Source file: /~heha/hs/sftpplug.zip/src/sftpplug.cpp

// sertransplg.cpp : Defines the entry point for the DLL application.
//

#include "windows.h"
#include "fsplugin.h"
#include "utils.h"
#include "resource.h"
#include "sftpfunc.h"
#include "multiserver.h"
#include "cunicode.h"

HINSTANCE hinst;
HWND hWndMain=NULL;

#define defininame "sftpplug.ini"
#define templatefile "sftpplug.tpl"
char inifilename[MAX_PATH]=defininame;
char pluginname[]="SFTP";
char defrootname[]="Secure FTP";

char s_f7newconnection[32];
char s_quickconnect[32];
WCHAR s_f7newconnectionW[32];
WCHAR s_quickconnectW[32];

BOOL disablereading=false;   // disable reading of subdirs to delete whole drives
BOOL freportconnect=true;    // report connect to caller only on first connect
BOOL CryptCheckPass=false;   // check 'store password encrypted' by default

BOOL APIENTRY DllMain( HANDLE hModule, 
                       DWORD  ul_reason_for_call, 
                       LPVOID lpReserved
                )
{
	if (ul_reason_for_call==DLL_PROCESS_ATTACH) {
		hinst=(HINSTANCE)hModule;
		LoadString(hinst, IDS_F7NEW, s_f7newconnection, sizeof(s_f7newconnection)-1);
		awlcopy(s_f7newconnectionW,s_f7newconnection,countof(s_f7newconnectionW)-1);
		LoadString(hinst, IDS_QUICKCONNECT, s_quickconnect, sizeof(s_quickconnect)-1);
		awlcopy(s_quickconnectW,s_quickconnect,countof(s_quickconnectW)-1);
	} else if (ul_reason_for_call==DLL_PROCESS_DETACH) {
	}
	return TRUE;
}

int PluginNumber=0;
int CryptoNumber=0;
DWORD mainthreadid=0;
tProgressProc ProgressProc=NULL;
tProgressProcW ProgressProcW=NULL;
tLogProc LogProc=NULL;
tLogProcW LogProcW=NULL;
tRequestProc RequestProc=NULL;
tRequestProcW RequestProcW=NULL;
tCryptProc CryptProc=NULL;

BOOL IsMainThread()
{
	return GetCurrentThreadId()==mainthreadid;
}

BOOL MessageLoop(void* serverid)
{
	BOOL aborted=false;
	pConnectSettings ConnectSettings=(pConnectSettings)serverid;
	if (ConnectSettings && ProgressProc && abs(GetCurrentTime()-ConnectSettings->lastpercenttime)>250) {
        // important: also call AFTER soft_aborted is true!!!
        aborted=0!=ProgressProc(PluginNumber,NULL,NULL,ConnectSettings->lastpercent);
        // allow abort with Escape when there is no progress dialog!
        ConnectSettings->lastpercenttime=GetCurrentTime();
    }
    return aborted;
}

void ShowStatus(char* status)
{
    if (LogProc)
        LogProc(PluginNumber,MSGTYPE_DETAILS,status);
}

void ShowStatusW(WCHAR* status)
{
	LogProcT(PluginNumber,MSGTYPE_DETAILS,status);
}

BOOL UpdatePercentBar(void* serverid,int percent)
{
	pConnectSettings ConnectSettings=(pConnectSettings)serverid;
	if (ConnectSettings)
		ConnectSettings->lastpercent=percent;  // used for MessageLoop below

    return MessageLoop(serverid);  // This actually sets the percent bar!
}

SERVERID GetServerIdAndRelativePathFromPath(char* Path,char* RelativePath,int maxlen)
{
	char DisplayName[wdirtypemax];
	GetDisplayNameFromPath(Path,DisplayName,sizeof(DisplayName)-1);
	SERVERID serverid=GetServerIdFromName(DisplayName,GetCurrentThreadId());
	if (serverid) {
		RelativePath[0]=0;
		char* p=Path;
		while (p[0]=='\\' || p[0]=='/')  // skip initial slash
			p++;
		while (p[0]!=0 && p[0]!='\\' && p[0]!='/') // skip path
			p++;
		strlcat(RelativePath,p,maxlen);
		if (RelativePath[0]==0)
			strlcpy(RelativePath,"\\",maxlen-1);
	} else if (maxlen)
		strlcpy(RelativePath,"\\",maxlen-1);
	return serverid;
}

SERVERID GetServerIdAndRelativePathFromPathW(WCHAR* Path,WCHAR* RelativePath,int maxlen)
{
	char DisplayName[wdirtypemax],PathA[wdirtypemax];
	walcopy(PathA,Path,sizeof(PathA)-1);
	GetDisplayNameFromPath(PathA,DisplayName,sizeof(DisplayName)-1);
	SERVERID serverid=GetServerIdFromName(DisplayName,GetCurrentThreadId());
	if (serverid) {
		RelativePath[0]=0;
		WCHAR* p=Path;
		while (p[0]=='\\' || p[0]=='/')  // skip initial slash
			p++;
		while (p[0]!=0 && p[0]!='\\' && p[0]!='/') // skip path
			p++;
		wcslcat(RelativePath,p,maxlen);
		if (RelativePath[0]==0)
			wcslcpy(RelativePath,L"\\",maxlen-1);
	} else if (maxlen)
		wcslcpy(RelativePath,L"\\",maxlen-1);
	return serverid;
}

int __stdcall FsInit(int PluginNr,tProgressProc pProgressProc,tLogProc pLogProc,tRequestProc pRequestProc)
{
	ProgressProc=pProgressProc;
	LogProc=pLogProc;
	RequestProc=pRequestProc;
	PluginNumber=PluginNr;
	mainthreadid=GetCurrentThreadId();
	InitMultiServer();
	return 0;
}

int __stdcall FsInitW(int PluginNr,tProgressProcW pProgressProcW,tLogProcW pLogProcW,tRequestProcW pRequestProcW)
{
	ProgressProcW=pProgressProcW;
	LogProcW=pLogProcW;
	RequestProcW=pRequestProcW;
	PluginNumber=PluginNr;
	mainthreadid=GetCurrentThreadId();
	InitMultiServer();
	return 0;
}

void __stdcall FsSetCryptCallback(tCryptProc pCryptProc,int CryptoNr,int Flags)
{
	CryptProc=pCryptProc;
	CryptCheckPass=(Flags & FS_CRYPTOPT_MASTERPASS_SET)!=0;
	CryptoNumber=CryptoNr;
}

typedef struct {
   void* sftpdataptr;
   SERVERID serverid;
   SERVERHANDLE rootfindhandle;
   BOOL rootfindfirst;
} tLastFindStuct,*pLastFindStuct;

BOOL __stdcall FsDisconnect(char* DisconnectRoot)
{
	char DisplayName[wdirtypemax];
	GetDisplayNameFromPath(DisconnectRoot,DisplayName,sizeof(DisplayName)-1);
	SERVERID serverid=GetServerIdFromName(DisplayName,GetCurrentThreadId());
	if (serverid) {
		char connbuf[wdirtypemax];
		strlcpy(connbuf,"DISCONNECT \\",sizeof(connbuf)-1);
		strlcat(connbuf,DisplayName,sizeof(connbuf)-1);
		LogProc(PluginNumber,MSGTYPE_DISCONNECT,connbuf);
		SftpCloseConnection(serverid);
		SetServerIdForName(DisplayName,NULL); // this frees it too!
	}
	return TRUE;
}
 
HANDLE __stdcall FsFindFirstW(WCHAR* Path,WIN32_FIND_DATAW *FindData)
{
	WCHAR remotedir[wdirtypemax];
	char DisplayName[wdirtypemax],PathA[wdirtypemax];
	pLastFindStuct lf;

	void* sftpdataptr=NULL;
	BOOL wasconnected=true;

	if (wcscmp(Path,L"\\")==0) {  // in the root!
		char s_helptext[256];
		LoadString(hinst, IDS_HELPTEXT, s_helptext, sizeof(s_helptext));
		LoadServersFromIni(inifilename,s_quickconnect);
		memset(FindData,0,sizeof(WIN32_FIND_DATA));

		awlcopy(FindData->cFileName,s_f7newconnection,countof(FindData->cFileName)-1);
		FindData->dwFileAttributes=0;
		FindData->ftLastWriteTime.dwHighDateTime=0xFFFFFFFF;
		FindData->ftLastWriteTime.dwLowDateTime=0xFFFFFFFE;
		FindData->nFileSizeLow=(DWORD)strlen(s_helptext);
		lf=(pLastFindStuct)malloc(sizeof(tLastFindStuct));
		memset(lf,0,sizeof(tLastFindStuct));
		lf->rootfindfirst=true;
		return lf;
	} else {
		// load server list if user connects directly via URL
		LoadServersFromIni(inifilename,s_quickconnect);
		// only disable the reading within a server!
		if (disablereading && IsMainThread()) {
			SetLastError(ERROR_NO_MORE_FILES);
			return INVALID_HANDLE_VALUE;
		}

		walcopy(PathA,Path,wdirtypemax-1);
		GetDisplayNameFromPath(PathA,DisplayName,sizeof(DisplayName)-1);
		SERVERID serverid=GetServerIdFromName(DisplayName,GetCurrentThreadId());
		if (serverid==NULL) {
			wasconnected=false;
			serverid=SftpConnectToServer(DisplayName,inifilename,NULL);
			if (serverid)
				SetServerIdForName(DisplayName,serverid);
			else {
				SetLastError(ERROR_PATH_NOT_FOUND);
				return INVALID_HANDLE_VALUE;
			}
		}
		// we are connected to server DisplayName now!

		memset(FindData,0,sizeof(WIN32_FIND_DATAW));

		GetServerIdAndRelativePathFromPathW(Path,remotedir,wdirtypemax-1);

		// Retrieve the directory
		BOOL ok=SFTP_OK==SftpFindFirstFileW(serverid,remotedir,&sftpdataptr);
		
		if (wcslen(remotedir)<=1 || wcscmp(remotedir+1,L"home")==0) {    // root -> add ~ link to home dir
			SYSTEMTIME st;
			FindData->dwFileAttributes=0;
			wcslcpy(FindData->cFileName,L"~",countof(FindData->cFileName)-1);
			FindData->cAlternateFileName[0]=0;
			FindData->ftCreationTime.dwHighDateTime=0;
			FindData->ftCreationTime.dwLowDateTime=0;
			FindData->ftLastAccessTime.dwHighDateTime=0;
			FindData->ftLastAccessTime.dwLowDateTime=0;
			GetSystemTime(&st);
			SystemTimeToFileTime(&st,&FindData->ftLastWriteTime);
			FindData->nFileSizeHigh=0;
			FindData->nFileSizeLow=0;
			FindData->dwFileAttributes|=0x80000000;
			FindData->dwReserved0=LIBSSH2_SFTP_S_IFLNK | 0555; //attributes and format mask

			lf=(pLastFindStuct)malloc(sizeof(tLastFindStuct));
			memset(lf,0,sizeof(tLastFindStuct));
			if (ok)
				lf->sftpdataptr=sftpdataptr;
			lf->serverid=serverid;
			return (HANDLE)lf;
		}
		if (!ok) {
			if (!wasconnected) {  // initial connect failed
				SftpCloseConnection(serverid);
				SetServerIdForName(DisplayName,NULL); // this frees it too!
				freportconnect=false;
			}
			SetLastError(ERROR_PATH_NOT_FOUND);
			return INVALID_HANDLE_VALUE;
		}

		if (SFTP_OK==SftpFindNextFileW(serverid,sftpdataptr,FindData)) {
			lf=(pLastFindStuct)malloc(sizeof(tLastFindStuct));
			memset(lf,0,sizeof(tLastFindStuct));
			lf->sftpdataptr=sftpdataptr;
			lf->serverid=serverid;
			return (HANDLE)lf;
		} else {
			SftpFindClose(serverid,sftpdataptr);
			SetLastError(ERROR_NO_MORE_FILES);
			return INVALID_HANDLE_VALUE;
		}
	}
	return INVALID_HANDLE_VALUE;
}

HANDLE __stdcall FsFindFirst(char* Path,WIN32_FIND_DATA *FindData)
{
	WIN32_FIND_DATAW FindDataW;
	WCHAR PathW[wdirtypemax];
	HANDLE retval=FsFindFirstW(awfilenamecopy(PathW,Path),&FindDataW);
	if (retval!=INVALID_HANDLE_VALUE)
		copyfinddatawa(FindData,&FindDataW);
	return retval;
}

BOOL __stdcall FsFindNextW(HANDLE Hdl,WIN32_FIND_DATAW *FindData)
{
	pLastFindStuct lf;
	char name[wdirtypemax];

	if ((int)Hdl==1)
		return false;

	lf=(pLastFindStuct)Hdl;
	if (lf!=INVALID_HANDLE_VALUE) {
		if (lf->rootfindfirst) {
			name[0]=0;
			SERVERHANDLE hdl=FindFirstServer(name,sizeof(name)-1);
			if (hdl) {
				awlcopy(FindData->cFileName,name,countof(FindData->cFileName)-1);
				lf->rootfindhandle=hdl;
				lf->rootfindfirst=false;
				FindData->dwFileAttributes=0x80000000;
				FindData->dwReserved0=LIBSSH2_SFTP_S_IFLNK; //it's a link
				FindData->ftLastWriteTime.dwHighDateTime=0xFFFFFFFF;
				FindData->ftLastWriteTime.dwLowDateTime=0xFFFFFFFE;
				FindData->nFileSizeLow=0;
				return true;
			} else
				return false;
		} else if (lf->rootfindhandle) {
			name[0]=0;
			lf->rootfindhandle=FindNextServer(lf->rootfindhandle,name,sizeof(name)-1);
			if (lf->rootfindhandle) {
				awlcopy(FindData->cFileName,name,countof(FindData->cFileName)-1);
				FindData->dwFileAttributes=0x80000000;
				FindData->dwReserved0=LIBSSH2_SFTP_S_IFLNK; //it's a link
			}
			return lf->rootfindhandle!=NULL;
		} else if (lf->sftpdataptr)
			return SftpFindNextFileW(lf->serverid,lf->sftpdataptr,FindData)==SFTP_OK;
	}
	return false;
}

BOOL __stdcall FsFindNext(HANDLE Hdl,WIN32_FIND_DATA *FindData)
{
	WIN32_FIND_DATAW FindDataW;
	copyfinddataaw(&FindDataW,FindData);
	BOOL retval=FsFindNextW(Hdl,&FindDataW);
	if (retval)
		copyfinddatawa(FindData,&FindDataW);
	return retval;
}

int __stdcall FsFindClose(HANDLE Hdl)
{
   if (Hdl==INVALID_HANDLE_VALUE)
      return 0;
   pLastFindStuct lf;
   lf=(pLastFindStuct)Hdl;
   if (lf->sftpdataptr) {
	   SftpFindClose(lf->serverid,lf->sftpdataptr);
	   lf->sftpdataptr=NULL;
   }
   free(lf);
   return 0;
}

BOOL __stdcall FsMkDirW(WCHAR* Path)
{
	WCHAR* p=wcschr(Path+1,'\\');
	if (p) {
		WCHAR remotedir[wdirtypemax];
		SERVERID serverid=GetServerIdAndRelativePathFromPathW(Path,remotedir,countof(remotedir)-1);
		if (serverid)
			return SftpCreateDirectoryW(serverid,remotedir)==SFTP_OK;
		else
			return false;
	} else {  // new connection
		char remotedir[wdirtypemax];
		walcopy(remotedir,Path+1,sizeof(remotedir)-1);
		if (strcmp(remotedir,s_quickconnect)!=0 &&
			strcmp(remotedir,s_f7newconnection)!=0) {
			LoadServersFromIni(inifilename,s_quickconnect);
			if (SftpConfigureServer(remotedir,inifilename)) {
				LoadServersFromIni(inifilename,s_quickconnect);
				return true;
			} else
				return false;
		} else
			return false;
	}
}

BOOL __stdcall FsMkDir(char* Path)
{
	WCHAR wbuf[wdirtypemax];
	return FsMkDirW(awfilenamecopy(wbuf,Path));
}

int __stdcall FsExecuteFileW(HWND MainWin,WCHAR* RemoteName,WCHAR* Verb)
{
	char remoteserver[wdirtypemax];
	WCHAR remotedir[wdirtypemax];
	if (_wcsicmp(Verb,L"open")==0) {   // follow symlink
		if (RemoteName[1] && wcschr(RemoteName+1,'\\')!=0) {
			SERVERID serverid=GetServerIdAndRelativePathFromPathW(RemoteName,remotedir,countof(remotedir)-1);
			
			if (SftpLinkFolderTargetW(serverid,remotedir,wdirtypemax-1)) {
				// now build the target name: server name followed by new path
				WCHAR* p;
				p=wcschr(RemoteName+1,'\\');
				if (p) {
					p[0]=0;
					// make sure that we can reach the path!!!
					wcslcat(RemoteName,remotedir,wdirtypemax-1);
					ReplaceSlashByBackslashW(RemoteName);
					return FS_EXEC_SYMLINK;
				}
				return FS_EXEC_ERROR;
			}
		} else {
			if (_wcsicmp(RemoteName+1,s_f7newconnectionW)!=0) {
				WCHAR* p=RemoteName+wcslen(RemoteName);
				walcopy(remoteserver,RemoteName+1,sizeof(remoteserver)-1);
				SERVERID serverid=GetServerIdFromName(remoteserver,GetCurrentThreadId());
				if (serverid) {
					SftpGetLastActivePathW(serverid,p,wdirtypemax-(DWORD)(p-RemoteName)-1);
				} else {
					// Quick connect: We must connect here, otherwise we
					// cannot switch to the subpath chosen by the user!
					walcopy(remoteserver,RemoteName+1,sizeof(remoteserver)-1);
					if (_stricmp(remoteserver,s_quickconnect)==0) {
						serverid=SftpConnectToServer(remoteserver,inifilename,NULL);
						if (serverid) {
							SetServerIdForName(remoteserver,serverid);
							SftpGetLastActivePathW(serverid,p,wdirtypemax-(DWORD)(p-RemoteName)-1);
						} else
							return FS_EXEC_ERROR;
					} else
						SftpGetServerBasePathW(RemoteName+1,p,wdirtypemax-(DWORD)(p-RemoteName)-1,inifilename);
				}
				if (p[0]==0)
					wcslcat(RemoteName,L"/",wdirtypemax-1);
				ReplaceSlashByBackslashW(RemoteName);
				return FS_EXEC_SYMLINK;
			}
		}
		return FS_EXEC_YOURSELF;
	} else if (_wcsicmp(Verb,L"properties")==0) {
		if (RemoteName[1] && wcschr(RemoteName+1,'\\')==0) {
			walcopy(remoteserver,RemoteName+1,sizeof(remoteserver)-1);
			if (_stricmp(remoteserver,s_f7newconnection)!=0 && _stricmp(remoteserver,s_quickconnect)!=0) {
				if (SftpConfigureServer(remoteserver,inifilename)) {
					LoadServersFromIni(inifilename,s_quickconnect);
				}
			}
			return FS_EXEC_OK;
		} else {
			WCHAR remotenameW[wdirtypemax];
			SERVERID serverid=GetServerIdAndRelativePathFromPathW(RemoteName,remotenameW,countof(remotenameW)-1);
			SftpShowPropertiesW(serverid,remotenameW);
			return FS_EXEC_OK;
		}
	} else if (_wcsnicmp(Verb,L"chmod ",6)==0) {
		if (RemoteName[1] && wcschr(RemoteName+1,'\\')!=0) {
			SERVERID serverid=GetServerIdAndRelativePathFromPathW(RemoteName,remotedir,countof(remotedir)-1);
			if (SftpChmodW(serverid,remotedir,Verb+6))
				return FS_EXEC_OK;
		}
		return FS_EXEC_ERROR;
	} else if (_wcsnicmp(Verb,L"quote ",6)==0) {
		if (wcsncmp(Verb+6,L"cd ",3)==0) {
			// first get the start path within the plugin
			SERVERID serverid=GetServerIdAndRelativePathFromPathW(RemoteName,remotedir,countof(remotedir)-1);

			if (Verb[9]!='\\' && Verb[9]!='/') {     // relative path?
				wcslcatbackslash(remotedir,countof(remotedir)-1);
				wcslcat(remotedir,Verb+9,countof(remotedir)-1);
			} else
				wcslcpy(remotedir,Verb+9,countof(remotedir)-1);
			ReplaceSlashByBackslashW(remotedir);

			WCHAR* p;
			p=wcschr(RemoteName+1,'\\');
			if (p) {
				p[0]=0;
				// make sure that we can reach the path!!!
				wcslcat(RemoteName,remotedir,wdirtypemax-1);
				ReplaceSlashByBackslashW(RemoteName);
				return FS_EXEC_SYMLINK;
			}
		} else {
			if (RemoteName[1] && wcschr(RemoteName+1,'\\')!=0) {
				WCHAR remotedir[wdirtypemax];
				SERVERID serverid=GetServerIdAndRelativePathFromPathW(RemoteName,remotedir,countof(remotedir)-1);
				if (SftpQuoteCommand2W(serverid,remotedir,Verb+6,NULL,0))
					return FS_EXEC_OK;
			}
		}
	} else if (_wcsnicmp(Verb,L"mode ",5)==0) {   // Binary/Text/Auto
		SftpSetTransferModeW(Verb+5);
	}
	return FS_EXEC_ERROR;
}

int __stdcall FsExecuteFile(HWND MainWin,char* RemoteName,char* Verb)
{
	WCHAR RemoteNameW[wdirtypemax],VerbW[wdirtypemax];
	int ret=FsExecuteFileW(MainWin,awfilenamecopy(RemoteNameW,RemoteName),awfilenamecopy(VerbW,Verb));
	if (ret==FS_EXEC_SYMLINK)
		walcopy(RemoteName,RemoteNameW,MAX_PATH-1);
	return ret;
}

BOOL CopyMoveEncryptedPassword(char* OldName,char* NewName,BOOL Move)
{
	if (CryptProc)
		return CryptProc(PluginNumber,CryptoNumber,Move ? FS_CRYPT_MOVE_PASSWORD:FS_CRYPT_COPY_PASSWORD,
			OldName,NewName,0)==FS_FILE_OK;
	else
		return false;
}

int __stdcall FsRenMovFileW(WCHAR* OldName,WCHAR* NewName,BOOL Move,BOOL OverWrite,RemoteInfoStruct* ri)
{
	WCHAR olddir[wdirtypemax],newdir[wdirtypemax];

	// Rename or copy a server?
	WCHAR* p1=wcschr(OldName+1,'\\');
	WCHAR* p2=wcschr(NewName+1,'\\');
	if (p1==NULL && p2==NULL) {
		char OldNameA[MAX_PATH],NewNameA[MAX_PATH];
		walcopy(OldNameA,OldName+1,sizeof(OldNameA)-1);
		walcopy(NewNameA,NewName+1,sizeof(NewNameA)-1);
		switch (CopyMoveServerInIni(OldNameA,NewNameA,Move,OverWrite,inifilename)) {
			case 0:
				CopyMoveEncryptedPassword(OldNameA,NewNameA,Move);
				return FS_FILE_OK;
				break;
			case 1:
				return FS_FILE_EXISTS;
				break;
		}
		return FS_FILE_NOTFOUND;

	}

	SERVERID serverid1=GetServerIdAndRelativePathFromPathW(OldName,olddir,countof(olddir)-1);
	SERVERID serverid2=GetServerIdAndRelativePathFromPathW(NewName,newdir,countof(newdir)-1);

	// must be on same server!
	if (serverid1!=serverid2 || serverid1==NULL)
		return FS_FILE_NOTFOUND;

	pConnectSettings ConnectSettings=(pConnectSettings)serverid1;
	if (ConnectSettings)
		ConnectSettings->lastpercent=0;
	
	BOOL isdir=false;
	if (ri)
		isdir=(ri->Attr & FILE_ATTRIBUTE_DIRECTORY)!=0;

	switch (SftpRenameMoveFileW(serverid1,olddir,newdir,Move,OverWrite,isdir)) {
	case SFTP_OK:
		return FS_FILE_OK;
	case SFTP_EXISTS:
		return FS_FILE_EXISTS;
	default:
		return FS_FILE_NOTFOUND;
	}
}

int __stdcall FsRenMovFile(char* OldName,char* NewName,BOOL Move,BOOL OverWrite,RemoteInfoStruct* ri)
{
	WCHAR OldNameW[wdirtypemax],NewNameW[wdirtypemax];
	return FsRenMovFileW(awfilenamecopy(OldNameW,OldName),awfilenamecopy(NewNameW,NewName),Move,OverWrite,ri);
}

BOOL FileExistsT(WCHAR* LocalName)
{
	WIN32_FIND_DATAW s;
	HANDLE findhandle;
	findhandle=FindFirstFileT(LocalName,&s);
	if (findhandle==INVALID_HANDLE_VALUE)
		return false;
	else {
		FindClose(findhandle);
		return true;
	}
}

void RemoveInalidChars(char* p)
{
   while (p[0]) {
      if ((unsigned char)(p[0])<32)
         p[0]=' ';
      else if (p[0]==':' || p[0]=='|' || p[0]=='*' || p[0]=='?' || p[0]=='\\' || p[0]=='/' || p[0]=='"')
         p[0]='_';
      p++;
   }
}

void RemoveInalidCharsW(WCHAR* p)
{
   while (p[0]) {
      if ((unsigned int)(p[0])<32)
         p[0]=' ';
      else if (p[0]==':' || p[0]=='|' || p[0]=='*' || p[0]=='?' || p[0]=='\\' || p[0]=='/' || p[0]=='"')
         p[0]='_';
      p++;
   }
}

int __stdcall FsGetFileW(WCHAR* RemoteName,WCHAR* LocalName,int CopyFlags,RemoteInfoStruct* ri)
{
	int err;
	BOOL OverWrite,Resume,Move;

	OverWrite=CopyFlags & FS_COPYFLAGS_OVERWRITE;
	Resume=CopyFlags & FS_COPYFLAGS_RESUME;
	Move=CopyFlags & FS_COPYFLAGS_MOVE;

	if (wcslen(RemoteName)<3)
		return FS_FILE_NOTFOUND;

	if (wcscmp(RemoteName+1,s_f7newconnectionW)==0) {
		HANDLE houtfile=CreateFileT(LocalName,GENERIC_WRITE,FILE_SHARE_READ | FILE_SHARE_WRITE,NULL,
			OverWrite ? CREATE_ALWAYS : CREATE_NEW,
			FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN,NULL);
		if (houtfile!=INVALID_HANDLE_VALUE) {
			DWORD written;
			char s_helptext[256];
			LoadString(hinst, IDS_HELPTEXT, s_helptext, sizeof(s_helptext));
			BOOL ret=WriteFile(houtfile,s_helptext,(DWORD)strlen(s_helptext),&written,NULL);
			CloseHandle(houtfile);
			if (ret)
				return FS_FILE_OK;
		} else
			if (OverWrite)
				return FS_FILE_EXISTS;
		return FS_FILE_WRITEERROR;
	}

	WCHAR* p=wcsrchr(LocalName,'\\');
	if (p)
		RemoveInalidCharsW(p+1);  // Changes the name passed in!

	WCHAR remotedir[wdirtypemax];
	SERVERID serverid=GetServerIdAndRelativePathFromPathW(RemoteName,remotedir,countof(remotedir)-1);
	if (serverid==NULL)
		return FS_FILE_READERROR;
	pConnectSettings ConnectSettings=(pConnectSettings)serverid;
	if (ConnectSettings)
		ConnectSettings->lastpercent=0;

	err=ProgressProcT(PluginNumber,RemoteName,LocalName,0);
	if (err)
		return FS_FILE_USERABORT;
	if (OverWrite)
		DeleteFileT(LocalName);
	else {
		if (!Resume && FileExistsT(LocalName)) {
			// Resume isn't possible because we cannot know
			// which <CR> characters were already in the original
			// file, and which were added during the download
			pConnectSettings ConnectSettings=(pConnectSettings)serverid;
			BOOL TextMode=(ConnectSettings->unixlinebreaks==1) && SftpDetermineTransferModeW(RemoteName);
			if (TextMode)
				return SFTP_FAILED;
			else
				return FS_FILE_EXISTSRESUMEALLOWED;
		}
	}

	_int64 filesize=(((_int64)ri->SizeHigh)<<32)+ri->SizeLow;
	
	switch (SftpDownloadFileW(serverid,remotedir,LocalName,true,filesize,&ri->LastWriteTime,Resume)) {
		case SFTP_OK:return FS_FILE_OK;
		case SFTP_EXISTS:return FS_FILE_EXISTS;
		case SFTP_READFAILED:return FS_FILE_READERROR;
		case SFTP_WRITEFAILED:return FS_FILE_WRITEERROR;
		case SFTP_ABORT:return FS_FILE_USERABORT;
	}
	return FS_FILE_OK;
}

int __stdcall FsGetFile(char* RemoteName,char* LocalName,int CopyFlags,RemoteInfoStruct* ri)
{
	WCHAR RemoteNameW[wdirtypemax],LocalNameW[wdirtypemax];
	return FsGetFileW(awfilenamecopy(RemoteNameW,RemoteName),awfilenamecopy(LocalNameW,LocalName),CopyFlags,ri);
}

int __stdcall FsPutFileW(WCHAR* LocalName,WCHAR* RemoteName,int CopyFlags)
{
	int err;
	BOOL OverWrite,Resume,Move;

	OverWrite=CopyFlags & FS_COPYFLAGS_OVERWRITE;
	Resume=CopyFlags & FS_COPYFLAGS_RESUME;
	Move=CopyFlags & FS_COPYFLAGS_MOVE;

	// Auto-overwrites files -> return error if file exists
	if ((CopyFlags & (FS_COPYFLAGS_EXISTS_SAMECASE | FS_COPYFLAGS_EXISTS_DIFFERENTCASE)) &&
		!(OverWrite | Resume))
		return FS_FILE_EXISTSRESUMEALLOWED;

	if (wcslen(RemoteName)<3)
		return FS_FILE_WRITEERROR;

	err=ProgressProcT(PluginNumber,LocalName,RemoteName,0);
	if (err)
		return FS_FILE_USERABORT;

	WCHAR remotedir[wdirtypemax];
	
	SERVERID serverid=GetServerIdAndRelativePathFromPathW(RemoteName,remotedir,countof(remotedir)-1);
	if (serverid==NULL)
		return FS_FILE_READERROR;
	pConnectSettings ConnectSettings=(pConnectSettings)serverid;
	if (ConnectSettings)
		ConnectSettings->lastpercent=0;

	switch (SftpUploadFileW(serverid,LocalName,remotedir,Resume,(CopyFlags & FS_COPYFLAGS_EXISTS_SAMECASE)==0)) {
		case SFTP_OK:return FS_FILE_OK;
		case SFTP_EXISTS:return SftpSupportsResume(serverid)?FS_FILE_EXISTSRESUMEALLOWED:FS_FILE_EXISTS;
		case SFTP_READFAILED:return FS_FILE_READERROR;
		case SFTP_WRITEFAILED:return FS_FILE_WRITEERROR;
		case SFTP_ABORT:return FS_FILE_USERABORT;
	}
	return FS_FILE_NOTFOUND;
}

int __stdcall FsPutFile(char* LocalName,char* RemoteName,int CopyFlags)
{
	WCHAR LocalNameW[wdirtypemax],RemoteNameW[wdirtypemax];
	return FsPutFileW(awfilenamecopy(LocalNameW,LocalName),awfilenamecopy(RemoteNameW,RemoteName),CopyFlags);
}

BOOL __stdcall FsDeleteFileW(WCHAR* RemoteName)
{
	if (wcslen(RemoteName)<3)
		return false;

	WCHAR* p=wcschr(RemoteName+1,'\\');
	if (p) {
		WCHAR remotedir[wdirtypemax];
		SERVERID serverid=GetServerIdAndRelativePathFromPathW(RemoteName,remotedir,countof(remotedir)-1);
		if (serverid==NULL)
			return false;
		pConnectSettings ConnectSettings=(pConnectSettings)serverid;
		if (ConnectSettings)
			ConnectSettings->lastpercent=0;
		return SftpDeleteFileW(serverid,remotedir,false)==SFTP_OK;
	} else {	// delete server
		char remotedir[wdirtypemax];
		walcopy(remotedir,RemoteName+1,sizeof(remotedir)-1);
		if (_stricmp(remotedir,s_f7newconnection)!=0 && _stricmp(remotedir,s_quickconnect)!=0) {
			if (DeleteServerFromIni(remotedir,inifilename)) {
				if (CryptProc)
					CryptProc(PluginNumber,CryptoNumber,FS_CRYPT_DELETE_PASSWORD,
						remotedir,NULL,0);
				return true;
			} else
				return false;
		}
	}
	return false;
}

BOOL __stdcall FsDeleteFile(char* RemoteName)
{
	WCHAR RemoteNameW[wdirtypemax];
	return FsDeleteFileW(awfilenamecopy(RemoteNameW,RemoteName));
}

BOOL __stdcall FsRemoveDirW(WCHAR* RemoteName)
{
	if (wcslen(RemoteName)<1)
		return false;

	WCHAR* p=wcschr(RemoteName+1,'\\');
	if (p) {
		WCHAR remotedir[wdirtypemax];
		SERVERID serverid=GetServerIdAndRelativePathFromPathW(RemoteName,remotedir,countof(remotedir)-1);
		if (serverid==NULL)
			return FS_FILE_READERROR;
		pConnectSettings ConnectSettings=(pConnectSettings)serverid;
		if (ConnectSettings)
			ConnectSettings->lastpercent=0;

        return (SftpDeleteFileW(serverid,remotedir,true)==SFTP_OK);
	}
	return false;
}

BOOL __stdcall FsRemoveDir(char* RemoteName)
{
	WCHAR RemoteNameW[wdirtypemax];
	return FsRemoveDirW(awfilenamecopy(RemoteNameW,RemoteName));
}

BOOL __stdcall FsSetAttr(char* RemoteName,int NewAttr)
{
	char remotedir[wdirtypemax];
	SERVERID serverid=GetServerIdAndRelativePathFromPath(RemoteName,remotedir,sizeof(remotedir)-1);
	if (serverid==NULL)
		return FS_FILE_READERROR;
	
	pConnectSettings ConnectSettings=(pConnectSettings)serverid;
	if (ConnectSettings)
		ConnectSettings->lastpercent=0;
	return SftpSetAttr(serverid,remotedir,NewAttr)==SFTP_OK;
}

BOOL __stdcall FsSetTimeW(WCHAR* RemoteName,FILETIME *CreationTime,
      FILETIME *LastAccessTime,FILETIME *LastWriteTime)
{
	WCHAR remotedir[wdirtypemax];
	SERVERID serverid=GetServerIdAndRelativePathFromPathW(RemoteName,remotedir,countof(remotedir)-1);
	if (serverid==NULL)
		return FS_FILE_READERROR;

	pConnectSettings ConnectSettings=(pConnectSettings)serverid;
	if (ConnectSettings)
		ConnectSettings->lastpercent=0;
	return SftpSetDateTimeW(serverid,remotedir,LastWriteTime)==SFTP_OK;
}

BOOL __stdcall FsSetTime(char* RemoteName,FILETIME *CreationTime,
      FILETIME *LastAccessTime,FILETIME *LastWriteTime)
{
	WCHAR RemoteNameW[wdirtypemax];
	return FsSetTimeW(awfilenamecopy(RemoteNameW,RemoteName),CreationTime,
		LastAccessTime,LastWriteTime);
}

void __stdcall FsStatusInfo(char* RemoteDir,int InfoStartEnd,int InfoOperation)
{
	if (strlen(RemoteDir)<2)
		if (InfoOperation==FS_STATUS_OP_DELETE || InfoOperation==FS_STATUS_OP_RENMOV_MULTI)
			if (InfoStartEnd==FS_STATUS_START)
				disablereading=true;
			else
				disablereading=false;
	if (InfoOperation==FS_STATUS_OP_GET_MULTI_THREAD || InfoOperation==FS_STATUS_OP_PUT_MULTI_THREAD) {
		if (InfoStartEnd==FS_STATUS_START) {
			char DisplayName[MAX_PATH];
			char* oldpass=NULL;
			GetDisplayNameFromPath(RemoteDir,DisplayName,sizeof(DisplayName)-1);
			// get password from main thread
			void* oldserverid=GetServerIdFromName(DisplayName,mainthreadid);
			pConnectSettings ConnectSettings=(pConnectSettings)oldserverid;
			if (ConnectSettings) {
				oldpass=ConnectSettings->password;
				if (!oldpass[0])
					oldpass=NULL;
			}
			void* serverid=SftpConnectToServer(DisplayName,inifilename,oldpass);
			if (serverid)
				SetServerIdForName(DisplayName,serverid);
		} else {
			FsDisconnect(RemoteDir);
		}
	}
}

void __stdcall FsGetDefRootName(char* DefRootName,int maxlen)
{
   strlcpy(DefRootName,defrootname,maxlen);
}

// use default location, but our own ini file name!
void __stdcall FsSetDefaultParams(FsDefaultParamStruct* dps)
{
	strlcpy(inifilename,dps->DefaultIniName,MAX_PATH-1);
	char* p=strrchr(inifilename,'\\');
	if (p)
		p[1]=0;
	else
		inifilename[0]=0;
	strlcat(inifilename,defininame,sizeof(inifilename)-1);

	// copy ini template from plugin dir to ini location if it exists!
	char templatename[MAX_PATH];
	if (GetModuleFileName(hinst,templatename,sizeof(templatename)-1)) {
		char* p=strrchr(templatename,'\\');
		if (p) {
			p[1]=0;
			strlcat(templatename,templatefile,sizeof(templatename)-1);
		}
		CopyFile(templatename,inifilename,true);  // only copy if target doesn't exist
	}
}

int __stdcall FsExtractCustomIcon(char* RemoteName,int ExtractFlags,HICON* TheIcon)
{
	if (strlen(RemoteName)>1) {
		char* p=strchr(RemoteName+1,'\\');
		if (p==NULL) {   // a server!
			if (_stricmp(RemoteName+1,s_f7newconnection)!=0) {
				bool sm;
				char remotedir[wdirtypemax];
				SERVERID serverid=GetServerIdAndRelativePathFromPath(RemoteName,remotedir,sizeof(remotedir)-1);
				sm=(ExtractFlags & FS_ICONFLAG_SMALL)!=0;
				// show different icon when connected!
				if (serverid==NULL)
					*TheIcon=LoadIcon(hinst,MAKEINTRESOURCE(sm?IDI_ICON1SMALL:IDI_ICON1));
				else
					*TheIcon=LoadIcon(hinst,MAKEINTRESOURCE(sm?IDI_ICON2SMALL:IDI_ICON2));
				return FS_ICON_EXTRACTED;
			}
		}
	}	
	return FS_ICON_USEDEFAULT;
}

int __stdcall FsGetBackgroundFlags(void)
{
	return BG_DOWNLOAD | BG_UPLOAD | BG_ASK_USER;
}
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