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Change external token handlers (plugins) default location.

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Search for token handlers in %{libdir}/cryptsetup directory
by default. Distros may change default location via
--with-luks2-external-tokens-path parameter during configuration.
This commit is contained in:
Ondrej Kozina
2021-06-23 16:45:45 +02:00
parent c645045adb
commit 5b9e98f941
4 changed files with 17 additions and 3 deletions
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6
lib/luks2/luks2_token.c
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@@ -131,7 +131,7 @@ crypt_token_load_external(struct crypt_device *cd, const char *name, struct cryp
#if USE_EXTERNAL_TOKENS
struct crypt_token_handler_v2 *token;
void *h;
char buf[512];
char buf[PATH_MAX];
int r;
if (!external_tokens_enabled)
@@ -147,10 +147,12 @@ crypt_token_load_external(struct crypt_device *cd, const char *name, struct cryp
token = &ret->u.v2;
r = snprintf(buf, sizeof(buf), "libcryptsetup-token-%s.so", name);
r = snprintf(buf, sizeof(buf), "%s/libcryptsetup-token-%s.so", EXTERNAL_LUKS2_TOKENS_PATH, name);
if (r < 0 || (size_t)r >= sizeof(buf))
return -EINVAL;
assert(*buf == '/');
log_dbg(cd, "Trying to load %s.", buf);
h = dlopen(buf, RTLD_LAZY);