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Fix a meaningless error message when parsing IPv6 extension headers.

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This commit is contained in:
dmiller
2020-09-17 21:41:18 +00:00
parent c6270d73bf
commit c4ae093630
1 changed files with 2 additions and 1 deletions
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3
nselib/packet.lua
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@@ -246,7 +246,7 @@ function Packet:new(packet, packet_len, force_continue)
if o.ip_v == 6 then
while o:ipv6_is_extension_header() do
if not o:ipv6_ext_header_parse(force_continue) or o.ip6_data_offset >= o.packet_len then
if o.ip6_data_offset >= o.packet_len or not o:ipv6_ext_header_parse(force_continue) then
stdnse.debug1("Error while parsing IPv6 extension headers.")
return o
end
@@ -626,6 +626,7 @@ function Packet:ipv6_ext_header_parse(force_continue)
ext_hdr_len = ext_hdr_len*8 + 8
self.ip6_data_offset = self.ip6_data_offset + ext_hdr_len
self.ip6_nhdr = self:u8(self.ip6_data_offset)
return true
end
--- Set the payload length field.
-- @param plen Payload length.