add support for a fixed number of proxies that are *always* used

e.g. for having tor fixed as first proxy, then using the rest for
random selection.

.gitignore

@@ -0,0 +1,19 @@
+proxychains4
+*.bz2
+*.xz
+*.o
+*.so
+*.la
+*.lo
+.deps/
+.libs/
+*.rcb
+*.out
+*~
+*.patch
+version.h
+
+# Autoconf stuff 
+libtool
+config.*
+stamp-h

AUTHORS

@@ -1,5 +1,27 @@
+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-ng
+
+localnet, bugfixes
+jianing yang.
+https://github.com/jianingy/proxychains
+https://sourceforge.net/projects/proxychains/forums/forum/644747/topic/3498696
+
+round-robin
+crass.
+https://github.com/crass/proxychains-ng
+
+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
 

COPYING

@@ -1,8 +1,8 @@
 		    GNU GENERAL PUBLIC LICENSE
 		       Version 2, June 1991
 
- Copyright (C) 1989, 1991 Free Software Foundation, Inc.
-                          675 Mass Ave, Cambridge, MA 02139, USA
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 

ChangeLog

@@ -1,65 +0,0 @@
-ProxyChains version history (public releases)
-====================
-
-ver 3.1
-
-changed:
-	* dns resolver script fix
-	* prototypes in core.h
-
--------------------------------------------------------------------------
-ver 3.0
-
-added:
-	* new feature - DNS from behind proxy
-	* proxyresolv - stand alone command
-	* proxychains.conf - new option to enable/disable DNS support
-
-changed:
-	* bugfixes in core lib
-	* fixed strict chain
-	* fixed random chain
-	* output text
-	* autotools fix 
-
--------------------------------------------------------------------------
-ver 2.1
-	* bugfuxes
-
--------------------------------------------------------------------------
-ver 2.0
-	* major core rewrite
-	* new config options
-
--------------------------------------------------------------------------
-
-ver 1.8.2
-	* minor bugfixes
-	* improved compilation on FreeBSD & OpenBSD sysems.
-	* improved compilation on Sun Solaris systems .
-	* cross platform (UNIX) issues
-
--------------------------------------------------------------------------
-
-ver 1.8.0
-
-added:
-	* Socks5 protocol
-	* Socks4 protocol
-	* HTTP proxy auth basic
-	* Socks4 user auth
-	* Socks5 user/pass auth
-	* more chain options (random, strict, dynamic )
-	* configurable timeout for TCP connect.
-	* configurable timeout for TCP read.
-	* INSTALL file (explains how to install properly)
-
-changed:
-	* configuration file entries (proxychains.conf)
-	* configuration file lookup
-
--------------------------------------------------------------------------
-
-ver 0.0.1
-	* TCP calls interception
-	* HTTP CONNECT proxy protocol.

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 +1,101 @@
+#
+# 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
+
+OBJS = src/common.o src/main.o
+
+DOBJS = src/daemon/hsearch.o \
+        src/daemon/sblist.o src/daemon/sblist_delete.o \
+        src/daemon/daemon.o src/daemon/udpserver.o
+
+LOBJS = src/nameinfo.o src/version.o \
+        src/core.o src/common.o src/libproxychains.o \
+        src/allocator_thread.o src/rdns.o \
+        src/hostsreader.o src/hash.o src/debug.o
+
+
+GENH = src/version.h
+
+CFLAGS  += -Wall -O0 -g -std=c99 -D_GNU_SOURCE -pipe
+NO_AS_NEEDED = -Wl,--no-as-needed
+LIBDL   = -ldl
+LDFLAGS = -fPIC $(NO_AS_NEEDED) $(LIBDL) -lpthread
+INC     = 
+PIC     = -fPIC
+AR      = $(CROSS_COMPILE)ar
+RANLIB  = $(CROSS_COMPILE)ranlib
+SOCKET_LIBS =
+
+LDSO_SUFFIX = so
+LD_SET_SONAME = -Wl,-soname=
+INSTALL = ./tools/install.sh
+
+LDSO_PATHNAME = libproxychains4.$(LDSO_SUFFIX)
+
+SHARED_LIBS = $(LDSO_PATHNAME)
+ALL_LIBS = $(SHARED_LIBS)
+PXCHAINS = proxychains4
+PXCHAINS_D = proxychains4-daemon
+ALL_TOOLS = $(PXCHAINS) $(PXCHAINS_D)
+ALL_CONFIGS = src/proxychains.conf
+
+-include config.mak
+
+CFLAGS+=$(USER_CFLAGS) $(MAC_CFLAGS)
+CFLAGS_MAIN=-DLIB_DIR=\"$(libdir)\" -DSYSCONFDIR=\"$(sysconfdir)\" -DDLL_NAME=\"$(LDSO_PATHNAME)\"
+
+
+all: $(ALL_LIBS) $(ALL_TOOLS)
+
+install: install-libs install-tools
+
+$(DESTDIR)$(bindir)/%: %
+	$(INSTALL) -D -m 755 $< $@
+
+$(DESTDIR)$(libdir)/%: %
+	$(INSTALL) -D -m 644 $< $@
+
+$(DESTDIR)$(sysconfdir)/%: src/%
+	$(INSTALL) -D -m 644 $< $@
+
+install-libs: $(ALL_LIBS:%=$(DESTDIR)$(libdir)/%)
+install-tools: $(ALL_TOOLS:%=$(DESTDIR)$(bindir)/%)
+install-config: $(ALL_CONFIGS:src/%=$(DESTDIR)$(sysconfdir)/%)
+
+clean:
+	rm -f $(ALL_LIBS)
+	rm -f $(ALL_TOOLS)
+	rm -f $(OBJS) $(LOBJS) $(DOBJS)
+	rm -f $(GENH)
+
+src/version.h: $(wildcard VERSION .git)
+	printf '#define VERSION "%s"\n' "$$(sh tools/version.sh)" > $@
+
+src/version.o: src/version.h
+
+%.o: %.c
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS_MAIN) $(INC) $(PIC) -c -o $@ $<
+
+$(LDSO_PATHNAME): $(LOBJS)
+	$(CC) $(LDFLAGS) $(LD_SET_SONAME)$(LDSO_PATHNAME) $(USER_LDFLAGS) \
+		-shared -o $@ $^ $(SOCKET_LIBS)
+
+$(PXCHAINS): $(OBJS)
+	$(CC) $^ $(USER_LDFLAGS) $(LIBDL) -o $@
+
+$(PXCHAINS_D): $(DOBJS)
+	$(CC) $^ $(USER_LDFLAGS) -o $@
+
+
+.PHONY: all clean install install-config install-libs install-tools

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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-# gives unlimited permission to copy and/or distribute it,
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README

@@ -1,18 +1,156 @@
-ProxyChains ver 3.1 README
-======================
+ProxyChains-NG ver 4.14 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, Haiku.
+
+
+*********** 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 4.14
+- allow alternative proto://user:pass@ip:port syntax for proxylist
+- fix endless loop in round robin mode when all proxies are down (#147)
+- fix compilation on android (#265)
+- fix fd leak in forked processes (#273)
+- skip connection attempt to nullrouted ips
+- allow hostnames for proxylist under specific circumstances
+
+Version 4.13
+- fix robustness of DNS lookup thread and a segfault
+- fix socks5 user/pass auth on non-conforming servers
+- fix memory leak
+- add support for Solaris
+
+Version 4.12
+- fix several build issues
+  - for MAC
+  - with -pie
+  - with custom CC
+- compatibility fix for some GUI apps (8870140)
+- compatibility fix for some HTTP proxies (cf9a16d)
+- fix several warnings for cleaner build on debian
+- fix random_chain on OSX (0f6b226)
+
+Version 4.11
+- preliminary IPv6 support
+- fixed bug in hostsreader
+- preliminary support for usage on OpenBSD (caveat emptor)
+
+Version 4.10
+- fix regression in linking order with custom LDFLAGS
+- fix segfault in DNS mapping code in programs with > ~400 different lookups
+
+Version 4.9
+- fix a security issue CVE-2015-3887
+- add sendto hook to handle MSG_FASTOPEN flag
+- replace problematic hostentdb with hostsreader
+- fix compilation on OpenBSD (although doesn't work there)
+
+Version 4.8.1:
+- fix regression in 4.8 install-config Makefile target
+
+Version 4.8:
+- fix for odd cornercase where getaddrinfo was used with AI_NUMERICHOST
+  to test for a numeric ip instead of resolving it (fixes nmap).
+- allow usage with programs that rely on LD_PRELOAD themselves
+- reject wrong entries in config file
+- print version number on startup
+
+Version 4.7:
+- new round_robin chaintype by crass.
+- fix bug with lazy allocation when GCC constructor was not used.
+- new configure flag --fat-binary to create a "fat" binary/library on OS X
+- return EBADF rather than EINTR in close hook.
+  it's legal for a program to retry close() calls when they receive
+  EINTR, which could cause an infinite loop, as seen in chromium.
+
+Version 4.6:
+- some cosmetic fixes to Makefile, fix a bug when non-numeric ip was
+  used as proxy server address.
+
+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 +159,8 @@ 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 +170,76 @@ 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 telnet 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
+Known Problems:
+---------------
+- newer versions of nmap try to determine the network interface to use
+  even if it's not needed (like when doing simple syn scans which use the
+  standard POSIX socket API. this results in errors when proxychains hands
+  out an ip address to a reserved address space.
+  possible workarounds: disable proxy_dns, use a numeric ip, or use nmap's
+  native support for SOCKS proxies.
+
+- Mac OS X 10.11 (El Capitan) ships with a new security feature called SIP
+  that prevents hooking of system apps.
+  workarounds are to partially disable SIP by issuing
+  csrutil enable --without debug in recovery mode,
+  or to copy the system binary into the home directory and run it from there.
+  see github issue #78 for details.
+
+- the glibc dynlinker has a bug or security feature that inhibits dlopen()ed
+  modules from being subject to the same dlsym hooks as installed for the main
+  program. this mainly affects scripting languages such as perl or python
+  that heavily rely on dlopen() for modules written in C to work.
+  there are unconfirmed reports that it works as root though.
+  musl libc is unaffected from the bug.
+
+
+Community:
+----------
+#proxychains on irc.freenode.net
+
+Donations:
+----------
+bitcoins donations are welcome - please send to this address:
+1C9LBpuy56veBqw5N33sZMoZW8mwCw3tPh
+

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
 
 

VERSION

@@ -0,0 +1 @@
+4.14

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 )

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:
-	$(mkinstalldirs) ${DESTDIR}${bindir}
-	${INSTALL} $(srcdir)/proxychains  ${DESTDIR}${bindir}/proxychains
-	${INSTALL} $(srcdir)/proxyresolv ${DESTDIR}${bindir}/proxyresolv
-
-uninstall-local:
-	-rm -f ${DESTDIR}${bindir}/proxychains
-	-rm -f ${DESTDIR}${bindir}/proxyresolv
-
-#bin_PROGRAMS = proxychains
-
-#proxychains_SOURCES = main.c
-
-# set the include path found by configure
-INCLUDES= $(all_includes)
-
-#proxychains_LDFLAGS = $(all_libraries)
-lib_LTLIBRARIES = libproxychains.la
-libproxychains_la_LDFLAGS = -version-info 3:0:0 $(all_libraries)
-libproxychains_la_LIBADD= -ldl
-noinst_HEADERS = core.h
-libproxychains_la_SOURCES= libproxychains.c core.c
-libproxychains_la_METASOURCES = USE_AUTOMOC
-
-
-
-#install-private: install
-#	$(mkinstalldirs) $(HOME)/bin
-#	$(INSTALL_DATA) $(srcdir)/proxychains $(HOME)/bin/proxychains
-#
-#uninstall-private: uninstall
-#	-rm -f $(HOME)/bin/proxychains

proxychains/Makefile.in

@@ -1,496 +0,0 @@
-# Makefile.in generated automatically by automake 1.4-p6 from Makefile.am
-
-# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-
-SHELL = @SHELL@
-
-srcdir = @srcdir@
-top_srcdir = @top_srcdir@
-VPATH = @srcdir@
-prefix = @prefix@
-exec_prefix = @exec_prefix@
-
-bindir = @bindir@
-sbindir = @sbindir@
-libexecdir = @libexecdir@
-datadir = @datadir@
-sysconfdir = @sysconfdir@
-sharedstatedir = @sharedstatedir@
-localstatedir = @localstatedir@
-libdir = @libdir@
-infodir = @infodir@
-mandir = @mandir@
-includedir = @includedir@
-oldincludedir = /usr/include
-
-DESTDIR =
-
-pkgdatadir = $(datadir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-
-top_builddir = ..
-
-ACLOCAL = @ACLOCAL@
-AUTOCONF = @AUTOCONF@
-AUTOMAKE = @AUTOMAKE@
-AUTOHEADER = @AUTOHEADER@
-
-INSTALL = @INSTALL@
-INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS)
-INSTALL_DATA = @INSTALL_DATA@
-INSTALL_SCRIPT = @INSTALL_SCRIPT@
-transform = @program_transform_name@
-
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-build_alias = @build_alias@
-build_triplet = @build@
-host_alias = @host_alias@
-host_triplet = @host@
-target_alias = @target_alias@
-target_triplet = @target@
-AR = @AR@
-AS = @AS@
-CC = @CC@
-CXX = @CXX@
-CXXCPP = @CXXCPP@
-DLLTOOL = @DLLTOOL@
-ECHO = @ECHO@
-EGREP = @EGREP@
-EXEEXT = @EXEEXT@
-F77 = @F77@
-GCJ = @GCJ@
-GCJFLAGS = @GCJFLAGS@
-HAVE_LIB = @HAVE_LIB@
-LIB = @LIB@
-LIBTOOL = @LIBTOOL@
-LN_S = @LN_S@
-LTLIB = @LTLIB@
-MAKEINFO = @MAKEINFO@
-OBJDUMP = @OBJDUMP@
-OBJEXT = @OBJEXT@
-PACKAGE = @PACKAGE@
-RANLIB = @RANLIB@
-RC = @RC@
-STRIP = @STRIP@
-VERSION = @VERSION@
-
-SUBDIRS = docs 
-
-EXTRA_DIST = proxychains.conf core.c core.h libproxychains.c 
-
-sysconf_DATA = $(srcdir)/proxychains.conf
-
-#bin_PROGRAMS = proxychains
-
-#proxychains_SOURCES = main.c
-
-# set the include path found by configure
-INCLUDES = $(all_includes)
-
-#proxychains_LDFLAGS = $(all_libraries)
-lib_LTLIBRARIES = libproxychains.la
-libproxychains_la_LDFLAGS = -version-info 3:0:0 $(all_libraries)
-libproxychains_la_LIBADD = -ldl
-noinst_HEADERS = core.h
-libproxychains_la_SOURCES = libproxychains.c core.c
-libproxychains_la_METASOURCES = USE_AUTOMOC
-mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
-CONFIG_HEADER = ../config.h
-CONFIG_CLEAN_FILES = 
-LTLIBRARIES =  $(lib_LTLIBRARIES)
-
-
-DEFS = @DEFS@ -I. -I$(srcdir) -I..
-CPPFLAGS = @CPPFLAGS@
-LDFLAGS = @LDFLAGS@
-LIBS = @LIBS@
-libproxychains_la_DEPENDENCIES = 
-libproxychains_la_OBJECTS =  libproxychains.lo core.lo
-CFLAGS = @CFLAGS@
-COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-CCLD = $(CC)
-LINK = $(LIBTOOL) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
-DATA =  $(sysconf_DATA)
-
-HEADERS =  $(noinst_HEADERS)
-
-DIST_COMMON =  Makefile.am Makefile.in
-
-
-DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
-
-TAR = tar
-GZIP_ENV = --best
-DEP_FILES =  .deps/core.P .deps/libproxychains.P
-SOURCES = $(libproxychains_la_SOURCES)
-OBJECTS = $(libproxychains_la_OBJECTS)
-
-all: all-redirect
-.SUFFIXES:
-.SUFFIXES: .S .c .lo .o .obj .s
-$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) 
-	cd $(top_srcdir) && $(AUTOMAKE) --gnu proxychains/Makefile
-
-Makefile: $(srcdir)/Makefile.in  $(top_builddir)/config.status $(BUILT_SOURCES)
-	cd $(top_builddir) \
-	  && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
-
-
-mostlyclean-libLTLIBRARIES:
-
-clean-libLTLIBRARIES:
-	-test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
-
-distclean-libLTLIBRARIES:
-
-maintainer-clean-libLTLIBRARIES:
-
-install-libLTLIBRARIES: $(lib_LTLIBRARIES)
-	@$(NORMAL_INSTALL)
-	$(mkinstalldirs) $(DESTDIR)$(libdir)
-	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
-	  if test -f $$p; then \
-	    echo "$(LIBTOOL)  --mode=install $(INSTALL) $$p $(DESTDIR)$(libdir)/$$p"; \
-	    $(LIBTOOL)  --mode=install $(INSTALL) $$p $(DESTDIR)$(libdir)/$$p; \
-	  else :; fi; \
-	done
-
-uninstall-libLTLIBRARIES:
-	@$(NORMAL_UNINSTALL)
-	list='$(lib_LTLIBRARIES)'; for p in $$list; do \
-	  $(LIBTOOL)  --mode=uninstall rm -f $(DESTDIR)$(libdir)/$$p; \
-	done
-
-# FIXME: We should only use cygpath when building on Windows,
-# and only if it is available.
-.c.obj:
-	$(COMPILE) -c `cygpath -w $<`
-
-.s.o:
-	$(COMPILE) -c $<
-
-.S.o:
-	$(COMPILE) -c $<
-
-mostlyclean-compile:
-	-rm -f *.o core *.core
-	-rm -f *.$(OBJEXT)
-
-clean-compile:
-
-distclean-compile:
-	-rm -f *.tab.c
-
-maintainer-clean-compile:
-
-.s.lo:
-	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
-
-.S.lo:
-	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
-
-mostlyclean-libtool:
-	-rm -f *.lo
-
-clean-libtool:
-	-rm -rf .libs _libs
-
-distclean-libtool:
-
-maintainer-clean-libtool:
-
-libproxychains.la: $(libproxychains_la_OBJECTS) $(libproxychains_la_DEPENDENCIES)
-	$(LINK) -rpath $(libdir) $(libproxychains_la_LDFLAGS) $(libproxychains_la_OBJECTS) $(libproxychains_la_LIBADD) $(LIBS)
-
-install-sysconfDATA: $(sysconf_DATA)
-	@$(NORMAL_INSTALL)
-	$(mkinstalldirs) $(DESTDIR)$(sysconfdir)
-	@list='$(sysconf_DATA)'; for p in $$list; do \
-	  if test -f $(srcdir)/$$p; then \
-	    echo " $(INSTALL_DATA) $(srcdir)/$$p $(DESTDIR)$(sysconfdir)/$$p"; \
-	    $(INSTALL_DATA) $(srcdir)/$$p $(DESTDIR)$(sysconfdir)/$$p; \
-	  else if test -f $$p; then \
-	    echo " $(INSTALL_DATA) $$p $(DESTDIR)$(sysconfdir)/$$p"; \
-	    $(INSTALL_DATA) $$p $(DESTDIR)$(sysconfdir)/$$p; \
-	  fi; fi; \
-	done
-
-uninstall-sysconfDATA:
-	@$(NORMAL_UNINSTALL)
-	list='$(sysconf_DATA)'; for p in $$list; do \
-	  rm -f $(DESTDIR)$(sysconfdir)/$$p; \
-	done
-
-# This directory's subdirectories are mostly independent; you can cd
-# into them and run `make' without going through this Makefile.
-# To change the values of `make' variables: instead of editing Makefiles,
-# (1) if the variable is set in `config.status', edit `config.status'
-#     (which will cause the Makefiles to be regenerated when you run `make');
-# (2) otherwise, pass the desired values on the `make' command line.
-
-@SET_MAKE@
-
-all-recursive install-data-recursive install-exec-recursive \
-installdirs-recursive install-recursive uninstall-recursive  \
-check-recursive installcheck-recursive info-recursive dvi-recursive:
-	@set fnord $$MAKEFLAGS; amf=$$2; \
-	dot_seen=no; \
-	target=`echo $@ | sed s/-recursive//`; \
-	list='$(SUBDIRS)'; for subdir in $$list; do \
-	  echo "Making $$target in $$subdir"; \
-	  if test "$$subdir" = "."; then \
-	    dot_seen=yes; \
-	    local_target="$$target-am"; \
-	  else \
-	    local_target="$$target"; \
-	  fi; \
-	  (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
-	   || case "$$amf" in *=*) exit 1;; *k*) fail=yes;; *) exit 1;; esac; \
-	done; \
-	if test "$$dot_seen" = "no"; then \
-	  $(MAKE) $(AM_MAKEFLAGS) "$$target-am" || exit 1; \
-	fi; test -z "$$fail"
-
-mostlyclean-recursive clean-recursive distclean-recursive \
-maintainer-clean-recursive:
-	@set fnord $$MAKEFLAGS; amf=$$2; \
-	dot_seen=no; \
-	rev=''; list='$(SUBDIRS)'; for subdir in $$list; do \
-	  rev="$$subdir $$rev"; \
-	  test "$$subdir" != "." || dot_seen=yes; \
-	done; \
-	test "$$dot_seen" = "no" && rev=". $$rev"; \
-	target=`echo $@ | sed s/-recursive//`; \
-	for subdir in $$rev; do \
-	  echo "Making $$target in $$subdir"; \
-	  if test "$$subdir" = "."; then \
-	    local_target="$$target-am"; \
-	  else \
-	    local_target="$$target"; \
-	  fi; \
-	  (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
-	   || case "$$amf" in *=*) exit 1;; *k*) fail=yes;; *) exit 1;; esac; \
-	done && test -z "$$fail"
-tags-recursive:
-	list='$(SUBDIRS)'; for subdir in $$list; do \
-	  test "$$subdir" = . || (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) tags); \
-	done
-
-tags: TAGS
-
-ID: $(HEADERS) $(SOURCES) $(LISP)
-	list='$(SOURCES) $(HEADERS)'; \
-	unique=`for i in $$list; do echo $$i; done | \
-	  awk '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
-	here=`pwd` && cd $(srcdir) \
-	  && mkid -f$$here/ID $$unique $(LISP)
-
-TAGS: tags-recursive $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) $(LISP)
-	tags=; \
-	here=`pwd`; \
-	list='$(SUBDIRS)'; for subdir in $$list; do \
-   if test "$$subdir" = .; then :; else \
-	    test -f $$subdir/TAGS && tags="$$tags -i $$here/$$subdir/TAGS"; \
-   fi; \
-	done; \
-	list='$(SOURCES) $(HEADERS)'; \
-	unique=`for i in $$list; do echo $$i; done | \
-	  awk '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
-	test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
-	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $$unique $(LISP) -o $$here/TAGS)
-
-mostlyclean-tags:
-
-clean-tags:
-
-distclean-tags:
-	-rm -f TAGS ID
-
-maintainer-clean-tags:
-
-distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
-
-subdir = proxychains
-
-distdir: $(DISTFILES)
-	here=`cd $(top_builddir) && pwd`; \
-	top_distdir=`cd $(top_distdir) && pwd`; \
-	distdir=`cd $(distdir) && pwd`; \
-	cd $(top_srcdir) \
-	  && $(AUTOMAKE) --include-deps --build-dir=$$here --srcdir-name=$(top_srcdir) --output-dir=$$top_distdir --gnu proxychains/Makefile
-	@for file in $(DISTFILES); do \
-	  d=$(srcdir); \
-	  if test -d $$d/$$file; then \
-	    cp -pr $$d/$$file $(distdir)/$$file; \
-	  else \
-	    test -f $(distdir)/$$file \
-	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
-	    || cp -p $$d/$$file $(distdir)/$$file || :; \
-	  fi; \
-	done
-	for subdir in $(SUBDIRS); do \
-	  if test "$$subdir" = .; then :; else \
-	    test -d $(distdir)/$$subdir \
-	    || mkdir $(distdir)/$$subdir \
-	    || exit 1; \
-	    chmod 777 $(distdir)/$$subdir; \
-	    (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir=../$(top_distdir) distdir=../$(distdir)/$$subdir distdir) \
-	      || exit 1; \
-	  fi; \
-	done
-
-DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)
-
--include $(DEP_FILES)
-
-mostlyclean-depend:
-
-clean-depend:
-
-distclean-depend:
-	-rm -rf .deps
-
-maintainer-clean-depend:
-
-%.o: %.c
-	@echo '$(COMPILE) -c $<'; \
-	$(COMPILE) -Wp,-MD,.deps/$(*F).pp -c $<
-	@-cp .deps/$(*F).pp .deps/$(*F).P; \
-	tr ' ' '\012' < .deps/$(*F).pp \
-	  | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
-	    >> .deps/$(*F).P; \
-	rm .deps/$(*F).pp
-
-%.lo: %.c
-	@echo '$(LTCOMPILE) -c $<'; \
-	$(LTCOMPILE) -Wp,-MD,.deps/$(*F).pp -c $<
-	@-sed -e 's/^\([^:]*\)\.o[ 	]*:/\1.lo \1.o :/' \
-	  < .deps/$(*F).pp > .deps/$(*F).P; \
-	tr ' ' '\012' < .deps/$(*F).pp \
-	  | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
-	    >> .deps/$(*F).P; \
-	rm -f .deps/$(*F).pp
-info-am:
-info: info-recursive
-dvi-am:
-dvi: dvi-recursive
-check-am: all-am
-check: check-recursive
-installcheck-am:
-installcheck: installcheck-recursive
-install-exec-am: install-libLTLIBRARIES install-sysconfDATA
-install-exec: install-exec-recursive
-
-install-data-am: install-data-local
-install-data: install-data-recursive
-
-install-am: all-am
-	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
-install: install-recursive
-uninstall-am: uninstall-libLTLIBRARIES uninstall-sysconfDATA \
-		uninstall-local
-uninstall: uninstall-recursive
-all-am: Makefile $(LTLIBRARIES) $(DATA) $(HEADERS)
-all-redirect: all-recursive
-install-strip:
-	$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
-installdirs: installdirs-recursive
-installdirs-am:
-	$(mkinstalldirs)  $(DESTDIR)$(libdir) $(DESTDIR)$(sysconfdir)
-
-
-mostlyclean-generic:
-
-clean-generic:
-
-distclean-generic:
-	-rm -f Makefile $(CONFIG_CLEAN_FILES)
-	-rm -f config.cache config.log stamp-h stamp-h[0-9]*
-
-maintainer-clean-generic:
-mostlyclean-am:  mostlyclean-libLTLIBRARIES mostlyclean-compile \
-		mostlyclean-libtool mostlyclean-tags mostlyclean-depend \
-		mostlyclean-generic
-
-mostlyclean: mostlyclean-recursive
-
-clean-am:  clean-libLTLIBRARIES clean-compile clean-libtool clean-tags \
-		clean-depend clean-generic mostlyclean-am
-
-clean: clean-recursive
-
-distclean-am:  distclean-libLTLIBRARIES distclean-compile \
-		distclean-libtool distclean-tags distclean-depend \
-		distclean-generic clean-am
-	-rm -f libtool
-
-distclean: distclean-recursive
-
-maintainer-clean-am:  maintainer-clean-libLTLIBRARIES \
-		maintainer-clean-compile maintainer-clean-libtool \
-		maintainer-clean-tags maintainer-clean-depend \
-		maintainer-clean-generic distclean-am
-	@echo "This command is intended for maintainers to use;"
-	@echo "it deletes files that may require special tools to rebuild."
-
-maintainer-clean: maintainer-clean-recursive
-
-.PHONY: mostlyclean-libLTLIBRARIES distclean-libLTLIBRARIES \
-clean-libLTLIBRARIES maintainer-clean-libLTLIBRARIES \
-uninstall-libLTLIBRARIES install-libLTLIBRARIES mostlyclean-compile \
-distclean-compile clean-compile maintainer-clean-compile \
-mostlyclean-libtool distclean-libtool clean-libtool \
-maintainer-clean-libtool uninstall-sysconfDATA install-sysconfDATA \
-install-data-recursive uninstall-data-recursive install-exec-recursive \
-uninstall-exec-recursive installdirs-recursive uninstalldirs-recursive \
-all-recursive check-recursive installcheck-recursive info-recursive \
-dvi-recursive mostlyclean-recursive distclean-recursive clean-recursive \
-maintainer-clean-recursive tags tags-recursive mostlyclean-tags \
-distclean-tags clean-tags maintainer-clean-tags distdir \
-mostlyclean-depend distclean-depend clean-depend \
-maintainer-clean-depend info-am info dvi-am dvi check check-am \
-installcheck-am installcheck install-exec-am install-exec \
-install-data-local install-data-am install-data install-am install \
-uninstall-local uninstall-am uninstall all-redirect all-am all \
-installdirs-am installdirs mostlyclean-generic distclean-generic \
-clean-generic maintainer-clean-generic clean mostlyclean distclean \
-maintainer-clean
-
-
-install-data-local:
-	$(mkinstalldirs) ${DESTDIR}${bindir}
-	${INSTALL} $(srcdir)/proxychains  ${DESTDIR}${bindir}/proxychains
-	${INSTALL} $(srcdir)/proxyresolv ${DESTDIR}${bindir}/proxyresolv
-
-uninstall-local:
-	-rm -f ${DESTDIR}${bindir}/proxychains
-	-rm -f ${DESTDIR}${bindir}/proxyresolv
-
-#install-private: install
-#	$(mkinstalldirs) $(HOME)/bin
-#	$(INSTALL_DATA) $(srcdir)/proxychains $(HOME)/bin/proxychains
-#
-#uninstall-private: uninstall
-#	-rm -f $(HOME)/bin/proxychains
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.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)##########
-
-SUBDIRS = en 
-
-####### kdevelop will overwrite this part!!! (end)############

proxychains/docs/Makefile.in

@@ -1,308 +0,0 @@
-# Makefile.in generated automatically by automake 1.4-p6 from Makefile.am
-
-# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
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-CONFIG_CLEAN_FILES = 
-DIST_COMMON =  Makefile.am Makefile.in
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-DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
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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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-# 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');
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-
-@SET_MAKE@
-
-all-recursive install-data-recursive install-exec-recursive \
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-check-recursive installcheck-recursive info-recursive dvi-recursive:
-	@set fnord $$MAKEFLAGS; amf=$$2; \
-	dot_seen=no; \
-	target=`echo $@ | sed s/-recursive//`; \
-	list='$(SUBDIRS)'; for subdir in $$list; do \
-	  echo "Making $$target in $$subdir"; \
-	  if test "$$subdir" = "."; then \
-	    dot_seen=yes; \
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-	    local_target="$$target"; \
-	  fi; \
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-tags-recursive:
-	list='$(SUBDIRS)'; for subdir in $$list; do \
-	  test "$$subdir" = . || (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) tags); \
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-	list='$(SOURCES) $(HEADERS)'; \
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-	       END { for (i in files) print i; }'`; \
-	here=`pwd` && cd $(srcdir) \
-	  && mkid -f$$here/ID $$unique $(LISP)
-
-TAGS: tags-recursive $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) $(LISP)
-	tags=; \
-	here=`pwd`; \
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-.NOEXPORT:

proxychains/docs/en/Makefile.am

@@ -1,4 +0,0 @@
-####### kdevelop will overwrite this part!!! (begin)##########
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-
-####### kdevelop will overwrite this part!!! (end)############

proxychains/docs/en/Makefile.in

@@ -1,202 +0,0 @@
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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,
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-distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
-
-subdir = proxychains/docs/en
-
-distdir: $(DISTFILES)
-	here=`cd $(top_builddir) && pwd`; \
-	top_distdir=`cd $(top_distdir) && pwd`; \
-	distdir=`cd $(distdir) && pwd`; \
-	cd $(top_srcdir) \
-	  && $(AUTOMAKE) --include-deps --build-dir=$$here --srcdir-name=$(top_srcdir) --output-dir=$$top_distdir --gnu proxychains/docs/en/Makefile
-	@for file in $(DISTFILES); do \
-	  d=$(srcdir); \
-	  if test -d $$d/$$file; then \
-	    cp -pr $$d/$$file $(distdir)/$$file; \
-	  else \
-	    test -f $(distdir)/$$file \
-	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
-	    || cp -p $$d/$$file $(distdir)/$$file || :; \
-	  fi; \
-	done
-info-am:
-info: info-am
-dvi-am:
-dvi: dvi-am
-check-am: all-am
-check: check-am
-installcheck-am:
-installcheck: installcheck-am
-install-exec-am:
-install-exec: install-exec-am
-
-install-data-am:
-install-data: install-data-am
-
-install-am: all-am
-	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
-install: install-am
-uninstall-am:
-uninstall: uninstall-am
-all-am: Makefile
-all-redirect: all-am
-install-strip:
-	$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
-installdirs:
-
-
-mostlyclean-generic:
-
-clean-generic:
-
-distclean-generic:
-	-rm -f Makefile $(CONFIG_CLEAN_FILES)
-	-rm -f config.cache config.log stamp-h stamp-h[0-9]*
-
-maintainer-clean-generic:
-mostlyclean-am:  mostlyclean-generic
-
-mostlyclean: mostlyclean-am
-
-clean-am:  clean-generic mostlyclean-am
-
-clean: clean-am
-
-distclean-am:  distclean-generic clean-am
-	-rm -f libtool
-
-distclean: distclean-am
-
-maintainer-clean-am:  maintainer-clean-generic distclean-am
-	@echo "This command is intended for maintainers to use;"
-	@echo "it deletes files that may require special tools to rebuild."
-
-maintainer-clean: maintainer-clean-am
-
-.PHONY: tags distdir info-am info dvi-am dvi check check-am \
-installcheck-am installcheck install-exec-am install-exec \
-install-data-am install-data install-am install uninstall-am uninstall \
-all-redirect all-am all installdirs mostlyclean-generic \
-distclean-generic clean-generic maintainer-clean-generic clean \
-mostlyclean distclean maintainer-clean
-
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:

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 +1,360 @@
+#undef _GNU_SOURCE
+#define _GNU_SOURCE
+#undef _POSIX_C_SOURCE
+#define _DARWIN_C_SOURCE
+#include <limits.h>
+#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 <sys/mman.h>
+#include "allocator_thread.h"
+#include "debug.h"
+#include "ip_type.h"
+#include "mutex.h"
+#include "hash.h"
+#include "remotedns.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;
+
+static void *dumpstring(char* s, size_t len) {
+	char* p = malloc(len);
+	if(p) memcpy(p, s, len);
+	return p;
+}
+
+static pthread_mutex_t *internal_ips_lock;
+static internal_ip_lookup_table *internal_ips;
+
+uint32_t index_from_internal_ip(ip_type4 internalip) {
+	PFUNC();
+	ip_type4 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_type4 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_type4 make_internal_ip(uint32_t index) {
+	ip_type4 ret;
+	index++; // so we can start at .0.0.1
+	if(index > 0xFFFFFF)
+		return IPT4_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_type4 ip_from_internal_list(char* name, size_t len) {
+	uint32_t hash = dalias_hash((char *) name);
+	size_t i;
+	ip_type4 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 == IPT4_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);
+
+	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 IPT4_INVALID;
+}
+
+/* stuff for communication with the allocator thread */
+
+enum at_direction {
+	ATD_SERVER = 0,
+	ATD_CLIENT,
+	ATD_MAX,
+};
+
+static pthread_t allocator_thread;
+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 trywrite(int fd, void* buf, size_t bytes) {
+	ssize_t ret;
+	unsigned char *out = buf;
+again:
+	ret = write(fd, out, bytes);
+	switch(ret) {
+		case -1:
+			if(errno == EINTR) goto again;
+		case  0:
+			return 0;
+		default:
+			if(ret == bytes || !bytes) return 1;
+			out += ret;
+			bytes -= ret;
+			goto again;
+	}
+}
+
+static int sendmessage(enum at_direction dir, struct at_msg *msg) {
+	static int* destfd[ATD_MAX] = { [ATD_SERVER] = &req_pipefd[1], [ATD_CLIENT] = &resp_pipefd[1] };
+	assert(msg->h.datalen <= MSG_LEN_MAX);
+	int ret = trywrite(*destfd[dir], msg, sizeof (msg->h)+msg->h.datalen);
+	assert(msg->h.datalen <= MSG_LEN_MAX);
+	return ret;
+}
+
+static int tryread(int fd, void* buf, size_t bytes) {
+	ssize_t ret;
+	unsigned char *out = buf;
+again:
+	ret = read(fd, out, bytes);
+	switch(ret) {
+		case -1:
+			if(errno == EINTR) goto again;
+		case  0:
+			return 0;
+		default:
+			if(ret == bytes || !bytes) return 1;
+			out += ret;
+			bytes -= ret;
+			goto again;
+	}
+}
+static int readmsg(int fd, struct at_msg *msg) {
+	int ret = tryread(fd, msg, sizeof(msg->h));
+	if(ret != 1) return ret;
+	return tryread(fd, &msg->m, msg->h.datalen);
+}
+
+static int getmessage(enum at_direction dir, struct at_msg *msg) {
+	static int* readfd[ATD_MAX] = { [ATD_SERVER] = &req_pipefd[0], [ATD_CLIENT] = &resp_pipefd[0] };
+	ssize_t ret;
+	if((ret = wait_data(*readfd[dir]))) {
+		if(!readmsg(*readfd[dir], msg))
+			return 0;
+		assert(msg->h.datalen <= MSG_LEN_MAX);
+	}
+	return ret;
+}
+
+static void* threadfunc(void* x) {
+	(void) x;
+	int ret;
+	struct at_msg msg;
+	while((ret = getmessage(ATD_SERVER, &msg))) {
+		switch(msg.h.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. */
+				msg.m.ip = ip_from_internal_list(msg.m.host, msg.h.datalen);
+				msg.h.datalen = sizeof(ip_type4);
+				break;
+			case ATM_GETNAME: {
+				char *host = string_from_internal_ip(msg.m.ip);
+				if(host) {
+					size_t l = strlen(host);
+					assert(l+1 < MSG_LEN_MAX);
+					memcpy(msg.m.host, host, l + 1);
+					msg.h.datalen = l + 1;
+				} else {
+					msg.h.datalen = 0;
+				}
+				break;
+			}
+			case ATM_EXIT:
+				return 0;
+			default:
+				abort();
+		}
+		ret = sendmessage(ATD_CLIENT, &msg);
+	}
+	return 0;
+}
+
+/* API to access the internal ip mapping */
+
+ip_type4 at_get_ip_for_host(char* host, size_t len) {
+	ip_type4 readbuf;
+	MUTEX_LOCK(internal_ips_lock);
+	if(len > MSG_LEN_MAX) goto inv;
+	struct at_msg msg = {.h.msgtype = ATM_GETIP, .h.datalen = len + 1 };
+	memcpy(msg.m.host, host, len+1);
+	if(sendmessage(ATD_SERVER, &msg) &&
+	   getmessage(ATD_CLIENT, &msg)) readbuf = msg.m.ip;
+	else {
+		inv:
+		readbuf = IPT4_INVALID;
+	}
+	assert(msg.h.msgtype == ATM_GETIP);
+	MUTEX_UNLOCK(internal_ips_lock);
+	return readbuf;
+}
+
+size_t at_get_host_for_ip(ip_type4 ip, char* readbuf) {
+	struct at_msg msg = {.h.msgtype = ATM_GETNAME, .h.datalen = sizeof(ip_type4), .m.ip = ip };
+	size_t res = 0;
+	MUTEX_LOCK(internal_ips_lock);
+	if(sendmessage(ATD_SERVER, &msg) && getmessage(ATD_CLIENT, &msg)) {
+		if((int16_t) msg.h.datalen <= 0) res = 0;
+		else {
+			memcpy(readbuf, msg.m.host, msg.h.datalen);
+			res = msg.h.datalen - 1;
+		}
+	}
+	assert(msg.h.msgtype == ATM_GETNAME);
+	MUTEX_UNLOCK(internal_ips_lock);
+	return res;
+}
+
+
+static void initpipe(int* fds) {
+	int retval;
+
+#ifdef HAVE_PIPE2
+	retval = pipe2(fds, O_CLOEXEC);
+#else
+	retval = pipe(fds);
+	if(retval == 0) {
+		fcntl(fds[0], F_SETFD, FD_CLOEXEC);
+		fcntl(fds[1], F_SETFD, FD_CLOEXEC);
+	}
+#endif
+	if(retval == -1) {
+		perror("pipe");
+		exit(1);
+	}
+}
+
+#ifndef MAX
+#define MAX(x, y) ((x) > (y) ? (x) : (y))
+#endif
+
+#if !defined(PTHREAD_STACK_MIN) || defined(__APPLE__)
+/* MAC says its min is 8KB, but then crashes in our face. thx hunkOLard */
+#define PTHREAD_STACK_MIN 64*1024
+#endif
+
+/* initialize with pointers to shared memory. these will
+ * be used to place responses and arguments */
+void at_init(void) {
+	PFUNC();
+	void *shm = mmap(0, 4096, PROT_WRITE|PROT_READ, MAP_ANON|MAP_SHARED, -1, 0);
+	assert(shm);
+	internal_ips_lock = shm;
+	internal_ips = (void*)((char*)shm + 2048);
+
+	MUTEX_INIT(internal_ips_lock);
+	memset(internal_ips, 0, sizeof *internal_ips);
+	initpipe(req_pipefd);
+	initpipe(resp_pipefd);
+	pthread_attr_t allocator_thread_attr;
+	pthread_attr_init(&allocator_thread_attr);
+	pthread_attr_setstacksize(&allocator_thread_attr, MAX(16 * 1024, PTHREAD_STACK_MIN));
+	pthread_create(&allocator_thread, &allocator_thread_attr, threadfunc, 0);
+	pthread_attr_destroy(&allocator_thread_attr);
+}
+
+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]);
+	MUTEX_DESTROY(internal_ips_lock);
+}

src/allocator_thread.h

@@ -0,0 +1,17 @@
+#ifndef ALLOCATOR_THREAD_H
+#define ALLOCATOR_THREAD_H
+
+#include <unistd.h>
+#include "ip_type.h"
+
+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_type4 ip, char* readbuf);
+ip_type4 at_get_ip_for_host(char* host, size_t len);
+
+//RcB: DEP "allocator_thread.c"
+#endif
+

src/common.c

@@ -0,0 +1,132 @@
+#include "common.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+const char *proxy_type_strmap[] = {
+    "http",
+    "socks4",
+    "socks5",
+};
+
+const char *chain_type_strmap[] = {
+    "dynamic_chain",
+    "strict_chain",
+    "random_chain",
+    "round_robin_chain",
+};
+
+const char *proxy_state_strmap[] = {
+    "play",
+    "down",
+    "blocked",
+    "busy",
+};
+
+/* isnumericipv4() taken from libulz */
+int pc_isnumericipv4(const char* ipstring) {
+	size_t x = 0, n = 0, d = 0;
+	int wasdot = 0;
+	while(1) {
+		switch(ipstring[x]) {
+			case 0: goto done;
+			case '.':
+				if(!n || wasdot) return 0;
+				d++;
+				wasdot = 1;
+				break;
+			case '0': case '1': case '2': case '3': case '4':
+			case '5': case '6': case '7': case '8': case '9':
+				n++;
+				wasdot = 0;
+				break;
+			default:
+				return 0;
+		}
+		x++;
+	}
+	done:
+	if(d == 3 && n >= 4 && n <= 12) return 1;
+	return 0;
+}
+
+// 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 3b: ~/config/settings/proxychains.conf (for haiku)
+	path = getenv("HOME");
+	snprintf(pbuf, bufsize, "%s/config/settings/%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 +1,23 @@
+#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>
+
+extern const char *proxy_type_strmap[];
+extern const char *chain_type_strmap[];
+extern const char *proxy_state_strmap[];
+
+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);
+int pc_isnumericipv4(const char* ipstring);
+
+//RcB: DEP "common.c"
+#endif

src/core.h

@@ -0,0 +1,142 @@
+/***************************************************************************
+                          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     MAX_LOCALNET 64
+#define     MAX_DNAT 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,
+	RAW_TYPE
+} proxy_type;
+
+typedef enum {
+	DYNAMIC_TYPE,
+	STRICT_TYPE,
+	RANDOM_TYPE,
+	ROUND_ROBIN_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 {
+	struct in_addr orig_dst, new_dst;
+	unsigned short orig_port, new_port;
+} dnat_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 );
+
+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);
+
+typedef ssize_t (*sendto_t) (int sockfd, const void *buf, size_t len, int flags,
+			     const struct sockaddr *dest_addr, socklen_t addrlen);
+
+
+
+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[256];
+};
+
+struct hostent* proxy_gethostbyname(const char *name, struct gethostbyname_data *data);
+struct hostent* proxy_gethostbyname_old(const char *name);
+
+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);
+
+extern unsigned int proxychains_max_chain;
+extern unsigned int proxychains_fixed_chain;
+
+#include "debug.h"
+
+#endif
+
+//RcB: DEP "core.c"
+//RcB: DEP "libproxychains.c"
+//RcB: LINK "-Wl,--no-as-needed -ldl -lpthread"
+

src/daemon/daemon.c

@@ -0,0 +1,231 @@
+/*
+   proxychains-ng DNS daemon
+
+   Copyright (C) 2020 rofl0r.
+
+*/
+
+#define _GNU_SOURCE
+#include <unistd.h>
+#define _POSIX_C_SOURCE 200809L
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <pthread.h>
+#include <signal.h>
+#include <sys/select.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <limits.h>
+#include "udpserver.h"
+#include "sblist.h"
+#include "hsearch.h"
+#include "../remotedns.h"
+#include "../ip_type.h"
+
+#ifndef MAX
+#define MAX(x, y) ((x) > (y) ? (x) : (y))
+#endif
+
+static struct htab *ip_lookup_table;
+static sblist *hostnames;
+static unsigned remote_subnet;
+static const struct server* server;
+
+#ifndef CONFIG_LOG
+#define CONFIG_LOG 1
+#endif
+#if CONFIG_LOG
+/* we log to stderr because it's not using line buffering, i.e. malloc which would need
+   locking when called from different threads. for the same reason we use dprintf,
+   which writes directly to an fd. */
+#define dolog(...) dprintf(2, __VA_ARGS__)
+#else
+static void dolog(const char* fmt, ...) { }
+#endif
+
+static char* my_inet_ntoa(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;
+	return outbuf_16_bytes;
+}
+
+
+/* buf needs to be long enough for an ipv6 addr, i.e. INET6_ADDRSTRLEN + 1 */
+static char* ipstr(union sockaddr_union *su, char* buf) {
+	int af = SOCKADDR_UNION_AF(su);
+	void *ipdata = SOCKADDR_UNION_ADDRESS(su);
+	inet_ntop(af, ipdata, buf, INET6_ADDRSTRLEN+1);
+	char portbuf[7];
+	snprintf(portbuf, sizeof portbuf, ":%u", (unsigned) ntohs(SOCKADDR_UNION_PORT(su)));
+	strcat(buf, portbuf);
+	return buf;
+}
+
+static int usage(char *a0) {
+	dprintf(2,
+		"Proxychains-NG remote dns daemon\n"
+		"--------------------------------\n"
+		"usage: %s -i listenip -p port -r remotesubnet\n"
+		"all arguments are optional.\n"
+		"by default listenip is 127.0.0.1, port 1053 and remotesubnet 224.\n\n", a0
+	);
+	return 1;
+}
+
+unsigned index_from_ip(ip_type4 internalip) {
+	ip_type4 tmp = internalip;
+	uint32_t ret;
+	ret = tmp.octet[3] + (tmp.octet[2] << 8) + (tmp.octet[1] << 16);
+	ret -= 1;
+	return ret;
+}
+
+char *host_from_ip(ip_type4 internalip) {
+	char *res = NULL;
+	unsigned index = index_from_ip(internalip);
+	if(index < sblist_getsize(hostnames)) {
+		char **tmp = sblist_get(hostnames, index);
+		if(tmp && *tmp) res = *tmp;
+	}
+	return res;
+}
+
+ip_type4 get_ip_from_index(unsigned index) {
+	ip_type4 ret;
+	index++; // so we can start at .0.0.1
+	if(index > 0xFFFFFF)
+		return IPT4_INVALID;
+	ret.octet[0] = remote_subnet & 0xFF;
+	ret.octet[1] = (index & 0xFF0000) >> 16;
+	ret.octet[2] = (index & 0xFF00) >> 8;
+	ret.octet[3] = index & 0xFF;
+	return ret;
+}
+
+ip_type4 get_ip(char* hn) {
+	htab_value *v = htab_find(ip_lookup_table, hn);
+	if(v) return get_ip_from_index(v->n);
+	char *n = strdup(hn);
+	if(!n) return IPT4_INVALID;
+	if(!sblist_add(hostnames, &n)) {
+	o_out:;
+		free(n);
+		return IPT4_INVALID;
+	}
+	if(!htab_insert(ip_lookup_table, n, HTV_N(sblist_getsize(hostnames)-1))) {
+		sblist_delete(hostnames, sblist_getsize(hostnames)-1);
+		goto o_out;
+	}
+	return get_ip_from_index(sblist_getsize(hostnames)-1);
+}
+
+int main(int argc, char** argv) {
+	int ch;
+	const char *listenip = "127.0.0.1";
+	unsigned port = 1053;
+	remote_subnet = 224;
+	while((ch = getopt(argc, argv, ":r:i:p:")) != -1) {
+		switch(ch) {
+			case 'r':
+				remote_subnet = atoi(optarg);
+				break;
+			case 'i':
+				listenip = optarg;
+				break;
+			case 'p':
+				port = atoi(optarg);
+				break;
+			case ':':
+				dprintf(2, "error: option -%c requires an operand\n", optopt);
+				/* fall through */
+			case '?':
+				return usage(argv[0]);
+		}
+	}
+	signal(SIGPIPE, SIG_IGN);
+	struct server s;
+	if(server_setup(&s, listenip, port)) {
+		perror("server_setup");
+		return 1;
+	}
+	server = &s;
+
+	ip_lookup_table = htab_create(64);
+	hostnames = sblist_new(sizeof(char*), 64);
+
+	while(1) {
+		struct client c;
+		char ipstr_buf[INET6_ADDRSTRLEN+6+1];
+		char ip4str_buf[16];
+		struct at_msg msg, out;
+		size_t msgl = sizeof(msg);
+		int failed = 0;
+
+#define FAIL() do { failed=1; goto sendresp; } while(0)
+
+		if(server_waitclient(&s, &c, &msg, &msgl)) continue;
+		msg.h.datalen = ntohs(msg.h.datalen);
+		if(msgl != sizeof(msg.h)+msg.h.datalen) {
+			dolog("%s: invalid datalen\n", ipstr(&c.addr, ipstr_buf));
+			FAIL();
+		}
+
+		out.h.msgtype = msg.h.msgtype;
+		if(msg.h.msgtype == ATM_GETIP) {
+			if(!memchr(msg.m.host, 0, msg.h.datalen)) {
+				dolog("%s: nul terminator missing\n", ipstr(&c.addr, ipstr_buf));
+				FAIL();
+			}
+			out.h.datalen = sizeof(ip_type4);
+			out.m.ip = get_ip(msg.m.host);
+			failed = !memcmp(&out.m.ip, &IPT4_INVALID, 4);
+			dolog("%s requested ip for %s (%s)\n", ipstr(&c.addr, ipstr_buf),
+			      msg.m.host, failed?"FAIL":my_inet_ntoa((void*)&out.m.ip, ip4str_buf));
+			if(failed) FAIL();
+		} else if (msg.h.msgtype == ATM_GETNAME) {
+			if(msg.h.datalen != 4) {
+				dolog("%s: invalid len for getname request\n", ipstr(&c.addr, ipstr_buf));
+				FAIL();
+			}
+			char *hn = host_from_ip(msg.m.ip);
+			if(hn) {
+				size_t l = strlen(hn);
+				memcpy(out.m.host, hn, l+1);
+				out.h.datalen = l+1;
+			}
+			dolog("%s requested name for %s (%s)\n", ipstr(&c.addr, ipstr_buf),
+			      my_inet_ntoa((void*) &msg.m.ip, ip4str_buf), hn?hn:"FAIL");
+			if(!hn) FAIL();
+		} else {
+			dolog("%s: unknown request %u\n", ipstr(&c.addr, ipstr_buf),
+			      (unsigned) msg.h.msgtype);
+		}
+	sendresp:;
+		if(failed) {
+			out.h.msgtype = ATM_FAIL;
+			out.h.datalen = 0;
+		}
+		unsigned short dlen = out.h.datalen;
+		out.h.datalen = htons(dlen);
+		sendto(server->fd, &out, sizeof(out.h)+dlen, 0, (void*) &c.addr, SOCKADDR_UNION_LENGTH(&c.addr));
+	}
+}

src/daemon/hsearch.c

@@ -0,0 +1,188 @@
+/*
+musl license, hsearch.c originally written by Szabolcs Nagy
+
+Copyright © 2005-2020 Rich Felker, et al.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <stdlib.h>
+#include <string.h>
+#include "hsearch.h"
+
+/*
+open addressing hash table with 2^n table size
+quadratic probing is used in case of hash collision
+tab indices and hash are size_t
+after resize fails with ENOMEM the state of tab is still usable
+*/
+
+typedef struct htab_entry {
+	char *key;
+	htab_value data;
+} htab_entry;
+
+struct elem {
+	htab_entry item;
+	size_t hash;
+};
+
+struct htab {
+	struct elem *elems;
+	size_t mask;
+	size_t used;
+};
+
+#define MINSIZE 8
+#define MAXSIZE ((size_t)-1/2 + 1)
+
+static size_t keyhash(char *k)
+{
+	unsigned char *p = (void *)k;
+	size_t h = 0;
+
+	while (*p)
+		h = 31*h + *p++;
+	return h;
+}
+
+static int resize(struct htab *htab, size_t nel)
+{
+	size_t newsize;
+	size_t i, j;
+	struct elem *e, *newe;
+	struct elem *oldtab = htab->elems;
+	struct elem *oldend = htab->elems + htab->mask + 1;
+
+	if (nel > MAXSIZE)
+		nel = MAXSIZE;
+	for (newsize = MINSIZE; newsize < nel; newsize *= 2);
+	htab->elems = calloc(newsize, sizeof *htab->elems);
+	if (!htab->elems) {
+		htab->elems = oldtab;
+		return 0;
+	}
+	htab->mask = newsize - 1;
+	if (!oldtab)
+		return 1;
+	for (e = oldtab; e < oldend; e++)
+		if (e->item.key) {
+			for (i=e->hash,j=1; ; i+=j++) {
+				newe = htab->elems + (i & htab->mask);
+				if (!newe->item.key)
+					break;
+			}
+			*newe = *e;
+		}
+	free(oldtab);
+	return 1;
+}
+
+static struct elem *lookup(struct htab *htab, char *key, size_t hash)
+{
+	size_t i, j;
+	struct elem *e;
+
+	for (i=hash,j=1; ; i+=j++) {
+		e = htab->elems + (i & htab->mask);
+		if (!e->item.key ||
+		    (e->hash==hash && strcmp(e->item.key, key)==0))
+			break;
+	}
+	return e;
+}
+
+struct htab *htab_create(size_t nel)
+{
+	struct htab *r = calloc(1, sizeof *r);
+	if(r && !resize(r, nel)) {
+		free(r);
+		r = 0;
+	}
+	return r;
+}
+
+void htab_destroy(struct htab *htab)
+{
+	free(htab->elems);
+	free(htab);
+}
+
+static htab_entry *htab_find_item(struct htab *htab, char* key)
+{
+	size_t hash = keyhash(key);
+	struct elem *e = lookup(htab, key, hash);
+
+	if (e->item.key) {
+		return &e->item;
+	}
+	return 0;
+}
+
+htab_value* htab_find(struct htab *htab, char* key)
+{
+	htab_entry *i = htab_find_item(htab, key);
+	if(i) return &i->data;
+	return 0;
+}
+
+int htab_delete(struct htab *htab, char* key)
+{
+	htab_entry *i = htab_find_item(htab, key);
+	if(!i) return 0;
+	i->key = 0;
+	return 1;
+}
+
+int htab_insert(struct htab *htab, char* key, htab_value value)
+{
+	size_t hash = keyhash(key);
+	struct elem *e = lookup(htab, key, hash);
+	if(e->item.key) {
+		/* it's not allowed to overwrite existing data */
+		return 0;
+	}
+
+	e->item.key = key;
+	e->item.data = value;
+	e->hash = hash;
+	if (++htab->used > htab->mask - htab->mask/4) {
+		if (!resize(htab, 2*htab->used)) {
+			htab->used--;
+			e->item.key = 0;
+			return 0;
+		}
+	}
+	return 1;
+}
+
+size_t htab_next(struct htab *htab, size_t iterator, char** key, htab_value **v)
+{
+	size_t i;
+	for(i=iterator;i<htab->mask+1;++i) {
+		struct elem *e = htab->elems + i;
+		if(e->item.key) {
+			*key = e->item.key;
+			*v = &e->item.data;
+			return i+1;
+		}
+	}
+	return 0;
+}

src/daemon/hsearch.h

@@ -0,0 +1,21 @@
+#ifndef HSEARCH_H
+#define HSEARCH_H
+
+#include <stdlib.h>
+
+typedef union htab_value {
+	void *p;
+	size_t n;
+} htab_value;
+
+#define HTV_N(N) (htab_value) {.n = N}
+#define HTV_P(P) (htab_value) {.p = P}
+
+struct htab * htab_create(size_t);
+void htab_destroy(struct htab *);
+htab_value* htab_find(struct htab *, char* key);
+int htab_insert(struct htab *, char*, htab_value);
+int htab_delete(struct htab *htab, char* key);
+size_t htab_next(struct htab *, size_t iterator, char** key, htab_value **v);
+
+#endif

src/daemon/sblist.c

@@ -0,0 +1,73 @@
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200809L
+#include "sblist.h"
+#include <limits.h>
+#include <stdlib.h>
+#include <string.h>
+#define MY_PAGE_SIZE 4096
+
+sblist* sblist_new(size_t itemsize, size_t blockitems) {
+	sblist* ret = (sblist*) malloc(sizeof(sblist));
+	sblist_init(ret, itemsize, blockitems);
+	return ret;
+}
+
+static void sblist_clear(sblist* l) {
+	l->items = NULL;
+	l->capa = 0;
+	l->count = 0;
+}
+
+void sblist_init(sblist* l, size_t itemsize, size_t blockitems) {
+	if(l) {
+		l->blockitems = blockitems ? blockitems : MY_PAGE_SIZE / itemsize;
+		l->itemsize = itemsize;
+		sblist_clear(l);
+	}
+}
+
+void sblist_free_items(sblist* l) {
+	if(l) {
+		if(l->items) free(l->items);
+		sblist_clear(l);
+	}
+}
+
+void sblist_free(sblist* l) {
+	if(l) {
+		sblist_free_items(l);
+		free(l);
+	}
+}
+
+char* sblist_item_from_index(sblist* l, size_t idx) {
+	return l->items + (idx * l->itemsize);
+}
+
+void* sblist_get(sblist* l, size_t item) {
+	if(item < l->count) return (void*) sblist_item_from_index(l, item);
+	return NULL;
+}
+
+int sblist_set(sblist* l, void* item, size_t pos) {
+	if(pos >= l->count) return 0;
+	memcpy(sblist_item_from_index(l, pos), item, l->itemsize);
+	return 1;
+}
+
+int sblist_grow_if_needed(sblist* l) {
+	char* temp;
+	if(l->count == l->capa) {
+		temp = realloc(l->items, (l->capa + l->blockitems) * l->itemsize);
+		if(!temp) return 0;
+		l->capa += l->blockitems;
+		l->items = temp;
+	}
+	return 1;
+}
+
+int sblist_add(sblist* l, void* item) {
+	if(!sblist_grow_if_needed(l)) return 0;
+	l->count++;
+	return sblist_set(l, item, l->count - 1);
+}

src/daemon/sblist.h

@@ -0,0 +1,92 @@
+#ifndef SBLIST_H
+#define SBLIST_H
+
+/* this file is part of libulz, as of commit 8ab361a27743aaf025323ee43b8b8876dc054fdd
+   modified for direct inclusion in microsocks. */
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stddef.h>
+/*
+ * simple buffer list.
+ * 
+ * this thing here is basically a generic dynamic array
+ * will realloc after every blockitems inserts
+ * can store items of any size.
+ * 
+ * so think of it as a by-value list, as opposed to a typical by-ref list.
+ * you typically use it by having some struct on the stack, and pass a pointer
+ * to sblist_add, which will copy the contents into its internal memory.
+ * 
+ */
+
+typedef struct {
+	size_t itemsize;
+	size_t blockitems;
+	size_t count;
+	size_t capa;
+	char* items;
+} sblist;
+
+#define sblist_getsize(X) ((X)->count)
+#define sblist_get_count(X) ((X)->count)
+#define sblist_empty(X) ((X)->count == 0)
+
+// for dynamic style
+sblist* sblist_new(size_t itemsize, size_t blockitems);
+void sblist_free(sblist* l);
+
+//for static style
+void sblist_init(sblist* l, size_t itemsize, size_t blockitems);
+void sblist_free_items(sblist* l);
+
+// accessors
+void* sblist_get(sblist* l, size_t item);
+// returns 1 on success, 0 on OOM
+int sblist_add(sblist* l, void* item);
+int sblist_set(sblist* l, void* item, size_t pos);
+void sblist_delete(sblist* l, size_t item);
+char* sblist_item_from_index(sblist* l, size_t idx);
+int sblist_grow_if_needed(sblist* l);
+int sblist_insert(sblist* l, void* item, size_t pos);
+/* same as sblist_add, but returns list index of new item, or -1 */
+size_t sblist_addi(sblist* l, void* item);
+void sblist_sort(sblist *l, int (*compar)(const void *, const void *));
+/* insert element into presorted list, returns listindex of new entry or -1*/
+size_t sblist_insert_sorted(sblist* l, void* o, int (*compar)(const void *, const void *));
+
+#ifndef __COUNTER__
+#define __COUNTER__ __LINE__
+#endif
+
+#define __sblist_concat_impl( x, y ) x##y
+#define __sblist_macro_concat( x, y ) __sblist_concat_impl( x, y )
+#define __sblist_iterator_name __sblist_macro_concat(sblist_iterator, __COUNTER__)
+
+// use with custom iterator variable
+#define sblist_iter_counter(LIST, ITER, PTR) \
+	for(size_t ITER = 0; (PTR = sblist_get(LIST, ITER)), ITER < sblist_getsize(LIST); ITER++)
+
+// use with custom iterator variable, which is predeclared
+#define sblist_iter_counter2(LIST, ITER, PTR) \
+	for(ITER = 0; (PTR = sblist_get(LIST, ITER)), ITER < sblist_getsize(LIST); ITER++)
+
+// use with custom iterator variable, which is predeclared and signed
+// useful for a loop which can delete items from the list, and then decrease the iterator var.
+#define sblist_iter_counter2s(LIST, ITER, PTR) \
+	for(ITER = 0; (PTR = sblist_get(LIST, ITER)), ITER < (ssize_t) sblist_getsize(LIST); ITER++)
+
+
+// uses "magic" iterator variable
+#define sblist_iter(LIST, PTR) sblist_iter_counter(LIST, __sblist_iterator_name, PTR)
+
+#ifdef __cplusplus
+}
+#endif
+
+#pragma RcB2 DEP "sblist.c" "sblist_delete.c"
+
+#endif

src/daemon/sblist_delete.c

@@ -0,0 +1,9 @@
+#include "sblist.h"
+#include <string.h>
+
+void sblist_delete(sblist* l, size_t item) {
+	if (l->count && item < l->count) {
+		memmove(sblist_item_from_index(l, item), sblist_item_from_index(l, item + 1), (sblist_getsize(l) - (item + 1)) * l->itemsize);
+		l->count--;
+	}
+}

src/daemon/udpclient.c

@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include "../remotedns.h"
+#include "../ip_type.h"
+
+int main() {
+	int fd;
+	int port = 1053;
+	char srvn[] = "127.0.0.1";
+	struct sockaddr_in srva = {.sin_family = AF_INET, .sin_port = htons(port)};
+	inet_pton(AF_INET, srvn, &srva.sin_addr);
+	fd = socket(AF_INET, SOCK_DGRAM, 0);
+	char namebuf[260];
+	while(fgets(namebuf, sizeof namebuf, stdin)) {
+		size_t l = strlen(namebuf);
+		if(namebuf[l-1] == '\n') {
+			l--;
+			namebuf[l] = 0;
+		}
+		struct at_msg msg = {0};
+		unsigned msglen;
+		if(isdigit(namebuf[0])) {
+			msglen = 4;
+			msg.h.msgtype = ATM_GETNAME;
+			inet_aton(namebuf, (void*) &msg.m.ip);
+		} else {
+			msglen = l+1;
+			msg.h.msgtype = ATM_GETIP;
+			memcpy(msg.m.host, namebuf, msglen);
+		}
+		msg.h.datalen = htons(msglen);
+		sendto(fd, &msg, sizeof(msg.h)+msglen, 0, (void*)&srva, sizeof(srva));
+		char rcvbuf[512];
+		recvfrom(fd, rcvbuf, sizeof rcvbuf, 0, (void*)0, (void*)0);
+	}
+}

src/daemon/udpserver.c

@@ -0,0 +1,65 @@
+#include "udpserver.h"
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+int resolve(const char *host, unsigned short port, struct addrinfo** addr) {
+	struct addrinfo hints = {
+		.ai_family = AF_UNSPEC,
+		.ai_socktype = SOCK_STREAM,
+		.ai_flags = AI_PASSIVE,
+	};
+	char port_buf[8];
+	snprintf(port_buf, sizeof port_buf, "%u", port);
+	return getaddrinfo(host, port_buf, &hints, addr);
+}
+
+int resolve_sa(const char *host, unsigned short port, union sockaddr_union *res) {
+	struct addrinfo *ainfo = 0;
+	int ret;
+	SOCKADDR_UNION_AF(res) = AF_UNSPEC;
+	if((ret = resolve(host, port, &ainfo))) return ret;
+	memcpy(res, ainfo->ai_addr, ainfo->ai_addrlen);
+	freeaddrinfo(ainfo);
+	return 0;
+}
+
+int bindtoip(int fd, union sockaddr_union *bindaddr) {
+	socklen_t sz = SOCKADDR_UNION_LENGTH(bindaddr);
+	if(sz)
+		return bind(fd, (struct sockaddr*) bindaddr, sz);
+	return 0;
+}
+
+int server_waitclient(struct server *server, struct client* client, void* buf, size_t *buflen) {
+	socklen_t clen = sizeof client->addr;
+	ssize_t ret = recvfrom(server->fd, buf, *buflen, 0, (void*)&client->addr, &clen);
+	if(ret >= 0) {
+		*buflen = ret;
+		return 0;
+	}
+	return ret;
+}
+
+int server_setup(struct server *server, const char* listenip, unsigned short port) {
+	struct addrinfo *ainfo = 0;
+	if(resolve(listenip, port, &ainfo)) return -1;
+	struct addrinfo* p;
+	int listenfd = -1;
+	for(p = ainfo; p; p = p->ai_next) {
+		if((listenfd = socket(p->ai_family, SOCK_DGRAM, 0)) < 0)
+			continue;
+		int yes = 1;
+		setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
+		if(bind(listenfd, p->ai_addr, p->ai_addrlen) < 0) {
+			close(listenfd);
+			listenfd = -1;
+			continue;
+		}
+		break;
+	}
+	freeaddrinfo(ainfo);
+	if(listenfd < 0) return -2;
+	server->fd = listenfd;
+	return 0;
+}

src/daemon/udpserver.h

@@ -0,0 +1,48 @@
+#ifndef SERVER_H
+#define SERVER_H
+
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200809L
+
+#include <sys/socket.h>
+#include <netdb.h>
+#include <netinet/in.h>
+
+#pragma RcB2 DEP "udpserver.c"
+
+union sockaddr_union {
+	struct sockaddr_in  v4;
+	struct sockaddr_in6 v6;
+};
+
+#define SOCKADDR_UNION_AF(PTR) (PTR)->v4.sin_family
+
+#define SOCKADDR_UNION_LENGTH(PTR) ( \
+	( SOCKADDR_UNION_AF(PTR) == AF_INET  ) ? sizeof((PTR)->v4) : ( \
+	( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? sizeof((PTR)->v6) : 0 ) )
+
+#define SOCKADDR_UNION_ADDRESS(PTR) ( \
+	( SOCKADDR_UNION_AF(PTR) == AF_INET  ) ? (void*) &(PTR)->v4.sin_addr  : ( \
+	( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? (void*) &(PTR)->v6.sin6_addr : (void*) 0 ) )
+
+#define SOCKADDR_UNION_PORT(PTR) ( \
+	( SOCKADDR_UNION_AF(PTR) == AF_INET  ) ? (PTR)->v4.sin_port  : ( \
+	( SOCKADDR_UNION_AF(PTR) == AF_INET6 ) ? (PTR)->v6.sin6_port : 0 ) )
+
+struct client {
+	union sockaddr_union addr;
+};
+
+struct server {
+	int fd;
+};
+
+int resolve(const char *host, unsigned short port, struct addrinfo** addr);
+int resolve_sa(const char *host, unsigned short port, union sockaddr_union *res);
+int bindtoip(int fd, union sockaddr_union *bindaddr);
+
+int server_waitclient(struct server *server, struct client* client, void* buf, size_t *buflen);
+int server_setup(struct server *server, const char* listenip, unsigned short port);
+
+#endif
+

src/debug.c

@@ -0,0 +1,31 @@
+
+#ifdef DEBUG
+# include "core.h"
+# include "common.h"
+# include "debug.h"
+#include <arpa/inet.h>
+
+void dump_proxy_chain(proxy_data *pchain, unsigned int count) {
+	char ip_buf[INET6_ADDRSTRLEN];
+	for (; count; pchain++, count--) {
+		if(!inet_ntop(pchain->ip.is_v6?AF_INET6:AF_INET,pchain->ip.addr.v6,ip_buf,sizeof ip_buf)) {
+			proxychains_write_log(LOG_PREFIX "error: ip address conversion failed\n");
+			continue;
+		}
+		PDEBUG("[%s] %s %s:%d", proxy_state_strmap[pchain->ps],
+		       proxy_type_strmap[pchain->pt], 
+		       ip_buf, htons(pchain->port));
+		if (*pchain->user || *pchain->pass) {
+			PSTDERR(" [u=%s,p=%s]", pchain->user, pchain->pass);
+		}
+		PSTDERR("\n");
+	}
+}
+
+#else
+
+// Do not allow this translation unit to end up empty
+// for non-DEBUG builds, to satisfy ISO C standards.
+typedef int __appease_iso_compilers__;
+
+#endif

src/debug.h

@@ -0,0 +1,24 @@
+#ifndef DEBUG_H
+#define DEBUG_H
+
+# include <stdio.h>
+
+#ifdef DEBUG
+# define PSTDERR(fmt, args...) do { dprintf(2,fmt, ## args); } while(0)
+# define PDEBUG(fmt, args...) PSTDERR("DEBUG:pid[%d]:" fmt, getpid(), ## args)
+# define DEBUGDECL(args...) args
+# define DUMP_PROXY_CHAIN(A, B) dump_proxy_chain(A, B)
+#else
+# define PDEBUG(fmt, args...) do {} while (0)
+# define DEBUGDECL(args...)
+# define DUMP_PROXY_CHAIN(args...) do {} while (0)
+#endif
+
+# define PFUNC() do { PDEBUG("%s()\n", __FUNCTION__); } while(0)
+
+#include "core.h"
+void dump_proxy_chain(proxy_data *pchain, unsigned int count);
+
+
+#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/hostsreader.c

@@ -0,0 +1,96 @@
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include "common.h"
+
+/*
+   simple reader for /etc/hosts
+   it only supports comments, blank lines and lines consisting of an ipv4 hostname pair.
+   this is required so we can return entries from the host db without messing up the
+   non-thread-safe state of libc's gethostent().
+
+*/
+
+struct hostsreader {
+	FILE *f;
+	char* ip, *name;
+};
+
+int hostsreader_open(struct hostsreader *ctx) {
+	if(!(ctx->f = fopen("/etc/hosts", "r"))) return 0;
+	return 1;
+}
+
+void hostsreader_close(struct hostsreader *ctx) {
+	fclose(ctx->f);
+}
+
+int hostsreader_get(struct hostsreader *ctx, char* buf, size_t bufsize) {
+	while(1) {
+		if(!fgets(buf, bufsize, ctx->f)) return 0;
+		if(*buf == '#') continue;
+		char *p = buf;
+		size_t l = bufsize;
+		ctx->ip = p;
+		while(*p && !isspace(*p) && l) {
+			p++;
+			l--;
+		}
+		if(!l || !*p || p == ctx->ip) continue;
+		*p = 0;
+		p++;
+		while(*p && isspace(*p) && l) {
+			p++;
+			l--;
+		}
+		if(!l || !*p) continue;
+		ctx->name = p;
+		while(*p && !isspace(*p) && l) {
+			p++;
+			l--;
+		}
+		if(!l || !*p) continue;
+		*p = 0;
+		if(pc_isnumericipv4(ctx->ip)) return 1;
+	}
+}
+
+char* hostsreader_get_ip_for_name(const char* name, char* buf, size_t bufsize) {
+	struct hostsreader ctx;
+	char *res = 0;
+	if(!hostsreader_open(&ctx)) return 0;
+	while(hostsreader_get(&ctx, buf, bufsize)) {
+		if(!strcmp(ctx.name, name)) {
+			res = ctx.ip;
+			break;
+		}
+	}
+	hostsreader_close(&ctx);
+	return res;
+}
+
+#include "ip_type.h"
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+ip_type4 hostsreader_get_numeric_ip_for_name(const char* name) {
+	char *hres;
+	char buf[320];
+	if((hres = hostsreader_get_ip_for_name(name, buf, sizeof buf))) {
+		struct in_addr c;
+		inet_aton(hres, &c);
+		ip_type4 res;
+		memcpy(res.octet, &c.s_addr, 4);
+		return res;
+	} else return IPT4_INVALID;
+}
+
+#ifdef HOSTSREADER_TEST
+#include "ip_type.c"
+int main(int a, char**b) {
+	char buf[256];
+	if(a != 2) return 1;
+	char * ret = hostsreader_get_ip_for_name(b[1], buf, sizeof buf);
+	printf("%s\n", ret ? ret : "null");
+}
+#endif

src/ip_type.h

@@ -0,0 +1,25 @@
+#ifndef IP_TYPE_H
+#define IP_TYPE_H
+
+#include <stdint.h>
+
+typedef union {
+	unsigned char octet[4];
+	uint32_t as_int;
+} ip_type4;
+
+typedef struct {
+	union {
+		ip_type4 v4;
+		unsigned char v6[16];
+	} addr;
+	char is_v6;
+} ip_type;
+
+#define IPT4_INT(X) (ip_type4){.as_int = (X)}
+#define IPT4_INVALID IPT4_INT(-1)
+
+#define IPT4_BYTES(A,B,C,D) (ip_type4){.octet = {(A), (B), (C), (D)} }
+#define IPT4_LOCALHOST IPT4_BYTES(127,0,0,1)
+
+#endif

src/libproxychains.c

@@ -0,0 +1,794 @@
+/***************************************************************************
+                          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 <ctype.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"
+#include "rdns.h"
+
+#undef 		satosin
+#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
+
+#ifdef IS_SOLARIS
+#undef connect
+int __xnet_connect(int sock, const struct sockaddr *addr, unsigned int len);
+connect_t true___xnet_connect;
+#endif
+
+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;
+sendto_t true_sendto;
+
+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;
+unsigned int proxychains_proxy_offset = 0;
+int proxychains_got_chain_data = 0;
+unsigned int proxychains_max_chain = 1;
+unsigned int proxychains_fixed_chain = 0;
+int proxychains_quiet_mode = 0;
+enum dns_lookup_flavor proxychains_resolver = DNSLF_LIBC;
+localaddr_arg localnet_addr[MAX_LOCALNET];
+size_t num_localnet_addr = 0;
+dnat_arg dnats[MAX_DNAT];
+size_t num_dnats = 0;
+unsigned int remote_dns_subnet = 224;
+
+pthread_once_t init_once = PTHREAD_ONCE_INIT;
+
+static int init_l = 0;
+
+static 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 { if (! true_ ## X ) true_ ## X = load_sym( # X, X ); } while(0)
+
+#include "allocator_thread.h"
+
+const char *proxychains_get_version(void);
+
+static void setup_hooks(void) {
+	SETUP_SYM(connect);
+	SETUP_SYM(sendto);
+	SETUP_SYM(gethostbyname);
+	SETUP_SYM(getaddrinfo);
+	SETUP_SYM(freeaddrinfo);
+	SETUP_SYM(gethostbyaddr);
+	SETUP_SYM(getnameinfo);
+#ifdef IS_SOLARIS
+	SETUP_SYM(__xnet_connect);
+#endif
+	SETUP_SYM(close);
+}
+
+static int close_fds[16];
+static int close_fds_cnt = 0;
+
+static void do_init(void) {
+	srand(time(NULL));
+	core_initialize();
+
+	/* read the config file */
+	get_chain_data(proxychains_pd, &proxychains_proxy_count, &proxychains_ct);
+	DUMP_PROXY_CHAIN(proxychains_pd, proxychains_proxy_count);
+
+	proxychains_write_log(LOG_PREFIX "DLL init: proxychains-ng %s\n", proxychains_get_version());
+
+	setup_hooks();
+
+	while(close_fds_cnt) true_close(close_fds[--close_fds_cnt]);
+	init_l = 1;
+
+	rdns_init(proxychains_resolver);
+}
+
+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
+
+
+typedef enum {
+	RS_PT_NONE = 0,
+	RS_PT_SOCKS4,
+	RS_PT_SOCKS5,
+	RS_PT_HTTP
+} rs_proxyType;
+
+/*
+  proxy_from_string() taken from rocksock network I/O library (C) rofl0r
+  valid inputs:
+	socks5://user:password@proxy.domain.com:port
+	socks5://proxy.domain.com:port
+	socks4://proxy.domain.com:port
+	http://user:password@proxy.domain.com:port
+	http://proxy.domain.com:port
+
+	supplying port number is obligatory.
+	user:pass@ part is optional for http and socks5.
+	however, user:pass authentication is currently not implemented for http proxies.
+  return 1 on success, 0 on error.
+*/
+static int proxy_from_string(const char *proxystring,
+	char *type_buf,
+	char* host_buf,
+	int *port_n,
+	char *user_buf,
+	char* pass_buf)
+{
+	const char* p;
+	rs_proxyType proxytype;
+
+	size_t next_token = 6, ul = 0, pl = 0, hl;
+	if(!proxystring[0] || !proxystring[1] || !proxystring[2] || !proxystring[3] || !proxystring[4] || !proxystring[5]) goto inv_string;
+	if(*proxystring == 's') {
+		switch(proxystring[5]) {
+			case '5': proxytype = RS_PT_SOCKS5; break;
+			case '4': proxytype = RS_PT_SOCKS4; break;
+			default: goto inv_string;
+		}
+	} else if(*proxystring == 'h') {
+		proxytype = RS_PT_HTTP;
+		next_token = 4;
+	} else goto inv_string;
+	if(
+	   proxystring[next_token++] != ':' ||
+	   proxystring[next_token++] != '/' ||
+	   proxystring[next_token++] != '/') goto inv_string;
+	const char *at = strrchr(proxystring+next_token, '@');
+	if(at) {
+		if(proxytype == RS_PT_SOCKS4)
+			return 0;
+		p = strchr(proxystring+next_token, ':');
+		if(!p || p >= at) goto inv_string;
+		const char *u = proxystring+next_token;
+		ul = p-u;
+		p++;
+		pl = at-p;
+		if(proxytype == RS_PT_SOCKS5 && (ul > 255 || pl > 255))
+			return 0;
+		memcpy(user_buf, u, ul);
+		user_buf[ul]=0;
+		memcpy(pass_buf, p, pl);
+		pass_buf[pl]=0;
+		next_token += 2+ul+pl;
+	} else {
+		user_buf[0]=0;
+		pass_buf[0]=0;
+	}
+	const char* h = proxystring+next_token;
+	p = strchr(h, ':');
+	if(!p) goto inv_string;
+	hl = p-h;
+	if(hl > 255)
+		return 0;
+	memcpy(host_buf, h, hl);
+	host_buf[hl]=0;
+	*port_n = atoi(p+1);
+	switch(proxytype) {
+		case RS_PT_SOCKS4:
+			strcpy(type_buf, "socks4");
+			break;
+		case RS_PT_SOCKS5:
+			strcpy(type_buf, "socks5");
+			break;
+		case RS_PT_HTTP:
+			strcpy(type_buf, "http");
+			break;
+		default:
+			return 0;
+	}
+	return 1;
+inv_string:
+	return 0;
+}
+
+static const char* bool_str(int bool_val) {
+	if(bool_val) return "true";
+	return "false";
+}
+
+#define STR_STARTSWITH(P, LIT) (!strncmp(P, LIT, sizeof(LIT)-1))
+/* 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 buf[1024], type[1024], host[1024], user[1024];
+	char *buff, *env, *p;
+	char local_in_addr_port[32];
+	char local_in_addr[32], local_in_port[32], local_netmask[32];
+	char dnat_orig_addr_port[32], dnat_new_addr_port[32];
+	char dnat_orig_addr[32], dnat_orig_port[32], dnat_new_addr[32], dnat_new_port[32];
+	char rdnsd_addr[32], rdnsd_port[8];
+	FILE *file = NULL;
+
+	if(proxychains_got_chain_data)
+		return;
+
+	PFUNC();
+
+	//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), buf, sizeof(buf));
+	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(buf, sizeof(buf), file)) {
+		buff = buf;
+		/* remove leading whitespace */
+		while(isspace(*buff)) buff++;
+		/* remove trailing '\n' */
+		if((p = strrchr(buff, '\n'))) *p = 0;
+		p = buff + strlen(buff)-1;
+		/* remove trailing whitespace */
+		while(p >= buff && isspace(*p)) *(p--) = 0;
+		if(!*buff || *buff == '#') continue; /* skip empty lines and comments */
+		if(1) {
+			/* 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;
+
+				int ret = sscanf(buff, "%s %s %d %s %s", type, host, &port_n, pd[count].user, pd[count].pass);
+				if(ret < 3 || ret == EOF) {
+					if(!proxy_from_string(buff, type, host, &port_n, pd[count].user, pd[count].pass)) {
+						inv:
+						fprintf(stderr, "error: invalid item in proxylist section: %s", buff);
+						exit(1);
+					}
+				}
+
+				memset(&pd[count].ip, 0, sizeof(pd[count].ip));
+				pd[count].ip.is_v6 = !!strchr(host, ':');
+				pd[count].port = htons((unsigned short) port_n);
+				ip_type* host_ip = &pd[count].ip;
+				if(1 != inet_pton(host_ip->is_v6 ? AF_INET6 : AF_INET, host, host_ip->addr.v6)) {
+					if(*ct == STRICT_TYPE && proxychains_resolver >= DNSLF_RDNS_START && count > 0) {
+						/* we can allow dns hostnames for all but the first proxy in the list if chaintype is strict, as remote lookup can be done */
+						rdns_init(proxychains_resolver);
+						ip_type4 internal_ip = at_get_ip_for_host(host, strlen(host));
+						pd[count].ip.is_v6 = 0;
+						host_ip->addr.v4 = internal_ip;
+						if(internal_ip.as_int == IPT4_INVALID.as_int)
+							goto inv_host;
+					} else {
+inv_host:
+						fprintf(stderr, "proxy %s has invalid value or is not numeric\n", host);
+						fprintf(stderr, "non-numeric ips are only allowed under the following circumstances:\n");
+						fprintf(stderr, "chaintype == strict (%s), proxy is not first in list (%s), proxy_dns active (%s)\n\n", bool_str(*ct == STRICT_TYPE), bool_str(count > 0), rdns_resolver_string(proxychains_resolver));
+						exit(1);
+					}
+				}
+
+				if(!strcmp(type, "http")) {
+					pd[count].pt = HTTP_TYPE;
+				} else if(!strcmp(type, "raw")) {
+					pd[count].pt = RAW_TYPE;
+				} else if(!strcmp(type, "socks4")) {
+					pd[count].pt = SOCKS4_TYPE;
+				} else if(!strcmp(type, "socks5")) {
+					pd[count].pt = SOCKS5_TYPE;
+				} else
+					goto inv;
+
+				if(port_n)
+					count++;
+			} else {
+				if(!strcmp(buff, "[ProxyList]")) {
+					list = 1;
+				} else if(!strcmp(buff, "random_chain")) {
+					*ct = RANDOM_TYPE;
+				} else if(!strcmp(buff, "strict_chain")) {
+					*ct = STRICT_TYPE;
+				} else if(!strcmp(buff, "dynamic_chain")) {
+					*ct = DYNAMIC_TYPE;
+				} else if(!strcmp(buff, "round_robin_chain")) {
+					*ct = ROUND_ROBIN_TYPE;
+				} else if(STR_STARTSWITH(buff, "tcp_read_time_out")) {
+					sscanf(buff, "%s %d", user, &tcp_read_time_out);
+				} else if(STR_STARTSWITH(buff, "tcp_connect_time_out")) {
+					sscanf(buff, "%s %d", user, &tcp_connect_time_out);
+				} else if(STR_STARTSWITH(buff, "remote_dns_subnet")) {
+					sscanf(buff, "%s %u", 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(STR_STARTSWITH(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(STR_STARTSWITH(buff, "chain_len")) {
+					char *pc;
+					int len;
+					pc = strchr(buff, '=');
+					if(!pc) {
+						fprintf(stderr, "error: missing equals sign '=' in chain_len directive.\n");
+						exit(1);
+					}
+					len = atoi(++pc);
+					proxychains_max_chain = (len ? len : 1);
+				} else if(STR_STARTSWITH(buff, "fixed_len")) {
+					char *pc;
+					int len;
+					pc = strchr(buff, '=');
+					if(!pc) {
+						fprintf(stderr, "error: missing equals sign '=' in fixed_len directive.\n");
+						exit(1);
+					}
+					len = atoi(++pc);
+					proxychains_fixed_chain = (len ? len : 1);
+				} else if(!strcmp(buff, "quiet_mode")) {
+					proxychains_quiet_mode = 1;
+				} else if(!strcmp(buff, "proxy_dns_old")) {
+					proxychains_resolver = DNSLF_FORKEXEC;
+				} else if(!strcmp(buff, "proxy_dns")) {
+					proxychains_resolver = DNSLF_RDNS_THREAD;
+				} else if(STR_STARTSWITH(buff, "proxy_dns_daemon")) {
+					struct sockaddr_in rdns_server_buffer;
+
+					if(sscanf(buff, "%s %15[^:]:%5s", user, rdnsd_addr, rdnsd_port) < 3) {
+						fprintf(stderr, "proxy_dns_daemon format error\n");
+						exit(1);
+					}
+					rdns_server_buffer.sin_family = AF_INET;
+					int error = inet_pton(AF_INET, rdnsd_addr, &rdns_server_buffer.sin_addr);
+					if(error <= 0) {
+						fprintf(stderr, "bogus proxy_dns_daemon address\n");
+						exit(1);
+					}
+					rdns_server_buffer.sin_port = htons(atoi(rdnsd_port));
+					proxychains_resolver = DNSLF_RDNS_DAEMON;
+					rdns_set_daemon(&rdns_server_buffer);
+				} else if(STR_STARTSWITH(buff, "dnat")) {
+					if(sscanf(buff, "%s %21[^ ] %21s\n", user, dnat_orig_addr_port, dnat_new_addr_port) < 3) {
+						fprintf(stderr, "dnat format error");
+						exit(1);
+					}
+					/* clean previously used buffer */
+					memset(dnat_orig_port, 0, sizeof(dnat_orig_port) / sizeof(dnat_orig_port[0]));
+					memset(dnat_new_port, 0, sizeof(dnat_new_port) / sizeof(dnat_new_port[0]));
+
+					(void)sscanf(dnat_orig_addr_port, "%15[^:]:%5s", dnat_orig_addr, dnat_orig_port);
+					(void)sscanf(dnat_new_addr_port, "%15[^:]:%5s", dnat_new_addr, dnat_new_port);
+
+					if(num_dnats < MAX_DNAT) {
+						int error;
+						error =
+						    inet_pton(AF_INET, dnat_orig_addr,
+							      &dnats[num_dnats].orig_dst);
+						if(error <= 0) {
+							fprintf(stderr, "dnat original destination address error\n");
+							exit(1);
+						}
+
+						error =
+						    inet_pton(AF_INET, dnat_new_addr,
+							      &dnats[num_dnats].new_dst);
+						if(error <= 0) {
+							fprintf(stderr, "dnat effective destination address error\n");
+							exit(1);
+						}
+
+						if(dnat_orig_port[0]) {
+							dnats[num_dnats].orig_port =
+							    (short) atoi(dnat_orig_port);
+						} else {
+							dnats[num_dnats].orig_port = 0;
+						}
+
+						if(dnat_new_port[0]) {
+							dnats[num_dnats].new_port =
+							    (short) atoi(dnat_new_port);
+						} else {
+							dnats[num_dnats].new_port = 0;
+						}
+
+						PDEBUG("added dnat: orig-dst=%s orig-port=%d new-dst=%s new-port=%d\n", dnat_orig_addr, dnats[num_dnats].orig_port, dnat_new_addr, dnats[num_dnats].new_port);
+						++num_dnats;
+					} else {
+						fprintf(stderr, "# of dnat exceed %d.\n", MAX_DNAT);
+					}
+				}
+			}
+		}
+	}
+#ifndef BROKEN_FCLOSE
+	fclose(file);
+#endif
+	if(!count) {
+		fprintf(stderr, "error: no valid proxy found in config\n");
+		exit(1);
+	}
+	if(proxychains_max_chain <= proxychains_fixed_chain) {
+		fprintf(stderr, "error: fixed_len needs to be smaller than chain_len\n");
+		exit(1);
+	}
+	if(proxychains_fixed_chain > count) {
+		fprintf(stderr, "error: fixed_len > proxycount\n");
+		exit(1);
+	}
+	*proxy_count = count;
+	proxychains_got_chain_data = 1;
+	PDEBUG("proxy_dns: %s\n", rdns_resolver_string(proxychains_resolver));
+}
+
+/*******  HOOK FUNCTIONS  *******/
+
+int close(int fd) {
+	if(!init_l) {
+		if(close_fds_cnt>=(sizeof close_fds/sizeof close_fds[0])) goto err;
+		close_fds[close_fds_cnt++] = fd;
+		errno = 0;
+		return 0;
+	}
+	if(proxychains_resolver != DNSLF_RDNS_THREAD) return true_close(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);
+	}
+	err:
+	errno = EBADF;
+	return -1;
+}
+static int is_v4inv6(const struct in6_addr *a) {
+	return !memcmp(a->s6_addr, "\0\0\0\0\0\0\0\0\0\0\xff\xff", 12);
+}
+int connect(int sock, const struct sockaddr *addr, unsigned int len) {
+	INIT();
+	PFUNC();
+
+	int socktype = 0, flags = 0, ret = 0;
+	socklen_t optlen = 0;
+	ip_type dest_ip;
+	DEBUGDECL(char str[256]);
+
+	struct in_addr *p_addr_in;
+	struct in6_addr *p_addr_in6;
+	dnat_arg *dnat = NULL;
+	unsigned short port;
+	size_t i;
+	int remote_dns_connect = 0;
+	optlen = sizeof(socktype);
+	sa_family_t fam = SOCKFAMILY(*addr);
+	getsockopt(sock, SOL_SOCKET, SO_TYPE, &socktype, &optlen);
+	if(!((fam  == AF_INET || fam == AF_INET6) && socktype == SOCK_STREAM))
+		return true_connect(sock, addr, len);
+
+	int v6 = dest_ip.is_v6 = fam == AF_INET6;
+
+	p_addr_in = &((struct sockaddr_in *) addr)->sin_addr;
+	p_addr_in6 = &((struct sockaddr_in6 *) addr)->sin6_addr;
+	port = !v6 ? ntohs(((struct sockaddr_in *) addr)->sin_port)
+	           : ntohs(((struct sockaddr_in6 *) addr)->sin6_port);
+	struct in_addr v4inv6;
+	if(v6 && is_v4inv6(p_addr_in6)) {
+		memcpy(&v4inv6.s_addr, &p_addr_in6->s6_addr[12], 4);
+		v6 = dest_ip.is_v6 = 0;
+		p_addr_in = &v4inv6;
+	}
+	if(!v6 && !memcmp(p_addr_in, "\0\0\0\0", 4)) {
+		errno = ECONNREFUSED;
+		return -1;
+	}
+
+//      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(v6 ? AF_INET6 : AF_INET, v6 ? (void*)p_addr_in6 : (void*)p_addr_in, str, sizeof(str)));
+	PDEBUG("port: %d\n", port);
+
+	// check if connect called from proxydns
+        remote_dns_connect = !v6 && (ntohl(p_addr_in->s_addr) >> 24 == remote_dns_subnet);
+
+	// more specific first
+	if (!v6) for(i = 0; i < num_dnats && !remote_dns_connect && !dnat; i++)
+		if(dnats[i].orig_dst.s_addr == p_addr_in->s_addr)
+			if(dnats[i].orig_port && (dnats[i].orig_port == port))
+				dnat = &dnats[i];
+
+	if (!v6) for(i = 0; i < num_dnats && !remote_dns_connect && !dnat; i++)
+		if(dnats[i].orig_dst.s_addr == p_addr_in->s_addr)
+			if(!dnats[i].orig_port)
+				dnat = &dnats[i];
+
+	if (dnat) {
+		p_addr_in = &dnat->new_dst;
+		if (dnat->new_port)
+			port = dnat->new_port;
+	}
+
+	if (!v6) 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);
+
+	memcpy(dest_ip.addr.v6, v6 ? (void*)p_addr_in6 : (void*)p_addr_in, v6?16:4);
+
+	ret = connect_proxy_chain(sock,
+				  dest_ip,
+				  htons(port),
+				  proxychains_pd, proxychains_proxy_count, proxychains_ct);
+
+	fcntl(sock, F_SETFL, flags);
+	if(ret != SUCCESS)
+		errno = ECONNREFUSED;
+	return ret;
+}
+
+#ifdef IS_SOLARIS
+int __xnet_connect(int sock, const struct sockaddr *addr, unsigned int len) {
+	return connect(sock, addr, len);
+}
+#endif
+
+static struct gethostbyname_data ghbndata;
+struct hostent *gethostbyname(const char *name) {
+	INIT();
+	PDEBUG("gethostbyname: %s\n", name);
+
+	if(proxychains_resolver == DNSLF_FORKEXEC)
+		return proxy_gethostbyname_old(name);
+	else if(proxychains_resolver == DNSLF_LIBC)
+		return true_gethostbyname(name);
+	else
+		return proxy_gethostbyname(name, &ghbndata);
+
+	return NULL;
+}
+
+int getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res) {
+	INIT();
+	PDEBUG("getaddrinfo: %s %s\n", node ? node : "null", service ? service : "null");
+
+	if(proxychains_resolver != DNSLF_LIBC)
+		return proxy_getaddrinfo(node, service, hints, res);
+	else
+		return true_getaddrinfo(node, service, hints, res);
+}
+
+void freeaddrinfo(struct addrinfo *res) {
+	INIT();
+	PDEBUG("freeaddrinfo %p \n", (void *) res);
+
+	if(proxychains_resolver == DNSLF_LIBC)
+		true_freeaddrinfo(res);
+	else
+		proxy_freeaddrinfo(res);
+}
+
+int pc_getnameinfo(const struct sockaddr *sa, socklen_t salen,
+	           char *host, socklen_t hostlen, char *serv,
+	           socklen_t servlen, int flags)
+{
+	INIT();
+	PFUNC();
+
+	if(proxychains_resolver == DNSLF_LIBC) {
+		return true_getnameinfo(sa, salen, host, hostlen, serv, servlen, flags);
+	} else {
+		if(!salen || !(SOCKFAMILY(*sa) == AF_INET || SOCKFAMILY(*sa) == AF_INET6))
+			return EAI_FAMILY;
+		int v6 = SOCKFAMILY(*sa) == AF_INET6;
+		if(salen < (v6?sizeof(struct sockaddr_in6):sizeof(struct sockaddr_in)))
+			return EAI_FAMILY;
+		if(hostlen) {
+			unsigned char v4inv6buf[4];
+			const void *ip = v6 ? (void*)&((struct sockaddr_in6*)sa)->sin6_addr
+			                    : (void*)&((struct sockaddr_in*)sa)->sin_addr;
+			unsigned scopeid = 0;
+			if(v6) {
+				if(is_v4inv6(&((struct sockaddr_in6*)sa)->sin6_addr)) {
+					memcpy(v4inv6buf, &((struct sockaddr_in6*)sa)->sin6_addr.s6_addr[12], 4);
+					ip = v4inv6buf;
+					v6 = 0;
+				} else
+					scopeid = ((struct sockaddr_in6 *)sa)->sin6_scope_id;
+			}
+			if(!inet_ntop(v6?AF_INET6:AF_INET,ip,host,hostlen))
+				return EAI_OVERFLOW;
+			if(scopeid) {
+				size_t l = strlen(host);
+				if(snprintf(host+l, hostlen-l, "%%%u", scopeid) >= hostlen-l)
+					return EAI_OVERFLOW;
+			}
+		}
+		if(servlen) {
+			if(snprintf(serv, servlen, "%d", ntohs(SOCKPORT(*sa))) >= servlen)
+				return EAI_OVERFLOW;
+		}
+	}
+	return 0;
+}
+
+struct hostent *gethostbyaddr(const void *addr, socklen_t len, int type) {
+	INIT();
+	PDEBUG("TODO: proper gethostbyaddr hook\n");
+
+	static char buf[16];
+	static char ipv4[4];
+	static char *list[2];
+	static char *aliases[1];
+	static struct hostent he;
+
+	if(proxychains_resolver == DNSLF_LIBC)
+		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;
+}
+
+#ifndef MSG_FASTOPEN
+#   define MSG_FASTOPEN 0x20000000
+#endif
+
+ssize_t sendto(int sockfd, const void *buf, size_t len, int flags,
+	       const struct sockaddr *dest_addr, socklen_t addrlen) {
+	INIT();
+	PFUNC();
+	if (flags & MSG_FASTOPEN) {
+		if (!connect(sockfd, dest_addr, addrlen) && errno != EINPROGRESS) {
+			return -1;
+		}
+		dest_addr = NULL;
+		addrlen = 0;
+		flags &= ~MSG_FASTOPEN;
+	}
+	return true_sendto(sockfd, buf, len, flags, dest_addr, addrlen);
+}

src/main.c

@@ -0,0 +1,160 @@
+/*   (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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#define _DEFAULT_SOURCE
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#ifdef IS_MAC
+#define _DARWIN_C_SOURCE
+#endif
+#include <dlfcn.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 one 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[] = {
+#ifndef SUPER_SECURE /* CVE-2015-3887 */
+	".",
+#endif
+	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 || l >= sizeof(own_dir))
+#ifdef SUPER_SECURE
+		memcpy(own_dir, "/dev/null/", 11);
+#else
+		memcpy(own_dir, ".", 2);
+#endif
+	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;
+
+	if(argc == 2 && !strcmp(argv[1], "--help"))
+		return usage(argv);
+
+	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
+
+	Dl_info dli;
+	dladdr(own_dir, &dli);
+	set_own_dir(dli.dli_fname);
+
+	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);
+
+#ifdef IS_MAC
+	putenv("DYLD_FORCE_FLAT_NAMESPACE=1");
+#define LD_PRELOAD_ENV "DYLD_INSERT_LIBRARIES"
+#define LD_PRELOAD_SEP ":"
+#else
+#define LD_PRELOAD_ENV "LD_PRELOAD"
+/* all historic implementations of BSD and linux dynlinkers seem to support
+   space as LD_PRELOAD separator, with colon added only recently.
+   we use the old syntax for maximum compat */
+#define LD_PRELOAD_SEP " "
+#endif
+	char *old_val = getenv(LD_PRELOAD_ENV);
+	snprintf(buf, sizeof(buf), LD_PRELOAD_ENV "=%s/%s%s%s",
+	         prefix, dll_name,
+	         /* append previous LD_PRELOAD content, if existent */
+	         old_val ? LD_PRELOAD_SEP : "",
+	         old_val ? old_val : "");
+	putenv(buf);
+	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 +1,166 @@
+# 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
+#
+#round_robin_chain
+#
+# Round Robin - Each connection will be done via chained proxies
+# of chain_len length
+# 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).
+# the start of the current proxy chain is the proxy after the last
+# proxy in the previously invoked proxy chain.
+# if the end of the proxy chain is reached while looking for proxies
+# start at the beginning again.
+# otherwise EINTR is returned to the app
+# These semantics are not guaranteed in a multithreaded environment.
+#
+#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 or round_robin_chain
+#chain_len = 2
+
+# use this if you want to use e.g. random_chain but always have
+# e.g. tor as first proxy. in that case only chain_len - fixed_len proxies
+# will be used for random chain.
+# currently only implemented for dynamic_chain and random_chain.
+#fixed_len = 1
+
+# Quiet mode (no output from library)
+#quiet_mode
+
+## Proxy DNS requests - no leak for DNS data
+# (disable all of the 3 items below to not proxy your DNS requests)
+
+# method 1. this uses the proxychains4 style method to do remote dns:
+# a thread is spawned that serves DNS requests and hands down an ip
+# assigned from an internal list (via remote_dns_subset).
+# this is the easiest (setup-wise) and fastest method, however on
+# systems with buggy libcs and very complex software like webbrosers
+# this might not work and/or cause crashes.
+proxy_dns
+
+# method 2. use the old proxyresolv script to proxy DNS requests
+# in proxychains 3.1 style. requires `proxyresolv` in $PATH
+# plus a dynamically linked `dig` binary.
+# this is a lot slower than `proxy_dns`, doesn't support .onion URLs,
+# but might be more compatible with complex software like webbrowsers.
+#proxy_dns_old
+
+# method 3. use proxychains4-daemon process to serve remote DNS requests.
+# this is similar to the threaded `proxy_dns` method, however it requires
+# that proxychains4-daemon is already running on the specified address.
+# on the plus side it doesn't do malloc/threads so it should be quite
+# compatible with complex, async-unsafe software.
+# note that if you don't start proxychains4-daemon before using this,
+# the process will simply hang.
+#proxy_dns_daemon 127.0.0.1:1053
+
+# 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.
+## note that localnet works only when plain IPv4 addresses are passed to the app,
+## the hostname resolves via /etc/hosts, or proxy_dns is disabled or proxy_dns_old used.
+
+## 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
+
+### Examples for dnat
+## Trying to proxy connections to destinations which are dnatted,
+## will result in proxying connections to the new given destinations.
+## Whenever I connect to 1.1.1.1 on port 1234 actually connect to 1.1.1.2 on port 443
+# dnat 1.1.1.1:1234  1.1.1.2:443
+
+## Whenever I connect to 1.1.1.1 on port 443 actually connect to 1.1.1.2 on port 443
+## (no need to write :443 again)
+# dnat 1.1.1.2:443  1.1.1.2
+
+## No matter what port I connect to on 1.1.1.1 port actually connect to 1.1.1.2 on port 443
+# dnat 1.1.1.1  1.1.1.2:443
+
+## Always, instead of connecting to 1.1.1.1, connect to 1.1.1.2
+# dnat 1.1.1.1  1.1.1.2
+
+# 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, raw
+#         * raw: The traffic is simply forwarded to the proxy without modification.
+#        ( 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 +1,23 @@
+#!/bin/sh
+# This is a legacy script that uses "dig" or "drill" to do DNS lookups via TCP.
+
+# DNS server used to resolve names
+test -z "$DNS_SERVER" && DNS_SERVER=8.8.8.8
+
+
+if [ $# = 0 ] ; then
+	echo "	usage:"
+	echo "		proxyresolv <hostname> "
+	exit
+fi
+
+
+test -z $LD_PRELOAD && export LD_PRELOAD=libproxychains4.so
+
+if type dig 1>/dev/null 2>&1 ; then
+dig       $1 @$DNS_SERVER +tcp | awk '/A.?[0-9]+\.[0-9]+\.[0-9]/{print $5;}'
+elif type drill 1>/dev/null 2>&1 ; then
+drill -t4 $1 @$DNS_SERVER      | awk '/A.+[0-9]+\.[0-9]+\.[0-9]/{print $5;}'
+else
+echo "error: neither dig nor drill found" >&2
+fi

src/rdns.c

@@ -0,0 +1,99 @@
+#include <sys/socket.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "rdns.h"
+#include "allocator_thread.h"
+#include "remotedns.h"
+
+#ifndef HAVE_SOCK_CLOEXEC
+#define SOCK_CLOEXEC 0
+#endif
+
+//static enum dns_lookup_flavor dns_flavor;
+#define dns_flavor rdns_get_flavor()
+
+static struct sockaddr_in rdns_server;
+
+size_t rdns_daemon_get_host_for_ip(ip_type4 ip, char* readbuf) {
+	struct at_msg msg = {
+		.h.msgtype = ATM_GETNAME,
+		.h.datalen = htons(4),
+		.m.ip = ip,
+	};
+	int fd = socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC, 0);
+	sendto(fd, &msg, sizeof(msg.h)+4, 0, (void*)&rdns_server, sizeof(rdns_server));
+	recvfrom(fd, &msg, sizeof msg, 0, (void*)0, (void*)0);
+	close(fd);
+	msg.h.datalen = ntohs(msg.h.datalen);
+	if(!msg.h.datalen || msg.h.datalen > 256) return 0;
+	memcpy(readbuf, msg.m.host, msg.h.datalen);
+	return msg.h.datalen - 1;
+}
+
+static ip_type4 rdns_daemon_get_ip_for_host(char* host, size_t len) {
+	struct at_msg msg = {
+		.h.msgtype = ATM_GETIP,
+	};
+	if(len >= 256) return IPT4_INT(-1);
+	memcpy(msg.m.host, host, len+1);
+	msg.h.datalen = htons(len+1);
+	int fd = socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC, 0);
+	sendto(fd, &msg, sizeof(msg.h)+len+1, 0, (void*)&rdns_server, sizeof(rdns_server));
+	recvfrom(fd, &msg, sizeof msg, 0, (void*)0, (void*)0);
+	close(fd);
+	if(ntohs(msg.h.datalen) != 4) return IPT4_INT(-1);
+	return msg.m.ip;
+}
+
+const char *rdns_resolver_string(enum dns_lookup_flavor flavor) {
+	static const char tab[][7] = {
+		[DNSLF_LIBC] = "off",
+		[DNSLF_FORKEXEC] = "old",
+		[DNSLF_RDNS_THREAD] = "thread",
+		[DNSLF_RDNS_DAEMON] = "daemon",
+	};
+	return tab[flavor];
+}
+
+void rdns_init(enum dns_lookup_flavor flavor) {
+	static int init_done = 0;
+	if(!init_done) switch(flavor) {
+		case DNSLF_RDNS_THREAD:
+			at_init();
+			break;
+		case DNSLF_RDNS_DAEMON:
+		default:
+			break;
+	}
+	init_done = 1;
+}
+
+void rdns_set_daemon(struct sockaddr_in* addr) {
+	rdns_server = *addr;
+}
+
+#if 0
+enum dns_lookup_flavor rdns_get_flavor(void) {
+	return dns_flavor;
+}
+#endif
+
+size_t rdns_get_host_for_ip(ip_type4 ip, char* readbuf) {
+	switch(dns_flavor) {
+		case DNSLF_RDNS_THREAD: return at_get_host_for_ip(ip, readbuf);
+		case DNSLF_RDNS_DAEMON: return rdns_daemon_get_host_for_ip(ip, readbuf);
+		default:
+			abort();
+	}
+}
+
+ip_type4 rdns_get_ip_for_host(char* host, size_t len) {
+	switch(dns_flavor) {
+		case DNSLF_RDNS_THREAD: return at_get_ip_for_host(host, len);
+		case DNSLF_RDNS_DAEMON: return rdns_daemon_get_ip_for_host(host, len);
+		default:
+			abort();
+	}
+}
+

src/rdns.h

@@ -0,0 +1,28 @@
+#ifndef RDNS_H
+#define RDNS_H
+
+#include <unistd.h>
+#include <netinet/in.h>
+#include "ip_type.h"
+#include "remotedns.h"
+
+enum dns_lookup_flavor {
+	DNSLF_LIBC = 0,
+	DNSLF_FORKEXEC,
+
+	DNSLF_RDNS_START,
+	DNSLF_RDNS_THREAD = DNSLF_RDNS_START,
+	DNSLF_RDNS_DAEMON,
+};
+
+void rdns_init(enum dns_lookup_flavor flavor);
+void rdns_set_daemon(struct sockaddr_in* addr);
+const char *rdns_resolver_string(enum dns_lookup_flavor flavor);
+size_t rdns_get_host_for_ip(ip_type4 ip, char* readbuf);
+ip_type4 rdns_get_ip_for_host(char* host, size_t len);
+
+//enum dns_lookup_flavor rdns_get_flavor(void);
+#define rdns_get_flavor() proxychains_resolver
+extern enum dns_lookup_flavor proxychains_resolver;
+
+#endif

src/remotedns.h

@@ -0,0 +1,31 @@
+#ifndef REMOTEDNS_H
+#define REMOTEDNS_H
+
+#include <unistd.h>
+#include "ip_type.h"
+
+#define MSG_LEN_MAX 256
+
+enum at_msgtype {
+	ATM_GETIP = 0,
+	ATM_GETNAME,
+	ATM_FAIL,
+	ATM_EXIT,
+};
+
+struct at_msghdr {
+	unsigned char msgtype; /* at_msgtype */
+	char reserved;
+	unsigned short datalen;
+};
+
+struct at_msg {
+	struct at_msghdr h;
+	union {
+		char host[260];
+		ip_type4 ip;
+	} m;
+};
+
+#endif
+

src/version.c

@@ -0,0 +1,6 @@
+#include "version.h"
+static const char version[] = VERSION;
+const char *proxychains_get_version(void) {
+	return version;
+}
+

stamp-h.in

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

tests/test_getaddrinfo.c

@@ -0,0 +1,51 @@
+#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
+
+static int doit(const char* host, const char* service) {
+	struct addrinfo *result;
+	struct addrinfo *res;
+	int error;
+
+	/* resolve the domain name into a list of addresses */
+	error = getaddrinfo(host, service, 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;
+		}
+		int port = 0;
+		if(res->ai_family == AF_INET) port = ((struct sockaddr_in*)res->ai_addr)->sin_port;
+		else if(res->ai_family == AF_INET6) port = ((struct sockaddr_in6*)res->ai_addr)->sin6_port;
+		port = ntohs(port);
+		printf("hostname: %s, port: %d\n", hostname, port);
+	}
+
+	freeaddrinfo(result);
+	return EXIT_SUCCESS;
+}
+
+int main(void) {
+	int ret;
+	ret = doit("www.example.com", NULL);
+	ret = doit("www.example.com", "80");
+	return ret;
+}

tests/test_gethostbyname.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <netdb.h>
+#include "../src/common.c"
+
+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;
+	if(argc == 1) return 1;
+	ret = gethostbyname(argv[1]);
+	if(ret) printhostent(ret);
+	return 0;
+}

tests/test_gethostent.c

@@ -0,0 +1,24 @@
+#include <netdb.h>
+#include <stdio.h>
+#include "../src/common.c"
+
+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 +1,127 @@
+#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)
+
+#define ASSERT(X) { if(!(X)) printf("ASSERTION FAILED: %s @%s:%d\n", # X, __FILE__, __LINE__); }
+#define CLR() { hbuf[0] = 0; sbuf[0] = 0; }
+
+int main() {
+	struct sockaddr_in a = {0}, *sa = &a;
+	char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV];
+	a.sin_port = htons(80);
+	memcpy(  &a.sin_addr   , (char[]) {127,0,0,1}, 4);
+
+	int ret;
+
+	if ((ret = getnameinfo((void*)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);
+	CLR();
+
+	if ((ret = getnameinfo((void*)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);
+	CLR();
+
+	SOCKFAMILY(a) = AF_INET;
+
+	if ((ret = getnameinfo((void*)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);
+	CLR();
+
+	if ((ret = getnameinfo((void*)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);
+	CLR();
+
+	if ((ret = getnameinfo((void*)sa, sizeof(a) - 1, 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 == EAI_FAMILY);
+	CLR();
+
+	if ((ret = getnameinfo((void*)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 && !strcmp("80", sbuf));
+	CLR();
+
+	if ((ret = getnameinfo((void*)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 && !strcmp("127.0.0.1",hbuf));
+	CLR();
+
+
+	if ((ret = getnameinfo((void*)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 && !strcmp("127.0.0.1",hbuf) && !strcmp("80", sbuf));
+	CLR();
+
+	struct sockaddr_in6 b = {0}, *sb = &b;
+	b.sin6_port = htons(8080);
+	b.sin6_family = AF_INET6;
+
+	memcpy(&b.sin6_addr,"\0\0\0\0\0\0\0\0\0\0\xff\xff\xc0\xa8\1\2", 16);
+
+	if ((ret = getnameinfo((void*)sb, sizeof b, 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 && !strcmp("192.168.1.2",hbuf) && !strcmp("8080", sbuf));
+	CLR();
+
+	b.sin6_scope_id = 3;
+	memcpy(&b.sin6_addr,"\0\0\xaa\0\0\0\0\0\0\0\0\xff\xc0\xa8\1\2", 16);
+
+	if ((ret = getnameinfo((void*)sb, sizeof b, hbuf, sizeof(hbuf), sbuf,
+	    sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV | NI_NUMERICSCOPE)) == 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_sendto.c

@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+
+#ifndef MSG_FASTOPEN
+#   define MSG_FASTOPEN 0x20000000
+#endif
+
+void error(const char *msg)
+{
+	perror(msg);
+	exit(1);
+}
+
+int main(int argc, char *argv[])
+{
+	if (argc < 4) {
+		printf("Usage: %s host port method(connect or sendto)\n", argv[0]);
+		return 1;
+	}
+	const char *hostname = argv[1];
+	const int portno = atoi(argv[2]);
+	const char *method = argv[3];
+	char request[BUFSIZ];
+	sprintf(request, "GET / HTTP/1.0\r\nHost: %s\r\n\r\n", hostname);
+	int sockfd, n;
+	struct sockaddr_in serv_addr;
+	struct hostent *server;
+
+	char buffer[BUFSIZ];
+	sockfd = socket(AF_INET, SOCK_STREAM, 0);
+	if (sockfd < 0) error("ERROR opening socket");
+	server = gethostbyname(hostname);
+	if (server == NULL) {
+		fprintf(stderr, "%s: no such host\n", hostname);
+		return 1;
+	}
+	memset(&serv_addr, 0, sizeof(serv_addr));
+	serv_addr.sin_family = AF_INET;
+	memcpy(&serv_addr.sin_addr.s_addr, server->h_addr, server->h_length);
+	serv_addr.sin_port = htons(portno);
+	if (!strcmp(method, "connect")) {
+	  if (connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0)
+		  error("connect");
+	  n = send(sockfd, request, strlen(request), 0);
+	} else if (!strcmp(method, "sendto")) {
+	  n = sendto(sockfd, request, strlen(request), MSG_FASTOPEN, (struct sockaddr *)&serv_addr, sizeof(serv_addr));
+	} else {
+	  printf("Unknown method %s\n", method);
+	  return 1;
+	}
+	if (n < 0)
+		 error("send");
+	memset(buffer, 0, BUFSIZ);
+	n = read(sockfd, buffer, BUFSIZ - 1);
+	if (n < 0)
+		 error("ERROR reading from socket");
+	printf("%s\n", buffer);
+	close(sockfd);
+	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;
+	
+}

tests/test_v4_in_v6.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+
+static void v4_to_v6(const struct in_addr *v4, struct in6_addr *v6) {
+	memset(v6, 0, sizeof(*v6));
+	v6->s6_addr[10]=0xff;
+	v6->s6_addr[11]=0xff;
+	memcpy(&v6->s6_addr[12], &v4->s_addr, 4);
+}
+
+int main(void) {
+	struct addrinfo *result;
+	struct addrinfo *res;
+	const struct addrinfo hints = { .ai_family = AF_INET };
+	int error, sock;
+
+	/* resolve the domain name into a list of addresses */
+	error = getaddrinfo("www.example.com", NULL, &hints, &result);
+	if (error != 0)	{
+		fprintf(stderr, "error in getaddrinfo: %s\n", gai_strerror(error));
+		return EXIT_FAILURE;
+	}
+	if((sock=socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1) {
+		perror("socket");
+		return EXIT_FAILURE;
+	}
+	struct sockaddr_in6 a = { .sin6_family = AF_INET6,
+	                          .sin6_port = htons(80) };
+	v4_to_v6(&((struct sockaddr_in *)result->ai_addr)->sin_addr, &a.sin6_addr);
+	freeaddrinfo(result);
+
+	if((error = connect(sock, (struct sockaddr *)&a, sizeof(a))) == -1) {
+		perror("connect");
+		return EXIT_FAILURE;
+	}
+
+	return EXIT_SUCCESS;
+}

tools/install.sh

@@ -0,0 +1,64 @@
+#!/bin/sh
+#
+# This is an actually-safe install command which installs the new
+# file atomically in the new location, rather than overwriting
+# existing files.
+#
+
+usage() {
+printf "usage: %s [-D] [-l] [-m mode] src dest\n" "$0" 1>&2
+exit 1
+}
+
+mkdirp=
+symlink=
+mode=755
+
+while getopts Dlm: name ; do
+case "$name" in
+D) mkdirp=yes ;;
+l) symlink=yes ;;
+m) mode=$OPTARG ;;
+?) usage ;;
+esac
+done
+shift $(($OPTIND - 1))
+
+test "$#" -eq 2 || usage
+src=$1
+dst=$2
+tmp="$dst.tmp.$$"
+
+case "$dst" in
+*/) printf "%s: %s ends in /\n", "$0" "$dst" 1>&2 ; exit 1 ;;
+esac
+
+set -C
+set -e
+
+if test "$mkdirp" ; then
+umask 022
+case "$2" in
+*/*) mkdir -p "${dst%/*}" ;;
+esac
+fi
+
+trap 'rm -f "$tmp"' EXIT INT QUIT TERM HUP
+
+umask 077
+
+if test "$symlink" ; then
+ln -s "$1" "$tmp"
+else
+cat < "$1" > "$tmp"
+chmod "$mode" "$tmp"
+fi
+
+mv -f "$tmp" "$2"
+test -d "$2" && {
+rm -f "$2/$tmp"
+printf "%s: %s is a directory\n" "$0" "$dst" 1>&2
+exit 1
+}
+
+exit 0

tools/version.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+if test -d .git ; then
+if type git >/dev/null 2>&1 ; then
+git describe --tags --match 'v[0-9]*' 2>/dev/null \
+| sed -e 's/^v//' -e 's/-/-git-/'
+else
+sed 's/$/-git/' < VERSION
+fi
+else
+cat VERSION
+fi