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/*
Unix SMB/CIFS implementation.
async getpwsid
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/cli_wbint.h"
struct wb_getpwsid_state {
struct winbindd_domain *user_domain;
struct tevent_context *ev;
struct dom_sid sid;
struct winbind_userinfo *userinfo;
struct winbindd_pw *pw;
};
static void wb_getpwsid_queryuser_done(struct tevent_req *subreq);
static void wb_getpwsid_lookupsid_done(struct tevent_req *subreq);
static void wb_getpwsid_sid2uid_done(struct tevent_req *subreq);
static void wb_getpwsid_sid2gid_done(struct tevent_req *subreq);
struct tevent_req *wb_getpwsid_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const struct dom_sid *user_sid,
struct winbindd_pw *pw)
{
struct tevent_req *req, *subreq;
struct wb_getpwsid_state *state;
req = tevent_req_create(mem_ctx, &state, struct wb_getpwsid_state);
if (req == NULL) {
return NULL;
}
sid_copy(&state->sid, user_sid);
state->ev = ev;
state->pw = pw;
state->user_domain = find_domain_from_sid_noinit(user_sid);
if (state->user_domain == NULL) {
tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
return tevent_req_post(req, ev);
}
subreq = wb_queryuser_send(state, ev, &state->sid);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_getpwsid_queryuser_done, req);
return req;
}
static void wb_getpwsid_queryuser_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_getpwsid_state *state = tevent_req_data(
req, struct wb_getpwsid_state);
NTSTATUS status;
status = wb_queryuser_recv(subreq, state, &state->userinfo);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return;
}
if ((state->userinfo->acct_name != NULL)
&& (state->userinfo->acct_name[0] != '\0')) {
/*
* QueryUser got us a name, let's got directly to the
* sid2uid step
*/
subreq = wb_sid2uid_send(state, state->ev,
&state->userinfo->user_sid);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_getpwsid_sid2uid_done, req);
return;
}
/*
* QueryUser didn't get us a name, do it via LSA.
*/
subreq = wb_lookupsid_send(state, state->ev,
&state->userinfo->user_sid);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_getpwsid_lookupsid_done, req);
}
static void wb_getpwsid_lookupsid_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_getpwsid_state *state = tevent_req_data(
req, struct wb_getpwsid_state);
NTSTATUS status;
enum lsa_SidType type;
const char *domain;
status = wb_lookupsid_recv(subreq, state->userinfo, &type, &domain,
&state->userinfo->acct_name);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return;
}
subreq = wb_sid2uid_send(state, state->ev, &state->userinfo->user_sid);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_getpwsid_sid2uid_done, req);
}
static void wb_getpwsid_sid2uid_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_getpwsid_state *state = tevent_req_data(
req, struct wb_getpwsid_state);
NTSTATUS status;
status = wb_sid2uid_recv(subreq, &state->pw->pw_uid);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return;
}
subreq = wb_sid2gid_send(state, state->ev,
&state->userinfo->group_sid);
if (tevent_req_nomem(subreq, req)) {
return;
}
tevent_req_set_callback(subreq, wb_getpwsid_sid2gid_done, req);
}
static void wb_getpwsid_sid2gid_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct wb_getpwsid_state *state = tevent_req_data(
req, struct wb_getpwsid_state);
NTSTATUS status;
char *username;
char *mapped_name;
status = wb_sid2gid_recv(subreq, &state->pw->pw_gid);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return;
}
username = talloc_strdup_lower(state, state->userinfo->acct_name);
if (tevent_req_nomem(username, req)) {
return;
}
status = normalize_name_map(state, state->user_domain, username,
&mapped_name);
if (NT_STATUS_IS_OK(status)
|| NT_STATUS_EQUAL(status, NT_STATUS_FILE_RENAMED)) {
/*
* normalize_name_map did something
*/
fstrcpy(state->pw->pw_name, mapped_name);
TALLOC_FREE(mapped_name);
} else {
fill_domain_username(state->pw->pw_name,
state->user_domain->name,
username, True);
}
fstrcpy(state->pw->pw_passwd, "*");
fstrcpy(state->pw->pw_gecos, state->userinfo->full_name);
if (!fillup_pw_field(lp_template_homedir(), username,
state->user_domain->name, state->pw->pw_uid,
state->pw->pw_gid, state->userinfo->homedir,
state->pw->pw_dir)) {
DEBUG(5, ("Could not compose homedir\n"));
tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
return;
}
if (!fillup_pw_field(lp_template_shell(), state->pw->pw_name,
state->user_domain->name, state->pw->pw_uid,
state->pw->pw_gid, state->userinfo->shell,
state->pw->pw_shell)) {
DEBUG(5, ("Could not compose shell\n"));
tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
return;
}
tevent_req_done(req);
}
NTSTATUS wb_getpwsid_recv(struct tevent_req *req)
{
NTSTATUS status;
if (tevent_req_is_nterror(req, &status)) {
return status;
}
return NT_STATUS_OK;
}
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