probe-api.h

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/*
 * Copyright 2009 Red Hat Inc., Durham, North Carolina.
 * All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software 
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Authors:
 *      Daniel Kopecek <dkopecek@redhat.com>
 */

#pragma once
#ifndef PROBE_API_H
#define PROBE_API_H

#include <seap.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdbool.h>
#include <pthread.h>
#include <oval_definitions.h>
#include <oval_system_characteristics.h>
#include <oval_results.h>
#include <oval_types.h>

/*
 * items
 */

SEXP_t *probe_item_build(const char *fmt, ...);

/* SEXP_t *probe_item_creat (const char *name, SEXP_t *attrs, ...); */
SEXP_t *probe_item_creat(const char *name, SEXP_t * attrs, ...);

SEXP_t *probe_item_new(const char *name, SEXP_t * attrs);

SEXP_t *probe_item_attr_add(SEXP_t * item, const char *name, SEXP_t * val);

SEXP_t *probe_item_ent_add(SEXP_t * item, const char *name, SEXP_t * attrs, SEXP_t * val);

int probe_item_setstatus(SEXP_t * obj, oval_syschar_status_t status);

int probe_itement_setstatus(SEXP_t * obj, const char *name, uint32_t n, oval_syschar_status_t status);

struct id_desc_t;

SEXP_t *probe_item_newid(struct id_desc_t *id_desc);

void probe_item_resetidctr(struct id_desc_t *id_desc);

#define probe_item_getent(item, name, n) probe_obj_getent (item, name, n)

/*
 * attributes
 */

SEXP_t *probe_attr_creat(const char *name, const SEXP_t * val, ...);

/*
 * objects
 */

SEXP_t *probe_obj_build(const char *fmt, ...);

SEXP_t *probe_obj_creat(const char *name, SEXP_t * attrs, ...);

SEXP_t *probe_obj_new(const char *name, SEXP_t * attrs);

SEXP_t *probe_obj_getent(const SEXP_t * obj, const char *name, uint32_t n);

SEXP_t *probe_obj_getentval(const SEXP_t * obj, const char *name, uint32_t n);

int probe_obj_getentvals(const SEXP_t * obj, const char *name, uint32_t n, SEXP_t ** res);

SEXP_t *probe_obj_getattrval(const SEXP_t * obj, const char *name);

bool probe_obj_attrexists(const SEXP_t * obj, const char *name);

int probe_obj_setstatus(SEXP_t * obj, oval_syschar_status_t status);

int probe_objent_setstatus(SEXP_t * obj, const char *name, uint32_t n, oval_syschar_status_t status);

char *probe_obj_getname(const SEXP_t * obj);

size_t probe_obj_getname_r(const SEXP_t * obj, char *buffer, size_t buflen);

/*
 * collected objects
 */

SEXP_t *probe_cobj_new(oval_syschar_collection_flag_t flag, SEXP_t *msg_list, SEXP_t *item_list, SEXP_t *mask_list);
int probe_cobj_add_msg(SEXP_t *cobj, const SEXP_t *msg);
SEXP_t *probe_cobj_get_msgs(const SEXP_t *cobj);
SEXP_t *probe_cobj_get_mask(const SEXP_t *cobj);
int probe_cobj_add_item(SEXP_t *cobj, const SEXP_t *item);
SEXP_t *probe_cobj_get_items(const SEXP_t *cobj);
void probe_cobj_set_flag(SEXP_t *cobj, oval_syschar_collection_flag_t flag);
oval_syschar_collection_flag_t probe_cobj_get_flag(const SEXP_t *cobj);
oval_syschar_collection_flag_t probe_cobj_combine_flags(oval_syschar_collection_flag_t f1,
                                                        oval_syschar_collection_flag_t f2,
                                                        oval_setobject_operation_t op);
oval_syschar_collection_flag_t probe_cobj_compute_flag(SEXP_t *cobj);

/*
 * messages
 */

SEXP_t *probe_msg_creat(oval_message_level_t level, char *message);

SEXP_t *probe_msg_creatf(oval_message_level_t level, const char *fmt, ...) __attribute__((format(printf, 2, 3), nonnull(2)));

/*
 * entities
 */

SEXP_t *probe_ent_creat(const char *name, SEXP_t * attrs, SEXP_t * val, ...);

SEXP_t *probe_ent_creat1(const char *name, SEXP_t * attrs, SEXP_t * val);

SEXP_t *probe_ent_attr_add(SEXP_t * ent, const char *name, SEXP_t * val);

SEXP_t *probe_ent_getval(const SEXP_t * ent);

int probe_ent_getvals(const SEXP_t * ent, SEXP_t ** res);

SEXP_t *probe_ent_getattrval(const SEXP_t * ent, const char *name);

bool probe_ent_attrexists(const SEXP_t * ent, const char *name);

int probe_ent_setdatatype(SEXP_t * ent, oval_datatype_t type);

oval_datatype_t probe_ent_getdatatype(const SEXP_t * ent);

int probe_ent_setmask(SEXP_t * ent, bool mask);

bool probe_ent_getmask(const SEXP_t * ent);

int probe_ent_setstatus(SEXP_t * ent, oval_syschar_status_t status);

oval_syschar_status_t probe_ent_getstatus(const SEXP_t * ent);

char *probe_ent_getname(const SEXP_t * ent);

size_t probe_ent_getname_r(const SEXP_t * ent, char *buffer, size_t buflen);

void probe_free(SEXP_t * obj);

void probe_filebehaviors_canonicalize(SEXP_t **behaviors);

void probe_tfc54behaviors_canonicalize(SEXP_t **behaviors);

#define PROBE_EINVAL     1      
#define PROBE_ENOELM     2      
#define PROBE_ENOVAL     3      
#define PROBE_ENOATTR    4      
#define PROBE_EINIT      5      
#define PROBE_ENOMEM     6      
#define PROBE_EOPNOTSUPP 7      
#define PROBE_ERANGE     8      
#define PROBE_EDOM       9      
#define PROBE_EFAULT    10      
#define PROBE_EACCESS   11      
#define PROBE_ESETEVAL  12      
#define PROBE_ENOENT    13      
#define PROBE_ENOOBJ    14      
#define PROBE_ECONNABORTED 15   
#define PROBE_ESYSTEM  253      
#define PROBE_EFATAL   254      
#define PROBE_EUNKNOWN 255      
#define PROBECMD_STE_FETCH 1 
#define PROBECMD_OBJ_EVAL  2 
#define PROBECMD_RESET     3 
int probe_offline_mode_supported(void);
void probe_preload(void);
void *probe_init(void) __attribute__ ((unused));
void probe_fini(void *) __attribute__ ((unused));

typedef struct probe_ctx probe_ctx;

int probe_main(probe_ctx *, void *) __attribute__ ((nonnull(1)));

bool probe_item_filtered(const SEXP_t *item, const SEXP_t *filters);

int probe_result_additem(SEXP_t *result, SEXP_t *item);

int probe_item_collect(probe_ctx *ctx, SEXP_t *item);

SEXP_t *probe_ctx_getobject(probe_ctx *ctx);

SEXP_t *probe_ctx_getresult(probe_ctx *ctx);

typedef struct {
        oval_datatype_t type;
        void           *value;
} probe_elmatr_t;

SEXP_t *probe_item_create(oval_subtype_t item_subtype, probe_elmatr_t *item_attributes[], ...);

#define PROBE_ENT_AREF(ent, dst, attr_name, invalid_exp)                \
        do {                                                            \
                if (((dst) = probe_ent_getattrval(ent, attr_name)) == NULL) { \
                        dE("Attribute `%s' is missing!", attr_name);    \
                        invalid_exp                                     \
                }                                                       \
        } while(0)

#define PROBE_ENT_STRVAL(ent, dst, dstlen, invalid_exp, zerolen_exp)    \
        do {                                                    \
                SEXP_t *___r;                                   \
                                                                \
                if ((___r = probe_ent_getval(ent)) == NULL) {   \
                        dW("Entity has no value!");             \
                        invalid_exp                             \
                } else {                                        \
                        if (!SEXP_stringp(___r)) {              \
                                dE("Invalid type");             \
                                SEXP_free(___r);                \
                                invalid_exp                     \
                        }                                       \
                        else if (SEXP_string_length(___r) == 0) { \
                                SEXP_free(___r);                \
                                zerolen_exp                     \
                        } else {                                \
                                SEXP_string_cstr_r(___r, dst, dstlen); \
                                SEXP_free(___r);                \
                        }                                       \
                }                                               \
        } while (0)

#define PROBE_ENT_I32VAL(ent, dst, invalid_exp, nil_exp)        \
        do {                                                    \
                SEXP_t *___r;                                   \
                                                                \
                if ((___r = probe_ent_getval(ent)) == NULL) {   \
                        dW("Entity has no value!");             \
                        nil_exp;                                \
                } else {                                        \
                        if (!SEXP_numberp(___r)) {              \
                                dE("Invalid type");             \
                                SEXP_free(___r);                \
                                invalid_exp;                    \
                        } else {                                \
                                dst = SEXP_number_geti_32(___r);        \
                                SEXP_free(___r);                        \
                        }                                               \
                }                                                       \
        } while (0)

#endif                          /* PROBE_API_H */

oval_operation_t probe_ent_getoperation(SEXP_t *entity, oval_operation_t op);

int probe_item_add_msg(SEXP_t *item, oval_message_level_t msglvl, char *msgfmt, ...);

SEXP_t *probe_entval_from_cstr(oval_datatype_t type, const char *value, size_t vallen);
SEXP_t *probe_ent_from_cstr(const char *name, oval_datatype_t type, const char *value, size_t vallen);

OSCAP_DEPRECATED(oval_version_t probe_obj_get_schema_version(const SEXP_t *obj));
oval_schema_version_t probe_obj_get_platform_schema_version(const SEXP_t *obj);

SEXP_t *probe_obj_getmask(SEXP_t *obj);