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/*
* lib/krb5/ccache/file/mcc_reslv.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_mcc_resolve.
*/
#include "mcc.h"
extern krb5_cc_ops krb5_mcc_ops;
/*
* Requires:
* residual is a legal path name, and a null-terminated string
*
* Modifies:
* id
*
* Effects:
* creates a file-based cred cache that will reside in the file
* residual. The cache is not opened, but the filename is reserved.
*
* Returns:
* A filled in krb5_ccache structure "id".
*
* Errors:
* KRB5_CC_NOMEM - there was insufficient memory to allocate the
* krb5_ccache. id is undefined.
* permission errors
*/
krb5_error_code KRB5_CALLCONV
krb5_mcc_resolve (context, id, residual)
krb5_context context;
krb5_ccache *id;
char *residual;
{
krb5_ccache lid;
krb5_mcc_data *ptr;
lid = (krb5_ccache) malloc(sizeof(struct _krb5_ccache));
if (lid == NULL)
return KRB5_CC_NOMEM;
lid->ops = &krb5_mcc_ops;
for (ptr = mcc_head; ptr; ptr=ptr->next)
if (!strcmp(ptr->name, residual))
break;
if (ptr) {
lid->data = ptr;
} else {
lid->data = (krb5_pointer) malloc(sizeof(krb5_mcc_data));
if (lid->data == NULL) {
krb5_xfree(lid);
return KRB5_CC_NOMEM;
}
((krb5_mcc_data *) lid->data)->name = (char *)
malloc(strlen(residual) + 1);
if (((krb5_mcc_data *)lid->data)->name == NULL) {
krb5_xfree(((krb5_mcc_data *)lid->data));
krb5_xfree(lid);
return KRB5_CC_NOMEM;
}
strcpy(((krb5_mcc_data *)lid->data)->name, residual);
((krb5_mcc_data *)lid->data)->link = 0L;
((krb5_mcc_data *)lid->data)->prin = 0L;
((krb5_mcc_data *)lid->data)->next = mcc_head;
mcc_head = (krb5_mcc_data *)lid->data;
#if 0
++krb5_cache_sessions;
#endif
}
*id = lid;
return KRB5_OK;
}
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