mirror of
https://github.com/kingk85/uFTP.git
synced 2025-04-20 00:18:57 +03:00
319 lines
11 KiB
C
319 lines
11 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "configRead.h"
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#include "dynamicVectors.h"
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#include "fileManagement.h"
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#define PARAMETER_SIZE_LIMIT 1024
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int readConfigurationFile(char *path, DYNV_VectorGenericDataType *parametersVector)
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{
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#define STATE_START 0
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#define STATE_NAME 1
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#define STATE_VALUE 2
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#define STATE_STORE 3
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#define STATE_TO_NEW_LINE 4
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int theFileSize = 0;
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int i, state, nameIndex, valueIndex, allowSpacesInValue;
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char * theFileContent;
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theFileSize = FILE_GetStringFromFile(path, &theFileContent);
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char name[PARAMETER_SIZE_LIMIT];
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char value[PARAMETER_SIZE_LIMIT];
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memset(name, 0, PARAMETER_SIZE_LIMIT);
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memset(value, 0, PARAMETER_SIZE_LIMIT);
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nameIndex = 0;
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valueIndex = 0;
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i = 0;
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state = STATE_START;
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allowSpacesInValue = 0;
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while (i < theFileSize)
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{
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switch (state)
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{
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case STATE_START:
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{
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/* Skip Special chars not allowed in the name */
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if (theFileContent[i] == ' ' ||
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theFileContent[i] == '\r' ||
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theFileContent[i] == '\n' ||
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theFileContent[i] == '\t')
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{
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i++;
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}
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/* 1st char is a sharp comment case */
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else if (theFileContent[i] == '#')
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{
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state = STATE_TO_NEW_LINE;
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i++;
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}
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/* Name Start */
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else
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{
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state = STATE_NAME;
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}
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}
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break;
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case STATE_NAME:
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{
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/* Not allowed chars in the name */
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if (theFileContent[i] == ' ' ||
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theFileContent[i] == '\r' ||
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theFileContent[i] == '\t')
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{
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i++;
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}
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/* Unexpected end of line no parameter acquisition */
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else if (theFileContent[i] == '\n')
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{
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i++;
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nameIndex = 0;
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memset(name, 0, PARAMETER_SIZE_LIMIT);
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state = STATE_START;
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}
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/* Name ends and value starts */
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else if (theFileContent[i] == '=')
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{
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i++;
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/* Name stored proceed to value*/
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if (nameIndex > 0)
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state = STATE_VALUE;
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else if (nameIndex == 0) /* No void name allowed*/
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state = STATE_TO_NEW_LINE;
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}
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else
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{
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if (nameIndex < PARAMETER_SIZE_LIMIT)
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name[nameIndex++] = theFileContent[i];
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i++;
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}
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}
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break;
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case STATE_VALUE:
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{
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/* Skip not allowed values */
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if ((theFileContent[i] == ' ' && allowSpacesInValue == 0) ||
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theFileContent[i] == '\r' ||
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theFileContent[i] == '\t')
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{
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i++;
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}
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/* Toggle the allow spaces flag */
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else if (theFileContent[i] == '"')
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{
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i++;
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if (allowSpacesInValue == 0)
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allowSpacesInValue = 1;
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else
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allowSpacesInValue = 0;
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}
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else if (theFileContent[i] == '\n')
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{
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/* Value stored proceed to save */
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if (valueIndex > 0)
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state = STATE_STORE;
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else if (valueIndex == 0) /* No void value allowed*/
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{
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memset(name, 0, PARAMETER_SIZE_LIMIT);
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memset(value, 0, PARAMETER_SIZE_LIMIT);
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nameIndex = 0;
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valueIndex = 0;
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state = STATE_START;
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}
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i++;
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}
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else
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{
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if (valueIndex < PARAMETER_SIZE_LIMIT)
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value[valueIndex++] = theFileContent[i];
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i++;
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}
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}
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break;
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case STATE_TO_NEW_LINE:
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{
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/* Wait until a new line is found */
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if (theFileContent[i] == '\n')
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{
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state = STATE_START;
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}
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i++;
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}
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break;
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case STATE_STORE:
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{
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parameter_DataType parameter;
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parameter.name = malloc(nameIndex+1);
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parameter.value = malloc(valueIndex+1);
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strcpy(parameter.name, name);
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strcpy(parameter.value, value);
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parameter.name[nameIndex] = '\0';
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parameter.value[valueIndex] = '\0';
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memset(name, 0, PARAMETER_SIZE_LIMIT);
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memset(value, 0, PARAMETER_SIZE_LIMIT);
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nameIndex = 0;
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valueIndex = 0;
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state = STATE_START;
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printf("\nParameter read: %s = %s", parameter.name, parameter.value);
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parametersVector->PushBack(parametersVector, ¶meter, sizeof(parameter_DataType));
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}
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break;
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}
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}
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return 1;
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}
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int searchParameter(char *name, DYNV_VectorGenericDataType *parametersVector)
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{
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int returnCode = -1;
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int i = 0;
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for (i = 0; i <parametersVector->Size; i++)
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{
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if (strcmp(name, ((parameter_DataType *) parametersVector->Data[i])->name) == 0)
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{
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return i;
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}
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}
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return returnCode;
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}
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int searchUser(char *name, DYNV_VectorGenericDataType *usersVector)
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{
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int returnCode = -1;
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int i = 0;
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for (i = 0; i <usersVector->Size; i++)
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{
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if (strcmp(name, ((usersParameters_DataType *) usersVector->Data[i])->name) == 0)
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{
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return i;
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}
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}
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return returnCode;
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}
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int parseConfigurationFile(ftpParameters_DataType *ftpParameters, DYNV_VectorGenericDataType *parametersVector)
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{
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int searchIndex;
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int userIndex;
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char userX[PARAMETER_SIZE_LIMIT], passwordX[PARAMETER_SIZE_LIMIT], homeX[PARAMETER_SIZE_LIMIT];
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searchIndex = searchParameter("MAXIMUM_ALLOWED_FTP_CONNECTION", parametersVector);
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if (searchIndex != -1)
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{
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ftpParameters->maxClients = atoi(((parameter_DataType *) parametersVector->Data[searchIndex])->value);
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printf("\nFtp maximum allowed clients: %d", ftpParameters->maxClients);
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}
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else
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{
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ftpParameters->maxClients = 10;
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}
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searchIndex = searchParameter("FTP_PORT", parametersVector);
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if (searchIndex != -1)
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{
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ftpParameters->port = atoi(((parameter_DataType *) parametersVector->Data[searchIndex])->value);
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printf("\nFtp port: %d", ftpParameters->port);
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}
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else
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{
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ftpParameters->port = 21;
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}
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searchIndex = searchParameter("FTP_SERVER_IP", parametersVector);
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if (searchIndex != -1)
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{
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sscanf (((parameter_DataType *) parametersVector->Data[searchIndex])->value,"%d.%d.%d.%d", &ftpParameters->ftpIpAddress[0],
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&ftpParameters->ftpIpAddress[1],
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&ftpParameters->ftpIpAddress[2],
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&ftpParameters->ftpIpAddress[3]);
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printf("\nFtp ip address: %d.%d.%d.%d", ftpParameters->ftpIpAddress[0],
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ftpParameters->ftpIpAddress[1],
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ftpParameters->ftpIpAddress[2],
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ftpParameters->ftpIpAddress[3]);
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}
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else
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{
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ftpParameters->ftpIpAddress[0] = 127;
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ftpParameters->ftpIpAddress[1] = 0;
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ftpParameters->ftpIpAddress[2] = 0;
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ftpParameters->ftpIpAddress[3] = 1;
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}
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/* USER SETTINGS */
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userIndex = 0;
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memset(userX, 0, PARAMETER_SIZE_LIMIT);
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memset(passwordX, 0, PARAMETER_SIZE_LIMIT);
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memset(homeX, 0, PARAMETER_SIZE_LIMIT);
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DYNV_VectorGeneric_Init(&ftpParameters->usersVector);
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while(1)
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{
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int searchUserIndex, searchPasswordIndex, searchHomeIndex;
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usersParameters_DataType userData;
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sprintf(userX, "USER_%d", userIndex);
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sprintf(passwordX, "PASSWORD_%d", userIndex);
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sprintf(homeX, "HOME_%d", userIndex);
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userIndex++;
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searchUserIndex = searchParameter(userX, parametersVector);
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searchPasswordIndex = searchParameter(passwordX, parametersVector);
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searchHomeIndex = searchParameter(homeX, parametersVector);
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if (searchUserIndex == -1 ||
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searchPasswordIndex == -1 ||
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searchHomeIndex == -1)
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{
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printf("\n BREAK ");
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break;
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}
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userData.name = malloc(strlen(((parameter_DataType *) parametersVector->Data[searchUserIndex])->value) + 1);
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userData.password = malloc(strlen(((parameter_DataType *) parametersVector->Data[searchPasswordIndex])->value) + 1);
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userData.homePath = malloc(strlen(((parameter_DataType *) parametersVector->Data[searchHomeIndex])->value) + 1);
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strcpy(userData.name, ((parameter_DataType *) parametersVector->Data[searchUserIndex])->value);
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strcpy(userData.password, ((parameter_DataType *) parametersVector->Data[searchPasswordIndex])->value);
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strcpy(userData.homePath, ((parameter_DataType *) parametersVector->Data[searchHomeIndex])->value);
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userData.name[strlen(((parameter_DataType *) parametersVector->Data[searchUserIndex])->value)] = '\0';
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userData.password[strlen(((parameter_DataType *) parametersVector->Data[searchPasswordIndex])->value)] = '\0';
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userData.homePath[strlen(((parameter_DataType *) parametersVector->Data[searchHomeIndex])->value)] = '\0';
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printf("\n\nAdding user");
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printf("\nName: %s", userData.name);
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printf("\nPassword: %s", userData.password);
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printf("\nHomePath: %s", userData.homePath);
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ftpParameters->usersVector.PushBack(&ftpParameters->usersVector, &userData, sizeof(usersParameters_DataType));
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}
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return 1;
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} |