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-rw-r--r--zebra/zebra_snmp.c180
1 files changed, 99 insertions, 81 deletions
diff --git a/zebra/zebra_snmp.c b/zebra/zebra_snmp.c
index d160bfa7..051aaaa7 100644
--- a/zebra/zebra_snmp.c
+++ b/zebra/zebra_snmp.c
@@ -1,4 +1,4 @@
-/* BGP4 SNMP support
+/* FIB SNMP.
* Copyright (C) 1999 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
@@ -22,6 +22,9 @@
#include <zebra.h>
#ifdef HAVE_SNMP
+#ifdef HAVE_NETSNMP
+#include <net-snmp/net-snmp-config.h>
+#endif
#include <asn1.h>
#include <snmp.h>
#include <snmp_impl.h>
@@ -90,41 +93,41 @@ u_char * ipCidrNumber ();
u_char * ipCidrTable ();
struct variable zebra_variables[] =
-{
- {0, GAUGE32, RONLY, ipFwNumber, 1, {1}},
- {IPFORWARDDEST, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 1}},
- {IPFORWARDMASK, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 2}},
- {IPFORWARDPOLICY, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 3}},
- {IPFORWARDNEXTHOP, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 4}},
- {IPFORWARDIFINDEX, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 5}},
- {IPFORWARDTYPE, ENUMERATION, RONLY, ipFwTable, 3, {2, 1, 6}},
- {IPFORWARDPROTO, ENUMERATION, RONLY, ipFwTable, 3, {2, 1, 7}},
- {IPFORWARDAGE, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 8}},
- {IPFORWARDINFO, OBJECTIDENTIFIER, RONLY, ipFwTable, 3, {2, 1, 9}},
- {IPFORWARDNEXTHOPAS, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 10}},
- {IPFORWARDMETRIC1, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 11}},
- {IPFORWARDMETRIC2, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 12}},
- {IPFORWARDMETRIC3, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 13}},
- {IPFORWARDMETRIC4, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 14}},
- {IPFORWARDMETRIC5, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 15}},
- {0, GAUGE32, RONLY, ipCidrNumber, 1, {3}},
- {IPCIDRROUTEDEST, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 1}},
- {IPCIDRROUTEMASK, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 2}},
- {IPCIDRROUTETOS, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 3}},
- {IPCIDRROUTENEXTHOP, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 4}},
- {IPCIDRROUTEIFINDEX, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 5}},
- {IPCIDRROUTETYPE, ENUMERATION, RONLY, ipCidrTable, 3, {4, 1, 6}},
- {IPCIDRROUTEPROTO, ENUMERATION, RONLY, ipCidrTable, 3, {4, 1, 7}},
- {IPCIDRROUTEAGE, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 8}},
- {IPCIDRROUTEINFO, OBJECTIDENTIFIER, RONLY, ipCidrTable, 3, {4, 1, 9}},
- {IPCIDRROUTENEXTHOPAS, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 10}},
- {IPCIDRROUTEMETRIC1, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 11}},
- {IPCIDRROUTEMETRIC2, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 12}},
- {IPCIDRROUTEMETRIC3, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 13}},
- {IPCIDRROUTEMETRIC4, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 14}},
- {IPCIDRROUTEMETRIC5, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 15}},
- {IPCIDRROUTESTATUS, ROWSTATUS, RONLY, ipCidrTable, 3, {4, 1, 16}}
-};
+ {
+ {0, GAUGE32, RONLY, ipFwNumber, 1, {1}},
+ {IPFORWARDDEST, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 1}},
+ {IPFORWARDMASK, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 2}},
+ {IPFORWARDPOLICY, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 3}},
+ {IPFORWARDNEXTHOP, IPADDRESS, RONLY, ipFwTable, 3, {2, 1, 4}},
+ {IPFORWARDIFINDEX, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 5}},
+ {IPFORWARDTYPE, ENUMERATION, RONLY, ipFwTable, 3, {2, 1, 6}},
+ {IPFORWARDPROTO, ENUMERATION, RONLY, ipFwTable, 3, {2, 1, 7}},
+ {IPFORWARDAGE, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 8}},
+ {IPFORWARDINFO, OBJECTIDENTIFIER, RONLY, ipFwTable, 3, {2, 1, 9}},
+ {IPFORWARDNEXTHOPAS, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 10}},
+ {IPFORWARDMETRIC1, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 11}},
+ {IPFORWARDMETRIC2, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 12}},
+ {IPFORWARDMETRIC3, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 13}},
+ {IPFORWARDMETRIC4, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 14}},
+ {IPFORWARDMETRIC5, INTEGER32, RONLY, ipFwTable, 3, {2, 1, 15}},
+ {0, GAUGE32, RONLY, ipCidrNumber, 1, {3}},
+ {IPCIDRROUTEDEST, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 1}},
+ {IPCIDRROUTEMASK, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 2}},
+ {IPCIDRROUTETOS, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 3}},
+ {IPCIDRROUTENEXTHOP, IPADDRESS, RONLY, ipCidrTable, 3, {4, 1, 4}},
+ {IPCIDRROUTEIFINDEX, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 5}},
+ {IPCIDRROUTETYPE, ENUMERATION, RONLY, ipCidrTable, 3, {4, 1, 6}},
+ {IPCIDRROUTEPROTO, ENUMERATION, RONLY, ipCidrTable, 3, {4, 1, 7}},
+ {IPCIDRROUTEAGE, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 8}},
+ {IPCIDRROUTEINFO, OBJECTIDENTIFIER, RONLY, ipCidrTable, 3, {4, 1, 9}},
+ {IPCIDRROUTENEXTHOPAS, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 10}},
+ {IPCIDRROUTEMETRIC1, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 11}},
+ {IPCIDRROUTEMETRIC2, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 12}},
+ {IPCIDRROUTEMETRIC3, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 13}},
+ {IPCIDRROUTEMETRIC4, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 14}},
+ {IPCIDRROUTEMETRIC5, INTEGER32, RONLY, ipCidrTable, 3, {4, 1, 15}},
+ {IPCIDRROUTESTATUS, ROWSTATUS, RONLY, ipCidrTable, 3, {4, 1, 16}}
+ };
u_char *
@@ -132,16 +135,21 @@ ipFwNumber (struct variable *v, oid objid[], size_t *objid_len,
int exact, size_t *val_len, WriteMethod **write_method)
{
static int result;
- struct route_node *np;
+ struct route_table *table;
+ struct route_node *rn;
struct rib *rib;
if (smux_header_generic(v, objid, objid_len, exact, val_len, write_method) == MATCH_FAILED)
return NULL;
+ table = vrf_table (AFI_IP, SAFI_UNICAST, 0);
+ if (! table)
+ return NULL;
+
/* Return number of routing entries. */
result = 0;
- for (np = route_top (rib_table_ipv4); np; np = route_next (np))
- for (rib = np->info; rib; rib = rib->next)
+ for (rn = route_top (table); rn; rn = route_next (rn))
+ for (rib = rn->info; rib; rib = rib->next)
result++;
return (u_char *)&result;
@@ -149,19 +157,24 @@ ipFwNumber (struct variable *v, oid objid[], size_t *objid_len,
u_char *
ipCidrNumber (struct variable *v, oid objid[], size_t *objid_len,
- int exact, size_t *val_len, WriteMethod **write_method)
+ int exact, size_t *val_len, WriteMethod **write_method)
{
static int result;
- struct route_node *np;
+ struct route_table *table;
+ struct route_node *rn;
struct rib *rib;
if (smux_header_generic(v, objid, objid_len, exact, val_len, write_method) == MATCH_FAILED)
return NULL;
+ table = vrf_table (AFI_IP, SAFI_UNICAST, 0);
+ if (! table)
+ return 0;
+
/* Return number of routing entries. */
result = 0;
- for (np = route_top (rib_table_ipv4); np; np = route_next (np))
- for (rib = np->info; rib; rib = rib->next)
+ for (rn = route_top (table); rn; rn = route_next (rn))
+ for (rib = rn->info; rib; rib = rib->next)
result++;
return (u_char *)&result;
@@ -193,16 +206,16 @@ in_addr_add(u_char *p, int num)
for (i = 3; 0 <= i; i--) {
p--;
if (*p + num > 255) {
- *p += num;
- num = 1;
+ *p += num;
+ num = 1;
} else {
- *p += num;
- return 1;
+ *p += num;
+ return 1;
}
}
if (ip0 > *p) {
- /* ip + num > 0xffffffff */
- return 0;
+ /* ip + num > 0xffffffff */
+ return 0;
}
return 1;
@@ -212,26 +225,26 @@ int proto_trans(int type)
{
switch (type)
{
- case ZEBRA_ROUTE_SYSTEM:
- return 1; /* other */
- case ZEBRA_ROUTE_KERNEL:
- return 1; /* other */
- case ZEBRA_ROUTE_CONNECT:
- return 2; /* local interface */
- case ZEBRA_ROUTE_STATIC:
- return 3; /* static route */
- case ZEBRA_ROUTE_RIP:
- return 8; /* rip */
- case ZEBRA_ROUTE_RIPNG:
- return 1; /* shouldn't happen */
- case ZEBRA_ROUTE_OSPF:
- return 13; /* ospf */
- case ZEBRA_ROUTE_OSPF6:
- return 1; /* shouldn't happen */
- case ZEBRA_ROUTE_BGP:
- return 14; /* bgp */
- default:
- return 1; /* other */
+ case ZEBRA_ROUTE_SYSTEM:
+ return 1; /* other */
+ case ZEBRA_ROUTE_KERNEL:
+ return 1; /* other */
+ case ZEBRA_ROUTE_CONNECT:
+ return 2; /* local interface */
+ case ZEBRA_ROUTE_STATIC:
+ return 3; /* static route */
+ case ZEBRA_ROUTE_RIP:
+ return 8; /* rip */
+ case ZEBRA_ROUTE_RIPNG:
+ return 1; /* shouldn't happen */
+ case ZEBRA_ROUTE_OSPF:
+ return 13; /* ospf */
+ case ZEBRA_ROUTE_OSPF6:
+ return 1; /* shouldn't happen */
+ case ZEBRA_ROUTE_BGP:
+ return 14; /* bgp */
+ default:
+ return 1; /* other */
}
}
@@ -283,6 +296,7 @@ get_fwtable_route_node(struct variable *v, oid objid[], size_t *objid_len,
int exact, struct route_node **np, struct rib **rib)
{
struct in_addr dest;
+ struct route_table *table;
struct route_node *np2;
struct rib *rib2;
int proto;
@@ -291,7 +305,7 @@ get_fwtable_route_node(struct variable *v, oid objid[], size_t *objid_len,
u_char *pnt;
int i;
-/* Init index variables */
+ /* Init index variables */
pnt = (u_char *) &dest;
for (i = 0; i < 4; i++)
@@ -304,19 +318,23 @@ get_fwtable_route_node(struct variable *v, oid objid[], size_t *objid_len,
proto = 0;
policy = 0;
-/* Init return variables */
+ /* Init return variables */
*np = NULL;
*rib = NULL;
-/* Short circuit exact matches of wrong length */
+ /* Short circuit exact matches of wrong length */
if (exact && (*objid_len != v->namelen + 10))
return;
-/* Get INDEX information out of OID.
- * ipForwardDest, ipForwardProto, ipForwardPolicy, ipForwardNextHop
- */
+ table = vrf_table (AFI_IP, SAFI_UNICAST, 0);
+ if (! table)
+ return;
+
+ /* Get INDEX information out of OID.
+ * ipForwardDest, ipForwardProto, ipForwardPolicy, ipForwardNextHop
+ */
if (*objid_len > v->namelen)
oid2in_addr (objid + v->namelen, MIN(4, *objid_len - v->namelen), &dest);
@@ -329,7 +347,7 @@ get_fwtable_route_node(struct variable *v, oid objid[], size_t *objid_len,
if (*objid_len > v->namelen + 6)
oid2in_addr (objid + v->namelen + 6, MIN(4, *objid_len - v->namelen - 6),
- &nexthop);
+ &nexthop);
/* Apply GETNEXT on not exact search */
@@ -345,14 +363,14 @@ get_fwtable_route_node(struct variable *v, oid objid[], size_t *objid_len,
{
if (policy) /* Not supported (yet?) */
return;
- for (*np = route_top (rib_table_ipv4); *np; *np = route_next (*np))
+ for (*np = route_top (table); *np; *np = route_next (*np))
{
if (!in_addr_cmp(&(*np)->p.u.prefix, (u_char *)&dest))
{
for (*rib = (*np)->info; *rib; *rib = (*rib)->next)
{
if (!in_addr_cmp((u_char *)&(*rib)->nexthop->gate.ipv4,
- (u_char *)&nexthop))
+ (u_char *)&nexthop))
if (proto == proto_trans((*rib)->type))
return;
}
@@ -361,9 +379,9 @@ get_fwtable_route_node(struct variable *v, oid objid[], size_t *objid_len,
return;
}
-/* Search next best entry */
+ /* Search next best entry */
- for (np2 = route_top (rib_table_ipv4); np2; np2 = route_next (np2))
+ for (np2 = route_top (table); np2; np2 = route_next (np2))
{
/* Check destination first */
@@ -527,7 +545,7 @@ ipFwTable (struct variable *v, oid objid[], size_t *objid_len,
u_char *
ipCidrTable (struct variable *v, oid objid[], size_t *objid_len,
- int exact, size_t *val_len, WriteMethod **write_method)
+ int exact, size_t *val_len, WriteMethod **write_method)
{
switch (v->magic)
{
generated by cgit v1.2.1 (git 2.18.0) at 2025-10-31 04:42:49 +0000