NetworkPkg: Apply uncrustify changes
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the NetworkPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>
This commit is contained in:
Michael Kubacki
committed by
mergify[bot]
mergify[bot]
parent
2f88bd3a12
commit
d1050b9dff
@@ -28,15 +28,15 @@
|
||||
**/
|
||||
BOOLEAN
|
||||
Ip6IsOptionValid (
|
||||
IN IP6_SERVICE *IpSb,
|
||||
IN NET_BUF *Packet,
|
||||
IN UINT8 *Option,
|
||||
IN UINT8 OptionLen,
|
||||
IN UINT32 Pointer
|
||||
IN IP6_SERVICE *IpSb,
|
||||
IN NET_BUF *Packet,
|
||||
IN UINT8 *Option,
|
||||
IN UINT8 OptionLen,
|
||||
IN UINT32 Pointer
|
||||
)
|
||||
{
|
||||
UINT8 Offset;
|
||||
UINT8 OptionType;
|
||||
UINT8 Offset;
|
||||
UINT8 OptionType;
|
||||
|
||||
Offset = 0;
|
||||
|
||||
@@ -44,68 +44,67 @@ Ip6IsOptionValid (
|
||||
OptionType = *(Option + Offset);
|
||||
|
||||
switch (OptionType) {
|
||||
case Ip6OptionPad1:
|
||||
//
|
||||
// It is a Pad1 option
|
||||
//
|
||||
Offset++;
|
||||
break;
|
||||
case Ip6OptionPadN:
|
||||
//
|
||||
// It is a PadN option
|
||||
//
|
||||
Offset = (UINT8) (Offset + *(Option + Offset + 1) + 2);
|
||||
break;
|
||||
case Ip6OptionRouterAlert:
|
||||
//
|
||||
// It is a Router Alert Option
|
||||
//
|
||||
Offset += 4;
|
||||
break;
|
||||
default:
|
||||
//
|
||||
// The highest-order two bits specify the action must be taken if
|
||||
// the processing IPv6 node does not recognize the option type.
|
||||
//
|
||||
switch (OptionType & Ip6OptionMask) {
|
||||
case Ip6OptionSkip:
|
||||
Offset = (UINT8) (Offset + *(Option + Offset + 1));
|
||||
case Ip6OptionPad1:
|
||||
//
|
||||
// It is a Pad1 option
|
||||
//
|
||||
Offset++;
|
||||
break;
|
||||
case Ip6OptionDiscard:
|
||||
return FALSE;
|
||||
case Ip6OptionParameterProblem:
|
||||
Pointer = Pointer + Offset + sizeof (EFI_IP6_HEADER);
|
||||
Ip6SendIcmpError (
|
||||
IpSb,
|
||||
Packet,
|
||||
NULL,
|
||||
&Packet->Ip.Ip6->SourceAddress,
|
||||
ICMP_V6_PARAMETER_PROBLEM,
|
||||
2,
|
||||
&Pointer
|
||||
);
|
||||
return FALSE;
|
||||
case Ip6OptionMask:
|
||||
if (!IP6_IS_MULTICAST (&Packet->Ip.Ip6->DestinationAddress)) {
|
||||
Pointer = Pointer + Offset + sizeof (EFI_IP6_HEADER);
|
||||
Ip6SendIcmpError (
|
||||
IpSb,
|
||||
Packet,
|
||||
NULL,
|
||||
&Packet->Ip.Ip6->SourceAddress,
|
||||
ICMP_V6_PARAMETER_PROBLEM,
|
||||
2,
|
||||
&Pointer
|
||||
);
|
||||
case Ip6OptionPadN:
|
||||
//
|
||||
// It is a PadN option
|
||||
//
|
||||
Offset = (UINT8)(Offset + *(Option + Offset + 1) + 2);
|
||||
break;
|
||||
case Ip6OptionRouterAlert:
|
||||
//
|
||||
// It is a Router Alert Option
|
||||
//
|
||||
Offset += 4;
|
||||
break;
|
||||
default:
|
||||
//
|
||||
// The highest-order two bits specify the action must be taken if
|
||||
// the processing IPv6 node does not recognize the option type.
|
||||
//
|
||||
switch (OptionType & Ip6OptionMask) {
|
||||
case Ip6OptionSkip:
|
||||
Offset = (UINT8)(Offset + *(Option + Offset + 1));
|
||||
break;
|
||||
case Ip6OptionDiscard:
|
||||
return FALSE;
|
||||
case Ip6OptionParameterProblem:
|
||||
Pointer = Pointer + Offset + sizeof (EFI_IP6_HEADER);
|
||||
Ip6SendIcmpError (
|
||||
IpSb,
|
||||
Packet,
|
||||
NULL,
|
||||
&Packet->Ip.Ip6->SourceAddress,
|
||||
ICMP_V6_PARAMETER_PROBLEM,
|
||||
2,
|
||||
&Pointer
|
||||
);
|
||||
return FALSE;
|
||||
case Ip6OptionMask:
|
||||
if (!IP6_IS_MULTICAST (&Packet->Ip.Ip6->DestinationAddress)) {
|
||||
Pointer = Pointer + Offset + sizeof (EFI_IP6_HEADER);
|
||||
Ip6SendIcmpError (
|
||||
IpSb,
|
||||
Packet,
|
||||
NULL,
|
||||
&Packet->Ip.Ip6->SourceAddress,
|
||||
ICMP_V6_PARAMETER_PROBLEM,
|
||||
2,
|
||||
&Pointer
|
||||
);
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
break;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
break;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
@@ -125,13 +124,13 @@ Ip6IsOptionValid (
|
||||
**/
|
||||
BOOLEAN
|
||||
Ip6IsNDOptionValid (
|
||||
IN UINT8 *Option,
|
||||
IN UINT16 OptionLen
|
||||
IN UINT8 *Option,
|
||||
IN UINT16 OptionLen
|
||||
)
|
||||
{
|
||||
UINT32 Offset;
|
||||
UINT16 Length;
|
||||
IP6_OPTION_HEADER *OptionHeader;
|
||||
UINT32 Offset;
|
||||
UINT16 Length;
|
||||
IP6_OPTION_HEADER *OptionHeader;
|
||||
|
||||
if (Option == NULL) {
|
||||
ASSERT (Option != NULL);
|
||||
@@ -146,50 +145,54 @@ Ip6IsNDOptionValid (
|
||||
// fit within the input buffer.
|
||||
//
|
||||
while (Offset + sizeof (IP6_OPTION_HEADER) - 1 < OptionLen) {
|
||||
OptionHeader = (IP6_OPTION_HEADER*) (Option + Offset);
|
||||
Length = (UINT16) OptionHeader->Length * 8;
|
||||
OptionHeader = (IP6_OPTION_HEADER *)(Option + Offset);
|
||||
Length = (UINT16)OptionHeader->Length * 8;
|
||||
|
||||
switch (OptionHeader->Type) {
|
||||
case Ip6OptionPrefixInfo:
|
||||
if (Length != 32) {
|
||||
return FALSE;
|
||||
}
|
||||
break;
|
||||
case Ip6OptionPrefixInfo:
|
||||
if (Length != 32) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
case Ip6OptionMtu:
|
||||
if (Length != 8) {
|
||||
return FALSE;
|
||||
}
|
||||
break;
|
||||
break;
|
||||
|
||||
default:
|
||||
// RFC 4861 states that Length field cannot be 0.
|
||||
if (Length == 0) {
|
||||
return FALSE;
|
||||
}
|
||||
break;
|
||||
case Ip6OptionMtu:
|
||||
if (Length != 8) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
default:
|
||||
// RFC 4861 states that Length field cannot be 0.
|
||||
if (Length == 0) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
//
|
||||
// Check whether recognized options are within the input buffer's scope.
|
||||
//
|
||||
switch (OptionHeader->Type) {
|
||||
case Ip6OptionEtherSource:
|
||||
case Ip6OptionEtherTarget:
|
||||
case Ip6OptionPrefixInfo:
|
||||
case Ip6OptionRedirected:
|
||||
case Ip6OptionMtu:
|
||||
if (Offset + Length > (UINT32) OptionLen) {
|
||||
return FALSE;
|
||||
}
|
||||
break;
|
||||
case Ip6OptionEtherSource:
|
||||
case Ip6OptionEtherTarget:
|
||||
case Ip6OptionPrefixInfo:
|
||||
case Ip6OptionRedirected:
|
||||
case Ip6OptionMtu:
|
||||
if (Offset + Length > (UINT32)OptionLen) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
default:
|
||||
//
|
||||
// Unrecognized options can be either valid (but unused) or invalid
|
||||
// (garbage in between or right after valid options). Silently ignore.
|
||||
//
|
||||
break;
|
||||
break;
|
||||
|
||||
default:
|
||||
//
|
||||
// Unrecognized options can be either valid (but unused) or invalid
|
||||
// (garbage in between or right after valid options). Silently ignore.
|
||||
//
|
||||
break;
|
||||
}
|
||||
|
||||
//
|
||||
@@ -202,7 +205,6 @@ Ip6IsNDOptionValid (
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Validate whether the NextHeader is a known valid protocol or one of the user configured
|
||||
protocols from the upper layer.
|
||||
@@ -216,18 +218,19 @@ Ip6IsNDOptionValid (
|
||||
**/
|
||||
BOOLEAN
|
||||
Ip6IsValidProtocol (
|
||||
IN IP6_SERVICE *IpSb,
|
||||
IN UINT8 NextHeader
|
||||
IN IP6_SERVICE *IpSb,
|
||||
IN UINT8 NextHeader
|
||||
)
|
||||
{
|
||||
LIST_ENTRY *Entry;
|
||||
IP6_PROTOCOL *IpInstance;
|
||||
LIST_ENTRY *Entry;
|
||||
IP6_PROTOCOL *IpInstance;
|
||||
|
||||
if (NextHeader == EFI_IP_PROTO_TCP ||
|
||||
NextHeader == EFI_IP_PROTO_UDP ||
|
||||
NextHeader == IP6_ICMP ||
|
||||
NextHeader == IP6_ESP
|
||||
) {
|
||||
if ((NextHeader == EFI_IP_PROTO_TCP) ||
|
||||
(NextHeader == EFI_IP_PROTO_UDP) ||
|
||||
(NextHeader == IP6_ICMP) ||
|
||||
(NextHeader == IP6_ESP)
|
||||
)
|
||||
{
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
@@ -281,29 +284,29 @@ Ip6IsValidProtocol (
|
||||
**/
|
||||
BOOLEAN
|
||||
Ip6IsExtsValid (
|
||||
IN IP6_SERVICE *IpSb OPTIONAL,
|
||||
IN NET_BUF *Packet OPTIONAL,
|
||||
IN UINT8 *NextHeader,
|
||||
IN UINT8 *ExtHdrs,
|
||||
IN UINT32 ExtHdrsLen,
|
||||
IN BOOLEAN Rcvd,
|
||||
OUT UINT32 *FormerHeader OPTIONAL,
|
||||
OUT UINT8 **LastHeader,
|
||||
OUT UINT32 *RealExtsLen OPTIONAL,
|
||||
OUT UINT32 *UnFragmentLen OPTIONAL,
|
||||
OUT BOOLEAN *Fragmented OPTIONAL
|
||||
IN IP6_SERVICE *IpSb OPTIONAL,
|
||||
IN NET_BUF *Packet OPTIONAL,
|
||||
IN UINT8 *NextHeader,
|
||||
IN UINT8 *ExtHdrs,
|
||||
IN UINT32 ExtHdrsLen,
|
||||
IN BOOLEAN Rcvd,
|
||||
OUT UINT32 *FormerHeader OPTIONAL,
|
||||
OUT UINT8 **LastHeader,
|
||||
OUT UINT32 *RealExtsLen OPTIONAL,
|
||||
OUT UINT32 *UnFragmentLen OPTIONAL,
|
||||
OUT BOOLEAN *Fragmented OPTIONAL
|
||||
)
|
||||
{
|
||||
UINT32 Pointer;
|
||||
UINT32 Offset;
|
||||
UINT8 *Option;
|
||||
UINT8 OptionLen;
|
||||
BOOLEAN Flag;
|
||||
UINT8 CountD;
|
||||
UINT8 CountA;
|
||||
IP6_FRAGMENT_HEADER *FragmentHead;
|
||||
UINT16 FragmentOffset;
|
||||
IP6_ROUTING_HEADER *RoutingHead;
|
||||
UINT32 Pointer;
|
||||
UINT32 Offset;
|
||||
UINT8 *Option;
|
||||
UINT8 OptionLen;
|
||||
BOOLEAN Flag;
|
||||
UINT8 CountD;
|
||||
UINT8 CountA;
|
||||
IP6_FRAGMENT_HEADER *FragmentHead;
|
||||
UINT16 FragmentOffset;
|
||||
IP6_ROUTING_HEADER *RoutingHead;
|
||||
|
||||
if (RealExtsLen != NULL) {
|
||||
*RealExtsLen = 0;
|
||||
@@ -319,11 +322,11 @@ Ip6IsExtsValid (
|
||||
|
||||
*LastHeader = NextHeader;
|
||||
|
||||
if (ExtHdrs == NULL && ExtHdrsLen == 0) {
|
||||
if ((ExtHdrs == NULL) && (ExtHdrsLen == 0)) {
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
if ((ExtHdrs == NULL && ExtHdrsLen != 0) || (ExtHdrs != NULL && ExtHdrsLen == 0)) {
|
||||
if (((ExtHdrs == NULL) && (ExtHdrsLen != 0)) || ((ExtHdrs != NULL) && (ExtHdrsLen == 0))) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
@@ -334,25 +337,228 @@ Ip6IsExtsValid (
|
||||
CountA = 0;
|
||||
|
||||
while (Offset <= ExtHdrsLen) {
|
||||
|
||||
switch (*NextHeader) {
|
||||
case IP6_HOP_BY_HOP:
|
||||
if (Offset != 0) {
|
||||
if (!Rcvd) {
|
||||
case IP6_HOP_BY_HOP:
|
||||
if (Offset != 0) {
|
||||
if (!Rcvd) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
//
|
||||
// Hop-by-Hop Options header is restricted to appear immediately after an IPv6 header only.
|
||||
// If not, generate a ICMP parameter problem message with code value of 1.
|
||||
//
|
||||
if (Pointer == 0) {
|
||||
Pointer = sizeof (EFI_IP6_HEADER);
|
||||
} else {
|
||||
Pointer = Offset + sizeof (EFI_IP6_HEADER);
|
||||
}
|
||||
|
||||
if ((IpSb != NULL) && (Packet != NULL) &&
|
||||
!IP6_IS_MULTICAST (&Packet->Ip.Ip6->DestinationAddress))
|
||||
{
|
||||
Ip6SendIcmpError (
|
||||
IpSb,
|
||||
Packet,
|
||||
NULL,
|
||||
&Packet->Ip.Ip6->SourceAddress,
|
||||
ICMP_V6_PARAMETER_PROBLEM,
|
||||
1,
|
||||
&Pointer
|
||||
);
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
Flag = TRUE;
|
||||
|
||||
//
|
||||
// Fall through
|
||||
//
|
||||
case IP6_DESTINATION:
|
||||
if (*NextHeader == IP6_DESTINATION) {
|
||||
CountD++;
|
||||
}
|
||||
|
||||
if (CountD > 2) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
NextHeader = ExtHdrs + Offset;
|
||||
Pointer = Offset;
|
||||
|
||||
Offset++;
|
||||
Option = ExtHdrs + Offset;
|
||||
OptionLen = (UINT8)((*Option + 1) * 8 - 2);
|
||||
Option++;
|
||||
Offset++;
|
||||
|
||||
if ((IpSb != NULL) && (Packet != NULL) && !Ip6IsOptionValid (IpSb, Packet, Option, OptionLen, Offset)) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
Offset = Offset + OptionLen;
|
||||
|
||||
if (Flag) {
|
||||
if (UnFragmentLen != NULL) {
|
||||
*UnFragmentLen = Offset;
|
||||
}
|
||||
|
||||
Flag = FALSE;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case IP6_ROUTING:
|
||||
NextHeader = ExtHdrs + Offset;
|
||||
RoutingHead = (IP6_ROUTING_HEADER *)NextHeader;
|
||||
|
||||
//
|
||||
// Hop-by-Hop Options header is restricted to appear immediately after an IPv6 header only.
|
||||
// If not, generate a ICMP parameter problem message with code value of 1.
|
||||
// Type 0 routing header is defined in RFC2460 and deprecated in RFC5095.
|
||||
// Thus all routing types are processed as unrecognized.
|
||||
//
|
||||
if (Pointer == 0) {
|
||||
Pointer = sizeof (EFI_IP6_HEADER);
|
||||
if (RoutingHead->SegmentsLeft == 0) {
|
||||
//
|
||||
// Ignore the routing header and proceed to process the next header.
|
||||
//
|
||||
Offset = Offset + (RoutingHead->HeaderLen + 1) * 8;
|
||||
|
||||
if (UnFragmentLen != NULL) {
|
||||
*UnFragmentLen = Offset;
|
||||
}
|
||||
} else {
|
||||
Pointer = Offset + sizeof (EFI_IP6_HEADER);
|
||||
//
|
||||
// Discard the packet and send an ICMP Parameter Problem, Code 0, message
|
||||
// to the packet's source address, pointing to the unrecognized routing
|
||||
// type.
|
||||
//
|
||||
Pointer = Offset + 2 + sizeof (EFI_IP6_HEADER);
|
||||
if ((IpSb != NULL) && (Packet != NULL) &&
|
||||
!IP6_IS_MULTICAST (&Packet->Ip.Ip6->DestinationAddress))
|
||||
{
|
||||
Ip6SendIcmpError (
|
||||
IpSb,
|
||||
Packet,
|
||||
NULL,
|
||||
&Packet->Ip.Ip6->SourceAddress,
|
||||
ICMP_V6_PARAMETER_PROBLEM,
|
||||
0,
|
||||
&Pointer
|
||||
);
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case IP6_FRAGMENT:
|
||||
|
||||
//
|
||||
// RFC2402, AH header should after fragment header.
|
||||
//
|
||||
if (CountA > 1) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
//
|
||||
// RFC2460, ICMP Parameter Problem message with code 0 should be sent
|
||||
// if the length of a fragment is not a multiple of 8 octets and the M
|
||||
// flag of that fragment is 1, pointing to the Payload length field of the
|
||||
// fragment packet.
|
||||
//
|
||||
if ((IpSb != NULL) && (Packet != NULL) && ((ExtHdrsLen % 8) != 0)) {
|
||||
//
|
||||
// Check whether it is the last fragment.
|
||||
//
|
||||
FragmentHead = (IP6_FRAGMENT_HEADER *)(ExtHdrs + Offset);
|
||||
if (FragmentHead == NULL) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
FragmentOffset = NTOHS (FragmentHead->FragmentOffset);
|
||||
|
||||
if (((FragmentOffset & 0x1) == 0x1) &&
|
||||
!IP6_IS_MULTICAST (&Packet->Ip.Ip6->DestinationAddress))
|
||||
{
|
||||
Pointer = sizeof (UINT32);
|
||||
Ip6SendIcmpError (
|
||||
IpSb,
|
||||
Packet,
|
||||
NULL,
|
||||
&Packet->Ip.Ip6->SourceAddress,
|
||||
ICMP_V6_PARAMETER_PROBLEM,
|
||||
0,
|
||||
&Pointer
|
||||
);
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
if (Fragmented != NULL) {
|
||||
*Fragmented = TRUE;
|
||||
}
|
||||
|
||||
if (Rcvd && (FormerHeader != NULL)) {
|
||||
*FormerHeader = (UINT32)(NextHeader - ExtHdrs);
|
||||
}
|
||||
|
||||
NextHeader = ExtHdrs + Offset;
|
||||
Offset = Offset + 8;
|
||||
break;
|
||||
|
||||
case IP6_AH:
|
||||
if (++CountA > 1) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
Option = ExtHdrs + Offset;
|
||||
NextHeader = Option;
|
||||
Option++;
|
||||
//
|
||||
// RFC2402, Payload length is specified in 32-bit words, minus "2".
|
||||
//
|
||||
OptionLen = (UINT8)((*Option + 2) * 4);
|
||||
Offset = Offset + OptionLen;
|
||||
break;
|
||||
|
||||
case IP6_NO_NEXT_HEADER:
|
||||
*LastHeader = NextHeader;
|
||||
return FALSE;
|
||||
break;
|
||||
|
||||
default:
|
||||
if (Ip6IsValidProtocol (IpSb, *NextHeader)) {
|
||||
*LastHeader = NextHeader;
|
||||
|
||||
if (RealExtsLen != NULL) {
|
||||
*RealExtsLen = Offset;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
//
|
||||
// The Next Header value is unrecognized by the node, discard the packet and
|
||||
// send an ICMP parameter problem message with code value of 1.
|
||||
//
|
||||
if (Offset == 0) {
|
||||
//
|
||||
// The Next Header directly follows IPv6 basic header.
|
||||
//
|
||||
Pointer = 6;
|
||||
} else {
|
||||
if (Pointer == 0) {
|
||||
Pointer = sizeof (EFI_IP6_HEADER);
|
||||
} else {
|
||||
Pointer = Offset + sizeof (EFI_IP6_HEADER);
|
||||
}
|
||||
}
|
||||
|
||||
if ((IpSb != NULL) && (Packet != NULL) &&
|
||||
!IP6_IS_MULTICAST (&Packet->Ip.Ip6->DestinationAddress)) {
|
||||
!IP6_IS_MULTICAST (&Packet->Ip.Ip6->DestinationAddress))
|
||||
{
|
||||
Ip6SendIcmpError (
|
||||
IpSb,
|
||||
Packet,
|
||||
@@ -363,207 +569,8 @@ Ip6IsExtsValid (
|
||||
&Pointer
|
||||
);
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
Flag = TRUE;
|
||||
|
||||
//
|
||||
// Fall through
|
||||
//
|
||||
case IP6_DESTINATION:
|
||||
if (*NextHeader == IP6_DESTINATION) {
|
||||
CountD++;
|
||||
}
|
||||
|
||||
if (CountD > 2) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
NextHeader = ExtHdrs + Offset;
|
||||
Pointer = Offset;
|
||||
|
||||
Offset++;
|
||||
Option = ExtHdrs + Offset;
|
||||
OptionLen = (UINT8) ((*Option + 1) * 8 - 2);
|
||||
Option++;
|
||||
Offset++;
|
||||
|
||||
if (IpSb != NULL && Packet != NULL && !Ip6IsOptionValid (IpSb, Packet, Option, OptionLen, Offset)) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
Offset = Offset + OptionLen;
|
||||
|
||||
if (Flag) {
|
||||
if (UnFragmentLen != NULL) {
|
||||
*UnFragmentLen = Offset;
|
||||
}
|
||||
|
||||
Flag = FALSE;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case IP6_ROUTING:
|
||||
NextHeader = ExtHdrs + Offset;
|
||||
RoutingHead = (IP6_ROUTING_HEADER *) NextHeader;
|
||||
|
||||
//
|
||||
// Type 0 routing header is defined in RFC2460 and deprecated in RFC5095.
|
||||
// Thus all routing types are processed as unrecognized.
|
||||
//
|
||||
if (RoutingHead->SegmentsLeft == 0) {
|
||||
//
|
||||
// Ignore the routing header and proceed to process the next header.
|
||||
//
|
||||
Offset = Offset + (RoutingHead->HeaderLen + 1) * 8;
|
||||
|
||||
if (UnFragmentLen != NULL) {
|
||||
*UnFragmentLen = Offset;
|
||||
}
|
||||
|
||||
} else {
|
||||
//
|
||||
// Discard the packet and send an ICMP Parameter Problem, Code 0, message
|
||||
// to the packet's source address, pointing to the unrecognized routing
|
||||
// type.
|
||||
//
|
||||
Pointer = Offset + 2 + sizeof (EFI_IP6_HEADER);
|
||||
if ((IpSb != NULL) && (Packet != NULL) &&
|
||||
!IP6_IS_MULTICAST (&Packet->Ip.Ip6->DestinationAddress)) {
|
||||
Ip6SendIcmpError (
|
||||
IpSb,
|
||||
Packet,
|
||||
NULL,
|
||||
&Packet->Ip.Ip6->SourceAddress,
|
||||
ICMP_V6_PARAMETER_PROBLEM,
|
||||
0,
|
||||
&Pointer
|
||||
);
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case IP6_FRAGMENT:
|
||||
|
||||
//
|
||||
// RFC2402, AH header should after fragment header.
|
||||
//
|
||||
if (CountA > 1) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
//
|
||||
// RFC2460, ICMP Parameter Problem message with code 0 should be sent
|
||||
// if the length of a fragment is not a multiple of 8 octets and the M
|
||||
// flag of that fragment is 1, pointing to the Payload length field of the
|
||||
// fragment packet.
|
||||
//
|
||||
if (IpSb != NULL && Packet != NULL && (ExtHdrsLen % 8) != 0) {
|
||||
//
|
||||
// Check whether it is the last fragment.
|
||||
//
|
||||
FragmentHead = (IP6_FRAGMENT_HEADER *) (ExtHdrs + Offset);
|
||||
if (FragmentHead == NULL) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
FragmentOffset = NTOHS (FragmentHead->FragmentOffset);
|
||||
|
||||
if (((FragmentOffset & 0x1) == 0x1) &&
|
||||
!IP6_IS_MULTICAST (&Packet->Ip.Ip6->DestinationAddress)) {
|
||||
Pointer = sizeof (UINT32);
|
||||
Ip6SendIcmpError (
|
||||
IpSb,
|
||||
Packet,
|
||||
NULL,
|
||||
&Packet->Ip.Ip6->SourceAddress,
|
||||
ICMP_V6_PARAMETER_PROBLEM,
|
||||
0,
|
||||
&Pointer
|
||||
);
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
if (Fragmented != NULL) {
|
||||
*Fragmented = TRUE;
|
||||
}
|
||||
|
||||
if (Rcvd && FormerHeader != NULL) {
|
||||
*FormerHeader = (UINT32) (NextHeader - ExtHdrs);
|
||||
}
|
||||
|
||||
NextHeader = ExtHdrs + Offset;
|
||||
Offset = Offset + 8;
|
||||
break;
|
||||
|
||||
case IP6_AH:
|
||||
if (++CountA > 1) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
Option = ExtHdrs + Offset;
|
||||
NextHeader = Option;
|
||||
Option++;
|
||||
//
|
||||
// RFC2402, Payload length is specified in 32-bit words, minus "2".
|
||||
//
|
||||
OptionLen = (UINT8) ((*Option + 2) * 4);
|
||||
Offset = Offset + OptionLen;
|
||||
break;
|
||||
|
||||
case IP6_NO_NEXT_HEADER:
|
||||
*LastHeader = NextHeader;
|
||||
return FALSE;
|
||||
break;
|
||||
|
||||
default:
|
||||
if (Ip6IsValidProtocol (IpSb, *NextHeader)) {
|
||||
|
||||
*LastHeader = NextHeader;
|
||||
|
||||
if (RealExtsLen != NULL) {
|
||||
*RealExtsLen = Offset;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
//
|
||||
// The Next Header value is unrecognized by the node, discard the packet and
|
||||
// send an ICMP parameter problem message with code value of 1.
|
||||
//
|
||||
if (Offset == 0) {
|
||||
//
|
||||
// The Next Header directly follows IPv6 basic header.
|
||||
//
|
||||
Pointer = 6;
|
||||
} else {
|
||||
if (Pointer == 0) {
|
||||
Pointer = sizeof (EFI_IP6_HEADER);
|
||||
} else {
|
||||
Pointer = Offset + sizeof (EFI_IP6_HEADER);
|
||||
}
|
||||
}
|
||||
|
||||
if ((IpSb != NULL) && (Packet != NULL) &&
|
||||
!IP6_IS_MULTICAST (&Packet->Ip.Ip6->DestinationAddress)) {
|
||||
Ip6SendIcmpError (
|
||||
IpSb,
|
||||
Packet,
|
||||
NULL,
|
||||
&Packet->Ip.Ip6->SourceAddress,
|
||||
ICMP_V6_PARAMETER_PROBLEM,
|
||||
1,
|
||||
&Pointer
|
||||
);
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -592,12 +599,12 @@ Ip6IsExtsValid (
|
||||
**/
|
||||
EFI_STATUS
|
||||
Ip6FillHopByHop (
|
||||
OUT UINT8 *Buffer,
|
||||
IN OUT UINTN *BufferLen,
|
||||
IN UINT8 NextHeader
|
||||
OUT UINT8 *Buffer,
|
||||
IN OUT UINTN *BufferLen,
|
||||
IN UINT8 NextHeader
|
||||
)
|
||||
{
|
||||
UINT8 BufferArray[8];
|
||||
UINT8 BufferArray[8];
|
||||
|
||||
if (*BufferLen < 8) {
|
||||
*BufferLen = 8;
|
||||
@@ -640,23 +647,23 @@ Ip6FillHopByHop (
|
||||
**/
|
||||
EFI_STATUS
|
||||
Ip6FillFragmentHeader (
|
||||
IN IP6_SERVICE *IpSb,
|
||||
IN UINT8 NextHeader,
|
||||
IN UINT8 LastHeader,
|
||||
IN UINT8 *ExtHdrs,
|
||||
IN UINT32 ExtHdrsLen,
|
||||
IN UINT16 FragmentOffset,
|
||||
OUT UINT8 **UpdatedExtHdrs
|
||||
IN IP6_SERVICE *IpSb,
|
||||
IN UINT8 NextHeader,
|
||||
IN UINT8 LastHeader,
|
||||
IN UINT8 *ExtHdrs,
|
||||
IN UINT32 ExtHdrsLen,
|
||||
IN UINT16 FragmentOffset,
|
||||
OUT UINT8 **UpdatedExtHdrs
|
||||
)
|
||||
{
|
||||
UINT32 Length;
|
||||
UINT8 *Buffer;
|
||||
UINT32 FormerHeader;
|
||||
UINT32 Offset;
|
||||
UINT32 Part1Len;
|
||||
UINT32 HeaderLen;
|
||||
UINT8 Current;
|
||||
IP6_FRAGMENT_HEADER FragmentHead;
|
||||
UINT32 Length;
|
||||
UINT8 *Buffer;
|
||||
UINT32 FormerHeader;
|
||||
UINT32 Offset;
|
||||
UINT32 Part1Len;
|
||||
UINT32 HeaderLen;
|
||||
UINT8 Current;
|
||||
IP6_FRAGMENT_HEADER FragmentHead;
|
||||
|
||||
if (UpdatedExtHdrs == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
@@ -668,82 +675,81 @@ Ip6FillFragmentHeader (
|
||||
return EFI_OUT_OF_RESOURCES;
|
||||
}
|
||||
|
||||
Offset = 0;
|
||||
Part1Len = 0;
|
||||
FormerHeader = 0;
|
||||
Current = NextHeader;
|
||||
Offset = 0;
|
||||
Part1Len = 0;
|
||||
FormerHeader = 0;
|
||||
Current = NextHeader;
|
||||
|
||||
while ((ExtHdrs != NULL) && (Offset <= ExtHdrsLen)) {
|
||||
switch (NextHeader) {
|
||||
case IP6_ROUTING:
|
||||
case IP6_HOP_BY_HOP:
|
||||
case IP6_DESTINATION:
|
||||
Current = NextHeader;
|
||||
NextHeader = *(ExtHdrs + Offset);
|
||||
case IP6_ROUTING:
|
||||
case IP6_HOP_BY_HOP:
|
||||
case IP6_DESTINATION:
|
||||
Current = NextHeader;
|
||||
NextHeader = *(ExtHdrs + Offset);
|
||||
|
||||
if ((Current == IP6_DESTINATION) && (NextHeader != IP6_ROUTING)) {
|
||||
//
|
||||
// Destination Options header should occur at most twice, once before
|
||||
// a Routing header and once before the upper-layer header. Here we
|
||||
// find the one before the upper-layer header. Insert the Fragment
|
||||
// Header before it.
|
||||
//
|
||||
CopyMem (Buffer, ExtHdrs, Part1Len);
|
||||
*(Buffer + FormerHeader) = IP6_FRAGMENT;
|
||||
//
|
||||
// Exit the loop.
|
||||
//
|
||||
Offset = ExtHdrsLen + 1;
|
||||
if ((Current == IP6_DESTINATION) && (NextHeader != IP6_ROUTING)) {
|
||||
//
|
||||
// Destination Options header should occur at most twice, once before
|
||||
// a Routing header and once before the upper-layer header. Here we
|
||||
// find the one before the upper-layer header. Insert the Fragment
|
||||
// Header before it.
|
||||
//
|
||||
CopyMem (Buffer, ExtHdrs, Part1Len);
|
||||
*(Buffer + FormerHeader) = IP6_FRAGMENT;
|
||||
//
|
||||
// Exit the loop.
|
||||
//
|
||||
Offset = ExtHdrsLen + 1;
|
||||
break;
|
||||
}
|
||||
|
||||
FormerHeader = Offset;
|
||||
HeaderLen = (*(ExtHdrs + Offset + 1) + 1) * 8;
|
||||
Part1Len = Part1Len + HeaderLen;
|
||||
Offset = Offset + HeaderLen;
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
FormerHeader = Offset;
|
||||
HeaderLen = (*(ExtHdrs + Offset + 1) + 1) * 8;
|
||||
Part1Len = Part1Len + HeaderLen;
|
||||
Offset = Offset + HeaderLen;
|
||||
break;
|
||||
|
||||
case IP6_FRAGMENT:
|
||||
Current = NextHeader;
|
||||
|
||||
if (Part1Len != 0) {
|
||||
CopyMem (Buffer, ExtHdrs, Part1Len);
|
||||
}
|
||||
|
||||
*(Buffer + FormerHeader) = IP6_FRAGMENT;
|
||||
|
||||
//
|
||||
// Exit the loop.
|
||||
//
|
||||
Offset = ExtHdrsLen + 1;
|
||||
break;
|
||||
|
||||
case IP6_AH:
|
||||
Current = NextHeader;
|
||||
NextHeader = *(ExtHdrs + Offset);
|
||||
//
|
||||
// RFC2402, Payload length is specified in 32-bit words, minus "2".
|
||||
//
|
||||
HeaderLen = (*(ExtHdrs + Offset + 1) + 2) * 4;
|
||||
Part1Len = Part1Len + HeaderLen;
|
||||
Offset = Offset + HeaderLen;
|
||||
break;
|
||||
|
||||
default:
|
||||
if (Ip6IsValidProtocol (IpSb, NextHeader)) {
|
||||
case IP6_FRAGMENT:
|
||||
Current = NextHeader;
|
||||
CopyMem (Buffer, ExtHdrs, Part1Len);
|
||||
|
||||
if (Part1Len != 0) {
|
||||
CopyMem (Buffer, ExtHdrs, Part1Len);
|
||||
}
|
||||
|
||||
*(Buffer + FormerHeader) = IP6_FRAGMENT;
|
||||
|
||||
//
|
||||
// Exit the loop.
|
||||
//
|
||||
Offset = ExtHdrsLen + 1;
|
||||
break;
|
||||
}
|
||||
|
||||
FreePool (Buffer);
|
||||
return EFI_UNSUPPORTED;
|
||||
case IP6_AH:
|
||||
Current = NextHeader;
|
||||
NextHeader = *(ExtHdrs + Offset);
|
||||
//
|
||||
// RFC2402, Payload length is specified in 32-bit words, minus "2".
|
||||
//
|
||||
HeaderLen = (*(ExtHdrs + Offset + 1) + 2) * 4;
|
||||
Part1Len = Part1Len + HeaderLen;
|
||||
Offset = Offset + HeaderLen;
|
||||
break;
|
||||
|
||||
default:
|
||||
if (Ip6IsValidProtocol (IpSb, NextHeader)) {
|
||||
Current = NextHeader;
|
||||
CopyMem (Buffer, ExtHdrs, Part1Len);
|
||||
*(Buffer + FormerHeader) = IP6_FRAGMENT;
|
||||
//
|
||||
// Exit the loop.
|
||||
//
|
||||
Offset = ExtHdrsLen + 1;
|
||||
break;
|
||||
}
|
||||
|
||||
FreePool (Buffer);
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -778,4 +784,3 @@ Ip6FillFragmentHeader (
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user