blob: 6e498144811fc510594098dd9c9cf22b87d4f238 (
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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
# /usr/lib/dynamic_dns/dynamic_dns_functions.sh
#
# Written by Eric Paul Bishop, Janary 2008
# Distributed under the terms of the GNU General Public License (GPL) version 2.0
#
# This script is (loosely) based on the one posted by exobyte in the forums here:
# http://forum.openwrt.org/viewtopic.php?id=14040
. /lib/functions.sh
. /lib/functions/network.sh
#loads all options for a given package and section
#also, sets all_option_variables to a list of the variable names
load_all_config_options()
{
pkg_name="$1"
section_id="$2"
ALL_OPTION_VARIABLES=""
# this callback loads all the variables
# in the section_id section when we do
# config_load. We need to redefine
# the option_cb for different sections
# so that the active one isn't still active
# after we're done with it. For reference
# the $1 variable is the name of the option
# and $2 is the name of the section
config_cb()
{
if [ ."$2" = ."$section_id" ]; then
option_cb()
{
ALL_OPTION_VARIABLES="$ALL_OPTION_VARIABLES $1"
}
else
option_cb() { return 0; }
fi
}
config_load "$pkg_name"
for var in $ALL_OPTION_VARIABLES
do
config_get "$var" "$section_id" "$var"
done
}
get_current_ip()
{
#if ip source is not defined, assume we want to get ip from wan
if [ "$ip_source" != "interface" ] && [ "$ip_source" != "web" ] && [ "$ip_source" != "script" ]
then
ip_source="network"
fi
if [ "$ip_source" = "network" ]
then
if [ -z "$ip_network" ]
then
ip_network="wan"
fi
fi
current_ip='';
if [ "$ip_source" = "network" ]
then
network_get_ipaddr current_ip "$ip_network" || return
elif [ "$ip_source" = "interface" ]
then
current_ip=$(ifconfig $ip_interface | grep -o 'inet addr:[0-9.]*' | grep -o "$ip_regex")
elif [ "$ip_source" = "script" ]
then
# get ip from script
current_ip=$($ip_script)
else
# get ip from web
# we check each url in order in ip_url variable, and if no ips are found we use dyndns ip checker
# ip is set to FIRST expression in page that matches the ip_regex regular expression
for addr in $ip_url
do
if [ -z "$current_ip" ]
then
current_ip=$(echo $( wget -O - $addr 2>/dev/null) | grep -o "$ip_regex")
fi
done
#here we hard-code the dyndns checkip url in case no url was specified
if [ -z "$current_ip" ]
then
current_ip=$(echo $( wget -O - http://checkip.dyndns.org 2>/dev/null) | grep -o "$ip_regex")
fi
fi
echo "$current_ip"
}
verbose_echo()
{
if [ "$verbose_mode" = 1 ]
then
echo $1
fi
}
syslog_echo()
{
if [ "$use_syslog" = 1 ]
then
echo $1|logger -t ddns-scripts-$service_id
fi
}
start_daemon_for_all_ddns_sections()
{
local event_interface="$1"
SECTIONS=""
config_cb()
{
SECTIONS="$SECTIONS $2"
}
config_load "ddns"
for section in $SECTIONS
do
local iface
config_get iface "$section" interface "wan"
[ -z "$event_interface" -o "$iface" = "$event_interface" ] || continue
/usr/lib/ddns/dynamic_dns_updater.sh $section 0 > /dev/null 2>&1 &
done
}
monotonic_time()
{
local uptime
read uptime < /proc/uptime
echo "${uptime%%.*}"
}
|