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Preliminary IPC IPv6 implementation (untested)

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This commit is contained in:
Evengard
2020-05-11 16:35:33 +03:00
parent 8fdf7302a5
commit 1d6a4d3ec8
9 changed files with 785 additions and 126 deletions
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70
src/Mayaqua/TcpIp.c
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@ -889,6 +889,44 @@ BUF *BuildICMPv6NeighborSoliciation(IPV6_ADDR *src_ip, IPV6_ADDR *target_ip, UCH
return ret;
}
BUF *BuildICMPv6RouterSoliciation(IPV6_ADDR* src_ip, IPV6_ADDR* target_ip, UCHAR* my_mac_address, UINT id)
{
ICMPV6_OPTION_LIST opt;
ICMPV6_OPTION_LINK_LAYER link;
ICMPV6_ROUTER_SOLICIATION_HEADER header;
BUF *b;
BUF *b2;
BUF *ret;
if (src_ip == NULL || target_ip == NULL || my_mac_address == NULL)
{
return NULL;
}
Zero(&link, sizeof(link));
Copy(link.Address, my_mac_address, 6);
Zero(&opt, sizeof(opt));
opt.SourceLinkLayer = &link;
b = BuildICMPv6Options(&opt);
Zero(&header, sizeof(header));
b2 = NewBuf();
WriteBuf(b2, &header, sizeof(header));
WriteBufBuf(b2, b);
ret = BuildICMPv6(src_ip, target_ip, 255,
ICMPV6_TYPE_ROUTER_SOLICIATION, 0, b2->Buf, b2->Size, id);
FreeBuf(b);
FreeBuf(b2);
return ret;
}
// Get the next header number from the queue
UCHAR IPv6GetNextHeaderFromQueue(QUEUE *q)
{
@ -1452,6 +1490,12 @@ PKT *ClonePacket(PKT *p, bool copy_data)
return ret;
}
// Parse the packet but without data layer except for ICMP
PKT* ParsePacketUpToICMPv6(UCHAR* buf, UINT size)
{
return ParsePacketEx5(buf, size, false, 0, true, true, false, true);
}
// Parse the contents of the packet
PKT *ParsePacket(UCHAR *buf, UINT size)
{
@ -1469,7 +1513,11 @@ PKT *ParsePacketEx3(UCHAR *buf, UINT size, bool no_l3, UINT vlan_type_id, bool b
{
return ParsePacketEx4(buf, size, no_l3, vlan_type_id, bridge_id_as_mac_address, false, false);
}
PKT *ParsePacketEx4(UCHAR *buf, UINT size, bool no_l3, UINT vlan_type_id, bool bridge_id_as_mac_address, bool no_http, bool correct_checksum)
PKT* ParsePacketEx4(UCHAR* buf, UINT size, bool no_l3, UINT vlan_type_id, bool bridge_id_as_mac_address, bool no_http, bool correct_checksum)
{
return ParsePacketEx5(buf, size, no_l3, vlan_type_id, bridge_id_as_mac_address, no_http, correct_checksum, false);
}
PKT* ParsePacketEx5(UCHAR* buf, UINT size, bool no_l3, UINT vlan_type_id, bool bridge_id_as_mac_address, bool no_http, bool correct_checksum, bool no_l3_l4_except_icmpv6)
{
PKT *p;
USHORT vlan_type_id_16;
@ -1559,7 +1607,7 @@ PKT *ParsePacketEx4(UCHAR *buf, UINT size, bool no_l3, UINT vlan_type_id, bool b
}
// Do parse
if (ParsePacketL2Ex(p, buf, size, no_l3) == false)
if (ParsePacketL2Ex(p, buf, size, no_l3, no_l3_l4_except_icmpv6) == false)
{
// Parsing failure
FreePacket(p);
@ -1929,7 +1977,7 @@ HTTPLOG *ParseHttpAccessLog(PKT *pkt)
// Layer-2 parsing
bool ParsePacketL2Ex(PKT *p, UCHAR *buf, UINT size, bool no_l3)
bool ParsePacketL2Ex(PKT *p, UCHAR *buf, UINT size, bool no_l3, bool no_l3_l4_except_icmpv6)
{
UINT i;
bool b1, b2;
@ -1994,7 +2042,7 @@ bool ParsePacketL2Ex(PKT *p, UCHAR *buf, UINT size, bool no_l3)
switch (type_id_16)
{
case MAC_PROTO_ARPV4: // ARPv4
if (no_l3)
if (no_l3 || no_l3_l4_except_icmpv6)
{
return true;
}
@ -2002,7 +2050,7 @@ bool ParsePacketL2Ex(PKT *p, UCHAR *buf, UINT size, bool no_l3)
return ParsePacketARPv4(p, buf, size);
case MAC_PROTO_IPV4: // IPv4
if (no_l3)
if (no_l3 || no_l3_l4_except_icmpv6)
{
return true;
}
@ -2015,7 +2063,7 @@ bool ParsePacketL2Ex(PKT *p, UCHAR *buf, UINT size, bool no_l3)
return true;
}
return ParsePacketIPv6(p, buf, size);
return ParsePacketIPv6(p, buf, size, no_l3_l4_except_icmpv6);
default: // Unknown
if (type_id_16 == p->VlanTypeID)
@ -2538,7 +2586,7 @@ void CloneICMPv6Options(ICMPV6_OPTION_LIST *dst, ICMPV6_OPTION_LIST *src)
}
// IPv6 parsing
bool ParsePacketIPv6(PKT *p, UCHAR *buf, UINT size)
bool ParsePacketIPv6(PKT *p, UCHAR *buf, UINT size, bool no_l3_l4_except_icmpv6)
{
// Validate arguments
if (p == NULL || buf == NULL)
@ -2585,9 +2633,17 @@ bool ParsePacketIPv6(PKT *p, UCHAR *buf, UINT size)
}
case IP_PROTO_TCP: // TCP
if (no_l3_l4_except_icmpv6)
{
return true;
}
return ParseTCP(p, buf, size);
case IP_PROTO_UDP: // UDP
if (no_l3_l4_except_icmpv6)
{
return true;
}
return ParseUDP(p, buf, size);
default: // Unknown