Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 162 insertions, 0 deletions

diff --git a/source3/winbindd/wb_next_pwent.c b/source3/winbindd/wb_next_pwent.c
new file mode 100644
index 0000000..f000c64
--- /dev/null
+++ b/source3/winbindd/wb_next_pwent.c
@@ -0,0 +1,162 @@
+/*
+   Unix SMB/CIFS implementation.
+   async next_pwent
+   Copyright (C) Volker Lendecke 2009
+
+   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 "winbindd.h"
+#include "librpc/gen_ndr/ndr_winbind_c.h"
+#include "libcli/security/dom_sid.h"
+#include "passdb/machine_sid.h"
+
+struct wb_next_pwent_state {
+	struct tevent_context *ev;
+	struct getpwent_state *gstate;
+	struct dom_sid next_sid;
+	struct winbindd_pw *pw;
+};
+
+static void wb_next_pwent_fetch_done(struct tevent_req *subreq);
+static void wb_next_pwent_fill_done(struct tevent_req *subreq);
+
+static void wb_next_pwent_send_do(struct tevent_req *req,
+				  struct wb_next_pwent_state *state)
+{
+	struct tevent_req *subreq;
+	struct dom_sid_buf buf, buf1;
+
+	if (state->gstate->next_user >= state->gstate->rids.num_rids) {
+		TALLOC_FREE(state->gstate->rids.rids);
+		state->gstate->rids.num_rids = 0;
+
+		state->gstate->domain = wb_next_domain(state->gstate->domain);
+		if (state->gstate->domain == NULL) {
+			tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
+			return;
+		}
+
+		D_DEBUG("Query user RID list for domain %s.\n",
+			state->gstate->domain->name);
+		subreq = dcerpc_wbint_QueryUserRidList_send(
+			state, state->ev,
+			dom_child_handle(state->gstate->domain),
+			&state->gstate->rids);
+		if (tevent_req_nomem(subreq, req)) {
+			return;
+		}
+
+		tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
+		return;
+	}
+
+	sid_compose(&state->next_sid, &state->gstate->domain->sid,
+		    state->gstate->rids.rids[state->gstate->next_user]);
+
+	D_DEBUG("Get pw for SID %s composed from domain SID %s and RID %"PRIu32".\n",
+		dom_sid_str_buf(&state->next_sid, &buf),
+		dom_sid_str_buf(&state->gstate->domain->sid, &buf1),
+		state->gstate->rids.rids[state->gstate->next_user]);
+	subreq = wb_getpwsid_send(state, state->ev, &state->next_sid,
+				  state->pw);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+
+	tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
+}
+
+struct tevent_req *wb_next_pwent_send(TALLOC_CTX *mem_ctx,
+				      struct tevent_context *ev,
+				      struct getpwent_state *gstate,
+				      struct winbindd_pw *pw)
+{
+	struct tevent_req *req;
+	struct wb_next_pwent_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct wb_next_pwent_state);
+	if (req == NULL) {
+		return NULL;
+	}
+	D_INFO("WB command next_pwent start.\n");
+	state->ev = ev;
+	state->gstate = gstate;
+	state->pw = pw;
+
+	wb_next_pwent_send_do(req, state);
+	if (!tevent_req_is_in_progress(req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	return req;
+}
+
+static void wb_next_pwent_fetch_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct wb_next_pwent_state *state = tevent_req_data(
+		req, struct wb_next_pwent_state);
+	NTSTATUS status, result;
+
+	status = dcerpc_wbint_QueryUserRidList_recv(subreq, state->gstate,
+						    &result);
+	TALLOC_FREE(subreq);
+	if (any_nt_status_not_ok(status, result, &status)) {
+		/* Ignore errors here, just log it */
+		D_DEBUG("query_user_list for domain %s returned %s\n",
+			   state->gstate->domain->name,
+			   nt_errstr(status));
+		state->gstate->rids.num_rids = 0;
+	}
+
+	state->gstate->next_user = 0;
+
+	wb_next_pwent_send_do(req, state);
+}
+
+static void wb_next_pwent_fill_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct wb_next_pwent_state *state = tevent_req_data(
+		req, struct wb_next_pwent_state);
+	NTSTATUS status;
+
+	status = wb_getpwsid_recv(subreq);
+	TALLOC_FREE(subreq);
+	/*
+	 * When you try to enumerate users with 'getent passwd' and the user
+	 * doesn't have a uid set we should just move on.
+	 */
+	if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
+		state->gstate->next_user += 1;
+
+		wb_next_pwent_send_do(req, state);
+
+		return;
+	} else if (tevent_req_nterror(req, status)) {
+		return;
+	}
+	state->gstate->next_user += 1;
+	tevent_req_done(req);
+}
+
+NTSTATUS wb_next_pwent_recv(struct tevent_req *req)
+{
+	D_INFO("WB command next_pwent end.\n");
+	return tevent_req_simple_recv_ntstatus(req);
+}