#
# FreeRTOS memory safety proofs with CBMC.
# Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use, copy,
# modify, merge, publish, distribute, sublicense, and/or sell copies
# of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
# http://aws.amazon.com/freertos
# http://www.FreeRTOS.org
#

{
  "ENTRY": "DHCPProcess",

  # Minimal buffer size for maximum coverage, see harness for details.
  "BUFFER_SIZE": 299,

  # The number of times GetNetworkBufferWithDescriptor can be allowed to fail
  # (plus 1).
  "FAILURE_BOUND": 2,

  "CBMCFLAGS": "--unwind 4 --unwindset strlen.0:11,memcmp.0:7,prvProcessDHCPReplies.0:8,prvCreatePartDHCPMessage.0:{FAILURE_BOUND} --nondet-static --flush",
  "OBJS":
  [
    "$(ENTRY)_harness.goto",
    "$(FREERTOS_PLUS_TCP)/test/cbmc/stubs/cbmc.goto",
    "$(FREERTOS_PLUS_TCP)/test/cbmc/stubs/freertos_api.goto",
    "$(FREERTOS_PLUS_TCP)/FreeRTOS_DHCP.goto",
    "$(FREERTOS_PLUS_TCP)/FreeRTOS_IP.goto",
    "$(FREERTOS_PLUS_TCP)/FreeRTOS_ARP.goto"
  ],

  "DEF":
  [
    "BUFFER_SIZE={BUFFER_SIZE}",
    "CBMC_REQUIRE_NETWORKBUFFER_ETHERNETBUFFER_NONNULL=1",
    "CBMC_GETNETWORKBUFFER_FAILURE_BOUND={FAILURE_BOUND}"
  ]
}