you cant get the same functionality with route exec?
> On 7 Aug 2015, at 2:26 am, Bertrand PROVOST <[email protected]>
> wrote:
>
> Hi,
>
> this diff add rdomain support to tftpd.
> It used setsockopt/SO_RTABLE like in ping program.
>
> Alternatively I could use `setrtable` once instead of multiple setsockopt.
>
> I don't know which method is the best in this case.
>
> http://pastebin.com/7jBU78fc
>
>
> Index: tftpd.8
> ===================================================================
> RCS file: /cvs/src/usr.sbin/tftpd/tftpd.8,v
> retrieving revision 1.4
> diff -u -p -r1.4 tftpd.8
> --- tftpd.8 4 Mar 2012 07:26:51 -0000 1.4
> +++ tftpd.8 6 Aug 2015 16:10:19 -0000
> @@ -41,6 +41,7 @@
> .Op Fl l Ar address
> .Op Fl p Ar port
> .Op Fl r Ar socket
> +.Op Fl V Ar rtable
> .Ar directory
> .Sh DESCRIPTION
> .Nm
> @@ -119,6 +120,8 @@ By default
> does not use filename rewriting.
> .It Fl v
> Log the client IP, type of request, and filename.
> +.It Fl V Ar rtable
> +Set the routing table to be used for listening connections.
> .It Ar directory
> .Xr chroot 2
> to
> Index: tftpd.c
> ===================================================================
> RCS file: /cvs/src/usr.sbin/tftpd/tftpd.c,v
> retrieving revision 1.26
> diff -u -p -r1.26 tftpd.c
> --- tftpd.c 16 Jan 2015 06:40:22 -0000 1.26
> +++ tftpd.c 6 Aug 2015 16:10:19 -0000
> @@ -260,13 +260,14 @@ __dead void
> usage(void)
> {
> extern char *__progname;
> - fprintf(stderr, "usage: %s [-46cdv] [-l address] [-p port] [-r socket]"
> + fprintf(stderr, "usage: %s [-46cdv] [-l address] [-p port] [-r socket]
> [-V rtable]"
> " directory\n", __progname);
> exit(1);
> }
>
> int cancreate = 0;
> int verbose = 0;
> +int rtableid = -1;
>
> int
> main(int argc, char *argv[])
> @@ -283,8 +284,9 @@ main(int argc, char *argv[])
> char *addr = NULL;
> char *port = "tftp";
> int family = AF_UNSPEC;
> + const char *errstr;
>
> - while ((c = getopt(argc, argv, "46cdl:p:r:v")) != -1) {
> + while ((c = getopt(argc, argv, "46cdl:p:r:vV:")) != -1) {
> switch (c) {
> case '4':
> family = AF_INET;
> @@ -310,6 +312,13 @@ main(int argc, char *argv[])
> case 'v':
> verbose = 1;
> break;
> + case 'V':
> + rtableid = (unsigned int)strtonum(optarg, 0,
> + RT_TABLEID_MAX, &errstr);
> + if (errstr)
> + errx(1, "rtable value is %s: %s",
> + errstr, optarg);
> + break;
> default:
> usage();
> /* NOTREACHED */
> @@ -537,6 +546,15 @@ tftpd_listen(const char *addr, const cha
> continue;
> }
>
> + if (rtableid != -1) {
> + if (setsockopt(s, SOL_SOCKET, SO_RTABLE, &rtableid,
> + sizeof(rtableid)) == -1) {
> + cause = "setsockopt SO_RTABLE";
> + cerrno = errno;
> + continue;
> + }
> + }
> +
> if (bind(s, res->ai_addr, res->ai_addrlen) == -1) {
> cause = "bind";
> cerrno = errno;
> @@ -674,6 +692,15 @@ tftpd_recv(int fd, short events, void *a
> lwarn("socket");
> goto err;
> }
> +
> + if (rtableid != -1) {
> + if (setsockopt(client->sock, SOL_SOCKET, SO_RTABLE, &rtableid,
> + sizeof(rtableid)) == -1) {
> + lwarn("setsockopt SO_RTABLE");
> + goto err;
> + }
> + }
> +
> memset(&s_in, 0, sizeof(s_in));
> s_in.ss_family = client->ss.ss_family;
> s_in.ss_len = client->ss.ss_len;
>
> --
> Bertrand PROVOST
