Importing usr.bin/from

distrib/sets/lists/minix/mi

@@ -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

releasetools/nbsd_ports

@@ -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

usr.bin/Makefile

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

usr.bin/from/Makefile

@@ -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>

usr.bin/from/from.1

@@ -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 .

usr.bin/from/from.c

@@ -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 */
+}