pppd: split files into netifd and non-netifd files, move the netifd ppp.sh file to...
[openwrt/svn-archive/archive.git] / package / ppp / files.old / ppp.sh
1 stop_interface_ppp() {
2 local cfg="$1"
3
4 local proto
5 config_get proto "$cfg" proto
6
7 local link="$proto-$cfg"
8 SERVICE_PID_FILE="/var/run/ppp-${link}.pid" \
9 service_stop /usr/sbin/pppd
10
11 remove_dns "$cfg"
12
13 local lock="/var/lock/ppp-$link"
14 [ -f "$lock" ] && lock -u "$lock"
15 }
16
17 start_pppd() {
18 local cfg="$1"; shift
19
20 # Workaround for PPPoE service and AC name options,
21 # filter out the nic-* argument and append it as last option
22 local nic=""
23 case "$1" in
24 nic-*) nic="$1"; shift ;;
25 esac
26
27 local proto
28 config_get proto "$cfg" proto
29
30 # unique link identifier
31 local link="${proto:-ppp}-$cfg"
32
33 # make sure only one pppd process is started
34 lock "/var/lock/ppp-${link}"
35 SERVICE_PID_FILE="/var/run/ppp-${link}.pid" \
36 service_check /usr/sbin/pppd && {
37 lock -u "/var/lock/ppp-${link}"
38 return 0
39 }
40
41 # Workaround: sometimes hotplug2 doesn't deliver the hotplug event for creating
42 # /dev/ppp fast enough to be used here
43 [ -e /dev/ppp ] || mknod /dev/ppp c 108 0
44
45 local device
46 config_get device "$cfg" device
47
48 local username
49 config_get username "$cfg" username
50
51 local password
52 config_get password "$cfg" password
53
54 local keepalive
55 config_get keepalive "$cfg" keepalive
56
57 local connect
58 config_get connect "$cfg" connect
59
60 local disconnect
61 config_get disconnect "$cfg" disconnect
62
63 local pppd_options
64 config_get pppd_options "$cfg" pppd_options
65
66 local defaultroute
67 config_get_bool defaultroute "$cfg" defaultroute 1
68 [ "$defaultroute" -eq 1 ] && \
69 defaultroute="defaultroute replacedefaultroute" || defaultroute="nodefaultroute"
70
71 local interval="${keepalive##*[, ]}"
72 [ "$interval" != "$keepalive" ] || interval=5
73
74 local dns
75 config_get dns "$config" dns
76
77 local has_dns=0
78 local peer_default=1
79 [ -n "$dns" ] && {
80 has_dns=1
81 peer_default=0
82 }
83
84 local peerdns
85 config_get_bool peerdns "$cfg" peerdns $peer_default
86
87 [ "$peerdns" -eq 1 ] && {
88 peerdns="usepeerdns"
89 } || {
90 peerdns=""
91 add_dns "$cfg" $dns
92 }
93
94 local demand
95 config_get demand "$cfg" demand 0
96
97 local demandargs
98 [ "$demand" -gt 0 ] && {
99 demandargs="precompiled-active-filter /etc/ppp/filter demand idle $demand"
100 [ "$has_dns" -eq 0 ] && add_dns "$cfg" 1.1.1.1
101 } || {
102 demandargs="persist"
103 }
104
105 local ipv6
106 config_get_bool ipv6 "$cfg" ipv6 0
107 [ "$ipv6" -eq 1 ] && ipv6="+ipv6" || ipv6=""
108
109 SERVICE_DAEMONIZE=1 \
110 SERVICE_WRITE_PID=1 \
111 SERVICE_PID_FILE="/var/run/ppp-$link.pid" \
112 service_start /usr/sbin/pppd "$@" \
113 ${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \
114 $demandargs \
115 $peerdns \
116 $defaultroute \
117 ${username:+user "$username" password "$password"} \
118 ipparam "$cfg" \
119 ifname "$link" \
120 ${connect:+connect "$connect"} \
121 ${disconnect:+disconnect "$disconnect"} \
122 ${ipv6} \
123 ${pppd_options} \
124 nodetach \
125 ${nic}
126
127 lock -u "/var/lock/ppp-${link}"
128 }
129
130 setup_interface_ppp() {
131 local iface="$1"
132 local config="$2"
133
134 local device
135 config_get device "$config" device
136
137 local mtu
138 config_get mtu "$config" mtu
139
140 mtu=${mtu:-1492}
141 start_pppd "$config" \
142 mtu $mtu mru $mtu \
143 "$device"
144 }
145