include/atalk/nbp.h

Go to the documentation of this file.

/*
 * Copyright (c) 1990,1991 Regents of The University of Michigan.
 * All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notice appears in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation, and that the name of The University
 * of Michigan not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior
 * permission. This software is supplied as is without expressed or
 * implied warranties of any kind.
 *
 *  Research Systems Unix Group
 *  The University of Michigan
 *  c/o Mike Clark
 *  535 W. William Street
 *  Ann Arbor, Michigan
 *  +1-313-763-0525
 *  [email protected]
 */
 
#ifndef _ATALK_NBP_H
#define _ATALK_NBP_H 1
 
#ifndef NO_DDP
 
#define NBP_UNRGSTR_4ARGS 1
#define ATP_OPEN_2ARGS 1
 
#include <sys/types.h>
#include <netatalk/at.h>
#include <netatalk/endian.h>
 
/* Described in IAT 7-14 */
 
struct nbphdr {
#if BYTE_ORDER == BIG_ENDIAN
    uint32_t    nh_op : 4,
                nh_cnt : 4,
#else /* BYTE_ORDER != BIG_ENDIAN */
    uint32_t    nh_cnt : 4,
                nh_op : 4,
#endif /* BYTE_ORDER */
                nh_id : 8;
};
 
#define SZ_NBPHDR   2
 
 
/* NBP tuple described in IAT 7-16 */
/* struct nbptuple is misnamed; describes only the entity address */
struct nbptuple {
    uint16_t   nt_net;
    uint8_t    nt_node;
    uint8_t    nt_port;
    uint8_t    nt_enum;
};
#define SZ_NBPTUPLE 5
 
#define NBPSTRLEN   32
/*
 * Name Binding Protocol Network Visible Entity
 * This is the rest of NBP tuple in IAT 7-16
 */
struct nbpnve {
    struct sockaddr_at   nn_sat;
    uint8_t     nn_objlen;
    char        nn_obj[NBPSTRLEN];
    uint8_t     nn_typelen;
    char        nn_type[NBPSTRLEN];
    uint8_t     nn_zonelen;
    char        nn_zone[NBPSTRLEN];
};
 
/*
 * Note that NBPOP_ERROR is not standard. As Apple adds more NBPOPs,
 * we need to check for collisions with our extra values.  */
#define NBPOP_BRRQ   0x1
#define NBPOP_LKUP   0x2
#define NBPOP_LKUPREPLY  0x3
#define NBPOP_FWD    0x4
#define NBPOP_RGSTR  0x7
#define NBPOP_UNRGSTR    0x8
#define NBPOP_CONFIRM    0x9
#define NBPOP_OK     0xa  /* NBPOP_STATUS_REPLY */
#define NBPOP_CLOSE_NOTE 0xb
 
#define NBPOP_ERROR  0xf
 
#define NBPMATCH_NOGLOB (1<<1)
#define NBPMATCH_NOZONE (1<<2)
 
extern int nbp_name(const char *, char **, char **, char **);
extern int nbp_do_lookup_op(const char *, const char *, const char *,
                            struct nbpnve *, const int,
                            const struct at_addr *, const struct at_addr *, uint8_t);
extern int nbp_lookup(const char *, const char *, const char *,
                      struct nbpnve *, const int,
                      const struct at_addr *);
extern int nbp_rgstr(struct sockaddr_at *,
                     const char *, const char *, const char *);
extern int nbp_unrgstr(const char *, const char *, const char *,
                       const struct at_addr *);
 
#endif  /* NO_DDP */
#endif