#include "nbp.h"
#include "multicast.h"
-extern int transition;
+extern int transition;
-struct nbptab *nbptab = NULL;
+struct nbptab *nbptab = NULL;
-static
+static
void nbp_ack( int fd, int nh_op, int nh_id, struct sockaddr_at *to)
{
- struct nbphdr nh;
- char *data, packet[ SZ_NBPHDR + 1 ];
+ struct nbphdr nh;
+ char *data, packet[ SZ_NBPHDR + 1 ];
nh.nh_op = nh_op;
nh.nh_cnt = 0;
memcpy( data, &nh, SZ_NBPHDR );
data += SZ_NBPHDR;
if ( sendto( fd, packet, data - packet, 0, (struct sockaddr *)to,
- sizeof( struct sockaddr_at )) < 0 ) {
- LOG(log_error, logtype_atalkd, "sendto: %s", strerror(errno) );
+ sizeof( struct sockaddr_at )) < 0 ) {
+ LOG(log_error, logtype_atalkd, "sendto: %s", strerror(errno) );
}
}
int nbp_packet(struct atport *ap, struct sockaddr_at *from, char *data, int len)
{
- struct nbphdr nh;
- struct nbptuple nt;
- struct nbpnve nn;
- struct sockaddr_at sat;
- struct nbptab *ntab;
- struct ziptab *zt=NULL;
- struct interface *iface;
- struct list *l;
- struct rtmptab *rtmp;
- char *end, *nbpop, *zonep, packet[ ATP_BUFSIZ ];
- int n, i, cc, locallkup;
- u_char tmplen;
+ struct nbphdr nh;
+ struct nbptuple nt;
+ struct nbpnve nn;
+ struct sockaddr_at sat;
+ struct nbptab *ntab;
+ struct ziptab *zt=NULL;
+ struct interface *iface;
+ struct list *l;
+ struct rtmptab *rtmp;
+ char *end, *nbpop, *zonep, packet[ ATP_BUFSIZ ];
+ int n, i, cc, locallkup;
+ u_char tmplen;
end = data + len;
if ( data >= end ) {
- LOG(log_info, logtype_atalkd, "nbp_packet malformed packet" );
- return 1;
+ LOG(log_info, logtype_atalkd, "nbp_packet malformed packet" );
+ return 1;
}
if ( *data++ != DDPTYPE_NBP ) {
- LOG(log_info, logtype_atalkd, "nbp_packet bad ddp type" );
- return 1;
+ LOG(log_info, logtype_atalkd, "nbp_packet bad ddp type" );
+ return 1;
}
if ( data + SZ_NBPHDR + SZ_NBPTUPLE > end ) {
- LOG(log_info, logtype_atalkd, "nbp_packet: malformed packet" );
- return 1;
+ LOG(log_info, logtype_atalkd, "nbp_packet: malformed packet" );
+ return 1;
}
memcpy( &nh, data, SZ_NBPHDR );
- nbpop = data; /* remember for fwd and brrq */
+ nbpop = data; /* remember for fwd and brrq */
data += SZ_NBPHDR;
if ( nh.nh_cnt != 1 ) {
- LOG(log_info, logtype_atalkd, "nbp_packet: bad tuple count (%d/%d)", nh.nh_cnt,
- nh.nh_op );
- return 1;
+ LOG(log_info, logtype_atalkd, "nbp_packet: bad tuple count (%d/%d)", nh.nh_cnt,
+ nh.nh_op );
+ return 1;
}
memcpy( &nt, data, SZ_NBPTUPLE );
/* object */
tmplen = (u_char) *data;
if ( data >= end || tmplen > 32 || data + tmplen > end ) {
- LOG(log_info, logtype_atalkd, "nbp_packet: malformed packet" );
- return 1;
+ LOG(log_info, logtype_atalkd, "nbp_packet: malformed packet" );
+ return 1;
}
nn.nn_objlen = tmplen;
data++;
/* type */
tmplen = (u_char) *data;
if ( data >= end || tmplen > 32 || data + tmplen > end ) {
- LOG(log_info, logtype_atalkd, "nbp_packet: malformed packet" );
- return 1;
+ LOG(log_info, logtype_atalkd, "nbp_packet: malformed packet" );
+ return 1;
}
nn.nn_typelen = tmplen;
data++;
/* zone */
tmplen = (u_char) *data;
if ( data >= end || tmplen > 32 || data + tmplen > end ) {
- LOG(log_info, logtype_atalkd, "nbp_packet: malformed packet" );
- return 1;
+ LOG(log_info, logtype_atalkd, "nbp_packet: malformed packet" );
+ return 1;
}
- zonep = data; /* remember for fwd */
+ zonep = data; /* remember for fwd */
nn.nn_zonelen = tmplen;
data++;
memcpy( nn.nn_zone, data, nn.nn_zonelen );
data += nn.nn_zonelen;
if ( data != end ) {
- LOG(log_info, logtype_atalkd, "nbp_packet: malformed packet" );
- return 1;
+ LOG(log_info, logtype_atalkd, "nbp_packet: malformed packet" );
+ return 1;
}
locallkup = 0;
switch ( nh.nh_op ) {
case NBPOP_RGSTR :
- /*
- * Find the ziptab entry for the zone we're trying to register in.
- */
- if ( nn.nn_zonelen == 0 ||
- ( nn.nn_zonelen == 1 && *nn.nn_zone == '*' )) {
- if ( interfaces->i_next->i_rt->rt_zt ) {
- zt = (struct ziptab *)interfaces->i_next->i_rt->rt_zt->l_data;
- } else {
- zt = NULL;
- }
- } else {
- for ( zt = ziptab; zt; zt = zt->zt_next ) {
- if ( zt->zt_len == nn.nn_zonelen && strndiacasecmp( zt->zt_name,
- nn.nn_zone, zt->zt_len ) == 0 ) {
- break;
- }
- }
- if ( zt == NULL ) {
- nbp_ack( ap->ap_fd, NBPOP_ERROR, (int)nh.nh_id, from );
- return 0;
- }
- }
-
- /*
- * Observe that we don't have to do any local-zone verification
- * if the zone aleady has a multicast address set.
- */
- if ( zt != NULL && zt->zt_bcast == NULL ) {
- /*
- * Check if zone is associated with any of our local interfaces.
- */
- for ( iface = interfaces; iface; iface = iface->i_next ) {
- for ( l = iface->i_rt->rt_zt; l; l = l->l_next ) {
- if ( zt == (struct ziptab *)l->l_data ) {
- break;
- }
- }
- if ( l != NULL ) {
- break;
- }
- }
- if ( iface == NULL ) {
- nbp_ack( ap->ap_fd, NBPOP_ERROR, (int)nh.nh_id, from );
- return 0;
- }
-
- /* calculate and save multicast address */
- if (zone_bcast(zt) < 0) {
- LOG(log_error, logtype_atalkd, "nbp_packet: zone_bcast");
- return -1;
- }
-
- for ( iface = interfaces; iface; iface = iface->i_next ) {
- if (( iface->i_flags & IFACE_PHASE2 ) == 0 ) {
- continue;
- }
- for ( l = iface->i_rt->rt_zt; l; l = l->l_next ) {
- if ( zt == (struct ziptab *)l->l_data ) {
- /* add multicast */
- if (addmulti(iface->i_name, zt->zt_bcast) < 0) {
- LOG(log_error, logtype_atalkd, "nbp_packet: addmulti: %s",
- strerror(errno) );
- return -1;
- }
- }
- }
- }
- }
-
- if (( ntab = (struct nbptab *)malloc( sizeof( struct nbptab )))
- == NULL ) {
- LOG(log_error, logtype_atalkd, "nbp_packet: malloc: %s", strerror(errno) );
- return -1;
- }
- memcpy( &ntab->nt_nve, &nn, sizeof( struct nbpnve ));
- ntab->nt_iface = ap->ap_iface;
- ntab->nt_next = nbptab;
- ntab->nt_prev = NULL;
- if ( nbptab ) {
- nbptab->nt_prev = ntab;
- }
- nbptab = ntab;
-
- nbp_ack( ap->ap_fd, NBPOP_OK, (int)nh.nh_id, from );
- break;
+ /*
+ * Find the ziptab entry for the zone we're trying to register in.
+ */
+ if ( nn.nn_zonelen == 0 ||
+ ( nn.nn_zonelen == 1 && *nn.nn_zone == '*' )) {
+ if ( interfaces->i_next->i_rt->rt_zt ) {
+ zt = (struct ziptab *)interfaces->i_next->i_rt->rt_zt->l_data;
+ } else {
+ zt = NULL;
+ }
+ } else {
+ for ( zt = ziptab; zt; zt = zt->zt_next ) {
+ if ( zt->zt_len == nn.nn_zonelen && strndiacasecmp( zt->zt_name,
+ nn.nn_zone, zt->zt_len ) == 0 ) {
+ break;
+ }
+ }
+ if ( zt == NULL ) {
+ nbp_ack( ap->ap_fd, NBPOP_ERROR, (int)nh.nh_id, from );
+ return 0;
+ }
+ }
+
+ /*
+ * Observe that we don't have to do any local-zone verification
+ * if the zone aleady has a multicast address set.
+ */
+ if ( zt != NULL && zt->zt_bcast == NULL ) {
+ /*
+ * Check if zone is associated with any of our local interfaces.
+ */
+ for ( iface = interfaces; iface; iface = iface->i_next ) {
+ for ( l = iface->i_rt->rt_zt; l; l = l->l_next ) {
+ if ( zt == (struct ziptab *)l->l_data ) {
+ break;
+ }
+ }
+ if ( l != NULL ) {
+ break;
+ }
+ }
+ if ( iface == NULL ) {
+ nbp_ack( ap->ap_fd, NBPOP_ERROR, (int)nh.nh_id, from );
+ return 0;
+ }
+
+ /* calculate and save multicast address */
+ if (zone_bcast(zt) < 0) {
+ LOG(log_error, logtype_atalkd, "nbp_packet: zone_bcast");
+ return -1;
+ }
+
+ for ( iface = interfaces; iface; iface = iface->i_next ) {
+ if (( iface->i_flags & IFACE_PHASE2 ) == 0 ) {
+ continue;
+ }
+ for ( l = iface->i_rt->rt_zt; l; l = l->l_next ) {
+ if ( zt == (struct ziptab *)l->l_data ) {
+ /* add multicast */
+ if (addmulti(iface->i_name, zt->zt_bcast) < 0) {
+ LOG(log_error, logtype_atalkd, "nbp_packet: addmulti: %s",
+ strerror(errno) );
+ return -1;
+ }
+ }
+ }
+ }
+ }
+
+ if (( ntab = (struct nbptab *)malloc( sizeof( struct nbptab )))
+ == NULL ) {
+ LOG(log_error, logtype_atalkd, "nbp_packet: malloc: %s", strerror(errno) );
+ return -1;
+ }
+ memcpy( &ntab->nt_nve, &nn, sizeof( struct nbpnve ));
+ ntab->nt_iface = ap->ap_iface;
+ ntab->nt_next = nbptab;
+ ntab->nt_prev = NULL;
+ if ( nbptab ) {
+ nbptab->nt_prev = ntab;
+ }
+ nbptab = ntab;
+
+ nbp_ack( ap->ap_fd, NBPOP_OK, (int)nh.nh_id, from );
+ break;
case NBPOP_UNRGSTR :
/* deal with local zone info */
if (( nn.nn_zonelen == 1 && *nn.nn_zone == '*' ) ||
- ( nn.nn_zonelen == 0 )) {
- locallkup = 1;
- if ( interfaces->i_next->i_rt->rt_zt ) {
- zt = (struct ziptab *)interfaces->i_next->i_rt->rt_zt->l_data;
- } else {
- zt = NULL;
- }
- }
-
- /* remove from our data, perhaps removing a multicast address */
- for ( ntab = nbptab; ntab; ntab = ntab->nt_next ) {
- if ( ntab->nt_nve.nn_objlen != nn.nn_objlen ||
- strndiacasecmp( ntab->nt_nve.nn_obj, nn.nn_obj,
- nn.nn_objlen )) {
- continue;
- }
- if ( ntab->nt_nve.nn_typelen != nn.nn_typelen ||
- strndiacasecmp( ntab->nt_nve.nn_type, nn.nn_type,
- nn.nn_typelen )) {
- continue;
- }
- /*
- * I *think* we really do check the zone, here.
- *
- * i changed it to better handle local zone cases as well.
- * -- asun
- */
-
- /* match local zones */
- if (locallkup) {
- /* ntab is also local zone */
- if (( ntab->nt_nve.nn_zonelen == 1 &&
- *ntab->nt_nve.nn_zone == '*' ) ||
- (ntab->nt_nve.nn_zonelen == 0))
- break;
-
- /* ntab is default zone */
- if (zt && (zt->zt_len == ntab->nt_nve.nn_zonelen) &&
- (strndiacasecmp(ntab->nt_nve.nn_zone, zt->zt_name,
- zt->zt_len) == 0)) {
- break;
- }
- }
-
- /* match particular zone */
- if ((ntab->nt_nve.nn_zonelen == nn.nn_zonelen) &&
- (strndiacasecmp( ntab->nt_nve.nn_zone, nn.nn_zone,
- nn.nn_zonelen ) == 0)) {
- break;
- }
- }
- if ( ntab == NULL ) {
- nbp_ack( ap->ap_fd, NBPOP_ERROR, (int)nh.nh_id, from );
- return 0;
- }
-
- if ( ntab->nt_next != NULL ) {
- ntab->nt_next->nt_prev = ntab->nt_prev;
- }
- if ( ntab->nt_prev != NULL ) {
- ntab->nt_prev->nt_next = ntab->nt_next;
- }
- if ( ntab == nbptab ) {
- nbptab = ntab->nt_next;
- }
-
- /*
- * Check for another nbptab entry with the same zone. If
- * there isn't one, find the ziptab entry for the zone and
- * remove the multicast address from the appropriate interfaces.
- * XXX
- */
-
- nbp_ack( ap->ap_fd, NBPOP_OK, (int)nh.nh_id, from );
- break;
+ ( nn.nn_zonelen == 0 )) {
+ locallkup = 1;
+ if ( interfaces->i_next->i_rt->rt_zt ) {
+ zt = (struct ziptab *)interfaces->i_next->i_rt->rt_zt->l_data;
+ } else {
+ zt = NULL;
+ }
+ }
+
+ /* remove from our data, perhaps removing a multicast address */
+ for ( ntab = nbptab; ntab; ntab = ntab->nt_next ) {
+ if ( ntab->nt_nve.nn_objlen != nn.nn_objlen ||
+ strndiacasecmp( ntab->nt_nve.nn_obj, nn.nn_obj,
+ nn.nn_objlen )) {
+ continue;
+ }
+ if ( ntab->nt_nve.nn_typelen != nn.nn_typelen ||
+ strndiacasecmp( ntab->nt_nve.nn_type, nn.nn_type,
+ nn.nn_typelen )) {
+ continue;
+ }
+ /*
+ * I *think* we really do check the zone, here.
+ *
+ * i changed it to better handle local zone cases as well.
+ * -- asun
+ */
+
+ /* match local zones */
+ if (locallkup) {
+ /* ntab is also local zone */
+ if (( ntab->nt_nve.nn_zonelen == 1 &&
+ *ntab->nt_nve.nn_zone == '*' ) ||
+ (ntab->nt_nve.nn_zonelen == 0))
+ break;
+
+ /* ntab is default zone */
+ if (zt && (zt->zt_len == ntab->nt_nve.nn_zonelen) &&
+ (strndiacasecmp(ntab->nt_nve.nn_zone, zt->zt_name,
+ zt->zt_len) == 0)) {
+ break;
+ }
+ }
+
+ /* match particular zone */
+ if ((ntab->nt_nve.nn_zonelen == nn.nn_zonelen) &&
+ (strndiacasecmp( ntab->nt_nve.nn_zone, nn.nn_zone,
+ nn.nn_zonelen ) == 0)) {
+ break;
+ }
+ }
+ if ( ntab == NULL ) {
+ nbp_ack( ap->ap_fd, NBPOP_ERROR, (int)nh.nh_id, from );
+ return 0;
+ }
+
+ if ( ntab->nt_next != NULL ) {
+ ntab->nt_next->nt_prev = ntab->nt_prev;
+ }
+ if ( ntab->nt_prev != NULL ) {
+ ntab->nt_prev->nt_next = ntab->nt_next;
+ }
+ if ( ntab == nbptab ) {
+ nbptab = ntab->nt_next;
+ }
+
+ /*
+ * Check for another nbptab entry with the same zone. If
+ * there isn't one, find the ziptab entry for the zone and
+ * remove the multicast address from the appropriate interfaces.
+ * XXX
+ */
+
+ nbp_ack( ap->ap_fd, NBPOP_OK, (int)nh.nh_id, from );
+ break;
case NBPOP_BRRQ :
- /*
- * Couple of things: 1. Unless we have the -t flag (which is sort
- * of a misnomer, since you need it if you're doing any phase 1
- * work), always send NBPOP_FWD. 2. If we get a zone of '*',
- * and we know what the sender meant by '*', we copy the real
- * zone into the packet.
- */
- if ( nn.nn_zonelen == 0 ||
- ( nn.nn_zonelen == 1 && *nn.nn_zone == '*' )) {
- iface = ap->ap_iface;
- if ( iface && iface->i_rt->rt_zt ) {
- zt = (struct ziptab *)iface->i_rt->rt_zt->l_data;
- } else if ( interfaces->i_next->i_rt->rt_zt ) {
- zt = (struct ziptab *)interfaces->i_next->i_rt->rt_zt->l_data;
- } else {
- zt = NULL;
- }
-
- /*
- * Copy zone into packet. Note that we're changing len, data, and
- * nbpop. Later, we'll use ( data - len ) to mean the beginning
- * of this packet.
- */
- if ( zt ) {
- memcpy( packet, data - len, len );
- nbpop = packet + ( len - ( data - nbpop ));
- data = packet + ( len - ( data - zonep ));
- *data++ = zt->zt_len;
- memcpy( data, zt->zt_name, zt->zt_len );
- data += zt->zt_len;
- len = data - packet;
- }
- } else {
- for ( zt = ziptab; zt; zt = zt->zt_next ) {
- if ( zt->zt_len == nn.nn_zonelen && strndiacasecmp( zt->zt_name,
- nn.nn_zone, zt->zt_len ) == 0 ) {
- break;
- }
- }
- if ( zt == NULL ) {
- nbp_ack( ap->ap_fd, NBPOP_ERROR, (int)nh.nh_id, from );
- return 0;
- }
- }
-
- /*
- * If we've got no zones, send out LKUP on the local net.
- * Otherwise, look through the zone table.
- */
- if ( zt == NULL ) {
+ /*
+ * Couple of things: 1. Unless we have the -t flag (which is sort
+ * of a misnomer, since you need it if you're doing any phase 1
+ * work), always send NBPOP_FWD. 2. If we get a zone of '*',
+ * and we know what the sender meant by '*', we copy the real
+ * zone into the packet.
+ */
+ if ( nn.nn_zonelen == 0 ||
+ ( nn.nn_zonelen == 1 && *nn.nn_zone == '*' )) {
+ iface = ap->ap_iface;
+ if ( iface && iface->i_rt->rt_zt ) {
+ zt = (struct ziptab *)iface->i_rt->rt_zt->l_data;
+ } else if ( interfaces->i_next->i_rt->rt_zt ) {
+ zt = (struct ziptab *)interfaces->i_next->i_rt->rt_zt->l_data;
+ } else {
+ zt = NULL;
+ }
+
+ /*
+ * Copy zone into packet. Note that we're changing len, data, and
+ * nbpop. Later, we'll use ( data - len ) to mean the beginning
+ * of this packet.
+ */
+ if ( zt ) {
+ memcpy( packet, data - len, len );
+ nbpop = packet + ( len - ( data - nbpop ));
+ data = packet + ( len - ( data - zonep ));
+ *data++ = zt->zt_len;
+ memcpy( data, zt->zt_name, zt->zt_len );
+ data += zt->zt_len;
+ len = data - packet;
+ }
+ } else {
+ for ( zt = ziptab; zt; zt = zt->zt_next ) {
+ if ( zt->zt_len == nn.nn_zonelen && strndiacasecmp( zt->zt_name,
+ nn.nn_zone, zt->zt_len ) == 0 ) {
+ break;
+ }
+ }
+ if ( zt == NULL ) {
+ nbp_ack( ap->ap_fd, NBPOP_ERROR, (int)nh.nh_id, from );
+ return 0;
+ }
+ }
+
+ /*
+ * If we've got no zones, send out LKUP on the local net.
+ * Otherwise, look through the zone table.
+ */
+ if ( zt == NULL ) {
#ifdef BSD4_4
- sat.sat_len = sizeof( struct sockaddr_at );
+ sat.sat_len = sizeof( struct sockaddr_at );
#endif /* BSD4_4 */
- sat.sat_family = AF_APPLETALK;
- sat.sat_port = ap->ap_port;
-
- nh.nh_op = NBPOP_LKUP;
- memcpy( nbpop, &nh, SZ_NBPHDR );
- sat.sat_addr.s_net = 0; /* XXX */
- sat.sat_addr.s_node = ATADDR_BCAST;
-
- /* Find the first non-loopback ap */
- for ( iface = interfaces; iface; iface = iface->i_next ) {
- if ((( iface->i_flags & IFACE_LOOPBACK ) == 0) &&
- (iface == ap->ap_iface ||
- (iface->i_flags & IFACE_ISROUTER))) {
- break;
- }
- }
- if ( iface == NULL ) {
- return 0;
- }
- for ( ap = iface->i_ports; ap; ap = ap->ap_next ) {
- if ( ap->ap_packet == nbp_packet ) {
- break;
- }
- }
-
- if ( sendto( ap->ap_fd, data - len, len, 0, (struct sockaddr *)&sat,
- sizeof( struct sockaddr_at )) < 0 ) {
- LOG(log_error, logtype_atalkd, "nbp brrq sendto: %s", strerror(errno) );
- }
-
- locallkup = 1;
- } else {
+ sat.sat_family = AF_APPLETALK;
+ sat.sat_port = ap->ap_port;
+
+ nh.nh_op = NBPOP_LKUP;
+ memcpy( nbpop, &nh, SZ_NBPHDR );
+ sat.sat_addr.s_net = 0; /* XXX */
+ sat.sat_addr.s_node = ATADDR_BCAST;
+
+ /* Find the first non-loopback ap */
+ for ( iface = interfaces; iface; iface = iface->i_next ) {
+ if ((( iface->i_flags & IFACE_LOOPBACK ) == 0) &&
+ (iface == ap->ap_iface ||
+ (iface->i_flags & IFACE_ISROUTER))) {
+ break;
+ }
+ }
+ if ( iface == NULL ) {
+ return 0;
+ }
+ for ( ap = iface->i_ports; ap; ap = ap->ap_next ) {
+ if ( ap->ap_packet == nbp_packet ) {
+ break;
+ }
+ }
+
+ if ( sendto( ap->ap_fd, data - len, len, 0, (struct sockaddr *)&sat,
+ sizeof( struct sockaddr_at )) < 0 ) {
+ LOG(log_error, logtype_atalkd, "nbp brrq sendto: %s", strerror(errno) );
+ }
+
+ locallkup = 1;
+ } else {
#ifdef BSD4_4
- sat.sat_len = sizeof( struct sockaddr_at );
+ sat.sat_len = sizeof( struct sockaddr_at );
#endif /* BSD4_4 */
- sat.sat_family = AF_APPLETALK;
- sat.sat_port = ap->ap_port;
- for ( l = zt->zt_rt; l; l = l->l_next ) {
- rtmp = (struct rtmptab *)l->l_data;
-
- if ( rtmp->rt_gate == NULL ) {
- for ( iface = interfaces; iface;
- iface = iface->i_next ) {
- if ( iface->i_rt == rtmp ) {
- break;
- }
- }
- if ( !iface ) {
- LOG(log_error, logtype_atalkd, "nbp_packet: \
+ sat.sat_family = AF_APPLETALK;
+ sat.sat_port = ap->ap_port;
+ for ( l = zt->zt_rt; l; l = l->l_next ) {
+ rtmp = (struct rtmptab *)l->l_data;
+
+ if ( rtmp->rt_gate == NULL ) {
+ for ( iface = interfaces; iface;
+ iface = iface->i_next ) {
+ if ( iface->i_rt == rtmp ) {
+ break;
+ }
+ }
+ if ( !iface ) {
+ LOG(log_error, logtype_atalkd, "nbp_packet: \
Can't find route's interface!" );
- return -1;
- }
- ap = iface->i_ports;
- } else {
- ap = rtmp->rt_gate->g_iface->i_ports;
- }
- for ( ; ap; ap = ap->ap_next ) {
- if ( ap->ap_packet == nbp_packet ) {
- break;
- }
- }
- if ( !ap ) {
- LOG(log_error, logtype_atalkd, "nbp_packet: Can't find port!" );
- return -1;
- }
-
- if ( transition &&
- ( rtmp->rt_flags & RTMPTAB_EXTENDED ) == 0 ) {
- if ( rtmp->rt_gate == NULL ) {
- locallkup = 1;
- }
- nh.nh_op = NBPOP_LKUP;
- memcpy( nbpop, &nh, SZ_NBPHDR );
- sat.sat_addr.s_net = rtmp->rt_firstnet;
- sat.sat_addr.s_node = ATADDR_BCAST;
- } else {
- if ( rtmp->rt_gate == NULL ) {
- nh.nh_op = NBPOP_LKUP;
- memcpy( nbpop, &nh, SZ_NBPHDR );
- sat.sat_addr.s_net = 0;
- sat.sat_addr.s_node = ATADDR_BCAST;
- locallkup = 1;
- } else {
- nh.nh_op = NBPOP_FWD;
- memcpy( nbpop, &nh, SZ_NBPHDR );
- sat.sat_addr.s_net = rtmp->rt_firstnet;
- sat.sat_addr.s_node = 0;
- }
- }
-
- if ( sendto( ap->ap_fd, data - len, len, 0,
- (struct sockaddr *)&sat,
- sizeof( struct sockaddr_at )) < 0 ) {
- LOG(log_error, logtype_atalkd, "nbp brrq sendto %u.%u: %s",
- ntohs( sat.sat_addr.s_net ), sat.sat_addr.s_node,
- strerror(errno) );
- continue;
- }
- }
- }
-
- if ( !locallkup ) {
- break;
- }
- /*FALL THROUGH*/
+ return -1;
+ }
+ ap = iface->i_ports;
+ } else {
+ ap = rtmp->rt_gate->g_iface->i_ports;
+ }
+ for ( ; ap; ap = ap->ap_next ) {
+ if ( ap->ap_packet == nbp_packet ) {
+ break;
+ }
+ }
+ if ( !ap ) {
+ LOG(log_error, logtype_atalkd, "nbp_packet: Can't find port!" );
+ return -1;
+ }
+
+ if ( transition &&
+ ( rtmp->rt_flags & RTMPTAB_EXTENDED ) == 0 ) {
+ if ( rtmp->rt_gate == NULL ) {
+ locallkup = 1;
+ }
+ nh.nh_op = NBPOP_LKUP;
+ memcpy( nbpop, &nh, SZ_NBPHDR );
+ sat.sat_addr.s_net = rtmp->rt_firstnet;
+ sat.sat_addr.s_node = ATADDR_BCAST;
+ } else {
+ if ( rtmp->rt_gate == NULL ) {
+ nh.nh_op = NBPOP_LKUP;
+ memcpy( nbpop, &nh, SZ_NBPHDR );
+ sat.sat_addr.s_net = 0;
+ sat.sat_addr.s_node = ATADDR_BCAST;
+ locallkup = 1;
+ } else {
+ nh.nh_op = NBPOP_FWD;
+ memcpy( nbpop, &nh, SZ_NBPHDR );
+ sat.sat_addr.s_net = rtmp->rt_firstnet;
+ sat.sat_addr.s_node = 0;
+ }
+ }
+
+ if ( sendto( ap->ap_fd, data - len, len, 0,
+ (struct sockaddr *)&sat,
+ sizeof( struct sockaddr_at )) < 0 ) {
+ LOG(log_error, logtype_atalkd, "nbp brrq sendto %u.%u: %s",
+ ntohs( sat.sat_addr.s_net ), sat.sat_addr.s_node,
+ strerror(errno) );
+ continue;
+ }
+ }
+ }
+
+ if ( !locallkup ) {
+ break;
+ }
+ /*FALL THROUGH*/
case NBPOP_FWD :
/* send lkup on net. we need to make sure we're a router. */
if ( !locallkup && (ap->ap_iface->i_flags & IFACE_ISROUTER)) {
- nh.nh_op = NBPOP_LKUP;
- memcpy( nbpop, &nh, SZ_NBPHDR );
- from->sat_addr.s_net = 0;
- from->sat_addr.s_node = ATADDR_BCAST;
- if ( sendto( ap->ap_fd, data - len, len, 0, (struct sockaddr *)from,
- sizeof( struct sockaddr_at )) < 0 ) {
- LOG(log_error, logtype_atalkd, "nbp fwd sendto %u.%u: %s",
- ntohs( from->sat_addr.s_net ), from->sat_addr.s_node,
- strerror(errno) );
- return 0;
- }
- }
- /*FALL THROUGH*/
+ nh.nh_op = NBPOP_LKUP;
+ memcpy( nbpop, &nh, SZ_NBPHDR );
+ from->sat_addr.s_net = 0;
+ from->sat_addr.s_node = ATADDR_BCAST;
+ if ( sendto( ap->ap_fd, data - len, len, 0, (struct sockaddr *)from,
+ sizeof( struct sockaddr_at )) < 0 ) {
+ LOG(log_error, logtype_atalkd, "nbp fwd sendto %u.%u: %s",
+ ntohs( from->sat_addr.s_net ), from->sat_addr.s_node,
+ strerror(errno) );
+ return 0;
+ }
+ }
+ /*FALL THROUGH*/
case NBPOP_LKUP :
- /* search our data */
- n = i = 0;
- data = packet + 1 + SZ_NBPHDR;
- end = packet + sizeof( packet );
-
- for ( ntab = nbptab; ntab; ntab = ntab->nt_next ) {
- /* don't send out entries if we don't want to route. */
- if ((ap->ap_iface != ntab->nt_iface) &&
- (ntab->nt_iface->i_flags & IFACE_ISROUTER) == 0) {
- continue;
- }
-
- if ( nn.nn_objlen != 1 || *nn.nn_obj != '=' ) {
- if ( ntab->nt_nve.nn_objlen != nn.nn_objlen ||
- strndiacasecmp( ntab->nt_nve.nn_obj, nn.nn_obj,
- nn.nn_objlen )) {
- continue;
- }
- }
-
- if ( nn.nn_typelen != 1 || *nn.nn_type != '=' ) {
- if ( ntab->nt_nve.nn_typelen != nn.nn_typelen ||
- strndiacasecmp( ntab->nt_nve.nn_type, nn.nn_type,
- nn.nn_typelen )) {
- continue;
- }
- }
-
- if ( nn.nn_zonelen != 0 &&
- ( nn.nn_zonelen != 1 || *nn.nn_zone != '*' )) {
- if ( ntab->nt_nve.nn_zonelen == 0 ||
- ( ntab->nt_nve.nn_zonelen == 1 &&
- *ntab->nt_nve.nn_zone == '*' )) {
- if ( interfaces->i_next->i_rt->rt_zt ) {
- zt = (struct ziptab *)interfaces->i_next->i_rt->
- rt_zt->l_data;
- if ( zt->zt_len != nn.nn_zonelen ||
- strndiacasecmp( zt->zt_name, nn.nn_zone,
- zt->zt_len )) {
- continue;
- }
- }
- } else {
- if ( ntab->nt_nve.nn_zonelen != nn.nn_zonelen ||
- strndiacasecmp( ntab->nt_nve.nn_zone, nn.nn_zone,
- nn.nn_zonelen )) {
- continue;
- }
- }
- }
-
- /*
- * Another tuple won't fit. Send what we've already
- * got, and start the next packet.
- */
- if ( n > 14 || data + SZ_NBPTUPLE + 3 + ntab->nt_nve.nn_objlen +
- ntab->nt_nve.nn_typelen + ntab->nt_nve.nn_zonelen > end ) {
- nh.nh_op = NBPOP_LKUPREPLY;
- nh.nh_cnt = n;
- cc = data - packet;
- data = packet;
- *data++ = DDPTYPE_NBP;
- memcpy( data, &nh, SZ_NBPHDR );
-
- if ( sendto( ap->ap_fd, packet, cc, 0,
- (struct sockaddr *)&nn.nn_sat,
- sizeof( struct sockaddr_at )) < 0 ) {
- LOG(log_error, logtype_atalkd, "nbp lkup sendto %u.%u: %s",
- ntohs( nn.nn_sat.sat_addr.s_net ),
- nn.nn_sat.sat_addr.s_node,
- strerror(errno) );
- return 0;
- }
-
- n = 0;
- data = packet + 1 + SZ_NBPHDR;
- end = packet + sizeof( packet );
- }
-
- nt.nt_net = ntab->nt_nve.nn_sat.sat_addr.s_net;
- nt.nt_node = ntab->nt_nve.nn_sat.sat_addr.s_node;
- nt.nt_port = ntab->nt_nve.nn_sat.sat_port;
- /*
- * Right now, we'll just give each name a unique enum. In
- * the future, we might need to actually assign and save
- * an enum, based on the associated address. For the moment,
- * the enums will be unique and constant, since the order
- * is fixed.
- */
- nt.nt_enum = i++;
-
- memcpy( data, &nt, SZ_NBPTUPLE );
- data += SZ_NBPTUPLE;
-
- *data++ = ntab->nt_nve.nn_objlen;
- memcpy( data, ntab->nt_nve.nn_obj, ntab->nt_nve.nn_objlen );
- data += ntab->nt_nve.nn_objlen;
-
- *data++ = ntab->nt_nve.nn_typelen;
- memcpy(data, ntab->nt_nve.nn_type, ntab->nt_nve.nn_typelen );
- data += ntab->nt_nve.nn_typelen;
-
- /*
- * Macs won't see something with a zone of 0 length. We
- * will always return '*' instead. Perhaps we should
- * unconditionally return the real zone?
- */
- if ( ntab->nt_nve.nn_zonelen ) {
- *data++ = ntab->nt_nve.nn_zonelen;
- memcpy( data, ntab->nt_nve.nn_zone, ntab->nt_nve.nn_zonelen );
- data += ntab->nt_nve.nn_zonelen;
- } else {
- *data++ = 1;
- *data++ = '*';
- }
-
- n++;
- }
-
- if ( n != 0 ) {
- nh.nh_op = NBPOP_LKUPREPLY;
- nh.nh_cnt = n;
- cc = data - packet;
- data = packet;
- *data++ = DDPTYPE_NBP;
- memcpy( data, &nh, SZ_NBPHDR );
-
- if ( sendto( ap->ap_fd, packet, cc, 0,
- (struct sockaddr *)&nn.nn_sat,
- sizeof( struct sockaddr_at )) < 0 ) {
- LOG(log_error, logtype_atalkd, "nbp lkup sendto %u.%u: %s",
- ntohs( nn.nn_sat.sat_addr.s_net ),
- nn.nn_sat.sat_addr.s_node,
- strerror(errno) );
- return 0;
- }
- }
- break;
+ /* search our data */
+ n = i = 0;
+ data = packet + 1 + SZ_NBPHDR;
+ end = packet + sizeof( packet );
+
+ for ( ntab = nbptab; ntab; ntab = ntab->nt_next ) {
+ /* don't send out entries if we don't want to route. */
+ if ((ap->ap_iface != ntab->nt_iface) &&
+ (ntab->nt_iface->i_flags & IFACE_ISROUTER) == 0) {
+ continue;
+ }
+
+ if ( nn.nn_objlen != 1 || *nn.nn_obj != '=' ) {
+ if ( ntab->nt_nve.nn_objlen != nn.nn_objlen ||
+ strndiacasecmp( ntab->nt_nve.nn_obj, nn.nn_obj,
+ nn.nn_objlen )) {
+ continue;
+ }
+ }
+
+ if ( nn.nn_typelen != 1 || *nn.nn_type != '=' ) {
+ if ( ntab->nt_nve.nn_typelen != nn.nn_typelen ||
+ strndiacasecmp( ntab->nt_nve.nn_type, nn.nn_type,
+ nn.nn_typelen )) {
+ continue;
+ }
+ }
+
+ if ( nn.nn_zonelen != 0 &&
+ ( nn.nn_zonelen != 1 || *nn.nn_zone != '*' )) {
+ if ( ntab->nt_nve.nn_zonelen == 0 ||
+ ( ntab->nt_nve.nn_zonelen == 1 &&
+ *ntab->nt_nve.nn_zone == '*' )) {
+ if ( interfaces->i_next->i_rt->rt_zt ) {
+ zt = (struct ziptab *)interfaces->i_next->i_rt->
+ rt_zt->l_data;
+ if ( zt->zt_len != nn.nn_zonelen ||
+ strndiacasecmp( zt->zt_name, nn.nn_zone,
+ zt->zt_len )) {
+ continue;
+ }
+ }
+ } else {
+ if ( ntab->nt_nve.nn_zonelen != nn.nn_zonelen ||
+ strndiacasecmp( ntab->nt_nve.nn_zone, nn.nn_zone,
+ nn.nn_zonelen )) {
+ continue;
+ }
+ }
+ }
+
+ /*
+ * Another tuple won't fit. Send what we've already
+ * got, and start the next packet.
+ */
+ if ( n > 14 || data + SZ_NBPTUPLE + 3 + ntab->nt_nve.nn_objlen +
+ ntab->nt_nve.nn_typelen + ntab->nt_nve.nn_zonelen > end ) {
+ nh.nh_op = NBPOP_LKUPREPLY;
+ nh.nh_cnt = n;
+ cc = data - packet;
+ data = packet;
+ *data++ = DDPTYPE_NBP;
+ memcpy( data, &nh, SZ_NBPHDR );
+
+ if ( sendto( ap->ap_fd, packet, cc, 0,
+ (struct sockaddr *)&nn.nn_sat,
+ sizeof( struct sockaddr_at )) < 0 ) {
+ LOG(log_error, logtype_atalkd, "nbp lkup sendto %u.%u: %s",
+ ntohs( nn.nn_sat.sat_addr.s_net ),
+ nn.nn_sat.sat_addr.s_node,
+ strerror(errno) );
+ return 0;
+ }
+
+ n = 0;
+ data = packet + 1 + SZ_NBPHDR;
+ end = packet + sizeof( packet );
+ }
+
+ nt.nt_net = ntab->nt_nve.nn_sat.sat_addr.s_net;
+ nt.nt_node = ntab->nt_nve.nn_sat.sat_addr.s_node;
+ nt.nt_port = ntab->nt_nve.nn_sat.sat_port;
+ /*
+ * Right now, we'll just give each name a unique enum. In
+ * the future, we might need to actually assign and save
+ * an enum, based on the associated address. For the moment,
+ * the enums will be unique and constant, since the order
+ * is fixed.
+ */
+ nt.nt_enum = i++;
+
+ memcpy( data, &nt, SZ_NBPTUPLE );
+ data += SZ_NBPTUPLE;
+
+ *data++ = ntab->nt_nve.nn_objlen;
+ memcpy( data, ntab->nt_nve.nn_obj, ntab->nt_nve.nn_objlen );
+ data += ntab->nt_nve.nn_objlen;
+
+ *data++ = ntab->nt_nve.nn_typelen;
+ memcpy(data, ntab->nt_nve.nn_type, ntab->nt_nve.nn_typelen );
+ data += ntab->nt_nve.nn_typelen;
+
+ /*
+ * Macs won't see something with a zone of 0 length. We
+ * will always return '*' instead. Perhaps we should
+ * unconditionally return the real zone?
+ */
+ if ( ntab->nt_nve.nn_zonelen ) {
+ *data++ = ntab->nt_nve.nn_zonelen;
+ memcpy( data, ntab->nt_nve.nn_zone, ntab->nt_nve.nn_zonelen );
+ data += ntab->nt_nve.nn_zonelen;
+ } else {
+ *data++ = 1;
+ *data++ = '*';
+ }
+
+ n++;
+ }
+
+ if ( n != 0 ) {
+ nh.nh_op = NBPOP_LKUPREPLY;
+ nh.nh_cnt = n;
+ cc = data - packet;
+ data = packet;
+ *data++ = DDPTYPE_NBP;
+ memcpy( data, &nh, SZ_NBPHDR );
+
+ if ( sendto( ap->ap_fd, packet, cc, 0,
+ (struct sockaddr *)&nn.nn_sat,
+ sizeof( struct sockaddr_at )) < 0 ) {
+ LOG(log_error, logtype_atalkd, "nbp lkup sendto %u.%u: %s",
+ ntohs( nn.nn_sat.sat_addr.s_net ),
+ nn.nn_sat.sat_addr.s_node,
+ strerror(errno) );
+ return 0;
+ }
+ }
+ break;
default :
- LOG(log_info, logtype_atalkd, "nbp_packet: bad op (%d)", nh.nh_op );
- return 1;
+ LOG(log_info, logtype_atalkd, "nbp_packet: bad op (%d)", nh.nh_op );
+ return 1;
}
return 0;
projects / netatalk.git / commitdiff