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/*
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"
#include "librpc/crypto/gse.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;
size_t idx = 0;
struct gensec_settings *gensec_settings;
const struct gensec_security_ops **backends = NULL;
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_helpers());
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;
}
backends = talloc_zero_array(gensec_settings,
const struct gensec_security_ops *, 6);
if (backends == NULL) {
TALLOC_FREE(ans);
return NT_STATUS_NO_MEMORY;
}
gensec_settings->backends = backends;
gensec_init();
/* These need to be in priority order, krb5 before NTLMSSP */
#if defined(HAVE_KRB5)
backends[idx++] = &gensec_gse_krb5_security_ops;
#endif
backends[idx++] = &gensec_ntlmssp3_client_ops;
backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_SPNEGO);
backends[idx++] = gensec_security_by_auth_type(NULL, DCERPC_AUTH_TYPE_SCHANNEL);
backends[idx++] = gensec_security_by_auth_type(NULL, DCERPC_AUTH_TYPE_NCALRPC_AS_SYSTEM);
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;
}
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