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/*
Unix SMB/CIFS implementation.
KDC structures
Copyright (C) Andrew Tridgell 2005
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
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/>.
*/
#ifndef _KDC_KDC_H
#define _KDC_KDC_H
#include "system/kerberos.h"
#include "auth/kerberos/kerberos.h"
#include <hdb.h>
#include <kdc.h>
#include <krb5/windc_plugin.h>
#include "kdc/samba_kdc.h"
struct tsocket_address;
/*
top level context structure for the kdc server
*/
struct kdc_server {
struct task_server *task;
krb5_kdc_configuration *config;
struct smb_krb5_context *smb_krb5_context;
struct samba_kdc_base_context *base_ctx;
struct ldb_context *samdb;
bool am_rodc;
uint32_t proxy_timeout;
};
enum kdc_process_ret {
KDC_PROCESS_OK=0,
KDC_PROCESS_FAILED,
KDC_PROCESS_PROXY};
struct kdc_udp_call {
struct tsocket_address *src;
DATA_BLOB in;
DATA_BLOB out;
};
/* hold information about one kdc/kpasswd udp socket */
struct kdc_udp_socket {
struct kdc_socket *kdc_socket;
struct tdgram_context *dgram;
struct tevent_queue *send_queue;
};
struct kdc_tcp_call {
struct kdc_tcp_connection *kdc_conn;
DATA_BLOB in;
DATA_BLOB out;
uint8_t out_hdr[4];
struct iovec out_iov[2];
};
typedef enum kdc_process_ret (*kdc_process_fn_t)(struct kdc_server *kdc,
TALLOC_CTX *mem_ctx,
DATA_BLOB *input,
DATA_BLOB *reply,
struct tsocket_address *peer_addr,
struct tsocket_address *my_addr,
int datagram);
/* hold information about one kdc socket */
struct kdc_socket {
struct kdc_server *kdc;
struct tsocket_address *local_address;
kdc_process_fn_t process;
};
/*
state of an open tcp connection
*/
struct kdc_tcp_connection {
/* stream connection we belong to */
struct stream_connection *conn;
/* the kdc_server the connection belongs to */
struct kdc_socket *kdc_socket;
struct tstream_context *tstream;
struct tevent_queue *send_queue;
};
enum kdc_process_ret kpasswdd_process(struct kdc_server *kdc,
TALLOC_CTX *mem_ctx,
DATA_BLOB *input,
DATA_BLOB *reply,
struct tsocket_address *peer_addr,
struct tsocket_address *my_addr,
int datagram_reply);
/* from hdb-samba4.c */
NTSTATUS hdb_samba4_create_kdc(struct samba_kdc_base_context *base_ctx,
krb5_context context, struct HDB **db);
/* from proxy.c */
void kdc_udp_proxy(struct kdc_server *kdc, struct kdc_udp_socket *sock,
struct kdc_udp_call *call, uint16_t port);
void kdc_tcp_proxy(struct kdc_server *kdc, struct kdc_tcp_connection *kdc_conn,
struct kdc_tcp_call *call, uint16_t port);
#endif
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