annotate cli-runopts.c @ 485:12d845ab7b5f dbclient-netcat-alike

Rework netcat-alike to be a proper mode, with -B argument.
author Matt Johnston <matt@ucc.asn.au>
date Wed, 17 Sep 2008 14:36:49 +0000
parents f4addc06745b
children d59f628e7baa
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Dropbear - a SSH2 server
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3 *
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4 * Copyright (c) 2002,2003 Matt Johnston
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5 * All rights reserved.
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6 *
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7 * Permission is hereby granted, free of charge, to any person obtaining a copy
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8 * of this software and associated documentation files (the "Software"), to deal
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9 * in the Software without restriction, including without limitation the rights
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10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 * copies of the Software, and to permit persons to whom the Software is
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12 * furnished to do so, subject to the following conditions:
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13 *
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14 * The above copyright notice and this permission notice shall be included in
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15 * all copies or substantial portions of the Software.
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16 *
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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23 * SOFTWARE. */
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24
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25 #include "includes.h"
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26 #include "runopts.h"
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27 #include "signkey.h"
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28 #include "buffer.h"
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29 #include "dbutil.h"
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30 #include "algo.h"
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31 #include "tcpfwd.h"
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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(const char* orighostarg);
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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(const char* str, struct TCPFwdList** fwdlist);
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42 #endif
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43 #ifdef ENABLE_CLI_NETCAT
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44 static void add_netcat(const char *str);
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45 #endif
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46
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47 static void printhelp() {
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48
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49 fprintf(stderr, "Dropbear client v%s\n"
333
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50 "Usage: %s [options] [user@]host [command]\n"
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51 "Options are:\n"
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52 "-p <remoteport>\n"
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53 "-l <username>\n"
56
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54 "-t Allocate a pty\n"
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55 "-T Don't allocate a pty\n"
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56 "-N Don't run a remote command\n"
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57 "-f Run in background after auth\n"
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58 "-y Always accept remote host key if unknown\n"
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59 #ifdef ENABLE_CLI_PUBKEY_AUTH
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60 "-i <identityfile> (multiple allowed)\n"
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61 #endif
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62 #ifdef ENABLE_CLI_LOCALTCPFWD
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63 "-L <listenport:remotehost:remoteport> Local port forwarding\n"
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64 "-g Allow remote hosts to connect to forwarded ports\n"
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65 #endif
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66 #ifdef ENABLE_CLI_REMOTETCPFWD
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67 "-R <listenport:remotehost:remoteport> Remote port forwarding\n"
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68 #endif
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69 "-W <receive_window_buffer> (default %d, larger may be faster, max 1MB)\n"
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70 "-K <keepalive> (0 is never, default %d)\n"
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71 #ifdef ENABLE_CLI_NETCAT
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72 "-B <endhost:endport> Netcat-alike bouncing\n"
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73 #endif
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74 #ifdef DEBUG_TRACE
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75 "-v verbose\n"
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76 #endif
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77 ,DROPBEAR_VERSION, cli_opts.progname,
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78 DEFAULT_RECV_WINDOW, DEFAULT_KEEPALIVE);
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79
39
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80 }
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81
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82 void cli_getopts(int argc, char ** argv) {
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83
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84 unsigned int i, j;
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85 char ** next = 0;
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86 unsigned int cmdlen;
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87 #ifdef ENABLE_CLI_PUBKEY_AUTH
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88 int nextiskey = 0; /* A flag if the next argument is a keyfile */
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89 #endif
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90 #ifdef ENABLE_CLI_LOCALTCPFWD
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91 int nextislocal = 0;
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92 #endif
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93 #ifdef ENABLE_CLI_REMOTETCPFWD
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94 int nextisremote = 0;
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95 #endif
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96 #ifdef ENABLE_CLI_NETCAT
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97 int nextisnetcat = 0;
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98 #endif
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99 char* dummy = NULL; /* Not used for anything real */
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100
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101 char* recv_window_arg = NULL;
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102 char* keepalive_arg = NULL;
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103
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104 /* see printhelp() for options */
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105 cli_opts.progname = argv[0];
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106 cli_opts.remotehost = NULL;
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107 cli_opts.remoteport = NULL;
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108 cli_opts.username = NULL;
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109 cli_opts.cmd = NULL;
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110 cli_opts.no_cmd = 0;
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111 cli_opts.backgrounded = 0;
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112 cli_opts.wantpty = 9; /* 9 means "it hasn't been touched", gets set later */
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113 cli_opts.always_accept_key = 0;
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114 #ifdef ENABLE_CLI_PUBKEY_AUTH
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115 cli_opts.privkeys = NULL;
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116 #endif
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117 #ifdef ENABLE_CLI_LOCALTCPFWD
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118 cli_opts.localfwds = NULL;
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119 opts.listen_fwd_all = 0;
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120 #endif
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121 #ifdef ENABLE_CLI_REMOTETCPFWD
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122 cli_opts.remotefwds = NULL;
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123 #endif
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124 /* not yet
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125 opts.ipv4 = 1;
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126 opts.ipv6 = 1;
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127 */
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128 opts.recv_window = DEFAULT_RECV_WINDOW;
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129
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130 /* Iterate all the arguments */
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131 for (i = 1; i < (unsigned int)argc; i++) {
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132 #ifdef ENABLE_CLI_PUBKEY_AUTH
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133 if (nextiskey) {
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134 /* Load a hostkey since the previous argument was "-i" */
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135 loadidentityfile(argv[i]);
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136 nextiskey = 0;
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137 continue;
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138 }
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139 #endif
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140 #ifdef ENABLE_CLI_REMOTETCPFWD
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141 if (nextisremote) {
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142 TRACE(("nextisremote true"))
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143 addforward(argv[i], &cli_opts.remotefwds);
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parents: 62
diff changeset
144 nextisremote = 0;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
145 continue;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
146 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
147 #endif
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
148 #ifdef ENABLE_CLI_LOCALTCPFWD
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
149 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
150 TRACE(("nextislocal true"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
151 addforward(argv[i], &cli_opts.localfwds);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
152 nextislocal = 0;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
153 continue;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
154 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
155 #endif
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
156 #ifdef ENABLE_CLI_NETCAT
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
157 if (nextisnetcat) {
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
158 TRACE(("nextisnetcat true"))
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
159 add_netcat(argv[i]);
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
160 nextisnetcat = 0;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
161 continue;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
162 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
163 #endif
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164 if (next) {
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
165 /* 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
166 *next = argv[i];
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
167 if (*next == NULL) {
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
168 dropbear_exit("Invalid null argument");
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
169 }
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
170 next = NULL;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
171 continue;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
172 }
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
173
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
174 if (argv[i][0] == '-') {
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
175 /* A flag *waves* */
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
176
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
177 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
178 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
179 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
180 break;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
181 case 'p': /* remoteport */
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
182 next = &cli_opts.remoteport;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
183 break;
68
eee77ac31ccc cleaning up the pubkey defines
Matt Johnston <matt@ucc.asn.au>
parents: 66
diff changeset
184 #ifdef ENABLE_CLI_PUBKEY_AUTH
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
185 case 'i': /* an identityfile */
134
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
186 /* 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
187 if (strlen(argv[i]) > 2) {
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
188 loadidentityfile(&argv[i][2]);
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
189 } else {
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
190 nextiskey = 1;
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
191 }
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
192 break;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
193 #endif
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
194 case 't': /* we want a pty */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
195 cli_opts.wantpty = 1;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
196 break;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
197 case 'T': /* don't want a pty */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
198 cli_opts.wantpty = 0;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
199 break;
325
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
200 case 'N':
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
201 cli_opts.no_cmd = 1;
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
202 break;
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
203 case 'f':
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
204 cli_opts.backgrounded = 1;
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
205 break;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
206 #ifdef ENABLE_CLI_LOCALTCPFWD
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
207 case 'L':
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
208 nextislocal = 1;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
209 break;
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
210 case 'g':
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
211 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
212 break;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
213 #endif
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
214 #ifdef ENABLE_CLI_REMOTETCPFWD
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
215 case 'R':
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
216 nextisremote = 1;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
217 break;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
218 #endif
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
219 #ifdef ENABLE_CLI_NETCAT
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
220 case 'B':
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
221 nextisnetcat = 1;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
222 break;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
223 #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
224 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
225 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
226 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
227 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
228 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
229 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
230 break;
442
d82a2a44c684 Add -u option to specify /dev/urandom instead
Matt Johnston <matt@ucc.asn.au>
parents: 418
diff changeset
231 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
232 /* 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
233 break;
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
234 case 'W':
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
235 next = &recv_window_arg;
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
236 break;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
237 case 'K':
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
238 next = &keepalive_arg;
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
239 break;
94
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
240 #ifdef DEBUG_TRACE
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
241 case 'v':
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
242 debug_trace = 1;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
243 break;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
244 #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
245 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
246 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
247 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
248 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
249 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
250 #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
251 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
252 #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
253 #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
254 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
255 #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
256 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
257 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
258 next = &dummy;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
259 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
260 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
261 "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
262 break;
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
263 } /* Switch */
105
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
264
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
265 /* 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
266 if (next && strlen(argv[i]) > 2) {
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
267 *next = &argv[i][2];
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
268 next = NULL;
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
269 }
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 continue; /* next argument */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
272
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
273 } 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
274 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
275
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
276 /* Either the hostname or commands */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
277
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
278 if (cli_opts.remotehost == NULL) {
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
279
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
280 parsehostname(argv[i]);
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
281
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
282 } else {
46
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 /* 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
285 * 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
286 * command */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
287 cmdlen = 0;
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
288 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
289 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
290 }
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
291 /* Allocate the space */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
292 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
293 cli_opts.cmd[0] = '\0';
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
294
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
295 /* Append all the bits */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
296 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
297 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
298 strlcat(cli_opts.cmd, " ", cmdlen);
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
299 }
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
300 /* 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
301
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
302 /* 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
303 break;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
304 }
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
305 }
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
306 }
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
307
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
308 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
309 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
310 exit(EXIT_FAILURE);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
311 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
312
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
313 if (cli_opts.remoteport == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
314 cli_opts.remoteport = "22";
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
315 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
316
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
317 /* 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
318 * there's a command, but we do otherwise */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
319 if (cli_opts.wantpty == 9) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
320 if (cli_opts.cmd == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
321 cli_opts.wantpty = 1;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
322 } else {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
323 cli_opts.wantpty = 0;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
324 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
325 }
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
327 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
328 && cli_opts.no_cmd == 0) {
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
329 dropbear_exit("command required for -f");
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
330 }
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
331
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
332 if (recv_window_arg)
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
333 {
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
334 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
335 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
336 {
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
337 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
338 }
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
339 }
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
340 if (keepalive_arg) {
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
341 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
342 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
343 {
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
344 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
345 }
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
346 }
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
347
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
348 }
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
349
68
eee77ac31ccc cleaning up the pubkey defines
Matt Johnston <matt@ucc.asn.au>
parents: 66
diff changeset
350 #ifdef ENABLE_CLI_PUBKEY_AUTH
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
351 static void loadidentityfile(const char* filename) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
352
215
aad4b3f58556 rename PubkeyList to SignKeyList for clarity
Matt Johnston <matt@ucc.asn.au>
parents: 181
diff changeset
353 struct SignKeyList * nextkey;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
354 sign_key *key;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
355 int keytype;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
356
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
357 key = new_sign_key();
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
358 keytype = DROPBEAR_SIGNKEY_ANY;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
359 if ( readhostkey(filename, key, &keytype) != DROPBEAR_SUCCESS ) {
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 fprintf(stderr, "Failed loading keyfile '%s'\n", filename);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
362 sign_key_free(key);
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 } else {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
365
215
aad4b3f58556 rename PubkeyList to SignKeyList for clarity
Matt Johnston <matt@ucc.asn.au>
parents: 181
diff changeset
366 nextkey = (struct SignKeyList*)m_malloc(sizeof(struct SignKeyList));
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
367 nextkey->key = key;
215
aad4b3f58556 rename PubkeyList to SignKeyList for clarity
Matt Johnston <matt@ucc.asn.au>
parents: 181
diff changeset
368 nextkey->next = cli_opts.privkeys;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
369 nextkey->type = keytype;
215
aad4b3f58556 rename PubkeyList to SignKeyList for clarity
Matt Johnston <matt@ucc.asn.au>
parents: 181
diff changeset
370 cli_opts.privkeys = nextkey;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
371 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
372 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
373 #endif
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
374
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
375
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
376 /* Parses a [user@]hostname argument. orighostarg is the argv[i] corresponding */
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
377 static void parsehostname(const char* orighostarg) {
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
378
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
379 uid_t uid;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
380 struct passwd *pw = NULL;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
381 char *userhostarg = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
382
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
383 userhostarg = m_strdup(orighostarg);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
384
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
385 cli_opts.remotehost = strchr(userhostarg, '@');
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
386 if (cli_opts.remotehost == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
387 /* 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
388 * local user's name */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
389 cli_opts.remotehost = userhostarg;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
390 } else {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
391 cli_opts.remotehost[0] = '\0'; /* Split the user/host */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
392 cli_opts.remotehost++;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
393 cli_opts.username = userhostarg;
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
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
396 if (cli_opts.username == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
397 uid = getuid();
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
398
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
399 pw = getpwuid(uid);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
400 if (pw == NULL || pw->pw_name == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
401 dropbear_exit("Unknown own user");
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
402 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
403
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
404 cli_opts.username = m_strdup(pw->pw_name);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
405 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
406
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
407 if (cli_opts.remotehost[0] == '\0') {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
408 dropbear_exit("Bad hostname");
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
409 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
410 }
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
411
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
412 #ifdef ENABLE_CLI_NETCAT
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
413 static void add_netcat(const char* origstr) {
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
414 char *portstr = NULL;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
415
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
416 char * str = m_strdup(origstr);
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
417
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
418 portstr = strchr(str, ':');
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
419 if (portstr == NULL) {
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
420 TRACE(("No netcat port"))
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
421 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
422 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
423 *portstr = '\0';
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
424 portstr++;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
425
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
426 if (strchr(portstr, ':')) {
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
427 TRACE(("Multiple netcat colons"))
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
428 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
429 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
430
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
431 cli_opts.netcat_port = strtoul(portstr, NULL, 10);
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
432 if (errno != 0) {
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
433 TRACE(("bad netcat port"))
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
434 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
435 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
436
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
437 if (cli_opts.netcat_port > 65535) {
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
438 TRACE(("too large netcat port"))
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
439 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
440 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
441
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
442 cli_opts.netcat_host = str;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
443 return;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
444
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
445 fail:
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
446 dropbear_exit("Bad netcat endpoint '%s'", origstr);
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
447 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
448 #endif
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
449
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
450 #ifdef ENABLE_CLI_ANYTCPFWD
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
451 /* Turn a "listenport:remoteaddr:remoteport" string into into a forwarding
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
452 * set, and add it to the forwarding list */
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
453 static void addforward(const char* origstr, struct TCPFwdList** fwdlist) {
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
454
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
455 char * listenport = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
456 char * connectport = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
457 char * connectaddr = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
458 struct TCPFwdList* newfwd = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
459 char * str = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
460
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
461 TRACE(("enter addforward"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
462
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
463 /* 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
464 is never free()d. */
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
465 str = m_strdup(origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
466
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
467 listenport = str;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
468
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
469 connectaddr = strchr(str, ':');
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
470 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
471 TRACE(("connectaddr == NULL"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
472 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
473 }
407
ea0929224294 Fix another leak found by Klocwork
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
474 *connectaddr = '\0';
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
475 connectaddr++;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
476
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
477 connectport = strchr(connectaddr, ':');
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
478 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
479 TRACE(("connectport == NULL"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
480 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
481 }
407
ea0929224294 Fix another leak found by Klocwork
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
482 *connectport = '\0';
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
483 connectport++;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
484
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
485 newfwd = (struct TCPFwdList*)m_malloc(sizeof(struct TCPFwdList));
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
486
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
487 /* 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
488 * the check later only checks for >= MAX_PORT */
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
489 newfwd->listenport = strtoul(listenport, NULL, 10);
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
490 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
491 TRACE(("bad listenport strtol"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
492 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
493 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
494
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
495 newfwd->connectport = strtoul(connectport, NULL, 10);
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
496 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
497 TRACE(("bad connectport strtol"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
498 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
499 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
500
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
501 newfwd->connectaddr = connectaddr;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
502
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
503 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
504 TRACE(("listenport > 65535"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
505 goto badport;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
506 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
507
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
508 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
509 TRACE(("connectport > 65535"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
510 goto badport;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
511 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
512
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
513 newfwd->next = *fwdlist;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
514 *fwdlist = newfwd;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
515
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
516 TRACE(("leave addforward: done"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
517 return;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
518
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
519 fail:
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
520 dropbear_exit("Bad TCP forward '%s'", origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
521
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
522 badport:
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
523 dropbear_exit("Bad TCP port in '%s'", origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
524 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
525 #endif