diff options
Diffstat (limited to 'source4/lib')
| -rw-r--r-- | source4/lib/dbwrap/config.mk | 6 | ||||
| -rw-r--r-- | source4/lib/dbwrap/dbwrap.c | 39 | ||||
| -rw-r--r-- | source4/lib/dbwrap/dbwrap.h | 54 | ||||
| -rw-r--r-- | source4/lib/dbwrap/dbwrap_ctdb.c | 192 | ||||
| -rw-r--r-- | source4/lib/dbwrap/dbwrap_tdb.c | 267 |
5 files changed, 0 insertions, 558 deletions
diff --git a/source4/lib/dbwrap/config.mk b/source4/lib/dbwrap/config.mk deleted file mode 100644 index 34e2629b16..0000000000 --- a/source4/lib/dbwrap/config.mk +++ /dev/null @@ -1,6 +0,0 @@ -[SUBSYSTEM::LIBDBWRAP] -PUBLIC_DEPENDENCIES = \ - LIBTDB ctdb - -LIBDBWRAP_OBJ_FILES = $(addprefix $(libdbwrapsrcdir)/, dbwrap.o dbwrap_tdb.o dbwrap_ctdb.o) - diff --git a/source4/lib/dbwrap/dbwrap.c b/source4/lib/dbwrap/dbwrap.c deleted file mode 100644 index 69203773f0..0000000000 --- a/source4/lib/dbwrap/dbwrap.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - Unix SMB/CIFS implementation. - - database wrapper code - - Copyright (C) Andrew Tridgell 2007 - Copyright (C) Volker Lendecke 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/>. -*/ - -#include "includes.h" -#include "../tdb/include/tdb.h" -#include "lib/dbwrap/dbwrap.h" -#include "param/param.h" - -/** - open a temporary database - */ -struct db_context *db_tmp_open(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *name, int tdb_flags) -{ - if (lp_parm_bool(lp_ctx, NULL, "ctdb", "enable", false) && - lp_parm_bool(lp_ctx, NULL, "ctdb", name, true)) { - return db_tmp_open_ctdb(mem_ctx, lp_ctx, name, tdb_flags); - } - - return db_tmp_open_tdb(mem_ctx, lp_ctx, name, tdb_flags); -} diff --git a/source4/lib/dbwrap/dbwrap.h b/source4/lib/dbwrap/dbwrap.h deleted file mode 100644 index 1a3b3f5273..0000000000 --- a/source4/lib/dbwrap/dbwrap.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - Unix SMB/CIFS implementation. - - database wrapper code - - Copyright (C) Volker Lendecks 2005-2007 - Copyright (C) Andrew Tridgell 2007 - - 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/>. -*/ - -struct db_record { - TDB_DATA key, value; - NTSTATUS (*store)(struct db_record *rec, TDB_DATA data, int flag); - NTSTATUS (*delete_rec)(struct db_record *rec); - void *private_data; -}; - -struct db_context { - struct db_record *(*fetch_locked)(struct db_context *db, - TALLOC_CTX *mem_ctx, - TDB_DATA key); - int (*fetch)(struct db_context *db, TALLOC_CTX *mem_ctx, - TDB_DATA key, TDB_DATA *data); - int (*traverse)(struct db_context *db, - int (*f)(struct db_record *db, - void *private_data), - void *private_data); - int (*traverse_read)(struct db_context *db, - int (*f)(struct db_record *db, - void *private_data), - void *private_data); - int (*get_seqnum)(struct db_context *db); - void *private_data; -}; - -struct loadparm_context; -struct db_context *db_tmp_open(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *name, int tdb_flags); - - -/* backends */ -struct db_context *db_tmp_open_tdb(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *name, int tdb_flags); -struct db_context *db_tmp_open_ctdb(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *name, int tdb_flags); diff --git a/source4/lib/dbwrap/dbwrap_ctdb.c b/source4/lib/dbwrap/dbwrap_ctdb.c deleted file mode 100644 index b079658a00..0000000000 --- a/source4/lib/dbwrap/dbwrap_ctdb.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - Unix SMB/CIFS implementation. - - Database interface wrapper around ctdbd - - Copyright (C) Andrew Tridgell 2007 - - 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 "../tdb/include/tdb.h" -#include "lib/dbwrap/dbwrap.h" -#include "cluster/cluster.h" -#include "cluster/ctdb/include/ctdb.h" - -static NTSTATUS db_ctdb_store(struct db_record *rec, TDB_DATA data, int flag) -{ - struct ctdb_record_handle *h = talloc_get_type(rec->private_data, struct ctdb_record_handle); - int ret; - - ret = ctdb_record_store(h, data); - if (ret != 0) { - return NT_STATUS_INTERNAL_DB_CORRUPTION; - } - return NT_STATUS_OK; -} - -static NTSTATUS db_ctdb_delete(struct db_record *rec) -{ - return rec->store(rec, tdb_null, TDB_REPLACE); -} - - -static struct db_record *db_ctdb_fetch_locked(struct db_context *db, - TALLOC_CTX *mem_ctx, - TDB_DATA key) -{ - struct db_record *rec; - struct ctdb_record_handle *h; - struct ctdb_db_context *cdb = talloc_get_type(db->private_data, struct ctdb_db_context); - - rec = talloc(mem_ctx, struct db_record); - if (!rec) return NULL; - - h = ctdb_fetch_lock(cdb, rec, key, &rec->value); - if (h == NULL) { - talloc_free(rec); - return NULL; - } - - rec->private_data = h; - rec->store = db_ctdb_store; - rec->delete_rec = db_ctdb_delete; - - return rec; -} - -/* - fetch (unlocked, no migration) operation on ctdb - */ -static int db_ctdb_fetch(struct db_context *db, TALLOC_CTX *mem_ctx, - TDB_DATA key, TDB_DATA *data) -{ - struct ctdb_db_context *cdb = talloc_get_type(db->private_data, struct ctdb_db_context); - - return ctdb_fetch(cdb, mem_ctx, key, data); -} - -struct traverse_state { - struct db_context *db; - int (*fn)(struct db_record *rec, void *private_data); - void *private_data; -}; - -static int traverse_callback(struct ctdb_context *ctdb, TDB_DATA key, TDB_DATA data, void *private_data) -{ - struct traverse_state *state = (struct traverse_state *)private_data; - struct db_record *rec; - TALLOC_CTX *tmp_ctx = talloc_new(state->db); - /* we have to give them a locked record to prevent races */ - rec = db_ctdb_fetch_locked(state->db, tmp_ctx, key); - if (rec && rec->value.dsize > 0) { - state->fn(rec, state->private_data); - } - talloc_free(tmp_ctx); - return 0; -} - -static int db_ctdb_traverse(struct db_context *db, - int (*fn)(struct db_record *rec, void *private_data), - void *private_data) -{ - struct ctdb_db_context *cdb = talloc_get_type(db->private_data, struct ctdb_db_context); - struct traverse_state state; - - state.db = db; - state.fn = fn; - state.private_data = private_data; - - ctdb_traverse(cdb, traverse_callback, &state); - return 0; -} - -static NTSTATUS db_ctdb_store_deny(struct db_record *rec, TDB_DATA data, int flag) -{ - return NT_STATUS_MEDIA_WRITE_PROTECTED; -} - -static NTSTATUS db_ctdb_delete_deny(struct db_record *rec) -{ - return NT_STATUS_MEDIA_WRITE_PROTECTED; -} - -static int traverse_read_callback(struct ctdb_context *ctdb, - TDB_DATA key, TDB_DATA data, void *private_data) -{ - struct traverse_state *state = (struct traverse_state *)private_data; - struct db_record rec; - rec.key = key; - rec.value = data; - rec.store = db_ctdb_store_deny; - rec.delete_rec = db_ctdb_delete_deny; - rec.private_data = state->db; - state->fn(&rec, state->private_data); - return 0; -} - -static int db_ctdb_traverse_read(struct db_context *db, - int (*fn)(struct db_record *rec, - void *private_data), - void *private_data) -{ - struct traverse_state state; - struct ctdb_db_context *cdb = talloc_get_type(db->private_data, struct ctdb_db_context); - - state.db = db; - state.fn = fn; - state.private_data = private_data; - - ctdb_traverse(cdb, traverse_read_callback, &state); - return 0; -} - -static int db_ctdb_get_seqnum(struct db_context *db) -{ - DEBUG(0,("ctdb_get_seqnum not implemented\n")); - return -1; -} - -struct db_context *db_tmp_open_ctdb(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, - const char *name, int tdb_flags) -{ - struct db_context *db; - struct ctdb_context *ctdb = talloc_get_type(cluster_backend_handle(), - struct ctdb_context); - struct ctdb_db_context *cdb; - - db = talloc_zero(mem_ctx, struct db_context); - if (db == NULL) { - return NULL; - } - - cdb = ctdb_attach(ctdb, name); - if (!cdb) { - DEBUG(0,("Failed to attach to ctdb database '%s'\n", name)); - talloc_free(db); - return NULL; - } - - db->private_data = cdb; - db->fetch_locked = db_ctdb_fetch_locked; - db->fetch = db_ctdb_fetch; - db->traverse = db_ctdb_traverse; - db->traverse_read = db_ctdb_traverse_read; - db->get_seqnum = db_ctdb_get_seqnum; - - DEBUG(3,("db_tmp_open_ctdb: opened database '%s'\n", name)); - - return db; -} diff --git a/source4/lib/dbwrap/dbwrap_tdb.c b/source4/lib/dbwrap/dbwrap_tdb.c deleted file mode 100644 index 3fd13dbd13..0000000000 --- a/source4/lib/dbwrap/dbwrap_tdb.c +++ /dev/null @@ -1,267 +0,0 @@ -/* - Unix SMB/CIFS implementation. - - Database interface wrapper around tdb - - Copyright (C) Volker Lendecke 2005 - Copyright (C) Andrew Tridgell 2007 - - 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 "../tdb/include/tdb.h" -#include "lib/dbwrap/dbwrap.h" -#include "system/filesys.h" -#include "tdb_wrap.h" -#include "param/param.h" - -struct db_tdb_ctx { - struct tdb_wrap *wtdb; -}; - -static NTSTATUS db_tdb_store(struct db_record *rec, TDB_DATA data, int flag); -static NTSTATUS db_tdb_delete(struct db_record *rec); - -static int db_tdb_record_destr(struct db_record* data) -{ - struct db_tdb_ctx *ctx = talloc_get_type(data->private_data, struct db_tdb_ctx); - - if (tdb_chainunlock(ctx->wtdb->tdb, data->key) != 0) { - DEBUG(0, ("tdb_chainunlock failed\n")); - return -1; - } - return 0; -} - -static int db_tdb_fetch(struct db_context *db, TALLOC_CTX *mem_ctx, TDB_DATA key, TDB_DATA *data) -{ - struct db_tdb_ctx *ctx = talloc_get_type(db->private_data, struct db_tdb_ctx); - TDB_DATA value; - - value = tdb_fetch(ctx->wtdb->tdb, key); - if (value.dptr == NULL) { - return -1; - } - - data->dsize = value.dsize; - data->dptr = (uint8_t *)talloc_memdup(mem_ctx, value.dptr, value.dsize); - free(value.dptr); - if (data->dptr == NULL) { - errno = ENOMEM; - return -1; - } - - return 0; -} - -static struct db_record *db_tdb_fetch_locked(struct db_context *db, - TALLOC_CTX *mem_ctx, TDB_DATA key) -{ - struct db_tdb_ctx *ctx = talloc_get_type(db->private_data, struct db_tdb_ctx); - struct db_record *result; - TDB_DATA value; - - result = talloc(mem_ctx, struct db_record); - if (result == NULL) { - return NULL; - } - - result->key.dsize = key.dsize; - result->key.dptr = (uint8_t *)talloc_memdup(result, key.dptr, key.dsize); - if (result->key.dptr == NULL) { - talloc_free(result); - return NULL; - } - - result->value.dptr = NULL; - result->value.dsize = 0; - result->private_data = talloc_reference(result, ctx); - result->store = db_tdb_store; - result->delete_rec = db_tdb_delete; - - if (tdb_chainlock(ctx->wtdb->tdb, key) != 0) { - talloc_free(result); - return NULL; - } - - talloc_set_destructor(result, db_tdb_record_destr); - - value = tdb_fetch(ctx->wtdb->tdb, key); - - if (value.dptr == NULL) { - return result; - } - - result->value.dsize = value.dsize; - result->value.dptr = (uint8_t *)talloc_memdup(result, value.dptr, - value.dsize); - free(value.dptr); - if (result->value.dptr == NULL) { - talloc_free(result); - return NULL; - } - - return result; -} - -static NTSTATUS db_tdb_store(struct db_record *rec, TDB_DATA data, int flag) -{ - struct db_tdb_ctx *ctx = talloc_get_type(rec->private_data, struct db_tdb_ctx); - - /* - * This has a bug: We need to replace rec->value for correct - * operation, but right now brlock and locking don't use the value - * anymore after it was stored. - */ - - return (tdb_store(ctx->wtdb->tdb, rec->key, data, flag) == 0) ? - NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; -} - -static NTSTATUS db_tdb_delete(struct db_record *rec) -{ - struct db_tdb_ctx *ctx = talloc_get_type(rec->private_data, struct db_tdb_ctx); - - return (tdb_delete(ctx->wtdb->tdb, rec->key) == 0) ? - NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL; -} - -struct db_tdb_traverse_ctx { - struct db_context *db; - int (*f)(struct db_record *rec, void *private_data); - void *private_data; -}; - -static int db_tdb_traverse_func(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, - void *private_data) -{ - struct db_tdb_traverse_ctx *ctx = - (struct db_tdb_traverse_ctx *)private_data; - struct db_record rec; - - rec.key = kbuf; - rec.value = dbuf; - rec.store = db_tdb_store; - rec.delete_rec = db_tdb_delete; - rec.private_data = ctx->db->private_data; - - return ctx->f(&rec, ctx->private_data); -} - -static int db_tdb_traverse(struct db_context *db, - int (*f)(struct db_record *rec, void *private_data), - void *private_data) -{ - struct db_tdb_ctx *db_ctx = - talloc_get_type(db->private_data, struct db_tdb_ctx); - struct db_tdb_traverse_ctx ctx; - - ctx.db = db; - ctx.f = f; - ctx.private_data = private_data; - return tdb_traverse(db_ctx->wtdb->tdb, db_tdb_traverse_func, &ctx); -} - -static NTSTATUS db_tdb_store_deny(struct db_record *rec, TDB_DATA data, int flag) -{ - return NT_STATUS_MEDIA_WRITE_PROTECTED; -} - -static NTSTATUS db_tdb_delete_deny(struct db_record *rec) -{ - return NT_STATUS_MEDIA_WRITE_PROTECTED; -} - -static int db_tdb_traverse_read_func(TDB_CONTEXT *tdb, TDB_DATA kbuf, TDB_DATA dbuf, - void *private_data) -{ - struct db_tdb_traverse_ctx *ctx = - (struct db_tdb_traverse_ctx *)private_data; - struct db_record rec; - - rec.key = kbuf; - rec.value = dbuf; - rec.store = db_tdb_store_deny; - rec.delete_rec = db_tdb_delete_deny; - rec.private_data = ctx->db->private_data; - - return ctx->f(&rec, ctx->private_data); -} - -static int db_tdb_traverse_read(struct db_context *db, - int (*f)(struct db_record *rec, void *private_data), - void *private_data) -{ - struct db_tdb_ctx *db_ctx = - talloc_get_type(db->private_data, struct db_tdb_ctx); - struct db_tdb_traverse_ctx ctx; - - ctx.db = db; - ctx.f = f; - ctx.private_data = private_data; - return tdb_traverse_read(db_ctx->wtdb->tdb, db_tdb_traverse_read_func, &ctx); -} - -static int db_tdb_get_seqnum(struct db_context *db) - -{ - struct db_tdb_ctx *db_ctx = - talloc_get_type(db->private_data, struct db_tdb_ctx); - return tdb_get_seqnum(db_ctx->wtdb->tdb); -} - -/* - open a temporary database - */ -struct db_context *db_tmp_open_tdb(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, - const char *name, int tdb_flags) -{ - struct db_context *result; - struct db_tdb_ctx *db_tdb; - char *path; - - result = talloc_zero(mem_ctx, struct db_context); - if (result == NULL) goto failed; - - db_tdb = talloc(result, struct db_tdb_ctx); - if (db_tdb == NULL) goto failed; - - result->private_data = db_tdb; - - /* the name passed in should not be a full path, it should be - just be the db name */ - path = smbd_tmp_path(result, lp_ctx, name); - - db_tdb->wtdb = tdb_wrap_open(db_tdb, path, 0, tdb_flags, - O_CREAT|O_RDWR, 0666); - if (db_tdb->wtdb == NULL) { - DEBUG(3, ("Could not open tdb '%s': %s\n", path, strerror(errno))); - goto failed; - } - - talloc_free(path); - - result->fetch_locked = db_tdb_fetch_locked; - result->fetch = db_tdb_fetch; - result->traverse = db_tdb_traverse; - result->traverse_read = db_tdb_traverse_read; - result->get_seqnum = db_tdb_get_seqnum; - - return result; - - failed: - talloc_free(result); - return NULL; -} |