Date: Tue, 16 Jun 2009 01:29:14 -0400 From: Zaphod Beeblebrox <zbeeble@gmail.com> To: freebsd-hackers@freebsd.org, FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Changes in the routing socket datagram between 7.0 and 7.2? Message-ID: <5f67a8c40906152229t2123e8f1ma2c1ccafbb4f8e02@mail.gmail.com>
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Did we change something in the routing socket's datagram between 7.0 and
7.2? I have a binary I compiled on 7.0-RELEASE and it fails to add a route
on 7.2. If I recompile the source on 7.2, it works. Roughly put, the code
make a datagram for the route socket like this:
bzero(&rtmsg, sizeof(rtmsg));
/* Initial static part of the route message */
rtmsg.mrtm.rtm_msglen = sizeof(rtmsg);
rtmsg.mrtm.rtm_type = RTM_ADD;
rtmsg.mrtm.rtm_flags = RTF_UP | RTF_STATIC | RTF_GATEWAY;
rtmsg.mrtm.rtm_version = RTM_VERSION;
rtmsg.mrtm.rtm_addrs = RTA_DST | RTA_GATEWAY | RTA_NETMASK;
/* Gateway will always be the same */
rtmsg.gateway.sin_family = AF_INET;
rtmsg.gateway.sin_len = sizeof(rtmsg.gateway);
/* Add a route to localhost for my address first */
rtmsg.dest.sin_addr.s_addr = cons->LtunAddr;
rtmsg.mask.sin_addr.s_addr = INADDR_BROADCAST;
rtmsg.mrtm.rtm_seq = htons(fsd->routeSeq++);
rtmsg.gateway.sin_addr.s_addr = INADDR_LOOPBACK;
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