/**
Helper function called to calculate the prefix length associated with the string
containing an Ipv4 or Ipv6 Internet Protocol address.
@param[in] Ptr The pointer to the string containing an Ipv4 or Ipv6 Internet Protocol address.
@param[out] Addr The pointer to the EFI_IP_ADDRESS_INFO structure to contain the result.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_INVALID_PARAMETER Invalid parameter.
@retval Others Other mistake case.
**/
EFI_STATUS
EfiInetAddrRange (
IN CHAR16 *Ptr,
OUT EFI_IP_ADDRESS_INFO *Addr
)
{
EFI_STATUS Status;
if ((Ptr == NULL) || (Addr == NULL)) {
return EFI_INVALID_PARAMETER;
}
Status = NetLibStrToIp4 (Ptr, &Addr->Address.v4);
if (!EFI_ERROR (Status)) {
if ((UINT32)(*Addr->Address.v4.Addr) == 0) {
Addr->PrefixLength = 0;
} else {
Addr->PrefixLength = 32;
}
return Status;
}
Status = NetLibStrToIp6andPrefix (Ptr, &Addr->Address.v6, &Addr->PrefixLength);
if (!EFI_ERROR (Status) && (Addr->PrefixLength == 0xFF)) {
Addr->PrefixLength = 128;
}
return Status;
}
/**
Pick up gw/dns IPv6 address in string format from Args with "-s" option and convert it to EFI_IPv6_ADDRESS format.
@param[in, out] Arg The pointer of the address of ARG_LIST that save Args with the "-s" option.
@param[out] Buf The pointer of the address of EFI_IPv6_ADDRESS.
@param[out] BufSize The pointer of BufSize that describes the size of Buf in bytes.
@retval EFI_SUCCESS The conversion is successful.
@retval Others Doesn't find the host address, or it is an invalid IPv6 address in string format.
**/
EFI_STATUS
IfConfig6ParseGwDnsAddressList (
IN OUT ARG_LIST **Arg,
OUT EFI_IPv6_ADDRESS **Buf,
OUT UINTN *BufSize
)
{
EFI_STATUS Status;
EFI_IPv6_ADDRESS *AddrBuf;
ARG_LIST *VarArg;
EFI_IPv6_ADDRESS Address;
UINT8 Prefix;
UINT8 AddrCnt;
AddrCnt = 0;
*BufSize = 0;
*Buf = NULL;
VarArg = *Arg;
Status = EFI_SUCCESS;
//
// Go through the list to check the correctness of input gw/dns address.
//
while ((!EFI_ERROR (Status)) && (VarArg != NULL)) {
Status = NetLibStrToIp6andPrefix (VarArg->Arg, &Address, &Prefix);
if (EFI_ERROR (Status)) {
//
// gw ip ip ... host
//
break;
}
VarArg = VarArg->Next;
AddrCnt++;
}
if (AddrCnt == 0) {
return EFI_INVALID_PARAMETER;
}
AddrBuf = AllocateZeroPool (AddrCnt * sizeof (EFI_IPv6_ADDRESS));
ASSERT (AddrBuf != NULL);
AddrCnt = 0;
VarArg = *Arg;
Status = EFI_SUCCESS;
//
// Go through the list to fill in the EFI_IPv6_ADDRESS structure.
//
while ((!EFI_ERROR (Status)) && (VarArg != NULL)) {
Status = NetLibStrToIp6andPrefix (VarArg->Arg, &Address, &Prefix);
if (EFI_ERROR (Status)) {
break;
}
IP6_COPY_ADDRESS (&AddrBuf[AddrCnt], &Address);
VarArg = VarArg->Next;
AddrCnt++;
}
*Arg = VarArg;
if (EFI_ERROR (Status) && (Status != EFI_INVALID_PARAMETER)) {
goto ON_ERROR;
}
*Buf = AddrBuf;
*BufSize = AddrCnt * sizeof (EFI_IPv6_ADDRESS);
return EFI_SUCCESS;
ON_ERROR:
FreePool (AddrBuf);
return Status;
}
/**
Pick up host IPv6 address in string format from Args with "-s" option and convert it to EFI_IP6_CONFIG_MANUAL_ADDRESS format.
@param[in, out] Arg The pointer of the address of ARG_LIST which save Args with the "-s" option.
@param[out] Buf The pointer of the address of EFI_IP6_CONFIG_MANUAL_ADDRESS.
@param[out] BufSize The pointer of BufSize that describes the size of Buf in bytes.
@retval EFI_SUCCESS The convertion is successful.
@retval Others Does't find the host address, or it is an invalid IPv6 address in string format.
**/
EFI_STATUS
IfConfig6ParseManualAddressList (
IN OUT ARG_LIST **Arg,
OUT EFI_IP6_CONFIG_MANUAL_ADDRESS **Buf,
OUT UINTN *BufSize
)
{
EFI_STATUS Status;
EFI_IP6_CONFIG_MANUAL_ADDRESS *AddrBuf;
ARG_LIST *VarArg;
EFI_IPv6_ADDRESS Address;
UINT8 Prefix;
UINT8 AddrCnt;
Prefix = 0;
AddrCnt = 0;
*BufSize = 0;
*Buf = NULL;
VarArg = *Arg;
Status = EFI_SUCCESS;
//
// Go through the list to check the correctness of input host ip6 address.
//
while ((!EFI_ERROR (Status)) && (VarArg != NULL)) {
Status = NetLibStrToIp6andPrefix (VarArg->Arg, &Address, &Prefix);
if (EFI_ERROR (Status)) {
//
// host ip ip ... gw
//
break;
}
VarArg = VarArg->Next;
AddrCnt++;
}
if (AddrCnt == 0) {
return EFI_INVALID_PARAMETER;
}
AddrBuf = AllocateZeroPool (AddrCnt * sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS));
ASSERT (AddrBuf != NULL);
AddrCnt = 0;
VarArg = *Arg;
Status = EFI_SUCCESS;
//
// Go through the list to fill in the EFI_IP6_CONFIG_MANUAL_ADDRESS structure.
//
while ((!EFI_ERROR (Status)) && (VarArg != NULL)) {
Status = NetLibStrToIp6andPrefix (VarArg->Arg, &Address, &Prefix);
if (EFI_ERROR (Status)) {
break;
}
//
// If prefix length is not set, set it as Zero here. In the IfConfigSetInterfaceInfo()
// Zero prefix, length will be transfered to default prefix length.
//
if (Prefix == 0xFF) {
Prefix = 0;
}
AddrBuf[AddrCnt].IsAnycast = FALSE;
AddrBuf[AddrCnt].PrefixLength = Prefix;
IP6_COPY_ADDRESS (&AddrBuf[AddrCnt].Address, &Address);
VarArg = VarArg->Next;
AddrCnt++;
}
*Arg = VarArg;
if (EFI_ERROR (Status) && (Status != EFI_INVALID_PARAMETER)) {
goto ON_ERROR;
}
*Buf = AddrBuf;
*BufSize = AddrCnt * sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS);
return EFI_SUCCESS;
ON_ERROR:
FreePool (AddrBuf);
return Status;
}