Date: Tue, 2 Feb 2010 18:38:17 +0000 (UTC) From: Hajimu UMEMOTO <ume@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r203387 - head/usr.sbin/rtsold Message-ID: <201002021838.o12IcIoZ043607@svn.freebsd.org>
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Author: ume Date: Tue Feb 2 18:38:17 2010 New Revision: 203387 URL: http://svn.freebsd.org/changeset/base/203387 Log: Exclude the interfaces which IPv6 and/or accepting RA is disabled from the auto probed interface list. MFC after: 1 week Modified: head/usr.sbin/rtsold/rtsold.c Modified: head/usr.sbin/rtsold/rtsold.c ============================================================================== --- head/usr.sbin/rtsold/rtsold.c Tue Feb 2 18:07:16 2010 (r203386) +++ head/usr.sbin/rtsold/rtsold.c Tue Feb 2 18:38:17 2010 (r203387) @@ -32,15 +32,20 @@ */ #include <sys/types.h> +#include <sys/ioctl.h> #include <sys/time.h> #include <sys/socket.h> #include <sys/param.h> #include <net/if.h> #include <net/if_dl.h> +#include <net/if_var.h> #include <netinet/in.h> #include <netinet/icmp6.h> +#include <netinet/in_var.h> + +#include <netinet6/nd6.h> #include <signal.h> #include <unistd.h> @@ -785,8 +790,9 @@ autoifprobe(void) static char **argv = NULL; static int n = 0; char **a; - int i, found; + int s, i, found; struct ifaddrs *ifap, *ifa, *target; + struct in6_ndireq nd; /* initialize */ while (n--) @@ -800,6 +806,11 @@ autoifprobe(void) if (getifaddrs(&ifap) != 0) return NULL; + if (!Fflag && (s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { + err(1, "socket"); + /* NOTREACHED */ + } + target = NULL; /* find an ethernet */ for (ifa = ifap; ifa; ifa = ifa->ifa_next) { @@ -825,6 +836,23 @@ autoifprobe(void) if (found) continue; + /* + * Skip the interfaces which IPv6 and/or accepting RA + * is disabled. + */ + if (!Fflag) { + memset(&nd, 0, sizeof(nd)); + strlcpy(nd.ifname, ifa->ifa_name, sizeof(nd.ifname)); + if (ioctl(s, SIOCGIFINFO_IN6, (caddr_t)&nd) < 0) { + err(1, "ioctl(SIOCGIFINFO_IN6)"); + /* NOTREACHED */ + } + if ((nd.ndi.flags & ND6_IFF_IFDISABLED)) + continue; + if (!(nd.ndi.flags & ND6_IFF_ACCEPT_RTADV)) + continue; + } + /* if we find multiple candidates, just warn. */ if (n != 0 && dflag > 1) warnx("multiple interfaces found"); @@ -851,6 +879,8 @@ autoifprobe(void) warnx("probing %s", argv[i]); } } + if (!Fflag) + close(s); freeifaddrs(ifap); return argv; }
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