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 2004 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 /* 30*0Sstevel@tonic-gate * misc.c - miscellaneous and utility functions 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #include <sys/stat.h> 34*0Sstevel@tonic-gate #include <sys/statvfs.h> 35*0Sstevel@tonic-gate #include <sys/types.h> 36*0Sstevel@tonic-gate #include <ctype.h> 37*0Sstevel@tonic-gate #include <errno.h> 38*0Sstevel@tonic-gate #include <fcntl.h> 39*0Sstevel@tonic-gate #include <libscf_priv.h> 40*0Sstevel@tonic-gate #include <libuutil.h> 41*0Sstevel@tonic-gate #include <stdio.h> 42*0Sstevel@tonic-gate #include <stdlib.h> 43*0Sstevel@tonic-gate #include <string.h> 44*0Sstevel@tonic-gate #include <strings.h> 45*0Sstevel@tonic-gate #include <syslog.h> 46*0Sstevel@tonic-gate #include <unistd.h> 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate #include "startd.h" 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate void 51*0Sstevel@tonic-gate startd_close(int fd) 52*0Sstevel@tonic-gate { 53*0Sstevel@tonic-gate if (close(fd) == 0) 54*0Sstevel@tonic-gate return; 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate log_error(LOG_WARNING, "close(%d) failed: %s\n", fd, strerror(errno)); 57*0Sstevel@tonic-gate abort(); 58*0Sstevel@tonic-gate } 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate void 61*0Sstevel@tonic-gate startd_fclose(FILE *fp) 62*0Sstevel@tonic-gate { 63*0Sstevel@tonic-gate if (fclose(fp) == 0) 64*0Sstevel@tonic-gate return; 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate log_error(LOG_WARNING, "fclose() failed\n"); 67*0Sstevel@tonic-gate abort(); 68*0Sstevel@tonic-gate } 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate /* 71*0Sstevel@tonic-gate * Canonify fmri. On success, sets *retp to a string which should be freed 72*0Sstevel@tonic-gate * with startd_free( , max_scf_fmri_size) and returns 0. On failure returns 73*0Sstevel@tonic-gate * EINVAL. 74*0Sstevel@tonic-gate * 75*0Sstevel@tonic-gate * If 'isinstance' is non-zero, then return EINVAL if the FMRI specificies 76*0Sstevel@tonic-gate * anything other than an instance. 77*0Sstevel@tonic-gate */ 78*0Sstevel@tonic-gate int 79*0Sstevel@tonic-gate fmri_canonify(const char *fmri, char **retp, boolean_t isinstance) 80*0Sstevel@tonic-gate { 81*0Sstevel@tonic-gate char *cf; 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate cf = startd_alloc(max_scf_fmri_size); 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate if (isinstance) { 86*0Sstevel@tonic-gate const char *instance, *pg; 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate /* 89*0Sstevel@tonic-gate * Verify that this fmri specifies an instance, using 90*0Sstevel@tonic-gate * scf_parse_svc_fmri(). 91*0Sstevel@tonic-gate */ 92*0Sstevel@tonic-gate if (strlcpy(cf, fmri, max_scf_fmri_size) >= max_scf_fmri_size || 93*0Sstevel@tonic-gate scf_parse_svc_fmri(cf, NULL, NULL, &instance, &pg, 94*0Sstevel@tonic-gate NULL) != 0) { 95*0Sstevel@tonic-gate startd_free(cf, max_scf_fmri_size); 96*0Sstevel@tonic-gate return (EINVAL); 97*0Sstevel@tonic-gate } 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate if (instance == NULL || pg != NULL) { 100*0Sstevel@tonic-gate startd_free(cf, max_scf_fmri_size); 101*0Sstevel@tonic-gate return (EINVAL); 102*0Sstevel@tonic-gate } 103*0Sstevel@tonic-gate } 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate if (scf_canonify_fmri(fmri, cf, max_scf_fmri_size) < 0) { 106*0Sstevel@tonic-gate startd_free(cf, max_scf_fmri_size); 107*0Sstevel@tonic-gate return (EINVAL); 108*0Sstevel@tonic-gate } 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate *retp = cf; 111*0Sstevel@tonic-gate return (0); 112*0Sstevel@tonic-gate } 113*0Sstevel@tonic-gate 114*0Sstevel@tonic-gate /* 115*0Sstevel@tonic-gate * int fs_is_read_only(char *, ulong_t *) 116*0Sstevel@tonic-gate * Returns 1 if the given path is that of a filesystem with the ST_RDONLY flag 117*0Sstevel@tonic-gate * set. 0 if ST_RDONLY is unset. -1 if the statvfs(2) call failed. If the 118*0Sstevel@tonic-gate * second parameter is non-NULL, the fsid for the requested filesystem is 119*0Sstevel@tonic-gate * written to the given address on success. 120*0Sstevel@tonic-gate */ 121*0Sstevel@tonic-gate int 122*0Sstevel@tonic-gate fs_is_read_only(char *path, ulong_t *fsidp) 123*0Sstevel@tonic-gate { 124*0Sstevel@tonic-gate int err; 125*0Sstevel@tonic-gate struct statvfs sfb; 126*0Sstevel@tonic-gate 127*0Sstevel@tonic-gate do { 128*0Sstevel@tonic-gate err = statvfs(path, &sfb); 129*0Sstevel@tonic-gate } while (err == -1 && errno == EINTR); 130*0Sstevel@tonic-gate 131*0Sstevel@tonic-gate if (err) 132*0Sstevel@tonic-gate return (-1); 133*0Sstevel@tonic-gate 134*0Sstevel@tonic-gate if (fsidp != NULL) 135*0Sstevel@tonic-gate *fsidp = sfb.f_fsid; 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate if (sfb.f_flag & ST_RDONLY) 138*0Sstevel@tonic-gate return (1); 139*0Sstevel@tonic-gate 140*0Sstevel@tonic-gate return (0); 141*0Sstevel@tonic-gate } 142*0Sstevel@tonic-gate 143*0Sstevel@tonic-gate /* 144*0Sstevel@tonic-gate * int fs_remount(char *) 145*0Sstevel@tonic-gate * Attempt to remount the given filesystem read-write, so that we can unlock 146*0Sstevel@tonic-gate * the repository (or handle other similar failures). 147*0Sstevel@tonic-gate * 148*0Sstevel@tonic-gate * Returns 0 on success, -1 on failure. 149*0Sstevel@tonic-gate */ 150*0Sstevel@tonic-gate int 151*0Sstevel@tonic-gate fs_remount(char *path) 152*0Sstevel@tonic-gate { 153*0Sstevel@tonic-gate if (fork_mount(path, "remount,rw")) 154*0Sstevel@tonic-gate return (-1); 155*0Sstevel@tonic-gate 156*0Sstevel@tonic-gate return (0); 157*0Sstevel@tonic-gate } 158*0Sstevel@tonic-gate 159*0Sstevel@tonic-gate /* 160*0Sstevel@tonic-gate * void xstr_sanitize(char *s) 161*0Sstevel@tonic-gate * In-place transform any non-alphanumeric characters (or '_') to '_' 162*0Sstevel@tonic-gate * characters. 163*0Sstevel@tonic-gate */ 164*0Sstevel@tonic-gate void 165*0Sstevel@tonic-gate xstr_sanitize(char *s) 166*0Sstevel@tonic-gate { 167*0Sstevel@tonic-gate for (; *s != '\0'; s++) 168*0Sstevel@tonic-gate if (!isalnum(*s) && *s != '_') 169*0Sstevel@tonic-gate *s = '_'; 170*0Sstevel@tonic-gate } 171