diff options
Diffstat (limited to 'zebra/zebra_snmp.c')
| -rw-r--r-- | zebra/zebra_snmp.c | 881 |
1 files changed, 434 insertions, 447 deletions
diff --git a/zebra/zebra_snmp.c b/zebra/zebra_snmp.c index 8adb8873dc..2c59d2e07b 100644 --- a/zebra/zebra_snmp.c +++ b/zebra/zebra_snmp.c @@ -16,7 +16,7 @@ * You should have received a copy of the GNU General Public License * along with GNU Zebra; see the file COPYING. If not, write to the Free * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. + * 02111-1307, USA. */ /* @@ -87,510 +87,497 @@ #define IPADDRESS ASN_IPADDRESS #define OBJECTIDENTIFIER ASN_OBJECT_ID -static oid ipfw_oid [] = { IPFWMIB }; +static oid ipfw_oid[] = {IPFWMIB}; /* Hook functions. */ -static u_char * ipFwNumber (struct variable *, oid [], size_t *, - int, size_t *, WriteMethod **); -static u_char * ipFwTable (struct variable *, oid [], size_t *, - int, size_t *, WriteMethod **); -static u_char * ipCidrNumber (struct variable *, oid [], size_t *, - int, size_t *, WriteMethod **); -static u_char * ipCidrTable (struct variable *, oid [], size_t *, - int, size_t *, WriteMethod **); - -static 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}} - }; - - -static u_char * -ipFwNumber (struct variable *v, oid objid[], size_t *objid_len, - int exact, size_t *val_len, WriteMethod **write_method) +static u_char *ipFwNumber(struct variable *, oid[], size_t *, int, size_t *, + WriteMethod **); +static u_char *ipFwTable(struct variable *, oid[], size_t *, int, size_t *, + WriteMethod **); +static u_char *ipCidrNumber(struct variable *, oid[], size_t *, int, size_t *, + WriteMethod **); +static u_char *ipCidrTable(struct variable *, oid[], size_t *, int, size_t *, + WriteMethod **); + +static 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}}}; + + +static u_char *ipFwNumber(struct variable *v, oid objid[], size_t *objid_len, + int exact, size_t *val_len, + WriteMethod **write_method) { - static int result; - 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 = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT); - if (! table) - return NULL; - - /* Return number of routing entries. */ - result = 0; - for (rn = route_top (table); rn; rn = route_next (rn)) - RNODE_FOREACH_RIB (rn, rib) - result++; - - return (u_char *)&result; + static int result; + 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 = zebra_vrf_table(AFI_IP, SAFI_UNICAST, VRF_DEFAULT); + if (!table) + return NULL; + + /* Return number of routing entries. */ + result = 0; + for (rn = route_top(table); rn; rn = route_next(rn)) + RNODE_FOREACH_RIB(rn, rib) + result++; + + return (u_char *)&result; } -static u_char * -ipCidrNumber (struct variable *v, oid objid[], size_t *objid_len, - int exact, size_t *val_len, WriteMethod **write_method) +static u_char *ipCidrNumber(struct variable *v, oid objid[], size_t *objid_len, + int exact, size_t *val_len, + WriteMethod **write_method) { - static int result; - 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 = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT); - if (! table) - return 0; - - /* Return number of routing entries. */ - result = 0; - for (rn = route_top (table); rn; rn = route_next (rn)) - RNODE_FOREACH_RIB (rn, rib) - result++; - - return (u_char *)&result; + static int result; + 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 = zebra_vrf_table(AFI_IP, SAFI_UNICAST, VRF_DEFAULT); + if (!table) + return 0; + + /* Return number of routing entries. */ + result = 0; + for (rn = route_top(table); rn; rn = route_next(rn)) + RNODE_FOREACH_RIB(rn, rib) + result++; + + return (u_char *)&result; } -static int -in_addr_cmp(u_char *p1, u_char *p2) +static int in_addr_cmp(u_char *p1, u_char *p2) { - int i; - - for (i=0; i<4; i++) - { - if (*p1 < *p2) - return -1; - if (*p1 > *p2) - return 1; - p1++; p2++; - } - return 0; + int i; + + for (i = 0; i < 4; i++) { + if (*p1 < *p2) + return -1; + if (*p1 > *p2) + return 1; + p1++; + p2++; + } + return 0; } -static int -in_addr_add(u_char *p, int num) +static int in_addr_add(u_char *p, int num) { - int i, ip0; - - ip0 = *p; - p += 4; - for (i = 3; 0 <= i; i--) { - p--; - if (*p + num > 255) { - *p += num; - num = 1; - } else { - *p += num; - return 1; - } - } - if (ip0 > *p) { - /* ip + num > 0xffffffff */ - return 0; - } - - return 1; -} + int i, ip0; + + ip0 = *p; + p += 4; + for (i = 3; 0 <= i; i--) { + p--; + if (*p + num > 255) { + *p += num; + num = 1; + } else { + *p += num; + return 1; + } + } + if (ip0 > *p) { + /* ip + num > 0xffffffff */ + return 0; + } -static 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 */ - } + return 1; } -static void -check_replace(struct route_node *np2, struct rib *rib2, - struct route_node **np, struct rib **rib) +static int proto_trans(int type) { - int proto, proto2; - - if (!*np) - { - *np = np2; - *rib = rib2; - return; - } - - if (in_addr_cmp(&(*np)->p.u.prefix, &np2->p.u.prefix) < 0) - return; - if (in_addr_cmp(&(*np)->p.u.prefix, &np2->p.u.prefix) > 0) - { - *np = np2; - *rib = rib2; - return; - } - - proto = proto_trans((*rib)->type); - proto2 = proto_trans(rib2->type); - - if (proto2 > proto) - return; - if (proto2 < proto) - { - *np = np2; - *rib = rib2; - return; - } - - if (in_addr_cmp((u_char *)&(*rib)->nexthop->gate.ipv4, - (u_char *)&rib2->nexthop->gate.ipv4) <= 0) - return; - - *np = np2; - *rib = rib2; - return; + 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 */ + } } -static void -get_fwtable_route_node(struct variable *v, oid objid[], size_t *objid_len, - int exact, struct route_node **np, struct rib **rib) +static void check_replace(struct route_node *np2, struct rib *rib2, + struct route_node **np, struct rib **rib) { - struct in_addr dest; - struct route_table *table; - struct route_node *np2; - struct rib *rib2; - int proto; - int policy; - struct in_addr nexthop; - u_char *pnt; - int i; + int proto, proto2; - /* Init index variables */ + if (!*np) { + *np = np2; + *rib = rib2; + return; + } - pnt = (u_char *) &dest; - for (i = 0; i < 4; i++) - *pnt++ = 0; + if (in_addr_cmp(&(*np)->p.u.prefix, &np2->p.u.prefix) < 0) + return; + if (in_addr_cmp(&(*np)->p.u.prefix, &np2->p.u.prefix) > 0) { + *np = np2; + *rib = rib2; + return; + } - pnt = (u_char *) &nexthop; - for (i = 0; i < 4; i++) - *pnt++ = 0; + proto = proto_trans((*rib)->type); + proto2 = proto_trans(rib2->type); - proto = 0; - policy = 0; - - /* Init return variables */ + if (proto2 > proto) + return; + if (proto2 < proto) { + *np = np2; + *rib = rib2; + return; + } - *np = NULL; - *rib = NULL; + if (in_addr_cmp((u_char *)&(*rib)->nexthop->gate.ipv4, + (u_char *)&rib2->nexthop->gate.ipv4) + <= 0) + return; - /* Short circuit exact matches of wrong length */ + *np = np2; + *rib = rib2; + return; +} - if (exact && (*objid_len != (unsigned) v->namelen + 10)) - return; +static void 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; + int policy; + struct in_addr nexthop; + u_char *pnt; + int i; + + /* Init index variables */ + + pnt = (u_char *)&dest; + for (i = 0; i < 4; i++) + *pnt++ = 0; - table = zebra_vrf_table (AFI_IP, SAFI_UNICAST, VRF_DEFAULT); - if (! table) - return; + pnt = (u_char *)&nexthop; + for (i = 0; i < 4; i++) + *pnt++ = 0; - /* Get INDEX information out of OID. - * ipForwardDest, ipForwardProto, ipForwardPolicy, ipForwardNextHop - */ + proto = 0; + policy = 0; - if (*objid_len > (unsigned) v->namelen) - oid2in_addr (objid + v->namelen, MIN(4U, *objid_len - v->namelen), &dest); + /* Init return variables */ - if (*objid_len > (unsigned) v->namelen + 4) - proto = objid[v->namelen + 4]; + *np = NULL; + *rib = NULL; - if (*objid_len > (unsigned) v->namelen + 5) - policy = objid[v->namelen + 5]; + /* Short circuit exact matches of wrong length */ - if (*objid_len > (unsigned) v->namelen + 6) - oid2in_addr (objid + v->namelen + 6, MIN(4U, *objid_len - v->namelen - 6), - &nexthop); + if (exact && (*objid_len != (unsigned)v->namelen + 10)) + return; - /* Apply GETNEXT on not exact search */ + table = zebra_vrf_table(AFI_IP, SAFI_UNICAST, VRF_DEFAULT); + if (!table) + return; - if (!exact && (*objid_len >= (unsigned) v->namelen + 10)) - { - if (! in_addr_add((u_char *) &nexthop, 1)) - return; - } + /* Get INDEX information out of OID. + * ipForwardDest, ipForwardProto, ipForwardPolicy, ipForwardNextHop + */ - /* For exact: search matching entry in rib table. */ + if (*objid_len > (unsigned)v->namelen) + oid2in_addr(objid + v->namelen, + MIN(4U, *objid_len - v->namelen), &dest); - if (exact) - { - if (policy) /* Not supported (yet?) */ - return; - for (*np = route_top (table); *np; *np = route_next (*np)) - { - if (!in_addr_cmp(&(*np)->p.u.prefix, (u_char *)&dest)) - { - RNODE_FOREACH_RIB (*np, *rib) - { - if (!in_addr_cmp((u_char *)&(*rib)->nexthop->gate.ipv4, - (u_char *)&nexthop)) - if (proto == proto_trans((*rib)->type)) - return; + if (*objid_len > (unsigned)v->namelen + 4) + proto = objid[v->namelen + 4]; + + if (*objid_len > (unsigned)v->namelen + 5) + policy = objid[v->namelen + 5]; + + if (*objid_len > (unsigned)v->namelen + 6) + oid2in_addr(objid + v->namelen + 6, + MIN(4U, *objid_len - v->namelen - 6), &nexthop); + + /* Apply GETNEXT on not exact search */ + + if (!exact && (*objid_len >= (unsigned)v->namelen + 10)) { + if (!in_addr_add((u_char *)&nexthop, 1)) + return; + } + + /* For exact: search matching entry in rib table. */ + + if (exact) { + if (policy) /* Not supported (yet?) */ + return; + for (*np = route_top(table); *np; *np = route_next(*np)) { + if (!in_addr_cmp(&(*np)->p.u.prefix, (u_char *)&dest)) { + RNODE_FOREACH_RIB(*np, *rib) + { + if (!in_addr_cmp((u_char *)&(*rib) + ->nexthop->gate + .ipv4, + (u_char *)&nexthop)) + if (proto + == proto_trans( + (*rib)->type)) + return; + } + } } - } + return; } - return; - } - - /* Search next best entry */ - - for (np2 = route_top (table); np2; np2 = route_next (np2)) - { - - /* Check destination first */ - if (in_addr_cmp(&np2->p.u.prefix, (u_char *)&dest) > 0) - RNODE_FOREACH_RIB (np2, rib2) - check_replace(np2, rib2, np, rib); - - if (in_addr_cmp(&np2->p.u.prefix, (u_char *)&dest) == 0) - { /* have to look at each rib individually */ - RNODE_FOREACH_RIB (np2, rib2) - { - int proto2, policy2; - - proto2 = proto_trans(rib2->type); - policy2 = 0; - - if ((policy < policy2) - || ((policy == policy2) && (proto < proto2)) - || ((policy == policy2) && (proto == proto2) - && (in_addr_cmp((u_char *)&rib2->nexthop->gate.ipv4, - (u_char *) &nexthop) >= 0) - )) + + /* Search next best entry */ + + for (np2 = route_top(table); np2; np2 = route_next(np2)) { + + /* Check destination first */ + if (in_addr_cmp(&np2->p.u.prefix, (u_char *)&dest) > 0) + RNODE_FOREACH_RIB(np2, rib2) check_replace(np2, rib2, np, rib); - } + + if (in_addr_cmp(&np2->p.u.prefix, (u_char *)&dest) + == 0) { /* have to look at each rib individually */ + RNODE_FOREACH_RIB(np2, rib2) + { + int proto2, policy2; + + proto2 = proto_trans(rib2->type); + policy2 = 0; + + if ((policy < policy2) + || ((policy == policy2) && (proto < proto2)) + || ((policy == policy2) && (proto == proto2) + && (in_addr_cmp((u_char *)&rib2->nexthop + ->gate.ipv4, + (u_char *)&nexthop) + >= 0))) + check_replace(np2, rib2, np, rib); + } + } } - } - if (!*rib) - return; + if (!*rib) + return; - policy = 0; - proto = proto_trans((*rib)->type); + policy = 0; + proto = proto_trans((*rib)->type); - *objid_len = v->namelen + 10; - pnt = (u_char *) &(*np)->p.u.prefix; - for (i = 0; i < 4; i++) - objid[v->namelen + i] = *pnt++; + *objid_len = v->namelen + 10; + pnt = (u_char *)&(*np)->p.u.prefix; + for (i = 0; i < 4; i++) + objid[v->namelen + i] = *pnt++; - objid[v->namelen + 4] = proto; - objid[v->namelen + 5] = policy; + objid[v->namelen + 4] = proto; + objid[v->namelen + 5] = policy; - { - struct nexthop *nexthop; + { + struct nexthop *nexthop; - nexthop = (*rib)->nexthop; - if (nexthop) - { - pnt = (u_char *) &nexthop->gate.ipv4; - for (i = 0; i < 4; i++) - objid[i + v->namelen + 6] = *pnt++; - } - } + nexthop = (*rib)->nexthop; + if (nexthop) { + pnt = (u_char *)&nexthop->gate.ipv4; + for (i = 0; i < 4; i++) + objid[i + v->namelen + 6] = *pnt++; + } + } - return; + return; } -static u_char * -ipFwTable (struct variable *v, oid objid[], size_t *objid_len, - int exact, size_t *val_len, WriteMethod **write_method) +static u_char *ipFwTable(struct variable *v, oid objid[], size_t *objid_len, + int exact, size_t *val_len, WriteMethod **write_method) { - struct route_node *np; - struct rib *rib; - static int result; - static int resarr[2]; - static struct in_addr netmask; - struct nexthop *nexthop; - - if (smux_header_table(v, objid, objid_len, exact, val_len, write_method) - == MATCH_FAILED) - return NULL; - - get_fwtable_route_node(v, objid, objid_len, exact, &np, &rib); - if (!np) - return NULL; - - nexthop = rib->nexthop; - if (! nexthop) - return NULL; - - switch (v->magic) - { - case IPFORWARDDEST: - *val_len = 4; - return &np->p.u.prefix; - break; - case IPFORWARDMASK: - masklen2ip(np->p.prefixlen, &netmask); - *val_len = 4; - return (u_char *)&netmask; - break; - case IPFORWARDPOLICY: - result = 0; - *val_len = sizeof(int); - return (u_char *)&result; - break; - case IPFORWARDNEXTHOP: - *val_len = 4; - return (u_char *)&nexthop->gate.ipv4; - break; - case IPFORWARDIFINDEX: - *val_len = sizeof(int); - return (u_char *)&nexthop->ifindex; - break; - case IPFORWARDTYPE: - if (nexthop->type == NEXTHOP_TYPE_IFINDEX) - result = 3; - else - result = 4; - *val_len = sizeof(int); - return (u_char *)&result; - break; - case IPFORWARDPROTO: - result = proto_trans(rib->type); - *val_len = sizeof(int); - return (u_char *)&result; - break; - case IPFORWARDAGE: - result = 0; - *val_len = sizeof(int); - return (u_char *)&result; - break; - case IPFORWARDINFO: - resarr[0] = 0; - resarr[1] = 0; - *val_len = 2 * sizeof(int); - return (u_char *)resarr; - break; - case IPFORWARDNEXTHOPAS: - result = -1; - *val_len = sizeof(int); - return (u_char *)&result; - break; - case IPFORWARDMETRIC1: - result = 0; - *val_len = sizeof(int); - return (u_char *)&result; - break; - case IPFORWARDMETRIC2: - result = 0; - *val_len = sizeof(int); - return (u_char *)&result; - break; - case IPFORWARDMETRIC3: - result = 0; - *val_len = sizeof(int); - return (u_char *)&result; - break; - case IPFORWARDMETRIC4: - result = 0; - *val_len = sizeof(int); - return (u_char *)&result; - break; - case IPFORWARDMETRIC5: - result = 0; - *val_len = sizeof(int); - return (u_char *)&result; - break; - default: - return NULL; - break; - } - return NULL; + struct route_node *np; + struct rib *rib; + static int result; + static int resarr[2]; + static struct in_addr netmask; + struct nexthop *nexthop; + + if (smux_header_table(v, objid, objid_len, exact, val_len, write_method) + == MATCH_FAILED) + return NULL; + + get_fwtable_route_node(v, objid, objid_len, exact, &np, &rib); + if (!np) + return NULL; + + nexthop = rib->nexthop; + if (!nexthop) + return NULL; + + switch (v->magic) { + case IPFORWARDDEST: + *val_len = 4; + return &np->p.u.prefix; + break; + case IPFORWARDMASK: + masklen2ip(np->p.prefixlen, &netmask); + *val_len = 4; + return (u_char *)&netmask; + break; + case IPFORWARDPOLICY: + result = 0; + *val_len = sizeof(int); + return (u_char *)&result; + break; + case IPFORWARDNEXTHOP: + *val_len = 4; + return (u_char *)&nexthop->gate.ipv4; + break; + case IPFORWARDIFINDEX: + *val_len = sizeof(int); + return (u_char *)&nexthop->ifindex; + break; + case IPFORWARDTYPE: + if (nexthop->type == NEXTHOP_TYPE_IFINDEX) + result = 3; + else + result = 4; + *val_len = sizeof(int); + return (u_char *)&result; + break; + case IPFORWARDPROTO: + result = proto_trans(rib->type); + *val_len = sizeof(int); + return (u_char *)&result; + break; + case IPFORWARDAGE: + result = 0; + *val_len = sizeof(int); + return (u_char *)&result; + break; + case IPFORWARDINFO: + resarr[0] = 0; + resarr[1] = 0; + *val_len = 2 * sizeof(int); + return (u_char *)resarr; + break; + case IPFORWARDNEXTHOPAS: + result = -1; + *val_len = sizeof(int); + return (u_char *)&result; + break; + case IPFORWARDMETRIC1: + result = 0; + *val_len = sizeof(int); + return (u_char *)&result; + break; + case IPFORWARDMETRIC2: + result = 0; + *val_len = sizeof(int); + return (u_char *)&result; + break; + case IPFORWARDMETRIC3: + result = 0; + *val_len = sizeof(int); + return (u_char *)&result; + break; + case IPFORWARDMETRIC4: + result = 0; + *val_len = sizeof(int); + return (u_char *)&result; + break; + case IPFORWARDMETRIC5: + result = 0; + *val_len = sizeof(int); + return (u_char *)&result; + break; + default: + return NULL; + break; + } + return NULL; } -static u_char * -ipCidrTable (struct variable *v, oid objid[], size_t *objid_len, - int exact, size_t *val_len, WriteMethod **write_method) +static u_char *ipCidrTable(struct variable *v, oid objid[], size_t *objid_len, + int exact, size_t *val_len, + WriteMethod **write_method) { - if (smux_header_table(v, objid, objid_len, exact, val_len, write_method) - == MATCH_FAILED) - return NULL; - - switch (v->magic) - { - case IPCIDRROUTEDEST: - break; - default: - return NULL; - break; - } - return NULL; + if (smux_header_table(v, objid, objid_len, exact, val_len, write_method) + == MATCH_FAILED) + return NULL; + + switch (v->magic) { + case IPCIDRROUTEDEST: + break; + default: + return NULL; + break; + } + return NULL; } -static int -zebra_snmp_init (struct thread_master *tm) +static int zebra_snmp_init(struct thread_master *tm) { - smux_init (tm); - REGISTER_MIB("mibII/ipforward", zebra_variables, variable, ipfw_oid); - return 0; + smux_init(tm); + REGISTER_MIB("mibII/ipforward", zebra_variables, variable, ipfw_oid); + return 0; } -static int -zebra_snmp_module_init (void) +static int zebra_snmp_module_init(void) { - hook_register(frr_late_init, zebra_snmp_init); - return 0; + hook_register(frr_late_init, zebra_snmp_init); + return 0; } -FRR_MODULE_SETUP( - .name = "zebra_snmp", - .version = FRR_VERSION, - .description = "zebra AgentX SNMP module", - .init = zebra_snmp_module_init, -) +FRR_MODULE_SETUP(.name = "zebra_snmp", .version = FRR_VERSION, + .description = "zebra AgentX SNMP module", + .init = zebra_snmp_module_init, ) |