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kick_ban_button_clicked.c

/* GADMIN-PROFTPD - An easy to use GTK+ frontend for the ProFTPD standalone server.
 * Copyright (C) 2001 - 2008 Magnus Loef <magnus-swe@telia.com> 
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
*/



#include "../config.h"
#include <gtk/gtk.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "widgets.h"
#include "allocate.h"
#include "commands.h"
#include "functions.h"
#include "chars_are_digits.h"
#include "kick_ban_button_clicked.h"

extern int activated;

extern int MAX_READ_POPEN;



void kick_ban_button_clicked(struct w *widgets)
{
    /* Ban a user then kick by name or pid */
    FILE *fp;
    char *get_buffer, *kick_name, *kick_pid, *kick;
    int user_kick=0, pid_kick=0, was_kicked=0, was_banned=0;
    G_CONST_RETURN gchar *username;
    int avoid_warnings = 0;

    username = gtk_entry_get_text(GTK_ENTRY(widgets->kick_entry));
    
    if( strlen(username) == 0 )
      return;


    kick_name = allocate(4096);
    kick_pid = allocate(4096);

    if( activated )
    {
       /* Get users pid and name */
       if((fp=popen("ftpwho -v", "r"))==NULL)
       return;

       fflush(fp);

       get_buffer = allocate(MAX_READ_POPEN+1);
       while(fgets(get_buffer, MAX_READ_POPEN, fp)!=NULL)
       {
        kick_pid[0]='\0'; kick_name[0]='\0';
        sscanf(get_buffer, "%s %s", kick_pid, kick_name);

        if( kick_name[strlen(kick_name)-1]=='\n' || kick_name[strlen(kick_name)-1]=='\r' )
          kick_name[strlen(kick_name)-1]='\0';

        /* kill this user by name */
        if( ! strcmp(username, kick_name) && chars_are_digits(kick_pid) )
        {
           user_kick=1;
           break;
        }
        /* Kill this user by pid */
        if( ! strcmp(username, kick_pid) && chars_are_digits(kick_pid)  )
        {
           pid_kick=1;
           break;
        }   
       }
       pclose(fp);
       free(get_buffer);
    }


    /* Put the user in ftpusers if its not banned already or is a pid */
    if( ! is_banned((char *)username) )
    {
      if((fp=fopen(GP_FTPUSERS, "a"))==NULL)
      {
//        sprintf(info_buffer, _("The user was not banned, could not write to:\n%s"), GP_FTPUSERS);
//        info_window = create_info_window();
//              gtk_widget_show(info_window);
      }
      else
        if( user_kick || pid_kick )
        {
           fputs("\n", fp);
           fputs(kick_name, fp);
           fclose(fp);
           was_banned=1;
        }
        else
          if( ! chars_are_digits((char *)username) )
          {
             fputs("\n", fp);
             fputs(username, fp);
             fclose(fp);
             was_banned=1;       
          }
          else
            {
//           strcpy(info_buffer, _("Cant ban a non active user by PID.\n"));
//           strcat(info_buffer, _("Misspelled maybe ?\n"));
//           info_window = create_info_window();
//           gtk_widget_show(info_window);
             fclose(fp);
            }
    }
    else
      if( is_banned((char *)username) && ! chars_are_digits((char *)username) )
      { 
//         strcpy(info_buffer, _("The user was already banned.\n"));
//         info_window = create_info_window();
//         gtk_widget_show(info_window);
      }


    free(kick_name);


    if( user_kick || pid_kick )
    {
      /* Kill the the users pid */
      kick = allocate(8192);
      sprintf(kick, "kill -15 %s", kick_pid);
      avoid_warnings = system(kick);
      free(kick);
      was_kicked = 1;
    }

    /* We want to be notified of additional success or failiures here */
    if( was_banned && ! was_kicked )
    {
//        strcpy(info_buffer, _("The user was not currently in the ftp.\n"));
//    strcat(info_buffer, _("The user was banned but not kicked.\n"));
//    info_window = create_info_window();
//        gtk_widget_show(info_window);
    }
    else
    if( was_banned && was_kicked )
    {
//    strcpy(info_buffer, _("The user was kicked and banned.\n"));
//    info_window = create_info_window();
//        gtk_widget_show(info_window);
    }
      
    free(kick_pid);
}

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