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-rw-r--r--src/home/homework-password-cache.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/home/homework-password-cache.h b/src/home/homework-password-cache.h
new file mode 100644
index 0000000..fdfbcfe
--- /dev/null
+++ b/src/home/homework-password-cache.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "strv.h"
+#include "user-record.h"
+
+typedef struct PasswordCache {
+ /* Passwords acquired from the kernel keyring */
+ char **keyring_passswords;
+
+ /* Decoding passwords from security tokens is expensive and typically requires user interaction,
+ * hence cache any we already figured out. */
+ char **pkcs11_passwords;
+ char **fido2_passwords;
+} PasswordCache;
+
+void password_cache_free(PasswordCache *cache);
+
+static inline bool password_cache_contains(const PasswordCache *cache, const char *p) {
+ if (!cache)
+ return false;
+
+ return strv_contains(cache->pkcs11_passwords, p) ||
+ strv_contains(cache->fido2_passwords, p) ||
+ strv_contains(cache->keyring_passswords, p);
+}
+
+void password_cache_load_keyring(UserRecord *h, PasswordCache *cache);