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 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 * Copyright 2013 Joyent, Inc. All rights reserved. 26 * Copyright 2017 OmniOS Community Edition (OmniOSce) Association. 27 */ 28 29 #include "libscf_impl.h" 30 31 #include <assert.h> 32 #include <dlfcn.h> 33 #include <libintl.h> 34 #include <pthread.h> 35 #include <stdarg.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <sys/machelf.h> 40 #include <thread.h> 41 42 #include <ucontext.h> 43 44 extern int ndebug; 45 46 static struct scf_error_info { 47 scf_error_t ei_code; 48 const char *ei_desc; 49 } scf_errors[] = { 50 {SCF_ERROR_NONE, "no error"}, 51 {SCF_ERROR_NOT_BOUND, "handle not bound"}, 52 {SCF_ERROR_NOT_SET, "cannot use unset argument"}, 53 {SCF_ERROR_NOT_FOUND, "entity not found"}, 54 {SCF_ERROR_TYPE_MISMATCH, "type does not match value"}, 55 {SCF_ERROR_IN_USE, "cannot modify while in-use"}, 56 {SCF_ERROR_CONNECTION_BROKEN, "connection to repository broken"}, 57 {SCF_ERROR_INVALID_ARGUMENT, "invalid argument"}, 58 {SCF_ERROR_NO_MEMORY, "no memory available"}, 59 {SCF_ERROR_CONSTRAINT_VIOLATED, "required constraint not met"}, 60 {SCF_ERROR_EXISTS, "object already exists"}, 61 {SCF_ERROR_NO_SERVER, "repository server unavailable"}, 62 {SCF_ERROR_NO_RESOURCES, "server has insufficient resources"}, 63 {SCF_ERROR_PERMISSION_DENIED, "insufficient privileges for action"}, 64 {SCF_ERROR_BACKEND_ACCESS, "backend refused access"}, 65 {SCF_ERROR_BACKEND_READONLY, "backend is read-only"}, 66 {SCF_ERROR_HANDLE_MISMATCH, "mismatched SCF handles"}, 67 {SCF_ERROR_HANDLE_DESTROYED, "object bound to destroyed handle"}, 68 {SCF_ERROR_VERSION_MISMATCH, "incompatible SCF version"}, 69 {SCF_ERROR_DELETED, "object has been deleted"}, 70 {SCF_ERROR_TEMPLATE_INVALID, "template data is invalid"}, 71 72 {SCF_ERROR_CALLBACK_FAILED, "user callback function failed"}, 73 74 {SCF_ERROR_INTERNAL, "internal error"} 75 }; 76 #define SCF_NUM_ERRORS (sizeof (scf_errors) / sizeof (*scf_errors)) 77 78 /* a SWAG just in case things get out of sync, we can notice */ 79 #define LOOKS_VALID(e) \ 80 ((e) >= scf_errors[0].ei_code && \ 81 (e) < scf_errors[SCF_NUM_ERRORS - 1].ei_code + 10) 82 83 static scf_error_t _scf_fallback_error = SCF_ERROR_NONE; 84 85 static pthread_key_t scf_error_key = PTHREAD_ONCE_KEY_NP; 86 87 int 88 scf_setup_error(void) 89 { 90 return (pthread_key_create_once_np(&scf_error_key, NULL) == 0); 91 } 92 93 int 94 scf_set_error(scf_error_t code) 95 { 96 assert(LOOKS_VALID(code)); 97 98 if (scf_setup_error()) 99 (void) pthread_setspecific(scf_error_key, (void *)code); 100 else 101 _scf_fallback_error = code; 102 return (-1); 103 } 104 105 scf_error_t 106 scf_error(void) 107 { 108 scf_error_t ret; 109 110 ret = (scf_error_t)pthread_getspecific(scf_error_key); 111 if (ret == 0) 112 return (_scf_fallback_error); 113 assert(LOOKS_VALID(ret)); 114 return (ret); 115 } 116 117 const char * 118 scf_strerror(scf_error_t code) 119 { 120 struct scf_error_info *cur, *end; 121 122 cur = scf_errors; 123 end = cur + SCF_NUM_ERRORS; 124 125 for (; cur < end; cur++) 126 if (code == cur->ei_code) 127 return (dgettext(TEXT_DOMAIN, cur->ei_desc)); 128 129 return (dgettext(TEXT_DOMAIN, "unknown error")); 130 } 131 132 const char * 133 scf_get_msg(scf_msg_t msg) 134 { 135 switch (msg) { 136 case SCF_MSG_ARGTOOLONG: 137 return (dgettext(TEXT_DOMAIN, 138 "Argument '%s' is too long, ignoring\n")); 139 140 case SCF_MSG_PATTERN_NOINSTANCE: 141 return (dgettext(TEXT_DOMAIN, 142 "Pattern '%s' doesn't match any instances\n")); 143 144 case SCF_MSG_PATTERN_NOINSTSVC: 145 return (dgettext(TEXT_DOMAIN, 146 "Pattern '%s' doesn't match any instances or services\n")); 147 148 case SCF_MSG_PATTERN_NOSERVICE: 149 return (dgettext(TEXT_DOMAIN, 150 "Pattern '%s' doesn't match any services\n")); 151 152 case SCF_MSG_PATTERN_NOENTITY: 153 return (dgettext(TEXT_DOMAIN, 154 "Pattern '%s' doesn't match any entities\n")); 155 156 case SCF_MSG_PATTERN_MULTIMATCH: 157 return (dgettext(TEXT_DOMAIN, 158 "Pattern '%s' matches multiple instances:\n")); 159 160 case SCF_MSG_PATTERN_POSSIBLE: 161 return (dgettext(TEXT_DOMAIN, " %s\n")); 162 163 case SCF_MSG_PATTERN_LEGACY: 164 return (dgettext(TEXT_DOMAIN, 165 "Operation not supported for legacy service '%s'\n")); 166 167 case SCF_MSG_PATTERN_MULTIPARTIAL: 168 return (dgettext(TEXT_DOMAIN, 169 "Partial FMRI '%s' matches multiple instances:\n")); 170 171 default: 172 abort(); 173 /* NOTREACHED */ 174 } 175 176 } 177