tyler.durden/audk
1
0
Fork 0
mirror of https://github.com/acidanthera/audk.git synced 2025-07-27 07:34:06 +02:00
Code Issues Packages Projects Releases Wiki Activity

Fix a bug:

Browse Source 
RFC 2132, Section 9.5 does not strictly state Bootfile name (option 67) is null 
terminated string. So force to append null terminated character at the end of string.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10635 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
hhuan13 2010-07-07 05:55:41 +00:00
parent be757a7fb5
commit 4546bcbb3a
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c
View File

@ -135,6 +135,7 @@ PxeBcParseCachedDhcpPacket (
EFI_DHCP4_PACKET_OPTION *Option; EFI_DHCP4_PACKET_OPTION *Option;
UINT8 OfferType; UINT8 OfferType;
UINTN Index; UINTN Index;
UINT8 *Ptr8;
CachedPacket->IsPxeOffer = FALSE; CachedPacket->IsPxeOffer = FALSE;
ZeroMem (CachedPacket->Dhcp4Option, sizeof (CachedPacket->Dhcp4Option)); ZeroMem (CachedPacket->Dhcp4Option, sizeof (CachedPacket->Dhcp4Option));
@ -188,6 +189,14 @@ PxeBcParseCachedDhcpPacket (
sizeof (Offer->Dhcp4.Header.BootFileName), sizeof (Offer->Dhcp4.Header.BootFileName),
PXEBC_DHCP4_TAG_BOOTFILE PXEBC_DHCP4_TAG_BOOTFILE
); );
//
// RFC 2132, Section 9.5 does not strictly state Bootfile name (option 67) is null
// terminated string. So force to append null terminated character at the end of string.
//
ASSERT (Options[PXEBC_DHCP4_TAG_INDEX_BOOTFILE] != NULL);
Ptr8 = (UINT8*)&Options[PXEBC_DHCP4_TAG_INDEX_BOOTFILE]->Data[0];
Ptr8 += Options[PXEBC_DHCP4_TAG_INDEX_BOOTFILE]->Length;
Ptr8 = '\0';
} else if ((Options[PXEBC_DHCP4_TAG_INDEX_BOOTFILE] == NULL) && } else if ((Options[PXEBC_DHCP4_TAG_INDEX_BOOTFILE] == NULL) &&
(Offer->Dhcp4.Header.BootFileName[0] != 0)) { (Offer->Dhcp4.Header.BootFileName[0] != 0)) {