📄 mib.c
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//==========================================================================
//
// ./lib/current/src/mib.c
//
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos 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 2 or (at your option) any later version.
//
// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//####UCDSNMPCOPYRIGHTBEGIN####
//
// -------------------------------------------
//
// Portions of this software may have been derived from the UCD-SNMP
// project, <http://ucd-snmp.ucdavis.edu/> from the University of
// California at Davis, which was originally based on the Carnegie Mellon
// University SNMP implementation. Portions of this software are therefore
// covered by the appropriate copyright disclaimers included herein.
//
// The release used was version 4.1.2 of May 2000. "ucd-snmp-4.1.2"
// -------------------------------------------
//
//####UCDSNMPCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): hmt
// Contributors: hmt
// Date: 2000-05-30
// Purpose: Port of UCD-SNMP distribution to eCos.
// Description:
//
//
//####DESCRIPTIONEND####
//
//==========================================================================
/********************************************************************
Copyright 1989, 1991, 1992 by Carnegie Mellon University
Derivative Work -
Copyright 1996, 1998, 1999, 2000 The Regents of the University of California
All Rights Reserved
Permission to use, copy, modify and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appears in all copies and
that both that copyright notice and this permission notice appear in
supporting documentation, and that the name of CMU and The Regents of
the University of California not be used in advertising or publicity
pertaining to distribution of the software without specific written
permission.
CMU AND THE REGENTS OF THE UNIVERSITY OF CALIFORNIA DISCLAIM ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL CMU OR
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA BE LIABLE FOR ANY SPECIAL,
INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
FROM THE 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.
*********************************************************************/
/*
* mib.c
*
* Update: 1998-07-17 <jhy@gsu.edu>
* Added print_oid_report* functions.
*
*/
/**********************************************************************
Copyright 1988, 1989, 1991, 1992 by Carnegie Mellon University
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of CMU not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
CMU BE LIABLE FOR ANY SPECIAL, 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 <config.h>
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#if HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#if TIME_WITH_SYS_TIME
# ifdef WIN32
# include <sys/timeb.h>
# else
# include <sys/time.h>
# endif
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#if HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#if HAVE_WINSOCK_H
#include <winsock.h>
#endif
#if HAVE_DMALLOC_H
#include <dmalloc.h>
#endif
#include "asn1.h"
#include "snmp_api.h"
#include "mib.h"
#include "snmp.h"
#include "snmp_impl.h"
#include "parse.h"
#include "int64.h"
#include "system.h"
#include "read_config.h"
#include "snmp_debug.h"
#include "default_store.h"
static void sprint_by_type (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static int parse_subtree (struct tree *, const char *, oid *, size_t *);
static struct tree * _sprint_objid(char *buf, oid *objid, size_t objidlen);
static char *uptimeString (u_long, char *);
static void sprint_octet_string (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_opaque (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_object_identifier (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_timeticks (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_hinted_integer (char *, long, const char *, const char *);
static void sprint_integer (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_uinteger (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_gauge (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_counter (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_networkaddress (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_ipaddress (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_null (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_bitstring (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_nsapaddress (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_counter64 (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_unknowntype (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_badtype (char *, struct variable_list *, struct enum_list *, const char *, const char *);
struct tree *_get_symbol(oid *objid, size_t objidlen, struct tree *subtree, char *buf, struct index_list *in_dices, char **end_of_known);
#ifdef OPAQUE_SPECIAL_TYPES
static void sprint_float (char *, struct variable_list *, struct enum_list *, const char *, const char *);
static void sprint_double (char *, struct variable_list *, struct enum_list *, const char *, const char *);
#endif
void print_tree_node (FILE *f, struct tree *tp);
/* helper functions for get_module_node */
int node_to_oid(struct tree *, oid *, size_t *);
static int _add_strings_to_oid(struct tree *, char *,
oid *, size_t *, size_t);
extern struct tree *tree_head;
struct tree *Mib; /* Backwards compatibility */
oid RFC1213_MIB[] = { 1, 3, 6, 1, 2, 1 };
static char Standard_Prefix[] = ".1.3.6.1.2.1";
/* Set default here as some uses of read_objid require valid pointer. */
static char *Prefix = &Standard_Prefix[0];
typedef struct _PrefixList {
const char *str;
int len;
} *PrefixListPtr, PrefixList;
/*
* Here are the prefix strings.
* Note that the first one finds the value of Prefix or Standard_Prefix.
* Any of these MAY start with period; all will NOT end with period.
* Period is added where needed. See use of Prefix in this module.
*/
PrefixList mib_prefixes[] = {
{ &Standard_Prefix[0] }, /* placeholder for Prefix data */
{ ".iso.org.dod.internet.mgmt.mib-2" },
{ ".iso.org.dod.internet.experimental" },
{ ".iso.org.dod.internet.private" },
{ ".iso.org.dod.internet.snmpParties" },
{ ".iso.org.dod.internet.snmpSecrets" },
{ NULL, 0 } /* end of list */
};
static char *
uptimeString(u_long timeticks,
char *buf)
{
int centisecs, seconds, minutes, hours, days;
centisecs = timeticks % 100;
timeticks /= 100;
days = timeticks / (60 * 60 * 24);
timeticks %= (60 * 60 * 24);
hours = timeticks / (60 * 60);
timeticks %= (60 * 60);
minutes = timeticks / 60;
seconds = timeticks % 60;
if (ds_get_boolean(DS_LIBRARY_ID, DS_LIB_QUICK_PRINT))
sprintf(buf, "%d:%d:%02d:%02d.%02d",
days, hours, minutes, seconds, centisecs);
else {
if (days == 0){
sprintf(buf, "%d:%02d:%02d.%02d",
hours, minutes, seconds, centisecs);
} else if (days == 1) {
sprintf(buf, "%d day, %d:%02d:%02d.%02d",
days, hours, minutes, seconds, centisecs);
} else {
sprintf(buf, "%d days, %d:%02d:%02d.%02d",
days, hours, minutes, seconds, centisecs);
}
}
return buf;
}
void sprint_hexstring(char *buf,
const u_char *cp,
size_t len)
{
for(; len >= 16; len -= 16){
sprintf(buf, "%02X %02X %02X %02X %02X %02X %02X %02X ", cp[0], cp[1], cp[2], cp[3], cp[4], cp[5], cp[6], cp[7]);
buf += strlen(buf);
cp += 8;
sprintf(buf, "%02X %02X %02X %02X %02X %02X %02X %02X", cp[0], cp[1], cp[2], cp[3], cp[4], cp[5], cp[6], cp[7]);
buf += strlen(buf);
if (len > 16) { *buf++ = '\n'; *buf = 0; }
cp += 8;
}
for(; len > 0; len--){
sprintf(buf, "%02X ", *cp++);
buf += strlen(buf);
}
*buf = '\0';
}
void sprint_asciistring(char *buf,
u_char *cp,
size_t len)
{
int x;
for(x = 0; x < (int)len; x++){
if (isprint(*cp)){
*buf++ = *cp++;
} else {
*buf++ = '.';
cp++;
}
#if 0
if ((x % 48) == 47)
*buf++ = '\n';
#endif
}
*buf = '\0';
}
/*
0
< 4
hex
0 ""
< 4 hex Hex: oo oo oo
< 4 "fgh" Hex: oo oo oo
> 4 hex Hex: oo oo oo oo oo oo oo oo
> 4 "this is a test"
*/
static void
sprint_octet_string(char *buf,
struct variable_list *var,
struct enum_list *enums,
const char *hint,
const char *units)
{
int hex, x;
u_char *cp;
const char *saved_hint = hint;
char *saved_buf = buf;
if (var->type != ASN_OCTET_STR){
sprintf(buf, "Wrong Type (should be OCTET STRING): ");
buf += strlen(buf);
sprint_by_type(buf, var, NULL, NULL, NULL);
return;
}
if (hint) {
int repeat, width = 1;
long value;
char code = 'd', separ = 0, term = 0, ch;
u_char *ecp;
*buf = 0;
cp = var->val.string;
ecp = cp + var->val_len;
while (cp < ecp) {
repeat = 1;
if (*hint) {
if (*hint == '*') {
repeat = *cp++;
hint++;
}
width = 0;
while ('0' <= *hint && *hint <= '9')
width = width * 10 + *hint++ - '0';
code = *hint++;
if ((ch = *hint) && ch != '*' && (ch < '0' || ch > '9')
&& (width != 0 || (ch != 'x' && ch != 'd' && ch != 'o')))
separ = *hint++;
else separ = 0;
if ((ch = *hint) && ch != '*' && (ch < '0' || ch > '9')
&& (width != 0 || (ch != 'x' && ch != 'd' && ch != 'o')))
term = *hint++;
else term = 0;
if (width == 0) width = 1;
}
while (repeat && cp < ecp) {
value = 0;
if (code != 'a')
for (x = 0; x < width; x++) value = value * 256 + *cp++;
switch (code) {
case 'x':
sprintf (buf, "%lx", value); break;
case 'd':
sprintf (buf, "%ld", value); break;
case 'o':
sprintf (buf, "%lo", value); break;
case 'a':
for (x = 0; x < width && cp < ecp; x++)
*buf++ = *cp++;
*buf = 0;
break;
default:
sprintf(saved_buf, "(Bad hint ignored: %s) ", saved_hint);
sprint_octet_string(saved_buf+strlen(saved_buf),
var, enums, NULL, NULL);
return;
}
buf += strlen (buf);
if (cp < ecp && separ) *buf++ = separ;
repeat--;
}
if (term && cp < ecp) *buf++ = term;
}
if (units) sprintf (buf, " %s", units);
return;
}
hex = 0;
for(cp = var->val.string, x = 0; x < (int)var->val_len; x++, cp++){
if (!(isprint(*cp) || isspace(*cp)))
hex = 1;
}
if (var->val_len == 0){
strcpy(buf, "\"\"");
return;
}
if (!hex){
*buf++ = '"';
sprint_asciistring(buf, var->val.string, var->val_len);
buf += strlen(buf);
*buf++ = '"';
*buf = '\0';
}
if (hex || ((var->val_len <= 4) && !ds_get_boolean(DS_LIBRARY_ID, DS_LIB_QUICK_PRINT))){
if (ds_get_boolean(DS_LIBRARY_ID, DS_LIB_QUICK_PRINT)){
*buf++ = '"';
*buf = '\0';
} else {
sprintf(buf, " Hex: ");
buf += strlen(buf);
}
sprint_hexstring(buf, var->val.string, var->val_len);
if (ds_get_boolean(DS_LIBRARY_ID, DS_LIB_QUICK_PRINT)){
buf += strlen(buf);
*buf++ = '"';
*buf = '\0';
}
}
if (units) sprintf (buf, " %s", units);
}
#ifdef OPAQUE_SPECIAL_TYPES
static void
sprint_float(char *buf,
struct variable_list *var,
struct enum_list *enums,
const char *hint,
const char *units)
{
if (var->type != ASN_OPAQUE_FLOAT) {
sprintf(buf, "Wrong Type (should be Float): ");
buf += strlen(buf);
sprint_by_type(buf, var, NULL, NULL, NULL);
return;
}
if (!ds_get_boolean(DS_LIBRARY_ID, DS_LIB_QUICK_PRINT)){
sprintf(buf, "Opaque: Float:");
buf += strlen(buf);
}
sprintf(buf, " %f", *var->val.floatVal);
buf += strlen (buf);
if (units) sprintf (buf, " %s", units);
}
static void
sprint_double(char *buf,
struct variable_list *var,
struct enum_list *enums,
const char *hint,
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