SrvRqst: Add bounds checking on buffer parsing

There are multiple length fields provided by the user in this command.
Need to ensure those lengths do not exceed the input buffer size.

Tested:
- Executed new unit tests successfully

Change-Id: Ife4b74d7541d6939bdc30a381fc5cc80cfd24057
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
3 files changed