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https://git.FreeBSD.org/src.git
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Massively COMMENT at_control.c
and fix some bugs.. also fix a bug in aarp.c that didn't take netranges into account. default routes now work with appletalk, which is a poor-man's way of being able to access netranges if you only have one network :) Hopefully the full netranges fix will happen soon.
This commit is contained in:
Julian Elischer
parent
7e3456fb69
commit
765e367570
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=17921
@ -89,20 +89,33 @@ aarptimer(void *ignored)
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}
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}
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/*
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* search through the network addresses to find one that includes
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* the given network.. remember to take netranges into
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* consideration.
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*/
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struct ifaddr *
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at_ifawithnet( sat, ifa )
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struct sockaddr_at *sat;
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struct ifaddr *ifa;
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{
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struct sockaddr_at *sat2;
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struct netrange *nr;
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for (; ifa; ifa = ifa->ifa_next ) {
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if ( ifa->ifa_addr->sa_family != AF_APPLETALK ) {
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continue;
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}
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if ( satosat( ifa->ifa_addr )->sat_addr.s_net ==
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sat->sat_addr.s_net ) {
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sat2 = satosat( ifa->ifa_addr );
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if ( sat2->sat_addr.s_net == sat->sat_addr.s_net ) {
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break;
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}
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nr = (struct netrange *)(sat2->sat_zero);
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if( (nr->nr_phase == 2 )
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&& (nr->nr_firstnet <= sat->sat_addr.s_net)
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&& (nr->nr_lastnet >= sat->sat_addr.s_net)) {
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break;
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}
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}
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return( ifa );
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}
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@ -53,15 +53,31 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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struct mbuf *m;
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struct ifaddr *ifa;
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/*
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* If we have an ifp, then find the matching at_ifaddr if it exists
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*/
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if ( ifp ) {
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for ( aa = at_ifaddr; aa; aa = aa->aa_next ) {
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if ( aa->aa_ifp == ifp ) break;
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}
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}
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/*
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* In this first switch table we are basically getting ready for
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* the second one, by getting the atalk-specific things set up
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* so that they start to look more similar to other protocols etc.
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*/
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switch ( cmd ) {
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case SIOCAIFADDR:
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case SIOCDIFADDR:
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/*
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* If we have an appletalk sockaddr, scan forward of where
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* we are now on the at_ifaddr list to find one with a matching
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* address on this interface.
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* This may leave aa pointing to the first address on the
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* NEXT interface!
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*/
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if ( ifra->ifra_addr.sat_family == AF_APPLETALK ) {
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for ( ; aa; aa = aa->aa_next ) {
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if ( aa->aa_ifp == ifp &&
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@ -70,12 +86,19 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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}
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}
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}
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/*
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* If we a retrying to delete an addres but didn't find such,
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* then rewurn with an error
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*/
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if ( cmd == SIOCDIFADDR && aa == 0 ) {
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return( EADDRNOTAVAIL );
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}
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/*FALLTHROUGH*/
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case SIOCSIFADDR:
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/*
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* If we are not superuser, then we don't get to do these ops.
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*/
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if ( suser(p->p_ucred, &p->p_acflag) ) {
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return( EPERM );
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}
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@ -83,6 +106,11 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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sat = satosat( &ifr->ifr_addr );
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nr = (struct netrange *)sat->sat_zero;
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if ( nr->nr_phase == 1 ) {
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/*
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* Look for a phase 1 address on this interface.
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* This may leave aa pointing to the first address on the
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* NEXT interface!
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*/
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for ( ; aa; aa = aa->aa_next ) {
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if ( aa->aa_ifp == ifp &&
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( aa->aa_flags & AFA_PHASE2 ) == 0 ) {
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@ -90,6 +118,11 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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}
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}
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} else { /* default to phase 2 */
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/*
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* Look for a phase 2 address on this interface.
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* This may leave aa pointing to the first address on the
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* NEXT interface!
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*/
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for ( ; aa; aa = aa->aa_next ) {
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if ( aa->aa_ifp == ifp && ( aa->aa_flags & AFA_PHASE2 )) {
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break;
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@ -100,6 +133,11 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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if ( ifp == 0 )
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panic( "at_control" );
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/*
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* If we failed to find an existing at_ifaddr entry, then we
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* allocate a fresh one.
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* XXX change this to use malloc
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*/
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if ( aa == (struct at_ifaddr *) 0 ) {
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m = m_getclr( M_WAIT, MT_IFADDR );
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if ( m == (struct mbuf *)NULL ) {
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@ -111,6 +149,8 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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* Don't let the loopback be first, since the first
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* address is the machine's default address for
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* binding.
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* If it is, stick ourself in front, otherwise
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* go to the back of the list.
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*/
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if ( at_ifaddr->aa_ifp->if_flags & IFF_LOOPBACK ) {
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aa = mtod( m, struct at_ifaddr *);
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@ -127,6 +167,10 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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aa = mtod( m, struct at_ifaddr *);
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/*
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* Find the end of the interface's addresses
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* and link our new one on the end
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*/
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if (( ifa = ifp->if_addrlist ) != NULL ) {
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for ( ; ifa->ifa_next; ifa = ifa->ifa_next )
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;
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@ -135,6 +179,10 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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ifp->if_addrlist = (struct ifaddr *)aa;
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}
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/*
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* As the at_ifaddr contains the actual sockaddrs,
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* and the ifaddr itself, link them al together correctly.
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*/
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aa->aa_ifa.ifa_addr = (struct sockaddr *)&aa->aa_addr;
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aa->aa_ifa.ifa_dstaddr = (struct sockaddr *)&aa->aa_addr;
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aa->aa_ifa.ifa_netmask = (struct sockaddr *)&aa->aa_netmask;
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@ -147,8 +195,15 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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} else {
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aa->aa_flags |= AFA_PHASE2;
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}
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/*
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* and link it all together
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*/
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aa->aa_ifp = ifp;
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} else {
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/*
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* If we DID find one then we clobber any routes dependent on it..
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*/
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at_scrub( ifp, aa );
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}
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break;
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@ -157,13 +212,20 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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sat = satosat( &ifr->ifr_addr );
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nr = (struct netrange *)sat->sat_zero;
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if ( nr->nr_phase == 1 ) {
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/*
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* If the request is specifying phase 1, then
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* only look at a phase one address
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*/
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for ( ; aa; aa = aa->aa_next ) {
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if ( aa->aa_ifp == ifp &&
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( aa->aa_flags & AFA_PHASE2 ) == 0 ) {
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break;
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}
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}
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} else { /* default to phase 2 */
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} else {
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/*
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* default to phase 2
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*/
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for ( ; aa; aa = aa->aa_next ) {
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if ( aa->aa_ifp == ifp && ( aa->aa_flags & AFA_PHASE2 )) {
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break;
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@ -176,10 +238,22 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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break;
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}
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/*
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* By the time this switch is run we should be able to assume that
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* the "aa" pointer is valid when needed.
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*/
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switch ( cmd ) {
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case SIOCGIFADDR:
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/*
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* copy the contents of the sockaddr blindly.
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*/
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sat = (struct sockaddr_at *)&ifr->ifr_addr;
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*sat = aa->aa_addr;
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/*
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* and do some cleanups
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*/
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((struct netrange *)&sat->sat_zero)->nr_phase
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= (aa->aa_flags & AFA_PHASE2) ? 2 : 1;
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((struct netrange *)&sat->sat_zero)->nr_firstnet = aa->aa_firstnet;
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@ -196,13 +270,24 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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return( at_ifinit( ifp, aa, (struct sockaddr_at *)&ifr->ifr_addr ));
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case SIOCDIFADDR:
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/*
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* scrub all routes.. didn't we just DO this? XXX yes, del it
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*/
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at_scrub( ifp, aa );
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/*
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* remove the ifaddr from the interface
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*/
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if (( ifa = ifp->if_addrlist ) == (struct ifaddr *)aa ) {
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ifp->if_addrlist = ifa->ifa_next;
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} else {
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while ( ifa->ifa_next && ( ifa->ifa_next != (struct ifaddr *)aa )) {
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ifa = ifa->ifa_next;
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}
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/*
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* if we found it, remove it, otherwise we screwed up.
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*/
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if ( ifa->ifa_next ) {
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ifa->ifa_next = ((struct ifaddr *)aa)->ifa_next;
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} else {
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@ -210,6 +295,10 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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}
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}
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/*
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* Now remove the at_ifaddr from the parallel structure
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* as well, or we'd be in deep trouble
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*/
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aa0 = aa;
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if ( aa0 == ( aa = at_ifaddr )) {
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at_ifaddr = aa->aa_next;
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@ -217,12 +306,20 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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while ( aa->aa_next && ( aa->aa_next != aa0 )) {
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aa = aa->aa_next;
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}
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/*
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* if we found it, remove it, otherwise we screwed up.
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*/
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if ( aa->aa_next ) {
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aa->aa_next = aa0->aa_next;
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} else {
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panic( "at_control" );
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}
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}
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/*
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* Now dump the memory we were using
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*/
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m_free( dtom( aa0 ));
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break;
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@ -234,6 +331,12 @@ at_control( int cmd, caddr_t data, struct ifnet *ifp, struct proc *p )
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return( 0 );
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}
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/*
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* Given an interface and an at_ifaddr (supposedly on that interface)
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* remove any routes that depend on this.
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* Why ifp is needed I'm not sure,
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* as aa->at_ifaddr.ifa_ifp should be the same.
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*/
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static int
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at_scrub( ifp, aa )
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struct ifnet *ifp;
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@ -252,6 +355,10 @@ at_scrub( ifp, aa )
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return( 0 );
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}
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/*
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* given an at_ifaddr,a sockaddr_at and an ifp,
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* bang them all together at high speed and see what happens
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*/
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static int
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at_ifinit( ifp, aa, sat )
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struct ifnet *ifp;
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@ -264,14 +371,22 @@ at_ifinit( ifp, aa, sat )
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int flags = RTF_UP, netinc, nodeinc, nnets;
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u_short net;
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/*
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* save the old addresses in the at_ifaddr just in case we need them.
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*/
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oldaddr = aa->aa_addr;
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onr.nr_firstnet = aa->aa_firstnet;
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onr.nr_lastnet = aa->aa_lastnet;
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/*
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* take the address supplied as an argument, and add it to the
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* at_ifnet (also given). Remember ing to update
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* those parts of the at_ifaddr that need special processing
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*/
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bzero( AA_SAT( aa ), sizeof( struct sockaddr_at ));
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bcopy( sat->sat_zero, &nr, sizeof( struct netrange ));
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bcopy( sat->sat_zero, AA_SAT( aa )->sat_zero, sizeof( struct netrange ));
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nnets = ntohs( nr.nr_lastnet ) - ntohs( nr.nr_firstnet ) + 1;
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onr.nr_firstnet = aa->aa_firstnet;
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onr.nr_lastnet = aa->aa_lastnet;
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aa->aa_firstnet = nr.nr_firstnet;
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aa->aa_lastnet = nr.nr_lastnet;
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@ -296,19 +411,42 @@ at_ifinit( ifp, aa, sat )
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#if 0
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} else if ( fp->if_flags & IFF_POINTOPOINT) {
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/* unimplemented */
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/*
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* we'd have to copy the dstaddr field over from the sat
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* but it's not clear that it would contain the right info..
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*/
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#endif
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} else {
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aa->aa_flags |= AFA_PROBING;
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/*
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* We are a normal (probably ethernet) interface.
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* apply the new address to the interface structures etc.
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* We will probe this address on the net first, before
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* applying it to ensure that it is free.. If it is not, then
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* we will try a number of other randomly generated addresses
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* in this net and then increment the net. etc.etc. until
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* we find an unused address.
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*/
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aa->aa_flags |= AFA_PROBING; /* if not loopback we Must probe? */
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AA_SAT( aa )->sat_len = sizeof(struct sockaddr_at);
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AA_SAT( aa )->sat_family = AF_APPLETALK;
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if ( aa->aa_flags & AFA_PHASE2 ) {
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if ( sat->sat_addr.s_net == ATADDR_ANYNET ) {
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/*
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* If we are phase 2, and the net was not specified
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* then we select a random net within the supplied netrange.
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* XXX use /dev/random?
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*/
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if ( nnets != 1 ) {
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net = ntohs( nr.nr_firstnet ) + time.tv_sec % ( nnets - 1 );
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} else {
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net = ntohs( nr.nr_firstnet );
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}
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} else {
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/*
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* if a net was supplied, then check that it is within
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* the netrange. If it is not then replace the old values
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* and return an error
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*/
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if ( ntohs( sat->sat_addr.s_net ) < ntohs( nr.nr_firstnet ) ||
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ntohs( sat->sat_addr.s_net ) > ntohs( nr.nr_lastnet )) {
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aa->aa_addr = oldaddr;
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@ -316,22 +454,44 @@ at_ifinit( ifp, aa, sat )
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aa->aa_lastnet = onr.nr_lastnet;
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return( EINVAL );
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}
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/*
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* otherwise just use the new net number..
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*/
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net = ntohs( sat->sat_addr.s_net );
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}
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} else {
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/*
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* we must be phase one, so just use whatever we were given.
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* I guess it really isn't going to be used... RIGHT?
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*/
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net = ntohs( sat->sat_addr.s_net );
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}
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/*
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* set the node part of the address into the ifaddr.
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* If it's not specified, be random about it...
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* XXX use /dev/random?
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*/
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if ( sat->sat_addr.s_node == ATADDR_ANYNODE ) {
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AA_SAT( aa )->sat_addr.s_node = time.tv_sec;
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} else {
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AA_SAT( aa )->sat_addr.s_node = sat->sat_addr.s_node;
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}
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/*
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* step through the nets in the range
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* starting at the (possibly random) start point.
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*/
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for ( i = nnets, netinc = 1; i > 0; net = ntohs( nr.nr_firstnet ) +
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(( net - ntohs( nr.nr_firstnet ) + netinc ) % nnets ), i-- ) {
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AA_SAT( aa )->sat_addr.s_net = htons( net );
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/*
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* using a rather strange stepping method,
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* stagger through the possible node addresses
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* Once again, starting at the (possibly random)
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* initial node address.
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*/
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for ( j = 0, nodeinc = time.tv_sec | 1; j < 256;
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j++, AA_SAT( aa )->sat_addr.s_node += nodeinc ) {
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if ( AA_SAT( aa )->sat_addr.s_node > 253 ||
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@ -339,20 +499,40 @@ at_ifinit( ifp, aa, sat )
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continue;
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}
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aa->aa_probcnt = 10;
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/*
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* start off the probes as an asynchronous activity.
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* though why wait 200mSec?
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*/
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timeout( (timeout_func_t)aarpprobe, (caddr_t)ifp, hz / 5 );
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splx( s );
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if ( tsleep( aa, PPAUSE|PCATCH, "at_ifinit", 0 )) {
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/*
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* theoretically we shouldn't time out here
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* so if we returned with an error..
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*/
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printf( "at_ifinit: why did this happen?!\n" );
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aa->aa_addr = oldaddr;
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aa->aa_firstnet = onr.nr_firstnet;
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aa->aa_lastnet = onr.nr_lastnet;
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return( EINTR );
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}
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/*
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* The async activity should have woken us up.
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* We need to see if it was successful in finding
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* a free spot, or if we need to iterate to the next
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* address to try.
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*/
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s = splimp();
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if (( aa->aa_flags & AFA_PROBING ) == 0 ) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* of course we need to break out through two loops...
|
||||
*/
|
||||
if (( aa->aa_flags & AFA_PROBING ) == 0 ) {
|
||||
break;
|
||||
}
|
||||
@ -360,6 +540,11 @@ at_ifinit( ifp, aa, sat )
|
||||
AA_SAT( aa )->sat_addr.s_node = time.tv_sec;
|
||||
}
|
||||
|
||||
/*
|
||||
* if we are still trying to probe, then we have finished all
|
||||
* the possible addresses, so we need to give up
|
||||
*/
|
||||
|
||||
if ( aa->aa_flags & AFA_PROBING ) {
|
||||
aa->aa_addr = oldaddr;
|
||||
aa->aa_firstnet = onr.nr_firstnet;
|
||||
@ -369,8 +554,16 @@ at_ifinit( ifp, aa, sat )
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Now that we have selected an address, we need to tell the interface
|
||||
* about it, just in case it needs to adjust something.
|
||||
*/
|
||||
if ( ifp->if_ioctl &&
|
||||
( error = (*ifp->if_ioctl)( ifp, SIOCSIFADDR, (caddr_t)aa ))) {
|
||||
/*
|
||||
* of course this could mean that it objects violently
|
||||
* so if it does, we back out again..
|
||||
*/
|
||||
aa->aa_addr = oldaddr;
|
||||
aa->aa_firstnet = onr.nr_firstnet;
|
||||
aa->aa_lastnet = onr.nr_lastnet;
|
||||
@ -378,54 +571,57 @@ at_ifinit( ifp, aa, sat )
|
||||
return( error );
|
||||
}
|
||||
|
||||
#if 1
|
||||
/* this works */
|
||||
aa->aa_netmask.sat_len = 6/*sizeof(struct sockaddr_at)*/;
|
||||
aa->aa_netmask.sat_family = AF_APPLETALK;
|
||||
aa->aa_netmask.sat_addr.s_net = 0xffff;
|
||||
aa->aa_netmask.sat_addr.s_node = 0;
|
||||
aa->aa_ifa.ifa_netmask =(struct sockaddr *) &(aa->aa_netmask); /* XXX */
|
||||
|
||||
#else
|
||||
/* this doesn't */
|
||||
/* Initialize netmask and broadcast address */
|
||||
|
||||
/*
|
||||
* set up the netmask part of the at_ifaddr
|
||||
* and point the appropriate pointer in the ifaddr to it.
|
||||
*/
|
||||
bzero(&aa->aa_netmask, sizeof(aa->aa_netmask));
|
||||
aa->aa_netmask.sat_len = sizeof(struct sockaddr_at);
|
||||
aa->aa_netmask.sat_family = AF_APPLETALK;
|
||||
aa->aa_netmask.sat_addr.s_net = 0xffff;
|
||||
aa->aa_netmask.sat_addr.s_node = 0;
|
||||
aa->aa_ifa.ifa_netmask = (struct sockaddr *) &aa->aa_netmask;
|
||||
aa->aa_ifa.ifa_netmask =(struct sockaddr *) &(aa->aa_netmask); /* XXX */
|
||||
|
||||
/*
|
||||
* Initialize broadcast (or remote p2p) address
|
||||
*/
|
||||
bzero(&aa->aa_broadaddr, sizeof(aa->aa_broadaddr));
|
||||
aa->aa_ifa.ifa_broadaddr = (struct sockaddr *) &aa->aa_broadaddr;
|
||||
aa->aa_broadaddr.sat_len = sizeof(struct sockaddr_at);
|
||||
aa->aa_broadaddr.sat_family = AF_APPLETALK;
|
||||
|
||||
/* "Add a route to the network" */
|
||||
|
||||
aa->aa_ifa.ifa_metric = ifp->if_metric;
|
||||
if (ifp->if_flags & IFF_BROADCAST) {
|
||||
aa->aa_broadaddr.sat_addr.s_net = htons(0);
|
||||
aa->aa_broadaddr.sat_addr.s_node = 0xff;
|
||||
aa->aa_netmask.sat_addr.s_net = htons(0xffff); /* XXX */
|
||||
aa->aa_netmask.sat_addr.s_node = 0; /* XXX */
|
||||
} else if (ifp->if_flags & IFF_LOOPBACK) {
|
||||
aa->aa_ifa.ifa_broadaddr = (struct sockaddr *) &aa->aa_broadaddr;
|
||||
}
|
||||
#if 0
|
||||
else if (ifp->if_flags & IFF_LOOPBACK) {
|
||||
aa->aa_ifa.ifa_dstaddr = aa->aa_ifa.ifa_addr;
|
||||
aa->aa_netmask.sat_addr.s_net = htons(0xffff); /* XXX */
|
||||
aa->aa_netmask.sat_addr.s_node = 0xff; /* XXX */
|
||||
flags |= RTF_HOST;
|
||||
} else if (ifp->if_flags & IFF_POINTOPOINT) {
|
||||
aa->aa_ifa.ifa_dstaddr = aa->aa_ifa.ifa_addr;
|
||||
}
|
||||
#endif
|
||||
else if (ifp->if_flags & IFF_POINTOPOINT) {
|
||||
aa->aa_ifa.ifa_dstaddr = (struct sockaddr *) &aa->aa_dstaddr;
|
||||
aa->aa_netmask.sat_addr.s_net = htons(0xffff);
|
||||
aa->aa_netmask.sat_addr.s_node = 0xff;
|
||||
flags |= RTF_HOST;
|
||||
}
|
||||
#endif
|
||||
error = rtinit(&aa->aa_ifa, RTM_ADD, flags);
|
||||
|
||||
#if 0
|
||||
/*
|
||||
* Now that we have selected an address, it becomes
|
||||
* important that we start setting up the routing table so that
|
||||
* we can actually USE that address.
|
||||
*/
|
||||
|
||||
if ( ifp->if_flags & IFF_LOOPBACK ) {
|
||||
#if 1
|
||||
error = rtinit(&aa->aa_ifa, RTM_ADD, flags);
|
||||
#else
|
||||
struct at_addr rtaddr, rtmask;
|
||||
|
||||
bzero(&rtaddr, sizeof(rtaddr));
|
||||
@ -433,12 +629,15 @@ at_ifinit( ifp, aa, sat )
|
||||
rtaddr.s_net = AA_SAT( aa )->sat_addr.s_net;
|
||||
rtaddr.s_node = AA_SAT( aa )->sat_addr.s_node;
|
||||
rtmask.s_net = 0xffff;
|
||||
rtmask.s_node = 0xff;
|
||||
rtmask.s_node = 0x0;
|
||||
flags |= RTF_HOST;
|
||||
|
||||
error = aa_addsingleroute(&aa->aa_ifa, &rtaddr, &rtmask);
|
||||
|
||||
#endif
|
||||
} else {
|
||||
|
||||
#if 1
|
||||
error = rtinit(&aa->aa_ifa, RTM_ADD, flags);
|
||||
#else
|
||||
/* Install routes for our own network, and then also for
|
||||
all networks above and below it in the network range */
|
||||
|
||||
@ -454,10 +653,14 @@ at_ifinit( ifp, aa, sat )
|
||||
error = aa_addrangeroute(&aa->aa_ifa,
|
||||
ntohs(aa->aa_addr.sat_addr.s_net) + 1,
|
||||
ntohs(aa->aa_lastnet) + 1);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* of course if we can't add these routes we back out, but it's getting
|
||||
* risky by now XXX
|
||||
*/
|
||||
if ( error ) {
|
||||
aa->aa_addr = oldaddr;
|
||||
aa->aa_firstnet = onr.nr_firstnet;
|
||||
@ -466,30 +669,46 @@ at_ifinit( ifp, aa, sat )
|
||||
return( error );
|
||||
}
|
||||
|
||||
/*
|
||||
* note that the address has a route associated with it....
|
||||
*/
|
||||
aa->aa_ifa.ifa_flags |= IFA_ROUTE;
|
||||
aa->aa_flags |= AFA_ROUTE;
|
||||
splx( s );
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
* check whether a given address is a broadcast address for us..
|
||||
*/
|
||||
int
|
||||
at_broadcast( sat )
|
||||
struct sockaddr_at *sat;
|
||||
{
|
||||
struct at_ifaddr *aa;
|
||||
|
||||
/*
|
||||
* If the node is not right, it can't be a broadcast
|
||||
*/
|
||||
if ( sat->sat_addr.s_node != ATADDR_BCAST ) {
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
* If the node was right then if the net is right, it's a broadcast
|
||||
*/
|
||||
if ( sat->sat_addr.s_net == ATADDR_ANYNET ) {
|
||||
return( 1 );
|
||||
} else {
|
||||
for ( aa = at_ifaddr; aa; aa = aa->aa_next ) {
|
||||
if (( aa->aa_ifp->if_flags & IFF_BROADCAST ) &&
|
||||
( ntohs( sat->sat_addr.s_net ) >= ntohs( aa->aa_firstnet ) &&
|
||||
ntohs( sat->sat_addr.s_net ) <= ntohs( aa->aa_lastnet ))) {
|
||||
return( 1 );
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* failing that, if the net is one we have, it's a broadcast as well.
|
||||
*/
|
||||
for ( aa = at_ifaddr; aa; aa = aa->aa_next ) {
|
||||
if (( aa->aa_ifp->if_flags & IFF_BROADCAST )
|
||||
&& ( ntohs( sat->sat_addr.s_net ) >= ntohs( aa->aa_firstnet )
|
||||
&& ntohs( sat->sat_addr.s_net ) <= ntohs( aa->aa_lastnet ))) {
|
||||
return( 1 );
|
||||
}
|
||||
}
|
||||
return( 0 );
|
||||
@ -609,7 +828,7 @@ aa_delsingleroute(struct ifaddr *ifa,
|
||||
|
||||
error = aa_dosingleroute(ifa, addr, mask, RTM_DELETE, 0);
|
||||
if (error)
|
||||
printf("aa_delsingleroute: error %d\n", error);
|
||||
printf("aa_delsingleroute: error %d\n", error);
|
||||
return(error);
|
||||
}
|
||||
|
||||
@ -625,12 +844,15 @@ aa_dosingleroute(struct ifaddr *ifa,
|
||||
addr.sat_len = sizeof(struct sockaddr_at);
|
||||
addr.sat_addr.s_net = at_addr->s_net;
|
||||
addr.sat_addr.s_node = at_addr->s_node;
|
||||
mask.sat_family = AF_APPLETALK;
|
||||
mask.sat_len = sizeof(struct sockaddr_at);
|
||||
mask.sat_addr.s_net = at_mask->s_net;
|
||||
mask.sat_addr.s_node = at_mask->s_node;
|
||||
if (at_mask->s_node)
|
||||
flags |= RTF_HOST;
|
||||
return(rtrequest(cmd, (struct sockaddr *) &addr, ifa->ifa_addr,
|
||||
(struct sockaddr *) &mask, flags, NULL));
|
||||
return(rtrequest(cmd, (struct sockaddr *) &addr,
|
||||
(flags & RTF_HOST)?(ifa->ifa_dstaddr):(ifa->ifa_addr),
|
||||
(struct sockaddr *) &mask, flags, NULL));
|
||||
}
|
||||
|
||||
#if 0
|
||||
|
||||
Loading…
Reference in New Issue
Block a user