--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/auth.h	Wed Mar 08 13:23:58 2006 +0000
@@ -0,0 +1,111 @@
+/*
+ * Dropbear - a SSH2 server
+ * 
+ * Copyright (c) 2002,2003 Matt Johnston
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE. */
+
+#ifndef _AUTH_H_
+#define _AUTH_H_
+
+#include "includes.h"
+
+void svr_authinitialise();
+void cli_authinitialise();
+
+/* Server functions */
+void recv_msg_userauth_request();
+void send_msg_userauth_failure(int partial, int incrfail);
+void send_msg_userauth_success();
+void svr_auth_password();
+void svr_auth_pubkey();
+void svr_auth_pam();
+
+/* Client functions */
+void recv_msg_userauth_failure();
+void recv_msg_userauth_success();
+void recv_msg_userauth_specific_60();
+void recv_msg_userauth_pk_ok();
+void recv_msg_userauth_info_request();
+void cli_get_user();
+void cli_auth_getmethods();
+void cli_auth_try();
+void recv_msg_userauth_banner();
+void cli_pubkeyfail();
+void cli_auth_password();
+int cli_auth_pubkey();
+void cli_auth_interactive();
+char* getpass_or_cancel();
+
+
+#define MAX_USERNAME_LEN 25 /* arbitrary for the moment */
+
+#define AUTH_TYPE_NONE      1
+#define AUTH_TYPE_PUBKEY    1 << 1
+#define AUTH_TYPE_PASSWORD  1 << 2
+#define AUTH_TYPE_INTERACT  1 << 3
+
+#define AUTH_METHOD_NONE "none"
+#define AUTH_METHOD_NONE_LEN 4
+#define AUTH_METHOD_PUBKEY "publickey"
+#define AUTH_METHOD_PUBKEY_LEN 9
+#define AUTH_METHOD_PASSWORD "password"
+#define AUTH_METHOD_PASSWORD_LEN 8
+#define AUTH_METHOD_INTERACT "keyboard-interactive"
+#define AUTH_METHOD_INTERACT_LEN 20
+
+
+
+/* This structure is shared between server and client - it contains
+ * relatively little extraneous bits when used for the client rather than the
+ * server */
+struct AuthState {
+
+	char *username; /* This is the username the client presents to check. It
+					   is updated each run through, used for auth checking */
+	unsigned char authtypes; /* Flags indicating which auth types are still 
+								valid */
+	unsigned int failcount; /* Number of (failed) authentication attempts.*/
+	unsigned authdone : 1; /* 0 if we haven't authed, 1 if we have. Applies for
+							  client and server (though has differing [obvious]
+							  meanings). */
+	unsigned perm_warn : 1; /* Server only, set if bad permissions on 
+							   ~/.ssh/authorized_keys have already been
+							   logged. */
+
+	/* These are only used for the server */
+	char *printableuser; /* stripped of control chars, used for logs etc */
+	struct passwd * pw;
+
+};
+
+struct SignKeyList;
+/* A singly linked list of signing keys */
+struct SignKeyList {
+
+	sign_key *key;
+	int type; /* The type of key */
+	struct SignKeyList *next;
+	/* filename? or the buffer? for encrypted keys, so we can later get
+	 * the private key portion */
+
+};
+
+#endif /* _AUTH_H_ */