c7302b61ef
Files with no license use the default 3-clauses BSD license. The copyright were mostly not recorded; they were updated according to the Changelog. "Julianne Frances Haugh and contributors" changed to "copyright holders and contributors".
66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 1996 - 1997, Marek Michałkiewicz
|
|
* Copyright (c) 2003 - 2005, Tomasz Kłoczko
|
|
* Copyright (c) 2007 , 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.
|
|
*/
|
|
|
|
/*
|
|
* myname.c - determine the current username and get the passwd entry
|
|
*
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#ident "$Id$"
|
|
|
|
#include "defines.h"
|
|
#include <pwd.h>
|
|
#include "prototypes.h"
|
|
struct passwd *get_my_pwent (void)
|
|
{
|
|
struct passwd *pw;
|
|
const char *cp = getlogin ();
|
|
uid_t ruid = getuid ();
|
|
|
|
/*
|
|
* Try getlogin() first - if it fails or returns a non-existent
|
|
* username, or a username which doesn't match the real UID, fall
|
|
* back to getpwuid(getuid()). This should work reasonably with
|
|
* usernames longer than the utmp limit (8 characters), as well as
|
|
* shared UIDs - but not both at the same time...
|
|
*
|
|
* XXX - when running from su, will return the current user (not
|
|
* the original user, like getlogin() does). Does this matter?
|
|
*/
|
|
if (cp && *cp && (pw = xgetpwnam (cp)) && pw->pw_uid == ruid)
|
|
return pw;
|
|
|
|
return xgetpwuid (ruid);
|
|
}
|
|
|