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Diffstat (limited to 'src/gpt-auto-generator/gpt-auto-generator.c')
-rw-r--r--src/gpt-auto-generator/gpt-auto-generator.c53
1 files changed, 35 insertions, 18 deletions
diff --git a/src/gpt-auto-generator/gpt-auto-generator.c b/src/gpt-auto-generator/gpt-auto-generator.c
index f993c5d1e2..e506f39521 100644
--- a/src/gpt-auto-generator/gpt-auto-generator.c
+++ b/src/gpt-auto-generator/gpt-auto-generator.c
@@ -54,7 +54,7 @@ static bool arg_enabled = true;
static bool arg_root_enabled = true;
static bool arg_root_rw = false;
-static int add_cryptsetup(const char *id, const char *what, bool rw, char **device) {
+static int add_cryptsetup(const char *id, const char *what, bool rw, bool require, char **device) {
_cleanup_free_ char *e = NULL, *n = NULL, *p = NULL, *d = NULL, *to = NULL;
_cleanup_fclose_ FILE *f = NULL;
char *from, *ret;
@@ -62,7 +62,6 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi
assert(id);
assert(what);
- assert(device);
r = unit_name_from_path(what, ".device", &d);
if (r < 0)
@@ -119,23 +118,26 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi
if (symlink(from, to) < 0)
return log_error_errno(errno, "Failed to create symlink %s: %m", to);
- free(to);
- to = strjoin(arg_dest, "/cryptsetup.target.requires/", n);
- if (!to)
- return log_oom();
+ if (require) {
+ free(to);
- mkdir_parents_label(to, 0755);
- if (symlink(from, to) < 0)
- return log_error_errno(errno, "Failed to create symlink %s: %m", to);
+ to = strjoin(arg_dest, "/cryptsetup.target.requires/", n);
+ if (!to)
+ return log_oom();
- free(to);
- to = strjoin(arg_dest, "/dev-mapper-", e, ".device.requires/", n);
- if (!to)
- return log_oom();
+ mkdir_parents_label(to, 0755);
+ if (symlink(from, to) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", to);
- mkdir_parents_label(to, 0755);
- if (symlink(from, to) < 0)
- return log_error_errno(errno, "Failed to create symlink %s: %m", to);
+ free(to);
+ to = strjoin(arg_dest, "/dev-mapper-", e, ".device.requires/", n);
+ if (!to)
+ return log_oom();
+
+ mkdir_parents_label(to, 0755);
+ if (symlink(from, to) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", to);
+ }
free(p);
p = strjoin(arg_dest, "/dev-mapper-", e, ".device.d/50-job-timeout-sec-0.conf");
@@ -155,7 +157,8 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi
if (!ret)
return log_oom();
- *device = ret;
+ if (device)
+ *device = ret;
return 0;
}
@@ -182,7 +185,7 @@ static int add_mount(
if (streq_ptr(fstype, "crypto_LUKS")) {
- r = add_cryptsetup(id, what, rw, &crypto_what);
+ r = add_cryptsetup(id, what, rw, true, &crypto_what);
if (r < 0)
return r;
@@ -938,6 +941,16 @@ static int parse_proc_cmdline_item(const char *key, const char *value, void *dat
return 0;
}
+#ifdef ENABLE_EFI
+static int add_root_cryptsetup(void) {
+
+ /* If a device /dev/gpt-auto-root-luks appears, then make it pull in systemd-cryptsetup-root.service, which
+ * sets it up, and causes /dev/gpt-auto-root to appear which is all we are looking for. */
+
+ return add_cryptsetup("root", "/dev/gpt-auto-root-luks", true, false, NULL);
+}
+#endif
+
static int add_root_mount(void) {
#ifdef ENABLE_EFI
@@ -963,6 +976,10 @@ static int add_root_mount(void) {
r = generator_write_initrd_root_device_deps(arg_dest, "/dev/gpt-auto-root");
if (r < 0)
return 0;
+
+ r = add_root_cryptsetup();
+ if (r < 0)
+ return r;
}
return add_mount(