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/* $OpenBSD: smi.h,v 1.4 2020/12/14 07:44:26 martijn Exp $ */
/*
* Copyright (c) 2019 Martijn van Duren <martijn@openbsd.org>
* Copyright (c) 2007, 2008 Reyk Floeter <reyk@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/tree.h>
#include <sys/queue.h>
#define OID_ROOT 0x00
#define OID_RD 0x01
#define OID_WR 0x02
#define OID_IFSET 0x04 /* only if user-specified value */
#define OID_DYNAMIC 0x08 /* free allocated data */
#define OID_TABLE 0x10 /* dynamic sub-elements */
#define OID_MIB 0x20 /* root-OID of a supported MIB */
#define OID_KEY 0x40 /* lookup tables */
#define OID_REGISTERED 0x80 /* OID registered by subagent */
#define OID_RS (OID_RD|OID_IFSET)
#define OID_WS (OID_WR|OID_IFSET)
#define OID_RW (OID_RD|OID_WR)
#define OID_RWS (OID_RW|OID_IFSET)
#define OID_TRD (OID_RD|OID_TABLE)
#define OID_TWR (OID_WR|OID_TABLE)
#define OID_TRS (OID_RD|OID_IFSET|OID_TABLE)
#define OID_TWS (OID_WR|OID_IFSET|OID_TABLE)
#define OID_TRW (OID_RD|OID_WR|OID_TABLE)
#define OID_TRWS (OID_RW|OID_IFSET|OID_TABLE)
enum smi_output_string {
smi_os_default,
smi_os_hex,
smi_os_ascii
};
enum smi_oid_lookup {
smi_oidl_numeric,
smi_oidl_short,
smi_oidl_full
};
struct oid {
struct ber_oid o_id;
#define o_oid o_id.bo_id
#define o_oidlen o_id.bo_n
const char *o_name;
const char *o_tcname;
struct textconv *o_textconv;
RB_ENTRY(oid) o_element;
RB_ENTRY(oid) o_keyword;
};
struct textconv_enum {
uint32_t tce_number;
const char *tce_name;
};
struct textconv {
const char *tc_name;
unsigned int tc_syntax;
const char *tc_display_hint;
struct textconv_enum *tc_enum;
RB_ENTRY(textconv) tc_entry;
};
int smi_init(void);
unsigned int smi_application(struct ber_element *);
int smi_string2oid(const char *, struct ber_oid *);
char *smi_oid2string(struct ber_oid *, char *, size_t, enum smi_oid_lookup);
void smi_mibtree(struct oid *);
void smi_textconvtree(struct textconv *);
struct oid *smi_foreach(struct oid *);
void smi_debug_elements(struct ber_element *, int);
char *smi_print_element(struct ber_oid *, struct ber_element *, int,
enum smi_output_string, enum smi_oid_lookup, int);
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