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freebsd/lib/libncp/ipxsap.h
Robert Watson 158ae6cdf2 Mark data structures used on the wire with IPX SAP as __packed so that
they are not inappropriately padded as a result of compiler changes.

PR:		kern/74105
Submitted by:	Bob Johnson <bob89 at eng dot ufl dot edu>
2007-02-26 12:07:08 +00:00

93 lines
3.3 KiB
C

/*
* Copyright (c) 1999, Boris Popov
* 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 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.
*
* $FreeBSD$
*/
#ifndef _IPXSAP_H_
#define _IPXSAP_H_
#define IPX_SAP_GENERAL_QUERY 1
#define IPX_SAP_GENERAL_RESPONSE 2
#define IPX_SAP_NEAREST_QUERY 3
#define IPX_SAP_NEAREST_RESPONSE 4
#define IPX_SAP_MAX_ENTRIES 7
#define IPX_SAP_SERVER_DOWN 16
#define IPX_SAP_SERVER_NAME_LEN 48
#define IPX_SAP_REQUEST_LEN 4
/* Values for server_type */
#define IPX_SAP_FILE_SERVER 4
struct sap_query {
u_short query_type; /* net order */
u_short server_type; /* net order */
} __packed;
struct sap_entry {
u_short server_type;
u_char server_name[IPX_SAP_SERVER_NAME_LEN];
struct ipx_addr ipx;
u_short hops;
} __packed;
struct sap_packet {
u_short operation;
struct sap_entry sap_entries[1];
} __packed;
struct sap_rq {
struct sockaddr_ipx dest_addr;
int sock;
int entries;
struct sap_packet* buffer;
};
/*
#define sap_name_equal(n1,n2) (strncmp(n1,n2,IPX_SAP_SERVER_NAME_LEN) == 0);
#define sap_type_equal(t1,t2) (t1==IPX_SAP_GENERAL_RQ || t2==IPX_SAP_GENERAL_RQ || t1==t2);
*/
void sap_copy_name(char *dest,char *src);
int sap_getsock(int *rsock);
int sap_rq_init(struct sap_rq* out,int sock);
int sap_rq_flush(struct sap_rq* out);
void sap_rq_general(struct sap_rq* out,u_short ser_type);
void sap_rq_gns_request(struct sap_rq* out,u_short ser_type);
void sap_rq_response(struct sap_rq* out,u_short type,char *name,struct sockaddr_ipx* addr,u_short hops,int down_allow);
void sap_rq_gns_response(struct sap_rq* out,u_short type,char * name,struct sockaddr_ipx* addr,u_short hops);
void sap_rq_set_destination(struct sap_rq* out,struct ipx_addr *dest);
int sap_find_nearest(int server_type, struct sockaddr_ipx *result,char *server_name);
extern int (*sap_sendto_func)(void* buffer,int size,struct sockaddr_ipx* daddr,int sock);
int ipx_iffind(char *ifname, struct ipx_addr *addr);
#endif /* !_IPXSAP_H_ */