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Add crypt_token_external_path.

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This commit is contained in:
Ondrej Kozina
2021-06-25 15:46:30 +02:00
committed by Milan Broz
parent 5b9e98f941
commit aea841eeb0
3 changed files with 14 additions and 1 deletions
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7
lib/libcryptsetup.h
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@@ -2261,6 +2261,13 @@ int crypt_token_register(const crypt_token_handler *handler);
*/
int crypt_token_external_support(void);
/**
* Report configured path where library searches for external token handlers
*
* @return @e absolute path when external tokens are enabled or @e NULL otherwise.
*/
const char *crypt_token_external_path(void);
/**
* Disable external token handlers (plugins) support
* If disabled, it cannot be enabled again.

1
lib/libcryptsetup.sym
View File

@@ -144,4 +144,5 @@ CRYPTSETUP_2.4 {
crypt_format;
crypt_token_external_support;
crypt_token_external_disable;
crypt_token_external_path;
} CRYPTSETUP_2.0;

7
lib/luks2/luks2_token.c
View File

@@ -54,6 +54,11 @@ int crypt_token_external_support(void)
return external_tokens_enabled ? 0 : -ENOTSUP;
}
const char *crypt_token_external_path(void)
{
return external_tokens_enabled ? EXTERNAL_LUKS2_TOKENS_PATH : NULL;
}
#if USE_EXTERNAL_TOKENS
static void *token_dlvsym(struct crypt_device *cd,
void *handle,
@@ -147,7 +152,7 @@ crypt_token_load_external(struct crypt_device *cd, const char *name, struct cryp
token = &ret->u.v2;
r = snprintf(buf, sizeof(buf), "%s/libcryptsetup-token-%s.so", EXTERNAL_LUKS2_TOKENS_PATH, name);
r = snprintf(buf, sizeof(buf), "%s/libcryptsetup-token-%s.so", crypt_token_external_path(), name);
if (r < 0 || (size_t)r >= sizeof(buf))
return -EINVAL;