Added a simple embedded GPL dhcp server for ReactOS by

Carlos Manuel Duclos Vergara

TODO:
Make it a real Window Service
Make it use the registry rather than dhcpd.conf
.......

svn path=/trunk/; revision=11198
This commit is contained in:
Steven Edwards
2004-10-05 13:09:46 +00:00
parent e345820c8e
commit 528acaf7b3
58 changed files with 5183 additions and 0 deletions
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*.coff
*.d
*.o
*.sym
*.exe
*.map
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Carlos Duclos Vergara, <carlos at embedded dot cl>
Pablo Bleyer Kocik, <pbleyer at embedded dot cl>
Manuel Jander, <mjander at embedded dot cl>
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2002020701:
- I rewrite completely the code to get an ip.
- I delete threads beacuse of some deadlocks.
- I add _finally_ support for static ip host.
2002013002:
- After some web surf and some hack there is (i hope so!) a windows port, please BE CAREFULL because i have no way to test it.
2002013001:
- After a lot of work, this is finally working and now is being ported to auto GNU tools.
- I will add the routines to compile it under MSW boxes with winsock.
20020121:
- Well, we have a working version with configuration file and with reduced functionality. If you find bugs, please report them. This version is the last and i'm accepting patches for this version.
20020117:
- Finally there is an alpha release. From now i will start logging what i'm doing.
This alpha release was compiled in a SuSE Linux 7.2 box, i've tested it with my embedded device
and it works. I've tested with one MS Windows 98 workstations and it doesn't work.
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NOTE:
->*nix Systems: use the configure script and everything should work without problems.
->MSW: FIRST you need the mingw compiler (i think cygwin must work too, but you will have to modify the configure.in and change MINGW32 for CYGWIN)
Then, run configure and pray. If it finds everything it needs (the only thing missed may be the pthreads library) is ready to compile.
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+2
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@@ -0,0 +1,2 @@
20020130:
Finally autoconf and company are working. Now i will work on windows port.
+19
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@@ -0,0 +1,19 @@
Disclaimer:
This project is released under GPL, see COPYING to get an idea of what this means.
Building:
To build this you need a C compiler (i used gcc 2.95-3), and some luck.
Just type make, i'm working on autoconf and automake but is not finished yet.
Running:
For some reason in some circumstances you have to add the following to your route table:
route add -host 255.255.255.255 dev eth0
That is needed to allow the distribution of packets to the address 255.255.255.255 (as said in RFC 1531).
NOTE FOR WINDOWS USERS:
I don't know how to add that route in MSW systems, looku yourself for help on that.
Comments:
Well, comments are always welcome. It doesn't matter if you want to tell me that i suck. If you find some bug and want to report it please do it to my email at:
[email protected] with subject [ecl-dhcp]. If the circumstances allow that i will create a mail list.
+6
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@@ -0,0 +1,6 @@
Embedded DHCP Server for ReactOS - Carlos Manuel Duclos Vergara
TODO:
Make it a real Windows Service
Use the registry rather than a config file
Fix a few races and check to see how it can scale.
+8
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@@ -0,0 +1,8 @@
There are two kind of things, the essentials and the optionals.
Optionals:
- Implement a way to bypass the IP stack and send packets directly.
- Sort and beauty the code, maybe rewritting in C++.
Essentials:
- Compile it and test it in MS Windows platforms(work in progress).
+104
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@@ -0,0 +1,104 @@
dnl aclocal.m4 generated automatically by aclocal 1.4
dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
dnl PARTICULAR PURPOSE.
# Do all the work for Automake. This macro actually does too much --
# some checks are only needed if your package does certain things.
# But this isn't really a big deal.
# serial 1
dnl Usage:
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AC_DEFUN(AM_INIT_AUTOMAKE,
[AC_REQUIRE([AC_PROG_INSTALL])
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AC_SUBST(PACKAGE)
VERSION=[$2]
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+26
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@@ -0,0 +1,26 @@
# This file is a shell script that caches the results of configure
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ac_cv_prog_make_make_set=${ac_cv_prog_make_make_set=yes}
+25
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@@ -0,0 +1,25 @@
/* config.h. Generated automatically by configure. */
/* config.h.in. Generated automatically from configure.in by autoheader. */
/* #undef MINGW32 */
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/* Version number of package */
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+24
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@@ -0,0 +1,24 @@
/* config.h.in. Generated automatically from configure.in by autoheader. */
#undef MINGW32
/* Define if you have the ANSI C header files. */
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/* Define if you have the socket function. */
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/* Define if you have the <pthread.h> header file. */
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/* Name of package */
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+1
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@@ -0,0 +1 @@
#undef MINGW32
+22
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@@ -0,0 +1,22 @@
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
configure:557: checking for a BSD compatible install
configure:610: checking whether build environment is sane
configure:667: checking whether make sets ${MAKE}
configure:713: checking for working aclocal
configure:726: checking for working autoconf
configure:739: checking for working automake
configure:752: checking for working autoheader
configure:765: checking for working makeinfo
configure:783: checking for gcc
configure:896: checking whether the C compiler (gcc ) works
configure:912: gcc -o conftest conftest.c 1>&5
configure:938: checking whether the C compiler (gcc ) is a cross-compiler
configure:943: checking whether we are using GNU C
configure:971: checking whether gcc accepts -g
configure:1005: checking how to run the C preprocessor
configure:1085: checking for ANSI C header files
configure:1192: checking for unistd.h
configure:1230: checking for mingw32 environment
configure:1262: checking for socket
+251
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@@ -0,0 +1,251 @@
#! /bin/sh
# Generated automatically by configure.
# Run this file to recreate the current configuration.
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echo "/* $ac_file. Generated automatically by configure. */" > conftest.h
cat conftest.in >> conftest.h
rm -f conftest.in
if cmp -s $ac_file conftest.h 2>/dev/null; then
echo "$ac_file is unchanged"
rm -f conftest.h
else
# Remove last slash and all that follows it. Not all systems have dirname.
ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
# The file is in a subdirectory.
test ! -d "$ac_dir" && mkdir "$ac_dir"
fi
rm -f $ac_file
mv conftest.h $ac_file
fi
fi; done
exit 0
+1678
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File diff suppressed because it is too large Load Diff
+24
View File
@@ -0,0 +1,24 @@
dnl Process this file with autoconf to produce a configure script.
AC_INIT(src/main.c)
AM_INIT_AUTOMAKE( dhcptool, 0.0.1-alpha)
AC_CONFIG_HEADER(config.h)
dnl Checks for programs.
AC_PROG_CC
dnl Checks for libraries.
dnl AC_CHECK_LIB(pthread, pthread_create, ,exit)
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h)
dnl AC_CHECK_HEADERS(pthread.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_MINGW32
dnl Checks for library functions.
AC_CHECK_FUNCS(socket)
AC_OUTPUT(Makefile src/Makefile)
+38
View File
@@ -0,0 +1,38 @@
#include <defines.h>
#include <reactos/resource.h>
LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
VS_VERSION_INFO VERSIONINFO
FILEVERSION RES_UINT_FV_MAJOR,RES_UINT_FV_MINOR,RES_UINT_FV_REVISION,RES_UINT_FV_BUILD
PRODUCTVERSION RES_UINT_PV_MAJOR,RES_UINT_PV_MINOR,RES_UINT_PV_REVISION,RES_UINT_PV_BUILD
FILEFLAGSMASK 0x3fL
#ifdef _DEBUG
FILEFLAGS 0x1L
#else
FILEFLAGS 0x0L
#endif
FILEOS 0x40004L
FILETYPE 0x2L
FILESUBTYPE 0x0L
BEGIN
BLOCK "StringFileInfo"
BEGIN
BLOCK "040904b0"
BEGIN
VALUE "CompanyName", RES_STR_COMPANY_NAME
VALUE "FileDescription", "Event logging service\0"
VALUE "FileVersion", RES_STR_FILE_VERSION
VALUE "InternalName", "EventLog\0"
VALUE "LegalCopyright", RES_STR_LEGAL_COPYRIGHT
VALUE "OriginalFilename", "EventLog.exe\0"
VALUE "ProductName", RES_STR_PRODUCT_NAME
VALUE "ProductVersion", RES_STR_PRODUCT_VERSION
END
END
BLOCK "VarFileInfo"
BEGIN
VALUE "Translation", 0x409, 1200
END
END
+251
View File
@@ -0,0 +1,251 @@
#!/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 $dst ]; then
instcmd=:
chmodcmd=""
else
instcmd=mkdir
fi
else
# Waiting for this to be detected by the "$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
+37
View File
@@ -0,0 +1,37 @@
# $Id: makefile,v 1.1 2004/10/05 13:09:45 sedwards Exp $
PATH_TO_TOP = ../..
TARGET_TYPE = program
TARGET_APPTYPE = console
TARGET_NAME = dhcpd
TARGET_CFLAGS = \
-Wall
TARGET_CFLAGS += -Isrc/include
TARGET_SDKLIBS = ws2_32.a
TARGET_OBJECTS = \
src/main.o \
src/display/display.o \
src/leases/leases.o \
src/lock/locker.o \
src/parsing/parser.o \
src/utils/iputils.o \
src/utils/macutils.o
# src/utils/wutils.o
DEP_OBJECTS = $(TARGET_OBJECTS)
include $(PATH_TO_TOP)/rules.mak
include $(TOOLS_PATH)/helper.mk
include $(TOOLS_PATH)/depend.mk
# EOF
+190
View File
@@ -0,0 +1,190 @@
#! /bin/sh
# Common stub for a few missing GNU programs while installing.
# Copyright (C) 1996, 1997 Free Software Foundation, Inc.
# Franc,ois Pinard <[email protected]>, 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
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
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
yacc create \`y.tab.[ch]', if possible, from existing .[ch]"
;;
-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
echo "missing - GNU libit 0.0"
;;
-*)
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
;;
*)
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
+40
View File
@@ -0,0 +1,40 @@
#! /bin/sh
# mkinstalldirs --- make directory hierarchy
# Author: Noah Friedman <[email protected]>
# Created: 1993-05-16
# Public domain
# $Id: mkinstalldirs,v 1.1 2004/10/05 13:09:45 sedwards 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
+8
View File
@@ -0,0 +1,8 @@
# DHCP CONFIGURATION, DO NOT ERASE OR MOVE THIS LINE!
subnet 192.168.2.0
lease 30
range 2 5
mask 255.255.255.0
router 192.168.2.1
server 192.168.2.1
# DHCP CONFIGURATION, DO NOT ERASE OR MOVE THIS LINE!
+6
View File
@@ -0,0 +1,6 @@
*.coff
*.d
*.o
*.sym
*.exe
*.map
+6
View File
@@ -0,0 +1,6 @@
SUBDIRS = display leases parsing utils
INCLUDES = -Iinclude
CFLAGS = display.o leases.o parser.o utils.o -Wall
bin_PROGRAMS = dhcp
dhcp_SOURCES = main.c
dhcp_OBJS = display.o leases.o parser.o utils.o
+388
View File
@@ -0,0 +1,388 @@
# Makefile.in generated automatically by automake 1.4 from Makefile.am
# Copyright (C) 1994, 1995-8, 1999 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 = :
CC = @CC@
MAKEINFO = @MAKEINFO@
PACKAGE = @PACKAGE@
VERSION = @VERSION@
SUBDIRS = display leases parsing utils
INCLUDES = -Iinclude
CFLAGS = display.o leases.o parser.o utils.o -Wall
bin_PROGRAMS = dhcp
dhcp_SOURCES = main.c
dhcp_OBJS = display.o leases.o parser.o utils.o
mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
CONFIG_HEADER = ../config.h
CONFIG_CLEAN_FILES =
PROGRAMS = $(bin_PROGRAMS)
DEFS = @DEFS@ -I. -I$(srcdir) -I..
CPPFLAGS = @CPPFLAGS@
LDFLAGS = @LDFLAGS@
LIBS = @LIBS@
dhcp_OBJECTS = main.o
dhcp_LDADD = $(LDADD)
dhcp_DEPENDENCIES =
dhcp_LDFLAGS =
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
CCLD = $(CC)
LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
DIST_COMMON = Makefile.am Makefile.in
DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
TAR = tar
GZIP_ENV = --best
DEP_FILES = .deps/main.P
SOURCES = $(dhcp_SOURCES)
OBJECTS = $(dhcp_OBJECTS)
all: all-redirect
.SUFFIXES:
.SUFFIXES: .S .c .o .s
$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4)
cd $(top_srcdir) && $(AUTOMAKE) --gnu src/Makefile
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status $(BUILT_SOURCES)
cd $(top_builddir) \
&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
mostlyclean-binPROGRAMS:
clean-binPROGRAMS:
-test -z "$(bin_PROGRAMS)" || rm -f $(bin_PROGRAMS)
distclean-binPROGRAMS:
maintainer-clean-binPROGRAMS:
install-binPROGRAMS: $(bin_PROGRAMS)
@$(NORMAL_INSTALL)
$(mkinstalldirs) $(DESTDIR)$(bindir)
@list='$(bin_PROGRAMS)'; for p in $$list; do \
if test -f $$p; then \
echo " $(INSTALL_PROGRAM) $$p $(DESTDIR)$(bindir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`"; \
$(INSTALL_PROGRAM) $$p $(DESTDIR)$(bindir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`; \
else :; fi; \
done
uninstall-binPROGRAMS:
@$(NORMAL_UNINSTALL)
list='$(bin_PROGRAMS)'; for p in $$list; do \
rm -f $(DESTDIR)$(bindir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`; \
done
.s.o:
$(COMPILE) -c $<
.S.o:
$(COMPILE) -c $<
mostlyclean-compile:
-rm -f *.o core *.core
clean-compile:
distclean-compile:
-rm -f *.tab.c
maintainer-clean-compile:
dhcp: $(dhcp_OBJECTS) $(dhcp_DEPENDENCIES)
@rm -f dhcp
$(LINK) $(dhcp_LDFLAGS) $(dhcp_OBJECTS) $(dhcp_LDADD) $(LIBS)
# 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 = src
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 src/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-binPROGRAMS
install-exec: install-exec-recursive
install-data-am:
install-data: install-data-recursive
install-am: all-am
@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
install: install-recursive
uninstall-am: uninstall-binPROGRAMS
uninstall: uninstall-recursive
all-am: Makefile $(PROGRAMS)
all-redirect: all-recursive
install-strip:
$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
installdirs: installdirs-recursive
installdirs-am:
$(mkinstalldirs) $(DESTDIR)$(bindir)
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-binPROGRAMS mostlyclean-compile \
mostlyclean-tags mostlyclean-depend mostlyclean-generic
mostlyclean: mostlyclean-recursive
clean-am: clean-binPROGRAMS clean-compile clean-tags clean-depend \
clean-generic mostlyclean-am
clean: clean-recursive
distclean-am: distclean-binPROGRAMS distclean-compile distclean-tags \
distclean-depend distclean-generic clean-am
distclean: distclean-recursive
maintainer-clean-am: maintainer-clean-binPROGRAMS \
maintainer-clean-compile 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-binPROGRAMS distclean-binPROGRAMS clean-binPROGRAMS \
maintainer-clean-binPROGRAMS uninstall-binPROGRAMS install-binPROGRAMS \
mostlyclean-compile distclean-compile clean-compile \
maintainer-clean-compile 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-am install-data install-am install 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
# 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:
+9
View File
@@ -0,0 +1,9 @@
# DHCP CONFIGURATION, DO NOT ERASE OR MOVE THIS LINE!
subnet 192.168.2.0
lease 30
range 2 5
mask 255.255.255.0
router 192.168.2.1
server 192.168.2.1
host 52:54:40:22:65:BD 192.168.2.200
# DHCP CONFIGURATION, DO NOT ERASE OR MOVE THIS LINE!
@@ -0,0 +1,6 @@
*.coff
*.d
*.o
*.sym
*.exe
*.map
@@ -0,0 +1,63 @@
#include <stdio.h>
#include <headers.h>
#include <datatypes.h>
#include <display.h>
#include <options.h>
int display_dhcp_packet( DHCPMESSAGE *dhcpm, DHCPOPTIONS *dhcpo )
{
char *mtype;
if( dhcpm == NULL )
return -1;
fprintf( stdout, "op: %s\t|htype: %s\t|hlen: %u\t|hops: %u\n", (dhcpm->op == 1)?"BOOTREQUEST":"BOOTREPLY", (dhcpm->htype==1)?"Ethernet 10Mb":"unknown", dhcpm->hlen, dhcpm->hops);
fprintf( stdout, "xid: %u \n", dhcpm->xid );
fprintf( stdout, "secs: %u\t\t|flags: %u\n", dhcpm->secs, dhcpm->flags );
fprintf( stdout, "ciaddr: %u.%u.%u.%u \n", (dhcpm->ciaddr >> 24), ((dhcpm->ciaddr>>16)&0xFF), ((dhcpm->ciaddr>>8)&0xFF), ((dhcpm->ciaddr)&0xFF));
fprintf( stdout, "yiaddr: %u.%u.%u.%u \n", (dhcpm->yiaddr >> 24), ((dhcpm->yiaddr>>16)&0xFF), ((dhcpm->yiaddr>>8)&0xFF), ((dhcpm->yiaddr)&0xFF));
fprintf( stdout, "siaddr: %u.%u.%u.%u \n", (dhcpm->siaddr >> 24), ((dhcpm->siaddr>>16)&0xFF), ((dhcpm->siaddr>>8)&0xFF), ((dhcpm->siaddr)&0xFF));
fprintf( stdout, "giaddr: %u.%u.%u.%u \n", (dhcpm->giaddr >> 24), ((dhcpm->giaddr>>16)&0xFF), ((dhcpm->giaddr>>8)&0xFF), ((dhcpm->giaddr)&0xFF));
fprintf( stdout, "chaddr: %X::%X::%X::%X::%X::%X \n", dhcpm->chaddr[0], dhcpm->chaddr[1], dhcpm->chaddr[2], dhcpm->chaddr[3], dhcpm->chaddr[4], dhcpm->chaddr[5] );
fprintf( stdout, "sname: %s \n", dhcpm->sname );
fprintf( stdout, "file: %s \n", dhcpm->file );
/* options come here */
switch( dhcpo->type )
{
case DHCPDISCOVER:
mtype = (char *)malloc( strlen( "DHCPDISCOVER" ) +1);
strcpy( mtype, "DHCPDISCOVER" );
break;
case DHCPREQUEST:
mtype = (char *)malloc( strlen( "DHCPREQUEST" ) +1);
strcpy( mtype, "DHCPREQUEST" );
break;
case DHCPACK:
mtype = (char *)malloc( strlen( "DHCPACK" ) +1);
strcpy( mtype, "DHCPACK" );
break;
case DHCPNAK:
mtype = (char *)malloc( strlen( "DHCPNAK" ) +1);
strcpy( mtype, "DHCPNAK" );
break;
case DHCPRELEASE:
mtype = (char *)malloc( strlen( "DHCPRELEASE" ) +1);
strcpy( mtype, "DHCPRELEASE" );
break;
case DHCPDECLINE:
mtype = (char *)malloc( strlen( "DHCPDECLINE" ) +1);
strcpy( mtype, "DHCPDECLINE" );
break;
case DHCPOFFER:
mtype = (char *)malloc( strlen( "DHCPOFFER" ) +1);
strcpy( mtype, "DHCPOFFER" );
break;
default:
mtype = (char *)malloc( strlen("Unknown Type") +1);
strcpy( mtype, "Unknown Type" );
break;
}
fprintf( stdout, "Message Type: %s \n", mtype );
return 0;
}
@@ -0,0 +1,56 @@
#ifndef DATATYPES_H
#define DATATYPES_H
typedef unsigned char u8b;
typedef unsigned short u16b;
typedef unsigned int u32b;
typedef struct{
u8b op;
u8b htype;
u8b hlen;
u8b hops;
u32b xid;
u16b secs;
u16b flags;
u32b ciaddr;
u32b yiaddr;
u32b siaddr;
u32b giaddr;
u8b chaddr[16];
u8b sname[64];
u8b file[128];
u8b options[312];
} DHCPMESSAGE;
typedef struct{
u8b type;
u32b r_ip;
u32b r_mask;
u32b r_router;
u32b r_lease;
char *hostname;
} DHCPOPTIONS;
typedef struct{
u32b ip;
u32b router;
u32b mask;
u32b lease;
u32b siaddr;
} DHCPLEASE;
struct _DHCPLIST{
u8b available;
u32b xid;
u8b chaddr[16];
u8b type;
u32b ltime;
DHCPLEASE data;
struct _DHCPLIST *next;
struct _DHCPLIST *back;
};
typedef struct _DHCPLIST DHCPLIST;
#endif
@@ -0,0 +1,6 @@
#ifndef DISPLAY_H
#define DISPLAY_H
int display_dhcp_packet( DHCPMESSAGE *, DHCPOPTIONS *);
#endif
@@ -0,0 +1,23 @@
#ifndef HEADERS_H
#define HEADERS_H
#ifdef __MINGW32__
#include <winsock.h>
#else
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#endif
#endif
@@ -0,0 +1,7 @@
#ifndef IPUTILS_H
#define IPUTILS_H
int split_ip( char *, u8b *, int );
int get_ip( char *, u32b * );
#endif
@@ -0,0 +1,10 @@
#ifndef LEASES_H
#define LEASES_H
extern DHCPLIST *list;
int find_lease( DHCPLEASE *, u32b, u8b * );
int init_leases_list();
int confirm_lease( DHCPLEASE *, u32b );
int release_lease( DHCPLEASE *, u32b, u8b * );
#endif
+11
View File
@@ -0,0 +1,11 @@
#ifndef LOCK_H
#define LOCK_H
extern DHCPLIST *leased_list;
int check_leased_list();
static int test_and_set();
int lock_list();
int unlock_list();
#endif
@@ -0,0 +1,7 @@
#ifndef MACUTILS_H
#define MACUTILS_H
int maccmp( u8b *, u8b *);
int maccpy( u8b *, u8b *);
#endif
@@ -0,0 +1,115 @@
/* This software is GPL, see http://www.gnu.org to see exactly what it means */
/* This file contains some useful constant declarations */
#ifndef OPTIONS_H
#define OPTIONS_H
#define VERSION "ecl-dhcp-0.0.2-snoopy"
#define MAX_PROCESS_TIME 15
#define FALSE 0
#define TRUE 1
#define BOOTREQUEST 0x1
#define BOOTREPLY 0x2
/* Message types */
#define DHCPDISCOVER 0x1
#define DHCPOFFER 0x2
#define DHCPREQUEST 0x3
#define DHCPDECLINE 0x4
#define DHCPACK 0x5
#define DHCPNAK 0x6
#define DHCPRELEASE 0x7
#define DHCPINFORM 0x8
#define PAD 0x00
#define MASK 0x01
#define TOFFSET 0x02
#define ROUTER 0x03
#define TIMESERVER 0x04
#define NS 0x05
#define DNS 0x06
#define LOGSERVER 0x07
#define COOKIESERVER 0x08
#define LPRSERVER 0x09
#define IMPSERVER 0x0A
#define RESLOCSERVER 0x0B
#define HOSTNAME 0x0C
#define BOOTFILESIZE 0x0D
#define MERITDUMPFILE 0x0E
#define DOMAINNAME 0x0F
#define SWAPSERVER 0x10
#define ROOTPATH 0x11
#define EXTENSIONPATH 0x12
#define IPFORWARD 0x13
#define NONLOCAL 0x14
#define POLICYFILTER 0x15
#define MAXIMUMDATAG 0x16
#define DEFAULTTTL 0x17
#define PATHMTUATO 0x18
#define PATHMTUPTO 0x19
#define IMTU 0x1A
#define ALLSUBLOCAL 0x1B
#define BROADCAST 0x1C
#define PMASKDISCOVERY 0x1D
#define MASKSUPPLIER 0x1E
#define PROUTERDISCOVE 0x1F
#define RSOLICIADDRESS 0x20
#define STATICROUTE 0x21
#define TENCAPSULATION 0x22
#define ARPCACHE 0x23
#define ETHENCAPSUL 0x24
#define TCPDEFTTL 0x25
#define TCPKAI 0x26
#define TCPKAG 0x27
#define NISDOMAIN 0x28
#define NISSERVER 0x29
#define NTPSERVER 0x2A
#define VENDORSP 0x2B
#define NBTCPIPNS 0x2C
#define NBTCPIPDDS 0x2D
#define NBTCPIPNT 0x2E
#define NBTCPIPSC 0x2F
#define XWINFONTSERVER 0x30
#define XWINDISPLAY 0x31
#define IP 0x32
#define LEASE 0x33
#define OVERLOAD 0x34
#define MESSAGETYPE 0x35
#define SERVER 0x36
#define PREQUEST 0x37
#define MESSAGE 0x38
#define MAXIMUMDHCP 0x39
#define RENEWALTIME 0x3A
#define REBINDING 0x3B
#define VENDORCLASS 0x3C
#define CLIENT 0x3D
#define NISPLUSDOMAIN 0x40
#define NISPLUSSERVER 0x41
#define TFTPSERVER 0x42
#define BOOTFILE 0x43
#define MOBILEIP 0x44
#define SMTPSERVER 0x45
#define POP3SERVER 0x46
#define NNTPSERVER 0x47
#define HTTPSERVER 0x48
#define FINGERSERVER 0x49
#define IRCSERVER 0x4A
#define STREETTALKSE 0x4B
#define STREETTALKDA 0x4C
#define END 0xFF
/* Constants */
#define FREE 0x01
#define PROCESSING 0x02
#define BUSY 0x00
#define DYNAMIC 0x00
#define STATIC 0x01
#endif
@@ -0,0 +1,8 @@
#ifndef PARSER_H
#define PARSER_H
int parse_dhcp_options( DHCPMESSAGE *, DHCPOPTIONS *);
int process_dhcp_packet( DHCPMESSAGE *, DHCPOPTIONS *);
int write_packet( DHCPMESSAGE *, char *);
#endif
@@ -0,0 +1,7 @@
#ifndef UTILS_H
#define UTILS_H
#include <macutils.h>
#include <iputils.h>
#endif
@@ -0,0 +1,6 @@
#ifndef WUTILS_H
#define WUTILS_H
u8b try_lock( u8b * );
#endif
@@ -0,0 +1,6 @@
*.coff
*.d
*.o
*.sym
*.exe
*.map
+233
View File
@@ -0,0 +1,233 @@
#include <stdio.h>
#include <headers.h>
#include <datatypes.h>
#include <display.h>
#include <options.h>
#include <leases.h>
#include <utils.h>
int init_leases_list()
{
DHCPLIST *temp;
int i, j;
u8b chaddr[16];
FILE *config;
char line[80];
char textsubnet[16];
char textlease[5];
char textrouter[16];
char textmask[16];
char textlowrange[4], texthighrange[4];
char textserver[16];
u8b ip0, ip1, ip2, ip3;
u8b lowrange, highrange;
u8b textmac[17], textip[16];
u32b lease;
/* Be nice variables and behave yourselves */
for( j = 0; j < 16; j++ )
{
chaddr[j] = 0;
textsubnet[j] = 0;
textrouter[j] = 0;
textmask[j] = 0;
textip[j] = 0;
textmac[j] = 0;
}
textlease[0] = 0;
textlowrange[0] = 0;
texthighrange[0] = 0;
/* Now we can read our configuration file */
config = fopen( "dhcp.conf", "r" );
if( !config )
{
perror("Reading config files");
exit( 0 );
}
/* We _DO_ need a better parser */
list = (DHCPLIST *)malloc( sizeof( DHCPLIST ));
temp = list;
temp->back = NULL;
while( (!feof( config )) && ( line ))
{
fscanf( config, "%s", line);
if( !strcmp( line, "subnet" ))
/* Read subnet parameters */
fscanf( config, "%s", textsubnet );
if( !strcmp( line, "lease" ))
/* read lease parameters */
fscanf( config, "%s", textlease );
if( !strcmp( line, "router" ))
fscanf( config, "%s", textrouter );
if( !strcmp( line, "mask" ))
fscanf( config, "%s", textmask );
if( !strcmp( line, "range" ))
fscanf( config, "%s %s", textlowrange, texthighrange );
if( !strcmp( line, "server" ))
fscanf( config, "%s", textserver );
if( !strcmp( line, "host" ))
{
/* Host Specific Configuration */
fscanf( config, "%s %s", textmac, textip );
str2mac( textmac, temp->chaddr );
temp->type = STATIC;
temp->data.ip = inet_addr( textip );
temp->next = (DHCPLIST *)malloc( sizeof( DHCPLIST ));
temp->next->back = temp;
temp = temp->next;
temp->next =NULL;
}
}
fclose( config );
lowrange = (u8b)atoi( textlowrange );
highrange = (u8b)atoi( texthighrange );
lease = (u32b)atoi( textlease );
/* Creating Static IP */
for( temp = list; temp->next; temp = temp->next )
{
temp->available = FREE;
temp->xid = 0;
temp->data.router = inet_addr( textrouter );
temp->data.mask = inet_addr( textmask );
temp->data.lease = lease;
temp->data.siaddr = inet_addr( textserver );
}
/* Creating Dynamic IP */
for( i = lowrange; i < (highrange + 1); i++ )
{
temp->available = FREE;
temp->xid = 0;
temp->type = DYNAMIC;
maccpy( temp->chaddr, chaddr );
split_ip( textsubnet, &ip0, 0 );
split_ip( textsubnet, &ip1, 1 );
split_ip( textsubnet, &ip2, 2 );
temp->data.ip = i;
temp->data.ip = temp->data.ip << 8;
temp->data.ip += ip2;
temp->data.ip = temp->data.ip << 8;
temp->data.ip += ip1;
temp->data.ip = temp->data.ip << 8;
temp->data.ip += ip0;
temp->data.router = inet_addr( textrouter );
temp->data.mask = inet_addr( textmask );
temp->data.lease = lease;
temp->data.siaddr = inet_addr( textserver );
temp->next = (DHCPLIST *)malloc( sizeof( DHCPLIST ));
temp->next->back = temp;
temp = temp->next;
}
return 0;
}
int find_lease( DHCPLEASE *dhcpl, u32b xid, u8b chaddr[] )
{
int result = -2;
DHCPLIST *temp;
if( !dhcpl )
return -1;
for( temp = list; temp; temp=temp->next )
if( !maccmp( temp->chaddr, chaddr ) )
release_lease( dhcpl, xid, chaddr);
for( temp = list; temp; temp=temp->next )
if( ( !maccmp( temp->chaddr, chaddr )) && ( temp->type == STATIC ))
{
dhcpl->ip = temp->data.ip;
dhcpl->router = temp->data.router;
dhcpl->mask = temp->data.mask;
dhcpl->lease = temp->data.lease;
dhcpl->siaddr = temp->data.siaddr;
fprintf( stdout, "Assigning Static IP! \n");
temp->available = PROCESSING;
temp->xid = xid;
temp->ltime = MAX_PROCESS_TIME;
maccpy( temp->chaddr, chaddr);
result = 0;
return result;
}
else if( ( temp->available & FREE ) && ( temp->type == DYNAMIC ))
{
dhcpl->ip = temp->data.ip;
dhcpl->router = temp->data.router;
dhcpl->mask = temp->data.mask;
dhcpl->lease = temp->data.lease;
dhcpl->siaddr = temp->data.siaddr;
fprintf( stdout, "Assigning Dynamic IP! \n");
temp->available = PROCESSING;
temp->xid = xid;
temp->ltime = MAX_PROCESS_TIME;
maccpy( temp->chaddr, chaddr);
result = 0;
return result;
}
return result;
}
int confirm_lease( DHCPLEASE *dhcpl, u32b xid )
{
int result = -1;
DHCPLIST *temp;
for( temp = list; temp; temp=temp->next )
if( temp->xid == xid )
{
dhcpl->ip = temp->data.ip;
dhcpl->router = temp->data.router;
dhcpl->mask = temp->data.mask;
dhcpl->lease = temp->data.lease;
dhcpl->siaddr = temp->data.siaddr;
temp->available = BUSY;
temp->ltime = temp->data.lease;
result = 0;
return result;
}
return result;
}
int release_lease( DHCPLEASE *dhcpl, u32b xid, u8b chaddr[16] )
{
int result = -1, i;
DHCPLIST *temp;
u8b nchaddr[16];
for( i = 0; i < 16; i++ )
nchaddr[i] = 0;
if( !dhcpl )
return -1;
for( temp = list; temp; temp=temp->next )
if( !maccmp( temp->chaddr, chaddr ) )
{
/* We found the address */
result = 0;
fprintf( stdout, "Deleting %X::%X::%X::%X::%X::%X \n", temp->chaddr[0], temp->chaddr[1], temp->chaddr[2], temp->chaddr[3], temp->chaddr[4], temp->chaddr[5] );
temp->available = FREE;
temp->xid = 0;
/* maccpy( temp->chaddr, nchaddr ); */
} else {
/* No such address */
result = -1;
}
return result;
}
@@ -0,0 +1,6 @@
*.coff
*.d
*.o
*.sym
*.exe
*.map
+40
View File
@@ -0,0 +1,40 @@
#include <headers.h>
#include <datatypes.h>
#include <options.h>
#include <leases.h>
#include <lock.h>
int check_leased_list()
{
DHCPLIST *temp, *ntemp;
int count = 1, i;
/* fprintf( stdout, "checking list! \n" ); */
return 0;
}
static int test_and_set()
{
/* Test lock, if it's locked return FALSE */
return TRUE;
}
int lock_list()
{
int count = 1;
while( !test_and_set() )
{
sleep( 1 );
count++;
}
return count;
}
int unlock_list()
{
return TRUE;
}
+74
View File
@@ -0,0 +1,74 @@
#include <stdio.h>
#include <headers.h>
#include <datatypes.h>
#include <options.h>
#include <display.h>
#include <leases.h>
#include <parser.h>
#define MYPORT 67
DHCPLIST *list;
/*DHCPLIST *leased_list;*/
int main( int argc, char *argv[] )
{
#ifdef __MINGW32__
WSADATA wsaData;
int nCode;
#endif
int sockfd;
struct sockaddr_in my_addr;
struct sockaddr_in their_addr;
int addr_len, numbytes;
DHCPMESSAGE dhcpm;
DHCPOPTIONS dhcpo;
#ifdef __MINGW32__
if ((nCode = WSAStartup(MAKEWORD(1, 1), &wsaData)) != 0)
{
perror("WSAStartup");
return 0;
}
#endif
if ((sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) {
perror("socket");
exit(1);
}
init_leases_list();
my_addr.sin_family = AF_INET;
my_addr.sin_port = htons(MYPORT);
my_addr.sin_addr.s_addr = INADDR_ANY;
memset(&(my_addr.sin_zero), '\0', 8);
if (bind(sockfd, (struct sockaddr *)&my_addr,
sizeof(struct sockaddr)) == -1) {
perror("bind");
exit(1);
}
addr_len = sizeof(struct sockaddr);
while((numbytes=recvfrom(sockfd,&dhcpm, sizeof( DHCPMESSAGE ), 0,
(struct sockaddr *)&their_addr, &addr_len)) != -1) {
/* Parse DHCP */
display_dhcp_packet( &dhcpm, &dhcpo );
if( parse_dhcp_options( &dhcpm, &dhcpo ) < 0 )
continue;
if( display_dhcp_packet( &dhcpm, &dhcpo ) < 0 )
continue;
if( process_dhcp_packet( &dhcpm, &dhcpo ) < 0 )
continue;
}
close(sockfd);
#ifdef __MINGW32__
WSACleanup();
#endif
return 0;
}
@@ -0,0 +1,6 @@
*.coff
*.d
*.o
*.sym
*.exe
*.map
+404
View File
@@ -0,0 +1,404 @@
#include <stdio.h>
#include <headers.h>
#include <datatypes.h>
#include <display.h>
#include <parser.h>
#include <leases.h>
#include <options.h>
int parse_dhcp_options( DHCPMESSAGE *dhcpm, DHCPOPTIONS *dhcpo )
{
int pointer, opointer;
int olength;
pointer = 0;
fprintf( stdout, "parse_dhcp_options [begin]!\n");
/* Options Initialization */
/* No message type */
dhcpo->type = 0;
/* No ip address, 0.0.0.0 */
dhcpo->r_ip = 0;
/* No mask address, 0.0.0.0 */
dhcpo->r_mask = 0;
/* No router, 0.0.0.0 */
dhcpo->r_router = 0;
/* No lease 0 */
dhcpo->r_lease = 0;
/* No name '\n' */
dhcpo->hostname = NULL;
while( pointer< 312 )
{
if(( dhcpm->options[0] != 99 ) && (dhcpm->options[1]!=130) && (dhcpm->options[2]!=83) && (dhcpm->options[3]!= 99))
{
fprintf( stdout, "No magic cookie! Aborting! \n" );
return -1;
}
switch( dhcpm->options[pointer] ){
case PAD:
pointer++;
break;
case MESSAGETYPE:
/* Try to figure out the kind of message and start the configuring process */
pointer += 2;
dhcpo->type = dhcpm->options[pointer++];
break;
case PREQUEST:
/* Take note of the requested parameters */
opointer = pointer + 2;
olength = pointer + dhcpm->options[pointer + 1];
while( opointer < olength )
{
switch( dhcpm->options[opointer] ){
case IP:
/* Take note of the requested ip */
opointer += 2;
dhcpo->r_ip += dhcpm->options[opointer++];
dhcpo->r_ip = dhcpo->r_ip << 8;
dhcpo->r_ip += dhcpm->options[opointer++];
dhcpo->r_ip = dhcpo->r_ip << 8;
dhcpo->r_ip += dhcpm->options[opointer++];
dhcpo->r_ip = dhcpo->r_ip << 8;
dhcpo->r_ip += dhcpm->options[opointer++];
break;
case MASK:
/* Take note of the requested mask */
opointer += 2;
dhcpo->r_mask += dhcpm->options[opointer++];
dhcpo->r_mask = dhcpo->r_ip << 8;
dhcpo->r_mask += dhcpm->options[opointer++];
dhcpo->r_mask = dhcpo->r_ip << 8;
dhcpo->r_mask += dhcpm->options[opointer++];
dhcpo->r_mask = dhcpo->r_ip << 8;
dhcpo->r_mask += dhcpm->options[opointer++];
break;
case ROUTER:
/* Take note of the requested router */
opointer += 2;
dhcpo->r_router += dhcpm->options[opointer++];
dhcpo->r_router = dhcpo->r_ip << 8;
dhcpo->r_router += dhcpm->options[opointer++];
dhcpo->r_router = dhcpo->r_ip << 8;
dhcpo->r_router += dhcpm->options[opointer++];
dhcpo->r_router = dhcpo->r_ip << 8;
dhcpo->r_router += dhcpm->options[opointer++];
break;
case LEASE:
opointer += 2;
dhcpo->r_lease += dhcpm->options[opointer++];
dhcpo->r_lease = dhcpo->r_ip << 8;
dhcpo->r_lease += dhcpm->options[opointer++];
dhcpo->r_lease = dhcpo->r_ip << 8;
dhcpo->r_lease += dhcpm->options[opointer++];
dhcpo->r_lease = dhcpo->r_ip << 8;
dhcpo->r_lease += dhcpm->options[opointer++];
break;
case HOSTNAME:
opointer += 1;
dhcpo->hostname = (char *)malloc( dhcpm->options[opointer] + 1);
strncpy( dhcpo->hostname, &dhcpm->options[opointer+1], dhcpm->options[opointer] );
opointer += dhcpm->options[opointer] + 1;
default:
/* Ignore option */
opointer++;
break;
}
}
pointer = opointer;
break;
case TOFFSET:
case TIMESERVER:
case NS:
case DNS:
case LOGSERVER:
case COOKIESERVER:
case LPRSERVER:
case IMPSERVER:
case RESLOCSERVER:
case BOOTFILESIZE:
case MERITDUMPFILE:
case DOMAINNAME:
case SWAPSERVER:
case ROOTPATH:
case EXTENSIONPATH:
case IPFORWARD:
case NONLOCAL:
case POLICYFILTER:
case MAXIMUMDATAG:
case DEFAULTTTL:
case PATHMTUATO:
case PATHMTUPTO:
case IMTU:
case ALLSUBLOCAL:
case BROADCAST:
case PMASKDISCOVERY:
case MASKSUPPLIER:
case PROUTERDISCOVE:
case RSOLICIADDRESS:
case STATICROUTE:
case TENCAPSULATION:
case ARPCACHE:
case ETHENCAPSUL:
case TCPDEFTTL:
case TCPKAI:
case TCPKAG:
case NISDOMAIN:
case NISSERVER:
case NTPSERVER:
case VENDORSP:
case NBTCPIPNS:
case NBTCPIPDDS:
case NBTCPIPNT:
case NBTCPIPSC:
case XWINFONTSERVER:
case XWINDISPLAY:
case OVERLOAD:
case SERVER:
case MESSAGE:
case MAXIMUMDHCP:
case RENEWALTIME:
case REBINDING:
case VENDORCLASS:
case NISPLUSDOMAIN:
case NISPLUSSERVER:
case TFTPSERVER:
case BOOTFILE:
case MOBILEIP:
case SMTPSERVER:
case POP3SERVER:
case NNTPSERVER:
case HTTPSERVER:
case FINGERSERVER:
case IRCSERVER:
case STREETTALKSE:
case STREETTALKDA:
case CLIENT:
pointer++;
pointer += dhcpm->options[pointer];
case END:
/* return to the calling functions because this is over */
fprintf( stdout, "parse_dhcp_options: END option found! [end]!\n");
return 0;
default:
/* ignored */
pointer++;
break;
}
}
fprintf( stdout, "parse_dhcp_options [end]!\n");
return 0;
}
int process_dhcp_packet( DHCPMESSAGE *dhcpm, DHCPOPTIONS *dhcpo )
{
int pointer = 4;
DHCPLEASE dhcpl;
char *name;
fprintf( stdout, "process_dhcp_packet [begin]!\n");
if( (!dhcpm) || (!dhcpo) )
return -1;
name = (char *)malloc( 16 );
switch( dhcpo->type ){
case DHCPDISCOVER:
/* We need to send a DHCPOFFER */
if( find_lease( &dhcpl, dhcpm->xid, dhcpm->chaddr ) < 0 )
{
fprintf( stdout, "No free leases! \n" );
return -1;
}
dhcpm->op = BOOTREPLY;
dhcpm->yiaddr = dhcpl.ip;
dhcpm->siaddr = dhcpl.siaddr;
strcpy(dhcpm->sname, VERSION);
dhcpm->options[pointer++] = MESSAGETYPE;
dhcpm->options[pointer++] = 1;
dhcpm->options[pointer++] = DHCPOFFER;
dhcpm->options[pointer++] = ROUTER;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = (dhcpl.router & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.router >> 8) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.router >> 16) &0xFF);
dhcpm->options[pointer++] = (dhcpl.router >> 24);
dhcpm->options[pointer++] = MASK;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = (dhcpl.mask & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.mask >> 8) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.mask >> 16) & 0xFF);
dhcpm->options[pointer++] = (dhcpl.mask >> 24);
dhcpm->options[pointer++] = SERVER;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = (dhcpl.siaddr & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.siaddr >> 8) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.siaddr >> 16) & 0xFF);
dhcpm->options[pointer++] = (dhcpl.siaddr >> 24);
dhcpm->options[pointer++] = LEASE;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = (dhcpl.lease >> 24);
dhcpm->options[pointer++] = ((dhcpl.lease >> 16) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.lease >> 8) & 0xFF);
dhcpm->options[pointer++] = (dhcpl.lease & 0xFF);
dhcpm->options[pointer++] = REBINDING;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = (dhcpl.lease >> 24);
dhcpm->options[pointer++] = ((dhcpl.lease >> 16) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.lease >> 8) & 0xFF);
dhcpm->options[pointer++] = (dhcpl.lease & 0xFF) - 5;
dhcpm->options[pointer++] = RENEWALTIME;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = (dhcpl.lease >> 24);
dhcpm->options[pointer++] = ((dhcpl.lease >> 16) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.lease >> 8) & 0xFF);
dhcpm->options[pointer++] = (dhcpl.lease & 0xFF) - 5;
dhcpm->options[pointer++] = PAD;
dhcpm->options[pointer++] = PAD;
dhcpm->options[pointer++] = PAD;
dhcpm->options[pointer++] = END;
for( ; pointer < 312; pointer++ )
dhcpm->options[pointer] = PAD;
dhcpo->type = DHCPOFFER;
strcpy( name, "255.255.255.255" );
break;
case DHCPREQUEST:
/* We need to send an DHCPACK */
dhcpm->op = BOOTREPLY;
dhcpm->yiaddr = dhcpm->ciaddr;
strcpy(dhcpm->sname, VERSION);
if( confirm_lease( &dhcpl, dhcpm->xid ) < 0)
{
dhcpm->options[pointer++] = MESSAGETYPE;
dhcpm->options[pointer++] = 1;
dhcpm->options[pointer++] = DHCPNAK;
dhcpm->options[pointer++] = PAD;
dhcpm->options[pointer++] = END;
for( ; pointer < 312; pointer++ )
dhcpm->options[pointer] = PAD;
sprintf( name, "%u.%u.%u.%u", (dhcpm->ciaddr &0xFF), ((dhcpm->ciaddr>>8)&0xFF), ((dhcpm->ciaddr>>16)&0xFF), ((dhcpm->ciaddr>>24)&0xFF));
display_dhcp_packet( dhcpm, dhcpo );
write_packet( dhcpm, name );
return -1;
}
dhcpm->siaddr = dhcpl.siaddr;
dhcpm->options[pointer++] = MESSAGETYPE;
dhcpm->options[pointer++] = 1;
dhcpm->options[pointer++] = DHCPACK;
dhcpm->options[pointer++] = ROUTER;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = (dhcpl.router >> 24);
dhcpm->options[pointer++] = ((dhcpl.router >> 16) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.router >> 8) &0xFF);
dhcpm->options[pointer++] = (dhcpl.router & 0xFF);
dhcpm->options[pointer++] = MASK;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = (dhcpl.mask >> 24);
dhcpm->options[pointer++] = ((dhcpl.mask >> 16) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.mask >> 8) & 0xFF);
dhcpm->options[pointer++] = (dhcpl.mask & 0xFF);
dhcpm->options[pointer++] = SERVER;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = dhcpl.siaddr >> 24;
dhcpm->options[pointer++] = ((dhcpl.siaddr >> 16) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.siaddr >> 8) & 0xFF);
dhcpm->options[pointer++] = (dhcpl.siaddr & 0xFF);
dhcpm->options[pointer++] = LEASE;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = (dhcpl.lease >> 24);
dhcpm->options[pointer++] = ((dhcpl.lease >> 16) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.lease >> 8) & 0xFF);
dhcpm->options[pointer++] = (dhcpl.lease & 0xFF);
dhcpm->options[pointer++] = REBINDING;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = (dhcpl.lease >> 24);
dhcpm->options[pointer++] = ((dhcpl.lease >> 16) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.lease >> 8) & 0xFF);
dhcpm->options[pointer++] = (dhcpl.lease & 0xFF);
dhcpm->options[pointer++] = RENEWALTIME;
dhcpm->options[pointer++] = 4;
dhcpm->options[pointer++] = (dhcpl.lease >> 24);
dhcpm->options[pointer++] = ((dhcpl.lease >> 16) & 0xFF);
dhcpm->options[pointer++] = ((dhcpl.lease >> 8) & 0xFF);
dhcpm->options[pointer++] = (dhcpl.lease & 0xFF);
dhcpm->options[pointer++] = PAD;
dhcpm->options[pointer++] = PAD;
dhcpm->options[pointer++] = PAD;
dhcpm->options[pointer++] = END;
for( ; pointer < 312; pointer++ )
dhcpm->options[pointer] = PAD;
dhcpo->type = DHCPACK;
sprintf( name, "%u.%u.%u.%u", (dhcpl.ip & 0xFF), ((dhcpl.ip>>8) & 0xFF), ((dhcpl.ip>>16)&0xFF), (dhcpl.ip>>24));
break;
default:
break;
}
display_dhcp_packet( dhcpm, dhcpo );
write_packet( dhcpm, name );
fprintf( stdout, "process_dhcp_packet [end]!\n");
return 0;
}
int write_packet( DHCPMESSAGE *dhcpm, char *name )
{
int sockfd;
struct sockaddr_in their_addr; // connector's address information
struct hostent *he;
int numbytes;
int enable = 1;
fprintf( stdout, "write_packet [begin]\n" );
if( !dhcpm )
return -1;
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
perror("socket");
exit(1);
}
if( setsockopt( sockfd, SOL_SOCKET, SO_BROADCAST, &enable, sizeof( enable )) == -1 )
{
perror("setsockopt");
exit(1);
}
if( strcmp( "255.255.255.255", name ) )
{
if ((he=gethostbyname(name)) == NULL) { // get the host info
perror("gethostbyname");
fprintf( stdout, "Unknown host %s \n", name );
return -1;
}
their_addr.sin_family = AF_INET; // host byte order
their_addr.sin_port = htons(68); // short, network byte order
their_addr.sin_addr = *((struct in_addr *)he->h_addr);
} else {
their_addr.sin_family = AF_INET; // host byte order
their_addr.sin_port = htons(68); // short, network byte order
their_addr.sin_addr.s_addr = 0xFFFFFFFF;
}
fprintf( stdout, "IP a buscar: %s \n", name );
memset(&(their_addr.sin_zero), '\0', 8); // zero the rest of the struct
if ((numbytes=sendto(sockfd, dhcpm, sizeof(DHCPMESSAGE), 0,
(struct sockaddr *)&their_addr, sizeof(struct sockaddr))) == -1) {
perror("sendto");
exit(1);
}
printf("sent %d bytes to %s\n", numbytes,
inet_ntoa(their_addr.sin_addr));
close(sockfd);
fprintf( stdout, "write_packet [end]\n" );
return 0;
}
@@ -0,0 +1,6 @@
*.coff
*.d
*.o
*.sym
*.exe
*.map
@@ -0,0 +1,59 @@
#include <headers.h>
#include <datatypes.h>
#include <options.h>
#include <utils.h>
int split_ip( char *text, u8b *dest, int place )
{
int dotcount;
/* Don't touch this, unless you like pointer aritmethic */
*dest = 0;
if( !text )
return -1;
for( dotcount = 0; (dotcount < place) && ( text ); text++ )
if( *text == '.' )
dotcount++;
if( !text )
return -2;
while(( *text != '.' ) && ( *text != '\0' ))
{
*dest *= 10;
*dest += (u8b)(*text-48);
/* 48 is not a hack, is just the code of 0 */
text++;
}
return 0;
}
int get_ip( char *text, u32b *dest )
{
/* Don't touch this, unless you like pointer aritmethic */
*dest = 0;
if( !text )
return -1;
while( *text != '\0' )
{
if( *text == '.' )
{
*dest = *dest << 8;
text++;
continue;
}
*dest *= 10;
*dest += (u8b)(*text-48);
/* 48 is not a hack, is just the code of 0 */
text++;
}
return 0;
}
@@ -0,0 +1,46 @@
#include <headers.h>
#include <datatypes.h>
int maccpy( u8b dest[16], u8b source[16] )
{
int i;
for( i = 0; i < 16; i++ )
dest[i] = source[i];
return 0;
}
int maccmp( u8b dest[16], u8b source[16] )
{
int i;
char equal = 0;
for( i = 0; i < 16; i++ )
if( dest[i] != source[i] )
equal = -1;
return equal;
}
int str2mac( u8b from[17], u8b to[16] )
{
int i, j, length;
u8b buffer;
u8b dif;
length = (int)strlen( from );
for( i = 0, j = 0; i < length; )
{
buffer = 0;
while( (from[i] != ':' ) && (from[i]!= '\0' ))
{
buffer = buffer << 4;
(from[i]>57)?(dif=55):(dif=48);
buffer += (from[i] - dif);
i++;
}
to[j++] = buffer;
i++;
}
return 0;
}
@@ -0,0 +1,8 @@
#ifndef MACUTILS_H
#define MACUTILS_H
int maccmp( u8b *, u8b *);
int maccpy( u8b *, u8b *);
int str2mac( u8b *, u8b * );
#endif
+6
View File
@@ -0,0 +1,6 @@
#ifndef UTILS_H
#define UTILS_H
#include <macutils.h>
#endif
@@ -0,0 +1,9 @@
#include <options.h>
#include <wutils.h>
u8b try_lock( u8b *key )
{
if( *key == TRUE )
return FALSE;
return TRUE;
}
+1
View File
@@ -0,0 +1 @@
timestamp
+1
View File
@@ -0,0 +1 @@
timestamp