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shellcheck improvements

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Jaroslaw Wencel 2022-08-28 22:34:07 +02:00 committed by Jaroslaw Wencel
parent f3bd2d9d42
commit f123787dc6
3 changed files with 34 additions and 33 deletions
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20
setup/bootstrap.sh
View File

@ -19,12 +19,12 @@ if [ -z "$TAG" ]; then
# want to display in status checks. # want to display in status checks.
# #
# Allow point-release versions of the major releases, e.g. 22.04.1 is OK. # Allow point-release versions of the major releases, e.g. 22.04.1 is OK.
UBUNTU_VERSION=$( lsb_release -d | sed 's/.*:\s*//' | sed 's/\([0-9]*\.[0-9]*\)\.[0-9]/\1/' )" UBUNTU_VERSION=$( lsb_release -d | sed 's/.*:\s*//' | sed 's/\([0-9]*\.[0-9]*\)\.[0-9]/\1/' )
if [ "$UBUNTU_VERSION" == "Ubuntu 22.04 LTS" ]; then if [[ "$UBUNTU_VERSION" == "Ubuntu 22.04 LTS" ]]; then
# This machine is running Ubuntu 22.04, which is supported by # This machine is running Ubuntu 22.04, which is supported by
# Mail-in-a-Box versions 60 and later. # Mail-in-a-Box versions 60 and later.
TAG=v60 TAG=v60
elif [ "$UBUNTU_VERSION" == "Ubuntu 18.04 LTS" ]; then elif [[ "$UBUNTU_VERSION" == "Ubuntu 18.04 LTS" ]]; then
# This machine is running Ubuntu 18.04, which is supported by # This machine is running Ubuntu 18.04, which is supported by
# Mail-in-a-Box versions 0.40 through 5x. # Mail-in-a-Box versions 0.40 through 5x.
echo "Support is ending for Ubuntu 18.04." echo "Support is ending for Ubuntu 18.04."
@ -32,7 +32,7 @@ if [ -z "$TAG" ]; then
echo "a new machine running Ubuntu 22.04. See:" echo "a new machine running Ubuntu 22.04. See:"
echo "https://mailinabox.email/maintenance.html#upgrade" echo "https://mailinabox.email/maintenance.html#upgrade"
TAG=v57a TAG=v57a
elif [ "$UBUNTU_VERSION" == "Ubuntu 14.04 LTS" ]; then elif [[ "$UBUNTU_VERSION" == "Ubuntu 14.04 LTS" ]]; then
# This machine is running Ubuntu 14.04, which is supported by # This machine is running Ubuntu 14.04, which is supported by
# Mail-in-a-Box versions 1 through v0.30. # Mail-in-a-Box versions 1 through v0.30.
echo "Ubuntu 14.04 is no longer supported." echo "Ubuntu 14.04 is no longer supported."
@ -51,7 +51,7 @@ if [[ $EUID -ne 0 ]]; then
fi fi
# Clone the Mail-in-a-Box repository if it doesn't exist. # Clone the Mail-in-a-Box repository if it doesn't exist.
if [ ! -d $HOME/mailinabox ]; then if [[ ! -d "$HOME/mailinabox" ]]; then
if [ ! -f /usr/bin/git ]; then if [ ! -f /usr/bin/git ]; then
echo Installing git . . . echo Installing git . . .
apt-get -q -q update apt-get -q -q update
@ -59,22 +59,22 @@ if [ ! -d $HOME/mailinabox ]; then
echo echo
fi fi
echo Downloading Mail-in-a-Box $TAG. . . echo "Downloading Mail-in-a-Box $TAG . . ."
git clone \ git clone \
-b $TAG --depth 1 \ -b $TAG --depth 1 \
https://github.com/mail-in-a-box/mailinabox \ https://github.com/mail-in-a-box/mailinabox \
$HOME/mailinabox \ "$HOME/mailinabox" \
< /dev/null 2> /dev/null < /dev/null 2> /dev/null
echo echo
fi fi
# Change directory to it. # Change directory to it.
cd $HOME/mailinabox cd "$HOME/mailinabox" || exit
# Update it. # Update it.
if [ "$TAG" != $(git describe) ]; then if [[ "$TAG" != $(git describe) ]]; then
echo Updating Mail-in-a-Box to $TAG . . . echo "Updating Mail-in-a-Box to $TAG . . ."
git fetch --depth 1 --force --prune origin tag $TAG git fetch --depth 1 --force --prune origin tag $TAG
if ! git checkout -q $TAG; then if ! git checkout -q $TAG; then
echo "Update failed. Did you modify something in $(pwd)?" echo "Update failed. Did you modify something in $(pwd)?"

11
setup/dkim.sh
View File

@ -6,6 +6,7 @@
# #
# The DNS configuration for DKIM is done in the management daemon. # The DNS configuration for DKIM is done in the management daemon.
# shellcheck source=./functions.sh
source setup/functions.sh # load our functions source setup/functions.sh # load our functions
source /etc/mailinabox.conf # load global vars source /etc/mailinabox.conf # load global vars
@ -15,7 +16,7 @@ apt_install opendkim opendkim-tools opendmarc
# Make sure configuration directories exist. # Make sure configuration directories exist.
mkdir -p /etc/opendkim; mkdir -p /etc/opendkim;
mkdir -p $STORAGE_ROOT/mail/dkim mkdir -p "$STORAGE_ROOT/mail/dkim"
# Used in InternalHosts and ExternalIgnoreList configuration directives. # Used in InternalHosts and ExternalIgnoreList configuration directives.
# Not quite sure why. # Not quite sure why.
@ -52,13 +53,13 @@ fi
# A 1024-bit key is seen as a minimum standard by several providers # A 1024-bit key is seen as a minimum standard by several providers
# such as Google. But they and others use a 2048 bit key, so we'll # such as Google. But they and others use a 2048 bit key, so we'll
# do the same. Keys beyond 2048 bits may exceed DNS record limits. # do the same. Keys beyond 2048 bits may exceed DNS record limits.
if [ ! -f "$STORAGE_ROOT/mail/dkim/mail.private" ]; then if [[ ! -f "$STORAGE_ROOT/mail/dkim/mail.private" ]]; then
opendkim-genkey -b 2048 -r -s mail -D $STORAGE_ROOT/mail/dkim opendkim-genkey -b 2048 -r -s mail -D "$STORAGE_ROOT/mail/dkim"
fi fi
# Ensure files are owned by the opendkim user and are private otherwise. # Ensure files are owned by the opendkim user and are private otherwise.
chown -R opendkim:opendkim $STORAGE_ROOT/mail/dkim chown -R opendkim:opendkim "$STORAGE_ROOT/mail/dkim"
chmod go-rwx $STORAGE_ROOT/mail/dkim chmod go-rwx "$STORAGE_ROOT/mail/dkim"
tools/editconf.py /etc/opendmarc.conf -s \ tools/editconf.py /etc/opendmarc.conf -s \
"Syslog=true" \ "Syslog=true" \

36
setup/functions.sh
View File

@ -28,13 +28,13 @@ function hide_output {
echo echo
echo FAILED: "$@" echo FAILED: "$@"
echo ----------------------------------------- echo -----------------------------------------
cat $OUTPUT cat "$OUTPUT"
echo ----------------------------------------- echo -----------------------------------------
exit $E exit $E
fi fi
# Remove temporary file. # Remove temporary file.
rm -f $OUTPUT rm -f "$OUTPUT"
} }
function apt_get_quiet { function apt_get_quiet {
@ -78,7 +78,7 @@ function get_publicip_from_web_service {
# #
# Pass '4' or '6' as an argument to this function to specify # Pass '4' or '6' as an argument to this function to specify
# what type of address to get (IPv4, IPv6). # what type of address to get (IPv4, IPv6).
curl -$1 --fail --silent --max-time 15 icanhazip.com 2>/dev/null || /bin/true curl -"$1" --fail --silent --max-time 15 icanhazip.com 2>/dev/null || /bin/true
} }
function get_default_privateip { function get_default_privateip {
@ -121,19 +121,19 @@ function get_default_privateip {
if [ "$1" == "6" ]; then target=2001:4860:4860::8888; fi if [ "$1" == "6" ]; then target=2001:4860:4860::8888; fi
# Get the route information. # Get the route information.
route=$(ip -$1 -o route get $target 2>/dev/null | grep -v unreachable) route=$(ip -"$1" -o route get $target 2>/dev/null | grep -v unreachable)
# Parse the address out of the route information. # Parse the address out of the route information.
address=$(echo $route | sed "s/.* src \([^ ]*\).*/\1/") address=$(echo "$route" | sed "s/.* src \([^ ]*\).*/\1/")
if [[ "$1" == "6" && $address == fe80:* ]]; then if [[ "$1" == "6" && $address == fe80:* ]]; then
# For IPv6 link-local addresses, parse the interface out # For IPv6 link-local addresses, parse the interface out
# of the route information and append it with a '%'. # of the route information and append it with a '%'.
interface=$(echo $route | sed "s/.* dev \([^ ]*\).*/\1/") interface=$(echo "$route" | sed "s/.* dev \([^ ]*\).*/\1/")
address=$address%$interface address=$address%$interface
fi fi
echo $address echo "$address"
} }
function ufw_allow { function ufw_allow {
@ -151,7 +151,7 @@ function ufw_limit {
} }
function restart_service { function restart_service {
hide_output service $1 restart hide_output service "$1" restart
} }
## Dialog Functions ## ## Dialog Functions ##
@ -180,7 +180,7 @@ function input_menu {
declare -n result_code=$4_EXITCODE declare -n result_code=$4_EXITCODE
local IFS=^$'\n' local IFS=^$'\n'
set +e set +e
result=$(dialog --stdout --title "$1" --menu "$2" 0 0 0 $3) result=$(dialog --stdout --title "$1" --menu "$2" 0 0 0 "$3")
result_code=$? result_code=$?
set -e set -e
} }
@ -192,17 +192,17 @@ function wget_verify {
HASH=$2 HASH=$2
DEST=$3 DEST=$3
CHECKSUM="$HASH $DEST" CHECKSUM="$HASH $DEST"
rm -f $DEST rm -f "$DEST"
hide_output wget -O $DEST $URL hide_output wget -O "$DEST" "$URL"
if ! echo "$CHECKSUM" | sha1sum --check --strict > /dev/null; then if ! echo "$CHECKSUM" | sha1sum --check --strict > /dev/null; then
echo "------------------------------------------------------------" echo "------------------------------------------------------------"
echo "Download of $URL did not match expected checksum." echo "Download of $URL did not match expected checksum."
echo "Found:" echo "Found:"
sha1sum $DEST sha1sum "$DEST"
echo echo
echo "Expected:" echo "Expected:"
echo "$CHECKSUM" echo "$CHECKSUM"
rm -f $DEST rm -f "$DEST"
exit 1 exit 1
fi fi
} }
@ -218,9 +218,9 @@ function git_clone {
SUBDIR=$3 SUBDIR=$3
TARGETPATH=$4 TARGETPATH=$4
TMPPATH=/tmp/git-clone-$$ TMPPATH=/tmp/git-clone-$$
rm -rf $TMPPATH $TARGETPATH rm -rf "$TMPPATH" "$TARGETPATH"
git clone -q $REPO $TMPPATH || exit 1 git clone -q "$REPO" "$TMPPATH" || exit 1
(cd $TMPPATH; git checkout -q $TREEISH;) || exit 1 (cd "$TMPPATH" && git checkout -q "$TREEISH") || exit 1
mv $TMPPATH/$SUBDIR $TARGETPATH mv "$TMPPATH/$SUBDIR" "$TARGETPATH"
rm -rf $TMPPATH rm -rf "$TMPPATH"
} }