First Ethernet activation
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11
esp32_device/.vscode/settings.json
vendored
11
esp32_device/.vscode/settings.json
vendored
@ -21,6 +21,15 @@
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"platform.h": "c",
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"build_info.h": "c",
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"config_adjust_ssl.h": "c",
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"pk.h": "c"
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"pk.h": "c",
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"esp_http_client.h": "c",
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"constants.h": "c",
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"ethernet.h": "c",
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"esp_err.h": "c",
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"esp_eth.h": "c",
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"task.h": "c",
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"freertos.h": "c",
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"unsecure_api.h": "c",
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"esp_log.h": "c"
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}
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}
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@ -1,3 +1,3 @@
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idf_component_register(SRCS "system.c" "crypto.c" "random.c" "storage.c" "main.c"
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idf_component_register(SRCS "ethernet.c" "unsecure_api.c" "system.c" "crypto.c" "random.c" "storage.c" "main.c"
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"dev_name.c"
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INCLUDE_DIRS ".")
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@ -13,9 +13,12 @@
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#include <mbedtls/sha256.h>
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#include <mbedtls/pk.h>
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#include <mbedtls/x509_csr.h>
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#include "esp_log.h"
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#define ECPARAMS MBEDTLS_ECP_DP_SECP256R1
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static const char *TAG = "crypto";
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static const char *pers = "ecdsa";
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static void seed_ctr_drbg_context(mbedtls_entropy_context *entropy, mbedtls_ctr_drbg_context *ctr_drbg)
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@ -25,12 +28,12 @@ static void seed_ctr_drbg_context(mbedtls_entropy_context *entropy, mbedtls_ctr_
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mbedtls_entropy_init(entropy);
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mbedtls_ctr_drbg_init(ctr_drbg);
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printf("Seed Mbedtls\n");
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ESP_LOGI(TAG, "Seed Mbedtls\n");
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if ((ret = mbedtls_ctr_drbg_seed(ctr_drbg, mbedtls_entropy_func, entropy,
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(const unsigned char *)pers,
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strlen(pers))) != 0)
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{
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mbedtls_printf(" failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret);
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ESP_LOGE(TAG, " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret);
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reboot();
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}
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}
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@ -50,32 +53,32 @@ bool crypto_gen_priv_key()
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mbedtls_ctr_drbg_context ctr_drbg;
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seed_ctr_drbg_context(&entropy, &ctr_drbg);
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printf("PK info from type\n");
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ESP_LOGI(TAG, "PK info from type\n");
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if ((ret = mbedtls_pk_setup(&key, mbedtls_pk_info_from_type(MBEDTLS_PK_ECKEY))) != 0)
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{
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mbedtls_printf(" failed\n ! mbedtls_pk_setup returned -0x%04x", (unsigned int)-ret);
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ESP_LOGE(TAG, " failed\n ! mbedtls_pk_setup returned -0x%04x", (unsigned int)-ret);
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reboot();
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}
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// Generate private key
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printf("Generate private key\n");
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ESP_LOGI(TAG, "Generate private key\n");
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ret = mbedtls_ecp_gen_key(ECPARAMS,
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mbedtls_pk_ec(key),
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mbedtls_ctr_drbg_random, &ctr_drbg);
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if (ret != 0)
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{
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mbedtls_printf(" failed\n ! mbedtls_ecp_gen_key returned -0x%04x",
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(unsigned int)-ret);
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ESP_LOGE(TAG, " failed\n ! mbedtls_ecp_gen_key returned -0x%04x",
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(unsigned int)-ret);
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reboot();
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}
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// Export private key
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printf("Export private key\n");
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ESP_LOGI(TAG, "Export private key\n");
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unsigned char *key_buff = malloc(PRV_KEY_DER_MAX_BYTES);
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if ((ret = mbedtls_pk_write_key_der(&key, key_buff, PRV_KEY_DER_MAX_BYTES)) < 1)
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{
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mbedtls_printf(" failed\n ! mbedtls_pk_write_key_der returned -0x%04x",
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(unsigned int)-ret);
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ESP_LOGE(TAG, " failed\n ! mbedtls_pk_write_key_der returned -0x%04x",
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(unsigned int)-ret);
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reboot();
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}
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@ -104,26 +107,26 @@ void crypto_print_priv_key()
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mbedtls_ctr_drbg_context ctr_drbg;
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seed_ctr_drbg_context(&entropy, &ctr_drbg);
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printf("Parse private key (len = %d)\n", key_len);
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ESP_LOGI(TAG, "Parse private key (len = %d)\n", key_len);
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if ((ret = mbedtls_pk_parse_key(&key, key_buff, key_len, NULL, 0, mbedtls_ctr_drbg_random, &ctr_drbg)) != 0)
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{
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mbedtls_printf(" failed\n ! mbedtls_pk_parse_key returned -0x%04x",
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(unsigned int)-ret);
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ESP_LOGE(TAG, " failed\n ! mbedtls_pk_parse_key returned -0x%04x",
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(unsigned int)-ret);
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reboot();
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}
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free(key_buff);
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printf("Show private key\n");
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ESP_LOGI(TAG, "Show private key\n");
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unsigned char *out = malloc(16000);
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memset(out, 0, 16000);
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if ((ret = mbedtls_pk_write_key_pem(&key, out, 16000)) != 0)
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{
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mbedtls_printf(" failed\n ! mbedtls_pk_write_key_pem returned -0x%04x",
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(unsigned int)-ret);
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ESP_LOGE(TAG, " failed\n ! mbedtls_pk_write_key_pem returned -0x%04x",
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(unsigned int)-ret);
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reboot();
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}
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printf("%s", out);
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ESP_LOGI(TAG, "%s", out);
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free(out);
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mbedtls_pk_free(&key);
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@ -146,11 +149,11 @@ char *crypto_get_csr()
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mbedtls_ctr_drbg_context ctr_drbg;
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seed_ctr_drbg_context(&entropy, &ctr_drbg);
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printf("Parse private key (len = %d)\n", key_len);
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ESP_LOGI(TAG, "Parse private key (len = %d)\n", key_len);
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if ((ret = mbedtls_pk_parse_key(&key, key_buff, key_len, NULL, 0, mbedtls_ctr_drbg_random, &ctr_drbg)) != 0)
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{
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mbedtls_printf(" failed\n ! mbedtls_pk_parse_key returned -0x%04x",
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(unsigned int)-ret);
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ESP_LOGE(TAG, " failed\n ! mbedtls_pk_parse_key returned -0x%04x",
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(unsigned int)-ret);
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reboot();
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}
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free(key_buff);
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@ -166,17 +169,17 @@ char *crypto_get_csr()
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free(n);
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if ((ret = mbedtls_x509write_csr_set_subject_name(&req, subj)) != 0)
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{
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mbedtls_printf(" failed\n ! mbedtls_x509write_csr_set_subject_name returned %d", ret);
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ESP_LOGE(TAG, " failed\n ! mbedtls_x509write_csr_set_subject_name returned %d", ret);
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reboot();
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}
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printf("Sign CSR with private key\n");
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ESP_LOGI(TAG, "Sign CSR with private key\n");
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mbedtls_x509write_csr_set_key(&req, &key);
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char *csr = malloc(4096);
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if ((ret = mbedtls_x509write_csr_pem(&req, (u_char *)csr, 4096, mbedtls_ctr_drbg_random, &ctr_drbg)) < 0)
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{
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mbedtls_printf(" failed\n ! mbedtls_x509write_csr_pem returned %d", ret);
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ESP_LOGE(TAG, " failed\n ! mbedtls_x509write_csr_pem returned %d", ret);
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reboot();
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}
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@ -6,8 +6,12 @@
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#include "constants.h"
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#include "string.h"
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#include "esp_log.h"
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#define DEV_PREFIX "ESP32 "
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static const char *TAG = "dev_name";
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bool dev_generate_name()
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{
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// Check if a device name has already been defined
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@ -29,7 +33,7 @@ char *dev_name()
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char *dev = malloc(len + strlen(DEV_PREFIX) + 1);
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if (dev == NULL)
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{
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printf("Failed to allocate memory to store dev name!\n");
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ESP_LOGE(TAG, "Failed to allocate memory to store dev name!\n");
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return NULL;
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}
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112
esp32_device/main/ethernet.c
Normal file
112
esp32_device/main/ethernet.c
Normal file
@ -0,0 +1,112 @@
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#define CONFIG_ETH_USE_ESP32_EMAC
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#include "esp_eth.h"
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#include "esp_eth_mac.h"
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#include "esp_eth_com.h"
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#include "esp_eth_mac.h"
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#include "esp_eth_phy.h"
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#include "esp_err.h"
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#include "esp_event.h"
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#include "esp_netif.h"
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#include "driver/gpio.h"
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#include "esp_log.h"
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#include "system.h"
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static const char *TAG = "ethernet";
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void ethernet_init()
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{
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if (esp_netif_init() != ESP_OK)
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{
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ESP_LOGE(TAG, "esp_netif_init failed!");
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reboot();
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}
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esp_err_t err = esp_event_loop_create_default();
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if (err != ESP_OK && err != ESP_ERR_INVALID_STATE)
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{
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ESP_LOGE(TAG, "esp_event_loop_create_default failed!");
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reboot();
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}
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ESP_LOGI(TAG, "Initializing Ethernet MAC for WirelessTag WT32-ETH01...");
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eth_esp32_emac_config_t mac_config = ETH_ESP32_EMAC_DEFAULT_CONFIG();
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mac_config.clock_config.rmii.clock_mode = EMAC_CLK_EXT_IN;
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mac_config.clock_config.rmii.clock_gpio = EMAC_CLK_IN_GPIO;
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mac_config.smi_mdc_gpio_num = GPIO_NUM_23;
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mac_config.smi_mdio_gpio_num = GPIO_NUM_18;
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eth_mac_config_t eth_mac_config = ETH_MAC_DEFAULT_CONFIG();
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eth_mac_config.sw_reset_timeout_ms = 1000;
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esp_eth_mac_t *mac = esp_eth_mac_new_esp32(&mac_config, ð_mac_config);
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if (mac == NULL)
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{
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ESP_LOGE(TAG, "esp_eth_mac_new_esp32 failed!");
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reboot();
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}
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ESP_LOGI(TAG, "Initializing Ethernet PHY (LAN8720A) for WT32-ETH01...");
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eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG();
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phy_config.phy_addr = 1;
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phy_config.reset_gpio_num = -1;
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esp_eth_phy_t *phy = esp_eth_phy_new_lan87xx(&phy_config);
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// Enable external oscillator (pulled down at boot to allow IO0 strapping)
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ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_16, GPIO_MODE_OUTPUT));
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ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_16, 1));
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ESP_LOGI(TAG, "Starting Ethernet interface...");
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// Install and start Ethernet driver
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esp_eth_config_t eth_config = ETH_DEFAULT_CONFIG(mac, phy);
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esp_eth_handle_t eth_handle = NULL;
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ESP_ERROR_CHECK(esp_eth_driver_install(ð_config, ð_handle));
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if (eth_handle == NULL)
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{
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ESP_LOGE(TAG, "esp_eth_driver_install failed!");
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reboot();
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}
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esp_netif_config_t const netif_config = ESP_NETIF_DEFAULT_ETH();
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esp_netif_t *global_netif = esp_netif_new(&netif_config);
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esp_eth_netif_glue_handle_t eth_netif_glue = esp_eth_new_netif_glue(eth_handle);
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if (eth_netif_glue == NULL)
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{
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ESP_LOGE(TAG, "esp_eth_new_netif_glue failed!");
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reboot();
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}
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ESP_ERROR_CHECK(esp_netif_attach(global_netif, eth_netif_glue));
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ESP_ERROR_CHECK(esp_eth_start(eth_handle));
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printf("Start Ethernet interface!\n");
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/*ESP_LOGI(TAG, "Initializing Ethernet MAC for WirelessTag WT32-ETH01...");
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eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG();
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eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG();
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phy_config.clock_config.rmii.clock_mode = EMAC_CLK_EXT_IN;
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mac_config.clock_config.rmii.clock_gpio = EMAC_CLK_IN_GPIO;
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phy_config.smi_mdc_gpio_num = 23;
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phy_config.smi_mdio_gpio_num = 18;
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mac_config.sw_reset_timeout_ms = 1000; // from ETH.cpp
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mac = esp_eth_mac_new_esp32(&mac_config);
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ESP_LOGI(TAG, "Initializing Ethernet PHY (LAN8720A) for WT32-ETH01...");
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eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG();
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phy_config.phy_addr = 1;
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phy_config.reset_gpio_num = -1;
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phy = esp_eth_phy_new_lan87xx(&phy_config);
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// Enable external oscillator (pulled down at boot to allow IO0 strapping)
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ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_16, GPIO_MODE_OUTPUT));
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ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_16, 1));
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ESP_LOGI(TAG, "Starting Ethernet interface...");
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// Install and start Ethernet driver
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esp_eth_config_t eth_config = ETH_DEFAULT_CONFIG(mac, phy);
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esp_eth_handle_t eth_handle = nullptr;
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ESP_ERROR_CHECK(esp_eth_driver_install(ð_config, ð_handle));
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esp_netif_config_t const netif_config = ESP_NETIF_DEFAULT_ETH();
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global_netif = esp_netif_new(&netif_config);
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auto const eth_netif_glue = esp_eth_new_netif_glue(eth_handle);
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ESP_ERROR_CHECK(esp_netif_attach(global_netif, eth_netif_glue));
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ESP_ERROR_CHECK(esp_eth_start(eth_handle));*/
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}
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24
esp32_device/main/ethernet.h
Normal file
24
esp32_device/main/ethernet.h
Normal file
@ -0,0 +1,24 @@
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/**
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* Unsecure API functions
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**
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* Initialize Ethernet connection
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*/
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void ethernet_init();
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/**
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* De-initialize Ethernet connection
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*/
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void ethernet_deinit();
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#ifdef __cplusplus
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}
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#endif
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@ -1,46 +1,57 @@
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#include <stdio.h>
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#include "esp_system.h"
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#include "esp_log.h"
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#include "dev_name.h"
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#include "storage.h"
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#include "system.h"
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#include "crypto.h"
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#include "unsecure_api.h"
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#include "ethernet.h"
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static const char *TAG = "main";
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void app_main(void)
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{
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printf("\n");
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esp_log_level_set("*", ESP_LOG_VERBOSE);
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ESP_LOGI(TAG, "SolarEnergy WT32-ETH01 device");
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if (storage_init() == false)
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{
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printf("Failed to init storage!\n");
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ESP_LOGE(TAG, "Failed to init storage!\n");
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reboot();
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}
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if (dev_generate_name())
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{
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printf("Generated a new device name\n");
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ESP_LOGI(TAG, "Generated a new device name\n");
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}
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char *name = dev_name();
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printf("Dev name: %s\n", name);
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ESP_LOGI(TAG, "Dev name: %s\n", name);
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free(name);
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if (crypto_gen_priv_key())
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{
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printf("Generated device private key!\n");
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ESP_LOGI(TAG, "Generated device private key!\n");
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}
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printf("Device private key:\n");
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ESP_LOGI(TAG, "Device private key:\n");
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crypto_print_priv_key();
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char *csr = crypto_get_csr();
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printf("Current CSR:\n%s\n", csr);
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ESP_LOGI(TAG, "Current CSR:\n%s\n", csr);
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free(csr);
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printf("Check secure origin\n");
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ESP_LOGI(TAG, "Initialize network\n");
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ethernet_init();
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ESP_LOGI(TAG, "Check secure origin\n");
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char *sec_orig = unsecure_api_get_secure_origin();
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assert(sec_orig != NULL);
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printf("Res = %s\n", sec_orig);
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system_sleep(20);
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reboot();
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}
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@ -2,6 +2,7 @@
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#include "storage.h"
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#include "nvs_flash.h"
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#include "nvs.h"
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#include "esp_log.h"
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#include <string.h>
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#define STORAGE_NAMESPACE "storage"
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@ -9,12 +10,14 @@
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#define DEV_NAME_KEY "dev_name"
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#define PRIVATE_KEY "prikey"
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static const char *TAG = "storage";
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bool storage_init()
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{
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esp_err_t err = nvs_flash_init();
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if (err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND)
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{
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printf("Need to reset storage\n");
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ESP_LOGI(TAG, "Need to reset storage\n");
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// NVS partition was truncated and needs to be erased
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// Retry nvs_flash_init
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@ -2,6 +2,14 @@
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#include "esp_system.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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||||
|
||||
void system_sleep(size_t secs)
|
||||
{
|
||||
vTaskDelay((1000 * secs) / portTICK_PERIOD_MS);
|
||||
}
|
||||
|
||||
void reboot()
|
||||
{
|
||||
fflush(stdout);
|
||||
|
@ -4,11 +4,18 @@
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "stddef.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
{
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Sleep for a given amount of time
|
||||
*/
|
||||
void system_sleep(size_t secs);
|
||||
|
||||
/**
|
||||
* Reboot ESP32
|
||||
*/
|
||||
|
Loading…
Reference in New Issue
Block a user