ckp_afs.c
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- /*
- * Program: AFS check password
- *
- * Author: Mark Crispin
- * Networks and Distributed Computing
- * Computing & Communications
- * University of Washington
- * Administration Building, AG-44
- * Seattle, WA 98195
- * Internet: MRC@CAC.Washington.EDU
- *
- * Date: 1 August 1988
- * Last Edited: 11 July 1998
- *
- * Copyright 1998 by the University of Washington
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appears in all copies and that both the
- * above copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the University of Washington not be
- * used in advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. This software is made available
- * "as is", and
- * THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED,
- * WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN
- * NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL,
- * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT
- * (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
- /* Check password
- * Accepts: login passwd struct
- * password string
- * argument count
- * argument vector
- * Returns: passwd struct if password validated, NIL otherwise
- */
- #include <afs/param.h>
- #include <afs/kautils.h>
- static int haveafstoken = 0; /* non-zero if must free AFS token on exit */
- struct passwd *checkpw (struct passwd *pw,char *pass,int argc,char *argv[])
- {
- char *reason;
- #if 1 /* faster validation for POP servers */
- if (!strcmp ((char *) mail_parameters (NIL,GET_SERVICENAME,NIL),"pop")) {
- struct ktc_encryptionKey key;
- struct ktc_token token;
- /* just check the password */
- ka_StringToKey (pass,NIL,&key);
- return ka_GetAdminToken (pw->pw_name,"","",&key,600,&token,1) ? NIL : pw;
- }
- #endif
- /* check password and get AFS token */
- if (ka_UserAuthenticateGeneral (KA_USERAUTH_VERSION + KA_USERAUTH_DOSETPAG,
- pw->pw_name,NIL,NIL,pass,0,0,0,&reason))
- pw = NIL; /* authentication failed */
- else haveafstoken = T; /* validation succeeded and have AFS token */
- return pw;
- }
- #undef exit
- #undef _exit
- /* Stdio exit
- * Accepts: exit status
- * Returns: never
- */
- void afs_exit (int status)
- {
- if (haveafstoken) ktc_ForgetAllTokens ();
- exit (status);
- }
- /* Process exit
- * Accepts: exit status
- * Returns: never
- */
- void _afs_exit (int status)
- {
- if (haveafstoken) ktc_ForgetAllTokens ();
- _exit (status);
- }