132 lines
3.9 KiB
C
132 lines
3.9 KiB
C
/*
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* Copyright (c) 1998, 1999 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* $Id: security.h,v 1.7 1999/12/02 16:58:30 joda Exp $ */
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#ifndef __security_h__
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#define __security_h__
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enum protection_level {
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prot_clear,
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prot_safe,
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prot_confidential,
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prot_private
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};
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struct sec_client_mech {
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char *name;
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size_t size;
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int (*init)(void *);
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int (*auth)(void *, char*);
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void (*end)(void *);
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int (*check_prot)(void *, int);
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int (*overhead)(void *, int, int);
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int (*encode)(void *, void*, int, int, void**);
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int (*decode)(void *, void*, int, int);
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};
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struct sec_server_mech {
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char *name;
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size_t size;
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int (*init)(void *);
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void (*end)(void *);
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int (*check_prot)(void *, int);
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int (*overhead)(void *, int, int);
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int (*encode)(void *, void*, int, int, void**);
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int (*decode)(void *, void*, int, int);
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int (*auth)(void *);
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int (*adat)(void *, void*, size_t);
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size_t (*pbsz)(void *, size_t);
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int (*ccc)(void*);
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int (*userok)(void*, char*);
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};
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#define AUTH_OK 0
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#define AUTH_CONTINUE 1
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#define AUTH_ERROR 2
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#ifdef FTP_SERVER
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extern struct sec_server_mech krb4_server_mech, gss_server_mech;
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#else
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extern struct sec_client_mech krb4_client_mech, gss_client_mech;
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#endif
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extern int sec_complete;
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#ifdef FTP_SERVER
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extern char *ftp_command;
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void new_ftp_command(char*);
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void delete_ftp_command(void);
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#endif
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/* ---- */
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int sec_fflush (FILE *);
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int sec_fprintf (FILE *, const char *, ...);
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int sec_getc (FILE *);
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int sec_putc (int, FILE *);
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int sec_read (int, void *, int);
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int sec_read_msg (char *, int);
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int sec_vfprintf (FILE *, const char *, va_list);
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int sec_fprintf2(FILE *f, const char *fmt, ...);
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int sec_vfprintf2(FILE *, const char *, va_list);
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int sec_write (int, char *, int);
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#ifdef FTP_SERVER
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void adat (char *);
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void auth (char *);
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void ccc (void);
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void mec (char *, enum protection_level);
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void pbsz (int);
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void prot (char *);
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void delete_ftp_command (void);
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void new_ftp_command (char *);
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int sec_userok (char *);
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int secure_command (void);
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enum protection_level get_command_prot(void);
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#else
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void sec_end (void);
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int sec_login (char *);
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void sec_prot (int, char **);
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int sec_request_prot (char *);
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void sec_set_protection_level (void);
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void sec_status (void);
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enum protection_level set_command_prot(enum protection_level);
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#endif
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#endif /* __security_h__ */
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