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 /* 63 * Maximum 32 bit integer is 2147483647, which is 10 digits. A buffer 64 * of 11 bytes can therefore contain the null-terminated ascii 65 * representation of any integer module id. 66 */ 67 #define MAXINTSTR 11 68 69 ssize_t 70 fmd_fmri_nvl2str(nvlist_t *nvl, char *buf, size_t buflen) 71 { 72 nvlist_t *anvl = NULL; 73 uint8_t version; 74 ssize_t size = 0; 75 int32_t modid; 76 char *achas = NULL; 77 char *adom = NULL; 78 char *aprod = NULL; 79 char *asrvr = NULL; 80 char *ahost = NULL; 81 char *modname = NULL; 82 char numbuf[MAXINTSTR]; 83 int more_auth = 0; 84 int err; 85 86 if (nvlist_lookup_uint8(nvl, FM_VERSION, &version) != 0 || 87 version > FM_MOD_SCHEME_VERSION) 88 return (fmd_fmri_set_errno(EINVAL)); 89 90 /* Get authority, if present */ 91 err = nvlist_lookup_nvlist(nvl, FM_FMRI_AUTHORITY, &anvl); 92 if (err != 0 && err != ENOENT) 93 return (fmd_fmri_set_errno(err)); 94 95 /* 96 * For brevity, we only include the module name and id 97 * present in the FMRI in our output string. The FMRI 98 * also has data on the package containing the module. 99 */ 100 101 /* There must be a module name */ 102 err = nvlist_lookup_string(nvl, FM_FMRI_MOD_NAME, &modname); 103 if (err != 0 || modname == NULL) 104 return (fmd_fmri_set_errno(EINVAL)); 105 106 /* There must be a module id */ 107 err = nvlist_lookup_int32(nvl, FM_FMRI_MOD_ID, &modid); 108 if (err != 0) 109 return (fmd_fmri_set_errno(EINVAL)); 110 111 if (anvl != NULL) { 112 (void) nvlist_lookup_string(anvl, 113 FM_FMRI_AUTH_PRODUCT, &aprod); 114 (void) nvlist_lookup_string(anvl, 115 FM_FMRI_AUTH_CHASSIS, &achas); 116 (void) nvlist_lookup_string(anvl, 117 FM_FMRI_AUTH_DOMAIN, &adom); 118 (void) nvlist_lookup_string(anvl, 119 FM_FMRI_AUTH_SERVER, &asrvr); 120 (void) nvlist_lookup_string(anvl, 121 FM_FMRI_AUTH_HOST, &ahost); 122 if (aprod != NULL) 123 more_auth++; 124 if (achas != NULL) 125 more_auth++; 126 if (adom != NULL) 127 more_auth++; 128 if (asrvr != NULL) 129 more_auth++; 130 if (ahost != NULL) 131 more_auth++; 132 } 133 134 /* mod:// */ 135 buf_append(&size, buf, buflen, FM_FMRI_SCHEME_MOD, NULL, "://"); 136 137 /* authority, if any */ 138 if (aprod != NULL) 139 buf_append(&size, buf, buflen, aprod, FM_FMRI_AUTH_PRODUCT "=", 140 --more_auth > 0 ? "," : NULL); 141 if (achas != NULL) 142 buf_append(&size, buf, buflen, achas, FM_FMRI_AUTH_CHASSIS "=", 143 --more_auth > 0 ? "," : NULL); 144 if (adom != NULL) 145 buf_append(&size, buf, buflen, adom, FM_FMRI_AUTH_DOMAIN "=", 146 --more_auth > 0 ? "," : NULL); 147 if (asrvr != NULL) 148 buf_append(&size, buf, buflen, asrvr, FM_FMRI_AUTH_SERVER "=", 149 --more_auth > 0 ? "," : NULL); 150 if (ahost != NULL) 151 buf_append(&size, buf, buflen, ahost, FM_FMRI_AUTH_HOST "=", 152 NULL); 153 154 /* module parts */ 155 buf_append(&size, buf, buflen, modname, "/" FM_FMRI_MOD_NAME "=", "/"); 156 157 (void) snprintf(numbuf, MAXINTSTR, "%d", modid); 158 buf_append(&size, buf, buflen, numbuf, FM_FMRI_MOD_ID "=", NULL); 159 160 return (size); 161 } 162 163 /* 164 * fmd_fmri_present() is called by fmadm to determine if a faulty ASRU 165 * is still present in the system. In general we don't expect to get 166 * ASRUs in this scheme, so it's unlikely this routine will get called. 167 * In case it does, though, we just return true by default, as we have no 168 * real way to look up the component in the system configuration. 169 */ 170 /*ARGSUSED*/ 171 int 172 fmd_fmri_present(nvlist_t *nvl) 173 { 174 return (1); 175 } 176 177 /* 178 * fmd_fmri_unusable() is called by fmadm to determine if a faulty ASRU 179 * is usable. In general we don't expect to get ASRUs in this scheme, 180 * so it's unlikely this routine will get called. In case it does, 181 * though, we just return false by default, as we have no real way to 182 * find the component or determine the component's usability. 183 */ 184 /*ARGSUSED*/ 185 int 186 fmd_fmri_unusable(nvlist_t *nvl) 187 { 188 return (0); 189 } 190