1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1980, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #ifndef lint
33 #if 0
34 static char sccsid[] = "@(#)temp.c 8.1 (Berkeley) 6/6/93";
35 #endif
36 #endif /* not lint */
37 #include <sys/cdefs.h>
38 #include "rcv.h"
39 #include "extern.h"
40
41 /*
42 * Mail -- a mail program
43 *
44 * Give names to all the temporary files that we will need.
45 */
46
47 char *tmpdir;
48
49 void
tinit(void)50 tinit(void)
51 {
52 char *cp;
53
54 if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
55 tmpdir = _PATH_TMP;
56 if ((tmpdir = strdup(tmpdir)) == NULL)
57 errx(1, "Out of memory");
58 /* Strip trailing '/' if necessary */
59 cp = tmpdir + strlen(tmpdir) - 1;
60 while (cp > tmpdir && *cp == '/') {
61 *cp = '\0';
62 cp--;
63 }
64
65 /*
66 * It's okay to call savestr in here because main will
67 * do a spreserve() after us.
68 */
69 if (myname != NULL) {
70 if (getuserid(myname) < 0)
71 errx(1, "\"%s\" is not a user of this system", myname);
72 } else {
73 if ((cp = username()) == NULL) {
74 myname = "ubluit";
75 if (rcvmode)
76 errx(1, "Who are you!?");
77 } else
78 myname = savestr(cp);
79 }
80 if ((cp = getenv("HOME")) == NULL || *cp == '\0' ||
81 strlen(cp) >= PATHSIZE)
82 homedir = NULL;
83 else
84 homedir = savestr(cp);
85 if (debug)
86 printf("user = %s, homedir = %s\n", myname,
87 homedir ? homedir : "NONE");
88 }
89