forked from mirrors/linux
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
/*
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* Crypto user configuration API.
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*
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* Copyright (C) 2011 secunet Security Networks AG
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* Copyright (C) 2011 Steffen Klassert <steffen.klassert@secunet.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* Netlink configuration messages. */
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enum {
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CRYPTO_MSG_BASE = 0x10,
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CRYPTO_MSG_NEWALG = 0x10,
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CRYPTO_MSG_DELALG,
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CRYPTO_MSG_UPDATEALG,
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CRYPTO_MSG_GETALG,
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__CRYPTO_MSG_MAX
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};
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#define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1)
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#define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE)
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#define CRYPTO_MAX_NAME CRYPTO_MAX_ALG_NAME
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/* Netlink message attributes. */
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enum crypto_attr_type_t {
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CRYPTOCFGA_UNSPEC,
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CRYPTOCFGA_PRIORITY_VAL, /* __u32 */
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CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */
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CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */
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CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */
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CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */
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CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */
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CRYPTOCFGA_REPORT_RNG, /* struct crypto_report_rng */
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CRYPTOCFGA_REPORT_CIPHER, /* struct crypto_report_cipher */
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__CRYPTOCFGA_MAX
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#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
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};
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struct crypto_user_alg {
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char cru_name[CRYPTO_MAX_ALG_NAME];
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char cru_driver_name[CRYPTO_MAX_ALG_NAME];
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char cru_module_name[CRYPTO_MAX_ALG_NAME];
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__u32 cru_type;
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__u32 cru_mask;
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__u32 cru_refcnt;
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__u32 cru_flags;
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};
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struct crypto_report_larval {
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char type[CRYPTO_MAX_NAME];
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};
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struct crypto_report_hash {
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char type[CRYPTO_MAX_NAME];
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unsigned int blocksize;
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unsigned int digestsize;
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};
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struct crypto_report_cipher {
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char type[CRYPTO_MAX_ALG_NAME];
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unsigned int blocksize;
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unsigned int min_keysize;
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unsigned int max_keysize;
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};
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struct crypto_report_blkcipher {
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char type[CRYPTO_MAX_NAME];
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char geniv[CRYPTO_MAX_NAME];
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unsigned int blocksize;
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unsigned int min_keysize;
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unsigned int max_keysize;
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unsigned int ivsize;
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};
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struct crypto_report_aead {
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char type[CRYPTO_MAX_NAME];
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char geniv[CRYPTO_MAX_NAME];
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unsigned int blocksize;
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unsigned int maxauthsize;
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unsigned int ivsize;
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};
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struct crypto_report_comp {
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char type[CRYPTO_MAX_NAME];
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};
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struct crypto_report_rng {
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char type[CRYPTO_MAX_NAME];
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unsigned int seedsize;
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};
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#define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \
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sizeof(struct crypto_report_blkcipher))
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