1#
2# FreeRTOS memory safety proofs with CBMC.
3# Copyright (C) 2022 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
4#
5# Permission is hereby granted, free of charge, to any person
6# obtaining a copy of this software and associated documentation
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24#
25# http://aws.amazon.com/freertos
26# http://www.FreeRTOS.org
27#
28
29{
30  "ENTRY": "DHCPProcess",
31
32  # Minimal buffer size for maximum coverage, see harness for details.
33  "BUFFER_SIZE": 299,
34
35  # The number of times GetNetworkBufferWithDescriptor can be allowed to fail
36  # (plus 1).
37  "FAILURE_BOUND": 2,
38
39  "CBMCFLAGS": "--unwind 4 --unwindset strlen.0:11,memcmp.0:7,prvProcessDHCPReplies.0:8,prvCreatePartDHCPMessage.0:{FAILURE_BOUND} --nondet-static --flush",
40  "OBJS":
41  [
42    "$(ENTRY)_harness.goto",
43    "$(FREERTOS_PLUS_TCP)/test/cbmc/stubs/cbmc.goto",
44    "$(FREERTOS_PLUS_TCP)/test/cbmc/stubs/freertos_api.goto",
45    "$(FREERTOS_PLUS_TCP)/source/FreeRTOS_DHCP.goto",
46    "$(FREERTOS_PLUS_TCP)/source/FreeRTOS_IP.goto",
47    "$(FREERTOS_PLUS_TCP)/source/FreeRTOS_ARP.goto"
48  ],
49
50  "DEF":
51  [
52    "BUFFER_SIZE={BUFFER_SIZE}",
53    "CBMC_REQUIRE_NETWORKBUFFER_ETHERNETBUFFER_NONNULL=1",
54    "CBMC_GETNETWORKBUFFER_FAILURE_BOUND={FAILURE_BOUND}"
55  ]
56}
57