diff options
| -rw-r--r-- | sys/geom/eli/g_eli.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sys/geom/eli/g_eli.c b/sys/geom/eli/g_eli.c index 01c3b53..9615621 100644 --- a/sys/geom/eli/g_eli.c +++ b/sys/geom/eli/g_eli.c @@ -99,6 +99,25 @@ SYSCTL_UINT(_kern_geom_eli, OID_AUTO, boot_passcache, CTLFLAG_RD, &g_eli_boot_passcache, 0, "Passphrases are cached during boot process for possible reuse"); static void +fetch_loader_passphrase(void * dummy) +{ + char * env_passphrase; + + KASSERT(dynamic_kenv, ("need dynamic kenv")); + + if ((env_passphrase = getenv("kern.geom.eli.passphrase")) != NULL) { + /* Extract passphrase from the environment. */ + strlcpy(cached_passphrase, env_passphrase, + sizeof(cached_passphrase)); + freeenv(env_passphrase); + + /* Wipe the passphrase from the environment. */ + unsetenv("kern.geom.eli.passphrase"); + } +} +SYSINIT(geli_fetch_loader_passphrase, SI_SUB_KMEM + 1, SI_ORDER_ANY, + fetch_loader_passphrase, NULL); +static void zero_boot_passcache(void * dummy) { |
