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annotate svr-runopts.c @ 1289:a23386821e9f

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Add -c <command> option to force a specific command This change adds a -c option to dropbear, to force the session to use a specific command, in a similar fashion to OpenSSH's ForceCommand configuration option. This is useful to provide a simple fixed service over ssh, without requiring an authorized key file for the per-key forced_command option. This setting takes precedence over the channel session's provided command, and the per-key forced_command setting. Signed-off-by: Jeremy Kerr <[email protected]>
author Jeremy Kerr <jk@ozlabs.org>
date Tue, 12 Apr 2016 21:01:08 +0800
parents 64a50eac1030
children ee2ffa044c7e
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 svr_runopts svr_opts; /* GLOBAL */
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34
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35 static void printhelp(const char * progname);
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36 static void addportandaddress(const char* spec);
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37 static void loadhostkey(const char *keyfile, int fatal_duplicate);
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38 static void addhostkey(const char *keyfile);
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40 static void printhelp(const char * progname) {
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41
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42 fprintf(stderr, "Dropbear server v%s https://matt.ucc.asn.au/dropbear/dropbear.html\n"
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43 "Usage: %s [options]\n"
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44 "-b bannerfile Display the contents of bannerfile"
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45 " before user login\n"
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46 " (default: none)\n"
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47 "-r keyfile Specify hostkeys (repeatable)\n"
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48 " defaults: \n"
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49 #ifdef DROPBEAR_DSS
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50 " dss %s\n"
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51 #endif
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52 #ifdef DROPBEAR_RSA
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53 " rsa %s\n"
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54 #endif
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55 #ifdef DROPBEAR_ECDSA
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56 " ecdsa %s\n"
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57 #endif
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58 #ifdef DROPBEAR_DELAY_HOSTKEY
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59 "-R Create hostkeys as required\n"
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60 #endif
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61 "-F Don't fork into background\n"
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62 #ifdef DISABLE_SYSLOG
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63 "(Syslog support not compiled in, using stderr)\n"
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64 #else
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65 "-E Log to stderr rather than syslog\n"
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66 #endif
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67 #ifdef DO_MOTD
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68 "-m Don't display the motd on login\n"
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69 #endif
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70 "-w Disallow root logins\n"
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71 #if defined(ENABLE_SVR_PASSWORD_AUTH) || defined(ENABLE_SVR_PAM_AUTH)
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72 "-s Disable password logins\n"
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73 "-g Disable password logins for root\n"
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74 "-B Allow blank password logins\n"
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75 #endif
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76 #ifdef ENABLE_SVR_LOCALTCPFWD
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77 "-j Disable local port forwarding\n"
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78 #endif
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79 #ifdef ENABLE_SVR_REMOTETCPFWD
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80 "-k Disable remote port forwarding\n"
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81 "-a Allow connections to forwarded ports from any host\n"
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82 "-c command Force executed command\n"
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83 #endif
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84 "-p [address:]port\n"
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85 " Listen on specified tcp port (and optionally address),\n"
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86 " up to %d can be specified\n"
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87 " (default port is %s if none specified)\n"
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88 "-P PidFile Create pid file PidFile\n"
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89 " (default %s)\n"
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90 #ifdef INETD_MODE
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91 "-i Start for inetd\n"
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92 #endif
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93 "-W <receive_window_buffer> (default %d, larger may be faster, max 1MB)\n"
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94 "-K <keepalive> (0 is never, default %d, in seconds)\n"
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95 "-I <idle_timeout> (0 is never, default %d, in seconds)\n"
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96 "-V Version\n"
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97 #ifdef DEBUG_TRACE
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98 "-v verbose (compiled with DEBUG_TRACE)\n"
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99 #endif
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100 ,DROPBEAR_VERSION, progname,
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101 #ifdef DROPBEAR_DSS
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102 DSS_PRIV_FILENAME,
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103 #endif
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104 #ifdef DROPBEAR_RSA
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105 RSA_PRIV_FILENAME,
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106 #endif
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107 #ifdef DROPBEAR_ECDSA
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108 ECDSA_PRIV_FILENAME,
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109 #endif
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110 DROPBEAR_MAX_PORTS, DROPBEAR_DEFPORT, DROPBEAR_PIDFILE,
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111 DEFAULT_RECV_WINDOW, DEFAULT_KEEPALIVE, DEFAULT_IDLE_TIMEOUT);
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112 }
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113
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114 void svr_getopts(int argc, char ** argv) {
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115
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116 unsigned int i, j;
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117 char ** next = 0;
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118 int nextisport = 0;
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119 char* recv_window_arg = NULL;
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120 char* keepalive_arg = NULL;
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121 char* idle_timeout_arg = NULL;
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122 char* keyfile = NULL;
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123 char c;
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124
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125
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126 /* see printhelp() for options */
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127 svr_opts.bannerfile = NULL;
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128 svr_opts.banner = NULL;
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129 svr_opts.forced_command = NULL;
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130 svr_opts.forkbg = 1;
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131 svr_opts.norootlogin = 0;
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132 svr_opts.noauthpass = 0;
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133 svr_opts.norootpass = 0;
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134 svr_opts.allowblankpass = 0;
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135 svr_opts.inetdmode = 0;
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136 svr_opts.portcount = 0;
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137 svr_opts.hostkey = NULL;
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138 svr_opts.delay_hostkey = 0;
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139 svr_opts.pidfile = DROPBEAR_PIDFILE;
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140 #ifdef ENABLE_SVR_LOCALTCPFWD
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
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diff changeset
141 svr_opts.nolocaltcp = 0;
271
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parents: 258
diff changeset
142 #endif
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parents: 258
diff changeset
143 #ifdef ENABLE_SVR_REMOTETCPFWD
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
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parents: 165
diff changeset
144 svr_opts.noremotetcp = 0;
271
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parents: 258
diff changeset
145 #endif
996
47643024fc90 Disable non-delayed zlib for server
Matt Johnston <matt@ucc.asn.au>
parents: 976
diff changeset
146
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
147 #ifndef DISABLE_ZLIB
996
47643024fc90 Disable non-delayed zlib for server
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parents: 976
diff changeset
148 #if DROPBEAR_SERVER_DELAY_ZLIB
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parents: 976
diff changeset
149 opts.compress_mode = DROPBEAR_COMPRESS_DELAYED;
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diff changeset
150 #else
47643024fc90 Disable non-delayed zlib for server
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parents: 976
diff changeset
151 opts.compress_mode = DROPBEAR_COMPRESS_ON;
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
152 #endif
996
47643024fc90 Disable non-delayed zlib for server
Matt Johnston <matt@ucc.asn.au>
parents: 976
diff changeset
153 #endif
47643024fc90 Disable non-delayed zlib for server
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diff changeset
154
4
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diff changeset
155 /* not yet
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
156 opts.ipv4 = 1;
f789045062e6 Progressing client support
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parents: 24
diff changeset
157 opts.ipv6 = 1;
4
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diff changeset
158 */
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diff changeset
159 #ifdef DO_MOTD
24
469950e86d0f switching to global vars
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diff changeset
160 svr_opts.domotd = 1;
4
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diff changeset
161 #endif
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diff changeset
162 #ifndef DISABLE_SYSLOG
1210
64a50eac1030 Moved usingsyslog from svr_runopts to runopts.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1197
diff changeset
163 opts.usingsyslog = 1;
4
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164 #endif
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
165 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
166 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
167 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
168
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
169 #ifdef ENABLE_SVR_REMOTETCPFWD
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
170 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
171 #endif
4
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172
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173 for (i = 1; i < (unsigned int)argc; i++) {
1164
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diff changeset
174 if (argv[i][0] != '-' || argv[i][1] == '\0')
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parents: 1160
diff changeset
175 dropbear_exit("Invalid argument: %s", argv[i]);
795
7f604f9b3756 ecdsa is working
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parents: 716
diff changeset
176
1164
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parents: 1160
diff changeset
177 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
178 switch (c) {
4
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diff changeset
179 case 'b':
24
469950e86d0f switching to global vars
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parents: 4
diff changeset
180 next = &svr_opts.bannerfile;
4
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diff changeset
181 break;
1289
a23386821e9f Add -c <command> option to force a specific command
Jeremy Kerr <jk@ozlabs.org>
parents: 1210
diff changeset
182 case 'c':
a23386821e9f Add -c <command> option to force a specific command
Jeremy Kerr <jk@ozlabs.org>
parents: 1210
diff changeset
183 next = &svr_opts.forced_command;
a23386821e9f Add -c <command> option to force a specific command
Jeremy Kerr <jk@ozlabs.org>
parents: 1210
diff changeset
184 break;
4
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parents:
diff changeset
185 case 'd':
795
7f604f9b3756 ecdsa is working
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parents: 716
diff changeset
186 case 'r':
7f604f9b3756 ecdsa is working
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parents: 716
diff changeset
187 next = &keyfile;
4
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diff changeset
188 break;
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
189 case 'R':
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
190 svr_opts.delay_hostkey = 1;
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
191 break;
4
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parents:
diff changeset
192 case 'F':
24
469950e86d0f switching to global vars
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parents: 4
diff changeset
193 svr_opts.forkbg = 0;
4
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diff changeset
194 break;
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diff changeset
195 #ifndef DISABLE_SYSLOG
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diff changeset
196 case 'E':
1210
64a50eac1030 Moved usingsyslog from svr_runopts to runopts.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1197
diff changeset
197 opts.usingsyslog = 0;
4
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diff changeset
198 break;
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diff changeset
199 #endif
271
be18c7dd486e Fix up #ifdefs for tcp forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
200 #ifdef ENABLE_SVR_LOCALTCPFWD
4
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diff changeset
201 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
202 svr_opts.nolocaltcp = 1;
4
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diff changeset
203 break;
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diff changeset
204 #endif
271
be18c7dd486e Fix up #ifdefs for tcp forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
205 #ifdef ENABLE_SVR_REMOTETCPFWD
4
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diff changeset
206 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
207 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
208 break;
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
209 case 'a':
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
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diff changeset
210 opts.listen_fwd_all = 1;
4
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parents:
diff changeset
211 break;
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parents:
diff changeset
212 #endif
71
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
213 #ifdef INETD_MODE
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
214 case 'i':
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
215 svr_opts.inetdmode = 1;
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
216 break;
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
217 #endif
4
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parents:
diff changeset
218 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
219 nextisport = 1;
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
220 break;
323
3bfbe95f9a14 Add -P pidfile patch from Swen Schillig
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
221 case 'P':
3bfbe95f9a14 Add -P pidfile patch from Swen Schillig
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
222 next = &svr_opts.pidfile;
3bfbe95f9a14 Add -P pidfile patch from Swen Schillig
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
223 break;
4
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parents:
diff changeset
224 #ifdef DO_MOTD
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diff changeset
225 /* motd is displayed by default, -m turns it off */
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parents:
diff changeset
226 case 'm':
24
469950e86d0f switching to global vars
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parents: 4
diff changeset
227 svr_opts.domotd = 0;
4
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parents:
diff changeset
228 break;
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parents:
diff changeset
229 #endif
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diff changeset
230 case 'w':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
231 svr_opts.norootlogin = 1;
4
fe6bca95afa7 Makefile.in contains updated files required
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parents:
diff changeset
232 break;
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
233 case 'W':
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
234 next = &recv_window_arg;
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
235 break;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
236 case 'K':
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
237 next = &keepalive_arg;
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
238 break;
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
239 case 'I':
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
240 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
241 break;
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 104
diff changeset
242 #if defined(ENABLE_SVR_PASSWORD_AUTH) || defined(ENABLE_SVR_PAM_AUTH)
4
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parents:
diff changeset
243 case 's':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
244 svr_opts.noauthpass = 1;
4
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parents:
diff changeset
245 break;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
246 case 'g':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
247 svr_opts.norootpass = 1;
4
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parents:
diff changeset
248 break;
692
c58a15983808 Allow configuring "allow blank password option" at runtime
Paul Eggleton <paul.eggleton@linux.intel.com>
parents: 671
diff changeset
249 case 'B':
c58a15983808 Allow configuring "allow blank password option" at runtime
Paul Eggleton <paul.eggleton@linux.intel.com>
parents: 671
diff changeset
250 svr_opts.allowblankpass = 1;
c58a15983808 Allow configuring "allow blank password option" at runtime
Paul Eggleton <paul.eggleton@linux.intel.com>
parents: 671
diff changeset
251 break;
4
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parents:
diff changeset
252 #endif
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parents:
diff changeset
253 case 'h':
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parents:
diff changeset
254 printhelp(argv[0]);
946
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 876
diff changeset
255 exit(EXIT_SUCCESS);
4
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
256 break;
442
d82a2a44c684 Add -u option to specify /dev/urandom instead
Matt Johnston <matt@ucc.asn.au>
parents: 435
diff changeset
257 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
258 /* 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
259 break;
94
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
260 #ifdef DEBUG_TRACE
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
261 case 'v':
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
262 debug_trace = 1;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
263 break;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
264 #endif
946
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 876
diff changeset
265 case 'V':
948
f92eb625c48d - Don't use multichar constants since recent gcc complains
Matt Johnston <matt@ucc.asn.au>
parents: 946
diff changeset
266 print_version();
946
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 876
diff changeset
267 exit(EXIT_SUCCESS);
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 876
diff changeset
268 break;
4
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parents:
diff changeset
269 default:
1164
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Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
270 fprintf(stderr, "Invalid option -%c\n", c);
4
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parents:
diff changeset
271 printhelp(argv[0]);
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parents:
diff changeset
272 exit(EXIT_FAILURE);
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parents:
diff changeset
273 break;
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parents:
diff changeset
274 }
fe6bca95afa7 Makefile.in contains updated files required
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parents:
diff changeset
275 }
1164
8b6cba298768 Enable bundling
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parents: 1160
diff changeset
276
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
277 if (!next && !nextisport)
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
278 continue;
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
279
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
280 if (c == '\0') {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
281 i++;
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
282 j = 0;
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
283 if (!argv[i]) {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
284 dropbear_exit("Missing argument");
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
285 }
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
286 }
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
287
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
288 if (nextisport) {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
289 addportandaddress(&argv[i][j]);
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
290 nextisport = 0;
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
291 } else if (next) {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
292 *next = &argv[i][j];
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
293 if (*next == NULL) {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
294 dropbear_exit("Invalid null argument");
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
295 }
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
296 next = 0x00;
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
297
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
298 if (keyfile) {
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
299 addhostkey(keyfile);
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
300 keyfile = NULL;
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
301 }
8b6cba298768 Enable bundling
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
302 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
303 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
304
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
305 /* 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
306 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
307 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
308 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
309 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
310 }
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
311
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
312 if (svr_opts.bannerfile) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
313 struct stat buf;
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
314 if (stat(svr_opts.bannerfile, &buf) != 0) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
315 dropbear_exit("Error opening banner file '%s'",
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
316 svr_opts.bannerfile);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
317 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
318
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
319 if (buf.st_size > MAX_BANNER_SIZE) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
320 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
321 MAX_BANNER_SIZE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
322 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
323
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
324 svr_opts.banner = buf_new(buf.st_size);
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
325 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
326 dropbear_exit("Error reading banner file '%s'",
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
327 svr_opts.bannerfile);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
328 }
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
329 buf_setpos(svr_opts.banner, 0);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
330 }
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
331
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
332 if (recv_window_arg) {
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
333 opts.recv_window = atol(recv_window_arg);
492
b956d6151600 Replace calls to strtoul() with a helper m_str_to_uint()
Matt Johnston <matt@ucc.asn.au>
parents: 454
diff changeset
334 if (opts.recv_window == 0 || opts.recv_window > MAX_RECV_WINDOW) {
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
335 dropbear_exit("Bad recv window '%s'", recv_window_arg);
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
336 }
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
337 }
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
338
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
339 if (keepalive_arg) {
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
340 unsigned int val;
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
341 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
342 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
343 }
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
344 opts.keepalive_secs = val;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
345 }
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
346
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
347 if (idle_timeout_arg) {
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
348 unsigned int val;
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
349 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
350 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
351 }
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
352 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
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
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
356 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
357 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
358
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
359 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
360
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
361 /* 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
362 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
363 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
364
706
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
365 if (myspec[0] == '[') {
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
366 myspec++;
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
367 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
368 if (!port) {
706
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
369 /* Unmatched [ -> exit */
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
370 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
371 }
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
372 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
373 port++;
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
374 if (port[0] != ':') {
706
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
375 /* Missing port -> exit */
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
376 dropbear_exit("Missing port");
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
377 }
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
378 } else {
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
379 /* 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
380 port = strrchr(myspec, ':');
706
002cf09827c0 Allow specifying server "-p" options with ipv6 bracket notation,
Matt Johnston <matt@ucc.asn.au>
parents: 692
diff changeset
381 }
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
382
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
383 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
384 /* 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
385 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
386 } else {
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
387 /* 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
388 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
389 port++;
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
390 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
391 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
392
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
393 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
394 /* 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
395 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
396 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
397
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
398 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
399 /* 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
400 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
401 }
1197
86a9e0204c03 ports and addresses must be malloced to avoid segfault on exit
Matt Johnston <matt@ucc.asn.au>
parents: 1177
diff changeset
402 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
403 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
404 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
405 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
406 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
407 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
408
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
409 static void disablekey(int type) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
410 int i;
802
4029d3432a4f Fix broken disablekey()
Matt Johnston <matt@ucc.asn.au>
parents: 795
diff changeset
411 TRACE(("Disabling key type %d", type))
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
412 for (i = 0; sshhostkey[i].name != NULL; i++) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
413 if (sshhostkey[i].val == type) {
802
4029d3432a4f Fix broken disablekey()
Matt Johnston <matt@ucc.asn.au>
parents: 795
diff changeset
414 sshhostkey[i].usable = 0;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
415 break;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
416 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
417 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
418 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
419
807
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
420 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
421 if (*dst) {
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
422 if (fatal_duplicate) {
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
423 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
424 }
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
425 } else {
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
426 *dst = *src;
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
427 *src = NULL;
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
428 }
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
429
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
430 }
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
431
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
432 /* Must be called after syslog/etc is working */
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
433 static void loadhostkey(const char *keyfile, int fatal_duplicate) {
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
434 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
435 enum signkey_type type = DROPBEAR_SIGNKEY_ANY;
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
436 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
437 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
438 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
439 }
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
440 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
441
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
442 #ifdef DROPBEAR_RSA
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
443 if (type == DROPBEAR_SIGNKEY_RSA) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 847
diff changeset
444 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
445 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
446 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
447
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
448 #ifdef DROPBEAR_DSS
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
449 if (type == DROPBEAR_SIGNKEY_DSS) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 847
diff changeset
450 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
451 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
452 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
453
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
454 #ifdef DROPBEAR_ECDSA
807
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
455 #ifdef DROPBEAR_ECC_256
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
456 if (type == DROPBEAR_SIGNKEY_ECDSA_NISTP256) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 847
diff changeset
457 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
458 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
459 #endif
807
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
460 #ifdef DROPBEAR_ECC_384
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
461 if (type == DROPBEAR_SIGNKEY_ECDSA_NISTP384) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 847
diff changeset
462 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
463 }
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
464 #endif
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
465 #ifdef DROPBEAR_ECC_521
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
466 if (type == DROPBEAR_SIGNKEY_ECDSA_NISTP521) {
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 847
diff changeset
467 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
468 }
75509065db53 have separate ecdsa keys for each size
Matt Johnston <matt@ucc.asn.au>
parents: 802
diff changeset
469 #endif
857
c19acba28590 use oldstyle comments
Matt Johnston <matt@ucc.asn.au>
parents: 852
diff changeset
470 #endif /* DROPBEAR_ECDSA */
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
471 sign_key_free(read_key);
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
472 TRACE(("leave loadhostkey"))
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
473 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
474
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
475 static void addhostkey(const char *keyfile) {
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
476 if (svr_opts.num_hostkey_files >= MAX_HOSTKEYS) {
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
477 dropbear_exit("Too many hostkeys");
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
478 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
479 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
480 svr_opts.num_hostkey_files++;
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
481 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
482
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
483 void load_all_hostkeys() {
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
484 int i;
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
485 int disable_unset_keys = 1;
873
17b15683648d Exit if we don't have keys and -R wasn't specified
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
486 int any_keys = 0;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
487
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
488 svr_opts.hostkey = new_sign_key();
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
489
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
490 for (i = 0; i < svr_opts.num_hostkey_files; i++) {
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
491 char *hostkey_file = svr_opts.hostkey_files[i];
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
492 loadhostkey(hostkey_file, 1);
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
493 m_free(hostkey_file);
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
494 }
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
495
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
496 #ifdef DROPBEAR_RSA
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
497 loadhostkey(RSA_PRIV_FILENAME, 0);
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
498 #endif
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
499
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
500 #ifdef DROPBEAR_DSS
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
501 loadhostkey(DSS_PRIV_FILENAME, 0);
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
502 #endif
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
503
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
504 #ifdef DROPBEAR_ECDSA
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
505 loadhostkey(ECDSA_PRIV_FILENAME, 0);
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
506 #endif
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
507
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
508 #ifdef DROPBEAR_DELAY_HOSTKEY
876
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
509 if (svr_opts.delay_hostkey) {
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
510 disable_unset_keys = 0;
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
511 }
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
512 #endif
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
513
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
514 #ifdef DROPBEAR_RSA
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
515 if (disable_unset_keys && !svr_opts.hostkey->rsakey) {
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
516 disablekey(DROPBEAR_SIGNKEY_RSA);
876
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
517 } 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
518 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
519 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
520 #endif
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
521
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
522 #ifdef DROPBEAR_DSS
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
523 if (disable_unset_keys && !svr_opts.hostkey->dsskey) {
876
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
524 disablekey(DROPBEAR_SIGNKEY_DSS);
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
525 } 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
526 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
527 }
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
528 #endif
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
529
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
530
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
531 #ifdef DROPBEAR_ECDSA
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
532 #ifdef DROPBEAR_ECC_256
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
533 if ((disable_unset_keys || ECDSA_DEFAULT_SIZE != 256)
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
534 && !svr_opts.hostkey->ecckey256) {
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
535 disablekey(DROPBEAR_SIGNKEY_ECDSA_NISTP256);
876
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
536 } 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
537 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
538 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
539 #endif
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
540
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
541 #ifdef DROPBEAR_ECC_384
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
542 if ((disable_unset_keys || ECDSA_DEFAULT_SIZE != 384)
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
543 && !svr_opts.hostkey->ecckey384) {
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
544 disablekey(DROPBEAR_SIGNKEY_ECDSA_NISTP384);
876
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
545 } 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
546 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
547 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
548 #endif
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
549
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
550 #ifdef DROPBEAR_ECC_521
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
551 if ((disable_unset_keys || ECDSA_DEFAULT_SIZE != 521)
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
552 && !svr_opts.hostkey->ecckey521) {
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
553 disablekey(DROPBEAR_SIGNKEY_ECDSA_NISTP521);
876
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
554 } 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
555 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
556 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
557 #endif
847
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
558 #endif /* DROPBEAR_ECDSA */
f4bb964c8678 Add '-R' for delayed hostkey option
Matt Johnston <matt@ucc.asn.au>
parents: 846
diff changeset
559
876
5bfce5dcd461 Fix disabling DSS key
Matt Johnston <matt@ucc.asn.au>
parents: 873
diff changeset
560 if (!any_keys) {
1177
53751952ed95 mention dropbearkey too
Matt Johnston <matt@ucc.asn.au>
parents: 1176
diff changeset
561 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
diff changeset
562 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
563 }