newvc.c revision 10367:56de61e9a99e
1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27/* 28 * Create a new VC given a list of addresses. 29 */ 30 31#include <errno.h> 32#include <stdio.h> 33#include <string.h> 34#include <strings.h> 35#include <stdlib.h> 36#include <unistd.h> 37#include <netdb.h> 38#include <libintl.h> 39#include <xti.h> 40#include <assert.h> 41 42#include <sys/types.h> 43#include <sys/time.h> 44#include <sys/byteorder.h> 45#include <sys/socket.h> 46#include <sys/fcntl.h> 47 48#include <netinet/in.h> 49#include <netinet/tcp.h> 50#include <arpa/inet.h> 51 52#include <netsmb/smb.h> 53#include <netsmb/smb_lib.h> 54#include <netsmb/netbios.h> 55#include <netsmb/nb_lib.h> 56#include <netsmb/smb_dev.h> 57 58#include "charsets.h" 59#include "private.h" 60 61/* 62 * Ask the IOD to create a VC with this IP address. 63 */ 64static int 65newvc(struct smb_ctx *ctx, struct addrinfo *ai) 66{ 67 smbioc_ossn_t *ssn = &ctx->ct_ssn; 68 69 /* 70 * Copy the passed address into ssn_srvaddr, 71 * but first sanity-check lengths. Also, 72 * zero it first to avoid trailing junk. 73 */ 74 if (ai->ai_addrlen > sizeof (ssn->ssn_srvaddr)) 75 return (EINVAL); 76 bzero(&ssn->ssn_srvaddr, sizeof (ssn->ssn_srvaddr)); 77 bcopy(ai->ai_addr, &ssn->ssn_srvaddr, ai->ai_addrlen); 78 79 return (smb_iod_cl_newvc(ctx)); 80} 81 82/* 83 * Setup a new VC via the IOD. 84 * Similar to findvc.c 85 */ 86int 87smb_ctx_newvc(struct smb_ctx *ctx) 88{ 89 struct addrinfo *ai; 90 int err; 91 92 /* Should already have the address list. */ 93 if ((ctx->ct_flags & SMBCF_RESOLVED) == 0) 94 return (EINVAL); 95 96 /* 97 * Get a door handle to the smbiod if we 98 * don't have one already. This also 99 * starts the smbiod if necessary. 100 */ 101 if (ctx->ct_door_fd < 0) { 102 err = smb_iod_start(ctx); 103 if (err != 0) 104 return (err); 105 } 106 107 err = EPROTONOSUPPORT; /* in case no AF match */ 108 for (ai = ctx->ct_addrinfo; ai; ai = ai->ai_next) { 109 110 switch (ai->ai_family) { 111 112 case AF_INET: 113 case AF_INET6: 114 case AF_NETBIOS: 115 err = newvc(ctx, ai); 116 if (err == 0) 117 goto OK; 118 break; 119 120 default: 121 DPRINT("skipped family %d", ai->ai_family); 122 break; 123 } 124 } 125 126 /* 127 * In the error case, the caller may try again 128 * with new auth. info, so keep the door open. 129 * Error return will close in smb_ctx_done. 130 */ 131 return (err); 132 133OK: 134 /* Done with the door handle. */ 135 close(ctx->ct_door_fd); 136 ctx->ct_door_fd = -1; 137 return (0); 138} 139