diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..d159169 --- /dev/null +++ b/LICENSE @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Lesser General Public License instead.) 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The Free Software Foundation may publish revised and/or new versions +of the General Public License from time to time. Such new versions will +be similar in spirit to the present version, but may differ in detail to +address new problems or concerns. + +Each version is given a distinguishing version number. If the Program +specifies a version number of this License which applies to it and "any +later version", you have the option of following the terms and conditions +either of that version or of any later version published by the Free +Software Foundation. If the Program does not specify a version number of +this License, you may choose any version ever published by the Free Software +Foundation. + + 10. If you wish to incorporate parts of the Program into other free +programs whose distribution conditions are different, write to the author +to ask for permission. For software which is copyrighted by the Free +Software Foundation, write to the Free Software Foundation; we sometimes +make exceptions for this. Our decision will be guided by the two goals +of preserving the free status of all derivatives of our free software and +of promoting the sharing and reuse of software generally. + + NO WARRANTY + + 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY +FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN +OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES +PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED +OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS +TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE +PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, +REPAIR OR CORRECTION. + + 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR +REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, +INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING +OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED +TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY +YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER +PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE +POSSIBILITY OF SUCH DAMAGES. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + 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., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/README.md b/README.md new file mode 100644 index 0000000..7ac22ba --- /dev/null +++ b/README.md @@ -0,0 +1,51 @@ +# Template App IPFire by Zabbix Agent Active + +## Overview + +For Zabbix version: 5.0 +This template-set monitors an IPFire appliance/instance and supports monitoring of: +- IPFire general stats (Available entropy, state of RNG) +- IPFire services (default IPFire services and possible Addon services) +- Pakfire status (Installed version, Available update(s)) +- Network stats (Line quality, Open Connections, Firewall hits) +Use in conjunction with a default Template OS Linux-template for CPU/Memory/Storage monitoring of the IPFire appliance/instance. +Also an extra Zabbix agent userparameter is included to support `vfs.dev.discovery` on Zabbix agent <4.4 as IPFire currently ships with Zabbix agent v4.2. Install this userparameter to enable the Template Module Linux block devices-template included with Zabbix Server 4.4+ to monitor block device performance. + +This template was tested on: + +- IPFire 2.25 - Core update 150, but should work on earlier versions + +## Setup + +- Install IPFire addon `zabbix_agentd` using Pakfire +- Remove `userparameter_pakfire.conf` from the folder with Zabbix agent configuration, if it exists. +- Copy + - `template_app_pakfire.conf` + - `template_module_ipfire_network_stats.conf` + - `template_module_ipfire_services.conf` + - optional: `template_module_linux_block_devices.conf` - if Zabbix agent version is <4.4 but you use Template OS Linux from Zabbix Server 4.4+. + into the folder with Zabbix agent configuration (`/etc/zabbix_agentd/zabbix_agentd.d/` by default on IPFire) +- Copy `ipfire_services.pl` into the folder with Zabbix agent scripts (`/etc/zabbix_agentd/zabbix_agentd.d` by default on IPFire) and make it executable for user `zabbix`. +- Copy `zabbix` into the folder with sudoers configuration (`/etc/sudoers.d`) to allow Zabbix agent to run pakfire status, addonctrl and iptables as root user. +- Restart Zabbix agent. + +## Zabbix configuration + +No specific Zabbix configuration is required + +### Macros used +|Name|Description|Default| +|----|-----------|-------| +|{$IPFIRE.SERVICE.TRIGGER} |

Whether Zabbix needs to trigger when an IPFire service is down. This variable can be used with context to exclude specific services.

|`1` | + +This template does not 'detect' if you have manually disabled a service in IPFire, so by default it will alarm you when any service is down. This is done on purpose so that you will also be notified if a service is unintentionly disabled. +To disable the trigger for a specific service (because it is disabled or you just don't want notifications about that service) add a host macro `{$IPFIRE.SERVICE.TRIGGER:""}` to the IPFire host and set it to `0`. For example to disable the OpenVPN service trigger add `{$IPFIRE.SERVICE.TRIGGER:"openvpn"}` to the host. Check the discovered IPFire service item-keys for the correct service-name of each service. + +## Credits + +[Alexander Koch](https://community.ipfire.org/t/looking-for-the-zabbix-agent-template/1459/2) for the app Pakfire template. +[IPFire Team](https://www.ipfire.org) for the IPFire services.cgi script which is used as a base for the ipfire_services.pl script included here. + +## Feedback + +Please report any issues with the template at https://github.com/RobinR1/zbx-template-ipfire/issues \ No newline at end of file diff --git a/scripts/ipfire_services.pl b/scripts/ipfire_services.pl new file mode 100755 index 0000000..315d78e --- /dev/null +++ b/scripts/ipfire_services.pl @@ -0,0 +1,197 @@ +#!/usr/bin/perl + +use strict; + +# enable only the following on debugging purpose +use warnings; + +# Maps a nice printable name to the changing part of the pid file, which +# is also the name of the program +my %servicenames =( + 'DHCP Server' => 'dhcpd', + 'Web Server' => 'httpd', + 'CRON Server' => 'fcron', + 'DNS Proxy Server' => 'unbound', + 'Logging Server' => 'syslogd', + 'Kernel Logging Server' => 'klogd', + 'NTP Server' => 'ntpd', + 'Secure Shell Server' => 'sshd', + 'VPN' => 'charon', + 'Web Proxy' => 'squid', + 'Intrusion Detection System' => 'suricata', + 'OpenVPN' => 'openvpn' +); + +# Hash to overwrite the process name of a process if it differs fromt the launch command. +my %overwrite_exename_hash = ( + "suricata" => "Suricata-Main" +); + +my $first = 1; + +print "["; + +# Built-in services +my $key = ''; +foreach $key (sort keys %servicenames){ + print "," if not $first; + $first = 0; + + print "{"; + print "\"service\":\"$key\","; + + my $shortname = $servicenames{$key}; + print &servicestats($shortname); + + print "}"; +} + +# Generate list of installed addon pak's +my @pak = `find /opt/pakfire/db/installed/meta-* 2>/dev/null | cut -d"-" -f2`; +foreach (@pak){ + chomp($_); + + # Check which of the paks are services + my @svc = `find /etc/init.d/$_ 2>/dev/null | cut -d"/" -f4`; + foreach (@svc){ + # blacklist some packages + # + # alsa has trouble with the volume saving and was not really stopped + # mdadm should not stopped with webif because this could crash the system + # + chomp($_); + if ( $_ eq 'squid' ) { + next; + } + if ( ($_ ne "alsa") && ($_ ne "mdadm") ) { + print ","; + print "{"; + + print "\"service\":\"Addon: $_\","; + print "\"servicename\":\"$_\","; + + my $onboot = isautorun($_); + print "\"onboot\":$onboot,"; + + print &addonservicestats($_); + + print "}"; + } + } +} + +print "]"; + +sub servicestats{ + my $cmd = $_[0]; + my $status = "\"servicename\":\"$cmd\",\"state\":\"0\""; + my $pid = ''; + my $testcmd = ''; + my $exename; + my $memory; + + + $cmd =~ /(^[a-z]+)/; + + # Check if the exename needs to be overwritten. + # This happens if the expected process name string + # differs from the real one. This may happened if + # a service uses multiple processes or threads. + if (exists($overwrite_exename_hash{$cmd})) { + # Grab the string which will be reported by + # the process from the corresponding hash. + $exename = $overwrite_exename_hash{$1}; + } else { + # Directly expect the launched command as + # process name. + $exename = $1; + } + + if (open(FILE, "/var/run/${cmd}.pid")){ + $pid = ; chomp $pid; + close FILE; + if (open(FILE, "/proc/${pid}/status")){ + while (){ + if (/^Name:\W+(.*)/) { + $testcmd = $1; + } + } + close FILE; + } + if (open(FILE, "/proc/${pid}/status")) { + while () { + my ($key, $val) = split(":", $_, 2); + if ($key eq 'VmRSS') { + $val =~ /\s*([0-9]*)\s+kB/; + # Convert kB to B + $memory = $1*1024; + last; + } + } + close(FILE); + } + if ($testcmd =~ /$exename/){ + $status = "\"servicename\":\"$cmd\",\"state\":1,\"pid\":$pid,\"memory\":$memory"; + } + } + return $status; +} + +sub isautorun{ + my $cmd = $_[0]; + my $status = "0"; + my $init = `find /etc/rc.d/rc3.d/S??${cmd} 2>/dev/null`; + chomp ($init); + if ($init ne ''){ + $status = "1"; + } + $init = `find /etc/rc.d/rc3.d/off/S??${cmd} 2>/dev/null`; + chomp ($init); + if ($init ne ''){ + $status = "0"; + } + + return $status; +} + +sub addonservicestats{ + my $cmd = $_[0]; + my $status = "0"; + my $pid = ''; + my $testcmd = ''; + my $exename; + my @memory; + + $testcmd = `sudo /usr/local/bin/addonctrl $_ status 2>/dev/null`; + + if ( $testcmd =~ /is\ running/ && $testcmd !~ /is\ not\ running/){ + $status = "\"state\":1"; + + $testcmd =~ s/.* //gi; + $testcmd =~ s/[a-z_]//gi; + $testcmd =~ s/\[[0-1]\;[0-9]+//gi; + $testcmd =~ s/[\(\)\.]//gi; + $testcmd =~ s/ //gi; + $testcmd =~ s///gi; + + my @pid = split(/\s/,$testcmd); + $status .=",\"pid\":\"$pid[0]\""; + + my $memory = 0; + + foreach (@pid){ + chomp($_); + if (open(FILE, "/proc/$_/statm")){ + my $temp = ; + @memory = split(/ /,$temp); + } + $memory+=$memory[0]; + } + $memory*=1024; + $status .=",\"memory\":$memory"; + }else{ + $status = "\"state\":0"; + } + return $status; +} + diff --git a/sudoers.d/zabbix b/sudoers.d/zabbix new file mode 100644 index 0000000..8b56c33 --- /dev/null +++ b/sudoers.d/zabbix @@ -0,0 +1,17 @@ +# Include file for sudoers file +# +# This is needed for some userparameters to be able to execute commands that only run as root (using sudo) +# e.g. /usr/bin/openssl or /usr/sbin/smartctl +# +# USE AT YOU'RE OWN RISK. USING THIS WRONG CAN RESULT IN A SECURITY BREACH! +# +# Some hints: +# - It is strongly recommended to edit this file only using the visudo -f command. If you mess up this file, +# you might end up locking yourself out of your system! +# - Append the full path incl. parameters to each command, using "," as separator. +# - Only add commands you really need. Zabbix should not have more rights than it has to. +# +# Append / edit the following list of commands to fit your needs: +# +Defaults:zabbix !requiretty +zabbix ALL=(ALL) NOPASSWD: /opt/pakfire/pakfire status, /usr/local/bin/addonctrl, /sbin/iptables diff --git a/template_app_ipfire_by_zabbix_agent_active.xml b/template_app_ipfire_by_zabbix_agent_active.xml new file mode 100644 index 0000000..97dd91e --- /dev/null +++ b/template_app_ipfire_by_zabbix_agent_active.xml @@ -0,0 +1,917 @@ + + + 5.0 + 2020-10-20T08:48:14Z + + + Templates/Applications + + + Templates/Modules + + + + + + + + + + + + Entropy + + + 1 + BOLD_LINE + FF0000 + + Template Module IPFire General stats by Zabbix Agent Active + vfs.file.contents["/proc/sys/kernel/random/entropy_avail"] + + + + + + Firewall hits + STACKED + + + 1 + GRADIENT_LINE + 00FFFF + + Template Module IPFire Network stats by Zabbix Agent Active + ipfire.net.fw.hits["PSCAN","DROP_PScan"] + + + + 2 + GRADIENT_LINE + FFFF00 + + Template Module IPFire Network stats by Zabbix Agent Active + ipfire.net.fw.hits["NEWNOTSYN","DROP_NEWNOTSYN"] + + + + 3 + GRADIENT_LINE + 0080FF + + Template Module IPFire Network stats by Zabbix Agent Active + ipfire.net.fw.hits["POLICYIN","DROP_INPUT"] + + + + 4 + GRADIENT_LINE + BF00FF + + Template Module IPFire Network stats by Zabbix Agent Active + ipfire.net.fw.hits["POLICYFWD","DROP_FORWARD"] + + + + 5 + GRADIENT_LINE + FF0000 + + Template Module IPFire Network stats by Zabbix Agent Active + ipfire.net.fw.hits["POLICYOUT","DROP_OUTPUT"] + + + + + + Line Quality + + + 1 + GRADIENT_LINE + 1A7C11 + + Template Module IPFire Network stats by Zabbix Agent Active + ipfire.net.gateway.pingtime + + + + + + Open Connections + + + 1 + FF0000 + + Template Module IPFire Network stats by Zabbix Agent Active + vfs.file.contents["/proc/sys/net/netfilter/nf_conntrack_count"] + + + + + + + + Boolean Yes/No + + + 0 + No + + + 1 + Yes + + + + + Service state + + + 0 + Down + + + 1 + Up + + + + + diff --git a/zabbix_agentd.d/template_app_pakfire.conf b/zabbix_agentd.d/template_app_pakfire.conf new file mode 100644 index 0000000..aa2e80f --- /dev/null +++ b/zabbix_agentd.d/template_app_pakfire.conf @@ -0,0 +1,2 @@ +### Parameter for monitoring pakfire status +UserParameter=pakfire.status,sudo /opt/pakfire/pakfire status diff --git a/zabbix_agentd.d/template_module_ipfire_network_stats.conf b/zabbix_agentd.d/template_module_ipfire_network_stats.conf new file mode 100644 index 0000000..f7f1607 --- /dev/null +++ b/zabbix_agentd.d/template_module_ipfire_network_stats.conf @@ -0,0 +1,2 @@ +UserParameter=ipfire.net.gateway.pingtime,ping -c 3 -q gateway | tail -1 | awk '{ print $4 }' | cut -d '/' -f 2 +UserParameter=ipfire.net.fw.hits[*],sudo /sbin/iptables -vnxL $1 | grep "\/\* $2 \*\/" | awk '{ print $$2 }'; diff --git a/zabbix_agentd.d/template_module_ipfire_services.conf b/zabbix_agentd.d/template_module_ipfire_services.conf new file mode 100644 index 0000000..5f95218 --- /dev/null +++ b/zabbix_agentd.d/template_module_ipfire_services.conf @@ -0,0 +1,2 @@ +### Parameter for monitoring IPFire services +UserParameter=ipfire.services,/etc/zabbix_agentd/scripts/ipfire_services.pl diff --git a/zabbix_agentd.d/template_module_linux_block_devices.conf b/zabbix_agentd.d/template_module_linux_block_devices.conf new file mode 100644 index 0000000..678e1bd --- /dev/null +++ b/zabbix_agentd.d/template_module_linux_block_devices.conf @@ -0,0 +1,3 @@ +# UserParameter to emulate the Zabbix Agent 4.4+ built-in vfs.dev.discovery +# +UserParameter=vfs.dev.discovery,/bin/lsblk -aln -o NAME,TYPE | awk 'BEGIN{ ORS=""; print "["; first=1 } { if (first==1) { first=0 } else { print "," }; print "{\"{#DEVNAME}\":\"" $1 "\",\"{#DEVTYPE}\":\"" $2 "\"}" } END{ print "]" }'