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cryptsetup: optionally turn off token module support in libcryptsetup

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This is useful for debugging purposes.
This commit is contained in:
Lennart Poettering
2021-10-08 18:26:12 +02:00
parent 92828080fb
commit 64c590fb06
1 changed files with 11 additions and 1 deletions
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12
src/cryptsetup/cryptsetup.c
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@@ -18,6 +18,7 @@
#include "cryptsetup-util.h"
#include "device-util.h"
#include "efi-loader.h"
#include "env-util.h"
#include "escape.h"
#include "fileio.h"
#include "fs-util.h"
@@ -738,7 +739,16 @@ static int make_security_device_monitor(sd_event *event, sd_device_monitor **ret
static bool libcryptsetup_plugins_support(void) {
#if HAVE_LIBCRYPTSETUP_PLUGINS
return crypt_token_external_path() != NULL;
int r;
/* Permit a way to disable libcryptsetup token module support, for debugging purposes. */
r = getenv_bool("SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE");
if (r < 0 && r != -ENXIO)
log_debug_errno(r, "Failed to parse $SYSTEMD_CRYPTSETUP_USE_TOKEN_MODULE env var: %m");
if (r == 0)
return false;
return crypt_token_external_path();
#else
return false;
#endif