embedaddon/quagga/bgpd/bgp_snmp.c - diff

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Diff for /embedaddon/quagga/bgpd/bgp_snmp.c between versions 1.1 and 1.1.1.3

version 1.1, 2012/02/21 17:26:12	version 1.1.1.3, 2016/11/02 10:09:10
Line 21 Software Foundation, Inc., 59 Temple Place - Suite 330	Line 21 Software Foundation, Inc., 59 Temple Place - Suite 330
#include <zebra.h>	#include <zebra.h>

#ifdef HAVE_SNMP	#ifdef HAVE_SNMP
#ifdef HAVE_NETSNMP
#include <net-snmp/net-snmp-config.h>	#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>	#include <net-snmp/net-snmp-includes.h>
#else
#include <asn1.h>
#include <snmp.h>
#include <snmp_impl.h>
#endif

#include "if.h"	#include "if.h"
#include "log.h"	#include "log.h"
Line 36 Software Foundation, Inc., 59 Temple Place - Suite 330	Line 30 Software Foundation, Inc., 59 Temple Place - Suite 330
#include "command.h"	#include "command.h"
#include "thread.h"	#include "thread.h"
#include "smux.h"	#include "smux.h"
	#include "filter.h"

#include "bgpd/bgpd.h"	#include "bgpd/bgpd.h"
#include "bgpd/bgp_table.h"	#include "bgpd/bgp_table.h"
Line 44 Software Foundation, Inc., 59 Temple Place - Suite 330	Line 39 Software Foundation, Inc., 59 Temple Place - Suite 330
#include "bgpd/bgp_route.h"	#include "bgpd/bgp_route.h"
#include "bgpd/bgp_fsm.h"	#include "bgpd/bgp_fsm.h"
#include "bgpd/bgp_snmp.h"	#include "bgpd/bgp_snmp.h"

/* BGP4-MIB described in RFC1657. */	/* BGP4-MIB described in RFC1657. */
#define BGP4MIB 1,3,6,1,2,1,15	#define BGP4MIB 1,3,6,1,2,1,15

Line 80 Software Foundation, Inc., 59 Temple Place - Suite 330	Line 75 Software Foundation, Inc., 59 Temple Place - Suite 330
#define BGPPEERKEEPALIVE 19	#define BGPPEERKEEPALIVE 19
#define BGPPEERHOLDTIMECONFIGURED 20	#define BGPPEERHOLDTIMECONFIGURED 20
#define BGPPEERKEEPALIVECONFIGURED 21	#define BGPPEERKEEPALIVECONFIGURED 21
#define BGPPEERMINASORIGINATIONINTERVAL 22	#define BGPPEERMINROUTEADVERTISEMENTINTERVAL 22
#define BGPPEERMINROUTEADVERTISEMENTINTERVAL 23	#define BGPPEERINUPDATEELAPSEDTIME 23
#define BGPPEERINUPDATEELAPSEDTIME 24

/* BGP MIB bgpIdentifier. */	/* BGP MIB bgpIdentifier. */
#define BGPIDENTIFIER 0	#define BGPIDENTIFIER 0
Line 118 Software Foundation, Inc., 59 Temple Place - Suite 330	Line 112 Software Foundation, Inc., 59 Temple Place - Suite 330
#define OCTET_STRING ASN_OCTET_STR	#define OCTET_STRING ASN_OCTET_STR
#define IPADDRESS ASN_IPADDRESS	#define IPADDRESS ASN_IPADDRESS
#define GAUGE32 ASN_UNSIGNED	#define GAUGE32 ASN_UNSIGNED

/* Declare static local variables for convenience. */	/* Declare static local variables for convenience. */
SNMP_LOCAL_VARIABLES	SNMP_LOCAL_VARIABLES

/* BGP-MIB instances. */	/* BGP-MIB instances. */
oid bgp_oid [] = { BGP4MIB };	oid bgp_oid [] = { BGP4MIB };
	oid bgp_trap_oid [] = { BGP4MIB, 0 };

/* IP address 0.0.0.0. */	/* IP address 0.0.0.0. */
static struct in_addr bgp_empty_addr = {0};	static struct in_addr bgp_empty_addr = { .s_addr = 0 };

/* Hook functions. */	/* Hook functions. */
static u_char bgpVersion (struct variable , oid [], size_t *, int,	static u_char bgpVersion (struct variable , oid [], size_t *, int,
Line 194 struct variable bgp_variables[] =	Line 189 struct variable bgp_variables[] =
3, {3, 1, 20}},	3, {3, 1, 20}},
{BGPPEERKEEPALIVECONFIGURED, INTEGER, RWRITE, bgpPeerTable,	{BGPPEERKEEPALIVECONFIGURED, INTEGER, RWRITE, bgpPeerTable,
3, {3, 1, 21}},	3, {3, 1, 21}},
{BGPPEERMINASORIGINATIONINTERVAL, INTEGER, RWRITE, bgpPeerTable,
3, {3, 1, 22}},
{BGPPEERMINROUTEADVERTISEMENTINTERVAL, INTEGER, RWRITE, bgpPeerTable,	{BGPPEERMINROUTEADVERTISEMENTINTERVAL, INTEGER, RWRITE, bgpPeerTable,
3, {3, 1, 23}},	3, {3, 1, 23}},
{BGPPEERINUPDATEELAPSEDTIME, GAUGE32, RONLY, bgpPeerTable,	{BGPPEERINUPDATEELAPSEDTIME, GAUGE32, RONLY, bgpPeerTable,
Line 247 struct variable bgp_variables[] =	Line 240 struct variable bgp_variables[] =
3, {6, 1, 14}},	3, {6, 1, 14}},
};	};


static u_char *	static u_char *
bgpVersion (struct variable v, oid name[], size_t length, int exact,	bgpVersion (struct variable v, oid name[], size_t length, int exact,
size_t var_len, WriteMethod *write_method)	size_t var_len, WriteMethod *write_method)
Line 342 bgp_peer_lookup_next (struct in_addr *src)	Line 335 bgp_peer_lookup_next (struct in_addr *src)
return NULL;	return NULL;
}	}

	/* 1.3.6.1.2.1.15.3.1.x = 10 */
	#define PEERTAB_NAMELEN 10

static struct peer *	static struct peer *
bgpPeerTable_lookup (struct variable v, oid name[], size_t length,	bgpPeerTable_lookup (struct variable v, oid name[], size_t length,
struct in_addr *addr, int exact)	struct in_addr *addr, int exact)
{	{
struct peer *peer = NULL;	struct peer *peer = NULL;
	size_t namelen = v ? v->namelen : PEERTAB_NAMELEN;
int len;	int len;

if (exact)	if (exact)
{	{
/* Check the length. */	/* Check the length. */
if (*length - v->namelen != sizeof (struct in_addr))	if (*length - namelen != sizeof (struct in_addr))
return NULL;	return NULL;

oid2in_addr (name + v->namelen, IN_ADDR_SIZE, addr);	oid2in_addr (name + namelen, IN_ADDR_SIZE, addr);

peer = peer_lookup_addr_ipv4 (addr);	peer = peer_lookup_addr_ipv4 (addr);
return peer;	return peer;
}	}
else	else
{	{
len = *length - v->namelen;	len = *length - namelen;
if (len > 4) len = 4;	if (len > 4) len = 4;

oid2in_addr (name + v->namelen, len, addr);	oid2in_addr (name + namelen, len, addr);

peer = bgp_peer_lookup_next (addr);	peer = bgp_peer_lookup_next (addr);

if (peer == NULL)	if (peer == NULL)
return NULL;	return NULL;

oid_copy_addr (name + v->namelen, addr, sizeof (struct in_addr));	oid_copy_addr (name + namelen, addr, sizeof (struct in_addr));
*length = sizeof (struct in_addr) + v->namelen;	*length = sizeof (struct in_addr) + namelen;

return peer;	return peer;
}	}
Line 384 bgpPeerTable_lookup (struct variable *v, oid name[], s	Line 381 bgpPeerTable_lookup (struct variable *v, oid name[], s
static int	static int
write_bgpPeerTable (int action, u_char *var_val,	write_bgpPeerTable (int action, u_char *var_val,
u_char var_val_type, size_t var_val_len,	u_char var_val_type, size_t var_val_len,
u_char statP, oid name, size_t length,	u_char statP, oid name, size_t length)
struct variable *v)
{	{
struct in_addr addr;	struct in_addr addr;
struct peer *peer;	struct peer *peer;
long intval;	long intval;
size_t bigsize = SNMP_MAX_LEN;

if (var_val_type != ASN_INTEGER)	if (var_val_type != ASN_INTEGER)
{	{
return SNMP_ERR_WRONGTYPE;	return SNMP_ERR_WRONGTYPE;
Line 401 write_bgpPeerTable (int action, u_char *var_val,	Line 396 write_bgpPeerTable (int action, u_char *var_val,
return SNMP_ERR_WRONGLENGTH;	return SNMP_ERR_WRONGLENGTH;
}	}

if (! asn_parse_int(var_val, &bigsize, &var_val_type,	intval = (long )var_val;
&intval, sizeof(long)))
{
return SNMP_ERR_WRONGENCODING;
}

memset (&addr, 0, sizeof (struct in_addr));	memset (&addr, 0, sizeof (struct in_addr));

peer = bgpPeerTable_lookup (v, name, &length, &addr, 1);	peer = bgpPeerTable_lookup (NULL, name, &length, &addr, 1);
if (! peer)	if (! peer)
return SNMP_ERR_NOSUCHNAME;	return SNMP_ERR_NOSUCHNAME;

printf ("val: %ld\n", intval);	if (action != SNMP_MSG_INTERNAL_SET_COMMIT)
	return SNMP_ERR_NOERROR;

switch (v->magic)	zlog_info ("%s: SNMP write .%ld = %ld",
	peer->host, (long)name[PEERTAB_NAMELEN - 1], intval);

	switch (name[PEERTAB_NAMELEN - 1])
{	{
case BGPPEERADMINSTATUS:	case BGPPEERADMINSTATUS:
#define BGP_PeerAdmin_stop 1	#define BGP_PeerAdmin_stop 1
Line 443 write_bgpPeerTable (int action, u_char *var_val,	Line 438 write_bgpPeerTable (int action, u_char *var_val,
peer->keepalive = intval;	peer->keepalive = intval;
peer->v_keepalive = intval;	peer->v_keepalive = intval;
break;	break;
case BGPPEERMINASORIGINATIONINTERVAL:
peer->v_asorig = intval;
break;
case BGPPEERMINROUTEADVERTISEMENTINTERVAL:	case BGPPEERMINROUTEADVERTISEMENTINTERVAL:
peer->v_routeadv = intval;	peer->v_routeadv = intval;
break;	break;
Line 460 bgpPeerTable (struct variable v, oid name[], size_t	Line 452 bgpPeerTable (struct variable v, oid name[], size_t
static struct in_addr addr;	static struct in_addr addr;
struct peer *peer;	struct peer *peer;

*write_method = NULL;	if (smux_header_table(v, name, length, exact, var_len, write_method)
	== MATCH_FAILED)
	return NULL;
memset (&addr, 0, sizeof (struct in_addr));	memset (&addr, 0, sizeof (struct in_addr));

peer = bgpPeerTable_lookup (v, name, length, &addr, exact);	peer = bgpPeerTable_lookup (v, name, length, &addr, exact);
Line 572 bgpPeerTable (struct variable v, oid name[], size_t	Line 566 bgpPeerTable (struct variable v, oid name[], size_t
else	else
return SNMP_INTEGER (peer->v_keepalive);	return SNMP_INTEGER (peer->v_keepalive);
break;	break;
case BGPPEERMINASORIGINATIONINTERVAL:
*write_method = write_bgpPeerTable;
return SNMP_INTEGER (peer->v_asorig);
break;
case BGPPEERMINROUTEADVERTISEMENTINTERVAL:	case BGPPEERMINROUTEADVERTISEMENTINTERVAL:
*write_method = write_bgpPeerTable;	*write_method = write_bgpPeerTable;
return SNMP_INTEGER (peer->v_routeadv);	return SNMP_INTEGER (peer->v_routeadv);
Line 770 bgp4PathAttrTable (struct variable *v, oid name[], siz	Line 760 bgp4PathAttrTable (struct variable *v, oid name[], siz
if (! bgp)	if (! bgp)
return NULL;	return NULL;

	if (smux_header_table(v, name, length, exact, var_len, write_method)
	== MATCH_FAILED)
	return NULL;
memset (&addr, 0, sizeof (struct prefix_ipv4));	memset (&addr, 0, sizeof (struct prefix_ipv4));

binfo = bgp4PathAttrLookup (v, name, length, bgp, &addr, exact);	binfo = bgp4PathAttrLookup (v, name, length, bgp, &addr, exact);
Line 835 bgp4PathAttrTable (struct variable *v, oid name[], siz	Line 828 bgp4PathAttrTable (struct variable *v, oid name[], siz
}	}
return NULL;	return NULL;
}	}

/* BGP Traps. */	/* BGP Traps. */
struct trap_object bgpTrapList[] =	struct trap_object bgpTrapList[] =
{	{
{bgpPeerTable, 3, {3, 1, BGPPEERLASTERROR}},	{3, {3, 1, BGPPEERLASTERROR}},
{bgpPeerTable, 3, {3, 1, BGPPEERSTATE}}	{3, {3, 1, BGPPEERSTATE}}
};	};

void	void
Line 856 bgpTrapEstablished (struct peer *peer)	Line 849 bgpTrapEstablished (struct peer *peer)

oid_copy_addr (index, &addr, IN_ADDR_SIZE);	oid_copy_addr (index, &addr, IN_ADDR_SIZE);

smux_trap (bgp_oid, sizeof bgp_oid / sizeof (oid),	smux_trap (bgp_variables, sizeof bgp_variables / sizeof (struct variable),
	bgp_trap_oid, sizeof bgp_trap_oid / sizeof (oid),
	bgp_oid, sizeof bgp_oid / sizeof (oid),
index, IN_ADDR_SIZE,	index, IN_ADDR_SIZE,
bgpTrapList, sizeof bgpTrapList / sizeof (struct trap_object),	bgpTrapList, sizeof bgpTrapList / sizeof (struct trap_object),
bm->start_time - bgp_clock (), BGPESTABLISHED);	BGPESTABLISHED);
}	}

void	void
Line 875 bgpTrapBackwardTransition (struct peer *peer)	Line 870 bgpTrapBackwardTransition (struct peer *peer)

oid_copy_addr (index, &addr, IN_ADDR_SIZE);	oid_copy_addr (index, &addr, IN_ADDR_SIZE);

smux_trap (bgp_oid, sizeof bgp_oid / sizeof (oid),	smux_trap (bgp_variables, sizeof bgp_variables / sizeof (struct variable),
	bgp_trap_oid, sizeof bgp_trap_oid / sizeof (oid),
	bgp_oid, sizeof bgp_oid / sizeof (oid),
index, IN_ADDR_SIZE,	index, IN_ADDR_SIZE,
bgpTrapList, sizeof bgpTrapList / sizeof (struct trap_object),	bgpTrapList, sizeof bgpTrapList / sizeof (struct trap_object),
bm->start_time - bgp_clock (), BGPBACKWARDTRANSITION);	BGPBACKWARDTRANSITION);
}	}

void	void

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