diff options
| author | glebius <glebius@FreeBSD.org> | 2005-02-22 07:50:02 +0000 |
|---|---|---|
| committer | glebius <glebius@FreeBSD.org> | 2005-02-22 07:50:02 +0000 |
| commit | 38f30cf325c63613bb561ad3833e16b1d3298921 (patch) | |
| tree | d99f4dbb67ca7cc3dd0821dbff1ed73dad3309c9 /sys/netinet | |
| parent | 5f0d747b305c9be3747f2e80eeeeff8e3a791725 (diff) | |
| download | FreeBSD-src-38f30cf325c63613bb561ad3833e16b1d3298921.zip FreeBSD-src-38f30cf325c63613bb561ad3833e16b1d3298921.tar.gz | |
In in_pcbconnect_setup() jailed sockets are treated specially: if local
address is not supplied, then jail IP is choosed and in_pcbbind() is called.
Since udp_output() does not save local addr after call to in_pcbconnect_setup(),
in_pcbbind() is called for each packet, and this is incorrect.
So, we shall treat jailed sockets specially in udp_output(), we will save
their local address.
This fixes a long standing bug with broken sendto() system call in jails.
PR: kern/26506
Reviewed by: rwatson
MFC after: 2 weeks
Diffstat (limited to 'sys/netinet')
| -rw-r--r-- | sys/netinet/udp_usrreq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c index 29bfaf2..d96344b 100644 --- a/sys/netinet/udp_usrreq.c +++ b/sys/netinet/udp_usrreq.c @@ -804,6 +804,11 @@ udp_output(inp, m, addr, control, td) /* Commit the local port if newly assigned. */ if (inp->inp_laddr.s_addr == INADDR_ANY && inp->inp_lport == 0) { + /* + * Remember addr if jailed, to prevent rebinding. + */ + if (jailed(td->td_ucred)) + inp->inp_laddr = laddr; inp->inp_lport = lport; if (in_pcbinshash(inp) != 0) { inp->inp_lport = 0; |
