nb_lib.h   [plain text]


/*
 * Copyright (c) 2000, Boris Popov
 * All rights reserved.
 *
 * Portions Copyright (C) 2001 - 2007 Apple Inc. 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    This product includes software developed by Boris Popov.
 * 4. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 *
 */
#ifndef _NETSMB_NB_LIB_H_
#define	_NETSMB_NB_LIB_H_


/*
 * resource record
 */
struct nbns_rr {
	u_char *	rr_name;	/* compressed NETBIOS name */
	u_int16_t	rr_type;
	u_int16_t	rr_class;
	u_int32_t	rr_ttl;
	u_int16_t	rr_rdlength;
	u_char *	rr_data;
};

/*
 * NetBIOS name return
 */
struct nbns_nr {
	char		nr_name[NB_NAMELEN];
	u_int16_t	nr_beflags; /* Big endian, from network */
};

#define NBRQF_BROADCAST		0x0001

#define NBNS_GROUPFLG 0x8000

/*
 * nbns request
 */
struct nbns_rq {
	int		nr_opcode;
	int		nr_nmflags;
	int		nr_rcode;
	int		nr_qdcount;
	int		nr_ancount;
	int		nr_nscount;
	int		nr_arcount;
	struct nb_name*	nr_qdname;
	u_int16_t	nr_qdtype;
	u_int16_t	nr_qdclass;
	struct sockaddr_in nr_dest;	/* receiver of query */
	struct sockaddr_in nr_sender;	/* sender of response */
	int		nr_rpnmflags;
	int		nr_rprcode;
	u_int16_t	nr_rpancount;
	u_int16_t	nr_rpnscount;
	u_int16_t	nr_rparcount;
	u_int16_t	nr_trnid;
	struct nb_ctx *	nr_nbd;
	struct mbdata	nr_rq;
	struct mbdata	nr_rp;
	struct nb_ifdesc *nr_if;
	int		nr_flags; /* endian-ness depends on host */
	int		nr_fd;
};

struct nb_ifdesc {
	int		id_flags;
	struct in_addr	id_addr;
	struct in_addr	id_mask;
	char		id_name[16];	/* actually IFNAMSIZ */
	struct nb_ifdesc * id_next;
};

struct sockaddr;

__BEGIN_DECLS

int nb_name_len(struct nb_name *);
/* new flag UCflag. 1=uppercase,0=don't */
int nb_name_encode(struct nb_name *, u_char *, u_int8_t UCflag);
int nb_encname_len(const char *);

int  nb_snballoc(int namelen, struct sockaddr_nb **);
int  nb_sockaddr(struct sockaddr *, struct nb_name *, struct sockaddr_nb **);

int  nb_resolvehost_in(const char *, struct sockaddr **, u_int16_t, int);
int  nbns_resolvename(const char *, struct nb_ctx *, struct smb_ctx *, struct sockaddr **, int allow_local_conn, u_int16_t port);
int  nbns_getnodestatus(struct sockaddr *targethost,
	struct nb_ctx *ctx, char *system, char *workgroup);
int isLocalNetworkAddress(u_int32_t addr);
int  nb_getlocalname(char *name, size_t);
int  nb_enum_if(struct nb_ifdesc **, int);
int nb_error_to_errno(int error);

void nb_ctx_done(struct nb_ctx *);
int  nb_ctx_set_wins_name(struct nb_ctx *, const char *);
int  nb_ctx_setscope(struct nb_ctx *, const char *);
int  nb_ctx_resolve(struct nb_ctx *);
int  nb_ctx_readrcsection(struct rcfile *, struct nb_ctx *, const char *, int);
void nb_ctx_readcodepage(struct rcfile *rcfile, const char *sname);
__END_DECLS

#endif /* !_NETSMB_NB_LIB_H_ */