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Annotation of src/usr.bin/mail/getname.c, Revision 1.7

1.7     ! millert     1: /*     $OpenBSD: getname.c,v 1.6 2002/10/07 22:45:37 vincent Exp $     */
1.2       deraadt     2: /*     $NetBSD: getname.c,v 1.4 1996/06/08 19:48:23 christos Exp $     */
                      3:
1.1       deraadt     4: /*
                      5:  * Copyright (c) 1980, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
1.7     ! millert    16:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  */
                     32:
                     33: #ifndef lint
1.2       deraadt    34: #if 0
1.5       millert    35: static const char sccsid[] = "@(#)getname.c    8.1 (Berkeley) 6/6/93";
1.2       deraadt    36: #else
1.7     ! millert    37: static const char rcsid[] = "$OpenBSD: getname.c,v 1.6 2002/10/07 22:45:37 vincent Exp $";
1.2       deraadt    38: #endif
1.1       deraadt    39: #endif /* not lint */
                     40:
                     41: #include "rcv.h"
                     42: #include <pwd.h>
                     43: #include "extern.h"
                     44:
1.6       vincent    45: /* Getname / getuserid for those with hashed passwd data base. */
1.1       deraadt    46:
                     47: /*
1.4       millert    48:  * Search the passwd file for a uid.  Return name on success, NULL on failure
1.1       deraadt    49:  */
                     50: char *
1.5       millert    51: getname(uid_t uid)
1.1       deraadt    52: {
                     53:        struct passwd *pw;
                     54:
                     55:        if ((pw = getpwuid(uid)) == NULL)
1.4       millert    56:                return(NULL);
1.3       millert    57:        return(pw->pw_name);
1.1       deraadt    58: }
                     59:
                     60: /*
                     61:  * Convert the passed name to a user id and return it.  Return -1
                     62:  * on error.
                     63:  */
1.5       millert    64: uid_t
                     65: getuserid(char *name)
1.1       deraadt    66: {
                     67:        struct passwd *pw;
                     68:
                     69:        if ((pw = getpwnam(name)) == NULL)
1.5       millert    70:                return(UID_MAX);
1.3       millert    71:        return(pw->pw_uid);
1.1       deraadt    72: }