BadVPN – Blame information for rev 1
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1 | office | 1 | /** |
2 | * @file |
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3 | * Application layered TCP/TLS connection API (to be used from TCPIP thread) |
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4 | * |
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5 | * This file contains structure definitions for a TLS layer using mbedTLS. |
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6 | */ |
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7 | |||
8 | /* |
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9 | * Copyright (c) 2017 Simon Goldschmidt |
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10 | * All rights reserved. |
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11 | * |
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12 | * Redistribution and use in source and binary forms, with or without modification, |
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13 | * are permitted provided that the following conditions are met: |
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14 | * |
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15 | * 1. Redistributions of source code must retain the above copyright notice, |
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16 | * this list of conditions and the following disclaimer. |
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17 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
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18 | * this list of conditions and the following disclaimer in the documentation |
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19 | * and/or other materials provided with the distribution. |
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20 | * 3. The name of the author may not be used to endorse or promote products |
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21 | * derived from this software without specific prior written permission. |
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22 | * |
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23 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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24 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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25 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
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26 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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27 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
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28 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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29 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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30 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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31 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
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32 | * OF SUCH DAMAGE. |
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33 | * |
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34 | * This file is part of the lwIP TCP/IP stack. |
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35 | * |
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36 | * Author: Simon Goldschmidt <goldsimon@gmx.de> |
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37 | * |
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38 | */ |
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39 | #ifndef LWIP_HDR_ALTCP_MBEDTLS_STRUCTS_H |
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40 | #define LWIP_HDR_ALTCP_MBEDTLS_STRUCTS_H |
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41 | |||
42 | #include "lwip/opt.h" |
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43 | |||
44 | #if LWIP_ALTCP /* don't build if not configured for use in lwipopts.h */ |
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45 | |||
46 | #include "lwip/apps/altcp_tls_mbedtls_opts.h" |
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47 | |||
48 | #if LWIP_ALTCP_TLS && LWIP_ALTCP_TLS_MBEDTLS |
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49 | |||
50 | #include "lwip/altcp.h" |
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51 | #include "lwip/pbuf.h" |
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52 | |||
53 | #include "mbedtls/ssl.h" |
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54 | |||
55 | #ifdef __cplusplus |
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56 | extern "C" { |
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57 | #endif |
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58 | |||
59 | #define ALTCP_MBEDTLS_FLAGS_HANDSHAKE_DONE 0x01 |
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60 | #define ALTCP_MBEDTLS_FLAGS_APPLDATA_SENT 0x02 |
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61 | #define ALTCP_MBEDTLS_FLAGS_RX_CLOSE_QUEUED 0x04 |
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62 | #define ALTCP_MBEDTLS_FLAGS_RX_CLOSED 0x08 |
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63 | #define ALTCP_MBEDTLS_FLAGS_TX_CLOSED 0x10 |
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64 | #define ALTCP_MBEDTLS_FLAGS_CLOSED (ALTCP_MBEDTLS_FLAGS_RX_CLOSED|ALTCP_MBEDTLS_FLAGS_TX_CLOSED) |
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65 | #define ALTCP_MBEDTLS_FLAGS_UPPER_CALLED 0x20 |
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66 | |||
67 | typedef struct altcp_mbedtls_state_s { |
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68 | void *conf; |
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69 | mbedtls_ssl_context ssl_context; |
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70 | /* chain of rx pbufs (before decryption) */ |
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71 | struct pbuf *rx; |
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72 | struct pbuf *rx_app; |
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73 | u8_t flags; |
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74 | int rx_passed_unrecved; |
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75 | int bio_bytes_read; |
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76 | int bio_bytes_appl; |
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77 | } altcp_mbedtls_state_t; |
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78 | |||
79 | #ifdef __cplusplus |
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80 | } |
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81 | #endif |
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82 | |||
83 | #endif /* LWIP_ALTCP_TLS && LWIP_ALTCP_TLS_MBEDTLS */ |
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84 | #endif /* LWIP_ALTCP */ |
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85 | #endif /* LWIP_HDR_ALTCP_MBEDTLS_STRUCTS_H */ |