v0.5.2

	- Added: types of realm
	- Added: logging to a file
	- Fixed: major bug in communication between server and client
	- Fixed: deformed packets in udp protocol forwarding

04.12.2003 (v0.5.1):
	- Fixed: Some data transfer problems
	- Added: udp protocol tunneling/forwarding
	- Fixed: bug in parsing the config file
	- Improved: making connection between server and client
	- Lightly modified: verbose mode (added double v mode)

23.11.2003 (v0.5):
	- This is the first release
	- There are no known major bugs

14 files changed, 2425 insertions, 0 deletions

diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..d60c31a
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,340 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+     59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
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+if you want it, that you can change the software or use pieces of it
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+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
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+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
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+
+  Also, for each author's protection and ours, we want to make certain
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+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+		    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
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+that is to say, a work containing the Program or a portion of it,
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+language.  (Hereinafter, translation is included without limitation in
+the term "modification".)  Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
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+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
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+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
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+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
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+
+    b) You must cause any work that you distribute or publish, that in
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+
+    c) If the modified program normally reads commands interactively
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+    a warranty) and that users may redistribute the program under
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+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
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+Thus, it is not the intent of this section to claim rights or contest
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+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
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+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
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+
+  4. You may not copy, modify, sublicense, or distribute the Program
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+  5. You are not required to accept this License, since you have not
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+the Program or works based on it.
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+  6. Each time you redistribute the Program (or any work based on the
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+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
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+license would not permit royalty-free redistribution of the Program by
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+If any portion of this section is held invalid or unenforceable under
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+
+It is not the purpose of this section to induce you to infringe any
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+
+This section is intended to make thoroughly clear what is believed to
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+
+  8. If the distribution and/or use of the Program is restricted in
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+  9. The Free Software Foundation may publish revised and/or new versions
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+
+Each version is given a distinguishing version number.  If the Program
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+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
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+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
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+
+			    NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
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+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    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
+
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
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+
+    Gnomovision version 69, Copyright (C) year  name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Library General
+Public License instead of this License.
diff --git a/Changelog b/Changelog
new file mode 100644
index 0000000..4c3dc15
--- /dev/null
+++ b/Changelog
@@ -0,0 +1,16 @@
+06.12.2003 (v0.5.2):
+	- Added: types of realm
+	- Added: logging to a file
+	- Fixed: major bug in communication between server and client
+	- Fixed: deformed packets in udp protocol forwarding
+	
+04.12.2003 (v0.5.1):
+	- Fixed: Some data transfer problems
+	- Added: udp protocol tunneling/forwarding
+	- Fixed: bug in parsing the config file
+	- Improved: making connection between server and client
+	- Lightly modified: verbose mode (added double v mode)
+
+23.11.2003 (v0.5):
+	- This is the first release
+	- There are no known major bugs
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..21e5bb4
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,50 @@
+CC=gcc
+CFLAGS=-pedantic -Wall -O2 
+programs=afserver afclient
+security=server.rsa client.rsa cacert.pem
+
+all: compi $(programs) ok1 secure
+
+afserver: afserver.c network.o file.o stats.o
+	$(CC) $(CFLAGS) -lssl afserver.c network.o file.o stats.o -o afserver
+
+afclient: afclient.c network.o stats.o
+	$(CC) $(CFLAGS) -lssl afclient.c network.o stats.o -o afclient
+
+network.o: network.c network.h
+	$(CC) $(CFLAGS) -c network.c
+
+file.o: file.c file.h
+	$(CC) $(CFLAGS) -c file.c
+
+stats.o: stats.c stats.h
+	$(CC) $(CFLAGS) -c stats.c
+
+secure: crea $(security) ok2
+
+server.rsa: 
+	@openssl genrsa -out server.rsa 2048
+	
+client.rsa: 
+	@openssl genrsa -out client.rsa 2048
+	
+cacert.pem:
+	@echo -e "\n Generating certificate...\n"
+	@echo -e "pl\nWar-Maz\nOlsztyn\nSHEG\nUtils productions\njeremian\njeremian@poczta.fm" | openssl req -new -x509 -key server.rsa -out cacert.pem -days 1095 > /dev/null 2>&1
+
+compi:
+	@echo -e "\nCompiling program...\n"
+
+crea:
+	@echo -e "\nCreating necessary files...\n"
+
+ok1:
+	@echo "  OK!"
+
+ok2:
+	@echo "  OK!"
+
+.PHONY: clean
+
+clean:
+	rm -rf a.out *~ *.o $(programs) $(security)
diff --git a/README b/README
new file mode 100644
index 0000000..7abf822
--- /dev/null
+++ b/README
@@ -0,0 +1,89 @@
+AF - Active Port Forwarder v0.5.2 - README
+Copyright (C) 2003 jeremian - jeremian@poczta.fm
+===================
+
+================================================================================
+
+GRAY-WORLD.NET / Active Port Forwarder
+==========================
+
+  The Active Port Forwarder program is part of the Gray-World.net projects.
+
+  Our Gray-World Team presents on the http://gray-world.net website the projects
+  and publications we are working on which  are  related  to  the  NACS (Network
+  Access Control System)  bypassing  research  field  and  to  the  computer and
+  network security topics.
+
+================================================================================
+
+
+Active port forwarder is a software for secure port forwarding.
+It uses ssl for increasing security of communication between server and client.
+
+Af is dedicated for people, who don't have external ip number and want to
+make some services available across the net.
+
+
+EXAMPLE 1:
+
+The use of it is extremely simple. Let's suppose we want to create http server on
+our computer and we are behind masquerade or firewall:
+
+1) We have to find some machine on the net with external ip and shell account.
+
+2) Use make to compile everything on that machine. (you can freely remove afclient
+   and client.rsa files)
+
+3) You can edit config file or just type from the console: (to use config type -f <cfgfile>)
+	$ ./afserver
+   This will work, if you want to use default values:
+   - hostname will be taken from hostname function (it would be ideally, if there is
+     appropriate registration in /etc/hosts)
+   - server will be listening for users on port 50127
+   - server will be listening for client on port 50126
+   - server will be for maximum 5 users
+   - server will forward tcp packets
+   - there will be no logging and no verbose messages
+
+4) We use make on our machine (we can delete everything apart afclient and client.rsa)
+
+5) We are typing from the console:
+	$ ./afclient -n <name of the server> -p 80
+   Where <name of the server> is a string like : 'bastion.univ.gda.pl' or '153.19.7.200'
+
+6) We can now enter with webbrowser to : <name of the server>:50127 and we will enter to our
+   computer in the fact.
+
+EXAMPLE 2:
+
+Let's see how to use af to forward udp packets. Suppose we want to create a game server
+on our computer (udp port 27960 on our machine):
+
+1) - 4) is the same like in example 1. (but we add option: -t udp)
+
+5) We are typing from the console:
+	$ ./afclient -u -n <name of the server> -p 27960
+   Where <name of the server> is a name (or ip) of a host where our server is running.
+
+6) Connecting to our game is more complicated. User must use afclient to do this.
+   He has to specify server he is connecting to and port which his program will be listening on:
+        $ ./afclient -U -d <hostname> -p <portnum> -n <name of the server> -m <server port>
+   Where <hostname> is name of user machine (who wants to connect to our game). <portnum>
+   is a port he will be connecting to. <name of the server> is a name of a host where our server
+   is running. <server port> is a port on which server is listening for users.
+   In order to connect to our game, user have to connect to <hostname>:<portnum>.
+
+
+Active port forwarder is still under development, so please sent me any comments, bugs notices
+and suggestions about it to jeremian@poczta.fm
+
+
+And thanks for using this software!
+
+LICENSE
+-------
+
+  Active Port Forwarder is distributed under the terms of the  GNU  General  Public  License
+  v2.0 and is copyright (c) 2003 jeremian <jeremian [at] poczta.fm>.
+  See the file COPYING for details.
+
diff --git a/activefor.h b/activefor.h
new file mode 100644
index 0000000..777f54f
--- /dev/null
+++ b/activefor.h
@@ -0,0 +1,41 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003 jeremian <jeremian@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.
+ *
+ */
+
+#ifndef _JS_ACTIVEFOR_H
+#define _JS_ACTIVEFOR_H
+
+#define AF_S_CONCLOSED	1
+#define	AF_S_CONOPEN	2
+#define AF_S_MESSAGE	3
+#define AF_S_LOGIN	8
+
+#define S_STATE_CLEAR	0
+#define S_STATE_RUNNING	4
+#define S_STATE_CLOSING	5
+#define	S_STATE_OPENING	6
+#define S_STATE_OPEN	7
+
+typedef struct {
+	char state;
+	int connfd;
+} ConnectuserT;
+
+#endif
+
diff --git a/afclient.c b/afclient.c
new file mode 100644
index 0000000..e4d7c05
--- /dev/null
+++ b/afclient.c
@@ -0,0 +1,537 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003 jeremian <jeremian@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 "activefor.h"
+#include "network.h"
+#include "stats.h"
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+#include <linux/sockios.h>
+#include <signal.h>
+
+static void usage(char* info);
+
+int
+main(int argc, char **argv)
+{
+	int	masterfd, i, n, numofcon, length, buflength, notsent, temp2; /* !!! */
+	ConnectuserT* contable = NULL;
+	unsigned char				buff[8096];
+	char hostname[100];
+	struct timeval tv;
+	int			maxfdp1, usernum, usercon, merror;
+	socklen_t		len, addrlen;
+	struct sockaddr* cliaddr;
+	fd_set		rset, allset;
+	char verbose = 0;
+	char logging = 0;
+	char* name = NULL;
+	char* manage = NULL;
+	char* desnam = NULL;
+	char* despor = NULL;
+	char* keys = NULL;
+	char* logfname = NULL;
+	char udp = 0;
+	char reverse = 0;
+
+	SSL_METHOD* method;
+	SSL_CTX* ctx;
+	SSL* ssl;
+
+	signal(SIGPIPE, SIG_IGN);
+
+	while ((n = getopt(argc, argv, "huUn:m:d:p:vk:O:o:")) != -1) {
+		switch (n) {
+		  case 'h': {
+				    usage("Active port forwarder (client) v0.5.2");
+					  break;
+				  }
+		  case 'n': {
+				    name = optarg;
+				    break;
+			    }
+		  case 'm': {
+				    manage = optarg;
+				    break;
+			    }
+		  case 'd': {
+				    desnam = optarg;
+				    break;
+			    }
+		  case 'p': {
+				    despor = optarg;
+				    break;
+			    }
+		  case 'v': {
+				    ++verbose;
+				    break;
+			    }
+		  case 'u': {
+				    udp = 1;
+				    break;
+			    }
+		  case 'U': {
+				    reverse = 1;
+				    break;
+			    }
+		  case 'k': {
+				    keys = optarg;
+				    break;
+			    }
+		  case 'O': {
+				    logfname = optarg;
+				    logging = 2;
+				    break;
+			    }
+		  case 'o': {
+				    logfname = optarg;
+				    logging = 1;
+				    break;
+			    }
+		  case '?': {
+				    usage("");
+				    break;
+			    }
+		}
+	}
+
+	if (name == NULL) {
+		usage("Name of the server is required");
+	}
+	if (manage == NULL) {
+		manage = "50126";
+		if (reverse)
+			usage("Port on the server is required in reverse mode");
+	}
+	if (desnam == NULL) {
+		gethostname(hostname, 100);
+		desnam = hostname;
+	}
+	if (despor == NULL) {
+		usage("Destination port number is required");
+	}
+	if (keys == NULL) {
+		keys = "client.rsa";
+	}
+
+
+	masterfd = ip_connect(name, manage, "tcp");
+
+	if (!reverse) {
+	SSL_library_init();
+	method = SSLv3_client_method();
+	ctx = SSL_CTX_new(method);
+	if (SSL_CTX_set_cipher_list(ctx, "ALL:@STRENGTH") == 0) {
+		printf("Setting cipher list failed... exiting\n");
+		exit(1);
+	}
+	if (SSL_CTX_use_RSAPrivateKey_file(ctx, keys, SSL_FILETYPE_PEM) != 1) {
+		printf("Setting rsa key failed (%s)... exiting\n", keys);
+		exit(1);
+	}
+	ssl = SSL_new(ctx);
+	if (SSL_set_fd(ssl, masterfd) != 1) {
+		printf("Problem with initializing ssl... exiting\n");
+		exit(1);
+	}
+	if (verbose>1)
+		printf("Trying SSL_connect\n");
+	if ((n = SSL_connect(ssl)) == 1) {
+		if (verbose) {
+			printf("SSL_connect successfull\n");
+		}
+	}
+	else {
+		printf("SSL_connect has failed (%d)... exiting\n", n);
+		exit(1);
+	}
+
+	
+	buff[0] = AF_S_LOGIN;
+	buff[1] = 1;
+	buff[2] = 3;
+	buff[3] = 6;
+	buff[4] = 2;
+	SSL_write(ssl, buff, 5);
+	buff[0] = 0;
+	SSL_read(ssl, buff, 5);
+	
+	if ( buff[0] != AF_S_LOGIN ) {
+		printf("Incompatible server type or server full\n");
+		exit(1);
+	}
+
+	usernum = buff[1];
+	usernum = usernum << 8;
+	usernum += buff[2];
+
+	} /* !reverse */
+	else {
+		usernum = 1;
+		ssl = NULL;
+	}
+
+	contable = calloc( usernum, sizeof(ConnectuserT));
+	if (contable == NULL) {
+		printf("Calloc error - unable to succesfully comunicate with server\n");
+		exit(1);
+	}
+	
+	len = 4;
+	if (getsockopt(masterfd, SOL_SOCKET, SO_SNDBUF, &buflength, &len) == -1) {
+		printf("Can't get socket send buffor size - exiting...\n");
+		exit(1);
+	}
+
+	if (loginit(verbose, logging, logfname)) {
+		printf("Can't open file to log to... exiting\n");
+		exit(1);
+	}
+	
+	if (!verbose)
+		daemon(0, 0);
+	
+	FD_ZERO(&allset);
+	
+	FD_SET(masterfd, &allset);
+	maxfdp1 = masterfd + 1;
+
+	if (reverse) {
+		contable[0].connfd=ip_listen(desnam, despor, &addrlen, "udp");
+		cliaddr = malloc(addrlen);
+		maxfdp1 = (maxfdp1>contable[0].connfd+1) ? maxfdp1 : contable[0].connfd+1;
+		FD_SET(contable[0].connfd, &allset);
+		aflog(1, "^^Started in udp reverse mode^^");
+		for ( ; ; ) {
+			len = 4;
+			if (getsockopt(masterfd, SOL_SOCKET, SO_SNDBUF, &temp2, &len) != -1) {
+				if (temp2 != buflength) {
+					buflength = temp2;
+					aflog(2, "Send buffor size changed...");
+				}
+			}
+			len = addrlen;
+			rset = allset;
+			aflog(2, ">select");
+			select(maxfdp1, &rset, NULL, NULL, NULL);
+			aflog(2, ">>after select...");
+			if (FD_ISSET(contable[0].connfd, &rset)) {
+				n = recvfrom(contable[0].connfd, &buff[5], 8091, 0, cliaddr, &len);
+#ifdef SIOCOUTQ
+				if (ioctl(masterfd, SIOCOUTQ, &notsent)) {
+					aflog(0, "ioctl error -> exiting...");
+					exit(1);
+				}
+				if (buflength <= notsent + n + 5) { /* when we can't do this */
+					aflog(2, "drop: size:%d, buf:%d, w:%d/%d",
+								n, buflength, notsent, buflength);
+#else
+				if (ioctl(masterfd, TIOCOUTQ, &notsent)) {
+					aflog(0, "ioctl error -> exiting...");
+					exit(1);
+				}
+				if (notsent <= n + 5) { /* when we can't do this */
+					aflog(2, "drop: size:%d, buf:%d, w:%d/%d",
+								n, buflength, buflength - notsent, buflength);
+#endif
+				}
+				else {
+					if (n > 0) {
+							aflog(2, "Sending %d bytes to service (w:%d/%d)",
+									n,
+#ifdef SIOCOUTQ
+									notsent
+#else
+									buflength - notsent
+#endif
+									, buflength);
+						buff[0] = AF_S_MESSAGE;
+						buff[1] = AF_S_LOGIN;
+						buff[2] = AF_S_MESSAGE;
+						buff[3] = n >> 8;
+						buff[4] = n;
+						writen(masterfd, buff, n + 5);
+					}
+				}
+			}
+			if (FD_ISSET(masterfd, &rset)) {
+				n = readn(masterfd, buff, 5);
+				if (n == 5) {
+					if ((buff[0] != AF_S_MESSAGE) || (buff[1] != AF_S_LOGIN)
+							|| (buff[2] != AF_S_MESSAGE)) {
+				aflog(0, "Incompatible server type (not udp?) or data corruption -> exiting...");
+					exit(1);
+					}
+					length = buff[3];
+					length = length << 8;
+					length += buff[4]; /* this is length of message */
+					n = readn(masterfd, buff, length);
+				}
+				else {
+					n = 0;
+				}
+				if (n == 0) { /* server quits -> we do the same... */
+					gettimeofday(&tv, 0);
+					aflog(0, "premature quit of the server -> exiting...");
+					exit(1);
+				}
+				aflog(2, "Sending %d bytes to user", n);
+				sendto(contable[0].connfd, buff, n, 0, cliaddr, addrlen);
+			}
+		}
+		exit(0); /* we shouldn't get here */
+	}
+	
+	aflog(1, "^^Started in normal mode^^ (%s)", (udp)?"udp":"tcp");
+	
+	for ( ; ; ) {
+		rset = allset;
+			aflog(2, ">select");
+		select(maxfdp1, &rset, NULL, NULL, NULL);
+			aflog(2, ">>after select...");
+
+		for (i = 0; i < usernum; ++i) {
+			if (contable[i].state == S_STATE_OPEN)
+			   if (FD_ISSET(contable[i].connfd, &rset)) {	
+				aflog(2, "FD_ISSET(contable[%d].connfd)", i);
+				n = read(contable[i].connfd, &buff[5], 8091);
+				if (n == -1) {
+					aflog(0, "FATAL ERROR! (%d) while reading from user", n);
+					n = 0;
+				}
+#ifdef SIOCOUTQ
+				if (ioctl(masterfd, SIOCOUTQ, &notsent)) {
+					aflog(0, "ioctl error -> exiting...");
+					exit(1);
+				}
+				if (udp) {
+					len = 4;
+					if (getsockopt(masterfd, SOL_SOCKET, SO_SNDBUF, &temp2, &len) != -1) {
+						if (temp2 != buflength) {
+							buflength = temp2;
+							aflog(2, "Send buffor size changed...");
+						}
+					}
+					if (buflength <= notsent + n + 5) { /* when we can't send this */
+						aflog(2, "drop: size:%d, buf:%d, w:%d/%d",
+								n+5, buflength, notsent, buflength);
+#else
+				if (ioctl(masterfd, TIOCOUTQ, &notsent)) {
+					aflog(0, "ioctl error -> exiting...");
+					exit(1);
+				}
+				if (udp) {
+					len = 4;
+					if (getsockopt(masterfd, SOL_SOCKET, SO_SNDBUF, &temp2, &len) != -1) {
+						if (temp2 != buflength) {
+							buflength = temp2;
+							aflog(2, "Send buffor size changed...");
+						}
+					}
+					if (notsent <= n + 5) { /* when we can't send this */
+						aflog(2, "drop: size:%d, buf:%d, w:%d/%d",
+								n+5, buflength, buflength-notsent, buflength);
+#endif
+						continue; /* drop this packet */
+					}
+				}
+				if (n) {
+					buff[0] = AF_S_MESSAGE; /* sending message */
+					buff[1] = i >> 8;	/* high bits of user number */
+					buff[2] = i;		/* low bits of user number */
+					buff[3] = n >> 8;	/* high bits of message length */
+					buff[4] = n;		/* low bits of message length */
+					aflog(2, "Sending %d bytes to user (%d) [%d/%d]",
+								n, i,
+#ifdef SIOCOUTQ
+									notsent
+#else
+									buflength - notsent
+#endif
+									, buflength);
+					SSL_writen(ssl, buff, n+5);
+				}
+				else if (!udp) {
+					close(contable[i].connfd);
+					FD_CLR(contable[i].connfd, &allset);
+					contable[i].state = S_STATE_CLOSING;
+					buff[0] = AF_S_CONCLOSED; /* closing connection */
+					buff[1] = i >> 8;	/* high bits of user number */
+					buff[2] = i;		/* low bits of user number */
+					SSL_writen(ssl, buff, 5);
+				}
+			}
+		}
+
+		if (FD_ISSET(masterfd, &rset)) {
+			aflog(2, "FD_ISSET(masterfd)");
+			n = SSL_readn(ssl, buff, 5);
+			if (n != 5) {
+				aflog(2, "FATAL ERROR! (%d)", n);
+				if (n == -1) {
+					merror = SSL_get_error(ssl, n);
+					switch (merror) {
+                                                        case SSL_ERROR_NONE : {
+										      aflog(2, "FE: none");
+                                                                                      break;
+                                                                              }
+                                                        case SSL_ERROR_ZERO_RETURN : {
+										      aflog(2, "FE: zero");
+                                                                                      break;
+                                                                              }
+                                                        case SSL_ERROR_WANT_READ : {
+										      aflog(2, "FE: w_read");
+                                                                                      break;
+                                                                              }
+                                                        case SSL_ERROR_WANT_WRITE : {
+										      aflog(2, "FE: w_write");
+                                                                                      break;
+                                                                              }
+                                                        case SSL_ERROR_WANT_CONNECT : {
+										     aflog(2, "FE: w_connect");
+                                                                                      break;
+                                                                              }
+                                                        case SSL_ERROR_WANT_X509_LOOKUP : {
+									       aflog(2, "FE: w_x509_lookup");
+                                                                                      break;
+                                                                              }
+                                                        case SSL_ERROR_SYSCALL : {
+										      aflog(2, "FE: syscall");
+                                                                                      break;
+                                                                              }
+                                                        case SSL_ERROR_SSL : {
+                                                                              SSL_load_error_strings();
+								      aflog(2, "FE: ssl:%s",
+							      ERR_error_string(ERR_get_error(), (char*) buff));
+                                                                                      break;
+                                                                              }
+                                                }
+					continue; /* what happened? */
+				}
+				if (n != 0)
+					exit(1);
+			}
+			if (n == 0) { /* server quits -> we do the same... */
+				aflog(0, "premature quit of the server -> exiting...");
+				exit(1);
+			}
+			numofcon = buff[1];
+			numofcon = numofcon << 8;
+			numofcon += buff[2]; /* this is id of user */
+			length = buff[3];
+			length = length << 8;
+			length += buff[4]; /* this is length of message */
+			switch (buff[0]) {
+				case AF_S_CONCLOSED : {
+						      if ((numofcon>=0) && (numofcon<=usernum)) {
+							      usercon--;
+							      if (contable[numofcon].state == S_STATE_CLOSING) {
+								      contable[numofcon].state = S_STATE_CLEAR;
+							      }
+							      else if (contable[numofcon].state==S_STATE_OPEN) {
+					      close(contable[numofcon].connfd);
+					      FD_CLR(contable[numofcon].connfd, &allset);
+					      contable[numofcon].state = S_STATE_CLEAR;
+					      buff[0] = AF_S_CONCLOSED; /* closing connection */
+					      buff[1] = numofcon >> 8;		/* high bits of user number */
+					      buff[2] = numofcon;		/* low bits of user number */
+					      SSL_writen(ssl, buff, 5);
+							      }
+						      }
+						      break;
+						      }
+				case AF_S_CONOPEN : {
+						if ((numofcon>=0) && (numofcon<=usernum)) {
+							usercon++;
+ 						  if (contable[numofcon].state == S_STATE_CLEAR) {
+							  if (udp) {
+						    contable[numofcon].connfd=ip_connect(desnam,despor,"udp");
+							  }
+							  else {
+						    contable[numofcon].connfd=ip_connect(desnam,despor,"tcp");
+							  }
+						    FD_SET(contable[numofcon].connfd, &allset);
+						    maxfdp1 = (maxfdp1 > (contable[numofcon].connfd+1)) ? maxfdp1 : (contable[numofcon].connfd+1);
+					    buff[0] = AF_S_CONOPEN; /* closing connection */
+					    buff[1] = numofcon >> 8;		/* high bits of user number */
+					    buff[2] = numofcon; 		/* low bits of user number */
+					    SSL_writen(ssl, buff, 5);
+					    contable[numofcon].state = S_STATE_OPEN;
+						  }
+						}
+						break;
+						    }
+				case AF_S_MESSAGE : {
+					    aflog(2, "Received msg for con[%d], length=%d", numofcon, length);
+							    n = SSL_readn(ssl, buff, length);
+							    if (n != length) {
+								aflog(2, "n(%d)!=length(%d)", n, length);
+							      break;
+							    }
+						if ((numofcon>=0) && (numofcon<=usernum)) {
+							if (contable[numofcon].state == S_STATE_OPEN) {
+							aflog(2, "sent msg con[%d], length=%d", numofcon, n);
+							  if (writen(contable[numofcon].connfd, buff, n)==-1) {
+								  aflog(0, "Sending msg failed!");
+							  }
+							}
+						}
+							    break;
+						    }
+				default : { /* unrecognized type of message -> exiting... */
+					  aflog(0, "Server sents unrecognized message -> exiting...");
+					  exit(1);
+						  
+						  break;
+					  }
+			}
+		}
+	}
+}
+
+static void
+usage(char* info)
+{
+    printf("\n%s\n\n", info);
+    printf("  Options:\n");
+    printf("  -h                      - prints this help\n");
+    printf("  -n [server name]        - where the second part of the active\n");
+    printf("                            port forwarder is running (required)\n");
+    printf("  -m [portnum]            - the manage port number - server must\n");
+    printf("                            listening on it (default: 50126)\n");
+    printf("  -d [hostname]           - name of this host/remote host - the final\n");
+    printf("                            destination of the packets (default: name\n");
+    printf("                            returned by hostname function)\n");
+    printf("  -p [portnum]            - port we are forwarding connection to (required)\n");
+    printf("  -k [keyfile]            - name of the file with RSA key (default: client.rsa)\n");
+    printf("  -u                      - udp mode - client will use udp protocol to\n");
+    printf("                            communicate with hostname\n");
+    printf("  -U                      - reverse udp forwarding. Udp packets will be forwarded\n");
+    printf("                            from hostname:portnum (-p) to server name:portnum (-m)\n");
+    printf("  -O [logfile]            - logging everything to a logfile\n");
+    printf("  -o [logfile]            - logging some data to a logfile\n");
+    printf("  -v                      - to be verbose - program won't enter into\n");
+    printf("                            the daemon mode (use twice for greater effect)\n\n");
+    exit(0);
+}
+
diff --git a/afserver.c b/afserver.c
new file mode 100644
index 0000000..947d001
--- /dev/null
+++ b/afserver.c
@@ -0,0 +1,680 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003 jeremian <jeremian@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 "activefor.h"
+#include "network.h"
+#include "file.h"
+#include "stats.h"
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <string.h>
+
+static void usage(char* info);
+
+int
+main(int argc, char **argv)
+{
+	int	i, j, n, flags;
+	ConfigurationT config;
+	socklen_t	len;
+	unsigned char				buff[8096];
+	char	hostname[100];
+	int			maxfdp1;
+	fd_set		rset, allset;
+	int manconnecting, numofcon, length;
+	char* name    = NULL;
+	char* listen  = NULL;
+	char* manage  = NULL;
+	char* amount  = NULL;
+	char* filenam = NULL;
+	char* type    = NULL;
+	char* znak;
+	char verbose = 0;
+	RealmT* pointer = NULL;
+
+	SSL_METHOD* method;
+	SSL_CTX* ctx;
+	
+	signal(SIGPIPE, SIG_IGN);
+
+	config.certif = NULL;
+	config.keys = NULL;
+	config.size = 0;
+	config.realmtable = NULL;
+	config.logging = 0;
+	config.logfnam = NULL;
+
+	while ((n = getopt(argc, argv, "hn:l:m:vu:c:k:f:t:o:O:")) != -1) {
+		switch (n) {
+		  case 'h': {
+				    usage("Active port forwarder (server) v0.5.2");
+				  break;
+			    }
+		  case 'n': {
+				    name = optarg;
+				    break;
+			    }
+		  case 'l': {
+				    listen = optarg;
+				    break;
+			    }
+		  case 'm': {
+				    manage = optarg;
+				    break;
+			    }
+		  case 'v': {
+				    ++verbose;
+				    break;
+			    }
+		  case 'u': {
+				    amount = optarg;
+				    break;
+			    }
+		  case 'c': {
+				    config.certif = optarg;
+				    break;
+			    }
+		  case 'k': {
+				    config.keys = optarg;
+				    break;
+			    }
+		  case 't': {
+				    type = optarg;
+				    break;
+			    }
+		  case 'f': {
+				    filenam = optarg;
+				    break;
+			    }
+		  case 'O': {
+				    config.logfnam = optarg;
+				    config.logging = 2;
+				    break;
+			    }
+		  case 'o': {
+				    config.logfnam = optarg;
+				    config.logging = 1;
+				    break;
+			    }
+		  case '?': {
+				    usage("");
+				    break;
+			    }
+		}
+	}
+
+	if (filenam != NULL) {
+		config = parsefile(filenam, &n);
+		if (n) {
+			printf("parsing failed! line:%d\n", n);
+			exit(1);
+		}
+		else {
+			if (verbose) {
+				printf("cfg file OK! (readed realms: %d)\n", config.size);
+			}
+		}
+	}
+	else {
+		if (name == NULL) {
+			gethostname(hostname, 100);
+			name = hostname;
+		}
+		if (listen == NULL) {
+			listen = "50127";
+		}
+		if (manage == NULL) {
+			manage = "50126";
+		}
+		if (amount == NULL) {
+			amount = "5";
+		}
+		if (config.certif == NULL) {
+			config.certif = "cacert.pem";
+		}
+		if (config.keys == NULL) {
+			config.keys = "server.rsa";
+		}
+		if (type == NULL) {
+			type = "tcp";
+		}
+		config.size = 1;
+		config.realmtable = calloc(config.size, sizeof(RealmT));
+		config.realmtable[0].hostname = name;
+		config.realmtable[0].lisportnum = listen;
+		config.realmtable[0].manportnum = manage;
+		config.realmtable[0].users = amount;
+		if (strcmp(type, "tcp") == 0) {
+			config.realmtable[0].type = 1;
+		}
+		else if (strcmp(type, "udp") == 0) {
+			config.realmtable[0].type = 2;
+		}
+		else {
+			config.realmtable[0].type = 0;
+		}
+	}
+
+	maxfdp1 = manconnecting = 0;
+	
+	SSL_library_init();
+	method = SSLv3_server_method();
+	ctx = SSL_CTX_new(method);
+	if (SSL_CTX_set_cipher_list(ctx, "ALL:@STRENGTH") == 0) {
+		printf("Setting ciphers list failed... exiting\n");
+		exit(1);
+	}
+	if (SSL_CTX_use_RSAPrivateKey_file(ctx, config.keys, SSL_FILETYPE_PEM) != 1) {
+		printf("Setting rsa key failed (%s)... exiting\n", config.keys);
+		exit(1);
+	}
+	if (SSL_CTX_use_certificate_file(ctx, config.certif, SSL_FILETYPE_PEM) != 1) {
+		printf("Setting certificate failed (%s)... exiting\n", config.certif);
+		exit(1);
+	}
+
+	if (config.size == 0) {
+		printf("Working without sense is really without sense...\n");
+		exit(1);
+	}
+	
+	FD_ZERO(&allset);
+	
+	for (i = 0; i < config.size; ++i) {
+		if ((config.realmtable[i].hostname == NULL) ||
+			(config.realmtable[i].lisportnum == NULL) ||
+			(config.realmtable[i].manportnum == NULL) ||
+			(config.realmtable[i].users == NULL)) {
+			printf("Missing some of configurable variables... exiting\n");
+			printf("%d) %s, %s, %s, %s\n", i, config.realmtable[i].hostname,
+					config.realmtable[i].lisportnum,
+					config.realmtable[i].manportnum,
+					config.realmtable[i].users);
+			exit(1);
+		}
+		if (config.realmtable[i].type == 0) {
+			printf("Unrecognized type of the realm... exiting\n");
+			exit(1);
+		}
+		if ((( config.realmtable[i].usernum = strtol(config.realmtable[i].users, &znak, 10)) == LONG_MAX) || (config.realmtable[i].usernum == LONG_MIN)) {
+			printf("Invalid user amount - %s\n", config.realmtable[i].users);
+			exit(1);
+		}
+		if (((*(config.realmtable[i].users)) == '\0') || (*znak != '\0')) {
+			printf("Invalid user amount - %s\n", config.realmtable[i].users);
+			exit(1);
+		}
+	
+		config.realmtable[i].contable = calloc( config.realmtable[i].usernum, sizeof(ConnectuserT));
+		if (config.realmtable[i].contable == NULL) {
+			printf("Calloc error - try define smaller amount of users\n");
+			exit(1);
+		}
+	
+		config.realmtable[i].listenfd = ip_listen(config.realmtable[i].hostname,
+				config.realmtable[i].lisportnum, (&(config.realmtable[i].addrlen)), "tcp");
+		config.realmtable[i].managefd = ip_listen(config.realmtable[i].hostname,
+				config.realmtable[i].manportnum, (&(config.realmtable[i].addrlen)), "tcp");
+		config.realmtable[i].cliaddr = malloc(config.realmtable[i].addrlen);
+		
+		config.realmtable[i].ssl = SSL_new(ctx);
+		if (config.realmtable[i].ssl == NULL) {
+			printf("Creating of ssl object failed... exiting\n");
+			exit(1);
+		}
+		
+		FD_SET(config.realmtable[i].managefd, &allset);
+		maxfdp1 = (maxfdp1 > (config.realmtable[i].managefd+1)) ? maxfdp1 : (config.realmtable[i].managefd+1);
+		config.realmtable[i].usercon = 0;
+		config.realmtable[i].ready = 0;
+		config.realmtable[i].tv.tv_sec = 5;
+		config.realmtable[i].tv.tv_usec = 0;
+	}
+
+	if (loginit(verbose, config.logging, config.logfnam)) {
+		printf("Can't open file to log to... exiting\n");
+		exit(1);
+	}
+
+	if (!verbose)
+		daemon(0, 0);
+
+	aflog(1, "Server started");
+	
+	for ( ; ; ) {
+		rset = allset;
+			aflog(2, ">select, maxfdp1: %d", maxfdp1);
+		if (manconnecting) {
+			/* find out, in what realm client is trying to connect */
+			for (i = 0; i < config.size; ++i) {
+				if ((config.realmtable[i].ready == 1) || (config.realmtable[i].ready == 2)) {
+					break; /* so i points to first good realm */
+				}
+			}
+			if (select(maxfdp1, &rset, NULL, NULL, (&(config.realmtable[i].tv))) == 0) { 
+				  close (config.realmtable[i].commfd);
+				  FD_CLR(config.realmtable[i].commfd, &allset);
+				  FD_CLR(config.realmtable[i].listenfd, &allset);
+				  FD_SET(config.realmtable[i].managefd, &allset);
+				  config.realmtable[i].ready = 0;
+				  manconnecting--;
+				  aflog(1, "SSL_accept failed (timeout) in realm[%d]", i);
+			}
+		}
+		else {
+			select(maxfdp1, &rset, NULL, NULL, NULL);
+		}
+		aflog(2, "<<  >>after select...");
+
+	for (j = 0; j < config.size; ++j) {
+		pointer = (&(config.realmtable[j]));
+		for (i = 0; i <pointer->usernum; ++i) {
+		  if (pointer->contable[i].state == S_STATE_OPEN)
+			if (FD_ISSET(pointer->contable[i].connfd, &rset)) {
+				aflog(2, "FD_ISSET(realm[%d].contable[%d].connfd)", j, i);
+				if (pointer->type == 1) { /* forwarding tcp packets */
+				n = read(pointer->contable[i].connfd, &buff[5], 8091);
+				if (n == -1)
+					n = 0;
+				if (n) {
+					aflog(2, "message from realm[%d].con[%d], length=%d", j, i, n);
+					if ((buff[5] == AF_S_MESSAGE) &&
+							(buff[6] == AF_S_LOGIN) &&
+								(buff[7] == AF_S_MESSAGE)) {
+						aflog(2, "WARNING: got packet similiar to udp");
+					}
+					buff[0] = AF_S_MESSAGE; /* sending message */
+					buff[1] = i >> 8;	/* high bits of user number */
+					buff[2] = i;		/* low bits of user number */
+					buff[3] = n >> 8;	/* high bits of message length */
+					buff[4] = n;		/* low bits of message length */
+					SSL_writen(pointer->ssl, buff, n+5);
+				}
+				else {
+					aflog(1, "user closed: realm[%d].con[%d]", j, i);
+					close(pointer->contable[i].connfd);
+					FD_CLR(pointer->contable[i].connfd, &allset);
+					pointer->contable[i].state = S_STATE_CLOSING;
+					buff[0] = AF_S_CONCLOSED; /* closing connection */
+					buff[1] = i >> 8;	/* high bits of user number */
+					buff[2] = i;		/* low bits of user number */
+					SSL_writen(pointer->ssl, buff, 5);
+				}
+				}
+				else { /* when forwarding udp packets */
+				n = readn(pointer->contable[i].connfd, buff, 5 );
+				if (n != 5) {
+					n = 0;
+				}
+				if (n) {
+				 if ((buff[0] == AF_S_MESSAGE) && (buff[1] == AF_S_LOGIN)
+						 && (buff[2] == AF_S_MESSAGE)) {
+				      length = buff[3];
+				      length = length << 8;
+				      length += buff[4]; /* this is length of message */
+				   if ((n = readn(pointer->contable[i].connfd, &buff[5], length)) != 0) {
+				  	aflog(2, "message from realm[%d].con[%d], length=%d", j, i, n);
+					buff[1] = i >> 8;	/* high bits of user number */
+					buff[2] = i;		/* low bits of user number */
+					SSL_writen(pointer->ssl, buff, n+5);
+				   }
+				 }
+				 else {
+					n = 0;
+				 }
+				}
+				
+				if (n == 0) {
+					aflog(1, "user closed: realm[%d].con[%d]", j, i);
+					close(pointer->contable[i].connfd);
+					FD_CLR(pointer->contable[i].connfd, &allset);
+					pointer->contable[i].state = S_STATE_CLOSING;
+					buff[0] = AF_S_CONCLOSED; /* closing connection */
+					buff[1] = i >> 8;	/* high bits of user number */
+					buff[2] = i;		/* low bits of user number */
+					SSL_writen(pointer->ssl, buff, 5);
+				}
+
+				}
+			}
+		}
+		if (pointer->ready == 3)
+		if (FD_ISSET(pointer->listenfd, &rset)) {
+			aflog(2, "FD_ISSET(realm[%d].listenfd)", j);
+			len = pointer->addrlen;
+			if (pointer->ready == 3) {
+				for (i = 0; i < pointer->usernum; ++i) {
+					if (pointer->contable[i].state == S_STATE_CLEAR) {
+				aflog(2, "realm[%d].contable[%d].connfd = (realm[%d].listenfd)", j, i, j);
+						pointer->contable[i].connfd =
+							accept(pointer->listenfd, pointer->cliaddr, &len);
+						pointer->contable[i].state = S_STATE_OPENING;
+						pointer->usercon++;
+					aflog(1, "user IP:%s",sock_ntop(pointer->cliaddr, len));
+						if (pointer->usercon == pointer->usernum)
+							FD_CLR(pointer->listenfd, &allset);
+						buff[0] = AF_S_CONOPEN; /* opening connection */
+						buff[1] = i >> 8;	/* high bits of user number */
+						buff[2] = i;		/* low bits of user number */
+						SSL_writen(pointer->ssl, buff, 5);
+						break;
+					}
+				}
+			}
+		}
+		if (pointer->ready != 0)
+		if (FD_ISSET(pointer->commfd, &rset)) {	
+			if (pointer->ready == 1) {
+				if (SSL_set_fd(pointer->ssl, pointer->commfd) != 1) {
+					aflog(0, "Problem with initializing ssl... exiting");
+					exit(1);
+				}
+				aflog(2, "Trying SSL_accept in realm[%d]", j);
+				if ((n = SSL_accept(pointer->ssl)) != 1) {
+						flags = SSL_get_error(pointer->ssl, n);
+						switch (flags) {
+							case SSL_ERROR_NONE : {
+						aflog(2, "SSL_accept has failed(%d)...none", n);
+										      break;
+									      }
+							case SSL_ERROR_ZERO_RETURN : {
+						aflog(2, "SSL_accept has failed(%d)...zero", n);
+										      break;
+									      }
+							case SSL_ERROR_WANT_READ : {
+						aflog(2, "SSL_accept has failed(%d)...w_read", n);
+										      break;
+									      }
+							case SSL_ERROR_WANT_WRITE : {
+						aflog(2, "SSL_accept has failed(%d)...w_write", n);
+										      break;
+									      }
+							case SSL_ERROR_WANT_CONNECT : {
+						aflog(2, "SSL_accept has failed(%d)...w_connect", n);
+										      break;
+									      }
+							case SSL_ERROR_WANT_X509_LOOKUP : {
+						aflog(2, "SSL_accept has failed(%d)...w_x509_lookup", n);
+										      break;
+									      }
+							case SSL_ERROR_SYSCALL : {
+						aflog(2, "SSL_accept has failed(%d)...syscall", n);
+										      break;
+									      }
+							case SSL_ERROR_SSL : {
+									      SSL_load_error_strings();
+						aflog(2, "SSL_accept has failed(%d)...ssl:%s",
+							n, ERR_error_string(ERR_get_error(), (char*) buff));
+										      break;
+									      }
+						}
+					if (flags == SSL_ERROR_WANT_READ)
+						continue; 
+					  close (pointer->commfd);
+					  FD_CLR(pointer->commfd, &allset);
+					  FD_SET(pointer->managefd, &allset);
+					  SSL_clear(pointer->ssl);
+					  pointer->ready = 0;
+					  manconnecting--;
+					  aflog(1, "SSL_accept failed (denied) in realm[%d]", j);
+				}
+				else {
+					  aflog(1, "SSL_accept successfull in realm[%d]", j);
+					  pointer->ready = 2;
+				}
+				  continue; /* in the case this is not our client */
+			}
+			aflog(2, "FD_ISSET(realm[%d].commfd)", j);
+			n = SSL_read(pointer->ssl, buff, 5);
+			if (n == -1) {
+				if (errno == EAGAIN) {
+					continue;
+				}
+				else {
+					n = 0;
+				}
+			}
+			else if (n != 5) {
+				n = 0;
+			}
+			if (n==0) {
+				close(pointer->commfd);
+				FD_CLR(pointer->commfd, &allset);
+				FD_CLR(pointer->listenfd, &allset);
+				FD_SET(pointer->managefd, &allset);
+				maxfdp1 = (maxfdp1 > (pointer->managefd+1)) ? maxfdp1 : (pointer->managefd+1);
+				if (pointer->ready == 3) {
+				  for (i = 0; i < pointer->usernum; ++i) {
+					  if (pointer->contable[i].state != S_STATE_CLEAR) {
+					  pointer->contable[i].state = S_STATE_CLEAR;
+					  FD_CLR(pointer->contable[i].connfd, &allset);
+					  close(pointer->contable[i].connfd);
+					  }
+				  }
+				}
+				pointer->usercon = 0;
+			        SSL_clear(pointer->ssl);
+				pointer->ready = 0;
+				aflog(1, "realm[%d].commfd closed!", j);
+				continue;
+			}
+		      numofcon = buff[1];
+		      numofcon = numofcon << 8;
+		      numofcon += buff[2]; /* this is id of user */
+		      length = buff[3];
+		      length = length << 8;
+		      length += buff[4]; /* this is length of message */
+			switch (buff[0]) {
+				case AF_S_CONCLOSED : {
+						      if ((numofcon>=0) &&
+							(numofcon<=(pointer->usernum)) &&
+							  ((pointer->ready)==3)) {
+							      (pointer->usercon)--;
+								if (pointer->usercon == pointer->usernum-1)
+									FD_SET(pointer->listenfd, &allset);
+ 						        	if (pointer->contable[numofcon].state ==
+										S_STATE_CLOSING) {
+								     pointer->contable[numofcon].state =
+									     S_STATE_CLEAR; 
+							      }
+							      else if (pointer->contable[numofcon].state ==
+									      S_STATE_OPEN) {
+					aflog(1, "user kicked: realm[%d].con[%d]", j, numofcon);
+					close(pointer->contable[numofcon].connfd);
+					FD_CLR(pointer->contable[numofcon].connfd, &allset);
+					pointer->contable[numofcon].state = S_STATE_CLEAR;
+					buff[0] = AF_S_CONCLOSED; /* closing connection */
+					buff[1] = numofcon >> 8;	/* high bits of user number */
+					buff[2] = numofcon;		/* low bits of user number */
+					SSL_writen(pointer->ssl, buff, 5);
+							      }
+						      }
+							  else {
+							  close (pointer->commfd);
+							  FD_CLR(pointer->commfd, &allset);
+							  FD_CLR(pointer->listenfd, &allset);
+							  FD_SET(pointer->managefd, &allset);
+							  if (pointer->ready == 2)
+								  manconnecting--;
+					  		  SSL_clear(pointer->ssl);
+							  pointer->ready = 0;
+							  }
+						      break;
+						      }
+				case AF_S_CONOPEN : {
+						      if ((numofcon>=0) &&
+								   (numofcon<=(pointer->usernum)) &&
+								      ((pointer->ready)==3)) {
+							      if (pointer->contable[numofcon].state ==
+									      S_STATE_OPENING) {
+							         aflog(2, "realm[%d].con[%d]->ok",j,numofcon);
+						        FD_SET(pointer->contable[numofcon].connfd, &allset);
+						maxfdp1 = (maxfdp1 > (pointer->contable[numofcon].connfd+1)) ?
+							maxfdp1 : (pointer->contable[numofcon].connfd+1);
+								pointer->contable[numofcon].state =
+									S_STATE_OPEN;
+							      }
+						      }
+							  else {
+							  close (pointer->commfd);
+							  FD_CLR(pointer->commfd, &allset);
+							  FD_CLR(pointer->listenfd, &allset);
+							  FD_SET(pointer->managefd, &allset);
+							  if (pointer->ready == 2)
+								  manconnecting--;
+					  		  SSL_clear(pointer->ssl);
+							  pointer->ready = 0;
+							  }
+							      break;
+						      }
+				case AF_S_MESSAGE : {
+							  if ((pointer->ready) != 3) {
+							  close (pointer->commfd);
+							  FD_CLR(pointer->commfd, &allset);
+							  FD_CLR(pointer->listenfd, &allset);
+							  FD_SET(pointer->managefd, &allset);
+							  manconnecting--;
+					  		  SSL_clear(pointer->ssl);
+							  pointer->ready = 0;
+							  break;
+							  }
+							  if (pointer->type==2) { /* udp */
+							    n = SSL_readn(pointer->ssl, &buff[5], length);
+							  }
+							  else {
+							    n = SSL_readn(pointer->ssl, buff, length);
+							  }
+							    if (n != length) {
+							    aflog(2, "n(%d)!=length(%d)", n, length);
+							      break;
+							    }
+						      if ((numofcon>=0) &&
+							      (numofcon<=(pointer->usernum))) {
+							      if (pointer->contable[numofcon].state ==
+									      S_STATE_OPEN) {
+					aflog(2, "message to realm[%d].con[%d], length=%d",j, numofcon, n);
+					if (pointer->type==2) { /* udp */
+						buff[1] = AF_S_LOGIN;
+						buff[2] = AF_S_MESSAGE;
+						         writen(pointer->contable[numofcon].connfd, buff, n+5);
+					}
+					else {
+						         writen(pointer->contable[numofcon].connfd, buff, n);
+					}
+							      }
+						      }
+							      break;
+						    }
+				case AF_S_LOGIN : {
+						  if ((pointer->ready == 2)&&(numofcon==259)&&(length==1538)) {
+								  pointer->ready = 3;
+						buff[0] = AF_S_LOGIN; /* sending message */
+						buff[1] = pointer->usernum >> 8;/* high bits of user number */
+						buff[2] = pointer->usernum;     /* low bits of user number */
+							SSL_writen(pointer->ssl, buff, 5);
+							FD_SET(pointer->listenfd, &allset);
+							manconnecting--;
+							  }
+							  else {
+							  close (pointer->commfd);
+							  FD_CLR(pointer->commfd, &allset);
+							  FD_CLR(pointer->listenfd, &allset);
+							  FD_SET(pointer->managefd, &allset);
+							if (pointer->ready == 2)
+								manconnecting--;
+					  		  SSL_clear(pointer->ssl);
+							  pointer->ready = 0;
+							  }
+							  break;
+						  }
+				default : {
+						  aflog(1, "Unrecognized message - closing realm[%d]", j);
+						  close (pointer->commfd);
+						  FD_CLR(pointer->commfd, &allset);
+					  	  FD_CLR(pointer->listenfd, &allset);
+						  FD_SET(pointer->managefd, &allset);
+						  if (pointer->ready == 2)
+							  manconnecting--;
+						  if (pointer->ready == 3) {
+							  for (i = 0; i < pointer->usernum; ++i) {
+							  if (pointer->contable[i].state != S_STATE_CLEAR) {
+								  pointer->contable[i].state = S_STATE_CLEAR;
+					  			  FD_CLR(pointer->contable[i].connfd, &allset);
+								  close(pointer->contable[i].connfd);
+							  }
+							  }
+						  }
+					  	  SSL_clear(pointer->ssl);
+						  pointer->ready = 0;
+					  }
+			}
+		}
+
+		if (FD_ISSET(pointer->managefd, &rset)) {
+			aflog(2, "FD_ISSET(realm[%d].managefd)", j);
+			len = pointer->addrlen;
+			if (!(pointer->ready)) {
+				aflog(2, "accept(realm[%d].managefd)", j);
+				pointer->commfd = accept(pointer->managefd, pointer->cliaddr, &len);
+				flags = fcntl(pointer->commfd, F_GETFL, 0);
+				fcntl(pointer->commfd, F_SETFL, flags | O_NONBLOCK);
+				aflog(1, " >> Client IP:%s", sock_ntop(pointer->cliaddr, len));
+				FD_SET(pointer->commfd, &allset);
+				maxfdp1 = (maxfdp1 > (pointer->commfd+1)) ? maxfdp1 : (pointer->commfd+1);
+				FD_CLR(pointer->managefd, &allset);
+				pointer->tv.tv_sec = 5;
+				manconnecting++;
+				pointer->ready = 1;
+			}
+		}
+	} /* realms loop */
+	}
+}
+
+static void
+usage(char* info)
+{	
+   printf("\n%s\n\n", info);
+   printf("  Options:\n");
+   printf("  -h                      - prints this help\n");
+   printf("  -n [hostname]           - it's used when creating listening sockets\n");
+   printf("                            (default: name returned by hostname function)\n");
+   printf("  -l [portnum]            - the listening port number - users connect\n");
+   printf("                            to it (default: 50127)\n");
+   printf("  -m [portnum]            - the manage port number - second part of active\n");
+   printf("                            port forwarder connects to it (default: 50126)\n");
+   printf("  -u [#users]             - amount of users allowed to use this server\n");
+   printf("                            (default: 5)\n");
+   printf("  -c [cerfile]            - name of the file with certificate (default: cacert.pem)\n");
+   printf("  -k [keyfile]            - name of the file with RSA key (default: server.rsa)\n");
+   printf("  -f [cfgfile]            - name of the file with configuration for active\n");
+   printf("                            forwarder (server)\n");
+   printf("  -t [type]               - type of the server (tcp|udp) - for which protocol it\n");
+   printf("                            would be (default: tcp)\n");
+   printf("  -O [logfile]            - logging everything to a logfile\n");
+   printf("  -o [logfile]            - logging some data to a logfile\n");
+   printf("  -v                      - to be verbose - program won't enter into\n");
+   printf("                            the daemon mode (use twice for greater effect)\n\n");
+   exit(0);
+}
+
diff --git a/config b/config
new file mode 100644
index 0000000..4a3eb4e
--- /dev/null
+++ b/config
@@ -0,0 +1,39 @@
+# This is an example configuration file for active forwarder
+# Firstly, we have to declare our files with key and certificate
+
+certificate	cacert.pem
+
+# Please note, that we can place only blank characters between words
+
+key		server.rsa
+
+# when we want to log some information, we specify file for lightlog
+# when we want to log everything - we do this by using heavylog option
+
+# type		name of file
+
+lightlog	logfile
+#heavylog	logfile
+
+
+# And it's time for create forwarding targets (named realms here)
+
+#newrealm indicates a new set of commands to a server
+newrealm
+
+#options        values
+
+hostname	<yourhostname> #this is a name of the server (it's using it for choosing interface)
+listen		50127 	       #portnumber on which server is listening for users
+manage		50126          #portnumber on which server is listening for afclient
+users		5              #amount of users we are allowing to connect
+type		tcp	       #type of the realm (which protocol it will forward (tcp|udp)
+
+# and now the second realm
+
+newrealm
+hostname	<yourhostname>
+listen		50125
+manage		50124
+users		5
+type		tcp
diff --git a/file.c b/file.c
new file mode 100644
index 0000000..b81e595
--- /dev/null
+++ b/file.c
@@ -0,0 +1,159 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003 jeremian <jeremian@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 "file.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+
+ConfigurationT
+parsefile(char* name, int* status)
+{
+	static ConfigurationT cfg;
+	FILE* file = NULL;
+	int state;
+	char buff[256];
+	char helpbuf1[256];
+	char helpbuf2[256];
+
+	*status = 1;
+
+	memset(buff, 0, 256);
+	
+	cfg.certif = NULL;
+	cfg.keys = NULL;
+	cfg.size = 0;
+	cfg.realmtable = NULL;
+	cfg.logging = 0;
+	cfg.logfnam = NULL;
+
+	state = F_UNKNOWN;
+	
+	file = fopen(name, "r");
+	if (file == NULL) {
+		return cfg;
+	}
+
+	while (fgets(buff, 256, file) != NULL) {
+		helpbuf1[0] = 0;
+		sscanf(buff, "%s", helpbuf1);
+		if (strcmp(helpbuf1, "newrealm")==0) {
+			++cfg.size;
+		}
+	}
+	rewind(file);
+	
+	cfg.realmtable = calloc(cfg.size, sizeof(RealmT));
+	cfg.size = 0;
+	*status = 0;
+
+	while (fgets(buff, 256, file) != NULL) {
+		(*status)++;
+		state = sscanf(buff, "%s %s", helpbuf1, helpbuf2);
+			if (helpbuf1[0] == '#') {
+				memset(buff, 0, 256);
+				continue;
+			}
+			if (state == 1) {
+				if (strcmp(helpbuf1, "newrealm")==0) {
+					++cfg.size;
+				}
+				else {
+					return cfg;
+				}
+			}
+			else if (state == 2) {
+				if (strcmp(helpbuf1, "certificate")==0) {
+					cfg.certif = calloc(strlen(helpbuf2)+1, sizeof(char));
+					strcpy(cfg.certif, helpbuf2);
+				}
+				else if (strcmp(helpbuf1, "key")==0) {
+					cfg.keys = calloc(strlen(helpbuf2)+1, sizeof(char));
+					strcpy(cfg.keys, helpbuf2);
+				}
+				else if (strcmp(helpbuf1, "heavylog")==0) {
+					if (cfg.logging)
+						return cfg;
+					cfg.logging = 2;
+					cfg.logfnam = calloc(strlen(helpbuf2)+1, 
+							sizeof(char));
+					strcpy(cfg.logfnam, helpbuf2);
+					
+				}
+				else if (strcmp(helpbuf1, "lightlog")==0) {
+					if (cfg.logging) {
+						return cfg;
+					}
+					cfg.logging = 1;
+					cfg.logfnam = calloc(strlen(helpbuf2)+1, 
+							sizeof(char));
+					strcpy(cfg.logfnam, helpbuf2);
+				}
+				else if (cfg.size == 0) {
+					return cfg;
+				}
+				else if (strcmp(helpbuf1, "hostname")==0) {
+					cfg.realmtable[cfg.size-1].hostname = calloc(strlen(helpbuf2)+1, 
+							sizeof(char));
+					strcpy(cfg.realmtable[cfg.size-1].hostname, helpbuf2);
+				}
+				else if (strcmp(helpbuf1, "listen")==0) {
+					cfg.realmtable[cfg.size-1].lisportnum = calloc(strlen(helpbuf2)+1, 
+							sizeof(char));
+					strcpy(cfg.realmtable[cfg.size-1].lisportnum, helpbuf2);
+				}
+				else if (strcmp(helpbuf1, "manage")==0) {
+					cfg.realmtable[cfg.size-1].manportnum = calloc(strlen(helpbuf2)+1, 
+							sizeof(char));
+					strcpy(cfg.realmtable[cfg.size-1].manportnum, helpbuf2);
+				}
+				else if (strcmp(helpbuf1, "users")==0) {
+					cfg.realmtable[cfg.size-1].users = calloc(strlen(helpbuf2)+1, 
+							sizeof(char));
+					strcpy(cfg.realmtable[cfg.size-1].users, helpbuf2);
+				}
+				else if (strcmp(helpbuf1, "type")==0) {
+					if (cfg.realmtable[cfg.size-1].type != 0) {
+						return cfg;
+					}
+					if (strcmp(helpbuf2, "tcp")==0) {
+						cfg.realmtable[cfg.size-1].type = 1;
+					}
+					else if (strcmp(helpbuf2, "udp")==0) {
+						cfg.realmtable[cfg.size-1].type = 2;
+					}
+					else {
+						return cfg;
+					}
+				}
+				else {
+					return cfg;
+				}
+			}
+			memset(buff, 0, 256);
+		}
+
+	fclose(file);
+	
+	*status = 0;
+	return cfg;
+}
+
diff --git a/file.h b/file.h
new file mode 100644
index 0000000..0a27894
--- /dev/null
+++ b/file.h
@@ -0,0 +1,65 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003 jeremian <jeremian@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 "activefor.h"
+#include "network.h"
+#include <openssl/ssl.h>
+
+#ifndef _JS_FILE_H
+#define _JS_FILE_H
+
+#define	F_UNKNOWN	1
+#define F_IGNORE	2
+#define	F_ROPTION	3
+#define	F_RVALUE	4
+#define	F_MIDDLE	5
+
+typedef struct {
+	char* hostname;
+	char* lisportnum;
+	char* manportnum;
+	char* users;
+	int usercon;
+	int usernum;
+	int listenfd;
+	int managefd;
+	int commfd;
+	char ready;
+	char type;
+	socklen_t addrlen;
+	struct sockaddr* cliaddr;
+	struct timeval tv;
+	SSL* ssl;
+	ConnectuserT* contable;
+} RealmT;
+
+typedef struct {
+	char* certif;
+	char* keys;
+	char* logfnam;
+	char logging;
+	int size;
+	RealmT* realmtable;
+} ConfigurationT;
+
+ConfigurationT parsefile(char*, int*); /* parse the cfg file */
+
+#endif
+
diff --git a/network.c b/network.c
new file mode 100644
index 0000000..59e14a9
--- /dev/null
+++ b/network.c
@@ -0,0 +1,257 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003 jeremian <jeremian@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 "network.h"
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+
+static void
+sig_alrm(int signo)
+{
+	return;
+}
+
+int
+ip_listen(const char *host, const char *serv, socklen_t *addrlenp, const char *type)
+{
+	int				listenfd, n, typ;
+	const int		on = 1;
+	struct addrinfo	hints, *res, *ressave;
+
+	if (strcmp(type, "udp") == 0)
+		typ = 0; /* this is udp_listen */
+	else
+		typ = 1; /* default: tcp_listen */
+	
+	bzero(&hints, sizeof(struct addrinfo));
+	hints.ai_flags = AI_PASSIVE;
+	hints.ai_family = AF_UNSPEC;
+	
+	if (typ)
+		hints.ai_socktype = SOCK_STREAM;
+	else
+		hints.ai_socktype = SOCK_DGRAM;
+
+	if ( (n = getaddrinfo(host, serv, &hints, &res)) != 0) {
+		printf("%s_listen error for %s, %s: %s\n",
+				 (typ)?"tcp":"udp", host, serv, gai_strerror(n));
+		exit(1);
+	}
+	ressave = res;
+
+	do {
+		listenfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
+		if (listenfd < 0)
+			continue;		/* error, try next one */
+
+		if (typ) /* tcp_listen */
+			setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+		if (bind(listenfd, res->ai_addr, res->ai_addrlen) == 0)
+			break;			/* success */
+
+		close(listenfd);	/* bind error, close and try next one */
+	} while ( (res = res->ai_next) != NULL);
+
+	if (res == NULL) {	/* errno from final socket() or bind() */
+		printf("%s_listen error for %s, %s\n", (typ)?"tcp":"udp", host, serv);
+		exit(1);
+	}
+
+	if (typ) /* tcp_listen */
+		listen(listenfd, 1);
+
+	if (addrlenp)
+		*addrlenp = res->ai_addrlen;	/* return size of protocol address */
+
+	freeaddrinfo(ressave);
+
+	return(listenfd);
+}
+
+int
+ip_connect(const char *host, const char *serv, const char* type)
+{
+	int				sockfd, n, typ;
+	struct addrinfo	hints, *res, *ressave;
+
+	if (strcmp(type, "udp") == 0)
+		typ = 0; /* this is udp_listen */
+	else
+		typ = 1; /* default: tcp_listen */
+	
+	bzero(&hints, sizeof(struct addrinfo));
+	hints.ai_family = AF_UNSPEC;
+	if (typ)
+		hints.ai_socktype = SOCK_STREAM;
+	else
+		hints.ai_socktype = SOCK_DGRAM;
+
+	if ( (n = getaddrinfo(host, serv, &hints, &res)) != 0) {
+		printf("%s_connect error for %s, %s: %s\n",
+				(typ)?"tcp":"udp", host, serv, gai_strerror(n));
+		exit(1);
+	}
+	ressave = res;
+
+	do {
+		sockfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
+		if (sockfd < 0)
+			continue;	/* ignore this one */
+
+		if (connect(sockfd, res->ai_addr, res->ai_addrlen) == 0)
+			break;		/* success */
+
+		close(sockfd);	/* ignore this one */
+	} while ( (res = res->ai_next) != NULL);
+
+	if (res == NULL) {	/* errno set from final connect() */
+		printf("%s_connect error for %s, %s\n", (typ)?"tcp":"udp", host, serv);
+		exit(1);
+	}
+
+	freeaddrinfo(ressave);
+
+	return(sockfd);
+}
+
+char *
+sock_ntop(const struct sockaddr *sa, socklen_t salen)
+{
+    char		portstr[7];
+    static char str[128];		/* Unix domain is largest */
+
+	switch (sa->sa_family) {
+	case AF_INET: {
+		struct sockaddr_in	*sin = (struct sockaddr_in *) sa;
+
+		if (inet_ntop(AF_INET, &sin->sin_addr, str, sizeof(str)) == NULL)
+			return(NULL);
+		if (ntohs(sin->sin_port) != 0) {
+			snprintf(portstr, sizeof(portstr), ".%d", ntohs(sin->sin_port));
+			strcat(str, portstr);
+		}
+		return(str);
+	}
+
+#ifdef	IPV6
+	case AF_INET6: {
+		struct sockaddr_in6	*sin6 = (struct sockaddr_in6 *) sa;
+
+		if (inet_ntop(AF_INET6, &sin6->sin6_addr, str, sizeof(str)) == NULL)
+			return(NULL);
+		if (ntohs(sin6->sin6_port) != 0) {
+			snprintf(portstr, sizeof(portstr), ".%d", ntohs(sin6->sin6_port));
+			strcat(str, portstr);
+		}
+		return(str);
+	}
+#endif
+
+	default:
+		snprintf(str, sizeof(str), "sock_ntop: unknown AF_xxx: %d, len %d",
+				 sa->sa_family, salen);
+		return(str);
+	}
+    return (NULL);
+}
+
+int
+SSL_writen(SSL* fd, unsigned char* buf, int amount)
+{
+	int sent, n;
+	sent = 0;
+	while (sent < amount) {
+		signal(SIGALRM, sig_alrm);
+		alarm(5);
+		n = SSL_write(fd, buf+sent, amount - sent);
+		alarm(0);
+		if (n != -1) {
+			sent += n;
+		}
+		if (n == -1) {
+			if (errno != EAGAIN)
+				return 0;
+		}
+	}
+	return amount;
+}
+
+int
+SSL_readn(SSL* fd, unsigned char* buf, int amount)
+{
+	int sent, n;
+	sent = 0;
+	while (sent < amount) {
+		n = SSL_read(fd, buf+sent, amount - sent);
+		if (n != -1) {
+			sent += n;
+		}
+		if (n == 0)
+			return 0;
+		if (n == -1) {
+			if (errno != EAGAIN)
+				return 0;
+		}
+	}
+	return amount;
+} 
+
+int
+writen(int fd, unsigned char* buf, int amount)
+{
+	int sent, n;
+	sent = 0;
+	while (sent < amount) {
+		signal(SIGALRM, sig_alrm);
+		alarm(5);
+		n = write(fd, buf+sent, amount - sent);
+		alarm(0);
+		if (n != -1) {
+			sent += n;
+		}
+		if (n == -1) {
+			if (errno != EAGAIN)
+				return 0;
+		}
+	}
+	return amount;
+}
+
+int
+readn(int fd, unsigned char* buf, int amount)
+{
+	int sent, n;
+	sent = 0;
+	while (sent < amount) {
+		n = read(fd, buf+sent, amount - sent);
+		if (n != -1) {
+			sent += n;
+		}
+		if (n == 0)
+			return 0;
+		if (n == -1) {
+			if (errno != EAGAIN)
+				return 0;
+		}
+	}
+	return amount;
+
+}
diff --git a/network.h b/network.h
new file mode 100644
index 0000000..c4d168c
--- /dev/null
+++ b/network.h
@@ -0,0 +1,45 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003 jeremian <jeremian@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.
+ *
+ */
+
+#ifndef _JS_NETWORK_H
+#define _JS_NETWORK_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/select.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <netdb.h>
+#include <openssl/ssl.h>
+
+int ip_listen(const char *host, const char *serv, socklen_t *addrlenp, const char *type); /* socket, bind, listen... */
+int ip_connect(const char *host, const char *serv, const char *type); /* socket, connect... */
+char* sock_ntop(const struct sockaddr* sa, socklen_t salen); /* return the hostname of connected user */
+int SSL_writen(SSL* fd, unsigned char* buf, int amount);
+int SSL_readn(SSL* fd, unsigned char* buf, int amount); 
+int writen(int fd, unsigned char* buf, int amount);
+int readn(int fd, unsigned char* buf, int amount);
+
+#endif
diff --git a/stats.c b/stats.c
new file mode 100644
index 0000000..3eca5b9
--- /dev/null
+++ b/stats.c
@@ -0,0 +1,79 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003 jeremian <jeremian@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 "stats.h"
+#include <stdio.h>
+#include <time.h>
+#include <string.h>
+#include <stdarg.h>
+
+static char verlev;
+static char loglev;
+static FILE* logfd;
+
+char*
+datum(void)
+{
+	time_t sec;
+	struct tm* tm;
+	static char timedat[20];
+	time(&sec);
+	tm = localtime(&sec);
+	memset(timedat, 0, 20);
+	strftime(timedat, 20, "%d.%m.%Y %H:%M:%S", tm);
+	return timedat;
+}
+
+int
+loginit(char verl, char logl, const char* logfname) {
+	verlev = loglev = 0;
+	if (logfd)
+		fclose(logfd);
+	logfd = NULL;
+	verlev = verl;
+	loglev = logl;
+	if (loglev) {
+		logfd = fopen(logfname, "a");
+		if (logfd == NULL)
+			return 1; /* logging to a non-opened file? */
+	}
+	return 0;
+}
+
+void
+aflog(char type, const char* format, ...)
+{
+	va_list ap;
+	va_start(ap, format);
+	if (verlev)
+		if (type <= verlev) {
+			printf("[%s] ", datum());
+			vfprintf(stdout, format, ap);
+			printf("\n");
+		}
+	if (loglev)
+		if (type <= loglev) {
+			fprintf(logfd, "[%s] ", datum());
+			vfprintf(logfd, format, ap);
+			fprintf(logfd, "\n");
+			fflush(logfd);
+		}
+	va_end(ap);
+}
diff --git a/stats.h b/stats.h
new file mode 100644
index 0000000..117899f
--- /dev/null
+++ b/stats.h
@@ -0,0 +1,28 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003 jeremian <jeremian@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.
+ *
+ */
+
+#ifndef _JS_STATS_H
+#define _JS_STATS_H
+
+int loginit(char verlev, char loglev, const char* logfname); /* initializes logging routine */
+void aflog(char type, const char* format, ...); /* log to a file or|and screen */
+
+#endif
+