/** @file\r
Network library.\r
\r
-Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>\r
+(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
#include <Protocol/ServiceBinding.h>\r
#include <Protocol/SimpleNetwork.h>\r
#include <Protocol/ManagedNetwork.h>\r
-#include <Protocol/HiiConfigRouting.h>\r
+#include <Protocol/Ip4Config2.h>\r
#include <Protocol/ComponentName.h>\r
#include <Protocol/ComponentName2.h>\r
-#include <Protocol/HiiConfigAccess.h>\r
\r
-#include <Guid/NicIp4ConfigNvData.h>\r
#include <Guid/SmBios.h>\r
\r
#include <Library/NetLib.h>\r
#include <Library/UefiRuntimeServicesTableLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/DevicePathLib.h>\r
-#include <Library/HiiLib.h>\r
#include <Library/PrintLib.h>\r
#include <Library/UefiLib.h>\r
\r
Build a syslog packet, including the Ethernet/Ip/Udp headers\r
and user's message.\r
\r
- @param[in] Level Syslog servity level\r
+ @param[in] Level Syslog severity level\r
@param[in] Module The module that generates the log\r
@param[in] File The file that contains the current log\r
@param[in] Line The line of code in the File that contains the current log\r
This function will locate a instance of SNP then send the message through it.\r
Because it isn't open the SNP BY_DRIVER, apply caution when using it.\r
\r
- @param Level The servity level of the message.\r
+ @param Level The severity level of the message.\r
@param Module The Moudle that generates the log.\r
@param File The file that contains the log.\r
@param Line The exact line that contains the log.\r
{\r
INTN Index;\r
\r
- for (Index = 0; Index < IP4_MASK_NUM; Index++) {\r
+ for (Index = 0; Index <= IP4_MASK_MAX; Index++) {\r
if (NetMask == gIp4AllMasks[Index]) {\r
break;\r
}\r
Return the class of the IP address, such as class A, B, C.\r
Addr is in host byte order.\r
\r
+ [ATTENTION]\r
+ Classful addressing (IP class A/B/C) has been deprecated according to RFC4632.\r
+ Caller of this function could only check the returned value against\r
+ IP4_ADDR_CLASSD (multicast) or IP4_ADDR_CLASSE (reserved) now.\r
+\r
The address of class A starts with 0.\r
If the address belong to class A, return IP4_ADDR_CLASSA.\r
The address of class B starts with 10.\r
\r
/**\r
Check whether the IP is a valid unicast address according to\r
- the netmask. If NetMask is zero, use the IP address's class to get the default mask.\r
+ the netmask. \r
\r
- If Ip is 0, IP is not a valid unicast address.\r
- Class D address is used for multicasting and class E address is reserved for future. If Ip\r
- belongs to class D or class E, IP is not a valid unicast address.\r
+ ASSERT if NetMask is zero.\r
+ \r
If all bits of the host address of IP are 0 or 1, IP is also not a valid unicast address.\r
\r
@param[in] Ip The IP to check against.\r
IN IP4_ADDR NetMask\r
)\r
{\r
- INTN Class;\r
-\r
- Class = NetGetIpClass (Ip);\r
-\r
- if ((Ip == 0) || (Class >= IP4_ADDR_CLASSD)) {\r
+ ASSERT (NetMask != 0);\r
+ \r
+ if (Ip == 0 || IP4_IS_LOCAL_BROADCAST (Ip)) {\r
return FALSE;\r
}\r
-\r
- if (NetMask == 0) {\r
- NetMask = gIp4AllMasks[Class << 3];\r
- }\r
-\r
+ \r
if (((Ip &~NetMask) == ~NetMask) || ((Ip &~NetMask) == 0)) {\r
return FALSE;\r
}\r
UINT8 Bit;\r
UINT8 Mask;\r
\r
- ASSERT ((Ip1 != NULL) && (Ip2 != NULL) && (PrefixLength < IP6_PREFIX_NUM));\r
+ ASSERT ((Ip1 != NULL) && (Ip2 != NULL) && (PrefixLength <= IP6_PREFIX_MAX));\r
\r
if (PrefixLength == 0) {\r
return TRUE;\r
}\r
\r
/**\r
- Initialize a random seed using current time.\r
+ Initialize a random seed using current time and monotonic count.\r
\r
- Get current time first. Then initialize a random seed based on some basic\r
- mathematics operation on the hour, day, minute, second, nanosecond and year\r
- of the current time.\r
+ Get current time and monotonic count first. Then initialize a random seed \r
+ based on some basic mathematics operation on the hour, day, minute, second,\r
+ nanosecond and year of the current time and the monotonic count value.\r
\r
@return The random seed initialized with current time.\r
\r
{\r
EFI_TIME Time;\r
UINT32 Seed;\r
+ UINT64 MonotonicCount;\r
\r
gRT->GetTime (&Time, NULL);\r
Seed = (~Time.Hour << 24 | Time.Day << 16 | Time.Minute << 8 | Time.Second);\r
Seed ^= Time.Nanosecond;\r
Seed ^= Time.Year << 7;\r
\r
+ gBS->GetNextMonotonicCount (&MonotonicCount);\r
+ Seed += (UINT32) MonotonicCount;\r
+\r
return Seed;\r
}\r
\r
@param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL\r
if NumberOfChildren is 0.\r
\r
- @retval TURE Found the input Handle in ChildHandleBuffer.\r
+ @retval TRUE Found the input Handle in ChildHandleBuffer.\r
@retval FALSE Can't find the input Handle in ChildHandleBuffer.\r
\r
**/\r
/**\r
Iterate through the netmap and call CallBack for each item.\r
\r
- It will contiue the traverse if CallBack returns EFI_SUCCESS, otherwise, break\r
+ It will continue the traverse if CallBack returns EFI_SUCCESS, otherwise, break\r
from the loop. It returns the CallBack's last return value. This function is\r
delete safe for the current item.\r
\r
}\r
\r
\r
-/**\r
- Internal function to get the child handle of the NIC handle.\r
-\r
- @param[in] Controller NIC controller handle.\r
- @param[out] ChildHandle Returned child handle.\r
-\r
- @retval EFI_SUCCESS Successfully to get child handle.\r
- @retval Others Failed to get child handle.\r
-\r
-**/\r
-EFI_STATUS\r
-NetGetChildHandle (\r
- IN EFI_HANDLE Controller,\r
- OUT EFI_HANDLE *ChildHandle\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_HANDLE *Handles;\r
- UINTN HandleCount;\r
- UINTN Index;\r
- EFI_DEVICE_PATH_PROTOCOL *ChildDeviceDevicePath;\r
- VENDOR_DEVICE_PATH *VendorDeviceNode;\r
-\r
- //\r
- // Locate all EFI Hii Config Access protocols\r
- //\r
- Status = gBS->LocateHandleBuffer (\r
- ByProtocol,\r
- &gEfiHiiConfigAccessProtocolGuid,\r
- NULL,\r
- &HandleCount,\r
- &Handles\r
- );\r
- if (EFI_ERROR (Status) || (HandleCount == 0)) {\r
- return Status;\r
- }\r
-\r
- Status = EFI_NOT_FOUND;\r
-\r
- for (Index = 0; Index < HandleCount; Index++) {\r
-\r
- Status = EfiTestChildHandle (Controller, Handles[Index], &gEfiManagedNetworkServiceBindingProtocolGuid);\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // Get device path on the child handle\r
- //\r
- Status = gBS->HandleProtocol (\r
- Handles[Index],\r
- &gEfiDevicePathProtocolGuid,\r
- (VOID **) &ChildDeviceDevicePath\r
- );\r
-\r
- if (!EFI_ERROR (Status)) {\r
- while (!IsDevicePathEnd (ChildDeviceDevicePath)) {\r
- ChildDeviceDevicePath = NextDevicePathNode (ChildDeviceDevicePath);\r
- //\r
- // Parse one instance\r
- //\r
- if (ChildDeviceDevicePath->Type == HARDWARE_DEVICE_PATH &&\r
- ChildDeviceDevicePath->SubType == HW_VENDOR_DP) {\r
- VendorDeviceNode = (VENDOR_DEVICE_PATH *) ChildDeviceDevicePath;\r
- if (CompareMem (&VendorDeviceNode->Guid, &gEfiNicIp4ConfigVariableGuid, sizeof (EFI_GUID)) == 0) {\r
- //\r
- // Found item matched gEfiNicIp4ConfigVariableGuid\r
- //\r
- *ChildHandle = Handles[Index];\r
- FreePool (Handles);\r
- return EFI_SUCCESS;\r
- }\r
- }\r
- }\r
- }\r
- }\r
- }\r
-\r
- FreePool (Handles);\r
- return Status;\r
-}\r
-\r
-\r
/**\r
This is the default unload handle for all the network drivers.\r
\r
// Try to get SNP mode from MNP\r
//\r
Status = Mnp->GetModeData (Mnp, NULL, &SnpModeData);\r
- if (EFI_ERROR (Status)) {\r
+ if (EFI_ERROR (Status) && (Status != EFI_NOT_STARTED)) {\r
MnpSb->DestroyChild (MnpSb, MnpChildHandle);\r
return Status;\r
}\r
Check the default address used by the IPv4 driver is static or dynamic (acquired\r
from DHCP).\r
\r
- If the controller handle does not have the NIC Ip4 Config Protocol installed, the\r
- default address is static. If the EFI variable to save the configuration is not found,\r
- the default address is static. Otherwise, get the result from the EFI variable which\r
- saving the configuration.\r
+ If the controller handle does not have the EFI_IP4_CONFIG2_PROTOCOL installed, the\r
+ default address is static. If failed to get the policy from Ip4 Config2 Protocol, \r
+ the default address is static. Otherwise, get the result from Ip4 Config2 Protocol.\r
\r
- @param[in] Controller The controller handle which has the NIC Ip4 Config Protocol\r
+ @param[in] Controller The controller handle which has the EFI_IP4_CONFIG2_PROTOCOL \r
relative with the default address to judge.\r
\r
@retval TRUE If the default address is static.\r
)\r
{\r
EFI_STATUS Status;\r
- EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;\r
- UINTN Len;\r
- NIC_IP4_CONFIG_INFO *ConfigInfo;\r
+ EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;\r
+ UINTN DataSize; \r
+ EFI_IP4_CONFIG2_POLICY Policy;\r
BOOLEAN IsStatic;\r
- EFI_STRING ConfigHdr;\r
- EFI_STRING ConfigResp;\r
- EFI_STRING AccessProgress;\r
- EFI_STRING AccessResults;\r
- EFI_STRING String;\r
- EFI_HANDLE ChildHandle;\r
-\r
- ConfigInfo = NULL;\r
- ConfigHdr = NULL;\r
- ConfigResp = NULL;\r
- AccessProgress = NULL;\r
- AccessResults = NULL;\r
- IsStatic = TRUE;\r
-\r
- Status = gBS->LocateProtocol (\r
- &gEfiHiiConfigRoutingProtocolGuid,\r
- NULL,\r
- (VOID **) &HiiConfigRouting\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return TRUE;\r
- }\r
\r
- Status = NetGetChildHandle (Controller, &ChildHandle);\r
- if (EFI_ERROR (Status)) {\r
- return TRUE;\r
- }\r
+ Ip4Config2 = NULL;\r
+ \r
+ DataSize = sizeof (EFI_IP4_CONFIG2_POLICY);\r
+\r
+ IsStatic = TRUE;\r
\r
//\r
- // Construct config request string header\r
+ // Get Ip4Config2 policy.\r
//\r
- ConfigHdr = HiiConstructConfigHdr (&gEfiNicIp4ConfigVariableGuid, EFI_NIC_IP4_CONFIG_VARIABLE, ChildHandle);\r
- if (ConfigHdr == NULL) {\r
- return TRUE;\r
- }\r
-\r
- Len = StrLen (ConfigHdr);\r
- ConfigResp = AllocateZeroPool ((Len + NIC_ITEM_CONFIG_SIZE * 2 + 100) * sizeof (CHAR16));\r
- if (ConfigResp == NULL) {\r
- goto ON_EXIT;\r
- }\r
- StrCpy (ConfigResp, ConfigHdr);\r
-\r
- String = ConfigResp + Len;\r
- UnicodeSPrint (\r
- String,\r
- (8 + 4 + 7 + 4 + 1) * sizeof (CHAR16),\r
- L"&OFFSET=%04X&WIDTH=%04X",\r
- OFFSET_OF (NIC_IP4_CONFIG_INFO, Source),\r
- sizeof (UINT32)\r
- );\r
-\r
- Status = HiiConfigRouting->ExtractConfig (\r
- HiiConfigRouting,\r
- ConfigResp,\r
- &AccessProgress,\r
- &AccessResults\r
- );\r
+ Status = gBS->HandleProtocol (Controller, &gEfiIp4Config2ProtocolGuid, (VOID **) &Ip4Config2);\r
if (EFI_ERROR (Status)) {\r
goto ON_EXIT;\r
}\r
\r
- ConfigInfo = AllocateZeroPool (NIC_ITEM_CONFIG_SIZE);\r
- if (ConfigInfo == NULL) {\r
- goto ON_EXIT;\r
- }\r
-\r
- ConfigInfo->Source = IP4_CONFIG_SOURCE_STATIC;\r
- Len = NIC_ITEM_CONFIG_SIZE;\r
- Status = HiiConfigRouting->ConfigToBlock (\r
- HiiConfigRouting,\r
- AccessResults,\r
- (UINT8 *) ConfigInfo,\r
- &Len,\r
- &AccessProgress\r
- );\r
+ Status = Ip4Config2->GetData (Ip4Config2, Ip4Config2DataTypePolicy, &DataSize, &Policy);\r
if (EFI_ERROR (Status)) {\r
goto ON_EXIT;\r
}\r
-\r
- IsStatic = (BOOLEAN) (ConfigInfo->Source == IP4_CONFIG_SOURCE_STATIC);\r
+ \r
+ IsStatic = (BOOLEAN) (Policy == Ip4Config2PolicyStatic);\r
\r
ON_EXIT:\r
-\r
- if (AccessResults != NULL) {\r
- FreePool (AccessResults);\r
- }\r
- if (ConfigInfo != NULL) {\r
- FreePool (ConfigInfo);\r
- }\r
- if (ConfigResp != NULL) {\r
- FreePool (ConfigResp);\r
- }\r
- if (ConfigHdr != NULL) {\r
- FreePool (ConfigHdr);\r
- }\r
-\r
+ \r
return IsStatic;\r
}\r
\r
TempStr = Ip4Str;\r
\r
while ((*Ip4Str != '\0') && (*Ip4Str != '.')) {\r
+ if (Index != 3 && !NET_IS_DIGIT (*Ip4Str)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ \r
+ //\r
+ // Allow the IPv4 with prefix case, e.g. 192.168.10.10/24 \r
+ //\r
+ if (Index == 3 && !NET_IS_DIGIT (*Ip4Str) && *Ip4Str != '/') {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ \r
Ip4Str++;\r
}\r
\r
\r
/**\r
Convert one Null-terminated ASCII string to EFI_IPv6_ADDRESS. The format of the\r
- string is defined in RFC 4291 - Text Pepresentation of Addresses.\r
+ string is defined in RFC 4291 - Text Representation of Addresses.\r
\r
@param[in] String The pointer to the Ascii string.\r
@param[out] Ip6Address The pointer to the converted IPv6 address.\r
TempStr = Ip6Str;\r
\r
while ((*Ip6Str != '\0') && (*Ip6Str != ':')) {\r
+ if (Index != 14 && !NET_IS_HEX (*Ip6Str)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ \r
+ //\r
+ // Allow the IPv6 with prefix case, e.g. 2000:aaaa::10/24 \r
+ //\r
+ if (Index == 14 && !NET_IS_HEX (*Ip6Str) && *Ip6Str != '/') {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ \r
Ip6Str++;\r
}\r
\r
)\r
{\r
CHAR8 *Ip4Str;\r
+ UINTN StringSize;\r
EFI_STATUS Status;\r
\r
if ((String == NULL) || (Ip4Address == NULL)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- Ip4Str = (CHAR8 *) AllocatePool ((StrLen (String) + 1) * sizeof (CHAR8));\r
+ StringSize = StrLen (String) + 1;\r
+ Ip4Str = (CHAR8 *) AllocatePool (StringSize * sizeof (CHAR8));\r
if (Ip4Str == NULL) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
- UnicodeStrToAsciiStr (String, Ip4Str);\r
+ UnicodeStrToAsciiStrS (String, Ip4Str, StringSize);\r
\r
Status = NetLibAsciiStrToIp4 (Ip4Str, Ip4Address);\r
\r
\r
/**\r
Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS. The format of\r
- the string is defined in RFC 4291 - Text Pepresentation of Addresses.\r
+ the string is defined in RFC 4291 - Text Representation of Addresses.\r
\r
@param[in] String The pointer to the Ascii string.\r
@param[out] Ip6Address The pointer to the converted IPv6 address.\r
)\r
{\r
CHAR8 *Ip6Str;\r
+ UINTN StringSize;\r
EFI_STATUS Status;\r
\r
if ((String == NULL) || (Ip6Address == NULL)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- Ip6Str = (CHAR8 *) AllocatePool ((StrLen (String) + 1) * sizeof (CHAR8));\r
+ StringSize = StrLen (String) + 1;\r
+ Ip6Str = (CHAR8 *) AllocatePool (StringSize * sizeof (CHAR8));\r
if (Ip6Str == NULL) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
- UnicodeStrToAsciiStr (String, Ip6Str);\r
+ UnicodeStrToAsciiStrS (String, Ip6Str, StringSize);\r
\r
Status = NetLibAsciiStrToIp6 (Ip6Str, Ip6Address);\r
\r
\r
/**\r
Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS and prefix length.\r
- The format of the string is defined in RFC 4291 - Text Pepresentation of Addresses\r
+ The format of the string is defined in RFC 4291 - Text Representation of Addresses\r
Prefixes: ipv6-address/prefix-length.\r
\r
@param[in] String The pointer to the Ascii string.\r
)\r
{\r
CHAR8 *Ip6Str;\r
+ UINTN StringSize;\r
CHAR8 *PrefixStr;\r
CHAR8 *TempStr;\r
EFI_STATUS Status;\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- Ip6Str = (CHAR8 *) AllocatePool ((StrLen (String) + 1) * sizeof (CHAR8));\r
+ StringSize = StrLen (String) + 1;\r
+ Ip6Str = (CHAR8 *) AllocatePool (StringSize * sizeof (CHAR8));\r
if (Ip6Str == NULL) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
- UnicodeStrToAsciiStr (String, Ip6Str);\r
+ UnicodeStrToAsciiStrS (String, Ip6Str, StringSize);\r
\r
//\r
// Get the sub string describing prefix length.\r
while (*PrefixStr != '\0') {\r
if (NET_IS_DIGIT (*PrefixStr)) {\r
Length = (UINT8) (Length * 10 + (*PrefixStr - '0'));\r
- if (Length >= IP6_PREFIX_NUM) {\r
+ if (Length > IP6_PREFIX_MAX) {\r
goto Exit;\r
}\r
} else {\r
return EFI_BUFFER_TOO_SMALL;\r
}\r
\r
- StrCpy (String, Buffer);\r
+ StrCpyS (String, StringSize / sizeof (CHAR16), Buffer);\r
\r
return EFI_SUCCESS;\r
}\r
OUT EFI_GUID *SystemGuid\r
)\r
{\r
- EFI_STATUS Status;\r
- SMBIOS_TABLE_ENTRY_POINT *SmbiosTable;\r
- SMBIOS_STRUCTURE_POINTER Smbios;\r
- SMBIOS_STRUCTURE_POINTER SmbiosEnd;\r
- CHAR8 *String;\r
+ EFI_STATUS Status;\r
+ SMBIOS_TABLE_ENTRY_POINT *SmbiosTable;\r
+ SMBIOS_TABLE_3_0_ENTRY_POINT *Smbios30Table;\r
+ SMBIOS_STRUCTURE_POINTER Smbios;\r
+ SMBIOS_STRUCTURE_POINTER SmbiosEnd;\r
+ CHAR8 *String;\r
\r
SmbiosTable = NULL;\r
- Status = EfiGetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID **) &SmbiosTable);\r
-\r
- if (EFI_ERROR (Status) || SmbiosTable == NULL) {\r
- return EFI_NOT_FOUND;\r
+ Status = EfiGetSystemConfigurationTable (&gEfiSmbios3TableGuid, (VOID **) &Smbios30Table);\r
+ if (!(EFI_ERROR (Status) || Smbios30Table == NULL)) {\r
+ Smbios.Hdr = (SMBIOS_STRUCTURE *) (UINTN) Smbios30Table->TableAddress;\r
+ SmbiosEnd.Raw = (UINT8 *) (UINTN) (Smbios30Table->TableAddress + Smbios30Table->TableMaximumSize);\r
+ } else {\r
+ Status = EfiGetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID **) &SmbiosTable);\r
+ if (EFI_ERROR (Status) || SmbiosTable == NULL) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ Smbios.Hdr = (SMBIOS_STRUCTURE *) (UINTN) SmbiosTable->TableAddress;\r
+ SmbiosEnd.Raw = (UINT8 *) (UINTN) (SmbiosTable->TableAddress + SmbiosTable->TableLength);\r
}\r
\r
- Smbios.Hdr = (SMBIOS_STRUCTURE *) (UINTN) SmbiosTable->TableAddress;\r
- SmbiosEnd.Raw = (UINT8 *) (UINTN) (SmbiosTable->TableAddress + SmbiosTable->TableLength);\r
-\r
do {\r
if (Smbios.Hdr->Type == 1) {\r
if (Smbios.Hdr->Length < 0x19) {\r
} while (Smbios.Raw < SmbiosEnd.Raw);\r
return EFI_NOT_FOUND;\r
}\r
+\r
+/**\r
+ Create Dns QName according the queried domain name. \r
+ QName is a domain name represented as a sequence of labels, \r
+ where each label consists of a length octet followed by that \r
+ number of octets. The QName terminates with the zero \r
+ length octet for the null label of the root. Caller should \r
+ take responsibility to free the buffer in returned pointer.\r
+\r
+ @param DomainName The pointer to the queried domain name string. \r
+\r
+ @retval NULL Failed to fill QName.\r
+ @return QName filled successfully.\r
+ \r
+**/ \r
+CHAR8 *\r
+EFIAPI\r
+NetLibCreateDnsQName (\r
+ IN CHAR16 *DomainName\r
+ )\r
+{\r
+ CHAR8 *QueryName;\r
+ UINTN QueryNameSize;\r
+ CHAR8 *Header;\r
+ CHAR8 *Tail;\r
+ UINTN Len;\r
+ UINTN Index;\r
+\r
+ QueryName = NULL;\r
+ QueryNameSize = 0;\r
+ Header = NULL;\r
+ Tail = NULL;\r
+\r
+ //\r
+ // One byte for first label length, one byte for terminated length zero. \r
+ //\r
+ QueryNameSize = StrLen (DomainName) + 2;\r
+ \r
+ if (QueryNameSize > DNS_MAX_NAME_SIZE) {\r
+ return NULL;\r
+ }\r
+\r
+ QueryName = AllocateZeroPool (QueryNameSize);\r
+ if (QueryName == NULL) {\r
+ return NULL;\r
+ }\r
+ \r
+ Header = QueryName;\r
+ Tail = Header + 1;\r
+ Len = 0;\r
+ for (Index = 0; DomainName[Index] != 0; Index++) {\r
+ *Tail = (CHAR8) DomainName[Index];\r
+ if (*Tail == '.') {\r
+ *Header = (CHAR8) Len;\r
+ Header = Tail;\r
+ Tail ++;\r
+ Len = 0;\r
+ } else {\r
+ Tail++;\r
+ Len++;\r
+ }\r
+ }\r
+ *Header = (CHAR8) Len;\r
+ *Tail = 0;\r
+\r
+ return QueryName;\r
+}\r