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NetworkPkg:Fix bug when parsing the dhcp6 option 16 

when to parse the DHCP6 reply packet,there will be 6
bytes offset before the option data according to
RFC 3315.

Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
Reviewed-by: Reviewed-by: Hegde Nagaraj P <nagaraj-p.hegde@hpe.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Wu Jiaxin <jiaxin.wu@intel.com>
This commit is contained in:
Zhang, Lubo 2016-03-24 16:45:32 +08:00 committed by Jiaxin Wu
parent 651aeac672
commit 3decba3d32
1 changed files with 2 additions and 2 deletions
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4
NetworkPkg/HttpBootDxe/HttpBootDhcp6.c
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@ -251,8 +251,8 @@ HttpBootParseDhcp6Packet (
Option = Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS]; Option = Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS];
if (Option != NULL && if (Option != NULL &&
NTOHS(Option->OpLen) >= 10 && NTOHS(Option->OpLen) >= 16 &&
CompareMem (Option->Data, DEFAULT_CLASS_ID_DATA, 10) == 0) { CompareMem ((Option->Data + 6), DEFAULT_CLASS_ID_DATA, 10) == 0) {
IsHttpOffer = TRUE; IsHttpOffer = TRUE;
} }