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authorJelmer Vernooij <jelmer@samba.org>2003-04-14 22:23:02 +0000
committerJelmer Vernooij <jelmer@samba.org>2003-04-14 22:23:02 +0000
commit7fcbdf00f6bba44d44e560176468605311e81d67 (patch)
tree80484ac6b67765a1126c4ea21bc3101992e0cb95 /source3/lib
parent10bf059b62480d502652408e9c138445859789fc (diff)
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Add some more functions for the modules (backport from HEAD):
- init_modules() - smb_probe_module() (This used to be commit b3328dab2fa069af300b4076695bf6c359501111)
Diffstat (limited to 'source3/lib')
-rw-r--r--source3/lib/module.c97
1 files changed, 88 insertions, 9 deletions
diff --git a/source3/lib/module.c b/source3/lib/module.c
index 2498f6de2c..763a5c2b2d 100644
--- a/source3/lib/module.c
+++ b/source3/lib/module.c
@@ -22,11 +22,11 @@
#include "includes.h"
#ifdef HAVE_DLOPEN
-NTSTATUS smb_load_module(const char *module_name)
+int smb_load_module(const char *module_name)
{
void *handle;
init_module_function *init;
- NTSTATUS nt_status;
+ int status;
const char *error;
/* Always try to use LAZY symbol resolving; if the plugin has
@@ -37,7 +37,7 @@ NTSTATUS smb_load_module(const char *module_name)
if(!handle) {
DEBUG(0, ("Error loading module '%s': %s\n", module_name, sys_dlerror()));
- return NT_STATUS_UNSUCCESSFUL;
+ return False;
}
init = sys_dlsym(handle, "init_module");
@@ -47,22 +47,101 @@ NTSTATUS smb_load_module(const char *module_name)
error = sys_dlerror();
if (error) {
DEBUG(0, ("Error trying to resolve symbol 'init_module' in %s: %s\n", module_name, error));
- return NT_STATUS_UNSUCCESSFUL;
+ return False;
}
- nt_status = init();
+ status = init();
DEBUG(2, ("Module '%s' loaded\n", module_name));
- return nt_status;
+ return status;
+}
+
+/* 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(smb_load_module(modules[i])) {
+ success++;
+ }
+ }
+
+ DEBUG(2, ("%d modules successfully loaded\n", success));
+
+ return success;
+}
+
+int smb_probe_module(const char *subsystem, const char *module)
+{
+ pstring full_path;
+
+ /* Check for absolute path */
+ if(strchr_m(module, '/'))return smb_load_module(module);
+
+ pstrcpy(full_path, lib_path(subsystem));
+ pstrcat(full_path, "/");
+ pstrcat(full_path, module);
+ pstrcat(full_path, ".");
+ pstrcat(full_path, shlib_ext());
+
+ DEBUG(5, ("Probing module %s: Trying to load from %s\n", module, full_path));
+
+ return smb_load_module(full_path);
}
#else /* HAVE_DLOPEN */
-NTSTATUS smb_load_module(const char *module_name)
+int smb_load_module(const char *module_name)
+{
+ DEBUG(0,("This samba executable has not been built with plugin support"));
+ return False;
+}
+
+int smb_load_modules(const char **modules)
+{
+ DEBUG(0,("This samba executable has not been built with plugin support"));
+ return False;
+}
+
+int smb_probe_module(const char *subsystem, const char *module)
{
- DEBUG(0,("This samba executable has not been build with plugin support"));
- return NT_STATUS_NOT_SUPPORTED;
+ DEBUG(0,("This samba executable has not been built with plugin support, not probing"));
+ return False;
}
#endif /* HAVE_DLOPEN */
+
+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());
+}
+
+
+/*************************************************************************
+ * This functions /path/to/foobar.so -> foobar
+ ************************************************************************/
+void module_path_get_name(const char *path, pstring name)
+{
+ char *s;
+
+ /* First, make the path relative */
+ s = strrchr(path, '/');
+ if(s) pstrcpy(name, s+1);
+ else pstrcpy(name, path);
+
+ if (dyn_SHLIBEXT && *dyn_SHLIBEXT && strlen(dyn_SHLIBEXT) < strlen(name)) {
+ int n = strlen(name) - strlen(dyn_SHLIBEXT);
+
+ /* Remove extension if necessary */
+ if (name[n-1] == '.' && !strcmp(name+n, dyn_SHLIBEXT)) {
+ name[n-1] = '\0';
+ }
+ }
+}