cryptsetup-generator: allow overriding /run/systemd/cryptsetup with $RUNTIME_DIRECTORY

I added a fairly vague entry to docs/ENVIRONMENT because I think it is worth
mentioning there (in case someone is looking for any environment variable that
might be relevant).
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-11-13 12:06:58 +01:00
parent a6c57e74c5
commit 3f5ac3038e
2 changed files with 9 additions and 3 deletions

View file

@ -64,6 +64,10 @@ All tools:
this only controls use of Unicode emoji glyphs, and has no effect on other
Unicode glyphs.
* `$RUNTIME_DIRECTORY` — various tools use this variable to locate the
appropriate path under /run. This variable is also set by the manager when
RuntimeDirectory= is used, see systemd.exec(5).
systemctl:
* `$SYSTEMCTL_FORCE_BUS=1` — if set, do not connect to PID1's private D-Bus

View file

@ -38,6 +38,7 @@ static const char *arg_dest = NULL;
static bool arg_enabled = true;
static bool arg_read_crypttab = true;
static const char *arg_crypttab = NULL;
static const char *arg_runtime_directory = NULL;
static bool arg_whitelist = false;
static Hashmap *arg_disks = NULL;
static char *arg_default_options = NULL;
@ -90,11 +91,11 @@ static int generate_keydev_mount(const char *name, const char *keydev, const cha
assert(unit);
assert(mount);
r = mkdir_parents("/run/systemd/cryptsetup", 0755);
r = mkdir_parents(arg_runtime_directory, 0755);
if (r < 0)
return r;
r = mkdir("/run/systemd/cryptsetup", 0700);
r = mkdir(arg_runtime_directory, 0700);
if (r < 0 && errno != EEXIST)
return -errno;
@ -102,7 +103,7 @@ static int generate_keydev_mount(const char *name, const char *keydev, const cha
if (!name_escaped)
return -ENOMEM;
where = strjoin("/run/systemd/cryptsetup/keydev-", name_escaped);
where = strjoin(arg_runtime_directory, "/keydev-", name_escaped);
if (!where)
return -ENOMEM;
@ -670,6 +671,7 @@ static int run(const char *dest, const char *dest_early, const char *dest_late)
assert_se(arg_dest = dest);
arg_crypttab = getenv("SYSTEMD_CRYPTTAB") ?: "/etc/crypttab";
arg_runtime_directory = getenv("RUNTIME_DIRECTORY") ?: "/run/systemd/cryptsetup";
arg_disks = hashmap_new(&crypt_device_hash_ops);
if (!arg_disks)