5 SCRIPTNAME
="$(basename "$0")"
7 MWAN3_STATUS_DIR
="/var/run/mwan3"
8 MWAN3_STATUS_IPTABLES_LOG_DIR
="${MWAN3_STATUS_DIR}/iptables_log"
9 MWAN3TRACK_STATUS_DIR
="/var/run/mwan3track"
11 MWAN3_INTERFACE_MAX
=""
20 MAX_SLEEP
=$
(((1<<31)-1))
22 command -v ip6tables > /dev/null
26 IPT4="iptables -t mangle -w"
27 IPT6="ip6tables -t mangle -w"
28 IPT4R="iptables-restore -T mangle -w -n"
29 IPT6R="ip6tables-restore -T mangle -w -n"
33 local facility=$1; shift
34 # in development, we want to show 'debug' level logs
35 # when this release is out of beta, the comment in the line below
37 [ "$facility" = "debug" ] && return
38 logger -t "${SCRIPTNAME}[$$]" -p $facility "$*"
41 mwan3_get_true_iface()
45 config_get family "$2" family ipv4
46 if [ "$family" = "ipv4" ]; then
48 elif [ "$family" = "ipv6" ]; then
51 ubus call "network.interface.${2}_${V}" status &>/dev/null && _true_iface="${2}_${V}"
52 export "$1=$_true_iface"
57 local family _src_ip interface true_iface device addr_cmd default_ip IP sed_str
59 mwan3_get_true_iface true_iface $interface
62 config_get family "$interface" family ipv4
63 if [ "$family" = "ipv4" ]; then
64 addr_cmd='network_get_ipaddr'
66 sed_str='s/ *inet \([^ \/]*\).*/\1/;T; pq'
68 elif [ "$family" = "ipv6" ]; then
69 addr_cmd='network_get_ipaddr6'
71 sed_str='s/ *inet6 \([^ \/]*\).* scope.*/\1/;T; pq'
75 $addr_cmd _src_ip "$true_iface"
76 if [ -z "$_src_ip" ]; then
77 network_get_device device $true_iface
78 _src_ip=$($IP address ls dev $device 2>/dev/null | sed -ne "$sed_str")
79 if [ -n "$_src_ip" ]; then
80 LOG warn "no src $family address found from netifd for interface '$true_iface' dev '$device' guessing $_src_ip"
83 LOG warn "no src $family address found for interface '$true_iface' dev '$device'"
89 mwan3_get_mwan3track_status()
92 mwan3_list_track_ips()
94 track_ips="$1 $track_ips"
96 config_list_foreach "$1" track_ip mwan3_list_track_ips
98 if [ -n "$track_ips" ]; then
99 pid="$(pgrep -f "mwan3track $1$")"
100 if [ -n "$pid" ]; then
101 if [ "$(cat /proc/"$(pgrep -P $pid)"/cmdline)" = "sleep${MAX_SLEEP}" ]; then
117 local bitcnt mmdefault source_routing
121 [ -d $MWAN3_STATUS_DIR ] || mkdir -p $MWAN3_STATUS_DIR/iface_state
122 [ -d "$MWAN3_STATUS_IPTABLES_LOG_DIR" ] || mkdir -p "$MWAN3_STATUS_IPTABLES_LOG_DIR"
124 # mwan3's MARKing mask (at least 3 bits should be set)
125 if [ -e "${MWAN3_STATUS_DIR}/mmx_mask" ]; then
126 MMX_MASK=$(cat "${MWAN3_STATUS_DIR}/mmx_mask")
127 MWAN3_INTERFACE_MAX=$(uci_get_state mwan3 globals iface_max)
129 config_get MMX_MASK globals mmx_mask '0x3F00'
130 echo "$MMX_MASK"| tr 'A-F' 'a-f' > "${MWAN3_STATUS_DIR}/mmx_mask"
131 LOG debug "Using firewall mask ${MMX_MASK}"
133 bitcnt=$(mwan3_count_one_bits MMX_MASK)
134 mmdefault=$(((1<<bitcnt)-1))
135 MWAN3_INTERFACE_MAX=$((mmdefault-3))
136 uci_toggle_state mwan3 globals iface_max "$MWAN3_INTERFACE_MAX"
137 LOG debug "Max interface count is ${MWAN3_INTERFACE_MAX}"
140 # remove "linkdown", expiry and source based routing modifiers from route lines
141 config_get_bool source_routing globals source_routing 0
142 [ $source_routing -eq 1 ] && unset source_routing
143 MWAN3_ROUTE_LINE_EXP="s/offload//; s/linkdown //; s/expires [0-9]\+sec//; s/error [0-9]\+//; ${source_routing:+s/default\(.*\) from [^ ]*/default\1/;} p"
145 # mark mask constants
146 bitcnt=$(mwan3_count_one_bits MMX_MASK)
147 mmdefault=$(((1<<bitcnt)-1))
148 MM_BLACKHOLE=$((mmdefault-2))
149 MM_UNREACHABLE=$((mmdefault-1))
151 # MMX_DEFAULT should equal MMX_MASK
152 MMX_DEFAULT=$(mwan3_id2mask mmdefault MMX_MASK)
153 MMX_BLACKHOLE=$(mwan3_id2mask MM_BLACKHOLE MMX_MASK)
154 MMX_UNREACHABLE=$(mwan3_id2mask MM_UNREACHABLE MMX_MASK)
157 # maps the 1st parameter so it only uses the bits allowed by the bitmask (2nd parameter)
158 # which means spreading the bits of the 1st parameter to only use the bits that are set to 1 in the 2nd parameter
159 # 0 0 0 0 0 1 0 1 (0x05) 1st parameter
160 # 1 0 1 0 1 0 1 0 (0xAA) 2nd parameter
164 local bit_msk bit_val result
167 for bit_msk in $(seq 0 31); do
168 if [ $
((($2>>bit_msk
)&1)) = "1" ]; then
169 if [ $
((($1>>bit_val
)&1)) = "1" ]; then
170 result
=$
((result|
(1<<bit_msk)))
172 bit_val=$((bit_val+1))
175 printf "0x%x" $result
178 # counts how many bits are set to 1
179 # n&(n-1) clears the lowest bit set to 1
180 mwan3_count_one_bits()
185 while [ "$n" -gt "0" ]; do
193 local uptime=$(cat /proc/uptime)
198 local time_n time_u iface
200 time_u="$(cat "$MWAN3TRACK_STATUS_DIR/${iface}/ONLINE" 2>/dev/null)"
201 [ -z "${time_u}" ] || [ "${time_u}" = "0" ] || {
202 time_n="$(get_uptime)"
203 echo $((time_n-time_u))