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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.9*/ 27*0Sstevel@tonic-gate 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate # include <stdio.h> 30*0Sstevel@tonic-gate # include <unistd.h> 31*0Sstevel@tonic-gate # include <fcntl.h> 32*0Sstevel@tonic-gate # include <sys/types.h> 33*0Sstevel@tonic-gate # include <sys/stropts.h> 34*0Sstevel@tonic-gate # include <signal.h> 35*0Sstevel@tonic-gate # include <sys/stat.h> 36*0Sstevel@tonic-gate # include <poll.h> 37*0Sstevel@tonic-gate # include "misc.h" 38*0Sstevel@tonic-gate # include "msgs.h" 39*0Sstevel@tonic-gate # include "extern.h" 40*0Sstevel@tonic-gate # include <sac.h> 41*0Sstevel@tonic-gate # include "adm.h" 42*0Sstevel@tonic-gate # include "structs.h" 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate /* 46*0Sstevel@tonic-gate * findpm - find a port monitor entry 47*0Sstevel@tonic-gate * 48*0Sstevel@tonic-gate * args: tag - tag of desired port monitor 49*0Sstevel@tonic-gate */ 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate struct sactab * 53*0Sstevel@tonic-gate findpm(tag) 54*0Sstevel@tonic-gate register char *tag; 55*0Sstevel@tonic-gate { 56*0Sstevel@tonic-gate register struct sactab *sp; /* working pointer */ 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate for (sp = Sactab; sp; sp = sp->sc_next) { 59*0Sstevel@tonic-gate if (!strcmp(tag, sp->sc_tag)) 60*0Sstevel@tonic-gate return(sp); 61*0Sstevel@tonic-gate } 62*0Sstevel@tonic-gate return(NULL); 63*0Sstevel@tonic-gate } 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate /* 67*0Sstevel@tonic-gate * sigpoll - handle messages coming in on the command pipe (SIGPOLL signal 68*0Sstevel@tonic-gate * handler) 69*0Sstevel@tonic-gate */ 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate void 73*0Sstevel@tonic-gate sigpoll() 74*0Sstevel@tonic-gate { 75*0Sstevel@tonic-gate struct pollfd fds; /* array of fds to poll */ 76*0Sstevel@tonic-gate struct admcmd cmd; /* incoming command */ 77*0Sstevel@tonic-gate register struct admcmd *ap = &cmd; /* and a pointer to it */ 78*0Sstevel@tonic-gate struct admack ack; /* acknowledgment */ 79*0Sstevel@tonic-gate register struct admack *ak = &ack; /* and a pointer to it */ 80*0Sstevel@tonic-gate register struct sactab *sp; /* working pointer */ 81*0Sstevel@tonic-gate struct sacmsg sacmsg; /* message to port monitor */ 82*0Sstevel@tonic-gate char **data; /* "dumped" sactab */ 83*0Sstevel@tonic-gate char *p; /* scratch pointer */ 84*0Sstevel@tonic-gate register int i; /* loop control variable */ 85*0Sstevel@tonic-gate int ret; /* return value */ 86*0Sstevel@tonic-gate sigset_t cset; /* for signal handling */ 87*0Sstevel@tonic-gate sigset_t tset; /* for signal handling */ 88*0Sstevel@tonic-gate 89*0Sstevel@tonic-gate # ifdef DEBUG 90*0Sstevel@tonic-gate debug("in sigpoll"); 91*0Sstevel@tonic-gate # endif 92*0Sstevel@tonic-gate fds.fd = Cfd; 93*0Sstevel@tonic-gate fds.events = POLLIN; 94*0Sstevel@tonic-gate fds.revents = 0; 95*0Sstevel@tonic-gate if (poll(&fds, 1, 0) < 0) 96*0Sstevel@tonic-gate error(E_POLL, EXIT); 97*0Sstevel@tonic-gate switch (fds.revents) { 98*0Sstevel@tonic-gate case POLLIN: 99*0Sstevel@tonic-gate if (read(Cfd, ap, sizeof(struct admcmd)) < 0) { 100*0Sstevel@tonic-gate error(E_READ, EXIT); 101*0Sstevel@tonic-gate } 102*0Sstevel@tonic-gate switch (ap->ac_mtype) { 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate /* 105*0Sstevel@tonic-gate * request to start a port monitor 106*0Sstevel@tonic-gate */ 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate case AC_START: 109*0Sstevel@tonic-gate # ifdef DEBUG 110*0Sstevel@tonic-gate (void) sprintf(Scratch, "Got AC_START for <%s>", ap->ac_tag); 111*0Sstevel@tonic-gate log(Scratch); 112*0Sstevel@tonic-gate # endif 113*0Sstevel@tonic-gate if ((sp = findpm(ap->ac_tag)) == NULL) { 114*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 115*0Sstevel@tonic-gate ak->ak_resp = AK_NOPM; 116*0Sstevel@tonic-gate ak->ak_size = 0; 117*0Sstevel@tonic-gate sendack(ak); 118*0Sstevel@tonic-gate break; 119*0Sstevel@tonic-gate } 120*0Sstevel@tonic-gate switch (sp->sc_sstate) { 121*0Sstevel@tonic-gate case UNKNOWN: 122*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 123*0Sstevel@tonic-gate ak->ak_resp = AK_RECOVER; 124*0Sstevel@tonic-gate ak->ak_size = 0; 125*0Sstevel@tonic-gate sendack(ak); 126*0Sstevel@tonic-gate break; 127*0Sstevel@tonic-gate case FAILED: 128*0Sstevel@tonic-gate case NOTRUNNING: 129*0Sstevel@tonic-gate sp->sc_rscnt = 0; /* fresh start in life */ 130*0Sstevel@tonic-gate if (ret = startpm(sp)) { 131*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 132*0Sstevel@tonic-gate if (ret == -1) 133*0Sstevel@tonic-gate ak->ak_resp = AK_PMLOCK; 134*0Sstevel@tonic-gate else 135*0Sstevel@tonic-gate ak->ak_resp = AK_REQFAIL; 136*0Sstevel@tonic-gate ak->ak_size = 0; 137*0Sstevel@tonic-gate sendack(ak); 138*0Sstevel@tonic-gate break; 139*0Sstevel@tonic-gate } 140*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 141*0Sstevel@tonic-gate ak->ak_resp = AK_ACK; 142*0Sstevel@tonic-gate ak->ak_size = 0; 143*0Sstevel@tonic-gate sendack(ak); 144*0Sstevel@tonic-gate break; 145*0Sstevel@tonic-gate case ENABLED: 146*0Sstevel@tonic-gate case DISABLED: 147*0Sstevel@tonic-gate case STARTING: 148*0Sstevel@tonic-gate case STOPPING: 149*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 150*0Sstevel@tonic-gate ak->ak_resp = AK_PMRUN; 151*0Sstevel@tonic-gate ak->ak_size = 0; 152*0Sstevel@tonic-gate sendack(ak); 153*0Sstevel@tonic-gate break; 154*0Sstevel@tonic-gate } 155*0Sstevel@tonic-gate break; 156*0Sstevel@tonic-gate 157*0Sstevel@tonic-gate /* 158*0Sstevel@tonic-gate * request to kill a port monitor 159*0Sstevel@tonic-gate */ 160*0Sstevel@tonic-gate 161*0Sstevel@tonic-gate case AC_KILL: 162*0Sstevel@tonic-gate # ifdef DEBUG 163*0Sstevel@tonic-gate (void) sprintf(Scratch, "Got AC_KILL for <%s>", ap->ac_tag); 164*0Sstevel@tonic-gate log(Scratch); 165*0Sstevel@tonic-gate # endif 166*0Sstevel@tonic-gate if ((sp = findpm(ap->ac_tag)) == NULL) { 167*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 168*0Sstevel@tonic-gate ak->ak_resp = AK_NOPM; 169*0Sstevel@tonic-gate ak->ak_size = 0; 170*0Sstevel@tonic-gate sendack(ak); 171*0Sstevel@tonic-gate break; 172*0Sstevel@tonic-gate } 173*0Sstevel@tonic-gate switch (sp->sc_sstate) { 174*0Sstevel@tonic-gate case UNKNOWN: 175*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 176*0Sstevel@tonic-gate ak->ak_resp = AK_RECOVER; 177*0Sstevel@tonic-gate ak->ak_size = 0; 178*0Sstevel@tonic-gate sendack(ak); 179*0Sstevel@tonic-gate break; 180*0Sstevel@tonic-gate case NOTRUNNING: 181*0Sstevel@tonic-gate case FAILED: 182*0Sstevel@tonic-gate case STOPPING: 183*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 184*0Sstevel@tonic-gate ak->ak_resp = AK_PMNOTRUN; 185*0Sstevel@tonic-gate ak->ak_size = 0; 186*0Sstevel@tonic-gate sendack(ak); 187*0Sstevel@tonic-gate break; 188*0Sstevel@tonic-gate case STARTING: 189*0Sstevel@tonic-gate case ENABLED: 190*0Sstevel@tonic-gate case DISABLED: 191*0Sstevel@tonic-gate (void) sigprocmask(SIG_SETMASK, NULL, &cset); 192*0Sstevel@tonic-gate tset = cset; 193*0Sstevel@tonic-gate (void) sigaddset(&tset, SIGALRM); 194*0Sstevel@tonic-gate (void) sigaddset(&tset, SIGCLD); 195*0Sstevel@tonic-gate (void) sigprocmask(SIG_SETMASK, &tset, NULL); 196*0Sstevel@tonic-gate if (sendsig(sp, SIGTERM)) { 197*0Sstevel@tonic-gate (void) sprintf(Scratch, "could not send SIGTERM to <%s>", sp->sc_tag); 198*0Sstevel@tonic-gate log(Scratch); 199*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 200*0Sstevel@tonic-gate ak->ak_resp = AK_NOCONTACT; 201*0Sstevel@tonic-gate ak->ak_size = 0; 202*0Sstevel@tonic-gate sendack(ak); 203*0Sstevel@tonic-gate (void) sigprocmask(SIG_SETMASK, &cset, NULL); 204*0Sstevel@tonic-gate break; 205*0Sstevel@tonic-gate } 206*0Sstevel@tonic-gate /* signal sent ok */ 207*0Sstevel@tonic-gate sp->sc_lstate = NOTRUNNING; 208*0Sstevel@tonic-gate sp->sc_sstate = NOTRUNNING; 209*0Sstevel@tonic-gate sp->sc_pstate = STOPPING; 210*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 211*0Sstevel@tonic-gate ak->ak_resp = AK_ACK; 212*0Sstevel@tonic-gate ak->ak_size = 0; 213*0Sstevel@tonic-gate sendack(ak); 214*0Sstevel@tonic-gate (void) sprintf(Scratch, "terminating <%s>", sp->sc_tag); 215*0Sstevel@tonic-gate log(Scratch); 216*0Sstevel@tonic-gate (void) sigprocmask(SIG_SETMASK, &cset, NULL); 217*0Sstevel@tonic-gate break; 218*0Sstevel@tonic-gate } 219*0Sstevel@tonic-gate break; 220*0Sstevel@tonic-gate 221*0Sstevel@tonic-gate /* 222*0Sstevel@tonic-gate * request to enable a port monitor 223*0Sstevel@tonic-gate */ 224*0Sstevel@tonic-gate 225*0Sstevel@tonic-gate case AC_ENABLE: 226*0Sstevel@tonic-gate # ifdef DEBUG 227*0Sstevel@tonic-gate (void) sprintf(Scratch, "Got AC_ENABLE for <%s>", ap->ac_tag); 228*0Sstevel@tonic-gate log(Scratch); 229*0Sstevel@tonic-gate # endif 230*0Sstevel@tonic-gate if ((sp = findpm(ap->ac_tag)) == NULL) { 231*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 232*0Sstevel@tonic-gate ak->ak_resp = AK_NOPM; 233*0Sstevel@tonic-gate ak->ak_size = 0; 234*0Sstevel@tonic-gate sendack(ak); 235*0Sstevel@tonic-gate break; 236*0Sstevel@tonic-gate } 237*0Sstevel@tonic-gate switch (sp->sc_sstate) { 238*0Sstevel@tonic-gate case UNKNOWN: 239*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 240*0Sstevel@tonic-gate ak->ak_resp = AK_RECOVER; 241*0Sstevel@tonic-gate ak->ak_size = 0; 242*0Sstevel@tonic-gate sendack(ak); 243*0Sstevel@tonic-gate break; 244*0Sstevel@tonic-gate case NOTRUNNING: 245*0Sstevel@tonic-gate case FAILED: 246*0Sstevel@tonic-gate case STOPPING: 247*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 248*0Sstevel@tonic-gate ak->ak_resp = AK_PMNOTRUN; 249*0Sstevel@tonic-gate ak->ak_size = 0; 250*0Sstevel@tonic-gate sendack(ak); 251*0Sstevel@tonic-gate break; 252*0Sstevel@tonic-gate case STARTING: 253*0Sstevel@tonic-gate case DISABLED: 254*0Sstevel@tonic-gate sacmsg.sc_type = SC_ENABLE; 255*0Sstevel@tonic-gate sacmsg.sc_size = 0; 256*0Sstevel@tonic-gate sp->sc_sstate = ENABLED; 257*0Sstevel@tonic-gate sp->sc_lstate = ENABLED; 258*0Sstevel@tonic-gate sendpmmsg(sp, &sacmsg); 259*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 260*0Sstevel@tonic-gate ak->ak_resp = AK_ACK; 261*0Sstevel@tonic-gate ak->ak_size = 0; 262*0Sstevel@tonic-gate sendack(ak); 263*0Sstevel@tonic-gate break; 264*0Sstevel@tonic-gate case ENABLED: 265*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 266*0Sstevel@tonic-gate ak->ak_resp = AK_ACK; 267*0Sstevel@tonic-gate ak->ak_size = 0; 268*0Sstevel@tonic-gate sendack(ak); 269*0Sstevel@tonic-gate break; 270*0Sstevel@tonic-gate } 271*0Sstevel@tonic-gate break; 272*0Sstevel@tonic-gate 273*0Sstevel@tonic-gate /* 274*0Sstevel@tonic-gate * request to disable a port monitor 275*0Sstevel@tonic-gate */ 276*0Sstevel@tonic-gate 277*0Sstevel@tonic-gate case AC_DISABLE: 278*0Sstevel@tonic-gate # ifdef DEBUG 279*0Sstevel@tonic-gate (void) sprintf(Scratch, "Got AC_DISABLE for <%s>", ap->ac_tag); 280*0Sstevel@tonic-gate log(Scratch); 281*0Sstevel@tonic-gate # endif 282*0Sstevel@tonic-gate if ((sp = findpm(ap->ac_tag)) == NULL) { 283*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 284*0Sstevel@tonic-gate ak->ak_resp = AK_NOPM; 285*0Sstevel@tonic-gate ak->ak_size = 0; 286*0Sstevel@tonic-gate sendack(ak); 287*0Sstevel@tonic-gate break; 288*0Sstevel@tonic-gate } 289*0Sstevel@tonic-gate switch (sp->sc_sstate) { 290*0Sstevel@tonic-gate case UNKNOWN: 291*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 292*0Sstevel@tonic-gate ak->ak_resp = AK_RECOVER; 293*0Sstevel@tonic-gate ak->ak_size = 0; 294*0Sstevel@tonic-gate sendack(ak); 295*0Sstevel@tonic-gate break; 296*0Sstevel@tonic-gate case NOTRUNNING: 297*0Sstevel@tonic-gate case FAILED: 298*0Sstevel@tonic-gate case STOPPING: 299*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 300*0Sstevel@tonic-gate ak->ak_resp = AK_PMNOTRUN; 301*0Sstevel@tonic-gate ak->ak_size = 0; 302*0Sstevel@tonic-gate sendack(ak); 303*0Sstevel@tonic-gate break; 304*0Sstevel@tonic-gate case STARTING: 305*0Sstevel@tonic-gate case ENABLED: 306*0Sstevel@tonic-gate sacmsg.sc_type = SC_DISABLE; 307*0Sstevel@tonic-gate sacmsg.sc_size = 0; 308*0Sstevel@tonic-gate sp->sc_sstate = DISABLED; 309*0Sstevel@tonic-gate sp->sc_lstate = DISABLED; 310*0Sstevel@tonic-gate sendpmmsg(sp, &sacmsg); 311*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 312*0Sstevel@tonic-gate ak->ak_resp = AK_ACK; 313*0Sstevel@tonic-gate ak->ak_size = 0; 314*0Sstevel@tonic-gate sendack(ak); 315*0Sstevel@tonic-gate break; 316*0Sstevel@tonic-gate case DISABLED: 317*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 318*0Sstevel@tonic-gate ak->ak_resp = AK_ACK; 319*0Sstevel@tonic-gate ak->ak_size = 0; 320*0Sstevel@tonic-gate sendack(ak); 321*0Sstevel@tonic-gate break; 322*0Sstevel@tonic-gate } 323*0Sstevel@tonic-gate break; 324*0Sstevel@tonic-gate 325*0Sstevel@tonic-gate /* 326*0Sstevel@tonic-gate * request for port monitor status information 327*0Sstevel@tonic-gate */ 328*0Sstevel@tonic-gate 329*0Sstevel@tonic-gate case AC_STATUS: 330*0Sstevel@tonic-gate # ifdef DEBUG 331*0Sstevel@tonic-gate log("Got AC_STATUS"); 332*0Sstevel@tonic-gate # endif 333*0Sstevel@tonic-gate /* get all the info in one convenient place */ 334*0Sstevel@tonic-gate data = dump_table(); 335*0Sstevel@tonic-gate if ((data == NULL) && (Nentries > 0)) { 336*0Sstevel@tonic-gate /* something bad happened in dump_table */ 337*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 338*0Sstevel@tonic-gate ak->ak_resp = AK_REQFAIL; 339*0Sstevel@tonic-gate ak->ak_size = 0; 340*0Sstevel@tonic-gate sendack(ak); 341*0Sstevel@tonic-gate break; 342*0Sstevel@tonic-gate } 343*0Sstevel@tonic-gate /* count how big it is */ 344*0Sstevel@tonic-gate ak->ak_size = 0; 345*0Sstevel@tonic-gate for (i = 0; i < Nentries; ++i) 346*0Sstevel@tonic-gate ak->ak_size += strlen(data[i]); 347*0Sstevel@tonic-gate # ifdef DEBUG 348*0Sstevel@tonic-gate (void) sprintf(Scratch, "ak_size is %d", ak->ak_size); 349*0Sstevel@tonic-gate debug(Scratch); 350*0Sstevel@tonic-gate # endif 351*0Sstevel@tonic-gate /* get a contiguous chunk */ 352*0Sstevel@tonic-gate if ((p = malloc((unsigned) (ak->ak_size + 1))) == NULL) { 353*0Sstevel@tonic-gate error(E_MALLOC, CONT); 354*0Sstevel@tonic-gate for (i = 0; i < Nentries; ++i) 355*0Sstevel@tonic-gate free(data[i]); 356*0Sstevel@tonic-gate free((char *) data); 357*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 358*0Sstevel@tonic-gate ak->ak_resp = AK_REQFAIL; 359*0Sstevel@tonic-gate ak->ak_size = 0; 360*0Sstevel@tonic-gate sendack(ak); 361*0Sstevel@tonic-gate break; 362*0Sstevel@tonic-gate } 363*0Sstevel@tonic-gate /* condense the data into the contiguous chunk */ 364*0Sstevel@tonic-gate *p = '\0'; 365*0Sstevel@tonic-gate for (i = 0; i < Nentries; ++i) { 366*0Sstevel@tonic-gate (void) strcat(p, data[i]); 367*0Sstevel@tonic-gate free(data[i]); 368*0Sstevel@tonic-gate } 369*0Sstevel@tonic-gate # ifdef DEBUG 370*0Sstevel@tonic-gate debug(p); 371*0Sstevel@tonic-gate # endif 372*0Sstevel@tonic-gate if (data) 373*0Sstevel@tonic-gate free((char *) data); 374*0Sstevel@tonic-gate /* ak->ak_size was set above */ 375*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 376*0Sstevel@tonic-gate ak->ak_resp = AK_ACK; 377*0Sstevel@tonic-gate sendack(ak); 378*0Sstevel@tonic-gate if (ak->ak_size) 379*0Sstevel@tonic-gate if (write(Cfd, p, (unsigned) ak->ak_size) != ak->ak_size) 380*0Sstevel@tonic-gate log("could not send info"); 381*0Sstevel@tonic-gate free(p); 382*0Sstevel@tonic-gate break; 383*0Sstevel@tonic-gate 384*0Sstevel@tonic-gate /* 385*0Sstevel@tonic-gate * request for sac to read sactab 386*0Sstevel@tonic-gate */ 387*0Sstevel@tonic-gate 388*0Sstevel@tonic-gate case AC_SACREAD: 389*0Sstevel@tonic-gate # ifdef DEBUG 390*0Sstevel@tonic-gate log("Got AC_SACREAD"); 391*0Sstevel@tonic-gate # endif 392*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 393*0Sstevel@tonic-gate ak->ak_resp = AK_ACK; 394*0Sstevel@tonic-gate ak->ak_size = 0; 395*0Sstevel@tonic-gate read_table(TRUE); 396*0Sstevel@tonic-gate sendack(ak); 397*0Sstevel@tonic-gate break; 398*0Sstevel@tonic-gate 399*0Sstevel@tonic-gate /* 400*0Sstevel@tonic-gate * request for port monitor to read _pmtab 401*0Sstevel@tonic-gate */ 402*0Sstevel@tonic-gate 403*0Sstevel@tonic-gate case AC_PMREAD: 404*0Sstevel@tonic-gate # ifdef DEBUG 405*0Sstevel@tonic-gate (void) sprintf(Scratch, "Got AC_PMREAD for <%s>", ap->ac_tag); 406*0Sstevel@tonic-gate log(Scratch); 407*0Sstevel@tonic-gate # endif 408*0Sstevel@tonic-gate if ((sp = findpm(ap->ac_tag)) == NULL) { 409*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 410*0Sstevel@tonic-gate ak->ak_resp = AK_NOPM; 411*0Sstevel@tonic-gate ak->ak_size = 0; 412*0Sstevel@tonic-gate sendack(ak); 413*0Sstevel@tonic-gate break; 414*0Sstevel@tonic-gate } 415*0Sstevel@tonic-gate switch (sp->sc_sstate) { 416*0Sstevel@tonic-gate case UNKNOWN: 417*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 418*0Sstevel@tonic-gate ak->ak_resp = AK_RECOVER; 419*0Sstevel@tonic-gate ak->ak_size = 0; 420*0Sstevel@tonic-gate sendack(ak); 421*0Sstevel@tonic-gate break; 422*0Sstevel@tonic-gate case NOTRUNNING: 423*0Sstevel@tonic-gate case FAILED: 424*0Sstevel@tonic-gate case STOPPING: 425*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 426*0Sstevel@tonic-gate ak->ak_resp = AK_PMNOTRUN; 427*0Sstevel@tonic-gate ak->ak_size = 0; 428*0Sstevel@tonic-gate sendack(ak); 429*0Sstevel@tonic-gate break; 430*0Sstevel@tonic-gate case STARTING: 431*0Sstevel@tonic-gate case ENABLED: 432*0Sstevel@tonic-gate case DISABLED: 433*0Sstevel@tonic-gate sacmsg.sc_type = SC_READDB; 434*0Sstevel@tonic-gate sacmsg.sc_size = 0; 435*0Sstevel@tonic-gate sendpmmsg(sp, &sacmsg); 436*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 437*0Sstevel@tonic-gate ak->ak_resp = AK_ACK; 438*0Sstevel@tonic-gate ak->ak_size = 0; 439*0Sstevel@tonic-gate sendack(ak); 440*0Sstevel@tonic-gate break; 441*0Sstevel@tonic-gate } 442*0Sstevel@tonic-gate break; 443*0Sstevel@tonic-gate /* 444*0Sstevel@tonic-gate * garbled message 445*0Sstevel@tonic-gate */ 446*0Sstevel@tonic-gate 447*0Sstevel@tonic-gate default: 448*0Sstevel@tonic-gate (void) sprintf(Scratch, "Got unknown message for <%s>", ap->ac_tag); 449*0Sstevel@tonic-gate log(Scratch); 450*0Sstevel@tonic-gate ak->ak_pid = ap->ac_pid; 451*0Sstevel@tonic-gate ak->ak_resp = AK_UNKNOWN; 452*0Sstevel@tonic-gate ak->ak_size = 0; 453*0Sstevel@tonic-gate sendack(ak); 454*0Sstevel@tonic-gate break; 455*0Sstevel@tonic-gate } 456*0Sstevel@tonic-gate break; 457*0Sstevel@tonic-gate default: 458*0Sstevel@tonic-gate error(E_POLL, EXIT); 459*0Sstevel@tonic-gate } 460*0Sstevel@tonic-gate } 461*0Sstevel@tonic-gate 462*0Sstevel@tonic-gate 463*0Sstevel@tonic-gate /* 464*0Sstevel@tonic-gate * sendack - send a response to the administrative command 465*0Sstevel@tonic-gate * 466*0Sstevel@tonic-gate * args: ap - pointer to acknowlegment message 467*0Sstevel@tonic-gate */ 468*0Sstevel@tonic-gate 469*0Sstevel@tonic-gate void 470*0Sstevel@tonic-gate sendack(ap) 471*0Sstevel@tonic-gate struct admack *ap; 472*0Sstevel@tonic-gate { 473*0Sstevel@tonic-gate # ifdef DEBUG 474*0Sstevel@tonic-gate debug("in sendack"); 475*0Sstevel@tonic-gate # endif 476*0Sstevel@tonic-gate if (write(Cfd, ap, sizeof(struct admack)) != sizeof(struct admack)) 477*0Sstevel@tonic-gate log("Could not send ack"); 478*0Sstevel@tonic-gate } 479*0Sstevel@tonic-gate 480*0Sstevel@tonic-gate 481*0Sstevel@tonic-gate /* 482*0Sstevel@tonic-gate * sendpmmsg - send a message to a PM. Note: sc_size is always 0 in 483*0Sstevel@tonic-gate * this version so just send the header. 484*0Sstevel@tonic-gate * 485*0Sstevel@tonic-gate * args: sp - pointer to sac's port monitor information for 486*0Sstevel@tonic-gate * designated port monitor 487*0Sstevel@tonic-gate * sm - pointer to message to send 488*0Sstevel@tonic-gate */ 489*0Sstevel@tonic-gate 490*0Sstevel@tonic-gate void 491*0Sstevel@tonic-gate sendpmmsg(sp, sm) 492*0Sstevel@tonic-gate register struct sactab *sp; 493*0Sstevel@tonic-gate register struct sacmsg *sm; 494*0Sstevel@tonic-gate { 495*0Sstevel@tonic-gate char buf[SIZE]; /* scratch buffer */ 496*0Sstevel@tonic-gate 497*0Sstevel@tonic-gate # ifdef DEBUG 498*0Sstevel@tonic-gate debug("in sendpmmsg"); 499*0Sstevel@tonic-gate # endif 500*0Sstevel@tonic-gate if (write(sp->sc_fd, sm, sizeof(struct sacmsg)) != sizeof(struct sacmsg)) { 501*0Sstevel@tonic-gate (void) sprintf(buf, "message to <%s> failed", sp->sc_tag); 502*0Sstevel@tonic-gate log(buf); 503*0Sstevel@tonic-gate } 504*0Sstevel@tonic-gate } 505*0Sstevel@tonic-gate 506*0Sstevel@tonic-gate /* 507*0Sstevel@tonic-gate * sendsig - send a signal to the port monitor 508*0Sstevel@tonic-gate * 509*0Sstevel@tonic-gate * args: sp - pointer to sac's port monitor infomation for 510*0Sstevel@tonic-gate * designated port monitor 511*0Sstevel@tonic-gate * signo - signal number to send 512*0Sstevel@tonic-gate */ 513*0Sstevel@tonic-gate 514*0Sstevel@tonic-gate 515*0Sstevel@tonic-gate sendsig(sp, signo) 516*0Sstevel@tonic-gate register struct sactab *sp; 517*0Sstevel@tonic-gate int signo; 518*0Sstevel@tonic-gate { 519*0Sstevel@tonic-gate pid_t pid; /* pid of designated port monitor */ 520*0Sstevel@tonic-gate pid_t checklock(); 521*0Sstevel@tonic-gate 522*0Sstevel@tonic-gate # ifdef DEBUG 523*0Sstevel@tonic-gate (void) sprintf(Scratch, "in sendsig - sending signo %d to %s", signo, sp->sc_tag); 524*0Sstevel@tonic-gate debug(Scratch); 525*0Sstevel@tonic-gate # endif 526*0Sstevel@tonic-gate if (pid = checklock(sp)) { 527*0Sstevel@tonic-gate if (kill(pid, signo) < 0) { 528*0Sstevel@tonic-gate # ifdef DEBUG 529*0Sstevel@tonic-gate debug("in sendsig - kill failed"); 530*0Sstevel@tonic-gate # endif 531*0Sstevel@tonic-gate return(-1); 532*0Sstevel@tonic-gate } 533*0Sstevel@tonic-gate else 534*0Sstevel@tonic-gate return(0); 535*0Sstevel@tonic-gate } 536*0Sstevel@tonic-gate else { 537*0Sstevel@tonic-gate # ifdef DEBUG 538*0Sstevel@tonic-gate debug("in sendsig - checklock failed"); 539*0Sstevel@tonic-gate # endif 540*0Sstevel@tonic-gate return(-1); 541*0Sstevel@tonic-gate } 542*0Sstevel@tonic-gate } 543*0Sstevel@tonic-gate 544*0Sstevel@tonic-gate 545*0Sstevel@tonic-gate /* 546*0Sstevel@tonic-gate * checklock - check to see if a _pid file is locked 547*0Sstevel@tonic-gate * if so, return pid in file, else 0 548*0Sstevel@tonic-gate * 549*0Sstevel@tonic-gate * args: sp - pointer to sac's port monitor infomation for 550*0Sstevel@tonic-gate * designated port monitor 551*0Sstevel@tonic-gate */ 552*0Sstevel@tonic-gate 553*0Sstevel@tonic-gate pid_t 554*0Sstevel@tonic-gate checklock(sp) 555*0Sstevel@tonic-gate register struct sactab *sp; 556*0Sstevel@tonic-gate { 557*0Sstevel@tonic-gate int fd; /* scratch file descriptor */ 558*0Sstevel@tonic-gate char buf[SIZE]; /* scratch buffer */ 559*0Sstevel@tonic-gate int ret; /* return value */ 560*0Sstevel@tonic-gate 561*0Sstevel@tonic-gate # ifdef DEBUG 562*0Sstevel@tonic-gate debug("in checklock"); 563*0Sstevel@tonic-gate # endif 564*0Sstevel@tonic-gate (void) sprintf(Scratch, "%s/%s/_pid", HOME, sp->sc_tag); 565*0Sstevel@tonic-gate fd = open(Scratch, O_RDONLY); 566*0Sstevel@tonic-gate if (fd < 0) { 567*0Sstevel@tonic-gate (void) sprintf(Scratch, "can not open _pid file for <%s>", sp->sc_tag); 568*0Sstevel@tonic-gate log(Scratch); 569*0Sstevel@tonic-gate return((pid_t)0); 570*0Sstevel@tonic-gate } 571*0Sstevel@tonic-gate if (lockf(fd, F_TEST, 0) < 0) { 572*0Sstevel@tonic-gate if ((ret = read(fd, buf, SIZE - 1)) < 0) { 573*0Sstevel@tonic-gate (void) close(fd); 574*0Sstevel@tonic-gate return((pid_t)0); 575*0Sstevel@tonic-gate } 576*0Sstevel@tonic-gate (void) close(fd); 577*0Sstevel@tonic-gate /* in case pid wasn't null-terminated */ 578*0Sstevel@tonic-gate buf[ret] = '\0'; 579*0Sstevel@tonic-gate return((pid_t)atol(buf)); 580*0Sstevel@tonic-gate } 581*0Sstevel@tonic-gate (void) close(fd); 582*0Sstevel@tonic-gate return((pid_t)0); 583*0Sstevel@tonic-gate } 584