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-rw-r--r--crypto/crypto_user_stat.c335
1 files changed, 0 insertions, 335 deletions
diff --git a/crypto/crypto_user_stat.c b/crypto/crypto_user_stat.c
deleted file mode 100644
index 154884bf9275..000000000000
--- a/crypto/crypto_user_stat.c
+++ /dev/null
@@ -1,335 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Crypto user configuration API.
- *
- * Copyright (C) 2017-2018 Corentin Labbe <clabbe@baylibre.com>
- *
- */
-
-#include <linux/crypto.h>
-#include <linux/cryptouser.h>
-#include <linux/sched.h>
-#include <net/netlink.h>
-#include <net/sock.h>
-#include <crypto/internal/skcipher.h>
-#include <crypto/internal/rng.h>
-#include <crypto/akcipher.h>
-#include <crypto/kpp.h>
-#include <crypto/internal/cryptouser.h>
-
-#include "internal.h"
-
-#define null_terminated(x) (strnlen(x, sizeof(x)) < sizeof(x))
-
-struct crypto_dump_info {
- struct sk_buff *in_skb;
- struct sk_buff *out_skb;
- u32 nlmsg_seq;
- u16 nlmsg_flags;
-};
-
-static int crypto_report_aead(struct sk_buff *skb, struct crypto_alg *alg)
-{
- struct crypto_stat_aead raead;
-
- 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_cipher rcipher;
-
- 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_compress rcomp;
-
- 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_compress racomp;
-
- 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_akcipher rakcipher;
-
- 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_kpp rkpp;
-
- 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_hash rhash;
-
- memset(&rhash, 0, sizeof(rhash));
-
- strscpy(rhash.type, "ahash", sizeof(rhash.type));
-
- 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);
-
- 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_hash rhash;
-
- memset(&rhash, 0, sizeof(rhash));
-
- strscpy(rhash.type, "shash", sizeof(rhash.type));
-
- 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);
-
- 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_rng rrng;
-
- 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)
-{
- 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));
- strscpy(ualg->cru_module_name, module_name(alg->cra_module),
- sizeof(ualg->cru_module_name));
-
- ualg->cru_type = 0;
- ualg->cru_mask = 0;
- ualg->cru_flags = alg->cra_flags;
- ualg->cru_refcnt = refcount_read(&alg->cra_refcnt);
-
- 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_larval 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;
- }
-
- switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) {
- case CRYPTO_ALG_TYPE_AEAD:
- if (crypto_report_aead(skb, alg))
- goto nla_put_failure;
- break;
- case CRYPTO_ALG_TYPE_SKCIPHER:
- if (crypto_report_cipher(skb, alg))
- goto nla_put_failure;
- break;
- case CRYPTO_ALG_TYPE_CIPHER:
- if (crypto_report_cipher(skb, alg))
- goto nla_put_failure;
- break;
- case CRYPTO_ALG_TYPE_COMPRESS:
- if (crypto_report_comp(skb, alg))
- goto nla_put_failure;
- break;
- case CRYPTO_ALG_TYPE_ACOMPRESS:
- if (crypto_report_acomp(skb, alg))
- goto nla_put_failure;
- break;
- case CRYPTO_ALG_TYPE_SCOMPRESS:
- if (crypto_report_acomp(skb, alg))
- goto nla_put_failure;
- break;
- case CRYPTO_ALG_TYPE_AKCIPHER:
- if (crypto_report_akcipher(skb, alg))
- goto nla_put_failure;
- break;
- case CRYPTO_ALG_TYPE_KPP:
- if (crypto_report_kpp(skb, alg))
- goto nla_put_failure;
- break;
- case CRYPTO_ALG_TYPE_AHASH:
- if (crypto_report_ahash(skb, alg))
- goto nla_put_failure;
- break;
- case CRYPTO_ALG_TYPE_HASH:
- if (crypto_report_shash(skb, alg))
- goto nla_put_failure;
- break;
- case CRYPTO_ALG_TYPE_RNG:
- if (crypto_report_rng(skb, alg))
- goto nla_put_failure;
- break;
- default:
- pr_err("ERROR: Unhandled alg %d in %s\n",
- alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL),
- __func__);
- }
-
-out:
- return 0;
-
-nla_put_failure:
- return -EMSGSIZE;
-}
-
-static int crypto_reportstat_alg(struct crypto_alg *alg,
- struct crypto_dump_info *info)
-{
- struct sk_buff *in_skb = info->in_skb;
- struct sk_buff *skb = info->out_skb;
- struct nlmsghdr *nlh;
- struct crypto_user_alg *ualg;
- int err = 0;
-
- nlh = nlmsg_put(skb, NETLINK_CB(in_skb).portid, info->nlmsg_seq,
- CRYPTO_MSG_GETSTAT, sizeof(*ualg), info->nlmsg_flags);
- if (!nlh) {
- err = -EMSGSIZE;
- goto out;
- }
-
- ualg = nlmsg_data(nlh);
-
- err = crypto_reportstat_one(alg, ualg, skb);
- if (err) {
- nlmsg_cancel(skb, nlh);
- goto out;
- }
-
- nlmsg_end(skb, nlh);
-
-out:
- return err;
-}
-
-int crypto_reportstat(struct sk_buff *in_skb, struct nlmsghdr *in_nlh,
- struct nlattr **attrs)
-{
- struct net *net = sock_net(in_skb->sk);
- struct crypto_user_alg *p = nlmsg_data(in_nlh);
- struct crypto_alg *alg;
- struct sk_buff *skb;
- struct crypto_dump_info info;
- int err;
-
- if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name))
- return -EINVAL;
-
- alg = crypto_alg_match(p, 0);
- if (!alg)
- return -ENOENT;
-
- err = -ENOMEM;
- skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
- if (!skb)
- goto drop_alg;
-
- info.in_skb = in_skb;
- info.out_skb = skb;
- info.nlmsg_seq = in_nlh->nlmsg_seq;
- info.nlmsg_flags = 0;
-
- err = crypto_reportstat_alg(alg, &info);
-
-drop_alg:
- crypto_mod_put(alg);
-
- if (err) {
- kfree_skb(skb);
- return err;
- }
-
- return nlmsg_unicast(net->crypto_nlsk, skb, NETLINK_CB(in_skb).portid);
-}
-
-MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2025-12-21 18:59:57 +0000