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authorJelmer Vernooij <jelmer@samba.org>2002-08-29 07:35:18 +0000
committerJelmer Vernooij <jelmer@samba.org>2002-08-29 07:35:18 +0000
commitd1052ec97909194d00ec301f43fe10ab65b81eda (patch)
treef88be6a2a960fcba2c184e0d26956ca34b0593dc /source3/sam
parent08d4898a70000a43190d57a4f47872cc55c7a126 (diff)
downloadsamba-d1052ec97909194d00ec301f43fe10ab65b81eda.tar.gz
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Add plugin support for the sam system from metze (based on passdb code)
(This used to be commit 61626340e506d32a6560a162005b43f10445fbb9)
Diffstat (limited to 'source3/sam')
-rw-r--r--source3/sam/sam_plugin.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/source3/sam/sam_plugin.c b/source3/sam/sam_plugin.c
new file mode 100644
index 0000000000..56f8260544
--- /dev/null
+++ b/source3/sam/sam_plugin.c
@@ -0,0 +1,79 @@
+/*
+ Unix SMB/CIFS implementation.
+ Loadable san module interface.
+ Copyright (C) Jelmer Vernooij 2002
+ Copyright (C) Andrew Bartlett 2002
+ Copyright (C) Stefan (metze) Metzmacher 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_SAM
+
+NTSTATUS sam_init_plugin(SAM_CONTEXT *sam_context, SAM_METHODS **sam_method, const char *location)
+{
+ void * dl_handle;
+ char *plugin_location, *plugin_name, *p;
+ sam_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, "sam_version");
+ if (!plugin_version) {
+ sys_dlclose(dl_handle);
+ DEBUG(0, ("Failed to find function 'sam_version' using sys_dlsym in sam plugin %s (%s)\n", plugin_name, sys_dlerror()));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (plugin_version()!=SAM_INTERFACE_VERSION) {
+ sys_dlclose(dl_handle);
+ DEBUG(0, ("Wrong SAM_INTERFACE_VERSION! sam plugin has version %d and version %d is needed! Please update!\n",
+ plugin_version(),SAM_INTERFACE_VERSION));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ plugin_init = sys_dlsym(dl_handle, "sam_init");
+ if (!plugin_init) {
+ sys_dlclose(dl_handle);
+ DEBUG(0, ("Failed to find function 'sam_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(sam_context, sam_method, plugin_location);
+}