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/*****************************************************************
*
* kcheckpass
*
* Simple password checker. Just invoke and send it
* the password on stdin.
*
* If the password was accepted, the program exits with 0;
* if it was rejected, it exits with 1. Any other exit
* code signals an error.
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (C) 1998, Caldera, Inc.
* Released under the GNU General Public License
*
* Olaf Kirch <[email protected]> General Framework and PAM support
* Christian Esken <[email protected]> Shadow and /etc/passwd support
* Oswald Buddenhagen <[email protected]> Binary server mode
*
* Other parts were taken from tdescreensaver's passwd.cpp
*****************************************************************/
#ifndef KCHECKPASS_H_
#define KCHECKPASS_H_
#include <config.h>
#ifdef HAVE_CRYPT_H
#include <crypt.h>
#endif
#include <pwd.h>
#include <sys/types.h>
#ifdef ultrix
#include <auth.h>
#endif
#include <unistd.h>
#ifdef OSF1_ENH_SEC
#include <sys/security.h>
#include <prot.h>
#endif
/* Make sure there is only one! */
#if defined(HAVE_PAM)
# undef HAVE_OSF_C2_PASSWD
# undef HAVE_SHADOW
#elif defined(HAVE_OSF_C2_PASSWD)
# undef HAVE_SHADOW
#elif defined(_AIX)
# define HAVE_AIX_AUTH
# undef HAVE_SHADOW
#elif !defined(HAVE_SHADOW)
# define HAVE_ETCPASSWD
#endif
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
# define ATTR_UNUSED __attribute__((unused))
# define ATTR_NORETURN __attribute__((noreturn))
# define ATTR_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
#else
# define ATTR_UNUSED
# define ATTR_NORETURN
# define ATTR_PRINTFLIKE(fmt,var)
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* these must match kcheckpass' exit codes */
typedef enum {
AuthOk = 0,
AuthBad = 1,
AuthError = 2,
AuthAbort = 3
} AuthReturn;
typedef enum {
ConvGetBinary,
ConvGetNormal,
ConvGetHidden,
ConvPutInfo,
ConvPutError
} ConvRequest;
/* these must match the defs in kgreeterplugin.h */
typedef enum {
IsUser = 1, /* unused in kcheckpass */
IsPassword = 2
} DataTag;
/*****************************************************************
* Authenticates user
*****************************************************************/
AuthReturn Authenticate(
#ifdef HAVE_PAM
const char *caller,
#endif
const char *method,
const char *user,
char *(*conv) (ConvRequest, const char *));
/*****************************************************************
* Output a message to stderr
*****************************************************************/
void message(const char *, ...) ATTR_PRINTFLIKE(1, 2);
/*****************************************************************
* Overwrite and free the passed string
*****************************************************************/
void dispose(char *);
#ifdef __cplusplus
}
#endif
#endif
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