OpenWrt – Blame information for rev 1

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1 office 1 #!/bin/sh /etc/rc.common
2 # Copyright (C) 2018 OpenWrt.org
3  
4 START=99
5 USE_PROCD=1
6 PROG=/usr/sbin/omcproxy
7  
8 # Uncomment to enable verbosity
9 #OPTIONS="-v"
10 PROXIES=""
11  
12 omcproxy_add_proxy() {
13 local proxy scope uplink updevice downlinks
14  
15 config_get uplink $1 uplink
16 [ -n "$uplink" ] || return
17  
18 network_get_device updevice "$uplink" || {
19 procd_append_param error "$uplink is not up"
20 return;
21 }
22  
23 config_get downlinks $1 downlink
24 for downlink in $downlinks; do
25 local device
26  
27 network_get_device device "$downlink" || {
28 procd_append_param error "$downlink is not up"
29 continue;
30 }
31  
32 proxy="$proxy,$device"
33  
34 # Disable in-kernel querier while ours is active, default is 1.
35 [ -f /sys/class/net/$device/bridge/multicast_querier ] && \
36 echo 0 > /sys/class/net/$device/bridge/multicast_querier
37 done
38  
39 [ -n "$proxy" ] || return 0
40  
41 config_get scope $1 scope
42 [ -n "$scope" ] && proxy="$proxy,scope=$scope"
43  
44 PROXIES="$PROXIES $updevice$proxy"
45 }
46  
47 omcproxy_add_network_triggers() {
48 local uplink downlinks
49  
50 config_get uplink $1 uplink
51 config_get downlinks $1 downlink
52  
53 for link in $uplink $downlinks; do
54 local duplicate=0
55  
56 for l in $LINKS; do
57 [ "$l" = "$link" ] && duplicate=1
58 done
59  
60 [ "$duplicate" = 0 ] && {
61 LINKS="$LINKS $link"
62 procd_add_interface_trigger "interface.*" $link /etc/init.d/omcproxy restart
63 }
64 done
65 }
66  
67 omcproxy_add_firewall_rules() {
68 local uplink downlinks
69  
70 config_get uplink $1 uplink
71 config_get downlinks $1 downlink
72  
73 upzone=$(fw3 -q network $uplink 2>/dev/null)
74 [ -n "$upzone" ] || return 0
75  
76 json_add_object ""
77 json_add_string type rule
78 json_add_string src "$upzone"
79 json_add_string family ipv4
80 json_add_string proto igmp
81 json_add_string target ACCEPT
82 json_close_object
83  
84 json_add_object ""
85 json_add_string type rule
86 json_add_string family ipv6
87 json_add_string src "$upzone"
88 json_add_string proto icmp
89 json_add_string src_ip fe80::/10
90 json_add_array icmp_type
91 json_add_string "" 130/0
92 json_add_string "" 131/0
93 json_add_string "" 132/0
94 json_add_string "" 143/0
95 json_close_array
96 json_add_string target ACCEPT
97 json_close_object
98  
99 for downlink in $downlinks; do
100 downzone=$(fw3 -q network $downlink 2>/dev/null)
101 [ -n "$downzone" ] || continue
102  
103 json_add_object ""
104 json_add_string type rule
105 json_add_string src "$upzone"
106 json_add_string dest "$downzone"
107 json_add_string family ipv4
108 json_add_string proto udp
109 json_add_string dest_ip "224.0.0.0/4"
110 json_add_string target ACCEPT
111 json_close_object
112  
113 json_add_object ""
114 json_add_string type rule
115 json_add_string src "$upzone"
116 json_add_string dest "$downzone"
117 json_add_string family ipv6
118 json_add_string proto udp
119 json_add_string dest_ip "ff00::/8"
120 json_add_string target ACCEPT
121 json_close_object
122 done
123 }
124  
125 service_triggers() {
126 LINKS=""
127  
128 procd_add_reload_trigger "omcproxy"
129 config_foreach omcproxy_add_network_triggers proxy
130 }
131  
132 start_service() {
133 . /lib/functions/network.sh
134  
135 config_load omcproxy
136  
137 config_foreach omcproxy_add_proxy proxy
138 [ -n "$PROXIES" ] || return 0
139  
140 procd_open_instance
141 procd_set_param command $PROG
142 [ -n "$OPTIONS" ] && procd_append_param command $OPTIONS
143 procd_append_param command $PROXIES
144 procd_set_param respawn
145  
146 procd_open_data
147  
148 json_add_array firewall
149 config_foreach omcproxy_add_firewall_rules proxy
150 json_close_array
151  
152 procd_close_data
153  
154 procd_close_instance
155  
156 # Increase maximum IPv4 group memberships per socket, default is 100.
157 echo 128 > /proc/sys/net/ipv4/igmp_max_memberships
158 }
159  
160 service_started() {
161 procd_set_config_changed firewall
162 }
163  
164 stop_service() {
165 procd_set_config_changed firewall
166 }