blob: 62f584fa8820ad8877f2d0b7eb060c8ee758b6e7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
scan_ppp() {
config_get ifname "$1" ifname
pppdev="${pppdev:-0}"
config_get devunit "$1" unit
{
unit=
pppif=
if [ ! -d /tmp/.ppp-counter ]; then
mkdir -p /tmp/.ppp-counter
fi
local maxunit
maxunit="$(cat /tmp/.ppp-counter/max-unit 2>/dev/null)"
if [ -z "$maxunit" ]; then
maxunit=-1
fi
local i
i=0
while [ $i -le $maxunit ]; do
local unitdev
unitdev="$(cat /tmp/.ppp-counter/ppp${i} 2>/dev/null)"
if [ "$unitdev" = "$1" ]; then
unit="$i"
pppif="ppp${i}"
break
fi
i="$(($i + 1))"
done
if [ -z "$unit" ] || [ -z "$pppif" ]; then
maxunit="$(($maxunit + 1))"
if [ -n "$devunit" ]; then
unit="$devunit"
elif [ "${ifname%%[0-9]*}" = ppp ]; then
unit="${ifname##ppp}"
else
unit="$maxunit"
fi
[ "$maxunit" -lt "$unit" ] && maxunit="$unit"
pppif="ppp${unit}"
echo "$1" >/tmp/.ppp-counter/$pppif 2>/dev/null
echo "$maxunit" >/tmp/.ppp-counter/max-unit 2>/dev/null
fi
config_set "$1" ifname "ppp$unit"
config_set "$1" unit "$unit"
}
}
start_pppd() {
local cfg="$1"; shift
local ifname
# make sure the network state references the correct ifname
scan_ppp "$cfg"
config_get ifname "$cfg" ifname
set_interface_ifname "$cfg" "$ifname"
# make sure only one pppd process is started
lock "/var/lock/ppp-${cfg}"
local pid="$(head -n1 /var/run/ppp-${cfg}.pid 2>/dev/null)"
[ -d "/proc/$pid" ] && grep pppd "/proc/$pid/cmdline" 2>/dev/null >/dev/null && {
lock -u "/var/lock/ppp-${cfg}"
return 0
}
# Workaround: sometimes hotplug2 doesn't deliver the hotplug event for creating
# /dev/ppp fast enough to be used here
[ -e /dev/ppp ] || mknod /dev/ppp c 108 0
config_get device "$cfg" device
config_get unit "$cfg" unit
config_get username "$cfg" username
config_get password "$cfg" password
config_get keepalive "$cfg" keepalive
config_get connect "$cfg" connect
config_get disconnect "$cfg" disconnect
config_get pppd_options "$cfg" pppd_options
config_get_bool defaultroute "$cfg" defaultroute 1
[ "$defaultroute" -eq 1 ] && defaultroute="defaultroute replacedefaultroute" || defaultroute=""
interval="${keepalive##*[, ]}"
[ "$interval" != "$keepalive" ] || interval=5
config_get_bool peerdns "$cfg" peerdns 1
[ "$peerdns" -eq 1 ] && peerdns="usepeerdns" || {
peerdns=""
config_get dns "$config" dns
for dns in $dns; do
grep -q "$dns" /tmp/resolv.conf.auto 2>/dev/null || \
echo "nameserver $dns" >> /tmp/resolv.conf.auto
done
}
config_get demand "$cfg" demand
[ -n "$demand" ] && echo "nameserver 1.1.1.1" > /tmp/resolv.conf.auto
config_get_bool ipv6 "$cfg" ipv6 0
[ "$ipv6" -eq 1 ] && ipv6="+ipv6" || ipv6=""
/usr/sbin/pppd "$@" \
${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \
${demand:+precompiled-active-filter /etc/ppp/filter demand idle }${demand:-persist} \
$peerdns \
$defaultroute \
${username:+user "$username" password "$password"} \
unit "$unit" \
linkname "$cfg" \
ipparam "$cfg" \
${connect:+connect "$connect"} \
${disconnect:+disconnect "$disconnect"} \
${ipv6} \
${pppd_options}
lock -u "/var/lock/ppp-${cfg}"
}
setup_interface_ppp() {
local iface="$1"
local config="$2"
config_get device "$config" device
config_get mtu "$config" mtu
mtu=${mtu:-1492}
start_pppd "$config" \
mtu $mtu mru $mtu \
"$device"
}
|
