1414 lines
41 KiB
C
1414 lines
41 KiB
C
/*
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* This file is part of the MicroPython ESP32 project, https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 LoBo (https://github.com/loboris)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/*
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* This file is based on 'ftp' from Pycom Limited.
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*
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* Author: LoBo, loboris@gmail.com
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* Copyright (c) 2017, LoBo
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*/
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#include <stdio.h>
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#include <inttypes.h>
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#include <stdint.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/event_groups.h"
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#include "dirent.h"
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#include "esp_system.h"
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//#include "esp_spi_flash.h" // ESP-IDF V4
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#include "esp_flash.h" // ESP-IDF V5
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#include "nvs_flash.h"
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#include "esp_log.h"
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#include "esp_wifi.h"
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#include "lwip/sockets.h"
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#include "lwip/dns.h"
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#include "lwip/netdb.h"
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//#include "freertos/semphr.h"
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#include "ftp.h"
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extern int FTP_TASK_FINISH_BIT;
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extern EventGroupHandle_t xEventTask;
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int ftp_buff_size = CONFIG_MICROPY_FTPSERVER_BUFFER_SIZE;
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int ftp_timeout = FTP_CMD_TIMEOUT_MS;
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const char *FTP_TAG = "[Ftp]";
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const char *MOUNT_POINT = "/root";
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static uint8_t ftp_stop = 0;
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char ftp_user[FTP_USER_PASS_LEN_MAX + 1] = "anonymous";
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char ftp_pass[FTP_USER_PASS_LEN_MAX + 1] = "";
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/******************************************************************************
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DECLARE PRIVATE DATA
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******************************************************************************/
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static ftp_data_t ftp_data = {0};
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static char *ftp_path = NULL;
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static char *ftp_scratch_buffer = NULL;;
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static char *ftp_cmd_buffer = NULL;
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static uint8_t ftp_nlist = 0;
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static const ftp_cmd_t ftp_cmd_table[] = { { "FEAT" }, { "SYST" }, { "CDUP" }, { "CWD" },
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{ "PWD" }, { "XPWD" }, { "SIZE" }, { "MDTM" },
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{ "TYPE" }, { "USER" }, { "PASS" }, { "PASV" },
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{ "LIST" }, { "RETR" }, { "STOR" }, { "DELE" },
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{ "RMD" }, { "MKD" }, { "RNFR" }, { "RNTO" },
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{ "NOOP" }, { "QUIT" }, { "APPE" }, { "NLST" }, { "AUTH" } };
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// ==== PRIVATE FUNCTIONS ===================================================
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uint64_t mp_hal_ticks_ms() {
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uint64_t time_ms = xTaskGetTickCount() * portTICK_PERIOD_MS;
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return time_ms;
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}
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//--------------------------------
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static void stoupper (char *str) {
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while (str && *str != '\0') {
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*str = (char)toupper((int)(*str));
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str++;
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}
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}
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// ==== File functions =========================================
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//--------------------------------------------------------------
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static bool ftp_open_file (const char *path, const char *mode) {
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ESP_LOGI(FTP_TAG, "ftp_open_file: path=[%s]", path);
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char fullname[128];
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strcpy(fullname, MOUNT_POINT);
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strcat(fullname, path);
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ESP_LOGI(FTP_TAG, "ftp_open_file: fullname=[%s]", fullname);
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//ftp_data.fp = fopen(path, mode);
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ftp_data.fp = fopen(fullname, mode);
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if (ftp_data.fp == NULL) {
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ESP_LOGE(FTP_TAG, "ftp_open_file: open fail [%s]", fullname);
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return false;
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}
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ftp_data.e_open = E_FTP_FILE_OPEN;
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return true;
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}
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//--------------------------------------
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static void ftp_close_files_dir (void) {
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if (ftp_data.e_open == E_FTP_FILE_OPEN) {
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fclose(ftp_data.fp);
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ftp_data.fp = NULL;
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}
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else if (ftp_data.e_open == E_FTP_DIR_OPEN) {
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closedir(ftp_data.dp);
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ftp_data.dp = NULL;
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}
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ftp_data.e_open = E_FTP_NOTHING_OPEN;
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}
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//------------------------------------------------
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static void ftp_close_filesystem_on_error (void) {
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ftp_close_files_dir();
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if (ftp_data.fp) {
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fclose(ftp_data.fp);
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ftp_data.fp = NULL;
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}
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if (ftp_data.dp) {
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closedir(ftp_data.dp);
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ftp_data.dp = NULL;
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}
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}
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//---------------------------------------------------------------------------------------------
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static ftp_result_t ftp_read_file (char *filebuf, uint32_t desiredsize, uint32_t *actualsize) {
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ftp_result_t result = E_FTP_RESULT_CONTINUE;
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*actualsize = fread(filebuf, 1, desiredsize, ftp_data.fp);
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if (*actualsize == 0) {
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if (feof(ftp_data.fp))
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result = E_FTP_RESULT_OK;
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else
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result = E_FTP_RESULT_FAILED;
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ftp_close_files_dir();
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} else if (*actualsize < desiredsize) {
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ftp_close_files_dir();
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result = E_FTP_RESULT_OK;
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}
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return result;
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}
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//-----------------------------------------------------------------
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static ftp_result_t ftp_write_file (char *filebuf, uint32_t size) {
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ftp_result_t result = E_FTP_RESULT_FAILED;
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uint32_t actualsize = fwrite(filebuf, 1, size, ftp_data.fp);
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if (actualsize == size) {
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result = E_FTP_RESULT_OK;
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} else {
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ftp_close_files_dir();
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}
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return result;
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}
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//---------------------------------------------------------------
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static ftp_result_t ftp_open_dir_for_listing (const char *path) {
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if (ftp_data.dp) {
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closedir(ftp_data.dp);
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ftp_data.dp = NULL;
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}
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ESP_LOGI(FTP_TAG, "ftp_open_dir_for_listing path=[%s] MOUNT_POINT=[%s]", path, MOUNT_POINT);
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char fullname[128];
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strcpy(fullname, MOUNT_POINT);
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strcat(fullname, path);
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ESP_LOGI(FTP_TAG, "ftp_open_dir_for_listing: %s", fullname);
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ftp_data.dp = opendir(fullname); // Open the directory
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if (ftp_data.dp == NULL) {
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return E_FTP_RESULT_FAILED;
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}
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ftp_data.e_open = E_FTP_DIR_OPEN;
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ftp_data.listroot = false;
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return E_FTP_RESULT_CONTINUE;
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}
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//---------------------------------------------------------------------------------
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static int ftp_get_eplf_item (char *dest, uint32_t destsize, struct dirent *de) {
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char *type = (de->d_type & DT_DIR) ? "d" : "-";
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// Get full file path needed for stat function
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char fullname[128];
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strcpy(fullname, MOUNT_POINT);
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strcat(fullname, ftp_path);
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//strcpy(fullname, ftp_path);
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if (fullname[strlen(fullname)-1] != '/') strcat(fullname, "/");
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strcat(fullname, de->d_name);
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struct stat buf;
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int res = stat(fullname, &buf);
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ESP_LOGI(FTP_TAG, "ftp_get_eplf_item res=%d buf.st_size=%ld", res, buf.st_size);
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if (res < 0) {
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buf.st_size = 0;
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buf.st_mtime = 946684800; // Jan 1, 2000
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}
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char str_time[64];
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struct tm *tm_info;
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time_t now;
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if (time(&now) < 0) now = 946684800; // get the current time from the RTC
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tm_info = localtime(&buf.st_mtime); // get broken-down file time
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// if file is older than 180 days show dat,month,year else show month, day and time
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if ((buf.st_mtime + FTP_UNIX_SECONDS_180_DAYS) < now) strftime(str_time, 127, "%b %d %Y", tm_info);
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else strftime(str_time, 63, "%b %d %H:%M", tm_info);
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int addsize = destsize + 64;
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while (addsize >= destsize) {
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if (ftp_nlist) addsize = snprintf(dest, destsize, "%s\r\n", de->d_name);
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else addsize = snprintf(dest, destsize, "%srw-rw-rw- 1 root root %9"PRIu32" %s %s\r\n", type, (uint32_t)buf.st_size, str_time, de->d_name);
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if (addsize >= destsize) {
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ESP_LOGW(FTP_TAG, "Buffer too small, reallocating [%d > %"PRIi32"]", ftp_buff_size, ftp_buff_size + (addsize - destsize) + 64);
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char *new_dest = realloc(dest, ftp_buff_size + (addsize - destsize) + 65);
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if (new_dest) {
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ftp_buff_size += (addsize - destsize) + 64;
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destsize += (addsize - destsize) + 64;
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dest = new_dest;
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addsize = destsize + 64;
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}
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else {
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ESP_LOGE(FTP_TAG, "Buffer reallocation ERROR");
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addsize = 0;
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}
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}
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}
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return addsize;
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}
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#if 0
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//---------------------------------------------------------------------------
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static int ftp_get_eplf_drive (char *dest, uint32_t destsize, char *name) {
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char *type = "d";
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struct tm *tm_info;
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time_t seconds;
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time(&seconds); // get the time from the RTC
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tm_info = gmtime(&seconds);
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char str_time[64];
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strftime(str_time, 63, "%b %d %Y", tm_info);
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return snprintf(dest, destsize, "%srw-rw-rw- 1 root root %9u %s %s\r\n", type, 0, str_time, name);
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}
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#endif
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//--------------------------------------------------------------------------------------
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static ftp_result_t ftp_list_dir(char *list, uint32_t maxlistsize, uint32_t *listsize) {
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uint next = 0;
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uint listcount = 0;
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ftp_result_t result = E_FTP_RESULT_CONTINUE;
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struct dirent *de;
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// read up to 8 directory items
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while (((maxlistsize - next) > 64) && (listcount < 8)) {
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de = readdir(ftp_data.dp); // Read a directory item
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ESP_LOGI(FTP_TAG, "readdir de=%p", de);
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if (de == NULL) {
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result = E_FTP_RESULT_OK;
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break; // Break on error or end of dp
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}
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if (de->d_name[0] == '.' && de->d_name[1] == 0) continue; // Ignore . entry
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if (de->d_name[0] == '.' && de->d_name[1] == '.' && de->d_name[2] == 0) continue; // Ignore .. entry
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// add the entry to the list
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ESP_LOGI(FTP_TAG, "Add to dir list: %s", de->d_name);
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next += ftp_get_eplf_item((list + next), (maxlistsize - next), de);
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listcount++;
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}
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if (result == E_FTP_RESULT_OK) {
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ftp_close_files_dir();
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}
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*listsize = next;
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return result;
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}
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// ==== Socket functions ==============================================================
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//------------------------------------
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static void ftp_close_cmd_data(void) {
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closesocket(ftp_data.c_sd);
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closesocket(ftp_data.d_sd);
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ftp_data.c_sd = -1;
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ftp_data.d_sd = -1;
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ftp_close_filesystem_on_error ();
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}
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//----------------------------
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static void _ftp_reset(void) {
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// close all connections and start all over again
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ESP_LOGW(FTP_TAG, "FTP RESET");
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closesocket(ftp_data.lc_sd);
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closesocket(ftp_data.ld_sd);
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ftp_data.lc_sd = -1;
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ftp_data.ld_sd = -1;
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ftp_close_cmd_data();
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ftp_data.e_open = E_FTP_NOTHING_OPEN;
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ftp_data.state = E_FTP_STE_START;
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ftp_data.substate = E_FTP_STE_SUB_DISCONNECTED;
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}
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//-------------------------------------------------------------------------------------
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static bool ftp_create_listening_socket (int32_t *sd, uint32_t port, uint8_t backlog) {
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struct sockaddr_in sServerAddress;
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int32_t _sd;
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int32_t result;
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// open a socket for ftp data listen
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*sd = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
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_sd = *sd;
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if (_sd > 0) {
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// enable non-blocking mode
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uint32_t option = fcntl(_sd, F_GETFL, 0);
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option |= O_NONBLOCK;
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fcntl(_sd, F_SETFL, option);
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// enable address reusing
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option = 1;
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result = setsockopt(_sd, SOL_SOCKET, SO_REUSEADDR, &option, sizeof(option));
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// bind the socket to a port number
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sServerAddress.sin_family = AF_INET;
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sServerAddress.sin_addr.s_addr = INADDR_ANY;
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sServerAddress.sin_len = sizeof(sServerAddress);
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sServerAddress.sin_port = htons(port);
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result |= bind(_sd, (const struct sockaddr *)&sServerAddress, sizeof(sServerAddress));
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// start listening
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result |= listen (_sd, backlog);
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if (!result) {
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return true;
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}
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closesocket(*sd);
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}
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return false;
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}
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//--------------------------------------------------------------------------------------------
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static ftp_result_t ftp_wait_for_connection (int32_t l_sd, int32_t *n_sd, uint32_t *ip_addr) {
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struct sockaddr_in sClientAddress;
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socklen_t in_addrSize;
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// accepts a connection from a TCP client, if there is any, otherwise returns EAGAIN
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*n_sd = accept(l_sd, (struct sockaddr *)&sClientAddress, (socklen_t *)&in_addrSize);
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int32_t _sd = *n_sd;
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if (_sd < 0) {
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if (errno == EAGAIN) {
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return E_FTP_RESULT_CONTINUE;
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}
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// error
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_ftp_reset();
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return E_FTP_RESULT_FAILED;
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}
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if (ip_addr) {
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// check on which network interface the client was connected and save the IP address
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struct sockaddr_in clientAddr, serverAddr;
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in_addrSize = sizeof(struct sockaddr_in);
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getpeername(_sd, (struct sockaddr *)&clientAddr, (socklen_t *)&in_addrSize);
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getsockname(_sd, (struct sockaddr *)&serverAddr, (socklen_t *)&in_addrSize);
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ESP_LOGI(FTP_TAG, "Client IP: 0x%08"PRIx32, clientAddr.sin_addr.s_addr);
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ESP_LOGI(FTP_TAG, "Server IP: 0x%08"PRIx32, serverAddr.sin_addr.s_addr);
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*ip_addr = serverAddr.sin_addr.s_addr;
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}
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// enable non-blocking mode if not data channel connection
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uint32_t option = fcntl(_sd, F_GETFL, 0);
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if (l_sd != ftp_data.ld_sd) option |= O_NONBLOCK;
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fcntl(_sd, F_SETFL, option);
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// client connected, so go on
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return E_FTP_RESULT_OK;
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}
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//-----------------------------------------------------------
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static void ftp_send_reply (uint32_t status, char *message) {
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if (!message) {
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message = "";
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}
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snprintf((char *)ftp_cmd_buffer, 4, "%"PRIu32, status);
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strcat ((char *)ftp_cmd_buffer, " ");
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strcat ((char *)ftp_cmd_buffer, message);
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strcat ((char *)ftp_cmd_buffer, "\r\n");
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int32_t timeout = 200;
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ftp_result_t result;
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//uint32_t size = strlen((char *)ftp_cmd_buffer);
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size_t size = strlen((char *)ftp_cmd_buffer);
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ESP_LOGI(FTP_TAG, "Send reply: [%.*s]", size-2, ftp_cmd_buffer);
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vTaskDelay(1);
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while (1) {
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result = send(ftp_data.c_sd, ftp_cmd_buffer, size, 0);
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if (result == size) {
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if (status == 221) {
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closesocket(ftp_data.d_sd);
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ftp_data.d_sd = -1;
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closesocket(ftp_data.ld_sd);
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ftp_data.ld_sd = -1;
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closesocket(ftp_data.c_sd);
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ftp_data.substate = E_FTP_STE_SUB_DISCONNECTED;
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ftp_close_filesystem_on_error();
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}
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else if (status == 426 || status == 451 || status == 550) {
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closesocket(ftp_data.d_sd);
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ftp_data.d_sd = -1;
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ftp_close_filesystem_on_error();
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}
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vTaskDelay(1);
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ESP_LOGI(FTP_TAG, "Send reply: OK (%u)", size);
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break;
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}
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else {
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vTaskDelay(1);
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if ((timeout <= 0) || (errno != EAGAIN)) {
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// error
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_ftp_reset();
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ESP_LOGW(FTP_TAG, "Error sending command reply.");
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break;
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}
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}
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timeout -= portTICK_PERIOD_MS;
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}
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}
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|
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//------------------------------------------
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static void ftp_send_list(uint32_t datasize)
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{
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int32_t timeout = 200;
|
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ftp_result_t result;
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ESP_LOGI(FTP_TAG, "Send list data: (%"PRIu32")", datasize);
|
|
vTaskDelay(1);
|
|
|
|
while (1) {
|
|
result = send(ftp_data.d_sd, ftp_data.dBuffer, datasize, 0);
|
|
if (result == datasize) {
|
|
vTaskDelay(1);
|
|
ESP_LOGI(FTP_TAG, "Send OK");
|
|
break;
|
|
}
|
|
else {
|
|
vTaskDelay(1);
|
|
if ((timeout <= 0) || (errno != EAGAIN)) {
|
|
// error
|
|
_ftp_reset();
|
|
ESP_LOGW(FTP_TAG, "Error sending list data.");
|
|
break;
|
|
}
|
|
}
|
|
timeout -= portTICK_PERIOD_MS;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------
|
|
static void ftp_send_file_data(uint32_t datasize)
|
|
{
|
|
ftp_result_t result;
|
|
uint32_t timeout = 200;
|
|
|
|
ESP_LOGI(FTP_TAG, "Send file data: (%"PRIu32")", datasize);
|
|
vTaskDelay(1);
|
|
|
|
while (1) {
|
|
result = send(ftp_data.d_sd, ftp_data.dBuffer, datasize, 0);
|
|
if (result == datasize) {
|
|
vTaskDelay(1);
|
|
ESP_LOGI(FTP_TAG, "Send OK");
|
|
break;
|
|
}
|
|
else {
|
|
vTaskDelay(1);
|
|
if ((timeout <= 0) || (errno != EAGAIN)) {
|
|
// error
|
|
_ftp_reset();
|
|
ESP_LOGW(FTP_TAG, "Error sending file data.");
|
|
break;
|
|
}
|
|
}
|
|
timeout -= portTICK_PERIOD_MS;
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------------------------
|
|
static ftp_result_t ftp_recv_non_blocking (int32_t sd, void *buff, int32_t Maxlen, int32_t *rxLen)
|
|
{
|
|
if (sd < 0) return E_FTP_RESULT_FAILED;
|
|
|
|
*rxLen = recv(sd, buff, Maxlen, 0);
|
|
if (*rxLen > 0) return E_FTP_RESULT_OK;
|
|
else if (errno != EAGAIN) return E_FTP_RESULT_FAILED;
|
|
|
|
return E_FTP_RESULT_CONTINUE;
|
|
}
|
|
|
|
// ==== Directory functions =======================
|
|
|
|
//-----------------------------------
|
|
#if 0
|
|
static void ftp_fix_path(char *pwd) {
|
|
ESP_LOGI(FTP_TAG, "ftp_fix_path: pwd=[%s]", pwd);
|
|
char ph_path[128];
|
|
uint len = strlen(pwd);
|
|
|
|
if (len == 0) {
|
|
strcpy (pwd, "/");
|
|
}
|
|
else if ((len > 1) && (pwd[len-1] == '/')) pwd[len-1] = '\0';
|
|
|
|
// Convert to physical path
|
|
if (strstr(pwd, VFS_NATIVE_INTERNAL_MP) == pwd) {
|
|
ESP_LOGI(FTP_TAG, "ftp_fix_path: VFS_NATIVE_INTERNAL_MP=[%s]", VFS_NATIVE_INTERNAL_MP);
|
|
sprintf(ph_path, "%s%s", VFS_NATIVE_MOUNT_POINT, pwd+strlen(VFS_NATIVE_INTERNAL_MP));
|
|
if (strcmp(ph_path, VFS_NATIVE_MOUNT_POINT) == 0) strcat(ph_path, "/");
|
|
ESP_LOGI(FTP_TAG, "ftp_fix_path: ph_path=[%s]", ph_path);
|
|
strcpy(pwd, ph_path);
|
|
}
|
|
else if (strstr(pwd, VFS_NATIVE_EXTERNAL_MP) == pwd) {
|
|
ESP_LOGI(FTP_TAG, "ftp_fix_path: VFS_NATIVE_EXTERNAL_MP=[%s]", VFS_NATIVE_EXTERNAL_MP);
|
|
sprintf(ph_path, "%s%s", VFS_NATIVE_SDCARD_MOUNT_POINT, pwd+strlen(VFS_NATIVE_EXTERNAL_MP));
|
|
if (strcmp(ph_path, VFS_NATIVE_SDCARD_MOUNT_POINT) == 0) strcat(ph_path, "/");
|
|
ESP_LOGI(FTP_TAG, "ftp_fix_path: ph_path=[%s]", ph_path);
|
|
strcpy(pwd, ph_path);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Add directory or file name to the current path
|
|
* Initially, pwd is set to "/" (file system root)
|
|
* There are two possible entries in root:
|
|
* "flash" which can be fatfs or spiffs
|
|
* "sd" sd card
|
|
* flash and sd entries have to be translated to their VFS names
|
|
* trailing '/' is required for flash&sd root entries (translated)
|
|
*/
|
|
//-------------------------------------------------
|
|
static void ftp_open_child (char *pwd, char *dir) {
|
|
ESP_LOGI(FTP_TAG, "open_child: [%s] + [%s]", pwd, dir);
|
|
if (strlen(dir) > 0) {
|
|
if (dir[0] == '/') {
|
|
// ** absolute path
|
|
strcpy(pwd, dir);
|
|
}
|
|
else {
|
|
// ** relative path
|
|
// add trailing '/' if needed
|
|
if ((strlen(pwd) > 1) && (pwd[strlen(pwd)-1] != '/') && (dir[0] != '/')) strcat(pwd, "/");
|
|
// append directory/file name
|
|
strcat(pwd, dir);
|
|
}
|
|
#if 0
|
|
ftp_fix_path(pwd);
|
|
#endif
|
|
}
|
|
ESP_LOGI(FTP_TAG, "open_child, New pwd: %s", pwd);
|
|
}
|
|
|
|
// Return to parent directory
|
|
//---------------------------------------
|
|
static void ftp_close_child (char *pwd) {
|
|
ESP_LOGI(FTP_TAG, "close_child: %s", pwd);
|
|
uint len = strlen(pwd);
|
|
if (pwd[len-1] == '/') {
|
|
pwd[len-1] = '\0';
|
|
len--;
|
|
if ((len == 0) || (strcmp(pwd, VFS_NATIVE_MOUNT_POINT) == 0) || (strcmp(pwd, VFS_NATIVE_SDCARD_MOUNT_POINT) == 0)) {
|
|
strcpy(pwd, "/");
|
|
}
|
|
}
|
|
else {
|
|
while (len) {
|
|
if (pwd[len-1] == '/') {
|
|
pwd[len-1] = '\0';
|
|
len--;
|
|
break;
|
|
}
|
|
len--;
|
|
}
|
|
|
|
if (len == 0) {
|
|
strcpy (pwd, "/");
|
|
}
|
|
else if ((strcmp(pwd, VFS_NATIVE_MOUNT_POINT) == 0) || (strcmp(pwd, VFS_NATIVE_SDCARD_MOUNT_POINT) == 0)) {
|
|
strcat(pwd, "/");
|
|
}
|
|
}
|
|
ESP_LOGI(FTP_TAG, "close_child, New pwd: %s", pwd);
|
|
}
|
|
|
|
// Remove file name from path
|
|
//-----------------------------------------------------------
|
|
static void remove_fname_from_path (char *pwd, char *fname) {
|
|
ESP_LOGI(FTP_TAG, "remove_fname_from_path: %s - %s", pwd, fname);
|
|
if (strlen(fname) == 0) return;
|
|
char *xpwd = strstr(pwd, fname);
|
|
if (xpwd == NULL) return;
|
|
|
|
xpwd[0] = '\0';
|
|
|
|
#if 0
|
|
ftp_fix_path(pwd);
|
|
#endif
|
|
ESP_LOGI(FTP_TAG, "remove_fname_from_path: New pwd: %s", pwd);
|
|
}
|
|
|
|
// ==== Param functions =================================================
|
|
|
|
//------------------------------------------------------------------------------------------
|
|
static void ftp_pop_param(char **str, char *param, bool stop_on_space, bool stop_on_newline)
|
|
{
|
|
char lastc = '\0';
|
|
while (**str != '\0') {
|
|
if (stop_on_space && (**str == ' ')) break;
|
|
if ((**str == '\r') || (**str == '\n')) {
|
|
if (!stop_on_newline) {
|
|
(*str)++;
|
|
continue;
|
|
}
|
|
else break;
|
|
}
|
|
if ((**str == '/') && (lastc == '/')) {
|
|
(*str)++;
|
|
continue;
|
|
}
|
|
lastc = **str;
|
|
*param++ = **str;
|
|
(*str)++;
|
|
}
|
|
*param = '\0';
|
|
}
|
|
|
|
//--------------------------------------------------
|
|
static ftp_cmd_index_t ftp_pop_command(char **str) {
|
|
char _cmd[FTP_CMD_SIZE_MAX];
|
|
ftp_pop_param (str, _cmd, true, true);
|
|
stoupper (_cmd);
|
|
for (ftp_cmd_index_t i = 0; i < E_FTP_NUM_FTP_CMDS; i++) {
|
|
if (!strcmp (_cmd, ftp_cmd_table[i].cmd)) {
|
|
// move one step further to skip the space
|
|
(*str)++;
|
|
return i;
|
|
}
|
|
}
|
|
return E_FTP_CMD_NOT_SUPPORTED;
|
|
}
|
|
|
|
// Get file name from parameter and append to ftp_path
|
|
//-------------------------------------------------------
|
|
static void ftp_get_param_and_open_child(char **bufptr) {
|
|
ftp_pop_param(bufptr, ftp_scratch_buffer, false, false);
|
|
ftp_open_child(ftp_path, ftp_scratch_buffer);
|
|
ftp_data.closechild = true;
|
|
}
|
|
|
|
// ==== Ftp command processing =====
|
|
|
|
//----------------------------------
|
|
static void ftp_process_cmd (void) {
|
|
int32_t len;
|
|
char *bufptr = (char *)ftp_cmd_buffer;
|
|
ftp_result_t result;
|
|
struct stat buf;
|
|
int res;
|
|
|
|
memset(bufptr, 0, FTP_MAX_PARAM_SIZE + FTP_CMD_SIZE_MAX);
|
|
ftp_data.closechild = false;
|
|
|
|
// use the reply buffer to receive new commands
|
|
result = ftp_recv_non_blocking(ftp_data.c_sd, ftp_cmd_buffer, FTP_MAX_PARAM_SIZE + FTP_CMD_SIZE_MAX, &len);
|
|
if (result == E_FTP_RESULT_OK) {
|
|
ftp_cmd_buffer[len] = '\0';
|
|
// bufptr is moved as commands are being popped
|
|
ftp_cmd_index_t cmd = ftp_pop_command(&bufptr);
|
|
if (!ftp_data.loggin.passvalid &&
|
|
((cmd != E_FTP_CMD_USER) && (cmd != E_FTP_CMD_PASS) && (cmd != E_FTP_CMD_QUIT) && (cmd != E_FTP_CMD_FEAT) && (cmd != E_FTP_CMD_AUTH))) {
|
|
ftp_send_reply(332, NULL);
|
|
return;
|
|
}
|
|
if ((cmd >= 0) && (cmd < E_FTP_NUM_FTP_CMDS)) {
|
|
ESP_LOGI(FTP_TAG, "CMD: %s", ftp_cmd_table[cmd].cmd);
|
|
}
|
|
else {
|
|
ESP_LOGI(FTP_TAG, "CMD: %d", cmd);
|
|
}
|
|
char fullname[128];
|
|
char fullname2[128];
|
|
strcpy(fullname, MOUNT_POINT);
|
|
strcpy(fullname2, MOUNT_POINT);
|
|
|
|
switch (cmd) {
|
|
case E_FTP_CMD_FEAT:
|
|
ftp_send_reply(502, "no-features");
|
|
break;
|
|
case E_FTP_CMD_AUTH:
|
|
ftp_send_reply(504, "not-supported");
|
|
break;
|
|
case E_FTP_CMD_SYST:
|
|
ftp_send_reply(215, "UNIX Type: L8");
|
|
break;
|
|
case E_FTP_CMD_CDUP:
|
|
ftp_close_child(ftp_path);
|
|
ftp_send_reply(250, NULL);
|
|
break;
|
|
case E_FTP_CMD_CWD:
|
|
ftp_pop_param (&bufptr, ftp_scratch_buffer, false, false);
|
|
|
|
if (strlen(ftp_scratch_buffer) > 0) {
|
|
if ((ftp_scratch_buffer[0] == '.') && (ftp_scratch_buffer[1] == '\0')) {
|
|
ftp_data.dp = NULL;
|
|
ftp_send_reply(250, NULL);
|
|
break;
|
|
}
|
|
if ((ftp_scratch_buffer[0] == '.') && (ftp_scratch_buffer[1] == '.') && (ftp_scratch_buffer[2] == '\0')) {
|
|
ftp_close_child (ftp_path);
|
|
ftp_send_reply(250, NULL);
|
|
break;
|
|
}
|
|
else ftp_open_child (ftp_path, ftp_scratch_buffer);
|
|
}
|
|
|
|
if ((ftp_path[0] == '/') && (ftp_path[1] == '\0')) {
|
|
ftp_data.dp = NULL;
|
|
ftp_send_reply(250, NULL);
|
|
}
|
|
else {
|
|
strcat(fullname, ftp_path);
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_CWD fullname=[%s]", fullname);
|
|
//ftp_data.dp = opendir(ftp_path);
|
|
ftp_data.dp = opendir(fullname);
|
|
if (ftp_data.dp != NULL) {
|
|
closedir(ftp_data.dp);
|
|
ftp_data.dp = NULL;
|
|
ftp_send_reply(250, NULL);
|
|
}
|
|
else {
|
|
ftp_close_child (ftp_path);
|
|
ftp_send_reply(550, NULL);
|
|
}
|
|
}
|
|
break;
|
|
case E_FTP_CMD_PWD:
|
|
case E_FTP_CMD_XPWD:
|
|
{
|
|
char lpath[128];
|
|
#if 0
|
|
if (strstr(ftp_path, VFS_NATIVE_MOUNT_POINT) == ftp_path) {
|
|
sprintf(lpath, "%s%s", VFS_NATIVE_INTERNAL_MP, ftp_path+strlen(VFS_NATIVE_MOUNT_POINT));
|
|
}
|
|
else if (strstr(ftp_path, VFS_NATIVE_SDCARD_MOUNT_POINT) == ftp_path) {
|
|
sprintf(lpath, "%s%s", VFS_NATIVE_EXTERNAL_MP, ftp_path+strlen(VFS_NATIVE_SDCARD_MOUNT_POINT));
|
|
}
|
|
else strcpy(lpath,ftp_path);
|
|
#endif
|
|
strcpy(lpath,ftp_path);
|
|
|
|
ftp_send_reply(257, lpath);
|
|
}
|
|
break;
|
|
case E_FTP_CMD_SIZE:
|
|
{
|
|
ftp_get_param_and_open_child (&bufptr);
|
|
strcat(fullname, ftp_path);
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_SIZE fullname=[%s]", fullname);
|
|
//int res = stat(ftp_path, &buf);
|
|
int res = stat(fullname, &buf);
|
|
if (res == 0) {
|
|
// send the file size
|
|
snprintf((char *)ftp_data.dBuffer, ftp_buff_size, "%"PRIu32, (uint32_t)buf.st_size);
|
|
ftp_send_reply(213, (char *)ftp_data.dBuffer);
|
|
} else {
|
|
ftp_send_reply(550, NULL);
|
|
}
|
|
}
|
|
break;
|
|
case E_FTP_CMD_MDTM:
|
|
ftp_get_param_and_open_child (&bufptr);
|
|
strcat(fullname, ftp_path);
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_MDTM fullname=[%s]", fullname);
|
|
//res = stat(ftp_path, &buf);
|
|
res = stat(fullname, &buf);
|
|
if (res == 0) {
|
|
// send the file modification time
|
|
//snprintf((char *)ftp_data.dBuffer, ftp_buff_size, "%u", (uint32_t)buf.st_mtime);
|
|
//snprintf((char *)ftp_data.dBuffer, ftp_buff_size, "20210212010203");
|
|
//time_t time = buf.st_mtime + (CONFIG_LOCAL_TIMEZONE*60*60);
|
|
time_t time = buf.st_mtime;
|
|
struct tm *ptm = localtime(&time);
|
|
//char buf[128];
|
|
//strftime(buf, sizeof(buf), "%Y%m%d%H%M%S", ptm);
|
|
strftime((char *)ftp_data.dBuffer, ftp_buff_size, "%Y%m%d%H%M%S", ptm);
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_MDTM ftp_data.dBuffer=[%s]", ftp_data.dBuffer);
|
|
ftp_send_reply(213, (char *)ftp_data.dBuffer);
|
|
} else {
|
|
ftp_send_reply(550, NULL);
|
|
}
|
|
break;
|
|
case E_FTP_CMD_TYPE:
|
|
ftp_send_reply(200, NULL);
|
|
break;
|
|
case E_FTP_CMD_USER:
|
|
ftp_pop_param (&bufptr, ftp_scratch_buffer, true, true);
|
|
if (!memcmp(ftp_scratch_buffer, ftp_user, MAX(strlen(ftp_scratch_buffer), strlen(ftp_user)))) {
|
|
ftp_data.loggin.uservalid = true && (strlen(ftp_user) == strlen(ftp_scratch_buffer));
|
|
}
|
|
ftp_send_reply(331, NULL);
|
|
break;
|
|
case E_FTP_CMD_PASS:
|
|
ftp_pop_param (&bufptr, ftp_scratch_buffer, true, true);
|
|
if (!memcmp(ftp_scratch_buffer, ftp_pass, MAX(strlen(ftp_scratch_buffer), strlen(ftp_pass))) &&
|
|
ftp_data.loggin.uservalid) {
|
|
ftp_data.loggin.passvalid = true && (strlen(ftp_pass) == strlen(ftp_scratch_buffer));
|
|
if (ftp_data.loggin.passvalid) {
|
|
ftp_send_reply(230, NULL);
|
|
ESP_LOGW(FTP_TAG, "Connected.");
|
|
break;
|
|
}
|
|
}
|
|
ftp_send_reply(530, NULL);
|
|
break;
|
|
case E_FTP_CMD_PASV:
|
|
{
|
|
// some servers (e.g. google chrome) send PASV several times very quickly
|
|
closesocket(ftp_data.d_sd);
|
|
ftp_data.d_sd = -1;
|
|
ftp_data.substate = E_FTP_STE_SUB_DISCONNECTED;
|
|
bool socketcreated = true;
|
|
if (ftp_data.ld_sd < 0) {
|
|
socketcreated = ftp_create_listening_socket(&ftp_data.ld_sd, FTP_PASIVE_DATA_PORT, FTP_DATA_CLIENTS_MAX - 1);
|
|
}
|
|
if (socketcreated) {
|
|
uint8_t *pip = (uint8_t *)&ftp_data.ip_addr;
|
|
ftp_data.dtimeout = 0;
|
|
snprintf((char *)ftp_data.dBuffer, ftp_buff_size, "(%u,%u,%u,%u,%u,%u)",
|
|
pip[0], pip[1], pip[2], pip[3], (FTP_PASIVE_DATA_PORT >> 8), (FTP_PASIVE_DATA_PORT & 0xFF));
|
|
ftp_data.substate = E_FTP_STE_SUB_LISTEN_FOR_DATA;
|
|
ESP_LOGI(FTP_TAG, "Data socket created");
|
|
ftp_send_reply(227, (char *)ftp_data.dBuffer);
|
|
}
|
|
else {
|
|
ESP_LOGW(FTP_TAG, "Error creating data socket");
|
|
ftp_send_reply(425, NULL);
|
|
}
|
|
}
|
|
break;
|
|
case E_FTP_CMD_LIST:
|
|
case E_FTP_CMD_NLST:
|
|
ftp_get_param_and_open_child(&bufptr);
|
|
if (cmd == E_FTP_CMD_LIST) ftp_nlist = 0;
|
|
else ftp_nlist = 1;
|
|
if (ftp_open_dir_for_listing(ftp_path) == E_FTP_RESULT_CONTINUE) {
|
|
ftp_data.state = E_FTP_STE_CONTINUE_LISTING;
|
|
ftp_send_reply(150, NULL);
|
|
}
|
|
else ftp_send_reply(550, NULL);
|
|
break;
|
|
case E_FTP_CMD_RETR:
|
|
ftp_data.total = 0;
|
|
ftp_data.time = 0;
|
|
ftp_get_param_and_open_child(&bufptr);
|
|
if ((strlen(ftp_path) > 0) && (ftp_path[strlen(ftp_path)-1] != '/')) {
|
|
if (ftp_open_file(ftp_path, "rb")) {
|
|
ftp_data.state = E_FTP_STE_CONTINUE_FILE_TX;
|
|
vTaskDelay(20 / portTICK_PERIOD_MS);
|
|
ftp_send_reply(150, NULL);
|
|
}
|
|
else {
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
ftp_send_reply(550, NULL);
|
|
}
|
|
}
|
|
else {
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
ftp_send_reply(550, NULL);
|
|
}
|
|
break;
|
|
case E_FTP_CMD_APPE:
|
|
ftp_data.total = 0;
|
|
ftp_data.time = 0;
|
|
ftp_get_param_and_open_child(&bufptr);
|
|
if ((strlen(ftp_path) > 0) && (ftp_path[strlen(ftp_path)-1] != '/')) {
|
|
if (ftp_open_file(ftp_path, "ab")) {
|
|
ftp_data.state = E_FTP_STE_CONTINUE_FILE_RX;
|
|
vTaskDelay(20 / portTICK_PERIOD_MS);
|
|
ftp_send_reply(150, NULL);
|
|
}
|
|
else {
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
ftp_send_reply(550, NULL);
|
|
}
|
|
}
|
|
else {
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
ftp_send_reply(550, NULL);
|
|
}
|
|
break;
|
|
case E_FTP_CMD_STOR:
|
|
ftp_data.total = 0;
|
|
ftp_data.time = 0;
|
|
ftp_get_param_and_open_child(&bufptr);
|
|
if ((strlen(ftp_path) > 0) && (ftp_path[strlen(ftp_path)-1] != '/')) {
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_STOR ftp_path=[%s]", ftp_path);
|
|
if (ftp_open_file(ftp_path, "wb")) {
|
|
ftp_data.state = E_FTP_STE_CONTINUE_FILE_RX;
|
|
vTaskDelay(20 / portTICK_PERIOD_MS);
|
|
ftp_send_reply(150, NULL);
|
|
}
|
|
else {
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
ftp_send_reply(550, NULL);
|
|
}
|
|
}
|
|
else {
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
ftp_send_reply(550, NULL);
|
|
}
|
|
break;
|
|
case E_FTP_CMD_DELE:
|
|
ftp_get_param_and_open_child(&bufptr);
|
|
if ((strlen(ftp_path) > 0) && (ftp_path[strlen(ftp_path)-1] != '/')) {
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_DELE ftp_path=[%s]", ftp_path);
|
|
|
|
strcat(fullname, ftp_path);
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_DELE fullname=[%s]", fullname);
|
|
|
|
//if (unlink(ftp_path) == 0) {
|
|
if (unlink(fullname) == 0) {
|
|
vTaskDelay(20 / portTICK_PERIOD_MS);
|
|
ftp_send_reply(250, NULL);
|
|
}
|
|
else ftp_send_reply(550, NULL);
|
|
}
|
|
else ftp_send_reply(250, NULL);
|
|
break;
|
|
case E_FTP_CMD_RMD:
|
|
ftp_get_param_and_open_child(&bufptr);
|
|
if ((strlen(ftp_path) > 0) && (ftp_path[strlen(ftp_path)-1] != '/')) {
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_RMD ftp_path=[%s]", ftp_path);
|
|
|
|
strcat(fullname, ftp_path);
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_MKD fullname=[%s]", fullname);
|
|
|
|
//if (rmdir(ftp_path) == 0) {
|
|
if (rmdir(fullname) == 0) {
|
|
vTaskDelay(20 / portTICK_PERIOD_MS);
|
|
ftp_send_reply(250, NULL);
|
|
}
|
|
else ftp_send_reply(550, NULL);
|
|
}
|
|
else ftp_send_reply(250, NULL);
|
|
break;
|
|
case E_FTP_CMD_MKD:
|
|
ftp_get_param_and_open_child(&bufptr);
|
|
if ((strlen(ftp_path) > 0) && (ftp_path[strlen(ftp_path)-1] != '/')) {
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_MKD ftp_path=[%s]", ftp_path);
|
|
|
|
strcat(fullname, ftp_path);
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_MKD fullname=[%s]", fullname);
|
|
|
|
//if (mkdir(ftp_path, 0755) == 0) {
|
|
if (mkdir(fullname, 0755) == 0) {
|
|
vTaskDelay(20 / portTICK_PERIOD_MS);
|
|
ftp_send_reply(250, NULL);
|
|
}
|
|
else ftp_send_reply(550, NULL);
|
|
}
|
|
else ftp_send_reply(250, NULL);
|
|
break;
|
|
case E_FTP_CMD_RNFR:
|
|
ftp_get_param_and_open_child(&bufptr);
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_RNFR ftp_path=[%s]", ftp_path);
|
|
|
|
strcat(fullname, ftp_path);
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_MKD fullname=[%s]", fullname);
|
|
|
|
//res = stat(ftp_path, &buf);
|
|
res = stat(fullname, &buf);
|
|
if (res == 0) {
|
|
ftp_send_reply(350, NULL);
|
|
// save the path of the file to rename
|
|
strcpy((char *)ftp_data.dBuffer, ftp_path);
|
|
} else {
|
|
ftp_send_reply(550, NULL);
|
|
}
|
|
break;
|
|
case E_FTP_CMD_RNTO:
|
|
ftp_get_param_and_open_child(&bufptr);
|
|
// the path of the file to rename was saved in the data buffer
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_RNTO ftp_path=[%s], ftp_data.dBuffer=[%s]", ftp_path, (char *)ftp_data.dBuffer);
|
|
strcat(fullname, (char *)ftp_data.dBuffer);
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_RNTO fullname=[%s]", fullname);
|
|
strcat(fullname2, ftp_path);
|
|
ESP_LOGI(FTP_TAG, "E_FTP_CMD_RNTO fullname2=[%s]", fullname2);
|
|
|
|
//if (rename((char *)ftp_data.dBuffer, ftp_path) == 0) {
|
|
if (rename(fullname, fullname2) == 0) {
|
|
ftp_send_reply(250, NULL);
|
|
} else {
|
|
ftp_send_reply(550, NULL);
|
|
}
|
|
break;
|
|
case E_FTP_CMD_NOOP:
|
|
ftp_send_reply(200, NULL);
|
|
break;
|
|
case E_FTP_CMD_QUIT:
|
|
ftp_send_reply(221, NULL);
|
|
break;
|
|
default:
|
|
// command not implemented
|
|
ftp_send_reply(502, NULL);
|
|
break;
|
|
}
|
|
|
|
if (ftp_data.closechild) {
|
|
remove_fname_from_path(ftp_path, ftp_scratch_buffer);
|
|
}
|
|
}
|
|
else if (result == E_FTP_RESULT_CONTINUE) {
|
|
if (ftp_data.ctimeout > ftp_timeout) {
|
|
ftp_send_reply(221, NULL);
|
|
ESP_LOGW(FTP_TAG, "Connection timeout");
|
|
}
|
|
}
|
|
else {
|
|
ftp_close_cmd_data();
|
|
}
|
|
}
|
|
|
|
//---------------------------------------
|
|
static void ftp_wait_for_enabled (void) {
|
|
// Check if the telnet service has been enabled
|
|
if (ftp_data.enabled) {
|
|
ftp_data.state = E_FTP_STE_START;
|
|
}
|
|
}
|
|
|
|
// ==== PUBLIC FUNCTIONS ===================================================================
|
|
|
|
//---------------------
|
|
void ftp_deinit(void) {
|
|
if (ftp_path) free(ftp_path);
|
|
if (ftp_cmd_buffer) free(ftp_cmd_buffer);
|
|
if (ftp_data.dBuffer) free(ftp_data.dBuffer);
|
|
if (ftp_scratch_buffer) free(ftp_scratch_buffer);
|
|
ftp_path = NULL;
|
|
ftp_cmd_buffer = NULL;
|
|
ftp_data.dBuffer = NULL;
|
|
ftp_scratch_buffer = NULL;
|
|
|
|
memset(&ftp_data, 0, sizeof(ftp_data));
|
|
ftp_data.c_sd = -1;
|
|
ftp_data.d_sd = -1;
|
|
ftp_data.ld_sd = -1;
|
|
}
|
|
|
|
//-------------------
|
|
bool ftp_init(void) {
|
|
ftp_stop = 0;
|
|
// Allocate memory for the data buffer, and the file system structures (from the RTOS heap)
|
|
ftp_deinit();
|
|
|
|
memset(&ftp_data, 0, sizeof(ftp_data_t));
|
|
ftp_data.dBuffer = malloc(ftp_buff_size+1);
|
|
if (ftp_data.dBuffer == NULL) return false;
|
|
ftp_path = malloc(FTP_MAX_PARAM_SIZE);
|
|
if (ftp_path == NULL) {
|
|
free(ftp_data.dBuffer);
|
|
return false;
|
|
}
|
|
ftp_scratch_buffer = malloc(FTP_MAX_PARAM_SIZE);
|
|
if (ftp_scratch_buffer == NULL) {
|
|
free(ftp_path);
|
|
free(ftp_data.dBuffer);
|
|
return false;
|
|
}
|
|
ftp_cmd_buffer = malloc(FTP_MAX_PARAM_SIZE + FTP_CMD_SIZE_MAX);
|
|
if (ftp_cmd_buffer == NULL) {
|
|
free(ftp_scratch_buffer);
|
|
free(ftp_path);
|
|
free(ftp_data.dBuffer);
|
|
return false;
|
|
}
|
|
|
|
//SOCKETFIFO_Init((void *)ftp_fifoelements, FTP_SOCKETFIFO_ELEMENTS_MAX);
|
|
|
|
ftp_data.c_sd = -1;
|
|
ftp_data.d_sd = -1;
|
|
ftp_data.lc_sd = -1;
|
|
ftp_data.ld_sd = -1;
|
|
ftp_data.e_open = E_FTP_NOTHING_OPEN;
|
|
ftp_data.state = E_FTP_STE_DISABLED;
|
|
ftp_data.substate = E_FTP_STE_SUB_DISCONNECTED;
|
|
|
|
//if (ftp_mutex == NULL) ftp_mutex = xSemaphoreCreateMutex();
|
|
return true;
|
|
}
|
|
|
|
//============================
|
|
int ftp_run (uint32_t elapsed)
|
|
{
|
|
//if (xSemaphoreTake(ftp_mutex, FTP_MUTEX_TIMEOUT_MS / portTICK_PERIOD_MS) !=pdTRUE) return -1;
|
|
if (ftp_stop) return -2;
|
|
|
|
ftp_data.dtimeout += elapsed;
|
|
ftp_data.ctimeout += elapsed;
|
|
ftp_data.time += elapsed;
|
|
|
|
switch (ftp_data.state) {
|
|
case E_FTP_STE_DISABLED:
|
|
ftp_wait_for_enabled();
|
|
break;
|
|
case E_FTP_STE_START:
|
|
if (ftp_create_listening_socket(&ftp_data.lc_sd, FTP_CMD_PORT, FTP_CMD_CLIENTS_MAX - 1)) {
|
|
ftp_data.state = E_FTP_STE_READY;
|
|
}
|
|
break;
|
|
case E_FTP_STE_READY:
|
|
if (ftp_data.c_sd < 0 && ftp_data.substate == E_FTP_STE_SUB_DISCONNECTED) {
|
|
if (E_FTP_RESULT_OK == ftp_wait_for_connection(ftp_data.lc_sd, &ftp_data.c_sd, &ftp_data.ip_addr)) {
|
|
ftp_data.txRetries = 0;
|
|
ftp_data.logginRetries = 0;
|
|
ftp_data.ctimeout = 0;
|
|
ftp_data.loggin.uservalid = false;
|
|
ftp_data.loggin.passvalid = false;
|
|
strcpy (ftp_path, "/");
|
|
ESP_LOGI(FTP_TAG, "Connected.");
|
|
//ftp_send_reply (220, "Micropython FTP Server");
|
|
ftp_send_reply (220, "ESP32 FTP Server");
|
|
break;
|
|
}
|
|
}
|
|
if (ftp_data.c_sd > 0 && ftp_data.substate != E_FTP_STE_SUB_LISTEN_FOR_DATA) {
|
|
ftp_process_cmd();
|
|
if (ftp_data.state != E_FTP_STE_READY) {
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case E_FTP_STE_END_TRANSFER:
|
|
if (ftp_data.d_sd >= 0) {
|
|
closesocket(ftp_data.d_sd);
|
|
ftp_data.d_sd = -1;
|
|
}
|
|
break;
|
|
case E_FTP_STE_CONTINUE_LISTING:
|
|
// go on with listing
|
|
{
|
|
uint32_t listsize = 0;
|
|
ftp_result_t list_res = ftp_list_dir((char *)ftp_data.dBuffer, ftp_buff_size, &listsize);
|
|
if (listsize > 0) ftp_send_list(listsize);
|
|
if (list_res == E_FTP_RESULT_OK) {
|
|
ftp_send_reply(226, NULL);
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
}
|
|
ftp_data.ctimeout = 0;
|
|
}
|
|
break;
|
|
case E_FTP_STE_CONTINUE_FILE_TX:
|
|
// read and send the next block from the file
|
|
{
|
|
uint32_t readsize;
|
|
ftp_result_t result;
|
|
ftp_data.ctimeout = 0;
|
|
result = ftp_read_file ((char *)ftp_data.dBuffer, ftp_buff_size, &readsize);
|
|
if (result == E_FTP_RESULT_FAILED) {
|
|
ftp_send_reply(451, NULL);
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
}
|
|
else {
|
|
if (readsize > 0) {
|
|
ftp_send_file_data(readsize);
|
|
ftp_data.total += readsize;
|
|
ESP_LOGI(FTP_TAG, "Sent %"PRIu32", total: %"PRIu32, readsize, ftp_data.total);
|
|
}
|
|
if (result == E_FTP_RESULT_OK) {
|
|
ftp_send_reply(226, NULL);
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
ESP_LOGI(FTP_TAG, "File sent (%"PRIu32" bytes in %"PRIu32" msec).", ftp_data.total, ftp_data.time);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case E_FTP_STE_CONTINUE_FILE_RX:
|
|
{
|
|
int32_t len;
|
|
ftp_result_t result = E_FTP_RESULT_OK;
|
|
|
|
ESP_LOGI(FTP_TAG, "ftp_buff_size=%d", ftp_buff_size);
|
|
result = ftp_recv_non_blocking(ftp_data.d_sd, ftp_data.dBuffer, ftp_buff_size, &len);
|
|
if (result == E_FTP_RESULT_OK) {
|
|
// block of data received
|
|
ftp_data.dtimeout = 0;
|
|
ftp_data.ctimeout = 0;
|
|
// save received data to file
|
|
if (E_FTP_RESULT_OK != ftp_write_file ((char *)ftp_data.dBuffer, len)) {
|
|
ftp_send_reply(451, NULL);
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
ESP_LOGW(FTP_TAG, "Error writing to file");
|
|
}
|
|
else {
|
|
ftp_data.total += len;
|
|
ESP_LOGI(FTP_TAG, "Received %"PRIu32", total: %"PRIu32, len, ftp_data.total);
|
|
}
|
|
}
|
|
else if (result == E_FTP_RESULT_CONTINUE) {
|
|
// nothing received
|
|
if (ftp_data.dtimeout > FTP_DATA_TIMEOUT_MS) {
|
|
ftp_close_files_dir();
|
|
ftp_send_reply(426, NULL);
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
ESP_LOGW(FTP_TAG, "Receiving to file timeout");
|
|
}
|
|
}
|
|
else {
|
|
// File received (E_FTP_RESULT_FAILED)
|
|
ftp_close_files_dir();
|
|
ftp_send_reply(226, NULL);
|
|
ftp_data.state = E_FTP_STE_END_TRANSFER;
|
|
ESP_LOGI(FTP_TAG, "File received (%"PRIu32" bytes in %"PRIu32" msec).", ftp_data.total, ftp_data.time);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch (ftp_data.substate) {
|
|
case E_FTP_STE_SUB_DISCONNECTED:
|
|
break;
|
|
case E_FTP_STE_SUB_LISTEN_FOR_DATA:
|
|
if (E_FTP_RESULT_OK == ftp_wait_for_connection(ftp_data.ld_sd, &ftp_data.d_sd, NULL)) {
|
|
ftp_data.dtimeout = 0;
|
|
ftp_data.substate = E_FTP_STE_SUB_DATA_CONNECTED;
|
|
ESP_LOGI(FTP_TAG, "Data socket connected");
|
|
}
|
|
else if (ftp_data.dtimeout > FTP_DATA_TIMEOUT_MS) {
|
|
ESP_LOGW(FTP_TAG, "Waiting for data connection timeout (%"PRIi32")", ftp_data.dtimeout);
|
|
ftp_data.dtimeout = 0;
|
|
// close the listening socket
|
|
closesocket(ftp_data.ld_sd);
|
|
ftp_data.ld_sd = -1;
|
|
ftp_data.substate = E_FTP_STE_SUB_DISCONNECTED;
|
|
}
|
|
break;
|
|
case E_FTP_STE_SUB_DATA_CONNECTED:
|
|
if (ftp_data.state == E_FTP_STE_READY && (ftp_data.dtimeout > FTP_DATA_TIMEOUT_MS)) {
|
|
// close the listening and the data socket
|
|
closesocket(ftp_data.ld_sd);
|
|
closesocket(ftp_data.d_sd);
|
|
ftp_data.ld_sd = -1;
|
|
ftp_data.d_sd = -1;
|
|
ftp_close_filesystem_on_error ();
|
|
ftp_data.substate = E_FTP_STE_SUB_DISCONNECTED;
|
|
ESP_LOGW(FTP_TAG, "Data connection timeout");
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// check the state of the data sockets
|
|
if (ftp_data.d_sd < 0 && (ftp_data.state > E_FTP_STE_READY)) {
|
|
ftp_data.substate = E_FTP_STE_SUB_DISCONNECTED;
|
|
ftp_data.state = E_FTP_STE_READY;
|
|
ESP_LOGI(FTP_TAG, "Data socket disconnected");
|
|
}
|
|
|
|
//xSemaphoreGive(ftp_mutex);
|
|
return 0;
|
|
}
|
|
|
|
//----------------------
|
|
bool ftp_enable (void) {
|
|
bool res = false;
|
|
if (ftp_data.state == E_FTP_STE_DISABLED) {
|
|
ftp_data.enabled = true;
|
|
res = true;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
//-------------------------
|
|
bool ftp_isenabled (void) {
|
|
bool res = (ftp_data.enabled == true);
|
|
return res;
|
|
}
|
|
|
|
//-----------------------
|
|
bool ftp_disable (void) {
|
|
bool res = false;
|
|
if (ftp_data.state == E_FTP_STE_READY) {
|
|
_ftp_reset();
|
|
ftp_data.enabled = false;
|
|
ftp_data.state = E_FTP_STE_DISABLED;
|
|
res = true;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
//---------------------
|
|
bool ftp_reset (void) {
|
|
_ftp_reset();
|
|
return true;
|
|
}
|
|
|
|
// Return current ftp server state
|
|
//------------------
|
|
int ftp_getstate() {
|
|
int fstate = ftp_data.state | (ftp_data.substate << 8);
|
|
if ((ftp_data.state == E_FTP_STE_READY) && (ftp_data.c_sd > 0)) fstate = E_FTP_STE_CONNECTED;
|
|
return fstate;
|
|
}
|
|
|
|
//-------------------------
|
|
bool ftp_terminate (void) {
|
|
bool res = false;
|
|
if (ftp_data.state == E_FTP_STE_READY) {
|
|
ftp_stop = 1;
|
|
_ftp_reset();
|
|
res = true;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
//-------------------------
|
|
bool ftp_stop_requested() {
|
|
bool res = (ftp_stop == 1);
|
|
return res;
|
|
}
|
|
|
|
#if 0
|
|
//-------------------------------
|
|
int32_t ftp_get_maxstack (void) {
|
|
int32_t maxstack = ftp_stack_size - uxTaskGetStackHighWaterMark(NULL);
|
|
return maxstack;
|
|
}
|
|
#endif
|
|
|
|
//-------------------------------
|
|
void ftp_task (void *pvParameters)
|
|
{
|
|
ESP_LOGI(FTP_TAG, "ftp_task start");
|
|
ftp_deinit();
|
|
esp_log_level_set(FTP_TAG, ESP_LOG_DEBUG);
|
|
strcpy(ftp_user, "anonymous");
|
|
strcpy(ftp_pass, "");
|
|
ESP_LOGI(FTP_TAG, "ftp_user:[%s] ftp_pass:[%s]", ftp_user, ftp_pass);
|
|
|
|
uint64_t elapsed, time_ms = mp_hal_ticks_ms();
|
|
// Initialize ftp, create rx buffer and mutex
|
|
if (!ftp_init()) {
|
|
ESP_LOGE("[Ftp]", "Init Error");
|
|
xEventGroupSetBits(xEventTask, FTP_TASK_FINISH_BIT);
|
|
vTaskDelete(NULL);
|
|
}
|
|
|
|
// We have network connection, enable ftp
|
|
ftp_enable();
|
|
|
|
time_ms = mp_hal_ticks_ms();
|
|
while (1) {
|
|
// Calculate time between two ftp_run() calls
|
|
elapsed = mp_hal_ticks_ms() - time_ms;
|
|
time_ms = mp_hal_ticks_ms();
|
|
|
|
int res = ftp_run(elapsed);
|
|
if (res < 0) {
|
|
if (res == -1) {
|
|
ESP_LOGE("[Ftp]", "\nRun Error");
|
|
}
|
|
// -2 is returned if Ftp stop was requested by user
|
|
break;
|
|
}
|
|
|
|
vTaskDelay(1);
|
|
|
|
} // end while
|
|
|
|
ESP_LOGW("[Ftp]", "\nTask terminated!");
|
|
ftp_deinit();
|
|
xEventGroupSetBits(xEventTask, FTP_TASK_FINISH_BIT);
|
|
vTaskDelete(NULL);
|
|
}
|