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34 #include <krb5_locl.h>
36 RCSID("$Id: build_auth.c,v 1.38 2002/09/04 16:26:04 joda Exp $");
39 krb5_build_authenticator (krb5_context context,
40 krb5_auth_context auth_context,
44 Authenticator **auth_result,
55 auth = malloc(sizeof(*auth));
57 krb5_set_error_string(context, "malloc: out of memory");
61 memset (auth, 0, sizeof(*auth));
62 auth->authenticator_vno = 5;
63 copy_Realm(&cred->client->realm, &auth->crealm);
64 copy_PrincipalName(&cred->client->name, &auth->cname);
69 krb5_us_timeofday (context, &sec, &usec);
73 ret = krb5_auth_con_getlocalsubkey(context, auth_context, &auth->subkey);
77 if (auth_context->flags & KRB5_AUTH_CONTEXT_DO_SEQUENCE) {
78 krb5_generate_seq_number (context,
80 &auth_context->local_seqnumber);
81 ALLOC(auth->seq_number, 1);
82 *auth->seq_number = auth_context->local_seqnumber;
84 auth->seq_number = NULL;
85 auth->authorization_data = NULL;
88 /* XXX - Copy more to auth_context? */
91 auth_context->authenticator->ctime = auth->ctime;
92 auth_context->authenticator->cusec = auth->cusec;
95 ASN1_MALLOC_ENCODE(Authenticator, buf, buf_size, auth, &len, ret);
100 ret = krb5_crypto_init(context, &cred->session, enctype, &crypto);
103 ret = krb5_encrypt (context,
105 usage /* KRB5_KU_AP_REQ_AUTH */,
106 buf + buf_size - len,
109 krb5_crypto_destroy(context, crypto);
119 /* Don't free the `cksum', it's allocated by the caller */
121 free_Authenticator (auth);
126 free_Authenticator (auth);