1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 2000 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef _DHCP_NETWORK_H
28*0Sstevel@tonic-gate #define	_DHCP_NETWORK_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #include <sys/types.h>
33*0Sstevel@tonic-gate #include <sys/param.h>
34*0Sstevel@tonic-gate #include <netinet/in.h>
35*0Sstevel@tonic-gate #include <dhcp_svc_public.h>
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate /*
38*0Sstevel@tonic-gate  * Implementation-specific data structures for the files dhcp_network
39*0Sstevel@tonic-gate  * container.  These structures are subject to change at any time.
40*0Sstevel@tonic-gate  */
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #ifdef	__cplusplus
43*0Sstevel@tonic-gate extern "C" {
44*0Sstevel@tonic-gate #endif
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate /*
47*0Sstevel@tonic-gate  * Per-record state describing the underlying record, including its
48*0Sstevel@tonic-gate  * position on-disk.
49*0Sstevel@tonic-gate  */
50*0Sstevel@tonic-gate typedef struct dn_recpos {
51*0Sstevel@tonic-gate 	dn_rec_t	dnp_rec;	/* traditional record */
52*0Sstevel@tonic-gate 	size_t		dnp_size;	/* its size in the file */
53*0Sstevel@tonic-gate 	off_t		dnp_off;	/* its starting offset in the file */
54*0Sstevel@tonic-gate } dn_recpos_t;
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate /*
57*0Sstevel@tonic-gate  * Per-record state for the underlying on-disk record representation.  Note
58*0Sstevel@tonic-gate  * that `dnf_cid' is twice its usual maximum length (plus room for a NUL
59*0Sstevel@tonic-gate  * byte) since it doubles in size when converted to ASCII; `dnf_macro' and
60*0Sstevel@tonic-gate  * `dnf_comment' are twice their usual maximum length in case we need to
61*0Sstevel@tonic-gate  * escape every character in them.
62*0Sstevel@tonic-gate  */
63*0Sstevel@tonic-gate typedef struct dn_filerec {
64*0Sstevel@tonic-gate 	char		dnf_cip[INET_ADDRSTRLEN];
65*0Sstevel@tonic-gate 	char		dnf_cid[DN_MAX_CID_LEN * 2 + 1];
66*0Sstevel@tonic-gate 	uint16_t	dnf_flags;
67*0Sstevel@tonic-gate 	char		dnf_sip[INET_ADDRSTRLEN];
68*0Sstevel@tonic-gate 	uint32_t	dnf_lease;
69*0Sstevel@tonic-gate 	uint64_t	dnf_sig;
70*0Sstevel@tonic-gate 	char		dnf_macro[DSVC_MAX_MACSYM_LEN * 2 + 1];
71*0Sstevel@tonic-gate 	char		dnf_comment[DN_MAX_COMMENT_LEN * 2 + 1];
72*0Sstevel@tonic-gate } dn_filerec_t;
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate /*
75*0Sstevel@tonic-gate  * Per-instance state for each instance of an open_dn()
76*0Sstevel@tonic-gate  */
77*0Sstevel@tonic-gate typedef struct dn_handle {
78*0Sstevel@tonic-gate 	unsigned int	dh_oflags;	/* flags passed into open_dn() */
79*0Sstevel@tonic-gate 	char		dh_location[MAXPATHLEN];
80*0Sstevel@tonic-gate 	ipaddr_t	dh_net;
81*0Sstevel@tonic-gate } dn_handle_t;
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate /*
84*0Sstevel@tonic-gate  * Order of the fields in the on-disk record.
85*0Sstevel@tonic-gate  */
86*0Sstevel@tonic-gate enum { DNF_CIP, DNF_CID, DNF_FLAGS, DNF_SIP, DNF_LEASE, DNF_SIG, DNF_MACRO,
87*0Sstevel@tonic-gate 	DNF_COMMENT };
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate #define	DNF_FIELDS		8	/* number of fields per record */
90*0Sstevel@tonic-gate #define	DNF_COMMENT_CHAR	'#'
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate /*
93*0Sstevel@tonic-gate  * Constants for use with find_dn()
94*0Sstevel@tonic-gate  */
95*0Sstevel@tonic-gate #define	FIND_PARTIAL	0x0001		/* allow partial success */
96*0Sstevel@tonic-gate #define	FIND_POSITION	0x0002 		/* return dn_recpos_t's */
97*0Sstevel@tonic-gate 
98*0Sstevel@tonic-gate #ifdef	__cplusplus
99*0Sstevel@tonic-gate }
100*0Sstevel@tonic-gate #endif
101*0Sstevel@tonic-gate 
102*0Sstevel@tonic-gate #endif	/* _DHCP_NETWORK_H */
103