v0.7.4

  - Fixed: sockets in CLOSE_WAIT state left by afclient
  - Added: --localname and --localport options
  - Added: --localdesname option
  - Added: kicking user in 'opening' state
  - Fixed: info about kicked user
  - Fixed: TERM signal handling
  - Fixed: id lost after reconnection
  - Fixed: printing wrong client name in 'SSL_accept failed (timeout)' message
  - Fixed: ignored 'certificate' and 'key' options from config file
  - Added: config files for afclient
  - Modified: some options in afserver config file

1 files changed, 217 insertions, 0 deletions

diff --git a/src/module_struct.c b/src/module_struct.c
new file mode 100644
index 0000000..66d760f
--- /dev/null
+++ b/src/module_struct.c
@@ -0,0 +1,217 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003,2004,2005 jeremian <jeremian [at] poczta.fm>
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include <config.h>
+
+#ifdef HAVE_LIBDL
+
+#include "string_functions.h"
+#include "module_struct.h"
+
+#include <stdlib.h>
+#include <dlfcn.h>
+
+/*
+ * Function name: Module_new
+ * Description: Create and initialize new Module structure.
+ * Returns: Pointer to newly created Module structure.
+ */
+
+Module*
+Module_new()
+{
+  Module* tmp = calloc(1, sizeof(Module));
+  if (tmp == NULL) {
+    return NULL;
+  }
+  return tmp;
+}
+
+/*
+ * Function name: Module_free
+ * Description: Free the memory allocated for Module structure.
+ * Arguments: m - pointer to pointer to Module structure
+ */
+
+void
+Module_free(Module** m)
+{
+  if (m == NULL) {
+    return;
+  }
+  if ((*m) == NULL) {
+    return;
+  }
+  Module_releaseModule(*m);
+  if ((*m)->fileName) {
+    free((*m)->fileName);
+    (*m)->fileName = NULL;
+  }
+  free((*m));
+  (*m) = NULL;
+}
+
+/*
+ * Function name: Module_set_fileName
+ * Description: Set the filename of the module.
+ * Arguments: m - pointer to Module structure
+ *            fileName - the filename of the module
+ */
+
+void
+Module_set_fileName(Module* m, char* fileName)
+{
+  if (m == NULL) {
+    return;
+  }
+  string_cp(&(m->fileName), fileName);
+}
+
+/*
+ * Function name: Module_get_fileName
+ * Description: Get the filename of the module.
+ * Arguments: m - pointer to Module structure
+ * Returns: The filename of the module.
+ */
+
+char*
+Module_get_fileName(Module* m)
+{
+  if (m == NULL) {
+    return NULL;
+  }
+  return m->fileName;
+}
+
+/*
+ * Function name: Module_loadModule
+ * Description: Load the module into the memory.
+ * Arguments: m - pointer to Module structure
+ * Returns: 0 - successful/filename not set
+ *          1/2 - some errors occured.
+ */
+
+int
+Module_loadModule(Module* m)
+{
+  if (Module_get_fileName(m)) {
+    m->handle = dlopen(Module_get_fileName(m), RTLD_NOW);
+    if (!m->handle) {
+      return 1;
+    }
+    dlerror();
+    *(void**) (&m->info) = dlsym(m->handle, "info");
+    *(void**) (&m->allow) = dlsym(m->handle, "allow");
+    *(void**) (&m->filter) = dlsym(m->handle, "filter");
+    if (dlerror() != NULL) {
+      return 2;
+    }
+    m->loaded = 1;
+  }	
+  return 0;
+}
+
+/*
+ * Function name: Module_releaseModule
+ * Description: Unload the module from the memory.
+ * Arguments: m - pointer to Module structure
+ * Returns: 0 - successful/module was not loaded
+ *          !0 - some errors occured.
+ */
+
+int
+Module_releaseModule(Module* m)
+{
+	if (Module_isModuleLoaded(m)) {
+		m->loaded = 0;
+		m->info = NULL;
+		m->allow = NULL;
+		m->filter = NULL;
+	return dlclose(m->handle);
+	}
+	return 0;
+}
+
+/*
+ * Function name: Module_isModuleLoaded
+ * Description: Check if the module is loaded into the memory.
+ * Arguments: m - pointer to Module structure
+ * Returns: 0 - module is not loaded
+ *          1 - module is loaded.
+ */
+
+int
+Module_isModuleLoaded(Module* m)
+{
+  if (m == NULL) {
+    return 0;
+  }
+	return m->loaded;
+}
+
+/*
+ * Function name: Module_function_info
+ * Description: Exec the info function of the module.
+ * Arguments: m - pointer to Module structure
+ * Returns: Result of the info function of the module.
+ */
+
+char*
+Module_function_info(Module* m)
+{
+  if (!Module_isModuleLoaded(m)) {
+    return NULL;
+  }
+  return m->info();
+}
+
+/*
+ * Function name: Module_function_allow
+ * Description: Exec the allow function of the module.
+ * Arguments: m - pointer to Module structure
+ * Returns: Result of the allow function of the module.
+ */
+
+int
+Module_function_allow(Module* m, char* host, char* port)
+{
+  if (!Module_isModuleLoaded(m)) {
+    return 0;
+  }
+  return m->allow(host, port);
+}
+
+/*
+ * Function name: Module_function_filter
+ * Description: Exec the filter function of the module.
+ * Arguments: m - pointer to Module structure
+ * Returns: Result of the filter function of the module.
+ */
+
+int
+Module_function_filter(Module* m, char* host, unsigned char* message, int* messageLength)
+{
+  if (!Module_isModuleLoaded(m)) {
+    return 0;
+  }
+  return m->filter(host, message, messageLength);
+}
+
+#endif