From 8a5f0141a346ad4b94d09313a2ec9a52efa7cf59 Mon Sep 17 00:00:00 2001
From: Jakub Sławiński
Date: Tue, 12 Oct 2004 00:07:33 +0200
Subject: v0.5.5

  - Added: rsa key generation by afclient
  - Modified: afclient is now generating keys by default
  - Fixed: major bug in packet buffering
  - Added: 'timeout', 'clients' and 'usrpcli' options
  - Fixed: parsing 'users' option
  - Modified: module management routines
  - Added: module support for service's packet filtering
  - Fixed: few minor bugs in closing connection routines
  - Added: possibility to use several clients per realm
  - Modified: there is no need for 'users', 'timeout', 'clients',
              'proto', 'usrpcli' and 'climode' options in config
              file when default values are acceptable
---
 exmodule.c | 37 ++++++++++++++++++++++++++-----------
 1 file changed, 26 insertions(+), 11 deletions(-)

(limited to 'exmodule.c')

diff --git a/exmodule.c b/exmodule.c
index 133609c..09141c4 100644
--- a/exmodule.c
+++ b/exmodule.c
@@ -18,10 +18,8 @@
  *
  */
 
-/* This example module put IP of the connected user into a body of the message */
-#include <string.h>
-/* There is no required headers for module to work.
- * We just need string.h for memcpy and strlen functions.
+/* This example module scan the message for specified string and perform
+ * appropriate action
  */
 
 /* info
@@ -32,7 +30,7 @@
 char*
 info(void)
 {
-	return "An example module";
+	return "Module tester v0.1";
 }
 
 /* allow
@@ -52,15 +50,32 @@ allow(char* host, char* port)
  * 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 n;
-	n = strlen(host);
-	message[*length] = '|';
-	memcpy(&message[*length+1], host, n);
-	*length += n+1;
-	return 0; /* allow to transfer */
+  int i;
+    for (i = 0; i < *length; ++i) {
+      if ((message[i] == 'M') && (message[i+1] == '1')) {
+        return 1; /* ignored */
+      }
+      if ((message[i] == 'M') && (message[i+1] == '2')) {
+        return 2; /* dropped */
+      }
+      if ((message[i] == 'M') && (message[i+1] == '3')) {
+        return 3; /* release */
+      }
+      if ((message[i] == 'M') && (message[i+1] == '4')) {
+        return 4; /* ignored + release */
+      }
+      if ((message[i] == 'M') && (message[i+1] == '5')) {
+        return 5; /* dropped + release */
+      }
+    }
+  return 0; /* allow to transfer */
+
 }
-- 
cgit v1.1