freebsd-dev/contrib/bsnmp/gensnmpdef/gensnmpdef.c
2004-08-06 13:38:30 +00:00

430 lines
8.5 KiB
C

/*
* Copyright (C) 2004
* Hartmut Brandt.
* All rights reserved.
*
* Author: Harti Brandt <harti@freebsd.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Begemot: bsnmp/gensnmpdef/gensnmpdef.c,v 1.3 2004/08/06 08:46:45 brandt Exp $
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <err.h>
#include <assert.h>
#include <smi.h>
static const char usgtxt[] =
"Usage: gensnmpdef [-h] [-c <cut>] MIB [MIB ...]\n"
"Options:\n"
" -c specify the number of initial sub-oids to cut from the oids\n"
" -h print this help\n"
"MIBs are searched according to the libsmi(3) search rules and can\n"
"be specified either by path or module name\n";
static SmiNode *last_node;
static u_int cut = 3;
static void print_node(SmiNode *n, u_int level);
static void
save_node(SmiNode *n)
{
if (n != NULL)
last_node = n;
}
static void
pindent(u_int level)
{
if (level >= cut)
printf("%*s", (level - cut) * 2, "");
}
static void
print_name(SmiNode *n)
{
char *p;
for (p = n->name; *p != '\0'; p++) {
if (*p == '-')
printf("_");
else
printf("%c", *p);
}
}
static u_int
close_node(u_int n, u_int level)
{
while (n--) {
pindent(level);
level--;
if (level >= cut)
printf(")\n");
}
return (level);
}
static u_int
open_node(const SmiNode *n, u_int level, SmiNode **last)
{
SmiNode *n1;
u_int i;
if (*last != NULL) {
for (i = 0; i < (*last)->oidlen - 1; i++) {
if (i >= n->oidlen) {
level = close_node((*last)->oidlen -
n->oidlen, level);
break;
}
if ((*last)->oid[i] != n->oid[i])
break;
}
if (i < (*last)->oidlen - 1)
level = close_node((*last)->oidlen - 1 - i,
level - 1) + 1;
}
while (level < n->oidlen - 1) {
if (level >= cut) {
pindent(level);
printf("(%u", n->oid[level]);
n1 = smiGetNodeByOID(level + 1, n->oid);
printf(" ");
print_name(n1);
printf("\n");
}
level++;
}
return (level);
}
static const char *const type_names[] = {
[SMI_BASETYPE_UNKNOWN] = "UNKNOWN_TYPE",
[SMI_BASETYPE_INTEGER32] = "INTEGER",
[SMI_BASETYPE_OCTETSTRING] = "OCTETSTRING",
[SMI_BASETYPE_OBJECTIDENTIFIER] = "OID",
[SMI_BASETYPE_UNSIGNED32] = "UNSIGNED32",
[SMI_BASETYPE_INTEGER64] = "INTEGER64",
[SMI_BASETYPE_UNSIGNED64] = "UNSIGNED64",
[SMI_BASETYPE_FLOAT32] = "FLOAT32",
[SMI_BASETYPE_FLOAT64] = "FLOAT64",
[SMI_BASETYPE_FLOAT128] = "FLOAT128",
[SMI_BASETYPE_ENUM] = "INTEGER",
[SMI_BASETYPE_BITS] = "BITS",
};
static const char *const type_map[] = {
"Gauge32", "GAUGE",
"Gauge", "GAUGE",
"TimeTicks", "TIMETICKS",
"Counter32", "COUNTER",
"Counter", "COUNTER",
"Counter64", "COUNTER64",
"Integer32", "INTEGER32",
"IpAddress", "IPADDRESS",
NULL
};
static void
print_type(SmiNode *n)
{
SmiType *type;
u_int m;
type = smiGetNodeType(n);
assert(type != NULL);
if (type->name != NULL) {
for (m = 0; type_map[m] != NULL; m += 2)
if (strcmp(type_map[m], type->name) == 0) {
printf("%s", type_map[m + 1]);
return;
}
}
printf("%s", type_names[type->basetype]);
}
static void
print_access(SmiAccess a)
{
if (a == SMI_ACCESS_READ_ONLY)
printf(" GET");
else if (a == SMI_ACCESS_READ_WRITE)
printf(" GET SET");
}
static void
print_scalar(SmiNode *n, u_int level)
{
SmiNode *p;
assert (n->nodekind == SMI_NODEKIND_SCALAR);
save_node(n);
pindent(level);
printf("(%u ", n->oid[level]);
print_name(n);
printf(" ");
print_type(n);
/* generate the operation from the parent node name */
p = smiGetParentNode(n);
printf(" op_%s", p->name);
print_access(n->access);
printf(")\n");
}
static void
print_notification(SmiNode *n, u_int level)
{
assert (n->nodekind == SMI_NODEKIND_NOTIFICATION);
save_node(n);
pindent(level);
printf("(%u ", n->oid[level]);
print_name(n);
printf(" OID");
printf(" op_%s)\n", n->name);
}
static void
print_col(SmiNode *n, u_int level)
{
assert (n->nodekind == SMI_NODEKIND_COLUMN);
save_node(n);
pindent(level);
printf("(%u ", n->oid[level]);
print_name(n);
printf(" ");
print_type(n);
print_access(n->access);
printf(")\n");
}
static void
print_index(SmiNode *row)
{
SmiElement *e;
e = smiGetFirstElement(row);
while (e != NULL) {
printf(" ");
print_type(smiGetElementNode(e));
e = smiGetNextElement(e);
}
}
static void
print_table(SmiNode *n, u_int level)
{
SmiNode *row, *col, *rel;
assert (n->nodekind == SMI_NODEKIND_TABLE);
save_node(n);
pindent(level);
printf("(%u ", n->oid[level]);
print_name(n);
printf("\n");
row = smiGetFirstChildNode(n);
if (row->nodekind != SMI_NODEKIND_ROW)
errx(1, "%s: kind %u, not row", __func__, row->nodekind);
save_node(n);
pindent(level + 1);
printf("(%u ", row->oid[level + 1]);
print_name(row);
printf(" :");
/* index */
rel = smiGetRelatedNode(row);
switch (row->indexkind) {
case SMI_INDEX_INDEX:
print_index(row);
break;
case SMI_INDEX_AUGMENT:
if (rel == NULL)
errx(1, "%s: cannot find augemented table", row->name);
print_index(rel);
break;
default:
errx(1, "%s: cannot handle index kind %u", row->name,
row->indexkind);
}
printf(" op_%s", n->name);
printf("\n");
col = smiGetFirstChildNode(row);
while (col != NULL) {
print_col(col, level + 2);
col = smiGetNextChildNode(col);
}
pindent(level + 1);
printf(")\n");
pindent(level);
printf(")\n");
}
static void
print_it(SmiNode *n, u_int level)
{
switch (n->nodekind) {
case SMI_NODEKIND_NODE:
print_node(n, level);
break;
case SMI_NODEKIND_SCALAR:
print_scalar(n, level);
break;
case SMI_NODEKIND_TABLE:
print_table(n, level);
break;
case SMI_NODEKIND_COMPLIANCE:
case SMI_NODEKIND_GROUP:
save_node(n);
break;
case SMI_NODEKIND_NOTIFICATION:
print_notification(n, level);
break;
default:
errx(1, "cannot handle %u nodes", n->nodekind);
}
}
static void
print_node(SmiNode *n, u_int level)
{
assert (n->nodekind == SMI_NODEKIND_NODE);
save_node(n);
pindent(level);
printf("(%u ", n->oid[level]);
print_name(n);
printf("\n");
n = smiGetFirstChildNode(n);
while (n != NULL) {
print_it(n, level + 1);
n = smiGetNextChildNode(n);
}
pindent(level);
printf(")\n");
}
int
main(int argc, char *argv[])
{
int opt;
int flags;
SmiModule **mods;
char *name;
SmiNode *n, *last;
u_int level;
long u;
char *end;
smiInit(NULL);
while ((opt = getopt(argc, argv, "c:h")) != -1)
switch (opt) {
case 'c':
errno = 0;
u = strtol(optarg, &end, 10);
if (errno != 0)
err(1, "argument to -c");
if (*end != '\0')
err(1, "%s: not a number", optarg);
if (u < 0 || u > 5)
err(1, "%s: out of range", optarg);
cut = (u_int)u;
break;
case 'h':
fprintf(stderr, usgtxt);
exit(0);
}
argc -= optind;
argv += optind;
flags = smiGetFlags();
flags |= SMI_FLAG_ERRORS;
smiSetFlags(flags);
mods = malloc(sizeof(mods[0]) * argc);
if (mods == NULL)
err(1, NULL);
for (opt = 0; opt < argc; opt++) {
if ((name = smiLoadModule(argv[opt])) == NULL)
err(1, "%s: cannot load", argv[opt]);
mods[opt] = smiGetModule(name);
}
level = 0;
last = NULL;
for (opt = 0; opt < argc; opt++) {
n = smiGetFirstNode(mods[opt], SMI_NODEKIND_ANY);
for (;;) {
level = open_node(n, level, &last);
print_it(n, level);
last = n;
if (last_node == NULL ||
(n = smiGetNextNode(last_node, SMI_NODEKIND_ANY))
== NULL)
break;
}
}
level = close_node(last->oidlen - 1, level - 1);
return (0);
}