+/* $OpenBSD: authfd.h,v 1.37 2009/08/27 17:44:52 djm Exp $ */
+
/*
- *
- * authfd.h
- *
* Author: Tatu Ylonen <ylo@cs.hut.fi>
- *
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
- *
- * Created: Wed Mar 29 01:17:41 1995 ylo
- *
* 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".
*/
-/* RCSID("$Id$"); */
-
#ifndef AUTHFD_H
#define AUTHFD_H
-#include "buffer.h"
-
/* Messages for the authentication agent connection. */
#define SSH_AGENTC_REQUEST_RSA_IDENTITIES 1
#define SSH_AGENT_RSA_IDENTITIES_ANSWER 2
#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
+
+#define SSH_AGENT_CONSTRAIN_LIFETIME 1
+#define SSH_AGENT_CONSTRAIN_CONFIRM 2
+
+/* 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
+
typedef struct {
- int fd;
- Buffer packet;
- Buffer identities;
- int howmany;
-} AuthenticationConnection;
-/* Returns the number of the authentication fd, or -1 if there is none. */
-int ssh_get_authentication_socket();
-
-/* This should be called for any descriptor returned by
- ssh_get_authentication_socket(). Depending on the way the descriptor was
- obtained, this may close the descriptor. */
-void ssh_close_authentication_socket(int authfd);
-
-/* Opens and connects a private socket for communication with the
- authentication agent. Returns NULL if an error occurred and the
- connection could not be opened. The connection should be closed by
- the caller by calling ssh_close_authentication_connection(). */
-AuthenticationConnection *ssh_get_authentication_connection();
-
-/* Closes the connection to the authentication agent and frees any associated
- memory. */
-void ssh_close_authentication_connection(AuthenticationConnection * ac);
-
-/* Returns the first authentication identity held by the agent.
- Returns true if an identity is available, 0 otherwise.
- The caller must initialize the integers before the call, and free the
- comment after a successful call (before calling ssh_get_next_identity). */
-int
-ssh_get_first_identity(AuthenticationConnection * connection,
- BIGNUM * e, BIGNUM * n, char **comment);
-
-/* Returns the next authentication identity for the agent. Other functions
- can be called between this and ssh_get_first_identity or two calls of this
- function. This returns 0 if there are no more identities. The caller
- must free comment after a successful return. */
-int
-ssh_get_next_identity(AuthenticationConnection * connection,
- BIGNUM * e, BIGNUM * n, char **comment);
-
-/* Requests the agent to decrypt the given challenge. Returns true if
- the agent claims it was able to decrypt it. */
-int
-ssh_decrypt_challenge(AuthenticationConnection * auth,
- BIGNUM * e, BIGNUM * n, BIGNUM * challenge,
- unsigned char session_id[16],
- unsigned int response_type,
- unsigned char response[16]);
-
-/* Adds an identity to the authentication server. This call is not meant to
- be used by normal applications. This returns true if the identity
- was successfully added. */
- int ssh_add_identity(AuthenticationConnection * connection,
- RSA * key, const char *comment);
-
-/* Removes the identity from the authentication server. This call is
- not meant to be used by normal applications. This returns true if the
- identity was successfully added. */
- int ssh_remove_identity(AuthenticationConnection * connection,
- RSA * key);
-
-/* Removes all identities from the authentication agent. This call is not
- meant to be used by normal applications. This returns true if the
- operation was successful. */
- int ssh_remove_all_identities(AuthenticationConnection * connection);
-
-/* Closes the connection to the authentication agent. */
- void ssh_close_authentication(AuthenticationConnection * connection);
+ int fd;
+ Buffer identities;
+ int howmany;
+} AuthenticationConnection;
+
+int ssh_agent_present(void);
+int ssh_get_authentication_socket(void);
+void ssh_close_authentication_socket(int);
+
+AuthenticationConnection *ssh_get_authentication_connection(void);
+void ssh_close_authentication_connection(AuthenticationConnection *);
+int ssh_get_num_identities(AuthenticationConnection *, int);
+Key *ssh_get_first_identity(AuthenticationConnection *, char **, int);
+Key *ssh_get_next_identity(AuthenticationConnection *, char **, int);
+int ssh_add_identity_constrained(AuthenticationConnection *, Key *,
+ const char *, u_int, u_int);
+int ssh_remove_identity(AuthenticationConnection *, Key *);
+int ssh_remove_all_identities(AuthenticationConnection *, int);
+int ssh_lock_agent(AuthenticationConnection *, int, const char *);
+int ssh_update_card(AuthenticationConnection *, int, const char *,
+ const char *, u_int, u_int);
+
+int
+ssh_decrypt_challenge(AuthenticationConnection *, Key *, BIGNUM *, u_char[16],
+ u_int, u_char[16]);
+
+int
+ssh_agent_sign(AuthenticationConnection *, Key *, u_char **, u_int *, u_char *,
+ u_int);
#endif /* AUTHFD_H */
andersk / openssh.git / blobdiff