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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1999 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * SAAdverts are used internally by libslp to discover scopes in the 31 * absence of configured scopes and scopes found by active and 32 * passive DA discovery. They can also be solicited by SLPFindSrv() 33 * and SLPFindAttr calls with the "service:service-agent" type. 34 * slp_unpackSAAdvert() unpacks a SAAdvert and returns SA info. 35 */ 36 37 #include <stdio.h> 38 #include <slp-internal.h> 39 40 SLPError slp_unpackSAAdvert(char *reply, char **surl, 41 char **scopes, char **attrs) { 42 SLPError err = SLP_OK; 43 size_t off, len; 44 /* authentication components */ 45 struct iovec iov[3]; 46 size_t tmp_off; 47 int auth_cnt; 48 size_t abLen = 0; 49 50 *surl = *scopes = *attrs = NULL; 51 52 len = slp_get_length(reply); 53 off = SLP_HDRLEN + slp_get_langlen(reply); 54 55 /* service URL */ 56 iov[0].iov_base = reply + off; 57 tmp_off = off; 58 if ((err = slp_get_string(reply, len, &off, surl)) != SLP_OK) { 59 goto fail; 60 } 61 iov[0].iov_len = off - tmp_off; 62 63 /* scope list */ 64 iov[2].iov_base = reply + off; 65 tmp_off = off; 66 if ((err = slp_get_string(reply, len, &off, scopes)) != SLP_OK) { 67 goto fail; 68 } 69 iov[2].iov_len = off - tmp_off; 70 71 /* attributes */ 72 iov[1].iov_base = reply + off; 73 tmp_off = off; 74 if ((err = slp_get_string(reply, len, &off, attrs)) != SLP_OK) { 75 goto fail; 76 } 77 iov[1].iov_len = off - tmp_off; 78 79 /* auth blocks */ 80 if ((err = slp_get_byte(reply, len, &off, &auth_cnt)) != SLP_OK) { 81 goto fail; 82 } 83 if (slp_get_security_on() || auth_cnt > 0) { 84 if ((err = slp_verify(iov, 3, 85 reply + off, 86 len - off, 87 auth_cnt, 88 &abLen)) != SLP_OK) { 89 goto fail; 90 } 91 } 92 93 return (SLP_OK); 94 95 fail: 96 if (*surl) free(*surl); 97 if (*scopes) free(*scopes); 98 if (*attrs) free(*attrs); 99 100 return (err); 101 } 102