shadow/libmisc/motd.c

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/*
* Copyright 1989 - 1991, Julianne Frances Haugh
* 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 Julianne F. Haugh 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 JULIE HAUGH 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 JULIE HAUGH 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 <config.h>
#include "rcsid.h"
RCSID ("$Id: motd.c,v 1.5 2005/03/31 05:14:50 kloczek Exp $")
#include <stdio.h>
#include "prototypes.h"
#include "defines.h"
#include "getdef.h"
/*
* motd -- output the /etc/motd file
*
* motd() determines the name of a login announcement file and outputs
* it to the user's terminal at login time. The MOTD_FILE configuration
* option is a colon-delimited list of filenames.
*/
void motd (void)
{
FILE *fp;
char motdlist[BUFSIZ], *motdfile, *mb;
register int c;
if ((mb = getdef_str ("MOTD_FILE")) == NULL)
return;
strncpy (motdlist, mb, sizeof (motdlist));
motdlist[sizeof (motdlist) - 1] = '\0';
for (mb = motdlist; (motdfile = strtok (mb, ":")) != NULL; mb = NULL) {
if ((fp = fopen (motdfile, "r")) != NULL) {
while ((c = getc (fp)) != EOF)
putchar (c);
fclose (fp);
}
}
fflush (stdout);
}