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/* modified by Martin Hedenfalk <mhe@stacken.kth.se> for use in Curl
* last modified 2000-09-18
*/
/*
* Copyright (c) 1998, 1999 Kungliga Tekniska Högskolan
* (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.
*/
/* $Id$ */
#ifndef __security_h__
#define __security_h__
#include <stdarg.h>
#include "urldata.h" /* for struct connectdata * */
struct sec_client_mech {
char *name;
size_t size;
int (*init)(void *);
int (*auth)(void *, struct connectdata *);
void (*end)(void *);
int (*check_prot)(void *, int);
int (*overhead)(void *, int, int);
int (*encode)(void *, void*, int, int, void**, struct connectdata *);
int (*decode)(void *, void*, int, int, struct connectdata *);
};
struct sec_server_mech {
char *name;
size_t size;
int (*init)(void *);
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);
int (*auth)(void *);
int (*adat)(void *, void*, size_t);
size_t (*pbsz)(void *, size_t);
int (*ccc)(void*);
int (*userok)(void*, char*);
};
#define AUTH_OK 0
#define AUTH_CONTINUE 1
#define AUTH_ERROR 2
#ifdef FTP_SERVER
extern struct sec_server_mech krb4_server_mech, gss_server_mech;
#else
extern struct sec_client_mech krb4_client_mech, gss_client_mech;
#endif
extern int sec_complete;
#ifdef FTP_SERVER
extern char *ftp_command;
void new_ftp_command(char*);
void delete_ftp_command(void);
#endif
/* ---- */
int sec_fflush (struct connectdata *conn, FILE *);
int sec_fflush_fd(struct connectdata *conn, int fd);
int sec_fprintf (struct connectdata *, FILE *, const char *, ...);
int sec_getc (struct connectdata *conn, FILE *);
int sec_putc (struct connectdata *conn, int, FILE *);
int sec_read (struct connectdata *conn, int, void *, int);
int sec_read_msg (struct connectdata *conn, char *, int);
int sec_vfprintf(struct connectdata *, FILE *, const char *, va_list);
int sec_fprintf2(struct connectdata *conn, FILE *f, const char *fmt, ...);
int sec_vfprintf2(struct connectdata *conn, FILE *, const char *, va_list);
int sec_write (struct connectdata *conn, int, char *, int);
#ifdef FTP_SERVER
void adat (char *);
void auth (char *);
void ccc (void);
void mec (char *, enum protection_level);
void pbsz (int);
void prot (char *);
void delete_ftp_command (void);
void new_ftp_command (char *);
int sec_userok (char *);
int secure_command (void);
enum protection_level get_command_prot(void);
#else
void sec_end (struct connectdata *);
int sec_login (struct connectdata *);
void sec_prot (int, char **);
int sec_request_prot (struct connectdata *conn, char *);
void sec_set_protection_level(struct connectdata *conn);
void sec_status (void);
enum protection_level set_command_prot(struct connectdata *,
enum protection_level);
#endif
#endif /* __security_h__ */
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