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Added return value checking for correctness in programs

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This commit is contained in:
Paul Bakker 2014-04-17 16:00:59 +02:00
parent 676093e253
commit 993f02cda0
3 changed files with 44 additions and 10 deletions
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39
programs/aes/crypt_and_hash.c
View file

@ -168,7 +168,11 @@ int main( int argc, char *argv[] )
fprintf( stderr, "Cipher '%s' not found\n", argv[4] );
goto exit;
}
cipher_init_ctx( &cipher_ctx, cipher_info);
if( ( ret = cipher_init_ctx( &cipher_ctx, cipher_info) ) != 0 )
{
fprintf( stderr, "cipher_init_ctx failed\n" );
goto exit;
}
md_info = md_info_from_string( argv[5] );
if( md_info == NULL )
@ -325,11 +329,16 @@ int main( int argc, char *argv[] )
if( fread( buffer, 1, ilen, fin ) != ilen )
{
fprintf( stderr, "fread(%ld bytes) failed\n", (long) n );
fprintf( stderr, "fread(%ld bytes) failed\n", (long) ilen );
goto exit;
}
if( cipher_update( &cipher_ctx, buffer, ilen, output, &olen ) != 0 )
{
fprintf( stderr, "cipher_update() returned error\n");
goto exit;
}
cipher_update( &cipher_ctx, buffer, ilen, output, &olen );
md_hmac_update( &md_ctx, output, olen );
if( fwrite( output, 1, olen, fout ) != olen )
@ -423,9 +432,18 @@ int main( int argc, char *argv[] )
memset( key, 0, sizeof( key ) );
cipher_setkey( &cipher_ctx, digest, cipher_info->key_length,
POLARSSL_DECRYPT );
cipher_reset( &cipher_ctx, IV);
if( cipher_setkey( &cipher_ctx, digest, cipher_info->key_length,
POLARSSL_DECRYPT ) != 0 )
{
fprintf( stderr, "cipher_setkey() returned error\n" );
goto exit;
}
if( cipher_reset( &cipher_ctx, IV ) != 0 )
{
fprintf( stderr, "cipher_reset() returned error\n" );
goto exit;
}
md_hmac_starts( &md_ctx, digest, 32 );
@ -443,8 +461,13 @@ int main( int argc, char *argv[] )
}
md_hmac_update( &md_ctx, buffer, cipher_get_block_size( &cipher_ctx ) );
cipher_update( &cipher_ctx, buffer, cipher_get_block_size( &cipher_ctx ),
output, &olen );
if( cipher_update( &cipher_ctx, buffer,
cipher_get_block_size( &cipher_ctx ),
output, &olen ) != 0 )
{
fprintf( stderr, "cipher_update() returned error\n" );
goto exit;
}
if( fwrite( output, 1, olen, fout ) != olen )
{

7
programs/pkey/dh_genprime.c
View file

@ -69,7 +69,12 @@ int main( int argc, char *argv[] )
((void) argv);
mpi_init( &G ); mpi_init( &P ); mpi_init( &Q );
mpi_read_string( &G, 10, GENERATOR );
if( ( ret = mpi_read_string( &G, 10, GENERATOR ) ) != 0 )
{
printf( " failed\n ! mpi_read_string returned %d\n", ret );
goto exit;
}
printf( "\nWARNING: You should not generate and use your own DHM primes\n" );
printf( " unless you are very certain of what you are doing!\n" );

8
programs/test/ssl_test.c
View file

@ -278,7 +278,13 @@ static int ssl_test( struct options *opt )
else ssl_set_ciphersuites( &ssl, opt->force_ciphersuite );
if( opt->iomode == IOMODE_NONBLOCK )
net_set_nonblock( client_fd );
{
if( ( ret = net_set_nonblock( client_fd ) ) != 0 )
{
printf( " ! net_set_nonblock returned %d\n\n", ret );
return( ret );
}
}
read_buf = (unsigned char *) malloc( opt->buffer_size );
write_buf = (unsigned char *) malloc( opt->buffer_size );