Mercurial > dropbear

annotate default_options.h @ 1514:6c16a05023aa

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rename some options and move some to sysoptions.h
author Matt Johnston <matt@ucc.asn.au>
date Sun, 18 Feb 2018 00:29:17 +0800
parents 1ea92dd2ca5f
children 2f4d52b1334e
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1 /*
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2 > > > Do not edit this file (default_options.h) < < <
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3 Generated from ../default_options.h.in
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4 Local customisation goes in localoptions.h
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5 */
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6
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7
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8 #ifndef DROPBEAR_DEFAULT_OPTIONS_H_
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9 #define DROPBEAR_DEFAULT_OPTIONS_H_
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10 /*
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11 > > > Read This < < <
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12
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13 default_options.h.in documents compile-time options, and provides default values.
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14
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15 Local customisation should be added to localoptions.h which is
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16 used if it exists. Options defined there will override any options in this
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17 file.
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18
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19 Options can also be defined with -DDROPBEAR_XXX in Makefile CFLAGS
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20
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21 IMPORTANT: Many options will require "make clean" after changes */
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22
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23 #ifndef DROPBEAR_DEFPORT
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24 #define DROPBEAR_DEFPORT "22"
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25 #endif
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26
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27 /* Listen on all interfaces */
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28 #ifndef DROPBEAR_DEFADDRESS
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29 #define DROPBEAR_DEFADDRESS ""
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30 #endif
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31
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32 /* Default hostkey paths - these can be specified on the command line */
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33 #ifndef DSS_PRIV_FILENAME
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34 #define DSS_PRIV_FILENAME "/etc/dropbear/dropbear_dss_host_key"
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35 #endif
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36 #ifndef RSA_PRIV_FILENAME
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37 #define RSA_PRIV_FILENAME "/etc/dropbear/dropbear_rsa_host_key"
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38 #endif
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39 #ifndef ECDSA_PRIV_FILENAME
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40 #define ECDSA_PRIV_FILENAME "/etc/dropbear/dropbear_ecdsa_host_key"
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41 #endif
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42
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43 /* Set NON_INETD_MODE if you require daemon functionality (ie Dropbear listens
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44 * on chosen ports and keeps accepting connections. This is the default.
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45 *
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46 * Set INETD_MODE if you want to be able to run Dropbear with inetd (or
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47 * similar), where it will use stdin/stdout for connections, and each process
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48 * lasts for a single connection. Dropbear should be invoked with the -i flag
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49 * for inetd, and can only accept IPv4 connections.
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50 *
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51 * Both of these flags can be defined at once, don't compile without at least
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52 * one of them. */
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53 #ifndef NON_INETD_MODE
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54 #define NON_INETD_MODE 1
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55 #endif
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56 #ifndef INETD_MODE
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57 #define INETD_MODE 1
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58 #endif
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59
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60 /* Include verbose debug output, enabled with -v at runtime.
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61 * This will add a reasonable amount to your executable size. */
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62 #ifndef DEBUG_TRACE
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63 #define DEBUG_TRACE 0
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64 #endif
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65
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66 /* Set this if you want to use the DROPBEAR_SMALL_CODE option. This can save
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67 several kB in binary size however will make the symmetrical ciphers and hashes
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68 slower, perhaps by 50%. Recommended for small systems that aren't doing
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69 much traffic. */
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70 #ifndef DROPBEAR_SMALL_CODE
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71 #define DROPBEAR_SMALL_CODE 1
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72 #endif
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73
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74 /* Enable X11 Forwarding - server only */
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75 #ifndef DROPBEAR_X11FWD
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76 #define DROPBEAR_X11FWD 1
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77 #endif
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78
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79 /* Enable TCP Fowarding */
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80 /* 'Local' is "-L" style (client listening port forwarded via server)
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81 * 'Remote' is "-R" style (server listening port forwarded via client) */
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82
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83 #ifndef DROPBEAR_CLI_LOCALTCPFWD
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84 #define DROPBEAR_CLI_LOCALTCPFWD 1
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85 #endif
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86 #ifndef DROPBEAR_CLI_REMOTETCPFWD
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87 #define DROPBEAR_CLI_REMOTETCPFWD 1
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88 #endif
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89
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90 #ifndef DROPBEAR_SVR_LOCALTCPFWD
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91 #define DROPBEAR_SVR_LOCALTCPFWD 1
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92 #endif
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93 #ifndef DROPBEAR_SVR_REMOTETCPFWD
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94 #define DROPBEAR_SVR_REMOTETCPFWD 1
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95 #endif
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96
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97 /* Enable Authentication Agent Forwarding */
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98 #ifndef DROPBEAR_SVR_AGENTFWD
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99 #define DROPBEAR_SVR_AGENTFWD 1
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100 #endif
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101 #ifndef DROPBEAR_CLI_AGENTFWD
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102 #define DROPBEAR_CLI_AGENTFWD 1
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103 #endif
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104
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105 /* Note: Both DROPBEAR_CLI_PROXYCMD and DROPBEAR_CLI_NETCAT must be set to
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106 * allow multihop dbclient connections */
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107
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108 /* Allow using -J <proxycommand> to run the connection through a
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109 pipe to a program, rather the normal TCP connection */
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110 #ifndef DROPBEAR_CLI_PROXYCMD
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111 #define DROPBEAR_CLI_PROXYCMD 1
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112 #endif
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113
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114 /* Enable "Netcat mode" option. This will forward standard input/output
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115 * to a remote TCP-forwarded connection */
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116 #ifndef DROPBEAR_CLI_NETCAT
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117 #define DROPBEAR_CLI_NETCAT 1
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118 #endif
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119
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120 /* Whether to support "-c" and "-m" flags to choose ciphers/MACs at runtime */
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121 #ifndef DROPBEAR_USER_ALGO_LIST
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122 #define DROPBEAR_USER_ALGO_LIST 1
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123 #endif
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124
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125 /* Encryption - at least one required.
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126 * AES128 should be enabled, some very old implementations might only
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127 * support 3DES.
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128 * Including both AES keysize variants (128 and 256) will result in
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129 * a minimal size increase */
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130 #ifndef DROPBEAR_AES128
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131 #define DROPBEAR_AES128 1
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132 #endif
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133 #ifndef DROPBEAR_3DES
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134 #define DROPBEAR_3DES 1
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135 #endif
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136 #ifndef DROPBEAR_AES256
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137 #define DROPBEAR_AES256 1
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138 #endif
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139 #ifndef DROPBEAR_TWOFISH256
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140 #define DROPBEAR_TWOFISH256 1
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141 #endif
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142 #ifndef DROPBEAR_TWOFISH128
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143 #define DROPBEAR_TWOFISH128 1
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144 #endif
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diff changeset
145 /* Compiling in Blowfish will add ~6kB to runtime heap memory usage */
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parents: 1491
diff changeset
146 #ifndef DROPBEAR_BLOWFISH
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parents: 1491
diff changeset
147 #define DROPBEAR_BLOWFISH 0
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parents: 1491
diff changeset
148 #endif
1297
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149
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
150 /* Enable CBC mode for ciphers. This has security issues though
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
151 * is the most compatible with older SSH implementations */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
152 #ifndef DROPBEAR_ENABLE_CBC_MODE
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
153 #define DROPBEAR_ENABLE_CBC_MODE 1
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
154 #endif
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parents:
diff changeset
155
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diff changeset
156 /* Enable "Counter Mode" for ciphers. This is more secure than
1297
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
157 * CBC mode against certain attacks. It is recommended for security
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
158 * and forwards compatibility */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
159 #ifndef DROPBEAR_ENABLE_CTR_MODE
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Matt Johnston <matt@ucc.asn.au>
parents:
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160 #define DROPBEAR_ENABLE_CTR_MODE 1
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
161 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
162
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
163 /* Twofish counter mode is disabled by default because it
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164 has not been tested for interoperability with other SSH implementations.
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
165 If you test it please contact the Dropbear author */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
166 #ifndef DROPBEAR_TWOFISH_CTR
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
167 #define DROPBEAR_TWOFISH_CTR 0
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Matt Johnston <matt@ucc.asn.au>
parents:
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168 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
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169
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
170 /* Message integrity. sha2-256 is recommended as a default,
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
171 sha1 for compatibility */
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Matt Johnston <matt@ucc.asn.au>
parents:
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172 #ifndef DROPBEAR_SHA1_HMAC
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Matt Johnston <matt@ucc.asn.au>
parents:
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173 #define DROPBEAR_SHA1_HMAC 1
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Matt Johnston <matt@ucc.asn.au>
parents:
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174 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
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175 #ifndef DROPBEAR_SHA1_96_HMAC
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Matt Johnston <matt@ucc.asn.au>
parents:
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176 #define DROPBEAR_SHA1_96_HMAC 1
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Matt Johnston <matt@ucc.asn.au>
parents:
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177 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
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178 #ifndef DROPBEAR_SHA2_256_HMAC
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Matt Johnston <matt@ucc.asn.au>
parents:
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179 #define DROPBEAR_SHA2_256_HMAC 1
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Matt Johnston <matt@ucc.asn.au>
parents:
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180 #endif
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diff changeset
181 /* Default is to include it if sha512 is being compiled in for ECDSA */
1297
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182 #ifndef DROPBEAR_SHA2_512_HMAC
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Matt Johnston <matt@ucc.asn.au>
parents:
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183 #define DROPBEAR_SHA2_512_HMAC (DROPBEAR_ECDSA)
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Matt Johnston <matt@ucc.asn.au>
parents:
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184 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
185
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
186 /* XXX needed for fingerprints */
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Matt Johnston <matt@ucc.asn.au>
parents:
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187 #ifndef DROPBEAR_MD5_HMAC
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Matt Johnston <matt@ucc.asn.au>
parents:
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188 #define DROPBEAR_MD5_HMAC 0
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Matt Johnston <matt@ucc.asn.au>
parents:
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189 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
190
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
191 /* Hostkey/public key algorithms - at least one required, these are used
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
192 * for hostkey as well as for verifying signatures with pubkey auth.
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
193 * Removing either of these won't save very much space.
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Matt Johnston <matt@ucc.asn.au>
parents:
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194 * RSA is recommended
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Matt Johnston <matt@ucc.asn.au>
parents:
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195 * DSS may be necessary to connect to some systems though
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
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196 is not recommended for new keys */
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197 #ifndef DROPBEAR_RSA
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198 #define DROPBEAR_RSA 1
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parents:
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199 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
200 #ifndef DROPBEAR_DSS
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Matt Johnston <matt@ucc.asn.au>
parents:
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201 #define DROPBEAR_DSS 1
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Matt Johnston <matt@ucc.asn.au>
parents:
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202 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
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203 /* ECDSA is significantly faster than RSA or DSS. Compiling in ECC
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
204 * code (either ECDSA or ECDH) increases binary size - around 30kB
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Matt Johnston <matt@ucc.asn.au>
parents:
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205 * on x86-64 */
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Matt Johnston <matt@ucc.asn.au>
parents:
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206 #ifndef DROPBEAR_ECDSA
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Matt Johnston <matt@ucc.asn.au>
parents:
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207 #define DROPBEAR_ECDSA 1
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parents:
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208 #endif
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209
1438
4f8eb331174f add configuration option for default RSA size.
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diff changeset
210 /* RSA must be >=1024 */
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diff changeset
211 #ifndef DROPBEAR_DEFAULT_RSA_SIZE
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diff changeset
212 #define DROPBEAR_DEFAULT_RSA_SIZE 2048
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diff changeset
213 #endif
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diff changeset
214 /* DSS is always 1024 */
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diff changeset
215 /* ECDSA defaults to largest size configured, usually 521 */
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diff changeset
216
1297
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217 /* Add runtime flag "-R" to generate hostkeys as-needed when the first
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
218 connection using that key type occurs.
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
219 This avoids the need to otherwise run "dropbearkey" and avoids some problems
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
220 with badly seeded /dev/urandom when systems first boot. */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
221 #ifndef DROPBEAR_DELAY_HOSTKEY
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Matt Johnston <matt@ucc.asn.au>
parents:
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222 #define DROPBEAR_DELAY_HOSTKEY 1
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
223 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
224
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
225 /* Enable Curve25519 for key exchange. This is another elliptic
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
226 * curve method with good security properties. Increases binary size
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
227 * by ~8kB on x86-64 */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
228 #ifndef DROPBEAR_CURVE25519
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
229 #define DROPBEAR_CURVE25519 1
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
230 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
231
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
232 /* Enable elliptic curve Diffie Hellman key exchange, see note about
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
233 * ECDSA above */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
234 #ifndef DROPBEAR_ECDH
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
235 #define DROPBEAR_ECDH 1
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
236 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
237
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
238 /* Key exchange algorithm.
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
239 * group14_sha1 - 2048 bit, sha1
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
240 * group14_sha256 - 2048 bit, sha2-256
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
241 * group16 - 4096 bit, sha2-512
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
242 * group1 - 1024 bit, sha1
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
243 *
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
244 * group14 is supported by most implementations.
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
245 * group16 provides a greater strength level but is slower and increases binary size
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
246 * group1 is too small for security though is necessary if you need
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
247 compatibility with some implementations such as Dropbear versions < 0.53
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
248 */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
249 #ifndef DROPBEAR_DH_GROUP1
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
250 #define DROPBEAR_DH_GROUP1 1
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
251 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
252 #ifndef DROPBEAR_DH_GROUP14_SHA1
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
253 #define DROPBEAR_DH_GROUP14_SHA1 1
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
254 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
255 #ifndef DROPBEAR_DH_GROUP14_SHA256
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
256 #define DROPBEAR_DH_GROUP14_SHA256 1
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
257 #endif
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
258 #ifndef DROPBEAR_DH_GROUP16
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
259 #define DROPBEAR_DH_GROUP16 0
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
260 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
261
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
262 /* Control the memory/performance/compression tradeoff for zlib.
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
263 * Set windowBits=8 for least memory usage, see your system's
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
264 * zlib.h for full details.
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
265 * Default settings (windowBits=15) will use 256kB for compression
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
266 * windowBits=8 will use 129kB for compression.
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
267 * Both modes will use ~35kB for decompression (using windowBits=15 for
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
268 * interoperability) */
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
269 #ifndef DROPBEAR_ZLIB_WINDOW_BITS
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
270 #define DROPBEAR_ZLIB_WINDOW_BITS 15
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
271 #endif
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
272
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
273 /* Whether to do reverse DNS lookups. */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
274 #ifndef DO_HOST_LOOKUP
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
275 #define DO_HOST_LOOKUP 0
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
276 #endif
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
277
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
278 /* Whether to print the message of the day (MOTD). */
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
279 #ifndef DO_MOTD
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
280 #define DO_MOTD 0
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
281 #endif
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
282
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
283 /* The MOTD file path */
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
284 #ifndef MOTD_FILENAME
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
285 #define MOTD_FILENAME "/etc/motd"
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
286 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
287
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
288 /* Authentication Types - at least one required.
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Matt Johnston <matt@ucc.asn.au>
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289 RFC Draft requires pubkey auth, and recommends password */
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290 #ifndef DROPBEAR_SVR_PASSWORD_AUTH
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291 #define DROPBEAR_SVR_PASSWORD_AUTH 1
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292 #endif
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293
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294 /* Note: PAM auth is quite simple and only works for PAM modules which just do
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295 * a simple "Login: " "Password: " (you can edit the strings in svr-authpam.c).
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296 * It's useful for systems like OS X where standard password crypts don't work
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297 * but there's an interface via a PAM module. It won't work for more complex
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298 * PAM challenge/response.
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Matt Johnston <matt@ucc.asn.au>
parents:
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299 * You can't enable both PASSWORD and PAM. */
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parents:
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300 #ifndef DROPBEAR_SVR_PAM_AUTH
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301 #define DROPBEAR_SVR_PAM_AUTH 0
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302 #endif
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303
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diff changeset
304 /* ~/.ssh/authorized_keys authentication */
1297
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305 #ifndef DROPBEAR_SVR_PUBKEY_AUTH
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306 #define DROPBEAR_SVR_PUBKEY_AUTH 1
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307 #endif
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308
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
309 /* Whether to take public key options in
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Matt Johnston <matt@ucc.asn.au>
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310 * authorized_keys file into account */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
311 #ifndef DROPBEAR_SVR_PUBKEY_OPTIONS
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Matt Johnston <matt@ucc.asn.au>
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312 #define DROPBEAR_SVR_PUBKEY_OPTIONS 1
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313 #endif
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314
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315 /* Client authentication options */
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316 #ifndef DROPBEAR_CLI_PASSWORD_AUTH
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317 #define DROPBEAR_CLI_PASSWORD_AUTH 1
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318 #endif
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319 #ifndef DROPBEAR_CLI_PUBKEY_AUTH
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Matt Johnston <matt@ucc.asn.au>
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320 #define DROPBEAR_CLI_PUBKEY_AUTH 1
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Matt Johnston <matt@ucc.asn.au>
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321 #endif
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322
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Matt Johnston <matt@ucc.asn.au>
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323 /* A default argument for dbclient -i <privatekey>.
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Matt Johnston <matt@ucc.asn.au>
parents:
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324 Homedir is prepended unless path begins with / */
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Matt Johnston <matt@ucc.asn.au>
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325 #ifndef DROPBEAR_DEFAULT_CLI_AUTHKEY
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Matt Johnston <matt@ucc.asn.au>
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326 #define DROPBEAR_DEFAULT_CLI_AUTHKEY ".ssh/id_dropbear"
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327 #endif
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328
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diff changeset
329 /* Allow specifying the password for dbclient via the DROPBEAR_PASSWORD
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Matt Johnston <matt@ucc.asn.au>
parents: 1491
diff changeset
330 * environment variable. */
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Matt Johnston <matt@ucc.asn.au>
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diff changeset
331 #ifndef DROPBEAR_USE_PASSWORD_ENV
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diff changeset
332 #define DROPBEAR_USE_PASSWORD_ENV 1
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333 #endif
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diff changeset
334
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parents:
diff changeset
335 /* Define this (as well as DROPBEAR_CLI_PASSWORD_AUTH) to allow the use of
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
336 * a helper program for the ssh client. The helper program should be
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
337 * specified in the SSH_ASKPASS environment variable, and dbclient
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
338 * should be run with DISPLAY set and no tty. The program should
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Matt Johnston <matt@ucc.asn.au>
parents:
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339 * return the password on standard output */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
340 #ifndef DROPBEAR_CLI_ASKPASS_HELPER
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Matt Johnston <matt@ucc.asn.au>
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341 #define DROPBEAR_CLI_ASKPASS_HELPER 0
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diff changeset
342 #endif
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343
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diff changeset
344 /* Save a network roundtrip by sendng a real auth request immediately after
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diff changeset
345 * sending a query for the available methods. This is not yet enabled by default
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diff changeset
346 since it could cause problems with non-compliant servers */
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diff changeset
347 #define DROPBEAR_CLI_IMMEDIATE_AUTH 0
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348
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diff changeset
349 /* Set this to use PRNGD or EGD instead of /dev/urandom */
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diff changeset
350 #ifndef DROPBEAR_USE_PRNGD
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diff changeset
351 #define DROPBEAR_USE_PRNGD 0
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352 #endif
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diff changeset
353 #ifndef DROPBEAR_PRNGD_SOCKET
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diff changeset
354 #define DROPBEAR_PRNGD_SOCKET "/var/run/dropbear-rng"
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diff changeset
355 #endif
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diff changeset
356
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
357 /* Specify the number of clients we will allow to be connected but
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
358 * not yet authenticated. After this limit, connections are rejected */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
359 /* The first setting is per-IP, to avoid denial of service */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
360 #ifndef MAX_UNAUTH_PER_IP
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
361 #define MAX_UNAUTH_PER_IP 5
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
362 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
363
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
364 /* And then a global limit to avoid chewing memory if connections
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
365 * come from many IPs */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
366 #ifndef MAX_UNAUTH_CLIENTS
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
367 #define MAX_UNAUTH_CLIENTS 30
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
368 #endif
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parents:
diff changeset
369
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a3a96dbf9a58 Use MAX_AUTH_TRIES rather than DEFAULT_AUTH_TRIES, don't limit argument range
Matt Johnston <matt@ucc.asn.au>
parents: 1442
diff changeset
370 /* Default maximum number of failed authentication tries (server option) */
1491
1ea92dd2ca5f update default_options.h
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parents: 1445
diff changeset
371 /* -T server option overrides */
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diff changeset
372 #ifndef MAX_AUTH_TRIES
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
373 #define MAX_AUTH_TRIES 10
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
374 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
375
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
376 /* The default file to store the daemon's process ID, for shutdown
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
377 scripts etc. This can be overridden with the -P flag */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
378 #ifndef DROPBEAR_PIDFILE
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
379 #define DROPBEAR_PIDFILE "/var/run/dropbear.pid"
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
380 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
381
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
382 /* The command to invoke for xauth when using X11 forwarding.
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
383 * "-q" for quiet */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
384 #ifndef XAUTH_COMMAND
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
385 #define XAUTH_COMMAND "/usr/bin/xauth -q"
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
386 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
387
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diff changeset
388
1297
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
389 /* if you want to enable running an sftp server (such as the one included with
1514
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1491
diff changeset
390 * OpenSSH), set the path below and set DROPBEAR_SFTPSERVER.
6c16a05023aa rename some options and move some to sysoptions.h
Matt Johnston <matt@ucc.asn.au>
parents: 1491
diff changeset
391 * The sftp-server program is not provided by Dropbear itself */
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Matt Johnston <matt@ucc.asn.au>
parents: 1491
diff changeset
392 #ifndef DROPBEAR_SFTPSERVER
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Matt Johnston <matt@ucc.asn.au>
parents: 1491
diff changeset
393 #define DROPBEAR_SFTPSERVER 1
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Matt Johnston <matt@ucc.asn.au>
parents: 1491
diff changeset
394 #endif
1297
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
395 #ifndef SFTPSERVER_PATH
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
396 #define SFTPSERVER_PATH "/usr/libexec/sftp-server"
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
397 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
398
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
399 /* This is used by the scp binary when used as a client binary. If you're
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
400 * not using the Dropbear client, you'll need to change it */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
401 #ifndef DROPBEAR_PATH_SSH_PROGRAM
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
402 #define DROPBEAR_PATH_SSH_PROGRAM "/usr/bin/dbclient"
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
403 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
404
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
405 /* Whether to log commands executed by a client. This only logs the
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
406 * (single) command sent to the server, not what a user did in a
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
407 * shell/sftp session etc. */
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
408 #ifndef LOG_COMMANDS
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
409 #define LOG_COMMANDS 0
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
410 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
411
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
412 /* Window size limits. These tend to be a trade-off between memory
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
413 usage and network performance: */
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
414 /* Size of the network receive window. This amount of memory is allocated
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
415 as a per-channel receive buffer. Increasing this value can make a
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
416 significant difference to network performance. 24kB was empirically
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
417 chosen for a 100mbit ethernet network. The value can be altered at
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
418 runtime with the -W argument. */
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
419 #ifndef DEFAULT_RECV_WINDOW
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
420 #define DEFAULT_RECV_WINDOW 24576
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
421 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
422 /* Maximum size of a received SSH data packet - this _MUST_ be >= 32768
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
423 in order to interoperate with other implementations */
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
424 #ifndef RECV_MAX_PAYLOAD_LEN
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
425 #define RECV_MAX_PAYLOAD_LEN 32768
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
426 #endif
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
427 /* Maximum size of a transmitted data packet - this can be any value,
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
428 though increasing it may not make a significant difference. */
5abbecdecba4 Add generated header default_options.h to version control.
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
429 #ifndef TRANS_MAX_PAYLOAD_LEN
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430 #define TRANS_MAX_PAYLOAD_LEN 16384
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431 #endif
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432
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433 /* Ensure that data is transmitted every KEEPALIVE seconds. This can
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434 be overridden at runtime with -K. 0 disables keepalives */
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435 #ifndef DEFAULT_KEEPALIVE
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436 #define DEFAULT_KEEPALIVE 0
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437 #endif
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438
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439 /* If this many KEEPALIVES are sent with no packets received from the
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440 other side, exit. Not run-time configurable - if you have a need
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441 for runtime configuration please mail the Dropbear list */
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442 #ifndef DEFAULT_KEEPALIVE_LIMIT
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443 #define DEFAULT_KEEPALIVE_LIMIT 3
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444 #endif
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445
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446 /* Ensure that data is received within IDLE_TIMEOUT seconds. This can
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447 be overridden at runtime with -I. 0 disables idle timeouts */
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448 #ifndef DEFAULT_IDLE_TIMEOUT
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449 #define DEFAULT_IDLE_TIMEOUT 0
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450 #endif
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451
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452 /* The default path. This will often get replaced by the shell */
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453 #ifndef DEFAULT_PATH
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454 #define DEFAULT_PATH "/usr/bin:/bin"
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455 #endif
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456
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457 #endif /* DROPBEAR_DEFAULT_OPTIONS_H_ */