/* This file is part of GNU Pies
   Copyright (C) 2009-2013 Sergey Poznyakoff
  
   GNU Pies 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, or (at your option)
   any later version.

   GNU Pies 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 GNU Pies.  If not, see <http://www.gnu.org/licenses/>. */

/* acl.c */
typedef struct pies_acl *pies_acl_t;

struct acl_input
{
  struct sockaddr *addr;
  socklen_t addrlen;
  const char *user;
  const char **groups;
};

pies_acl_t pies_acl_create (const char *name, grecs_locus_t *locus);
int pies_acl_check (pies_acl_t acl, struct acl_input *input, int result);
int parse_acl_line (grecs_locus_t *locus, int allow, pies_acl_t acl,
		    grecs_value_t *value);
pies_acl_t pies_acl_lookup (const char *name);
pies_acl_t pies_acl_install (pies_acl_t acl);

int assert_grecs_value_type (grecs_locus_t *locus,
			     const grecs_value_t *value, int type);

extern struct grecs_keyword acl_keywords[];
extern int acl_section_parser (enum grecs_callback_command cmd,
			       grecs_locus_t *locus,
			       void *varptr,
			       grecs_value_t *value,
			       void *cb_data);
extern int defacl_section_parser (enum grecs_callback_command cmd,
				  grecs_locus_t *locus,
				  void *varptr,
				  grecs_value_t *value,
				  void *cb_data);