1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <stdio.h> 30*0Sstevel@tonic-gate #include <stdlib.h> 31*0Sstevel@tonic-gate #include <errno.h> 32*0Sstevel@tonic-gate #include <string.h> 33*0Sstevel@tonic-gate #include <meta.h> 34*0Sstevel@tonic-gate #include <sys/types.h> 35*0Sstevel@tonic-gate #include <sys/mkdev.h> 36*0Sstevel@tonic-gate #include <sys/stat.h> 37*0Sstevel@tonic-gate #include <limits.h> 38*0Sstevel@tonic-gate #include <svm.h> 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate /* 41*0Sstevel@tonic-gate * FUNCTION: valid_bootlist 42*0Sstevel@tonic-gate * 43*0Sstevel@tonic-gate * INPUT: file pointer, line buffer, line_length 44*0Sstevel@tonic-gate * 45*0Sstevel@tonic-gate * RETURN VALUES: 46*0Sstevel@tonic-gate * 0 - SUCCESS 47*0Sstevel@tonic-gate * -1 - FAIL 48*0Sstevel@tonic-gate * 49*0Sstevel@tonic-gate */ 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate int 52*0Sstevel@tonic-gate valid_bootlist(FILE *fp, int line_len) 53*0Sstevel@tonic-gate { 54*0Sstevel@tonic-gate char *bp = NULL; 55*0Sstevel@tonic-gate char *line; 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate /* 58*0Sstevel@tonic-gate * errno may not be cleared by callee routines and we 59*0Sstevel@tonic-gate * we want to catch fgets failures hence errno is reset. 60*0Sstevel@tonic-gate */ 61*0Sstevel@tonic-gate errno = 0; 62*0Sstevel@tonic-gate if ((line = malloc(line_len)) == NULL) 63*0Sstevel@tonic-gate return (RET_ERROR); 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate while (fgets(line, line_len, fp) != NULL) { 66*0Sstevel@tonic-gate bp = strstr(line, "mddb_bootlist"); 67*0Sstevel@tonic-gate if (bp != NULL) { 68*0Sstevel@tonic-gate /* if not commented out then breakout */ 69*0Sstevel@tonic-gate if (*line != '*' && *line != '#') { 70*0Sstevel@tonic-gate break; 71*0Sstevel@tonic-gate } 72*0Sstevel@tonic-gate } 73*0Sstevel@tonic-gate } 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate free(line); 76*0Sstevel@tonic-gate if (bp == NULL || errno != 0) 77*0Sstevel@tonic-gate return (RET_ERROR); 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate return (RET_SUCCESS); 80*0Sstevel@tonic-gate } 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate /* 83*0Sstevel@tonic-gate * FUNCTION: svm_check 84*0Sstevel@tonic-gate * Check the existance of DiskSuite or SVM 85*0Sstevel@tonic-gate * 86*0Sstevel@tonic-gate * INPUT: rootpath 87*0Sstevel@tonic-gate * 88*0Sstevel@tonic-gate * RETURN VALUES: 89*0Sstevel@tonic-gate * 0 - SUCCESS 90*0Sstevel@tonic-gate * -1 - FAIL 91*0Sstevel@tonic-gate */ 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate int 94*0Sstevel@tonic-gate svm_check(char *path) 95*0Sstevel@tonic-gate { 96*0Sstevel@tonic-gate FILE *fp; 97*0Sstevel@tonic-gate char tmppath[PATH_MAX]; 98*0Sstevel@tonic-gate int rval; 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate (void) strcat(strcpy(tmppath, path), MD_CONF); 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate if ((fp = fopen(tmppath, "r")) == NULL) { 103*0Sstevel@tonic-gate rval = errno; 104*0Sstevel@tonic-gate goto free_exit; 105*0Sstevel@tonic-gate } 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate rval = valid_bootlist(fp, MDDB_BOOTLIST_MAX_LEN); 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate debug_printf("svm_check(): valid bootlist in %s. status %d\n", 110*0Sstevel@tonic-gate tmppath, rval); 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate if (rval == RET_SUCCESS) { 113*0Sstevel@tonic-gate goto free_exit; 114*0Sstevel@tonic-gate } 115*0Sstevel@tonic-gate (void) fclose(fp); 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate /* not found in md.conf try etc/system */ 118*0Sstevel@tonic-gate (void) strcat(strcpy(tmppath, path), SYSTEM_FILE); 119*0Sstevel@tonic-gate 120*0Sstevel@tonic-gate if ((fp = fopen(tmppath, "r")) == NULL) { 121*0Sstevel@tonic-gate rval = errno; 122*0Sstevel@tonic-gate goto free_exit; 123*0Sstevel@tonic-gate } 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate rval = valid_bootlist(fp, MDDB_BOOTLIST_MAX_LEN); 126*0Sstevel@tonic-gate 127*0Sstevel@tonic-gate debug_printf("svm_check(): valid bootlist in %s. status %d\n", 128*0Sstevel@tonic-gate tmppath, rval); 129*0Sstevel@tonic-gate free_exit: 130*0Sstevel@tonic-gate (void) fclose(fp); 131*0Sstevel@tonic-gate if (rval > 0) 132*0Sstevel@tonic-gate rval = RET_ERROR; 133*0Sstevel@tonic-gate return (rval); 134*0Sstevel@tonic-gate } 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate /* 137*0Sstevel@tonic-gate * FUNCTION: svm_is_md 138*0Sstevel@tonic-gate * Check if the the given device name has an md driver. 139*0Sstevel@tonic-gate * INPUT: special device name (/dev/dsk/c0t0d0s0 or /dev/md/dsk/d10) 140*0Sstevel@tonic-gate * 141*0Sstevel@tonic-gate * RETURN: 142*0Sstevel@tonic-gate * 1 - if it is a metadevice. 143*0Sstevel@tonic-gate * 0 - if it is not a metadevice. 144*0Sstevel@tonic-gate */ 145*0Sstevel@tonic-gate 146*0Sstevel@tonic-gate int 147*0Sstevel@tonic-gate svm_is_md(char *device_name) 148*0Sstevel@tonic-gate { 149*0Sstevel@tonic-gate char buf[30]; 150*0Sstevel@tonic-gate struct stat sbuf; 151*0Sstevel@tonic-gate int rval = 0; 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate (void) memset(buf, 0, 30); 154*0Sstevel@tonic-gate 155*0Sstevel@tonic-gate debug_printf("svm_is_md(): device %s\n", device_name); 156*0Sstevel@tonic-gate if (stat(device_name, &sbuf) != 0) 157*0Sstevel@tonic-gate return (RET_ERROR); 158*0Sstevel@tonic-gate 159*0Sstevel@tonic-gate if (get_drv_name(major(sbuf.st_rdev), "/", buf) == RET_ERROR) { 160*0Sstevel@tonic-gate debug_printf("svm_is_md(): device get_drv_name failed: %s\n", 161*0Sstevel@tonic-gate device_name); 162*0Sstevel@tonic-gate return (0); 163*0Sstevel@tonic-gate } 164*0Sstevel@tonic-gate if (strcmp(buf, MD_MODULE) == 0) { 165*0Sstevel@tonic-gate debug_printf("svm_is_md(): device %s succeed\n", device_name); 166*0Sstevel@tonic-gate rval = 1; 167*0Sstevel@tonic-gate } 168*0Sstevel@tonic-gate return (rval); 169*0Sstevel@tonic-gate } 170