# @(#)snmp.awk.x 1.1 (LANL) 1/15/90
*/
+/* \summary: Simple Network Management Protocol (SNMP) printer */
+
#ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
#endif
-#include <tcpdump-stdinc.h>
+#include "netdissect-stdinc.h"
#include <stdio.h>
#include <string.h>
#include <smi.h>
#endif
-#include "interface.h"
+#include "netdissect-ctype.h"
+
+#define ND_LONGJMP_FROM_TCHECK
+#include "netdissect.h"
+#include "extract.h"
#undef OPAQUE /* defined in <wingdi.h> */
-static const char tstr[] = "[|snmp]";
/*
* Universal ASN.1 types
* A structure for the OID tree for the compiled-in MIB.
* This is stored as a general-order tree.
*/
-struct obj {
+static struct obj {
const char *desc; /* name of object */
u_char oid; /* sub-id following parent */
u_char type; /* object type (unused) */
* Currently, this includes the prefixes for the Internet MIB, the
* private enterprises tree, and the experimental tree.
*/
+#define OID_FIRST_OCTET(x, y) (((x)*40) + (y)) /* X.690 8.19.4 */
+
+#ifndef NO_ABREV_MIB
+static const uint8_t mib_oid[] = { OID_FIRST_OCTET(1, 3), 6, 1, 2, 1 };
+#endif
+#ifndef NO_ABREV_ENTER
+static const uint8_t enterprises_oid[] = { OID_FIRST_OCTET(1, 3), 6, 1, 4, 1 };
+#endif
+#ifndef NO_ABREV_EXPERI
+static const uint8_t experimental_oid[] = { OID_FIRST_OCTET(1, 3), 6, 1, 3 };
+#endif
+#ifndef NO_ABBREV_SNMPMODS
+static const uint8_t snmpModules_oid[] = { OID_FIRST_OCTET(1, 3), 6, 1, 6, 3 };
+#endif
+
+#define OBJ_ABBREV_ENTRY(prefix, obj) \
+ { prefix, &_ ## obj ## _obj, obj ## _oid, sizeof (obj ## _oid) }
static const struct obj_abrev {
const char *prefix; /* prefix for this abrev */
struct obj *node; /* pointer into object table */
- const char *oid; /* ASN.1 encoded OID */
+ const uint8_t *oid; /* ASN.1 encoded OID */
+ size_t oid_len; /* length of OID */
} obj_abrev_list[] = {
#ifndef NO_ABREV_MIB
/* .iso.org.dod.internet.mgmt.mib */
- { "", &_mib_obj, "\53\6\1\2\1" },
+ OBJ_ABBREV_ENTRY("", mib),
#endif
#ifndef NO_ABREV_ENTER
/* .iso.org.dod.internet.private.enterprises */
- { "E:", &_enterprises_obj, "\53\6\1\4\1" },
+ OBJ_ABBREV_ENTRY("E:", enterprises),
#endif
#ifndef NO_ABREV_EXPERI
/* .iso.org.dod.internet.experimental */
- { "X:", &_experimental_obj, "\53\6\1\3" },
+ OBJ_ABBREV_ENTRY("X:", experimental),
#endif
#ifndef NO_ABBREV_SNMPMODS
/* .iso.org.dod.internet.snmpV2.snmpModules */
- { "S:", &_snmpModules_obj, "\53\6\1\6\3" },
+ OBJ_ABBREV_ENTRY("S:", snmpModules),
#endif
- { 0,0,0 }
+ { 0,0,0,0 }
};
/*
} while ((objp = objp->next) != NULL); \
} \
if (objp) { \
- ND_PRINT((ndo, suppressdot?"%s":".%s", objp->desc)); \
+ ND_PRINT(suppressdot?"%s":".%s", objp->desc); \
objp = objp->child; \
} else \
- ND_PRINT((ndo, suppressdot?"%u":".%u", (o))); \
+ ND_PRINT(suppressdot?"%u":".%u", (o)); \
}
/*
int32_t integer;
uint32_t uns;
const u_char *str;
- struct {
- uint32_t high;
- uint32_t low;
- } uns64;
+ uint64_t uns64;
} data;
u_short id;
u_char form, class; /* tag info */
*/
static int
asn1_parse(netdissect_options *ndo,
- register const u_char *p, u_int len, struct be *elem)
+ const u_char *p, u_int len, struct be *elem)
{
u_char form, class, id;
- int i, hdr;
+ u_int i, hdr;
elem->asnlen = 0;
elem->type = BE_ANY;
if (len < 1) {
- ND_PRINT((ndo, "[nothing to parse]"));
- return -1;
+ ND_PRINT("[nothing to parse]");
+ goto invalid;
}
- ND_TCHECK(*p);
/*
* it would be nice to use a bit field, but you can't depend on them.
* +---+---+---+---+---+---+---+---+
* 7 6 5 4 3 2 1 0
*/
- id = *p & ASN_ID_BITS; /* lower 5 bits, range 00-1f */
+ id = GET_U_1(p) & ASN_ID_BITS; /* lower 5 bits, range 00-1f */
#ifdef notdef
- form = (*p & 0xe0) >> 5; /* move upper 3 bits to lower 3 */
+ form = (GET_U_1(p) & 0xe0) >> 5; /* move upper 3 bits to lower 3 */
class = form >> 1; /* bits 7&6 -> bits 1&0, range 0-3 */
form &= 0x1; /* bit 5 -> bit 0, range 0-1 */
#else
- form = (u_char)(*p & ASN_FORM_BITS) >> ASN_FORM_SHIFT;
- class = (u_char)(*p & ASN_CLASS_BITS) >> ASN_CLASS_SHIFT;
+ form = (u_char)(GET_U_1(p) & ASN_FORM_BITS) >> ASN_FORM_SHIFT;
+ class = (u_char)(GET_U_1(p) & ASN_CLASS_BITS) >> ASN_CLASS_SHIFT;
#endif
elem->form = form;
elem->class = class;
* bit set. XXX - this doesn't handle a value
* that won't fit in 32 bits.
*/
- for (id = 0; *p & ASN_BIT8; len--, hdr++, p++) {
+ id = 0;
+ while (GET_U_1(p) & ASN_BIT8) {
if (len < 1) {
- ND_PRINT((ndo, "[Xtagfield?]"));
- return -1;
+ ND_PRINT("[Xtagfield?]");
+ goto invalid;
}
- ND_TCHECK(*p);
- id = (id << 7) | (*p & ~ASN_BIT8);
+ id = (id << 7) | (GET_U_1(p) & ~ASN_BIT8);
+ len--;
+ hdr++;
+ p++;
}
if (len < 1) {
- ND_PRINT((ndo, "[Xtagfield?]"));
- return -1;
+ ND_PRINT("[Xtagfield?]");
+ goto invalid;
}
- ND_TCHECK(*p);
- elem->id = id = (id << 7) | *p;
+ elem->id = id = (id << 7) | GET_U_1(p);
--len;
++hdr;
++p;
}
if (len < 1) {
- ND_PRINT((ndo, "[no asnlen]"));
- return -1;
+ ND_PRINT("[no asnlen]");
+ goto invalid;
}
- ND_TCHECK(*p);
- elem->asnlen = *p;
+ elem->asnlen = GET_U_1(p);
p++; len--; hdr++;
if (elem->asnlen & ASN_BIT8) {
uint32_t noct = elem->asnlen % ASN_BIT8;
elem->asnlen = 0;
if (len < noct) {
- ND_PRINT((ndo, "[asnlen? %d<%d]", len, noct));
- return -1;
+ ND_PRINT("[asnlen? %d<%d]", len, noct);
+ goto invalid;
+ }
+ for (; noct != 0; len--, hdr++, noct--) {
+ elem->asnlen = (elem->asnlen << ASN_SHIFT8) | GET_U_1(p);
+ p++;
}
- ND_TCHECK2(*p, noct);
- for (; noct-- > 0; len--, hdr++)
- elem->asnlen = (elem->asnlen << ASN_SHIFT8) | *p++;
}
if (len < elem->asnlen) {
- ND_PRINT((ndo, "[len%d<asnlen%u]", len, elem->asnlen));
- return -1;
+ ND_PRINT("[len%d<asnlen%u]", len, elem->asnlen);
+ goto invalid;
}
if (form >= sizeof(Form)/sizeof(Form[0])) {
- ND_PRINT((ndo, "[form?%d]", form));
- return -1;
+ ND_PRINT("[form?%d]", form);
+ goto invalid;
}
if (class >= sizeof(Class)/sizeof(Class[0])) {
- ND_PRINT((ndo, "[class?%c/%d]", *Form[form], class));
- return -1;
+ ND_PRINT("[class?%c/%d]", *Form[form], class);
+ goto invalid;
}
if ((int)id >= Class[class].numIDs) {
- ND_PRINT((ndo, "[id?%c/%s/%d]", *Form[form], Class[class].name, id));
- return -1;
+ ND_PRINT("[id?%c/%s/%d]", *Form[form], Class[class].name, id);
+ goto invalid;
}
+ ND_TCHECK_LEN(p, elem->asnlen);
switch (form) {
case PRIMITIVE:
break;
case INTEGER: {
- register int32_t data;
+ int32_t data;
elem->type = BE_INT;
data = 0;
- ND_TCHECK2(*p, elem->asnlen);
- if (*p & ASN_BIT8) /* negative */
+ if (elem->asnlen == 0) {
+ ND_PRINT("[asnlen=0]");
+ goto invalid;
+ }
+ if (GET_U_1(p) & ASN_BIT8) /* negative */
data = -1;
- for (i = elem->asnlen; i-- > 0; p++)
- data = (data << ASN_SHIFT8) | *p;
+ for (i = elem->asnlen; i != 0; p++, i--)
+ data = (data << ASN_SHIFT8) | GET_U_1(p);
elem->data.integer = data;
break;
}
default:
elem->type = BE_OCTET;
elem->data.raw = (const uint8_t *)p;
- ND_PRINT((ndo, "[P/U/%s]", Class[class].Id[id]));
+ ND_PRINT("[P/U/%s]", Class[class].Id[id]);
break;
}
break;
case COUNTER:
case GAUGE:
case TIMETICKS: {
- register uint32_t data;
- ND_TCHECK2(*p, elem->asnlen);
+ uint32_t data;
elem->type = BE_UNS;
data = 0;
- for (i = elem->asnlen; i-- > 0; p++)
- data = (data << 8) + *p;
+ for (i = elem->asnlen; i != 0; p++, i--)
+ data = (data << 8) + GET_U_1(p);
elem->data.uns = data;
break;
}
case COUNTER64: {
- register uint32_t high, low;
- ND_TCHECK2(*p, elem->asnlen);
+ uint64_t data64;
elem->type = BE_UNS64;
- high = 0, low = 0;
- for (i = elem->asnlen; i-- > 0; p++) {
- high = (high << 8) |
- ((low & 0xFF000000) >> 24);
- low = (low << 8) | *p;
- }
- elem->data.uns64.high = high;
- elem->data.uns64.low = low;
+ data64 = 0;
+ for (i = elem->asnlen; i != 0; p++, i--)
+ data64 = (data64 << 8) + GET_U_1(p);
+ elem->data.uns64 = data64;
break;
}
default:
elem->type = BE_OCTET;
elem->data.raw = (const uint8_t *)p;
- ND_PRINT((ndo, "[P/A/%s]",
- Class[class].Id[id]));
+ ND_PRINT("[P/A/%s]",
+ Class[class].Id[id]);
break;
}
break;
break;
default:
- ND_PRINT((ndo, "[P/%s/%s]", Class[class].name, Class[class].Id[id]));
- ND_TCHECK2(*p, elem->asnlen);
+ ND_PRINT("[P/%s/%s]", Class[class].name, Class[class].Id[id]);
elem->type = BE_OCTET;
elem->data.raw = (const uint8_t *)p;
break;
default:
elem->type = BE_OCTET;
elem->data.raw = (const uint8_t *)p;
- ND_PRINT((ndo, "C/U/%s", Class[class].Id[id]));
+ ND_PRINT("C/U/%s", Class[class].Id[id]);
break;
}
break;
default:
elem->type = BE_OCTET;
elem->data.raw = (const uint8_t *)p;
- ND_PRINT((ndo, "C/%s/%s", Class[class].name, Class[class].Id[id]));
+ ND_PRINT("C/%s/%s", Class[class].name, Class[class].Id[id]);
break;
}
break;
len -= elem->asnlen;
return elem->asnlen + hdr;
-trunc:
- ND_PRINT((ndo, "%s", tstr));
+invalid:
return -1;
}
+static void
+asn1_print_octets(netdissect_options *ndo, struct be *elem)
+{
+ const u_char *p = (const u_char *)elem->data.raw;
+ uint32_t asnlen = elem->asnlen;
+ uint32_t i;
+
+ for (i = asnlen; i != 0; p++, i--)
+ ND_PRINT("_%.2x", GET_U_1(p));
+}
+
+static void
+asn1_print_string(netdissect_options *ndo, struct be *elem)
+{
+ int printable = 1, first = 1;
+ const u_char *p;
+ uint32_t asnlen = elem->asnlen;
+ uint32_t i;
+
+ p = elem->data.str;
+ for (i = asnlen; printable && i != 0; p++, i--)
+ printable = ND_ASCII_ISPRINT(GET_U_1(p));
+ p = elem->data.str;
+ if (printable) {
+ ND_PRINT("\"");
+ nd_printjn(ndo, p, asnlen);
+ ND_PRINT("\"");
+ } else {
+ for (i = asnlen; i != 0; p++, i--) {
+ ND_PRINT(first ? "%.2x" : "_%.2x", GET_U_1(p));
+ first = 0;
+ }
+ }
+}
+
/*
* Display the ASN.1 object represented by the BE object.
* This used to be an integral part of asn1_parse() before the intermediate
asn1_print(netdissect_options *ndo,
struct be *elem)
{
- const u_char *p = (const u_char *)elem->data.raw;
+ const u_char *p;
uint32_t asnlen = elem->asnlen;
uint32_t i;
switch (elem->type) {
case BE_OCTET:
- ND_TCHECK2(*p, asnlen);
- for (i = asnlen; i-- > 0; p++)
- ND_PRINT((ndo, "_%.2x", *p));
+ asn1_print_octets(ndo, elem);
break;
case BE_NULL:
break;
case BE_OID: {
- int o = 0, first = -1, i = asnlen;
+ int o = 0, first = -1;
- if (!ndo->ndo_sflag && !ndo->ndo_nflag && asnlen > 2) {
+ p = (const u_char *)elem->data.raw;
+ i = asnlen;
+ if (!ndo->ndo_nflag && asnlen > 2) {
const struct obj_abrev *a = &obj_abrev_list[0];
- size_t a_len = strlen(a->oid);
for (; a->node; a++) {
- ND_TCHECK2(*p, a_len);
- if (memcmp(a->oid, p, a_len) == 0) {
+ if (i < a->oid_len)
+ continue;
+ ND_TCHECK_LEN(p, a->oid_len);
+ if (memcmp(a->oid, p, a->oid_len) == 0) {
objp = a->node->child;
- i -= strlen(a->oid);
- p += strlen(a->oid);
- ND_PRINT((ndo, "%s", a->prefix));
+ i -= a->oid_len;
+ p += a->oid_len;
+ ND_PRINT("%s", a->prefix);
first = 1;
break;
}
}
}
- for (; !ndo->ndo_sflag && i-- > 0; p++) {
- ND_TCHECK(*p);
- o = (o << ASN_SHIFT7) + (*p & ~ASN_BIT8);
- if (*p & ASN_LONGLEN)
+ for (; i != 0; p++, i--) {
+ o = (o << ASN_SHIFT7) + (GET_U_1(p) & ~ASN_BIT8);
+ if (GET_U_1(p) & ASN_LONGLEN)
continue;
/*
- * first subitem encodes two items with 1st*OIDMUX+2nd
+ * first subitem encodes two items with
+ * 1st*OIDMUX+2nd
* (see X.690:1997 clause 8.19 for the details)
*/
if (first < 0) {
}
case BE_INT:
- ND_PRINT((ndo, "%d", elem->data.integer));
+ ND_PRINT("%d", elem->data.integer);
break;
case BE_UNS:
- ND_PRINT((ndo, "%u", elem->data.uns));
+ ND_PRINT("%u", elem->data.uns);
break;
- case BE_UNS64: { /* idea borrowed from by Marshall Rose */
- double d;
- int j, carry;
- char *cpf, *cpl, last[6], first[30];
- if (elem->data.uns64.high == 0) {
- ND_PRINT((ndo, "%u", elem->data.uns64.low));
- break;
- }
- d = elem->data.uns64.high * 4294967296.0; /* 2^32 */
- if (elem->data.uns64.high <= 0x1fffff) {
- d += elem->data.uns64.low;
-#if 0 /*is looks illegal, but what is the intention?*/
- ND_PRINT((ndo, "%.f", d));
-#else
- ND_PRINT((ndo, "%f", d));
-#endif
- break;
- }
- d += (elem->data.uns64.low & 0xfffff000);
-#if 0 /*is looks illegal, but what is the intention?*/
- snprintf(first, sizeof(first), "%.f", d);
-#else
- snprintf(first, sizeof(first), "%f", d);
-#endif
- snprintf(last, sizeof(last), "%5.5d",
- elem->data.uns64.low & 0xfff);
- for (carry = 0, cpf = first+strlen(first)-1, cpl = last+4;
- cpl >= last;
- cpf--, cpl--) {
- j = carry + (*cpf - '0') + (*cpl - '0');
- if (j > 9) {
- j -= 10;
- carry = 1;
- } else {
- carry = 0;
- }
- *cpf = j + '0';
- }
- ND_PRINT((ndo, "%s", first));
+ case BE_UNS64:
+ ND_PRINT("%" PRIu64, elem->data.uns64);
break;
- }
- case BE_STR: {
- register int printable = 1, first = 1;
- const u_char *p = elem->data.str;
- ND_TCHECK2(*p, asnlen);
- for (i = asnlen; printable && i-- > 0; p++)
- printable = ND_ISPRINT(*p);
- p = elem->data.str;
- if (printable) {
- ND_PRINT((ndo, "\""));
- if (fn_printn(ndo, p, asnlen, ndo->ndo_snapend)) {
- ND_PRINT((ndo, "\""));
- goto trunc;
- }
- ND_PRINT((ndo, "\""));
- } else
- for (i = asnlen; i-- > 0; p++) {
- ND_PRINT((ndo, first ? "%.2x" : "_%.2x", *p));
- first = 0;
- }
+ case BE_STR:
+ asn1_print_string(ndo, elem);
break;
- }
case BE_SEQ:
- ND_PRINT((ndo, "Seq(%u)", elem->asnlen));
+ ND_PRINT("Seq(%u)", elem->asnlen);
break;
case BE_INETADDR:
if (asnlen != ASNLEN_INETADDR)
- ND_PRINT((ndo, "[inetaddr len!=%d]", ASNLEN_INETADDR));
- ND_TCHECK2(*p, asnlen);
- for (i = asnlen; i-- != 0; p++) {
- ND_PRINT((ndo, (i == asnlen-1) ? "%u" : ".%u", *p));
+ ND_PRINT("[inetaddr len!=%d]", ASNLEN_INETADDR);
+ p = (const u_char *)elem->data.raw;
+ for (i = asnlen; i != 0; p++, i--) {
+ ND_PRINT((i == asnlen) ? "%u" : ".%u", GET_U_1(p));
}
break;
case BE_NOSUCHOBJECT:
case BE_NOSUCHINST:
case BE_ENDOFMIBVIEW:
- ND_PRINT((ndo, "[%s]", Class[EXCEPTIONS].Id[elem->id]));
+ ND_PRINT("[%s]", Class[EXCEPTIONS].Id[elem->id]);
break;
case BE_PDU:
- ND_PRINT((ndo, "%s(%u)", Class[CONTEXT].Id[elem->id], elem->asnlen));
+ ND_PRINT("%s(%u)", Class[CONTEXT].Id[elem->id], elem->asnlen);
break;
case BE_ANY:
- ND_PRINT((ndo, "[BE_ANY!?]"));
+ ND_PRINT("[BE_ANY!?]");
break;
default:
- ND_PRINT((ndo, "[be!?]"));
+ ND_PRINT("[be!?]");
break;
}
+ /* This function now always returns 0. Don't make it void yet, as other
+ * code checks for negative result and this function might need to signal
+ * invalid data later.
+ */
return 0;
-
-trunc:
- ND_PRINT((ndo, "%s", tstr));
- return -1;
}
#ifdef notdef
while (i >= 0 && length > 0) {
i = asn1_parse(ndo, p, length, &elem);
if (i >= 0) {
- ND_PRINT((ndo, " "));
+ ND_PRINT(" ");
if (asn1_print(ndo, &elem) < 0)
return;
if (elem.type == BE_SEQ || elem.type == BE_PDU) {
- ND_PRINT((ndo, " {"));
+ ND_PRINT(" {");
asn1_decode(elem.data.raw, elem.asnlen);
- ND_PRINT((ndo, " }"));
+ ND_PRINT(" }");
}
length -= i;
p += i;
{
const u_char *p = (const u_char *)elem->data.raw;
uint32_t asnlen = elem->asnlen;
- int o = 0, first = -1, i = asnlen;
+ uint32_t i = asnlen;
+ int o = 0, first = -1;
unsigned int firstval;
- for (*oidlen = 0; ndo->ndo_sflag && i-- > 0; p++) {
- ND_TCHECK(*p);
- o = (o << ASN_SHIFT7) + (*p & ~ASN_BIT8);
- if (*p & ASN_LONGLEN)
+ for (*oidlen = 0; i != 0; p++, i--) {
+ o = (o << ASN_SHIFT7) + (GET_U_1(p) & ~ASN_BIT8);
+ if (GET_U_1(p) & ASN_LONGLEN)
continue;
/*
* (see X.690:1997 clause 8.19 for the details)
*/
if (first < 0) {
- first = 0;
+ first = 0;
firstval = o / OIDMUX;
if (firstval > 2) firstval = 2;
o -= firstval * OIDMUX;
o = 0;
}
return 0;
-
-trunc:
- ND_PRINT((ndo, "%s", tstr));
- return -1;
}
static int smi_check_type(SmiBasetype basetype, int be)
SmiNode *smiNode = NULL;
unsigned int i;
+ if (!nd_smi_module_loaded) {
+ *status = asn1_print(ndo, elem);
+ return NULL;
+ }
*status = smi_decode_oid(ndo, elem, oid, sizeof(oid) / sizeof(unsigned int),
&oidlen);
if (*status < 0)
return NULL;
}
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, "%s::", smiGetNodeModule(smiNode)->name));
+ ND_PRINT("%s::", smiGetNodeModule(smiNode)->name);
}
- ND_PRINT((ndo, "%s", smiNode->name));
+ ND_PRINT("%s", smiNode->name);
if (smiNode->oidlen < oidlen) {
for (i = smiNode->oidlen; i < oidlen; i++) {
- ND_PRINT((ndo, ".%u", oid[i]));
+ ND_PRINT(".%u", oid[i]);
}
}
*status = 0;
static int
smi_print_value(netdissect_options *ndo,
- SmiNode *smiNode, u_char pduid, struct be *elem)
+ SmiNode *smiNode, u_short pduid, struct be *elem)
{
unsigned int i, oid[128], oidlen;
SmiType *smiType;
}
if (NOTIFY_CLASS(pduid) && smiNode->access < SMI_ACCESS_NOTIFY) {
- ND_PRINT((ndo, "[notNotifyable]"));
+ ND_PRINT("[notNotifyable]");
}
if (READ_CLASS(pduid) && smiNode->access < SMI_ACCESS_READ_ONLY) {
- ND_PRINT((ndo, "[notReadable]"));
+ ND_PRINT("[notReadable]");
}
if (WRITE_CLASS(pduid) && smiNode->access < SMI_ACCESS_READ_WRITE) {
- ND_PRINT((ndo, "[notWritable]"));
+ ND_PRINT("[notWritable]");
}
if (RESPONSE_CLASS(pduid)
&& smiNode->access == SMI_ACCESS_NOT_ACCESSIBLE) {
- ND_PRINT((ndo, "[noAccess]"));
+ ND_PRINT("[noAccess]");
}
smiType = smiGetNodeType(smiNode);
}
if (! smi_check_type(smiType->basetype, elem->type)) {
- ND_PRINT((ndo, "[wrongType]"));
+ ND_PRINT("[wrongType]");
}
if (! smi_check_range(smiType, elem)) {
- ND_PRINT((ndo, "[outOfRange]"));
+ ND_PRINT("[outOfRange]");
}
/* resolve bits to named bits */
if (smiType->basetype == SMI_BASETYPE_BITS) {
/* print bit labels */
} else {
- smi_decode_oid(ndo, elem, oid,
- sizeof(oid)/sizeof(unsigned int),
- &oidlen);
- smiNode = smiGetNodeByOID(oidlen, oid);
- if (smiNode) {
- if (ndo->ndo_vflag) {
- ND_PRINT((ndo, "%s::", smiGetNodeModule(smiNode)->name));
- }
- ND_PRINT((ndo, "%s", smiNode->name));
- if (smiNode->oidlen < oidlen) {
- for (i = smiNode->oidlen;
- i < oidlen; i++) {
- ND_PRINT((ndo, ".%u", oid[i]));
+ if (nd_smi_module_loaded &&
+ smi_decode_oid(ndo, elem, oid,
+ sizeof(oid)/sizeof(unsigned int),
+ &oidlen) == 0) {
+ smiNode = smiGetNodeByOID(oidlen, oid);
+ if (smiNode) {
+ if (ndo->ndo_vflag) {
+ ND_PRINT("%s::", smiGetNodeModule(smiNode)->name);
+ }
+ ND_PRINT("%s", smiNode->name);
+ if (smiNode->oidlen < oidlen) {
+ for (i = smiNode->oidlen;
+ i < oidlen; i++) {
+ ND_PRINT(".%u", oid[i]);
+ }
}
+ done++;
}
- done++;
}
}
break;
nn = smiGetNextNamedNumber(nn)) {
if (nn->value.value.integer32
== elem->data.integer) {
- ND_PRINT((ndo, "%s", nn->name));
- ND_PRINT((ndo, "(%d)", elem->data.integer));
+ ND_PRINT("%s", nn->name);
+ ND_PRINT("(%d)", elem->data.integer);
done++;
break;
}
*/
static void
varbind_print(netdissect_options *ndo,
- u_char pduid, const u_char *np, u_int length)
+ u_short pduid, const u_char *np, u_int length)
{
struct be elem;
int count = 0, ind;
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_SEQ) {
- ND_PRINT((ndo, "[!SEQ of varbind]"));
+ ND_PRINT("[!SEQ of varbind]");
asn1_print(ndo, &elem);
return;
}
if ((u_int)count < length)
- ND_PRINT((ndo, "[%d extra after SEQ of varbind]", length - count));
+ ND_PRINT("[%d extra after SEQ of varbind]", length - count);
/* descend */
length = elem.asnlen;
np = (const u_char *)elem.data.raw;
const u_char *vbend;
u_int vblength;
- ND_PRINT((ndo, " "));
+ ND_PRINT(" ");
/* Sequence */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_SEQ) {
- ND_PRINT((ndo, "[!varbind]"));
+ ND_PRINT("[!varbind]");
asn1_print(ndo, &elem);
return;
}
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_OID) {
- ND_PRINT((ndo, "[objName!=OID]"));
+ ND_PRINT("[objName!=OID]");
asn1_print(ndo, &elem);
return;
}
if (pduid != GETREQ && pduid != GETNEXTREQ
&& pduid != GETBULKREQ)
- ND_PRINT((ndo, "="));
+ ND_PRINT("=");
/* objVal (ANY) */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
if (pduid == GETREQ || pduid == GETNEXTREQ
|| pduid == GETBULKREQ) {
if (elem.type != BE_NULL) {
- ND_PRINT((ndo, "[objVal!=NULL]"));
+ ND_PRINT("[objVal!=NULL]");
if (asn1_print(ndo, &elem) < 0)
return;
}
u_short pduid, const u_char *np, u_int length)
{
struct be elem;
- int count = 0, error;
+ int count = 0, error_status;
/* reqId (Integer) */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INT) {
- ND_PRINT((ndo, "[reqId!=INT]"));
+ ND_PRINT("[reqId!=INT]");
asn1_print(ndo, &elem);
return;
}
if (ndo->ndo_vflag)
- ND_PRINT((ndo, "R=%d ", elem.data.integer));
+ ND_PRINT("R=%d ", elem.data.integer);
length -= count;
np += count;
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INT) {
- ND_PRINT((ndo, "[errorStatus!=INT]"));
+ ND_PRINT("[errorStatus!=INT]");
asn1_print(ndo, &elem);
return;
}
- error = 0;
+ error_status = 0;
if ((pduid == GETREQ || pduid == GETNEXTREQ || pduid == SETREQ
|| pduid == INFORMREQ || pduid == V2TRAP || pduid == REPORT)
&& elem.data.integer != 0) {
char errbuf[20];
- ND_PRINT((ndo, "[errorStatus(%s)!=0]",
- DECODE_ErrorStatus(elem.data.integer)));
+ ND_PRINT("[errorStatus(%s)!=0]",
+ DECODE_ErrorStatus(elem.data.integer));
} else if (pduid == GETBULKREQ) {
- ND_PRINT((ndo, " N=%d", elem.data.integer));
+ ND_PRINT(" N=%d", elem.data.integer);
} else if (elem.data.integer != 0) {
char errbuf[20];
- ND_PRINT((ndo, " %s", DECODE_ErrorStatus(elem.data.integer)));
- error = elem.data.integer;
+ ND_PRINT(" %s", DECODE_ErrorStatus(elem.data.integer));
+ error_status = elem.data.integer;
}
length -= count;
np += count;
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INT) {
- ND_PRINT((ndo, "[errorIndex!=INT]"));
+ ND_PRINT("[errorIndex!=INT]");
asn1_print(ndo, &elem);
return;
}
if ((pduid == GETREQ || pduid == GETNEXTREQ || pduid == SETREQ
|| pduid == INFORMREQ || pduid == V2TRAP || pduid == REPORT)
&& elem.data.integer != 0)
- ND_PRINT((ndo, "[errorIndex(%d)!=0]", elem.data.integer));
+ ND_PRINT("[errorIndex(%d)!=0]", elem.data.integer);
else if (pduid == GETBULKREQ)
- ND_PRINT((ndo, " M=%d", elem.data.integer));
+ ND_PRINT(" M=%d", elem.data.integer);
else if (elem.data.integer != 0) {
- if (!error)
- ND_PRINT((ndo, "[errorIndex(%d) w/o errorStatus]", elem.data.integer));
- else {
- ND_PRINT((ndo, "@%d", elem.data.integer));
- error = elem.data.integer;
- }
- } else if (error) {
- ND_PRINT((ndo, "[errorIndex==0]"));
- error = 0;
+ if (!error_status)
+ ND_PRINT("[errorIndex(%d) w/o errorStatus]", elem.data.integer);
+ else
+ ND_PRINT("@%d", elem.data.integer);
+ } else if (error_status) {
+ ND_PRINT("[errorIndex==0]");
}
length -= count;
np += count;
varbind_print(ndo, pduid, np, length);
- return;
}
/*
struct be elem;
int count = 0, generic;
- ND_PRINT((ndo, " "));
+ ND_PRINT(" ");
/* enterprise (oid) */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_OID) {
- ND_PRINT((ndo, "[enterprise!=OID]"));
+ ND_PRINT("[enterprise!=OID]");
asn1_print(ndo, &elem);
return;
}
length -= count;
np += count;
- ND_PRINT((ndo, " "));
+ ND_PRINT(" ");
/* agent-addr (inetaddr) */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INETADDR) {
- ND_PRINT((ndo, "[agent-addr!=INETADDR]"));
+ ND_PRINT("[agent-addr!=INETADDR]");
asn1_print(ndo, &elem);
return;
}
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INT) {
- ND_PRINT((ndo, "[generic-trap!=INT]"));
+ ND_PRINT("[generic-trap!=INT]");
asn1_print(ndo, &elem);
return;
}
generic = elem.data.integer;
{
char buf[20];
- ND_PRINT((ndo, " %s", DECODE_GenericTrap(generic)));
+ ND_PRINT(" %s", DECODE_GenericTrap(generic));
}
length -= count;
np += count;
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INT) {
- ND_PRINT((ndo, "[specific-trap!=INT]"));
+ ND_PRINT("[specific-trap!=INT]");
asn1_print(ndo, &elem);
return;
}
if (generic != GT_ENTERPRISE) {
if (elem.data.integer != 0)
- ND_PRINT((ndo, "[specific-trap(%d)!=0]", elem.data.integer));
+ ND_PRINT("[specific-trap(%d)!=0]", elem.data.integer);
} else
- ND_PRINT((ndo, " s=%d", elem.data.integer));
+ ND_PRINT(" s=%d", elem.data.integer);
length -= count;
np += count;
- ND_PRINT((ndo, " "));
+ ND_PRINT(" ");
/* time-stamp (TimeTicks) */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_UNS) { /* XXX */
- ND_PRINT((ndo, "[time-stamp!=TIMETICKS]"));
+ ND_PRINT("[time-stamp!=TIMETICKS]");
asn1_print(ndo, &elem);
return;
}
np += count;
varbind_print(ndo, TRAP, np, length);
- return;
}
/*
if ((count = asn1_parse(ndo, np, length, &pdu)) < 0)
return;
if (pdu.type != BE_PDU) {
- ND_PRINT((ndo, "[no PDU]"));
+ ND_PRINT("[no PDU]");
return;
}
if ((u_int)count < length)
- ND_PRINT((ndo, "[%d extra after PDU]", length - count));
+ ND_PRINT("[%d extra after PDU]", length - count);
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, "{ "));
+ ND_PRINT("{ ");
}
if (asn1_print(ndo, &pdu) < 0)
return;
- ND_PRINT((ndo, " "));
+ ND_PRINT(" ");
/* descend into PDU */
length = pdu.asnlen;
np = (const u_char *)pdu.data.raw;
if (version == SNMP_VERSION_1 &&
(pdu.id == GETBULKREQ || pdu.id == INFORMREQ ||
pdu.id == V2TRAP || pdu.id == REPORT)) {
- ND_PRINT((ndo, "[v2 PDU in v1 message]"));
+ ND_PRINT("[v2 PDU in v1 message]");
return;
}
if (version == SNMP_VERSION_2 && pdu.id == TRAP) {
- ND_PRINT((ndo, "[v1 PDU in v2 message]"));
+ ND_PRINT("[v1 PDU in v2 message]");
return;
}
}
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, " } "));
+ ND_PRINT(" } ");
}
}
const u_char *np, u_int length, int version)
{
struct be elem;
- int i, count = 0;
+ int count = 0;
/* Sequence */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_SEQ) {
- ND_PRINT((ndo, "[!scoped PDU]"));
+ ND_PRINT("[!scoped PDU]");
asn1_print(ndo, &elem);
return;
}
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_STR) {
- ND_PRINT((ndo, "[contextEngineID!=STR]"));
+ ND_PRINT("[contextEngineID!=STR]");
asn1_print(ndo, &elem);
return;
}
length -= count;
np += count;
- ND_PRINT((ndo, "E= "));
- for (i = 0; i < (int)elem.asnlen; i++) {
- ND_PRINT((ndo, "0x%02X", elem.data.str[i]));
- }
- ND_PRINT((ndo, " "));
+ ND_PRINT("E=");
+ asn1_print_octets(ndo, &elem);
+ ND_PRINT(" ");
/* contextName (OCTET STRING) */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_STR) {
- ND_PRINT((ndo, "[contextName!=STR]"));
+ ND_PRINT("[contextName!=STR]");
asn1_print(ndo, &elem);
return;
}
length -= count;
np += count;
- ND_PRINT((ndo, "C=%.*s ", (int)elem.asnlen, elem.data.str));
+ ND_PRINT("C=");
+ asn1_print_string(ndo, &elem);
+ ND_PRINT(" ");
pdu_print(ndo, np, length, version);
}
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_STR) {
- ND_PRINT((ndo, "[comm!=STR]"));
+ ND_PRINT("[comm!=STR]");
asn1_print(ndo, &elem);
return;
}
/* default community */
if (!(elem.asnlen == sizeof(DEF_COMMUNITY) - 1 &&
strncmp((const char *)elem.data.str, DEF_COMMUNITY,
- sizeof(DEF_COMMUNITY) - 1) == 0))
+ sizeof(DEF_COMMUNITY) - 1) == 0)) {
/* ! "public" */
- ND_PRINT((ndo, "C=%.*s ", (int)elem.asnlen, elem.data.str));
+ ND_PRINT("C=");
+ asn1_print_string(ndo, &elem);
+ ND_PRINT(" ");
+ }
length -= count;
np += count;
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_SEQ) {
- ND_PRINT((ndo, "[!usm]"));
+ ND_PRINT("[!usm]");
asn1_print(ndo, &elem);
return;
}
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_STR) {
- ND_PRINT((ndo, "[msgAuthoritativeEngineID!=STR]"));
+ ND_PRINT("[msgAuthoritativeEngineID!=STR]");
asn1_print(ndo, &elem);
return;
}
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INT) {
- ND_PRINT((ndo, "[msgAuthoritativeEngineBoots!=INT]"));
+ ND_PRINT("[msgAuthoritativeEngineBoots!=INT]");
asn1_print(ndo, &elem);
return;
}
if (ndo->ndo_vflag)
- ND_PRINT((ndo, "B=%d ", elem.data.integer));
+ ND_PRINT("B=%d ", elem.data.integer);
length -= count;
np += count;
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INT) {
- ND_PRINT((ndo, "[msgAuthoritativeEngineTime!=INT]"));
+ ND_PRINT("[msgAuthoritativeEngineTime!=INT]");
asn1_print(ndo, &elem);
return;
}
if (ndo->ndo_vflag)
- ND_PRINT((ndo, "T=%d ", elem.data.integer));
+ ND_PRINT("T=%d ", elem.data.integer);
length -= count;
np += count;
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_STR) {
- ND_PRINT((ndo, "[msgUserName!=STR]"));
+ ND_PRINT("[msgUserName!=STR]");
asn1_print(ndo, &elem);
return;
}
length -= count;
np += count;
- ND_PRINT((ndo, "U=%.*s ", (int)elem.asnlen, elem.data.str));
+ ND_PRINT("U=");
+ asn1_print_string(ndo, &elem);
+ ND_PRINT(" ");
/* msgAuthenticationParameters (OCTET STRING) */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_STR) {
- ND_PRINT((ndo, "[msgAuthenticationParameters!=STR]"));
+ ND_PRINT("[msgAuthenticationParameters!=STR]");
asn1_print(ndo, &elem);
return;
}
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_STR) {
- ND_PRINT((ndo, "[msgPrivacyParameters!=STR]"));
+ ND_PRINT("[msgPrivacyParameters!=STR]");
asn1_print(ndo, &elem);
return;
}
np += count;
if ((u_int)count < length)
- ND_PRINT((ndo, "[%d extra after usm SEQ]", length - count));
+ ND_PRINT("[%d extra after usm SEQ]", length - count);
}
/*
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_SEQ) {
- ND_PRINT((ndo, "[!message]"));
+ ND_PRINT("[!message]");
asn1_print(ndo, &elem);
return;
}
np = (const u_char *)elem.data.raw;
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, "{ "));
+ ND_PRINT("{ ");
}
/* msgID (INTEGER) */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INT) {
- ND_PRINT((ndo, "[msgID!=INT]"));
+ ND_PRINT("[msgID!=INT]");
asn1_print(ndo, &elem);
return;
}
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INT) {
- ND_PRINT((ndo, "[msgMaxSize!=INT]"));
+ ND_PRINT("[msgMaxSize!=INT]");
asn1_print(ndo, &elem);
return;
}
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_STR) {
- ND_PRINT((ndo, "[msgFlags!=STR]"));
+ ND_PRINT("[msgFlags!=STR]");
asn1_print(ndo, &elem);
return;
}
if (elem.asnlen != 1) {
- ND_PRINT((ndo, "[msgFlags size %d]", elem.asnlen));
+ ND_PRINT("[msgFlags size %d]", elem.asnlen);
return;
}
- flags = elem.data.str[0];
+ flags = GET_U_1(elem.data.str);
if (flags != 0x00 && flags != 0x01 && flags != 0x03
&& flags != 0x04 && flags != 0x05 && flags != 0x07) {
- ND_PRINT((ndo, "[msgFlags=0x%02X]", flags));
+ ND_PRINT("[msgFlags=0x%02X]", flags);
return;
}
length -= count;
np += count;
- ND_PRINT((ndo, "F=%s%s%s ",
+ ND_PRINT("F=%s%s%s ",
flags & 0x01 ? "a" : "",
flags & 0x02 ? "p" : "",
- flags & 0x04 ? "r" : ""));
+ flags & 0x04 ? "r" : "");
/* msgSecurityModel (INTEGER) */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INT) {
- ND_PRINT((ndo, "[msgSecurityModel!=INT]"));
+ ND_PRINT("[msgSecurityModel!=INT]");
asn1_print(ndo, &elem);
return;
}
np += count;
if ((u_int)count < length)
- ND_PRINT((ndo, "[%d extra after message SEQ]", length - count));
+ ND_PRINT("[%d extra after message SEQ]", length - count);
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, "} "));
+ ND_PRINT("} ");
}
if (model == 3) {
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, "{ USM "));
+ ND_PRINT("{ USM ");
}
} else {
- ND_PRINT((ndo, "[security model %d]", model));
+ ND_PRINT("[security model %d]", model);
return;
}
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_STR) {
- ND_PRINT((ndo, "[msgSecurityParameters!=STR]"));
+ ND_PRINT("[msgSecurityParameters!=STR]");
asn1_print(ndo, &elem);
return;
}
if (model == 3) {
usm_print(ndo, elem.data.str, elem.asnlen);
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, "} "));
+ ND_PRINT("} ");
}
}
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, "{ ScopedPDU "));
+ ND_PRINT("{ ScopedPDU ");
}
scopedpdu_print(ndo, np, length, 3);
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, "} "));
+ ND_PRINT("} ");
}
}
int count = 0;
int version = 0;
- ND_PRINT((ndo, " "));
+ ndo->ndo_protocol = "snmp";
+ ND_PRINT(" ");
/* initial Sequence */
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_SEQ) {
- ND_PRINT((ndo, "[!init SEQ]"));
+ ND_PRINT("[!init SEQ]");
asn1_print(ndo, &elem);
return;
}
if ((u_int)count < length)
- ND_PRINT((ndo, "[%d extra after iSEQ]", length - count));
+ ND_PRINT("[%d extra after iSEQ]", length - count);
/* descend */
length = elem.asnlen;
np = (const u_char *)elem.data.raw;
if ((count = asn1_parse(ndo, np, length, &elem)) < 0)
return;
if (elem.type != BE_INT) {
- ND_PRINT((ndo, "[version!=INT]"));
+ ND_PRINT("[version!=INT]");
asn1_print(ndo, &elem);
return;
}
case SNMP_VERSION_2:
case SNMP_VERSION_3:
if (ndo->ndo_vflag)
- ND_PRINT((ndo, "{ %s ", SnmpVersion[elem.data.integer]));
+ ND_PRINT("{ %s ", SnmpVersion[elem.data.integer]);
break;
default:
- ND_PRINT((ndo, "[version = %d]", elem.data.integer));
+ ND_PRINT("SNMP [version = %d]", elem.data.integer);
return;
}
version = elem.data.integer;
v3msg_print(ndo, np, length);
break;
default:
- ND_PRINT((ndo, "[version = %d]", elem.data.integer));
+ ND_PRINT("[version = %d]", elem.data.integer);
break;
}
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, "} "));
+ ND_PRINT("} ");
}
}
projects / tcpdump / blobdiff