Rename hdb_ldb to hdb_samba4 and load as a plugin into the kdc.
[kai/samba.git] / source4 / heimdal / lib / hdb / hdb.c
index 3fddabb2d08dad3d3bd715b4ee1f5d871bcb87ca..19c170767dfab78e99ad80697985c892b4fab9ef 100644 (file)
  * SUCH DAMAGE. 
  */
 
  * SUCH DAMAGE. 
  */
 
+#include "krb5.h"
+#include "krb5_locl.h"
 #include "hdb_locl.h"
 #include "hdb_locl.h"
-
 RCSID("$Id$");
 
 #ifdef HAVE_DLFCN_H
 #include <dlfcn.h>
 #endif
 
 RCSID("$Id$");
 
 #ifdef HAVE_DLFCN_H
 #include <dlfcn.h>
 #endif
 
-struct hdb_method {
-    const char *prefix;
-    krb5_error_code (*create)(krb5_context, HDB **, const char *filename);
-};
-
 static struct hdb_method methods[] = {
 #if HAVE_DB1 || HAVE_DB3
 static struct hdb_method methods[] = {
 #if HAVE_DB1 || HAVE_DB3
-    {"db:",    hdb_db_create},
+    {HDB_INTERFACE_VERSION, "db:",     hdb_db_create},
 #endif
 #if HAVE_NDBM
 #endif
 #if HAVE_NDBM
-    {"ndbm:",  hdb_ndbm_create},
+    {HDB_INTERFACE_VERSION, "ndbm:",   hdb_ndbm_create},
 #endif
 #if defined(OPENLDAP) && !defined(OPENLDAP_MODULE)
 #endif
 #if defined(OPENLDAP) && !defined(OPENLDAP_MODULE)
-    {"ldap:",  hdb_ldap_create},
-    {"ldapi:", hdb_ldapi_create},
-#endif
-#ifdef HAVE_LDB /* Used for integrated samba build */
-    {"ldb:",   hdb_ldb_create},
+    {HDB_INTERFACE_VERSION, "ldap:",   hdb_ldap_create},
+    {HDB_INTERFACE_VERSION, "ldapi:",  hdb_ldapi_create},
 #endif
 #endif
-    {NULL,     NULL}
+    {0, NULL,  NULL}
 };
 
 #if HAVE_DB1 || HAVE_DB3
 };
 
 #if HAVE_DB1 || HAVE_DB3
@@ -398,11 +391,32 @@ hdb_create(krb5_context context, HDB **db, const char *filename)
 {
     const struct hdb_method *h;
     const char *residual;
 {
     const struct hdb_method *h;
     const char *residual;
+    krb5_error_code ret;
+    struct krb5_plugin *list = NULL, *e;
 
     if(filename == NULL)
        filename = HDB_DEFAULT_DB;
     krb5_add_et_list(context, initialize_hdb_error_table_r);
     h = find_method (filename, &residual);
 
     if(filename == NULL)
        filename = HDB_DEFAULT_DB;
     krb5_add_et_list(context, initialize_hdb_error_table_r);
     h = find_method (filename, &residual);
+
+    if (h == NULL) {
+           ret = _krb5_plugin_find(context, PLUGIN_TYPE_DATA, "hdb", &list);
+           if(ret == 0 && list != NULL) {
+                   for (e = list; e != NULL; e = _krb5_plugin_get_next(e)) {
+                           h = _krb5_plugin_get_symbol(e);
+                           if (strncmp (filename, h->prefix, strlen(h->prefix)) == 0
+                               && h->interface_version == HDB_INTERFACE_VERSION) {
+                                   residual = filename + strlen(h->prefix);
+                                   break;
+                           }
+                   }
+                   if (e == NULL) {
+                           h = NULL;
+                           _krb5_plugin_free(list);
+                   }
+           }
+    }
+
 #ifdef HAVE_DLOPEN
     if (h == NULL)
        h = find_dynamic_method (context, filename, &residual);
 #ifdef HAVE_DLOPEN
     if (h == NULL)
        h = find_dynamic_method (context, filename, &residual);