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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #include <unistd.h> 34*0Sstevel@tonic-gate #include <stdarg.h> 35*0Sstevel@tonic-gate #include <stdlib.h> 36*0Sstevel@tonic-gate #include <stdio.h> 37*0Sstevel@tonic-gate #include <errno.h> 38*0Sstevel@tonic-gate #include <sys/types.h> 39*0Sstevel@tonic-gate #include <ctype.h> 40*0Sstevel@tonic-gate #include <string.h> 41*0Sstevel@tonic-gate #include <sys/stat.h> 42*0Sstevel@tonic-gate #include <fcntl.h> 43*0Sstevel@tonic-gate #include <sys/stropts.h> 44*0Sstevel@tonic-gate #include <sys/sad.h> 45*0Sstevel@tonic-gate #include "ttymon.h" 46*0Sstevel@tonic-gate #include "tmstruct.h" 47*0Sstevel@tonic-gate #include "tmextern.h" 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate #define NSTRPUSH 9 /* should agree with the tunable in */ 50*0Sstevel@tonic-gate /* /etc/master.d/kernel */ 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate /* 53*0Sstevel@tonic-gate * check_device - check to see if the device exists, 54*0Sstevel@tonic-gate * - and if it is a character device 55*0Sstevel@tonic-gate * - return 0 if everything is ok. Otherwise, return -1 56*0Sstevel@tonic-gate */ 57*0Sstevel@tonic-gate int 58*0Sstevel@tonic-gate check_device(char *device) 59*0Sstevel@tonic-gate { 60*0Sstevel@tonic-gate struct stat statbuf; 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate if ((device == NULL) || (*device == '\0')) { 63*0Sstevel@tonic-gate log("error -- device field is missing"); 64*0Sstevel@tonic-gate return(-1); 65*0Sstevel@tonic-gate } 66*0Sstevel@tonic-gate if (*device != '/') { 67*0Sstevel@tonic-gate log("error -- must specify full path name for \"%s\".", device); 68*0Sstevel@tonic-gate return(-1); 69*0Sstevel@tonic-gate } 70*0Sstevel@tonic-gate if (access(device, 0) == 0) { 71*0Sstevel@tonic-gate if (stat(device,&statbuf) < 0) { 72*0Sstevel@tonic-gate log("stat(%s) failed: %s", device, strerror(errno)); 73*0Sstevel@tonic-gate return(-1); 74*0Sstevel@tonic-gate } 75*0Sstevel@tonic-gate if ((statbuf.st_mode & S_IFMT) != S_IFCHR) { 76*0Sstevel@tonic-gate log("error -- \"%s\" not character special device", 77*0Sstevel@tonic-gate device); 78*0Sstevel@tonic-gate return(-1); 79*0Sstevel@tonic-gate } 80*0Sstevel@tonic-gate } 81*0Sstevel@tonic-gate else { 82*0Sstevel@tonic-gate log("error -- device \"%s\" does not exist", device); 83*0Sstevel@tonic-gate return(-1); 84*0Sstevel@tonic-gate } 85*0Sstevel@tonic-gate return(0); 86*0Sstevel@tonic-gate } 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate /* 89*0Sstevel@tonic-gate * check_cmd - check to see if the cmd file exists, 90*0Sstevel@tonic-gate * - and if it is executable 91*0Sstevel@tonic-gate * - return 0 if everything is ok. Otherwise, return -1 92*0Sstevel@tonic-gate */ 93*0Sstevel@tonic-gate int 94*0Sstevel@tonic-gate check_cmd(char *cmd) 95*0Sstevel@tonic-gate { 96*0Sstevel@tonic-gate struct stat statbuf; 97*0Sstevel@tonic-gate char tbuf[BUFSIZ]; 98*0Sstevel@tonic-gate char *tp = tbuf; 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate if ((cmd == NULL) || (*cmd == '\0')) { 101*0Sstevel@tonic-gate log("error -- server command is missing"); 102*0Sstevel@tonic-gate return(-1); 103*0Sstevel@tonic-gate } 104*0Sstevel@tonic-gate (void)strcpy(tp,cmd); 105*0Sstevel@tonic-gate (void)strtok(tp, " \t"); 106*0Sstevel@tonic-gate if (*tp != '/') { 107*0Sstevel@tonic-gate log("error -- must specify full path name for \"%s\".", tp); 108*0Sstevel@tonic-gate return(-1); 109*0Sstevel@tonic-gate } 110*0Sstevel@tonic-gate if (access(tp, 0) == 0) { 111*0Sstevel@tonic-gate if (stat(tp,&statbuf) < 0) { 112*0Sstevel@tonic-gate log("stat(%s) failed.", tp); 113*0Sstevel@tonic-gate return(-1); 114*0Sstevel@tonic-gate } 115*0Sstevel@tonic-gate if (!(statbuf.st_mode & 0111)) { 116*0Sstevel@tonic-gate log("error -- \"%s\" not executable\n", tp); 117*0Sstevel@tonic-gate return(-1); 118*0Sstevel@tonic-gate } 119*0Sstevel@tonic-gate if ((statbuf.st_mode & S_IFMT) != S_IFREG) { 120*0Sstevel@tonic-gate log("error -- \"%s\" not a regular file", tp); 121*0Sstevel@tonic-gate return(-1); 122*0Sstevel@tonic-gate } 123*0Sstevel@tonic-gate } 124*0Sstevel@tonic-gate else { 125*0Sstevel@tonic-gate log("error -- \"%s\" does not exist", tp); 126*0Sstevel@tonic-gate return(-1); 127*0Sstevel@tonic-gate } 128*0Sstevel@tonic-gate return(0); 129*0Sstevel@tonic-gate } 130*0Sstevel@tonic-gate 131*0Sstevel@tonic-gate /* 132*0Sstevel@tonic-gate * strcheck(sp, flag) - check string 133*0Sstevel@tonic-gate * - if flag == ALNUM, all char. are expected to 134*0Sstevel@tonic-gate * be alphanumeric 135*0Sstevel@tonic-gate * - if flag == NUM, all char. are expected to 136*0Sstevel@tonic-gate * be digits and the number must be >= 0 137*0Sstevel@tonic-gate * - return 0 if successful, -1 if failed. 138*0Sstevel@tonic-gate */ 139*0Sstevel@tonic-gate int 140*0Sstevel@tonic-gate strcheck(sp, flag) 141*0Sstevel@tonic-gate char *sp; /* string ptr */ 142*0Sstevel@tonic-gate int flag; /* either NUM or ALNUM */ 143*0Sstevel@tonic-gate { 144*0Sstevel@tonic-gate register char *cp; 145*0Sstevel@tonic-gate if (flag == NUM) { 146*0Sstevel@tonic-gate for (cp = sp; *cp; cp++) { 147*0Sstevel@tonic-gate if (!isdigit(*cp)) { 148*0Sstevel@tonic-gate return(-1); 149*0Sstevel@tonic-gate } 150*0Sstevel@tonic-gate } 151*0Sstevel@tonic-gate } 152*0Sstevel@tonic-gate else { /* (flag == ALNUM) */ 153*0Sstevel@tonic-gate for (cp = sp; *cp; cp++) { 154*0Sstevel@tonic-gate if (!isalnum(*cp)) { 155*0Sstevel@tonic-gate return(-1); 156*0Sstevel@tonic-gate } 157*0Sstevel@tonic-gate } 158*0Sstevel@tonic-gate } 159*0Sstevel@tonic-gate return(0); 160*0Sstevel@tonic-gate } 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate /* 163*0Sstevel@tonic-gate * vml(modules) - validate a list of modules 164*0Sstevel@tonic-gate * - return 0 if successful, -1 if failed 165*0Sstevel@tonic-gate */ 166*0Sstevel@tonic-gate int 167*0Sstevel@tonic-gate vml(modules) 168*0Sstevel@tonic-gate char *modules; 169*0Sstevel@tonic-gate { 170*0Sstevel@tonic-gate char *modp, *svmodp; 171*0Sstevel@tonic-gate int i, fd; 172*0Sstevel@tonic-gate struct str_mlist newmods[NSTRPUSH]; /* modlist for newlist */ 173*0Sstevel@tonic-gate struct str_list newlist; /* modules to be pushed */ 174*0Sstevel@tonic-gate 175*0Sstevel@tonic-gate if ((modules == NULL) || (*modules == '\0')) 176*0Sstevel@tonic-gate return(0); 177*0Sstevel@tonic-gate 178*0Sstevel@tonic-gate newlist.sl_modlist = newmods; 179*0Sstevel@tonic-gate newlist.sl_nmods = NSTRPUSH; 180*0Sstevel@tonic-gate if ((modp = malloc(strlen(modules) + 1)) == NULL) { 181*0Sstevel@tonic-gate log("vml: malloc failed"); 182*0Sstevel@tonic-gate return (-1); 183*0Sstevel@tonic-gate }; 184*0Sstevel@tonic-gate svmodp = modp; 185*0Sstevel@tonic-gate (void)strcpy(modp, modules); 186*0Sstevel@tonic-gate /* 187*0Sstevel@tonic-gate * pull mod names out of comma-separated list 188*0Sstevel@tonic-gate */ 189*0Sstevel@tonic-gate for ( i = 0, modp = strtok(modp, ","); 190*0Sstevel@tonic-gate modp != NULL; i++, modp = strtok(NULL, ",") ) { 191*0Sstevel@tonic-gate if ( i >= NSTRPUSH) { 192*0Sstevel@tonic-gate log("too many modules in <%s>", modules); 193*0Sstevel@tonic-gate i = -1; 194*0Sstevel@tonic-gate break; 195*0Sstevel@tonic-gate } 196*0Sstevel@tonic-gate (void)strncpy(newlist.sl_modlist[i].l_name, 197*0Sstevel@tonic-gate modp, FMNAMESZ); 198*0Sstevel@tonic-gate newlist.sl_modlist[i].l_name[FMNAMESZ] = '\0'; 199*0Sstevel@tonic-gate } 200*0Sstevel@tonic-gate free(svmodp); 201*0Sstevel@tonic-gate if (i == -1) 202*0Sstevel@tonic-gate return (-1); 203*0Sstevel@tonic-gate newlist.sl_nmods = i; 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate /* 206*0Sstevel@tonic-gate * Is it a valid list of modules? 207*0Sstevel@tonic-gate */ 208*0Sstevel@tonic-gate if ((fd = open(USERDEV, O_RDWR)) == -1) { 209*0Sstevel@tonic-gate if (errno == EBUSY) { 210*0Sstevel@tonic-gate log("Warning - can't validate module list, /dev/sad/user busy"); 211*0Sstevel@tonic-gate return(0); 212*0Sstevel@tonic-gate } 213*0Sstevel@tonic-gate log("open /dev/sad/user failed: %s", strerror(errno)); 214*0Sstevel@tonic-gate return(-1); 215*0Sstevel@tonic-gate } 216*0Sstevel@tonic-gate if ( (i = ioctl(fd, SAD_VML, &newlist)) < 0 ) { 217*0Sstevel@tonic-gate log("Validate modules ioctl failed, modules = <%s>: %s", 218*0Sstevel@tonic-gate modules, strerror(errno)); 219*0Sstevel@tonic-gate (void)close(fd); 220*0Sstevel@tonic-gate return(-1); 221*0Sstevel@tonic-gate } 222*0Sstevel@tonic-gate if ( i != 0 ) { 223*0Sstevel@tonic-gate log("Error - invalid STREAMS module list <%s>.", modules); 224*0Sstevel@tonic-gate (void)close(fd); 225*0Sstevel@tonic-gate return(-1); 226*0Sstevel@tonic-gate } 227*0Sstevel@tonic-gate (void)close(fd); 228*0Sstevel@tonic-gate return(0); 229*0Sstevel@tonic-gate } 230*0Sstevel@tonic-gate 231*0Sstevel@tonic-gate /* 232*0Sstevel@tonic-gate * copystr(s1, s2) - copy string s2 to string s1 233*0Sstevel@tonic-gate * - also put '\' in front of ':' 234*0Sstevel@tonic-gate */ 235*0Sstevel@tonic-gate void 236*0Sstevel@tonic-gate copystr(s1,s2) 237*0Sstevel@tonic-gate char *s1, *s2; 238*0Sstevel@tonic-gate { 239*0Sstevel@tonic-gate while (*s2) { 240*0Sstevel@tonic-gate if (*s2 == ':') { 241*0Sstevel@tonic-gate *s1++ = '\\'; 242*0Sstevel@tonic-gate } 243*0Sstevel@tonic-gate *s1++ = *s2++; 244*0Sstevel@tonic-gate } 245*0Sstevel@tonic-gate *s1 = '\0'; 246*0Sstevel@tonic-gate } 247*0Sstevel@tonic-gate 248*0Sstevel@tonic-gate /*PRINTFLIKE1*/ 249*0Sstevel@tonic-gate void 250*0Sstevel@tonic-gate cons_printf(const char *fmt, ...) 251*0Sstevel@tonic-gate { 252*0Sstevel@tonic-gate char buf[MAXPATHLEN * 2]; /* enough space for msg including a path */ 253*0Sstevel@tonic-gate int fd; 254*0Sstevel@tonic-gate va_list ap; 255*0Sstevel@tonic-gate 256*0Sstevel@tonic-gate va_start(ap, fmt); 257*0Sstevel@tonic-gate (void) vsnprintf(buf, sizeof (buf), fmt, ap); 258*0Sstevel@tonic-gate va_end(ap); 259*0Sstevel@tonic-gate 260*0Sstevel@tonic-gate if ((fd = open(CONSOLE, O_WRONLY|O_NOCTTY)) != -1) 261*0Sstevel@tonic-gate (void) write(fd, buf, strlen(buf) + 1); 262*0Sstevel@tonic-gate (void) close(fd); 263*0Sstevel@tonic-gate } 264