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Commit a781fc4b authored by Laurent Aimar's avatar Laurent Aimar
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Check all malloc/calloc return value in libasf.c

parent 3c230b2a
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Showing with 53 additions and 33 deletions
modules/demux/asf/libasf.c
View file @ a781fc4b
......@@ -243,7 +243,7 @@ static int ASF_ReadObject_Header( stream_t *s, asf_object_t *p_obj )
{
p_subobj = malloc( sizeof( asf_object_t ) );
if( ASF_ReadObject( s, p_subobj, (asf_object_t*)p_hdr ) )
if( !p_subobj || ASF_ReadObject( s, p_subobj, (asf_object_t*)p_hdr ) )
{
free( p_subobj );
break;
......@@ -313,6 +313,8 @@ static int ASF_ReadObject_Index( stream_t *s, asf_object_t *p_obj )
p_index->index_entry = calloc( p_index->i_index_entry_count,
sizeof(asf_index_entry_t) );
if( !p_index->index_entry )
return VLC_ENOMEM;
for( i = 0, p_peek += 56; i < (int)p_index->i_index_entry_count;
i++, p_peek += 6 )
......@@ -404,6 +406,8 @@ static int ASF_ReadObject_metadata( stream_t *s, asf_object_t *p_obj )
p_meta->record = calloc( p_meta->i_record_entries_count,
sizeof(asf_metadata_record_t) );
if( !p_meta->record )
return VLC_ENOMEM;
for( i = 0; i < p_meta->i_record_entries_count; i++ )
{
......@@ -438,7 +442,7 @@ static int ASF_ReadObject_metadata( stream_t *s, asf_object_t *p_obj )
{
p_record->p_data = malloc( i_data );
p_record->i_data = i_data;
if( i_data > 0 )
if( p_record->p_data && i_data > 0 )
memcpy( p_record->p_data, p_data, i_data );
p_data += i_data;
......@@ -537,7 +541,7 @@ static int ASF_ReadObject_header_extension( stream_t *s, asf_object_t *p_obj )
{
asf_object_t *p_obj = malloc( sizeof( asf_object_t ) );
if( ASF_ReadObject( s, p_obj, (asf_object_t*)p_he ) )
if( !p_obj || ASF_ReadObject( s, p_obj, (asf_object_t*)p_he ) )
{
free( p_obj );
break;
......@@ -585,17 +589,13 @@ static int ASF_ReadObject_stream_properties( stream_t *s, asf_object_t *p_obj )
p_sp->p_type_specific_data =
malloc( p_sp->i_type_specific_data_length );
if( p_sp->p_type_specific_data == NULL )
if( !p_sp->p_type_specific_data )
return VLC_ENOMEM;
memcpy( p_sp->p_type_specific_data, p_peek + 78,
p_sp->i_type_specific_data_length );
i_peek -= p_sp->i_type_specific_data_length;
}
else
{
p_sp->p_type_specific_data = NULL;
}
if( p_sp->i_error_correction_data_length )
{
......@@ -607,7 +607,7 @@ static int ASF_ReadObject_stream_properties( stream_t *s, asf_object_t *p_obj )
p_sp->p_error_correction_data =
malloc( p_sp->i_error_correction_data_length );
if( p_sp->p_error_correction_data == NULL )
if( !p_sp->p_error_correction_data )
{
free( p_sp->p_type_specific_data );
return VLC_ENOMEM;
......@@ -616,10 +616,6 @@ static int ASF_ReadObject_stream_properties( stream_t *s, asf_object_t *p_obj )
p_peek + 78 + p_sp->i_type_specific_data_length,
p_sp->i_error_correction_data_length );
}
else
{
p_sp->p_error_correction_data = NULL;
}
#ifdef ASF_DEBUG
msg_Dbg( s,
......@@ -695,13 +691,12 @@ static int ASF_ReadObject_codec_list( stream_t *s, asf_object_t *p_obj )
if( p_codec->i_information_length > 0 && ASF_HAVE( p_codec->i_information_length ) )
{
p_codec->p_information = malloc( p_codec->i_information_length );
memcpy( p_codec->p_information, p_data, p_codec->i_information_length );
if( p_codec->p_information )
memcpy( p_codec->p_information, p_data, p_codec->i_information_length );
else
p_codec->i_information_length = 0;
p_data += p_codec->i_information_length;
}
else
{
p_codec->p_information = NULL;
}
}
p_cl->i_codec_entries_count = i_codec;
}
......@@ -767,14 +762,16 @@ static int ASF_ReadObject_content_description(stream_t *s, asf_object_t *p_obj)
}
/* FIXME i_size*3 is the worst case. */
#define GETSTRINGW( psz_str, i_size ) \
psz_str = (char *)calloc( i_size*3+1, sizeof( char ) ); \
ib = (const char *)p_data; \
ob = psz_str; \
i_ibl = i_size; \
i_obl = i_size*3; \
i_len = vlc_iconv(cd, &ib, &i_ibl, &ob, &i_obl); \
p_data += i_size;
#define GETSTRINGW( psz_str, i_size ) do { \
psz_str = calloc( i_size*3+1, sizeof(char) ); \
if( psz_str ) { \
ib = (const char *)p_data; \
ob = psz_str; \
i_ibl = i_size; \
i_obl = i_size*3; \
i_len = vlc_iconv(cd, &ib, &i_ibl, &ob, &i_obl); \
p_data += i_size; \
} } while(0)
p_data = p_peek + 24;
......@@ -840,6 +837,8 @@ static int ASF_ReadObject_language_list(stream_t *s, asf_object_t *p_obj)
if( p_ll->i_language > 0 )
{
p_ll->ppsz_language = calloc( p_ll->i_language, sizeof( char *) );
if( !p_ll->ppsz_language )
return VLC_ENOMEM;
for( i = 0; i < p_ll->i_language; i++ )
{
......@@ -946,6 +945,13 @@ static int ASF_ReadObject_extended_stream_properties( stream_t *s,
sizeof(int) );
p_esp->ppsz_stream_name = calloc( p_esp->i_stream_name_count,
sizeof(char*) );
if( !p_esp->pi_stream_name_language ||
!p_esp->ppsz_stream_name )
{
free( p_esp->pi_stream_name_language );
free( p_esp->ppsz_stream_name );
return VLC_ENOMEM;
}
for( i = 0; i < p_esp->i_stream_name_count; i++ )
{
if( !ASF_HAVE( 2+2 ) )
......@@ -971,7 +977,7 @@ static int ASF_ReadObject_extended_stream_properties( stream_t *s,
p_sp = malloc( sizeof( asf_object_t ) );
if( ASF_ReadObject( s, p_sp, NULL ) )
if( !p_sp || ASF_ReadObject( s, p_sp, NULL ) )
{
free( p_sp );
}
......@@ -1082,6 +1088,13 @@ static int ASF_ReadObject_stream_prioritization( stream_t *s,
p_sp->pi_priority_stream_number =
calloc( p_sp->i_priority_count, sizeof(int) );
if( !p_sp->pi_priority_flag || !p_sp->pi_priority_stream_number )
{
free( p_sp->pi_priority_flag );
free( p_sp->pi_priority_stream_number );
return VLC_ENOMEM;
}
for( i = 0; i < p_sp->i_priority_count; i++ )
{
if( !ASF_HAVE(2+2) )
......@@ -1157,13 +1170,17 @@ static int ASF_ReadObject_extended_content_description( stream_t *s,
int j;
p_ec->ppsz_value[i] = malloc( 2*i_size + 1 );
for( j = 0; j < i_size; j++ )
if( p_ec->ppsz_value[i] )
{
const uint8_t v = ASF_READ1();
p_ec->ppsz_value[i][2*j+0] = hex[v>>4];
p_ec->ppsz_value[i][2*j+1] = hex[v&0xf];
char *psz_value = p_ec->ppsz_value[i];
for( j = 0; j < i_size; j++ )
{
const uint8_t v = ASF_READ1();
psz_value[2*j+0] = hex[v>>4];
psz_value[2*j+1] = hex[v&0xf];
}
psz_value[2*i_size] = '\0';
}
p_ec->ppsz_value[i][2*i_size] = '\0';
}
else if( i_type == 2 )
{
......@@ -1496,6 +1513,9 @@ asf_object_root_t *ASF_ReadObjectRoot( stream_t *s, int b_seekable )
asf_object_root_t *p_root = malloc( sizeof( asf_object_root_t ) );
asf_object_t *p_obj;
if( !p_root )
return NULL;
p_root->i_type = ASF_OBJECT_ROOT;
memcpy( &p_root->i_object_id, &asf_object_null_guid, sizeof( guid_t ) );
p_root->i_object_pos = stream_Tell( s );
......@@ -1513,7 +1533,7 @@ asf_object_root_t *ASF_ReadObjectRoot( stream_t *s, int b_seekable )
{
p_obj = malloc( sizeof( asf_object_t ) );
if( ASF_ReadObject( s, p_obj, (asf_object_t*)p_root ) )
if( !p_obj || ASF_ReadObject( s, p_obj, (asf_object_t*)p_root ) )
{
free( p_obj );
break;
......
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