91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/*
|
|
* Copyright 1991, 1993, Julianne Frances Haugh and Chip Rosenthal
|
|
* 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: hushed.c,v 1.3 1997/12/07 23:27:05 marekm Exp $")
|
|
|
|
#include <sys/types.h>
|
|
#include <stdio.h>
|
|
#include "defines.h"
|
|
#include "prototypes.h"
|
|
#include "getdef.h"
|
|
#include <pwd.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.
|
|
*/
|
|
|
|
int
|
|
hushed(const struct passwd *pw)
|
|
{
|
|
char *hushfile;
|
|
char buf[BUFSIZ];
|
|
int found;
|
|
FILE *fp;
|
|
|
|
/*
|
|
* Get the name of the file to use. If this option is not
|
|
* defined, default to a noisy login.
|
|
*/
|
|
|
|
if ( (hushfile=getdef_str("HUSHLOGIN_FILE")) == NULL )
|
|
return 0;
|
|
|
|
/*
|
|
* If this is not a fully rooted path then see if the
|
|
* file exists in the user's home directory.
|
|
*/
|
|
|
|
if (hushfile[0] != '/') {
|
|
strcat(strcat(strcpy(buf, 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 is in there.
|
|
*/
|
|
|
|
if ((fp = fopen(hushfile, "r")) == NULL)
|
|
return 0;
|
|
|
|
for (found = 0;! found && fgets (buf, sizeof buf, fp);) {
|
|
buf[strlen (buf) - 1] = '\0';
|
|
found = ! strcmp (buf,
|
|
buf[0] == '/' ? pw->pw_shell:pw->pw_name);
|
|
}
|
|
(void) fclose(fp);
|
|
return found;
|
|
}
|