mirror of https://github.com/acidanthera/audk.git
Add StrToIp functions to NetLib.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9798 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
tye1
parent
fa8a1af2eb
commit
e4ef0031cd
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@ -1195,9 +1195,97 @@ NetLibDefaultUnload (
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IN EFI_HANDLE ImageHandle
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);
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/**
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Convert one Null-terminated ASCII string (decimal dotted) to EFI_IPv4_ADDRESS.
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@param[in] String The pointer to the Ascii string.
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@param[out] Ip4Address The pointer to the converted IPv4 address.
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@retval EFI_SUCCESS Convert to IPv4 address successfully.
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@retval EFI_INVALID_PARAMETER The string is mal-formated or Ip4Address is NULL.
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**/
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EFI_STATUS
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NetLibAsciiStrToIp4 (
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IN CONST CHAR8 *String,
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OUT EFI_IPv4_ADDRESS *Ip4Address
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);
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/**
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Convert one Null-terminated ASCII string to EFI_IPv6_ADDRESS. The format of the
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string is defined in RFC 4291 - Text Pepresentation of Addresses.
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@param[in] String The pointer to the Ascii string.
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@param[out] Ip6Address The pointer to the converted IPv6 address.
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@retval EFI_SUCCESS Convert to IPv6 address successfully.
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@retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.
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**/
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EFI_STATUS
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NetLibAsciiStrToIp6 (
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IN CONST CHAR8 *String,
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OUT EFI_IPv6_ADDRESS *Ip6Address
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);
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/**
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Convert one Null-terminated Unicode string (decimal dotted) to EFI_IPv4_ADDRESS.
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@param[in] String The pointer to the Ascii string.
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@param[out] Ip4Address The pointer to the converted IPv4 address.
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@retval EFI_SUCCESS Convert to IPv4 address successfully.
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@retval EFI_INVALID_PARAMETER The string is mal-formated or Ip4Address is NULL.
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@retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.
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**/
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EFI_STATUS
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NetLibStrToIp4 (
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IN CONST CHAR16 *String,
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OUT EFI_IPv4_ADDRESS *Ip4Address
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);
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/**
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Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS. The format of
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the string is defined in RFC 4291 - Text Pepresentation of Addresses.
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@param[in] String The pointer to the Ascii string.
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@param[out] Ip6Address The pointer to the converted IPv6 address.
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@retval EFI_SUCCESS Convert to IPv6 address successfully.
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@retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.
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@retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.
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**/
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EFI_STATUS
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NetLibStrToIp6 (
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IN CONST CHAR16 *String,
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OUT EFI_IPv6_ADDRESS *Ip6Address
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);
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/**
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Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS and prefix length.
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The format of the string is defined in RFC 4291 - Text Pepresentation of Addresses
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Prefixes: ipv6-address/prefix-length.
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@param[in] String The pointer to the Ascii string.
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@param[out] Ip6Address The pointer to the converted IPv6 address.
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@param[out] PrefixLength The pointer to the converted prefix length.
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@retval EFI_SUCCESS Convert to IPv6 address successfully.
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@retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.
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@retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.
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**/
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EFI_STATUS
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NetLibStrToIp6andPrefix (
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IN CONST CHAR16 *String,
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OUT EFI_IPv6_ADDRESS *Ip6Address,
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OUT UINT8 *PrefixLength
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);
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//
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//Various signatures
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// Various signatures
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//
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#define NET_BUF_SIGNATURE SIGNATURE_32 ('n', 'b', 'u', 'f')
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#define NET_VECTOR_SIGNATURE SIGNATURE_32 ('n', 'v', 'e', 'c')
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@ -2410,3 +2410,378 @@ NetLibGetNicHandle (
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gBS->FreePool (OpenBuffer);
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return Handle;
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}
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/**
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Convert one Null-terminated ASCII string (decimal dotted) to EFI_IPv4_ADDRESS.
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@param[in] String The pointer to the Ascii string.
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@param[out] Ip4Address The pointer to the converted IPv4 address.
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@retval EFI_SUCCESS Convert to IPv4 address successfully.
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@retval EFI_INVALID_PARAMETER The string is mal-formated or Ip4Address is NULL.
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**/
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EFI_STATUS
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NetLibAsciiStrToIp4 (
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IN CONST CHAR8 *String,
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OUT EFI_IPv4_ADDRESS *Ip4Address
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)
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{
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UINT8 Index;
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CHAR8 *Ip4Str;
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CHAR8 *TempStr;
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UINTN NodeVal;
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if ((String == NULL) || (Ip4Address == NULL)) {
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return EFI_INVALID_PARAMETER;
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}
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Ip4Str = (CHAR8 *) String;
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for (Index = 0; Index < 4; Index++) {
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TempStr = Ip4Str;
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while ((*Ip4Str != '\0') && (*Ip4Str != '.')) {
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Ip4Str++;
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}
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//
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// The IPv4 address is X.X.X.X
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//
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if (*Ip4Str == '.') {
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if (Index == 3) {
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return EFI_INVALID_PARAMETER;
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}
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} else {
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if (Index != 3) {
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return EFI_INVALID_PARAMETER;
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}
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}
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NodeVal = AsciiStrDecimalToUintn (TempStr);
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if (NodeVal > 0xFF) {
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return EFI_INVALID_PARAMETER;
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}
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Ip4Address->Addr[Index] = (UINT8) NodeVal;
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Ip4Str++;
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}
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return EFI_SUCCESS;
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}
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/**
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Convert one Null-terminated ASCII string to EFI_IPv6_ADDRESS. The format of the
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string is defined in RFC 4291 - Text Pepresentation of Addresses.
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@param[in] String The pointer to the Ascii string.
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@param[out] Ip6Address The pointer to the converted IPv6 address.
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@retval EFI_SUCCESS Convert to IPv6 address successfully.
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@retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.
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**/
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EFI_STATUS
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NetLibAsciiStrToIp6 (
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IN CONST CHAR8 *String,
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OUT EFI_IPv6_ADDRESS *Ip6Address
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)
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{
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UINT8 Index;
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CHAR8 *Ip6Str;
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CHAR8 *TempStr;
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CHAR8 *TempStr2;
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UINT8 NodeCnt;
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UINT8 TailNodeCnt;
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UINT8 AllowedCnt;
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UINTN NodeVal;
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BOOLEAN Short;
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BOOLEAN Update;
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if ((String == NULL) || (Ip6Address == NULL)) {
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return EFI_INVALID_PARAMETER;
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}
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Ip6Str = (CHAR8 *) String;
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AllowedCnt = 6;
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//
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// An IPv6 address leading with : looks strange.
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//
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if (*Ip6Str == ':') {
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if (*(Ip6Str + 1) != ':') {
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return EFI_INVALID_PARAMETER;
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} else {
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AllowedCnt = 7;
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}
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}
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ZeroMem (Ip6Address, sizeof (EFI_IPv6_ADDRESS));
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NodeCnt = 0;
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TailNodeCnt = 0;
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Short = FALSE;
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Update = FALSE;
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for (Index = 0; (Index + 1) < 16; Index = (UINT8) (Index + 2)) {
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TempStr = Ip6Str;
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while ((*Ip6Str != '\0') && (*Ip6Str != ':')) {
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Ip6Str++;
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}
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if ((*Ip6Str == '\0') && (Index != 14)) {
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return EFI_INVALID_PARAMETER;
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}
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if (*Ip6Str == ':') {
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if (*(Ip6Str + 1) == ':') {
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if ((*(Ip6Str + 2) == '0') || (NodeCnt > 6)) {
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//
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// ::0 looks strange. report error to user.
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//
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return EFI_INVALID_PARAMETER;
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}
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//
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// Skip the abbreviation part of IPv6 address.
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//
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TempStr2 = Ip6Str + 2;
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while ((*TempStr2 != '\0')) {
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if (*TempStr2 == ':') {
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if (*(TempStr2 + 1) == ':') {
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//
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// :: can only appear once in IPv6 address.
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//
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return EFI_INVALID_PARAMETER;
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}
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TailNodeCnt++;
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if (TailNodeCnt >= (AllowedCnt - NodeCnt)) {
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//
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// :: indicates one or more groups of 16 bits of zeros.
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//
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return EFI_INVALID_PARAMETER;
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}
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}
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TempStr2++;
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}
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Short = TRUE;
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Update = TRUE;
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Ip6Str = Ip6Str + 2;
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} else {
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Ip6Str++;
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NodeCnt++;
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if ((Short && (NodeCnt > 6)) || (!Short && (NodeCnt > 7))) {
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//
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// There are more than 8 groups of 16 bits of zeros.
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//
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return EFI_INVALID_PARAMETER;
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}
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}
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}
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//
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// Convert the Str to IPv6 address.
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//
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NodeVal = AsciiStrHexToUintn (TempStr);
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if ((NodeVal > 0xFFFF) || (Index > 14)) {
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return EFI_INVALID_PARAMETER;
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}
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Ip6Address->Addr[Index] = (UINT8) (NodeVal >> 8);
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Ip6Address->Addr[Index + 1] = (UINT8) (NodeVal & 0xFF);
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//
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// Skip the groups of zeros by ::
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//
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if (Short && Update) {
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Index = (UINT8) (16 - (TailNodeCnt + 2) * 2);
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Update = FALSE;
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}
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}
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if ((!Short && Index != 16) || (*Ip6Str != '\0')) {
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return EFI_INVALID_PARAMETER;
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}
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return EFI_SUCCESS;
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}
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/**
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Convert one Null-terminated Unicode string (decimal dotted) to EFI_IPv4_ADDRESS.
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@param[in] String The pointer to the Ascii string.
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@param[out] Ip4Address The pointer to the converted IPv4 address.
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@retval EFI_SUCCESS Convert to IPv4 address successfully.
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@retval EFI_INVALID_PARAMETER The string is mal-formated or Ip4Address is NULL.
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@retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.
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**/
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EFI_STATUS
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NetLibStrToIp4 (
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IN CONST CHAR16 *String,
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OUT EFI_IPv4_ADDRESS *Ip4Address
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)
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{
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CHAR8 *Ip4Str;
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EFI_STATUS Status;
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if ((String == NULL) || (Ip4Address == NULL)) {
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return EFI_INVALID_PARAMETER;
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}
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Ip4Str = (CHAR8 *) AllocatePool ((StrLen (String) + 1) * sizeof (CHAR8));
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if (Ip4Str == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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UnicodeStrToAsciiStr (String, Ip4Str);
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Status = NetLibAsciiStrToIp4 (Ip4Str, Ip4Address);
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FreePool (Ip4Str);
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return Status;
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}
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/**
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Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS. The format of
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the string is defined in RFC 4291 - Text Pepresentation of Addresses.
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@param[in] String The pointer to the Ascii string.
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@param[out] Ip6Address The pointer to the converted IPv6 address.
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@retval EFI_SUCCESS Convert to IPv6 address successfully.
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@retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.
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@retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.
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**/
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EFI_STATUS
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NetLibStrToIp6 (
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IN CONST CHAR16 *String,
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OUT EFI_IPv6_ADDRESS *Ip6Address
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)
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{
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CHAR8 *Ip6Str;
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EFI_STATUS Status;
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if ((String == NULL) || (Ip6Address == NULL)) {
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return EFI_INVALID_PARAMETER;
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}
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Ip6Str = (CHAR8 *) AllocatePool ((StrLen (String) + 1) * sizeof (CHAR8));
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if (Ip6Str == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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UnicodeStrToAsciiStr (String, Ip6Str);
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Status = NetLibAsciiStrToIp6 (Ip6Str, Ip6Address);
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FreePool (Ip6Str);
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return Status;
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}
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/**
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Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS and prefix length.
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The format of the string is defined in RFC 4291 - Text Pepresentation of Addresses
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Prefixes: ipv6-address/prefix-length.
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@param[in] String The pointer to the Ascii string.
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@param[out] Ip6Address The pointer to the converted IPv6 address.
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@param[out] PrefixLength The pointer to the converted prefix length.
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@retval EFI_SUCCESS Convert to IPv6 address successfully.
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@retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.
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@retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.
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**/
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EFI_STATUS
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NetLibStrToIp6andPrefix (
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IN CONST CHAR16 *String,
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OUT EFI_IPv6_ADDRESS *Ip6Address,
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OUT UINT8 *PrefixLength
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)
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{
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CHAR8 *Ip6Str;
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CHAR8 *PrefixStr;
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CHAR8 *TempStr;
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EFI_STATUS Status;
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UINT8 Length;
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if ((String == NULL) || (Ip6Address == NULL) || (PrefixLength == NULL)) {
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return EFI_INVALID_PARAMETER;
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}
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Ip6Str = (CHAR8 *) AllocatePool ((StrLen (String) + 1) * sizeof (CHAR8));
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if (Ip6Str == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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UnicodeStrToAsciiStr (String, Ip6Str);
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//
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// Get the sub string describing prefix length.
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//
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TempStr = Ip6Str;
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while (*TempStr != '\0' && (*TempStr != '/')) {
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TempStr++;
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}
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if (*TempStr == '/') {
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PrefixStr = TempStr + 1;
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} else {
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PrefixStr = NULL;
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}
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//
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// Get the sub string describing IPv6 address and convert it.
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//
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*TempStr = '\0';
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Status = NetLibAsciiStrToIp6 (Ip6Str, Ip6Address);
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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//
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// Convert the string to prefix length
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//
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Length = 0;
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if (PrefixStr != NULL) {
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Status = EFI_INVALID_PARAMETER;
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while (*PrefixStr != '\0') {
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if (NET_IS_DIGIT (*PrefixStr)) {
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Length = (UINT8) (Length * 10 + (*PrefixStr - '0'));
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if (Length >= IP6_PREFIX_NUM) {
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goto Exit;
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}
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} else {
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goto Exit;
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}
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PrefixStr++;
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}
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}
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*PrefixLength = Length;
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Status = EFI_SUCCESS;
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Exit:
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FreePool (Ip6Str);
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return Status;
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}
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