1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers. 3*0Sstevel@tonic-gate * All rights reserved. 4*0Sstevel@tonic-gate * 5*0Sstevel@tonic-gate * By using this file, you agree to the terms and conditions set 6*0Sstevel@tonic-gate * forth in the LICENSE file which can be found at the top level of 7*0Sstevel@tonic-gate * the sendmail distribution. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate */ 10*0Sstevel@tonic-gate 11*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 12*0Sstevel@tonic-gate 13*0Sstevel@tonic-gate #include <sendmail.h> 14*0Sstevel@tonic-gate 15*0Sstevel@tonic-gate SM_RCSID("@(#)$Id: control.c,v 8.126 2004/08/04 20:54:00 ca Exp $") 16*0Sstevel@tonic-gate 17*0Sstevel@tonic-gate #include <sm/fdset.h> 18*0Sstevel@tonic-gate 19*0Sstevel@tonic-gate /* values for cmd_code */ 20*0Sstevel@tonic-gate #define CMDERROR 0 /* bad command */ 21*0Sstevel@tonic-gate #define CMDRESTART 1 /* restart daemon */ 22*0Sstevel@tonic-gate #define CMDSHUTDOWN 2 /* end daemon */ 23*0Sstevel@tonic-gate #define CMDHELP 3 /* help */ 24*0Sstevel@tonic-gate #define CMDSTATUS 4 /* daemon status */ 25*0Sstevel@tonic-gate #define CMDMEMDUMP 5 /* dump memory, to find memory leaks */ 26*0Sstevel@tonic-gate #if _FFR_CONTROL_MSTAT 27*0Sstevel@tonic-gate # define CMDMSTAT 6 /* daemon status, more info, tagged data */ 28*0Sstevel@tonic-gate #endif /* _FFR_CONTROL_MSTAT */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate struct cmd 31*0Sstevel@tonic-gate { 32*0Sstevel@tonic-gate char *cmd_name; /* command name */ 33*0Sstevel@tonic-gate int cmd_code; /* internal code, see below */ 34*0Sstevel@tonic-gate }; 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate static struct cmd CmdTab[] = 37*0Sstevel@tonic-gate { 38*0Sstevel@tonic-gate { "help", CMDHELP }, 39*0Sstevel@tonic-gate { "restart", CMDRESTART }, 40*0Sstevel@tonic-gate { "shutdown", CMDSHUTDOWN }, 41*0Sstevel@tonic-gate { "status", CMDSTATUS }, 42*0Sstevel@tonic-gate { "memdump", CMDMEMDUMP }, 43*0Sstevel@tonic-gate #if _FFR_CONTROL_MSTAT 44*0Sstevel@tonic-gate { "mstat", CMDMSTAT }, 45*0Sstevel@tonic-gate #endif /* _FFR_CONTROL_MSTAT */ 46*0Sstevel@tonic-gate { NULL, CMDERROR } 47*0Sstevel@tonic-gate }; 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate static void controltimeout __P((int)); 52*0Sstevel@tonic-gate int ControlSocket = -1; 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate /* 55*0Sstevel@tonic-gate ** OPENCONTROLSOCKET -- create/open the daemon control named socket 56*0Sstevel@tonic-gate ** 57*0Sstevel@tonic-gate ** Creates and opens a named socket for external control over 58*0Sstevel@tonic-gate ** the sendmail daemon. 59*0Sstevel@tonic-gate ** 60*0Sstevel@tonic-gate ** Parameters: 61*0Sstevel@tonic-gate ** none. 62*0Sstevel@tonic-gate ** 63*0Sstevel@tonic-gate ** Returns: 64*0Sstevel@tonic-gate ** 0 if successful, -1 otherwise 65*0Sstevel@tonic-gate */ 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate int 68*0Sstevel@tonic-gate opencontrolsocket() 69*0Sstevel@tonic-gate { 70*0Sstevel@tonic-gate # if NETUNIX 71*0Sstevel@tonic-gate int save_errno; 72*0Sstevel@tonic-gate int rval; 73*0Sstevel@tonic-gate long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_CREAT|SFF_MUSTOWN; 74*0Sstevel@tonic-gate struct sockaddr_un controladdr; 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate if (ControlSocketName == NULL || *ControlSocketName == '\0') 77*0Sstevel@tonic-gate return 0; 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate if (strlen(ControlSocketName) >= sizeof controladdr.sun_path) 80*0Sstevel@tonic-gate { 81*0Sstevel@tonic-gate errno = ENAMETOOLONG; 82*0Sstevel@tonic-gate return -1; 83*0Sstevel@tonic-gate } 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate rval = safefile(ControlSocketName, RunAsUid, RunAsGid, RunAsUserName, 86*0Sstevel@tonic-gate sff, S_IRUSR|S_IWUSR, NULL); 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate /* if not safe, don't create */ 89*0Sstevel@tonic-gate if (rval != 0) 90*0Sstevel@tonic-gate { 91*0Sstevel@tonic-gate errno = rval; 92*0Sstevel@tonic-gate return -1; 93*0Sstevel@tonic-gate } 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate ControlSocket = socket(AF_UNIX, SOCK_STREAM, 0); 96*0Sstevel@tonic-gate if (ControlSocket < 0) 97*0Sstevel@tonic-gate return -1; 98*0Sstevel@tonic-gate if (SM_FD_SETSIZE > 0 && ControlSocket >= SM_FD_SETSIZE) 99*0Sstevel@tonic-gate { 100*0Sstevel@tonic-gate clrcontrol(); 101*0Sstevel@tonic-gate errno = EINVAL; 102*0Sstevel@tonic-gate return -1; 103*0Sstevel@tonic-gate } 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate (void) unlink(ControlSocketName); 106*0Sstevel@tonic-gate memset(&controladdr, '\0', sizeof controladdr); 107*0Sstevel@tonic-gate controladdr.sun_family = AF_UNIX; 108*0Sstevel@tonic-gate (void) sm_strlcpy(controladdr.sun_path, ControlSocketName, 109*0Sstevel@tonic-gate sizeof controladdr.sun_path); 110*0Sstevel@tonic-gate 111*0Sstevel@tonic-gate if (bind(ControlSocket, (struct sockaddr *) &controladdr, 112*0Sstevel@tonic-gate sizeof controladdr) < 0) 113*0Sstevel@tonic-gate { 114*0Sstevel@tonic-gate save_errno = errno; 115*0Sstevel@tonic-gate clrcontrol(); 116*0Sstevel@tonic-gate errno = save_errno; 117*0Sstevel@tonic-gate return -1; 118*0Sstevel@tonic-gate } 119*0Sstevel@tonic-gate 120*0Sstevel@tonic-gate if (geteuid() == 0) 121*0Sstevel@tonic-gate { 122*0Sstevel@tonic-gate uid_t u = 0; 123*0Sstevel@tonic-gate 124*0Sstevel@tonic-gate if (RunAsUid != 0) 125*0Sstevel@tonic-gate u = RunAsUid; 126*0Sstevel@tonic-gate else if (TrustedUid != 0) 127*0Sstevel@tonic-gate u = TrustedUid; 128*0Sstevel@tonic-gate 129*0Sstevel@tonic-gate if (u != 0 && 130*0Sstevel@tonic-gate chown(ControlSocketName, u, -1) < 0) 131*0Sstevel@tonic-gate { 132*0Sstevel@tonic-gate save_errno = errno; 133*0Sstevel@tonic-gate sm_syslog(LOG_ALERT, NOQID, 134*0Sstevel@tonic-gate "ownership change on %s to uid %d failed: %s", 135*0Sstevel@tonic-gate ControlSocketName, (int) u, 136*0Sstevel@tonic-gate sm_errstring(save_errno)); 137*0Sstevel@tonic-gate message("050 ownership change on %s to uid %d failed: %s", 138*0Sstevel@tonic-gate ControlSocketName, (int) u, 139*0Sstevel@tonic-gate sm_errstring(save_errno)); 140*0Sstevel@tonic-gate closecontrolsocket(true); 141*0Sstevel@tonic-gate errno = save_errno; 142*0Sstevel@tonic-gate return -1; 143*0Sstevel@tonic-gate } 144*0Sstevel@tonic-gate } 145*0Sstevel@tonic-gate 146*0Sstevel@tonic-gate if (chmod(ControlSocketName, S_IRUSR|S_IWUSR) < 0) 147*0Sstevel@tonic-gate { 148*0Sstevel@tonic-gate save_errno = errno; 149*0Sstevel@tonic-gate closecontrolsocket(true); 150*0Sstevel@tonic-gate errno = save_errno; 151*0Sstevel@tonic-gate return -1; 152*0Sstevel@tonic-gate } 153*0Sstevel@tonic-gate 154*0Sstevel@tonic-gate if (listen(ControlSocket, 8) < 0) 155*0Sstevel@tonic-gate { 156*0Sstevel@tonic-gate save_errno = errno; 157*0Sstevel@tonic-gate closecontrolsocket(true); 158*0Sstevel@tonic-gate errno = save_errno; 159*0Sstevel@tonic-gate return -1; 160*0Sstevel@tonic-gate } 161*0Sstevel@tonic-gate # endif /* NETUNIX */ 162*0Sstevel@tonic-gate return 0; 163*0Sstevel@tonic-gate } 164*0Sstevel@tonic-gate /* 165*0Sstevel@tonic-gate ** CLOSECONTROLSOCKET -- close the daemon control named socket 166*0Sstevel@tonic-gate ** 167*0Sstevel@tonic-gate ** Close a named socket. 168*0Sstevel@tonic-gate ** 169*0Sstevel@tonic-gate ** Parameters: 170*0Sstevel@tonic-gate ** fullclose -- if set, close the socket and remove it; 171*0Sstevel@tonic-gate ** otherwise, just remove it 172*0Sstevel@tonic-gate ** 173*0Sstevel@tonic-gate ** Returns: 174*0Sstevel@tonic-gate ** none. 175*0Sstevel@tonic-gate */ 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate void 178*0Sstevel@tonic-gate closecontrolsocket(fullclose) 179*0Sstevel@tonic-gate bool fullclose; 180*0Sstevel@tonic-gate { 181*0Sstevel@tonic-gate # if NETUNIX 182*0Sstevel@tonic-gate long sff = SFF_SAFEDIRPATH|SFF_OPENASROOT|SFF_NOLINK|SFF_CREAT|SFF_MUSTOWN; 183*0Sstevel@tonic-gate 184*0Sstevel@tonic-gate if (ControlSocket >= 0) 185*0Sstevel@tonic-gate { 186*0Sstevel@tonic-gate int rval; 187*0Sstevel@tonic-gate 188*0Sstevel@tonic-gate if (fullclose) 189*0Sstevel@tonic-gate { 190*0Sstevel@tonic-gate (void) close(ControlSocket); 191*0Sstevel@tonic-gate ControlSocket = -1; 192*0Sstevel@tonic-gate } 193*0Sstevel@tonic-gate 194*0Sstevel@tonic-gate rval = safefile(ControlSocketName, RunAsUid, RunAsGid, 195*0Sstevel@tonic-gate RunAsUserName, sff, S_IRUSR|S_IWUSR, NULL); 196*0Sstevel@tonic-gate 197*0Sstevel@tonic-gate /* if not safe, don't unlink */ 198*0Sstevel@tonic-gate if (rval != 0) 199*0Sstevel@tonic-gate return; 200*0Sstevel@tonic-gate 201*0Sstevel@tonic-gate if (unlink(ControlSocketName) < 0) 202*0Sstevel@tonic-gate { 203*0Sstevel@tonic-gate sm_syslog(LOG_WARNING, NOQID, 204*0Sstevel@tonic-gate "Could not remove control socket: %s", 205*0Sstevel@tonic-gate sm_errstring(errno)); 206*0Sstevel@tonic-gate return; 207*0Sstevel@tonic-gate } 208*0Sstevel@tonic-gate } 209*0Sstevel@tonic-gate # endif /* NETUNIX */ 210*0Sstevel@tonic-gate return; 211*0Sstevel@tonic-gate } 212*0Sstevel@tonic-gate /* 213*0Sstevel@tonic-gate ** CLRCONTROL -- reset the control connection 214*0Sstevel@tonic-gate ** 215*0Sstevel@tonic-gate ** Parameters: 216*0Sstevel@tonic-gate ** none. 217*0Sstevel@tonic-gate ** 218*0Sstevel@tonic-gate ** Returns: 219*0Sstevel@tonic-gate ** none. 220*0Sstevel@tonic-gate ** 221*0Sstevel@tonic-gate ** Side Effects: 222*0Sstevel@tonic-gate ** releases any resources used by the control interface. 223*0Sstevel@tonic-gate */ 224*0Sstevel@tonic-gate 225*0Sstevel@tonic-gate void 226*0Sstevel@tonic-gate clrcontrol() 227*0Sstevel@tonic-gate { 228*0Sstevel@tonic-gate # if NETUNIX 229*0Sstevel@tonic-gate if (ControlSocket >= 0) 230*0Sstevel@tonic-gate (void) close(ControlSocket); 231*0Sstevel@tonic-gate ControlSocket = -1; 232*0Sstevel@tonic-gate # endif /* NETUNIX */ 233*0Sstevel@tonic-gate } 234*0Sstevel@tonic-gate /* 235*0Sstevel@tonic-gate ** CONTROL_COMMAND -- read and process command from named socket 236*0Sstevel@tonic-gate ** 237*0Sstevel@tonic-gate ** Read and process the command from the opened socket. 238*0Sstevel@tonic-gate ** Exits when done since it is running in a forked child. 239*0Sstevel@tonic-gate ** 240*0Sstevel@tonic-gate ** Parameters: 241*0Sstevel@tonic-gate ** sock -- the opened socket from getrequests() 242*0Sstevel@tonic-gate ** e -- the current envelope 243*0Sstevel@tonic-gate ** 244*0Sstevel@tonic-gate ** Returns: 245*0Sstevel@tonic-gate ** none. 246*0Sstevel@tonic-gate */ 247*0Sstevel@tonic-gate 248*0Sstevel@tonic-gate static jmp_buf CtxControlTimeout; 249*0Sstevel@tonic-gate 250*0Sstevel@tonic-gate /* ARGSUSED0 */ 251*0Sstevel@tonic-gate static void 252*0Sstevel@tonic-gate controltimeout(timeout) 253*0Sstevel@tonic-gate int timeout; 254*0Sstevel@tonic-gate { 255*0Sstevel@tonic-gate /* 256*0Sstevel@tonic-gate ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD 257*0Sstevel@tonic-gate ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE 258*0Sstevel@tonic-gate ** DOING. 259*0Sstevel@tonic-gate */ 260*0Sstevel@tonic-gate 261*0Sstevel@tonic-gate errno = ETIMEDOUT; 262*0Sstevel@tonic-gate longjmp(CtxControlTimeout, 1); 263*0Sstevel@tonic-gate } 264*0Sstevel@tonic-gate 265*0Sstevel@tonic-gate void 266*0Sstevel@tonic-gate control_command(sock, e) 267*0Sstevel@tonic-gate int sock; 268*0Sstevel@tonic-gate ENVELOPE *e; 269*0Sstevel@tonic-gate { 270*0Sstevel@tonic-gate volatile int exitstat = EX_OK; 271*0Sstevel@tonic-gate SM_FILE_T *s = NULL; 272*0Sstevel@tonic-gate SM_EVENT *ev = NULL; 273*0Sstevel@tonic-gate SM_FILE_T *traffic; 274*0Sstevel@tonic-gate SM_FILE_T *oldout; 275*0Sstevel@tonic-gate char *cmd; 276*0Sstevel@tonic-gate char *p; 277*0Sstevel@tonic-gate struct cmd *c; 278*0Sstevel@tonic-gate char cmdbuf[MAXLINE]; 279*0Sstevel@tonic-gate char inp[MAXLINE]; 280*0Sstevel@tonic-gate 281*0Sstevel@tonic-gate sm_setproctitle(false, e, "control cmd read"); 282*0Sstevel@tonic-gate 283*0Sstevel@tonic-gate if (TimeOuts.to_control > 0) 284*0Sstevel@tonic-gate { 285*0Sstevel@tonic-gate /* handle possible input timeout */ 286*0Sstevel@tonic-gate if (setjmp(CtxControlTimeout) != 0) 287*0Sstevel@tonic-gate { 288*0Sstevel@tonic-gate if (LogLevel > 2) 289*0Sstevel@tonic-gate sm_syslog(LOG_NOTICE, e->e_id, 290*0Sstevel@tonic-gate "timeout waiting for input during control command"); 291*0Sstevel@tonic-gate exit(EX_IOERR); 292*0Sstevel@tonic-gate } 293*0Sstevel@tonic-gate ev = sm_setevent(TimeOuts.to_control, controltimeout, 294*0Sstevel@tonic-gate TimeOuts.to_control); 295*0Sstevel@tonic-gate } 296*0Sstevel@tonic-gate 297*0Sstevel@tonic-gate s = sm_io_open(SmFtStdiofd, SM_TIME_DEFAULT, (void *) &sock, 298*0Sstevel@tonic-gate SM_IO_RDWR, NULL); 299*0Sstevel@tonic-gate if (s == NULL) 300*0Sstevel@tonic-gate { 301*0Sstevel@tonic-gate int save_errno = errno; 302*0Sstevel@tonic-gate 303*0Sstevel@tonic-gate (void) close(sock); 304*0Sstevel@tonic-gate errno = save_errno; 305*0Sstevel@tonic-gate exit(EX_IOERR); 306*0Sstevel@tonic-gate } 307*0Sstevel@tonic-gate (void) sm_io_setvbuf(s, SM_TIME_DEFAULT, NULL, 308*0Sstevel@tonic-gate SM_IO_NBF, SM_IO_BUFSIZ); 309*0Sstevel@tonic-gate 310*0Sstevel@tonic-gate if (sm_io_fgets(s, SM_TIME_DEFAULT, inp, sizeof inp) == NULL) 311*0Sstevel@tonic-gate { 312*0Sstevel@tonic-gate (void) sm_io_close(s, SM_TIME_DEFAULT); 313*0Sstevel@tonic-gate exit(EX_IOERR); 314*0Sstevel@tonic-gate } 315*0Sstevel@tonic-gate (void) sm_io_flush(s, SM_TIME_DEFAULT); 316*0Sstevel@tonic-gate 317*0Sstevel@tonic-gate /* clean up end of line */ 318*0Sstevel@tonic-gate fixcrlf(inp, true); 319*0Sstevel@tonic-gate 320*0Sstevel@tonic-gate sm_setproctitle(false, e, "control: %s", inp); 321*0Sstevel@tonic-gate 322*0Sstevel@tonic-gate /* break off command */ 323*0Sstevel@tonic-gate for (p = inp; isascii(*p) && isspace(*p); p++) 324*0Sstevel@tonic-gate continue; 325*0Sstevel@tonic-gate cmd = cmdbuf; 326*0Sstevel@tonic-gate while (*p != '\0' && 327*0Sstevel@tonic-gate !(isascii(*p) && isspace(*p)) && 328*0Sstevel@tonic-gate cmd < &cmdbuf[sizeof cmdbuf - 2]) 329*0Sstevel@tonic-gate *cmd++ = *p++; 330*0Sstevel@tonic-gate *cmd = '\0'; 331*0Sstevel@tonic-gate 332*0Sstevel@tonic-gate /* throw away leading whitespace */ 333*0Sstevel@tonic-gate while (isascii(*p) && isspace(*p)) 334*0Sstevel@tonic-gate p++; 335*0Sstevel@tonic-gate 336*0Sstevel@tonic-gate /* decode command */ 337*0Sstevel@tonic-gate for (c = CmdTab; c->cmd_name != NULL; c++) 338*0Sstevel@tonic-gate { 339*0Sstevel@tonic-gate if (sm_strcasecmp(c->cmd_name, cmdbuf) == 0) 340*0Sstevel@tonic-gate break; 341*0Sstevel@tonic-gate } 342*0Sstevel@tonic-gate 343*0Sstevel@tonic-gate switch (c->cmd_code) 344*0Sstevel@tonic-gate { 345*0Sstevel@tonic-gate case CMDHELP: /* get help */ 346*0Sstevel@tonic-gate traffic = TrafficLogFile; 347*0Sstevel@tonic-gate TrafficLogFile = NULL; 348*0Sstevel@tonic-gate oldout = OutChannel; 349*0Sstevel@tonic-gate OutChannel = s; 350*0Sstevel@tonic-gate help("control", e); 351*0Sstevel@tonic-gate TrafficLogFile = traffic; 352*0Sstevel@tonic-gate OutChannel = oldout; 353*0Sstevel@tonic-gate break; 354*0Sstevel@tonic-gate 355*0Sstevel@tonic-gate case CMDRESTART: /* restart the daemon */ 356*0Sstevel@tonic-gate (void) sm_io_fprintf(s, SM_TIME_DEFAULT, "OK\r\n"); 357*0Sstevel@tonic-gate exitstat = EX_RESTART; 358*0Sstevel@tonic-gate break; 359*0Sstevel@tonic-gate 360*0Sstevel@tonic-gate case CMDSHUTDOWN: /* kill the daemon */ 361*0Sstevel@tonic-gate (void) sm_io_fprintf(s, SM_TIME_DEFAULT, "OK\r\n"); 362*0Sstevel@tonic-gate exitstat = EX_SHUTDOWN; 363*0Sstevel@tonic-gate break; 364*0Sstevel@tonic-gate 365*0Sstevel@tonic-gate case CMDSTATUS: /* daemon status */ 366*0Sstevel@tonic-gate proc_list_probe(); 367*0Sstevel@tonic-gate { 368*0Sstevel@tonic-gate int qgrp; 369*0Sstevel@tonic-gate long bsize; 370*0Sstevel@tonic-gate long free; 371*0Sstevel@tonic-gate 372*0Sstevel@tonic-gate /* XXX need to deal with different partitions */ 373*0Sstevel@tonic-gate qgrp = e->e_qgrp; 374*0Sstevel@tonic-gate if (!ISVALIDQGRP(qgrp)) 375*0Sstevel@tonic-gate qgrp = 0; 376*0Sstevel@tonic-gate free = freediskspace(Queue[qgrp]->qg_qdir, &bsize); 377*0Sstevel@tonic-gate 378*0Sstevel@tonic-gate /* 379*0Sstevel@tonic-gate ** Prevent overflow and don't lose 380*0Sstevel@tonic-gate ** precision (if bsize == 512) 381*0Sstevel@tonic-gate */ 382*0Sstevel@tonic-gate 383*0Sstevel@tonic-gate if (free > 0) 384*0Sstevel@tonic-gate free = (long)((double) free * 385*0Sstevel@tonic-gate ((double) bsize / 1024)); 386*0Sstevel@tonic-gate 387*0Sstevel@tonic-gate (void) sm_io_fprintf(s, SM_TIME_DEFAULT, 388*0Sstevel@tonic-gate "%d/%d/%ld/%d\r\n", 389*0Sstevel@tonic-gate CurChildren, MaxChildren, 390*0Sstevel@tonic-gate free, getla()); 391*0Sstevel@tonic-gate } 392*0Sstevel@tonic-gate proc_list_display(s, ""); 393*0Sstevel@tonic-gate break; 394*0Sstevel@tonic-gate 395*0Sstevel@tonic-gate # if _FFR_CONTROL_MSTAT 396*0Sstevel@tonic-gate case CMDMSTAT: /* daemon status, extended, tagged format */ 397*0Sstevel@tonic-gate proc_list_probe(); 398*0Sstevel@tonic-gate (void) sm_io_fprintf(s, SM_TIME_DEFAULT, 399*0Sstevel@tonic-gate "C:%d\r\nM:%d\r\nL:%d\r\n", 400*0Sstevel@tonic-gate CurChildren, MaxChildren, 401*0Sstevel@tonic-gate getla()); 402*0Sstevel@tonic-gate printnqe(s, "Q:"); 403*0Sstevel@tonic-gate disk_status(s, "D:"); 404*0Sstevel@tonic-gate proc_list_display(s, "P:"); 405*0Sstevel@tonic-gate break; 406*0Sstevel@tonic-gate # endif /* _FFR_CONTROL_MSTAT */ 407*0Sstevel@tonic-gate 408*0Sstevel@tonic-gate case CMDMEMDUMP: /* daemon memory dump, to find memory leaks */ 409*0Sstevel@tonic-gate # if SM_HEAP_CHECK 410*0Sstevel@tonic-gate /* dump the heap, if we are checking for memory leaks */ 411*0Sstevel@tonic-gate if (sm_debug_active(&SmHeapCheck, 2)) 412*0Sstevel@tonic-gate { 413*0Sstevel@tonic-gate sm_heap_report(s, sm_debug_level(&SmHeapCheck) - 1); 414*0Sstevel@tonic-gate } 415*0Sstevel@tonic-gate else 416*0Sstevel@tonic-gate { 417*0Sstevel@tonic-gate (void) sm_io_fprintf(s, SM_TIME_DEFAULT, 418*0Sstevel@tonic-gate "Memory dump unavailable.\r\n"); 419*0Sstevel@tonic-gate (void) sm_io_fprintf(s, SM_TIME_DEFAULT, 420*0Sstevel@tonic-gate "To fix, run sendmail with -dsm_check_heap.4\r\n"); 421*0Sstevel@tonic-gate } 422*0Sstevel@tonic-gate # else /* SM_HEAP_CHECK */ 423*0Sstevel@tonic-gate (void) sm_io_fprintf(s, SM_TIME_DEFAULT, 424*0Sstevel@tonic-gate "Memory dump unavailable.\r\n"); 425*0Sstevel@tonic-gate (void) sm_io_fprintf(s, SM_TIME_DEFAULT, 426*0Sstevel@tonic-gate "To fix, rebuild with -DSM_HEAP_CHECK\r\n"); 427*0Sstevel@tonic-gate # endif /* SM_HEAP_CHECK */ 428*0Sstevel@tonic-gate break; 429*0Sstevel@tonic-gate 430*0Sstevel@tonic-gate case CMDERROR: /* unknown command */ 431*0Sstevel@tonic-gate (void) sm_io_fprintf(s, SM_TIME_DEFAULT, 432*0Sstevel@tonic-gate "Bad command (%s)\r\n", cmdbuf); 433*0Sstevel@tonic-gate break; 434*0Sstevel@tonic-gate } 435*0Sstevel@tonic-gate (void) sm_io_close(s, SM_TIME_DEFAULT); 436*0Sstevel@tonic-gate if (ev != NULL) 437*0Sstevel@tonic-gate sm_clrevent(ev); 438*0Sstevel@tonic-gate exit(exitstat); 439*0Sstevel@tonic-gate } 440