mirror of
https://github.com/Mbed-TLS/mbedtls.git
synced 2025-12-24 17:41:01 +03:00
Merge remote-tracking branch 'upstream/mbedtls-3.6' into pre-3.6.3-upstream-merge
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@@ -135,6 +135,7 @@ if in_mbedtls_repo; then
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check scripts/generate_query_config.pl programs/test/query_config.c
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check scripts/generate_features.pl library/version_features.c
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check framework/scripts/generate_ssl_debug_helpers.py library/ssl_debug_helpers_generated.c
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check framework/scripts/generate_tls_handshake_tests.py tests/opt-testcases/handshake-generated.sh
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check framework/scripts/generate_tls13_compat_tests.py tests/opt-testcases/tls13-compat.sh
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check framework/scripts/generate_test_cert_macros.py tests/src/test_certs.h
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# generate_visualc_files enumerates source files (library/*.c). It doesn't
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@@ -13,7 +13,7 @@ component_test_make_shared () {
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msg "build/test: make shared" # ~ 40s
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make SHARED=1 TEST_CPP=1 all check
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ldd programs/util/strerror | grep libmbedcrypto
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programs/test/dlopen_demo.sh
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$FRAMEWORK/tests/programs/dlopen_demo.sh
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}
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component_test_cmake_shared () {
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@@ -22,7 +22,7 @@ component_test_cmake_shared () {
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make
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ldd programs/util/strerror | grep libmbedcrypto
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make test
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programs/test/dlopen_demo.sh
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$FRAMEWORK/tests/programs/dlopen_demo.sh
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}
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support_test_cmake_out_of_source () {
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@@ -135,7 +135,7 @@ component_test_zeroize () {
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for compiler in clang gcc; do
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msg "test: $compiler $optimization_flag, mbedtls_platform_zeroize()"
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make programs CC="$compiler" DEBUG=1 CFLAGS="$optimization_flag"
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gdb -ex "$gdb_disable_aslr" -x tests/scripts/test_zeroize.gdb -nw -batch -nx 2>&1 | tee test_zeroize.log
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gdb -ex "$gdb_disable_aslr" -x $FRAMEWORK/tests/programs/test_zeroize.gdb -nw -batch -nx 2>&1 | tee test_zeroize.log
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grep "The buffer was correctly zeroized" test_zeroize.log
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not grep -i "error" test_zeroize.log
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rm -f test_zeroize.log
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@@ -1,64 +0,0 @@
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# test_zeroize.gdb
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#
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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#
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# Purpose
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#
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# Run a test using the debugger to check that the mbedtls_platform_zeroize()
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# function in platform_util.h is not being optimized out by the compiler. To do
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# so, the script loads the test program at programs/test/zeroize.c and sets a
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# breakpoint at the last return statement in main(). When the breakpoint is
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# hit, the debugger manually checks the contents to be zeroized and checks that
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# it is actually cleared.
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#
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# The mbedtls_platform_zeroize() test is debugger driven because there does not
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# seem to be a mechanism to reliably check whether the zeroize calls are being
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# eliminated by compiler optimizations from within the compiled program. The
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# problem is that a compiler would typically remove what it considers to be
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# "unnecessary" assignments as part of redundant code elimination. To identify
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# such code, the compilar will create some form dependency graph between
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# reads and writes to variables (among other situations). It will then use this
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# data structure to remove redundant code that does not have an impact on the
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# program's observable behavior. In the case of mbedtls_platform_zeroize(), an
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# intelligent compiler could determine that this function clears a block of
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# memory that is not accessed later in the program, so removing the call to
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# mbedtls_platform_zeroize() does not have an observable behavior. However,
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# inserting a test after a call to mbedtls_platform_zeroize() to check whether
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# the block of memory was correctly zeroed would force the compiler to not
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# eliminate the mbedtls_platform_zeroize() call. If this does not occur, then
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# the compiler potentially has a bug.
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#
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# Note: This test requires that the test program is compiled with -g3.
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set confirm off
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file ./programs/test/zeroize
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search GDB_BREAK_HERE
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break $_
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set args ./programs/test/zeroize.c
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run
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set $i = 0
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set $len = sizeof(buf)
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set $buf = buf
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while $i < $len
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if $buf[$i++] != 0
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echo The buffer at was not zeroized\n
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quit 1
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end
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end
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echo The buffer was correctly zeroized\n
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continue
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if $_exitcode != 0
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echo The program did not terminate correctly\n
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quit 1
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end
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quit 0
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