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Add formatTCPFlags, used by printTCPFlags

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This commit is contained in:
Alfredo Cardigliano 2021-07-28 18:36:20 +02:00
parent de576aa999
commit 3acde3b3ec
1 changed files with 13 additions and 8 deletions
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21
scripts/lua/modules/lua_utils.lua
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@ -3010,16 +3010,21 @@ function purgedErrorString()
return i18n("purged_error_message",{url=ntop.getHttpPrefix()..'/lua/admin/prefs.lua?tab=in_memory', product=info["product"]})
end
-- print TCP flags
function formatTCPFlags(flags)
if(hasbit(flags,0x01)) then return('<span class="badge bg-warning">FIN</span> ') end
if(hasbit(flags,0x02)) then return('<span class="badge bg-warning">SYN</span> ') end
if(hasbit(flags,0x04)) then return('<span class="badge bg-danger">RST</span> ') end
if(hasbit(flags,0x08)) then return('<span class="badge bg-warning">PUSH</span> ') end
if(hasbit(flags,0x10)) then return('<span class="badge bg-warning">ACK</span> ') end
if(hasbit(flags,0x20)) then return('<span class="badge bg-warning">URG</span> ') end
if(hasbit(flags,0x40)) then return('<span class="badge bg-warning">ECE</span> ') end
if(hasbit(flags,0x80)) then return('<span class="badge bg-warning">CWR</span> ') end
end
-- print TCP flags
function printTCPFlags(flags)
if(hasbit(flags,0x01)) then print('<span class="badge bg-warning">FIN</span> ') end
if(hasbit(flags,0x02)) then print('<span class="badge bg-warning">SYN</span> ') end
if(hasbit(flags,0x04)) then print('<span class="badge bg-danger">RST</span> ') end
if(hasbit(flags,0x08)) then print('<span class="badge bg-warning">PUSH</span> ') end
if(hasbit(flags,0x10)) then print('<span class="badge bg-warning">ACK</span> ') end
if(hasbit(flags,0x20)) then print('<span class="badge bg-warning">URG</span> ') end
if(hasbit(flags,0x40)) then print('<span class="badge bg-warning">ECE</span> ') end
if(hasbit(flags,0x80)) then print('<span class="badge bg-warning">CWR</span> ') end
print(formatTCPFlags(flags))
end
-- convert the integer carrying TCP flags in a more convenient lua table