annotate cli-runopts.c @ 1465:f7a53832501d

cli_bind_address_connect * replaces -b dummy option in dbclient to be similar with openssh -b option * useful in multi-wan connections
author houseofkodai <karthik@houseofkodai.in>
date Mon, 01 May 2017 08:26:15 +0530
parents e8f67918fdc9
children f787f60f8e45
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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(void);
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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(void);
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40 #if DROPBEAR_CLI_PUBKEY_AUTH
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41 static void loadidentityfile(const char* filename, int warnfail);
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42 #endif
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43 #if DROPBEAR_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 #if DROPBEAR_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 static void add_extendedopt(const char *str);
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50
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51 static void printhelp() {
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52
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53 fprintf(stderr, "Dropbear SSH client v%s https://matt.ucc.asn.au/dropbear/dropbear.html\n"
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54 #if DROPBEAR_CLI_MULTIHOP
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55 "Usage: %s [options] [[email protected]]host[/port][,[[email protected]]host/port],...] [command]\n"
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56 #else
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57 "Usage: %s [options] [[email protected]]host[/port] [command]\n"
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58 #endif
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59 "-p <remoteport>\n"
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60 "-l <username>\n"
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61 "-t Allocate a pty\n"
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62 "-T Don't allocate a pty\n"
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63 "-N Don't run a remote command\n"
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64 "-f Run in background after auth\n"
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65 "-y Always accept remote host key if unknown\n"
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66 "-y -y Don't perform any remote host key checking (caution)\n"
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67 "-s Request a subsystem (use by external sftp)\n"
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68 "-o option Set option in OpenSSH-like format ('-o help' to list options)\n"
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69 #if DROPBEAR_CLI_PUBKEY_AUTH
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70 "-i <identityfile> (multiple allowed, default %s)\n"
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71 #endif
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72 #if DROPBEAR_CLI_AGENTFWD
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73 "-A Enable agent auth forwarding\n"
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74 #endif
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75 #if DROPBEAR_CLI_LOCALTCPFWD
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76 "-L <[listenaddress:]listenport:remotehost:remoteport> Local port forwarding\n"
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77 "-g Allow remote hosts to connect to forwarded ports\n"
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78 #endif
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79 #if DROPBEAR_CLI_REMOTETCPFWD
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80 "-R <[listenaddress:]listenport:remotehost:remoteport> Remote port forwarding\n"
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81 #endif
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82 "-W <receive_window_buffer> (default %d, larger may be faster, max 1MB)\n"
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83 "-K <keepalive> (0 is never, default %d)\n"
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84 "-I <idle_timeout> (0 is never, default %d)\n"
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85 #if DROPBEAR_CLI_NETCAT
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86 "-B <endhost:endport> Netcat-alike forwarding\n"
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87 #endif
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88 #if DROPBEAR_CLI_PROXYCMD
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89 "-J <proxy_program> Use program pipe rather than TCP connection\n"
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90 #endif
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91 #if DROPBEAR_USER_ALGO_LIST
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92 "-c <cipher list> Specify preferred ciphers ('-c help' to list options)\n"
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93 "-m <MAC list> Specify preferred MACs for packet verification (or '-m help')\n"
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94 #endif
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95 "-b bind_address\n"
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96 "-V Version\n"
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97 #if DEBUG_TRACE
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98 "-v verbose (compiled with DEBUG_TRACE)\n"
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99 #endif
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100 ,DROPBEAR_VERSION, cli_opts.progname,
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101 #if DROPBEAR_CLI_PUBKEY_AUTH
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102 DROPBEAR_DEFAULT_CLI_AUTHKEY,
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103 #endif
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104 DEFAULT_RECV_WINDOW, DEFAULT_KEEPALIVE, DEFAULT_IDLE_TIMEOUT);
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105
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106 }
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107
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108 void cli_getopts(int argc, char ** argv) {
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109 unsigned int i, j;
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110 char ** next = NULL;
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111 enum {
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112 OPT_EXTENDED_OPTIONS,
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113 #if DROPBEAR_CLI_PUBKEY_AUTH
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114 OPT_AUTHKEY,
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115 #endif
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116 #if DROPBEAR_CLI_LOCALTCPFWD
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117 OPT_LOCALTCPFWD,
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118 #endif
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119 #if DROPBEAR_CLI_REMOTETCPFWD
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120 OPT_REMOTETCPFWD,
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121 #endif
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122 #if DROPBEAR_CLI_NETCAT
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123 OPT_NETCAT,
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124 #endif
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125 /* a flag (no arg) if 'next' is NULL, a string-valued option otherwise */
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126 OPT_OTHER
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127 } opt;
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128 unsigned int cmdlen;
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129
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130 char* recv_window_arg = NULL;
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131 char* keepalive_arg = NULL;
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132 char* idle_timeout_arg = NULL;
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133 char *host_arg = NULL;
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134 char c;
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135
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136 /* see printhelp() for options */
40
b4874d772210 - Added terminal mode handling etc for the client, and window change
Matt Johnston <matt@ucc.asn.au>
parents: 39
diff changeset
137 cli_opts.progname = argv[0];
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
138 cli_opts.remotehost = NULL;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
139 cli_opts.remoteport = NULL;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
140 cli_opts.username = NULL;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
141 cli_opts.cmd = NULL;
325
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
142 cli_opts.no_cmd = 0;
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
143 cli_opts.backgrounded = 0;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
144 cli_opts.wantpty = 9; /* 9 means "it hasn't been touched", gets set later */
418
ab57ba0cb667 Add '-y' option to dbclient to accept the host key without checking
Matt Johnston <matt@ucc.asn.au>
parents: 412
diff changeset
145 cli_opts.always_accept_key = 0;
772
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
146 cli_opts.no_hostkey_check = 0;
497
ae600f1eef81 - Enable -s for specifying a subsystem (such as sftp)
Matt Johnston <matt@ucc.asn.au>
parents: 494
diff changeset
147 cli_opts.is_subsystem = 0;
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
148 #if DROPBEAR_CLI_PUBKEY_AUTH
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
149 cli_opts.privkeys = list_new();
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
150 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
151 #if DROPBEAR_CLI_ANYTCPFWD
1206
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
152 cli_opts.exit_on_fwd_failure = 0;
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
153 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
154 #if DROPBEAR_CLI_LOCALTCPFWD
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
155 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
156 opts.listen_fwd_all = 0;
62
20563735e8b5 just checkpointing
Matt Johnston <matt@ucc.asn.au>
parents: 56
diff changeset
157 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
158 #if DROPBEAR_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
159 cli_opts.remotefwds = list_new();
62
20563735e8b5 just checkpointing
Matt Johnston <matt@ucc.asn.au>
parents: 56
diff changeset
160 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
161 #if DROPBEAR_CLI_AGENTFWD
225
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
162 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
163 cli_opts.agent_fd = -1;
225
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
164 cli_opts.agent_keys_loaded = 0;
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
165 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
166 #if DROPBEAR_CLI_PROXYCMD
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
167 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
168 #endif
1465
f7a53832501d cli_bind_address_connect
houseofkodai <karthik@houseofkodai.in>
parents: 1404
diff changeset
169 cli_opts.bind_address = NULL;
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
170 #ifndef DISABLE_ZLIB
996
47643024fc90 Disable non-delayed zlib for server
Matt Johnston <matt@ucc.asn.au>
parents: 995
diff changeset
171 opts.compress_mode = DROPBEAR_COMPRESS_ON;
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
172 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
173 #if DROPBEAR_USER_ALGO_LIST
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
174 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
175 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
176 #endif
1210
64a50eac1030 Moved usingsyslog from svr_runopts to runopts.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1206
diff changeset
177 #ifndef DISABLE_SYSLOG
64a50eac1030 Moved usingsyslog from svr_runopts to runopts.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1206
diff changeset
178 opts.usingsyslog = 0;
64a50eac1030 Moved usingsyslog from svr_runopts to runopts.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1206
diff changeset
179 #endif
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
180 /* not yet
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
181 opts.ipv4 = 1;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
182 opts.ipv6 = 1;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
183 */
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
184 opts.recv_window = DEFAULT_RECV_WINDOW;
939
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval
Matt Johnston <matt@ucc.asn.au>
parents: 895
diff changeset
185 opts.keepalive_secs = DEFAULT_KEEPALIVE;
a0819ecfee0b Make -K keepalive behave like OpenSSH's ServerAliveInterval
Matt Johnston <matt@ucc.asn.au>
parents: 895
diff changeset
186 opts.idle_timeout_secs = DEFAULT_IDLE_TIMEOUT;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
187
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
188 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
189
1171
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
190 for (i = 1; i < (unsigned int)argc; i++) {
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
191 /* Handle non-flag arguments such as hostname or commands for the remote host */
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
192 if (argv[i][0] != '-')
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
193 {
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
194 if (host_arg == NULL) {
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
195 host_arg = argv[i];
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
196 continue;
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
197 }
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
198 /* Commands to pass to the remote host. No more flag handling,
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
199 commands are consumed below */
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
200 break;
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
201 }
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
202
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
203 /* Begins with '-' */
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
204 opt = OPT_OTHER;
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
205 for (j = 1; (c = argv[i][j]) != '\0' && !next && opt == OPT_OTHER; j++) {
1153
67d8a904f5a9 don't silently ignore extra flag arguments
Matt Johnston <matt@ucc.asn.au>
parents: 1134
diff changeset
206 switch (c) {
418
ab57ba0cb667 Add '-y' option to dbclient to accept the host key without checking
Matt Johnston <matt@ucc.asn.au>
parents: 412
diff changeset
207 case 'y': /* always accept the remote hostkey */
772
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
208 if (cli_opts.always_accept_key) {
857
c19acba28590 use oldstyle comments
Matt Johnston <matt@ucc.asn.au>
parents: 852
diff changeset
209 /* twice means no checking at all */
772
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
210 cli_opts.no_hostkey_check = 1;
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
211 }
418
ab57ba0cb667 Add '-y' option to dbclient to accept the host key without checking
Matt Johnston <matt@ucc.asn.au>
parents: 412
diff changeset
212 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
213 break;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
214 case 'p': /* remoteport */
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
215 next = &cli_opts.remoteport;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
216 break;
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
217 #if DROPBEAR_CLI_PUBKEY_AUTH
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
218 case 'i': /* an identityfile */
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
219 opt = OPT_AUTHKEY;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
220 break;
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
221 #endif
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
222 case 't': /* we want a pty */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
223 cli_opts.wantpty = 1;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
224 break;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
225 case 'T': /* don't want a pty */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
226 cli_opts.wantpty = 0;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
227 break;
325
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
228 case 'N':
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
229 cli_opts.no_cmd = 1;
0e4f225b7e07 Add -N "no remote command" dbclient option.
Matt Johnston <matt@ucc.asn.au>
parents: 258
diff changeset
230 break;
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
231 case 'f':
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
232 cli_opts.backgrounded = 1;
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
233 break;
497
ae600f1eef81 - Enable -s for specifying a subsystem (such as sftp)
Matt Johnston <matt@ucc.asn.au>
parents: 494
diff changeset
234 case 's':
ae600f1eef81 - Enable -s for specifying a subsystem (such as sftp)
Matt Johnston <matt@ucc.asn.au>
parents: 494
diff changeset
235 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
236 break;
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
237 case 'o':
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
238 opt = OPT_EXTENDED_OPTIONS;
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
239 break;
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
240 #if DROPBEAR_CLI_LOCALTCPFWD
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
241 case 'L':
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
242 opt = OPT_LOCALTCPFWD;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
243 break;
258
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
244 case 'g':
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
245 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
246 break;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
247 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
248 #if DROPBEAR_CLI_REMOTETCPFWD
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
249 case 'R':
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
250 opt = OPT_REMOTETCPFWD;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
251 break;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
252 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
253 #if DROPBEAR_CLI_NETCAT
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
254 case 'B':
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
255 opt = OPT_NETCAT;
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
256 break;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
257 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
258 #if DROPBEAR_CLI_PROXYCMD
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
259 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
260 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
261 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
262 #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
263 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
264 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
265 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
266 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
267 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
268 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
269 break;
442
d82a2a44c684 Add -u option to specify /dev/urandom instead
Matt Johnston <matt@ucc.asn.au>
parents: 418
diff changeset
270 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
271 /* 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
272 break;
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
273 case 'W':
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
274 next = &recv_window_arg;
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
275 break;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
276 case 'K':
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
277 next = &keepalive_arg;
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
278 break;
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
279 case 'I':
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
280 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
281 break;
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
282 #if DROPBEAR_CLI_AGENTFWD
225
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
283 case 'A':
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
284 cli_opts.agent_fwd = 1;
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
285 break;
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 215
diff changeset
286 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
287 #if DROPBEAR_USER_ALGO_LIST
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
288 case 'c':
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
289 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
290 break;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
291 case 'm':
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
292 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
293 break;
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
294 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
295 #if DEBUG_TRACE
94
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
296 case 'v':
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
297 debug_trace = 1;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
298 break;
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 68
diff changeset
299 #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
300 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
301 case 'e':
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
302 #if !DROPBEAR_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
303 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
304 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
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 'D':
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
307 #ifndef DROPBEAR_CLI_REMOTETCPFWD
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
308 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
309 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
310 #ifndef DROPBEAR_CLI_LOCALTCPFWD
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
311 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
312 #endif
946
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 939
diff changeset
313 case 'V':
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 939
diff changeset
314 print_version();
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 939
diff changeset
315 exit(EXIT_SUCCESS);
17d874ae93a1 Add '-V' for version
Matt Johnston <matt@ucc.asn.au>
parents: 939
diff changeset
316 break;
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
317 case 'b':
1465
f7a53832501d cli_bind_address_connect
houseofkodai <karthik@houseofkodai.in>
parents: 1404
diff changeset
318 next = &cli_opts.bind_address;
f7a53832501d cli_bind_address_connect
houseofkodai <karthik@houseofkodai.in>
parents: 1404
diff changeset
319 break;
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
320 default:
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
321 fprintf(stderr,
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
322 "WARNING: Ignoring unknown option -%c\n", c);
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
323 break;
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
324 } /* Switch */
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
325 }
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
326
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
327 if (!next && opt == OPT_OTHER) /* got a flag */
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
328 continue;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
329
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
330 if (c == '\0') {
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
331 i++;
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
332 j = 0;
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
333 if (!argv[i])
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
334 dropbear_exit("Missing argument");
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
335 }
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
336
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
337 if (opt == OPT_EXTENDED_OPTIONS) {
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
338 TRACE(("opt extended"))
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
339 add_extendedopt(&argv[i][j]);
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
340 }
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
341 else
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
342 #if DROPBEAR_CLI_PUBKEY_AUTH
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
343 if (opt == OPT_AUTHKEY) {
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
344 TRACE(("opt authkey"))
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
345 loadidentityfile(&argv[i][j], 1);
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
346 }
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
347 else
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
348 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
349 #if DROPBEAR_CLI_REMOTETCPFWD
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
350 if (opt == OPT_REMOTETCPFWD) {
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
351 TRACE(("opt remotetcpfwd"))
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
352 addforward(&argv[i][j], cli_opts.remotefwds);
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
353 }
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
354 else
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
355 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
356 #if DROPBEAR_CLI_LOCALTCPFWD
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
357 if (opt == OPT_LOCALTCPFWD) {
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
358 TRACE(("opt localtcpfwd"))
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
359 addforward(&argv[i][j], cli_opts.localfwds);
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
360 }
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
361 else
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
362 #endif
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
363 #if DROPBEAR_CLI_NETCAT
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
364 if (opt == OPT_NETCAT) {
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
365 TRACE(("opt netcat"))
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
366 add_netcat(&argv[i][j]);
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
367 }
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
368 else
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
369 #endif
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
370 if (next) {
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
371 /* The previous flag set a value to assign */
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
372 *next = &argv[i][j];
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
373 if (*next == NULL)
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
374 dropbear_exit("Invalid null argument");
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
375 next = NULL;
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
376 }
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
377 }
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
378
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
379 /* Done with options/flags; now handle the hostname (which may not
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
380 * start with a hyphen) and optional command */
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
381
1171
c745f720ae2e Fix flags after the hostname
Matt Johnston <matt@ucc.asn.au>
parents: 1170
diff changeset
382 if (host_arg == NULL) { /* missing hostname */
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
383 printhelp();
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
384 exit(EXIT_FAILURE);
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
385 }
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
386 TRACE(("host is: %s", host_arg))
46
3bea78e1b175 Filled out a bit, with commandline support etc
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
387
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
388 if (i < (unsigned int)argc) {
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
389 /* Build the command to send */
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
390 cmdlen = 0;
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
391 for (j = i; j < (unsigned int)argc; j++)
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
392 cmdlen += strlen(argv[j]) + 1; /* +1 for spaces */
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
393
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
394 /* Allocate the space */
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
395 cli_opts.cmd = (char*)m_malloc(cmdlen);
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
396 cli_opts.cmd[0] = '\0';
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
397
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
398 /* Append all the bits */
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
399 for (j = i; j < (unsigned int)argc; j++) {
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
400 strlcat(cli_opts.cmd, argv[j], cmdlen);
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
401 strlcat(cli_opts.cmd, " ", cmdlen);
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
402 }
1170
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
403 /* It'll be null-terminated here */
ff9bd50f1457 Bundling for dbclient
Guilhem Moulin <guilhem@fripost.org>
parents: 1160
diff changeset
404 TRACE(("cmd is: %s", cli_opts.cmd))
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
405 }
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
406
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
407 /* 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
408
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
409 #if DROPBEAR_USER_ALGO_LIST
682
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
410 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
411 #endif
4edea9f363d0 Add rough support for choosing ciphers/hashes with "-c" or "-m"
Matt Johnston <matt@ucc.asn.au>
parents: 674
diff changeset
412
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
413 #if DROPBEAR_CLI_PROXYCMD
812
c936abfa9935 strdup the proxycmd to avoid crash when freeing, from Lluís Batlle i Rossell
Matt Johnston <matt@ucc.asn.au>
parents: 784
diff changeset
414 if (cli_opts.proxycmd) {
c936abfa9935 strdup the proxycmd to avoid crash when freeing, from Lluís Batlle i Rossell
Matt Johnston <matt@ucc.asn.au>
parents: 784
diff changeset
415 /* To match the common path of m_freeing it */
c936abfa9935 strdup the proxycmd to avoid crash when freeing, from Lluís Batlle i Rossell
Matt Johnston <matt@ucc.asn.au>
parents: 784
diff changeset
416 cli_opts.proxycmd = m_strdup(cli_opts.proxycmd);
c936abfa9935 strdup the proxycmd to avoid crash when freeing, from Lluís Batlle i Rossell
Matt Johnston <matt@ucc.asn.au>
parents: 784
diff changeset
417 }
c936abfa9935 strdup the proxycmd to avoid crash when freeing, from Lluís Batlle i Rossell
Matt Johnston <matt@ucc.asn.au>
parents: 784
diff changeset
418 #endif
c936abfa9935 strdup the proxycmd to avoid crash when freeing, from Lluís Batlle i Rossell
Matt Johnston <matt@ucc.asn.au>
parents: 784
diff changeset
419
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
420 if (cli_opts.remoteport == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
421 cli_opts.remoteport = "22";
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
422 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
423
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
424 /* 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
425 * there's a command, but we do otherwise */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
426 if (cli_opts.wantpty == 9) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
427 if (cli_opts.cmd == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
428 cli_opts.wantpty = 1;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
429 } else {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
430 cli_opts.wantpty = 0;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
431 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
432 }
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
433
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
434 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
435 && cli_opts.no_cmd == 0) {
594
a98a2138364a Improve capitalisation for all logged strings
Matt Johnston <matt@ucc.asn.au>
parents: 580
diff changeset
436 dropbear_exit("Command required for -f");
326
d965110e3f5c add -f background option to dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
437 }
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
438
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
439 if (recv_window_arg) {
449
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
440 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
441 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
442 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
443 }
3e6c536bc023 Add -W <windowsize> argument and document it.
Matt Johnston <matt@ucc.asn.au>
parents: 446
diff changeset
444 }
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
445 if (keepalive_arg) {
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
446 unsigned int val;
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
447 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
448 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
449 }
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
450 opts.keepalive_secs = val;
454
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient
Matt Johnston <matt@ucc.asn.au>
parents: 449
diff changeset
451 }
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
452
513
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
453 if (idle_timeout_arg) {
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
454 unsigned int val;
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
455 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
456 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
457 }
568
005530560594 Rearrange getaddrstring() etc
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
458 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
459 }
a3748e54273c Idle timeout patch from Farrell Aultman. Needs testing, unsure if server
Matt Johnston <matt@ucc.asn.au>
parents: 509
diff changeset
460
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
461 #if DROPBEAR_CLI_NETCAT
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
462 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
463 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
464 }
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
465 #endif
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
466
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
467 #if (DROPBEAR_CLI_PUBKEY_AUTH)
995
6fb4c010c448 Default client key path ~/.ssh/id_dropbear
Matt Johnston <matt@ucc.asn.au>
parents: 961
diff changeset
468 {
1134
36557295418e change DROPBEAR_DEFAULT_CLI_AUTHKEY to just prepend homedir
Matt Johnston <matt@ucc.asn.au>
parents: 1085
diff changeset
469 char *expand_path = expand_homedir_path(DROPBEAR_DEFAULT_CLI_AUTHKEY);
995
6fb4c010c448 Default client key path ~/.ssh/id_dropbear
Matt Johnston <matt@ucc.asn.au>
parents: 961
diff changeset
470 loadidentityfile(expand_path, 0);
6fb4c010c448 Default client key path ~/.ssh/id_dropbear
Matt Johnston <matt@ucc.asn.au>
parents: 961
diff changeset
471 m_free(expand_path);
6fb4c010c448 Default client key path ~/.ssh/id_dropbear
Matt Johnston <matt@ucc.asn.au>
parents: 961
diff changeset
472 }
6fb4c010c448 Default client key path ~/.ssh/id_dropbear
Matt Johnston <matt@ucc.asn.au>
parents: 961
diff changeset
473 #endif
6fb4c010c448 Default client key path ~/.ssh/id_dropbear
Matt Johnston <matt@ucc.asn.au>
parents: 961
diff changeset
474
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
475 /* 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
476 * 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
477 * of other flags such as -i */
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
478 #if DROPBEAR_CLI_MULTIHOP
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
479 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
480 #else
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
481 parse_hostname(host_arg);
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
482 #endif
39
0883c0906870 tty raw mode support works mostly
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
483 }
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
484
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
485 #if DROPBEAR_CLI_PUBKEY_AUTH
995
6fb4c010c448 Default client key path ~/.ssh/id_dropbear
Matt Johnston <matt@ucc.asn.au>
parents: 961
diff changeset
486 static void loadidentityfile(const char* filename, int warnfail) {
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
487 sign_key *key;
852
7540c0822374 Various cleanups and fixes for warnings
Matt Johnston <matt@ucc.asn.au>
parents: 812
diff changeset
488 enum signkey_type keytype;
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
489
995
6fb4c010c448 Default client key path ~/.ssh/id_dropbear
Matt Johnston <matt@ucc.asn.au>
parents: 961
diff changeset
490 TRACE(("loadidentityfile %s", filename))
6fb4c010c448 Default client key path ~/.ssh/id_dropbear
Matt Johnston <matt@ucc.asn.au>
parents: 961
diff changeset
491
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
492 key = new_sign_key();
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
493 keytype = DROPBEAR_SIGNKEY_ANY;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
494 if ( readhostkey(filename, key, &keytype) != DROPBEAR_SUCCESS ) {
995
6fb4c010c448 Default client key path ~/.ssh/id_dropbear
Matt Johnston <matt@ucc.asn.au>
parents: 961
diff changeset
495 if (warnfail) {
1213
7fd1211a1f63 Use dropbear_log instead of some fprintf's in client code.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1212
diff changeset
496 dropbear_log(LOG_WARNING, "Failed loading keyfile '%s'\n", filename);
995
6fb4c010c448 Default client key path ~/.ssh/id_dropbear
Matt Johnston <matt@ucc.asn.au>
parents: 961
diff changeset
497 }
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
498 sign_key_free(key);
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
499 } 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
500 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
501 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
502 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
503 list_append(cli_opts.privkeys, key);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
504 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
505 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
506 #endif
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
507
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
508 #if DROPBEAR_CLI_MULTIHOP
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
509
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
510 static char*
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
511 multihop_passthrough_args() {
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
512 char *ret;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
513 int total;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
514 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
515 m_list_elem *iter;
772
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
516 /* Fill out -i, -y, -W options that make sense for all
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
517 * the intermediate processes */
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
518 #if DROPBEAR_CLI_PUBKEY_AUTH
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
519 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
520 {
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
521 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
522 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
523 }
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
524 #endif /* DROPBEAR_CLI_PUBKEY_AUTH */
1085
ad14e2e71190 Fix building when ENABLE_CLI_PUBKEY_AUTH is unset
Matt Johnston <matt@ucc.asn.au>
parents: 996
diff changeset
525
857
c19acba28590 use oldstyle comments
Matt Johnston <matt@ucc.asn.au>
parents: 852
diff changeset
526 len += 30; /* space for -W <size>, terminator. */
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
527 ret = m_malloc(len);
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
528 total = 0;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
529
772
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
530 if (cli_opts.no_hostkey_check)
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
531 {
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
532 int written = snprintf(ret+total, len-total, "-y -y ");
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
533 total += written;
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
534 }
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
535 else if (cli_opts.always_accept_key)
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
536 {
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
537 int written = snprintf(ret+total, len-total, "-y ");
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
538 total += written;
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
539 }
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
540
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
541 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
542 {
1237
888e3d17e962 Fix print format specifier
Chocobo1 <Chocobo1@users.noreply.github.com>
parents: 1220
diff changeset
543 int written = snprintf(ret+total, len-total, "-W %u ", opts.recv_window);
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
544 total += written;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
545 }
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
546
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
547 #if DROPBEAR_CLI_PUBKEY_AUTH
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
548 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
549 {
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
550 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
551 const size_t size = len - total;
772
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
552 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
553 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
554 total += written;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
555 }
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
556 #endif /* DROPBEAR_CLI_PUBKEY_AUTH */
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
557
776
f7c8b786e595 changelog updates for 2013.57
Matt Johnston <matt@ucc.asn.au>
parents: 772
diff changeset
558 /* if args were passed, total will be not zero, and it will have a space at the end, so remove that */
772
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
559 if (total > 0)
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
560 {
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
561 total--;
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
562 }
7fc0aeada79c -y -y to disable hostkey checking
Matt Johnston <matt@ucc.asn.au>
parents: 716
diff changeset
563
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
564 return ret;
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
565 }
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
566
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
567 /* 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
568 * 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
569 * 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
570 * dbclient wrt,madako,canyons
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
571 * then we want to run:
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
572 * 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
573 * 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
574 * 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
575 * 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
576 *
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
577 * 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
578 */
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
579 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
580 char *userhostarg = NULL;
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
581 char *hostbuf = NULL;
574
b6665c1eac43 Remove extraneous semicolon
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
582 char *last_hop = NULL;
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
583 char *remainder = NULL;
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
584
494
66eac4631d88 - Work around rsync and scp parsing and modifying the [email protected] argument,
Matt Johnston <matt@ucc.asn.au>
parents: 492
diff changeset
585 /* 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
586 * 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
587 * 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
588 * 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
589 * 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
590 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
591 && 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
592 && 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
593 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
594 hostbuf = m_malloc(len);
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
595 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
596 } else {
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
597 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
598 }
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
599 userhostarg = hostbuf;
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
600
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
601 last_hop = strrchr(userhostarg, ',');
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
602 if (last_hop) {
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
603 if (last_hop == userhostarg) {
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
604 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
605 }
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
606 *last_hop = '\0';
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
607 last_hop++;
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
608 remainder = userhostarg;
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
609 userhostarg = last_hop;
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
610 }
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
611
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
612 parse_hostname(userhostarg);
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
613
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
614 if (last_hop) {
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
615 /* Set up the proxycmd */
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
616 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
617 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
618 if (cli_opts.proxycmd) {
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
619 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
620 }
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
621 if (cli_opts.remoteport == NULL) {
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
622 cli_opts.remoteport = "22";
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
623 }
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
624 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
625 + 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
626 + strlen(passthrough_args)
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
627 + 30;
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
628 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
629 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
630 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
631 passthrough_args, remainder);
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
632 #ifndef DISABLE_ZLIB
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
633 /* The stream will be incompressible since it's encrypted. */
996
47643024fc90 Disable non-delayed zlib for server
Matt Johnston <matt@ucc.asn.au>
parents: 995
diff changeset
634 opts.compress_mode = DROPBEAR_COMPRESS_OFF;
575
f9b5dc0cba61 - Disable compression for non-final multihops
Matt Johnston <matt@ucc.asn.au>
parents: 574
diff changeset
635 #endif
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
636 m_free(passthrough_args);
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
637 }
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 541
diff changeset
638 m_free(hostbuf);
487
2e17f82a7330 Add multihop 'onion-forwarding' mode. Needs refinement, works.
Matt Johnston <matt@ucc.asn.au>
parents: 486
diff changeset
639 }
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
640 #endif /* !DROPBEAR_CLI_MULTIHOP */
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
641
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
642 /* 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
643 static void parse_hostname(const char* orighostarg) {
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
644 char *userhostarg = NULL;
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
645 char *port = NULL;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
646
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
647 userhostarg = m_strdup(orighostarg);
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
648
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
649 cli_opts.remotehost = strchr(userhostarg, '@');
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
650 if (cli_opts.remotehost == NULL) {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
651 /* 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
652 * local user's name */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
653 cli_opts.remotehost = userhostarg;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
654 } else {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
655 cli_opts.remotehost[0] = '\0'; /* Split the user/host */
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
656 cli_opts.remotehost++;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
657 cli_opts.username = userhostarg;
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
658 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
659
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
660 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
661 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
662 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
663
895
5608a5a61c2a Change port separator to ^ since % is used in ipv6 addresses
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
664 port = strchr(cli_opts.remotehost, '^');
783
34e69908b3f7 Use '#' for host#port separator, document it. This fixes scp
Matt Johnston <matt@ucc.asn.au>
parents: 776
diff changeset
665 if (!port) {
857
c19acba28590 use oldstyle comments
Matt Johnston <matt@ucc.asn.au>
parents: 852
diff changeset
666 /* legacy separator */
783
34e69908b3f7 Use '#' for host#port separator, document it. This fixes scp
Matt Johnston <matt@ucc.asn.au>
parents: 776
diff changeset
667 port = strchr(cli_opts.remotehost, '/');
34e69908b3f7 Use '#' for host#port separator, document it. This fixes scp
Matt Johnston <matt@ucc.asn.au>
parents: 776
diff changeset
668 }
489
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
669 if (port) {
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
670 *port = '\0';
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
671 cli_opts.remoteport = port+1;
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
672 }
79c657a673ec - Allow specifying a port with host/port.
Matt Johnston <matt@ucc.asn.au>
parents: 487
diff changeset
673
47
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
674 if (cli_opts.remotehost[0] == '\0') {
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
675 dropbear_exit("Bad hostname");
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
676 }
4b53a43f0082 - client pubkey auth works
Matt Johnston <matt@ucc.asn.au>
parents: 46
diff changeset
677 }
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
678
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
679 #if DROPBEAR_CLI_NETCAT
485
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
680 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
681 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
682
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
683 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
684
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
685 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
686 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
687 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
688 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
689 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
690 *portstr = '\0';
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
691 portstr++;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
692
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
693 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
694 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
695 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
696 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
697
492
b956d6151600 Replace calls to strtoul() with a helper m_str_to_uint()
Matt Johnston <matt@ucc.asn.au>
parents: 489
diff changeset
698 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
699 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
700 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
701 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
702
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
703 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
704 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
705 goto fail;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
706 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
707
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
708 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
709 return;
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
710
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
711 fail:
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
712 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
713 }
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
714 #endif
12d845ab7b5f Rework netcat-alike to be a proper mode, with -B argument.
Matt Johnston <matt@ucc.asn.au>
parents: 459
diff changeset
715
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
716 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
717 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
718 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
719
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
720 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
721
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
722 pw = getpwuid(uid);
961
a4032b946355 Be a bit safer in case pw_name doesn't exist
Matt Johnston <matt@ucc.asn.au>
parents: 958
diff changeset
723 if (pw && pw->pw_name != NULL) {
a4032b946355 Be a bit safer in case pw_name doesn't exist
Matt Johnston <matt@ucc.asn.au>
parents: 958
diff changeset
724 cli_opts.own_user = m_strdup(pw->pw_name);
a4032b946355 Be a bit safer in case pw_name doesn't exist
Matt Johnston <matt@ucc.asn.au>
parents: 958
diff changeset
725 } else {
958
1bf92da7a2a0 Try without identifying current user
iquaba <cooka2011@gmail.com>
parents: 946
diff changeset
726 dropbear_log(LOG_INFO, "Warning: failed to identify current user. Trying anyway.");
961
a4032b946355 Be a bit safer in case pw_name doesn't exist
Matt Johnston <matt@ucc.asn.au>
parents: 958
diff changeset
727 cli_opts.own_user = m_strdup("unknown");
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
728 }
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
729
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
730 }
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
731
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
732 #if DROPBEAR_CLI_ANYTCPFWD
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
733 /* 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
734 * 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
735 static void addforward(const char* origstr, m_list *fwdlist) {
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
736
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
737 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
738 char * listenaddr = NULL;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
739 char * listenport = NULL;
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
740 char * connectaddr = NULL;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
741 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
742 struct TCPFwdEntry* newfwd = NULL;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
743 char * str = NULL;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
744
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
745 TRACE(("enter addforward"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
746
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
747 /* 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
748 is never free()d. */
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
749 str = m_strdup(origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
750
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
751 part1 = str;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
752
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
753 part2 = strchr(str, ':');
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
754 if (part2 == NULL) {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
755 TRACE(("part2 == NULL"))
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
756 goto fail;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
757 }
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
758 *part2 = '\0';
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
759 part2++;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
760
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
761 part3 = strchr(part2, ':');
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
762 if (part3 == NULL) {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
763 TRACE(("part3 == NULL"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
764 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
765 }
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
766 *part3 = '\0';
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
767 part3++;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
768
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
769 part4 = strchr(part3, ':');
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
770 if (part4) {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
771 *part4 = '\0';
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
772 part4++;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
773 }
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
774
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
775 if (part4) {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
776 listenaddr = part1;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
777 listenport = part2;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
778 connectaddr = part3;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
779 connectport = part4;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
780 } else {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
781 listenaddr = NULL;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
782 listenport = part1;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
783 connectaddr = part2;
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
784 connectport = part3;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
785 }
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
786
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 546
diff changeset
787 newfwd = m_malloc(sizeof(struct TCPFwdEntry));
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
788
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
789 /* 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
790 * 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
791 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
792 TRACE(("bad listenport strtoul"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
793 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
794 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
795
492
b956d6151600 Replace calls to strtoul() with a helper m_str_to_uint()
Matt Johnston <matt@ucc.asn.au>
parents: 489
diff changeset
796 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
797 TRACE(("bad connectport strtoul"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
798 goto fail;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
799 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
800
578
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging.
Matt Johnston <matt@ucc.asn.au>
parents: 575
diff changeset
801 newfwd->listenaddr = listenaddr;
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
802 newfwd->connectaddr = connectaddr;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
803
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
804 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
805 TRACE(("listenport > 65535"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
806 goto badport;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
807 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
808
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
809 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
810 TRACE(("connectport > 65535"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
811 goto badport;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
812 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
813
505
805e557fdff7 Report errors if a remote request fails
Matt Johnston <matt@ucc.asn.au>
parents: 497
diff changeset
814 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
815 list_append(fwdlist, newfwd);
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
816
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
817 TRACE(("leave addforward: done"))
64
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
818 return;
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
819
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
820 fail:
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
821 dropbear_exit("Bad TCP forward '%s'", origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
822
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
823 badport:
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
824 dropbear_exit("Bad TCP port in '%s'", origstr);
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
825 }
efb5e0b335cf TCP forwarding works.
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
826 #endif
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
827
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
828 static int match_extendedopt(const char** strptr, const char *optname) {
1220
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
829 int seen_eq = 0;
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
830 int optlen = strlen(optname);
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
831 const char *str = *strptr;
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
832
1220
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
833 while (isspace(*str)) {
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
834 ++str;
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
835 }
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
836
1215
d058e15ea213 A few minor style fixes
Matt Johnston <matt@ucc.asn.au>
parents: 1213
diff changeset
837 if (strncasecmp(str, optname, optlen) != 0) {
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
838 return DROPBEAR_FAILURE;
1215
d058e15ea213 A few minor style fixes
Matt Johnston <matt@ucc.asn.au>
parents: 1213
diff changeset
839 }
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
840
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
841 str += optlen;
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
842
1220
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
843 while (isspace(*str) || (!seen_eq && *str == '=')) {
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
844 if (*str == '=') {
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
845 seen_eq = 1;
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
846 }
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
847 ++str;
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
848 }
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
849
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
850 if (str-*strptr == optlen) {
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
851 /* matched just a prefix of optname */
1218
b73c078e11e9 Don't allow spaces and don't get confused by -o usesyslogd=yes
Matt Johnston <matt@ucc.asn.au>
parents: 1217
diff changeset
852 return DROPBEAR_FAILURE;
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
853 }
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
854
1220
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
855 *strptr = str;
de2e39e94c68 revert removal of space handling, different fix for avoiding option prefix
Matt Johnston <matt@ucc.asn.au>
parents: 1218
diff changeset
856 return DROPBEAR_SUCCESS;
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
857 }
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
858
1215
d058e15ea213 A few minor style fixes
Matt Johnston <matt@ucc.asn.au>
parents: 1213
diff changeset
859 static int parse_flag_value(const char *value) {
d058e15ea213 A few minor style fixes
Matt Johnston <matt@ucc.asn.au>
parents: 1213
diff changeset
860 if (strcmp(value, "yes") == 0 || strcmp(value, "true") == 0) {
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
861 return 1;
1215
d058e15ea213 A few minor style fixes
Matt Johnston <matt@ucc.asn.au>
parents: 1213
diff changeset
862 } else if (strcmp(value, "no") == 0 || strcmp(value, "false") == 0) {
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
863 return 0;
1215
d058e15ea213 A few minor style fixes
Matt Johnston <matt@ucc.asn.au>
parents: 1213
diff changeset
864 }
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
865
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
866 dropbear_exit("Bad yes/no argument '%s'", value);
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
867 }
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
868
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
869 static void add_extendedopt(const char* origstr) {
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
870 const char *optstr = origstr;
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
871
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
872 if (strcmp(origstr, "help") == 0) {
1206
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
873 dropbear_log(LOG_INFO, "Available options:\n"
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
874 #if DROPBEAR_CLI_ANYTCPFWD
1206
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
875 "\tExitOnForwardFailure\n"
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
876 #endif
1212
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1210
diff changeset
877 #ifndef DISABLE_SYSLOG
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1210
diff changeset
878 "\tUseSyslog\n"
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1210
diff changeset
879 #endif
1206
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
880 );
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
881 exit(EXIT_SUCCESS);
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
882 }
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
883
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
884 #if DROPBEAR_CLI_ANYTCPFWD
1206
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
885 if (match_extendedopt(&optstr, "ExitOnForwardFailure") == DROPBEAR_SUCCESS) {
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
886 cli_opts.exit_on_fwd_failure = parse_flag_value(optstr);
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
887 return;
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
888 }
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
889 #endif
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1205
diff changeset
890
1212
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1210
diff changeset
891 #ifndef DISABLE_SYSLOG
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1210
diff changeset
892 if (match_extendedopt(&optstr, "UseSyslog") == DROPBEAR_SUCCESS) {
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1210
diff changeset
893 opts.usingsyslog = parse_flag_value(optstr);
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1210
diff changeset
894 return;
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1210
diff changeset
895 }
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1210
diff changeset
896 #endif
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1210
diff changeset
897
1217
980b7ea2c5ef unknown options should be non-fatal
Matt Johnston <matt@ucc.asn.au>
parents: 1215
diff changeset
898 dropbear_log(LOG_WARNING, "Ignoring unknown configuration option '%s'", origstr);
1205
978887222d29 Added OpenSSH-like -o command line option to dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1171
diff changeset
899 }