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 2004 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 "libscf_impl.h" 30*7c478bd9Sstevel@tonic-gate 31*7c478bd9Sstevel@tonic-gate #include <assert.h> 32*7c478bd9Sstevel@tonic-gate #include <dlfcn.h> 33*7c478bd9Sstevel@tonic-gate #include <libintl.h> 34*7c478bd9Sstevel@tonic-gate #include <pthread.h> 35*7c478bd9Sstevel@tonic-gate #include <stdarg.h> 36*7c478bd9Sstevel@tonic-gate #include <stdio.h> 37*7c478bd9Sstevel@tonic-gate #include <stdlib.h> 38*7c478bd9Sstevel@tonic-gate #include <string.h> 39*7c478bd9Sstevel@tonic-gate #include <sys/machelf.h> 40*7c478bd9Sstevel@tonic-gate #include <thread.h> 41*7c478bd9Sstevel@tonic-gate 42*7c478bd9Sstevel@tonic-gate #define walkcontext _walkcontext /* work around 4743525 */ 43*7c478bd9Sstevel@tonic-gate #include <ucontext.h> 44*7c478bd9Sstevel@tonic-gate 45*7c478bd9Sstevel@tonic-gate extern int ndebug; 46*7c478bd9Sstevel@tonic-gate 47*7c478bd9Sstevel@tonic-gate static struct scf_error_info { 48*7c478bd9Sstevel@tonic-gate scf_error_t ei_code; 49*7c478bd9Sstevel@tonic-gate const char *ei_desc; 50*7c478bd9Sstevel@tonic-gate } scf_errors[] = { 51*7c478bd9Sstevel@tonic-gate {SCF_ERROR_NONE, "no error"}, 52*7c478bd9Sstevel@tonic-gate {SCF_ERROR_NOT_BOUND, "handle not bound"}, 53*7c478bd9Sstevel@tonic-gate {SCF_ERROR_NOT_SET, "cannot use unset argument"}, 54*7c478bd9Sstevel@tonic-gate {SCF_ERROR_NOT_FOUND, "entity not found"}, 55*7c478bd9Sstevel@tonic-gate {SCF_ERROR_TYPE_MISMATCH, "type does not match value"}, 56*7c478bd9Sstevel@tonic-gate {SCF_ERROR_IN_USE, "cannot modify while in-use"}, 57*7c478bd9Sstevel@tonic-gate {SCF_ERROR_CONNECTION_BROKEN, "connection to repository broken"}, 58*7c478bd9Sstevel@tonic-gate {SCF_ERROR_INVALID_ARGUMENT, "invalid argument"}, 59*7c478bd9Sstevel@tonic-gate {SCF_ERROR_NO_MEMORY, "no memory available"}, 60*7c478bd9Sstevel@tonic-gate {SCF_ERROR_CONSTRAINT_VIOLATED, "required constraint not met"}, 61*7c478bd9Sstevel@tonic-gate {SCF_ERROR_EXISTS, "object already exists"}, 62*7c478bd9Sstevel@tonic-gate {SCF_ERROR_NO_SERVER, "repository server unavailable"}, 63*7c478bd9Sstevel@tonic-gate {SCF_ERROR_NO_RESOURCES, "server has insufficient resources"}, 64*7c478bd9Sstevel@tonic-gate {SCF_ERROR_PERMISSION_DENIED, "insufficient privileges for action"}, 65*7c478bd9Sstevel@tonic-gate {SCF_ERROR_BACKEND_ACCESS, "backend refused access"}, 66*7c478bd9Sstevel@tonic-gate {SCF_ERROR_BACKEND_READONLY, "backend is read-only"}, 67*7c478bd9Sstevel@tonic-gate {SCF_ERROR_HANDLE_MISMATCH, "mismatched SCF handles"}, 68*7c478bd9Sstevel@tonic-gate {SCF_ERROR_HANDLE_DESTROYED, "object bound to destroyed handle"}, 69*7c478bd9Sstevel@tonic-gate {SCF_ERROR_VERSION_MISMATCH, "incompatible SCF version"}, 70*7c478bd9Sstevel@tonic-gate {SCF_ERROR_DELETED, "object has been deleted"}, 71*7c478bd9Sstevel@tonic-gate 72*7c478bd9Sstevel@tonic-gate {SCF_ERROR_CALLBACK_FAILED, "user callback function failed"}, 73*7c478bd9Sstevel@tonic-gate 74*7c478bd9Sstevel@tonic-gate {SCF_ERROR_INTERNAL, "internal error"} 75*7c478bd9Sstevel@tonic-gate }; 76*7c478bd9Sstevel@tonic-gate #define SCF_NUM_ERRORS (sizeof (scf_errors) / sizeof (*scf_errors)) 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate /* a SWAG just in case things get out of sync, we can notice */ 79*7c478bd9Sstevel@tonic-gate #define LOOKS_VALID(e) \ 80*7c478bd9Sstevel@tonic-gate ((e) >= scf_errors[0].ei_code && \ 81*7c478bd9Sstevel@tonic-gate (e) < scf_errors[SCF_NUM_ERRORS - 1].ei_code + 10) 82*7c478bd9Sstevel@tonic-gate 83*7c478bd9Sstevel@tonic-gate static pthread_mutex_t scf_key_lock = PTHREAD_MUTEX_INITIALIZER; 84*7c478bd9Sstevel@tonic-gate static pthread_key_t scf_error_key; 85*7c478bd9Sstevel@tonic-gate static volatile int scf_error_key_setup; 86*7c478bd9Sstevel@tonic-gate 87*7c478bd9Sstevel@tonic-gate static scf_error_t _scf_fallback_error = SCF_ERROR_NONE; 88*7c478bd9Sstevel@tonic-gate 89*7c478bd9Sstevel@tonic-gate int 90*7c478bd9Sstevel@tonic-gate scf_setup_error(void) 91*7c478bd9Sstevel@tonic-gate { 92*7c478bd9Sstevel@tonic-gate (void) pthread_mutex_lock(&scf_key_lock); 93*7c478bd9Sstevel@tonic-gate if (scf_error_key_setup == 0) { 94*7c478bd9Sstevel@tonic-gate if (pthread_key_create(&scf_error_key, NULL) != 0) 95*7c478bd9Sstevel@tonic-gate scf_error_key_setup = -1; 96*7c478bd9Sstevel@tonic-gate else 97*7c478bd9Sstevel@tonic-gate scf_error_key_setup = 1; 98*7c478bd9Sstevel@tonic-gate } 99*7c478bd9Sstevel@tonic-gate (void) pthread_mutex_unlock(&scf_key_lock); 100*7c478bd9Sstevel@tonic-gate 101*7c478bd9Sstevel@tonic-gate return (scf_error_key_setup == 1); 102*7c478bd9Sstevel@tonic-gate } 103*7c478bd9Sstevel@tonic-gate 104*7c478bd9Sstevel@tonic-gate int 105*7c478bd9Sstevel@tonic-gate scf_set_error(scf_error_t code) 106*7c478bd9Sstevel@tonic-gate { 107*7c478bd9Sstevel@tonic-gate assert(LOOKS_VALID(code)); 108*7c478bd9Sstevel@tonic-gate 109*7c478bd9Sstevel@tonic-gate if (scf_error_key_setup == 0) 110*7c478bd9Sstevel@tonic-gate (void) scf_setup_error(); 111*7c478bd9Sstevel@tonic-gate 112*7c478bd9Sstevel@tonic-gate if (scf_error_key_setup > 0) 113*7c478bd9Sstevel@tonic-gate (void) pthread_setspecific(scf_error_key, (void *)code); 114*7c478bd9Sstevel@tonic-gate else 115*7c478bd9Sstevel@tonic-gate _scf_fallback_error = code; 116*7c478bd9Sstevel@tonic-gate return (-1); 117*7c478bd9Sstevel@tonic-gate } 118*7c478bd9Sstevel@tonic-gate 119*7c478bd9Sstevel@tonic-gate scf_error_t 120*7c478bd9Sstevel@tonic-gate scf_error(void) 121*7c478bd9Sstevel@tonic-gate { 122*7c478bd9Sstevel@tonic-gate scf_error_t ret; 123*7c478bd9Sstevel@tonic-gate 124*7c478bd9Sstevel@tonic-gate if (scf_error_key_setup < 0) 125*7c478bd9Sstevel@tonic-gate return (_scf_fallback_error); 126*7c478bd9Sstevel@tonic-gate 127*7c478bd9Sstevel@tonic-gate if (scf_error_key_setup == 0) 128*7c478bd9Sstevel@tonic-gate return (SCF_ERROR_NONE); 129*7c478bd9Sstevel@tonic-gate 130*7c478bd9Sstevel@tonic-gate ret = (scf_error_t)pthread_getspecific(scf_error_key); 131*7c478bd9Sstevel@tonic-gate if (ret == 0) 132*7c478bd9Sstevel@tonic-gate return (SCF_ERROR_NONE); 133*7c478bd9Sstevel@tonic-gate assert(LOOKS_VALID(ret)); 134*7c478bd9Sstevel@tonic-gate return (ret); 135*7c478bd9Sstevel@tonic-gate } 136*7c478bd9Sstevel@tonic-gate 137*7c478bd9Sstevel@tonic-gate const char * 138*7c478bd9Sstevel@tonic-gate scf_strerror(scf_error_t code) 139*7c478bd9Sstevel@tonic-gate { 140*7c478bd9Sstevel@tonic-gate struct scf_error_info *cur, *end; 141*7c478bd9Sstevel@tonic-gate 142*7c478bd9Sstevel@tonic-gate cur = scf_errors; 143*7c478bd9Sstevel@tonic-gate end = cur + SCF_NUM_ERRORS; 144*7c478bd9Sstevel@tonic-gate 145*7c478bd9Sstevel@tonic-gate for (; cur < end; cur++) 146*7c478bd9Sstevel@tonic-gate if (code == cur->ei_code) 147*7c478bd9Sstevel@tonic-gate return (dgettext(TEXT_DOMAIN, cur->ei_desc)); 148*7c478bd9Sstevel@tonic-gate 149*7c478bd9Sstevel@tonic-gate return (dgettext(TEXT_DOMAIN, "unknown error")); 150*7c478bd9Sstevel@tonic-gate } 151*7c478bd9Sstevel@tonic-gate 152*7c478bd9Sstevel@tonic-gate const char * 153*7c478bd9Sstevel@tonic-gate scf_get_msg(scf_msg_t msg) 154*7c478bd9Sstevel@tonic-gate { 155*7c478bd9Sstevel@tonic-gate switch (msg) { 156*7c478bd9Sstevel@tonic-gate case SCF_MSG_ARGTOOLONG: 157*7c478bd9Sstevel@tonic-gate return (dgettext(TEXT_DOMAIN, 158*7c478bd9Sstevel@tonic-gate "Argument '%s' is too long, ignoring\n")); 159*7c478bd9Sstevel@tonic-gate 160*7c478bd9Sstevel@tonic-gate case SCF_MSG_PATTERN_NOINSTANCE: 161*7c478bd9Sstevel@tonic-gate return (dgettext(TEXT_DOMAIN, 162*7c478bd9Sstevel@tonic-gate "Pattern '%s' doesn't match any instances\n")); 163*7c478bd9Sstevel@tonic-gate 164*7c478bd9Sstevel@tonic-gate case SCF_MSG_PATTERN_NOINSTSVC: 165*7c478bd9Sstevel@tonic-gate return (dgettext(TEXT_DOMAIN, 166*7c478bd9Sstevel@tonic-gate "Pattern '%s' doesn't match any instances or services\n")); 167*7c478bd9Sstevel@tonic-gate 168*7c478bd9Sstevel@tonic-gate case SCF_MSG_PATTERN_NOSERVICE: 169*7c478bd9Sstevel@tonic-gate return (dgettext(TEXT_DOMAIN, 170*7c478bd9Sstevel@tonic-gate "Pattern '%s' doesn't match any services\n")); 171*7c478bd9Sstevel@tonic-gate 172*7c478bd9Sstevel@tonic-gate case SCF_MSG_PATTERN_NOENTITY: 173*7c478bd9Sstevel@tonic-gate return (dgettext(TEXT_DOMAIN, 174*7c478bd9Sstevel@tonic-gate "Pattern '%s' doesn't match any entities\n")); 175*7c478bd9Sstevel@tonic-gate 176*7c478bd9Sstevel@tonic-gate case SCF_MSG_PATTERN_MULTIMATCH: 177*7c478bd9Sstevel@tonic-gate return (dgettext(TEXT_DOMAIN, 178*7c478bd9Sstevel@tonic-gate "Pattern '%s' matches multiple instances:\n")); 179*7c478bd9Sstevel@tonic-gate 180*7c478bd9Sstevel@tonic-gate case SCF_MSG_PATTERN_POSSIBLE: 181*7c478bd9Sstevel@tonic-gate return (dgettext(TEXT_DOMAIN, " %s\n")); 182*7c478bd9Sstevel@tonic-gate 183*7c478bd9Sstevel@tonic-gate case SCF_MSG_PATTERN_LEGACY: 184*7c478bd9Sstevel@tonic-gate return (dgettext(TEXT_DOMAIN, 185*7c478bd9Sstevel@tonic-gate "Operation not supported for legacy service '%s'\n")); 186*7c478bd9Sstevel@tonic-gate 187*7c478bd9Sstevel@tonic-gate default: 188*7c478bd9Sstevel@tonic-gate abort(); 189*7c478bd9Sstevel@tonic-gate /* NOTREACHED */ 190*7c478bd9Sstevel@tonic-gate } 191*7c478bd9Sstevel@tonic-gate 192*7c478bd9Sstevel@tonic-gate } 193