1 /* $NetBSD: v7.local.c,v 1.8 1997/05/13 06:15:58 mikel Exp $ */ 2 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)v7.local.c 8.1 (Berkeley) 6/6/93"; 39 #else 40 static char rcsid[] = "$NetBSD: v7.local.c,v 1.8 1997/05/13 06:15:58 mikel Exp $"; 41 #endif 42 #endif /* not lint */ 43 44 /* 45 * Mail -- a mail program 46 * 47 * Version 7 48 * 49 * Local routines that are installation dependent. 50 */ 51 52 #include "rcv.h" 53 #include <stdlib.h> 54 #include <fcntl.h> 55 #include "extern.h" 56 57 /* 58 * Locate the user's mailbox file (ie, the place where new, unread 59 * mail is queued). 60 */ 61 void 62 findmail(user, buf) 63 char *user, *buf; 64 { 65 char *mbox; 66 67 if (!(mbox = getenv("MAIL"))) 68 (void)snprintf(buf, PATHSIZE, "%s/%s", _PATH_MAILDIR, user); 69 else { 70 (void)strncpy(buf, mbox, PATHSIZE - 1); 71 buf[PATHSIZE - 1] = '\0'; 72 } 73 } 74 75 /* 76 * Get rid of the queued mail. 77 */ 78 void 79 demail() 80 { 81 82 if (value("keep") != NOSTR || rm(mailname) < 0) 83 (void)close(creat(mailname, 0600)); 84 } 85 86 /* 87 * Discover user login name. 88 */ 89 char * 90 username() 91 { 92 char *np; 93 uid_t uid; 94 95 if ((np = getenv("USER")) != NOSTR) 96 return np; 97 if ((np = getname(uid = getuid())) != NOSTR) 98 return np; 99 printf("Cannot associate a name with uid %u\n", (unsigned)uid); 100 return NOSTR; 101 } 102