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fix byte order

This commit is contained in:
Christian Ulrich 2020-07-13 09:38:58 +02:00
parent c6d4fadd6e
commit 504445a118
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GPG Key ID: 8241BE099775A097
1 changed files with 2 additions and 2 deletions
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4
ip_packet.nim
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@ -68,8 +68,8 @@ proc parseEthernetPacket*(input: string): IpPacket =
let etherHeader = cast[ptr Ether_header](input.cstring) let etherHeader = cast[ptr Ether_header](input.cstring)
if ntohs(etherHeader.ether_type) == ETHERTYPE_IP: if ntohs(etherHeader.ether_type) == ETHERTYPE_IP:
let ipHeader = cast[ptr Ip](cast[int](input.cstring) + sizeof(Ether_header)) let ipHeader = cast[ptr Ip](cast[int](input.cstring) + sizeof(Ether_header))
let ipSrcScalar = ntohl(ipHeader.ip_src.s_addr) let ipSrcScalar = ipHeader.ip_src.s_addr
let ipDstScalar = ntohl(ipHeader.ip_dst.s_addr) let ipDstScalar = ipHeader.ip_dst.s_addr
let ipSrc = IpAddress(family: Ipv4, let ipSrc = IpAddress(family: Ipv4,
address_v4: cast[array[4, uint8]](ipSrcScalar)) address_v4: cast[array[4, uint8]](ipSrcScalar))
let ipDst = IpAddress(family: Ipv4, let ipDst = IpAddress(family: Ipv4,