X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FLibrary%2FDxeNetLib%2FDxeNetLib.c;h=b8544b89ab8d3f5bee7b5e94c1eb12f615b170c2;hp=0a7117cf9d2e26627886bf5ee611664750bb343c;hb=29788f178e48fa5ffe7d3262d73c9548e9285d2d;hpb=418373a1cd97abc0c0e3557f7a00105291829e6f diff --git a/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c b/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c index 0a7117cf9d..b8544b89ab 100644 --- a/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c +++ b/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c @@ -1,7 +1,7 @@ /** @file Network library. -Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.
+Copyright (c) 2005 - 2017, Intel Corporation. All rights reserved.
(C) Copyright 2015 Hewlett Packard Enterprise Development LP
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License @@ -637,7 +637,9 @@ NetGetIpClass ( ASSERT if NetMask is zero. - If all bits of the host address of IP are 0 or 1, IP is also not a valid unicast address. + If all bits of the host address of IP are 0 or 1, IP is also not a valid unicast address, + except when the originator is one of the endpoints of a point-to-point link with a 31-bit + mask (RFC3021). @param[in] Ip The IP to check against. @param[in] NetMask The mask of the IP. @@ -657,9 +659,13 @@ NetIp4IsUnicast ( if (Ip == 0 || IP4_IS_LOCAL_BROADCAST (Ip)) { return FALSE; } - - if (((Ip &~NetMask) == ~NetMask) || ((Ip &~NetMask) == 0)) { - return FALSE; + + if (NetGetMaskLength (NetMask) != 31) { + if (((Ip &~NetMask) == ~NetMask) || ((Ip &~NetMask) == 0)) { + return FALSE; + } + } else { + return TRUE; } return TRUE; @@ -872,7 +878,7 @@ NetRandomInitSeed ( UINT64 MonotonicCount; gRT->GetTime (&Time, NULL); - Seed = (~Time.Hour << 24 | Time.Day << 16 | Time.Minute << 8 | Time.Second); + Seed = (Time.Hour << 24 | Time.Day << 16 | Time.Minute << 8 | Time.Second); Seed ^= Time.Nanosecond; Seed ^= Time.Year << 7; @@ -2225,6 +2231,7 @@ NetLibGetMacString ( UINT16 VlanId; CHAR16 *String; UINTN Index; + UINTN BufferSize; ASSERT (MacString != NULL); @@ -2241,7 +2248,8 @@ NetLibGetMacString ( // If VLAN is configured, it will need extra 5 characters like "\0005". // Plus one unicode character for the null-terminator. // - String = AllocateZeroPool ((2 * HwAddressSize + 5 + 1) * sizeof (CHAR16)); + BufferSize = (2 * HwAddressSize + 5 + 1) * sizeof (CHAR16); + String = AllocateZeroPool (BufferSize); if (String == NULL) { return EFI_OUT_OF_RESOURCES; } @@ -2252,7 +2260,14 @@ NetLibGetMacString ( // HwAddress = &MacAddress.Addr[0]; for (Index = 0; Index < HwAddressSize; Index++) { - String += UnicodeValueToString (String, PREFIX_ZERO | RADIX_HEX, *(HwAddress++), 2); + UnicodeValueToStringS ( + String, + BufferSize - ((UINTN)String - (UINTN)*MacString), + PREFIX_ZERO | RADIX_HEX, + *(HwAddress++), + 2 + ); + String += StrnLenS (String, (BufferSize - ((UINTN)String - (UINTN)*MacString)) / sizeof (CHAR16)); } // @@ -2261,7 +2276,14 @@ NetLibGetMacString ( VlanId = NetLibGetVlanId (ServiceHandle); if (VlanId != 0) { *String++ = L'\\'; - String += UnicodeValueToString (String, PREFIX_ZERO | RADIX_HEX, VlanId, 4); + UnicodeValueToStringS ( + String, + BufferSize - ((UINTN)String - (UINTN)*MacString), + PREFIX_ZERO | RADIX_HEX, + VlanId, + 4 + ); + String += StrnLenS (String, (BufferSize - ((UINTN)String - (UINTN)*MacString)) / sizeof (CHAR16)); } // @@ -2709,63 +2731,15 @@ NetLibAsciiStrToIp4 ( OUT EFI_IPv4_ADDRESS *Ip4Address ) { - UINT8 Index; - CHAR8 *Ip4Str; - CHAR8 *TempStr; - UINTN NodeVal; + RETURN_STATUS Status; + CHAR8 *EndPointer; - if ((String == NULL) || (Ip4Address == NULL)) { + Status = AsciiStrToIpv4Address (String, &EndPointer, Ip4Address, NULL); + if (RETURN_ERROR (Status) || (*EndPointer != '\0')) { return EFI_INVALID_PARAMETER; + } else { + return EFI_SUCCESS; } - - Ip4Str = (CHAR8 *) String; - - for (Index = 0; Index < 4; Index++) { - TempStr = Ip4Str; - - while ((*Ip4Str != '\0') && (*Ip4Str != '.')) { - if (Index != 3 && !NET_IS_DIGIT (*Ip4Str)) { - return EFI_INVALID_PARAMETER; - } - - // - // Allow the IPv4 with prefix case, e.g. 192.168.10.10/24 - // - if (Index == 3 && !NET_IS_DIGIT (*Ip4Str) && *Ip4Str != '/') { - return EFI_INVALID_PARAMETER; - } - - Ip4Str++; - } - - // - // The IPv4 address is X.X.X.X - // - if (*Ip4Str == '.') { - if (Index == 3) { - return EFI_INVALID_PARAMETER; - } - } else { - if (Index != 3) { - return EFI_INVALID_PARAMETER; - } - } - - // - // Convert the string to IPv4 address. AsciiStrDecimalToUintn stops at the - // first character that is not a valid decimal character, '.' or '\0' here. - // - NodeVal = AsciiStrDecimalToUintn (TempStr); - if (NodeVal > 0xFF) { - return EFI_INVALID_PARAMETER; - } - - Ip4Address->Addr[Index] = (UINT8) NodeVal; - - Ip4Str++; - } - - return EFI_SUCCESS; } @@ -2787,193 +2761,15 @@ NetLibAsciiStrToIp6 ( OUT EFI_IPv6_ADDRESS *Ip6Address ) { - UINT8 Index; - CHAR8 *Ip6Str; - CHAR8 *TempStr; - CHAR8 *TempStr2; - UINT8 NodeCnt; - UINT8 TailNodeCnt; - UINT8 AllowedCnt; - UINTN NodeVal; - BOOLEAN Short; - BOOLEAN Update; - BOOLEAN LeadZero; - UINT8 LeadZeroCnt; - UINT8 Cnt; - - if ((String == NULL) || (Ip6Address == NULL)) { - return EFI_INVALID_PARAMETER; - } - - Ip6Str = (CHAR8 *) String; - AllowedCnt = 6; - LeadZeroCnt = 0; - - // - // An IPv6 address leading with : looks strange. - // - if (*Ip6Str == ':') { - if (*(Ip6Str + 1) != ':') { - return EFI_INVALID_PARAMETER; - } else { - AllowedCnt = 7; - } - } - - ZeroMem (Ip6Address, sizeof (EFI_IPv6_ADDRESS)); - - NodeCnt = 0; - TailNodeCnt = 0; - Short = FALSE; - Update = FALSE; - LeadZero = FALSE; - - for (Index = 0; Index < 15; Index = (UINT8) (Index + 2)) { - TempStr = Ip6Str; - - while ((*Ip6Str != '\0') && (*Ip6Str != ':')) { - if (Index != 14 && !NET_IS_HEX (*Ip6Str)) { - return EFI_INVALID_PARAMETER; - } - - // - // Allow the IPv6 with prefix case, e.g. 2000:aaaa::10/24 - // - if (Index == 14 && !NET_IS_HEX (*Ip6Str) && *Ip6Str != '/') { - return EFI_INVALID_PARAMETER; - } - - Ip6Str++; - } - - if ((*Ip6Str == '\0') && (Index != 14)) { - return EFI_INVALID_PARAMETER; - } - - if (*Ip6Str == ':') { - if (*(Ip6Str + 1) == ':') { - if ((NodeCnt > 6) || - ((*(Ip6Str + 2) != '\0') && (AsciiStrHexToUintn (Ip6Str + 2) == 0))) { - // - // ::0 looks strange. report error to user. - // - return EFI_INVALID_PARAMETER; - } - if ((NodeCnt == 6) && (*(Ip6Str + 2) != '\0') && - (AsciiStrHexToUintn (Ip6Str + 2) != 0)) { - return EFI_INVALID_PARAMETER; - } - - // - // Skip the abbreviation part of IPv6 address. - // - TempStr2 = Ip6Str + 2; - while ((*TempStr2 != '\0')) { - if (*TempStr2 == ':') { - if (*(TempStr2 + 1) == ':') { - // - // :: can only appear once in IPv6 address. - // - return EFI_INVALID_PARAMETER; - } - - TailNodeCnt++; - if (TailNodeCnt >= (AllowedCnt - NodeCnt)) { - // - // :: indicates one or more groups of 16 bits of zeros. - // - return EFI_INVALID_PARAMETER; - } - } - - TempStr2++; - } - - Short = TRUE; - Update = TRUE; - - Ip6Str = Ip6Str + 2; - } else { - if (*(Ip6Str + 1) == '\0') { - return EFI_INVALID_PARAMETER; - } - Ip6Str++; - NodeCnt++; - if ((Short && (NodeCnt > 6)) || (!Short && (NodeCnt > 7))) { - // - // There are more than 8 groups of 16 bits of zeros. - // - return EFI_INVALID_PARAMETER; - } - } - } - - // - // Convert the string to IPv6 address. AsciiStrHexToUintn stops at the first - // character that is not a valid hexadecimal character, ':' or '\0' here. - // - NodeVal = AsciiStrHexToUintn (TempStr); - if ((NodeVal > 0xFFFF) || (Index > 14)) { - return EFI_INVALID_PARAMETER; - } - if (NodeVal != 0) { - if ((*TempStr == '0') && - ((*(TempStr + 2) == ':') || (*(TempStr + 3) == ':') || - (*(TempStr + 2) == '\0') || (*(TempStr + 3) == '\0'))) { - return EFI_INVALID_PARAMETER; - } - if ((*TempStr == '0') && (*(TempStr + 4) != '\0') && - (*(TempStr + 4) != ':')) { - return EFI_INVALID_PARAMETER; - } - } else { - if (((*TempStr == '0') && (*(TempStr + 1) == '0') && - ((*(TempStr + 2) == ':') || (*(TempStr + 2) == '\0'))) || - ((*TempStr == '0') && (*(TempStr + 1) == '0') && (*(TempStr + 2) == '0') && - ((*(TempStr + 3) == ':') || (*(TempStr + 3) == '\0')))) { - return EFI_INVALID_PARAMETER; - } - } - - Cnt = 0; - while ((TempStr[Cnt] != ':') && (TempStr[Cnt] != '\0')) { - Cnt++; - } - if (LeadZeroCnt == 0) { - if ((Cnt == 4) && (*TempStr == '0')) { - LeadZero = TRUE; - LeadZeroCnt++; - } - if ((Cnt != 0) && (Cnt < 4)) { - LeadZero = FALSE; - LeadZeroCnt++; - } - } else { - if ((Cnt == 4) && (*TempStr == '0') && !LeadZero) { - return EFI_INVALID_PARAMETER; - } - if ((Cnt != 0) && (Cnt < 4) && LeadZero) { - return EFI_INVALID_PARAMETER; - } - } + RETURN_STATUS Status; + CHAR8 *EndPointer; - Ip6Address->Addr[Index] = (UINT8) (NodeVal >> 8); - Ip6Address->Addr[Index + 1] = (UINT8) (NodeVal & 0xFF); - - // - // Skip the groups of zeros by :: - // - if (Short && Update) { - Index = (UINT8) (16 - (TailNodeCnt + 2) * 2); - Update = FALSE; - } - } - - if ((!Short && Index != 16) || (*Ip6Str != '\0')) { + Status = AsciiStrToIpv6Address (String, &EndPointer, Ip6Address, NULL); + if (RETURN_ERROR (Status) || (*EndPointer != '\0')) { return EFI_INVALID_PARAMETER; + } else { + return EFI_SUCCESS; } - - return EFI_SUCCESS; } @@ -2985,7 +2781,6 @@ NetLibAsciiStrToIp6 ( @retval EFI_SUCCESS Convert to IPv4 address successfully. @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip4Address is NULL. - @retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource. **/ EFI_STATUS @@ -2995,27 +2790,15 @@ NetLibStrToIp4 ( OUT EFI_IPv4_ADDRESS *Ip4Address ) { - CHAR8 *Ip4Str; - UINTN StringSize; - EFI_STATUS Status; + RETURN_STATUS Status; + CHAR16 *EndPointer; - if ((String == NULL) || (Ip4Address == NULL)) { + Status = StrToIpv4Address (String, &EndPointer, Ip4Address, NULL); + if (RETURN_ERROR (Status) || (*EndPointer != L'\0')) { return EFI_INVALID_PARAMETER; + } else { + return EFI_SUCCESS; } - - StringSize = StrLen (String) + 1; - Ip4Str = (CHAR8 *) AllocatePool (StringSize * sizeof (CHAR8)); - if (Ip4Str == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - UnicodeStrToAsciiStrS (String, Ip4Str, StringSize); - - Status = NetLibAsciiStrToIp4 (Ip4Str, Ip4Address); - - FreePool (Ip4Str); - - return Status; } @@ -3028,7 +2811,6 @@ NetLibStrToIp4 ( @retval EFI_SUCCESS Convert to IPv6 address successfully. @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL. - @retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource. **/ EFI_STATUS @@ -3038,27 +2820,15 @@ NetLibStrToIp6 ( OUT EFI_IPv6_ADDRESS *Ip6Address ) { - CHAR8 *Ip6Str; - UINTN StringSize; - EFI_STATUS Status; + RETURN_STATUS Status; + CHAR16 *EndPointer; - if ((String == NULL) || (Ip6Address == NULL)) { + Status = StrToIpv6Address (String, &EndPointer, Ip6Address, NULL); + if (RETURN_ERROR (Status) || (*EndPointer != L'\0')) { return EFI_INVALID_PARAMETER; + } else { + return EFI_SUCCESS; } - - StringSize = StrLen (String) + 1; - Ip6Str = (CHAR8 *) AllocatePool (StringSize * sizeof (CHAR8)); - if (Ip6Str == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - UnicodeStrToAsciiStrS (String, Ip6Str, StringSize); - - Status = NetLibAsciiStrToIp6 (Ip6Str, Ip6Address); - - FreePool (Ip6Str); - - return Status; } /** @@ -3072,7 +2842,6 @@ NetLibStrToIp6 ( @retval EFI_SUCCESS Convert to IPv6 address successfully. @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL. - @retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource. **/ EFI_STATUS @@ -3083,82 +2852,15 @@ NetLibStrToIp6andPrefix ( OUT UINT8 *PrefixLength ) { - CHAR8 *Ip6Str; - UINTN StringSize; - CHAR8 *PrefixStr; - CHAR8 *TempStr; - EFI_STATUS Status; - UINT8 Length; - - if ((String == NULL) || (Ip6Address == NULL) || (PrefixLength == NULL)) { - return EFI_INVALID_PARAMETER; - } - - StringSize = StrLen (String) + 1; - Ip6Str = (CHAR8 *) AllocatePool (StringSize * sizeof (CHAR8)); - if (Ip6Str == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - UnicodeStrToAsciiStrS (String, Ip6Str, StringSize); + RETURN_STATUS Status; + CHAR16 *EndPointer; - // - // Get the sub string describing prefix length. - // - TempStr = Ip6Str; - while (*TempStr != '\0' && (*TempStr != '/')) { - TempStr++; - } - - if (*TempStr == '/') { - PrefixStr = TempStr + 1; + Status = StrToIpv6Address (String, &EndPointer, Ip6Address, PrefixLength); + if (RETURN_ERROR (Status) || (*EndPointer != L'\0')) { + return EFI_INVALID_PARAMETER; } else { - PrefixStr = NULL; - } - - // - // Get the sub string describing IPv6 address and convert it. - // - *TempStr = '\0'; - - Status = NetLibAsciiStrToIp6 (Ip6Str, Ip6Address); - if (EFI_ERROR (Status)) { - goto Exit; - } - - // - // If input string doesn't indicate the prefix length, return 0xff. - // - Length = 0xFF; - - // - // Convert the string to prefix length - // - if (PrefixStr != NULL) { - - Status = EFI_INVALID_PARAMETER; - Length = 0; - while (*PrefixStr != '\0') { - if (NET_IS_DIGIT (*PrefixStr)) { - Length = (UINT8) (Length * 10 + (*PrefixStr - '0')); - if (Length > IP6_PREFIX_MAX) { - goto Exit; - } - } else { - goto Exit; - } - - PrefixStr++; - } + return EFI_SUCCESS; } - - *PrefixLength = Length; - Status = EFI_SUCCESS; - -Exit: - - FreePool (Ip6Str); - return Status; } /** @@ -3299,7 +3001,7 @@ NetLibGetSystemGuid ( return EFI_NOT_FOUND; } Smbios.Hdr = (SMBIOS_STRUCTURE *) (UINTN) SmbiosTable->TableAddress; - SmbiosEnd.Raw = (UINT8 *) (UINTN) (SmbiosTable->TableAddress + SmbiosTable->TableLength); + SmbiosEnd.Raw = (UINT8 *) ((UINTN) SmbiosTable->TableAddress + SmbiosTable->TableLength); } do {