1 files changed, 233 insertions, 0 deletions
diff --git a/source3/winbindd/winbindd_list_groups.c b/source3/winbindd/winbindd_list_groups.c
new file mode 100644
index 0000000..272c638
--- /dev/null
+++ b/source3/winbindd/winbindd_list_groups.c
@@ -0,0 +1,233 @@
+/*
+   Unix SMB/CIFS implementation.
+   async implementation of WINBINDD_LIST_GROUPS
+   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 "util/debug.h"
+#include "winbindd.h"
+#include "librpc/gen_ndr/ndr_winbind_c.h"
+
+struct winbindd_list_groups_domstate {
+	struct tevent_req *subreq;
+	struct winbindd_domain *domain;
+	struct wbint_Principals groups;
+};
+
+struct winbindd_list_groups_state {
+	uint32_t num_received;
+	/* All domains */
+	uint32_t num_domains;
+	struct winbindd_list_groups_domstate *domains;
+};
+
+static void winbindd_list_groups_done(struct tevent_req *subreq);
+
+struct tevent_req *winbindd_list_groups_send(TALLOC_CTX *mem_ctx,
+					     struct tevent_context *ev,
+					     struct winbindd_cli_state *cli,
+					     struct winbindd_request *request)
+{
+	struct tevent_req *req;
+	struct winbindd_list_groups_state *state;
+	struct winbindd_domain *domain;
+	uint32_t i;
+
+	req = tevent_req_create(mem_ctx, &state,
+				struct winbindd_list_groups_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	D_NOTICE("[%s (%u)] Winbind external command LIST_GROUPS start.\n"
+		 "WBFLAG_FROM_NSS is %s, winbind enum groups is %d.\n",
+		 cli->client_name,
+		 (unsigned int)cli->pid,
+		 request->wb_flags & WBFLAG_FROM_NSS ? "Set" : "Unset",
+		 lp_winbind_enum_groups());
+
+	if (request->wb_flags & WBFLAG_FROM_NSS && !lp_winbind_enum_groups()) {
+		tevent_req_done(req);
+		return tevent_req_post(req, ev);
+	}
+
+	/* Ensure null termination */
+	request->domain_name[sizeof(request->domain_name)-1]='\0';
+
+	if (request->domain_name[0] != '\0') {
+		state->num_domains = 1;
+		D_DEBUG("List groups for domain %s.\n", request->domain_name);
+	} else {
+		state->num_domains = 0;
+		for (domain = domain_list(); domain; domain = domain->next) {
+			state->num_domains += 1;
+		}
+		D_DEBUG("List groups for %"PRIu32" domain(s).\n", state->num_domains);
+	}
+
+	state->domains = talloc_array(state,
+				      struct winbindd_list_groups_domstate,
+				      state->num_domains);
+	if (tevent_req_nomem(state->domains, req)) {
+		return tevent_req_post(req, ev);
+	}
+
+	if (request->domain_name[0] != '\0') {
+		ZERO_STRUCT(state->domains[0].groups);
+
+		state->domains[0].domain = find_domain_from_name_noinit(
+			request->domain_name);
+		if (state->domains[0].domain == NULL) {
+			tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN);
+			return tevent_req_post(req, ev);
+		}
+	} else {
+		i = 0;
+		for (domain = domain_list(); domain; domain = domain->next) {
+			ZERO_STRUCT(state->domains[i].groups);
+
+			state->domains[i].domain = domain;
+			i++;
+		}
+	}
+
+	for (i=0; i<state->num_domains; i++) {
+		struct winbindd_list_groups_domstate *d = &state->domains[i];
+
+		d->subreq = dcerpc_wbint_QueryGroupList_send(
+			state->domains, ev, dom_child_handle(d->domain),
+			&d->groups);
+		if (tevent_req_nomem(d->subreq, req)) {
+			TALLOC_FREE(state->domains);
+			return tevent_req_post(req, ev);
+		}
+		tevent_req_set_callback(d->subreq, winbindd_list_groups_done,
+					req);
+	}
+	state->num_received = 0;
+	return req;
+}
+
+static void winbindd_list_groups_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct winbindd_list_groups_state *state = tevent_req_data(
+		req, struct winbindd_list_groups_state);
+	NTSTATUS status, result;
+	uint32_t i;
+
+	status = dcerpc_wbint_QueryGroupList_recv(subreq, state->domains,
+						  &result);
+
+	for (i=0; i<state->num_domains; i++) {
+		if (subreq == state->domains[i].subreq) {
+			break;
+		}
+	}
+	if (i < state->num_domains) {
+		struct winbindd_list_groups_domstate *d = &state->domains[i];
+
+		D_DEBUG("Domain %s returned %"PRIu32" groups\n", d->domain->name,
+			   d->groups.num_principals);
+
+		d->subreq = NULL;
+
+		if (!NT_STATUS_IS_OK(status) || !NT_STATUS_IS_OK(result)) {
+			D_WARNING("list_groups for domain %s failed\n",
+				   d->domain->name);
+			d->groups.num_principals = 0;
+		}
+	}
+
+	TALLOC_FREE(subreq);
+
+	state->num_received += 1;
+
+	if (state->num_received >= state->num_domains) {
+		tevent_req_done(req);
+	}
+}
+
+NTSTATUS winbindd_list_groups_recv(struct tevent_req *req,
+				   struct winbindd_response *response)
+{
+	struct winbindd_list_groups_state *state = tevent_req_data(
+		req, struct winbindd_list_groups_state);
+	NTSTATUS status;
+	char *result;
+	uint32_t i, j, num_entries = 0;
+	size_t len;
+
+	D_NOTICE("Winbind external command LIST_GROUPS end.\n");
+	if (tevent_req_is_nterror(req, &status)) {
+		D_WARNING("Failed with %s.\n", nt_errstr(status));
+		return status;
+	}
+
+	len = 0;
+	response->data.num_entries = 0;
+	for (i=0; i<state->num_domains; i++) {
+		struct winbindd_list_groups_domstate *d = &state->domains[i];
+
+		for (j=0; j<d->groups.num_principals; j++) {
+			const char *name;
+			name = fill_domain_username_talloc(response, d->domain->name,
+					     d->groups.principals[j].name,
+					     True);
+			if (name == NULL) {
+				return NT_STATUS_NO_MEMORY;
+			}
+			len += strlen(name)+1;
+		}
+		response->data.num_entries += d->groups.num_principals;
+	}
+
+	result = talloc_array(response, char, len+1);
+	if (result == 0) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	len = 0;
+	for (i=0; i<state->num_domains; i++) {
+		struct winbindd_list_groups_domstate *d = &state->domains[i];
+
+		for (j=0; j<d->groups.num_principals; j++) {
+			const char *name;
+			size_t this_len;
+			name = fill_domain_username_talloc(response, d->domain->name,
+					     d->groups.principals[j].name,
+					     True);
+			if (name == NULL) {
+				return NT_STATUS_NO_MEMORY;
+			}
+			this_len = strlen(name);
+			memcpy(result+len, name, this_len);
+			len += this_len;
+			result[len] = ',';
+			len += 1;
+			num_entries++;
+		}
+	}
+	result[len-1] = '\0';
+
+	response->data.num_entries = num_entries;
+	response->extra_data.data = result;
+	response->length += len;
+
+	return NT_STATUS_OK;
+}