Beispiel #1
0
static int
_regex_compile (void *item, void *data)
{
  struct regex_data *rd = data;
  int rc;
  regex_t *preg = mu_sieve_malloc (mu_sieve_machine, sizeof (*preg));
  
  rc = regcomp (preg, (char*)item, rd->flags);
  if (rc)
    {
      size_t size = regerror (rc, preg, NULL, 0);
      char *errbuf = malloc (size + 1);
      if (errbuf)
	{
	  regerror (rc, preg, errbuf, size);
	  mu_sv_compile_error (&mu_sieve_locus, _("regex error: %s"), errbuf);
	  free (errbuf);
	}
      else
	mu_sv_compile_error (&mu_sieve_locus, _("regex error"));
      return rc;
    }

  mu_list_append (rd->list, preg);
  
  return 0;
}
Beispiel #2
0
void
mu_sieve_require (mu_list_t slist)
{
  int status;
  mu_iterator_t itr;
  
  status = mu_list_get_iterator (slist, &itr);
  if (status)
    {
      mu_sv_compile_error (&mu_sieve_locus,
			   _("cannot create iterator: %s"),
			   mu_strerror (status));
      return;
    }

  for (mu_iterator_first (itr);
       !mu_iterator_is_done (itr); mu_iterator_next (itr))
    {
      char *name;
      int (*reqfn) (mu_sieve_machine_t mach, const char *name) = NULL;
      const char *text = NULL;
      
      mu_iterator_current (itr, (void **)&name);

      if (strncmp (name, "comparator-", 11) == 0)
	{
	  name += 11;
	  reqfn = mu_sieve_require_comparator;
	  text = _("required comparator");
	}
      else if (strncmp (name, "test-", 5)  == 0) /* GNU extension */
	{
	  name += 5;
	  reqfn = mu_sieve_require_test;
	  text = _("required test");
	}
      else if (strcmp (name, "relational") == 0) /* RFC 3431 */
	{
	  reqfn = mu_sieve_require_relational;
	  text = "";
	}
      else
	{
	  reqfn = mu_sieve_require_action;
	  text = _("required action");
	}

      if (reqfn (mu_sieve_machine, name))
	{
	  mu_sv_compile_error (&mu_sieve_locus,
			       _("source for the %s %s is not available"),
			       text,
			       name);
	}
    }
  mu_iterator_destroy (&itr);
}
Beispiel #3
0
/* FIXME: The checker interface should be redone. Until then this function
   is commented out.  Problems:

   1. Checkers are called per group, there's no way to call them per tag.
   2. See FIXMEs in the code.
*/
static int
index_checker (const char *name, mu_list_t tags, mu_list_t args)
{
  mu_iterator_t itr;
  mu_sieve_runtime_tag_t *match = NULL;
  int err;
  
  if (!tags || mu_list_get_iterator (tags, &itr))
    return 0;

  err = 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, "index") == 0)
	{
	  if (match)
	    {
	      /* FIXME: 1. This function must be public.
		        2. locus should be included in t
	      */
	      mu_sv_compile_error (&mu_sieve_locus, 
			      _("index specified twice in call to `%s'"),
				   name);
	      err = 1;
	      break;
	    }    
	}
    }

  mu_iterator_destroy (&itr);

  if (err)
    return 1;

  if (match)
    {
      if (match->arg->v.number < 1)
	{
	// See FIXME above 
	  mu_sv_compile_error (&mu_sieve_locus, 
			       _("invalid index value: %s"),
			       match->arg->v.string);
	  return 1;
	}
    }
  
  return 0;
}
Beispiel #4
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;
}