annotate svr-runopts.c @ 608:4fbf9a7556ed

Use mp_init_size() to avoid some mp_grow()s
author Matt Johnston <matt@ucc.asn.au>
date Fri, 18 Mar 2011 14:31:07 +0000
parents a98a2138364a
children e27d7fb23376
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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
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32 svr_runopts svr_opts; /* GLOBAL */
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33
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34 static void printhelp(const char * progname);
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35 static void addportandaddress(char* spec);
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36
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37 static void printhelp(const char * progname) {
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38
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39 fprintf(stderr, "Dropbear sshd v%s\n"
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40 "Usage: %s [options]\n"
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41 "Options are:\n"
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42 "-b bannerfile Display the contents of bannerfile"
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43 " before user login\n"
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44 " (default: none)\n"
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45 #ifdef DROPBEAR_DSS
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46 "-d dsskeyfile Use dsskeyfile for the DSS host key\n"
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47 " (default: %s)\n"
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48 #endif
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49 #ifdef DROPBEAR_RSA
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50 "-r rsakeyfile Use rsakeyfile for the RSA host key\n"
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51 " (default: %s)\n"
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52 #endif
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53 "-F Don't fork into background\n"
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54 #ifdef DISABLE_SYSLOG
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55 "(Syslog support not compiled in, using stderr)\n"
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56 #else
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57 "-E Log to stderr rather than syslog\n"
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58 #endif
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59 #ifdef DO_MOTD
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60 "-m Don't display the motd on login\n"
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61 #endif
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62 "-w Disallow root logins\n"
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63 #if defined(ENABLE_SVR_PASSWORD_AUTH) || defined(ENABLE_SVR_PAM_AUTH)
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64 "-s Disable password logins\n"
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65 "-g Disable password logins for root\n"
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66 #endif
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67 #ifdef ENABLE_SVR_LOCALTCPFWD
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68 "-j Disable local port forwarding\n"
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69 #endif
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70 #ifdef ENABLE_SVR_REMOTETCPFWD
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71 "-k Disable remote port forwarding\n"
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72 "-a Allow connections to forwarded ports from any host\n"
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73 #endif
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74 "-p [address:]port\n"
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75 " Listen on specified tcp port (and optionally address),\n"
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76 " up to %d can be specified\n"
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77 " (default port is %s if none specified)\n"
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78 "-P PidFile Create pid file PidFile\n"
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79 " (default %s)\n"
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80 #ifdef INETD_MODE
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81 "-i Start for inetd\n"
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82 #endif
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83 "-W <receive_window_buffer> (default %d, larger may be faster, max 1MB)\n"
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84 "-K <keepalive> (0 is never, default %d)\n"
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85 "-I <idle_timeout> (0 is never, default %d)\n"
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86 #ifdef DEBUG_TRACE
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87 "-v verbose (compiled with DEBUG_TRACE)\n"
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88 #endif
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89 ,DROPBEAR_VERSION, progname,
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90 #ifdef DROPBEAR_DSS
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91 DSS_PRIV_FILENAME,
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92 #endif
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93 #ifdef DROPBEAR_RSA
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94 RSA_PRIV_FILENAME,
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95 #endif
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96 DROPBEAR_MAX_PORTS, DROPBEAR_DEFPORT, DROPBEAR_PIDFILE,
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97 DEFAULT_RECV_WINDOW, DEFAULT_KEEPALIVE, DEFAULT_IDLE_TIMEOUT);
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98 }
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99
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100 void svr_getopts(int argc, char ** argv) {
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101
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102 unsigned int i;
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103 char ** next = 0;
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104 int nextisport = 0;
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105 char* recv_window_arg = NULL;
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106 char* keepalive_arg = NULL;
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107 char* idle_timeout_arg = NULL;
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108
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109 /* see printhelp() for options */
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110 svr_opts.rsakeyfile = NULL;
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111 svr_opts.dsskeyfile = NULL;
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112 svr_opts.bannerfile = NULL;
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113 svr_opts.banner = NULL;
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114 svr_opts.forkbg = 1;
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115 svr_opts.norootlogin = 0;
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116 svr_opts.noauthpass = 0;
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117 svr_opts.norootpass = 0;
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118 svr_opts.inetdmode = 0;
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119 svr_opts.portcount = 0;
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120 svr_opts.hostkey = NULL;
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121 svr_opts.pidfile = DROPBEAR_PIDFILE;
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122 #ifdef ENABLE_SVR_LOCALTCPFWD
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123 svr_opts.nolocaltcp = 0;
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124 #endif
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125 #ifdef ENABLE_SVR_REMOTETCPFWD
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126 svr_opts.noremotetcp = 0;
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127 #endif
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128 #ifndef DISABLE_ZLIB
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129 opts.enable_compress = 1;
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130 #endif
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131 /* not yet
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132 opts.ipv4 = 1;
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133 opts.ipv6 = 1;
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134 */
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135 #ifdef DO_MOTD
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136 svr_opts.domotd = 1;
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137 #endif
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138 #ifndef DISABLE_SYSLOG
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139 svr_opts.usingsyslog = 1;
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140 #endif
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141 opts.recv_window = DEFAULT_RECV_WINDOW;
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142 opts.keepalive_secs = DEFAULT_KEEPALIVE;
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143 opts.idle_timeout_secs = DEFAULT_IDLE_TIMEOUT;
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Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
144
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
145 #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
146 opts.listen_fwd_all = 0;
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
147 #endif
4
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diff changeset
148
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parents:
diff changeset
149 for (i = 1; i < (unsigned int)argc; i++) {
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
150 if (nextisport) {
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
151 addportandaddress(argv[i]);
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
152 nextisport = 0;
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
153 continue;
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
154 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
155
4
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parents:
diff changeset
156 if (next) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
157 *next = argv[i];
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
158 if (*next == NULL) {
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
159 dropbear_exit("Invalid null argument");
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
160 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
161 next = 0x00;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
162 continue;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
163 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
165 if (argv[i][0] == '-') {
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parents:
diff changeset
166 switch (argv[i][1]) {
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diff changeset
167 case 'b':
24
469950e86d0f switching to global vars
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parents: 4
diff changeset
168 next = &svr_opts.bannerfile;
4
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parents:
diff changeset
169 break;
fe6bca95afa7 Makefile.in contains updated files required
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parents:
diff changeset
170 #ifdef DROPBEAR_DSS
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parents:
diff changeset
171 case 'd':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
172 next = &svr_opts.dsskeyfile;
4
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parents:
diff changeset
173 break;
fe6bca95afa7 Makefile.in contains updated files required
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parents:
diff changeset
174 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
175 #ifdef DROPBEAR_RSA
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parents:
diff changeset
176 case 'r':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
177 next = &svr_opts.rsakeyfile;
4
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diff changeset
178 break;
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parents:
diff changeset
179 #endif
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parents:
diff changeset
180 case 'F':
24
469950e86d0f switching to global vars
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parents: 4
diff changeset
181 svr_opts.forkbg = 0;
4
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parents:
diff changeset
182 break;
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parents:
diff changeset
183 #ifndef DISABLE_SYSLOG
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parents:
diff changeset
184 case 'E':
24
469950e86d0f switching to global vars
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parents: 4
diff changeset
185 svr_opts.usingsyslog = 0;
4
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parents:
diff changeset
186 break;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
187 #endif
271
be18c7dd486e Fix up #ifdefs for tcp forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
188 #ifdef ENABLE_SVR_LOCALTCPFWD
4
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diff changeset
189 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
190 svr_opts.nolocaltcp = 1;
4
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
191 break;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
192 #endif
271
be18c7dd486e Fix up #ifdefs for tcp forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
193 #ifdef ENABLE_SVR_REMOTETCPFWD
4
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parents:
diff changeset
194 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
195 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
196 break;
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
197 case 'a':
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 = 1;
4
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parents:
diff changeset
199 break;
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parents:
diff changeset
200 #endif
71
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
201 #ifdef INETD_MODE
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
202 case 'i':
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
203 svr_opts.inetdmode = 1;
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
204 break;
ac96bc733e71 adding inetd mode back from 0.43
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
205 #endif
4
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parents:
diff changeset
206 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
207 nextisport = 1;
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
208 break;
323
3bfbe95f9a14 Add -P pidfile patch from Swen Schillig
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
209 case 'P':
3bfbe95f9a14 Add -P pidfile patch from Swen Schillig
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
210 next = &svr_opts.pidfile;
3bfbe95f9a14 Add -P pidfile patch from Swen Schillig
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
211 break;
4
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
212 #ifdef DO_MOTD
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parents:
diff changeset
213 /* motd is displayed by default, -m turns it off */
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parents:
diff changeset
214 case 'm':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
215 svr_opts.domotd = 0;
4
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parents:
diff changeset
216 break;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
217 #endif
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parents:
diff changeset
218 case 'w':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
219 svr_opts.norootlogin = 1;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
220 break;
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
221 case 'W':
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
222 next = &recv_window_arg;
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
223 break;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
224 case 'K':
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
225 next = &keepalive_arg;
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
226 break;
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
227 case 'I':
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
228 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
229 break;
121
9337c9f9a607 PAM improvements
Matt Johnston <matt@ucc.asn.au>
parents: 104
diff changeset
230 #if defined(ENABLE_SVR_PASSWORD_AUTH) || defined(ENABLE_SVR_PAM_AUTH)
4
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parents:
diff changeset
231 case 's':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
232 svr_opts.noauthpass = 1;
4
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parents:
diff changeset
233 break;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
234 case 'g':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
235 svr_opts.norootpass = 1;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
236 break;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
237 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
238 case 'h':
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
239 printhelp(argv[0]);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
240 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
241 break;
442
d82a2a44c684 Add -u option to specify /dev/urandom instead
Matt Johnston <matt@ucc.asn.au>
parents: 435
diff changeset
242 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
243 /* 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
244 break;
94
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
245 #ifdef DEBUG_TRACE
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
246 case 'v':
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
247 debug_trace = 1;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
248 break;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 91
diff changeset
249 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
250 default:
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
251 fprintf(stderr, "Unknown argument %s\n", argv[i]);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
252 printhelp(argv[0]);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
253 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
254 break;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
255 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
256 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
257 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
258
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
259 /* 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
260 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
261 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
262 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
263 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
264 }
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
265
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
266 if (svr_opts.dsskeyfile == NULL) {
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
267 svr_opts.dsskeyfile = DSS_PRIV_FILENAME;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
268 }
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
269 if (svr_opts.rsakeyfile == NULL) {
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
270 svr_opts.rsakeyfile = RSA_PRIV_FILENAME;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
271 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
272
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
273 if (svr_opts.bannerfile) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
274 struct stat buf;
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
275 if (stat(svr_opts.bannerfile, &buf) != 0) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
276 dropbear_exit("Error opening banner file '%s'",
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
277 svr_opts.bannerfile);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
278 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
279
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
280 if (buf.st_size > MAX_BANNER_SIZE) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
281 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
282 MAX_BANNER_SIZE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
283 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
284
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
285 svr_opts.banner = buf_new(buf.st_size);
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
286 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
287 dropbear_exit("Error reading banner file '%s'",
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
288 svr_opts.bannerfile);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
289 }
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
290 buf_setpos(svr_opts.banner, 0);
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
291
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
292 }
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
293
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
294 if (recv_window_arg) {
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
295 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
296 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
297 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
298 }
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
299 }
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
300
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
301 if (keepalive_arg) {
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
302 unsigned int val;
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
303 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
304 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
305 }
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
306 opts.keepalive_secs = val;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
307 }
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
308
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 510
diff changeset
309 if (idle_timeout_arg) {
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
310 unsigned int val;
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
311 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
312 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
313 }
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 513
diff changeset
314 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
315 }
4
fe6bca95afa7 Makefile.in contains updated files required
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parents:
diff changeset
316 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
317
434
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
318 static void addportandaddress(char* spec) {
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
319
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
320 char *myspec = NULL;
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
321
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
322 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
323
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
324 /* We don't free it, it becomes part of the runopt state */
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
325 myspec = m_strdup(spec);
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
326
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
327 /* search for ':', that separates address and port */
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
328 svr_opts.ports[svr_opts.portcount] = strchr(myspec, ':');
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
329
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
330 if (svr_opts.ports[svr_opts.portcount] == NULL) {
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
331 /* no ':' -> the whole string specifies just a port */
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
332 svr_opts.ports[svr_opts.portcount] = myspec;
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
333 } else {
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
334 /* Split the address/port */
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
335 svr_opts.ports[svr_opts.portcount][0] = '\0';
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
336 svr_opts.ports[svr_opts.portcount]++;
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
337 svr_opts.addresses[svr_opts.portcount] = myspec;
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
338 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
339
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
340 if (svr_opts.addresses[svr_opts.portcount] == NULL) {
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
341 /* no address given -> fill in the default address */
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
342 svr_opts.addresses[svr_opts.portcount] = m_strdup(DROPBEAR_DEFADDRESS);
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
343 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
344
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
345 if (svr_opts.ports[svr_opts.portcount][0] == '\0') {
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
346 /* 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
347 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
348 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
349
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
350 svr_opts.portcount++;
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
351 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
352 }
0aaaf68e97dc Add -p [address:]port option for binding to addresses, patch from
Matt Johnston <matt@ucc.asn.au>
parents: 271
diff changeset
353
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
354 static void disablekey(int type, const char* filename) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
355
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
356 int i;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
357
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
358 for (i = 0; sshhostkey[i].name != NULL; i++) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
359 if (sshhostkey[i].val == type) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
360 sshhostkey[i].usable = 0;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
361 break;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
362 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
363 }
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
364 dropbear_log(LOG_WARNING, "Failed reading '%s', disabling %s", filename,
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
365 type == DROPBEAR_SIGNKEY_DSS ? "DSS" : "RSA");
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
366 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
367
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
368 /* Must be called after syslog/etc is working */
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
369 void loadhostkeys() {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
370
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
371 int ret;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
372 int type;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
373
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 121
diff changeset
374 TRACE(("enter loadhostkeys"))
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
375
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
376 svr_opts.hostkey = new_sign_key();
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
377
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
378 #ifdef DROPBEAR_RSA
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
379 type = DROPBEAR_SIGNKEY_RSA;
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
380 ret = readhostkey(svr_opts.rsakeyfile, svr_opts.hostkey, &type);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
381 if (ret == DROPBEAR_FAILURE) {
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
382 disablekey(DROPBEAR_SIGNKEY_RSA, svr_opts.rsakeyfile);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
383 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
384 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
385 #ifdef DROPBEAR_DSS
91
dc68f7624f17 Stupid DSS hostkey bug fixed.
Matt Johnston <matt@ucc.asn.au>
parents: 71
diff changeset
386 type = DROPBEAR_SIGNKEY_DSS;
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
387 ret = readhostkey(svr_opts.dsskeyfile, svr_opts.hostkey, &type);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
388 if (ret == DROPBEAR_FAILURE) {
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
389 disablekey(DROPBEAR_SIGNKEY_DSS, svr_opts.dsskeyfile);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
390 }
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
391 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
392
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
393 if ( 1
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
394 #ifdef DROPBEAR_DSS
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
395 && svr_opts.hostkey->dsskey == NULL
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
396 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
397 #ifdef DROPBEAR_RSA
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
398 && svr_opts.hostkey->rsakey == NULL
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
399 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
400 ) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
401 dropbear_exit("No hostkeys available");
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
402 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
403
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 121
diff changeset
404 TRACE(("leave loadhostkeys"))
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
405 }