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Fix few bugs in previous commit.

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- crypt_token_register must not be called from withing crypt_token_load
(see later commits)

- minor bug in dlvsym/dlerror handling

- check for overflow in LUKS2_token_handler_type
This commit is contained in:
Ondrej Kozina
2020-03-04 17:57:16 +01:00
committed by Milan Broz
parent 2178461c89
commit f677bdc12f
1 changed files with 7 additions and 7 deletions
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14
lib/luks2/luks2_token.c
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@@ -67,12 +67,7 @@ static const crypt_token_handler
token = dlvsym(handle, CRYPT_TOKEN_ABI_HANDLER, CRYPT_TOKEN_ABI_VERSION1);
error = dlerror();
if (error) {
log_dbg(NULL, "%s", dlerror());
dlclose(handle);
return NULL;
}
if (crypt_token_register(token) < 0) {
log_dbg(NULL, "%s", error);
dlclose(handle);
return NULL;
}
@@ -144,10 +139,15 @@ static const crypt_token_handler
if (!strcmp(token_handlers[i].h->name, type))
return token_handlers[i].h;
if (i >= LUKS2_TOKENS_MAX)
return NULL;
if (is_builtin_candidate(type))
return NULL;
return crypt_token_load_external(type);
token_handlers[i].h = crypt_token_load_external(type);
return token_handlers[i].h;
}
static const crypt_token_handler