1 /* $NetBSD: authfd.h,v 1.7 2016/12/25 00:07:46 christos Exp $ */ 2 /* $OpenBSD: authfd.h,v 1.39 2015/12/04 16:41:28 markus Exp $ */ 3 4 /* 5 * Author: Tatu Ylonen <ylo@cs.hut.fi> 6 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland 7 * All rights reserved 8 * Functions to interface with the SSH_AUTHENTICATION_FD socket. 9 * 10 * As far as I am concerned, the code I have written for this software 11 * can be used freely for any purpose. Any derived versions of this 12 * software must be clearly marked as such, and if the derived work is 13 * incompatible with the protocol description in the RFC file, it must be 14 * called by a name other than "ssh" or "Secure Shell". 15 */ 16 17 #ifndef AUTHFD_H 18 #define AUTHFD_H 19 20 /* List of identities returned by ssh_fetch_identitylist() */ 21 struct ssh_identitylist { 22 size_t nkeys; 23 struct sshkey **keys; 24 char **comments; 25 }; 26 27 int ssh_get_authentication_socket(int *fdp); 28 void ssh_close_authentication_socket(int sock); 29 30 int ssh_lock_agent(int sock, int lock, const char *password); 31 int ssh_fetch_identitylist(int sock, int version, 32 struct ssh_identitylist **idlp); 33 void ssh_free_identitylist(struct ssh_identitylist *idl); 34 int ssh_add_identity_constrained(int sock, struct sshkey *key, 35 const char *comment, u_int life, u_int confirm); 36 int ssh_remove_identity(int sock, struct sshkey *key); 37 int ssh_update_card(int sock, int add, const char *reader_id, 38 const char *pin, u_int life, u_int confirm); 39 int ssh_remove_all_identities(int sock, int version); 40 41 int ssh_decrypt_challenge(int sock, struct sshkey* key, BIGNUM *challenge, 42 u_char session_id[16], u_char response[16]); 43 int ssh_agent_sign(int sock, struct sshkey *key, 44 u_char **sigp, size_t *lenp, 45 const u_char *data, size_t datalen, const char *alg, u_int compat); 46 47 /* Messages for the authentication agent connection. */ 48 #define SSH_AGENTC_REQUEST_RSA_IDENTITIES 1 49 #define SSH_AGENT_RSA_IDENTITIES_ANSWER 2 50 #define SSH_AGENTC_RSA_CHALLENGE 3 51 #define SSH_AGENT_RSA_RESPONSE 4 52 #define SSH_AGENT_FAILURE 5 53 #define SSH_AGENT_SUCCESS 6 54 #define SSH_AGENTC_ADD_RSA_IDENTITY 7 55 #define SSH_AGENTC_REMOVE_RSA_IDENTITY 8 56 #define SSH_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 57 58 /* private OpenSSH extensions for SSH2 */ 59 #define SSH2_AGENTC_REQUEST_IDENTITIES 11 60 #define SSH2_AGENT_IDENTITIES_ANSWER 12 61 #define SSH2_AGENTC_SIGN_REQUEST 13 62 #define SSH2_AGENT_SIGN_RESPONSE 14 63 #define SSH2_AGENTC_ADD_IDENTITY 17 64 #define SSH2_AGENTC_REMOVE_IDENTITY 18 65 #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19 66 67 /* smartcard */ 68 #define SSH_AGENTC_ADD_SMARTCARD_KEY 20 69 #define SSH_AGENTC_REMOVE_SMARTCARD_KEY 21 70 71 /* lock/unlock the agent */ 72 #define SSH_AGENTC_LOCK 22 73 #define SSH_AGENTC_UNLOCK 23 74 75 /* add key with constraints */ 76 #define SSH_AGENTC_ADD_RSA_ID_CONSTRAINED 24 77 #define SSH2_AGENTC_ADD_ID_CONSTRAINED 25 78 #define SSH_AGENTC_ADD_SMARTCARD_KEY_CONSTRAINED 26 79 80 #define SSH_AGENT_CONSTRAIN_LIFETIME 1 81 #define SSH_AGENT_CONSTRAIN_CONFIRM 2 82 83 /* extended failure messages */ 84 #define SSH2_AGENT_FAILURE 30 85 86 /* additional error code for ssh.com's ssh-agent2 */ 87 #define SSH_COM_AGENT2_FAILURE 102 88 89 #define SSH_AGENT_OLD_SIGNATURE 0x01 90 #define SSH_AGENT_RSA_SHA2_256 0x02 91 #define SSH_AGENT_RSA_SHA2_512 0x04 92 93 #endif /* AUTHFD_H */ 94