush;
573 }
574
575 text_t error_file = filename_cat (gsdlhome, "etc", "error.txt");
576 char *eout = error_file.getcstr();
577 ofstream errout (eout, ios::app);
578 delete []eout;
579 if (!recpt.init(errout)) {
580 // an error occurred during the initialisation
581 errout.close();
582 page_errorinit(gsdlhome, debug, errorpage);
583 }
584 errout.close();
585 }
586
587 if (debug && errorpage.empty()) {
588 // get query string from command line
589 print_debug_info (recpt);
590 char cinURIStr[1024];
591 cin.get(cinURIStr, 1024);
592 argstr = cinURIStr;
593 }
594
595 // cgi scripts only deal with one request
596 if (!isfastcgi) maxrequests = 1;
597
598 // Page-request loop. If this is not being run as a fastcgi
599 // process then only one request will be processed and then
600 // the process will exit.
601 while (numrequests < maxrequests) {
602#ifdef USE_FASTCGI
603 if (isfastcgi) {
604 if (FCGX_Accept(&fcgiin, &fcgiout, &fcgierr, &fcgienvp) < 0) break;
605
606 char *request_method_str = FCGX_GetParam ("REQUEST_METHOD", fcgienvp);
607 char *content_length_str = FCGX_GetParam ("CONTENT_LENGTH", fcgienvp);
608
609 if (request_method_str != NULL && strcmp(request_method_str, "POST") == 0 &&
610 content_length_str != NULL) {
611 // POST form data
612 int content_length = text_t(content_length_str).getint();
613 if (content_length > 0) {
614 argstr.clear();
615 int c;
616 do {
617 c = FCGX_GetChar (fcgiin);
618 if (c < 0) break;
619 argstr.push_back (c);
620 --content_length;
621 } while (content_length > 0);
622 }
623
624 } else {
625 // GET form data
626 aURIStr = FCGX_GetParam("QUERY_STRING", fcgienvp);
627 if (aURIStr != NULL) argstr = aURIStr;
628 else argstr = g_EmptyText;
629 }
630 }
631#endif
632
633 // get output streams ready
634#ifdef USE_FASTCGI
635 outbuf.fcgisbreset ();
636 if (isfastcgi) outbuf.set_fcgx_stream (fcgiout);
637 else outbuf.set_other_ostream (&cout);
638 ostream pageout (&outbuf);
639#else
640#define pageout cout
641#endif
642
643 // if using fastcgi we'll load environment into a map,
644 // otherwise simply pass empty map (can't get environment
645 // variables using getenv() while using FCGX versions
646 // of fastcgi - at least I can't ;-) - Stefan)
647 text_tmap fastcgienv;
648#ifdef USE_FASTCGI
649 if (isfastcgi) {
650 for(; *fcgienvp != NULL; ++fcgienvp) {
651 text_t fvalue = *fcgienvp;
652 text_t::const_iterator begin = fvalue.begin();
653 text_t::const_iterator end = fvalue.end();
654 text_t::const_iterator equals_sign = findchar (begin, end, '=');
655 if (equals_sign != end)
656 fastcgienv[substr(begin, equals_sign)] = substr(equals_sign+1, end);
657 }
658 }
659#endif
660
661 // temporarily need to configure gwcgi here when using fastcgi as I can't
662 // get it to pass the SCRIPT_NAME environment variable to the initial
663 // environment (if anyone can work out how to do this using the apache
664 // server, let me know). Note that this overrides the gwcgi field in
665 // site.cfg (which it shouldn't do) but I can't at present set gwcgi
666 // from site.cfg as I have old receptionists laying around that wouldn't
667 // appreciate it. The following 5 lines of code should be deleted once
668 // I either a: get the server to pass SCRIPT_NAME at initialization
669 // time or b: convert all the collections using old receptionists over
670 // to this version and uncomment gwcgi in the site.cfg file -- Stefan.
671#ifdef USE_FASTCGI
672 if (isfastcgi) {
673 recpt.configure("gwcgi", fastcgienv["SCRIPT_NAME"]);
674 }
675#endif
676
677
678 // if there has been no error so far, perform the production of the
679 // output page
680 if (errorpage.empty()) {
681 text_t error_file = filename_cat (gsdlhome, "etc", "error.txt");
682 char *eout = error_file.getcstr();
683 ofstream errout (eout, ios::app);
684 delete []eout;
685
686#if defined(__WIN32__) && defined(GSDL_USE_IOS_H)
687 // old Windows compilers (VC++4.2)
688 cerr = errout;
689#else
690 // can't do this anymore according to c++ standard...
691 // cerr = errout;
692 // ... but can do this instead
693 streambuf* errbuf = cerr.rdbuf(errout.rdbuf());
694#endif
695
696 // parse the cgi arguments and produce the resulting page if there
697 // has been no errors so far
698 if (!recpt.parse_cgi_args (argstr, fileuploads, args, errout, fastcgienv)) {
699 errout.close ();
700 page_errorparseargs(gsdlhome, debug, errorpage);
701 } else {
702 // produce the output page
703
704 if (!recpt.produce_cgi_page (args, pageout, errout, fastcgienv)) {
705 errout.close ();
706 page_errorcgipage(gsdlhome, debug, errorpage);
707 }
708 recpt.log_cgi_args (args, errout, fastcgienv);
709 errout.close ();
710 }
711
712#if !defined(__WIN32__) || !defined(GSDL_USE_IOS_H)
713 // restore the cerr buffer
714 cerr.rdbuf(errbuf);
715#endif
716 }
717 // clean up any files that were uploaded
718 fileupload_tmap::const_iterator this_file = fileuploads.begin();
719 fileupload_tmap::const_iterator end_file = fileuploads.end();
720 while (this_file != end_file)
721 {
722 if (file_exists((*this_file).second.tmp_name))
723 {
724 char *thefile = (*this_file).second.tmp_name.getcstr();
725 unlink(thefile);
726 delete [] thefile;
727 }
728 ++this_file;
729 }
730
731 // there was an error, output the error page
732 if (!errorpage.empty()) {
733 pageout << text_t2ascii << errorpage;
734 errorpage.clear();
735 numrequests = maxrequests; // make this the last page
736 }
737 pageout << flush;
738
739 // finish with the output streams
740#ifdef USE_FASTCGI
741 if (isfastcgi) FCGX_Finish();
742#endif
743
744 ++numrequests;
745 }
746
747 return;
748}
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