mirror of
https://github.com/samba-team/samba.git
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795e464cfa
Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
153 lines
4.4 KiB
C
153 lines
4.4 KiB
C
/*
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Unix SMB/CIFS implementation.
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Generic Authentication Interface for Samba Servers
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Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009
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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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*/
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/* This code sets up GENSEC in the way that all Samba servers want
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* (because they have presumed access to the sam.ldb etc */
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#include "includes.h"
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#include "auth/auth.h"
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#include "auth/gensec/gensec.h"
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#include "param/param.h"
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static NTSTATUS samba_server_gensec_start_settings(TALLOC_CTX *mem_ctx,
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struct tevent_context *event_ctx,
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struct imessaging_context *msg_ctx,
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struct loadparm_context *lp_ctx,
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struct gensec_settings *settings,
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struct cli_credentials *server_credentials,
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const char *target_service,
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struct gensec_security **gensec_context)
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{
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NTSTATUS nt_status;
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struct gensec_security *gensec_ctx;
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struct auth4_context *auth_context;
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TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
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if (!tmp_ctx) {
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return NT_STATUS_NO_MEMORY;
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}
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nt_status = auth_context_create(tmp_ctx,
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event_ctx,
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msg_ctx,
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lp_ctx,
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&auth_context);
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if (!NT_STATUS_IS_OK(nt_status)) {
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DEBUG(1, ("Failed to start auth server code: %s\n", nt_errstr(nt_status)));
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talloc_free(tmp_ctx);
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return nt_status;
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}
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nt_status = gensec_server_start(tmp_ctx,
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settings,
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auth_context,
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&gensec_ctx);
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if (!NT_STATUS_IS_OK(nt_status)) {
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talloc_free(tmp_ctx);
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DEBUG(1, ("Failed to start GENSEC server code: %s\n", nt_errstr(nt_status)));
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return nt_status;
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}
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gensec_set_credentials(gensec_ctx, server_credentials);
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if (target_service) {
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gensec_set_target_service(gensec_ctx, target_service);
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}
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*gensec_context = talloc_steal(mem_ctx, gensec_ctx);
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talloc_free(tmp_ctx);
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return nt_status;
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}
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NTSTATUS samba_server_gensec_start(TALLOC_CTX *mem_ctx,
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struct tevent_context *event_ctx,
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struct imessaging_context *msg_ctx,
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struct loadparm_context *lp_ctx,
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struct cli_credentials *server_credentials,
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const char *target_service,
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struct gensec_security **gensec_context)
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{
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struct gensec_settings *settings = NULL;
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NTSTATUS status;
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settings = lpcfg_gensec_settings(mem_ctx, lp_ctx);
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if (settings == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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status = samba_server_gensec_start_settings(mem_ctx, event_ctx,
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msg_ctx, lp_ctx,
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settings, server_credentials,
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target_service,
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gensec_context);
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(settings);
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return status;
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}
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talloc_reparent(mem_ctx, *gensec_context, settings);
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return NT_STATUS_OK;
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}
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NTSTATUS samba_server_gensec_krb5_start(TALLOC_CTX *mem_ctx,
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struct tevent_context *event_ctx,
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struct imessaging_context *msg_ctx,
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struct loadparm_context *lp_ctx,
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struct cli_credentials *server_credentials,
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const char *target_service,
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struct gensec_security **gensec_context)
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{
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struct gensec_settings *settings = NULL;
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const struct gensec_security_ops **backends = NULL;
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size_t idx = 0;
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NTSTATUS status;
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settings = lpcfg_gensec_settings(mem_ctx, lp_ctx);
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if (settings == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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backends = talloc_zero_array(settings,
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const struct gensec_security_ops *, 3);
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if (backends == NULL) {
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TALLOC_FREE(settings);
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return NT_STATUS_NO_MEMORY;
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}
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settings->backends = backends;
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gensec_init();
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backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_KERBEROS5);
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backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_SPNEGO);
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status = samba_server_gensec_start_settings(mem_ctx, event_ctx,
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msg_ctx, lp_ctx,
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settings, server_credentials,
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target_service,
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gensec_context);
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(settings);
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return status;
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}
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talloc_reparent(mem_ctx, *gensec_context, settings);
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return NT_STATUS_OK;
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}
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