annotate cli-main.c @ 1326:79225928bf59

initialize variable
author Francois Perrad <francois.perrad@gadz.org>
date Fri, 01 Jan 2016 11:46:58 +0100
parents 2c9dac2d6707
children 58a74cb829b8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
74
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
1 /*
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
2 * Dropbear - a SSH2 server
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
3 * SSH client implementation
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
4 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
5 * Copyright (c) 2002,2003 Matt Johnston
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
6 * Copyright (c) 2004 by Mihnea Stoenescu
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
7 * All rights reserved.
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
8 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
10 * of this software and associated documentation files (the "Software"), to deal
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
11 * in the Software without restriction, including without limitation the rights
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
13 * copies of the Software, and to permit persons to whom the Software is
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
14 * furnished to do so, subject to the following conditions:
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
15 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
16 * The above copyright notice and this permission notice shall be included in
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
17 * all copies or substantial portions of the Software.
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
18 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
25 * SOFTWARE. */
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
26
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
27 #include "includes.h"
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
28 #include "dbutil.h"
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
29 #include "runopts.h"
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
30 #include "session.h"
858
220f55d540ae rename random.h to dbrandom.h since some OSes have a system random.h
Matt Johnston <matt@ucc.asn.au>
parents: 857
diff changeset
31 #include "dbrandom.h"
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 614
diff changeset
32 #include "crypto_desc.h"
1032
0da8ba489c23 Move generic network routines to netio.c
Matt Johnston <matt@ucc.asn.au>
parents: 1027
diff changeset
33 #include "netio.h"
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
34
614
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 594
diff changeset
35 static void cli_dropbear_exit(int exitcode, const char* format, va_list param) ATTRIB_NORETURN;
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
36 static void cli_dropbear_log(int priority, const char* format, va_list param);
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
37
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
38 #if DROPBEAR_CLI_PROXYCMD
1208
fb58cf341951 Client: kill proxy command when exiting application.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1065
diff changeset
39 static void cli_proxy_cmd(int *sock_in, int *sock_out, pid_t *pid_out);
1216
3daff2072bd0 rename killchild to kill_proxy_sighandler
Matt Johnston <matt@ucc.asn.au>
parents: 1215
diff changeset
40 static void kill_proxy_sighandler(int signo);
542
c9128994a2d6 Wrap proxycmd function in ENABLE_CLI_PROXYCMD #ifdef
Matt Johnston <matt@ucc.asn.au>
parents: 484
diff changeset
41 #endif
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
42
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
43 #if defined(DBMULTI_dbclient) || !DROPBEAR_MULTI
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
44 #if defined(DBMULTI_dbclient) && DROPBEAR_MULTI
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
45 int cli_main(int argc, char ** argv) {
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
46 #else
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
47 int main(int argc, char ** argv) {
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
48 #endif
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
49
479
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 425
diff changeset
50 int sock_in, sock_out;
1027
daf21fd50abf In theory TFO should work. Needs platform cleanup and testing
Matt Johnston <matt@ucc.asn.au>
parents: 1025
diff changeset
51 struct dropbear_progress_connection *progress = NULL;
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
52
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
53 _dropbear_exit = cli_dropbear_exit;
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
54 _dropbear_log = cli_dropbear_log;
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
55
425
1afa503e33f5 Disable core dumps
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
56 disallow_core();
1afa503e33f5 Disable core dumps
Matt Johnston <matt@ucc.asn.au>
parents: 165
diff changeset
57
795
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 614
diff changeset
58 seedrandom();
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 614
diff changeset
59 crypto_init();
7f604f9b3756 ecdsa is working
Matt Johnston <matt@ucc.asn.au>
parents: 614
diff changeset
60
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
61 cli_getopts(argc, argv);
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
62
1212
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
63 #ifndef DISABLE_SYSLOG
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
64 if (opts.usingsyslog) {
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
65 startsyslog("dbclient");
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
66 }
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
67 #endif
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
68
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
69 TRACE(("user='%s' host='%s' port='%s'", cli_opts.username,
165
0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place
Matt Johnston <matt@ucc.asn.au>
parents: 109
diff changeset
70 cli_opts.remotehost, cli_opts.remoteport))
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
71
109
2e9d1f29c50f merge of 50be59810e462f9f44f55e421227d6aa0b31982b
Matt Johnston <matt@ucc.asn.au>
parents: 108
diff changeset
72 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) {
2e9d1f29c50f merge of 50be59810e462f9f44f55e421227d6aa0b31982b
Matt Johnston <matt@ucc.asn.au>
parents: 108
diff changeset
73 dropbear_exit("signal() error");
2e9d1f29c50f merge of 50be59810e462f9f44f55e421227d6aa0b31982b
Matt Johnston <matt@ucc.asn.au>
parents: 108
diff changeset
74 }
2e9d1f29c50f merge of 50be59810e462f9f44f55e421227d6aa0b31982b
Matt Johnston <matt@ucc.asn.au>
parents: 108
diff changeset
75
1208
fb58cf341951 Client: kill proxy command when exiting application.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1065
diff changeset
76 pid_t proxy_cmd_pid = 0;
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
77 #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
78 if (cli_opts.proxycmd) {
1208
fb58cf341951 Client: kill proxy command when exiting application.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1065
diff changeset
79 cli_proxy_cmd(&sock_in, &sock_out, &proxy_cmd_pid);
544
9e51707cd6f2 - Make -i and -W pass through multihop arguments
Matt Johnston <matt@ucc.asn.au>
parents: 542
diff changeset
80 m_free(cli_opts.proxycmd);
1216
3daff2072bd0 rename killchild to kill_proxy_sighandler
Matt Johnston <matt@ucc.asn.au>
parents: 1215
diff changeset
81 if (signal(SIGINT, kill_proxy_sighandler) == SIG_ERR ||
3daff2072bd0 rename killchild to kill_proxy_sighandler
Matt Johnston <matt@ucc.asn.au>
parents: 1215
diff changeset
82 signal(SIGTERM, kill_proxy_sighandler) == SIG_ERR ||
3daff2072bd0 rename killchild to kill_proxy_sighandler
Matt Johnston <matt@ucc.asn.au>
parents: 1215
diff changeset
83 signal(SIGHUP, kill_proxy_sighandler) == SIG_ERR) {
1208
fb58cf341951 Client: kill proxy command when exiting application.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1065
diff changeset
84 dropbear_exit("signal() error");
fb58cf341951 Client: kill proxy command when exiting application.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1065
diff changeset
85 }
479
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 425
diff changeset
86 } else
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 425
diff changeset
87 #endif
e3db1f7a2e43 - Split main socket var into ses.sock_in/ses.sock_out in preparation
Matt Johnston <matt@ucc.asn.au>
parents: 425
diff changeset
88 {
1032
0da8ba489c23 Move generic network routines to netio.c
Matt Johnston <matt@ucc.asn.au>
parents: 1027
diff changeset
89 progress = connect_remote(cli_opts.remotehost, cli_opts.remoteport, cli_connected, &ses);
1025
02baa0b334e8 async connections working
Matt Johnston <matt@ucc.asn.au>
parents: 1022
diff changeset
90 sock_in = sock_out = -1;
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
91 }
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
92
1208
fb58cf341951 Client: kill proxy command when exiting application.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1065
diff changeset
93 cli_session(sock_in, sock_out, progress, proxy_cmd_pid);
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
94
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
95 /* not reached */
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
96 return -1;
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
97 }
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
98 #endif /* DBMULTI stuff */
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
99
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
100 static void cli_dropbear_exit(int exitcode, const char* format, va_list param) {
1304
b66a483f3dcb Improve exit message formatting
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
101 char exitmsg[150];
b66a483f3dcb Improve exit message formatting
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
102 char fullmsg[300];
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
103
1304
b66a483f3dcb Improve exit message formatting
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
104 /* Note that exit message must be rendered before session cleanup */
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
105
1304
b66a483f3dcb Improve exit message formatting
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
106 /* Render the formatted exit message */
b66a483f3dcb Improve exit message formatting
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
107 vsnprintf(exitmsg, sizeof(exitmsg), format, param);
b66a483f3dcb Improve exit message formatting
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
108
b66a483f3dcb Improve exit message formatting
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
109 /* Add the prefix depending on session/auth state */
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
110 if (!sessinitdone) {
1304
b66a483f3dcb Improve exit message formatting
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
111 snprintf(fullmsg, sizeof(fullmsg), "Exited: %s", exitmsg);
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
112 } else {
1304
b66a483f3dcb Improve exit message formatting
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
113 snprintf(fullmsg, sizeof(fullmsg),
594
a98a2138364a Improve capitalisation for all logged strings
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
114 "Connection to %s@%s:%s exited: %s",
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
115 cli_opts.username, cli_opts.remotehost,
1304
b66a483f3dcb Improve exit message formatting
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
116 cli_opts.remoteport, exitmsg);
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
117 }
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
118
40
b4874d772210 - Added terminal mode handling etc for the client, and window change
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
119 /* Do the cleanup first, since then the terminal will be reset */
733
70811267715c Run the cleanup handler also when we close due to TCP connection being closed
Matt Johnston <matt@ucc.asn.au>
parents: 614
diff changeset
120 session_cleanup();
938
c88dce72f6d2 Make sure client exit messages don't get lost
Matt Johnston <matt@ucc.asn.au>
parents: 871
diff changeset
121 /* Avoid printing onwards from terminal cruft */
c88dce72f6d2 Make sure client exit messages don't get lost
Matt Johnston <matt@ucc.asn.au>
parents: 871
diff changeset
122 fprintf(stderr, "\n");
40
b4874d772210 - Added terminal mode handling etc for the client, and window change
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
123
1304
b66a483f3dcb Improve exit message formatting
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
124 dropbear_log(LOG_INFO, "%s", fullmsg);
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
125 exit(exitcode);
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
126 }
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
127
1212
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
128 static void cli_dropbear_log(int priority,
108
10f4d3319780 - added circular buffering for channels
Matt Johnston <matt@ucc.asn.au>
parents: 74
diff changeset
129 const char* format, va_list param) {
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
130
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
131 char printbuf[1024];
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
132
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
133 vsnprintf(printbuf, sizeof(printbuf), format, param);
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
134
1212
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
135 #ifndef DISABLE_SYSLOG
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
136 if (opts.usingsyslog) {
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
137 syslog(priority, "%s", printbuf);
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
138 }
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
139 #endif
bf626d259eb1 Support syslog logging in dbclient.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1208
diff changeset
140
40
b4874d772210 - Added terminal mode handling etc for the client, and window change
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
141 fprintf(stderr, "%s: %s\n", cli_opts.progname, printbuf);
938
c88dce72f6d2 Make sure client exit messages don't get lost
Matt Johnston <matt@ucc.asn.au>
parents: 871
diff changeset
142 fflush(stderr);
33
f789045062e6 Progressing client support
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
143 }
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
144
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
145 static void exec_proxy_cmd(void *user_data_cmd) {
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
146 const char *cmd = user_data_cmd;
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
147 char *usershell;
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
148
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
149 usershell = m_strdup(get_user_shell());
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
150 run_shell_command(cmd, ses.maxfd, usershell);
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
151 dropbear_exit("Failed to run '%s'\n", cmd);
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
152 }
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
153
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
154 #if DROPBEAR_CLI_PROXYCMD
1208
fb58cf341951 Client: kill proxy command when exiting application.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1065
diff changeset
155 static void cli_proxy_cmd(int *sock_in, int *sock_out, pid_t *pid_out) {
1221
f7d565054e5f use exec for proxycommand
Matt Johnston <matt@ucc.asn.au>
parents: 1216
diff changeset
156 char * ex_cmd = NULL;
f7d565054e5f use exec for proxycommand
Matt Johnston <matt@ucc.asn.au>
parents: 1216
diff changeset
157 size_t ex_cmdlen;
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
158 int ret;
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
159
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
160 fill_passwd(cli_opts.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
161
1221
f7d565054e5f use exec for proxycommand
Matt Johnston <matt@ucc.asn.au>
parents: 1216
diff changeset
162 ex_cmdlen = strlen(cli_opts.proxycmd) + 6; /* "exec " + command + '\0' */
f7d565054e5f use exec for proxycommand
Matt Johnston <matt@ucc.asn.au>
parents: 1216
diff changeset
163 ex_cmd = m_malloc(ex_cmdlen);
f7d565054e5f use exec for proxycommand
Matt Johnston <matt@ucc.asn.au>
parents: 1216
diff changeset
164 snprintf(ex_cmd, ex_cmdlen, "exec %s", cli_opts.proxycmd);
f7d565054e5f use exec for proxycommand
Matt Johnston <matt@ucc.asn.au>
parents: 1216
diff changeset
165
f7d565054e5f use exec for proxycommand
Matt Johnston <matt@ucc.asn.au>
parents: 1216
diff changeset
166 ret = spawn_command(exec_proxy_cmd, ex_cmd,
1208
fb58cf341951 Client: kill proxy command when exiting application.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1065
diff changeset
167 sock_out, sock_in, NULL, pid_out);
1221
f7d565054e5f use exec for proxycommand
Matt Johnston <matt@ucc.asn.au>
parents: 1216
diff changeset
168 m_free(ex_cmd);
483
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
169 if (ret == DROPBEAR_FAILURE) {
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
170 dropbear_exit("Failed running proxy command");
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
171 *sock_in = *sock_out = -1;
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
172 }
738313e73b1c - "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
Matt Johnston <matt@ucc.asn.au>
parents: 479
diff changeset
173 }
1208
fb58cf341951 Client: kill proxy command when exiting application.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1065
diff changeset
174
1216
3daff2072bd0 rename killchild to kill_proxy_sighandler
Matt Johnston <matt@ucc.asn.au>
parents: 1215
diff changeset
175 static void kill_proxy_sighandler(int UNUSED(signo)) {
1208
fb58cf341951 Client: kill proxy command when exiting application.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1065
diff changeset
176 kill_proxy_command();
1216
3daff2072bd0 rename killchild to kill_proxy_sighandler
Matt Johnston <matt@ucc.asn.au>
parents: 1215
diff changeset
177 _exit(1);
1208
fb58cf341951 Client: kill proxy command when exiting application.
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1065
diff changeset
178 }
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1221
diff changeset
179 #endif /* DROPBEAR_CLI_PROXYCMD */