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 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