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 * @(#)temp.c 8.1 (Berkeley) 6/6/93 34 * $FreeBSD: src/usr.bin/mail/temp.c,v 1.6.2.3 2003/01/06 05:46:04 mikeh Exp $ 35 * $DragonFly: src/usr.bin/mail/temp.c,v 1.3 2003/10/04 20:36:48 hmp Exp $ 36 */ 37 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 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