| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | Implementation of a reliable server_exists()
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| 4 | Copyright (C) Volker Lendecke 2010
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 3 of the License, or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 18 | */
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| 19 |
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| 20 | #ifndef __SERVERID_H__
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| 21 | #define __SERVERID_H__
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| 22 |
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| 23 | #include "includes.h"
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| 24 |
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| 25 | /** Don't verify this unique id */
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| 26 | #define SERVERID_UNIQUE_ID_NOT_TO_VERIFY 0xFFFFFFFFFFFFFFFFULL
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| 27 |
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| 28 | /*
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| 29 | * Register a server with its unique id
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| 30 | */
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| 31 | bool serverid_register(const struct server_id id, uint32_t msg_flags);
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| 32 |
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| 33 | /*
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| 34 | * De-register a server with its unique id
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| 35 | */
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| 36 | bool serverid_deregister(const struct server_id id);
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| 37 |
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| 38 | /*
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| 39 | * (De)register additional message flags
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| 40 | */
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| 41 | bool serverid_register_msg_flags(const struct server_id id, bool do_reg,
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| 42 | uint32_t msg_flags);
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| 43 |
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| 44 | /*
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| 45 | * Check existence of a server id
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| 46 | */
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| 47 | bool serverid_exists(const struct server_id *id);
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| 48 |
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| 49 | /*
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| 50 | * Walk the list of server_ids registered
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| 51 | */
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| 52 | bool serverid_traverse(int (*fn)(struct db_record *rec,
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| 53 | const struct server_id *id,
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| 54 | uint32_t msg_flags,
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| 55 | void *private_data),
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| 56 | void *private_data);
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| 57 |
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| 58 | /*
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| 59 | * Walk the list of server_ids registered read-only
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| 60 | */
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| 61 | bool serverid_traverse_read(int (*fn)(const struct server_id *id,
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| 62 | uint32_t msg_flags,
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| 63 | void *private_data),
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| 64 | void *private_data);
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| 65 | /*
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| 66 | * Ensure CLEAR_IF_FIRST works fine, to be called from the parent smbd
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| 67 | */
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| 68 | bool serverid_parent_init(TALLOC_CTX *mem_ctx);
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| 69 |
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| 70 | /*
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| 71 | * Get a random unique_id and make sure that it is not
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| 72 | * SERVERID_UNIQUE_ID_NOT_TO_VERIFY
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| 73 | */
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| 74 | uint64_t serverid_get_random_unique_id(void);
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| 75 |
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| 76 | bool serverid_init_readonly(TALLOC_CTX *mem_ctx);
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| 77 |
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| 78 | #endif
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