95 lines
3.0 KiB
C
95 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 1991 - 1993, Julianne Frances Haugh
|
|
* Copyright (c) 1991 - 1993, Chip Rosenthal
|
|
* Copyright (c) 1996 - 2000, Marek Michałkiewicz
|
|
* Copyright (c) 2003 - 2005, Tomasz Kłoczko
|
|
* Copyright (c) 2008 , 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.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#ident "$Id$"
|
|
|
|
#include <sys/types.h>
|
|
#include <stdio.h>
|
|
#include <pwd.h>
|
|
#include "defines.h"
|
|
#include "prototypes.h"
|
|
#include "getdef.h"
|
|
/*
|
|
* hushed - determine if a user receives login messages
|
|
*
|
|
* Look in the hushed-logins file (or user's home directory) to see
|
|
* if the user is to receive the login-time messages.
|
|
*/
|
|
bool hushed (const struct passwd *pw)
|
|
{
|
|
char *hushfile;
|
|
char buf[BUFSIZ];
|
|
bool found;
|
|
FILE *fp;
|
|
|
|
/*
|
|
* Get the name of the file to use. If this option is not
|
|
* defined, default to a noisy login.
|
|
*/
|
|
|
|
hushfile = getdef_str ("HUSHLOGIN_FILE");
|
|
if (NULL == hushfile) {
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* If this is not a fully rooted path then see if the
|
|
* file exists in the user's home directory.
|
|
*/
|
|
|
|
if (hushfile[0] != '/') {
|
|
snprintf (buf, sizeof (buf), "%s/%s", pw->pw_dir, hushfile);
|
|
return (access (buf, F_OK) == 0);
|
|
}
|
|
|
|
/*
|
|
* If this is a fully rooted path then go through the file
|
|
* and see if this user, or its shell is in there.
|
|
*/
|
|
|
|
fp = fopen (hushfile, "r");
|
|
if (NULL == fp) {
|
|
return false;
|
|
}
|
|
for (found = false; !found && (fgets (buf, sizeof buf, fp) == buf);) {
|
|
buf[strlen (buf) - 1] = '\0';
|
|
found = (strcmp (buf, pw->pw_shell) == 0) ||
|
|
(strcmp (buf, pw->pw_name) == 0);
|
|
}
|
|
(void) fclose (fp);
|
|
return found;
|
|
}
|
|
|