61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
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/*
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* Copyright 1985, 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_cred.c,v 4.10 89/05/31 17:46:22 jtkohl Exp $
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* $Id: get_cred.c,v 1.2 1994/07/19 19:25:14 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_cred.c,v 1.2 1994/07/19 19:25:14 g89r4222 Exp $";
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#endif /* lint */
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#include <stdio.h>
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#include <krb.h>
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/*
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* krb_get_cred takes a service name, instance, and realm, and a
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* structure of type CREDENTIALS to be filled in with ticket
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* information. It then searches the ticket file for the appropriate
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* ticket and fills in the structure with the corresponding
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* information from the file. If successful, it returns KSUCCESS.
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* On failure it returns a Kerberos error code.
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*/
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krb_get_cred(service,instance,realm,c)
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char *service; /* Service name */
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char *instance; /* Instance */
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char *realm; /* Auth domain */
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CREDENTIALS *c; /* Credentials struct */
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{
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int tf_status; /* return value of tf function calls */
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/* Open ticket file and lock it for shared reading */
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if ((tf_status = tf_init(TKT_FILE, R_TKT_FIL)) != KSUCCESS)
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return(tf_status);
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/* Copy principal's name and instance into the CREDENTIALS struc c */
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if ( (tf_status = tf_get_pname(c->pname)) != KSUCCESS ||
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(tf_status = tf_get_pinst(c->pinst)) != KSUCCESS )
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return (tf_status);
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/* Search for requested service credentials and copy into c */
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while ((tf_status = tf_get_cred(c)) == KSUCCESS) {
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/* Is this the right ticket? */
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if ((strcmp(c->service,service) == 0) &&
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(strcmp(c->instance,instance) == 0) &&
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(strcmp(c->realm,realm) == 0))
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break;
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}
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(void) tf_close();
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if (tf_status == EOF)
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return (GC_NOTKT);
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return(tf_status);
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}
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