mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-12-18 16:14:34 +00:00
4448a2938a
Adds a protocol extension to allow grafting certificates supplied by ssh-add to keys loaded from PKCS#11 tokens in the agent. feedback/ok markus@ OpenBSD-Commit-ID: bb5433cd28ede2bc910996eb3c0b53e20f86037f
123 lines
4.1 KiB
C
123 lines
4.1 KiB
C
/* $OpenBSD: authfd.h,v 1.52 2023/12/18 14:46:56 djm Exp $ */
|
|
|
|
/*
|
|
* Author: Tatu Ylonen <ylo@cs.hut.fi>
|
|
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
|
|
* All rights reserved
|
|
* Functions to interface with the SSH_AUTHENTICATION_FD socket.
|
|
*
|
|
* As far as I am concerned, the code I have written for this software
|
|
* can be used freely for any purpose. Any derived versions of this
|
|
* software must be clearly marked as such, and if the derived work is
|
|
* incompatible with the protocol description in the RFC file, it must be
|
|
* called by a name other than "ssh" or "Secure Shell".
|
|
*/
|
|
|
|
#ifndef AUTHFD_H
|
|
#define AUTHFD_H
|
|
|
|
struct sshbuf;
|
|
struct sshkey;
|
|
|
|
/* List of identities returned by ssh_fetch_identitylist() */
|
|
struct ssh_identitylist {
|
|
size_t nkeys;
|
|
struct sshkey **keys;
|
|
char **comments;
|
|
};
|
|
|
|
/* Key destination restrictions */
|
|
struct dest_constraint_hop {
|
|
char *user; /* wildcards allowed */
|
|
char *hostname; /* used to matching cert principals and for display */
|
|
int is_ca;
|
|
u_int nkeys; /* number of entries in *both* 'keys' and 'key_is_ca' */
|
|
struct sshkey **keys;
|
|
int *key_is_ca;
|
|
};
|
|
struct dest_constraint {
|
|
struct dest_constraint_hop from;
|
|
struct dest_constraint_hop to;
|
|
};
|
|
|
|
int ssh_get_authentication_socket(int *fdp);
|
|
int ssh_get_authentication_socket_path(const char *authsocket, int *fdp);
|
|
void ssh_close_authentication_socket(int sock);
|
|
|
|
int ssh_lock_agent(int sock, int lock, const char *password);
|
|
int ssh_fetch_identitylist(int sock, struct ssh_identitylist **idlp);
|
|
void ssh_free_identitylist(struct ssh_identitylist *idl);
|
|
int ssh_add_identity_constrained(int sock, struct sshkey *key,
|
|
const char *comment, u_int life, u_int confirm, u_int maxsign,
|
|
const char *provider, struct dest_constraint **dest_constraints,
|
|
size_t ndest_constraints);
|
|
int ssh_agent_has_key(int sock, const struct sshkey *key);
|
|
int ssh_remove_identity(int sock, const struct sshkey *key);
|
|
int ssh_update_card(int sock, int add, const char *reader_id,
|
|
const char *pin, u_int life, u_int confirm,
|
|
struct dest_constraint **dest_constraints,
|
|
size_t ndest_constraints,
|
|
int cert_only, struct sshkey **certs, size_t ncerts);
|
|
int ssh_remove_all_identities(int sock, int version);
|
|
|
|
int ssh_agent_sign(int sock, const struct sshkey *key,
|
|
u_char **sigp, size_t *lenp,
|
|
const u_char *data, size_t datalen, const char *alg, u_int compat);
|
|
|
|
int ssh_agent_bind_hostkey(int sock, const struct sshkey *key,
|
|
const struct sshbuf *session_id, const struct sshbuf *signature,
|
|
int forwarding);
|
|
|
|
/* Messages for the authentication agent connection. */
|
|
#define SSH_AGENTC_REQUEST_RSA_IDENTITIES 1
|
|
#define SSH_AGENT_RSA_IDENTITIES_ANSWER 2
|
|
#define SSH_AGENTC_RSA_CHALLENGE 3
|
|
#define SSH_AGENT_RSA_RESPONSE 4
|
|
#define SSH_AGENT_FAILURE 5
|
|
#define SSH_AGENT_SUCCESS 6
|
|
#define SSH_AGENTC_ADD_RSA_IDENTITY 7
|
|
#define SSH_AGENTC_REMOVE_RSA_IDENTITY 8
|
|
#define SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9
|
|
|
|
/* private OpenSSH extensions for SSH2 */
|
|
#define SSH2_AGENTC_REQUEST_IDENTITIES 11
|
|
#define SSH2_AGENT_IDENTITIES_ANSWER 12
|
|
#define SSH2_AGENTC_SIGN_REQUEST 13
|
|
#define SSH2_AGENT_SIGN_RESPONSE 14
|
|
#define SSH2_AGENTC_ADD_IDENTITY 17
|
|
#define SSH2_AGENTC_REMOVE_IDENTITY 18
|
|
#define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19
|
|
|
|
/* smartcard */
|
|
#define SSH_AGENTC_ADD_SMARTCARD_KEY 20
|
|
#define SSH_AGENTC_REMOVE_SMARTCARD_KEY 21
|
|
|
|
/* lock/unlock the agent */
|
|
#define SSH_AGENTC_LOCK 22
|
|
#define SSH_AGENTC_UNLOCK 23
|
|
|
|
/* add key with constraints */
|
|
#define SSH_AGENTC_ADD_RSA_ID_CONSTRAINED 24
|
|
#define SSH2_AGENTC_ADD_ID_CONSTRAINED 25
|
|
#define SSH_AGENTC_ADD_SMARTCARD_KEY_CONSTRAINED 26
|
|
|
|
/* generic extension mechanism */
|
|
#define SSH_AGENTC_EXTENSION 27
|
|
|
|
#define SSH_AGENT_CONSTRAIN_LIFETIME 1
|
|
#define SSH_AGENT_CONSTRAIN_CONFIRM 2
|
|
#define SSH_AGENT_CONSTRAIN_MAXSIGN 3
|
|
#define SSH_AGENT_CONSTRAIN_EXTENSION 255
|
|
|
|
/* extended failure messages */
|
|
#define SSH2_AGENT_FAILURE 30
|
|
|
|
/* additional error code for ssh.com's ssh-agent2 */
|
|
#define SSH_COM_AGENT2_FAILURE 102
|
|
|
|
#define SSH_AGENT_OLD_SIGNATURE 0x01
|
|
#define SSH_AGENT_RSA_SHA2_256 0x02
|
|
#define SSH_AGENT_RSA_SHA2_512 0x04
|
|
|
|
#endif /* AUTHFD_H */
|