1 /*
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)temp.c 8.1 (Berkeley) 6/6/93
30 * $FreeBSD: src/usr.bin/mail/temp.c,v 1.6.2.3 2003/01/06 05:46:04 mikeh Exp $
31 * $DragonFly: src/usr.bin/mail/temp.c,v 1.3 2003/10/04 20:36:48 hmp Exp $
32 */
33
34 #include "rcv.h"
35 #include "extern.h"
36
37 /*
38 * Mail -- a mail program
39 *
40 * Give names to all the temporary files that we will need.
41 */
42
43 char *tmpdir;
44
45 void
tinit(void)46 tinit(void)
47 {
48 char *cp;
49
50 if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
51 tmpdir = _PATH_TMP;
52 if ((tmpdir = strdup(tmpdir)) == NULL)
53 errx(1, "Out of memory");
54 /* Strip trailing '/' if necessary */
55 cp = tmpdir + strlen(tmpdir) - 1;
56 while (cp > tmpdir && *cp == '/') {
57 *cp = '\0';
58 cp--;
59 }
60
61 /*
62 * It's okay to call savestr in here because main will
63 * do a spreserve() after us.
64 */
65 if (myname != NULL) {
66 if (getuserid(myname) < 0)
67 errx(1, "\"%s\" is not a user of this system", myname);
68 } else {
69 if ((cp = username()) == NULL) {
70 myname = "ubluit";
71 if (rcvmode)
72 errx(1, "Who are you!?");
73 } else
74 myname = savestr(cp);
75 }
76 if ((cp = getenv("HOME")) == NULL || *cp == '\0' ||
77 strlen(cp) >= PATHSIZE)
78 homedir = NULL;
79 else
80 homedir = savestr(cp);
81 if (debug)
82 printf("user = %s, homedir = %s\n", myname,
83 homedir ? homedir : "NONE");
84 }
85