1 /* 2 * Copyright (c) 2000, 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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Boris Popov. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: nb_net.c,v 1.8 2004/03/19 01:49:47 lindak Exp $ 33 */ 34 35 #include <sys/param.h> 36 #include <sys/socket.h> 37 #include <sys/ioctl.h> 38 #include <sys/sockio.h> 39 #include <net/if.h> 40 #include <ctype.h> 41 #include <netdb.h> 42 #include <errno.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <strings.h> 46 #include <stdio.h> 47 #include <unistd.h> 48 49 #include <err.h> 50 51 #include <netsmb/netbios.h> 52 #include <netsmb/smb_lib.h> 53 #include <netsmb/nb_lib.h> 54 #include "private.h" 55 56 /* 57 * General networking stuff, in spite of the names 58 * that imply they're specific to NetBIOS. 59 */ 60 61 int 62 nb_getlocalname(char *name, size_t maxlen) 63 { 64 char buf[1024], *cp; 65 66 if (gethostname(buf, sizeof (buf)) != 0) 67 return (errno); 68 cp = strchr(buf, '.'); 69 if (cp) 70 *cp = 0; 71 strlcpy(name, buf, maxlen); 72 return (0); 73 } 74 75 int 76 nb_resolvehost_in(const char *name, struct sockaddr **dest) 77 { 78 struct hostent *h; 79 struct sockaddr_in *sinp; 80 in_addr_t addr; 81 struct in_addr in; 82 int len; 83 char **p; 84 85 86 h = gethostbyname(name); 87 if (!h) { 88 #ifdef DEBUG 89 warnx("can't get server address `%s': ", name); 90 #endif 91 return (ENETDOWN); 92 } 93 if (h->h_addrtype != AF_INET) { 94 #ifdef DEBUG 95 warnx("address for `%s' is not in the AF_INET family", name); 96 #endif 97 return (EAFNOSUPPORT); 98 } 99 if (h->h_length != 4) { 100 #ifdef DEBUG 101 warnx("address for `%s' has invalid length", name); 102 #endif 103 return (EAFNOSUPPORT); 104 } 105 len = sizeof (struct sockaddr_in); 106 sinp = malloc(len); 107 if (sinp == NULL) 108 return (ENOMEM); 109 bzero(sinp, len); 110 /* 111 * There is no sin_len in sockaddr_in structure on Solaris. 112 * sinp->sin_len = len; 113 */ 114 sinp->sin_family = h->h_addrtype; 115 memcpy(&sinp->sin_addr.s_addr, *h->h_addr_list,\ 116 sizeof (sinp->sin_addr.s_addr)); 117 sinp->sin_port = htons(SMB_TCP_PORT); 118 *dest = (struct sockaddr *)sinp; 119 return (0); 120 } 121