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gwcrontab.c

/* 
   Unix SMB/CIFS implementation.
   GTK+ Windows crontab frontend
   
   Copyright (C) Jelmer Vernooij 2004

   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 3 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, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdbool.h>
#include <gen_ndr/ndr_atsvc_c.h>
#include "common/gtk-smb.h"
#include "common/select.h"
#include <credentials.h>
#include <param.h>
#include <tevent.h>
#include <util/debug.h>

static struct dcerpc_pipe *at_pipe = NULL;
static GtkWidget *mainwin;
static GtkListStore *store_jobs;
static GtkWidget *tasks;
static GtkWidget *new_task;
static GtkWidget *entry_cmd;
static GtkWidget *entry_repeat_weekly;
static GtkWidget *entry_repeat_monthly;
static GtkWidget *delete;
struct loadparm_context *lp_ctx = NULL;
struct tevent_context *ev_ctx;

static void update_joblist(void)
{
      TALLOC_CTX *mem_ctx = talloc_init("update_joblist");
      NTSTATUS status;
      struct atsvc_JobEnum r;
      struct atsvc_enum_ctr ctr;
      int i;
      uint32_t resume_handle = 0;

      gtk_list_store_clear(store_jobs);

      ctr.entries_read = 0;
      ctr.first_entry = NULL;
      r.in.servername = dcerpc_server_name(at_pipe);
      r.in.ctr = r.out.ctr = &ctr;
      r.in.preferred_max_len = 0xffffffff;
      r.in.resume_handle = r.out.resume_handle = &resume_handle;

      status = dcerpc_atsvc_JobEnum(at_pipe, mem_ctx, &r);
      if(!NT_STATUS_IS_OK(status)) {
            gtk_show_ntstatus(mainwin, "Error while enumerating first job", status);
            return;
      }

            for (i = 0; i < r.out.ctr->entries_read; i++) {
                GtkTreeIter iter;
                gtk_list_store_append(store_jobs, &iter);
                gtk_list_store_set (store_jobs, &iter, 
                  0, r.out.ctr->first_entry[i].flags,
                  1, r.out.ctr->first_entry[i].job_id, 
                  2, r.out.ctr->first_entry[i].days_of_week, /*FIXME: Nicer format */
                  3, r.out.ctr->first_entry[i].job_time, /* FIXME: Nicer format */
                  4, r.out.ctr->first_entry[i].command,
                        -1);

      }
      talloc_free(mem_ctx);
}

static void on_job_select(GtkTreeSelection *sel, gpointer data)
{
      gtk_widget_set_sensitive(delete, gtk_tree_selection_get_selected(sel, NULL, NULL));
}


static void on_connect_activate(GtkMenuItem *menuitem, gpointer user_data)
{
      at_pipe = gtk_connect_rpc_interface(talloc_autofree_context(), ev_ctx, 
                                                            lp_ctx, &ndr_table_atsvc);

      if (!at_pipe)
            return;

      gtk_widget_set_sensitive (new_task, TRUE);
      update_joblist();
}

static void on_quit_activate(GtkMenuItem *menuitem, gpointer user_data)
{
      talloc_free(at_pipe);
      gtk_main_quit();
}

static GtkWidget* create_new_job_dialog (void);

void on_new_activate (GtkMenuItem *menuitem, gpointer user_data)
{
      GtkWidget *d = create_new_job_dialog();
      gint result = gtk_dialog_run(GTK_DIALOG(d));
      struct atsvc_JobAdd r;
      struct atsvc_JobInfo job;
      NTSTATUS status;
      TALLOC_CTX *mem_ctx;
      switch(result) {
            case GTK_RESPONSE_OK:
                  break;
            default:
                  gtk_widget_destroy(d);
                    return;
      }
      mem_ctx = talloc_init("add_job");

      job.job_time = 0; /* FIXME */
      job.days_of_month = 0; /* FIXME */
      job.days_of_week = 0; /* FIXME */
      job.flags = 0; /* FIXME */
      job.command = gtk_entry_get_text(GTK_ENTRY(entry_cmd));
      r.in.servername = dcerpc_server_name(at_pipe);
      r.in.job_info = &job;

      status = dcerpc_atsvc_JobAdd(at_pipe, mem_ctx, &r);
      if(!NT_STATUS_IS_OK(status)) {
            talloc_free(mem_ctx);
            gtk_show_ntstatus(mainwin, "Error while adding job", status);
            return;
      }
      
      talloc_free(mem_ctx);
      gtk_widget_destroy(d);
      
      d = gtk_message_dialog_new (GTK_WINDOW(mainwin), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "Job Id: %d", *r.out.job_id);
      gtk_dialog_run(GTK_DIALOG(d));
      gtk_widget_destroy(d);
      update_joblist();
}


void on_delete_activate(GtkMenuItem *menuitem, gpointer user_data)
{
      GtkTreeSelection *sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(tasks));
      GtkTreeModel *model = GTK_TREE_MODEL(store_jobs);
      GtkTreeIter iter;
      gint id;

      if (gtk_tree_selection_get_selected (sel, &model, &iter))
      {
            struct atsvc_JobDel r;
            TALLOC_CTX *mem_ctx;
            NTSTATUS status;
            gtk_tree_model_get (model, &iter, 1, &id, -1);

            r.in.servername = dcerpc_server_name(at_pipe);
            r.in.min_job_id = r.in.max_job_id = id;

            mem_ctx = talloc_init("del_job");
            status = dcerpc_atsvc_JobDel(at_pipe, mem_ctx, &r);
            talloc_free(mem_ctx);
            if(!NT_STATUS_IS_OK(status)) {
                  gtk_show_ntstatus(mainwin, "Error deleting job", status);
                  return;
            }

            update_joblist();
      }
}


static void on_about_activate(GtkMenuItem *menuitem, gpointer user_data)
{
      GtkDialog *aboutwin = GTK_DIALOG(create_gtk_samba_about_dialog("gwcrontab"));
      gtk_dialog_run(aboutwin);
      gtk_widget_destroy(GTK_WIDGET(aboutwin));
}

static GtkWidget* create_mainwindow (void)
{
      GtkWidget *mainwindow;
      GtkWidget *vbox;
      GtkWidget *menubar;
      GtkWidget *menuitem4;
      GtkWidget *menuitem4_menu;
      GtkWidget *mnu_connect;
      GtkWidget *separatormenuitem1;
      GtkWidget *quit;
      GtkWidget *task;
      GtkWidget *task_menu;
      GtkCellRenderer *renderer;
      GtkTreeViewColumn *curcol;
      GtkWidget *menuitem7;
      GtkWidget *menuitem7_menu;
      GtkWidget *about;
      GtkWidget *scrolledwindow;
      GtkWidget *statusbar;
      GtkAccelGroup *accel_group;

      accel_group = gtk_accel_group_new ();

      mainwindow = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      gtk_window_set_default_size (GTK_WINDOW (mainwindow), 642, 562);
      gtk_window_set_title (GTK_WINDOW (mainwindow), "Task Scheduler");

      vbox = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (mainwindow), vbox);

      menubar = gtk_menu_bar_new ();
      gtk_box_pack_start (GTK_BOX (vbox), menubar, FALSE, FALSE, 0);

      menuitem4 = gtk_menu_item_new_with_mnemonic ("_File");
      gtk_container_add (GTK_CONTAINER (menubar), menuitem4);

      menuitem4_menu = gtk_menu_new ();
      gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem4), menuitem4_menu);

      mnu_connect = gtk_menu_item_new_with_mnemonic ("_Connect");
      gtk_container_add (GTK_CONTAINER (menuitem4_menu), mnu_connect);
      g_signal_connect ((gpointer) mnu_connect, "activate",
        G_CALLBACK (on_connect_activate), NULL);

      separatormenuitem1 = gtk_separator_menu_item_new ();
      gtk_container_add (GTK_CONTAINER (menuitem4_menu), separatormenuitem1);
      gtk_widget_set_sensitive (separatormenuitem1, FALSE);

      quit = gtk_image_menu_item_new_from_stock ("gtk-quit", accel_group);
      gtk_container_add (GTK_CONTAINER (menuitem4_menu), quit);

      task = gtk_menu_item_new_with_mnemonic ("_Task");
      gtk_container_add (GTK_CONTAINER (menubar), task);

      task_menu = gtk_menu_new ();
      gtk_menu_item_set_submenu (GTK_MENU_ITEM (task), task_menu);

      new_task = gtk_menu_item_new_with_mnemonic ("_New");
      gtk_container_add (GTK_CONTAINER (task_menu), new_task);
      gtk_widget_set_sensitive (new_task, FALSE);

      delete = gtk_menu_item_new_with_mnemonic ("_Delete");
      gtk_widget_set_sensitive(delete, FALSE);
      gtk_container_add (GTK_CONTAINER (task_menu), delete);

      menuitem7 = gtk_menu_item_new_with_mnemonic ("_Help");
      gtk_container_add (GTK_CONTAINER (menubar), menuitem7);

      menuitem7_menu = gtk_menu_new ();
      gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem7), menuitem7_menu);

      about = gtk_menu_item_new_with_mnemonic ("_About");
      gtk_container_add (GTK_CONTAINER (menuitem7_menu), about);

      scrolledwindow = gtk_scrolled_window_new (NULL, NULL);
      gtk_box_pack_start (GTK_BOX (vbox), scrolledwindow, TRUE, TRUE, 0);

      tasks = gtk_tree_view_new ();

      curcol = gtk_tree_view_column_new ();
      gtk_tree_view_column_set_title(curcol, "Status");
      renderer = gtk_cell_renderer_text_new();
      gtk_tree_view_column_pack_start(curcol, renderer, true);
      gtk_tree_view_append_column(GTK_TREE_VIEW(tasks), curcol);
      gtk_tree_view_column_add_attribute(curcol, renderer, "text", 0);

      curcol = gtk_tree_view_column_new ();
      gtk_tree_view_column_set_title(curcol, "ID");
      renderer = gtk_cell_renderer_text_new();
      gtk_tree_view_column_pack_start(curcol, renderer, true);
      gtk_tree_view_append_column(GTK_TREE_VIEW(tasks), curcol);
      gtk_tree_view_column_add_attribute(curcol, renderer, "text", 1);

      curcol = gtk_tree_view_column_new ();
      gtk_tree_view_column_set_title(curcol, "Day");
      renderer = gtk_cell_renderer_text_new();
      gtk_tree_view_column_pack_start(curcol, renderer, true);
      gtk_tree_view_append_column(GTK_TREE_VIEW(tasks), curcol);
      gtk_tree_view_column_add_attribute(curcol, renderer, "text", 2);

      curcol = gtk_tree_view_column_new ();
      gtk_tree_view_column_set_title(curcol, "Time");
      renderer = gtk_cell_renderer_text_new();
      gtk_tree_view_column_pack_start(curcol, renderer, true);
      gtk_tree_view_append_column(GTK_TREE_VIEW(tasks), curcol);
      gtk_tree_view_column_add_attribute(curcol, renderer, "text", 3);

      curcol = gtk_tree_view_column_new ();
      gtk_tree_view_column_set_title(curcol, "Command Line");
      renderer = gtk_cell_renderer_text_new();
      gtk_tree_view_column_pack_start(curcol, renderer, true);
      gtk_tree_view_append_column(GTK_TREE_VIEW(tasks), curcol);
      gtk_tree_view_column_add_attribute(curcol, renderer, "text", 4);

      store_jobs = gtk_list_store_new(5, G_TYPE_INT, G_TYPE_INT, G_TYPE_INT, G_TYPE_INT, G_TYPE_STRING);
      gtk_tree_view_set_model(GTK_TREE_VIEW(tasks), GTK_TREE_MODEL(store_jobs));
      g_object_unref(store_jobs);

      gtk_container_add (GTK_CONTAINER (scrolledwindow), tasks);

      g_signal_connect (gtk_tree_view_get_selection(GTK_TREE_VIEW(tasks)) , "changed", G_CALLBACK (on_job_select), NULL);

      statusbar = gtk_statusbar_new ();
      gtk_box_pack_start (GTK_BOX (vbox), statusbar, FALSE, FALSE, 0);


      g_signal_connect ((gpointer) quit, "activate",
        G_CALLBACK (on_quit_activate), NULL);
      g_signal_connect ((gpointer) new_task, "activate",
        G_CALLBACK (on_new_activate), NULL);
      g_signal_connect ((gpointer) delete, "activate",
        G_CALLBACK (on_delete_activate), NULL);
      g_signal_connect ((gpointer) about, "activate",
        G_CALLBACK (on_about_activate), NULL);

      gtk_window_add_accel_group (GTK_WINDOW (mainwindow), accel_group);

      return mainwindow;
}

void on_chk_weekly_toggled(GtkToggleButton *togglebutton, gpointer user_data)
{
      gtk_widget_set_sensitive(entry_repeat_weekly, gtk_toggle_button_get_active(togglebutton));
}


void on_chk_monthly_toggled(GtkToggleButton *togglebutton, gpointer user_data)
{
      gtk_widget_set_sensitive(entry_repeat_monthly, gtk_toggle_button_get_active(togglebutton));
}


static GtkWidget *create_new_job_dialog (void)
{
      GtkWidget *new_job_dialog;
      GtkWidget *dialog_vbox1;
      GtkWidget *frame1;
      GtkWidget *table1;
      GtkWidget *label4;
      GtkWidget *cal_day;
      GtkWidget *label3;
      GtkWidget *entry_time;
      GtkWidget *chk_weekly;
      GtkWidget *chk_monthly;
      GtkWidget *label1;
      GtkWidget *frame2;
      GtkWidget *hbox1;
      GtkWidget *label5;
      GtkWidget *label2;
      GtkWidget *dialog_action_area1;
      GtkWidget *cancelbutton1;
      GtkWidget *okbutton1;

      new_job_dialog = gtk_dialog_new ();
      gtk_window_set_title (GTK_WINDOW (new_job_dialog), "New job");

      dialog_vbox1 = GTK_DIALOG (new_job_dialog)->vbox;

      frame1 = gtk_frame_new (NULL);
      gtk_box_pack_start (GTK_BOX (dialog_vbox1), frame1, TRUE, TRUE, 0);

      table1 = gtk_table_new (4, 2, FALSE);
      gtk_container_add (GTK_CONTAINER (frame1), table1);

      label4 = gtk_label_new ("Time:");
      gtk_table_attach (GTK_TABLE (table1), label4, 0, 1, 1, 2,
                                (GtkAttachOptions) (GTK_FILL),
                                (GtkAttachOptions) (0), 0, 0);
      gtk_misc_set_alignment (GTK_MISC (label4), 0, 0.5);

      cal_day = gtk_calendar_new ();
      gtk_table_attach (GTK_TABLE (table1), cal_day, 1, 2, 0, 1,
                                (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                                (GtkAttachOptions) (GTK_FILL), 0, 0);
      gtk_calendar_set_display_options (GTK_CALENDAR (cal_day),
                                GTK_CALENDAR_SHOW_HEADING
                                | GTK_CALENDAR_SHOW_DAY_NAMES);

      label3 = gtk_label_new ("Date");
      gtk_table_attach (GTK_TABLE (table1), label3, 0, 1, 0, 1,
                                (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                                (GtkAttachOptions) (0), 0, 0);
      gtk_misc_set_alignment (GTK_MISC (label3), 0, 0.5);

      entry_time = gtk_entry_new ();
      gtk_table_attach (GTK_TABLE (table1), entry_time, 1, 2, 1, 2,
                                (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                                (GtkAttachOptions) (0), 0, 0);

      chk_weekly = gtk_check_button_new_with_mnemonic ("Repeat weekly");
      gtk_table_attach (GTK_TABLE (table1), chk_weekly, 0, 1, 2, 3,
                                (GtkAttachOptions) (GTK_FILL),
                                (GtkAttachOptions) (0), 0, 0);

      entry_repeat_weekly = gtk_entry_new ();
      gtk_table_attach (GTK_TABLE (table1), entry_repeat_weekly, 1, 2, 2, 3,
                                (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                                (GtkAttachOptions) (0), 0, 0);

      chk_monthly = gtk_check_button_new_with_mnemonic ("Repeat monthly");
      gtk_table_attach (GTK_TABLE (table1), chk_monthly, 0, 1, 3, 4,
                                (GtkAttachOptions) (GTK_FILL),
                                (GtkAttachOptions) (0), 0, 0);

      entry_repeat_monthly = gtk_entry_new ();
      gtk_table_attach (GTK_TABLE (table1), entry_repeat_monthly, 1, 2, 3, 4,
                                (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
                                (GtkAttachOptions) (0), 0, 0);

      label1 = gtk_label_new ("Moment");
      gtk_frame_set_label_widget (GTK_FRAME (frame1), label1);

      frame2 = gtk_frame_new (NULL);
      gtk_box_pack_start (GTK_BOX (dialog_vbox1), frame2, TRUE, TRUE, 0);

      hbox1 = gtk_hbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (frame2), hbox1);

      label5 = gtk_label_new ("Command to execute");
      gtk_box_pack_start (GTK_BOX (hbox1), label5, TRUE, TRUE, 0);

      entry_cmd = gtk_entry_new ();
      gtk_box_pack_start (GTK_BOX (hbox1), entry_cmd, TRUE, TRUE, 0);

      label2 = gtk_label_new ("Command");
      gtk_frame_set_label_widget (GTK_FRAME (frame2), label2);

      dialog_action_area1 = GTK_DIALOG (new_job_dialog)->action_area;
      gtk_button_box_set_layout (GTK_BUTTON_BOX (dialog_action_area1), GTK_BUTTONBOX_END);

      cancelbutton1 = gtk_button_new_from_stock ("gtk-cancel");
      gtk_dialog_add_action_widget (GTK_DIALOG (new_job_dialog), cancelbutton1, GTK_RESPONSE_CANCEL);
      GTK_WIDGET_SET_FLAGS (cancelbutton1, GTK_CAN_DEFAULT);

      okbutton1 = gtk_button_new_from_stock ("gtk-ok");
      gtk_dialog_add_action_widget (GTK_DIALOG (new_job_dialog), okbutton1, GTK_RESPONSE_OK);
      GTK_WIDGET_SET_FLAGS (okbutton1, GTK_CAN_DEFAULT);

      g_signal_connect ((gpointer) chk_weekly, "toggled",
                                G_CALLBACK (on_chk_weekly_toggled),
                                NULL);
      g_signal_connect ((gpointer) chk_monthly, "toggled",
                                G_CALLBACK (on_chk_monthly_toggled),
                                NULL);

      return new_job_dialog;
}


int main(int argc, char **argv)
{
      lp_ctx = loadparm_init(NULL);
      lp_load_default(lp_ctx);

      setup_logging(argv[0], DEBUG_STDERR);

      dcerpc_init(lp_ctx);

      ev_ctx = tevent_context_init(lp_ctx);
      gtk_init(&argc, &argv);
      mainwin = create_mainwindow();
      gtk_widget_show_all(mainwin);

      return gtk_event_loop();
}

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