libgcrypt/SOURCES/libgcrypt-1.8.3-fips-ctor.patch
2021-09-09 20:13:31 +00:00

61 lines
1.8 KiB
Diff

diff -up libgcrypt-1.8.3/src/global.c.fips-ctor libgcrypt-1.8.3/src/global.c
--- libgcrypt-1.8.3/src/global.c.fips-ctor 2017-11-23 19:25:58.000000000 +0100
+++ libgcrypt-1.8.3/src/global.c 2020-04-17 16:29:59.258218015 +0200
@@ -141,6 +141,34 @@ global_init (void)
}
+#ifndef FIPS_MODULE_PATH
+#define FIPS_MODULE_PATH "/etc/system-fips"
+#endif
+
+void __attribute__ ((constructor)) _gcry_global_constructor (void)
+{
+ int rv;
+
+ rv = access (FIPS_MODULE_PATH, F_OK);
+ if (rv < 0 && errno != ENOENT)
+ rv = 0;
+
+ if (!rv)
+ {
+ int no_secmem_save;
+
+ /* it should be always 0 at this point but let's keep on the safe side */
+ no_secmem_save = no_secure_memory;
+ no_secure_memory = 1;
+ /* force selftests */
+ global_init();
+ _gcry_fips_run_selftests (0);
+ if (!fips_mode())
+ _gcry_random_close_fds ();
+ no_secure_memory = no_secmem_save;
+ }
+}
+
/* This function is called by the macro fips_is_operational and makes
sure that the minimal initialization has been done. This is far
from a perfect solution and hides problems with an improper
@@ -671,8 +699,7 @@ _gcry_vcontrol (enum gcry_ctl_cmds cmd,
case GCRYCTL_FIPS_MODE_P:
if (fips_mode ()
- && !_gcry_is_fips_mode_inactive ()
- && !no_secure_memory)
+ && !_gcry_is_fips_mode_inactive ())
rc = GPG_ERR_GENERAL; /* Used as TRUE value */
break;
@@ -749,9 +776,9 @@ _gcry_vcontrol (enum gcry_ctl_cmds cmd,
break;
case GCRYCTL_SET_ENFORCED_FIPS_FLAG:
- if (!any_init_done)
+ if (fips_mode ())
{
- /* Not yet initialized at all. Set the enforced fips mode flag */
+ /* We are in FIPS mode, we can set the enforced fips mode flag. */
_gcry_set_preferred_rng_type (0);
_gcry_set_enforced_fips_mode ();
}