mirror of
https://github.com/samba-team/samba.git
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ac3f2e784f
So there is a new subcommand "smbcontrol winbindd validate-cache" now.
This change provides the infrastructure:
The function currently returns "true" unconditionally.
The call of a real cache validation function will be incorporated
in subsequent changes.
Michael
(This used to be commit ef92d505c0)
229 lines
6.6 KiB
C
229 lines
6.6 KiB
C
/*
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Unix SMB/CIFS implementation.
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messages.c header
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Copyright (C) Andrew Tridgell 2000
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Copyright (C) 2001, 2002 by Martin Pool
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _MESSAGES_H_
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#define _MESSAGES_H_
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/* change the message version with any incompatible changes in the protocol */
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#define MESSAGE_VERSION 2
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#define MSG_TYPE_MASK 0xFFFF
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/* general messages */
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#define MSG_DEBUG 0x0001
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#define MSG_PING 0x0002
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#define MSG_PONG 0x0003
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#define MSG_PROFILE 0x0004
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#define MSG_REQ_DEBUGLEVEL 0x0005
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#define MSG_DEBUGLEVEL 0x0006
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#define MSG_REQ_PROFILELEVEL 0x0007
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#define MSG_PROFILELEVEL 0x0008
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#define MSG_REQ_POOL_USAGE 0x0009
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#define MSG_POOL_USAGE 0x000A
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/* If dmalloc is included, set a steady-state mark */
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#define MSG_REQ_DMALLOC_MARK 0x000B
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/* If dmalloc is included, dump to the dmalloc log a description of
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* what has changed since the last MARK */
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#define MSG_REQ_DMALLOC_LOG_CHANGED 0x000C
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#define MSG_SHUTDOWN 0x000D
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/* nmbd messages */
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#define MSG_FORCE_ELECTION 0x0101
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#define MSG_WINS_NEW_ENTRY 0x0102
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#define MSG_SEND_PACKET 0x0103
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/* printing messages */
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/* #define MSG_PRINTER_NOTIFY 2001*/ /* Obsolete */
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#define MSG_PRINTER_NOTIFY2 0x0202
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#define MSG_PRINTER_DRVUPGRADE 0x0203
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#define MSG_PRINTERDATA_INIT_RESET 0x0204
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#define MSG_PRINTER_UPDATE 0x0205
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#define MSG_PRINTER_MOD 0x0206
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/* smbd messages */
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#define MSG_SMB_CONF_UPDATED 0x0301
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#define MSG_SMB_FORCE_TDIS 0x0302
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#define MSG_SMB_SAM_SYNC 0x0303
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#define MSG_SMB_SAM_REPL 0x0304
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#define MSG_SMB_UNLOCK 0x0305
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#define MSG_SMB_BREAK_REQUEST 0x0306
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#define MSG_SMB_BREAK_RESPONSE 0x0307
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#define MSG_SMB_ASYNC_LEVEL2_BREAK 0x0308
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#define MSG_SMB_OPEN_RETRY 0x0309
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#define MSG_SMB_KERNEL_BREAK 0x030A
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#define MSG_SMB_FILE_RENAME 0x030B
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#define MSG_SMB_INJECT_FAULT 0x030C
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#define MSG_SMB_BLOCKING_LOCK_CANCEL 0x030D
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#define MSG_SMB_NOTIFY 0x030E
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#define MSG_SMB_STAT_CACHE_DELETE 0x030F
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/*
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* Samba4 compatibility
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*/
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#define MSG_PVFS_NOTIFY 0x0310
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/*
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* cluster reconfigure events
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*/
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#define MSG_SMB_BRL_VALIDATE 0x0311
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#define MSG_SMB_RELEASE_IP 0x0312
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/* winbind messages */
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#define MSG_WINBIND_FINISHED 0x0401
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#define MSG_WINBIND_FORGET_STATE 0x0402
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#define MSG_WINBIND_ONLINE 0x0403
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#define MSG_WINBIND_OFFLINE 0x0404
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#define MSG_WINBIND_ONLINESTATUS 0x0405
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#define MSG_WINBIND_TRY_TO_GO_ONLINE 0x0406
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#define MSG_WINBIND_FAILED_TO_GO_ONLINE 0x0407
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#define MSG_WINBIND_VALIDATE_CACHE 0x0408
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/* event messages */
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#define MSG_DUMP_EVENT_LIST 0x0500
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/*
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* Special flags passed to message_send. Allocated from the top, lets see when
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* it collides with the message types in the lower 16 bits :-)
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*/
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/*
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* Under high load, this message can be dropped. Use for notify-style
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* messages that are not critical for correct operation.
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*/
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#define MSG_FLAG_LOWPRIORITY 0x80000000
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/* Flags to classify messages - used in message_send_all() */
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/* Sender will filter by flag. */
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#define FLAG_MSG_GENERAL 0x0001
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#define FLAG_MSG_SMBD 0x0002
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#define FLAG_MSG_NMBD 0x0004
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#define FLAG_MSG_PRINT_NOTIFY 0x0008
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#define FLAG_MSG_PRINT_GENERAL 0x0010
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/*
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* Virtual Node Numbers are identifying a node within a cluster. Ctdbd sets
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* this, we retrieve our vnn from it.
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*/
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#define NONCLUSTER_VNN (0xFFFFFFFF)
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/*
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* ctdb gives us 64-bit server ids for messaging_send. This is done to avoid
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* pid clashes and to be able to register for special messages like "all
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* smbds".
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*
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* Normal individual server id's have the upper 32 bits to 0, I picked "1" for
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* Samba, other subsystems might use something else.
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*/
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#define MSG_SRVID_SAMBA 0x0000000100000000LL
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struct server_id {
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pid_t pid;
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#ifdef CLUSTER_SUPPORT
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uint32 vnn;
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#endif
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};
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#ifdef CLUSTER_SUPPORT
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#define MSG_BROADCAST_PID_STR "0:0"
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#else
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#define MSG_BROADCAST_PID_STR "0"
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#endif
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struct messaging_context;
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struct messaging_rec;
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struct data_blob;
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/*
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* struct messaging_context belongs to messages.c, but because we still have
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* messaging_dispatch, we need it here. Once we get rid of signals for
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* notifying processes, this will go.
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*/
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struct messaging_context {
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struct server_id id;
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struct event_context *event_ctx;
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struct messaging_callback *callbacks;
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struct messaging_backend *local;
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struct messaging_backend *remote;
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};
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struct messaging_backend {
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NTSTATUS (*send_fn)(struct messaging_context *msg_ctx,
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struct server_id pid, int msg_type,
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const struct data_blob *data,
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struct messaging_backend *backend);
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void *private_data;
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};
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NTSTATUS messaging_tdb_init(struct messaging_context *msg_ctx,
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TALLOC_CTX *mem_ctx,
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struct messaging_backend **presult);
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void message_dispatch(struct messaging_context *msg_ctx);
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NTSTATUS messaging_ctdbd_init(struct messaging_context *msg_ctx,
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TALLOC_CTX *mem_ctx,
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struct messaging_backend **presult);
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struct ctdbd_connection *messaging_ctdbd_connection(void);
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BOOL message_send_all(struct messaging_context *msg_ctx,
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int msg_type,
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const void *buf, size_t len,
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int *n_sent);
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struct event_context *messaging_event_context(struct messaging_context *msg_ctx);
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struct messaging_context *messaging_init(TALLOC_CTX *mem_ctx,
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struct server_id server_id,
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struct event_context *ev);
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/*
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* re-init after a fork
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*/
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NTSTATUS messaging_reinit(struct messaging_context *msg_ctx);
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NTSTATUS messaging_register(struct messaging_context *msg_ctx,
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void *private_data,
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uint32_t msg_type,
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void (*fn)(struct messaging_context *msg,
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void *private_data,
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uint32_t msg_type,
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struct server_id server_id,
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struct data_blob *data));
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void messaging_deregister(struct messaging_context *ctx, uint32_t msg_type,
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void *private_data);
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NTSTATUS messaging_send(struct messaging_context *msg_ctx,
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struct server_id server,
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uint32_t msg_type, const struct data_blob *data);
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NTSTATUS messaging_send_buf(struct messaging_context *msg_ctx,
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struct server_id server, uint32_t msg_type,
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const uint8 *buf, size_t len);
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void messaging_dispatch_rec(struct messaging_context *msg_ctx,
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struct messaging_rec *rec);
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#endif
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