/*
* Copyright (c) 1990, 1991, 1993, 1994, 1995, 1996, 1997
- * The Regents of the University of California. All rights reserved.
+ * John Robert LoVerso. All rights reserved.
+ *
+ * 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 THE AUTHOR ``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 THE AUTHOR 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.
*
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by John Robert LoVerso.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* This implementation has been influenced by the CMU SNMP release,
* by Steve Waldbusser. However, this shares no code with that system.
*/
#ifndef lint
-static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/print-snmp.c,v 1.40 2000-01-17 06:24:26 itojun Exp $ (LBL)";
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-snmp.c,v 1.56.2.3 2004-03-23 06:59:59 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include <sys/param.h>
-#include <sys/time.h>
+#include <tcpdump-stdinc.h>
-#include <ctype.h>
-#ifdef HAVE_MEMORY_H
-#include <memory.h>
-#endif
#include <stdio.h>
#include <string.h>
* Universal ASN.1 types
* (we only care about the tag values for those allowed in the Internet SMI)
*/
-char *Universal[] = {
+const char *Universal[] = {
"U-0",
"Boolean",
"Integer",
/*
* Application-wide ASN.1 types from the Internet SMI and their tags
*/
-char *Application[] = {
+const char *Application[] = {
"IpAddress",
#define IPADDR 0
"Counter",
/*
* Context-specific ASN.1 types for the SNMP PDUs and their tags
*/
-char *Context[] = {
+const char *Context[] = {
"GetRequest",
#define GETREQ 0
"GetNextRequest",
/*
* Context-specific ASN.1 types for the SNMP Exceptions and their tags
*/
-char *Exceptions[] = {
+const char *Exceptions[] = {
"noSuchObject",
#define NOSUCHOBJECT 0
"noSuchInstance",
* Private ASN.1 types
* The Internet SMI does not specify any
*/
-char *Private[] = {
+const char *Private[] = {
"P-0"
};
/*
* error-status values for any SNMP PDU
*/
-char *ErrorStatus[] = {
+const char *ErrorStatus[] = {
"noError",
"tooBig",
"noSuchName",
"inconsistentName"
};
#define DECODE_ErrorStatus(e) \
- ( e >= 0 && e < sizeof(ErrorStatus)/sizeof(ErrorStatus[0]) \
+ ( e >= 0 && (size_t)e < sizeof(ErrorStatus)/sizeof(ErrorStatus[0]) \
? ErrorStatus[e] \
: (snprintf(errbuf, sizeof(errbuf), "err=%u", e), errbuf))
/*
* generic-trap values in the SNMP Trap-PDU
*/
-char *GenericTrap[] = {
+const char *GenericTrap[] = {
"coldStart",
"warmStart",
"linkDown",
"authenticationFailure",
"egpNeighborLoss",
"enterpriseSpecific"
-#define GT_ENTERPRISE 7
+#define GT_ENTERPRISE 6
};
#define DECODE_GenericTrap(t) \
- ( t >= 0 && t < sizeof(GenericTrap)/sizeof(GenericTrap[0]) \
+ ( t >= 0 && (size_t)t < sizeof(GenericTrap)/sizeof(GenericTrap[0]) \
? GenericTrap[t] \
: (snprintf(buf, sizeof(buf), "gt=%d", t), buf))
*/
#define defineCLASS(x) { "x", x, sizeof(x)/sizeof(x[0]) } /* not ANSI-C */
struct {
- char *name;
- char **Id;
+ const char *name;
+ const char **Id;
int numIDs;
} Class[] = {
defineCLASS(Universal),
/*
* defined forms for ASN.1 types
*/
-char *Form[] = {
+const char *Form[] = {
"Primitive",
#define PRIMITIVE 0
"Constructed",
* This is stored as a general-order tree.
*/
struct obj {
- char *desc; /* name of object */
+ const char *desc; /* name of object */
u_char oid; /* sub-id following parent */
u_char type; /* object type (unused) */
struct obj *child, *next; /* child and next sibling pointers */
* private enterprises tree, and the experimental tree.
*/
struct obj_abrev {
- char *prefix; /* prefix for this abrev */
+ const char *prefix; /* prefix for this abrev */
struct obj *node; /* pointer into object table */
- char *oid; /* ASN.1 encoded OID */
+ const char *oid; /* ASN.1 encoded OID */
} obj_abrev_list[] = {
#ifndef NO_ABREV_MIB
/* .iso.org.dod.internet.mgmt.mib */
/*
* SNMP versions recognized by this module
*/
-char *SnmpVersion[] = {
+const char *SnmpVersion[] = {
"SNMPv1",
#define SNMP_VERSION_1 0
"SNMPv2c",
elem->form = form;
elem->class = class;
elem->id = id;
- if (vflag)
- printf("|%.2x", *p);
p++; len--; hdr = 1;
/* extended tag field */
if (id == ASN_ID_EXT) {
- for (id = 0; *p & ASN_BIT8 && len > 0; len--, hdr++, p++) {
- if (vflag)
- printf("|%.2x", *p);
+ for (id = 0; *p & ASN_BIT8 && len > 0; len--, hdr++, p++)
id = (id << 7) | (*p & ~ASN_BIT8);
- }
if (len == 0 && *p & ASN_BIT8) {
ifNotTruncated fputs("[Xtagfield?]", stdout);
return -1;
return -1;
}
elem->asnlen = *p;
- if (vflag)
- printf("|%.2x", *p);
p++; len--; hdr++;
if (elem->asnlen & ASN_BIT8) {
- int noct = elem->asnlen % ASN_BIT8;
+ u_int32_t noct = elem->asnlen % ASN_BIT8;
elem->asnlen = 0;
if (len < noct) {
ifNotTruncated printf("[asnlen? %d<%d]", len, noct);
return -1;
}
- for (; noct-- > 0; len--, hdr++) {
- if (vflag)
- printf("|%.2x", *p);
+ for (; noct-- > 0; len--, hdr++)
elem->asnlen = (elem->asnlen << ASN_SHIFT8) | *p++;
- }
}
if (len < elem->asnlen) {
if (!truncated) {
elem->type = BE_UNS64;
high = 0, low = 0;
for (i = elem->asnlen; i-- > 0; p++) {
- high = (high << 8) |
+ high = (high << 8) |
((low & 0xFF000000) >> 24);
low = (low << 8) | *p;
}
{
u_char *p = (u_char *)elem->data.raw;
u_int32_t asnlen = elem->asnlen;
- int i;
+ u_int32_t i;
switch (elem->type) {
case BE_OCTET:
- for (i = asnlen; i-- > 0; p++);
+ for (i = asnlen; i-- > 0; p++)
printf("_%.2x", *p);
break;
o = (o << ASN_SHIFT7) + (*p & ~ASN_BIT8);
if (*p & ASN_LONGLEN)
continue;
-
+
/*
* first subitem encodes two items with 1st*OIDMUX+2nd
+ * (see X.690:1997 clause 8.19 for the details)
*/
if (first < 0) {
+ int s;
if (!nflag)
objp = mibroot;
first = 0;
- OBJ_PRINT(o/OIDMUX, first);
- o %= OIDMUX;
+ s = o / OIDMUX;
+ if (s > 2) s = 2;
+ OBJ_PRINT(s, first);
+ o -= s * OIDMUX;
}
OBJ_PRINT(o, first);
if (--first < 0)
break;
}
d = elem->data.uns64.high * 4294967296.0; /* 2^32 */
- if (elem->data.uns64.high <= 0x1fffff) {
+ if (elem->data.uns64.high <= 0x1fffff) {
d += elem->data.uns64.low;
-#if 0 /*is looks illegal, but what is the intention???*/
+#if 0 /*is looks illegal, but what is the intention?*/
printf("%.f", d);
#else
printf("%f", d);
break;
}
d += (elem->data.uns64.low & 0xfffff000);
-#if 0 /*is looks illegal, but what is the intention???*/
+#if 0 /*is looks illegal, but what is the intention?*/
snprintf(first, sizeof(first), "%.f", d);
#else
snprintf(first, sizeof(first), "%f", d);
case BE_INETADDR:
if (asnlen != ASNLEN_INETADDR)
printf("[inetaddr len!=%d]", ASNLEN_INETADDR);
- for (i = asnlen; i-- > 0; p++) {
+ for (i = asnlen; i-- != 0; p++) {
printf((i == asnlen-1) ? "%u" : ".%u", *p);
}
break;
int be;
};
-struct smi2be smi2betab[] = {
+static struct smi2be smi2betab[] = {
{ SMI_BASETYPE_INTEGER32, BE_INT },
{ SMI_BASETYPE_OCTETSTRING, BE_STR },
{ SMI_BASETYPE_OCTETSTRING, BE_INETADDR },
};
static void smi_decode_oid(struct be *elem, unsigned int *oid,
- unsigned int *oidlen)
+ unsigned int oidsize, unsigned int *oidlen)
{
u_char *p = (u_char *)elem->data.raw;
u_int32_t asnlen = elem->asnlen;
o = (o << ASN_SHIFT7) + (*p & ~ASN_BIT8);
if (*p & ASN_LONGLEN)
continue;
-
+
/*
* first subitem encodes two items with 1st*OIDMUX+2nd
+ * (see X.690:1997 clause 8.19 for the details)
*/
if (first < 0) {
first = 0;
- oid[(*oidlen)++] = o/OIDMUX;
- o %= OIDMUX;
+ if (*oidlen < oidsize) {
+ oid[*oidlen] = o / OIDMUX;
+ if (oid[*oidlen] > 2) oid[*oidlen] = 2;
+ }
+ o -= oid[*oidlen] * OIDMUX;
+ if (*oidlen < oidsize) (*oidlen)++;
+ }
+ if (*oidlen < oidsize) {
+ oid[(*oidlen)++] = o;
}
- oid[(*oidlen)++] = o;
o = 0;
}
}
static int smi_check_a_range(SmiType *smiType, SmiRange *smiRange,
struct be *elem)
{
- int ok;
-
+ int ok = 1;
+
switch (smiType->basetype) {
case SMI_BASETYPE_OBJECTIDENTIFIER:
case SMI_BASETYPE_OCTETSTRING:
ok = (elem->data.integer >= smiRange->minValue.value.integer32
&& elem->data.integer <= smiRange->maxValue.value.integer32);
break;
-
+
case SMI_BASETYPE_UNSIGNED32:
ok = (elem->data.uns >= smiRange->minValue.value.unsigned32
&& elem->data.uns <= smiRange->maxValue.value.unsigned32);
break;
-
+
case SMI_BASETYPE_UNSIGNED64:
/* XXX */
break;
SmiRange *smiRange;
int ok = 1;
- for (smiRange = smiGetFirstRange(smiType->module, smiType->name);
+ for (smiRange = smiGetFirstRange(smiType);
smiRange;
smiRange = smiGetNextRange(smiRange)) {
ok = smi_check_a_range(smiType, smiRange, elem);
-
+
if (ok) {
- smiFreeRange(smiRange);
break;
}
}
- if (ok && smiType->parentmodule && smiType->parentname) {
+ if (ok) {
SmiType *parentType;
- parentType = smiGetType(smiType->parentmodule,
- smiType->parentname);
+ parentType = smiGetParentType(smiType);
if (parentType) {
ok = smi_check_range(parentType, elem);
- smiFreeType(parentType);
}
}
SmiNode *smiNode = NULL;
int i;
- smi_decode_oid(elem, oid, &oidlen);
+ smi_decode_oid(elem, oid, sizeof(oid)/sizeof(unsigned int), &oidlen);
smiNode = smiGetNodeByOID(oidlen, oid);
if (! smiNode) {
asn1_print(elem);
return NULL;
}
if (vflag) {
- fputs(smiNode->module, stdout);
+ fputs(smiGetNodeModule(smiNode)->name, stdout);
fputs("::", stdout);
}
fputs(smiNode->name, stdout);
return;
}
+ if (elem->type == BE_NOSUCHOBJECT
+ || elem->type == BE_NOSUCHINST
+ || elem->type == BE_ENDOFMIBVIEW) {
+ asn1_print(elem);
+ return;
+ }
+
if (NOTIFY_CLASS(pduid) && smiNode->access < SMI_ACCESS_NOTIFY) {
fputs("[notNotifyable]", stdout);
}
fputs("[noAccess]", stdout);
}
- if (! smi_check_type(smiNode->basetype, elem->type)) {
- fputs("[wrongType]", stdout);
- }
-
- smiType = smiGetType(smiNode->typemodule, smiNode->typename);
+ smiType = smiGetNodeType(smiNode);
if (! smiType) {
asn1_print(elem);
return;
}
+ if (! smi_check_type(smiType->basetype, elem->type)) {
+ fputs("[wrongType]", stdout);
+ }
+
if (! smi_check_range(smiType, elem)) {
- fputs("[wrongLength]", stdout);
+ fputs("[outOfRange]", stdout);
}
/* resolve bits to named bits */
/* apply display hints (integer, octetstring) */
/* convert instance identifier to index type values */
-
+
switch (elem->type) {
case BE_OID:
- if (smiNode->basetype == SMI_BASETYPE_BITS
- && smiNode->typemodule && smiNode->typename) {
+ if (smiType->basetype == SMI_BASETYPE_BITS) {
/* print bit labels */
} else {
- smi_decode_oid(elem, oid, &oidlen);
+ smi_decode_oid(elem, oid,
+ sizeof(oid)/sizeof(unsigned int),
+ &oidlen);
smiNode = smiGetNodeByOID(oidlen, oid);
if (smiNode) {
if (vflag) {
- fputs(smiNode->module, stdout);
+ fputs(smiGetNodeModule(smiNode)->name, stdout);
fputs("::", stdout);
}
fputs(smiNode->name, stdout);
if (smiNode->oidlen < oidlen) {
- for (i = smiNode->oidlen;
+ for (i = smiNode->oidlen;
i < oidlen; i++) {
printf(".%u", oid[i]);
}
break;
case BE_INT:
- if (smiNode->basetype == SMI_BASETYPE_ENUM
- && smiNode->typemodule && smiNode->typename) {
- for (nn = smiGetFirstNamedNumber(smiNode->typemodule,
- smiNode->typename);
+ if (smiType->basetype == SMI_BASETYPE_ENUM) {
+ for (nn = smiGetFirstNamedNumber(smiType);
nn;
nn = smiGetNextNamedNumber(nn)) {
if (nn->value.value.integer32
if (! done) {
asn1_print(elem);
}
-
- if (smiType) {
- smiFreeType(smiType);
- }
}
#endif
asn1_print(&elem);
return;
}
- if (count < length)
+ if ((u_int)count < length)
printf("[%d extra after SEQ of varbind]", length - count);
/* descend */
length = elem.asnlen;
if (elem.type != BE_NULL) {
#ifdef LIBSMI
smi_print_value(smiNode, pduid, &elem);
- smiFreeNode(smiNode);
#else
asn1_print(&elem);
#endif
asn1_print(&elem);
return;
}
- /* ignore the reqId */
+ if (vflag)
+ printf("R=%d ", elem.data.integer);
length -= count;
np += count;
fputs("[no PDU]", stdout);
return;
}
- if (count < length)
+ if ((u_int)count < length)
printf("[%d extra after PDU]", length - count);
+ if (vflag) {
+ fputs("{ ", stdout);
+ }
asn1_print(&pdu);
+ fputs(" ", stdout);
/* descend into PDU */
length = pdu.asnlen;
np = (u_char *)pdu.data.raw;
if (version == SNMP_VERSION_1 &&
- (pdu.id == GETBULKREQ || pdu.id == INFORMREQ ||
+ (pdu.id == GETBULKREQ || pdu.id == INFORMREQ ||
pdu.id == V2TRAP || pdu.id == REPORT)) {
printf("[v2 PDU in v1 message]");
return;
snmppdu_print(pdu.id, np, length);
break;
}
+
+ if (vflag) {
+ fputs(" } ", stdout);
+ }
}
/*
return;
}
/* default community */
- if (strncmp((char *)elem.data.str, DEF_COMMUNITY,
- sizeof(DEF_COMMUNITY) - 1))
+ if (!(elem.asnlen == sizeof(DEF_COMMUNITY) - 1 &&
+ strncmp((char *)elem.data.str, DEF_COMMUNITY,
+ sizeof(DEF_COMMUNITY) - 1) == 0))
/* ! "public" */
printf("C=%.*s ", (int)elem.asnlen, elem.data.str);
length -= count;
asn1_print(&elem);
return;
}
- if (vflag)
+ if (vflag)
printf("B=%d ", elem.data.integer);
length -= count;
np += count;
asn1_print(&elem);
return;
}
- if (vflag)
+ if (vflag)
printf("T=%d ", elem.data.integer);
length -= count;
np += count;
length -= count;
np += count;
- if (count < length)
+ if ((u_int)count < length)
printf("[%d extra after usm SEQ]", length - count);
}
length = elem.asnlen;
np = (u_char *)elem.data.raw;
+ if (vflag) {
+ fputs("{ ", stdout);
+ }
+
/* msgID (INTEGER) */
if ((count = asn1_parse(np, length, &elem)) < 0)
return;
return;
}
flags = elem.data.str[0];
- if (flags != 0x00 && flags != 0x01 && flags != 0x03
+ if (flags != 0x00 && flags != 0x01 && flags != 0x03
&& flags != 0x04 && flags != 0x05 && flags != 0x07) {
printf("[msgFlags=0x%02X]", flags);
return;
length -= count;
np += count;
- if (count < length)
+ if ((u_int)count < length)
printf("[%d extra after message SEQ]", length - count);
+ if (vflag) {
+ fputs("} ", stdout);
+ }
+
if (model == 3) {
if (vflag) {
- fputs("USM ", stdout);
+ fputs("{ USM ", stdout);
}
} else {
printf("[security model %d]", model);
if (model == 3) {
usm_print(elem.data.str, elem.asnlen);
+ if (vflag) {
+ fputs("} ", stdout);
+ }
}
if (vflag) {
- fputs("ScopedPDU ", stdout);
+ fputs("{ ScopedPDU ", stdout);
}
scopedpdu_print(np, length, 3);
+
+ if (vflag) {
+ fputs("} ", stdout);
+ }
}
/*
asn1_print(&elem);
return;
}
- if (count < length)
+ if ((u_int)count < length)
printf("[%d extra after iSEQ]", length - count);
/* descend */
length = elem.asnlen;
case SNMP_VERSION_2:
case SNMP_VERSION_3:
if (vflag)
- printf("%s ", SnmpVersion[elem.data.integer]);
+ printf("{ %s ", SnmpVersion[elem.data.integer]);
break;
default:
printf("[version = %d]", elem.data.integer);
printf("[version = %d]", elem.data.integer);
break;
}
+
+ if (vflag) {
+ fputs("} ", stdout);
+ }
}
projects / tcpdump / blobdiff