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ext-info handling for server-sig-algs only client side is handled
author Matt Johnston <matt@ucc.asn.au>
date Tue, 19 May 2020 00:31:41 +0800
parents ae41624c2198
children 333688ec53d0
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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 /* This file contains the various numbers in the protocol */
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28 /* message numbers */
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29 #define SSH_MSG_DISCONNECT 1
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30 #define SSH_MSG_IGNORE 2
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31 #define SSH_MSG_UNIMPLEMENTED 3
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32 #define SSH_MSG_DEBUG 4
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33 #define SSH_MSG_SERVICE_REQUEST 5
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34 #define SSH_MSG_SERVICE_ACCEPT 6
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35 #define SSH_MSG_EXT_INFO 7
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36 #define SSH_MSG_KEXINIT 20
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37 #define SSH_MSG_NEWKEYS 21
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38 #define SSH_MSG_KEXDH_INIT 30
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39 #define SSH_MSG_KEXDH_REPLY 31
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40
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41 /* userauth message numbers */
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42 #define SSH_MSG_USERAUTH_REQUEST 50
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43 #define SSH_MSG_USERAUTH_FAILURE 51
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44 #define SSH_MSG_USERAUTH_SUCCESS 52
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45 #define SSH_MSG_USERAUTH_BANNER 53
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47 /* packets 60-79 are method-specific, aren't one-one mapping */
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48 #define SSH_MSG_USERAUTH_SPECIFIC_60 60
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49
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50 #define SSH_MSG_USERAUTH_PASSWD_CHANGEREQ 60
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51
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52 #define SSH_MSG_USERAUTH_PK_OK 60
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54 /* keyboard interactive auth */
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55 #define SSH_MSG_USERAUTH_INFO_REQUEST 60
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56 #define SSH_MSG_USERAUTH_INFO_RESPONSE 61
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57
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58
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59 /* If adding numbers here, check MAX_UNAUTH_PACKET_TYPE in process-packet.c
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60 * is still valid */
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61
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62 /* connect message numbers */
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63 #define SSH_MSG_GLOBAL_REQUEST 80
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64 #define SSH_MSG_REQUEST_SUCCESS 81
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65 #define SSH_MSG_REQUEST_FAILURE 82
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66 #define SSH_MSG_CHANNEL_OPEN 90
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67 #define SSH_MSG_CHANNEL_OPEN_CONFIRMATION 91
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68 #define SSH_MSG_CHANNEL_OPEN_FAILURE 92
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69 #define SSH_MSG_CHANNEL_WINDOW_ADJUST 93
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70 #define SSH_MSG_CHANNEL_DATA 94
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71 #define SSH_MSG_CHANNEL_EXTENDED_DATA 95
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72 #define SSH_MSG_CHANNEL_EOF 96
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73 #define SSH_MSG_CHANNEL_CLOSE 97
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74 #define SSH_MSG_CHANNEL_REQUEST 98
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75 #define SSH_MSG_CHANNEL_SUCCESS 99
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76 #define SSH_MSG_CHANNEL_FAILURE 100
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77
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78 /* extended data types */
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79 #define SSH_EXTENDED_DATA_STDERR 1
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80
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81 /* disconnect codes */
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82 #define SSH_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1
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83 #define SSH_DISCONNECT_PROTOCOL_ERROR 2
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84 #define SSH_DISCONNECT_KEY_EXCHANGE_FAILED 3
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85 #define SSH_DISCONNECT_RESERVED 4
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86 #define SSH_DISCONNECT_MAC_ERROR 5
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87 #define SSH_DISCONNECT_COMPRESSION_ERROR 6
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88 #define SSH_DISCONNECT_SERVICE_NOT_AVAILABLE 7
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89 #define SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8
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90 #define SSH_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9
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91 #define SSH_DISCONNECT_CONNECTION_LOST 10
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92 #define SSH_DISCONNECT_BY_APPLICATION 11
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93 #define SSH_DISCONNECT_TOO_MANY_CONNECTIONS 12
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94 #define SSH_DISCONNECT_AUTH_CANCELLED_BY_USER 13
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95 #define SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14
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96 #define SSH_DISCONNECT_ILLEGAL_USER_NAME 15
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97
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98 /* rfc8308 */
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99 #define SSH_EXT_INFO_S "ext-info-s"
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100 #define SSH_EXT_INFO_C "ext-info-c"
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101 #define SSH_SERVER_SIG_ALGS "server-sig-algs"
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102
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103 /* service types */
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104 #define SSH_SERVICE_USERAUTH "ssh-userauth"
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105 #define SSH_SERVICE_USERAUTH_LEN 12
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106 #define SSH_SERVICE_CONNECTION "ssh-connection"
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107 #define SSH_SERVICE_CONNECTION_LEN 14
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108
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109 /* public/signature key types */
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110 #define SSH_SIGNKEY_DSS "ssh-dss"
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111 #define SSH_SIGNKEY_DSS_LEN 7
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112 #define SSH_SIGNKEY_RSA "ssh-rsa"
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113 #define SSH_SIGNKEY_RSA_LEN 7
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114 #define SSH_SIGNKEY_ED25519 "ssh-ed25519"
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115 #define SSH_SIGNKEY_ED25519_LEN 11
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116 /* signature type */
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117 #define SSH_SIGNATURE_RSA_SHA256 "rsa-sha2-256"
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118
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119 /* Agent commands. These aren't part of the spec, and are defined
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120 * only on the openssh implementation. */
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121 #define SSH_AGENT_FAILURE 5
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122 #define SSH_AGENT_SUCCESS 6
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123 #define SSH2_AGENTC_REQUEST_IDENTITIES 11
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124 #define SSH2_AGENT_IDENTITIES_ANSWER 12
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125 #define SSH2_AGENTC_SIGN_REQUEST 13
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126 #define SSH2_AGENT_SIGN_RESPONSE 14
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127
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128 #define SSH2_AGENT_FAILURE 30