From c5c21813d0d3e12fb8b6abda5cef20090a3ee3a1 Mon Sep 17 00:00:00 2001
From: Piotr Duszynski <regis44@gmail.com>
Date: Sat, 3 May 2014 13:22:25 +0200
Subject: [PATCH] add. fixed.

---
 DOCS                  | 11 +++++++----
 src/Configuration.cpp |  7 ++++---
 src/connection.cpp    |  4 +++-
 src/connection.h      |  2 +-
 4 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/DOCS b/DOCS
index 4f5cc81..994c71d 100644
--- a/DOCS
+++ b/DOCS
@@ -4,9 +4,9 @@ Portspoof documentation notes
 
 1. Compile the software:
 
-	$./configure
+	$ ./configure (use )
 	$ make
-	$ sudo make install
+	$ make install
 
 
 2. Configure your firewall rules:
@@ -16,14 +16,17 @@ Portspoof documentation notes
 	Configure iptables:
 
 	# iptables -t nat -A PREROUTING -i eth0 -p tcp -m tcp --dport 1:65535 -j REDIRECT --to-ports 4444
-	# iptables-restore < iptables-config (system_files directory) # remember to change the interface name!
+	# iptables-restore < iptables-config (system_files directory) # Note: remember to change the interface name to yours!
 
-	Run Portspoof with service emulation:
+	Run Portspoof with service emulation in daemon mode:
 	$ portspoof -c /etc/portspoof.conf -s /etc/portspoof_signatures -D
 
+	This mode will generate and feed port scanners with bogus service signatures.
+
 	Run Portspoof in daemon "open port" mode:
 	$  portspoof -D
 
+	This mode will just return OPEN state for every connection attempt.
 
 3. Add portspoof invocation to your system's startup scripts.
 
diff --git a/src/Configuration.cpp b/src/Configuration.cpp
index f1b676f..9997f32 100644
--- a/src/Configuration.cpp
+++ b/src/Configuration.cpp
@@ -297,7 +297,7 @@ bool Configuration::processSignatureFile()
 	
 				  // set  random mapping
 				  srand((unsigned)time(0)); 	
-				  for(int i=0;i<MAX_PORTS;i++)
+				  for(int i=0;i<=MAX_PORTS;i++)
 					{
 					portsignatureemap.insert(make_pair(i,process_signature(rawsignatures[rand()%rawsignatures.size()])));
 					//portsignatureemap.insert(make_pair(i,process_signature(rawsignatures[i%rawsignatures.size()])));
@@ -313,8 +313,9 @@ bool Configuration::processSignatureFile()
 bool Configuration::generateBufferSize()
 {
 	srand((unsigned)time(0)); 	
-	for(int i=0;i<MAX_PORTS;i++)
-	portbuffermap.insert(make_pair(i,rand()%MAX_BUFFER_SIZE))
+	for(int i=0;i<=MAX_PORTS;i++)
+	portbuffermap.insert(make_pair(i,rand()%MAX_BUFFER_SIZE));
+	
 	return 0;
 }
 
diff --git a/src/connection.cpp b/src/connection.cpp
index 44f71a0..ccf9a28 100644
--- a/src/connection.cpp
+++ b/src/connection.cpp
@@ -116,7 +116,7 @@ void* process_connection(void *arg)
 				else
 				{
 					buffer_size=configuration->mapPort2Buffer(original_port);
-					n = recv(threads[tid].clients[i], buffer,buffer_size, 0);	
+					n = recv(threads[tid].clients[i],buffer,buffer_size, 0);	
 				}
 			 		
 			
@@ -149,6 +149,7 @@ void* process_connection(void *arg)
 					if(configuration->getConfigValue(OPT_DEBUG))
 					fprintf(stdout,"Thread nr. %d : client %d closed connection\n",tid, threads[tid].clients[i]);
 				
+					//shutdown(threads[tid].clients[i],SHUT_WR);
 	        		close(threads[tid].clients[i]);
 				
 					pthread_mutex_lock(&new_connection_mutex);
@@ -266,6 +267,7 @@ void* process_connection(void *arg)
 				if(send(threads[tid].clients[i], buffertosend, buffertosendsize,0)==-1)
 					perror("Send to socket failed");
 				
+				
 				close(threads[tid].clients[i]);
 				
 				free(buffertosend);
diff --git a/src/connection.h b/src/connection.h
index 860f7c1..3050465 100644
--- a/src/connection.h
+++ b/src/connection.h
@@ -67,7 +67,7 @@
 
 #define SO_ORIGINAL_DST 80
 #define TCPSTATES
-#define MAX_BUFFER_SIZE 1000
+#define MAX_BUFFER_SIZE 65536
 
 extern pthread_cond_t new_connection_cond;
 extern pthread_mutex_t new_connection_mutex;