Mercurial > dropbear
annotate runopts.h @ 1653:76189c9ffea2
External Public-Key Authentication API (#72)
* Implemented dynamic loading of an external plug-in shared library to delegate public key authentication
* Moved conditional compilation of the plugin infrastructure into the configure.ac script to be able to add -ldl to dropbear build only when the flag is enabled
* Added tags file to the ignore list
* Updated API to have the constructor to return function pointers in the pliugin instance. Added support for passing user name to the checkpubkey function. Added options to the session returned by the plugin and have dropbear to parse and process them
* Added -rdynamic to the linker flags when EPKA is enabled
* Changed the API to pass a previously created session to the checkPubKey function (created during preauth)
* Added documentation to the API
* Added parameter addrstring to plugin creation function
* Modified the API to retrieve the auth options. Instead of having them as field of the EPKASession struct, they are stored internally (plugin-dependent) in the plugin/session and retrieved through a pointer to a function (in the session)
* Changed option string to be a simple char * instead of unsigned char *
| author | fabriziobertocci <fabriziobertocci@gmail.com> |
|---|---|
| date | Wed, 15 May 2019 09:43:57 -0400 |
| parents | 21dabe66f2c8 |
| children | cc0fc5131c5c |
| rev | line source |
|---|---|
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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_RUNOPTS_H_ |
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26 #define DROPBEAR_RUNOPTS_H_ |
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27 |
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28 #include "includes.h" |
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29 #include "signkey.h" |
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30 #include "buffer.h" |
| 47 | 31 #include "auth.h" |
| 64 | 32 #include "tcpfwd.h" |
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36 #if DROPBEAR_SVR_REMOTETCPFWD || DROPBEAR_CLI_LOCALTCPFWD \ |
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37 || DROPBEAR_CLI_REMOTETCPFWD |
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38 int listen_fwd_all; |
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39 #endif |
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40 unsigned int recv_window; |
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41 time_t keepalive_secs; /* Time between sending keepalives. 0 is off */ |
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42 time_t idle_timeout_secs; /* Exit if no traffic is sent/received in this time */ |
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47 * is compiled in, but disabled for a client's non-final multihop stages. (The |
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48 * intermediate stages are compressed streams, so are uncompressible. */ |
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49 enum { |
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50 DROPBEAR_COMPRESS_DELAYED, /* Server only */ |
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51 DROPBEAR_COMPRESS_ON, |
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52 DROPBEAR_COMPRESS_OFF, |
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53 } compress_mode; |
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54 #endif |
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56 #if DROPBEAR_USER_ALGO_LIST |
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57 char *cipher_list; |
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58 char *mac_list; |
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59 #endif |
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60 |
| 24 | 61 } runopts; |
| 62 | |
| 63 extern runopts opts; | |
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65 int readhostkey(const char * filename, sign_key * hostkey, |
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66 enum signkey_type *type); |
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67 void load_all_hostkeys(void); |
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70 |
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71 char * bannerfile; |
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74 |
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75 /* ports and addresses are arrays of the portcount |
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76 listening ports. strings are malloced. */ |
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77 char *ports[DROPBEAR_MAX_PORTS]; |
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79 char *addresses[DROPBEAR_MAX_PORTS]; |
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80 |
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81 int inetdmode; |
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82 |
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83 /* Flags indicating whether to use ipv4 and ipv6 */ |
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84 /* not used yet |
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85 int ipv4; |
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86 int ipv6; |
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87 */ |
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88 |
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89 #if DO_MOTD |
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92 #endif |
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94 int norootlogin; |
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99 char *restrict_group; |
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100 /* restrict_group_gid is only valid if restrict_group is set */ |
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102 #endif |
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103 |
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104 int noauthpass; |
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105 int norootpass; |
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107 unsigned int maxauthtries; |
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108 |
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109 #if DROPBEAR_SVR_REMOTETCPFWD |
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110 int noremotetcp; |
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111 #endif |
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112 #if DROPBEAR_SVR_LOCALTCPFWD |
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113 int nolocaltcp; |
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114 #endif |
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115 |
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116 sign_key *hostkey; |
| 795 | 117 |
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118 int delay_hostkey; |
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119 |
| 795 | 120 char *hostkey_files[MAX_HOSTKEYS]; |
| 121 int num_hostkey_files; | |
| 122 | |
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123 buffer * banner; |
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124 char * pidfile; |
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125 |
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126 char * forced_command; |
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128 #if DROPBEAR_EPKA |
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129 char *pubkey_plugin; |
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130 char *pubkey_plugin_options; |
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131 #endif |
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132 |
| 24 | 133 } svr_runopts; |
| 134 | |
| 135 extern svr_runopts svr_opts; | |
| 136 | |
| 137 void svr_getopts(int argc, char ** argv); | |
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138 void loadhostkeys(void); |
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139 |
| 24 | 140 typedef struct cli_runopts { |
| 141 | |
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142 char *progname; |
| 33 | 143 char *remotehost; |
| 1642 | 144 const char *remoteport; |
| 33 | 145 |
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146 char *own_user; |
| 33 | 147 char *username; |
| 37 | 148 |
| 149 char *cmd; | |
| 150 int wantpty; | |
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151 int always_accept_key; |
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152 int no_hostkey_check; |
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153 int no_cmd; |
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154 int backgrounded; |
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155 int is_subsystem; |
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156 #if DROPBEAR_CLI_PUBKEY_AUTH |
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157 m_list *privkeys; /* Keys to use for public-key auth */ |
| 64 | 158 #endif |
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159 #if DROPBEAR_CLI_ANYTCPFWD |
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160 int exit_on_fwd_failure; |
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161 #endif |
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162 #if DROPBEAR_CLI_REMOTETCPFWD |
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163 m_list * remotefwds; |
| 64 | 164 #endif |
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165 #if DROPBEAR_CLI_LOCALTCPFWD |
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166 m_list * localfwds; |
| 47 | 167 #endif |
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168 #if DROPBEAR_CLI_AGENTFWD |
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169 int agent_fwd; |
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170 int agent_keys_loaded; /* whether pubkeys has been populated with a |
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171 list of keys held by the agent */ |
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172 int agent_fd; /* The agent fd is only set during authentication. Forwarded |
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173 agent sessions have their own file descriptors */ |
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174 #endif |
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175 |
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176 #if DROPBEAR_CLI_NETCAT |
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177 char *netcat_host; |
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178 unsigned int netcat_port; |
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179 #endif |
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180 #if DROPBEAR_CLI_PROXYCMD |
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181 char *proxycmd; |
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182 #endif |
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183 char *bind_address; |
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184 char *bind_port; |
| 24 | 185 } cli_runopts; |
| 186 | |
| 187 extern cli_runopts cli_opts; | |
| 188 void cli_getopts(int argc, char ** argv); | |
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189 |
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190 #if DROPBEAR_USER_ALGO_LIST |
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191 void parse_ciphers_macs(void); |
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192 #endif |
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193 |
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194 void print_version(void); |
| 946 | 195 |
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196 #endif /* DROPBEAR_RUNOPTS_H_ */ |