if systemd-analyze --help | grep -qw 'cat-config'; then

systemd-analyze --no-pager cat-config "$@"

echo

else

echo "${aoi}~~~~~~~~~~~~~~~~"

cat "$@" "$1".d/*

echo "${aoi}~~~~~~~~~~~~~~~~"

echo "${red}warning: ${green}The systemd version on the current operating system is too low."

echo "${red}warning: ${green}Please consider to upgrade the systemd or the operating system.${reset}"

echo

fi

# If you want to run as another user, please modify $UID to be owned by this user

if [[ "$UID" -ne '0' ]]; then

echo "WARNING: The user currently executing this script is not root. You may encounter the insufficient privilege error."

read -r -p "Are you sure you want to continue? [y/n] " cont_without_been_root

if [[ x"${cont_without_been_root:0:1}" = x'y' ]]; then

echo "Continuing the installation with current user..."

else

echo "Not running with root, exiting..."

exit 1

fi

fi

if [[ "$(uname)" == 'Linux' ]]; then

case "$(uname -m)" in

'i386' | 'i686')

MACHINE='32'

;;

'amd64' | 'x86_64')

MACHINE='64'

;;

'armv5tel')

MACHINE='arm32-v5'

;;

'armv6l')

MACHINE='arm32-v6'

grep Features /proc/cpuinfo | grep -qw 'vfp' || MACHINE='arm32-v5'

;;

'armv7' | 'armv7l')

MACHINE='arm32-v7a'

grep Features /proc/cpuinfo | grep -qw 'vfp' || MACHINE='arm32-v5'

;;

'armv8' | 'aarch64')

MACHINE='arm64-v8a'

;;

'mips')

MACHINE='mips32'

;;

'mipsle')

MACHINE='mips32le'

;;

'mips64')

MACHINE='mips64'

;;

'mips64le')

MACHINE='mips64le'

;;

'ppc64')

MACHINE='ppc64'

;;

'ppc64le')

MACHINE='ppc64le'

;;

'riscv64')

MACHINE='riscv64'

;;

's390x')

MACHINE='s390x'

;;

*)

echo "error: The architecture is not supported."

exit 1

;;

esac

if [[ ! -f '/etc/os-release' ]]; then

echo "error: Don't use outdated Linux distributions."

exit 1

fi

# Do not combine this judgment condition with the following judgment condition.

## Be aware of Linux distribution like Gentoo, which kernel supports switch between Systemd and OpenRC.

### Refer: https://github.com/v2fly/fhs-install-v2ray/issues/84#issuecomment-688574989

if [[ -f /.dockerenv ]] || grep -q 'docker\|lxc' /proc/1/cgroup && [[ "$(type -P systemctl)" ]]; then

true

elif [[ -d /run/systemd/system ]] || grep -q systemd <(ls -l /sbin/init); then

true

else

echo "error: Only Linux distributions using systemd are supported."

exit 1

fi

if [[ "$(type -P apt)" ]]; then

PACKAGE_MANAGEMENT_INSTALL='apt -y --no-install-recommends install'

PACKAGE_MANAGEMENT_REMOVE='apt purge'

package_provide_tput='ncurses-bin'

elif [[ "$(type -P dnf)" ]]; then

PACKAGE_MANAGEMENT_INSTALL='dnf -y install'

PACKAGE_MANAGEMENT_REMOVE='dnf remove'

package_provide_tput='ncurses'

elif [[ "$(type -P yum)" ]]; then

PACKAGE_MANAGEMENT_INSTALL='yum -y install'

PACKAGE_MANAGEMENT_REMOVE='yum remove'

package_provide_tput='ncurses'

elif [[ "$(type -P zypper)" ]]; then

PACKAGE_MANAGEMENT_INSTALL='zypper install -y --no-recommends'

PACKAGE_MANAGEMENT_REMOVE='zypper remove'

package_provide_tput='ncurses-utils'

elif [[ "$(type -P pacman)" ]]; then

PACKAGE_MANAGEMENT_INSTALL='pacman -Syu --noconfirm'

PACKAGE_MANAGEMENT_REMOVE='pacman -Rsn'

package_provide_tput='ncurses'

else

echo "error: The script does not support the package manager in this operating system."

exit 1

fi

else

echo "error: This operating system is not supported."

exit 1

fi

while [[ "$#" -gt '0' ]]; do

case "$1" in

'--remove')

if [[ "$#" -gt '1' ]]; then

echo 'error: Please enter the correct parameters.'

exit 1

fi

REMOVE='1'

;;

'--version')

VERSION="${2:?error: Please specify the correct version.}"

break

;;

'-c' | '--check')

CHECK='1'

break

;;

'-f' | '--force')

FORCE='1'

break

;;

'-h' | '--help')

HELP='1'

break

;;

'-l' | '--local')

LOCAL_INSTALL='1'

LOCAL_FILE="${2:?error: Please specify the correct local file.}"

break

;;

'-p' | '--proxy')

if [[ -z "${2:?error: Please specify the proxy server address.}" ]]; then

exit 1

fi

PROXY="$2"

shift

;;

*)

echo "$0: unknown option -- -"

exit 1

;;

esac

shift

done

package_name="$1"

file_to_detect="$2"

type -P "$file_to_detect" > /dev/null 2>&1 && return

if ${PACKAGE_MANAGEMENT_INSTALL} "$package_name"; then

echo "info: $package_name is installed."

else

echo "error: Installation of $package_name failed, please check your network."

exit 1

fi

if /usr/local/bin/v2ray -version > /dev/null 2>&1; then

VERSION="$(/usr/local/bin/v2ray -version | awk 'NR==1 {print $2}')"

else

VERSION="$(/usr/local/bin/v2ray version | awk 'NR==1 {print $2}')"

fi

CURRENT_VERSION="v${VERSION#v}"

# 0: Install or update V2Ray.

# 1: Installed or no new version of V2Ray.

# 2: Install the specified version of V2Ray.

if [[ -n "$VERSION" ]]; then

RELEASE_VERSION="v${VERSION#v}"

return 2

fi

# Determine the version number for V2Ray installed from a local file

if [[ -f '/usr/local/bin/v2ray' ]]; then

get_current_version

if [[ "$LOCAL_INSTALL" -eq '1' ]]; then

RELEASE_VERSION="$CURRENT_VERSION"

return

fi

fi

# Get V2Ray release version number

TMP_FILE="$(mktemp)"

if ! curl -x "${PROXY}" -sS -i -H "Accept: application/vnd.github.v3+json" -o "$TMP_FILE" 'https://api.github.com/repos/v2fly/v2ray-core/releases/latest'; then

"rm" "$TMP_FILE"

echo 'error: Failed to get release list, please check your network.'

exit 1

fi

HTTP_STATUS_CODE=$(awk 'NR==1 {print $2}' "$TMP_FILE")

if [[ $HTTP_STATUS_CODE -lt 200 ]] || [[ $HTTP_STATUS_CODE -gt 299 ]]; then

"rm" "$TMP_FILE"

echo "error: Failed to get release list, GitHub API response code: $HTTP_STATUS_CODE"

exit 1

fi

RELEASE_LATEST="$(sed 'y/,/\n/' "$TMP_FILE" | grep 'tag_name' | awk -F '"' '{print $4}')"

"rm" "$TMP_FILE"

RELEASE_VERSION="v${RELEASE_LATEST#v}"

# Compare V2Ray version numbers

if [[ "$RELEASE_VERSION" != "$CURRENT_VERSION" ]]; then

RELEASE_VERSIONSION_NUMBER="${RELEASE_VERSION#v}"

RELEASE_MAJOR_VERSION_NUMBER="${RELEASE_VERSIONSION_NUMBER%%.*}"

RELEASE_MINOR_VERSION_NUMBER="$(echo "$RELEASE_VERSIONSION_NUMBER" | awk -F '.' '{print $2}')"

RELEASE_MINIMUM_VERSION_NUMBER="${RELEASE_VERSIONSION_NUMBER##*.}"

# shellcheck disable=SC2001

CURRENT_VERSION_NUMBER="$(echo "${CURRENT_VERSION#v}" | sed 's/-.*//')"

CURRENT_MAJOR_VERSION_NUMBER="${CURRENT_VERSION_NUMBER%%.*}"

CURRENT_MINOR_VERSION_NUMBER="$(echo "$CURRENT_VERSION_NUMBER" | awk -F '.' '{print $2}')"

CURRENT_MINIMUM_VERSION_NUMBER="${CURRENT_VERSION_NUMBER##*.}"

if [[ "$RELEASE_MAJOR_VERSION_NUMBER" -gt "$CURRENT_MAJOR_VERSION_NUMBER" ]]; then

return 0

elif [[ "$RELEASE_MAJOR_VERSION_NUMBER" -eq "$CURRENT_MAJOR_VERSION_NUMBER" ]]; then

if [[ "$RELEASE_MINOR_VERSION_NUMBER" -gt "$CURRENT_MINOR_VERSION_NUMBER" ]]; then

return 0

elif [[ "$RELEASE_MINOR_VERSION_NUMBER" -eq "$CURRENT_MINOR_VERSION_NUMBER" ]]; then

if [[ "$RELEASE_MINIMUM_VERSION_NUMBER" -gt "$CURRENT_MINIMUM_VERSION_NUMBER" ]]; then

return 0

else

return 1

fi

else

return 1

fi

else

return 1

fi

elif [[ "$RELEASE_VERSION" == "$CURRENT_VERSION" ]]; then

return 1

fi

DOWNLOAD_LINK="https://github.com/v2fly/v2ray-core/releases/download/$RELEASE_VERSION/v2ray-linux-$MACHINE.zip"

echo "Downloading V2Ray archive: $DOWNLOAD_LINK"

if ! curl -x "${PROXY}" -R -H 'Cache-Control: no-cache' -o "$ZIP_FILE" "$DOWNLOAD_LINK"; then

echo 'error: Download failed! Please check your network or try again.'

return 1

fi

echo "Downloading verification file for V2Ray archive: $DOWNLOAD_LINK.dgst"

if ! curl -x "${PROXY}" -sSR -H 'Cache-Control: no-cache' -o "$ZIP_FILE.dgst" "$DOWNLOAD_LINK.dgst"; then

echo 'error: Download failed! Please check your network or try again.'

return 1

fi

if [[ "$(cat "$ZIP_FILE".dgst)" == 'Not Found' ]]; then

echo 'error: This version does not support verification. Please replace with another version.'

return 1

fi

# Verification of V2Ray archive

CHECKSUM=$(awk -F '= ' '/256=/ {print $2}' < "${ZIP_FILE}.dgst")

LOCALSUM=$(sha256sum "$ZIP_FILE" | awk '{printf $1}')

if [[ "$CHECKSUM" != "$LOCALSUM" ]]; then

echo 'error: SHA256 check failed! Please check your network or try again.'

return 1

fi

if ! unzip -q "$1" -d "$TMP_DIRECTORY"; then

echo 'error: V2Ray decompression failed.'

"rm" -r "$TMP_DIRECTORY"

echo "removed: $TMP_DIRECTORY"

exit 1

fi

echo "info: Extract the V2Ray package to $TMP_DIRECTORY and prepare it for installation."

NAME="$1"

if [[ "$NAME" == 'v2ray' ]] || [[ "$NAME" == 'v2ctl' ]]; then

# Make sure the directory exists (sometimes it doesn't, e.g., EdgeRouter)

mkdir -p '/usr/local/bin'

install -m 755 "${TMP_DIRECTORY}/$NAME" "/usr/local/bin/$NAME"

elif [[ "$NAME" == 'geoip.dat' ]] || [[ "$NAME" == 'geosite.dat' ]]; then

install -m 644 "${TMP_DIRECTORY}/$NAME" "${DAT_PATH}/$NAME"

fi

# Install V2Ray binary to /usr/local/bin/ and $DAT_PATH

install_file v2ray

if [[ -f "${TMP_DIRECTORY}/v2ctl" ]]; then

install_file v2ctl

else

if [[ -f '/usr/local/bin/v2ctl' ]]; then

rm '/usr/local/bin/v2ctl'

fi

fi

install -d "$DAT_PATH"

# If the file exists, geoip.dat and geosite.dat will not be installed or updated

if [[ ! -f "${DAT_PATH}/.undat" ]]; then

install_file geoip.dat

install_file geosite.dat

fi

# Install V2Ray configuration file to $JSON_PATH

# shellcheck disable=SC2153

if [[ -z "$JSONS_PATH" ]] && [[ ! -d "$JSON_PATH" ]]; then

install -d "$JSON_PATH"

echo "{}" > "${JSON_PATH}/config.json"

CONFIG_NEW='1'

fi

# Install V2Ray configuration file to $JSONS_PATH

if [[ -n "$JSONS_PATH" ]] && [[ ! -d "$JSONS_PATH" ]]; then

install -d "$JSONS_PATH"

for BASE in 00_log 01_api 02_dns 03_routing 04_policy 05_inbounds 06_outbounds 07_transport 08_stats 09_reverse; do

echo '{}' > "${JSONS_PATH}/${BASE}.json"

done

CONFDIR='1'

fi

# Used to store V2Ray log files

if [[ ! -d '/var/log/v2ray/' ]]; then

if id nobody | grep -qw 'nogroup'; then

install -d -m 700 -o nobody -g nogroup /var/log/v2ray/

install -m 600 -o nobody -g nogroup /dev/null /var/log/v2ray/access.log

install -m 600 -o nobody -g nogroup /dev/null /var/log/v2ray/error.log

else

install -d -m 700 -o nobody -g nobody /var/log/v2ray/

install -m 600 -o nobody -g nobody /dev/null /var/log/v2ray/access.log

install -m 600 -o nobody -g nobody /dev/null /var/log/v2ray/error.log

fi

LOG='1'

fi

get_current_version

if [[ "$(echo "${CURRENT_VERSION#v}" | sed 's/-.*//' | awk -F'.' '{print $1}')" -gt "4" ]]; then

START_COMMAND="/usr/local/bin/v2ray run"

else

START_COMMAND="/usr/local/bin/v2ray"

fi

install -m 644 "${TMP_DIRECTORY}/systemd/system/v2ray.service" /etc/systemd/system/v2ray.service

install -m 644 "${TMP_DIRECTORY}/systemd/system/[email protected]" /etc/systemd/system/[email protected]

mkdir -p '/etc/systemd/system/v2ray.service.d'

mkdir -p '/etc/systemd/system/[email protected]/'

if [[ -n "$JSONS_PATH" ]]; then

"rm" -f '/etc/systemd/system/v2ray.service.d/10-donot_touch_single_conf.conf' \

'/etc/systemd/system/[email protected]/10-donot_touch_single_conf.conf'

echo "# In case you have a good reason to do so, duplicate this file in the same directory and make your customizes there.

ExecStart=${START_COMMAND} -confdir $JSONS_PATH" |

tee '/etc/systemd/system/v2ray.service.d/10-donot_touch_multi_conf.conf' > '/etc/systemd/system/[email protected]/10-donot_touch_multi_conf.conf'

else

"rm" -f '/etc/systemd/system/v2ray.service.d/10-donot_touch_multi_conf.conf' \

'/etc/systemd/system/[email protected]/10-donot_touch_multi_conf.conf'

echo "# In case you have a good reason to do so, duplicate this file in the same directory and make your customizes there.

ExecStart=${START_COMMAND} -config ${JSON_PATH}/config.json" > '/etc/systemd/system/v2ray.service.d/10-donot_touch_single_conf.conf'

echo "# In case you have a good reason to do so, duplicate this file in the same directory and make your customizes there.

ExecStart=${START_COMMAND} -config ${JSON_PATH}/%i.json" > '/etc/systemd/system/[email protected]/10-donot_touch_single_conf.conf'

fi

echo "info: Systemd service files have been installed successfully!"

echo "${red}warning: ${green}The following are the actual parameters for the v2ray service startup."

echo "${red}warning: ${green}Please make sure the configuration file path is correctly set.${reset}"

systemd_cat_config /etc/systemd/system/v2ray.service

# shellcheck disable=SC2154

if [[ x"${check_all_service_files:0:1}" = x'y' ]]; then

echo

echo

systemd_cat_config /etc/systemd/system/[email protected]

fi

systemctl daemon-reload

SYSTEMD='1'

if [[ -f '/etc/systemd/system/v2ray.service' ]]; then

if systemctl start "${V2RAY_CUSTOMIZE:-v2ray}"; then

echo 'info: Start the V2Ray service.'

else

echo 'error: Failed to start V2Ray service.'

exit 1

fi

fi

V2RAY_CUSTOMIZE="$(systemctl list-units | grep 'v2ray@' | awk -F ' ' '{print $1}')"

if [[ -z "$V2RAY_CUSTOMIZE" ]]; then

local v2ray_daemon_to_stop='v2ray.service'

else

local v2ray_daemon_to_stop="$V2RAY_CUSTOMIZE"

fi

if ! systemctl stop "$v2ray_daemon_to_stop"; then

echo 'error: Stopping the V2Ray service failed.'

exit 1

fi

echo 'info: Stop the V2Ray service.'

if [[ -f '/etc/systemd/system/v2ray.service' ]]; then

get_version

local get_ver_exit_code=$?

if [[ "$get_ver_exit_code" -eq '0' ]]; then

echo "info: Found the latest release of V2Ray $RELEASE_VERSION . (Current release: $CURRENT_VERSION)"

elif [[ "$get_ver_exit_code" -eq '1' ]]; then

echo "info: No new version. The current version of V2Ray is $CURRENT_VERSION ."

fi

exit 0

else

echo 'error: V2Ray is not installed.'

exit 1

fi

if systemctl list-unit-files | grep -qw 'v2ray'; then

if [[ -n "$(pidof v2ray)" ]]; then

stop_v2ray

fi

if ! ("rm" -r '/usr/local/bin/v2ray' \

"$DAT_PATH" \

'/etc/systemd/system/v2ray.service' \

'/etc/systemd/system/[email protected]' \

'/etc/systemd/system/v2ray.service.d' \

'/etc/systemd/system/[email protected]'); then

echo 'error: Failed to remove V2Ray.'

exit 1

else

echo 'removed: /usr/local/bin/v2ray'

if [[ -f '/usr/local/bin/v2ctl' ]]; then

rm '/usr/local/bin/v2ctl'

echo 'removed: /usr/local/bin/v2ctl'

fi

echo "removed: $DAT_PATH"

echo 'removed: /etc/systemd/system/v2ray.service'

echo 'removed: /etc/systemd/system/[email protected]'

echo 'removed: /etc/systemd/system/v2ray.service.d'

echo 'removed: /etc/systemd/system/[email protected]'

echo 'Please execute the command: systemctl disable v2ray'

echo "You may need to execute a command to remove dependent software: $PACKAGE_MANAGEMENT_REMOVE curl unzip"

echo 'info: V2Ray has been removed.'

echo 'info: If necessary, manually delete the configuration and log files.'

if [[ -n "$JSONS_PATH" ]]; then

echo "info: e.g., $JSONS_PATH and /var/log/v2ray/ ..."

else

echo "info: e.g., $JSON_PATH and /var/log/v2ray/ ..."

fi

exit 0

fi

else

echo 'error: V2Ray is not installed.'

exit 1

fi

echo "usage: $0 [--remove | --version number | -c | -f | -h | -l | -p]"

echo ' [-p address] [--version number | -c | -f]'

echo ' --remove Remove V2Ray'

echo ' --version Install the specified version of V2Ray, e.g., --version v4.18.0'

echo ' -c, --check Check if V2Ray can be updated'

echo ' -f, --force Force installation of the latest version of V2Ray'

echo ' -h, --help Show help'

echo ' -l, --local Install V2Ray from a local file'

echo ' -p, --proxy Download through a proxy server, e.g., -p http://127.0.0.1:8118 or -p socks5://127.0.0.1:1080'

exit 0

check_if_running_as_root

identify_the_operating_system_and_architecture

judgment_parameters "$@"

install_software "$package_provide_tput" 'tput'

red=$(tput setaf 1)

green=$(tput setaf 2)

aoi=$(tput setaf 6)

reset=$(tput sgr0)

# Parameter information

[[ "$HELP" -eq '1' ]] && show_help

[[ "$CHECK" -eq '1' ]] && check_update

[[ "$REMOVE" -eq '1' ]] && remove_v2ray

# Two very important variables

TMP_DIRECTORY="$(mktemp -d)"

ZIP_FILE="${TMP_DIRECTORY}/v2ray-linux-$MACHINE.zip"

# Install V2Ray from a local file, but still need to make sure the network is available

if [[ "$LOCAL_INSTALL" -eq '1' ]]; then

echo 'warn: Install V2Ray from a local file, but still need to make sure the network is available.'

echo -n 'warn: Please make sure the file is valid because we cannot confirm it. (Press any key) ...'

read -r

install_software 'unzip' 'unzip'

decompression "$LOCAL_FILE"

else

# Normal way

install_software 'curl' 'curl'

get_version

NUMBER="$?"

if [[ "$NUMBER" -eq '0' ]] || [[ "$FORCE" -eq '1' ]] || [[ "$NUMBER" -eq 2 ]]; then

echo "info: Installing V2Ray $RELEASE_VERSION for $(uname -m)"

download_v2ray

if [[ "$?" -eq '1' ]]; then

"rm" -r "$TMP_DIRECTORY"

echo "removed: $TMP_DIRECTORY"

exit 1

fi

install_software 'unzip' 'unzip'

decompression "$ZIP_FILE"

elif [[ "$NUMBER" -eq '1' ]]; then

echo "info: No new version. The current version of V2Ray is $CURRENT_VERSION ."

exit 0

fi

fi

# Determine if V2Ray is running

if systemctl list-unit-files | grep -qw 'v2ray'; then

if [[ -n "$(pidof v2ray)" ]]; then

stop_v2ray

V2RAY_RUNNING='1'

fi

fi

install_v2ray

install_startup_service_file

echo 'installed: /usr/local/bin/v2ray'

if [[ -f '/usr/local/bin/v2ctl' ]]; then

echo 'installed: /usr/local/bin/v2ctl'

fi

# If the file exists, the content output of installing or updating geoip.dat and geosite.dat will not be displayed

if [[ ! -f "${DAT_PATH}/.undat" ]]; then

echo "installed: ${DAT_PATH}/geoip.dat"

echo "installed: ${DAT_PATH}/geosite.dat"

fi

if [[ "$CONFIG_NEW" -eq '1' ]]; then

echo "installed: ${JSON_PATH}/config.json"

fi

if [[ "$CONFDIR" -eq '1' ]]; then

echo "installed: ${JSON_PATH}/00_log.json"

echo "installed: ${JSON_PATH}/01_api.json"

echo "installed: ${JSON_PATH}/02_dns.json"

echo "installed: ${JSON_PATH}/03_routing.json"

echo "installed: ${JSON_PATH}/04_policy.json"

echo "installed: ${JSON_PATH}/05_inbounds.json"

echo "installed: ${JSON_PATH}/06_outbounds.json"

echo "installed: ${JSON_PATH}/07_transport.json"

echo "installed: ${JSON_PATH}/08_stats.json"

echo "installed: ${JSON_PATH}/09_reverse.json"

fi

if [[ "$LOG" -eq '1' ]]; then

echo 'installed: /var/log/v2ray/'

echo 'installed: /var/log/v2ray/access.log'

echo 'installed: /var/log/v2ray/error.log'

fi

if [[ "$SYSTEMD" -eq '1' ]]; then

echo 'installed: /etc/systemd/system/v2ray.service'

echo 'installed: /etc/systemd/system/[email protected]'

fi

"rm" -r "$TMP_DIRECTORY"

echo "removed: $TMP_DIRECTORY"

if [[ "$LOCAL_INSTALL" -eq '1' ]]; then

get_version

fi

echo "info: V2Ray $RELEASE_VERSION is installed."

echo "You may need to execute a command to remove dependent software: $PACKAGE_MANAGEMENT_REMOVE curl unzip"

if [[ "$V2RAY_RUNNING" -eq '1' ]]; then

start_v2ray

else

echo 'Please execute the command: systemctl enable v2ray; systemctl start v2ray'

fi