diff options
author | Michael Tuexen <tuexen@FreeBSD.org> | 2020-09-13 09:00:00 +0000 |
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committer | Michael Tuexen <tuexen@FreeBSD.org> | 2020-09-13 09:00:00 +0000 |
commit | c70906519af35070e22b5833c478bbb8151b04f9 (patch) | |
tree | 65dd64e2ecaa22bcbe1f91093dd77e6ea7055cf0 /usr.sbin/traceroute6 | |
parent | 7be655c2b424320942b05b77e3615445d6923e3e (diff) | |
download | src-c70906519af35070e22b5833c478bbb8151b04f9.tar.gz src-c70906519af35070e22b5833c478bbb8151b04f9.zip |
Notes
Diffstat (limited to 'usr.sbin/traceroute6')
-rw-r--r-- | usr.sbin/traceroute6/traceroute6.8 | 12 | ||||
-rw-r--r-- | usr.sbin/traceroute6/traceroute6.c | 23 |
2 files changed, 32 insertions, 3 deletions
diff --git a/usr.sbin/traceroute6/traceroute6.8 b/usr.sbin/traceroute6/traceroute6.8 index ba52f146d72b..5166472f6e75 100644 --- a/usr.sbin/traceroute6/traceroute6.8 +++ b/usr.sbin/traceroute6/traceroute6.8 @@ -29,7 +29,7 @@ .\" .\" $FreeBSD$ .\" -.Dd July 16, 2019 +.Dd September 13, 2020 .Dt TRACEROUTE6 8 .Os .\" @@ -61,6 +61,9 @@ .Op Fl s Ar src .Ek .Bk -words +.Op Fl t Ar tclass +.Ek +.Bk -words .Op Fl w Ar waittime .Ek .Bk -words @@ -148,6 +151,13 @@ If .Ar datalen is up to 28, probe packets consist of a SHUTDOWN-ACK chunk possibly bundled with a PAD chunk. For larger probe packets, an INIT chunk is used. +.It Fl t Ar tclass +.Ar tclass +specifies the +.Em traffic class +used when sending probe packets. +The value must be a decimal integer in the range 0 to 255. +The default is 0. .It Fl T Use TCP segments for the probes. .It Fl U diff --git a/usr.sbin/traceroute6/traceroute6.c b/usr.sbin/traceroute6/traceroute6.c index f4e48b657f26..89bcaaee01c0 100644 --- a/usr.sbin/traceroute6/traceroute6.c +++ b/usr.sbin/traceroute6/traceroute6.c @@ -346,6 +346,7 @@ static u_long max_hops = 30; static u_int16_t srcport; static u_int16_t port = 32768+666; /* start udp dest port # for probe packets */ static u_int16_t ident; +static int tclass = -1; static int options; /* socket options */ static int verbose; static int waittime = 5; /* time to wait for response (in seconds) */ @@ -364,7 +365,7 @@ main(int argc, char *argv[]) int ch, i, on = 1, seq, rcvcmsglen, error; struct addrinfo hints, *res; static u_char *rcvcmsgbuf; - u_long probe, hops, lport; + u_long probe, hops, lport, ltclass; struct hostent *hp; size_t size, minlen; uid_t uid; @@ -414,7 +415,7 @@ main(int argc, char *argv[]) seq = 0; ident = htons(getpid() & 0xffff); /* same as ping6 */ - while ((ch = getopt(argc, argv, "aA:df:g:Ilm:nNp:q:rs:STUvw:")) != -1) + while ((ch = getopt(argc, argv, "aA:df:g:Ilm:nNp:q:rs:St:TUvw:")) != -1) switch (ch) { case 'a': as_path = 1; @@ -531,6 +532,17 @@ main(int argc, char *argv[]) case 'S': useproto = IPPROTO_SCTP; break; + case 't': + ep = NULL; + errno = 0; + ltclass = strtoul(optarg, &ep, 0); + if (errno || !*optarg || *ep || ltclass > 255) { + fprintf(stderr, + "traceroute6: invalid traffic class.\n"); + exit(1); + } + tclass = (int)ltclass; + break; case 'T': useproto = IPPROTO_TCP; break; @@ -595,6 +607,13 @@ main(int argc, char *argv[]) exit(1); } + if (tclass != -1) { + if (setsockopt(sndsock, IPPROTO_IPV6, IPV6_TCLASS, &tclass, + sizeof(int)) == -1) { + perror("setsockopt(IPV6_TCLASS)"); + exit(7); + } + } if (argc < 1 || argc > 2) usage(); |