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Merge branch 'feature/https_server_mutual_auth_PR' into 'master'

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Feature/https_server_mutual_auth

Closes IDFGH-2004

See merge request espressif/esp-idf!7626
This commit is contained in:
Mahavir Jain 2020-03-04 17:41:28 +08:00
parent 5724083510 cc0eec52ff
commit 582f5dd697
2 changed files with 32 additions and 1 deletions
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14
components/esp_https_server/include/esp_https_server.h
View file

@ -41,12 +41,22 @@ struct httpd_ssl_config {
*/
httpd_config_t httpd;
/** CA certificate */
/** CA certificate (here it is treated as server cert)
* Todo: Fix this change in release/v5.0 as it would be a breaking change
* i.e. Rename the nomenclature of variables holding different certs in https_server component as well as example
* 1)The cacert variable should hold the CA which is used to authenticate clients (should inherit current role of client_verify_cert_pem var)
* 2)There should be another variable servercert which whould hold servers own certificate (should inherit current role of cacert var) */
const uint8_t *cacert_pem;
/** CA certificate byte length */
size_t cacert_len;
/** Client verify authority certificate (CA used to sign clients, or client cert itself */
const uint8_t *client_verify_cert_pem;
/** Client verify authority cert len */
size_t client_verify_cert_len;
/** Private key */
const uint8_t *prvtkey_pem;
@ -102,6 +112,8 @@ typedef struct httpd_ssl_config httpd_ssl_config_t;
.cacert_len = 0, \
.prvtkey_pem = NULL, \
.prvtkey_len = 0, \
.client_verify_cert_pem = NULL, \
.client_verify_cert_len = 0, \
.transport_mode = HTTPD_SSL_TRANSPORT_SECURE, \
.port_secure = 443, \
.port_insecure = 80, \

19
components/esp_https_server/src/https_server.c
View file

@ -135,6 +135,9 @@ static void free_secure_context(void *ctx)
assert(ctx != NULL);
esp_tls_cfg_server_t *cfg = (esp_tls_cfg_server_t *)ctx;
ESP_LOGI(TAG, "Server shuts down, releasing SSL context");
if (cfg->cacert_buf) {
free((void *)cfg->cacert_buf);
}
if (cfg->servercert_buf) {
free((void *)cfg->servercert_buf);
}
@ -150,8 +153,22 @@ static esp_tls_cfg_server_t *create_secure_context(const struct httpd_ssl_config
if (!cfg) {
return NULL;
}
/* cacert = CA which signs client cert, or client cert itself , which is mapped to client_verify_cert_pem */
if(config->client_verify_cert_pem != NULL) {
cfg->cacert_buf = (unsigned char *)malloc(config->client_verify_cert_len);
if (!cfg->cacert_buf) {
ESP_LOGE(TAG, "Could not allocate memory");
free(cfg);
return NULL;
}
memcpy((char *)cfg->cacert_buf, config->client_verify_cert_pem, config->client_verify_cert_len);
cfg->cacert_bytes = config->client_verify_cert_len;
}
/* servercert = cert of server itself ( in our case it is mapped to cacert in https_server example) */
cfg->servercert_buf = (unsigned char *)malloc(config->cacert_len);
if (!cfg->servercert_buf) {
ESP_LOGE(TAG, "Could not allocate memory");
free((void *)cfg->cacert_buf);
free(cfg);
return NULL;
}
@ -160,7 +177,9 @@ static esp_tls_cfg_server_t *create_secure_context(const struct httpd_ssl_config
cfg->serverkey_buf = (unsigned char *)malloc(config->prvtkey_len);
if (!cfg->serverkey_buf) {
ESP_LOGE(TAG, "Could not allocate memory");
free((void *)cfg->servercert_buf);
free((void *)cfg->cacert_buf);
free(cfg);
return NULL;
}