aboutsummaryrefslogtreecommitdiffstats
path: root/fw-addr-lists.rsc
blob: 15d292eddb8e94d181476860604467bc7d148c7f (about) (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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
#!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=7.13
#
# 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 FetchHuge;
  :global HumanReadableNum;
  :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 false;
      :local Data false;
      :local TimeOut [ $EitherOr [ :totime ($List->"timeout") ] $FwAddrListTimeOut ];

      :if ([ :len ($List->"cert") ] > 0) do={
        :set CheckCertificate true;
        :if ([ $CertificateAvailable ($List->"cert") ] = false) do={
          $LogPrint warning $ScriptName ("Downloading required certificate (" . $FwListName . \
              " / " . $List->"url" . ") failed, trying anyway.");
        }
      }

      :for I from=1 to=5 do={
        :if ($Data = false) do={
          :set Data [ $FetchHuge $ScriptName ($List->"url") $CheckCertificate ];
          :if ($Data = false) do={
            :if ($I < 5) do={
              $LogPrint debug $ScriptName ("Failed downloading for list '" . $FwListName . \
                  "', " . $I . ". try from: " . $List->"url");
              :delay (($I * $I) . "s");
            }
          }
        }
      }

      :if ($Data = false) do={
        :set Data "";
        :set Failure true;
        $LogPrint warning $ScriptName ("Failed downloading for list '" . $FwListName . \
            "' from: " . $List->"url");
      } else={
        $LogPrint debug $ScriptName ("Downloaded " . [ $HumanReadableNum [ :len $Data ] 1024 ] . \
            "B for list '" . $FwListName . "' from: " . $List->"url");
      }

      :while ([ :len $Data ] != 0) do={
        :local Line [ :pick $Data 0 [ :find $Data "\n" ] ];
        :local Address ([ :pick $Line 0 [ $FindDelim $Line ] ] . ($List->"cidr"));
        :do {
          :if ($Address ~ "^[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}(/[0-9]{1,2})?\$") do={
            :set ($IPv4Addresses->$Address) $TimeOut;
            :error true;
          }
          :if ($Address ~ "^[0-9a-zA-Z]*:[0-9a-zA-Z:\\.]+(/[0-9]{1,3})?\$") do={
            :set ($IPv6Addresses->$Address) $TimeOut;
            :error true;
          }
          :if ($Address ~ "^[\\.a-zA-Z0-9-]+\\.[a-zA-Z]{2,}\$") do={
            :set ($IPv4Addresses->$Address) $TimeOut;
            :set ($IPv6Addresses->$Address) $TimeOut;
            :error true;
          }
        } on-error={ }
        :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 in list '" . $FwListName . \
            "' with " . ($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 from list '" . $FwListName . \
              "': " . $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 in list '" . $FwListName . \
            "' with " . ($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 IPv6 address from list '" . $FwListName . \
              "': " . $Address);
          /ipv6/firewall/address-list/remove $Entry;
          :set CntRemove ($CntRemove + 1);
        }
      }
    }

    :foreach Address,Timeout in=$IPv4Addresses do={
      $LogPrint debug $ScriptName ("Adding IPv4 address to list '" . $FwListName . \
          "' with " . $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 to list '" . $FwListName . \
            "': " . $Address);
      }
    }

    :foreach Address,Timeout in=$IPv6Addresses do={
      $LogPrint debug $ScriptName ("Adding IPv6 address to list '" . $FwListName . \
          "' with " . $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 to list '" . $FwListName . \
            "': " . $Address);
      }
    }

    $LogPrint info $ScriptName ("list: " . $FwListName . \
        " -- added: " . [ $HumanReadableNum $CntAdd 1000 ] . \
        " - renewed: " . [ $HumanReadableNum $CntRenew 1000 ] . \
        " - removed: " . [ $HumanReadableNum $CntRemove 1000 ]);
  }
} on-error={ }