mirror of
https://github.com/espressif/esp-idf.git
synced 2025-10-31 04:59:55 +00:00
220 lines
7.2 KiB
C
220 lines
7.2 KiB
C
/* Sniffer example.
|
|
This example code is in the Public Domain (or CC0 licensed, at your option.)
|
|
|
|
Unless required by applicable law or agreed to in writing, this
|
|
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
|
CONDITIONS OF ANY KIND, either express or implied.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include "sdkconfig.h"
|
|
#include "linenoise/linenoise.h"
|
|
#include "argtable3/argtable3.h"
|
|
#include "esp_netif.h"
|
|
#include "esp_console.h"
|
|
#include "esp_event.h"
|
|
#include "esp_vfs_fat.h"
|
|
#include "esp_wifi.h"
|
|
#include "esp_err.h"
|
|
#include "esp_log.h"
|
|
#if CONFIG_SNIFFER_PCAP_DESTINATION_SD
|
|
#include "driver/sdmmc_host.h"
|
|
#include "driver/sdspi_host.h"
|
|
#endif
|
|
#include "nvs_flash.h"
|
|
#include "sdmmc_cmd.h"
|
|
#include "cmd_system.h"
|
|
#include "cmd_sniffer.h"
|
|
|
|
#if CONFIG_SNIFFER_STORE_HISTORY
|
|
#define HISTORY_MOUNT_POINT "/data"
|
|
#define HISTORY_FILE_PATH HISTORY_MOUNT_POINT "/history.txt"
|
|
#endif
|
|
|
|
static const char *TAG = "example";
|
|
|
|
#if CONFIG_SNIFFER_STORE_HISTORY
|
|
/* Initialize filesystem for command history store */
|
|
static void initialize_filesystem(void)
|
|
{
|
|
static wl_handle_t wl_handle;
|
|
const esp_vfs_fat_mount_config_t mount_config = {
|
|
.max_files = 4,
|
|
.format_if_mount_failed = true
|
|
};
|
|
esp_err_t err = esp_vfs_fat_spiflash_mount(HISTORY_MOUNT_POINT, "storage", &mount_config, &wl_handle);
|
|
if (err != ESP_OK) {
|
|
ESP_LOGE(TAG, "Failed to mount FATFS (%s)", esp_err_to_name(err));
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void initialize_nvs(void)
|
|
{
|
|
esp_err_t err = nvs_flash_init();
|
|
if (err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
|
|
ESP_ERROR_CHECK(nvs_flash_erase());
|
|
err = nvs_flash_init();
|
|
}
|
|
ESP_ERROR_CHECK(err);
|
|
}
|
|
|
|
/* Initialize wifi with tcp/ip adapter */
|
|
static void initialize_wifi(void)
|
|
{
|
|
ESP_ERROR_CHECK(esp_netif_init());
|
|
ESP_ERROR_CHECK(esp_event_loop_create_default());
|
|
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
|
|
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
|
|
ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_RAM));
|
|
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_NULL));
|
|
}
|
|
|
|
#if CONFIG_SNIFFER_PCAP_DESTINATION_SD
|
|
static struct {
|
|
struct arg_str *device;
|
|
struct arg_end *end;
|
|
} mount_args;
|
|
|
|
/** 'mount' command */
|
|
static int mount(int argc, char **argv)
|
|
{
|
|
int nerrors = arg_parse(argc, argv, (void **)&mount_args);
|
|
if (nerrors != 0) {
|
|
arg_print_errors(stderr, mount_args.end, argv[0]);
|
|
return 1;
|
|
}
|
|
/* mount sd card */
|
|
if (!strncmp(mount_args.device->sval[0], "sd", 2)) {
|
|
ESP_LOGI(TAG, "Initializing SD card");
|
|
ESP_LOGI(TAG, "Using SDMMC peripheral");
|
|
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
|
|
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
|
|
|
|
gpio_set_pull_mode(15, GPIO_PULLUP_ONLY); // CMD, needed in 4- and 1-line modes
|
|
gpio_set_pull_mode(2, GPIO_PULLUP_ONLY); // D0, needed in 4- and 1-line modes
|
|
gpio_set_pull_mode(4, GPIO_PULLUP_ONLY); // D1, needed in 4-line mode only
|
|
gpio_set_pull_mode(12, GPIO_PULLUP_ONLY); // D2, needed in 4-line mode only
|
|
gpio_set_pull_mode(13, GPIO_PULLUP_ONLY); // D3, needed in 4- and 1-line modes
|
|
|
|
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
|
|
.format_if_mount_failed = true,
|
|
.max_files = 4,
|
|
.allocation_unit_size = 16 * 1024
|
|
};
|
|
|
|
// initialize SD card and mount FAT filesystem.
|
|
sdmmc_card_t *card;
|
|
esp_err_t ret = esp_vfs_fat_sdmmc_mount(CONFIG_SNIFFER_MOUNT_POINT, &host, &slot_config, &mount_config, &card);
|
|
if (ret != ESP_OK) {
|
|
if (ret == ESP_FAIL) {
|
|
ESP_LOGE(TAG, "Failed to mount filesystem. "
|
|
"If you want the card to be formatted, set format_if_mount_failed = true.");
|
|
} else {
|
|
ESP_LOGE(TAG, "Failed to initialize the card (%s). "
|
|
"Make sure SD card lines have pull-up resistors in place.",
|
|
esp_err_to_name(ret));
|
|
}
|
|
return 1;
|
|
}
|
|
/* print card info if mount successfully */
|
|
sdmmc_card_print_info(stdout, card);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void register_mount(void)
|
|
{
|
|
mount_args.device = arg_str1(NULL, NULL, "<sd>", "choose a proper device to mount/unmount");
|
|
mount_args.end = arg_end(1);
|
|
const esp_console_cmd_t cmd = {
|
|
.command = "mount",
|
|
.help = "mount the filesystem",
|
|
.hint = NULL,
|
|
.func = &mount,
|
|
.argtable = &mount_args
|
|
};
|
|
ESP_ERROR_CHECK(esp_console_cmd_register(&cmd));
|
|
}
|
|
|
|
static int unmount(int argc, char **argv)
|
|
{
|
|
int nerrors = arg_parse(argc, argv, (void **)&mount_args);
|
|
if (nerrors != 0) {
|
|
arg_print_errors(stderr, mount_args.end, argv[0]);
|
|
return 1;
|
|
}
|
|
/* unmount sd card */
|
|
if (!strncmp(mount_args.device->sval[0], "sd", 2)) {
|
|
if (esp_vfs_fat_sdmmc_unmount() != ESP_OK) {
|
|
ESP_LOGE(TAG, "Card unmount failed");
|
|
return -1;
|
|
}
|
|
ESP_LOGI(TAG, "Card unmounted");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void register_unmount(void)
|
|
{
|
|
mount_args.device = arg_str1(NULL, NULL, "<sd>", "choose a proper device to mount/unmount");
|
|
mount_args.end = arg_end(1);
|
|
const esp_console_cmd_t cmd = {
|
|
.command = "unmount",
|
|
.help = "unmount the filesystem",
|
|
.hint = NULL,
|
|
.func = &unmount,
|
|
.argtable = &mount_args
|
|
};
|
|
ESP_ERROR_CHECK(esp_console_cmd_register(&cmd));
|
|
}
|
|
#endif // CONFIG_SNIFFER_PCAP_DESTINATION_SD
|
|
|
|
void app_main(void)
|
|
{
|
|
initialize_nvs();
|
|
|
|
/* Initialize WiFi */
|
|
initialize_wifi();
|
|
esp_console_repl_t *repl = NULL;
|
|
esp_console_repl_config_t repl_config = ESP_CONSOLE_REPL_CONFIG_DEFAULT();
|
|
#if CONFIG_SNIFFER_STORE_HISTORY
|
|
initialize_filesystem();
|
|
repl_config.history_save_path = HISTORY_FILE_PATH;
|
|
#endif
|
|
repl_config.prompt = "sniffer>";
|
|
|
|
// install console REPL environment
|
|
#if CONFIG_ESP_CONSOLE_UART
|
|
esp_console_dev_uart_config_t uart_config = ESP_CONSOLE_DEV_UART_CONFIG_DEFAULT();
|
|
ESP_ERROR_CHECK(esp_console_new_repl_uart(&uart_config, &repl_config, &repl));
|
|
#elif CONFIG_ESP_CONSOLE_USB_CDC
|
|
esp_console_dev_usb_cdc_config_t cdc_config = ESP_CONSOLE_DEV_CDC_CONFIG_DEFAULT();
|
|
ESP_ERROR_CHECK(esp_console_new_repl_usb_cdc(&cdc_config, &repl_config, &repl));
|
|
#endif
|
|
|
|
/* Register commands */
|
|
#if CONFIG_SNIFFER_PCAP_DESTINATION_SD
|
|
register_mount();
|
|
register_unmount();
|
|
#endif
|
|
register_sniffer();
|
|
register_system();
|
|
|
|
printf("\n =======================================================\n");
|
|
printf(" | Steps to sniffer WiFi packets |\n");
|
|
printf(" | |\n");
|
|
printf(" | 1. Enter 'help' to check all commands' usage |\n");
|
|
printf(" | 2. Enter 'mount <device>' to mount filesystem |\n");
|
|
printf(" | 3. Enter 'sniffer' to start capture packets |\n");
|
|
printf(" | 4. Enter 'unmount <device>' to unmount filesystem |\n");
|
|
printf(" | |\n");
|
|
printf(" =======================================================\n\n");
|
|
|
|
// start console REPL
|
|
ESP_ERROR_CHECK(esp_console_start_repl(repl));
|
|
}
|