1430 lines
42 KiB
Bash
1430 lines
42 KiB
Bash
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#!/bin/sh
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# shellcheck disable=1003,1091,2006,2016,2034,2039
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# vim: set ts=2 sw=2 sts=2 et:
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# Author: Diego Blanco <diego.blanco@treitos.com>
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# GitHub: https://github.com/diego-treitos/linux-smart-enumeration
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#
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lse_version="3.7"
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#( Colors
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#
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# fg
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red='\e[31m'
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lred='\e[91m'
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green='\e[32m'
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lgreen='\e[92m'
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yellow='\e[33m'
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lyellow='\e[93m'
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blue='\e[34m'
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lblue='\e[94m'
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magenta='\e[35m'
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lmagenta='\e[95m'
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cyan='\e[36m'
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lcyan='\e[96m'
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grey='\e[90m'
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lgrey='\e[37m'
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white='\e[97m'
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black='\e[30m'
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#
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# bg
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b_red='\e[41m'
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b_lred='\e[101m'
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b_green='\e[42m'
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b_lgreen='\e[102m'
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b_yellow='\e[43m'
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b_lyellow='\e[103m'
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b_blue='\e[44m'
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b_lblue='\e[104m'
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b_magenta='\e[45m'
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b_lmagenta='\e[105m'
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b_cyan='\e[46m'
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b_lcyan='\e[106m'
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b_grey='\e[100m'
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b_lgrey='\e[47m'
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b_white='\e[107m'
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b_black='\e[40m'
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#
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# special
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reset='\e[0;0m'
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bold='\e[01m'
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italic='\e[03m'
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underline='\e[04m'
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inverse='\e[07m'
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conceil='\e[08m'
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crossedout='\e[09m'
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bold_off='\e[22m'
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italic_off='\e[23m'
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underline_off='\e[24m'
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inverse_off='\e[27m'
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conceil_off='\e[28m'
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crossedout_off='\e[29m'
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#)
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#( Globals
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#
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# user
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lse_user_id="$UID"
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[ -z "$lse_user_id" ] && lse_user_id="`id -u`"
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lse_user="$USER"
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[ -z "$lse_user" ] && lse_user="`id -nu`"
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lse_pass=""
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lse_home="$HOME"
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[ -z "$lse_home" ] && lse_home="`(grep -E "^$lse_user:" /etc/passwd | cut -d: -f6)2>/dev/null`"
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# system
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lse_arch="`uname -m`"
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lse_linux="`uname -r`"
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lse_hostname="`hostname`"
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lse_distro=`command -v lsb_release >/dev/null 2>&1 && lsb_release -d | sed 's/Description:\s*//' 2>/dev/null`
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[ -z "$lse_distro" ] && lse_distro="`(source /etc/os-release && echo "$PRETTY_NAME")2>/dev/null`"
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# lse
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lse_passed_tests=""
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lse_executed_tests=""
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lse_DEBUG=false
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lse_procmon_data=`mktemp`
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lse_procmon_lock=`mktemp`
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# printf
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printf "%s" "$reset" | grep -q '\\' && alias printf="env printf"
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# internal data
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lse_common_setuid="
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/bin/fusermount
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/bin/mount
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/bin/ntfs-3g
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/bin/ping
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/bin/ping6
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/bin/su
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/bin/umount
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/lib64/dbus-1/dbus-daemon-launch-helper
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/sbin/mount.ecryptfs_private
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/sbin/mount.nfs
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/sbin/pam_timestamp_check
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/sbin/pccardctl
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/sbin/unix2_chkpwd
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/sbin/unix_chkpwd
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/usr/bin/Xorg
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/usr/bin/arping
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/usr/bin/at
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/usr/bin/beep
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/usr/bin/chage
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/usr/bin/chfn
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/usr/bin/chsh
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/usr/bin/crontab
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/usr/bin/expiry
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/usr/bin/firejail
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/usr/bin/fusermount
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/usr/bin/fusermount-glusterfs
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/usr/bin/gpasswd
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/usr/bin/kismet_capture
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/usr/bin/mount
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/usr/bin/mtr
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/usr/bin/newgidmap
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/usr/bin/newgrp
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/usr/bin/newuidmap
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/usr/bin/passwd
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/usr/bin/pkexec
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/usr/bin/pmount
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/usr/bin/procmail
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/usr/bin/pumount
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/usr/bin/staprun
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/usr/bin/su
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/usr/bin/sudo
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/usr/bin/sudoedit
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/usr/bin/traceroute6.iputils
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/usr/bin/umount
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/usr/bin/weston-launch
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/usr/lib/chromium-browser/chrome-sandbox
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/usr/lib/dbus-1.0/dbus-daemon-launch-helper
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/usr/lib/dbus-1/dbus-daemon-launch-helper
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/usr/lib/eject/dmcrypt-get-device
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/usr/lib/openssh/ssh-keysign
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/usr/lib/policykit-1/polkit-agent-helper-1
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/usr/lib/polkit-1/polkit-agent-helper-1
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/usr/lib/pt_chown
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/usr/lib/snapd/snap-confine
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/usr/lib/spice-gtk/spice-client-glib-usb-acl-helper
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/usr/lib/x86_64-linux-gnu/lxc/lxc-user-nic
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/usr/lib/xorg/Xorg.wrap
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/usr/libexec/Xorg.wrap
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/usr/libexec/abrt-action-install-debuginfo-to-abrt-cache
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/usr/libexec/cockpit-session
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/usr/libexec/dbus-1/dbus-daemon-launch-helper
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/usr/libexec/gstreamer-1.0/gst-ptp-helper
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/usr/libexec/openssh/ssh-keysign
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/usr/libexec/polkit-1/polkit-agent-helper-1
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/usr/libexec/polkit-agent-helper-1
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/usr/libexec/pt_chown
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/usr/libexec/qemu-bridge-helper
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/usr/libexec/spice-client-glib-usb-acl-helper
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/usr/libexec/spice-gtk-x86_64/spice-client-glib-usb-acl-helper
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/usr/local/share/panasonic/printer/bin/L_H0JDUCZAZ
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/usr/sbin/exim4
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/usr/sbin/grub2-set-bootflag
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/usr/sbin/mount.nfs
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/usr/sbin/mtr-packet
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/usr/sbin/pam_timestamp_check
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/usr/sbin/pppd
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/usr/sbin/pppoe-wrapper
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/usr/sbin/suexec
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/usr/sbin/unix_chkpwd
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/usr/sbin/userhelper
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/usr/sbin/usernetctl
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/usr/sbin/uuidd
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"
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#regex rules for common setuid
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lse_common_setuid="$lse_common_setuid
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/snap/core.*
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/var/tmp/mkinitramfs.*
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"
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#critical writable files
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lse_critical_writable="
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/etc/apache2/apache2.conf
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/etc/apache2/httpd.conf
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/etc/bash.bashrc
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/etc/bash_completion
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/etc/bash_completion.d/*
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/etc/environment
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/etc/environment.d/*
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/etc/hosts.allow
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/etc/hosts.deny
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/etc/httpd/conf/httpd.conf
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/etc/httpd/httpd.conf
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/etc/incron.conf
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/etc/incron.d/*
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/etc/logrotate.d/*
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/etc/modprobe.d/*
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/etc/pam.d/*
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/etc/passwd
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/etc/php*/fpm/pool.d/*
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/etc/php/*/fpm/pool.d/*
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/etc/profile
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/etc/profile.d/*
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/etc/rc*.d/*
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/etc/rsyslog.d/*
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/etc/shadow
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/etc/skel/*
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/etc/sudoers
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/etc/sudoers.d/*
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/etc/supervisor/conf.d/*
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/etc/supervisor/supervisord.conf
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/etc/sysctl.conf
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/etc/sysctl.d/*
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/etc/uwsgi/apps-enabled/*
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/root/.ssh/authorized_keys
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"
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#critical writable directories
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lse_critical_writable_dirs="
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/etc/bash_completion.d
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/etc/cron.d
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/etc/cron.daily
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/etc/cron.hourly
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/etc/cron.weekly
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/etc/environment.d
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/etc/logrotate.d
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/etc/modprobe.d
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/etc/pam.d
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/etc/profile.d
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/etc/rsyslog.d/
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/etc/sudoers.d/
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/etc/sysctl.d
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/root
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"
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#)
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#( Options
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lse_color=true
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lse_alt_color=false
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lse_interactive=true
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lse_proc_time=60
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lse_level=0 #Valid levels 0:default, 1:interesting, 2:all
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lse_selection="" #Selected tests to run. Empty means all.
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lse_find_opts='-path /proc -prune -o -path /sys -prune -o -path /dev -prune -o' #paths to exclude from searches
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lse_grep_opts='--color=always'
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#)
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#( Lib
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cecho() {
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if $lse_color; then
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printf "%b" "$@"
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else
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# If color is disabled we remove it
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printf "%b" "$@" | sed 's/\x1B\[[0-9;]\+[A-Za-z]//g'
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fi
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}
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lse_recolor() {
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o_white="$white"
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o_lyellow="$lyellow"
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o_grey="$grey"
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o_lred="$lred"
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o_lgreen="$lgreen"
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o_lcyan="$lcyan"
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white="$o_grey"
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lyellow="$o_lred"
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grey="$lgrey"
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lred="$red"
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lgreen="$b_lgreen$black"
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lcyan="$cyan"
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}
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lse_error() {
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cecho "${red}ERROR: ${reset}$*\n" >&2
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}
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lse_exclude_paths() {
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local IFS="
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"
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for p in `printf "%s" "$1" | tr ',' '\n'`; do
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[ "`printf \"%s\" \"$p\" | cut -c1`" = "/" ] || lse_error "'$p' is not an absolute path."
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p="${p%%/}"
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lse_find_opts="$lse_find_opts -path ${p} -prune -o"
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done
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}
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lse_set_level() {
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case "$1" in
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0|1|2)
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lse_level=$(($1))
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;;
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*)
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lse_error "Invalid level."
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exit 1
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;;
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esac
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}
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lse_help() {
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echo "Use: $0 [options]"
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echo
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echo " OPTIONS"
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echo " -c Disable color"
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echo " -C Use alternative color scheme"
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echo " -i Non interactive mode"
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echo " -h This help"
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echo " -l LEVEL Output verbosity level"
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echo " 0: Show highly important results. (default)"
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echo " 1: Show interesting results."
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echo " 2: Show all gathered information."
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echo " -s SELECTION Comma separated list of sections or tests to run. Available"
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echo " sections:"
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echo " usr: User related tests."
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echo " sud: Sudo related tests."
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echo " fst: File system related tests."
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echo " sys: System related tests."
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echo " sec: Security measures related tests."
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echo " ret: Recurrent tasks (cron, timers) related tests."
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echo " net: Network related tests."
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echo " srv: Services related tests."
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echo " pro: Processes related tests."
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echo " sof: Software related tests."
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echo " ctn: Container (docker, lxc) related tests."
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echo " Specific tests can be used with their IDs (i.e.: usr020,sud)"
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echo " -e PATHS Comma separated list of paths to exclude. This allows you"
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echo " to do faster scans at the cost of completeness"
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echo " -p SECONDS Time that the process monitor will spend watching for"
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echo " processes. A value of 0 will disable any watch (default: 60)"
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echo " -S Serve the lse.sh script in this host so it can be retrieved"
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echo " from a remote host."
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}
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lse_ask() {
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local question="$1"
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# We use stderr to print the question
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cecho "${white}${question}: ${reset}" >&2
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read -r answer
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case "$answer" in
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y|Y|yes|Yes|ok|Ok|true|True)
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return 0
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;;
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*)
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echo "$answer"
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return 1
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;;
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esac
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}
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lse_request_information() {
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if $lse_interactive; then
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cecho "${grey}---\n"
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[ -z "$lse_user" ] && lse_user=`lse_ask "Could not find current user name. Current user?"`
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lse_pass=`lse_ask "If you know the current user password, write it here to check sudo privileges"`
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cecho "${grey}---\n"
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fi
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}
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lse_test_passed() {
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# Checks if a test passed by ID
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local id="$1"
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for i in $lse_passed_tests; do
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|
|
[ "$i" = "$id" ] && return 0
|
||
|
|
done
|
||
|
|
return 1
|
||
|
|
}
|
||
|
|
lse_test() {
|
||
|
|
# Test id
|
||
|
|
local id="$1"
|
||
|
|
# Minimum level required for this test to show its output
|
||
|
|
local level=$(($2))
|
||
|
|
# Name of the current test
|
||
|
|
local name="$3"
|
||
|
|
# Output of the test
|
||
|
|
local cmd="$4"
|
||
|
|
# Dependencies
|
||
|
|
local deps="$5"
|
||
|
|
# Variable name where to store the output
|
||
|
|
local var="$6"
|
||
|
|
|
||
|
|
# Define colors
|
||
|
|
local l="${lred}!"
|
||
|
|
local r="${lgreen}"
|
||
|
|
[ $level -eq 1 ] && l="${lyellow}*" && r="${cyan}"
|
||
|
|
[ $level -eq 2 ] && l="${lblue}i" && r="${blue}"
|
||
|
|
|
||
|
|
# Filter selected tests
|
||
|
|
if [ "$lse_selection" ]; then
|
||
|
|
local sel_match=false
|
||
|
|
for s in $lse_selection; do
|
||
|
|
if [ "$s" = "$id" ] || [ "$s" = "`printf \"%s\" \"$id\" | cut -c1-3`" ]; then
|
||
|
|
sel_match=true
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
$sel_match || return 0
|
||
|
|
fi
|
||
|
|
|
||
|
|
# DEBUG messages
|
||
|
|
$lse_DEBUG && cecho "${lmagenta}DEBUG: ${lgreen}Executing: ${reset}$cmd\n"
|
||
|
|
|
||
|
|
# Print name and line
|
||
|
|
cecho "${white}[${l}${white}] ${grey}${id}${white} $name${grey}"
|
||
|
|
for i in $(seq $((${#name}+4)) 67); do
|
||
|
|
echo -n "."
|
||
|
|
done
|
||
|
|
|
||
|
|
# Check dependencies
|
||
|
|
local non_met_deps=""
|
||
|
|
for d in $deps; do
|
||
|
|
lse_test_passed "$d" || non_met_deps="$non_met_deps $d"
|
||
|
|
done
|
||
|
|
if [ "$non_met_deps" ]; then
|
||
|
|
cecho " ${grey}skip\n"
|
||
|
|
# In "selection mode" we print the missed dependencies
|
||
|
|
if [ "$lse_selection" ]; then
|
||
|
|
cecho "${red}---\n"
|
||
|
|
cecho "Dependencies not met:$reset $non_met_deps\n"
|
||
|
|
cecho "${red}---$reset\n"
|
||
|
|
fi
|
||
|
|
return 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
# If level is 2 and lse_level is less than 2, then we do not execute
|
||
|
|
# level 2 tests unless their output needs to be assigned to a variable
|
||
|
|
if [ $level -ge 2 ] && [ $lse_level -lt 2 ] && [ -z "$var" ]; then
|
||
|
|
cecho " ${grey}skip\n"
|
||
|
|
return 1
|
||
|
|
else
|
||
|
|
if $lse_DEBUG; then
|
||
|
|
output="`eval "$cmd" 2>&1`"
|
||
|
|
else
|
||
|
|
# Execute command if this test's level is in scope
|
||
|
|
output="`eval "$cmd" 2>/dev/null`"
|
||
|
|
# Assign variable if available
|
||
|
|
fi
|
||
|
|
[ "$var" ] && [ "$output" ] && readonly "${var}=$output"
|
||
|
|
# Mark test as executed
|
||
|
|
lse_executed_tests="$lse_executed_tests $id"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ -z "$output" ]; then
|
||
|
|
cecho " ${grey}nope${reset}\n"
|
||
|
|
return 1
|
||
|
|
else
|
||
|
|
lse_passed_tests="$lse_passed_tests $id"
|
||
|
|
cecho "${r} yes!${reset}\n"
|
||
|
|
if [ $lse_level -ge $level ]; then
|
||
|
|
cecho "${grey}---$reset\n"
|
||
|
|
echo "$output"
|
||
|
|
cecho "${grey}---$reset\n"
|
||
|
|
fi
|
||
|
|
return 0
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
lse_show_info() {
|
||
|
|
echo
|
||
|
|
cecho "${lcyan} LSE Version:${reset} $lse_version\n"
|
||
|
|
echo
|
||
|
|
cecho "${lblue} User:${reset} $lse_user\n"
|
||
|
|
cecho "${lblue} User ID:${reset} $lse_user_id\n"
|
||
|
|
cecho "${lblue} Password:${reset} "
|
||
|
|
if [ -z "$lse_pass" ]; then
|
||
|
|
cecho "${grey}none${reset}\n"
|
||
|
|
else
|
||
|
|
cecho "******\n"
|
||
|
|
fi
|
||
|
|
cecho "${lblue} Home:${reset} $lse_home\n"
|
||
|
|
cecho "${lblue} Path:${reset} $PATH\n"
|
||
|
|
cecho "${lblue} umask:${reset} `umask 2>/dev/null`\n"
|
||
|
|
|
||
|
|
echo
|
||
|
|
cecho "${lblue} Hostname:${reset} $lse_hostname\n"
|
||
|
|
cecho "${lblue} Linux:${reset} $lse_linux\n"
|
||
|
|
if [ "$lse_distro" ]; then
|
||
|
|
cecho "${lblue}Distribution:${reset} $lse_distro\n"
|
||
|
|
fi
|
||
|
|
cecho "${lblue}Architecture:${reset} $lse_arch\n"
|
||
|
|
echo
|
||
|
|
}
|
||
|
|
lse_serve() {
|
||
|
|
# get port
|
||
|
|
which nc >/dev/null || lse_error "Could not find 'nc' netcat binary."
|
||
|
|
|
||
|
|
local_ips="`ip a | grep -Eo 'inet ([0-9]{1,3}\.){3}[0-9]{1,3}' | cut -d' ' -f2`"
|
||
|
|
|
||
|
|
# Get a valid and non used port
|
||
|
|
port=`od -An -N2 -i /dev/random|grep -Eo '[0-9]+'`
|
||
|
|
port_valid=true
|
||
|
|
while true; do
|
||
|
|
for ip in $local_ips; do
|
||
|
|
nc -z "$ip" "$port" && port_valid=false
|
||
|
|
done
|
||
|
|
if [ $((port)) -lt 1024 ] || [ $((port)) -gt 65500 ]; then
|
||
|
|
port_valid=false
|
||
|
|
fi
|
||
|
|
$port_valid && break
|
||
|
|
port=`od -An -N2 -i /dev/random|grep -Eo '[0-9]+'`
|
||
|
|
done
|
||
|
|
|
||
|
|
echo
|
||
|
|
cecho " Serving ${white}Linux Smart Enumeration${reset} on port ${blue}$port${reset}.\n"
|
||
|
|
echo
|
||
|
|
cecho " Depending on your IP and available tools, some of these commands should download it in a remote host:\n"
|
||
|
|
for ip in $local_ips; do
|
||
|
|
[ "$ip" = "127.0.0.1" ] && continue
|
||
|
|
echo
|
||
|
|
cecho "${reset} [${blue}$ip${reset}]\n"
|
||
|
|
cecho "${green} * ${white}nc ${reset} $ip $port > lse.sh </dev/null; chmod 755 lse.sh\n"
|
||
|
|
cecho "${green} * ${white}curl ${reset}--http0.9 '$ip:$port' -o lse.sh; chmod 755 lse.sh\n"
|
||
|
|
cecho "${green} * ${white}wget ${reset} '$ip:$port' -O lse.sh; chmod 755 lse.sh\n"
|
||
|
|
cecho "${green} * ${white}exec 3<>/dev/tcp/${reset}$ip/$port;printf '\\\\n'>&3;cat<&3>lse.sh;exec 3<&-;chmod 755 lse.sh\n"
|
||
|
|
done
|
||
|
|
nc -l -q0 -p "$port" < "$0" >/dev/null
|
||
|
|
}
|
||
|
|
lse_header() {
|
||
|
|
local id="$1"
|
||
|
|
shift
|
||
|
|
local title="$*"
|
||
|
|
local text="${magenta}"
|
||
|
|
|
||
|
|
# Filter selected tests
|
||
|
|
if [ "$lse_selection" ]; then
|
||
|
|
local sel_match=false
|
||
|
|
for s in $lse_selection; do
|
||
|
|
if [ "`printf \"%s\" \"$s\"|cut -c1-3`" = "$id" ]; then
|
||
|
|
sel_match=true
|
||
|
|
break
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
$sel_match || return 0
|
||
|
|
fi
|
||
|
|
|
||
|
|
for i in $(seq ${#title} 70); do
|
||
|
|
text="$text="
|
||
|
|
done
|
||
|
|
text="$text(${green} $title ${magenta})====="
|
||
|
|
cecho "$text${reset}\n"
|
||
|
|
}
|
||
|
|
lse_exit() {
|
||
|
|
local ec=1
|
||
|
|
local text="\n${magenta}=================================="
|
||
|
|
[ "$1" ] && ec=$1
|
||
|
|
text="$text(${green} FINISHED ${magenta})=================================="
|
||
|
|
cecho "$text${reset}\n"
|
||
|
|
rm -f "$lse_procmon_data"
|
||
|
|
rm -f "$lse_procmon_lock"
|
||
|
|
exit "$ec"
|
||
|
|
}
|
||
|
|
lse_procmon() {
|
||
|
|
# monitor processes
|
||
|
|
#NOTE: The first number will be the number of occurrences of a process due to
|
||
|
|
# uniq -c
|
||
|
|
while [ -f "$lse_procmon_lock" ]; do
|
||
|
|
ps -ewwwo start_time,pid,user:50,args
|
||
|
|
sleep 0.001
|
||
|
|
done | grep -v 'ewwwo start_time,pid,user:50,args' | sed 's/^ *//g' | tr -s '[:space:]' | grep -v "^START" | grep -Ev '[^ ]+ [^ ]+ [^ ]+ \[' | sort -Mr | uniq -c | sed 's/^ *//g' > "$lse_procmon_data"
|
||
|
|
}
|
||
|
|
lse_proc_print() {
|
||
|
|
# Pretty prints output from lse_procmom received via stdin
|
||
|
|
printf "${green}%s %8s %8s %s\n" "START" "PID" "USER" "COMMAND"
|
||
|
|
while read -r l; do
|
||
|
|
p_num=`echo "$l" | cut -d" " -f1`
|
||
|
|
p_time=`echo "$l" | cut -d" " -f2`
|
||
|
|
p_pid=`echo "$l" | cut -d" " -f3`
|
||
|
|
p_user=`echo "$l" | cut -d" " -f4`
|
||
|
|
p_args=`echo "$l" | cut -d" " -f5-`
|
||
|
|
if [ $((p_num)) -lt 20 ]; then # few times probably periodic
|
||
|
|
printf "${red}%s ${reset}%8s ${yellow}%8s ${red}%s\n" "$p_time" "$p_pid" "$p_user" "$p_args"
|
||
|
|
else
|
||
|
|
printf "${magenta}%s ${reset}%8s ${yellow}%8s ${reset}%s\n" "$p_time" "$p_pid" "$p_user" "$p_args"
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
}
|
||
|
|
#)
|
||
|
|
|
||
|
|
########################################################################( TESTS
|
||
|
|
#
|
||
|
|
# A successful test will receive some output while a failed tests will receive
|
||
|
|
# an empty string.
|
||
|
|
#
|
||
|
|
########################################################################( users
|
||
|
|
lse_run_tests_users() {
|
||
|
|
lse_header "usr" "users"
|
||
|
|
|
||
|
|
#user groups
|
||
|
|
lse_test "usr000" "2" \
|
||
|
|
"Current user groups" \
|
||
|
|
'groups' \
|
||
|
|
"" \
|
||
|
|
"lse_user_groups"
|
||
|
|
|
||
|
|
#user in an administrative group
|
||
|
|
lse_test "usr010" "1" \
|
||
|
|
"Is current user in an administrative group?" \
|
||
|
|
'grep $lse_grep_opts -E "^(adm|admin|root|sudo|wheel)" /etc/group | grep $lse_grep_opts -E "(:|,)$lse_user"'
|
||
|
|
|
||
|
|
#other users in an administrative group
|
||
|
|
lse_test "usr020" "1" \
|
||
|
|
"Are there other users in administrative groups?" \
|
||
|
|
'grep $lse_grep_opts -E "^(adm|admin|root|sudo|wheel)" /etc/group | grep -Ev ":$|:$lse_user$" | grep $lse_grep_opts -Ei ":[,a-z_-]+\$"'
|
||
|
|
|
||
|
|
#other users with shell
|
||
|
|
lse_test "usr030" "1" \
|
||
|
|
"Other users with shell" \
|
||
|
|
'grep $lse_grep_opts -E ":/[a-z/]+sh\$" /etc/passwd' \
|
||
|
|
"" \
|
||
|
|
"lse_shell_users"
|
||
|
|
|
||
|
|
#user env information
|
||
|
|
lse_test "usr040" "2" \
|
||
|
|
"Environment information" \
|
||
|
|
'env | grep -v "LS_COLORS"'
|
||
|
|
|
||
|
|
#dump user groups
|
||
|
|
lse_test "usr050" "2" \
|
||
|
|
"Groups for other users" \
|
||
|
|
'cat /etc/group'
|
||
|
|
|
||
|
|
#dump users
|
||
|
|
lse_test "usr060" "2" \
|
||
|
|
"Other users" \
|
||
|
|
'cat /etc/passwd'
|
||
|
|
|
||
|
|
#find defined PATHs
|
||
|
|
lse_test "usr070" "1" \
|
||
|
|
"PATH variables defined inside /etc" \
|
||
|
|
'for p in `grep -ERh "^ *PATH=.*" /etc/ 2> /dev/null | tr -d \"\'"'"' | cut -d= -f2 | tr ":" "\n" | sort -u`; do [ -d "$p" ] && echo "$p";done' \
|
||
|
|
"" \
|
||
|
|
"lse_exec_paths"
|
||
|
|
|
||
|
|
#check if . is in PATHs
|
||
|
|
lse_test "usr080" "0" \
|
||
|
|
"Is '.' in a PATH variable defined inside /etc?" \
|
||
|
|
'for ep in $lse_exec_paths; do [ "$ep" = "." ] && grep -ER "^ *PATH=.*" /etc/ 2> /dev/null | tr -d \"\'"'"' | grep -E "[=:]\.([:[:space:]]|\$)";done' \
|
||
|
|
"usr070"
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#########################################################################( sudo
|
||
|
|
lse_run_tests_sudo() {
|
||
|
|
lse_header "sud" "sudo"
|
||
|
|
|
||
|
|
#variables for sudo checks
|
||
|
|
lse_sudo=false
|
||
|
|
lse_sudo_commands=""
|
||
|
|
|
||
|
|
#can we sudo without supplying a password
|
||
|
|
lse_test "sud000" "0" \
|
||
|
|
"Can we sudo without a password?" \
|
||
|
|
'echo "" | sudo -nS id' && lse_sudo=true
|
||
|
|
|
||
|
|
#can we list sudo commands without supplying a password
|
||
|
|
$lse_sudo || \
|
||
|
|
lse_test "sud010" "0" \
|
||
|
|
"Can we list sudo commands without a password?" \
|
||
|
|
'echo "" | sudo -nS -l' \
|
||
|
|
"" \
|
||
|
|
"lse_sudo_commands"
|
||
|
|
|
||
|
|
if [ "$lse_pass" ]; then
|
||
|
|
#can we sudo supplying a password
|
||
|
|
$lse_sudo || \
|
||
|
|
lse_test "sud020" "0" \
|
||
|
|
"Can we sudo with a password?" \
|
||
|
|
'echo "$lse_pass" | sudo -S id' && lse_sudo=true
|
||
|
|
|
||
|
|
#can we list sudo commands without supplying a password
|
||
|
|
if ! $lse_sudo && [ -z "$lse_sudo_commands" ]; then
|
||
|
|
lse_test "sud030" "0" \
|
||
|
|
"Can we list sudo commands with a password?" \
|
||
|
|
'echo "$lse_pass" | sudo -S -l' \
|
||
|
|
"" \
|
||
|
|
"lse_sudo_commands"
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
#check if we can read the sudoers file
|
||
|
|
lse_test "sud040" "1" \
|
||
|
|
"Can we read sudoers files?" \
|
||
|
|
'grep -R "" /etc/sudoers*'
|
||
|
|
|
||
|
|
#check users that sudoed in the past
|
||
|
|
lse_test "sud050" "1" \
|
||
|
|
"Do we know if any other users used sudo?" \
|
||
|
|
'for uh in $(cut -d: -f1,6 /etc/passwd); do [ -f "${uh##*:}/.sudo_as_admin_successful" ] && echo "${uh%%:*}"; done'
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
##################################################################( file system
|
||
|
|
lse_run_tests_filesystem() {
|
||
|
|
lse_header "fst" "file system"
|
||
|
|
|
||
|
|
#writable files outside user's home. NOTE: Does not check if user can write in symlink destination (performance reasons: -L implies -noleaf)
|
||
|
|
lse_test "fst000" "1" \
|
||
|
|
"Writable files outside user's home" \
|
||
|
|
'find / -path "$lse_home" -prune -o $lse_find_opts -not -type l -writable -print;
|
||
|
|
# Add symlinks owned by the user (so the user can change where they point)
|
||
|
|
find / -path "$lse_home" -prune -o $lse_find_opts -type l -user $lse_user -print' \
|
||
|
|
"" \
|
||
|
|
"lse_user_writable"
|
||
|
|
|
||
|
|
#get setuid binaries
|
||
|
|
lse_test "fst010" "1" \
|
||
|
|
"Binaries with setuid bit" \
|
||
|
|
'find / $lse_find_opts -perm -4000 -type f -print' \
|
||
|
|
"" \
|
||
|
|
"lse_setuid_binaries"
|
||
|
|
|
||
|
|
#uncommon setuid binaries
|
||
|
|
lse_test "fst020" "0" \
|
||
|
|
"Uncommon setuid binaries" \
|
||
|
|
'local setuidbin="$lse_setuid_binaries"; local IFS="
|
||
|
|
"; for cs in ${lse_common_setuid}; do setuidbin=`printf "$setuidbin\n" | grep -Ev "^$cs$"`;done ; printf "$setuidbin\n"' \
|
||
|
|
"fst010"
|
||
|
|
|
||
|
|
#can we write to any setuid binary
|
||
|
|
lse_test "fst030" "0" \
|
||
|
|
"Can we write to any setuid binary?" \
|
||
|
|
'for b in $lse_setuid_binaries; do [ -x "$b" ] && [ -w "$b" ] && echo "$b" ;done' \
|
||
|
|
"fst010"
|
||
|
|
|
||
|
|
#get setgid binaries
|
||
|
|
lse_test "fst040" "1" \
|
||
|
|
"Binaries with setgid bit" \
|
||
|
|
'find / $lse_find_opts -perm -2000 -type f -print' \
|
||
|
|
"lse_setgid_binaries"
|
||
|
|
|
||
|
|
#uncommon setgid binaries
|
||
|
|
lse_test "fst050" "0" \
|
||
|
|
"Uncommon setgid binaries" \
|
||
|
|
'printf "$lse_setgid_binaries\n" | grep -Ev "^/(bin|sbin|usr/bin|usr/lib|usr/sbin)"' \
|
||
|
|
"fst040"
|
||
|
|
|
||
|
|
#can we write to any setgid binary
|
||
|
|
lse_test "fst060" "0" \
|
||
|
|
"Can we write to any setgid binary?" \
|
||
|
|
'for b in $lse_setgid_binaries; do [ -x "$b" ] && [ -w "$b" ] && echo "$b" ;done' \
|
||
|
|
"fst040"
|
||
|
|
|
||
|
|
#can we read /root
|
||
|
|
lse_test "fst070" "1" \
|
||
|
|
"Can we read /root?" \
|
||
|
|
'ls -ahl /root/'
|
||
|
|
|
||
|
|
#check /home permissions
|
||
|
|
lse_test "fst080" "1" \
|
||
|
|
"Can we read subdirectories under /home?" \
|
||
|
|
'for h in /home/*; do [ -d "$h" ] && [ "$h" != "$lse_home" ] && ls -la "$h/"; done'
|
||
|
|
|
||
|
|
#check for SSH files in home directories
|
||
|
|
lse_test "fst090" "1" \
|
||
|
|
"SSH files in home directories" \
|
||
|
|
'for h in $(cut -d: -f6 /etc/passwd | sort -u | grep -Ev "^(/|/dev|/bin|/proc|/run/.*|/var/run/.*)$"); do find "$h" \( -name "*id_dsa*" -o -name "*id_rsa*" -o -name "*id_ecdsa*" -o -name "*id_ed25519*" -o -name "known_hosts" -o -name "authorized_hosts" -o -name "authorized_keys" \) -exec ls -la {} \; ; done'
|
||
|
|
|
||
|
|
#check useful binaries
|
||
|
|
lse_test "fst100" "1" \
|
||
|
|
"Useful binaries" \
|
||
|
|
'which curl; which dig; which gcc; which nc.openbsd; which nc; which netcat; which nmap; which socat; which wget'
|
||
|
|
|
||
|
|
#check for interesting files in home directories
|
||
|
|
lse_test "fst110" "1" \
|
||
|
|
"Other interesting files in home directories" \
|
||
|
|
'for h in $(cut -d: -f6 /etc/passwd); do find "$h" \( -name "*.rhosts" -o -name ".git-credentials" -o -name ".*history" \) -maxdepth 1 -exec ls -la {} \; ;'
|
||
|
|
|
||
|
|
#looking for credentials in /etc/fstab and /etc/mtab
|
||
|
|
lse_test "fst120" "0" \
|
||
|
|
"Are there any credentials in fstab/mtab?" \
|
||
|
|
'grep $lse_grep_opts -Ei "(user|username|login|pass|password|pw|credentials)[=:]" /etc/fstab /etc/mtab'
|
||
|
|
|
||
|
|
#check if current user has mail
|
||
|
|
lse_test "fst130" "1" \
|
||
|
|
"Does '$lse_user' have mail?" \
|
||
|
|
'ls -l "/var/mail/$lse_user"'
|
||
|
|
|
||
|
|
#check if we can access other users mail mail
|
||
|
|
lse_test "fst140" "0" \
|
||
|
|
"Can we access other users mail?" \
|
||
|
|
'for f in /var/mail/*; do [ "$f" != "/var/mail/$lse_user" ] && [ -r "$f" ] && echo "$f"; done'
|
||
|
|
|
||
|
|
#check for code repositories
|
||
|
|
lse_test "fst150" "1" \
|
||
|
|
"Looking for GIT/SVN repositories" \
|
||
|
|
'find / $lse_find_opts \( -name ".git" -o -name ".svn" \) -print'
|
||
|
|
|
||
|
|
#can we write to files that can give us root
|
||
|
|
lse_test "fst160" "0" \
|
||
|
|
"Can we write to critical files?" \
|
||
|
|
'for uw in $lse_user_writable; do [ -f "$uw" ] && IFS="
|
||
|
|
"; for cw in ${lse_critical_writable}; do [ "$cw" = "$uw" ] && [ -w "$cw" ] && ls -l $cw; done ; done' \
|
||
|
|
"fst000"
|
||
|
|
|
||
|
|
#can we write to directories that can give us root
|
||
|
|
lse_test "fst170" "0" \
|
||
|
|
"Can we write to critical directories?" \
|
||
|
|
'for uw in $lse_user_writable; do [ -d "$uw" ] && IFS="
|
||
|
|
"; for cw in ${lse_critical_writable_dirs}; do [ "$cw" = "$uw" ] && [ -w "$cw" ] && ls -ld $cw; done ; done' \
|
||
|
|
"fst000"
|
||
|
|
|
||
|
|
#can we write to directories inside PATHS
|
||
|
|
lse_test "fst180" "0" \
|
||
|
|
"Can we write to directories from PATH defined in /etc?" \
|
||
|
|
'for ep in $lse_exec_paths; do [ -d "$ep" ] && [ -w "$ep" ] && ls -ld "$ep"; done' \
|
||
|
|
"usr070"
|
||
|
|
|
||
|
|
#can we read backups
|
||
|
|
lse_test "fst190" "0" \
|
||
|
|
"Can we read any backup?" \
|
||
|
|
'find / $lse_find_opts -path /usr/lib -prune -o -path /usr/share -prune -o -regextype egrep -iregex ".*(backup|dump|cop(y|ies)|bak|bkp)[^/]*\.(sql|tgz|tar|zip)?\.?(gz|xz|bzip2|bz2|lz|7z)?" -readable -type f -exec ls -al {} \;'
|
||
|
|
|
||
|
|
#are there possible credentials in any shell history files
|
||
|
|
lse_test "fst200" "0" \
|
||
|
|
"Are there possible credentials in any shell history file?" \
|
||
|
|
'for h in .bash_history .history .histfile .zhistory; do [ -f "$lse_home/$h" ] && grep $lse_grep_opts -Ei "(user|username|login|pass|password|pw|credentials)[=: ][a-z0-9]+" "$lse_home/$h"; done'
|
||
|
|
|
||
|
|
#nfs exports with no_root_squash
|
||
|
|
lse_test "fst210" "0" \
|
||
|
|
"Are there NFS exports with 'no_root_squash' option?" \
|
||
|
|
'grep $lse_grep_opts "no_root_squash" /etc/exports'
|
||
|
|
|
||
|
|
#nfs exports with no_all_squash
|
||
|
|
lse_test "fst220" "1" \
|
||
|
|
"Are there NFS exports with 'no_all_squash' option?" \
|
||
|
|
'grep $lse_grep_opts "no_all_squash" /etc/exports'
|
||
|
|
|
||
|
|
#files owned by user
|
||
|
|
lse_test "fst500" "2" \
|
||
|
|
"Files owned by user '$lse_user'" \
|
||
|
|
'find / $lse_find_opts -user $lse_user -type f -exec ls -al {} \;'
|
||
|
|
|
||
|
|
#check for SSH files anywhere
|
||
|
|
lse_test "fst510" "2" \
|
||
|
|
"SSH files anywhere" \
|
||
|
|
'find / $lse_find_opts \( -name "*id_dsa*" -o -name "*id_rsa*" -o -name "known_hosts" -o -name "authorized_hosts" -o -name "authorized_keys" \) -exec ls -la {} \;'
|
||
|
|
|
||
|
|
#dump hosts.equiv file
|
||
|
|
lse_test "fst520" "2" \
|
||
|
|
"Check hosts.equiv file and its contents" \
|
||
|
|
'find /etc -iname hosts.equiv -exec ls -la {} 2>/dev/null \; -exec cat {} \;'
|
||
|
|
|
||
|
|
#list nfs shares
|
||
|
|
lse_test "fst530" "2" \
|
||
|
|
"List NFS server shares" \
|
||
|
|
'ls -la /etc/exports 2>/dev/null && cat /etc/exports'
|
||
|
|
|
||
|
|
#dump fstab
|
||
|
|
lse_test "fst540" "2" \
|
||
|
|
"Dump fstab file" \
|
||
|
|
'cat /etc/fstab'
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#######################################################################( system
|
||
|
|
lse_run_tests_system() {
|
||
|
|
lse_header "sys" "system"
|
||
|
|
|
||
|
|
#who is logged in
|
||
|
|
lse_test "sys000" "2" \
|
||
|
|
"Who is logged in" \
|
||
|
|
'w'
|
||
|
|
|
||
|
|
#last logged in users
|
||
|
|
lse_test "sys010" "2" \
|
||
|
|
"Last logged in users" \
|
||
|
|
'last'
|
||
|
|
|
||
|
|
#check if /etc/passwd has the hashes (old system)
|
||
|
|
lse_test "sys020" "0" \
|
||
|
|
"Does the /etc/passwd have hashes?" \
|
||
|
|
'grep -v "^[^:]*:[x]" /etc/passwd'
|
||
|
|
|
||
|
|
#check if /etc/group has group password hashes (old system)
|
||
|
|
lse_test "sys022" "0" \
|
||
|
|
"Does the /etc/group have hashes?" \
|
||
|
|
'grep -v "^[^:]*:[x]" /etc/group'
|
||
|
|
|
||
|
|
#check if we can read any shadow file
|
||
|
|
lse_test "sys030" "0" \
|
||
|
|
"Can we read shadow files?" \
|
||
|
|
'for sf in "shadow" "shadow-" "shadow~" "gshadow" "gshadow-" "master.passwd"; do [ -r "/etc/$sf" ] && printf "%s\n---\n" "/etc/$sf" && cat "/etc/$sf" && printf "\n\n";done'
|
||
|
|
|
||
|
|
#check for superuser accounts
|
||
|
|
lse_test "sys040" "1" \
|
||
|
|
"Check for other superuser accounts" \
|
||
|
|
'for u in $(cut -d: -f1 /etc/passwd); do [ $(id -u $u) = 0 ] && echo $u; done | grep -v root'
|
||
|
|
|
||
|
|
#can root log in via SSH
|
||
|
|
lse_test "sys050" "1" \
|
||
|
|
"Can root user log in via SSH?" \
|
||
|
|
'grep -E "^[[:space:]]*PermitRootLogin " /etc/ssh/sshd_config | grep -E "(yes|without-password|prohibit-password)"'
|
||
|
|
|
||
|
|
#list available shells
|
||
|
|
lse_test "sys060" "2" \
|
||
|
|
"List available shells" \
|
||
|
|
'cat /etc/shells'
|
||
|
|
|
||
|
|
#system umask
|
||
|
|
lse_test "sys070" "2" \
|
||
|
|
"System umask in /etc/login.defs" \
|
||
|
|
'grep "^UMASK" /etc/login.defs'
|
||
|
|
|
||
|
|
#system password policies
|
||
|
|
lse_test "sys080" "2" \
|
||
|
|
"System password policies in /etc/login.defs" \
|
||
|
|
'grep "^PASS_MAX_DAYS\|^PASS_MIN_DAYS\|^PASS_WARN_AGE\|^ENCRYPT_METHOD" /etc/login.defs'
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#####################################################################( security
|
||
|
|
lse_run_tests_security() {
|
||
|
|
lse_header "sec" "security"
|
||
|
|
|
||
|
|
#check if selinux is present
|
||
|
|
lse_test "sec000" "1" \
|
||
|
|
"Is SELinux present?" \
|
||
|
|
'sestatus'
|
||
|
|
|
||
|
|
#get all binaries with capabilities
|
||
|
|
lse_test "sec010" "1" \
|
||
|
|
"List files with capabilities" \
|
||
|
|
'getcap -r /' \
|
||
|
|
"" \
|
||
|
|
"lse_cap_bin"
|
||
|
|
|
||
|
|
#check if we can write an a binary with capabilities
|
||
|
|
lse_test "sec020" "0" \
|
||
|
|
"Can we write to a binary with caps?" \
|
||
|
|
'for b in $(printf "$lse_cap_bin\n" | cut -d" " -f1); do [ -w "$b" ] && echo "$b"; done'
|
||
|
|
|
||
|
|
#check if we have all capabilities in any binary
|
||
|
|
lse_test "sec030" "0" \
|
||
|
|
"Do we have all caps in any binary?" \
|
||
|
|
'printf "$lse_cap_bin\n" | grep -v "cap_"'
|
||
|
|
|
||
|
|
#search /etc/security/capability.conf for users associated capapilies
|
||
|
|
lse_test "sec040" "1" \
|
||
|
|
"Users with associated capabilities" \
|
||
|
|
'grep -v "^#\|none\|^$" /etc/security/capability.conf' \
|
||
|
|
"" \
|
||
|
|
"lse_user_caps"
|
||
|
|
|
||
|
|
#does user have capabilities
|
||
|
|
lse_test "sec050" "0" \
|
||
|
|
"Does current user have capabilities?" \
|
||
|
|
'printf "$lse_user_caps\n" | grep "$lse_user"' \
|
||
|
|
"sec040"
|
||
|
|
|
||
|
|
#can user read the auditd log
|
||
|
|
lse_test "sec060" "0" \
|
||
|
|
"Can we read the auditd log?" \
|
||
|
|
'al=/var/log/audit/audit.log; test -r "$al" && echo "tail $al:" && echo && tail "$al"'
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
##############################################################( recurrent tasks
|
||
|
|
lse_run_tests_recurrent_tasks() {
|
||
|
|
lse_header "ret" "recurrent tasks"
|
||
|
|
|
||
|
|
## CRON
|
||
|
|
#user crontab
|
||
|
|
lse_test "ret000" "1" \
|
||
|
|
"User crontab" \
|
||
|
|
'crontab -l | grep -Ev "^#"'
|
||
|
|
|
||
|
|
#cron tasks writable by user
|
||
|
|
lse_test "ret010" "0" \
|
||
|
|
"Cron tasks writable by user" \
|
||
|
|
'find -L /etc/cron* /etc/anacron /var/spool/cron -writable'
|
||
|
|
|
||
|
|
#list cron jobs
|
||
|
|
lse_test "ret020" "1" \
|
||
|
|
"Cron jobs" \
|
||
|
|
'grep -ERv "^(#|$)" /etc/crontab /etc/cron.d/ /etc/anacrontab'
|
||
|
|
|
||
|
|
#can we read other user crontabs?
|
||
|
|
lse_test "ret030" "1" \
|
||
|
|
"Can we read user crontabs" \
|
||
|
|
'ls -la /var/spool/cron/crontabs/*'
|
||
|
|
|
||
|
|
#can we list other user cron tasks? (you need privileges for this, so if you can something is fishy)
|
||
|
|
lse_test "ret040" "1" \
|
||
|
|
"Can we list other user cron tasks?" \
|
||
|
|
'for u in $(cut -d: -f 1 /etc/passwd); do [ "$u" != "$lse_user" ] && crontab -l -u "$u"; done'
|
||
|
|
|
||
|
|
#can we write to any paths present in cron tasks?
|
||
|
|
lse_test "ret050" "1" \
|
||
|
|
"Can we write to any paths present in cron jobs" \
|
||
|
|
'for p in `grep --color=never -hERoi "/[a-z0-9_/\.\-]+" /etc/cron* | grep -Ev "/dev/(null|zero|random|urandom)" | sort -u`; do [ -w "$p" ] && echo "$p"; done' \
|
||
|
|
"" \
|
||
|
|
"lse_user_writable_cron_paths"
|
||
|
|
|
||
|
|
#can we write to executable paths present in cron tasks?
|
||
|
|
lse_test "ret060" "0" \
|
||
|
|
"Can we write to executable paths present in cron jobs" \
|
||
|
|
'for uwcp in $lse_user_writable_cron_paths; do [ -w "$uwcp" ] && [ -x "$uwcp" ] && grep $lse_grep_opts -R "$uwcp" /etc/crontab /etc/cron.d/ /etc/anacrontab ; done' \
|
||
|
|
"ret050"
|
||
|
|
|
||
|
|
#list cron files
|
||
|
|
lse_test "ret400" "2" \
|
||
|
|
"Cron files" \
|
||
|
|
'ls -la /etc/cron*'
|
||
|
|
|
||
|
|
|
||
|
|
## Systemd Timers
|
||
|
|
#user timers
|
||
|
|
lse_test "ret500" "1" \
|
||
|
|
"User systemd timers" \
|
||
|
|
'systemctl --user list-timers --all | grep -iq "\.timer" && systemctl --user list-timers --all'
|
||
|
|
|
||
|
|
#can we write in any system timer?
|
||
|
|
lse_test "ret510" "0" \
|
||
|
|
"Can we write in any system timer?" \
|
||
|
|
'printf "$lse_user_writable\n" | grep -E "\.timer$"' \
|
||
|
|
"fst000"
|
||
|
|
|
||
|
|
#system timers
|
||
|
|
lse_test "ret900" "2" \
|
||
|
|
"Systemd timers" \
|
||
|
|
'systemctl list-timers --all'
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
######################################################################( network
|
||
|
|
lse_run_tests_network() {
|
||
|
|
lse_header "net" "network"
|
||
|
|
|
||
|
|
#services listening only on localhost
|
||
|
|
lse_test "net000" "1" \
|
||
|
|
"Services listening only on localhost" \
|
||
|
|
'(ss -tunlp || netstat -tunlp)2>/dev/null | grep "127.0.0.1:"'
|
||
|
|
|
||
|
|
#can we execute tcpdump
|
||
|
|
lse_test "net010" "0" \
|
||
|
|
"Can we sniff traffic with tcpdump?" \
|
||
|
|
'(tcpdump -i lo -n 2>&1 & pid=$!;sleep 0.2;kill $pid)2>/dev/null | grep -i "listening on lo"'
|
||
|
|
|
||
|
|
#nic information
|
||
|
|
lse_test "net500" "2" \
|
||
|
|
"NIC and IP information" \
|
||
|
|
'ifconfig -a || ip a'
|
||
|
|
|
||
|
|
#routing table
|
||
|
|
lse_test "net510" "2" \
|
||
|
|
"Routing table" \
|
||
|
|
'route -n || ip r'
|
||
|
|
|
||
|
|
#arp table
|
||
|
|
lse_test "net520" "2" \
|
||
|
|
"ARP table" \
|
||
|
|
'arp -an || ip n'
|
||
|
|
|
||
|
|
#nameservers
|
||
|
|
lse_test "net530" "2" \
|
||
|
|
"Nameservers" \
|
||
|
|
'grep "nameserver" /etc/resolv.conf'
|
||
|
|
|
||
|
|
#systemd nameservers
|
||
|
|
lse_test "net540" "2" \
|
||
|
|
"Systemd Nameservers" \
|
||
|
|
'systemd-resolve --status || systemd-resolve --user --status'
|
||
|
|
|
||
|
|
#listening TCP
|
||
|
|
lse_test "net550" "2" \
|
||
|
|
"Listening TCP" \
|
||
|
|
'netstat -tnlp || ss -tnlp'
|
||
|
|
|
||
|
|
#listening UDP
|
||
|
|
lse_test "net560" "2" \
|
||
|
|
"Listening UDP" \
|
||
|
|
'netstat -unlp || ss -unlp'
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#####################################################################( services
|
||
|
|
lse_run_tests_services() {
|
||
|
|
lse_header "srv" "services"
|
||
|
|
|
||
|
|
## System-V
|
||
|
|
#check write permissions in init.d/* inetd.conf xinetd.conf
|
||
|
|
lse_test "srv000" "0" \
|
||
|
|
"Can we write in service files?" \
|
||
|
|
'printf "$lse_user_writable\n" | grep -E "^/etc/(init/|init\.d/|rc\.d/|rc[0-9S]\.d/|rc\.local|inetd\.conf|xinetd\.conf|xinetd\.d/)"' \
|
||
|
|
"fst000"
|
||
|
|
|
||
|
|
#check write permissions for binaries involved in services
|
||
|
|
lse_test "srv010" "0" \
|
||
|
|
"Can we write in binaries executed by services?" \
|
||
|
|
'for b in $(grep -ERvh "^#" /etc/inetd.conf /etc/xinetd.conf /etc/xinetd.d/ /etc/init.d/ /etc/rc* 2>/dev/null | tr -s "[[:space:]]" "\n" | grep -E "^/" | grep -Ev "^/(dev|run|sys|proc|tmp)/" | sort -u); do [ -x "$b" ] && [ -w "$b" ] && echo "$b" done'
|
||
|
|
|
||
|
|
#init.d files NOT belonging to root
|
||
|
|
lse_test "srv020" "1" \
|
||
|
|
"Files in /etc/init.d/ not belonging to root" \
|
||
|
|
'find /etc/init.d/ \! -uid 0 -type f | xargs -r ls -la'
|
||
|
|
|
||
|
|
#rc.d/init.d files NOT belonging to root!
|
||
|
|
lse_test "srv030" "1" \
|
||
|
|
"Files in /etc/rc.d/init.d not belonging to root" \
|
||
|
|
'find /etc/rc.d/init.d \! -uid 0 -type f | xargs -r ls -la'
|
||
|
|
|
||
|
|
# upstart scripts not belonging to root
|
||
|
|
lse_test "srv040" "1" \
|
||
|
|
"Upstart files not belonging to root" \
|
||
|
|
'find /etc/init \! -uid 0 -type f | xargs -r ls -la'
|
||
|
|
|
||
|
|
#/usr/local/etc/rc.d files NOT belonging to root!
|
||
|
|
lse_test "srv050" "1" \
|
||
|
|
"Files in /usr/local/etc/rc.d not belonging to root" \
|
||
|
|
'find /usr/local/etc/rc.d \! -uid 0 -type f | xargs -r ls -la'
|
||
|
|
|
||
|
|
#contents of inetd.conf
|
||
|
|
lse_test "srv400" "2" \
|
||
|
|
"Contents of /etc/inetd.conf" \
|
||
|
|
'cat /etc/inetd.conf'
|
||
|
|
|
||
|
|
#xinetd info
|
||
|
|
lse_test "srv410" "2" \
|
||
|
|
"Contents of /etc/xinetd.conf" \
|
||
|
|
'cat /etc/xinetd.conf'
|
||
|
|
|
||
|
|
#check xinetd.d and permissions
|
||
|
|
lse_test "srv420" "2" \
|
||
|
|
"List /etc/xinetd.d if used" \
|
||
|
|
'grep "/etc/xinetd.d" /etc/xinetd.conf ; ls -la /etc/xinetd.d'
|
||
|
|
|
||
|
|
#permissions of init.d scripts
|
||
|
|
lse_test "srv430" "2" \
|
||
|
|
"List /etc/init.d/ permissions" \
|
||
|
|
'ls -la /etc/init.d'
|
||
|
|
|
||
|
|
#rc.d/init.d permissions
|
||
|
|
lse_test "srv440" "2" \
|
||
|
|
"List /etc/rc.d/init.d permissions" \
|
||
|
|
'ls -la /etc/rc.d/init.d'
|
||
|
|
|
||
|
|
#usr/rc.d permissions
|
||
|
|
lse_test "srv450" "2" \
|
||
|
|
"List /usr/local/etc/rc.d permissions" \
|
||
|
|
'ls -la /usr/local/etc/rc.d'
|
||
|
|
|
||
|
|
# init permissions
|
||
|
|
lse_test "srv460" "2" \
|
||
|
|
"List /etc/init/ permissions" \
|
||
|
|
'ls -la /etc/init/'
|
||
|
|
|
||
|
|
## Systemd
|
||
|
|
#check write permissions in systemd services
|
||
|
|
lse_test "srv500" "0" \
|
||
|
|
"Can we write in systemd service files?" \
|
||
|
|
'printf "$lse_user_writable\n" | grep -E "^/(etc/systemd/|lib/systemd/).+\.service$"' \
|
||
|
|
"fst000"
|
||
|
|
|
||
|
|
#check write permissions for binaries involved in systemd services
|
||
|
|
lse_test "srv510" "0" \
|
||
|
|
"Can we write in binaries executed by systemd services?" \
|
||
|
|
'for b in $(grep -ERh "^Exec" /etc/systemd/ /lib/systemd/ 2>/dev/null | tr "=" "\n" | tr -s "[[:space:]]" "\n" | grep -E "^/" | grep -Ev "^/(dev|run|sys|proc|tmp)/" | sort -u); do [ -x "$b" ] && [ -w "$b" ] && echo "$b" done'
|
||
|
|
|
||
|
|
# systemd files not belonging to root
|
||
|
|
lse_test "srv520" "1" \
|
||
|
|
"Systemd files not belonging to root" \
|
||
|
|
'find /lib/systemd/ /etc/systemd \! -uid 0 -type f | xargs -r ls -la'
|
||
|
|
|
||
|
|
# systemd permissions
|
||
|
|
lse_test "srv900" "2" \
|
||
|
|
"Systemd config files permissions" \
|
||
|
|
'ls -lthR /lib/systemd/ /etc/systemd/'
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#####################################################################( software
|
||
|
|
lse_run_tests_software() {
|
||
|
|
lse_header "sof" "software"
|
||
|
|
|
||
|
|
#checks to see if root/root will get us a connection
|
||
|
|
lse_test "sof000" "0" \
|
||
|
|
"Can we connect to MySQL with root/root credentials?" \
|
||
|
|
'mysqladmin -uroot -proot version'
|
||
|
|
|
||
|
|
#checks to see if we can connect as root without password
|
||
|
|
lse_test "sof010" "0" \
|
||
|
|
"Can we connect to MySQL as root without password?" \
|
||
|
|
'mysqladmin -uroot version'
|
||
|
|
|
||
|
|
#check if there are credentials stored in .mysql-history
|
||
|
|
lse_test "sof015" "0" \
|
||
|
|
"Are there credentials in mysql_history file?" \
|
||
|
|
'grep -Ei "(pass|identified by|md5\()" "$lse_home/.mysql_history"'
|
||
|
|
|
||
|
|
#checks to see if we can connect to postgres templates without password
|
||
|
|
lse_test "sof020" "0" \
|
||
|
|
"Can we connect to PostgreSQL template0 as postgres and no pass?" \
|
||
|
|
'psql -U postgres template0 -c "select version()" | grep version'
|
||
|
|
lse_test "sof020" "0" \
|
||
|
|
"Can we connect to PostgreSQL template1 as postgres and no pass?" \
|
||
|
|
'psql -U postgres template1 -c "select version()" | grep version'
|
||
|
|
lse_test "sof020" "0" \
|
||
|
|
"Can we connect to PostgreSQL template0 as psql and no pass?" \
|
||
|
|
'psql -U pgsql template0 -c "select version()" | grep version'
|
||
|
|
lse_test "sof020" "0" \
|
||
|
|
"Can we connect to PostgreSQL template1 as psql and no pass?" \
|
||
|
|
'psql -U pgsql template1 -c "select version()" | grep version'
|
||
|
|
|
||
|
|
#installed apache modules
|
||
|
|
lse_test "sof030" "1" \
|
||
|
|
"Installed apache modules" \
|
||
|
|
'apache2ctl -M; httpd -M'
|
||
|
|
|
||
|
|
#find htpassword files
|
||
|
|
lse_test "sof040" "0" \
|
||
|
|
"Found any .htpasswd files?" \
|
||
|
|
'find / $lse_find_opts -name "*.htpasswd" -print -exec cat {} \;'
|
||
|
|
|
||
|
|
#check if there are ssh private keys in ssh-agent
|
||
|
|
lse_test "sof050" "0" \
|
||
|
|
"Are there private keys in ssh-agent?" \
|
||
|
|
'ssh-add -l | grep -iv "agent has no identities"'
|
||
|
|
|
||
|
|
#check if there are gpg keys in gpg-agent
|
||
|
|
lse_test "sof060" "0" \
|
||
|
|
"Are there gpg keys cached in gpg-agent?" \
|
||
|
|
'gpg-connect-agent "keyinfo --list" /bye | grep "D - - 1"'
|
||
|
|
|
||
|
|
#check if there is a writable ssh-agent socket
|
||
|
|
lse_test "sof070" "0" \
|
||
|
|
"Can we write to a ssh-agent socket?" \
|
||
|
|
'for f in $lse_user_writable; do test -S "$f" && printf "$f" | grep -Ea "ssh-[A-Za-z0-9]+/agent\.[0-9]+"; done' \
|
||
|
|
"fst000"
|
||
|
|
|
||
|
|
#check if there is a writable gpg-agent socket
|
||
|
|
lse_test "sof080" "0" \
|
||
|
|
"Can we write to a gpg-agent socket?" \
|
||
|
|
'for f in $lse_user_writable; do test -S "$f" && printf "$f" | grep -a "gpg-agent"; done' \
|
||
|
|
"fst000"
|
||
|
|
|
||
|
|
#find keepass database files
|
||
|
|
lse_test "sof090" "0" \
|
||
|
|
"Found any keepass database files?" \
|
||
|
|
'find / $lse_find_opts -regextype egrep -iregex ".*\.kdbx?" -readable -type f -print'
|
||
|
|
|
||
|
|
#find pass database files
|
||
|
|
lse_test "sof100" "0" \
|
||
|
|
"Found any 'pass' store directories?" \
|
||
|
|
'find / $lse_find_opts -name ".password-store" -readable -type d -print'
|
||
|
|
|
||
|
|
#check if any tmux session is active
|
||
|
|
lse_test "sof110" "0" \
|
||
|
|
"Are there any tmux sessions available?" \
|
||
|
|
'tmux list-sessions'
|
||
|
|
|
||
|
|
#check for all tmux sessions for other users
|
||
|
|
lse_test "sof120" "1" \
|
||
|
|
"Are there any tmux sessions from other users?" \
|
||
|
|
'find /tmp -type d -regex "/tmp/tmux-[0-9]+" ! -user $lse_user'
|
||
|
|
|
||
|
|
#check if we have write access to other users tmux sessions
|
||
|
|
lse_test "sof130" "0" \
|
||
|
|
"Can we write to tmux session sockets from other users?" \
|
||
|
|
'find /tmp -writable -type s -regex "/tmp/tmux-[0-9]+/.+" ! -user $lse_user -exec ls -l {} +'
|
||
|
|
|
||
|
|
#check if there is any active screen session
|
||
|
|
lse_test "sof140" "0" \
|
||
|
|
"Are any screen sessions available?" \
|
||
|
|
'screen -ls >/dev/null && screen -ls'
|
||
|
|
|
||
|
|
#find other users screen sessions
|
||
|
|
lse_test "sof150" "1" \
|
||
|
|
"Are there any screen sessions from other users?" \
|
||
|
|
'find /run/screen -type d -regex "/run/screen/S-.+" ! -user $lse_user'
|
||
|
|
|
||
|
|
#find writable screen session sockets from other users
|
||
|
|
lse_test "sof160" "0" \
|
||
|
|
"Can we write to screen session sockets from other users?" \
|
||
|
|
'find /run/screen -type s -writable -regex "/run/screen/S-.+/.+" ! -user $lse_user -exec ls -l {} +'
|
||
|
|
|
||
|
|
#sudo version - check to see if there are any known vulnerabilities with this
|
||
|
|
lse_test "sof500" "2" \
|
||
|
|
"Sudo version" \
|
||
|
|
'sudo -V | grep "Sudo version"'
|
||
|
|
|
||
|
|
#mysql details - if installed
|
||
|
|
lse_test "sof510" "2" \
|
||
|
|
"MySQL version" \
|
||
|
|
'mysql --version'
|
||
|
|
|
||
|
|
#postgres details - if installed
|
||
|
|
lse_test "sof520" "2" \
|
||
|
|
"Postgres version" \
|
||
|
|
'psql -V'
|
||
|
|
|
||
|
|
#apache details - if installed
|
||
|
|
lse_test "sof530" "2" \
|
||
|
|
"Apache version" \
|
||
|
|
'apache2 -v; httpd -v'
|
||
|
|
|
||
|
|
#check tmux version
|
||
|
|
lse_test "sof540" "2" \
|
||
|
|
"Tmux version" \
|
||
|
|
'tmux -V'
|
||
|
|
|
||
|
|
#check screen version
|
||
|
|
lse_test "sof550" "2" \
|
||
|
|
"Screen version" \
|
||
|
|
'screen -v'
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
###################################################################( containers
|
||
|
|
lse_run_tests_containers() {
|
||
|
|
lse_header "ctn" "containers"
|
||
|
|
|
||
|
|
#check to see if we are in a docker container
|
||
|
|
lse_test "ctn000" "1" \
|
||
|
|
"Are we in a docker container?" \
|
||
|
|
'grep -i docker /proc/self/cgroup; find / $lse_find_opts -name "*dockerenv*" -exec ls -la {} \;'
|
||
|
|
|
||
|
|
#check to see if current host is running docker services
|
||
|
|
lse_test "ctn010" "1" \
|
||
|
|
"Is docker available?" \
|
||
|
|
'docker --version; docker ps -a; docker images'
|
||
|
|
|
||
|
|
#is user a member of the docker group
|
||
|
|
lse_test "ctn020" "0" \
|
||
|
|
"Is the user a member of the 'docker' group?" \
|
||
|
|
'groups | grep -o docker'
|
||
|
|
|
||
|
|
#check to see if we are in an lxc container
|
||
|
|
lse_test "ctn200" "1" \
|
||
|
|
"Are we in a lxc container?" \
|
||
|
|
'grep -a container=lxc /proc/1/environ | tr -d "\0"'
|
||
|
|
|
||
|
|
#is user a member of any lxd/lxc group
|
||
|
|
lse_test "ctn210" "0" \
|
||
|
|
"Is the user a member of any lxc/lxd group?" \
|
||
|
|
'groups | grep $lse_grep_opts "lxc\|lxd"'
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
####################################################################( processes
|
||
|
|
lse_run_tests_processes() {
|
||
|
|
lse_header "pro" "processes"
|
||
|
|
|
||
|
|
#wait for the process monitor to finish gathering data
|
||
|
|
lse_test "pro000" "2" \
|
||
|
|
"Waiting for the process monitor to finish" \
|
||
|
|
'while [ ! -s "$lse_procmon_data" ]; do sleep 1; done; cat "$lse_procmon_data"'\
|
||
|
|
"" \
|
||
|
|
"lse_procs"
|
||
|
|
|
||
|
|
#look for the paths of the process binaries
|
||
|
|
lse_test "pro001" "2" \
|
||
|
|
"Retrieving process binaries" \
|
||
|
|
'printf "%s" "$lse_procs" | cut -d" " -f5 | sort -u | xargs -r which' \
|
||
|
|
"pro000" \
|
||
|
|
'lse_proc_bin'
|
||
|
|
|
||
|
|
#look for the users running the
|
||
|
|
lse_test "pro002" "2" \
|
||
|
|
"Retrieving process users" \
|
||
|
|
'printf "%s" "$lse_procs" | cut -d" " -f4 | sort -u' \
|
||
|
|
"pro000" \
|
||
|
|
'lse_proc_users'
|
||
|
|
|
||
|
|
#check if we have write permissions in any process binary
|
||
|
|
lse_test "pro010" "0" \
|
||
|
|
"Can we write in any process binary?" \
|
||
|
|
'for b in $lse_proc_bin; do [ -w "$b" ] && echo $b; done'\
|
||
|
|
"pro001"
|
||
|
|
|
||
|
|
#list processes running as root
|
||
|
|
lse_test "pro020" "1" \
|
||
|
|
"Processes running with root permissions" \
|
||
|
|
'printf "%s" "$lse_procs" | grep -E "^[^ ]+ [^ ]+ [^ ]+ root" | lse_proc_print' \
|
||
|
|
"pro000"
|
||
|
|
|
||
|
|
#list processes running as users with shell
|
||
|
|
lse_test "pro030" "1" \
|
||
|
|
"Processes running by non-root users with shell" \
|
||
|
|
'for user in `printf "%s\n" "$lse_shell_users" | cut -d: -f1 | grep -v root`; do printf "%s" "$lse_proc_users" | grep -qE "(^| )$user( |\$)" && printf "\n\n------ $user ------\n\n\n" && printf "%s" "$lse_procs" | grep -E "^[^ ]+ [^ ]+ [^ ]+ $user" | lse_proc_print; done' \
|
||
|
|
"usr030 pro000 pro002"
|
||
|
|
|
||
|
|
#running processes
|
||
|
|
lse_test "pro500" "2" \
|
||
|
|
"Running processes" \
|
||
|
|
'printf "%s\n" "$lse_procs" | lse_proc_print' \
|
||
|
|
"pro000"
|
||
|
|
|
||
|
|
#list running process binaries and their permissions
|
||
|
|
lse_test "pro510" "2" \
|
||
|
|
"Running process binaries and permissions" \
|
||
|
|
'printf "%s\n" "$lse_proc_bin" | xargs ls -l' \
|
||
|
|
"pro001"
|
||
|
|
}
|
||
|
|
#
|
||
|
|
##)
|
||
|
|
|
||
|
|
#( Main
|
||
|
|
while getopts "hcCil:e:p:s:S" option; do
|
||
|
|
case "${option}" in
|
||
|
|
c) lse_color=false; lse_grep_opts='--color=never';;
|
||
|
|
C) lse_alt_color=true;;
|
||
|
|
e) lse_exclude_paths "${OPTARG}";;
|
||
|
|
i) lse_interactive=false;;
|
||
|
|
l) lse_set_level "${OPTARG}";;
|
||
|
|
s) lse_selection="`printf \"%s\" \"${OPTARG}\"|sed 's/,/ /g'`";;
|
||
|
|
p) lse_proc_time="${OPTARG}";;
|
||
|
|
S) lse_serve; exit $?;;
|
||
|
|
h) lse_help; exit 0;;
|
||
|
|
*) lse_help; exit 1;;
|
||
|
|
esac
|
||
|
|
done
|
||
|
|
|
||
|
|
#trap to exec on SIGINT
|
||
|
|
trap "lse_exit 1" 2
|
||
|
|
|
||
|
|
# use alternative color scheme
|
||
|
|
$lse_alt_color && lse_recolor
|
||
|
|
|
||
|
|
lse_request_information
|
||
|
|
lse_show_info
|
||
|
|
PATH="$PATH:/sbin:/usr/sbin" #fix path just in case
|
||
|
|
|
||
|
|
lse_procmon &
|
||
|
|
(sleep "$lse_proc_time"; rm -f "$lse_procmon_lock") &
|
||
|
|
|
||
|
|
lse_run_tests_users
|
||
|
|
lse_run_tests_sudo
|
||
|
|
lse_run_tests_filesystem
|
||
|
|
lse_run_tests_system
|
||
|
|
lse_run_tests_security
|
||
|
|
lse_run_tests_recurrent_tasks
|
||
|
|
lse_run_tests_network
|
||
|
|
lse_run_tests_services
|
||
|
|
lse_run_tests_software
|
||
|
|
lse_run_tests_containers
|
||
|
|
lse_run_tests_processes
|
||
|
|
|
||
|
|
lse_exit 0
|
||
|
|
#)
|