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 2005 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 * PICL daemon 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #include <stdio.h> 34*0Sstevel@tonic-gate #include <stdlib.h> 35*0Sstevel@tonic-gate #include <stdarg.h> 36*0Sstevel@tonic-gate #include <string.h> 37*0Sstevel@tonic-gate #include <libintl.h> 38*0Sstevel@tonic-gate #include <locale.h> 39*0Sstevel@tonic-gate #include <alloca.h> 40*0Sstevel@tonic-gate #include <errno.h> 41*0Sstevel@tonic-gate #include <assert.h> 42*0Sstevel@tonic-gate #include <stropts.h> 43*0Sstevel@tonic-gate #include <unistd.h> 44*0Sstevel@tonic-gate #include <signal.h> 45*0Sstevel@tonic-gate #include <pthread.h> 46*0Sstevel@tonic-gate #include <synch.h> 47*0Sstevel@tonic-gate #include <door.h> 48*0Sstevel@tonic-gate #include <sys/door.h> 49*0Sstevel@tonic-gate #include <fcntl.h> 50*0Sstevel@tonic-gate #include <dlfcn.h> 51*0Sstevel@tonic-gate #include <time.h> 52*0Sstevel@tonic-gate #include <sys/utsname.h> 53*0Sstevel@tonic-gate #include <sys/systeminfo.h> 54*0Sstevel@tonic-gate #include <sys/stat.h> 55*0Sstevel@tonic-gate #include <sys/wait.h> 56*0Sstevel@tonic-gate #include <dirent.h> 57*0Sstevel@tonic-gate #include <syslog.h> 58*0Sstevel@tonic-gate #include <poll.h> 59*0Sstevel@tonic-gate #include <limits.h> 60*0Sstevel@tonic-gate #include <picl.h> 61*0Sstevel@tonic-gate #include "picl2door.h" 62*0Sstevel@tonic-gate #include <picltree.h> 63*0Sstevel@tonic-gate #include "ptree_impl.h" 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate /* 66*0Sstevel@tonic-gate * Log text messages 67*0Sstevel@tonic-gate */ 68*0Sstevel@tonic-gate #define MUST_BE_ROOT gettext("this program must be run as root\n") 69*0Sstevel@tonic-gate #define CD_ROOT_FAILED gettext("chdir to root failed\n") 70*0Sstevel@tonic-gate #define INIT_FAILED gettext("ptree initialization failed\n") 71*0Sstevel@tonic-gate #define DAEMON_RUNNING gettext("PICL daemon already running\n") 72*0Sstevel@tonic-gate #define DOOR_FAILED gettext("Failed creating picld door\n") 73*0Sstevel@tonic-gate #define SIGACT_FAILED \ 74*0Sstevel@tonic-gate gettext("Failed to install signal handler for %s: %s\n") 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate /* 77*0Sstevel@tonic-gate * Constants 78*0Sstevel@tonic-gate */ 79*0Sstevel@tonic-gate #define PICLD "picld" 80*0Sstevel@tonic-gate #define DOS_PICL_REQUESTS_LIMIT 10000 81*0Sstevel@tonic-gate #define SLIDING_INTERVAL_MILLISECONDS 1000 82*0Sstevel@tonic-gate #define PICLD_MAJOR_REV 0x1 83*0Sstevel@tonic-gate #define PICLD_MINOR_REV 0x0 84*0Sstevel@tonic-gate #define DOS_SLEEPTIME_MS 1000 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate /* 87*0Sstevel@tonic-gate * Macros 88*0Sstevel@tonic-gate */ 89*0Sstevel@tonic-gate #define PICLD_VERSION(x, y) ((x << 8) | y) 90*0Sstevel@tonic-gate #define PICL_CLIENT_REV(x) (x & 0xff) 91*0Sstevel@tonic-gate #define MILLI_TO_NANO(x) (x * 1000000) 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate extern char **environ; 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate /* 96*0Sstevel@tonic-gate * Module Variables 97*0Sstevel@tonic-gate */ 98*0Sstevel@tonic-gate static int logflag = 1; 99*0Sstevel@tonic-gate static int doreinit = 0; 100*0Sstevel@tonic-gate static int door_id = -1; 101*0Sstevel@tonic-gate static int service_requests = 0; 102*0Sstevel@tonic-gate static hrtime_t orig_time; 103*0Sstevel@tonic-gate static hrtime_t sliding_interval_ms; 104*0Sstevel@tonic-gate static uint32_t dos_req_limit; 105*0Sstevel@tonic-gate static uint32_t dos_ms; 106*0Sstevel@tonic-gate static pthread_mutex_t dos_mutex = PTHREAD_MUTEX_INITIALIZER; 107*0Sstevel@tonic-gate static rwlock_t init_lk; 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate /* 110*0Sstevel@tonic-gate * This returns an error message to libpicl 111*0Sstevel@tonic-gate */ 112*0Sstevel@tonic-gate static void 113*0Sstevel@tonic-gate picld_return_error(picl_callnumber_t cnum, picl_errno_t err) 114*0Sstevel@tonic-gate { 115*0Sstevel@tonic-gate picl_reterror_t ret_error; 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate ret_error.cnum = PICL_CNUM_ERROR; 118*0Sstevel@tonic-gate ret_error.in_cnum = cnum; 119*0Sstevel@tonic-gate ret_error.errnum = err; 120*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 121*0Sstevel@tonic-gate (void) door_return((char *)&ret_error, sizeof (picl_reterror_t), NULL, 122*0Sstevel@tonic-gate 0); 123*0Sstevel@tonic-gate } 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate /* 126*0Sstevel@tonic-gate * picld_init is called when a picl_initialize request is received 127*0Sstevel@tonic-gate */ 128*0Sstevel@tonic-gate static void 129*0Sstevel@tonic-gate picld_init(picl_service_t *req) 130*0Sstevel@tonic-gate { 131*0Sstevel@tonic-gate picl_retinit_t ret_init; 132*0Sstevel@tonic-gate int clmajrev; 133*0Sstevel@tonic-gate 134*0Sstevel@tonic-gate clmajrev = PICL_CLIENT_REV(req->req_init.clrev); 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate if (clmajrev < PICL_VERSION_1) 137*0Sstevel@tonic-gate picld_return_error(req->req_init.cnum, PICL_NOTSUPPORTED); 138*0Sstevel@tonic-gate 139*0Sstevel@tonic-gate ret_init.cnum = req->req_init.cnum; 140*0Sstevel@tonic-gate ret_init.rev = PICLD_VERSION(PICLD_MAJOR_REV, PICLD_MINOR_REV); 141*0Sstevel@tonic-gate 142*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 143*0Sstevel@tonic-gate (void) door_return((char *)&ret_init, sizeof (picl_retinit_t), NULL, 0); 144*0Sstevel@tonic-gate } 145*0Sstevel@tonic-gate 146*0Sstevel@tonic-gate /* 147*0Sstevel@tonic-gate * picld_fini is called when a picl_shutdown request is received 148*0Sstevel@tonic-gate */ 149*0Sstevel@tonic-gate static void 150*0Sstevel@tonic-gate picld_fini(picl_service_t *in) 151*0Sstevel@tonic-gate { 152*0Sstevel@tonic-gate picl_retfini_t ret; 153*0Sstevel@tonic-gate 154*0Sstevel@tonic-gate ret.cnum = in->req_fini.cnum; 155*0Sstevel@tonic-gate 156*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 157*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retfini_t), NULL, 0); 158*0Sstevel@tonic-gate } 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate static void 161*0Sstevel@tonic-gate picld_ping(picl_service_t *in) 162*0Sstevel@tonic-gate { 163*0Sstevel@tonic-gate picl_retping_t ret; 164*0Sstevel@tonic-gate 165*0Sstevel@tonic-gate ret.cnum = in->req_ping.cnum; 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 168*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retping_t), NULL, 0); 169*0Sstevel@tonic-gate } 170*0Sstevel@tonic-gate 171*0Sstevel@tonic-gate /* 172*0Sstevel@tonic-gate * picld_wait is called when a picl_wait request is received 173*0Sstevel@tonic-gate */ 174*0Sstevel@tonic-gate static void 175*0Sstevel@tonic-gate picld_wait(picl_service_t *in) 176*0Sstevel@tonic-gate { 177*0Sstevel@tonic-gate picl_retwait_t ret; 178*0Sstevel@tonic-gate int err; 179*0Sstevel@tonic-gate 180*0Sstevel@tonic-gate ret.cnum = in->req_wait.cnum; 181*0Sstevel@tonic-gate 182*0Sstevel@tonic-gate err = xptree_refresh_notify(in->req_wait.secs); 183*0Sstevel@tonic-gate ret.retcode = err; 184*0Sstevel@tonic-gate 185*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 186*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retwait_t), NULL, 0); 187*0Sstevel@tonic-gate } 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate /* 190*0Sstevel@tonic-gate * This function returns the handle of the root node of the PICL tree 191*0Sstevel@tonic-gate */ 192*0Sstevel@tonic-gate static void 193*0Sstevel@tonic-gate picld_getroot(picl_service_t *in) 194*0Sstevel@tonic-gate { 195*0Sstevel@tonic-gate picl_retroot_t ret; 196*0Sstevel@tonic-gate int err; 197*0Sstevel@tonic-gate 198*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_GETROOT; 199*0Sstevel@tonic-gate err = ptree_get_root(&ret.rnode); 200*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 201*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 202*0Sstevel@tonic-gate cvt_ptree2picl(&ret.rnode); 203*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 204*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retroot_t), NULL, 0); 205*0Sstevel@tonic-gate } 206*0Sstevel@tonic-gate 207*0Sstevel@tonic-gate /* 208*0Sstevel@tonic-gate * This function returns the value of the PICL property 209*0Sstevel@tonic-gate */ 210*0Sstevel@tonic-gate static void 211*0Sstevel@tonic-gate picld_get_attrval(picl_service_t *in) 212*0Sstevel@tonic-gate { 213*0Sstevel@tonic-gate picl_retattrval_t *ret; 214*0Sstevel@tonic-gate int err; 215*0Sstevel@tonic-gate size_t vbufsize; 216*0Sstevel@tonic-gate size_t len; 217*0Sstevel@tonic-gate door_cred_t cred; 218*0Sstevel@tonic-gate picl_prophdl_t ptreeh; 219*0Sstevel@tonic-gate ptree_propinfo_t pinfo; 220*0Sstevel@tonic-gate 221*0Sstevel@tonic-gate if (door_cred(&cred) < 0) 222*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_FAILURE); 223*0Sstevel@tonic-gate 224*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_attrval.attr, &ptreeh); 225*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 226*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 227*0Sstevel@tonic-gate 228*0Sstevel@tonic-gate err = ptree_get_propinfo(ptreeh, &pinfo); 229*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 230*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 231*0Sstevel@tonic-gate 232*0Sstevel@tonic-gate if (!(pinfo.piclinfo.accessmode & PICL_READ)) 233*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_NOTREADABLE); 234*0Sstevel@tonic-gate 235*0Sstevel@tonic-gate vbufsize = pinfo.piclinfo.size; 236*0Sstevel@tonic-gate vbufsize = MIN((size_t)in->req_attrval.bufsize, vbufsize); 237*0Sstevel@tonic-gate 238*0Sstevel@tonic-gate len = sizeof (picl_retattrval_t) + vbufsize; 239*0Sstevel@tonic-gate ret = alloca(len); 240*0Sstevel@tonic-gate if (ret == NULL) 241*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_FAILURE); 242*0Sstevel@tonic-gate ret->cnum = PICL_CNUM_GETATTRVAL; 243*0Sstevel@tonic-gate ret->attr = in->req_attrval.attr; 244*0Sstevel@tonic-gate ret->nbytes = (uint32_t)vbufsize; 245*0Sstevel@tonic-gate err = xptree_get_propval_with_cred(ptreeh, ret->ret_buf, vbufsize, 246*0Sstevel@tonic-gate cred); 247*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 248*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 249*0Sstevel@tonic-gate 250*0Sstevel@tonic-gate /* 251*0Sstevel@tonic-gate * adjust returned bytes for charstrings 252*0Sstevel@tonic-gate */ 253*0Sstevel@tonic-gate if (pinfo.piclinfo.type == PICL_PTYPE_CHARSTRING) 254*0Sstevel@tonic-gate ret->nbytes = (uint32_t)strlen(ret->ret_buf) + 1; 255*0Sstevel@tonic-gate 256*0Sstevel@tonic-gate /* 257*0Sstevel@tonic-gate * convert handle values to picl handles 258*0Sstevel@tonic-gate */ 259*0Sstevel@tonic-gate if ((pinfo.piclinfo.type == PICL_PTYPE_TABLE) || 260*0Sstevel@tonic-gate (pinfo.piclinfo.type == PICL_PTYPE_REFERENCE)) 261*0Sstevel@tonic-gate cvt_ptree2picl(&ret->ret_nodeh); 262*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 263*0Sstevel@tonic-gate (void) door_return((char *)ret, sizeof (picl_retattrval_t) + 264*0Sstevel@tonic-gate (size_t)ret->nbytes, NULL, 0); 265*0Sstevel@tonic-gate } 266*0Sstevel@tonic-gate 267*0Sstevel@tonic-gate /* 268*0Sstevel@tonic-gate * This function returns the value of the PICL property specified by 269*0Sstevel@tonic-gate * its name. 270*0Sstevel@tonic-gate */ 271*0Sstevel@tonic-gate static void 272*0Sstevel@tonic-gate picld_get_attrval_by_name(picl_service_t *in) 273*0Sstevel@tonic-gate { 274*0Sstevel@tonic-gate picl_retattrvalbyname_t *ret; 275*0Sstevel@tonic-gate int err; 276*0Sstevel@tonic-gate size_t vbufsize; 277*0Sstevel@tonic-gate size_t len; 278*0Sstevel@tonic-gate door_cred_t cred; 279*0Sstevel@tonic-gate picl_nodehdl_t ptreeh; 280*0Sstevel@tonic-gate ptree_propinfo_t pinfo; 281*0Sstevel@tonic-gate 282*0Sstevel@tonic-gate if (door_cred(&cred) < 0) 283*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_FAILURE); 284*0Sstevel@tonic-gate 285*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_attrvalbyname.nodeh, &ptreeh); 286*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 287*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 288*0Sstevel@tonic-gate 289*0Sstevel@tonic-gate err = xptree_get_propinfo_by_name(ptreeh, 290*0Sstevel@tonic-gate in->req_attrvalbyname.propname, &pinfo); 291*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 292*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 293*0Sstevel@tonic-gate 294*0Sstevel@tonic-gate if (!(pinfo.piclinfo.accessmode & PICL_READ)) 295*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_NOTREADABLE); 296*0Sstevel@tonic-gate 297*0Sstevel@tonic-gate /* 298*0Sstevel@tonic-gate * allocate the minimum of piclinfo.size and input bufsize 299*0Sstevel@tonic-gate */ 300*0Sstevel@tonic-gate vbufsize = pinfo.piclinfo.size; 301*0Sstevel@tonic-gate vbufsize = MIN((size_t)in->req_attrvalbyname.bufsize, vbufsize); 302*0Sstevel@tonic-gate len = sizeof (picl_retattrvalbyname_t) + vbufsize; 303*0Sstevel@tonic-gate ret = alloca(len); 304*0Sstevel@tonic-gate if (ret == NULL) 305*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_FAILURE); 306*0Sstevel@tonic-gate ret->cnum = PICL_CNUM_GETATTRVALBYNAME; 307*0Sstevel@tonic-gate ret->nodeh = in->req_attrvalbyname.nodeh; 308*0Sstevel@tonic-gate (void) strcpy(ret->propname, in->req_attrvalbyname.propname); 309*0Sstevel@tonic-gate ret->nbytes = (uint32_t)vbufsize; 310*0Sstevel@tonic-gate 311*0Sstevel@tonic-gate err = xptree_get_propval_by_name_with_cred(ptreeh, 312*0Sstevel@tonic-gate in->req_attrvalbyname.propname, ret->ret_buf, vbufsize, 313*0Sstevel@tonic-gate cred); 314*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 315*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 316*0Sstevel@tonic-gate /* 317*0Sstevel@tonic-gate * adjust returned value size for charstrings 318*0Sstevel@tonic-gate */ 319*0Sstevel@tonic-gate if (pinfo.piclinfo.type == PICL_PTYPE_CHARSTRING) 320*0Sstevel@tonic-gate ret->nbytes = (uint32_t)strlen(ret->ret_buf) + 1; 321*0Sstevel@tonic-gate 322*0Sstevel@tonic-gate if ((pinfo.piclinfo.type == PICL_PTYPE_TABLE) || 323*0Sstevel@tonic-gate (pinfo.piclinfo.type == PICL_PTYPE_REFERENCE)) 324*0Sstevel@tonic-gate cvt_ptree2picl(&ret->ret_nodeh); 325*0Sstevel@tonic-gate 326*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 327*0Sstevel@tonic-gate (void) door_return((char *)ret, sizeof (picl_retattrvalbyname_t) + 328*0Sstevel@tonic-gate (size_t)ret->nbytes, NULL, 0); 329*0Sstevel@tonic-gate } 330*0Sstevel@tonic-gate 331*0Sstevel@tonic-gate /* 332*0Sstevel@tonic-gate * This function sets a property value 333*0Sstevel@tonic-gate */ 334*0Sstevel@tonic-gate static void 335*0Sstevel@tonic-gate picld_set_attrval(picl_service_t *in) 336*0Sstevel@tonic-gate { 337*0Sstevel@tonic-gate picl_retsetattrval_t ret; 338*0Sstevel@tonic-gate int err; 339*0Sstevel@tonic-gate door_cred_t cred; 340*0Sstevel@tonic-gate picl_prophdl_t ptreeh; 341*0Sstevel@tonic-gate ptree_propinfo_t pinfo; 342*0Sstevel@tonic-gate 343*0Sstevel@tonic-gate if (door_cred(&cred) < 0) 344*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_FAILURE); 345*0Sstevel@tonic-gate 346*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_setattrval.attr, &ptreeh); 347*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 348*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 349*0Sstevel@tonic-gate 350*0Sstevel@tonic-gate err = ptree_get_propinfo(ptreeh, &pinfo); 351*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 352*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 353*0Sstevel@tonic-gate 354*0Sstevel@tonic-gate if (!(pinfo.piclinfo.accessmode & PICL_WRITE)) 355*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_NOTWRITABLE); 356*0Sstevel@tonic-gate /* 357*0Sstevel@tonic-gate * For non-volatile prop, only super user can set its value. 358*0Sstevel@tonic-gate */ 359*0Sstevel@tonic-gate if (!(pinfo.piclinfo.accessmode & PICL_VOLATILE) && 360*0Sstevel@tonic-gate (cred.dc_euid != SUPER_USER)) 361*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_PERMDENIED); 362*0Sstevel@tonic-gate 363*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_SETATTRVAL; 364*0Sstevel@tonic-gate ret.attr = in->req_setattrval.attr; 365*0Sstevel@tonic-gate 366*0Sstevel@tonic-gate err = xptree_update_propval_with_cred(ptreeh, in->req_setattrval.valbuf, 367*0Sstevel@tonic-gate (size_t)in->req_setattrval.bufsize, cred); 368*0Sstevel@tonic-gate 369*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 370*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 371*0Sstevel@tonic-gate 372*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 373*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retsetattrval_t), NULL, 374*0Sstevel@tonic-gate 0); 375*0Sstevel@tonic-gate } 376*0Sstevel@tonic-gate 377*0Sstevel@tonic-gate /* 378*0Sstevel@tonic-gate * This function sets the value of a property specified by its name. 379*0Sstevel@tonic-gate */ 380*0Sstevel@tonic-gate static void 381*0Sstevel@tonic-gate picld_set_attrval_by_name(picl_service_t *in) 382*0Sstevel@tonic-gate { 383*0Sstevel@tonic-gate picl_retsetattrvalbyname_t ret; 384*0Sstevel@tonic-gate int err; 385*0Sstevel@tonic-gate door_cred_t cred; 386*0Sstevel@tonic-gate picl_prophdl_t ptreeh; 387*0Sstevel@tonic-gate ptree_propinfo_t pinfo; 388*0Sstevel@tonic-gate 389*0Sstevel@tonic-gate if (door_cred(&cred) < 0) 390*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_FAILURE); 391*0Sstevel@tonic-gate 392*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_setattrvalbyname.nodeh, &ptreeh); 393*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 394*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 395*0Sstevel@tonic-gate 396*0Sstevel@tonic-gate err = xptree_get_propinfo_by_name(ptreeh, 397*0Sstevel@tonic-gate in->req_setattrvalbyname.propname, &pinfo); 398*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 399*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 400*0Sstevel@tonic-gate 401*0Sstevel@tonic-gate if (!(pinfo.piclinfo.accessmode & PICL_WRITE)) 402*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_NOTWRITABLE); 403*0Sstevel@tonic-gate 404*0Sstevel@tonic-gate /* 405*0Sstevel@tonic-gate * For non-volatile prop, only super user can set its value. 406*0Sstevel@tonic-gate */ 407*0Sstevel@tonic-gate if (!(pinfo.piclinfo.accessmode & PICL_VOLATILE) && 408*0Sstevel@tonic-gate (cred.dc_euid != SUPER_USER)) 409*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_PERMDENIED); 410*0Sstevel@tonic-gate 411*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_SETATTRVALBYNAME; 412*0Sstevel@tonic-gate ret.nodeh = in->req_setattrvalbyname.nodeh; 413*0Sstevel@tonic-gate (void) strcpy(ret.propname, in->req_setattrvalbyname.propname); 414*0Sstevel@tonic-gate 415*0Sstevel@tonic-gate err = xptree_update_propval_by_name_with_cred(ptreeh, 416*0Sstevel@tonic-gate in->req_setattrvalbyname.propname, 417*0Sstevel@tonic-gate in->req_setattrvalbyname.valbuf, 418*0Sstevel@tonic-gate (size_t)in->req_setattrvalbyname.bufsize, 419*0Sstevel@tonic-gate cred); 420*0Sstevel@tonic-gate 421*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 422*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 423*0Sstevel@tonic-gate 424*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 425*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retsetattrvalbyname_t), 426*0Sstevel@tonic-gate NULL, 0); 427*0Sstevel@tonic-gate } 428*0Sstevel@tonic-gate 429*0Sstevel@tonic-gate /* 430*0Sstevel@tonic-gate * This function returns the property information 431*0Sstevel@tonic-gate */ 432*0Sstevel@tonic-gate static void 433*0Sstevel@tonic-gate picld_get_attrinfo(picl_service_t *in) 434*0Sstevel@tonic-gate { 435*0Sstevel@tonic-gate picl_retattrinfo_t ret; 436*0Sstevel@tonic-gate int err; 437*0Sstevel@tonic-gate ptree_propinfo_t pinfo; 438*0Sstevel@tonic-gate picl_prophdl_t ptreeh; 439*0Sstevel@tonic-gate 440*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_attrinfo.attr, &ptreeh); 441*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 442*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 443*0Sstevel@tonic-gate 444*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_GETATTRINFO; 445*0Sstevel@tonic-gate ret.attr = in->req_attrinfo.attr; 446*0Sstevel@tonic-gate 447*0Sstevel@tonic-gate err = ptree_get_propinfo(ptreeh, &pinfo); 448*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 449*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 450*0Sstevel@tonic-gate 451*0Sstevel@tonic-gate ret.type = pinfo.piclinfo.type; 452*0Sstevel@tonic-gate ret.accessmode = pinfo.piclinfo.accessmode; 453*0Sstevel@tonic-gate ret.size = (uint32_t)pinfo.piclinfo.size; 454*0Sstevel@tonic-gate (void) strcpy(ret.name, pinfo.piclinfo.name); 455*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 456*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retattrinfo_t), NULL, 0); 457*0Sstevel@tonic-gate } 458*0Sstevel@tonic-gate 459*0Sstevel@tonic-gate /* 460*0Sstevel@tonic-gate * This function returns the node's first property handle 461*0Sstevel@tonic-gate */ 462*0Sstevel@tonic-gate static void 463*0Sstevel@tonic-gate picld_get_first_attr(picl_service_t *in) 464*0Sstevel@tonic-gate { 465*0Sstevel@tonic-gate picl_retfirstattr_t ret; 466*0Sstevel@tonic-gate int err; 467*0Sstevel@tonic-gate picl_prophdl_t ptreeh; 468*0Sstevel@tonic-gate 469*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_firstattr.nodeh, &ptreeh); 470*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 471*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 472*0Sstevel@tonic-gate 473*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_GETFIRSTATTR; 474*0Sstevel@tonic-gate ret.nodeh = in->req_firstattr.nodeh; 475*0Sstevel@tonic-gate 476*0Sstevel@tonic-gate err = ptree_get_first_prop(ptreeh, &ret.attr); 477*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 478*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 479*0Sstevel@tonic-gate cvt_ptree2picl(&ret.attr); 480*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 481*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retfirstattr_t), NULL, 0); 482*0Sstevel@tonic-gate } 483*0Sstevel@tonic-gate 484*0Sstevel@tonic-gate /* 485*0Sstevel@tonic-gate * This function returns the next property handle in list 486*0Sstevel@tonic-gate */ 487*0Sstevel@tonic-gate static void 488*0Sstevel@tonic-gate picld_get_next_attr(picl_service_t *in) 489*0Sstevel@tonic-gate { 490*0Sstevel@tonic-gate picl_retnextattr_t ret; 491*0Sstevel@tonic-gate int err; 492*0Sstevel@tonic-gate picl_prophdl_t ptreeh; 493*0Sstevel@tonic-gate 494*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_nextattr.attr, &ptreeh); 495*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 496*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 497*0Sstevel@tonic-gate 498*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_GETNEXTATTR; 499*0Sstevel@tonic-gate ret.attr = in->req_nextattr.attr; 500*0Sstevel@tonic-gate 501*0Sstevel@tonic-gate err = ptree_get_next_prop(ptreeh, &ret.nextattr); 502*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 503*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 504*0Sstevel@tonic-gate 505*0Sstevel@tonic-gate cvt_ptree2picl(&ret.nextattr); 506*0Sstevel@tonic-gate 507*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 508*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retnextattr_t), NULL, 0); 509*0Sstevel@tonic-gate } 510*0Sstevel@tonic-gate 511*0Sstevel@tonic-gate /* 512*0Sstevel@tonic-gate * This function returns the handle of a property specified by its name 513*0Sstevel@tonic-gate */ 514*0Sstevel@tonic-gate static void 515*0Sstevel@tonic-gate picld_get_attr_by_name(picl_service_t *in) 516*0Sstevel@tonic-gate { 517*0Sstevel@tonic-gate picl_retattrbyname_t ret; 518*0Sstevel@tonic-gate int err; 519*0Sstevel@tonic-gate picl_prophdl_t ptreeh; 520*0Sstevel@tonic-gate 521*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_attrbyname.nodeh, &ptreeh); 522*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 523*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 524*0Sstevel@tonic-gate 525*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_GETATTRBYNAME; 526*0Sstevel@tonic-gate ret.nodeh = in->req_attrbyname.nodeh; 527*0Sstevel@tonic-gate (void) strcpy(ret.propname, in->req_attrbyname.propname); 528*0Sstevel@tonic-gate 529*0Sstevel@tonic-gate err = ptree_get_prop_by_name(ptreeh, ret.propname, &ret.attr); 530*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 531*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 532*0Sstevel@tonic-gate 533*0Sstevel@tonic-gate cvt_ptree2picl(&ret.attr); 534*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 535*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retattrbyname_t), NULL, 536*0Sstevel@tonic-gate 0); 537*0Sstevel@tonic-gate } 538*0Sstevel@tonic-gate 539*0Sstevel@tonic-gate /* 540*0Sstevel@tonic-gate * This function gets the next property on the same row in the table 541*0Sstevel@tonic-gate */ 542*0Sstevel@tonic-gate static void 543*0Sstevel@tonic-gate picld_get_attr_by_row(picl_service_t *in) 544*0Sstevel@tonic-gate { 545*0Sstevel@tonic-gate picl_retattrbyrow_t ret; 546*0Sstevel@tonic-gate int err; 547*0Sstevel@tonic-gate picl_prophdl_t ptreeh; 548*0Sstevel@tonic-gate 549*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_attrbyrow.attr, &ptreeh); 550*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 551*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 552*0Sstevel@tonic-gate 553*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_GETATTRBYROW; 554*0Sstevel@tonic-gate ret.attr = in->req_attrbyrow.attr; 555*0Sstevel@tonic-gate 556*0Sstevel@tonic-gate err = ptree_get_next_by_row(ptreeh, &ret.rowattr); 557*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 558*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 559*0Sstevel@tonic-gate cvt_ptree2picl(&ret.rowattr); 560*0Sstevel@tonic-gate 561*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 562*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retattrbyrow_t), NULL, 0); 563*0Sstevel@tonic-gate } 564*0Sstevel@tonic-gate 565*0Sstevel@tonic-gate /* 566*0Sstevel@tonic-gate * This function returns the handle of the next property in the same column 567*0Sstevel@tonic-gate * of the table. 568*0Sstevel@tonic-gate */ 569*0Sstevel@tonic-gate static void 570*0Sstevel@tonic-gate picld_get_attr_by_col(picl_service_t *in) 571*0Sstevel@tonic-gate { 572*0Sstevel@tonic-gate picl_retattrbycol_t ret; 573*0Sstevel@tonic-gate int err; 574*0Sstevel@tonic-gate picl_prophdl_t ptreeh; 575*0Sstevel@tonic-gate 576*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_attrbycol.attr, &ptreeh); 577*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 578*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 579*0Sstevel@tonic-gate 580*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_GETATTRBYCOL; 581*0Sstevel@tonic-gate ret.attr = in->req_attrbycol.attr; 582*0Sstevel@tonic-gate 583*0Sstevel@tonic-gate err = ptree_get_next_by_col(ptreeh, &ret.colattr); 584*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 585*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 586*0Sstevel@tonic-gate 587*0Sstevel@tonic-gate cvt_ptree2picl(&ret.colattr); 588*0Sstevel@tonic-gate 589*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 590*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (picl_retattrbycol_t), NULL, 0); 591*0Sstevel@tonic-gate } 592*0Sstevel@tonic-gate 593*0Sstevel@tonic-gate /* 594*0Sstevel@tonic-gate * This function finds the node in the PICLTREE that matches the given 595*0Sstevel@tonic-gate * criteria and returns its handle. 596*0Sstevel@tonic-gate */ 597*0Sstevel@tonic-gate static void 598*0Sstevel@tonic-gate picld_find_node(picl_service_t *in) 599*0Sstevel@tonic-gate { 600*0Sstevel@tonic-gate picl_retfindnode_t ret; 601*0Sstevel@tonic-gate int err; 602*0Sstevel@tonic-gate picl_nodehdl_t ptreeh; 603*0Sstevel@tonic-gate 604*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_findnode.nodeh, &ptreeh); 605*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 606*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 607*0Sstevel@tonic-gate 608*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_FINDNODE; 609*0Sstevel@tonic-gate 610*0Sstevel@tonic-gate err = ptree_find_node(ptreeh, in->req_findnode.propname, 611*0Sstevel@tonic-gate in->req_findnode.ptype, in->req_findnode.valbuf, 612*0Sstevel@tonic-gate in->req_findnode.valsize, &ret.rnodeh); 613*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 614*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 615*0Sstevel@tonic-gate 616*0Sstevel@tonic-gate cvt_ptree2picl(&ret.rnodeh); 617*0Sstevel@tonic-gate 618*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 619*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (ret), NULL, 0); 620*0Sstevel@tonic-gate } 621*0Sstevel@tonic-gate 622*0Sstevel@tonic-gate /* 623*0Sstevel@tonic-gate * This function finds the property/node that corresponds to the given path 624*0Sstevel@tonic-gate * and returns its handle 625*0Sstevel@tonic-gate */ 626*0Sstevel@tonic-gate static void 627*0Sstevel@tonic-gate picld_get_node_by_path(picl_service_t *in) 628*0Sstevel@tonic-gate { 629*0Sstevel@tonic-gate picl_retnodebypath_t ret; 630*0Sstevel@tonic-gate int err; 631*0Sstevel@tonic-gate 632*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_NODEBYPATH; 633*0Sstevel@tonic-gate err = ptree_get_node_by_path(in->req_nodebypath.pathbuf, &ret.nodeh); 634*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 635*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 636*0Sstevel@tonic-gate cvt_ptree2picl(&ret.nodeh); 637*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 638*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (ret), NULL, 0); 639*0Sstevel@tonic-gate } 640*0Sstevel@tonic-gate 641*0Sstevel@tonic-gate /* 642*0Sstevel@tonic-gate * This function returns finds the frutree parent node for a given node 643*0Sstevel@tonic-gate * and returns its handle 644*0Sstevel@tonic-gate */ 645*0Sstevel@tonic-gate static void 646*0Sstevel@tonic-gate picld_get_frutree_parent(picl_service_t *in) 647*0Sstevel@tonic-gate { 648*0Sstevel@tonic-gate picl_retfruparent_t ret; 649*0Sstevel@tonic-gate int err; 650*0Sstevel@tonic-gate picl_nodehdl_t ptreeh; 651*0Sstevel@tonic-gate 652*0Sstevel@tonic-gate err = cvt_picl2ptree(in->req_fruparent.devh, &ptreeh); 653*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 654*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 655*0Sstevel@tonic-gate 656*0Sstevel@tonic-gate ret.cnum = PICL_CNUM_FRUTREEPARENT; 657*0Sstevel@tonic-gate 658*0Sstevel@tonic-gate err = ptree_get_frutree_parent(ptreeh, &ret.fruh); 659*0Sstevel@tonic-gate if (err != PICL_SUCCESS) 660*0Sstevel@tonic-gate picld_return_error(in->in.cnum, err); 661*0Sstevel@tonic-gate cvt_ptree2picl(&ret.fruh); 662*0Sstevel@tonic-gate 663*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 664*0Sstevel@tonic-gate (void) door_return((char *)&ret, sizeof (ret), NULL, 0); 665*0Sstevel@tonic-gate } 666*0Sstevel@tonic-gate 667*0Sstevel@tonic-gate /* 668*0Sstevel@tonic-gate * This function is called when an unknown client request is received. 669*0Sstevel@tonic-gate */ 670*0Sstevel@tonic-gate static void 671*0Sstevel@tonic-gate picld_unknown_service(picl_service_t *in) 672*0Sstevel@tonic-gate { 673*0Sstevel@tonic-gate picld_return_error(in->in.cnum, PICL_UNKNOWNSERVICE); 674*0Sstevel@tonic-gate } 675*0Sstevel@tonic-gate 676*0Sstevel@tonic-gate static void 677*0Sstevel@tonic-gate check_denial_of_service(int cnum) 678*0Sstevel@tonic-gate { 679*0Sstevel@tonic-gate hrtime_t window; 680*0Sstevel@tonic-gate hrtime_t current; 681*0Sstevel@tonic-gate int dos_flag; 682*0Sstevel@tonic-gate 683*0Sstevel@tonic-gate current = gethrtime(); 684*0Sstevel@tonic-gate dos_flag = 0; 685*0Sstevel@tonic-gate 686*0Sstevel@tonic-gate if (pthread_mutex_lock(&dos_mutex) != 0) 687*0Sstevel@tonic-gate picld_return_error(cnum, PICL_FAILURE); 688*0Sstevel@tonic-gate 689*0Sstevel@tonic-gate ++service_requests; 690*0Sstevel@tonic-gate window = current - orig_time; 691*0Sstevel@tonic-gate if (window > MILLI_TO_NANO(sliding_interval_ms)) { 692*0Sstevel@tonic-gate orig_time = current; 693*0Sstevel@tonic-gate service_requests = 1; 694*0Sstevel@tonic-gate } 695*0Sstevel@tonic-gate 696*0Sstevel@tonic-gate if (service_requests > dos_req_limit) 697*0Sstevel@tonic-gate dos_flag = 1; 698*0Sstevel@tonic-gate 699*0Sstevel@tonic-gate if (pthread_mutex_unlock(&dos_mutex) != 0) 700*0Sstevel@tonic-gate picld_return_error(cnum, PICL_FAILURE); 701*0Sstevel@tonic-gate 702*0Sstevel@tonic-gate if (dos_flag) 703*0Sstevel@tonic-gate (void) poll(NULL, 0, dos_ms); 704*0Sstevel@tonic-gate } 705*0Sstevel@tonic-gate 706*0Sstevel@tonic-gate 707*0Sstevel@tonic-gate /* ARGSUSED */ 708*0Sstevel@tonic-gate static void 709*0Sstevel@tonic-gate picld_door_handler(void *cookie, char *argp, size_t asize, 710*0Sstevel@tonic-gate door_desc_t *dp, uint_t n_desc) 711*0Sstevel@tonic-gate { 712*0Sstevel@tonic-gate picl_service_t *req; 713*0Sstevel@tonic-gate 714*0Sstevel@tonic-gate /*LINTED*/ 715*0Sstevel@tonic-gate req = (picl_service_t *)argp; 716*0Sstevel@tonic-gate 717*0Sstevel@tonic-gate if (req == NULL) 718*0Sstevel@tonic-gate (void) door_return((char *)req, 0, NULL, 0); 719*0Sstevel@tonic-gate 720*0Sstevel@tonic-gate check_denial_of_service(req->in.cnum); 721*0Sstevel@tonic-gate 722*0Sstevel@tonic-gate (void) rw_rdlock(&init_lk); 723*0Sstevel@tonic-gate switch (req->in.cnum) { /* client call number */ 724*0Sstevel@tonic-gate case PICL_CNUM_INIT: 725*0Sstevel@tonic-gate /*LINTED*/ 726*0Sstevel@tonic-gate picld_init((picl_service_t *)argp); 727*0Sstevel@tonic-gate break; 728*0Sstevel@tonic-gate case PICL_CNUM_FINI: 729*0Sstevel@tonic-gate /*LINTED*/ 730*0Sstevel@tonic-gate picld_fini((picl_service_t *)argp); 731*0Sstevel@tonic-gate break; 732*0Sstevel@tonic-gate case PICL_CNUM_GETROOT: 733*0Sstevel@tonic-gate /*LINTED*/ 734*0Sstevel@tonic-gate picld_getroot((picl_service_t *)argp); 735*0Sstevel@tonic-gate break; 736*0Sstevel@tonic-gate case PICL_CNUM_GETATTRVAL: 737*0Sstevel@tonic-gate /*LINTED*/ 738*0Sstevel@tonic-gate picld_get_attrval((picl_service_t *)argp); 739*0Sstevel@tonic-gate break; 740*0Sstevel@tonic-gate case PICL_CNUM_GETATTRVALBYNAME: 741*0Sstevel@tonic-gate /*LINTED*/ 742*0Sstevel@tonic-gate picld_get_attrval_by_name((picl_service_t *)argp); 743*0Sstevel@tonic-gate break; 744*0Sstevel@tonic-gate case PICL_CNUM_GETATTRINFO: 745*0Sstevel@tonic-gate /*LINTED*/ 746*0Sstevel@tonic-gate picld_get_attrinfo((picl_service_t *)argp); 747*0Sstevel@tonic-gate break; 748*0Sstevel@tonic-gate case PICL_CNUM_GETFIRSTATTR: 749*0Sstevel@tonic-gate /*LINTED*/ 750*0Sstevel@tonic-gate picld_get_first_attr((picl_service_t *)argp); 751*0Sstevel@tonic-gate break; 752*0Sstevel@tonic-gate case PICL_CNUM_GETNEXTATTR: 753*0Sstevel@tonic-gate /*LINTED*/ 754*0Sstevel@tonic-gate picld_get_next_attr((picl_service_t *)argp); 755*0Sstevel@tonic-gate break; 756*0Sstevel@tonic-gate case PICL_CNUM_GETATTRBYNAME: 757*0Sstevel@tonic-gate /*LINTED*/ 758*0Sstevel@tonic-gate picld_get_attr_by_name((picl_service_t *)argp); 759*0Sstevel@tonic-gate break; 760*0Sstevel@tonic-gate case PICL_CNUM_GETATTRBYROW: 761*0Sstevel@tonic-gate /*LINTED*/ 762*0Sstevel@tonic-gate picld_get_attr_by_row((picl_service_t *)argp); 763*0Sstevel@tonic-gate break; 764*0Sstevel@tonic-gate case PICL_CNUM_GETATTRBYCOL: 765*0Sstevel@tonic-gate /*LINTED*/ 766*0Sstevel@tonic-gate picld_get_attr_by_col((picl_service_t *)argp); 767*0Sstevel@tonic-gate break; 768*0Sstevel@tonic-gate case PICL_CNUM_SETATTRVAL: 769*0Sstevel@tonic-gate /*LINTED*/ 770*0Sstevel@tonic-gate picld_set_attrval((picl_service_t *)argp); 771*0Sstevel@tonic-gate break; 772*0Sstevel@tonic-gate case PICL_CNUM_SETATTRVALBYNAME: 773*0Sstevel@tonic-gate /*LINTED*/ 774*0Sstevel@tonic-gate picld_set_attrval_by_name((picl_service_t *)argp); 775*0Sstevel@tonic-gate break; 776*0Sstevel@tonic-gate case PICL_CNUM_PING: 777*0Sstevel@tonic-gate /*LINTED*/ 778*0Sstevel@tonic-gate picld_ping((picl_service_t *)argp); 779*0Sstevel@tonic-gate break; 780*0Sstevel@tonic-gate case PICL_CNUM_WAIT: 781*0Sstevel@tonic-gate /*LINTED*/ 782*0Sstevel@tonic-gate picld_wait((picl_service_t *)argp); 783*0Sstevel@tonic-gate break; 784*0Sstevel@tonic-gate case PICL_CNUM_FINDNODE: 785*0Sstevel@tonic-gate /*LINTED*/ 786*0Sstevel@tonic-gate picld_find_node((picl_service_t *)argp); 787*0Sstevel@tonic-gate break; 788*0Sstevel@tonic-gate case PICL_CNUM_NODEBYPATH: 789*0Sstevel@tonic-gate /*LINTED*/ 790*0Sstevel@tonic-gate picld_get_node_by_path((picl_service_t *)argp); 791*0Sstevel@tonic-gate break; 792*0Sstevel@tonic-gate case PICL_CNUM_FRUTREEPARENT: 793*0Sstevel@tonic-gate /*LINTED*/ 794*0Sstevel@tonic-gate picld_get_frutree_parent((picl_service_t *)argp); 795*0Sstevel@tonic-gate break; 796*0Sstevel@tonic-gate default: 797*0Sstevel@tonic-gate /*LINTED*/ 798*0Sstevel@tonic-gate picld_unknown_service((picl_service_t *)argp); 799*0Sstevel@tonic-gate break; 800*0Sstevel@tonic-gate }; 801*0Sstevel@tonic-gate /*NOTREACHED*/ 802*0Sstevel@tonic-gate } 803*0Sstevel@tonic-gate 804*0Sstevel@tonic-gate /* ARGSUSED */ 805*0Sstevel@tonic-gate static void 806*0Sstevel@tonic-gate hup_handler(int sig, siginfo_t *siginfo, void *sigctx) 807*0Sstevel@tonic-gate { 808*0Sstevel@tonic-gate doreinit = 1; 809*0Sstevel@tonic-gate } 810*0Sstevel@tonic-gate 811*0Sstevel@tonic-gate /* 812*0Sstevel@tonic-gate * "ping" to see if a daemon is already running 813*0Sstevel@tonic-gate */ 814*0Sstevel@tonic-gate static int 815*0Sstevel@tonic-gate daemon_exists(void) 816*0Sstevel@tonic-gate { 817*0Sstevel@tonic-gate door_arg_t darg; 818*0Sstevel@tonic-gate picl_reqping_t req_ping; 819*0Sstevel@tonic-gate picl_retping_t ret_ping; 820*0Sstevel@tonic-gate int doorh; 821*0Sstevel@tonic-gate door_info_t dinfo; 822*0Sstevel@tonic-gate 823*0Sstevel@tonic-gate doorh = open(PICLD_DOOR, O_RDONLY); 824*0Sstevel@tonic-gate if (doorh < 0) 825*0Sstevel@tonic-gate return (0); 826*0Sstevel@tonic-gate 827*0Sstevel@tonic-gate if (door_info(doorh, &dinfo) < 0) { 828*0Sstevel@tonic-gate (void) close(doorh); 829*0Sstevel@tonic-gate return (0); 830*0Sstevel@tonic-gate } 831*0Sstevel@tonic-gate 832*0Sstevel@tonic-gate if ((dinfo.di_attributes & DOOR_REVOKED) || 833*0Sstevel@tonic-gate (dinfo.di_data != (door_ptr_t)PICLD_DOOR_COOKIE)) { 834*0Sstevel@tonic-gate (void) close(doorh); 835*0Sstevel@tonic-gate return (0); 836*0Sstevel@tonic-gate } 837*0Sstevel@tonic-gate 838*0Sstevel@tonic-gate if (dinfo.di_target != getpid()) { 839*0Sstevel@tonic-gate (void) close(doorh); 840*0Sstevel@tonic-gate return (1); 841*0Sstevel@tonic-gate } 842*0Sstevel@tonic-gate 843*0Sstevel@tonic-gate req_ping.cnum = PICL_CNUM_PING; 844*0Sstevel@tonic-gate 845*0Sstevel@tonic-gate darg.data_ptr = (char *)&req_ping; 846*0Sstevel@tonic-gate darg.data_size = sizeof (picl_reqping_t); 847*0Sstevel@tonic-gate darg.desc_ptr = NULL; 848*0Sstevel@tonic-gate darg.desc_num = 0; 849*0Sstevel@tonic-gate darg.rbuf = (char *)&ret_ping; 850*0Sstevel@tonic-gate darg.rsize = sizeof (picl_retping_t); 851*0Sstevel@tonic-gate 852*0Sstevel@tonic-gate if (door_call(doorh, &darg) < 0) { 853*0Sstevel@tonic-gate (void) close(doorh); 854*0Sstevel@tonic-gate return (0); 855*0Sstevel@tonic-gate } 856*0Sstevel@tonic-gate 857*0Sstevel@tonic-gate (void) close(doorh); 858*0Sstevel@tonic-gate return (1); 859*0Sstevel@tonic-gate } 860*0Sstevel@tonic-gate 861*0Sstevel@tonic-gate /* 862*0Sstevel@tonic-gate * Create the picld door 863*0Sstevel@tonic-gate */ 864*0Sstevel@tonic-gate static int 865*0Sstevel@tonic-gate setup_door(void) 866*0Sstevel@tonic-gate { 867*0Sstevel@tonic-gate struct stat stbuf; 868*0Sstevel@tonic-gate 869*0Sstevel@tonic-gate /* 870*0Sstevel@tonic-gate * Create the door 871*0Sstevel@tonic-gate */ 872*0Sstevel@tonic-gate door_id = door_create(picld_door_handler, PICLD_DOOR_COOKIE, 873*0Sstevel@tonic-gate DOOR_UNREF | DOOR_REFUSE_DESC | DOOR_NO_CANCEL); 874*0Sstevel@tonic-gate 875*0Sstevel@tonic-gate if (door_id < 0) { 876*0Sstevel@tonic-gate return (-1); 877*0Sstevel@tonic-gate } 878*0Sstevel@tonic-gate 879*0Sstevel@tonic-gate if (stat(PICLD_DOOR, &stbuf) < 0) { 880*0Sstevel@tonic-gate int newfd; 881*0Sstevel@tonic-gate if ((newfd = creat(PICLD_DOOR, 0444)) < 0) 882*0Sstevel@tonic-gate return (-1); 883*0Sstevel@tonic-gate (void) close(newfd); 884*0Sstevel@tonic-gate } 885*0Sstevel@tonic-gate 886*0Sstevel@tonic-gate if (fattach(door_id, PICLD_DOOR) < 0) { 887*0Sstevel@tonic-gate if ((errno != EBUSY) || 888*0Sstevel@tonic-gate (fdetach(PICLD_DOOR) < 0) || 889*0Sstevel@tonic-gate (fattach(door_id, PICLD_DOOR) < 0)) 890*0Sstevel@tonic-gate return (-1); 891*0Sstevel@tonic-gate } 892*0Sstevel@tonic-gate 893*0Sstevel@tonic-gate return (0); 894*0Sstevel@tonic-gate } 895*0Sstevel@tonic-gate 896*0Sstevel@tonic-gate /* 897*0Sstevel@tonic-gate * Main function of picl daemon 898*0Sstevel@tonic-gate */ 899*0Sstevel@tonic-gate int 900*0Sstevel@tonic-gate main(int argc, char **argv) 901*0Sstevel@tonic-gate { 902*0Sstevel@tonic-gate struct sigaction act; 903*0Sstevel@tonic-gate int c; 904*0Sstevel@tonic-gate sigset_t ublk; 905*0Sstevel@tonic-gate 906*0Sstevel@tonic-gate 907*0Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 908*0Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 909*0Sstevel@tonic-gate 910*0Sstevel@tonic-gate if (getuid() != 0) { 911*0Sstevel@tonic-gate syslog(LOG_CRIT, MUST_BE_ROOT); 912*0Sstevel@tonic-gate return (0); 913*0Sstevel@tonic-gate } 914*0Sstevel@tonic-gate 915*0Sstevel@tonic-gate (void) rwlock_init(&init_lk, USYNC_THREAD, NULL); 916*0Sstevel@tonic-gate doreinit = 0; 917*0Sstevel@tonic-gate logflag = 1; 918*0Sstevel@tonic-gate dos_req_limit = DOS_PICL_REQUESTS_LIMIT; 919*0Sstevel@tonic-gate sliding_interval_ms = SLIDING_INTERVAL_MILLISECONDS; 920*0Sstevel@tonic-gate dos_ms = DOS_SLEEPTIME_MS; 921*0Sstevel@tonic-gate verbose_level = 0; 922*0Sstevel@tonic-gate 923*0Sstevel@tonic-gate /* 924*0Sstevel@tonic-gate * parse arguments 925*0Sstevel@tonic-gate */ 926*0Sstevel@tonic-gate while ((c = getopt(argc, argv, "is:t:l:r:v:d:")) != EOF) { 927*0Sstevel@tonic-gate switch (c) { 928*0Sstevel@tonic-gate case 'd': 929*0Sstevel@tonic-gate dos_ms = strtol(optarg, (char **)NULL, 0); 930*0Sstevel@tonic-gate break; 931*0Sstevel@tonic-gate case 'i': 932*0Sstevel@tonic-gate logflag = 0; 933*0Sstevel@tonic-gate break; 934*0Sstevel@tonic-gate case 's': 935*0Sstevel@tonic-gate sliding_interval_ms = strtoll(optarg, (char **)NULL, 0); 936*0Sstevel@tonic-gate break; 937*0Sstevel@tonic-gate case 't': 938*0Sstevel@tonic-gate dos_req_limit = strtol(optarg, (char **)NULL, 0); 939*0Sstevel@tonic-gate break; 940*0Sstevel@tonic-gate case 'v': 941*0Sstevel@tonic-gate verbose_level = strtol(optarg, (char **)NULL, 0); 942*0Sstevel@tonic-gate logflag = 0; 943*0Sstevel@tonic-gate break; 944*0Sstevel@tonic-gate default: 945*0Sstevel@tonic-gate break; 946*0Sstevel@tonic-gate } 947*0Sstevel@tonic-gate } 948*0Sstevel@tonic-gate 949*0Sstevel@tonic-gate orig_time = gethrtime(); 950*0Sstevel@tonic-gate 951*0Sstevel@tonic-gate /* 952*0Sstevel@tonic-gate * is there a daemon already running? 953*0Sstevel@tonic-gate */ 954*0Sstevel@tonic-gate 955*0Sstevel@tonic-gate if (daemon_exists()) { 956*0Sstevel@tonic-gate syslog(LOG_CRIT, DAEMON_RUNNING); 957*0Sstevel@tonic-gate exit(1); 958*0Sstevel@tonic-gate } 959*0Sstevel@tonic-gate 960*0Sstevel@tonic-gate /* 961*0Sstevel@tonic-gate * Mask off/block SIGALRM signal so that the environmental plug-in 962*0Sstevel@tonic-gate * (piclenvd) can use it to simulate sleep() without being affected 963*0Sstevel@tonic-gate * by time being set back. No other PICL plug-in should use SIGALRM 964*0Sstevel@tonic-gate * or alarm() for now. 965*0Sstevel@tonic-gate */ 966*0Sstevel@tonic-gate (void) sigemptyset(&ublk); 967*0Sstevel@tonic-gate (void) sigaddset(&ublk, SIGALRM); 968*0Sstevel@tonic-gate (void) sigprocmask(SIG_BLOCK, &ublk, NULL); 969*0Sstevel@tonic-gate 970*0Sstevel@tonic-gate /* 971*0Sstevel@tonic-gate * Ignore SIGHUP until all the initialization is done. 972*0Sstevel@tonic-gate */ 973*0Sstevel@tonic-gate act.sa_handler = SIG_IGN; 974*0Sstevel@tonic-gate (void) sigemptyset(&act.sa_mask); 975*0Sstevel@tonic-gate act.sa_flags = 0; 976*0Sstevel@tonic-gate if (sigaction(SIGHUP, &act, NULL) == -1) 977*0Sstevel@tonic-gate syslog(LOG_ERR, SIGACT_FAILED, strsignal(SIGHUP), 978*0Sstevel@tonic-gate strerror(errno)); 979*0Sstevel@tonic-gate 980*0Sstevel@tonic-gate if (logflag != 0) { /* daemonize */ 981*0Sstevel@tonic-gate pid_t pid; 982*0Sstevel@tonic-gate 983*0Sstevel@tonic-gate pid = fork(); 984*0Sstevel@tonic-gate if (pid < 0) 985*0Sstevel@tonic-gate exit(1); 986*0Sstevel@tonic-gate if (pid > 0) 987*0Sstevel@tonic-gate /* parent */ 988*0Sstevel@tonic-gate exit(0); 989*0Sstevel@tonic-gate 990*0Sstevel@tonic-gate /* child */ 991*0Sstevel@tonic-gate if (chdir("/") == -1) { 992*0Sstevel@tonic-gate syslog(LOG_CRIT, CD_ROOT_FAILED); 993*0Sstevel@tonic-gate exit(1); 994*0Sstevel@tonic-gate } 995*0Sstevel@tonic-gate 996*0Sstevel@tonic-gate (void) setsid(); 997*0Sstevel@tonic-gate (void) close(STDIN_FILENO); 998*0Sstevel@tonic-gate (void) close(STDOUT_FILENO); 999*0Sstevel@tonic-gate (void) close(STDERR_FILENO); 1000*0Sstevel@tonic-gate (void) open("/dev/null", O_RDWR, 0); 1001*0Sstevel@tonic-gate (void) dup2(STDIN_FILENO, STDOUT_FILENO); 1002*0Sstevel@tonic-gate (void) dup2(STDIN_FILENO, STDERR_FILENO); 1003*0Sstevel@tonic-gate openlog(PICLD, LOG_PID, LOG_DAEMON); 1004*0Sstevel@tonic-gate } 1005*0Sstevel@tonic-gate 1006*0Sstevel@tonic-gate /* 1007*0Sstevel@tonic-gate * Initialize the PICL Tree 1008*0Sstevel@tonic-gate */ 1009*0Sstevel@tonic-gate if (xptree_initialize(NULL) != PICL_SUCCESS) { 1010*0Sstevel@tonic-gate syslog(LOG_CRIT, INIT_FAILED); 1011*0Sstevel@tonic-gate exit(1); 1012*0Sstevel@tonic-gate } 1013*0Sstevel@tonic-gate 1014*0Sstevel@tonic-gate if (setup_door()) { 1015*0Sstevel@tonic-gate syslog(LOG_CRIT, DOOR_FAILED); 1016*0Sstevel@tonic-gate exit(1); 1017*0Sstevel@tonic-gate } 1018*0Sstevel@tonic-gate 1019*0Sstevel@tonic-gate /* 1020*0Sstevel@tonic-gate * setup signal handlers for post-init 1021*0Sstevel@tonic-gate */ 1022*0Sstevel@tonic-gate act.sa_sigaction = hup_handler; 1023*0Sstevel@tonic-gate (void) sigemptyset(&act.sa_mask); 1024*0Sstevel@tonic-gate act.sa_flags = SA_SIGINFO; 1025*0Sstevel@tonic-gate if (sigaction(SIGHUP, &act, NULL) == -1) 1026*0Sstevel@tonic-gate syslog(LOG_ERR, SIGACT_FAILED, strsignal(SIGHUP), 1027*0Sstevel@tonic-gate strerror(errno)); 1028*0Sstevel@tonic-gate 1029*0Sstevel@tonic-gate /* 1030*0Sstevel@tonic-gate * wait for requests 1031*0Sstevel@tonic-gate */ 1032*0Sstevel@tonic-gate for (;;) { 1033*0Sstevel@tonic-gate (void) pause(); 1034*0Sstevel@tonic-gate if (doreinit) { 1035*0Sstevel@tonic-gate /* 1036*0Sstevel@tonic-gate * Block SIGHUP during reinitialization. 1037*0Sstevel@tonic-gate * Also mask off/block SIGALRM signal so that the 1038*0Sstevel@tonic-gate * environmental plug-in (piclenvd) can use it to 1039*0Sstevel@tonic-gate * simulate sleep() without being affected by time 1040*0Sstevel@tonic-gate * being set back. No ohter PICL plug-in should use 1041*0Sstevel@tonic-gate * SIGALRM or alarm() for now. 1042*0Sstevel@tonic-gate */ 1043*0Sstevel@tonic-gate (void) sigemptyset(&ublk); 1044*0Sstevel@tonic-gate (void) sigaddset(&ublk, SIGHUP); 1045*0Sstevel@tonic-gate (void) sigaddset(&ublk, SIGALRM); 1046*0Sstevel@tonic-gate (void) sigprocmask(SIG_BLOCK, &ublk, NULL); 1047*0Sstevel@tonic-gate (void) sigdelset(&ublk, SIGALRM); 1048*0Sstevel@tonic-gate doreinit = 0; 1049*0Sstevel@tonic-gate (void) rw_wrlock(&init_lk); 1050*0Sstevel@tonic-gate xptree_destroy(); 1051*0Sstevel@tonic-gate (void) xptree_reinitialize(); 1052*0Sstevel@tonic-gate (void) rw_unlock(&init_lk); 1053*0Sstevel@tonic-gate (void) sigprocmask(SIG_UNBLOCK, &ublk, NULL); 1054*0Sstevel@tonic-gate } 1055*0Sstevel@tonic-gate } 1056*0Sstevel@tonic-gate } 1057