aboutsummaryrefslogtreecommitdiffstats
path: root/fw-addr-lists.rsc
blob: 887263ebdb77af919f8b9cf67c70ba83246aa2ae (plain) (blame)
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
153
154
155
156
157
158
159
#!rsc by RouterOS
# RouterOS script: fw-addr-lists
# Copyright (c) 2023-2024 Christian Hesse <mail@eworm.de>
# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
#
# requires RouterOS, version=7.12
#
# download, import and update firewall address-lists
# https://git.eworm.de/cgit/routeros-scripts/about/doc/fw-addr-lists.md

:global GlobalFunctionsReady;
:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }

:do {
  :local ScriptName [ :jobname ];

  :global FwAddrLists;
  :global FwAddrListTimeOut;

  :global CertificateAvailable;
  :global EitherOr;
  :global FetchUserAgent;
  :global LogPrint;
  :global LogPrintOnce;
  :global ScriptLock;
  :global WaitFullyConnected;

  :local FindDelim do={
    :local ValidChars "0123456789.:/ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-";
    :for I from=0 to=[ :len $1 ] do={
      :if ([ :typeof [ :find $ValidChars [ :pick ($1 . " ") $I ] ] ] != "num") do={
        :return $I;
      }
    }
  }

  :if ([ $ScriptLock $ScriptName ] = false) do={
    :error false;
  }
  $WaitFullyConnected;

  :local ListComment ("managed by " . $ScriptName);

  :foreach FwListName,FwList in=$FwAddrLists do={
    :local CntAdd 0;
    :local CntRenew 0;
    :local CntRemove 0;
    :local IPv4Addresses ({});
    :local IPv6Addresses ({});
    :local Failure false;

    :foreach List in=$FwList do={
      :local CheckCertificate "no";
      :local Data false;
      :local TimeOut [ $EitherOr [ :totime ($List->"timeout") ] $FwAddrListTimeOut ];

      :if ([ :len ($List->"cert") ] > 0) do={
        :set CheckCertificate "yes-without-crl";
        :if ([ $CertificateAvailable ($List->"cert") ] = false) do={
          $LogPrint warning $ScriptName ("Downloading required certificate failed, trying anyway.");
        }
      }

      :for I from=1 to=5 do={
        :if ($Data = false) do={
          :do {
            :set Data ([ /tool/fetch check-certificate=$CheckCertificate output=user \
              http-header-field=({ [ $FetchUserAgent $ScriptName ] }) ($List->"url") as-value ]->"data");
          } on-error={
            :if ($I < 5) do={
              $LogPrint debug $ScriptName ("Failed downloading, " . $I . ". try: " . $List->"url");
              :delay (($I * $I) . "s");
            }
          }
        }
      }

      :if ($Data = false) do={
        :set Data "";
        :set Failure true;
        $LogPrint warning $ScriptName ("Failed downloading list from: " . $List->"url");
      }

      :if ([ :len $Data ] > 63000) do={
        $LogPrintOnce warning $ScriptName ("The list is huge and may be truncated: " . $List->"url");
      }

      :while ([ :len $Data ] != 0) do={
        :local Line [ :pick $Data 0 [ :find $Data "\n" ] ];
        :local Address ([ :pick $Line 0 [ $FindDelim $Line ] ] . ($List->"cidr"));
        :if ($Address ~ "^[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}(/[0-9]{1,2})?\$" || \
             $Address ~ "^[\\.a-zA-Z0-9-]+\\.[a-zA-Z]{2,}\$") do={
          :set ($IPv4Addresses->$Address) $TimeOut;
        }
        :if ($Address ~ "^[0-9a-zA-Z]*:[0-9a-zA-Z:\\.]+(/[0-9]{1,3})?\$" || \
             $Address ~ "^[\\.a-zA-Z0-9-]+\\.[a-zA-Z]{2,}\$") do={
          :set ($IPv6Addresses->$Address) $TimeOut;
        }
        :set Data [ :pick $Data ([ :len $Line ] + 1) [ :len $Data ] ];
      }
    }

    :foreach Entry in=[ /ip/firewall/address-list/find where list=$FwListName comment=$ListComment ] do={
      :local Address [ /ip/firewall/address-list/get $Entry address ];
      :if ([ :typeof ($IPv4Addresses->$Address) ] = "time") do={
        $LogPrint debug $ScriptName ("Renewing IPv4 address for " . ($IPv4Addresses->$Address) . ": " . $Address);
        /ip/firewall/address-list/set $Entry timeout=($IPv4Addresses->$Address);
        :set ($IPv4Addresses->$Address);
        :set CntRenew ($CntRenew + 1);
      } else={
        :if ($Failure = false) do={
          $LogPrint debug $ScriptName ("Removing IPv4 address: " . $Address);
          /ip/firewall/address-list/remove $Entry;
          :set CntRemove ($CntRemove + 1);
        }
      }
    }

    :foreach Entry in=[ /ipv6/firewall/address-list/find where list=$FwListName comment=$ListComment ] do={
      :local Address [ /ipv6/firewall/address-list/get $Entry address ];
      :if ([ :typeof ($IPv6Addresses->$Address) ] = "time") do={
        $LogPrint debug $ScriptName ("Renewing IPv6 address for " . ($IPv6Addresses->$Address) . ": " . $Address);
        /ipv6/firewall/address-list/set $Entry timeout=($IPv6Addresses->$Address);
        :set ($IPv6Addresses->$Address);
        :set CntRenew ($CntRenew + 1);
      } else={
        :if ($Failure = false) do={
          $LogPrint debug $ScriptName ("Removing: " . $Address);
          /ipv6/firewall/address-list/remove $Entry;
          :set CntRemove ($CntRemove + 1);
        }
      }
    }

    :foreach Address,Timeout in=$IPv4Addresses do={
      $LogPrint debug $ScriptName ("Adding IPv4 address for " . $Timeout . ": " . $Address);
      :do {
        /ip/firewall/address-list/add list=$FwListName comment=$ListComment address=$Address timeout=$Timeout;
        :set ($IPv4Addresses->$Address);
        :set CntAdd ($CntAdd + 1);
      } on-error={
        $LogPrint warning $ScriptName ("Failed to add IPv4 address " . $Address . " to list '" . $FwListName . "'.");
      }
    }

    :foreach Address,Timeout in=$IPv6Addresses do={
      $LogPrint debug $ScriptName ("Adding IPv6 address for " . $Timeout . ": " . $Address);
      :do {
        /ipv6/firewall/address-list/add list=$FwListName comment=$ListComment address=$Address timeout=$Timeout;
        :set ($IPv6Addresses->$Address);
        :set CntAdd ($CntAdd + 1);
      } on-error={
        $LogPrint warning $ScriptName ("Failed to add IPv6 address " . $Address . " to list '" . $FwListName . "'.");
      }
    }

    $LogPrint info $ScriptName ("list: " . $FwListName . " -- added: " . $CntAdd . " - renewed: " . $CntRenew . " - removed: " . $CntRemove);
  }
} on-error={ }