/*
- * $Id: rtmp.c,v 1.7 2001-08-03 22:12:54 srittau Exp $
+ * $Id: rtmp.c,v 1.17 2009-12-08 03:21:16 didg Exp $
*
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
#include <stdlib.h>
#include <string.h>
-#include <sys/syslog.h>
+#include <errno.h>
+#include <atalk/logger.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
+#ifdef TRU64
+#include <sys/mbuf.h>
+#include <net/route.h>
+#endif /* TRU64 */
#include <net/if.h>
#include <net/route.h>
#include <netatalk/endian.h>
#include "route.h"
#include "main.h"
-void rtmp_delzonemap(rtmp)
- struct rtmptab *rtmp;
+void rtmp_delzonemap(struct rtmptab *rtmp)
{
struct list *lz, *flz, *lr, *flr;
struct ziptab *zt;
/*
* Complete configuration for phase 1 interface using RTMP information.
*/
-static int rtmp_config( rh, iface )
- struct rtmp_head *rh;
- struct interface *iface;
+static int rtmp_config( struct rtmp_head *rh, struct interface *iface)
{
extern int stabletimer;
int cc;
* configuration with RTMP.
*/
if ( iface->i_flags & IFACE_PHASE2 ) {
- syslog( LOG_INFO, "rtmp_config ignoring data" );
+ LOG(log_info, logtype_atalkd, "rtmp_config ignoring data" );
return 0;
}
if ( rh->rh_net != iface->i_addr.sat_addr.s_net ) {
if (( iface->i_flags & IFACE_SEED ) &&
rh->rh_net != iface->i_caddr.sat_addr.s_net) {
- syslog( LOG_ERR, "rtmp_config net mismatch %u != %u",
+ LOG(log_error, logtype_atalkd, "rtmp_config net mismatch %u != %u",
ntohs( rh->rh_net ),
ntohs( iface->i_addr.sat_addr.s_net ));
return 1;
return -1;
if (cc) {
- syslog( LOG_ERR, "rtmp_config: can't route %u.%u to loopback: %m",
+ LOG(log_error, logtype_atalkd, "rtmp_config: can't route %u.%u to loopback: %s",
ntohs( iface->i_addr.sat_addr.s_net ),
- iface->i_addr.sat_addr.s_node );
+ iface->i_addr.sat_addr.s_node,
+ strerror(errno) );
}
- syslog( LOG_INFO, "rtmp_config configured %s", iface->i_name );
+ LOG(log_info, logtype_atalkd, "rtmp_config configured %s", iface->i_name );
iface->i_flags |= IFACE_CONFIG;
if ( iface == ciface ) {
ciface = ciface->i_next;
* Delete rtmp from the per-interface in-use table, remove all
* zone references, and remove the route from the kernel.
*/
-static void rtmp_delinuse( rtmp )
- struct rtmptab *rtmp;
+static void rtmp_delinuse(struct rtmptab *rtmp)
{
struct rtmptab *irt;
/*
* Add rtmp to the per-interface in-use table. No verification is done...
*/
-static void rtmp_addinuse( rtmp )
- struct rtmptab *rtmp;
+static void rtmp_addinuse( struct rtmptab *rtmp)
{
struct rtmptab *irt;
* at this point? What do we do if we get several copies of a route in
* an RTMP packet?
*/
-static int rtmp_copyzones( to, from )
- struct rtmptab *to, *from;
+static int rtmp_copyzones( struct rtmptab *to,struct rtmptab *from)
{
struct list *lz, *lr;
}
}
if ( lr == NULL ) {
- syslog( LOG_ERR, "rtmp_copyzones z -> r without r -> z, abort" );
+ LOG(log_error, logtype_atalkd, "rtmp_copyzones z -> r without r -> z, abort" );
return -1;
}
}
* Remove rtmp from the in-use table and the per-gate table.
* Free any associated space.
*/
-void rtmp_free( rtmp )
- struct rtmptab *rtmp;
+void rtmp_free( struct rtmptab *rtmp)
{
struct gate *gate;
- syslog(LOG_INFO, "rtmp_free: %u-%u", ntohs(rtmp->rt_firstnet),
+ LOG(log_info, logtype_atalkd, "rtmp_free: %u-%u", ntohs(rtmp->rt_firstnet),
ntohs(rtmp->rt_lastnet));
if ( rtmp->rt_iprev ) {
rtmp_delinuse( rtmp );
* Find a replacement for "replace". If we can't find a replacement,
* return 1. If we do find a replacement, return 0. -1 on error.
*/
-int rtmp_replace( replace )
- struct rtmptab *replace;
+int rtmp_replace(struct rtmptab *replace)
{
struct interface *iface;
struct gate *gate;
struct rtmptab *rtmp, *found = NULL;
- syslog(LOG_INFO, "rtmp_replace %u-%u", ntohs(replace->rt_firstnet),
+ LOG(log_info, logtype_atalkd, "rtmp_replace %u-%u", ntohs(replace->rt_firstnet),
ntohs(replace->rt_lastnet));
for ( iface = interfaces; iface; iface = iface->i_next ) {
if ((replace->rt_iface != iface) &&
}
-static int rtmp_new( rtmp )
- struct rtmptab *rtmp;
+static int rtmp_new(struct rtmptab *rtmp)
{
struct interface *i;
struct rtmptab *r;
if ( i ) { /* can we get here without r being set? */
if ( r->rt_firstnet != rtmp->rt_firstnet ||
r->rt_lastnet != rtmp->rt_lastnet ) {
- syslog( LOG_INFO, "rtmp_new netrange mismatch %u-%u != %u-%u",
+ LOG(log_info, logtype_atalkd, "rtmp_new netrange mismatch %u-%u != %u-%u",
ntohs( r->rt_firstnet ), ntohs( r->rt_lastnet ),
ntohs( rtmp->rt_firstnet ), ntohs( rtmp->rt_lastnet ));
return 1;
}
-int rtmp_packet( ap, from, data, len )
- struct atport *ap;
- struct sockaddr_at *from;
- char *data;
- int len;
+int rtmp_packet(struct atport *ap, struct sockaddr_at *from, char *data, int len)
{
struct rtmp_head rh;
struct rtmp_tuple rt, xrt;
struct gate *gate;
struct interface *iface;
+ struct interface *iface2;
struct rtmptab *rtmp;
char *end, packet[ ATP_BUFSIZ ];
int cc;
end = data + len;
if ( data >= end ) {
- syslog( LOG_INFO, "rtmp_packet no data" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet no data" );
return 1;
}
iface = ap->ap_iface;
+ /* linux 2.6 sends broadcast queries to the first available socket
+ (in our case the last configured)
+ try to find the right one.
+ Note: now a misconfigured or plugged router can broadcast
+ a wrong route
+ */
+ for ( iface2 = interfaces; iface2; iface2 = iface2->i_next ) {
+ if ( iface2->i_rt && from->sat_addr.s_net >= iface2->i_rt->rt_firstnet &&
+ from->sat_addr.s_net <= iface2->i_rt->rt_lastnet)
+ {
+ iface = iface2;
+ }
+ }
+ /* end of linux 2.6 workaround */
+
/* ignore our own packets */
if ( from->sat_addr.s_net == iface->i_addr.sat_addr.s_net &&
from->sat_addr.s_node == iface->i_addr.sat_addr.s_node ) {
* Response and Data.
*/
if ( data + sizeof( struct rtmprdhdr ) > end ) {
- syslog( LOG_INFO, "rtmp_packet no data header" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet no data header" );
return 1;
}
memcpy( &rh, data, sizeof( struct rtmprdhdr ));
/* check rh address against from address */
if ( rh.rh_nodelen != 8 ) {
- syslog( LOG_INFO, "rtmp_packet bad node len (%d)", rh.rh_nodelen );
+ LOG(log_info, logtype_atalkd, "rtmp_packet bad node len (%d)", rh.rh_nodelen );
return 1;
}
if (( from->sat_addr.s_net != 0 &&
from->sat_addr.s_net != rh.rh_net ) ||
from->sat_addr.s_node != rh.rh_node ) {
- syslog( LOG_INFO, "rtmp_packet address mismatch" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet address mismatch" );
return 1;
}
if ( iface->i_flags & IFACE_NOROUTER ) {
/* remove addr to loopback route */
if ((cc = looproute( iface, RTMP_DEL )) < 0) {
- syslog(LOG_ERR, "rtmp_packet: looproute");
+ LOG(log_error, logtype_atalkd, "rtmp_packet: looproute");
return -1;
}
if (cc)
- syslog( LOG_ERR, "rtmp_packet: can't remove loopback: %m" );
+ LOG(log_error, logtype_atalkd, "rtmp_packet: can't remove loopback: %s",
+ strerror(errno) );
iface->i_flags &= ~IFACE_NOROUTER;
iface->i_time = 0;
- syslog( LOG_INFO, "rtmp_packet router has become available" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet router has become available" );
}
if ( iface->i_flags & IFACE_PHASE1 ) {
if (rtmp_config( &rh, iface ) < 0) {
- syslog(LOG_ERR, "rtmp_packet: rtmp_config");
+ LOG(log_error, logtype_atalkd, "rtmp_packet: rtmp_config");
return -1;
}
} else if (zip_getnetinfo( iface ) < 0) {
- syslog(LOG_ERR, "rtmp_packet: zip_getnetinfo");
+ LOG(log_error, logtype_atalkd, "rtmp_packet: zip_getnetinfo");
return -1;
}
return 0;
* Parse first tuple. For phase 2, verify that net is correct.
*/
if ( data + SZ_RTMPTUPLE > end ) {
- syslog( LOG_INFO, "rtmp_packet missing first tuple" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet missing first tuple" );
return 1;
}
memcpy( &rt, data, SZ_RTMPTUPLE );
if ( rt.rt_net == 0 ) {
if ( rt.rt_dist != 0x82 ) {
- syslog( LOG_INFO, "rtmp_packet bad phase 1 version" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet bad phase 1 version" );
return 1;
}
* no extended tuples in this packet.
*/
if ( data + SZ_RTMPTUPLE > end ) {
- syslog( LOG_INFO, "rtmp_packet missing second tuple" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet missing second tuple" );
return 1;
}
memcpy( &rt, data, SZ_RTMPTUPLE );
data += SZ_RTMPTUPLE;
} else if ( rt.rt_dist & 0x80 ) {
if ( data + SZ_RTMPTUPLE > end ) {
- syslog( LOG_INFO, "rtmp_packet missing first range-end" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet missing first range-end" );
return 1;
}
memcpy( &xrt, data, SZ_RTMPTUPLE );
data += SZ_RTMPTUPLE;
if ( xrt.rt_dist != 0x82 ) {
- syslog( LOG_INFO, "rtmp_packet bad phase 2 version" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet bad phase 2 version" );
return 1;
}
*/
if ( rt.rt_net != iface->i_rt->rt_firstnet ||
xrt.rt_net != iface->i_rt->rt_lastnet ) {
- syslog( LOG_INFO, "rtmp_packet interface mismatch" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet interface mismatch" );
return 1;
}
} else {
* might just as well check it.
if ( rt.rt_net != iface->i_rt->rt_firstnet ||
rt.rt_net != iface->i_rt->rt_lastnet ) {
- syslog( LOG_INFO, "rtmp_packet phase 1 interface mismatch" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet phase 1 interface mismatch" );
return 1;
}
*/
#else /* PHASE1NET */
- syslog( LOG_INFO, "rtmp_packet bad first tuple" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet bad first tuple" );
return 1;
#endif /* PHASE1NET */
}
}
}
if ( !gate ) { /* new gateway */
- if (( gate = (struct gate *)malloc( sizeof( struct gate ))) == 0 ) {
- syslog( LOG_ERR, "rtmp_packet: malloc: %m" );
+ if (( gate = (struct gate *)malloc( sizeof( struct gate ))) == NULL ) {
+ LOG(log_error, logtype_atalkd, "rtmp_packet: malloc: %s", strerror(errno) );
return -1;
}
gate->g_next = iface->i_gate;
- gate->g_prev = 0;
- gate->g_rt = 0;
+ gate->g_prev = NULL;
+ gate->g_rt = NULL;
gate->g_iface = iface; /* need this? */
gate->g_sat = *from;
if ( iface->i_gate ) {
iface->i_gate->g_prev = gate;
}
iface->i_gate = gate;
- syslog( LOG_INFO, "rtmp_packet gateway %u.%u up",
+ LOG(log_info, logtype_atalkd, "rtmp_packet gateway %u.%u up",
ntohs( gate->g_sat.sat_addr.s_net ),
gate->g_sat.sat_addr.s_node );
}
* ugly.)
*/
if ( rtmp->rt_firstnet != rt.rt_net ) {
- syslog( LOG_INFO, "rtmp_packet firstnet mismatch %u!=%u",
+ LOG(log_info, logtype_atalkd, "rtmp_packet firstnet mismatch %u!=%u",
ntohs( rtmp->rt_firstnet ), ntohs( rt.rt_net ));
return 1;
}
if ( rt.rt_dist & 0x80 ) {
if (( rtmp->rt_flags & RTMPTAB_EXTENDED ) == 0 ) {
- syslog( LOG_INFO, "rtmp_packet extended mismatch %u",
+ LOG(log_info, logtype_atalkd, "rtmp_packet extended mismatch %u",
ntohs( rtmp->rt_firstnet ));
return 1;
}
if ( rtmp->rt_lastnet != xrt.rt_net ) {
- syslog( LOG_INFO, "rtmp_packet lastnet mismatch %u!=%u",
+ LOG(log_info, logtype_atalkd, "rtmp_packet lastnet mismatch %u!=%u",
ntohs( rtmp->rt_lastnet ), ntohs( xrt.rt_net ));
return 1;
}
} else {
if ( rtmp->rt_flags & RTMPTAB_EXTENDED ) {
- syslog( LOG_INFO, "rtmp_packet !extended mismatch %u",
+ LOG(log_info, logtype_atalkd, "rtmp_packet !extended mismatch %u",
ntohs( rtmp->rt_firstnet ));
return 1;
}
if ( rtmp->rt_lastnet != rt.rt_net ) {
- syslog( LOG_INFO, "rtmp_packet lastnet mismatch %u!=%u",
+ LOG(log_info, logtype_atalkd, "rtmp_packet lastnet mismatch %u!=%u",
ntohs( rtmp->rt_lastnet ), ntohs( rt.rt_net ));
return 1;
}
rtmp->rt_hops = ( rt.rt_dist & 0x7f ) + 1;
}
if (rtmp_replace( rtmp ) < 0) {
- syslog(LOG_ERR, "rtmp_packet: rtmp_replace");
+ LOG(log_error, logtype_atalkd, "rtmp_packet: rtmp_replace");
return -1;
}
}
rtmp->rt_hops = ( rt.rt_dist & 0x7f ) + 1;
if ( rtmp->rt_hops > ( rt.rt_dist & 0x7f ) + 1 ) {
if (rtmp_new( rtmp ) < 0) {
- syslog(LOG_ERR, "rtmp_packet: rtmp_new");
+ LOG(log_error, logtype_atalkd, "rtmp_packet: rtmp_new");
return -1;
}
}
* we're not likely to be asked for the same tuple twice
* in a row.
*/
- if ( rtmp->rt_next != 0 ) {
+ if ( rtmp->rt_next != NULL ) {
gate->g_rt->rt_prev->rt_next = gate->g_rt;
gate->g_rt = rtmp->rt_next;
- rtmp->rt_next = 0;
+ rtmp->rt_next = NULL;
}
} else if (( rt.rt_dist & 0x7f ) + 1 > RTMPHOPS_MAX ) {
- syslog( LOG_INFO, "rtmp_packet bad hop count from %u.%u for %u",
+ LOG(log_info, logtype_atalkd, "rtmp_packet bad hop count from %u.%u for %u",
ntohs( from->sat_addr.s_net ), from->sat_addr.s_node,
ntohs( rt.rt_net ));
} else { /* new for router */
if (( rtmp = newrt(iface)) == NULL ) {
- syslog( LOG_ERR, "rtmp_packet: newrt: %m" );
+ LOG(log_error, logtype_atalkd, "rtmp_packet: newrt: %s", strerror(errno) );
return -1;
}
rtmp->rt_firstnet = rt.rt_net;
/*
* Add rtmptab entry to end of list (leave head alone).
*/
- if ( gate->g_rt == 0 ) {
+ if ( gate->g_rt == NULL ) {
rtmp->rt_prev = rtmp;
gate->g_rt = rtmp;
} else {
}
if (rtmp_new( rtmp ) < 0) {
- syslog(LOG_ERR, "rtmp_packet: rtmp_new");
+ LOG(log_error, logtype_atalkd, "rtmp_packet: rtmp_new");
return -1;
}
}
data += SZ_RTMPTUPLE;
if ( rt.rt_dist & 0x80 ) {
if ( data + SZ_RTMPTUPLE > end ) {
- syslog( LOG_INFO, "rtmp_packet missing range-end" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet missing range-end" );
return 1;
}
memcpy( &xrt, data, SZ_RTMPTUPLE );
* Make sure we've processed the whole packet.
*/
if ( data != end ) {
- syslog( LOG_INFO, "rtmp_packet length and count mismatch" );
+ LOG(log_info, logtype_atalkd, "rtmp_packet length and count mismatch" );
}
break;
* Request and RDR.
*/
if (((iface->i_flags & IFACE_ISROUTER) == 0) ||
- iface->i_rt->rt_zt == 0 ||
+ iface->i_rt->rt_zt == NULL ||
( iface->i_flags & IFACE_CONFIG ) == 0 ) {
return 0;
}
if ( sendto( ap->ap_fd, packet, data - packet, 0,
(struct sockaddr *)from,
sizeof( struct sockaddr_at )) < 0 ) {
- syslog( LOG_ERR, "as_timer sendto: %m" );
+ LOG(log_error, logtype_atalkd, "as_timer sendto: %s", strerror(errno) );
}
} else if ( *data == 2 || *data == 3 ) {
#ifdef DEBUG
from->sat_addr.s_node );
#endif /* DEBUG */
} else {
- syslog( LOG_INFO, "rtmp_packet unknown request from %u.%u\n",
+ LOG(log_info, logtype_atalkd, "rtmp_packet unknown request from %u.%u",
ntohs( from->sat_addr.s_net ), from->sat_addr.s_node );
}
break;
default :
- syslog( LOG_INFO, "rtmp_packet bad ddp type from %u.%u",
+ LOG(log_info, logtype_atalkd, "rtmp_packet bad ddp type from %u.%u",
ntohs( from->sat_addr.s_net ), from->sat_addr.s_node );
return 0;
}
return 0;
}
-int rtmp_request( iface )
- struct interface *iface;
+int rtmp_request( struct interface *iface)
{
struct sockaddr_at sat;
struct atport *ap;
char *data, packet[ 2 ];
- syslog( LOG_INFO, "rtmp_request for %s", iface->i_name );
+ LOG(log_info, logtype_atalkd, "rtmp_request for %s", iface->i_name );
for ( ap = iface->i_ports; ap; ap = ap->ap_next ) {
if ( ap->ap_packet == rtmp_packet ) {
break;
}
}
- if ( ap == 0 ) {
- syslog( LOG_ERR, "rtmp_request can't find rtmp socket!" );
+ if ( ap == NULL ) {
+ LOG(log_error, logtype_atalkd, "rtmp_request can't find rtmp socket!" );
return -1;
}
sat.sat_port = ap->ap_port;
if ( sendto( ap->ap_fd, packet, data - packet, 0, (struct sockaddr *)&sat,
sizeof( struct sockaddr_at )) < 0 ) {
- syslog( LOG_ERR, "rtmp_request sendto: %m" );
+ LOG(log_error, logtype_atalkd, "rtmp_request sendto: %s", strerror(errno) );
return -1;
}
return 0;
}
-int looproute( iface, cmd )
- struct interface *iface;
- unsigned int cmd;
+int looproute(struct interface *iface, unsigned int cmd)
{
struct sockaddr_at dst, loop;
if ( cmd == RTMP_DEL && ( iface->i_flags & IFACE_LOOP ) == 0 ) {
- syslog( LOG_ERR, "looproute panic no route" );
+ LOG(log_error, logtype_atalkd, "looproute panic no route" );
return -1;
}
if ( cmd == RTMP_ADD && ( iface->i_flags & IFACE_LOOP )) {
- syslog( LOG_ERR, "looproute panic two routes" );
+ LOG(log_error, logtype_atalkd, "looproute panic two routes" );
return -1;
}
return( 0 );
}
-int gateroute( command, rtmp )
- unsigned int command;
- struct rtmptab *rtmp;
+int gateroute(unsigned int command, struct rtmptab *rtmp)
{
struct sockaddr_at dst, gate;
unsigned short net;
(struct sockaddr *) &dst,
(struct sockaddr *) &gate,
RTF_UP | RTF_GATEWAY )) {
- syslog( LOG_ERR, "route: %u -> %u.%u: %m", net,
- ntohs( gate.sat_addr.s_net ), gate.sat_addr.s_node );
+ LOG(log_error, logtype_atalkd, "route: %u -> %u.%u: %s", net,
+ ntohs( gate.sat_addr.s_net ), gate.sat_addr.s_node,
+ strerror(errno) );
continue;
}
#else /* ! BSD4_4 */
(struct sockaddr_at *) &dst,
(struct sockaddr_at *) &gate,
RTF_UP | RTF_GATEWAY )) {
- syslog( LOG_ERR, "route: %u -> %u.%u: %m", net,
- ntohs( gate.sat_addr.s_net ), gate.sat_addr.s_node );
+ LOG(log_error, logtype_atalkd, "route: %u -> %u.%u: %s", net,
+ ntohs( gate.sat_addr.s_net ), gate.sat_addr.s_node, strerror(errno) );
continue;
}
#endif /* ! BSD4_4 */
{
struct rtmptab *rtmp;
- if (( rtmp = (struct rtmptab *)calloc(1, sizeof(struct rtmptab))) == 0 ) {
- return( 0 );
+ if (( rtmp = (struct rtmptab *)calloc(1, sizeof(struct rtmptab))) == NULL ) {
+ return( NULL );
}
rtmp->rt_iface = iface;
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