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Disallow network interrupts while the address is found and copied in

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in_setsockaddr and in_setpeeraddr.
Handle the case where the socket was disconnected before the network
interrupts were disabled.
Reviewed by:	Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
This commit is contained in:
tegge 1997-05-19 00:18:30 +00:00
parent a5235db275
commit ffb9c56f76
1 changed files with 13 additions and 1 deletions
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14
sys/netinet/in_pcb.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)in_pcb.c 8.4 (Berkeley) 5/24/95
* $Id: in_pcb.c,v 1.30 1997/04/03 05:14:40 davidg Exp $
* $Id: in_pcb.c,v 1.31 1997/04/27 20:01:04 wollman Exp $
*/
#include <sys/param.h>
@ -470,9 +470,14 @@ in_setsockaddr(so, nam)
struct socket *so;
struct mbuf *nam;
{
int s = splnet();
register struct inpcb *inp = sotoinpcb(so);
register struct sockaddr_in *sin;
if (!inp) {
splx(s);
return EINVAL;
}
nam->m_len = sizeof (*sin);
sin = mtod(nam, struct sockaddr_in *);
bzero((caddr_t)sin, sizeof (*sin));
@ -480,6 +485,7 @@ in_setsockaddr(so, nam)
sin->sin_len = sizeof(*sin);
sin->sin_port = inp->inp_lport;
sin->sin_addr = inp->inp_laddr;
splx(s);
return 0;
}
@ -488,9 +494,14 @@ in_setpeeraddr(so, nam)
struct socket *so;
struct mbuf *nam;
{
int s = splnet();
struct inpcb *inp = sotoinpcb(so);
register struct sockaddr_in *sin;
if (!inp) {
splx(s);
return EINVAL;
}
nam->m_len = sizeof (*sin);
sin = mtod(nam, struct sockaddr_in *);
bzero((caddr_t)sin, sizeof (*sin));
@ -498,6 +509,7 @@ in_setpeeraddr(so, nam)
sin->sin_len = sizeof(*sin);
sin->sin_port = inp->inp_fport;
sin->sin_addr = inp->inp_faddr;
splx(s);
return 0;
}