1 /* $OpenBSD: temp.c,v 1.18 2018/09/16 02:38:57 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 #include "rcv.h"
34 #include <pwd.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 tmpdir = _PATH_TMP;
51 if ((tmpdir = strdup(tmpdir)) == NULL)
52 err(1, "strdup");
53
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 uid_t uid;
67
68 if (uid_from_user(myname, &uid) == -1)
69 errx(1, "\"%s\" is not a user of this system", myname);
70 } else {
71 if ((myname = username()) == NULL) {
72 myname = "nobody";
73 if (rcvmode)
74 exit(1);
75 } else
76 myname = savestr(myname);
77 }
78 if ((cp = getenv("HOME")) == NULL || *cp == '\0' ||
79 strlen(cp) >= PATHSIZE)
80 homedir = NULL;
81 else
82 homedir = savestr(cp);
83 if (debug)
84 printf("user = %s, homedir = %s\n", myname,
85 homedir ? homedir : "NONE");
86 }
87