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https://github.com/Mbed-TLS/mbedtls.git
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1630058dde
Length indication when given a too small buffer was off. Added regression test in test_suite_pem to detect this.
39 lines
1.0 KiB
Plaintext
39 lines
1.0 KiB
Plaintext
/* BEGIN_HEADER */
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#include <polarssl/base64.h>
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#include <polarssl/pem.h>
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:POLARSSL_PEM_WRITE_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void pem_write_buffer( char *start, char *end, char *buf_str, char *result_str )
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{
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unsigned char buf[5000];
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unsigned char *check_buf;
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int ret;
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size_t buf_len, olen = 0, olen2 = 0;
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memset( buf, 0, sizeof( buf ) );
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buf_len = unhexify( buf, buf_str );
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ret = pem_write_buffer( start, end, buf, buf_len, NULL, 0, &olen );
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TEST_ASSERT( ret == POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL );
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check_buf = (unsigned char *) polarssl_malloc( olen );
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TEST_ASSERT( check_buf != NULL );
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memset( check_buf, 0, olen );
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ret = pem_write_buffer( start, end, buf, buf_len, check_buf, olen, &olen2 );
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TEST_ASSERT( olen2 <= olen );
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TEST_ASSERT( olen > strlen( (char*) result_str ) );
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TEST_ASSERT( ret == 0 );
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TEST_ASSERT( strncmp( (char *) check_buf, (char *) result_str, olen ) == 0 );
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polarssl_free( check_buf );
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}
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/* END_CASE */
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