+ r = read_one_line_file("/proc/cmdline", &line);
+ if (r < 0) {
+ log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
+ return 0;
+ }
+
+ FOREACH_WORD_QUOTED(w, l, line, state) {
+ _cleanup_free_ char *word = NULL;
+
+ word = strndup(w, l);
+ if (!word)
+ return log_oom();
+
+ if (startswith(word, "luks=")) {
+ r = parse_boolean(word + 5);
+ if (r < 0)
+ log_warning("Failed to parse luks switch %s. Ignoring.", word + 5);
+ else
+ arg_enabled = r;
+
+ } else if (startswith(word, "rd.luks=")) {
+
+ if (in_initrd()) {
+ r = parse_boolean(word + 8);
+ if (r < 0)
+ log_warning("Failed to parse luks switch %s. Ignoring.", word + 8);
+ else
+ arg_enabled = r;
+ }
+
+ } else if (startswith(word, "luks.crypttab=")) {
+ r = parse_boolean(word + 14);
+ if (r < 0)
+ log_warning("Failed to parse luks crypttab switch %s. Ignoring.", word + 14);
+ else
+ arg_read_crypttab = r;
+
+ } else if (startswith(word, "rd.luks.crypttab=")) {
+
+ if (in_initrd()) {
+ r = parse_boolean(word + 17);
+ if (r < 0)
+ log_warning("Failed to parse luks crypttab switch %s. Ignoring.", word + 17);
+ else
+ arg_read_crypttab = r;
+ }
+
+ } else if (startswith(word, "luks.uuid=")) {
+ if (strv_extend(arg_proc_cmdline_disks, word + 10) < 0)
+ return log_oom();
+
+ } else if (startswith(word, "rd.luks.uuid=")) {
+
+ if (in_initrd()) {
+ if (strv_extend(arg_proc_cmdline_disks, word + 13) < 0)
+ return log_oom();
+ }
+
+ } else if (startswith(word, "luks.key=")) {
+ *arg_proc_cmdline_keyfile = strdup(word + 9);
+ if (!*arg_proc_cmdline_keyfile)
+ return log_oom();
+
+ } else if (startswith(word, "rd.luks.key=")) {
+
+ if (in_initrd()) {
+ if (*arg_proc_cmdline_keyfile)
+ free(*arg_proc_cmdline_keyfile);
+ *arg_proc_cmdline_keyfile = strdup(word + 12);
+ if (!*arg_proc_cmdline_keyfile)
+ return log_oom();
+ }
+
+ } else if (startswith(word, "luks.") ||
+ (in_initrd() && startswith(word, "rd.luks."))) {
+
+ log_warning("Unknown kernel switch %s. Ignoring.", word);
+ }
+ }
+
+ strv_uniq(*arg_proc_cmdline_disks);
+
+ return 0;