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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-12 03:50:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-12 03:50:40 +0000
commitfc53809803cd2bc2434e312b19a18fa36776da12 (patch)
treeb4b43bd6538f51965ce32856e9c053d0f90919c8 /src/home/homework-password-cache.c
parentAdding upstream version 255.5. (diff)
downloadsystemd-fc53809803cd2bc2434e312b19a18fa36776da12.tar.xz
systemd-fc53809803cd2bc2434e312b19a18fa36776da12.zip
Adding upstream version 256.upstream/256
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/home/homework-password-cache.c')
-rw-r--r--src/home/homework-password-cache.c42
1 files changed, 17 insertions, 25 deletions
diff --git a/src/home/homework-password-cache.c b/src/home/homework-password-cache.c
index 00a0f69..b8202ef 100644
--- a/src/home/homework-password-cache.c
+++ b/src/home/homework-password-cache.c
@@ -9,49 +9,41 @@ void password_cache_free(PasswordCache *cache) {
if (!cache)
return;
+ cache->volume_key = erase_and_free(cache->volume_key);
cache->pkcs11_passwords = strv_free_erase(cache->pkcs11_passwords);
cache->fido2_passwords = strv_free_erase(cache->fido2_passwords);
- cache->keyring_passswords = strv_free_erase(cache->keyring_passswords);
}
void password_cache_load_keyring(UserRecord *h, PasswordCache *cache) {
- _cleanup_(erase_and_freep) void *p = NULL;
_cleanup_free_ char *name = NULL;
- char **strv;
+ _cleanup_(erase_and_freep) void *vk = NULL;
+ size_t vks;
key_serial_t serial;
- size_t sz;
int r;
assert(h);
assert(cache);
- /* Loads the password we need to for automatic resizing from the kernel keyring */
-
name = strjoin("homework-user-", h->user_name);
if (!name)
return (void) log_oom();
serial = request_key("user", name, NULL, 0);
- if (serial == -1)
- return (void) log_debug_errno(errno, "Failed to request key '%s', ignoring: %m", name);
-
- r = keyring_read(serial, &p, &sz);
+ if (serial == -1) {
+ if (errno == ENOKEY) {
+ log_info("Home volume key is not available in kernel keyring.");
+ return;
+ }
+ return (void) log_warning_errno(errno, "Failed to request key '%s', ignoring: %m", name);
+ }
+
+ r = keyring_read(serial, &vk, &vks);
if (r < 0)
- return (void) log_debug_errno(r, "Failed to read keyring key '%s', ignoring: %m", name);
-
- if (memchr(p, 0, sz))
- return (void) log_debug_errno(SYNTHETIC_ERRNO(EINVAL), "Cached password contains embedded NUL byte, ignoring.");
-
- strv = new(char*, 2);
- if (!strv)
- return (void) log_oom();
-
- strv[0] = TAKE_PTR(p); /* Note that keyring_read() will NUL terminate implicitly, hence we don't have
- * to NUL terminate manually here: it's a valid string. */
- strv[1] = NULL;
+ return (void) log_warning_errno(r, "Failed to read keyring key '%s', ignoring: %m", name);
- strv_free_erase(cache->keyring_passswords);
- cache->keyring_passswords = strv;
+ log_info("Successfully acquired home volume key from kernel keyring.");
- log_debug("Successfully acquired home key from kernel keyring.");
+ erase_and_free(cache->volume_key);
+ cache->volume_key = TAKE_PTR(vk);
+ cache->volume_key_size = vks;
}