1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include "rcv.h" 33 #include "extern.h" 34 35 /* 36 * Mail -- a mail program 37 * 38 * Give names to all the temporary files that we will need. 39 */ 40 41 char *tmpdir; 42 43 void 44 tinit(void) 45 { 46 char *cp; 47 48 if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0') 49 tmpdir = _PATH_TMP; 50 if ((tmpdir = strdup(tmpdir)) == NULL) 51 errx(1, "Out of memory"); 52 /* Strip trailing '/' if necessary */ 53 cp = tmpdir + strlen(tmpdir) - 1; 54 while (cp > tmpdir && *cp == '/') { 55 *cp = '\0'; 56 cp--; 57 } 58 59 /* 60 * It's okay to call savestr in here because main will 61 * do a spreserve() after us. 62 */ 63 if (myname != NULL) { 64 if (getuserid(myname) < 0) 65 errx(1, "\"%s\" is not a user of this system", myname); 66 } else { 67 if ((cp = username()) == NULL) { 68 myname = "ubluit"; 69 if (rcvmode) 70 errx(1, "Who are you!?"); 71 } else 72 myname = savestr(cp); 73 } 74 if ((cp = getenv("HOME")) == NULL || *cp == '\0' || 75 strlen(cp) >= PATHSIZE) 76 homedir = NULL; 77 else 78 homedir = savestr(cp); 79 if (debug) 80 printf("user = %s, homedir = %s\n", myname, 81 homedir ? homedir : "NONE"); 82 } 83