1 /* $OpenBSD: authfd.h,v 1.23 2002/03/04 17:27:39 stevesk Exp $ */ 2 3 /* 4 * Author: Tatu Ylonen <ylo@cs.hut.fi> 5 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 6 * All rights reserved 7 * Functions to interface with the SSH_AUTHENTICATION_FD socket. 8 * 9 * 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". 14 */ 15 16 #ifndef AUTHFD_H 17 #define AUTHFD_H 18 19 #include "buffer.h" 20 21 /* Messages for the authentication agent connection. */ 22 #define SSH_AGENTC_REQUEST_RSA_IDENTITIES 1 23 #define SSH_AGENT_RSA_IDENTITIES_ANSWER 2 24 #define SSH_AGENTC_RSA_CHALLENGE 3 25 #define SSH_AGENT_RSA_RESPONSE 4 26 #define SSH_AGENT_FAILURE 5 27 #define SSH_AGENT_SUCCESS 6 28 #define SSH_AGENTC_ADD_RSA_IDENTITY 7 29 #define SSH_AGENTC_REMOVE_RSA_IDENTITY 8 30 #define SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 31 32 /* private OpenSSH extensions for SSH2 */ 33 #define SSH2_AGENTC_REQUEST_IDENTITIES 11 34 #define SSH2_AGENT_IDENTITIES_ANSWER 12 35 #define SSH2_AGENTC_SIGN_REQUEST 13 36 #define SSH2_AGENT_SIGN_RESPONSE 14 37 #define SSH2_AGENTC_ADD_IDENTITY 17 38 #define SSH2_AGENTC_REMOVE_IDENTITY 18 39 #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19 40 41 /* smartcard */ 42 #define SSH_AGENTC_ADD_SMARTCARD_KEY 20 43 #define SSH_AGENTC_REMOVE_SMARTCARD_KEY 21 44 45 /* extended failure messages */ 46 #define SSH2_AGENT_FAILURE 30 47 48 /* additional error code for ssh.com's ssh-agent2 */ 49 #define SSH_COM_AGENT2_FAILURE 102 50 51 #define SSH_AGENT_OLD_SIGNATURE 0x01 52 53 typedef struct { 54 int fd; 55 Buffer identities; 56 int howmany; 57 } AuthenticationConnection; 58 59 int ssh_get_authentication_socket(void); 60 void ssh_close_authentication_socket(int); 61 62 AuthenticationConnection *ssh_get_authentication_connection(void); 63 void ssh_close_authentication_connection(AuthenticationConnection *); 64 int ssh_get_num_identities(AuthenticationConnection *, int); 65 Key *ssh_get_first_identity(AuthenticationConnection *, char **, int); 66 Key *ssh_get_next_identity(AuthenticationConnection *, char **, int); 67 int ssh_add_identity(AuthenticationConnection *, Key *, const char *); 68 int ssh_remove_identity(AuthenticationConnection *, Key *); 69 int ssh_remove_all_identities(AuthenticationConnection *, int); 70 int ssh_update_card(AuthenticationConnection *, int, const char *); 71 72 int 73 ssh_decrypt_challenge(AuthenticationConnection *, Key *, BIGNUM *, u_char[16], 74 u_int, u_char[16]); 75 76 int 77 ssh_agent_sign(AuthenticationConnection *, Key *, u_char **, u_int *, u_char *, 78 u_int); 79 80 #endif /* AUTHFD_H */ 81