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root/proj/trunk/Search/HttpHandler.cpp

Comparing trunk/Search/HttpHandler.cpp (file contents):
Revision 14 by douglas, 2002-12-07T00:19:03-08:00 vs.
Revision 214 by douglas, 2003-07-19T22:47:26-07:00

#	Line 1 | Line 1
1		/* ============================================================================
2		* Douglas Thrift's Search Engine License
3		*
4	<	* Copyright (C) 2002, Douglas Thrift. All Rights Reserved.
4	>	* Copyright (C) 2002-2003, Douglas Thrift. All Rights Reserved.
5		* Redistribution and use in source and binary forms, with or without
6		* modification, are permitted provided that the following conditions are met:
7		*
#	Line 46 | Line 46
46		//
47		// Douglas Thrift
48		//
49	<	// HttpHandler.cpp
49	>	// $Id: HttpHandler.cpp,v 1.25 2003/07/20 05:47:26 douglas Exp $
50
51		#include "HttpHandler.h"
52
53	+	// Lovely C Sockets!
54	+	#ifndef _WIN32
55	+	// BSD Sockets
56	+	#include <unistd.h>
57	+	#include <sys/types.h>
58	+	#include <sys/socket.h>
59	+	#include <netinet/in.h>
60	+	#include <netdb.h>
61	+
62	+	inline int closesocket(SOCKET s) { return close(s); }
63	+	#endif
64	+
65		HttpHandler::HttpHandler()
66		{
67		buffer = new char[BUFSIZ + 1];
#	Line 57 | Line 69 | HttpHandler::HttpHandler()
69		#ifdef _WIN32
70		if (WSAStartup(MAKEWORD(2, 0), &data) != 0)
71		{
72	<	error(program + ": WSAStartup()");
72	>	error(program + ": WSAStartup");
73		exit(1);
74		}
75		#endif // _WIN32
76
77	<	begin = 0;
77	>	binary = false;
78	>	length = 0;
79	>	chunked = false;
80	>	#ifdef _OpenSSL_
81	>	tls = false;
82	>	#endif
83		}
84
85		HttpHandler::~HttpHandler()
#	Line 74 | Line 91 | HttpHandler::~HttpHandler()
91		#endif // _WIN32
92		}
93
94	<	bool HttpHandler::handle(URL &url, bool head)
94	>	bool HttpHandler::handle(URL &url, const string referer, bool head)
95		{
96		bool answer = false;
97
#	Line 105 | Line 122 | bool HttpHandler::handle(URL &url, bool
122		return answer;
123		}
124
125	+	#ifdef _OpenSSL_
126	+	if (url.getTls())
127	+	{
128	+	tls = true;
129	+
130	+	if (!starttls()) return answer;
131	+	}
132	+	#endif
133	+
134		if (head)
135		{
136		putline("HEAD " + url.getPath() + " HTTP/1.1");
#	Line 115 | Line 141 | bool HttpHandler::handle(URL &url, bool
141		}
142
143		putline("Accept: text/html; text/plain");
144	+	#ifndef _OpenSSL_
145		putline("User-Agent: " + agent(true) + ' ' + platform());
146
147		if (url.getPort() == 80)
148	+	#else
149	+	putline("User-Agent: " + agent(true) + ' ' + platform() + ' '
150	+	+ openssl(true));
151	+
152	+	if (url.getPort() == 80 && tls || url.getPort() == 443 && tls)
153	+	#endif
154		{
155		putline("Host: " + url.getAddress());
156		}
157		else
158		{
159	<	char* port = new char[1024];
127	<	sprintf(port, "%u", url.getPort());
159	>	ostringstream port;
160
161	<	putline("Host: " + url.getAddress() + ':' + port);
161	>	port << url.getPort();
162
163	<	delete [] port;
163	>	putline("Host: " + url.getAddress() + ':' + port.str());
164		}
165
166	<	putline();
166	>	if (referer != "")
167	>	{
168	>	putline("Referer: " + referer);
169	>	}
170
171	<	return answer;
172	<	}
171	>	putline("Connection: close");
172	>	putline();
173
174	<	HttpHandler& HttpHandler::getline(string& line, char endline)
175	<	{
141	<	int end = page.find(endline, begin);
142	<	int newline = page.find('\n', begin);
174	>	code response;
175	>	string line;
176
177	<	if (newline < end || end == string::npos)
177	>	do
178		{
179	<	end = newline;
147	<	}
179	>	line = getline();
180
181	<	line = page.substr(begin, end - begin);
181	>	if (line.find("HTTP/") != 0)
182	>	{
183	>	return answer;
184	>	}
185
186	<	if (end == string::npos)
187	<	{
188	<	begin = end;
186	>	unsigned dot = line.find('.');
187	>	unsigned space = line.find(' ');
188	>
189	>	unsigned major;
190	>	unsigned minor;
191	>
192	>	istringstream number(line.substr(5, dot - 5) + " " + line.substr(dot
193	>	+ 1, space - dot - 1));
194	>
195	>	number >> major;
196	>	number >> minor;
197	>
198	>	if (major > 1)
199	>	{
200	>	cerr << program << ": Potentially Incompatible Server: HTTP/" <<
201	>	major << "." << minor << "\n";
202	>
203	>	return answer;
204	>	}
205	>
206	>	number.clear();
207	>	number.str(line.substr(space + 1, 3));
208	>	number >> response;
209	>
210	>	if (response < ok) do line = getline(); while (line != "");
211		}
212	<	else
212	>	while (response < ok);
213	>
214	>	do
215		{
216	<	begin = end + 1;
158	<	}
216	>	line = getline();
217
218	<	return *this;
219	<	}
218	>	if (line != "")
219	>	{
220	>	unsigned colon = line.find(':');
221
222	<	bool HttpHandler::good()
223	<	{
165	<	bool answer = true;
222	>	string field = line.substr(0, colon);
223	>	string value = line.substr(colon + 1);
224
225	<	if (begin >= page.length())
226	<	{
227	<	answer = false;
225	>	while (isspace(value[0])) value.erase(0, 1);
226	>
227	>	if (field == "Content-Type")
228	>	{
229	>	type = value;
230	>	}
231	>	else if (field == "Content-Length")
232	>	{
233	>	istringstream number(value);
234	>
235	>	number >> length;
236	>	}
237	>	else if (field == "Location")
238	>	{
239	>	location = value;
240	>	}
241	>	else if (field == "Transfer-Encoding")
242	>	{
243	>	chunked = value == "chunked";
244	>	}
245	>	}
246		}
247	<	else if (begin == string::npos)
247	>	while (line != "");
248	>
249	>	switch (response)
250		{
251	<	answer = false;
251	>	case ok:
252	>	if (debug) cerr << "response = " << response << "\n";
253	>	answer = true;
254	>	break;
255	>	case choices:
256	>	case moved:
257	>	case found:
258	>	if (debug) cerr << "response = " << response << "\n"
259	>	<< "location = " << location << "\n";
260	>	location = getLink(location, url);
261	>	break;
262	>	case notfound:
263	>	case internal:
264	>	if (debug) cerr << "response = " << response << "\n";
265	>	break;
266	>	default:
267	>	if (debug) cerr << "response = " << response << "\n";
268	>	if (response <= 299)
269	>	{
270	>	answer = true;
271	>	}
272	>	else if (response <= 399)
273	>	{
274	>	location = getLink(location, url);
275	>	}
276	>	break;
277		}
278
279	+	if (!head && answer) populate();
280	+
281		return answer;
282		}
283
284		void HttpHandler::clear()
285		{
286	<	begin = 0;
287	<	page = "";
286	>	if (tls)
287	>	{
288	>	SSL_shutdown(ssl);
289	>	SSL_free(ssl);
290	>	SSL_CTX_free(ctx);
291	>	}
292	>
293	>	closesocket(http);
294	>
295	>	type = "";
296	>	length = 0;
297	>	location = "";
298	>	page.clear();
299	>	page.str("");
300	>	chunked = false;
301	>	#ifdef _OpenSSL_
302	>	tls = false;
303	>	#endif
304	>	}
305	>
306	>	void HttpHandler::populate()
307	>	{
308	>	if (!chunked)
309	>	{
310	>	unsigned left = length;
311	>
312	>	while (left > 0)
313	>	{
314	>	memset(buffer, 0, BUFSIZ + 1);
315	>
316	>	unsigned bytes = left > BUFSIZ ? BUFSIZ : left;
317	>	long received;
318	>
319	>	while (true)
320	>	{
321	>	#ifndef _OpenSSL_
322	>	if ((received = recv(http, buffer, bytes, 0)) == SOCKET_ERROR)
323	>	{
324	>	error(program + ": Recv");
325	>	exit(1);
326	>	}
327	>	#else
328	>	if ((received = !tls ? recv(http, buffer, bytes, 0) :
329	>	SSL_read(ssl, buffer, bytes)) <= 0)
330	>	{
331	>	!tls ? error(program + ": Recv") : error(program +
332	>	": SSL Read", int(received));
333	>	}
334	>	#endif
335	>	else if (received != bytes)
336	>	{
337	>	left -= received;
338	>	page << buffer;
339	>
340	>	memset(buffer, 0, BUFSIZ + 1);
341	>
342	>	bytes -= received;
343	>	}
344	>	else
345	>	{
346	>	break;
347	>	}
348	>	}
349	>
350	>	page << buffer;
351	>	left -= bytes;
352	>	}
353	>	}
354	>	else
355	>	{
356	>	unsigned chunk;
357	>
358	>	do
359	>	{
360	>	istringstream number(getline());
361	>
362	>	number.setf(ios_base::hex, ios_base::basefield);
363	>	number >> chunk;
364	>
365	>	unsigned left = chunk;
366	>
367	>	while (left > 0)
368	>	{
369	>	memset(buffer, 0, BUFSIZ + 1);
370	>
371	>	unsigned bytes = left > BUFSIZ ? BUFSIZ : left;
372	>	long received;
373	>
374	>	while (true)
375	>	{
376	>	#ifndef _OpenSSL_
377	>	if ((received = recv(http, buffer, bytes, 0)) ==
378	>	SOCKET_ERROR)
379	>	{
380	>	error(program + ": Recv");
381	>	exit(1);
382	>	}
383	>	#else
384	>	if ((received = !tls ? recv(http, buffer, bytes, 0) :
385	>	SSL_read(ssl, buffer, bytes)) <= 0)
386	>	{
387	>	!tls ? error(program + ": Recv") : error(program +
388	>	": SSL Read", int(received));
389	>	exit(1);
390	>	}
391	>	#endif
392	>	else if (received != bytes)
393	>	{
394	>	left -= received;
395	>	page << buffer;
396	>
397	>	memset(buffer, 0, BUFSIZ + 1);
398	>
399	>	bytes -= received;
400	>	}
401	>	else
402	>	{
403	>	break;
404	>	}
405	>	}
406	>
407	>	page << buffer;
408	>	left -= bytes;
409	>	}
410	>
411	>	getline();
412	>	length += chunk;
413	>	}
414	>	while (chunk > 0);
415	>	}
416	>
417	>	if (!binary)
418	>	{
419	>	string page = this->page.str();
420	>
421	>	for (unsigned index = 0; index < page.length(); index++)
422	>	{
423	>	if (page[index] == '\r' && (index + 1 < page.length()) ? page[index +
424	>	1] == '\n' : false)
425	>	{
426	>	page.erase(index, 1);
427	>	}
428	>	else if (page[index] == '\r')
429	>	{
430	>	page[index] = '\n';
431	>	}
432	>	}
433	>
434	>	this->page.str(page);
435	>	}
436		}
437
438		void HttpHandler::putline(const string line)
439		{
440		sprintf(buffer, "%s\r\n", line.c_str());
441	+
442	+	#ifndef _OpenSSL_
443		if (send(http, buffer, strlen(buffer), 0) == SOCKET_ERROR)
444		{
445		error(program + ": Send");
446		exit(1);
447		}
448	+	#else
449	+	if (!tls)
450	+	{
451	+	if (send(http, buffer, strlen(buffer), 0) == SOCKET_ERROR)
452	+	{
453	+	error(program + ": Send");
454	+	exit(1);
455	+	}
456	+	}
457	+	else
458	+	{
459	+	int number;
460	+
461	+	if ((number = SSL_write(ssl, buffer, strlen(buffer))) <= 0)
462	+	{
463	+	error(program + ": SSL Write", number);
464	+	exit(1);
465	+	}
466	+	}
467	+	#endif
468		}
469
470	<	void HttpHandler::error(const string prefix, bool host)
470	>	string HttpHandler::getline()
471	>	{
472	>	string line;
473	>	char byte;
474	>
475	>	do
476	>	{
477	>	#ifndef _OpenSSL_
478	>	if (recv(http, &byte, 1, 0) == SOCKET_ERROR)
479	>	{
480	>	error(program + ": Recv");
481	>	}
482	>	#else
483	>	if (!tls)
484	>	{
485	>	if (recv(http, &byte, 1, 0) == SOCKET_ERROR)
486	>	{
487	>	error(program + ": Recv");
488	>	}
489	>	}
490	>	else
491	>	{
492	>	int number;
493	>
494	>	if ((number = SSL_read(ssl, &byte, 1)) <= 0)
495	>	{
496	>	error(program + ": SSL Read", number);
497	>	}
498	>	}
499	>	#endif
500	>
501	>	if (byte != '\r' && byte != '\n')
502	>	{
503	>	line += byte;
504	>	}
505	>	}
506	>	while (byte != '\n');
507	>
508	>	return line;
509	>	}
510	>
511	>	void HttpHandler::error(const string& prefix, bool host)
512		{
513		#ifdef _WIN32
514		string error;
#	Line 200 | Line 516 | void HttpHandler::error(const string pre
516		switch (WSAGetLastError())
517		{
518		case WSAEACCES:
519	<	error = "Permission denied.";
519	>	error = "Permission denied";
520		break;
521		case WSAEADDRINUSE:
522	<	error = "Address already in use.";
522	>	error = "Address already in use";
523		break;
524		case WSAEADDRNOTAVAIL:
525	<	error = "Cannot assign requested address.";
525	>	error = "Cannot assign requested address";
526		break;
527		case WSAEAFNOSUPPORT:
528	<	error = "Address family not supported by protocol family.";
528	>	error = "Address family not supported by protocol family";
529		break;
530		case WSAEALREADY:
531	<	error = "Operation already in progress.";
531	>	error = "Operation already in progress";
532		break;
533		case WSAECONNABORTED:
534	<	error = "Software caused connection abort.";
534	>	error = "Software caused connection abort";
535		break;
536		case WSAECONNREFUSED:
537	<	error = "Connection refused.";
537	>	error = "Connection refused";
538		break;
539		case WSAECONNRESET:
540	<	error = "Connection reset by peer.";
540	>	error = "Connection reset by peer";
541		break;
542		case WSAEDESTADDRREQ:
543	<	error = "Destination address required.";
543	>	error = "Destination address required";
544		break;
545		case WSAEFAULT:
546	<	error = "Bad address.";
546	>	error = "Bad address";
547		break;
548		case WSAEHOSTDOWN:
549	<	error = "Host is down.";
549	>	error = "Host is down";
550		break;
551		case WSAEHOSTUNREACH:
552	<	error = "No route to host.";
552	>	error = "No route to host";
553		break;
554		case WSAEINPROGRESS:
555	<	error = "Operation now in progress.";
555	>	error = "Operation now in progress";
556		break;
557		case WSAEINTR:
558	<	error = "Interrupted function call.";
558	>	error = "Interrupted function call";
559		break;
560		case WSAEINVAL:
561	<	error = "Invalid argument.";
561	>	error = "Invalid argument";
562		break;
563		case WSAEISCONN:
564	<	error = "Socket is already connected.";
564	>	error = "Socket is already connected";
565		break;
566		case WSAEMFILE:
567	<	error = "Too many open files.";
567	>	error = "Too many open files";
568		break;
569		case WSAEMSGSIZE:
570	<	error = "Message too long.";
570	>	error = "Message too long";
571		break;
572		case WSAENETDOWN:
573	<	error = "Network is down.";
573	>	error = "Network is down";
574		break;
575		case WSAENETRESET:
576	<	error = "Network dropped connection on reset.";
576	>	error = "Network dropped connection on reset";
577		break;
578		case WSAENETUNREACH:
579	<	error = "Network is unreachable.";
579	>	error = "Network is unreachable";
580		break;
581		case WSAENOBUFS:
582	<	error = "No buffer space available.";
582	>	error = "No buffer space available";
583		break;
584		case WSAENOPROTOOPT:
585	<	error = "Bad protocol option.";
585	>	error = "Bad protocol option";
586		break;
587		case WSAENOTCONN:
588	<	error = "Socket is not connected.";
588	>	error = "Socket is not connected";
589		break;
590		case WSAENOTSOCK:
591	<	error = "Socket operation on non-socket.";
591	>	error = "Socket operation on non-socket";
592		break;
593		case WSAEOPNOTSUPP:
594	<	error = "Operation not supported.";
594	>	error = "Operation not supported";
595		break;
596		case WSAEPFNOSUPPORT:
597	<	error = "Protocol family not supported.";
597	>	error = "Protocol family not supported";
598		break;
599		case WSAEPROCLIM:
600	<	error = "Too many processes.";
600	>	error = "Too many processes";
601		break;
602		case WSAEPROTONOSUPPORT:
603	<	error = "Protocol not supported.";
603	>	error = "Protocol not supported";
604		break;
605		case WSAEPROTOTYPE:
606	<	error = "Protocol wrong type for socket.";
606	>	error = "Protocol wrong type for socket";
607		break;
608		case WSAESHUTDOWN:
609	<	error = "Cannot send after socket shutdown.";
609	>	error = "Cannot send after socket shutdown";
610		break;
611		case WSAESOCKTNOSUPPORT:
612	<	error = "Socket type not supported.";
612	>	error = "Socket type not supported";
613		break;
614		case WSAETIMEDOUT:
615	<	error = "Connection timed out.";
615	>	error = "Connection timed out";
616		break;
617		case WSATYPE_NOT_FOUND:
618	<	error = "Class type not found.";
618	>	error = "Class type not found";
619		break;
620		case WSAEWOULDBLOCK:
621	<	error = "Resource temporarily unavailable.";
621	>	error = "Resource temporarily unavailable";
622		break;
623		case WSAHOST_NOT_FOUND:
624	<	error = "Host not found.";
624	>	error = "Host not found";
625		break;
626		case WSA_INVALID_HANDLE:
627	<	error = "Specified event object handle is invalid.";
627	>	error = "Specified event object handle is invalid";
628		break;
629		case WSA_INVALID_PARAMETER:
630	<	error = "One or more parameters are invalid.";
630	>	error = "One or more parameters are invalid";
631		break;
632		//      case WSAINVALIDPROCTABLE:
633	<	//              error = "Invalid procedure table from service provider.";
633	>	//              error = "Invalid procedure table from service provider";
634		//              break;
635		//      case WSAINVALIDPROVIDER:
636	<	//              error = "Invalid service provider version number.";
636	>	//              error = "Invalid service provider version number";
637		//              break;
638		case WSA_IO_INCOMPLETE:
639	<	error = "Overlapped I/O event object not in signaled state.";
639	>	error = "Overlapped I/O event object not in signaled state";
640		break;
641		case WSA_IO_PENDING:
642	<	error = "Overlapped operations will complete later.";
642	>	error = "Overlapped operations will complete later";
643		break;
644		case WSA_NOT_ENOUGH_MEMORY:
645	<	error = "Insufficient memory available.";
645	>	error = "Insufficient memory available";
646		break;
647		case WSANOTINITIALISED:
648	<	error = "Successful WSAStartup not yet performed.";
648	>	error = "Successful WSAStartup not yet performed";
649		break;
650		case WSANO_DATA:
651	<	error = "Valid name, no data record of requested type.";
651	>	error = "Valid name, no data record of requested type";
652		break;
653		case WSANO_RECOVERY:
654	<	error = "This is a non-recoverable error.";
654	>	error = "This is a non-recoverable error";
655		break;
656		//      case WSAPROVIDERFAILEDINIT:
657	<	//              error = "Unable to initialize a service provider.";
657	>	//              error = "Unable to initialize a service provider";
658		//              break;
659		case WSASYSCALLFAILURE:
660	<	error = "System call failure.";
660	>	error = "System call failure";
661		break;
662		case WSASYSNOTREADY:
663	<	error = "Network subsystem is unavailable.";
663	>	error = "Network subsystem is unavailable";
664		break;
665		case WSATRY_AGAIN:
666	<	error = "Non-authoritative host not found.";
666	>	error = "Non-authoritative host not found";
667		break;
668		case WSAVERNOTSUPPORTED:
669	<	error = "WINSOCK.DLL version out of range.";
669	>	error = "WINSOCK.DLL version out of range";
670		break;
671		case WSAEDISCON:
672	<	error = "Graceful shutdown in progress.";
672	>	error = "Graceful shutdown in progress";
673		break;
674		case WSA_OPERATION_ABORTED:
675	<	error = "Overlapped operation aborted.";
675	>	error = "Overlapped operation aborted";
676		break;
677		default:
678	<	error = "Unknown error.";
678	>	error = "Unknown error";
679		break;
680		}
681
#	Line 367 | Line 683 | void HttpHandler::error(const string pre
683		#else
684		if (host)
685		{
686	<	herror(prefix.c_str());
686	>	string error;
687	>
688	>	switch (h_errno)
689	>	{
690	>	case HOST_NOT_FOUND:
691	>	error = "Unknown host";
692	>	break;
693	>	case TRY_AGAIN:
694	>	error = "Host name lookup failure";
695	>	break;
696	>	case NO_RECOVERY:
697	>	error = "Unknown server error";
698	>	break;
699	>	case NO_DATA:
700	>	error = "No address associated with name";
701	>	break;
702	>	default:
703	>	error = "Unknown error";
704	>	break;
705	>	}
706	>
707	>	cerr << prefix << ": " << error << "\n";
708		}
709		else
710		{
#	Line 375 | Line 712 | void HttpHandler::error(const string pre
712		}
713		#endif // _WIN32
714		}
715	+
716	+	#ifdef _OpenSSL_
717	+	void HttpHandler::error(const string& prefix, int number)
718	+	{
719	+	string error;
720	+
721	+	switch (SSL_get_error(ssl, number))
722	+	{
723	+	case SSL_ERROR_NONE:
724	+	error = "The TLS/SSL I/O operation completed";
725	+	break;
726	+	case SSL_ERROR_ZERO_RETURN:
727	+	error = "The TLS/SSL connection has been closed";
728	+	break;
729	+	case SSL_ERROR_WANT_READ:
730	+	case SSL_ERROR_WANT_WRITE:
731	+	case SSL_ERROR_WANT_CONNECT:
732	+	//      case SSL_ERROR_WANT_ACCEPT:
733	+	case SSL_ERROR_WANT_X509_LOOKUP:
734	+	error = "The operation did not complete";
735	+	break;
736	+	case SSL_ERROR_SYSCALL:
737	+	if (int err = ERR_get_error() != 0)
738	+	{
739	+	error = ERR_reason_error_string(err);
740	+	}
741	+	else
742	+	{
743	+	switch (number)
744	+	{
745	+	case 0:
746	+	error = "An EOF was observed that violates the protocol";
747	+	break;
748	+	case -1:
749	+	this->error(prefix);
750	+	return;
751	+	default:
752	+	error = "Unknown error";
753	+	break;
754	+	}
755	+	}
756	+	break;
757	+	case SSL_ERROR_SSL:
758	+	error = ERR_reason_error_string(ERR_get_error());
759	+	break;
760	+	default:
761	+	error = "Unknown error";
762	+	break;
763	+	}
764	+
765	+	cerr << prefix << ": " << error << "\n";
766	+	}
767	+
768	+	bool HttpHandler::starttls()
769	+	{
770	+	SSL_load_error_strings();
771	+	SSL_library_init();
772	+
773	+	#ifndef _urandomdev_
774	+	int pid = getpid();
775	+	int now = time(NULL);
776	+
777	+	unsigned seed = now > pid ? now - pid : pid - now;
778	+
779	+	char* junk = new char[seed % 30 + 2];
780	+	junk[0] = pid;
781	+	junk[seed % 30 + 1] = now;
782	+
783	+	srand(seed);
784	+
785	+	for (int index = 1; index < seed % 30 + 1; index++)
786	+	{
787	+	junk[index] = rand();
788	+	}
789	+
790	+	if (debug)
791	+	{
792	+	cerr << "junk = {\n";
793	+
794	+	for (int index = 1; index < seed % 30 + 2; index++)
795	+	{
796	+	cerr << "   [" << index << "] = " << int(junk[index]) << "\n";
797	+	}
798	+
799	+	cerr << "}\n";
800	+	}
801	+
802	+	RAND_seed(junk, seed % 30 + 2);
803	+
804	+	delete junk;
805	+	#else
806	+	if (debug) cerr << "junk = /dev/urandom\n";
807	+	#endif
808	+
809	+	ctx = SSL_CTX_new(TLSv1_client_method());
810	+
811	+	if (ctx == NULL)
812	+	{
813	+	cerr << program << ": SSL CTX New: "
814	+	<< ERR_reason_error_string(ERR_get_error()) << "\n";
815	+	return false;
816	+	}
817	+
818	+	ssl = SSL_new(ctx);
819	+
820	+	if (SSL_set_fd(ssl, http) == 0)
821	+	{
822	+	cerr << program << ": SSL Set FD: "
823	+	<< ERR_reason_error_string(ERR_get_error()) << "\n";
824	+	return false;
825	+	}
826	+
827	+	int number;
828	+
829	+	if ((number = SSL_connect(ssl)) <= 0)
830	+	{
831	+	error(program + ": SSL Connect", number);
832	+	return false;
833	+	}
834	+
835	+	return true;
836	+	}
837	+	#endif

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