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Update sshpwd-lxde-iiab.sh

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A Holt 2020-10-11 00:10:47 -04:00 • committed by GitHub
parent 8584d78704
commit 7cb881f4bf
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1 changed files with 16 additions and 12 deletions
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roles/iiab-admin/templates/sshpwd-lxde-iiab.sh
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@ -1,12 +1,20 @@
#!/bin/bash #!/bin/bash
export TEXTDOMAIN=pprompt-iiab # SEE ALSO: /etc/profile.d/sshpwd-profile-iiab.sh sourced from...
# https://github.com/iiab/iiab/blob/master/roles/iiab-admin/templates/sshpwd-profile-iiab.sh
. gettext.sh # For Localization/Translation: (use /usr/bin/gettext below if later nec!)
#export TEXTDOMAIN=pprompt-iiab
#. gettext.sh
# https://github.com/raspberrypi-ui/pam/blob/master/etc/profile.d/sshpwd.sh
# https://github.com/raspberrypi-ui/pprompt/blob/master/sshpwd.sh
# bash syntax "function check_user_pwd() {" was removed, as it prevented all # bash syntax "function check_user_pwd() {" was removed, as it prevented all
# lightdm/graphical logins (incl autologin) on Raspbian: #1252 -> PR #1253 # lightdm/graphical logins (incl autologin) on Raspbian: #1252 -> PR #1253
check_user_pwd() { check_user_pwd() {
id -u $1 > /dev/null 2>&1 || return 2 # FORCE ERROR if no such user
# *BUT* overall bash script still returns exit code 0 ("success")
# $meth (hashing method) is typically '6' which implies 5000 rounds # $meth (hashing method) is typically '6' which implies 5000 rounds
# of SHA-512 per /etc/login.defs -> /etc/pam.d/common-password # of SHA-512 per /etc/login.defs -> /etc/pam.d/common-password
meth=$(sudo grep "^$1:" /etc/shadow | cut -d: -f2 | cut -d$ -f2) meth=$(sudo grep "^$1:" /etc/shadow | cut -d: -f2 | cut -d$ -f2)
@ -15,14 +23,10 @@ check_user_pwd() {
[ $(python3 -c "import crypt; print(crypt.crypt('$2', '\$$meth\$$salt'))") == "\$$meth\$$salt\$$hash" ] [ $(python3 -c "import crypt; print(crypt.crypt('$2', '\$$meth\$$salt'))") == "\$$meth\$$salt\$$hash" ]
} }
# Credit to the folks at the Raspberry Pi Foundation #grep -q "^PasswordAuthentication\s\+no\b" /etc/ssh/sshd_config && exit
check_hash() { #systemctl is-active {{ sshd_service }} || exit
if ! id -u {{ iiab_admin_user }} > /dev/null 2> &1 ; then return 0 ; fi # iiab-admin
if grep -q "^PasswordAuthentication\s\+no\b" /etc/ssh/sshd_config ; then return 0 ; fi
if check_user_pwd "{{ iiab_admin_user }}" "{{ iiab_admin_published_pwd }}" ; then
zenity --warning --width=600 --text="SSH is enabled and the published password is in use by user '{{ iiab_admin_user }}'.\n\nTHIS IS A SECURITY RISK - please change its password using IIAB's Admin Console (http://box.lan/admin) -> Utilities -> Change Password.\n\nSee 'What are the default passwords?' at http://FAQ.IIAB.IO"
fi
}
systemctl is-active {{ sshd_service }} > /dev/null && check_hash if check_user_pwd "{{ iiab_admin_user }}" "{{ iiab_admin_published_pwd }}" ; then # iiab-admin
unset check_hash zenity --warning --width=600 --text="Published password in use by user '{{ iiab_admin_user }}'.\n\nTHIS IS A SECURITY RISK - please change its password using IIAB's Admin Console (http://box.lan/admin) -> Utilities -> Change Password.\n\nSee 'What are the default passwords?' at http://FAQ.IIAB.IO"
#zenity --warning --width=600 --text="SSH is enabled and the published password is in use by user '{{ iiab_admin_user }}'.\n\nTHIS IS A SECURITY RISK - please change its password using IIAB's Admin Console (http://box.lan/admin) -> Utilities -> Change Password.\n\nSee 'What are the default passwords?' at http://FAQ.IIAB.IO"
fi