1 /* $OpenBSD: temp.c,v 1.15 2009/10/27 23:59:40 deraadt 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 "extern.h" 35 36 /* 37 * Mail -- a mail program 38 * 39 * Give names to all the temporary files that we will need. 40 */ 41 42 char *tmpdir; 43 44 void 45 tinit(void) 46 { 47 char *cp; 48 49 if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0') 50 tmpdir = _PATH_TMP; 51 if ((tmpdir = strdup(tmpdir)) == NULL) 52 errx(1, "Out of memory"); 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 if (getuserid(myname) == UID_MAX) 67 errx(1, "\"%s\" is not a user of this system", myname); 68 } else { 69 if ((cp = username()) == NULL) { 70 myname = "nobody"; 71 if (rcvmode) 72 exit(1); 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