/crypto/heimdal/appl/ftp/ftp/security.h
https://bitbucket.org/freebsd/freebsd-head/ · C Header · 141 lines · 90 code · 17 blank · 34 comment · 0 complexity · 97c8361235ae0cc83c99bb97c262bbbd MD5 · raw file
- /*
- * Copyright (c) 1998 - 2005 Kungliga Tekniska Hรถgskolan
- * (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__
- enum protection_level {
- prot_invalid = -1,
- prot_clear = 0,
- prot_safe = 1,
- prot_confidential = 2,
- prot_private = 3
- };
- 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);
- };
- 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*);
- int (*session)(void*, char*);
- };
- #define AUTH_OK 0
- #define AUTH_CONTINUE 1
- #define AUTH_ERROR 2
- extern int ftp_do_gss_bindings;
- extern int ftp_do_gss_delegate;
- #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 (FILE *);
- int sec_fprintf (FILE *, const char *, ...)
- __attribute__ ((format (printf, 2,3)));
- 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)
- __attribute__ ((format (printf, 2,0)));
- int sec_fprintf2(FILE *f, const char *fmt, ...)
- __attribute__ ((format (printf, 2,3)));
- int sec_vfprintf2(FILE *, const char *, va_list)
- __attribute__ ((format (printf, 2,0)));
- int sec_write (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 sec_session(char *);
- int secure_command (void);
- enum protection_level get_command_prot(void);
- #else
- void sec_end (void);
- int sec_login (char *);
- void sec_prot (int, char **);
- void sec_prot_command (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);
- #endif
- #endif /* __security_h__ */