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-rw-r--r--crypto/proc.c57
1 files changed, 55 insertions, 2 deletions
diff --git a/crypto/proc.c b/crypto/proc.c
index 02ff5670c158..37a13d05636d 100644
--- a/crypto/proc.c
+++ b/crypto/proc.c
@@ -19,8 +19,53 @@
#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[] = {
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "fips_enabled",
+ .data = &fips_enabled,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec
+ },
+ {
+ .ctl_name = 0,
+ },
+};
+
+static struct ctl_table crypto_dir_table[] = {
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "crypto",
+ .mode = 0555,
+ .child = crypto_sysctl_table
+ },
+ {
+ .ctl_name = 0,
+ },
+};
+
+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);
@@ -46,8 +91,11 @@ static int c_show(struct seq_file *m, void *p)
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, "selftest : %s\n",
+ (alg->cra_flags & CRYPTO_ALG_TESTED) ?
+ "passed" : "unknown");
- switch (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) {
+ switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) {
case CRYPTO_ALG_TYPE_CIPHER:
seq_printf(m, "type : cipher\n");
seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
@@ -67,7 +115,10 @@ static int c_show(struct seq_file *m, void *p)
seq_printf(m, "type : compression\n");
break;
default:
- if (alg->cra_type && alg->cra_type->show)
+ if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
+ seq_printf(m, "type : larval\n");
+ seq_printf(m, "flags : 0x%x\n", alg->cra_flags);
+ } else if (alg->cra_type && alg->cra_type->show)
alg->cra_type->show(m, alg);
else
seq_printf(m, "type : unknown\n");
@@ -100,9 +151,11 @@ static const struct file_operations proc_crypto_ops = {
void __init crypto_init_proc(void)
{
proc_create("crypto", 0, NULL, &proc_crypto_ops);
+ crypto_proc_fips_init();
}
void __exit crypto_exit_proc(void)
{
+ crypto_proc_fips_exit();
remove_proc_entry("crypto", NULL);
}