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Update Helper from Upstream

This commit is contained in:
Josué Tille 2019-03-04 17:46:03 +01:00 committed by Josue-T
parent b9faec521c
commit b5b9ee7712
3 changed files with 84 additions and 32 deletions

View file

@ -148,9 +148,17 @@ $(yunohost tools diagnosis | grep -B 100 "services:" | sed '/services:/d')"
# Create a dedicated fail2ban config (jail and filter conf files)
#
# usage: ynh_add_fail2ban_config "list of others variables to replace"
# usage 1: ynh_add_fail2ban_config --logpath=log_file --failregex=filter [--max_retry=max_retry] [--ports=ports]
# | arg: -l, --logpath= - Log file to be checked by fail2ban
# | arg: -r, --failregex= - Failregex to be looked for by fail2ban
# | arg: -m, --max_retry= - Maximum number of retries allowed before banning IP address - default: 3
# | arg: -p, --ports= - Ports blocked for a banned IP address - default: http,https
#
# | arg: list of others variables to replace separeted by a space
# -----------------------------------------------------------------------------
#
# usage 2: ynh_add_fail2ban_config --use_template [--others_var="list of others variables to replace"]
# | arg: -t, --use_template - Use this helper in template mode
# | arg: -v, --others_var= - List of others variables to replace separeted by a space
# | for example : 'var_1 var_2 ...'
#
# This will use a template in ../conf/f2b_jail.conf and ../conf/f2b_filter.conf
@ -160,17 +168,6 @@ $(yunohost tools diagnosis | grep -B 100 "services:" | sed '/services:/d')"
# __VAR_1__ by $var_1
# __VAR_2__ by $var_2
#
# Note about the "failregex" option:
# regex to match the password failure messages in the logfile. The
# host must be matched by a group named "host". The tag "<HOST>" can
# be used for standard IP/hostname matching and is only an alias for
# (?:::f{4,6}:)?(?P<host>[\w\-.^_]+)
#
# You can find some more explainations about how to make a regex here :
# https://www.fail2ban.org/wiki/index.php/MANUAL_0_8#Filters
#
# Note that the logfile need to exist before to call this helper !!
#
# Generally your template will look like that by example (for synapse):
#
# f2b_jail.conf:
@ -194,32 +191,87 @@ $(yunohost tools diagnosis | grep -B 100 "services:" | sed '/services:/d')"
#
# ignoreregex =
#
# -----------------------------------------------------------------------------
#
# Note about the "failregex" option:
# regex to match the password failure messages in the logfile. The
# host must be matched by a group named "host". The tag "<HOST>" can
# be used for standard IP/hostname matching and is only an alias for
# (?:::f{4,6}:)?(?P<host>[\w\-.^_]+)
#
# You can find some more explainations about how to make a regex here :
# https://www.fail2ban.org/wiki/index.php/MANUAL_0_8#Filters
#
# Note that the logfile need to exist before to call this helper !!
#
# To validate your regex you can test with this command:
# fail2ban-regex /var/log/YOUR_LOG_FILE_PATH /etc/fail2ban/filter.d/YOUR_APP.conf
#
ynh_add_fail2ban_config () {
local others_var=${1:-}
# Declare an array to define the options of this helper.
local legacy_args=lrmptv
declare -Ar args_array=( [l]=logpath= [r]=failregex= [m]=max_retry= [p]=ports= [t]=use_template [v]=others_var=)
local logpath
local failregex
local max_retry
local ports
local others_var
local use_template
# Manage arguments with getopts
ynh_handle_getopts_args "$@"
use_template="${use_template:-0}"
max_retry=${max_retry:-3}
ports=${ports:-http,https}
finalfail2banjailconf="/etc/fail2ban/jail.d/$app.conf"
finalfail2banfilterconf="/etc/fail2ban/filter.d/$app.conf"
ynh_backup_if_checksum_is_different "$finalfail2banjailconf"
ynh_backup_if_checksum_is_different "$finalfail2banfilterconf"
if [ $use_template -eq 1 ]
then
# Usage 2, templates
cp ../conf/f2b_jail.conf $finalfail2banjailconf
cp ../conf/f2b_filter.conf $finalfail2banfilterconf
if test -n "${app:-}"; then
if [ -n "${app:-}" ]
then
ynh_replace_string "__APP__" "$app" "$finalfail2banjailconf"
ynh_replace_string "__APP__" "$app" "$finalfail2banfilterconf"
fi
# Replace all other variable given as arguments
for var_to_replace in $others_var; do
for var_to_replace in ${others_var:-}; do
# ${var_to_replace^^} make the content of the variable on upper-cases
# ${!var_to_replace} get the content of the variable named $var_to_replace
ynh_replace_string --match_string="__${var_to_replace^^}__" --replace_string="${!var_to_replace}" --target_file="$finalfail2banjailconf"
ynh_replace_string --match_string="__${var_to_replace^^}__" --replace_string="${!var_to_replace}" --target_file="$finalfail2banfilterconf"
done
else
# Usage 1, no template. Build a config file from scratch.
test -n "$logpath" || ynh_die "ynh_add_fail2ban_config expects a logfile path as first argument and received nothing."
test -n "$failregex" || ynh_die "ynh_add_fail2ban_config expects a failure regex as second argument and received nothing."
tee $finalfail2banjailconf <<EOF
[$app]
enabled = true
port = $ports
filter = $app
logpath = $logpath
maxretry = $max_retry
EOF
tee $finalfail2banfilterconf <<EOF
[INCLUDES]
before = common.conf
[Definition]
failregex = $failregex
ignoreregex =
EOF
fi
# Common to usage 1 and 2.
ynh_store_file_checksum "$finalfail2banjailconf"
ynh_store_file_checksum "$finalfail2banfilterconf"
@ -227,8 +279,8 @@ ynh_add_fail2ban_config () {
local fail2ban_error="$(journalctl -u fail2ban | tail -n50 | grep "WARNING.*$app.*")"
if [[ -n "$fail2ban_error" ]]; then
echo "[ERR] Fail2ban failed to load the jail for $app" >&2
echo "WARNING${fail2ban_error#*WARNING}" >&2
ynh_print_err --message="Fail2ban failed to load the jail for $app"
ynh_print_warn --message="${fail2ban_error#*WARNING}"
fi
}

View file

@ -354,7 +354,7 @@ ynh_check_starting "Synapse now listening on TCP port $synapse_tls_port" "/var/l
# WARNING : theses command are used in INSTALL, UPGRADE
# For any update do it in all files
ynh_add_fail2ban_config
ynh_add_fail2ban_config -t
#=================================================
# SEND A README FOR THE ADMIN

View file

@ -311,7 +311,7 @@ ynh_add_systemd_config coturn-$app coturn-synapse.service
# WARNING : theses command are used in INSTALL, UPGRADE
# For any update do it in all files
ynh_add_fail2ban_config
ynh_add_fail2ban_config -t
#=================================================
# GENERIC FINALIZATION