FunctionalHacker/mkinitcpio-dropbear
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Format scripts with shfmt

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This commit is contained in:
Marko Korhonen 2024-05-09 11:02:40 +03:00
parent 7aa6142adb
commit 3599220815
Signed by: FunctionalHacker
GPG key ID: A7F78BCB859CD890
2 changed files with 66 additions and 70 deletions
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14
dropbear_hook
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@ -1,16 +1,14 @@
#!/bin/sh #!/bin/sh
run_hook () run_hook() {
{ [ -d /dev/pts ] || mkdir -p /dev/pts
[ -d /dev/pts ] || mkdir -p /dev/pts mount -t devpts devpts /dev/pts
mount -t devpts devpts /dev/pts
echo "Starting dropbear" echo "Starting dropbear"
/usr/sbin/dropbear -E -s -j -k /usr/sbin/dropbear -E -s -j -k
} }
run_cleanuphook () run_cleanuphook() {
{
umount /dev/pts umount /dev/pts
rm -R /dev/pts rm -R /dev/pts
if [ -f /var/run/dropbear.pid ]; then if [ -f /var/run/dropbear.pid ]; then

122
dropbear_install
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@ -1,97 +1,95 @@
#!/bin/sh #!/bin/sh
get_fingerprint() { get_fingerprint() {
keyfile="$1" keyfile="$1"
dropbearkey -y -f "${keyfile}" | sed -n '/^Fingerprint:/ {s/Fingerprint: *//; p}' dropbearkey -y -f "${keyfile}" | sed -n '/^Fingerprint:/ {s/Fingerprint: *//; p}'
} }
display_fingerprints() { display_fingerprints() {
keyfile keyfile
for keyfile in "/etc/dropbear/dropbear_rsa_host_key" "/etc/dropbear/dropbear_ecdsa_host_key" ; do for keyfile in "/etc/dropbear/dropbear_rsa_host_key" "/etc/dropbear/dropbear_ecdsa_host_key"; do
if [ -s "${keyfile}" ] ; then if [ -s "${keyfile}" ]; then
echo "$(basename "${keyfile}") : $(get_fingerprint "${keyfile}")" echo "$(basename "${keyfile}") : $(get_fingerprint "${keyfile}")"
fi fi
done done
} }
copy_openssh_keys() { copy_openssh_keys() {
osshrsa="/etc/ssh/ssh_host_rsa_key" osshrsa="/etc/ssh/ssh_host_rsa_key"
osshecdsa="/etc/ssh/ssh_host_ecdsa_key" osshecdsa="/etc/ssh/ssh_host_ecdsa_key"
dbpre="/etc/dropbear/dropbear_" dbpre="/etc/dropbear/dropbear_"
return_code=1 return_code=1
if [ -s "$osshrsa" ]; then if [ -s "$osshrsa" ]; then
dropbearconvert openssh dropbear $osshrsa ${dbpre}rsa_host_key dropbearconvert openssh dropbear $osshrsa ${dbpre}rsa_host_key
return_code=0 return_code=0
fi fi
if [ -s "$osshecdsa" ]; then if [ -s "$osshecdsa" ]; then
dropbearconvert openssh dropbear $osshecdsa ${dbpre}ecdsa_host_key dropbearconvert openssh dropbear $osshecdsa ${dbpre}ecdsa_host_key
return_code=0 return_code=0
fi fi
return $return_code return $return_code
} }
generate_keys() { generate_keys() {
keyfile keytype keyfile keytype
for keytype in rsa ecdsa ; do for keytype in rsa ecdsa; do
keyfile="/etc/dropbear/dropbear_${keytype}_host_key" keyfile="/etc/dropbear/dropbear_${keytype}_host_key"
if [ ! -s "$keyfile" ]; then if [ ! -s "$keyfile" ]; then
echo "Generating ${keytype} host key for dropbear ..." echo "Generating ${keytype} host key for dropbear ..."
dropbearkey -t "${keytype}" -f "${keyfile}" dropbearkey -t "${keytype}" -f "${keyfile}"
fi fi
done done
} }
build () build() {
{ #
# # Begin real processing
# Begin real processing #
#
# Are we even needed? # Are we even needed?
if [ ! -r "/etc/dropbear/root_key" ] || [ ! -s "/etc/dropbear/root_key" ]; then if [ ! -r "/etc/dropbear/root_key" ] || [ ! -s "/etc/dropbear/root_key" ]; then
echo "There is no root key in /etc/dropbear/root_key existent; exit" echo "There is no root key in /etc/dropbear/root_key existent; exit"
return 0 return 0
fi fi
# if TMPDIR is set leave it alone otherwise set # if TMPDIR is set leave it alone otherwise set
[ -z "$TMPDIR" ] && TMPDIR='/tmp/dropbear_initrd_encrypt' [ -z "$TMPDIR" ] && TMPDIR='/tmp/dropbear_initrd_encrypt'
# check if TMPDIR exsists if not make it # check if TMPDIR exsists if not make it
[ -d "$TMPDIR" ] || mkdir -p "$TMPDIR" [ -d "$TMPDIR" ] || mkdir -p "$TMPDIR"
umask 0022 umask 0022
[ -d /etc/dropbear ] && mkdir -p /etc/dropbear [ -d /etc/dropbear ] && mkdir -p /etc/dropbear
copy_openssh_keys || generate_keys copy_openssh_keys || generate_keys
display_fingerprints display_fingerprints
add_checked_modules "/drivers/net/" add_checked_modules "/drivers/net/"
add_binary "rm" add_binary "rm"
add_binary "killall" add_binary "killall"
add_binary "dropbear" add_binary "dropbear"
add_dir "/root/.ssh" add_dir "/root/.ssh"
cat /etc/dropbear/root_key > "${BUILDROOT}"/root/.ssh/authorized_keys cat /etc/dropbear/root_key >"${BUILDROOT}"/root/.ssh/authorized_keys
add_full_dir "/etc/dropbear" add_full_dir "/etc/dropbear"
add_file "/lib/libnss_files.so.2" add_file "/lib/libnss_files.so.2"
add_dir "/var/run" add_dir "/var/run"
add_dir "/var/log" add_dir "/var/log"
touch "${BUILDROOT}"/var/log/lastlog touch "${BUILDROOT}"/var/log/lastlog
add_runscript add_runscript
} }
help () help() {
{ cat <<HELPEOF
cat<<HELPEOF
This hook is meant to be used in conjunction with mkinitcpio-netconf and/or This hook is meant to be used in conjunction with mkinitcpio-netconf and/or
mkinitcpio-ppp. It DOES NOT provide any default shell. It will only install mkinitcpio-ppp. It DOES NOT provide any default shell. It will only install
and start dropbear on early userspace. In the package mkinitcpio-utils you and start dropbear on early userspace. In the package mkinitcpio-utils you