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60643d379b
(Including all changes for FreeBSD - importing the original eBones distribution would be too complex at this stage, since I don't have access to Piero's CVS.) (If you want to include eBones in your system, don't forget to include MAKE_EBONES in /etc/make.conf.) (This stuff is now also suppable from braae.ru.ac.za.) Bones originally from MIT SIPB. Original port to FreeBSD 1.x by Piero Serini. Moved to FreeBSD 2.0 by Doug Rabson and Geoff Rehmet. Nice bug fixes from Doug Rabson.
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*
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* Copyright 1986, 1987, 1988 by the Massachusetts Institute
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* of Technology.
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* For copying and distribution information, please see the file
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* <Copyright.MIT>.
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*
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* from: get_pw_tkt.c,v 4.6 89/01/13 18:19:11 steiner Exp $
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* $Id: get_pw_tkt.c,v 1.2 1994/07/19 19:25:23 g89r4222 Exp $
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*/
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#ifndef lint
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static char *rcsid =
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"$Id: get_pw_tkt.c,v 1.2 1994/07/19 19:25:23 g89r4222 Exp $";
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#endif /* lint */
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#include <krb.h>
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/*
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* Get a ticket for the password-changing server ("changepw.KRB_MASTER").
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*
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* Given the name, instance, realm, and current password of the
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* principal for which the user wants a password-changing-ticket,
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* return either:
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*
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* GT_PW_BADPW if current password was wrong,
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* GT_PW_NULL if principal had a NULL password,
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* or the result of the krb_get_pw_in_tkt() call.
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*
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* First, try to get a ticket for "user.instance@realm" to use the
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* "changepw.KRB_MASTER" server (KRB_MASTER is defined in "krb.h").
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* The requested lifetime for the ticket is "1", and the current
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* password is the "cpw" argument given.
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*
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* If the password was bad, give up.
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*
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* If the principal had a NULL password in the Kerberos database
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* (indicating that the principal is known to Kerberos, but hasn't
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* got a password yet), try instead to get a ticket for the principal
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* "default.changepw@realm" to use the "changepw.KRB_MASTER" server.
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* Use the password "changepwkrb" instead of "cpw". Return GT_PW_NULL
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* if all goes well, otherwise the error.
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*
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* If this routine succeeds, a ticket and session key for either the
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* principal "user.instance@realm" or "default.changepw@realm" to use
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* the password-changing server will be in the user's ticket file.
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*/
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get_pw_tkt(user,instance,realm,cpw)
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char *user;
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char *instance;
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char *realm;
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char *cpw;
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{
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int kerror;
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kerror = krb_get_pw_in_tkt(user, instance, realm, "changepw",
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KRB_MASTER, 1, cpw);
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if (kerror == INTK_BADPW)
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return(GT_PW_BADPW);
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if (kerror == KDC_NULL_KEY) {
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kerror = krb_get_pw_in_tkt("default","changepw",realm,"changepw",
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KRB_MASTER,1,"changepwkrb");
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if (kerror)
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return(kerror);
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return(GT_PW_NULL);
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}
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return(kerror);
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}
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