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e8636dfd57
Note: you'll need to rinstalkl all your includes before compiling libc the next time you update your sources in order for all this to work. Reviewed by: Mark Murray
137 lines
3.3 KiB
C
137 lines
3.3 KiB
C
/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user or with the express written consent of
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* Sun Microsystems, Inc.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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#if !defined(lint) && defined(SCCSIDS)
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static char sccsid[] = "@(#)netname.c 1.8 91/03/11 Copyr 1986 Sun Micro";
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#endif
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/*
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* netname utility routines
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* convert from unix names to network names and vice-versa
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* This module is operating system dependent!
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* What we define here will work with any unix system that has adopted
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* the sun NIS domain architecture.
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*/
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#include <sys/param.h>
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#include <rpc/rpc.h>
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#include <rpc/rpc_com.h>
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#ifdef YP
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#include <rpcsvc/yp_prot.h>
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#include <rpcsvc/ypclnt.h>
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#endif
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#include <ctype.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#ifndef MAXHOSTNAMELEN
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#define MAXHOSTNAMELEN 256
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#endif
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#ifndef NGROUPS
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#define NGROUPS 16
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#endif
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static char *OPSYS = "unix";
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/*
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* Figure out my fully qualified network name
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*/
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int
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getnetname(name)
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char name[MAXNETNAMELEN+1];
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{
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uid_t uid;
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uid = geteuid();
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if (uid == 0) {
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return (host2netname(name, (char *) NULL, (char *) NULL));
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} else {
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return (user2netname(name, uid, (char *) NULL));
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}
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}
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/*
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* Convert unix cred to network-name
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*/
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int
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user2netname(netname, uid, domain)
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char netname[MAXNETNAMELEN + 1];
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uid_t uid;
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char *domain;
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{
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char *dfltdom;
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#define MAXIPRINT (11) /* max length of printed integer */
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if (domain == NULL) {
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if (_rpc_get_default_domain(&dfltdom) != 0) {
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return (0);
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}
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domain = dfltdom;
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}
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if (strlen(domain) + 1 + MAXIPRINT > MAXNETNAMELEN) {
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return (0);
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}
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(void) sprintf(netname, "%s.%ld@%s", OPSYS, uid, domain);
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return (1);
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}
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/*
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* Convert host to network-name
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*/
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int
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host2netname(netname, host, domain)
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char netname[MAXNETNAMELEN + 1];
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char *host;
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char *domain;
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{
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char *dfltdom;
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char hostname[MAXHOSTNAMELEN+1];
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if (domain == NULL) {
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if (_rpc_get_default_domain(&dfltdom) != 0) {
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return (0);
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}
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domain = dfltdom;
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}
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if (host == NULL) {
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(void) gethostname(hostname, sizeof(hostname));
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host = hostname;
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}
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if (strlen(domain) + 1 + strlen(host) > MAXNETNAMELEN) {
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return (0);
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}
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(void) sprintf(netname, "%s.%s@%s", OPSYS, host, domain);
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return (1);
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}
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