5219a5342a
The default netlink message size limit might be exceeded when dumping a lot of algorithms to userspace. As a result, not all of the instantiated algorithms dumped to userspace. So calculate an upper bound on the message size and call netlink_dump_start() with that value. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/*
|
|
* Crypto user configuration API.
|
|
*
|
|
* Copyright (C) 2011 secunet Security Networks AG
|
|
* Copyright (C) 2011 Steffen Klassert <steffen.klassert@secunet.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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 St - Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
/* Netlink configuration messages. */
|
|
enum {
|
|
CRYPTO_MSG_BASE = 0x10,
|
|
CRYPTO_MSG_NEWALG = 0x10,
|
|
CRYPTO_MSG_DELALG,
|
|
CRYPTO_MSG_UPDATEALG,
|
|
CRYPTO_MSG_GETALG,
|
|
__CRYPTO_MSG_MAX
|
|
};
|
|
#define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1)
|
|
#define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE)
|
|
|
|
#define CRYPTO_MAX_NAME CRYPTO_MAX_ALG_NAME
|
|
|
|
/* Netlink message attributes. */
|
|
enum crypto_attr_type_t {
|
|
CRYPTOCFGA_UNSPEC,
|
|
CRYPTOCFGA_PRIORITY_VAL, /* __u32 */
|
|
CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */
|
|
CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */
|
|
CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */
|
|
CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */
|
|
CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */
|
|
CRYPTOCFGA_REPORT_RNG, /* struct crypto_report_rng */
|
|
CRYPTOCFGA_REPORT_CIPHER, /* struct crypto_report_cipher */
|
|
__CRYPTOCFGA_MAX
|
|
|
|
#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
|
|
};
|
|
|
|
struct crypto_user_alg {
|
|
char cru_name[CRYPTO_MAX_ALG_NAME];
|
|
char cru_driver_name[CRYPTO_MAX_ALG_NAME];
|
|
char cru_module_name[CRYPTO_MAX_ALG_NAME];
|
|
__u32 cru_type;
|
|
__u32 cru_mask;
|
|
__u32 cru_refcnt;
|
|
__u32 cru_flags;
|
|
};
|
|
|
|
struct crypto_report_larval {
|
|
char type[CRYPTO_MAX_NAME];
|
|
};
|
|
|
|
struct crypto_report_hash {
|
|
char type[CRYPTO_MAX_NAME];
|
|
unsigned int blocksize;
|
|
unsigned int digestsize;
|
|
};
|
|
|
|
struct crypto_report_cipher {
|
|
char type[CRYPTO_MAX_ALG_NAME];
|
|
unsigned int blocksize;
|
|
unsigned int min_keysize;
|
|
unsigned int max_keysize;
|
|
};
|
|
|
|
struct crypto_report_blkcipher {
|
|
char type[CRYPTO_MAX_NAME];
|
|
char geniv[CRYPTO_MAX_NAME];
|
|
unsigned int blocksize;
|
|
unsigned int min_keysize;
|
|
unsigned int max_keysize;
|
|
unsigned int ivsize;
|
|
};
|
|
|
|
struct crypto_report_aead {
|
|
char type[CRYPTO_MAX_NAME];
|
|
char geniv[CRYPTO_MAX_NAME];
|
|
unsigned int blocksize;
|
|
unsigned int maxauthsize;
|
|
unsigned int ivsize;
|
|
};
|
|
|
|
struct crypto_report_comp {
|
|
char type[CRYPTO_MAX_NAME];
|
|
};
|
|
|
|
struct crypto_report_rng {
|
|
char type[CRYPTO_MAX_NAME];
|
|
unsigned int seedsize;
|
|
};
|
|
|
|
#define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \
|
|
sizeof(struct crypto_report_blkcipher))
|