mirror of
https://github.com/espressif/openthread.git
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arnulfrupp
928c78a01b
This commit implements rate limitation for the TCAT commands Present PSKd Hash TLV (0x10), Present PSKc Hash TLV (0x11) and Present Install-code Hash TLV (0x12) to prevent password guessing attacks. It also removes the TCAT command Request PSKd Hash TLV (0x14), to prevent offline password guessing attacks with a single Hash value retrieved from the device. Note: The commit does not remove the Request PSKd Hash TLV implementation in the Python commissioner such that the non-existence of the command TLV can still be tested.
107 lines
3.5 KiB
Plaintext
Executable File
107 lines
3.5 KiB
Plaintext
Executable File
#!/usr/bin/expect -f
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#
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# Copyright (c) 2024, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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source "tests/scripts/expect/_common.exp"
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spawn_node 1 "cli"
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# Sleep > 50 seconds to ensure the maximum number of unsuccessful hash verification attempts (10) are permitted
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sleep 51
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spawn_tcat_client_for_node 1 tools/tcat_ble_client/auth-cert/CommCert2
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send "commission\n"
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expect_line "\tTYPE:\tRESPONSE_W_STATUS"
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expect_line "\tVALUE:\t0x10"
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send "random_challenge\n"
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expect_line "\tTYPE:\tRESPONSE_W_PAYLOAD"
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expect_line "\tLEN:\t8"
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send "present_hash pskd AAAA\n"
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expect_line "\tTYPE:\tRESPONSE_W_STATUS"
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expect_line "\tVALUE:\t0x07"
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send "present_hash pskd JJJJJJ\n"
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expect_line "\tTYPE:\tRESPONSE_W_STATUS"
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expect_line "\tVALUE:\t0x00"
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send "commission\n"
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expect_line "\tTYPE:\tRESPONSE_W_STATUS"
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expect_line "\tVALUE:\t0x00"
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send "present_hash install InstallCode\n"
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expect_line "\tTYPE:\tRESPONSE_W_STATUS"
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expect_line "\tVALUE:\t0x00"
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send "present_hash install Code\n"
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expect_line "\tTYPE:\tRESPONSE_W_STATUS"
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expect_line "\tVALUE:\t0x07"
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send "present_hash pskc 5e9b9b360f80b88be2603fb0135c8d65\n"
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expect_line "\tTYPE:\tRESPONSE_W_STATUS"
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expect_line "\tVALUE:\t0x00"
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send "present_hash pskc aaaa\n"
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expect_line "\tTYPE:\tRESPONSE_W_STATUS"
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expect_line "\tVALUE:\t0x07"
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# Sleep >> 5 seconds to ensure a few more hash verification attempts are allowed
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sleep 20
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# Try hash verification >10 times to enforce rate limitation
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for {set i 0} {$i < 11} {incr i} {
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send "present_hash pskd AAAA\n"
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expect_line "\tTYPE:\tRESPONSE_W_STATUS"
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}
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send "present_hash pskd AAAA\n"
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expect_line "\tTYPE:\tRESPONSE_W_STATUS"
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expect_line "\tVALUE:\t0x05"
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# Sleep >5 seconds to ensure one more hash verification attempt is allowed
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sleep 5.5
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send "present_hash pskd AAAA\n"
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expect_line "\tTYPE:\tRESPONSE_W_STATUS"
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expect_line "\tVALUE:\t0x07"
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dispose_tcat_client 1
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switch_node 1
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send "tcat stop\n"
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expect_line "Done"
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send "networkkey\n"
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expect_line "fda7c771a27202e232ecd04cf934f476"
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expect_line "Done"
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dispose_all
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