examples: Add esp-ssl example tests server/client

Closes IDF-1156

examples/protocols/openssl_server/CMakeLists.txt

@@ -8,3 +8,6 @@ set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_exam
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(openssl_server)
+
+target_add_binary_data(openssl_server.elf "server_certs/ca.crt" TEXT)
+target_add_binary_data(openssl_server.elf "server_certs/ca.key" TEXT)

examples/protocols/openssl_server/README.md

@@ -1,22 +1,65 @@
-# Openssl Example
+# OpenSSL Server Example
 
-The Example contains of OpenSSL server demo.
+(See the README.md file in the upper level 'examples' directory for more information about examples.)
 
-Open the project configuration menu (`idf.py menuconfig`):
+This example connects to the ESP-OPENSSL server demo using ssl transport and and sends some messages.
 
-* 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.
+## How to use example
 
+### Python scripts
+
+Script example_test.py could be used as a client part to the ESP-OPENSSL server demo,
+
+```
+python example_test.py
+```
+Note that this script is used in automated tests, as well, so the IDF test framework packages need to be imported;
+please add `$IDF_PATH/tools/ci/python_packages` to `PYTHONPATH`.
+
+### Hardware Required
+
+This example can be executed on any ESP32 board, the only required interface is WiFi and connection to internet.
+
+### Configure the project
+
+* Open the project configuration menu (`idf.py menuconfig`)
+* 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`.
-    
-IF you want to test the OpenSSL server demo: 
-  1. compile the code and load the firmware 
-  2. input the context of "https://192.168.17.128" into your web browser, the IP of your module may not be 192.168.17.128, you should input your module's IP
-  3. You may see that it shows the website is not able to be trusted, but you should select that "go on to visit it"
-  4. You should wait for a moment until your see the "OpenSSL server demo!" in your web browser
-  
-Note:
-  The private key and certification at the example are not trusted by web browser, because they are not created by CA official, just by ourselves.
-  You can alse create your own private key and ceritification by "openssl at ubuntu or others". 
-  We have the document of "ESP8266_SDKSSL_User_Manual_EN_v1.4.pdf" at "https://www.espressif.com/en/support/download/documents". By it you can gernerate the private key and certification with the fomate of ".pem"
 
-See the README.md file in the upper level 'examples' directory for more information about examples.
+### Build and Flash
+
+Build the project and flash it to the board, then run monitor tool to view serial output:
+
+```
+idf.py -p PORT flash monitor
+```
+
+(To exit the serial monitor, type ``Ctrl-]``.)
+
+See the Getting Started Guide for full steps to configure and use ESP-IDF to build projects.
+
+## Example Output
+
+```
+I (2609) example_connect: Got IPv6 event: Interface "example_connect: sta" address: fe80:0000:0000:0000:260a:c4ff:fee7:a660, type: ESP_IP6_ADDR_IS_LINK_LOCAL
+I (3609) esp_netif_handlers: example_connect: sta ip: 192.168.1.191, mask: 255.255.255.0, gw: 192.168.1.1
+I (3609) example_connect: Got IPv4 event: Interface "example_connect: sta" address: 192.168.1.191
+I (3619) example_connect: Connected to example_connect: sta
+I (3619) example_connect: - IPv4 address: 192.168.1.191
+I (3629) example_connect: - IPv6 address: fe80:0000:0000:0000:260a:c4ff:fee7:a660, type: ESP_IP6_ADDR_IS_LINK_LOCAL
+I (3639) OPENSSL_EXAMPLE: SSL server context create ......
+I (3649) OPENSSL_EXAMPLE: OK
+I (3649) OPENSSL_EXAMPLE: SSL server context set own certification......
+I (3659) OPENSSL_EXAMPLE: OK
+I (3659) OPENSSL_EXAMPLE: SSL server context set private key......
+I (3669) OPENSSL_EXAMPLE: OK
+I (3669) OPENSSL_EXAMPLE: SSL server create socket ......
+I (3679) OPENSSL_EXAMPLE: OK
+I (3679) OPENSSL_EXAMPLE: SSL server socket bind ......
+I (3689) OPENSSL_EXAMPLE: OK
+I (3689) OPENSSL_EXAMPLE: SSL server socket listen on 443 port
+I (3699) OPENSSL_EXAMPLE: OK
+I (3699) OPENSSL_EXAMPLE: SSL server create ......
+I (3709) OPENSSL_EXAMPLE: OK
+I (3709) OPENSSL_EXAMPLE: SSL server socket accept client ......
+```

examples/protocols/openssl_server/example_test.py

@@ -0,0 +1,47 @@
+from __future__ import print_function, unicode_literals
+
+import os
+import re
+import socket
+import ssl
+
+import ttfw_idf
+
+
+def _path(f):
+    return os.path.join(os.path.dirname(os.path.realpath(__file__)),f)
+
+
+@ttfw_idf.idf_example_test(env_tag='Example_WIFI')
+def test_example_protocol_openssl_server(env, extra_data):
+    """
+     steps:
+       1. join AP
+       2. connect to uri "xxxx.xxxx.xxxx.xxxx:port"
+       3. send data
+    """
+    dut1 = env.get_dut('openssl_server', 'examples/protocols/openssl_server', dut_class=ttfw_idf.ESP32DUT)
+    # check and log bin size
+    binary_file = os.path.join(dut1.app.binary_path, 'openssl_server.bin')
+    bin_size = os.path.getsize(binary_file)
+    ttfw_idf.log_performance('openssl_server_bin_size', '{}KB'.format(bin_size // 1024))
+    # start test
+    dut1.start_app()
+    ip = dut1.expect(re.compile(r' IPv4 address: ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)'), timeout=30)[0]
+    port = dut1.expect(re.compile(r' SSL server socket listen on ([0-9]+)'), timeout=30)[0]
+    # create socket
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    sock.settimeout(10)
+    addr = (ip, int(port))
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
+    # wrap socket
+    wrappedSocket = ssl.wrap_socket(sock, ca_certs=_path('server_certs/ca.crt'), cert_reqs=ssl.CERT_REQUIRED)
+    # connect and send data
+    wrappedSocket.connect(addr)
+    wrappedSocket.send('Some Data'.encode())
+    # close socket connection
+    wrappedSocket.close()
+
+
+if __name__ == '__main__':
+    test_example_protocol_openssl_server()

examples/protocols/openssl_server/main/CMakeLists.txt

@@ -1,4 +1,3 @@
 # Embed the certificate & key data directly in the built binary
 idf_component_register(SRCS "openssl_server_example_main.c"
-                    INCLUDE_DIRS "."
-                    EMBED_TXTFILES cacert.pem prvtkey.pem)
+                    INCLUDE_DIRS  ".")

examples/protocols/openssl_server/main/Kconfig.projbuild

@@ -0,0 +1,10 @@
+menu "Example Configuration"
+
+    config EXAMPLE_OPENSSL_SERVER_PORT
+        int "Target port number"
+        range 0 65535
+        default 443
+        help
+            Target port number for the example to connect to.
+
+endmenu

examples/protocols/openssl_server/main/cacert.pem

@@ -1,21 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDezCCAmOgAwIBAgIJAPMMNobNczaUMA0GCSqGSIb3DQEBBAUAMHQxEzARBgNV
-BAMTCk15IFRlc3QgQ0ExCzAJBgNVBAgTAkhaMQswCQYDVQQGEwJDTjEcMBoGCSqG
-SIb3DQEJARYNdGVzdEBjZXJ0LmNvbTElMCMGA1UEChMcUm9vdCBDZXJ0aWZpY2F0
-aW9uIEF1dGhvcml0eTAeFw0xNjExMTUwNTA0MThaFw0xOTExMTUwNTA0MThaMHQx
-EzARBgNVBAMTCk15IFRlc3QgQ0ExCzAJBgNVBAgTAkhaMQswCQYDVQQGEwJDTjEc
-MBoGCSqGSIb3DQEJARYNdGVzdEBjZXJ0LmNvbTElMCMGA1UEChMcUm9vdCBDZXJ0
-aWZpY2F0aW9uIEF1dGhvcml0eTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC
-ggEBALDjSPDlomepHCzbw4MUrquQAU0xTV4/Npb27k9I5TRVTjIoOs/5hNI2LPFW
-e4CREx09ZrT8K3NFOBoSy7bhPAsjGaFxCYYWc9tiX1m5gq3ToVRSmbZ65fE3kvnI
-8E/d5VyzA0OMmWbfaolBSTMoWgqRynEaT+z1Eh2yDTzVFy9eov1DdQFUqGDqbH5b
-QYvTY5Fyem7UcKWAe2yS0j3H4dVtVBKNY7qV3Px08yGAs5fQFgUwhyB5+qwhvkeL
-JdgapGaSTwLgoQKWHbe/lA3NiBIB9hznFUGKo3hmniAvYZbrQcn3tc0l/J4I39v2
-Pm29FAyjWvQyBkGktz2q4elOZYkCAwEAAaMQMA4wDAYDVR0TBAUwAwEB/zANBgkq
-hkiG9w0BAQQFAAOCAQEAJCJ+97oae/FcOLbPpjCpUQnWqYydgSChgalkZNvr4fVp
-TnuNg471l0Y2oTJLoWn2YcbPSFVOEeKkU47mpjMzucHHp0zGaW9SdzhZalWwmbgK
-q2ijecIbuFHFNedYTk/03K7eaAcjVhD8e0oOJImeLOL6DAFivA1LUnSgXsdGPDtD
-zhISsCPTu+cL1j0yP6HBvLeAyb8kaCWJ05RtiVLRANNHQn/keHajJYpMwnEEbJdG
-cqN3whfJoGVbZ6isEf2RQJ0pYRnP7uGLW3wGkLWxfdto8uER8HVDx7fZpevLIqGd
-1OoSEi3cIJXWBAjx0TLzzhtb6aeIxBJWQqHThtkKdg==
------END CERTIFICATE-----

examples/protocols/openssl_server/main/component.mk

@@ -2,5 +2,5 @@
 # Main Makefile. This is basically the same as a component makefile.
 #
 
-COMPONENT_EMBED_TXTFILES := cacert.pem
-COMPONENT_EMBED_TXTFILES += prvtkey.pem
+COMPONENT_EMBED_TXTFILES := ${PROJECT_PATH}/server_certs/ca.crt
+COMPONENT_EMBED_TXTFILES += ${PROJECT_PATH}/server_certs/ca.key

examples/protocols/openssl_server/main/openssl_server_example.h

@@ -18,6 +18,6 @@
 
 #define OPENSSL_EXAMPLE_RECV_BUF_LEN       1024
 
-#define OPENSSL_EXAMPLE_LOCAL_TCP_PORT     443
+#define OPENSSL_EXAMPLE_LOCAL_TCP_PORT     CONFIG_EXAMPLE_OPENSSL_SERVER_PORT
 
 #endif

examples/protocols/openssl_server/main/openssl_server_example_main.c

@@ -1,4 +1,4 @@
-/* OpenSSL server Example
+/* OpenSSL Server Example
 
    This example code is in the Public Domain (or CC0 licensed, at your option.)
 
@@ -27,7 +27,7 @@
 #include "lwip/netdb.h"
 
 
-const static char *TAG = "Openssl_example";
+const static char *TAG = "openssl_example";
 
 #define OPENSSL_EXAMPLE_SERVER_ACK "HTTP/1.1 200 OK\r\n" \
                                 "Content-Type: text/html\r\n" \
@@ -56,13 +56,13 @@ static void openssl_example_task(void *p)
     const char send_data[] = OPENSSL_EXAMPLE_SERVER_ACK;
     const int send_bytes = sizeof(send_data);
 
-    extern const unsigned char cacert_pem_start[] asm("_binary_cacert_pem_start");
-    extern const unsigned char cacert_pem_end[]   asm("_binary_cacert_pem_end");
-    const unsigned int cacert_pem_bytes = cacert_pem_end - cacert_pem_start;
+    extern const unsigned char ca_crt_start[] asm("_binary_ca_crt_start");
+    extern const unsigned char ca_crt_end[]   asm("_binary_ca_crt_end");
+    const unsigned int ca_crt_bytes = ca_crt_end - ca_crt_start;
 
-    extern const unsigned char prvtkey_pem_start[] asm("_binary_prvtkey_pem_start");
-    extern const unsigned char prvtkey_pem_end[]   asm("_binary_prvtkey_pem_end");
-    const unsigned int prvtkey_pem_bytes = prvtkey_pem_end - prvtkey_pem_start;
+    extern const unsigned char ca_key_start[] asm("_binary_ca_key_start");
+    extern const unsigned char ca_key_end[]   asm("_binary_ca_key_end");
+    const unsigned int ca_key_bytes = ca_key_end - ca_key_start;
 
     ESP_LOGI(TAG, "SSL server context create ......");
     /* For security reasons, it is best if you can use
@@ -77,7 +77,7 @@ static void openssl_example_task(void *p)
     ESP_LOGI(TAG, "OK");
 
     ESP_LOGI(TAG, "SSL server context set own certification......");
-    ret = SSL_CTX_use_certificate_ASN1(ctx, cacert_pem_bytes, cacert_pem_start);
+    ret = SSL_CTX_use_certificate_ASN1(ctx, ca_crt_bytes, ca_crt_start);
     if (!ret) {
         ESP_LOGI(TAG, "failed");
         goto failed2;
@@ -85,7 +85,7 @@ static void openssl_example_task(void *p)
     ESP_LOGI(TAG, "OK");
 
     ESP_LOGI(TAG, "SSL server context set private key......");
-    ret = SSL_CTX_use_PrivateKey_ASN1(0, ctx, prvtkey_pem_start, prvtkey_pem_bytes);
+    ret = SSL_CTX_use_PrivateKey_ASN1(0, ctx, ca_key_start, ca_key_bytes);
     if (!ret) {
         ESP_LOGI(TAG, "failed");
         goto failed2;
@@ -112,7 +112,7 @@ static void openssl_example_task(void *p)
     }
     ESP_LOGI(TAG, "OK");
 
-    ESP_LOGI(TAG, "SSL server socket listen ......");
+    ESP_LOGI(TAG, "SSL server socket listen on %d port", OPENSSL_EXAMPLE_LOCAL_TCP_PORT);
     ret = listen(sockfd, 32);
     if (ret) {
         ESP_LOGI(TAG, "failed");
@@ -207,6 +207,10 @@ static void openssl_server_init(void)
 
 void app_main(void)
 {
+    ESP_LOGI(TAG, "[APP] Startup..");
+    ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());
+    ESP_LOGI(TAG, "[APP] IDF version: %s", esp_get_idf_version());
+
     ESP_ERROR_CHECK(nvs_flash_init());
     ESP_ERROR_CHECK(esp_netif_init());
     ESP_ERROR_CHECK(esp_event_loop_create_default());

examples/protocols/openssl_server/main/prvtkey.pem

@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEpAIBAAKCAQEAsONI8OWiZ6kcLNvDgxSuq5ABTTFNXj82lvbuT0jlNFVOMig6
-z/mE0jYs8VZ7gJETHT1mtPwrc0U4GhLLtuE8CyMZoXEJhhZz22JfWbmCrdOhVFKZ
-tnrl8TeS+cjwT93lXLMDQ4yZZt9qiUFJMyhaCpHKcRpP7PUSHbINPNUXL16i/UN1
-AVSoYOpsfltBi9NjkXJ6btRwpYB7bJLSPcfh1W1UEo1jupXc/HTzIYCzl9AWBTCH
-IHn6rCG+R4sl2BqkZpJPAuChApYdt7+UDc2IEgH2HOcVQYqjeGaeIC9hlutByfe1
-zSX8ngjf2/Y+bb0UDKNa9DIGQaS3Parh6U5liQIDAQABAoIBAB9K9jp3xXVlO3DM
-KBhmbkg3n6NSV4eW00d9w8cO9E1/0eeZql3knJS7tNO1IwApqiIAHM1j1yP7WONz
-88oUqpSlzwD6iF7KVhC3pHqxEOdDi0Tpn/viXg+Ab2X1IF5guRTfLnKiyviiCazi
-edqtBtDb3d6Icx9Oc7gBKcpbQFDGt++wSOb5L+xhRm9B5B4l/6byikiPeKqIK5tC
-SoP9Zr1mvpNoGm1P4LvEunFJcRBqVI010VNwfO9P98oVyzJu9/FZZrQxXoY9JdXF
-OM6nbl+hMDM3TkEOda9NvBhImozEAvuc97CaaXyR3XivxMqNqNIb4+syUPa2PCS3
-ZztI5qECgYEA1gbVG6ifpvpbBkDPi3Im8fM3F7FLLrQc48FdFjdMvDhHD9lVKucD
-Uaa8PF9dbbvlu2cwMyfBOKSuWaXxRxRsiqiPmTunS1MvPzQcSrGwUrL2AogGucn6
-+NrLQf5P4H5IpkDQ9ih3zwjO6xKFK1WeYnYpHM8qUBtl6q0YFyVBPu0CgYEA05Pn
-StWA4D7VSbNnVi6lvFyEOUsTrK3v419598TFiq4eXLq6aV8/CQYzKsSzoG+aOZhX
-Li+0uyT5cNzUcXYhTsW1hA/pNhMfxMrYiB1x14zlLp2WRGg4vd/+SxX6d9Yd3acX
-7QzPKgdDicXs9QN8ozJOICKvNbUI53AJdATVEY0CgYEAwvpGeoQLrdq1weSZLrg3
-soOX1QW3MDz1dKdbXjnStkWut0mOxR7fbysuoPFf8/ARQcCnsHKvHCMqkpESVWbN
-2yPkbfxiU8Tcbf/TJljqAOz4ISY6ula/RKZONTixHBrvpEW4GAiV3Q5xMsYUe33s
-ZFaw7YXtTj0ng7tdDvjpj6ECgYEApHdUU9ejVq2BHslWiqe4LbO9FMxHfvO2hgix
-xugupp6y+2Irhb2EQn+PRq+g8hXOzPaezkhHNTKItDL08T3iplkJwJ6dqmszRsZn
-i2dYFzZu8M2PAZ4CfZahFbz/9id7D9HTx3EtmH4NAgvZJpyPRkzUbiaIDDettDpj
-Hsyi1AECgYAPLvjBzQj4kPF8Zo9pQEUcz4pmupRVfv3aRfjnahDK4qZHEePDRj+J
-W7pzayrs1dyN9QLB8pTc424z7f8MB3llCICN+ohs8CR/eW0NEobE9ldDOeoCr1Vh
-NhNSbrN1iZ8U4oLkRTMaDKkVngGffvjGi/q0tOU7hJdZOqNlk2Iahg==
------END RSA PRIVATE KEY-----

examples/protocols/openssl_server/server_certs/ca.crt

@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

examples/protocols/openssl_server/server_certs/ca.key

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIEpAIBAAKCAQEAudrb9O+zKV/NewVVD8o5s/zZNU4+2WuKR5aVZW0UUpRM+Yf+
+trO2qwenavStpAu30yJMOjDf0KeMz2dVINGm82XrG+9cNzS4cPTKHYmpA5L3UaAz
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+BFcKMOyRU866E7RknMQfXmKc0V9BFnwo1hFfNlaQNUsiT6BX9TXvDzBVAoGBAMu9
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+EyHeb32IbKUOzEmN1RlvfIec2QmZJk0u6TfLRLmORsBxM5z5dn+mvJwsYHaam0iI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+-----END RSA PRIVATE KEY-----