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/* modified by Martin Hedenfalk <mhe@home.se> 19 aug 2000
*/
/*
* Copyright (c) 1998, 1999 Kungliga Tekniska Hgskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* 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.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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.
*/
/* $Id: security.h,v 1.4 2000/10/13 22:43:04 mhe Exp $ */
#ifndef __security_h__
#define __security_h__
struct buffer {
void *data;
size_t size;
size_t index;
int eof_flag;
};
enum protection_level {
prot_clear,
prot_safe,
prot_confidential,
prot_private
};
struct sec_client_mech {
char *name;
size_t size;
int (*init)(void *);
int (*auth)(void *, char*);
void (*end)(void *);
int (*check_prot)(void *, int);
int (*overhead)(void *, int, int);
int (*encode)(void *, void*, int, int, void**);
int (*decode)(void *, void*, int, int);
};
#define AUTH_OK 0
#define AUTH_CONTINUE 1
#define AUTH_ERROR 2
extern struct sec_client_mech krb4_client_mech;
extern struct sec_client_mech gss_client_mech;
extern struct sec_client_mech ssl_client_mech;
/*extern int sec_complete;*/
/* ---- */
int sec_fflush (FILE *);
int sec_fprintf (FILE *, const char *, ...);
int sec_getc (FILE *);
int sec_putc (int, FILE *);
int sec_read (int, void *, int);
int sec_read_msg (char *, int);
int sec_vfprintf (FILE *, const char *, va_list);
int sec_fprintf2(FILE *f, const char *fmt, ...);
int sec_vfprintf2(FILE *, const char *, va_list);
int sec_write (int, char *, int);
void sec_end (void);
int sec_login(char *host, const char *mech_to_try);
void sec_prot (int, char **);
int sec_request_prot (char *);
void sec_set_protection_level (void);
void sec_status (void);
enum protection_level set_command_prot(enum protection_level);
const char *level_to_name(enum protection_level level);
enum protection_level name_to_level(const char *name);
#endif /* __security_h__ */
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