GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/mail/v7.local.c Lines: 0 19 0.0 %
Date: 2016-12-06 Branches: 0 24 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: v7.local.c,v 1.17 2016/07/19 06:43:27 deraadt Exp $	*/
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/*	$NetBSD: v7.local.c,v 1.8 1997/05/13 06:15:58 mikel Exp $	*/
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/*
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 * Copyright (c) 1980, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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/*
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 * Mail -- a mail program
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 *
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 * Version 7
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 *
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 * Local routines that are installation dependent.
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 */
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#include "rcv.h"
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#include <stdlib.h>
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#include <fcntl.h>
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#include "extern.h"
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/*
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 * Locate the user's mailbox file (ie, the place where new, unread
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 * mail is queued).
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 */
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void
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findmail(char *user, char *buf, int buflen)
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{
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	char *mbox;
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	struct stat sb;
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	/* Ignore $MAIL if it is not owned by the invoking user */
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	if ((mbox = getenv("MAIL")) && stat(mbox, &sb) == 0 &&
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	    sb.st_uid != getuid() && sb.st_uid != geteuid())
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		mbox = NULL;
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	if (mbox)
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		(void)strlcpy(buf, mbox, buflen);
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	else
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		(void)snprintf(buf, buflen, "%s/%s", _PATH_MAILDIR, user);
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}
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/*
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 * Get rid of the queued mail.
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 */
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void
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demail(void)
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{
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	int fd;
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	if (value("keep") != NULL || rm(mailname) < 0) {
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		fd = open(mailname, O_CREAT | O_TRUNC | O_WRONLY, 0600);
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		if (fd != -1)
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			close(fd);
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	}
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}
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/*
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 * Discover user login name.
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 */
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char *
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username(void)
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{
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	char *np;
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	uid_t uid;
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	if ((np = getenv("USER")) != NULL)
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		return(np);
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	if ((np = getenv("LOGNAME")) != NULL)
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		return(np);
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	if ((np = getname(uid = getuid())) != NULL)
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		return(np);
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	if ((np = getlogin()) != NULL)
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		return(np);
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	printf("Cannot associate a name with uid %u\n", (unsigned)uid);
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	return(NULL);
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}