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Merged in CMaiku/pidgin/purple-plugin-path (pull request #5)
2015-12-31, Gary Kramlich
54715f591a98
Merged in CMaiku/pidgin/purple-plugin-path (pull request #5)
Add PURPLE_PLUGIN_PATH environment variable
/*
* 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
*/
#include
"internal.h"
#include
"sha256hash.h"
/*******************************************************************************
* Structs
******************************************************************************/
#define PURPLE_SHA256_HASH_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE((obj), PURPLE_TYPE_SHA256_HASH, PurpleSHA256HashPrivate))
typedef
struct
{
GChecksum
*
checksum
;
}
PurpleSHA256HashPrivate
;
/******************************************************************************
* Globals
*****************************************************************************/
static
GObjectClass
*
parent_class
=
NULL
;
/******************************************************************************
* Hash Stuff
*****************************************************************************/
static
void
purple_sha256_hash_reset
(
PurpleHash
*
hash
)
{
PurpleSHA256Hash
*
sha256_hash
=
PURPLE_SHA256_HASH
(
hash
);
PurpleSHA256HashPrivate
*
priv
=
PURPLE_SHA256_HASH_GET_PRIVATE
(
sha256_hash
);
g_return_if_fail
(
priv
!=
NULL
);
g_return_if_fail
(
priv
->
checksum
!=
NULL
);
g_checksum_reset
(
priv
->
checksum
);
}
static
void
purple_sha256_hash_append
(
PurpleHash
*
hash
,
const
guchar
*
data
,
gsize
len
)
{
PurpleSHA256Hash
*
sha256_hash
=
PURPLE_SHA256_HASH
(
hash
);
PurpleSHA256HashPrivate
*
priv
=
PURPLE_SHA256_HASH_GET_PRIVATE
(
sha256_hash
);
g_return_if_fail
(
priv
!=
NULL
);
g_return_if_fail
(
priv
->
checksum
!=
NULL
);
while
(
len
>=
G_MAXSSIZE
)
{
g_checksum_update
(
priv
->
checksum
,
data
,
G_MAXSSIZE
);
len
-=
G_MAXSSIZE
;
data
+=
G_MAXSSIZE
;
}
if
(
len
)
g_checksum_update
(
priv
->
checksum
,
data
,
len
);
}
static
gboolean
purple_sha256_hash_digest
(
PurpleHash
*
hash
,
guchar
*
digest
,
size_t
buff_len
)
{
PurpleSHA256Hash
*
sha256_hash
=
PURPLE_SHA256_HASH
(
hash
);
PurpleSHA256HashPrivate
*
priv
=
PURPLE_SHA256_HASH_GET_PRIVATE
(
sha256_hash
);
const
gssize
required_len
=
g_checksum_type_get_length
(
G_CHECKSUM_SHA256
);
gsize
digest_len
=
buff_len
;
g_return_val_if_fail
(
priv
!=
NULL
,
FALSE
);
g_return_val_if_fail
(
priv
->
checksum
!=
NULL
,
FALSE
);
g_return_val_if_fail
(
required_len
>=
0
,
FALSE
);
g_return_val_if_fail
(
buff_len
>=
(
gsize
)
required_len
,
FALSE
);
g_checksum_get_digest
(
priv
->
checksum
,
digest
,
&
digest_len
);
if
(
digest_len
!=
(
gsize
)
required_len
)
return
FALSE
;
purple_sha256_hash_reset
(
hash
);
return
TRUE
;
}
static
size_t
purple_sha256_hash_get_block_size
(
PurpleHash
*
hash
)
{
return
64
;
}
static
size_t
purple_sha256_hash_get_digest_size
(
PurpleHash
*
hash
)
{
return
g_checksum_type_get_length
(
G_CHECKSUM_SHA256
);
}
/******************************************************************************
* Object Stuff
*****************************************************************************/
static
void
purple_sha256_hash_finalize
(
GObject
*
obj
)
{
PurpleSHA256Hash
*
sha256_hash
=
PURPLE_SHA256_HASH
(
obj
);
PurpleSHA256HashPrivate
*
priv
=
PURPLE_SHA256_HASH_GET_PRIVATE
(
sha256_hash
);
if
(
priv
->
checksum
)
g_checksum_free
(
priv
->
checksum
);
parent_class
->
finalize
(
obj
);
}
static
void
purple_sha256_hash_class_init
(
PurpleSHA256HashClass
*
klass
)
{
GObjectClass
*
obj_class
=
G_OBJECT_CLASS
(
klass
);
PurpleHashClass
*
hash_class
=
PURPLE_HASH_CLASS
(
klass
);
parent_class
=
g_type_class_peek_parent
(
klass
);
obj_class
->
finalize
=
purple_sha256_hash_finalize
;
hash_class
->
reset
=
purple_sha256_hash_reset
;
hash_class
->
reset_state
=
purple_sha256_hash_reset
;
hash_class
->
append
=
purple_sha256_hash_append
;
hash_class
->
digest
=
purple_sha256_hash_digest
;
hash_class
->
get_digest_size
=
purple_sha256_hash_get_digest_size
;
hash_class
->
get_block_size
=
purple_sha256_hash_get_block_size
;
g_type_class_add_private
(
klass
,
sizeof
(
PurpleSHA256HashPrivate
));
}
static
void
purple_sha256_hash_init
(
PurpleHash
*
hash
)
{
PurpleSHA256Hash
*
sha256_hash
=
PURPLE_SHA256_HASH
(
hash
);
PurpleSHA256HashPrivate
*
priv
=
PURPLE_SHA256_HASH_GET_PRIVATE
(
sha256_hash
);
priv
->
checksum
=
g_checksum_new
(
G_CHECKSUM_SHA256
);
purple_sha256_hash_reset
(
hash
);
}
/******************************************************************************
* API
*****************************************************************************/
GType
purple_sha256_hash_get_type
(
void
)
{
static
GType
type
=
0
;
if
(
type
==
0
)
{
static
const
GTypeInfo
info
=
{
sizeof
(
PurpleSHA256HashClass
),
NULL
,
NULL
,
(
GClassInitFunc
)
purple_sha256_hash_class_init
,
NULL
,
NULL
,
sizeof
(
PurpleSHA256Hash
),
0
,
(
GInstanceInitFunc
)
purple_sha256_hash_init
,
NULL
,
};
type
=
g_type_register_static
(
PURPLE_TYPE_HASH
,
"PurpleSHA256Hash"
,
&
info
,
0
);
}
return
type
;
}
PurpleHash
*
purple_sha256_hash_new
(
void
)
{
return
g_object_new
(
PURPLE_TYPE_SHA256_HASH
,
NULL
);
}