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run openwrt init script through shellcheck

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Signed-off-by: Rosen Penev <rosenp@gmail.com>
This commit is contained in:
Rosen Penev
2020-01-23 04:20:41 +08:00
committed by Nick Peng
parent 2322a9dbd0
commit d965df2c44
1 changed files with 72 additions and 160 deletions
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232
package/openwrt/files/etc/init.d/smartdns
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@@ -37,21 +37,18 @@ set_forward_dnsmasq()
local PORT="$1"
addr="127.0.0.1#$PORT"
OLD_SERVER="$(uci get dhcp.@dnsmasq[0].server 2>/dev/null)"
echo "$OLD_SERVER" | grep "^$addr" >/dev/null 2>&1
if [ $? -eq 0 ]; then
if echo "$OLD_SERVER" | grep "^$addr" >/dev/null 2>&1; then
return
fi
uci delete dhcp.@dnsmasq[0].server 2>/dev/null
uci add_list dhcp.@dnsmasq[0].server="$addr"
for server in $OLD_SERVER; do
if [ "$server" = "$addr" ]; then
continue
fi
[ "$server" = "$addr" ] && continue
uci add_list dhcp.@dnsmasq[0].server="$server"
done
uci delete dhcp.@dnsmasq[0].resolvfile 2>/dev/null
uci set dhcp.@dnsmasq[0].noresolv=1
uci commit dhcp
uci commit dhcp
/etc/init.d/dnsmasq restart
}
@@ -60,17 +57,16 @@ stop_forward_dnsmasq()
local OLD_PORT="$1"
addr="127.0.0.1#$OLD_PORT"
OLD_SERVER="$(uci get dhcp.@dnsmasq[0].server 2>/dev/null)"
echo "$OLD_SERVER" | grep "^$addr" >/dev/null 2>&1
if [ $? -ne 0 ]; then
if echo "$OLD_SERVER" | grep "^$addr" >/dev/null 2>&1; then
return
fi
uci del_list dhcp.@dnsmasq[0].server="$addr" 2>/dev/null
addrlist="$(uci get dhcp.@dnsmasq[0].server 2>/dev/null)"
if [ -z "$addrlist" ] ; then
[ -z "$addrlist" ] && {
uci set dhcp.@dnsmasq[0].resolvfile=/tmp/resolv.conf.auto 2>/dev/null
uci delete dhcp.@dnsmasq[0].noresolv 2>/dev/null
fi
}
uci commit dhcp
/etc/init.d/dnsmasq restart
}
@@ -89,9 +85,7 @@ set_iptable()
iptables -t nat -A PREROUTING -p udp -d "$IP" --dport 53 -j REDIRECT --to-ports "$SMARTDNS_PORT" >/dev/null 2>&1
done
if [ "$ipv6_server" = 0 ]; then
return
fi
[ "$ipv6_server" = 0 ] && return
IPS="$(ifconfig | grep "inet6 addr" | grep -v " fe80::" | grep -v " ::1" | grep "Global" | awk '{print $3}')"
for IP in $IPS
@@ -115,9 +109,7 @@ clear_iptable()
iptables -t nat -D PREROUTING -p tcp -d "$IP" --dport 53 -j REDIRECT --to-ports "$OLD_PORT" >/dev/null 2>&1
done
if [ "$ipv6_server" = 0 ]; then
return
fi
[ "$ipv6_server" = 0 ] && return
IPS="$(ifconfig | grep "inet6 addr" | grep -v " fe80::" | grep -v " ::1" | grep "Global" | awk '{print $3}')"
for IP in $IPS
@@ -125,7 +117,7 @@ clear_iptable()
ip6tables -t nat -D PREROUTING -p udp -d "$IP" --dport 53 -j REDIRECT --to-ports "$OLD_PORT" >/dev/null 2>&1
ip6tables -t nat -D PREROUTING -p tcp -d "$IP" --dport 53 -j REDIRECT --to-ports "$OLD_PORT" >/dev/null 2>&1
done
}
service_triggers() {
@@ -143,23 +135,16 @@ get_tz()
{
SET_TZ=""
if [ -e "/etc/localtime" ]; then
return
fi
[ -e "/etc/localtime" ] && return
for tzfile in /etc/TZ /var/etc/TZ
do
if [ ! -e "$tzfile" ]; then
continue
fi
[ -e "$tzfile" ] || continue
tz="$(cat $tzfile 2>/dev/null)"
done
if [ -z "$tz" ]; then
return
fi
[ -z "$tz" ] && return
SET_TZ=$tz
}
@@ -182,9 +167,7 @@ load_server()
config_get spki_pin "$section" "spki_pin" ""
config_get addition_arg "$section" "addition_arg" ""
if [ "$enabled" = "0" ]; then
return
fi
[ "$enabled" = "0" ] && return
if [ -z "$ip" ] || [ -z "$type" ]; then
return
@@ -199,105 +182,65 @@ load_server()
SERVER="server-https"
fi
if [ ! -z "$(echo "$ip" | grep ":" | grep -v "https://")" ]; then
if [ -z "$(echo "$ip" | grep "\\[")" ]; then
if echo "$ip" | grep ":" | grep -q -v "https://" >/dev/null 2>&1; then
if ! echo "$ip" | grep -q "\\[" >/dev/null 2>&1; then
ip="[$ip]"
fi
fi
if [ ! -z "$tls_host_verify" ]; then
ADDITIONAL_ARGS="$ADDITIONAL_ARGS -tls-host-verify $tls_host_verify"
fi
[ -z "$tls_host_verify" ] || ADDITIONAL_ARGS="$ADDITIONAL_ARGS -tls-host-verify $tls_host_verify"
[ -z "$host_name" ] || ADDITIONAL_ARGS="$ADDITIONAL_ARGS -host-name $host_name"
[ -z "$http_host" ] || ADDITIONAL_ARGS="$ADDITIONAL_ARGS -http-host $http_host"
[ -z "$server_group" ] || ADDITIONAL_ARGS="$ADDITIONAL_ARGS -group $server_group"
[ "$blacklist_ip" = "0" ] || ADDITIONAL_ARGS="$ADDITIONAL_ARGS -blacklist-ip"
[ "$check_edns" = "0" ] || ADDITIONAL_ARGS="$ADDITIONAL_ARGS -check-edns"
[ -z "$spki_pin" ] || ADDITIONAL_ARGS="$ADDITIONAL_ARGS -spki-pin $spki_pin"
if [ ! -z "$host_name" ]; then
ADDITIONAL_ARGS="$ADDITIONAL_ARGS -host-name $host_name"
fi
if [ ! -z "$http_host" ]; then
ADDITIONAL_ARGS="$ADDITIONAL_ARGS -http-host $http_host"
fi
if [ ! -z "$server_group" ]; then
ADDITIONAL_ARGS="$ADDITIONAL_ARGS -group $server_group"
fi
if [ "$blacklist_ip" != "0" ]; then
ADDITIONAL_ARGS="$ADDITIONAL_ARGS -blacklist-ip"
fi
if [ "$check_edns" != "0" ]; then
ADDITIONAL_ARGS="$ADDITIONAL_ARGS -check-edns"
fi
if [ ! -z "$spki_pin" ]; then
ADDITIONAL_ARGS="$ADDITIONAL_ARGS -spki-pin $spki_pin"
fi
if [ ! -z "$port" ]; then
DNS_ADDRESS="$ip:$port"
if [ -z "$port" ]; then
DNS_ADDRESS="$ip"
else
DNS_ADDRESS="$ip"
DNS_ADDRESS="$ip:$port"
fi
if [ "$type" = "https" ]; then
DNS_ADDRESS="$ip"
fi
[ "$type" = "https" ] && DNS_ADDRESS="$ip"
conf_append "$SERVER" "$DNS_ADDRESS $ADDITIONAL_ARGS $addition_arg"
}
load_second_server()
load_second_server()
{
local section="$1"
local ARGS=""
local ADDR=""
config_get_bool seconddns_enabled "$section" "seconddns_enabled" "0"
if [ "$seconddns_enabled" = "0" ]; then
return
fi
[ "$seconddns_enabled" = "0" ] && return
config_get seconddns_port "$section" "seconddns_port" "7053"
config_get_bool seconddns_no_speed_check "$section" "seconddns_no_speed_check" "0"
if [ "$seconddns_no_speed_check" = "1" ]; then
ARGS="$ARGS -no-speed-check"
fi
[ "$seconddns_no_speed_check" = "1" ] && ARGS="$ARGS -no-speed-check"
config_get seconddns_server_group "$section" "seconddns_server_group" ""
if [ ! -z "$seconddns_server_group" ]; then
ARGS="$ARGS -group $seconddns_server_group"
fi
[ -z "$seconddns_server_group" ] || ARGS="$ARGS -group $seconddns_server_group"
config_get_bool seconddns_no_rule_addr "$section" "seconddns_no_rule_addr" "0"
if [ "$seconddns_no_rule_addr" = "1" ]; then
ARGS="$ARGS -no-rule-addr"
fi
[ "$seconddns_no_rule_addr" = "1" ] && ARGS="$ARGS -no-rule-addr"
config_get_bool seconddns_no_rule_nameserver "$section" "seconddns_no_rule_nameserver" "0"
if [ "$seconddns_no_rule_nameserver" = "1" ]; then
ARGS="$ARGS -no-rule-nameserver"
fi
[ "$seconddns_no_rule_nameserver" = "1" ] && ARGS="$ARGS -no-rule-nameserver"
config_get_bool seconddns_no_rule_ipset "$section" "seconddns_no_rule_ipset" "0"
if [ "$seconddns_no_rule_ipset" = "1" ]; then
ARGS="$ARGS -no-rule-ipset"
fi
[ "$seconddns_no_rule_ipset" = "1" ] && ARGS="$ARGS -no-rule-ipset"
config_get_bool seconddns_no_rule_soa "$section" "seconddns_no_rule_soa" "0"
if [ "$seconddns_no_rule_soa" = "1" ]; then
ARGS="$ARGS -no-rule-soa"
fi
[ "$seconddns_no_rule_soa" = "1" ] && ARGS="$ARGS -no-rule-soa"
config_get_bool seconddns_no_dualstack_selection "$section" "seconddns_no_dualstack_selection" "0"
if [ "$seconddns_no_dualstack_selection" = "1" ]; then
ARGS="$ARGS -no-dualstack-selection"
fi
[ "$seconddns_no_dualstack_selection" = "1" ] && ARGS="$ARGS -no-dualstack-selection"
config_get_bool seconddns_no_cache "$section" "seconddns_no_cache" "0"
if [ "$seconddns_no_cache" = "1" ]; then
ARGS="$ARGS -no-cache"
fi
[ "$seconddns_no_cache" = "1" ] && ARGS="$ARGS -no-cache"
config_get ipv6_server "$section" "ipv6_server" "1"
if [ "$ipv6_server" = "1" ]; then
@@ -308,12 +251,10 @@ load_second_server()
conf_append "bind" "$ADDR:$seconddns_port $ARGS"
config_get_bool "seconddns_tcp_server" "$section" "seconddns_tcp_server" "1"
if [ "$seconddns_tcp_server" = "1" ]; then
conf_append "bind-tcp" "$ADDR:$seconddns_port $ARGS"
fi
[ "$seconddns_tcp_server" = "1" ] && conf_append "bind-tcp" "$ADDR:$seconddns_port $ARGS"
}
load_service()
load_service()
{
local section="$1"
args=""
@@ -324,14 +265,10 @@ load_service()
config_get_bool enabled "$section" "enabled" '0'
config_get server_name "$section" "server_name" ""
if [ ! -z "$server_name" ]; then
conf_append "server-name" "$server_name"
fi
[ -z "$server_name" ] || conf_append "server-name" "$server_name"
config_get coredump "$section" "coredump" "0"
if [ "$coredump" = "1" ]; then
COREDUMP="1"
fi
[ "$coredump" = "1" ] && COREDUMP="1"
config_get port "$section" "port" "6053"
config_get ipv6_server "$section" "ipv6_server" "1"
@@ -342,64 +279,45 @@ load_service()
conf_append "bind" ":$port"
fi
if [ "$tcp_server" = "1" ]; then
[ "$tcp_server" = "1" ] && {
if [ "$ipv6_server" = "1" ]; then
conf_append "bind-tcp" "[::]:$port"
else
conf_append "bind-tcp" ":$port"
fi
fi
}
config_get dualstack_ip_selection "$section" "dualstack_ip_selection" "0"
if [ "$dualstack_ip_selection" = "1" ]; then
conf_append "dualstack-ip-selection" "yes"
fi
[ "$dualstack_ip_selection" = "1" ] && conf_append "dualstack-ip-selection" "yes"
config_get prefetch_domain "$section" "prefetch_domain" "0"
if [ "$prefetch_domain" = "1" ]; then
conf_append "prefetch-domain" "yes"
fi
[ "$prefetch_domain" = "1" ] && conf_append "prefetch-domain" "yes"
SMARTDNS_PORT="$port"
config_get cache_size "$section" "cache_size" ""
if [ ! -z "$cache_size" ]; then
conf_append "cache-size" "$cache_size"
fi
[ -z "$cache_size" ] || conf_append "cache-size" "$cache_size"
config_get rr_ttl "$section" "rr_ttl" ""
if [ ! -z "$rr_ttl" ]; then
conf_append "rr-ttl" "$rr_ttl"
fi
[ -z "$rr_ttl" ] || conf_append "rr-ttl" "$rr_ttl"
config_get rr_ttl_min "$section" "rr_ttl_min" ""
if [ ! -z "$rr_ttl_min" ]; then
conf_append "rr-ttl-min" "$rr_ttl_min"
fi
[ -z "$rr_ttl_min" ] || conf_append "rr-ttl-min" "$rr_ttl_min"
config_get rr_ttl_max "$section" "rr_ttl_max" ""
if [ ! -z "$rr_ttl_max" ]; then
conf_append "rr-ttl-max" "$rr_ttl_max"
fi
[ -z "$rr_ttl_max" ] || conf_append "rr-ttl-max" "$rr_ttl_max"
config_get log_size "$section" "log_size" "64K"
if [ ! -z "$log_size" ]; then
conf_append "log-size" "$log_size"
fi
[ -z "$log_size" ] || vonf_append "log-size" "$log_size"
config_get log_num "$section" "log_num" "1"
if [ ! -z $log_num ]; then
conf_append "log-num" "$log_num"
fi
[ -z "$log_num" ] || conf_append "log-num" "$log_num"
config_get log_level "$section" "log_level" "error"
if [ ! -z "$log_level" ]; then
conf_append "log-level" "$log_level"
fi
[ -z "$log_level" ]|| conf_append "log-level" "$log_level"
config_get log_file "$section" "log_file" ""
if [ ! -z "$log_file" ]; then
conf_append "log-file" "$log_file"
fi
[ -z "$log_file" ] || conf_append "log-file" "$log_file"
config_get redirect "$section" "redirect" "none"
config_get old_redirect "$section" "old_redirect" "none"
@@ -407,16 +325,12 @@ load_service()
config_get old_enabled "$section" "old_enabled" "0"
if [ "$old_redirect" != "$redirect" ] || [ "$old_port" != "$SMARTDNS_PORT" ] || [ "$old_enabled" = "1" -a "$enabled" = "0" ]; then
if [ "$old_redirect" != "none" ]; then
if [ "$old_port" != "0" ]; then
clear_iptable "$old_port" "$ipv6_server"
fi
if [ "$old_redirect" = "dnsmasq-upstream" ]; then
stop_forward_dnsmasq "$old_port"
fi
fi
[ "$old_redirect" = "none" ] || {
[ "$old_port" = "0" ] || clear_iptable "$old_port" "$ipv6_server"
[ "$old_redirect" = "dnsmasq-upstream" ] && stop_forward_dnsmasq "$old_port"
}
fi
uci delete smartdns.@smartdns[0].old_redirect 2>/dev/null
uci delete smartdns.@smartdns[0].old_port 2>/dev/null
uci delete smartdns.@smartdns[0].old_enabled 2>/dev/null
@@ -437,31 +351,29 @@ load_service()
config_foreach load_server "server"
echo "conf-file $ADDRESS_CONF" >> $SMARTDNS_CONF_TMP
echo "conf-file $BLACKLIST_IP_CONF" >> $SMARTDNS_CONF_TMP
echo "conf-file $CUSTOM_CONF" >> $SMARTDNS_CONF_TMP
{
echo "conf-file $ADDRESS_CONF"
echo "conf-file $BLACKLIST_IP_CONF"
echo "conf-file $CUSTOM_CONF"
} >> $SMARTDNS_CONF_TMP
mv $SMARTDNS_CONF_TMP $SMARTDNS_CONF
procd_open_instance "smartdns"
if [ "$COREDUMP" = "1" ]; then
[ "$COREDUMP" = "1" ] && {
args="$args -S"
procd_set_param limits core="unlimited"
fi
}
get_tz
if [ ! -z "$SET_TZ" ]; then
procd_set_param env TZ="$SET_TZ"
fi
[ -z "$SET_TZ" ] || procd_set_param env TZ="$SET_TZ"
procd_set_param command /usr/sbin/smartdns -f -c $SMARTDNS_CONF $args
if [ "$RESPAWN" = "1" ]; then
procd_set_param respawn ${respawn_threshold:-3600} ${respawn_timeout:-5} ${respawn_retry:-5}
fi
[ "$RESPAWN" = "1" ] && procd_set_param respawn ${respawn_threshold:-3600} ${respawn_timeout:-5} ${respawn_retry:-5}
procd_set_param file "$SMARTDNS_CONF"
procd_close_instance
}
start_service()
start_service()
{
config_load "smartdns"
config_foreach load_service "smartdns"