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/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user or with the express written consent of
* Sun Microsystems, Inc.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)netname.c 1.8 91/03/11 Copyr 1986 Sun Micro";
#endif
/*
* netname utility routines
* convert from unix names to network names and vice-versa
* This module is operating system dependent!
* What we define here will work with any unix system that has adopted
* the sun NIS domain architecture.
*/
#include <sys/param.h>
#include <rpc/rpc.h>
#include <rpc/rpc_com.h>
#ifdef YP
#include <rpcsvc/yp_prot.h>
#include <rpcsvc/ypclnt.h>
#endif
#include <ctype.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#ifndef MAXHOSTNAMELEN
#define MAXHOSTNAMELEN 256
#endif
#ifndef NGROUPS
#define NGROUPS 16
#endif
static char *OPSYS = "unix";
/*
* Figure out my fully qualified network name
*/
int
getnetname(name)
char name[MAXNETNAMELEN+1];
{
uid_t uid;
uid = geteuid();
if (uid == 0) {
return (host2netname(name, (char *) NULL, (char *) NULL));
} else {
return (user2netname(name, uid, (char *) NULL));
}
}
/*
* Convert unix cred to network-name
*/
int
user2netname(netname, uid, domain)
char netname[MAXNETNAMELEN + 1];
uid_t uid;
char *domain;
{
char *dfltdom;
#define MAXIPRINT (11) /* max length of printed integer */
if (domain == NULL) {
if (_rpc_get_default_domain(&dfltdom) != 0) {
return (0);
}
domain = dfltdom;
}
if (strlen(domain) + 1 + MAXIPRINT > MAXNETNAMELEN) {
return (0);
}
(void) sprintf(netname, "%s.%ld@%s", OPSYS, (u_long)uid, domain);
return (1);
}
/*
* Convert host to network-name
*/
int
host2netname(netname, host, domain)
char netname[MAXNETNAMELEN + 1];
char *host;
char *domain;
{
char *dfltdom;
char hostname[MAXHOSTNAMELEN+1];
if (domain == NULL) {
if (_rpc_get_default_domain(&dfltdom) != 0) {
return (0);
}
domain = dfltdom;
}
if (host == NULL) {
(void) gethostname(hostname, sizeof(hostname));
host = hostname;
}
if (strlen(domain) + 1 + strlen(host) > MAXNETNAMELEN) {
return (0);
}
(void) sprintf(netname, "%s.%s@%s", OPSYS, host, domain);
return (1);
}
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