ViewVC Help

View File | Revision Log | Show Annotations | Download File | View Changeset | Root Listing

root/proj/trunk/Search/HttpHandler.cpp

Comparing trunk/Search/HttpHandler.cpp (file contents):
Revision 1 by douglas, 2002-12-04T20:22:59-08:00 vs.
Revision 350 by Douglas Thrift, 2004-05-27T20:29:11-07:00

#	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) 2002-2004, 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	>	// $Id$
50
51	<	#include "HttpHandler.h"
51	>	#include "HttpHandler.hpp"
52
53	<	#ifdef _WIN32
54	<	#define PATH_SEPARATOR "\\"
55	<	#define ENV_SEPARATOR ';'
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	>	#ifndef _OpenSSL_
66	>	HttpHandler::HttpHandler() : binary(false), length(0), chunked(false)
67		#else
68	<	#define PATH_SEPARATOR "/"
69	<	#define ENV_SEPARATOR ':'
68	>	HttpHandler::HttpHandler() : binary(false), length(0), chunked(false),
69	>	tls(false)
70		#endif
71	+	{
72	+	#ifdef _WIN32
73	+	if (WSAStartup(MAKEWORD(2, 0), &data) != 0)
74	+	{
75	+	error(program + ": WSAStartup");
76	+	exit(1);
77	+	}
78	+	#endif // _WIN32
79	+	}
80
81	<	HttpHandler::HttpHandler()
81	>	HttpHandler::~HttpHandler()
82		{
83	<	string arguments = "(Ljava/lang/String;ILjava/lang/String;Ljava/lang/Strin"
84	<	+ string("g;Ljava/lang/String;)Ljava/lang/String;");
83	>	#ifdef _WIN32
84	>	WSACleanup();
85	>	#endif // _WIN32
86	>	}
87
88	<	begin = 0;
88	>	bool HttpHandler::handle(URL &url, const string referer, bool head)
89	>	{
90	>	bool answer(false);
91
92	<	setJarPath();
92	>	if ((http = socket(PF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
93	>	{
94	>	error(program + ": Socket");
95	>	exit(1);
96	>	}
97
98	<	//      options[0].optionString = jarPath;
99	<	//      memset(&vm_args, 0, sizeof (vm_args));
72	<	//      vm_args.version = JNI_VERSION_1_4;
73	<	//      vm_args.nOptions = 1;
74	<	//      vm_args.options = options;
98	>	sockaddr_in address;
99	>	hostent* host;
100
101	<	//      status = JNI_CreateJavaVM(&jvm, (void**)&env, &vm_args);
101	>	address.sin_family = AF_INET;
102
103	<	//      if (status != JNI_ERR)
104	<	//      {
105	<	//              cls = env->FindClass("HttpConnector");
103	>	if ((host = gethostbyname(url.getAddress().c_str())) == NULL)
104	>	{
105	>	error(program + ": Host: " + url.getAddress(), true);
106
107	<	//              if (cls != 0)
108	<	//              {
84	<	//                      mid = env->GetStaticMethodID(cls, "connect", arguments.c_str());
85	<	//              }
86	<	//      }
87	<	}
107	>	return answer;
108	>	}
109
110	<	HttpHandler::~HttpHandler()
111	<	{
91	<	//      if (status != JNI_ERR)
92	<	//      {
93	<	//              jvm->DestroyJavaVM();
94	<	//      }
95	<
96	<	//      delete [] jarPath;
97	<	}
98	<
99	<	bool HttpHandler::connect(URL& url)
100	<	{
101	<	bool answer = false;
102	<
103	<	//      if (status != JNI_ERR)
104	<	//      {
105	<	//              if (cls != 0)
106	<	//              {
107	<	//                      if (mid != 0)
108	<	//                      {
109	<	//                              jstring addressJ = env->NewStringUTF(url.getAddress().c_str());
110	<	//                              jint portJ = url.getPort();
111	<	//                              jstring pathJ = env->NewStringUTF(url.getPath().c_str());
112	<	//                              jstring programNameJ = env->NewStringUTF(programName.c_str());
113	<	//                              jstring programVersionJ =
114	<	//                                      env->NewStringUTF(programVersion.c_str());
115	<
116	<	//                              jstring pageJ = (jstring)env->CallStaticObjectMethod(cls, mid,
117	<	//                                      addressJ, portJ, pathJ, programNameJ, programVersionJ);
118	<
119	<	//                              const char* pageC = env->GetStringUTFChars(pageJ, 0);
120	<	//                              page = pageC;
121	<	//                              env->ReleaseStringUTFChars(pageJ, pageC);
122	<
123	<	//                              if (page != "unknown host\n" && page != "io exception\n" &&
124	<	//                                      page != "bad headers\n") answer = true;
125	<	//                      }
126	<	//              }
127	<	//      }
110	>	address.sin_addr = *((in_addr*)*host->h_addr_list);
111	>	address.sin_port = htons(url.getPort());
112
113	<	return answer;
114	<	}
113	>	if (connect(http, (sockaddr*)&address, sizeof(sockaddr_in)) ==
114	>	SOCKET_ERROR)
115	>	{
116	>	error(program + ": Connect");
117
118	<	HttpHandler& HttpHandler::getline(string& line, char endline)
119	<	{
134	<	int end = page.find(endline, begin);
135	<	int newline = page.find('\n', begin);
118	>	return answer;
119	>	}
120
121	<	if (newline < end || end == string::npos)
121	>	#ifdef _OpenSSL_
122	>	if (url.getTls())
123		{
124	<	end = newline;
124	>	tls = true;
125	>
126	>	if (!starttls()) return answer;
127		}
128	+	#endif
129
130	<	line = page.substr(begin, end - begin);
130	>	if (head)
131	>	{
132	>	putline("HEAD " + url.getPath() + " HTTP/1.1");
133	>	}
134	>	else
135	>	{
136	>	putline("GET " + url.getPath() + " HTTP/1.1");
137	>	}
138	>
139	>	putline("Accept: text/html; text/plain");
140	>	#ifndef _OpenSSL_
141	>	putline("User-Agent: " + agent(true) + ' ' + platform());
142
143	<	if (end == string::npos)
143	>	if (url.getPort() == 80)
144	>	#else
145	>	putline("User-Agent: " + agent(true) + ' ' + platform() + ' '
146	>	+ openssl(true));
147	>
148	>	if (url.getPort() == 80 && tls || url.getPort() == 443 && tls)
149	>	#endif
150		{
151	<	begin = end;
151	>	putline("Host: " + url.getAddress());
152		}
153		else
154		{
155	<	begin = end + 1;
155	>	ostringstream port;
156	>
157	>	port << url.getPort();
158	>
159	>	putline("Host: " + url.getAddress() + ':' + port.str());
160		}
161
162	<	return *this;
163	<	}
162	>	if (referer != "")
163	>	{
164	>	putline("Referer: " + referer);
165	>	}
166
167	<	bool HttpHandler::good()
168	<	{
169	<	bool answer = true;
167	>	putline("Connection: close");
168	>	putline();
169	>
170	>	code response;
171	>	string line;
172
173	<	if (begin >= page.length())
173	>	do
174		{
175	<	answer = false;
175	>	line = getline();
176	>
177	>	if (line.find("HTTP/") != 0) return answer;
178	>
179	>	unsigned dot(line.find('.')), space(line.find(' ')), major, minor;
180	>	istringstream number(line.substr(5, dot - 5) + " " + line.substr(dot
181	>	+ 1, space - dot - 1));
182	>
183	>	number >> major;
184	>	number >> minor;
185	>
186	>	if (major > 1)
187	>	{
188	>	cerr << program << ": Potentially Incompatible Server: HTTP/" <<
189	>	major << "." << minor << "\n";
190	>
191	>	return answer;
192	>	}
193	>
194	>	number.clear();
195	>	number.str(line.substr(space + 1, 3));
196	>
197	>	number >> response;
198	>
199	>	if (response < ok) do line = getline(); while (line != "");
200	>	}
201	>	while (response < ok);
202	>
203	>	do
204	>	{
205	>	line = getline();
206	>
207	>	if (line != "")
208	>	{
209	>	unsigned colon(line.find(':'));
210	>	string field(line.substr(0, colon)), value(line.substr(colon + 1));
211	>
212	>	while (isspace(value[0])) value.erase(0, 1);
213	>
214	>	if (field == "Content-Type")
215	>	{
216	>	type = value;
217	>	}
218	>	else if (field == "Content-Length")
219	>	{
220	>	istringstream number(value);
221	>
222	>	number >> length;
223	>	}
224	>	else if (field == "Location")
225	>	{
226	>	location = value;
227	>	}
228	>	else if (field == "Transfer-Encoding")
229	>	{
230	>	chunked = value == "chunked";
231	>	}
232	>	}
233		}
234	<	else if (begin == string::npos)
234	>	while (line != "");
235	>
236	>	switch (response)
237		{
238	<	answer = false;
238	>	case ok:
239	>	if (debug) cerr << "response = " << response << "\n";
240	>
241	>	answer = true;
242	>	break;
243	>	case choices:
244	>	case moved:
245	>	case found:
246	>	if (debug) cerr << "response = " << response << "\n"
247	>	<< "location = " << location << "\n";
248	>
249	>	location = getLink(location, url);
250	>	break;
251	>	case notfound:
252	>	case internal:
253	>	if (debug) cerr << "response = " << response << "\n";
254	>	break;
255	>	default:
256	>	if (debug) cerr << "response = " << response << "\n";
257	>
258	>	if (response <= 299) answer = true; else if (response <= 399)
259	>	{
260	>	location = getLink(location, url);
261	>	}
262	>	break;
263		}
264
265	+	if (!head && answer) populate();
266	+
267		return answer;
268		}
269
270		void HttpHandler::clear()
271		{
272	<	begin = 0;
273	<	page = "";
272	>	#ifdef _OpenSSL_
273	>	if (tls)
274	>	{
275	>	SSL_shutdown(ssl);
276	>	SSL_free(ssl);
277	>	SSL_CTX_free(ctx);
278	>	}
279	>	#endif
280	>
281	>	closesocket(http);
282	>
283	>	type = "";
284	>	length = 0;
285	>	location = "";
286	>
287	>	page.clear();
288	>	page.str("");
289	>
290	>	chunked = false;
291	>	#ifdef _OpenSSL_
292	>	tls = false;
293	>	#endif
294		}
295
296	<	void HttpHandler::setJarPath()
296	>	void HttpHandler::populate()
297		{
298	<	const string jarFile = "HttpConnector.jar";
181	<	string jarFilePath = jarFile;
182	<
183	<	ifstream fin(jarFilePath.c_str());
184	<	if (!fin.is_open())
298	>	if (!chunked)
299		{
300	<	unsigned end = program.rfind(PATH_SEPARATOR);
301	<	if (end != string::npos)
300	>	unsigned left(length);
301	>
302	>	while (left > 0)
303		{
304	<	string path = program.substr(0, end);
304	>	memset(buffer, 0, BUFSIZ + 1);
305
306	<	jarFilePath = path + PATH_SEPARATOR + jarFile;
306	>	unsigned bytes(left > BUFSIZ ? BUFSIZ : left);
307	>	long received;
308
309	<	fin.open(jarFilePath.c_str());
194	<	if (!fin.is_open())
195	<	{
196	<	cerr << program << ": Could not find required file: "
197	<	<< jarFile << "\n";
198	<	exit(1);
199	<	}
200	<	else
309	>	while (true)
310		{
311	<	fin.close();
311	>	#ifndef _OpenSSL_
312	>	if ((received = recv(http, buffer, bytes, 0)) == SOCKET_ERROR)
313	>	{
314	>	error(program + ": Recv");
315	>	exit(1);
316	>	}
317	>	#else
318	>	if ((received = !tls ? recv(http, buffer, bytes, 0) :
319	>	SSL_read(ssl, buffer, bytes)) <= 0)
320	>	{
321	>	!tls ? error(program + ": Recv") : error(program +
322	>	": SSL Read", int(received));
323	>	}
324	>	#endif
325	>	else if (received != bytes)
326	>	{
327	>	left -= received;
328	>
329	>	page << buffer;
330	>
331	>	memset(buffer, 0, BUFSIZ + 1);
332	>
333	>	bytes -= received;
334	>	}
335	>	else break;
336		}
337	+
338	+	page << buffer;
339	+
340	+	left -= bytes;
341		}
342	<	else
342	>	}
343	>	else
344	>	{
345	>	unsigned chunk;
346	>
347	>	do
348		{
349	<	string envPath = getenv("PATH");
349	>	istringstream number(getline());
350
351	<	if (debug) cerr << "envPath = " << envPath << "\n";
351	>	number.setf(ios_base::hex, ios_base::basefield);
352
353	<	unsigned begin = 0;
354	<	do
355	<	{
214	<	unsigned end = envPath.find(ENV_SEPARATOR, begin);
215	<	string path = envPath.substr(begin, end);
353	>	number >> chunk;
354	>
355	>	unsigned left(chunk);
356
357	<	if (debug) cerr << "path = " << path << "\n";
357	>	while (left > 0)
358	>	{
359	>	memset(buffer, 0, BUFSIZ + 1);
360
361	<	jarFilePath = path + PATH_SEPARATOR + jarFile;
361	>	unsigned bytes(left > BUFSIZ ? BUFSIZ : left);
362	>	long received;
363
364	<	fin.open(jarFilePath.c_str());
222	<	if (fin.is_open())
364	>	while (true)
365		{
366	<	fin.close();
367	<	break;
366	>	#ifndef _OpenSSL_
367	>	if ((received = recv(http, buffer, bytes, 0)) ==
368	>	SOCKET_ERROR)
369	>	{
370	>	error(program + ": Recv");
371	>	exit(1);
372	>	}
373	>	#else
374	>	if ((received = !tls ? recv(http, buffer, bytes, 0) :
375	>	SSL_read(ssl, buffer, bytes)) <= 0)
376	>	{
377	>	!tls ? error(program + ": Recv") : error(program +
378	>	": SSL Read", int(received));
379	>
380	>	exit(1);
381	>	}
382	>	#endif
383	>	else if (received != bytes)
384	>	{
385	>	left -= received;
386	>	page << buffer;
387	>
388	>	memset(buffer, 0, BUFSIZ + 1);
389	>
390	>	bytes -= received;
391	>	}
392	>	else break;
393		}
394
395	<	begin = end != string::npos ? end + 1 : string::npos;
395	>	page << buffer;
396	>
397	>	left -= bytes;
398		}
230	–	while (begin < envPath.length());
399
400	<	if (begin == string::npos)
400	>	getline();
401	>
402	>	length += chunk;
403	>	}
404	>	while (chunk > 0);
405	>	}
406	>
407	>	if (!binary)
408	>	{
409	>	string page(this->page.str());
410	>
411	>	for (unsigned index(0); index < page.length(); index++)
412	>	{
413	>	if (page[index] == '\r' && (index + 1 < page.length()) ?
414	>	page[index + 1] == '\n' : false)
415		{
416	<	cerr << program << ": Could not find required file: "
417	<	<< jarFile << "\n";
418	<	exit(1);
416	>	page.erase(index, 1);
417	>	}
418	>	else if (page[index] == '\r')
419	>	{
420	>	page[index] = '\n';
421		}
422		}
423	+
424	+	this->page.str(page);
425	+	}
426	+	}
427	+
428	+	void HttpHandler::putline(const string line)
429	+	{
430	+	sprintf(buffer, "%s\r\n", line.c_str());
431	+
432	+	#ifndef _OpenSSL_
433	+	if (send(http, buffer, strlen(buffer), 0) == SOCKET_ERROR)
434	+	{
435	+	error(program + ": Send");
436	+	exit(1);
437	+	}
438	+	#else
439	+	if (!tls)
440	+	{
441	+	if (send(http, buffer, strlen(buffer), 0) == SOCKET_ERROR)
442	+	{
443	+	error(program + ": Send");
444	+	exit(1);
445	+	}
446		}
447		else
448		{
449	<	fin.close();
449	>	int number;
450	>
451	>	if ((number = SSL_write(ssl, buffer, strlen(buffer))) <= 0)
452	>	{
453	>	error(program + ": SSL Write", number);
454	>	exit(1);
455	>	}
456		}
457	+	#endif
458	+	}
459
460	<	string jarPath = "-Djava.class.path=" + jarFilePath;
460	>	string HttpHandler::getline()
461	>	{
462	>	string line;
463	>	char byte;
464
465	<	//      this->jarPath = new char[jarPath.length()];
466	<	//      strcpy(this->jarPath, jarPath.c_str());
465	>	do
466	>	{
467	>	#ifndef _OpenSSL_
468	>	if (recv(http, &byte, 1, 0) == SOCKET_ERROR)
469	>	{
470	>	error(program + ": Recv");
471	>	}
472	>	#else
473	>	if (!tls)
474	>	{
475	>	if (recv(http, &byte, 1, 0) == SOCKET_ERROR)
476	>	{
477	>	error(program + ": Recv");
478	>	}
479	>	}
480	>	else
481	>	{
482	>	int number;
483	>
484	>	if ((number = SSL_read(ssl, &byte, 1)) <= 0)
485	>	{
486	>	error(program + ": SSL Read", number);
487	>	}
488	>	}
489	>	#endif
490	>
491	>	if (byte != '\r' && byte != '\n')
492	>	{
493	>	line += byte;
494	>	}
495	>	}
496	>	while (byte != '\n');
497	>
498	>	return line;
499		}
500	+
501	+	void HttpHandler::error(const string& prefix, bool host)
502	+	{
503	+	#ifdef _WIN32
504	+	string error;
505	+
506	+	switch (WSAGetLastError())
507	+	{
508	+	case WSAEACCES:
509	+	error = "Permission denied";
510	+	break;
511	+	case WSAEADDRINUSE:
512	+	error = "Address already in use";
513	+	break;
514	+	case WSAEADDRNOTAVAIL:
515	+	error = "Cannot assign requested address";
516	+	break;
517	+	case WSAEAFNOSUPPORT:
518	+	error = "Address family not supported by protocol family";
519	+	break;
520	+	case WSAEALREADY:
521	+	error = "Operation already in progress";
522	+	break;
523	+	case WSAECONNABORTED:
524	+	error = "Software caused connection abort";
525	+	break;
526	+	case WSAECONNREFUSED:
527	+	error = "Connection refused";
528	+	break;
529	+	case WSAECONNRESET:
530	+	error = "Connection reset by peer";
531	+	break;
532	+	case WSAEDESTADDRREQ:
533	+	error = "Destination address required";
534	+	break;
535	+	case WSAEFAULT:
536	+	error = "Bad address";
537	+	break;
538	+	case WSAEHOSTDOWN:
539	+	error = "Host is down";
540	+	break;
541	+	case WSAEHOSTUNREACH:
542	+	error = "No route to host";
543	+	break;
544	+	case WSAEINPROGRESS:
545	+	error = "Operation now in progress";
546	+	break;
547	+	case WSAEINTR:
548	+	error = "Interrupted function call";
549	+	break;
550	+	case WSAEINVAL:
551	+	error = "Invalid argument";
552	+	break;
553	+	case WSAEISCONN:
554	+	error = "Socket is already connected";
555	+	break;
556	+	case WSAEMFILE:
557	+	error = "Too many open files";
558	+	break;
559	+	case WSAEMSGSIZE:
560	+	error = "Message too long";
561	+	break;
562	+	case WSAENETDOWN:
563	+	error = "Network is down";
564	+	break;
565	+	case WSAENETRESET:
566	+	error = "Network dropped connection on reset";
567	+	break;
568	+	case WSAENETUNREACH:
569	+	error = "Network is unreachable";
570	+	break;
571	+	case WSAENOBUFS:
572	+	error = "No buffer space available";
573	+	break;
574	+	case WSAENOPROTOOPT:
575	+	error = "Bad protocol option";
576	+	break;
577	+	case WSAENOTCONN:
578	+	error = "Socket is not connected";
579	+	break;
580	+	case WSAENOTSOCK:
581	+	error = "Socket operation on non-socket";
582	+	break;
583	+	case WSAEOPNOTSUPP:
584	+	error = "Operation not supported";
585	+	break;
586	+	case WSAEPFNOSUPPORT:
587	+	error = "Protocol family not supported";
588	+	break;
589	+	case WSAEPROCLIM:
590	+	error = "Too many processes";
591	+	break;
592	+	case WSAEPROTONOSUPPORT:
593	+	error = "Protocol not supported";
594	+	break;
595	+	case WSAEPROTOTYPE:
596	+	error = "Protocol wrong type for socket";
597	+	break;
598	+	case WSAESHUTDOWN:
599	+	error = "Cannot send after socket shutdown";
600	+	break;
601	+	case WSAESOCKTNOSUPPORT:
602	+	error = "Socket type not supported";
603	+	break;
604	+	case WSAETIMEDOUT:
605	+	error = "Connection timed out";
606	+	break;
607	+	case WSATYPE_NOT_FOUND:
608	+	error = "Class type not found";
609	+	break;
610	+	case WSAEWOULDBLOCK:
611	+	error = "Resource temporarily unavailable";
612	+	break;
613	+	case WSAHOST_NOT_FOUND:
614	+	error = "Host not found";
615	+	break;
616	+	case WSA_INVALID_HANDLE:
617	+	error = "Specified event object handle is invalid";
618	+	break;
619	+	case WSA_INVALID_PARAMETER:
620	+	error = "One or more parameters are invalid";
621	+	break;
622	+	//      case WSAINVALIDPROCTABLE:
623	+	//              error = "Invalid procedure table from service provider";
624	+	//              break;
625	+	//      case WSAINVALIDPROVIDER:
626	+	//              error = "Invalid service provider version number";
627	+	//              break;
628	+	case WSA_IO_INCOMPLETE:
629	+	error = "Overlapped I/O event object not in signaled state";
630	+	break;
631	+	case WSA_IO_PENDING:
632	+	error = "Overlapped operations will complete later";
633	+	break;
634	+	case WSA_NOT_ENOUGH_MEMORY:
635	+	error = "Insufficient memory available";
636	+	break;
637	+	case WSANOTINITIALISED:
638	+	error = "Successful WSAStartup not yet performed";
639	+	break;
640	+	case WSANO_DATA:
641	+	error = "Valid name, no data record of requested type";
642	+	break;
643	+	case WSANO_RECOVERY:
644	+	error = "This is a non-recoverable error";
645	+	break;
646	+	//      case WSAPROVIDERFAILEDINIT:
647	+	//              error = "Unable to initialize a service provider";
648	+	//              break;
649	+	case WSASYSCALLFAILURE:
650	+	error = "System call failure";
651	+	break;
652	+	case WSASYSNOTREADY:
653	+	error = "Network subsystem is unavailable";
654	+	break;
655	+	case WSATRY_AGAIN:
656	+	error = "Non-authoritative host not found";
657	+	break;
658	+	case WSAVERNOTSUPPORTED:
659	+	error = "WINSOCK.DLL version out of range";
660	+	break;
661	+	case WSAEDISCON:
662	+	error = "Graceful shutdown in progress";
663	+	break;
664	+	case WSA_OPERATION_ABORTED:
665	+	error = "Overlapped operation aborted";
666	+	break;
667	+	default:
668	+	error = "Unknown error";
669	+	break;
670	+	}
671	+
672	+	cerr << prefix << ": " << error << "\n";
673	+	#else
674	+	if (host)
675	+	{
676	+	string error;
677	+
678	+	switch (h_errno)
679	+	{
680	+	case HOST_NOT_FOUND:
681	+	error = "Unknown host";
682	+	break;
683	+	case TRY_AGAIN:
684	+	error = "Host name lookup failure";
685	+	break;
686	+	case NO_RECOVERY:
687	+	error = "Unknown server error";
688	+	break;
689	+	case NO_DATA:
690	+	error = "No address associated with name";
691	+	break;
692	+	default:
693	+	error = "Unknown error";
694	+	break;
695	+	}
696	+
697	+	cerr << prefix << ": " << error << "\n";
698	+	}
699	+	else
700	+	{
701	+	perror(prefix.c_str());
702	+	}
703	+	#endif // _WIN32
704	+	}
705	+
706	+	#ifdef _OpenSSL_
707	+	void HttpHandler::error(const string& prefix, int number)
708	+	{
709	+	string error;
710	+
711	+	switch (SSL_get_error(ssl, number))
712	+	{
713	+	case SSL_ERROR_NONE:
714	+	error = "The TLS/SSL I/O operation completed";
715	+	break;
716	+	case SSL_ERROR_ZERO_RETURN:
717	+	error = "The TLS/SSL connection has been closed";
718	+	break;
719	+	case SSL_ERROR_WANT_READ:
720	+	case SSL_ERROR_WANT_WRITE:
721	+	case SSL_ERROR_WANT_CONNECT:
722	+	//      case SSL_ERROR_WANT_ACCEPT:
723	+	case SSL_ERROR_WANT_X509_LOOKUP:
724	+	error = "The operation did not complete";
725	+	break;
726	+	case SSL_ERROR_SYSCALL:
727	+	if (int err = ERR_get_error() != 0)
728	+	{
729	+	error = ERR_reason_error_string(err);
730	+	}
731	+	else
732	+	{
733	+	switch (number)
734	+	{
735	+	case 0:
736	+	error = "An EOF was observed that violates the protocol";
737	+	break;
738	+	case -1:
739	+	this->error(prefix);
740	+	return;
741	+	default:
742	+	error = "Unknown error";
743	+	break;
744	+	}
745	+	}
746	+	break;
747	+	case SSL_ERROR_SSL:
748	+	error = ERR_reason_error_string(ERR_get_error());
749	+	break;
750	+	default:
751	+	error = "Unknown error";
752	+	break;
753	+	}
754	+
755	+	cerr << prefix << ": " << error << "\n";
756	+	}
757	+
758	+	bool HttpHandler::starttls()
759	+	{
760	+	SSL_load_error_strings();
761	+	SSL_library_init();
762	+
763	+	#ifndef _urandomdev_
764	+	int pid(getpid()), now(time(NULL));
765	+	unsigned seed(now > pid ? now - pid : pid - now);
766	+	char* junk = new char[seed % 30 + 2];
767	+
768	+	junk[0] = pid;
769	+	junk[seed % 30 + 1] = now;
770	+
771	+	srand(seed);
772	+
773	+	for (size_t index = 1; index < seed % 30 + 1; index++)
774	+	{
775	+	junk[index] = rand();
776	+	}
777	+
778	+	if (debug)
779	+	{
780	+	cerr << "junk = {\n";
781	+
782	+	for (size_t index = 1; index < seed % 30 + 2; index++)
783	+	{
784	+	cerr << "   [" << index << "] = " << unsigned(junk[index]) << "\n";
785	+	}
786	+
787	+	cerr << "}\n";
788	+	}
789	+
790	+	RAND_seed(junk, seed % 30 + 2);
791	+
792	+	delete junk;
793	+	#else
794	+	if (debug) cerr << "junk = /dev/urandom\n";
795	+	#endif
796	+
797	+	ctx = SSL_CTX_new(TLSv1_client_method());
798	+
799	+	if (ctx == NULL)
800	+	{
801	+	cerr << program << ": SSL CTX New: "
802	+	<< ERR_reason_error_string(ERR_get_error()) << "\n";
803	+
804	+	return false;
805	+	}
806	+
807	+	ssl = SSL_new(ctx);
808	+
809	+	if (SSL_set_fd(ssl, http) == 0)
810	+	{
811	+	cerr << program << ": SSL Set FD: "
812	+	<< ERR_reason_error_string(ERR_get_error()) << "\n";
813	+
814	+	return false;
815	+	}
816	+
817	+	int number;
818	+
819	+	if ((number = SSL_connect(ssl)) <= 0)
820	+	{
821	+	error(program + ": SSL Connect", number);
822	+
823	+	return false;
824	+	}
825	+
826	+	return true;
827	+	}
828	+	#endif

Comparing trunk/Search/HttpHandler.cpp (property svn:eol-style):
Revision 1 by douglas, 2002-12-04T20:22:59-08:00 vs.
Revision 350 by Douglas Thrift, 2004-05-27T20:29:11-07:00

#	Line 0 | Line 1
1	+	native

Comparing trunk/Search/HttpHandler.cpp (property svn:keywords):
Revision 1 by douglas, 2002-12-04T20:22:59-08:00 vs.
Revision 350 by Douglas Thrift, 2004-05-27T20:29:11-07:00

#	Line 0 | Line 1
1	+	Id

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines