101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/* $NetBSD: v7.local.c,v 1.18 2006/11/28 18:45:32 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1980, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)v7.local.c 8.1 (Berkeley) 6/6/93";
|
|
#else
|
|
__RCSID("$NetBSD: v7.local.c,v 1.18 2006/11/28 18:45:32 christos Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* Mail -- a mail program
|
|
*
|
|
* Version 7
|
|
*
|
|
* Local routines that are installation dependent.
|
|
*/
|
|
|
|
#include "rcv.h"
|
|
#include "extern.h"
|
|
|
|
/*
|
|
* Locate the user's mailbox file (ie, the place where new, unread
|
|
* mail is queued).
|
|
*/
|
|
PUBLIC void
|
|
findmail(const char *user, char *buf, size_t bufsize)
|
|
{
|
|
char *mbox;
|
|
|
|
if (!(mbox = getenv("MAIL")))
|
|
(void)snprintf(buf, bufsize, "%s/%s", _PATH_MAILDIR, user);
|
|
else
|
|
(void)strlcpy(buf, mbox, bufsize);
|
|
}
|
|
|
|
/*
|
|
* Get rid of the queued mail.
|
|
*/
|
|
PUBLIC void
|
|
demail(void)
|
|
{
|
|
|
|
int fd;
|
|
/*
|
|
* Do not remove the spool file, just truncate it to zero
|
|
* bytes if possible, since we wouldn't preserve
|
|
* owner/permissions otherwise.
|
|
*/
|
|
if (value(ENAME_KEEP) != NULL || truncate(mailname, (off_t)0) < 0)
|
|
if ((fd = creat(mailname, 0600)) != -1)
|
|
(void)close(fd);
|
|
}
|
|
|
|
/*
|
|
* Discover user login name.
|
|
*/
|
|
PUBLIC const char *
|
|
username(void)
|
|
{
|
|
const char *np;
|
|
uid_t uid;
|
|
|
|
if ((np = getenv("USER")) != NULL)
|
|
return np;
|
|
if ((np = getname(uid = getuid())) != NULL)
|
|
return np;
|
|
(void)printf("Cannot associate a name with uid %u\n", (unsigned)uid);
|
|
return NULL;
|
|
}
|