diff options
Diffstat (limited to 'crypto/kerberosIV/lib/krb/get_cred.c')
-rw-r--r-- | crypto/kerberosIV/lib/krb/get_cred.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/get_cred.c b/crypto/kerberosIV/lib/krb/get_cred.c new file mode 100644 index 0000000..1a0016c --- /dev/null +++ b/crypto/kerberosIV/lib/krb/get_cred.c @@ -0,0 +1,70 @@ +/* + Copyright (C) 1989 by the Massachusetts Institute of Technology + + Export of this software from the United States of America is assumed + to 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. + + */ + +#include "krb_locl.h" + +RCSID("$Id: get_cred.c,v 1.6 1997/05/30 17:38:29 bg Exp $"); + +/* + * krb_get_cred takes a service name, instance, and realm, and a + * structure of type CREDENTIALS to be filled in with ticket + * information. It then searches the ticket file for the appropriate + * ticket and fills in the structure with the corresponding + * information from the file. If successful, it returns KSUCCESS. + * On failure it returns a Kerberos error code. + */ + +int +krb_get_cred(char *service, /* Service name */ + char *instance, /* Instance */ + char *realm, /* Auth domain */ + CREDENTIALS *c) /* Credentials struct */ +{ + int tf_status; /* return value of tf function calls */ + CREDENTIALS cr; + + if (c == 0) + c = &cr; + + /* Open ticket file and lock it for shared reading */ + if ((tf_status = tf_init(TKT_FILE, R_TKT_FIL)) != KSUCCESS) + return(tf_status); + + /* Copy principal's name and instance into the CREDENTIALS struc c */ + + if ( (tf_status = tf_get_pname(c->pname)) != KSUCCESS || + (tf_status = tf_get_pinst(c->pinst)) != KSUCCESS ) + return (tf_status); + + /* Search for requested service credentials and copy into c */ + + while ((tf_status = tf_get_cred(c)) == KSUCCESS) { + if ((strcmp(c->service,service) == 0) && + (strcmp(c->instance,instance) == 0) && + (strcmp(c->realm,realm) == 0)) + break; + } + tf_close(); + + if (tf_status == EOF) + return (GC_NOTKT); + return(tf_status); +} |