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MQTT: update default broker URL for examples

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The MQTT broker URL used as default in the examples has ceased operation. All examples and documention have been updated to point to the new domain mqtt.eclipse.org.
This also required an update of the python example test scripts to use TLS 1.2
This commit is contained in:
Marius Vikhammer 2019-09-27 09:35:26 +08:00 committed by bot
parent 2e6398affa
commit c6934d6175
26 changed files with 54 additions and 56 deletions
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3
components/mqtt/weekend_test/mqtt_publish_test.py
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@ -80,13 +80,12 @@ def test_single_config(dut, transport, qos, repeat, published):
try:
if transport in ["ws", "wss"]:
client = mqtt.Client(transport="websockets")
client.ws_set_options(path="/ws", headers=None)
else:
client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message
if transport in ["ssl", "wss"]:
client.tls_set(None, None, None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1, ciphers=None)
client.tls_set(None, None, None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1_2, ciphers=None)
client.tls_insecure_set(True)
print("Connecting...")
client.connect(broker_host[transport], broker_port[transport], 60)

28
docs/en/api-reference/protocols/mqtt.rst
View File

@ -32,30 +32,30 @@ URI
- Curently support ``mqtt``, ``mqtts``, ``ws``, ``wss`` schemes
- MQTT over TCP samples:
- ``mqtt://iot.eclipse.org``: MQTT over TCP, default port 1883:
- ``mqtt://iot.eclipse.org:1884`` MQTT over TCP, port 1884:
- ``mqtt://username:password@iot.eclipse.org:1884`` MQTT over TCP,
- ``mqtt://mqtt.eclipse.org``: MQTT over TCP, default port 1883:
- ``mqtt://mqtt.eclipse.org:1884`` MQTT over TCP, port 1884:
- ``mqtt://username:password@mqtt.eclipse.org:1884`` MQTT over TCP,
port 1884, with username and password
- MQTT over SSL samples:
- ``mqtts://iot.eclipse.org``: MQTT over SSL, port 8883
- ``mqtts://iot.eclipse.org:8884``: MQTT over SSL, port 8884
- ``mqtts://mqtt.eclipse.org``: MQTT over SSL, port 8883
- ``mqtts://mqtt.eclipse.org:8884``: MQTT over SSL, port 8884
- MQTT over Websocket samples:
- ``ws://iot.eclipse.org:80/ws``
- ``ws://mqtt.eclipse.org:80/mqtt``
- MQTT over Websocket Secure samples:
- ``wss://iot.eclipse.org:443/ws``
- ``wss://mqtt.eclipse.org:443/mqtt``
- Minimal configurations:
.. code:: c
const esp_mqtt_client_config_t mqtt_cfg = {
.uri = "mqtt://iot.eclipse.org",
.uri = "mqtt://mqtt.eclipse.org",
// .user_context = (void *)your_context
};
esp_mqtt_client_handle_t client = esp_mqtt_client_init(&mqtt_cfg);
@ -71,25 +71,25 @@ URI
.. code:: c
const esp_mqtt_client_config_t mqtt_cfg = {
.uri = "mqtt://iot.eclipse.org:1234",
.uri = "mqtt://mqtt.eclipse.org:1234",
.port = 4567,
};
//MQTT client will connect to iot.eclipse.org using port 4567
//MQTT client will connect to mqtt.eclipse.org using port 4567
SSL
^^^
- Get certificate from server, example: ``iot.eclipse.org``
``openssl s_client -showcerts -connect iot.eclipse.org:8883 </dev/null 2>/dev/null|openssl x509 -outform PEM >iot_eclipse_org.pem``
- Get certificate from server, example: ``mqtt.eclipse.org``
``openssl s_client -showcerts -connect mqtt.eclipse.org:8883 </dev/null 2>/dev/null|openssl x509 -outform PEM >mqtt_eclipse_org.pem``
- Check the sample application: ``examples/mqtt_ssl``
- Configuration:
.. code:: cpp
const esp_mqtt_client_config_t mqtt_cfg = {
.uri = "mqtts://iot.eclipse.org:8883",
.uri = "mqtts://mqtt.eclipse.org:8883",
.event_handle = mqtt_event_handler,
.cert_pem = (const char *)iot_eclipse_org_pem_start,
.cert_pem = (const char *)mqtt_eclipse_org_pem_start,
};
For more options on ``esp_mqtt_client_config_t``, please refer to API reference below

2
examples/protocols/mqtt/publish_test/CMakeLists.txt
View File

@ -10,4 +10,4 @@ include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(mqtt_publish)
target_add_binary_data(mqtt_publish.elf "main/iot_eclipse_org.pem" TEXT)
target_add_binary_data(mqtt_publish.elf "main/mqtt_eclipse_org.pem" TEXT)

8
examples/protocols/mqtt/publish_test/main/Kconfig.projbuild
View File

@ -2,25 +2,25 @@ menu "Example Configuration"
config EXAMPLE_BROKER_SSL_URI
string "Broker SSL URL"
default "mqtts://iot.eclipse.org:8883"
default "mqtts://mqtt.eclipse.org:8883"
help
URL of an mqtt broker for ssl transport
config EXAMPLE_BROKER_TCP_URI
string "Broker TCP URL"
default "mqtt://iot.eclipse.org:1883"
default "mqtt://mqtt.eclipse.org:1883"
help
URL of an mqtt broker for tcp transport
config EXAMPLE_BROKER_WS_URI
string "Broker WS URL"
default "ws://iot.eclipse.org:80/ws"
default "ws://mqtt.eclipse.org:80/mqtt"
help
URL of an mqtt broker for ws transport
config EXAMPLE_BROKER_WSS_URI
string "Broker WSS URL"
default "wss://iot.eclipse.org:443/ws"
default "wss://mqtt.eclipse.org:443/mqtt"
help
URL of an mqtt broker for wss transport

2
examples/protocols/mqtt/publish_test/main/component.mk
View File

@ -1 +1 @@
COMPONENT_EMBED_TXTFILES := iot_eclipse_org.pem
COMPONENT_EMBED_TXTFILES := mqtt_eclipse_org.pem

0
examples/protocols/mqtt/publish_test/main/iot_eclipse_org.pem → examples/protocols/mqtt/publish_test/main/mqtt_eclipse_org.pem
View File

8
examples/protocols/mqtt/publish_test/main/publish_test.c
View File

@ -46,11 +46,11 @@ static int qos_test = 0;
#if CONFIG_EXAMPLE_BROKER_CERTIFICATE_OVERRIDDEN == 1
static const uint8_t iot_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_EXAMPLE_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
static const uint8_t mqtt_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_EXAMPLE_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
#else
extern const uint8_t iot_eclipse_org_pem_start[] asm("_binary_iot_eclipse_org_pem_start");
extern const uint8_t mqtt_eclipse_org_pem_start[] asm("_binary_mqtt_eclipse_org_pem_start");
#endif
extern const uint8_t iot_eclipse_org_pem_end[] asm("_binary_iot_eclipse_org_pem_end");
extern const uint8_t mqtt_eclipse_org_pem_end[] asm("_binary_mqtt_eclipse_org_pem_end");
static esp_err_t mqtt_event_handler(esp_mqtt_event_handle_t event)
{
@ -127,7 +127,7 @@ static void mqtt_app_start(void)
mqtt_event_group = xEventGroupCreate();
const esp_mqtt_client_config_t mqtt_cfg = {
.event_handle = mqtt_event_handler,
.cert_pem = (const char *)iot_eclipse_org_pem_start,
.cert_pem = (const char *)mqtt_eclipse_org_pem_start,
};
ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());

2
examples/protocols/mqtt/ssl/CMakeLists.txt
View File

@ -9,4 +9,4 @@ set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_exam
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(mqtt_ssl)
target_add_binary_data(mqtt_ssl.elf "main/iot_eclipse_org.pem" TEXT)
target_add_binary_data(mqtt_ssl.elf "main/mqtt_eclipse_org.pem" TEXT)

8
examples/protocols/mqtt/ssl/README.md
View File

@ -2,7 +2,7 @@
(See the README.md file in the upper level 'examples' directory for more information about examples.)
This example connects to the broker iot.eclipse.org using ssl transport and as a demonstration subscribes/unsubscribes and send a message on certain topic.
This example connects to the broker mqtt.eclipse.org using ssl transport and as a demonstration subscribes/unsubscribes and send a message on certain topic.
(Please note that the public broker is maintained by the community so may not be always available, for details please see this [disclaimer](https://iot.eclipse.org/getting-started/#sandboxes))
It uses ESP-MQTT library which implements mqtt client to connect to mqtt broker.
@ -19,13 +19,13 @@ This example can be executed on any ESP32 board, the only required interface is
* Configure Wi-Fi or Ethernet under "Example Connection Configuration" menu. See "Establishing Wi-Fi or Ethernet Connection" section in [examples/protocols/README.md](../../README.md) for more details.
* When using Make build system, set `Default serial port` under `Serial flasher config`.
PEM certificate for this example could be extracted from an openssl `s_client` command connecting to iot.eclipse.org.
PEM certificate for this example could be extracted from an openssl `s_client` command connecting to mqtt.eclipse.org.
In case a host operating system has `openssl` and `sed` packages installed, one could execute the following command to download and save the root certificate to a file (Note for Windows users: Both Linux like environment or Windows native packages may be used).
```
echo "" | openssl s_client -showcerts -connect iot.eclipse.org:8883 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >iot_eclipse_org.pem
echo "" | openssl s_client -showcerts -connect mqtt.eclipse.org:8883 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >mqtt_eclipse_org.pem
```
Please note that this is not a general command for downloading a root certificate for an arbitrary host;
this command works with iot.eclipse.org as the site provides root certificate in the chain, which then could be extracted
this command works with mqtt.eclipse.org as the site provides root certificate in the chain, which then could be extracted
with text operation.
### Build and Flash

2
examples/protocols/mqtt/ssl/main/Kconfig.projbuild
View File

@ -2,7 +2,7 @@ menu "Example Configuration"
config BROKER_URI
string "Broker URL"
default "mqtts://iot.eclipse.org:8883"
default "mqtts://mqtt.eclipse.org:8883"
help
URL of an mqtt broker which this example connects to.

8
examples/protocols/mqtt/ssl/main/app_main.c
View File

@ -35,11 +35,11 @@ static const char *TAG = "MQTTS_EXAMPLE";
#if CONFIG_BROKER_CERTIFICATE_OVERRIDDEN == 1
static const uint8_t iot_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
static const uint8_t mqtt_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
#else
extern const uint8_t iot_eclipse_org_pem_start[] asm("_binary_iot_eclipse_org_pem_start");
extern const uint8_t mqtt_eclipse_org_pem_start[] asm("_binary_mqtt_eclipse_org_pem_start");
#endif
extern const uint8_t iot_eclipse_org_pem_end[] asm("_binary_iot_eclipse_org_pem_end");
extern const uint8_t mqtt_eclipse_org_pem_end[] asm("_binary_mqtt_eclipse_org_pem_end");
static esp_err_t mqtt_event_handler_cb(esp_mqtt_event_handle_t event)
{
@ -101,7 +101,7 @@ static void mqtt_app_start(void)
{
const esp_mqtt_client_config_t mqtt_cfg = {
.uri = CONFIG_BROKER_URI,
.cert_pem = (const char *)iot_eclipse_org_pem_start,
.cert_pem = (const char *)mqtt_eclipse_org_pem_start,
};
ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());

2
examples/protocols/mqtt/ssl/main/component.mk
View File

@ -1 +1 @@
COMPONENT_EMBED_TXTFILES := iot_eclipse_org.pem
COMPONENT_EMBED_TXTFILES := mqtt_eclipse_org.pem

0
examples/protocols/mqtt/ssl/main/iot_eclipse_org.pem → examples/protocols/mqtt/ssl/main/mqtt_eclipse_org.pem
View File

2
examples/protocols/mqtt/ssl/mqtt_ssl_example_test.py
View File

@ -87,7 +87,7 @@ def test_examples_protocol_mqtt_ssl(env, extra_data):
client.on_message = on_message
client.tls_set(None,
None,
None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1, ciphers=None)
None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1_2, ciphers=None)
client.tls_insecure_set(True)
print("Connecting...")
client.connect(broker_url, broker_port, 60)

2
examples/protocols/mqtt/tcp/main/Kconfig.projbuild
View File

@ -2,7 +2,7 @@ menu "Example Configuration"
config BROKER_URL
string "Broker URL"
default "mqtt://iot.eclipse.org"
default "mqtt://mqtt.eclipse.org"
help
URL of the broker to connect to

2
examples/protocols/mqtt/ws/README.md
View File

@ -2,7 +2,7 @@
(See the README.md file in the upper level 'examples' directory for more information about examples.)
This example connects to the broker iot.eclipse.org over web sockets as a demonstration subscribes/unsubscribes and send a message on certain topic.
This example connects to the broker mqtt.eclipse.org over web sockets as a demonstration subscribes/unsubscribes and send a message on certain topic.
(Please note that the public broker is maintained by the community so may not be always available, for details please see this [disclaimer](https://iot.eclipse.org/getting-started/#sandboxes))
It uses ESP-MQTT library which implements mqtt client to connect to mqtt broker.

2
examples/protocols/mqtt/ws/main/Kconfig.projbuild
View File

@ -2,7 +2,7 @@ menu "Example Configuration"
config BROKER_URI
string "Broker URL"
default "ws://iot.eclipse.org:80/ws"
default "ws://mqtt.eclipse.org:80/mqtt"
help
URL of an mqtt broker which this example connects to.

1
examples/protocols/mqtt/ws/mqtt_ws_example_test.py
View File

@ -82,7 +82,6 @@ def test_examples_protocol_mqtt_ws(env, extra_data):
client = mqtt.Client(transport="websockets")
client.on_connect = on_connect
client.on_message = on_message
client.ws_set_options(path="/ws", headers=None)
print("Connecting...")
client.connect(broker_url, broker_port, 60)
except Exception:

2
examples/protocols/mqtt/wss/CMakeLists.txt
View File

@ -9,4 +9,4 @@ set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_exam
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(mqtt_websocket_secure)
target_add_binary_data(mqtt_websocket_secure.elf "main/iot_eclipse_org.pem" TEXT)
target_add_binary_data(mqtt_websocket_secure.elf "main/mqtt_eclipse_org.pem" TEXT)

10
examples/protocols/mqtt/wss/README.md
View File

@ -1,7 +1,7 @@
# ESP-MQTT MQTT over WSS Sample application
(See the README.md file in the upper level 'examples' directory for more information about examples.)
This example connects to the broker iot.eclipse.org over secure websockets and as a demonstration subscribes/unsubscribes and send a message on certain topic.
This example connects to the broker mqtt.eclipse.org over secure websockets and as a demonstration subscribes/unsubscribes and send a message on certain topic.
(Please note that the public broker is maintained by the community so may not be always available, for details please see this [disclaimer](https://iot.eclipse.org/getting-started/#sandboxes))
It uses ESP-MQTT library which implements mqtt client to connect to mqtt broker.
@ -18,15 +18,15 @@ This example can be executed on any ESP32 board, the only required interface is
* Configure Wi-Fi or Ethernet under "Example Connection Configuration" menu. See "Establishing Wi-Fi or Ethernet Connection" section in [examples/protocols/README.md](../../README.md) for more details.
* When using Make build system, set `Default serial port` under `Serial flasher config`.
Note how to create a PEM certificate for iot.eclipse.org:
Note how to create a PEM certificate for mqtt.eclipse.org:
PEM certificate for this example could be extracted from an openssl `s_client` command connecting to iot.eclipse.org.
PEM certificate for this example could be extracted from an openssl `s_client` command connecting to mqtt.eclipse.org.
In case a host operating system has `openssl` and `sed` packages installed, one could execute the following command to download and save the root certificate to a file (Note for Windows users: Both Linux like environment or Windows native packages may be used).
```
echo "" | openssl s_client -showcerts -connect iot.eclipse.org:443 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >iot_eclipse_org.pem
echo "" | openssl s_client -showcerts -connect mqtt.eclipse.org:443 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >mqtt_eclipse_org.pem
```
Please note that this is not a general command for downloading a root certificate for an arbitrary host;
this command works with iot.eclipse.org as the site provides root certificate in the chain, which then could be extracted
this command works with mqtt.eclipse.org as the site provides root certificate in the chain, which then could be extracted
with text operation.
### Build and Flash

2
examples/protocols/mqtt/wss/main/Kconfig.projbuild
View File

@ -2,7 +2,7 @@ menu "Example Configuration"
config BROKER_URI
string "Broker URL"
default "wss://iot.eclipse.org:443/ws"
default "wss://mqtt.eclipse.org:443/mqtt"
help
URL of an mqtt broker which this example connects to.

8
examples/protocols/mqtt/wss/main/app_main.c
View File

@ -33,11 +33,11 @@ static const char *TAG = "MQTTWSS_EXAMPLE";
#if CONFIG_BROKER_CERTIFICATE_OVERRIDDEN == 1
static const uint8_t iot_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
static const uint8_t mqtt_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
#else
extern const uint8_t iot_eclipse_org_pem_start[] asm("_binary_iot_eclipse_org_pem_start");
extern const uint8_t mqtt_eclipse_org_pem_start[] asm("_binary_mqtt_eclipse_org_pem_start");
#endif
extern const uint8_t iot_eclipse_org_pem_end[] asm("_binary_iot_eclipse_org_pem_end");
extern const uint8_t mqtt_eclipse_org_pem_end[] asm("_binary_mqtt_eclipse_org_pem_end");
static esp_err_t mqtt_event_handler_cb(esp_mqtt_event_handle_t event)
{
@ -95,7 +95,7 @@ static void mqtt_app_start(void)
{
const esp_mqtt_client_config_t mqtt_cfg = {
.uri = CONFIG_BROKER_URI,
.cert_pem = (const char *)iot_eclipse_org_pem_start,
.cert_pem = (const char *)mqtt_eclipse_org_pem_start,
};
ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());

2
examples/protocols/mqtt/wss/main/component.mk
View File

@ -1 +1 @@
COMPONENT_EMBED_TXTFILES := iot_eclipse_org.pem
COMPONENT_EMBED_TXTFILES := mqtt_eclipse_org.pem

0
examples/protocols/mqtt/wss/main/iot_eclipse_org.pem → examples/protocols/mqtt/wss/main/mqtt_eclipse_org.pem
View File

2
examples/protocols/mqtt/wss/mqtt_wss_example_test.py
View File

@ -85,7 +85,7 @@ def test_examples_protocol_mqtt_wss(env, extra_data):
client.on_message = on_message
client.tls_set(None,
None,
None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1, ciphers=None)
None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1_2, ciphers=None)
print("Connecting...")
client.connect(broker_url, broker_port, 60)
except Exception:

2
examples/protocols/pppos_client/main/pppos_client_main.c
View File

@ -16,7 +16,7 @@
#include "sim800.h"
#include "bg96.h"
#define BROKER_URL "mqtt://iot.eclipse.org"
#define BROKER_URL "mqtt://mqtt.eclipse.org"
static const char *TAG = "pppos_example";
static EventGroupHandle_t event_group = NULL;