+static int parse_proc_cmdline(void) {
+ char *line, *w, *state;
+ int r;
+ size_t l;
+
+ if (detect_container(NULL) > 0)
+ return 0;
+
+ 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) {
+ char *word;
+
+ word = strndup(w, l);
+ if (!word) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ 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=")) {
+ char **t;
+
+ t = strv_append(arg_proc_cmdline_disks, word + 10);
+ if (!t) {
+ log_error("Out of memory");
+ r = -ENOMEM;
+ goto finish;
+ }
+ strv_free(arg_proc_cmdline_disks);
+ arg_proc_cmdline_disks = t;
+
+ } else if (startswith(word, "rd.luks.uuid=")) {
+
+ if (in_initrd()) {
+ char **t;
+
+ t = strv_append(arg_proc_cmdline_disks, word + 13);
+ if (!t) {
+ log_error("Out of memory");
+ r = -ENOMEM;
+ goto finish;
+ }
+ strv_free(arg_proc_cmdline_disks);
+ arg_proc_cmdline_disks = t;
+ }
+
+ } else if (startswith(word, "luks.") ||
+ (in_initrd() && startswith(word, "rd.luks."))) {
+
+ log_warning("Unknown kernel switch %s. Ignoring.", word);
+ }
+
+ free(word);
+ }
+
+ r = 0;
+
+finish:
+ free(line);
+ return r;
+}
+