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Fix IPv6 Neighbor Discovery for PPP based protocols

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This commit is contained in:
sl077
2021-05-09 13:55:31 +02:00
parent e2d61133fe
commit f9a1d72ce7
4 changed files with 26 additions and 18 deletions
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22
src/Mayaqua/TcpIp.c
View File

@ -845,7 +845,7 @@ BUF *BuildICMPv6(IPV6_ADDR *src_ip, IPV6_ADDR *dest_ip, UCHAR hop_limit, UCHAR t
}
// Build an ICMPv6 Neighbor Solicitation packet
BUF *BuildICMPv6NeighborSoliciation(IPV6_ADDR *src_ip, IPV6_ADDR *target_ip, UCHAR *my_mac_address, UINT id)
BUF *BuildICMPv6NeighborSoliciation(IPV6_ADDR *src_ip, IPV6_ADDR *target_ip, UCHAR *my_mac_address, UINT id, bool use_multicast)
{
ICMPV6_OPTION_LIST opt;
ICMPV6_OPTION_LINK_LAYER link;
@ -875,8 +875,24 @@ BUF *BuildICMPv6NeighborSoliciation(IPV6_ADDR *src_ip, IPV6_ADDR *target_ip, UCH
WriteBuf(b2, &header, sizeof(header));
WriteBufBuf(b2, b);
ret = BuildICMPv6(src_ip, target_ip, 255,
ICMPV6_TYPE_NEIGHBOR_SOLICIATION, 0, b2->Buf, b2->Size, id);
if (use_multicast)
{
IPV6_ADDR solicitAddress;
Zero(&solicitAddress, sizeof(IPV6_ADDR));
solicitAddress.Value[0] = 0xFF;
solicitAddress.Value[1] = 0x02;
solicitAddress.Value[11] = 0x01;
solicitAddress.Value[12] = 0xFF;
Copy(&solicitAddress.Value[13], &target_ip->Value[13], 3);
ret = BuildICMPv6(src_ip, &solicitAddress, 255,
ICMPV6_TYPE_NEIGHBOR_SOLICIATION, 0, b2->Buf, b2->Size, id);
}
else
{
ret = BuildICMPv6(src_ip, target_ip, 255,
ICMPV6_TYPE_NEIGHBOR_SOLICIATION, 0, b2->Buf, b2->Size, id);
}
FreeBuf(b);
FreeBuf(b2);

2
src/Mayaqua/TcpIp.h
View File

@ -792,7 +792,7 @@ BUF *BuildIPv6(IPV6_ADDR *dest_ip, IPV6_ADDR *src_ip, UINT id, UCHAR protocol, U
BUF *BuildIPv6PacketHeader(IPV6_HEADER_PACKET_INFO *info, UINT *bytes_before_payload);
UCHAR IPv6GetNextHeaderFromQueue(QUEUE *q);
void BuildAndAddIPv6PacketOptionHeader(BUF *b, IPV6_OPTION_HEADER *opt, UCHAR next_header, UINT size);
BUF *BuildICMPv6NeighborSoliciation(IPV6_ADDR *src_ip, IPV6_ADDR *target_ip, UCHAR *my_mac_address, UINT id);
BUF *BuildICMPv6NeighborSoliciation(IPV6_ADDR *src_ip, IPV6_ADDR *target_ip, UCHAR *my_mac_address, UINT id, bool use_multicast);
BUF *BuildICMPv6RouterSoliciation(IPV6_ADDR *src_ip, IPV6_ADDR *target_ip, UCHAR *my_mac_address, UINT id);
BUF *BuildICMPv6(IPV6_ADDR *src_ip, IPV6_ADDR *dest_ip, UCHAR hop_limit, UCHAR type, UCHAR code, void *data, UINT size, UINT id);