335 lines
15 KiB
C
335 lines
15 KiB
C
/* server_wolfssl.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 <Source/net_sock.h>
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#include <Source/net_app.h>
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#include <Source/net_util.h>
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#include <Source/net_ascii.h>
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#include <app_cfg.h>
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#include "wolfssl/ssl.h"
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#include "server_wolfssl.h"
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#define TLS_SERVER_PORT 11111
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#define TX_BUF_SIZE 64
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#define RX_BUF_SIZE 1024
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#define TCP_SERVER_CONN_Q_SIZE 1
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/* derived from wolfSSL/certs/server-ecc.der */
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static const CPU_INT08U server_ecc_der_256[] = { 0x30, 0x82, 0x03, 0x10,
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0x30, 0x82, 0x02, 0xB5, 0xA0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x09, 0x00,
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0xEF, 0x46, 0xC7, 0xA4, 0x9B, 0xBB, 0x60, 0xD3, 0x30, 0x0A, 0x06, 0x08,
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0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x04, 0x03, 0x02, 0x30, 0x81, 0x8F, 0x31,
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0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53,
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0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0C, 0x0A, 0x57,
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0x61, 0x73, 0x68, 0x69, 0x6E, 0x67, 0x74, 0x6F, 0x6E, 0x31, 0x10, 0x30,
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0x0E, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0C, 0x07, 0x53, 0x65, 0x61, 0x74,
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0x74, 0x6C, 0x65, 0x31, 0x10, 0x30, 0x0E, 0x06, 0x03, 0x55, 0x04, 0x0A,
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0x0C, 0x07, 0x45, 0x6C, 0x69, 0x70, 0x74, 0x69, 0x63, 0x31, 0x0C, 0x30,
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0x0A, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x0C, 0x03, 0x45, 0x43, 0x43, 0x31,
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0x18, 0x30, 0x16, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 0x0F, 0x77, 0x77,
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0x77, 0x2E, 0x77, 0x6F, 0x6C, 0x66, 0x73, 0x73, 0x6C, 0x2E, 0x63, 0x6F,
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0x6D, 0x31, 0x1F, 0x30, 0x1D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7,
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0x0D, 0x01, 0x09, 0x01, 0x16, 0x10, 0x69, 0x6E, 0x66, 0x6F, 0x40, 0x77,
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0x6F, 0x6C, 0x66, 0x73, 0x73, 0x6C, 0x2E, 0x63, 0x6F, 0x6D, 0x30, 0x1E,
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0x17, 0x0D, 0x31, 0x36, 0x30, 0x38, 0x31, 0x31, 0x32, 0x30, 0x30, 0x37,
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0x33, 0x38, 0x5A, 0x17, 0x0D, 0x31, 0x39, 0x30, 0x35, 0x30, 0x38, 0x32,
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0x30, 0x30, 0x37, 0x33, 0x38, 0x5A, 0x30, 0x81, 0x8F, 0x31, 0x0B, 0x30,
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0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x13,
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0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0C, 0x0A, 0x57, 0x61, 0x73,
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0x68, 0x69, 0x6E, 0x67, 0x74, 0x6F, 0x6E, 0x31, 0x10, 0x30, 0x0E, 0x06,
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0x03, 0x55, 0x04, 0x07, 0x0C, 0x07, 0x53, 0x65, 0x61, 0x74, 0x74, 0x6C,
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0x65, 0x31, 0x10, 0x30, 0x0E, 0x06, 0x03, 0x55, 0x04, 0x0A, 0x0C, 0x07,
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0x45, 0x6C, 0x69, 0x70, 0x74, 0x69, 0x63, 0x31, 0x0C, 0x30, 0x0A, 0x06,
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0x03, 0x55, 0x04, 0x0B, 0x0C, 0x03, 0x45, 0x43, 0x43, 0x31, 0x18, 0x30,
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0x16, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 0x0F, 0x77, 0x77, 0x77, 0x2E,
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0x77, 0x6F, 0x6C, 0x66, 0x73, 0x73, 0x6C, 0x2E, 0x63, 0x6F, 0x6D, 0x31,
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0x1F, 0x30, 0x1D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01,
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0x09, 0x01, 0x16, 0x10, 0x69, 0x6E, 0x66, 0x6F, 0x40, 0x77, 0x6F, 0x6C,
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0x66, 0x73, 0x73, 0x6C, 0x2E, 0x63, 0x6F, 0x6D, 0x30, 0x59, 0x30, 0x13,
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0x06, 0x07, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x02, 0x01, 0x06, 0x08, 0x2A,
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0x86, 0x48, 0xCE, 0x3D, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0xBB,
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0x33, 0xAC, 0x4C, 0x27, 0x50, 0x4A, 0xC6, 0x4A, 0xA5, 0x04, 0xC3, 0x3C,
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0xDE, 0x9F, 0x36, 0xDB, 0x72, 0x2D, 0xCE, 0x94, 0xEA, 0x2B, 0xFA, 0xCB,
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0x20, 0x09, 0x39, 0x2C, 0x16, 0xE8, 0x61, 0x02, 0xE9, 0xAF, 0x4D, 0xD3,
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0x02, 0x93, 0x9A, 0x31, 0x5B, 0x97, 0x92, 0x21, 0x7F, 0xF0, 0xCF, 0x18,
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0xDA, 0x91, 0x11, 0x02, 0x34, 0x86, 0xE8, 0x20, 0x58, 0x33, 0x0B, 0x80,
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0x34, 0x89, 0xD8, 0xA3, 0x81, 0xF7, 0x30, 0x81, 0xF4, 0x30, 0x1D, 0x06,
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0x03, 0x55, 0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0x5D, 0x5D, 0x26, 0xEF,
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0xAC, 0x7E, 0x36, 0xF9, 0x9B, 0x76, 0x15, 0x2B, 0x4A, 0x25, 0x02, 0x23,
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0xEF, 0xB2, 0x89, 0x30, 0x30, 0x81, 0xC4, 0x06, 0x03, 0x55, 0x1D, 0x23,
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0x04, 0x81, 0xBC, 0x30, 0x81, 0xB9, 0x80, 0x14, 0x5D, 0x5D, 0x26, 0xEF,
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0xAC, 0x7E, 0x36, 0xF9, 0x9B, 0x76, 0x15, 0x2B, 0x4A, 0x25, 0x02, 0x23,
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0xEF, 0xB2, 0x89, 0x30, 0xA1, 0x81, 0x95, 0xA4, 0x81, 0x92, 0x30, 0x81,
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0x8F, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02,
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0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0C,
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0x0A, 0x57, 0x61, 0x73, 0x68, 0x69, 0x6E, 0x67, 0x74, 0x6F, 0x6E, 0x31,
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0x10, 0x30, 0x0E, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0C, 0x07, 0x53, 0x65,
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0x61, 0x74, 0x74, 0x6C, 0x65, 0x31, 0x10, 0x30, 0x0E, 0x06, 0x03, 0x55,
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0x04, 0x0A, 0x0C, 0x07, 0x45, 0x6C, 0x69, 0x70, 0x74, 0x69, 0x63, 0x31,
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0x0C, 0x30, 0x0A, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x0C, 0x03, 0x45, 0x43,
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0x43, 0x31, 0x18, 0x30, 0x16, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 0x0F,
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0x77, 0x77, 0x77, 0x2E, 0x77, 0x6F, 0x6C, 0x66, 0x73, 0x73, 0x6C, 0x2E,
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0x63, 0x6F, 0x6D, 0x31, 0x1F, 0x30, 0x1D, 0x06, 0x09, 0x2A, 0x86, 0x48,
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0x86, 0xF7, 0x0D, 0x01, 0x09, 0x01, 0x16, 0x10, 0x69, 0x6E, 0x66, 0x6F,
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0x40, 0x77, 0x6F, 0x6C, 0x66, 0x73, 0x73, 0x6C, 0x2E, 0x63, 0x6F, 0x6D,
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0x82, 0x09, 0x00, 0xEF, 0x46, 0xC7, 0xA4, 0x9B, 0xBB, 0x60, 0xD3, 0x30,
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0x0C, 0x06, 0x03, 0x55, 0x1D, 0x13, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01,
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0xFF, 0x30, 0x0A, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x04, 0x03,
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0x02, 0x03, 0x49, 0x00, 0x30, 0x46, 0x02, 0x21, 0x00, 0xF1, 0xD0, 0xA6,
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0x3E, 0x83, 0x33, 0x24, 0xD1, 0x7A, 0x05, 0x5F, 0x1E, 0x0E, 0xBD, 0x7D,
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0x6B, 0x33, 0xE9, 0xF2, 0x86, 0xF3, 0xF3, 0x3D, 0xA9, 0xEF, 0x6A, 0x87,
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0x31, 0xB3, 0xB7, 0x7E, 0x50, 0x02, 0x21, 0x00, 0xF0, 0x60, 0xDD, 0xCE,
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0xA2, 0xDB, 0x56, 0xEC, 0xD9, 0xF4, 0xE4, 0xE3, 0x25, 0xD4, 0xB0, 0xC9,
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0x25, 0x7D, 0xCA, 0x7A, 0x5D, 0xBA, 0xC4, 0xB2, 0xF6, 0x7D, 0x04, 0xC7,
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0xBD, 0x62, 0xC9, 0x20 };
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/* derived from wolfSSL/certs/ecc-key.der */
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static const CPU_INT08U ecc_key_der_256[] = { 0x30, 0x77, 0x02, 0x01, 0x01,
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0x04, 0x20, 0x45, 0xB6, 0x69, 0x02, 0x73, 0x9C, 0x6C, 0x85, 0xA1, 0x38,
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0x5B, 0x72, 0xE8, 0xE8, 0xC7, 0xAC, 0xC4, 0x03, 0x8D, 0x53, 0x35, 0x04,
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0xFA, 0x6C, 0x28, 0xDC, 0x34, 0x8D, 0xE1, 0xA8, 0x09, 0x8C, 0xA0, 0x0A,
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0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x03, 0x01, 0x07, 0xA1, 0x44,
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0x03, 0x42, 0x00, 0x04, 0xBB, 0x33, 0xAC, 0x4C, 0x27, 0x50, 0x4A, 0xC6,
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0x4A, 0xA5, 0x04, 0xC3, 0x3C, 0xDE, 0x9F, 0x36, 0xDB, 0x72, 0x2D, 0xCE,
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0x94, 0xEA, 0x2B, 0xFA, 0xCB, 0x20, 0x09, 0x39, 0x2C, 0x16, 0xE8, 0x61,
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0x02, 0xE9, 0xAF, 0x4D, 0xD3, 0x02, 0x93, 0x9A, 0x31, 0x5B, 0x97, 0x92,
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0x21, 0x7F, 0xF0, 0xCF, 0x18, 0xDA, 0x91, 0x11, 0x02, 0x34, 0x86, 0xE8,
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0x20, 0x58, 0x33, 0x0B, 0x80, 0x34, 0x89, 0xD8 };
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int wolfssl_server_test(void)
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{
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NET_ERR err;
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NET_SOCK_ID sock_listen;
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NET_SOCK_ID sock_req;
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NET_SOCK_ADDR_IPv4 server_addr;
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NET_SOCK_ADDR_LEN server_addr_len;
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NET_SOCK_ADDR_IPv4 client_sock_addr_ip;
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NET_SOCK_ADDR_LEN client_sock_addr_ip_size;
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CPU_CHAR rx_buf[RX_BUF_SIZE];
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CPU_CHAR tx_buf[TX_BUF_SIZE];
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CPU_BOOLEAN attempt_conn;
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OS_ERR os_err;
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WOLFSSL * ssl;
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WOLFSSL_CTX * ctx;
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int tx_buf_sz = 0, ret = 0, error = 0;
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#ifdef DEBUG_WOLFSSL
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wolfSSL_Debugging_ON();
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#endif
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/* wolfSSL INIT and CTX SETUP */
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wolfSSL_Init();
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/* SET UP NETWORK SOCKET */
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APP_TRACE_INFO(("Opening network socket...\r\n"));
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sock_listen = NetSock_Open(NET_SOCK_ADDR_FAMILY_IP_V4,
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NET_SOCK_TYPE_STREAM,
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NET_SOCK_PROTOCOL_TCP,
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&err);
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if (err != NET_SOCK_ERR_NONE) {
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APP_TRACE_INFO(("ERROR: NetSock_Open, err = %d\r\n", (int) err));
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return -1;
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}
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APP_TRACE_INFO(("Clearing memory for server_addr struct\r\n"));
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server_addr_len = sizeof(server_addr);
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Mem_Clr((void *) &server_addr, (CPU_SIZE_T) server_addr_len);
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APP_TRACE_INFO(("Setting up server_addr struct\r\n"));
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server_addr.AddrFamily = NET_SOCK_ADDR_FAMILY_IP_V4;
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server_addr.Addr = NET_UTIL_HOST_TO_NET_32(NET_SOCK_ADDR_IP_V4_WILDCARD);
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server_addr.Port = NET_UTIL_HOST_TO_NET_16(TLS_SERVER_PORT);
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NetSock_Bind((NET_SOCK_ID) sock_listen,
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(NET_SOCK_ADDR*) &server_addr,
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(NET_SOCK_ADDR_LEN) NET_SOCK_ADDR_SIZE,
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(NET_ERR*) &err);
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if (err != NET_SOCK_ERR_NONE) {
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APP_TRACE_INFO(("ERROR: NetSock_Bind, err = %d\r\n", (int) err));
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NetSock_Close(sock_listen, &err);
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return -1;
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}
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ctx = wolfSSL_CTX_new(wolfTLSv1_2_server_method());
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if (ctx == 0) {
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APP_TRACE_INFO(("ERROR: wolfSSL_CTX_new failed\r\n"));
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NetSock_Close(sock_listen, &err);
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return -1;
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}
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APP_TRACE_INFO(("wolfSSL_CTX_new done\r\n"));
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ret = wolfSSL_CTX_use_certificate_buffer(ctx,
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server_ecc_der_256,
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sizeof(server_ecc_der_256),
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SSL_FILETYPE_ASN1);
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if (ret != SSL_SUCCESS) {
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APP_TRACE_INFO(
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("ERROR: wolfSSL_CTX_use_certificate_buffer() failed\r\n"));
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NetSock_Close(sock_listen, &err);
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wolfSSL_CTX_free(ctx);
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return -1;
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}
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ret = wolfSSL_CTX_use_PrivateKey_buffer(ctx,
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ecc_key_der_256,
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sizeof(ecc_key_der_256),
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SSL_FILETYPE_ASN1);
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if (ret != SSL_SUCCESS) {
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APP_TRACE_INFO(
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("ERROR: wolfSSL_CTX_use_PrivateKey_buffer() failed\r\n"));
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NetSock_Close(sock_listen, &err);
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wolfSSL_CTX_free(ctx);
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return -1;
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}
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/* accept client socket connections */
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APP_TRACE_INFO(("Listening for client connection\r\n"));
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NetSock_Listen(sock_listen, TCP_SERVER_CONN_Q_SIZE, &err);
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if (err != NET_SOCK_ERR_NONE) {
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APP_TRACE_INFO(("ERROR: NetSock_Listen, err = %d\r\n", (int) err));
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NetSock_Close(sock_listen, &err);
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wolfSSL_CTX_free(ctx);
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return -1;
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}
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do {
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client_sock_addr_ip_size = sizeof(client_sock_addr_ip);
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sock_req = NetSock_Accept((NET_SOCK_ID) sock_listen,
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(NET_SOCK_ADDR*) &client_sock_addr_ip,
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(NET_SOCK_ADDR_LEN*) &client_sock_addr_ip_size,
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(NET_ERR*) &err);
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switch (err) {
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case NET_SOCK_ERR_NONE:
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attempt_conn = DEF_NO;
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break;
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case NET_ERR_INIT_INCOMPLETE:
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case NET_SOCK_ERR_NULL_PTR:
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case NET_SOCK_ERR_NONE_AVAIL:
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case NET_SOCK_ERR_CONN_ACCEPT_Q_NONE_AVAIL:
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attempt_conn = DEF_YES;
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break;
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case NET_SOCK_ERR_CONN_SIGNAL_TIMEOUT:
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APP_TRACE_INFO(
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("NetSockAccept err = NET_SOCK_ERR_CONN_SIGNAL_TIMEOUT\r\n"));
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attempt_conn = DEF_YES;
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break;
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default:
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attempt_conn = DEF_NO;
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break;
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}
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} while (attempt_conn == DEF_YES);
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if (err != NET_SOCK_ERR_NONE) {
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APP_TRACE_INFO(("ERROR: NetSock_Accept, err = %d\r\n", (int) err));
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NetSock_Close(sock_listen, &err);
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return -1;
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}
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APP_TRACE_INFO(("Got client connection! Starting TLS negotiation\r\n"));
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/* set up wolfSSL session */
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if ((ssl = wolfSSL_new(ctx)) == NULL) {
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APP_TRACE_INFO(("ERROR: wolfSSL_new() failed\r\n"));
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NetSock_Close(sock_req, &err);
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NetSock_Close(sock_listen, &err);
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wolfSSL_CTX_free(ctx);
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return -1;
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}
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APP_TRACE_INFO(("wolfSSL_new done\r\n"));
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ret = wolfSSL_set_fd(ssl, sock_req);
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if (ret != SSL_SUCCESS) {
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APP_TRACE_INFO(("ERROR: wolfSSL_set_fd() failed\r\n"));
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NetSock_Close(sock_req, &err);
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NetSock_Close(sock_listen, &err);
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wolfSSL_free(ssl);
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wolfSSL_CTX_free(ctx);
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return -1;
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}
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APP_TRACE_INFO(("wolfSSL_set_fd done\r\n"));
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do {
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error = 0; /* reset error */
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if (ret != SSL_SUCCESS) {
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error = wolfSSL_get_error(ssl, 0);
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APP_TRACE_INFO(
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("ERROR: wolfSSL_accept() failed, err = %d\r\n", error));
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if (error != SSL_ERROR_WANT_READ) {
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NetSock_Close(sock_req, &err);
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NetSock_Close(sock_listen, &err);
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wolfSSL_free(ssl);
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wolfSSL_CTX_free(ctx);
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return -1;
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}
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OSTimeDlyHMSM(0u, 0u, 0u, 500u, OS_OPT_TIME_HMSM_STRICT, &os_err);
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}
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} while ((ret != SSL_SUCCESS) && (error == SSL_ERROR_WANT_READ));
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|
APP_TRACE_INFO(("wolfSSL_accept() ok...\r\n"));
|
|
|
|
/* read client data */
|
|
|
|
error = 0;
|
|
Mem_Set(rx_buf, 0, RX_BUF_SIZE);
|
|
ret = wolfSSL_read(ssl, rx_buf, RX_BUF_SIZE - 1);
|
|
if (ret < 0) {
|
|
error = wolfSSL_get_error(ssl, 0);
|
|
if (error != SSL_ERROR_WANT_READ) {
|
|
APP_TRACE_INFO(("wolfSSL_read failed, error = %d\r\n", error));
|
|
NetSock_Close(sock_req, &err);
|
|
NetSock_Close(sock_listen, &err);
|
|
wolfSSL_free(ssl);
|
|
wolfSSL_CTX_free(ctx);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
APP_TRACE_INFO(("AFTER wolfSSL_read() call, ret = %d\r\n", ret));
|
|
if (ret > 0) {
|
|
rx_buf[ret] = 0;
|
|
APP_TRACE_INFO(("Client sent: %s\r\n", rx_buf));
|
|
}
|
|
/* write response to client */
|
|
Mem_Set(tx_buf, 0, TX_BUF_SIZE);
|
|
tx_buf_sz = 22;
|
|
Str_Copy_N(tx_buf, "I hear ya fa shizzle!\n", tx_buf_sz);
|
|
if (wolfSSL_write(ssl, tx_buf, tx_buf_sz) != tx_buf_sz) {
|
|
error = wolfSSL_get_error(ssl, 0);
|
|
APP_TRACE_INFO(("ERROR: wolfSSL_write() failed, err = %d\r\n", error));
|
|
NetSock_Close(sock_req, &err);
|
|
NetSock_Close(sock_listen, &err);
|
|
wolfSSL_free(ssl);
|
|
wolfSSL_CTX_free(ctx);
|
|
return -1;
|
|
}
|
|
ret = wolfSSL_shutdown(ssl);
|
|
if (ret == SSL_SHUTDOWN_NOT_DONE)
|
|
wolfSSL_shutdown(ssl);
|
|
wolfSSL_free(ssl);
|
|
wolfSSL_CTX_free(ctx);
|
|
wolfSSL_Cleanup();
|
|
NetSock_Close(sock_req, &err);
|
|
NetSock_Close(sock_listen, &err);
|
|
return 0;
|
|
}
|