summaryrefslogtreecommitdiff
path: root/source3/lib/module.c
diff options
context:
space:
mode:
authorAndrew Bartlett <abartlet@samba.org>2011-09-09 21:24:49 +1000
committerAndrew Bartlett <abartlet@samba.org>2011-10-06 07:18:07 +0200
commit7d33ec3dfe78723d62f4941684060baeb9c4bda6 (patch)
tree0ca105c694d41ebda5d6b7e9c50e0b57d4204858 /source3/lib/module.c
parent040055bb6a578516007ab6f56ebe2ee77b0f8605 (diff)
downloadsamba-7d33ec3dfe78723d62f4941684060baeb9c4bda6.tar.gz
samba-7d33ec3dfe78723d62f4941684060baeb9c4bda6.tar.bz2
samba-7d33ec3dfe78723d62f4941684060baeb9c4bda6.zip
lib/util: consolidate module loading into common code
This creates a samba-modules private libary that handles the details. Andrew Bartlett
Diffstat (limited to 'source3/lib/module.c')
-rw-r--r--source3/lib/module.c120
1 files changed, 0 insertions, 120 deletions
diff --git a/source3/lib/module.c b/source3/lib/module.c
index 9cd3884c51..a85d7d0528 100644
--- a/source3/lib/module.c
+++ b/source3/lib/module.c
@@ -20,123 +20,3 @@
*/
#include "includes.h"
-
-/* Load a dynamic module. Only log a level 0 error if we are not checking
- for the existence of a module (probling). */
-
-static NTSTATUS do_smb_load_module(const char *module_name, bool is_probe)
-{
- void *handle;
- init_module_function *init;
- NTSTATUS status;
- const char *error;
-
- /* 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);
-
- /* This call should reset any possible non-fatal errors that
- occured since last call to dl* functions */
- error = dlerror();
-
- if(!handle) {
- int level = is_probe ? 3 : 0;
- DEBUG(level, ("Error loading module '%s': %s\n", module_name, error ? error : ""));
- return NT_STATUS_UNSUCCESSFUL;
- }
-
- init = (init_module_function *)dlsym(handle, "init_samba_module");
-
- /* we must check dlerror() to determine if it worked, because
- dlsym() can validly return NULL */
- error = dlerror();
- if (error) {
- DEBUG(0, ("Error trying to resolve symbol 'init_samba_module' "
- "in %s: %s\n", module_name, error));
- dlclose(handle);
- return NT_STATUS_UNSUCCESSFUL;
- }
-
- DEBUG(2, ("Module '%s' loaded\n", module_name));
-
- status = init();
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0, ("Module '%s' initialization failed: %s\n",
- module_name, get_friendly_nt_error_msg(status)));
- dlclose(handle);
- }
-
- return status;
-}
-
-NTSTATUS smb_load_module(const char *module_name)
-{
- return do_smb_load_module(module_name, False);
-}
-
-/* Load all modules in list and return number of
- * modules that has been successfully loaded */
-int smb_load_modules(const char **modules)
-{
- int i;
- int success = 0;
-
- for(i = 0; modules[i]; i++){
- if(NT_STATUS_IS_OK(smb_load_module(modules[i]))) {
- success++;
- }
- }
-
- DEBUG(2, ("%d modules successfully loaded\n", success));
-
- return success;
-}
-
-NTSTATUS smb_probe_module(const char *subsystem, const char *module)
-{
- char *full_path = NULL;
- TALLOC_CTX *ctx = talloc_stackframe();
- NTSTATUS status;
-
- /* Check for absolute path */
-
- /* if we make any 'samba multibyte string'
- calls here, we break
- for loading string modules */
-
- DEBUG(5, ("Probing module '%s'\n", module));
-
- if (module[0] == '/') {
- status = do_smb_load_module(module, True);
- TALLOC_FREE(ctx);
- return status;
- }
-
- full_path = talloc_asprintf(ctx,
- "%s/%s.%s",
- modules_path(ctx, subsystem),
- module,
- shlib_ext());
- if (!full_path) {
- TALLOC_FREE(ctx);
- return NT_STATUS_NO_MEMORY;
- }
-
- DEBUG(5, ("Probing module '%s': Trying to load from %s\n",
- module, full_path));
-
- status = do_smb_load_module(full_path, True);
-
- TALLOC_FREE(ctx);
- return status;
-}
-
-void init_modules(void)
-{
- /* FIXME: This can cause undefined symbol errors :
- * smb_register_vfs() isn't available in nmbd, for example */
- if(lp_preload_modules())
- smb_load_modules(lp_preload_modules());
-}