/**
Get the IPv6 address from a HTTP URL.
This function will return the IPv6 address according to the Url and previous parse result.
@param[in] Url The pointer to a HTTP URL string.
@param[in] UrlParser URL Parse result returned by NetHttpParseUrl().
@param[out] Ip6Address Pointer to a buffer to store the IP address.
@retval EFI_SUCCESS Successfully get the required component.
@retval EFI_INVALID_PARAMETER Uri is NULL or Ip6Address is NULL or UrlParser is invalid.
@retval EFI_NOT_FOUND No IPv6 address component in the URL.
@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources.
**/
EFI_STATUS
EFIAPI
HttpUrlGetIp6 (
IN CHAR8 *Url,
IN VOID *UrlParser,
OUT EFI_IPv6_ADDRESS *Ip6Address
)
{
CHAR8 *Ip6String;
CHAR8 *Ptr;
UINT32 Length;
EFI_STATUS Status;
UINT32 ResultLength;
HTTP_URL_PARSER *Parser;
if (Url == NULL || UrlParser == NULL || Ip6Address == NULL) {
return EFI_INVALID_PARAMETER;
}
Parser = (HTTP_URL_PARSER*) UrlParser;
if ((Parser->FieldBitMap & BIT (HTTP_URI_FIELD_HOST)) == 0) {
return EFI_INVALID_PARAMETER;
}
//
// IP-literal = "[" ( IPv6address / IPvFuture ) "]"
//
Length = Parser->FieldData[HTTP_URI_FIELD_HOST].Length;
if (Length < 2) {
return EFI_INVALID_PARAMETER;
}
Ptr = Url + Parser->FieldData[HTTP_URI_FIELD_HOST].Offset;
if ((Ptr[0] != '[') || (Ptr[Length - 1] != ']')) {
return EFI_INVALID_PARAMETER;
}
Ip6String = AllocatePool (Length);
if (Ip6String == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Status = UriPercentDecode (
Ptr + 1,
Length - 2,
Ip6String,
&ResultLength
);
if (EFI_ERROR (Status)) {
return Status;
}
Ip6String[ResultLength] = '\0';
Status = NetLibAsciiStrToIp6 (Ip6String, Ip6Address);
FreePool (Ip6String);
return Status;
}
/**
Parse the NULL terminated ASCII string of multicast option.
@param[in] Str The pointer to the Ascii string of multicast option.
@param[in] ExtInfo The pointer to the option information to be filled.
@retval EFI_SUCCESS Parse the multicast option successfully.
@retval EFI_INVALID_PARAMETER The string is malformatted.
@retval EFI_OUT_OF_RESOURCES Failed to perform the operation due to lack of
resources.
**/
EFI_STATUS
Mtftp6ParseMcastOption (
IN UINT8 *Str,
IN MTFTP6_EXT_OPTION_INFO *ExtInfo
)
{
EFI_STATUS Status;
UINT32 Num;
CHAR8 *Ip6Str;
CHAR8 *TempStr;
//
// The multicast option is formated like "addr,port,mc"
// The server can also omit the ip and port, use ",,1"
//
if (*Str == ',') {
ZeroMem (&ExtInfo->McastIp, sizeof (EFI_IPv6_ADDRESS));
} else {
Ip6Str = (CHAR8 *) AllocateCopyPool (AsciiStrSize ((CHAR8 *) Str), Str);
if (Ip6Str == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// The IPv6 address locates before comma in the input Str.
//
TempStr = Ip6Str;
while ((*TempStr != '\0') && (*TempStr != ',')) {
TempStr++;
}
*TempStr = '\0';
Status = NetLibAsciiStrToIp6 (Ip6Str, &ExtInfo->McastIp);
FreePool (Ip6Str);
if (EFI_ERROR (Status)) {
return Status;
}
while ((*Str != '\0') && (*Str != ',')) {
Str++;
}
}
if (*Str != ',') {
return EFI_INVALID_PARAMETER;
}
Str++;
//
// Convert the port setting. the server can send us a port number or
// empty string. such as the port in ",,1"
//
if (*Str == ',') {
ExtInfo->McastPort = 0;
} else {
Num = (UINT32) AsciiStrDecimalToUintn ((CHAR8 *) Str);
if (Num > 65535) {
return EFI_INVALID_PARAMETER;
}
ExtInfo->McastPort = (UINT16) Num;
while (NET_IS_DIGIT (*Str)) {
Str++;
}
}
if (*Str != ',') {
return EFI_INVALID_PARAMETER;
}
Str++;
//
// Check the master/slave setting, 1 for master, 0 for slave.
//
Num = (UINT32) AsciiStrDecimalToUintn ((CHAR8 *) Str);
if (Num != 0 && Num != 1) {
return EFI_INVALID_PARAMETER;
}
ExtInfo->IsMaster = (BOOLEAN) (Num == 1);
while (NET_IS_DIGIT (*Str)) {
Str++;
}
if (*Str != '\0') {
return EFI_INVALID_PARAMETER;
}
return EFI_SUCCESS;
}
