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-rw-r--r--crypto/proc.c79
1 files changed, 12 insertions, 67 deletions
diff --git a/crypto/proc.c b/crypto/proc.c
index 4a0a7aad2204..82f15b967e85 100644
--- a/crypto/proc.c
+++ b/crypto/proc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Scatterlist Cryptographic API.
*
@@ -5,62 +6,18 @@
*
* Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
* Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au>
- *
- * 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.
- *
*/
#include <linux/atomic.h>
#include <linux/init.h>
#include <linux/crypto.h>
+#include <linux/fips.h>
#include <linux/module.h> /* for module_name() */
#include <linux/rwsem.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-#include <linux/sysctl.h>
#include "internal.h"
-#ifdef CONFIG_CRYPTO_FIPS
-static struct ctl_table crypto_sysctl_table[] = {
- {
- .procname = "fips_enabled",
- .data = &fips_enabled,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = proc_dointvec
- },
- {}
-};
-
-static struct ctl_table crypto_dir_table[] = {
- {
- .procname = "crypto",
- .mode = 0555,
- .child = crypto_sysctl_table
- },
- {}
-};
-
-static struct ctl_table_header *crypto_sysctls;
-
-static void crypto_proc_fips_init(void)
-{
- crypto_sysctls = register_sysctl_table(crypto_dir_table);
-}
-
-static void crypto_proc_fips_exit(void)
-{
- if (crypto_sysctls)
- unregister_sysctl_table(crypto_sysctls);
-}
-#else
-#define crypto_proc_fips_init()
-#define crypto_proc_fips_exit()
-#endif
-
static void *c_start(struct seq_file *m, loff_t *pos)
{
down_read(&crypto_alg_sem);
@@ -80,15 +37,20 @@ static void c_stop(struct seq_file *m, void *p)
static int c_show(struct seq_file *m, void *p)
{
struct crypto_alg *alg = list_entry(p, struct crypto_alg, cra_list);
-
+
seq_printf(m, "name : %s\n", alg->cra_name);
seq_printf(m, "driver : %s\n", alg->cra_driver_name);
seq_printf(m, "module : %s\n", module_name(alg->cra_module));
seq_printf(m, "priority : %d\n", alg->cra_priority);
- seq_printf(m, "refcnt : %d\n", atomic_read(&alg->cra_refcnt));
+ seq_printf(m, "refcnt : %u\n", refcount_read(&alg->cra_refcnt));
seq_printf(m, "selftest : %s\n",
(alg->cra_flags & CRYPTO_ALG_TESTED) ?
"passed" : "unknown");
+ seq_printf(m, "internal : %s\n",
+ str_yes_no(alg->cra_flags & CRYPTO_ALG_INTERNAL));
+ if (fips_enabled)
+ seq_printf(m, "fips : %s\n",
+ str_no_yes(alg->cra_flags & CRYPTO_ALG_FIPS_INTERNAL));
if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
seq_printf(m, "type : larval\n");
@@ -100,8 +62,8 @@ static int c_show(struct seq_file *m, void *p)
alg->cra_type->show(m, alg);
goto out;
}
-
- switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) {
+
+ switch (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) {
case CRYPTO_ALG_TYPE_CIPHER:
seq_printf(m, "type : cipher\n");
seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
@@ -110,9 +72,6 @@ static int c_show(struct seq_file *m, void *p)
seq_printf(m, "max keysize : %u\n",
alg->cra_cipher.cia_max_keysize);
break;
- case CRYPTO_ALG_TYPE_COMPRESS:
- seq_printf(m, "type : compression\n");
- break;
default:
seq_printf(m, "type : unknown\n");
break;
@@ -130,26 +89,12 @@ static const struct seq_operations crypto_seq_ops = {
.show = c_show
};
-static int crypto_info_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &crypto_seq_ops);
-}
-
-static const struct file_operations proc_crypto_ops = {
- .open = crypto_info_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release
-};
-
void __init crypto_init_proc(void)
{
- proc_create("crypto", 0, NULL, &proc_crypto_ops);
- crypto_proc_fips_init();
+ proc_create_seq("crypto", 0, NULL, &crypto_seq_ops);
}
void __exit crypto_exit_proc(void)
{
- crypto_proc_fips_exit();
remove_proc_entry("crypto", NULL);
}