add preliminary support for asking for password during boot sequence

(Only in text plugin so far)

1 files changed, 32 insertions, 2 deletions

diff --git a/src/splash-plugins/text/text.c b/src/splash-plugins/text/text.c
index fc76817..d2f9b99 100644
--- a/src/splash-plugins/text/text.c
+++ b/src/splash-plugins/text/text.c
@@ -35,8 +35,9 @@
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/types.h>
-#include <values.h>
+#include <termios.h>
 #include <unistd.h>
+#include <values.h>
 
 #include "ply-boot-splash-plugin.h"
 #include "ply-event-loop.h"
@@ -157,6 +158,34 @@ attach_to_event_loop (ply_boot_splash_plugin_t *plugin,
                                  plugin);
 }
 
+char *
+ask_for_password (ply_boot_splash_plugin_t *plugin)
+{
+  char           answer[1024];
+  struct termios initial_term_attributes;
+  struct termios noecho_term_attributes;
+
+  tcgetattr (STDIN_FILENO, &initial_term_attributes);
+  noecho_term_attributes = initial_term_attributes;
+  noecho_term_attributes.c_lflag &= ~ECHO;
+
+  printf ("Password: ");
+
+  if (tcsetattr (STDIN_FILENO, TCSAFLUSH, &noecho_term_attributes) != 0) {
+    fprintf (stderr, "Could not set terminal attributes\n");
+    return NULL;
+  }
+
+  fgets (answer, sizeof (answer), stdin);
+  answer[strlen (answer) - 1] = '\0';
+
+  tcsetattr (STDIN_FILENO, TCSANOW, &initial_term_attributes);
+
+  printf ("\n");
+
+  return strdup (answer);
+}
+
 ply_boot_splash_plugin_interface_t *
 ply_boot_splash_plugin_get_interface (void)
 {
@@ -167,7 +196,8 @@ ply_boot_splash_plugin_get_interface (void)
       .show_splash_screen = show_splash_screen,
       .update_status = update_status,
       .hide_splash_screen = hide_splash_screen,
-      .attach_to_event_loop = attach_to_event_loop
+      .attach_to_event_loop = attach_to_event_loop,
+      .ask_for_password = ask_for_password,
     };
 
   return &plugin_interface;