d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Introduce experimental support for MAC in the AppleTalk/EtherTalk stack.

Browse Source 
Label link layer mbufs as they are created for transmission, check
mbufs before delivering them to sockets, label mbufs as they are created
from sockets, and preserve mbuf labels if mbufs are copied.

Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, NAI Labs
This commit is contained in:
rwatson 2002-08-15 18:58:44 +00:00
parent 2877957282
commit e43a71ac7a
3 changed files with 28 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/netatalk/aarp.c
View File

@ -6,9 +6,11 @@
*/
#include "opt_atalk.h"
#include "opt_mac.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mac.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <sys/socket.h>
@ -128,6 +130,9 @@ aarpwhohas( struct arpcom *ac, struct sockaddr_at *sat )
if (( m = m_gethdr( M_DONTWAIT, MT_DATA )) == NULL ) {
return;
}
#ifdef MAC
mac_create_mbuf_linklayer(&ac->ac_if, m);
#endif
m->m_len = sizeof( *ea );
m->m_pkthdr.len = sizeof( *ea );
MH_ALIGN( m, sizeof( *ea ));
@ -549,6 +554,9 @@ aarpprobe( void *arg )
if (( m = m_gethdr( M_DONTWAIT, MT_DATA )) == NULL ) {
return;
}
#ifdef MAC
mac_create_mbuf_linklayer(&ac->ac_if, m);
#endif
m->m_len = sizeof( *ea );
m->m_pkthdr.len = sizeof( *ea );
MH_ALIGN( m, sizeof( *ea ));

10
sys/netatalk/ddp_input.c
View File

@ -5,9 +5,12 @@
* $FreeBSD$
*/
#include "opt_mac.h"
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mac.h>
#include <sys/mbuf.h>
#include <sys/signalvar.h>
#include <sys/socket.h>
@ -395,6 +398,13 @@ ddp_input( m, ifp, elh, phase )
return;
}
#ifdef MAC
if (mac_check_socket_deliver(ddp->ddp_socket, m) != 0) {
m_freem( m );
return;
}
#endif
/*
* If we found one, deliver th epacket to the socket
*/

10
sys/netatalk/ddp_output.c
View File

@ -23,8 +23,11 @@
/* $FreeBSD$ */
#include "opt_mac.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mac.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
@ -48,6 +51,10 @@ ddp_output( struct mbuf *m, struct socket *so)
struct ddpehdr *deh;
struct ddpcb *ddp = sotoddpcb( so );
#ifdef MAC
mac_create_mbuf_from_socket(so, m);
#endif
M_PREPEND( m, sizeof( struct ddpehdr ), M_TRYWAIT );
deh = mtod( m, struct ddpehdr *);
@ -195,6 +202,9 @@ ddp_route( struct mbuf *m, struct route *ro)
printf("ddp_route: no buffers\n");
return( ENOBUFS );
}
#ifdef MAC
mac_create_mbuf_from_mbuf(m, m0);
#endif
m0->m_next = m;
/* XXX perhaps we ought to align the header? */
m0->m_len = SZ_ELAPHDR;