Annotation of src/usr.bin/mail/v7.local.c, Revision 1.5
1.5 ! dm 1: /* $OpenBSD: v7.local.c,v 1.4 1997/05/30 08:51:45 deraadt Exp $ */
1.2 deraadt 2: /* $NetBSD: v7.local.c,v 1.7 1996/06/08 19:48:44 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.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
1.2 deraadt 38: #if 0
39: static char sccsid[] = "@(#)v7.local.c 8.1 (Berkeley) 6/6/93";
40: #else
1.5 ! dm 41: static char rcsid[] = "$OpenBSD: v7.local.c,v 1.4 1997/05/30 08:51:45 deraadt Exp $";
1.2 deraadt 42: #endif
1.1 deraadt 43: #endif /* not lint */
44:
45: /*
46: * Mail -- a mail program
47: *
48: * Version 7
49: *
50: * Local routines that are installation dependent.
51: */
52:
53: #include "rcv.h"
54: #include <stdlib.h>
55: #include <fcntl.h>
56: #include "extern.h"
57:
58: /*
59: * Locate the user's mailbox file (ie, the place where new, unread
60: * mail is queued).
61: */
62: void
1.4 deraadt 63: findmail(user, buf, buflen)
1.1 deraadt 64: char *user, *buf;
1.4 deraadt 65: int buflen;
1.1 deraadt 66: {
67: char *mbox;
68:
69: if (!(mbox = getenv("MAIL")))
1.4 deraadt 70: (void)snprintf(buf, sizeof buf, "%s/%s", _PATH_MAILDIR, user);
71: else {
1.5 ! dm 72: (void)strncpy(buf, mbox, buflen - 1);
! 73: buf[buflen - 1] = '\0';
1.4 deraadt 74: }
1.1 deraadt 75: }
76:
77: /*
78: * Get rid of the queued mail.
79: */
80: void
81: demail()
82: {
83:
84: if (value("keep") != NOSTR || rm(mailname) < 0)
85: close(creat(mailname, 0600));
86: }
87:
88: /*
89: * Discover user login name.
90: */
91: char *
92: username()
93: {
94: char *np;
1.2 deraadt 95: uid_t uid;
1.1 deraadt 96:
97: if ((np = getenv("USER")) != NOSTR)
1.3 millert 98: return np;
99: if ((np = getenv("LOGNAME")) != NOSTR)
1.1 deraadt 100: return np;
1.2 deraadt 101: if ((np = getname(uid = getuid())) != NOSTR)
102: return np;
1.4 deraadt 103: printf("Cannot associate a name with uid %u\n", (unsigned)uid);
1.2 deraadt 104: return NOSTR;
1.1 deraadt 105: }