pidgin/ljfisher-ssl-client-auth
Clone
Summary
Browse
Changes
Graph
Changed a strcpy in the mxit prpl to a bounds-checked g_strlcpy.
2011-07-17, Ethan Blanton
e1b3f14fba94
Changed a strcpy in the mxit prpl to a bounds-checked g_strlcpy.
Thanks to the Electronic Frontier Foundation (https://www.eff.org/) for
this patch.
/*
* 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
*/
#define _PURPLE_PLUGIN_C_
#include
"internal.h"
#include
"accountopt.h"
#include
"core.h"
#include
"dbus-maybe.h"
#include
"debug.h"
#include
"notify.h"
#include
"prefs.h"
#include
"prpl.h"
#include
"request.h"
#include
"signals.h"
#include
"util.h"
#include
"valgrind.h"
#include
"version.h"
typedef
struct
{
GHashTable
*
commands
;
size_t
command_count
;
}
PurplePluginIpcInfo
;
typedef
struct
{
PurpleCallback
func
;
PurpleSignalMarshalFunc
marshal
;
int
num_params
;
PurpleValue
**
params
;
PurpleValue
*
ret_value
;
}
PurplePluginIpcCommand
;
static
GList
*
search_paths
=
NULL
;
static
GList
*
plugins
=
NULL
;
static
GList
*
loaded_plugins
=
NULL
;
static
GList
*
protocol_plugins
=
NULL
;
#ifdef PURPLE_PLUGINS
static
GList
*
load_queue
=
NULL
;
static
GList
*
plugin_loaders
=
NULL
;
static
GList
*
plugins_to_disable
=
NULL
;
#endif
static
void
(
*
probe_cb
)(
void
*
)
=
NULL
;
static
void
*
probe_cb_data
=
NULL
;
static
void
(
*
load_cb
)(
PurplePlugin
*
,
void
*
)
=
NULL
;
static
void
*
load_cb_data
=
NULL
;
static
void
(
*
unload_cb
)(
PurplePlugin
*
,
void
*
)
=
NULL
;
static
void
*
unload_cb_data
=
NULL
;
#ifdef PURPLE_PLUGINS
static
gboolean
has_file_extension
(
const
char
*
filename
,
const
char
*
ext
)
{
int
len
,
extlen
;
if
(
filename
==
NULL
||
*
filename
==
'\0'
||
ext
==
NULL
)
return
0
;
extlen
=
strlen
(
ext
);
len
=
strlen
(
filename
)
-
extlen
;
if
(
len
<
0
)
return
0
;
return
(
strncmp
(
filename
+
len
,
ext
,
extlen
)
==
0
);
}
static
gboolean
is_native
(
const
char
*
filename
)
{
const
char
*
last_period
;
last_period
=
strrchr
(
filename
,
'.'
);
if
(
last_period
==
NULL
)
return
FALSE
;
return
!
(
strcmp
(
last_period
,
".dll"
)
&
strcmp
(
last_period
,
".sl"
)
&
strcmp
(
last_period
,
".so"
));
}
static
char
*
purple_plugin_get_basename
(
const
char
*
filename
)
{
const
char
*
basename
;
const
char
*
last_period
;
basename
=
strrchr
(
filename
,
G_DIR_SEPARATOR
);
if
(
basename
!=
NULL
)
basename
++
;
else
basename
=
filename
;
if
(
is_native
(
basename
)
&&
((
last_period
=
strrchr
(
basename
,
'.'
))
!=
NULL
))
return
g_strndup
(
basename
,
(
last_period
-
basename
));
return
g_strdup
(
basename
);
}
static
gboolean
loader_supports_file
(
PurplePlugin
*
loader
,
const
char
*
filename
)
{
GList
*
exts
;
for
(
exts
=
PURPLE_PLUGIN_LOADER_INFO
(
loader
)
->
exts
;
exts
!=
NULL
;
exts
=
exts
->
next
)
{
if
(
has_file_extension
(
filename
,
(
char
*
)
exts
->
data
))
{
return
TRUE
;
}
}
return
FALSE
;
}
static
PurplePlugin
*
find_loader_for_plugin
(
const
PurplePlugin
*
plugin
)
{
PurplePlugin
*
loader
;
GList
*
l
;
if
(
plugin
->
path
==
NULL
)
return
NULL
;
for
(
l
=
purple_plugins_get_loaded
();
l
!=
NULL
;
l
=
l
->
next
)
{
loader
=
l
->
data
;
if
(
loader
->
info
->
type
==
PURPLE_PLUGIN_LOADER
&&
loader_supports_file
(
loader
,
plugin
->
path
))
{
return
loader
;
}
loader
=
NULL
;
}
return
NULL
;
}
#endif
/* PURPLE_PLUGINS */
/**
* Negative if a before b, 0 if equal, positive if a after b.
*/
static
gint
compare_prpl
(
PurplePlugin
*
a
,
PurplePlugin
*
b
)
{
if
(
PURPLE_IS_PROTOCOL_PLUGIN
(
a
))
{
if
(
PURPLE_IS_PROTOCOL_PLUGIN
(
b
))
return
strcmp
(
a
->
info
->
name
,
b
->
info
->
name
);
else
return
-1
;
}
else
{
if
(
PURPLE_IS_PROTOCOL_PLUGIN
(
b
))
return
1
;
else
return
0
;
}
}
PurplePlugin
*
purple_plugin_new
(
gboolean
native
,
const
char
*
path
)
{
PurplePlugin
*
plugin
;
plugin
=
g_new0
(
PurplePlugin
,
1
);
plugin
->
native_plugin
=
native
;
plugin
->
path
=
g_strdup
(
path
);
PURPLE_DBUS_REGISTER_POINTER
(
plugin
,
PurplePlugin
);
return
plugin
;
}
PurplePlugin
*
purple_plugin_probe
(
const
char
*
filename
)
{
#ifdef PURPLE_PLUGINS
PurplePlugin
*
plugin
=
NULL
;
PurplePlugin
*
loader
;
gpointer
unpunned
;
gchar
*
basename
=
NULL
;
gboolean
(
*
purple_init_plugin
)(
PurplePlugin
*
);
purple_debug_misc
(
"plugins"
,
"probing %s
\n
"
,
filename
);
g_return_val_if_fail
(
filename
!=
NULL
,
NULL
);
if
(
!
g_file_test
(
filename
,
G_FILE_TEST_EXISTS
))
return
NULL
;
/* If this plugin has already been probed then exit */
basename
=
purple_plugin_get_basename
(
filename
);
plugin
=
purple_plugins_find_with_basename
(
basename
);
g_free
(
basename
);
if
(
plugin
!=
NULL
)
{
if
(
purple_strequal
(
filename
,
plugin
->
path
))
return
plugin
;
else
if
(
!
purple_plugin_is_unloadable
(
plugin
))
{
purple_debug_warning
(
"plugins"
,
"Not loading %s. "
"Another plugin with the same name (%s) has already been loaded.
\n
"
,
filename
,
plugin
->
path
);
return
plugin
;
}
else
{
/* The old plugin was a different file and it was unloadable.
* There's no guarantee that this new file with the same name
* will be loadable, but unless it fails in one of the silent
* ways and the first one didn't, it's not any worse. The user
* will still see a greyed-out plugin, which is what we want. */
purple_plugin_destroy
(
plugin
);
}
}
plugin
=
purple_plugin_new
(
has_file_extension
(
filename
,
G_MODULE_SUFFIX
),
filename
);
if
(
plugin
->
native_plugin
)
{
const
char
*
error
;
#ifdef _WIN32
/* Suppress error popups for failing to load plugins */
UINT
old_error_mode
=
SetErrorMode
(
SEM_FAILCRITICALERRORS
);
#endif
/*
* We pass G_MODULE_BIND_LOCAL here to prevent symbols from
* plugins being added to the global name space.
*
* G_MODULE_BIND_LOCAL was added in glib 2.3.3.
*/
plugin
->
handle
=
g_module_open
(
filename
,
G_MODULE_BIND_LOCAL
);
if
(
plugin
->
handle
==
NULL
)
{
const
char
*
error
=
g_module_error
();
if
(
error
!=
NULL
&&
purple_str_has_prefix
(
error
,
filename
))
{
error
=
error
+
strlen
(
filename
);
/* These are just so we don't crash. If we
* got this far, they should always be true. */
if
(
*
error
==
':'
)
error
++
;
if
(
*
error
==
' '
)
error
++
;
}
if
(
error
==
NULL
||
!*
error
)
{
plugin
->
error
=
g_strdup
(
_
(
"Unknown error"
));
purple_debug_error
(
"plugins"
,
"%s is not loadable: Unknown error
\n
"
,
plugin
->
path
);
}
else
{
plugin
->
error
=
g_strdup
(
error
);
purple_debug_error
(
"plugins"
,
"%s is not loadable: %s
\n
"
,
plugin
->
path
,
plugin
->
error
);
}
plugin
->
handle
=
g_module_open
(
filename
,
G_MODULE_BIND_LAZY
|
G_MODULE_BIND_LOCAL
);
if
(
plugin
->
handle
==
NULL
)
{
#ifdef _WIN32
/* Restore the original error mode */
SetErrorMode
(
old_error_mode
);
#endif
purple_plugin_destroy
(
plugin
);
return
NULL
;
}
else
{
/* We were able to load the plugin with lazy symbol binding.
* This means we're missing some symbol. Mark it as
* unloadable and keep going so we get the info to display
* to the user so they know to rebuild this plugin. */
plugin
->
unloadable
=
TRUE
;
}
}
if
(
!
g_module_symbol
(
plugin
->
handle
,
"purple_init_plugin"
,
&
unpunned
))
{
purple_debug_error
(
"plugins"
,
"%s is not usable because the "
"'purple_init_plugin' symbol could not be "
"found. Does the plugin call the "
"PURPLE_INIT_PLUGIN() macro?
\n
"
,
plugin
->
path
);
g_module_close
(
plugin
->
handle
);
error
=
g_module_error
();
if
(
error
!=
NULL
)
purple_debug_error
(
"plugins"
,
"Error closing module %s: %s
\n
"
,
plugin
->
path
,
error
);
plugin
->
handle
=
NULL
;
#ifdef _WIN32
/* Restore the original error mode */
SetErrorMode
(
old_error_mode
);
#endif
purple_plugin_destroy
(
plugin
);
return
NULL
;
}
purple_init_plugin
=
unpunned
;
#ifdef _WIN32
/* Restore the original error mode */
SetErrorMode
(
old_error_mode
);
#endif
}
else
{
loader
=
find_loader_for_plugin
(
plugin
);
if
(
loader
==
NULL
)
{
purple_plugin_destroy
(
plugin
);
return
NULL
;
}
purple_init_plugin
=
PURPLE_PLUGIN_LOADER_INFO
(
loader
)
->
probe
;
}
if
(
!
purple_init_plugin
(
plugin
)
||
plugin
->
info
==
NULL
)
{
purple_plugin_destroy
(
plugin
);
return
NULL
;
}
else
if
(
plugin
->
info
->
ui_requirement
&&
!
purple_strequal
(
plugin
->
info
->
ui_requirement
,
purple_core_get_ui
()))
{
plugin
->
error
=
g_strdup_printf
(
_
(
"You are using %s, but this plugin requires %s."
),
purple_core_get_ui
(),
plugin
->
info
->
ui_requirement
);
purple_debug_error
(
"plugins"
,
"%s is not loadable: The UI requirement is not met. (%s)
\n
"
,
plugin
->
path
,
plugin
->
error
);
plugin
->
unloadable
=
TRUE
;
return
plugin
;
}
/*
* Check to make sure a plugin has defined an id.
* Not having this check caused purple_plugin_unload to
* enter an infinite loop in certain situations by passing
* purple_find_plugin_by_id a NULL value. -- ecoffey
*/
if
(
plugin
->
info
->
id
==
NULL
||
*
plugin
->
info
->
id
==
'\0'
)
{
plugin
->
error
=
g_strdup
(
_
(
"This plugin has not defined an ID."
));
purple_debug_error
(
"plugins"
,
"%s is not loadable: info->id is not defined.
\n
"
,
plugin
->
path
);
plugin
->
unloadable
=
TRUE
;
return
plugin
;
}
/* Really old plugins. */
if
(
plugin
->
info
->
magic
!=
PURPLE_PLUGIN_MAGIC
)
{
if
(
plugin
->
info
->
magic
>=
2
&&
plugin
->
info
->
magic
<=
4
)
{
struct
_PurplePluginInfo2
{
unsigned
int
api_version
;
PurplePluginType
type
;
char
*
ui_requirement
;
unsigned
long
flags
;
GList
*
dependencies
;
PurplePluginPriority
priority
;
char
*
id
;
char
*
name
;
char
*
version
;
char
*
summary
;
char
*
description
;
char
*
author
;
char
*
homepage
;
gboolean
(
*
load
)(
PurplePlugin
*
plugin
);
gboolean
(
*
unload
)(
PurplePlugin
*
plugin
);
void
(
*
destroy
)(
PurplePlugin
*
plugin
);
void
*
ui_info
;
void
*
extra_info
;
PurplePluginUiInfo
*
prefs_info
;
GList
*
(
*
actions
)(
PurplePlugin
*
plugin
,
gpointer
context
);
}
*
info2
=
(
struct
_PurplePluginInfo2
*
)
plugin
->
info
;
/* This leaks... but only for ancient plugins, so deal with it. */
plugin
->
info
=
g_new0
(
PurplePluginInfo
,
1
);
/* We don't really need all these to display the plugin info, but
* I'm copying them all for good measure. */
plugin
->
info
->
magic
=
info2
->
api_version
;
plugin
->
info
->
type
=
info2
->
type
;
plugin
->
info
->
ui_requirement
=
info2
->
ui_requirement
;
plugin
->
info
->
flags
=
info2
->
flags
;
plugin
->
info
->
dependencies
=
info2
->
dependencies
;
plugin
->
info
->
id
=
info2
->
id
;
plugin
->
info
->
name
=
info2
->
name
;
plugin
->
info
->
version
=
info2
->
version
;
plugin
->
info
->
summary
=
info2
->
summary
;
plugin
->
info
->
description
=
info2
->
description
;
plugin
->
info
->
author
=
info2
->
author
;
plugin
->
info
->
homepage
=
info2
->
homepage
;
plugin
->
info
->
load
=
info2
->
load
;
plugin
->
info
->
unload
=
info2
->
unload
;
plugin
->
info
->
destroy
=
info2
->
destroy
;
plugin
->
info
->
ui_info
=
info2
->
ui_info
;
plugin
->
info
->
extra_info
=
info2
->
extra_info
;
if
(
info2
->
api_version
>=
3
)
plugin
->
info
->
prefs_info
=
info2
->
prefs_info
;
if
(
info2
->
api_version
>=
4
)
plugin
->
info
->
actions
=
info2
->
actions
;
plugin
->
error
=
g_strdup_printf
(
_
(
"Plugin magic mismatch %d (need %d)"
),
plugin
->
info
->
magic
,
PURPLE_PLUGIN_MAGIC
);
purple_debug_error
(
"plugins"
,
"%s is not loadable: Plugin magic mismatch %d (need %d)
\n
"
,
plugin
->
path
,
plugin
->
info
->
magic
,
PURPLE_PLUGIN_MAGIC
);
plugin
->
unloadable
=
TRUE
;
return
plugin
;
}
purple_debug_error
(
"plugins"
,
"%s is not loadable: Plugin magic mismatch %d (need %d)
\n
"
,
plugin
->
path
,
plugin
->
info
->
magic
,
PURPLE_PLUGIN_MAGIC
);
purple_plugin_destroy
(
plugin
);
return
NULL
;
}
if
(
plugin
->
info
->
major_version
!=
PURPLE_MAJOR_VERSION
||
plugin
->
info
->
minor_version
>
PURPLE_MINOR_VERSION
)
{
plugin
->
error
=
g_strdup_printf
(
_
(
"ABI version mismatch %d.%d.x (need %d.%d.x)"
),
plugin
->
info
->
major_version
,
plugin
->
info
->
minor_version
,
PURPLE_MAJOR_VERSION
,
PURPLE_MINOR_VERSION
);
purple_debug_error
(
"plugins"
,
"%s is not loadable: ABI version mismatch %d.%d.x (need %d.%d.x)
\n
"
,
plugin
->
path
,
plugin
->
info
->
major_version
,
plugin
->
info
->
minor_version
,
PURPLE_MAJOR_VERSION
,
PURPLE_MINOR_VERSION
);
plugin
->
unloadable
=
TRUE
;
return
plugin
;
}
if
(
plugin
->
info
->
type
==
PURPLE_PLUGIN_PROTOCOL
)
{
/* If plugin is a PRPL, make sure it implements the required functions */
if
((
PURPLE_PLUGIN_PROTOCOL_INFO
(
plugin
)
->
list_icon
==
NULL
)
||
(
PURPLE_PLUGIN_PROTOCOL_INFO
(
plugin
)
->
login
==
NULL
)
||
(
PURPLE_PLUGIN_PROTOCOL_INFO
(
plugin
)
->
close
==
NULL
))
{
plugin
->
error
=
g_strdup
(
_
(
"Plugin does not implement all required functions (list_icon, login and close)"
));
purple_debug_error
(
"plugins"
,
"%s is not loadable: %s
\n
"
,
plugin
->
path
,
plugin
->
error
);
plugin
->
unloadable
=
TRUE
;
return
plugin
;
}
/* For debugging, let's warn about prpl prefs. */
if
(
plugin
->
info
->
prefs_info
!=
NULL
)
{
purple_debug_error
(
"plugins"
,
"%s has a prefs_info, but is a prpl. This is no longer supported.
\n
"
,
plugin
->
path
);
}
}
return
plugin
;
#else
return
NULL
;
#endif
/* !PURPLE_PLUGINS */
}
#ifdef PURPLE_PLUGINS
static
gint
compare_plugins
(
gconstpointer
a
,
gconstpointer
b
)
{
const
PurplePlugin
*
plugina
=
a
;
const
PurplePlugin
*
pluginb
=
b
;
return
strcmp
(
plugina
->
info
->
name
,
pluginb
->
info
->
name
);
}
#endif
/* PURPLE_PLUGINS */
gboolean
purple_plugin_load
(
PurplePlugin
*
plugin
)
{
#ifdef PURPLE_PLUGINS
GList
*
dep_list
=
NULL
;
GList
*
l
;
g_return_val_if_fail
(
plugin
!=
NULL
,
FALSE
);
if
(
purple_plugin_is_loaded
(
plugin
))
return
TRUE
;
if
(
purple_plugin_is_unloadable
(
plugin
))
return
FALSE
;
g_return_val_if_fail
(
plugin
->
error
==
NULL
,
FALSE
);
/*
* Go through the list of the plugin's dependencies.
*
* First pass: Make sure all the plugins needed are probed.
*/
for
(
l
=
plugin
->
info
->
dependencies
;
l
!=
NULL
;
l
=
l
->
next
)
{
const
char
*
dep_name
=
(
const
char
*
)
l
->
data
;
PurplePlugin
*
dep_plugin
;
dep_plugin
=
purple_plugins_find_with_id
(
dep_name
);
if
(
dep_plugin
==
NULL
)
{
char
*
tmp
;
tmp
=
g_strdup_printf
(
_
(
"The required plugin %s was not found. "
"Please install this plugin and try again."
),
dep_name
);
purple_notify_error
(
NULL
,
NULL
,
_
(
"Unable to load the plugin"
),
tmp
);
g_free
(
tmp
);
g_list_free
(
dep_list
);
return
FALSE
;
}
dep_list
=
g_list_append
(
dep_list
,
dep_plugin
);
}
/* Second pass: load all the required plugins. */
for
(
l
=
dep_list
;
l
!=
NULL
;
l
=
l
->
next
)
{
PurplePlugin
*
dep_plugin
=
(
PurplePlugin
*
)
l
->
data
;
if
(
!
purple_plugin_is_loaded
(
dep_plugin
))
{
if
(
!
purple_plugin_load
(
dep_plugin
))
{
char
*
tmp
;
tmp
=
g_strdup_printf
(
_
(
"The required plugin %s was unable to load."
),
plugin
->
info
->
name
);
purple_notify_error
(
NULL
,
NULL
,
_
(
"Unable to load your plugin."
),
tmp
);
g_free
(
tmp
);
g_list_free
(
dep_list
);
return
FALSE
;
}
}
}
/* Third pass: note that other plugins are dependencies of this plugin.
* This is done separately in case we had to bail out earlier. */
for
(
l
=
dep_list
;
l
!=
NULL
;
l
=
l
->
next
)
{
PurplePlugin
*
dep_plugin
=
(
PurplePlugin
*
)
l
->
data
;
dep_plugin
->
dependent_plugins
=
g_list_prepend
(
dep_plugin
->
dependent_plugins
,
plugin
->
info
->
id
);
}
g_list_free
(
dep_list
);
if
(
plugin
->
native_plugin
)
{
if
(
plugin
->
info
!=
NULL
&&
plugin
->
info
->
load
!=
NULL
)
{
if
(
!
plugin
->
info
->
load
(
plugin
))
return
FALSE
;
}
}
else
{
PurplePlugin
*
loader
;
PurplePluginLoaderInfo
*
loader_info
;
loader
=
find_loader_for_plugin
(
plugin
);
if
(
loader
==
NULL
)
return
FALSE
;
loader_info
=
PURPLE_PLUGIN_LOADER_INFO
(
loader
);
if
(
loader_info
->
load
!=
NULL
)
{
if
(
!
loader_info
->
load
(
plugin
))
return
FALSE
;
}
}
loaded_plugins
=
g_list_insert_sorted
(
loaded_plugins
,
plugin
,
compare_plugins
);
plugin
->
loaded
=
TRUE
;
if
(
load_cb
!=
NULL
)
load_cb
(
plugin
,
load_cb_data
);
purple_signal_emit
(
purple_plugins_get_handle
(),
"plugin-load"
,
plugin
);
return
TRUE
;
#else
return
TRUE
;
#endif
/* !PURPLE_PLUGINS */
}
gboolean
purple_plugin_unload
(
PurplePlugin
*
plugin
)
{
#ifdef PURPLE_PLUGINS
GList
*
l
;
GList
*
ll
;
g_return_val_if_fail
(
plugin
!=
NULL
,
FALSE
);
g_return_val_if_fail
(
purple_plugin_is_loaded
(
plugin
),
FALSE
);
purple_debug_info
(
"plugins"
,
"Unloading plugin %s
\n
"
,
plugin
->
info
->
name
);
/* Unload all plugins that depend on this plugin. */
for
(
l
=
plugin
->
dependent_plugins
;
l
!=
NULL
;
l
=
ll
)
{
const
char
*
dep_name
=
(
const
char
*
)
l
->
data
;
PurplePlugin
*
dep_plugin
;
/* Store a pointer to the next element in the list.
* This is because we'll be modifying this list in the loop. */
ll
=
l
->
next
;
dep_plugin
=
purple_plugins_find_with_id
(
dep_name
);
if
(
dep_plugin
!=
NULL
&&
purple_plugin_is_loaded
(
dep_plugin
))
{
if
(
!
purple_plugin_unload
(
dep_plugin
))
{
g_free
(
plugin
->
error
);
plugin
->
error
=
g_strdup_printf
(
_
(
"%s requires %s, but it failed to unload."
),
_
(
plugin
->
info
->
name
),
_
(
dep_plugin
->
info
->
name
));
return
FALSE
;
}
else
{
#if 0
/* This isn't necessary. This has already been done when unloading dep_plugin. */
plugin->dependent_plugins = g_list_delete_link(plugin->dependent_plugins, l);
#endif
}
}
}
/* Remove this plugin from each dependency's dependent_plugins list. */
for
(
l
=
plugin
->
info
->
dependencies
;
l
!=
NULL
;
l
=
l
->
next
)
{
const
char
*
dep_name
=
(
const
char
*
)
l
->
data
;
PurplePlugin
*
dependency
;
dependency
=
purple_plugins_find_with_id
(
dep_name
);
if
(
dependency
!=
NULL
)
dependency
->
dependent_plugins
=
g_list_remove
(
dependency
->
dependent_plugins
,
plugin
->
info
->
id
);
else
purple_debug_error
(
"plugins"
,
"Unable to remove from dependency list for %s
\n
"
,
dep_name
);
}
if
(
plugin
->
native_plugin
)
{
if
(
plugin
->
info
->
unload
&&
!
plugin
->
info
->
unload
(
plugin
))
return
FALSE
;
if
(
plugin
->
info
->
type
==
PURPLE_PLUGIN_PROTOCOL
)
{
PurplePluginProtocolInfo
*
prpl_info
;
GList
*
l
;
prpl_info
=
PURPLE_PLUGIN_PROTOCOL_INFO
(
plugin
);
for
(
l
=
prpl_info
->
user_splits
;
l
!=
NULL
;
l
=
l
->
next
)
purple_account_user_split_destroy
(
l
->
data
);
for
(
l
=
prpl_info
->
protocol_options
;
l
!=
NULL
;
l
=
l
->
next
)
purple_account_option_destroy
(
l
->
data
);
if
(
prpl_info
->
user_splits
!=
NULL
)
{
g_list_free
(
prpl_info
->
user_splits
);
prpl_info
->
user_splits
=
NULL
;
}
if
(
prpl_info
->
protocol_options
!=
NULL
)
{
g_list_free
(
prpl_info
->
protocol_options
);
prpl_info
->
protocol_options
=
NULL
;
}
}
}
else
{
PurplePlugin
*
loader
;
PurplePluginLoaderInfo
*
loader_info
;
loader
=
find_loader_for_plugin
(
plugin
);
if
(
loader
==
NULL
)
return
FALSE
;
loader_info
=
PURPLE_PLUGIN_LOADER_INFO
(
loader
);
if
(
loader_info
->
unload
&&
!
loader_info
->
unload
(
plugin
))
return
FALSE
;
}
/* cancel any pending dialogs the plugin has */
purple_request_close_with_handle
(
plugin
);
purple_notify_close_with_handle
(
plugin
);
purple_signals_disconnect_by_handle
(
plugin
);
purple_plugin_ipc_unregister_all
(
plugin
);
loaded_plugins
=
g_list_remove
(
loaded_plugins
,
plugin
);
if
((
plugin
->
info
!=
NULL
)
&&
PURPLE_IS_PROTOCOL_PLUGIN
(
plugin
))
protocol_plugins
=
g_list_remove
(
protocol_plugins
,
plugin
);
plugins_to_disable
=
g_list_remove
(
plugins_to_disable
,
plugin
);
plugin
->
loaded
=
FALSE
;
/* We wouldn't be anywhere near here if the plugin wasn't loaded, so
* if plugin->error is set at all, it had to be from a previous
* unload failure. It's obviously okay now.
*/
g_free
(
plugin
->
error
);
plugin
->
error
=
NULL
;
if
(
unload_cb
!=
NULL
)
unload_cb
(
plugin
,
unload_cb_data
);
purple_signal_emit
(
purple_plugins_get_handle
(),
"plugin-unload"
,
plugin
);
purple_prefs_disconnect_by_handle
(
plugin
);
return
TRUE
;
#else
return
TRUE
;
#endif
/* PURPLE_PLUGINS */
}
void
purple_plugin_disable
(
PurplePlugin
*
plugin
)
{
#ifdef PURPLE_PLUGINS
g_return_if_fail
(
plugin
!=
NULL
);
if
(
!
g_list_find
(
plugins_to_disable
,
plugin
))
plugins_to_disable
=
g_list_prepend
(
plugins_to_disable
,
plugin
);
#endif
}
gboolean
purple_plugin_reload
(
PurplePlugin
*
plugin
)
{
#ifdef PURPLE_PLUGINS
g_return_val_if_fail
(
plugin
!=
NULL
,
FALSE
);
g_return_val_if_fail
(
purple_plugin_is_loaded
(
plugin
),
FALSE
);
if
(
!
purple_plugin_unload
(
plugin
))
return
FALSE
;
if
(
!
purple_plugin_load
(
plugin
))
return
FALSE
;
return
TRUE
;
#else
return
TRUE
;
#endif
/* !PURPLE_PLUGINS */
}
void
purple_plugin_destroy
(
PurplePlugin
*
plugin
)
{
#ifdef PURPLE_PLUGINS
g_return_if_fail
(
plugin
!=
NULL
);
if
(
purple_plugin_is_loaded
(
plugin
))
purple_plugin_unload
(
plugin
);
plugins
=
g_list_remove
(
plugins
,
plugin
);
if
(
load_queue
!=
NULL
)
load_queue
=
g_list_remove
(
load_queue
,
plugin
);
/* true, this may leak a little memory if there is a major version
* mismatch, but it's a lot better than trying to free something
* we shouldn't, and crashing while trying to load an old plugin */
if
(
plugin
->
info
==
NULL
||
plugin
->
info
->
magic
!=
PURPLE_PLUGIN_MAGIC
||
plugin
->
info
->
major_version
!=
PURPLE_MAJOR_VERSION
)
{
if
(
plugin
->
handle
)
g_module_close
(
plugin
->
handle
);
g_free
(
plugin
->
path
);
g_free
(
plugin
->
error
);
PURPLE_DBUS_UNREGISTER_POINTER
(
plugin
);
g_free
(
plugin
);
return
;
}
if
(
plugin
->
info
!=
NULL
)
g_list_free
(
plugin
->
info
->
dependencies
);
if
(
plugin
->
native_plugin
)
{
if
(
plugin
->
info
!=
NULL
&&
plugin
->
info
->
type
==
PURPLE_PLUGIN_LOADER
)
{
PurplePluginLoaderInfo
*
loader_info
;
GList
*
exts
,
*
l
,
*
next_l
;
PurplePlugin
*
p2
;
loader_info
=
PURPLE_PLUGIN_LOADER_INFO
(
plugin
);
if
(
loader_info
!=
NULL
&&
loader_info
->
exts
!=
NULL
)
{
for
(
exts
=
PURPLE_PLUGIN_LOADER_INFO
(
plugin
)
->
exts
;
exts
!=
NULL
;
exts
=
exts
->
next
)
{
for
(
l
=
purple_plugins_get_all
();
l
!=
NULL
;
l
=
next_l
)
{
next_l
=
l
->
next
;
p2
=
l
->
data
;
if
(
p2
->
path
!=
NULL
&&
has_file_extension
(
p2
->
path
,
exts
->
data
))
{
purple_plugin_destroy
(
p2
);
}
}
}
g_list_free
(
loader_info
->
exts
);
loader_info
->
exts
=
NULL
;
}
plugin_loaders
=
g_list_remove
(
plugin_loaders
,
plugin
);
}
if
(
plugin
->
info
!=
NULL
&&
plugin
->
info
->
destroy
!=
NULL
)
plugin
->
info
->
destroy
(
plugin
);
/*
* I find it extremely useful to do this when using valgrind, as
* it keeps all the plugins open, meaning that valgrind is able to
* resolve symbol names in leak traces from plugins.
*/
if
(
!
g_getenv
(
"PURPLE_LEAKCHECK_HELP"
)
&&
!
RUNNING_ON_VALGRIND
)
{
if
(
plugin
->
handle
!=
NULL
)
g_module_close
(
plugin
->
handle
);
}
}
else
{
PurplePlugin
*
loader
;
PurplePluginLoaderInfo
*
loader_info
;
loader
=
find_loader_for_plugin
(
plugin
);
if
(
loader
!=
NULL
)
{
loader_info
=
PURPLE_PLUGIN_LOADER_INFO
(
loader
);
if
(
loader_info
->
destroy
!=
NULL
)
loader_info
->
destroy
(
plugin
);
}
}
g_free
(
plugin
->
path
);
g_free
(
plugin
->
error
);
PURPLE_DBUS_UNREGISTER_POINTER
(
plugin
);
g_free
(
plugin
);
#endif
/* !PURPLE_PLUGINS */
}
gboolean
purple_plugin_is_loaded
(
const
PurplePlugin
*
plugin
)
{
g_return_val_if_fail
(
plugin
!=
NULL
,
FALSE
);
return
plugin
->
loaded
;
}
gboolean
purple_plugin_is_unloadable
(
const
PurplePlugin
*
plugin
)
{
g_return_val_if_fail
(
plugin
!=
NULL
,
FALSE
);
return
plugin
->
unloadable
;
}
const
gchar
*
purple_plugin_get_id
(
const
PurplePlugin
*
plugin
)
{
g_return_val_if_fail
(
plugin
,
NULL
);
g_return_val_if_fail
(
plugin
->
info
,
NULL
);
return
plugin
->
info
->
id
;
}
const
gchar
*
purple_plugin_get_name
(
const
PurplePlugin
*
plugin
)
{
g_return_val_if_fail
(
plugin
,
NULL
);
g_return_val_if_fail
(
plugin
->
info
,
NULL
);
return
_
(
plugin
->
info
->
name
);
}
const
gchar
*
purple_plugin_get_version
(
const
PurplePlugin
*
plugin
)
{
g_return_val_if_fail
(
plugin
,
NULL
);
g_return_val_if_fail
(
plugin
->
info
,
NULL
);
return
plugin
->
info
->
version
;
}
const
gchar
*
purple_plugin_get_summary
(
const
PurplePlugin
*
plugin
)
{
g_return_val_if_fail
(
plugin
,
NULL
);
g_return_val_if_fail
(
plugin
->
info
,
NULL
);
return
_
(
plugin
->
info
->
summary
);
}
const
gchar
*
purple_plugin_get_description
(
const
PurplePlugin
*
plugin
)
{
g_return_val_if_fail
(
plugin
,
NULL
);
g_return_val_if_fail
(
plugin
->
info
,
NULL
);
return
_
(
plugin
->
info
->
description
);
}
const
gchar
*
purple_plugin_get_author
(
const
PurplePlugin
*
plugin
)
{
g_return_val_if_fail
(
plugin
,
NULL
);
g_return_val_if_fail
(
plugin
->
info
,
NULL
);
return
_
(
plugin
->
info
->
author
);
}
const
gchar
*
purple_plugin_get_homepage
(
const
PurplePlugin
*
plugin
)
{
g_return_val_if_fail
(
plugin
,
NULL
);
g_return_val_if_fail
(
plugin
->
info
,
NULL
);
return
plugin
->
info
->
homepage
;
}
/**************************************************************************
* Plugin IPC
**************************************************************************/
static
void
destroy_ipc_info
(
void
*
data
)
{
PurplePluginIpcCommand
*
ipc_command
=
(
PurplePluginIpcCommand
*
)
data
;
int
i
;
if
(
ipc_command
->
params
!=
NULL
)
{
for
(
i
=
0
;
i
<
ipc_command
->
num_params
;
i
++
)
purple_value_destroy
(
ipc_command
->
params
[
i
]);
g_free
(
ipc_command
->
params
);
}
if
(
ipc_command
->
ret_value
!=
NULL
)
purple_value_destroy
(
ipc_command
->
ret_value
);
g_free
(
ipc_command
);
}
gboolean
purple_plugin_ipc_register
(
PurplePlugin
*
plugin
,
const
char
*
command
,
PurpleCallback
func
,
PurpleSignalMarshalFunc
marshal
,
PurpleValue
*
ret_value
,
int
num_params
,
...)
{
PurplePluginIpcInfo
*
ipc_info
;
PurplePluginIpcCommand
*
ipc_command
;
g_return_val_if_fail
(
plugin
!=
NULL
,
FALSE
);
g_return_val_if_fail
(
command
!=
NULL
,
FALSE
);
g_return_val_if_fail
(
func
!=
NULL
,
FALSE
);
g_return_val_if_fail
(
marshal
!=
NULL
,
FALSE
);
if
(
plugin
->
ipc_data
==
NULL
)
{
ipc_info
=
plugin
->
ipc_data
=
g_new0
(
PurplePluginIpcInfo
,
1
);
ipc_info
->
commands
=
g_hash_table_new_full
(
g_str_hash
,
g_str_equal
,
g_free
,
destroy_ipc_info
);
}
else
ipc_info
=
(
PurplePluginIpcInfo
*
)
plugin
->
ipc_data
;
ipc_command
=
g_new0
(
PurplePluginIpcCommand
,
1
);
ipc_command
->
func
=
func
;
ipc_command
->
marshal
=
marshal
;
ipc_command
->
num_params
=
num_params
;
ipc_command
->
ret_value
=
ret_value
;
if
(
num_params
>
0
)
{
va_list
args
;
int
i
;
ipc_command
->
params
=
g_new0
(
PurpleValue
*
,
num_params
);
va_start
(
args
,
num_params
);
for
(
i
=
0
;
i
<
num_params
;
i
++
)
ipc_command
->
params
[
i
]
=
va_arg
(
args
,
PurpleValue
*
);
va_end
(
args
);
}
g_hash_table_replace
(
ipc_info
->
commands
,
g_strdup
(
command
),
ipc_command
);
ipc_info
->
command_count
++
;
return
TRUE
;
}
void
purple_plugin_ipc_unregister
(
PurplePlugin
*
plugin
,
const
char
*
command
)
{
PurplePluginIpcInfo
*
ipc_info
;
g_return_if_fail
(
plugin
!=
NULL
);
g_return_if_fail
(
command
!=
NULL
);
ipc_info
=
(
PurplePluginIpcInfo
*
)
plugin
->
ipc_data
;
if
(
ipc_info
==
NULL
||
g_hash_table_lookup
(
ipc_info
->
commands
,
command
)
==
NULL
)
{
purple_debug_error
(
"plugins"
,
"IPC command '%s' was not registered for plugin %s
\n
"
,
command
,
plugin
->
info
->
name
);
return
;
}
g_hash_table_remove
(
ipc_info
->
commands
,
command
);
ipc_info
->
command_count
--
;
if
(
ipc_info
->
command_count
==
0
)
{
g_hash_table_destroy
(
ipc_info
->
commands
);
g_free
(
ipc_info
);
plugin
->
ipc_data
=
NULL
;
}
}
void
purple_plugin_ipc_unregister_all
(
PurplePlugin
*
plugin
)
{
PurplePluginIpcInfo
*
ipc_info
;
g_return_if_fail
(
plugin
!=
NULL
);
if
(
plugin
->
ipc_data
==
NULL
)
return
;
/* Silently ignore it. */
ipc_info
=
(
PurplePluginIpcInfo
*
)
plugin
->
ipc_data
;
g_hash_table_destroy
(
ipc_info
->
commands
);
g_free
(
ipc_info
);
plugin
->
ipc_data
=
NULL
;
}
gboolean
purple_plugin_ipc_get_params
(
PurplePlugin
*
plugin
,
const
char
*
command
,
PurpleValue
**
ret_value
,
int
*
num_params
,
PurpleValue
***
params
)
{
PurplePluginIpcInfo
*
ipc_info
;
PurplePluginIpcCommand
*
ipc_command
;
g_return_val_if_fail
(
plugin
!=
NULL
,
FALSE
);
g_return_val_if_fail
(
command
!=
NULL
,
FALSE
);
ipc_info
=
(
PurplePluginIpcInfo
*
)
plugin
->
ipc_data
;
if
(
ipc_info
==
NULL
||
(
ipc_command
=
g_hash_table_lookup
(
ipc_info
->
commands
,
command
))
==
NULL
)
{
purple_debug_error
(
"plugins"
,
"IPC command '%s' was not registered for plugin %s
\n
"
,
command
,
plugin
->
info
->
name
);
return
FALSE
;
}
if
(
num_params
!=
NULL
)
*
num_params
=
ipc_command
->
num_params
;
if
(
params
!=
NULL
)
*
params
=
ipc_command
->
params
;
if
(
ret_value
!=
NULL
)
*
ret_value
=
ipc_command
->
ret_value
;
return
TRUE
;
}
void
*
purple_plugin_ipc_call
(
PurplePlugin
*
plugin
,
const
char
*
command
,
gboolean
*
ok
,
...)
{
PurplePluginIpcInfo
*
ipc_info
;
PurplePluginIpcCommand
*
ipc_command
;
va_list
args
;
void
*
ret_value
;
if
(
ok
!=
NULL
)
*
ok
=
FALSE
;
g_return_val_if_fail
(
plugin
!=
NULL
,
NULL
);
g_return_val_if_fail
(
command
!=
NULL
,
NULL
);
ipc_info
=
(
PurplePluginIpcInfo
*
)
plugin
->
ipc_data
;
if
(
ipc_info
==
NULL
||
(
ipc_command
=
g_hash_table_lookup
(
ipc_info
->
commands
,
command
))
==
NULL
)
{
purple_debug_error
(
"plugins"
,
"IPC command '%s' was not registered for plugin %s
\n
"
,
command
,
plugin
->
info
->
name
);
return
NULL
;
}
va_start
(
args
,
ok
);
ipc_command
->
marshal
(
ipc_command
->
func
,
args
,
NULL
,
&
ret_value
);
va_end
(
args
);
if
(
ok
!=
NULL
)
*
ok
=
TRUE
;
return
ret_value
;
}
/**************************************************************************
* Plugins subsystem
**************************************************************************/
void
*
purple_plugins_get_handle
(
void
)
{
static
int
handle
;
return
&
handle
;
}
void
purple_plugins_init
(
void
)
{
void
*
handle
=
purple_plugins_get_handle
();
purple_plugins_add_search_path
(
LIBDIR
);
purple_signal_register
(
handle
,
"plugin-load"
,
purple_marshal_VOID__POINTER
,
NULL
,
1
,
purple_value_new
(
PURPLE_TYPE_SUBTYPE
,
PURPLE_SUBTYPE_PLUGIN
));
purple_signal_register
(
handle
,
"plugin-unload"
,
purple_marshal_VOID__POINTER
,
NULL
,
1
,
purple_value_new
(
PURPLE_TYPE_SUBTYPE
,
PURPLE_SUBTYPE_PLUGIN
));
}
void
purple_plugins_uninit
(
void
)
{
void
*
handle
=
purple_plugins_get_handle
();
purple_signals_disconnect_by_handle
(
handle
);
purple_signals_unregister_by_instance
(
handle
);
while
(
search_paths
)
{
g_free
(
search_paths
->
data
);
search_paths
=
g_list_delete_link
(
search_paths
,
search_paths
);
}
}
/**************************************************************************
* Plugins API
**************************************************************************/
void
purple_plugins_add_search_path
(
const
char
*
path
)
{
g_return_if_fail
(
path
!=
NULL
);
if
(
g_list_find_custom
(
search_paths
,
path
,
(
GCompareFunc
)
strcmp
))
return
;
search_paths
=
g_list_append
(
search_paths
,
g_strdup
(
path
));
}
GList
*
purple_plugins_get_search_paths
()
{
return
search_paths
;
}
void
purple_plugins_unload_all
(
void
)
{
#ifdef PURPLE_PLUGINS
while
(
loaded_plugins
!=
NULL
)
purple_plugin_unload
(
loaded_plugins
->
data
);
#endif
/* PURPLE_PLUGINS */
}
void
purple_plugins_unload
(
PurplePluginType
type
)
{
#ifdef PURPLE_PLUGINS
GList
*
l
;
for
(
l
=
plugins
;
l
;
l
=
l
->
next
)
{
PurplePlugin
*
plugin
=
l
->
data
;
if
(
plugin
->
info
->
type
==
type
&&
purple_plugin_is_loaded
(
plugin
))
purple_plugin_unload
(
plugin
);
}
#endif
/* PURPLE_PLUGINS */
}
void
purple_plugins_destroy_all
(
void
)
{
#ifdef PURPLE_PLUGINS
while
(
plugins
!=
NULL
)
purple_plugin_destroy
(
plugins
->
data
);
#endif
/* PURPLE_PLUGINS */
}
void
purple_plugins_save_loaded
(
const
char
*
key
)
{
#ifdef PURPLE_PLUGINS
GList
*
pl
;
GList
*
files
=
NULL
;
for
(
pl
=
purple_plugins_get_loaded
();
pl
!=
NULL
;
pl
=
pl
->
next
)
{
PurplePlugin
*
plugin
=
pl
->
data
;
if
(
plugin
->
info
->
type
!=
PURPLE_PLUGIN_PROTOCOL
&&
plugin
->
info
->
type
!=
PURPLE_PLUGIN_LOADER
&&
!
g_list_find
(
plugins_to_disable
,
plugin
))
{
files
=
g_list_append
(
files
,
plugin
->
path
);
}
}
purple_prefs_set_path_list
(
key
,
files
);
g_list_free
(
files
);
#endif
}
void
purple_plugins_load_saved
(
const
char
*
key
)
{
#ifdef PURPLE_PLUGINS
GList
*
f
,
*
files
;
g_return_if_fail
(
key
!=
NULL
);
files
=
purple_prefs_get_path_list
(
key
);
for
(
f
=
files
;
f
;
f
=
f
->
next
)
{
char
*
filename
;
char
*
basename
;
PurplePlugin
*
plugin
;
if
(
f
->
data
==
NULL
)
continue
;
filename
=
f
->
data
;
/*
* We don't know if the filename uses Windows or Unix path
* separators (because people might be sharing a prefs.xml
* file across systems), so we find the last occurrence
* of either.
*/
basename
=
strrchr
(
filename
,
'/'
);
if
((
basename
==
NULL
)
||
(
basename
<
strrchr
(
filename
,
'\\'
)))
basename
=
strrchr
(
filename
,
'\\'
);
if
(
basename
!=
NULL
)
basename
++
;
/* Strip the extension */
if
(
basename
)
basename
=
purple_plugin_get_basename
(
basename
);
if
(((
plugin
=
purple_plugins_find_with_filename
(
filename
))
!=
NULL
)
||
(
basename
&&
(
plugin
=
purple_plugins_find_with_basename
(
basename
))
!=
NULL
)
||
((
plugin
=
purple_plugin_probe
(
filename
))
!=
NULL
))
{
purple_debug_info
(
"plugins"
,
"Loading saved plugin %s
\n
"
,
plugin
->
path
);
purple_plugin_load
(
plugin
);
}
else
{
purple_debug_error
(
"plugins"
,
"Unable to find saved plugin %s
\n
"
,
filename
);
}
g_free
(
basename
);
g_free
(
f
->
data
);
}
g_list_free
(
files
);
#endif
/* PURPLE_PLUGINS */
}
void
purple_plugins_probe
(
const
char
*
ext
)
{
#ifdef PURPLE_PLUGINS
GDir
*
dir
;
const
gchar
*
file
;
gchar
*
path
;
PurplePlugin
*
plugin
;
GList
*
cur
;
const
char
*
search_path
;
if
(
!
g_module_supported
())
return
;
/* Probe plugins */
for
(
cur
=
search_paths
;
cur
!=
NULL
;
cur
=
cur
->
next
)
{
search_path
=
cur
->
data
;
dir
=
g_dir_open
(
search_path
,
0
,
NULL
);
if
(
dir
!=
NULL
)
{
while
((
file
=
g_dir_read_name
(
dir
))
!=
NULL
)
{
path
=
g_build_filename
(
search_path
,
file
,
NULL
);
if
(
ext
==
NULL
||
has_file_extension
(
file
,
ext
))
plugin
=
purple_plugin_probe
(
path
);
g_free
(
path
);
}
g_dir_close
(
dir
);
}
}
/* See if we have any plugins waiting to load */
while
(
load_queue
!=
NULL
)
{
plugin
=
(
PurplePlugin
*
)
load_queue
->
data
;
load_queue
=
g_list_remove
(
load_queue
,
plugin
);
if
(
plugin
==
NULL
||
plugin
->
info
==
NULL
)
continue
;
if
(
plugin
->
info
->
type
==
PURPLE_PLUGIN_LOADER
)
{
/* We'll just load this right now. */
if
(
!
purple_plugin_load
(
plugin
))
{
purple_plugin_destroy
(
plugin
);
continue
;
}
plugin_loaders
=
g_list_append
(
plugin_loaders
,
plugin
);
for
(
cur
=
PURPLE_PLUGIN_LOADER_INFO
(
plugin
)
->
exts
;
cur
!=
NULL
;
cur
=
cur
->
next
)
{
purple_plugins_probe
(
cur
->
data
);
}
}
else
if
(
plugin
->
info
->
type
==
PURPLE_PLUGIN_PROTOCOL
)
{
/* We'll just load this right now. */
if
(
!
purple_plugin_load
(
plugin
))
{
purple_plugin_destroy
(
plugin
);
continue
;
}
/* Make sure we don't load two PRPLs with the same name? */
if
(
purple_find_prpl
(
plugin
->
info
->
id
))
{
/* Nothing to see here--move along, move along */
purple_plugin_destroy
(
plugin
);
continue
;
}
protocol_plugins
=
g_list_insert_sorted
(
protocol_plugins
,
plugin
,
(
GCompareFunc
)
compare_prpl
);
}
}
if
(
probe_cb
!=
NULL
)
probe_cb
(
probe_cb_data
);
#endif
/* PURPLE_PLUGINS */
}
gboolean
purple_plugin_register
(
PurplePlugin
*
plugin
)
{
g_return_val_if_fail
(
plugin
!=
NULL
,
FALSE
);
/* If this plugin has been registered already then exit */
if
(
g_list_find
(
plugins
,
plugin
))
return
TRUE
;
/* Ensure the plugin has the requisite information */
if
(
plugin
->
info
->
type
==
PURPLE_PLUGIN_LOADER
)
{
PurplePluginLoaderInfo
*
loader_info
;
loader_info
=
PURPLE_PLUGIN_LOADER_INFO
(
plugin
);
if
(
loader_info
==
NULL
)
{
purple_debug_error
(
"plugins"
,
"%s is not loadable, loader plugin missing loader_info
\n
"
,
plugin
->
path
);
return
FALSE
;
}
}
else
if
(
plugin
->
info
->
type
==
PURPLE_PLUGIN_PROTOCOL
)
{
PurplePluginProtocolInfo
*
prpl_info
;
prpl_info
=
PURPLE_PLUGIN_PROTOCOL_INFO
(
plugin
);
if
(
prpl_info
==
NULL
)
{
purple_debug_error
(
"plugins"
,
"%s is not loadable, protocol plugin missing prpl_info
\n
"
,
plugin
->
path
);
return
FALSE
;
}
}
#ifdef PURPLE_PLUGINS
/* This plugin should be probed and maybe loaded--add it to the queue */
load_queue
=
g_list_append
(
load_queue
,
plugin
);
#else
if
(
plugin
->
info
!=
NULL
)
{
if
(
plugin
->
info
->
type
==
PURPLE_PLUGIN_PROTOCOL
)
protocol_plugins
=
g_list_insert_sorted
(
protocol_plugins
,
plugin
,
(
GCompareFunc
)
compare_prpl
);
if
(
plugin
->
info
->
load
!=
NULL
)
if
(
!
plugin
->
info
->
load
(
plugin
))
return
FALSE
;
}
#endif
plugins
=
g_list_append
(
plugins
,
plugin
);
return
TRUE
;
}
gboolean
purple_plugins_enabled
(
void
)
{
#ifdef PURPLE_PLUGINS
return
TRUE
;
#else
return
FALSE
;
#endif
}
void
purple_plugins_register_probe_notify_cb
(
void
(
*
func
)(
void
*
),
void
*
data
)
{
probe_cb
=
func
;
probe_cb_data
=
data
;
}
void
purple_plugins_unregister_probe_notify_cb
(
void
(
*
func
)(
void
*
))
{
probe_cb
=
NULL
;
probe_cb_data
=
NULL
;
}
void
purple_plugins_register_load_notify_cb
(
void
(
*
func
)(
PurplePlugin
*
,
void
*
),
void
*
data
)
{
load_cb
=
func
;
load_cb_data
=
data
;
}
void
purple_plugins_unregister_load_notify_cb
(
void
(
*
func
)(
PurplePlugin
*
,
void
*
))
{
load_cb
=
NULL
;
load_cb_data
=
NULL
;
}
void
purple_plugins_register_unload_notify_cb
(
void
(
*
func
)(
PurplePlugin
*
,
void
*
),
void
*
data
)
{
unload_cb
=
func
;
unload_cb_data
=
data
;
}
void
purple_plugins_unregister_unload_notify_cb
(
void
(
*
func
)(
PurplePlugin
*
,
void
*
))
{
unload_cb
=
NULL
;
unload_cb_data
=
NULL
;
}
PurplePlugin
*
purple_plugins_find_with_name
(
const
char
*
name
)
{
PurplePlugin
*
plugin
;
GList
*
l
;
for
(
l
=
plugins
;
l
!=
NULL
;
l
=
l
->
next
)
{
plugin
=
l
->
data
;
if
(
purple_strequal
(
plugin
->
info
->
name
,
name
))
return
plugin
;
}
return
NULL
;
}
PurplePlugin
*
purple_plugins_find_with_filename
(
const
char
*
filename
)
{
PurplePlugin
*
plugin
;
GList
*
l
;
for
(
l
=
plugins
;
l
!=
NULL
;
l
=
l
->
next
)
{
plugin
=
l
->
data
;
if
(
purple_strequal
(
plugin
->
path
,
filename
))
return
plugin
;
}
return
NULL
;
}
PurplePlugin
*
purple_plugins_find_with_basename
(
const
char
*
basename
)
{
#ifdef PURPLE_PLUGINS
PurplePlugin
*
plugin
;
GList
*
l
;
char
*
tmp
;
g_return_val_if_fail
(
basename
!=
NULL
,
NULL
);
for
(
l
=
plugins
;
l
!=
NULL
;
l
=
l
->
next
)
{
plugin
=
(
PurplePlugin
*
)
l
->
data
;
if
(
plugin
->
path
!=
NULL
)
{
tmp
=
purple_plugin_get_basename
(
plugin
->
path
);
if
(
purple_strequal
(
tmp
,
basename
))
{
g_free
(
tmp
);
return
plugin
;
}
g_free
(
tmp
);
}
}
#endif
/* PURPLE_PLUGINS */
return
NULL
;
}
PurplePlugin
*
purple_plugins_find_with_id
(
const
char
*
id
)
{
PurplePlugin
*
plugin
;
GList
*
l
;
g_return_val_if_fail
(
id
!=
NULL
,
NULL
);
for
(
l
=
plugins
;
l
!=
NULL
;
l
=
l
->
next
)
{
plugin
=
l
->
data
;
if
(
purple_strequal
(
plugin
->
info
->
id
,
id
))
return
plugin
;
}
return
NULL
;
}
GList
*
purple_plugins_get_loaded
(
void
)
{
return
loaded_plugins
;
}
GList
*
purple_plugins_get_protocols
(
void
)
{
return
protocol_plugins
;
}
GList
*
purple_plugins_get_all
(
void
)
{
return
plugins
;
}
PurplePluginAction
*
purple_plugin_action_new
(
const
char
*
label
,
void
(
*
callback
)(
PurplePluginAction
*
))
{
PurplePluginAction
*
act
=
g_new0
(
PurplePluginAction
,
1
);
act
->
label
=
g_strdup
(
label
);
act
->
callback
=
callback
;
return
act
;
}
void
purple_plugin_action_free
(
PurplePluginAction
*
action
)
{
g_return_if_fail
(
action
!=
NULL
);
g_free
(
action
->
label
);
g_free
(
action
);
}