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Import from release candidate 2.13.

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Signed-off-by: Sami Kerola <kerolasa@iki.fi>
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Sami Kerola 2011-01-21 18:15:50 +01:00
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the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

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2011-01-21 Sami Kerola <kerolasa@iki.fi>
* Autoreconf done & PACKAGE_URL introduced.
* PACKAGE_URL introduced to configure.ac
* Dominic Germain sent xml, and detailed xml, outputs
patch.
* Dominic Germain pointed out include directive bug,
which broke shared network name.
* Anonymous contrib addition snmptest.pl which should
provide some sort of SNMP integration.
* Range statements have dynamic-bootp flag and it no
longer will break analysis.
2009-11-04 Sami Kerola <kerolasa@iki.fi>
* Roar Pettersen pointed out portability bug related to
posixfadvice arguments.
* Roar Pettersen pointed out fclose(stdout) portability
bug.
* Clean up function set to be ran at exit instead of end
of main().
2009-05-14 Dan Thorson
* Memory boundary check. Lack of this caused illegal memory
refrences when there was plenty of backup leases.
2009-02-18 Sami Kerola <kerolasa@iki.fi> && Dan Thorson
* posix_fadvice to make read-ahead quicker. (SK)
* HTML output to be more beatyful. (DT)
* --format H as a full html. (DT)
* Finglish to English translation. (DT)
* Autotools update, now done by the book. (SK)
2008-09-06 Sami Kerola <kerolasa@iki.fi>
* Release 2.9 - bug fixes.
* Bug report from Fredrik Vöcks
- Include files & shared network name bug fixed.
- If first range had no leases analysis crashed.
* Linux style indent.
* Autotool files update.
2008-06-21 Sami Kerola <kerolasa@iki.fi>
* dhcpd-pools.c: Default will skip merge sorting.
* getdata.c: Interpretation of range wrote without spaces fixed.
* getdata.c: Shared network name ending to brace fixed.
* Failover backup IP counting.
* CSV output bug fixed.
2008-05-18 Sami Kerola <kerolasa@iki.fi>
* Some automake files to help make install pass without complains.
* Function names to error messages where they where missing.
* Some sort options where missing from help screen.
* Manual page update.
* Multi key sorting.
* Range flip to support reverse order printing.
* Output function & errno caused FreeBSD-7.0 to exit with error
when there was no trouble.
* Code cleanup.
2008-05-10 Sami Kerola <kerolasa@iki.fi>
* Release 2.6
* Last version did not follow include directives.
* The dhcpd.conf parser was still quite stupid.
* Touched IP counting.
* All networks count was completely broken.
2008-05-05 Sami Kerola <kerolasa@iki.fi>
* Release 2.5
* Reverse order for output sorting.
* Options parsing fixed.
* Bug report by Roar Pettersen
- FreeBSD-7.0 output to file does not work.
- Not quite sure will it work even this release.
Help needed, I don't have FreeBSD-7.0.
* Completely new dhcpd.conf parser.
2008-04-30 Sami Kerola <kerolasa@iki.fi>
* Release 2.4
* Sorting for range output.
2008-04-20 Sami Kerola <kerolasa@iki.fi>
* Release 2.3
* From bug report by Frank Bulk.
- Ranges was matching strings that where not ranges.
- Unchomped new lines made ascii raport to look bad.
* Thank's Frank.
2006-03-27 Sami Kerola <kerolasa@iki.fi>
* Release 2.2
* No ranges defined -> crash bug fixed.
* Better error messages for command line options.
* File flushes more clean and error messages added.
* Possibility to limit what is printed out.
* Output limit update to man page.
* Include statement is now followed thou relative paths
are problem.
2006-03-13 Sami Kerola <sami.kerola@iki.fi>
* Release 2.1
* parse_config function inserts end of line where there
is ; character in configuration. Fixes htonl bug.
* Version number was 0.01 in version 2.0. Note to meself
remember increment version number when version changes.
* CSV output format.
* Manual page.
* Autotools are used more like they should be used.
* Error reporter wrapper eprintf.
2006-02-28 Sami Kerola <sami.kerola@iki.fi>
* Release 2.0.
* Porting from awk to c.
* HTML table output format.

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Installation Instructions
*************************
Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005,
2006, 2007, 2008 Free Software Foundation, Inc.
This file is free documentation; the Free Software Foundation gives
unlimited permission to copy, distribute and modify it.
Basic Installation
==================
Briefly, the shell commands `./configure; make; make install' should
configure, build, and install this package. The following
more-detailed instructions are generic; see the `README' file for
instructions specific to this package.
The `configure' shell script attempts to guess correct values for
various system-dependent variables used during compilation. It uses
those values to create a `Makefile' in each directory of the package.
It may also create one or more `.h' files containing system-dependent
definitions. Finally, it creates a shell script `config.status' that
you can run in the future to recreate the current configuration, and a
file `config.log' containing compiler output (useful mainly for
debugging `configure').
It can also use an optional file (typically called `config.cache'
and enabled with `--cache-file=config.cache' or simply `-C') that saves
the results of its tests to speed up reconfiguring. Caching is
disabled by default to prevent problems with accidental use of stale
cache files.
If you need to do unusual things to compile the package, please try
to figure out how `configure' could check whether to do them, and mail
diffs or instructions to the address given in the `README' so they can
be considered for the next release. If you are using the cache, and at
some point `config.cache' contains results you don't want to keep, you
may remove or edit it.
The file `configure.ac' (or `configure.in') is used to create
`configure' by a program called `autoconf'. You need `configure.ac' if
you want to change it or regenerate `configure' using a newer version
of `autoconf'.
The simplest way to compile this package is:
1. `cd' to the directory containing the package's source code and type
`./configure' to configure the package for your system.
Running `configure' might take a while. While running, it prints
some messages telling which features it is checking for.
2. Type `make' to compile the package.
3. Optionally, type `make check' to run any self-tests that come with
the package.
4. Type `make install' to install the programs and any data files and
documentation.
5. You can remove the program binaries and object files from the
source code directory by typing `make clean'. To also remove the
files that `configure' created (so you can compile the package for
a different kind of computer), type `make distclean'. There is
also a `make maintainer-clean' target, but that is intended mainly
for the package's developers. If you use it, you may have to get
all sorts of other programs in order to regenerate files that came
with the distribution.
6. Often, you can also type `make uninstall' to remove the installed
files again.
Compilers and Options
=====================
Some systems require unusual options for compilation or linking that
the `configure' script does not know about. Run `./configure --help'
for details on some of the pertinent environment variables.
You can give `configure' initial values for configuration parameters
by setting variables in the command line or in the environment. Here
is an example:
./configure CC=c99 CFLAGS=-g LIBS=-lposix
*Note Defining Variables::, for more details.
Compiling For Multiple Architectures
====================================
You can compile the package for more than one kind of computer at the
same time, by placing the object files for each architecture in their
own directory. To do this, you can use GNU `make'. `cd' to the
directory where you want the object files and executables to go and run
the `configure' script. `configure' automatically checks for the
source code in the directory that `configure' is in and in `..'.
With a non-GNU `make', it is safer to compile the package for one
architecture at a time in the source code directory. After you have
installed the package for one architecture, use `make distclean' before
reconfiguring for another architecture.
On MacOS X 10.5 and later systems, you can create libraries and
executables that work on multiple system types--known as "fat" or
"universal" binaries--by specifying multiple `-arch' options to the
compiler but only a single `-arch' option to the preprocessor. Like
this:
./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
CPP="gcc -E" CXXCPP="g++ -E"
This is not guaranteed to produce working output in all cases, you
may have to build one architecture at a time and combine the results
using the `lipo' tool if you have problems.
Installation Names
==================
By default, `make install' installs the package's commands under
`/usr/local/bin', include files under `/usr/local/include', etc. You
can specify an installation prefix other than `/usr/local' by giving
`configure' the option `--prefix=PREFIX'.
You can specify separate installation prefixes for
architecture-specific files and architecture-independent files. If you
pass the option `--exec-prefix=PREFIX' to `configure', the package uses
PREFIX as the prefix for installing programs and libraries.
Documentation and other data files still use the regular prefix.
In addition, if you use an unusual directory layout you can give
options like `--bindir=DIR' to specify different values for particular
kinds of files. Run `configure --help' for a list of the directories
you can set and what kinds of files go in them.
If the package supports it, you can cause programs to be installed
with an extra prefix or suffix on their names by giving `configure' the
option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
Optional Features
=================
Some packages pay attention to `--enable-FEATURE' options to
`configure', where FEATURE indicates an optional part of the package.
They may also pay attention to `--with-PACKAGE' options, where PACKAGE
is something like `gnu-as' or `x' (for the X Window System). The
`README' should mention any `--enable-' and `--with-' options that the
package recognizes.
For packages that use the X Window System, `configure' can usually
find the X include and library files automatically, but if it doesn't,
you can use the `configure' options `--x-includes=DIR' and
`--x-libraries=DIR' to specify their locations.
Particular systems
==================
On HP-UX, the default C compiler is not ANSI C compatible. If GNU
CC is not installed, it is recommended to use the following options in
order to use an ANSI C compiler:
./configure CC="cc -Ae"
and if that doesn't work, install pre-built binaries of GCC for HP-UX.
On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
parse its `<wchar.h>' header file. The option `-nodtk' can be used as
a workaround. If GNU CC is not installed, it is therefore recommended
to try
./configure CC="cc"
and if that doesn't work, try
./configure CC="cc -nodtk"
Specifying the System Type
==========================
There may be some features `configure' cannot figure out
automatically, but needs to determine by the type of machine the package
will run on. Usually, assuming the package is built to be run on the
_same_ architectures, `configure' can figure that out, but if it prints
a message saying it cannot guess the machine type, give it the
`--build=TYPE' option. TYPE can either be a short name for the system
type, such as `sun4', or a canonical name which has the form:
CPU-COMPANY-SYSTEM
where SYSTEM can have one of these forms:
OS KERNEL-OS
See the file `config.sub' for the possible values of each field. If
`config.sub' isn't included in this package, then this package doesn't
need to know the machine type.
If you are _building_ compiler tools for cross-compiling, you should
use the option `--target=TYPE' to select the type of system they will
produce code for.
If you want to _use_ a cross compiler, that generates code for a
platform different from the build platform, you should specify the
"host" platform (i.e., that on which the generated programs will
eventually be run) with `--host=TYPE'.
Sharing Defaults
================
If you want to set default values for `configure' scripts to share,
you can create a site shell script called `config.site' that gives
default values for variables like `CC', `cache_file', and `prefix'.
`configure' looks for `PREFIX/share/config.site' if it exists, then
`PREFIX/etc/config.site' if it exists. Or, you can set the
`CONFIG_SITE' environment variable to the location of the site script.
A warning: not all `configure' scripts look for a site script.
Defining Variables
==================
Variables not defined in a site shell script can be set in the
environment passed to `configure'. However, some packages may run
configure again during the build, and the customized values of these
variables may be lost. In order to avoid this problem, you should set
them in the `configure' command line, using `VAR=value'. For example:
./configure CC=/usr/local2/bin/gcc
causes the specified `gcc' to be used as the C compiler (unless it is
overridden in the site shell script).
Unfortunately, this technique does not work for `CONFIG_SHELL' due to
an Autoconf bug. Until the bug is fixed you can use this workaround:
CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash
`configure' Invocation
======================
`configure' recognizes the following options to control how it
operates.
`--help'
`-h'
Print a summary of all of the options to `configure', and exit.
`--help=short'
`--help=recursive'
Print a summary of the options unique to this package's
`configure', and exit. The `short' variant lists options used
only in the top level, while the `recursive' variant lists options
also present in any nested packages.
`--version'
`-V'
Print the version of Autoconf used to generate the `configure'
script, and exit.
`--cache-file=FILE'
Enable the cache: use and save the results of the tests in FILE,
traditionally `config.cache'. FILE defaults to `/dev/null' to
disable caching.
`--config-cache'
`-C'
Alias for `--cache-file=config.cache'.
`--quiet'
`--silent'
`-q'
Do not print messages saying which checks are being made. To
suppress all normal output, redirect it to `/dev/null' (any error
messages will still be shown).
`--srcdir=DIR'
Look for the package's source code in directory DIR. Usually
`configure' can determine that directory automatically.
`--prefix=DIR'
Use DIR as the installation prefix. *Note Installation Names::
for more details, including other options available for fine-tuning
the installation locations.
`--no-create'
`-n'
Run the configure checks, but stop before creating any output
files.
`configure' also accepts some other, not widely useful, options. Run
`configure --help' for more details.

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dhcpd-pools -- History of visible changes.
Copyright (C) 2006- Sami Kerola <kerolasa@iki.fi>
See the end for copying conditions.
Please send dhcpd-pools bug reports to kerolasa@iki.fi.
Version 2.13
* Autoreconf to get ./configure et al up to date.
* PACKAGE_URL introduced to configure.ac
* Dominic Germain sent xml, and detailed xml, outputs patch.
* Dominic Germain pointed out include directive bug, which broke
shared network name.
* Anonymous contrib addition snmptest.pl which should provide
some sort of SNMP integration.
* Range statements have dynamic-bootp flag and it no longer will
break analysis.
Version 2.12
* Dan Thorson fixed formating.
* Roar Pettersen pointed out posix_fadvice portability bug.
* Roar Pettersen pointed out fclose(stdout) portability bug.
* Clean up will ran at exit instead of end of program.
* Stian Øvrevåge pointed out shared network assignment bug.
Version 2.11
* Dan Thorson fixed memory boundary check for backup leases.
Version 2.10
* posix_fadvice to make read-ahead quicker.
* Dan Thorson contributions:
o HTML output to be more beatyful.
o Full HTML output.
o Finglish to English translation.
* Usage of autotools more properly.
Version 2.9
* Include files & shared network name bug fixed.
* If first range had no leases analysis crashed.
* Linux style indent.
Version 2.8
* dhcpd-pools.c: Default will skip merge sorting.
* getdata.c: Interpretation of range wrote without spaces fixed.
* getdata.c: Shared network name ending to brace fixed.
* Failover backup IP counting.
* CSV output bug fixed.
Version 2.7
* Some automake files to help make install pass without complains.
* Function names to error messages where they where missing.
* Some sort options where missing from help screen.
* Manual page update.
* Multi key sorting.
* Range flip to support reverse order printing.
* Output function & errno caused FreeBSD-7.0 to exit with error
when there was no trouble.
* Code cleanup.
Version 2.6
* I forgot to follow include when I rewrote dhcpd.conf parser.
* And the dhcpd.conf parser was still quite stupid.
* All networks count was broken. Results before this version where bogus.
* Feature: Touched IP counting.
Version 2.5
* Feature:
* Reverse order sorting
* Option parsing fixed.
* FreeBSD-7.0 output to file did not work.
* Completely new dhcpd.conf parser.
Version 2.4
* Feature:
* Range output sorting.
Version 2.3
* Bugfixes:
* Ranges was matching strings that where not ranges.
* Unchomped new lines made ascii raport to look bad.
Version 2.2
* Bugfixes:
*. No ranges in dhcpd.conf -> crash.
* Better error messages.
* Possibility to limit output.
* Dhcpd.conf include statement will be followed.
Version 2.1
* Bugfixs:
*. Range statements misinterpred.
*. CSV output format.
*. Manual page.
Version 2.0
* Version 1.x was awk script this is one done with C.
* Only new feature is HTML output.
-------------------------------------------------------
Copying information:
Copyright (C) 2006, Sami Kerola <kerolasa@iki.fi>
Permission is granted to anyone to make or distribute verbatim
copies of this document as received, in any medium, provided
that the copyright notice and this permission notice are
preserved, thus giving the recipient permission to
redistribute in turn.
Permission is granted to distribute modified versions of this
document, or of portions of it, under the above conditions,
provided also that they carry prominent notices stating who
last changed them.

28
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This is dhcpd-pools which is made for ISC dhcpd pool range
analysis.
With this command you can check usage of pool addresses when
address space is great. Command is designed so that it will not
get slow even there is thousands of IPs in lease file. This kind
of huge dhcpd installation can be near by DSL DSLAMs or some other
public access connection points.
This command will not print nice to know information like
DHCPStatus does. Output is limited only to list only usage for
ranges, shared network and total address space. Limiting what is
printed is the right thing to do when there is thousands of
addresses. If your address space is small some other dhcp
analyzer might be more suitable for you.
Source code is pretty printed by using indent command switches.
-kr -i8
If you write a patch please use same coding style. In general the
style is copy from Linux kernel.
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob_plain;f=Documentation/CodingStyle;hb=HEAD
A dhcpd-pools home page is located at SourceForge.
http://dhcpd-pools.sourceforge.net/

17
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dhcpd-pools THANKS file
Project is originated by Sami Kerola.
People who reported problems, give improvement suggestions or even
contributed code.
Otto J. Mäkelä
Mika Paananen
Frank Bulk
Roar Pettersen
Jeff Wieland
Rusty
Fredrik Vöcks
Dan Thorson
Stian Øvrevåge
Dominic Germain

22
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1 Well structured code, with extendible sane architecture.
2 Server, which has analysis in cache for N seconds and will
answer via socket.
3 Configuration file for server.
4 State file, where different ranges, shared networks etc have
unique identifiers (needed for graphs).
5 Support for snmp and munin protocols.
6 SNMP traps when limits get exceeded.
7 Some clever check_dhcpd_pools binary for Nagios & other
monitoring software.
8 Super server support, which will collect analysis from other
dhcpd-pool servers.
9 Nice http view interface on super server, much can be copied
from http://piwik.org/
10 IPv6 support.
11 And some other things perhaps...
When items 1-7 are done v3 can be released. To support rewrite
there should be a design document with nice blue print, which is
a web page. Also getting rid of cvs and taking git in use must
happen.

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5811
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52
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AC_OUTPUT

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contribdir = $(datadir)/dhcpd-pools/
dist_contrib_SCRIPTS = dhcpd-pools.cgi snmptest.pl

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dist_files=`for file in $$list; do echo $$file; done | \
sed -e "s|^$$srcdirstrip/||;t" \
-e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
case $$dist_files in \
*/*) $(MKDIR_P) `echo "$$dist_files" | \
sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
sort -u` ;; \
esac; \
for file in $$dist_files; do \
if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
if test -d $$d/$$file; then \
dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
if test -d "$(distdir)/$$file"; then \
find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
fi; \
if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
fi; \
cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
else \
test -f "$(distdir)/$$file" \
|| cp -p $$d/$$file "$(distdir)/$$file" \
|| exit 1; \
fi; \
done
check-am: all-am
check: check-am
all-am: Makefile $(SCRIPTS)
installdirs:
for dir in "$(DESTDIR)$(contribdir)"; do \
test -z "$$dir" || $(MKDIR_P) "$$dir"; \
done
install: install-am
install-exec: install-exec-am
install-data: install-data-am
uninstall: uninstall-am
install-am: all-am
@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
installcheck: installcheck-am
install-strip:
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
`test -z '$(STRIP)' || \
echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
mostlyclean-generic:
clean-generic:
distclean-generic:
-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
maintainer-clean-generic:
@echo "This command is intended for maintainers to use"
@echo "it deletes files that may require special tools to rebuild."
clean: clean-am
clean-am: clean-generic mostlyclean-am
distclean: distclean-am
-rm -f Makefile
distclean-am: clean-am distclean-generic
dvi: dvi-am
dvi-am:
html: html-am
html-am:
info: info-am
info-am:
install-data-am: install-dist_contribSCRIPTS
install-dvi: install-dvi-am
install-dvi-am:
install-exec-am:
install-html: install-html-am
install-html-am:
install-info: install-info-am
install-info-am:
install-man:
install-pdf: install-pdf-am
install-pdf-am:
install-ps: install-ps-am
install-ps-am:
installcheck-am:
maintainer-clean: maintainer-clean-am
-rm -f Makefile
maintainer-clean-am: distclean-am maintainer-clean-generic
mostlyclean: mostlyclean-am
mostlyclean-am: mostlyclean-generic
pdf: pdf-am
pdf-am:
ps: ps-am
ps-am:
uninstall-am: uninstall-dist_contribSCRIPTS
.MAKE: install-am install-strip
.PHONY: all all-am check check-am clean clean-generic distclean \
distclean-generic distdir dvi dvi-am html html-am info info-am \
install install-am install-data install-data-am \
install-dist_contribSCRIPTS install-dvi install-dvi-am \
install-exec install-exec-am install-html install-html-am \
install-info install-info-am install-man install-pdf \
install-pdf-am install-ps install-ps-am install-strip \
installcheck installcheck-am installdirs maintainer-clean \
maintainer-clean-generic mostlyclean mostlyclean-generic pdf \
pdf-am ps ps-am uninstall uninstall-am \
uninstall-dist_contribSCRIPTS
# 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:

34
contrib/dhcpd-pools.cgi Executable file
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@ -0,0 +1,34 @@
#!/bin/sh
#
# Simple CGI for dhcpd-pools.
echo Content-type: text/html
echo
# To make lease table more fancy use CSS definition something
# like this in your style.css file.
#
# TABLE.dhcpd-pools {
# border-style : groove;
# margin-left : 2px;
# foo : bar;
# }
#
# http://www.w3.org/TR/REC-CSS2/tables.html
#
# And uncomment this line.
#
#echo <link type="text/css" rel="stylesheet" href="/style.css" />
echo "<html>"
echo "<body>"
echo "<p>This was situation at "
date
echo "</p>"
/usr/local/bin/dhcpd-pools --format html
echo "</body>"
echo "</html>"
# EOF

472
contrib/snmptest.pl Normal file
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@ -0,0 +1,472 @@
#!/usr/bin/perl
# <Note from="Sami Kerola">
# This script is anonymous user contribution (due legal
# department did not let the person the get credit because
# they are afraid open source contributions). You know who you
# are, and I am graceful to get this to be part of the
# package.
# </Note>
# 1) modify snmpd.conf and add the following line. Note that the
# last field must match the path/name of the script:
#
# pass_persist .1.3.6.1.4.1.2021.250.255 /root/snmptest.pl
#
# This assumes you've already configured snmpd, i.e. community
# strings, etc.
#
# 2) Install the following script. Note that if you changed the
# OID string above, then you'll need to change the value for
# $root in this file, too. Be sure that $datafile is set to
# the location of the .CSV output from dhcpd-pools. NOTE: if
# you set $dbg to 1 then output will be generated in /tmp.
use strict;
# Version info:
my $SNMPver = "snmp1.0";
my $DHCPver = "dhcp1.0";
my $VERSION = "$SNMPver/$DHCPver";
#
# set $dbg to a non-zero value to get debug output in /tmp
#
my $dbg=0;
#
# Here's an example entry for snmpd.conf:
# pass_persist .1.3.6.1.4.1.2021.250.255 /path/to/this/script.pl
# so in this case $root should be '.1.3.6.1.4.1.2021.250.255'
#
# $root.1.x : shared network name for index x
# $root.2.x : IP range name for index x
# $root.3.x : Range Contained-In for index x
# $root.4.x : Shared Net Stats for index x
# $root.5.x : IP range stats for index x
#
# $root.4.1.x : 'max' value for shared network at index=x
# $root.4.2.x : 'cur' value for shared network at index=x
# $root.4.3.x : 'tou' value for shared network at index=x
#
# $root.5.1.x : 'max' value for IP range at index=x
# $root.5.2.x : 'cur' value for IP range at index=x
# $root.5.3.x : 'tou' value for IP range at index=x
#
# $root must match pass_persis entry in snmpd.conf
#
my $root='.1.3.6.1.4.1.2021.250.255';
#
# $datafile is the location of the .CSV file created by dhcpd-pools.
# NOTE: It is assumed that this file is routinely updated, i.e. at least
# every 5 minutes, by some other process, i.e. cron.
#
my $datafile='/var/lib/dhcp/dhcpstats.csv';
#
# $cachetime determines how long we can cache parse data from $datafile. If
# more than $cachetime has elapsed we'll re-read $datafile, otherwise we'll
# just send back the last-parsed data
#
# Generally 60 seconds seems pretty reasonable, but any positive value is
# permitted.
#
my $cachetime = 60;
#
# global variables for DHCP
#
my %SharedNetwork;
my %RangeName;
my %RangeContained;
my @SNNindex;
my @IPRNindex;
#
# global variables for SNMP
#
my @validoidlist;
########## BEGIN UNIQUE-CODE FOR YOUR SNMP-QUERY NEEDS
#
# ParseDataFile does just that, and stores info in %SharedNetwork for later
# processing.
#
# The routine ParseDataFile is calls at invocation to initialize all
# datasets and also periodically (based on $cachetime).
#
my @where = qw( unknown Ranges SharedNets SumData );
sub ParseDataFile () {
print DBG "ParseDataFile\n" if $dbg;
my $where = 0; # location in file unknown
# used to generate ifIndex-like values for each Shared network
my $shareindex = 1;
# used to generate ifIndex-like values for each Shared network
my $rangeindex = 1;
undef %SharedNetwork;
undef %RangeName;
undef %RangeContained;
undef @SNNindex;
undef @IPRNindex;
@validoidlist = ();
open(IN, $datafile) || return undef;
while (<IN>) {
chomp;
print DBG "...Read: $_\n" if $dbg;
next if /^\s*$/; # skip blank lines
next if /^"shared net name"/; # skip titles
next if /^"name","max","cur"/; # skip titles
if (/^"Ranges/) { $where = 1; next; }
if (/^"Shared/) { $where = 2; next; }
if (/^"Sum of/) { $where = 3; next; }
print DBG "...Found data for @where[$where]: $_\n" if $dbg;
#
# "Ranges:"
# 0 1 2 3 4 5 6 7 8
# "shared net name","1stIP","lastIP","max","cur","%","touch","t+c","t+c %"
#
# "Shared networks:" and "Sum of all ranges:"
# 0 1 2 3 4 5 6
# "name","max","cur","%","touch","t+c","t+c %"
#
my @data = split /,/;
my ($nam, $max, $cur, $tou, $fir);
($nam = @data[0]) =~ s/"//g; # shared net name
($fir = @data[1]) =~ s/"//g if ($where == 1); # Range ID (1st IP)
($max = @data[3]) =~ s/"//g if ($where == 1); # max # of IPs
($max = @data[1]) =~ s/"//g if ($where > 1); # max # of IPs
($cur = @data[4]) =~ s/"//g if ($where == 1); # cur # of IPs
($cur = @data[2]) =~ s/"//g if ($where > 1); # cur # of IPs
($tou = @data[6]) =~ s/"//g if ($where == 1); # touched IP's
($tou = @data[4]) =~ s/"//g if ($where > 1); # touched IP's
print DBG "...idx sh/rg=$shareindex/$rangeindex : nam=$nam : max=$max : cur=$cur : tou=$tou\n" if $dbg;
#
# Summary data for each IP range
#
if ($where == 1) { # Store IP range data
if (defined($RangeName{$fir})) {
print DBG "...WARNING: duplicate name '$fir'\n" if $dbg
}
$IPRNindex[$rangeindex] = $fir;
$RangeName{$fir} = pack("LLLL", $rangeindex, $max, $cur, $tou);
$RangeContained{$fir} = $nam;
push @validoidlist, "$root.2.$rangeindex"; # IP range name
push @validoidlist, "$root.3.$rangeindex"; # Contained In
push @validoidlist, "$root.5.1.$rangeindex"; # range stats
push @validoidlist, "$root.5.2.$rangeindex"; # range stats
push @validoidlist, "$root.5.3.$rangeindex"; # range stats
$rangeindex++;
}
#
# Summary data for each Shared network
#
if ($where == 2) { # Store Shared network summary data
if (defined($SharedNetwork{$nam})) {
print DBG "...WARNING: duplicate name '$nam'\n" if $dbg
}
$SNNindex[$shareindex] = $nam;
$SharedNetwork{$nam} = pack("LLLL", $shareindex, $max, $cur, $tou);
push @validoidlist, "$root.1.$shareindex"; # shared name
push @validoidlist, "$root.4.1.$shareindex"; # shared stats
push @validoidlist, "$root.4.2.$shareindex"; # shared stats
push @validoidlist, "$root.4.3.$shareindex"; # shared stats
$shareindex++;
}
#
# Summary data for everything
#
if ($where == 3) { # Store "All" network summary data
print DBG "...We don't store 'All' info yet!\n" if $dbg;
}
}
close IN;
if ($dbg) {
foreach (sort @validoidlist) { print DBG "ValidOID: $_\n"; }
}
if ($dbg) {
foreach (@IPRNindex) {
print DBG "IP range $_\n";
}
foreach (@SNNindex) {
print DBG "Shared Net $_\n";
}
}
}
#############################################################################
#############################################################################
#############################################################################
# Forward Declarations
#
sub SendReturnNone ();
sub SendReturn($$$);
#
# GetData gets data, but will leverage caching of data if last parse was
# over 60 seconds ago
#
my $lasttime = 0;
sub GetData ($) {
my $oid = shift;
(my $suboid = $oid) =~ s/$root//;
#
# If enough time has elapsed, go fetch fresh data, otherwise use cached
# data
#
print DBG "GetData: Time is: ", time, " : oid $oid->$suboid\n" if $dbg;
if ((time - $lasttime) > $cachetime) {
ParseDataFile();
$lasttime = time;
}
#
# Quick sanity check of OID string:
#
if ( (!($oid =~ /^$root/)) ||
($suboid eq '') ) {
SendReturnNone();
return;
}
#
# split the remaining OID pieces to analyse
#
my @oidlist = split(/\./, $suboid);
###################### EDIT THIS FOR YOUR APPLICATION ######################
#
# If we only get a single value, then barf (we need 2)
#
my $good = 0;
$good = 1 if (($oidlist[1] eq '1') && ($#oidlist == 2)); # shared name
$good = 1 if (($oidlist[1] eq '2') && ($#oidlist == 2)); # ip range name
$good = 1 if (($oidlist[1] eq '3') && ($#oidlist == 2)); # contained in
$good = 1 if (($oidlist[1] eq '4') && ($#oidlist == 3)); # shared-range stats
$good = 1 if (($oidlist[1] eq '5') && ($#oidlist == 3)); # ip-range stats
if (!$good) {
print DBG "oidlistcount = $#oidlist and oidlist1 is ", $oidlist[1], "\n" if $dbg;
SendReturnNone();
return;
}
# $oidlist[1] = 1-5
# $oidlist[2] = index for shared-name or range-name
# or datatype to return
# $oidlist[3] = index for datatype
#
if ($oidlist[1] eq '1') { # looking for name associated with shared net
SendReturn($oid, 'string', $SNNindex[$oidlist[2]]);
return;
}
if ($oidlist[1] eq '2') { # looking for name associated with ip range
print DBG "Responding with IPRNindex[$oidlist[2]]\n" if $dbg;
SendReturn($oid, 'string', $IPRNindex[$oidlist[2]]);
return;
}
if ($oidlist[1] eq '3') { # looking for contained-in info
if (defined($IPRNindex[$oidlist[2]])) { # valid subnet!
my $fir = $IPRNindex[$oidlist[2]];
my $con = $RangeContained{$fir};
my @vals= unpack("LLLL", $SharedNetwork{$con});
print DBG "fir=$fir : con=$con : vals=@vals : vals0=$vals[0]\n" if $dbg;
SendReturn($oid, 'integer', @vals[0]);
return;
} else {
SendReturnNone();
return;
}
}
if ($oidlist[1] eq '4') {
if (defined($SNNindex[$oidlist[3]])) { # valid subnet!
my $nam = $SNNindex[$oidlist[3]];
my @vals= unpack("LLLL", $SharedNetwork{$nam});
print DBG "nam=$nam, vals=@vals, oidlist[2]=$oidlist[2]\n" if $dbg;
SendReturn($oid, 'integer', @vals[$oidlist[2]]);
return;
} else {
print DBG "invalid subnet SNN $oidlist[3]\n" if $dbg;
SendReturnNone();
return;
}
}
if ($oidlist[1] eq '5') {
if (defined($IPRNindex[$oidlist[3]])) { # valid subnet!
my $fir = $IPRNindex[$oidlist[3]];
my @vals= unpack("LLLL", $RangeName{$fir});
print DBG "fir=$fir, vals=@vals, oidlist[2]=", $oidlist[2], "\n" if $dbg;
SendReturn($oid, 'integer', @vals[$oidlist[2]]);
return;
} else {
print DBG "invalid subnet IPRN $oidlist[3]\n" if $dbg;
SendReturnNone();
return;
}
}
################## END EDIT THIS FOR YOUR APPLICATION ######################
}
#############################################################################
#############################################################################
#############################################################################
#
# From here down the routines should NEVER change
#
#
# SNMP-specific routines
#
{ ######## limit scope for some variable
#
# Compare looks at the OID validoid and userquery
# and returns +1 if userquery > validoid
# and returns -1 if userquery < validoid
# and returns 0 if userquery = validoid
#
my @validoid;
my @userquery;
sub Compare () {
my $i=1;
while (($i <= $#validoid) && ($i <= $#userquery)) {
# print DBG "Comparing $validoid[$i] vs $userquery[$i]\n" if $dbg;
if ($userquery[$i] > $validoid[$i]) { return +1; }
if ($userquery[$i] < $validoid[$i]) { return -1; }
$i++;
}
$i--;
my $returnval = 0;
$returnval = +1 if (($i < $#userquery) && ($i == $#validoid));
$returnval = -1 if (($i == $#userquery) && ($i < $#validoid));
return $returnval;
}
#
# FindNext looks through the list of validoid's trying to find the Next
# oid after $oid (aka @userquery)
#
sub FindNext ($) {
my $userqueryoid = shift;
print DBG "FindNext($userqueryoid)\n" if $dbg;
my $next = $validoidlist[0];
@userquery = split (/\./, $userqueryoid);
my $found = 0;
foreach (sort @validoidlist) {
$next = $_;
print DBG "Comparing $userqueryoid vs. $_\n" if $dbg;
@validoid = split (/\./, $_);
my $x = Compare();
if ($x < 0) {
$found = 1;
last;
}
}
if (!$found) { return undef; }
print DBG "Returning $next as next valid OID\n" if $dbg;
return $next;
}
} ######### end scope limit
sub SendReturnNone () {
print "NONE\n";
print DBG "Sent NONE\n" if $dbg;
}
sub SendReturn($$$) {
printf "%s\n%s\n%s\n", shift, shift, shift;
}
my $line=0;
sub Get ($$) {
my $cmd = shift;
my $oid = shift;
GetData($oid);
$line = 0;
}
sub GetNext ($$) {
my $cmd = shift;
my $oid = shift;
$oid = FindNext($oid);
if (defined($oid)) {
GetData($oid);
} else {
SendReturnNone();
}
$line = 0;
}
sub Set ($$$) {
my $cmd = shift;
my $oid = shift;
my $tv = shift;
print "not-writable\n"; # we don't support snmpset
print DBG "Sent not-writable\n" if $dbg;
$line = 0;
}
sub Pong {
print "PONG\n";
print DBG "PONG Sent\n" if $dbg;
$line = 0;
}
################################## START ##################################
#
# Main
#
select((select(STDOUT), $| = 1)[0]);
if ($dbg) {
open(DBG, ">/tmp/snmp.dbg") || die ("Can't open debug!");
select((select(DBG), $| = 1)[0]);
print DBG "Version $VERSION\n";
}
# Initialize Data
ParseDataFile();
my $cmd;
my $oid;
my $tv;
while (<STDIN>) {
$line++;
chomp;
s/ //g;
tr/A-Z/a-z/;
printf DBG "%3d '%s'\n", $line, $_ if $dbg;
last if ($_ eq '');
$cmd = $_ if ($line == 1);
$oid = $_ if ($line == 2);
$tv = $_ if ($line == 3);
Pong() if ($cmd eq 'ping');
Get($cmd, $oid) if (($cmd eq 'get') && ($line == 2));
GetNext($cmd, $oid) if (($cmd eq 'getnext') && ($line == 2));
Set($cmd, $oid, $tv) if (($cmd eq 'set') && ($line == 3));
}
print DBG "Clean Exit\n" if $dbg;
close DBG if $dbg;
exit 0;

530
depcomp Executable file
View file

@ -0,0 +1,530 @@
#! /bin/sh
# depcomp - compile a program generating dependencies as side-effects
scriptversion=2005-07-09.11
# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
# 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., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
case $1 in
'')
echo "$0: No command. Try \`$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: depcomp [--help] [--version] PROGRAM [ARGS]
Run PROGRAMS ARGS to compile a file, generating dependencies
as side-effects.
Environment variables:
depmode Dependency tracking mode.
source Source file read by `PROGRAMS ARGS'.
object Object file output by `PROGRAMS ARGS'.
DEPDIR directory where to store dependencies.
depfile Dependency file to output.
tmpdepfile Temporary file to use when outputing dependencies.
libtool Whether libtool is used (yes/no).
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "depcomp $scriptversion"
exit $?
;;
esac
if test -z "$depmode" || test -z "$source" || test -z "$object"; then
echo "depcomp: Variables source, object and depmode must be set" 1>&2
exit 1
fi
# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
depfile=${depfile-`echo "$object" |
sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
rm -f "$tmpdepfile"
# Some modes work just like other modes, but use different flags. We
# parameterize here, but still list the modes in the big case below,
# to make depend.m4 easier to write. Note that we *cannot* use a case
# here, because this file can only contain one case statement.
if test "$depmode" = hp; then
# HP compiler uses -M and no extra arg.
gccflag=-M
depmode=gcc
fi
if test "$depmode" = dashXmstdout; then
# This is just like dashmstdout with a different argument.
dashmflag=-xM
depmode=dashmstdout
fi
case "$depmode" in
gcc3)
## gcc 3 implements dependency tracking that does exactly what
## we want. Yay! Note: for some reason libtool 1.4 doesn't like
## it if -MD -MP comes after the -MF stuff. Hmm.
"$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
mv "$tmpdepfile" "$depfile"
;;
gcc)
## There are various ways to get dependency output from gcc. Here's
## why we pick this rather obscure method:
## - Don't want to use -MD because we'd like the dependencies to end
## up in a subdir. Having to rename by hand is ugly.
## (We might end up doing this anyway to support other compilers.)
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
## -MM, not -M (despite what the docs say).
## - Using -M directly means running the compiler twice (even worse
## than renaming).
if test -z "$gccflag"; then
gccflag=-MD,
fi
"$@" -Wp,"$gccflag$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
## The second -e expression handles DOS-style file names with drive letters.
sed -e 's/^[^:]*: / /' \
-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
## This next piece of magic avoids the `deleted header file' problem.
## The problem is that when a header file which appears in a .P file
## is deleted, the dependency causes make to die (because there is
## typically no way to rebuild the header). We avoid this by adding
## dummy dependencies for each header file. Too bad gcc doesn't do
## this for us directly.
tr ' ' '
' < "$tmpdepfile" |
## Some versions of gcc put a space before the `:'. On the theory
## that the space means something, we add a space to the output as
## well.
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
sgi)
if test "$libtool" = yes; then
"$@" "-Wp,-MDupdate,$tmpdepfile"
else
"$@" -MDupdate "$tmpdepfile"
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
echo "$object : \\" > "$depfile"
# Clip off the initial element (the dependent). Don't try to be
# clever and replace this with sed code, as IRIX sed won't handle
# lines with more than a fixed number of characters (4096 in
# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
# the IRIX cc adds comments like `#:fec' to the end of the
# dependency line.
tr ' ' '
' < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
tr '
' ' ' >> $depfile
echo >> $depfile
# The second pass generates a dummy entry for each header file.
tr ' ' '
' < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
>> $depfile
else
# The sourcefile does not contain any dependencies, so just
# store a dummy comment line, to avoid errors with the Makefile
# "include basename.Plo" scheme.
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
aix)
# The C for AIX Compiler uses -M and outputs the dependencies
# in a .u file. In older versions, this file always lives in the
# current directory. Also, the AIX compiler puts `$object:' at the
# start of each line; $object doesn't have directory information.
# Version 6 uses the directory in both cases.
stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
tmpdepfile="$stripped.u"
if test "$libtool" = yes; then
"$@" -Wc,-M
else
"$@" -M
fi
stat=$?
if test -f "$tmpdepfile"; then :
else
stripped=`echo "$stripped" | sed 's,^.*/,,'`
tmpdepfile="$stripped.u"
fi
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
if test -f "$tmpdepfile"; then
outname="$stripped.o"
# Each line is of the form `foo.o: dependent.h'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
else
# The sourcefile does not contain any dependencies, so just
# store a dummy comment line, to avoid errors with the Makefile
# "include basename.Plo" scheme.
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
icc)
# Intel's C compiler understands `-MD -MF file'. However on
# icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
# ICC 7.0 will fill foo.d with something like
# foo.o: sub/foo.c
# foo.o: sub/foo.h
# which is wrong. We want:
# sub/foo.o: sub/foo.c
# sub/foo.o: sub/foo.h
# sub/foo.c:
# sub/foo.h:
# ICC 7.1 will output
# foo.o: sub/foo.c sub/foo.h
# and will wrap long lines using \ :
# foo.o: sub/foo.c ... \
# sub/foo.h ... \
# ...
"$@" -MD -MF "$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
# Each line is of the form `foo.o: dependent.h',
# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process this invocation
# correctly. Breaking it into two sed invocations is a workaround.
sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
tru64)
# The Tru64 compiler uses -MD to generate dependencies as a side
# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
# dependencies in `foo.d' instead, so we check for that too.
# Subdirectories are respected.
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
test "x$dir" = "x$object" && dir=
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
if test "$libtool" = yes; then
# With Tru64 cc, shared objects can also be used to make a
# static library. This mecanism is used in libtool 1.4 series to
# handle both shared and static libraries in a single compilation.
# With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
#
# With libtool 1.5 this exception was removed, and libtool now
# generates 2 separate objects for the 2 libraries. These two
# compilations output dependencies in in $dir.libs/$base.o.d and
# in $dir$base.o.d. We have to check for both files, because
# one of the two compilations can be disabled. We should prefer
# $dir$base.o.d over $dir.libs/$base.o.d because the latter is
# automatically cleaned when .libs/ is deleted, while ignoring
# the former would cause a distcleancheck panic.
tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
tmpdepfile2=$dir$base.o.d # libtool 1.5
tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504
"$@" -Wc,-MD
else
tmpdepfile1=$dir$base.o.d
tmpdepfile2=$dir$base.d
tmpdepfile3=$dir$base.d
tmpdepfile4=$dir$base.d
"$@" -MD
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
do
test -f "$tmpdepfile" && break
done
if test -f "$tmpdepfile"; then
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
# That's a tab and a space in the [].
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
else
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
#nosideeffect)
# This comment above is used by automake to tell side-effect
# dependency tracking mechanisms from slower ones.
dashmstdout)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout, regardless of -o.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test $1 != '--mode=compile'; do
shift
done
shift
fi
# Remove `-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
test -z "$dashmflag" && dashmflag=-M
# Require at least two characters before searching for `:'
# in the target name. This is to cope with DOS-style filenames:
# a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
"$@" $dashmflag |
sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
tr ' ' '
' < "$tmpdepfile" | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
dashXmstdout)
# This case only exists to satisfy depend.m4. It is never actually
# run, as this mode is specially recognized in the preamble.
exit 1
;;
makedepend)
"$@" || exit $?
# Remove any Libtool call
if test "$libtool" = yes; then
while test $1 != '--mode=compile'; do
shift
done
shift
fi
# X makedepend
shift
cleared=no
for arg in "$@"; do
case $cleared in
no)
set ""; shift
cleared=yes ;;
esac
case "$arg" in
-D*|-I*)
set fnord "$@" "$arg"; shift ;;
# Strip any option that makedepend may not understand. Remove
# the object too, otherwise makedepend will parse it as a source file.
-*|$object)
;;
*)
set fnord "$@" "$arg"; shift ;;
esac
done
obj_suffix="`echo $object | sed 's/^.*\././'`"
touch "$tmpdepfile"
${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
sed '1,2d' "$tmpdepfile" | tr ' ' '
' | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile" "$tmpdepfile".bak
;;
cpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test $1 != '--mode=compile'; do
shift
done
shift
fi
# Remove `-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
"$@" -E |
sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
sed '$ s: \\$::' > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
cat < "$tmpdepfile" >> "$depfile"
sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvisualcpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout, regardless of -o,
# because we must use -o when running libtool.
"$@" || exit $?
IFS=" "
for arg
do
case "$arg" in
"-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
set fnord "$@"
shift
shift
;;
*)
set fnord "$@" "$arg"
shift
shift
;;
esac
done
"$@" -E |
sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
. "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
echo " " >> "$depfile"
. "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
rm -f "$tmpdepfile"
;;
none)
exec "$@"
;;
*)
echo "Unknown depmode $depmode" 1>&2
exit 1
;;
esac
exit 0
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-end: "$"
# End:

519
install-sh Executable file
View file

@ -0,0 +1,519 @@
#!/bin/sh
# install - install a program, script, or datafile
scriptversion=2006-12-25.00
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# following copyright and license.
#
# Copyright (C) 1994 X Consortium
#
# 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
# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of the X Consortium shall not
# be used in advertising or otherwise to promote the sale, use or other deal-
# ings in this Software without prior written authorization from the X Consor-
# tium.
#
#
# FSF changes to this file are in the public domain.
#
# 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.
nl='
'
IFS=" "" $nl"
# set DOITPROG to echo to test this script
# Don't use :- since 4.3BSD and earlier shells don't like it.
doit=${DOITPROG-}
if test -z "$doit"; then
doit_exec=exec
else
doit_exec=$doit
fi
# Put in absolute file names if you don't have them in your path;
# or use environment vars.
chgrpprog=${CHGRPPROG-chgrp}
chmodprog=${CHMODPROG-chmod}
chownprog=${CHOWNPROG-chown}
cmpprog=${CMPPROG-cmp}
cpprog=${CPPROG-cp}
mkdirprog=${MKDIRPROG-mkdir}
mvprog=${MVPROG-mv}
rmprog=${RMPROG-rm}
stripprog=${STRIPPROG-strip}
posix_glob='?'
initialize_posix_glob='
test "$posix_glob" != "?" || {
if (set -f) 2>/dev/null; then
posix_glob=
else
posix_glob=:
fi
}
'
posix_mkdir=
# Desired mode of installed file.
mode=0755
chgrpcmd=
chmodcmd=$chmodprog
chowncmd=
mvcmd=$mvprog
rmcmd="$rmprog -f"
stripcmd=
src=
dst=
dir_arg=
dst_arg=
copy_on_change=false
no_target_directory=
usage="\
Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
or: $0 [OPTION]... SRCFILES... DIRECTORY
or: $0 [OPTION]... -t DIRECTORY SRCFILES...
or: $0 [OPTION]... -d DIRECTORIES...
In the 1st form, copy SRCFILE to DSTFILE.
In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
In the 4th, create DIRECTORIES.
Options:
--help display this help and exit.
--version display version info and exit.
-c (ignored)
-C install only if different (preserve the last data modification time)
-d create directories instead of installing files.
-g GROUP $chgrpprog installed files to GROUP.
-m MODE $chmodprog installed files to MODE.
-o USER $chownprog installed files to USER.
-s $stripprog installed files.
-t DIRECTORY install into DIRECTORY.
-T report an error if DSTFILE is a directory.
Environment variables override the default commands:
CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
RMPROG STRIPPROG
"
while test $# -ne 0; do
case $1 in
-c) ;;
-C) copy_on_change=true;;
-d) dir_arg=true;;
-g) chgrpcmd="$chgrpprog $2"
shift;;
--help) echo "$usage"; exit $?;;
-m) mode=$2
case $mode in
*' '* | *' '* | *'
'* | *'*'* | *'?'* | *'['*)
echo "$0: invalid mode: $mode" >&2
exit 1;;
esac
shift;;
-o) chowncmd="$chownprog $2"
shift;;
-s) stripcmd=$stripprog;;
-t) dst_arg=$2
shift;;
-T) no_target_directory=true;;
--version) echo "$0 $scriptversion"; exit $?;;
--) shift
break;;
-*) echo "$0: invalid option: $1" >&2
exit 1;;
*) break;;
esac
shift
done
if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
# When -d is used, all remaining arguments are directories to create.
# When -t is used, the destination is already specified.
# Otherwise, the last argument is the destination. Remove it from $@.
for arg
do
if test -n "$dst_arg"; then
# $@ is not empty: it contains at least $arg.
set fnord "$@" "$dst_arg"
shift # fnord
fi
shift # arg
dst_arg=$arg
done
fi
if test $# -eq 0; then
if test -z "$dir_arg"; then
echo "$0: no input file specified." >&2
exit 1
fi
# It's OK to call `install-sh -d' without argument.
# This can happen when creating conditional directories.
exit 0
fi
if test -z "$dir_arg"; then
trap '(exit $?); exit' 1 2 13 15
# Set umask so as not to create temps with too-generous modes.
# However, 'strip' requires both read and write access to temps.
case $mode in
# Optimize common cases.
*644) cp_umask=133;;
*755) cp_umask=22;;
*[0-7])
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw='% 200'
fi
cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
*)
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw=,u+rw
fi
cp_umask=$mode$u_plus_rw;;
esac
fi
for src
do
# Protect names starting with `-'.
case $src in
-*) src=./$src;;
esac
if test -n "$dir_arg"; then
dst=$src
dstdir=$dst
test -d "$dstdir"
dstdir_status=$?
else
# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if test ! -f "$src" && test ! -d "$src"; then
echo "$0: $src does not exist." >&2
exit 1
fi
if test -z "$dst_arg"; then
echo "$0: no destination specified." >&2
exit 1
fi
dst=$dst_arg
# Protect names starting with `-'.
case $dst in
-*) dst=./$dst;;
esac
# If destination is a directory, append the input filename; won't work
# if double slashes aren't ignored.
if test -d "$dst"; then
if test -n "$no_target_directory"; then
echo "$0: $dst_arg: Is a directory" >&2
exit 1
fi
dstdir=$dst
dst=$dstdir/`basename "$src"`
dstdir_status=0
else
# Prefer dirname, but fall back on a substitute if dirname fails.
dstdir=`
(dirname "$dst") 2>/dev/null ||
expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
X"$dst" : 'X\(//\)[^/]' \| \
X"$dst" : 'X\(//\)$' \| \
X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
echo X"$dst" |
sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
s//\1/
q
}
/^X\(\/\/\)[^/].*/{
s//\1/
q
}
/^X\(\/\/\)$/{
s//\1/
q
}
/^X\(\/\).*/{
s//\1/
q
}
s/.*/./; q'
`
test -d "$dstdir"
dstdir_status=$?
fi
fi
obsolete_mkdir_used=false
if test $dstdir_status != 0; then
case $posix_mkdir in
'')
# Create intermediate dirs using mode 755 as modified by the umask.
# This is like FreeBSD 'install' as of 1997-10-28.
umask=`umask`
case $stripcmd.$umask in
# Optimize common cases.
*[2367][2367]) mkdir_umask=$umask;;
.*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
*[0-7])
mkdir_umask=`expr $umask + 22 \
- $umask % 100 % 40 + $umask % 20 \
- $umask % 10 % 4 + $umask % 2
`;;
*) mkdir_umask=$umask,go-w;;
esac
# With -d, create the new directory with the user-specified mode.
# Otherwise, rely on $mkdir_umask.
if test -n "$dir_arg"; then
mkdir_mode=-m$mode
else
mkdir_mode=
fi
posix_mkdir=false
case $umask in
*[123567][0-7][0-7])
# POSIX mkdir -p sets u+wx bits regardless of umask, which
# is incompatible with FreeBSD 'install' when (umask & 300) != 0.
;;
*)
tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
if (umask $mkdir_umask &&
exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
then
if test -z "$dir_arg" || {
# Check for POSIX incompatibilities with -m.
# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
# other-writeable bit of parent directory when it shouldn't.
# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
ls_ld_tmpdir=`ls -ld "$tmpdir"`
case $ls_ld_tmpdir in
d????-?r-*) different_mode=700;;
d????-?--*) different_mode=755;;
*) false;;
esac &&
$mkdirprog -m$different_mode -p -- "$tmpdir" && {
ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
}
}
then posix_mkdir=:
fi
rmdir "$tmpdir/d" "$tmpdir"
else
# Remove any dirs left behind by ancient mkdir implementations.
rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
fi
trap '' 0;;
esac;;
esac
if
$posix_mkdir && (
umask $mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
)
then :
else
# The umask is ridiculous, or mkdir does not conform to POSIX,
# or it failed possibly due to a race condition. Create the
# directory the slow way, step by step, checking for races as we go.
case $dstdir in
/*) prefix='/';;
-*) prefix='./';;
*) prefix='';;
esac
eval "$initialize_posix_glob"
oIFS=$IFS
IFS=/
$posix_glob set -f
set fnord $dstdir
shift
$posix_glob set +f
IFS=$oIFS
prefixes=
for d
do
test -z "$d" && continue
prefix=$prefix$d
if test -d "$prefix"; then
prefixes=
else
if $posix_mkdir; then
(umask=$mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
# Don't fail if two instances are running concurrently.
test -d "$prefix" || exit 1
else
case $prefix in
*\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
*) qprefix=$prefix;;
esac
prefixes="$prefixes '$qprefix'"
fi
fi
prefix=$prefix/
done
if test -n "$prefixes"; then
# Don't fail if two instances are running concurrently.
(umask $mkdir_umask &&
eval "\$doit_exec \$mkdirprog $prefixes") ||
test -d "$dstdir" || exit 1
obsolete_mkdir_used=true
fi
fi
fi
if test -n "$dir_arg"; then
{ test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
else
# Make a couple of temp file names in the proper directory.
dsttmp=$dstdir/_inst.$$_
rmtmp=$dstdir/_rm.$$_
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.\" Sami Kerola
.\" http://www.iki.fi/kerolasa/
.\" kerolasa@iki.fi
.\"
.\" Add'l ontributions by:
.\" Dan Thorson
.\"
.TH DHCPD-POOLS 1 "Jan 21 2011" "SourceForge" "ISC dhcpd analysis"
.SH NAME
dhcpd-pools \- ISC dhcpd pools usage analysis
.SH SYNOPSIS
.B dhcpd-pools
[-c file] [-l file] [-f thcxX] [-s nimcptTe] [-r] [-o file] [-L nr] [-v] [-h]
.SH DESCRIPTION
The program analyses ISC dhcpd shared network and pool usage and outputs the
results in a user selectable format.
.SH FIELDS
.TP
.I "shared net name"
Name of the shared-network for the range.
.TP
.I "first ip"
First IP in lease pool range.
.TP
.I "last ip"
Last IP in lease pool range.
.TP
.I "max"
Number of IPs which exist in a pool, shared network or all together.
.TP
.I "cur"
Number of leases currently in use.
.TP
.I "percent"
Percent of IPs currently in use compared to max.
.TP
.I "touch"
Number of IP's which appear in the lease file, but who's leases have
expired. A touched IP is either expired or abandoned. The touched IP count
is somewhat misleading when you try to determine if an IP pool is big
enough; it is a better indicator of whether a pool is too large.
.TP
.I "t+c"
The sum of Touched and Currently in-use leases.
.TP
.I "t+c perc"
Percent of IPs either touched or currently in use, compared to max.
.TP
.I "bu"
Failover pair can allocate these addresses. The count appears only if there
is failover configuration.
.TP
.I "bu perc"
Percent of addresses that failover pair can allocate. The percent appears
only if there is failover configuration.
.SH ARGUMENTS
.TP
.I "\-c, \-\-config"
Path to the dhcpd.conf file.
.TP
.I "\-l, \-\-leases"
Path to the dhcpd.leases file.
.TP
.I "\-s, \-\-sort"
Sort ranges by chosen fields as a sorting keys. Maximum of five sort keys
can be defined. Keys weight from left to right IE if more weighting keys
are equal next one is used. The IP field is default sort key.
.TP
.I "\-r, \-\-reverse"
Sort results in reverse order.
.TP
.I "\-f, \-\-format"
Output format. Currently there is text, html, full-html and csv
(comma-separated values). Default is text. Standard html (h) outputs only
the HTML tables, and is useful for embeding more complex web pages.
Full-html (H) provides complete HTML headers, etc., including in-line CSS.
Output format xml (x) is similar to the dhcpstatus Perl module output. The
extended xml (X) format will print ethernet address details.
.TP
.I "\-o, \-\-output"
File where output is written. Default is stdout.
.TP
.I "\-L, \-\-limit"
Limit what will be printed. Syntax is similar to chmod permission string.
The limit string uses two digits which vary between 0 to 7. The first digit
determines which headers to display, and the second digit determines which
numeric analysis tables to include in the output. The following values are
"OR'd" together to create the desired output. The default is 77.
.RS
.PD 0
.TP
.B 01
Print x
.TP
.B 02
Print y
.TP
.B 04
Print z
.TP
.B 10
Print headers for x
.TP
.B 20
Print headers for y
.TP
.B 40
Print headers for z
.PD
.RE
.TP
.I "\-v, \-\-version"
Print version information to standard output and exit successfully.
.TP
.I "\-h, \-\-help"
Print help to standard output and exit successfully.
.SH FILES
.if n .ta 2.8i
.if t .ta 2.1i
/etc/dhcpd.conf
.br
ISC dhcpd configuration file.
.br
.br
/var/lib/dhcp/dhcpd.leases
.br
ISC dhcpd lease file.
.SH AUTHOR
Sami Kerola <kerolasa@iki.fi>
.br
http://dhcpd-pools.sourceforge.net/
.SH "SEE ALSO"
.BR dhcpd.leases (5),
.BR dhcpd.conf (5),
.BR chmod (1)

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#! /bin/sh
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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'
autom4te touch the output file, or create a stub one
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
help2man touch the output file
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]
Send bug reports to <bug-automake@gnu.org>."
exit $?
;;
-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
echo "missing $scriptversion (GNU Automake)"
exit $?
;;
-*)
echo 1>&2 "$0: Unknown \`$1' option"
echo 1>&2 "Try \`$0 --help' for more information"
exit 1
;;
esac
# Now exit if we have it, but it failed. Also exit now if we
# don't have it and --version was passed (most likely to detect
# the program).
case $1 in
lex|yacc)
# Not GNU programs, they don't have --version.
;;
tar)
if test -n "$run"; then
echo 1>&2 "ERROR: \`tar' requires --run"
exit 1
elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
exit 1
fi
;;
*)
if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
# We have it, but it failed.
exit 1
elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
# Could not run --version or --help. This is probably someone
# running `$TOOL --version' or `$TOOL --help' to check whether
# $TOOL exists and not knowing $TOOL uses missing.
exit 1
fi
;;
esac
# If it does not exist, or fails to run (possibly an outdated version),
# try to emulate it.
case $1 in
aclocal*)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified \`acinclude.m4' or \`${configure_ac}'. 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 $msg. You should only need it if
you modified \`${configure_ac}'. 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 $msg. You should only need it if
you modified \`acconfig.h' or \`${configure_ac}'. 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' ${configure_ac}`
test -z "$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 $msg. You should only need it if
you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
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
;;
autom4te)
echo 1>&2 "\
WARNING: \`$1' is needed, but is $msg.
You might have modified some files without having the
proper tools for further handling them.
You can get \`$1' as part of \`Autoconf' from any GNU
archive site."
file=`echo "$*" | sed -n "$sed_output"`
test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
if test -f "$file"; then
touch $file
else
test -z "$file" || exec >$file
echo "#! /bin/sh"
echo "# Created by GNU Automake missing as a replacement of"
echo "# $ $@"
echo "exit 0"
chmod +x $file
exit 1
fi
;;
bison|yacc)
echo 1>&2 "\
WARNING: \`$1' $msg. 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 test $# -ne 1; then
eval LASTARG="\${$#}"
case $LASTARG in
*.y)
SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
if test -f "$SRCFILE"; then
cp "$SRCFILE" y.tab.c
fi
SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
if test -f "$SRCFILE"; then
cp "$SRCFILE" y.tab.h
fi
;;
esac
fi
if test ! -f y.tab.h; then
echo >y.tab.h
fi
if test ! -f y.tab.c; then
echo 'main() { return 0; }' >y.tab.c
fi
;;
lex|flex)
echo 1>&2 "\
WARNING: \`$1' is $msg. 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 test $# -ne 1; then
eval LASTARG="\${$#}"
case $LASTARG in
*.l)
SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
if test -f "$SRCFILE"; then
cp "$SRCFILE" lex.yy.c
fi
;;
esac
fi
if test ! -f lex.yy.c; then
echo 'main() { return 0; }' >lex.yy.c
fi
;;
help2man)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified a dependency of a manual page. You may need the
\`Help2man' package in order for those modifications to take
effect. You can get \`Help2man' from any GNU archive site."
file=`echo "$*" | sed -n "$sed_output"`
test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
if test -f "$file"; then
touch $file
else
test -z "$file" || exec >$file
echo ".ab help2man is required to generate this page"
exit 1
fi
;;
makeinfo)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified a \`.texi' or \`.texinfo' file, or any other file
indirectly affecting the aspect of the manual. The spurious
call might also be the consequence of using a buggy \`make' (AIX,
DU, IRIX). You might want to install the \`Texinfo' package or
the \`GNU make' package. Grab either from any GNU archive site."
# The file to touch is that specified with -o ...
file=`echo "$*" | sed -n "$sed_output"`
test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
if test -z "$file"; then
# ... or it is the one specified with @setfilename ...
infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
file=`sed -n '
/^@setfilename/{
s/.* \([^ ]*\) *$/\1/
p
q
}' $infile`
# ... or it is derived from the source name (dir/f.texi becomes f.info)
test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
fi
# If the file does not exist, the user really needs makeinfo;
# let's fail without touching anything.
test -f $file || exit 1
touch $file
;;
tar)
shift
# We have already tried tar in the generic part.
# Look for gnutar/gtar before invocation to avoid ugly error
# messages.
if (gnutar --version > /dev/null 2>&1); then
gnutar "$@" && exit 0
fi
if (gtar --version > /dev/null 2>&1); then
gtar "$@" && exit 0
fi
firstarg="$1"
if shift; then
case $firstarg in
*o*)
firstarg=`echo "$firstarg" | sed s/o//`
tar "$firstarg" "$@" && exit 0
;;
esac
case $firstarg in
*h*)
firstarg=`echo "$firstarg" | sed s/h//`
tar "$firstarg" "$@" && 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 is $msg.
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 prerequisites for installing
this package. You may also peek at any GNU archive site, in case
some other package would contain this missing \`$1' program."
exit 1
;;
esac
exit 0
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-end: "$"
# End:

161
mkinstalldirs Executable file
View file

@ -0,0 +1,161 @@
#! /bin/sh
# mkinstalldirs --- make directory hierarchy
scriptversion=2006-05-11.19
# Original author: Noah Friedman <friedman@prep.ai.mit.edu>
# Created: 1993-05-16
# Public domain.
#
# This file is maintained in Automake, please report
# bugs to <bug-automake@gnu.org> or send patches to
# <automake-patches@gnu.org>.
nl='
'
IFS=" "" $nl"
errstatus=0
dirmode=
usage="\
Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...
Create each directory DIR (with mode MODE, if specified), including all
leading file name components.
Report bugs to <bug-automake@gnu.org>."
# process command line arguments
while test $# -gt 0 ; do
case $1 in
-h | --help | --h*) # -h for help
echo "$usage"
exit $?
;;
-m) # -m PERM arg
shift
test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
dirmode=$1
shift
;;
--version)
echo "$0 $scriptversion"
exit $?
;;
--) # stop option processing
shift
break
;;
-*) # unknown option
echo "$usage" 1>&2
exit 1
;;
*) # first non-opt arg
break
;;
esac
done
for file
do
if test -d "$file"; then
shift
else
break
fi
done
case $# in
0) exit 0 ;;
esac
# Solaris 8's mkdir -p isn't thread-safe. If you mkdir -p a/b and
# mkdir -p a/c at the same time, both will detect that a is missing,
# one will create a, then the other will try to create a and die with
# a "File exists" error. This is a problem when calling mkinstalldirs
# from a parallel make. We use --version in the probe to restrict
# ourselves to GNU mkdir, which is thread-safe.
case $dirmode in
'')
if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
echo "mkdir -p -- $*"
exec mkdir -p -- "$@"
else
# On NextStep and OpenStep, the `mkdir' command does not
# recognize any option. It will interpret all options as
# directories to create, and then abort because `.' already
# exists.
test -d ./-p && rmdir ./-p
test -d ./--version && rmdir ./--version
fi
;;
*)
if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
test ! -d ./--version; then
echo "mkdir -m $dirmode -p -- $*"
exec mkdir -m "$dirmode" -p -- "$@"
else
# Clean up after NextStep and OpenStep mkdir.
for d in ./-m ./-p ./--version "./$dirmode";
do
test -d $d && rmdir $d
done
fi
;;
esac
for file
do
case $file in
/*) pathcomp=/ ;;
*) pathcomp= ;;
esac
oIFS=$IFS
IFS=/
set fnord $file
shift
IFS=$oIFS
for d
do
test "x$d" = x && continue
pathcomp=$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=$lasterr
else
if test ! -z "$dirmode"; then
echo "chmod $dirmode $pathcomp"
lasterr=
chmod "$dirmode" "$pathcomp" || lasterr=$?
if test ! -z "$lasterr"; then
errstatus=$lasterr
fi
fi
fi
fi
pathcomp=$pathcomp/
done
done
exit $errstatus
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-end: "$"
# End:

8
src/Makefile.am Normal file
View file

@ -0,0 +1,8 @@
## Makefile.am -- Process this file with automake to produce Makefile.in
bin_PROGRAMS = dhcpd-pools
AC_PROG_RANLIB = resolv
dhcpd_pools_SOURCES = dhcpd-pools.h defaults.h dhcpd-pools.c analyze.c getdata.c getopt1.c getopt.c other.c sort.c output.c getopt.h
INCLUDES = -I. -I..

460
src/Makefile.in Normal file
View file

@ -0,0 +1,460 @@
# Makefile.in generated by automake 1.11.1 from Makefile.am.
# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005, 2006, 2007, 2008, 2009 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
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INSTALL_HEADER = $(INSTALL_DATA)
transform = $(program_transform_name)
NORMAL_INSTALL = :
PRE_INSTALL = :
POST_INSTALL = :
NORMAL_UNINSTALL = :
PRE_UNINSTALL = :
POST_UNINSTALL = :
bin_PROGRAMS = dhcpd-pools$(EXEEXT)
subdir = src
DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
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am__aclocal_m4_deps = $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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am__include = @am__include@
am__leading_dot = @am__leading_dot@
am__quote = @am__quote@
am__tar = @am__tar@
am__untar = @am__untar@
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mandir = @mandir@
mkdir_p = @mkdir_p@
oldincludedir = @oldincludedir@
pdfdir = @pdfdir@
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target_alias = @target_alias@
top_build_prefix = @top_build_prefix@
top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
AC_PROG_RANLIB = resolv
dhcpd_pools_SOURCES = dhcpd-pools.h defaults.h dhcpd-pools.c analyze.c getdata.c getopt1.c getopt.c other.c sort.c output.c getopt.h
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dhcpd-pools.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getdata.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getopt.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getopt1.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/other.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/output.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sort.Po@am__quote@
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/*
** Copyright (C) 2006- Sami Kerola <kerolasa@iki.fi>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include "dhcpd-pools.h"
/* Clean up data */
int prepare_data(void)
{
unsigned long int i, j, k;
/* Sort leases */
qsort(leases, (size_t) num_leases, sizeof(long int), &intcomp);
/* Get rid of lease dublicates */
for (k = j = i = 0; i < num_leases; i++) {
if (j != leases[i]) {
leases[k] = leases[i];
j = leases[i];
k++;
}
}
num_leases = k;
/* Delete touched IPs that are in use. */
j = 0;
for (i = 0; i < num_touches; i++) {
if (bsearch
(&touches[i], leases, (size_t) num_leases,
sizeof(long int), &intcomp) == NULL) {
touches[j] = touches[i];
j++;
}
}
num_touches = j;
qsort(touches, (size_t) num_touches, sizeof(long int), &intcomp);
/* Sort ranges */
qsort(ranges, (size_t) num_ranges, sizeof(struct range_t),
&rangecomp);
/* Sort backups */
if (num_backups > 0) {
qsort(backups, (size_t) num_backups, sizeof(long int),
&intcomp);
}
return 0;
}
/* Join leases and ranges into couter structs */
int do_counting(void)
{
struct range_t *range_p;
unsigned int i, j, k, m, block_size;
i = j = m = 0;
range_p = ranges;
/* Walk through ranges */
for (k = 0; k < num_ranges; k++) {
/* Count IPs in use */
for (; range_p->last_ip > leases[i]
&& (unsigned long) i < num_leases; i++) {
if (range_p->first_ip > leases[i]) {
continue;
}
/* IP with in range */
range_p->count++;
if (range_p->shared_net) {
range_p->shared_net->used++;
}
}
/* Count touched IPs */
for (; range_p->last_ip > touches[j]
&& (unsigned long) j < num_touches; j++) {
if (range_p->first_ip > touches[j]) {
continue;
}
/* IP with in range */
range_p->touched++;
if (range_p->shared_net) {
range_p->shared_net->touched++;
}
}
/* Count backup IPs */
if (num_backups > 0) {
for (; range_p->last_ip > backups[m]
&& (unsigned long) m < num_touches; m++) {
if (range_p->first_ip > touches[m]) {
continue;
}
/* IP with in range */
range_p->backups++;
if (range_p->shared_net) {
range_p->shared_net->backups++;
}
}
}
/* Size of range, shared net & all networks */
block_size =
(unsigned int) (range_p->last_ip - range_p->first_ip -
1);
if (range_p->shared_net) {
range_p->shared_net->available += block_size;
}
/* Reverse so that not even a one IP will be missed. */
if (i) {
i--;
}
if (j) {
j--;
}
range_p++;
}
/* During count of other shared networks default network and
* all networks got mixed to gether semantically. This fixes
* the problem, but is not elegant. TODO: fix semantics of all
* and default share_network. */
shared_networks->available = 0;
shared_networks->used = 0;
shared_networks->touched = 0;
range_p = ranges;
for (k = 0; k < num_ranges; k++) {
shared_networks->available +=
range_p->last_ip - range_p->first_ip - 1;
shared_networks->used += range_p->count;
shared_networks->touched += range_p->touched;
shared_networks->backups += range_p->backups;
range_p++;
}
return 0;
}

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/*
** Copyright (C) 2006 Sami Kerola <kerolasa@iki.fi>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DEFAULTS_H
# define DEFAULTS_H 1
/* Maximum line length in dhcpd.conf and dhcpd.leases */
static const int MAXLEN = 1024;
/* Total number of characters in all shared network names */
static const int SHARED_NETWORKS_NAMES = 24576;
/* Maximum number of shared networks */
static const int SHARED_NETWORKS = 1024;
/* Maximum number of ranges */
static const unsigned int RANGES = 65536;
/* Merge sort split size */
static const int MIN_MERGE_SIZE = 8;
#endif /* DEFAULTS_H */

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/*
** Copyright (C) 2006- Sami Kerola <kerolasa@iki.fi>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#else /* Not STDC_HEADERS */
extern void exit();
extern char *malloc();
#endif /* STDC_HEADERS */
#ifdef HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#include <getopt.h>
#include "dhcpd-pools.h"
#include "defaults.h"
int main(int argc, char **argv)
{
int c, sorts = 0;
int option_index = 0;
char *tmp;
struct range_t *tmp_ranges;
/* Options for getopt_long */
static struct option const long_options[] = {
{"config", required_argument, 0, (int) 'c'},
{"leases", required_argument, 0, (int) 'l'},
{"format", required_argument, 0, (int) 'f'},
{"sort", required_argument, 0, (int) 's'},
{"reverse", no_argument, 0, (int) 'r'},
{"output", required_argument, 0, (int) 'o'},
{"limit", required_argument, 0, (int) 'L'},
{"version", no_argument, 0, (int) 'v'},
{"help", no_argument, 0, (int) 'h'},
{0, 0, 0, 0}
};
program_name = argv[0];
atexit(clean_up);
/* TODO: make either dynamic or find out max path lenght that auto config
* provides */
config.dhcpdconf_file = safe_malloc(sizeof(char) * MAXLEN);
config.dhcpdlease_file = safe_malloc(sizeof(char) * MAXLEN);
config.output_file = safe_malloc(sizeof(char) * MAXLEN);
/* Make sure string has zero lenght if there is no command line
* option */
config.output_file[0] = '\0';
/* File location defaults */
strncpy(config.dhcpdconf_file, DHCPDCONF_FILE,
(size_t) MAXLEN - 1);
strncpy(config.dhcpdlease_file, DHCPDLEASE_FILE,
(size_t) MAXLEN - 1);
tmp = OUTPUT_LIMIT;
config.output_limit[0] = (int) (*tmp - '0');
tmp++;
config.output_limit[1] = (int) (*tmp - '0');
fullhtml = false;
/* Make sure some output format is selected by default */
strncpy(config.output_format, OUTPUT_FORMAT, (size_t) 1);
/* Default sort order is by IPs small to big */
config.reverse_order = false;
/* Parse command line options */
while (1) {
c = getopt_long(argc, argv, "c:l:f:o:s:rL:vh",
long_options, &option_index);
if (c == EOF)
break;
switch (c) {
case 0:
break;
case 'c':
/* config file */
if (optarg != NULL) {
strncpy(config.dhcpdconf_file, optarg,
(size_t) MAXLEN - 1);
} else {
eprintf
("main: for argument configuration file parameter not set");
usage(EXIT_FAILURE);
}
break;
case 'l':
/* lease file */
if (optarg != NULL) {
strncpy(config.dhcpdlease_file, optarg,
(size_t) MAXLEN - 1);
} else {
eprintf
("main: for argument lease file parameter not set");
usage(EXIT_FAILURE);
}
break;
case 'f':
/* Output format */
if (optarg != NULL) {
strncpy(config.output_format, optarg,
(size_t) 1);
} else {
eprintf
("main: for argument output format parameter not set");
usage(EXIT_FAILURE);
}
break;
case 's':
/* Output sorting option */
if (optarg != NULL) {
sorts = strlen(optarg);
if (sorts > 5) {
eprintf
("main: only 5 first sort orders will be used");
strncpy(config.sort, optarg,
(size_t) 5);
sorts = 5;
} else {
strncpy(config.sort, optarg,
(size_t) sorts);
}
} else {
eprintf
("main: for argument sort order parameter not set");
usage(EXIT_FAILURE);
}
break;
case 'r':
/* What ever sort in reverse order */
config.reverse_order = true;
break;
case 'o':
/* Output file */
if (optarg != NULL) {
strncpy(config.output_file, optarg,
(size_t) MAXLEN - 1);
} else {
eprintf
("main: for argument output file parameter not set");
usage(EXIT_FAILURE);
}
break;
case 'L':
/* Specification what will be printed */
if (optarg != NULL) {
if (optarg[0] >= '0' && optarg[0] < '8') {
config.output_limit[0] =
(int) optarg[0] - '0';
} else {
eprintf
("main: output mask %s illegal",
argv[optind]);
usage(EXIT_FAILURE);
}
if (optarg[1] >= '0' && optarg[1] < '8') {
config.output_limit[1] =
(int) optarg[1] - '0';
} else {
eprintf
("main: output mask %s illegal",
optarg);
usage(EXIT_FAILURE);
}
} else {
eprintf
("main: for argument output mask parameter not set");
usage(EXIT_FAILURE);
}
break;
case 'v':
/* Print version */
print_version();
exit(EXIT_SUCCESS);
case 'h':
/* Print help */
usage(EXIT_SUCCESS);
default:
usage(EXIT_FAILURE);
}
}
/* Output function selection */
switch (config.output_format[0]) {
case 't':
output_analysis = output_txt;
break;
case 'h':
output_analysis = output_html;
break;
case 'H':
output_analysis = output_html;
fullhtml = true;
break;
case 'x':
output_analysis = output_xml;
break;
case 'X':
output_analysis = output_xml;
break;
case 'c':
output_analysis = output_csv;
break;
case 's':
/* output_analysis = output_snmp; */
output_analysis = output_txt;
break;
default:
eprintf("main: unknown ouput format");
usage(EXIT_FAILURE);
}
/* Do the job */
prepare_memory();
parse_config(true, config.dhcpdconf_file, shared_net_names,
shared_net_names + strlen(shared_net_names) + 1,
shared_networks);
if ((config.output_format[0] == 'x')
|| (config.output_format[0] == 'X')) {
printf("<dhcpstatus>\n");
};
parse_leases();
prepare_data();
do_counting();
tmp_ranges = safe_malloc(sizeof(struct range_t) * num_ranges);
if (sorts != 0) {
mergesort_ranges(ranges, num_ranges, tmp_ranges);
}
if (config.reverse_order == true) {
flip_ranges(ranges, tmp_ranges);
}
free(tmp_ranges);
output_analysis();
if ((config.output_format[0] == 'x')
|| (config.output_format[0] == 'X')) {
printf("</dhcpstatus>\n");
};
exit(EXIT_SUCCESS);
}
/* Global allocations, counter resets etc */
int prepare_memory()
{
num_ranges = num_shared_networks = 0;
shared_networks =
safe_malloc(sizeof(struct shared_network_t) * SHARED_NETWORKS);
shared_net_names =
safe_malloc(sizeof(char) * SHARED_NETWORKS_NAMES);
ranges = safe_malloc(sizeof(struct range_t) * RANGES);
/* First shared network entry is all networks */
strcpy(shared_net_names, "All networks");
return 0;
}

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/*
** Copyright (C) 2006- Sami Kerola <kerolasa@iki.fi>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DHCPD_POOLS_H
# define DHCPD_POOLS_H 1
#include <config.h>
/* Feature test switches */
#define _POSIX_SOURCE 1
#define POSIXLY_CORRECT 1
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#else /* Not STDC_HEADERS */
extern void exit ();
extern char *malloc ();
#endif /* STDC_HEADERS */
/* Structures and unions */
struct configuration_t
{
char *dhcpdconf_file;
char *dhcpdlease_file;
char output_format[2];
char sort[6];
int reverse_order;
char *output_file;
int output_limit[2];
};
struct shared_network_t
{
char *name;
unsigned long int available;
unsigned long int used;
unsigned long int touched;
unsigned long int backups;
};
struct range_t
{
struct shared_network_t *shared_net;
unsigned long int first_ip;
unsigned long int last_ip;
unsigned long int count;
unsigned long int touched;
unsigned long int backups;
};
/* Global variables */
static int true = 1;
static int false = 0;
char *program_name;
struct configuration_t config;
static int output_limit_bit_1 = 1;
static int output_limit_bit_2 = 2;
static int output_limit_bit_3 = 4;
unsigned int fullhtml;
struct shared_network_t *shared_networks;
char *shared_net_names;
unsigned int num_shared_networks;
struct range_t *ranges;
unsigned int num_ranges;
unsigned long int *leases;
unsigned long int num_leases;
unsigned long int *touches;
unsigned long int num_touches;
unsigned long int *backups;
unsigned long int num_backups;
/* Function prototypes */
int prepare_memory (void);
int parse_leases (void);
char * parse_config (int, char *, char *, char *, struct shared_network_t *);
int nth_field (int n, char *dest, const char *src);
int prepare_data (void);
int do_counting (void);
void flip_ranges(struct range_t *ranges, struct range_t *tmp_ranges);
/* General support functions */
void *safe_malloc (size_t size);
void eprintf (char *, ...);
void print_version (void);
void usage (int status);
/* qsort required functions... */
/* ...for ranges and... */
int intcomp (const void *x, const void *y);
int rangecomp (const void *r1, const void *r2);
/* sort function pointer and functions */
int sort_name (void);
unsigned long int (*returner) (struct range_t r);
unsigned long int ret_ip(struct range_t r);
unsigned long int ret_cur(struct range_t r);
unsigned long int ret_max(struct range_t r);
unsigned long int ret_percent(struct range_t r);
unsigned long int ret_touched(struct range_t r);
unsigned long int ret_tc(struct range_t r);
unsigned long int ret_tcperc(struct range_t r);
void field_selector(char c);
int get_order(struct range_t *left, struct range_t *right);
void mergesort_ranges (struct range_t *orig, int size, struct range_t *temp);
/* output function pointer and functions */
int (*output_analysis) (void);
int output_txt (void);
int output_html (void);
int output_xml (void);
int output_csv (void);
/* Memory release, file closing etc */
void clean_up (void);
#endif /* DHCPD_POOLS_H */

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/*
** Copyright (C) 2006- Sami Kerola < >
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#else /* Not STDC_HEADERS */
extern void exit();
extern char *malloc();
#define EXIT_FAILURE 1 /* Failing exit status. */
#define EXIT_SUCCESS 0 /* Successful exit status. */
#endif /* STDC_HEADERS */
#ifdef HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#include <stdio.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#define _XOPEN_SOURCE 600
#include <fcntl.h>
#include <errno.h>
#include <ctype.h>
#include <limits.h>
#include "dhcpd-pools.h"
#include "defaults.h"
/* Parse dhcpd.leases file. All performance boosts for this
* function are wellcome */
int parse_leases(void)
{
FILE *dhcpd_leases;
char *line, *ipstring, *macstring, *macstring2;
struct in_addr inp;
struct stat lease_file_stats;
unsigned long leasesmallocsize;
unsigned long touchesmallocsize;
unsigned long backupsmallocsize;
int sw_active_lease = 0;
num_touches = num_leases = num_backups = 0;
dhcpd_leases = fopen(config.dhcpdlease_file, "r");
if (dhcpd_leases == NULL) {
eprintf("parse_leases: %s:", config.dhcpdlease_file);
exit(EXIT_FAILURE);
}
#ifdef POSIX_FADV_NOREUSE
posix_fadvise((long) dhcpd_leases, 0, 0, POSIX_FADV_NOREUSE);
if (errno) {
eprintf("parse_leases: fadvise:");
exit(EXIT_FAILURE);
}
#endif /* POSIX_FADV_NOREUSE */
#ifdef POSIX_FADV_SEQUENTIAL
posix_fadvise((long) dhcpd_leases, 0, 0, POSIX_FADV_SEQUENTIAL);
if (errno) {
eprintf("parse_leases: fadvise:");
exit(EXIT_FAILURE);
}
#endif /* POSIX_FADV_SEQUENTIAL */
/* I found out that there's one lease address per 300 bytes in
* dhcpd.leases file. Malloc is little bit pessimistic and uses
* 250. If someone has higher density in lease file I'm
* interested to hear about that. */
if (stat(config.dhcpdlease_file, &lease_file_stats)) {
eprintf("parse_leases: %s:", config.dhcpdlease_file);
exit(EXIT_FAILURE);
}
leasesmallocsize = (lease_file_stats.st_size / 250) + MAXLEN - 2;
touchesmallocsize = (lease_file_stats.st_size / 250) + MAXLEN - 2;
backupsmallocsize = (lease_file_stats.st_size / 120) + MAXLEN - 2;
leases = safe_malloc(sizeof(long int) * leasesmallocsize);
touches =
safe_malloc((size_t) sizeof(long int) * touchesmallocsize);
line = safe_malloc(sizeof(long int) * MAXLEN);
ipstring = safe_malloc(sizeof(long int) * MAXLEN);
macstring = safe_malloc(sizeof(long int) * MAXLEN);
macstring2 = safe_malloc(sizeof(long int) * MAXLEN);
while (!feof(dhcpd_leases)) {
fgets(line, MAXLEN, dhcpd_leases);
/* It's a lease, save IP */
if (strstr(line, "lease") == line) {
strncpy(ipstring, line, (size_t) MAXLEN);
nth_field(2, ipstring, ipstring);
inet_aton(ipstring, &inp);
sw_active_lease = 0;
}
/* Copy IP to correct array */
else if (strstr(line, "binding state active")) {
leases[num_leases] = htonl(inp.s_addr);
num_leases++;
sw_active_lease = 1;
} else if (strstr(line, " binding state free")) {
touches[num_touches] = htonl(inp.s_addr);
num_touches++;
} else if (strstr(line, " binding state backup")) {
if (num_backups == 0) {
backups =
safe_malloc((size_t) sizeof(long int) *
backupsmallocsize);
}
backups[num_backups] = htonl(inp.s_addr);
num_backups++;
}
if ((sw_active_lease == 1)
&& (strstr(line, "hardware ethernet"))) {
nth_field(3, macstring, line);
macstring[strlen(macstring) - 1] = '\0';
if (config.output_format[0] == 'X') {
printf
("<active_lease>\n\t<ip>%s</ip>\n\t<macaddress>%s</macaddress>\n</active_lease>\n",
ipstring, macstring);
};
}
if ((num_leases > leasesmallocsize) ||
(num_touches > touchesmallocsize) ||
(num_backups > backupsmallocsize)) {
printf("WARNING: running out of memory\n");
printf("\tlease/touch/backup = %lu/%lu/%lu\n",
leasesmallocsize, touchesmallocsize,
backupsmallocsize);
printf("\tlease/touch/backup = %lu/%lu/%lu\n",
num_leases, num_touches, num_backups);
printf
("Code should realloc() and init new memory, but no time to write that now!\n");
exit(EXIT_FAILURE);
}
}
return 0;
}
/* Like strcpy but for field which is separated by white spaces.
* Number of first field is 1 and not 0 like C programs should
* have. Question of semantics, send mail to author if this
* annoys. All performance boosts for this function are well
* come. */
int nth_field(int n, char *dest, const char *src)
{
int i, j = 0, wordn = 0, len;
len = strlen(src);
for (i = 0; i < len; i++) {
if (isspace(src[i])) {
if (!(wordn < n)) {
dest[j] = '\0';
break;
}
j = 0;
} else {
if (j == 0) {
wordn++;
}
if (wordn == n) {
dest[j] = src[i];
}
j++;
}
}
return 0;
}
/* dhcpd.conf interesting words */
int is_interesting_config_clause(char *s)
{
if (strstr(s, "shared-network")) {
return 1;
} else if (strstr(s, "range")) {
return 3;
} else if (strstr(s, "include")) {
return 4;
} else {
return 0;
}
}
/* TODO: This spagetti monster function need to be rewrote at
* least ones. */
char *parse_config(int is_include, char *config_file,
char *current_shared_name,
char *next_free_shared_name,
struct shared_network_t *shared_p)
{
FILE *dhcpd_config;
int i = 0, newclause = true, argument = false, comment =
false, braces = 0, quote = false;
char *word, c;
int braces_shared = 1000;
struct in_addr inp;
struct range_t *range_p;
char *last_shared_name;
last_shared_name = SHARED_NETWORKS_NAMES + shared_net_names;
word = safe_malloc(sizeof(char) * MAXLEN);
if (is_include) {
/* Default place holder for ranges "All networks". */
shared_p->name = current_shared_name;
}
/* Open configuration file */
dhcpd_config = fopen(config_file, "r");
if (dhcpd_config == NULL) {
eprintf("parse_config: %s:", config_file);
exit(EXIT_FAILURE);
}
#ifdef POSIX_FADV_NOREUSE
posix_fadvise((long) dhcpd_config, 0, 0, POSIX_FADV_NOREUSE);
if (errno) {
eprintf("parse_config: fadvise:");
exit(EXIT_FAILURE);
}
#endif /* POSIX_FADV_NOREUSE */
#ifdef POSIX_FADV_SEQUENTIAL
posix_fadvise((long) dhcpd_config, 0, 0, POSIX_FADV_SEQUENTIAL);
if (errno) {
eprintf("parse_config: fadvise:");
exit(EXIT_FAILURE);
}
#endif /* POSIX_FADV_SEQUENTIAL */
/* Very hairy stuff begins. */
while (!feof(dhcpd_config)) {
c = fgetc(dhcpd_config);
/* Certain characters are magical */
switch (c) {
/* Handle comments if they are not quoted */
case '#':
if (quote == false) {
comment = true;
}
continue;
case '"':
if (comment == false) {
quote++;
/* Either one or zero */
quote = quote % 2;
}
continue;
case '\n':
/* New line resets comment section, but not if quoted */
if (quote == false) {
comment = false;
}
break;
case ';':
/* Quoted colon does not mean new clause */
if (quote == true) {
break;
}
if (comment == false && argument != 2
&& argument != 4) {
newclause = true;
i = 0;
} else if (argument == 2) {
/* Range ends to ; and this hair in code make two
* ranges wrote to gether like...
*
* range 10.20.30.40 10.20.30.41;range 10.20.30.42 10.20.30.43;
*
* ...to be interpreted correctly. */
c = ' ';
}
continue;
case '{':
if (quote == true) {
break;
}
if (comment == false) {
braces++;
}
/* i == 0 detects word that ends to brace like:
*
* shared-network DSL{ ... */
if (i == 0) {
newclause = true;
}
continue;
case '}':
if (quote == true) {
break;
}
if (comment == false) {
braces--;
/* End of shared-network */
if (braces_shared == braces) {
current_shared_name =
shared_net_names;
/* TODO: Using 1000 is lame, but works. */
braces_shared = 1000;
shared_p = shared_networks;
}
/* Not literally true, but works for this program */
newclause = true;
}
continue;
default:
break;
}
/* Either inside comment or Nth word of clause. */
if (comment == true
|| (newclause == false && argument == 0)) {
continue;
}
/* Strip white spaces before new clause word. */
if ((newclause == true || argument != 0) && isspace(c)
&& i == 0) {
continue;
}
/* Save to word which clause this is. */
if ((newclause == true || argument != 0)
&& (!isspace(c) || quote == true)) {
word[i] = c;
i++;
/* Long word which is almost causing overflow. Not any of words
* this program is looking for are this long. */
if (i > MAXLEN) {
newclause = false;
i = 0;
continue;
}
}
/* See if clause is something that parser is looking for. */
else if (newclause == true) {
/* Insert string end & set state */
word[i] = '\0';
newclause = false;
i = 0;
argument = is_interesting_config_clause(word);
}
/* words after range, shared-network or include */
else if (argument != 0) {
word[i] = '\0';
newclause = false;
i = 0;
switch (argument) {
case 0:
/* printf ("nothing interesting: %s\n", word); */
argument = 0;
break;
case 1:
/* printf ("shared-network named: %s\n", word); */
strcpy(next_free_shared_name, word);
shared_p =
shared_networks + num_shared_networks;
num_shared_networks++;
shared_p++;
shared_p->name = next_free_shared_name;
shared_p->available = 0;
shared_p->used = 0;
shared_p->touched = 0;
shared_p->backups = 0;
/* Temporary abuse of argument variable */
argument =
strlen(next_free_shared_name) + 1;
if (last_shared_name >
next_free_shared_name + argument) {
next_free_shared_name += argument;
} else {
/* TODO: make this go away by reallocationg more space. */
eprintf
("parse_config: End of shared-network space, increase SHARED_NETWORKS_NAMES and recompile");
exit(EXIT_FAILURE);
}
argument = 0;
braces_shared = braces;
break;
case 2:
/* printf ("range 2nd ip: %s\n", word); */
range_p = ranges + num_ranges;
inet_aton(word, &inp);
argument = 0;
range_p->last_ip = htonl(inp.s_addr) + 1;
range_p->count = 0;
range_p->touched = 0;
range_p->backups = 0;
range_p->shared_net = shared_p;
num_ranges++;
if (num_ranges > RANGES) {
eprintf
("parse_config: Range space full! Increase RANGES and recompile.");
exit(EXIT_FAILURE);
}
newclause = true;
break;
case 3:
/* printf ("range 1nd ip: %s\n", word); */
range_p = ranges + num_ranges;
inet_aton(word, &inp);
range_p->first_ip = htonl(inp.s_addr) - 1;
if (range_p->first_ip == UINT_MAX) {
/* word was not ip, try again */
break;
}
argument = 2;
break;
case 4:
/* printf ("include file: %s\n", word); */
argument = 0;
next_free_shared_name =
parse_config(false, word, current_shared_name,
next_free_shared_name,
shared_p);
newclause = true;
break;
default:
eprintf
("parse_config: This cannot happen, report a bug!");
exit(EXIT_FAILURE);
}
}
}
free(word);
return next_free_shared_name;
}

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/* Declarations for getopt.
Copyright (C) 1989-1994, 1996-1999, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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. */
#ifndef _GETOPT_H
#ifndef __need_getopt
# define _GETOPT_H 1
#endif
/* If __GNU_LIBRARY__ is not already defined, either we are being used
standalone, or this is the first header included in the source file.
If we are being used with glibc, we need to include <features.h>, but
that does not exist if we are standalone. So: if __GNU_LIBRARY__ is
not defined, include <ctype.h>, which will pull in <features.h> for us
if it's from glibc. (Why ctype.h? It's guaranteed to exist and it
doesn't flood the namespace with stuff the way some other headers do.) */
#if !defined __GNU_LIBRARY__
# include <ctype.h>
#endif
#ifdef __cplusplus
extern "C"
{
#endif
/* For communication from `getopt' to the caller.
When `getopt' finds an option that takes an argument,
the argument value is returned here.
Also, when `ordering' is RETURN_IN_ORDER,
each non-option ARGV-element is returned here. */
extern char *optarg;
/* Index in ARGV of the next element to be scanned.
This is used for communication to and from the caller
and for communication between successive calls to `getopt'.
On entry to `getopt', zero means this is the first call; initialize.
When `getopt' returns -1, this is the index of the first of the
non-option elements that the caller should itself scan.
Otherwise, `optind' communicates from one call to the next
how much of ARGV has been scanned so far. */
extern int optind;
/* Callers store zero here to inhibit the error message `getopt' prints
for unrecognized options. */
extern int opterr;
/* Set to an option character which was unrecognized. */
extern int optopt;
#ifndef __need_getopt
/* Describe the long-named options requested by the application.
The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
of `struct option' terminated by an element containing a name which is
zero.
The field `has_arg' is:
no_argument (or 0) if the option does not take an argument,
required_argument (or 1) if the option requires an argument,
optional_argument (or 2) if the option takes an optional argument.
If the field `flag' is not NULL, it points to a variable that is set
to the value given in the field `val' when the option is found, but
left unchanged if the option is not found.
To have a long-named option do something other than set an `int' to
a compiled-in constant, such as set a value from `optarg', set the
option's `flag' field to zero and its `val' field to a nonzero
value (the equivalent single-letter option character, if there is
one). For long options that have a zero `flag' field, `getopt'
returns the contents of the `val' field. */
struct option
{
# if (defined __STDC__ && __STDC__) || defined __cplusplus
const char *name;
# else
char *name;
# endif
/* has_arg can't be an enum because some compilers complain about
type mismatches in all the code that assumes it is an int. */
int has_arg;
int *flag;
int val;
};
/* Names for the values of the `has_arg' field of `struct option'. */
# define no_argument 0
# define required_argument 1
# define optional_argument 2
#endif /* need getopt */
/* Get definitions and prototypes for functions to process the
arguments in ARGV (ARGC of them, minus the program name) for
options given in OPTS.
Return the option character from OPTS just read. Return -1 when
there are no more options. For unrecognized options, or options
missing arguments, `optopt' is set to the option letter, and '?' is
returned.
The OPTS string is a list of characters which are recognized option
letters, optionally followed by colons, specifying that that letter
takes an argument, to be placed in `optarg'.
If a letter in OPTS is followed by two colons, its argument is
optional. This behavior is specific to the GNU `getopt'.
The argument `--' causes premature termination of argument
scanning, explicitly telling `getopt' that there are no more
options.
If OPTS begins with `--', then non-option arguments are treated as
arguments to the option '\0'. This behavior is specific to the GNU
`getopt'. */
#if (defined __STDC__ && __STDC__) || defined __cplusplus
# ifdef __GNU_LIBRARY__
/* Many other libraries have conflicting prototypes for getopt, with
differences in the consts, in stdlib.h. To avoid compilation
errors, only prototype getopt for the GNU C library. */
extern int getopt (int __argc, char *const *__argv,
const char *__shortopts);
# else /* not __GNU_LIBRARY__ */
extern int getopt ();
# endif /* __GNU_LIBRARY__ */
# ifndef __need_getopt
extern int getopt_long (int __argc, char *const *__argv,
const char *__shortopts,
const struct option *__longopts, int *__longind);
extern int getopt_long_only (int __argc, char *const *__argv,
const char *__shortopts,
const struct option *__longopts,
int *__longind);
/* Internal only. Users should not call this directly. */
extern int _getopt_internal (int __argc, char *const *__argv,
const char *__shortopts,
const struct option *__longopts,
int *__longind, int __long_only);
# endif
#else /* not __STDC__ */
extern int getopt ();
# ifndef __need_getopt
extern int getopt_long ();
extern int getopt_long_only ();
extern int _getopt_internal ();
# endif
#endif /* __STDC__ */
#ifdef __cplusplus
}
#endif
/* Make sure we later can get all the definitions and declarations. */
#undef __need_getopt
#endif /* getopt.h */

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/* getopt_long and getopt_long_only entry points for GNU getopt.
Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98
Free Software Foundation, Inc.
This file is part of the GNU C Library.
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. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "getopt.h"
#if !defined __STDC__ || !__STDC__
/* This is a separate conditional since some stdc systems
reject `defined (const)'. */
#ifndef const
#define const
#endif
#endif
#include <stdio.h>
/* Comment out all this code if we are using the GNU C Library, and are not
actually compiling the library itself. This code is part of the GNU C
Library, but also included in many other GNU distributions. Compiling
and linking in this code is a waste when using the GNU C library
(especially if it is a shared library). Rather than having every GNU
program understand `configure --with-gnu-libc' and omit the object files,
it is simpler to just do this in the source for each such file. */
#define GETOPT_INTERFACE_VERSION 2
#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
#include <gnu-versions.h>
#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
#define ELIDE_CODE
#endif
#endif
#ifndef ELIDE_CODE
/* This needs to come after some library #include
to get __GNU_LIBRARY__ defined. */
#ifdef __GNU_LIBRARY__
#include <stdlib.h>
#endif
#ifndef NULL
#define NULL 0
#endif
int getopt_long(argc, argv, options, long_options, opt_index)
int argc;
char *const *argv;
const char *options;
const struct option *long_options;
int *opt_index;
{
return _getopt_internal(argc, argv, options, long_options,
opt_index, 0);
}
/* Like getopt_long, but '-' as well as '--' can indicate a long option.
If an option that starts with '-' (not '--') doesn't match a long option,
but does match a short option, it is parsed as a short option
instead. */
int getopt_long_only(argc, argv, options, long_options, opt_index)
int argc;
char *const *argv;
const char *options;
const struct option *long_options;
int *opt_index;
{
return _getopt_internal(argc, argv, options, long_options,
opt_index, 1);
}
#endif /* Not ELIDE_CODE. */
#ifdef TEST
#include <stdio.h>
int main(argc, argv)
int argc;
char **argv;
{
int c;
int digit_optind = 0;
while (1) {
int this_option_optind = optind ? optind : 1;
int option_index = 0;
static struct option long_options[] = {
{"add", 1, 0, 0},
{"append", 0, 0, 0},
{"delete", 1, 0, 0},
{"verbose", 0, 0, 0},
{"create", 0, 0, 0},
{"file", 1, 0, 0},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, "abc:d:0123456789",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 0:
printf("option %s",
long_options[option_index].name);
if (optarg)
printf(" with arg %s", optarg);
printf("\n");
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if (digit_optind != 0
&& digit_optind != this_option_optind)
printf
("digits occur in two different argv-elements.\n");
digit_optind = this_option_optind;
printf("option %c\n", c);
break;
case 'a':
printf("option a\n");
break;
case 'b':
printf("option b\n");
break;
case 'c':
printf("option c with value `%s'\n", optarg);
break;
case 'd':
printf("option d with value `%s'\n", optarg);
break;
case '?':
break;
default:
printf
("?? getopt returned character code 0%o ??\n",
c);
}
}
if (optind < argc) {
printf("non-option ARGV-elements: ");
while (optind < argc)
printf("%s ", argv[optind++]);
printf("\n");
}
exit(0);
}
#endif /* TEST */

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/*
** Copyright (C) 2006- Sami Kerola <kerolasa@iki.fi>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "dhcpd-pools.h"
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#else /* Not STDC_HEADERS */
extern void exit();
extern char *malloc();
#endif /* STDC_HEADERS */
#include <errno.h>
#include <stdarg.h>
#ifdef HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
/* Simple memory allocation wrapper */
void *safe_malloc(size_t size)
{
void *ret = malloc(size);
if (ret == NULL) {
eprintf("safe_malloc: malloc: ");
exit(EXIT_FAILURE);
}
return ret;
}
/* Copyright (C) 1999 Lucent Technologies
* Excerpted from 'The Practice of Programming'
* by Brian W. Kernighan and Rob Pike
* slight modifications by Sami Kerola.
* eprintf: print error message and exit */
void eprintf(char *fmt, ...)
{
va_list args;
fflush(stdout);
fprintf(stderr, "%s: ", program_name);
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
if (fmt[0] != '\0' && fmt[strlen(fmt) - 1] == ':')
fprintf(stderr, " %s", strerror(errno));
/* Should be safe, after all dhcpd-pools has only one
* thread. */
errno = 0;
fprintf(stderr, "\n");
fflush(stderr);
}
void flip_ranges(struct range_t *ranges, struct range_t *tmp_ranges)
{
unsigned int i = num_ranges - 1, j;
for (j = 0; j < num_ranges; j++) {
*(tmp_ranges + j) = *(ranges + i);
i--;
}
memcpy(ranges, tmp_ranges, num_ranges * sizeof(struct range_t));
}
/* Free memory, flush buffers etc */
void clean_up(void)
{
int ret;
if (errno) {
eprintf
("clean_up: errno (%d) set but not checked in correct place; if this is repeatable send strace output as a bug report:",
errno);
}
/* Just in case there something in buffers */
ret = fflush(stdout);
if (errno || ret) {
eprintf("clean_up: stdout:");
}
ret = fflush(stderr);
if (errno || ret) {
eprintf("clean_up: stderr:");
}
free(config.dhcpdconf_file);
free(config.dhcpdlease_file);
free(config.output_file);
free(ranges);
free(shared_net_names);
free(shared_networks);
}
void print_version(void)
{
fprintf(stdout, "%s\n", PACKAGE_STRING);
fprintf(stdout,
"Written by Sami Kerola.\nXML support by Dominic Germain, Sogetel inc.\n\n");
fprintf(stdout,
"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n");
fprintf(stdout,
"This is free software: you are free to change and redistribute it.\n");
fprintf(stdout,
"There is NO WARRANTY, to the extent permitted by law.\n");
}
void usage(int status)
{
FILE *out;
out = status != 0 ? stderr : stdout;
fprintf(out, "\
Usage: %s [OPTIONS]\n", program_name);
fprintf(out, "\
This is ISC dhcpd pools usage analyzer.\n\
\n");
fprintf(out, "\
-c --config file path to the dhcpd.conf file\n\
-l --leases file path to the dhcpd.leases file\n\
-f --format [thcxX] output format\n");
fprintf(out, "\
t for text\n\
h for html table\n\
H for full html page\n\
x for xml\n\
X for xml with active lease details\n\
c for comma separated values\n");
/* TODO
s for snmp\n");
*/
fprintf(out, "\
-s --sort [nimcptTe] sort ranges by\n\
n name\n\
i IP\n\
m maxium\n\
c current\n\
p percent\n\
t touched\n\
T t+c\n\
e t+c perc\n");
fprintf(out, "\
-r --reverse reverse order sort\n\
-o --output file output into a file\n\
-L --limit nr output limit mask 77 - 00\n\
-v --version version information\n\
-h --help this screen\n\
\n\
Report bugs to <%s>\n\
Homepage: %s\n", PACKAGE_BUGREPORT, PACKAGE_URL);
exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
}

777
src/output.c Normal file
View file

@ -0,0 +1,777 @@
/*
** Copyright (C) 2006- Sami Kerola <kerolasa@iki.fi>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "dhcpd-pools.h"
int output_txt(void)
{
unsigned int i;
struct in_addr first, last;
struct range_t *range_p;
struct shared_network_t *shared_p;
int ret;
FILE *outfile;
if (config.output_file[0]) {
outfile = fopen(config.output_file, "w+");
if (outfile == NULL) {
eprintf("output_txt: %s:", config.output_file);
exit(EXIT_FAILURE);
}
} else {
outfile = stdout;
}
range_p = ranges;
shared_p = shared_networks;
if (config.output_limit[0] & output_limit_bit_1) {
fprintf(outfile, "Ranges:\n");
fprintf
(outfile,
"shared net name first ip last ip max cur percent touch t+c t+c perc");
if (num_backups > 0) {
fprintf(outfile, " bu bu perc");
}
fprintf(outfile, "\n");
}
if (config.output_limit[1] & output_limit_bit_1) {
for (i = 0; i < num_ranges; i++) {
first.s_addr = ntohl(range_p->first_ip + 1);
last.s_addr = ntohl(range_p->last_ip - 1);
if (range_p->shared_net) {
fprintf(outfile, "%-20s",
range_p->shared_net->name);
} else {
fprintf(outfile, "not_defined ");
}
fprintf(outfile, "%-16s", inet_ntoa(first));
fprintf(outfile,
" - %-16s %5lu %5lu %10.3f %5lu %5lu %9.3f",
inet_ntoa(last),
range_p->last_ip - range_p->first_ip - 1,
range_p->count,
(float) (100 * range_p->count) /
(range_p->last_ip - range_p->first_ip - 1),
range_p->touched,
range_p->touched + range_p->count,
(float) (100 *
(range_p->touched +
range_p->count)) /
(range_p->last_ip - range_p->first_ip -
1));
if (num_backups > 0) {
fprintf(outfile, "%7lu %8.3f",
range_p->backups,
(float) (100 * range_p->backups) /
(range_p->last_ip -
range_p->first_ip - 1));
}
fprintf(outfile, "\n");
range_p++;
}
}
if (config.output_limit[1] & output_limit_bit_1
&& config.output_limit[0] & output_limit_bit_2) {
fprintf(outfile, "\n");
}
if (config.output_limit[0] & output_limit_bit_2) {
fprintf(outfile, "Shared networks:\n");
fprintf(outfile,
"name max cur percent touch t+c t+c perc");
if (num_backups > 0) {
fprintf(outfile, " bu bu perc");
}
fprintf(outfile, "\n");
}
if (config.output_limit[1] & output_limit_bit_2) {
for (i = 0; i < num_shared_networks; i++) {
shared_p++;
fprintf(outfile,
"%-20s %5lu %5lu %10.3f %7lu %6lu %9.3f",
shared_p->name, shared_p->available,
shared_p->used,
(float) (100 * shared_p->used) /
shared_p->available, shared_p->touched,
shared_p->touched + shared_p->used,
(float) (100 *
(shared_p->touched +
shared_p->used)) /
shared_p->available);
if (num_backups > 0) {
fprintf(outfile, "%7lu %8.3f",
shared_p->backups,
(float) (100 * shared_p->backups) /
shared_p->available);
}
fprintf(outfile, "\n");
}
}
if (config.output_limit[1] & output_limit_bit_2
&& config.output_limit[0] & output_limit_bit_3) {
fprintf(outfile, "\n");
}
if (config.output_limit[0] & output_limit_bit_3) {
fprintf(outfile, "Sum of all ranges:\n");
fprintf(outfile,
"name max cur percent touch t+c t+c perc");
if (num_backups > 0) {
fprintf(outfile, " bu bu perc");
}
fprintf(outfile, "\n");
}
if (config.output_limit[1] & output_limit_bit_3) {
fprintf(outfile, "%-20s %5lu %5lu %10.3f %7lu %6lu %9.3f",
shared_networks->name,
shared_networks->available,
shared_networks->used,
(float) (100 * shared_networks->used) /
shared_networks->available,
shared_networks->touched,
shared_networks->touched + shared_networks->used,
(float) (100 *
(shared_networks->touched +
shared_networks->used)) /
shared_networks->available);
if (num_backups > 0) {
fprintf(outfile, "%7lu %8.3f",
shared_networks->backups,
(float) (100 * shared_networks->backups) /
shared_networks->available);
}
fprintf(outfile, "\n");
}
if (outfile == stdout) {
ret = fflush(stdout);
if (ret) {
eprintf("output_txt: fflush:");
}
} else {
ret = fclose(outfile);
if (ret) {
eprintf("output_txt: fclose:");
}
}
return 0;
}
int output_xml(void)
{
unsigned int i;
struct in_addr first, last;
struct range_t *range_p;
struct shared_network_t *shared_p;
int ret;
FILE *outfile;
if (config.output_file[0]) {
outfile = fopen(config.output_file, "w+");
if (outfile == NULL) {
eprintf("output_xml: %s:", config.output_file);
exit(EXIT_FAILURE);
}
} else {
outfile = stdout;
}
range_p = ranges;
shared_p = shared_networks;
if (config.output_limit[1] & output_limit_bit_1) {
for (i = 0; i < num_ranges; i++) {
first.s_addr = ntohl(range_p->first_ip + 1);
last.s_addr = ntohl(range_p->last_ip - 1);
fprintf(outfile, "<subnet>\n");
if (range_p->shared_net) {
fprintf(outfile,
"\t<location>%s</location>\n",
range_p->shared_net->name);
} else {
fprintf(outfile,
"\t<location></location>\n");
}
fprintf(outfile, "\t<network></network>\n");
fprintf(outfile, "\t<netmask></netmask>\n");
fprintf(outfile, "\t<range>%s ", inet_ntoa(first));
fprintf(outfile, "- %s</range>\n",
inet_ntoa(last));
fprintf(outfile, "\t<gateway></gateway>\n");
fprintf(outfile, "\t<defined>%lu</defined>\n",
range_p->last_ip - range_p->first_ip - 1);
fprintf(outfile, "\t<used>%lu</used>\n",
range_p->count);
fprintf(outfile, "\t<free>%lu</free>\n",
range_p->last_ip - range_p->first_ip - 1 -
range_p->count);
range_p++;
fprintf(outfile, "</subnet>\n");
}
}
if (config.output_limit[1] & output_limit_bit_2) {
for (i = 0; i < num_shared_networks; i++) {
shared_p++;
fprintf(outfile, "<shared-network>\n");
fprintf(outfile, "\t<location>%s</location>\n",
shared_p->name);
fprintf(outfile, "\t<defined>%lu</defined>\n",
shared_p->available);
fprintf(outfile, "\t<used>%lu</used>\n",
shared_p->used);
fprintf(outfile, "\t<free>%lu</free>\n",
shared_p->available - shared_p->used);
fprintf(outfile, "</shared-network>\n");
}
}
if (config.output_limit[0] & output_limit_bit_3) {
fprintf(outfile, "<summary>\n");
fprintf(outfile, "\t<location>%s</location>\n",
shared_networks->name);
fprintf(outfile, "\t<defined>%lu</defined>\n",
shared_networks->available);
fprintf(outfile, "\t<used>%lu</used>\n",
shared_networks->used);
fprintf(outfile, "\t<free>%lu</free>\n",
shared_networks->available -
shared_networks->used);
fprintf(outfile, "</summary>\n");
}
if (outfile == stdout) {
ret = fflush(stdout);
if (ret) {
eprintf("output_xml: fflush:");
}
} else {
ret = fclose(outfile);
if (ret) {
eprintf("output_xml: fclose:");
}
}
return 0;
}
void html_header(FILE * f)
{
fprintf(f,
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \n");
fprintf(f, " \"http://www.w3.org/TR/html4/strict.dtd\">\n");
fprintf(f, "<html>\n");
fprintf(f, "<head>\n");
fprintf(f, "<meta http-equiv=\"Content-Type\" ");
fprintf(f, "content=\"text/html; charset=iso-8859-1\">\n");
fprintf(f, " <title>ISC dhcpd stats</title>\n");
fprintf(f, " <style TYPE=\"text/css\">\n");
fprintf(f, " <!--\n");
fprintf(f, " table.dhcpd-pools {\n");
fprintf(f, " color: black;\n");
fprintf(f, " vertical-align: middle;\n");
fprintf(f, " text-align: center;\n");
fprintf(f, " }\n");
fprintf(f, " table.dhcpd-pools th.section {\n");
fprintf(f, " color: black;\n");
fprintf(f, " font-size: large;\n");
fprintf(f, " vertical-align: middle;\n");
fprintf(f, " text-align: left;\n");
fprintf(f, " }\n");
fprintf(f, " table.dhcpd-pools th.calign {\n");
fprintf(f, " color: black;\n");
fprintf(f, " vertical-align: middle;\n");
fprintf(f, " text-align: center;\n");
fprintf(f, " text-decoration: underline;\n");
fprintf(f, " }\n");
fprintf(f, " table.dhcpd-pools th.ralign {\n");
fprintf(f, " color: black;\n");
fprintf(f, " vertical-align: middle;\n");
fprintf(f, " text-align: right;\n");
fprintf(f, " text-decoration: underline;\n");
fprintf(f, " }\n");
fprintf(f, " table.dhcpd-pools td.calign {\n");
fprintf(f, " color: black;\n");
fprintf(f, " vertical-align: middle;\n");
fprintf(f, " text-align: center;\n");
fprintf(f, " }\n");
fprintf(f, " table.dhcpd-pools td.ralign {\n");
fprintf(f, " color: black;\n");
fprintf(f, " vertical-align: middle;\n");
fprintf(f, " text-align: right;\n");
fprintf(f, " }\n");
fprintf(f, " p.created {\n");
fprintf(f, " font-size: small;\n");
fprintf(f, " color: grey;\n");
fprintf(f, " }\n");
fprintf(f, " p.updated {\n");
fprintf(f, " font-size: small;\n");
fprintf(f, " color: grey;\n");
fprintf(f, " font-style: italic;\n");
fprintf(f, " }\n");
fprintf(f, " -->\n");
fprintf(f, " </style>\n");
fprintf(f, "</head>\n");
fprintf(f, "<body>\n");
}
void html_footer(FILE * f)
{
fprintf(f, "<p><br></p>\n");
fprintf(f, "<hr>\n");
fprintf(f, "<p class=created>\nData generated by ");
fprintf(f, "<a href=\"%s\">", PACKAGE_URL);
fprintf(f, "dhcpd-pools</a>.\n</p>\n");
fprintf(f, "<p class=updated>\n");
fprintf(f, "<script type=\"text/javascript\">\n");
fprintf(f, " document.write(\"Last Updated On \" + ");
fprintf(f, "document.lastModified + \".\")\n");
fprintf(f, "</script>\n<br>\n</p>\n");
fprintf(f, "</body>\n");
fprintf(f, "</html>\n");
}
void newrow(FILE * f)
{
fprintf(f, "<tr>\n");
}
void endrow(FILE * f)
{
fprintf(f, "</tr>\n\n");
}
void output_line(FILE * f, char *type, char *class, char *text)
{
fprintf(f, " <%s class=%s>%s</%s>\n", type, class, text, type);
}
void output_long(FILE * f, char *type, unsigned long unlong)
{
fprintf(f, " <%s class=ralign>%lu</%s>\n", type, unlong, type);
}
void output_float(FILE * f, char *type, float fl)
{
fprintf(f, " <%s class=ralign>%.3f</%s>\n", type, fl, type);
}
void table_start(FILE * f)
{
fprintf(f, "<table width=\"75%%\" ");
fprintf(f, "class=\"dhcpd-pools\" ");
fprintf(f, "summary=\"ISC dhcpd pool usage report\">\n");
}
void table_end(FILE * f)
{
fprintf(f, "</table>\n");
}
void newsection(FILE * f, char *title)
{
newrow(f);
output_line(f, "td", "calign", "&nbsp;");
endrow(f);
newrow(f);
output_line(f, "th", "section", title);
endrow(f);
}
int output_html(void)
{
unsigned int i;
struct in_addr first, last;
struct range_t *range_p;
struct shared_network_t *shared_p;
int ret;
FILE *outfile;
if (config.output_file[0]) {
outfile = fopen(config.output_file, "w+");
if (outfile == NULL) {
eprintf("output_html: %s:", config.output_file);
exit(EXIT_FAILURE);
}
} else {
outfile = stdout;
}
range_p = ranges;
shared_p = shared_networks;
if (fullhtml) {
html_header(outfile);
}
table_start(outfile);
if (config.output_limit[0] & output_limit_bit_1) {
newsection(outfile, "Ranges:");
newrow(outfile);
output_line(outfile, "th", "calign", "shared net name");
output_line(outfile, "th", "calign", "first ip");
output_line(outfile, "th", "calign", "last ip");
output_line(outfile, "th", "ralign", "max");
output_line(outfile, "th", "ralign", "cur");
output_line(outfile, "th", "ralign", "percent");
output_line(outfile, "th", "ralign", "touch");
output_line(outfile, "th", "ralign", "t+c");
output_line(outfile, "th", "ralign", "t+c perc");
if (num_backups > 0) {
output_line(outfile, "th", "ralign", "bu");
output_line(outfile, "th", "ralign", "bu perc");
}
endrow(outfile);
}
if (config.output_limit[1] & output_limit_bit_1) {
for (i = 0; i < num_ranges; i++) {
first.s_addr = ntohl(range_p->first_ip + 1);
last.s_addr = ntohl(range_p->last_ip - 1);
newrow(outfile);
if (range_p->shared_net) {
output_line(outfile, "td", "calign",
range_p->shared_net->name);
} else {
output_line(outfile, "td", "calign",
"not_defined");
}
output_line(outfile, "td", "calign",
inet_ntoa(first));
output_line(outfile, "td", "calign",
inet_ntoa(last));
output_long(outfile, "td",
range_p->last_ip - range_p->first_ip -
1);
output_long(outfile, "td", range_p->count);
output_float(outfile, "td",
(float) (100 * range_p->count) /
(range_p->last_ip -
range_p->first_ip - 1));
output_long(outfile, "td", range_p->touched);
output_long(outfile, "td",
range_p->touched + range_p->count);
output_float(outfile, "td",
(float) (100 *
(range_p->touched +
range_p->count)) /
(range_p->last_ip -
range_p->first_ip - 1));
if (num_backups > 0) {
output_long(outfile, "td",
range_p->backups);
output_float(outfile, "td",
(float) (100 *
range_p->backups) /
(range_p->last_ip -
range_p->first_ip - 1));
}
endrow(outfile);
range_p++;
}
}
table_end(outfile);
table_start(outfile);
if (config.output_limit[0] & output_limit_bit_2) {
newsection(outfile, "Shared networks:");
newrow(outfile);
output_line(outfile, "th", "calign", "name");
output_line(outfile, "th", "ralign", "max");
output_line(outfile, "th", "ralign", "cur");
output_line(outfile, "th", "ralign", "percent");
output_line(outfile, "th", "ralign", "touch");
output_line(outfile, "th", "ralign", "t+c");
output_line(outfile, "th", "ralign", "t+c perc");
if (num_backups > 0) {
output_line(outfile, "th", "ralign", "bu");
output_line(outfile, "th", "ralign", "bu perc");
}
endrow(outfile);
}
if (config.output_limit[1] & output_limit_bit_2) {
for (i = 0; i < num_shared_networks; i++) {
shared_p++;
newrow(outfile);
output_line(outfile, "td", "calign",
shared_p->name);
output_long(outfile, "td", shared_p->available);
output_long(outfile, "td", shared_p->used);
output_float(outfile, "td",
(float) (100 * shared_p->used) /
shared_p->available);
output_long(outfile, "td", shared_p->touched);
output_long(outfile, "td",
shared_p->touched + shared_p->used);
output_float(outfile, "td",
(float) (100 *
(shared_p->touched +
shared_p->used)) /
shared_p->available);
if (num_backups > 0) {
output_long(outfile, "td",
shared_p->backups);
output_float(outfile, "td",
(float) (100 *
shared_p->backups) /
shared_p->available);
}
endrow(outfile);
}
}
if (config.output_limit[0] & output_limit_bit_3) {
newsection(outfile, "Sum of all ranges:");
newrow(outfile);
output_line(outfile, "th", "calign", "name");
output_line(outfile, "th", "ralign", "max");
output_line(outfile, "th", "ralign", "cur");
output_line(outfile, "th", "ralign", "percent");
output_line(outfile, "th", "ralign", "touch");
output_line(outfile, "th", "ralign", "t+c");
output_line(outfile, "th", "ralign", "t+c perc");
if (num_backups > 0) {
output_line(outfile, "th", "ralign", "bu");
output_line(outfile, "th", "ralign", "bu perc");
}
endrow(outfile);
}
if (config.output_limit[1] & output_limit_bit_3) {
newrow(outfile);
output_line(outfile, "td", "calign",
shared_networks->name);
output_long(outfile, "td", shared_networks->available);
output_long(outfile, "td", shared_networks->used);
output_float(outfile, "td",
(float) (100 * shared_networks->used) /
shared_networks->available);
output_long(outfile, "td", shared_networks->touched);
output_long(outfile, "td",
shared_networks->touched +
shared_networks->used);
output_float(outfile, "td",
(float) (100 *
(shared_networks->touched +
shared_networks->used)) /
shared_networks->available);
if (num_backups > 0) {
output_long(outfile, "td",
shared_networks->backups);
output_float(outfile, "td",
(float) (100 *
shared_networks->backups) /
shared_networks->available);
}
endrow(outfile);
}
table_end(outfile);
if (fullhtml) {
html_footer(outfile);
}
if (outfile == stdout) {
ret = fflush(stdout);
if (ret) {
eprintf("output_html: fflush:");
}
} else {
ret = fclose(outfile);
if (ret) {
eprintf("output_html: fclose:");
}
}
return 0;
}
int output_csv(void)
{
unsigned int i;
struct in_addr first, last;
struct range_t *range_p;
struct shared_network_t *shared_p;
FILE *outfile;
int ret;
if (config.output_file[0]) {
outfile = fopen(config.output_file, "w+");
if (outfile == NULL) {
eprintf("output_csv: %s:", config.output_file);
exit(EXIT_FAILURE);
}
} else {
outfile = stdout;
}
range_p = ranges;
shared_p = shared_networks;
if (config.output_limit[0] & output_limit_bit_1) {
fprintf(outfile, "\"Ranges:\"\n");
fprintf
(outfile,
"\"shared net name\",\"first ip\",\"last ip\",\"max\",\"cur\",\"percent\",\"touch\",\"t+c\",\"t+c perc\"");
if (num_backups > 0) {
fprintf(outfile, ",\"bu\",\"bu perc\"");
}
fprintf(outfile, "\n");
}
if (config.output_limit[1] & output_limit_bit_1) {
for (i = 0; i < num_ranges; i++) {
first.s_addr = ntohl(range_p->first_ip + 1);
last.s_addr = ntohl(range_p->last_ip - 1);
if (range_p->shared_net) {
fprintf(outfile, "\"%s\",",
range_p->shared_net->name);
} else {
fprintf(outfile, "\"not_defined\",");
}
fprintf(outfile, "\"%s\",", inet_ntoa(first));
fprintf(outfile,
"\"%s\",\"%lu\",\"%lu\",\"%.3f\",\"%lu\",\"%lu\",\"%.3f\"",
inet_ntoa(last),
range_p->last_ip - range_p->first_ip - 1,
range_p->count,
(float) (100 * range_p->count) /
(range_p->last_ip - range_p->first_ip - 1),
range_p->touched,
range_p->touched + range_p->count,
(float) (100 *
(range_p->touched +
range_p->count)) /
(range_p->last_ip - range_p->first_ip -
1));
if (num_backups > 0) {
fprintf(outfile, ",\"%lu\",\"%.3f\"",
range_p->backups,
(float) (100 * range_p->backups) /
(range_p->last_ip -
range_p->first_ip - 1));
}
fprintf(outfile, "\n");
range_p++;
}
fprintf(outfile, "\n");
}
if (config.output_limit[0] & output_limit_bit_2) {
fprintf(outfile, "\"Shared networks:\"\n");
fprintf(outfile,
"\"name\",\"max\",\"cur\",\"percent\",\"touch\",\"t+c\",\"t+c perc\"");
if (num_backups > 0) {
fprintf(outfile, ",\"bu\",\"bu perc\"");
}
fprintf(outfile, "\n");
}
if (config.output_limit[1] & output_limit_bit_2) {
for (i = 0; i < num_shared_networks; i++) {
shared_p++;
fprintf(outfile,
"\"%s\",\"%lu\",\"%lu\",\"%.3f\",\"%lu\",\"%lu\",\"%.3f\"",
shared_p->name, shared_p->available,
shared_p->used,
(float) (100 * shared_p->used) /
shared_p->available, shared_p->touched,
shared_p->touched + shared_p->used,
(float) (100 *
(shared_p->touched +
shared_p->used)) /
shared_p->available);
if (num_backups > 0) {
fprintf(outfile, ",\"%lu\",\"%.3f\"",
shared_p->backups,
(float) (100 * shared_p->backups) /
shared_p->available);
}
fprintf(outfile, "\n");
}
fprintf(outfile, "\n");
}
if (config.output_limit[0] & output_limit_bit_3) {
fprintf(outfile, "\"Sum of all ranges:\"\n");
fprintf(outfile,
"\"name\",\"max\",\"cur\",\"percent\",\"touch\",\"t+c\",\"t+c perc\"");
if (num_backups > 0) {
fprintf(outfile, ",\"bu\",\"bu perc\"");
}
fprintf(outfile, "\n");
}
if (config.output_limit[1] & output_limit_bit_3) {
fprintf(outfile,
"\"%s\",\"%lu\",\"%lu\",\"%.3f\",\"%lu\",\"%lu\",\"%.3f\"",
shared_networks->name, shared_networks->available,
shared_networks->used,
(float) (100 * shared_networks->used) /
shared_networks->available,
shared_networks->touched,
shared_networks->touched + shared_networks->used,
(float) (100 *
(shared_networks->touched +
shared_networks->used)) /
shared_networks->available);
if (num_backups > 0) {
fprintf(outfile, "%7lu %8.3f",
shared_networks->backups,
(float) (100 * shared_networks->backups) /
shared_networks->available);
}
fprintf(outfile, "\n");
}
if (outfile == stdout) {
ret = fflush(stdout);
if (ret) {
eprintf("output_cvs: fflush:");
}
} else {
ret = fclose(outfile);
if (ret) {
eprintf("output_cvs: fclose:");
}
}
return 0;
}

213
src/sort.c Normal file
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@ -0,0 +1,213 @@
/*
** Copyright (C) 2006- Sami Kerola <kerolasa@iki.fi>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "dhcpd-pools.h"
#include "defaults.h"
/* Sort functions for range sorting */
int intcomp(const void *x, const void *y)
{
if (*(unsigned long int *) x < *(unsigned long int *) y)
return -1;
else if (*(unsigned long int *) y < *(unsigned long int *) x)
return 1;
else
return 0;
}
int rangecomp(const void *r1, const void *r2)
{
if ((((struct range_t *) r1)->first_ip) <
(((struct range_t *) r2)->first_ip))
return -1;
else if ((((struct range_t *) r2)->first_ip) <
(((struct range_t *) r1)->first_ip))
return 1;
else
return 0;
}
unsigned long int ret_ip(struct range_t r)
{
return (r.first_ip);
}
unsigned long int ret_cur(struct range_t r)
{
return (r.count);
}
unsigned long int ret_max(struct range_t r)
{
return (r.last_ip - r.first_ip);
}
unsigned long int ret_percent(struct range_t r)
{
float f;
f = (float) r.count / (r.last_ip - r.first_ip - 1);
return ((unsigned long int) (f * 100000));
}
unsigned long int ret_touched(struct range_t r)
{
return (r.touched);
}
unsigned long int ret_tc(struct range_t r)
{
return (r.count + r.touched);
}
unsigned long int ret_tcperc(struct range_t r)
{
float f;
f = (float) (r.count + r.touched) / (r.last_ip - r.first_ip - 1);
return ((unsigned long int) (f * 10000));
}
void field_selector(char c)
{
switch (c) {
case 'n':
break;
case 'i':
returner = ret_ip;
break;
case 'm':
returner = ret_max;
break;
case 'c':
returner = ret_cur;
break;
case 'p':
returner = ret_percent;
break;
case 't':
returner = ret_touched;
break;
case 'T':
returner = ret_tc;
break;
case 'e':
returner = ret_tcperc;
break;
default:
eprintf("field_selector: unknown sort order: %c",
config.sort[0]);
usage(EXIT_FAILURE);
}
}
/* Needed to support multiple key sorting. */
int get_order(struct range_t *left, struct range_t *right)
{
int i, len, ret;
unsigned long int lint, rint;
len = strlen(config.sort);
for (i = 0; i < len; i++) {
/* Handling strings is case of it's own */
if (config.sort[i] == 'n') {
ret =
strcmp(left->shared_net->name,
right->shared_net->name);
if (ret > 0) {
return (0);
} else if (ret < 0) {
return (1);
} else {
continue;
}
}
/* Select which function is pointed by returner */
field_selector(config.sort[i]);
lint = returner(*left);
rint = returner(*right);
/* If fields are equal use next sort method */
if (lint == rint) {
continue;
}
if (lint < rint) {
return (1);
}
return (0);
}
/* If all returners where equal */
return (0);
}
void mergesort_ranges(struct range_t *orig, int size, struct range_t *temp)
{
int left, right, i;
struct range_t hold;
if (size < MIN_MERGE_SIZE) {
for (left = 0; left < size; left++) {
hold = *(orig + left);
for (right = left - 1; right >= 0; right--) {
if (get_order((orig + right), &hold)) {
break;
}
*(orig + right + 1) = *(orig + right);
}
*(orig + right + 1) = hold;
}
return;
}
mergesort_ranges(orig, size / 2, temp);
mergesort_ranges(orig + size / 2, size - size / 2, temp);
left = 0;
right = size / 2;
i = 0;
while (left < size / 2 && right < size) {
if (get_order((orig + left), (orig + right))) {
*(temp + i) = *(orig + left);
left++;
} else {
*(temp + i) = *(orig + right);
right++;
}
i++;
}
while (left < size / 2) {
*(temp + i) = *(orig + left);
left++;
i++;
}
while (right < size) {
*(temp + i) = *(orig + right);
right++;
i++;
}
memcpy(orig, temp, size * sizeof(struct range_t));
}