annotate cli-runopts.c @ 716:af4ef98b8591

Add URL to usage text
author Matt Johnston <matt@ucc.asn.au>
date Thu, 21 Mar 2013 23:10:47 +0800
parents aadfa8de977d
children 7fc0aeada79c
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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 #include "list.h"
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33
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34 cli_runopts cli_opts; /* GLOBAL */
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35
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36 static void printhelp();
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37 static void parse_hostname(const char* orighostarg);
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38 static void parse_multihop_hostname(const char* orighostarg, const char* argv0);
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39 static void fill_own_user();
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40 #ifdef ENABLE_CLI_PUBKEY_AUTH
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41 static void loadidentityfile(const char* filename);
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42 #endif
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43 #ifdef ENABLE_CLI_ANYTCPFWD
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44 static void addforward(const char* str, m_list *fwdlist);
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45 #endif
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46 #ifdef ENABLE_CLI_NETCAT
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47 static void add_netcat(const char *str);
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48 #endif
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49
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50 static void printhelp() {
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51
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52 fprintf(stderr, "Dropbear SSH client v%s https://matt.ucc.asn.au/dropbear/dropbear.html\n"
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53 #ifdef ENABLE_CLI_MULTIHOP
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54 "Usage: %s [options] [[email protected]]host[/port][,[[email protected]]host/port],...] [command]\n"
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55 #else
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56 "Usage: %s [options] [[email protected]]host[/port] [command]\n"
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57 #endif
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58 "-p <remoteport>\n"
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59 "-l <username>\n"
56
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60 "-t Allocate a pty\n"
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61 "-T Don't allocate a pty\n"
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62 "-N Don't run a remote command\n"
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63 "-f Run in background after auth\n"
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64 "-y Always accept remote host key if unknown\n"
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65 "-s Request a subsystem (use by external sftp)\n"
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66 #ifdef ENABLE_CLI_PUBKEY_AUTH
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67 "-i <identityfile> (multiple allowed)\n"
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68 #endif
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69 #ifdef ENABLE_CLI_AGENTFWD
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70 "-A Enable agent auth forwarding\n"
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71 #endif
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72 #ifdef ENABLE_CLI_LOCALTCPFWD
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73 "-L <[listenaddress:]listenport:remotehost:remoteport> Local port forwarding\n"
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74 "-g Allow remote hosts to connect to forwarded ports\n"
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75 #endif
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76 #ifdef ENABLE_CLI_REMOTETCPFWD
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77 "-R <[listenaddress:]listenport:remotehost:remoteport> Remote port forwarding\n"
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78 #endif
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79 "-W <receive_window_buffer> (default %d, larger may be faster, max 1MB)\n"
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80 "-K <keepalive> (0 is never, default %d)\n"
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81 "-I <idle_timeout> (0 is never, default %d)\n"
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82 #ifdef ENABLE_CLI_NETCAT
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83 "-B <endhost:endport> Netcat-alike forwarding\n"
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84 #endif
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85 #ifdef ENABLE_CLI_PROXYCMD
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86 "-J <proxy_program> Use program pipe rather than TCP connection\n"
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87 #endif
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88 #ifdef ENABLE_USER_ALGO_LIST
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89 "-c <cipher list> Specify preferred ciphers ('-c help' to list options)\n"
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90 "-m <MAC list> Specify preferred MACs for packet verification (or '-m help')\n"
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91 #endif
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92 #ifdef DEBUG_TRACE
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93 "-v verbose (compiled with DEBUG_TRACE)\n"
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94 #endif
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95 ,DROPBEAR_VERSION, cli_opts.progname,
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96 DEFAULT_RECV_WINDOW, DEFAULT_KEEPALIVE, DEFAULT_IDLE_TIMEOUT);
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97
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98 }
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99
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100 void cli_getopts(int argc, char ** argv) {
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101 unsigned int i, j;
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102 char ** next = 0;
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103 unsigned int cmdlen;
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104 #ifdef ENABLE_CLI_PUBKEY_AUTH
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105 int nextiskey = 0; /* A flag if the next argument is a keyfile */
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106 #endif
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107 #ifdef ENABLE_CLI_LOCALTCPFWD
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108 int nextislocal = 0;
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109 #endif
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110 #ifdef ENABLE_CLI_REMOTETCPFWD
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111 int nextisremote = 0;
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112 #endif
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113 #ifdef ENABLE_CLI_NETCAT
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114 int nextisnetcat = 0;
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115 #endif
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116 char* dummy = NULL; /* Not used for anything real */
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117
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118 char* recv_window_arg = NULL;
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119 char* keepalive_arg = NULL;
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120 char* idle_timeout_arg = NULL;
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121 char *host_arg = NULL;
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122
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123 /* see printhelp() for options */
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124 cli_opts.progname = argv[0];
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125 cli_opts.remotehost = NULL;
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126 cli_opts.remoteport = NULL;
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127 cli_opts.username = NULL;
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128 cli_opts.cmd = NULL;
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129 cli_opts.no_cmd = 0;
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130 cli_opts.backgrounded = 0;
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131 cli_opts.wantpty = 9; /* 9 means "it hasn't been touched", gets set later */
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132 cli_opts.always_accept_key = 0;
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133 cli_opts.is_subsystem = 0;
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134 #ifdef ENABLE_CLI_PUBKEY_AUTH
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135 cli_opts.privkeys = list_new();
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136 #endif
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137 #ifdef ENABLE_CLI_LOCALTCPFWD
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diff changeset
138 cli_opts.localfwds = list_new();
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
139 opts.listen_fwd_all = 0;
62
20563735e8b5 just checkpointing
Matt Johnston <matt@ucc.asn.au>
parents: 56
diff changeset
140 #endif
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
141 #ifdef ENABLE_CLI_REMOTETCPFWD
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
142 cli_opts.remotefwds = list_new();
62
20563735e8b5 just checkpointing
Matt Johnston <matt@ucc.asn.au>
parents: 56
diff changeset
143 #endif
225
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
144 #ifdef ENABLE_CLI_AGENTFWD
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
145 cli_opts.agent_fwd = 0;
674
1291413c7c7e Initialise agent_fd to -1 so we don't end up closing stdin (fd 0)
Matt Johnston <matt@ucc.asn.au>
parents: 594
diff changeset
146 cli_opts.agent_fd = -1;
225
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
147 cli_opts.agent_keys_loaded = 0;
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
148 #endif
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
149 #ifdef ENABLE_CLI_PROXYCMD
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
150 cli_opts.proxycmd = NULL;
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
151 #endif
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
152 #ifndef DISABLE_ZLIB
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
153 opts.enable_compress = 1;
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
154 #endif
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
155 #ifdef ENABLE_USER_ALGO_LIST
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
156 opts.cipher_list = NULL;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
157 opts.mac_list = NULL;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
158 #endif
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
159 /* not yet
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
160 opts.ipv4 = 1;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
161 opts.ipv6 = 1;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
162 */
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
163 opts.recv_window = DEFAULT_RECV_WINDOW;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
165 fill_own_user();
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
166
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
167 /* Iterate all the arguments */
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
168 for (i = 1; i < (unsigned int)argc; i++) {
68
eee77ac31ccc cleaning up the pubkey defines
Matt Johnston <matt@ucc.asn.au>
parents: 66
diff changeset
169 #ifdef ENABLE_CLI_PUBKEY_AUTH
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
170 if (nextiskey) {
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
171 /* Load a hostkey since the previous argument was "-i" */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
172 loadidentityfile(argv[i]);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
173 nextiskey = 0;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
174 continue;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
175 }
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
176 #endif
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
177 #ifdef ENABLE_CLI_REMOTETCPFWD
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
178 if (nextisremote) {
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
179 TRACE(("nextisremote true"))
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
180 addforward(argv[i], cli_opts.remotefwds);
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
181 nextisremote = 0;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
182 continue;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
183 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
184 #endif
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
185 #ifdef ENABLE_CLI_LOCALTCPFWD
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
186 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
187 TRACE(("nextislocal true"))
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
188 addforward(argv[i], cli_opts.localfwds);
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
189 nextislocal = 0;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
190 continue;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
191 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
192 #endif
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
193 #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
194 if (nextisnetcat) {
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
195 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
196 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
197 nextisnetcat = 0;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
198 continue;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
199 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
200 #endif
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
201 if (next) {
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
202 /* 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
203 *next = argv[i];
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
204 if (*next == NULL) {
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
205 dropbear_exit("Invalid null argument");
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
206 }
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
207 next = NULL;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
208 continue;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
209 }
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
210
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
211 if (argv[i][0] == '-') {
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
212 /* A flag *waves* */
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
213
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
214 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
215 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
216 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
217 break;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
218 case 'p': /* remoteport */
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
219 next = &cli_opts.remoteport;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
220 break;
68
eee77ac31ccc cleaning up the pubkey defines
Matt Johnston <matt@ucc.asn.au>
parents: 66
diff changeset
221 #ifdef ENABLE_CLI_PUBKEY_AUTH
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
222 case 'i': /* an identityfile */
134
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
223 /* 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
224 if (strlen(argv[i]) > 2) {
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
225 loadidentityfile(&argv[i][2]);
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
226 } else {
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
227 nextiskey = 1;
6b306ad5f5b5 -i works with scp now.
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
228 }
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
229 break;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
230 #endif
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
231 case 't': /* we want a pty */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
232 cli_opts.wantpty = 1;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
233 break;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
234 case 'T': /* don't want a pty */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
235 cli_opts.wantpty = 0;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
236 break;
325
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
237 case 'N':
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
238 cli_opts.no_cmd = 1;
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
239 break;
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
240 case 'f':
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
241 cli_opts.backgrounded = 1;
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
242 break;
497
ae600f1eef81 - Enable -s for specifying a subsystem (such as sftp)
Matt Johnston <matt@ucc.asn.au>
parents: 494
diff changeset
243 case 's':
ae600f1eef81 - Enable -s for specifying a subsystem (such as sftp)
Matt Johnston <matt@ucc.asn.au>
parents: 494
diff changeset
244 cli_opts.is_subsystem = 1;
ae600f1eef81 - Enable -s for specifying a subsystem (such as sftp)
Matt Johnston <matt@ucc.asn.au>
parents: 494
diff changeset
245 break;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
246 #ifdef ENABLE_CLI_LOCALTCPFWD
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
247 case 'L':
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
248 nextislocal = 1;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
249 break;
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
250 case 'g':
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
251 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
252 break;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
253 #endif
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
254 #ifdef ENABLE_CLI_REMOTETCPFWD
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
255 case 'R':
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
256 nextisremote = 1;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
257 break;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
258 #endif
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
259 #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
260 case 'B':
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
261 nextisnetcat = 1;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
262 break;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
263 #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
264 #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
265 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
266 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
267 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
268 #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
269 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
270 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
271 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
272 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
273 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
274 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
275 break;
442
d82a2a44c684 Add -u option to specify /dev/urandom instead
Matt Johnston <matt@ucc.asn.au>
parents: 418
diff changeset
276 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
277 /* 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
278 break;
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
279 case 'W':
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
280 next = &recv_window_arg;
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
281 break;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
282 case 'K':
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
283 next = &keepalive_arg;
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
284 break;
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
285 case 'I':
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
286 next = &idle_timeout_arg;
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
287 break;
225
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
288 #ifdef ENABLE_CLI_AGENTFWD
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
289 case 'A':
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
290 cli_opts.agent_fwd = 1;
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
291 break;
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
292 #endif
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
293 #ifdef ENABLE_USER_ALGO_LIST
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
294 case 'c':
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
295 next = &opts.cipher_list;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
296 break;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
297 case 'm':
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
298 next = &opts.mac_list;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
299 break;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
300 #endif
94
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
301 #ifdef DEBUG_TRACE
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
302 case 'v':
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
303 debug_trace = 1;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
304 break;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
305 #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
306 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
307 case 'e':
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
308 #ifndef ENABLE_USER_ALGO_LIST
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 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
310 case 'm':
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
311 #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
312 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
313 #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
314 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
315 #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
316 #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
317 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
318 #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
319 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
320 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
321 next = &dummy;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
322 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
323 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
324 "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
325 break;
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
326 } /* Switch */
105
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
327
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
328 /* 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
329 if (next && strlen(argv[i]) > 2) {
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
330 *next = &argv[i][2];
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
331 next = NULL;
68b84c20ca1e Fix for "-l" scp option
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
332 }
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
333
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
334 continue; /* next argument */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
335
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
336 } 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
337 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
338
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
339 /* Either the hostname or commands */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
340
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
341 if (host_arg == NULL) {
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
342 host_arg = argv[i];
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
343 } else {
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
344
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
345 /* 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
346 * 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
347 * command */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
348 cmdlen = 0;
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
349 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
350 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
351 }
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
352 /* Allocate the space */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
353 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
354 cli_opts.cmd[0] = '\0';
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
355
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
356 /* Append all the bits */
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
357 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
358 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
359 strlcat(cli_opts.cmd, " ", cmdlen);
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
360 }
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
361 /* 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
362
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
363 /* 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
364 break;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
365 }
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
366 }
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
367 }
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
368
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
369 /* And now a few sanity checks and setup */
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
370
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
371 #ifdef ENABLE_USER_ALGO_LIST
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
372 parse_ciphers_macs();
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
373 #endif
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
374
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
375 if (host_arg == 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
376 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
377 exit(EXIT_FAILURE);
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
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
380 if (cli_opts.remoteport == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
381 cli_opts.remoteport = "22";
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
382 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
383
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
384 /* 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
385 * there's a command, but we do otherwise */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
386 if (cli_opts.wantpty == 9) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
387 if (cli_opts.cmd == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
388 cli_opts.wantpty = 1;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
389 } else {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
390 cli_opts.wantpty = 0;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
391 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
392 }
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
393
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
394 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
395 && cli_opts.no_cmd == 0) {
594
a98a2138364a Improve capitalisation for all logged strings
Matt Johnston <matt@ucc.asn.au>
parents: 580
diff changeset
396 dropbear_exit("Command required for -f");
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
397 }
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
398
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
399 if (recv_window_arg) {
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
400 opts.recv_window = atol(recv_window_arg);
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
401 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
402 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
403 }
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
404 }
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
405 if (keepalive_arg) {
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
406 unsigned int val;
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
407 if (m_str_to_uint(keepalive_arg, &val) == DROPBEAR_FAILURE) {
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
408 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
409 }
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
410 opts.keepalive_secs = val;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
411 }
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
412
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
413 if (idle_timeout_arg) {
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
414 unsigned int val;
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
415 if (m_str_to_uint(idle_timeout_arg, &val) == DROPBEAR_FAILURE) {
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
416 dropbear_exit("Bad idle_timeout '%s'", idle_timeout_arg);
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
417 }
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
418 opts.idle_timeout_secs = val;
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
419 }
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
420
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
421 #ifdef ENABLE_CLI_NETCAT
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
422 if (cli_opts.cmd && cli_opts.netcat_host) {
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
423 dropbear_log(LOG_INFO, "Ignoring command '%s' in netcat mode", cli_opts.cmd);
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
424 }
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
425 #endif
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
426
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
427 /* The hostname gets set up last, since
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
428 * in multi-hop mode it will require knowledge
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
429 * of other flags such as -i */
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
430 #ifdef ENABLE_CLI_MULTIHOP
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
431 parse_multihop_hostname(host_arg, argv[0]);
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
432 #else
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
433 parse_hostname(host_arg);
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
434 #endif
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
435 }
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
436
68
eee77ac31ccc cleaning up the pubkey defines
Matt Johnston <matt@ucc.asn.au>
parents: 66
diff changeset
437 #ifdef ENABLE_CLI_PUBKEY_AUTH
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
438 static void loadidentityfile(const char* filename) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
439 sign_key *key;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
440 int keytype;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
441
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
442 key = new_sign_key();
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
443 keytype = DROPBEAR_SIGNKEY_ANY;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
444 if ( readhostkey(filename, key, &keytype) != DROPBEAR_SUCCESS ) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
445 fprintf(stderr, "Failed loading keyfile '%s'\n", filename);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
446 sign_key_free(key);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
447 } else {
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
448 key->type = keytype;
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
449 key->source = SIGNKEY_SOURCE_RAW_FILE;
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
450 key->filename = m_strdup(filename);
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
451 list_append(cli_opts.privkeys, key);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
452 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
453 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
454 #endif
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
455
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
456 #ifdef ENABLE_CLI_MULTIHOP
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
457
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
458 static char*
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
459 multihop_passthrough_args() {
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
460 char *ret;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
461 int total;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
462 unsigned int len = 0;
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
463 m_list_elem *iter;
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
464 /* Fill out -i and -W options that make sense for all
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
465 * the intermediate processes */
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
466 for (iter = cli_opts.privkeys->first; iter; iter = iter->next)
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
467 {
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
468 sign_key * key = (sign_key*)iter->item;
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
469 len += 3 + strlen(key->filename);
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
470 }
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
471 len += 20; // space for -W <size>, terminator.
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
472 ret = m_malloc(len);
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
473 total = 0;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
474
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
475 if (opts.recv_window != DEFAULT_RECV_WINDOW)
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
476 {
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
477 int written = snprintf(ret+total, len-total, "-W %d", opts.recv_window);
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
478 total += written;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
479 }
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
480
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
481 for (iter = cli_opts.privkeys->first; iter; iter = iter->next)
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
482 {
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
483 sign_key * key = (sign_key*)iter->item;
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
484 const size_t size = len - total;
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
485 int written = snprintf(ret+total, size, "-i %s", key->filename);
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
486 dropbear_assert((unsigned int)written < size);
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
487 total += written;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
488 }
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
489
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
490 return ret;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
491 }
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
492
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
493 /* Sets up 'onion-forwarding' connections. This will spawn
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
494 * a separate dbclient process for each hop.
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
495 * As an example, if the cmdline is
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
496 * dbclient wrt,madako,canyons
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
497 * then we want to run:
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
498 * dbclient -J "dbclient -B canyons:22 wrt,madako" canyons
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
499 * and then the inner dbclient will recursively run:
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
500 * dbclient -J "dbclient -B madako:22 wrt" madako
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
501 * etc for as many hosts as we want.
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
502 *
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
503 * Ports for hosts can be specified as host/port.
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
504 */
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
505 static void parse_multihop_hostname(const char* orighostarg, const char* argv0) {
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
506 char *userhostarg = NULL;
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
507 char *hostbuf = NULL;
574
b6665c1eac43 Remove extraneous semicolon
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
508 char *last_hop = NULL;
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
509 char *remainder = NULL;
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
510
494
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
511 /* both scp and rsync parse a [email protected] argument
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
512 * and turn it into "-l user host". This breaks
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
513 * for our multihop syntax, so we suture it back together.
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
514 * This will break usernames that have both '@' and ',' in them,
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
515 * though that should be fairly uncommon. */
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
516 if (cli_opts.username
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
517 && strchr(cli_opts.username, ',')
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
518 && strchr(cli_opts.username, '@')) {
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
519 unsigned int len = strlen(orighostarg) + strlen(cli_opts.username) + 2;
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
520 hostbuf = m_malloc(len);
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
521 snprintf(hostbuf, len, "%[email protected]%s", cli_opts.username, orighostarg);
494
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
522 } else {
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
523 hostbuf = m_strdup(orighostarg);
494
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
524 }
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
525 userhostarg = hostbuf;
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
526
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
527 last_hop = strrchr(userhostarg, ',');
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
528 if (last_hop) {
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
529 if (last_hop == userhostarg) {
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
530 dropbear_exit("Bad multi-hop hostnames");
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
531 }
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
532 *last_hop = '\0';
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
533 last_hop++;
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
534 remainder = userhostarg;
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
535 userhostarg = last_hop;
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
536 }
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
537
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
538 parse_hostname(userhostarg);
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
539
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
540 if (last_hop) {
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
541 /* Set up the proxycmd */
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
542 unsigned int cmd_len = 0;
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
543 char *passthrough_args = multihop_passthrough_args();
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
544 if (cli_opts.proxycmd) {
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
545 dropbear_exit("-J can't be used with multihop mode");
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
546 }
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
547 if (cli_opts.remoteport == NULL) {
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
548 cli_opts.remoteport = "22";
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
549 }
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
550 cmd_len = strlen(argv0) + strlen(remainder)
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
551 + strlen(cli_opts.remotehost) + strlen(cli_opts.remoteport)
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
552 + strlen(passthrough_args)
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
553 + 30;
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
554 cli_opts.proxycmd = m_malloc(cmd_len);
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
555 snprintf(cli_opts.proxycmd, cmd_len, "%s -B %s:%s %s %s",
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
556 argv0, cli_opts.remotehost, cli_opts.remoteport,
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
557 passthrough_args, remainder);
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
558 #ifndef DISABLE_ZLIB
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
559 /* The stream will be incompressible since it's encrypted. */
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
560 opts.enable_compress = 0;
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
561 #endif
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
562 m_free(passthrough_args);
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
563 }
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
564 m_free(hostbuf);
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
565 }
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
566 #endif /* !ENABLE_CLI_MULTIHOP */
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
567
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
568 /* Parses a [[email protected]]hostname[/port] argument. */
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
569 static void parse_hostname(const char* orighostarg) {
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
570 char *userhostarg = NULL;
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
571 char *port = NULL;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
572
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
573 userhostarg = m_strdup(orighostarg);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
574
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
575 cli_opts.remotehost = strchr(userhostarg, '@');
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
576 if (cli_opts.remotehost == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
577 /* 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
578 * local user's name */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
579 cli_opts.remotehost = userhostarg;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
580 } else {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
581 cli_opts.remotehost[0] = '\0'; /* Split the user/host */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
582 cli_opts.remotehost++;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
583 cli_opts.username = userhostarg;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
584 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
585
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
586 if (cli_opts.username == NULL) {
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
587 cli_opts.username = m_strdup(cli_opts.own_user);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
588 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
589
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
590 port = strchr(cli_opts.remotehost, '/');
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
591 if (port) {
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
592 *port = '\0';
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
593 cli_opts.remoteport = port+1;
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
594 }
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
595
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
596 if (cli_opts.remotehost[0] == '\0') {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
597 dropbear_exit("Bad hostname");
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
598 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
599 }
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
600
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
601 #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
602 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
603 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
604
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
605 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
606
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
607 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
608 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
609 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
610 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
611 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
612 *portstr = '\0';
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
613 portstr++;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
614
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
615 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
616 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
617 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
618 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
619
492
b956d6151600 Replace calls to strtoul() with a helper m_str_to_uint()
Matt Johnston <matt@ucc.asn.au>
parents: 489
diff changeset
620 if (m_str_to_uint(portstr, &cli_opts.netcat_port) == DROPBEAR_FAILURE) {
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
621 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
622 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
623 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
624
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
625 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
626 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
627 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
628 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
629
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
630 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
631 return;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
632
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
633 fail:
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
634 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
635 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
636 #endif
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
637
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
638 static void fill_own_user() {
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
639 uid_t uid;
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
640 struct passwd *pw = NULL;
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
641
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
642 uid = getuid();
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
643
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
644 pw = getpwuid(uid);
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
645 if (pw == NULL || pw->pw_name == NULL) {
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
646 dropbear_exit("Unknown own user");
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
647 }
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
648
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
649 cli_opts.own_user = m_strdup(pw->pw_name);
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
650 }
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
651
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
652 #ifdef ENABLE_CLI_ANYTCPFWD
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
653 /* Turn a "[listenaddr:]listenport:remoteaddr:remoteport" string into into a forwarding
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
654 * set, and add it to the forwarding list */
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
655 static void addforward(const char* origstr, m_list *fwdlist) {
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
656
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
657 char *part1 = NULL, *part2 = NULL, *part3 = NULL, *part4 = NULL;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
658 char * listenaddr = NULL;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
659 char * listenport = NULL;
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
660 char * connectaddr = NULL;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
661 char * connectport = NULL;
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
662 struct TCPFwdEntry* newfwd = NULL;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
663 char * str = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
664
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
665 TRACE(("enter addforward"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
666
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
667 /* 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
668 is never free()d. */
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
669 str = m_strdup(origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
670
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
671 part1 = str;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
672
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
673 part2 = strchr(str, ':');
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
674 if (part2 == NULL) {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
675 TRACE(("part2 == NULL"))
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
676 goto fail;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
677 }
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
678 *part2 = '\0';
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
679 part2++;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
680
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
681 part3 = strchr(part2, ':');
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
682 if (part3 == NULL) {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
683 TRACE(("part3 == NULL"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
684 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
685 }
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
686 *part3 = '\0';
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
687 part3++;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
688
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
689 part4 = strchr(part3, ':');
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
690 if (part4) {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
691 *part4 = '\0';
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
692 part4++;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
693 }
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
694
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
695 if (part4) {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
696 listenaddr = part1;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
697 listenport = part2;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
698 connectaddr = part3;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
699 connectport = part4;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
700 } else {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
701 listenaddr = NULL;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
702 listenport = part1;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
703 connectaddr = part2;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
704 connectport = part3;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
705 }
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
706
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
707 newfwd = m_malloc(sizeof(struct TCPFwdEntry));
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
708
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
709 /* 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
710 * the check later only checks for >= MAX_PORT */
492
b956d6151600 Replace calls to strtoul() with a helper m_str_to_uint()
Matt Johnston <matt@ucc.asn.au>
parents: 489
diff changeset
711 if (m_str_to_uint(listenport, &newfwd->listenport) == DROPBEAR_FAILURE) {
b956d6151600 Replace calls to strtoul() with a helper m_str_to_uint()
Matt Johnston <matt@ucc.asn.au>
parents: 489
diff changeset
712 TRACE(("bad listenport strtoul"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
713 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
714 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
715
492
b956d6151600 Replace calls to strtoul() with a helper m_str_to_uint()
Matt Johnston <matt@ucc.asn.au>
parents: 489
diff changeset
716 if (m_str_to_uint(connectport, &newfwd->connectport) == DROPBEAR_FAILURE) {
b956d6151600 Replace calls to strtoul() with a helper m_str_to_uint()
Matt Johnston <matt@ucc.asn.au>
parents: 489
diff changeset
717 TRACE(("bad connectport strtoul"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
718 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
719 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
720
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
721 newfwd->listenaddr = listenaddr;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
722 newfwd->connectaddr = connectaddr;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
723
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
724 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
725 TRACE(("listenport > 65535"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
726 goto badport;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
727 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
728
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
729 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
730 TRACE(("connectport > 65535"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
731 goto badport;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
732 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
733
505
805e557fdff7 Report errors if a remote request fails
Matt Johnston <matt@ucc.asn.au>
parents: 497
diff changeset
734 newfwd->have_reply = 0;
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
735 list_append(fwdlist, newfwd);
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
736
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
737 TRACE(("leave addforward: done"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
738 return;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
739
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
740 fail:
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
741 dropbear_exit("Bad TCP forward '%s'", origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
742
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
743 badport:
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
744 dropbear_exit("Bad TCP port in '%s'", origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
745 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
746 #endif