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/*
* Ooops. This file is completely unncessesary, I think. <sigh>
*
* Barr3y
*/
/*
* lib/krb5/ccache/file/fcc_defnam.c
*
* Copyright 1990 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, 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 appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* This file contains the source code for krb5_fcc_default_name.
*/
#include "fcc.h"
static char krb5_default_name_string[KRB5_FCC_MAXLEN] = "";
/*
* Effects:
*
* Forms the default credential cache name for the current user, which
* is defined in the following way. If it is set, the environment
* variable "KRB5CCACHE" will be used (up to the maximum number of
* characters of a legal operating system defined path). Otherwise
* TKT_ROOT (from fcc.h) and the user's uid are concatenated to
* produce the ticket file name (e.g., "/tmp/tkt123"). The pointer
* returned is to static storage; the name must be copied elsewhere.
*/
char *
krb5_fcc_default_name (context)
krb5_context context;
{
char *krb5ccache, *getenv();
int len;
/* Is the environment variable defined? */
krb5ccache = getenv("KRB5CCACHE");
if (krb5ccache != NULL) {
len = strlen(krb5ccache);
len = (len < sizeof(krb5_default_name_string) ? len :
sizeof(krb5_default_name_string));
strncpy(krb5_default_name_string, krb5ccache, len);
krb5_default_name_string[len] = '\0';
}
/* No. Use TKT_ROOT and uid */
else {
/* It'd be nice if we didn't have to pull in printf */
sprintf(krb5_default_name_string, "%s%d", TKT_ROOT, getuid());
}
return krb5_default_name_string;
}
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