v4.03-9408-rtm

1 files changed, 248 insertions, 0 deletions

diff --git a/src/Cedar/Logging.h b/src/Cedar/Logging.h
new file mode 100644
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+++ b/src/Cedar/Logging.h
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+// SoftEther VPN Source Code

+// Cedar Communication Module

+// 

+// SoftEther VPN Server, Client and Bridge are free software under GPLv2.

+// 

+// Copyright (c) 2012-2014 Daiyuu Nobori.

+// Copyright (c) 2012-2014 SoftEther VPN Project, University of Tsukuba, Japan.

+// Copyright (c) 2012-2014 SoftEther Corporation.

+// 

+// All Rights Reserved.

+// 

+// http://www.softether.org/

+// 

+// Author: Daiyuu Nobori

+// Comments: Tetsuo Sugiyama, Ph.D.

+// 

+// 

+// This program is free software; you can redistribute it and/or

+// modify it under the terms of the GNU General Public License

+// version 2 as published by the Free Software Foundation.

+// 

+// This program is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU General Public License for more details.

+// 

+// You should have received a copy of the GNU General Public License version 2

+// along with this program; if not, write to the Free Software

+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

+// 

+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+// 

+// THE LICENSE AGREEMENT IS ATTACHED ON THE SOURCE-CODE PACKAGE

+// AS "LICENSE.TXT" FILE. READ THE TEXT FILE IN ADVANCE TO USE THE SOFTWARE.

+// 

+// 

+// THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN,

+// UNDER JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY,

+// MERGE, PUBLISH, DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS

+// SOFTWARE, THAT ANY JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS

+// SOFTWARE OR ITS CONTENTS, AGAINST US (SOFTETHER PROJECT, SOFTETHER

+// CORPORATION, DAIYUU NOBORI OR OTHER SUPPLIERS), OR ANY JURIDICAL

+// DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND OF USING, COPYING,

+// MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING, AND/OR

+// SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND

+// CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO

+// EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO,

+// JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL JURISDICTION

+// AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER PARTY IN

+// THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.

+// 

+// USE ONLY IN JAPAN. DO NOT USE IT IN OTHER COUNTRIES. IMPORTING THIS

+// SOFTWARE INTO OTHER COUNTRIES IS AT YOUR OWN RISK. SOME COUNTRIES

+// PROHIBIT ENCRYPTED COMMUNICATIONS. USING THIS SOFTWARE IN OTHER

+// COUNTRIES MIGHT BE RESTRICTED.

+// 

+// 

+// DEAR SECURITY EXPERTS

+// ---------------------

+// 

+// If you find a bug or a security vulnerability please kindly inform us

+// about the problem immediately so that we can fix the security problem

+// to protect a lot of users around the world as soon as possible.

+// 

+// Our e-mail address for security reports is:

+// softether-vpn-security [at] softether.org

+// 

+// Please note that the above e-mail address is not a technical support

+// inquiry address. If you need technical assistance, please visit

+// http://www.softether.org/ and ask your question on the users forum.

+// 

+// Thank you for your cooperation.

+

+

+// Logging.h

+// Header of Logging.c

+

+#ifndef	LOGGING_H

+#define	LOGGING_H

+

+

+// Port number for HTTP monitoring

+#define	LOG_HTTP_PORT						80

+

+

+#define	MAX_LOG_SIZE						1073741823ULL

+

+typedef char *(RECORD_PARSE_PROC)(RECORD *rec);

+

+// Packet log structure

+struct PACKET_LOG

+{

+	CEDAR *Cedar;

+	struct PKT *Packet;

+	char *SrcSessionName;

+	char *DestSessionName;

+	bool PurePacket;						// Packet not cloned

+	bool PurePacketNoPayload;				// Packet not cloned (without payload)

+	SESSION *SrcSession;

+	bool NoLog;								// Not to write a log

+};

+

+// Log save options of the HUB

+struct HUB_LOG

+{

+	bool SaveSecurityLog;					// To save the security log

+	UINT SecurityLogSwitchType;				// Switching type of security log

+	bool SavePacketLog;						// To save the packet log

+	UINT PacketLogSwitchType;				// Switching type of packet log

+	UINT PacketLogConfig[NUM_PACKET_LOG];	// Packet log settings

+};

+

+// Record

+struct RECORD

+{

+	UINT64 Tick;							// Time

+	RECORD_PARSE_PROC *ParseProc;			// Parsing procedure

+	void *Data;								// Data

+};

+

+// LOG object

+struct LOG

+{

+	LOCK *lock;								// Lock

+	THREAD *Thread;							// Thread

+	char *DirName;							// Destination directory name

+	char *Prefix;							// File name

+	UINT SwitchType;						// Switching type of log file

+	QUEUE *RecordQueue;						// Record queue

+	volatile bool Halt;						// Halting flag

+	EVENT *Event;							// Event for Log

+	EVENT *FlushEvent;						// Flash completion event

+	bool CacheFlag;

+	UINT64 LastTick;

+	UINT LastSwitchType;

+	char LastStr[MAX_SIZE];

+	UINT64 CurrentFilePointer;				// The current file pointer

+	UINT64 MaxLogFileSize;					// Maximum log file size

+	UINT CurrentLogNumber;					// Log file number of the current

+	bool log_number_incremented;

+};

+

+

+// ERASER object

+struct ERASER

+{

+	LOG *Log;								// Logger

+	UINT64 MinFreeSpace;					// Disk space to start deleting files

+	char *DirName;							// Directory name

+	volatile bool Halt;						// Halting flag

+	THREAD *Thread;							// Thread

+	bool LastFailed;						// Whether deletion of the file failed at the end

+	EVENT *HaltEvent;						// Halting event

+};

+

+// List of files that can be deleted

+typedef struct ERASE_FILE

+{

+	char *FullPath;							// Full path

+	UINT64 UpdateTime;						// Updating date

+} ERASE_FILE;

+

+// SYSLOG object

+struct SLOG

+{

+	LOCK *lock;								// Lock

+	SOCK *Udp;								// UDP socket

+	IP DestIp;								// Destination IP address

+	UINT DestPort;							// Destination port number

+	char HostName[MAX_HOST_NAME_LEN + 1];	// Host name

+	UINT64 NextPollIp;						// Time of examination of the IP address at the end

+};

+

+// Function prototype

+LOG *NewLog(char *dir, char *prefix, UINT switch_type);

+void FreeLog(LOG *g);

+void LogThread(THREAD *thread, void *param);

+void WaitLogFlush(LOG *g);

+void LockLog(LOG *g);

+void UnlockLog(LOG *g);

+void InsertRecord(LOG *g, void *data, RECORD_PARSE_PROC *proc);

+void InsertStringRecord(LOG *g, char *str);

+void InsertUnicodeRecord(LOG *g, wchar_t *unistr);

+char *StringRecordParseProc(RECORD *rec);

+bool MakeLogFileName(LOG *g, char *name, UINT size, char *dir, char *prefix, UINT64 tick, UINT switch_type, UINT num, char *old_datestr);

+void MakeLogFileNameStringFromTick(LOG *g, char *str, UINT size, UINT64 tick, UINT switch_type);

+void WriteRecordToBuffer(BUF *b, RECORD *r);

+void SetLogDirName(LOG *g, char *dir);

+void SetLogPrefix(LOG *g, char *prefix);

+void SetLogSwitchType(LOG *g, UINT switch_type);

+bool PacketLog(HUB *hub, SESSION *src_session, SESSION *dest_session, PKT *packet, UINT64 now);

+char *PacketLogParseProc(RECORD *rec);

+UINT CalcPacketLoggingLevel(HUB *hub, PKT *packet);

+UINT CalcPacketLoggingLevelEx(HUB_LOG *g, PKT *packet);

+char *GenCsvLine(TOKEN_LIST *t);

+void ReplaceForCsv(char *str);

+char *PortStr(CEDAR *cedar, UINT port, bool udp);

+char *TcpFlagStr(UCHAR flag);

+void WriteSecurityLog(HUB *h, char *str);

+void SecLog(HUB *h, char *fmt, ...);

+void SiSetDefaultLogSetting(HUB_LOG *g);

+void DebugLog(CEDAR *c, char *fmt, ...);

+void HubLog(HUB *h, wchar_t *fmt, ...);

+void ServerLog(CEDAR *c, wchar_t *fmt, ...);

+void SLog(CEDAR *c, char *name, ...);

+void WriteHubLog(HUB *h, wchar_t *str);

+void HLog(HUB *h, char *name, ...);

+void NLog(VH *v, char *name, ...);

+void IPCLog(IPC *ipc, char *name, ...);

+void PPPLog(PPP_SESSION *p, char *name, ...);

+void IPsecLog(IKE_SERVER *ike, IKE_CLIENT *c, IKE_SA *ike_sa, IPSECSA *ipsec_sa, char *name, ...);

+void EtherIPLog(ETHERIP_SERVER *s, char *name, ...);

+void WriteServerLog(CEDAR *c, wchar_t *str);

+void ALog(ADMIN *a, HUB *h, char *name, ...);

+void CLog(CLIENT *c, char *name, ...);

+void WriteClientLog(CLIENT *c, wchar_t *str);

+ERASER *NewEraser(LOG *log, UINT64 min_size);

+void FreeEraser(ERASER *e);

+void ELog(ERASER *e, char *name, ...);

+void EraserThread(THREAD *t, void *p);

+void EraserMain(ERASER *e);

+bool CheckEraserDiskFreeSpace(ERASER *e);

+int CompareEraseFile(void *p1, void *p2);

+LIST *GenerateEraseFileList(ERASER *e);

+void FreeEraseFileList(LIST *o);

+void PrintEraseFileList(LIST *o);

+void EnumEraseFile(LIST *o, char *dirname);

+SLOG *NewSysLog(char *hostname, UINT port);

+void SetSysLog(SLOG *g, char *hostname, UINT port);

+void FreeSysLog(SLOG *g);

+void SendSysLog(SLOG *g, wchar_t *str);

+void WriteMultiLineLog(LOG *g, BUF *b);

+char *BuildHttpLogStr(HTTPLOG *h);

+void MakeSafeLogStr(char *str);

+void AddLogBufToStr(BUF *b, char *name, char *value);

+

+#endif	// LOGGING_G

+

+

+// Developed by SoftEther VPN Project at University of Tsukuba in Japan.

+// Department of Computer Science has dozens of overly-enthusiastic geeks.

+// Join us: http://www.tsukuba.ac.jp/english/admission/