174 lines
4.7 KiB
C
174 lines
4.7 KiB
C
/* wolf_server.c
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*
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* Copyright (C) 2006-2020 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#include <stdio.h>
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#include <string.h>
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#include "r_t4_itcpip.h"
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#include "wolfssl/wolfcrypt/settings.h"
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#include "wolfssl/ssl.h"
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#include "wolfssl/certs_test.h"
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#include "wolf_demo.h"
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static int my_IORecv(WOLFSSL* ssl, char* buff, int sz, void* ctx)
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{
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int ret;
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ID cepid;
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if(ctx != NULL)cepid = *(ID *)ctx;
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else return WOLFSSL_CBIO_ERR_GENERAL;
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ret = tcp_rcv_dat(cepid, buff, sz, TMO_FEVR);
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if(ret == sz)return ret;
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else return WOLFSSL_CBIO_ERR_GENERAL;
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}
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static int my_IOSend(WOLFSSL* ssl, char* buff, int sz, void* ctx)
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{
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int ret;
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ID cepid;
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if(ctx != NULL)cepid = *(ID *)ctx;
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else return WOLFSSL_CBIO_ERR_GENERAL;
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ret = tcp_snd_dat(cepid, buff, sz, TMO_FEVR);
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if(ret == sz)return ret;
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else return WOLFSSL_CBIO_ERR_GENERAL;
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}
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WOLFSSL_CTX *wolfSSL_TLS_server_init()
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{
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int ret;
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WOLFSSL_CTX* ctx;
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#ifndef NO_FILESYSTEM
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#ifdef USE_ECC_CERT
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char *cert = "./certs/server-ecc-cert.pem";
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char *key = "./certs/server-ecc-key.pem";
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#else
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char *cert = "./certs/server-cert.pem";
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char *key = "./certs/server-key.pem";
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#endif
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#else
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#ifdef USE_ECC_CERT
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char *cert = serv_ecc_der_256;
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int sizeof_cert = sizeof_serv_ecc_der_256;
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char *cert = serv_ecc_key_der_256;
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int sizeof_key = sizeof_serv_ecc_key_der_256;
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#else
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const unsigned char *cert = server_cert_der_2048;
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#define sizeof_cert sizeof_server_cert_der_2048
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const unsigned char *key = server_key_der_2048;
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#define sizeof_key sizeof_server_key_der_2048
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#endif
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#endif
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wolfSSL_Init();
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#ifdef DEBUG_WOLFSSL
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wolfSSL_Debugging_ON();
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#endif
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/* Create and initialize WOLFSSL_CTX */
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if ((ctx = wolfSSL_CTX_new(wolfSSLv23_server_method_ex((void *)NULL))) == NULL) {
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printf("ERROR: failed to create WOLFSSL_CTX\n");
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return NULL;
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}
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#if !defined(NO_FILESYSTEM)
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ret = wolfSSL_CTX_use_certificate_file(ctx, cert, 0);
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#else
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ret = wolfSSL_CTX_use_certificate_buffer(ctx, cert, sizeof_cert, SSL_FILETYPE_ASN1);
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#endif
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if (ret != SSL_SUCCESS) {
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printf("Error %d loading server-cert!\n", ret);
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return NULL;
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}
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/* Load server key into WOLFSSL_CTX */
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#if !defined(NO_FILESYSTEM)
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ret = wolfSSL_CTX_use_PrivateKey_file(ctx, key, 0);
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#else
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ret = wolfSSL_CTX_use_PrivateKey_buffer(ctx, key, sizeof_key, SSL_FILETYPE_ASN1);
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#endif
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if (ret != SSL_SUCCESS) {
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printf("Error %d loading server-key!\n", ret);
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return NULL;
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}
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/* Register callbacks */
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wolfSSL_SetIORecv(ctx, my_IORecv);
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wolfSSL_SetIOSend(ctx, my_IOSend);
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return ctx;
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}
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void wolfSSL_TLS_server(void *v_ctx, func_args *args)
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{
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ID cepid = 1;
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ID repid = 1;
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ER ercd;
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WOLFSSL_CTX *ctx = (WOLFSSL_CTX *)v_ctx;
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(void) args;
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WOLFSSL *ssl;
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int len;
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#define BUFF_SIZE 256
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char buff[BUFF_SIZE];
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T_IPV4EP dst_addr = {0, 0};
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if((ercd = tcp_acp_cep(cepid, repid, &dst_addr, TMO_FEVR)) != E_OK) {
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printf("ERROR TCP Accept: %d\n", ercd);
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return;
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}
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if((ssl = wolfSSL_new(ctx)) == NULL) {
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printf("ERROR: failed wolfSSL_new\n");
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return;
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}
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wolfSSL_SetIOReadCtx(ssl, (void *)&cepid);
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wolfSSL_SetIOWriteCtx(ssl, (void *)&cepid);
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if (wolfSSL_accept(ssl) < 0) {
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printf("ERROR: SSL Accept(%d)\n", wolfSSL_get_error(ssl, 0));
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return;
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}
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if ((len = wolfSSL_read(ssl, buff, sizeof(buff) - 1)) < 0) {
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printf("ERROR: SSL Read(%d)\n", wolfSSL_get_error(ssl, 0));
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return;
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}
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buff[len] = '\0';
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printf("Received: %s\n", buff);
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if (wolfSSL_write(ssl, buff, len) != len) {
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printf("ERROR: SSL Write(%d)\n", wolfSSL_get_error(ssl, 0));
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return;
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}
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wolfSSL_free(ssl);
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tcp_sht_cep(cepid);
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}
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