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Add mutual SSL auth config to mqtt_client

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Riccardo Binetti
2018-08-06 16:29:41 +02:00
parent b930438e3d
commit 8e8cf28bca
3 changed files with 10 additions and 0 deletions
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2
README.md
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@ -96,6 +96,8 @@ const esp_mqtt_client_config_t mqtt_cfg = {
- `task_prio, task_stack` for MQTT task, default priority is 5, and task_stack = 6144 bytes (or default task stack can be set via `make menucofig`).
- `buffer_size` for MQTT send/receive buffer, default is 1024
- `cert_pem` pointer to CERT file for server verify (with SSL), default is NULL, not required to verify the server
- `client_cert_pem` pointer to CERT file for SSL mutual authentication, default is NULL, not required if mutual authentication is not needed. If it is not NULL, also `client_key_pem` has to be provided.
- `client_key_pem` pointer to PEM private key file for SSL mutual authentication, default is NULL, not required if mutual authentication is not needed. If it is not NULL, also `client_cert_pem` has to be provided.
- `transport`: override URI transport
+ `MQTT_TRANSPORT_OVER_TCP`: MQTT over TCP, using scheme: `mqtt`
+ `MQTT_TRANSPORT_OVER_SSL`: MQTT over SSL, using scheme: `mqtts`

2
include/mqtt_client.h
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@ -77,6 +77,8 @@ typedef struct {
int task_stack;
int buffer_size;
const char *cert_pem;
const char *client_cert_pem;
const char *client_key_pem;
esp_mqtt_transport_t transport;
} esp_mqtt_client_config_t;

6
mqtt_client.c
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@ -299,6 +299,12 @@ esp_mqtt_client_handle_t esp_mqtt_client_init(const esp_mqtt_client_config_t *co
if (config->cert_pem) {
transport_ssl_set_cert_data(ssl, config->cert_pem, strlen(config->cert_pem));
}
if (config->client_cert_pem) {
transport_ssl_set_client_cert_data(ssl, config->client_cert_pem, strlen(config->client_cert_pem));
}
if (config->client_key_pem) {
transport_ssl_set_client_key_data(ssl, config->client_key_pem, strlen(config->client_key_pem));
}
transport_list_add(client->transport_list, ssl, "mqtts");
if (config->transport == MQTT_TRANSPORT_OVER_SSL) {
client->config->scheme = create_string("mqtts", 5);