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30191d1a57
bugs in various places whilst doing this (places that assumed
BOOL == int). I also need to fix the Samba4 pidl generation
(next checkin).
Jeremy.
(This used to be commit f35a266b3c)
127 lines
3.1 KiB
C
127 lines
3.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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Low-level connections.tdb access functions
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Copyright (C) Volker Lendecke 2007
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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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#include "includes.h"
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static struct db_context *connections_db_ctx(bool rw)
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{
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static struct db_context *db_ctx;
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if (db_ctx != NULL) {
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return db_ctx;
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}
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if (rw) {
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db_ctx = db_open(NULL, lock_path("connections.tdb"), 0,
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TDB_CLEAR_IF_FIRST|TDB_DEFAULT,
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O_RDWR | O_CREAT, 0644);
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}
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else {
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db_ctx = db_open(NULL, lock_path("connections.tdb"), 0,
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TDB_DEFAULT, O_RDONLY, 0);
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}
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return db_ctx;
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}
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struct db_record *connections_fetch_record(TALLOC_CTX *mem_ctx,
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TDB_DATA key)
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{
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struct db_context *ctx = connections_db_ctx(True);
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if (ctx == NULL) {
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return NULL;
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}
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return ctx->fetch_locked(ctx, mem_ctx, key);
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}
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struct db_record *connections_fetch_entry(TALLOC_CTX *mem_ctx,
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connection_struct *conn,
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const char *name)
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{
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struct connections_key ckey;
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TDB_DATA key;
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ZERO_STRUCT(ckey);
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ckey.pid = procid_self();
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ckey.cnum = conn ? conn->cnum : -1;
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strlcpy(ckey.name, name, sizeof(ckey.name));
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key.dsize = sizeof(ckey);
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key.dptr = (uint8 *)&ckey;
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return connections_fetch_record(mem_ctx, key);
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}
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struct conn_traverse_state {
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int (*fn)(struct db_record *rec,
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const struct connections_key *key,
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const struct connections_data *data,
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void *private_data);
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void *private_data;
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};
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static int conn_traverse_fn(struct db_record *rec, void *private_data)
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{
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struct conn_traverse_state *state =
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(struct conn_traverse_state *)private_data;
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if ((rec->key.dsize != sizeof(struct connections_key))
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|| (rec->value.dsize != sizeof(struct connections_data))) {
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return 0;
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}
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return state->fn(rec, (const struct connections_key *)rec->key.dptr,
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(const struct connections_data *)rec->value.dptr,
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state->private_data);
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}
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int connections_traverse(int (*fn)(struct db_record *rec,
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void *private_data),
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void *private_data)
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{
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struct db_context *ctx = connections_db_ctx(False);
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if (ctx == NULL) {
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return -1;
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}
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return ctx->traverse(ctx, fn, private_data);
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}
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int connections_forall(int (*fn)(struct db_record *rec,
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const struct connections_key *key,
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const struct connections_data *data,
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void *private_data),
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void *private_data)
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{
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struct conn_traverse_state state;
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state.fn = fn;
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state.private_data = private_data;
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return connections_traverse(conn_traverse_fn, (void *)&state);
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}
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bool connections_init(bool rw)
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{
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return (connections_db_ctx(rw) != NULL);
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}
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