#define null_terminated(x) (strnlen(x, sizeof(x)) < sizeof(x))
-static DEFINE_MUTEX(crypto_cfg_mutex);
-
-extern struct sock *crypto_nlsk;
-
struct crypto_dump_info {
struct sk_buff *in_skb;
struct sk_buff *out_skb;
static int crypto_report_aead(struct sk_buff *skb, struct crypto_alg *alg)
{
- struct crypto_stat raead;
- u64 v64;
- u32 v32;
-
- strncpy(raead.type, "aead", sizeof(raead.type));
-
- v32 = atomic_read(&alg->encrypt_cnt);
- raead.stat_encrypt_cnt = v32;
- v64 = atomic64_read(&alg->encrypt_tlen);
- raead.stat_encrypt_tlen = v64;
- v32 = atomic_read(&alg->decrypt_cnt);
- raead.stat_decrypt_cnt = v32;
- v64 = atomic64_read(&alg->decrypt_tlen);
- raead.stat_decrypt_tlen = v64;
- v32 = atomic_read(&alg->aead_err_cnt);
- raead.stat_aead_err_cnt = v32;
-
- if (nla_put(skb, CRYPTOCFGA_STAT_AEAD,
- sizeof(struct crypto_stat), &raead))
- goto nla_put_failure;
- return 0;
+ struct crypto_stat_aead raead;
-nla_put_failure:
- return -EMSGSIZE;
+ memset(&raead, 0, sizeof(raead));
+
+ strscpy(raead.type, "aead", sizeof(raead.type));
+
+ raead.stat_encrypt_cnt = atomic64_read(&alg->stats.aead.encrypt_cnt);
+ raead.stat_encrypt_tlen = atomic64_read(&alg->stats.aead.encrypt_tlen);
+ raead.stat_decrypt_cnt = atomic64_read(&alg->stats.aead.decrypt_cnt);
+ raead.stat_decrypt_tlen = atomic64_read(&alg->stats.aead.decrypt_tlen);
+ raead.stat_err_cnt = atomic64_read(&alg->stats.aead.err_cnt);
+
+ return nla_put(skb, CRYPTOCFGA_STAT_AEAD, sizeof(raead), &raead);
}
static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
{
- struct crypto_stat rcipher;
- u64 v64;
- u32 v32;
-
- strlcpy(rcipher.type, "cipher", sizeof(rcipher.type));
-
- v32 = atomic_read(&alg->encrypt_cnt);
- rcipher.stat_encrypt_cnt = v32;
- v64 = atomic64_read(&alg->encrypt_tlen);
- rcipher.stat_encrypt_tlen = v64;
- v32 = atomic_read(&alg->decrypt_cnt);
- rcipher.stat_decrypt_cnt = v32;
- v64 = atomic64_read(&alg->decrypt_tlen);
- rcipher.stat_decrypt_tlen = v64;
- v32 = atomic_read(&alg->cipher_err_cnt);
- rcipher.stat_cipher_err_cnt = v32;
-
- if (nla_put(skb, CRYPTOCFGA_STAT_CIPHER,
- sizeof(struct crypto_stat), &rcipher))
- goto nla_put_failure;
- return 0;
+ struct crypto_stat_cipher rcipher;
-nla_put_failure:
- return -EMSGSIZE;
+ memset(&rcipher, 0, sizeof(rcipher));
+
+ strscpy(rcipher.type, "cipher", sizeof(rcipher.type));
+
+ rcipher.stat_encrypt_cnt = atomic64_read(&alg->stats.cipher.encrypt_cnt);
+ rcipher.stat_encrypt_tlen = atomic64_read(&alg->stats.cipher.encrypt_tlen);
+ rcipher.stat_decrypt_cnt = atomic64_read(&alg->stats.cipher.decrypt_cnt);
+ rcipher.stat_decrypt_tlen = atomic64_read(&alg->stats.cipher.decrypt_tlen);
+ rcipher.stat_err_cnt = atomic64_read(&alg->stats.cipher.err_cnt);
+
+ return nla_put(skb, CRYPTOCFGA_STAT_CIPHER, sizeof(rcipher), &rcipher);
}
static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
{
- struct crypto_stat rcomp;
- u64 v64;
- u32 v32;
-
- strlcpy(rcomp.type, "compression", sizeof(rcomp.type));
- v32 = atomic_read(&alg->compress_cnt);
- rcomp.stat_compress_cnt = v32;
- v64 = atomic64_read(&alg->compress_tlen);
- rcomp.stat_compress_tlen = v64;
- v32 = atomic_read(&alg->decompress_cnt);
- rcomp.stat_decompress_cnt = v32;
- v64 = atomic64_read(&alg->decompress_tlen);
- rcomp.stat_decompress_tlen = v64;
- v32 = atomic_read(&alg->cipher_err_cnt);
- rcomp.stat_compress_err_cnt = v32;
-
- if (nla_put(skb, CRYPTOCFGA_STAT_COMPRESS,
- sizeof(struct crypto_stat), &rcomp))
- goto nla_put_failure;
- return 0;
+ struct crypto_stat_compress rcomp;
-nla_put_failure:
- return -EMSGSIZE;
+ memset(&rcomp, 0, sizeof(rcomp));
+
+ strscpy(rcomp.type, "compression", sizeof(rcomp.type));
+ rcomp.stat_compress_cnt = atomic64_read(&alg->stats.compress.compress_cnt);
+ rcomp.stat_compress_tlen = atomic64_read(&alg->stats.compress.compress_tlen);
+ rcomp.stat_decompress_cnt = atomic64_read(&alg->stats.compress.decompress_cnt);
+ rcomp.stat_decompress_tlen = atomic64_read(&alg->stats.compress.decompress_tlen);
+ rcomp.stat_err_cnt = atomic64_read(&alg->stats.compress.err_cnt);
+
+ return nla_put(skb, CRYPTOCFGA_STAT_COMPRESS, sizeof(rcomp), &rcomp);
}
static int crypto_report_acomp(struct sk_buff *skb, struct crypto_alg *alg)
{
- struct crypto_stat racomp;
- u64 v64;
- u32 v32;
-
- strlcpy(racomp.type, "acomp", sizeof(racomp.type));
- v32 = atomic_read(&alg->compress_cnt);
- racomp.stat_compress_cnt = v32;
- v64 = atomic64_read(&alg->compress_tlen);
- racomp.stat_compress_tlen = v64;
- v32 = atomic_read(&alg->decompress_cnt);
- racomp.stat_decompress_cnt = v32;
- v64 = atomic64_read(&alg->decompress_tlen);
- racomp.stat_decompress_tlen = v64;
- v32 = atomic_read(&alg->cipher_err_cnt);
- racomp.stat_compress_err_cnt = v32;
-
- if (nla_put(skb, CRYPTOCFGA_STAT_ACOMP,
- sizeof(struct crypto_stat), &racomp))
- goto nla_put_failure;
- return 0;
+ struct crypto_stat_compress racomp;
-nla_put_failure:
- return -EMSGSIZE;
+ memset(&racomp, 0, sizeof(racomp));
+
+ strscpy(racomp.type, "acomp", sizeof(racomp.type));
+ racomp.stat_compress_cnt = atomic64_read(&alg->stats.compress.compress_cnt);
+ racomp.stat_compress_tlen = atomic64_read(&alg->stats.compress.compress_tlen);
+ racomp.stat_decompress_cnt = atomic64_read(&alg->stats.compress.decompress_cnt);
+ racomp.stat_decompress_tlen = atomic64_read(&alg->stats.compress.decompress_tlen);
+ racomp.stat_err_cnt = atomic64_read(&alg->stats.compress.err_cnt);
+
+ return nla_put(skb, CRYPTOCFGA_STAT_ACOMP, sizeof(racomp), &racomp);
}
static int crypto_report_akcipher(struct sk_buff *skb, struct crypto_alg *alg)
{
- struct crypto_stat rakcipher;
- u64 v64;
- u32 v32;
-
- strncpy(rakcipher.type, "akcipher", sizeof(rakcipher.type));
- v32 = atomic_read(&alg->encrypt_cnt);
- rakcipher.stat_encrypt_cnt = v32;
- v64 = atomic64_read(&alg->encrypt_tlen);
- rakcipher.stat_encrypt_tlen = v64;
- v32 = atomic_read(&alg->decrypt_cnt);
- rakcipher.stat_decrypt_cnt = v32;
- v64 = atomic64_read(&alg->decrypt_tlen);
- rakcipher.stat_decrypt_tlen = v64;
- v32 = atomic_read(&alg->sign_cnt);
- rakcipher.stat_sign_cnt = v32;
- v32 = atomic_read(&alg->verify_cnt);
- rakcipher.stat_verify_cnt = v32;
- v32 = atomic_read(&alg->akcipher_err_cnt);
- rakcipher.stat_akcipher_err_cnt = v32;
-
- if (nla_put(skb, CRYPTOCFGA_STAT_AKCIPHER,
- sizeof(struct crypto_stat), &rakcipher))
- goto nla_put_failure;
- return 0;
+ struct crypto_stat_akcipher rakcipher;
-nla_put_failure:
- return -EMSGSIZE;
+ memset(&rakcipher, 0, sizeof(rakcipher));
+
+ strscpy(rakcipher.type, "akcipher", sizeof(rakcipher.type));
+ rakcipher.stat_encrypt_cnt = atomic64_read(&alg->stats.akcipher.encrypt_cnt);
+ rakcipher.stat_encrypt_tlen = atomic64_read(&alg->stats.akcipher.encrypt_tlen);
+ rakcipher.stat_decrypt_cnt = atomic64_read(&alg->stats.akcipher.decrypt_cnt);
+ rakcipher.stat_decrypt_tlen = atomic64_read(&alg->stats.akcipher.decrypt_tlen);
+ rakcipher.stat_sign_cnt = atomic64_read(&alg->stats.akcipher.sign_cnt);
+ rakcipher.stat_verify_cnt = atomic64_read(&alg->stats.akcipher.verify_cnt);
+ rakcipher.stat_err_cnt = atomic64_read(&alg->stats.akcipher.err_cnt);
+
+ return nla_put(skb, CRYPTOCFGA_STAT_AKCIPHER,
+ sizeof(rakcipher), &rakcipher);
}
static int crypto_report_kpp(struct sk_buff *skb, struct crypto_alg *alg)
{
- struct crypto_stat rkpp;
- u32 v;
-
- strlcpy(rkpp.type, "kpp", sizeof(rkpp.type));
-
- v = atomic_read(&alg->setsecret_cnt);
- rkpp.stat_setsecret_cnt = v;
- v = atomic_read(&alg->generate_public_key_cnt);
- rkpp.stat_generate_public_key_cnt = v;
- v = atomic_read(&alg->compute_shared_secret_cnt);
- rkpp.stat_compute_shared_secret_cnt = v;
- v = atomic_read(&alg->kpp_err_cnt);
- rkpp.stat_kpp_err_cnt = v;
-
- if (nla_put(skb, CRYPTOCFGA_STAT_KPP,
- sizeof(struct crypto_stat), &rkpp))
- goto nla_put_failure;
- return 0;
+ struct crypto_stat_kpp rkpp;
-nla_put_failure:
- return -EMSGSIZE;
+ memset(&rkpp, 0, sizeof(rkpp));
+
+ strscpy(rkpp.type, "kpp", sizeof(rkpp.type));
+
+ rkpp.stat_setsecret_cnt = atomic64_read(&alg->stats.kpp.setsecret_cnt);
+ rkpp.stat_generate_public_key_cnt = atomic64_read(&alg->stats.kpp.generate_public_key_cnt);
+ rkpp.stat_compute_shared_secret_cnt = atomic64_read(&alg->stats.kpp.compute_shared_secret_cnt);
+ rkpp.stat_err_cnt = atomic64_read(&alg->stats.kpp.err_cnt);
+
+ return nla_put(skb, CRYPTOCFGA_STAT_KPP, sizeof(rkpp), &rkpp);
}
static int crypto_report_ahash(struct sk_buff *skb, struct crypto_alg *alg)
{
- struct crypto_stat rhash;
- u64 v64;
- u32 v32;
+ struct crypto_stat_hash rhash;
- strncpy(rhash.type, "ahash", sizeof(rhash.type));
+ memset(&rhash, 0, sizeof(rhash));
- v32 = atomic_read(&alg->hash_cnt);
- rhash.stat_hash_cnt = v32;
- v64 = atomic64_read(&alg->hash_tlen);
- rhash.stat_hash_tlen = v64;
- v32 = atomic_read(&alg->hash_err_cnt);
- rhash.stat_hash_err_cnt = v32;
+ strscpy(rhash.type, "ahash", sizeof(rhash.type));
- if (nla_put(skb, CRYPTOCFGA_STAT_HASH,
- sizeof(struct crypto_stat), &rhash))
- goto nla_put_failure;
- return 0;
+ rhash.stat_hash_cnt = atomic64_read(&alg->stats.hash.hash_cnt);
+ rhash.stat_hash_tlen = atomic64_read(&alg->stats.hash.hash_tlen);
+ rhash.stat_err_cnt = atomic64_read(&alg->stats.hash.err_cnt);
-nla_put_failure:
- return -EMSGSIZE;
+ return nla_put(skb, CRYPTOCFGA_STAT_HASH, sizeof(rhash), &rhash);
}
static int crypto_report_shash(struct sk_buff *skb, struct crypto_alg *alg)
{
- struct crypto_stat rhash;
- u64 v64;
- u32 v32;
+ struct crypto_stat_hash rhash;
- strncpy(rhash.type, "shash", sizeof(rhash.type));
+ memset(&rhash, 0, sizeof(rhash));
- v32 = atomic_read(&alg->hash_cnt);
- rhash.stat_hash_cnt = v32;
- v64 = atomic64_read(&alg->hash_tlen);
- rhash.stat_hash_tlen = v64;
- v32 = atomic_read(&alg->hash_err_cnt);
- rhash.stat_hash_err_cnt = v32;
+ strscpy(rhash.type, "shash", sizeof(rhash.type));
- if (nla_put(skb, CRYPTOCFGA_STAT_HASH,
- sizeof(struct crypto_stat), &rhash))
- goto nla_put_failure;
- return 0;
+ rhash.stat_hash_cnt = atomic64_read(&alg->stats.hash.hash_cnt);
+ rhash.stat_hash_tlen = atomic64_read(&alg->stats.hash.hash_tlen);
+ rhash.stat_err_cnt = atomic64_read(&alg->stats.hash.err_cnt);
-nla_put_failure:
- return -EMSGSIZE;
+ return nla_put(skb, CRYPTOCFGA_STAT_HASH, sizeof(rhash), &rhash);
}
static int crypto_report_rng(struct sk_buff *skb, struct crypto_alg *alg)
{
- struct crypto_stat rrng;
- u64 v64;
- u32 v32;
-
- strncpy(rrng.type, "rng", sizeof(rrng.type));
-
- v32 = atomic_read(&alg->generate_cnt);
- rrng.stat_generate_cnt = v32;
- v64 = atomic64_read(&alg->generate_tlen);
- rrng.stat_generate_tlen = v64;
- v32 = atomic_read(&alg->seed_cnt);
- rrng.stat_seed_cnt = v32;
- v32 = atomic_read(&alg->hash_err_cnt);
- rrng.stat_rng_err_cnt = v32;
-
- if (nla_put(skb, CRYPTOCFGA_STAT_RNG,
- sizeof(struct crypto_stat), &rrng))
- goto nla_put_failure;
- return 0;
+ struct crypto_stat_rng rrng;
-nla_put_failure:
- return -EMSGSIZE;
+ memset(&rrng, 0, sizeof(rrng));
+
+ strscpy(rrng.type, "rng", sizeof(rrng.type));
+
+ rrng.stat_generate_cnt = atomic64_read(&alg->stats.rng.generate_cnt);
+ rrng.stat_generate_tlen = atomic64_read(&alg->stats.rng.generate_tlen);
+ rrng.stat_seed_cnt = atomic64_read(&alg->stats.rng.seed_cnt);
+ rrng.stat_err_cnt = atomic64_read(&alg->stats.rng.err_cnt);
+
+ return nla_put(skb, CRYPTOCFGA_STAT_RNG, sizeof(rrng), &rrng);
}
static int crypto_reportstat_one(struct crypto_alg *alg,
struct crypto_user_alg *ualg,
struct sk_buff *skb)
{
- strlcpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name));
- strlcpy(ualg->cru_driver_name, alg->cra_driver_name,
+ memset(ualg, 0, sizeof(*ualg));
+
+ strscpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name));
+ strscpy(ualg->cru_driver_name, alg->cra_driver_name,
sizeof(ualg->cru_driver_name));
- strlcpy(ualg->cru_module_name, module_name(alg->cra_module),
+ strscpy(ualg->cru_module_name, module_name(alg->cra_module),
sizeof(ualg->cru_module_name));
ualg->cru_type = 0;
if (nla_put_u32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority))
goto nla_put_failure;
if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
- struct crypto_stat rl;
+ struct crypto_stat_larval rl;
- strlcpy(rl.type, "larval", sizeof(rl.type));
- if (nla_put(skb, CRYPTOCFGA_STAT_LARVAL,
- sizeof(struct crypto_stat), &rl))
+ memset(&rl, 0, sizeof(rl));
+ strscpy(rl.type, "larval", sizeof(rl.type));
+ if (nla_put(skb, CRYPTOCFGA_STAT_LARVAL, sizeof(rl), &rl))
goto nla_put_failure;
goto out;
}
return nlmsg_unicast(crypto_nlsk, skb, NETLINK_CB(in_skb).portid);
}
-int crypto_dump_reportstat(struct sk_buff *skb, struct netlink_callback *cb)
-{
- struct crypto_alg *alg;
- struct crypto_dump_info info;
- int err;
-
- if (cb->args[0])
- goto out;
-
- cb->args[0] = 1;
-
- info.in_skb = cb->skb;
- info.out_skb = skb;
- info.nlmsg_seq = cb->nlh->nlmsg_seq;
- info.nlmsg_flags = NLM_F_MULTI;
-
- list_for_each_entry(alg, &crypto_alg_list, cra_list) {
- err = crypto_reportstat_alg(alg, &info);
- if (err)
- goto out_err;
- }
-
-out:
- return skb->len;
-out_err:
- return err;
-}
-
-int crypto_dump_reportstat_done(struct netlink_callback *cb)
-{
- return 0;
-}
-
MODULE_LICENSE("GPL");
git.samba.org / sfrench / cifs-2.6.git / blobdiff