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* GSSAPI Security Extensions
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* RPC Pipe client and server routines
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* Copyright (C) Simo Sorce 2010.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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/* We support only GSSAPI/KRB5 here */
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#if defined(HAVE_KRB5) \
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&& defined(HAVE_GSSAPI_GSSAPI_EXT_H) \
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&& defined(HAVE_GSS_WRAP_IOV) \
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&& defined(HAVE_GSS_GET_NAME_ATTRIBUTE)
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#include <gssapi/gssapi.h>
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#include <gssapi/gssapi_krb5.h>
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#include <gssapi/gssapi_ext.h>
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#ifndef GSS_KRB5_INQ_SSPI_SESSION_KEY_OID
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#define GSS_KRB5_INQ_SSPI_SESSION_KEY_OID_LENGTH 11
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#define GSS_KRB5_INQ_SSPI_SESSION_KEY_OID "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x05\x05"
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gss_OID_desc gse_sesskey_inq_oid = {
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GSS_KRB5_INQ_SSPI_SESSION_KEY_OID_LENGTH,
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(void *)GSS_KRB5_INQ_SSPI_SESSION_KEY_OID
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#ifndef GSS_KRB5_SESSION_KEY_ENCTYPE_OID
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#define GSS_KRB5_SESSION_KEY_ENCTYPE_OID_LENGTH 10
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#define GSS_KRB5_SESSION_KEY_ENCTYPE_OID "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x04"
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gss_OID_desc gse_sesskeytype_oid = {
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GSS_KRB5_SESSION_KEY_ENCTYPE_OID_LENGTH,
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(void *)GSS_KRB5_SESSION_KEY_ENCTYPE_OID
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#define GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID_LENGTH 12
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/* EXTRACTION OID AUTHZ ID */
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#define GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x05\x0a" "\x01"
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gss_OID_desc gse_authz_data_oid = {
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GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID_LENGTH,
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(void *)GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID
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#ifndef GSS_KRB5_EXTRACT_AUTHTIME_FROM_SEC_CONTEXT_OID
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#define GSS_KRB5_EXTRACT_AUTHTIME_FROM_SEC_CONTEXT_OID_LENGTH 11
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#define GSS_KRB5_EXTRACT_AUTHTIME_FROM_SEC_CONTEXT_OID "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x05\x0c"
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gss_OID_desc gse_authtime_oid = {
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GSS_KRB5_EXTRACT_AUTHTIME_FROM_SEC_CONTEXT_OID_LENGTH,
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(void *)GSS_KRB5_EXTRACT_AUTHTIME_FROM_SEC_CONTEXT_OID
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static char *gse_errstr(TALLOC_CTX *mem_ctx, OM_uint32 maj, OM_uint32 min);
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gss_OID_desc gss_mech;
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OM_uint32 gss_c_flags;
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gss_name_t server_name;
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gss_cred_id_t delegated_creds;
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gss_name_t client_name;
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/* free non talloc dependent contexts */
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static int gse_context_destructor(void *ptr)
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struct gse_context *gse_ctx;
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OM_uint32 gss_min, gss_maj;
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gse_ctx = talloc_get_type_abort(ptr, struct gse_context);
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if (gse_ctx->k5ctx) {
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if (gse_ctx->ccache) {
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krb5_cc_close(gse_ctx->k5ctx, gse_ctx->ccache);
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gse_ctx->ccache = NULL;
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if (gse_ctx->keytab) {
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krb5_kt_close(gse_ctx->k5ctx, gse_ctx->keytab);
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gse_ctx->keytab = NULL;
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krb5_free_context(gse_ctx->k5ctx);
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gse_ctx->k5ctx = NULL;
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if (gse_ctx->gss_ctx != GSS_C_NO_CONTEXT) {
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gss_maj = gss_delete_sec_context(&gss_min,
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if (gse_ctx->server_name) {
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gss_maj = gss_release_name(&gss_min,
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&gse_ctx->server_name);
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if (gse_ctx->client_name) {
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gss_maj = gss_release_name(&gss_min,
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&gse_ctx->client_name);
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if (gse_ctx->creds) {
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gss_maj = gss_release_cred(&gss_min,
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if (gse_ctx->delegated_creds) {
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gss_maj = gss_release_cred(&gss_min,
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&gse_ctx->delegated_creds);
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if (gse_ctx->ret_mech) {
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gss_maj = gss_release_oid(&gss_min,
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static NTSTATUS gse_context_init(TALLOC_CTX *mem_ctx,
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bool do_sign, bool do_seal,
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const char *ccache_name,
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uint32_t add_gss_c_flags,
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struct gse_context **_gse_ctx)
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struct gse_context *gse_ctx;
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krb5_error_code k5ret;
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gse_ctx = talloc_zero(mem_ctx, struct gse_context);
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return NT_STATUS_NO_MEMORY;
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talloc_set_destructor((TALLOC_CTX *)gse_ctx, gse_context_destructor);
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memcpy(&gse_ctx->gss_mech, gss_mech_krb5, sizeof(gss_OID_desc));
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gse_ctx->gss_c_flags = GSS_C_MUTUAL_FLAG |
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GSS_C_DELEG_POLICY_FLAG |
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gse_ctx->gss_c_flags |= GSS_C_INTEG_FLAG;
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gse_ctx->gss_c_flags |= GSS_C_CONF_FLAG;
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gse_ctx->gss_c_flags |= add_gss_c_flags;
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/* Initialize Kerberos Context */
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initialize_krb5_error_table();
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k5ret = krb5_init_context(&gse_ctx->k5ctx);
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DEBUG(0, ("Failed to initialize kerberos context! (%s)\n",
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error_message(k5ret)));
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status = NT_STATUS_INTERNAL_ERROR;
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ccache_name = krb5_cc_default_name(gse_ctx->k5ctx);
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k5ret = krb5_cc_resolve(gse_ctx->k5ctx, ccache_name,
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DEBUG(1, ("Failed to resolve credential cache! (%s)\n",
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error_message(k5ret)));
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status = NT_STATUS_INTERNAL_ERROR;
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/* TODO: Should we enforce a enc_types list ?
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ret = krb5_set_default_tgs_ktypes(gse_ctx->k5ctx, enc_types);
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TALLOC_FREE(gse_ctx);
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NTSTATUS gse_init_client(TALLOC_CTX *mem_ctx,
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bool do_sign, bool do_seal,
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const char *ccache_name,
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const char *username,
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const char *password,
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uint32_t add_gss_c_flags,
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struct gse_context **_gse_ctx)
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struct gse_context *gse_ctx;
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OM_uint32 gss_maj, gss_min;
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gss_buffer_desc name_buffer = {0, NULL};
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gss_OID_set_desc mech_set;
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if (!server || !service) {
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return NT_STATUS_INVALID_PARAMETER;
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status = gse_context_init(mem_ctx, do_sign, do_seal,
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ccache_name, add_gss_c_flags,
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if (!NT_STATUS_IS_OK(status)) {
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return NT_STATUS_NO_MEMORY;
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name_buffer.value = talloc_asprintf(gse_ctx,
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"%s@%s", service, server);
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if (!name_buffer.value) {
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status = NT_STATUS_NO_MEMORY;
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name_buffer.length = strlen((char *)name_buffer.value);
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gss_maj = gss_import_name(&gss_min, &name_buffer,
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GSS_C_NT_HOSTBASED_SERVICE,
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&gse_ctx->server_name);
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DEBUG(0, ("gss_import_name failed for %s, with [%s]\n",
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(char *)name_buffer.value,
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gse_errstr(gse_ctx, gss_maj, gss_min)));
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status = NT_STATUS_INTERNAL_ERROR;
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/* TODO: get krb5 ticket using username/password, if no valid
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* one already available in ccache */
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mech_set.elements = &gse_ctx->gss_mech;
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gss_maj = gss_acquire_cred(&gss_min,
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DEBUG(0, ("gss_acquire_creds failed for %s, with [%s]\n",
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(char *)name_buffer.value,
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gse_errstr(gse_ctx, gss_maj, gss_min)));
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status = NT_STATUS_INTERNAL_ERROR;
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TALLOC_FREE(name_buffer.value);
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TALLOC_FREE(name_buffer.value);
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TALLOC_FREE(gse_ctx);
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NTSTATUS gse_get_client_auth_token(TALLOC_CTX *mem_ctx,
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struct gse_context *gse_ctx,
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DATA_BLOB *token_out)
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OM_uint32 gss_maj, gss_min;
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gss_buffer_desc in_data;
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gss_buffer_desc out_data;
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DATA_BLOB blob = data_blob_null;
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in_data.value = token_in->data;
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in_data.length = token_in->length;
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gss_maj = gss_init_sec_context(&gss_min,
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gse_ctx->server_name,
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gse_ctx->gss_c_flags,
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0, GSS_C_NO_CHANNEL_BINDINGS,
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&in_data, NULL, &out_data,
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/* we are done with it */
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gse_ctx->more_processing = false;
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status = NT_STATUS_OK;
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case GSS_S_CONTINUE_NEEDED:
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/* we will need a third leg */
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gse_ctx->more_processing = true;
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/* status = NT_STATUS_MORE_PROCESSING_REQUIRED; */
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status = NT_STATUS_OK;
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DEBUG(0, ("gss_init_sec_context failed with [%s]\n",
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gse_errstr(talloc_tos(), gss_maj, gss_min)));
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status = NT_STATUS_INTERNAL_ERROR;
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blob = data_blob_talloc(mem_ctx, out_data.value, out_data.length);
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status = NT_STATUS_NO_MEMORY;
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gss_maj = gss_release_buffer(&gss_min, &out_data);
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NTSTATUS gse_init_server(TALLOC_CTX *mem_ctx,
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bool do_sign, bool do_seal,
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uint32_t add_gss_c_flags,
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const char *keytab_name,
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struct gse_context **_gse_ctx)
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struct gse_context *gse_ctx;
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OM_uint32 gss_maj, gss_min;
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gss_OID_set_desc mech_set;
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status = gse_context_init(mem_ctx, do_sign, do_seal,
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NULL, add_gss_c_flags, &gse_ctx);
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if (!NT_STATUS_IS_OK(status)) {
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return NT_STATUS_NO_MEMORY;
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ret = gse_krb5_get_server_keytab(gse_ctx->k5ctx,
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status = NT_STATUS_INTERNAL_ERROR;
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ret = smb_krb5_keytab_name(gse_ctx, gse_ctx->k5ctx,
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gse_ctx->keytab, &ktname);
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status = NT_STATUS_INTERNAL_ERROR;
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ktname = keytab_name;
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* This call sets the default keytab for the whole server, not
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* just for this context. Need to find a way that does not alter
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* the state of the whole server ... */
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ret = gsskrb5_register_acceptor_identity(ktname);
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status = NT_STATUS_INTERNAL_ERROR;
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mech_set.elements = &gse_ctx->gss_mech;
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gss_maj = gss_acquire_cred(&gss_min,
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DEBUG(0, ("gss_acquire_creds failed with [%s]\n",
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gse_errstr(gse_ctx, gss_maj, gss_min)));
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status = NT_STATUS_INTERNAL_ERROR;
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status = NT_STATUS_OK;
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(gse_ctx);
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NTSTATUS gse_get_server_auth_token(TALLOC_CTX *mem_ctx,
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struct gse_context *gse_ctx,
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DATA_BLOB *token_out)
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OM_uint32 gss_maj, gss_min;
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gss_buffer_desc in_data;
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gss_buffer_desc out_data;
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DATA_BLOB blob = data_blob_null;
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in_data.value = token_in->data;
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in_data.length = token_in->length;
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gss_maj = gss_accept_sec_context(&gss_min,
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GSS_C_NO_CHANNEL_BINDINGS,
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&gse_ctx->client_name,
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&gse_ctx->ret_flags, NULL,
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&gse_ctx->delegated_creds);
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/* we are done with it */
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gse_ctx->more_processing = false;
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gse_ctx->authenticated = true;
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status = NT_STATUS_OK;
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case GSS_S_CONTINUE_NEEDED:
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/* we will need a third leg */
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gse_ctx->more_processing = true;
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/* status = NT_STATUS_MORE_PROCESSING_REQUIRED; */
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status = NT_STATUS_OK;
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DEBUG(0, ("gss_init_sec_context failed with [%s]\n",
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gse_errstr(talloc_tos(), gss_maj, gss_min)));
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if (gse_ctx->gss_ctx) {
459
gss_delete_sec_context(&gss_min,
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status = NT_STATUS_INTERNAL_ERROR;
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/* we may be told to return nothing */
469
if (out_data.length) {
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blob = data_blob_talloc(mem_ctx, out_data.value, out_data.length);
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status = NT_STATUS_NO_MEMORY;
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gss_maj = gss_release_buffer(&gss_min, &out_data);
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NTSTATUS gse_verify_server_auth_flags(struct gse_context *gse_ctx)
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if (!gse_ctx->authenticated) {
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return NT_STATUS_INVALID_HANDLE;
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if (memcmp(gse_ctx->ret_mech,
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gss_mech_krb5, sizeof(gss_OID_desc)) != 0) {
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return NT_STATUS_ACCESS_DENIED;
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/* GSS_C_MUTUAL_FLAG */
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if (gse_ctx->gss_c_flags & GSS_C_MUTUAL_FLAG) {
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if (!(gse_ctx->ret_flags & GSS_C_MUTUAL_FLAG)) {
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return NT_STATUS_ACCESS_DENIED;
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/* GSS_C_DELEG_FLAG */
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/* GSS_C_DELEG_POLICY_FLAG */
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/* GSS_C_REPLAY_FLAG */
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/* GSS_C_SEQUENCE_FLAG */
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/* GSS_C_INTEG_FLAG */
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if (gse_ctx->gss_c_flags & GSS_C_INTEG_FLAG) {
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if (!(gse_ctx->ret_flags & GSS_C_INTEG_FLAG)) {
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return NT_STATUS_ACCESS_DENIED;
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/* GSS_C_CONF_FLAG */
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if (gse_ctx->gss_c_flags & GSS_C_CONF_FLAG) {
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if (!(gse_ctx->ret_flags & GSS_C_CONF_FLAG)) {
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return NT_STATUS_ACCESS_DENIED;
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static char *gse_errstr(TALLOC_CTX *mem_ctx, OM_uint32 maj, OM_uint32 min)
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OM_uint32 gss_min, gss_maj;
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gss_buffer_desc msg_min;
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gss_buffer_desc msg_maj;
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OM_uint32 msg_ctx = 0;
532
ZERO_STRUCT(msg_min);
533
ZERO_STRUCT(msg_maj);
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gss_maj = gss_display_status(&gss_min, maj, GSS_C_GSS_CODE,
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GSS_C_NO_OID, &msg_ctx, &msg_maj);
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gss_maj = gss_display_status(&gss_min, min, GSS_C_MECH_CODE,
541
(gss_OID)discard_const(gss_mech_krb5),
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errstr = talloc_strndup(mem_ctx,
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(char *)msg_maj.value,
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errstr = talloc_strdup_append_buffer(errstr, ": ");
557
errstr = talloc_strndup_append_buffer(errstr,
558
(char *)msg_min.value,
566
gss_maj = gss_release_buffer(&gss_min, &msg_min);
569
gss_maj = gss_release_buffer(&gss_min, &msg_maj);
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bool gse_require_more_processing(struct gse_context *gse_ctx)
576
return gse_ctx->more_processing;
579
DATA_BLOB gse_get_session_key(TALLOC_CTX *mem_ctx,
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struct gse_context *gse_ctx)
582
OM_uint32 gss_min, gss_maj;
583
gss_buffer_set_t set = GSS_C_NO_BUFFER_SET;
586
gss_maj = gss_inquire_sec_context_by_oid(
587
&gss_min, gse_ctx->gss_ctx,
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&gse_sesskey_inq_oid, &set);
590
DEBUG(0, ("gss_inquire_sec_context_by_oid failed [%s]\n",
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gse_errstr(talloc_tos(), gss_maj, gss_min)));
592
return data_blob_null;
595
if ((set == GSS_C_NO_BUFFER_SET) ||
597
(memcmp(set->elements[1].value,
598
gse_sesskeytype_oid.elements,
599
gse_sesskeytype_oid.length) != 0)) {
600
DEBUG(0, ("gss_inquire_sec_context_by_oid returned unknown "
601
"OID for data in results:\n"));
602
dump_data(1, (uint8_t *)set->elements[1].value,
603
set->elements[1].length);
604
return data_blob_null;
607
ret = data_blob_talloc(mem_ctx, set->elements[0].value,
608
set->elements[0].length);
610
gss_maj = gss_release_buffer_set(&gss_min, &set);
614
NTSTATUS gse_get_client_name(struct gse_context *gse_ctx,
615
TALLOC_CTX *mem_ctx, char **cli_name)
617
OM_uint32 gss_min, gss_maj;
618
gss_buffer_desc name_buffer;
620
if (!gse_ctx->authenticated) {
621
return NT_STATUS_ACCESS_DENIED;
624
if (!gse_ctx->client_name) {
625
return NT_STATUS_NOT_FOUND;
628
/* TODO: check OID matches KRB5 Principal Name OID ? */
630
gss_maj = gss_display_name(&gss_min,
631
gse_ctx->client_name,
634
DEBUG(0, ("gss_display_name failed [%s]\n",
635
gse_errstr(talloc_tos(), gss_maj, gss_min)));
636
return NT_STATUS_INTERNAL_ERROR;
639
*cli_name = talloc_strndup(talloc_tos(),
640
(char *)name_buffer.value,
643
gss_maj = gss_release_buffer(&gss_min, &name_buffer);
646
return NT_STATUS_NO_MEMORY;
652
NTSTATUS gse_get_authz_data(struct gse_context *gse_ctx,
653
TALLOC_CTX *mem_ctx, DATA_BLOB *pac)
655
OM_uint32 gss_min, gss_maj;
656
gss_buffer_set_t set = GSS_C_NO_BUFFER_SET;
658
if (!gse_ctx->authenticated) {
659
return NT_STATUS_ACCESS_DENIED;
662
gss_maj = gss_inquire_sec_context_by_oid(
663
&gss_min, gse_ctx->gss_ctx,
664
&gse_authz_data_oid, &set);
666
DEBUG(0, ("gss_inquire_sec_context_by_oid failed [%s]\n",
667
gse_errstr(talloc_tos(), gss_maj, gss_min)));
668
return NT_STATUS_NOT_FOUND;
671
if (set == GSS_C_NO_BUFFER_SET) {
672
DEBUG(0, ("gss_inquire_sec_context_by_oid returned unknown "
673
"data in results.\n"));
674
return NT_STATUS_INTERNAL_ERROR;
677
/* for now we just hope it is the first value */
678
*pac = data_blob_talloc(mem_ctx,
679
set->elements[0].value,
680
set->elements[0].length);
682
gss_maj = gss_release_buffer_set(&gss_min, &set);
687
NTSTATUS gse_get_pac_blob(struct gse_context *gse_ctx,
688
TALLOC_CTX *mem_ctx, DATA_BLOB *pac_blob)
690
OM_uint32 gss_min, gss_maj;
691
gss_buffer_desc pac_buffer;
692
gss_buffer_desc pac_display_buffer;
693
gss_buffer_desc pac_name = {
694
.value = discard_const_p(char, "urn:mspac:"),
695
.length = sizeof("urn:mspac:") - 1
698
int authenticated = false;
699
int complete = false;
702
if (!gse_ctx->authenticated) {
703
return NT_STATUS_ACCESS_DENIED;
706
gss_maj = gss_get_name_attribute(&gss_min,
707
gse_ctx->client_name, &pac_name,
708
&authenticated, &complete,
709
&pac_buffer, &pac_display_buffer,
713
DEBUG(0, ("obtaining PAC via GSSAPI gss_get_name_attribute "
715
gse_errstr(mem_ctx, gss_maj, gss_min)));
716
return NT_STATUS_ACCESS_DENIED;
719
if (authenticated && complete) {
720
/* The PAC blob is returned directly */
721
*pac_blob = data_blob_talloc(mem_ctx,
724
if (!pac_blob->data) {
725
status = NT_STATUS_NO_MEMORY;
727
status = NT_STATUS_OK;
730
gss_maj = gss_release_buffer(&gss_min, &pac_buffer);
731
gss_maj = gss_release_buffer(&gss_min, &pac_display_buffer);
736
DEBUG(0, ("obtaining PAC via GSSAPI failed: authenticated: %s, "
737
"complete: %s, more: %s\n",
738
authenticated ? "true" : "false",
739
complete ? "true" : "false",
740
more ? "true" : "false"));
742
return NT_STATUS_ACCESS_DENIED;
745
size_t gse_get_signature_length(struct gse_context *gse_ctx,
746
int seal, size_t payload_size)
748
OM_uint32 gss_min, gss_maj;
749
gss_iov_buffer_desc iov[2];
750
uint8_t fakebuf[payload_size];
753
iov[0].type = GSS_IOV_BUFFER_TYPE_HEADER;
754
iov[0].buffer.value = NULL;
755
iov[0].buffer.length = 0;
756
iov[1].type = GSS_IOV_BUFFER_TYPE_DATA;
757
iov[1].buffer.value = fakebuf;
758
iov[1].buffer.length = payload_size;
760
gss_maj = gss_wrap_iov_length(&gss_min, gse_ctx->gss_ctx,
761
seal, GSS_C_QOP_DEFAULT,
764
DEBUG(0, ("gss_wrap_iov_length failed with [%s]\n",
765
gse_errstr(talloc_tos(), gss_maj, gss_min)));
769
return iov[0].buffer.length;
772
NTSTATUS gse_seal(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
773
DATA_BLOB *data, DATA_BLOB *signature)
775
OM_uint32 gss_min, gss_maj;
776
gss_iov_buffer_desc iov[2];
777
int req_seal = 1; /* setting to 1 means we request sign+seal */
781
/* allocate the memory ourselves so we do not need to talloc_memdup */
782
signature->length = gse_get_signature_length(gse_ctx, 1, data->length);
783
if (!signature->length) {
784
return NT_STATUS_INTERNAL_ERROR;
786
signature->data = (uint8_t *)talloc_size(mem_ctx, signature->length);
787
if (!signature->data) {
788
return NT_STATUS_NO_MEMORY;
790
iov[0].type = GSS_IOV_BUFFER_TYPE_HEADER;
791
iov[0].buffer.value = signature->data;
792
iov[0].buffer.length = signature->length;
794
/* data is encrypted in place, which is ok */
795
iov[1].type = GSS_IOV_BUFFER_TYPE_DATA;
796
iov[1].buffer.value = data->data;
797
iov[1].buffer.length = data->length;
799
gss_maj = gss_wrap_iov(&gss_min, gse_ctx->gss_ctx,
800
req_seal, GSS_C_QOP_DEFAULT,
803
DEBUG(0, ("gss_wrap_iov failed with [%s]\n",
804
gse_errstr(talloc_tos(), gss_maj, gss_min)));
805
status = NT_STATUS_ACCESS_DENIED;
810
DEBUG(0, ("gss_wrap_iov says data was not sealed!\n"));
811
status = NT_STATUS_ACCESS_DENIED;
815
status = NT_STATUS_OK;
817
DEBUG(10, ("Sealed %d bytes, and got %d bytes header/signature.\n",
818
(int)iov[1].buffer.length, (int)iov[0].buffer.length));
824
NTSTATUS gse_unseal(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
825
DATA_BLOB *data, DATA_BLOB *signature)
827
OM_uint32 gss_min, gss_maj;
828
gss_iov_buffer_desc iov[2];
832
iov[0].type = GSS_IOV_BUFFER_TYPE_HEADER;
833
iov[0].buffer.value = signature->data;
834
iov[0].buffer.length = signature->length;
836
/* data is decrypted in place, which is ok */
837
iov[1].type = GSS_IOV_BUFFER_TYPE_DATA;
838
iov[1].buffer.value = data->data;
839
iov[1].buffer.length = data->length;
841
gss_maj = gss_unwrap_iov(&gss_min, gse_ctx->gss_ctx,
842
&sealed, NULL, iov, 2);
844
DEBUG(0, ("gss_unwrap_iov failed with [%s]\n",
845
gse_errstr(talloc_tos(), gss_maj, gss_min)));
846
status = NT_STATUS_ACCESS_DENIED;
851
DEBUG(0, ("gss_unwrap_iov says data is not sealed!\n"));
852
status = NT_STATUS_ACCESS_DENIED;
856
status = NT_STATUS_OK;
858
DEBUG(10, ("Unsealed %d bytes, with %d bytes header/signature.\n",
859
(int)iov[1].buffer.length, (int)iov[0].buffer.length));
865
NTSTATUS gse_sign(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
866
DATA_BLOB *data, DATA_BLOB *signature)
868
OM_uint32 gss_min, gss_maj;
869
gss_buffer_desc in_data = { 0, NULL };
870
gss_buffer_desc out_data = { 0, NULL};
873
in_data.value = data->data;
874
in_data.length = data->length;
876
gss_maj = gss_get_mic(&gss_min, gse_ctx->gss_ctx,
878
&in_data, &out_data);
880
DEBUG(0, ("gss_get_mic failed with [%s]\n",
881
gse_errstr(talloc_tos(), gss_maj, gss_min)));
882
status = NT_STATUS_ACCESS_DENIED;
886
*signature = data_blob_talloc(mem_ctx,
887
out_data.value, out_data.length);
888
if (!signature->data) {
889
status = NT_STATUS_NO_MEMORY;
893
status = NT_STATUS_OK;
896
if (out_data.value) {
897
gss_maj = gss_release_buffer(&gss_min, &out_data);
902
NTSTATUS gse_sigcheck(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
903
DATA_BLOB *data, DATA_BLOB *signature)
905
OM_uint32 gss_min, gss_maj;
906
gss_buffer_desc in_data = { 0, NULL };
907
gss_buffer_desc in_token = { 0, NULL};
910
in_data.value = data->data;
911
in_data.length = data->length;
912
in_token.value = signature->data;
913
in_token.length = signature->length;
915
gss_maj = gss_verify_mic(&gss_min, gse_ctx->gss_ctx,
916
&in_data, &in_token, NULL);
918
DEBUG(0, ("gss_verify_mic failed with [%s]\n",
919
gse_errstr(talloc_tos(), gss_maj, gss_min)));
920
status = NT_STATUS_ACCESS_DENIED;
924
status = NT_STATUS_OK;
932
NTSTATUS gse_init_client(TALLOC_CTX *mem_ctx,
933
bool do_sign, bool do_seal,
934
const char *ccache_name,
937
const char *username,
938
const char *password,
939
uint32_t add_gss_c_flags,
940
struct gse_context **_gse_ctx)
942
return NT_STATUS_NOT_IMPLEMENTED;
945
NTSTATUS gse_get_client_auth_token(TALLOC_CTX *mem_ctx,
946
struct gse_context *gse_ctx,
948
DATA_BLOB *token_out)
950
return NT_STATUS_NOT_IMPLEMENTED;
953
NTSTATUS gse_init_server(TALLOC_CTX *mem_ctx,
954
bool do_sign, bool do_seal,
955
uint32_t add_gss_c_flags,
957
struct gse_context **_gse_ctx)
959
return NT_STATUS_NOT_IMPLEMENTED;
962
NTSTATUS gse_get_server_auth_token(TALLOC_CTX *mem_ctx,
963
struct gse_context *gse_ctx,
965
DATA_BLOB *token_out)
967
return NT_STATUS_NOT_IMPLEMENTED;
970
NTSTATUS gse_verify_server_auth_flags(struct gse_context *gse_ctx)
972
return NT_STATUS_NOT_IMPLEMENTED;
975
bool gse_require_more_processing(struct gse_context *gse_ctx)
980
DATA_BLOB gse_get_session_key(TALLOC_CTX *mem_ctx,
981
struct gse_context *gse_ctx)
983
return data_blob_null;
986
NTSTATUS gse_get_client_name(struct gse_context *gse_ctx,
987
TALLOC_CTX *mem_ctx, char **cli_name)
989
return NT_STATUS_NOT_IMPLEMENTED;
992
NTSTATUS gse_get_authz_data(struct gse_context *gse_ctx,
993
TALLOC_CTX *mem_ctx, DATA_BLOB *pac)
995
return NT_STATUS_NOT_IMPLEMENTED;
998
NTSTATUS gse_get_pac_blob(struct gse_context *gse_ctx,
999
TALLOC_CTX *mem_ctx, DATA_BLOB *pac)
1001
return NT_STATUS_NOT_IMPLEMENTED;
1004
size_t gse_get_signature_length(struct gse_context *gse_ctx,
1005
int seal, size_t payload_size)
1010
NTSTATUS gse_seal(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
1011
DATA_BLOB *data, DATA_BLOB *signature)
1013
return NT_STATUS_NOT_IMPLEMENTED;
1016
NTSTATUS gse_unseal(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
1017
DATA_BLOB *data, DATA_BLOB *signature)
1019
return NT_STATUS_NOT_IMPLEMENTED;
1022
NTSTATUS gse_sign(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
1023
DATA_BLOB *data, DATA_BLOB *signature)
1025
return NT_STATUS_NOT_IMPLEMENTED;
1028
NTSTATUS gse_sigcheck(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
1029
DATA_BLOB *data, DATA_BLOB *signature)
1031
return NT_STATUS_NOT_IMPLEMENTED;
1034
#endif /* HAVE_KRB5 && HAVE_GSSAPI_EXT_H && HAVE_GSS_WRAP_IOV */