diff options
Diffstat (limited to 'lib/util')
| -rw-r--r-- | lib/util/util_ntdb.c | 114 | ||||
| -rw-r--r-- | lib/util/util_ntdb.h | 47 | ||||
| -rwxr-xr-x | lib/util/wscript_build | 7 |
3 files changed, 168 insertions, 0 deletions
diff --git a/lib/util/util_ntdb.c b/lib/util/util_ntdb.c new file mode 100644 index 0000000000..9c3e2a5254 --- /dev/null +++ b/lib/util/util_ntdb.c @@ -0,0 +1,114 @@ +/* + Unix SMB/CIFS implementation. + + ntdb utility functions + + Copyright (C) Rusty Russell 2012 + + 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 "util_ntdb.h" +#include "lib/param/param.h" + +static void *ntdb_talloc(const void *owner, size_t len, void *priv_data) +{ + return talloc_size(owner, len); +} + +static void *ntdb_expand(void *old, size_t newlen, void *priv_data) +{ + return talloc_realloc_size(NULL, old, newlen); +} + +static void ntdb_free(void *old, void *priv_data) +{ + talloc_free(old); +} + +static int ntdb_destroy(struct ntdb_context *ntdb) +{ + ntdb_close(ntdb); + return 0; +} + +static void ntdb_log(struct ntdb_context *ntdb, + enum ntdb_log_level level, + enum NTDB_ERROR ecode, + const char *message, + void *unused) +{ + int dl; + const char *name = ntdb_name(ntdb); + + switch (level) { + case NTDB_LOG_USE_ERROR: + case NTDB_LOG_ERROR: + dl = 0; + break; + case NTDB_LOG_WARNING: + dl = 2; + break; + default: + dl = 0; + } + + DEBUG(dl, ("ntdb(%s):%s: %s\n", name ? name : "unnamed", + ntdb_errorstr(ecode), message)); +} + +struct ntdb_context *ntdb_new(TALLOC_CTX *ctx, + const char *name, int ntdb_flags, + int open_flags, mode_t mode, + union ntdb_attribute *attr, + struct loadparm_context *lp_ctx) +{ + union ntdb_attribute log_attr, alloc_attr; + struct ntdb_context *ntdb; + + if (lp_ctx && !lpcfg_use_mmap(lp_ctx)) { + ntdb_flags |= NTDB_NOMMAP; + } + + /* Great hack for speeding testing! */ + if (getenv("TDB_NO_FSYNC")) { + ntdb_flags |= NTDB_NOSYNC; + } + + log_attr.base.next = attr; + log_attr.base.attr = NTDB_ATTRIBUTE_LOG; + log_attr.log.fn = ntdb_log; + + alloc_attr.base.next = &log_attr; + alloc_attr.base.attr = NTDB_ATTRIBUTE_ALLOCATOR; + alloc_attr.alloc.alloc = ntdb_talloc; + alloc_attr.alloc.expand = ntdb_expand; + alloc_attr.alloc.free = ntdb_free; + + ntdb = ntdb_open(name, ntdb_flags, open_flags, mode, &alloc_attr); + if (!ntdb) { + return NULL; + } + + /* We can re-use the tdb's path name for the talloc name */ + name = ntdb_name(ntdb); + if (name) { + talloc_set_name_const(ntdb, name); + } else { + talloc_set_name_const(ntdb, "unnamed ntdb"); + } + talloc_set_destructor(ntdb, ntdb_destroy); + + return talloc_steal(ctx, ntdb); +} diff --git a/lib/util/util_ntdb.h b/lib/util/util_ntdb.h new file mode 100644 index 0000000000..a5eab7f436 --- /dev/null +++ b/lib/util/util_ntdb.h @@ -0,0 +1,47 @@ +/* + Unix SMB/CIFS implementation. + + tdb utility functions + + Copyright (C) Rusty Russell 2012 + + 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/>. +*/ + +#ifndef _____LIB_UTIL_UTIL_NTDB_H__ +#define _____LIB_UTIL_UTIL_NTDB_H__ +#include <ntdb.h> +#include <talloc.h> + +struct loadparm_context; +union ntdb_attribute; + +/*************************************************************** + Open an NTDB using talloc: it will be allocated off the context, and + all NTDB_DATA.dptr are allocated as children of the ntdb context. + Sets up a logging function for you, and uses lp_ctx to decide whether + to disable mmap. + + Any extra ntdb attributes can be handed through attr; usually it's + NULL, ntdb_new provides logging and allocator attributes. + + The destructor for the struct ntdb_context will do ntdb_close() + for you. +****************************************************************/ +struct ntdb_context *ntdb_new(TALLOC_CTX *ctx, + const char *name, int ntdb_flags, + int open_flags, mode_t mode, + union ntdb_attribute *attr, + struct loadparm_context *lp_ctx); +#endif /* _____LIB_UTIL_UTIL_NTDB_H__ */ diff --git a/lib/util/wscript_build b/lib/util/wscript_build index 92221b9494..a955ab6a48 100755 --- a/lib/util/wscript_build +++ b/lib/util/wscript_build @@ -45,6 +45,13 @@ bld.SAMBA_LIBRARY('util_tdb', private_library=True ) +bld.SAMBA_LIBRARY('util_ntdb', + source='util_ntdb.c', + local_include=False, + public_deps='ntdb talloc samba-util samba-hostconfig', + private_library=True + ) + bld.SAMBA_LIBRARY('tevent-util', source='tevent_unix.c tevent_ntstatus.c tevent_werror.c', local_include=False, |