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annotate ssh.h @ 1663:c795520269f9

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Fallback for key gen without hard link support (#89) Add a non-atomic fallback for key generation on platforms where link() is not permitted (such as most stock Android installs) or on filesystems without hard link support (such as FAT).
author Matt Robinson <git@nerdoftheherd.com>
date Sat, 14 Mar 2020 14:37:35 +0000
parents d32bcb5c557d
children ba6fc7afe1c5
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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_KEXINIT 20
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36 #define SSH_MSG_NEWKEYS 21
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37 #define SSH_MSG_KEXDH_INIT 30
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38 #define SSH_MSG_KEXDH_REPLY 31
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39
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40 /* userauth message numbers */
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41 #define SSH_MSG_USERAUTH_REQUEST 50
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42 #define SSH_MSG_USERAUTH_FAILURE 51
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43 #define SSH_MSG_USERAUTH_SUCCESS 52
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44 #define SSH_MSG_USERAUTH_BANNER 53
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46 /* packets 60-79 are method-specific, aren't one-one mapping */
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47 #define SSH_MSG_USERAUTH_SPECIFIC_60 60
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48
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49 #define SSH_MSG_USERAUTH_PASSWD_CHANGEREQ 60
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50
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51 #define SSH_MSG_USERAUTH_PK_OK 60
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53 /* keyboard interactive auth */
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54 #define SSH_MSG_USERAUTH_INFO_REQUEST 60
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55 #define SSH_MSG_USERAUTH_INFO_RESPONSE 61
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56
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58 /* If adding numbers here, check MAX_UNAUTH_PACKET_TYPE in process-packet.c
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59 * is still valid */
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60
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61 /* connect message numbers */
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62 #define SSH_MSG_GLOBAL_REQUEST 80
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63 #define SSH_MSG_REQUEST_SUCCESS 81
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64 #define SSH_MSG_REQUEST_FAILURE 82
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65 #define SSH_MSG_CHANNEL_OPEN 90
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66 #define SSH_MSG_CHANNEL_OPEN_CONFIRMATION 91
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67 #define SSH_MSG_CHANNEL_OPEN_FAILURE 92
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68 #define SSH_MSG_CHANNEL_WINDOW_ADJUST 93
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69 #define SSH_MSG_CHANNEL_DATA 94
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70 #define SSH_MSG_CHANNEL_EXTENDED_DATA 95
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71 #define SSH_MSG_CHANNEL_EOF 96
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72 #define SSH_MSG_CHANNEL_CLOSE 97
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73 #define SSH_MSG_CHANNEL_REQUEST 98
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74 #define SSH_MSG_CHANNEL_SUCCESS 99
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75 #define SSH_MSG_CHANNEL_FAILURE 100
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77 /* extended data types */
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78 #define SSH_EXTENDED_DATA_STDERR 1
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79
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80 /* disconnect codes */
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81 #define SSH_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1
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82 #define SSH_DISCONNECT_PROTOCOL_ERROR 2
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83 #define SSH_DISCONNECT_KEY_EXCHANGE_FAILED 3
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84 #define SSH_DISCONNECT_RESERVED 4
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85 #define SSH_DISCONNECT_MAC_ERROR 5
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86 #define SSH_DISCONNECT_COMPRESSION_ERROR 6
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87 #define SSH_DISCONNECT_SERVICE_NOT_AVAILABLE 7
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88 #define SSH_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8
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89 #define SSH_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9
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90 #define SSH_DISCONNECT_CONNECTION_LOST 10
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91 #define SSH_DISCONNECT_BY_APPLICATION 11
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92 #define SSH_DISCONNECT_TOO_MANY_CONNECTIONS 12
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93 #define SSH_DISCONNECT_AUTH_CANCELLED_BY_USER 13
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94 #define SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14
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95 #define SSH_DISCONNECT_ILLEGAL_USER_NAME 15
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96
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97 /* service types */
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98 #define SSH_SERVICE_USERAUTH "ssh-userauth"
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99 #define SSH_SERVICE_USERAUTH_LEN 12
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100 #define SSH_SERVICE_CONNECTION "ssh-connection"
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101 #define SSH_SERVICE_CONNECTION_LEN 14
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102
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103 /* public key types */
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104 #define SSH_SIGNKEY_DSS "ssh-dss"
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105 #define SSH_SIGNKEY_DSS_LEN 7
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106 #define SSH_SIGNKEY_RSA "ssh-rsa"
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107 #define SSH_SIGNKEY_RSA_LEN 7
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108 #define SSH_SIGNKEY_ED25519 "ssh-ed25519"
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109 #define SSH_SIGNKEY_ED25519_LEN 11
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110
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111 /* Agent commands. These aren't part of the spec, and are defined
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112 * only on the openssh implementation. */
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113 #define SSH_AGENT_FAILURE 5
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114 #define SSH_AGENT_SUCCESS 6
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115 #define SSH2_AGENTC_REQUEST_IDENTITIES 11
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116 #define SSH2_AGENT_IDENTITIES_ANSWER 12
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117 #define SSH2_AGENTC_SIGN_REQUEST 13
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118 #define SSH2_AGENT_SIGN_RESPONSE 14
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119
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120 #define SSH2_AGENT_FAILURE 30