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6296c32668
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12612 Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org> Autobuild-User(master): Ralph Böhme <slow@samba.org> Autobuild-Date(master): Mon Mar 6 19:18:31 CET 2017 on sn-devel-144
252 lines
6.6 KiB
C
252 lines
6.6 KiB
C
/*
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Unix SMB/CIFS implementation.
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async gettoken
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Copyright (C) Volker Lendecke 2009
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "winbindd.h"
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#include "librpc/gen_ndr/ndr_winbind_c.h"
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#include "../libcli/security/security.h"
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#include "passdb/machine_sid.h"
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struct wb_gettoken_state {
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struct tevent_context *ev;
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struct dom_sid usersid;
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bool expand_local_aliases;
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uint32_t num_sids;
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struct dom_sid *sids;
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};
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static NTSTATUS wb_add_rids_to_sids(TALLOC_CTX *mem_ctx,
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uint32_t *pnum_sids,
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struct dom_sid **psids,
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const struct dom_sid *domain_sid,
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int num_rids, uint32_t *rids);
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static void wb_gettoken_gotuser(struct tevent_req *subreq);
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static void wb_gettoken_gotgroups(struct tevent_req *subreq);
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static void wb_gettoken_gotlocalgroups(struct tevent_req *subreq);
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static void wb_gettoken_gotbuiltins(struct tevent_req *subreq);
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struct tevent_req *wb_gettoken_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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const struct dom_sid *sid,
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bool expand_local_aliases)
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{
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struct tevent_req *req, *subreq;
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struct wb_gettoken_state *state;
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req = tevent_req_create(mem_ctx, &state, struct wb_gettoken_state);
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if (req == NULL) {
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return NULL;
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}
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sid_copy(&state->usersid, sid);
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state->ev = ev;
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state->expand_local_aliases = expand_local_aliases;
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subreq = wb_queryuser_send(state, ev, &state->usersid);
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if (tevent_req_nomem(subreq, req)) {
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return tevent_req_post(req, ev);
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}
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tevent_req_set_callback(subreq, wb_gettoken_gotuser, req);
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return req;
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}
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static void wb_gettoken_gotuser(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct wb_gettoken_state *state = tevent_req_data(
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req, struct wb_gettoken_state);
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struct wbint_userinfo *info;
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NTSTATUS status;
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status = wb_queryuser_recv(subreq, state, &info);
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TALLOC_FREE(subreq);
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if (tevent_req_nterror(req, status)) {
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return;
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}
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state->sids = talloc_array(state, struct dom_sid, 2);
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if (tevent_req_nomem(state->sids, req)) {
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return;
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}
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state->num_sids = 2;
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sid_copy(&state->sids[0], &info->user_sid);
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sid_copy(&state->sids[1], &info->group_sid);
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subreq = wb_lookupusergroups_send(state, state->ev, &info->user_sid);
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if (tevent_req_nomem(subreq, req)) {
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return;
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}
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tevent_req_set_callback(subreq, wb_gettoken_gotgroups, req);
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}
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static void wb_gettoken_gotgroups(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct wb_gettoken_state *state = tevent_req_data(
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req, struct wb_gettoken_state);
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int i, num_groups;
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struct dom_sid *groups;
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struct winbindd_domain *domain;
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NTSTATUS status;
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status = wb_lookupusergroups_recv(subreq, state, &num_groups, &groups);
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TALLOC_FREE(subreq);
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if (!NT_STATUS_IS_OK(status)) {
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tevent_req_done(req);
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return;
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}
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for (i=0; i<num_groups; i++) {
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status = add_sid_to_array_unique(
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state, &groups[i], &state->sids, &state->num_sids);
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if (tevent_req_nterror(req, status)) {
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return;
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}
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}
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if (!state->expand_local_aliases) {
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tevent_req_done(req);
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return;
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}
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/*
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* Expand our domain's aliases
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*/
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domain = find_domain_from_sid_noinit(get_global_sam_sid());
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if (domain == NULL) {
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tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
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return;
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}
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subreq = wb_lookupuseraliases_send(state, state->ev, domain,
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state->num_sids, state->sids);
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if (tevent_req_nomem(subreq, req)) {
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return;
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}
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tevent_req_set_callback(subreq, wb_gettoken_gotlocalgroups, req);
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}
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static void wb_gettoken_gotlocalgroups(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct wb_gettoken_state *state = tevent_req_data(
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req, struct wb_gettoken_state);
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uint32_t num_rids;
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uint32_t *rids;
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struct winbindd_domain *domain;
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NTSTATUS status;
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status = wb_lookupuseraliases_recv(subreq, state, &num_rids, &rids);
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TALLOC_FREE(subreq);
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if (tevent_req_nterror(req, status)) {
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return;
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}
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status = wb_add_rids_to_sids(state, &state->num_sids, &state->sids,
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get_global_sam_sid(), num_rids, rids);
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if (tevent_req_nterror(req, status)) {
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return;
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}
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TALLOC_FREE(rids);
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/*
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* Now expand the builtin groups
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*/
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domain = find_domain_from_sid(&global_sid_Builtin);
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if (domain == NULL) {
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tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
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return;
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}
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subreq = wb_lookupuseraliases_send(state, state->ev, domain,
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state->num_sids, state->sids);
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if (tevent_req_nomem(subreq, req)) {
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return;
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}
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tevent_req_set_callback(subreq, wb_gettoken_gotbuiltins, req);
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}
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static void wb_gettoken_gotbuiltins(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct wb_gettoken_state *state = tevent_req_data(
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req, struct wb_gettoken_state);
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uint32_t num_rids;
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uint32_t *rids;
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NTSTATUS status;
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status = wb_lookupuseraliases_recv(subreq, state, &num_rids, &rids);
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TALLOC_FREE(subreq);
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if (tevent_req_nterror(req, status)) {
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return;
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}
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status = wb_add_rids_to_sids(state, &state->num_sids, &state->sids,
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&global_sid_Builtin, num_rids, rids);
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if (tevent_req_nterror(req, status)) {
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return;
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}
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tevent_req_done(req);
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}
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NTSTATUS wb_gettoken_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
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int *num_sids, struct dom_sid **sids)
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{
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struct wb_gettoken_state *state = tevent_req_data(
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req, struct wb_gettoken_state);
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NTSTATUS status;
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if (tevent_req_is_nterror(req, &status)) {
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return status;
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}
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*num_sids = state->num_sids;
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*sids = talloc_move(mem_ctx, &state->sids);
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return NT_STATUS_OK;
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}
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static NTSTATUS wb_add_rids_to_sids(TALLOC_CTX *mem_ctx,
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uint32_t *pnum_sids,
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struct dom_sid **psids,
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const struct dom_sid *domain_sid,
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int num_rids, uint32_t *rids)
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{
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int i;
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for (i=0; i<num_rids; i++) {
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NTSTATUS status;
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struct dom_sid sid;
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sid_compose(&sid, domain_sid, rids[i]);
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status = add_sid_to_array_unique(
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mem_ctx, &sid, psids, pnum_sids);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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}
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return NT_STATUS_OK;
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}
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