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Annotation of 43BSDReno/kerberosIV/krb/get_cred.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * $Source: /usr/src/kerberosIV/krb/RCS/get_cred.c,v $
                      3:  * $Author: kfall $
                      4:  *
                      5:  * Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
                      6:  * of Technology.
                      7:  *
                      8:  * For copying and distribution information, please see the file
                      9:  * <mit-copyright.h>.
                     10:  */
                     11: 
                     12: #ifndef lint
                     13: static char *rcsid_get_cred_c =
                     14: "$Header: /usr/src/kerberosIV/krb/RCS/get_cred.c,v 4.11 90/06/25 20:55:51 kfall Exp $";
                     15: #endif /* lint */
                     16: 
                     17: #include <mit-copyright.h>
                     18: #include <stdio.h>
                     19: #include <des.h>
                     20: #include <krb.h>
                     21: 
                     22: /*
                     23:  * krb_get_cred takes a service name, instance, and realm, and a
                     24:  * structure of type CREDENTIALS to be filled in with ticket
                     25:  * information.  It then searches the ticket file for the appropriate
                     26:  * ticket and fills in the structure with the corresponding
                     27:  * information from the file.  If successful, it returns KSUCCESS.
                     28:  * On failure it returns a Kerberos error code.
                     29:  */
                     30: 
                     31: krb_get_cred(service,instance,realm,c)
                     32:     char *service;              /* Service name */
                     33:     char *instance;             /* Instance */
                     34:     char *realm;                /* Auth domain */
                     35:     CREDENTIALS *c;             /* Credentials struct */
                     36: {
                     37:     int tf_status;              /* return value of tf function calls */
                     38: 
                     39:     /* Open ticket file and lock it for shared reading */
                     40:     if ((tf_status = tf_init(TKT_FILE, R_TKT_FIL)) != KSUCCESS)
                     41:        return(tf_status);
                     42: 
                     43:     /* Copy principal's name and instance into the CREDENTIALS struc c */
                     44: 
                     45:     if ( (tf_status = tf_get_pname(c->pname)) != KSUCCESS ||
                     46:         (tf_status = tf_get_pinst(c->pinst)) != KSUCCESS )
                     47:        return (tf_status);
                     48: 
                     49:     /* Search for requested service credentials and copy into c */
                     50:        
                     51:     while ((tf_status = tf_get_cred(c)) == KSUCCESS) {
                     52:         /* Is this the right ticket? */
                     53:        if ((strcmp(c->service,service) == 0) &&
                     54:            (strcmp(c->instance,instance) == 0) &&
                     55:            (strcmp(c->realm,realm) == 0))
                     56:                   break;
                     57:     }
                     58:     (void) tf_close();
                     59: 
                     60:     if (tf_status == EOF)
                     61:        return (GC_NOTKT);
                     62:     return(tf_status);
                     63: }

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