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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 17:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 17:47:29 +0000 |
commit | 4f5791ebd03eaec1c7da0865a383175b05102712 (patch) | |
tree | 8ce7b00f7a76baa386372422adebbe64510812d4 /source4/cluster/local.c | |
parent | Initial commit. (diff) | |
download | samba-4f5791ebd03eaec1c7da0865a383175b05102712.tar.xz samba-4f5791ebd03eaec1c7da0865a383175b05102712.zip |
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'source4/cluster/local.c')
-rw-r--r-- | source4/cluster/local.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/source4/cluster/local.c b/source4/cluster/local.c new file mode 100644 index 0000000..ea36663 --- /dev/null +++ b/source4/cluster/local.c @@ -0,0 +1,121 @@ +/* + Unix SMB/CIFS implementation. + + local (dummy) clustering operations + + Copyright (C) Andrew Tridgell 2006 + + 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 "cluster/cluster.h" +#include "cluster/cluster_private.h" +#include "dbwrap/dbwrap.h" +#include "system/filesys.h" +#include "param/param.h" +#include "librpc/gen_ndr/server_id.h" + +/* + server a server_id for the local node +*/ +static struct server_id local_id(struct cluster_ops *ops, uint64_t pid, uint32_t task_id) +{ + struct server_id server_id; + ZERO_STRUCT(server_id); + server_id.pid = pid; + server_id.task_id = task_id; + server_id.vnn = NONCLUSTER_VNN; + /* This is because we are not in the s3 serverid database */ + server_id.unique_id = SERVERID_UNIQUE_ID_NOT_TO_VERIFY; + return server_id; +} + + +/* + open a tmp tdb for the local node. By using smbd_tmp_path() we don't need + TDB_CLEAR_IF_FIRST as the tmp path is wiped at startup +*/ +static struct db_context *local_db_tmp_open(struct cluster_ops *ops, + TALLOC_CTX *mem_ctx, + struct loadparm_context *lp_ctx, + const char *dbbase, int flags) +{ + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + char *path, *dbname; + struct db_context *db; + int hash_size, tdb_flags; + + dbname = talloc_asprintf(mem_ctx, "%s.tdb", dbbase); + + path = smbd_tmp_path(tmp_ctx, lp_ctx, dbname); + + hash_size = lpcfg_tdb_hash_size(lp_ctx, path); + tdb_flags = lpcfg_tdb_flags(lp_ctx, flags); + + db = dbwrap_local_open( + mem_ctx, + path, + hash_size, + tdb_flags, + O_RDWR|O_CREAT, + 0600, + DBWRAP_LOCK_ORDER_NONE, + DBWRAP_FLAG_NONE); + talloc_free(tmp_ctx); + return db; +} + +/* + dummy backend handle function +*/ +static void *local_backend_handle(struct cluster_ops *ops) +{ + return NULL; +} + +/* + dummy message init function - not needed as all messages are local +*/ +static NTSTATUS local_message_init(struct cluster_ops *ops, + struct imessaging_context *msg, + struct server_id server, + cluster_message_fn_t handler) +{ + return NT_STATUS_OK; +} + +/* + dummy message send +*/ +static NTSTATUS local_message_send(struct cluster_ops *ops, + struct server_id server, DATA_BLOB *data) +{ + return NT_STATUS_INVALID_DEVICE_REQUEST; +} + +static struct cluster_ops cluster_local_ops = { + .cluster_id = local_id, + .cluster_db_tmp_open = local_db_tmp_open, + .backend_handle = local_backend_handle, + .message_init = local_message_init, + .message_send = local_message_send, + .private_data = NULL +}; + +void cluster_local_init(void) +{ + cluster_set_ops(&cluster_local_ops); +} + |