From 1adde65db245ec1fca752cfee4c198badf40fb5f Mon Sep 17 00:00:00 2001
From: Jakub Sławiński
Date: Tue, 15 Mar 2005 01:22:55 +0100
Subject: v0.6

  - Fixed: default password incompatibilities from config file
  - Added: "client's id" option
  - Lightly Modified: verbose mode
  - Added: temporary listen ports
  - Fixed: bug in printing "client's id"
  - Added: 'dateformat' option to set format of the date in the logs
  - Modified: command line option and config file behaviour
  - Added: logging to a socket
  - Fixed: parsing config file
  - Fixed: major bug in packet buffering
  - Added: several clients-users in one realm
  - Modified: default hostname used by afserver
  - Modified: server listening behaviour (for clients)
  - Fixed: bug in checking options values
  - Modified: verbose mode
  - Modified: client initial connection to server
  - Added: connection time / uptime statistics
  - Added: first version of remote administration (statistics only)
  - Fixed: major bug in remove_client routine
  - Added: 'raclients' option
  - Added: use of automake/autoconf
  - Added: creating ~/.apf directory
  - Modified: the way of creating/managing keys/certificates
  - Added: 'dnslookups' option
  - Modified: usage functions
  - Fixed: no handling of missing 'listen' option after 'newrealm' in config file
  - Added: 'quit' command in remote administration mode
  - Modified: logging error messages during initialization
  - Modified: 'newrealm' changed to 'realm' in config file
  - Added: realm names
  - Modified: connection time / uptime
  - Added: client names / unique numbers
  - Added: user unique numbers
  - Fixed: segmentation fault after 'quit' command
---
 modules/Makefile.am |  3 ++
 modules/exmodule.c  | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 85 insertions(+)
 create mode 100644 modules/Makefile.am
 create mode 100644 modules/exmodule.c

(limited to 'modules')

diff --git a/modules/Makefile.am b/modules/Makefile.am
new file mode 100644
index 0000000..7e80e7c
--- /dev/null
+++ b/modules/Makefile.am
@@ -0,0 +1,3 @@
+noinst_PROGRAMS = exmodule
+exmodule_SOURCES = exmodule.c
+exmodule_LDFLAGS = -fPIC -shared
diff --git a/modules/exmodule.c b/modules/exmodule.c
new file mode 100644
index 0000000..08eb842
--- /dev/null
+++ b/modules/exmodule.c
@@ -0,0 +1,82 @@
+/*
+ * 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.
+ *
+ */
+
+/* This example module scan the message for specified string and perform
+ * appropriate action
+ */
+
+/* info
+ * return values:
+ * info about module
+ */
+
+char*
+info(void)
+{
+	return "Module tester v0.1";
+}
+
+/* allow
+ * return values:
+ * 0 - allow to connect
+ * !=0 - drop the connection
+ */
+
+int
+allow(char* host, char* port)
+{
+	return 0; /* allow to connect */
+}
+
+/* filter
+ * return values:
+ * 0 - allow to transfer
+ * 1 - drop the packet
+ * 2 - drop the connection
+ * 3 - release the module
+ * 4 - drop the packet and release the module
+ * 5 - drop the connection and release the module
+ */
+
+int
+filter(char* host, unsigned char* message, int* length)
+{
+  int i;
+  for (i = 1; i < *length; ++i) {
+    if (message[i-1] == 'M') {
+      if (message[i] == '1') {
+        return 1; /* ignored */
+      }
+      if (message[i] == '2') {
+        return 2; /* dropped */
+      }
+      if (message[i] == '3') {
+        return 3; /* release */
+      }
+      if (message[i] == '4') {
+        return 4; /* ignored + release */
+      }
+      if (message[i] == '5') {
+        return 5; /* dropped + release */
+      }
+    }
+  }
+  return 0; /* allow to transfer */
+}
-- 
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