Importing usr.bin/from

This commit is contained in:
Thomas Cort 2013-03-22 20:05:41 +00:00 committed by Lionel Sambuc
parent 66601c7f92
commit 1d4c0ebe0f
6 changed files with 246 additions and 1 deletions

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@ -280,6 +280,7 @@
./usr/bin/fold minix-sys
./usr/bin/format minix-sys
./usr/bin/fortune minix-sys
./usr/bin/from minix-sys
./usr/bin/fstat minix-sys
./usr/bin/ftp minix-sys
./usr/bin/gcore minix-sys
@ -1262,6 +1263,7 @@
./usr/man/man1/for.1 minix-sys
./usr/man/man1/format.1 minix-sys
./usr/man/man1/fortune.1 minix-sys
./usr/man/man1/from.1 minix-sys
./usr/man/man1/fsck.mfs.1 minix-sys
./usr/man/man1/ftp.1 minix-sys
./usr/man/man1/genassym.1 minix-sys

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@ -130,6 +130,7 @@
2012/10/17 12:00:00,usr.bin/col
2012/10/17 12:00:00,usr.bin/ctags
2011/09/01 13:37:33,usr.bin/du
2013/03/22 12:00:00,usr.bin/from
2013/03/18 12:00:00,usr.bin/head
2012/10/17 12:00:00,usr.bin/genassym
2013/03/09 12:00:00,usr.bin/getopt

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@ -10,7 +10,7 @@ SUBDIR= \
col ctags \
du \
\
\
from \
genassym getopt head \
indent infocmp join \
ldd \

8
usr.bin/from/Makefile Normal file
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@ -0,0 +1,8 @@
# @(#)Makefile 8.1 (Berkeley) 6/6/93
# $NetBSD: Makefile,v 1.4 2007/05/28 12:06:26 tls Exp $
USE_FORT?=yes # data-driven bugs?
PROG= from
.include <bsd.prog.mk>

81
usr.bin/from/from.1 Normal file
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@ -0,0 +1,81 @@
.\" $NetBSD: from.1,v 1.8 2003/08/07 11:13:49 agc Exp $
.\"
.\" Copyright (c) 1980, 1990, 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.
.\"
.\" @(#)from.1 8.2 (Berkeley) 12/30/93
.\"
.Dd December 30, 1993
.Dt FROM 1
.Os
.Sh NAME
.Nm from
.Nd print names of those who have sent mail
.Sh SYNOPSIS
.Nm
.Op Fl s Ar sender
.Op Fl f Ar file
.Op Ar user
.Sh DESCRIPTION
.Nm
prints
out the mail header lines from the invoker's mailbox.
.Pp
Options:
.Bl -tag -width Fl
.It Fl f Ar file
The supplied file
is examined instead of the invoker's mailbox.
If the
.Fl f
option is used, the
.Ar user
argument should not be used.
.It Fl s Ar sender
Only mail from addresses containing
the
supplied string are printed.
.El
.Pp
If
.Ar user
is given, the
.Ar user Ns 's
mailbox, is examined instead of the invoker's own mailbox.
(Privileges are required.)
.Sh FILES
.Bl -tag -width /var/mail/* -compact
.It Pa /var/mail/*
.El
.Sh SEE ALSO
.Xr biff 1 ,
.Xr mail 1
.Sh HISTORY
The
.Nm
command appeared in
.Bx 3.0 .

153
usr.bin/from/from.c Normal file
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@ -0,0 +1,153 @@
/* $NetBSD: from.c,v 1.17 2008/07/21 14:19:22 lukem Exp $ */
/*
* Copyright (c) 1980, 1988, 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
__COPYRIGHT("@(#) Copyright (c) 1980, 1988, 1993\
The Regents of the University of California. All rights reserved.");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)from.c 8.1 (Berkeley) 6/6/93";
#endif
__RCSID("$NetBSD: from.c,v 1.17 2008/07/21 14:19:22 lukem Exp $");
#endif /* not lint */
#include <sys/types.h>
#include <ctype.h>
#include <err.h>
#include <paths.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int main (int, char **);
int match (const char *, const char *);
int
main(int argc, char **argv)
{
struct passwd *pwd;
int ch, newline;
char *file, *sender, *p;
#if MAXPATHLEN > BUFSIZ
char buf[MAXPATHLEN];
#else
char buf[BUFSIZ];
#endif
file = sender = NULL;
while ((ch = getopt(argc, argv, "f:s:")) != -1)
switch((char)ch) {
case 'f':
file = optarg;
break;
case 's':
sender = optarg;
for (p = sender; *p; ++p)
*p = tolower((unsigned char)*p);
break;
default:
fprintf(stderr, "usage: from [-f file] [-s sender] [user]\n");
exit(1);
}
argv += optind;
/*
* We find the mailbox by:
* 1 -f flag
* 2 user
* 2 MAIL environment variable
* 3 _PATH_MAILDIR/file
*/
if (!file) {
if (!(file = *argv)) {
if (!(file = getenv("MAIL"))) {
if (!(pwd = getpwuid(getuid())))
errx(1, "no password file entry for you");
if ((file = getenv("LOGNAME")) != NULL ||
(file = getenv("USER")) != NULL) {
(void)snprintf(buf, sizeof(buf),
"%s/%s", _PATH_MAILDIR, file);
file = buf;
} else
(void)snprintf(file = buf, sizeof(buf),
"%s/%s",
_PATH_MAILDIR, pwd->pw_name);
}
} else {
(void)snprintf(buf, sizeof(buf), "%s/%s",
_PATH_MAILDIR, file);
file = buf;
}
}
if (!freopen(file, "r", stdin))
err(1, "can't read %s", file);
for (newline = 1; fgets(buf, sizeof(buf), stdin);) {
if (*buf == '\n') {
newline = 1;
continue;
}
if (newline && !strncmp(buf, "From ", 5) &&
(!sender || match(buf + 5, sender)))
printf("%s", buf);
newline = 0;
}
exit(0);
}
int
match(const char *line, const char *sender)
{
char ch, pch, first;
const char *p, *t;
for (first = *sender++;;) {
if (isspace((unsigned char)(ch = *line)))
return(0);
++line;
ch = tolower((unsigned char)ch);
if (ch != first)
continue;
for (p = sender, t = line;;) {
if (!(pch = *p++))
return(1);
ch = tolower((unsigned char)*t++);
if (ch != pch)
break;
}
}
/* NOTREACHED */
}