general.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2000-2001 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* This file contains public API functions for module-level tasks. For the
* semantics of these functions, please see the Enterprise DHCP
* Architecture Document.
*
* WARNING: This file is also compiled into the files0 module; if you make
* changes to this file which are not appropriate for files0, you
* will need to provide files0 with its own implementation.
*/
#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <libgen.h>
#include <errno.h>
#include <dhcp_svc_public.h>
#include <dhcp_svc_private.h> /* DSVC_SYNCH_CROSSHOST */
#include "util.h"
/*
* This symbol and its value tell the private layer that it must provide
* synchronization guarantees via dsvclockd(1M) before calling our *_dn()
* and *_dt() methods. Please see $SRC/lib/libdhcpsvc/private/README.synch
*/
int dsvc_synchtype = DSVC_SYNCH_DSVCD | DSVC_SYNCH_CROSSHOST;
int
status(const char *location)
{
if (location != NULL) {
if (access(location, F_OK|R_OK) == -1) {
if (errno == ENOENT)
return (DSVC_NO_LOCATION);
return (syserr_to_dsvcerr(errno));
}
}
return (DSVC_SUCCESS);
}
int
version(int *vp)
{
*vp = DSVC_PUBLIC_VERSION;
return (DSVC_SUCCESS);
}
int
mklocation(const char *location)
{
if (mkdirp(location, 0755) == -1) {
switch (errno) {
case ENAMETOOLONG:
case ENOTDIR:
return (DSVC_INVAL);
case EEXIST:
return (DSVC_EXISTS);
case EROFS:
case EPERM:
case EACCES:
return (DSVC_ACCESS);
default:
return (DSVC_INTERNAL);
}
}
return (DSVC_SUCCESS);
}
int
mkloctoken(const char *location, char *token, size_t tokensize)
{
assert(tokensize >= MAXPATHLEN);
if (realpath(location, token) == NULL)
return (syserr_to_dsvcerr(errno));
return (DSVC_SUCCESS);
}