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- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
- #include <stdlib.h>
- #include <stdio.h>
- #include <string.h>
- #include <sys/socket.h>
- #include <arpa/inet.h>
- #include <netinet/in.h>
- #include <unistd.h>
- #define HAVE_SIGNAL
- #ifdef HAVE_SIGNAL
- #include <signal.h> /* for catching ctrl+c */
- #endif
- #ifndef WOLFSSL_USER_SETTINGS
- #include <wolfssl/options.h>
- #endif
- #include <wolfssl/ssl.h>
- #include <wolfssl/wolfio.h>
- #include <wolfssl/wolfcrypt/error-crypt.h>
- #include "examples/async/async_tls.h"
- #ifndef NO_RSA
- #define CERT_FILE "./certs/server-cert.pem"
- #define KEY_FILE "./certs/server-key.pem"
- #define CA_FILE "./certs/client-cert.pem"
- #elif defined(HAVE_ECC)
- #define CERT_FILE "./certs/server-ecc.pem"
- #define KEY_FILE "./certs/ecc-key.pem"
- #define CA_FILE "./certs/client-ecc-cert.pem"
- #else
- #error No authentication algorithm (ECC/RSA)
- #endif
- static int mSockfd = SOCKET_INVALID;
- static int mConnd = SOCKET_INVALID;
- static int mShutdown = 0;
- #ifdef HAVE_SIGNAL
- static void sig_handler(const int sig)
- {
- #ifdef DEBUG_WOLFSSL
- fprintf(stderr, "SIGINT handled = %d.\n", sig);
- #else
- (void)sig;
- #endif
- mShutdown = 1;
- if (mConnd != SOCKET_INVALID) {
- close(mConnd);
- mConnd = SOCKET_INVALID;
- }
- if (mSockfd != SOCKET_INVALID) {
- close(mSockfd);
- mSockfd = SOCKET_INVALID;
- }
- }
- #endif
- int server_async_test(int argc, char** argv)
- {
- int ret = 0;
- struct sockaddr_in servAddr;
- struct sockaddr_in clientAddr;
- socklen_t size = sizeof(clientAddr);
- char buff[TEST_BUF_SZ];
- size_t len;
- const char* reply = "I hear ya fa shizzle!\n";
- int on;
- int devId = 1;
- #ifdef WOLF_CRYPTO_CB
- AsyncTlsCryptoCbCtx myCtx;
- #endif
- int err;
- char errBuff[WOLFSSL_MAX_ERROR_SZ];
-
- WOLFSSL_CTX* ctx = NULL;
- WOLFSSL* ssl = NULL;
- #ifdef HAVE_SIGNAL
- if ((signal(SIGINT, sig_handler)) == SIG_ERR) {
- fprintf(stderr, "ERROR: failed to listen to SIGINT (errno: %d)\n",errno);
- goto exit;
- }
- #endif
-
- memset(&servAddr, 0, sizeof(servAddr));
-
- servAddr.sin_family = AF_INET;
- servAddr.sin_port = htons(DEFAULT_PORT);
- servAddr.sin_addr.s_addr = INADDR_ANY;
-
- if ((mSockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
- fprintf(stderr, "ERROR: failed to create the socket\n");
- goto exit;
- }
-
- on = 1;
- if (setsockopt(mSockfd, SOL_SOCKET, SO_REUSEADDR,
- (char*)&on, (socklen_t)sizeof(on)) != 0) {
- fprintf(stderr, "ERROR: failed to set SO_REUSEADDR (errno: %d)\n",errno);
- goto exit;
- }
- #ifdef SO_REUSEPORT
- if (setsockopt(mSockfd, SOL_SOCKET, SO_REUSEPORT,
- (char*)&on, (socklen_t)sizeof(on)) != 0) {
- fprintf(stderr, "ERROR: failed to set SO_REUSEPORT (errno: %d)\n",errno);
- goto exit;
- }
- #endif
-
- if (bind(mSockfd, (struct sockaddr*)&servAddr, sizeof(servAddr)) == -1) {
- fprintf(stderr, "ERROR: failed to bind\n");
- goto exit;
- }
-
- if (listen(mSockfd, 5) == -1) {
- fprintf(stderr, "ERROR: failed to listen\n");
- goto exit;
- }
-
-
-
- #ifdef DEBUG_WOLFSSL
- wolfSSL_Debugging_ON();
- #endif
-
- if ((ret = wolfSSL_Init()) != WOLFSSL_SUCCESS) {
- fprintf(stderr, "ERROR: Failed to initialize the library\n");
- goto exit;
- }
-
- if ((ctx = wolfSSL_CTX_new(wolfSSLv23_server_method())) == NULL) {
- fprintf(stderr, "ERROR: failed to create WOLFSSL_CTX\n");
- ret = -1;
- goto exit;
- }
- #ifdef WOLF_CRYPTO_CB
- XMEMSET(&myCtx, 0, sizeof(myCtx));
-
- ret = wc_CryptoCb_RegisterDevice(devId, AsyncTlsCryptoCb, &myCtx);
- if (ret != 0) {
- fprintf(stderr, "wc_CryptoCb_RegisterDevice: error %d", ret);
- goto exit;
- }
- #endif
-
- wolfSSL_CTX_SetDevId(ctx, devId);
-
- wolfSSL_CTX_set_verify(ctx,
- WOLFSSL_VERIFY_PEER | WOLFSSL_VERIFY_FAIL_IF_NO_PEER_CERT, NULL);
-
- if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE,
- WOLFSSL_FILETYPE_PEM)) != WOLFSSL_SUCCESS) {
- fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
- CERT_FILE);
- goto exit;
- }
-
- if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE,
- WOLFSSL_FILETYPE_PEM)) != WOLFSSL_SUCCESS) {
- fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
- KEY_FILE);
- goto exit;
- }
-
- if ((ret = wolfSSL_CTX_load_verify_locations(ctx, CA_FILE, NULL))
- != WOLFSSL_SUCCESS) {
- fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
- CA_FILE);
- goto exit;
- }
-
- while (!mShutdown) {
- printf("Waiting for a connection...\n");
-
- if ((mConnd = accept(mSockfd, (struct sockaddr*)&clientAddr, &size))
- == -1) {
- fprintf(stderr, "ERROR: failed to accept the connection\n\n");
- ret = -1; goto exit;
- }
-
- if ((ssl = wolfSSL_new(ctx)) == NULL) {
- fprintf(stderr, "ERROR: failed to create WOLFSSL object\n");
- ret = -1; goto exit;
- }
-
- wolfSSL_set_fd(ssl, mConnd);
-
- #ifdef WOLFSSL_ASYNC_CRYPT
- err = 0;
- #endif
- do {
- #ifdef WOLFSSL_ASYNC_CRYPT
- if (err == WC_NO_ERR_TRACE(WC_PENDING_E)) {
- ret = wolfSSL_AsyncPoll(ssl, WOLF_POLL_FLAG_CHECK_HW);
- if (ret < 0)
- break;
- }
- #endif
- ret = wolfSSL_accept(ssl);
- err = wolfSSL_get_error(ssl, 0);
- } while (err == WC_NO_ERR_TRACE(WC_PENDING_E));
- if (ret != WOLFSSL_SUCCESS) {
- fprintf(stderr, "wolfSSL_accept error %d: %s\n",
- err, wolfSSL_ERR_error_string(err, errBuff));
- goto exit;
- }
- printf("Client connected successfully\n");
-
- memset(buff, 0, sizeof(buff));
- #ifdef WOLFSSL_ASYNC_CRYPT
- err = 0;
- #endif
- do {
- #ifdef WOLFSSL_ASYNC_CRYPT
- if (err == WC_NO_ERR_TRACE(WC_PENDING_E)) {
- ret = wolfSSL_AsyncPoll(ssl, WOLF_POLL_FLAG_CHECK_HW);
- if (ret < 0)
- break;
- }
- #endif
- ret = wolfSSL_read(ssl, buff, sizeof(buff)-1);
- err = wolfSSL_get_error(ssl, 0);
- } while (err == WC_NO_ERR_TRACE(WC_PENDING_E));
- if (ret < 0) {
- fprintf(stderr, "wolfSSL_read error %d: %s\n",
- err, wolfSSL_ERR_error_string(err, errBuff));
- goto exit;
- }
-
- printf("Client: %s\n", buff);
-
- if (strncmp(buff, "shutdown", 8) == 0) {
- printf("Shutdown command issued!\n");
- mShutdown = 1;
- }
-
- memset(buff, 0, sizeof(buff));
- memcpy(buff, reply, strlen(reply));
- len = strnlen(buff, sizeof(buff));
-
- #ifdef WOLFSSL_ASYNC_CRYPT
- err = 0;
- #endif
- do {
- #ifdef WOLFSSL_ASYNC_CRYPT
- if (err == WC_NO_ERR_TRACE(WC_PENDING_E)) {
- ret = wolfSSL_AsyncPoll(ssl, WOLF_POLL_FLAG_CHECK_HW);
- if (ret < 0)
- break;
- }
- #endif
- ret = wolfSSL_write(ssl, buff, (int)len);
- err = wolfSSL_get_error(ssl, 0);
- } while (err == WC_NO_ERR_TRACE(WC_PENDING_E));
- if (ret != (int)len) {
- fprintf(stderr, "wolfSSL_write error %d: %s\n",
- err, wolfSSL_ERR_error_string(err, errBuff));
- goto exit;
- }
-
- wolfSSL_shutdown(ssl);
- if (ssl) {
- wolfSSL_free(ssl);
- ssl = NULL;
- }
- if (mConnd != SOCKET_INVALID) {
- close(mConnd);
- mConnd = SOCKET_INVALID;
- }
- }
- printf("Shutdown complete\n");
- exit:
-
- if (ssl)
- wolfSSL_free(ssl);
- if (mConnd != SOCKET_INVALID) {
- close(mConnd);
- mConnd = SOCKET_INVALID;
- }
- if (mSockfd != SOCKET_INVALID) {
- close(mSockfd);
- mSockfd = SOCKET_INVALID;
- }
- if (ctx)
- wolfSSL_CTX_free(ctx);
- wolfSSL_Cleanup();
- (void)argc;
- (void)argv;
- return ret;
- }
- #ifndef NO_MAIN_DRIVER
- int main(int argc, char** argv)
- {
- return server_async_test(argc, argv);
- }
- #endif
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