Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

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

1 files changed, 146 insertions, 0 deletions

diff --git a/source4/dsdb/repl/drepl_secret.c b/source4/dsdb/repl/drepl_secret.c
new file mode 100644
index 0000000..47a8ca9
--- /dev/null
+++ b/source4/dsdb/repl/drepl_secret.c
@@ -0,0 +1,146 @@
+/*
+   Unix SMB/CIFS Implementation.
+
+   DSDB replication service - repl secret handling
+
+   Copyright (C) Andrew Tridgell 2010
+   Copyright (C) Andrew Bartlett 2010
+
+   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 "ldb_module.h"
+#include "dsdb/samdb/samdb.h"
+#include "samba/service.h"
+#include "dsdb/repl/drepl_service.h"
+#include "param/param.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS            DBGC_DRS_REPL
+
+struct repl_secret_state {
+	const char *user_dn;
+};
+
+/*
+  called when a repl secret has completed
+ */
+static void drepl_repl_secret_callback(struct dreplsrv_service *service,
+				       WERROR werr,
+				       enum drsuapi_DsExtendedError ext_err,
+				       void *cb_data)
+{
+	struct repl_secret_state *state = talloc_get_type_abort(cb_data, struct repl_secret_state);
+	if (!W_ERROR_IS_OK(werr)) {
+		if (W_ERROR_EQUAL(werr, WERR_DS_DRA_SECRETS_DENIED)) {
+			DEBUG(3,(__location__ ": repl secret disallowed for user "
+				 "%s - not in allowed replication group\n",
+				 state->user_dn));
+		} else {
+			DEBUG(3,(__location__ ": repl secret failed for user %s - %s: extended_ret[0x%X]\n",
+				 state->user_dn, win_errstr(werr), ext_err));
+		}
+	} else {
+		DEBUG(3,(__location__ ": repl secret completed OK for '%s'\n", state->user_dn));
+	}
+	talloc_free(state);
+}
+
+
+/**
+ * Called when the auth code wants us to try and replicate
+ * a users secrets
+ */
+void drepl_repl_secret(struct dreplsrv_service *service,
+		       const char *user_dn)
+{
+	WERROR werr;
+	struct ldb_dn *nc_dn, *nc_root, *source_dsa_dn;
+	struct dreplsrv_partition *p;
+	struct GUID *source_dsa_guid;
+	struct repl_secret_state *state;
+	int ret;
+
+	state = talloc_zero(service, struct repl_secret_state);
+	if (state == NULL) {
+		/* nothing to do, no return value */
+		return;
+	}
+
+	/* keep a copy for logging in the callback */
+	state->user_dn = talloc_strdup(state, user_dn);
+
+	nc_dn = ldb_dn_new(state, service->samdb, user_dn);
+	if (!ldb_dn_validate(nc_dn)) {
+		DEBUG(0,(__location__ ": Failed to parse user_dn '%s'\n", user_dn));
+		talloc_free(state);
+		return;
+	}
+
+	/* work out which partition this is in */
+	ret = dsdb_find_nc_root(service->samdb, state, nc_dn, &nc_root);
+	if (ret != LDB_SUCCESS) {
+		DEBUG(0,(__location__ ": Failed to find nc_root for user_dn '%s'\n", user_dn));
+		talloc_free(state);
+		return;
+	}
+
+	/* find the partition in our list */
+	for (p=service->partitions; p; p=p->next) {
+		if (ldb_dn_compare(p->dn, nc_root) == 0) {
+			break;
+		}
+	}
+	if (p == NULL) {
+		DEBUG(0,(__location__ ": Failed to find partition for nc_root '%s'\n", ldb_dn_get_linearized(nc_root)));
+		talloc_free(state);
+		return;
+	}
+
+	if (p->sources == NULL) {
+		DEBUG(0,(__location__ ": No sources for nc_root '%s' for user_dn '%s'\n",
+			 ldb_dn_get_linearized(nc_root), user_dn));
+		talloc_free(state);
+		return;
+	}
+
+	/* use the first source, for no particularly good reason */
+	source_dsa_guid = &p->sources->repsFrom1->source_dsa_obj_guid;
+
+	source_dsa_dn = ldb_dn_new(state, service->samdb,
+				   talloc_asprintf(state, "<GUID=%s>",
+						   GUID_string(state, source_dsa_guid)));
+	if (!ldb_dn_validate(source_dsa_dn)) {
+		DEBUG(0,(__location__ ": Invalid source DSA GUID '%s' for user_dn '%s'\n",
+			 GUID_string(state, source_dsa_guid), user_dn));
+		talloc_free(state);
+		return;
+	}
+
+	werr = drepl_request_extended_op(service,
+					 nc_dn,
+					 source_dsa_dn,
+					 DRSUAPI_EXOP_REPL_SECRET,
+					 0,
+					 p->sources->repsFrom1->highwatermark.highest_usn,
+					 drepl_repl_secret_callback, state);
+	if (!W_ERROR_IS_OK(werr)) {
+		DEBUG(2,(__location__ ": Failed to setup secret replication for user_dn '%s'\n", user_dn));
+		talloc_free(state);
+		return;
+	}
+	DEBUG(3,(__location__ ": started secret replication for %s\n", user_dn));
+}