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1766f77493
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13369 Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org> Autobuild-Date(master): Fri May 11 12:02:37 CEST 2018 on sn-devel-144
164 lines
4.6 KiB
C
164 lines
4.6 KiB
C
/*
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Unix SMB/CIFS implementation.
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async implementation of WINBINDD_PAM_AUTH
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Copyright (C) Volker Lendecke 2010
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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 "libcli/security/dom_sid.h"
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struct winbindd_pam_auth_state {
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struct winbindd_request *request;
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struct winbindd_response *response;
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};
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static void winbindd_pam_auth_done(struct tevent_req *subreq);
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struct tevent_req *winbindd_pam_auth_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct winbindd_cli_state *cli,
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struct winbindd_request *request)
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{
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struct tevent_req *req, *subreq;
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struct winbindd_pam_auth_state *state;
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struct winbindd_domain *domain;
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fstring name_namespace, name_domain, name_user;
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char *mapped = NULL;
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NTSTATUS status;
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bool ok;
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req = tevent_req_create(mem_ctx, &state,
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struct winbindd_pam_auth_state);
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if (req == NULL) {
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return NULL;
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}
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state->request = request;
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/* Ensure null termination */
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request->data.auth.user[sizeof(request->data.auth.user)-1] = '\0';
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request->data.auth.pass[sizeof(request->data.auth.pass)-1] = '\0';
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DEBUG(3, ("[%5lu]: pam auth %s\n", (unsigned long)cli->pid,
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request->data.auth.user));
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if (!check_request_flags(request->flags)) {
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tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER_MIX);
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return tevent_req_post(req, ev);
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}
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/* Parse domain and username */
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status = normalize_name_unmap(state, request->data.auth.user, &mapped);
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/* If the name normalization changed something, copy it over the given
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name */
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if (NT_STATUS_IS_OK(status)
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|| NT_STATUS_EQUAL(status, NT_STATUS_FILE_RENAMED)) {
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fstrcpy(request->data.auth.user, mapped);
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}
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ok = canonicalize_username(request->data.auth.user,
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name_namespace,
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name_domain,
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name_user);
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if (!ok) {
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tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
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return tevent_req_post(req, ev);
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}
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domain = find_auth_domain(request->flags, name_namespace);
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if (domain == NULL) {
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tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
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return tevent_req_post(req, ev);
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}
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subreq = wb_domain_request_send(state, server_event_context(), domain,
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request);
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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, winbindd_pam_auth_done, req);
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return req;
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}
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static void winbindd_pam_auth_done(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 winbindd_pam_auth_state *state = tevent_req_data(
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req, struct winbindd_pam_auth_state);
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int res, err;
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res = wb_domain_request_recv(subreq, state, &state->response, &err);
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TALLOC_FREE(subreq);
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if (res == -1) {
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tevent_req_nterror(req, map_nt_error_from_unix(err));
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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 winbindd_pam_auth_recv(struct tevent_req *req,
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struct winbindd_response *response)
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{
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struct winbindd_pam_auth_state *state = tevent_req_data(
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req, struct winbindd_pam_auth_state);
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NTSTATUS status;
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if (tevent_req_is_nterror(req, &status)) {
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set_auth_errors(response, status);
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return status;
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}
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*response = *state->response;
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response->result = WINBINDD_PENDING;
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state->response = talloc_move(response, &state->response);
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status = NT_STATUS(response->data.auth.nt_status);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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if (state->request->flags & WBFLAG_PAM_INFO3_TEXT) {
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bool ok;
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ok = add_trusted_domain_from_auth(
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state->response->data.auth.validation_level,
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&state->response->data.auth.info3,
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&state->response->data.auth.info6);
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if (!ok) {
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DBG_ERR("add_trusted_domain_from_auth failed\n");
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set_auth_errors(response, NT_STATUS_LOGON_FAILURE);
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return NT_STATUS_LOGON_FAILURE;
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}
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}
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if (state->request->flags & WBFLAG_PAM_CACHED_LOGIN) {
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/* Store in-memory creds for single-signon using ntlm_auth. */
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status = winbindd_add_memory_creds(
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state->request->data.auth.user,
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get_uid_from_request(state->request),
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state->request->data.auth.pass);
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DEBUG(10, ("winbindd_add_memory_creds returned: %s\n",
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nt_errstr(status)));
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}
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return status;
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}
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