diff options
Diffstat (limited to 'zebra/rtread_getmsg.c')
| -rw-r--r-- | zebra/rtread_getmsg.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/zebra/rtread_getmsg.c b/zebra/rtread_getmsg.c deleted file mode 100644 index 0a1fb82d95..0000000000 --- a/zebra/rtread_getmsg.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - * Kernel routing table readup by getmsg(2) - * Copyright (C) 1999 Michael Handler - * - * This file is part of GNU Zebra. - * - * GNU Zebra is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * GNU Zebra is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; see the file COPYING; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <zebra.h> - -#ifdef SUNOS_5 - -#include "prefix.h" -#include "log.h" -#include "if.h" -#include "vrf.h" -#include "vty.h" -#include "lib_errors.h" - -#include "zebra/rib.h" -#include "zebra/rt.h" -#include "zebra/zebra_pbr.h" -#include "zebra/zebra_errors.h" - -/* Thank you, Solaris, for polluting application symbol namespace. */ -#undef hook_register -#undef hook_unregister - -#include <sys/stream.h> -#include <sys/tihdr.h> - -/* Solaris defines these in both <netinet/in.h> and <inet/in.h>, sigh */ -#ifdef SUNOS_5 -#include <sys/tiuser.h> -#ifndef T_CURRENT -#define T_CURRENT MI_T_CURRENT -#endif /* T_CURRENT */ -#ifndef IRE_CACHE -#define IRE_CACHE 0x0020 /* Cached Route entry */ -#endif /* IRE_CACHE */ -#ifndef IRE_HOST_REDIRECT -#define IRE_HOST_REDIRECT 0x0200 /* Host route entry from redirects */ -#endif /* IRE_HOST_REDIRECT */ -#ifndef IRE_CACHETABLE -#define IRE_CACHETABLE (IRE_CACHE | IRE_BROADCAST | IRE_LOCAL | IRE_LOOPBACK) -#endif /* IRE_CACHETABLE */ -#undef IPOPT_EOL -#undef IPOPT_NOP -#undef IPOPT_LSRR -#undef IPOPT_RR -#undef IPOPT_SSRR -#endif /* SUNOS_5 */ - -#include <inet/common.h> -#include <inet/ip.h> -#include <inet/mib2.h> - -/* device to read IP routing table from */ -#ifndef _PATH_GETMSG_ROUTE -#define _PATH_GETMSG_ROUTE "/dev/ip" -#endif /* _PATH_GETMSG_ROUTE */ - -#define RT_BUFSIZ 8192 - -static void handle_route_entry(mib2_ipRouteEntry_t *routeEntry) -{ - struct prefix prefix; - struct in_addr tmpaddr; - struct nexthop nh; - uint8_t zebra_flags = 0; - - if (routeEntry->ipRouteInfo.re_ire_type & IRE_CACHETABLE) - return; - - if (routeEntry->ipRouteInfo.re_ire_type & IRE_HOST_REDIRECT) - zebra_flags |= ZEBRA_FLAG_SELFROUTE; - - prefix.family = AF_INET; - - tmpaddr.s_addr = routeEntry->ipRouteDest; - prefix.u.prefix4 = tmpaddr; - - tmpaddr.s_addr = routeEntry->ipRouteMask; - prefix.prefixlen = ip_masklen(tmpaddr); - - memset(&nh, 0, sizeof(nh)); - nh.vrf_id = VRF_DEFAULT; - nh.type = NEXTHOP_TYPE_IPV4; - nh.gate.ipv4.s_addr = routeEntry->ipRouteNextHop; - - rib_add(AFI_IP, SAFI_UNICAST, VRF_DEFAULT, ZEBRA_ROUTE_KERNEL, 0, - zebra_flags, &prefix, NULL, &nh, 0, 0, 0, 0, 0, 0); -} - -void route_read(struct zebra_ns *zns) -{ - char storage[RT_BUFSIZ]; - - struct T_optmgmt_req *TLIreq = (struct T_optmgmt_req *)storage; - struct T_optmgmt_ack *TLIack = (struct T_optmgmt_ack *)storage; - struct T_error_ack *TLIerr = (struct T_error_ack *)storage; - - struct opthdr *MIB2hdr; - - mib2_ipRouteEntry_t *routeEntry, *lastRouteEntry; - - struct strbuf msgdata; - int flags, dev, retval, process; - - if ((dev = open(_PATH_GETMSG_ROUTE, O_RDWR)) == -1) { - flog_err_sys(EC_LIB_SYSTEM_CALL, "can't open %s: %s", - _PATH_GETMSG_ROUTE, safe_strerror(errno)); - return; - } - - TLIreq->PRIM_type = T_OPTMGMT_REQ; - TLIreq->OPT_offset = sizeof(struct T_optmgmt_req); - TLIreq->OPT_length = sizeof(struct opthdr); - TLIreq->MGMT_flags = T_CURRENT; - - MIB2hdr = (struct opthdr *)&TLIreq[1]; - - MIB2hdr->level = MIB2_IP; - MIB2hdr->name = 0; - MIB2hdr->len = 0; - - msgdata.buf = storage; - msgdata.len = sizeof(struct T_optmgmt_req) + sizeof(struct opthdr); - - flags = 0; - - if (putmsg(dev, &msgdata, NULL, flags) == -1) { - flog_err_sys(EC_LIB_SOCKET, "putmsg failed: %s", - safe_strerror(errno)); - goto exit; - } - - MIB2hdr = (struct opthdr *)&TLIack[1]; - msgdata.maxlen = sizeof(storage); - - while (1) { - flags = 0; - retval = getmsg(dev, &msgdata, NULL, &flags); - - if (retval == -1) { - flog_err_sys(EC_LIB_SYSTEM_CALL, - "getmsg(ctl) failed: %s", - safe_strerror(errno)); - goto exit; - } - - /* This is normal loop termination */ - if (retval == 0 - && (size_t)msgdata.len >= sizeof(struct T_optmgmt_ack) - && TLIack->PRIM_type == T_OPTMGMT_ACK - && TLIack->MGMT_flags == T_SUCCESS && MIB2hdr->len == 0) - break; - - if ((size_t)msgdata.len >= sizeof(struct T_error_ack) - && TLIerr->PRIM_type == T_ERROR_ACK) { - zlog_debug("getmsg(ctl) returned T_ERROR_ACK: %s", - safe_strerror((TLIerr->TLI_error == TSYSERR) - ? TLIerr->UNIX_error - : EPROTO)); - break; - } - - /* should dump more debugging info to the log statement, - like what GateD does in this instance, but not - critical yet. */ - if (retval != MOREDATA - || (size_t)msgdata.len < sizeof(struct T_optmgmt_ack) - || TLIack->PRIM_type != T_OPTMGMT_ACK - || TLIack->MGMT_flags != T_SUCCESS) { - errno = ENOMSG; - zlog_debug("getmsg(ctl) returned bizarreness"); - break; - } - - /* MIB2_IP_21 is the the pseudo-MIB2 ipRouteTable - entry, see <inet/mib2.h>. "This isn't the MIB data - you're looking for." */ - process = (MIB2hdr->level == MIB2_IP - && MIB2hdr->name == MIB2_IP_21) - ? 1 - : 0; - - /* getmsg writes the data buffer out completely, not - to the closest smaller multiple. Unless reassembling - data structures across buffer boundaries is your idea - of a good time, set maxlen to the closest smaller - multiple of the size of the datastructure you're - retrieving. */ - msgdata.maxlen = - sizeof(storage) - - (sizeof(storage) % sizeof(mib2_ipRouteEntry_t)); - - msgdata.len = 0; - flags = 0; - - do { - retval = getmsg(dev, NULL, &msgdata, &flags); - - if (retval == -1) { - flog_err_sys(EC_LIB_SYSTEM_CALL, - "getmsg(data) failed: %s", - safe_strerror(errno)); - goto exit; - } - - if (!(retval == 0 || retval == MOREDATA)) { - zlog_debug("getmsg(data) returned %d", retval); - goto exit; - } - - if (process) { - if (msgdata.len % sizeof(mib2_ipRouteEntry_t) - != 0) { - zlog_debug( - "getmsg(data) returned msgdata.len = %d (%% sizeof(mib2_ipRouteEntry_t) != 0)", - msgdata.len); - goto exit; - } - - routeEntry = (mib2_ipRouteEntry_t *)msgdata.buf; - lastRouteEntry = - (mib2_ipRouteEntry_t *)(msgdata.buf - + msgdata.len); - do { - handle_route_entry(routeEntry); - } while (++routeEntry < lastRouteEntry); - } - } while (retval == MOREDATA); - } - -exit: - close(dev); -} - -/* Only implemented for netlink method */ -void macfdb_read(struct zebra_ns *zns) -{ -} - -void macfdb_read_for_bridge(struct zebra_ns *zns, struct interface *ifp, - struct interface *br_if) -{ -} - -void macfdb_read_specific_mac(struct zebra_ns *zns, struct interface *br_if, - struct ethaddr *mac, vlanid_t vid) -{ -} - -void neigh_read(struct zebra_ns *zns) -{ -} - -void neigh_read_for_vlan(struct zebra_ns *zns, struct interface *vlan_if) -{ -} - -void neigh_read_specific_ip(struct ipaddr *ip, struct interface *vlan_if) -{ -} - -void kernel_read_pbr_rules(struct zebra_ns *zns) -{ -} - -#endif /* SUNOS_5 */ |