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/*
* 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 1992 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <errno.h>
#include <sys/time.h>
#include <rpc/rpc.h>
#include <rpc/pmap_prot.h>
#include <sys/socket.h>
#include <sys/file.h>
#include <sys/syslog.h>
#include "yp_prot.h"
#include "ypv1_prot.h"
#include "ypclnt.h"
/*
* This is the same as struct dom_binding used by the base __yp_dobind().
* Named differently here to avoid name conflict with the compat
* struct dom_binding.
*/
/* Copied from base <sys/netconfig.h> */
struct netconfig {
char *nc_netid; /* network identifier */
unsigned long nc_semantics; /* defined below */
unsigned long nc_flag; /* defined below */
char *nc_protofmly; /* protocol family name */
char *nc_proto; /* protocol name */
char *nc_device; /* device name for network id */
unsigned long nc_nlookups; /* # of entries in nc_lookups */
char **nc_lookups; /* list of lookup directories */
unsigned long nc_unused[8];
};
/* Copied from base <sys/tiuser.h> */
struct netbuf {
unsigned int maxlen;
unsigned int len;
char *buf;
};
struct s5_dom_binding {
struct s5_dom_binding *dom_next;
char *dom_domain;
struct s5_ypbind_binding *dom_binding;
CLIENT *dom_client;
};
struct s5_ypbind_binding {
struct netconfig *ypbind_conf;
struct netbuf *ypbind_svcaddr;
char *ypbind_servername;
long ypbind_hi_vers;
long ypbind_lo_vers;
};
static void _yp_unbind();
static struct dom_binding *load_dom_binding_cache();
static struct dom_binding *bound_domains; /* List of bound domains */
/*
* This is a "wrapper" function that is implemented by the yp_bind()
* function in base libnsl/yp.
*/
#ifdef NOTDEFINED
int
yp_bind(domain)
char *domain;
{
/* XXX */
_yp_bind(domain);
}
#endif
/*
* Attempts to find a dom_binding in the list at bound_domains having the
* domain name field equal to the passed domain name, and removes it if found.
* The domain-server binding will not exist after the call to this function.
* All resources associated with the binding will be freed.
*/
#ifdef NOTDEFINED
void
yp_unbind (domain)
char *domain;
{
_yp_unbind(domain); /* clean our local cache */
/* XXX */
_yp_unbind(domain);
}
#endif
/*
* This is a wrapper around the yp_get_default_domain()
* function in base libnsl/yp.
*/
#ifdef NOTDEFINED
int
yp_get_default_domain(domain)
char **domain;
{
/* XXX */
_yp_get_default_domain(domain);
}
#endif
/*
* Attempts to locate a NIS server that serves a passed domain.
* This is a wrapper around the __yp_dobind() function in base
* libnsl/yp; it converts the libnsl [netbuf based] dom_binding structure into
* the [sockaddr based] one that is expected by binary compat apps. Note that,
* the wrapper must allocate memory resources in order to hold
* the
*/
int
_yp_dobind(domain, binding)
char *domain;
struct dom_binding **binding; /* if result == 0, ptr to dom_binding */
{
int retval;
struct s5_dom_binding *dom_binding; /* Ptr to dom_binding from libnsl __yp_dobind() */
int status;
/* XXX */
retval = __yp_dobind(domain, &dom_binding);
if (retval != 0)
return(retval);
if ((*binding = load_dom_binding_cache(domain, dom_binding)) == NULL)
return (YPERR_RESRC); /* make sure it is in our cache */
return (0); /* This is the go path */
}
/*
* This allocates some memory for a domain binding, initialize it, and
* returns a pointer to it. Based on the program version we ended up
* talking to ypbind with, fill out an opvector of appropriate protocol
* modules.
*/
static struct dom_binding *
load_dom_binding_cache(domain, dom_binding)
char *domain;
struct s5_dom_binding *dom_binding;
{
struct dom_binding *pdomb = NULL;
struct sockaddr_in *sa; /* To get a port bound to socket */
struct sockaddr_in local_name;
int local_name_len = sizeof(struct sockaddr_in);
for (pdomb = bound_domains; pdomb != NULL; pdomb = pdomb->dom_pnext) {
if (strcmp(domain, pdomb->dom_domain) == 0)
return (pdomb);
}
if ((pdomb = (struct dom_binding *) malloc(sizeof(struct dom_binding)))
== NULL) {
(void) syslog(LOG_ERR, "load_dom_binding_cache: malloc failure.");
return (struct dom_binding *) (NULL);
}
sa = (struct sockaddr_in *)dom_binding->dom_binding->ypbind_svcaddr->buf;
pdomb->dom_server_addr.sin_family = sa->sin_family;
pdomb->dom_server_addr.sin_port = sa->sin_port;
pdomb->dom_server_addr.sin_addr.s_addr = sa->sin_addr.s_addr;
bzero(pdomb->dom_server_addr.sin_zero, 8);
pdomb->dom_server_port = sa->sin_port;
pdomb->dom_socket = RPC_ANYSOCK;
pdomb->dom_vers = dom_binding->dom_binding->ypbind_hi_vers;
/* the claim is 5.0 CLIENT * can be used by a 4.x RPC user */
pdomb->dom_client = dom_binding->dom_client;
(void) strcpy(pdomb->dom_domain, domain);/* Remember the domain name */
pdomb->dom_pnext = bound_domains; /* Link this to the list as */
bound_domains = pdomb; /* ... the head entry */
return (pdomb);
}
static void
_yp_unbind (domain)
char *domain;
{
struct dom_binding *pdomb;
struct dom_binding *ptrail = 0;
if ( (domain == NULL) ||(strlen(domain) == 0) ) {
return;
}
for (pdomb = bound_domains; pdomb != NULL;
ptrail = pdomb, pdomb = pdomb->dom_pnext) {
if (strcmp(domain, pdomb->dom_domain) == 0) {
if (pdomb == bound_domains)
bound_domains = pdomb->dom_pnext;
else
ptrail->dom_pnext = pdomb->dom_pnext;
free((char *) pdomb);
break;
}
}
}
int
yp_ismapthere(stat)
int stat;
{
switch (stat) {
case 0: /* it actually succeeded! */
case YPERR_KEY: /* no such key in map */
case YPERR_NOMORE:
case YPERR_BUSY:
return (TRUE);
}
return (FALSE);
}
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