getname.c revision 1.1.1.1 1 1.1 cgd /*
2 1.1 cgd * Copyright (c) 1980 Regents of the University of California.
3 1.1 cgd * All rights reserved.
4 1.1 cgd *
5 1.1 cgd * Redistribution and use in source and binary forms, with or without
6 1.1 cgd * modification, are permitted provided that the following conditions
7 1.1 cgd * are met:
8 1.1 cgd * 1. Redistributions of source code must retain the above copyright
9 1.1 cgd * notice, this list of conditions and the following disclaimer.
10 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
11 1.1 cgd * notice, this list of conditions and the following disclaimer in the
12 1.1 cgd * documentation and/or other materials provided with the distribution.
13 1.1 cgd * 3. All advertising materials mentioning features or use of this software
14 1.1 cgd * must display the following acknowledgement:
15 1.1 cgd * This product includes software developed by the University of
16 1.1 cgd * California, Berkeley and its contributors.
17 1.1 cgd * 4. Neither the name of the University nor the names of its contributors
18 1.1 cgd * may be used to endorse or promote products derived from this software
19 1.1 cgd * without specific prior written permission.
20 1.1 cgd *
21 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 1.1 cgd * SUCH DAMAGE.
32 1.1 cgd */
33 1.1 cgd
34 1.1 cgd #ifndef lint
35 1.1 cgd static char sccsid[] = "@(#)getname.c 5.8 (Berkeley) 6/1/90";
36 1.1 cgd #endif /* not lint */
37 1.1 cgd
38 1.1 cgd #include <sys/types.h>
39 1.1 cgd #include <pwd.h>
40 1.1 cgd
41 1.1 cgd /*
42 1.1 cgd * Getname / getuserid for those with
43 1.1 cgd * hashed passwd data base).
44 1.1 cgd *
45 1.1 cgd */
46 1.1 cgd
47 1.1 cgd #include "rcv.h"
48 1.1 cgd
49 1.1 cgd /*
50 1.1 cgd * Search the passwd file for a uid. Return name through ref parameter
51 1.1 cgd * if found, indicating success with 0 return. Return -1 on error.
52 1.1 cgd */
53 1.1 cgd char *
54 1.1 cgd getname(uid)
55 1.1 cgd {
56 1.1 cgd struct passwd *pw;
57 1.1 cgd
58 1.1 cgd if ((pw = getpwuid(uid)) == NULL)
59 1.1 cgd return NOSTR;
60 1.1 cgd return pw->pw_name;
61 1.1 cgd }
62 1.1 cgd
63 1.1 cgd /*
64 1.1 cgd * Convert the passed name to a user id and return it. Return -1
65 1.1 cgd * on error.
66 1.1 cgd */
67 1.1 cgd getuserid(name)
68 1.1 cgd char name[];
69 1.1 cgd {
70 1.1 cgd struct passwd *pw;
71 1.1 cgd
72 1.1 cgd if ((pw = getpwnam(name)) == NULL)
73 1.1 cgd return -1;
74 1.1 cgd return pw->pw_uid;
75 1.1 cgd }
76