Elsewhere)</ulink>.</para>
</refsect1>
+ <refsect1>
+ <title>Kernel Command Line</title>
+
+ <para><filename>systemd-getty-generator</filename> understands the following
+ <citerefentry><refentrytitle>kernel-command-line</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ parameters:</para>
+
+ <variablelist class='kernel-commandline-options'>
+ <varlistentry>
+ <term><varname>systemd.getty_auto=</varname></term>
+
+ <listitem><para>this options take an optional boolean argument, and default to yes.
+ The generator is enabled by default, and a false value may be used to disable it.
+ </para></listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>Environment</title>
+
+ <variablelist class='environment-variables'>
+ <varlistentry>
+ <term><varname>$SYSTEMD_GETTY_AUTO</varname></term>
+
+ <listitem><para>This variable takes an optional boolean argument, and default to yes.
+ The generator is enabled by default, and a false value may be used to disable it.
+ </para></listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
<refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>kernel-command-line</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
<citerefentry project='man-pages'><refentrytitle>agetty</refentrytitle><manvolnum>8</manvolnum></citerefentry>
</para>
</refsect1>
#include "generator.h"
#include "log.h"
#include "mkdir-label.h"
+#include "parse-util.h"
#include "path-util.h"
#include "process-util.h"
+#include "proc-cmdline.h"
#include "strv.h"
#include "terminal-util.h"
#include "unit-name.h"
#include "virt.h"
static const char *arg_dest = NULL;
+static bool arg_enabled = true;
static int add_symlink(const char *fservice, const char *tservice) {
char *from, *to;
}
}
+static int parse_proc_cmdline_item(const char *key, const char *value, void *data) {
+ int r;
+
+ assert(key);
+
+ if (proc_cmdline_key_streq(key, "systemd.getty_auto")) {
+ r = value ? parse_boolean(value) : 1;
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse getty_auto switch \"%s\", ignoring: %m", value);
+ else
+ arg_enabled = r;
+ }
+
+ return 0;
+}
+
static int run(const char *dest, const char *dest_early, const char *dest_late) {
+ _cleanup_free_ char *getty_auto = NULL;
int r;
assert_se(arg_dest = dest);
+ r = proc_cmdline_parse(parse_proc_cmdline_item, NULL, 0);
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
+
+ r = getenv_for_pid(1, "SYSTEMD_GETTY_AUTO", &getty_auto);
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse $SYSTEMD_GETTY_AUTO environment variable, ignoring: %m");
+ else if (r > 0) {
+ r = parse_boolean(getty_auto);
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse $SYSTEMD_GETTY_AUTO value \"%s\", ignoring: %m", getty_auto);
+ else
+ arg_enabled = r;
+ }
+
+ if (!arg_enabled) {
+ log_debug("Disabled, exiting.");
+ return 0;
+ }
+
if (detect_container() > 0)
/* Add console shell and look at $container_ttys, but don't do add any
* further magic if we are in a container. */