mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-12-25 03:12:10 +00:00
73ab9ba45d
[auth.h auth1.c auth2.c sshd.c]
have the authentication functions return the authentication context
and then do_authenticated; okay millert@
159 lines
4.5 KiB
C
159 lines
4.5 KiB
C
/* $OpenBSD: auth.h,v 1.33 2002/03/18 01:12:14 provos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2000 Markus Friedl. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#ifndef AUTH_H
|
|
#define AUTH_H
|
|
|
|
#include "key.h"
|
|
#include "hostfile.h"
|
|
#include <openssl/rsa.h>
|
|
|
|
#ifdef HAVE_LOGIN_CAP
|
|
#include <login_cap.h>
|
|
#endif
|
|
#ifdef BSD_AUTH
|
|
#include <bsd_auth.h>
|
|
#endif
|
|
#ifdef KRB5
|
|
#include <krb5.h>
|
|
#endif
|
|
|
|
typedef struct Authctxt Authctxt;
|
|
typedef struct KbdintDevice KbdintDevice;
|
|
|
|
struct Authctxt {
|
|
int success;
|
|
int postponed;
|
|
int valid;
|
|
int attempt;
|
|
int failures;
|
|
char *user;
|
|
char *service;
|
|
struct passwd *pw;
|
|
char *style;
|
|
void *kbdintctxt;
|
|
#ifdef BSD_AUTH
|
|
auth_session_t *as;
|
|
#endif
|
|
#ifdef KRB4
|
|
char *krb4_ticket_file;
|
|
#endif
|
|
#ifdef KRB5
|
|
krb5_context krb5_ctx;
|
|
krb5_auth_context krb5_auth_ctx;
|
|
krb5_ccache krb5_fwd_ccache;
|
|
krb5_principal krb5_user;
|
|
char *krb5_ticket_file;
|
|
#endif
|
|
};
|
|
|
|
/*
|
|
* Keyboard interactive device:
|
|
* init_ctx returns: non NULL upon success
|
|
* query returns: 0 - success, otherwise failure
|
|
* respond returns: 0 - success, 1 - need further interaction,
|
|
* otherwise - failure
|
|
*/
|
|
struct KbdintDevice
|
|
{
|
|
const char *name;
|
|
void* (*init_ctx)(Authctxt*);
|
|
int (*query)(void *ctx, char **name, char **infotxt,
|
|
u_int *numprompts, char ***prompts, u_int **echo_on);
|
|
int (*respond)(void *ctx, u_int numresp, char **responses);
|
|
void (*free_ctx)(void *ctx);
|
|
};
|
|
|
|
int auth_rhosts(struct passwd *, const char *);
|
|
int
|
|
auth_rhosts2(struct passwd *, const char *, const char *, const char *);
|
|
|
|
int auth_rhosts_rsa(struct passwd *, char *, Key *);
|
|
int auth_password(Authctxt *, const char *);
|
|
int auth_rsa(struct passwd *, BIGNUM *);
|
|
int auth_rsa_challenge_dialog(Key *);
|
|
|
|
#ifdef KRB4
|
|
#include <krb.h>
|
|
int auth_krb4(Authctxt *, KTEXT, char **);
|
|
int auth_krb4_password(Authctxt *, const char *);
|
|
void krb4_cleanup_proc(void *);
|
|
|
|
#ifdef AFS
|
|
#include <kafs.h>
|
|
int auth_krb4_tgt(Authctxt *, const char *);
|
|
int auth_afs_token(Authctxt *, const char *);
|
|
#endif /* AFS */
|
|
|
|
#endif /* KRB4 */
|
|
|
|
#ifdef KRB5
|
|
int auth_krb5(Authctxt *authctxt, krb5_data *auth, char **client);
|
|
int auth_krb5_tgt(Authctxt *authctxt, krb5_data *tgt);
|
|
int auth_krb5_password(Authctxt *authctxt, const char *password);
|
|
void krb5_cleanup_proc(void *authctxt);
|
|
#endif /* KRB5 */
|
|
|
|
#include "auth-pam.h"
|
|
#include "auth2-pam.h"
|
|
|
|
Authctxt *do_authentication(void);
|
|
Authctxt *do_authentication2(void);
|
|
|
|
Authctxt *authctxt_new(void);
|
|
void auth_log(Authctxt *, int, char *, char *);
|
|
void userauth_finish(Authctxt *, int, char *);
|
|
int auth_root_allowed(char *);
|
|
|
|
int auth2_challenge(Authctxt *, char *);
|
|
void auth2_challenge_stop(Authctxt *);
|
|
|
|
int allowed_user(struct passwd *);
|
|
struct passwd * getpwnamallow(const char *user);
|
|
|
|
char *get_challenge(Authctxt *);
|
|
int verify_response(Authctxt *, const char *);
|
|
|
|
struct passwd * auth_get_user(void);
|
|
|
|
char *expand_filename(const char *, struct passwd *);
|
|
char *authorized_keys_file(struct passwd *);
|
|
char *authorized_keys_file2(struct passwd *);
|
|
|
|
int
|
|
secure_filename(FILE *, const char *, struct passwd *, char *, size_t);
|
|
|
|
HostStatus
|
|
check_key_in_hostfiles(struct passwd *, Key *, const char *,
|
|
const char *, const char *);
|
|
|
|
#define AUTH_FAIL_MAX 6
|
|
#define AUTH_FAIL_LOG (AUTH_FAIL_MAX/2)
|
|
#define AUTH_FAIL_MSG "Too many authentication failures for %.100s"
|
|
|
|
#endif
|