*/
#include "includes.h"
+#include <tevent.h>
+#include "../lib/util/tevent_ntstatus.h"
#include "auth/auth.h"
#include "auth/ntlm/auth_proto.h"
#include "librpc/gen_ndr/ndr_winbind_c.h"
}
struct winbind_check_password_state {
+ struct auth_method_context *ctx;
+ const struct auth_usersupplied_info *user_info;
struct winbind_SamLogon req;
+ struct auth_user_info_dc *user_info_dc;
+ bool authoritative;
};
+static void winbind_check_password_done(struct tevent_req *subreq);
+
/*
Authenticate a user with a challenge/response
using IRPC to the winbind task
*/
-static NTSTATUS winbind_check_password(struct auth_method_context *ctx,
- TALLOC_CTX *mem_ctx,
- const struct auth_usersupplied_info *user_info,
- struct auth_user_info_dc **user_info_dc,
- bool *authoritative)
+static struct tevent_req *winbind_check_password_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct auth_method_context *ctx,
+ const struct auth_usersupplied_info *user_info)
{
+ struct tevent_req *req = NULL;
struct winbind_check_password_state *state = NULL;
NTSTATUS status;
struct dcerpc_binding_handle *irpc_handle;
const struct auth_usersupplied_info *user_info_new;
struct netr_IdentityInfo *identity_info;
- struct ldb_dn *domain_dn;
- struct ldb_message *msg;
- const char *account_name = user_info->mapped.account_name;
- const char *p = NULL;
+ struct imessaging_context *msg_ctx;
+ struct tevent_req *subreq = NULL;
- if (!ctx->auth_ctx->msg_ctx) {
- DEBUG(0,("winbind_check_password: auth_context_create was called with out messaging context\n"));
- return NT_STATUS_INTERNAL_ERROR;
+ req = tevent_req_create(mem_ctx, &state,
+ struct winbind_check_password_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->ctx = ctx;
+ state->user_info = user_info;
+ state->authoritative = true;
+
+ msg_ctx = imessaging_client_init(state, ctx->auth_ctx->lp_ctx, ev);
+ if (msg_ctx == NULL) {
+ DEBUG(1, ("imessaging_init failed\n"));
+ tevent_req_nterror(req, NT_STATUS_INVALID_SERVER_STATE);
+ return tevent_req_post(req, ev);
}
- state = talloc(mem_ctx, struct winbind_check_password_state);
- NT_STATUS_HAVE_NO_MEMORY(state);
-
- irpc_handle = irpc_binding_handle_by_name(state, ctx->auth_ctx->msg_ctx,
+ irpc_handle = irpc_binding_handle_by_name(state, msg_ctx,
"winbind_server",
&ndr_table_winbind);
if (irpc_handle == NULL) {
DEBUG(0, ("Winbind authentication for [%s]\\[%s] failed, "
"no winbind_server running!\n",
user_info->client.domain_name, user_info->client.account_name));
- return NT_STATUS_NO_LOGON_SERVERS;
+ tevent_req_nterror(req, NT_STATUS_NO_LOGON_SERVERS);
+ return tevent_req_post(req, ev);
}
+ /*
+ * 120 seconds should be enough even for trusted domains.
+ *
+ * Currently winbindd has a much lower limit.
+ * And tests with Windows RODCs show that it
+ * returns NO_LOGON_SERVERS after 90-100 seconds
+ * if it can't reach any RWDC.
+ */
+ dcerpc_binding_handle_set_timeout(irpc_handle, 120);
+
if (user_info->flags & USER_INFO_INTERACTIVE_LOGON) {
struct netr_PasswordInfo *password_info;
status = encrypt_user_info(state, ctx->auth_ctx, AUTH_PASSWORD_HASH,
user_info, &user_info_new);
- NT_STATUS_NOT_OK_RETURN(status);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
+ }
user_info = user_info_new;
password_info = talloc_zero(state, struct netr_PasswordInfo);
- NT_STATUS_HAVE_NO_MEMORY(password_info);
+ if (tevent_req_nomem(password_info, req)) {
+ return tevent_req_post(req, ev);
+ }
password_info->lmpassword = *user_info->password.hash.lanman;
password_info->ntpassword = *user_info->password.hash.nt;
status = encrypt_user_info(state, ctx->auth_ctx, AUTH_PASSWORD_RESPONSE,
user_info, &user_info_new);
- NT_STATUS_NOT_OK_RETURN(status);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
+ }
user_info = user_info_new;
network_info = talloc_zero(state, struct netr_NetworkInfo);
- NT_STATUS_HAVE_NO_MEMORY(network_info);
+ if (tevent_req_nomem(network_info, req)) {
+ return tevent_req_post(req, ev);
+ }
status = auth_get_challenge(ctx->auth_ctx, chal);
- NT_STATUS_NOT_OK_RETURN(status);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
+ }
memcpy(network_info->challenge, chal, sizeof(network_info->challenge));
state->req.in.validation_level = 3;
- /* Note: this makes use of nested event loops... */
- dcerpc_binding_handle_set_sync_ev(irpc_handle, ctx->auth_ctx->event_ctx);
- status = dcerpc_winbind_SamLogon_r(irpc_handle, state, &state->req);
- NT_STATUS_NOT_OK_RETURN(status);
+ subreq = dcerpc_winbind_SamLogon_r_send(state, ev, irpc_handle,
+ &state->req);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq,
+ winbind_check_password_done,
+ req);
+
+ return req;
+}
+
+static void winbind_check_password_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req =
+ tevent_req_callback_data(subreq,
+ struct tevent_req);
+ struct winbind_check_password_state *state =
+ tevent_req_data(req,
+ struct winbind_check_password_state);
+ struct auth_method_context *ctx = state->ctx;
+ const struct auth_usersupplied_info *user_info = state->user_info;
+ const char *account_name = user_info->mapped.account_name;
+ struct ldb_dn *domain_dn = NULL;
+ struct ldb_message *msg = NULL;
+ const char *p = NULL;
+ NTSTATUS status;
- if (!NT_STATUS_IS_OK(state->req.out.result)) {
+ status = dcerpc_winbind_SamLogon_r_recv(subreq, state);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_IO_TIMEOUT)) {
+ status = NT_STATUS_NO_LOGON_SERVERS;
+ }
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ status = state->req.out.result;
+ if (!NT_STATUS_IS_OK(status)) {
if (!state->req.out.authoritative) {
- *authoritative = false;
+ state->authoritative = false;
}
- return state->req.out.result;
+ tevent_req_nterror(req, status);
+ return;
}
/*
const char *nt4_domain = NULL;
const char *nt4_account = NULL;
- status = crack_name_to_nt4_name(mem_ctx,
+ status = crack_name_to_nt4_name(state,
ctx->auth_ctx->sam_ctx,
DRSUAPI_DS_NAME_FORMAT_USER_PRINCIPAL,
account_name,
domain_dn = ldb_get_default_basedn(ctx->auth_ctx->sam_ctx);
if (domain_dn != NULL) {
- status = authsam_search_account(mem_ctx, ctx->auth_ctx->sam_ctx,
+ status = authsam_search_account(state, ctx->auth_ctx->sam_ctx,
account_name, domain_dn, &msg);
if (NT_STATUS_IS_OK(status)) {
authsam_logon_success_accounting(
}
}
- status = make_user_info_dc_netlogon_validation(mem_ctx,
+ status = make_user_info_dc_netlogon_validation(state,
user_info->client.account_name,
state->req.in.validation_level,
&state->req.out.validation,
- true, /* This user was authenticated */
- user_info_dc);
- NT_STATUS_NOT_OK_RETURN(status);
+ true, /* This user was authenticated */
+ &state->user_info_dc);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+ tevent_req_done(req);
+}
+
+static NTSTATUS winbind_check_password_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ struct auth_user_info_dc **user_info_dc,
+ bool *pauthoritative)
+{
+ struct winbind_check_password_state *state =
+ tevent_req_data(req,
+ struct winbind_check_password_state);
+ NTSTATUS status = NT_STATUS_OK;
+
+ *pauthoritative = state->authoritative;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ tevent_req_received(req);
+ return status;
+ }
+
+ *user_info_dc = talloc_move(mem_ctx, &state->user_info_dc);
+
+ tevent_req_received(req);
return NT_STATUS_OK;
}
}
static const struct auth_operations winbind_ops = {
- .name = "winbind",
- .want_check = winbind_want_check,
- .check_password = winbind_check_password
+ .name = "winbind",
+ .want_check = winbind_want_check,
+ .check_password_send = winbind_check_password_send,
+ .check_password_recv = winbind_check_password_recv
};
static const struct auth_operations winbind_rodc_ops = {
- .name = "winbind_rodc",
- .want_check = winbind_rodc_want_check,
- .check_password = winbind_check_password
+ .name = "winbind_rodc",
+ .want_check = winbind_rodc_want_check,
+ .check_password_send = winbind_check_password_send,
+ .check_password_recv = winbind_check_password_recv
};
static const struct auth_operations winbind_wbclient_ops = {