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path: root/source3/winbindd/winbindd_idmap.c
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/*
   Unix SMB/CIFS implementation.

   Async helpers for blocking functions

   Copyright (C) Volker Lendecke 2005
   Copyright (C) Gerald Carter 2006
   Copyright (C) Simo Sorce 2007

   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"

#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND

static struct winbindd_child static_idmap_child;

struct winbindd_child *idmap_child(void)
{
	return &static_idmap_child;
}

enum winbindd_result winbindd_dual_sid2uid(struct winbindd_domain *domain,
					   struct winbindd_cli_state *state)
{
	DOM_SID sid;
	NTSTATUS result;

	DEBUG(3, ("[%5lu]: sid to uid %s\n", (unsigned long)state->pid,
		  state->request->data.dual_sid2id.sid));

	if (!string_to_sid(&sid, state->request->data.dual_sid2id.sid)) {
		DEBUG(1, ("Could not get convert sid %s from string\n",
			  state->request->data.dual_sid2id.sid));
		return WINBINDD_ERROR;
	}

	result = idmap_sid_to_uid(state->request->domain_name, &sid,
				  &state->response->data.uid);

	DEBUG(10, ("winbindd_dual_sid2uid: 0x%08x - %s - %u\n",
		   NT_STATUS_V(result), sid_string_dbg(&sid),
		   (unsigned int)state->response->data.uid));

	return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
}

enum winbindd_result winbindd_dual_sid2gid(struct winbindd_domain *domain,
					   struct winbindd_cli_state *state)
{
	DOM_SID sid;
	NTSTATUS result;

	DEBUG(3, ("[%5lu]: sid to gid %s\n", (unsigned long)state->pid,
		  state->request->data.dual_sid2id.sid));

	if (!string_to_sid(&sid, state->request->data.dual_sid2id.sid)) {
		DEBUG(1, ("Could not get convert sid %s from string\n",
			  state->request->data.dual_sid2id.sid));
		return WINBINDD_ERROR;
	}

	/* Find gid for this sid and return it, possibly ask the slow remote idmap */

	result = idmap_sid_to_gid(state->request->domain_name, &sid,
				  &state->response->data.gid);

	DEBUG(10, ("winbindd_dual_sid2gid: 0x%08x - %s - %u\n",
		   NT_STATUS_V(result), sid_string_dbg(&sid),
		   (unsigned int)state->response->data.gid));

	return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
}

enum winbindd_result winbindd_dual_uid2sid(struct winbindd_domain *domain,
					   struct winbindd_cli_state *state)
{
	DOM_SID sid;
	NTSTATUS result;

	DEBUG(3,("[%5lu]: uid to sid %lu\n",
		 (unsigned long)state->pid,
		 (unsigned long) state->request->data.uid));

	/* Find sid for this uid and return it, possibly ask the slow remote idmap */
	result = idmap_uid_to_sid(state->request->domain_name, &sid,
				  state->request->data.uid);

	if (NT_STATUS_IS_OK(result)) {
		sid_to_fstring(state->response->data.sid.sid, &sid);
		state->response->data.sid.type = SID_NAME_USER;
		return WINBINDD_OK;
	}

	return WINBINDD_ERROR;
}

enum winbindd_result winbindd_dual_gid2sid(struct winbindd_domain *domain,
					   struct winbindd_cli_state *state)
{
	DOM_SID sid;
	NTSTATUS result;

	DEBUG(3,("[%5lu]: gid %lu to sid\n",
		(unsigned long)state->pid,
		(unsigned long) state->request->data.gid));

	/* Find sid for this gid and return it, possibly ask the slow remote idmap */
	result = idmap_gid_to_sid(state->request->domain_name, &sid,
				  state->request->data.gid);

	if (NT_STATUS_IS_OK(result)) {
		sid_to_fstring(state->response->data.sid.sid, &sid);
		DEBUG(10, ("[%5lu]: retrieved sid: %s\n",
			   (unsigned long)state->pid,
			   state->response->data.sid.sid));
		state->response->data.sid.type = SID_NAME_DOM_GRP;
		return WINBINDD_OK;
	}

	return WINBINDD_ERROR;
}

static const struct winbindd_child_dispatch_table idmap_dispatch_table[] = {
	{
		.name		= "PING",
		.struct_cmd	= WINBINDD_PING,
		.struct_fn	= winbindd_dual_ping,
	},{
		.name		= "DUAL_SID2UID",
		.struct_cmd	= WINBINDD_DUAL_SID2UID,
		.struct_fn	= winbindd_dual_sid2uid,
	},{
		.name		= "DUAL_SID2GID",
		.struct_cmd	= WINBINDD_DUAL_SID2GID,
		.struct_fn	= winbindd_dual_sid2gid,
	},{
		.name		= "DUAL_UID2SID",
		.struct_cmd	= WINBINDD_DUAL_UID2SID,
		.struct_fn	= winbindd_dual_uid2sid,
	},{
		.name		= "DUAL_GID2SID",
		.struct_cmd	= WINBINDD_DUAL_GID2SID,
		.struct_fn	= winbindd_dual_gid2sid,
	},{
		.name		= "NDRCMD",
		.struct_cmd	= WINBINDD_DUAL_NDRCMD,
		.struct_fn	= winbindd_dual_ndrcmd,
	},{
		.name		= NULL,
	}
};

void init_idmap_child(void)
{
	setup_child(NULL, &static_idmap_child,
		    idmap_dispatch_table,
		    "log.winbindd", "idmap");
}