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HTTP: fix use-after-free. Fixes #15905
2014-02-01, Tomasz Wasilczyk
aa0328600eb6
HTTP: fix use-after-free. Fixes #15905
/**
* @file whiteboard.h The PurpleWhiteboard core object
*/
/* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#ifndef _PURPLE_WHITEBOARD_H_
#define _PURPLE_WHITEBOARD_H_
#define PURPLE_TYPE_WHITEBOARD (purple_whiteboard_get_type())
#define PURPLE_WHITEBOARD(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), PURPLE_TYPE_WHITEBOARD, PurpleWhiteboard))
#define PURPLE_WHITEBOARD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), PURPLE_TYPE_WHITEBOARD, PurpleWhiteboardClass))
#define PURPLE_IS_WHITEBOARD(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), PURPLE_TYPE_WHITEBOARD))
#define PURPLE_IS_WHITEBOARD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), PURPLE_TYPE_WHITEBOARD))
#define PURPLE_WHITEBOARD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), PURPLE_TYPE_WHITEBOARD, PurpleWhiteboardClass))
/** @copydoc _PurpleWhiteboard */
typedef
struct
_PurpleWhiteboard
PurpleWhiteboard
;
/** @copydoc _PurpleWhiteboardClass */
typedef
struct
_PurpleWhiteboardClass
PurpleWhiteboardClass
;
/**
* Whiteboard PRPL Operations
*/
typedef
struct
_PurpleWhiteboardPrplOps
PurpleWhiteboardPrplOps
;
#include
"account.h"
/**
* The PurpleWhiteboard UI Operations
*/
typedef
struct
_PurpleWhiteboardUiOps
{
void
(
*
create
)(
PurpleWhiteboard
*
wb
);
/**< create function */
void
(
*
destroy
)(
PurpleWhiteboard
*
wb
);
/**< destory function */
void
(
*
set_dimensions
)(
PurpleWhiteboard
*
wb
,
int
width
,
int
height
);
/**< set_dimensions function */
void
(
*
set_brush
)
(
PurpleWhiteboard
*
wb
,
int
size
,
int
color
);
/**< set the size and color of the brush */
void
(
*
draw_point
)(
PurpleWhiteboard
*
wb
,
int
x
,
int
y
,
int
color
,
int
size
);
/**< draw_point function */
void
(
*
draw_line
)(
PurpleWhiteboard
*
wb
,
int
x1
,
int
y1
,
int
x2
,
int
y2
,
int
color
,
int
size
);
/**< draw_line function */
void
(
*
clear
)(
PurpleWhiteboard
*
wb
);
/**< clear function */
/*< private >*/
void
(
*
_purple_reserved1
)(
void
);
void
(
*
_purple_reserved2
)(
void
);
void
(
*
_purple_reserved3
)(
void
);
void
(
*
_purple_reserved4
)(
void
);
}
PurpleWhiteboardUiOps
;
/**
* PurpleWhiteboard PRPL Operations
*/
struct
_PurpleWhiteboardPrplOps
{
void
(
*
start
)(
PurpleWhiteboard
*
wb
);
/**< start function */
void
(
*
end
)(
PurpleWhiteboard
*
wb
);
/**< end function */
void
(
*
get_dimensions
)(
const
PurpleWhiteboard
*
wb
,
int
*
width
,
int
*
height
);
/**< get_dimensions function */
void
(
*
set_dimensions
)(
PurpleWhiteboard
*
wb
,
int
width
,
int
height
);
/**< set_dimensions function */
void
(
*
get_brush
)
(
const
PurpleWhiteboard
*
wb
,
int
*
size
,
int
*
color
);
/**< get the brush size and color */
void
(
*
set_brush
)
(
PurpleWhiteboard
*
wb
,
int
size
,
int
color
);
/**< set the brush size and color */
void
(
*
send_draw_list
)(
PurpleWhiteboard
*
wb
,
GList
*
draw_list
);
/**< send_draw_list function */
void
(
*
clear
)(
PurpleWhiteboard
*
wb
);
/**< clear function */
/*< private >*/
void
(
*
_purple_reserved1
)(
void
);
void
(
*
_purple_reserved2
)(
void
);
void
(
*
_purple_reserved3
)(
void
);
void
(
*
_purple_reserved4
)(
void
);
};
/**
* A PurpleWhiteboard
*/
struct
_PurpleWhiteboard
{
GObject
gparent
;
/** The UI data associated with this whiteboard. This is a convenience
* field provided to the UIs -- it is not used by the libpurple core.
*/
gpointer
ui_data
;
};
/** Base class for all #PurpleWhiteboard's */
struct
_PurpleWhiteboardClass
{
GObjectClass
parent_class
;
/*< private >*/
void
(
*
_purple_reserved1
)(
void
);
void
(
*
_purple_reserved2
)(
void
);
void
(
*
_purple_reserved3
)(
void
);
void
(
*
_purple_reserved4
)(
void
);
};
G_BEGIN_DECLS
/******************************************************************************/
/** @name PurpleWhiteboard API */
/******************************************************************************/
/*@{*/
/**
* Returns the GType for the PurpleWhiteboard object.
*/
GType
purple_whiteboard_get_type
(
void
);
/**
* Sets the UI operations
*
* @param ops The UI operations to set
*/
void
purple_whiteboard_set_ui_ops
(
PurpleWhiteboardUiOps
*
ops
);
/**
* Sets the prpl operations for a whiteboard
*
* @param wb The whiteboard for which to set the prpl operations
* @param ops The prpl operations to set
*/
void
purple_whiteboard_set_prpl_ops
(
PurpleWhiteboard
*
wb
,
PurpleWhiteboardPrplOps
*
ops
);
/**
* Creates a new whiteboard
*
* @param account The account.
* @param who Who you're drawing with.
* @param state The state.
*
* @return The new whiteboard
*/
PurpleWhiteboard
*
purple_whiteboard_new
(
PurpleAccount
*
account
,
const
char
*
who
,
int
state
);
/**
* Returns the whiteboard's account.
*
* @param wb The whiteboard.
*
* @return The whiteboard's account.
*/
PurpleAccount
*
purple_whiteboard_get_account
(
const
PurpleWhiteboard
*
wb
);
/**
* Return who you're drawing with.
*
* @param wb The whiteboard
*
* @return Who you're drawing with.
*/
const
char
*
purple_whiteboard_get_who
(
const
PurpleWhiteboard
*
wb
);
/**
* Set the state of the whiteboard.
*
* @param wb The whiteboard.
* @param state The state
*/
void
purple_whiteboard_set_state
(
PurpleWhiteboard
*
wb
,
int
state
);
/**
* Return the state of the whiteboard.
*
* @param wb The whiteboard.
*
* @return The state of the whiteboard.
*/
int
purple_whiteboard_get_state
(
const
PurpleWhiteboard
*
wb
);
/**
* Starts a whiteboard
*
* @param wb The whiteboard.
*/
void
purple_whiteboard_start
(
PurpleWhiteboard
*
wb
);
/**
* Finds a whiteboard from an account and user.
*
* @param account The account.
* @param who The user.
*
* @return The whiteboard if found, otherwise @c NULL.
*/
PurpleWhiteboard
*
purple_whiteboard_get_session
(
const
PurpleAccount
*
account
,
const
char
*
who
);
/**
* Destorys a drawing list for a whiteboard
*
* @param draw_list The drawing list.
*/
void
purple_whiteboard_draw_list_destroy
(
GList
*
draw_list
);
/**
* Gets the dimension of a whiteboard.
*
* @param wb The whiteboard.
* @param width The width to be set.
* @param height The height to be set.
*
* @return TRUE if the values of width and height were set.
*/
gboolean
purple_whiteboard_get_dimensions
(
const
PurpleWhiteboard
*
wb
,
int
*
width
,
int
*
height
);
/**
* Sets the dimensions for a whiteboard.
*
* @param wb The whiteboard.
* @param width The width.
* @param height The height.
*/
void
purple_whiteboard_set_dimensions
(
PurpleWhiteboard
*
wb
,
int
width
,
int
height
);
/**
* Draws a point on a whiteboard.
*
* @param wb The whiteboard.
* @param x The x coordinate.
* @param y The y coordinate.
* @param color The color to use.
* @param size The brush size.
*/
void
purple_whiteboard_draw_point
(
PurpleWhiteboard
*
wb
,
int
x
,
int
y
,
int
color
,
int
size
);
/**
* Send a list of points to draw to the buddy.
*
* @param wb The whiteboard
* @param list A GList of points
*/
void
purple_whiteboard_send_draw_list
(
PurpleWhiteboard
*
wb
,
GList
*
list
);
/**
* Draws a line on a whiteboard
*
* @param wb The whiteboard.
* @param x1 The top-left x coordinate.
* @param y1 The top-left y coordinate.
* @param x2 The bottom-right x coordinate.
* @param y2 The bottom-right y coordinate.
* @param color The color to use.
* @param size The brush size.
*/
void
purple_whiteboard_draw_line
(
PurpleWhiteboard
*
wb
,
int
x1
,
int
y1
,
int
x2
,
int
y2
,
int
color
,
int
size
);
/**
* Clears a whiteboard
*
* @param wb The whiteboard.
*/
void
purple_whiteboard_clear
(
PurpleWhiteboard
*
wb
);
/**
* Sends a request to the buddy to clear the whiteboard.
*
* @param wb The whiteboard
*/
void
purple_whiteboard_send_clear
(
PurpleWhiteboard
*
wb
);
/**
* Sends a request to change the size and color of the brush.
*
* @param wb The whiteboard
* @param size The size of the brush
* @param color The color of the brush
*/
void
purple_whiteboard_send_brush
(
PurpleWhiteboard
*
wb
,
int
size
,
int
color
);
/**
* Gets the size and color of the brush.
*
* @param wb The whiteboard
* @param size The size of the brush
* @param color The color of the brush
*
* @return TRUE if the size and color were set.
*/
gboolean
purple_whiteboard_get_brush
(
const
PurpleWhiteboard
*
wb
,
int
*
size
,
int
*
color
);
/**
* Sets the size and color of the brush.
*
* @param wb The whiteboard
* @param size The size of the brush
* @param color The color of the brush
*/
void
purple_whiteboard_set_brush
(
PurpleWhiteboard
*
wb
,
int
size
,
int
color
);
/**
* Return the drawing list.
*
* @param wb The whiteboard.
*
* @return The drawing list
*/
GList
*
purple_whiteboard_get_draw_list
(
const
PurpleWhiteboard
*
wb
);
/**
* Set the drawing list.
*
* @param wb The whiteboard
* @param draw_list The drawing list.
*/
void
purple_whiteboard_set_draw_list
(
PurpleWhiteboard
*
wb
,
GList
*
draw_list
);
/**
* Sets the protocol data for a whiteboard.
*
* @param wb The whiteboard.
* @param proto_data The protocol data to set for the whiteboard.
*/
void
purple_whiteboard_set_protocol_data
(
PurpleWhiteboard
*
wb
,
gpointer
proto_data
);
/**
* Gets the protocol data for a whiteboard.
*
* @param wb The whiteboard.
*
* @return The protocol data for the whiteboard.
*/
gpointer
purple_whiteboard_get_protocol_data
(
const
PurpleWhiteboard
*
wb
);
/**
* Set the UI data associated with this whiteboard.
*
* @param wb The whiteboard.
* @param ui_data A pointer to associate with this whiteboard.
*/
void
purple_whiteboard_set_ui_data
(
PurpleWhiteboard
*
wb
,
gpointer
ui_data
);
/**
* Get the UI data associated with this whiteboard.
*
* @param wb The whiteboard..
*
* @return The UI data associated with this whiteboard. This is a
* convenience field provided to the UIs--it is not
* used by the libpurple core.
*/
gpointer
purple_whiteboard_get_ui_data
(
const
PurpleWhiteboard
*
wb
);
/*@}*/
G_END_DECLS
#endif
/* _PURPLE_WHITEBOARD_H_ */