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-rw-r--r--lib/libncp/sap.c301
1 files changed, 0 insertions, 301 deletions
diff --git a/lib/libncp/sap.c b/lib/libncp/sap.c
deleted file mode 100644
index c7f8da1..0000000
--- a/lib/libncp/sap.c
+++ /dev/null
@@ -1,301 +0,0 @@
-/*
- * Copyright (c) 1999, Boris Popov
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of any co-contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <arpa/inet.h>
-#include <netipx/ipx.h>
-#include <errno.h>
-#include <unistd.h>
-#include "ipxsap.h"
-
-/*
- * TODO: These should go to ipx headers
- */
-#define ipx_set_net(x,y) ((x).x_net.s_net[0] = (y).x_net.s_net[0]); \
- ((x).x_net.s_net[1]=(y).x_net.s_net[1])
-#define ipx_set_nullnet(x) ((x).x_net.s_net[0]=0); ((x).x_net.s_net[1]=0)
-#define ipx_set_nullhost(x) ((x).x_host.s_host[0] = 0); \
- ((x).x_host.s_host[1] = 0); ((x).x_host.s_host[2] = 0)
-#define ipx_set_wildnet(x) ((x).x_net.s_net[0] = 0xFFFF); \
- ((x).x_net.s_net[1]=0xFFFF)
-#define ipx_set_wildhost(x) ((x).x_host.s_host[0] = 0xFFFF); \
- ((x).x_host.s_host[1] = 0xFFFF); ((x).x_host.s_host[2] = 0xFFFF);
-
-
-static struct sap_packet* sap_packet_alloc(int entries);
-static int sap_size(int entries, u_short operation);
-int (*sap_sendto_func)(void*,int,struct sockaddr_ipx*,int sock)=NULL;
-
-static int
-sap_sendto(void* buffer, int size, struct sockaddr_ipx* daddr, int sock)
-{
- if (sap_sendto_func)
- return sap_sendto_func(buffer,size,daddr,sock);
- return sendto(sock, (char*)buffer, size, 0,
- (struct sockaddr*)daddr, sizeof(*daddr));
-}
-
-static struct sap_packet*
-sap_packet_alloc(int entries)
-{
- if (entries > IPX_SAP_MAX_ENTRIES)
- return NULL;
- return
- (struct sap_packet*)malloc(sap_size(entries, IPX_SAP_GENERAL_RESPONSE));
-}
-
-static int
-sap_size(int entries, u_short operation)
-{
- if (entries <= 0)
- return 0;
- switch (operation) {
- case IPX_SAP_GENERAL_QUERY:
- return entries == 1 ? IPX_SAP_REQUEST_LEN : 0;
- case IPX_SAP_GENERAL_RESPONSE:
- if (entries > IPX_SAP_MAX_ENTRIES)
- return 0;
- return sizeof(struct sap_packet) + (entries - 1) * sizeof(struct sap_entry);
- case IPX_SAP_NEAREST_QUERY:
- return entries == 1 ? IPX_SAP_REQUEST_LEN : 0;
- case IPX_SAP_NEAREST_RESPONSE:
- return entries == 1 ? sizeof(struct sap_packet) : 0;
- default:
- return 0;
- }
-}
-
-void
-sap_copyname(char *dest, const char *src)
-{
- bzero(dest, IPX_SAP_SERVER_NAME_LEN);
- strncpy(dest, src, IPX_SAP_SERVER_NAME_LEN - 1);
-}
-
-int
-sap_rq_init(struct sap_rq* rq, int sock)
-{
- rq->buffer = sap_packet_alloc(IPX_SAP_MAX_ENTRIES);
- if (rq->buffer == NULL)
- return 0;
- rq->entries = 0;
- rq->buffer->operation = htons(IPX_SAP_GENERAL_QUERY);
- rq->dest_addr.sipx_family = AF_IPX;
- rq->dest_addr.sipx_len = sizeof(struct sockaddr_ipx);
- rq->sock = sock;
- return 1;
-}
-
-int
-sap_rq_flush(struct sap_rq* rq)
-{
- int result;
-
- if (rq->entries == 0)
- return 0;
- result = sap_sendto(rq->buffer,
- sap_size(rq->entries, ntohs(rq->buffer->operation)),
- &rq->dest_addr, rq->sock);
- rq->entries = 0;
- return result;
-}
-
-void
-sap_rq_general_query(struct sap_rq* rq, u_short ser_type)
-{
- struct sap_entry* sep;
-
- sap_rq_flush(rq);
- rq->buffer->operation = htons(IPX_SAP_GENERAL_QUERY);
- sep = rq->buffer->sap_entries + rq->entries++;
- sep->server_type = htons(ser_type);
-}
-
-void
-sap_rq_gns_request(struct sap_rq* rq, u_short ser_type)
-{
- struct sap_entry* sep;
-
- sap_rq_flush(rq);
- rq->buffer->operation = htons(IPX_SAP_NEAREST_QUERY);
- sep = rq->buffer->sap_entries + rq->entries++;
- sep->server_type = htons(ser_type);
-}
-
-void
-sap_rq_general_response(struct sap_rq* rq,u_short type,char *name,struct sockaddr_ipx* addr, u_short hops,int down_allow)
-{
- struct sap_entry* sep;
-
- if (hops >= IPX_SAP_SERVER_DOWN && !down_allow) return;
- if (rq->entries >= IPX_SAP_MAX_ENTRIES)
- sap_rq_flush(rq);
- if (rq->buffer->operation != htons(IPX_SAP_GENERAL_RESPONSE)){
- sap_rq_flush(rq);
- rq->buffer->operation = htons(IPX_SAP_GENERAL_RESPONSE);
- }
- sep = rq->buffer->sap_entries + rq->entries;
- sep->server_type = htons(type);
- sap_copyname(sep->server_name, name);
- memcpy(&sep->ipx, &addr->sipx_addr, sizeof(struct ipx_addr));
- sep->hops = htons(hops);
- rq->entries++;
-}
-
-void
-sap_rq_gns_response(struct sap_rq* rq,u_short type,char *name,struct sockaddr_ipx* addr,u_short hops)
-{
- struct sap_entry* sep;
-
- if (hops >= IPX_SAP_SERVER_DOWN) return;
- sap_rq_flush(rq);
- rq->buffer->operation = htons(IPX_SAP_NEAREST_RESPONSE);
- sep = rq->buffer->sap_entries + rq->entries;
- sep->server_type = htons(type);
- sap_copyname(sep->server_name, name);
- memcpy(&sep->ipx, &addr->sipx_addr, sizeof(struct ipx_addr));
- sep->hops = htons(hops);
- rq->entries++;
-}
-
-void
-sap_rq_set_destination(struct sap_rq* rq,struct ipx_addr *dest)
-{
- sap_rq_flush(rq);
- memcpy(&rq->dest_addr.sipx_addr,dest,sizeof(struct ipx_addr));
-}
-
-int
-sap_getsock(int *rsock) {
- struct sockaddr_ipx sap_addr;
- int opt, sock, slen;
-
- sock = socket(AF_IPX, SOCK_DGRAM, 0);
- if (sock < 0)
- return (errno);
- slen = sizeof(sap_addr);
- bzero(&sap_addr, slen);
- sap_addr.sipx_family = AF_IPX;
- sap_addr.sipx_len = slen;
- if (bind(sock, (struct sockaddr*)&sap_addr, slen) == -1) {
- close(sock);
- return(errno);
- }
- opt = 1;
- if (setsockopt(sock, SOL_SOCKET, SO_BROADCAST, &opt, sizeof(opt)) != 0){
- close(sock);
- return(errno);
- }
- *rsock = sock;
- return(0);
-}
-
-static int
-sap_recv(int sock,void *buf,int len,int flags, int timeout){
- fd_set rd, wr, ex;
- struct timeval tv;
- int result;
-
- FD_ZERO(&rd);
- FD_ZERO(&wr);
- FD_ZERO(&ex);
- FD_SET(sock, &rd);
-
- tv.tv_sec = timeout;
- tv.tv_usec = 0;
-
- if ((result = select(sock + 1, &rd, &wr, &ex, &tv)) == -1) {
- return result;
- }
- if (FD_ISSET(sock, &rd)) {
- result = recv(sock, buf, len, flags);
- } else {
- errno = ETIMEDOUT;
- result = -1;
- }
- return result;
-}
-
-int
-sap_find_nearest(int server_type, struct sockaddr_ipx *daddr, char *server_name)
-{
- struct ipx_addr addr;
- char data[1024];
- int sock, error, packets, len;
- struct sap_packet *reply = (struct sap_packet*)&data;
- struct sap_rq sap_rq;
-
- error = sap_getsock(&sock);
- if (error)
- return error;
- bzero(&addr, sizeof(addr));
- /* BAD: we should enum all ifs (and nets ?) */
- if (ipx_iffind(NULL, &addr) != 0) {
- return (EPROTONOSUPPORT);
- }
- ipx_set_wildhost(addr);
- addr.x_port = htons(IPXPORT_SAP);
-
- if (!sap_rq_init(&sap_rq, sock)) {
- close(sock);
- return(ENOMEM);
- }
- sap_rq_set_destination(&sap_rq, &addr);
- sap_rq_gns_request(&sap_rq, server_type);
- sap_rq_flush(&sap_rq);
- packets = 5;
- do {
- len = sap_recv(sock, data, sizeof(data), 0, 1);
- if (len >= 66 &&
- ntohs(reply->operation) == IPX_SAP_NEAREST_RESPONSE)
- break;
- if (len < 0)
- packets--;
- } while (packets > 0);
-
- if (packets == 0) {
- close(sock);
- return ENETDOWN;
- }
-
- daddr->sipx_addr = reply->sap_entries[0].ipx;
- daddr->sipx_family = AF_IPX;
- daddr->sipx_len = sizeof(struct sockaddr_ipx);
- sap_copyname(server_name, reply->sap_entries[0].server_name);
- errno = 0;
- close(sock);
- return 0;
-}
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