#ifndef SQUID_SNMP_VARS_H #define SQUID_SNMP_VARS_H /********************************************************************** * * Copyright 1997 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. * * Author: Ryan Troll * **********************************************************************/ #include "asn1.h" #ifdef __cplusplus extern "C" { #endif struct variable_list { struct variable_list *next_variable; /* NULL for last variable */ oid *name; /* Object identifier of variable */ int name_length; /* number of subid's in name */ u_char type; /* ASN type of variable */ union { /* value of variable */ int *integer; u_char *string; oid *objid; } val; int val_len; }; struct variable_list *snmp_var_new(oid *, int); struct variable_list *snmp_var_new_integer(oid *, int, int, unsigned char); struct variable_list *snmp_var_clone(struct variable_list *); void snmp_var_free(struct variable_list *); u_char *snmp_var_EncodeVarBind(u_char *, int *, struct variable_list *, int); u_char *snmp_var_DecodeVarBind(u_char *, int *, struct variable_list **, int); #define MAX_NAME_LEN 64 /* number of subid's in a objid */ /* RFC 1902: Structure of Management Information for SNMPv2 * * Defined Types */ #define SMI_INTEGER ASN_INTEGER #define SMI_STRING ASN_OCTET_STR #define SMI_OBJID ASN_OBJECT_ID #define SMI_NULLOBJ ASN_NULL #define SMI_IPADDRESS (ASN_APPLICATION | 0) /* OCTET STRING, net byte order */ #define SMI_COUNTER32 (ASN_APPLICATION | 1) /* INTEGER */ #define SMI_GAUGE32 (ASN_APPLICATION | 2) /* INTEGER */ #define SMI_UNSIGNED32 SMI_GAUGE32 #define SMI_TIMETICKS (ASN_APPLICATION | 3) /* INTEGER */ #define SMI_OPAQUE (ASN_APPLICATION | 4) /* OCTET STRING */ #define SMI_COUNTER64 (ASN_APPLICATION | 6) /* INTEGER */ /* constants for enums for the MIB nodes * cachePeerAddressType (InetAddressType / ASN_INTEGER) * cacheClientAddressType (InetAddressType / ASN_INTEGER) * Defined Types */ #ifndef INETADDRESSTYPE_ENUMS #define INETADDRESSTYPE_ENUMS #define INETADDRESSTYPE_UNKNOWN 0 #define INETADDRESSTYPE_IPV4 1 #define INETADDRESSTYPE_IPV6 2 #define INETADDRESSTYPE_IPV4Z 3 #define INETADDRESSTYPE_IPV6Z 4 #define INETADDRESSTYPE_DNS 16 #endif /* INETADDRESSTYPE_ENUMS */ /* * RFC 1905: Protocol Operations for SNMPv2 * * Variable binding. * * VarBind ::= * SEQUENCE { * name ObjectName * CHOICE { * value ObjectSyntax * unSpecified NULL * noSuchObject[0] NULL * noSuchInstance[1] NULL * endOfMibView[2] NULL * } * } */ #define SMI_NOSUCHOBJECT (ASN_CONTEXT | ASN_PRIMITIVE | 0x0) /* noSuchObject[0] */ #define SMI_NOSUCHINSTANCE (ASN_CONTEXT | ASN_PRIMITIVE | 0x1) /* noSuchInstance[1] */ #define SMI_ENDOFMIBVIEW (ASN_CONTEXT | ASN_PRIMITIVE | 0x2) /* endOfMibView[2] */ typedef struct variable variable; typedef struct variable_list variable_list; #ifdef __cplusplus } #endif #endif /* SQUID_SNMP_VARS_H */