X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/188adeb23a3cbd4165c39be879a95161f7e16807..ca24b5507e1129858ef7c87a4549f0e44237a7b1:/authfd.h diff --git a/authfd.h b/authfd.h index 808575cd..2582a27a 100644 --- a/authfd.h +++ b/authfd.h @@ -1,3 +1,5 @@ +/* $OpenBSD: authfd.h,v 1.37 2009/08/27 17:44:52 djm Exp $ */ + /* * Author: Tatu Ylonen * Copyright (c) 1995 Tatu Ylonen , Espoo, Finland @@ -11,13 +13,9 @@ * called by a name other than "ssh" or "Secure Shell". */ -/* RCSID("$OpenBSD: authfd.h,v 1.12 2000/09/21 11:07:51 markus Exp $"); */ - #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 @@ -29,6 +27,7 @@ #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 @@ -37,93 +36,59 @@ #define SSH2_AGENTC_REMOVE_IDENTITY 18 #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19 -#define SSH_AGENT_OLD_SIGNATURE 0x01 +/* 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 -typedef struct { - int fd; - Buffer identities; - int howmany; -} AuthenticationConnection; +/* 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 -/* Returns the number of the authentication fd, or -1 if there is none. */ -int ssh_get_authentication_socket(); +#define SSH_AGENT_CONSTRAIN_LIFETIME 1 +#define SSH_AGENT_CONSTRAIN_CONFIRM 2 -/* - * 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); +/* extended failure messages */ +#define SSH2_AGENT_FAILURE 30 -/* - * 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 *auth); - -/* - * 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); +/* additional error code for ssh.com's ssh-agent2 */ +#define SSH_COM_AGENT2_FAILURE 102 -/* - * 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); +#define SSH_AGENT_OLD_SIGNATURE 0x01 -/* - * 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, - unsigned char session_id[16], - unsigned int response_type, - unsigned char response[16]); +typedef struct { + 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); -/* Requests the agent to sign data using key */ int -ssh_agent_sign(AuthenticationConnection *auth, - Key *key, - unsigned char **sigp, int *lenp, - unsigned char *data, int datalen); +ssh_decrypt_challenge(AuthenticationConnection *, Key *, BIGNUM *, u_char[16], + u_int, u_char[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 *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); +ssh_agent_sign(AuthenticationConnection *, Key *, u_char **, u_int *, u_char *, + u_int); #endif /* AUTHFD_H */