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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <fm/fmd_fmri.h> 30 31 /* 32 * buf_append -- Append str to buf (if it's non-NULL). Place prepend 33 * in buf in front of str and append behind it (if they're non-NULL). 34 * Continue to update size even if we run out of space to actually 35 * stuff characters in the buffer. 36 */ 37 static void 38 buf_append(ssize_t *sz, char *buf, size_t buflen, char *str, 39 char *prepend, char *append) 40 { 41 ssize_t left; 42 43 if (str == NULL) 44 return; 45 46 if (buflen == 0 || (left = buflen - *sz) < 0) 47 left = 0; 48 49 if (buf != NULL && left != 0) 50 buf += *sz; 51 52 if (prepend == NULL && append == NULL) 53 *sz += snprintf(buf, left, "%s", str); 54 else if (append == NULL) 55 *sz += snprintf(buf, left, "%s%s", prepend, str); 56 else if (prepend == NULL) 57 *sz += snprintf(buf, left, "%s%s", str, append); 58 else 59 *sz += snprintf(buf, left, "%s%s%s", prepend, str, append); 60 } 61 62 ssize_t 63 fmd_fmri_nvl2str(nvlist_t *nvl, char *buf, size_t buflen) 64 { 65 nvlist_t *anvl = NULL; 66 uint8_t version; 67 ssize_t size = 0; 68 char *pkgname = NULL; 69 char *achas = NULL; 70 char *adom = NULL; 71 char *aprod = NULL; 72 char *asrvr = NULL; 73 char *ahost = NULL; 74 int more_auth = 0; 75 int err; 76 77 if (nvlist_lookup_uint8(nvl, FM_VERSION, &version) != 0 || 78 version > FM_PKG_SCHEME_VERSION) 79 return (fmd_fmri_set_errno(EINVAL)); 80 81 /* Get authority, if present */ 82 err = nvlist_lookup_nvlist(nvl, FM_FMRI_AUTHORITY, &anvl); 83 if (err != 0 && err != ENOENT) 84 return (fmd_fmri_set_errno(err)); 85 86 /* 87 * For brevity, we only include the pkgname and any authority 88 * info present in the FMRI in our output string. The FMRI 89 * also has data on the package directory and version. 90 */ 91 err = nvlist_lookup_string(nvl, FM_FMRI_PKG_INST, &pkgname); 92 if (err != 0 || pkgname == NULL) 93 return (fmd_fmri_set_errno(EINVAL)); 94 95 if (anvl != NULL) { 96 (void) nvlist_lookup_string(anvl, 97 FM_FMRI_AUTH_PRODUCT, &aprod); 98 (void) nvlist_lookup_string(anvl, 99 FM_FMRI_AUTH_CHASSIS, &achas); 100 (void) nvlist_lookup_string(anvl, 101 FM_FMRI_AUTH_DOMAIN, &adom); 102 (void) nvlist_lookup_string(anvl, 103 FM_FMRI_AUTH_SERVER, &asrvr); 104 (void) nvlist_lookup_string(anvl, 105 FM_FMRI_AUTH_HOST, &ahost); 106 if (aprod != NULL) 107 more_auth++; 108 if (achas != NULL) 109 more_auth++; 110 if (adom != NULL) 111 more_auth++; 112 if (asrvr != NULL) 113 more_auth++; 114 if (ahost != NULL) 115 more_auth++; 116 } 117 118 /* pkg:// */ 119 buf_append(&size, buf, buflen, FM_FMRI_SCHEME_PKG, NULL, "://"); 120 121 /* authority, if any */ 122 if (aprod != NULL) 123 buf_append(&size, buf, buflen, aprod, FM_FMRI_AUTH_PRODUCT "=", 124 --more_auth > 0 ? "," : NULL); 125 if (achas != NULL) 126 buf_append(&size, buf, buflen, achas, FM_FMRI_AUTH_CHASSIS "=", 127 --more_auth > 0 ? "," : NULL); 128 if (adom != NULL) 129 buf_append(&size, buf, buflen, adom, FM_FMRI_AUTH_DOMAIN "=", 130 --more_auth > 0 ? "," : NULL); 131 if (asrvr != NULL) 132 buf_append(&size, buf, buflen, asrvr, FM_FMRI_AUTH_SERVER "=", 133 --more_auth > 0 ? "," : NULL); 134 if (ahost != NULL) 135 buf_append(&size, buf, buflen, ahost, FM_FMRI_AUTH_HOST "=", 136 NULL); 137 138 /* pkg-name part */ 139 buf_append(&size, buf, buflen, pkgname, "/", NULL); 140 141 return (size); 142 } 143 144 /* 145 * fmd_fmri_present() is called by fmadm to determine if a faulty ASRU 146 * is still present in the system. In general we don't expect to get 147 * ASRUs in this scheme, so it's unlikely this routine will get called. 148 * In case it does, though, we just return true by default, as we have no 149 * real way to look up the component in the system configuration. 150 */ 151 /*ARGSUSED*/ 152 int 153 fmd_fmri_present(nvlist_t *nvl) 154 { 155 return (1); 156 } 157 158 /* 159 * fmd_fmri_unusable() is called by fmadm to determine if a faulty ASRU 160 * is usable. In general we don't expect to get ASRUs in this scheme, 161 * so it's unlikely this routine will get called. In case it does, 162 * though, we just return false by default, as we have no real way to 163 * find the component or determine the component's usability. 164 */ 165 /*ARGSUSED*/ 166 int 167 fmd_fmri_unusable(nvlist_t *nvl) 168 { 169 return (0); 170 } 171