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a93c6d87ef
[auth.h]
Manual cleanup of remaining userland __P use (excluding packages
maintained outside the tree)
156 lines
4.4 KiB
C
156 lines
4.4 KiB
C
/*
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* Copyright (c) 2000 Markus Friedl. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $OpenBSD: auth.h,v 1.28 2002/02/17 19:42:32 millert Exp $
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*/
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#ifndef AUTH_H
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#define AUTH_H
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#include "key.h"
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#include "hostfile.h"
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#include <openssl/rsa.h>
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#ifdef HAVE_LOGIN_CAP
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#include <login_cap.h>
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#endif
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#ifdef BSD_AUTH
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#include <bsd_auth.h>
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#endif
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#ifdef KRB5
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#include <krb5.h>
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#endif
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typedef struct Authctxt Authctxt;
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typedef struct KbdintDevice KbdintDevice;
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struct Authctxt {
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int success;
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int postponed;
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int valid;
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int attempt;
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int failures;
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char *user;
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char *service;
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struct passwd *pw;
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char *style;
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void *kbdintctxt;
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#ifdef BSD_AUTH
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auth_session_t *as;
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#endif
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#ifdef KRB4
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char *krb4_ticket_file;
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#endif
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#ifdef KRB5
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krb5_context krb5_ctx;
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krb5_auth_context krb5_auth_ctx;
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krb5_ccache krb5_fwd_ccache;
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krb5_principal krb5_user;
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char *krb5_ticket_file;
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#endif
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};
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/*
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* Keyboard interactive device:
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* init_ctx returns: non NULL upon success
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* query returns: 0 - success, otherwise failure
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* respond returns: 0 - success, 1 - need further interaction,
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* otherwise - failure
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*/
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struct KbdintDevice
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{
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const char *name;
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void* (*init_ctx)(Authctxt*);
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int (*query)(void *ctx, char **name, char **infotxt,
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u_int *numprompts, char ***prompts, u_int **echo_on);
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int (*respond)(void *ctx, u_int numresp, char **responses);
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void (*free_ctx)(void *ctx);
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};
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int auth_rhosts(struct passwd *, const char *);
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int
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auth_rhosts2(struct passwd *, const char *, const char *, const char *);
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int auth_rhosts_rsa(struct passwd *, const char *, Key *);
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int auth_password(Authctxt *, const char *);
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int auth_rsa(struct passwd *, BIGNUM *);
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int auth_rsa_challenge_dialog(RSA *);
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#ifdef KRB4
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#include <krb.h>
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int auth_krb4(Authctxt *, KTEXT, char **);
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int auth_krb4_password(Authctxt *, const char *);
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void krb4_cleanup_proc(void *);
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#ifdef AFS
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#include <kafs.h>
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int auth_krb4_tgt(Authctxt *, const char *);
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int auth_afs_token(Authctxt *, const char *);
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#endif /* AFS */
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#endif /* KRB4 */
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#ifdef KRB5
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int auth_krb5(Authctxt *authctxt, krb5_data *auth, char **client);
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int auth_krb5_tgt(Authctxt *authctxt, krb5_data *tgt);
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int auth_krb5_password(Authctxt *authctxt, const char *password);
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void krb5_cleanup_proc(void *authctxt);
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#endif /* KRB5 */
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#include "auth-pam.h"
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#include "auth2-pam.h"
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void do_authentication(void);
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void do_authentication2(void);
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Authctxt *authctxt_new(void);
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void auth_log(Authctxt *, int, char *, char *);
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void userauth_finish(Authctxt *, int, char *);
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int auth_root_allowed(char *);
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int auth2_challenge(Authctxt *, char *);
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void auth2_challenge_stop(Authctxt *);
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int allowed_user(struct passwd *);
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char *get_challenge(Authctxt *);
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int verify_response(Authctxt *, const char *);
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struct passwd * auth_get_user(void);
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char *expand_filename(const char *, struct passwd *);
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char *authorized_keys_file(struct passwd *);
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char *authorized_keys_file2(struct passwd *);
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int
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secure_filename(FILE *, const char *, struct passwd *, char *, size_t);
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HostStatus
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check_key_in_hostfiles(struct passwd *, Key *, const char *,
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const char *, const char *);
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#define AUTH_FAIL_MAX 6
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#define AUTH_FAIL_LOG (AUTH_FAIL_MAX/2)
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#define AUTH_FAIL_MSG "Too many authentication failures for %.100s"
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#endif
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