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<div class="title">makeseeds.py</div> </div>
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<a href="makeseeds_8py.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html"> 1</a></span>&#160;<span class="comment">#!/usr/bin/env python</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">#</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"># Generate seeds.txt from Pieter&#39;s DNS seeder</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">#</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;</div><div class="line"><a name="l00006"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#a5e5b9a8c8ea69889674158d2aa2cf547"> 6</a></span>&#160;NSEEDS=512</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#a464c5d6436f7ef9731b1bb458b46aa5a"> 8</a></span>&#160;MAX_SEEDS_PER_ASN=2</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#a07fce16a659448da7bb77f4b31cde863"> 10</a></span>&#160;MIN_BLOCKS = 400000</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"># These are hosts that have been observed to be behaving strangely (e.g.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"># aggressively connecting to every node).</span></div><div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#a8b7669bd20a39feb25442340021268c8"> 14</a></span>&#160;SUSPICIOUS_HOSTS = set([</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; <span class="stringliteral">&quot;130.211.129.106&quot;</span>, <span class="stringliteral">&quot;178.63.107.226&quot;</span>,</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="stringliteral">&quot;83.81.130.26&quot;</span>, <span class="stringliteral">&quot;88.198.17.7&quot;</span>, <span class="stringliteral">&quot;148.251.238.178&quot;</span>, <span class="stringliteral">&quot;176.9.46.6&quot;</span>,</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; <span class="stringliteral">&quot;54.173.72.127&quot;</span>, <span class="stringliteral">&quot;54.174.10.182&quot;</span>, <span class="stringliteral">&quot;54.183.64.54&quot;</span>, <span class="stringliteral">&quot;54.194.231.211&quot;</span>,</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; <span class="stringliteral">&quot;54.66.214.167&quot;</span>, <span class="stringliteral">&quot;54.66.220.137&quot;</span>, <span class="stringliteral">&quot;54.67.33.14&quot;</span>, <span class="stringliteral">&quot;54.77.251.214&quot;</span>,</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; <span class="stringliteral">&quot;54.94.195.96&quot;</span>, <span class="stringliteral">&quot;54.94.200.247&quot;</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;])</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">import</span> re</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">import</span> sys</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">import</span> dns.resolver</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">import</span> collections</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#a3c34e05efb79b725fa70892bc90b72ee"> 27</a></span>&#160;PATTERN_IPV4 = re.compile(<span class="stringliteral">r&quot;^((\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})):(\d+)$&quot;</span>)</div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#a232b871f3333b351b3ddea1d1b20b6eb"> 28</a></span>&#160;PATTERN_IPV6 = re.compile(<span class="stringliteral">r&quot;^\[([0-9a-z:]+)\]:(\d+)$&quot;</span>)</div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#adc4b19d1a6c24b8453a0dcc0c0a22f87"> 29</a></span>&#160;PATTERN_ONION = re.compile(<span class="stringliteral">r&quot;^([abcdefghijklmnopqrstuvwxyz234567]{16}\.onion):(\d+)$&quot;</span>)</div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#ad8013ac9fe59d83465c1097a6aa66cb9"> 30</a></span>&#160;PATTERN_AGENT = re.compile(<span class="stringliteral">r&quot;^(\/Satoshi:0\.8\.6\/|\/Satoshi:0\.9\.(2|3|4|5)\/|\/Core:0.1(0|1|2).\d{1,2}.\d{1,2}\/)$&quot;</span>)</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#a394256bb8780f1a3ee4f2b9a3bb5c5ff"> 32</a></span>&#160;<span class="keyword">def </span><a class="code" href="namespacemakeseeds.html#a394256bb8780f1a3ee4f2b9a3bb5c5ff">parseline</a>(line):</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; sline = line.split()</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordflow">if</span> len(sline) &lt; 11:</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keywordflow">return</span> <span class="keywordtype">None</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; m = PATTERN_IPV4.match(sline[0])</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; sortkey = <span class="keywordtype">None</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; ip = <span class="keywordtype">None</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keywordflow">if</span> m <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; m = PATTERN_IPV6.match(sline[0])</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keywordflow">if</span> m <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; m = PATTERN_ONION.match(sline[0])</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">if</span> m <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordflow">return</span> <span class="keywordtype">None</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keywordflow">else</span>:</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; net = <span class="stringliteral">&#39;onion&#39;</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; ipstr = sortkey = m.group(1)</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; port = int(m.group(2))</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordflow">else</span>:</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; net = <span class="stringliteral">&#39;ipv6&#39;</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keywordflow">if</span> m.group(1) <span class="keywordflow">in</span> [<span class="stringliteral">&#39;::&#39;</span>]: <span class="comment"># Not interested in localhost</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordflow">return</span> <span class="keywordtype">None</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; ipstr = m.group(1)</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; sortkey = ipstr <span class="comment"># XXX parse IPv6 into number, could use name_to_ipv6 from generate-seeds</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; port = int(m.group(2))</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">else</span>:</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="comment"># Do IPv4 sanity check</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; ip = 0</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">for</span> i <span class="keywordflow">in</span> range(0,4):</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">if</span> int(m.group(i+2)) &lt; 0 <span class="keywordflow">or</span> int(m.group(i+2)) &gt; 255:</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keywordflow">return</span> <span class="keywordtype">None</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; ip = ip + (int(m.group(i+2)) &lt;&lt; (8*(3-i)))</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordflow">if</span> ip == 0:</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordflow">return</span> <span class="keywordtype">None</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; net = <span class="stringliteral">&#39;ipv4&#39;</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; sortkey = ip</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; ipstr = m.group(1)</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; port = int(m.group(6))</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="comment"># Skip bad results.</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordflow">if</span> sline[1] == 0:</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordflow">return</span> <span class="keywordtype">None</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="comment"># Extract uptime %.</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; uptime30 = float(sline[7][:-1])</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="comment"># Extract Unix timestamp of last success.</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; lastsuccess = int(sline[2])</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="comment"># Extract protocol version.</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; version = int(sline[10])</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="comment"># Extract user agent.</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; agent = sline[11][1:-1]</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment"># Extract service flags.</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; service = int(sline[9], 16)</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="comment"># Extract blocks.</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; blocks = int(sline[8])</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="comment"># Construct result.</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">return</span> {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="stringliteral">&#39;net&#39;</span>: net,</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="stringliteral">&#39;ip&#39;</span>: ipstr,</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="stringliteral">&#39;port&#39;</span>: port,</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="stringliteral">&#39;ipnum&#39;</span>: ip,</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="stringliteral">&#39;uptime&#39;</span>: uptime30,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="stringliteral">&#39;lastsuccess&#39;</span>: lastsuccess,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="stringliteral">&#39;version&#39;</span>: version,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="stringliteral">&#39;agent&#39;</span>: agent,</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="stringliteral">&#39;service&#39;</span>: service,</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="stringliteral">&#39;blocks&#39;</span>: blocks,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="stringliteral">&#39;sortkey&#39;</span>: sortkey,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;</div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#a276db6e3c488b3df9d020d1a63a8781c"> 99</a></span>&#160;<span class="keyword">def </span><a class="code" href="namespacemakeseeds.html#a276db6e3c488b3df9d020d1a63a8781c">filtermultiport</a>(ips):</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="stringliteral">&#39;&#39;&#39;Filter out hosts with more nodes per IP&#39;&#39;&#39;</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; hist = collections.defaultdict(list)</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips:</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; hist[ip[<span class="stringliteral">&#39;sortkey&#39;</span>]].append(ip)</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">return</span> [value[0] <span class="keywordflow">for</span> (key,value) <span class="keywordflow">in</span> hist.items() <span class="keywordflow">if</span> len(value)==1]</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;<span class="comment"># Based on Greg Maxwell&#39;s seed_filter.py</span></div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#aa79047f3863ce4f47158cddcc256920a"> 107</a></span>&#160;<span class="keyword">def </span><a class="code" href="namespacemakeseeds.html#aa79047f3863ce4f47158cddcc256920a">filterbyasn</a>(ips, max_per_asn, max_total):</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="comment"># Sift out ips by type</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; ips_ipv4 = [ip <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips <span class="keywordflow">if</span> ip[<span class="stringliteral">&#39;net&#39;</span>] == <span class="stringliteral">&#39;ipv4&#39;</span>]</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; ips_ipv6 = [ip <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips <span class="keywordflow">if</span> ip[<span class="stringliteral">&#39;net&#39;</span>] == <span class="stringliteral">&#39;ipv6&#39;</span>]</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; ips_onion = [ip <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips <span class="keywordflow">if</span> ip[<span class="stringliteral">&#39;net&#39;</span>] == <span class="stringliteral">&#39;onion&#39;</span>]</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="comment"># Filter IPv4 by ASN</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; result = []</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; asn_count = {}</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips_ipv4:</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordflow">if</span> len(result) == max_total:</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">break</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">try</span>:</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; asn = int([x.to_text() <span class="keywordflow">for</span> x <span class="keywordflow">in</span> dns.resolver.query(<span class="stringliteral">&#39;.&#39;</span>.join(reversed(ip[<span class="stringliteral">&#39;ip&#39;</span>].split(<span class="stringliteral">&#39;.&#39;</span>))) + <span class="stringliteral">&#39;.origin.asn.cymru.com&#39;</span>, <span class="stringliteral">&#39;TXT&#39;</span>).response.answer][0].split(<span class="stringliteral">&#39;\&quot;&#39;</span>)[1].split(<span class="stringliteral">&#39; &#39;</span>)[0])</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keywordflow">if</span> asn <span class="keywordflow">not</span> <span class="keywordflow">in</span> asn_count:</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; asn_count[asn] = 0</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keywordflow">if</span> asn_count[asn] == max_per_asn:</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">continue</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; asn_count[asn] += 1</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; result.append(ip)</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keywordflow">except</span>:</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; sys.stderr.write(<span class="stringliteral">&#39;ERR: Could not resolve ASN for &quot;&#39;</span> + ip[<span class="stringliteral">&#39;ip&#39;</span>] + <span class="stringliteral">&#39;&quot;\n&#39;</span>)</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="comment"># TODO: filter IPv6 by ASN</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="comment"># Add back non-IPv4</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; result.extend(ips_ipv6)</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; result.extend(ips_onion)</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordflow">return</span> result</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;</div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="namespacemakeseeds.html#a3c6b31f6b2bb0e89e94f40caa8a1b309"> 137</a></span>&#160;<span class="keyword">def </span><a class="code" href="namespacemakeseeds.html#a3c6b31f6b2bb0e89e94f40caa8a1b309">main</a>():</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; lines = sys.stdin.readlines()</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; ips = [<a class="code" href="namespacemakeseeds.html#a394256bb8780f1a3ee4f2b9a3bb5c5ff">parseline</a>(line) <span class="keywordflow">for</span> line <span class="keywordflow">in</span> lines]</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="comment"># Skip entries with valid address.</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; ips = [ip <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips <span class="keywordflow">if</span> ip <span class="keywordflow">is</span> <span class="keywordflow">not</span> <span class="keywordtype">None</span>]</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="comment"># Skip entries from suspicious hosts.</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; ips = [ip <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips <span class="keywordflow">if</span> ip[<span class="stringliteral">&#39;ip&#39;</span>] <span class="keywordflow">not</span> <span class="keywordflow">in</span> SUSPICIOUS_HOSTS]</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="comment"># Enforce minimal number of blocks.</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; ips = [ip <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips <span class="keywordflow">if</span> ip[<span class="stringliteral">&#39;blocks&#39;</span>] &gt;= MIN_BLOCKS]</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="comment"># Require service bit 1.</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; ips = [ip <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips <span class="keywordflow">if</span> (ip[<span class="stringliteral">&#39;service&#39;</span>] &amp; 1) == 1]</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="comment"># Require at least 50% 30-day uptime.</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; ips = [ip <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips <span class="keywordflow">if</span> ip[<span class="stringliteral">&#39;uptime&#39;</span>] &gt; 50]</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="comment"># Require a known and recent user agent.</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; ips = [ip <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips <span class="keywordflow">if</span> PATTERN_AGENT.match(ip[<span class="stringliteral">&#39;agent&#39;</span>])]</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="comment"># Sort by availability (and use last success as tie breaker)</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; ips.sort(key=<span class="keyword">lambda</span> x: (x[<span class="stringliteral">&#39;uptime&#39;</span>], x[<span class="stringliteral">&#39;lastsuccess&#39;</span>], x[<span class="stringliteral">&#39;ip&#39;</span>]), reverse=<span class="keyword">True</span>)</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="comment"># Filter out hosts with multiple ports, these are likely abusive</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; ips = <a class="code" href="namespacemakeseeds.html#a276db6e3c488b3df9d020d1a63a8781c">filtermultiport</a>(ips)</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="comment"># Look up ASNs and limit results, both per ASN and globally.</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; ips = <a class="code" href="namespacemakeseeds.html#aa79047f3863ce4f47158cddcc256920a">filterbyasn</a>(ips, MAX_SEEDS_PER_ASN, NSEEDS)</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="comment"># Sort the results by IP address (for deterministic output).</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; ips.sort(key=<span class="keyword">lambda</span> x: (x[<span class="stringliteral">&#39;net&#39;</span>], x[<span class="stringliteral">&#39;sortkey&#39;</span>]))</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordflow">for</span> ip <span class="keywordflow">in</span> ips:</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordflow">if</span> ip[<span class="stringliteral">&#39;net&#39;</span>] == <span class="stringliteral">&#39;ipv6&#39;</span>:</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">print</span> <span class="stringliteral">&#39;[%s]:%i&#39;</span> % (ip[<span class="stringliteral">&#39;ip&#39;</span>], ip[<span class="stringliteral">&#39;port&#39;</span>])</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">else</span>:</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keywordflow">print</span> <span class="stringliteral">&#39;%s:%i&#39;</span> % (ip[<span class="stringliteral">&#39;ip&#39;</span>], ip[<span class="stringliteral">&#39;port&#39;</span>])</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;<span class="keywordflow">if</span> __name__ == <span class="stringliteral">&#39;__main__&#39;</span>:</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <a class="code" href="namespacemakeseeds.html#a3c6b31f6b2bb0e89e94f40caa8a1b309">main</a>()</div><div class="ttc" id="namespacemakeseeds_html_a394256bb8780f1a3ee4f2b9a3bb5c5ff"><div class="ttname"><a href="namespacemakeseeds.html#a394256bb8780f1a3ee4f2b9a3bb5c5ff">makeseeds.parseline</a></div><div class="ttdeci">def parseline(line)</div><div class="ttdef"><b>Definition:</b> <a href="makeseeds_8py_source.html#l00032">makeseeds.py:32</a></div></div>
<div class="ttc" id="namespacemakeseeds_html_a276db6e3c488b3df9d020d1a63a8781c"><div class="ttname"><a href="namespacemakeseeds.html#a276db6e3c488b3df9d020d1a63a8781c">makeseeds.filtermultiport</a></div><div class="ttdeci">def filtermultiport(ips)</div><div class="ttdef"><b>Definition:</b> <a href="makeseeds_8py_source.html#l00099">makeseeds.py:99</a></div></div>
<div class="ttc" id="namespacemakeseeds_html_a3c6b31f6b2bb0e89e94f40caa8a1b309"><div class="ttname"><a href="namespacemakeseeds.html#a3c6b31f6b2bb0e89e94f40caa8a1b309">makeseeds.main</a></div><div class="ttdeci">def main()</div><div class="ttdef"><b>Definition:</b> <a href="makeseeds_8py_source.html#l00137">makeseeds.py:137</a></div></div>
<div class="ttc" id="namespacemakeseeds_html_aa79047f3863ce4f47158cddcc256920a"><div class="ttname"><a href="namespacemakeseeds.html#aa79047f3863ce4f47158cddcc256920a">makeseeds.filterbyasn</a></div><div class="ttdeci">def filterbyasn(ips, max_per_asn, max_total)</div><div class="ttdef"><b>Definition:</b> <a href="makeseeds_8py_source.html#l00107">makeseeds.py:107</a></div></div>
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