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NetworkPkg: Support DNS4/6 GeneralLookUp feature 

This patch is used to support DNS4/6 GeneralLookUp feature.

Cc: Subramanian Sriram <sriram-s@hpe.com>
Cc: El-Haj-Mahmoud Samer <samer.el-haj-mahmoud@hpe.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19579 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Jiaxin Wu 2015-12-30 08:10:55 +00:00 committed by jiaxinwu
parent 38eb83b89a
commit fcae1a9936
3 changed files with 522 additions and 80 deletions
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319
NetworkPkg/DnsDxe/DnsImpl.c
View File

@ -1013,6 +1013,61 @@ AddDns6ServerIp (
return EFI_SUCCESS;
}
/**
Fill QName for IP querying. QName is a domain name represented as
a sequence of labels, where each label consists of a length octet
followed by that number of octets. The domain name terminates with
the zero length octet for the null label of the root. Caller should
take responsibility to the buffer in QName.
@param HostName Queried HostName
@retval NULL Failed to fill QName.
@return QName filled successfully.
**/
UINT8 *
EFIAPI
DnsFillinQNameForQueryIp (
IN CHAR16 *HostName
)
{
CHAR8 *QueryName;
CHAR8 *Header;
CHAR8 *Tail;
UINTN Len;
UINTN Index;
QueryName = NULL;
Header = NULL;
Tail = NULL;
QueryName = AllocateZeroPool (DNS_DEFAULT_BLKSIZE);
if (QueryName == NULL) {
return NULL;
}
Header = QueryName;
Tail = Header + 1;
Len = 0;
for (Index = 0; HostName[Index] != 0; Index++) {
*Tail = (CHAR8) HostName[Index];
if (*Tail == '.') {
*Header = (CHAR8) Len;
Header = Tail;
Tail ++;
Len = 0;
} else {
Tail++;
Len++;
}
}
*Header = (CHAR8) Len;
*Tail = 0;
return QueryName;
}
/**
Find out whether the response is valid or invalid.
@ -1100,6 +1155,7 @@ ParseDnsResponse (
DNS6_TOKEN_ENTRY *Dns6TokenEntry;
UINT32 IpCount;
UINT32 RRCount;
UINT32 AnswerSectionNum;
EFI_IPv4_ADDRESS *HostAddr4;
@ -1108,6 +1164,9 @@ ParseDnsResponse (
EFI_DNS4_CACHE_ENTRY *Dns4CacheEntry;
EFI_DNS6_CACHE_ENTRY *Dns6CacheEntry;
DNS_RESOURCE_RECORD *Dns4RR;
DNS6_RESOURCE_RECORD *Dns6RR;
EFI_STATUS Status;
EFI_TPL OldTpl;
@ -1117,6 +1176,7 @@ ParseDnsResponse (
Dns6TokenEntry = NULL;
IpCount = 0;
RRCount = 0;
AnswerSectionNum = 0;
HostAddr4 = NULL;
@ -1125,6 +1185,9 @@ ParseDnsResponse (
Dns4CacheEntry = NULL;
Dns6CacheEntry = NULL;
Dns4RR = NULL;
Dns6RR = NULL;
*Completed = TRUE;
Status = EFI_SUCCESS;
@ -1197,29 +1260,81 @@ ParseDnsResponse (
}
//
// Check the Query type, do some buffer allocations.
// Do some buffer allocations.
//
if (Instance->Service->IpVersion == IP_VERSION_4) {
ASSERT (Dns4TokenEntry != NULL);
if (QuerySection->Type == DNS_TYPE_A) {
Dns4TokenEntry->Token->RspData.H2AData = AllocatePool (sizeof (DNS_HOST_TO_ADDR_DATA));
ASSERT (Dns4TokenEntry->Token->RspData.H2AData != NULL);
Dns4TokenEntry->Token->RspData.H2AData->IpList = AllocatePool (DnsHeader->AnswersNum * sizeof (EFI_IPv4_ADDRESS));
ASSERT (Dns4TokenEntry->Token->RspData.H2AData->IpList != NULL);
if (Dns4TokenEntry->GeneralLookUp) {
//
// It's the GeneralLookUp querying.
//
Dns4TokenEntry->Token->RspData.GLookupData = AllocatePool (sizeof (DNS_RESOURCE_RECORD));
if (Dns4TokenEntry->Token->RspData.GLookupData == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
Dns4TokenEntry->Token->RspData.GLookupData->RRList = AllocatePool (DnsHeader->AnswersNum * sizeof (DNS_RESOURCE_RECORD));
if (Dns4TokenEntry->Token->RspData.GLookupData->RRList == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
} else {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
//
// It's not the GeneralLookUp querying. Check the Query type.
//
if (QuerySection->Type == DNS_TYPE_A) {
Dns4TokenEntry->Token->RspData.H2AData = AllocatePool (sizeof (DNS_HOST_TO_ADDR_DATA));
if (Dns4TokenEntry->Token->RspData.H2AData == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
Dns4TokenEntry->Token->RspData.H2AData->IpList = AllocatePool (DnsHeader->AnswersNum * sizeof (EFI_IPv4_ADDRESS));
if (Dns4TokenEntry->Token->RspData.H2AData->IpList == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
} else {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
}
} else {
ASSERT (Dns6TokenEntry != NULL);
if (QuerySection->Type == DNS_TYPE_AAAA) {
Dns6TokenEntry->Token->RspData.H2AData = AllocatePool (sizeof (DNS6_HOST_TO_ADDR_DATA));
ASSERT (Dns6TokenEntry->Token->RspData.H2AData != NULL);
Dns6TokenEntry->Token->RspData.H2AData->IpList = AllocatePool (DnsHeader->AnswersNum * sizeof (EFI_IPv6_ADDRESS));
ASSERT (Dns6TokenEntry->Token->RspData.H2AData->IpList != NULL);
if (Dns6TokenEntry->GeneralLookUp) {
//
// It's the GeneralLookUp querying.
//
Dns6TokenEntry->Token->RspData.GLookupData = AllocatePool (sizeof (DNS_RESOURCE_RECORD));
if (Dns6TokenEntry->Token->RspData.GLookupData == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
Dns6TokenEntry->Token->RspData.GLookupData->RRList = AllocatePool (DnsHeader->AnswersNum * sizeof (DNS_RESOURCE_RECORD));
if (Dns6TokenEntry->Token->RspData.GLookupData->RRList == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
} else {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
//
// It's not the GeneralLookUp querying. Check the Query type.
//
if (QuerySection->Type == DNS_TYPE_AAAA) {
Dns6TokenEntry->Token->RspData.H2AData = AllocatePool (sizeof (DNS6_HOST_TO_ADDR_DATA));
if (Dns6TokenEntry->Token->RspData.H2AData == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
Dns6TokenEntry->Token->RspData.H2AData->IpList = AllocatePool (DnsHeader->AnswersNum * sizeof (EFI_IPv6_ADDRESS));
if (Dns6TokenEntry->Token->RspData.H2AData->IpList == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
} else {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
}
}
@ -1241,9 +1356,68 @@ ParseDnsResponse (
AnswerSection->Ttl = NTOHL (AnswerSection->Ttl);
AnswerSection->DataLength = NTOHS (AnswerSection->DataLength);
ASSERT (AnswerSection->Class == DNS_CLASS_INET);
//
// Check whether it's the GeneralLookUp querying.
//
if (Instance->Service->IpVersion == IP_VERSION_4 && Dns4TokenEntry->GeneralLookUp) {
ASSERT (Dns4TokenEntry != NULL);
if (AnswerSection->Type == QuerySection->Type) {
Dns4RR = Dns4TokenEntry->Token->RspData.GLookupData->RRList;
AnswerData = (UINT8 *) AnswerSection + sizeof (*AnswerSection);
//
// Fill the ResourceRecord.
//
Dns4RR[RRCount].QName = AllocateZeroPool (AsciiStrLen (QueryName) + 1);
if (Dns4RR[RRCount].QName == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
CopyMem (Dns4RR[RRCount].QName, QueryName, AsciiStrLen (QueryName));
Dns4RR[RRCount].QType = AnswerSection->Type;
Dns4RR[RRCount].QClass = AnswerSection->Class;
Dns4RR[RRCount].TTL = AnswerSection->Ttl;
Dns4RR[RRCount].DataLength = AnswerSection->DataLength;
Dns4RR[RRCount].RData = AllocateZeroPool (Dns4RR[RRCount].DataLength);
if (Dns4RR[RRCount].RData == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
CopyMem (Dns4RR[RRCount].RData, AnswerData, Dns4RR[RRCount].DataLength);
RRCount ++;
} else if (Instance->Service->IpVersion == IP_VERSION_6 && Dns6TokenEntry->GeneralLookUp) {
ASSERT (Dns6TokenEntry != NULL);
Dns6RR = Dns6TokenEntry->Token->RspData.GLookupData->RRList;
AnswerData = (UINT8 *) AnswerSection + sizeof (*AnswerSection);
//
// Fill the ResourceRecord.
//
Dns6RR[RRCount].QName = AllocateZeroPool (AsciiStrLen (QueryName) + 1);
if (Dns6RR[RRCount].QName == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
CopyMem (Dns6RR[RRCount].QName, QueryName, AsciiStrLen (QueryName));
Dns6RR[RRCount].QType = AnswerSection->Type;
Dns6RR[RRCount].QClass = AnswerSection->Class;
Dns6RR[RRCount].TTL = AnswerSection->Ttl;
Dns6RR[RRCount].DataLength = AnswerSection->DataLength;
Dns6RR[RRCount].RData = AllocateZeroPool (Dns6RR[RRCount].DataLength);
if (Dns6RR[RRCount].RData == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
CopyMem (Dns6RR[RRCount].RData, AnswerData, Dns6RR[RRCount].DataLength);
RRCount ++;
} else {
//
// It's not the GeneralLookUp querying.
// Check the Query type, parse the response packet.
//
switch (AnswerSection->Type) {
case DNS_TYPE_A:
//
@ -1274,12 +1448,21 @@ ParseDnsResponse (
// Allocate new CacheEntry pool.
//
Dns4CacheEntry = AllocateZeroPool (sizeof (EFI_DNS4_CACHE_ENTRY));
ASSERT (Dns4CacheEntry != NULL);
if (Dns4CacheEntry == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
Dns4CacheEntry->HostName = AllocateZeroPool (2 * (StrLen(Dns4TokenEntry->QueryHostName) + 1));
ASSERT (Dns4CacheEntry->HostName != NULL);
if (Dns4CacheEntry->HostName == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
CopyMem (Dns4CacheEntry->HostName, Dns4TokenEntry->QueryHostName, 2 * (StrLen(Dns4TokenEntry->QueryHostName) + 1));
Dns4CacheEntry->IpAddress = AllocateZeroPool (sizeof (EFI_IPv4_ADDRESS));
ASSERT (Dns4CacheEntry->IpAddress != NULL);
if (Dns4CacheEntry->IpAddress == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
CopyMem (Dns4CacheEntry->IpAddress, AnswerData, sizeof (EFI_IPv4_ADDRESS));
Dns4CacheEntry->Timeout = AnswerSection->Ttl;
@ -1316,12 +1499,21 @@ ParseDnsResponse (
// Allocate new CacheEntry pool.
//
Dns6CacheEntry = AllocateZeroPool (sizeof (EFI_DNS6_CACHE_ENTRY));
ASSERT (Dns6CacheEntry != NULL);
if (Dns6CacheEntry == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
Dns6CacheEntry->HostName = AllocateZeroPool (2 * (StrLen(Dns6TokenEntry->QueryHostName) + 1));
ASSERT (Dns6CacheEntry->HostName != NULL);
if (Dns6CacheEntry->HostName == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
CopyMem (Dns6CacheEntry->HostName, Dns6TokenEntry->QueryHostName, 2 * (StrLen(Dns6TokenEntry->QueryHostName) + 1));
Dns6CacheEntry->IpAddress = AllocateZeroPool (sizeof (EFI_IPv6_ADDRESS));
ASSERT (Dns6CacheEntry->IpAddress != NULL);
if (Dns6CacheEntry->IpAddress == NULL) {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
CopyMem (Dns6CacheEntry->IpAddress, AnswerData, sizeof (EFI_IPv6_ADDRESS));
Dns6CacheEntry->Timeout = AnswerSection->Ttl;
@ -1344,19 +1536,29 @@ ParseDnsResponse (
if (Instance->Service->IpVersion == IP_VERSION_4) {
ASSERT (Dns4TokenEntry != NULL);
if (QuerySection->Type == DNS_TYPE_A) {
Dns4TokenEntry->Token->RspData.H2AData->IpCount = IpCount;
if (Dns4TokenEntry->GeneralLookUp) {
Dns4TokenEntry->Token->RspData.GLookupData->RRCount = RRCount;
} else {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
if (QuerySection->Type == DNS_TYPE_A) {
Dns4TokenEntry->Token->RspData.H2AData->IpCount = IpCount;
} else {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
}
} else {
ASSERT (Dns6TokenEntry != NULL);
if (QuerySection->Type == DNS_TYPE_AAAA) {
Dns6TokenEntry->Token->RspData.H2AData->IpCount = IpCount;
if (Dns6TokenEntry->GeneralLookUp) {
Dns6TokenEntry->Token->RspData.GLookupData->RRCount = RRCount;
} else {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
if (QuerySection->Type == DNS_TYPE_AAAA) {
Dns6TokenEntry->Token->RspData.H2AData->IpCount = IpCount;
} else {
Status = EFI_UNSUPPORTED;
goto ON_EXIT;
}
}
}
@ -1560,34 +1762,30 @@ DoDnsQuery (
}
/**
Construct the Packet to query Ip.
Construct the Packet according query section.
@param Instance The DNS instance
@param HostName Queried HostName
@param Type DNS query Type
@param Packet The packet for querying Ip
@param QueryName Queried Name
@param Type Queried Type
@param Class Queried Class
@param Packet The packet for query
@retval EFI_SUCCESS The packet is constructed.
@retval Others Failed to construct the Packet.
**/
EFI_STATUS
ConstructDNSQueryIp (
ConstructDNSQuery (
IN DNS_INSTANCE *Instance,
IN CHAR16 *HostName,
IN CHAR8 *QueryName,
IN UINT16 Type,
IN UINT16 Class,
OUT NET_BUF **Packet
)
{
NET_FRAGMENT Frag;
DNS_HEADER *DnsHeader;
CHAR8 *QueryName;
DNS_QUERY_SECTION *QuerySection;
CHAR8 *Header;
CHAR8 *Tail;
UINTN Len;
UINTN Index;
DNS_QUERY_SECTION *DnsQuery;
Frag.Bulk = AllocatePool (DNS_DEFAULT_BLKSIZE * sizeof (UINT8));
if (Frag.Bulk == NULL) {
@ -1620,37 +1818,20 @@ ConstructDNSQueryIp (
//
// Fill Query name
//
QueryName = (CHAR8 *) (Frag.Bulk + Frag.Len);
Header = QueryName;
Tail = Header + 1;
Len = 0;
for (Index = 0; HostName[Index] != 0; Index++) {
*Tail = (CHAR8) HostName[Index];
if (*Tail == '.') {
*Header = (CHAR8) Len;
Header = Tail;
Tail ++;
Len = 0;
} else {
Tail++;
Len++;
}
}
*Header = (CHAR8) Len;
*Tail = 0;
Frag.Len = (UINT32) (Frag.Len + StrLen (HostName) + 2); /// 1 for header, 1 for tail.
CopyMem (Frag.Bulk + Frag.Len, QueryName, AsciiStrLen (QueryName));
Frag.Len = (UINT32) (Frag.Len + AsciiStrLen (QueryName));
*(Frag.Bulk + Frag.Len) = 0;
Frag.Len ++;
//
// Rest query section
//
QuerySection = (DNS_QUERY_SECTION *) (Frag.Bulk + Frag.Len);
QuerySection->Type = Type;
QuerySection->Class = DNS_CLASS_INET;
DnsQuery = (DNS_QUERY_SECTION *) (Frag.Bulk + Frag.Len);
QuerySection->Type = HTONS (QuerySection->Type);
QuerySection->Class = HTONS (QuerySection->Class);
DnsQuery->Type = HTONS (Type);
DnsQuery->Class = HTONS (Class);
Frag.Len += sizeof (*QuerySection);
Frag.Len += sizeof (*DnsQuery);
//
// Wrap the Frag in a net buffer.

34
NetworkPkg/DnsDxe/DnsImpl.h
View File

@ -119,6 +119,7 @@ typedef struct {
UINT32 PacketToLive;
CHAR16 *QueryHostName;
EFI_IPv4_ADDRESS QueryIpAddress;
BOOLEAN GeneralLookUp;
EFI_DNS4_COMPLETION_TOKEN *Token;
} DNS4_TOKEN_ENTRY;
@ -126,6 +127,7 @@ typedef struct {
UINT32 PacketToLive;
CHAR16 *QueryHostName;
EFI_IPv6_ADDRESS QueryIpAddress;
BOOLEAN GeneralLookUp;
EFI_DNS6_COMPLETION_TOKEN *Token;
} DNS6_TOKEN_ENTRY;
@ -567,6 +569,24 @@ AddDns6ServerIp (
IN EFI_IPv6_ADDRESS ServerIp
);
/**
Fill QName for IP querying. QName is a domain name represented as
a sequence of labels, where each label consists of a length octet
followed by that number of octets. The domain name terminates with
the zero length octet for the null label of the root.
@param HostName Queried HostName
@retval NULL Failed to fill QName.
@return QName filled successfully.
**/
UINT8 *
EFIAPI
DnsFillinQNameForQueryIp (
IN CHAR16 *HostName
);
/**
Find out whether the response is valid or invalid.
@ -658,22 +678,24 @@ DoDnsQuery (
);
/**
Construct the Packet to query Ip.
Construct the Packet according query section.
@param Instance The DNS instance
@param HostName Queried HostName
@param Type DNS query Type
@param Packet The packet for querying Ip
@param QueryName Queried Name
@param Type Queried Type
@param Class Queried Class
@param Packet The packet for query
@retval EFI_SUCCESS The packet is constructed.
@retval Others Failed to construct the Packet.
**/
EFI_STATUS
ConstructDNSQueryIp (
ConstructDNSQuery (
IN DNS_INSTANCE *Instance,
IN CHAR16 *HostName,
IN CHAR8 *QueryName,
IN UINT16 Type,
IN UINT16 Class,
OUT NET_BUF **Packet
);

247
NetworkPkg/DnsDxe/DnsProtocol.c
View File

@ -329,6 +329,8 @@ Dns4HostNameToIp (
LIST_ENTRY *Entry;
LIST_ENTRY *Next;
CHAR8 *QueryName;
DNS4_TOKEN_ENTRY *TokenEntry;
NET_BUF *Packet;
@ -336,6 +338,7 @@ Dns4HostNameToIp (
Status = EFI_SUCCESS;
Item = NULL;
QueryName = NULL;
TokenEntry = NULL;
Packet = NULL;
@ -438,10 +441,19 @@ Dns4HostNameToIp (
TokenEntry->QueryHostName = HostName;
TokenEntry->Token = Token;
//
// Construct QName.
//
QueryName = DnsFillinQNameForQueryIp (TokenEntry->QueryHostName);
if (QueryName == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
//
// Construct DNS Query Packet.
//
Status = ConstructDNSQueryIp (Instance, TokenEntry->QueryHostName, DNS_TYPE_A, &Packet);
Status = ConstructDNSQuery (Instance, QueryName, DNS_TYPE_A, DNS_CLASS_INET, &Packet);
if (EFI_ERROR (Status)) {
if (TokenEntry != NULL) {
FreePool (TokenEntry);
@ -477,6 +489,10 @@ Dns4HostNameToIp (
}
ON_EXIT:
if (QueryName != NULL) {
FreePool (QueryName);
}
gBS->RestoreTPL (OldTpl);
return Status;
}
@ -544,7 +560,110 @@ Dns4GeneralLookUp (
IN EFI_DNS4_COMPLETION_TOKEN *Token
)
{
return EFI_UNSUPPORTED;
EFI_STATUS Status;
DNS_INSTANCE *Instance;
EFI_DNS4_CONFIG_DATA *ConfigData;
DNS4_TOKEN_ENTRY *TokenEntry;
NET_BUF *Packet;
EFI_TPL OldTpl;
Status = EFI_SUCCESS;
TokenEntry = NULL;
Packet = NULL;
//
// Validate the parameters
//
if ((This == NULL) || (QName == NULL) || Token == NULL) {
return EFI_INVALID_PARAMETER;
}
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
Instance = DNS_INSTANCE_FROM_THIS_PROTOCOL4 (This);
ConfigData = &(Instance->Dns4CfgData);
Instance->MaxRetry = ConfigData->RetryCount;
Token->Status = EFI_NOT_READY;
Token->RetryCount = 0;
Token->RetryInterval = ConfigData->RetryInterval;
if (Instance->State != DNS_STATE_CONFIGED) {
Status = EFI_NOT_STARTED;
goto ON_EXIT;
}
//
// Check the MaxRetry and RetryInterval values.
//
if (Instance->MaxRetry == 0) {
Instance->MaxRetry = DNS_DEFAULT_RETRY;
}
if (Token->RetryInterval < DNS_DEFAULT_TIMEOUT) {
Token->RetryInterval = DNS_DEFAULT_TIMEOUT;
}
//
// Construct DNS TokenEntry.
//
TokenEntry = AllocateZeroPool (sizeof(DNS4_TOKEN_ENTRY));
if (TokenEntry == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
TokenEntry->PacketToLive = Token->RetryInterval;
TokenEntry->GeneralLookUp = TRUE;
TokenEntry->Token = Token;
//
// Construct DNS Query Packet.
//
Status = ConstructDNSQuery (Instance, QName, QType, QClass, &Packet);
if (EFI_ERROR (Status)) {
if (TokenEntry != NULL) {
FreePool (TokenEntry);
}
goto ON_EXIT;
}
//
// Save the token into the Dns4TxTokens map.
//
Status = NetMapInsertTail (&Instance->Dns4TxTokens, TokenEntry, Packet);
if (EFI_ERROR (Status)) {
if (TokenEntry != NULL) {
FreePool (TokenEntry);
}
NetbufFree (Packet);
goto ON_EXIT;
}
//
// Dns Query Ip
//
Status = DoDnsQuery (Instance, Packet);
if (EFI_ERROR (Status)) {
if (TokenEntry != NULL) {
FreePool (TokenEntry);
}
NetbufFree (Packet);
}
ON_EXIT:
gBS->RestoreTPL (OldTpl);
return Status;
}
/**
@ -978,6 +1097,8 @@ Dns6HostNameToIp (
LIST_ENTRY *Entry;
LIST_ENTRY *Next;
CHAR8 *QueryName;
DNS6_TOKEN_ENTRY *TokenEntry;
NET_BUF *Packet;
@ -985,6 +1106,7 @@ Dns6HostNameToIp (
Status = EFI_SUCCESS;
Item = NULL;
QueryName = NULL;
TokenEntry = NULL;
Packet = NULL;
@ -1087,10 +1209,20 @@ Dns6HostNameToIp (
TokenEntry->QueryHostName = HostName;
TokenEntry->Token = Token;
//
// Construct QName.
//
QueryName = DnsFillinQNameForQueryIp (TokenEntry->QueryHostName);
if (QueryName == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
//
// Construct DNS Query Packet.
//
Status = ConstructDNSQueryIp (Instance, TokenEntry->QueryHostName, DNS_TYPE_AAAA, &Packet);
Status = ConstructDNSQuery (Instance, QueryName, DNS_TYPE_AAAA, DNS_CLASS_INET, &Packet);
if (EFI_ERROR (Status)) {
if (TokenEntry != NULL) {
FreePool (TokenEntry);
@ -1126,6 +1258,10 @@ Dns6HostNameToIp (
}
ON_EXIT:
if (QueryName != NULL) {
FreePool (QueryName);
}
gBS->RestoreTPL (OldTpl);
return Status;
}
@ -1193,7 +1329,110 @@ Dns6GeneralLookUp (
IN EFI_DNS6_COMPLETION_TOKEN *Token
)
{
return EFI_UNSUPPORTED;
EFI_STATUS Status;
DNS_INSTANCE *Instance;
EFI_DNS6_CONFIG_DATA *ConfigData;
DNS6_TOKEN_ENTRY *TokenEntry;
NET_BUF *Packet;
EFI_TPL OldTpl;
Status = EFI_SUCCESS;
TokenEntry = NULL;
Packet = NULL;
//
// Validate the parameters
//
if ((This == NULL) || (QName == NULL) || Token == NULL) {
return EFI_INVALID_PARAMETER;
}
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
Instance = DNS_INSTANCE_FROM_THIS_PROTOCOL6 (This);
ConfigData = &(Instance->Dns6CfgData);
Instance->MaxRetry = ConfigData->RetryCount;
Token->Status = EFI_NOT_READY;
Token->RetryCount = 0;
Token->RetryInterval = ConfigData->RetryInterval;
if (Instance->State != DNS_STATE_CONFIGED) {
Status = EFI_NOT_STARTED;
goto ON_EXIT;
}
//
// Check the MaxRetry and RetryInterval values.
//
if (Instance->MaxRetry == 0) {
Instance->MaxRetry = DNS_DEFAULT_RETRY;
}
if (Token->RetryInterval < DNS_DEFAULT_TIMEOUT) {
Token->RetryInterval = DNS_DEFAULT_TIMEOUT;
}
//
// Construct DNS TokenEntry.
//
TokenEntry = AllocateZeroPool (sizeof(DNS6_TOKEN_ENTRY));
if (TokenEntry == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
TokenEntry->PacketToLive = Token->RetryInterval;
TokenEntry->GeneralLookUp = TRUE;
TokenEntry->Token = Token;
//
// Construct DNS Query Packet.
//
Status = ConstructDNSQuery (Instance, QName, QType, QClass, &Packet);
if (EFI_ERROR (Status)) {
if (TokenEntry != NULL) {
FreePool (TokenEntry);
}
goto ON_EXIT;
}
//
// Save the token into the Dns6TxTokens map.
//
Status = NetMapInsertTail (&Instance->Dns6TxTokens, TokenEntry, Packet);
if (EFI_ERROR (Status)) {
if (TokenEntry != NULL) {
FreePool (TokenEntry);
}
NetbufFree (Packet);
goto ON_EXIT;
}
//
// Dns Query Ip
//
Status = DoDnsQuery (Instance, Packet);
if (EFI_ERROR (Status)) {
if (TokenEntry != NULL) {
FreePool (TokenEntry);
}
NetbufFree (Packet);
}
ON_EXIT:
gBS->RestoreTPL (OldTpl);
return Status;
}
/**