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/*
Unix SMB/CIFS implementation.
async implementation of WINBINDD_LOOKUPRIDS
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/ndr_winbind_c.h"
#include "../libcli/security/security.h"
#include "lib/util/smb_strtox.h"
#include "lib/util/string_wrappers.h"
struct winbindd_lookuprids_state {
struct tevent_context *ev;
struct dom_sid domain_sid;
const char *domain_name;
struct wbint_RidArray rids;
struct wbint_Principals names;
};
static bool parse_ridlist(TALLOC_CTX *mem_ctx, char *ridstr,
uint32_t **prids, uint32_t *pnum_rids);
static void winbindd_lookuprids_done(struct tevent_req *subreq);
struct tevent_req *winbindd_lookuprids_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct winbindd_cli_state *cli,
struct winbindd_request *request)
{
struct tevent_req *req, *subreq;
struct winbindd_lookuprids_state *state;
struct winbindd_domain *domain;
req = tevent_req_create(mem_ctx, &state,
struct winbindd_lookuprids_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
/* Ensure null termination */
request->data.sid[sizeof(request->data.sid)-1]='\0';
DEBUG(3, ("lookuprids (%s)\n", request->data.sid));
if (!string_to_sid(&state->domain_sid, request->data.sid)) {
DEBUG(5, ("%s not a SID\n", request->data.sid));
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
domain = find_lookup_domain_from_sid(&state->domain_sid);
if (domain == NULL) {
struct dom_sid_buf buf;
DEBUG(5, ("Domain for sid %s not found\n",
dom_sid_str_buf(&state->domain_sid, &buf)));
tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN);
return tevent_req_post(req, ev);
}
if (request->extra_data.data[request->extra_len-1] != '\0') {
DEBUG(5, ("extra_data not 0-terminated\n"));
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
if (!parse_ridlist(state, request->extra_data.data,
&state->rids.rids, &state->rids.num_rids)) {
DEBUG(5, ("parse_ridlist failed\n"));
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
subreq = dcerpc_wbint_LookupRids_send(
state, ev, dom_child_handle(domain), &state->domain_sid,
&state->rids, &state->domain_name, &state->names);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, winbindd_lookuprids_done, req);
return req;
}
static void winbindd_lookuprids_done(struct tevent_req *subreq)
{
struct tevent_req *req = tevent_req_callback_data(
subreq, struct tevent_req);
struct winbindd_lookuprids_state *state = tevent_req_data(
req, struct winbindd_lookuprids_state);
NTSTATUS status, result;
status = dcerpc_wbint_LookupRids_recv(subreq, state, &result);
TALLOC_FREE(subreq);
if (any_nt_status_not_ok(status, result, &status)) {
tevent_req_nterror(req, status);
return;
}
tevent_req_done(req);
}
NTSTATUS winbindd_lookuprids_recv(struct tevent_req *req,
struct winbindd_response *response)
{
struct winbindd_lookuprids_state *state = tevent_req_data(
req, struct winbindd_lookuprids_state);
NTSTATUS status;
char *result;
uint32_t i;
if (tevent_req_is_nterror(req, &status)) {
DEBUG(5, ("Lookuprids failed: %s\n",nt_errstr(status)));
return status;
}
result = talloc_strdup(response, "");
if (result == NULL) {
return NT_STATUS_NO_MEMORY;
}
for (i=0; i<state->names.num_principals; i++) {
struct wbint_Principal *p = &state->names.principals[i];
result = talloc_asprintf_append_buffer(
result, "%d %s\n", (int)p->type, p->name);
if (result == NULL) {
return NT_STATUS_NO_MEMORY;
}
}
fstrcpy(response->data.domain_name, state->domain_name);
response->extra_data.data = result;
response->length += talloc_get_size(result);
return NT_STATUS_OK;
}
static bool parse_ridlist(TALLOC_CTX *mem_ctx, char *ridstr,
uint32_t **prids, uint32_t *pnum_rids)
{
uint32_t i, num_rids;
uint32_t *rids;
char *p;
if (ridstr == NULL) {
return false;
}
p = ridstr;
num_rids = 0;
/* count rids */
while ((p = strchr(p, '\n')) != NULL) {
p += 1;
num_rids += 1;
}
if (num_rids == 0) {
*pnum_rids = 0;
*prids = NULL;
return true;
}
rids = talloc_array(mem_ctx, uint32_t, num_rids);
if (rids == NULL) {
return false;
}
p = ridstr;
for (i=0; i<num_rids; i++) {
char *q;
int error = 0;
rids[i] = smb_strtoul(p, &q, 10, &error, SMB_STR_STANDARD);
if (error != 0 || *q != '\n') {
DEBUG(0, ("Got invalid ridstr: %s\n", p));
return false;
}
p = q+1;
}
*pnum_rids = num_rids;
*prids = rids;
return true;
}
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