#ifndef __ABAC_DEFINES_H__
#define __ABAC_DEFINES_H__

/* to enable the use of asprintf */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#include <stdio.h>
#endif /* _GNU_SOURCE */

struct _abac_chunk_t {
    unsigned char *ptr;
    int len;
};

typedef struct _abac_pl_t abac_pl_t;

typedef struct _abac_context_t abac_context_t;
typedef struct _abac_chunk_t abac_chunk_t;

typedef struct _abac_aspect_t abac_aspect_t;
typedef struct _abac_attribute_t abac_attribute_t;
typedef struct _abac_id_t abac_id_t;

typedef struct _abac_condition_t abac_condition_t;
typedef struct _abac_term_t abac_term_t;
typedef struct _abac_item_t abac_item_t;
typedef struct _abac_param_list_t abac_param_list_t;
typedef struct _abac_key_t abac_key_t;

typedef struct _abac_id_credential_t abac_id_credential_t;
typedef struct _abac_credential_t abac_credential_t;

#define USE(evalue) ((getenv(evalue)!=NULL)?1:0)

/* for abac_pl_yy */
#define ABAC_YY_INVALID_HEAD        -1

/*
 * Error codes for loading certificates.
 */
#define ABAC_CERT_SUCCESS           0   // certificate loaded, all is well
#define ABAC_CERT_INVALID           -1  // invalid format; also file not found
#define ABAC_CERT_BAD_SIG           -2  // invalid signature
#define ABAC_CERT_MISSING_ISSUER    -3  // missing ID cert that issued the attribute cert
#define ABAC_CERT_BAD_CN            -4  // ID cert is not matching CN=principal format
#define ABAC_CERT_BAD_YAP           -5  // failed to insert into prolog engine
#define ABAC_CERT_EXISTS            1   // ID already exists (does not default to a failure)

#define ABAC_ID_SUCCESS                     0
#define ABAC_ID_GENERATE_INVALID_CN        -1
#define ABAC_ID_GENERATE_INVALID_VALIDITY  -2

#define ABAC_ATTRIBUTE_SUCCESS              0
#define ABAC_ATTRIBUTE_INVALID_ROLE        -1
#define ABAC_ATTRIBUTE_INVALID_VALIDITY    -2
#define ABAC_ATTRIBUTE_ISSUER_NOKEY        -3
#define ABAC_ATTRIBUTE_FAIL                -4

#define ABAC_TERM_SUCCESS                   0
#define ABAC_TERM_FAIL                     -1

#define ABAC_VERIFIER_UNKNOWN_CONTEXT      -1


typedef enum _itemtype_t {
    e_ITEM_MIN = 1,
    e_ITEM_MAX = 2,
    e_ITEM_TARGET = 3
} abac_itemtype_t;

typedef enum _termtype {
    e_TERM_INTEGER = 1,
    e_TERM_URN = 2,
    e_TERM_FLOAT = 3,
    e_TERM_BOOLEAN = 4,
    e_TERM_STRING = 5,
    e_TERM_TIME = 6,
    e_TERM_PRINCIPAL = 7,
    e_TERM_ANONYMOUS = 8,
    e_TERM_THIS = 9
} abac_termtype_t;

typedef enum _idtype_t {
    e_KEYID = 1,
} abac_idtype_t;

typedef enum _aspecttype_t {
    e_ASPECTTYPE_NULL = 0,
    e_ASPECTTYPE_ROLE = 1,
    e_ASPECTTYPE_OSET = 2,
    e_ASPECTTYPE_INTERSECTING = 3
} abac_aspecttype_t;

#endif /* __ABAC_DEFINES_H__ */