xref: /freebsd/usr.bin/mail/getname.c (revision 9ce73e901878324070d0420a285d144d5acffe2d)
19b50d902SRodney W. Grimes /*
29b50d902SRodney W. Grimes  * Copyright (c) 1980, 1993
39b50d902SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
49b50d902SRodney W. Grimes  *
59b50d902SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
69b50d902SRodney W. Grimes  * modification, are permitted provided that the following conditions
79b50d902SRodney W. Grimes  * are met:
89b50d902SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
99b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
109b50d902SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
119b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
129b50d902SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
139b50d902SRodney W. Grimes  * 3. All advertising materials mentioning features or use of this software
149b50d902SRodney W. Grimes  *    must display the following acknowledgement:
159b50d902SRodney W. Grimes  *	This product includes software developed by the University of
169b50d902SRodney W. Grimes  *	California, Berkeley and its contributors.
179b50d902SRodney W. Grimes  * 4. Neither the name of the University nor the names of its contributors
189b50d902SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
199b50d902SRodney W. Grimes  *    without specific prior written permission.
209b50d902SRodney W. Grimes  *
219b50d902SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
229b50d902SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
239b50d902SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
249b50d902SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
259b50d902SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
269b50d902SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
279b50d902SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
289b50d902SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
299b50d902SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
309b50d902SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
319b50d902SRodney W. Grimes  * SUCH DAMAGE.
329b50d902SRodney W. Grimes  */
339b50d902SRodney W. Grimes 
349b50d902SRodney W. Grimes #ifndef lint
350c3a8314SMike Heffner #if 0
369b50d902SRodney W. Grimes static char sccsid[] = "@(#)getname.c	8.1 (Berkeley) 6/6/93";
370c3a8314SMike Heffner #endif
380c3a8314SMike Heffner static const char rcsid[] =
390c3a8314SMike Heffner   "$FreeBSD$";
409b50d902SRodney W. Grimes #endif /* not lint */
419b50d902SRodney W. Grimes 
429b50d902SRodney W. Grimes #include "rcv.h"
439b50d902SRodney W. Grimes #include <pwd.h>
449b50d902SRodney W. Grimes #include "extern.h"
459b50d902SRodney W. Grimes 
469b50d902SRodney W. Grimes /* Getname / getuserid for those with hashed passwd data base). */
479b50d902SRodney W. Grimes 
489b50d902SRodney W. Grimes /*
499ce73e90SMike Heffner  * Search the passwd file for a uid. Return name on success, NULL on failure.
509b50d902SRodney W. Grimes  */
519b50d902SRodney W. Grimes char *
529b50d902SRodney W. Grimes getname(uid)
539b50d902SRodney W. Grimes 	int uid;
549b50d902SRodney W. Grimes {
559b50d902SRodney W. Grimes 	struct passwd *pw;
569b50d902SRodney W. Grimes 
579b50d902SRodney W. Grimes 	if ((pw = getpwuid(uid)) == NULL)
589ce73e90SMike Heffner 		return (NULL);
599ce73e90SMike Heffner 	return (pw->pw_name);
609b50d902SRodney W. Grimes }
619b50d902SRodney W. Grimes 
629b50d902SRodney W. Grimes /*
639b50d902SRodney W. Grimes  * Convert the passed name to a user id and return it.  Return -1
649b50d902SRodney W. Grimes  * on error.
659b50d902SRodney W. Grimes  */
669b50d902SRodney W. Grimes int
679b50d902SRodney W. Grimes getuserid(name)
689b50d902SRodney W. Grimes 	char name[];
699b50d902SRodney W. Grimes {
709b50d902SRodney W. Grimes 	struct passwd *pw;
719b50d902SRodney W. Grimes 
729b50d902SRodney W. Grimes 	if ((pw = getpwnam(name)) == NULL)
739ce73e90SMike Heffner 		return (-1);
749ce73e90SMike Heffner 	return (pw->pw_uid);
759b50d902SRodney W. Grimes }
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