1 /* $OpenBSD: temp.c,v 1.14 2003/06/03 02:56:11 millert Exp $ */
2 /* $NetBSD: temp.c,v 1.5 1996/06/08 19:48:42 christos Exp $ */
3
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. Neither the name of the University nor the names of its contributors
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
34 #if 0
35 static const char sccsid[] = "@(#)temp.c 8.1 (Berkeley) 6/6/93";
36 #else
37 static const char rcsid[] = "$OpenBSD: temp.c,v 1.14 2003/06/03 02:56:11 millert Exp $";
38 #endif
39 #endif /* not lint */
40
41 #include "rcv.h"
42 #include "extern.h"
43
44 /*
45 * Mail -- a mail program
46 *
47 * Give names to all the temporary files that we will need.
48 */
49
50 char *tmpdir;
51
52 void
tinit(void)53 tinit(void)
54 {
55 char *cp;
56
57 if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
58 tmpdir = _PATH_TMP;
59 if ((tmpdir = strdup(tmpdir)) == NULL)
60 errx(1, "Out of memory");
61
62 /* Strip trailing '/' if necessary */
63 cp = tmpdir + strlen(tmpdir) - 1;
64 while (cp > tmpdir && *cp == '/') {
65 *cp = '\0';
66 cp--;
67 }
68
69 /*
70 * It's okay to call savestr in here because main will
71 * do a spreserve() after us.
72 */
73 if (myname != NULL) {
74 if (getuserid(myname) == UID_MAX)
75 errx(1, "\"%s\" is not a user of this system", myname);
76 } else {
77 if ((cp = username()) == NULL) {
78 myname = "nobody";
79 if (rcvmode)
80 exit(1);
81 } else
82 myname = savestr(cp);
83 }
84 if ((cp = getenv("HOME")) == NULL || *cp == '\0' ||
85 strlen(cp) >= PATHSIZE)
86 homedir = NULL;
87 else
88 homedir = savestr(cp);
89 if (debug)
90 printf("user = %s, homedir = %s\n", myname,
91 homedir ? homedir : "NONE");
92 }
93