1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright (c) 2000 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 /*
30 * This file contains public API functions for module-level tasks. For the
31 * semantics of these functions, please see the Enterprise DHCP
32 * Architecture Document.
33 */
34
35 #include <assert.h>
36 #include <stdlib.h>
37 #include <unistd.h>
38 #include <sys/types.h>
39 #include <sys/socket.h>
40 #include <netinet/in.h>
41 #include <libgen.h>
42 #include <errno.h>
43 #include <dhcp_svc_public.h>
44
45 #include "util.h"
46
47 /*
48 * This symbol and its value tell the private layer that it must provide
49 * synchronization guarantees via dsvclockd(1M) before calling our *_dn()
50 * and *_dt() methods. Please see $SRC/lib/libdhcpsvc/private/README.synch
51 */
52 int dsvc_synchtype = DSVC_SYNCH_DSVCD;
53
54 int
status(const char * location)55 status(const char *location)
56 {
57 if (location != NULL) {
58 if (access(location, F_OK|R_OK) == -1) {
59 if (errno == ENOENT)
60 return (DSVC_NO_LOCATION);
61 return (syserr_to_dsvcerr(errno));
62 }
63 }
64 return (DSVC_SUCCESS);
65 }
66
67 int
version(int * vp)68 version(int *vp)
69 {
70 *vp = DSVC_PUBLIC_VERSION;
71 return (DSVC_SUCCESS);
72 }
73
74 int
mklocation(const char * directory)75 mklocation(const char *directory)
76 {
77 if (mkdirp(directory, 0755) == -1) {
78 switch (errno) {
79 case ENAMETOOLONG:
80 case ENOTDIR:
81 return (DSVC_INVAL);
82
83 case EEXIST:
84 return (DSVC_EXISTS);
85
86 case EROFS:
87 case EPERM:
88 case EACCES:
89 return (DSVC_ACCESS);
90
91 default:
92 return (DSVC_INTERNAL);
93 }
94 }
95
96 return (DSVC_SUCCESS);
97 }
98
99 int
mkloctoken(const char * location,char * token,size_t tokensize)100 mkloctoken(const char *location, char *token, size_t tokensize)
101 {
102 assert(tokensize >= MAXPATHLEN);
103 if (realpath(location, token) == NULL)
104 return (syserr_to_dsvcerr(errno));
105
106 return (DSVC_SUCCESS);
107 }
108