#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