1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 30*7c478bd9Sstevel@tonic-gate #include <stddef.h> 31*7c478bd9Sstevel@tonic-gate #include <stdlib.h> 32*7c478bd9Sstevel@tonic-gate #include <strings.h> 33*7c478bd9Sstevel@tonic-gate #include <netinet/in.h> 34*7c478bd9Sstevel@tonic-gate #include <netinet/dhcp.h> 35*7c478bd9Sstevel@tonic-gate #include "dhcp_impl.h" 36*7c478bd9Sstevel@tonic-gate 37*7c478bd9Sstevel@tonic-gate /* 38*7c478bd9Sstevel@tonic-gate * Fetch a copy of the DHCP-supplied value of the parameter requested 39*7c478bd9Sstevel@tonic-gate * by code in value, and the parameter value length in *vallenp. 40*7c478bd9Sstevel@tonic-gate * 41*7c478bd9Sstevel@tonic-gate * Return values: 42*7c478bd9Sstevel@tonic-gate * 43*7c478bd9Sstevel@tonic-gate * B_FALSE If invalid code, or no parameter value. 44*7c478bd9Sstevel@tonic-gate * 45*7c478bd9Sstevel@tonic-gate * B_TRUE Valid code which has a parameter value. 46*7c478bd9Sstevel@tonic-gate * *vallenp is set to the parameter value length. 47*7c478bd9Sstevel@tonic-gate * If the parameter value length is less than or 48*7c478bd9Sstevel@tonic-gate * equal to *vallenp, value is set to the parameter 49*7c478bd9Sstevel@tonic-gate * value. 50*7c478bd9Sstevel@tonic-gate */ 51*7c478bd9Sstevel@tonic-gate 52*7c478bd9Sstevel@tonic-gate boolean_t 53*7c478bd9Sstevel@tonic-gate dhcp_getinfo_pl(PKT_LIST *pl, uchar_t optcat, uint16_t code, uint16_t optsize, 54*7c478bd9Sstevel@tonic-gate void *value, size_t *vallenp) 55*7c478bd9Sstevel@tonic-gate { 56*7c478bd9Sstevel@tonic-gate 57*7c478bd9Sstevel@tonic-gate if (pl == NULL) 58*7c478bd9Sstevel@tonic-gate return (B_FALSE); 59*7c478bd9Sstevel@tonic-gate 60*7c478bd9Sstevel@tonic-gate if (optcat == DSYM_STANDARD) { 61*7c478bd9Sstevel@tonic-gate if (code > DHCP_LAST_OPT) 62*7c478bd9Sstevel@tonic-gate return (B_FALSE); 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate if (pl->opts[code] == NULL) 65*7c478bd9Sstevel@tonic-gate return (B_FALSE); 66*7c478bd9Sstevel@tonic-gate 67*7c478bd9Sstevel@tonic-gate if (*vallenp < pl->opts[code]->len) { 68*7c478bd9Sstevel@tonic-gate *vallenp = pl->opts[code]->len; 69*7c478bd9Sstevel@tonic-gate return (B_TRUE); 70*7c478bd9Sstevel@tonic-gate } 71*7c478bd9Sstevel@tonic-gate 72*7c478bd9Sstevel@tonic-gate bcopy(pl->opts[code]->value, value, pl->opts[code]->len); 73*7c478bd9Sstevel@tonic-gate *vallenp = pl->opts[code]->len; 74*7c478bd9Sstevel@tonic-gate 75*7c478bd9Sstevel@tonic-gate } else if (optcat == DSYM_VENDOR) { 76*7c478bd9Sstevel@tonic-gate if (code > VS_OPTION_END) 77*7c478bd9Sstevel@tonic-gate return (B_FALSE); 78*7c478bd9Sstevel@tonic-gate 79*7c478bd9Sstevel@tonic-gate if (pl->vs[code] == NULL) 80*7c478bd9Sstevel@tonic-gate return (B_FALSE); 81*7c478bd9Sstevel@tonic-gate 82*7c478bd9Sstevel@tonic-gate if (*vallenp < pl->vs[code]->len) { 83*7c478bd9Sstevel@tonic-gate *vallenp = pl->vs[code]->len; 84*7c478bd9Sstevel@tonic-gate return (B_TRUE); 85*7c478bd9Sstevel@tonic-gate } 86*7c478bd9Sstevel@tonic-gate 87*7c478bd9Sstevel@tonic-gate bcopy(pl->vs[code]->value, value, pl->vs[code]->len); 88*7c478bd9Sstevel@tonic-gate *vallenp = pl->vs[code]->len; 89*7c478bd9Sstevel@tonic-gate 90*7c478bd9Sstevel@tonic-gate } else if (optcat == DSYM_FIELD) { 91*7c478bd9Sstevel@tonic-gate if (code + optsize > sizeof (PKT)) 92*7c478bd9Sstevel@tonic-gate return (B_FALSE); 93*7c478bd9Sstevel@tonic-gate 94*7c478bd9Sstevel@tonic-gate if (*vallenp < optsize) { 95*7c478bd9Sstevel@tonic-gate *vallenp = optsize; 96*7c478bd9Sstevel@tonic-gate return (B_TRUE); 97*7c478bd9Sstevel@tonic-gate } 98*7c478bd9Sstevel@tonic-gate 99*7c478bd9Sstevel@tonic-gate *vallenp = optsize; 100*7c478bd9Sstevel@tonic-gate bcopy((caddr_t)pl->pkt + code, value, optsize); 101*7c478bd9Sstevel@tonic-gate 102*7c478bd9Sstevel@tonic-gate } else 103*7c478bd9Sstevel@tonic-gate return (B_FALSE); 104*7c478bd9Sstevel@tonic-gate 105*7c478bd9Sstevel@tonic-gate return (B_TRUE); 106*7c478bd9Sstevel@tonic-gate } 107