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markus@openbsd.org1b11ea72018-02-23 15:58:37 +00001/* $OpenBSD: authfd.h,v 1.43 2018/02/23 15:58:37 markus Exp $ */
Ben Lindstrom05764b92002-03-05 01:53:02 +00002
Damien Millerd4a8b7e1999-10-27 13:42:43 +10003/*
Damien Miller95def091999-11-25 00:26:21 +11004 * Author: Tatu Ylonen <ylo@cs.hut.fi>
Damien Miller95def091999-11-25 00:26:21 +11005 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6 * All rights reserved
Damien Miller95def091999-11-25 00:26:21 +11007 * Functions to interface with the SSH_AUTHENTICATION_FD socket.
Damien Miller4af51302000-04-16 11:18:38 +10008 *
Damien Millere4340be2000-09-16 13:29:08 +11009 * As far as I am concerned, the code I have written for this software
10 * can be used freely for any purpose. Any derived versions of this
11 * software must be clearly marked as such, and if the derived work is
12 * incompatible with the protocol description in the RFC file, it must be
13 * called by a name other than "ssh" or "Secure Shell".
Damien Miller95def091999-11-25 00:26:21 +110014 */
Damien Millerd4a8b7e1999-10-27 13:42:43 +100015
Damien Millerd4a8b7e1999-10-27 13:42:43 +100016#ifndef AUTHFD_H
17#define AUTHFD_H
18
djm@openbsd.org141efe42015-01-14 20:05:27 +000019/* List of identities returned by ssh_fetch_identitylist() */
20struct ssh_identitylist {
21 size_t nkeys;
22 struct sshkey **keys;
23 char **comments;
24};
25
26int ssh_get_authentication_socket(int *fdp);
27void ssh_close_authentication_socket(int sock);
28
29int ssh_lock_agent(int sock, int lock, const char *password);
naddy@openbsd.org3e371bd2017-05-05 10:42:49 +000030int ssh_fetch_identitylist(int sock, struct ssh_identitylist **idlp);
djm@openbsd.org141efe42015-01-14 20:05:27 +000031void ssh_free_identitylist(struct ssh_identitylist *idl);
djm@openbsd.orgd9e5cf02018-02-10 09:25:34 +000032int ssh_add_identity_constrained(int sock, const struct sshkey *key,
markus@openbsd.org1b11ea72018-02-23 15:58:37 +000033 const char *comment, u_int life, u_int confirm, u_int maxsign);
djm@openbsd.org141efe42015-01-14 20:05:27 +000034int ssh_remove_identity(int sock, struct sshkey *key);
35int ssh_update_card(int sock, int add, const char *reader_id,
36 const char *pin, u_int life, u_int confirm);
37int ssh_remove_all_identities(int sock, int version);
38
39int ssh_decrypt_challenge(int sock, struct sshkey* key, BIGNUM *challenge,
40 u_char session_id[16], u_char response[16]);
djm@openbsd.orga98339e2017-06-28 01:09:22 +000041int ssh_agent_sign(int sock, const struct sshkey *key,
djm@openbsd.org141efe42015-01-14 20:05:27 +000042 u_char **sigp, size_t *lenp,
markus@openbsd.org76c9fbb2015-12-04 16:41:28 +000043 const u_char *data, size_t datalen, const char *alg, u_int compat);
djm@openbsd.org141efe42015-01-14 20:05:27 +000044
Damien Millerd4a8b7e1999-10-27 13:42:43 +100045/* Messages for the authentication agent connection. */
46#define SSH_AGENTC_REQUEST_RSA_IDENTITIES 1
47#define SSH_AGENT_RSA_IDENTITIES_ANSWER 2
48#define SSH_AGENTC_RSA_CHALLENGE 3
49#define SSH_AGENT_RSA_RESPONSE 4
50#define SSH_AGENT_FAILURE 5
51#define SSH_AGENT_SUCCESS 6
52#define SSH_AGENTC_ADD_RSA_IDENTITY 7
53#define SSH_AGENTC_REMOVE_RSA_IDENTITY 8
54#define SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9
55
Damien Miller874d77b2000-10-14 16:23:11 +110056/* private OpenSSH extensions for SSH2 */
Damien Miller994cf142000-07-21 10:19:44 +100057#define SSH2_AGENTC_REQUEST_IDENTITIES 11
58#define SSH2_AGENT_IDENTITIES_ANSWER 12
59#define SSH2_AGENTC_SIGN_REQUEST 13
60#define SSH2_AGENT_SIGN_RESPONSE 14
Damien Miller994cf142000-07-21 10:19:44 +100061#define SSH2_AGENTC_ADD_IDENTITY 17
62#define SSH2_AGENTC_REMOVE_IDENTITY 18
63#define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19
64
Ben Lindstrom036a6b22001-07-04 03:50:02 +000065/* smartcard */
66#define SSH_AGENTC_ADD_SMARTCARD_KEY 20
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000067#define SSH_AGENTC_REMOVE_SMARTCARD_KEY 21
Ben Lindstrom036a6b22001-07-04 03:50:02 +000068
Ben Lindstrom2f717042002-06-06 21:52:03 +000069/* lock/unlock the agent */
70#define SSH_AGENTC_LOCK 22
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000071#define SSH_AGENTC_UNLOCK 23
Ben Lindstrom2f717042002-06-06 21:52:03 +000072
Ben Lindstrom2b266b72002-06-21 00:08:39 +000073/* add key with constraints */
74#define SSH_AGENTC_ADD_RSA_ID_CONSTRAINED 24
75#define SSH2_AGENTC_ADD_ID_CONSTRAINED 25
Damien Millerd94f20d2003-06-11 22:06:33 +100076#define SSH_AGENTC_ADD_SMARTCARD_KEY_CONSTRAINED 26
Ben Lindstrom4eb4c4e2002-06-21 00:04:48 +000077
Ben Lindstromc90f8a92002-06-21 00:06:54 +000078#define SSH_AGENT_CONSTRAIN_LIFETIME 1
Damien Miller6c711792003-01-24 11:36:23 +110079#define SSH_AGENT_CONSTRAIN_CONFIRM 2
markus@openbsd.org1b11ea72018-02-23 15:58:37 +000080#define SSH_AGENT_CONSTRAIN_MAXSIGN 3
Ben Lindstrom61d328a2002-06-06 21:54:57 +000081
Ben Lindstromc9a26362001-08-15 23:04:50 +000082/* extended failure messages */
83#define SSH2_AGENT_FAILURE 30
84
Damien Miller874d77b2000-10-14 16:23:11 +110085/* additional error code for ssh.com's ssh-agent2 */
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000086#define SSH_COM_AGENT2_FAILURE 102
Damien Miller874d77b2000-10-14 16:23:11 +110087
Damien Miller62cee002000-09-23 17:15:56 +110088#define SSH_AGENT_OLD_SIGNATURE 0x01
markus@openbsd.org76c9fbb2015-12-04 16:41:28 +000089#define SSH_AGENT_RSA_SHA2_256 0x02
90#define SSH_AGENT_RSA_SHA2_512 0x04
Damien Miller62cee002000-09-23 17:15:56 +110091
Damien Miller95def091999-11-25 00:26:21 +110092#endif /* AUTHFD_H */