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annotate svr-runopts.c @ 1871:b89cf71ec40c

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Fix accidentally commented out test matrix items
author Matt Johnston <matt@ucc.asn.au>
date Tue, 01 Feb 2022 22:25:51 +0800
parents 2b3a8026a6ce
children 4a6725ac957c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 #include "includes.h"
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26 #include "runopts.h"
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27 #include "signkey.h"
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28 #include "buffer.h"
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29 #include "dbutil.h"
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30 #include "algo.h"
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31 #include "ecdsa.h"
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32
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33 #include <grp.h>
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34
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35 svr_runopts svr_opts; /* GLOBAL */
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36
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37 static void printhelp(const char * progname);
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38 static void addportandaddress(const char* spec);
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39 static void loadhostkey(const char *keyfile, int fatal_duplicate);
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40 static void addhostkey(const char *keyfile);
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41
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42 static void printhelp(const char * progname) {
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43
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44 fprintf(stderr, "Dropbear server v%s https://matt.ucc.asn.au/dropbear/dropbear.html\n"
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45 "Usage: %s [options]\n"
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46 "-b bannerfile Display the contents of bannerfile"
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47 " before user login\n"
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48 " (default: none)\n"
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49 "-r keyfile Specify hostkeys (repeatable)\n"
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50 " defaults: \n"
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51 #if DROPBEAR_DSS
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52 " - dss %s\n"
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53 #endif
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54 #if DROPBEAR_RSA
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55 " - rsa %s\n"
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56 #endif
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57 #if DROPBEAR_ECDSA
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58 " - ecdsa %s\n"
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59 #endif
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60 #if DROPBEAR_ED25519
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61 " - ed25519 %s\n"
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62 #endif
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63 #if DROPBEAR_DELAY_HOSTKEY
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64 "-R Create hostkeys as required\n"
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65 #endif
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66 "-F Don't fork into background\n"
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67 "-e Pass on server process environment to child process\n"
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68 #ifdef DISABLE_SYSLOG
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69 "(Syslog support not compiled in, using stderr)\n"
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70 #else
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71 "-E Log to stderr rather than syslog\n"
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72 #endif
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73 #if DO_MOTD
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74 "-m Don't display the motd on login\n"
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75 #endif
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76 "-w Disallow root logins\n"
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77 #ifdef HAVE_GETGROUPLIST
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78 "-G Restrict logins to members of specified group\n"
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79 #endif
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80 #if DROPBEAR_SVR_PASSWORD_AUTH || DROPBEAR_SVR_PAM_AUTH
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81 "-s Disable password logins\n"
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82 "-g Disable password logins for root\n"
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83 "-B Allow blank password logins\n"
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84 #endif
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85 "-T Maximum authentication tries (default %d)\n"
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86 #if DROPBEAR_SVR_LOCALTCPFWD
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87 "-j Disable local port forwarding\n"
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88 #endif
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89 #if DROPBEAR_SVR_REMOTETCPFWD
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90 "-k Disable remote port forwarding\n"
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91 "-a Allow connections to forwarded ports from any host\n"
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92 "-c command Force executed command\n"
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93 #endif
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94 "-p [address:]port\n"
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95 " Listen on specified tcp port (and optionally address),\n"
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96 " up to %d can be specified\n"
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97 " (default port is %s if none specified)\n"
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98 "-P PidFile Create pid file PidFile\n"
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99 " (default %s)\n"
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100 #if INETD_MODE
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101 "-i Start for inetd\n"
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102 #endif
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103 "-W <receive_window_buffer> (default %d, larger may be faster, max 10MB)\n"
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104 "-K <keepalive> (0 is never, default %d, in seconds)\n"
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105 "-I <idle_timeout> (0 is never, default %d, in seconds)\n"
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106 #if DROPBEAR_PLUGIN
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107 "-A <authplugin>[,<options>]\n"
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108 " Enable external public key auth through <authplugin>\n"
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109 #endif
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110 "-V Version\n"
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111 #if DEBUG_TRACE
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112 "-v verbose (compiled with DEBUG_TRACE)\n"
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113 #endif
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114 ,DROPBEAR_VERSION, progname,
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115 #if DROPBEAR_DSS
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116 DSS_PRIV_FILENAME,
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117 #endif
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118 #if DROPBEAR_RSA
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119 RSA_PRIV_FILENAME,
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120 #endif
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121 #if DROPBEAR_ECDSA
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122 ECDSA_PRIV_FILENAME,
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123 #endif
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124 #if DROPBEAR_ED25519
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125 ED25519_PRIV_FILENAME,
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126 #endif
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127 MAX_AUTH_TRIES,
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128 DROPBEAR_MAX_PORTS, DROPBEAR_DEFPORT, DROPBEAR_PIDFILE,
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129 DEFAULT_RECV_WINDOW, DEFAULT_KEEPALIVE, DEFAULT_IDLE_TIMEOUT);
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130 }
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131
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132 void svr_getopts(int argc, char ** argv) {
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133
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134 unsigned int i, j;
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135 char ** next = NULL;
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136 int nextisport = 0;
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diff changeset
137 char* recv_window_arg = NULL;
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diff changeset
138 char* keepalive_arg = NULL;
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
139 char* idle_timeout_arg = NULL;
1442
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
140 char* maxauthtries_arg = NULL;
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diff changeset
141 char* keyfile = NULL;
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Guilhem Moulin <guilhem@fripost.org>
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diff changeset
142 char c;
1654
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diff changeset
143 #if DROPBEAR_PLUGIN
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fabriziobertocci <fabriziobertocci@gmail.com>
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diff changeset
144 char* pubkey_plugin = NULL;
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fabriziobertocci <fabriziobertocci@gmail.com>
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diff changeset
145 #endif
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146
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147
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148 /* see printhelp() for options */
24
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diff changeset
149 svr_opts.bannerfile = NULL;
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diff changeset
150 svr_opts.banner = NULL;
1289
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Jeremy Kerr <jk@ozlabs.org>
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diff changeset
151 svr_opts.forced_command = NULL;
24
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diff changeset
152 svr_opts.forkbg = 1;
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diff changeset
153 svr_opts.norootlogin = 0;
1551
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diff changeset
154 #ifdef HAVE_GETGROUPLIST
1537
6a83b1944432 Fix restricted group code for BSDs, move to separate function
Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
155 svr_opts.restrict_group = NULL;
6a83b1944432 Fix restricted group code for BSDs, move to separate function
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parents: 1535
diff changeset
156 svr_opts.restrict_group_gid = 0;
1551
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parents: 1538
diff changeset
157 #endif
24
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parents: 4
diff changeset
158 svr_opts.noauthpass = 0;
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parents: 4
diff changeset
159 svr_opts.norootpass = 0;
692
c58a15983808 Allow configuring "allow blank password option" at runtime
Paul Eggleton <paul.eggleton@linux.intel.com>
parents: 671
diff changeset
160 svr_opts.allowblankpass = 0;
1445
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
161 svr_opts.maxauthtries = MAX_AUTH_TRIES;
71
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
162 svr_opts.inetdmode = 0;
101
72dc22f56858 Change the way we load keys/ports so we don't print error messages into our
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
163 svr_opts.portcount = 0;
72dc22f56858 Change the way we load keys/ports so we don't print error messages into our
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
164 svr_opts.hostkey = NULL;
847
f4bb964c8678 Add '-R' for delayed hostkey option
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parents: 846
diff changeset
165 svr_opts.delay_hostkey = 0;
323
3bfbe95f9a14 Add -P pidfile patch from Swen Schillig
Matt Johnston <matt@ucc.asn.au>
parents: 271
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166 svr_opts.pidfile = DROPBEAR_PIDFILE;
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167 #if DROPBEAR_SVR_LOCALTCPFWD
258
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diff changeset
168 svr_opts.nolocaltcp = 0;
271
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Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
169 #endif
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diff changeset
170 #if DROPBEAR_SVR_REMOTETCPFWD
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
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diff changeset
171 svr_opts.noremotetcp = 0;
271
be18c7dd486e Fix up #ifdefs for tcp forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
172 #endif
1654
cc0fc5131c5c Rename EPKA -> Plugin
Matt Johnston <matt@ucc.asn.au>
parents: 1653
diff changeset
173 #if DROPBEAR_PLUGIN
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fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
174 svr_opts.pubkey_plugin = NULL;
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
175 svr_opts.pubkey_plugin_options = NULL;
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
176 #endif
1819
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Roland Vollgraf <30869947+rvollgraf@users.noreply.github.com>
parents: 1681
diff changeset
177 svr_opts.pass_on_env = 0;
996
47643024fc90 Disable non-delayed zlib for server
Matt Johnston <matt@ucc.asn.au>
parents: 976
diff changeset
178
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
179 #ifndef DISABLE_ZLIB
996
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diff changeset
180 opts.compress_mode = DROPBEAR_COMPRESS_DELAYED;
47643024fc90 Disable non-delayed zlib for server
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parents: 976
diff changeset
181 #endif
47643024fc90 Disable non-delayed zlib for server
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parents: 976
diff changeset
182
4
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diff changeset
183 /* not yet
33
f789045062e6 Progressing client support
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parents: 24
diff changeset
184 opts.ipv4 = 1;
f789045062e6 Progressing client support
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parents: 24
diff changeset
185 opts.ipv6 = 1;
4
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186 */
1499
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diff changeset
187 #if DO_MOTD
24
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diff changeset
188 svr_opts.domotd = 1;
4
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189 #endif
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190 #ifndef DISABLE_SYSLOG
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diff changeset
191 opts.usingsyslog = 1;
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192 #endif
449
3e6c536bc023 Add -W <windowsize> argument and document it.
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parents: 446
diff changeset
193 opts.recv_window = DEFAULT_RECV_WINDOW;
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
194 opts.keepalive_secs = DEFAULT_KEEPALIVE;
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
195 opts.idle_timeout_secs = DEFAULT_IDLE_TIMEOUT;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
196
1295
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diff changeset
197 #if DROPBEAR_SVR_REMOTETCPFWD
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
198 opts.listen_fwd_all = 0;
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
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parents: 165
diff changeset
199 #endif
4
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200
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diff changeset
201 for (i = 1; i < (unsigned int)argc; i++) {
1164
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
202 if (argv[i][0] != '-' || argv[i][1] == '\0')
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
203 dropbear_exit("Invalid argument: %s", argv[i]);
795
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diff changeset
204
1164
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
205 for (j = 1; (c = argv[i][j]) != '\0' && !next && !nextisport; j++) {
1153
67d8a904f5a9 don't silently ignore extra flag arguments
Matt Johnston <matt@ucc.asn.au>
parents: 996
diff changeset
206 switch (c) {
4
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diff changeset
207 case 'b':
24
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diff changeset
208 next = &svr_opts.bannerfile;
4
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diff changeset
209 break;
1289
a23386821e9f Add -c <command> option to force a specific command
Jeremy Kerr <jk@ozlabs.org>
parents: 1210
diff changeset
210 case 'c':
a23386821e9f Add -c <command> option to force a specific command
Jeremy Kerr <jk@ozlabs.org>
parents: 1210
diff changeset
211 next = &svr_opts.forced_command;
a23386821e9f Add -c <command> option to force a specific command
Jeremy Kerr <jk@ozlabs.org>
parents: 1210
diff changeset
212 break;
4
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diff changeset
213 case 'd':
795
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parents: 716
diff changeset
214 case 'r':
7f604f9b3756 ecdsa is working
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parents: 716
diff changeset
215 next = &keyfile;
4
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parents:
diff changeset
216 break;
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
217 case 'R':
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
218 svr_opts.delay_hostkey = 1;
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
219 break;
4
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diff changeset
220 case 'F':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
221 svr_opts.forkbg = 0;
4
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diff changeset
222 break;
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diff changeset
223 #ifndef DISABLE_SYSLOG
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diff changeset
224 case 'E':
1210
64a50eac1030 Moved usingsyslog from svr_runopts to runopts.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1197
diff changeset
225 opts.usingsyslog = 0;
4
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diff changeset
226 break;
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diff changeset
227 #endif
1819
5120e22882de pass on sever process environment to child processes (option -e) (#118)
Roland Vollgraf <30869947+rvollgraf@users.noreply.github.com>
parents: 1681
diff changeset
228 case 'e':
5120e22882de pass on sever process environment to child processes (option -e) (#118)
Roland Vollgraf <30869947+rvollgraf@users.noreply.github.com>
parents: 1681
diff changeset
229 svr_opts.pass_on_env = 1;
5120e22882de pass on sever process environment to child processes (option -e) (#118)
Roland Vollgraf <30869947+rvollgraf@users.noreply.github.com>
parents: 1681
diff changeset
230 break;
5120e22882de pass on sever process environment to child processes (option -e) (#118)
Roland Vollgraf <30869947+rvollgraf@users.noreply.github.com>
parents: 1681
diff changeset
231
1295
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parents: 1290
diff changeset
232 #if DROPBEAR_SVR_LOCALTCPFWD
4
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parents:
diff changeset
233 case 'j':
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
234 svr_opts.nolocaltcp = 1;
4
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diff changeset
235 break;
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parents:
diff changeset
236 #endif
1295
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parents: 1290
diff changeset
237 #if DROPBEAR_SVR_REMOTETCPFWD
4
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diff changeset
238 case 'k':
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
239 svr_opts.noremotetcp = 1;
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
240 break;
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
241 case 'a':
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
242 opts.listen_fwd_all = 1;
4
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parents:
diff changeset
243 break;
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parents:
diff changeset
244 #endif
1499
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Michael Witten <mfwitten@gmail.com>
parents: 1445
diff changeset
245 #if INETD_MODE
71
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
246 case 'i':
ac96bc733e71 adding inetd mode back from 0.43
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parents: 68
diff changeset
247 svr_opts.inetdmode = 1;
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
248 break;
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
249 #endif
1861
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
250 #if DROPBEAR_DO_REEXEC && NON_INETD_MODE
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
251 /* For internal use by re-exec */
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
252 case '2':
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
253 svr_opts.reexec_child = 1;
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
254 break;
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
255 #endif
4
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diff changeset
256 case 'p':
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
257 nextisport = 1;
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
258 break;
323
3bfbe95f9a14 Add -P pidfile patch from Swen Schillig
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
259 case 'P':
3bfbe95f9a14 Add -P pidfile patch from Swen Schillig
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parents: 271
diff changeset
260 next = &svr_opts.pidfile;
3bfbe95f9a14 Add -P pidfile patch from Swen Schillig
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
261 break;
1499
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parents: 1445
diff changeset
262 #if DO_MOTD
4
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diff changeset
263 /* motd is displayed by default, -m turns it off */
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diff changeset
264 case 'm':
24
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parents: 4
diff changeset
265 svr_opts.domotd = 0;
4
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diff changeset
266 break;
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parents:
diff changeset
267 #endif
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diff changeset
268 case 'w':
24
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parents: 4
diff changeset
269 svr_opts.norootlogin = 1;
4
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diff changeset
270 break;
1551
1acbdf64088e add guard HAVE_GETGROUPLIST
Matt Johnston <matt@ucc.asn.au>
parents: 1538
diff changeset
271 #ifdef HAVE_GETGROUPLIST
1537
6a83b1944432 Fix restricted group code for BSDs, move to separate function
Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
272 case 'G':
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Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
273 next = &svr_opts.restrict_group;
6a83b1944432 Fix restricted group code for BSDs, move to separate function
Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
274 break;
1551
1acbdf64088e add guard HAVE_GETGROUPLIST
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parents: 1538
diff changeset
275 #endif
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
276 case 'W':
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
277 next = &recv_window_arg;
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
278 break;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
279 case 'K':
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
280 next = &keepalive_arg;
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
281 break;
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
282 case 'I':
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
283 next = &idle_timeout_arg;
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
284 break;
1442
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
285 case 'T':
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
286 next = &maxauthtries_arg;
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
287 break;
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
288 #if DROPBEAR_SVR_PASSWORD_AUTH || DROPBEAR_SVR_PAM_AUTH
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
289 case 's':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
290 svr_opts.noauthpass = 1;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
291 break;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
292 case 'g':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
293 svr_opts.norootpass = 1;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
294 break;
692
c58a15983808 Allow configuring "allow blank password option" at runtime
Paul Eggleton <paul.eggleton@linux.intel.com>
parents: 671
diff changeset
295 case 'B':
c58a15983808 Allow configuring "allow blank password option" at runtime
Paul Eggleton <paul.eggleton@linux.intel.com>
parents: 671
diff changeset
296 svr_opts.allowblankpass = 1;
c58a15983808 Allow configuring "allow blank password option" at runtime
Paul Eggleton <paul.eggleton@linux.intel.com>
parents: 671
diff changeset
297 break;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
298 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
299 case 'h':
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
300 printhelp(argv[0]);
946
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 876
diff changeset
301 exit(EXIT_SUCCESS);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
302 break;
442
d82a2a44c684 Add -u option to specify /dev/urandom instead
Matt Johnston <matt@ucc.asn.au>
parents: 435
diff changeset
303 case 'u':
446
2cd2edfa11ee Just use /dev/urandom since that's what everyone ends up using anyway.
Matt Johnston <matt@ucc.asn.au>
parents: 442
diff changeset
304 /* backwards compatibility with old urandom option */
442
d82a2a44c684 Add -u option to specify /dev/urandom instead
Matt Johnston <matt@ucc.asn.au>
parents: 435
diff changeset
305 break;
1654
cc0fc5131c5c Rename EPKA -> Plugin
Matt Johnston <matt@ucc.asn.au>
parents: 1653
diff changeset
306 #if DROPBEAR_PLUGIN
1653
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
307 case 'A':
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
308 next = &pubkey_plugin;
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
309 break;
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
310 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
311 #if DEBUG_TRACE
94
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
312 case 'v':
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
313 debug_trace = 1;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
314 break;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
315 #endif
946
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 876
diff changeset
316 case 'V':
948
f92eb625c48d - Don't use multichar constants since recent gcc complains
Matt Johnston <matt@ucc.asn.au>
parents: 946
diff changeset
317 print_version();
946
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 876
diff changeset
318 exit(EXIT_SUCCESS);
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 876
diff changeset
319 break;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
320 default:
1164
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
321 fprintf(stderr, "Invalid option -%c\n", c);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
322 printhelp(argv[0]);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
323 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
324 break;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
325 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
326 }
1164
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
327
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
328 if (!next && !nextisport)
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
329 continue;
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
330
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
331 if (c == '\0') {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
332 i++;
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
333 j = 0;
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
334 if (!argv[i]) {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
335 dropbear_exit("Missing argument");
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
336 }
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
337 }
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
338
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
339 if (nextisport) {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
340 addportandaddress(&argv[i][j]);
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
341 nextisport = 0;
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
342 } else if (next) {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
343 *next = &argv[i][j];
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
344 if (*next == NULL) {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
345 dropbear_exit("Invalid null argument");
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
346 }
1404
e8f67918fdc9 when pointer, use NULL instead of 0
Francois Perrad <francois.perrad@gadz.org>
parents: 1295
diff changeset
347 next = NULL;
1164
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
348
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
349 if (keyfile) {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
350 addhostkey(keyfile);
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
351 keyfile = NULL;
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
352 }
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
353 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
354 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
355
101
72dc22f56858 Change the way we load keys/ports so we don't print error messages into our
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
356 /* Set up listening ports */
72dc22f56858 Change the way we load keys/ports so we don't print error messages into our
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
357 if (svr_opts.portcount == 0) {
72dc22f56858 Change the way we load keys/ports so we don't print error messages into our
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
358 svr_opts.ports[0] = m_strdup(DROPBEAR_DEFPORT);
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
359 svr_opts.addresses[0] = m_strdup(DROPBEAR_DEFADDRESS);
101
72dc22f56858 Change the way we load keys/ports so we don't print error messages into our
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
360 svr_opts.portcount = 1;
72dc22f56858 Change the way we load keys/ports so we don't print error messages into our
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
361 }
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
362
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
363 if (svr_opts.bannerfile) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
364 struct stat buf;
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
365 if (stat(svr_opts.bannerfile, &buf) != 0) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
366 dropbear_exit("Error opening banner file '%s'",
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
367 svr_opts.bannerfile);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
368 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
369
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
370 if (buf.st_size > MAX_BANNER_SIZE) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
371 dropbear_exit("Banner file too large, max is %d bytes",
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
372 MAX_BANNER_SIZE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
373 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
374
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
375 svr_opts.banner = buf_new(buf.st_size);
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
376 if (buf_readfile(svr_opts.banner, svr_opts.bannerfile)!=DROPBEAR_SUCCESS) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
377 dropbear_exit("Error reading banner file '%s'",
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
378 svr_opts.bannerfile);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
379 }
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
380 buf_setpos(svr_opts.banner, 0);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
381 }
1534
ed930fd6f60f Added the -G option to allow logins only for users that are members of a certain group. This allows finer control of an instance on who can and cannot login over a certain instance (e.g. password and not key). Needs double-checking and ensuring it meets platform requirements.
stellarpower <stellarpower@googlemail.com>
parents: 1499
diff changeset
382
1551
1acbdf64088e add guard HAVE_GETGROUPLIST
Matt Johnston <matt@ucc.asn.au>
parents: 1538
diff changeset
383 #ifdef HAVE_GETGROUPLIST
1537
6a83b1944432 Fix restricted group code for BSDs, move to separate function
Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
384 if (svr_opts.restrict_group) {
6a83b1944432 Fix restricted group code for BSDs, move to separate function
Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
385 struct group *restrictedgroup = getgrnam(svr_opts.restrict_group);
1534
ed930fd6f60f Added the -G option to allow logins only for users that are members of a certain group. This allows finer control of an instance on who can and cannot login over a certain instance (e.g. password and not key). Needs double-checking and ensuring it meets platform requirements.
stellarpower <stellarpower@googlemail.com>
parents: 1499
diff changeset
386
1537
6a83b1944432 Fix restricted group code for BSDs, move to separate function
Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
387 if (restrictedgroup){
6a83b1944432 Fix restricted group code for BSDs, move to separate function
Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
388 svr_opts.restrict_group_gid = restrictedgroup->gr_gid;
6a83b1944432 Fix restricted group code for BSDs, move to separate function
Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
389 } else {
6a83b1944432 Fix restricted group code for BSDs, move to separate function
Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
390 dropbear_exit("Cannot restrict logins to group '%s' as the group does not exist", svr_opts.restrict_group);
6a83b1944432 Fix restricted group code for BSDs, move to separate function
Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
391 }
6a83b1944432 Fix restricted group code for BSDs, move to separate function
Matt Johnston <matt@ucc.asn.au>
parents: 1535
diff changeset
392 }
1551
1acbdf64088e add guard HAVE_GETGROUPLIST
Matt Johnston <matt@ucc.asn.au>
parents: 1538
diff changeset
393 #endif
1834
94dc11094e26 Increase max window size to 10MB, fallback rather than
Matt Johnston <matt@codeconstruct.com.au>
parents: 1819
diff changeset
394
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
395 if (recv_window_arg) {
1834
94dc11094e26 Increase max window size to 10MB, fallback rather than
Matt Johnston <matt@codeconstruct.com.au>
parents: 1819
diff changeset
396 parse_recv_window(recv_window_arg);
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
397 }
1442
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
398
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
399 if (maxauthtries_arg) {
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
400 unsigned int val = 0;
1445
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
401 if (m_str_to_uint(maxauthtries_arg, &val) == DROPBEAR_FAILURE
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
402 || val == 0) {
1442
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
403 dropbear_exit("Bad maxauthtries '%s'", maxauthtries_arg);
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
404 }
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
405 svr_opts.maxauthtries = val;
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
406 }
517c67cbcd31 dropbear server: support -T max auth tries
Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
parents: 1404
diff changeset
407
1834
94dc11094e26 Increase max window size to 10MB, fallback rather than
Matt Johnston <matt@codeconstruct.com.au>
parents: 1819
diff changeset
408
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
409 if (keepalive_arg) {
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
410 unsigned int val;
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
411 if (m_str_to_uint(keepalive_arg, &val) == DROPBEAR_FAILURE) {
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
412 dropbear_exit("Bad keepalive '%s'", keepalive_arg);
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
413 }
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
414 opts.keepalive_secs = val;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
415 }
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
416
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
417 if (idle_timeout_arg) {
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
418 unsigned int val;
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
419 if (m_str_to_uint(idle_timeout_arg, &val) == DROPBEAR_FAILURE) {
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
420 dropbear_exit("Bad idle_timeout '%s'", idle_timeout_arg);
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
421 }
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
422 opts.idle_timeout_secs = val;
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
423 }
1290
ee2ffa044c7e Add manpage and log for forced_command
Matt Johnston <matt@ucc.asn.au>
parents: 1289
diff changeset
424
ee2ffa044c7e Add manpage and log for forced_command
Matt Johnston <matt@ucc.asn.au>
parents: 1289
diff changeset
425 if (svr_opts.forced_command) {
ee2ffa044c7e Add manpage and log for forced_command
Matt Johnston <matt@ucc.asn.au>
parents: 1289
diff changeset
426 dropbear_log(LOG_INFO, "Forced command set to '%s'", svr_opts.forced_command);
ee2ffa044c7e Add manpage and log for forced_command
Matt Johnston <matt@ucc.asn.au>
parents: 1289
diff changeset
427 }
1861
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
428
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
429 #if INETD_MODE
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
430 if (svr_opts.inetdmode && (
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
431 opts.usingsyslog == 0
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
432 #if DEBUG_TRACE
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
433 || debug_trace
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
434 #endif
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
435 )) {
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
436 /* log output goes to stderr which would get sent over the inetd network socket */
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
437 dropbear_exit("Dropbear inetd mode is incompatible with debug -v or non-syslog");
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
438 }
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
439 #endif
2b3a8026a6ce Add re-exec for server
Matt Johnston <matt@ucc.asn.au>
parents: 1856
diff changeset
440
1654
cc0fc5131c5c Rename EPKA -> Plugin
Matt Johnston <matt@ucc.asn.au>
parents: 1653
diff changeset
441 #if DROPBEAR_PLUGIN
1653
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
442 if (pubkey_plugin) {
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
443 char *args = strchr(pubkey_plugin, ',');
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
444 if (args) {
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
445 *args='\0';
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
446 ++args;
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
447 }
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
448 svr_opts.pubkey_plugin = pubkey_plugin;
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
449 svr_opts.pubkey_plugin_options = args;
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
450 }
76189c9ffea2 External Public-Key Authentication API (#72)
fabriziobertocci <fabriziobertocci@gmail.com>
parents: 1603
diff changeset
451 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
452 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
453
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
454 static void addportandaddress(const char* spec) {
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
455 char *spec_copy = NULL, *myspec = NULL, *port = NULL, *address = NULL;
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
456
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
457 if (svr_opts.portcount < DROPBEAR_MAX_PORTS) {
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
458
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
459 /* We don't free it, it becomes part of the runopt state */
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
460 spec_copy = m_strdup(spec);
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
461 myspec = spec_copy;
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
462
706
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
463 if (myspec[0] == '[') {
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
464 myspec++;
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
465 port = strchr(myspec, ']');
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
466 if (!port) {
706
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
467 /* Unmatched [ -> exit */
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
468 dropbear_exit("Bad listen address");
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
469 }
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
470 port[0] = '\0';
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
471 port++;
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
472 if (port[0] != ':') {
706
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
473 /* Missing port -> exit */
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
474 dropbear_exit("Missing port");
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
475 }
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
476 } else {
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
477 /* search for ':', that separates address and port */
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
478 port = strrchr(myspec, ':');
706
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
479 }
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
480
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
481 if (!port) {
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
482 /* no ':' -> the whole string specifies just a port */
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
483 port = myspec;
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
484 } else {
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
485 /* Split the address/port */
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
486 port[0] = '\0';
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
487 port++;
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
488 address = myspec;
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
489 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
490
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
491 if (!address) {
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
492 /* no address given -> fill in the default address */
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
493 address = DROPBEAR_DEFADDRESS;
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
494 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
495
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
496 if (port[0] == '\0') {
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
497 /* empty port -> exit */
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
498 dropbear_exit("Bad port");
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
499 }
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
500 svr_opts.ports[svr_opts.portcount] = m_strdup(port);
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
501 svr_opts.addresses[svr_opts.portcount] = m_strdup(address);
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
502 svr_opts.portcount++;
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
503 m_free(spec_copy);
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
504 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
505 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
506
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
507 static void disablekey(int type) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
508 int i;
802
4029d3432a4f Fix broken disablekey()
Matt Johnston <matt@ucc.asn.au>
parents: 795
diff changeset
509 TRACE(("Disabling key type %d", type))
1678
4b4cfc92c5b7 Make server send SSH_MSG_EXT_INFO
Matt Johnston <matt@ucc.asn.au>
parents: 1659
diff changeset
510 for (i = 0; sigalgs[i].name != NULL; i++) {
4b4cfc92c5b7 Make server send SSH_MSG_EXT_INFO
Matt Johnston <matt@ucc.asn.au>
parents: 1659
diff changeset
511 if (sigalgs[i].val == type) {
4b4cfc92c5b7 Make server send SSH_MSG_EXT_INFO
Matt Johnston <matt@ucc.asn.au>
parents: 1659
diff changeset
512 sigalgs[i].usable = 0;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
513 break;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
514 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
515 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
516 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
517
807
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
518 static void loadhostkey_helper(const char *name, void** src, void** dst, int fatal_duplicate) {
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
519 if (*dst) {
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
520 if (fatal_duplicate) {
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
521 dropbear_exit("Only one %s key can be specified", name);
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
522 }
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
523 } else {
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
524 *dst = *src;
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
525 *src = NULL;
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
526 }
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
527
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
528 }
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
529
101
72dc22f56858 Change the way we load keys/ports so we don't print error messages into our
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
530 /* Must be called after syslog/etc is working */
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
531 static void loadhostkey(const char *keyfile, int fatal_duplicate) {
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
532 sign_key * read_key = new_sign_key();
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
533 enum signkey_type type = DROPBEAR_SIGNKEY_ANY;
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
534 if (readhostkey(keyfile, read_key, &type) == DROPBEAR_FAILURE) {
976
964d41e3aeb2 Don't print "Failed loading hostkey" when -R delayed hostkey option is enabled
Steven Honeyman <stevenhoneyman@gmail.com>
parents: 948
diff changeset
535 if (!svr_opts.delay_hostkey) {
964d41e3aeb2 Don't print "Failed loading hostkey" when -R delayed hostkey option is enabled
Steven Honeyman <stevenhoneyman@gmail.com>
parents: 948
diff changeset
536 dropbear_log(LOG_WARNING, "Failed loading %s", keyfile);
964d41e3aeb2 Don't print "Failed loading hostkey" when -R delayed hostkey option is enabled
Steven Honeyman <stevenhoneyman@gmail.com>
parents: 948
diff changeset
537 }
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
538 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
539
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
540 #if DROPBEAR_RSA
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
541 if (type == DROPBEAR_SIGNKEY_RSA) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 847
diff changeset
542 loadhostkey_helper("RSA", (void**)&read_key->rsakey, (void**)&svr_opts.hostkey->rsakey, fatal_duplicate);
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
543 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
544 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
545
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
546 #if DROPBEAR_DSS
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
547 if (type == DROPBEAR_SIGNKEY_DSS) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 847
diff changeset
548 loadhostkey_helper("DSS", (void**)&read_key->dsskey, (void**)&svr_opts.hostkey->dsskey, fatal_duplicate);
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
549 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
550 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
551
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
552 #if DROPBEAR_ECDSA
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
553 #if DROPBEAR_ECC_256
807
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
554 if (type == DROPBEAR_SIGNKEY_ECDSA_NISTP256) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 847
diff changeset
555 loadhostkey_helper("ECDSA256", (void**)&read_key->ecckey256, (void**)&svr_opts.hostkey->ecckey256, fatal_duplicate);
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
556 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
557 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
558 #if DROPBEAR_ECC_384
807
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
559 if (type == DROPBEAR_SIGNKEY_ECDSA_NISTP384) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 847
diff changeset
560 loadhostkey_helper("ECDSA384", (void**)&read_key->ecckey384, (void**)&svr_opts.hostkey->ecckey384, fatal_duplicate);
807
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
561 }
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
562 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
563 #if DROPBEAR_ECC_521
807
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
564 if (type == DROPBEAR_SIGNKEY_ECDSA_NISTP521) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 847
diff changeset
565 loadhostkey_helper("ECDSA521", (void**)&read_key->ecckey521, (void**)&svr_opts.hostkey->ecckey521, fatal_duplicate);
807
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
566 }
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
567 #endif
857
c19acba28590 use oldstyle comments
Matt Johnston <matt@ucc.asn.au>
parents: 852
diff changeset
568 #endif /* DROPBEAR_ECDSA */
1659
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
569
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
570 #if DROPBEAR_ED25519
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
571 if (type == DROPBEAR_SIGNKEY_ED25519) {
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
572 loadhostkey_helper("ed25519", (void**)&read_key->ed25519key, (void**)&svr_opts.hostkey->ed25519key, fatal_duplicate);
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
573 }
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
574 #endif
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
575
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
576 sign_key_free(read_key);
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
577 TRACE(("leave loadhostkey"))
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
578 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
579
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
580 static void addhostkey(const char *keyfile) {
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
581 if (svr_opts.num_hostkey_files >= MAX_HOSTKEYS) {
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
582 dropbear_exit("Too many hostkeys");
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
583 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
584 svr_opts.hostkey_files[svr_opts.num_hostkey_files] = m_strdup(keyfile);
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
585 svr_opts.num_hostkey_files++;
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
586 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
587
1347
b28624698130 copy over some fuzzing code from AFL branch
Matt Johnston <matt@ucc.asn.au>
parents: 1210
diff changeset
588
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
589 void load_all_hostkeys() {
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
590 int i;
873
17b15683648d Exit if we don't have keys and -R wasn't specified
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
591 int any_keys = 0;
1681
435cfb9ec96e send and handle SSH_MSG_EXT_INFO only at the correct point
Matt Johnston <matt@ucc.asn.au>
parents: 1678
diff changeset
592 #if DROPBEAR_ECDSA
1603
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
593 int loaded_any_ecdsa = 0;
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
594 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
595
101
72dc22f56858 Change the way we load keys/ports so we don't print error messages into our
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
596 svr_opts.hostkey = new_sign_key();
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
597
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
598 for (i = 0; i < svr_opts.num_hostkey_files; i++) {
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
599 char *hostkey_file = svr_opts.hostkey_files[i];
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
600 loadhostkey(hostkey_file, 1);
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
601 m_free(hostkey_file);
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
602 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
603
1532
3616ec41d03d Only load dropbear default host keys if a key is not specified
CamVan Nguyen <ctnguyen@us.ibm.com>
parents: 1499
diff changeset
604 /* Only load default host keys if a host key is not specified by the user */
3616ec41d03d Only load dropbear default host keys if a key is not specified
CamVan Nguyen <ctnguyen@us.ibm.com>
parents: 1499
diff changeset
605 if (svr_opts.num_hostkey_files == 0) {
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
606 #if DROPBEAR_RSA
1532
3616ec41d03d Only load dropbear default host keys if a key is not specified
CamVan Nguyen <ctnguyen@us.ibm.com>
parents: 1499
diff changeset
607 loadhostkey(RSA_PRIV_FILENAME, 0);
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
608 #endif
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
609
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
610 #if DROPBEAR_DSS
1532
3616ec41d03d Only load dropbear default host keys if a key is not specified
CamVan Nguyen <ctnguyen@us.ibm.com>
parents: 1499
diff changeset
611 loadhostkey(DSS_PRIV_FILENAME, 0);
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
612 #endif
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
613
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
614 #if DROPBEAR_ECDSA
1532
3616ec41d03d Only load dropbear default host keys if a key is not specified
CamVan Nguyen <ctnguyen@us.ibm.com>
parents: 1499
diff changeset
615 loadhostkey(ECDSA_PRIV_FILENAME, 0);
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
616 #endif
1659
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
617 #if DROPBEAR_ED25519
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
618 loadhostkey(ED25519_PRIV_FILENAME, 0);
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
619 #endif
1538
f20038b513a5 more linting (#58)
François Perrad <francois.perrad@gadz.org>
parents: 1537
diff changeset
620 }
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
621
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
622 #if DROPBEAR_RSA
1603
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
623 if (!svr_opts.delay_hostkey && !svr_opts.hostkey->rsakey) {
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
624 disablekey(DROPBEAR_SIGNKEY_RSA);
876
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
625 } else {
873
17b15683648d Exit if we don't have keys and -R wasn't specified
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
626 any_keys = 1;
17b15683648d Exit if we don't have keys and -R wasn't specified
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
627 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
628 #endif
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
629
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
630 #if DROPBEAR_DSS
1603
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
631 if (!svr_opts.delay_hostkey && !svr_opts.hostkey->dsskey) {
876
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
632 disablekey(DROPBEAR_SIGNKEY_DSS);
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
633 } else {
873
17b15683648d Exit if we don't have keys and -R wasn't specified
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
634 any_keys = 1;
17b15683648d Exit if we don't have keys and -R wasn't specified
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
635 }
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
636 #endif
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
637
1603
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
638 #if DROPBEAR_ECDSA
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
639 /* We want to advertise a single ecdsa algorithm size.
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
640 - If there is a ecdsa hostkey at startup we choose that that size.
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
641 - If we generate at runtime we choose the default ecdsa size.
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
642 - Otherwise no ecdsa keys will be advertised */
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
643
1603
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
644 /* check if any keys were loaded at startup */
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
645 loaded_any_ecdsa =
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
646 0
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
647 #if DROPBEAR_ECC_256
1603
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
648 || svr_opts.hostkey->ecckey256
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
649 #endif
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
650 #if DROPBEAR_ECC_384
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
651 || svr_opts.hostkey->ecckey384
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
652 #endif
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
653 #if DROPBEAR_ECC_521
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
654 || svr_opts.hostkey->ecckey521
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
655 #endif
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
656 ;
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
657 any_keys |= loaded_any_ecdsa;
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
658
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
659 /* Or an ecdsa key could be generated at runtime */
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
660 any_keys |= svr_opts.delay_hostkey;
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
661
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
662 /* At most one ecdsa key size will be left enabled */
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
663 #if DROPBEAR_ECC_256
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
664 if (!svr_opts.hostkey->ecckey256
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
665 && (!svr_opts.delay_hostkey || loaded_any_ecdsa || ECDSA_DEFAULT_SIZE != 256 )) {
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
666 disablekey(DROPBEAR_SIGNKEY_ECDSA_NISTP256);
873
17b15683648d Exit if we don't have keys and -R wasn't specified
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
667 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
668 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
669 #if DROPBEAR_ECC_384
1603
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
670 if (!svr_opts.hostkey->ecckey384
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
671 && (!svr_opts.delay_hostkey || loaded_any_ecdsa || ECDSA_DEFAULT_SIZE != 384 )) {
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
672 disablekey(DROPBEAR_SIGNKEY_ECDSA_NISTP384);
873
17b15683648d Exit if we don't have keys and -R wasn't specified
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
673 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
674 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1290
diff changeset
675 #if DROPBEAR_ECC_521
1603
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
676 if (!svr_opts.hostkey->ecckey521
0dc3103a5900 Only advertise a single server ecdsa key when -R (generate as required) is
Matt Johnston <matt@ucc.asn.au>
parents: 1557
diff changeset
677 && (!svr_opts.delay_hostkey || loaded_any_ecdsa || ECDSA_DEFAULT_SIZE != 521 )) {
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
678 disablekey(DROPBEAR_SIGNKEY_ECDSA_NISTP521);
873
17b15683648d Exit if we don't have keys and -R wasn't specified
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
679 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
680 #endif
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
681 #endif /* DROPBEAR_ECDSA */
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
682
1659
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
683 #if DROPBEAR_ED25519
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
684 if (!svr_opts.delay_hostkey && !svr_opts.hostkey->ed25519key) {
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
685 disablekey(DROPBEAR_SIGNKEY_ED25519);
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
686 } else {
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
687 any_keys = 1;
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
688 }
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
689 #endif
d32bcb5c557d Add Ed25519 support (#91)
Vladislav Grishenko <themiron@users.noreply.github.com>
parents: 1654
diff changeset
690
876
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
691 if (!any_keys) {
1177
53751952ed95 mention dropbearkey too
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692 dropbear_exit("No hostkeys available. 'dropbear -R' may be useful or run dropbearkey.");
873
17b15683648d Exit if we don't have keys and -R wasn't specified
Matt Johnston <matt@ucc.asn.au>
parents: 857
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693 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
694 }