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#!/bin/bash
# This tool is used to verify folders critical to ZoneMinder exist and have the right permissions.
# It will also create symlinks when necessary. It can use an existing content folder or create a new one.
# Set the content dir default to be the one supplied to cmake
ZM_PATH_CONTENT="@ZM_CONTENTDIR@"
# Set the zoneminder log dir default to be the one supplied to cmake
ZM_LOGDIR="@ZM_LOGDIR@"
# Set the zoneminder temp dir default to be the one supplied to cmake
ZM_TMPDIR="@ZM_TMPDIR@"
echo "*** This bash script creates the nessecary symlinks for the zoneminder content"
echo "*** It can use an existing content folder or create a new one"
echo "*** For usage: use -h"
echo "*** The default content directory is: $ZM_PATH_CONTENT"
echo "*** The default log directory is: $ZM_LOGDIR"
echo "*** The default temp directory is: $ZM_TMPDIR"
echo ""
usage()
{
cat <<EOF
Usage: $0 [-q] [-o] [-z zm.conf] [-w WEB DIRECTORY] [-l LOG DIRECTORY] [-t TMP DIRECTORY] [CONTENT DIRECTORY]
OPTIONS:
-h Show this message and quit
-z ZoneMinder configuration file
-w Override the web directory from zm.conf
-q Quick mode. Do not change ownership recursively.
-l Override the zm log folder location
-t Override the zm temp folder location
-o Enable old legacy symlinks inside ZoneMinder's webroot folder
If the -w option is not used to specify the path to the web directory,
the script will use the path from zoneminder's configuration file.
If the -z option is used, the argument will be used instead of zm.conf
Otherwise, it will attempt to read zm.conf from the local directory.
If that fails, it will try from /etc/zm.conf
Newer versions of ZoneMinder no longer require symlinks to the events and
images folders inside the zm webroot. Indeed this is a security risk, and
$0 will no longer create these unless the -o option is specified.
EOF
}
while getopts "hz:w:q:l:t:o" OPTION
do
case $OPTION in
h)
usage
exit 50
;;
z)
ZM_CONFIG=$OPTARG
;;
w)
ZM_PATH_WEB_FORCE=$OPTARG
;;
q)
QUICK=1
;;
l)
ZM_LOGDIR_FORCE=$OPTARG
;;
t)
ZM_TMPDIR_FORCE=$OPTARG
;;
o)
LEGACY=1
;;
esac
done
shift $(( OPTIND - 1 ))
# Lets check that we are root
if [ "$(id -u)" != "0" ]; then
echo "Error: This script needs to run as root."
exit 1
fi
# Check if zm.conf was supplied as an argument and that it exists
if [[ -n "$ZM_CONFIG" && ! -f "$ZM_CONFIG" ]]; then
echo "The zoneminder configuration file $ZM_CONFIG does not exist!"
exit 40
fi
# Load zm.conf
for zmconf in "$ZM_CONFIG" ./zm.conf /etc/zm.conf /etc/zoneminder/zm.conf; do
if [[ -f "$zmconf" ]]; then
echo "Using $zmconf"
source "$zmconf"
# remove filename from path
zmconf2="${zmconf%/*}"
# source conf.d
for i in $(find "${zmconf2}/conf.d" -name \*.conf |sort); do . "$i"; done;
break
fi
done
if [[ -z "$zmconf2" ]]; then
echo -e "Failed locating zoneminder configuration file (zm.conf)\nUse the -z option to specify the full path to the zoneminder configuration file"
exit 45
fi
# Override the web directory path from zm.conf
if [ -n "$ZM_PATH_WEB_FORCE" ]; then
ZM_PATH_WEB="$(readlink -f $ZM_PATH_WEB_FORCE)"
fi
# Override the log directory path
if [ -n "$ZM_LOGDIR_FORCE" ]; then
ZM_LOGDIR="$(readlink -f $ZM_LOGDIR_FORCE)"
fi
# Override the tmp directory path
if [ -n "$ZM_TMPDIR_FORCE" ]; then
ZM_TMPDIR="$(readlink -f $ZM_TMPDIR_FORCE)"
fi
# Override the default content path
if [[ -n "$@" ]]; then
ZM_PATH_CONTENT="$(readlink -f $@)"
fi
# Print some information
echo "Web folder : $ZM_PATH_WEB"
echo "Content folder : $ZM_PATH_CONTENT"
echo "Log folder : $ZM_LOGDIR"
echo "Temp folder : $ZM_TMPDIR"
echo ""
# Verify the web folder is a real directory
echo -n "Verifying the web folder is a directory... "
if [ -d "$ZM_PATH_WEB" ]; then
echo "OK"
else
echo "Failed"
exit 2
fi
# Check if the content folder exists, and if not, create it
echo -n "Checking if the content folder exists... "
if [ -d "$ZM_PATH_CONTENT" ]; then
echo "Yes"
else
echo "No"
echo -n "Creating the content folder... "
mkdir "$ZM_PATH_CONTENT"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 3
fi
fi
# Check if the log folder exists, and if not, create the entire folder including its parents
echo -n "Checking if the log folder exists... "
if [ -d "$ZM_LOGDIR" ]; then
echo "Yes"
else
echo "No"
echo -n "Creating the log folder... "
mkdir -p "$ZM_LOGDIR"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 4
fi
fi
# Check if the temp folder exists, and if not, create the entire folder including its parents
echo -n "Checking if the temp folder exists... "
if [ -d "$ZM_TMPDIR" ]; then
echo "Yes"
else
echo "No"
echo -n "Creating the temp folder... "
mkdir -p "$ZM_TMPDIR"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 5
fi
fi
# Check if the content/images folder exists, and if not, create it
echo -n "Checking if the images folder exists inside the content folder... "
if [ -d "$ZM_PATH_CONTENT/images" ]; then
echo "Yes"
else
echo "No"
echo -n "Creating the images folder inside the content folder... "
mkdir "$ZM_PATH_CONTENT/images"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 6
fi
fi
# Check if the content/events folder exists, and if not, create it
echo -n "Checking if the events folder exists inside the content folder... "
if [ -d "$ZM_PATH_CONTENT/events" ]; then
echo "Yes"
else
echo "No"
echo -n "Creating the events folder inside the content folder... "
mkdir "$ZM_PATH_CONTENT/events"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 7
fi
fi
if [ -d "$ZM_PATH_WEB/images" ]; then
if [ -L "$ZM_PATH_WEB/images" ]; then
echo -n "Unlinking current symlink for the images folder... "
unlink "$ZM_PATH_WEB/images"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 35
fi
else
echo "Existing $ZM_PATH_WEB/images is not a symlink. Aborting to prevent data loss"
exit 10
fi
fi
if [ -d "$ZM_PATH_WEB/events" ]; then
if [ -L "$ZM_PATH_WEB/events" ]; then
echo -n "Unlinking current symlink for the events folder... "
unlink "$ZM_PATH_WEB/events"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 36
fi
else
echo "Existing $ZM_PATH_WEB/events is not a symlink. Aborting to prevent data loss"
exit 11
fi
fi
if [ -n "$LEGACY" ]; then
# Create the symlink for the images folder
echo -n "Creating the symlink for the images folder... "
ln -s -f "$ZM_PATH_CONTENT/images" "$ZM_PATH_WEB/images"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 15
fi
# Create the symlink for the events folder
echo -n "Creating the symlink for the events folder... "
ln -s -f "$ZM_PATH_CONTENT/events" "$ZM_PATH_WEB/events"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 16
fi
fi
# change ownership for the images folder. do it recursively unless -q is used
if [ -n "$QUICK" ]; then
echo -n "Changing ownership of the images folder to ${ZM_WEB_USER} ${ZM_WEB_GROUP}... "
chown ${ZM_WEB_USER}:${ZM_WEB_GROUP} "$ZM_PATH_CONTENT/images"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 20
fi
else
echo -n "Changing ownership of the images folder recursively to ${ZM_WEB_USER} ${ZM_WEB_GROUP}... "
chown -R ${ZM_WEB_USER}:${ZM_WEB_GROUP} "$ZM_PATH_CONTENT/images"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 21
fi
fi
# change ownership for the events folder. do it recursively unless -q is used
if [ -n "$QUICK" ]; then
echo -n "Changing ownership of the events folder to ${ZM_WEB_USER} ${ZM_WEB_GROUP}... "
chown ${ZM_WEB_USER}:${ZM_WEB_GROUP} "$ZM_PATH_CONTENT/events"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 23
fi
else
echo -n "Changing ownership of the events folder recursively to ${ZM_WEB_USER} ${ZM_WEB_GROUP}... "
chown -R ${ZM_WEB_USER}:${ZM_WEB_GROUP} "$ZM_PATH_CONTENT/events"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 24
fi
fi
# change ownership for the log folder. do it recursively unless -q is used
if [ -n "$QUICK" ]; then
echo -n "Changing ownership of the log folder to ${ZM_WEB_USER} ${ZM_WEB_GROUP}... "
chown ${ZM_WEB_USER}:${ZM_WEB_GROUP} "$ZM_LOGDIR"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 25
fi
else
echo -n "Changing ownership of the log folder recursively to ${ZM_WEB_USER} ${ZM_WEB_GROUP}... "
chown -R ${ZM_WEB_USER}:${ZM_WEB_GROUP} "$ZM_LOGDIR"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 26
fi
fi
# change ownership for the temp folder. do it recursively unless -q is used
if [ -n "$QUICK" ]; then
echo -n "Changing ownership of the temp folder to ${ZM_WEB_USER} ${ZM_WEB_GROUP}... "
chown ${ZM_WEB_USER}:${ZM_WEB_GROUP} "$ZM_TMPDIR"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 27
fi
else
echo -n "Changing ownership of the temp folder recursively to ${ZM_WEB_USER} ${ZM_WEB_GROUP}... "
chown -R ${ZM_WEB_USER}:${ZM_WEB_GROUP} "$ZM_TMPDIR"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 28
fi
fi
# Change directory permissions for the images folder
echo -n "Changing permissions of the images folder to 775... "
chmod 775 "$ZM_PATH_CONTENT/images"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 30
fi
# Change directory permissions for the events folder
echo -n "Changing permissions of the events folder to 775... "
chmod 775 "$ZM_PATH_CONTENT/events"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 31
fi
# Change directory permissions for the log folder
echo -n "Changing permissions of the log folder to 775... "
chmod 775 "$ZM_LOGDIR"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 32
fi
# Change directory permissions for the temp folder
echo -n "Changing permissions of the temp folder to 775... "
chmod 775 "$ZM_TMPDIR"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 33
fi
# Link the CakePHP tmp folder to the zoneminder temp folder
echo -n "Linking CakePHP tmp folder to ${ZM_TMPDIR}... "
ln -sfT "$ZM_TMPDIR" "$ZM_PATH_WEB/api/app/tmp"
if [ "$?" = "0" ]; then
echo "OK"
else
echo "Failed"
exit 40
fi
echo ""
echo "All done"
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