HardenedBSD/usr.bin/chpass/pw_yp.h
1997-02-22 19:58:13 +00:00

127 lines
4.2 KiB
C

/*
* Copyright (c) 1995
* Bill Paul <wpaul@ctr.columbia.edu>. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 REGENTS 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.
*
* NIS interface routines for chpass
*
* Written by Bill Paul <wpaul@ctr.columbia.edu>
* Center for Telecommunications Research
* Columbia University, New York City
*
* $Id$
*/
#ifdef YP
#include <sys/types.h>
#include <rpc/rpc.h>
#include <rpc/auth.h>
#include <rpc/auth_unix.h>
/* Four possible return codes from use_yp() */
#define USER_UNKNOWN 0
#define USER_YP_ONLY 1
#define USER_LOCAL_ONLY 2
#define USER_YP_AND_LOCAL 3
extern int force_old;
extern int _use_yp;
extern int suser_override;
extern struct passwd local_password;
extern struct passwd yp_password;
extern void copy_yp_pass __P(( char *, int, int ));
extern char *yp_domain;
extern char *yp_server;
extern void yp_submit __P(( struct passwd * ));
extern int use_yp __P(( char * , uid_t , int ));
extern char *get_yp_master __P(( int ));
extern int yp_in_pw_file;
/*
* Yucky.
*/
#define GETPWUID(X) \
_use_yp = use_yp(NULL, X, 1); \
\
if (_use_yp == USER_UNKNOWN) { \
errx(1, "unknown user: uid %u", X); \
} \
\
if (_use_yp == USER_YP_ONLY) { \
if (!force_local) { \
_use_yp = 1; \
pw = (struct passwd *)&yp_password; \
} else \
errx(1, "unknown local user: uid %u", X); \
} else if (_use_yp == USER_LOCAL_ONLY) { \
if (!force_yp) { \
_use_yp = 0; \
pw = (struct passwd *)&local_password; \
} else \
errx(1, "unknown NIS user: uid %u", X); \
} else if (_use_yp == USER_YP_AND_LOCAL) { \
if (!force_local && (force_yp || yp_in_pw_file)) { \
_use_yp = 1; \
pw = (struct passwd *)&yp_password; \
} else { \
_use_yp = 0; \
pw = (struct passwd *)&local_password; \
} \
}
#define GETPWNAM(X) \
_use_yp = use_yp(X, 0, 0); \
\
if (_use_yp == USER_UNKNOWN) { \
errx(1, "unknown user: %s", X); \
} \
\
if (_use_yp == USER_YP_ONLY) { \
if (!force_local) { \
_use_yp = 1; \
pw = (struct passwd *)&yp_password; \
} else \
errx(1, "unknown local user: %s.", X); \
} else if (_use_yp == USER_LOCAL_ONLY) { \
if (!force_yp) { \
_use_yp = 0; \
pw = (struct passwd *)&local_password; \
} else \
errx(1, "unknown NIS user: %s.", X); \
} else if (_use_yp == USER_YP_AND_LOCAL) { \
if (!force_local && (force_yp || yp_in_pw_file)) { \
_use_yp = 1; \
pw = (struct passwd *)&yp_password; \
} else { \
_use_yp = 0; \
pw = (struct passwd *)&local_password; \
} \
}
#endif /* YP */