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Add non-regression test for buffer overflow

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Janos Follath 2019-03-06 12:29:37 +00:00
parent c1fa6cdab6
commit 276284fd2e
2 changed files with 6 additions and 0 deletions
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3
tests/suites/test_suite_mpi.data
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@ -25,6 +25,9 @@ mpi_read_write_string:16:"-20":10:"-32":100:0:0
Base test mpi_read_write_string #3 (Negative decimal) Base test mpi_read_write_string #3 (Negative decimal)
mpi_read_write_string:16:"-23":16:"-23":100:0:0 mpi_read_write_string:16:"-23":16:"-23":100:0:0
Base test mpi_read_write_string #4 (Buffer just fits)
mpi_read_write_string:16:"-4":4:"-10":4:0:0
Test mpi_read_write_string #1 (Invalid character) Test mpi_read_write_string #1 (Invalid character)
mpi_read_write_string:10:"a28":0:"":100:MBEDTLS_ERR_MPI_INVALID_CHARACTER:0 mpi_read_write_string:10:"a28":0:"":100:MBEDTLS_ERR_MPI_INVALID_CHARACTER:0

3
tests/suites/test_suite_mpi.function
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@ -294,6 +294,8 @@ void mpi_read_write_string( int radix_X, char * input_X, int radix_A,
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &X );
memset( str, '!', sizeof( str ) );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == result_read ); TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == result_read );
if( result_read == 0 ) if( result_read == 0 )
{ {
@ -301,6 +303,7 @@ void mpi_read_write_string( int radix_X, char * input_X, int radix_A,
if( result_write == 0 ) if( result_write == 0 )
{ {
TEST_ASSERT( strcasecmp( str, input_A ) == 0 ); TEST_ASSERT( strcasecmp( str, input_A ) == 0 );
TEST_ASSERT( str[len] == '!' );
} }
} }