annotate cli-runopts.c @ 481:357a2e2e9bcc

- Generalise spawn_command function
author Matt Johnston <matt@ucc.asn.au>
date Mon, 15 Sep 2008 13:41:18 +0000
parents e3db1f7a2e43
children 738313e73b1c
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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 "tcpfwd.h"
39
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32
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33 cli_runopts cli_opts; /* GLOBAL */
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34
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35 static void printhelp();
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36 static void parsehostname(char* userhostarg);
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37 #ifdef ENABLE_CLI_PUBKEY_AUTH
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38 static void loadidentityfile(const char* filename);
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39 #endif
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40 #ifdef ENABLE_CLI_ANYTCPFWD
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41 static void addforward(char* str, struct TCPFwdList** fwdlist);
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42 #endif
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43
47
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44 static void printhelp() {
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45
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46 fprintf(stderr, "Dropbear client v%s\n"
333
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47 "Usage: %s [options] [user@]host [command]\n"
39
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48 "Options are:\n"
47
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49 "-p <remoteport>\n"
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50 "-l <username>\n"
56
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51 "-t Allocate a pty\n"
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52 "-T Don't allocate a pty\n"
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53 "-N Don't run a remote command\n"
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54 "-f Run in background after auth\n"
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55 "-y Always accept remote host key if unknown\n"
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56 #ifdef ENABLE_CLI_PUBKEY_AUTH
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57 "-i <identityfile> (multiple allowed)\n"
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58 #endif
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59 #ifdef ENABLE_CLI_LOCALTCPFWD
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60 "-L <listenport:remotehost:remoteport> Local port forwarding\n"
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61 "-g Allow remote hosts to connect to forwarded ports\n"
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62 #endif
64
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63 #ifdef ENABLE_CLI_REMOTETCPFWD
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64 "-R <listenport:remotehost:remoteport> Remote port forwarding\n"
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65 #endif
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66 "-W <receive_window_buffer> (default %d, larger may be faster, max 1MB)\n"
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67 "-K <keepalive> (0 is never, default %d)\n"
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68 #ifdef ENABLE_CLI_PROXYCMD
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69 "-J <proxy_program> Use program rather than tcp connection"
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70 #endif
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71 #ifdef DEBUG_TRACE
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72 "-v verbose\n"
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73 #endif
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74 ,DROPBEAR_VERSION, cli_opts.progname,
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75 DEFAULT_RECV_WINDOW, DEFAULT_KEEPALIVE);
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76
39
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77 }
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78
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79 void cli_getopts(int argc, char ** argv) {
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80
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81 unsigned int i, j;
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82 char ** next = 0;
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83 unsigned int cmdlen;
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84 #ifdef ENABLE_CLI_PUBKEY_AUTH
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85 int nextiskey = 0; /* A flag if the next argument is a keyfile */
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86 #endif
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87 #ifdef ENABLE_CLI_LOCALTCPFWD
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88 int nextislocal = 0;
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89 #endif
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90 #ifdef ENABLE_CLI_REMOTETCPFWD
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91 int nextisremote = 0;
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92 #endif
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93 #ifdef ENABLE_CLI_PROXYCMD
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94 int nextisproxycmd = 0;
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95 #endif
66
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96 char* dummy = NULL; /* Not used for anything real */
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97
459
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98 char* recv_window_arg = NULL;
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99 char* keepalive_arg = NULL;
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100
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101 /* see printhelp() for options */
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102 cli_opts.progname = argv[0];
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103 cli_opts.remotehost = NULL;
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104 cli_opts.remoteport = NULL;
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105 cli_opts.username = NULL;
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106 cli_opts.cmd = NULL;
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107 cli_opts.no_cmd = 0;
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108 cli_opts.backgrounded = 0;
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109 cli_opts.wantpty = 9; /* 9 means "it hasn't been touched", gets set later */
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110 cli_opts.always_accept_key = 0;
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111 #ifdef ENABLE_CLI_PUBKEY_AUTH
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112 cli_opts.privkeys = NULL;
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113 #endif
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114 #ifdef ENABLE_CLI_LOCALTCPFWD
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115 cli_opts.localfwds = NULL;
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116 opts.listen_fwd_all = 0;
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117 #endif
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118 #ifdef ENABLE_CLI_REMOTETCPFWD
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119 cli_opts.remotefwds = NULL;
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120 #endif
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121 /* not yet
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122 opts.ipv4 = 1;
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123 opts.ipv6 = 1;
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124 */
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125 opts.recv_window = DEFAULT_RECV_WINDOW;
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126
47
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127 /* Iterate all the arguments */
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128 for (i = 1; i < (unsigned int)argc; i++) {
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129 #ifdef ENABLE_CLI_PUBKEY_AUTH
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130 if (nextiskey) {
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131 /* Load a hostkey since the previous argument was "-i" */
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132 loadidentityfile(argv[i]);
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133 nextiskey = 0;
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134 continue;
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135 }
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136 #endif
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137 #ifdef ENABLE_CLI_REMOTETCPFWD
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138 if (nextisremote) {
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139 TRACE(("nextisremote true"))
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140 addforward(argv[i], &cli_opts.remotefwds);
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141 nextisremote = 0;
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142 continue;
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143 }
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144 #endif
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145 #ifdef ENABLE_CLI_LOCALTCPFWD
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diff changeset
146 if (nextislocal) {
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 134
diff changeset
147 TRACE(("nextislocal true"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
148 addforward(argv[i], &cli_opts.localfwds);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
149 nextislocal = 0;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
150 continue;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
151 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
152 #endif
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
153 if (next) {
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
154 /* The previous flag set a value to assign */
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
155 *next = argv[i];
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
156 if (*next == NULL) {
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
157 dropbear_exit("Invalid null argument");
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
158 }
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
159 next = NULL;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
160 continue;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
161 }
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
162
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
163 if (argv[i][0] == '-') {
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
164 /* A flag *waves* */
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
165
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
166 switch (argv[i][1]) {
418
ab57ba0cb667 Add '-y' option to dbclient to accept the host key without checking
Matt Johnston <matt@ucc.asn.au>
parents: 412
diff changeset
167 case 'y': /* always accept the remote hostkey */
ab57ba0cb667 Add '-y' option to dbclient to accept the host key without checking
Matt Johnston <matt@ucc.asn.au>
parents: 412
diff changeset
168 cli_opts.always_accept_key = 1;
ab57ba0cb667 Add '-y' option to dbclient to accept the host key without checking
Matt Johnston <matt@ucc.asn.au>
parents: 412
diff changeset
169 break;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
170 case 'p': /* remoteport */
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
171 next = &cli_opts.remoteport;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
172 break;
68
eee77ac31ccc cleaning up the pubkey defines
Matt Johnston <matt@ucc.asn.au>
parents: 66
diff changeset
173 #ifdef ENABLE_CLI_PUBKEY_AUTH
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
174 case 'i': /* an identityfile */
134
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
175 /* Keep scp happy when it changes "-i file" to "-ifile" */
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
176 if (strlen(argv[i]) > 2) {
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
177 loadidentityfile(&argv[i][2]);
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
178 } else {
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
179 nextiskey = 1;
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
180 }
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
181 break;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
182 #endif
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
183 case 't': /* we want a pty */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
184 cli_opts.wantpty = 1;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
185 break;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
186 case 'T': /* don't want a pty */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
187 cli_opts.wantpty = 0;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
188 break;
325
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
189 case 'N':
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
190 cli_opts.no_cmd = 1;
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
191 break;
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
192 case 'f':
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
193 cli_opts.backgrounded = 1;
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
194 break;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
195 #ifdef ENABLE_CLI_LOCALTCPFWD
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
196 case 'L':
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
197 nextislocal = 1;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
198 break;
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
199 case 'g':
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
200 opts.listen_fwd_all = 1;
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
201 break;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
202 #endif
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
203 #ifdef ENABLE_CLI_REMOTETCPFWD
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
204 case 'R':
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
205 nextisremote = 1;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
206 break;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
207 #endif
479
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
208 #ifdef ENABLE_CLI_PROXYCMD
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
209 case 'J':
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
210 next = &cli_opts.proxycmd;
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
211 break;
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
212 #endif
66
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
213 case 'l':
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
214 next = &cli_opts.username;
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
215 break;
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
216 case 'h':
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
217 printhelp();
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
218 exit(EXIT_SUCCESS);
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
219 break;
442
d82a2a44c684 Add -u option to specify /dev/urandom instead
Matt Johnston <matt@ucc.asn.au>
parents: 418
diff changeset
220 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
221 /* backwards compatibility with old urandom option */
442
d82a2a44c684 Add -u option to specify /dev/urandom instead
Matt Johnston <matt@ucc.asn.au>
parents: 418
diff changeset
222 break;
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
223 case 'W':
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
224 next = &recv_window_arg;
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
225 break;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
226 case 'K':
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
227 next = &keepalive_arg;
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
228 break;
94
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
229 #ifdef DEBUG_TRACE
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
230 case 'v':
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
231 debug_trace = 1;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
232 break;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
233 #endif
66
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
234 case 'F':
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
235 case 'e':
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
236 case 'c':
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
237 case 'm':
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
238 case 'D':
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
239 #ifndef ENABLE_CLI_REMOTETCPFWD
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
240 case 'R':
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
241 #endif
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
242 #ifndef ENABLE_CLI_LOCALTCPFWD
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
243 case 'L':
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
244 #endif
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
245 case 'o':
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
246 case 'b':
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
247 next = &dummy;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
248 default:
66
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
249 fprintf(stderr,
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
250 "WARNING: Ignoring unknown argument '%s'\n", argv[i]);
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
251 break;
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
252 } /* Switch */
105
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
253
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
254 /* Now we handle args where they might be "-luser" (no spaces)*/
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
255 if (next && strlen(argv[i]) > 2) {
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
256 *next = &argv[i][2];
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
257 next = NULL;
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
258 }
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
259
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
260 continue; /* next argument */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
261
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
262 } else {
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 134
diff changeset
263 TRACE(("non-flag arg: '%s'", argv[i]))
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
264
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
265 /* Either the hostname or commands */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
266
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
267 if (cli_opts.remotehost == NULL) {
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
268
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
269 parsehostname(argv[i]);
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
270
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
271 } else {
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
272
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
273 /* this is part of the commands to send - after this we
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
274 * don't parse any more options, and flags are sent as the
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
275 * command */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
276 cmdlen = 0;
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
277 for (j = i; j < (unsigned int)argc; j++) {
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
278 cmdlen += strlen(argv[j]) + 1; /* +1 for spaces */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
279 }
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
280 /* Allocate the space */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
281 cli_opts.cmd = (char*)m_malloc(cmdlen);
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
282 cli_opts.cmd[0] = '\0';
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
283
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
284 /* Append all the bits */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
285 for (j = i; j < (unsigned int)argc; j++) {
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
286 strlcat(cli_opts.cmd, argv[j], cmdlen);
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
287 strlcat(cli_opts.cmd, " ", cmdlen);
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
288 }
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
289 /* It'll be null-terminated here */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
290
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
291 /* We've eaten all the options and flags */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
292 break;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
293 }
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
294 }
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
295 }
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
296
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
297 if (cli_opts.remotehost == NULL) {
66
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
298 printhelp();
38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args
Matt Johnston <matt@ucc.asn.au>
parents: 64
diff changeset
299 exit(EXIT_FAILURE);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
300 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
301
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
302 if (cli_opts.remoteport == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
303 cli_opts.remoteport = "22";
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
304 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
305
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
306 /* If not explicitly specified with -t or -T, we don't want a pty if
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
307 * there's a command, but we do otherwise */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
308 if (cli_opts.wantpty == 9) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
309 if (cli_opts.cmd == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
310 cli_opts.wantpty = 1;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
311 } else {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
312 cli_opts.wantpty = 0;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
313 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
314 }
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
315
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
316 if (cli_opts.backgrounded && cli_opts.cmd == NULL
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
317 && cli_opts.no_cmd == 0) {
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
318 dropbear_exit("command required for -f");
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
319 }
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
320
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
321 if (recv_window_arg)
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
322 {
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
323 opts.recv_window = atol(recv_window_arg);
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
324 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
325 {
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
326 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
327 }
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
328 }
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
329 if (keepalive_arg) {
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
330 opts.keepalive_secs = strtoul(keepalive_arg, NULL, 10);
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
331 if (opts.keepalive_secs == 0 && errno == EINVAL)
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
332 {
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
333 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
334 }
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
335 }
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
336
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
337 }
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
338
68
eee77ac31ccc cleaning up the pubkey defines
Matt Johnston <matt@ucc.asn.au>
parents: 66
diff changeset
339 #ifdef ENABLE_CLI_PUBKEY_AUTH
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
340 static void loadidentityfile(const char* filename) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
341
215
aad4b3f58556 rename PubkeyList to SignKeyList for clarity
Matt Johnston <matt@ucc.asn.au>
parents: 181
diff changeset
342 struct SignKeyList * nextkey;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
343 sign_key *key;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
344 int keytype;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
345
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
346 key = new_sign_key();
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
347 keytype = DROPBEAR_SIGNKEY_ANY;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
348 if ( readhostkey(filename, key, &keytype) != DROPBEAR_SUCCESS ) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
349
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
350 fprintf(stderr, "Failed loading keyfile '%s'\n", filename);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
351 sign_key_free(key);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
352
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
353 } else {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
354
215
aad4b3f58556 rename PubkeyList to SignKeyList for clarity
Matt Johnston <matt@ucc.asn.au>
parents: 181
diff changeset
355 nextkey = (struct SignKeyList*)m_malloc(sizeof(struct SignKeyList));
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
356 nextkey->key = key;
215
aad4b3f58556 rename PubkeyList to SignKeyList for clarity
Matt Johnston <matt@ucc.asn.au>
parents: 181
diff changeset
357 nextkey->next = cli_opts.privkeys;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
358 nextkey->type = keytype;
215
aad4b3f58556 rename PubkeyList to SignKeyList for clarity
Matt Johnston <matt@ucc.asn.au>
parents: 181
diff changeset
359 cli_opts.privkeys = nextkey;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
360 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
361 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
362 #endif
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
363
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
364
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
365 /* Parses a [user@]hostname argument. userhostarg is the argv[i] corresponding
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
366 * - note that it will be modified */
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
367 static void parsehostname(char* orighostarg) {
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
368
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
369 uid_t uid;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
370 struct passwd *pw = NULL;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
371 char *userhostarg = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
372
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
373 /* We probably don't want to be editing argvs */
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
374 userhostarg = m_strdup(orighostarg);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
375
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
376 cli_opts.remotehost = strchr(userhostarg, '@');
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
377 if (cli_opts.remotehost == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
378 /* no username portion, the cli-auth.c code can figure the
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
379 * local user's name */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
380 cli_opts.remotehost = userhostarg;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
381 } else {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
382 cli_opts.remotehost[0] = '\0'; /* Split the user/host */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
383 cli_opts.remotehost++;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
384 cli_opts.username = userhostarg;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
385 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
386
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
387 if (cli_opts.username == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
388 uid = getuid();
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
389
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
390 pw = getpwuid(uid);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
391 if (pw == NULL || pw->pw_name == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
392 dropbear_exit("Unknown own user");
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
393 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
394
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
395 cli_opts.username = m_strdup(pw->pw_name);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
396 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
397
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
398 if (cli_opts.remotehost[0] == '\0') {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
399 dropbear_exit("Bad hostname");
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
400 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
401 }
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
402
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
403 #ifdef ENABLE_CLI_ANYTCPFWD
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
404 /* Turn a "listenport:remoteaddr:remoteport" string into into a forwarding
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
405 * set, and add it to the forwarding list */
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
406 static void addforward(char* origstr, struct TCPFwdList** fwdlist) {
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
407
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
408 char * listenport = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
409 char * connectport = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
410 char * connectaddr = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
411 struct TCPFwdList* newfwd = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
412 char * str = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
413
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 134
diff changeset
414 TRACE(("enter addforward"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
415
411
253958302381 Revert bogus fix, make a note that the var is meant to 'leak'
Matt Johnston <matt@ucc.asn.au>
parents: 407
diff changeset
416 /* We need to split the original argument up. This var
253958302381 Revert bogus fix, make a note that the var is meant to 'leak'
Matt Johnston <matt@ucc.asn.au>
parents: 407
diff changeset
417 is never free()d. */
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
418 str = m_strdup(origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
419
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
420 listenport = str;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
421
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
422 connectaddr = strchr(str, ':');
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
423 if (connectaddr == NULL) {
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 134
diff changeset
424 TRACE(("connectaddr == NULL"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
425 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
426 }
407
ea0929224294 Fix another leak found by Klocwork
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
427 *connectaddr = '\0';
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
428 connectaddr++;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
429
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
430 connectport = strchr(connectaddr, ':');
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
431 if (connectport == NULL) {
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 134
diff changeset
432 TRACE(("connectport == NULL"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
433 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
434 }
407
ea0929224294 Fix another leak found by Klocwork
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
435 *connectport = '\0';
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
436 connectport++;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
437
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
438 newfwd = (struct TCPFwdList*)m_malloc(sizeof(struct TCPFwdList));
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
439
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
440 /* Now we check the ports - note that the port ints are unsigned,
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
441 * the check later only checks for >= MAX_PORT */
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
442 newfwd->listenport = strtol(listenport, NULL, 10);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
443 if (errno != 0) {
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 134
diff changeset
444 TRACE(("bad listenport strtol"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
445 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
446 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
447
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
448 newfwd->connectport = strtol(connectport, NULL, 10);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
449 if (errno != 0) {
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 134
diff changeset
450 TRACE(("bad connectport strtol"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
451 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
452 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
453
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
454 newfwd->connectaddr = connectaddr;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
455
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
456 if (newfwd->listenport > 65535) {
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 134
diff changeset
457 TRACE(("listenport > 65535"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
458 goto badport;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
459 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
460
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
461 if (newfwd->connectport > 65535) {
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 134
diff changeset
462 TRACE(("connectport > 65535"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
463 goto badport;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
464 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
465
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
466 newfwd->next = *fwdlist;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
467 *fwdlist = newfwd;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
468
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 134
diff changeset
469 TRACE(("leave addforward: done"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
470 return;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
471
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
472 fail:
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
473 dropbear_exit("Bad TCP forward '%s'", origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
474
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
475 badport:
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
476 dropbear_exit("Bad TCP port in '%s'", origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
477 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
478 #endif