You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
791 lines
22 KiB
791 lines
22 KiB
/*
|
|
* Copyright (c) 2005 Novell, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of version 2 of the GNU General Public License 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
|
|
* along with this program; if not, contact Novell, Inc.
|
|
*
|
|
* To contact Novell about this file by physical or electronic mail,
|
|
* you may find current contact information at www.novell.com
|
|
*
|
|
* Author : Rohit Kumar
|
|
* Email ID : rokumar@novell.com
|
|
* Date : 14th July 2005
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <fcntl.h>
|
|
|
|
#ifdef WIN32
|
|
#include <io.h>
|
|
#include <direct.h>
|
|
#include <sys/utime.h>
|
|
#ifdef _MSC_VER
|
|
#define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
|
|
#define S_ISDIR(m) (((m) & S_IFDIR) == S_IFDIR)
|
|
#define S_IWUSR S_IWRITE
|
|
#define S_IRUSR S_IREAD
|
|
#define S_IWOTH 0x0000002
|
|
#define S_IROTH 0x0000004
|
|
#define S_IWGRP 0x0000010
|
|
#define S_IRGRP 0x0000020
|
|
#define mkdir(path, perms) _mkdir(path) /* Match POSIX signature */
|
|
/* Prevent POSIX deprecation warnings on MSVC */
|
|
#define creat _creat
|
|
#define open _open
|
|
#define read _read
|
|
#define write _write
|
|
#define close _close
|
|
#define unlink _unlink
|
|
#endif /* _MSC_VER */
|
|
#else
|
|
#include <dirent.h>
|
|
#include <utime.h>
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <rfb/rfb.h>
|
|
#include "rfbtightproto.h"
|
|
#include "filelistinfo.h"
|
|
#include "filetransfermsg.h"
|
|
#include "handlefiletransferrequest.h"
|
|
|
|
#define SZ_RFBBLOCKSIZE 8192
|
|
|
|
|
|
void
|
|
FreeFileTransferMsg(FileTransferMsg ftm)
|
|
{
|
|
|
|
if(ftm.data != NULL) {
|
|
free(ftm.data);
|
|
ftm.data = NULL;
|
|
}
|
|
|
|
ftm.length = 0;
|
|
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* Methods to handle file list request.
|
|
******************************************************************************/
|
|
|
|
int CreateFileListInfo(FileListInfoPtr pFileListInfo, char* path, int flag);
|
|
FileTransferMsg CreateFileListErrMsg(char flags);
|
|
FileTransferMsg CreateFileListMsg(FileListInfo fileListInfo, char flags);
|
|
|
|
|
|
/*
|
|
* This is the method called by HandleFileListRequest to get the file list
|
|
*/
|
|
|
|
FileTransferMsg
|
|
GetFileListResponseMsg(char* path, char flags)
|
|
{
|
|
FileTransferMsg fileListMsg;
|
|
FileListInfo fileListInfo;
|
|
int status = -1;
|
|
|
|
memset(&fileListMsg, 0, sizeof(FileTransferMsg));
|
|
memset(&fileListInfo, 0, sizeof(FileListInfo));
|
|
|
|
|
|
/* fileListInfo can have null data if the folder is Empty
|
|
or if some error condition has occured.
|
|
The return value is 'failure' only if some error condition has occured.
|
|
*/
|
|
status = CreateFileListInfo(&fileListInfo, path, !(flags & 0x10));
|
|
|
|
if(status == FAILURE) {
|
|
fileListMsg = CreateFileListErrMsg(flags);
|
|
}
|
|
else {
|
|
/* DisplayFileList(fileListInfo); For Debugging */
|
|
|
|
fileListMsg = CreateFileListMsg(fileListInfo, flags);
|
|
FreeFileListInfo(fileListInfo);
|
|
}
|
|
|
|
return fileListMsg;
|
|
}
|
|
|
|
#if !defined(__GNUC__) && !defined(_MSC_VER)
|
|
#define __FUNCTION__ "unknown"
|
|
#endif
|
|
|
|
#ifdef WIN32
|
|
|
|
/* Most of the Windows version here is based on https://github.com/danielgindi/FileDir */
|
|
|
|
#define FILETIME_TO_TIME_T(FILETIME) (((((__int64)FILETIME.dwLowDateTime) | (((__int64)FILETIME.dwHighDateTime) << 32)) - 116444736000000000L) / 10000000L)
|
|
|
|
#ifdef FILE_ATTRIBUTE_INTEGRITY_STREAM
|
|
#define IS_REGULAR_FILE_HAS_ATTRIBUTE_INTEGRITY_STREAM(dwFileAttributes) (!!(dwFileAttributes & FILE_ATTRIBUTE_INTEGRITY_STREAM))
|
|
#else
|
|
#define IS_REGULAR_FILE_HAS_ATTRIBUTE_INTEGRITY_STREAM(dwFileAttributes) 0
|
|
#endif
|
|
|
|
#ifdef FILE_ATTRIBUTE_NO_SCRUB_DATA
|
|
#define IS_REGULAR_FILE_HAS_ATTRIBUTE_NO_SCRUB_DATA(dwFileAttributes) (!!(dwFileAttributes & FILE_ATTRIBUTE_NO_SCRUB_DATA))
|
|
#else
|
|
#define IS_REGULAR_FILE_HAS_ATTRIBUTE_NO_SCRUB_DATA(dwFileAttributes) 0
|
|
#endif
|
|
|
|
#define IS_REGULAR_FILE(dwFileAttributes) \
|
|
( \
|
|
!!(dwFileAttributes & FILE_ATTRIBUTE_NORMAL) || \
|
|
( \
|
|
!(dwFileAttributes & FILE_ATTRIBUTE_DEVICE) && \
|
|
!(dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) && \
|
|
!(dwFileAttributes & FILE_ATTRIBUTE_ENCRYPTED) && \
|
|
!IS_REGULAR_FILE_HAS_ATTRIBUTE_INTEGRITY_STREAM(dwFileAttributes) && \
|
|
!IS_REGULAR_FILE_HAS_ATTRIBUTE_NO_SCRUB_DATA(dwFileAttributes) && \
|
|
!(dwFileAttributes & FILE_ATTRIBUTE_OFFLINE) && \
|
|
!(dwFileAttributes & FILE_ATTRIBUTE_TEMPORARY) \
|
|
) \
|
|
)
|
|
|
|
#define IS_FOLDER(dwFileAttributes) (!!(dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
|
|
|
|
int
|
|
CreateFileListInfo(FileListInfoPtr pFileListInfo, char* path, int flag)
|
|
{
|
|
int pathLen, basePathLength;
|
|
char *basePath, *pChar;
|
|
WIN32_FIND_DATAA winFindData;
|
|
HANDLE findHandle;
|
|
|
|
if(path == NULL) {
|
|
return FAILURE;
|
|
}
|
|
|
|
if(strlen(path) == 0) {
|
|
/* In this case we will send the list of entries in ftp root*/
|
|
sprintf(path, "%s%s", GetFtpRoot(), "/");
|
|
}
|
|
|
|
/* Create a search string, like C:\folder\* */
|
|
|
|
pathLen = strlen(path);
|
|
basePath = malloc(pathLen + 3);
|
|
memcpy(basePath, path, pathLen);
|
|
basePathLength = pathLen;
|
|
basePath[basePathLength] = '\\';
|
|
basePath[basePathLength + 1] = '*';
|
|
basePath[basePathLength + 2] = '\0';
|
|
|
|
/* Start a search */
|
|
memset(&winFindData, 0, sizeof(winFindData));
|
|
findHandle = FindFirstFileA(path, &winFindData);
|
|
|
|
basePath[basePathLength] = '\0'; /* Restore to a basePath + \ */
|
|
/* Convert \ to / */
|
|
for(pChar = basePath; *pChar; pChar++) {
|
|
if (*pChar == '\\') {
|
|
*pChar = '/';
|
|
}
|
|
}
|
|
|
|
/* While we can find a next file do...
|
|
But ignore \. and '.. entries, which are current folder and parent folder respectively */
|
|
while(findHandle != INVALID_HANDLE_VALUE && winFindData.cFileName[0] == '.' &&
|
|
(winFindData.cFileName[1] == '\0' ||
|
|
(winFindData.cFileName[1] == '.' && winFindData.cFileName[2] == '\0'))) {
|
|
char fullpath[PATH_MAX];
|
|
fullpath[0] = 0;
|
|
|
|
strncpy_s(fullpath, PATH_MAX, basePath, basePathLength);
|
|
strncpy_s(fullpath + basePathLength, PATH_MAX - basePathLength, winFindData.cFileName, (int)strlen(winFindData.cFileName));
|
|
|
|
if(IS_FOLDER(winFindData.dwFileAttributes)) {
|
|
if (AddFileListItemInfo(pFileListInfo, winFindData.cFileName, -1, 0) == 0) {
|
|
rfbLog("File [%s]: Method [%s]: Add directory %s in the"
|
|
" list failed\n", __FILE__, __FUNCTION__, fullpath);
|
|
continue;
|
|
}
|
|
}
|
|
else if(IS_REGULAR_FILE(winFindData.dwFileAttributes)) {
|
|
if(flag) {
|
|
unsigned int fileSize = (winFindData.nFileSizeHigh * (MAXDWORD+1)) + winFindData.nFileSizeLow;
|
|
if(AddFileListItemInfo(pFileListInfo, winFindData.cFileName, fileSize, FILETIME_TO_TIME_T(winFindData.ftLastWriteTime)) == 0) {
|
|
rfbLog("File [%s]: Method [%s]: Add file %s in the "
|
|
"list failed\n", __FILE__, __FUNCTION__, fullpath);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(FindNextFileA(findHandle, &winFindData) == 0) {
|
|
FindClose(findHandle);
|
|
findHandle = INVALID_HANDLE_VALUE;
|
|
}
|
|
}
|
|
|
|
if(findHandle != INVALID_HANDLE_VALUE) {
|
|
FindClose(findHandle);
|
|
}
|
|
|
|
free(basePath);
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
#else /* WIN32 */
|
|
|
|
int
|
|
CreateFileListInfo(FileListInfoPtr pFileListInfo, char* path, int flag)
|
|
{
|
|
DIR* pDir = NULL;
|
|
struct dirent* pDirent = NULL;
|
|
|
|
if(path == NULL) {
|
|
return FAILURE;
|
|
}
|
|
|
|
if(strlen(path) == 0) {
|
|
/* In this case we will send the list of entries in ftp root*/
|
|
sprintf(path, "%s%s", GetFtpRoot(), "/");
|
|
}
|
|
|
|
if((pDir = opendir(path)) == NULL) {
|
|
rfbLog("File [%s]: Method [%s]: not able to open the dir\n",
|
|
__FILE__, __FUNCTION__);
|
|
return FAILURE;
|
|
}
|
|
|
|
while((pDirent = readdir(pDir))) {
|
|
if(strcmp(pDirent->d_name, ".") && strcmp(pDirent->d_name, "..")) {
|
|
struct stat stat_buf;
|
|
/*
|
|
int fpLen = sizeof(char)*(strlen(pDirent->d_name)+strlen(path)+2);
|
|
*/
|
|
char fullpath[PATH_MAX];
|
|
|
|
memset(fullpath, 0, PATH_MAX);
|
|
|
|
strcpy(fullpath, path);
|
|
if(path[strlen(path)-1] != '/')
|
|
strcat(fullpath, "/");
|
|
strcat(fullpath, pDirent->d_name);
|
|
|
|
if(stat(fullpath, &stat_buf) < 0) {
|
|
rfbLog("File [%s]: Method [%s]: Reading stat for file %s failed\n",
|
|
__FILE__, __FUNCTION__, fullpath);
|
|
continue;
|
|
}
|
|
|
|
if(S_ISDIR(stat_buf.st_mode)) {
|
|
if(AddFileListItemInfo(pFileListInfo, pDirent->d_name, -1, 0) == 0) {
|
|
rfbLog("File [%s]: Method [%s]: Add directory %s in the"
|
|
" list failed\n", __FILE__, __FUNCTION__, fullpath);
|
|
continue;
|
|
}
|
|
}
|
|
else {
|
|
if(flag) {
|
|
if(AddFileListItemInfo(pFileListInfo, pDirent->d_name,
|
|
stat_buf.st_size,
|
|
stat_buf.st_mtime) == 0) {
|
|
rfbLog("File [%s]: Method [%s]: Add file %s in the "
|
|
"list failed\n", __FILE__, __FUNCTION__, fullpath);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(closedir(pDir) < 0) {
|
|
rfbLog("File [%s]: Method [%s]: ERROR Couldn't close dir\n",
|
|
__FILE__, __FUNCTION__);
|
|
}
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
FileTransferMsg
|
|
CreateFileListErrMsg(char flags)
|
|
{
|
|
FileTransferMsg fileListMsg;
|
|
rfbFileListDataMsg* pFLD = NULL;
|
|
char* data = NULL;
|
|
unsigned int length = 0;
|
|
|
|
memset(&fileListMsg, 0, sizeof(FileTransferMsg));
|
|
|
|
data = (char*) calloc(sizeof(rfbFileListDataMsg), sizeof(char));
|
|
if(data == NULL) {
|
|
return fileListMsg;
|
|
}
|
|
length = sizeof(rfbFileListDataMsg) * sizeof(char);
|
|
pFLD = (rfbFileListDataMsg*) data;
|
|
|
|
pFLD->type = rfbFileListData;
|
|
pFLD->numFiles = Swap16IfLE(0);
|
|
pFLD->dataSize = Swap16IfLE(0);
|
|
pFLD->compressedSize = Swap16IfLE(0);
|
|
pFLD->flags = flags | 0x80;
|
|
|
|
fileListMsg.data = data;
|
|
fileListMsg.length = length;
|
|
|
|
return fileListMsg;
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
CreateFileListMsg(FileListInfo fileListInfo, char flags)
|
|
{
|
|
FileTransferMsg fileListMsg;
|
|
rfbFileListDataMsg* pFLD = NULL;
|
|
char *data = NULL, *pFileNames = NULL;
|
|
unsigned int length = 0, dsSize = 0, i = 0;
|
|
FileListItemSizePtr pFileListItemSize = NULL;
|
|
|
|
memset(&fileListMsg, 0, sizeof(FileTransferMsg));
|
|
dsSize = fileListInfo.numEntries * 8;
|
|
length = sz_rfbFileListDataMsg + dsSize +
|
|
GetSumOfFileNamesLength(fileListInfo) +
|
|
fileListInfo.numEntries;
|
|
|
|
data = (char*) calloc(length, sizeof(char));
|
|
if(data == NULL) {
|
|
return fileListMsg;
|
|
}
|
|
pFLD = (rfbFileListDataMsg*) data;
|
|
pFileListItemSize = (FileListItemSizePtr) &data[sz_rfbFileListDataMsg];
|
|
pFileNames = &data[sz_rfbFileListDataMsg + dsSize];
|
|
|
|
pFLD->type = rfbFileListData;
|
|
pFLD->flags = flags & 0xF0;
|
|
pFLD->numFiles = Swap16IfLE(fileListInfo.numEntries);
|
|
pFLD->dataSize = Swap16IfLE(GetSumOfFileNamesLength(fileListInfo) +
|
|
fileListInfo.numEntries);
|
|
pFLD->compressedSize = pFLD->dataSize;
|
|
|
|
for(i =0; i <fileListInfo.numEntries; i++) {
|
|
pFileListItemSize[i].size = Swap32IfLE(GetFileSizeAt(fileListInfo, i));
|
|
pFileListItemSize[i].data = Swap32IfLE(GetFileDataAt(fileListInfo, i));
|
|
strcpy(pFileNames, GetFileNameAt(fileListInfo, i));
|
|
|
|
if(i+1 < fileListInfo.numEntries)
|
|
pFileNames += strlen(pFileNames) + 1;
|
|
}
|
|
|
|
fileListMsg.data = data;
|
|
fileListMsg.length = length;
|
|
|
|
return fileListMsg;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* Methods to handle File Download Request.
|
|
******************************************************************************/
|
|
|
|
FileTransferMsg CreateFileDownloadErrMsg(char* reason, unsigned int reasonLen);
|
|
FileTransferMsg CreateFileDownloadZeroSizeDataMsg(unsigned long mTime);
|
|
FileTransferMsg CreateFileDownloadBlockSizeDataMsg(unsigned short sizeFile, char *pFile);
|
|
|
|
FileTransferMsg
|
|
GetFileDownLoadErrMsg()
|
|
{
|
|
FileTransferMsg fileDownloadErrMsg;
|
|
|
|
char reason[] = "An internal error on the server caused download failure";
|
|
int reasonLen = strlen(reason);
|
|
|
|
memset(&fileDownloadErrMsg, 0, sizeof(FileTransferMsg));
|
|
|
|
fileDownloadErrMsg = CreateFileDownloadErrMsg(reason, reasonLen);
|
|
|
|
return fileDownloadErrMsg;
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
GetFileDownloadReadDataErrMsg()
|
|
{
|
|
char reason[] = "Cannot open file, perhaps it is absent or is a directory";
|
|
int reasonLen = strlen(reason);
|
|
|
|
return CreateFileDownloadErrMsg(reason, reasonLen);
|
|
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
GetFileDownloadLengthErrResponseMsg()
|
|
{
|
|
char reason [] = "Path length exceeds PATH_MAX (4096) bytes";
|
|
int reasonLen = strlen(reason);
|
|
|
|
return CreateFileDownloadErrMsg(reason, reasonLen);
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
GetFileDownloadResponseMsgInBlocks(rfbClientPtr cl, rfbTightClientPtr rtcp)
|
|
{
|
|
/* const unsigned int sz_rfbBlockSize = SZ_RFBBLOCKSIZE; */
|
|
int numOfBytesRead = 0;
|
|
char pBuf[SZ_RFBBLOCKSIZE];
|
|
char* path = rtcp->rcft.rcfd.fName;
|
|
|
|
memset(pBuf, 0, SZ_RFBBLOCKSIZE);
|
|
|
|
if((rtcp->rcft.rcfd.downloadInProgress == FALSE) && (rtcp->rcft.rcfd.downloadFD == -1)) {
|
|
if((rtcp->rcft.rcfd.downloadFD = open(path, O_RDONLY)) == -1) {
|
|
rfbLog("File [%s]: Method [%s]: Error: Couldn't open file\n",
|
|
__FILE__, __FUNCTION__);
|
|
return GetFileDownloadReadDataErrMsg();
|
|
}
|
|
rtcp->rcft.rcfd.downloadInProgress = TRUE;
|
|
}
|
|
if((rtcp->rcft.rcfd.downloadInProgress == TRUE) && (rtcp->rcft.rcfd.downloadFD != -1)) {
|
|
if( (numOfBytesRead = read(rtcp->rcft.rcfd.downloadFD, pBuf, SZ_RFBBLOCKSIZE)) <= 0) {
|
|
close(rtcp->rcft.rcfd.downloadFD);
|
|
rtcp->rcft.rcfd.downloadFD = -1;
|
|
rtcp->rcft.rcfd.downloadInProgress = FALSE;
|
|
if(numOfBytesRead == 0) {
|
|
return CreateFileDownloadZeroSizeDataMsg(rtcp->rcft.rcfd.mTime);
|
|
}
|
|
return GetFileDownloadReadDataErrMsg();
|
|
}
|
|
return CreateFileDownloadBlockSizeDataMsg(numOfBytesRead, pBuf);
|
|
}
|
|
return GetFileDownLoadErrMsg();
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
ChkFileDownloadErr(rfbClientPtr cl, rfbTightClientPtr rtcp)
|
|
{
|
|
FileTransferMsg fileDownloadMsg;
|
|
struct stat stat_buf;
|
|
int sz_rfbFileSize = 0;
|
|
char* path = rtcp->rcft.rcfd.fName;
|
|
|
|
memset(&fileDownloadMsg, 0, sizeof(FileTransferMsg));
|
|
|
|
if( (path == NULL) || (strlen(path) == 0) ||
|
|
(stat(path, &stat_buf) < 0) || (!(S_ISREG(stat_buf.st_mode))) ) {
|
|
|
|
char reason[] = "Cannot open file, perhaps it is absent or is not a regular file";
|
|
int reasonLen = strlen(reason);
|
|
|
|
rfbLog("File [%s]: Method [%s]: Reading stat for path %s failed\n",
|
|
__FILE__, __FUNCTION__, path);
|
|
|
|
fileDownloadMsg = CreateFileDownloadErrMsg(reason, reasonLen);
|
|
}
|
|
else {
|
|
rtcp->rcft.rcfd.mTime = stat_buf.st_mtime;
|
|
sz_rfbFileSize = stat_buf.st_size;
|
|
if(sz_rfbFileSize <= 0) {
|
|
fileDownloadMsg = CreateFileDownloadZeroSizeDataMsg(stat_buf.st_mtime);
|
|
}
|
|
|
|
}
|
|
return fileDownloadMsg;
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
CreateFileDownloadErrMsg(char* reason, unsigned int reasonLen)
|
|
{
|
|
FileTransferMsg fileDownloadErrMsg;
|
|
int length = sz_rfbFileDownloadFailedMsg + reasonLen + 1;
|
|
rfbFileDownloadFailedMsg *pFDF = NULL;
|
|
char *pFollow = NULL;
|
|
|
|
char *pData = (char*) calloc(length, sizeof(char));
|
|
memset(&fileDownloadErrMsg, 0, sizeof(FileTransferMsg));
|
|
if(pData == NULL) {
|
|
rfbLog("File [%s]: Method [%s]: pData is NULL\n",
|
|
__FILE__, __FUNCTION__);
|
|
return fileDownloadErrMsg;
|
|
}
|
|
|
|
pFDF = (rfbFileDownloadFailedMsg *) pData;
|
|
pFollow = &pData[sz_rfbFileDownloadFailedMsg];
|
|
|
|
pFDF->type = rfbFileDownloadFailed;
|
|
pFDF->reasonLen = Swap16IfLE(reasonLen);
|
|
memcpy(pFollow, reason, reasonLen);
|
|
|
|
fileDownloadErrMsg.data = pData;
|
|
fileDownloadErrMsg.length = length;
|
|
|
|
return fileDownloadErrMsg;
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
CreateFileDownloadZeroSizeDataMsg(unsigned long mTime)
|
|
{
|
|
FileTransferMsg fileDownloadZeroSizeDataMsg;
|
|
int length = sz_rfbFileDownloadDataMsg + sizeof(unsigned long);
|
|
rfbFileDownloadDataMsg *pFDD = NULL;
|
|
char *pFollow = NULL;
|
|
|
|
char *pData = (char*) calloc(length, sizeof(char));
|
|
memset(&fileDownloadZeroSizeDataMsg, 0, sizeof(FileTransferMsg));
|
|
if(pData == NULL) {
|
|
rfbLog("File [%s]: Method [%s]: pData is NULL\n",
|
|
__FILE__, __FUNCTION__);
|
|
return fileDownloadZeroSizeDataMsg;
|
|
}
|
|
|
|
pFDD = (rfbFileDownloadDataMsg *) pData;
|
|
pFollow = &pData[sz_rfbFileDownloadDataMsg];
|
|
|
|
pFDD->type = rfbFileDownloadData;
|
|
pFDD->compressLevel = 0;
|
|
pFDD->compressedSize = Swap16IfLE(0);
|
|
pFDD->realSize = Swap16IfLE(0);
|
|
|
|
memcpy(pFollow, &mTime, sizeof(unsigned long));
|
|
|
|
fileDownloadZeroSizeDataMsg.data = pData;
|
|
fileDownloadZeroSizeDataMsg.length = length;
|
|
|
|
return fileDownloadZeroSizeDataMsg;
|
|
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
CreateFileDownloadBlockSizeDataMsg(unsigned short sizeFile, char *pFile)
|
|
{
|
|
FileTransferMsg fileDownloadBlockSizeDataMsg;
|
|
int length = sz_rfbFileDownloadDataMsg + sizeFile;
|
|
rfbFileDownloadDataMsg *pFDD = NULL;
|
|
char *pFollow = NULL;
|
|
|
|
char *pData = (char*) calloc(length, sizeof(char));
|
|
memset(&fileDownloadBlockSizeDataMsg, 0, sizeof(FileTransferMsg));
|
|
if(NULL == pData) {
|
|
rfbLog("File [%s]: Method [%s]: pData is NULL\n",
|
|
__FILE__, __FUNCTION__);
|
|
return fileDownloadBlockSizeDataMsg;
|
|
}
|
|
|
|
pFDD = (rfbFileDownloadDataMsg *) pData;
|
|
pFollow = &pData[sz_rfbFileDownloadDataMsg];
|
|
|
|
pFDD->type = rfbFileDownloadData;
|
|
pFDD->compressLevel = 0;
|
|
pFDD->compressedSize = Swap16IfLE(sizeFile);
|
|
pFDD->realSize = Swap16IfLE(sizeFile);
|
|
|
|
memcpy(pFollow, pFile, sizeFile);
|
|
|
|
fileDownloadBlockSizeDataMsg.data = pData;
|
|
fileDownloadBlockSizeDataMsg.length = length;
|
|
|
|
return fileDownloadBlockSizeDataMsg;
|
|
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* Methods to handle file upload request
|
|
******************************************************************************/
|
|
|
|
FileTransferMsg CreateFileUploadErrMsg(char* reason, unsigned int reasonLen);
|
|
|
|
FileTransferMsg
|
|
GetFileUploadLengthErrResponseMsg()
|
|
{
|
|
char reason [] = "Path length exceeds PATH_MAX (4096) bytes";
|
|
int reasonLen = strlen(reason);
|
|
|
|
return CreateFileUploadErrMsg(reason, reasonLen);
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
ChkFileUploadErr(rfbClientPtr cl, rfbTightClientPtr rtcp)
|
|
{
|
|
FileTransferMsg fileUploadErrMsg;
|
|
|
|
memset(&fileUploadErrMsg, 0, sizeof(FileTransferMsg));
|
|
if( (rtcp->rcft.rcfu.fName == NULL) ||
|
|
(strlen(rtcp->rcft.rcfu.fName) == 0) ||
|
|
((rtcp->rcft.rcfu.uploadFD = creat(rtcp->rcft.rcfu.fName,
|
|
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)) == -1)) {
|
|
|
|
char reason[] = "Could not create file";
|
|
int reasonLen = strlen(reason);
|
|
fileUploadErrMsg = CreateFileUploadErrMsg(reason, reasonLen);
|
|
}
|
|
else
|
|
rtcp->rcft.rcfu.uploadInProgress = TRUE;
|
|
|
|
return fileUploadErrMsg;
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
GetFileUploadCompressedLevelErrMsg()
|
|
{
|
|
char reason[] = "Server does not support data compression on upload";
|
|
int reasonLen = strlen(reason);
|
|
|
|
return CreateFileUploadErrMsg(reason, reasonLen);
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
ChkFileUploadWriteErr(rfbClientPtr cl, rfbTightClientPtr rtcp, char* pBuf)
|
|
{
|
|
FileTransferMsg ftm;
|
|
unsigned long numOfBytesWritten = 0;
|
|
|
|
memset(&ftm, 0, sizeof(FileTransferMsg));
|
|
|
|
numOfBytesWritten = write(rtcp->rcft.rcfu.uploadFD, pBuf, rtcp->rcft.rcfu.fSize);
|
|
|
|
if(numOfBytesWritten != rtcp->rcft.rcfu.fSize) {
|
|
char reason[] = "Error writing file data";
|
|
int reasonLen = strlen(reason);
|
|
ftm = CreateFileUploadErrMsg(reason, reasonLen);
|
|
CloseUndoneFileTransfer(cl, rtcp);
|
|
}
|
|
return ftm;
|
|
}
|
|
|
|
|
|
void
|
|
FileUpdateComplete(rfbClientPtr cl, rfbTightClientPtr rtcp)
|
|
{
|
|
/* Here we are settimg the modification and access time of the file */
|
|
/* Windows code stes mod/access/creation time of the file */
|
|
struct utimbuf utb;
|
|
|
|
utb.actime = utb.modtime = rtcp->rcft.rcfu.mTime;
|
|
if(utime(rtcp->rcft.rcfu.fName, &utb) == -1) {
|
|
rfbLog("File [%s]: Method [%s]: Setting the modification/access"
|
|
" time for the file <%s> failed\n", __FILE__,
|
|
__FUNCTION__, rtcp->rcft.rcfu.fName);
|
|
}
|
|
|
|
if(rtcp->rcft.rcfu.uploadFD != -1) {
|
|
close(rtcp->rcft.rcfu.uploadFD);
|
|
rtcp->rcft.rcfu.uploadFD = -1;
|
|
rtcp->rcft.rcfu.uploadInProgress = FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
FileTransferMsg
|
|
CreateFileUploadErrMsg(char* reason, unsigned int reasonLen)
|
|
{
|
|
FileTransferMsg fileUploadErrMsg;
|
|
int length = sz_rfbFileUploadCancelMsg + reasonLen;
|
|
rfbFileUploadCancelMsg *pFDF = NULL;
|
|
char *pFollow = NULL;
|
|
|
|
char *pData = (char*) calloc(length, sizeof(char));
|
|
memset(&fileUploadErrMsg, 0, sizeof(FileTransferMsg));
|
|
if(pData == NULL) {
|
|
rfbLog("File [%s]: Method [%s]: pData is NULL\n",
|
|
__FILE__, __FUNCTION__);
|
|
return fileUploadErrMsg;
|
|
}
|
|
|
|
pFDF = (rfbFileUploadCancelMsg *) pData;
|
|
pFollow = &pData[sz_rfbFileUploadCancelMsg];
|
|
|
|
pFDF->type = rfbFileUploadCancel;
|
|
pFDF->reasonLen = Swap16IfLE(reasonLen);
|
|
memcpy(pFollow, reason, reasonLen);
|
|
|
|
fileUploadErrMsg.data = pData;
|
|
fileUploadErrMsg.length = length;
|
|
|
|
return fileUploadErrMsg;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* Method to cancel File Transfer operation.
|
|
******************************************************************************/
|
|
|
|
void
|
|
CloseUndoneFileTransfer(rfbClientPtr cl, rfbTightClientPtr rtcp)
|
|
{
|
|
/* TODO :: File Upload case is not handled currently */
|
|
/* TODO :: In case of concurrency we need to use Critical Section */
|
|
|
|
if(cl == NULL)
|
|
return;
|
|
|
|
|
|
if(rtcp->rcft.rcfu.uploadInProgress == TRUE) {
|
|
rtcp->rcft.rcfu.uploadInProgress = FALSE;
|
|
|
|
if(rtcp->rcft.rcfu.uploadFD != -1) {
|
|
close(rtcp->rcft.rcfu.uploadFD);
|
|
rtcp->rcft.rcfu.uploadFD = -1;
|
|
}
|
|
|
|
if(unlink(rtcp->rcft.rcfu.fName) == -1) {
|
|
rfbLog("File [%s]: Method [%s]: Delete operation on file <%s> failed\n",
|
|
__FILE__, __FUNCTION__, rtcp->rcft.rcfu.fName);
|
|
}
|
|
|
|
memset(rtcp->rcft.rcfu.fName, 0 , PATH_MAX);
|
|
}
|
|
|
|
if(rtcp->rcft.rcfd.downloadInProgress == TRUE) {
|
|
rtcp->rcft.rcfd.downloadInProgress = FALSE;
|
|
|
|
if(rtcp->rcft.rcfd.downloadFD != -1) {
|
|
close(rtcp->rcft.rcfd.downloadFD);
|
|
rtcp->rcft.rcfd.downloadFD = -1;
|
|
}
|
|
memset(rtcp->rcft.rcfd.fName, 0 , PATH_MAX);
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* Method to handle create directory request.
|
|
******************************************************************************/
|
|
|
|
#ifdef _MSC_VER
|
|
#undef CreateDirectory /* Prevent macro clashes under Windows */
|
|
#endif /* _MSC_VER */
|
|
|
|
void
|
|
CreateDirectory(char* dirName)
|
|
{
|
|
if(dirName == NULL) return;
|
|
|
|
if(mkdir(dirName, 0700) == -1) {
|
|
rfbLog("File [%s]: Method [%s]: Create operation for directory <%s> failed\n",
|
|
__FILE__, __FUNCTION__, dirName);
|
|
}
|
|
}
|