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added last login toggle #82

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merged 2 commits into from
Sep 16, 2024
Merged

added last login toggle #82

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4fea757
added last login toggle
Sep 15, 2024
f53fc1b
Merge branch 'main' into 78-task-add-enable-disable-lastlog-when-conn…
Tearran Sep 15, 2024
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28 changes: 27 additions & 1 deletion lib/armbian-configng/config.ng.jobs.json
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Original file line number Diff line number Diff line change
Expand Up @@ -214,7 +214,33 @@
"src_reference": "",
"author": "Igor Pecovnik",
"condition": "grep -q '^ChallengeResponseAuthentication yes' /etc/ssh/sshd_config && [ -f /root/.google_authenticator ]"
}
},
{
"id": "S30",
"description": "Disable last login banner",
"command": [
"sed -i \"s/^#\\?PrintLastLog.*/PrintLastLog no/\" /etc/ssh/sshd_config" ,
"systemctl restart ssh.service "
],
"status": "Active",
"doc_link": "",
"src_reference": "",
"author": "",
"condition": "grep -q '^PrintLastLog yes' /etc/ssh/sshd_config"
},
{
"id": "S31",
"description": "Enable last login banner",
"command": [
"sed -i \"s/^#\\?PrintLastLog.*/PrintLastLog yes/\" /etc/ssh/sshd_config" ,
"systemctl restart ssh.service "
],
"status": "Active",
"doc_link": "",
"src_reference": "",
"author": "",
"condition": "grep -q '^PrintLastLog no' /etc/ssh/sshd_config"
}
]
},
{
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30 changes: 30 additions & 0 deletions lib/armbian-configng/config.ng.system.sh
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Expand Up @@ -175,4 +175,34 @@ if [[ "$1" == "enable" ]]; then
fi
# reboot is mandatory
reboot
}


module_options+=(
["toggle_ssh_lastlog,author"]="tearran"
["toggle_ssh_lastlog,ref_link"]=""
["toggle_ssh_lastlog,feature"]="toggle_ssh_lastlog"
["toggle_ssh_lastlog,desc"]="Toggle SSH lastlog"
["toggle_ssh_lastlog,example"]="toggle_ssh_lastlog"
["toggle_ssh_lastlog,status"]="Active"
)
#
# @description Toggle SSH lastlog
#
function toggle_ssh_lastlog(){

if ! grep -q '^#\?PrintLastLog ' "${SDCARD}/etc/ssh/sshd_config"; then
# If PrintLastLog is not found, append it with the value 'yes'
echo 'PrintLastLog no' >> "${SDCARD}/etc/ssh/sshd_config"
sudo service ssh restart
else
# If PrintLastLog is found, toggle between 'yes' and 'no'
sed -i '/^#\?PrintLastLog /{
s/PrintLastLog yes/PrintLastLog no/;
t;
s/PrintLastLog no/PrintLastLog yes/
}' "${SDCARD}/etc/ssh/sshd_config"
sudo service ssh restart
fi

}
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