blob: 85cb7df9c505ca0cff30c9d49f888cbd500b444f (
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
145
146
147
148
149
150
151
152
|
#!/bin/sh
# Update bogons file
# Part of the pfSense project
# https://www.pfsense.org
# Global variables
proc_error=""
# Download and extract if necessary
process_url() {
local file=$1
local url=$2
local filename=${url##*/}
local ext=${filename#*.}
/usr/bin/fetch -a -w 600 -T 30 -q -o $file "${url}"
if [ ! -f $file ]; then
echo "Could not download ${url}" | logger
proc_error="true"
fi
case "$ext" in
tar)
mv $file $file.tmp
/usr/bin/tar -xf $file.tmp -O > $file 2> /dev/null
;;
tar.gz)
mv $file $file.tmp
/usr/bin/tar -xzf $file.tmp -O > $file 2> /dev/null
;;
tgz)
mv $file $file.tmp
/usr/bin/tar -xzf $file.tmp -O > $file 2> /dev/null
;;
tar.bz2)
mv $file $file.tmp
/usr/bin/tar -xjf $file.tmp -O > $file 2> /dev/null
;;
*)
;;
esac
if [ -f $file.tmp ]; then
rm $file.tmp
fi
if [ ! -f $file ]; then
echo "Could not extract ${filename}" | logger
proc_error="true"
fi
}
echo "rc.update_bogons.sh is starting up." | logger
# Sleep for some time, unless an argument is specified.
if [ "$1" = "" ]; then
# Grab a random value
value=`od -A n -d -N2 /dev/random | awk '{ print $1 }'`
echo "rc.update_bogons.sh is sleeping for $value" | logger
sleep $value
fi
echo "rc.update_bogons.sh is beginning the update cycle." | logger
# Load custom bogon configuration
if [ -f /var/etc/bogon_custom ]; then
. /var/etc/bogon_custom
fi
# Set default values if not overriden
v4url=${v4url:-"https://files.pfsense.org/lists/fullbogons-ipv4.txt"}
v6url=${v6url:-"https://files.pfsense.org/lists/fullbogons-ipv6.txt"}
v4urlcksum=${v4urlcksum:-"${v4url}.md5"}
v6urlcksum=${v6urlcksum:-"${v6url}.md5"}
process_url /tmp/bogons "${v4url}"
process_url /tmp/bogonsv6 "${v6url}"
if [ "$proc_error" != "" ]; then
# Relaunch and sleep
sh /etc/rc.update_bogons.sh &
exit
fi
BOGON_V4_CKSUM=`/usr/bin/fetch -T 30 -q -o - "${v4urlcksum}" | awk '{ print $4 }'`
ON_DISK_V4_CKSUM=`md5 /tmp/bogons | awk '{ print $4 }'`
BOGON_V6_CKSUM=`/usr/bin/fetch -T 30 -q -o - "${v6urlcksum}" | awk '{ print $4 }'`
ON_DISK_V6_CKSUM=`md5 /tmp/bogonsv6 | awk '{ print $4 }'`
if [ "$BOGON_V4_CKSUM" = "$ON_DISK_V4_CKSUM" ] || [ "$BOGON_V6_CKSUM" = "$ON_DISK_V6_CKSUM" ]; then
# At least one of the downloaded checksums matches, so mount RW
/etc/rc.conf_mount_rw
ENTRIES_MAX=`pfctl -s memory | awk '/table-entries/ { print $4 }'`
if [ "$BOGON_V4_CKSUM" = "$ON_DISK_V4_CKSUM" ]; then
ENTRIES_TOT=`pfctl -vvsTables | awk '/Addresses/ {s+=$2}; END {print s}'`
ENTRIES_V4=`pfctl -vvsTables | awk '/-\tbogons$/ {getline; print $2}'`
LINES_V4=`wc -l /tmp/bogons | awk '{ print $1 }'`
if [ $ENTRIES_MAX -gt $((2*ENTRIES_TOT-${ENTRIES_V4:-0}+LINES_V4)) ]; then
egrep -v "^192.168.0.0/16|^172.16.0.0/12|^10.0.0.0/8" /tmp/bogons > /etc/bogons
RESULT=`/sbin/pfctl -t bogons -T replace -f /etc/bogons 2>&1`
echo "$RESULT" | awk '{ print "Bogons V4 file downloaded: " $0 }' | logger
else
echo "Not updating IPv4 bogons (increase table-entries limit)" | logger
fi
rm /tmp/bogons
else
echo "Could not download ${v4url} (checksum mismatch)" | logger
checksum_error="true"
fi
if [ "$BOGON_V6_CKSUM" = "$ON_DISK_V6_CKSUM" ]; then
BOGONS_V6_TABLE_COUNT=`pfctl -sTables | grep ^bogonsv6$ | wc -l | awk '{ print $1 }'`
ENTRIES_TOT=`pfctl -vvsTables | awk '/Addresses/ {s+=$2}; END {print s}'`
LINES_V6=`wc -l /tmp/bogonsv6 | awk '{ print $1 }'`
if [ $BOGONS_V6_TABLE_COUNT -gt 0 ]; then
ENTRIES_V6=`pfctl -vvsTables | awk '/-\tbogonsv6$/ {getline; print $2}'`
if [ $ENTRIES_MAX -gt $((2*ENTRIES_TOT-${ENTRIES_V6:-0}+LINES_V6)) ]; then
egrep -iv "^fc00::/7" /tmp/bogonsv6 > /etc/bogonsv6
RESULT=`/sbin/pfctl -t bogonsv6 -T replace -f /etc/bogonsv6 2>&1`
echo "$RESULT" | awk '{ print "Bogons V6 file downloaded: " $0 }' | logger
else
echo "Not saving or updating IPv6 bogons (increase table-entries limit)" | logger
fi
else
if [ $ENTRIES_MAX -gt $((2*ENTRIES_TOT+LINES_V6)) ]; then
egrep -iv "^fc00::/7" /tmp/bogonsv6 > /etc/bogonsv6
echo "Bogons V6 file downloaded but not updating IPv6 bogons table because IPv6 Allow is off" | logger
else
echo "Not saving IPv6 bogons table (IPv6 Allow is off and table-entries limit is potentially too low)" | logger
fi
fi
rm /tmp/bogonsv6
else
echo "Could not download ${v6url} (checksum mismatch)" | logger
checksum_error="true"
fi
# We mounted RW, so switch back to RO
/etc/rc.conf_mount_ro
fi
if [ "$checksum_error" != "" ]; then
# Relaunch and sleep
sh /etc/rc.update_bogons.sh &
exit
fi
echo "rc.update_bogons.sh is ending the update cycle." | logger
|