/*
- * $Id: main.c,v 1.20 2009-10-13 22:55:37 didg Exp $
+ * $Id: main.c,v 1.25 2009-12-13 02:21:47 didg Exp $
*
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
extern int aep_packet(struct atport *ap, struct sockaddr_at *from, char *data, int len);
int rtfd;
+int transition = 0;
+int stabletimer, newrtmpdata = 0;
static struct atserv atserv[] = {
{ "rtmp", 1, rtmp_packet }, /* 0 */
struct interface *interfaces = NULL, *ciface = NULL;
-int debug = 0, quiet = 0, chatty = 0;
-char *configfile = NULL;
-int ziptimeout = 0, transition = 0;
-int stabletimer, stable = 0, newrtmpdata = 0, noparent = 0;
-static int ninterfaces;
-int defphase = IFACE_PHASE2;
-int nfds = 0;
-fd_set fds;
-char Packet[ PKTSZ ];
-char *version = VERSION;
-static char *pidfile = _PATH_ATALKDLOCK;
+static int debug = 0, quiet = 0, chatty = 0;
+static char *configfile = NULL;
+static int ziptimeout = 0;
+static int stable = 0, noparent = 0;
+static int ninterfaces;
+static int defphase = IFACE_PHASE2;
+static int nfds = 0;
+static fd_set fds;
+static char Packet[ PKTSZ ];
+static char *version = VERSION;
+static char *pidfile = _PATH_ATALKDLOCK;
/* from config.c */
exit(i);
}
+/* XXX need better error handling for gone interfaces, delete routes and so on
+ * moreover there's no way to put an interface back short of restarting atalkd
+ * thus after the first time, silently fail
+*/
+static ssize_t sendto_iface(struct interface *iface, int sockfd, const void *buf, size_t len,
+ const struct sockaddr_at *dest_addr)
+{
+ ssize_t ret = sendto( sockfd, buf, len, 0, (struct sockaddr *)dest_addr, sizeof( struct sockaddr_at ));
+
+ if (ret < 0 ) {
+ if (!(iface->i_flags & IFACE_ERROR)) {
+ LOG(log_error, logtype_atalkd, "as_timer sendto %u.%u (%u): %s",
+ ntohs( dest_addr->sat_addr.s_net ),
+ dest_addr->sat_addr.s_node,
+ ntohs( iface->i_rt->rt_firstnet ),
+ strerror(errno) );
+ }
+ iface->i_flags |= IFACE_ERROR;
+ }
+ else {
+ iface->i_flags &= ~IFACE_ERROR;
+ }
+ return ret;
+}
static void as_timer(int sig _U_)
{
ap=zap=rap=NULL;
memset(&sat, 0, sizeof( struct sockaddr_at ));
+
for ( iface = interfaces; iface; iface = iface->i_next ) {
if ( iface->i_flags & IFACE_LOOPBACK ) {
continue;
}
}
- if (( iface->i_flags & ( IFACE_ADDR|IFACE_CONFIG|IFACE_NOROUTER )) ==
- IFACE_ADDR ) {
+ if (( iface->i_flags & ( IFACE_ADDR|IFACE_CONFIG|IFACE_NOROUTER )) == IFACE_ADDR ) {
if ( iface->i_time < 3 ) {
if ( iface->i_flags & IFACE_PHASE1 ) {
if (rtmp_request( iface ) < 0) {
* No seed info, and we've got multiple interfaces.
* Wait forever.
*/
- LOG(log_info, logtype_atalkd,
- "as_timer multiple interfaces, no seed" );
- LOG(log_info, logtype_atalkd, "as_timer can't configure %s",
- iface->i_name );
+ LOG(log_info, logtype_atalkd, "as_timer multiple interfaces, no seed" );
+ LOG(log_info, logtype_atalkd, "as_timer can't configure %s", iface->i_name );
LOG(log_info, logtype_atalkd, "as_timer waiting for router" );
iface->i_time = 0;
continue;
*/
iface->i_flags |= IFACE_CONFIG;
for ( zt = iface->i_czt; zt; zt = zt->zt_next ) {
- if (addzone( iface->i_rt, zt->zt_len,
- zt->zt_name) < 0) {
+ if (addzone( iface->i_rt, zt->zt_len, zt->zt_name) < 0) {
LOG(log_error, logtype_atalkd, "addzone: %s", strerror(errno));
atalkd_exit(1);
}
iface->i_rt->rt_flags |= RTMPTAB_HASZONES;
}
if ( iface->i_flags & IFACE_PHASE1 ) {
- LOG(log_info, logtype_atalkd,
- "as_timer configured %s phase 1 from seed",
- iface->i_name );
+ LOG(log_info, logtype_atalkd, "as_timer configured %s phase 1 from seed", iface->i_name );
setaddr( iface, IFACE_PHASE1,
iface->i_caddr.sat_addr.s_net,
iface->i_addr.sat_addr.s_node,
iface->i_caddr.sat_addr.s_net,
iface->i_caddr.sat_addr.s_net );
} else {
- LOG(log_info, logtype_atalkd,
- "as_timer configured %s phase 2 from seed",
- iface->i_name );
+ LOG(log_info, logtype_atalkd, "as_timer configured %s phase 2 from seed", iface->i_name );
}
if ( looproute( iface, RTMP_ADD )) { /* -1 or 1 */
- LOG(log_error, logtype_atalkd,
- "as_timer: can't route %u.%u to loop: %s",
- ntohs( iface->i_addr.sat_addr.s_net ),
- iface->i_addr.sat_addr.s_node,
- strerror(errno) );
+ LOG(log_error, logtype_atalkd, "as_timer: can't route %u.%u to loop: %s",
+ ntohs( iface->i_addr.sat_addr.s_net ),
+ iface->i_addr.sat_addr.s_node, strerror(errno) );
atalkd_exit( 1 );
}
if ( iface == ciface ) {
if ( iface->i_flags & IFACE_PHASE2 ) {
iface->i_rt->rt_firstnet = 0;
iface->i_rt->rt_lastnet = htons( STARTUP_LASTNET );
- setaddr( iface, IFACE_PHASE2,
- iface->i_addr.sat_addr.s_net,
- iface->i_addr.sat_addr.s_node,
+ setaddr( iface, IFACE_PHASE2, iface->i_addr.sat_addr.s_net, iface->i_addr.sat_addr.s_node,
0, htons( STARTUP_LASTNET ));
}
if ( looproute( iface, RTMP_ADD ) ) { /* -1 or 1 */
- LOG(log_error, logtype_atalkd,
- "as_timer: can't route %u.%u to loopback: %s",
- ntohs( iface->i_addr.sat_addr.s_net ),
- iface->i_addr.sat_addr.s_node,
+ LOG(log_error, logtype_atalkd, "as_timer: can't route %u.%u to loopback: %s",
+ ntohs( iface->i_addr.sat_addr.s_net ), iface->i_addr.sat_addr.s_node,
strerror(errno) );
atalkd_exit( 1 );
}
* our zone has gone away.
*/
if ( ++gate->g_state >= RTMPTAB_BAD ) {
- LOG(log_info, logtype_atalkd, "as_timer gateway %u.%u down",
- ntohs( gate->g_sat.sat_addr.s_net ),
+ LOG(log_info, logtype_atalkd, "as_timer gateway %u.%u down", ntohs( gate->g_sat.sat_addr.s_net ),
gate->g_sat.sat_addr.s_node );
rtmp = gate->g_rt;
while ( rtmp ) {
frtmp = rtmp->rt_next;
- if ( rtmp->rt_hops == RTMPHOPS_POISON ||
- rtmp->rt_iprev == 0 ) {
+ if ( rtmp->rt_hops == RTMPHOPS_POISON || rtmp->rt_iprev == NULL ) {
rtmp_free( rtmp );
} else {
rtmp->rt_hops = RTMPHOPS_POISON;
}
rtmp = frtmp;
}
- if ( gate->g_rt == 0 ) {
- if ( gate->g_prev == 0 ) {
+ if ( gate->g_rt == NULL ) {
+ if ( gate->g_prev == NULL ) {
gate->g_iface->i_gate = gate->g_next;
} else {
gate->g_prev->g_next = gate->g_next;
}
- if ( gate->g_next != 0 ) {
+ if ( gate->g_next != NULL ) {
gate->g_next->g_prev = gate->g_prev;
}
fgate = gate; /* can't free here, just mark it */
* if we're not a seed router.
*/
- if ( gate->g_iface->i_gate == 0 &&
- ((iface->i_flags & IFACE_SEED) == 0)) {
+ if ( gate->g_iface->i_gate == NULL && ((iface->i_flags & IFACE_SEED) == 0)) {
gate->g_iface->i_flags |= IFACE_NOROUTER;
gate->g_iface->i_flags &= ~IFACE_CONFIG;
*/
if ( rtmp->rt_state >= RTMPTAB_BAD ) {
frtmp = rtmp->rt_next;
- if ( rtmp->rt_iprev == 0 ) { /* not in use */
+ if ( rtmp->rt_iprev == NULL ) { /* not in use */
rtmp_free( rtmp );
} else { /* in use */
if ( rtmp->rt_hops == RTMPHOPS_POISON ) {
/*
* Do ZIP lookups.
*/
- if ( rtmp->rt_iprev &&
- ( rtmp->rt_flags & RTMPTAB_HASZONES ) == 0 ) {
+ if ( rtmp->rt_iprev && ( rtmp->rt_flags & RTMPTAB_HASZONES ) == 0 ) {
if ( data + sizeof( u_short ) > end || n == 255 ) {
/* send what we've got */
zh.zh_op = ZIPOP_QUERY;
*data++ = DDPTYPE_ZIP;
memcpy( data, &zh, sizeof( struct ziphdr ));
- if ( sendto( zap->ap_fd, packet, cc, 0,
- (struct sockaddr *)&sat,
- sizeof( struct sockaddr_at )) < 0 ) {
- LOG(log_error, logtype_atalkd, "as_timer sendto: %s", strerror(errno) );
- }
+ sendto_iface(iface, zap->ap_fd, packet, cc, &sat);
sentzipq = 1;
n = 0;
* ask about, and warn that we can't get it's zone.
*/
if ( rtmp->rt_nzq++ == 3 ) {
- LOG(log_info, logtype_atalkd, "as_timer can't get zone for %u",
- ntohs( rtmp->rt_firstnet ));
+ LOG(log_info, logtype_atalkd, "as_timer can't get zone for %u", ntohs( rtmp->rt_firstnet ));
}
if ( rtmp->rt_nzq > 3 ) {
if ( ziptimeout ) {
*data++ = DDPTYPE_ZIP;
memcpy( data, &zh, sizeof( struct ziphdr ));
- if ( sendto( zap->ap_fd, packet, cc, 0, (struct sockaddr *)&sat,
- sizeof( struct sockaddr_at )) < 0 ) {
- LOG(log_error, logtype_atalkd, "as_timer sendto: %s", strerror(errno) );
- }
+ sendto_iface( iface, zap->ap_fd, packet, cc, &sat);
}
}
if ( fgate ) {
*/
for ( rtmp = iface2->i_rt; rtmp; rtmp = rtmp->rt_inext ) {
/* don't broadcast routes we have no zone for */
- if ( rtmp->rt_zt == 0 ||
+ if ( rtmp->rt_zt == NULL ||
( rtmp->rt_flags & RTMPTAB_ZIPQUERY ) ||
( rtmp->rt_flags & RTMPTAB_HASZONES ) == 0 ) {
continue;
}
+ /* split horizon */
+ if (rtmp->rt_iface == iface) {
+ continue;
+ }
+
if ((( rtmp->rt_flags & RTMPTAB_EXTENDED ) &&
data + 2 * SZ_RTMPTUPLE > end ) ||
data + SZ_RTMPTUPLE > end ) {
- if ( sendto( rap->ap_fd, packet, data - packet, 0,
- (struct sockaddr *)&sat,
- sizeof( struct sockaddr_at )) < 0 ) {
- LOG(log_error, logtype_atalkd, "as_timer sendto %u.%u (%u): %s",
- ntohs( sat.sat_addr.s_net ),
- sat.sat_addr.s_node,
- ntohs( iface->i_rt->rt_firstnet ),
- strerror(errno) );
- }
+
+ sendto_iface(iface,rap->ap_fd, packet, data - packet, &sat);
if ( iface->i_flags & IFACE_PHASE2 ) {
- data = packet + 1 + sizeof( struct rtmp_head ) +
- 2 * SZ_RTMPTUPLE;
+ data = packet + 1 + sizeof( struct rtmp_head ) + 2 * SZ_RTMPTUPLE;
} else {
- data = packet + 1 + sizeof( struct rtmp_head ) +
- SZ_RTMPTUPLE;
+ data = packet + 1 + sizeof( struct rtmp_head ) + SZ_RTMPTUPLE;
}
n = 0;
}
/* send rest */
if ( n ) {
- if ( sendto( rap->ap_fd, packet, data - packet, 0,
- (struct sockaddr *)&sat,
- sizeof( struct sockaddr_at )) < 0 ) {
- LOG(log_error, logtype_atalkd, "as_timer sendto %u.%u (%u): %s",
- ntohs( sat.sat_addr.s_net ),
- sat.sat_addr.s_node,
- ntohs( iface->i_rt->rt_firstnet ),
- strerror(errno) );
- }
+ sendto_iface(iface, rap->ap_fd, packet, data - packet, &sat);
}
}
}
}
#endif /* DEBUG */
-void
+static void
as_debug(int sig _U_)
{
struct interface *iface;
/*
* Called when SIGTERM is recieved. Remove all routes and then exit.
*/
-void
+static void
as_down(int sig _U_)
{
struct interface *iface;
*/
void bootaddr(struct interface *iface)
{
- if ( iface == 0 ) {
+ if ( iface == NULL ) {
return;
}
projects / netatalk.git / blobdiff