/*
 * Part of Very Secure FTPd
 * Licence: GPL v2
 * Author: Chris Evans
 * utility.c
 */

#include "utility.h"
#include "sysutil.h"
#include "str.h"
#include "defs.h"
#include "logging.h"
#include "tunables.h"

#define DIE_DEBUG

void
die(const char* p_text)
{
#ifdef DIE_DEBUG
  bug(p_text);
#endif
  vsf_sysutil_exit(2);
}

void
die2(const char* p_text1, const char* p_text2)
{
  struct mystr die_str = INIT_MYSTR;
  str_alloc_text(&die_str, p_text1);
  if (p_text2)
  {
    str_append_text(&die_str, p_text2);
  }
  else
  {
    str_append_text(&die_str, "(null)");
  }
  die(str_getbuf(&die_str));
}

void
bug(const char* p_text)
{
  /* Rats. Try and write the reason to the network for diagnostics */
  if (tunable_log_die)
  {
    vsf_log_die(p_text);
  }
  if (vsf_sysutil_activate_noblock_no_die(VSFTP_COMMAND_FD) == 0)
  {
    (void) vsf_sysutil_write_loop(VSFTP_COMMAND_FD, "500 OOPS: ", 10);
    (void) vsf_sysutil_write_loop(VSFTP_COMMAND_FD, p_text,
				  vsf_sysutil_strlen(p_text));
    (void) vsf_sysutil_write_loop(VSFTP_COMMAND_FD, "\r\n", 2);
  }
  if (tunable_log_die)
  {
    /* Workaround for https://github.com/systemd/systemd/issues/2913 */
    vsf_sysutil_sleep(1.0);
  }
  vsf_sysutil_exit(2);
}

void
vsf_exit(const char* p_text)
{
  (void) vsf_sysutil_write_loop(VSFTP_COMMAND_FD, p_text,
                                vsf_sysutil_strlen(p_text));
  vsf_sysutil_exit(0);
}