Mercurial > dropbear
annotate kex.h @ 1778:19cdeb3d2aac
Fix fuzzing build
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 15 Nov 2020 21:22:08 +0800 |
parents | 8f93f37c01de |
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1 /* |
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2 * Dropbear - a SSH2 server |
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3 * |
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4 * Copyright (c) 2002,2003 Matt Johnston |
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5 * All rights reserved. |
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6 * |
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7 * Permission is hereby granted, free of charge, to any person obtaining a copy |
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8 * of this software and associated documentation files (the "Software"), to deal |
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9 * in the Software without restriction, including without limitation the rights |
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10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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11 * copies of the Software, and to permit persons to whom the Software is |
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12 * furnished to do so, subject to the following conditions: |
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13 * |
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14 * The above copyright notice and this permission notice shall be included in |
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15 * all copies or substantial portions of the Software. |
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16 * |
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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23 * SOFTWARE. */ |
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24 |
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25 #ifndef DROPBEAR_KEX_H_ |
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26 #define DROPBEAR_KEX_H_ |
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27 |
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28 #include "includes.h" |
26 | 29 #include "algo.h" |
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30 #include "signkey.h" |
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31 |
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32 void send_msg_kexinit(void); |
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33 void recv_msg_kexinit(void); |
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34 void send_msg_newkeys(void); |
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35 void recv_msg_newkeys(void); |
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36 void kexfirstinitialise(void); |
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37 void finish_kexhashbuf(void); |
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38 |
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39 #if DROPBEAR_NORMAL_DH |
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40 struct kex_dh_param *gen_kexdh_param(void); |
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41 void free_kexdh_param(struct kex_dh_param *param); |
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42 void kexdh_comb_key(struct kex_dh_param *param, mp_int *dh_pub_them, |
26 | 43 sign_key *hostkey); |
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44 #endif |
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45 |
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46 #if DROPBEAR_ECDH |
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47 struct kex_ecdh_param *gen_kexecdh_param(void); |
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48 void free_kexecdh_param(struct kex_ecdh_param *param); |
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49 void kexecdh_comb_key(struct kex_ecdh_param *param, buffer *pub_them, |
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50 sign_key *hostkey); |
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51 #endif |
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52 |
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53 #if DROPBEAR_CURVE25519 |
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54 struct kex_curve25519_param *gen_kexcurve25519_param(void); |
848 | 55 void free_kexcurve25519_param(struct kex_curve25519_param *param); |
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56 void kexcurve25519_comb_key(const struct kex_curve25519_param *param, const buffer *pub_them, |
848 | 57 sign_key *hostkey); |
58 #endif | |
59 | |
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60 #ifndef DISABLE_ZLIB |
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61 int is_compress_trans(void); |
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62 int is_compress_recv(void); |
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63 #endif |
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64 |
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65 void recv_msg_kexdh_init(void); /* server */ |
26 | 66 |
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67 void send_msg_kexdh_init(void); /* client */ |
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68 void recv_msg_kexdh_reply(void); /* client */ |
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69 |
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70 void recv_msg_ext_info(void); |
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71 |
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72 struct KEXState { |
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73 |
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74 unsigned sentkexinit : 1; /*set when we've sent/recv kexinit packet */ |
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75 unsigned recvkexinit : 1; |
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76 unsigned them_firstfollows : 1; /* true when first_kex_packet_follows is set */ |
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77 unsigned sentnewkeys : 1; /* set once we've send MSG_NEWKEYS (will be cleared once we have also received */ |
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78 unsigned recvnewkeys : 1; /* set once we've received MSG_NEWKEYS (cleared once we have also sent */ |
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79 |
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80 unsigned int donefirstkex; /* Set to 1 after the first kex has completed, |
33 | 81 ie the transport layer has been set up */ |
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82 unsigned int donesecondkex; /* Set to 1 after the second kex has completed */ |
33 | 83 |
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84 unsigned our_first_follows_matches : 1; |
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85 |
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86 time_t lastkextime; /* time of the last kex */ |
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87 unsigned int datatrans; /* data transmitted since last kex */ |
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88 unsigned int datarecv; /* data received since last kex */ |
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89 |
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90 }; |
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91 |
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92 #if DROPBEAR_NORMAL_DH |
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93 struct kex_dh_param { |
801 | 94 mp_int pub; /* e */ |
95 mp_int priv; /* x */ | |
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96 }; |
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97 #endif |
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98 |
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99 #if DROPBEAR_ECDH |
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100 struct kex_ecdh_param { |
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101 ecc_key key; |
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102 }; |
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103 #endif |
740 | 104 |
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105 #if DROPBEAR_CURVE25519 |
848 | 106 #define CURVE25519_LEN 32 |
107 struct kex_curve25519_param { | |
108 unsigned char priv[CURVE25519_LEN]; | |
109 unsigned char pub[CURVE25519_LEN]; | |
110 }; | |
111 #endif | |
112 | |
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113 #endif /* DROPBEAR_KEX_H_ */ |