Mercurial > dropbear

annotate svr-runopts.c @ 27:08da099e8337

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- Rename common-packet.c to packet.c - buf_burn the unencrypted read/write payload buffers after use to avoid sensitive contents sitting in memory for too long
author Matt Johnston <matt@ucc.asn.au>
date Tue, 27 Jul 2004 02:14:42 +0000
parents 469950e86d0f
children f789045062e6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4
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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 sign_key * loadhostkeys(const char * dsskeyfile,
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35 const char * rsakeyfile);
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36 static int readhostkey(const char * filename, sign_key * hostkey, int type);
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37 static void printhelp(const char * progname);
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38
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39 static void printhelp(const char * progname) {
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40
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41 fprintf(stderr, "Dropbear sshd v%s\n"
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42 "Usage: %s [options]\n"
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43 "Options are:\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 #ifdef DROPBEAR_DSS
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48 "-d dsskeyfile Use dsskeyfile for the dss host key\n"
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49 " (default: %s)\n"
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50 #endif
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51 #ifdef DROPBEAR_RSA
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52 "-r rsakeyfile Use rsakeyfile for the rsa host key\n"
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53 " (default: %s)\n"
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54 #endif
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55 "-F Don't fork into background\n"
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56 #ifdef DISABLE_SYSLOG
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57 "(Syslog support not compiled in, using stderr)\n"
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58 #else
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59 "-E Log to stderr rather than syslog\n"
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60 #endif
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61 #ifdef DO_MOTD
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62 "-m Don't display the motd on login\n"
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63 #endif
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64 "-w Disallow root logins\n"
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65 #ifdef DROPBEAR_PASSWORD_AUTH
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66 "-s Disable password logins\n"
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67 "-g Disable password logins for root\n"
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68 #endif
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69 #ifndef DISABLE_LOCALTCPFWD
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70 "-j Disable local port forwarding\n"
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71 #endif
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72 #ifndef DISABLE_REMOTETCPFWD
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73 "-k Disable remote port forwarding\n"
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74 #endif
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75 "-p port Listen on specified tcp port, up to %d can be specified\n"
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76 " (default %d if none specified)\n"
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77 /* "-4/-6 Disable listening on ipv4/ipv6 respectively\n"*/
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78
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79 ,DROPBEAR_VERSION, progname,
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80 #ifdef DROPBEAR_DSS
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81 DSS_PRIV_FILENAME,
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82 #endif
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83 #ifdef DROPBEAR_RSA
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84 RSA_PRIV_FILENAME,
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85 #endif
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86 DROPBEAR_MAX_PORTS, DROPBEAR_PORT);
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87 }
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88
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89 void svr_getopts(int argc, char ** argv) {
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90
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91 unsigned int i;
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92 char ** next = 0;
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93 unsigned int portnum = 0;
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94 char *portstring[DROPBEAR_MAX_PORTS];
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95 unsigned int longport;
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96
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97 /* see printhelp() for options */
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98 svr_opts.rsakeyfile = NULL;
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99 svr_opts.dsskeyfile = NULL;
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100 svr_opts.bannerfile = NULL;
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101 svr_opts.banner = NULL;
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102 svr_opts.forkbg = 1;
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103 svr_opts.norootlogin = 0;
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104 svr_opts.noauthpass = 0;
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105 svr_opts.norootpass = 0;
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106 opts.nolocaltcp = 0;
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107 opts.noremotetcp = 0;
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108 /* not yet
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109 svr_opts.ipv4 = 1;
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110 svr_opts.ipv6 = 1;
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111 */
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112 #ifdef DO_MOTD
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113 svr_opts.domotd = 1;
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114 #endif
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115 #ifndef DISABLE_SYSLOG
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116 svr_opts.usingsyslog = 1;
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117 #endif
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118
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119 for (i = 1; i < (unsigned int)argc; i++) {
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120 if (next) {
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121 *next = argv[i];
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122 if (*next == NULL) {
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123 dropbear_exit("Invalid null argument");
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124 }
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125 next = 0x00;
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126 continue;
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127 }
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128
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129 if (argv[i][0] == '-') {
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130 switch (argv[i][1]) {
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131 case 'b':
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132 next = &svr_opts.bannerfile;
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133 break;
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134 #ifdef DROPBEAR_DSS
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135 case 'd':
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136 next = &svr_opts.dsskeyfile;
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137 break;
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138 #endif
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139 #ifdef DROPBEAR_RSA
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140 case 'r':
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141 next = &svr_opts.rsakeyfile;
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142 break;
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143 #endif
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144 case 'F':
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145 svr_opts.forkbg = 0;
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146 break;
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147 #ifndef DISABLE_SYSLOG
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148 case 'E':
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149 svr_opts.usingsyslog = 0;
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150 break;
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151 #endif
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152 #ifndef DISABLE_LOCALTCPFWD
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153 case 'j':
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parents: 4
diff changeset
154 opts.nolocaltcp = 1;
4
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parents:
diff changeset
155 break;
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parents:
diff changeset
156 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
157 #ifndef DISABLE_REMOTETCPFWD
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parents:
diff changeset
158 case 'k':
24
469950e86d0f switching to global vars
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parents: 4
diff changeset
159 opts.noremotetcp = 1;
4
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
160 break;
fe6bca95afa7 Makefile.in contains updated files required
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parents:
diff changeset
161 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
162 case 'p':
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
163 if (portnum < DROPBEAR_MAX_PORTS) {
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164 portstring[portnum] = NULL;
fe6bca95afa7 Makefile.in contains updated files required
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parents:
diff changeset
165 next = &portstring[portnum];
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
166 portnum++;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
167 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
168 break;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
169 #ifdef DO_MOTD
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
170 /* motd is displayed by default, -m turns it off */
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
171 case 'm':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
172 svr_opts.domotd = 0;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
173 break;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
174 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
175 case 'w':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
176 svr_opts.norootlogin = 1;
4
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
177 break;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
178 #ifdef DROPBEAR_PASSWORD_AUTH
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
179 case 's':
24
469950e86d0f switching to global vars
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parents: 4
diff changeset
180 svr_opts.noauthpass = 1;
4
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
181 break;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
182 case 'g':
24
469950e86d0f switching to global vars
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parents: 4
diff changeset
183 svr_opts.norootpass = 1;
4
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
184 break;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
185 #endif
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
186 case 'h':
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
187 printhelp(argv[0]);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
188 exit(EXIT_FAILURE);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
189 break;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
190 /*
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
191 case '4':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
192 svr_opts.ipv4 = 0;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
193 break;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
194 case '6':
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
195 svr_opts.ipv6 = 0;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
196 break;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
197 */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
198 default:
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
199 fprintf(stderr, "Unknown argument %s\n", argv[i]);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
200 printhelp(argv[0]);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
201 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
202 break;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
203 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
204 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
205 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
206
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
207 if (svr_opts.dsskeyfile == NULL) {
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
208 svr_opts.dsskeyfile = DSS_PRIV_FILENAME;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
209 }
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
210 if (svr_opts.rsakeyfile == NULL) {
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
211 svr_opts.rsakeyfile = RSA_PRIV_FILENAME;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
212 }
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
213 svr_opts.hostkey = loadhostkeys(svr_opts.dsskeyfile, svr_opts.rsakeyfile);
4
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
214
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
215 if (svr_opts.bannerfile) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
216 struct stat buf;
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
217 if (stat(svr_opts.bannerfile, &buf) != 0) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
218 dropbear_exit("Error opening banner file '%s'",
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
219 svr_opts.bannerfile);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
220 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
221
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
222 if (buf.st_size > MAX_BANNER_SIZE) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
223 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
224 MAX_BANNER_SIZE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
225 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
226
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
227 svr_opts.banner = buf_new(buf.st_size);
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
228 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
229 dropbear_exit("Error reading banner file '%s'",
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
230 svr_opts.bannerfile);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
231 }
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
232 buf_setpos(svr_opts.banner, 0);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
233 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
234
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
235 /* not yet
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
236 if (!(svr_opts.ipv4 || svr_opts.ipv6)) {
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
237 fprintf(stderr, "You can't disable ipv4 and ipv6.\n");
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
238 exit(1);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
239 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
240 */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
241
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
242 /* create the array of listening ports */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
243 if (portnum == 0) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
244 /* non specified */
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
245 svr_opts.portcount = 1;
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
246 svr_opts.ports = m_malloc(sizeof(uint16_t));
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
247 svr_opts.ports[0] = DROPBEAR_PORT;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
248 } else {
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
249 svr_opts.portcount = portnum;
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
250 svr_opts.ports = (uint16_t*)m_malloc(sizeof(uint16_t)*portnum);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
251 for (i = 0; i < portnum; i++) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
252 if (portstring[i]) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
253 longport = atoi(portstring[i]);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
254 if (longport <= 65535 && longport > 0) {
24
469950e86d0f switching to global vars
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
255 svr_opts.ports[i] = (uint16_t)longport;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
256 continue;
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 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
259 fprintf(stderr, "Bad port '%s'\n",
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
260 portstring[i] ? portstring[i] : "null");
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
261 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
262 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
263
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
264 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
265
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
266
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
267 /* returns success or failure */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
268 static int readhostkey(const char * filename, sign_key * hostkey, int type) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
269
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
270 int ret = DROPBEAR_FAILURE;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
271 int i;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
272 buffer *buf;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
273
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
274 buf = buf_new(2000);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
275
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
276 if (buf_readfile(buf, filename) == DROPBEAR_FAILURE) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
277 goto out;
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 buf_setpos(buf, 0);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
280 if (buf_get_priv_key(buf, hostkey, &type) == DROPBEAR_FAILURE) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
281 goto out;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
282 }
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 ret = DROPBEAR_SUCCESS;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
285 out:
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
286 if (ret == DROPBEAR_FAILURE) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
287 for (i = 0; sshhostkey[i].name != NULL; i++) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
288 if (sshhostkey[i].val == type) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
289 sshhostkey[i].usable = 0;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
290 break;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
291 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
292 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
293 fprintf(stderr, "Failed reading '%s', disabling %s\n", filename,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
294 type == DROPBEAR_SIGNKEY_DSS ? "DSS" : "RSA");
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
295 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
296
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
297 buf_burn(buf);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
298 buf_free(buf);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
299 return ret;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
300 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
301
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
302 static sign_key * loadhostkeys(const char * dsskeyfile,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
303 const char * rsakeyfile) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
304
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
305 sign_key * hostkey;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
306
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
307 TRACE(("enter loadhostkeys"));
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
308
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
309 hostkey = new_sign_key();
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
310
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
311 #ifdef DROPBEAR_RSA
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312 (void)readhostkey(rsakeyfile, hostkey, DROPBEAR_SIGNKEY_RSA);
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313 #endif
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314
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315 #ifdef DROPBEAR_DSS
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316 (void)readhostkey(dsskeyfile, hostkey, DROPBEAR_SIGNKEY_DSS);
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317 #endif
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318
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319 if ( 1
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320 #ifdef DROPBEAR_DSS
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321 && hostkey->dsskey == NULL
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322 #endif
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323 #ifdef DROPBEAR_RSA
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324 && hostkey->rsakey == NULL
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325 #endif
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326 ) {
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327 dropbear_exit("No hostkeys available");
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328 }
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329
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330 TRACE(("leave loadhostkeys"));
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331 return hostkey;
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332 }