File: //proc/thread-self/root/opt/uFTP.old/ftpData.c
/*
* The MIT License
*
* Copyright 2018 Ugo Cirmignani.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* 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.
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#define _REENTRANT
#include <pthread.h>
#include <netinet/in.h>
#include <unistd.h>
#include <limits.h>
#include "ftpServer.h"
#include "ftpCommandsElaborate.h"
#include "ftpData.h"
#include "library/configRead.h"
#include "library/fileManagement.h"
#include "library/connection.h"
#include "library/dynamicMemory.h"
#include "debugHelper.h"
#include "library/log.h"
static int is_prefix(const char *str, const char *prefix);
static char *my_realpath(const char *path, char *resolved_path);
static char *my_realpath(const char *path, char *resolved_path)
{
char temp[PATH_MAX];
char *token;
char *rest = NULL;
// Check if the path is absolute or relative
if (path[0] == '/')
{
strcpy(temp, path);
}
else
{
my_printfError("getcwd");
LOG_ERROR("getcwd");
return NULL;
}
// Process tokens separated by '/'
token = strtok_r(temp, "/", &rest);
while (token != NULL)
{
if (strcmp(token, "..") == 0)
{
// Remove the last directory if it's not the root directory
char *last_slash = strrchr(resolved_path, '/');
if (last_slash != NULL) {
*last_slash = '\0';
}
}
else if (strcmp(token, ".") != 0)
{
// Add valid token to the resolved path
strcat(resolved_path, "/");
strcat(resolved_path, token);
}
token = strtok_r(NULL, "/", &rest);
}
return resolved_path;
}
static int is_prefix(const char *str, const char *prefix) {
int i = 0;
while (prefix[i] && str[i] && prefix[i] == str[i]) {
i++;
}
// Check if prefix ended and characters in str matched till then
return prefix[i] == '\0';
}
void cleanDynamicStringDataType(dynamicStringDataType *dynamicString, int init, DYNMEM_MemoryTable_DataType **memoryTable)
{
if (init == 1)
{
dynamicString->text = 0;
dynamicString->textLen = 0;
}
else
{
if (dynamicString->textLen != 0 && dynamicString->text != 0)
{
DYNMEM_free(dynamicString->text, memoryTable);
}
dynamicString->textLen = 0;
}
}
void cleanLoginData(loginDataType *loginData, int init, DYNMEM_MemoryTable_DataType **memoryTable)
{
loginData->userLoggedIn = 0;
cleanDynamicStringDataType(&loginData->homePath, init, memoryTable);
cleanDynamicStringDataType(&loginData->ftpPath, init, memoryTable);
cleanDynamicStringDataType(&loginData->name, init, memoryTable);
cleanDynamicStringDataType(&loginData->password, init, memoryTable);
cleanDynamicStringDataType(&loginData->absolutePath, init, memoryTable);
}
void setDynamicStringDataType(dynamicStringDataType *dynamicString, char *theString, int stringLen, DYNMEM_MemoryTable_DataType **memoryTable)
{
if (dynamicString->textLen == 0)
{
//my_printf("\nMemory data address before memset call : %lld", memoryTable);
dynamicString->text = (char *) DYNMEM_malloc (((sizeof(char) * stringLen) + 1), memoryTable, "setDynamicString");
//my_printf("\nMemory data address after memset call : %lld", memoryTable);
memset(dynamicString->text, 0, stringLen + 1);
memcpy(dynamicString->text, theString, stringLen);
dynamicString->textLen = stringLen;
}
else
{
if(stringLen != dynamicString->textLen)
{
dynamicString->text = (char *) DYNMEM_realloc (dynamicString->text, ((sizeof(char) * stringLen) + 1), memoryTable);
}
memset(dynamicString->text, 0, stringLen + 1);
memcpy(dynamicString->text, theString, stringLen);
dynamicString->textLen = stringLen;
}
}
int getSafePath(dynamicStringDataType *safePath, char *theDirectoryName, loginDataType *loginData, DYNMEM_MemoryTable_DataType **memoryTable)
{
size_t theLen;
char * theDirectoryNamePointer;
theDirectoryNamePointer = theDirectoryName;
char theDirectoryToCheck[PATH_MAX];
int theDirectoryToCheckIndex = 0;
char resolved_path[PATH_MAX];
char resolved_path_abs[PATH_MAX];
memset(theDirectoryToCheck, 0, PATH_MAX);
memset(resolved_path, 0, PATH_MAX);
memset(resolved_path_abs, 0, PATH_MAX);
//No name provided return false
if (theDirectoryName == NULL)
return 0;
theLen = strnlen(theDirectoryName, PATH_MAX);
//Not a string
if (theLen <= 0)
return 0;
my_printf("\ninput: %s", theDirectoryName);
//Absolute path set in the request, start from home directory
if (theDirectoryName[0] == '/')
{
while (theDirectoryNamePointer[0] == '/')
theDirectoryNamePointer++;
//Absolute requests must start from home path
strncpy(theDirectoryToCheck, loginData->homePath.text, PATH_MAX);
strncat(theDirectoryToCheck, theDirectoryNamePointer, PATH_MAX);
my_printf("\nAbsolute string: %s", theDirectoryToCheck);
}
else
{
//Relative directory, start from the current path
strncpy(theDirectoryToCheck, loginData->absolutePath.text, PATH_MAX);
if (loginData->absolutePath.text[loginData->absolutePath.textLen-1] != '/')
{
strncat(theDirectoryToCheck, "/", PATH_MAX);
}
strncat(theDirectoryToCheck, theDirectoryNamePointer, PATH_MAX);
my_printf("\nRelative string: %s", theDirectoryToCheck);
}
my_printf("\nrealpath input: %s", theDirectoryToCheck);
if (strnlen(theDirectoryToCheck, 2) == 1 && theDirectoryToCheck[0] == '/')
{
setDynamicStringDataType(safePath, theDirectoryToCheck, strnlen(theDirectoryToCheck, PATH_MAX), memoryTable);
return 1;
}
char* real_path = my_realpath(theDirectoryToCheck, resolved_path);
if (real_path)
{
my_printf("\nResolved path: %s\n", real_path);
my_printf("\nCheck if home path: %s\n", loginData->homePath.text);
my_printf("\nIs in resolved path: %s\n", real_path);
char* real_path_abs = my_realpath(loginData->homePath.text, resolved_path_abs);
//Check if the home path is still set
if (is_prefix(real_path, real_path_abs))
{
my_printf("\nCheck ok");
setDynamicStringDataType(safePath, real_path, strnlen(real_path, PATH_MAX), memoryTable);
}
else
{
my_printfError("\nPath check error: %s check if is in: %s",loginData->homePath.text, real_path);
LOGF("%sPath check error: %s check if is in: %s", LOG_DEBUG_PREFIX, loginData->homePath.text, real_path);
return 0;
}
}
else
{
LOGF("%sRealpath error: %s", LOG_DEBUG_PREFIX, theDirectoryName);
my_printfError("\nRealpath error input %s", theDirectoryName);
my_printfError("\ntheDirectoryToCheck error input %s", theDirectoryToCheck);
return 0;
}
return 1;
}
void appendToDynamicStringDataType(dynamicStringDataType *dynamicString, char *theString, int stringLen, DYNMEM_MemoryTable_DataType **memoryTable)
{
//my_printf("\nRealloc dynamicString->text = %lld", dynamicString->text);
int theNewSize = dynamicString->textLen + stringLen;
dynamicString->text = DYNMEM_realloc(dynamicString->text, theNewSize + 1, memoryTable);
memset(dynamicString->text+dynamicString->textLen, 0, stringLen+1);
memcpy(dynamicString->text+dynamicString->textLen, theString, stringLen);
dynamicString->text[theNewSize] = '\0';
dynamicString->textLen = theNewSize;
}
void setRandomicPort(ftpDataType *data, int socketPosition)
{
unsigned short int randomicPort;
int maxAttempts = data->ftpParameters.connectionPortMax - data->ftpParameters.connectionPortMin +1;
int attempt = 0;
int conflict;
while (attempt++ < maxAttempts)
{
// Generate a random port in range
randomicPort = data->ftpParameters.connectionPortMin +
(rand() % (data->ftpParameters.connectionPortMax - data->ftpParameters.connectionPortMin + 1));
// Check against other clients
conflict = 0;
for (int i = 0; i < data->ftpParameters.maxClients; ++i)
{
if (i != socketPosition &&
data->clients[i].workerData.connectionPort == randomicPort)
{
conflict = 1;
break;
}
}
if (conflict)
continue;
// Check if port is in use on the system
if (!isPortInUse(randomicPort))
{
data->clients[socketPosition].workerData.connectionPort = randomicPort;
my_printf("\n data->clients[%d].workerData.connectionPort = %d",
socketPosition, randomicPort);
return;
}
}
// If we’re here, we failed to find a port
LOG_ERROR("Failed to find available random port");
data->clients[socketPosition].workerData.connectionPort = 0;
}
int writeListDataInfoToSocket(ftpDataType *ftpData, int clientId, int *filesNumber, int commandType, DYNMEM_MemoryTable_DataType **memoryTable)
{
// a --> include . and ..
// A --> do not include . and ..
// nothing --> no hidden no . and no ..
my_printf("\nFILE_GetDirectoryInodeList arg path: %s", ftpData->clients[clientId].listPath.text);
my_printf("\nftpData->clients[clientId].workerData.ftpCommand.commandArgs: %s", ftpData->clients[clientId].workerData.ftpCommand.commandArgs.text);
my_printf("\nftpData->clients[clientId].workerData.ftpCommand.commandOps: %s", ftpData->clients[clientId].workerData.ftpCommand.commandOps.text);
int i, x, returnCode;
int fileAndFoldersCount = 0;
char **fileList = NULL;
FILE_GetDirectoryInodeList(ftpData->clients[clientId].listPath.text, &fileList, &fileAndFoldersCount, 0, ftpData->clients[clientId].workerData.ftpCommand.commandOps.text, 0, memoryTable);
*filesNumber = fileAndFoldersCount;
if (commandType != COMMAND_TYPE_STAT)
{
returnCode = socketWorkerPrintf(ftpData, clientId, "sds", "total ", fileAndFoldersCount ,"\r\n");
if (returnCode <= 0)
{
for (x = 0; x < fileAndFoldersCount; x++)
DYNMEM_free (fileList[x], memoryTable);
DYNMEM_free (fileList, memoryTable);
return -1;
}
}
for (i = 0; i < fileAndFoldersCount; i++)
{
ftpListDataType data;
data.owner = NULL;
data.groupOwner = NULL;
data.inodePermissionString = NULL;
data.fileNameWithPath = NULL;
data.finalStringPath = NULL;
data.linkPath = NULL;
data.isFile = 0;
data.isDirectory = 0;
if (FILE_IsDirectory(fileList[i], 0) == 1)
{
data.isDirectory = 1;
data.isFile = 0;
data.isLink = 0;
data.fileSize = 4096;
data.numberOfSubDirectories = FILE_GetDirectoryInodeCount(fileList[i]);
}
else if (FILE_IsFile(fileList[i], 0) == 1)
{
data.isDirectory = 0;
data.isFile = 1;
data.isLink = 0;
data.numberOfSubDirectories = 1; /* to Do*/
data.fileSize = FILE_GetFileSizeFromPath(fileList[i]);
}
else if (FILE_IsLink(fileList[i]) == 1)
{
//List broken links
data.isLink = 1;
my_printf("\n%s **************************** neither a file or dir is link", fileList[i]);
}
else
{
my_printf("\n%s **************************************** inode not recognized", fileList[i]);
}
if (data.isDirectory == 0 && data.isFile == 0 && data.isLink == 0)
{
DYNMEM_free (fileList[i], memoryTable);
continue;
}
data.owner = FILE_GetOwner(fileList[i], memoryTable);
data.groupOwner = FILE_GetGroupOwner(fileList[i], memoryTable);
data.fileNameWithPath = fileList[i];
data.fileNameNoPath = FILE_GetFilenameFromPath(fileList[i]);
data.inodePermissionString = FILE_GetListPermissionsString(fileList[i], memoryTable);
data.lastModifiedData = FILE_GetLastModifiedData(fileList[i]);
if (strlen(data.fileNameNoPath) > 0)
{
data.finalStringPath = (char *) DYNMEM_malloc (strlen(data.fileNameNoPath)+1, memoryTable, "dataFinalPath");
strcpy(data.finalStringPath, data.fileNameNoPath);
}
if (data.isLink == 1)
{
if(data.inodePermissionString != NULL)
my_printf("\n ************************** data.inodePermissionString = %s", data.inodePermissionString);
else
my_printf("\n ********************** void inode permission string");
}
if (data.isLink == 1 &&
data.inodePermissionString != NULL &&
strlen(data.inodePermissionString) > 0 &&
data.inodePermissionString[0] == 'l')
{
int len = 0;
data.isLink = 1;
data.linkPath = (char *) DYNMEM_malloc (CLIENT_COMMAND_STRING_SIZE*sizeof(char), memoryTable, "dataLinkPath");
if ((len = readlink (fileList[i], data.linkPath, CLIENT_COMMAND_STRING_SIZE)) > 0)
{
data.linkPath[len] = 0;
FILE_AppendToString(&data.finalStringPath, " -> ", memoryTable);
FILE_AppendToString(&data.finalStringPath, data.linkPath, memoryTable);
}
}
memset(data.lastModifiedDataString, 0, LIST_DATA_TYPE_MODIFIED_DATA_STR_SIZE);
struct tm newtime;
localtime_r(&data.lastModifiedData, &newtime);
strftime(data.lastModifiedDataString, LIST_DATA_TYPE_MODIFIED_DATA_STR_SIZE, "%b %d %Y", &newtime);
switch (commandType)
{
case COMMAND_TYPE_LIST:
{
returnCode = socketWorkerPrintf(ftpData, clientId, "ssdssssslsssss",
data.inodePermissionString == NULL? "Unknown" : data.inodePermissionString
," "
,data.numberOfSubDirectories
," "
,data.owner == NULL? "Unknown" : data.owner
," "
,data.groupOwner == NULL? "Unknown" : data.groupOwner
," "
,data.fileSize
," "
,data.lastModifiedDataString == NULL? "Unknown" : data.lastModifiedDataString
," "
,data.finalStringPath == NULL? "Unknown" : data.finalStringPath
,"\r\n");
/*
returnCode = dprintf(theSocket, "%s %d %s %s %lld %s %s\r\n",
data.inodePermissionString == NULL? "Unknown" : data.inodePermissionString
,data.numberOfSubDirectories
,data.owner == NULL? "Unknown" : data.owner
,data.groupOwner == NULL? "Unknown" : data.groupOwner
,data.fileSize
,data.lastModifiedDataString == NULL? "Unknown" : data.lastModifiedDataString
,data.finalStringPath == NULL? "Unknown" : data.finalStringPath);
*/
}
break;
case COMMAND_TYPE_NLST:
{
returnCode = socketWorkerPrintf(ftpData, clientId, "ss", data.fileNameNoPath, "\r\n");
}
break;
case COMMAND_TYPE_STAT:
{
returnCode = socketPrintf(ftpData, clientId, "ssdssssslsssss",
data.inodePermissionString == NULL? "Unknown" : data.inodePermissionString
," "
,data.numberOfSubDirectories
," "
,data.owner == NULL? "Unknown" : data.owner
," "
,data.groupOwner == NULL? "Unknown" : data.groupOwner
," "
,data.fileSize
," "
,data.lastModifiedDataString == NULL? "Unknown" : data.lastModifiedDataString
," "
,data.finalStringPath == NULL? "Unknown" : data.finalStringPath
,"\r\n");
/*
returnCode = dprintf(theSocket, "%s %d %s %s %lld %s %s\r\n",
data.inodePermissionString == NULL? "Unknown" : data.inodePermissionString
,data.numberOfSubDirectories
,data.owner == NULL? "Unknown" : data.owner
,data.groupOwner == NULL? "Unknown" : data.groupOwner
,data.fileSize
,data.lastModifiedDataString == NULL? "Unknown" : data.lastModifiedDataString
,data.finalStringPath == NULL? "Unknown" : data.finalStringPath);
*/
}
break;
default:
{
my_printf("\nWarning switch default in function writeListDataInfoToSocket (%d)", commandType);
}
break;
}
if (data.fileNameWithPath != NULL)
DYNMEM_free(data.fileNameWithPath, memoryTable);
if (data.linkPath != NULL)
DYNMEM_free(data.linkPath, memoryTable);
if (data.finalStringPath != NULL)
DYNMEM_free(data.finalStringPath, memoryTable);
if (data.owner != NULL)
DYNMEM_free(data.owner, memoryTable);
if (data.groupOwner != NULL)
DYNMEM_free(data.groupOwner, memoryTable);
if (data.inodePermissionString != NULL)
DYNMEM_free(data.inodePermissionString, memoryTable);
if (returnCode <= 0)
{
for (x = i+1; x < fileAndFoldersCount; x++)
DYNMEM_free (fileList[x], memoryTable);
DYNMEM_free (fileList, memoryTable);
return -1;
}
}
if (fileList != NULL)
{
DYNMEM_free (fileList, memoryTable);
}
return 1;
}
int searchInLoginFailsVector(void * loginFailsVector, void *element)
{
int i = 0;
//my_printf("((DYNV_VectorGenericDataType *)loginFailsVector)->Size = %d", ((DYNV_VectorGenericDataType *)loginFailsVector)->Size);
for (i = 0; i < ((DYNV_VectorGenericDataType *)loginFailsVector)->Size; i++)
{
if (strcmp( ((loginFailsDataType *) element)->ipAddress, (((loginFailsDataType *) ((DYNV_VectorGenericDataType *)loginFailsVector)->Data[i])->ipAddress)) == 0)
{
//my_printf("\n\n***IP address found: %s in %d", ((loginFailsDataType *) element)->ipAddress, i);
return i;
}
}
return -1;
}
void deleteLoginFailsData(void *element)
{
; //NOP
}
void getListDataInfo(char * thePath, DYNV_VectorGenericDataType *directoryInfo, DYNMEM_MemoryTable_DataType **memoryTable)
{
int i;
int fileAndFoldersCount = 0;
ftpListDataType data;
FILE_GetDirectoryInodeList(thePath, &data.fileList, &fileAndFoldersCount, 0, "Z", 0, memoryTable);
//my_printf("\nNUMBER OF FILES: %d", fileAndFoldersCount);
//fflush(0);
for (i = 0; i < fileAndFoldersCount; i++)
{
data.owner = NULL;
data.groupOwner = NULL;
data.inodePermissionString = NULL;
data.fileNameWithPath = NULL;
data.finalStringPath = NULL;
data.linkPath = NULL;
data.numberOfSubDirectories = 1; /* to Do*/
data.isFile = 0;
data.isDirectory = 0;
//my_printf("\nPROCESSING: %s", data.fileList[i]);
//fflush(0);
if (FILE_IsDirectory(data.fileList[i], 0) == 1)
{
//my_printf("\nis file");
//fflush(0);
data.isDirectory = 1;
data.isFile = 0;
data.isLink = 0;
data.fileSize = 4096;
}
else if (FILE_IsFile(data.fileList[i], 0) == 1)
{
//my_printf("\nis file");
//fflush(0);
data.isDirectory = 0;
data.isFile = 1;
data.isLink = 0;
data.fileSize = FILE_GetFileSizeFromPath(data.fileList[i]);
}
if (data.isDirectory == 0 && data.isFile == 0)
{
//my_printf("\nNot a directory, not a file, broken link");
continue;
}
// my_printf("\nFILE SIZE : %lld", data.fileSize);
data.owner = FILE_GetOwner(data.fileList[i], memoryTable);
data.groupOwner = FILE_GetGroupOwner(data.fileList[i], memoryTable);
data.fileNameWithPath = data.fileList[i];
data.fileNameNoPath = FILE_GetFilenameFromPath(data.fileList[i]);
data.inodePermissionString = FILE_GetListPermissionsString(data.fileList[i], memoryTable);
data.lastModifiedData = FILE_GetLastModifiedData(data.fileList[i]);
if (strlen(data.fileNameNoPath) > 0)
{
data.finalStringPath = (char *) DYNMEM_malloc (strlen(data.fileNameNoPath)+1, memoryTable, "FinalStringPath");
strcpy(data.finalStringPath, data.fileNameNoPath);
}
if (data.inodePermissionString != NULL &&
strlen(data.inodePermissionString) > 0 &&
data.inodePermissionString[0] == 'l')
{
int len = 0;
data.isLink = 1;
data.linkPath = (char *) DYNMEM_malloc (CLIENT_COMMAND_STRING_SIZE*sizeof(char), memoryTable, "data.linkPath");
if ((len = readlink (data.fileList[i], data.linkPath, CLIENT_COMMAND_STRING_SIZE)) > 0)
{
data.linkPath[len] = 0;
FILE_AppendToString(&data.finalStringPath, " -> ", memoryTable);
FILE_AppendToString(&data.finalStringPath, data.linkPath, memoryTable);
}
}
memset(data.lastModifiedDataString, 0, LIST_DATA_TYPE_MODIFIED_DATA_STR_SIZE);
struct tm newtime;
localtime_r(&data.lastModifiedData, &newtime);
strftime(data.lastModifiedDataString, 80, "%b %d %Y", &newtime);
/*
-1 List one file per line
-A List all files except "." and ".."
-a List all files including those whose names start with "."
-C List entries by columns
-d List directory entries instead of directory contents
-F Append file type indicator (one of "*", "/", "=", "@" or "|") to names
-h Print file sizes in human-readable format (e.g. 1K, 234M, 2G)
-L List files pointed to by symlinks
-l Use a long listing format
-n List numeric UIDs/GIDs instead of user/group names
-R List subdirectories recursively
-r Sort filenames in reverse order
-S Sort by file size
-t Sort by modification time
*/
directoryInfo->PushBack(directoryInfo, &data, sizeof(ftpListDataType));
}
}
void deleteListDataInfoVector(DYNV_VectorGenericDataType *theVector)
{
for (int i = 0; i < theVector->Size; i++)
{
ftpListDataType *data = (ftpListDataType *)theVector->Data[i];
if (data->owner != NULL)
{
DYNMEM_free(data->owner, &theVector->memoryTable);
}
if (data->groupOwner != NULL)
{
DYNMEM_free(data->groupOwner, &theVector->memoryTable);
}
if (data->inodePermissionString != NULL)
{
DYNMEM_free(data->inodePermissionString, &theVector->memoryTable);
}
if (data->fileNameWithPath != NULL)
{
DYNMEM_free(data->fileNameWithPath, &theVector->memoryTable);
}
if (data->finalStringPath != NULL)
{
DYNMEM_free(data->finalStringPath, &theVector->memoryTable);
}
if (data->linkPath != NULL)
{
DYNMEM_free(data->linkPath, &theVector->memoryTable);
}
}
}
void resetWorkerData(ftpDataType *data, int clientId, int isInitialization)
{
my_printf("\nReset of worker id: %d", clientId);
data->clients[clientId].workerData.connectionPort = 0;
data->clients[clientId].workerData.passiveModeOn = 0;
data->clients[clientId].workerData.socketIsConnected = 0;
data->clients[clientId].workerData.socketIsReadyForConnection = 0;
data->clients[clientId].workerData.commandIndex = 0;
data->clients[clientId].workerData.passiveListeningSocket = 0;
data->clients[clientId].workerData.socketConnection = 0;
data->clients[clientId].workerData.bufferIndex = 0;
data->clients[clientId].workerData.commandReceived = 0;
data->clients[clientId].workerData.retrRestartAtByte = 0;
data->clients[clientId].workerData.threadIsAlive = 0;
data->clients[clientId].workerData.activeModeOn = 0;
data->clients[clientId].workerData.extendedPassiveModeOn = 0;
data->clients[clientId].workerData.activeIpAddressIndex = 0;
data->clients[clientId].workerData.commandProcessed = 0;
memset(data->clients[clientId].workerData.buffer, 0, CLIENT_BUFFER_STRING_SIZE+1);
memset(data->clients[clientId].workerData.activeIpAddress, 0, CLIENT_BUFFER_STRING_SIZE);
memset(data->clients[clientId].workerData.theCommandReceived, 0, CLIENT_BUFFER_STRING_SIZE+1);
memset(data->clients[clientId].workerData.theCommandResponse, 0, STRING_SZ_SMALL+1);
cleanDynamicStringDataType(&data->clients[clientId].workerData.ftpCommand.commandArgs, isInitialization, &data->clients[clientId].workerData.memoryTable);
cleanDynamicStringDataType(&data->clients[clientId].workerData.ftpCommand.commandOps, isInitialization, &data->clients[clientId].workerData.memoryTable);
/* wait main for action */
if (isInitialization != 1)
{
if (data->clients[clientId].workerData.theStorFile != NULL)
{
fclose(data->clients[clientId].workerData.theStorFile);
data->clients[clientId].workerData.theStorFile = NULL;
}
#ifdef OPENSSL_ENABLED
if (data->clients[clientId].workerData.serverSsl != NULL)
{
SSL_free(data->clients[clientId].workerData.serverSsl);
data->clients[clientId].workerData.serverSsl = NULL;
}
if (data->clients[clientId].workerData.clientSsl != NULL)
{
SSL_free(data->clients[clientId].workerData.clientSsl);
data->clients[clientId].workerData.clientSsl = NULL;
}
#endif
}
else
{
DYNV_VectorGeneric_Init(&data->clients[clientId].workerData.directoryInfo);
data->clients[clientId].workerData.theStorFile = NULL;
data->clients[clientId].workerData.threadHasBeenCreated = 0;
}
//Clear the dynamic vector structure
int theSize = data->clients[clientId].workerData.directoryInfo.Size;
char ** lastToDestroy = NULL;
if (theSize > 0)
{
lastToDestroy = ((ftpListDataType *)data->clients[clientId].workerData.directoryInfo.Data[0])->fileList;
data->clients[clientId].workerData.directoryInfo.Destroy(&data->clients[clientId].workerData.directoryInfo, deleteListDataInfoVector);
DYNMEM_free(lastToDestroy, &data->clients[clientId].workerData.memoryTable);
}
#ifdef OPENSSL_ENABLED
data->clients[clientId].workerData.serverSsl = SSL_new(data->serverCtx);
data->clients[clientId].workerData.clientSsl = SSL_new(data->serverCtx);
#endif
}
void resetClientData(ftpDataType *data, int clientId, int isInitialization)
{
if (isInitialization != 1)
{
handleThreadReuse(data, clientId);
pthread_mutex_destroy(&data->clients[clientId].conditionMutex);
pthread_cond_destroy(&data->clients[clientId].conditionVariable);
pthread_mutex_destroy(&data->clients[clientId].writeMutex);
#ifdef OPENSSL_ENABLED
if (data->clients[clientId].ssl != NULL)
{
SSL_free(data->clients[clientId].ssl);
data->clients[clientId].ssl = NULL;
}
#endif
}
if (pthread_mutex_init(&data->clients[clientId].writeMutex, NULL) != 0)
{
my_printf("\nclientData->writeMutex init failed\n");
exit(0);
}
if (pthread_mutex_init(&data->clients[clientId].conditionMutex, NULL) != 0)
{
my_printf("\ndata->clients[clientId].workerData.conditionMutex init failed\n");
exit(0);
}
if (pthread_cond_init(&data->clients[clientId].conditionVariable, NULL) != 0)
{
my_printf("\ndata->clients[clientId].workerData.conditionVariable init failed\n");
exit(0);
}
data->clients[clientId].tlsIsNegotiating = 0;
data->clients[clientId].tlsIsEnabled = 0;
data->clients[clientId].dataChannelIsTls = 0;
data->clients[clientId].socketDescriptor = -1;
data->clients[clientId].socketCommandReceived = 0;
data->clients[clientId].socketIsConnected = 0;
data->clients[clientId].bufferIndex = 0;
data->clients[clientId].commandIndex = 0;
data->clients[clientId].closeTheClient = 0;
data->clients[clientId].sockaddr_in_size = sizeof(struct sockaddr_in);
data->clients[clientId].sockaddr_in_server_size = sizeof(struct sockaddr_in);
memset(&data->clients[clientId].client_sockaddr_in, 0, data->clients[clientId].sockaddr_in_size);
memset(&data->clients[clientId].server_sockaddr_in, 0, data->clients[clientId].sockaddr_in_server_size);
memset(data->clients[clientId].clientIpAddress, 0, INET_ADDRSTRLEN);
memset(data->clients[clientId].buffer, 0, CLIENT_BUFFER_STRING_SIZE+1);
memset(data->clients[clientId].theCommandReceived, 0, CLIENT_COMMAND_STRING_SIZE+1);
cleanLoginData(&data->clients[clientId].login, isInitialization, &data->clients[clientId].memoryTable);
//Rename from and to data init
cleanDynamicStringDataType(&data->clients[clientId].renameFromFile, isInitialization, &data->clients[clientId].memoryTable);
cleanDynamicStringDataType(&data->clients[clientId].renameToFile, isInitialization, &data->clients[clientId].memoryTable);
cleanDynamicStringDataType(&data->clients[clientId].fileToStor, isInitialization, &data->clients[clientId].memoryTable);
cleanDynamicStringDataType(&data->clients[clientId].fileToRetr, isInitialization, &data->clients[clientId].memoryTable);
cleanDynamicStringDataType(&data->clients[clientId].listPath, isInitialization, &data->clients[clientId].memoryTable);
cleanDynamicStringDataType(&data->clients[clientId].listPath, isInitialization, &data->clients[clientId].memoryTable);
cleanDynamicStringDataType(&data->clients[clientId].ftpCommand.commandArgs, isInitialization, &data->clients[clientId].memoryTable);
cleanDynamicStringDataType(&data->clients[clientId].ftpCommand.commandOps, isInitialization, &data->clients[clientId].memoryTable);
data->clients[clientId].connectionTimeStamp = 0;
data->clients[clientId].tlsNegotiatingTimeStart = 0;
data->clients[clientId].lastActivityTimeStamp = 0;
#ifdef OPENSSL_ENABLED
data->clients[clientId].ssl = SSL_new(data->serverCtx);
#endif
//my_printf("\nclient memory table :%lld", data->clients[clientId].memoryTable);
}
int compareStringCaseInsensitive(char * stringIn, char * stringRef, int stringLenght)
{
int i = 0;
char *alfaLowerCase = "qwertyuiopasdfghjklzxcvbnm .";
char *alfaUpperCase = "QWERTYUIOPASDFGHJKLZXCVBNM .";
int stringInIndex;
int stringRefIndex;
for (i = 0; i <stringLenght; i++)
{
stringInIndex = isCharInString(alfaUpperCase, strlen(alfaUpperCase), stringIn[i]);
if (stringInIndex == -1)
{
stringInIndex = isCharInString(alfaLowerCase, strlen(alfaLowerCase), stringIn[i]);
}
stringRefIndex = isCharInString(alfaUpperCase, strlen(alfaUpperCase), stringRef[i]);
if (stringRefIndex == -1)
{
stringRefIndex = isCharInString(alfaLowerCase, strlen(alfaLowerCase), stringRef[i]);
}
if (stringRefIndex == -1 || stringInIndex == -1)
{
return 0;
}
if (stringRefIndex != stringInIndex)
{
return 0;
}
}
if (stringIn[i] != '\0' &&stringIn[i] != ' ')
return 0;
return 1;
}
int isCharInString(char *theString, int stringLen, char theChar)
{
for (int i = 0; i < stringLen; i++)
{
if (theString[i] == theChar)
{
return i;
}
}
return -1;
}