#include "includes.h"
#include "winbindd.h"
-#include "librpc/gen_ndr/cli_wbint.h"
+#include "librpc/gen_ndr/ndr_winbind_c.h"
#include "../libcli/security/security.h"
+#include "libsmb/samlogon_cache.h"
struct wb_queryuser_state {
- struct dom_sid sid;
+ struct tevent_context *ev;
struct wbint_userinfo *info;
+ bool tried_dclookup;
};
+static void wb_queryuser_got_uid(struct tevent_req *subreq);
+static void wb_queryuser_got_domain(struct tevent_req *subreq);
+static void wb_queryuser_got_dc(struct tevent_req *subreq);
+static void wb_queryuser_got_gid(struct tevent_req *subreq);
+static void wb_queryuser_got_group_name(struct tevent_req *subreq);
static void wb_queryuser_done(struct tevent_req *subreq);
struct tevent_req *wb_queryuser_send(TALLOC_CTX *mem_ctx,
{
struct tevent_req *req, *subreq;
struct wb_queryuser_state *state;
- struct winbindd_domain *domain;
+ struct wbint_userinfo *info;
req = tevent_req_create(mem_ctx, &state, struct wb_queryuser_state);
if (req == NULL) {
return NULL;
}
- sid_copy(&state->sid, user_sid);
+ state->ev = ev;
- domain = find_domain_from_sid_noinit(user_sid);
- if (domain == NULL) {
- tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
- return tevent_req_post(req, ev);
+ if (lp_winbind_trusted_domains_only()) {
+ struct winbindd_domain *our_domain = find_our_domain();
+
+ if (dom_sid_compare_domain(user_sid, &our_domain->sid) == 0) {
+ char buf[DOM_SID_STR_BUFLEN];
+ dom_sid_string_buf(user_sid, buf, sizeof(buf));
+ DBG_NOTICE("My domain -- rejecting %s\n", buf);
+ tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
+ return tevent_req_post(req, ev);
+ }
}
- state->info = talloc(state, struct wbint_userinfo);
+ state->info = talloc_zero(state, struct wbint_userinfo);
if (tevent_req_nomem(state->info, req)) {
return tevent_req_post(req, ev);
}
+ info = state->info;
+
+ info->primary_gid = (gid_t)-1;
- subreq = dcerpc_wbint_QueryUser_send(state, ev, domain->child.binding_handle,
- &state->sid, state->info);
+ sid_copy(&info->user_sid, user_sid);
+
+ subreq = wb_sids2xids_send(
+ state, state->ev, &state->info->user_sid, 1);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
- tevent_req_set_callback(subreq, wb_queryuser_done, req);
+ tevent_req_set_callback(subreq, wb_queryuser_got_uid, req);
return req;
}
+static void wb_queryuser_got_uid(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct wb_queryuser_state *state = tevent_req_data(
+ req, struct wb_queryuser_state);
+ struct wbint_userinfo *info = state->info;
+ struct netr_SamInfo3 *info3;
+ struct winbindd_child *child;
+ struct unixid xid;
+ NTSTATUS status;
+
+ status = wb_sids2xids_recv(subreq, &xid, 1);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ if ((xid.type != ID_TYPE_UID) && (xid.type != ID_TYPE_BOTH)) {
+ tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
+ return;
+ }
+
+ info->uid = xid.id;
+
+ /*
+ * Default the group sid to "Domain Users" in the user's
+ * domain. The samlogon cache or the query_user call later on
+ * can override this.
+ */
+ sid_copy(&info->group_sid, &info->user_sid);
+ sid_split_rid(&info->group_sid, NULL);
+ sid_append_rid(&info->group_sid, DOMAIN_RID_USERS);
+
+ info->homedir = talloc_strdup(info, lp_template_homedir());
+ if (tevent_req_nomem(info->homedir, req)) {
+ return;
+ }
+
+ info->shell = talloc_strdup(info, lp_template_shell());
+ if (tevent_req_nomem(info->shell, req)) {
+ return;
+ }
+
+ info3 = netsamlogon_cache_get(state, &info->user_sid);
+ if (info3 != NULL) {
+
+ sid_compose(&info->group_sid, info3->base.domain_sid,
+ info3->base.primary_gid);
+ info->acct_name = talloc_move(
+ info, &info3->base.account_name.string);
+ info->full_name = talloc_move(
+ info, &info3->base.full_name.string);
+
+ info->domain_name = talloc_move(
+ state, &info3->base.logon_domain.string);
+
+ TALLOC_FREE(info3);
+ }
+
+ if (info->domain_name == NULL) {
+ subreq = wb_lookupsid_send(state, state->ev, &info->user_sid);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, wb_queryuser_got_domain, req);
+ return;
+ }
+
+ child = idmap_child();
+
+ subreq = dcerpc_wbint_GetNssInfo_send(
+ state, state->ev, child->binding_handle, info);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, wb_queryuser_done, req);
+}
+
+static void wb_queryuser_got_domain(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct wb_queryuser_state *state = tevent_req_data(
+ req, struct wb_queryuser_state);
+ struct wbint_userinfo *info = state->info;
+ enum lsa_SidType type;
+ struct winbindd_child *child;
+ NTSTATUS status;
+
+ status = wb_lookupsid_recv(subreq, state, &type,
+ &info->domain_name, &info->acct_name);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ if (type != SID_NAME_USER) {
+ /* allow SID_NAME_COMPUTER? */
+ tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
+ return;
+ }
+
+ child = idmap_child();
+
+ subreq = dcerpc_wbint_GetNssInfo_send(
+ state, state->ev, child->binding_handle, info);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, wb_queryuser_done, req);
+}
+
static void wb_queryuser_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_queryuser_state *state = tevent_req_data(
req, struct wb_queryuser_state);
+ struct wbint_userinfo *info = state->info;
NTSTATUS status, result;
- status = dcerpc_wbint_QueryUser_recv(subreq, state->info, &result);
+ status = dcerpc_wbint_GetNssInfo_recv(subreq, info, &result);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ if (NT_STATUS_EQUAL(result, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND) &&
+ !state->tried_dclookup) {
+ subreq = wb_dsgetdcname_send(
+ state, state->ev, state->info->domain_name, NULL, NULL,
+ DS_RETURN_DNS_NAME);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, wb_queryuser_got_dc, req);
+ return;
+ }
+
+ /*
+ * Ignore failure in "result" here. We'll try to fill in stuff
+ * that misses further down.
+ */
+
+ if (state->info->primary_gid == (gid_t)-1) {
+ subreq = wb_sids2xids_send(
+ state, state->ev, &info->group_sid, 1);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, wb_queryuser_got_gid, req);
+ return;
+ }
+
+ if (state->info->primary_group_name == NULL) {
+ subreq = wb_lookupsid_send(state, state->ev, &info->group_sid);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, wb_queryuser_got_group_name,
+ req);
+ return;
+ }
+
+ tevent_req_done(req);
+}
+
+static void wb_queryuser_got_dc(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct wb_queryuser_state *state = tevent_req_data(
+ req, struct wb_queryuser_state);
+ struct wbint_userinfo *info = state->info;
+ struct netr_DsRGetDCNameInfo *dcinfo;
+ struct winbindd_child *child;
+ NTSTATUS status;
+
+ status = wb_dsgetdcname_recv(subreq, state, &dcinfo);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ state->tried_dclookup = true;
+
+ status = wb_dsgetdcname_gencache_set(info->domain_name, dcinfo);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ child = idmap_child();
+
+ subreq = dcerpc_wbint_GetNssInfo_send(
+ state, state->ev, child->binding_handle, info);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, wb_queryuser_done, req);
+}
+
+static void wb_queryuser_got_gid(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct wb_queryuser_state *state = tevent_req_data(
+ req, struct wb_queryuser_state);
+ struct unixid xid;
+ NTSTATUS status;
+
+ status = wb_sids2xids_recv(subreq, &xid, 1);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+
+ if ((xid.type != ID_TYPE_GID) && (xid.type != ID_TYPE_BOTH)) {
+ tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
+ return;
+ }
+
+ state->info->primary_gid = xid.id;
+
+ if (state->info->primary_group_name == NULL) {
+ subreq = wb_lookupsid_send(state, state->ev,
+ &state->info->group_sid);
+ if (tevent_req_nomem(subreq, req)) {
+ return;
+ }
+ tevent_req_set_callback(subreq, wb_queryuser_got_group_name,
+ req);
+ return;
+ }
+
+ tevent_req_done(req);
+}
+
+static void wb_queryuser_got_group_name(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct wb_queryuser_state *state = tevent_req_data(
+ req, struct wb_queryuser_state);
+ enum lsa_SidType type;
+ NTSTATUS status;
+ const char *domain_name;
+
+ status = wb_lookupsid_recv(subreq, state, &type, &domain_name,
+ &state->info->primary_group_name);
TALLOC_FREE(subreq);
- if (any_nt_status_not_ok(status, result, &status)) {
- tevent_req_nterror(req, status);
+ if (tevent_req_nterror(req, status)) {
return;
}
tevent_req_done(req);