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authorGerald Carter <jerry@samba.org>2003-07-16 05:42:34 +0000
committerGerald Carter <jerry@samba.org>2003-07-16 05:42:34 +0000
commit1caa6b23e417f77e7b38ecdfa47d9abe8c7b7d0e (patch)
tree8bdf608593fc37227886691b0a12190dd1e8ba66 /source3/passdb/pdb_plugin.c
parent4a090ba06a54f5da179ac02bb307cc03d08831bf (diff)
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ading new files from 3.0
(This used to be commit 99feae7b5b1c229a925367b87c0c0f636d9a2d75)
Diffstat (limited to 'source3/passdb/pdb_plugin.c')
-rw-r--r--source3/passdb/pdb_plugin.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/source3/passdb/pdb_plugin.c b/source3/passdb/pdb_plugin.c
new file mode 100644
index 0000000000..ea67da23a5
--- /dev/null
+++ b/source3/passdb/pdb_plugin.c
@@ -0,0 +1,78 @@
+/*
+ Unix SMB/CIFS implementation.
+ Loadable passdb module interface.
+ Copyright (C) Jelmer Vernooij 2002
+ Copyright (C) Andrew Bartlett 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"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_PASSDB
+
+NTSTATUS pdb_init_plugin(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
+{
+ void * dl_handle;
+ char *plugin_location, *plugin_name, *p;
+ pdb_init_function plugin_init;
+ int (*plugin_version)(void);
+
+ if (location == NULL) {
+ DEBUG(0, ("The plugin module needs an argument!\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ plugin_name = smb_xstrdup(location);
+ p = strchr(plugin_name, ':');
+ if (p) {
+ *p = 0;
+ plugin_location = p+1;
+ trim_string(plugin_location, " ", " ");
+ } else plugin_location = NULL;
+ trim_string(plugin_name, " ", " ");
+
+ DEBUG(5, ("Trying to load sam plugin %s\n", plugin_name));
+ dl_handle = sys_dlopen(plugin_name, RTLD_NOW );
+ if (!dl_handle) {
+ DEBUG(0, ("Failed to load sam plugin %s using sys_dlopen (%s)\n", plugin_name, sys_dlerror()));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ plugin_version = sys_dlsym(dl_handle, "pdb_version");
+ if (!plugin_version) {
+ sys_dlclose(dl_handle);
+ DEBUG(0, ("Failed to find function 'pdb_version' using sys_dlsym in sam plugin %s (%s)\n", plugin_name, sys_dlerror()));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (plugin_version() != PASSDB_INTERFACE_VERSION) {
+ sys_dlclose(dl_handle);
+ DEBUG(0, ("Wrong PASSDB_INTERFACE_VERSION! sam plugin has version %d and version %d is needed! Please update!\n",
+ plugin_version(),PASSDB_INTERFACE_VERSION));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ plugin_init = sys_dlsym(dl_handle, "pdb_init");
+ if (!plugin_init) {
+ sys_dlclose(dl_handle);
+ DEBUG(0, ("Failed to find function 'pdb_init' using sys_dlsym in sam plugin %s (%s)\n", plugin_name, sys_dlerror()));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ DEBUG(5, ("Starting sam plugin %s with location %s\n", plugin_name, plugin_location));
+ return plugin_init(pdb_context, pdb_method, plugin_location);
+}