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Diffstat (limited to 'usr/src/cmd/ssh/include/auth.h')
| -rw-r--r-- | usr/src/cmd/ssh/include/auth.h | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/usr/src/cmd/ssh/include/auth.h b/usr/src/cmd/ssh/include/auth.h deleted file mode 100644 index c932fafa6d..0000000000 --- a/usr/src/cmd/ssh/include/auth.h +++ /dev/null @@ -1,325 +0,0 @@ -/* $OpenBSD: auth.h,v 1.41 2002/09/26 11:38:43 markus Exp $ */ - -#ifndef _AUTH_H -#define _AUTH_H - -#ifdef __cplusplus -extern "C" { -#endif - - -/* - * 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. - * - */ -/* - * Copyright 2009 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#include "key.h" -#include "hostfile.h" -#include <openssl/rsa.h> - -#ifdef USE_PAM -#include <security/pam_appl.h> -#endif /* USE_PAM */ - -#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 Authmethod Authmethod; -typedef struct KbdintDevice KbdintDevice; - -#ifdef USE_PAM -typedef struct pam_stuff pam_stuff; - -struct pam_stuff { - Authctxt *authctxt; - pam_handle_t *h; - int state; - int last_pam_retval; -}; - -/* See auth-pam.h and auth-pam.c */ - -#define PAM_S_DONE_ACCT_MGMT 0x01 /* acct_mgmt done */ -#define PAM_S_DONE_SETCRED 0x02 /* setcred done */ -#define PAM_S_DONE_OPEN_SESSION 0x04 /* open_session done */ -#define PAM_S_DONE 0x07 /* all done */ -#endif /* USE_PAM */ - -struct Authctxt { - int success; - int valid; - int attempt; /* all userauth attempt count */ - int init_attempt; /* passwd/kbd-int attempt count */ - int failures; - int init_failures; - int unwind_dispatch_loop; - int v1_auth_type; - char *v1_auth_name; - Authmethod *method; - char *user; - char *service; - struct passwd *pw; - char *style; - void *kbdintctxt; /* XXX Switch to method_data; - v1 still needs this*/ -#ifdef USE_PAM - pam_stuff *pam; - char *cuser; /* client side user, needed for setting - PAM_AUSER for hostbased authentication - using roles */ - u_long last_login_time; /* need to get the time of - last login before calling - pam_open_session() */ - char last_login_host[MAXHOSTNAMELEN]; - int pam_retval; /* pam_stuff is cleaned before - BSM login failure auditing */ -#endif /* USE_PAM */ - - /* SUNW - What follows remains to reduce diffs with OpenSSH but - * is not used in Solaris. The Solaris SSH internal - * architecture requires that this stuff move into the - * Authmethod method_data. - */ -#ifndef SUNW_SSH -#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 - void *methoddata; -#endif /* SUNW_SSH */ -}; - -struct Authmethod { - char *name; - int *enabled; - /* - * Userauth method state tracking fields updated in - * input_userauth_request() and auth-pam.c. - * - * The "void (*userauth)(Authctxt *authctxt)" function - * communicates the userauth result (success, failure, - * "postponed," abandoned) through the 'authenticated', - * 'postponed' and 'abandoned' fields. Partial success is - * indicated by requiring other userauths to be used by setting - * their 'required' or 'sufficient' fields. - * - * Individual methods should only ever set 'not_again' if it - * makes no sense to complete the same userauth more than once, - * and they should set any methods' sufficient or required flags - * in order to force partial authentication and require that - * more userauths be tried. The (void *) 'method_data' and - * 'hist_method_data' pointers can be used by methods such as - * pubkey which may make sense to run more than once during - * userauth or which may require multiple round tripes (e.g., - * keyboard-interactive) and which need to keep some state; - * 'hist_method_data' is there specifically for pubkey userauth - * where multiple successful attempts should all use different - * keys. - * - * The "attempts," "abandons," "successes" and "failures" fields - * count the number of times a method has been attempted, - * abandoned, and has succeeded or failed. Note that pubkey - * userauth does not double-count sig-less probes that are - * followed by a pubkey request for the same pubkey anw with a - * signature. - */ - void (*userauth)(Authctxt *authctxt); - void (*abandon)(Authctxt *, Authmethod *); - void *method_data; - void *hist_method_data; - unsigned int is_initial; - unsigned int attempts:8; - unsigned int abandons:8; - unsigned int successes:8; - unsigned int failures:8; - /* - * Post-attempt state booleans (authenticated, abandoned, etc...) - */ - unsigned int authenticated:1; - unsigned int not_again:1; - unsigned int sufficient:1; - unsigned int required:1; - unsigned int postponed:1; - unsigned int abandoned:1; - /* - * NOTE: multi-round-trip userauth methods can either - * recursively call dispatch_run and detect abandonment - * within their message handlers (as PAM kbd-int does) or - * set the postponed flag and let input_userauth_request() - * detect abandonment (i.e., initiation of some userauth - * method before completion of a started, multi-round-trip - * userauth method). - * - */ -}; - -/* - * 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 *); -BIGNUM *auth_rsa_generate_challenge(Key *); -int auth_rsa_verify_response(Key *, BIGNUM *, u_char[]); -int auth_rsa_key_allowed(struct passwd *, BIGNUM *, Key **); - -int auth_rhosts_rsa_key_allowed(struct passwd *, char *, char *, Key *); -int hostbased_key_allowed(struct passwd *, const char *, char *, Key *); -int user_key_allowed(struct passwd *, Key *); - -#ifdef KRB4 -#include <krb.h> -int auth_krb4(Authctxt *, KTEXT, char **, KTEXT); -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, krb5_data *); -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); - -#ifdef HAVE_BSM -void audit_failed_login_cleanup(void *); -#endif /* HAVE_BSM */ - -int userauth_check_partial_failure(Authctxt *authctxt); -void userauth_force_kbdint(void); - -Authctxt *authctxt_new(void); -void auth_log(Authctxt *, int, char *, char *); -void userauth_finish(Authctxt *, char *); -void userauth_user_svc_change(Authctxt *authctxt, - char *user, - char *service); -int auth_root_allowed(char *); - -char *auth2_read_banner(void); - -void privsep_challenge_enable(void); - -void auth2_challenge(Authctxt *, char *); -void auth2_challenge_abandon(Authctxt *); -int bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **); -int bsdauth_respond(void *, u_int, char **); -int skey_query(void *, char **, char **, u_int *, char ***, u_int **); -int skey_respond(void *, u_int, char **); - -struct passwd * getpwnamallow(const char *user); - -int run_auth_hook(const char *, const char *, const char *); - -char *get_challenge(Authctxt *); -int verify_response(Authctxt *, const char *); - -struct passwd * auth_get_user(void); - -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 *); - -/* hostkey handling */ -#ifndef lint -Key *get_hostkey_by_index(int); -Key *get_hostkey_by_type(int); -int get_hostkey_index(Key *); -#endif /* lint */ -int ssh1_session_key(BIGNUM *); - -/* debug messages during authentication */ -void auth_debug_add(const char *fmt,...) __attribute__((format(printf, 1, 2))); -void auth_debug_send(void); -void auth_debug_reset(void); - -#define AUTH_FAIL_MAX 6 -#define AUTH_FAIL_LOG (AUTH_FAIL_MAX/2) -#define AUTH_FAIL_MSG "Too many authentication failures for %.100s" - -#define SKEY_PROMPT "\nS/Key Password: " - -#ifdef __cplusplus -} -#endif - -#endif /* _AUTH_H */ |