1/* 2 * Copyright (c) 1999, Boris Popov 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the author nor the names of any co-contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD$"); 32 33#include <sys/param.h> 34#include <sys/types.h> 35#include <sys/socket.h> 36#include <sys/errno.h> 37#include <sys/syscall.h> 38#include <ctype.h> 39#include <netinet/in.h> 40#include <netipx/ipx.h> 41#include <netdb.h> 42#include <string.h> 43#include <stdio.h> 44#include <unistd.h> 45 46#include "ipxsap.h" 47#include <netncp/ncp_lib.h> 48 49static int ncp_find_server_in(struct ncp_conn_loginfo *li, int type, char *server_name); 50 51static int 52ncp_find_server_ipx(struct ncp_conn_loginfo *li, int type) { 53 char server[NCP_BINDERY_NAME_LEN + 1]; 54 int error; 55 char nearest[NCP_BINDERY_NAME_LEN + 1]; 56 struct nw_property prop; 57 struct ipx_addr *n_addr = (struct ipx_addr *) ∝ 58/* struct ncp_conn_loginfo ltmp;*/ 59 int connid; 60 61 bzero(server, sizeof(server)); 62 bzero(nearest, sizeof(nearest)); 63 64 strcpy(server, li->server); 65 ncp_str_upper(server); 66 67 if ((error = sap_find_nearest(type, &li->ipxaddr, nearest)) != 0) { 68 return error; 69 } 70 /* if no server specified return info about nearest */ 71 if (!li->server[0]) { 72 strcpy(li->server, nearest); 73 return 0; 74 } 75/* printf("%s\n",ipx_ntoa(li->ipxaddr.sipx_addr));*/ 76 if (strcmp(server, nearest) == 0) { 77 return 0; 78 } 79 /* We have to ask the nearest server for our wanted server */ 80 li->opt=0; 81 if ((error = ncp_connect(li, &connid)) != 0) { 82 return error; 83 } 84 if (ncp_read_property_value(connid, type, server, 1, "NET_ADDRESS", &prop) != 0) { 85 ncp_disconnect(connid); 86 return EHOSTUNREACH; 87 } 88 if ((error = ncp_disconnect(connid)) != 0) { 89 return error; 90 } 91 li->ipxaddr.sipx_family = AF_IPX; 92 li->ipxaddr.sipx_addr.x_net = n_addr->x_net; 93 li->ipxaddr.sipx_port = n_addr->x_port; 94 li->ipxaddr.sipx_addr.x_host = n_addr->x_host; 95 return 0; 96} 97 98static int 99ncp_find_server_in(struct ncp_conn_loginfo *li, int type, char *server_name) { 100 struct hostent* h; 101 int l; 102 103 h = gethostbyname(server_name); 104 if (!h) { 105 fprintf(stderr, "Get host address `%s': ", server_name); 106 herror(NULL); 107 return 1; 108 } 109 if (h->h_addrtype != AF_INET) { 110 fprintf(stderr, "Get host address `%s': Not AF_INET\n", server_name); 111 return 1; 112 } 113 if (h->h_length != 4) { 114 fprintf(stderr, "Get host address `%s': Bad address length\n", server_name); 115 return 1; 116 } 117 l = sizeof(struct sockaddr_in); 118 bzero(&li->inaddr, l); 119 li->inaddr.sin_len = l; 120 li->inaddr.sin_family = h->h_addrtype; 121 memcpy(&li->inaddr.sin_addr.s_addr, h->h_addr, 4); 122 li->inaddr.sin_port = htons(524); /* ncp */ 123 return 0; 124} 125 126int 127ncp_find_server(struct ncp_conn_loginfo *li, int type, int af, char *name) { 128 int error = EHOSTUNREACH; 129 130 switch(af) { 131 case AF_IPX: 132 error = ncp_find_server_ipx(li, type); 133 break; 134 case AF_INET: 135 if (name) 136 error = ncp_find_server_in(li, type, name); 137 break; 138 default: 139 error = EPROTONOSUPPORT; 140 } 141 return error; 142} 143 144int 145ncp_find_fileserver(struct ncp_conn_loginfo *li, int af, char *name) { 146 return ncp_find_server(li, NCP_BINDERY_FSERVER, af, name); 147} 148