key_generic.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
*/
/*
* key_generic.c
*
* Copyright (c) 1988-1996 Sun Microsystems Inc
* All Rights Reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <stdlib.h>
#include <rpc/rpc.h>
#include <errno.h>
#include <syslog.h>
#include <rpc/nettype.h>
#include <netconfig.h>
#include <netdir.h>
#include <tiuser.h>
#include <fcntl.h>
#include <string.h>
#include <rpc/svc.h>
#include "automount.h"
#define MAXCACHETIME 900
/*
* The highest level interface for server creation.
* Copied from svc_generic.c and ../keyserv/key_generic.c, but adapted
* to work only for TPI_COTS_ORD semantics, and to be called only once
* from autod_main.c. Returns 1 (interface created) on success and 0
* (interfaces created) on failure.
*/
int
svc_create_local_service(dispatch, prognum, versnum, nettype, servname)
void (*dispatch) (); /* Dispatch function */
u_long prognum; /* Program number */
u_long versnum; /* Version number */
char *nettype; /* Networktype token */
char *servname; /* name of the service */
{
int num = 0;
SVCXPRT *xprt;
struct netconfig *nconf;
struct t_bind *bind_addr;
void *net;
int fd;
struct nd_hostserv ns;
struct nd_addrlist *nas;
time_t maxcachetime = MAXCACHETIME;
if ((net = __rpc_setconf(nettype)) == 0) {
(void) syslog(LOG_ERR,
"svc_create: could not read netconfig database");
return (0);
}
while (nconf = __rpc_getconf(net)) {
if ((strcmp(nconf->nc_protofmly, NC_LOOPBACK)) ||
(nconf->nc_semantics != NC_TPI_COTS_ORD))
continue;
if ((fd = t_open(nconf->nc_device, O_RDWR, NULL)) < 0) {
(void) syslog(LOG_ERR,
"svc_create: %s: cannot open connection: %s",
nconf->nc_netid, t_errlist[t_errno]);
return (0);
}
/*
* Negotiate for returning the uid of the caller.
* This should be done before enabling the endpoint for
* service via t_bind() (called in svc_tli_create())
* so that requests to automountd contain the uid.
*/
if (__rpc_negotiate_uid(fd) != 0) {
syslog(LOG_ERR,
"Couldn't negotiate for uid with loopback transport %s",
nconf->nc_netid);
t_close(fd);
return (0);
}
/* LINTED pointer alignment */
bind_addr = (struct t_bind *) t_alloc(fd, T_BIND, T_ADDR);
if ((bind_addr == NULL)) {
(void) t_close(fd);
(void) syslog(LOG_ERR, "svc_create: t_alloc failed\n");
return (0);
}
ns.h_host = HOST_SELF;
ns.h_serv = servname; /* autofs */
if (!netdir_getbyname(nconf, &ns, &nas)) {
/* Copy the address */
bind_addr->addr.len = nas->n_addrs->len;
(void) memcpy(bind_addr->addr.buf, nas->n_addrs->buf,
(int) nas->n_addrs->len);
bind_addr->qlen = 8;
netdir_free((char *) nas, ND_ADDRLIST);
} else {
(void) syslog(LOG_ERR,
"svc_create: no well known address for %s on %s\n",
servname, nconf->nc_netid);
(void) t_free((char *) bind_addr, T_BIND);
bind_addr = NULL;
}
xprt = svc_tli_create(fd, nconf, bind_addr, 0, 0);
if (bind_addr)
(void) t_free((char *) bind_addr, T_BIND);
if (xprt == NULL) {
(void) t_close(fd);
(void) syslog(LOG_ERR,
"svc_create: svc_tli_create failed\n");
return (0);
} else {
(void) rpcb_unset(prognum, versnum, nconf);
if (svc_reg(xprt, prognum, versnum, dispatch, nconf)
== FALSE) {
(void) syslog(LOG_ERR,
"svc_create: cannot register %d vers %d on %s",
prognum, versnum, nconf->nc_netid);
SVC_DESTROY(xprt); /* also t_closes fd */
return (0);
}
if (!__svc_vc_dupcache_init(xprt, (void *)&maxcachetime,
DUPCACHE_FIXEDTIME)) {
syslog(LOG_ERR,
"svc_create: init dupcache failed");
SVC_DESTROY(xprt); /* also t_closes fd */
return (0);
}
num = 1;
}
break;
}
__rpc_endconf(net);
return (num);
}