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Server : Apache/2.4.41 (Ubuntu) System : Linux wpfpm 5.4.0-1133-kvm #142-Ubuntu SMP Fri May 2 19:51:44 UTC 2025 x86_64 User : wpmodel1 ( 1034) PHP Version : 7.4.3-4ubuntu2.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory : /snap/core20/2599/bin/ |
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#!/bin/sh
set -eu
# taken from the openssh-server.postinst
get_config_option() {
option="$1"
[ -f /etc/ssh/sshd_config ] || return
# TODO: actually only one '=' allowed after option
awk -v option=$option 'tolower($1) == tolower(option) {print $2}' \
/etc/ssh/sshd_config
}
host_keys_required() {
hostkeys="$(get_config_option HostKey)"
if [ "$hostkeys" ]; then
echo "$hostkeys"
else
# No HostKey directives at all, so the server picks some
# defaults.
echo /etc/ssh/ssh_host_rsa_key
echo /etc/ssh/ssh_host_dsa_key
echo /etc/ssh/ssh_host_ecdsa_key
echo /etc/ssh/ssh_host_ed25519_key
fi
}
create_key() {
msg="$1"
shift
hostkeys="$1"
shift
file="$1"
shift
if echo "$hostkeys" | grep -x "$file" >/dev/null && \
[ ! -f "$file" ] ; then
printf "%s" "$msg"
ssh-keygen -q -f "$file" -N '' "$@"
echo
if which restorecon >/dev/null 2>&1; then
restorecon "$file" "$file.pub"
fi
ssh-keygen -l -f "$file.pub"
sync
fi
}
create_keys() {
hostkeys="$(host_keys_required)"
create_key "Creating SSH2 RSA key; this may take some time ..." \
"$hostkeys" /etc/ssh/ssh_host_rsa_key -t rsa
create_key "Creating SSH2 DSA key; this may take some time ..." \
"$hostkeys" /etc/ssh/ssh_host_dsa_key -t dsa
create_key "Creating SSH2 ECDSA key; this may take some time ..." \
"$hostkeys" /etc/ssh/ssh_host_ecdsa_key -t ecdsa
create_key "Creating SSH2 ED25519 key; this may take some time ..." \
"$hostkeys" /etc/ssh/ssh_host_ed25519_key -t ed25519
}
create_keys