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Store certificates in NVS, bug fixes - release

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This commit is contained in:
Sebastien
2019-11-22 16:37:53 -05:00
parent 29242c63b9
commit 6fd80f0ff4
11 changed files with 408 additions and 263 deletions
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47
components/cmd_nvs/cmd_nvs.c
View File

@@ -26,26 +26,8 @@ extern "C" {
#include "nvs.h"
#include "nvs_utilities.h"
typedef struct {
nvs_type_t type;
const char *str;
} type_str_pair_t;
static const type_str_pair_t type_str_pair[] = {
{ NVS_TYPE_I8, "i8" },
{ NVS_TYPE_U8, "u8" },
{ NVS_TYPE_U16, "u16" },
{ NVS_TYPE_I16, "i16" },
{ NVS_TYPE_U32, "u32" },
{ NVS_TYPE_I32, "i32" },
{ NVS_TYPE_U64, "u64" },
{ NVS_TYPE_I64, "i64" },
{ NVS_TYPE_STR, "str" },
{ NVS_TYPE_BLOB, "blob" },
{ NVS_TYPE_ANY, "any" },
};
static const size_t TYPE_STR_PAIR_SIZE = sizeof(type_str_pair) / sizeof(type_str_pair[0]);
static const char *ARG_TYPE_STR = "type can be: i8, u8, i16, u16 i32, u32 i64, u64, str, blob";
static const char * TAG = "platform_esp32";
@@ -80,28 +62,7 @@ static struct {
} list_args;
static nvs_type_t str_to_type(const char *type)
{
for (int i = 0; i < TYPE_STR_PAIR_SIZE; i++) {
const type_str_pair_t *p = &type_str_pair[i];
if (strcmp(type, p->str) == 0) {
return p->type;
}
}
return NVS_TYPE_ANY;
}
const char *type_to_str(nvs_type_t type)
{
for (int i = 0; i < TYPE_STR_PAIR_SIZE; i++) {
const type_str_pair_t *p = &type_str_pair[i];
if (p->type == type) {
return p->str;
}
}
return "Unknown";
}
static esp_err_t store_blob(nvs_handle nvs, const char *key, const char *str_values)
{
uint8_t value;
@@ -149,14 +110,6 @@ static esp_err_t store_blob(nvs_handle nvs, const char *key, const char *str_val
return err;
}
static void print_blob(const char *blob, size_t len)
{
for (int i = 0; i < len; i++) {
printf("%02x", blob[i]);
}
printf("\n");
}
static esp_err_t set_value_in_nvs(const char *key, const char *str_type, const char *str_value)
{
esp_err_t err;

2
components/cmd_nvs/cmd_nvs.h
View File

@@ -15,7 +15,7 @@ extern "C" {
// Register NVS functions
void register_nvs();
const char *type_to_str(nvs_type_t type);
#ifdef __cplusplus
}
#endif

2
components/squeezelite-ota/component.mk
View File

@@ -10,4 +10,4 @@ COMPONENT_EXTRA_INCLUDES += $(PROJECT_PATH)/main/
COMPONENT_EXTRA_INCLUDES += $(PROJECT_PATH)/components/tools
CFLAGS += -D LOG_LOCAL_LEVEL=ESP_LOG_INFO -DCONFIG_OTA_ALLOW_HTTP=1
#CFLAGS += -DLOG_LOCAL_LEVEL=ESP_LOG_DEBUG -DCONFIG_OTA_ALLOW_HTTP=1
COMPONENT_EMBED_TXTFILES := ${PROJECT_PATH}/server_certs/github.pem

277
components/squeezelite-ota/squeezelite-ota.c
View File

@@ -14,7 +14,6 @@
#include "esp_system.h"
#include "esp_event.h"
#include "esp_log.h"
#include "esp_ota_ops.h"
#include "esp_https_ota.h"
#include "string.h"
#include <stdbool.h>
@@ -28,20 +27,17 @@
#include <time.h>
#include <sys/time.h>
#include <stdarg.h>
#include "esp_image_format.h"
#include "esp_secure_boot.h"
#include "esp_flash_encrypt.h"
#include "esp_spi_flash.h"
#include "sdkconfig.h"
#include "esp_ota_ops.h"
extern const char * get_certificate();
static const char *TAG = "squeezelite-ota";
extern const uint8_t server_cert_pem_start[] asm("_binary_github_pem_start");
extern const uint8_t server_cert_pem_end[] asm("_binary_github_pem_end");
char * cert=NULL;
char * ota_write_data = NULL;
esp_http_client_handle_t ota_http_client = NULL;
#define IMAGE_HEADER_SIZE sizeof(esp_image_header_t) + sizeof(esp_image_segment_header_t) + sizeof(esp_app_desc_t) + 1
#define BUFFSIZE 4096
#define HASH_LEN 32 /* SHA-256 digest length */
@@ -53,7 +49,6 @@ static struct {
uint32_t ota_total_len;
char * redirected_url;
char * current_url;
bool bRedirectFound;
bool bOTAStarted;
bool bInitialized;
uint8_t lastpct;
@@ -67,14 +62,14 @@ static esp_http_client_config_t ota_config;
extern void wifi_manager_refresh_ota_json();
void RECOVERY_IRAM_FUNCTION _printMemStats(){
void _printMemStats(){
ESP_LOGD(TAG,"Heap internal:%zu (min:%zu) external:%zu (min:%zu)",
heap_caps_get_free_size(MALLOC_CAP_INTERNAL),
heap_caps_get_minimum_free_size(MALLOC_CAP_INTERNAL),
heap_caps_get_free_size(MALLOC_CAP_SPIRAM),
heap_caps_get_minimum_free_size(MALLOC_CAP_SPIRAM));
}
void RECOVERY_IRAM_FUNCTION triggerStatusJsonRefresh(bool bDelay,const char * status, ...){
void triggerStatusJsonRefresh(bool bDelay,const char * status, ...){
va_list args;
va_start(args, status);
vsnprintf(ota_status.status_text,sizeof(ota_status.status_text)-1,status, args);
@@ -86,13 +81,12 @@ void RECOVERY_IRAM_FUNCTION triggerStatusJsonRefresh(bool bDelay,const char * st
vTaskDelay(200 / portTICK_PERIOD_MS); // wait here for a short amount of time. This will help with refreshing the UI status
ESP_LOGD(TAG,"Done holding task...");
}
else
{
else {
ESP_LOGI(TAG,"%s",ota_status.status_text);
taskYIELD();
}
}
const char * RECOVERY_IRAM_FUNCTION ota_get_status(){
const char * ota_get_status(){
if(!ota_status.bInitialized)
{
memset(ota_status.status_text, 0x00,sizeof(ota_status.status_text));
@@ -100,12 +94,12 @@ const char * RECOVERY_IRAM_FUNCTION ota_get_status(){
}
return ota_status.status_text;
}
uint8_t RECOVERY_IRAM_FUNCTION ota_get_pct_complete(){
uint8_t ota_get_pct_complete(){
return ota_status.ota_total_len==0?0:
(uint8_t)((float)ota_status.ota_actual_len/(float)ota_status.ota_total_len*100.0f);
}
static void __attribute__((noreturn)) RECOVERY_IRAM_FUNCTION task_fatal_error(void)
static void __attribute__((noreturn)) task_fatal_error(void)
{
ESP_LOGE(TAG, "Exiting task due to fatal error...");
(void)vTaskDelete(NULL);
@@ -115,7 +109,7 @@ static void __attribute__((noreturn)) RECOVERY_IRAM_FUNCTION task_fatal_error(vo
}
}
#define FREE_RESET(p) if(p!=NULL) { free(p); p=NULL; }
esp_err_t RECOVERY_IRAM_FUNCTION _http_event_handler(esp_http_client_event_t *evt)
esp_err_t _http_event_handler(esp_http_client_event_t *evt)
{
// --------------
// Received parameters
@@ -159,7 +153,6 @@ esp_err_t RECOVERY_IRAM_FUNCTION _http_event_handler(esp_http_client_event_t *ev
FREE_RESET(ota_status.redirected_url);
ota_status.redirected_url=strdup(evt->header_value);
ESP_LOGW(TAG,"OTA will redirect to url: %s",ota_status.redirected_url);
ota_status.bRedirectFound= true;
}
if (strcasecmp(evt->header_key, "content-length") == 0) {
ota_status.ota_total_len = atol(evt->header_value);
@@ -170,19 +163,6 @@ esp_err_t RECOVERY_IRAM_FUNCTION _http_event_handler(esp_http_client_event_t *ev
if(!ota_status.bOTAStarted) {
ESP_LOGD(TAG, "HTTP_EVENT_ON_DATA, status_code=%d, len=%d",esp_http_client_get_status_code(evt->client), evt->data_len);
}
else if(ota_status.bOTAStarted && esp_http_client_get_status_code(evt->client) == 200 ){
ota_status.ota_actual_len+=evt->data_len;
if(ota_get_pct_complete()%5 == 0) ota_status.newpct = ota_get_pct_complete();
if(ota_status.lastpct!=ota_status.newpct )
{
gettimeofday(&tv, NULL);
uint32_t elapsed_ms= (tv.tv_sec-ota_status.OTA_start.tv_sec )*1000+(tv.tv_usec-ota_status.OTA_start.tv_usec)/1000;
ESP_LOGI(TAG,"OTA progress : %d/%d (%d pct), %d KB/s", ota_status.ota_actual_len, ota_status.ota_total_len, ota_status.newpct, elapsed_ms>0?ota_status.ota_actual_len*1000/elapsed_ms/1024:0);
wifi_manager_refresh_ota_json();
ota_status.lastpct=ota_status.newpct;
}
}
break;
case HTTP_EVENT_ON_FINISH:
ESP_LOGD(TAG, "HTTP_EVENT_ON_FINISH");
@@ -194,17 +174,23 @@ esp_err_t RECOVERY_IRAM_FUNCTION _http_event_handler(esp_http_client_event_t *ev
return ESP_OK;
}
esp_err_t RECOVERY_IRAM_FUNCTION init_config(const char * url){
esp_err_t init_config(char * url){
memset(&ota_config, 0x00, sizeof(ota_config));
ota_config.cert_pem =cert==NULL?(char *)server_cert_pem_start:cert;
ota_status.bInitialized = true;
triggerStatusJsonRefresh(true,"Initializing...");
if(url==NULL || strlen(url)==0){
ESP_LOGE(TAG,"HTTP OTA called without a url");
return ESP_FAIL;
}
ota_status.current_url= url;
ota_config.cert_pem =get_certificate();
ota_config.event_handler = _http_event_handler;
ota_config.buffer_size = BUFFSIZE;
ota_config.disable_auto_redirect=true;
//conf->disable_auto_redirect=false;
//ota_config.disable_auto_redirect=true;
ota_config.disable_auto_redirect=false;
ota_config.skip_cert_common_name_check = false;
ota_config.url = strdup(url);
ota_config.max_redirection_count = 0;
ota_config.max_redirection_count = 3;
//ota_write_data = heap_caps_malloc(ota_config.buffer_size+1 , MALLOC_CAP_INTERNAL);
ota_write_data = malloc(ota_config.buffer_size+1);
if(ota_write_data== NULL){
@@ -213,7 +199,7 @@ esp_err_t RECOVERY_IRAM_FUNCTION init_config(const char * url){
}
return ESP_OK;
}
esp_partition_t * RECOVERY_IRAM_FUNCTION _get_ota_partition(esp_partition_subtype_t subtype){
esp_partition_t * _get_ota_partition(esp_partition_subtype_t subtype){
esp_partition_t *ota_partition=NULL;
ESP_LOGI(TAG, "Looking for OTA partition.");
@@ -237,7 +223,7 @@ esp_partition_t * RECOVERY_IRAM_FUNCTION _get_ota_partition(esp_partition_subtyp
esp_err_t RECOVERY_IRAM_FUNCTION _erase_last_boot_app_partition(esp_partition_t *ota_partition)
esp_err_t _erase_last_boot_app_partition(esp_partition_t *ota_partition)
{
uint16_t num_passes=0;
uint16_t remain_size=0;
@@ -270,26 +256,21 @@ esp_err_t RECOVERY_IRAM_FUNCTION _erase_last_boot_app_partition(esp_partition_t
err=esp_partition_erase_range(ota_partition, i*single_pass_size, single_pass_size);
if(err!=ESP_OK) return err;
// triggerStatusJsonRefresh(i%10==0?true:false,"Erasing flash (%u/%u)",i,num_passes);
if(i%10) {
if(i%2) {
triggerStatusJsonRefresh(false,"Erasing flash (%u/%u)",i,num_passes);
}
taskYIELD();
vTaskDelay(200/ portTICK_PERIOD_MS); // wait here for a short amount of time. This will help with reducing WDT errors
}
if(remain_size>0){
err=esp_partition_erase_range(ota_partition, ota_partition->size-remain_size, remain_size);
if(err!=ESP_OK) return err;
}
triggerStatusJsonRefresh(false,"Erasing flash (100%%)");
triggerStatusJsonRefresh(true,"Erasing flash complete.");
taskYIELD();
return ESP_OK;
}
static void RECOVERY_IRAM_FUNCTION http_cleanup(esp_http_client_handle_t client)
{
esp_http_client_close(client);
esp_http_client_cleanup(client);
}
static bool RECOVERY_IRAM_FUNCTION process_again(int status_code)
static bool process_again(int status_code)
{
switch (status_code) {
case HttpStatus_MovedPermanently:
@@ -301,7 +282,7 @@ static bool RECOVERY_IRAM_FUNCTION process_again(int status_code)
}
return false;
}
static esp_err_t RECOVERY_IRAM_FUNCTION _http_handle_response_code(esp_http_client_handle_t http_client, int status_code)
static esp_err_t _http_handle_response_code(esp_http_client_handle_t http_client, int status_code)
{
esp_err_t err;
if (status_code == HttpStatus_MovedPermanently || status_code == HttpStatus_Found) {
@@ -341,7 +322,7 @@ static esp_err_t RECOVERY_IRAM_FUNCTION _http_handle_response_code(esp_http_clie
return err;
}
static esp_err_t RECOVERY_IRAM_FUNCTION _http_connect(esp_http_client_handle_t http_client)
static esp_err_t _http_connect(esp_http_client_handle_t http_client)
{
esp_err_t err = ESP_FAIL;
int status_code, header_ret;
@@ -361,6 +342,9 @@ static esp_err_t RECOVERY_IRAM_FUNCTION _http_connect(esp_http_client_handle_t h
ESP_LOGD(TAG, "HTTP Header fetch completed, found content length of %d",header_ret);
status_code = esp_http_client_get_status_code(http_client);
ESP_LOGD(TAG, "HTTP status code was %d",status_code);
err = _http_handle_response_code(http_client, status_code);
if (err != ESP_OK) {
return err;
@@ -368,39 +352,51 @@ static esp_err_t RECOVERY_IRAM_FUNCTION _http_connect(esp_http_client_handle_t h
} while (process_again(status_code));
return err;
}
void ota_task_cleanup(const char * message, ...){
ota_status.bOTAThreadStarted=false;
if(message!=NULL){
void RECOVERY_IRAM_FUNCTION ota_task(void *pvParameter)
va_list args;
va_start(args, message);
triggerStatusJsonRefresh(true,message, args);
va_end(args);
ESP_LOGE(TAG, "%s",ota_status.status_text);
}
FREE_RESET(ota_status.redirected_url);
FREE_RESET(ota_status.current_url);
FREE_RESET(ota_write_data);
if(ota_http_client!=NULL) {
esp_http_client_cleanup(ota_http_client);
ota_http_client=NULL;
}
ota_status.bOTAStarted = false;
task_fatal_error();
}
void ota_task(void *pvParameter)
{
char * passedURL=(char *)pvParameter;
esp_err_t err = ESP_OK;
int status_code, header_ret;
size_t buffer_size = BUFFSIZE;
ESP_LOGD(TAG, "HTTP ota Thread started");
const esp_partition_t *configured = esp_ota_get_boot_partition();
const esp_partition_t *running = esp_ota_get_running_partition();
const esp_partition_t * update_partition = esp_ota_get_next_update_partition(NULL);
ESP_LOGI(TAG, "esp_ota_get_next_update_partition returned : partition [%s] subtype %d at offset 0x%x",
update_partition->label, update_partition->subtype, update_partition->address);
if (configured != running) {
ESP_LOGW(TAG, "Configured OTA boot partition at offset 0x%08x, but running from offset 0x%08x",
configured->address, running->address);
ESP_LOGW(TAG, "Configured OTA boot partition at offset 0x%08x, but running from offset 0x%08x", configured->address, running->address);
ESP_LOGW(TAG, "(This can happen if either the OTA boot data or preferred boot image become corrupted somehow.)");
}
ESP_LOGI(TAG, "Running partition type %d subtype %d (offset 0x%08x)",
running->type, running->subtype, running->address);
ESP_LOGI(TAG, "Running partition [%s] type %d subtype %d (offset 0x%08x)", running->label, running->type, running->subtype, running->address);
_printMemStats();
ota_status.bInitialized = true;
ESP_LOGD(TAG, "HTTP ota Thread started");
triggerStatusJsonRefresh(true,"Initializing...");
ota_status.bRedirectFound=false;
if(passedURL==NULL || strlen(passedURL)==0){
ESP_LOGE(TAG,"HTTP OTA called without a url");
triggerStatusJsonRefresh(true,"Error: Updating needs a URL!");
ota_status.bOTAThreadStarted=false;
FREE_RESET(ota_write_data);
vTaskDelete(NULL);
return ;
ESP_LOGI(TAG,"Initializing OTA configuration");
err = init_config(pvParameter);
if(err!=ESP_OK){
ota_task_cleanup("Error: Failed to initialize OTA.");
return;
}
ota_status.current_url= strdup(passedURL);
FREE_RESET(pvParameter);
/* Locate and erase ota application partition */
ESP_LOGW(TAG,"**************** Expecting WATCHDOG errors below during flash erase. This is OK and not to worry about **************** ");
@@ -408,75 +404,44 @@ void RECOVERY_IRAM_FUNCTION ota_task(void *pvParameter)
esp_partition_t *ota_partition = _get_ota_partition(ESP_PARTITION_SUBTYPE_APP_OTA_0);
if(ota_partition == NULL){
ESP_LOGE(TAG,"Unable to locate OTA application partition. ");
FREE_RESET(ota_status.current_url);
FREE_RESET(ota_write_data);
triggerStatusJsonRefresh(true,"Error: OTA application partition not found. (%s)",esp_err_to_name(err));
ota_status.bOTAThreadStarted=false;
vTaskDelete(NULL);
ota_task_cleanup("Error: OTA application partition not found. (%s)",esp_err_to_name(err));
return;
}
_printMemStats();
err=_erase_last_boot_app_partition(ota_partition);
if(err!=ESP_OK){
ESP_LOGE(TAG,"Unable to erase last APP partition. (%s)",esp_err_to_name(err));
FREE_RESET(ota_status.current_url);
FREE_RESET(ota_status.redirected_url);
triggerStatusJsonRefresh(true,"Error: Unable to erase last APP partition. (%s)",esp_err_to_name(err));
ota_status.bOTAThreadStarted=false;
FREE_RESET(ota_write_data);
vTaskDelete(NULL);
ota_task_cleanup("Error: Unable to erase last APP partition. (%s)",esp_err_to_name(err));
return;
}
_printMemStats();
ESP_LOGI(TAG,"Initializing http client configuration");
if(init_config(ota_status.bRedirectFound?ota_status.redirected_url:ota_status.current_url)!=ESP_OK){
ESP_LOGE(TAG, "Failed to initialise HTTP configuration");
triggerStatusJsonRefresh(true,"Error: Failed to initialize OTA.");
ota_status.bOTAThreadStarted=false;
FREE_RESET(ota_write_data);
task_fatal_error();
}
_printMemStats();
ota_status.bOTAStarted = true;
triggerStatusJsonRefresh(true,"Starting OTA...");
esp_http_client_handle_t client = esp_http_client_init(&ota_config);
if (client == NULL) {
ESP_LOGE(TAG, "Failed to initialise HTTP connection");
triggerStatusJsonRefresh(true,"Error: Failed to initialize HTTP connection.");
ota_status.bOTAThreadStarted=false;
FREE_RESET(ota_write_data);
task_fatal_error();
ota_http_client = esp_http_client_init(&ota_config);
if (ota_http_client == NULL) {
ota_task_cleanup("Error: Failed to initialize HTTP connection.");
return;
}
_printMemStats();
// Open the http connection and follow any redirection
err = _http_connect(client);
err = _http_connect(ota_http_client);
if (err != ESP_OK) {
ESP_LOGE(TAG, "Failed start http read: %s", esp_err_to_name(err));
triggerStatusJsonRefresh(true,"Error: HTTP Start read failed. (%s)",esp_err_to_name(err));
ota_status.bOTAThreadStarted=false;
esp_http_client_cleanup(client);
FREE_RESET(ota_write_data);
task_fatal_error();
ota_task_cleanup("Error: HTTP Start read failed. (%s)",esp_err_to_name(err));
return;
}
_printMemStats();
// update_partition = esp_ota_get_next_update_partition(NULL);
// ESP_LOGI(TAG, "Writing to partition subtype %d at offset 0x%x",
// update_partition->subtype, update_partition->address);
// assert(update_partition != NULL);
esp_ota_handle_t update_handle = 0 ;
int binary_file_length = 0;
/*deal with all receive packet*/
bool image_header_was_checked = false;
while (1) {
int data_read = esp_http_client_read(client, ota_write_data, buffer_size);
int data_read = esp_http_client_read(ota_http_client, ota_write_data, buffer_size);
if (data_read < 0) {
ESP_LOGE(TAG, "Error: SSL data read error");
triggerStatusJsonRefresh(true,"Error: Data read error");
ota_status.bOTAThreadStarted=false;
http_cleanup(client);
FREE_RESET(ota_write_data);
task_fatal_error();
ota_task_cleanup("Error: Data read error");
return;
} else if (data_read > 0) {
if (image_header_was_checked == false) {
esp_app_desc_t new_app_info;
@@ -490,11 +455,11 @@ void RECOVERY_IRAM_FUNCTION ota_task(void *pvParameter)
ESP_LOGI(TAG, "Running recovery version: %s", running_app_info.version);
}
// const esp_partition_t* last_invalid_app = esp_ota_get_last_invalid_partition();
// esp_app_desc_t invalid_app_info;
// if (esp_ota_get_partition_description(last_invalid_app, &invalid_app_info) == ESP_OK) {
// ESP_LOGI(TAG, "Last invalid firmware version: %s", invalid_app_info.version);
// }
const esp_partition_t* last_invalid_app = esp_ota_get_last_invalid_partition();
esp_app_desc_t invalid_app_info;
if (esp_ota_get_partition_description(last_invalid_app, &invalid_app_info) == ESP_OK) {
ESP_LOGI(TAG, "Last invalid firmware version: %s", invalid_app_info.version);
}
// check current version with last invalid partition
// if (last_invalid_app != NULL) {
@@ -502,15 +467,12 @@ void RECOVERY_IRAM_FUNCTION ota_task(void *pvParameter)
// ESP_LOGW(TAG, "New version is the same as invalid version.");
// ESP_LOGW(TAG, "Previously, there was an attempt to launch the firmware with %s version, but it failed.", invalid_app_info.version);
// ESP_LOGW(TAG, "The firmware has been rolled back to the previous version.");
// http_cleanup(client);
// infinite_loop();
// ota_task_cleanup("esp_ota_begin failed (%s)", esp_err_to_name(err));
// }
// }
if (memcmp(new_app_info.version, running_app_info.version, sizeof(new_app_info.version)) == 0) {
ESP_LOGW(TAG, "Current running version is the same as a new.");
// http_cleanup(client);
// infinite_loop();
}
image_header_was_checked = true;
@@ -518,33 +480,33 @@ void RECOVERY_IRAM_FUNCTION ota_task(void *pvParameter)
// Call OTA Begin with a small partition size - this drives the erase operation which was already done;
err = esp_ota_begin(ota_partition, 512, &update_handle);
if (err != ESP_OK) {
ESP_LOGE(TAG, "esp_ota_begin failed (%s)", esp_err_to_name(err));
http_cleanup(client);
FREE_RESET(ota_write_data);
task_fatal_error();
}
else {
ESP_LOGI(TAG, "esp_ota_begin succeeded");
ota_task_cleanup("esp_ota_begin failed (%s)", esp_err_to_name(err));
return;
}
ESP_LOGD(TAG, "esp_ota_begin succeeded");
} else {
ESP_LOGE(TAG, "received package is not fit len");
triggerStatusJsonRefresh(true,"Error: Binary file too large for the current partition");
ota_status.bOTAThreadStarted=false;
http_cleanup(client);
FREE_RESET(ota_write_data);
task_fatal_error();
ota_task_cleanup("Error: Binary file too large for the current partition");
return;
}
}
err = esp_ota_write( update_handle, (const void *)ota_write_data, data_read);
if (err != ESP_OK) {
triggerStatusJsonRefresh(true,"Error: OTA Partition write failure. (%s)",esp_err_to_name(err));
ota_status.bOTAThreadStarted=false;
http_cleanup(client);
FREE_RESET(ota_write_data);
task_fatal_error();
ota_task_cleanup("Error: OTA Partition write failure. (%s)",esp_err_to_name(err));
return;
}
binary_file_length += data_read;
ESP_LOGD(TAG, "Written image length %d", binary_file_length);
ota_status.ota_actual_len=binary_file_length;
if(ota_get_pct_complete()%5 == 0) ota_status.newpct = ota_get_pct_complete();
if(ota_status.lastpct!=ota_status.newpct ) {
gettimeofday(&tv, NULL);
uint32_t elapsed_ms= (tv.tv_sec-ota_status.OTA_start.tv_sec )*1000+(tv.tv_usec-ota_status.OTA_start.tv_usec)/1000;
ESP_LOGI(TAG,"OTA progress : %d/%d (%d pct), %d KB/s", ota_status.ota_actual_len, ota_status.ota_total_len, ota_status.newpct, elapsed_ms>0?ota_status.ota_actual_len*1000/elapsed_ms/1024:0);
triggerStatusJsonRefresh(true,"Downloading & writing update.");
ota_status.lastpct=ota_status.newpct;
}
taskYIELD();
} else if (data_read == 0) {
ESP_LOGI(TAG, "Connection closed");
break;
@@ -553,40 +515,29 @@ void RECOVERY_IRAM_FUNCTION ota_task(void *pvParameter)
ESP_LOGI(TAG, "Total Write binary data length: %d", binary_file_length);
if (ota_status.ota_total_len != binary_file_length) {
ESP_LOGE(TAG, "Error in receiving complete file");
triggerStatusJsonRefresh(true,"Error: Error in receiving complete file");
ota_status.bOTAThreadStarted=false;
http_cleanup(client);
FREE_RESET(ota_write_data);
task_fatal_error();
ota_task_cleanup("Error: Error in receiving complete file");
return;
}
_printMemStats();
err = esp_ota_end(update_handle);
if (err != ESP_OK) {
ESP_LOGE(TAG, "esp_ota_end failed (%s)!", esp_err_to_name(err));
triggerStatusJsonRefresh(true,"Error: %s",esp_err_to_name(err));
ota_status.bOTAThreadStarted=false;
http_cleanup(client);
FREE_RESET(ota_write_data);
task_fatal_error();
ota_task_cleanup("Error: %s",esp_err_to_name(err));
return;
}
_printMemStats();
err = esp_ota_set_boot_partition(ota_partition);
if (err == ESP_OK) {
ESP_LOGI(TAG,"OTA Process completed successfully!");
triggerStatusJsonRefresh(true,"Success!");
vTaskDelay(1500/ portTICK_PERIOD_MS); // wait here to give the UI a chance to refresh
esp_restart();
} else {
triggerStatusJsonRefresh(true,"Error: %s",esp_err_to_name(err));
wifi_manager_refresh_ota_json();
ESP_LOGE(TAG, "Unable to set boot partition. %s", esp_err_to_name(err));
ota_status.bOTAThreadStarted=false;
ota_task_cleanup("Error: Unable to update boot partition [%s]",esp_err_to_name(err));
return;
}
FREE_RESET(ota_status.current_url);
FREE_RESET(ota_status.redirected_url);
FREE_RESET(ota_write_data);
vTaskDelete(NULL);
ota_task_cleanup(NULL);
return;
}
esp_err_t process_recovery_ota(const char * bin_url){

20
components/squeezelite-ota/squeezelite-ota.h
View File

@@ -7,6 +7,9 @@
#pragma once
#include "esp_attr.h"
#include "esp_image_format.h"
#include "esp_ota_ops.h"
#if RECOVERY_APPLICATION
#define CODE_RAM_LOCATION
#define RECOVERY_IRAM_FUNCTION IRAM_ATTR
@@ -17,10 +20,21 @@
// ERASE BLOCK needs to be a multiple of wear leveling's sector size
#define OTA_FLASH_ERASE_BLOCK (uint32_t)512000
#define OTA_STACK_SIZE 5120
// ERASE BLOCK needs to be a multiple of sector size. If a different multiple is passed
// the OTA process will adjust. Here, we need to strike the balance between speed and
// stability. The larger the blocks, the faster the erase will be, but the more likely
// the system will throw WDT while the flash chip is locked and the more likely
// the OTA process will derail
#define OTA_FLASH_ERASE_BLOCK (uint32_t)249856
// We're running the OTA without squeezelite in the background, so we can set a comfortable
// amount of stack to avoid overflows.
#define OTA_STACK_SIZE 10240
// To speed up processing, we set this priority to a number that is higher than normal
// tasks
#define OTA_TASK_PRIOTITY 6
esp_err_t start_ota(const char * bin_url);
const char * ota_get_status();
uint8_t ota_get_pct_complete();

1
main/component.mk
View File

@@ -11,3 +11,4 @@ CFLAGS += -D LOG_LOCAL_LEVEL=ESP_LOG_INFO
COMPONENT_ADD_INCLUDEDIRS += $(COMPONENT_PATH)/../tools
COMPONENT_EXTRA_INCLUDES += $(PROJECT_PATH)/components/tools/
LDFLAGS += -s
COMPONENT_EMBED_TXTFILES := ${PROJECT_PATH}/server_certs/github.pem

73
main/config.c
View File

@@ -61,7 +61,16 @@ bool config_set_group_bit(int bit_num,bool flag);
cJSON * config_set_value_safe(nvs_type_t nvs_type, const char *key, void * value);
static void vCallbackFunction( TimerHandle_t xTimer );
void config_set_entry_changed_flag(cJSON * entry, cJSON_bool flag);
#define IMPLEMENT_SET_DEFAULT(t,nt) void config_set_default_## t (const char *key, t value){\
void * pval = malloc(sizeof(value));\
*((t *) pval) = value;\
config_set_default(nt, key,pval,0);\
free(pval); }
#define IMPLEMENT_GET_NUM(t,nt) esp_err_t config_get_## t (const char *key, t * value){\
void * pval = config_alloc_get(nt, key);\
if(pval!=NULL){ *value = *(t * )pval; free(pval); return ESP_OK; }\
return ESP_FAIL;}
#ifdef RECOVERY_APPLICATION
static void * malloc_fn(size_t sz){
void * ptr = heap_caps_malloc(sz, MALLOC_CAP_SPIRAM);
@@ -79,6 +88,7 @@ static void * free_fn(void * ptr){
}
return NULL;
}
#endif
void init_cJSON(){
static cJSON_Hooks hooks;
// initialize cJSON hooks it uses SPIRAM memory
@@ -118,40 +128,59 @@ void config_start_timer(){
}
}
nvs_type_t config_get_item_type(cJSON * entry){
if(entry==NULL){
ESP_LOGE(TAG,"null pointer received!");
return true;
}
cJSON * item_type = cJSON_GetObjectItemCaseSensitive(entry, "type");
if(item_type ==NULL ) {
ESP_LOGE(TAG, "Item type not found! ");
return 0;
}
ESP_LOGD(TAG,"Found item type %f",item_type->valuedouble);
return item_type->valuedouble;
}
cJSON * config_set_value_safe(nvs_type_t nvs_type, const char *key, void * value){
char * num_buffer = NULL;
num_buffer = malloc(NUM_BUFFER_LEN);
memset(num_buffer,0x00,NUM_BUFFER_LEN);
cJSON * entry = cJSON_CreateObject();
double numvalue = 0;
if(entry == NULL) {
ESP_LOGE(TAG, "Unable to allocate memory for entry %s",key);
return NULL;
}
cJSON * existing = cJSON_GetObjectItemCaseSensitive(nvs_json, key);
if(existing !=NULL && nvs_type == NVS_TYPE_STR && config_get_item_type(existing) != NVS_TYPE_STR ) {
ESP_LOGW(TAG, "Storing numeric value from string");
numvalue = atof((char *)value);
cJSON_AddNumberToObject(entry,"value", numvalue );
nvs_type_t exist_type = config_get_item_type(existing);
ESP_LOGW(TAG, "Stored value %f from string %s as type %d",numvalue, (char *)value,exist_type);
cJSON_AddNumberToObject(entry,"type", exist_type);
}
else {
cJSON_AddNumberToObject(entry,"type", nvs_type );
switch (nvs_type) {
case NVS_TYPE_I8:
snprintf(num_buffer, NUM_BUFFER_LEN-1, "%i", *(int8_t*)value);
cJSON_AddNumberToObject(entry,"value", *(int8_t*)value );
break;
case NVS_TYPE_I16:
snprintf(num_buffer, NUM_BUFFER_LEN-1, "%i", *(int16_t*)value);
cJSON_AddNumberToObject(entry,"value", *(int16_t*)value );
break;
case NVS_TYPE_I32:
snprintf(num_buffer, NUM_BUFFER_LEN-1, "%i", *(int32_t*)value);
cJSON_AddNumberToObject(entry,"value", *(int32_t*)value );
break;
case NVS_TYPE_U8:
snprintf(num_buffer, NUM_BUFFER_LEN-1, "%u", *(uint8_t*)value);
cJSON_AddNumberToObject(entry,"value", *(uint8_t*)value );
break;
case NVS_TYPE_U16:
snprintf(num_buffer, NUM_BUFFER_LEN-1, "%u", *(uint16_t*)value);
cJSON_AddNumberToObject(entry,"value", *(uint16_t*)value );
break;
case NVS_TYPE_U32:
snprintf(num_buffer, NUM_BUFFER_LEN-1, "%u", *(uint32_t*)value);
cJSON_AddNumberToObject(entry,"value", *(uint32_t*)value );
break;
case NVS_TYPE_STR:
@@ -163,7 +192,7 @@ cJSON * config_set_value_safe(nvs_type_t nvs_type, const char *key, void * value
ESP_LOGE(TAG, "nvs type %u not supported", nvs_type);
break;
}
cJSON * existing = cJSON_GetObjectItemCaseSensitive(nvs_json, key);
}
if(existing!=NULL ) {
ESP_LOGV(TAG, "Changing existing entry [%s].", key);
char * exist_str = cJSON_PrintUnformatted(existing);
@@ -207,7 +236,6 @@ cJSON * config_set_value_safe(nvs_type_t nvs_type, const char *key, void * value
config_set_entry_changed_flag(entry,true);
cJSON_AddItemToObject(nvs_json, key, entry);
}
free(num_buffer);
return entry;
}
@@ -222,6 +250,7 @@ nvs_type_t config_get_entry_type(cJSON * entry){
ESP_LOGE(TAG, "Entry type not found in nvs cache for existing setting.");
return 0;
}
ESP_LOGV(TAG,"Found type %s",type_to_str(entry_type->valuedouble));
return entry_type->valuedouble;
}
void config_set_entry_changed_flag(cJSON * entry, cJSON_bool flag){
@@ -267,6 +296,10 @@ cJSON_bool config_is_entry_changed(cJSON * entry){
}
return cJSON_IsTrue(changed);
}
void * config_safe_alloc_get_entry_value(nvs_type_t nvs_type, cJSON * entry){
void * value=NULL;
if(entry==NULL){
@@ -300,7 +333,6 @@ void * config_safe_alloc_get_entry_value(nvs_type_t nvs_type, cJSON * entry){
return NULL;
}
if (nvs_type == NVS_TYPE_I8) {
value=malloc(sizeof(int8_t));
*(int8_t *)value = (int8_t)entry_value->valuedouble;
@@ -507,7 +539,7 @@ bool config_set_group_bit(int bit_num,bool flag){
}
return result;
}
//void config_set_default_uint16(const char *key, uint16_t value) { }
void config_set_default(nvs_type_t type, const char *key, void * default_value, size_t blob_size) {
if(!config_lock(LOCK_MAX_WAIT/portTICK_PERIOD_MS)){
ESP_LOGE(TAG, "Unable to lock config");
@@ -672,3 +704,16 @@ esp_err_t config_set_value(nvs_type_t nvs_type, const char *key, void * value){
return result;
}
IMPLEMENT_SET_DEFAULT(uint8_t,NVS_TYPE_U8);
IMPLEMENT_SET_DEFAULT(int8_t,NVS_TYPE_I8);
IMPLEMENT_SET_DEFAULT(uint16_t,NVS_TYPE_U16);
IMPLEMENT_SET_DEFAULT(int16_t,NVS_TYPE_I16);
IMPLEMENT_SET_DEFAULT(uint32_t,NVS_TYPE_U32);
IMPLEMENT_SET_DEFAULT(int32_t,NVS_TYPE_I32);
IMPLEMENT_GET_NUM(uint8_t,NVS_TYPE_U8);
IMPLEMENT_GET_NUM(int8_t,NVS_TYPE_I8);
IMPLEMENT_GET_NUM(uint16_t,NVS_TYPE_U16);
IMPLEMENT_GET_NUM(int16_t,NVS_TYPE_I16);
IMPLEMENT_GET_NUM(uint32_t,NVS_TYPE_U32);
IMPLEMENT_GET_NUM(int32_t,NVS_TYPE_I32);

17
main/config.h
View File

@@ -10,6 +10,23 @@ extern "C" {
#ifdef __cplusplus
}
#endif
#define DECLARE_SET_DEFAULT(t) void config_set_default_## t (const char *key, t value);
#define DECLARE_GET_NUM(t) esp_err_t config_get_## t (const char *key, t * value);
DECLARE_SET_DEFAULT(uint8_t);
DECLARE_SET_DEFAULT(uint16_t);
DECLARE_SET_DEFAULT(uint32_t);
DECLARE_SET_DEFAULT(int8_t);
DECLARE_SET_DEFAULT(int16_t);
DECLARE_SET_DEFAULT(int32_t);
DECLARE_GET_NUM(uint8_t);
DECLARE_GET_NUM(uint16_t);
DECLARE_GET_NUM(uint32_t);
DECLARE_GET_NUM(int8_t);
DECLARE_GET_NUM(int16_t);
DECLARE_GET_NUM(int32_t);
bool config_has_changes();
void config_commit_to_nvs();
void config_start_timer();

120
main/esp_app_main.c
View File

@@ -50,6 +50,9 @@
extern bool enable_bt_sink;
extern bool enable_airplay;
extern bool jack_mutes_amp;
static const char certs_namespace[] = "certificates";
static const char certs_key[] = "blob";
static const char certs_version[] = "version";
EventGroupHandle_t wifi_event_group;
@@ -69,6 +72,8 @@ char * fwurl = NULL;
#define LED_RED_GPIO -1
#endif
static bool bWifiConnected=false;
extern const uint8_t server_cert_pem_start[] asm("_binary_github_pem_start");
extern const uint8_t server_cert_pem_end[] asm("_binary_github_pem_end");
@@ -125,6 +130,108 @@ esp_log_level_t get_log_level_from_char(char * level){
void set_log_level(char * tag, char * level){
esp_log_level_set(tag, get_log_level_from_char(level));
}
esp_err_t update_certificates(){
// server_cert_pem_start
// server_cert_pem_end
nvs_handle handle;
esp_err_t esp_err;
esp_app_desc_t running_app_info;
ESP_LOGI(TAG, "About to check if certificates need to be updated in flash");
esp_err = nvs_open_from_partition(settings_partition, certs_namespace, NVS_READWRITE, &handle);
if (esp_err != ESP_OK) {
ESP_LOGE(TAG, "Unable to open name namespace %s. Error %s", certs_namespace, esp_err_to_name(esp_err));
return esp_err;
}
const esp_partition_t *running = esp_ota_get_running_partition();
if(running->subtype !=ESP_PARTITION_SUBTYPE_APP_FACTORY ){
ESP_LOGI(TAG, "Running partition [%s] type %d subtype %d (offset 0x%08x)", running->label, running->type, running->subtype, running->address);
}
if (esp_ota_get_partition_description(running, &running_app_info) == ESP_OK) {
ESP_LOGI(TAG, "Running version: %s", running_app_info.version);
}
size_t len=0;
char *str=NULL;
bool changed=false;
if ( (esp_err= nvs_get_str(handle, certs_version, NULL, &len)) == ESP_OK) {
str=(char *)malloc(len);
if ( (esp_err = nvs_get_str(handle, certs_version, str, &len)) == ESP_OK) {
printf("String associated with key '%s' is %s \n", certs_version, str);
}
}
if(str!=NULL){
if(strcmp((char *)running_app_info.version,(char *)str )){
// Versions are different
ESP_LOGW(TAG,"Found a different software version. Updating certificates");
changed=true;
}
free(str);
}
else {
ESP_LOGW(TAG,"No certificate found. Adding certificates");
changed=true;
}
if(changed){
esp_err = nvs_set_blob(handle, certs_key, server_cert_pem_start, (server_cert_pem_end-server_cert_pem_start));
if(esp_err!=ESP_OK){
ESP_LOGE(TAG, "Failed to store certificate data: %s", esp_err_to_name(esp_err));
}
else {
ESP_LOGI(TAG,"Updated stored https certificates");
esp_err = nvs_set_str(handle, certs_version, running_app_info.version);
if(esp_err!=ESP_OK){
ESP_LOGE(TAG, "Failed to store app version: %s", esp_err_to_name(esp_err));
}
else {
esp_err = nvs_commit(handle);
if(esp_err!=ESP_OK){
ESP_LOGE(TAG, "Failed to commit certificate changes: %s", esp_err_to_name(esp_err));
}
}
}
}
nvs_close(handle);
return ESP_OK;
}
const char * get_certificate(){
nvs_handle handle;
esp_err_t esp_err;
char *blob =NULL;
//
ESP_LOGD(TAG, "Fetching certificate.");
esp_err = nvs_open_from_partition(settings_partition, certs_namespace, NVS_READONLY, &handle);
if(esp_err == ESP_OK){
size_t len;
esp_err = nvs_get_blob(handle, certs_key, NULL, &len);
if( esp_err == ESP_OK) {
blob = (char *)malloc(len);
esp_err = nvs_get_blob(handle, certs_key, blob, &len);
if ( esp_err == ESP_OK) {
printf("Blob associated with key '%s' is %d bytes long: \n", certs_key, len);
}
}
else{
ESP_LOGE(TAG, "Unable to get the existing blob from namespace %s. [%s]", certs_namespace, esp_err_to_name(esp_err));
}
nvs_close(handle);
}
else{
ESP_LOGE(TAG, "Unable to open name namespace %s. [%s]", certs_namespace, esp_err_to_name(esp_err));
}
return blob;
}
//CONFIG_SDIF_NUM=0
@@ -207,8 +314,7 @@ void register_default_nvs(){
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "bypass_wm", "0");
config_set_default(NVS_TYPE_STR, "bypass_wm", "0", 0);
// ESP_LOGD(TAG,"Registering default value for key %s, value %s", "test_num", "0");
// config_set_default(NVS_TYPE_U16, "test_num", (uint16_t)2, 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "test_num", "0");
char number_buffer[101] = {};
@@ -260,7 +366,7 @@ void register_default_nvs(){
void app_main()
{
char * fwurl = NULL;
esp_err_t update_certificates();
ESP_LOGD(TAG,"Creating event group for wifi");
wifi_event_group = xEventGroupCreate();
ESP_LOGD(TAG,"Clearing CONNECTED_BIT from wifi group");
@@ -268,12 +374,18 @@ void app_main()
ESP_LOGI(TAG,"Starting app_main");
initialize_nvs();
ESP_LOGI(TAG,"Setting up config subsystem.");
config_init();
ESP_LOGD(TAG,"Registering default values");
ESP_LOGI(TAG,"Registering default values");
register_default_nvs();
#if !RECOVERY_APPLICATION
ESP_LOGI(TAG,"Checking if certificates need to be updated");
update_certificates();
#endif
ESP_LOGD(TAG,"Getting firmware OTA URL (if any)");
fwurl = process_ota_url();

49
main/nvs_utilities.c
View File

@@ -20,6 +20,55 @@ const char current_namespace[] = "config";
const char settings_partition[] = "settings";
static const char * TAG = "nvs_utilities";
typedef struct {
nvs_type_t type;
const char *str;
} type_str_pair_t;
static const type_str_pair_t type_str_pair[] = {
{ NVS_TYPE_I8, "i8" },
{ NVS_TYPE_U8, "u8" },
{ NVS_TYPE_U16, "u16" },
{ NVS_TYPE_I16, "i16" },
{ NVS_TYPE_U32, "u32" },
{ NVS_TYPE_I32, "i32" },
{ NVS_TYPE_U64, "u64" },
{ NVS_TYPE_I64, "i64" },
{ NVS_TYPE_STR, "str" },
{ NVS_TYPE_BLOB, "blob" },
{ NVS_TYPE_ANY, "any" },
};
static const size_t TYPE_STR_PAIR_SIZE = sizeof(type_str_pair) / sizeof(type_str_pair[0]);
void print_blob(const char *blob, size_t len)
{
for (int i = 0; i < len; i++) {
printf("%02x", blob[i]);
}
printf("\n");
}
nvs_type_t str_to_type(const char *type)
{
for (int i = 0; i < TYPE_STR_PAIR_SIZE; i++) {
const type_str_pair_t *p = &type_str_pair[i];
if (strcmp(type, p->str) == 0) {
return p->type;
}
}
return NVS_TYPE_ANY;
}
const char *type_to_str(nvs_type_t type)
{
for (int i = 0; i < TYPE_STR_PAIR_SIZE; i++) {
const type_str_pair_t *p = &type_str_pair[i];
if (p->type == type) {
return p->str;
}
}
return "Unknown";
}
void initialize_nvs() {
ESP_LOGI(TAG, "Initializing flash nvs ");
esp_err_t err = nvs_flash_init();

3
main/nvs_utilities.h
View File

@@ -16,6 +16,9 @@ esp_err_t store_nvs_value(nvs_type_t type, const char *key, void * data);
esp_err_t get_nvs_value(nvs_type_t type, const char *key, void*value, const uint8_t buf_size);
void * get_nvs_value_alloc(nvs_type_t type, const char *key);
esp_err_t erase_nvs(const char *key);
void print_blob(const char *blob, size_t len);
const char *type_to_str(nvs_type_t type);
nvs_type_t str_to_type(const char *type);
#ifdef __cplusplus
}
#endif