/* 
   Unix SMB/Netbios implementation.
   Version 2.2
   RPC pipe client
   Copyright (C) Tim Potter                        2000-2001,
   Copyright (C) Andrew Tridgell              1992-1997,2000,
   Copyright (C) Luke Kenneth Casson Leighton 1996-1997,2000,
   Copyright (C) Paul Ashton                       1997,2000,
   Copyright (C) Elrond                                 2000.
   
   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 2 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, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "includes.h"

/* Opens a SMB connection to the SAMR pipe */

struct cli_state *cli_samr_initialise(struct cli_state *cli, char *system_name,
				      struct ntuser_creds *creds)
{
	struct in_addr dest_ip;
	struct nmb_name calling, called;
	fstring dest_host;
	extern pstring global_myname;
	struct ntuser_creds anon;

	/* Initialise cli_state information */

	if (!cli_initialise(cli)) {
		return NULL;
	}

	if (!creds) {
		ZERO_STRUCT(anon);
		anon.pwd.null_pwd = 1;
		creds = &anon;
	}

	cli_init_creds(cli, creds);

	/* Establish a SMB connection */

	if (!resolve_srv_name(system_name, dest_host, &dest_ip)) {
		return NULL;
	}

	make_nmb_name(&called, dns_to_netbios_name(dest_host), 0x20);
	make_nmb_name(&calling, dns_to_netbios_name(global_myname), 0);

	if (!cli_establish_connection(cli, dest_host, &dest_ip, &calling, 
				      &called, "IPC$", "IPC", False, True)) {
		return NULL;
	}

	/* Open a NT session thingy */

	if (!cli_nt_session_open(cli, PIPE_SAMR)) {
		cli_shutdown(cli);
		return NULL;
	}

	return cli;
}

/* Shut down a SMB connection to the SAMR pipe */

void cli_samr_shutdown(struct cli_state *cli)
{
	if (cli->fd != -1) cli_ulogoff(cli);
	cli_shutdown(cli);
}

/* Connect to SAMR database */

uint32 cli_samr_connect(struct cli_state *cli, TALLOC_CTX *mem_ctx, 
			char *srv_name, uint32 access_mask, 
			POLICY_HND *connect_pol)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_CONNECT q;
	SAMR_R_CONNECT r;
	uint32 result = NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_connect(&q, srv_name, access_mask);

	if (!samr_io_q_connect("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_CONNECT, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	if (!samr_io_r_connect("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) == NT_STATUS_NOPROBLEMO) {
		*connect_pol = r.connect_pol;
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Close SAMR handle */

uint32 cli_samr_close(struct cli_state *cli, TALLOC_CTX *mem_ctx,
		      POLICY_HND *connect_pol)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_CLOSE_HND q;
	SAMR_R_CLOSE_HND r;
	uint32 result = NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_close_hnd(&q, connect_pol);

	if (!samr_io_q_close_hnd("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_CLOSE_HND, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	if (!samr_io_r_close_hnd("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) == NT_STATUS_NOPROBLEMO) {
		*connect_pol = r.pol;
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Open handle on a domain */

uint32 cli_samr_open_domain(struct cli_state *cli, TALLOC_CTX *mem_ctx,
			    POLICY_HND *connect_pol, uint32 access_mask, 
			    DOM_SID *domain_sid, POLICY_HND *domain_pol)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_OPEN_DOMAIN q;
	SAMR_R_OPEN_DOMAIN r;
	uint32 result = NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_open_domain(&q, connect_pol, access_mask, domain_sid);

	if (!samr_io_q_open_domain("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_OPEN_DOMAIN, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	if (!samr_io_r_open_domain("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) == NT_STATUS_NOPROBLEMO) {
		*domain_pol = r.domain_pol;
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Open handle on a user */

uint32 cli_samr_open_user(struct cli_state *cli, TALLOC_CTX *mem_ctx,
			  POLICY_HND *domain_pol, uint32 access_mask, 
			  uint32 user_rid, POLICY_HND *user_pol)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_OPEN_USER q;
	SAMR_R_OPEN_USER r;
	uint32 result = NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_open_user(&q, domain_pol, access_mask, user_rid);

	if (!samr_io_q_open_user("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_OPEN_USER, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	if (!samr_io_r_open_user("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) == NT_STATUS_NOPROBLEMO) {
		*user_pol = r.user_pol;
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Open handle on a group */

uint32 cli_samr_open_group(struct cli_state *cli, TALLOC_CTX *mem_ctx, 
			   POLICY_HND *domain_pol, uint32 access_mask, 
			   uint32 group_rid, POLICY_HND *group_pol)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_OPEN_GROUP q;
	SAMR_R_OPEN_GROUP r;
	uint32 result =  NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_open_group(&q, domain_pol, access_mask, group_rid);

	if (!samr_io_q_open_group("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_OPEN_GROUP, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	if (!samr_io_r_open_group("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) == NT_STATUS_NOPROBLEMO) {
		*group_pol = r.pol;
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Query user info */

uint32 cli_samr_query_userinfo(struct cli_state *cli, TALLOC_CTX *mem_ctx,
			       POLICY_HND *user_pol, uint16 switch_value, 
			       SAM_USERINFO_CTR *ctr)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_QUERY_USERINFO q;
	SAMR_R_QUERY_USERINFO r;
	uint32 result = NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_query_userinfo(&q, user_pol, switch_value);

	if (!samr_io_q_query_userinfo("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_QUERY_USERINFO, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	r.ctr = ctr;

	if (!samr_io_r_query_userinfo("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	result = r.status;

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Query group info */

uint32 cli_samr_query_groupinfo(struct cli_state *cli, TALLOC_CTX *mem_ctx,
				POLICY_HND *group_pol, uint32 info_level, 
				GROUP_INFO_CTR *ctr)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_QUERY_GROUPINFO q;
	SAMR_R_QUERY_GROUPINFO r;
	uint32 result = NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_query_groupinfo(&q, group_pol, info_level);

	if (!samr_io_q_query_groupinfo("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_QUERY_GROUPINFO, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	r.ctr = ctr;

	if (!samr_io_r_query_groupinfo("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	result = r.status;

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Query user groups */

uint32 cli_samr_query_usergroups(struct cli_state *cli, TALLOC_CTX *mem_ctx, 
				 POLICY_HND *user_pol, uint32 *num_groups, 
				 DOM_GID **gid)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_QUERY_USERGROUPS q;
	SAMR_R_QUERY_USERGROUPS r;
	uint32 result = NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_query_usergroups(&q, user_pol);

	if (!samr_io_q_query_usergroups("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_QUERY_USERGROUPS, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	if (!samr_io_r_query_usergroups("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) == NT_STATUS_NOPROBLEMO) {
		*num_groups = r.num_entries;
		*gid = r.gid;
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Query user groups */

uint32 cli_samr_query_groupmem(struct cli_state *cli, TALLOC_CTX *mem_ctx,
			       POLICY_HND *group_pol, uint32 *num_mem, 
			       uint32 **rid, uint32 **attr)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_QUERY_GROUPMEM q;
	SAMR_R_QUERY_GROUPMEM r;
	uint32 result = NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_query_groupmem(&q, group_pol);

	if (!samr_io_q_query_groupmem("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_QUERY_GROUPMEM, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	if (!samr_io_r_query_groupmem("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) == NT_STATUS_NOPROBLEMO) {
		*num_mem = r.num_entries;
		*rid = r.rid;
		*attr = r.attr;
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Enumerate domain groups */

uint32 cli_samr_enum_dom_groups(struct cli_state *cli, TALLOC_CTX *mem_ctx, 
				POLICY_HND *pol, uint32 *start_idx, 
				uint32 size, struct acct_info **dom_groups,
				uint32 *num_dom_groups)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_ENUM_DOM_GROUPS q;
	SAMR_R_ENUM_DOM_GROUPS r;
	uint32 result = NT_STATUS_UNSUCCESSFUL, name_idx, i;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_enum_dom_groups(&q, pol, *start_idx, size);

	if (!samr_io_q_enum_dom_groups("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_ENUM_DOM_GROUPS, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	if (!samr_io_r_enum_dom_groups("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	result = r.status;

	if (result != NT_STATUS_NOPROBLEMO &&
	    result != STATUS_MORE_ENTRIES) {
		goto done;
	}

	*num_dom_groups = r.num_entries2;

	if (!((*dom_groups) = (struct acct_info *)
	      talloc(mem_ctx, sizeof(struct acct_info) * *num_dom_groups))) {
		result = NT_STATUS_UNSUCCESSFUL;
		goto done;
	}

	memset(*dom_groups, 0, sizeof(struct acct_info) * *num_dom_groups);

	name_idx = 0;

	for (i = 0; i < *num_dom_groups; i++) {

		(*dom_groups)[i].rid = r.sam[i].rid;

		if (r.sam[i].hdr_name.buffer) {
			unistr2_to_ascii((*dom_groups)[i].acct_name,
					 &r.uni_grp_name[name_idx],
					 sizeof(fstring) - 1);
			name_idx++;
		}

		*start_idx = r.next_idx;
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Query alias members */

uint32 cli_samr_query_aliasmem(struct cli_state *cli, TALLOC_CTX *mem_ctx,
			       POLICY_HND *alias_pol, uint32 *num_mem, 
			       DOM_SID **sids)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_QUERY_ALIASMEM q;
	SAMR_R_QUERY_ALIASMEM r;
	uint32 result = NT_STATUS_UNSUCCESSFUL, i;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_query_aliasmem(&q, alias_pol);

	if (!samr_io_q_query_aliasmem("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_QUERY_ALIASMEM, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	if (!samr_io_r_query_aliasmem("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) != NT_STATUS_NOPROBLEMO) {
		goto done;
	}

	*num_mem = r.num_sids;

	if (!(*sids = talloc(mem_ctx, sizeof(DOM_SID) * *num_mem))) {
		result = NT_STATUS_UNSUCCESSFUL;
		goto done;
	}

	for (i = 0; i < *num_mem; i++) {
		(*sids)[i] = r.sid[i].sid;
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Open handle on an alias */

uint32 cli_samr_open_alias(struct cli_state *cli, TALLOC_CTX *mem_ctx, 
			   POLICY_HND *domain_pol, uint32 access_mask, 
			   uint32 alias_rid, POLICY_HND *alias_pol)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_OPEN_ALIAS q;
	SAMR_R_OPEN_ALIAS r;
	uint32 result;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_open_alias(&q, domain_pol, access_mask, alias_rid);

	if (!samr_io_q_open_alias("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_OPEN_ALIAS, &qbuf, &rbuf)) {
		result = NT_STATUS_UNSUCCESSFUL;
		goto done;
	}

	/* Unmarshall response */

	if (!samr_io_r_open_alias("", &r, &rbuf, 0)) {
		result = NT_STATUS_UNSUCCESSFUL;
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) == NT_STATUS_NOPROBLEMO) {
		*alias_pol = r.pol;
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Query domain info */

uint32 cli_samr_query_dom_info(struct cli_state *cli, TALLOC_CTX *mem_ctx, 
			       POLICY_HND *domain_pol, uint16 switch_value,
			       SAM_UNK_CTR *ctr)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_QUERY_DOMAIN_INFO q;
	SAMR_R_QUERY_DOMAIN_INFO r;
	uint32 result = NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_query_dom_info(&q, domain_pol, switch_value);

	if (!samr_io_q_query_dom_info("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_QUERY_DOMAIN_INFO, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	r.ctr = ctr;

	if (!samr_io_r_query_dom_info("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) != NT_STATUS_NOPROBLEMO) {
		goto done;
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Query display info */

uint32 cli_samr_query_dispinfo(struct cli_state *cli, TALLOC_CTX *mem_ctx, 
			       POLICY_HND *domain_pol, uint32 *start_idx,
			       uint16 switch_value, uint32 *num_entries,
			       uint32 max_entries, SAM_DISPINFO_CTR *ctr)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_QUERY_DISPINFO q;
	SAMR_R_QUERY_DISPINFO r;
	uint32 result = NT_STATUS_UNSUCCESSFUL;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_query_dispinfo(&q, domain_pol, switch_value,
				   *start_idx, max_entries);

	if (!samr_io_q_query_dispinfo("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_QUERY_DISPINFO, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	r.ctr = ctr;

	if (!samr_io_r_query_dispinfo("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) != NT_STATUS_NOPROBLEMO) {
		goto done;
	}

	*num_entries = r.num_entries;
	*start_idx += r.num_entries;  /* No next_idx in this structure! */

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}

/* Lookup rids */

uint32 cli_samr_lookup_rids(struct cli_state *cli, TALLOC_CTX *mem_ctx, 
			    POLICY_HND *domain_pol, uint32 flags,
			    uint32 num_rids, uint32 *rids, 
			    uint32 *num_names, char ***names,
			    uint32 **name_types)
{
	prs_struct qbuf, rbuf;
	SAMR_Q_LOOKUP_RIDS q;
	SAMR_R_LOOKUP_RIDS r;
	uint32 result = NT_STATUS_UNSUCCESSFUL, i;

	ZERO_STRUCT(q);
	ZERO_STRUCT(r);

	/* Initialise parse structures */

	prs_init(&qbuf, MAX_PDU_FRAG_LEN, mem_ctx, MARSHALL);
	prs_init(&rbuf, 0, mem_ctx, UNMARSHALL);

	/* Marshall data and send request */

	init_samr_q_lookup_rids(mem_ctx, &q, domain_pol, flags,
				num_rids, rids);

	if (!samr_io_q_lookup_rids("", &q, &qbuf, 0) ||
	    !rpc_api_pipe_req(cli, SAMR_LOOKUP_RIDS, &qbuf, &rbuf)) {
		goto done;
	}

	/* Unmarshall response */

	if (!samr_io_r_lookup_rids("", &r, &rbuf, 0)) {
		goto done;
	}

	/* Return output parameters */

	if ((result = r.status) != NT_STATUS_NOPROBLEMO) {
		goto done;
	}

	if (r.num_names1 == 0) {
		*num_names = 0;
		*names = NULL;
		goto done;
	}

	*num_names = r.num_names1;
	*names = talloc(mem_ctx, sizeof(char *) * r.num_names1);
	*name_types = talloc(mem_ctx, sizeof(uint32) * r.num_names1);

	for (i = 0; i < r.num_names1; i++) {
		fstring tmp;

		unistr2_to_ascii(tmp, &r.uni_name[i], sizeof(tmp) - 1);
		(*names)[i] = strdup(tmp);
		(*name_types)[i] = r.type[i];
	}

 done:
	prs_mem_free(&qbuf);
	prs_mem_free(&rbuf);

	return result;
}