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Add commandline option --tcrypt-backup to access TCRYPT backup header.

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This commit is contained in:
Milan Broz
2013-10-29 20:35:07 +01:00
parent 53607a0274
commit da93a3320b
2 changed files with 15 additions and 4 deletions
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12
src/cryptsetup.c
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@@ -60,6 +60,7 @@ static int opt_allow_discards = 0;
static int opt_test_passphrase = 0;
static int opt_tcrypt_hidden = 0;
static int opt_tcrypt_system = 0;
static int opt_tcrypt_backup = 0;
static const char **action_argv;
static int action_argc;
@@ -239,6 +240,9 @@ static int action_open_tcrypt(void)
if (opt_tcrypt_system)
params.flags |= CRYPT_TCRYPT_SYSTEM_HEADER;
if (opt_tcrypt_backup)
params.flags |= CRYPT_TCRYPT_BACKUP_HEADER;
r = crypt_load(cd, CRYPT_TCRYPT, &params);
check_signal(&r);
if (r < 0)
@@ -326,6 +330,9 @@ static int action_tcryptDump(void)
if (opt_tcrypt_system)
params.flags |= CRYPT_TCRYPT_SYSTEM_HEADER;
if (opt_tcrypt_backup)
params.flags |= CRYPT_TCRYPT_BACKUP_HEADER;
r = crypt_load(cd, CRYPT_TCRYPT, &params);
check_signal(&r);
if (r < 0)
@@ -1390,6 +1397,7 @@ int main(int argc, const char **argv)
{ "test-passphrase", '\0', POPT_ARG_NONE, &opt_test_passphrase, 0, N_("Do not activate device, just check passphrase."), NULL },
{ "tcrypt-hidden", '\0', POPT_ARG_NONE, &opt_tcrypt_hidden, 0, N_("Use hidden header (hidden TCRYPT device)."), NULL },
{ "tcrypt-system", '\0', POPT_ARG_NONE, &opt_tcrypt_system, 0, N_("Device is system TCRYPT drive (with bootloader)."), NULL },
{ "tcrypt-backup", '\0', POPT_ARG_NONE, &opt_tcrypt_backup, 0, N_("Use backup (secondary) TCRYPT header."), NULL },
{ "type", 'M', POPT_ARG_STRING, &opt_type, 0, N_("Type of device metadata: luks, plain, loopaes, tcrypt."), NULL },
{ "force-password", '\0', POPT_ARG_NONE, &opt_force_password, 0, N_("Disable password quality check (if enabled)."), NULL },
POPT_TABLEEND
@@ -1591,10 +1599,10 @@ int main(int argc, const char **argv)
_("Option --offset is supported only for open of plain and loopaes devices.\n"),
poptGetInvocationName(popt_context));
if ((opt_tcrypt_hidden || opt_tcrypt_system) && strcmp(aname, "tcryptDump") &&
if ((opt_tcrypt_hidden || opt_tcrypt_system || opt_tcrypt_backup) && strcmp(aname, "tcryptDump") &&
(strcmp(aname, "open") || strcmp(opt_type, "tcrypt")))
usage(popt_context, EXIT_FAILURE,
_("Option --tcrypt-hidden or --tcrypt-system is supported only for TCRYPT device.\n"),
_("Option --tcrypt-hidden, --tcrypt-system or --tcrypt-backup is supported only for TCRYPT device.\n"),
poptGetInvocationName(popt_context));
if (opt_debug) {