xref: /freebsd/usr.bin/mail/v7.local.c (revision 6d8484b0d0191b66f9bfd0dfa89c06a29647f02a)
19b50d902SRodney W. Grimes /*
29b50d902SRodney W. Grimes  * Copyright (c) 1980, 1993
39b50d902SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
49b50d902SRodney W. Grimes  *
59b50d902SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
69b50d902SRodney W. Grimes  * modification, are permitted provided that the following conditions
79b50d902SRodney W. Grimes  * are met:
89b50d902SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
99b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
109b50d902SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
119b50d902SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
129b50d902SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
139b50d902SRodney W. Grimes  * 4. Neither the name of the University nor the names of its contributors
149b50d902SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
159b50d902SRodney W. Grimes  *    without specific prior written permission.
169b50d902SRodney W. Grimes  *
179b50d902SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
189b50d902SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199b50d902SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
209b50d902SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
219b50d902SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
229b50d902SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
239b50d902SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
249b50d902SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
259b50d902SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
269b50d902SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
279b50d902SRodney W. Grimes  * SUCH DAMAGE.
289b50d902SRodney W. Grimes  */
299b50d902SRodney W. Grimes 
309b50d902SRodney W. Grimes #ifndef lint
310c3a8314SMike Heffner #if 0
329b50d902SRodney W. Grimes static char sccsid[] = "@(#)v7.local.c	8.1 (Berkeley) 6/6/93";
330c3a8314SMike Heffner #endif
349b50d902SRodney W. Grimes #endif /* not lint */
35e026a48cSDavid E. O'Brien #include <sys/cdefs.h>
36e026a48cSDavid E. O'Brien __FBSDID("$FreeBSD$");
379b50d902SRodney W. Grimes 
389b50d902SRodney W. Grimes /*
399b50d902SRodney W. Grimes  * Mail -- a mail program
409b50d902SRodney W. Grimes  *
419b50d902SRodney W. Grimes  * Version 7
429b50d902SRodney W. Grimes  *
439b50d902SRodney W. Grimes  * Local routines that are installation dependent.
449b50d902SRodney W. Grimes  */
459b50d902SRodney W. Grimes 
469b50d902SRodney W. Grimes #include "rcv.h"
479b50d902SRodney W. Grimes #include <fcntl.h>
489b50d902SRodney W. Grimes #include "extern.h"
499b50d902SRodney W. Grimes 
509b50d902SRodney W. Grimes /*
519b50d902SRodney W. Grimes  * Locate the user's mailbox file (ie, the place where new, unread
529b50d902SRodney W. Grimes  * mail is queued).
539b50d902SRodney W. Grimes  */
549b50d902SRodney W. Grimes void
55*6d8484b0SPhilippe Charnier findmail(char *user, char *buf, int buflen)
569b50d902SRodney W. Grimes {
57d34dd133SJordan K. Hubbard 	char *tmp = getenv("MAIL");
58d34dd133SJordan K. Hubbard 
59d34dd133SJordan K. Hubbard 	if (tmp == NULL)
600c3a8314SMike Heffner 		(void)snprintf(buf, buflen, "%s/%s", _PATH_MAILDIR, user);
61d34dd133SJordan K. Hubbard 	else
620c3a8314SMike Heffner 		(void)strlcpy(buf, tmp, buflen);
639b50d902SRodney W. Grimes }
649b50d902SRodney W. Grimes 
659b50d902SRodney W. Grimes /*
669b50d902SRodney W. Grimes  * Get rid of the queued mail.
679b50d902SRodney W. Grimes  */
689b50d902SRodney W. Grimes void
69*6d8484b0SPhilippe Charnier demail(void)
709b50d902SRodney W. Grimes {
719b50d902SRodney W. Grimes 
729ce73e90SMike Heffner 	if (value("keep") != NULL || rm(mailname) < 0)
739ce73e90SMike Heffner 		(void)close(open(mailname, O_CREAT | O_TRUNC | O_WRONLY, 0600));
749b50d902SRodney W. Grimes }
759b50d902SRodney W. Grimes 
769b50d902SRodney W. Grimes /*
779b50d902SRodney W. Grimes  * Discover user login name.
789b50d902SRodney W. Grimes  */
799b50d902SRodney W. Grimes char *
80*6d8484b0SPhilippe Charnier username(void)
819b50d902SRodney W. Grimes {
829b50d902SRodney W. Grimes 	char *np;
830c3a8314SMike Heffner 	uid_t uid;
849b50d902SRodney W. Grimes 
859ce73e90SMike Heffner 	if ((np = getenv("USER")) != NULL)
869ce73e90SMike Heffner 		return (np);
879ce73e90SMike Heffner 	if ((np = getenv("LOGNAME")) != NULL)
889ce73e90SMike Heffner 		return (np);
899ce73e90SMike Heffner 	if ((np = getname(uid = getuid())) != NULL)
909ce73e90SMike Heffner 		return (np);
910c3a8314SMike Heffner 	printf("Cannot associate a name with uid %u\n", (unsigned)uid);
929ce73e90SMike Heffner 	return (NULL);
939b50d902SRodney W. Grimes }
94