s3-libsmb: split out auth_generic client functions into auth_generic.c

Signed-off-by: Stefan Metzmacher <metze@samba.org>

source3/libsmb/auth_generic.c

@@ -0,0 +1,154 @@
+/*
+   NLTMSSP wrappers
+
+   Copyright (C) Andrew Tridgell      2001
+   Copyright (C) Andrew Bartlett 2001-2003,2011
+
+   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 "auth/ntlmssp/ntlmssp.h"
+#include "auth_generic.h"
+#include "auth/gensec/gensec.h"
+#include "auth/credentials/credentials.h"
+#include "librpc/rpc/dcerpc.h"
+#include "lib/param/param.h"
+
+NTSTATUS auth_generic_set_username(struct auth_generic_state *ans,
+				   const char *user)
+{
+	cli_credentials_set_username(ans->credentials, user, CRED_SPECIFIED);
+	return NT_STATUS_OK;
+}
+
+NTSTATUS auth_generic_set_domain(struct auth_generic_state *ans,
+				 const char *domain)
+{
+	cli_credentials_set_domain(ans->credentials, domain, CRED_SPECIFIED);
+	return NT_STATUS_OK;
+}
+
+NTSTATUS auth_generic_set_password(struct auth_generic_state *ans,
+				   const char *password)
+{
+	cli_credentials_set_password(ans->credentials, password, CRED_SPECIFIED);
+	return NT_STATUS_OK;
+}
+
+NTSTATUS auth_generic_client_prepare(TALLOC_CTX *mem_ctx, struct auth_generic_state **auth_generic_state)
+{
+	struct auth_generic_state *ans;
+	NTSTATUS nt_status;
+
+	struct gensec_settings *gensec_settings;
+	struct loadparm_context *lp_ctx;
+
+	ans = talloc_zero(mem_ctx, struct auth_generic_state);
+	if (!ans) {
+		DEBUG(0,("auth_generic_start: talloc failed!\n"));
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	lp_ctx = loadparm_init_s3(ans, loadparm_s3_context());
+	if (lp_ctx == NULL) {
+		DEBUG(10, ("loadparm_init_s3 failed\n"));
+		TALLOC_FREE(ans);
+		return NT_STATUS_INVALID_SERVER_STATE;
+	}
+
+	gensec_settings = lpcfg_gensec_settings(ans, lp_ctx);
+	if (lp_ctx == NULL) {
+		DEBUG(10, ("lpcfg_gensec_settings failed\n"));
+		TALLOC_FREE(ans);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	gensec_settings->backends = talloc_zero_array(gensec_settings, struct gensec_security_ops *, 2);
+	if (gensec_settings->backends == NULL) {
+		TALLOC_FREE(ans);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	gensec_settings->backends[0] = &gensec_ntlmssp3_client_ops;
+
+	nt_status = gensec_client_start(ans, &ans->gensec_security, gensec_settings);
+
+	if (!NT_STATUS_IS_OK(nt_status)) {
+		TALLOC_FREE(ans);
+		return nt_status;
+	}
+
+	ans->credentials = cli_credentials_init(ans);
+	if (!ans->credentials) {
+		TALLOC_FREE(ans);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	cli_credentials_guess(ans->credentials, lp_ctx);
+
+	talloc_unlink(ans, lp_ctx);
+	talloc_unlink(ans, gensec_settings);
+
+	*auth_generic_state = ans;
+	return NT_STATUS_OK;
+}
+
+NTSTATUS auth_generic_client_start(struct auth_generic_state *ans, const char *oid)
+{
+	NTSTATUS status;
+
+	/* Transfer the credentials to gensec */
+	status = gensec_set_credentials(ans->gensec_security, ans->credentials);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(1, ("Failed to set GENSEC credentials: %s\n",
+			  nt_errstr(status)));
+		return status;
+	}
+	talloc_unlink(ans, ans->credentials);
+	ans->credentials = NULL;
+
+	status = gensec_start_mech_by_oid(ans->gensec_security,
+					  oid);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	return NT_STATUS_OK;
+}
+
+NTSTATUS auth_generic_client_start_by_authtype(struct auth_generic_state *ans,
+					       uint8_t auth_type,
+					       uint8_t auth_level)
+{
+	NTSTATUS status;
+
+	/* Transfer the credentials to gensec */
+	status = gensec_set_credentials(ans->gensec_security, ans->credentials);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(1, ("Failed to set GENSEC credentials: %s\n",
+			  nt_errstr(status)));
+		return status;
+	}
+	talloc_unlink(ans, ans->credentials);
+	ans->credentials = NULL;
+
+	status = gensec_start_mech_by_authtype(ans->gensec_security,
+					       auth_type, auth_level);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	return NT_STATUS_OK;
+}