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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

This commit is contained in:
Minos Galanakis
2025-03-14 14:23:23 +00:00
57 changed files with 699 additions and 1166 deletions

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@@ -135,6 +135,7 @@ if in_mbedtls_repo; then
check scripts/generate_query_config.pl programs/test/query_config.c
check scripts/generate_features.pl library/version_features.c
check framework/scripts/generate_ssl_debug_helpers.py library/ssl_debug_helpers_generated.c
check framework/scripts/generate_tls_handshake_tests.py tests/opt-testcases/handshake-generated.sh
check framework/scripts/generate_tls13_compat_tests.py tests/opt-testcases/tls13-compat.sh
check framework/scripts/generate_test_cert_macros.py tests/src/test_certs.h
# generate_visualc_files enumerates source files (library/*.c). It doesn't

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@@ -13,7 +13,7 @@ component_test_make_shared () {
msg "build/test: make shared" # ~ 40s
make SHARED=1 TEST_CPP=1 all check
ldd programs/util/strerror | grep libmbedcrypto
programs/test/dlopen_demo.sh
$FRAMEWORK/tests/programs/dlopen_demo.sh
}
component_test_cmake_shared () {
@@ -22,7 +22,7 @@ component_test_cmake_shared () {
make
ldd programs/util/strerror | grep libmbedcrypto
make test
programs/test/dlopen_demo.sh
$FRAMEWORK/tests/programs/dlopen_demo.sh
}
support_test_cmake_out_of_source () {

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@@ -135,7 +135,7 @@ component_test_zeroize () {
for compiler in clang gcc; do
msg "test: $compiler $optimization_flag, mbedtls_platform_zeroize()"
make programs CC="$compiler" DEBUG=1 CFLAGS="$optimization_flag"
gdb -ex "$gdb_disable_aslr" -x tests/scripts/test_zeroize.gdb -nw -batch -nx 2>&1 | tee test_zeroize.log
gdb -ex "$gdb_disable_aslr" -x $FRAMEWORK/tests/programs/test_zeroize.gdb -nw -batch -nx 2>&1 | tee test_zeroize.log
grep "The buffer was correctly zeroized" test_zeroize.log
not grep -i "error" test_zeroize.log
rm -f test_zeroize.log

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@@ -1,64 +0,0 @@
# test_zeroize.gdb
#
# Copyright The Mbed TLS Contributors
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
#
# Purpose
#
# Run a test using the debugger to check that the mbedtls_platform_zeroize()
# function in platform_util.h is not being optimized out by the compiler. To do
# so, the script loads the test program at programs/test/zeroize.c and sets a
# breakpoint at the last return statement in main(). When the breakpoint is
# hit, the debugger manually checks the contents to be zeroized and checks that
# it is actually cleared.
#
# The mbedtls_platform_zeroize() test is debugger driven because there does not
# seem to be a mechanism to reliably check whether the zeroize calls are being
# eliminated by compiler optimizations from within the compiled program. The
# problem is that a compiler would typically remove what it considers to be
# "unnecessary" assignments as part of redundant code elimination. To identify
# such code, the compilar will create some form dependency graph between
# reads and writes to variables (among other situations). It will then use this
# data structure to remove redundant code that does not have an impact on the
# program's observable behavior. In the case of mbedtls_platform_zeroize(), an
# intelligent compiler could determine that this function clears a block of
# memory that is not accessed later in the program, so removing the call to
# mbedtls_platform_zeroize() does not have an observable behavior. However,
# inserting a test after a call to mbedtls_platform_zeroize() to check whether
# the block of memory was correctly zeroed would force the compiler to not
# eliminate the mbedtls_platform_zeroize() call. If this does not occur, then
# the compiler potentially has a bug.
#
# Note: This test requires that the test program is compiled with -g3.
set confirm off
file ./programs/test/zeroize
search GDB_BREAK_HERE
break $_
set args ./programs/test/zeroize.c
run
set $i = 0
set $len = sizeof(buf)
set $buf = buf
while $i < $len
if $buf[$i++] != 0
echo The buffer at was not zeroized\n
quit 1
end
end
echo The buffer was correctly zeroized\n
continue
if $_exitcode != 0
echo The program did not terminate correctly\n
quit 1
end
quit 0