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esp-idf/examples/protocols/openssl_server/main/openssl_server_example_main.c

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components/openssl_demo: remove the apache license header and add cc license head
2016-11-17 21:07:34 -05:00
/* OpenSSL server Example
This example code is in the Public Domain (or CC0 licensed, at your option.)
Unless required by applicable law or agreed to in writing, this
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
*/
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
examples: Standardise naming of files, symbols, etc. in examples * Use "example" in all example function & variable names, ie use i2c_example_xxx instead of i2c_xxx for example functions. Closes #198 https://github.com/espressif/esp-idf/issues/198 * Mark example functions, etc. static * Replace uses of "test" & "demo" with "example" * Split the UART example into two * Rename "main" example files to end with "_main.c" for disambiguation
2017-03-22 00:36:11 -04:00
#include "openssl_server_example.h"
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
#include <string.h>
#include "openssl/ssl.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_log.h"
#include "esp_wifi.h"
#include "esp_event_loop.h"
#include "nvs_flash.h"
#include "lwip/sockets.h"
#include "lwip/netdb.h"
static EventGroupHandle_t wifi_event_group;
/* The event group allows multiple bits for each event,
but we only care about one event - are we connected
to the AP with an IP? */
const static int CONNECTED_BIT = BIT0;
examples: Standardise naming of files, symbols, etc. in examples * Use "example" in all example function & variable names, ie use i2c_example_xxx instead of i2c_xxx for example functions. Closes #198 https://github.com/espressif/esp-idf/issues/198 * Mark example functions, etc. static * Replace uses of "test" & "demo" with "example" * Split the UART example into two * Rename "main" example files to end with "_main.c" for disambiguation
2017-03-22 00:36:11 -04:00
const static char *TAG = "Openssl_example";
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
examples: Standardise naming of files, symbols, etc. in examples * Use "example" in all example function & variable names, ie use i2c_example_xxx instead of i2c_xxx for example functions. Closes #198 https://github.com/espressif/esp-idf/issues/198 * Mark example functions, etc. static * Replace uses of "test" & "demo" with "example" * Split the UART example into two * Rename "main" example files to end with "_main.c" for disambiguation
2017-03-22 00:36:11 -04:00
#define OPENSSL_EXAMPLE_SERVER_ACK "HTTP/1.1 200 OK\r\n" \
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
"Content-Type: text/html\r\n" \
Example 10_openssl_server should use TLSv1.2 instead of SSLv3; fixed corrupted HTTP Header
2017-01-10 15:48:15 -05:00
"Content-Length: 98\r\n\r\n" \
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
"<html>\r\n" \
"<head>\r\n" \
examples: Standardise naming of files, symbols, etc. in examples * Use "example" in all example function & variable names, ie use i2c_example_xxx instead of i2c_xxx for example functions. Closes #198 https://github.com/espressif/esp-idf/issues/198 * Mark example functions, etc. static * Replace uses of "test" & "demo" with "example" * Split the UART example into two * Rename "main" example files to end with "_main.c" for disambiguation
2017-03-22 00:36:11 -04:00
"<title>OpenSSL example</title></head><body>\r\n" \
"OpenSSL server example!\r\n" \
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
"</body>\r\n" \
examples/10_openssl_server: fixup SSL server with method of specific version 1. add method of any version supporting at OpenSSL and add API in header file 2. change OpenSSL server context method to be method of any version Fixes http://esp32.com/viewtopic.php?f=14&t=696.
2016-12-20 23:04:26 -05:00
"</html>\r\n" \
"\r\n"
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
examples: Standardise naming of files, symbols, etc. in examples * Use "example" in all example function & variable names, ie use i2c_example_xxx instead of i2c_xxx for example functions. Closes #198 https://github.com/espressif/esp-idf/issues/198 * Mark example functions, etc. static * Replace uses of "test" & "demo" with "example" * Split the UART example into two * Rename "main" example files to end with "_main.c" for disambiguation
2017-03-22 00:36:11 -04:00
static void openssl_example_task(void *p)
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
{
int ret;
SSL_CTX *ctx;
SSL *ssl;
lwip: Change socket API macros to static-inline
2017-11-28 05:23:39 -05:00
int sockfd, new_sockfd;
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
socklen_t addr_len;
struct sockaddr_in sock_addr;
examples: Standardise naming of files, symbols, etc. in examples * Use "example" in all example function & variable names, ie use i2c_example_xxx instead of i2c_xxx for example functions. Closes #198 https://github.com/espressif/esp-idf/issues/198 * Mark example functions, etc. static * Replace uses of "test" & "demo" with "example" * Split the UART example into two * Rename "main" example files to end with "_main.c" for disambiguation
2017-03-22 00:36:11 -04:00
char recv_buf[OPENSSL_EXAMPLE_RECV_BUF_LEN];
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
examples: Standardise naming of files, symbols, etc. in examples * Use "example" in all example function & variable names, ie use i2c_example_xxx instead of i2c_xxx for example functions. Closes #198 https://github.com/espressif/esp-idf/issues/198 * Mark example functions, etc. static * Replace uses of "test" & "demo" with "example" * Split the UART example into two * Rename "main" example files to end with "_main.c" for disambiguation
2017-03-22 00:36:11 -04:00
const char send_data[] = OPENSSL_EXAMPLE_SERVER_ACK;
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
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 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;
ESP_LOGI(TAG, "SSL server context create ......");
openssl_server example: Roll back to TLS_server_method() for compatibility Add a comment recommending TLS v1.2.
2017-02-15 01:18:01 -05:00
/* For security reasons, it is best if you can use
TLSv1_2_server_method() here instead of TLS_server_method().
However some old browsers may not support TLS v1.2.
*/
ctx = SSL_CTX_new(TLS_server_method());
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
if (!ctx) {
ESP_LOGI(TAG, "failed");
goto failed1;
}
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);
if (!ret) {
ESP_LOGI(TAG, "failed");
goto failed2;
}
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);
if (!ret) {
ESP_LOGI(TAG, "failed");
goto failed2;
}
ESP_LOGI(TAG, "OK");
ESP_LOGI(TAG, "SSL server create socket ......");
lwip: Change socket API macros to static-inline
2017-11-28 05:23:39 -05:00
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0) {
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
ESP_LOGI(TAG, "failed");
goto failed2;
}
ESP_LOGI(TAG, "OK");
ESP_LOGI(TAG, "SSL server socket bind ......");
memset(&sock_addr, 0, sizeof(sock_addr));
sock_addr.sin_family = AF_INET;
sock_addr.sin_addr.s_addr = 0;
examples: Standardise naming of files, symbols, etc. in examples * Use "example" in all example function & variable names, ie use i2c_example_xxx instead of i2c_xxx for example functions. Closes #198 https://github.com/espressif/esp-idf/issues/198 * Mark example functions, etc. static * Replace uses of "test" & "demo" with "example" * Split the UART example into two * Rename "main" example files to end with "_main.c" for disambiguation
2017-03-22 00:36:11 -04:00
sock_addr.sin_port = htons(OPENSSL_EXAMPLE_LOCAL_TCP_PORT);
lwip: Change socket API macros to static-inline
2017-11-28 05:23:39 -05:00
ret = bind(sockfd, (struct sockaddr*)&sock_addr, sizeof(sock_addr));
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
if (ret) {
ESP_LOGI(TAG, "failed");
goto failed3;
}
ESP_LOGI(TAG, "OK");
ESP_LOGI(TAG, "SSL server socket listen ......");
lwip: Change socket API macros to static-inline
2017-11-28 05:23:39 -05:00
ret = listen(sockfd, 32);
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
if (ret) {
ESP_LOGI(TAG, "failed");
goto failed3;
}
ESP_LOGI(TAG, "OK");
reconnect:
ESP_LOGI(TAG, "SSL server create ......");
ssl = SSL_new(ctx);
if (!ssl) {
ESP_LOGI(TAG, "failed");
goto failed3;
}
ESP_LOGI(TAG, "OK");
ESP_LOGI(TAG, "SSL server socket accept client ......");
lwip: Change socket API macros to static-inline
2017-11-28 05:23:39 -05:00
new_sockfd = accept(sockfd, (struct sockaddr *)&sock_addr, &addr_len);
if (new_sockfd < 0) {
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
ESP_LOGI(TAG, "failed" );
goto failed4;
}
ESP_LOGI(TAG, "OK");
lwip: Change socket API macros to static-inline
2017-11-28 05:23:39 -05:00
SSL_set_fd(ssl, new_sockfd);
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
ESP_LOGI(TAG, "SSL server accept client ......");
ret = SSL_accept(ssl);
if (!ret) {
ESP_LOGI(TAG, "failed");
goto failed5;
}
ESP_LOGI(TAG, "OK");
ESP_LOGI(TAG, "SSL server read message ......");
do {
examples: Standardise naming of files, symbols, etc. in examples * Use "example" in all example function & variable names, ie use i2c_example_xxx instead of i2c_xxx for example functions. Closes #198 https://github.com/espressif/esp-idf/issues/198 * Mark example functions, etc. static * Replace uses of "test" & "demo" with "example" * Split the UART example into two * Rename "main" example files to end with "_main.c" for disambiguation
2017-03-22 00:36:11 -04:00
memset(recv_buf, 0, OPENSSL_EXAMPLE_RECV_BUF_LEN);
ret = SSL_read(ssl, recv_buf, OPENSSL_EXAMPLE_RECV_BUF_LEN - 1);
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
if (ret <= 0) {
break;
}
examples/10_openssl_server: fixup SSL server with method of specific version 1. add method of any version supporting at OpenSSL and add API in header file 2. change OpenSSL server context method to be method of any version Fixes http://esp32.com/viewtopic.php?f=14&t=696.
2016-12-20 23:04:26 -05:00
ESP_LOGI(TAG, "SSL read: %s", recv_buf);
if (strstr(recv_buf, "GET ") &&
strstr(recv_buf, " HTTP/1.1")) {
ESP_LOGI(TAG, "SSL get matched message")
ESP_LOGI(TAG, "SSL write message")
ret = SSL_write(ssl, send_data, send_bytes);
if (ret > 0) {
ESP_LOGI(TAG, "OK")
} else {
ESP_LOGI(TAG, "error")
}
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
break;
}
} while (1);
SSL_shutdown(ssl);
failed5:
lwip: Change socket API macros to static-inline
2017-11-28 05:23:39 -05:00
close(new_sockfd);
new_sockfd = -1;
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
failed4:
SSL_free(ssl);
ssl = NULL;
goto reconnect;
failed3:
lwip: Change socket API macros to static-inline
2017-11-28 05:23:39 -05:00
close(sockfd);
sockfd = -1;
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
failed2:
SSL_CTX_free(ctx);
ctx = NULL;
failed1:
vTaskDelete(NULL);
return ;
}
openssl_server: Rename openssl_client_init() to openssl_server_init() to match usage Merges https://github.com/espressif/esp-idf/pull/928
2017-08-22 14:52:44 -04:00
static void openssl_server_init(void)
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
{
int ret;
xTaskHandle openssl_handle;
examples: Standardise naming of files, symbols, etc. in examples * Use "example" in all example function & variable names, ie use i2c_example_xxx instead of i2c_xxx for example functions. Closes #198 https://github.com/espressif/esp-idf/issues/198 * Mark example functions, etc. static * Replace uses of "test" & "demo" with "example" * Split the UART example into two * Rename "main" example files to end with "_main.c" for disambiguation
2017-03-22 00:36:11 -04:00
ret = xTaskCreate(openssl_example_task,
OPENSSL_EXAMPLE_TASK_NAME,
OPENSSL_EXAMPLE_TASK_STACK_WORDS,
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
NULL,
openssl_client, openssl_server example: Fix misspelling of PRIORITY in OPENSSL_EXAMPLE_TASK_PRIORITY Merges https://github.com/espressif/esp-idf/pull/929
2017-08-22 16:27:57 -04:00
OPENSSL_EXAMPLE_TASK_PRIORITY,
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
&openssl_handle);
if (ret != pdPASS) {
examples: Standardise naming of files, symbols, etc. in examples * Use "example" in all example function & variable names, ie use i2c_example_xxx instead of i2c_xxx for example functions. Closes #198 https://github.com/espressif/esp-idf/issues/198 * Mark example functions, etc. static * Replace uses of "test" & "demo" with "example" * Split the UART example into two * Rename "main" example files to end with "_main.c" for disambiguation
2017-03-22 00:36:11 -04:00
ESP_LOGI(TAG, "create task %s failed", OPENSSL_EXAMPLE_TASK_NAME);
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
}
}
static esp_err_t wifi_event_handler(void *ctx, system_event_t *event)
{
switch(event->event_id) {
case SYSTEM_EVENT_STA_START:
esp_wifi_connect();
break;
case SYSTEM_EVENT_STA_GOT_IP:
xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
openssl_server: Rename openssl_client_init() to openssl_server_init() to match usage Merges https://github.com/espressif/esp-idf/pull/928
2017-08-22 14:52:44 -04:00
openssl_server_init();
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
/* This is a workaround as ESP32 WiFi libs don't currently
auto-reassociate. */
esp_wifi_connect();
xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
break;
default:
break;
}
return ESP_OK;
}
static void wifi_conn_init(void)
{
tcpip_adapter_init();
wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK( esp_event_loop_init(wifi_event_handler, NULL) );
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
wifi_config_t wifi_config = {
.sta = {
.ssid = EXAMPLE_WIFI_SSID,
.password = EXAMPLE_WIFI_PASS,
},
};
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
ethernet: add first version of ethernet driver
2016-11-08 04:45:17 -05:00
ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
ESP_LOGI(TAG, "start the WIFI SSID:[%s] password:[%s]\n", EXAMPLE_WIFI_SSID, EXAMPLE_WIFI_PASS);
ESP_ERROR_CHECK( esp_wifi_start() );
}
void app_main(void)
{
examples: check return value of nvs_flash_init nvs_flash_init may return an error code in some cases, and applications should check this error code (or at least assert on it being ESP_OK, to make potential issues more immediately obvious). This change modifies all the examples which use NVS to check the error code. Most examples get a simple ESP_ERROR_CHECK assert, while NVS examples, OTA example, and NVS unit tests get a more verbose check which may be used in real applications.
2017-03-14 09:39:44 -04:00
ESP_ERROR_CHECK( nvs_flash_init() );
feature/openssl: fixup the file and code style
2016-11-15 22:11:01 -05:00
wifi_conn_init();
}
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