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📄 Makefile.am(7.68 KB)
📄 Makefile.in(224.98 KB)
📄 acache.c(26.87 KB)
📄 acl.c(7.58 KB)
📄 add_et_list.c(2.2 KB)
📄 addr_families.c(38.89 KB)
📄 aes-test.c(22.56 KB)
📄 aname_to_localname.c(2.83 KB)
📄 appdefault.c(4.41 KB)
📄 asn1_glue.c(2.37 KB)
📄 auth_context.c(14.97 KB)
📄 build_ap_req.c(2.77 KB)
📄 build_auth.c(5.5 KB)
📄 cache.c(41.88 KB)
📄 ccache_plugin.h(1.67 KB)
📄 changepw.c(20.59 KB)
📄 codec.c(6.1 KB)
📄 config_file.c(31.7 KB)
📄 constants.c(2.51 KB)
📄 context.c(37.71 KB)
📄 convert_creds.c(3.46 KB)
📄 copy_host_realm.c(2.66 KB)
📄 crc.c(2.19 KB)
📄 creds.c(8.75 KB)
📄 crypto-aes.c(4.62 KB)
📄 crypto-algs.c(3.04 KB)
📄 crypto-arcfour.c(8.78 KB)
📄 crypto-des-common.c(4.37 KB)
📄 crypto-des.c(8.8 KB)
📄 crypto-des3.c(5.36 KB)
📄 crypto-evp.c(5.45 KB)
📄 crypto-null.c(2.55 KB)
📄 crypto-pk.c(8.4 KB)
📄 crypto-rand.c(3.43 KB)
📄 crypto-stubs.c(3.1 KB)
📄 crypto.c(66.51 KB)
📄 crypto.h(6.5 KB)
📄 data.c(5.66 KB)
📄 deprecated.c(14.72 KB)
📄 derived-key-test.c(6.48 KB)
📄 digest.c(31.6 KB)
📄 doxygen.c(25.72 KB)
📄 eai_to_heim_errno.c(3.46 KB)
📄 error_string.c(8.93 KB)
📄 expand_hostname.c(5.59 KB)
📄 expand_path.c(12.35 KB)
📄 fcache.c(25.36 KB)
📄 free.c(2.01 KB)
📄 free_host_realm.c(2.1 KB)
📄 generate_seq_number.c(2.03 KB)
📄 generate_subkey.c(2.6 KB)
📄 get_addrs.c(8.2 KB)
📄 get_cred.c(38.45 KB)
📄 get_default_principal.c(4.47 KB)
📄 get_default_realm.c(2.74 KB)
📄 get_for_creds.c(13.48 KB)
📄 get_host_realm.c(7.06 KB)
📄 get_in_tkt.c(14.45 KB)
📄 get_port.c(2.04 KB)
📄 heim_err.et(1.7 KB)
📄 init_creds.c(12.11 KB)
📄 init_creds_pw.c(52.57 KB)
📄 k524_err.et(577 B)
📄 kcm.c(26.55 KB)
📄 kcm.h(2.83 KB)
📄 kerberos.8(4.14 KB)
📄 keyblock.c(5.31 KB)
📄 keytab.c(23.88 KB)
📄 keytab_any.c(6.48 KB)
📄 keytab_file.c(19.7 KB)
📄 keytab_keyfile.c(10.74 KB)
📄 keytab_memory.c(6.29 KB)
📄 krb5-private.h(12.91 KB)
📄 krb5-protos.h(113.43 KB)
📄 krb5-v4compat.h(4.44 KB)
📄 krb5.conf.5(18.31 KB)
📄 krb5.h(29.75 KB)
📄 krb5.moduli(1.11 KB)
📄 krb524_convert_creds_kdc.3(3.12 KB)
📄 krb5_425_conv_principal.3(7.02 KB)
📄 krb5_acl_match_file.3(3.49 KB)
📄 krb5_aname_to_localname.3(2.87 KB)
📄 krb5_appdefault.3(3.08 KB)
📄 krb5_auth_context.3(10.8 KB)
📄 krb5_c_make_checksum.3(6.92 KB)
📄 krb5_ccapi.h(7.52 KB)
📄 krb5_check_transited.3(3.28 KB)
📄 krb5_create_checksum.3(6.02 KB)
📄 krb5_creds.3(3.31 KB)
📄 krb5_digest.3(6.57 KB)
📄 krb5_eai_to_heim_errno.3(2.4 KB)
📄 krb5_encrypt.3(7 KB)
📄 krb5_err.et(12.86 KB)
📄 krb5_find_padata.3(2.53 KB)
📄 krb5_generate_random_block.3(2.1 KB)
📄 krb5_get_all_client_addrs.3(2.83 KB)
📄 krb5_get_credentials.3(5.03 KB)
📄 krb5_get_creds.3(5.28 KB)
📄 krb5_get_forwarded_creds.3(2.74 KB)
📄 krb5_get_in_cred.3(7.46 KB)
📄 krb5_get_init_creds.3(11.03 KB)
📄 krb5_get_krbhst.3(3.26 KB)
📄 krb5_getportbyname.3(2.32 KB)
📄 krb5_init_context.3(7.88 KB)
📄 krb5_is_thread_safe.3(2.24 KB)
📄 krb5_krbhst_init.3(5.67 KB)
📄 krb5_locl.h(8.47 KB)
📄 krb5_mk_req.3(5.18 KB)
📄 krb5_mk_safe.3(2.78 KB)
📄 krb5_openlog.3(7.96 KB)
📄 krb5_parse_name.3(2.57 KB)
📄 krb5_principal.3(11.85 KB)
📄 krb5_rcache.3(4.21 KB)
📄 krb5_rd_error.3(3.33 KB)
📄 krb5_rd_safe.3(2.77 KB)
📄 krb5_set_default_realm.3(4.29 KB)
📄 krb5_set_password.3(4.11 KB)
📄 krb5_string_to_key.3(4.39 KB)
📄 krb5_timeofday.3(3.33 KB)
📄 krb5_verify_init_creds.3(3.51 KB)
📄 krb5_verify_user.3(6.71 KB)
📄 krb_err.et(2.55 KB)
📄 krbhst-test.c(3.02 KB)
📄 krbhst.c(26.94 KB)
📄 kuserok.c(8.14 KB)
📄 locate_plugin.h(2.36 KB)
📄 log.c(11.94 KB)
📄 mcache.c(11.54 KB)
📄 misc.c(3.9 KB)
📄 mit_glue.c(11.14 KB)
📄 mk_error.c(3.23 KB)
📄 mk_priv.c(4.54 KB)
📄 mk_rep.c(3.99 KB)
📄 mk_req.c(3.58 KB)
📄 mk_req_ext.c(4.78 KB)
📄 mk_safe.c(4.36 KB)
📄 n-fold-test.c(4.14 KB)
📄 n-fold.c(3.8 KB)
📄 net_read.c(1.86 KB)
📄 net_write.c(3.05 KB)
📄 pac.c(28.37 KB)
📄 padata.c(2.35 KB)
📄 parse-name-test.c(5.81 KB)
📄 pcache.c(2.33 KB)
📄 pkinit.c(63.8 KB)
📄 plugin.c(13.71 KB)
📄 principal.c(28.4 KB)
📄 prog_setup.c(2.34 KB)
📄 prompter_posix.c(2.45 KB)
📄 rd_cred.c(9.44 KB)
📄 rd_error.c(3.83 KB)
📄 rd_priv.c(5.38 KB)
📄 rd_rep.c(3.72 KB)
📄 rd_req.c(25.6 KB)
📄 rd_safe.c(6.34 KB)
📄 read_message.c(3.22 KB)
📄 recvauth.c(6.16 KB)
📄 replay.c(8.24 KB)
📄 salt-aes.c(3.34 KB)
📄 salt-arcfour.c(3.24 KB)
📄 salt-des.c(6.68 KB)
📄 salt-des3.c(4.36 KB)
📄 salt.c(9 KB)
📄 scache.c(32.86 KB)
📄 send_to_kdc.c(16.06 KB)
📄 send_to_kdc_plugin.h(2.22 KB)
📄 sendauth.c(6.12 KB)
📄 set_default_realm.c(3.01 KB)
📄 sock_principal.c(2.52 KB)
📄 store-int.c(2.14 KB)
📄 store-int.h(2.07 KB)
📄 store-test.c(3.63 KB)
📄 store.c(35.77 KB)
📄 store_emem.c(5.06 KB)
📄 store_fd.c(3.4 KB)
📄 store_mem.c(5.42 KB)
📄 string-to-key-test.c(5.75 KB)
📄 test_acl.c(4.56 KB)
📄 test_addr.c(7.27 KB)
📄 test_alname.c(4.28 KB)
📄 test_cc.c(19.39 KB)
📄 test_config.c(7.92 KB)
📄 test_crypto.c(5.68 KB)
📄 test_crypto_wrapping.c(4.48 KB)
📄 test_forward.c(3.64 KB)
📄 test_get_addrs.c(3.21 KB)
📄 test_hostname.c(3.82 KB)
📄 test_keytab.c(7.42 KB)
📄 test_kuserok.c(2.9 KB)
📄 test_mem.c(2.21 KB)
📄 test_pac.c(15.1 KB)
📄 test_pkinit_dh2key.c(6.9 KB)
📄 test_plugin.c(3.4 KB)
📄 test_prf.c(3.21 KB)
📄 test_princ.c(10.44 KB)
📄 test_renew.c(3.22 KB)
📄 test_store.c(7.96 KB)
📄 test_time.c(2.57 KB)
📄 ticket.c(21.91 KB)
📄 time.c(3.84 KB)
📄 transited.c(11.11 KB)
📄 verify_init.c(6.47 KB)
📄 verify_krb5_conf.8(3.41 KB)
📄 verify_krb5_conf.c(20.63 KB)
📄 verify_user.c(7 KB)
📄 version-script.map(18.82 KB)
📄 version.c(1.71 KB)
📄 warn.c(8.98 KB)
📄 write_message.c(2.87 KB)

Editing: digest.c

/*
 * Copyright (c) 2006 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "krb5_locl.h"
#include "digest_asn1.h"

#ifndef HEIMDAL_SMALLER

struct krb5_digest_data {
    char *cbtype;
    char *cbbinding;

DigestInit init;
    DigestInitReply initReply;
    DigestRequest request;
    DigestResponse response;
};

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_alloc(krb5_context context, krb5_digest *digest)
{
    krb5_digest d;

d = calloc(1, sizeof(*d));
    if (d == NULL) {
	*digest = NULL;
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    *digest = d;

return 0;
}

KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_digest_free(krb5_digest digest)
{
    if (digest == NULL)
	return;
    free_DigestInit(&digest->init);
    free_DigestInitReply(&digest->initReply);
    free_DigestRequest(&digest->request);
    free_DigestResponse(&digest->response);
    memset(digest, 0, sizeof(*digest));
    free(digest);
    return;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_server_cb(krb5_context context,
			  krb5_digest digest,
			  const char *type,
			  const char *binding)
{
    if (digest->init.channel) {
	krb5_set_error_message(context, EINVAL,
			       N_("server channel binding already set", ""));
	return EINVAL;
    }
    digest->init.channel = calloc(1, sizeof(*digest->init.channel));
    if (digest->init.channel == NULL)
	goto error;

digest->init.channel->cb_type = strdup(type);
    if (digest->init.channel->cb_type == NULL)
	goto error;

digest->init.channel->cb_binding = strdup(binding);
    if (digest->init.channel->cb_binding == NULL)
	goto error;
    return 0;
 error:
    if (digest->init.channel) {
	free(digest->init.channel->cb_type);
	free(digest->init.channel->cb_binding);
	free(digest->init.channel);
	digest->init.channel = NULL;
    }
    krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
    return ENOMEM;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_type(krb5_context context,
		     krb5_digest digest,
		     const char *type)
{
    if (digest->init.type) {
	krb5_set_error_message(context, EINVAL, "client type already set");
	return EINVAL;
    }
    digest->init.type = strdup(type);
    if (digest->init.type == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_hostname(krb5_context context,
			 krb5_digest digest,
			 const char *hostname)
{
    if (digest->init.hostname) {
	krb5_set_error_message(context, EINVAL, "server hostname already set");
	return EINVAL;
    }
    digest->init.hostname = malloc(sizeof(*digest->init.hostname));
    if (digest->init.hostname == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    *digest->init.hostname = strdup(hostname);
    if (*digest->init.hostname == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	free(digest->init.hostname);
	digest->init.hostname = NULL;
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
krb5_digest_get_server_nonce(krb5_context context,
			     krb5_digest digest)
{
    return digest->initReply.nonce;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_server_nonce(krb5_context context,
			     krb5_digest digest,
			     const char *nonce)
{
    if (digest->request.serverNonce) {
	krb5_set_error_message(context, EINVAL, N_("nonce already set", ""));
	return EINVAL;
    }
    digest->request.serverNonce = strdup(nonce);
    if (digest->request.serverNonce == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
krb5_digest_get_opaque(krb5_context context,
		       krb5_digest digest)
{
    return digest->initReply.opaque;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_opaque(krb5_context context,
		       krb5_digest digest,
		       const char *opaque)
{
    if (digest->request.opaque) {
	krb5_set_error_message(context, EINVAL, "opaque already set");
	return EINVAL;
    }
    digest->request.opaque = strdup(opaque);
    if (digest->request.opaque == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
krb5_digest_get_identifier(krb5_context context,
			   krb5_digest digest)
{
    if (digest->initReply.identifier == NULL)
	return NULL;
    return *digest->initReply.identifier;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_identifier(krb5_context context,
			   krb5_digest digest,
			   const char *id)
{
    if (digest->request.identifier) {
	krb5_set_error_message(context, EINVAL, N_("identifier already set", ""));
	return EINVAL;
    }
    digest->request.identifier = calloc(1, sizeof(*digest->request.identifier));
    if (digest->request.identifier == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    *digest->request.identifier = strdup(id);
    if (*digest->request.identifier == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	free(digest->request.identifier);
	digest->request.identifier = NULL;
	return ENOMEM;
    }
    return 0;
}

static krb5_error_code
digest_request(krb5_context context,
	       krb5_realm realm,
	       krb5_ccache ccache,
	       krb5_key_usage usage,
	       const DigestReqInner *ireq,
	       DigestRepInner *irep)
{
    DigestREQ req;
    DigestREP rep;
    krb5_error_code ret;
    krb5_data data, data2;
    size_t size = 0;
    krb5_crypto crypto = NULL;
    krb5_auth_context ac = NULL;
    krb5_principal principal = NULL;
    krb5_ccache id = NULL;
    krb5_realm r = NULL;

krb5_data_zero(&data);
    krb5_data_zero(&data2);
    memset(&req, 0, sizeof(req));
    memset(&rep, 0, sizeof(rep));

if (ccache == NULL) {
	ret = krb5_cc_default(context, &id);
	if (ret)
	    goto out;
    } else
	id = ccache;

if (realm == NULL) {
	ret = krb5_get_default_realm(context, &r);
	if (ret)
	    goto out;
    } else
	r = realm;

/*
     *
     */

ret = krb5_make_principal(context, &principal,
			      r, KRB5_DIGEST_NAME, r, NULL);
    if (ret)
	goto out;

ASN1_MALLOC_ENCODE(DigestReqInner, data.data, data.length,
		       ireq, &size, ret);
    if (ret) {
	krb5_set_error_message(context, ret,
			       N_("Failed to encode digest inner request", ""));
	goto out;
    }
    if (size != data.length)
	krb5_abortx(context, "ASN.1 internal encoder error");

ret = krb5_mk_req_exact(context, &ac,
			    AP_OPTS_USE_SUBKEY|AP_OPTS_MUTUAL_REQUIRED,
			    principal, NULL, id, &req.apReq);
    if (ret)
	goto out;

{
	krb5_keyblock *key;

ret = krb5_auth_con_getlocalsubkey(context, ac, &key);
	if (ret)
	    goto out;
	if (key == NULL) {
	    ret = EINVAL;
	    krb5_set_error_message(context, ret,
				   N_("Digest failed to get local subkey", ""));
	    goto out;
	}

ret = krb5_crypto_init(context, key, 0, &crypto);
	krb5_free_keyblock (context, key);
	if (ret)
	    goto out;
    }

ret = krb5_encrypt_EncryptedData(context, crypto, usage,
				     data.data, data.length, 0,
				     &req.innerReq);
    if (ret)
	goto out;

krb5_data_free(&data);

ASN1_MALLOC_ENCODE(DigestREQ, data.data, data.length,
		       &req, &size, ret);
    if (ret) {
	krb5_set_error_message(context, ret,
			       N_("Failed to encode DigestREQest", ""));
	goto out;
    }
    if (size != data.length)
	krb5_abortx(context, "ASN.1 internal encoder error");

ret = krb5_sendto_kdc(context, &data, &r, &data2);
    if (ret)
	goto out;

ret = decode_DigestREP(data2.data, data2.length, &rep, NULL);
    if (ret) {
	krb5_set_error_message(context, ret,
			       N_("Failed to parse digest response", ""));
	goto out;
    }

{
	krb5_ap_rep_enc_part *repl;

ret = krb5_rd_rep(context, ac, &rep.apRep, &repl);
	if (ret)
	    goto out;

krb5_free_ap_rep_enc_part(context, repl);
    }
    {
	krb5_keyblock *key;

ret = krb5_auth_con_getremotesubkey(context, ac, &key);
	if (ret)
	    goto out;
	if (key == NULL) {
	    ret = EINVAL;
	    krb5_set_error_message(context, ret,
				   N_("Digest reply have no remote subkey", ""));
	    goto out;
	}

krb5_crypto_destroy(context, crypto);
	ret = krb5_crypto_init(context, key, 0, &crypto);
	krb5_free_keyblock (context, key);
	if (ret)
	    goto out;
    }

krb5_data_free(&data);
    ret = krb5_decrypt_EncryptedData(context, crypto, usage,
				     &rep.innerRep, &data);
    if (ret)
	goto out;

ret = decode_DigestRepInner(data.data, data.length, irep, NULL);
    if (ret) {
	krb5_set_error_message(context, ret,
			       N_("Failed to decode digest inner reply", ""));
	goto out;
    }

out:
    if (ccache == NULL && id)
	krb5_cc_close(context, id);
    if (realm == NULL && r)
	free(r);
    if (crypto)
	krb5_crypto_destroy(context, crypto);
    if (ac)
	krb5_auth_con_free(context, ac);
    if (principal)
	krb5_free_principal(context, principal);

krb5_data_free(&data);
    krb5_data_free(&data2);

free_DigestREQ(&req);
    free_DigestREP(&rep);

return ret;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_init_request(krb5_context context,
			 krb5_digest digest,
			 krb5_realm realm,
			 krb5_ccache ccache)
{
    DigestReqInner ireq;
    DigestRepInner irep;
    krb5_error_code ret;

memset(&ireq, 0, sizeof(ireq));
    memset(&irep, 0, sizeof(irep));

if (digest->init.type == NULL) {
	krb5_set_error_message(context, EINVAL,
			       N_("Type missing from init req", ""));
	return EINVAL;
    }

ireq.element = choice_DigestReqInner_init;
    ireq.u.init = digest->init;

ret = digest_request(context, realm, ccache,
			 KRB5_KU_DIGEST_ENCRYPT, &ireq, &irep);
    if (ret)
	goto out;

if (irep.element == choice_DigestRepInner_error) {
	ret = irep.u.error.code;
	krb5_set_error_message(context, ret, N_("Digest init error: %s", ""),
			       irep.u.error.reason);
	goto out;
    }

if (irep.element != choice_DigestRepInner_initReply) {
	ret = EINVAL;
	krb5_set_error_message(context, ret,
			       N_("digest reply not an initReply", ""));
	goto out;
    }

ret = copy_DigestInitReply(&irep.u.initReply, &digest->initReply);
    if (ret) {
	krb5_set_error_message(context, ret,
			       N_("Failed to copy initReply", ""));
	goto out;
    }

out:
    free_DigestRepInner(&irep);

return ret;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_client_nonce(krb5_context context,
			     krb5_digest digest,
			     const char *nonce)
{
    if (digest->request.clientNonce) {
	krb5_set_error_message(context, EINVAL,
			       N_("clientNonce already set", ""));
	return EINVAL;
    }
    digest->request.clientNonce =
	calloc(1, sizeof(*digest->request.clientNonce));
    if (digest->request.clientNonce == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    *digest->request.clientNonce = strdup(nonce);
    if (*digest->request.clientNonce == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	free(digest->request.clientNonce);
	digest->request.clientNonce = NULL;
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_digest(krb5_context context,
		       krb5_digest digest,
		       const char *dgst)
{
    if (digest->request.digest) {
	krb5_set_error_message(context, EINVAL,
			       N_("digest already set", ""));
	return EINVAL;
    }
    digest->request.digest = strdup(dgst);
    if (digest->request.digest == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_username(krb5_context context,
			 krb5_digest digest,
			 const char *username)
{
    if (digest->request.username) {
	krb5_set_error_message(context, EINVAL, "username already set");
	return EINVAL;
    }
    digest->request.username = strdup(username);
    if (digest->request.username == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_authid(krb5_context context,
		       krb5_digest digest,
		       const char *authid)
{
    if (digest->request.authid) {
	krb5_set_error_message(context, EINVAL, "authid already set");
	return EINVAL;
    }
    digest->request.authid = malloc(sizeof(*digest->request.authid));
    if (digest->request.authid == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    *digest->request.authid = strdup(authid);
    if (*digest->request.authid == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	free(digest->request.authid);
	digest->request.authid = NULL;
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_authentication_user(krb5_context context,
				    krb5_digest digest,
				    krb5_principal authentication_user)
{
    krb5_error_code ret;

if (digest->request.authentication_user) {
	krb5_set_error_message(context, EINVAL,
			       N_("authentication_user already set", ""));
	return EINVAL;
    }
    ret = krb5_copy_principal(context,
			      authentication_user,
			      &digest->request.authentication_user);
    if (ret)
	return ret;
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_realm(krb5_context context,
		      krb5_digest digest,
		      const char *realm)
{
    if (digest->request.realm) {
	krb5_set_error_message(context, EINVAL, "realm already set");
	return EINVAL;
    }
    digest->request.realm = malloc(sizeof(*digest->request.realm));
    if (digest->request.realm == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    *digest->request.realm = strdup(realm);
    if (*digest->request.realm == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	free(digest->request.realm);
	digest->request.realm = NULL;
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_method(krb5_context context,
		       krb5_digest digest,
		       const char *method)
{
    if (digest->request.method) {
	krb5_set_error_message(context, EINVAL,
			       N_("method already set", ""));
	return EINVAL;
    }
    digest->request.method = malloc(sizeof(*digest->request.method));
    if (digest->request.method == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    *digest->request.method = strdup(method);
    if (*digest->request.method == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	free(digest->request.method);
	digest->request.method = NULL;
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_uri(krb5_context context,
		    krb5_digest digest,
		    const char *uri)
{
    if (digest->request.uri) {
	krb5_set_error_message(context, EINVAL, N_("uri already set", ""));
	return EINVAL;
    }
    digest->request.uri = malloc(sizeof(*digest->request.uri));
    if (digest->request.uri == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    *digest->request.uri = strdup(uri);
    if (*digest->request.uri == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	free(digest->request.uri);
	digest->request.uri = NULL;
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_nonceCount(krb5_context context,
			   krb5_digest digest,
			   const char *nonce_count)
{
    if (digest->request.nonceCount) {
	krb5_set_error_message(context, EINVAL,
			       N_("nonceCount already set", ""));
	return EINVAL;
    }
    digest->request.nonceCount =
	malloc(sizeof(*digest->request.nonceCount));
    if (digest->request.nonceCount == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    *digest->request.nonceCount = strdup(nonce_count);
    if (*digest->request.nonceCount == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	free(digest->request.nonceCount);
	digest->request.nonceCount = NULL;
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_set_qop(krb5_context context,
		    krb5_digest digest,
		    const char *qop)
{
    if (digest->request.qop) {
	krb5_set_error_message(context, EINVAL, "qop already set");
	return EINVAL;
    }
    digest->request.qop = malloc(sizeof(*digest->request.qop));
    if (digest->request.qop == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    *digest->request.qop = strdup(qop);
    if (*digest->request.qop == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	free(digest->request.qop);
	digest->request.qop = NULL;
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION int KRB5_LIB_CALL
krb5_digest_set_responseData(krb5_context context,
			     krb5_digest digest,
			     const char *response)
{
    digest->request.responseData = strdup(response);
    if (digest->request.responseData == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_request(krb5_context context,
		    krb5_digest digest,
		    krb5_realm realm,
		    krb5_ccache ccache)
{
    DigestReqInner ireq;
    DigestRepInner irep;
    krb5_error_code ret;

memset(&ireq, 0, sizeof(ireq));
    memset(&irep, 0, sizeof(irep));

ireq.element = choice_DigestReqInner_digestRequest;
    ireq.u.digestRequest = digest->request;

if (digest->request.type == NULL) {
	if (digest->init.type == NULL) {
	    krb5_set_error_message(context, EINVAL,
				   N_("Type missing from req", ""));
	    return EINVAL;
	}
	ireq.u.digestRequest.type = digest->init.type;
    }

if (ireq.u.digestRequest.digest == NULL) {
	static char md5[] = "md5";
	ireq.u.digestRequest.digest = md5;
    }

ret = digest_request(context, realm, ccache,
			 KRB5_KU_DIGEST_ENCRYPT, &ireq, &irep);
    if (ret)
	return ret;

if (irep.element == choice_DigestRepInner_error) {
	ret = irep.u.error.code;
	krb5_set_error_message(context, ret,
			       N_("Digest response error: %s", ""),
			       irep.u.error.reason);
	goto out;
    }

if (irep.element != choice_DigestRepInner_response) {
	krb5_set_error_message(context, EINVAL,
			       N_("digest reply not an DigestResponse", ""));
	ret = EINVAL;
	goto out;
    }

ret = copy_DigestResponse(&irep.u.response, &digest->response);
    if (ret) {
	krb5_set_error_message(context, ret,
			       N_("Failed to copy initReply,", ""));
	goto out;
    }

out:
    free_DigestRepInner(&irep);

return ret;
}

KRB5_LIB_FUNCTION krb5_boolean KRB5_LIB_CALL
krb5_digest_rep_get_status(krb5_context context,
			   krb5_digest digest)
{
    return digest->response.success ? TRUE : FALSE;
}

KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
krb5_digest_get_rsp(krb5_context context,
		    krb5_digest digest)
{
    if (digest->response.rsp == NULL)
	return NULL;
    return *digest->response.rsp;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_get_tickets(krb5_context context,
			krb5_digest digest,
			Ticket **tickets)
{
    *tickets = NULL;
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_get_client_binding(krb5_context context,
			       krb5_digest digest,
			       char **type,
			       char **binding)
{
    if (digest->response.channel) {
	*type = strdup(digest->response.channel->cb_type);
	*binding = strdup(digest->response.channel->cb_binding);
	if (*type == NULL || *binding == NULL) {
	    free(*type);
	    free(*binding);
	    krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	    return ENOMEM;
	}
    } else {
	*type = NULL;
	*binding = NULL;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_get_session_key(krb5_context context,
			    krb5_digest digest,
			    krb5_data *data)
{
    krb5_error_code ret;

krb5_data_zero(data);
    if (digest->response.session_key == NULL)
	return 0;
    ret = der_copy_octet_string(digest->response.session_key, data);
    if (ret)
	krb5_clear_error_message(context);

return ret;
}

struct krb5_ntlm_data {
    NTLMInit init;
    NTLMInitReply initReply;
    NTLMRequest request;
    NTLMResponse response;
};

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_alloc(krb5_context context,
		krb5_ntlm *ntlm)
{
    *ntlm = calloc(1, sizeof(**ntlm));
    if (*ntlm == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_free(krb5_context context, krb5_ntlm ntlm)
{
    free_NTLMInit(&ntlm->init);
    free_NTLMInitReply(&ntlm->initReply);
    free_NTLMRequest(&ntlm->request);
    free_NTLMResponse(&ntlm->response);
    memset(ntlm, 0, sizeof(*ntlm));
    free(ntlm);
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_init_request(krb5_context context,
		       krb5_ntlm ntlm,
		       krb5_realm realm,
		       krb5_ccache ccache,
		       uint32_t flags,
		       const char *hostname,
		       const char *domainname)
{
    DigestReqInner ireq;
    DigestRepInner irep;
    krb5_error_code ret;

memset(&ireq, 0, sizeof(ireq));
    memset(&irep, 0, sizeof(irep));

ntlm->init.flags = flags;
    if (hostname) {
	ALLOC(ntlm->init.hostname, 1);
	*ntlm->init.hostname = strdup(hostname);
    }
    if (domainname) {
	ALLOC(ntlm->init.domain, 1);
	*ntlm->init.domain = strdup(domainname);
    }

ireq.element = choice_DigestReqInner_ntlmInit;
    ireq.u.ntlmInit = ntlm->init;

ret = digest_request(context, realm, ccache,
			 KRB5_KU_DIGEST_ENCRYPT, &ireq, &irep);
    if (ret)
	goto out;

if (irep.element == choice_DigestRepInner_error) {
	ret = irep.u.error.code;
	krb5_set_error_message(context, ret, N_("Digest init error: %s", ""),
			       irep.u.error.reason);
	goto out;
    }

if (irep.element != choice_DigestRepInner_ntlmInitReply) {
	ret = EINVAL;
	krb5_set_error_message(context, ret,
			       N_("ntlm reply not an initReply", ""));
	goto out;
    }

ret = copy_NTLMInitReply(&irep.u.ntlmInitReply, &ntlm->initReply);
    if (ret) {
	krb5_set_error_message(context, ret,
			       N_("Failed to copy initReply", ""));
	goto out;
    }

out:
    free_DigestRepInner(&irep);

return ret;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_init_get_flags(krb5_context context,
			 krb5_ntlm ntlm,
			 uint32_t *flags)
{
    *flags = ntlm->initReply.flags;
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_init_get_challange(krb5_context context,
			     krb5_ntlm ntlm,
			     krb5_data *challange)
{
    krb5_error_code ret;

ret = der_copy_octet_string(&ntlm->initReply.challange, challange);
    if (ret)
	krb5_clear_error_message(context);

return ret;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_init_get_opaque(krb5_context context,
			  krb5_ntlm ntlm,
			  krb5_data *opaque)
{
    krb5_error_code ret;

ret = der_copy_octet_string(&ntlm->initReply.opaque, opaque);
    if (ret)
	krb5_clear_error_message(context);

return ret;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_init_get_targetname(krb5_context context,
			      krb5_ntlm ntlm,
			      char **name)
{
    *name = strdup(ntlm->initReply.targetname);
    if (*name == NULL) {
	krb5_clear_error_message(context);
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_init_get_targetinfo(krb5_context context,
			      krb5_ntlm ntlm,
			      krb5_data *data)
{
    krb5_error_code ret;

if (ntlm->initReply.targetinfo == NULL) {
	krb5_data_zero(data);
	return 0;
    }

ret = krb5_data_copy(data,
			 ntlm->initReply.targetinfo->data,
			 ntlm->initReply.targetinfo->length);
    if (ret) {
	krb5_clear_error_message(context);
	return ret;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_request(krb5_context context,
		  krb5_ntlm ntlm,
		  krb5_realm realm,
		  krb5_ccache ccache)
{
    DigestReqInner ireq;
    DigestRepInner irep;
    krb5_error_code ret;

memset(&ireq, 0, sizeof(ireq));
    memset(&irep, 0, sizeof(irep));

ireq.element = choice_DigestReqInner_ntlmRequest;
    ireq.u.ntlmRequest = ntlm->request;

ret = digest_request(context, realm, ccache,
			 KRB5_KU_DIGEST_ENCRYPT, &ireq, &irep);
    if (ret)
	return ret;

if (irep.element == choice_DigestRepInner_error) {
	ret = irep.u.error.code;
	krb5_set_error_message(context, ret,
			       N_("NTLM response error: %s", ""),
			       irep.u.error.reason);
	goto out;
    }

if (irep.element != choice_DigestRepInner_ntlmResponse) {
	ret = EINVAL;
	krb5_set_error_message(context, ret,
			       N_("NTLM reply not an NTLMResponse", ""));
	goto out;
    }

ret = copy_NTLMResponse(&irep.u.ntlmResponse, &ntlm->response);
    if (ret) {
	krb5_set_error_message(context, ret,
			       N_("Failed to copy NTLMResponse", ""));
	goto out;
    }

out:
    free_DigestRepInner(&irep);

return ret;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_req_set_flags(krb5_context context,
			krb5_ntlm ntlm,
			uint32_t flags)
{
    ntlm->request.flags = flags;
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_req_set_username(krb5_context context,
			   krb5_ntlm ntlm,
			   const char *username)
{
    ntlm->request.username = strdup(username);
    if (ntlm->request.username == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_req_set_targetname(krb5_context context,
			     krb5_ntlm ntlm,
			     const char *targetname)
{
    ntlm->request.targetname = strdup(targetname);
    if (ntlm->request.targetname == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_req_set_lm(krb5_context context,
		     krb5_ntlm ntlm,
		     void *hash, size_t len)
{
    ntlm->request.lm.data = malloc(len);
    if (ntlm->request.lm.data == NULL && len != 0) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    ntlm->request.lm.length = len;
    memcpy(ntlm->request.lm.data, hash, len);
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_req_set_ntlm(krb5_context context,
		       krb5_ntlm ntlm,
		       void *hash, size_t len)
{
    ntlm->request.ntlm.data = malloc(len);
    if (ntlm->request.ntlm.data == NULL && len != 0) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    ntlm->request.ntlm.length = len;
    memcpy(ntlm->request.ntlm.data, hash, len);
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_req_set_opaque(krb5_context context,
			 krb5_ntlm ntlm,
			 krb5_data *opaque)
{
    ntlm->request.opaque.data = malloc(opaque->length);
    if (ntlm->request.opaque.data == NULL && opaque->length != 0) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    ntlm->request.opaque.length = opaque->length;
    memcpy(ntlm->request.opaque.data, opaque->data, opaque->length);
    return 0;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_req_set_session(krb5_context context,
			  krb5_ntlm ntlm,
			  void *sessionkey, size_t length)
{
    ntlm->request.sessionkey = calloc(1, sizeof(*ntlm->request.sessionkey));
    if (ntlm->request.sessionkey == NULL) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    ntlm->request.sessionkey->data = malloc(length);
    if (ntlm->request.sessionkey->data == NULL && length != 0) {
	krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
	return ENOMEM;
    }
    memcpy(ntlm->request.sessionkey->data, sessionkey, length);
    ntlm->request.sessionkey->length = length;
    return 0;
}

KRB5_LIB_FUNCTION krb5_boolean KRB5_LIB_CALL
krb5_ntlm_rep_get_status(krb5_context context,
			 krb5_ntlm ntlm)
{
    return ntlm->response.success ? TRUE : FALSE;
}

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_ntlm_rep_get_sessionkey(krb5_context context,
			     krb5_ntlm ntlm,
			     krb5_data *data)
{
    if (ntlm->response.sessionkey == NULL) {
	krb5_set_error_message(context, EINVAL,
			       N_("no ntlm session key", ""));
	return EINVAL;
    }
    krb5_clear_error_message(context);
    return krb5_data_copy(data,
			  ntlm->response.sessionkey->data,
			  ntlm->response.sessionkey->length);
}

/**
 * Get the supported/allowed mechanism for this principal.
 *
 * @param context A Keberos context.
 * @param realm The realm of the KDC.
 * @param ccache The credential cache to use when talking to the KDC.
 * @param flags The supported mechanism.
 *
 * @return Return an error code or 0.
 *
 * @ingroup krb5_digest
 */

KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_digest_probe(krb5_context context,
		  krb5_realm realm,
		  krb5_ccache ccache,
		  unsigned *flags)
{
    DigestReqInner ireq;
    DigestRepInner irep;
    krb5_error_code ret;

memset(&ireq, 0, sizeof(ireq));
    memset(&irep, 0, sizeof(irep));

ireq.element = choice_DigestReqInner_supportedMechs;

ret = digest_request(context, realm, ccache,
			 KRB5_KU_DIGEST_ENCRYPT, &ireq, &irep);
    if (ret)
	goto out;

if (irep.element == choice_DigestRepInner_error) {
	ret = irep.u.error.code;
	krb5_set_error_message(context, ret, "Digest probe error: %s",
			       irep.u.error.reason);
	goto out;
    }

if (irep.element != choice_DigestRepInner_supportedMechs) {
	ret = EINVAL;
	krb5_set_error_message(context, ret, "Digest reply not an probe");
	goto out;
    }

*flags = DigestTypes2int(irep.u.supportedMechs);

out:
    free_DigestRepInner(&irep);

return ret;
}

#endif /* HEIMDAL_SMALLER */

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