X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/696f6befad09f970af2cc44b4e46aae1efe35461..bc9a470b2b90552bce6faf239d79227fc30ad5aa:/auth.h

diff --git a/auth.h b/auth.h
index 82d9987a..3a70f442 100644
--- a/auth.h
+++ b/auth.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: auth.h,v 1.40 2002/09/09 06:48:06 itojun Exp $	*/
+/* $OpenBSD: auth.h,v 1.62 2008/11/04 08:22:12 djm Exp $ */
 
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
@@ -28,8 +28,8 @@
 #ifndef AUTH_H
 #define AUTH_H
 
-#include "key.h"
-#include "hostfile.h"
+#include <signal.h>
+
 #include <openssl/rsa.h>
 
 #ifdef HAVE_LOGIN_CAP
@@ -47,30 +47,38 @@ typedef struct Authmethod Authmethod;
 typedef struct KbdintDevice KbdintDevice;
 
 struct Authctxt {
-	int		 success;
-	int		 postponed;
-	int		 valid;
+	sig_atomic_t	 success;
+	int		 authenticated;	/* authenticated and alarms cancelled */
+	int		 postponed;	/* authentication needs another step */
+	int		 valid;		/* user exists and is allowed to login */
 	int		 attempt;
 	int		 failures;
-	char		*user;
+	int		 force_pwchange;
+	char		*user;		/* username sent by the client */
 	char		*service;
-	struct passwd	*pw;
+	struct passwd	*pw;		/* set if 'valid' */
 	char		*style;
 	void		*kbdintctxt;
+	void		*jpake_ctx;
 #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;
+	char		*krb5_ccname;
 #endif
+	Buffer		*loginmsg;
+	void		*methoddata;
 };
+/*
+ * Every authentication method has to handle authentication requests for
+ * non-existing users, or for users that are not allowed to login. In this
+ * case 'valid' is set to 0, but 'user' points to the username requested by
+ * the client.
+ */
 
 struct Authmethod {
 	char	*name;
@@ -99,9 +107,9 @@ 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_rhosts_rsa(Authctxt *, char *, Key *);
 int      auth_password(Authctxt *, const char *);
-int      auth_rsa(struct passwd *, BIGNUM *);
+int      auth_rsa(Authctxt *, BIGNUM *);
 int      auth_rsa_challenge_dialog(Key *);
 BIGNUM	*auth_rsa_generate_challenge(Key *);
 int	 auth_rsa_verify_response(Key *, BIGNUM *, u_char[]);
@@ -111,36 +119,31 @@ 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 **);
-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);
+void	krb5_cleanup_proc(Authctxt *authctxt);
 #endif /* KRB5 */
 
+#if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE)
+#include <shadow.h>
+int auth_shadow_acctexpired(struct spwd *);
+int auth_shadow_pwexpired(Authctxt *);
+#endif
+
 #include "auth-pam.h"
-#include "auth2-pam.h"
+#include "audit.h"
+void remove_kbdint_device(const char *);
 
-Authctxt *do_authentication(void);
-Authctxt *do_authentication2(void);
+void disable_forwarding(void);
+
+void	do_authentication(Authctxt *);
+void	do_authentication2(Authctxt *);
 
-Authctxt *authctxt_new(void);
 void	auth_log(Authctxt *, int, char *, char *);
 void	userauth_finish(Authctxt *, int, char *);
+void	userauth_send_banner(const char *);
 int	auth_root_allowed(char *);
 
 char	*auth2_read_banner(void);
@@ -154,20 +157,20 @@ 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 **);
 
+void	auth2_jpake_get_pwdata(Authctxt *, BIGNUM **, char **, char **);
+void	auth2_jpake_stop(Authctxt *);
+
 int	allowed_user(struct passwd *);
 struct passwd * getpwnamallow(const char *user);
 
 char	*get_challenge(Authctxt *);
 int	verify_response(Authctxt *, const char *);
+void	abandon_challenge_response(Authctxt *);
 
-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);
+FILE	*auth_openkeyfile(const char *, struct passwd *, int);
 
 HostStatus
 check_key_in_hostfiles(struct passwd *, Key *, const char *,
@@ -184,9 +187,16 @@ 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)
+struct passwd *fakepw(void);
+
+int	 sys_auth_passwd(Authctxt *, const char *);
+
 #define AUTH_FAIL_MSG "Too many authentication failures for %.100s"
 
 #define SKEY_PROMPT "\nS/Key Password: "
+
+#if defined(KRB5) && !defined(HEIMDAL)
+#include <krb5.h>
+krb5_error_code ssh_krb5_cc_gen(krb5_context, krb5_ccache *);
+#endif
 #endif