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Add initial vesion of new module system

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(This used to be commit b5d05d3ec6)
This commit is contained in:
Jelmer Vernooij 2002-10-30 11:52:36 +00:00
parent d85f752d1e
commit 1f40ad5813
2 changed files with 65 additions and 1 deletions
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3
source3/Makefile.in
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@ -141,7 +141,8 @@ LIB_OBJ = lib/charcnv.o lib/debug.o lib/fault.o \
lib/md5.o lib/hmacmd5.o lib/iconv.o lib/smbpasswd.o \
nsswitch/wb_client.o nsswitch/wb_common.o \
lib/pam_errors.o intl/lang_tdb.o lib/account_pol.o \
lib/adt_tree.o lib/popt_common.o lib/gencache.o $(TDB_OBJ)
lib/adt_tree.o lib/popt_common.o lib/gencache.o $(TDB_OBJ) \
lib/module.o
LIB_SMBD_OBJ = lib/system_smbd.o lib/util_smbd.o

63
source3/lib/module.c Normal file
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@ -0,0 +1,63 @@
/*
Unix SMB/CIFS implementation.
module loading system
Copyright (C) Jelmer Vernooij 2002
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#ifdef HAVE_DLOPEN
NTSTATUS smb_load_module(const char *module_name)
{
void *handle;
init_module_function *init;
/* Always try to use LAZY symbol resolving; if the plugin has
* backwards compatibility, there might be symbols in the
* plugin referencing to old (removed) functions
*/
handle = dlopen(module_name, RTLD_LAZY | RTLD_GLOBAL);
if(!handle) {
DEBUG(0, ("Error loading module '%s': %s\n", module_name, sys_dlerror()));
return NT_STATUS_UNSUCCESSFUL;
}
init = sys_dlsym(handle, "init_module");
if(!init) {
DEBUG(0, ("Error trying to resolve symbol 'init_module' in %s: %s\n", module_name, sys_dlerror()));
return NT_STATUS_UNSUCCESSFUL;
}
init();
DEBUG(2, ("Module '%s' loaded\n", module_name));
return NT_STATUS_OK;
}
#else /* HAVE_DLOPEN */
NTSTATUS smb_load_module(const char *module_name)
{
DEBUG(0,("This samba executable has not been build with plugin support"));
return NT_STATUS_NOT_SUPPORTED;
}
#endif /* HAVE_DLOPEN */