Commit Graph

5 Commits

Author SHA1 Message Date
Eric Dong c3c9892c3b MdePkg UefiDevicePathLib: Validate before touch input buffer.
Current code not validate the input buffer before touch.
it may touch the buffer outside the validate scope. This
patch validate the input size big enough to touch the
first node.

Cc: Ruiyu NI <ruiyu.ni@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
2016-11-09 17:49:17 +08:00
Eric Dong fb9405f958 MdePkg UefiDevicePathLib: Rollback former change.
Former patch still has some bugs, so rollback it and
enhance the original code.

Cc: Ruiyu NI <ruiyu.ni@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
2016-11-09 17:49:16 +08:00
Eric Dong e9fb71b299 MdePkg UefiDevicePathLib: Validate buffer length before use buffer.
In IsDevicePathValid API, code should validate the device path
buffer not exceed the input MaxSize before reference the path
info.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
2016-10-19 10:20:04 +08:00
Ruiyu Ni ed2867debc Remove the assertion which may cause IsDevicePathValid() hang in DEBUG build.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15544 6f19259b-4bc3-4df7-8a09-765794883524
2014-05-22 07:34:35 +00:00
Ruiyu Ni 4d0a30a494 Add 4 APIs to DevicePathLib: ConvertDeviceNodeToText, ConvertDevicePathToText, ConvertTextToDeviceNode and ConvertTextToDevicePath.
Add a new instance of DevicePathLib which tries to locate the protocol and if it's not found, it uses the internal functions.

Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14504 6f19259b-4bc3-4df7-8a09-765794883524
2013-07-26 03:00:21 +00:00