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 * Copyright 2017 Nexenta Systems, Inc. All rights reserved. 27 */ 28 29 /* 30 * Create a new VC given a list of addresses. 31 */ 32 33 #include <errno.h> 34 #include <stdio.h> 35 #include <string.h> 36 #include <strings.h> 37 #include <stdlib.h> 38 #include <unistd.h> 39 #include <netdb.h> 40 #include <libintl.h> 41 #include <xti.h> 42 #include <assert.h> 43 44 #include <sys/types.h> 45 #include <sys/time.h> 46 #include <sys/byteorder.h> 47 #include <sys/socket.h> 48 #include <sys/fcntl.h> 49 50 #include <netinet/in.h> 51 #include <netinet/tcp.h> 52 #include <arpa/inet.h> 53 54 #include <netsmb/smb.h> 55 #include <netsmb/smb_lib.h> 56 #include <netsmb/netbios.h> 57 #include <netsmb/nb_lib.h> 58 #include <netsmb/smb_dev.h> 59 60 #include "smb/charsets.h" 61 #include "smb/private.h" 62 63 /* 64 * Ask the IOD to create a VC with this IP address. 65 */ 66 static int 67 fknewvc(struct smb_ctx *ctx, struct addrinfo *ai) 68 { 69 char host[256]; 70 char svc[32]; 71 smbioc_ossn_t *ssn = &ctx->ct_ssn; 72 int err; 73 74 if (smb_debug) { 75 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, 76 host, sizeof (host), svc, sizeof (svc), 77 AI_NUMERICHOST); 78 if (err != 0) { 79 strlcpy(host, "(?)", sizeof (host)); 80 strlcpy(svc, "?", sizeof (host)); 81 } 82 printf("fknewvc: Try AF=%d %s:%s\n", 83 ai->ai_family, host, svc); 84 } 85 86 /* 87 * Copy the passed address into ssn_srvaddr, 88 * but first sanity-check lengths. Also, 89 * zero it first to avoid trailing junk. 90 */ 91 if (ai->ai_addrlen > sizeof (ssn->ssn_srvaddr)) 92 return (EINVAL); 93 bzero(&ssn->ssn_srvaddr, sizeof (ssn->ssn_srvaddr)); 94 bcopy(ai->ai_addr, &ssn->ssn_srvaddr, ai->ai_addrlen); 95 96 /* Ask the IOD to connect using the info in ctx. */ 97 err = smb_iod_cl_newvc(ctx); 98 if (smb_debug) { 99 printf("fknewvc: iod_cl_newvc err=%d\n", err); 100 } 101 102 return (err); 103 } 104 105 /* 106 * Setup a new VC via the IOD. 107 * Similar to findvc.c 108 */ 109 int 110 smb_ctx_newvc(struct smb_ctx *ctx) 111 { 112 struct addrinfo *ai; 113 int err; 114 115 /* Should already have the address list. */ 116 if ((ctx->ct_flags & SMBCF_RESOLVED) == 0) 117 return (EINVAL); 118 119 err = EPROTONOSUPPORT; /* in case no AF match */ 120 for (ai = ctx->ct_addrinfo; ai; ai = ai->ai_next) { 121 122 switch (ai->ai_family) { 123 124 case AF_INET: 125 case AF_INET6: 126 case AF_NETBIOS: 127 err = fknewvc(ctx, ai); 128 if (err == 0) 129 return (0); 130 break; 131 132 default: 133 break; 134 } 135 } 136 137 /* 138 * In the error case, the caller may try again 139 * with new auth. info, so keep the door open. 140 * Error return will close in smb_ctx_done. 141 */ 142 return (err); 143 } 144