Franscobec/AutoremakeSSH
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Change replacement method + remove useless stuff

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Franscobec
2026-01-31 21:13:56 -05:00
parent 3d3c5fd7a7
commit fb91ede9b5
1 changed files with 15 additions and 17 deletions
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32
autoremakekeys.sh
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@@ -1,17 +1,11 @@
#!/bin/bash
NO_FORMAT="\e[0m"
F_BOLD="\e[1m"
C_GREEN="\e[38;5;40m"
C_RED="\e[38;5;9m"
C_YELLOW="\033[38;5;226m"
NF="\e[0m"
CR="\e[38;5;9m"
USER=$(getent passwd 1000 | cut -d: -f1)
echo -e "${C_YELLOW}WARNING: Script is meant to be run in an automated manner. Avoid running in terminal.${NO_FORMAT}"
sleep 2
#Verify if root
if [ "$UID" -ne 0 ]; then
echo -e "${C_RED}This script must be run as root.${NO_FORMAT}"
echo -e "${CR}This script must be run as root.${NF}"
exit 1
fi
##Generate keys
@@ -19,22 +13,26 @@ mkdir /.SSH/automated/.temp
ssh-keygen -f /.SSH/automated/.temp/id_ed25519 -N "" &&
rm /.SSH/automated/priv/servers/id_ed25519
rm /.SSH/automated/pub/servers/id_ed25519.pub
cp /.SSH/automated/.temp/id_ed25519 /.SSH/automated/priv/servers/
cp /.SSH/automated/.temp/id_ed25519.pub /.SSH/automated/pub/servers/
sha256sum /.SSH/automated/.temp/id_ed25519 | awk '{print $1}' | tee /home/$USER/sshprov/priv
sha256sum /.SSH/automated/.temp/id_ed25519.pub | awk '{print $1}' | tee /home/$USER/sshprov/pub
/.SSH/automated/.temp/id_ed25519 > /.SSH/automated/priv/servers/
/.SSH/automated/.temp/id_ed25519.pub > /.SSH/automated/pub/servers/
sha256sum /.SSH/automated/.temp/id_ed25519 | awk '{print $1}' > /home/$USER/sshprov/priv
sha256sum /.SSH/automated/.temp/id_ed25519.pub | awk '{print $1}' > /home/$USER/sshprov/pub
sleep 2
rm -rf /.SSH/automated/.temp/
##Attribute to self & restart sshd
rm /home/$USER/.ssh/known_hosts
rm /root/.ssh/known_hosts
cat /.SSH/automated/priv/servers/id_ed25519 | tee /root/.ssh/id_ed25519
cat /.SSH/automated/pub/servers/id_ed25519.pub | tee /root/.ssh/authorized_keys &&
rm /root/.ssh/id_ed25519
rm /root/.ssh/authorized_keys
/.SSH/automated/priv/servers/id_ed25519 > /root/.ssh/id_ed25519
/.SSH/automated/pub/servers/id_ed25519.pub > /root/.ssh/authorized_keys &&
chmod 700 /root/.ssh/id_ed25519
chmod 644 /root/.ssh/authorized_keys
cat /.SSH/automated/priv/servers/id_ed25519 | tee /home/$USER/.ssh/id_ed25519
cat /.SSH/automated/pub/servers/id_ed25519.pub | tee /home/$USER/.ssh/authorized_keys &&
rm /home/$USER/.ssh/id_ed25519
rm /home/$USER/.ssh/authorized_keys
/.SSH/automated/priv/servers/id_ed25519 > /home/$USER/.ssh/id_ed25519
/.SSH/automated/pub/servers/id_ed25519.pub > /home/$USER/.ssh/authorized_keys &&
chmod 700 /home/$USER/.ssh
chmod 600 /home/$USER/.ssh/id_ed25519
chmod 600 /home/$USER/.ssh/authorized_keys