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MdeModulePkg:Fix bug in function AsciiStrToIp4. 

If a FQDN contains 3 dots '.' like "a.b.c.com", the AsciiStrToIp4
will return success as the HostName has a valid IP address. So we
need to check if it is a decimal character before using AsciiStrDecimalToUintn.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Sriram Subramanian <sriram-s@hpe.com>
This commit is contained in:
Zhang Lubo 2016-08-19 15:38:20 +08:00 committed by Fu Siyuan
parent 4962fcfa7d
commit d82d59edb0
1 changed files with 3 additions and 0 deletions
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3
MdeModulePkg/Library/DxeNetLib/DxeNetLib.c
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@ -2726,6 +2726,9 @@ NetLibAsciiStrToIp4 (
TempStr = Ip4Str;
while ((*Ip4Str != '\0') && (*Ip4Str != '.')) {
if (!NET_IS_DIGIT (*Ip4Str)) {
return EFI_INVALID_PARAMETER;
}
Ip4Str++;
}