diff options
Diffstat (limited to 'usr/src/cmd/cmd-inet/usr.sbin/in.routed/rdisc.c')
| -rw-r--r-- | usr/src/cmd/cmd-inet/usr.sbin/in.routed/rdisc.c | 92 |
1 files changed, 90 insertions, 2 deletions
diff --git a/usr/src/cmd/cmd-inet/usr.sbin/in.routed/rdisc.c b/usr/src/cmd/cmd-inet/usr.sbin/in.routed/rdisc.c index 14d8862a36..6e572ccc41 100644 --- a/usr/src/cmd/cmd-inet/usr.sbin/in.routed/rdisc.c +++ b/usr/src/cmd/cmd-inet/usr.sbin/in.routed/rdisc.c @@ -1,5 +1,5 @@ /* - * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. * * Copyright (c) 1995 @@ -42,6 +42,8 @@ #include <netinet/in_systm.h> #include <netinet/ip.h> #include <netinet/ip_icmp.h> +#include <fcntl.h> +#include <strings.h> /* * The size of the control buffer passed to recvmsg() used to receive @@ -79,6 +81,7 @@ union ad_u { int rdisc_sock = -1; /* router-discovery raw socket */ +int rdisc_mib_sock = -1; /* AF_UNIX mib info socket */ static struct interface *rdisc_sock_interface; /* current rdisc interface */ struct timeval rdisc_timer; @@ -87,7 +90,8 @@ boolean_t rdisc_ok; /* using solicited route */ #define MAX_ADS 16 int max_ads; /* at least one per interface */ /* accumulated advertisements */ -static struct dr *cur_drp, *drs; +static struct dr *cur_drp; +struct dr *drs; /* * adjust unsigned preference by interface metric, @@ -152,6 +156,8 @@ get_rdisc_sock(void) { int on = 1; unsigned char ttl = 1; + struct sockaddr_un laddr; + int len; if (rdisc_sock < 0) { max_ads = MAX_ADS; @@ -171,6 +177,33 @@ get_rdisc_sock(void) DBGERR(_B_TRUE, "rdisc_sock setsockopt(IP_MULTICAST_TTL)"); + /* + * On Solaris also open an AF_UNIX socket to + * pass default router information to mib agent + */ + + rdisc_mib_sock = socket(AF_UNIX, SOCK_DGRAM, 0); + if (rdisc_mib_sock < 0) { + BADERR(_B_TRUE, "rdisc_mib_sock = socket()"); + } + + bzero(&laddr, sizeof (laddr)); + laddr.sun_family = AF_UNIX; + + (void) strncpy(laddr.sun_path, RDISC_SNMP_SOCKET, + sizeof (laddr.sun_path)); + len = sizeof (struct sockaddr_un); + + (void) unlink(RDISC_SNMP_SOCKET); + + if (bind(rdisc_mib_sock, (struct sockaddr *)&laddr, len) < 0) { + BADERR(_B_TRUE, "bind(rdisc_mib_sock)"); + } + + if (fcntl(rdisc_mib_sock, F_SETFL, O_NONBLOCK) < 0) { + BADERR(_B_TRUE, "rdisc_mib_sock fcntl O_NONBLOCK"); + } + fix_select(); } } @@ -1398,3 +1431,58 @@ rdisc_restore(struct interface *ifp) trace_misc("restoring rdisc adv on %s", ifp->int_name); rdisc_timer.tv_sec = 0; } + +void +process_d_mib_sock(void) +{ + + socklen_t fromlen; + struct sockaddr_un from; + ssize_t len; + int command; + struct dr *drp; + rdisc_info_t rdisc_info; + defr_t def_router; + extern int max_ads; + int num = 0; + + fromlen = (socklen_t)sizeof (from); + len = recvfrom(rdisc_mib_sock, &command, sizeof (int), 0, + (struct sockaddr *)&from, &fromlen); + + if (len < sizeof (int) || command != RDISC_SNMP_INFO_REQ) { + trace_misc("Bad command on rdisc_mib_sock"); + return; + } + + /* + * Count number of good routers + */ + for (drp = drs; drp < &drs[max_ads]; drp++) { + if (drp->dr_ts != 0) { + num++; + } + } + + rdisc_info.info_type = RDISC_SNMP_INFO_RESPONSE; + rdisc_info.info_version = RDISC_SNMP_INFO_VER; + rdisc_info.info_num_of_routers = num; + + (void) sendto(rdisc_mib_sock, &rdisc_info, sizeof (rdisc_info_t), 0, + (struct sockaddr *)&from, fromlen); + + for (drp = drs; drp < &drs[max_ads]; drp++) { + if (drp->dr_ts != 0) { + def_router.defr_info_type = RDISC_DEF_ROUTER_INFO; + def_router.defr_version = RDISC_DEF_ROUTER_VER; + def_router.defr_index = + drp->dr_ifp->int_phys->phyi_index; + def_router.defr_life = drp->dr_life; + def_router.defr_addr.s_addr = drp->dr_gate; + def_router.defr_pref = drp->dr_pref; + (void) sendto(rdisc_mib_sock, &def_router, + sizeof (defr_t), 0, (struct sockaddr *)&from, + fromlen); + } + } +} |