2 * $Id: nbp_lkup.c,v 1.3.2.1 2002-02-08 00:04:49 srittau Exp $
4 * Copyright (c) 1990,1997 Regents of The University of Michigan.
5 * All Rights Reserved. See COPYRIGHT.
10 #endif /* HAVE_CONFIG_H */
16 #include <sys/types.h>
17 #include <sys/param.h>
18 #include <sys/socket.h>
21 #include <netatalk/endian.h>
22 #include <netatalk/at.h>
23 #include <netatalk/ddp.h>
24 #include <atalk/compat.h>
25 #include <atalk/nbp.h>
26 #include <atalk/netddp.h>
27 #include <atalk/ddp.h>
31 #endif /* HAVE_NETDB_H */
35 /* FIXME/SOCKLEN_T: socklen_t is a unix98 feature. */
37 #define SOCKLEN_T unsigned int
38 #endif /* ! SOCKLEN_T */
40 int nbp_lookup( obj, type, zone, nn, nncnt, ataddr )
41 const char *obj, *type, *zone;
44 const struct at_addr *ataddr;
46 struct sockaddr_at addr, from;
47 struct timeval tv, tv_begin, tv_end;
53 char *data = nbp_send;
55 int s, cnt, tries, sc, cc, i, c;
57 memset(&addr, 0, sizeof(addr));
58 memset(&from, 0, sizeof(from));
60 memcpy(&addr.sat_addr, ataddr, sizeof(struct at_addr));
61 if ((s = netddp_open(&addr, &from)) < 0)
64 *data++ = DDPTYPE_NBP;
66 nh.nh_op = from.sat_addr.s_node ? NBPOP_BRRQ : NBPOP_LKUP;
67 #else /* MACOSX_SERVER */
68 nh.nh_op = NBPOP_BRRQ;
69 #endif /* MACOSX_SERVER */
73 memcpy( data, &nh, SZ_NBPHDR );
76 memset(&nt, 0, sizeof(nt));
77 nt.nt_net = addr.sat_addr.s_net;
78 nt.nt_node = addr.sat_addr.s_node;
79 nt.nt_port = addr.sat_port;
81 memcpy( data, &nt, SZ_NBPTUPLE);
85 if (( cc = strlen( obj )) > NBPSTRLEN ) goto lookup_err;
87 memcpy( data, obj, cc );
91 *data++ = '='; /* match anything */
95 if (( cc = strlen( type )) > NBPSTRLEN ) goto lookup_err;
97 memcpy( data, type, cc );
101 *data++ = '='; /* match anything */
105 if (( cc = strlen( zone )) > NBPSTRLEN ) goto lookup_err;
107 memcpy( data, zone, cc );
111 *data++ = '*'; /* default zone */
114 if ( nbp_port == 0 ) {
115 if (( se = getservbyname( "nbp", "ddp" )) == NULL ) {
118 nbp_port = ntohs( se->s_port );
123 if (from.sat_addr.s_node) {
124 memcpy(&addr.sat_addr, &from.sat_addr, sizeof(addr.sat_addr));
126 addr.sat_addr.s_net = ATADDR_ANYNET;
127 addr.sat_addr.s_node = ATADDR_BCAST;
129 #endif /* MACOSX_SERVER */
130 addr.sat_port = nbp_port;
134 sc = data - nbp_send;
135 while ( tries > 0 ) {
136 if ( netddp_sendto( s, nbp_send, sc, 0, (struct sockaddr *)&addr,
137 sizeof( struct sockaddr_at )) < 0 ) {
147 if ( gettimeofday( &tv_begin, NULL ) < 0 ) {
150 if (( c = select( s + 1, &fds, NULL, NULL, &tv )) < 0 ) {
153 if ( c == 0 || FD_ISSET( s, &fds ) == 0 ) {
156 if ( gettimeofday( &tv_end, NULL ) < 0 ) {
159 if ( tv_begin.tv_usec > tv_end.tv_sec ) {
160 tv_end.tv_usec += 1000000;
163 if (( tv.tv_usec -= ( tv_end.tv_usec - tv_begin.tv_usec )) < 0 ) {
164 tv.tv_usec += 1000000;
167 if (( tv.tv_sec -= ( tv_end.tv_sec - tv_begin.tv_sec )) < 0 ) {
171 namelen = sizeof( struct sockaddr_at );
172 if (( cc = netddp_recvfrom( s, nbp_recv, sizeof( nbp_recv ), 0,
173 (struct sockaddr *)&from, &namelen )) < 0 ) {
178 if ( *data++ != DDPTYPE_NBP ) {
183 memcpy( &nh, data, SZ_NBPHDR );
185 if ( nh.nh_op != NBPOP_LKUPREPLY ) {
190 while (( i = nbp_parse( data, &nve, cc )) >= 0 ) {
194 * Check to see if nve is already in nn. If not,
195 * put it in, and increment cnt.
197 for ( i = 0; i < cnt; i++ ) {
198 if ( nbp_match( &nve, &nn[ i ],
199 NBPMATCH_NOZONE|NBPMATCH_NOGLOB )) {
206 if ( cnt == nncnt ) {
211 if ( cnt == nncnt ) {