shadow/libmisc/motd.c

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/*
* Copyright (c) 1989 - 1991, Julianne Frances Haugh
* Copyright (c) 1996 - 1997, Marek Michałkiewicz
* Copyright (c) 2003 - 2005, Tomasz Kłoczko
* Copyright (c) 2010 , Nicolas François
* 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. The name of the copyright holders or contributors may not be used to
* endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* HOLDERS 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.
*/
2021-08-18 23:36:02 +05:30
#include <config.h>
#ident "$Id$"
#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;
const char *motdfile;
char *mb;
register int c;
motdfile = getdef_str ("MOTD_FILE");
if (NULL == motdfile) {
return;
}
motdlist = xstrdup (motdfile);
for (mb = motdlist; ;mb = NULL) {
motdfile = strtok (mb, ":");
if (NULL == motdfile) {
break;
}
fp = fopen (motdfile, "r");
if (NULL != fp) {
while ((c = getc (fp)) != EOF) {
putchar (c);
}
fclose (fp);
}
}
fflush (stdout);
free (motdlist);
}