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/*
   Unix SMB/CIFS implementation.

   In-Child server implementation of the routines defined in wbint.idl

   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/winbindd.h"
#include "winbindd/winbindd_proto.h"
#include "librpc/gen_ndr/srv_wbint.h"

void _wbint_Ping(pipes_struct *p, struct wbint_Ping *r)
{
	*r->out.out_data = r->in.in_data;
}

NTSTATUS _wbint_LookupSid(pipes_struct *p, struct wbint_LookupSid *r)
{
	struct winbindd_domain *domain = wb_child_domain();
	char *dom_name;
	char *name;
	enum lsa_SidType type;
	NTSTATUS status;

	if (domain == NULL) {
		return NT_STATUS_REQUEST_NOT_ACCEPTED;
	}

	status = domain->methods->sid_to_name(domain, p->mem_ctx, r->in.sid,
					      &dom_name, &name, &type);
	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}

	*r->out.domain = dom_name;
	*r->out.name = name;
	*r->out.type = type;
	return NT_STATUS_OK;
}

NTSTATUS _wbint_LookupName(pipes_struct *p, struct wbint_LookupName *r)
{
	struct winbindd_domain *domain = wb_child_domain();

	if (domain == NULL) {
		return NT_STATUS_REQUEST_NOT_ACCEPTED;
	}

	return domain->methods->name_to_sid(
		domain, p->mem_ctx, r->in.domain, r->in.name, r->in.flags,
		r->out.sid, r->out.type);
}

NTSTATUS _wbint_Sid2Uid(pipes_struct *p, struct wbint_Sid2Uid *r)
{
	uid_t uid;
	NTSTATUS status;

	status = idmap_sid_to_uid(r->in.dom_name ? r->in.dom_name : "",
				  r->in.sid, &uid);
	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}
	*r->out.uid = uid;
	return NT_STATUS_OK;
}

NTSTATUS _wbint_Sid2Gid(pipes_struct *p, struct wbint_Sid2Gid *r)
{
	gid_t gid;
	NTSTATUS status;

	status = idmap_sid_to_gid(r->in.dom_name ? r->in.dom_name : "",
				  r->in.sid, &gid);
	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}
	*r->out.gid = gid;
	return NT_STATUS_OK;
}

NTSTATUS _wbint_Uid2Sid(pipes_struct *p, struct wbint_Uid2Sid *r)
{
	return idmap_uid_to_sid(r->in.dom_name ? r->in.dom_name : "",
				r->out.sid, r->in.uid);
}

NTSTATUS _wbint_Gid2Sid(pipes_struct *p, struct wbint_Gid2Sid *r)
{
	return idmap_gid_to_sid(r->in.dom_name ? r->in.dom_name : "",
				r->out.sid, r->in.gid);
}

NTSTATUS _wbint_QueryUser(pipes_struct *p, struct wbint_QueryUser *r)
{
	struct winbindd_domain *domain = wb_child_domain();

	if (domain == NULL) {
		return NT_STATUS_REQUEST_NOT_ACCEPTED;
	}

	return domain->methods->query_user(domain, p->mem_ctx, r->in.sid,
					   r->out.info);
}

NTSTATUS _wbint_LookupUserAliases(pipes_struct *p,
				  struct wbint_LookupUserAliases *r)
{
	struct winbindd_domain *domain = wb_child_domain();

	if (domain == NULL) {
		return NT_STATUS_REQUEST_NOT_ACCEPTED;
	}

	return domain->methods->lookup_useraliases(
		domain, p->mem_ctx, r->in.sids->num_sids, r->in.sids->sids,
		&r->out.rids->num_rids, &r->out.rids->rids);
}

NTSTATUS _wbint_LookupUserGroups(pipes_struct *p,
				 struct wbint_LookupUserGroups *r)
{
	struct winbindd_domain *domain = wb_child_domain();

	if (domain == NULL) {
		return NT_STATUS_REQUEST_NOT_ACCEPTED;
	}

	return domain->methods->lookup_usergroups(
		domain, p->mem_ctx, r->in.sid,
		&r->out.sids->num_sids, &r->out.sids->sids);
}

NTSTATUS _wbint_QuerySequenceNumber(pipes_struct *p,
				    struct wbint_QuerySequenceNumber *r)
{
	struct winbindd_domain *domain = wb_child_domain();

	if (domain == NULL) {
		return NT_STATUS_REQUEST_NOT_ACCEPTED;
	}

	return domain->methods->sequence_number(domain, r->out.sequence);
}

NTSTATUS _wbint_LookupGroupMembers(pipes_struct *p,
				   struct wbint_LookupGroupMembers *r)
{
	struct winbindd_domain *domain = wb_child_domain();
	uint32_t i, num_names;
	struct dom_sid *sid_mem;
	char **names;
	uint32_t *name_types;
	NTSTATUS status;

	if (domain == NULL) {
		return NT_STATUS_REQUEST_NOT_ACCEPTED;
	}

	status = domain->methods->lookup_groupmem(
		domain, p->mem_ctx, r->in.sid, r->in.type,
		&num_names, &sid_mem, &names, &name_types);
	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}

	r->out.members->num_principals = num_names;
	r->out.members->principals = talloc_array(
		r->out.members, struct wbint_Principal, num_names);
	if (r->out.members->principals == NULL) {
		return NT_STATUS_NO_MEMORY;
	}

	for (i=0; i<num_names; i++) {
		struct wbint_Principal *m = &r->out.members->principals[i];
		sid_copy(&m->sid, &sid_mem[i]);
		m->name = talloc_move(r->out.members->principals, &names[i]);
		m->type = (enum lsa_SidType)name_types[i];
	}

	return NT_STATUS_OK;
}

NTSTATUS _wbint_QueryUserList(pipes_struct *p, struct wbint_QueryUserList *r)
{
	struct winbindd_domain *domain = wb_child_domain();

	if (domain == NULL) {
		return NT_STATUS_REQUEST_NOT_ACCEPTED;
	}

	return domain->methods->query_user_list(
		domain, p->mem_ctx, &r->out.users->num_userinfos,
		&r->out.users->userinfos);
}