Mercurial > dropbear

annotate agentfwd.h @ 1934:83b6a47759a8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add m_snprintf() that won't return negative
author Matt Johnston <matt@ucc.asn.au>
date Fri, 01 Apr 2022 12:10:48 +0800
parents a53e7d2d60be
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 /*
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
2 * Dropbear - a SSH2 server
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
3 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
4 * Copyright (c) 2002,2003 Matt Johnston
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
5 * All rights reserved.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
6 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
8 * of this software and associated documentation files (the "Software"), to deal
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
9 * in the Software without restriction, including without limitation the rights
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
11 * copies of the Software, and to permit persons to whom the Software is
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
12 * furnished to do so, subject to the following conditions:
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
13 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
14 * The above copyright notice and this permission notice shall be included in
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
15 * all copies or substantial portions of the Software.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
23 * SOFTWARE. */
1036
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
Thorsten Horstmann <thorsten.horstmann@web.de>
parents: 760
diff changeset
24 #ifndef DROPBEAR_AGENTFWD_H_
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
Thorsten Horstmann <thorsten.horstmann@web.de>
parents: 760
diff changeset
25 #define DROPBEAR_AGENTFWD_H_
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
26
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
27 #include "includes.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
28 #include "chansession.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
29 #include "channel.h"
547
cf376c696dfc Make it compile, update for changes in channel structure.
Matt Johnston <matt@ucc.asn.au>
parents: 225
diff changeset
30 #include "auth.h"
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 550
diff changeset
31 #include "list.h"
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
32
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1036
diff changeset
33 #if DROPBEAR_CLI_AGENTFWD
668
405418f7dc5e Fixed compilation with unset ENABLE_{SVR,CLI}_AGENTFWD.
Andrey Mazo <ahippo@yandex.ru>
parents: 560
diff changeset
34
1682
a53e7d2d60be rsa-sha256 for ssh-agent
Matt Johnston <matt@ucc.asn.au>
parents: 1459
diff changeset
35 /* From OpenSSH authfd.h */
a53e7d2d60be rsa-sha256 for ssh-agent
Matt Johnston <matt@ucc.asn.au>
parents: 1459
diff changeset
36 #define SSH_AGENT_RSA_SHA2_256 0x02
a53e7d2d60be rsa-sha256 for ssh-agent
Matt Johnston <matt@ucc.asn.au>
parents: 1459
diff changeset
37
225
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 11
diff changeset
38 /* An agent reply can be reasonably large, as it can
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 11
diff changeset
39 * contain a list of all public keys held by the agent.
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 11
diff changeset
40 * 10000 is arbitrary */
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 11
diff changeset
41 #define MAX_AGENT_REPLY 10000
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 11
diff changeset
42
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 550
diff changeset
43 /* client functions */
560
52d7301e46bd Agent forwarding works
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
44 void cli_load_agent_keys(m_list * ret_list);
551
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList
Matt Johnston <matt@ucc.asn.au>
parents: 550
diff changeset
45 void agent_buf_sign(buffer *sigblob, sign_key *key,
1682
a53e7d2d60be rsa-sha256 for ssh-agent
Matt Johnston <matt@ucc.asn.au>
parents: 1459
diff changeset
46 const buffer *data_buf, enum signature_type type);
1459
06d52bcb8094 Pointer parameter could be declared as pointing to const
Francois Perrad <francois.perrad@gadz.org>
parents: 1295
diff changeset
47 void cli_setup_agent(const struct Channel *channel);
560
52d7301e46bd Agent forwarding works
Matt Johnston <matt@ucc.asn.au>
parents: 551
diff changeset
48
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
49 #ifdef __hpux
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
50 #define seteuid(a) setresuid(-1, (a), -1)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
51 #define setegid(a) setresgid(-1, (a), -1)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
52 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
53
547
cf376c696dfc Make it compile, update for changes in channel structure.
Matt Johnston <matt@ucc.asn.au>
parents: 225
diff changeset
54 extern const struct ChanType cli_chan_agent;
225
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 11
diff changeset
55
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1036
diff changeset
56 #endif /* DROPBEAR_CLI_AGENTFWD */
668
405418f7dc5e Fixed compilation with unset ENABLE_{SVR,CLI}_AGENTFWD.
Andrey Mazo <ahippo@yandex.ru>
parents: 560
diff changeset
57
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1036
diff changeset
58 #if DROPBEAR_SVR_AGENTFWD
668
405418f7dc5e Fixed compilation with unset ENABLE_{SVR,CLI}_AGENTFWD.
Andrey Mazo <ahippo@yandex.ru>
parents: 560
diff changeset
59
405418f7dc5e Fixed compilation with unset ENABLE_{SVR,CLI}_AGENTFWD.
Andrey Mazo <ahippo@yandex.ru>
parents: 560
diff changeset
60 int svr_agentreq(struct ChanSess * chansess);
405418f7dc5e Fixed compilation with unset ENABLE_{SVR,CLI}_AGENTFWD.
Andrey Mazo <ahippo@yandex.ru>
parents: 560
diff changeset
61 void svr_agentcleanup(struct ChanSess * chansess);
1459
06d52bcb8094 Pointer parameter could be declared as pointing to const
Francois Perrad <francois.perrad@gadz.org>
parents: 1295
diff changeset
62 void svr_agentset(const struct ChanSess *chansess);
668
405418f7dc5e Fixed compilation with unset ENABLE_{SVR,CLI}_AGENTFWD.
Andrey Mazo <ahippo@yandex.ru>
parents: 560
diff changeset
63
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1036
diff changeset
64 #endif /* DROPBEAR_SVR_AGENTFWD */
668
405418f7dc5e Fixed compilation with unset ENABLE_{SVR,CLI}_AGENTFWD.
Andrey Mazo <ahippo@yandex.ru>
parents: 560
diff changeset
65
1036
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
Thorsten Horstmann <thorsten.horstmann@web.de>
parents: 760
diff changeset
66 #endif /* DROPBEAR_AGENTFWD_H_ */