151 lines
4.5 KiB
C
151 lines
4.5 KiB
C
/*
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* Copyright (c) 1999, Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/errno.h>
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#include <sys/syscall.h>
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#include <ctype.h>
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#include <netinet/in.h>
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#include <netipx/ipx.h>
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#include <netdb.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "ipxsap.h"
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#include <netncp/ncp_lib.h>
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#include "ncp_mod.h"
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static int ncp_find_server_in(struct ncp_conn_loginfo *li, int type, char *server_name);
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static int
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ncp_find_server_ipx(struct ncp_conn_loginfo *li, int type) {
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char server[NCP_BINDERY_NAME_LEN + 1];
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int error;
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char nearest[NCP_BINDERY_NAME_LEN + 1];
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struct nw_property prop;
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struct ipx_addr *n_addr = (struct ipx_addr *) ∝
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/* struct ncp_conn_loginfo ltmp;*/
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int connid;
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bzero(server, sizeof(server));
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bzero(nearest, sizeof(nearest));
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strcpy(server, li->server);
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ncp_str_upper(server);
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if ((error = sap_find_nearest(type, &li->ipxaddr, nearest)) != 0) {
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return error;
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}
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/* if no server specified return info about nearest */
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if (!li->server[0]) {
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strcpy(li->server, nearest);
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return 0;
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}
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/* printf("%s\n",ipx_ntoa(li->ipxaddr.sipx_addr));*/
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if (strcmp(server, nearest) == 0) {
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return 0;
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}
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/* We have to ask the nearest server for our wanted server */
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li->opt=0;
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if ((error = ncp_connect(li, &connid)) != 0) {
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return error;
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}
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if (ncp_read_property_value(connid, type, server, 1, "NET_ADDRESS", &prop) != 0) {
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ncp_disconnect(connid);
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return EHOSTUNREACH;
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}
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if ((error = ncp_disconnect(connid)) != 0) {
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return error;
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}
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li->ipxaddr.sipx_family = AF_IPX;
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li->ipxaddr.sipx_addr.x_net = n_addr->x_net;
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li->ipxaddr.sipx_port = n_addr->x_port;
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li->ipxaddr.sipx_addr.x_host = n_addr->x_host;
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return 0;
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}
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static int
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ncp_find_server_in(struct ncp_conn_loginfo *li, int type, char *server_name) {
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struct hostent* h;
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int l;
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h = gethostbyname(server_name);
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if (!h) {
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fprintf(stderr, "Get host address `%s': ", server_name);
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herror(NULL);
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return 1;
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}
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if (h->h_addrtype != AF_INET) {
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fprintf(stderr, "Get host address `%s': Not AF_INET\n", server_name);
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return 1;
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}
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if (h->h_length != 4) {
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fprintf(stderr, "Get host address `%s': Bad address length\n", server_name);
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return 1;
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}
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l = sizeof(struct sockaddr_in);
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bzero(&li->inaddr, l);
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li->inaddr.sin_len = l;
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li->inaddr.sin_family = h->h_addrtype;
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memcpy(&li->inaddr.sin_addr.s_addr, h->h_addr, 4);
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li->inaddr.sin_port = htons(524); /* ncp */
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return 0;
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}
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int
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ncp_find_server(struct ncp_conn_loginfo *li, int type, int af, char *name) {
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int error = EHOSTUNREACH;
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switch(af) {
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case AF_IPX:
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error = ncp_find_server_ipx(li, type);
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break;
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case AF_INET:
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if (name)
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error = ncp_find_server_in(li, type, name);
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break;
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default:
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error = EPROTONOSUPPORT;
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}
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return error;
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}
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int
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ncp_find_fileserver(struct ncp_conn_loginfo *li, int af, char *name) {
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return ncp_find_server(li, NCP_BINDERY_FSERVER, af, name);
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}
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