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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#ifndef lint 35#if 0 36static char sccsid[] = "@(#)temp.c 8.1 (Berkeley) 6/6/93"; 37#endif 38static const char rcsid[] = 39 "$FreeBSD: src/usr.bin/mail/temp.c,v 1.9 2002/06/30 05:25:06 obrien Exp $"; 40#endif /* not lint */ 41 42#include <sys/cdefs.h> 43 44#include "rcv.h" 45#include "extern.h" 46 47/* 48 * Mail -- a mail program 49 * 50 * Give names to all the temporary files that we will need. 51 */ 52 53char *tmpdir; 54 55void 56tinit() 57{ 58 char *cp; 59 60 if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0') 61 tmpdir = _PATH_TMP; 62 if ((tmpdir = strdup(tmpdir)) == NULL) 63 errx(1, "Out of memory"); 64 /* Strip trailing '/' if necessary */ 65 cp = tmpdir + strlen(tmpdir) - 1; 66 while (cp > tmpdir && *cp == '/') { 67 *cp = '\0'; 68 cp--; 69 } 70 71 /* 72 * It's okay to call savestr in here because main will 73 * do a spreserve() after us. 74 */ 75 if (myname != NULL) { 76 if (getuserid(myname) < 0) 77 errx(1, "\"%s\" is not a user of this system", myname); 78 } else { 79 if ((cp = username()) == NULL) { 80 myname = "ubluit"; 81 if (rcvmode) 82 errx(1, "Who are you!?"); 83 } else 84 myname = savestr(cp); 85 } 86 if ((cp = getenv("HOME")) == NULL || *cp == '\0' || 87 strlen(cp) >= PATHSIZE) 88 homedir = NULL; 89 else 90 homedir = savestr(cp); 91 if (debug) 92 fprintf(stderr, "user = %s, homedir = %s\n", myname, 93 homedir ? homedir : "NONE"); 94} 95