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-rw-r--r--src/firstboot/firstboot.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/firstboot/firstboot.c b/src/firstboot/firstboot.c
index 57173a5669..6abffc528f 100644
--- a/src/firstboot/firstboot.c
+++ b/src/firstboot/firstboot.c
@@ -530,7 +530,6 @@ static int write_root_shadow(const char *path, const struct spwd *p) {
assert(path);
assert(p);
- mkdir_parents(path, 0755);
RUN_WITH_UMASK(0777)
f = fopen(path, "wex");
if (!f)
@@ -560,6 +559,8 @@ static int process_root_password(void) {
.sp_expire = -1,
.sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */
};
+
+ _cleanup_close_ int lock = -1;
char salt[3+16+1+1];
uint8_t raw[16];
unsigned i;
@@ -572,6 +573,12 @@ static int process_root_password(void) {
if (faccessat(AT_FDCWD, etc_shadow, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
return 0;
+ mkdir_parents(etc_shadow, 0755);
+
+ lock = take_password_lock(arg_root);
+ if (lock < 0)
+ return lock;
+
if (arg_copy_root_password && arg_root) {
struct spwd *p;