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Merge pull request #3363 from bensze01/zeroize
Remove hardcoded line number from the zeroize test
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commit
15fee93121
@ -4,12 +4,10 @@
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* This is a simple test application used for debugger-driven testing to check
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* This is a simple test application used for debugger-driven testing to check
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* whether calls to mbedtls_platform_zeroize() are being eliminated by compiler
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* whether calls to mbedtls_platform_zeroize() are being eliminated by compiler
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* optimizations. This application is used by the GDB script at
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* optimizations. This application is used by the GDB script at
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* tests/scripts/test_zeroize.gdb under the assumption that the code does not
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* tests/scripts/test_zeroize.gdb: the script sets a breakpoint at the last
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* change often (as opposed to the library code) because the script sets a
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* return statement in the main() function of this program. The debugger
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* breakpoint at the last return statement in the main() function of this
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* facilities are then used to manually inspect the memory and verify that the
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* program. The debugger facilities are then used to manually inspect the
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* call to mbedtls_platform_zeroize() was not eliminated.
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* memory and verify that the call to mbedtls_platform_zeroize() was not
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* eliminated.
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*
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*
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* Copyright (C) 2018, Arm Limited, All Rights Reserved
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* Copyright (C) 2018, Arm Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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* SPDX-License-Identifier: Apache-2.0
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@ -98,5 +96,5 @@ int main( int argc, char** argv )
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fclose( fp );
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fclose( fp );
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mbedtls_platform_zeroize( buf, sizeof( buf ) );
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mbedtls_platform_zeroize( buf, sizeof( buf ) );
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mbedtls_exit( exit_code );
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mbedtls_exit( exit_code ); // GDB_BREAK_HERE -- don't remove this comment!
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}
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}
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@ -31,19 +31,13 @@
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# the compiler potentially has a bug.
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# the compiler potentially has a bug.
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#
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#
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# Note: This test requires that the test program is compiled with -g3.
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# Note: This test requires that the test program is compiled with -g3.
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#
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# WARNING: There does not seem to be a mechanism in GDB scripts to set a
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# breakpoint at the end of a function (probably because there are a lot of
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# complications as function can have multiple exit points, etc). Therefore, it
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# was necessary to hard-code the line number of the breakpoint in the zeroize.c
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# test app. The assumption is that zeroize.c is a simple test app that does not
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# change often (as opposed to the actual library code), so the breakpoint line
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# number does not need to be updated often.
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set confirm off
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set confirm off
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file ./programs/test/zeroize
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file ./programs/test/zeroize
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break zeroize.c:100
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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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set args ./programs/test/zeroize.c
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run
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run
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