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d79d4a7ced
- Get all functions prototyped or at least defined before use.
- Make code compile (Mostly) clean with -Wall set
- Start to reduce the degree to which DES aka libdes is built in.
- get all functions to the same uniform standard of definition:
int
foo(a, b)
int a;
int *b;
{
:
}
- fix numerous bugs exposed by above processes.
Note - this replaces the previous work which used an unpopular function
definition style.
76 lines
2.1 KiB
C
76 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 1.3 1995/07/18 16:38:37 mark Exp $
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*/
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#if 0
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#ifndef lint
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static char *rcsid =
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"$Id: get_pw_tkt.c,v 1.3 1995/07/18 16:38:37 mark Exp $";
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#endif /* lint */
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#endif
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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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int
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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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