/*
- *
- * 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("$Id$"); */
+/* RCSID("$OpenBSD: authfd.h,v 1.16 2000/12/20 19:37:21 markus Exp $"); */
#ifndef AUTHFD_H
#define AUTHFD_H
#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
+
+/* 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();
+int ssh_get_authentication_socket(void);
-/* 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. */
+/*
+ * 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);
+/*
+ * 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(void);
+
+/*
+ * Closes the connection to the authentication agent and frees any associated
+ * memory.
+ */
+void ssh_close_authentication_connection(AuthenticationConnection *auth);
+
+/*
+ * Returns the number authentication identity held by the agent.
+ */
+int ssh_get_num_identities(AuthenticationConnection *auth, int version);
+
+/*
+ * Returns the first authentication identity held by the agent or NULL if
+ * no identies are available. Caller must free comment and key.
+ * Note that you cannot mix calls with different versions.
+ */
+Key *ssh_get_first_identity(AuthenticationConnection *auth, char **comment, int version);
+
+/*
+ * 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 NULL if there are no more identities. The caller
+ * must free key and comment after a successful return.
+ */
+Key *ssh_get_next_identity(AuthenticationConnection *auth, char **comment, int version);
+
+/*
+ * 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,
+ Key *key, BIGNUM * challenge,
+ u_char session_id[16],
+ u_int response_type,
+ u_char response[16]);
+
+/* Requests the agent to sign data using key */
+int
+ssh_agent_sign(AuthenticationConnection *auth,
+ Key *key,
+ u_char **sigp, int *lenp,
+ u_char *data, int datalen);
+
+/*
+ * 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 *auth, Key *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 *auth, Key *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 *auth, int version);
#endif /* AUTHFD_H */
andersk / openssh.git / blobdiff