krb5_error_code encode_krb5_authenticator(const krb5_authenticator *rep, krb5_data **code)
{
krb5_setup();
/* authorization-data[8] AuthorizationData OPTIONAL */
if(rep->authorization_data != NULL &&
rep->authorization_data[0] != NULL){
retval = asn1_encode_authorization_data(buf, (const krb5_authdata **)
rep->authorization_data,
&length);
if(retval){
asn1buf_destroy(&buf);
return retval; }
sum += length;
retval = asn1_make_etag(buf,CONTEXT_SPECIFIC,8,length,&length);
if(retval){
asn1buf_destroy(&buf);
return retval; }
sum += length;
}
/* seq-number[7] INTEGER OPTIONAL */
if(rep->seq_number != 0)
krb5_addfield(rep->seq_number,7,asn1_encode_unsigned_integer);
/* subkey[6] EncryptionKey OPTIONAL */
if(rep->subkey != NULL)
krb5_addfield(rep->subkey,6,asn1_encode_encryption_key);
/* ctime[5] KerberosTime */
krb5_addfield(rep->ctime,5,asn1_encode_kerberos_time);
/* cusec[4] INTEGER */
krb5_addfield(rep->cusec,4,asn1_encode_integer);
/* cksum[3] Checksum OPTIONAL */
if(rep->checksum != NULL)
krb5_addfield(rep->checksum,3,asn1_encode_checksum);
/* cname[2] PrincipalName */
krb5_addfield(rep->client,2,asn1_encode_principal_name);
/* crealm[1] Realm */
krb5_addfield(rep->client,1,asn1_encode_realm);
/* authenticator-vno[0] INTEGER */
krb5_addfield(KVNO,0,asn1_encode_integer);
/* Authenticator ::= [APPLICATION 2] SEQUENCE */
krb5_makeseq();
krb5_apptag(2);
krb5_cleanup();
}
krb5_error_code
k5_asn1_full_encode(const void *rep, const struct atype_info *a,
krb5_data **code_out)
{
size_t len;
asn1_error_code ret;
asn1buf *buf = NULL;
krb5_data *d;
*code_out = NULL;
if (rep == NULL)
return ASN1_MISSING_FIELD;
ret = asn1buf_create(&buf);
if (ret)
return ret;
ret = encode_atype_and_tag(buf, rep, a, &len);
if (ret)
goto cleanup;
ret = asn12krb5_buf(buf, &d);
if (ret)
goto cleanup;
*code_out = d;
cleanup:
asn1buf_destroy(&buf);
return ret;
}
krb5_error_code
krb5int_asn1_do_full_encode(const void *rep, krb5_data **code,
const struct atype_info *a)
{
unsigned int length;
asn1_error_code retval;
asn1buf *buf = NULL;
krb5_data *d;
*code = NULL;
if (rep == NULL)
return ASN1_MISSING_FIELD;
retval = asn1buf_create(&buf);
if (retval)
return retval;
retval = krb5int_asn1_encode_a_thing(buf, rep, a, &length);
if (retval)
goto cleanup;
retval = asn12krb5_buf(buf, &d);
if (retval)
goto cleanup;
*code = d;
cleanup:
asn1buf_destroy(&buf);
return retval;
}
/*
* encode_krb5_safe_with_body
*
* Like encode_krb5_safe(), except takes a saved KRB-SAFE-BODY
* encoding to avoid problems with re-encoding.
*/
krb5_error_code encode_krb5_safe_with_body(
const krb5_safe *rep,
const krb5_data *body,
krb5_data **code)
{
krb5_setup();
if (body == NULL) {
asn1buf_destroy(&buf);
return ASN1_MISSING_FIELD;
}
/* cksum[3] Checksum */
krb5_addfield(rep->checksum,3,asn1_encode_checksum);
/* safe-body[2] KRB-SAFE-BODY */
krb5_addfield(body,2,asn1_encode_krb_saved_safe_body);
/* msg-type[1] INTEGER */
krb5_addfield(ASN1_KRB_SAFE,1,asn1_encode_integer);
/* pvno[0] INTEGER */
krb5_addfield(KVNO,0,asn1_encode_integer);
/* KRB-SAFE ::= [APPLICATION 20] SEQUENCE */
krb5_makeseq();
krb5_apptag(20);
krb5_cleanup();
}
