blob: 305f5b47921824d2b0f16fb879e8ec6bfc9f06c9 [file] [log] [blame]
/*
* Copyright (c) 2016-2017 Linaro Limited
* Copyright (c) 2018 Open Source Foundries Limited
* Copyright (c) 2018 Foundries.io
* Copyright (c) 2020 Linumiz
* Copyright (c) 2021 G-Technologies Sdn. Bhd.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(hawkbit, CONFIG_HAWKBIT_LOG_LEVEL);
#include <stdio.h>
#include <zephyr/kernel.h>
#include <string.h>
#include <stdlib.h>
#include <zephyr/fs/nvs.h>
#include <zephyr/data/json.h>
#include <zephyr/net/net_ip.h>
#include <zephyr/net/socket.h>
#include <zephyr/net/net_mgmt.h>
#include <zephyr/sys/reboot.h>
#include <zephyr/drivers/flash.h>
#include <zephyr/net/http/client.h>
#include <zephyr/net/dns_resolve.h>
#include <zephyr/logging/log_ctrl.h>
#include <zephyr/storage/flash_map.h>
#include "hawkbit_priv.h"
#include "hawkbit_device.h"
#include <zephyr/mgmt/hawkbit.h>
#include "hawkbit_firmware.h"
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
#define CA_CERTIFICATE_TAG 1
#include <zephyr/net/tls_credentials.h>
#endif
#define ADDRESS_ID 1
#define CANCEL_BASE_SIZE 50
#define RECV_BUFFER_SIZE 640
#define URL_BUFFER_SIZE 300
#define SHA256_HASH_SIZE 32
#define STATUS_BUFFER_SIZE 200
#define DOWNLOAD_HTTP_SIZE 200
#define DEPLOYMENT_BASE_SIZE 50
#define RESPONSE_BUFFER_SIZE 1100
#define HAWKBIT_RECV_TIMEOUT (300 * MSEC_PER_SEC)
#define HTTP_HEADER_CONTENT_TYPE_JSON "application/json;charset=UTF-8"
#define SLOT1_LABEL slot1_partition
#define SLOT1_SIZE FIXED_PARTITION_SIZE(SLOT1_LABEL)
#define STORAGE_LABEL storage_partition
#define STORAGE_DEV FIXED_PARTITION_DEVICE(STORAGE_LABEL)
#define STORAGE_OFFSET FIXED_PARTITION_OFFSET(STORAGE_LABEL)
#if ((CONFIG_HAWKBIT_POLL_INTERVAL > 1) && (CONFIG_HAWKBIT_POLL_INTERVAL < 43200))
static uint32_t poll_sleep = (CONFIG_HAWKBIT_POLL_INTERVAL * 60 * MSEC_PER_SEC);
#else
static uint32_t poll_sleep = (300 * MSEC_PER_SEC);
#endif
static struct nvs_fs fs;
struct hawkbit_download {
int download_status;
int download_progress;
size_t downloaded_size;
size_t http_content_size;
uint8_t file_hash[SHA256_HASH_SIZE];
};
static struct hawkbit_context {
int sock;
int32_t action_id;
uint8_t *response_data;
int32_t json_action_id;
struct hawkbit_download dl;
struct http_request http_req;
struct flash_img_context flash_ctx;
uint8_t url_buffer[URL_BUFFER_SIZE];
uint8_t status_buffer[STATUS_BUFFER_SIZE];
uint8_t recv_buf_tcp[RECV_BUFFER_SIZE];
enum hawkbit_response code_status;
bool final_data_received;
} hb_context;
static union {
struct hawkbit_dep_res dep;
struct hawkbit_ctl_res base;
struct hawkbit_cancel cancel;
} hawkbit_results;
static struct k_work_delayable hawkbit_work_handle;
static struct k_sem probe_sem;
static const struct json_obj_descr json_href_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_href, href, JSON_TOK_STRING),
};
static const struct json_obj_descr json_status_result_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_status_result, finished, JSON_TOK_STRING),
};
static const struct json_obj_descr json_status_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_status, execution, JSON_TOK_STRING),
JSON_OBJ_DESCR_OBJECT(struct hawkbit_status, result, json_status_result_descr),
};
static const struct json_obj_descr json_ctl_res_sleep_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_ctl_res_sleep, sleep, JSON_TOK_STRING),
};
static const struct json_obj_descr json_ctl_res_polling_descr[] = {
JSON_OBJ_DESCR_OBJECT(struct hawkbit_ctl_res_polling, polling, json_ctl_res_sleep_descr),
};
static const struct json_obj_descr json_ctl_res_links_descr[] = {
JSON_OBJ_DESCR_OBJECT(struct hawkbit_ctl_res_links, deploymentBase, json_href_descr),
JSON_OBJ_DESCR_OBJECT(struct hawkbit_ctl_res_links, cancelAction, json_href_descr),
JSON_OBJ_DESCR_OBJECT(struct hawkbit_ctl_res_links, configData, json_href_descr),
};
static const struct json_obj_descr json_ctl_res_descr[] = {
JSON_OBJ_DESCR_OBJECT(struct hawkbit_ctl_res, config, json_ctl_res_polling_descr),
JSON_OBJ_DESCR_OBJECT(struct hawkbit_ctl_res, _links, json_ctl_res_links_descr),
};
static const struct json_obj_descr json_cfg_data_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_cfg_data, VIN, JSON_TOK_STRING),
JSON_OBJ_DESCR_PRIM(struct hawkbit_cfg_data, hwRevision, JSON_TOK_STRING),
};
static const struct json_obj_descr json_cfg_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_cfg, mode, JSON_TOK_STRING),
JSON_OBJ_DESCR_OBJECT(struct hawkbit_cfg, data, json_cfg_data_descr),
JSON_OBJ_DESCR_PRIM(struct hawkbit_cfg, id, JSON_TOK_STRING),
JSON_OBJ_DESCR_PRIM(struct hawkbit_cfg, time, JSON_TOK_STRING),
JSON_OBJ_DESCR_OBJECT(struct hawkbit_cfg, status, json_status_descr),
};
static const struct json_obj_descr json_close_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_close, id, JSON_TOK_STRING),
JSON_OBJ_DESCR_PRIM(struct hawkbit_close, time, JSON_TOK_STRING),
JSON_OBJ_DESCR_OBJECT(struct hawkbit_close, status, json_status_descr),
};
static const struct json_obj_descr json_dep_res_hashes_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_res_hashes, sha1, JSON_TOK_STRING),
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_res_hashes, md5, JSON_TOK_STRING),
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_res_hashes, sha256, JSON_TOK_STRING),
};
static const struct json_obj_descr json_dep_res_links_descr[] = {
JSON_OBJ_DESCR_OBJECT_NAMED(struct hawkbit_dep_res_links, "download-http", download_http,
json_href_descr),
JSON_OBJ_DESCR_OBJECT_NAMED(struct hawkbit_dep_res_links, "md5sum-http", md5sum_http,
json_href_descr),
};
static const struct json_obj_descr json_dep_res_arts_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_res_arts, filename, JSON_TOK_STRING),
JSON_OBJ_DESCR_OBJECT(struct hawkbit_dep_res_arts, hashes, json_dep_res_hashes_descr),
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_res_arts, size, JSON_TOK_NUMBER),
JSON_OBJ_DESCR_OBJECT(struct hawkbit_dep_res_arts, _links, json_dep_res_links_descr),
};
static const struct json_obj_descr json_dep_res_chunk_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_res_chunk, part, JSON_TOK_STRING),
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_res_chunk, version, JSON_TOK_STRING),
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_res_chunk, name, JSON_TOK_STRING),
JSON_OBJ_DESCR_OBJ_ARRAY(struct hawkbit_dep_res_chunk, artifacts,
HAWKBIT_DEP_MAX_CHUNK_ARTS, num_artifacts, json_dep_res_arts_descr,
ARRAY_SIZE(json_dep_res_arts_descr)),
};
static const struct json_obj_descr json_dep_res_deploy_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_res_deploy, download, JSON_TOK_STRING),
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_res_deploy, update, JSON_TOK_STRING),
JSON_OBJ_DESCR_OBJ_ARRAY(struct hawkbit_dep_res_deploy, chunks, HAWKBIT_DEP_MAX_CHUNKS,
num_chunks, json_dep_res_chunk_descr,
ARRAY_SIZE(json_dep_res_chunk_descr)),
};
static const struct json_obj_descr json_dep_res_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_res, id, JSON_TOK_STRING),
JSON_OBJ_DESCR_OBJECT(struct hawkbit_dep_res, deployment, json_dep_res_deploy_descr),
};
static const struct json_obj_descr json_dep_fbk_descr[] = {
JSON_OBJ_DESCR_PRIM(struct hawkbit_dep_fbk, id, JSON_TOK_STRING),
JSON_OBJ_DESCR_OBJECT(struct hawkbit_dep_fbk, status, json_status_descr),
};
static bool start_http_client(void)
{
int ret = -1;
struct zsock_addrinfo *addr;
struct zsock_addrinfo hints;
int resolve_attempts = 10;
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
int protocol = IPPROTO_TLS_1_2;
#else
int protocol = IPPROTO_TCP;
#endif
(void)memset(&hints, 0, sizeof(hints));
if (IS_ENABLED(CONFIG_NET_IPV6)) {
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_STREAM;
} else if (IS_ENABLED(CONFIG_NET_IPV4)) {
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM;
}
while (resolve_attempts--) {
ret = zsock_getaddrinfo(CONFIG_HAWKBIT_SERVER, CONFIG_HAWKBIT_PORT, &hints, &addr);
if (ret == 0) {
break;
}
k_sleep(K_MSEC(1));
}
if (ret != 0) {
LOG_ERR("Failed to resolve dns: %d", ret);
return false;
}
hb_context.sock = zsock_socket(addr->ai_family, SOCK_STREAM, protocol);
if (hb_context.sock < 0) {
LOG_ERR("Failed to create TCP socket");
goto err;
}
#if defined(CONFIG_NET_SOCKETS_SOCKOPT_TLS)
sec_tag_t sec_tag_opt[] = {
CA_CERTIFICATE_TAG,
};
if (setsockopt(hb_context.sock, SOL_TLS, TLS_SEC_TAG_LIST, sec_tag_opt,
sizeof(sec_tag_opt)) < 0) {
LOG_ERR("Failed to set TLS_TAG option");
goto err_sock;
}
if (setsockopt(hb_context.sock, SOL_TLS, TLS_HOSTNAME, CONFIG_HAWKBIT_SERVER,
sizeof(CONFIG_HAWKBIT_SERVER)) < 0) {
goto err_sock;
}
#endif
if (zsock_connect(hb_context.sock, addr->ai_addr, addr->ai_addrlen) < 0) {
LOG_ERR("Failed to connect to server");
goto err_sock;
}
zsock_freeaddrinfo(addr);
return true;
err_sock:
zsock_close(hb_context.sock);
err:
zsock_freeaddrinfo(addr);
return false;
}
static void cleanup_connection(void)
{
if (zsock_close(hb_context.sock) < 0) {
LOG_ERR("Failed to close the socket");
}
}
static int hawkbit_time2sec(const char *s)
{
int sec;
/* Time: HH:MM:SS */
sec = strtol(s, NULL, 10) * (60 * 60);
sec += strtol(s + 3, NULL, 10) * 60;
sec += strtol(s + 6, NULL, 10);
if (sec < 0) {
return -1;
} else {
return sec;
}
}
static const char *hawkbit_status_finished(enum hawkbit_status_fini f)
{
switch (f) {
case HAWKBIT_STATUS_FINISHED_SUCCESS:
return "success";
case HAWKBIT_STATUS_FINISHED_FAILURE:
return "failure";
case HAWKBIT_STATUS_FINISHED_NONE:
return "none";
default:
LOG_ERR("%d is invalid", (int)f);
return NULL;
}
}
static const char *hawkbit_status_execution(enum hawkbit_status_exec e)
{
switch (e) {
case HAWKBIT_STATUS_EXEC_CLOSED:
return "closed";
case HAWKBIT_STATUS_EXEC_PROCEEDING:
return "proceeding";
case HAWKBIT_STATUS_EXEC_CANCELED:
return "canceled";
case HAWKBIT_STATUS_EXEC_SCHEDULED:
return "scheduled";
case HAWKBIT_STATUS_EXEC_REJECTED:
return "rejected";
case HAWKBIT_STATUS_EXEC_RESUMED:
return "resumed";
case HAWKBIT_STATUS_EXEC_NONE:
return "none";
default:
LOG_ERR("%d is invalid", (int)e);
return NULL;
}
}
static int hawkbit_device_acid_update(int32_t new_value)
{
int ret;
ret = nvs_write(&fs, ADDRESS_ID, &new_value, sizeof(new_value));
if (ret < 0) {
LOG_ERR("Failed to write device id: %d", ret);
return -EIO;
}
return 0;
}
/*
* Update sleep interval, based on results from hawkbit base polling
* resource
*/
static void hawkbit_update_sleep(struct hawkbit_ctl_res *hawkbit_res)
{
uint32_t sleep_time;
const char *sleep = hawkbit_res->config.polling.sleep;
if (strlen(sleep) != HAWKBIT_SLEEP_LENGTH) {
LOG_ERR("Invalid poll sleep: %s", sleep);
} else {
sleep_time = hawkbit_time2sec(sleep);
if (sleep_time > 0 && poll_sleep != (MSEC_PER_SEC * sleep_time)) {
LOG_DBG("New poll sleep %d seconds", sleep_time);
poll_sleep = sleep_time * MSEC_PER_SEC;
}
}
}
/*
* Find URL component for the device cancel operation and action id
*/
static int hawkbit_find_cancelAction_base(struct hawkbit_ctl_res *res, char *cancel_base)
{
size_t len;
const char *href;
char *helper, *endptr;
href = res->_links.cancelAction.href;
if (!href) {
*cancel_base = '\0';
return 0;
}
LOG_DBG("_links.%s.href=%s", "cancelAction", href);
helper = strstr(href, "cancelAction/");
if (!helper) {
/* A badly formatted cancel base is a server error */
LOG_ERR("Missing %s/ in href %s", "cancelAction", href);
return -EINVAL;
}
len = strlen(helper);
if (len > CANCEL_BASE_SIZE - 1) {
/* Lack of memory is an application error */
LOG_ERR("%s %s is too big (len %zu, max %zu)", "cancelAction", helper, len,
CANCEL_BASE_SIZE - 1);
return -ENOMEM;
}
strncpy(cancel_base, helper, CANCEL_BASE_SIZE);
helper = strtok(helper, "/");
if (helper == 0) {
return -EINVAL;
}
helper = strtok(NULL, "/");
if (helper == 0) {
return -EINVAL;
}
hb_context.action_id = strtol(helper, &endptr, 10);
if (hb_context.action_id <= 0) {
LOG_ERR("Invalid action_id: %d", hb_context.action_id);
return -EINVAL;
}
return 0;
}
/*
* Find URL component for the device's deployment operations
* resource
*/
static int hawkbit_find_deployment_base(struct hawkbit_ctl_res *res, char *deployment_base)
{
const char *href;
const char *helper;
size_t len;
href = res->_links.deploymentBase.href;
if (!href) {
*deployment_base = '\0';
return 0;
}
LOG_DBG("_links.%s.href=%s", "deploymentBase", href);
helper = strstr(href, "deploymentBase/");
if (!helper) {
/* A badly formatted deployment base is a server error */
LOG_ERR("Missing %s/ in href %s", "deploymentBase", href);
return -EINVAL;
}
len = strlen(helper);
if (len > DEPLOYMENT_BASE_SIZE - 1) {
/* Lack of memory is an application error */
LOG_ERR("%s %s is too big (len %zu, max %zu)", "deploymentBase", helper, len,
DEPLOYMENT_BASE_SIZE - 1);
return -ENOMEM;
}
strncpy(deployment_base, helper, DEPLOYMENT_BASE_SIZE);
return 0;
}
/*
* Find URL component for this device's deployment operations
* resource.
*/
static int hawkbit_parse_deployment(struct hawkbit_dep_res *res, int32_t *json_action_id,
char *download_http, int32_t *file_size)
{
int32_t size;
char *endptr;
const char *href;
const char *helper;
struct hawkbit_dep_res_chunk *chunk;
size_t len, num_chunks, num_artifacts;
struct hawkbit_dep_res_arts *artifact;
hb_context.action_id = strtol(res->id, &endptr, 10);
if (hb_context.action_id < 0) {
LOG_ERR("Invalid action_id: %d", hb_context.action_id);
return -EINVAL;
}
*json_action_id = hb_context.action_id;
num_chunks = res->deployment.num_chunks;
if (num_chunks != 1) {
LOG_ERR("Expecting 1 chunk (got %d)", num_chunks);
return -ENOSPC;
}
chunk = &res->deployment.chunks[0];
if (strcmp("bApp", chunk->part)) {
LOG_ERR("Only part 'bApp' is supported; got %s", chunk->part);
return -EINVAL;
}
num_artifacts = chunk->num_artifacts;
if (num_artifacts != 1) {
LOG_ERR("Expecting 1 artifact (got %d)", num_artifacts);
return -EINVAL;
}
artifact = &chunk->artifacts[0];
if (hex2bin(artifact->hashes.sha256, SHA256_HASH_SIZE << 1, hb_context.dl.file_hash,
sizeof(hb_context.dl.file_hash)) != SHA256_HASH_SIZE) {
return -EINVAL;
}
size = artifact->size;
if (size > SLOT1_SIZE) {
LOG_ERR("Artifact file size too big (got %d, max is %d)", size, SLOT1_SIZE);
return -ENOSPC;
}
/*
* Find the download-http href. We only support the DEFAULT
* tenant on the same hawkbit server.
*/
href = artifact->_links.download_http.href;
if (!href) {
LOG_ERR("Missing expected %s href", "download-http");
return -EINVAL;
}
helper = strstr(href, "/DEFAULT/controller/v1");
if (!helper) {
LOG_ERR("Unexpected %s href format: %s", "download-http", helper);
return -EINVAL;
}
len = strlen(helper);
if (len == 0) {
LOG_ERR("Empty %s", "download-http");
return -EINVAL;
} else if (len > DOWNLOAD_HTTP_SIZE - 1) {
LOG_ERR("%s %s is too big (len %zu, max %zu)", "download-http", helper, len,
DOWNLOAD_HTTP_SIZE - 1);
return -ENOMEM;
}
/* Success. */
strncpy(download_http, helper, DOWNLOAD_HTTP_SIZE);
*file_size = size;
return 0;
}
static void hawkbit_dump_deployment(struct hawkbit_dep_res *d)
{
struct hawkbit_dep_res_chunk *c = &d->deployment.chunks[0];
struct hawkbit_dep_res_arts *a = &c->artifacts[0];
struct hawkbit_dep_res_links *l = &a->_links;
LOG_DBG("%s=%s", "id", d->id);
LOG_DBG("%s=%s", "download", d->deployment.download);
LOG_DBG("%s=%s", "update", d->deployment.update);
LOG_DBG("chunks[0].%s=%s", "part", c->part);
LOG_DBG("chunks[0].%s=%s", "name", c->name);
LOG_DBG("chunks[0].%s=%s", "version", c->version);
LOG_DBG("chunks[0].artifacts[0].%s=%s", "filename", a->filename);
LOG_DBG("chunks[0].artifacts[0].%s=%s", "hashes.sha1", a->hashes.sha1);
LOG_DBG("chunks[0].artifacts[0].%s=%s", "hashes.md5", a->hashes.md5);
LOG_DBG("chunks[0].artifacts[0].%s=%s", "hashes.sha256", a->hashes.sha256);
LOG_DBG("chunks[0].size=%d", a->size);
LOG_DBG("%s=%s", "download-http", l->download_http.href);
LOG_DBG("%s=%s", "md5sum-http", l->md5sum_http.href);
}
int hawkbit_init(void)
{
bool image_ok;
int ret = 0, rc = 0;
struct flash_pages_info info;
int32_t action_id;
fs.flash_device = STORAGE_DEV;
if (!device_is_ready(fs.flash_device)) {
LOG_ERR("Flash device not ready");
return -ENODEV;
}
fs.offset = STORAGE_OFFSET;
rc = flash_get_page_info_by_offs(fs.flash_device, fs.offset, &info);
if (rc) {
LOG_ERR("Failed to get storage page info: %d", rc);
return -EIO;
}
fs.sector_size = info.size;
fs.sector_count = 3U;
rc = nvs_mount(&fs);
if (rc) {
LOG_ERR("Failed to mount storage flash: %d", rc);
return rc;
}
rc = nvs_read(&fs, ADDRESS_ID, &action_id, sizeof(action_id));
LOG_DBG("Current action_id: %d", action_id);
image_ok = boot_is_img_confirmed();
LOG_INF("Current image is%s confirmed", image_ok ? "" : " not");
if (!image_ok) {
ret = boot_write_img_confirmed();
if (ret < 0) {
LOG_ERR("Failed to confirm current image: %d", ret);
return ret;
}
LOG_DBG("Marked current image as OK");
ret = boot_erase_img_bank(FIXED_PARTITION_ID(SLOT1_LABEL));
if (ret) {
LOG_ERR("Failed to erase second slot: %d", ret);
return ret;
}
}
k_sem_init(&probe_sem, 1, 1);
return ret;
}
static int enum_for_http_req_string(char *userdata)
{
int i = 0;
char *name = http_request[i].http_req_str;
while (name) {
if (strcmp(name, userdata) == 0) {
return http_request[i].n;
}
name = http_request[++i].http_req_str;
}
return 0;
}
static void response_cb(struct http_response *rsp, enum http_final_call final_data, void *userdata)
{
static size_t body_len;
int ret, type, downloaded;
uint8_t *body_data = NULL, *rsp_tmp = NULL;
static size_t response_buffer_size = RESPONSE_BUFFER_SIZE;
type = enum_for_http_req_string(userdata);
if (rsp->http_status_code != 200) {
LOG_ERR("HTTP request denied (%s): %d", (char *)userdata, rsp->http_status_code);
if (rsp->http_status_code == 401 || rsp->http_status_code == 403) {
hb_context.code_status = HAWKBIT_PERMISSION_ERROR;
} else {
hb_context.code_status = HAWKBIT_METADATA_ERROR;
}
return;
}
switch (type) {
case HAWKBIT_PROBE:
if (hb_context.dl.http_content_size == 0) {
hb_context.dl.http_content_size = rsp->content_length;
}
if (rsp->body_found) {
body_data = rsp->body_frag_start;
body_len = rsp->body_frag_len;
if ((hb_context.dl.downloaded_size + body_len) > response_buffer_size) {
response_buffer_size <<= 1;
rsp_tmp = realloc(hb_context.response_data, response_buffer_size);
if (rsp_tmp == NULL) {
LOG_ERR("Failed to realloc memory");
hb_context.code_status = HAWKBIT_METADATA_ERROR;
break;
}
hb_context.response_data = rsp_tmp;
}
strncpy(hb_context.response_data + hb_context.dl.downloaded_size, body_data,
body_len);
hb_context.dl.downloaded_size += body_len;
}
if (final_data == HTTP_DATA_FINAL) {
if (hb_context.dl.http_content_size != hb_context.dl.downloaded_size) {
LOG_ERR("HTTP response len mismatch, expected %d, got %d",
hb_context.dl.http_content_size,
hb_context.dl.downloaded_size);
hb_context.code_status = HAWKBIT_METADATA_ERROR;
break;
}
hb_context.response_data[hb_context.dl.downloaded_size] = '\0';
ret = json_obj_parse(hb_context.response_data,
hb_context.dl.downloaded_size, json_ctl_res_descr,
ARRAY_SIZE(json_ctl_res_descr), &hawkbit_results.base);
if (ret < 0) {
LOG_ERR("JSON parse error (%s): %d", "HAWKBIT_PROBE", ret);
hb_context.code_status = HAWKBIT_METADATA_ERROR;
}
}
break;
case HAWKBIT_CLOSE:
case HAWKBIT_REPORT:
case HAWKBIT_CONFIG_DEVICE:
break;
case HAWKBIT_PROBE_DEPLOYMENT_BASE:
if (hb_context.dl.http_content_size == 0) {
hb_context.dl.http_content_size = rsp->content_length;
}
if (rsp->body_found) {
body_data = rsp->body_frag_start;
body_len = rsp->body_frag_len;
if ((hb_context.dl.downloaded_size + body_len) > response_buffer_size) {
response_buffer_size <<= 1;
rsp_tmp = realloc(hb_context.response_data, response_buffer_size);
if (rsp_tmp == NULL) {
LOG_ERR("Failed to realloc memory");
hb_context.code_status = HAWKBIT_METADATA_ERROR;
break;
}
hb_context.response_data = rsp_tmp;
}
strncpy(hb_context.response_data + hb_context.dl.downloaded_size, body_data,
body_len);
hb_context.dl.downloaded_size += body_len;
}
if (final_data == HTTP_DATA_FINAL) {
if (hb_context.dl.http_content_size != hb_context.dl.downloaded_size) {
LOG_ERR("HTTP response len mismatch, expected %d, got %d",
hb_context.dl.http_content_size,
hb_context.dl.downloaded_size);
hb_context.code_status = HAWKBIT_METADATA_ERROR;
break;
}
hb_context.response_data[hb_context.dl.downloaded_size] = '\0';
ret = json_obj_parse(hb_context.response_data,
hb_context.dl.downloaded_size, json_dep_res_descr,
ARRAY_SIZE(json_dep_res_descr), &hawkbit_results.dep);
if (ret < 0) {
LOG_ERR("JSON parse error (%s): %d", "deploymentBase", ret);
hb_context.code_status = HAWKBIT_METADATA_ERROR;
}
}
break;
case HAWKBIT_DOWNLOAD:
if (hb_context.dl.http_content_size == 0) {
hb_context.dl.http_content_size = rsp->content_length;
}
if (rsp->body_found) {
body_data = rsp->body_frag_start;
body_len = rsp->body_frag_len;
ret = flash_img_buffered_write(&hb_context.flash_ctx, body_data, body_len,
final_data == HTTP_DATA_FINAL);
if (ret < 0) {
LOG_ERR("Failed to write flash: %d", ret);
hb_context.code_status = HAWKBIT_DOWNLOAD_ERROR;
break;
}
}
hb_context.dl.downloaded_size = flash_img_bytes_written(&hb_context.flash_ctx);
downloaded = hb_context.dl.downloaded_size * 100 / hb_context.dl.http_content_size;
if (downloaded > hb_context.dl.download_progress) {
hb_context.dl.download_progress = downloaded;
LOG_DBG("Downloaded: %d%% ", hb_context.dl.download_progress);
}
if (final_data == HTTP_DATA_FINAL) {
hb_context.final_data_received = true;
}
break;
}
}
static bool send_request(enum http_method method, enum hawkbit_http_request type,
enum hawkbit_status_fini finished, enum hawkbit_status_exec execution)
{
int ret = 0;
struct hawkbit_cfg cfg;
struct hawkbit_close close;
struct hawkbit_dep_fbk feedback;
char acid[11];
const char *fini = hawkbit_status_finished(finished);
const char *exec = hawkbit_status_execution(execution);
char device_id[DEVICE_ID_HEX_MAX_SIZE] = { 0 };
#ifndef CONFIG_HAWKBIT_DDI_NO_SECURITY
static const char *const headers[] = {
#ifdef CONFIG_HAWKBIT_DDI_GATEWAY_SECURITY
"Authorization: GatewayToken " CONFIG_HAWKBIT_DDI_SECURITY_TOKEN "\r\n",
#else
"Authorization: TargetToken " CONFIG_HAWKBIT_DDI_SECURITY_TOKEN "\r\n",
#endif /* CONFIG_HAWKBIT_DDI_GATEWAY_SECURITY */
NULL
};
#endif /* CONFIG_HAWKBIT_DDI_NO_SECURITY */
if (!hawkbit_get_device_identity(device_id, DEVICE_ID_HEX_MAX_SIZE)) {
hb_context.code_status = HAWKBIT_METADATA_ERROR;
}
memset(&hb_context.http_req, 0, sizeof(hb_context.http_req));
memset(&hb_context.recv_buf_tcp, 0, sizeof(hb_context.recv_buf_tcp));
hb_context.http_req.url = hb_context.url_buffer;
hb_context.http_req.method = method;
hb_context.http_req.host = CONFIG_HAWKBIT_SERVER;
hb_context.http_req.port = CONFIG_HAWKBIT_PORT;
hb_context.http_req.protocol = "HTTP/1.1";
hb_context.http_req.response = response_cb;
hb_context.http_req.recv_buf = hb_context.recv_buf_tcp;
hb_context.http_req.recv_buf_len = sizeof(hb_context.recv_buf_tcp);
#ifndef CONFIG_HAWKBIT_DDI_NO_SECURITY
hb_context.http_req.header_fields = (const char **)headers;
#endif
hb_context.final_data_received = false;
switch (type) {
case HAWKBIT_PROBE:
ret = http_client_req(hb_context.sock, &hb_context.http_req, HAWKBIT_RECV_TIMEOUT,
"HAWKBIT_PROBE");
if (ret < 0) {
LOG_ERR("Unable to send HTTP request (%s): %d", "HAWKBIT_PROBE", ret);
return false;
}
break;
case HAWKBIT_CONFIG_DEVICE:
memset(&cfg, 0, sizeof(cfg));
cfg.mode = "merge";
cfg.data.VIN = device_id;
cfg.data.hwRevision = "3";
cfg.id = "";
cfg.time = "";
cfg.status.execution = exec;
cfg.status.result.finished = fini;
ret = json_obj_encode_buf(json_cfg_descr, ARRAY_SIZE(json_cfg_descr), &cfg,
hb_context.status_buffer,
sizeof(hb_context.status_buffer));
if (ret) {
LOG_ERR("Can't encode the JSON script (%s): %d", "HAWKBIT_CONFIG_DEVICE",
ret);
return false;
}
hb_context.http_req.content_type_value = HTTP_HEADER_CONTENT_TYPE_JSON;
hb_context.http_req.payload = hb_context.status_buffer;
hb_context.http_req.payload_len = strlen(hb_context.status_buffer);
ret = http_client_req(hb_context.sock, &hb_context.http_req, HAWKBIT_RECV_TIMEOUT,
"HAWKBIT_CONFIG_DEVICE");
if (ret < 0) {
LOG_ERR("Unable to send HTTP request (%s): %d", "HAWKBIT_CONFIG_DEVICE",
ret);
return false;
}
break;
case HAWKBIT_CLOSE:
memset(&close, 0, sizeof(close));
memset(&hb_context.status_buffer, 0, sizeof(hb_context.status_buffer));
snprintk(acid, sizeof(acid), "%d", hb_context.action_id);
close.id = acid;
close.time = "";
close.status.execution = exec;
close.status.result.finished = fini;
ret = json_obj_encode_buf(json_close_descr, ARRAY_SIZE(json_close_descr), &close,
hb_context.status_buffer,
sizeof(hb_context.status_buffer));
if (ret) {
LOG_ERR("Can't encode the JSON script (%s): %d", "HAWKBIT_CLOSE", ret);
return false;
}
hb_context.http_req.content_type_value = HTTP_HEADER_CONTENT_TYPE_JSON;
hb_context.http_req.payload = hb_context.status_buffer;
hb_context.http_req.payload_len = strlen(hb_context.status_buffer);
ret = http_client_req(hb_context.sock, &hb_context.http_req, HAWKBIT_RECV_TIMEOUT,
"HAWKBIT_CLOSE");
if (ret < 0) {
LOG_ERR("Unable to send HTTP request (%s): %d", "HAWKBIT_CLOSE", ret);
return false;
}
break;
case HAWKBIT_PROBE_DEPLOYMENT_BASE:
hb_context.http_req.content_type_value = NULL;
ret = http_client_req(hb_context.sock, &hb_context.http_req, HAWKBIT_RECV_TIMEOUT,
"HAWKBIT_PROBE_DEPLOYMENT_BASE");
if (ret < 0) {
LOG_ERR("Unable to send HTTP request (%s): %d",
"HAWKBIT_PROBE_DEPLOYMENT_BASE", ret);
return false;
}
break;
case HAWKBIT_REPORT:
if (!fini || !exec) {
return -EINVAL;
}
LOG_INF("Reporting deployment feedback %s (%s) for action %d", fini, exec,
hb_context.json_action_id);
/* Build JSON */
memset(&feedback, 0, sizeof(feedback));
snprintk(acid, sizeof(acid), "%d", hb_context.json_action_id);
feedback.id = acid;
feedback.status.result.finished = fini;
feedback.status.execution = exec;
ret = json_obj_encode_buf(json_dep_fbk_descr, ARRAY_SIZE(json_dep_fbk_descr),
&feedback, hb_context.status_buffer,
sizeof(hb_context.status_buffer));
if (ret) {
LOG_ERR("Can't encode the JSON script (%s): %d", "HAWKBIT_REPORT", ret);
return ret;
}
hb_context.http_req.content_type_value = HTTP_HEADER_CONTENT_TYPE_JSON;
hb_context.http_req.payload = hb_context.status_buffer;
hb_context.http_req.payload_len = strlen(hb_context.status_buffer);
ret = http_client_req(hb_context.sock, &hb_context.http_req, HAWKBIT_RECV_TIMEOUT,
"HAWKBIT_REPORT");
if (ret < 0) {
LOG_ERR("Unable to send HTTP request (%s): %d", "HAWKBIT_REPORT", ret);
return false;
}
break;
case HAWKBIT_DOWNLOAD:
ret = http_client_req(hb_context.sock, &hb_context.http_req, HAWKBIT_RECV_TIMEOUT,
"HAWKBIT_DOWNLOAD");
if (ret < 0) {
LOG_ERR("Unable to send HTTP request (%s): %d", "HAWKBIT_DOWNLOAD", ret);
return false;
}
break;
}
return true;
}
enum hawkbit_response hawkbit_probe(void)
{
int ret;
int32_t action_id;
int32_t file_size = 0;
struct flash_img_check fic;
char device_id[DEVICE_ID_HEX_MAX_SIZE] = { 0 },
cancel_base[CANCEL_BASE_SIZE] = { 0 },
download_http[DOWNLOAD_HTTP_SIZE] = { 0 },
deployment_base[DEPLOYMENT_BASE_SIZE] = { 0 },
firmware_version[BOOT_IMG_VER_STRLEN_MAX] = { 0 };
if (k_sem_take(&probe_sem, K_NO_WAIT) != 0) {
return HAWKBIT_PROBE_IN_PROGRESS;
}
memset(&hb_context, 0, sizeof(hb_context));
hb_context.response_data = malloc(RESPONSE_BUFFER_SIZE);
if (!boot_is_img_confirmed()) {
LOG_ERR("Current image is not confirmed");
hb_context.code_status = HAWKBIT_UNCONFIRMED_IMAGE;
goto error;
}
if (!hawkbit_get_firmware_version(firmware_version, BOOT_IMG_VER_STRLEN_MAX)) {
hb_context.code_status = HAWKBIT_METADATA_ERROR;
goto error;
}
if (!hawkbit_get_device_identity(device_id, DEVICE_ID_HEX_MAX_SIZE)) {
hb_context.code_status = HAWKBIT_METADATA_ERROR;
goto error;
}
if (!start_http_client()) {
hb_context.code_status = HAWKBIT_NETWORKING_ERROR;
goto error;
}
/*
* Query the hawkbit base polling resource.
*/
LOG_INF("Polling target data from hawkBit");
memset(hb_context.url_buffer, 0, sizeof(hb_context.url_buffer));
hb_context.dl.http_content_size = 0;
hb_context.dl.downloaded_size = 0;
snprintk(hb_context.url_buffer, sizeof(hb_context.url_buffer), "%s/%s-%s",
HAWKBIT_JSON_URL, CONFIG_BOARD, device_id);
memset(&hawkbit_results.base, 0, sizeof(hawkbit_results.base));
if (!send_request(HTTP_GET, HAWKBIT_PROBE, HAWKBIT_STATUS_FINISHED_NONE,
HAWKBIT_STATUS_EXEC_NONE)) {
LOG_ERR("Send request failed (%s)", "HAWKBIT_PROBE");
hb_context.code_status = HAWKBIT_NETWORKING_ERROR;
goto cleanup;
}
if (hb_context.code_status == HAWKBIT_METADATA_ERROR ||
hb_context.code_status == HAWKBIT_PERMISSION_ERROR) {
goto cleanup;
}
if (hawkbit_results.base.config.polling.sleep) {
/* Update the sleep time. */
hawkbit_update_sleep(&hawkbit_results.base);
LOG_DBG("config.polling.sleep=%s", hawkbit_results.base.config.polling.sleep);
}
if (hawkbit_results.base._links.cancelAction.href) {
ret = hawkbit_find_cancelAction_base(&hawkbit_results.base, cancel_base);
memset(hb_context.url_buffer, 0, sizeof(hb_context.url_buffer));
hb_context.dl.http_content_size = 0;
snprintk(hb_context.url_buffer, sizeof(hb_context.url_buffer),
"%s/%s-%s/%s/feedback", HAWKBIT_JSON_URL, CONFIG_BOARD, device_id,
cancel_base);
memset(&hawkbit_results.cancel, 0, sizeof(hawkbit_results.cancel));
if (!send_request(HTTP_POST, HAWKBIT_CLOSE, HAWKBIT_STATUS_FINISHED_SUCCESS,
HAWKBIT_STATUS_EXEC_CLOSED)) {
LOG_ERR("Send request failed (%s)", "HAWKBIT_CLOSE");
hb_context.code_status = HAWKBIT_NETWORKING_ERROR;
goto cleanup;
}
hb_context.code_status = HAWKBIT_CANCEL_UPDATE;
goto cleanup;
}
if (hawkbit_results.base._links.configData.href) {
LOG_DBG("_links.%s.href=%s", "configData",
hawkbit_results.base._links.configData.href);
memset(hb_context.url_buffer, 0, sizeof(hb_context.url_buffer));
hb_context.dl.http_content_size = 0;
snprintk(hb_context.url_buffer, sizeof(hb_context.url_buffer), "%s/%s-%s/%s",
HAWKBIT_JSON_URL, CONFIG_BOARD, device_id, "configData");
if (!send_request(HTTP_PUT, HAWKBIT_CONFIG_DEVICE, HAWKBIT_STATUS_FINISHED_SUCCESS,
HAWKBIT_STATUS_EXEC_CLOSED)) {
LOG_ERR("Send request failed (%s)", "HAWKBIT_CONFIG_DEVICE");
hb_context.code_status = HAWKBIT_NETWORKING_ERROR;
goto cleanup;
}
}
ret = hawkbit_find_deployment_base(&hawkbit_results.base, deployment_base);
if (ret < 0) {
hb_context.code_status = HAWKBIT_METADATA_ERROR;
LOG_ERR("Unable to find URL for the device's deploymentBase: %d", ret);
goto cleanup;
}
if (strlen(deployment_base) == 0) {
hb_context.code_status = HAWKBIT_NO_UPDATE;
goto cleanup;
}
memset(hb_context.url_buffer, 0, sizeof(hb_context.url_buffer));
hb_context.dl.http_content_size = 0;
hb_context.dl.downloaded_size = 0;
snprintk(hb_context.url_buffer, sizeof(hb_context.url_buffer), "%s/%s-%s/%s",
HAWKBIT_JSON_URL, CONFIG_BOARD, device_id, deployment_base);
memset(&hawkbit_results.dep, 0, sizeof(hawkbit_results.dep));
memset(hb_context.response_data, 0, RESPONSE_BUFFER_SIZE);
if (!send_request(HTTP_GET, HAWKBIT_PROBE_DEPLOYMENT_BASE, HAWKBIT_STATUS_FINISHED_NONE,
HAWKBIT_STATUS_EXEC_NONE)) {
LOG_ERR("Send request failed (%s)", "HAWKBIT_PROBE_DEPLOYMENT_BASE");
hb_context.code_status = HAWKBIT_NETWORKING_ERROR;
goto cleanup;
}
if (hb_context.code_status == HAWKBIT_METADATA_ERROR) {
goto cleanup;
}
hawkbit_dump_deployment(&hawkbit_results.dep);
hb_context.dl.http_content_size = 0;
ret = hawkbit_parse_deployment(&hawkbit_results.dep, &hb_context.json_action_id,
download_http, &file_size);
if (ret < 0) {
LOG_ERR("Failed to parse deploymentBase: %d", ret);
goto cleanup;
}
nvs_read(&fs, ADDRESS_ID, &action_id, sizeof(action_id));
if (action_id == (int32_t)hb_context.json_action_id) {
LOG_INF("Preventing repeated attempt to install %d", hb_context.json_action_id);
hb_context.dl.http_content_size = 0;
memset(hb_context.url_buffer, 0, sizeof(hb_context.url_buffer));
snprintk(hb_context.url_buffer, sizeof(hb_context.url_buffer),
"%s/%s-%s/%s/%d/feedback", HAWKBIT_JSON_URL, CONFIG_BOARD,
device_id, "deploymentBase", hb_context.json_action_id);
if (!send_request(HTTP_POST, HAWKBIT_REPORT, HAWKBIT_STATUS_FINISHED_SUCCESS,
HAWKBIT_STATUS_EXEC_CLOSED)) {
LOG_ERR("Send request failed (%s)", "HAWKBIT_REPORT");
hb_context.code_status = HAWKBIT_NETWORKING_ERROR;
goto cleanup;
}
hb_context.code_status = HAWKBIT_OK;
goto cleanup;
}
LOG_INF("Ready to install update");
hb_context.dl.http_content_size = 0;
memset(hb_context.url_buffer, 0, sizeof(hb_context.url_buffer));
snprintk(hb_context.url_buffer, sizeof(hb_context.url_buffer), "%s", download_http);
flash_img_init(&hb_context.flash_ctx);
if (!send_request(HTTP_GET, HAWKBIT_DOWNLOAD, HAWKBIT_STATUS_FINISHED_NONE,
HAWKBIT_STATUS_EXEC_NONE)) {
LOG_ERR("Send request failed (%s)", "HAWKBIT_DOWNLOAD");
hb_context.code_status = HAWKBIT_NETWORKING_ERROR;
goto cleanup;
}
if (hb_context.code_status == HAWKBIT_DOWNLOAD_ERROR) {
goto cleanup;
}
/* Check if download finished */
if (!hb_context.final_data_received) {
LOG_ERR("Download incomplete");
hb_context.code_status = HAWKBIT_DOWNLOAD_ERROR;
goto cleanup;
}
/* Verify the hash of the stored firmware */
fic.match = hb_context.dl.file_hash;
fic.clen = hb_context.dl.downloaded_size;
if (flash_img_check(&hb_context.flash_ctx, &fic, FIXED_PARTITION_ID(SLOT1_LABEL))) {
LOG_ERR("Failed to validate stored firmware");
hb_context.code_status = HAWKBIT_DOWNLOAD_ERROR;
goto cleanup;
}
/* Request mcuboot to upgrade */
if (boot_request_upgrade(BOOT_UPGRADE_TEST)) {
LOG_ERR("Failed to mark the image in slot 1 as pending");
hb_context.code_status = HAWKBIT_DOWNLOAD_ERROR;
goto cleanup;
}
/* If everything is successful */
hb_context.code_status = HAWKBIT_UPDATE_INSTALLED;
hawkbit_device_acid_update(hb_context.json_action_id);
hb_context.dl.http_content_size = 0;
cleanup:
cleanup_connection();
error:
free(hb_context.response_data);
k_sem_give(&probe_sem);
return hb_context.code_status;
}
static void autohandler(struct k_work *work)
{
switch (hawkbit_probe()) {
case HAWKBIT_UNCONFIRMED_IMAGE:
LOG_ERR("Current image is not confirmed");
LOG_ERR("Rebooting to previous confirmed image");
LOG_ERR("If this image is flashed using a hardware tool");
LOG_ERR("Make sure that it is a confirmed image");
k_sleep(K_SECONDS(1));
sys_reboot(SYS_REBOOT_WARM);
break;
case HAWKBIT_NO_UPDATE:
LOG_INF("No update found");
break;
case HAWKBIT_CANCEL_UPDATE:
LOG_INF("hawkBit update cancelled from server");
break;
case HAWKBIT_OK:
LOG_INF("Image is already updated");
break;
case HAWKBIT_UPDATE_INSTALLED:
LOG_INF("Update installed, please reboot");
break;
case HAWKBIT_DOWNLOAD_ERROR:
LOG_INF("Update failed");
break;
case HAWKBIT_NETWORKING_ERROR:
LOG_INF("Network error");
break;
case HAWKBIT_PERMISSION_ERROR:
LOG_INF("Permission error");
break;
case HAWKBIT_METADATA_ERROR:
LOG_INF("Metadata error");
break;
case HAWKBIT_PROBE_IN_PROGRESS:
LOG_INF("hawkBit is already running");
break;
}
k_work_reschedule(&hawkbit_work_handle, K_MSEC(poll_sleep));
}
void hawkbit_autohandler(void)
{
k_work_init_delayable(&hawkbit_work_handle, autohandler);
k_work_reschedule(&hawkbit_work_handle, K_NO_WAIT);
}