diff options
Diffstat (limited to 'crypto/proc.c')
| -rw-r--r-- | crypto/proc.c | 57 |
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); } |