diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-03-24 16:11:09 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-03-24 16:11:09 +0000 |
| commit | 0bdf18c9edb2e6a9fa89a28e89d11e7b6785b1fd (patch) | |
| tree | bd0dc86a525e38150bde9f0c3d55ad9dfeb4e6a2 /usr.sbin/tcpdump/privsep_fdpass.c | |
| parent | 6e48c70f167662c7aec42af9bafc316e322ef92a (diff) | |
msg_controllen has to be CMSG_SPACE so that the kernel can account for
each cmsg_len (ie. msg_controllen = sum of CMSG_ALIGN(cmsg_len). This
works now that kernel fd passing has been fixed to accept a bit of
sloppiness because of this ABI repair.
lots of discussion with kettenis
Diffstat (limited to 'usr.sbin/tcpdump/privsep_fdpass.c')
| -rw-r--r-- | usr.sbin/tcpdump/privsep_fdpass.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/usr.sbin/tcpdump/privsep_fdpass.c b/usr.sbin/tcpdump/privsep_fdpass.c index bba8d85e4b9..203ba07c324 100644 --- a/usr.sbin/tcpdump/privsep_fdpass.c +++ b/usr.sbin/tcpdump/privsep_fdpass.c @@ -1,4 +1,4 @@ -/* $OpenBSD: privsep_fdpass.c,v 1.6 2008/03/15 16:19:02 deraadt Exp $ */ +/* $OpenBSD: privsep_fdpass.c,v 1.7 2008/03/24 16:11:06 deraadt Exp $ */ /* * Copyright (c) 2002 Matthieu Herrb @@ -46,7 +46,7 @@ send_fd(int sock, int fd) if (fd >= 0) { msg.msg_control = (caddr_t)&cmsgbuf.buf; - msg.msg_controllen = CMSG_LEN(sizeof(int)); + msg.msg_controllen = sizeof(cmsgbuf.buf); cmsg = CMSG_FIRSTHDR(&msg); cmsg->cmsg_len = CMSG_LEN(sizeof(int)); cmsg->cmsg_level = SOL_SOCKET; @@ -87,7 +87,7 @@ receive_fd(int sock) msg.msg_iov = &vec; msg.msg_iovlen = 1; msg.msg_control = &cmsgbuf.buf; - msg.msg_controllen = CMSG_LEN(sizeof(int)); + msg.msg_controllen = sizeof(cmsgbuf.buf); if ((n = recvmsg(sock, &msg, 0)) == -1) warn("%s: recvmsg", __func__); |