Beispiel #1
0
void
_mu_sv_instr_pop (mu_sieve_machine_t mach)
{
  if (INSTR_DEBUG (mach))
    {
      mu_sieve_debug (mach, "%4lu: POP\n", (unsigned long)(mach->pc - 1));
      if (INSTR_DISASS (mach))
	return;
    }

  if (!mach->stack || mu_list_is_empty (mach->stack))
    {
      mu_sieve_error (mach, _("stack underflow"));
      mu_sieve_abort (mach);
    }
  mu_list_get (mach->stack, 0, (void **)&mach->reg);
  mu_list_remove (mach->stack, (void *)mach->reg);
}
Beispiel #2
0
int
mu_sieve_match_part_checker (const char *name, mu_list_t tags, mu_list_t args)
{
  mu_iterator_t itr;
  mu_sieve_runtime_tag_t *match = NULL;
  mu_sieve_runtime_tag_t *comp = NULL;
  mu_sieve_runtime_tag_t *tmp;
  mu_sieve_comparator_t compfun = NULL;
  char *compname = "false";
  
  int matchtype;
  int err = 0;
  
  if (!tags || mu_list_get_iterator (tags, &itr))
    return 0;

  for (mu_iterator_first (itr); !err && !mu_iterator_is_done (itr);
       mu_iterator_next (itr))
    {
      mu_sieve_runtime_tag_t *t;
      mu_iterator_current (itr, (void **)&t);
      
      if (strcmp (t->tag, "is") == 0
	  || strcmp (t->tag, "contains") == 0
	  || strcmp (t->tag, "matches") == 0
	  || strcmp (t->tag, "regex") == 0
	  || strcmp (t->tag, "count") == 0
	  || strcmp (t->tag, "value") == 0)
	{
	  if (match)
	    {
	      mu_sv_compile_error (&mu_sieve_locus, 
			     _("match type specified twice in call to `%s'"),
				   name);
	      err = 1;
	    }
	  else
	    match = t;
	}
      else if (strcmp (t->tag, "comparator") == 0) 
	comp = t;
    }

  mu_iterator_destroy (&itr);

  if (err)
    return 1;

  if (!match || strcmp (match->tag, "is") == 0)
    matchtype = MU_SIEVE_MATCH_IS;
  else if (strcmp (match->tag, "contains") == 0)
    matchtype = MU_SIEVE_MATCH_CONTAINS;
  else if (strcmp (match->tag, "matches") == 0)
    matchtype = MU_SIEVE_MATCH_MATCHES;
  else if (strcmp (match->tag, "regex") == 0)
    matchtype = MU_SIEVE_MATCH_REGEX;
  else
    {
      char *str = match->arg->v.string;
      if (strcmp (match->tag, "count") == 0)
	{
	  mu_sieve_value_t *val;
	  char *str;
	  size_t count;
	  
	  if (comp && strcmp (comp->arg->v.string, "i;ascii-numeric"))
	    {
	      mu_sv_compile_error (&mu_sieve_locus, 
				   /* TRANSLATORS: Do not translate ':count'.
				      It is the name of a Sieve tag */
				   _("comparator %s is incompatible with "
				     ":count in call to `%s'"),
				   comp->arg->v.string,
				   name);
	      return 1;
	    }

          matchtype = MU_SIEVE_MATCH_LAST; /* to not leave it undefined */
	  compfun = comp_false;
	  val = mu_sieve_value_get (args, 1);
	  if (!val)
	    return 1; /* shouldn't happen */
	  /* NOTE: Type of v is always SVT_STRING_LIST */
	  mu_list_count (val->v.list, &count);
	  if (count > 1)
	    {
	      mu_sv_compile_error (&mu_sieve_locus, 
			_("second argument must be a list of one element"));
	      return 1;
	    }
	  mu_list_get (val->v.list, 0, (void **) &str);
	  count = strtoul (str, &str, 10);
	  if (*str)
	    {
	      mu_sv_compile_error (&mu_sieve_locus, 
			   _("second argument cannot be converted to number"));
	      return 1;
	    }
	}
      else
	matchtype = MU_SIEVE_MATCH_EQ;

      if (mu_sieve_str_to_relcmp (str, NULL, NULL))
	{
	  mu_sv_compile_error (&mu_sieve_locus, 
			       _("invalid relational match `%s' in call to `%s'"),
			       str, name);
	  return 1;
	}
    }

  if (!compfun)
    {
      compname = comp ? comp->arg->v.string : "i;ascii-casemap";
      compfun = mu_sieve_comparator_lookup (mu_sieve_machine, compname, 
                                            matchtype);
      if (!compfun)
	{
	  mu_sv_compile_error (&mu_sieve_locus, 
			   _("comparator `%s' is incompatible with match type `%s' in call to `%s'"),
			       compname, match ? match->tag : "is", name);
	  return 1;
	}
    }

  tmp = mu_sieve_malloc (mu_sieve_machine, sizeof (*tmp));
  tmp->tag = TAG_COMPFUN;
  tmp->arg = mu_sieve_value_create (SVT_POINTER, compfun);
  mu_list_append (tags, tmp);
  
  if (matchtype == MU_SIEVE_MATCH_REGEX)
    {
      /* To speed up things, compile all patterns at once.
	 Notice that it is supposed that patterns are in arg 2 */
      mu_sieve_value_t *val, *newval;
      struct regex_data rd;
      int rc;
      
      if (mu_list_get (args, 1, (void**)&val))
	return 0;

      rd.flags = REG_EXTENDED;
      if (strcmp (compname, "i;ascii-casemap") == 0)
	rd.flags |= REG_ICASE;

      mu_list_create (&rd.list);
      
      rc = mu_sieve_vlist_do (val, _regex_compile, &rd);

      mu_sieve_machine_add_destructor (mu_sieve_machine, _free_reglist, 
                                       rd.list);

      if (rc)
	return rc;
      newval = mu_sieve_value_create (SVT_STRING_LIST, rd.list);
      mu_list_replace (args, val, newval);
    }
#ifndef FNM_CASEFOLD
  else if (matchtype == MU_SIEVE_MATCH_MATCHES
	   && strcmp (compname, "i;ascii-casemap") == 0)
    {
      int rc;
      mu_sieve_value_t *val;

      if (mu_list_get (args, 1, (void**)&val))
	return 0;
      rc = mu_sieve_vlist_do (val, _pattern_upcase, NULL);
      if (rc)
	return rc;
    }
#endif
  return 0;
}
Beispiel #3
0
/* Syntax: deleteheader [:index <fieldno: number> [:last]]
                        [COMPARATOR] [MATCH-TYPE]
                        <field-name: string>
                        [<value-patterns: string-list>]
 */
int
sieve_deleteheader (mu_sieve_machine_t mach, mu_list_t args, mu_list_t tags)
{
  mu_sieve_value_t *val;
  const char *field_name;
  const char *field_pattern;
  mu_message_t msg;
  mu_header_t hdr;
  int rc;
  mu_sieve_comparator_t comp;
  mu_iterator_t itr;
  unsigned long i, idx = 0;
  
  val = mu_sieve_value_get (args, 0);
  if (!val)
    {
      mu_sieve_error (mach, "%lu: %s",
		      (unsigned long) mu_sieve_get_message_num (mach),
		      _("cannot get field name"));
      mu_sieve_abort (mach);
    }
  field_name = val->v.string;

  val = mu_sieve_value_get (args, 1);
  if (!val)
    {
      field_pattern = NULL;
      mu_sieve_log_action (mach, "DELETEHEADER", "%s", field_name);
    }
  else
    {
      switch (val->type)
	{
	case SVT_STRING_LIST:
	  if (mu_list_get (val->v.list, 0, (void**)&field_pattern))
	    {
	      mu_sieve_error (mach, "%lu: %s",
			      (unsigned long) mu_sieve_get_message_num (mach),
			      _("cannot get list item"));
	      mu_sieve_abort (mach);
	    }
	  mu_sieve_log_action (mach, "DELETEHEADER", "%s: (regexp)",
			       field_name);
	  break;
	  
	case SVT_STRING:
	  field_pattern = val->v.string;
	  mu_sieve_log_action (mach, "DELETEHEADER", "%s: %s", field_name,
			       field_pattern);
	  break;

	default:
	  mu_sieve_error (mach, "%lu: %s: %d",
			  (unsigned long) mu_sieve_get_message_num (mach),
			  _("unexpected value type"), val->type);
	  mu_sieve_abort (mach);
	  
	}
    }
  
  if (mu_sieve_is_dry_run (mach))
    return 0;

  msg = mu_sieve_get_message (mach);
  rc = mu_message_get_header (msg, &hdr);
  if (rc)
    {
      mu_sieve_error (mach, "%lu: %s: %s",
		      (unsigned long) mu_sieve_get_message_num (mach),
		      _("cannot get message header"),
		      mu_strerror (rc));
      mu_sieve_abort (mach);
    }

  mu_header_get_iterator (hdr, &itr);
  if (mu_sieve_tag_lookup (tags, "last", NULL))
    {
      int backwards = 1;
      mu_iterator_ctl (itr, mu_itrctl_set_direction, &backwards);
    }
  comp = mu_sieve_get_comparator (mach, tags);

  if (mu_sieve_tag_lookup (tags, "index", &val))
    idx = val->v.number;
  
  for (i = 0, mu_iterator_first (itr); !mu_iterator_is_done (itr);
       mu_iterator_next (itr))
    {
      const char *fn, *fv;

      mu_iterator_current_kv (itr, (const void **)&fn, (void **)&fv);
      if (strcmp (field_name, fn))
	continue;
      if (idx && ++i < idx)
	continue;
	  
      if (field_pattern)
	{
	  if (comp (field_pattern, fv))
	    mu_iterator_ctl (itr, mu_itrctl_delete, NULL);
	}
      else
	mu_iterator_ctl (itr, mu_itrctl_delete, NULL);

      if (idx)
	break;
    }
  mu_iterator_destroy (&itr);
  return 0;
}