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BBSUtilities.c
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BBSUtilities.c
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/*
Copyright 2001-2018 John Wiseman G8BPQ
This file is part of LinBPQ/BPQ32.
LinBPQ/BPQ32 is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
LinBPQ/BPQ32 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
along with LinBPQ/BPQ32. If not, see http://www.gnu.org/licenses
*/
// Mail and Chat Server for BPQ32 Packet Switch
//
// Utility Routines
#include "BPQMail.h"
#ifdef WIN32
#include "Winspool.h"
#endif
BOOL Bells;
BOOL FlashOnBell; // Flash instead of Beep
BOOL StripLF;
BOOL WarnWrap;
BOOL FlashOnConnect;
BOOL WrapInput;
BOOL CloseWindowOnBye;
RECT ConsoleRect;
BOOL OpenConsole;
BOOL OpenMon;
extern struct ConsoleInfo BBSConsole;
//#define BBSIDLETIME 120
//#define USERIDLETIME 300
#define BBSIDLETIME 900
#define USERIDLETIME 900
#ifdef LINBPQ
extern BPQVECSTRUC ** BPQHOSTVECPTR;
char * GetLogDirectory();
#else
__declspec(dllimport) BPQVECSTRUC ** BPQHOSTVECPTR;
#endif
unsigned long _beginthread( void( *start_address )(VOID * DParam),
unsigned stack_size, VOID * DParam);
int APIENTRY GetRaw(int stream, char * msg, int * len, int * count);
void GetSemaphore(struct SEM * Semaphore, int ID);
void FreeSemaphore(struct SEM * Semaphore);
int EncryptPass(char * Pass, char * Encrypt);
VOID DecryptPass(char * Encrypt, unsigned char * Pass, unsigned int len);
void DeletetoRecycle(char * FN);
VOID DoImportCmd(CIRCUIT * conn, struct UserInfo * user, char * Arg1, char * Context);
VOID DoExportCmd(CIRCUIT * conn, struct UserInfo * user, char * Arg1, char * Context);
VOID TidyPrompts();
char * ReadMessageFileEx(struct MsgInfo * MsgRec);
UCHAR * APIENTRY GetBPQDirectory();
BOOL SendARQMail(CIRCUIT * conn);
int APIENTRY ChangeSessionIdletime(int Stream, int idletime);
int APIENTRY GetApplNum(int Stream);
VOID FormatTime(char * Time, time_t cTime);
BOOL CheckifPacket(char * Via);
UCHAR * APIENTRY GetVersionString();
void ListFiles(ConnectionInfo * conn, struct UserInfo * user, char * filename);
void ReadBBSFile(ConnectionInfo * conn, struct UserInfo * user, char * filename);
int GetCMSHash(char * Challenge, char * Password);
BOOL SendAMPRSMTP(CIRCUIT * conn);
VOID ProcessMCASTLine(ConnectionInfo * conn, struct UserInfo * user, char * Buffer, int MsgLen);
VOID MCastTimer();
VOID MCastConTimer(ConnectionInfo * conn);
int FindFreeBBSNumber();
VOID DoSetMsgNo(CIRCUIT * conn, struct UserInfo * user, char * Arg1, char * Context);
BOOL ProcessYAPPMessage(CIRCUIT * conn);
void YAPPSendFile(ConnectionInfo * conn, struct UserInfo * user, char * filename);
void YAPPSendData(ConnectionInfo * conn);
VOID CheckBBSNumber(int i);
config_t cfg;
config_setting_t * group;
extern ULONG BBSApplMask;
//static int SEMCLASHES = 0;
char SecureMsg[80] = ""; // CMS Secure Signon Response
int NumberofStreams;
extern char VersionStringWithBuild[50];
#define MaxSockets 64
extern struct SEM OutputSEM;
extern ConnectionInfo Connections[MaxSockets+1];
extern struct UserInfo ** UserRecPtr;
extern int NumberofUsers;
extern struct UserInfo * BBSChain; // Chain of users that are BBSes
extern struct MsgInfo ** MsgHddrPtr;
extern int NumberofMessages;
extern int FirstMessageIndextoForward; // Lowest Message wirh a forward bit set - limits search
extern char UserDatabaseName[MAX_PATH];
extern char UserDatabasePath[MAX_PATH];
extern char MsgDatabasePath[MAX_PATH];
extern char MsgDatabaseName[MAX_PATH];
extern char BIDDatabasePath[MAX_PATH];
extern char BIDDatabaseName[MAX_PATH];
extern char WPDatabasePath[MAX_PATH];
extern char WPDatabaseName[MAX_PATH];
extern char BadWordsPath[MAX_PATH];
extern char BadWordsName[MAX_PATH];
extern char BaseDir[MAX_PATH];
extern char BaseDirRaw[MAX_PATH]; // As set in registry - may contain %NAME%
extern char ProperBaseDir[MAX_PATH]; // BPQ Directory/BPQMailChat
extern char MailDir[MAX_PATH];
extern BIDRec ** BIDRecPtr;
extern int NumberofBIDs;
extern BIDRec ** TempBIDRecPtr;
extern int NumberofTempBIDs;
extern WPRec ** WPRecPtr;
extern int NumberofWPrecs;
extern char ** BadWords;
extern int NumberofBadWords;
extern char * BadFile;
extern int LatestMsg;
extern struct SEM MsgNoSemaphore; // For locking updates to LatestMsg
extern int HighestBBSNumber;
extern int MaxMsgno;
extern int BidLifetime;
extern int MaxAge;
extern int MaintInterval;
extern int MaintTime;
extern int ProgramErrors;
extern BOOL MonBBS;
extern BOOL MonCHAT;
extern BOOL MonTCP;
BOOL SendNewUserMessage = TRUE;
BOOL AllowAnon = FALSE;
BOOL UserCantKillT = FALSE;
#define BPQHOSTSTREAMS 64
// Although externally streams are numbered 1 to 64, internally offsets are 0 - 63
extern BPQVECSTRUC BPQHOSTVECTOR[BPQHOSTSTREAMS + 5];
FILE * LogHandle[4] = {NULL, NULL, NULL, NULL};
char FilesNames[4][100] = {"", "", "", ""};
char * Logs[4] = {"BBS", "CHAT", "TCP", "DEBUG"};
BOOL OpenLogfile(int Flags)
{
UCHAR FN[MAX_PATH];
time_t LT;
struct tm * tm;
LT = time(NULL);
tm = gmtime(<);
sprintf(FN,"%s/logs/log_%02d%02d%02d_%s.txt", GetLogDirectory(), tm->tm_year-100, tm->tm_mon+1, tm->tm_mday, Logs[Flags]);
LogHandle[Flags] = fopen(FN, "ab");
#ifndef WIN32
if (strcmp(FN, &FilesNames[Flags][0]))
{
UCHAR SYMLINK[MAX_PATH];
sprintf(SYMLINK,"%s/logLatest_%s.txt", GetBPQDirectory(), Logs[Flags]);
unlink(SYMLINK);
strcpy(&FilesNames[Flags][0], FN);
symlink(FN, SYMLINK);
}
#endif
return (LogHandle[Flags] != NULL);
}
struct SEM LogSEM = {0, 0};
void WriteLogLine(CIRCUIT * conn, int Flag, char * Msg, int MsgLen, int Flags)
{
char CRLF[2] = {0x0d,0x0a};
struct tm * tm;
char Stamp[20];
time_t LT;
// struct _EXCEPTION_POINTERS exinfo;
#ifndef LINBPQ
__try
{
#endif
#ifndef LINBPQ
if (hMonitor)
{
if (Flags == LOG_TCP && MonTCP)
{
WritetoMonitorWindow((char *)&Flag, 1);
WritetoMonitorWindow(Msg, MsgLen);
WritetoMonitorWindow(CRLF , 1);
}
else if (Flags == LOG_CHAT && MonCHAT)
{
WritetoMonitorWindow((char *)&Flag, 1);
if (conn && conn->Callsign[0])
{
char call[20];
sprintf(call, "%s ", conn->Callsign);
WritetoMonitorWindow(call, 10);
}
else
WritetoMonitorWindow(" ", 10);
WritetoMonitorWindow(Msg, MsgLen);
if (Msg[MsgLen-1] != '\r')
WritetoMonitorWindow(CRLF , 1);
}
else if (Flags == LOG_BBS && MonBBS)
{
WritetoMonitorWindow((char *)&Flag, 1);
if (conn && conn->Callsign[0])
{
char call[20];
sprintf(call, "%s ", conn->Callsign);
WritetoMonitorWindow(call, 10);
}
else
WritetoMonitorWindow(" ", 10);
WritetoMonitorWindow(Msg, MsgLen);
WritetoMonitorWindow(CRLF , 1);
}
else if (Flags == LOG_DEBUG_X)
{
WritetoMonitorWindow((char *)&Flag, 1);
WritetoMonitorWindow(Msg, MsgLen);
WritetoMonitorWindow(CRLF , 1);
}
}
#endif
if (Flags == LOG_TCP && !LogTCP)
return;
if (Flags == LOG_BBS && !LogBBS)
return;
if (Flags == LOG_CHAT && !LogCHAT)
return;
GetSemaphore(&LogSEM, 0);
if (LogHandle[Flags] == NULL) OpenLogfile(Flags);
if (LogHandle[Flags] == NULL)
{
FreeSemaphore(&LogSEM);
return;
}
LT = time(NULL);
tm = gmtime(<);
sprintf(Stamp,"%02d%02d%02d %02d:%02d:%02d %c",
tm->tm_year-100, tm->tm_mon+1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, Flag);
fwrite(Stamp, 1, strlen(Stamp), LogHandle[Flags]);
if (conn && conn->Callsign[0])
{
char call[20];
sprintf(call, "%s ", conn->Callsign);
fwrite(call, 1, 10, LogHandle[Flags]);
}
else
fwrite(" ", 1, 10, LogHandle[Flags]);
fwrite(Msg, 1, MsgLen, LogHandle[Flags]);
if (Flags == LOG_CHAT && Msg[MsgLen-1] == '\r')
fwrite(&CRLF[1], 1, 1, LogHandle[Flags]);
else
fwrite(CRLF, 1, 2, LogHandle[Flags]);
if (LogHandle[Flags])
fclose(LogHandle[Flags]);
LogHandle[Flags] = NULL;
FreeSemaphore(&LogSEM);
#ifndef LINBPQ
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
}
#endif
}
int CriticalErrorHandler(char * error)
{
Debugprintf("Critical Error %s", error);
ProgramErrors = 25;
CheckProgramErrors(); // Force close
return 0;
}
BOOL CheckForTooManyErrors(ConnectionInfo * conn)
{
conn->ErrorCount++;
if (conn->ErrorCount > 4)
{
BBSputs(conn, "Too many errors - closing\r");
conn->CloseAfterFlush = 20;
return TRUE;
}
return FALSE;
}
VOID __cdecl Debugprintf(const char * format, ...)
{
char Mess[1000];
va_list(arglist);int Len;
va_start(arglist, format);
Len = vsprintf(Mess, format, arglist);
#ifndef LINBPQ
WriteLogLine(NULL, '!',Mess, Len, LOG_DEBUG_X);
#endif
// #ifdef _DEBUG
strcat(Mess, "\r\n");
OutputDebugString(Mess);
// #endif
return;
}
VOID __cdecl Logprintf(int LogMode, CIRCUIT * conn, int InOut, const char * format, ...)
{
char Mess[1000];
va_list(arglist);int Len;
va_start(arglist, format);
Len = vsprintf(Mess, format, arglist);
WriteLogLine(conn, InOut, Mess, Len, LogMode);
return;
}
struct MsgInfo * GetMsgFromNumber(int msgno)
{
if (msgno < 1 || msgno > 999999)
return NULL;
return MsgnotoMsg[msgno];
}
struct UserInfo * AllocateUserRecord(char * Call)
{
struct UserInfo * User = zalloc(sizeof (struct UserInfo));
strcpy(User->Call, Call);
User->Length = sizeof (struct UserInfo);
GetSemaphore(&AllocSemaphore, 0);
UserRecPtr=realloc(UserRecPtr,(++NumberofUsers+1)*4);
UserRecPtr[NumberofUsers]= User;
FreeSemaphore(&AllocSemaphore);
return User;
}
struct MsgInfo * AllocateMsgRecord()
{
struct MsgInfo * Msg = zalloc(sizeof (struct MsgInfo));
GetSemaphore(&AllocSemaphore, 0);
MsgHddrPtr=realloc(MsgHddrPtr,(++NumberofMessages+1)*4);
MsgHddrPtr[NumberofMessages] = Msg;
FreeSemaphore(&AllocSemaphore);
return Msg;
}
BIDRec * AllocateBIDRecord()
{
BIDRec * BID = zalloc(sizeof (BIDRec));
GetSemaphore(&AllocSemaphore, 0);
BIDRecPtr=realloc(BIDRecPtr,(++NumberofBIDs+1)*4);
BIDRecPtr[NumberofBIDs] = BID;
FreeSemaphore(&AllocSemaphore);
return BID;
}
BIDRec * AllocateTempBIDRecord()
{
BIDRec * BID = zalloc(sizeof (BIDRec));
GetSemaphore(&AllocSemaphore, 0);
TempBIDRecPtr=realloc(TempBIDRecPtr,(++NumberofTempBIDs+1)*4);
TempBIDRecPtr[NumberofTempBIDs] = BID;
FreeSemaphore(&AllocSemaphore);
return BID;
}
struct UserInfo * LookupCall(char * Call)
{
struct UserInfo * ptr = NULL;
int i;
for (i=1; i <= NumberofUsers; i++)
{
ptr = UserRecPtr[i];
if (_stricmp(ptr->Call, Call) == 0) return ptr;
}
return NULL;
}
VOID GetUserDatabase()
{
struct UserInfo UserRec;
FILE * Handle;
int ReadLen;
struct UserInfo * user;
time_t UserLimit = time(NULL) - (UserLifetime * 86400); // Oldest user to keep
int i;
Handle = fopen(UserDatabasePath, "rb");
if (Handle == NULL)
{
// Initialise a new File
UserRecPtr=malloc(4);
UserRecPtr[0]= malloc(sizeof (struct UserInfo));
memset(UserRecPtr[0], 0, sizeof (struct UserInfo));
UserRecPtr[0]->Length = sizeof (struct UserInfo);
NumberofUsers = 0;
return;
}
// Get First Record
ReadLen = fread(&UserRec, 1, sizeof (UserRec), Handle);
if (ReadLen == 0)
{
// Duff file
memset(&UserRec, 0, sizeof (struct UserInfo));
UserRec.Length = sizeof (struct UserInfo);
}
else
{
// See if format has changed
if (UserRec.Length == 0)
{
// Old format without a Length field
struct OldUserInfo * OldRec = (struct OldUserInfo *)&UserRec;
int Users = OldRec->ConnectsIn; // User Count in control record
char Backup1[MAX_PATH];
// Create a backup in case reversion is needed and Reposition to first User record
fclose(Handle);
strcpy(Backup1, UserDatabasePath);
strcat(Backup1, ".oldformat");
CopyFile(UserDatabasePath, Backup1, FALSE); // Copy to .bak
Handle = fopen(UserDatabasePath, "rb");
ReadLen = fread(&UserRec, 1, sizeof (struct OldUserInfo), Handle); // Skip Control Record
// Set up control record
UserRecPtr=malloc(4);
UserRecPtr[0]= malloc(sizeof (struct UserInfo));
memcpy(UserRecPtr[0], &UserRec, sizeof (UserRec));
UserRecPtr[0]->Length = sizeof (UserRec);
NumberofUsers = 0;
OldNext:
ReadLen = fread(&UserRec, 1, sizeof (struct OldUserInfo), Handle);
if (ReadLen > 0)
{
if (OldRec->Call[0] < '0')
goto OldNext; // Blank record
user = AllocateUserRecord(OldRec->Call);
user->Temp = zalloc(sizeof (struct TempUserInfo));
// Copy info from Old record
user->lastmsg = OldRec->lastmsg;
user->Total.ConnectsIn = OldRec->ConnectsIn;
user->TimeLastConnected = OldRec->TimeLastConnected;
user->flags = OldRec->flags;
user->PageLen = OldRec->PageLen;
user->BBSNumber = OldRec->BBSNumber;
memcpy(user->Name, OldRec->Name, 18);
memcpy(user->Address, OldRec->Address, 61);
user->Total.MsgsReceived[0] = OldRec->MsgsReceived;
user->Total.MsgsSent[0] = OldRec->MsgsSent;
user->Total.MsgsRejectedIn[0] = OldRec->MsgsRejectedIn; // Messages we reject
user->Total.MsgsRejectedOut[0] = OldRec->MsgsRejectedOut; // Messages Rejectd by other end
user->Total.BytesForwardedIn[0] = OldRec->BytesForwardedIn;
user->Total.BytesForwardedOut[0] = OldRec->BytesForwardedOut;
user->Total.ConnectsOut = OldRec->ConnectsOut; // Forwarding Connects Out
user->RMSSSIDBits = OldRec->RMSSSIDBits; // SSID's to poll in RMS
memcpy(user->HomeBBS, OldRec->HomeBBS, 41);
memcpy(user->QRA, OldRec->QRA, 7);
memcpy(user->pass, OldRec->pass, 13);
memcpy(user->ZIP, OldRec->ZIP, 9);
// Read any forwarding info, even if not a BBS.
// This allows a BBS to be temporarily set as a
// normal user without loosing forwarding info
SetupForwardingStruct(user);
if (user->flags & F_BBS)
{
// Defined as BBS - allocate and initialise forwarding structure
// Add to BBS Chain;
user->BBSNext = BBSChain;
BBSChain = user;
// Save Highest BBS Number
if (user->BBSNumber > HighestBBSNumber) HighestBBSNumber = user->BBSNumber;
}
goto OldNext;
}
SortBBSChain();
fclose(Handle);
return;
}
}
// Set up control record
UserRecPtr=malloc(4);
UserRecPtr[0]= malloc(sizeof (struct UserInfo));
memcpy(UserRecPtr[0], &UserRec, sizeof (UserRec));
UserRecPtr[0]->Length = sizeof (UserRec);
NumberofUsers = 0;
Next:
ReadLen = fread(&UserRec, 1, sizeof (UserRec), Handle);
if (ReadLen > 0)
{
if (UserRec.Call[0] < '0')
goto Next; // Blank record
if ((UserRec.flags & F_BBS) == 0) // Not BBS - Check Age
if (UserLifetime) // if limit set
if (UserRec.TimeLastConnected) // Dont delete manually added Users that havent yet connected
if (UserRec.TimeLastConnected < UserLimit)
goto Next; // Too Old - ignore
user = AllocateUserRecord(UserRec.Call);
memcpy(user, &UserRec, sizeof (UserRec));
user->Temp = zalloc(sizeof (struct TempUserInfo));
user->ForwardingInfo = NULL; // In case left behind on crash
user->BBSNext = NULL;
user->POP3Locked = FALSE;
if (user->lastmsg < 0 || user->lastmsg > LatestMsg)
user->lastmsg = LatestMsg;
goto Next;
}
// Setting up BBS struct has been moved until all user record
// have been read so we can fix corrupt BBSNUmber
for (i=1; i <= NumberofUsers; i++)
{
user = UserRecPtr[i];
// Read any forwarding info, even if not a BBS.
// This allows a BBS to be temporarily set as a
// normal user without loosing forwarding info
SetupForwardingStruct(user);
if (user->flags & F_BBS)
{
// Add to BBS Chain;
if (user->BBSNumber == NBBBS) // Fix corrupt records
{
user->BBSNumber = FindFreeBBSNumber();
if (user->BBSNumber == 0)
user->BBSNumber = NBBBS; // cant really do much else
}
user->BBSNext = BBSChain;
BBSChain = user;
// Logprintf(LOG_BBS, NULL, '?', "BBS %s BBSNumber %d", user->Call, user->BBSNumber);
// Save Highest BBS Number
if (user->BBSNumber > HighestBBSNumber)
HighestBBSNumber = user->BBSNumber;
}
}
// Check for dulicate BBS numbers
for (i=1; i <= NumberofUsers; i++)
{
user = UserRecPtr[i];
if (user->flags & F_BBS)
CheckBBSNumber(user->BBSNumber);
}
SortBBSChain();
fclose(Handle);
}
VOID CopyUserDatabase()
{
char Backup1[MAX_PATH];
char Backup2[MAX_PATH];
// Keep 4 Generations
strcpy(Backup2, UserDatabasePath);
strcat(Backup2, ".bak.3");
strcpy(Backup1, UserDatabasePath);
strcat(Backup1, ".bak.2");
DeleteFile(Backup2); // Remove old .bak.3
MoveFile(Backup1, Backup2); // Move .bak.2 to .bak.3
strcpy(Backup2, UserDatabasePath);
strcat(Backup2, ".bak.1");
MoveFile(Backup2, Backup1); // Move .bak.1 to .bak.2
strcpy(Backup1, UserDatabasePath);
strcat(Backup1, ".bak");
MoveFile(Backup1, Backup2); //Move .bak to .bak.1
CopyFile(UserDatabasePath, Backup1, FALSE); // Copy to .bak
}
VOID CopyConfigFile(char * ConfigName)
{
char Backup1[MAX_PATH];
char Backup2[MAX_PATH];
// Keep 4 Generations
strcpy(Backup2, ConfigName);
strcat(Backup2, ".bak.3");
strcpy(Backup1, ConfigName);
strcat(Backup1, ".bak.2");
DeleteFile(Backup2); // Remove old .bak.3
MoveFile(Backup1, Backup2); // Move .bak.2 to .bak.3
strcpy(Backup2, ConfigName);
strcat(Backup2, ".bak.1");
MoveFile(Backup2, Backup1); // Move .bak.1 to .bak.2
strcpy(Backup1, ConfigName);
strcat(Backup1, ".bak");
MoveFile(Backup1, Backup2); // Move .bak to .bak.1
CopyFile(ConfigName, Backup1, FALSE); // Copy to .bak
}
VOID SaveUserDatabase()
{
FILE * Handle;
int WriteLen;
int i;
Handle = fopen(UserDatabasePath, "wb");
UserRecPtr[0]->Total.ConnectsIn = NumberofUsers;
for (i=0; i <= NumberofUsers; i++)
{
WriteLen = fwrite(UserRecPtr[i], 1, sizeof (struct UserInfo), Handle);
}
fclose(Handle);
return;
}
VOID GetMessageDatabase()
{
struct MsgInfo MsgRec;
FILE * Handle;
int ReadLen;
struct MsgInfo * Msg;
char * MsgBytes;
int FileRecsize = sizeof(struct MsgInfo); // May be changed if reformating
BOOL Reformatting = FALSE;
Handle = fopen(MsgDatabasePath, "rb");
if (Handle == NULL)
{
// Initialise a new File
MsgHddrPtr=malloc(4);
MsgHddrPtr[0]= zalloc(sizeof (MsgRec));
NumberofMessages = 0;
MsgHddrPtr[0]->status = 2;
return;
}
// Get First Record
ReadLen = fread(&MsgRec, 1, FileRecsize, Handle);
if (ReadLen == 0)
{
// Duff file
memset(&MsgRec, 0, sizeof (MsgRec));
MsgRec.status = 2;
}
// Set up control record
MsgHddrPtr=malloc(4);
MsgHddrPtr[0]= malloc(sizeof (MsgRec));
memcpy(MsgHddrPtr[0], &MsgRec, sizeof (MsgRec));
LatestMsg=MsgHddrPtr[0]->length;
NumberofMessages = 0;
if (MsgRec.status == 1) // Used as file format version
// 0 = original, 1 = Extra email from addr, 2 = More BBS's.
{
char Backup1[MAX_PATH];
// Create a backup in case reversion is needed and Reposition to first User record
fclose(Handle);
strcpy(Backup1, MsgDatabasePath);
strcat(Backup1, ".oldformat");
CopyFile(MsgDatabasePath, Backup1, FALSE); // Copy to .oldformat
Handle = fopen(MsgDatabasePath, "rb");
FileRecsize = sizeof(struct OldMsgInfo);
ReadLen = fread(&MsgRec, 1, FileRecsize, Handle);
MsgHddrPtr[0]->status = 2;
}
Next:
ReadLen = fread(&MsgRec, 1, FileRecsize, Handle);
if (ReadLen > 0)
{
// Validate Header
if (FileRecsize == sizeof(struct MsgInfo))
{
if (MsgRec.type == 0 || MsgRec.number == 0)
goto Next;
MsgBytes = ReadMessageFileEx(&MsgRec);
if (MsgBytes)
{
// MsgRec.length = strlen(MsgBytes);
free(MsgBytes);
}
else
goto Next;
Msg = AllocateMsgRecord();
memcpy(Msg, &MsgRec, +sizeof (MsgRec));
}
else
{
// Resizing - record from file is an OldRecInfo
struct OldMsgInfo * OldMessage = (struct OldMsgInfo *) &MsgRec;
if (OldMessage->type == 0)
goto Next;
if (OldMessage->number > 99999 || OldMessage->number < 1)
goto Next;
Msg = AllocateMsgRecord();
Msg->B2Flags = OldMessage->B2Flags;
memcpy(Msg->bbsfrom, OldMessage->bbsfrom, 7);
memcpy(Msg->bid, OldMessage->bid, 13);
Msg->datechanged = OldMessage->datechanged;
Msg->datecreated = OldMessage->datecreated;
Msg->datereceived = OldMessage->datereceived;
memcpy(Msg->emailfrom, OldMessage->emailfrom, 41);
memcpy(Msg->fbbs , OldMessage->fbbs, 10);
memcpy(Msg->forw , OldMessage->forw, 10);
memcpy(Msg->from, OldMessage->from, 7);
Msg->length = OldMessage->length;
Msg->nntpnum = OldMessage->nntpnum;
Msg->number = OldMessage->number;
Msg->status = OldMessage->status;
memcpy(Msg->title, OldMessage->title, 61);
memcpy(Msg->to, OldMessage->to, 7);
Msg->type = OldMessage->type;
memcpy(Msg->via, OldMessage->via, 41);
}
MsgnotoMsg[Msg->number] = Msg;
// Fix Corrupted NTS Messages
if (Msg->type == 'N')
Msg->type = 'T';
// Look for corrupt FROM address (ending in @)
strlop(Msg->from, '@');
BuildNNTPList(Msg); // Build NNTP Groups list
Msg->Locked = 0; // In case left locked
Msg->Defered = 0; // In case left set.
// If any forward bits are set, increment count on corresponding BBS record.
if (memcmp(Msg->fbbs, zeros, NBMASK) != 0)
{
if (FirstMessageIndextoForward == 0)
FirstMessageIndextoForward = NumberofMessages; // limit search
}
goto Next;
}
if (FirstMessageIndextoForward == 0)
FirstMessageIndextoForward = NumberofMessages; // limit search
fclose(Handle);
}
VOID CopyMessageDatabase()
{
char Backup1[MAX_PATH];
char Backup2[MAX_PATH];
// Keep 4 Generations
strcpy(Backup2, MsgDatabasePath);
strcat(Backup2, ".bak.3");
strcpy(Backup1, MsgDatabasePath);
strcat(Backup1, ".bak.2");
DeleteFile(Backup2); // Remove old .bak.3
MoveFile(Backup1, Backup2); // Move .bak.2 to .bak.3
strcpy(Backup2, MsgDatabasePath);
strcat(Backup2, ".bak.1");
MoveFile(Backup2, Backup1); // Move .bak.1 to .bak.2
strcpy(Backup1, MsgDatabasePath);
strcat(Backup1, ".bak");
MoveFile(Backup1, Backup2); //Move .bak to .bak.1
strcpy(Backup2, MsgDatabasePath);
strcat(Backup2, ".bak");
CopyFile(MsgDatabasePath, Backup2, FALSE); // Copy to .bak
}
VOID SaveMessageDatabase()
{
FILE * Handle;
int WriteLen;
int i;
Handle = fopen(MsgDatabasePath, "wb");
if (Handle == NULL)
{
CriticalErrorHandler("Failed to open message database");
return;
}
MsgHddrPtr[0]->status = 2;
MsgHddrPtr[0]->number = NumberofMessages;
MsgHddrPtr[0]->length = LatestMsg;