r4589 - in developers/zecke: . root-password
zecke at docs.openmoko.org
zecke at docs.openmoko.org
Wed Aug 6 02:04:59 CEST 2008
Author: zecke
Date: 2008-08-06 02:04:59 +0200 (Wed, 06 Aug 2008)
New Revision: 4589
Added:
developers/zecke/root-password/
developers/zecke/root-password/GNUmakefile
developers/zecke/root-password/README
developers/zecke/root-password/root-password.c
Log:
[root-password] First attempt at a small utility to set the root password
Small Gtk+ app to set the root password. Not yet tested.
Added: developers/zecke/root-password/GNUmakefile
===================================================================
--- developers/zecke/root-password/GNUmakefile (rev 0)
+++ developers/zecke/root-password/GNUmakefile 2008-08-06 00:04:59 UTC (rev 4589)
@@ -0,0 +1,4 @@
+all: root-password
+
+root-password: root-password.c
+ $(CC) -o root-password $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) `pkg-config --cflags --libs gtk+-2.0` -lcrypt root-password.c
Added: developers/zecke/root-password/README
===================================================================
--- developers/zecke/root-password/README (rev 0)
+++ developers/zecke/root-password/README 2008-08-06 00:04:59 UTC (rev 4589)
@@ -0,0 +1,4 @@
+Small application to set the root password.
+
+The code was taken from opie-login which was inspired by GPE's ownerinfo
+and gpe-dm utility.
Added: developers/zecke/root-password/root-password.c
===================================================================
--- developers/zecke/root-password/root-password.c (rev 0)
+++ developers/zecke/root-password/root-password.c 2008-08-06 00:04:59 UTC (rev 4589)
@@ -0,0 +1,185 @@
+/*
+ * Copyright (C) 2008 Holger Hans Peter Freyther <zecke at openmoko.org>
+ * Copyrgith (C) 2008 Openmoko Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <pwd.h>
+#include <shadow.h>
+#include <stdio.h>
+#include <time.h>
+
+#define _XOPEN_SOURCE
+#include <unistd.h>
+
+#include <gtk/gtk.h>
+
+// This function is taken from 'busybox'.
+static int i64c(int i) {
+ if (i <= 0)
+ return ('.');
+ if (i == 1)
+ return ('/');
+ if (i >= 2 && i < 12)
+ return ('0' - 2 + i);
+ if (i >= 12 && i < 38)
+ return ('A' - 12 + i);
+ if (i >= 38 && i < 63)
+ return ('a' - 38 + i);
+ return ('z');
+}
+
+// This function is taken from 'busybox'.
+static const char *crypt_make_salt() {
+ time_t now;
+ static unsigned long x;
+ static char result[3];
+
+ time(&now);
+ x += now + getpid() + clock();
+ result[0] = i64c(((x >> 18) ^ (x >> 6)) & 077);
+ result[1] = i64c(((x >> 12) ^ x) & 077);
+ result[2] = '\0';
+ return result;
+}
+
+#define CRYPT_FAILED -1
+#define NEW_FILE_FAILED -2
+#define RENAME_FAILED -3
+
+static int write_password(const char* password_input)
+{
+ char* password = crypt(password_input, crypt_make_salt());
+
+ if (!password)
+ return CRYPT_FAILED;
+
+ /* rewind and rewrite the password file */
+ setpwent();
+
+ FILE* file = fopen("/etc/passwd.new", "w");
+ if (!file)
+ return NEW_FILE_FAILED;
+
+ struct passwd* pass;
+ while ((pass = getpwent()) != 0l) {
+ /* no shadow password support */
+ if (pass->pw_uid == 0)
+ pass->pw_passwd = password;
+
+ putpwent(pass, file);
+ }
+
+ fclose( file );
+ endpwent();
+ if (rename("/etc/passwd.new","/etc/passwd") == -1)
+ return RENAME_FAILED;
+
+ return 0;
+}
+
+// TODO use bindtext...gettext
+#define _(x) (x)
+
+GtkWidget* s_password;
+GtkWidget* s_confirm;
+GtkWidget* s_window;
+
+static void run_message(const char* message, gboolean clear)
+{
+ if (clear) {
+ gtk_entry_set_text (GTK_ENTRY(s_password), "");
+ gtk_entry_set_text (GTK_ENTRY(s_confirm), "");
+ }
+
+ /* show the message */
+ GtkWidget* dialog = gtk_message_dialog_new (GTK_WINDOW(s_window),
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_OK,
+ message);
+ gtk_dialog_run (GTK_DIALOG (dialog));
+ gtk_widget_destroy (dialog);
+}
+
+static void set_password()
+{
+ const char* password = gtk_entry_get_text (GTK_ENTRY(s_password));
+ const char* confirm = gtk_entry_get_text (GTK_ENTRY(s_confirm));
+
+ if (strcmp(password, confirm) != 0)
+ return run_message (_("The passwords do not match. Please try again."), TRUE);
+
+ int result = write_password (password);
+ if (result == CRYPT_FAILED)
+ return run_message (_("The crypting of the password failed. Please try again."), FALSE);
+ else if (result == RENAME_FAILED || result == NEW_FILE_FAILED)
+ return run_message (_("The writing of the new password file failed. Check permissions and please try again."), FALSE);
+ else
+ return gtk_main_quit();
+}
+
+
+int main(int argc, char** argv)
+{
+ gtk_init(&argc, &argv);
+
+ /* Create the UI */
+ s_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ g_signal_connect (s_window, "delete-event", G_CALLBACK(gtk_main_quit), NULL);
+ gtk_window_set_title(GTK_WINDOW(s_window), _("Set root password"));
+
+ GtkWidget* intro = gtk_label_new (_("Please set a root password."));
+
+ GtkWidget* password_label = gtk_label_new (_("Password:"));
+ s_password = gtk_entry_new ();
+ gtk_entry_set_visibility (GTK_ENTRY(s_password), FALSE);
+
+ GtkWidget* confirm_label = gtk_label_new (_("Confirm:"));
+ gtk_misc_set_alignment (GTK_MISC(intro), 0, 0);
+ s_confirm = gtk_entry_new ();
+ gtk_entry_set_visibility (GTK_ENTRY(s_confirm), FALSE);
+
+ GtkWidget* button = gtk_button_new_with_label ("Set password");
+ g_signal_connect(button, "clicked", G_CALLBACK(set_password), NULL);
+
+ /* box packing */
+ GtkWidget* main_box = gtk_vbox_new (FALSE, 0);
+
+ GtkWidget* intro_box = gtk_hbox_new (FALSE, 0);
+ gtk_box_pack_start (GTK_BOX(intro_box), intro, TRUE, FALSE, 0);
+ gtk_box_pack_start (GTK_BOX(main_box), intro_box, FALSE, FALSE, 0);
+
+ GtkWidget* pass_box = gtk_hbox_new (FALSE, 0);
+ gtk_box_pack_start (GTK_BOX(pass_box), password_label, FALSE, FALSE, 0);
+ gtk_box_pack_start (GTK_BOX(pass_box), s_password, TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX(main_box), pass_box, FALSE, FALSE, 0);
+
+ GtkWidget* confirm_box = gtk_hbox_new (FALSE, 0);
+ gtk_box_pack_start (GTK_BOX(confirm_box), confirm_label, FALSE, FALSE, 0);
+ gtk_box_pack_start (GTK_BOX(confirm_box), s_confirm, TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX(main_box), confirm_box, FALSE, FALSE, 0);
+
+ GtkWidget* button_box = gtk_hbox_new (FALSE, 0);
+ gtk_box_pack_start (GTK_BOX(button_box), button, TRUE, FALSE, 0);
+ gtk_box_pack_start (GTK_BOX(main_box), button_box, FALSE, FALSE, 0);
+
+ gtk_container_add (GTK_CONTAINER(s_window), main_box);
+ gtk_widget_show_all (GTK_WIDGET(s_window));
+ gtk_main();
+
+ return 0;
+}
Property changes on: developers/zecke/root-password/root-password.c
___________________________________________________________________
Name: svn:eol-style
+ native
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