source: trunk/server/source4/torture/rpc/backupkey.c

/*
   Unix SMB/CIFS implementation.
   test suite for backupkey remote protocol rpc operations

   Copyright (C) Matthieu Patou 2010-2011

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "../libcli/security/security.h"
#include "librpc/gen_ndr/ndr_backupkey_c.h"
#include "librpc/gen_ndr/ndr_backupkey.h"
#include "librpc/gen_ndr/ndr_lsa_c.h"
#include "torture/rpc/torture_rpc.h"
#include "lib/cmdline/popt_common.h"
#include "heimdal/lib/hx509/hx_locl.h"

/* Our very special and valued secret */
/* No need to put const as we cast the array in uint8_t
 * we will get a warning about the discared const
 */
static const char secret[] = "tata yoyo mais qu'est ce qu'il y a sous ton grand chapeau ?";

/* Get the SID from a user */
static const struct dom_sid *get_user_sid(struct torture_context *tctx,
                                        struct dcerpc_pipe *p,
                                        TALLOC_CTX *mem_ctx,
                                        const char *user)
{
        struct lsa_ObjectAttribute attr;
        struct lsa_QosInfo qos;
        struct lsa_OpenPolicy2 r;
        struct lsa_Close c;
        NTSTATUS status;
        struct policy_handle handle;
        struct lsa_LookupNames l;
        struct lsa_TransSidArray sids;
        struct lsa_RefDomainList *domains = NULL;
        struct lsa_String lsa_name;
        uint32_t count = 0;
        struct dom_sid *result;
        TALLOC_CTX *tmp_ctx;
        struct dcerpc_pipe *p2;
        struct dcerpc_binding_handle *b;

        const char *domain = cli_credentials_get_domain(cmdline_credentials);

        torture_assert_ntstatus_ok(tctx,
                                torture_rpc_connection(tctx, &p2, &ndr_table_lsarpc),
                                "could not open lsarpc pipe");
        b = p2->binding_handle;

        if (!(tmp_ctx = talloc_new(mem_ctx))) {
                return NULL;
        }
        qos.len = 0;
        qos.impersonation_level = 2;
        qos.context_mode = 1;
        qos.effective_only = 0;

        attr.len = 0;
        attr.root_dir = NULL;
        attr.object_name = NULL;
        attr.attributes = 0;
        attr.sec_desc = NULL;
        attr.sec_qos = &qos;

        r.in.system_name = "\\";
        r.in.attr = &attr;
        r.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
        r.out.handle = &handle;

        status = dcerpc_lsa_OpenPolicy2_r(b, tmp_ctx, &r);
        if (!NT_STATUS_IS_OK(status)) {
                torture_comment(tctx,
                                "OpenPolicy2 failed - %s\n",
                                nt_errstr(status));
                talloc_free(tmp_ctx);
                return NULL;
        }
        if (!NT_STATUS_IS_OK(r.out.result)) {
                torture_comment(tctx,
                                "OpenPolicy2_ failed - %s\n",
                                nt_errstr(r.out.result));
                talloc_free(tmp_ctx);
                return NULL;
        }

        sids.count = 0;
        sids.sids = NULL;

        lsa_name.string = talloc_asprintf(tmp_ctx, "%s\\%s", domain, user);

        l.in.handle = &handle;
        l.in.num_names = 1;
        l.in.names = &lsa_name;
        l.in.sids = &sids;
        l.in.level = 1;
        l.in.count = &count;
        l.out.count = &count;
        l.out.sids = &sids;
        l.out.domains = &domains;

        status = dcerpc_lsa_LookupNames_r(b, tmp_ctx, &l);
        if (!NT_STATUS_IS_OK(status)) {
                torture_comment(tctx,
                                "LookupNames of %s failed - %s\n",
                                lsa_name.string,
                                nt_errstr(status));
                talloc_free(tmp_ctx);
                return NULL;
        }

        if (domains->count == 0) {
                return NULL;
        }

        result = dom_sid_add_rid(mem_ctx,
                                 domains->domains[0].sid,
                                 l.out.sids->sids[0].rid);
        c.in.handle = &handle;
        c.out.handle = &handle;

        status = dcerpc_lsa_Close_r(b, tmp_ctx, &c);

        if (!NT_STATUS_IS_OK(status)) {
                torture_comment(tctx,
                                "dcerpc_lsa_Close failed - %s\n",
                                nt_errstr(status));
                talloc_free(tmp_ctx);
                return NULL;
        }

        if (!NT_STATUS_IS_OK(c.out.result)) {
                torture_comment(tctx,
                                "dcerpc_lsa_Close failed - %s\n",
                                nt_errstr(c.out.result));
                talloc_free(tmp_ctx);
                return NULL;
        }

        talloc_free(tmp_ctx);
        talloc_free(p2);

        torture_comment(tctx, "Get_user_sid finished\n");
        return result;
}

/*
 * Create a bkrp_encrypted_secret_vX structure
 * the version depends on the version parameter
 * the structure is returned as a blob.
 * The broken flag is to indicate if we want
 * to create a non conform to specification structre
 */
static DATA_BLOB *create_unencryptedsecret(TALLOC_CTX *mem_ctx,
                                           bool broken,
                                           int version)
{
        TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
        DATA_BLOB *blob = talloc_zero(mem_ctx, DATA_BLOB);
        enum ndr_err_code ndr_err;

        if (version == 2) {
                struct bkrp_encrypted_secret_v2 unenc_sec;

                ZERO_STRUCT(unenc_sec);
                unenc_sec.secret_len = sizeof(secret);
                unenc_sec.secret = discard_const_p(uint8_t, secret);
                generate_random_buffer(unenc_sec.payload_key,
                                       sizeof(unenc_sec.payload_key));

                ndr_err = ndr_push_struct_blob(blob, blob, &unenc_sec,
                                (ndr_push_flags_fn_t)ndr_push_bkrp_encrypted_secret_v2);
                if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
                        return NULL;
                }

                if (broken) {
                        /* The magic value is correctly set by the NDR push
                         * but we want to test the behavior of the server
                         * if a differrent value is provided
                         */
                        ((uint8_t*)blob->data)[4] = 79; /* A great year !!! */
                }
        }

        if (version == 3) {
                struct bkrp_encrypted_secret_v3 unenc_sec;

                ZERO_STRUCT(unenc_sec);
                unenc_sec.secret_len = sizeof(secret);
                unenc_sec.secret = discard_const_p(uint8_t, secret);
                generate_random_buffer(unenc_sec.payload_key,
                                       sizeof(unenc_sec.payload_key));

                ndr_err = ndr_push_struct_blob(blob, blob, &unenc_sec,
                                        (ndr_push_flags_fn_t)ndr_push_bkrp_encrypted_secret_v3);
                if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
                        return NULL;
                }

                if (broken) {
                        /*
                         * The magic value is correctly set by the NDR push
                         * but we want to test the behavior of the server
                         * if a differrent value is provided
                         */
                        ((uint8_t*)blob->data)[4] = 79; /* A great year !!! */
                }
        }
        talloc_free(tmp_ctx);
        return blob;
}

/*
 * Create an access check structure, the format depends on the version parameter.
 * If broken is specified then we create a stucture that isn't conform to the 
 * specification.
 *
 * If the structure can't be created then NULL is returned.
 */
static DATA_BLOB *create_access_check(struct torture_context *tctx,
                                      struct dcerpc_pipe *p,
                                      TALLOC_CTX *mem_ctx,
                                      const char *user,
                                      bool broken,
                                      uint32_t version)
{
        TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
        DATA_BLOB *blob = talloc_zero(mem_ctx, DATA_BLOB);
        enum ndr_err_code ndr_err;
        const struct dom_sid *sid = get_user_sid(tctx, p, tmp_ctx, user);

        if (sid == NULL) {
                return NULL;
        }

        if (version == 2) {
                struct bkrp_access_check_v2 access_struct;
                struct sha sctx;
                uint8_t nonce[32];

                ZERO_STRUCT(access_struct);
                generate_random_buffer(nonce, sizeof(nonce));
                access_struct.nonce_len = sizeof(nonce);
                access_struct.nonce = nonce;
                access_struct.sid = *sid;

                ndr_err = ndr_push_struct_blob(blob, blob, &access_struct,
                                (ndr_push_flags_fn_t)ndr_push_bkrp_access_check_v2);
                if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
                        return NULL;
                }

                /*
                 * We pushed the whole structure including a null hash
                 * but the hash need to be calculated only up to the hash field
                 * so we reduce the size of what has to be calculated
                 */

                SHA1_Init(&sctx);
                SHA1_Update(&sctx, blob->data,
                            blob->length - sizeof(access_struct.hash));
                SHA1_Final(blob->data + blob->length - sizeof(access_struct.hash),
                           &sctx);

                /* Altering the SHA */
                if (broken) {
                        blob->data[blob->length - 1]++;
                }
        }

        if (version == 3) {
                struct bkrp_access_check_v3 access_struct;
                struct hc_sha512state sctx;
                uint8_t nonce[32];

                ZERO_STRUCT(access_struct);
                generate_random_buffer(nonce, sizeof(nonce));
                access_struct.nonce_len = sizeof(nonce);
                access_struct.nonce = nonce;
                access_struct.sid = *sid;

                ndr_err = ndr_push_struct_blob(blob, blob, &access_struct,
                                (ndr_push_flags_fn_t)ndr_push_bkrp_access_check_v3);
                if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
                        return NULL;
                }

                /*We pushed the whole structure including a null hash
                * but the hash need to be calculated only up to the hash field
                * so we reduce the size of what has to be calculated
                */

                SHA512_Init(&sctx);
                SHA512_Update(&sctx, blob->data,
                              blob->length - sizeof(access_struct.hash));
                SHA512_Final(blob->data + blob->length - sizeof(access_struct.hash),
                             &sctx);

                /* Altering the SHA */
                if (broken) {
                        blob->data[blob->length -1]++;
                }
        }
        talloc_free(tmp_ctx);
        return blob;
}


static DATA_BLOB *encrypt_blob(struct torture_context *tctx,
                                    TALLOC_CTX *mem_ctx,
                                    DATA_BLOB *key,
                                    DATA_BLOB *iv,
                                    DATA_BLOB *to_encrypt,
                                    const AlgorithmIdentifier *alg)
{
        hx509_crypto crypto;
        hx509_context hctx;
        heim_octet_string ivos;
        heim_octet_string *encrypted;
        DATA_BLOB *blob = talloc_zero(mem_ctx, DATA_BLOB);
        int res;

        ivos.data = talloc_array(mem_ctx, uint8_t, iv->length);
        ivos.length = iv->length;
        memcpy(ivos.data, iv->data, iv->length);

        hx509_context_init(&hctx);
        res = hx509_crypto_init(hctx, NULL, &alg->algorithm, &crypto);
        if (res) {
                torture_comment(tctx,
                                "error while doing the init of the crypto object\n");
                hx509_context_free(&hctx);
                return NULL;
        }
        res = hx509_crypto_set_key_data(crypto, key->data, key->length);
        if (res) {
                torture_comment(tctx,
                                "error while setting the key of the crypto object\n");
                hx509_context_free(&hctx);
                return NULL;
        }

        hx509_crypto_set_padding(crypto, HX509_CRYPTO_PADDING_NONE);
        res = hx509_crypto_encrypt(crypto,
                                   to_encrypt->data,
                                   to_encrypt->length,
                                   &ivos,
                                   &encrypted);
        if (res) {
                torture_comment(tctx, "error while encrypting\n");
                hx509_crypto_destroy(crypto);
                hx509_context_free(&hctx);
                return NULL;
        }

        *blob = data_blob_talloc(blob, encrypted->data, encrypted->length);
        der_free_octet_string(encrypted);
        free(encrypted);
        hx509_crypto_destroy(crypto);
        hx509_context_free(&hctx);
        return blob;
}

/*
 * Certs used for this protocol have a GUID in the issuer_uniq_id field.
 * This function fetch it.
 */
static struct GUID *get_cert_guid(struct torture_context *tctx,
                                  TALLOC_CTX *mem_ctx,
                                  uint8_t *cert_data,
                                  uint32_t cert_len)
{
        hx509_context hctx;
        hx509_cert cert;
        heim_bit_string subjectuniqid;
        DATA_BLOB data;
        int hret;
        uint32_t size;
        struct GUID *guid = talloc_zero(mem_ctx, struct GUID);
        NTSTATUS status;

        hx509_context_init(&hctx);

        hret = hx509_cert_init_data(hctx, cert_data, cert_len, &cert);
        if (hret) {
                torture_comment(tctx, "error while loading the cert\n");
                hx509_context_free(&hctx);
                return NULL;
        }
        hret = hx509_cert_get_issuer_unique_id(hctx, cert, &subjectuniqid);
        if (hret) {
                torture_comment(tctx, "error while getting the issuer_uniq_id\n");
                hx509_cert_free(cert);
                hx509_context_free(&hctx);
                return NULL;
        }

        /* The subjectuniqid is a bit string,
         * which means that the real size has to be divided by 8
         * to have the number of bytes
         */
        hx509_cert_free(cert);
        hx509_context_free(&hctx);
        size = subjectuniqid.length / 8;
        data = data_blob_const(subjectuniqid.data, size);

        status = GUID_from_data_blob(&data, guid);
        der_free_bit_string(&subjectuniqid);
        if (!NT_STATUS_IS_OK(status)) {
                return NULL;
        }

        return guid;
}

/*
 * Encrypt a blob with the private key of the certificate
 * passed as a parameter.
 */
static DATA_BLOB *encrypt_blob_pk(struct torture_context *tctx,
                                  TALLOC_CTX *mem_ctx,
                                  uint8_t *cert_data,
                                  uint32_t cert_len,
                                  DATA_BLOB *to_encrypt)
{
        hx509_context hctx;
        hx509_cert cert;
        heim_octet_string secretdata;
        heim_octet_string encrypted;
        heim_oid encryption_oid;
        DATA_BLOB *blob;
        int hret;

        hx509_context_init(&hctx);

        hret = hx509_cert_init_data(hctx, cert_data, cert_len, &cert);
        if (hret) {
                torture_comment(tctx, "error while loading the cert\n");
                hx509_context_free(&hctx);
                return NULL;
        }

        secretdata.data = to_encrypt->data;
        secretdata.length = to_encrypt->length;
        hret = hx509_cert_public_encrypt(hctx, &secretdata,
                                          cert, &encryption_oid,
                                          &encrypted);
        hx509_cert_free(cert);
        hx509_context_free(&hctx);
        if (hret) {
                torture_comment(tctx, "error while encrypting\n");
                return NULL;
        }

        blob = talloc_zero(mem_ctx, DATA_BLOB);
        if (blob == NULL) {
                der_free_oid(&encryption_oid);
                der_free_octet_string(&encrypted);
                return NULL;
        }

        *blob = data_blob_talloc(blob, encrypted.data, encrypted.length);
        der_free_octet_string(&encrypted);
        der_free_oid(&encryption_oid);
        if (blob->data == NULL) {
                return NULL;
        }

        return blob;
}


static struct bkrp_BackupKey *createRetreiveBackupKeyGUIDStruct(struct torture_context *tctx,
                                struct dcerpc_pipe *p, int version, DATA_BLOB *out)
{
        struct dcerpc_binding *binding = p->binding;
        struct bkrp_client_side_wrapped data;
        struct GUID *g = talloc(tctx, struct GUID);
        struct bkrp_BackupKey *r = talloc_zero(tctx, struct bkrp_BackupKey);
        enum ndr_err_code ndr_err;
        DATA_BLOB blob;
        NTSTATUS status;

        if (r == NULL) {
                return NULL;
        }

        binding->flags = binding->flags & (DCERPC_SEAL|DCERPC_AUTH_SPNEGO);
        ZERO_STRUCT(data);
        status = GUID_from_string(BACKUPKEY_RETRIEVE_BACKUP_KEY_GUID, g);
        if (!NT_STATUS_IS_OK(status)) {
                return NULL;
        }

        r->in.guidActionAgent = g;
        data.version = version;
        ndr_err = ndr_push_struct_blob(&blob, tctx, &data,
                        (ndr_push_flags_fn_t)ndr_push_bkrp_client_side_wrapped);
        if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
                return NULL;
        }
        r->in.data_in = blob.data;
        r->in.data_in_len = blob.length;
        r->out.data_out = &out->data;
        r->out.data_out_len = talloc(r, uint32_t);
        return r;
}

static struct bkrp_BackupKey *createRestoreGUIDStruct(struct torture_context *tctx,
                                struct dcerpc_pipe *p, int version, DATA_BLOB *out,
                                bool norevert,
                                bool broken_version,
                                bool broken_user,
                                bool broken_magic_secret,
                                bool broken_magic_access,
                                bool broken_hash_access,
                                bool broken_cert_guid)
{
        struct dcerpc_binding_handle *b = p->binding_handle;
        struct bkrp_client_side_wrapped data;
        DATA_BLOB *xs;
        DATA_BLOB *sec;
        DATA_BLOB *enc_sec;
        DATA_BLOB *enc_xs;
        DATA_BLOB *blob2;
        DATA_BLOB enc_sec_reverted;
        DATA_BLOB des3_key;
        DATA_BLOB aes_key;
        DATA_BLOB iv;
        DATA_BLOB out_blob;
        struct GUID *guid, *g;
        int t;
        uint32_t size;
        enum ndr_err_code ndr_err;
        NTSTATUS status;
        const char *user;
        struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, version, &out_blob);
        if (r == NULL) {
                return NULL;
        }

        if (broken_user) {
                /* we take a fake user*/
                user = "guest";
        } else {
                user = cli_credentials_get_username(cmdline_credentials);
        }


        torture_assert_ntstatus_ok(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r),
                                        "Get GUID");
        /*
         * We have to set it outside of the function createRetreiveBackupKeyGUIDStruct
         * the len of the blob, this is due to the fact that they don't have the
         * same size (one is 32bits the other 64bits)
         */
        out_blob.length = *r->out.data_out_len;

        sec = create_unencryptedsecret(tctx, broken_magic_secret, version);
        if (sec == NULL) {
                return NULL;
        }

        xs = create_access_check(tctx, p, tctx, user, broken_hash_access, version);
        if (xs == NULL) {
                return NULL;
        }

        if (broken_magic_access){
                /* The start of the access_check structure contains the 
                 * GUID of the certificate
                 */
                xs->data[0]++;
        }

        enc_sec = encrypt_blob_pk(tctx, tctx, out_blob.data, out_blob.length, sec);
        if (!enc_sec) {
                return NULL;
        }
        enc_sec_reverted.data = talloc_array(tctx, uint8_t, enc_sec->length);
        if (enc_sec_reverted.data == NULL) {
                return NULL;
        }
        enc_sec_reverted.length = enc_sec->length;

        /*
        * We DO NOT revert the array on purpose it's in order to check that
        * when the server is not able to decrypt then it answer the correct error
        */
        if (norevert) {
                for(t=0; t< enc_sec->length; t++) {
                        enc_sec_reverted.data[t] = ((uint8_t*)enc_sec->data)[t];
                }
        } else {
                for(t=0; t< enc_sec->length; t++) {
                        enc_sec_reverted.data[t] = ((uint8_t*)enc_sec->data)[enc_sec->length - t -1];
                }
        }

        size = sec->length;
        if (version ==2) {
                const AlgorithmIdentifier *alg = hx509_crypto_des_rsdi_ede3_cbc();
                iv.data = sec->data+(size - 8);
                iv.length = 8;

                des3_key.data = sec->data+(size - 32);
                des3_key.length = 24;

                enc_xs = encrypt_blob(tctx, tctx, &des3_key, &iv, xs, alg);
        }
        if (version == 3) {
                const AlgorithmIdentifier *alg = hx509_crypto_aes256_cbc();
                iv.data = sec->data+(size-16);
                iv.length = 16;

                aes_key.data = sec->data+(size-48);
                aes_key.length = 32;

                enc_xs = encrypt_blob(tctx, tctx, &aes_key, &iv, xs, alg);
        }

        if (!enc_xs) {
                return NULL;
        }

        /* To cope with the fact that heimdal do padding at the end for the moment */
        enc_xs->length = xs->length;

        guid = get_cert_guid(tctx, tctx, out_blob.data, out_blob.length);
        if (guid == NULL) {
                return NULL;
        }

        if (broken_version) {
                data.version = 1;
        } else {
                data.version = version;
        }

        data.guid = *guid;
        data.encrypted_secret = enc_sec_reverted.data;
        data.access_check = enc_xs->data;
        data.encrypted_secret_len = enc_sec->length;
        data.access_check_len = enc_xs->length;

        /* We want the blob to persist after this function so we don't
         * allocate it in the stack
         */
        blob2 = talloc(tctx, DATA_BLOB);
        if (blob2 == NULL) {
                return NULL;
        }

        ndr_err = ndr_push_struct_blob(blob2, tctx, &data,
                        (ndr_push_flags_fn_t)ndr_push_bkrp_client_side_wrapped);
        if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
                return NULL;
        }

        if (broken_cert_guid) {
                blob2->data[12]++;
        }

        ZERO_STRUCT(*r);

        g = talloc(tctx, struct GUID);
        if (g == NULL) {
                return NULL;
        }

        status = GUID_from_string(BACKUPKEY_RESTORE_GUID, g);
        if (!NT_STATUS_IS_OK(status)) {
                return NULL;
        }

        r->in.guidActionAgent = g;
        r->in.data_in = blob2->data;
        r->in.data_in_len = blob2->length;
        r->in.param = 0;
        r->out.data_out = &(out->data);
        r->out.data_out_len = talloc(r, uint32_t);
        return r;
}

/* Check that we are able to receive the certificate of the DCs
 * used for client wrap version of the backup key protocol
 */
static bool test_RetreiveBackupKeyGUID(struct torture_context *tctx,
                                        struct dcerpc_pipe *p)
{
        struct dcerpc_binding_handle *b = p->binding_handle;
        DATA_BLOB out_blob;
        struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, 2, &out_blob);

        if (r == NULL) {
                return false;
        }

        if (p->conn->security_state.auth_info != NULL &&
            p->conn->security_state.auth_info->auth_level == 6) {
                torture_assert_ntstatus_ok(tctx,
                                dcerpc_bkrp_BackupKey_r(b, tctx, r),
                                "Get GUID");

                out_blob.length = *r->out.data_out_len;
                torture_assert_werr_equal(tctx,
                                                r->out.result,
                                                WERR_OK,
                                                "Wrong dce/rpc error code");
        } else {
                torture_assert_ntstatus_equal(tctx,
                                                dcerpc_bkrp_BackupKey_r(b, tctx, r),
                                                NT_STATUS_ACCESS_DENIED,
                                                "Get GUID");
        }
        return true;
}

/* Test to check the failure to recover a secret because the 
 * secret blob is not reversed
 */
static bool test_RestoreGUID_ko(struct torture_context *tctx,
                                struct dcerpc_pipe *p)
{
        enum ndr_err_code ndr_err;
        struct dcerpc_binding_handle *b = p->binding_handle;
        DATA_BLOB out_blob;
        struct bkrp_client_side_unwrapped resp;

        if (p->conn->security_state.auth_info != NULL &&
            p->conn->security_state.auth_info->auth_level == 6) {
                struct bkrp_BackupKey *r = createRestoreGUIDStruct(tctx, p, 2, &out_blob,
                                        true, false, false, false, false, false, false);
                torture_assert_ntstatus_ok(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r), "Restore GUID");
                out_blob.length = *r->out.data_out_len;
                ndr_err = ndr_pull_struct_blob(&out_blob, tctx, &resp, (ndr_pull_flags_fn_t)ndr_pull_bkrp_client_side_unwrapped);
                torture_assert_int_equal(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), 0, "Unable to unmarshall bkrp_client_side_unwrapped");
                torture_assert_werr_equal(tctx, r->out.result, WERR_INVALID_DATA, "Wrong error code");
        } else {
                struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, 2, &out_blob);
                torture_assert_ntstatus_equal(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r),
                        NT_STATUS_ACCESS_DENIED, "Get GUID");
        }
        return true;
}

static bool test_RestoreGUID_wrongversion(struct torture_context *tctx,
                                          struct dcerpc_pipe *p)
{
        enum ndr_err_code ndr_err;
        struct dcerpc_binding_handle *b = p->binding_handle;
        DATA_BLOB out_blob;
        struct bkrp_client_side_unwrapped resp;

        if (p->conn->security_state.auth_info != NULL &&
            p->conn->security_state.auth_info->auth_level == 6) {
                struct bkrp_BackupKey *r = createRestoreGUIDStruct(tctx, p, 2, &out_blob,
                                        false, true, false, false, false, false, false);
                torture_assert_ntstatus_ok(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r), "Restore GUID");
                out_blob.length = *r->out.data_out_len;
                ndr_err = ndr_pull_struct_blob(&out_blob, tctx, &resp, (ndr_pull_flags_fn_t)ndr_pull_bkrp_client_side_unwrapped);
                torture_assert_int_equal(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), 0, "Unable to unmarshall bkrp_client_side_unwrapped");
                torture_assert_werr_equal(tctx, r->out.result, WERR_INVALID_PARAM, "Wrong error code on wrong version");
        } else {
                struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, 2, &out_blob);
                torture_assert_ntstatus_equal(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r),
                        NT_STATUS_ACCESS_DENIED, "Get GUID");
        }
        return true;
}

static bool test_RestoreGUID_wronguser(struct torture_context *tctx,
                                       struct dcerpc_pipe *p)
{
        enum ndr_err_code ndr_err;
        struct dcerpc_binding_handle *b = p->binding_handle;
        DATA_BLOB out_blob;
        struct bkrp_client_side_unwrapped resp;

        if (p->conn->security_state.auth_info != NULL &&
            p->conn->security_state.auth_info->auth_level == 6) {
                struct bkrp_BackupKey *r = createRestoreGUIDStruct(tctx, p, 2, &out_blob,
                                        false, false, true, false, false, false, false);
                torture_assert_ntstatus_ok(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r), "Restore GUID");
                out_blob.length = *r->out.data_out_len;
                ndr_err = ndr_pull_struct_blob(&out_blob, tctx, &resp, (ndr_pull_flags_fn_t)ndr_pull_bkrp_client_side_unwrapped);
                torture_assert_int_equal(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), 0, "Unable to unmarshall bkrp_client_side_unwrapped");
                torture_assert_werr_equal(tctx, r->out.result, WERR_INVALID_ACCESS, "Restore GUID");
        } else {
                struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, 2, &out_blob);
                torture_assert_ntstatus_equal(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r),
                        NT_STATUS_ACCESS_DENIED, "Get GUID");
        }
        return true;
}

static bool test_RestoreGUID_v3(struct torture_context *tctx,
                                struct dcerpc_pipe *p)
{
        enum ndr_err_code ndr_err;
        struct dcerpc_binding_handle *b = p->binding_handle;
        DATA_BLOB out_blob;
        struct bkrp_client_side_unwrapped resp;

        if (p->conn->security_state.auth_info != NULL &&
            p->conn->security_state.auth_info->auth_level == 6) {
                struct bkrp_BackupKey *r = createRestoreGUIDStruct(tctx, p, 3, &out_blob,
                                        false, false, false, false, false, false, false);
                torture_assert_ntstatus_ok(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r), "Restore GUID");
                out_blob.length = *r->out.data_out_len;
                ndr_err = ndr_pull_struct_blob(&out_blob, tctx, &resp, (ndr_pull_flags_fn_t)ndr_pull_bkrp_client_side_unwrapped);
                torture_assert_int_equal(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), 1, "Unable to unmarshall bkrp_client_side_unwrapped");
                torture_assert_werr_equal(tctx, r->out.result, WERR_OK, "Restore GUID");
                torture_assert_str_equal(tctx, (char*)resp.secret.data, secret, "Wrong secret");
        } else {
                struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, 2, &out_blob);
                torture_assert_ntstatus_equal(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r),
                        NT_STATUS_ACCESS_DENIED, "Get GUID");
        }
        return true;
}

static bool test_RestoreGUID(struct torture_context *tctx,
                             struct dcerpc_pipe *p)
{
        enum ndr_err_code ndr_err;
        struct dcerpc_binding_handle *b = p->binding_handle;
        DATA_BLOB out_blob;
        struct bkrp_client_side_unwrapped resp;

        if (p->conn->security_state.auth_info != NULL &&
            p->conn->security_state.auth_info->auth_level == 6) {
                struct bkrp_BackupKey *r = createRestoreGUIDStruct(tctx, p, 2, &out_blob,
                                        false, false, false, false, false, false, false);
                torture_assert_ntstatus_ok(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r), "Restore GUID");
                out_blob.length = *r->out.data_out_len;
                ndr_err = ndr_pull_struct_blob(&out_blob, tctx, &resp, (ndr_pull_flags_fn_t)ndr_pull_bkrp_client_side_unwrapped);
                torture_assert_int_equal(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), 1, "Unable to unmarshall bkrp_client_side_unwrapped");
                torture_assert_werr_equal(tctx, r->out.result, WERR_OK, "Restore GUID");
                torture_assert_str_equal(tctx, (char*)resp.secret.data, secret, "Wrong secret");
        } else {
                struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, 2, &out_blob);
                torture_assert_ntstatus_equal(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r),
                        NT_STATUS_ACCESS_DENIED, "Get GUID");
        }
        return true;
}

static bool test_RestoreGUID_badmagiconsecret(struct torture_context *tctx,
                                              struct dcerpc_pipe *p)
{
        enum ndr_err_code ndr_err;
        struct dcerpc_binding_handle *b = p->binding_handle;
        DATA_BLOB out_blob;
        struct bkrp_client_side_unwrapped resp;

        if (p->conn->security_state.auth_info != NULL &&
            p->conn->security_state.auth_info->auth_level == 6) {
                struct bkrp_BackupKey *r = createRestoreGUIDStruct(tctx, p, 3, &out_blob,
                                        false, false, false, true, false, false, false);
                torture_assert_ntstatus_ok(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r), "Restore GUID");
                out_blob.length = *r->out.data_out_len;
                ndr_err = ndr_pull_struct_blob(&out_blob, tctx, &resp, (ndr_pull_flags_fn_t)ndr_pull_bkrp_client_side_unwrapped);
                torture_assert_int_equal(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), 0, "Unable to unmarshall bkrp_client_side_unwrapped");
                torture_assert_werr_equal(tctx, r->out.result, WERR_INVALID_DATA, "Wrong error code while providing bad magic in secret");
        } else {
                struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, 2, &out_blob);
                torture_assert_ntstatus_equal(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r),
                        NT_STATUS_ACCESS_DENIED, "Get GUID");
        }
        return true;
}

static bool test_RestoreGUID_emptyrequest(struct torture_context *tctx,
                                          struct dcerpc_pipe *p)
{
        struct dcerpc_binding_handle *b = p->binding_handle;
        DATA_BLOB out_blob;

        if (p->conn->security_state.auth_info != NULL &&
            p->conn->security_state.auth_info->auth_level == 6) {
                struct bkrp_BackupKey *r = createRestoreGUIDStruct(tctx, p, 3, &out_blob,
                                        false, false, false, true, false, false, true);

                torture_assert_int_equal(tctx, r != NULL, 1, "Error while creating the restoreGUID struct");
                r->in.data_in = talloc(tctx, uint8_t);
                r->in.data_in_len = 0;
                r->in.param = 0;
                torture_assert_ntstatus_ok(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r), "Restore GUID");
                out_blob.length = *r->out.data_out_len;
                torture_assert_werr_equal(tctx, r->out.result, WERR_INVALID_PARAM, "Bad error code on wrong has in access check");
        } else {
                struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, 2, &out_blob);
                torture_assert_ntstatus_equal(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r),
                        NT_STATUS_ACCESS_DENIED, "Get GUID");
        }
        return true;
}

static bool test_RestoreGUID_badcertguid(struct torture_context *tctx,
                                         struct dcerpc_pipe *p)
{
        enum ndr_err_code ndr_err;
        struct dcerpc_binding_handle *b = p->binding_handle;
        DATA_BLOB out_blob;
        struct bkrp_client_side_unwrapped resp;

        if (p->conn->security_state.auth_info != NULL &&
            p->conn->security_state.auth_info->auth_level == 6) {
                struct bkrp_BackupKey *r = createRestoreGUIDStruct(tctx, p, 3, &out_blob,
                                        false, false, false, false, false, false, true);
                torture_assert_ntstatus_ok(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r), "Restore GUID");
                out_blob.length = *r->out.data_out_len;
                ndr_err = ndr_pull_struct_blob(&out_blob, tctx, &resp, (ndr_pull_flags_fn_t)ndr_pull_bkrp_client_side_unwrapped);
                torture_assert_int_equal(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), 0, "Unable to unmarshall bkrp_client_side_unwrapped");
                torture_assert_werr_equal(tctx, r->out.result, WERR_FILE_NOT_FOUND, "Bad error code on wrong has in access check");
        } else {
                struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, 2, &out_blob);
                torture_assert_ntstatus_equal(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r),
                        NT_STATUS_ACCESS_DENIED, "Get GUID");
        }
        return true;
}

static bool test_RestoreGUID_badmagicaccesscheck(struct torture_context *tctx,
                                                 struct dcerpc_pipe *p)
{
        enum ndr_err_code ndr_err;
        struct dcerpc_binding_handle *b = p->binding_handle;
        DATA_BLOB out_blob;
        struct bkrp_client_side_unwrapped resp;

        if (p->conn->security_state.auth_info != NULL &&
            p->conn->security_state.auth_info->auth_level == 6) {
                struct bkrp_BackupKey *r = createRestoreGUIDStruct(tctx, p, 2, &out_blob,
                                        false, false, false, false, true, false, false);
                torture_assert_ntstatus_ok(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r), "Restore GUID");
                out_blob.length = *r->out.data_out_len;
                ndr_err = ndr_pull_struct_blob(&out_blob, tctx, &resp, (ndr_pull_flags_fn_t)ndr_pull_bkrp_client_side_unwrapped);
                torture_assert_int_equal(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), 0, "Unable to unmarshall bkrp_client_side_unwrapped");
                torture_assert_werr_equal(tctx, r->out.result, WERR_INVALID_DATA, "Bad error code on wrong has in access check");
        } else {
                struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, 2, &out_blob);
                torture_assert_ntstatus_equal(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r),
                        NT_STATUS_ACCESS_DENIED, "Get GUID");
        }
        return true;
}

static bool test_RestoreGUID_badhashaccesscheck(struct torture_context *tctx,
                                                struct dcerpc_pipe *p)
{
        enum ndr_err_code ndr_err;
        struct dcerpc_binding_handle *b = p->binding_handle;
        DATA_BLOB out_blob;
        struct bkrp_client_side_unwrapped resp;

        if (p->conn->security_state.auth_info != NULL &&
            p->conn->security_state.auth_info->auth_level == 6) {
                struct bkrp_BackupKey *r = createRestoreGUIDStruct(tctx, p, 2, &out_blob,
                                        false, false, false, false, false, true, false);
                torture_assert_ntstatus_ok(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r), "Restore GUID");
                out_blob.length = *r->out.data_out_len;
                ndr_err = ndr_pull_struct_blob(&out_blob, tctx, &resp, (ndr_pull_flags_fn_t)ndr_pull_bkrp_client_side_unwrapped);
                torture_assert_int_equal(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), 0, "Unable to unmarshall bkrp_client_side_unwrapped");
                torture_assert_werr_equal(tctx, r->out.result, WERR_INVALID_DATA, "Bad error code on wrong has in access check");
        } else {
                struct bkrp_BackupKey *r = createRetreiveBackupKeyGUIDStruct(tctx, p, 2, &out_blob);
                torture_assert_ntstatus_equal(tctx, dcerpc_bkrp_BackupKey_r(b, tctx, r),
                        NT_STATUS_ACCESS_DENIED, "Get GUID");
        }
        return true;
}

struct torture_suite *torture_rpc_backupkey(TALLOC_CTX *mem_ctx)
{
        struct torture_rpc_tcase *tcase;
        struct torture_suite *suite = torture_suite_create(mem_ctx, "backupkey");
        struct torture_test *test;

        tcase = torture_suite_add_rpc_iface_tcase(suite, "backupkey",
                                                  &ndr_table_backupkey);

        test = torture_rpc_tcase_add_test(tcase, "retreive_backup_key_guid",
                                          test_RetreiveBackupKeyGUID);

        test = torture_rpc_tcase_add_test(tcase, "restore_guid",
                                          test_RestoreGUID);

        test = torture_rpc_tcase_add_test(tcase, "restore_guid version 3",
                                          test_RestoreGUID_v3);

/* We double the test in order to be sure that we don't mess stuff (ie. freeing static stuff */

        test = torture_rpc_tcase_add_test(tcase, "restore_guid_2nd",
                                          test_RestoreGUID);

        test = torture_rpc_tcase_add_test(tcase, "unable_to_decrypt_secret",
                                          test_RestoreGUID_ko);

        test = torture_rpc_tcase_add_test(tcase, "wrong_user_restore_guid",
                                          test_RestoreGUID_wronguser);

        test = torture_rpc_tcase_add_test(tcase, "wrong_version_restore_guid",
                                          test_RestoreGUID_wrongversion);

        test = torture_rpc_tcase_add_test(tcase, "bad_magic_on_secret_restore_guid",
                                          test_RestoreGUID_badmagiconsecret);

        test = torture_rpc_tcase_add_test(tcase, "bad_hash_on_secret_restore_guid",
                                          test_RestoreGUID_badhashaccesscheck);

        test = torture_rpc_tcase_add_test(tcase, "bad_magic_on_accesscheck_restore_guid",
                                          test_RestoreGUID_badmagicaccesscheck);

        test = torture_rpc_tcase_add_test(tcase, "bad_cert_guid_restore_guid",
                                          test_RestoreGUID_badcertguid);

        test = torture_rpc_tcase_add_test(tcase, "empty_request_restore_guid",
                                          test_RestoreGUID_emptyrequest);

        return suite;
}