76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
/*
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Copyright (C) 1989 by the Massachusetts Institute of Technology
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Export of this software from the United States of America is assumed
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to require a specific license from the United States Government.
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It is the responsibility of any person or organization contemplating
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export to obtain such a license before exporting.
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WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
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distribute this software and its documentation for any purpose and
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without fee is hereby granted, provided that the above copyright
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notice appear in all copies and that both that copyright notice and
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this permission notice appear in supporting documentation, and that
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the name of M.I.T. not be used in advertising or publicity pertaining
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to distribution of the software without specific, written prior
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permission. M.I.T. makes no representations about the suitability of
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this software for any purpose. It is provided "as is" without express
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or implied warranty.
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*/
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#include "krb_locl.h"
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RCSID("$Id: tkt_string.c,v 1.1.1.2 2000/12/29 01:43:20 assar Exp $");
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/*
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* This routine is used to generate the name of the file that holds
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* the user's cache of server tickets and associated session keys.
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*
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* If it is set, krb_ticket_string contains the ticket file name.
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* Otherwise, the filename is constructed as follows:
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*
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* If it is set, the environment variable "KRBTKFILE" will be used as
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* the ticket file name. Otherwise TKT_ROOT (defined in "krb.h") and
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* the user's uid are concatenated to produce the ticket file name
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* (e.g., "/tmp/tkt123"). A pointer to the string containing the ticket
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* file name is returned.
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*/
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static char krb_ticket_string[MaxPathLen] = "";
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char *
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tkt_string(void)
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{
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char *env;
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if (!*krb_ticket_string) {
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if ((env = getenv("KRBTKFILE"))) {
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strlcpy (krb_ticket_string,
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env,
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sizeof(krb_ticket_string));
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} else {
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snprintf(krb_ticket_string, sizeof(krb_ticket_string),
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"%s%u",TKT_ROOT, (unsigned)getuid());
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}
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}
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return krb_ticket_string;
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}
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/*
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* This routine is used to set the name of the file that holds the user's
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* cache of server tickets and associated session keys.
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*
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* The value passed in is copied into local storage.
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*
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* NOTE: This routine should be called during initialization, before other
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* Kerberos routines are called; otherwise tkt_string() above may be called
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* and return an undesired ticket file name until this routine is called.
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*/
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void
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krb_set_tkt_string(const char *val)
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{
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strlcpy (krb_ticket_string, val, sizeof(krb_ticket_string));
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}
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