/*
 *    HardInfo - Displays System Information
 *    Copyright (C) 2003-2009 Leandro A. F. Pereira <leandro@hardinfo.org>
 *
 *    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, version 2.
 *
 *    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 St, Fifth Floor, Boston, MA  02110-1301 USA
 */

static gchar *users = NULL;

static gboolean
remove_users(gpointer key, gpointer value, gpointer data)
{
    return g_str_has_prefix(key, "USER");
}

static void
scan_users_do(void)
{
    FILE *passwd;
    char buffer[512];
    
    passwd = fopen("/etc/passwd", "r");
    if (!passwd)
      return;
    
    if (users) {
      g_free(users);

      g_hash_table_foreach_remove(moreinfo, remove_users, NULL);
    }
  
    users = g_strdup("");
    
    while (fgets(buffer, 512, passwd)) {
      gchar **tmp;
      gint uid;
      
      tmp = g_strsplit(buffer, ":", 0);
      if (strlen(tmp[0]) > 1) {
	gchar *key = g_strdup_printf("USER%s", tmp[0]);
	gchar *val = g_strdup_printf("[User Information]\n"
				    "User ID=%s\n"
				    "Group ID=%s\n"
				    "Home directory=%s\n"
				    "Default shell=%s\n",
				    tmp[2], tmp[3], tmp[5], tmp[6]);
	g_hash_table_insert(moreinfo, key, val);

	uid = atoi(tmp[2]);
	strend(tmp[4], ',');
	users = h_strdup_cprintf("$%s$%s=%s\n", users, key, tmp[0], tmp[4]);
	
	g_strfreev(tmp);
      }
    }
    
    fclose(passwd);
}