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| author | Denys Vlasenko <dvlasenk@redhat.com> | 2010-11-29 12:07:12 +0100 |
|---|---|---|
| committer | Denys Vlasenko <dvlasenk@redhat.com> | 2010-11-29 12:07:12 +0100 |
| commit | 3c8799b8a45def567705bfd07b8745e99d5f2dd9 (patch) | |
| tree | 0248f53ec6dd69e0ac07491dd64e11cb2d2a2c60 | |
| parent | 8027a202a89b31b33c94eae29895f14ceceef5af (diff) | |
| download | busybox-3c8799b8a45def567705bfd07b8745e99d5f2dd9.tar.gz | |
ping: set not only IP_TTL, but also IP_MULTICAST_TTL
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
| -rw-r--r-- | networking/ping.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/networking/ping.c b/networking/ping.c index 8571d179b..7f74c26fa 100644 --- a/networking/ping.c +++ b/networking/ping.c @@ -675,9 +675,11 @@ static void ping4(len_and_sockaddr *lsa) sockopt = (datalen * 2) + 7 * 1024; /* giving it a bit of extra room */ setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, &sockopt, sizeof(sockopt)); - if (opt_ttl != 0) - //setsockopt(pingsock, IPPROTO_IP, IP_MULTICAST_TTL, &opt_ttl, sizeof(opt_ttl)); + if (opt_ttl != 0) { setsockopt(pingsock, IPPROTO_IP, IP_TTL, &opt_ttl, sizeof(opt_ttl)); + /* above doesnt affect packets sent to bcast IP, so... */ + setsockopt(pingsock, IPPROTO_IP, IP_MULTICAST_TTL, &opt_ttl, sizeof(opt_ttl)); + } signal(SIGINT, print_stats_and_exit); |