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msidb: Add support for removing stream/cabinet files from MSI databases. 

msidb allows developers to remove "streams" (cabinet files) from a
database with the "-k" mode flag followed by the filename for the
stream in the database, example:
msidb -d package.msi -k cabinet.cab

Signed-off-by: Erich E. Hoover <erich.e.hoover@gmail.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Erich E. Hoover 2019-03-15 10:04:00 +01:00 committed by Alexandre Julliard
parent f1d8218169
commit 0cf6cd00ce
1 changed files with 76 additions and 6 deletions
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82
programs/msidb/main.c
View File

@ -43,9 +43,11 @@ struct msidb_state
WCHAR *table_folder;
MSIHANDLE database_handle;
BOOL add_streams;
BOOL kill_streams;
BOOL create_database;
BOOL import_tables;
struct list add_stream_list;
struct list kill_stream_list;
struct list table_list;
};
@ -85,6 +87,7 @@ static void show_usage( void )
" -d package.msi Path to the database file.\n"
" -f folder Folder in which to open/save the tables.\n"
" -i Import tables into database.\n"
" -k file.cab Kill (remove) stream/cabinet file from _Streams table.\n"
);
}
@ -95,19 +98,20 @@ static int valid_state( struct msidb_state *state )
FIXME( "GUI operation is not currently supported.\n" );
return 0;
}
if (state->table_folder == NULL && !state->add_streams)
if (state->table_folder == NULL && !state->add_streams && !state->kill_streams)
{
ERR( "No table folder specified (-f option).\n" );
show_usage();
return 0;
}
if (!state->create_database && !state->import_tables && !state->add_streams)
if (!state->create_database && !state->import_tables && !state->add_streams
&& !state->kill_streams)
{
ERR( "No mode flag specified (-a, -c, -i).\n" );
ERR( "No mode flag specified (-a, -c, -i, -k).\n" );
show_usage();
return 0;
}
if (list_empty( &state->table_list ) && !state->add_streams)
if (list_empty( &state->table_list ) && !state->add_streams && !state->kill_streams)
{
ERR( "No tables specified.\n" );
return 0;
@ -144,6 +148,11 @@ static int process_argument( struct msidb_state *state, int i, int argc, WCHAR *
case 'i':
state->import_tables = TRUE;
return 1;
case 'k':
if (i + 1 >= argc) return 0;
state->kill_streams = TRUE;
list_append( &state->kill_stream_list, argv[i + 1] );
return 2;
default:
break;
}
@ -199,11 +208,13 @@ static const WCHAR *basenameW( const WCHAR *filename )
static int add_stream( struct msidb_state *state, const WCHAR *stream_filename )
{
static const char insert_command[] = "INSERT INTO _Streams (Name, Data) VALUES (?, ?)";
static const WCHAR insert_command[] =
{'I','N','S','E','R','T',' ','I','N','T','O',' ','_','S','t','r','e','a','m','s',' ',
'(','N','a','m','e',',',' ','D','a','t','a',')',' ','V','A','L','U','E','S',' ','(','?',',',' ','?',')',0};
MSIHANDLE view = 0, record = 0;
UINT ret;
ret = MsiDatabaseOpenViewA( state->database_handle, insert_command, &view );
ret = MsiDatabaseOpenViewW( state->database_handle, insert_command, &view );
if (ret != ERROR_SUCCESS)
{
ERR( "Failed to open _Streams table.\n" );
@ -256,6 +267,61 @@ static int add_streams( struct msidb_state *state )
return 1;
}
static int kill_stream( struct msidb_state *state, const WCHAR *stream_filename )
{
static const WCHAR delete_command[] =
{'D','E','L','E','T','E',' ','F','R','O','M',' ','_','S','t','r','e','a','m','s',' ',
'W','H','E','R','E',' ','N','a','m','e',' ','=',' ','?',0};
MSIHANDLE view = 0, record = 0;
UINT ret;
ret = MsiDatabaseOpenViewW( state->database_handle, delete_command, &view );
if (ret != ERROR_SUCCESS)
{
ERR( "Failed to open _Streams table.\n" );
goto cleanup;
}
record = MsiCreateRecord( 1 );
if (record == 0)
{
ERR( "Failed to create MSI record.\n" );
ret = ERROR_OUTOFMEMORY;
goto cleanup;
}
ret = MsiRecordSetStringW( record, 1, stream_filename );
if (ret != ERROR_SUCCESS)
{
ERR( "Failed to add stream filename to MSI record.\n" );
goto cleanup;
}
ret = MsiViewExecute( view, record );
if (ret != ERROR_SUCCESS)
{
ERR( "Failed to delete stream from _Streams table.\n" );
goto cleanup;
}
cleanup:
if (record)
MsiCloseHandle( record );
if (view)
MsiViewClose( view );
return (ret == ERROR_SUCCESS);
}
static int kill_streams( struct msidb_state *state )
{
struct msidb_listentry *data;
LIST_FOR_EACH_ENTRY( data, &state->kill_stream_list, struct msidb_listentry, entry )
{
if (!kill_stream( state, data->name ))
return 0; /* failed, do not commit changes */
}
return 1;
}
static int import_table( struct msidb_state *state, const WCHAR *table_name )
{
const WCHAR format[] = { '%','.','8','s','.','i','d','t',0 }; /* truncate to 8 characters */
@ -292,6 +358,7 @@ int wmain( int argc, WCHAR *argv[] )
memset( &state, 0x0, sizeof(state) );
list_init( &state.add_stream_list );
list_init( &state.kill_stream_list );
list_init( &state.table_list );
/* process and validate all the command line flags */
for (i = 1; n && i < argc; i += n)
@ -312,11 +379,14 @@ int wmain( int argc, WCHAR *argv[] )
goto cleanup; /* failed, do not commit changes */
if (state.import_tables && !import_tables( &state ))
goto cleanup; /* failed, do not commit changes */
if (state.kill_streams && !kill_streams( &state ))
goto cleanup; /* failed, do not commit changes */
ret = 0;
cleanup:
close_database( &state, ret == 0 );
list_free( &state.add_stream_list );
list_free( &state.kill_stream_list );
list_free( &state.table_list );
return ret;
}