--- /dev/null
+/*
+ * Definitions for Abstract Syntax Notation One, ASN.1
+ * As defined in ISO/IS 8824 and ISO/IS 8825
+ *
+ *
+ */
+/***********************************************************
+ Copyright 1988, 1989 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.
+******************************************************************/
+
+#ifndef ASN1_H
+#define ASN1_H
+
+
+#undef _ANSI_ARGS_
+#if (defined(__STDC__) && ! defined(NO_PROTOTYPE)) || defined(USE_PROTOTYPE)
+# define _ANSI_ARGS_(x) x
+#else
+# define _ANSI_ARGS_(x) ()
+#endif
+
+#include <sys/types.h>
+
+#ifndef EIGHTBIT_SUBIDS
+typedef u_long oid;
+#define MAX_SUBID 0xFFFFFFFF
+#else
+typedef u_char oid;
+#define MAX_SUBID 0xFF
+#endif
+
+#define MAX_OID_LEN 64 /* max subid's in an oid */
+
+#define ASN_BOOLEAN (0x01)
+#define ASN_INTEGER (0x02)
+#define ASN_BIT_STR (0x03)
+#define ASN_OCTET_STR (0x04)
+#define ASN_NULL (0x05)
+#define ASN_OBJECT_ID (0x06)
+#define ASN_SEQUENCE (0x10)
+#define ASN_SET (0x11)
+
+#define ASN_UNIVERSAL (0x00)
+#define ASN_APPLICATION (0x40)
+#define ASN_CONTEXT (0x80)
+#define ASN_PRIVATE (0xC0)
+
+#define ASN_PRIMITIVE (0x00)
+#define ASN_CONSTRUCTOR (0x20)
+
+#define ASN_LONG_LEN (0x80)
+#define ASN_EXTENSION_ID (0x1F)
+#define ASN_BIT8 (0x80)
+
+#define IS_CONSTRUCTOR(byte) ((byte) & ASN_CONSTRUCTOR)
+#define IS_EXTENSION_ID(byte) (((byte) & ASN_EXTENSION_ID) == ASN_EXTENSION_ID)
+
+/*
+ * support for 64 bit linux platform.
+ * instead of a rewrite, which is obviously neccessary,
+ * we replace `long' by `int32'
+ */
+#if defined(__alpha)
+typedef unsigned int u_int32;
+typedef int int32;
+#else
+typedef unsigned long u_int32;
+typedef long int32;
+#endif
+
+/*
+ * internal 64 bit representation:
+ */
+struct counter64 {
+ u_int32 high;
+ u_int32 low;
+ };
+
+
+extern u_char *asn_parse_int _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char *type,
+ long *intp,
+ int intsize));
+
+extern u_char *asn_build_int _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char type,
+ long *intp,
+ int intsize));
+
+extern u_char *asn_parse_unsigned_int _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char *type,
+ u_long *intp,
+ int intsize));
+
+extern u_char *asn_build_unsigned_int _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char type,
+ u_long *intp,
+ int intsize));
+
+extern u_char *asn_parse_string _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char *type,
+ u_char *string,
+ int *len));
+
+extern u_char *asn_build_string _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char type,
+ u_char *str,
+ int len));
+
+extern u_char *asn_parse_header _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char *type));
+
+extern u_char *asn_build_header _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char type,
+ int len));
+
+extern u_char *asn_build_sequence _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char type,
+ int len));
+
+extern u_char *asn_parse_length _ANSI_ARGS_((u_char *data,
+ u_long *eln));
+
+extern u_char *asn_build_length _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ int len));
+
+extern u_char *asn_parse_objid _ANSI_ARGS_((
+ u_char *data,
+ int *datalength,
+ u_char *type,
+ oid *objid,
+ int *objidlength));
+
+extern u_char *asn_build_objid _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char type,
+ oid *objid,
+ int objidlength));
+
+extern u_char *asn_parse_null _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char *type));
+
+extern u_char *asn_build_null _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char type));
+extern u_char *asn_parse_bitstring _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char *type,
+ u_char *str,
+ int *len));
+
+extern u_char *asn_build_bitstring _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char type,
+ u_char *str,
+ int len));
+
+extern u_char *asn_parse_unsigned_int64 _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char *type,
+ struct counter64 *cp,
+ int cp_size));
+
+extern u_char *asn_build_unsigned_int64 _ANSI_ARGS_((u_char *data,
+ int *datalength,
+ u_char type,
+ struct counter64 *cp,
+ int cp_size));
+
+#endif
--- /dev/null
+/* taken from RFC-1321/Appendices A.1/A.2 */
+
+/* GLOBAL.H - RSAREF types and constants
+ */
+
+/* PROTOTYPES should be set to one if and only if the compiler supports
+ function argument prototyping.
+The following makes PROTOTYPES default to 0 if it has not already
+ been defined with C compiler flags.
+ */
+#ifndef PROTOTYPES
+#define PROTOTYPES 0
+#endif
+
+/* POINTER defines a generic pointer type */
+typedef unsigned char *POINTER;
+
+/* UINT2 defines a two byte word */
+typedef unsigned short int UINT2;
+
+/* UINT4 defines a four byte word */
+typedef unsigned long int UINT4;
+
+/* PROTO_LIST is defined depending on how PROTOTYPES is defined above.
+If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it
+ returns an empty list.
+ */
+#if PROTOTYPES
+#define PROTO_LIST(list) list
+#else
+#define PROTO_LIST(list) ()
+#endif
+
+/* MD5.H - header file for MD5C.C
+ */
+
+/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
+rights reserved.
+
+License to copy and use this software is granted provided that it
+is identified as the "RSA Data Security, Inc. MD5 Message-Digest
+Algorithm" in all material mentioning or referencing this software
+or this function.
+
+License is also granted to make and use derivative works provided
+that such works are identified as "derived from the RSA Data
+Security, Inc. MD5 Message-Digest Algorithm" in all material
+mentioning or referencing the derived work.
+
+RSA Data Security, Inc. makes no representations concerning either
+the merchantability of this software or the suitability of this
+software for any particular purpose. It is provided "as is"
+without express or implied warranty of any kind.
+
+These notices must be retained in any copies of any part of this
+documentation and/or software.
+ */
+
+/* MD5 context. */
+typedef struct {
+ UINT4 state[4]; /* state (ABCD) */
+ UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */
+ unsigned char buffer[64]; /* input buffer */
+} MD5_CTX;
+
+void MD5Init PROTO_LIST ((MD5_CTX *));
+void MD5Update PROTO_LIST
+ ((MD5_CTX *, unsigned char *, unsigned int));
+void MD5Final PROTO_LIST ((unsigned char [16], MD5_CTX *));
+
--- /dev/null
+/*
+ * Definitions for the Simple Network Management Protocol (RFC 1067).
+ *
+ *
+ */
+/***********************************************************
+ Copyright 1988, 1989 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.
+******************************************************************/
+
+#ifndef SNMP_H
+#define SNMP_H
+
+#include "snmp_api.h"
+
+
+#define SNMP_PORT 161
+#define SNMP_TRAP_PORT 162
+
+#define SNMP_MAX_LEN 1450
+
+#define SNMP_MESSAGE_LIFETIME 150
+
+#define SNMP_VERSION_1 0
+#define SNMP_VERSION_2C 1
+#define SNMP_VERSION_2 2
+
+#define SNMP_USEC_MODEL 1
+
+#define GET_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x0)
+#define GETNEXT_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x1)
+#define GET_RSP_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x2)
+#define SET_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x3)
+#define TRP_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x4)
+
+#define GETBULK_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x5)
+#define INFORM_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x6)
+#define TRP2_REQ_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x7)
+#define REPORT_MSG (ASN_CONTEXT | ASN_CONSTRUCTOR | 0x8)
+
+#define SNMP_NOSUCHOBJECT (ASN_CONTEXT | ASN_PRIMITIVE | 0x0)
+#define SNMP_NOSUCHINSTANCE (ASN_CONTEXT | ASN_PRIMITIVE | 0x1)
+#define SNMP_ENDOFMIBVIEW (ASN_CONTEXT | ASN_PRIMITIVE | 0x2)
+
+#define SNMP_ERR_NOERROR (0)
+#define SNMP_ERR_TOOBIG (1)
+#define SNMP_ERR_NOSUCHNAME (2)
+#define SNMP_ERR_BADVALUE (3)
+#define SNMP_ERR_READONLY (4)
+#define SNMP_ERR_GENERR (5)
+
+#define SNMP_ERR_NOACCESS (6)
+#define SNMP_ERR_WRONGTYPE (7)
+#define SNMP_ERR_WRONGLENGTH (8)
+#define SNMP_ERR_WRONGENCODING (9)
+#define SNMP_ERR_WRONGVALUE (10)
+#define SNMP_ERR_NOCREATION (11)
+#define SNMP_ERR_INCONSISTENTVALUE (12)
+#define SNMP_ERR_RESOURCEUNAVAILABLE (13)
+#define SNMP_ERR_COMMITFAILED (14)
+#define SNMP_ERR_UNDOFAILED (15)
+#define SNMP_ERR_AUTHORIZATIONERROR (16)
+#define SNMP_ERR_NOTWRITABLE (17)
+#define SNMP_ERR_INCONSISTENTNAME (18)
+
+#define SNMP_TRAP_COLDSTART (0x0)
+#define SNMP_TRAP_WARMSTART (0x1)
+#define SNMP_TRAP_LINKDOWN (0x2)
+#define SNMP_TRAP_LINKUP (0x3)
+#define SNMP_TRAP_AUTHFAIL (0x4)
+#define SNMP_TRAP_EGPNEIGHBORLOSS (0x5)
+#define SNMP_TRAP_ENTERPRISESPECIFIC (0x6)
+
+#define USEC_QOS_AUTH (0x01)
+#define USEC_QOS_PRIV (0x02)
+#define USEC_QOS_AUTHPRIV (0x03)
+#define USEC_QOS_GENREPORT (0x04)
+#define USEC_QOS_NOAUTH_NOPRIV (0)
+
+#define SNMP_STAT_PACKETS 0
+#define SNMP_STAT_ENCODING_ERRORS 1
+#define USEC_STAT_UNSUPPORTED_QOS 2
+#define USEC_STAT_NOT_IN_WINDOWS 3
+#define USEC_STAT_UNKNOWN_USERNAMES 4
+#define USEC_STAT_WRONG_DIGEST_VALUES 5
+#define USEC_STAT_UNKNOWN_CONTEXT_SELECTORS 6
+#define USEC_STAT_BAD_PARAMETERS 7
+#define USEC_STAT_UNAUTHORIZED_OPERATIONS 8
+#define SNMP_STAT_BAD_OPERATIONS 9
+#define SNMP_STAT_PROXY_DROPS 10
+#define SNMP_STAT_SILENT_DROPS 11
+#define SNMP_STAT_V1_BAD_COMMUNITY_NAMES 12
+#define SNMP_STAT_V1_BAD_COMMUNITY_USES 13
+
+#define SNMP_LAST_STAT SNMP_STAT_V1_BAD_COMMUNITY_USES
+
+
+typedef struct _conf_if_list {
+ char *name;
+ int type;
+ int speed;
+ struct _conf_if_list *next;
+} conf_if_list;
+
+extern conf_if_list *if_list;
+
+#ifndef SQUID_SNMP
+/*extern void init_snmp();*/
+
+extern int read_objid (char *input,
+ oid *output,
+ int *out_len);
+
+extern void sprint_objid (char *buf,oid *id,int idlen);
+extern void print_objid (oid *id,
+ int idlen);
+void snmp_add_null_var (struct snmp_pdu *,
+ oid *,
+ int);
+extern void xdump (u_char *cp,
+ int length,
+ char *prefix);
+
+extern void snmp_synch_setup (struct snmp_session *session);
+
+extern int snmp_synch_response (struct snmp_session *ss,
+ struct snmp_pdu *pdu,
+ struct snmp_pdu **response);
+#endif
+#endif
--- /dev/null
+/***********************************************************
+ Copyright 1989 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.
+******************************************************************/
+
+/*
+ * snmp_api.h - API for access to snmp.
+ */
+
+#ifndef _SNMP_API_H
+#define _SNMP_API_H
+
+
+#undef _ANSI_ARGS_
+#if (defined(__STDC__) && ! defined(NO_PROTOTYPE)) || defined(USE_PROTOTYPE)
+# define _ANSI_ARGS_(x) x
+#else
+# define _ANSI_ARGS_(x) ()
+#endif
+
+
+#include <sys/time.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#if defined(sun) && !defined(__svr4__)
+typedef int ssize_t;
+#endif
+
+#include "asn1.h"
+
+
+typedef struct sockaddr_in ipaddr;
+
+typedef struct {
+ u_char securityModel;
+ u_char qoS;
+ u_char agentID[12];
+ u_long agentBoots;
+ int agentTime;
+ int MMS;
+ int userLen;
+ u_char userName[16];
+ int authLen;
+ u_char authDigest[16];
+ u_char *authDigestPtr;
+ int contextLen;
+ u_char contextSelector[40];
+} Parameters;
+
+struct snmp_session {
+ int retries; /* Number of retries before timeout. */
+ long timeout; /* Number of uS until first timeout, then exponential backoff */
+ char *peername; /* Domain name or dotted IP address of default peer */
+ u_short remote_port; /* UDP port number of peer. */
+ u_short local_port; /* My UDP port number, 0 for default, picked randomly */
+
+ /* Authentication function or NULL if null authentication is used */
+ int (*authenticator)();
+ int (*callback)(); /* Function to interpret incoming data */
+
+ /* Pointer to data that the callback function may consider important */
+ void *callback_magic;
+
+ int version; /* SNMP version number */
+
+ /* fields to support SNMPv1 community model */
+ int community_len;
+ u_char *community;
+
+ /* the private keys to use for user-based security */
+ u_char authKey[16];
+ u_char privKey[16];
+
+ /* fields to support user-based security model in SNMPv2 */
+ Parameters params;
+
+ u_char qoS;
+ u_char agentID[16];
+ u_long agentBoots;
+ int agentTime; /* the agentTime value */
+ int agentClock; /* the running agentClock */
+ int userLen;
+ u_char userName[32];
+ int MMS;
+ int contextLen;
+ u_char contextSelector[64];
+
+ /* misc stuff */
+ int readView;
+ int writeView;
+};
+
+/*
+ * Set fields in session and pdu to the following to get a default or unconfigured value.
+ */
+#define SNMP_DEFAULT_COMMUNITY_LEN 0 /* to get a default community name */
+#define SNMP_DEFAULT_RETRIES -1
+#define SNMP_DEFAULT_TIMEOUT -1
+#define SNMP_DEFAULT_REMPORT 0
+#define SNMP_DEFAULT_REQID 0
+#define SNMP_DEFAULT_ERRSTAT -1
+#define SNMP_DEFAULT_ERRINDEX -1
+#define SNMP_DEFAULT_ADDRESS 0
+#define SNMP_DEFAULT_PEERNAME NULL
+#define SNMP_DEFAULT_ENTERPRISE_LENGTH 0
+#define SNMP_DEFAULT_TIME 0
+
+/*
+ * default initial timeout ans default retries;
+ * the timeout is doubled for every retry:
+ * 0.3 + 0.6 + 1.2 + 2.4 + 4.8 = 9.3
+ */
+#define SNMP_API_DEFAULT_RETRIES 6
+#define SNMP_API_DEFAULT_TIMEOUT 300000L
+
+extern int snmp_errno;
+/* Error return values */
+#define SNMPERR_GENERR -1
+#define SNMPERR_BAD_LOCPORT -2 /* local port was already in use */
+#define SNMPERR_BAD_ADDRESS -3
+#define SNMPERR_BAD_SESSION -4
+#define SNMPERR_TOO_LONG -5
+
+
+struct snmp_pdu {
+ ipaddr address; /* Address of peer */
+
+ int command; /* Type of this PDU */
+
+ Parameters params;
+
+ u_long reqid; /* Request id */
+ u_long errstat; /* Error status */
+ u_long errindex; /* Error index */
+
+ /* Trap information */
+ oid *enterprise;/* System OID */
+ int enterprise_length;
+ ipaddr agent_addr; /* address of object generating trap */
+ int trap_type; /* trap type */
+ int specific_type; /* specific type */
+ u_long time; /* Uptime */
+
+ struct variable_list *variables;
+};
+
+
+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 */
+ long *integer;
+ u_char *string;
+ oid *objid;
+ u_char *bitstring;
+ struct counter64 *counter64;
+
+ } val;
+ int val_len;
+};
+
+#ifndef SQUID_SNMP
+/*
+ * struct snmp_session *snmp_open(session)
+ * struct snmp_session *session;
+ *
+ * Sets up the session with the snmp_session information provided
+ * by the user. Then opens and binds the necessary UDP port.
+ * A handle to the created session is returned (this is different than
+ * the pointer passed to snmp_open()). On any error, NULL is returned
+ * and snmp_errno is set to the appropriate error code.
+ */
+struct snmp_session *snmp_open _ANSI_ARGS_((struct snmp_session *session));
+
+/*
+ * int snmp_close(session)
+ * struct snmp_session *session;
+ *
+ * Close the input session. Frees all data allocated for the session,
+ * dequeues any pending requests, and closes any sockets allocated for
+ * the session. Returns 0 on error, 1 otherwise.
+ */
+int snmp_close _ANSI_ARGS_((struct snmp_session *session));
+
+
+/*
+ * int snmp_send(session, pdu)
+ * struct snmp_session *session;
+ * struct snmp_pdu *pdu;
+ *
+ * Sends the input pdu on the session after calling snmp_build to create
+ * a serialized packet. If necessary, set some of the pdu data from the
+ * session defaults. Add a request corresponding to this pdu to the list
+ * of outstanding requests on this session, then send the pdu.
+ * Returns the request id of the generated packet if applicable, otherwise 1.
+ * On any error, 0 is returned.
+ * The pdu is freed by snmp_send() unless a failure occured.
+ */
+int snmp_send _ANSI_ARGS_((struct snmp_session *session,
+ struct snmp_pdu *pdu));
+
+
+/*
+ * void snmp_read(fdset)
+ * fd_set *fdset;
+ *
+ * Checks to see if any of the fd's set in the fdset belong to
+ * snmp. Each socket with it's fd set has a packet read from it
+ * and snmp_parse is called on the packet received. The resulting pdu
+ * is passed to the callback routine for that session. If the callback
+ * routine returns successfully, the pdu and it's request are deleted.
+ */
+void snmp_read (fd_set *fdset);
+
+
+/*
+ * void
+ * snmp_free_pdu(pdu)
+ * struct snmp_pdu *pdu;
+ *
+ * Frees the pdu and any malloc'd data associated with it.
+ */
+void snmp_free_pdu (struct snmp_pdu *pdu);
+
+/*
+ * int snmp_select_info(numfds, fdset, timeout, block)
+ * int *numfds;
+ * fd_set *fdset;
+ * struct timeval *timeout;
+ * int *block;
+ *
+ * Returns info about what snmp requires from a select statement.
+ * numfds is the number of fds in the list that are significant.
+ * All file descriptors opened for SNMP are OR'd into the fdset.
+ * If activity occurs on any of these file descriptors, snmp_read
+ * should be called with that file descriptor set.
+ *
+ * The timeout is the latest time that SNMP can wait for a timeout. The
+ * select should be done with the minimum time between timeout and any other
+ * timeouts necessary. This should be checked upon each invocation of select.
+ * If a timeout is received, snmp_timeout should be called to check if the
+ * timeout was for SNMP. (snmp_timeout is idempotent)
+ *
+ * Block is 1 if the select is requested to block indefinitely, rather than time out.
+ * If block is input as 1, the timeout value will be treated as undefined, but it must
+ * be available for setting in snmp_select_info. On return, if block is true, the value
+ * of timeout will be undefined.
+ *
+ * snmp_select_info returns the number of open sockets. (i.e. The number of sessions open)
+ */
+int snmp_select_info _ANSI_ARGS_((int *numfds,
+ fd_set *fdset,
+ struct timeval *timeout,
+ int *block));
+
+/*
+ * void snmp_timeout();
+ *
+ * snmp_timeout should be called whenever the timeout from snmp_select_info expires,
+ * but it is idempotent, so snmp_timeout can be polled (probably a cpu expensive
+ * proposition). snmp_timeout checks to see if any of the sessions have an
+ * outstanding request that has timed out. If it finds one (or more), and that
+ * pdu has more retries available, a new packet is formed from the pdu and is
+ * resent. If there are no more retries available, the callback for the session
+ * is used to alert the user of the timeout.
+ */
+void snmp_timeout _ANSI_ARGS_((void));
+
+
+/*
+ * This routine must be supplied by the application:
+ *
+ * u_char *authenticator(pdu, length, community, community_len)
+ * u_char *pdu; The rest of the PDU to be authenticated
+ * int *length; The length of the PDU (updated by the authenticator)
+ * u_char *community; The community name to authenticate under.
+ * int community_len The length of the community name.
+ *
+ * Returns the authenticated pdu, or NULL if authentication failed.
+ * If null authentication is used, the authenticator in snmp_session can be
+ * set to NULL(0).
+ */
+
+/*
+ * This routine must be supplied by the application:
+ *
+ * int callback(operation, session, reqid, pdu, magic)
+ * int operation;
+ * struct snmp_session *session; The session authenticated under.
+ * int reqid; The request id of this pdu (0 for TRAP)
+ * struct snmp_pdu *pdu; The pdu information.
+ * void *magic A link to the data for this routine.
+ *
+ * Returns 1 if request was successful, 0 if it should be kept pending.
+ * Any data in the pdu must be copied because it will be freed elsewhere.
+ * Operations are defined below:
+ */
+#endif
+
+#define RECEIVED_MESSAGE 1
+#define TIMED_OUT 2
+
+extern int snmp_dump_packet;
+
+#endif
--- /dev/null
+/*
+ * snmp_client.h
+ */
+
+/***********************************************************
+ Copyright 1988, 1989 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.
+******************************************************************/
+
+#ifndef SNMP_CLIENT_H
+#define SNMP_CLIENT_H
+
+#undef _ANSI_ARGS_
+#if (defined(__STDC__) && ! defined(NO_PROTOTYPE)) || defined(USE_PROTOTYPE)
+# define _ANSI_ARGS_(x) x
+#else
+# define _ANSI_ARGS_(x) ()
+#endif
+
+
+
+struct synch_state {
+ int waiting;
+ int status;
+/* status codes */
+#define STAT_SUCCESS 0
+#define STAT_ERROR 1
+#define STAT_TIMEOUT 2
+ int reqid;
+ struct snmp_pdu *pdu;
+};
+
+extern struct synch_state snmp_synch_state;
+
+extern struct snmp_pdu *snmp_pdu_create _ANSI_ARGS_((int cmd));
+
+extern struct snmp_pdu *snmp_fix_pdu _ANSI_ARGS_((struct snmp_pdu *pdu,
+ int cmd));
+extern char *snmp_errstring _ANSI_ARGS_((int errstat));
+
+#endif
--- /dev/null
+/*
+ * Definitions for SNMP (RFC 1067) implementation.
+ *
+ *
+ */
+/***********************************************************
+ Copyright 1988, 1989 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.
+******************************************************************/
+
+#ifndef SNMP_IMPL_H
+#define SNMP_IMPL_H
+
+
+#undef _ANSI_ARGS_
+#if (defined(__STDC__) && ! defined(NO_PROTOTYPE)) || defined(USE_PROTOTYPE)
+# define _ANSI_ARGS_(x) x
+#else
+# define _ANSI_ARGS_(x) ()
+#endif
+
+
+#if (defined vax) || (defined (mips))
+/*
+ * This is a fairly bogus thing to do, but there seems to be no better way for
+ * compilers that don't understand void pointers.
+ */
+#define void char
+#endif
+
+/*
+ * Error codes:
+ */
+/*
+ * These must not clash with SNMP error codes (all positive).
+ */
+#define PARSE_ERROR -1
+#define BUILD_ERROR -2
+
+#define SID_MAX_LEN 200
+#define MAX_NAME_LEN 64 /* number of subid's in a objid */
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#define READ 1
+#define WRITE 0
+
+#define RESERVE1 0
+#define RESERVE2 1
+#define COMMIT 2
+#define ACTION 3
+#define FREE 4
+
+#define RONLY 0xAAAA /* read access for everyone */
+#define RWRITE 0xAABA /* add write access for community private */
+#define NOACCESS 0x0000 /* no access for anybody */
+
+#define INTEGER ASN_INTEGER
+#define STRING ASN_OCTET_STR
+#define OBJID ASN_OBJECT_ID
+#define NULLOBJ ASN_NULL
+
+/* defined types (from the SMI, RFC 1065) */
+#define IPADDRESS (ASN_APPLICATION | 0)
+#define COUNTER (ASN_APPLICATION | 1)
+#define GAUGE (ASN_APPLICATION | 2)
+#define TIMETICKS (ASN_APPLICATION | 3)
+#define OPAQUE (ASN_APPLICATION | 4)
+
+#define NSAP (ASN_APPLICATION | 5)
+#define COUNTER64 (ASN_APPLICATION | 6)
+#define UINTEGER (ASN_APPLICATION | 7)
+#define DEBUG
+#ifdef DEBUG
+#define ERROR(string) fprintf(stderr,"%s(%d): %s\n",__FILE__, __LINE__, string);
+#else
+#define ERROR(string)
+#endif
+
+/* from snmp.c*/
+extern u_char sid[]; /* size SID_MAX_LEN */
+
+extern u_char *snmp_parse_var_op _ANSI_ARGS_((u_char *data,
+ oid *var_name,
+ int *var_name_len,
+ u_char *var_val_type,
+ int *var_val_len,
+ u_char **var_val,
+ int *listlength));
+
+extern u_char *snmp_build_var_op _ANSI_ARGS_((u_char *data,
+ oid *var_name,
+ int *var_name_len,
+ u_char var_val_type,
+ int var_val_len,
+ u_char *var_val,
+ int *listlength));
+
+extern u_char *snmp_auth_parse _ANSI_ARGS_((u_char *data,
+ int *length,
+ u_char *sid,
+ int *slen,
+ long *version));
+
+extern u_char *snmp_auth_build _ANSI_ARGS_((u_char *data,
+ int *length,
+ struct snmp_session *session,
+ int is_agent,
+ int messagelen));
+
+#endif
--- /dev/null
+#ifndef SNMP_UTIL_H
+#define SNMP_UTIL_H
+
+
+#undef _ANSI_ARGS_
+#if (defined(__STDC__) && ! defined(NO_PROTOTYPE)) || defined(USE_PROTOTYPE)
+# define _ANSI_ARGS_(x) x
+#else
+# define _ANSI_ARGS_(x) ()
+#endif
+
+
+/*
+ * call a function at regular intervals (in seconds):
+ */
+extern void snmp_alarm _ANSI_ARGS_((int ival, void (*handler) (void)));
+
+
+/*
+ * service for filedescriptors:
+ */
+
+extern void fd_add _ANSI_ARGS_((int fd, void (*func)(int fd)));
+extern void fd_service _ANSI_ARGS_((void));
+
+
+/* ---------------------------------------------------------------------- */
+
+/*
+** SNMP Agent extension for Spacer-Controler Management
+**
+** Copyright (c) 1997 FT/CNET/DES/GRL Olivier Montanuy
+**
+*/
+/*
+** Function to safely copy a string, and ensure the last
+** character is always '\0'.
+*/
+void
+strcpy_safe _ANSI_ARGS_((char *str, int str_len, char *val));
+
+
+/*
+** Function to get IP address of this agent
+** WARNING: this scans all interfaces (slow)
+*/
+u_long
+Util_local_ip_address _ANSI_ARGS_((void));
+
+/*
+** Function to get the current time in seconds
+*/
+long
+Util_time_now _ANSI_ARGS_((void));
+
+/*
+** Function to determine how long the agent has been running
+* (WARNING: this seems rather slow)
+*/
+long
+Util_time_running();
+
+/*
+** Read data from file
+*/
+int
+Util_file_read _ANSI_ARGS_((char *file, int offset, char *data, int dataSz));
+
+/*
+** Write data into file
+*/
+int
+Util_file_write _ANSI_ARGS_((char *file, int offset, char *data, int dataSz));
+
+
+/* ---------------------------------------------------------------------- */
+
+
+
+
+
+
+
+
+
+
+
+
+
+#endif
--- /dev/null
+/*
+ * Definitions for SNMP (RFC 1067) agent variable finder.
+ * and more.
+ */
+/***********************************************************
+ Copyright 1988, 1989 by Carnegie Mellon University
+ Copyright 1989 TGV, Incorporated
+
+ 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 and TGV not be used
+in advertising or publicity pertaining to distribution of the software
+without specific, written prior permission.
+
+CMU AND TGV DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+EVENT SHALL CMU OR TGV 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.
+******************************************************************/
+
+#ifndef SNMPLIB_H
+#define SNMPLIB_H
+
+
+#undef _ANSI_ARGS_
+#if (defined(__STDC__) && ! defined(NO_PROTOTYPE)) || defined(USE_PROTOTYPE)
+# define _ANSI_ARGS_(x) x
+#else
+# define _ANSI_ARGS_(x) ()
+#endif
+
+
+u_char *var_system();
+u_char *var_ifEntry();
+u_char *var_atEntry();
+u_char *var_ip();
+u_char *var_ipAddrEntry();
+u_char *var_ipRouteEntry();
+u_char *var_icmp();
+u_char *var_tcp();
+u_char *var_udp();
+#ifdef linux
+u_char *var_snmp();
+u_char *var_id();
+#endif
+u_char *var_process();
+u_char *var_event();
+u_char *var_capture();
+u_char *var_demo();
+u_char *var_snmpStats();
+u_char *var_usecStats();
+u_char *var_usecAgent();
+u_char *var_orEntry();
+u_char *var_rwstats();
+u_char *getStatPtr();
+
+extern long long_return;
+extern u_char return_buf[];
+
+#define INST 0xFFFFFFFF /* used to fill out the instance field of the variables table */
+
+/*
+ * These are unit magic numbers for each variable.
+ */
+
+#define VERSION_DESCR 0
+#define VERSION_ID 1
+#define IFNUMBER 2
+#define UPTIME 3
+#define SYSCONTACT 4
+#define SYSYSNAME 5
+#define SYSLOCATION 6
+#define SYSSERVICES 7
+#define SYSORLASTCHANGE 8
+
+#define IFINDEX 1
+#define IFDESCR 2
+#define IFTYPE 3
+#define IFMTU 4
+#define IFSPEED 5
+#define IFPHYSADDRESS 6
+#define IFADMINSTATUS 7
+#define IFOPERSTATUS 8
+#define IFLASTCHANGE 9
+#define IFINOCTETS 10
+#define IFINUCASTPKTS 11
+#define IFINNUCASTPKTS 12
+#define IFINDISCARDS 13
+#define IFINERRORS 14
+#define IFINUNKNOWNPROTOS 15
+#define IFOUTOCTETS 16
+#define IFOUTUCASTPKTS 17
+#define IFOUTNUCASTPKTS 18
+#define IFOUTDISCARDS 19
+#define IFOUTERRORS 20
+#define IFOUTQLEN 21
+#define IFSPECIFIC 22
+
+#define ATIFINDEX 0
+#define ATPHYSADDRESS 1
+#define ATNETADDRESS 2
+
+#define IPFORWARDING 0
+#define IPDEFAULTTTL 1
+#define IPINRECEIVES 2
+#define IPINHDRERRORS 3
+#define IPINADDRERRORS 4
+#define IPFORWDATAGRAMS 5
+#define IPINUNKNOWNPROTOS 6
+#define IPINDISCARDS 7
+#define IPINDELIVERS 8
+#define IPOUTREQUESTS 9
+#define IPOUTDISCARDS 10
+#define IPOUTNOROUTES 11
+#define IPREASMTIMEOUT 12
+#define IPREASMREQDS 13
+#define IPREASMOKS 14
+#define IPREASMFAILS 15
+#define IPFRAGOKS 16
+#define IPFRAGFAILS 17
+#define IPFRAGCREATES 18
+
+#define IPADADDR 1
+#define IPADIFINDEX 2
+#define IPADNETMASK 3
+#define IPADBCASTADDR 4
+#define IPADENTREASMMAXSIZE 5
+
+#ifndef linux
+#define IPROUTEDEST 0
+#define IPROUTEIFINDEX 1
+#define IPROUTEMETRIC1 2
+#define IPROUTEMETRIC2 3
+#define IPROUTEMETRIC3 4
+#define IPROUTEMETRIC4 5
+#define IPROUTENEXTHOP 6
+#define IPROUTETYPE 7
+#define IPROUTEPROTO 8
+#define IPROUTEAGE 9
+#else
+/* XXX */
+#define IPROUTEDEST 1
+#define IPROUTEIFINDEX 2
+#define IPROUTEMETRIC1 3
+#define IPROUTEMETRIC2 4
+#define IPROUTEMETRIC3 5
+#define IPROUTEMETRIC4 6
+#define IPROUTENEXTHOP 7
+#define IPROUTETYPE 8
+#define IPROUTEPROTO 9
+#define IPROUTEAGE 10
+#define IPROUTEMASK 11
+#define IPROUTEMETRIC5 12
+#define IPROUTEINFO 13
+#endif
+
+#define IPNETTOMEDIAIFINDEX 1
+#define IPNETTOMEDIAPHYSADDR 2
+#define IPNETTOMEDIANETADDR 3
+#define IPNETTOMEDIATYPE 4
+
+#define ICMPINMSGS 0
+#define ICMPINERRORS 1
+#define ICMPINDESTUNREACHS 2
+#define ICMPINTIMEEXCDS 3
+#define ICMPINPARMPROBS 4
+#define ICMPINSRCQUENCHS 5
+#define ICMPINREDIRECTS 6
+#define ICMPINECHOS 7
+#define ICMPINECHOREPS 8
+#define ICMPINTIMESTAMPS 9
+#define ICMPINTIMESTAMPREPS 10
+#define ICMPINADDRMASKS 11
+#define ICMPINADDRMASKREPS 12
+#define ICMPOUTMSGS 13
+#define ICMPOUTERRORS 14
+#define ICMPOUTDESTUNREACHS 15
+#define ICMPOUTTIMEEXCDS 16
+#define ICMPOUTPARMPROBS 17
+#define ICMPOUTSRCQUENCHS 18
+#define ICMPOUTREDIRECTS 19
+#define ICMPOUTECHOS 20
+#define ICMPOUTECHOREPS 21
+#define ICMPOUTTIMESTAMPS 22
+#define ICMPOUTTIMESTAMPREPS 23
+#define ICMPOUTADDRMASKS 24
+#define ICMPOUTADDRMASKREPS 25
+
+#define TCPRTOALGORITHM 1
+#define TCPRTOMIN 2
+#define TCPRTOMAX 3
+#define TCPMAXCONN 4
+#define TCPACTIVEOPENS 5
+#define TCPPASSIVEOPENS 6
+#define TCPATTEMPTFAILS 7
+#define TCPESTABRESETS 8
+#define TCPCURRESTAB 9
+#define TCPINSEGS 10
+#define TCPOUTSEGS 11
+#define TCPRETRANSSEGS 12
+#define TCPCONNSTATE 13
+#define TCPCONNLOCALADDRESS 14
+#define TCPCONNLOCALPORT 15
+#define TCPCONNREMADDRESS 16
+#define TCPCONNREMPORT 17
+
+#define UDPINDATAGRAMS 0
+#define UDPNOPORTS 1
+#define UDPINERRORS 2
+#define UDPOUTDATAGRAMS 3
+#ifdef linux
+#define UDPLOCALADDRESS 4
+#define UDPLOCALPORT 5
+#endif /* linux */
+
+#define SNMPINPKTS 1
+#define SNMPOUTPKTS 2
+#define SNMPINBADVERSIONS 3
+#define SNMPINBADCOMMUNITYNAMES 4
+#define SNMPINBADCOMMUNITYUSES 5
+#define SNMPINASNPARSEERRORS 6
+#define SNMPINTOOBIGS 8
+#define SNMPINNOSUCHNAMES 9
+#define SNMPINBADVALUES 10
+#define SNMPINREADONLYS 11
+#define SNMPINGENERRS 12
+#define SNMPINTOTALREQVARS 13
+#define SNMPINTOTALSETVARS 14
+#define SNMPINGETREQUESTS 15
+#define SNMPINGETNEXTS 16
+#define SNMPINSETREQUESTS 17
+#define SNMPINGETRESPONSES 18
+#define SNMPINTRAPS 19
+#define SNMPOUTTOOBIGS 20
+#define SNMPOUTNOSUCHNAMES 21
+#define SNMPOUTBADVALUES 22
+#define SNMPOUTGENERRS 24
+#define SNMPOUTGETREQUESTS 25
+#define SNMPOUTGETNEXTS 26
+#define SNMPOUTSETREQUESTS 27
+#define SNMPOUTGETRESPONSES 28
+#define SNMPOUTTRAPS 29
+#define SNMPENABLEAUTHENTRAPS 30
+
+
+/*
+ * for tcp-connection list access:
+ */
+#include <netinet/in.h>
+
+#ifdef linux
+struct inpcb {
+ struct inpcb *inp_next; /* pointers to other pcb's */
+ struct in_addr inp_faddr; /* foreign host table entry */
+ u_short inp_fport; /* foreign port */
+ struct in_addr inp_laddr; /* local host table entry */
+ u_short inp_lport; /* local port */
+ int inp_state;
+ int uid; /* owner of the connection */
+};
+#endif
+
+extern void TCP_Scan_Init ();
+extern int TCP_Scan_Next ();
+
+
+struct variable {
+ u_char magic; /* passed to function as a hint */
+ char type; /* type of variable */
+/* See important comment in snmp_vars.c relating to acl */
+ u_short acl; /* access control list for variable */
+ u_char *(*findVar)(); /* function that finds variable */
+ u_char namelen; /* length of above */
+ oid name[32]; /* object identifier of variable */
+};
+
+extern int compare ();
+extern void Interface_Scan_Init ();
+extern int Interface_Scan_Next ();
+
+#endif
projects / thirdparty / squid.git / commitdiff
