proxychains.conf: add hint that proxy must be in ipv4 notation

it is generally invalid to use a DNS name since DNS subsystem
is only available once connected to the proxy; because
DNS is done server-side.

closes #19

.gitignore

@@ -0,0 +1,15 @@
+*.o
+*.so
+*.la
+*.lo
+.deps/
+.libs/
+*.rcb
+*.out
+*~
+*.patch
+
+# Autoconf stuff 
+libtool
+config.*
+stamp-h

AUTHORS

@@ -1,5 +1,23 @@
+original code up to version 3.1
 N3E7CR34TUR3.
+http://proxychains.sourceforge.net
+netcreature@users.sourceforge.net
 
-web site:	proxychains.sourceforge.net
-email:		netcreature@users.sourceforge.net
+main.c, remote-dns, thread safety, bugfixes, build system, 
+cleanups, mac support
+rofl0r.
+https://github.com/rofl0r/proxychains
+
+localnet, bugfixes
+jianing yang.
+https://github.com/jianingy/proxychains
+https://sourceforge.net/projects/proxychains/forums/forum/644747/topic/3498696
+
+poll_retry (fixes for signal handling)
+colin cross.
+https://sourceforge.net/projects/proxychains/forums/forum/644747/topic/2367923
+
+collecting patches from px forum and putting it into a repo
+adam hamsik.
+https://github.com/haad/proxychains
 

INSTALL

@@ -1,13 +0,0 @@
-ProxyChains ver 3.1 Installation
-=======================
-
-If you have installed other ver of proxychains  "make uninstall" before installing this distribution
-
-unpack the .tar.gz , 'cd' to distribution directory and
-run following commands (as root)
--------------------------------------
-./configure
-make
-make install
--------------------------------------
-that's all

Makefile

@@ -0,0 +1,75 @@
+#
+# Makefile for proxychains (requires GNU make), stolen from musl
+#
+# Use config.mak to override any of the following variables.
+# Do not make changes here.
+#
+
+exec_prefix = /usr/local
+bindir = $(exec_prefix)/bin
+
+prefix = /usr/local/
+includedir = $(prefix)/include
+libdir = $(prefix)/lib
+sysconfdir=$(prefix)/etc
+
+SRCS = $(sort $(wildcard src/*.c))
+OBJS = $(SRCS:.c=.o)
+LOBJS = src/nameinfo.o \
+        src/core.o src/common.o src/libproxychains.o src/shm.o \
+        src/allocator_thread.o src/ip_type.o src/stringdump.o \
+        src/hostentdb.o src/hash.o
+
+CFLAGS  += -Wall -O0 -g -std=c99 -D_GNU_SOURCE -pipe
+NO_AS_NEEDED = -Wl,--no-as-needed
+LIBDL   = -ldl
+LDFLAGS = -shared -fPIC $(NO_AS_NEEDED) $(LIBDL) -lpthread
+INC     = 
+PIC     = -fPIC
+AR      = $(CROSS_COMPILE)ar
+RANLIB  = $(CROSS_COMPILE)ranlib
+
+LDSO_SUFFIX = so
+LD_SET_SONAME = -Wl,-soname=
+INSTALL_FLAGS = -D -m
+
+LDSO_PATHNAME = libproxychains4.$(LDSO_SUFFIX)
+
+SHARED_LIBS = $(LDSO_PATHNAME)
+ALL_LIBS = $(SHARED_LIBS)
+PXCHAINS = proxychains4
+ALL_TOOLS = $(PXCHAINS)
+
+-include config.mak
+
+CFLAGS+=$(USER_CFLAGS) $(MAC_CFLAGS)
+CFLAGS_MAIN=-DLIB_DIR=\"$(libdir)\" -DSYSCONFDIR=\"$(sysconfdir)\" -DDLL_NAME=\"$(LDSO_PATHNAME)\"
+
+
+all: $(ALL_LIBS) $(ALL_TOOLS)
+
+install-config:
+	install -d $(DESTDIR)$(sysconfdir)
+	install $(INSTALL_FLAGS) 644 src/proxychains.conf $(DESTDIR)$(sysconfdir)/
+
+install: 
+	install -d $(DESTDIR)$(bindir)/ $(DESTDIR)$(libdir)/
+	install $(INSTALL_FLAGS) 755 $(ALL_TOOLS) $(DESTDIR)$(bindir)/
+	install $(INSTALL_FLAGS) 644 $(ALL_LIBS) $(DESTDIR)$(libdir)/
+
+clean:
+	rm -f $(ALL_LIBS)
+	rm -f $(ALL_TOOLS)
+	rm -f $(OBJS)
+
+%.o: %.c
+	$(CC) $(CFLAGS) $(CFLAGS_MAIN) $(INC) $(PIC) -c -o $@ $<
+
+$(LDSO_PATHNAME): $(LOBJS)
+	$(CC) $(LDFLAGS) $(LD_SET_SONAME)$(LDSO_PATHNAME) -o $@ $(LOBJS)
+
+$(ALL_TOOLS): $(OBJS)
+	$(CC) src/main.o src/common.o -o $(PXCHAINS)
+
+
+.PHONY: all clean install install-config

Makefile.am

@@ -1,8 +0,0 @@
-
-SUBDIRS = proxychains 
-
-EXTRA_DIST = AUTHORS COPYING ChangeLog INSTALL README TODO proxychains.lsm 
-
-AUTOMAKE_OPTIONS = foreign 1.4
-
-

Makefile.in

@@ -1,385 +0,0 @@
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-
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README

@@ -1,18 +1,96 @@
-ProxyChains ver 3.1 README
-======================
+ProxyChains-NG ver 4.5 README
+=============================
 
-This is Unix version only.
+  ProxyChains is a UNIX program, that hooks network-related libc functions
+  in DYNAMICALLY LINKED programs via a preloaded DLL (dlsym(), LD_PRELOAD)
+  and redirects the connections through SOCKS4a/5 or HTTP proxies.
+  It supports TCP only (no UDP/ICMP etc).
 
-How to mess with sources - How to Install : read INSTALL !!!!!!
+  The way it works is basically a HACK; so it is possible that it doesn't
+  work with your program, especially when it's a script, or starts 
+  numerous processes like background daemons or uses dlopen() to load
+  "modules" (bug in glibc dynlinker).
+  It should work with simple compiled (C/C++) dynamically linked programs
+  though.
 
-This program forces any tcp connection made by any given tcp client
-to follow through proxy (or proxy chain). It is a kind of proxifier.
-It acts like sockscap / permeo / eborder driver ( intercepts TCP calls )
-It is FREE.
+  If your program doesn't work with proxychains, consider using an 
+  iptables based solution instead; this is much more robust.
 
-This version (3.x) introduces support for DNS resolving through proxy 
-it supports SOCKS4, SOCKS5 and HTTP CONNECT proxy servers.
-Auth-types: socks - "user/pass" , http - "basic".
+  Supported Platforms: Linux, BSD, Mac.
+
+
+*********** ATTENTION ***********
+
+  this program can be used to circumvent censorship.
+  doing so can be VERY DANGEROUS in certain countries.
+
+  ALWAYS MAKE SURE THAT PROXYCHAINS WORKS AS EXPECTED
+  BEFORE USING IT FOR ANYTHING SERIOUS.
+
+  this involves both the program and the proxy that you're going to
+  use.
+
+  for example, you can connect to some "what is my ip" service
+  like ifconfig.me to make sure that it's not using your real ip.
+
+  ONLY USE PROXYCHAINS IF YOU KNOW WHAT YOU'RE DOING.
+
+  THE AUTHORS AND MAINTAINERS OF PROXYCHAINS DO NOT TAKE ANY 
+  RESPONSIBILITY FOR ANY ABUSE OR MISUSE OF THIS SOFTWARE AND 
+  THE RESULTING CONSEQUENCES.
+
+*** Installation ***
+
+  # needs a working C compiler, preferably gcc
+  ./configure --prefix=/usr --sysconfdir=/etc
+  make
+  [optional] sudo make install
+  [optional] sudo make install-config (installs proxychains.conf)
+
+  if you dont install, you can use proxychains from the build directory
+  like this: ./proxychains4 -f src/proxychains.conf telnet google.com 80
+
+Changelog:
+----------
+
+Version 4.5:
+- hook close() to prevent OpenSSH from messing with internal infrastructure.
+  this caused ssh client to segfault when proxified.
+
+Version 4.4:
+- FreeBSD port
+- fixes some installation issues on Debian and Mac.
+
+Version 4.3:
+- fixes programs that do dns-lookups in child processes (fork()ed),
+  like irssi. to achieve this, support for compilation without pthreads
+  was sacrified.
+- fixes thread safety for gethostent() calls.
+- improved DNS handling speed, since hostent db is cached.
+
+Version 4.2:
+- fixes compilation issues with ubuntu 12.04 toolchain
+- fixes segfault in rare codepath
+
+Version 4.1 
+- support for mac os x (all archs)
+- all internal functions are threadsafe when compiled with -DTHREAD_SAFE 
+  (default).
+
+Version 4.0
+- replaced dnsresolver script (which required a dynamically linked "dig" 
+  binary to be present) with remote DNS lookup.
+  this speeds up any operation involving DNS, as the old script had to use TCP.
+  additionally it allows to use .onion urls when used with TOR.
+- removed broken autoconf build system with a simple Makefile.
+  there's a ./configure script though for convenience.
+  it also adds support for a config file passed via command line switches/
+  environment variables.
+
+Version 3.0
+- support for DNS resolving through proxy 
+  supports SOCKS4, SOCKS5 and HTTP CONNECT proxy servers.
+  Auth-types: socks - "user/pass" , http - "basic".
 
 When to use it ?
 1) When the only way to get "outside" from your LAN is through proxy server.
@@ -21,7 +99,8 @@ When to use it ?
 	like: your_host <--> proxy1 <--> proxy2 <--> target_host
 4) To "proxify" some program with no proxy support built-in (like telnet)
 5) Access intranet from outside via proxy.
-5) To use DNS behind proxy.
+6) To use DNS behind proxy.
+7) To access hidden tor onion services.
 
 Some cool features:
 
@@ -31,34 +110,47 @@ Some cool features:
 	random order from the list ( user defined length of chain ).
 	exact order  (as they appear in the list )
 	dynamic order (smart exclude dead proxies from chain)
-* You can use it with any TCP client application, even network scanners
-	yes, yes - you can make portscan via proxy (or chained proxies)
-	for example with Nmap scanner by fyodor (www.insecire.org/nmap).
-	proxychains nmap -sT -PO -p 80 -iR  (find some webservers through proxy)
+* You can use it with most TCP client applications, possibly even network 
+	scanners, as long as they use standard libc functionality.
+	pcap based scanning does not work.
 * You can use it with servers, like squid, sendmail, or whatever.
 * DNS resolving through proxy.
 
-Configuration:
-proxychains looks for config file in following order:
-1)	./proxychains.conf
-2)	$(HOME)/.proxychains/proxychains.conf
-3)	/etc/proxychains.conf  **
 
-**see more in /etc/proxychains.conf
+Configuration:
+--------------
+
+proxychains looks for config file in following order:
+1)	file listed in environment variable PROXYCHAINS_CONF_FILE or
+	provided as a -f argument to proxychains script or binary.
+2)	./proxychains.conf
+3)	$(HOME)/.proxychains/proxychains.conf
+4)	$(sysconfdir)/proxychains.conf  **
+
+** usually /etc/proxychains.conf
 
 Usage Example:
 
-	bash$ proxychains telnet targethost.com
+	$ proxychains telnet targethost.com
 
 in this example it will run telnet through proxy(or chained proxies)
 specified by proxychains.conf
 
 Usage Example:
 
-	bash$ proxyresolv targethost.com
+      	$ proxychains -f /etc/proxychains-other.conf targethost2.com
+
+in this example it will use different configuration file then proxychains.conf 
+to connect to targethost2.com host.
+
+Usage Example:
+
+	$ proxyresolv targethost.com
 
 in this example it will resolve targethost.com through proxy(or chained proxies)
 specified by proxychains.conf
 
-NOTE: 
-to run suid/sgid programs(like ssh) through proxychains you have to be root
+Community:
+----------
+#proxychains on irc.freenode.net
+

TODO

@@ -1,7 +1,7 @@
-ProxyChains ver 3.1 TODO
+ProxyChains ver 4.0 TODO
 ===================
 
-   stable DNS resolver ....
-
+	
+   hooks for reentrant dns functions, i.e. gethostbyaddr_r
 
 

config.h.in

@@ -1,55 +0,0 @@
-/* config.h.in.  Generated from configure.in by autoheader.  */
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
-#undef HAVE_DLFCN_H
-
-/* Define to 1 if you have the <inttypes.h> header file. */
-#undef HAVE_INTTYPES_H
-
-/* Define to 1 if you have the <memory.h> header file. */
-#undef HAVE_MEMORY_H
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#undef HAVE_STDINT_H
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#undef HAVE_STDLIB_H
-
-/* Define to 1 if you have the <strings.h> header file. */
-#undef HAVE_STRINGS_H
-
-/* Define to 1 if you have the <string.h> header file. */
-#undef HAVE_STRING_H
-
-/* Define to 1 if you have the <sys/stat.h> header file. */
-#undef HAVE_SYS_STAT_H
-
-/* Define to 1 if you have the <sys/types.h> header file. */
-#undef HAVE_SYS_TYPES_H
-
-/* Define to 1 if you have the <unistd.h> header file. */
-#undef HAVE_UNISTD_H
-
-/* Name of package */
-#undef PACKAGE
-
-/* Define to the address where bug reports for this package should be sent. */
-#undef PACKAGE_BUGREPORT
-
-/* Define to the full name of this package. */
-#undef PACKAGE_NAME
-
-/* Define to the full name and version of this package. */
-#undef PACKAGE_STRING
-
-/* Define to the one symbol short name of this package. */
-#undef PACKAGE_TARNAME
-
-/* Define to the version of this package. */
-#undef PACKAGE_VERSION
-
-/* Define to 1 if you have the ANSI C header files. */
-#undef STDC_HEADERS
-
-/* Version number of package */
-#undef VERSION

configure.in

@@ -1,32 +0,0 @@
-dnl without this order in this file, autoconf will not work!
-dnl the argument is a source file out of your sources. But
-dnl acinclude.m4 makes the job for all programs ;-)
-AC_INIT(proxychains,3.1)
-
-dnl enable the following if you want to use autoconf/automake
-dnl framework from a certain directory (like kde-common)
-dnl AC_CONFIG_AUX_DIR(admin)
-
-AC_CANONICAL_SYSTEM
-
-AM_INIT_AUTOMAKE
-
-AC_PREFIX_DEFAULT(/)
-
-dnl without this order in this file, automake will be confused!
-dnl 
-AM_CONFIG_HEADER(config.h)
-
-AC_PROG_CC
-AC_PROG_LIBTOOL
-
-dnl create only shared libtool-libraries
-AC_ENABLE_SHARED(yes)
- 
-dnl set the following to yes, if you want to create static
-dnl libtool-libraries
-AC_ENABLE_STATIC(no)
-
-
-dnl add here all your Makefiles. These will be created by configure
-AC_OUTPUT(Makefile proxychains/Makefile proxychains/docs/Makefile proxychains/docs/en/Makefile )

dist/config.mak

@@ -0,0 +1,11 @@
+### config.mak template for proxychains
+#######################################
+
+# just copy into proxychains root dir and adapt to your needs.
+
+prefix = /usr/local/
+libdir = $(prefix)/lib
+
+exec_prefix = /usr/local
+bindir = $(exec_prefix)/bin
+

install-sh

@@ -1,250 +0,0 @@
-#!/bin/sh
-#
-# install - install a program, script, or datafile
-# This comes from X11R5 (mit/util/scripts/install.sh).
-#
-# Copyright 1991 by the Massachusetts Institute of Technology
-#
-# Permission to use, copy, modify, distribute, and sell this software and its
-# documentation for any purpose is hereby granted without fee, provided that
-# the above copyright notice appear in all copies and that both that
-# copyright notice and this permission notice appear in supporting
-# documentation, and that the name of M.I.T. not be used in advertising or
-# publicity pertaining to distribution of the software without specific,
-# written prior permission.  M.I.T. makes no representations about the
-# suitability of this software for any purpose.  It is provided "as is"
-# without express or implied warranty.
-#
-# Calling this script install-sh is preferred over install.sh, to prevent
-# `make' implicit rules from creating a file called install from it
-# when there is no Makefile.
-#
-# This script is compatible with the BSD install script, but was written
-# from scratch.  It can only install one file at a time, a restriction
-# shared with many OS's install programs.
-
-
-# set DOITPROG to echo to test this script
-
-# Don't use :- since 4.3BSD and earlier shells don't like it.
-doit="${DOITPROG-}"
-
-
-# put in absolute paths if you don't have them in your path; or use env. vars.
-
-mvprog="${MVPROG-mv}"
-cpprog="${CPPROG-cp}"
-chmodprog="${CHMODPROG-chmod}"
-chownprog="${CHOWNPROG-chown}"
-chgrpprog="${CHGRPPROG-chgrp}"
-stripprog="${STRIPPROG-strip}"
-rmprog="${RMPROG-rm}"
-mkdirprog="${MKDIRPROG-mkdir}"
-
-transformbasename=""
-transform_arg=""
-instcmd="$mvprog"
-chmodcmd="$chmodprog 0755"
-chowncmd=""
-chgrpcmd=""
-stripcmd=""
-rmcmd="$rmprog -f"
-mvcmd="$mvprog"
-src=""
-dst=""
-dir_arg=""
-
-while [ x"$1" != x ]; do
-    case $1 in
-	-c) instcmd="$cpprog"
-	    shift
-	    continue;;
-
-	-d) dir_arg=true
-	    shift
-	    continue;;
-
-	-m) chmodcmd="$chmodprog $2"
-	    shift
-	    shift
-	    continue;;
-
-	-o) chowncmd="$chownprog $2"
-	    shift
-	    shift
-	    continue;;
-
-	-g) chgrpcmd="$chgrpprog $2"
-	    shift
-	    shift
-	    continue;;
-
-	-s) stripcmd="$stripprog"
-	    shift
-	    continue;;
-
-	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
-	    shift
-	    continue;;
-
-	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
-	    shift
-	    continue;;
-
-	*)  if [ x"$src" = x ]
-	    then
-		src=$1
-	    else
-		# this colon is to work around a 386BSD /bin/sh bug
-		:
-		dst=$1
-	    fi
-	    shift
-	    continue;;
-    esac
-done
-
-if [ x"$src" = x ]
-then
-	echo "install:	no input file specified"
-	exit 1
-else
-	true
-fi
-
-if [ x"$dir_arg" != x ]; then
-	dst=$src
-	src=""
-	
-	if [ -d $dst ]; then
-		instcmd=:
-	else
-		instcmd=mkdir
-	fi
-else
-
-# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
-# might cause directories to be created, which would be especially bad 
-# if $src (and thus $dsttmp) contains '*'.
-
-	if [ -f $src -o -d $src ]
-	then
-		true
-	else
-		echo "install:  $src does not exist"
-		exit 1
-	fi
-	
-	if [ x"$dst" = x ]
-	then
-		echo "install:	no destination specified"
-		exit 1
-	else
-		true
-	fi
-
-# If destination is a directory, append the input filename; if your system
-# does not like double slashes in filenames, you may need to add some logic
-
-	if [ -d $dst ]
-	then
-		dst="$dst"/`basename $src`
-	else
-		true
-	fi
-fi
-
-## this sed command emulates the dirname command
-dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
-
-# Make sure that the destination directory exists.
-#  this part is taken from Noah Friedman's mkinstalldirs script
-
-# Skip lots of stat calls in the usual case.
-if [ ! -d "$dstdir" ]; then
-defaultIFS='	
-'
-IFS="${IFS-${defaultIFS}}"
-
-oIFS="${IFS}"
-# Some sh's can't handle IFS=/ for some reason.
-IFS='%'
-set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
-IFS="${oIFS}"
-
-pathcomp=''
-
-while [ $# -ne 0 ] ; do
-	pathcomp="${pathcomp}${1}"
-	shift
-
-	if [ ! -d "${pathcomp}" ] ;
-        then
-		$mkdirprog "${pathcomp}"
-	else
-		true
-	fi
-
-	pathcomp="${pathcomp}/"
-done
-fi
-
-if [ x"$dir_arg" != x ]
-then
-	$doit $instcmd $dst &&
-
-	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
-	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
-	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
-	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
-else
-
-# If we're going to rename the final executable, determine the name now.
-
-	if [ x"$transformarg" = x ] 
-	then
-		dstfile=`basename $dst`
-	else
-		dstfile=`basename $dst $transformbasename | 
-			sed $transformarg`$transformbasename
-	fi
-
-# don't allow the sed command to completely eliminate the filename
-
-	if [ x"$dstfile" = x ] 
-	then
-		dstfile=`basename $dst`
-	else
-		true
-	fi
-
-# Make a temp file name in the proper directory.
-
-	dsttmp=$dstdir/#inst.$$#
-
-# Move or copy the file name to the temp name
-
-	$doit $instcmd $src $dsttmp &&
-
-	trap "rm -f ${dsttmp}" 0 &&
-
-# and set any options; do chmod last to preserve setuid bits
-
-# If any of these fail, we abort the whole thing.  If we want to
-# ignore errors from any of these, just make sure not to ignore
-# errors from the above "$doit $instcmd $src $dsttmp" command.
-
-	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
-	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
-	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
-	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
-
-# Now rename the file to the real destination.
-
-	$doit $rmcmd -f $dstdir/$dstfile &&
-	$doit $mvcmd $dsttmp $dstdir/$dstfile 
-
-fi &&
-
-
-exit 0

missing

@@ -1,238 +0,0 @@
-#! /bin/sh
-# Common stub for a few missing GNU programs while installing.
-# Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
-# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
-
-# 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, 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.
-
-if test $# -eq 0; then
-  echo 1>&2 "Try \`$0 --help' for more information"
-  exit 1
-fi
-
-run=:
-
-case "$1" in
---run)
-  # Try to run requested program, and just exit if it succeeds.
-  run=
-  shift
-  "$@" && exit 0
-  ;;
-esac
-
-# If it does not exist, or fails to run (possibly an outdated version),
-# try to emulate it.
-case "$1" in
-
-  -h|--h|--he|--hel|--help)
-    echo "\
-$0 [OPTION]... PROGRAM [ARGUMENT]...
-
-Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
-error status if there is no known handling for PROGRAM.
-
-Options:
-  -h, --help      display this help and exit
-  -v, --version   output version information and exit
-  --run           try to run the given command, and emulate it if it fails
-
-Supported PROGRAM values:
-  aclocal      touch file \`aclocal.m4'
-  autoconf     touch file \`configure'
-  autoheader   touch file \`config.h.in'
-  automake     touch all \`Makefile.in' files
-  bison        create \`y.tab.[ch]', if possible, from existing .[ch]
-  flex         create \`lex.yy.c', if possible, from existing .c
-  lex          create \`lex.yy.c', if possible, from existing .c
-  makeinfo     touch the output file
-  tar          try tar, gnutar, gtar, then tar without non-portable flags
-  yacc         create \`y.tab.[ch]', if possible, from existing .[ch]"
-    ;;
-
-  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
-    echo "missing 0.2 - GNU automake"
-    ;;
-
-  -*)
-    echo 1>&2 "$0: Unknown \`$1' option"
-    echo 1>&2 "Try \`$0 --help' for more information"
-    exit 1
-    ;;
-
-  aclocal)
-    echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
-         you modified \`acinclude.m4' or \`configure.in'.  You might want
-         to install the \`Automake' and \`Perl' packages.  Grab them from
-         any GNU archive site."
-    touch aclocal.m4
-    ;;
-
-  autoconf)
-    echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
-         you modified \`configure.in'.  You might want to install the
-         \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
-         archive site."
-    touch configure
-    ;;
-
-  autoheader)
-    echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
-         you modified \`acconfig.h' or \`configure.in'.  You might want
-         to install the \`Autoconf' and \`GNU m4' packages.  Grab them
-         from any GNU archive site."
-    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' configure.in`
-    test -z "$files" && files="config.h"
-    touch_files=
-    for f in $files; do
-      case "$f" in
-      *:*) touch_files="$touch_files "`echo "$f" |
-				       sed -e 's/^[^:]*://' -e 's/:.*//'`;;
-      *) touch_files="$touch_files $f.in";;
-      esac
-    done
-    touch $touch_files
-    ;;
-
-  automake)
-    echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
-         you modified \`Makefile.am', \`acinclude.m4' or \`configure.in'.
-         You might want to install the \`Automake' and \`Perl' packages.
-         Grab them from any GNU archive site."
-    find . -type f -name Makefile.am -print |
-	   sed 's/\.am$/.in/' |
-	   while read f; do touch "$f"; done
-    ;;
-
-  bison|yacc)
-    echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
-         you modified a \`.y' file.  You may need the \`Bison' package
-         in order for those modifications to take effect.  You can get
-         \`Bison' from any GNU archive site."
-    rm -f y.tab.c y.tab.h
-    if [ $# -ne 1 ]; then
-        eval LASTARG="\${$#}"
-	case "$LASTARG" in
-	*.y)
-	    SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
-	    if [ -f "$SRCFILE" ]; then
-	         cp "$SRCFILE" y.tab.c
-	    fi
-	    SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
-	    if [ -f "$SRCFILE" ]; then
-	         cp "$SRCFILE" y.tab.h
-	    fi
-	  ;;
-	esac
-    fi
-    if [ ! -f y.tab.h ]; then
-	echo >y.tab.h
-    fi
-    if [ ! -f y.tab.c ]; then
-	echo 'main() { return 0; }' >y.tab.c
-    fi
-    ;;
-
-  lex|flex)
-    echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
-         you modified a \`.l' file.  You may need the \`Flex' package
-         in order for those modifications to take effect.  You can get
-         \`Flex' from any GNU archive site."
-    rm -f lex.yy.c
-    if [ $# -ne 1 ]; then
-        eval LASTARG="\${$#}"
-	case "$LASTARG" in
-	*.l)
-	    SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
-	    if [ -f "$SRCFILE" ]; then
-	         cp "$SRCFILE" lex.yy.c
-	    fi
-	  ;;
-	esac
-    fi
-    if [ ! -f lex.yy.c ]; then
-	echo 'main() { return 0; }' >lex.yy.c
-    fi
-    ;;
-
-  makeinfo)
-    echo 1>&2 "\
-WARNING: \`$1' is missing on your system.  You should only need it if
-         you modified a \`.texi' or \`.texinfo' file, or any other file
-         indirectly affecting the aspect of the manual.  The spurious
-         call might also be the consequence of using a buggy \`make' (AIX,
-         DU, IRIX).  You might want to install the \`Texinfo' package or
-         the \`GNU make' package.  Grab either from any GNU archive site."
-    file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
-    if test -z "$file"; then
-      file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
-      file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`
-    fi
-    touch $file
-    ;;
-
-  tar)
-    shift
-    if test -n "$run"; then
-      echo 1>&2 "ERROR: \`tar' requires --run"
-      exit 1
-    fi
-
-    # we have already tried tar in the generic part
-    gnutar ${1+"$@"} && exit 0
-    gtar ${1+"$@"} && exit 0
-    firstarg="$1"
-    if shift; then
-	case "$firstarg" in
-	*o*)
-	    firstarg=`echo "$firstarg" | sed s/o//`
-	    tar "$firstarg" ${1+"$@"} && exit 0
-	    ;;
-	esac
-	case "$firstarg" in
-	*h*)
-	    firstarg=`echo "$firstarg" | sed s/h//`
-	    tar "$firstarg" ${1+"$@"} && exit 0
-	    ;;
-	esac
-    fi
-
-    echo 1>&2 "\
-WARNING: I can't seem to be able to run \`tar' with the given arguments.
-         You may want to install GNU tar or Free paxutils, or check the
-         command line arguments."
-    exit 1
-    ;;
-
-  *)
-    echo 1>&2 "\
-WARNING: \`$1' is needed, and you do not seem to have it handy on your
-         system.  You might have modified some files without having the
-         proper tools for further handling them.  Check the \`README' file,
-         it often tells you about the needed prerequirements for installing
-         this package.  You may also peek at any GNU archive site, in case
-         some other package would contain this missing \`$1' program."
-    exit 1
-    ;;
-esac
-
-exit 0

mkinstalldirs

@@ -1,40 +0,0 @@
-#! /bin/sh
-# mkinstalldirs --- make directory hierarchy
-# Author: Noah Friedman <friedman@prep.ai.mit.edu>
-# Created: 1993-05-16
-# Public domain
-
-# $Id: mkinstalldirs,v 1.2 2004/03/22 00:29:19 netcreature Exp $
-
-errstatus=0
-
-for file
-do
-   set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`
-   shift
-
-   pathcomp=
-   for d
-   do
-     pathcomp="$pathcomp$d"
-     case "$pathcomp" in
-       -* ) pathcomp=./$pathcomp ;;
-     esac
-
-     if test ! -d "$pathcomp"; then
-        echo "mkdir $pathcomp"
-
-        mkdir "$pathcomp" || lasterr=$?
-
-        if test ! -d "$pathcomp"; then
-  	  errstatus=$lasterr
-        fi
-     fi
-
-     pathcomp="$pathcomp/"
-   done
-done
-
-exit $errstatus
-
-# mkinstalldirs ends here

proxychains.lsm

@@ -1,14 +0,0 @@
-Begin3
-Title:          ProxyChains 
-Version:        3.0
-Entered-date:   
-Description:    
-Keywords:        
-Author:          <N37CR347UR3>
-Maintained-by:   <NetCreature>
-Primary-site:   	        
-Home-page:      http://proxychains.sourceforge.net
-Original-site:  
-Platforms:       Linux and other Unices
-Copying-policy: GNU Public License
-End

proxychains/Makefile.am

@@ -1,38 +0,0 @@
-SUBDIRS = docs 
-
-EXTRA_DIST = proxychains.conf core.c core.h libproxychains.c 
-
-sysconf_DATA=$(srcdir)/proxychains.conf
-
-install-data-local:
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-	${INSTALL} $(srcdir)/proxyresolv ${DESTDIR}${bindir}/proxyresolv
-
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-	-rm -f ${DESTDIR}${bindir}/proxyresolv
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-libproxychains_la_METASOURCES = USE_AUTOMOC
-
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-#
-#uninstall-private: uninstall
-#	-rm -f $(HOME)/bin/proxychains

proxychains/Makefile.in

@@ -1,496 +0,0 @@
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-
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-	done
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-# To change the values of `make' variables: instead of editing Makefiles,
-# (1) if the variable is set in `config.status', edit `config.status'
-#     (which will cause the Makefiles to be regenerated when you run `make');
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-subdir = proxychains
-
-distdir: $(DISTFILES)
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-	      || exit 1; \
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-	done
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-
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-#install-private: install
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-.NOEXPORT:

proxychains/core.c

@@ -1,733 +0,0 @@
-/***************************************************************************
-                          core.c  -  description
-                             -------------------
-    begin                : Tue May 14 2002
-    copyright          :  netcreature (C) 2002
-    email                 : netcreature@users.sourceforge.net
- ***************************************************************************/
-/*     GPL */
-/***************************************************************************
- *                                                                         *
- *   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.                                   *
- *                                                                         *
- ***************************************************************************/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <memory.h>
-#include <errno.h>
-#include <netdb.h>
-
-#include <sys/utsname.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/poll.h>
-#include <sys/wait.h>
-#include <fcntl.h>
-#include <time.h>
-#include <stdarg.h>
-#include "core.h"
-
-extern int tcp_read_time_out;
-extern int tcp_connect_time_out;
-extern int proxychains_quiet_mode;
-
-static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-static void encode_base_64(char* src,char* dest,int max_len)
-{
-	int n,l,i;
- 	l=strlen(src);
-	max_len=(max_len-1)/4;
-	for ( i=0;i<max_len;i++,src+=3,l-=3)
-	{
-		switch (l) {
-		case 0:
-			break;
-		case 1:
-			n=src[0] << 16;
-			*dest++=base64[(n >> 18) & 077];
-			*dest++=base64[(n >> 12) & 077];
-			*dest++='=';
-			*dest++='=';
-			break;
-		case 2:
-			n=src[0] << 16 | src[1] << 8;
-			*dest++=base64[(n >> 18) & 077];
-			*dest++=base64[(n >> 12) & 077];
-			*dest++=base64[(n >> 6) & 077];
-			*dest++='=';
-			break;
-		default:
-			n=src[0] << 16 | src[1] << 8 | src[2];
-			*dest++=base64[(n >> 18) & 077];
-			*dest++=base64[(n >> 12) & 077];
-			*dest++=base64[(n >> 6) & 077];
-			*dest++=base64[n & 077];
-		}
-		if (l<3) break;
-	}
-	*dest++=0;
-}
-
-#define LOG_BUFF 1024*20
-
-int proxychains_write_log(char *str,...)
-{
-    char buff[LOG_BUFF];
-    va_list arglist;
-    FILE * log_file;
-    log_file=stderr;
-    if (!proxychains_quiet_mode)
-    {
-        va_start(arglist,str);
-        vsprintf(buff,str,arglist);
-        va_end(arglist);
-        fprintf(log_file,"%s",buff);
-        fflush(log_file);
-    }
-
-        return EXIT_SUCCESS;
-}
-
-static int write_n_bytes(int fd,char *buff,size_t size)
-{
-  int i=0,wrote=0;
-  for(;;)
-  {
-    i=write(fd,&buff[wrote],size-wrote);
-    if(i<=0)
-         return i;
-    wrote+=i;
-    if(wrote==size)
-         return wrote;
-  }
-}
-
-static int read_line(int fd, char *buff, size_t size)
-{
-  int i,ready;
-  struct pollfd pfd[1];
-
-  pfd[0].fd=fd;
-  pfd[0].events=POLLIN;
-  for(i=0;i<size-1;i++)
-  {
-    pfd[0].revents=0;
-    ready=poll(pfd,1,tcp_read_time_out);
-    if(ready!=1 || !(pfd[0].revents&POLLIN) || 1!=read(fd,&buff[i],1))
-      return -1;
-    else if(buff[i]=='\n')
-    {
-        buff[i+1]=0;
-        return (i+1);
-    }
-  }
-  return -1;
-}
-
-static int read_n_bytes(int fd,char *buff, size_t size)
-{
-  int i,ready;
-  struct pollfd pfd[1];
-
-  pfd[0].fd=fd;
-  pfd[0].events=POLLIN;
-  for(i=0;i<size;i++)
-  {
-    pfd[0].revents=0;
-    ready=poll(pfd,1,tcp_read_time_out);
-    if(ready!=1 || !(pfd[0].revents&POLLIN) || 1!=read(fd,&buff[i],1))
-      return -1;
-  }
-  return size;
-}
-
-static int timed_connect(int sock, const struct sockaddr *addr, unsigned int len)
-{
-	int ret,value,value_len;
- 	struct pollfd pfd[1];
-
-	pfd[0].fd=sock;
-	pfd[0].events=POLLOUT;	
-	fcntl(sock, F_SETFL, O_NONBLOCK);
-  	ret=true_connect(sock, addr,  len);
-//	printf("\nconnect ret=%d\n",ret);fflush(stdout);
-  	if(ret==-1 && errno==EINPROGRESS)
-   	{
-    		ret=poll(pfd,1,tcp_connect_time_out);
-//      		printf("\npoll ret=%d\n",ret);fflush(stdout);
-      		if(ret==1)
-        	{
-           		value_len=sizeof(int);
-             		getsockopt(sock,SOL_SOCKET,SO_ERROR,&value,&value_len) ;
-//             		printf("\nvalue=%d\n",value);fflush(stdout);
-               	if(!value)
-               		ret=0;
-                 	else
-                  		ret=-1;
-           	}
-              else
-              	ret=-1;
-       }
-       else if (ret==0)
-			;		
-		else
-	       	ret=-1;
-       	
-
-       fcntl(sock, F_SETFL, !O_NONBLOCK);
-       return ret;
-}
-
-static int tunnel_to(int sock, unsigned int ip, unsigned short port, proxy_type pt,char *user,char *pass)
-{
-        int len;
-        char buff[BUFF_SIZE];
-        bzero (buff,sizeof(buff));
-        switch(pt)
-        {
-        	case HTTP_TYPE:
-         		{
-             		sprintf(buff,"CONNECT %s:%d HTTP/1.0\r\n",
-			        inet_ntoa( * (struct in_addr *) &ip),
-			        ntohs(port));
-           			if (user[0])
-                		{
-					char src[256];
-     					char dst[512];
-					strcpy(src,user);
-					strcat(src,":");
-					strcat(src,pass);
-					encode_base_64(src,dst,512);
-					strcat(buff,"Proxy-Authorization: Basic ");
-					strcat(buff,dst);
-					strcat(buff,"\r\n\r\n");
-				}
-    				else
-					strcat(buff,"\r\n");
-			
-           			len=strlen(buff);
-
-			        if(len!=send(sock,buff,len,0))
-			                return SOCKET_ERROR;
-			
-           			bzero(buff,sizeof(buff));
-                        len=0 ;
-      			 // read header byte by byte.
-			       while(len<BUFF_SIZE)
-			       {
-			                if(1==read_n_bytes(sock,buff+len,1))
-			                        len++;
-			                else
-			                        return SOCKET_ERROR;
-			                if (    len > 4     &&
-		                        	buff[len-1]=='\n'  &&
-			                        buff[len-2]=='\r'  &&
-			                        buff[len-3]=='\n'  &&
-			                        buff[len-4]=='\r'  )
-		                        break;
-			       }
-
-			       // if not ok (200) or response greather than BUFF_SIZE return BLOCKED;
-			       if (     (len==BUFF_SIZE)  ||
-			                ! (     buff[9] =='2'         &&
-			                        buff[10]=='0'        &&
-			                        buff[11]=='0'         ))
-                                  return BLOCKED;
-			       return SUCCESS;
-           		}
-            	break;
-            case SOCKS4_TYPE:
-            	{
-               		memset(buff,0,sizeof(buff));
-                 		buff[0]=4; // socks version
-  				buff[1]=1; // connect command
-				memcpy(&buff[2],&port,2); // dest port
-				memcpy(&buff[4],&ip,4); // dest host
-				len=strlen(user)+1; // username
-    				if(len>1)	
-         				strcpy(&buff[8],user);
-				if((len+8)!=write_n_bytes(sock,buff,(8+len)))
-					return SOCKET_ERROR;
-
- 				if(8!=read_n_bytes(sock,buff,8))
-					return SOCKET_ERROR;
-            	
-				if (buff[0]!=0||buff[1]!=90)
-					return BLOCKED;
-     				
-         			return SUCCESS;
-               	}
-                	break;
-            case SOCKS5_TYPE:
-            	{
-               		if(user)
-                 		{
-                 			buff[0]=5;   //version
-					buff[1]=2;	//nomber of methods
-					buff[2]=0;   // no auth method
-	    				buff[3]=2;  /// auth method -> username / password
-                              if(4!=write_n_bytes(sock,buff,4))
-					 	return SOCKET_ERROR;
-       			}
-            		else
-                		{
-            			buff[0]=5;   //version
-					buff[1]=1;	//nomber of methods
-					buff[2]=0;   // no auth method
-                              if(3!=write_n_bytes(sock,buff,3))
-					 	return SOCKET_ERROR;
-       			}
-
-				memset(buff,0,sizeof(buff));
-
-				if(2!=read_n_bytes(sock,buff,2))
-			 		return SOCKET_ERROR;
-			
-      			if (buff[0]!=5||(buff[1]!=0&&buff[1]!=2))
-         			{
-        				if((buff[0]==0x05)&&(buff[1]==(char)0xFF))
-             						return BLOCKED;
-						else
-							return SOCKET_ERROR;
-          			}
-          			
-          			if (buff[1]==2)
-               		{
-					// authentication
-					char in[2];
-     					char out[515]; char* cur=out;
-					int c;
-     					*cur++=1; // version
-					c=strlen(user);
-					*cur++=c;
-					strncpy(cur,user,c);
-					cur+=c;
-					c=strlen(pass);
-					*cur++=c;
-					strncpy(cur,pass,c);
-					cur+=c;
-					
-     					if((cur-out)!=write_n_bytes(sock,out,cur-out))
-					 	return SOCKET_ERROR;
-     					
-          				
-					if(2!=read_n_bytes(sock,in,2))
-			 			return SOCKET_ERROR;
-					if(in[0]!=1||in[1]!=0)
-       				{
-						if(in[0]!=1)
-      						return SOCKET_ERROR;
-						else
-      						return BLOCKED;
-					}
-				}	
-
-     				buff[0]=5;       // version
-				buff[1]=1;       // connect
-				buff[2]=0;       // reserved
-				buff[3]=1;       // ip v4
-
-			 	memcpy(&buff[4],&ip,4); // dest host
-				memcpy(&buff[8],&port,2); // dest port
-				
-
-			      if(10!=write_n_bytes(sock,buff,10))
-					return SOCKET_ERROR;
-		
-			      if(4!=read_n_bytes(sock,buff,4))
-					return SOCKET_ERROR;
-
-				if (buff[0]!=5||buff[1]!=0)
-			      	return SOCKET_ERROR;
-
-			  	switch (buff[3])
-			      {
-					case 1: len=4;  break;
-					case 4: len=16; break;
-					case 3: len=0;
-			  			if(1!=read_n_bytes(sock,(char*)&len,1))
-			 				return SOCKET_ERROR;
-        					break;
-					default:
-						return SOCKET_ERROR;
-				}
-
-     				if((len+2)!=read_n_bytes(sock,buff,(len+2)))
-					return SOCKET_ERROR;
-
-				return SUCCESS;
-                	}
-                	break;	
-
-        }
-
-return SOCKET_ERROR;
-}
-
-static int start_chain(int *fd, proxy_data *pd, char* begin_mark)
-{
-	struct sockaddr_in addr;
-	
-	*fd=socket(PF_INET,SOCK_STREAM,0);
-	if(*fd==-1)
-		goto error;
-	
-	proxychains_write_log("%s-<>-%s:%d-",
-				begin_mark,
-				inet_ntoa(*(struct in_addr*)&pd->ip),
-				htons(pd->port));
-	pd->ps=PLAY_STATE;
-	bzero(&addr,sizeof(addr));
-	addr.sin_family = AF_INET;
-	addr.sin_addr.s_addr = pd->ip;
-	addr.sin_port = pd->port;
-	if (timed_connect (*fd ,(struct sockaddr*)&addr,sizeof(addr))) {
-		pd->ps=DOWN_STATE;
-		goto error1;
-	}
-	pd->ps=BUSY_STATE;
-	return SUCCESS;
-error1:
-	proxychains_write_log("<--timeout\n");
-error:
-	if(*fd!=-1)
-		close(*fd);
-	return SOCKET_ERROR;
-}
-
-static proxy_data * select_proxy(select_type how, 
-		proxy_data *pd, int proxy_count, int *offset)
-{
-	int i=0,k=0;
-	if(*offset>=proxy_count)
-		return NULL;
-	switch(how) {
-		case RANDOMLY:
-			srand(time(NULL));
-			do {
-				k++;
-				i = 0 + (int) (proxy_count*1.0*rand()/
-						(RAND_MAX+1.0));
-			} while (pd[i].ps!=PLAY_STATE && k<proxy_count*100 );
-		break;
-		case FIFOLY:
-			for(i=*offset;i<proxy_count;i++) {
-				if(pd[i].ps==PLAY_STATE) {
-					*offset=i;
-					break;
-				}
-			}
-		default:
-		break;
-	}
-	if (i>=proxy_count)
-		i=0;
-	return pd[i].ps==PLAY_STATE?&pd[i]:NULL;
-}
-
-
-static void release_all(proxy_data *pd, int proxy_count)
-{
-	int i;
-	for(i=0;i<proxy_count;i++)
-		pd[i].ps=PLAY_STATE;
-	return;
-}
-
-static void release_busy(proxy_data *pd, int proxy_count)
-{
-	int i;
-	for(i=0;i<proxy_count;i++)
-		if(pd[i].ps==BUSY_STATE)
-			pd[i].ps=PLAY_STATE;
-	return;
-}
-
-static int calc_alive(proxy_data *pd, int proxy_count)
-{
-	int i;
-	int alive_count=0;
-	release_busy(pd,proxy_count);
-	for(i=0;i<proxy_count;i++)
-		if(pd[i].ps==PLAY_STATE)
-			alive_count++;
-	return alive_count;
-}
-
-
-static int chain_step(int ns, proxy_data *pfrom, proxy_data *pto)
-{
-	int retcode=-1;
-	
-	proxychains_write_log("<>-%s:%d-", 
-			inet_ntoa(*(struct in_addr*)&pto->ip),
-			htons(pto->port));
-	retcode = 
-		tunnel_to(ns, pto->ip, pto->port, pfrom->pt, pfrom->user, 
-				pfrom->pass);
-	switch(retcode) {
-		case SUCCESS:
-			pto->ps=BUSY_STATE;
-			break;
-		case BLOCKED:
-			pto->ps=BLOCKED_STATE;
-			proxychains_write_log("<--denied\n");
-			close(ns);
-			break;
-		case SOCKET_ERROR:
-			pto->ps=DOWN_STATE;
-			proxychains_write_log("<--timeout\n");
-			close(ns);
-			break;
-	}
-	return retcode;
-}
-
-int connect_proxy_chain( int sock, unsigned int target_ip, 
-		unsigned short target_port, proxy_data *pd, 
-		unsigned int proxy_count, chain_type ct, int max_chain )
-{
-	proxy_data p4;
-	proxy_data *p1,*p2,*p3;
-	int ns=-1;
-	int offset=0;
-	int alive_count=0;
-	int curr_len=0;
-
-#define TP "<>"
-#define DT "|D-chain|"
-#define ST "|S-chain|"
-#define RT "|R-chain|"
-	
-	p3=&p4;
-
-again:
-	switch(ct)  {
-		case DYNAMIC_TYPE:
-		alive_count=calc_alive(pd,proxy_count);
-		offset=0;
-		do {
-			if(!(p1=select_proxy(FIFOLY,pd,proxy_count,&offset)))
-				goto error_more;
-		} while(SUCCESS!=start_chain(&ns,p1,DT) && offset<proxy_count);
-		for(;;) {
-			p2=select_proxy(FIFOLY,pd,proxy_count,&offset);
-			if(!p2)
-				break;
-			if(SUCCESS!=chain_step(ns,p1,p2))
-				goto again;
-			p1=p2;
-		}
-		proxychains_write_log(TP);
-		p3->ip=target_ip;
-		p3->port=target_port;
-		if(SUCCESS!=chain_step(ns,p1,p3))
-			goto error;
-		break;
-
-	case STRICT_TYPE:
-		alive_count=calc_alive(pd,proxy_count);
-		offset=0;
-		if(!(p1=select_proxy(FIFOLY,pd,proxy_count,&offset)))
-			goto error_strict;
-		if(SUCCESS!=start_chain(&ns,p1,ST))
-			goto error_strict;
-		while(offset<proxy_count) {
-			if(!(p2=select_proxy(FIFOLY,pd,proxy_count,&offset)))
-				break;
-			if(SUCCESS!=chain_step(ns,p1,p2))
-				goto error_strict;
-			p1=p2;
-		}
-		proxychains_write_log(TP);
-		p3->ip=target_ip;
-		p3->port=target_port;
-		if(SUCCESS!=chain_step(ns,p1,p3))
-			goto error;
-		break;
-		
-	case RANDOM_TYPE:
-		alive_count=calc_alive(pd,proxy_count);
-		if(alive_count<max_chain)
-			goto error_more;
-		curr_len=offset=0;
-		do {
-			if(!(p1=select_proxy(RANDOMLY,pd,proxy_count,&offset)))
-				goto error_more;
-		} while(SUCCESS!=start_chain(&ns,p1,RT) && offset<max_chain);
-		while(++curr_len<max_chain) {
-			if(!(p2=select_proxy(RANDOMLY,pd,proxy_count,&offset)))
-				goto error_more;
-			if(SUCCESS!=chain_step(ns,p1,p2))
-				goto again;
-			p1=p2;
-		}
-		proxychains_write_log(TP);
-		p3->ip=target_ip;
-		p3->port=target_port;
-		if(SUCCESS!=chain_step(ns,p1,p3))
-			goto error;
-			
-	}
-
-done:
-	proxychains_write_log("<><>-OK\n");
-	dup2(ns,sock);
-	close(ns);
-	return 0;
-error:
-	if(ns!=-1)
-		close(ns);
-	errno = ECONNREFUSED;  // for nmap ;)
-	return -1;
-	
-error_more:
-	proxychains_write_log("\n!!!need more proxies!!!\n");
-error_strict:
-	release_all(pd,proxy_count);
-	if(ns!=-1)
-		close(ns);
-	errno = ETIMEDOUT;
-	return -1;
-}
-
-static struct hostent hostent_space;
-static in_addr_t resolved_addr;
-static char* resolved_addr_p;
-static char addr_name[1024*8];
-struct hostent* proxy_gethostbyname(const char *name)
-{
-	int pipe_fd[2];
-	char buff[256];
-	in_addr_t addr;
-	pid_t pid;
-	int status;
-	struct hostent* hp;
-
-	hostent_space.h_addr_list = &resolved_addr_p;
-	*hostent_space.h_addr_list = (char*)&resolved_addr;
-	resolved_addr = 0;
-	
-	gethostname(buff,sizeof(buff));
-	if(!strcmp(buff,name))
-		goto got_buff;
-
-	bzero(buff,sizeof(buff));
-	
-	// TODO: this works only once, so cache it  ...
-	// 	 later
-	while (hp=gethostent())
-		if (!strcmp(hp->h_name,name)) 
-			return hp; 
-	
-	if(pipe(pipe_fd))
-		goto err;
-	pid = fork();
-	switch(pid) {
-	
-		case 0: // child
-			proxychains_write_log("|DNS-request| %s \n", name);
-			dup2(pipe_fd[1],1);
-			//dup2(pipe_fd[1],2);
-		//	putenv("LD_PRELOAD=");
-			execlp("proxyresolv","proxyresolv",name,NULL);
-			perror("can't exec proxyresolv");
-			exit(2);
-
-		case -1: //error
-			close(pipe_fd[0]);
-			close(pipe_fd[1]);
-			perror("can't fork");
-			goto err;
-		
-		default:
-			close(pipe_fd[1]);
-			waitpid(pid, &status, 0);
-			read(pipe_fd[0],&buff,sizeof(buff));
-			close(pipe_fd[0]);
-got_buff:
-			addr = inet_addr(buff);
-			if (addr == -1)
-				goto err_dns;
-			memcpy(*(hostent_space.h_addr_list),
-						&addr ,sizeof(struct in_addr));
-			hostent_space.h_name = addr_name;
-			hostent_space.h_length = sizeof (in_addr_t);
-	}
-	proxychains_write_log("|DNS-response| %s is %s\n",
-			name, inet_ntoa(*(struct in_addr*)&addr));
-	return &hostent_space;
-err_dns:
-	proxychains_write_log("|DNS-response|: %s is not exist\n", name);
-err:
-	return NULL;
-}
-int proxy_getaddrinfo(const char *node, const char *service,
-		const struct addrinfo *hints,
-		struct addrinfo **res)
-{
-	struct servent *se = NULL;
-	struct hostent *hp = NULL;
-	struct sockaddr* sockaddr_space = NULL;
-	struct addrinfo*  addrinfo_space = NULL;
-	
-//	printf("proxy_getaddrinfo node %s service %s\n",node,service);
-	addrinfo_space = malloc(sizeof(struct addrinfo));
-	if(!addrinfo_space)
-		goto err1;
-	sockaddr_space = malloc(sizeof(struct sockaddr));
-	if(!sockaddr_space)
-		goto err2;
-	bzero(sockaddr_space, sizeof(*sockaddr_space));
-	bzero(addrinfo_space, sizeof(*addrinfo_space));
-	if (node &&
-	    !inet_aton(node,&((struct sockaddr_in*)sockaddr_space)->sin_addr)) {
-		hp = proxy_gethostbyname(node);
-		if (hp) 
-			memcpy(&((struct sockaddr_in*)sockaddr_space)->sin_addr,
-				*(hp->h_addr_list),
-				sizeof(in_addr_t));
-		else
-			goto err3;
-	}
-	if (service)
-		se = getservbyname(service, NULL);
-	
-	if (!se) {
-		((struct sockaddr_in*)sockaddr_space)->sin_port = 
-			htons(atoi(service?:"0"));
-	} else 
-		((struct sockaddr_in*)sockaddr_space)->sin_port = se->s_port;
-
-	*res = addrinfo_space;
-	(*res)->ai_addr = sockaddr_space;
-	if (node)
-		strcpy(addr_name, node);
-	(*res)->ai_canonname = addr_name;
-	(*res)->ai_next = NULL;
-	(*res)->ai_family = sockaddr_space->sa_family = AF_INET;
-	(*res)->ai_socktype = hints->ai_socktype;
-	(*res)->ai_flags = hints->ai_flags;
-	(*res)->ai_protocol = hints->ai_protocol;
-	(*res)->ai_addrlen = sizeof(*sockaddr_space);
-	goto out;
-err3:
-	free(sockaddr_space);
-err2:
-	free(addrinfo_space);
-err1:
-	return 1;
-out:
-	return 0;
-}

proxychains/core.h

@@ -1,105 +0,0 @@
-/***************************************************************************
-                          core.h  -  description
-                             -------------------
-    begin                : Tue May 14 2002
-    copyright          :  netcreature (C) 2002
-    email                 : netcreature@users.sourceforge.net
- ***************************************************************************/
- /*     GPL */
-/***************************************************************************
- *                                                                         *
- *   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.                                   *
- *                                                                         *
- ***************************************************************************/
-#ifndef __CORE_HEADER
-#define __CORE_HEADER
-#define BUFF_SIZE 8*1024  // used to read responses from proxies.
-/*error codes*/
-typedef enum
-{
- SUCCESS=0,
- MEMORY_FAIL,        // malloc failed
- SOCKET_ERROR,  // look errno for more
- CHAIN_DOWN,    // no proxy in chain responds to tcp
- CHAIN_EMPTY,   //  if proxy_count = 0
- BLOCKED  //  target's port blocked on last proxy in the chain
-} ERR_CODE;
-
-
-typedef enum {HTTP_TYPE,SOCKS4_TYPE,SOCKS5_TYPE} proxy_type;
-typedef enum {DYNAMIC_TYPE,STRICT_TYPE,RANDOM_TYPE} chain_type;
-typedef enum {PLAY_STATE,DOWN_STATE,BLOCKED_STATE,BUSY_STATE} proxy_state;
-typedef enum {RANDOMLY,FIFOLY} select_type;
-
-typedef struct
-{
-unsigned int ip;
-unsigned short port;
-proxy_type pt;
-proxy_state ps;
-char user[256];
-char pass[256];
-} proxy_data;
-
-typedef struct
-{
-	proxy_data *pd;
- 	chain_type ct;
-  	unsigned int proxy_count;
-   	int sock;
-    	struct sockaddr addr;
-      int flags;
-} thread_arg;
-
-int connect_proxy_chain (
-		int sock,
-		unsigned int target_ip,
-		unsigned short target_port,
-		proxy_data * pd,
-		unsigned int proxy_count,
-		chain_type ct,
-		int max_chain );
-
-int proxychains_write_log(char *str,...);
-struct hostent* proxy_gethostbyname(const char *name);
-
-
-typedef int (*connect_t)(int, const struct sockaddr *, socklen_t);
-connect_t true_connect;
-
-typedef struct hostent* (*gethostbyname_t)(const char *);
-gethostbyname_t true_gethostbyname;
-
-typedef int (*getaddrinfo_t)(const char *, const char *,
-		const struct addrinfo *,
-		struct addrinfo **);
-getaddrinfo_t true_getaddrinfo;
-
-typedef int (*freeaddrinfo_t)(struct addrinfo *);
-freeaddrinfo_t true_freeaddrinfo;
-
-typedef int (*getnameinfo_t) (const struct sockaddr *,
-		socklen_t, char *,
-		socklen_t, char *,
-		socklen_t, unsigned int);
-getnameinfo_t true_getnameinfo;
-
-typedef struct hostent *(*gethostbyaddr_t) (const void *, socklen_t, int);
-gethostbyaddr_t true_gethostbyaddr;
-
-int proxy_getaddrinfo(const char *node, const char *service,
-		                const struct addrinfo *hints,
-				                struct addrinfo **res);
-
-struct hostent* proxy_gethostbyname(const char *name);
-
-#if 0
-#define PDEBUG(fmt, args...) fprintf(stderr,"DEBUG:"fmt, ## args)
-#else
-#define PDEBUG(fmt, args...)
-#endif
-
-#endif 

proxychains/docs/Makefile.am

@@ -1,5 +0,0 @@
-####### kdevelop will overwrite this part!!! (begin)##########
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-SUBDIRS = en 
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proxychains/docs/Makefile.in

@@ -1,308 +0,0 @@
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-mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
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-CONFIG_CLEAN_FILES = 
-DIST_COMMON =  Makefile.am Makefile.in
-
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-GZIP_ENV = --best
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-
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-	cd $(top_builddir) \
-	  && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
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-# This directory's subdirectories are mostly independent; you can cd
-# into them and run `make' without going through this Makefile.
-# To change the values of `make' variables: instead of editing Makefiles,
-# (1) if the variable is set in `config.status', edit `config.status'
-#     (which will cause the Makefiles to be regenerated when you run `make');
-# (2) otherwise, pass the desired values on the `make' command line.
-
-@SET_MAKE@
-
-all-recursive install-data-recursive install-exec-recursive \
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-	dot_seen=no; \
-	target=`echo $@ | sed s/-recursive//`; \
-	list='$(SUBDIRS)'; for subdir in $$list; do \
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-ID: $(HEADERS) $(SOURCES) $(LISP)
-	list='$(SOURCES) $(HEADERS)'; \
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-	       END { for (i in files) print i; }'`; \
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-	  && mkid -f$$here/ID $$unique $(LISP)
-
-TAGS: tags-recursive $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) $(LISP)
-	tags=; \
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-	test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
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-.NOEXPORT:

proxychains/docs/en/Makefile.am

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proxychains/docs/en/Makefile.in

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-
-# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
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-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
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-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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proxychains/libproxychains.c

@@ -1,321 +0,0 @@
-/***************************************************************************
-                          libproxychains.c  -  description
-                             -------------------
-    begin                : Tue May 14 2002
-    copyright          :  netcreature (C) 2002
-    email                 : netcreature@users.sourceforge.net
- ***************************************************************************/
- /*     GPL */
-/***************************************************************************
- *                                                                         *
- *   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.                                   *
- *                                                                         *
- ***************************************************************************/
-#define _GNU_SOURCE
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <memory.h>
-#include <errno.h>
-#include <netdb.h>
-
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/fcntl.h>
-#include <dlfcn.h>
-
-
-#include "core.h"
-
-#define     satosin(x)      ((struct sockaddr_in *) &(x))
-#define     SOCKADDR(x)     (satosin(x)->sin_addr.s_addr)
-#define     SOCKADDR_2(x)     (satosin(x)->sin_addr)
-#define     SOCKPORT(x)     (satosin(x)->sin_port)
-#define     SOCKFAMILY(x)     (satosin(x)->sin_family)
-#define     MAX_CHAIN 30*1024
-
-int tcp_read_time_out;
-int tcp_connect_time_out;
-chain_type proxychains_ct;
-proxy_data proxychains_pd[MAX_CHAIN];
-int proxychains_proxy_count = 0;
-int proxychains_got_chain_data = 0;
-int proxychains_max_chain = 1;
-int proxychains_quiet_mode = 0;
-int proxychains_resolver = 0;
-static int init_l = 0;
-static inline void get_chain_data(
-	proxy_data *pd,
-	unsigned int *proxy_count,
-	chain_type *ct);
-
-static void init_lib()
-{
-//	proxychains_write_log("ProxyChains-"VERSION
-//			" (http://proxychains.sf.net)\n");
-	
-	get_chain_data(proxychains_pd,&proxychains_proxy_count,&proxychains_ct);
-	true_connect = (connect_t) dlsym(RTLD_NEXT, "connect");
-
-	if (!true_connect) {
-		fprintf(stderr, "Cannot load symbol 'connect' %s\n", dlerror());
-		exit(1);
-	} else {
-//		PDEBUG( "loaded symbol 'connect'"
-//		" real addr %p  wrapped addr %p\n",
-//		true_connect, connect);
-	}
-	true_gethostbyname = (gethostbyname_t) 
-		dlsym(RTLD_NEXT, "gethostbyname");
-
-	if (!true_gethostbyname) {
-		fprintf(stderr, "Cannot load symbol 'gethostbyname' %s\n", 
-				dlerror());
-		exit(1);
-	} else {
-//		PDEBUG( "loaded symbol 'gethostbyname'"
-//		" real addr %p  wrapped addr %p\n",
-//		true_gethostbyname, gethostbyname);
-	}
-	true_getaddrinfo = (getaddrinfo_t) 
-		dlsym(RTLD_NEXT, "getaddrinfo");
-
-	if (!true_getaddrinfo) {
-		fprintf(stderr, "Cannot load symbol 'getaddrinfo' %s\n", 
-				dlerror());
-		exit(1);
-	} else {
-//		PDEBUG( "loaded symbol 'getaddrinfo'"
-//			" real addr %p  wrapped addr %p\n",
-//			true_getaddrinfo, getaddrinfo);
-	}
-	true_freeaddrinfo = (freeaddrinfo_t) 
-		dlsym(RTLD_NEXT, "freeaddrinfo");
-
-	if (!true_freeaddrinfo) {
-		fprintf(stderr, "Cannot load symbol 'freeaddrinfo' %s\n", 
-				dlerror());
-		exit(1);
-	} else {
-//		PDEBUG( "loaded symbol 'freeaddrinfo'"
-//			" real addr %p  wrapped addr %p\n",
-//			true_freeaddrinfo, freeaddrinfo);
-	}
-	true_gethostbyaddr = (gethostbyaddr_t) 
-		dlsym(RTLD_NEXT, "gethostbyaddr");
-
-	if (!true_gethostbyaddr) {
-		fprintf(stderr, "Cannot load symbol 'gethostbyaddr' %s\n", 
-				dlerror());
-		exit(1);
-	} else {
-//		PDEBUG( "loaded symbol 'gethostbyaddr'"
-//			" real addr %p  wrapped addr %p\n",
-//			true_gethostbyaddr, gethostbyaddr);
-	}
-	true_getnameinfo = (getnameinfo_t) 
-		dlsym(RTLD_NEXT, "getnameinfo");
-
-	if (!true_getnameinfo) {
-		fprintf(stderr, "Cannot load symbol 'getnameinfo' %s\n", 
-				dlerror());
-		exit(1);
-	} else {
-//		PDEBUG( "loaded symbol 'getnameinfo'"
-//			" real addr %p  wrapped addr %p\n",
-//			true_getnameinfo, getnameinfo);
-	}
-	init_l = 1;
-}
-
-
-static inline void get_chain_data(
-			proxy_data *pd,
-			unsigned int *proxy_count,
-			chain_type *ct)
-{
-
-
-	int count=0,port_n=0,list=0;
-	char buff[1024],type[1024],host[1024],user[1024];
-	FILE* file;
-
-	if(proxychains_got_chain_data)
-	return;
-
-	//Some defaults
-	tcp_read_time_out=4*1000;
-	tcp_connect_time_out=10*1000;
-	*ct=DYNAMIC_TYPE;
-
-	snprintf(buff,256,"%s/.proxychains/proxychains.conf",getenv("HOME"));
-
-	if(!(file=fopen("./proxychains.conf","r")))
-	if(!(file=fopen(buff,"r")))
-	if(!(file=fopen("/etc/proxychains.conf","r")))
-	{
-		perror("Can't locate proxychains.conf");
-		exit(1);
-	}
-
-	while(fgets(buff,sizeof(buff),file)) {
-		if(buff[strspn(buff," ")]!='#') {
-			if(list) {
-				bzero(&pd[count], sizeof(proxy_data));
-				pd[count].ps=PLAY_STATE;
-				port_n=0;
-				sscanf(buff,"%s %s %d %s %s", type,host,&port_n,
-					pd[count].user,pd[count].pass);
-				pd[count].ip=inet_addr(host);
-				pd[count].port=htons((unsigned short)port_n);
-				if(!strcmp(type,"http")) {
-					pd[count].pt=HTTP_TYPE;
-				}else if(!strcmp(type,"socks4")) {
-					pd[count].pt=SOCKS4_TYPE;
-				}else if(!strcmp(type,"socks5")) {
-					pd[count].pt=SOCKS5_TYPE;
-				}else continue;
-				
-				if( pd[count].ip && pd[count].ip!=-1 && port_n)
-					if(++count==MAX_CHAIN)
-						break;
-			 } else {
-				if(strstr(buff,"[ProxyList]")) {
-					list=1;
-				} else if(strstr(buff,"random_chain")) {
-					*ct=RANDOM_TYPE;
-				} else if(strstr(buff,"strict_chain")) {
-					*ct=STRICT_TYPE;
-				} else if(strstr(buff,"dynamic_chain")) {
-					*ct=DYNAMIC_TYPE;
-				}else if(strstr(buff,"tcp_read_time_out")){
-					sscanf(buff,"%s %d",user,&tcp_read_time_out) ;
-				}else if(strstr(buff,"tcp_connect_time_out")){
-					sscanf(buff,"%s %d",user,&tcp_connect_time_out) ;
-				}else if(strstr(buff,"chain_len")){
-					char *pc;int len;
-					pc=strchr(buff,'=');
-					len=atoi(++pc);
-					proxychains_max_chain=(len?len:1);
-				}else if(strstr(buff,"quiet_mode")){
-					proxychains_quiet_mode=1;
-				}else if(strstr(buff,"proxy_dns")){
-					proxychains_resolver=1;
-				}
-			}
-		}
-	}
-	fclose(file);
-	*proxy_count=count;
-	proxychains_got_chain_data=1;
-}
-
-
-
-int connect (int sock, const struct sockaddr *addr, unsigned int len)
-{
-	int socktype=0,optlen=0,flags=0,ret=0;
-
-	if(!init_l)
-		init_lib();
-	optlen=sizeof(socktype);
-	getsockopt(sock,SOL_SOCKET,SO_TYPE,&socktype,&optlen);
-	if (! (SOCKFAMILY(*addr)==AF_INET  && socktype==SOCK_STREAM))
-		return true_connect(sock,addr,len);
-	flags=fcntl(sock, F_GETFL, 0);
-	if(flags & O_NONBLOCK)
-	fcntl(sock, F_SETFL, !O_NONBLOCK);
-	ret=connect_proxy_chain(
-		sock,
-		SOCKADDR(*addr),
-		SOCKPORT(*addr),
-		proxychains_pd,
-		proxychains_proxy_count,
-		proxychains_ct,
-		  proxychains_max_chain );
-	fcntl(sock, F_SETFL, flags);
-	if(ret!=SUCCESS)
-	errno=ECONNREFUSED;
-	return ret;
-}
-
-struct hostent *gethostbyname(const char *name)
-{
-	PDEBUG("gethostbyname: %s\n",name);
-	if(!init_l)
-		init_lib();
-	if(proxychains_resolver)
-		return proxy_gethostbyname(name);
-	else
-		return true_gethostbyname(name);
-			
-	return NULL;
-}
-int getaddrinfo(const char *node, const char *service,
-		const struct addrinfo *hints,
-		struct addrinfo **res)
-{
-	int ret = 0;
-	PDEBUG("getaddrinfo: %s %s\n",node ,service);
-	if(!init_l)
-		init_lib();
-	if(proxychains_resolver)
-		ret = proxy_getaddrinfo(node, service, hints, res);
-	else
-		ret = true_getaddrinfo(node, service, hints, res);
-			
-	return ret;
-}
-void freeaddrinfo(struct addrinfo *res)
-{
-	PDEBUG("freeaddrinfo %p \n",res);
-	if(!init_l)
-		init_lib();
-	if(!proxychains_resolver)
-		true_freeaddrinfo(res);
-	else {
-		free(res->ai_addr);
-		free(res);
-	}
-	return;
-}
-
-int getnameinfo (const struct sockaddr * sa,
-			socklen_t salen, char * host,
-			socklen_t hostlen, char * serv,
-			socklen_t servlen, unsigned int flags)
-{
-	int ret = 0;
-	if(!init_l)
-		init_lib();
-	if(!proxychains_resolver) {
-		ret = true_getnameinfo(sa,salen,host,hostlen,
-				serv,servlen,flags);
-	} else {
-		if(hostlen) 
-			strncpy(host, inet_ntoa(SOCKADDR_2(*sa)),hostlen);
-		if(servlen) 
-			snprintf(serv, servlen,"%d",ntohs(SOCKPORT(*sa)));
-	}
-	PDEBUG("getnameinfo: %s %s\n", host, serv);
-	return ret;
-}
-struct hostent *gethostbyaddr (const void *addr, socklen_t len,
-		                                      int type)
-{
-	PDEBUG("TODO: gethostbyaddr hook\n"); 
-	if(!init_l)
-		init_lib();
-	if(!proxychains_resolver)
-		return true_gethostbyaddr(addr,len,type);
-	return NULL;
-}
-	

proxychains/main.c

@@ -1,48 +0,0 @@
-/***************************************************************************
-                          main.c  -  description
-                             -------------------
-    begin                : Tue May 14 2002
-    copyright          :  netcreature (C) 2002
-    email                 : netcreature@users.sourceforge.net
- ***************************************************************************/
- /*     GPL */
-/***************************************************************************
- *                                                                         *
- *   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.                                   *
- *                                                                         *
- ***************************************************************************/
-
-
-/*
-* 	 well ... actually this file could be a shell script ... but C rulez :).
-*/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <memory.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-
-int main(int argc, char *argv[])
-{
-  if(argc<2)
-  {
-        printf("\nUsage:   proxychains program_name [arguments]\n"
-       	   "\t for example : proxychains telnet somehost.com\n"
-                 "More help in README file\n");
-        return 0 ;
-  }
-  putenv("LD_PRELOAD=/usr/lib/libproxychains.so");
-  execvp(argv[1],&argv[1]);
-  perror("proxychains can't load process....");
-  return EXIT_SUCCESS;
-}

proxychains/proxychains

@@ -1,9 +0,0 @@
-#!/bin/sh
-echo "ProxyChains-3.1 (http://proxychains.sf.net)"
-if [ $# = 0 ] ; then
-	echo "	usage:"
-	echo "		proxychains <prog> [args]"
-	exit
-fi
-export LD_PRELOAD=libproxychains.so
-exec "$@"

proxychains/proxychains.conf

@@ -1,65 +0,0 @@
-# proxychains.conf  VER 3.1
-#
-#        HTTP, SOCKS4, SOCKS5 tunneling proxifier with DNS.
-#	
-
-# The option below identifies how the ProxyList is treated.
-# only one option should be uncommented at time,
-# otherwise the last appearing option will be accepted
-#
-#dynamic_chain
-#
-# Dynamic - Each connection will be done via chained proxies
-# all proxies chained in the order as they appear in the list
-# at least one proxy must be online to play in chain
-# (dead proxies are skipped)
-# otherwise EINTR is returned to the app
-#
-strict_chain
-#
-# Strict - Each connection will be done via chained proxies
-# all proxies chained in the order as they appear in the list
-# all proxies must be online to play in chain
-# otherwise EINTR is returned to the app
-#
-#random_chain
-#
-# Random - Each connection will be done via random proxy
-# (or proxy chain, see  chain_len) from the list.
-# this option is good to test your IDS :)
-
-# Make sense only if random_chain
-#chain_len = 2
-
-# Quiet mode (no output from library)
-#quiet_mode
-
-# Proxy DNS requests - no leak for DNS data
-proxy_dns 
-
-# Some timeouts in milliseconds
-tcp_read_time_out 15000
-tcp_connect_time_out 8000
-
-# ProxyList format
-#       type  host  port [user pass]
-#       (values separated by 'tab' or 'blank')
-#
-#
-#        Examples:
-#
-#            	socks5	192.168.67.78	1080	lamer	secret
-#		http	192.168.89.3	8080	justu	hidden
-#	 	socks4	192.168.1.49	1080
-#	        http	192.168.39.93	8080	
-#		
-#
-#       proxy types: http, socks4, socks5
-#        ( auth types supported: "basic"-http  "user/pass"-socks )
-#
-[ProxyList]
-# add proxy here ...
-# meanwile
-# defaults set to "tor"
-socks4 	127.0.0.1 9050
-

proxychains/proxyresolv

@@ -1,16 +0,0 @@
-#!/bin/sh
-# This script is called by proxychains to resolve DNS names
-
-# DNS server used to resolve names
-DNS_SERVER=4.2.2.2
-
-
-if [ $# = 0 ] ; then
-	echo "	usage:"
-	echo "		proxyresolv <hostname> "
-	exit
-fi
-
-
-export LD_PRELOAD=libproxychains.so
-dig $1 @$DNS_SERVER +tcp | awk '/A.+[0-9]+\.[0-9]+\.[0-9]/{print $5;}'

src/allocator_thread.c

@@ -0,0 +1,296 @@
+#include <pthread.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/select.h>
+#include <assert.h>
+#include <string.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <errno.h>
+#include "allocator_thread.h"
+#include "shm.h"
+#include "debug.h"
+#include "ip_type.h"
+#include "mutex.h"
+#include "hash.h"
+#include "stringdump.h"
+
+/* stuff for our internal translation table */
+
+typedef struct {
+	uint32_t hash;
+	char* string;
+} string_hash_tuple;
+
+typedef struct {
+	uint32_t counter;
+	uint32_t capa;
+	string_hash_tuple** list;
+} internal_ip_lookup_table;
+
+pthread_mutex_t internal_ips_lock;
+internal_ip_lookup_table *internal_ips = NULL;
+internal_ip_lookup_table internal_ips_buf;
+
+uint32_t index_from_internal_ip(ip_type internalip) {
+	PFUNC();
+	ip_type tmp = internalip;
+	uint32_t ret;
+	ret = tmp.octet[3] + (tmp.octet[2] << 8) + (tmp.octet[1] << 16);
+	ret -= 1;
+	return ret;
+}
+
+char *string_from_internal_ip(ip_type internalip) {
+	PFUNC();
+	char *res = NULL;
+	uint32_t index = index_from_internal_ip(internalip);
+	if(index < internal_ips->counter)
+		res = internal_ips->list[index]->string;
+	return res;
+}
+
+extern unsigned int remote_dns_subnet;
+ip_type make_internal_ip(uint32_t index) {
+	ip_type ret;
+	index++; // so we can start at .0.0.1
+	if(index > 0xFFFFFF)
+		return ip_type_invalid;
+	ret.octet[0] = remote_dns_subnet & 0xFF;
+	ret.octet[1] = (index & 0xFF0000) >> 16;
+	ret.octet[2] = (index & 0xFF00) >> 8;
+	ret.octet[3] = index & 0xFF;
+	return ret;
+}
+
+static ip_type ip_from_internal_list(char* name, size_t len) {
+	uint32_t hash = dalias_hash((char *) name);
+	size_t i;
+	ip_type res;
+	void* new_mem;
+	// see if we already have this dns entry saved.
+	if(internal_ips->counter) {
+		for(i = 0; i < internal_ips->counter; i++) {
+			if(internal_ips->list[i]->hash == hash && !strcmp(name, internal_ips->list[i]->string)) {
+				res = make_internal_ip(i);
+				PDEBUG("got cached ip for %s\n", name);
+				goto have_ip;
+			}
+		}
+	}
+	// grow list if needed.
+	if(internal_ips->capa < internal_ips->counter + 1) {
+		PDEBUG("realloc\n");
+		new_mem = realloc(internal_ips->list, (internal_ips->capa + 16) * sizeof(void *));
+		if(new_mem) {
+			internal_ips->capa += 16;
+			internal_ips->list = new_mem;
+		} else {
+	oom:
+			PDEBUG("out of mem\n");
+			goto err_plus_unlock;
+		}
+	}
+
+	res = make_internal_ip(internal_ips->counter);
+	if(res.as_int == ip_type_invalid.as_int)
+		goto err_plus_unlock;
+
+	string_hash_tuple tmp = { 0 };
+	new_mem = dumpstring((char*) &tmp, sizeof(string_hash_tuple));
+	if(!new_mem)
+		goto oom;
+
+	PDEBUG("creating new entry %d for ip of %s\n", (int) internal_ips->counter, name);
+
+	internal_ips->list[internal_ips->counter] = new_mem;
+	internal_ips->list[internal_ips->counter]->hash = hash;
+	
+	new_mem = dumpstring((char*) name, len + 1);
+	
+	if(!new_mem) {
+		internal_ips->list[internal_ips->counter] = 0;
+		goto oom;
+	}
+	internal_ips->list[internal_ips->counter]->string = new_mem;
+
+	internal_ips->counter += 1;
+
+	have_ip:
+
+	return res;
+	err_plus_unlock:
+	
+	PDEBUG("return err\n");
+	return ip_type_invalid;
+}
+
+/* stuff for communication with the allocator thread */
+
+enum at_msgtype {
+	ATM_GETIP,
+	ATM_GETNAME,
+	ATM_EXIT,
+};
+
+enum at_direction {
+	ATD_SERVER = 0,
+	ATD_CLIENT,
+	ATD_MAX,
+};
+
+struct at_msghdr {
+	enum at_msgtype msgtype;
+	size_t datalen;
+};
+
+static pthread_t allocator_thread;
+static pthread_attr_t allocator_thread_attr;
+int req_pipefd[2];
+int resp_pipefd[2];
+
+static int wait_data(int readfd) {
+	PFUNC();
+	fd_set fds;
+	FD_ZERO(&fds);
+	FD_SET(readfd, &fds);
+	int ret;
+	while((ret = select(readfd+1, &fds, NULL, NULL, NULL)) <= 0) {
+		if(ret < 0) {
+			int e = errno;
+			if(e == EINTR) continue;
+#ifdef __GLIBC__
+			char emsg[1024];
+			char* x = strerror_r(errno, emsg, sizeof emsg);
+			dprintf(2, "select2: %s\n", x);
+#endif
+			return 0;
+		}
+	}
+	return 1;
+}
+
+static int sendmessage(enum at_direction dir, struct at_msghdr *hdr, void* data) {
+	static int* destfd[ATD_MAX] = { [ATD_SERVER] = &req_pipefd[1], [ATD_CLIENT] = &resp_pipefd[1] };
+	int ret = write(*destfd[dir], hdr, sizeof *hdr) == sizeof *hdr;
+	if(ret && hdr->datalen) {
+		assert(hdr->datalen <= MSG_LEN_MAX);
+		ret = write(*destfd[dir], data, hdr->datalen) == hdr->datalen;
+	}
+	return ret;
+}
+
+static int getmessage(enum at_direction dir, struct at_msghdr *hdr, void* data) {
+	static int* readfd[ATD_MAX] = { [ATD_SERVER] = &req_pipefd[0], [ATD_CLIENT] = &resp_pipefd[0] };
+	int ret;
+	if((ret = wait_data(*readfd[dir]))) {
+		ret = read(*readfd[dir], hdr, sizeof *hdr) == sizeof(*hdr);
+		assert(hdr->datalen <= MSG_LEN_MAX);
+		if(ret && hdr->datalen) {
+			ret = read(*readfd[dir], data, hdr->datalen) == hdr->datalen;
+		}
+	}
+	return ret;
+}
+
+static void* threadfunc(void* x) {
+	(void) x;
+	int ret;
+	struct at_msghdr msg;
+	union { 
+		char host[MSG_LEN_MAX];
+		ip_type ip;
+	} readbuf;
+	while((ret = getmessage(ATD_SERVER, &msg, &readbuf))) {
+		switch(msg.msgtype) {
+			case ATM_GETIP:
+				/* client wants an ip for a DNS name. iterate our list and check if we have an existing entry.
+					* if not, create a new one. */
+				readbuf.ip = ip_from_internal_list(readbuf.host, msg.datalen - 1);
+				msg.datalen = sizeof(ip_type);
+				break;
+			case ATM_GETNAME: {
+				char *host = string_from_internal_ip(readbuf.ip);
+				if(host) {
+					size_t l = strlen(host);
+					assert(l < MSG_LEN_MAX);
+					memcpy(readbuf.host, host, l + 1);
+					msg.datalen = l + 1;
+				}
+				break;
+			}
+			case ATM_EXIT:
+				return 0;
+			default:
+				abort();
+		}
+		ret = sendmessage(ATD_CLIENT, &msg, &readbuf);
+	}
+	return 0;
+}
+
+/* API to access the internal ip mapping */
+
+ip_type at_get_ip_for_host(char* host, size_t len) {
+	ip_type readbuf;
+	MUTEX_LOCK(&internal_ips_lock);
+	if(len > MSG_LEN_MAX) goto inv;
+	struct at_msghdr msg = {.msgtype = ATM_GETIP, .datalen = len + 1 };
+	if(sendmessage(ATD_SERVER, &msg, host) &&
+	   getmessage(ATD_CLIENT, &msg, &readbuf));
+	else {
+		inv:
+		readbuf = ip_type_invalid;
+	}
+	MUTEX_UNLOCK(&internal_ips_lock);
+	return readbuf;
+}
+
+size_t at_get_host_for_ip(ip_type ip, char* readbuf) {
+	struct at_msghdr msg = {.msgtype = ATM_GETNAME, .datalen = sizeof(ip_type) };
+	size_t res = 0;
+	MUTEX_LOCK(&internal_ips_lock);
+	if(sendmessage(ATD_SERVER, &msg, &ip) && getmessage(ATD_CLIENT, &msg, readbuf)) {
+		if((ptrdiff_t) msg.datalen <= 0) res = 0;
+		else res = msg.datalen - 1;
+	}
+	MUTEX_UNLOCK(&internal_ips_lock);
+	return res;
+}
+
+
+static void initpipe(int* fds) {
+	if(pipe(fds) == -1) {
+		perror("pipe");
+		exit(1);
+	}
+}
+
+/* initialize with pointers to shared memory. these will
+ * be used to place responses and arguments */
+void at_init(void) {
+	PFUNC();
+	MUTEX_INIT(&internal_ips_lock);
+	internal_ips = &internal_ips_buf;
+	memset(internal_ips, 0, sizeof *internal_ips);
+	initpipe(req_pipefd);
+	initpipe(resp_pipefd);
+	pthread_attr_init(&allocator_thread_attr);
+	pthread_attr_setstacksize(&allocator_thread_attr, 16 * 1024);
+	pthread_create(&allocator_thread, &allocator_thread_attr, threadfunc, 0);
+}
+
+void at_close(void) {
+	PFUNC();
+	const int msg = ATM_EXIT;
+	write(req_pipefd[1], &msg, sizeof(int));
+	pthread_join(allocator_thread, NULL);
+	close(req_pipefd[0]);
+	close(req_pipefd[1]);
+	close(resp_pipefd[0]);
+	close(resp_pipefd[1]);
+	pthread_attr_destroy(&allocator_thread_attr);
+	MUTEX_DESTROY(&internal_ips_lock);
+}

src/allocator_thread.h

@@ -0,0 +1,19 @@
+#ifndef ALLOCATOR_THREAD_H
+#define ALLOCATOR_THREAD_H
+
+#include <unistd.h>
+#include "ip_type.h"
+
+#define MSG_LEN_MAX 256
+
+extern int req_pipefd[2];
+extern int resp_pipefd[2];
+
+void at_init(void);
+void at_close(void);
+size_t at_get_host_for_ip(ip_type ip, char* readbuf);
+ip_type at_get_ip_for_host(char* host, size_t len);
+
+//RcB: DEP "allocator_thread.c"
+#endif
+

src/common.c

@@ -0,0 +1,78 @@
+#include "common.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+// stolen from libulz (C) rofl0r
+void pc_stringfromipv4(unsigned char *ip_buf_4_bytes, char *outbuf_16_bytes) {
+	unsigned char *p;
+	char *o = outbuf_16_bytes;
+	unsigned char n;
+	for(p = ip_buf_4_bytes; p < ip_buf_4_bytes + 4; p++) {
+		n = *p;
+		if(*p >= 100) {
+			if(*p >= 200)
+				*(o++) = '2';
+			else
+				*(o++) = '1';
+			n %= 100;
+		}
+		if(*p >= 10) {
+			*(o++) = (n / 10) + '0';
+			n %= 10;
+		}
+		*(o++) = n + '0';
+		*(o++) = '.';
+	}
+	o[-1] = 0;
+}
+
+static int check_path(char *path) {
+	if(!path)
+		return 0;
+	return access(path, R_OK) != -1;
+}
+
+char *get_config_path(char* default_path, char* pbuf, size_t bufsize) {
+	char buf[512];
+	// top priority: user defined path
+	char *path = default_path;
+	if(check_path(path))
+		goto have;
+	
+	// priority 1: env var PROXYCHAINS_CONF_FILE
+	path = getenv(PROXYCHAINS_CONF_FILE_ENV_VAR);
+	if(check_path(path))
+		goto have;
+
+	// priority 2; proxychains conf in actual dir
+	path = getcwd(buf, sizeof(buf));
+	snprintf(pbuf, bufsize, "%s/%s", path, PROXYCHAINS_CONF_FILE);
+	path = pbuf;
+	if(check_path(path))
+		goto have;
+
+	// priority 3; $HOME/.proxychains/proxychains.conf
+	path = getenv("HOME");
+	snprintf(pbuf, bufsize, "%s/.proxychains/%s", path, PROXYCHAINS_CONF_FILE);
+	path = pbuf;
+	if(check_path(path))
+		goto have;
+
+	// priority 4: $SYSCONFDIR/proxychains.conf
+	path = SYSCONFDIR "/" PROXYCHAINS_CONF_FILE;
+	if(check_path(path))
+		goto have;
+
+	// priority 5: /etc/proxychains.conf
+	path = "/etc/" PROXYCHAINS_CONF_FILE;
+	if(check_path(path))
+		goto have;
+	
+	perror("couldnt find configuration file");
+	exit(1);
+	
+	return NULL;
+	have:
+	return path;
+}

src/common.h

@@ -0,0 +1,18 @@
+#ifndef COMMON_H
+#define COMMON_H
+
+#define PROXYCHAINS_CONF_FILE_ENV_VAR "PROXYCHAINS_CONF_FILE"
+#define PROXYCHAINS_QUIET_MODE_ENV_VAR "PROXYCHAINS_QUIET_MODE"
+#define PROXYCHAINS_CONF_FILE "proxychains.conf"
+#define LOG_PREFIX "[proxychains] "
+#ifndef SYSCONFDIR
+#define SYSCONFDIR "/etc"
+#endif
+
+#include <stddef.h>
+
+char *get_config_path(char* default_path, char* pbuf, size_t bufsize);
+void pc_stringfromipv4(unsigned char *ip_buf_4_bytes, char *outbuf_16_bytes);
+
+//RcB: DEP "common.c"
+#endif

src/core.c

@@ -0,0 +1,813 @@
+/***************************************************************************
+                          core.c  -  description
+                             -------------------
+    begin                : Tue May 14 2002
+    copyright            :  netcreature (C) 2002
+    email                : netcreature@users.sourceforge.net
+ ***************************************************************************
+ *     GPL *
+ ***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <netdb.h>
+
+#include <sys/utsname.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/poll.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+#include <time.h>
+#include <sys/time.h>
+#include <stdarg.h>
+#include <assert.h>
+
+#include "core.h"
+#include "common.h"
+#include "shm.h"
+#include "allocator_thread.h"
+
+extern int tcp_read_time_out;
+extern int tcp_connect_time_out;
+extern int proxychains_quiet_mode;
+extern unsigned int remote_dns_subnet;
+
+static int poll_retry(struct pollfd *fds, nfds_t nfsd, int timeout) {
+	int ret;
+	int time_remain = timeout;
+	int time_elapsed = 0;
+
+	struct timeval start_time;
+	struct timeval tv;
+
+	gettimeofday(&start_time, NULL);
+
+	do {
+		//printf("Retry %d\n", time_remain);
+		ret = poll(fds, nfsd, time_remain);
+		gettimeofday(&tv, NULL);
+		time_elapsed = ((tv.tv_sec - start_time.tv_sec) * 1000 + (tv.tv_usec - start_time.tv_usec) / 1000);
+		//printf("Time elapsed %d\n", time_elapsed);
+		time_remain = timeout - time_elapsed;
+	} while(ret == -1 && errno == EINTR && time_remain > 0);
+
+	//if (ret == -1)
+	//printf("Return %d %d %s\n", ret, errno, strerror(errno));
+	return ret;
+}
+
+static void encode_base_64(char *src, char *dest, int max_len) {
+	static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+	int n, l, i;
+	l = strlen(src);
+	max_len = (max_len - 1) / 4;
+	for(i = 0; i < max_len; i++, src += 3, l -= 3) {
+		switch (l) {
+			case 0:
+				break;
+			case 1:
+				n = src[0] << 16;
+				*dest++ = base64[(n >> 18) & 077];
+				*dest++ = base64[(n >> 12) & 077];
+				*dest++ = '=';
+				*dest++ = '=';
+				break;
+			case 2:
+				n = src[0] << 16 | src[1] << 8;
+				*dest++ = base64[(n >> 18) & 077];
+				*dest++ = base64[(n >> 12) & 077];
+				*dest++ = base64[(n >> 6) & 077];
+				*dest++ = '=';
+				break;
+			default:
+				n = src[0] << 16 | src[1] << 8 | src[2];
+				*dest++ = base64[(n >> 18) & 077];
+				*dest++ = base64[(n >> 12) & 077];
+				*dest++ = base64[(n >> 6) & 077];
+				*dest++ = base64[n & 077];
+		}
+		if(l < 3)
+			break;
+	}
+	*dest++ = 0;
+}
+
+void proxychains_write_log(char *str, ...) {
+	char buff[1024*20];
+	va_list arglist;
+	if(!proxychains_quiet_mode) {
+		va_start(arglist, str);
+		vsnprintf(buff, sizeof(buff), str, arglist);
+		va_end(arglist);
+		fprintf(stderr, "%s", buff);
+		fflush(stderr);
+	}
+}
+
+static int write_n_bytes(int fd, char *buff, size_t size) {
+	int i = 0;
+	size_t wrote = 0;
+	for(;;) {
+		i = write(fd, &buff[wrote], size - wrote);
+		if(i <= 0)
+			return i;
+		wrote += i;
+		if(wrote == size)
+			return wrote;
+	}
+}
+
+static int read_n_bytes(int fd, char *buff, size_t size) {
+	int ready;
+	size_t i;
+	struct pollfd pfd[1];
+
+	pfd[0].fd = fd;
+	pfd[0].events = POLLIN;
+	for(i = 0; i < size; i++) {
+		pfd[0].revents = 0;
+		ready = poll_retry(pfd, 1, tcp_read_time_out);
+		if(ready != 1 || !(pfd[0].revents & POLLIN) || 1 != read(fd, &buff[i], 1))
+			return -1;
+	}
+	return (int) size;
+}
+
+static int timed_connect(int sock, const struct sockaddr *addr, socklen_t len) {
+	int ret, value;
+	socklen_t value_len;
+	struct pollfd pfd[1];
+	PFUNC();
+
+	pfd[0].fd = sock;
+	pfd[0].events = POLLOUT;
+	fcntl(sock, F_SETFL, O_NONBLOCK);
+	ret = true_connect(sock, addr, len);
+	PDEBUG("\nconnect ret=%d\n", ret);
+	
+	if(ret == -1 && errno == EINPROGRESS) {
+		ret = poll_retry(pfd, 1, tcp_connect_time_out);
+		PDEBUG("\npoll ret=%d\n", ret);
+		if(ret == 1) {
+			value_len = sizeof(socklen_t);
+			getsockopt(sock, SOL_SOCKET, SO_ERROR, &value, &value_len);
+			PDEBUG("\nvalue=%d\n", value);
+			if(!value)
+				ret = 0;
+			else
+				ret = -1;
+		} else {
+			ret = -1;
+		}
+	} else {
+#ifdef DEBUG
+		if(ret == -1)
+			perror("true_connect");
+#endif
+		if(ret != 0)
+			ret = -1;
+	}
+
+	fcntl(sock, F_SETFL, !O_NONBLOCK);
+	return ret;
+}
+
+
+#define INVALID_INDEX 0xFFFFFFFFU
+static int tunnel_to(int sock, ip_type ip, unsigned short port, proxy_type pt, char *user, char *pass) {
+	char *dns_name = NULL;
+	char hostnamebuf[MSG_LEN_MAX];
+	size_t dns_len = 0;
+
+	PFUNC();
+
+	// we use ip addresses with 224.* to lookup their dns name in our table, to allow remote DNS resolution
+	// the range 224-255.* is reserved, and it won't go outside (unless the app does some other stuff with
+	// the results returned from gethostbyname et al.)
+	// the hardcoded number 224 can now be changed using the config option remote_dns_subnet to i.e. 127
+	if(ip.octet[0] == remote_dns_subnet) {
+		dns_len = at_get_host_for_ip(ip, hostnamebuf);
+		if(!dns_len) goto err;
+		else dns_name = hostnamebuf;
+	}
+	
+	PDEBUG("host dns %s\n", dns_name ? dns_name : "<NULL>");
+
+	size_t ulen = strlen(user);
+	size_t passlen = strlen(pass);
+
+	if(ulen > 0xFF || passlen > 0xFF || dns_len > 0xFF) {
+		proxychains_write_log(LOG_PREFIX "error: maximum size of 255 for user/pass or domain name!\n");
+		goto err;
+	}
+
+	int len;
+	unsigned char buff[BUFF_SIZE];
+	char ip_buf[16];
+	
+	//memset (buff, 0, sizeof(buff));
+
+	switch (pt) {
+		case HTTP_TYPE:{
+				if(!dns_len) {
+					pc_stringfromipv4(&ip.octet[0], ip_buf);
+					dns_name = ip_buf;
+				}
+
+				snprintf((char *) buff, sizeof(buff), "CONNECT %s:%d HTTP/1.0\r\n", dns_name,
+					 ntohs(port));
+
+				if(user[0]) {
+#define HTTP_AUTH_MAX ((0xFF * 2) + 1 + 1)
+					// 2 * 0xff: username and pass, plus 1 for ':' and 1 for zero terminator.
+					char src[HTTP_AUTH_MAX];
+					char dst[(4 * HTTP_AUTH_MAX)];
+
+					memcpy(src, user, ulen);
+					memcpy(src + ulen, ":", 1);
+					memcpy(src + ulen + 1, pass, passlen);
+					src[ulen + 1 + passlen] = 0;
+
+					encode_base_64(src, dst, sizeof(dst));
+					strcat((char *) buff, "Proxy-Authorization: Basic ");
+					strcat((char *) buff, dst);
+					strcat((char *) buff, "\r\n\r\n");
+				} else
+					strcat((char *) buff, "\r\n");
+
+				len = strlen((char *) buff);
+
+				if(len != send(sock, buff, len, 0))
+					goto err;
+
+				len = 0;
+				// read header byte by byte.
+				while(len < BUFF_SIZE) {
+					if(1 == read_n_bytes(sock, (char *) (buff + len), 1))
+						len++;
+					else
+						goto err;
+					if(len > 4 &&
+					   buff[len - 1] == '\n' &&
+					   buff[len - 2] == '\r' && buff[len - 3] == '\n' && buff[len - 4] == '\r')
+						break;
+				}
+
+				// if not ok (200) or response greather than BUFF_SIZE return BLOCKED;
+				if(len == BUFF_SIZE || !(buff[9] == '2' && buff[10] == '0' && buff[11] == '0'))
+					return BLOCKED;
+
+				return SUCCESS;
+			}
+			break;
+
+		case SOCKS4_TYPE:{
+				buff[0] = 4;	// socks version
+				buff[1] = 1;	// connect command
+				memcpy(&buff[2], &port, 2);	// dest port
+				if(dns_len) {
+					ip.octet[0] = 0;
+					ip.octet[1] = 0;
+					ip.octet[2] = 0;
+					ip.octet[3] = 1;
+				}
+				memcpy(&buff[4], &ip, 4);	// dest host
+				len = ulen + 1;	// username
+				if(len > 1)
+					memcpy(&buff[8], user, len);
+				else {
+					buff[8] = 0;
+				}
+
+				// do socksv4a dns resolution on the server
+				if(dns_len) {
+					memcpy(&buff[8 + len], dns_name, dns_len + 1);
+					len += dns_len + 1;
+				}
+
+				if((len + 8) != write_n_bytes(sock, (char *) buff, (8 + len)))
+					goto err;
+
+				if(8 != read_n_bytes(sock, (char *) buff, 8))
+					goto err;
+
+				if(buff[0] != 0 || buff[1] != 90)
+					return BLOCKED;
+
+				return SUCCESS;
+			}
+			break;
+		case SOCKS5_TYPE:{
+				if(user) {
+					buff[0] = 5;	//version
+					buff[1] = 2;	//nomber of methods
+					buff[2] = 0;	// no auth method
+					buff[3] = 2;	/// auth method -> username / password
+					if(4 != write_n_bytes(sock, (char *) buff, 4))
+						goto err;
+				} else {
+					buff[0] = 5;	//version
+					buff[1] = 1;	//nomber of methods
+					buff[2] = 0;	// no auth method
+					if(3 != write_n_bytes(sock, (char *) buff, 3))
+						goto err;
+				}
+
+				if(2 != read_n_bytes(sock, (char *) buff, 2))
+					goto err;
+
+				if(buff[0] != 5 || (buff[1] != 0 && buff[1] != 2)) {
+					if(buff[0] == 5 && buff[1] == 0xFF)
+						return BLOCKED;
+					else
+						goto err;
+				}
+
+				if(buff[1] == 2) {
+					// authentication
+					char in[2];
+					char out[515];
+					char *cur = out;
+					size_t c;
+					*cur++ = 1;	// version
+					c = ulen & 0xFF;
+					*cur++ = c;
+					memcpy(cur, user, c);
+					cur += c;
+					c = passlen & 0xFF;
+					*cur++ = c;
+					memcpy(cur, pass, c);
+					cur += c;
+
+					if((cur - out) != write_n_bytes(sock, out, cur - out))
+						goto err;
+
+
+					if(2 != read_n_bytes(sock, in, 2))
+						goto err;
+					if(in[0] != 1 || in[1] != 0) {
+						if(in[0] != 1)
+							goto err;
+						else
+							return BLOCKED;
+					}
+				}
+				int buff_iter = 0;
+				buff[buff_iter++] = 5;	// version
+				buff[buff_iter++] = 1;	// connect
+				buff[buff_iter++] = 0;	// reserved
+
+				if(!dns_len) {
+					buff[buff_iter++] = 1;	// ip v4
+					memcpy(buff + buff_iter, &ip, 4);	// dest host
+					buff_iter += 4;
+				} else {
+					buff[buff_iter++] = 3;	//dns
+					buff[buff_iter++] = dns_len & 0xFF;
+					memcpy(buff + buff_iter, dns_name, dns_len);
+					buff_iter += dns_len;
+				}
+
+				memcpy(buff + buff_iter, &port, 2);	// dest port
+				buff_iter += 2;
+
+
+				if(buff_iter != write_n_bytes(sock, (char *) buff, buff_iter))
+					goto err;
+
+				if(4 != read_n_bytes(sock, (char *) buff, 4))
+					goto err;
+
+				if(buff[0] != 5 || buff[1] != 0)
+					goto err;
+
+				switch (buff[3]) {
+
+					case 1:
+						len = 4;
+						break;
+					case 4:
+						len = 16;
+						break;
+					case 3:
+						len = 0;
+						if(1 != read_n_bytes(sock, (char *) &len, 1))
+							goto err;
+						break;
+					default:
+						goto err;
+				}
+
+				if(len + 2 != read_n_bytes(sock, (char *) buff, len + 2))
+					goto err;
+
+				return SUCCESS;
+			}
+			break;
+	}
+
+	err:
+	return SOCKET_ERROR;
+}
+
+#define TP " ... "
+#define DT "Dynamic chain"
+#define ST "Strict chain"
+#define RT "Random chain"
+
+static int start_chain(int *fd, proxy_data * pd, char *begin_mark) {
+	struct sockaddr_in addr;
+	char ip_buf[16];
+
+	*fd = socket(PF_INET, SOCK_STREAM, 0);
+	if(*fd == -1)
+		goto error;
+	
+	pc_stringfromipv4(&pd->ip.octet[0], ip_buf);
+	proxychains_write_log(LOG_PREFIX "%s " TP " %s:%d ",
+			      begin_mark, ip_buf, htons(pd->port));
+	pd->ps = PLAY_STATE;
+	memset(&addr, 0, sizeof(addr));
+	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = (in_addr_t) pd->ip.as_int;
+	addr.sin_port = pd->port;
+	if(timed_connect(*fd, (struct sockaddr *) &addr, sizeof(addr))) {
+		pd->ps = DOWN_STATE;
+		goto error1;
+	}
+	pd->ps = BUSY_STATE;
+	return SUCCESS;
+	error1:
+	proxychains_write_log(TP " timeout\n");
+	error:
+	if(*fd != -1)
+		close(*fd);
+	return SOCKET_ERROR;
+}
+
+static proxy_data *select_proxy(select_type how, proxy_data * pd, unsigned int proxy_count, unsigned int *offset) {
+	unsigned int i = 0, k = 0;
+	if(*offset >= proxy_count)
+		return NULL;
+	switch (how) {
+		case RANDOMLY:
+			do {
+				k++;
+				i = 0 + (unsigned int) (proxy_count * 1.0 * rand() / (RAND_MAX + 1.0));
+			} while(pd[i].ps != PLAY_STATE && k < proxy_count * 100);
+			break;
+		case FIFOLY:
+			for(i = *offset; i < proxy_count; i++) {
+				if(pd[i].ps == PLAY_STATE) {
+					*offset = i;
+					break;
+				}
+			}
+		default:
+			break;
+	}
+	if(i >= proxy_count)
+		i = 0;
+	return (pd[i].ps == PLAY_STATE) ? &pd[i] : NULL;
+}
+
+
+static void release_all(proxy_data * pd, unsigned int proxy_count) {
+	unsigned int i;
+	for(i = 0; i < proxy_count; i++)
+		pd[i].ps = PLAY_STATE;
+	return;
+}
+
+static void release_busy(proxy_data * pd, unsigned int proxy_count) {
+	unsigned int i;
+	for(i = 0; i < proxy_count; i++)
+		if(pd[i].ps == BUSY_STATE)
+			pd[i].ps = PLAY_STATE;
+	return;
+}
+
+static unsigned int calc_alive(proxy_data * pd, unsigned int proxy_count) {
+	unsigned int i;
+	int alive_count = 0;
+	release_busy(pd, proxy_count);
+	for(i = 0; i < proxy_count; i++)
+		if(pd[i].ps == PLAY_STATE)
+			alive_count++;
+	return alive_count;
+}
+
+
+static int chain_step(int ns, proxy_data * pfrom, proxy_data * pto) {
+	int retcode = -1;
+	char *hostname;
+	char hostname_buf[MSG_LEN_MAX];
+	char ip_buf[16];
+
+	PFUNC();
+
+	if(pto->ip.octet[0] == remote_dns_subnet) {
+		if(!at_get_host_for_ip(pto->ip, hostname_buf)) goto usenumericip;
+		else hostname = hostname_buf;
+	} else {
+	usenumericip:
+		pc_stringfromipv4(&pto->ip.octet[0], ip_buf);
+		hostname = ip_buf;
+	}
+
+	proxychains_write_log(TP " %s:%d ", hostname, htons(pto->port));
+	retcode = tunnel_to(ns, pto->ip, pto->port, pfrom->pt, pfrom->user, pfrom->pass);
+	switch (retcode) {
+		case SUCCESS:
+			pto->ps = BUSY_STATE;
+			break;
+		case BLOCKED:
+			pto->ps = BLOCKED_STATE;
+			proxychains_write_log("<--denied\n");
+			close(ns);
+			break;
+		case SOCKET_ERROR:
+			pto->ps = DOWN_STATE;
+			proxychains_write_log("<--socket error or timeout!\n");
+			close(ns);
+			break;
+	}
+	return retcode;
+}
+
+int connect_proxy_chain(int sock, ip_type target_ip,
+			unsigned short target_port, proxy_data * pd,
+			unsigned int proxy_count, chain_type ct, unsigned int max_chain) {
+	proxy_data p4;
+	proxy_data *p1, *p2, *p3;
+	int ns = -1;
+	unsigned int offset = 0;
+	unsigned int alive_count = 0;
+	unsigned int curr_len = 0;
+
+	p3 = &p4;
+
+	PFUNC();
+
+	again:
+
+	switch (ct) {
+		case DYNAMIC_TYPE:
+			alive_count = calc_alive(pd, proxy_count);
+			offset = 0;
+			do {
+				if(!(p1 = select_proxy(FIFOLY, pd, proxy_count, &offset)))
+					goto error_more;
+			} while(SUCCESS != start_chain(&ns, p1, DT) && offset < proxy_count);
+			for(;;) {
+				p2 = select_proxy(FIFOLY, pd, proxy_count, &offset);
+				if(!p2)
+					break;
+				if(SUCCESS != chain_step(ns, p1, p2)) {
+					PDEBUG("GOTO AGAIN 1\n");
+					goto again;
+				}
+				p1 = p2;
+			}
+			//proxychains_write_log(TP);
+			p3->ip = target_ip;
+			p3->port = target_port;
+			if(SUCCESS != chain_step(ns, p1, p3))
+				goto error;
+			break;
+
+		case STRICT_TYPE:
+			alive_count = calc_alive(pd, proxy_count);
+			offset = 0;
+			if(!(p1 = select_proxy(FIFOLY, pd, proxy_count, &offset))) {
+				PDEBUG("select_proxy failed\n");
+				goto error_strict;
+			}
+			if(SUCCESS != start_chain(&ns, p1, ST)) {
+				PDEBUG("start_chain failed\n");
+				goto error_strict;
+			}
+			while(offset < proxy_count) {
+				if(!(p2 = select_proxy(FIFOLY, pd, proxy_count, &offset)))
+					break;
+				if(SUCCESS != chain_step(ns, p1, p2)) {
+					PDEBUG("chain_step failed\n");
+					goto error_strict;
+				}
+				p1 = p2;
+			}
+			//proxychains_write_log(TP);
+			p3->ip = target_ip;
+			p3->port = target_port;
+			if(SUCCESS != chain_step(ns, p1, p3))
+				goto error;
+			break;
+
+		case RANDOM_TYPE:
+			alive_count = calc_alive(pd, proxy_count);
+			if(alive_count < max_chain)
+				goto error_more;
+			curr_len = offset = 0;
+			do {
+				if(!(p1 = select_proxy(RANDOMLY, pd, proxy_count, &offset)))
+					goto error_more;
+			} while(SUCCESS != start_chain(&ns, p1, RT) && offset < max_chain);
+			while(++curr_len < max_chain) {
+				if(!(p2 = select_proxy(RANDOMLY, pd, proxy_count, &offset)))
+					goto error_more;
+				if(SUCCESS != chain_step(ns, p1, p2)) {
+					PDEBUG("GOTO AGAIN 2\n");
+					goto again;
+				}
+				p1 = p2;
+			}
+			//proxychains_write_log(TP);
+			p3->ip = target_ip;
+			p3->port = target_port;
+			if(SUCCESS != chain_step(ns, p1, p3))
+				goto error;
+
+	}
+
+	proxychains_write_log(TP " OK\n");
+	dup2(ns, sock);
+	close(ns);
+	return 0;
+	error:
+	if(ns != -1)
+		close(ns);
+	errno = ECONNREFUSED;	// for nmap ;)
+	return -1;
+
+	error_more:
+	proxychains_write_log("\n!!!need more proxies!!!\n");
+	error_strict:
+	PDEBUG("error\n");
+	
+	release_all(pd, proxy_count);
+	if(ns != -1)
+		close(ns);
+	errno = ETIMEDOUT;
+	return -1;
+}
+
+#include "hostentdb.h"
+struct hostent_list hl;
+
+void core_initialize(void) {
+	hdb_init(&hl);
+}
+
+void core_unload(void) {
+}
+
+static void gethostbyname_data_setstring(struct gethostbyname_data* data, char* name) {
+	snprintf(data->addr_name, sizeof(data->addr_name), "%s", name);
+	data->hostent_space.h_name = data->addr_name;
+}
+
+struct hostent *proxy_gethostbyname(const char *name, struct gethostbyname_data* data) {
+	PFUNC();
+	char buff[256];
+
+	data->resolved_addr_p[0] = (char *) &data->resolved_addr;
+	data->resolved_addr_p[1] = NULL;
+
+	data->hostent_space.h_addr_list = data->resolved_addr_p;
+	// let aliases point to the NULL member, mimicking an empty list.
+	data->hostent_space.h_aliases = &data->resolved_addr_p[1];
+
+	data->resolved_addr = 0;
+	data->hostent_space.h_addrtype = AF_INET;
+	data->hostent_space.h_length = sizeof(in_addr_t);
+
+	gethostname(buff, sizeof(buff));
+
+	if(!strcmp(buff, name)) {
+		data->resolved_addr = inet_addr(buff);
+		if(data->resolved_addr == (in_addr_t) (-1))
+			data->resolved_addr = (in_addr_t) (ip_type_localhost.as_int);
+		goto retname;
+	}
+
+	memset(buff, 0, sizeof(buff));
+
+	// this iterates over the "known hosts" db, usually /etc/hosts
+	ip_type hdb_res = hdb_get(&hl, (char*) name);
+	if(hdb_res.as_int != ip_type_invalid.as_int) {
+		data->resolved_addr = hdb_res.as_int;
+		goto retname;
+	}
+	
+	data->resolved_addr = at_get_ip_for_host((char*) name, strlen(name)).as_int;
+	if(data->resolved_addr == (in_addr_t) ip_type_invalid.as_int) return NULL;
+
+	retname:
+
+	gethostbyname_data_setstring(data, (char*) name);
+	
+	PDEBUG("return hostent space\n");
+	
+	return &data->hostent_space;
+}
+
+struct addrinfo_data {
+	struct addrinfo addrinfo_space;
+	struct sockaddr sockaddr_space;
+	char addr_name[256];
+};
+
+void proxy_freeaddrinfo(struct addrinfo *res) {
+	PFUNC();
+	free(res);
+}
+
+#ifdef IS_MAC
+/* getservbyname on mac is using thread local storage, so we dont need mutex */
+static int getservbyname_r(const char* name, const char* proto, struct servent* result_buf, 
+			   char* buf, size_t buflen, struct servent** result) {
+	PFUNC();
+	struct servent *res;
+	int ret;
+	(void) buf; (void) buflen;
+	res = getservbyname(name, proto);
+	if(res) {
+		*result_buf = *res;
+		*result = result_buf;
+		ret = 0;
+	} else {
+		*result = NULL;
+		ret = ENOENT;
+	}
+	return ret;
+}
+#endif
+
+int proxy_getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res) {
+	struct gethostbyname_data ghdata;
+	struct addrinfo_data *space;
+	struct servent *se = NULL;
+	struct hostent *hp = NULL;
+	struct servent se_buf;
+	struct addrinfo *p;
+	char buf[1024];
+	int port;
+	PFUNC();
+
+//      printf("proxy_getaddrinfo node %s service %s\n",node,service);
+	space = calloc(1, sizeof(struct addrinfo_data));
+	if(!space) goto err1;
+	
+	if(node && !inet_aton(node, &((struct sockaddr_in *) &space->sockaddr_space)->sin_addr)) {
+		hp = proxy_gethostbyname(node, &ghdata);
+		if(hp)
+			memcpy(&((struct sockaddr_in *) &space->sockaddr_space)->sin_addr,
+			       *(hp->h_addr_list), sizeof(in_addr_t));
+		else
+			goto err2;
+	}
+	if(service) getservbyname_r(service, NULL, &se_buf, buf, sizeof(buf), &se);
+
+	port = se ? se->s_port : htons(atoi(service ? service : "0"));
+	((struct sockaddr_in *) &space->sockaddr_space)->sin_port = port;
+
+	*res = p = &space->addrinfo_space;
+	assert((size_t)p == (size_t) space);
+	
+	p->ai_addr = &space->sockaddr_space;
+	if(node)
+		strncpy(space->addr_name, node, sizeof(space->addr_name));
+	p->ai_canonname = space->addr_name;
+	p->ai_next = NULL;
+	p->ai_family = space->sockaddr_space.sa_family = AF_INET;
+	p->ai_addrlen = sizeof(space->sockaddr_space);
+
+	if(hints) {
+		p->ai_socktype = hints->ai_socktype;
+		p->ai_flags = hints->ai_flags;
+		p->ai_protocol = hints->ai_protocol;
+	} else {
+		p->ai_flags = (AI_V4MAPPED | AI_ADDRCONFIG);
+	}
+	
+	goto out;
+	err2:
+	free(space);
+	err1:
+	return 1;
+	out:
+	return 0;
+}

src/core.h

@@ -0,0 +1,128 @@
+/***************************************************************************
+                          core.h  -  description
+                             -------------------
+    begin                : Tue May 14 2002
+    copyright          :  netcreature (C) 2002
+    email                 : netcreature@users.sourceforge.net
+ ***************************************************************************
+ ***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <unistd.h>
+#include <stdint.h>
+#include <netinet/in.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+
+#ifndef __CORE_HEADER
+#define __CORE_HEADER
+#define BUFF_SIZE 8*1024  // used to read responses from proxies.
+#define     MAX_LOCALNET 64
+
+#include "ip_type.h"
+
+/*error codes*/
+typedef enum {
+	SUCCESS=0,
+	MEMORY_FAIL,        // malloc failed
+	SOCKET_ERROR,  // look errno for more
+	CHAIN_DOWN,    // no proxy in chain responds to tcp
+	CHAIN_EMPTY,   //  if proxy_count = 0
+	BLOCKED  //  target's port blocked on last proxy in the chain
+} ERR_CODE;
+
+typedef enum {
+	HTTP_TYPE,
+	SOCKS4_TYPE,
+	SOCKS5_TYPE
+} proxy_type;
+
+typedef enum {
+	DYNAMIC_TYPE,
+	STRICT_TYPE,
+	RANDOM_TYPE}
+chain_type;
+
+typedef enum {
+	PLAY_STATE,
+	DOWN_STATE,
+	BLOCKED_STATE,
+	BUSY_STATE
+} proxy_state;
+
+typedef enum {
+	RANDOMLY,
+	FIFOLY
+} select_type;
+
+typedef struct {
+	struct in_addr in_addr, netmask;
+	unsigned short port;
+} localaddr_arg;
+
+typedef struct {
+	ip_type ip;
+	unsigned short port;
+	proxy_type pt;
+	proxy_state ps;
+	char user[256];
+	char pass[256];
+} proxy_data;
+
+int connect_proxy_chain (int sock, ip_type target_ip, unsigned short target_port,
+			 proxy_data * pd, unsigned int proxy_count, chain_type ct,
+			 unsigned int max_chain );
+
+void proxychains_write_log(char *str, ...);
+
+typedef int (*close_t)(int);
+typedef int (*connect_t)(int, const struct sockaddr *, socklen_t);
+typedef struct hostent* (*gethostbyname_t)(const char *);
+typedef int (*freeaddrinfo_t)(struct addrinfo *);
+typedef struct hostent *(*gethostbyaddr_t) (const void *, socklen_t, int);
+
+typedef int (*getaddrinfo_t)(const char *, const char *, const struct addrinfo *, 
+			     struct addrinfo **);
+
+typedef int (*getnameinfo_t) (const struct sockaddr *, socklen_t, char *, 
+			      socklen_t, char *, socklen_t, int);
+
+
+extern connect_t true_connect;
+extern gethostbyname_t true_gethostbyname;
+extern getaddrinfo_t true_getaddrinfo;
+extern freeaddrinfo_t true_freeaddrinfo;
+extern getnameinfo_t true_getnameinfo;
+extern gethostbyaddr_t true_gethostbyaddr;
+
+struct gethostbyname_data {
+	struct hostent hostent_space;
+	in_addr_t resolved_addr;
+	char *resolved_addr_p[2];
+	char addr_name[1024 * 8];
+};
+
+struct hostent* proxy_gethostbyname(const char *name, struct gethostbyname_data *data);
+
+int proxy_getaddrinfo(const char *node, const char *service, 
+		      const struct addrinfo *hints, struct addrinfo **res);
+void proxy_freeaddrinfo(struct addrinfo *res);
+
+void core_initialize(void);
+void core_unload(void);
+
+#include "debug.h"
+
+#endif
+
+//RcB: DEP "core.c"
+//RcB: DEP "libproxychains.c"
+//RcB: LINK "-Wl,--no-as-needed -ldl -lpthread"
+

src/debug.h

@@ -0,0 +1,14 @@
+#ifndef DEBUG_H
+#define DEBUG_H
+
+#ifdef DEBUG
+# include <stdio.h>
+# define PDEBUG(fmt, args...) do { dprintf(2,"DEBUG:"fmt, ## args); } while(0)
+#else
+# define PDEBUG(fmt, args...) do {} while (0)
+#endif
+
+# define PFUNC() do { PDEBUG("pid[%d]:%s\n", getpid(), __FUNCTION__); } while(0)
+
+#endif
+

src/hash.c

@@ -0,0 +1,12 @@
+#include "hash.h"
+
+/* dalias' version of the elf hash */
+uint32_t dalias_hash(char *s0) {
+	unsigned char *s = (void *) s0;
+	uint_fast32_t h = 0;
+	while(*s) {
+		h = 16 * h + *s++;
+		h ^= h >> 24 & 0xf0;
+	}
+	return h & 0xfffffff;
+}

src/hash.h

@@ -0,0 +1,10 @@
+#ifndef HASH_H
+#define HASH_H
+
+#include <stdint.h>
+
+uint32_t dalias_hash(char *s0);
+
+//RcB: DEP "hash.c"
+
+#endif

src/hostentdb.c

@@ -0,0 +1,63 @@
+#include <stdint.h>
+#include <string.h>
+#include <netdb.h>
+#include <stdlib.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+
+#include "ip_type.h"
+#include "hash.h"
+#include "stringdump.h"
+#include "hostentdb.h"
+#include "common.h"
+#include "debug.h"
+
+#define STEP 16
+static void hdb_add(struct hostent_list* hl, char* host, ip_type ip) {
+	if(hl->count +1 > hl->capa) {
+		void * nu = realloc(hl->entries, (hl->capa + STEP) * sizeof(struct hostent_entry));
+		if(!nu) return;
+		hl->entries = nu;
+		hl->capa += STEP;
+	}
+	struct hostent_entry *h = &hl->entries[hl->count];
+	h->hash = dalias_hash(host);
+	h->ip.as_int = ip.as_int;
+	h->str = dumpstring(host, strlen(host) + 1); 
+	if(h->str) hl->count++;
+}
+
+static void hdb_fill(struct hostent_list *hl) {
+#ifndef IS_BSD
+	struct hostent* hp;
+	while((hp = gethostent()))
+		if(hp->h_addrtype == AF_INET && hp->h_length == sizeof(in_addr_t)) {
+			hdb_add(hl, hp->h_name, (ip_type) { .as_int = *((in_addr_t*)(hp->h_addr_list[0])) });
+		}
+#else
+	/* FreeBSD hangs on gethostent(). since this feature is not crucial, we just do nothing */
+	(void) hl;
+#endif
+}
+
+void hdb_init(struct hostent_list *hl) {
+	memset(hl, 0, sizeof *hl);
+	hdb_fill(hl);
+}
+
+ip_type hdb_get(struct hostent_list *hl, char* host) {
+	size_t i;
+	PFUNC();
+	uint32_t hash = dalias_hash(host);
+	for(i = 0; i < hl->count; i++) {
+		if(hl->entries[i].hash == hash && !strcmp(hl->entries[i].str, host)) {
+		#ifdef DEBUG
+			char ipbuf[16];
+			pc_stringfromipv4(hl->entries[i].ip.octet, ipbuf);
+			PDEBUG("got ip %s for hostent entry %s\n", ipbuf, host);
+		#endif
+			return hl->entries[i].ip;
+		}
+	}
+	return ip_type_invalid;
+}

src/hostentdb.h

@@ -0,0 +1,23 @@
+#ifndef HOSTENTDB_H
+#define HOSTENTDB_H
+
+#include "ip_type.h"
+#include <unistd.h>
+
+struct hostent_entry {
+	uint32_t hash;
+	ip_type ip;
+	char* str;
+};
+
+struct hostent_list {
+	size_t count;
+	size_t capa;
+	struct hostent_entry *entries;
+};
+
+void hdb_init(struct hostent_list *hl);
+ip_type hdb_get(struct hostent_list *hl, char* host);
+
+//RcB: DEP "hostendb.c"
+#endif

src/ip_type.c

@@ -0,0 +1,5 @@
+#include "ip_type.h"
+
+const ip_type ip_type_invalid = { .as_int = -1 };
+const ip_type ip_type_localhost = { {127, 0, 0, 1} };
+

src/ip_type.h

@@ -0,0 +1,15 @@
+#ifndef IP_TYPE_H
+#define IP_TYPE_H
+
+#include <stdint.h>
+
+typedef union {
+	unsigned char octet[4];
+	uint32_t as_int;
+} ip_type;
+
+extern const ip_type ip_type_invalid;
+extern const ip_type ip_type_localhost;
+
+//RcB: DEP "ip_type.c"
+#endif

src/libproxychains.c

@@ -0,0 +1,465 @@
+/***************************************************************************
+                          libproxychains.c  -  description
+                             -------------------
+    begin                : Tue May 14 2002
+    copyright          :  netcreature (C) 2002
+    email                 : netcreature@users.sourceforge.net
+ ***************************************************************************/
+ /*     GPL */
+/***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#undef _GNU_SOURCE
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+#include <netdb.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <fcntl.h>
+#include <dlfcn.h>
+#include <pthread.h>
+
+
+#include "core.h"
+#include "common.h"
+
+#define     satosin(x)      ((struct sockaddr_in *) &(x))
+#define     SOCKADDR(x)     (satosin(x)->sin_addr.s_addr)
+#define     SOCKADDR_2(x)     (satosin(x)->sin_addr)
+#define     SOCKPORT(x)     (satosin(x)->sin_port)
+#define     SOCKFAMILY(x)     (satosin(x)->sin_family)
+#define     MAX_CHAIN 512
+
+close_t true_close;
+connect_t true_connect;
+gethostbyname_t true_gethostbyname;
+getaddrinfo_t true_getaddrinfo;
+freeaddrinfo_t true_freeaddrinfo;
+getnameinfo_t true_getnameinfo;
+gethostbyaddr_t true_gethostbyaddr;
+
+int tcp_read_time_out;
+int tcp_connect_time_out;
+chain_type proxychains_ct;
+proxy_data proxychains_pd[MAX_CHAIN];
+unsigned int proxychains_proxy_count = 0;
+int proxychains_got_chain_data = 0;
+unsigned int proxychains_max_chain = 1;
+int proxychains_quiet_mode = 0;
+int proxychains_resolver = 0;
+localaddr_arg localnet_addr[MAX_LOCALNET];
+size_t num_localnet_addr = 0;
+unsigned int remote_dns_subnet = 224;
+
+pthread_once_t init_once = PTHREAD_ONCE_INIT;
+
+static int init_l = 0;
+
+static inline void get_chain_data(proxy_data * pd, unsigned int *proxy_count, chain_type * ct);
+
+static void* load_sym(char* symname, void* proxyfunc) {
+
+	void *funcptr = dlsym(RTLD_NEXT, symname);
+	
+	if(!funcptr) {
+		fprintf(stderr, "Cannot load symbol '%s' %s\n", symname, dlerror());
+		exit(1);
+	} else {
+		PDEBUG("loaded symbol '%s'" " real addr %p  wrapped addr %p\n", symname, funcptr, proxyfunc);
+	}
+	if(funcptr == proxyfunc) {
+		PDEBUG("circular reference detected, aborting!\n");
+		abort();
+	}
+	return funcptr;
+}
+
+#define INIT() init_lib_wrapper(__FUNCTION__)
+
+#define SETUP_SYM(X) do { true_ ## X = load_sym( # X, X ); } while(0)
+
+#include "shm.h"
+#include "allocator_thread.h"
+#include "stringdump.h"
+
+static void do_init(void) {
+	srand(time(NULL));
+	dumpstring_init(); // global string garbage can
+	core_initialize();
+	at_init();
+	
+	/* read the config file */
+	get_chain_data(proxychains_pd, &proxychains_proxy_count, &proxychains_ct);
+
+	proxychains_write_log(LOG_PREFIX "DLL init\n");
+	
+	SETUP_SYM(connect);
+	SETUP_SYM(gethostbyname);
+	SETUP_SYM(getaddrinfo);
+	SETUP_SYM(freeaddrinfo);
+	SETUP_SYM(gethostbyaddr);
+	SETUP_SYM(getnameinfo);
+	SETUP_SYM(close);
+	
+	init_l = 1;
+}
+
+#if 0
+/* FIXME this is currently unused.
+ * it is not strictly needed.
+ * maybe let it be called by a gcc destructor, if that doesnt
+ * have negative consequences (e.g. when a child calles exit) */
+static void unload(void) {
+	at_close();
+	core_unload();
+}
+#endif
+
+static void init_lib_wrapper(const char* caller) {
+#ifndef DEBUG
+	(void) caller;
+#endif
+	if(!init_l) PDEBUG("%s called from %s\n", __FUNCTION__,  caller);
+	pthread_once(&init_once, do_init);
+}
+
+/* if we use gcc >= 3, we can instruct the dynamic loader 
+ * to call init_lib at link time. otherwise it gets loaded
+ * lazily, which has the disadvantage that there's a potential
+ * race condition if 2 threads call it before init_l is set 
+ * and PTHREAD support was disabled */
+#if __GNUC__ > 2
+__attribute__((constructor))
+static void gcc_init(void) {
+	INIT();
+}
+#endif
+
+/* get configuration from config file */
+static void get_chain_data(proxy_data * pd, unsigned int *proxy_count, chain_type * ct) {
+	int count = 0, port_n = 0, list = 0;
+	char buff[1024], type[1024], host[1024], user[1024];
+	char *env;
+	char local_in_addr_port[32];
+	char local_in_addr[32], local_in_port[32], local_netmask[32];
+	FILE *file = NULL;
+
+	if(proxychains_got_chain_data)
+		return;
+
+	//Some defaults
+	tcp_read_time_out = 4 * 1000;
+	tcp_connect_time_out = 10 * 1000;
+	*ct = DYNAMIC_TYPE;
+	
+	env = get_config_path(getenv(PROXYCHAINS_CONF_FILE_ENV_VAR), buff, sizeof(buff));
+	if( ( file = fopen(env, "r") ) == NULL )
+	{
+	        perror("couldnt read configuration file");
+        	exit(1);
+	}
+
+	env = getenv(PROXYCHAINS_QUIET_MODE_ENV_VAR);
+	if(env && *env == '1')
+		proxychains_quiet_mode = 1;
+
+	while(fgets(buff, sizeof(buff), file)) {
+		if(buff[0] != '\n' && buff[strspn(buff, " ")] != '#') {
+			/* proxylist has to come last */
+			if(list) {
+				if(count >= MAX_CHAIN)
+					break;
+				
+				memset(&pd[count], 0, sizeof(proxy_data));
+
+				pd[count].ps = PLAY_STATE;
+				port_n = 0;
+
+				sscanf(buff, "%s %s %d %s %s", type, host, &port_n, pd[count].user, pd[count].pass);
+
+				in_addr_t host_ip = inet_addr(host);
+				if(host_ip == INADDR_NONE) {
+					fprintf(stderr, "proxy %s has invalid value or is not numeric\n", host);
+					exit(1);
+				}
+				pd[count].ip.as_int = (uint32_t) host_ip;
+				pd[count].port = htons((unsigned short) port_n);
+
+				if(!strcmp(type, "http")) {
+					pd[count].pt = HTTP_TYPE;
+				} else if(!strcmp(type, "socks4")) {
+					pd[count].pt = SOCKS4_TYPE;
+				} else if(!strcmp(type, "socks5")) {
+					pd[count].pt = SOCKS5_TYPE;
+				} else
+					continue;
+
+				if(pd[count].ip.as_int && port_n && pd[count].ip.as_int != (uint32_t) - 1)
+					count++;
+			} else {
+				if(strstr(buff, "[ProxyList]")) {
+					list = 1;
+				} else if(strstr(buff, "random_chain")) {
+					*ct = RANDOM_TYPE;
+				} else if(strstr(buff, "strict_chain")) {
+					*ct = STRICT_TYPE;
+				} else if(strstr(buff, "dynamic_chain")) {
+					*ct = DYNAMIC_TYPE;
+				} else if(strstr(buff, "tcp_read_time_out")) {
+					sscanf(buff, "%s %d", user, &tcp_read_time_out);
+				} else if(strstr(buff, "tcp_connect_time_out")) {
+					sscanf(buff, "%s %d", user, &tcp_connect_time_out);
+				} else if(strstr(buff, "remote_dns_subnet")) {
+					sscanf(buff, "%s %d", user, &remote_dns_subnet);
+					if(remote_dns_subnet >= 256) {
+						fprintf(stderr,
+							"remote_dns_subnet: invalid value. requires a number between 0 and 255.\n");
+						exit(1);
+					}
+				} else if(strstr(buff, "localnet")) {
+					if(sscanf(buff, "%s %21[^/]/%15s", user, local_in_addr_port, local_netmask) < 3) {
+						fprintf(stderr, "localnet format error");
+						exit(1);
+					}
+					/* clean previously used buffer */
+					memset(local_in_port, 0, sizeof(local_in_port) / sizeof(local_in_port[0]));
+
+					if(sscanf(local_in_addr_port, "%15[^:]:%5s", local_in_addr, local_in_port) < 2) {
+						PDEBUG("added localnet: netaddr=%s, netmask=%s\n",
+						       local_in_addr, local_netmask);
+					} else {
+						PDEBUG("added localnet: netaddr=%s, port=%s, netmask=%s\n",
+						       local_in_addr, local_in_port, local_netmask);
+					}
+					if(num_localnet_addr < MAX_LOCALNET) {
+						int error;
+						error =
+						    inet_pton(AF_INET, local_in_addr,
+							      &localnet_addr[num_localnet_addr].in_addr);
+						if(error <= 0) {
+							fprintf(stderr, "localnet address error\n");
+							exit(1);
+						}
+						error =
+						    inet_pton(AF_INET, local_netmask,
+							      &localnet_addr[num_localnet_addr].netmask);
+						if(error <= 0) {
+							fprintf(stderr, "localnet netmask error\n");
+							exit(1);
+						}
+						if(local_in_port[0]) {
+							localnet_addr[num_localnet_addr].port =
+							    (short) atoi(local_in_port);
+						} else {
+							localnet_addr[num_localnet_addr].port = 0;
+						}
+						++num_localnet_addr;
+					} else {
+						fprintf(stderr, "# of localnet exceed %d.\n", MAX_LOCALNET);
+					}
+				} else if(strstr(buff, "chain_len")) {
+					char *pc;
+					int len;
+					pc = strchr(buff, '=');
+					len = atoi(++pc);
+					proxychains_max_chain = (len ? len : 1);
+				} else if(strstr(buff, "quiet_mode")) {
+					proxychains_quiet_mode = 1;
+				} else if(strstr(buff, "proxy_dns")) {
+					proxychains_resolver = 1;
+				}
+			}
+		}
+	}
+	fclose(file);
+	*proxy_count = count;
+	proxychains_got_chain_data = 1;
+}
+
+/*******  HOOK FUNCTIONS  *******/
+
+int close(int fd) {
+	/* prevent rude programs (like ssh) from closing our pipes */
+	if(fd != req_pipefd[0]  && fd != req_pipefd[1] &&
+	   fd != resp_pipefd[0] && fd != resp_pipefd[1]) {
+		return true_close(fd);
+	}
+	errno = EINTR;
+	return -1;
+}
+
+int connect(int sock, const struct sockaddr *addr, unsigned int len) {
+	PFUNC();
+	int socktype = 0, flags = 0, ret = 0;
+	socklen_t optlen = 0;
+	ip_type dest_ip;
+#ifdef DEBUG
+	char str[256];
+#endif
+	struct in_addr *p_addr_in;
+	unsigned short port;
+	size_t i;
+	int remote_dns_connect = 0;
+	INIT();
+	optlen = sizeof(socktype);
+	getsockopt(sock, SOL_SOCKET, SO_TYPE, &socktype, &optlen);
+	if(!(SOCKFAMILY(*addr) == AF_INET && socktype == SOCK_STREAM))
+		return true_connect(sock, addr, len);
+
+	p_addr_in = &((struct sockaddr_in *) addr)->sin_addr;
+	port = ntohs(((struct sockaddr_in *) addr)->sin_port);
+
+#ifdef DEBUG
+//      PDEBUG("localnet: %s; ", inet_ntop(AF_INET,&in_addr_localnet, str, sizeof(str)));
+//      PDEBUG("netmask: %s; " , inet_ntop(AF_INET, &in_addr_netmask, str, sizeof(str)));
+	PDEBUG("target: %s\n", inet_ntop(AF_INET, p_addr_in, str, sizeof(str)));
+	PDEBUG("port: %d\n", port);
+#endif
+
+	// check if connect called from proxydns
+        remote_dns_connect = (ntohl(p_addr_in->s_addr) >> 24 == remote_dns_subnet);
+
+	for(i = 0; i < num_localnet_addr && !remote_dns_connect; i++) {
+		if((localnet_addr[i].in_addr.s_addr & localnet_addr[i].netmask.s_addr)
+		   == (p_addr_in->s_addr & localnet_addr[i].netmask.s_addr)) {
+			if(!localnet_addr[i].port || localnet_addr[i].port == port) {
+				PDEBUG("accessing localnet using true_connect\n");
+				return true_connect(sock, addr, len);
+			}
+		}
+	}
+
+	flags = fcntl(sock, F_GETFL, 0);
+	if(flags & O_NONBLOCK)
+		fcntl(sock, F_SETFL, !O_NONBLOCK);
+
+	dest_ip.as_int = SOCKADDR(*addr);
+
+	ret = connect_proxy_chain(sock,
+				  dest_ip,
+				  SOCKPORT(*addr),
+				  proxychains_pd, proxychains_proxy_count, proxychains_ct, proxychains_max_chain);
+
+	fcntl(sock, F_SETFL, flags);
+	if(ret != SUCCESS)
+		errno = ECONNREFUSED;
+	return ret;
+}
+
+static struct gethostbyname_data ghbndata;
+struct hostent *gethostbyname(const char *name) {
+	INIT();
+
+	PDEBUG("gethostbyname: %s\n", name);
+
+	if(proxychains_resolver)
+		return proxy_gethostbyname(name, &ghbndata);
+	else
+		return true_gethostbyname(name);
+
+	return NULL;
+}
+
+int getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res) {
+	int ret = 0;
+
+	INIT();
+
+	PDEBUG("getaddrinfo: %s %s\n", node ? node : "null", service ? service : "null");
+
+	if(proxychains_resolver)
+		ret = proxy_getaddrinfo(node, service, hints, res);
+	else
+		ret = true_getaddrinfo(node, service, hints, res);
+
+	return ret;
+}
+
+void freeaddrinfo(struct addrinfo *res) {
+	INIT();
+
+	PDEBUG("freeaddrinfo %p \n", res);
+
+	if(!proxychains_resolver)
+		true_freeaddrinfo(res);
+	else
+		proxy_freeaddrinfo(res);
+	return;
+}
+
+int pc_getnameinfo(const struct sockaddr *sa, socklen_t salen, 
+	           char *host, socklen_t hostlen, char *serv, 
+	           socklen_t servlen, int flags)
+{
+	char ip_buf[16];
+	int ret = 0;
+
+	INIT();
+	
+	PFUNC();
+
+	if(!proxychains_resolver) {
+		ret = true_getnameinfo(sa, salen, host, hostlen, serv, servlen, flags);
+	} else {
+		if(salen < sizeof(struct sockaddr_in) || SOCKFAMILY(*sa) != AF_INET)
+			return EAI_FAMILY;
+		if(hostlen) {
+			pc_stringfromipv4((unsigned char*) &(SOCKADDR_2(*sa)), ip_buf);
+			if(snprintf(host, hostlen, "%s", ip_buf) >= hostlen)
+				return EAI_OVERFLOW;
+		}
+		if(servlen) {
+			if(snprintf(serv, servlen, "%d", ntohs(SOCKPORT(*sa))) >= servlen)
+				return EAI_OVERFLOW;
+		}
+	}
+	return ret;
+}
+
+struct hostent *gethostbyaddr(const void *addr, socklen_t len, int type) {
+	static char buf[16];
+	static char ipv4[4];
+	static char *list[2];
+	static char *aliases[1];
+	static struct hostent he;
+
+	INIT();
+
+	PDEBUG("TODO: proper gethostbyaddr hook\n");
+
+	if(!proxychains_resolver)
+		return true_gethostbyaddr(addr, len, type);
+	else {
+
+		PDEBUG("len %u\n", len);
+		if(len != 4)
+			return NULL;
+		he.h_name = buf;
+		memcpy(ipv4, addr, 4);
+		list[0] = ipv4;
+		list[1] = NULL;
+		he.h_addr_list = list;
+		he.h_addrtype = AF_INET;
+		aliases[0] = NULL;
+		he.h_aliases = aliases;
+		he.h_length = 4;
+		pc_stringfromipv4((unsigned char *) addr, buf);
+		return &he;
+	}
+	return NULL;
+}

src/main.c

@@ -0,0 +1,137 @@
+/*   (C) 2011, 2012 rofl0r
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200809L
+#undef _XOPEN_SOURCE
+#define _XOPEN_SOURCE 700
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "common.h"
+
+static int usage(char **argv) {
+	printf("\nUsage:\t%s -q -f config_file program_name [arguments]\n"
+	       "\t-q makes proxychains quiet - this overrides the config setting\n"
+	       "\t-f allows to manually specify a configfile to use\n"
+	       "\tfor example : proxychains telnet somehost.com\n" "More help in README file\n\n", argv[0]);
+	return EXIT_FAILURE;
+}
+
+static const char *dll_name = DLL_NAME;
+
+static char own_dir[256];
+static const char *dll_dirs[] = {
+	".",
+	own_dir,
+	LIB_DIR,
+	"/lib",
+	"/usr/lib",
+	"/usr/local/lib",
+	"/lib64",
+	NULL
+};
+
+static void set_own_dir(const char *argv0) {
+	size_t l = strlen(argv0);
+	while(l && argv0[l - 1] != '/')
+		l--;
+	if(l == 0)
+		memcpy(own_dir, ".", 2);
+	else {
+		memcpy(own_dir, argv0, l - 1);
+		own_dir[l] = 0;
+	}
+}
+
+#define MAX_COMMANDLINE_FLAGS 2
+
+int main(int argc, char *argv[]) {
+	char *path = NULL;
+	char buf[256];
+	char pbuf[256];
+	int start_argv = 1;
+	int quiet = 0;
+	size_t i;
+	const char *prefix = NULL;
+
+	for(i = 0; i < MAX_COMMANDLINE_FLAGS; i++) {
+		if(start_argv < argc && argv[start_argv][0] == '-') {
+			if(argv[start_argv][1] == 'q') {
+				quiet = 1;
+				start_argv++;
+			} else if(argv[start_argv][1] == 'f') {
+
+				if(start_argv + 1 < argc)
+					path = argv[start_argv + 1];
+				else
+					return usage(argv);
+
+				start_argv += 2;
+			}
+		} else
+			break;
+	}
+
+	if(start_argv >= argc)
+		return usage(argv);
+
+	/* check if path of config file has not been passed via command line */
+	path = get_config_path(path, pbuf, sizeof(pbuf));
+	
+	if(!quiet)
+		fprintf(stderr, LOG_PREFIX "config file found: %s\n", path);
+
+	/* Set PROXYCHAINS_CONF_FILE to get proxychains lib to use new config file. */
+	setenv(PROXYCHAINS_CONF_FILE_ENV_VAR, path, 1);
+
+	if(quiet)
+		setenv(PROXYCHAINS_QUIET_MODE_ENV_VAR, "1", 1);
+
+
+	// search DLL
+
+	set_own_dir(argv[0]);
+	
+	i = 0;
+
+	while(dll_dirs[i]) {
+		snprintf(buf, sizeof(buf), "%s/%s", dll_dirs[i], dll_name);
+		if(access(buf, R_OK) != -1) {
+			prefix = dll_dirs[i];
+			break;
+		}
+		i++;
+	}
+
+	if(!prefix) {
+		fprintf(stderr, "couldnt locate %s\n", dll_name);
+		return EXIT_FAILURE;
+	}
+	if(!quiet)
+		fprintf(stderr, LOG_PREFIX "preloading %s/%s\n", prefix, dll_name);
+
+#ifndef IS_MAC
+	snprintf(buf, sizeof(buf), "LD_PRELOAD=%s/%s", prefix, dll_name);
+	putenv(buf);
+#else
+	snprintf(buf, sizeof(buf), "DYLD_INSERT_LIBRARIES=%s/%s", prefix, dll_name);
+	putenv(buf);
+	putenv("DYLD_FORCE_FLAT_NAMESPACE=1");
+#endif
+	execvp(argv[start_argv], &argv[start_argv]);
+	perror("proxychains can't load process....");
+
+	return EXIT_FAILURE;
+}

src/mutex.h

@@ -0,0 +1,10 @@
+#ifndef MUTEX_H
+#define MUTEX_H
+
+#include <pthread.h>
+# define MUTEX_LOCK(x) pthread_mutex_lock(x)
+# define MUTEX_UNLOCK(x) pthread_mutex_unlock(x)
+# define MUTEX_INIT(x) pthread_mutex_init(x, NULL)
+# define MUTEX_DESTROY(x) pthread_mutex_destroy(x)
+
+#endif

src/nameinfo.c

@@ -0,0 +1,13 @@
+#include <sys/socket.h>
+
+extern int pc_getnameinfo(const void *sa, socklen_t salen, 
+                   char *host, socklen_t hostlen, char *serv, 
+                   socklen_t servlen, int flags);
+
+
+int getnameinfo(const void *sa, socklen_t salen, 
+                   char *host, socklen_t hostlen, char *serv, 
+                   socklen_t servlen, int flags) {
+	return pc_getnameinfo(sa, salen, host, hostlen, serv, servlen, flags);
+}
+

src/proxychains.conf

@@ -0,0 +1,102 @@
+# proxychains.conf  VER 4.x
+#
+#        HTTP, SOCKS4a, SOCKS5 tunneling proxifier with DNS.
+
+
+# The option below identifies how the ProxyList is treated.
+# only one option should be uncommented at time,
+# otherwise the last appearing option will be accepted
+#
+#dynamic_chain
+#
+# Dynamic - Each connection will be done via chained proxies
+# all proxies chained in the order as they appear in the list
+# at least one proxy must be online to play in chain
+# (dead proxies are skipped)
+# otherwise EINTR is returned to the app
+#
+strict_chain
+#
+# Strict - Each connection will be done via chained proxies
+# all proxies chained in the order as they appear in the list
+# all proxies must be online to play in chain
+# otherwise EINTR is returned to the app
+#
+#random_chain
+#
+# Random - Each connection will be done via random proxy
+# (or proxy chain, see  chain_len) from the list.
+# this option is good to test your IDS :)
+
+# Make sense only if random_chain
+#chain_len = 2
+
+# Quiet mode (no output from library)
+#quiet_mode
+
+# Proxy DNS requests - no leak for DNS data
+proxy_dns 
+
+# set the class A subnet number to use for the internal remote DNS mapping
+# we use the reserved 224.x.x.x range by default,
+# if the proxified app does a DNS request, we will return an IP from that range.
+# on further accesses to this ip we will send the saved DNS name to the proxy.
+# in case some control-freak app checks the returned ip, and denies to 
+# connect, you can use another subnet, e.g. 10.x.x.x or 127.x.x.x.
+# of course you should make sure that the proxified app does not need
+# *real* access to this subnet. 
+# i.e. dont use the same subnet then in the localnet section
+#remote_dns_subnet 127 
+#remote_dns_subnet 10
+remote_dns_subnet 224
+
+# Some timeouts in milliseconds
+tcp_read_time_out 15000
+tcp_connect_time_out 8000
+
+### Examples for localnet exclusion
+## localnet ranges will *not* use a proxy to connect.
+## Exclude connections to 192.168.1.0/24 with port 80
+# localnet 192.168.1.0:80/255.255.255.0
+
+## Exclude connections to 192.168.100.0/24
+# localnet 192.168.100.0/255.255.255.0
+
+## Exclude connections to ANYwhere with port 80
+# localnet 0.0.0.0:80/0.0.0.0
+
+## RFC5735 Loopback address range
+## if you enable this, you have to make sure remote_dns_subnet is not 127
+## you'll need to enable it if you want to use an application that 
+## connects to localhost.
+# localnet 127.0.0.0/255.0.0.0
+
+## RFC1918 Private Address Ranges
+# localnet 10.0.0.0/255.0.0.0
+# localnet 172.16.0.0/255.240.0.0
+# localnet 192.168.0.0/255.255.0.0
+
+# ProxyList format
+#       type  ip  port [user pass]
+#       (values separated by 'tab' or 'blank')
+#
+#       only numeric ipv4 addresses are valid
+#
+#
+#        Examples:
+#
+#            	socks5	192.168.67.78	1080	lamer	secret
+#		http	192.168.89.3	8080	justu	hidden
+#	 	socks4	192.168.1.49	1080
+#	        http	192.168.39.93	8080	
+#		
+#
+#       proxy types: http, socks4, socks5
+#        ( auth types supported: "basic"-http  "user/pass"-socks )
+#
+[ProxyList]
+# add proxy here ...
+# meanwile
+# defaults set to "tor"
+socks4 	127.0.0.1 9050
+

src/proxyresolv

@@ -0,0 +1,18 @@
+#!/bin/sh
+# This is a legacy script that uses "dig" to do DNS lookups via TCP.
+# it is not actively maintained since proxychains no longer depends
+# on it. i leave it here as a bonus.
+
+# DNS server used to resolve names
+DNS_SERVER=8.8.8.8
+
+
+if [ $# = 0 ] ; then
+	echo "	usage:"
+	echo "		proxyresolv <hostname> "
+	exit
+fi
+
+
+export LD_PRELOAD=libproxychains4.so
+dig $1 @$DNS_SERVER +tcp | awk '/A.?[0-9]+\.[0-9]+\.[0-9]/{print $5;}'

src/shm.c

@@ -0,0 +1,53 @@
+#include <assert.h>
+#include <string.h>
+#include <limits.h>
+#include <string.h>
+#include <stdlib.h>
+#ifndef PAGE_SIZE
+#define PAGE_SIZE 4096
+#endif
+#include "shm.h"
+#include "debug.h"
+
+#if 0
+#include <sys/mman.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+
+/* allocates shared memory which can be accessed from the parent and its childs */
+void *shm_realloc(void* old, size_t old_size, size_t new_size) {
+	//PFUNC();
+	void *nu = mmap(NULL, new_size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+	if(old) {
+		if(!nu) return NULL;
+		assert(new_size >= old_size);
+		memcpy(nu, old, old_size);
+		munmap(old, old_size);
+	}
+	return nu;
+}
+#endif
+
+void stringpool_init(struct stringpool* sp) {
+	PFUNC();
+	memset(sp, 0, sizeof *sp);
+}
+
+char* stringpool_add(struct stringpool *sp, char* s, size_t len) {
+	//PFUNC();
+	if(len > sp->alloced - sp->used) {
+		size_t newsz = sp->used + len;
+		size_t inc = PAGE_SIZE - (newsz % PAGE_SIZE);
+		newsz += (inc == PAGE_SIZE) ? 0 : inc;
+		void* p = realloc(sp->start, newsz);
+		if(p) {
+			sp->start = p;
+			sp->alloced = newsz;
+		} else 
+			return 0;
+	}
+	char* ret = sp->start + sp->used;
+	memcpy(ret, s, len);
+	sp->used += len;
+	return ret;
+}

src/shm.h

@@ -0,0 +1,17 @@
+#ifndef SHM_H
+#define SHM_H
+#include <unistd.h>
+
+struct stringpool {
+	size_t alloced;
+	size_t used;
+	char* start;
+};
+
+void stringpool_init(struct stringpool* sp);
+char* stringpool_add(struct stringpool *sp, char* s, size_t len);
+#if 0
+void *shm_realloc(void* old, size_t old_size, size_t new_size);
+#endif
+//RcB: DEP "shm.c"
+#endif

src/stringdump.c

@@ -0,0 +1,13 @@
+#include "stringdump.h"
+#include "debug.h"
+
+struct stringpool mem;
+
+char *dumpstring(char* s, size_t len) {
+	PFUNC();
+	return stringpool_add(&mem, s, len);
+}
+
+void dumpstring_init(void) {
+	stringpool_init(&mem);
+}

src/stringdump.h

@@ -0,0 +1,12 @@
+#ifndef STRINGDUMP_H
+#define STRINGDUMP_H
+
+#include "shm.h"
+#include <unistd.h>
+
+char *dumpstring(char* s, size_t len);
+void dumpstring_init(void);
+
+//RcB: DEP "stringdump.h"
+
+#endif

stamp-h.in

@@ -1 +0,0 @@
-timestamp

tests/test_getaddrinfo.c

@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+ 
+#ifndef   NI_MAXHOST
+#define   NI_MAXHOST 1025
+#endif
+ 
+int main(void) {
+	struct addrinfo *result;
+	struct addrinfo *res;
+	int error;
+	
+	/* resolve the domain name into a list of addresses */
+	error = getaddrinfo("www.example.com", NULL, NULL, &result);
+	if (error != 0)
+	{   
+		fprintf(stderr, "error in getaddrinfo: %s\n", gai_strerror(error));
+		return EXIT_FAILURE;
+	}   
+	
+	/* loop over all returned results and do inverse lookup */
+	for (res = result; res != NULL; res = res->ai_next)
+	{   
+		char hostname[NI_MAXHOST] = "";
+	
+		error = getnameinfo(res->ai_addr, res->ai_addrlen, hostname, NI_MAXHOST, NULL, 0, 0); 
+		if (error != 0)
+		{
+		fprintf(stderr, "error in getnameinfo: %s\n", gai_strerror(error));
+		continue;
+		}
+		if (*hostname != '\0')
+		printf("hostname: %s\n", hostname);
+	}   
+	
+	freeaddrinfo(result);
+	return EXIT_SUCCESS;
+}

tests/test_gethostent.c

@@ -0,0 +1,24 @@
+#include <netdb.h>
+#include <stdio.h>
+#include "../src/common.h"
+
+void printhostent(struct hostent *hp) {
+	char ipbuf[16];
+	pc_stringfromipv4(hp->h_addr_list[0], ipbuf);
+	printf("alias: %p, len: %d, name: %s, addrlist: %p, addrtype: %d, ip: %s\n", 
+		hp->h_aliases, 
+		hp->h_length,
+		hp->h_name,
+		hp->h_addr_list,
+		hp->h_addrtype,
+		ipbuf
+	);
+}
+
+int main(int argc, char** argv) {
+	struct hostent *hp;
+	while((hp = gethostent())) {
+		printhostent(hp);
+	}
+	return 0;
+}

tests/test_gethostent_r.c

@@ -0,0 +1,61 @@
+#include <netdb.h>
+#include <stdio.h>
+#include <errno.h>
+#include "../src/common.h"
+
+/*
+int gethostent_r( 
+        struct hostent *ret, char *buf, size_t buflen,
+        struct hostent **result, int *h_errnop);
+
+Glibc2 also has reentrant versions gethostent_r(), gethostbyaddr_r(),
+gethostbyname_r() and gethostbyname2_r(). 
+
+The caller supplies a hostent structure ret which will be filled in on success, 
+and a temporary work buffer buf of size buflen. 
+After the call, result will point to the result on success. 
+In case of an error or if no entry is found result will be NULL. 
+The functions return 0 on success and a nonzero error number on failure. 
+In addition to the errors returned by the nonreentrant versions of these functions, 
+if buf is too small, the functions will return ERANGE, and the call should be retried 
+with a larger buffer. 
+The global variable h_errno is not modified, but the address of a variable in which 
+to store error numbers is passed in h_errnop.
+*/
+
+void printhostent(struct hostent *hp) {
+	char ipbuf[16];
+	pc_stringfromipv4(hp->h_addr_list[0], ipbuf);
+	printf("alias: %p, len: %d, name: %s, addrlist: %p, addrtype: %d, ip: %s\n", 
+		hp->h_aliases, 
+		hp->h_length,
+		hp->h_name,
+		hp->h_addr_list,
+		hp->h_addrtype,
+		ipbuf
+	);
+}
+
+int main(int argc, char** argv) {
+	struct hostent he_buf;
+	struct hostent *he_res;
+	char h_buf[1024];
+	int ch_errno;
+	int ret;
+	do {
+		ret = gethostent_r(&he_buf, h_buf, sizeof(h_buf), &he_res, &ch_errno);
+		printf("ret: %d, h_errno: %d\n", ret, ch_errno);
+		if(ret != 0) {
+			errno = ret;
+			ret = -1;
+		}
+		if(ret == -1) {
+			perror("gethostent_r");
+			break;
+		}
+		if(he_res) {
+			printhostent(he_res);
+		}
+	} while (he_res);
+	return 0;
+}

tests/test_getnameinfo.c

@@ -0,0 +1,83 @@
+#include <netdb.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#define     satosin(x)      ((struct sockaddr_in *) &(x))
+#define     SOCKADDR(x)     (satosin(x)->sin_addr.s_addr)
+#define     SOCKADDR_2(x)     (satosin(x)->sin_addr)
+#define     SOCKPORT(x)     (satosin(x)->sin_port)
+#define     SOCKFAMILY(x)     (satosin(x)->sin_family)
+
+int main() {
+	struct sockaddr a = {0}, *sa = &a;
+	char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV];
+	SOCKPORT(a) = htons(80);
+	memcpy(  &( (struct sockaddr_in*) sa ) ->sin_addr   , (char[]) {127,0,0,1}, 4);
+
+	int ret;
+
+	if ((ret = getnameinfo(sa, 0, hbuf, sizeof(hbuf), sbuf,
+	    sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV)) == 0)
+		printf("host=%s, serv=%s\n", hbuf, sbuf);
+	else
+		printf("%s\n", gai_strerror(ret));
+
+	assert(ret == EAI_FAMILY);
+
+	if ((ret = getnameinfo(sa, sizeof a, hbuf, sizeof(hbuf), sbuf,
+	    sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV)) == 0)
+		printf("host=%s, serv=%s\n", hbuf, sbuf);
+	else
+		printf("%s\n", gai_strerror(ret));
+
+	assert(ret == EAI_FAMILY);
+
+	SOCKFAMILY(a) = AF_INET;
+
+	if ((ret = getnameinfo(sa, sizeof a, hbuf, 1, sbuf,
+	    sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV)) == 0)
+		printf("host=%s, serv=%s\n", hbuf, sbuf);
+	else
+		printf("%s\n", gai_strerror(ret));
+
+	assert(ret == EAI_OVERFLOW);
+
+	if ((ret = getnameinfo(sa, sizeof a, hbuf, 0, sbuf,
+	    1, NI_NUMERICHOST | NI_NUMERICSERV)) == 0)
+		printf("host=%s, serv=%s\n", hbuf, sbuf);
+	else
+		printf("%s\n", gai_strerror(ret));
+
+	assert(ret == EAI_OVERFLOW);
+
+	if ((ret = getnameinfo(sa, sizeof a, hbuf, 0, sbuf,
+	    sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV)) == 0)
+		printf("host=%s, serv=%s\n", hbuf, sbuf);
+	else
+		printf("%s\n", gai_strerror(ret));
+
+	assert(ret == 0);
+
+	if ((ret = getnameinfo(sa, sizeof a, hbuf, sizeof hbuf, sbuf,
+	    0, NI_NUMERICHOST | NI_NUMERICSERV)) == 0)
+		printf("host=%s, serv=%s\n", hbuf, sbuf);
+	else
+		printf("%s\n", gai_strerror(ret));
+
+	assert(ret == 0);
+
+
+	if ((ret = getnameinfo(sa, sizeof a, hbuf, sizeof(hbuf), sbuf,
+	    sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV)) == 0)
+		printf("host=%s, serv=%s\n", hbuf, sbuf);
+	else
+		printf("%s\n", gai_strerror(ret));
+
+	assert(ret == 0);
+
+		
+	return 0;
+}

tests/test_proxy_gethostbyname.c

@@ -0,0 +1,24 @@
+#include "../src/core.h"
+#include "../src/common.h"
+#include <stdio.h>
+
+void printhostent(struct hostent *hp) {
+	char ipbuf[16];
+	pc_stringfromipv4(hp->h_addr_list[0], ipbuf);
+	printf("alias: %p, len: %d, name: %s, addrlist: %p, addrtype: %d, ip: %s\n", 
+		hp->h_aliases, 
+		hp->h_length,
+		hp->h_name,
+		hp->h_addr_list,
+		hp->h_addrtype,
+		ipbuf
+	);
+}
+int main(int argc, char**argv) {
+	struct hostent* ret;
+	struct gethostbyname_data data;
+	if(argc == 1) return 1;
+	ret = proxy_gethostbyname(argv[1], &data);
+	if(ret) printhostent(ret);
+	return 0;
+}

tests/test_shm.c

@@ -0,0 +1,39 @@
+#include "../src/shm.h"
+#include <assert.h>
+
+#define s(A) (sizeof(A) - 1)
+#define ss(A) (A), s(A)
+
+int main() {
+	char buf4096[4096];
+	struct stringpool sp;
+	stringpool_init(&sp);
+	char *r;
+	size_t pos = 0;
+	r = stringpool_add(&sp, ss("AAAAA"));
+	assert(r == sp.start);
+	
+	pos += s("AAAAA");
+	assert(sp.alloced == 4096);
+	assert(sp.used == pos);
+	
+	r = stringpool_add(&sp, buf4096, sizeof(buf4096));
+	assert(r == sp.start + pos);
+	
+	pos += sizeof(buf4096);
+	assert(sp.alloced == 4096 * 2);
+	assert(sp.used == pos);
+	
+	r = stringpool_add(&sp, buf4096, 4096 - s("AAAAA"));
+	assert(r == sp.start + pos);
+	pos += 4096 - s("AAAAA");
+	assert(pos == 4096 * 2);
+
+	assert(sp.alloced == 4096 * 2);
+	assert(sp.used == pos);
+	
+	
+	
+	return 0;
+	
+}