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populate_security_tab.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 "support.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "allocate.h"
#include "widgets.h"
#include "populate_security_tab.h"
#include "show_info.h"


// Hmm,,, this is an extern!!!
#define MAX_READ_POPEN 16384


void populate_security(struct w *widgets)
{
    /* Lists security entries in the security treeview, denials first */
    FILE *fp;
    long file_size;
    char *buffy;
    GtkTreeIter iter;
    GtkTreePath *path;
    gboolean edit=0;
    int found = 0;
    gchar *utf8=NULL;
    gchar *info=NULL;
    
    /* Default to the configured security log */
    gchar *secure_log;
    secure_log = g_strdup_printf("%s", SECURE_LOG);

    /* Use the server settings security log if its set */
    if((fp=fopen(PROFTPD_CONF, "r"))==NULL) 
    {
       /* Do nothing */
    }
    else
      {
       fseek(fp, 0, SEEK_END);
       file_size = ftell(fp);
       rewind(fp);
       buffy = allocate(file_size+1024);

       if( file_size > 1 )
       while(fgets(buffy, file_size, fp)!=NULL)
       {
          if( ! strstr(buffy, "SystemLog ") || strstr(buffy, "#") )
            continue;
          
          if( strlen(buffy) < 12 )
            continue;
          
          /* We have a valid security logfile (doesnt have to exist yet) */
          g_free(secure_log);
          secure_log = g_strdup_printf("%s", &buffy[10]);
          if( secure_log[strlen(secure_log)-1]=='\n' )
            secure_log[strlen(secure_log)-1]='\0';
          break;
      }
      free(buffy);
     }


    gtk_list_store_clear(widgets->security_store);


    if((fp=fopen(secure_log, "r"))==NULL) 
    {
        info = g_strdup_printf(_("Cant open the security log here:\n%s\n"), secure_log);
      show_info(info);
      g_free(info);
        return;
    }
    fseek(fp, 0, SEEK_END);
    file_size = ftell(fp);
    rewind(fp);

    buffy = allocate(file_size+1024);

    if( file_size > 1 )
    while(fgets(buffy, file_size, fp)!=NULL)
    {
      if( ! strstr(buffy, "proftpd") )
        continue;
      
      
        if( strstr(buffy, "Login failed") )
        {
          found = 1;
          gtk_list_store_append(GTK_LIST_STORE(widgets->security_store), &iter);
          utf8 = g_locale_to_utf8(buffy, strlen(buffy)-1, NULL, NULL, NULL);
          gtk_list_store_set(GTK_LIST_STORE(widgets->security_store), &iter, 0, utf8, -1);
        }
        if( strstr(buffy, "refused") )
        {
          found = 1;
          gtk_list_store_append(GTK_LIST_STORE(widgets->security_store), &iter);
          utf8 = g_locale_to_utf8(buffy, strlen(buffy)-1, NULL, NULL, NULL);
          gtk_list_store_set(GTK_LIST_STORE(widgets->security_store), &iter, 0, utf8, -1);
        }
        if( strstr(buffy, "no such user") )
        {
          found = 1;
          gtk_list_store_append(GTK_LIST_STORE(widgets->security_store), &iter);
          utf8 = g_locale_to_utf8(buffy, strlen(buffy)-1, NULL, NULL, NULL);
          gtk_list_store_set(GTK_LIST_STORE(widgets->security_store), &iter, 0, utf8, -1);
        }
        if( strstr(buffy, "Maximum login attempts") )
        {
          found = 1;
          gtk_list_store_append(GTK_LIST_STORE(widgets->security_store), &iter);
          utf8 = g_locale_to_utf8(buffy, strlen(buffy)-1, NULL, NULL, NULL);
          gtk_list_store_set(GTK_LIST_STORE(widgets->security_store), &iter, 0, utf8, -1);
        }

        if( strstr(buffy, "SECURITY VIOLATION") )
        {
          found = 1;
          gtk_list_store_append(GTK_LIST_STORE(widgets->security_store), &iter);
          utf8 = g_locale_to_utf8(buffy, strlen(buffy)-1, NULL, NULL, NULL);
          gtk_list_store_set(GTK_LIST_STORE(widgets->security_store), &iter, 0, utf8, -1);
        }
    }


    rewind(fp);
    memset(buffy, 0, file_size);   

    if( file_size > 1 )
    while(fgets(buffy, file_size, fp)!=NULL)
    {
      if( ! strstr(buffy, "proftpd") )
        continue;
              
        if( strstr(buffy, "Login successful") )
        {
          found = 1;
          gtk_list_store_append(GTK_LIST_STORE(widgets->security_store), &iter);
          utf8 = g_locale_to_utf8(buffy, strlen(buffy)-1, NULL, NULL, NULL);
          gtk_list_store_set(GTK_LIST_STORE(widgets->security_store), &iter, 0, utf8, -1);
        }
    }

    fclose(fp);
    free(buffy);
    g_free(secure_log);

    if(utf8!=NULL)
      g_free(utf8);

    /* Cant set treepath if there arent any rows, then itll crash */
    if( ! found )
      return;

    path = gtk_tree_path_new_first();
    gtk_tree_view_set_cursor(GTK_TREE_VIEW(widgets->security_treeview), path, NULL, edit);
    gtk_tree_path_free(path);
}

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