1 /* 2 * Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers. 3 * All rights reserved. 4 * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. 5 * Copyright (c) 1988, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * By using this file, you agree to the terms and conditions set 9 * forth in the LICENSE file which can be found at the top level of 10 * the sendmail distribution. 11 * 12 */ 13 14 #include <sendmail.h> 15 16 SM_RCSID("@(#)$Id: conf.c,v 1.1.1.12 2002/04/10 03:04:48 gshapiro Exp $") 17 18 /* $FreeBSD$ */ 19 20 #include <sendmail/pathnames.h> 21 22 # include <sys/ioctl.h> 23 # include <sys/param.h> 24 25 #include <limits.h> 26 #if NETINET || NETINET6 27 # include <arpa/inet.h> 28 #endif /* NETINET || NETINET6 */ 29 #if HASULIMIT && defined(HPUX11) 30 # include <ulimit.h> 31 #endif /* HASULIMIT && defined(HPUX11) */ 32 33 34 static void setupmaps __P((void)); 35 static void setupmailers __P((void)); 36 static void setupqueues __P((void)); 37 static int get_num_procs_online __P((void)); 38 39 40 /* 41 ** CONF.C -- Sendmail Configuration Tables. 42 ** 43 ** Defines the configuration of this installation. 44 ** 45 ** Configuration Variables: 46 ** HdrInfo -- a table describing well-known header fields. 47 ** Each entry has the field name and some flags, 48 ** which are described in sendmail.h. 49 ** 50 ** Notes: 51 ** I have tried to put almost all the reasonable 52 ** configuration information into the configuration 53 ** file read at runtime. My intent is that anything 54 ** here is a function of the version of UNIX you 55 ** are running, or is really static -- for example 56 ** the headers are a superset of widely used 57 ** protocols. If you find yourself playing with 58 ** this file too much, you may be making a mistake! 59 */ 60 61 62 /* 63 ** Header info table 64 ** Final (null) entry contains the flags used for any other field. 65 ** 66 ** Not all of these are actually handled specially by sendmail 67 ** at this time. They are included as placeholders, to let 68 ** you know that "someday" I intend to have sendmail do 69 ** something with them. 70 */ 71 72 struct hdrinfo HdrInfo[] = 73 { 74 /* originator fields, most to least significant */ 75 { "resent-sender", H_FROM|H_RESENT, NULL }, 76 { "resent-from", H_FROM|H_RESENT, NULL }, 77 { "resent-reply-to", H_FROM|H_RESENT, NULL }, 78 { "sender", H_FROM, NULL }, 79 { "from", H_FROM, NULL }, 80 { "reply-to", H_FROM, NULL }, 81 { "errors-to", H_FROM|H_ERRORSTO, NULL }, 82 { "full-name", H_ACHECK, NULL }, 83 { "return-receipt-to", H_RECEIPTTO, NULL }, 84 { "disposition-notification-to", H_FROM, NULL }, 85 86 /* destination fields */ 87 { "to", H_RCPT, NULL }, 88 { "resent-to", H_RCPT|H_RESENT, NULL }, 89 { "cc", H_RCPT, NULL }, 90 { "resent-cc", H_RCPT|H_RESENT, NULL }, 91 { "bcc", H_RCPT|H_BCC, NULL }, 92 { "resent-bcc", H_RCPT|H_BCC|H_RESENT, NULL }, 93 { "apparently-to", H_RCPT, NULL }, 94 95 /* message identification and control */ 96 { "message-id", 0, NULL }, 97 { "resent-message-id", H_RESENT, NULL }, 98 { "message", H_EOH, NULL }, 99 { "text", H_EOH, NULL }, 100 101 /* date fields */ 102 { "date", 0, NULL }, 103 { "resent-date", H_RESENT, NULL }, 104 105 /* trace fields */ 106 { "received", H_TRACE|H_FORCE, NULL }, 107 { "x400-received", H_TRACE|H_FORCE, NULL }, 108 { "via", H_TRACE|H_FORCE, NULL }, 109 { "mail-from", H_TRACE|H_FORCE, NULL }, 110 111 /* miscellaneous fields */ 112 { "comments", H_FORCE|H_ENCODABLE, NULL }, 113 { "return-path", H_FORCE|H_ACHECK|H_BINDLATE, NULL }, 114 { "content-transfer-encoding", H_CTE, NULL }, 115 { "content-type", H_CTYPE, NULL }, 116 { "content-length", H_ACHECK, NULL }, 117 { "subject", H_ENCODABLE, NULL }, 118 { "x-authentication-warning", H_FORCE, NULL }, 119 120 { NULL, 0, NULL } 121 }; 122 123 124 125 /* 126 ** Privacy values 127 */ 128 129 struct prival PrivacyValues[] = 130 { 131 { "public", PRIV_PUBLIC }, 132 { "needmailhelo", PRIV_NEEDMAILHELO }, 133 { "needexpnhelo", PRIV_NEEDEXPNHELO }, 134 { "needvrfyhelo", PRIV_NEEDVRFYHELO }, 135 { "noexpn", PRIV_NOEXPN }, 136 { "novrfy", PRIV_NOVRFY }, 137 { "restrictexpand", PRIV_RESTRICTEXPAND }, 138 { "restrictmailq", PRIV_RESTRICTMAILQ }, 139 { "restrictqrun", PRIV_RESTRICTQRUN }, 140 { "noetrn", PRIV_NOETRN }, 141 { "noverb", PRIV_NOVERB }, 142 { "authwarnings", PRIV_AUTHWARNINGS }, 143 { "noreceipts", PRIV_NORECEIPTS }, 144 { "nobodyreturn", PRIV_NOBODYRETN }, 145 { "goaway", PRIV_GOAWAY }, 146 { NULL, 0 } 147 }; 148 149 /* 150 ** DontBlameSendmail values 151 */ 152 153 struct dbsval DontBlameSendmailValues[] = 154 { 155 { "safe", DBS_SAFE }, 156 { "assumesafechown", DBS_ASSUMESAFECHOWN }, 157 { "groupwritabledirpathsafe", DBS_GROUPWRITABLEDIRPATHSAFE }, 158 { "groupwritableforwardfilesafe", 159 DBS_GROUPWRITABLEFORWARDFILESAFE }, 160 { "groupwritableincludefilesafe", 161 DBS_GROUPWRITABLEINCLUDEFILESAFE }, 162 { "groupwritablealiasfile", DBS_GROUPWRITABLEALIASFILE }, 163 { "worldwritablealiasfile", DBS_WORLDWRITABLEALIASFILE }, 164 { "forwardfileinunsafedirpath", DBS_FORWARDFILEINUNSAFEDIRPATH }, 165 { "includefileinunsafedirpath", DBS_INCLUDEFILEINUNSAFEDIRPATH }, 166 { "mapinunsafedirpath", DBS_MAPINUNSAFEDIRPATH }, 167 { "linkedaliasfileinwritabledir", 168 DBS_LINKEDALIASFILEINWRITABLEDIR }, 169 { "linkedclassfileinwritabledir", 170 DBS_LINKEDCLASSFILEINWRITABLEDIR }, 171 { "linkedforwardfileinwritabledir", 172 DBS_LINKEDFORWARDFILEINWRITABLEDIR }, 173 { "linkedincludefileinwritabledir", 174 DBS_LINKEDINCLUDEFILEINWRITABLEDIR }, 175 { "linkedmapinwritabledir", DBS_LINKEDMAPINWRITABLEDIR }, 176 { "linkedserviceswitchfileinwritabledir", 177 DBS_LINKEDSERVICESWITCHFILEINWRITABLEDIR }, 178 { "filedeliverytohardlink", DBS_FILEDELIVERYTOHARDLINK }, 179 { "filedeliverytosymlink", DBS_FILEDELIVERYTOSYMLINK }, 180 { "writemaptohardlink", DBS_WRITEMAPTOHARDLINK }, 181 { "writemaptosymlink", DBS_WRITEMAPTOSYMLINK }, 182 { "writestatstohardlink", DBS_WRITESTATSTOHARDLINK }, 183 { "writestatstosymlink", DBS_WRITESTATSTOSYMLINK }, 184 { "forwardfileingroupwritabledirpath", 185 DBS_FORWARDFILEINGROUPWRITABLEDIRPATH }, 186 { "includefileingroupwritabledirpath", 187 DBS_INCLUDEFILEINGROUPWRITABLEDIRPATH }, 188 { "classfileinunsafedirpath", DBS_CLASSFILEINUNSAFEDIRPATH }, 189 { "errorheaderinunsafedirpath", DBS_ERRORHEADERINUNSAFEDIRPATH }, 190 { "helpfileinunsafedirpath", DBS_HELPFILEINUNSAFEDIRPATH }, 191 { "forwardfileinunsafedirpathsafe", 192 DBS_FORWARDFILEINUNSAFEDIRPATHSAFE }, 193 { "includefileinunsafedirpathsafe", 194 DBS_INCLUDEFILEINUNSAFEDIRPATHSAFE }, 195 { "runprograminunsafedirpath", DBS_RUNPROGRAMINUNSAFEDIRPATH }, 196 { "runwritableprogram", DBS_RUNWRITABLEPROGRAM }, 197 { "nonrootsafeaddr", DBS_NONROOTSAFEADDR }, 198 { "truststickybit", DBS_TRUSTSTICKYBIT }, 199 { "dontwarnforwardfileinunsafedirpath", 200 DBS_DONTWARNFORWARDFILEINUNSAFEDIRPATH }, 201 { "insufficiententropy", DBS_INSUFFICIENTENTROPY }, 202 { "groupreadablesasldbfile", DBS_GROUPREADABLESASLDBFILE }, 203 { "groupwritablesasldbfile", DBS_GROUPWRITABLESASLDBFILE }, 204 { "groupwritableforwardfile", DBS_GROUPWRITABLEFORWARDFILE }, 205 { "groupwritableincludefile", DBS_GROUPWRITABLEINCLUDEFILE }, 206 { "worldwritableforwardfile", DBS_WORLDWRITABLEFORWARDFILE }, 207 { "worldwritableincludefile", DBS_WORLDWRITABLEINCLUDEFILE }, 208 { "groupreadablekeyfile", DBS_GROUPREADABLEKEYFILE }, 209 #if _FFR_GROUPREADABLEAUTHINFOFILE 210 { "groupreadableadefaultauthinfofile", 211 DBS_GROUPREADABLEAUTHINFOFILE }, 212 #endif /* _FFR_GROUPREADABLEAUTHINFOFILE */ 213 { NULL, 0 } 214 }; 215 216 /* 217 ** Miscellaneous stuff. 218 */ 219 220 int DtableSize = 50; /* max open files; reset in 4.2bsd */ 221 /* 222 ** SETDEFAULTS -- set default values 223 ** 224 ** Some of these must be initialized using direct code since they 225 ** depend on run-time values. So let's do all of them this way. 226 ** 227 ** Parameters: 228 ** e -- the default envelope. 229 ** 230 ** Returns: 231 ** none. 232 ** 233 ** Side Effects: 234 ** Initializes a bunch of global variables to their 235 ** default values. 236 */ 237 238 #define MINUTES * 60 239 #define HOURS * 60 MINUTES 240 #define DAYS * 24 HOURS 241 242 #ifndef MAXRULERECURSION 243 # define MAXRULERECURSION 50 /* max ruleset recursion depth */ 244 #endif /* ! MAXRULERECURSION */ 245 246 void 247 setdefaults(e) 248 register ENVELOPE *e; 249 { 250 int i; 251 int numprocs; 252 struct passwd *pw; 253 254 numprocs = get_num_procs_online(); 255 SpaceSub = ' '; /* option B */ 256 QueueLA = 8 * numprocs; /* option x */ 257 RefuseLA = 12 * numprocs; /* option X */ 258 WkRecipFact = 30000L; /* option y */ 259 WkClassFact = 1800L; /* option z */ 260 WkTimeFact = 90000L; /* option Z */ 261 QueueFactor = WkRecipFact * 20; /* option q */ 262 #if _FFR_QUARANTINE 263 QueueMode = QM_NORMAL; /* what queue items to act upon */ 264 #endif /* _FFR_QUARANTINE */ 265 FileMode = (RealUid != geteuid()) ? 0644 : 0600; 266 /* option F */ 267 QueueFileMode = (RealUid != geteuid()) ? 0644 : 0600; 268 /* option QueueFileMode */ 269 270 if (((pw = sm_getpwnam("mailnull")) != NULL && pw->pw_uid != 0) || 271 ((pw = sm_getpwnam("sendmail")) != NULL && pw->pw_uid != 0) || 272 ((pw = sm_getpwnam("daemon")) != NULL && pw->pw_uid != 0)) 273 { 274 DefUid = pw->pw_uid; /* option u */ 275 DefGid = pw->pw_gid; /* option g */ 276 DefUser = newstr(pw->pw_name); 277 } 278 else 279 { 280 DefUid = 1; /* option u */ 281 DefGid = 1; /* option g */ 282 setdefuser(); 283 } 284 TrustedUid = 0; 285 if (tTd(37, 4)) 286 sm_dprintf("setdefaults: DefUser=%s, DefUid=%d, DefGid=%d\n", 287 DefUser != NULL ? DefUser : "<1:1>", 288 (int) DefUid, (int) DefGid); 289 CheckpointInterval = 10; /* option C */ 290 MaxHopCount = 25; /* option h */ 291 set_delivery_mode(SM_FORK, e); /* option d */ 292 e->e_errormode = EM_PRINT; /* option e */ 293 e->e_qgrp = NOQGRP; 294 e->e_qdir = NOQDIR; 295 e->e_xfqgrp = NOQGRP; 296 e->e_xfqdir = NOQDIR; 297 e->e_ctime = curtime(); 298 SevenBitInput = false; /* option 7 */ 299 MaxMciCache = 1; /* option k */ 300 MciCacheTimeout = 5 MINUTES; /* option K */ 301 LogLevel = 9; /* option L */ 302 #if MILTER 303 MilterLogLevel = -1; 304 #endif /* MILTER */ 305 inittimeouts(NULL, false); /* option r */ 306 PrivacyFlags = PRIV_PUBLIC; /* option p */ 307 MeToo = true; /* option m */ 308 SendMIMEErrors = true; /* option f */ 309 SuperSafe = SAFE_REALLY; /* option s */ 310 clrbitmap(DontBlameSendmail); /* DontBlameSendmail option */ 311 #if MIME8TO7 312 MimeMode = MM_CVTMIME|MM_PASS8BIT; /* option 8 */ 313 #else /* MIME8TO7 */ 314 MimeMode = MM_PASS8BIT; 315 #endif /* MIME8TO7 */ 316 for (i = 0; i < MAXTOCLASS; i++) 317 { 318 TimeOuts.to_q_return[i] = 5 DAYS; /* option T */ 319 TimeOuts.to_q_warning[i] = 0; /* option T */ 320 } 321 ServiceSwitchFile = "/etc/mail/service.switch"; 322 ServiceCacheMaxAge = (time_t) 10; 323 HostsFile = _PATH_HOSTS; 324 PidFile = newstr(_PATH_SENDMAILPID); 325 MustQuoteChars = "@,;:\\()[].'"; 326 MciInfoTimeout = 30 MINUTES; 327 MaxRuleRecursion = MAXRULERECURSION; 328 MaxAliasRecursion = 10; 329 MaxMacroRecursion = 10; 330 ColonOkInAddr = true; 331 DontLockReadFiles = true; 332 DontProbeInterfaces = DPI_PROBEALL; 333 DoubleBounceAddr = "postmaster"; 334 MaxHeadersLength = MAXHDRSLEN; 335 MaxForwardEntries = 0; 336 FastSplit = 1; 337 #if SASL 338 AuthMechanisms = newstr(AUTH_MECHANISMS); 339 MaxSLBits = INT_MAX; 340 #endif /* SASL */ 341 #if STARTTLS 342 TLS_Srv_Opts = TLS_I_SRV; 343 #endif /* STARTTLS */ 344 #ifdef HESIOD_INIT 345 HesiodContext = NULL; 346 #endif /* HESIOD_INIT */ 347 #if NETINET6 348 /* Detect if IPv6 is available at run time */ 349 i = socket(AF_INET6, SOCK_STREAM, 0); 350 if (i >= 0) 351 { 352 InetMode = AF_INET6; 353 (void) close(i); 354 } 355 else 356 InetMode = AF_INET; 357 #else /* NETINET6 */ 358 InetMode = AF_INET; 359 #endif /* NETINET6 */ 360 ControlSocketName = NULL; 361 memset(&ConnectOnlyTo, '\0', sizeof ConnectOnlyTo); 362 DataFileBufferSize = 4096; 363 XscriptFileBufferSize = 4096; 364 for (i = 0; i < MAXRWSETS; i++) 365 RuleSetNames[i] = NULL; 366 #if MILTER 367 InputFilters[0] = NULL; 368 #endif /* MILTER */ 369 setupmaps(); 370 setupqueues(); 371 setupmailers(); 372 setupheaders(); 373 } 374 375 376 /* 377 ** SETDEFUSER -- set/reset DefUser using DefUid (for initgroups()) 378 */ 379 380 void 381 setdefuser() 382 { 383 struct passwd *defpwent; 384 static char defuserbuf[40]; 385 386 DefUser = defuserbuf; 387 defpwent = sm_getpwuid(DefUid); 388 (void) sm_strlcpy(defuserbuf, 389 (defpwent == NULL || defpwent->pw_name == NULL) 390 ? "nobody" : defpwent->pw_name, 391 sizeof defuserbuf); 392 if (tTd(37, 4)) 393 sm_dprintf("setdefuser: DefUid=%d, DefUser=%s\n", 394 (int) DefUid, DefUser); 395 } 396 /* 397 ** SETUPQUEUES -- initialize default queues 398 ** 399 ** The mqueue QUEUE structure gets filled in after readcf() but 400 ** we need something to point to now for the mailer setup, 401 ** which use "mqueue" as default queue. 402 */ 403 404 static void 405 setupqueues() 406 { 407 char buf[100]; 408 409 MaxRunnersPerQueue = 1; 410 (void) sm_strlcpy(buf, "mqueue, P=/var/spool/mqueue", sizeof buf); 411 makequeue(buf, false); 412 } 413 /* 414 ** SETUPMAILERS -- initialize default mailers 415 */ 416 417 static void 418 setupmailers() 419 { 420 char buf[100]; 421 422 (void) sm_strlcpy(buf, "prog, P=/bin/sh, F=lsouDq9, T=X-Unix/X-Unix/X-Unix, A=sh -c \201u", 423 sizeof buf); 424 makemailer(buf); 425 426 (void) sm_strlcpy(buf, "*file*, P=[FILE], F=lsDFMPEouq9, T=X-Unix/X-Unix/X-Unix, A=FILE \201u", 427 sizeof buf); 428 makemailer(buf); 429 430 (void) sm_strlcpy(buf, "*include*, P=/dev/null, F=su, A=INCLUDE \201u", 431 sizeof buf); 432 makemailer(buf); 433 initerrmailers(); 434 } 435 /* 436 ** SETUPMAPS -- set up map classes 437 */ 438 439 #define MAPDEF(name, ext, flags, parse, open, close, lookup, store) \ 440 { \ 441 extern bool parse __P((MAP *, char *)); \ 442 extern bool open __P((MAP *, int)); \ 443 extern void close __P((MAP *)); \ 444 extern char *lookup __P((MAP *, char *, char **, int *)); \ 445 extern void store __P((MAP *, char *, char *)); \ 446 s = stab(name, ST_MAPCLASS, ST_ENTER); \ 447 s->s_mapclass.map_cname = name; \ 448 s->s_mapclass.map_ext = ext; \ 449 s->s_mapclass.map_cflags = flags; \ 450 s->s_mapclass.map_parse = parse; \ 451 s->s_mapclass.map_open = open; \ 452 s->s_mapclass.map_close = close; \ 453 s->s_mapclass.map_lookup = lookup; \ 454 s->s_mapclass.map_store = store; \ 455 } 456 457 static void 458 setupmaps() 459 { 460 register STAB *s; 461 462 #if NEWDB 463 MAPDEF("hash", ".db", MCF_ALIASOK|MCF_REBUILDABLE, 464 map_parseargs, hash_map_open, db_map_close, 465 db_map_lookup, db_map_store); 466 467 MAPDEF("btree", ".db", MCF_ALIASOK|MCF_REBUILDABLE, 468 map_parseargs, bt_map_open, db_map_close, 469 db_map_lookup, db_map_store); 470 #endif /* NEWDB */ 471 472 #if NDBM 473 MAPDEF("dbm", ".dir", MCF_ALIASOK|MCF_REBUILDABLE, 474 map_parseargs, ndbm_map_open, ndbm_map_close, 475 ndbm_map_lookup, ndbm_map_store); 476 #endif /* NDBM */ 477 478 #if NIS 479 MAPDEF("nis", NULL, MCF_ALIASOK, 480 map_parseargs, nis_map_open, null_map_close, 481 nis_map_lookup, null_map_store); 482 #endif /* NIS */ 483 484 #if NISPLUS 485 MAPDEF("nisplus", NULL, MCF_ALIASOK, 486 map_parseargs, nisplus_map_open, null_map_close, 487 nisplus_map_lookup, null_map_store); 488 #endif /* NISPLUS */ 489 490 #if LDAPMAP 491 MAPDEF("ldap", NULL, MCF_ALIASOK|MCF_NOTPERSIST, 492 ldapmap_parseargs, ldapmap_open, ldapmap_close, 493 ldapmap_lookup, null_map_store); 494 #endif /* LDAPMAP */ 495 496 #if PH_MAP 497 MAPDEF("ph", NULL, MCF_NOTPERSIST, 498 ph_map_parseargs, ph_map_open, ph_map_close, 499 ph_map_lookup, null_map_store); 500 #endif /* PH_MAP */ 501 502 #if MAP_NSD 503 /* IRIX 6.5 nsd support */ 504 MAPDEF("nsd", NULL, MCF_ALIASOK, 505 map_parseargs, null_map_open, null_map_close, 506 nsd_map_lookup, null_map_store); 507 #endif /* MAP_NSD */ 508 509 #if HESIOD 510 MAPDEF("hesiod", NULL, MCF_ALIASOK|MCF_ALIASONLY, 511 map_parseargs, hes_map_open, hes_map_close, 512 hes_map_lookup, null_map_store); 513 #endif /* HESIOD */ 514 515 #if NETINFO 516 MAPDEF("netinfo", NULL, MCF_ALIASOK, 517 map_parseargs, ni_map_open, null_map_close, 518 ni_map_lookup, null_map_store); 519 #endif /* NETINFO */ 520 521 #if 0 522 MAPDEF("dns", NULL, 0, 523 dns_map_init, null_map_open, null_map_close, 524 dns_map_lookup, null_map_store); 525 #endif /* 0 */ 526 527 #if NAMED_BIND 528 # if DNSMAP 529 # if _FFR_DNSMAP_ALIASABLE 530 MAPDEF("dns", NULL, MCF_ALIASOK, 531 dns_map_parseargs, dns_map_open, null_map_close, 532 dns_map_lookup, null_map_store); 533 # else /* _FFR_DNSMAP_ALIASABLE */ 534 MAPDEF("dns", NULL, 0, 535 dns_map_parseargs, dns_map_open, null_map_close, 536 dns_map_lookup, null_map_store); 537 # endif /* _FFR_DNSMAP_ALIASABLE */ 538 # endif /* DNSMAP */ 539 #endif /* NAMED_BIND */ 540 541 #if NAMED_BIND 542 /* best MX DNS lookup */ 543 MAPDEF("bestmx", NULL, MCF_OPTFILE, 544 map_parseargs, null_map_open, null_map_close, 545 bestmx_map_lookup, null_map_store); 546 #endif /* NAMED_BIND */ 547 548 MAPDEF("host", NULL, 0, 549 host_map_init, null_map_open, null_map_close, 550 host_map_lookup, null_map_store); 551 552 MAPDEF("text", NULL, MCF_ALIASOK, 553 map_parseargs, text_map_open, null_map_close, 554 text_map_lookup, null_map_store); 555 556 MAPDEF("stab", NULL, MCF_ALIASOK|MCF_ALIASONLY, 557 map_parseargs, stab_map_open, null_map_close, 558 stab_map_lookup, stab_map_store); 559 560 MAPDEF("implicit", NULL, MCF_ALIASOK|MCF_ALIASONLY|MCF_REBUILDABLE, 561 map_parseargs, impl_map_open, impl_map_close, 562 impl_map_lookup, impl_map_store); 563 564 /* access to system passwd file */ 565 MAPDEF("user", NULL, MCF_OPTFILE, 566 map_parseargs, user_map_open, null_map_close, 567 user_map_lookup, null_map_store); 568 569 /* dequote map */ 570 MAPDEF("dequote", NULL, 0, 571 dequote_init, null_map_open, null_map_close, 572 dequote_map, null_map_store); 573 574 #if MAP_REGEX 575 MAPDEF("regex", NULL, 0, 576 regex_map_init, null_map_open, null_map_close, 577 regex_map_lookup, null_map_store); 578 #endif /* MAP_REGEX */ 579 580 #if USERDB 581 /* user database */ 582 MAPDEF("userdb", ".db", 0, 583 map_parseargs, null_map_open, null_map_close, 584 udb_map_lookup, null_map_store); 585 #endif /* USERDB */ 586 587 /* arbitrary programs */ 588 MAPDEF("program", NULL, MCF_ALIASOK, 589 map_parseargs, null_map_open, null_map_close, 590 prog_map_lookup, null_map_store); 591 592 /* sequenced maps */ 593 MAPDEF("sequence", NULL, MCF_ALIASOK, 594 seq_map_parse, null_map_open, null_map_close, 595 seq_map_lookup, seq_map_store); 596 597 /* switched interface to sequenced maps */ 598 MAPDEF("switch", NULL, MCF_ALIASOK, 599 map_parseargs, switch_map_open, null_map_close, 600 seq_map_lookup, seq_map_store); 601 602 /* null map lookup -- really for internal use only */ 603 MAPDEF("null", NULL, MCF_ALIASOK|MCF_OPTFILE, 604 map_parseargs, null_map_open, null_map_close, 605 null_map_lookup, null_map_store); 606 607 /* syslog map -- logs information to syslog */ 608 MAPDEF("syslog", NULL, 0, 609 syslog_map_parseargs, null_map_open, null_map_close, 610 syslog_map_lookup, null_map_store); 611 612 /* macro storage map -- rulesets can set macros */ 613 MAPDEF("macro", NULL, 0, 614 dequote_init, null_map_open, null_map_close, 615 macro_map_lookup, null_map_store); 616 617 /* arithmetic map -- add/subtract/compare */ 618 MAPDEF("arith", NULL, 0, 619 dequote_init, null_map_open, null_map_close, 620 arith_map_lookup, null_map_store); 621 622 if (tTd(38, 2)) 623 { 624 /* bogus map -- always return tempfail */ 625 MAPDEF("bogus", NULL, MCF_ALIASOK|MCF_OPTFILE, 626 map_parseargs, null_map_open, null_map_close, 627 bogus_map_lookup, null_map_store); 628 } 629 } 630 631 #undef MAPDEF 632 /* 633 ** INITHOSTMAPS -- initial host-dependent maps 634 ** 635 ** This should act as an interface to any local service switch 636 ** provided by the host operating system. 637 ** 638 ** Parameters: 639 ** none 640 ** 641 ** Returns: 642 ** none 643 ** 644 ** Side Effects: 645 ** Should define maps "host" and "users" as necessary 646 ** for this OS. If they are not defined, they will get 647 ** a default value later. It should check to make sure 648 ** they are not defined first, since it's possible that 649 ** the config file has provided an override. 650 */ 651 652 void 653 inithostmaps() 654 { 655 register int i; 656 int nmaps; 657 char *maptype[MAXMAPSTACK]; 658 short mapreturn[MAXMAPACTIONS]; 659 char buf[MAXLINE]; 660 661 /* 662 ** Set up default hosts maps. 663 */ 664 665 #if 0 666 nmaps = switch_map_find("hosts", maptype, mapreturn); 667 for (i = 0; i < nmaps; i++) 668 { 669 if (strcmp(maptype[i], "files") == 0 && 670 stab("hosts.files", ST_MAP, ST_FIND) == NULL) 671 { 672 (void) sm_strlcpy(buf, "hosts.files text -k 0 -v 1 /etc/hosts", 673 sizeof buf); 674 (void) makemapentry(buf); 675 } 676 # if NAMED_BIND 677 else if (strcmp(maptype[i], "dns") == 0 && 678 stab("hosts.dns", ST_MAP, ST_FIND) == NULL) 679 { 680 (void) sm_strlcpy(buf, "hosts.dns dns A", sizeof buf); 681 (void) makemapentry(buf); 682 } 683 # endif /* NAMED_BIND */ 684 # if NISPLUS 685 else if (strcmp(maptype[i], "nisplus") == 0 && 686 stab("hosts.nisplus", ST_MAP, ST_FIND) == NULL) 687 { 688 (void) sm_strlcpy(buf, "hosts.nisplus nisplus -k name -v address hosts.org_dir", 689 sizeof buf); 690 (void) makemapentry(buf); 691 } 692 # endif /* NISPLUS */ 693 # if NIS 694 else if (strcmp(maptype[i], "nis") == 0 && 695 stab("hosts.nis", ST_MAP, ST_FIND) == NULL) 696 { 697 (void) sm_strlcpy(buf, "hosts.nis nis -k 0 -v 1 hosts.byname", 698 sizeof buf); 699 (void) makemapentry(buf); 700 } 701 # endif /* NIS */ 702 # if NETINFO 703 else if (strcmp(maptype[i], "netinfo") == 0 && 704 stab("hosts.netinfo", ST_MAP, ST_FIND) == NULL) 705 { 706 (void) sm_strlcpy(buf, "hosts.netinfo netinfo -v name /machines", 707 sizeof buf); 708 (void) makemapentry(buf); 709 } 710 # endif /* NETINFO */ 711 } 712 #endif /* 0 */ 713 714 /* 715 ** Make sure we have a host map. 716 */ 717 718 if (stab("host", ST_MAP, ST_FIND) == NULL) 719 { 720 /* user didn't initialize: set up host map */ 721 (void) sm_strlcpy(buf, "host host", sizeof buf); 722 #if NAMED_BIND 723 if (ConfigLevel >= 2) 724 (void) sm_strlcat(buf, " -a. -D", sizeof buf); 725 #endif /* NAMED_BIND */ 726 (void) makemapentry(buf); 727 } 728 729 /* 730 ** Set up default aliases maps 731 */ 732 733 nmaps = switch_map_find("aliases", maptype, mapreturn); 734 for (i = 0; i < nmaps; i++) 735 { 736 if (strcmp(maptype[i], "files") == 0 && 737 stab("aliases.files", ST_MAP, ST_FIND) == NULL) 738 { 739 (void) sm_strlcpy(buf, "aliases.files null", 740 sizeof buf); 741 (void) makemapentry(buf); 742 } 743 #if NISPLUS 744 else if (strcmp(maptype[i], "nisplus") == 0 && 745 stab("aliases.nisplus", ST_MAP, ST_FIND) == NULL) 746 { 747 (void) sm_strlcpy(buf, "aliases.nisplus nisplus -kalias -vexpansion mail_aliases.org_dir", 748 sizeof buf); 749 (void) makemapentry(buf); 750 } 751 #endif /* NISPLUS */ 752 #if NIS 753 else if (strcmp(maptype[i], "nis") == 0 && 754 stab("aliases.nis", ST_MAP, ST_FIND) == NULL) 755 { 756 (void) sm_strlcpy(buf, "aliases.nis nis mail.aliases", 757 sizeof buf); 758 (void) makemapentry(buf); 759 } 760 #endif /* NIS */ 761 #if NETINFO 762 else if (strcmp(maptype[i], "netinfo") == 0 && 763 stab("aliases.netinfo", ST_MAP, ST_FIND) == NULL) 764 { 765 (void) sm_strlcpy(buf, "aliases.netinfo netinfo -z, /aliases", 766 sizeof buf); 767 (void) makemapentry(buf); 768 } 769 #endif /* NETINFO */ 770 #if HESIOD 771 else if (strcmp(maptype[i], "hesiod") == 0 && 772 stab("aliases.hesiod", ST_MAP, ST_FIND) == NULL) 773 { 774 (void) sm_strlcpy(buf, "aliases.hesiod hesiod aliases", 775 sizeof buf); 776 (void) makemapentry(buf); 777 } 778 #endif /* HESIOD */ 779 } 780 if (stab("aliases", ST_MAP, ST_FIND) == NULL) 781 { 782 (void) sm_strlcpy(buf, "aliases switch aliases", sizeof buf); 783 (void) makemapentry(buf); 784 } 785 786 #if 0 /* "user" map class is a better choice */ 787 /* 788 ** Set up default users maps. 789 */ 790 791 nmaps = switch_map_find("passwd", maptype, mapreturn); 792 for (i = 0; i < nmaps; i++) 793 { 794 if (strcmp(maptype[i], "files") == 0 && 795 stab("users.files", ST_MAP, ST_FIND) == NULL) 796 { 797 (void) sm_strlcpy(buf, "users.files text -m -z: -k0 -v6 /etc/passwd", 798 sizeof buf); 799 (void) makemapentry(buf); 800 } 801 # if NISPLUS 802 else if (strcmp(maptype[i], "nisplus") == 0 && 803 stab("users.nisplus", ST_MAP, ST_FIND) == NULL) 804 { 805 (void) sm_strlcpy(buf, "users.nisplus nisplus -m -kname -vhome passwd.org_dir", 806 sizeof buf); 807 (void) makemapentry(buf); 808 } 809 # endif /* NISPLUS */ 810 # if NIS 811 else if (strcmp(maptype[i], "nis") == 0 && 812 stab("users.nis", ST_MAP, ST_FIND) == NULL) 813 { 814 (void) sm_strlcpy(buf, "users.nis nis -m passwd.byname", 815 sizeof buf); 816 (void) makemapentry(buf); 817 } 818 # endif /* NIS */ 819 # if HESIOD 820 else if (strcmp(maptype[i], "hesiod") == 0 && 821 stab("users.hesiod", ST_MAP, ST_FIND) == NULL) 822 { 823 (void) sm_strlcpy(buf, "users.hesiod hesiod", sizeof buf); 824 (void) makemapentry(buf); 825 } 826 # endif /* HESIOD */ 827 } 828 if (stab("users", ST_MAP, ST_FIND) == NULL) 829 { 830 (void) sm_strlcpy(buf, "users switch -m passwd", sizeof buf); 831 (void) makemapentry(buf); 832 } 833 #endif /* 0 */ 834 } 835 /* 836 ** SWITCH_MAP_FIND -- find the list of types associated with a map 837 ** 838 ** This is the system-dependent interface to the service switch. 839 ** 840 ** Parameters: 841 ** service -- the name of the service of interest. 842 ** maptype -- an out-array of strings containing the types 843 ** of access to use for this service. There can 844 ** be at most MAXMAPSTACK types for a single service. 845 ** mapreturn -- an out-array of return information bitmaps 846 ** for the map. 847 ** 848 ** Returns: 849 ** The number of map types filled in, or -1 for failure. 850 ** 851 ** Side effects: 852 ** Preserves errno so nothing in the routine clobbers it. 853 */ 854 855 #if defined(SOLARIS) || (defined(sony_news) && defined(__svr4)) 856 # define _USE_SUN_NSSWITCH_ 857 #endif /* defined(SOLARIS) || (defined(sony_news) && defined(__svr4)) */ 858 859 #if _FFR_HPUX_NSSWITCH 860 # ifdef __hpux 861 # define _USE_SUN_NSSWITCH_ 862 # endif /* __hpux */ 863 #endif /* _FFR_HPUX_NSSWITCH */ 864 865 #ifdef _USE_SUN_NSSWITCH_ 866 # include <nsswitch.h> 867 #endif /* _USE_SUN_NSSWITCH_ */ 868 869 #if defined(ultrix) || (defined(__osf__) && defined(__alpha)) 870 # define _USE_DEC_SVC_CONF_ 871 #endif /* defined(ultrix) || (defined(__osf__) && defined(__alpha)) */ 872 873 #ifdef _USE_DEC_SVC_CONF_ 874 # include <sys/svcinfo.h> 875 #endif /* _USE_DEC_SVC_CONF_ */ 876 877 int 878 switch_map_find(service, maptype, mapreturn) 879 char *service; 880 char *maptype[MAXMAPSTACK]; 881 short mapreturn[MAXMAPACTIONS]; 882 { 883 int svcno = 0; 884 int save_errno = errno; 885 886 #ifdef _USE_SUN_NSSWITCH_ 887 struct __nsw_switchconfig *nsw_conf; 888 enum __nsw_parse_err pserr; 889 struct __nsw_lookup *lk; 890 static struct __nsw_lookup lkp0 = 891 { "files", {1, 0, 0, 0}, NULL, NULL }; 892 static struct __nsw_switchconfig lkp_default = 893 { 0, "sendmail", 3, &lkp0 }; 894 895 for (svcno = 0; svcno < MAXMAPACTIONS; svcno++) 896 mapreturn[svcno] = 0; 897 898 if ((nsw_conf = __nsw_getconfig(service, &pserr)) == NULL) 899 lk = lkp_default.lookups; 900 else 901 lk = nsw_conf->lookups; 902 svcno = 0; 903 while (lk != NULL && svcno < MAXMAPSTACK) 904 { 905 maptype[svcno] = lk->service_name; 906 if (lk->actions[__NSW_NOTFOUND] == __NSW_RETURN) 907 mapreturn[MA_NOTFOUND] |= 1 << svcno; 908 if (lk->actions[__NSW_TRYAGAIN] == __NSW_RETURN) 909 mapreturn[MA_TRYAGAIN] |= 1 << svcno; 910 if (lk->actions[__NSW_UNAVAIL] == __NSW_RETURN) 911 mapreturn[MA_TRYAGAIN] |= 1 << svcno; 912 svcno++; 913 lk = lk->next; 914 } 915 errno = save_errno; 916 return svcno; 917 #endif /* _USE_SUN_NSSWITCH_ */ 918 919 #ifdef _USE_DEC_SVC_CONF_ 920 struct svcinfo *svcinfo; 921 int svc; 922 923 for (svcno = 0; svcno < MAXMAPACTIONS; svcno++) 924 mapreturn[svcno] = 0; 925 926 svcinfo = getsvc(); 927 if (svcinfo == NULL) 928 goto punt; 929 if (strcmp(service, "hosts") == 0) 930 svc = SVC_HOSTS; 931 else if (strcmp(service, "aliases") == 0) 932 svc = SVC_ALIASES; 933 else if (strcmp(service, "passwd") == 0) 934 svc = SVC_PASSWD; 935 else 936 { 937 errno = save_errno; 938 return -1; 939 } 940 for (svcno = 0; svcno < SVC_PATHSIZE && svcno < MAXMAPSTACK; svcno++) 941 { 942 switch (svcinfo->svcpath[svc][svcno]) 943 { 944 case SVC_LOCAL: 945 maptype[svcno] = "files"; 946 break; 947 948 case SVC_YP: 949 maptype[svcno] = "nis"; 950 break; 951 952 case SVC_BIND: 953 maptype[svcno] = "dns"; 954 break; 955 956 # ifdef SVC_HESIOD 957 case SVC_HESIOD: 958 maptype[svcno] = "hesiod"; 959 break; 960 # endif /* SVC_HESIOD */ 961 962 case SVC_LAST: 963 errno = save_errno; 964 return svcno; 965 } 966 } 967 errno = save_errno; 968 return svcno; 969 #endif /* _USE_DEC_SVC_CONF_ */ 970 971 #if !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) 972 /* 973 ** Fall-back mechanism. 974 */ 975 976 STAB *st; 977 static time_t servicecachetime; /* time service switch was cached */ 978 time_t now = curtime(); 979 980 for (svcno = 0; svcno < MAXMAPACTIONS; svcno++) 981 mapreturn[svcno] = 0; 982 983 if ((now - servicecachetime) > (time_t) ServiceCacheMaxAge) 984 { 985 /* (re)read service switch */ 986 register SM_FILE_T *fp; 987 long sff = SFF_REGONLY|SFF_OPENASROOT|SFF_NOLOCK; 988 989 if (!bitnset(DBS_LINKEDSERVICESWITCHFILEINWRITABLEDIR, 990 DontBlameSendmail)) 991 sff |= SFF_NOWLINK; 992 993 if (ConfigFileRead) 994 servicecachetime = now; 995 fp = safefopen(ServiceSwitchFile, O_RDONLY, 0, sff); 996 if (fp != NULL) 997 { 998 char buf[MAXLINE]; 999 1000 while (sm_io_fgets(fp, SM_TIME_DEFAULT, buf, 1001 sizeof buf) != NULL) 1002 { 1003 register char *p; 1004 1005 p = strpbrk(buf, "#\n"); 1006 if (p != NULL) 1007 *p = '\0'; 1008 p = strpbrk(buf, " \t"); 1009 if (p != NULL) 1010 *p++ = '\0'; 1011 if (buf[0] == '\0') 1012 continue; 1013 if (p == NULL) 1014 { 1015 sm_syslog(LOG_ERR, NOQID, 1016 "Bad line on %.100s: %.100s", 1017 ServiceSwitchFile, 1018 buf); 1019 continue; 1020 } 1021 while (isspace(*p)) 1022 p++; 1023 if (*p == '\0') 1024 continue; 1025 1026 /* 1027 ** Find/allocate space for this service entry. 1028 ** Space for all of the service strings 1029 ** are allocated at once. This means 1030 ** that we only have to free the first 1031 ** one to free all of them. 1032 */ 1033 1034 st = stab(buf, ST_SERVICE, ST_ENTER); 1035 if (st->s_service[0] != NULL) 1036 sm_free((void *) st->s_service[0]); /* XXX */ 1037 p = newstr(p); 1038 for (svcno = 0; svcno < MAXMAPSTACK; ) 1039 { 1040 if (*p == '\0') 1041 break; 1042 st->s_service[svcno++] = p; 1043 p = strpbrk(p, " \t"); 1044 if (p == NULL) 1045 break; 1046 *p++ = '\0'; 1047 while (isspace(*p)) 1048 p++; 1049 } 1050 if (svcno < MAXMAPSTACK) 1051 st->s_service[svcno] = NULL; 1052 } 1053 (void) sm_io_close(fp, SM_TIME_DEFAULT); 1054 } 1055 } 1056 1057 /* look up entry in cache */ 1058 st = stab(service, ST_SERVICE, ST_FIND); 1059 if (st != NULL && st->s_service[0] != NULL) 1060 { 1061 /* extract data */ 1062 svcno = 0; 1063 while (svcno < MAXMAPSTACK) 1064 { 1065 maptype[svcno] = st->s_service[svcno]; 1066 if (maptype[svcno++] == NULL) 1067 break; 1068 } 1069 errno = save_errno; 1070 return --svcno; 1071 } 1072 #endif /* !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) */ 1073 1074 #if !defined(_USE_SUN_NSSWITCH_) 1075 /* if the service file doesn't work, use an absolute fallback */ 1076 # ifdef _USE_DEC_SVC_CONF_ 1077 punt: 1078 # endif /* _USE_DEC_SVC_CONF_ */ 1079 for (svcno = 0; svcno < MAXMAPACTIONS; svcno++) 1080 mapreturn[svcno] = 0; 1081 svcno = 0; 1082 if (strcmp(service, "aliases") == 0) 1083 { 1084 maptype[svcno++] = "files"; 1085 # if defined(AUTO_NETINFO_ALIASES) && defined (NETINFO) 1086 maptype[svcno++] = "netinfo"; 1087 # endif /* defined(AUTO_NETINFO_ALIASES) && defined (NETINFO) */ 1088 # ifdef AUTO_NIS_ALIASES 1089 # if NISPLUS 1090 maptype[svcno++] = "nisplus"; 1091 # endif /* NISPLUS */ 1092 # if NIS 1093 maptype[svcno++] = "nis"; 1094 # endif /* NIS */ 1095 # endif /* AUTO_NIS_ALIASES */ 1096 errno = save_errno; 1097 return svcno; 1098 } 1099 if (strcmp(service, "hosts") == 0) 1100 { 1101 # if NAMED_BIND 1102 maptype[svcno++] = "dns"; 1103 # else /* NAMED_BIND */ 1104 # if defined(sun) && !defined(BSD) 1105 /* SunOS */ 1106 maptype[svcno++] = "nis"; 1107 # endif /* defined(sun) && !defined(BSD) */ 1108 # endif /* NAMED_BIND */ 1109 # if defined(AUTO_NETINFO_HOSTS) && defined (NETINFO) 1110 maptype[svcno++] = "netinfo"; 1111 # endif /* defined(AUTO_NETINFO_HOSTS) && defined (NETINFO) */ 1112 maptype[svcno++] = "files"; 1113 errno = save_errno; 1114 return svcno; 1115 } 1116 errno = save_errno; 1117 return -1; 1118 #endif /* !defined(_USE_SUN_NSSWITCH_) */ 1119 } 1120 /* 1121 ** USERNAME -- return the user id of the logged in user. 1122 ** 1123 ** Parameters: 1124 ** none. 1125 ** 1126 ** Returns: 1127 ** The login name of the logged in user. 1128 ** 1129 ** Side Effects: 1130 ** none. 1131 ** 1132 ** Notes: 1133 ** The return value is statically allocated. 1134 */ 1135 1136 char * 1137 username() 1138 { 1139 static char *myname = NULL; 1140 extern char *getlogin(); 1141 register struct passwd *pw; 1142 1143 /* cache the result */ 1144 if (myname == NULL) 1145 { 1146 myname = getlogin(); 1147 if (myname == NULL || myname[0] == '\0') 1148 { 1149 pw = sm_getpwuid(RealUid); 1150 if (pw != NULL) 1151 myname = pw->pw_name; 1152 } 1153 else 1154 { 1155 uid_t uid = RealUid; 1156 1157 if ((pw = sm_getpwnam(myname)) == NULL || 1158 (uid != 0 && uid != pw->pw_uid)) 1159 { 1160 pw = sm_getpwuid(uid); 1161 if (pw != NULL) 1162 myname = pw->pw_name; 1163 } 1164 } 1165 if (myname == NULL || myname[0] == '\0') 1166 { 1167 syserr("554 5.3.0 Who are you?"); 1168 myname = "postmaster"; 1169 } 1170 else if (strpbrk(myname, ",;:/|\"\\") != NULL) 1171 myname = addquotes(myname, NULL); 1172 else 1173 myname = sm_pstrdup_x(myname); 1174 } 1175 return myname; 1176 } 1177 /* 1178 ** TTYPATH -- Get the path of the user's tty 1179 ** 1180 ** Returns the pathname of the user's tty. Returns NULL if 1181 ** the user is not logged in or if s/he has write permission 1182 ** denied. 1183 ** 1184 ** Parameters: 1185 ** none 1186 ** 1187 ** Returns: 1188 ** pathname of the user's tty. 1189 ** NULL if not logged in or write permission denied. 1190 ** 1191 ** Side Effects: 1192 ** none. 1193 ** 1194 ** WARNING: 1195 ** Return value is in a local buffer. 1196 ** 1197 ** Called By: 1198 ** savemail 1199 */ 1200 1201 char * 1202 ttypath() 1203 { 1204 struct stat stbuf; 1205 register char *pathn; 1206 extern char *ttyname(); 1207 extern char *getlogin(); 1208 1209 /* compute the pathname of the controlling tty */ 1210 if ((pathn = ttyname(2)) == NULL && (pathn = ttyname(1)) == NULL && 1211 (pathn = ttyname(0)) == NULL) 1212 { 1213 errno = 0; 1214 return NULL; 1215 } 1216 1217 /* see if we have write permission */ 1218 if (stat(pathn, &stbuf) < 0 || !bitset(S_IWOTH, stbuf.st_mode)) 1219 { 1220 errno = 0; 1221 return NULL; 1222 } 1223 1224 /* see if the user is logged in */ 1225 if (getlogin() == NULL) 1226 return NULL; 1227 1228 /* looks good */ 1229 return pathn; 1230 } 1231 /* 1232 ** CHECKCOMPAT -- check for From and To person compatible. 1233 ** 1234 ** This routine can be supplied on a per-installation basis 1235 ** to determine whether a person is allowed to send a message. 1236 ** This allows restriction of certain types of internet 1237 ** forwarding or registration of users. 1238 ** 1239 ** If the hosts are found to be incompatible, an error 1240 ** message should be given using "usrerr" and an EX_ code 1241 ** should be returned. You can also set to->q_status to 1242 ** a DSN-style status code. 1243 ** 1244 ** EF_NO_BODY_RETN can be set in e->e_flags to suppress the 1245 ** body during the return-to-sender function; this should be done 1246 ** on huge messages. This bit may already be set by the ESMTP 1247 ** protocol. 1248 ** 1249 ** Parameters: 1250 ** to -- the person being sent to. 1251 ** 1252 ** Returns: 1253 ** an exit status 1254 ** 1255 ** Side Effects: 1256 ** none (unless you include the usrerr stuff) 1257 */ 1258 1259 int 1260 checkcompat(to, e) 1261 register ADDRESS *to; 1262 register ENVELOPE *e; 1263 { 1264 if (tTd(49, 1)) 1265 sm_dprintf("checkcompat(to=%s, from=%s)\n", 1266 to->q_paddr, e->e_from.q_paddr); 1267 1268 #ifdef EXAMPLE_CODE 1269 /* this code is intended as an example only */ 1270 register STAB *s; 1271 1272 s = stab("arpa", ST_MAILER, ST_FIND); 1273 if (s != NULL && strcmp(e->e_from.q_mailer->m_name, "local") != 0 && 1274 to->q_mailer == s->s_mailer) 1275 { 1276 usrerr("553 No ARPA mail through this machine: see your system administration"); 1277 /* e->e_flags |= EF_NO_BODY_RETN; to suppress body on return */ 1278 to->q_status = "5.7.1"; 1279 return EX_UNAVAILABLE; 1280 } 1281 #endif /* EXAMPLE_CODE */ 1282 return EX_OK; 1283 } 1284 /* 1285 ** INIT_MD -- do machine dependent initializations 1286 ** 1287 ** Systems that have global modes that should be set should do 1288 ** them here rather than in main. 1289 */ 1290 1291 #ifdef _AUX_SOURCE 1292 # include <compat.h> 1293 #endif /* _AUX_SOURCE */ 1294 1295 #if SHARE_V1 1296 # include <shares.h> 1297 #endif /* SHARE_V1 */ 1298 1299 void 1300 init_md(argc, argv) 1301 int argc; 1302 char **argv; 1303 { 1304 #ifdef _AUX_SOURCE 1305 setcompat(getcompat() | COMPAT_BSDPROT); 1306 #endif /* _AUX_SOURCE */ 1307 1308 #ifdef SUN_EXTENSIONS 1309 init_md_sun(); 1310 #endif /* SUN_EXTENSIONS */ 1311 1312 #if _CONVEX_SOURCE 1313 /* keep gethostby*() from stripping the local domain name */ 1314 set_domain_trim_off(); 1315 #endif /* _CONVEX_SOURCE */ 1316 #ifdef __QNX__ 1317 /* 1318 ** Due to QNX's network distributed nature, you can target a tcpip 1319 ** stack on a different node in the qnx network; this patch lets 1320 ** this feature work. The __sock_locate() must be done before the 1321 ** environment is clear. 1322 */ 1323 __sock_locate(); 1324 #endif /* __QNX__ */ 1325 #if SECUREWARE || defined(_SCO_unix_) 1326 set_auth_parameters(argc, argv); 1327 1328 # ifdef _SCO_unix_ 1329 /* 1330 ** This is required for highest security levels (the kernel 1331 ** won't let it call set*uid() or run setuid binaries without 1332 ** it). It may be necessary on other SECUREWARE systems. 1333 */ 1334 1335 if (getluid() == -1) 1336 setluid(0); 1337 # endif /* _SCO_unix_ */ 1338 #endif /* SECUREWARE || defined(_SCO_unix_) */ 1339 1340 1341 #ifdef VENDOR_DEFAULT 1342 VendorCode = VENDOR_DEFAULT; 1343 #else /* VENDOR_DEFAULT */ 1344 VendorCode = VENDOR_BERKELEY; 1345 #endif /* VENDOR_DEFAULT */ 1346 } 1347 /* 1348 ** INIT_VENDOR_MACROS -- vendor-dependent macro initializations 1349 ** 1350 ** Called once, on startup. 1351 ** 1352 ** Parameters: 1353 ** e -- the global envelope. 1354 ** 1355 ** Returns: 1356 ** none. 1357 ** 1358 ** Side Effects: 1359 ** vendor-dependent. 1360 */ 1361 1362 void 1363 init_vendor_macros(e) 1364 register ENVELOPE *e; 1365 { 1366 } 1367 /* 1368 ** GETLA -- get the current load average 1369 ** 1370 ** This code stolen from la.c. 1371 ** 1372 ** Parameters: 1373 ** none. 1374 ** 1375 ** Returns: 1376 ** The current load average as an integer. 1377 ** 1378 ** Side Effects: 1379 ** none. 1380 */ 1381 1382 /* try to guess what style of load average we have */ 1383 #define LA_ZERO 1 /* always return load average as zero */ 1384 #define LA_INT 2 /* read kmem for avenrun; interpret as long */ 1385 #define LA_FLOAT 3 /* read kmem for avenrun; interpret as float */ 1386 #define LA_SUBR 4 /* call getloadavg */ 1387 #define LA_MACH 5 /* MACH load averages (as on NeXT boxes) */ 1388 #define LA_SHORT 6 /* read kmem for avenrun; interpret as short */ 1389 #define LA_PROCSTR 7 /* read string ("1.17") from /proc/loadavg */ 1390 #define LA_READKSYM 8 /* SVR4: use MIOC_READKSYM ioctl call */ 1391 #define LA_DGUX 9 /* special DGUX implementation */ 1392 #define LA_HPUX 10 /* special HPUX implementation */ 1393 #define LA_IRIX6 11 /* special IRIX 6.2 implementation */ 1394 #define LA_KSTAT 12 /* special Solaris kstat(3k) implementation */ 1395 #define LA_DEVSHORT 13 /* read short from a device */ 1396 #define LA_ALPHAOSF 14 /* Digital UNIX (OSF/1 on Alpha) table() call */ 1397 #define LA_PSET 15 /* Solaris per-processor-set load average */ 1398 1399 /* do guesses based on general OS type */ 1400 #ifndef LA_TYPE 1401 # define LA_TYPE LA_ZERO 1402 #endif /* ! LA_TYPE */ 1403 1404 #ifndef FSHIFT 1405 # if defined(unixpc) 1406 # define FSHIFT 5 1407 # endif /* defined(unixpc) */ 1408 1409 # if defined(__alpha) || defined(IRIX) 1410 # define FSHIFT 10 1411 # endif /* defined(__alpha) || defined(IRIX) */ 1412 1413 #endif /* ! FSHIFT */ 1414 1415 #ifndef FSHIFT 1416 # define FSHIFT 8 1417 #endif /* ! FSHIFT */ 1418 1419 #ifndef FSCALE 1420 # define FSCALE (1 << FSHIFT) 1421 #endif /* ! FSCALE */ 1422 1423 #ifndef LA_AVENRUN 1424 # ifdef SYSTEM5 1425 # define LA_AVENRUN "avenrun" 1426 # else /* SYSTEM5 */ 1427 # define LA_AVENRUN "_avenrun" 1428 # endif /* SYSTEM5 */ 1429 #endif /* ! LA_AVENRUN */ 1430 1431 /* _PATH_KMEM should be defined in <paths.h> */ 1432 #ifndef _PATH_KMEM 1433 # define _PATH_KMEM "/dev/kmem" 1434 #endif /* ! _PATH_KMEM */ 1435 1436 #if (LA_TYPE == LA_INT) || (LA_TYPE == LA_FLOAT) || (LA_TYPE == LA_SHORT) 1437 1438 # include <nlist.h> 1439 1440 /* _PATH_UNIX should be defined in <paths.h> */ 1441 # ifndef _PATH_UNIX 1442 # if defined(SYSTEM5) 1443 # define _PATH_UNIX "/unix" 1444 # else /* defined(SYSTEM5) */ 1445 # define _PATH_UNIX "/vmunix" 1446 # endif /* defined(SYSTEM5) */ 1447 # endif /* ! _PATH_UNIX */ 1448 1449 # ifdef _AUX_SOURCE 1450 struct nlist Nl[2]; 1451 # else /* _AUX_SOURCE */ 1452 struct nlist Nl[] = 1453 { 1454 { LA_AVENRUN }, 1455 { 0 }, 1456 }; 1457 # endif /* _AUX_SOURCE */ 1458 # define X_AVENRUN 0 1459 1460 int 1461 getla() 1462 { 1463 int j; 1464 static int kmem = -1; 1465 # if LA_TYPE == LA_INT 1466 long avenrun[3]; 1467 # else /* LA_TYPE == LA_INT */ 1468 # if LA_TYPE == LA_SHORT 1469 short avenrun[3]; 1470 # else /* LA_TYPE == LA_SHORT */ 1471 double avenrun[3]; 1472 # endif /* LA_TYPE == LA_SHORT */ 1473 # endif /* LA_TYPE == LA_INT */ 1474 extern int errno; 1475 extern off_t lseek(); 1476 1477 if (kmem < 0) 1478 { 1479 # ifdef _AUX_SOURCE 1480 (void) sm_strlcpy(Nl[X_AVENRUN].n_name, LA_AVENRUN, 1481 sizeof Nl[X_AVENRUN].n_name); 1482 Nl[1].n_name[0] = '\0'; 1483 # endif /* _AUX_SOURCE */ 1484 1485 # if defined(_AIX3) || defined(_AIX4) 1486 if (knlist(Nl, 1, sizeof Nl[0]) < 0) 1487 # else /* defined(_AIX3) || defined(_AIX4) */ 1488 if (nlist(_PATH_UNIX, Nl) < 0) 1489 # endif /* defined(_AIX3) || defined(_AIX4) */ 1490 { 1491 if (tTd(3, 1)) 1492 sm_dprintf("getla: nlist(%s): %s\n", _PATH_UNIX, 1493 sm_errstring(errno)); 1494 return -1; 1495 } 1496 if (Nl[X_AVENRUN].n_value == 0) 1497 { 1498 if (tTd(3, 1)) 1499 sm_dprintf("getla: nlist(%s, %s) ==> 0\n", 1500 _PATH_UNIX, LA_AVENRUN); 1501 return -1; 1502 } 1503 # ifdef NAMELISTMASK 1504 Nl[X_AVENRUN].n_value &= NAMELISTMASK; 1505 # endif /* NAMELISTMASK */ 1506 1507 kmem = open(_PATH_KMEM, 0, 0); 1508 if (kmem < 0) 1509 { 1510 if (tTd(3, 1)) 1511 sm_dprintf("getla: open(/dev/kmem): %s\n", 1512 sm_errstring(errno)); 1513 return -1; 1514 } 1515 if ((j = fcntl(kmem, F_GETFD, 0)) < 0 || 1516 fcntl(kmem, F_SETFD, j | FD_CLOEXEC) < 0) 1517 { 1518 if (tTd(3, 1)) 1519 sm_dprintf("getla: fcntl(/dev/kmem, FD_CLOEXEC): %s\n", 1520 sm_errstring(errno)); 1521 (void) close(kmem); 1522 kmem = -1; 1523 return -1; 1524 } 1525 } 1526 if (tTd(3, 20)) 1527 sm_dprintf("getla: symbol address = %#lx\n", 1528 (unsigned long) Nl[X_AVENRUN].n_value); 1529 if (lseek(kmem, (off_t) Nl[X_AVENRUN].n_value, SEEK_SET) == -1 || 1530 read(kmem, (char *) avenrun, sizeof(avenrun)) < sizeof(avenrun)) 1531 { 1532 /* thank you Ian */ 1533 if (tTd(3, 1)) 1534 sm_dprintf("getla: lseek or read: %s\n", 1535 sm_errstring(errno)); 1536 return -1; 1537 } 1538 # if (LA_TYPE == LA_INT) || (LA_TYPE == LA_SHORT) 1539 if (tTd(3, 5)) 1540 { 1541 # if LA_TYPE == LA_SHORT 1542 sm_dprintf("getla: avenrun = %d", avenrun[0]); 1543 if (tTd(3, 15)) 1544 sm_dprintf(", %d, %d", avenrun[1], avenrun[2]); 1545 # else /* LA_TYPE == LA_SHORT */ 1546 sm_dprintf("getla: avenrun = %ld", avenrun[0]); 1547 if (tTd(3, 15)) 1548 sm_dprintf(", %ld, %ld", avenrun[1], avenrun[2]); 1549 # endif /* LA_TYPE == LA_SHORT */ 1550 sm_dprintf("\n"); 1551 } 1552 if (tTd(3, 1)) 1553 sm_dprintf("getla: %d\n", 1554 (int) (avenrun[0] + FSCALE/2) >> FSHIFT); 1555 return ((int) (avenrun[0] + FSCALE/2) >> FSHIFT); 1556 # else /* (LA_TYPE == LA_INT) || (LA_TYPE == LA_SHORT) */ 1557 if (tTd(3, 5)) 1558 { 1559 sm_dprintf("getla: avenrun = %g", avenrun[0]); 1560 if (tTd(3, 15)) 1561 sm_dprintf(", %g, %g", avenrun[1], avenrun[2]); 1562 sm_dprintf("\n"); 1563 } 1564 if (tTd(3, 1)) 1565 sm_dprintf("getla: %d\n", (int) (avenrun[0] +0.5)); 1566 return ((int) (avenrun[0] + 0.5)); 1567 # endif /* (LA_TYPE == LA_INT) || (LA_TYPE == LA_SHORT) */ 1568 } 1569 1570 #endif /* (LA_TYPE == LA_INT) || (LA_TYPE == LA_FLOAT) || (LA_TYPE == LA_SHORT) */ 1571 1572 #if LA_TYPE == LA_READKSYM 1573 1574 # include <sys/ksym.h> 1575 1576 int 1577 getla() 1578 { 1579 int j; 1580 static int kmem = -1; 1581 long avenrun[3]; 1582 extern int errno; 1583 struct mioc_rksym mirk; 1584 1585 if (kmem < 0) 1586 { 1587 kmem = open("/dev/kmem", 0, 0); 1588 if (kmem < 0) 1589 { 1590 if (tTd(3, 1)) 1591 sm_dprintf("getla: open(/dev/kmem): %s\n", 1592 sm_errstring(errno)); 1593 return -1; 1594 } 1595 if ((j = fcntl(kmem, F_GETFD, 0)) < 0 || 1596 fcntl(kmem, F_SETFD, j | FD_CLOEXEC) < 0) 1597 { 1598 if (tTd(3, 1)) 1599 sm_dprintf("getla: fcntl(/dev/kmem, FD_CLOEXEC): %s\n", 1600 sm_errstring(errno)); 1601 (void) close(kmem); 1602 kmem = -1; 1603 return -1; 1604 } 1605 } 1606 mirk.mirk_symname = LA_AVENRUN; 1607 mirk.mirk_buf = avenrun; 1608 mirk.mirk_buflen = sizeof(avenrun); 1609 if (ioctl(kmem, MIOC_READKSYM, &mirk) < 0) 1610 { 1611 if (tTd(3, 1)) 1612 sm_dprintf("getla: ioctl(MIOC_READKSYM) failed: %s\n", 1613 sm_errstring(errno)); 1614 return -1; 1615 } 1616 if (tTd(3, 5)) 1617 { 1618 sm_dprintf("getla: avenrun = %d", avenrun[0]); 1619 if (tTd(3, 15)) 1620 sm_dprintf(", %d, %d", avenrun[1], avenrun[2]); 1621 sm_dprintf("\n"); 1622 } 1623 if (tTd(3, 1)) 1624 sm_dprintf("getla: %d\n", 1625 (int) (avenrun[0] + FSCALE/2) >> FSHIFT); 1626 return ((int) (avenrun[0] + FSCALE/2) >> FSHIFT); 1627 } 1628 1629 #endif /* LA_TYPE == LA_READKSYM */ 1630 1631 #if LA_TYPE == LA_DGUX 1632 1633 # include <sys/dg_sys_info.h> 1634 1635 int 1636 getla() 1637 { 1638 struct dg_sys_info_load_info load_info; 1639 1640 dg_sys_info((long *)&load_info, 1641 DG_SYS_INFO_LOAD_INFO_TYPE, DG_SYS_INFO_LOAD_VERSION_0); 1642 1643 if (tTd(3, 1)) 1644 sm_dprintf("getla: %d\n", (int) (load_info.one_minute + 0.5)); 1645 1646 return ((int) (load_info.one_minute + 0.5)); 1647 } 1648 1649 #endif /* LA_TYPE == LA_DGUX */ 1650 1651 #if LA_TYPE == LA_HPUX 1652 1653 /* forward declarations to keep gcc from complaining */ 1654 struct pst_dynamic; 1655 struct pst_status; 1656 struct pst_static; 1657 struct pst_vminfo; 1658 struct pst_diskinfo; 1659 struct pst_processor; 1660 struct pst_lv; 1661 struct pst_swapinfo; 1662 1663 # include <sys/param.h> 1664 # include <sys/pstat.h> 1665 1666 int 1667 getla() 1668 { 1669 struct pst_dynamic pstd; 1670 1671 if (pstat_getdynamic(&pstd, sizeof(struct pst_dynamic), 1672 (size_t) 1, 0) == -1) 1673 return 0; 1674 1675 if (tTd(3, 1)) 1676 sm_dprintf("getla: %d\n", (int) (pstd.psd_avg_1_min + 0.5)); 1677 1678 return (int) (pstd.psd_avg_1_min + 0.5); 1679 } 1680 1681 #endif /* LA_TYPE == LA_HPUX */ 1682 1683 #if LA_TYPE == LA_SUBR 1684 1685 int 1686 getla() 1687 { 1688 double avenrun[3]; 1689 1690 if (getloadavg(avenrun, sizeof(avenrun) / sizeof(avenrun[0])) < 0) 1691 { 1692 if (tTd(3, 1)) 1693 sm_dprintf("getla: getloadavg failed: %s", 1694 sm_errstring(errno)); 1695 return -1; 1696 } 1697 if (tTd(3, 1)) 1698 sm_dprintf("getla: %d\n", (int) (avenrun[0] +0.5)); 1699 return ((int) (avenrun[0] + 0.5)); 1700 } 1701 1702 #endif /* LA_TYPE == LA_SUBR */ 1703 1704 #if LA_TYPE == LA_MACH 1705 1706 /* 1707 ** This has been tested on NEXTSTEP release 2.1/3.X. 1708 */ 1709 1710 # if defined(NX_CURRENT_COMPILER_RELEASE) && NX_CURRENT_COMPILER_RELEASE > NX_COMPILER_RELEASE_3_0 1711 # include <mach/mach.h> 1712 # else /* defined(NX_CURRENT_COMPILER_RELEASE) && NX_CURRENT_COMPILER_RELEASE > NX_COMPILER_RELEASE_3_0 */ 1713 # include <mach.h> 1714 # endif /* defined(NX_CURRENT_COMPILER_RELEASE) && NX_CURRENT_COMPILER_RELEASE > NX_COMPILER_RELEASE_3_0 */ 1715 1716 int 1717 getla() 1718 { 1719 processor_set_t default_set; 1720 kern_return_t error; 1721 unsigned int info_count; 1722 struct processor_set_basic_info info; 1723 host_t host; 1724 1725 error = processor_set_default(host_self(), &default_set); 1726 if (error != KERN_SUCCESS) 1727 { 1728 if (tTd(3, 1)) 1729 sm_dprintf("getla: processor_set_default failed: %s", 1730 sm_errstring(errno)); 1731 return -1; 1732 } 1733 info_count = PROCESSOR_SET_BASIC_INFO_COUNT; 1734 if (processor_set_info(default_set, PROCESSOR_SET_BASIC_INFO, 1735 &host, (processor_set_info_t)&info, 1736 &info_count) != KERN_SUCCESS) 1737 { 1738 if (tTd(3, 1)) 1739 sm_dprintf("getla: processor_set_info failed: %s", 1740 sm_errstring(errno)); 1741 return -1; 1742 } 1743 if (tTd(3, 1)) 1744 sm_dprintf("getla: %d\n", 1745 (int) ((info.load_average + (LOAD_SCALE / 2)) / 1746 LOAD_SCALE)); 1747 return (int) (info.load_average + (LOAD_SCALE / 2)) / LOAD_SCALE; 1748 } 1749 1750 #endif /* LA_TYPE == LA_MACH */ 1751 1752 #if LA_TYPE == LA_PROCSTR 1753 # if SM_CONF_BROKEN_STRTOD 1754 ERROR: This OS has most likely a broken strtod() implemenentation. 1755 ERROR: The function is required for getla(). 1756 ERROR: Check the compilation options _LA_PROCSTR and 1757 ERROR: _SM_CONF_BROKEN_STRTOD (without the leading _). 1758 # endif /* SM_CONF_BROKEN_STRTOD */ 1759 1760 /* 1761 ** Read /proc/loadavg for the load average. This is assumed to be 1762 ** in a format like "0.15 0.12 0.06". 1763 ** 1764 ** Initially intended for Linux. This has been in the kernel 1765 ** since at least 0.99.15. 1766 */ 1767 1768 # ifndef _PATH_LOADAVG 1769 # define _PATH_LOADAVG "/proc/loadavg" 1770 # endif /* ! _PATH_LOADAVG */ 1771 1772 int 1773 getla() 1774 { 1775 double avenrun; 1776 register int result; 1777 SM_FILE_T *fp; 1778 1779 fp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, _PATH_LOADAVG, SM_IO_RDONLY, 1780 NULL); 1781 if (fp == NULL) 1782 { 1783 if (tTd(3, 1)) 1784 sm_dprintf("getla: sm_io_open(%s): %s\n", 1785 _PATH_LOADAVG, sm_errstring(errno)); 1786 return -1; 1787 } 1788 result = sm_io_fscanf(fp, SM_TIME_DEFAULT, "%lf", &avenrun); 1789 (void) sm_io_close(fp, SM_TIME_DEFAULT); 1790 if (result != 1) 1791 { 1792 if (tTd(3, 1)) 1793 sm_dprintf("getla: sm_io_fscanf() = %d: %s\n", 1794 result, sm_errstring(errno)); 1795 return -1; 1796 } 1797 1798 if (tTd(3, 1)) 1799 sm_dprintf("getla(): %.2f\n", avenrun); 1800 1801 return ((int) (avenrun + 0.5)); 1802 } 1803 1804 #endif /* LA_TYPE == LA_PROCSTR */ 1805 1806 #if LA_TYPE == LA_IRIX6 1807 1808 # include <sys/sysmp.h> 1809 1810 int 1811 getla(void) 1812 { 1813 int j; 1814 static int kmem = -1; 1815 int avenrun[3]; 1816 1817 if (kmem < 0) 1818 { 1819 kmem = open(_PATH_KMEM, 0, 0); 1820 if (kmem < 0) 1821 { 1822 if (tTd(3, 1)) 1823 sm_dprintf("getla: open(%s): %s\n", _PATH_KMEM, 1824 sm_errstring(errno)); 1825 return -1; 1826 } 1827 if ((j = fcntl(kmem, F_GETFD, 0)) < 0 || 1828 fcntl(kmem, F_SETFD, j | FD_CLOEXEC) < 0) 1829 { 1830 if (tTd(3, 1)) 1831 sm_dprintf("getla: fcntl(/dev/kmem, FD_CLOEXEC): %s\n", 1832 sm_errstring(errno)); 1833 (void) close(kmem); 1834 kmem = -1; 1835 return -1; 1836 } 1837 } 1838 1839 if (lseek(kmem, (sysmp(MP_KERNADDR, MPKA_AVENRUN) & 0x7fffffff), SEEK_SET) == -1 || 1840 read(kmem, (char *) avenrun, sizeof(avenrun)) < sizeof(avenrun)) 1841 { 1842 if (tTd(3, 1)) 1843 sm_dprintf("getla: lseek or read: %s\n", 1844 sm_errstring(errno)); 1845 return -1; 1846 } 1847 if (tTd(3, 5)) 1848 { 1849 sm_dprintf("getla: avenrun = %ld", (long int) avenrun[0]); 1850 if (tTd(3, 15)) 1851 sm_dprintf(", %ld, %ld", 1852 (long int) avenrun[1], (long int) avenrun[2]); 1853 sm_dprintf("\n"); 1854 } 1855 1856 if (tTd(3, 1)) 1857 sm_dprintf("getla: %d\n", 1858 (int) (avenrun[0] + FSCALE/2) >> FSHIFT); 1859 return ((int) (avenrun[0] + FSCALE/2) >> FSHIFT); 1860 1861 } 1862 #endif /* LA_TYPE == LA_IRIX6 */ 1863 1864 #if LA_TYPE == LA_KSTAT 1865 1866 # include <kstat.h> 1867 1868 int 1869 getla() 1870 { 1871 static kstat_ctl_t *kc = NULL; 1872 static kstat_t *ksp = NULL; 1873 kstat_named_t *ksn; 1874 int la; 1875 1876 if (kc == NULL) /* if not initialized before */ 1877 kc = kstat_open(); 1878 if (kc == NULL) 1879 { 1880 if (tTd(3, 1)) 1881 sm_dprintf("getla: kstat_open(): %s\n", 1882 sm_errstring(errno)); 1883 return -1; 1884 } 1885 if (ksp == NULL) 1886 ksp = kstat_lookup(kc, "unix", 0, "system_misc"); 1887 if (ksp == NULL) 1888 { 1889 if (tTd(3, 1)) 1890 sm_dprintf("getla: kstat_lookup(): %s\n", 1891 sm_errstring(errno)); 1892 return -1; 1893 } 1894 if (kstat_read(kc, ksp, NULL) < 0) 1895 { 1896 if (tTd(3, 1)) 1897 sm_dprintf("getla: kstat_read(): %s\n", 1898 sm_errstring(errno)); 1899 return -1; 1900 } 1901 ksn = (kstat_named_t *) kstat_data_lookup(ksp, "avenrun_1min"); 1902 la = ((double) ksn->value.ul + FSCALE/2) / FSCALE; 1903 /* kstat_close(kc); /o do not close for fast access */ 1904 return la; 1905 } 1906 1907 #endif /* LA_TYPE == LA_KSTAT */ 1908 1909 #if LA_TYPE == LA_DEVSHORT 1910 1911 /* 1912 ** Read /dev/table/avenrun for the load average. This should contain 1913 ** three shorts for the 1, 5, and 15 minute loads. We only read the 1914 ** first, since that's all we care about. 1915 ** 1916 ** Intended for SCO OpenServer 5. 1917 */ 1918 1919 # ifndef _PATH_AVENRUN 1920 # define _PATH_AVENRUN "/dev/table/avenrun" 1921 # endif /* ! _PATH_AVENRUN */ 1922 1923 int 1924 getla() 1925 { 1926 static int afd = -1; 1927 short avenrun; 1928 int loadav; 1929 int r; 1930 1931 errno = EBADF; 1932 1933 if (afd == -1 || lseek(afd, 0L, SEEK_SET) == -1) 1934 { 1935 if (errno != EBADF) 1936 return -1; 1937 afd = open(_PATH_AVENRUN, O_RDONLY|O_SYNC); 1938 if (afd < 0) 1939 { 1940 sm_syslog(LOG_ERR, NOQID, 1941 "can't open %s: %s", 1942 _PATH_AVENRUN, sm_errstring(errno)); 1943 return -1; 1944 } 1945 } 1946 1947 r = read(afd, &avenrun, sizeof avenrun); 1948 1949 if (tTd(3, 5)) 1950 sm_dprintf("getla: avenrun = %d\n", avenrun); 1951 loadav = (int) (avenrun + FSCALE/2) >> FSHIFT; 1952 if (tTd(3, 1)) 1953 sm_dprintf("getla: %d\n", loadav); 1954 return loadav; 1955 } 1956 1957 #endif /* LA_TYPE == LA_DEVSHORT */ 1958 1959 #if LA_TYPE == LA_ALPHAOSF 1960 struct rtentry; 1961 struct mbuf; 1962 # include <sys/table.h> 1963 1964 int 1965 getla() 1966 { 1967 int ave = 0; 1968 struct tbl_loadavg tab; 1969 1970 if (table(TBL_LOADAVG, 0, &tab, 1, sizeof(tab)) == -1) 1971 { 1972 if (tTd(3, 1)) 1973 sm_dprintf("getla: table %s\n", sm_errstring(errno)); 1974 return -1; 1975 } 1976 1977 if (tTd(3, 1)) 1978 sm_dprintf("getla: scale = %d\n", tab.tl_lscale); 1979 1980 if (tab.tl_lscale) 1981 ave = ((tab.tl_avenrun.l[2] + (tab.tl_lscale/2)) / 1982 tab.tl_lscale); 1983 else 1984 ave = (int) (tab.tl_avenrun.d[2] + 0.5); 1985 1986 if (tTd(3, 1)) 1987 sm_dprintf("getla: %d\n", ave); 1988 1989 return ave; 1990 } 1991 1992 #endif /* LA_TYPE == LA_ALPHAOSF */ 1993 1994 #if LA_TYPE == LA_PSET 1995 1996 int 1997 getla() 1998 { 1999 double avenrun[3]; 2000 2001 if (pset_getloadavg(PS_MYID, avenrun, 2002 sizeof(avenrun) / sizeof(avenrun[0])) < 0) 2003 { 2004 if (tTd(3, 1)) 2005 sm_dprintf("getla: pset_getloadavg failed: %s", 2006 sm_errstring(errno)); 2007 return -1; 2008 } 2009 if (tTd(3, 1)) 2010 sm_dprintf("getla: %d\n", (int) (avenrun[0] +0.5)); 2011 return ((int) (avenrun[0] + 0.5)); 2012 } 2013 2014 #endif /* LA_TYPE == LA_PSET */ 2015 2016 #if LA_TYPE == LA_ZERO 2017 2018 int 2019 getla() 2020 { 2021 if (tTd(3, 1)) 2022 sm_dprintf("getla: ZERO\n"); 2023 return 0; 2024 } 2025 2026 #endif /* LA_TYPE == LA_ZERO */ 2027 2028 /* 2029 * Copyright 1989 Massachusetts Institute of Technology 2030 * 2031 * Permission to use, copy, modify, distribute, and sell this software and its 2032 * documentation for any purpose is hereby granted without fee, provided that 2033 * the above copyright notice appear in all copies and that both that 2034 * copyright notice and this permission notice appear in supporting 2035 * documentation, and that the name of M.I.T. not be used in advertising or 2036 * publicity pertaining to distribution of the software without specific, 2037 * written prior permission. M.I.T. makes no representations about the 2038 * suitability of this software for any purpose. It is provided "as is" 2039 * without express or implied warranty. 2040 * 2041 * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL 2042 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T. 2043 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 2044 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 2045 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 2046 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 2047 * 2048 * Authors: Many and varied... 2049 */ 2050 2051 /* Non Apollo stuff removed by Don Lewis 11/15/93 */ 2052 #ifndef lint 2053 SM_UNUSED(static char rcsid[]) = "@(#)$OrigId: getloadavg.c,v 1.16 1991/06/21 12:51:15 paul Exp $"; 2054 #endif /* ! lint */ 2055 2056 #ifdef apollo 2057 # undef volatile 2058 # include <apollo/base.h> 2059 2060 /* ARGSUSED */ 2061 int getloadavg( call_data ) 2062 caddr_t call_data; /* pointer to (double) return value */ 2063 { 2064 double *avenrun = (double *) call_data; 2065 int i; 2066 status_$t st; 2067 long loadav[3]; 2068 2069 proc1_$get_loadav(loadav, &st); 2070 *avenrun = loadav[0] / (double) (1 << 16); 2071 return 0; 2072 } 2073 #endif /* apollo */ 2074 /* 2075 ** SM_GETLA -- get the current load average 2076 ** 2077 ** Parameters: 2078 ** none 2079 ** 2080 ** Returns: 2081 ** none 2082 ** 2083 ** Side Effects: 2084 ** Set CurrentLA to the current load average. 2085 ** Set {load_avg} in GlobalMacros to the current load average. 2086 */ 2087 2088 void 2089 sm_getla() 2090 { 2091 char labuf[8]; 2092 2093 CurrentLA = getla(); 2094 (void) sm_snprintf(labuf, sizeof labuf, "%d", CurrentLA); 2095 macdefine(&GlobalMacros, A_TEMP, macid("{load_avg}"), labuf); 2096 } 2097 /* 2098 ** SHOULDQUEUE -- should this message be queued or sent? 2099 ** 2100 ** Compares the message cost to the load average to decide. 2101 ** 2102 ** Note: Do NOT change this API! It is documented in op.me 2103 ** and theoretically the user can change this function... 2104 ** 2105 ** Parameters: 2106 ** pri -- the priority of the message in question. 2107 ** ct -- the message creation time (unused, but see above). 2108 ** 2109 ** Returns: 2110 ** true -- if this message should be queued up for the 2111 ** time being. 2112 ** false -- if the load is low enough to send this message. 2113 ** 2114 ** Side Effects: 2115 ** none. 2116 */ 2117 2118 /* ARGSUSED1 */ 2119 bool 2120 shouldqueue(pri, ct) 2121 long pri; 2122 time_t ct; 2123 { 2124 bool rval; 2125 2126 if (tTd(3, 30)) 2127 sm_dprintf("shouldqueue: CurrentLA=%d, pri=%ld: ", 2128 CurrentLA, pri); 2129 if (CurrentLA < QueueLA) 2130 { 2131 if (tTd(3, 30)) 2132 sm_dprintf("false (CurrentLA < QueueLA)\n"); 2133 return false; 2134 } 2135 # if 0 /* this code is reported to cause oscillation around RefuseLA */ 2136 if (CurrentLA >= RefuseLA && QueueLA < RefuseLA) 2137 { 2138 if (tTd(3, 30)) 2139 sm_dprintf("TRUE (CurrentLA >= RefuseLA)\n"); 2140 return true; 2141 } 2142 # endif /* 0 */ 2143 rval = pri > (QueueFactor / (CurrentLA - QueueLA + 1)); 2144 if (tTd(3, 30)) 2145 sm_dprintf("%s (by calculation)\n", rval ? "true" : "false"); 2146 return rval; 2147 } 2148 /* 2149 ** REFUSECONNECTIONS -- decide if connections should be refused 2150 ** 2151 ** Parameters: 2152 ** name -- daemon name (for error messages only) 2153 ** e -- the current envelope. 2154 ** d -- number of daemon 2155 ** active -- was this daemon actually active? 2156 ** 2157 ** Returns: 2158 ** true if incoming SMTP connections should be refused 2159 ** (for now). 2160 ** false if we should accept new work. 2161 ** 2162 ** Side Effects: 2163 ** Sets process title when it is rejecting connections. 2164 */ 2165 2166 bool 2167 refuseconnections(name, e, d, active) 2168 char *name; 2169 ENVELOPE *e; 2170 int d; 2171 bool active; 2172 { 2173 static time_t lastconn[MAXDAEMONS]; 2174 static int conncnt[MAXDAEMONS]; 2175 2176 #if XLA 2177 if (!xla_smtp_ok()) 2178 return true; 2179 #endif /* XLA */ 2180 2181 if (ConnRateThrottle > 0) 2182 { 2183 time_t now; 2184 2185 now = curtime(); 2186 if (active) 2187 { 2188 if (now != lastconn[d]) 2189 { 2190 lastconn[d] = now; 2191 conncnt[d] = 1; 2192 } 2193 else if (conncnt[d]++ > ConnRateThrottle) 2194 { 2195 #define D_MSG_CRT "deferring connections on daemon %s: %d per second" 2196 /* sleep to flatten out connection load */ 2197 sm_setproctitle(true, e, D_MSG_CRT, 2198 name, ConnRateThrottle); 2199 if (LogLevel > 8) 2200 sm_syslog(LOG_INFO, NOQID, D_MSG_CRT, 2201 name, ConnRateThrottle); 2202 (void) sleep(1); 2203 } 2204 } 2205 else if (now != lastconn[d]) 2206 conncnt[d] = 0; 2207 } 2208 2209 sm_getla(); 2210 if (RefuseLA > 0 && CurrentLA >= RefuseLA) 2211 { 2212 # define R_MSG_LA "rejecting connections on daemon %s: load average: %d" 2213 sm_setproctitle(true, e, R_MSG_LA, name, CurrentLA); 2214 if (LogLevel > 8) 2215 sm_syslog(LOG_INFO, NOQID, R_MSG_LA, name, CurrentLA); 2216 return true; 2217 } 2218 2219 if (DelayLA > 0 && CurrentLA >= DelayLA) 2220 { 2221 time_t now; 2222 static time_t log_delay = (time_t) 0; 2223 2224 # define MIN_DELAY_LOG 90 /* wait before logging this again */ 2225 # define D_MSG_LA "delaying connections on daemon %s: load average=%d >= %d" 2226 /* sleep to flatten out connection load */ 2227 sm_setproctitle(true, e, D_MSG_LA, name, DelayLA); 2228 if (LogLevel > 8 && (now = curtime()) > log_delay) 2229 { 2230 sm_syslog(LOG_INFO, NOQID, D_MSG_LA, 2231 name, CurrentLA, DelayLA); 2232 log_delay = now + MIN_DELAY_LOG; 2233 } 2234 (void) sleep(1); 2235 } 2236 2237 if (MaxChildren > 0 && CurChildren >= MaxChildren) 2238 { 2239 proc_list_probe(); 2240 if (CurChildren >= MaxChildren) 2241 { 2242 #define R_MSG_CHILD "rejecting connections on daemon %s: %d children, max %d" 2243 sm_setproctitle(true, e, R_MSG_CHILD, 2244 name, CurChildren, MaxChildren); 2245 if (LogLevel > 8) 2246 sm_syslog(LOG_INFO, NOQID, R_MSG_CHILD, 2247 name, CurChildren, MaxChildren); 2248 return true; 2249 } 2250 } 2251 return false; 2252 } 2253 /* 2254 ** SETPROCTITLE -- set process title for ps 2255 ** 2256 ** Parameters: 2257 ** fmt -- a printf style format string. 2258 ** a, b, c -- possible parameters to fmt. 2259 ** 2260 ** Returns: 2261 ** none. 2262 ** 2263 ** Side Effects: 2264 ** Clobbers argv of our main procedure so ps(1) will 2265 ** display the title. 2266 */ 2267 2268 #define SPT_NONE 0 /* don't use it at all */ 2269 #define SPT_REUSEARGV 1 /* cover argv with title information */ 2270 #define SPT_BUILTIN 2 /* use libc builtin */ 2271 #define SPT_PSTAT 3 /* use pstat(PSTAT_SETCMD, ...) */ 2272 #define SPT_PSSTRINGS 4 /* use PS_STRINGS->... */ 2273 #define SPT_SYSMIPS 5 /* use sysmips() supported by NEWS-OS 6 */ 2274 #define SPT_SCO 6 /* write kernel u. area */ 2275 #define SPT_CHANGEARGV 7 /* write our own strings into argv[] */ 2276 2277 #ifndef SPT_TYPE 2278 # define SPT_TYPE SPT_REUSEARGV 2279 #endif /* ! SPT_TYPE */ 2280 2281 2282 #if SPT_TYPE != SPT_NONE && SPT_TYPE != SPT_BUILTIN 2283 2284 # if SPT_TYPE == SPT_PSTAT 2285 # include <sys/pstat.h> 2286 # endif /* SPT_TYPE == SPT_PSTAT */ 2287 # if SPT_TYPE == SPT_PSSTRINGS 2288 # include <machine/vmparam.h> 2289 # include <sys/exec.h> 2290 # ifndef PS_STRINGS /* hmmmm.... apparently not available after all */ 2291 # undef SPT_TYPE 2292 # define SPT_TYPE SPT_REUSEARGV 2293 # else /* ! PS_STRINGS */ 2294 # ifndef NKPDE /* FreeBSD 2.0 */ 2295 # define NKPDE 63 2296 typedef unsigned int *pt_entry_t; 2297 # endif /* ! NKPDE */ 2298 # endif /* ! PS_STRINGS */ 2299 # endif /* SPT_TYPE == SPT_PSSTRINGS */ 2300 2301 # if SPT_TYPE == SPT_PSSTRINGS || SPT_TYPE == SPT_CHANGEARGV 2302 # define SETPROC_STATIC static 2303 # else /* SPT_TYPE == SPT_PSSTRINGS || SPT_TYPE == SPT_CHANGEARGV */ 2304 # define SETPROC_STATIC 2305 # endif /* SPT_TYPE == SPT_PSSTRINGS || SPT_TYPE == SPT_CHANGEARGV */ 2306 2307 # if SPT_TYPE == SPT_SYSMIPS 2308 # include <sys/sysmips.h> 2309 # include <sys/sysnews.h> 2310 # endif /* SPT_TYPE == SPT_SYSMIPS */ 2311 2312 # if SPT_TYPE == SPT_SCO 2313 # include <sys/immu.h> 2314 # include <sys/dir.h> 2315 # include <sys/user.h> 2316 # include <sys/fs/s5param.h> 2317 # if PSARGSZ > MAXLINE 2318 # define SPT_BUFSIZE PSARGSZ 2319 # endif /* PSARGSZ > MAXLINE */ 2320 # endif /* SPT_TYPE == SPT_SCO */ 2321 2322 # ifndef SPT_PADCHAR 2323 # define SPT_PADCHAR ' ' 2324 # endif /* ! SPT_PADCHAR */ 2325 2326 #endif /* SPT_TYPE != SPT_NONE && SPT_TYPE != SPT_BUILTIN */ 2327 2328 #ifndef SPT_BUFSIZE 2329 # define SPT_BUFSIZE MAXLINE 2330 #endif /* ! SPT_BUFSIZE */ 2331 2332 /* 2333 ** Pointers for setproctitle. 2334 ** This allows "ps" listings to give more useful information. 2335 */ 2336 2337 static char **Argv = NULL; /* pointer to argument vector */ 2338 static char *LastArgv = NULL; /* end of argv */ 2339 #if SPT_TYPE != SPT_BUILTIN 2340 static void setproctitle __P((const char *, ...)); 2341 #endif /* SPT_TYPE != SPT_BUILTIN */ 2342 2343 void 2344 initsetproctitle(argc, argv, envp) 2345 int argc; 2346 char **argv; 2347 char **envp; 2348 { 2349 register int i; 2350 extern char **environ; 2351 2352 /* 2353 ** Move the environment so setproctitle can use the space at 2354 ** the top of memory. 2355 */ 2356 2357 for (i = 0; envp[i] != NULL; i++) 2358 continue; 2359 environ = (char **) xalloc(sizeof (char *) * (i + 1)); 2360 for (i = 0; envp[i] != NULL; i++) 2361 environ[i] = newstr(envp[i]); 2362 environ[i] = NULL; 2363 2364 /* 2365 ** Save start and extent of argv for setproctitle. 2366 */ 2367 2368 Argv = argv; 2369 2370 /* 2371 ** Determine how much space we can use for setproctitle. 2372 ** Use all contiguous argv and envp pointers starting at argv[0] 2373 */ 2374 for (i = 0; i < argc; i++) 2375 { 2376 if (i == 0 || LastArgv + 1 == argv[i]) 2377 LastArgv = argv[i] + strlen(argv[i]); 2378 } 2379 for (i = 0; LastArgv != NULL && envp[i] != NULL; i++) 2380 { 2381 if (LastArgv + 1 == envp[i]) 2382 LastArgv = envp[i] + strlen(envp[i]); 2383 } 2384 } 2385 2386 #if SPT_TYPE != SPT_BUILTIN 2387 2388 /*VARARGS1*/ 2389 static void 2390 # ifdef __STDC__ 2391 setproctitle(const char *fmt, ...) 2392 # else /* __STDC__ */ 2393 setproctitle(fmt, va_alist) 2394 const char *fmt; 2395 va_dcl 2396 # endif /* __STDC__ */ 2397 { 2398 # if SPT_TYPE != SPT_NONE 2399 register int i; 2400 register char *p; 2401 SETPROC_STATIC char buf[SPT_BUFSIZE]; 2402 SM_VA_LOCAL_DECL 2403 # if SPT_TYPE == SPT_PSTAT 2404 union pstun pst; 2405 # endif /* SPT_TYPE == SPT_PSTAT */ 2406 # if SPT_TYPE == SPT_SCO 2407 int j; 2408 off_t seek_off; 2409 static int kmem = -1; 2410 static pid_t kmempid = -1; 2411 struct user u; 2412 # endif /* SPT_TYPE == SPT_SCO */ 2413 2414 p = buf; 2415 2416 /* print sendmail: heading for grep */ 2417 (void) sm_strlcpy(p, "sendmail: ", SPACELEFT(buf, p)); 2418 p += strlen(p); 2419 2420 /* print the argument string */ 2421 SM_VA_START(ap, fmt); 2422 (void) sm_vsnprintf(p, SPACELEFT(buf, p), fmt, ap); 2423 SM_VA_END(ap); 2424 2425 i = (int) strlen(buf); 2426 if (i < 0) 2427 return; 2428 2429 # if SPT_TYPE == SPT_PSTAT 2430 pst.pst_command = buf; 2431 pstat(PSTAT_SETCMD, pst, i, 0, 0); 2432 # endif /* SPT_TYPE == SPT_PSTAT */ 2433 # if SPT_TYPE == SPT_PSSTRINGS 2434 PS_STRINGS->ps_nargvstr = 1; 2435 PS_STRINGS->ps_argvstr = buf; 2436 # endif /* SPT_TYPE == SPT_PSSTRINGS */ 2437 # if SPT_TYPE == SPT_SYSMIPS 2438 sysmips(SONY_SYSNEWS, NEWS_SETPSARGS, buf); 2439 # endif /* SPT_TYPE == SPT_SYSMIPS */ 2440 # if SPT_TYPE == SPT_SCO 2441 if (kmem < 0 || kmempid != CurrentPid) 2442 { 2443 if (kmem >= 0) 2444 (void) close(kmem); 2445 kmem = open(_PATH_KMEM, O_RDWR, 0); 2446 if (kmem < 0) 2447 return; 2448 if ((j = fcntl(kmem, F_GETFD, 0)) < 0 || 2449 fcntl(kmem, F_SETFD, j | FD_CLOEXEC) < 0) 2450 { 2451 (void) close(kmem); 2452 kmem = -1; 2453 return; 2454 } 2455 kmempid = CurrentPid; 2456 } 2457 buf[PSARGSZ - 1] = '\0'; 2458 seek_off = UVUBLK + (off_t) u.u_psargs - (off_t) &u; 2459 if (lseek(kmem, (off_t) seek_off, SEEK_SET) == seek_off) 2460 (void) write(kmem, buf, PSARGSZ); 2461 # endif /* SPT_TYPE == SPT_SCO */ 2462 # if SPT_TYPE == SPT_REUSEARGV 2463 if (LastArgv == NULL) 2464 return; 2465 2466 if (i > LastArgv - Argv[0] - 2) 2467 { 2468 i = LastArgv - Argv[0] - 2; 2469 buf[i] = '\0'; 2470 } 2471 (void) sm_strlcpy(Argv[0], buf, i + 1); 2472 p = &Argv[0][i]; 2473 while (p < LastArgv) 2474 *p++ = SPT_PADCHAR; 2475 Argv[1] = NULL; 2476 # endif /* SPT_TYPE == SPT_REUSEARGV */ 2477 # if SPT_TYPE == SPT_CHANGEARGV 2478 Argv[0] = buf; 2479 Argv[1] = 0; 2480 # endif /* SPT_TYPE == SPT_CHANGEARGV */ 2481 # endif /* SPT_TYPE != SPT_NONE */ 2482 } 2483 2484 #endif /* SPT_TYPE != SPT_BUILTIN */ 2485 /* 2486 ** SM_SETPROCTITLE -- set process task and set process title for ps 2487 ** 2488 ** Possibly set process status and call setproctitle() to 2489 ** change the ps display. 2490 ** 2491 ** Parameters: 2492 ** status -- whether or not to store as process status 2493 ** e -- the current envelope. 2494 ** fmt -- a printf style format string. 2495 ** a, b, c -- possible parameters to fmt. 2496 ** 2497 ** Returns: 2498 ** none. 2499 */ 2500 2501 /*VARARGS2*/ 2502 void 2503 #ifdef __STDC__ 2504 sm_setproctitle(bool status, ENVELOPE *e, const char *fmt, ...) 2505 #else /* __STDC__ */ 2506 sm_setproctitle(status, e, fmt, va_alist) 2507 bool status; 2508 ENVELOPE *e; 2509 const char *fmt; 2510 va_dcl 2511 #endif /* __STDC__ */ 2512 { 2513 char buf[SPT_BUFSIZE]; 2514 SM_VA_LOCAL_DECL 2515 2516 /* print the argument string */ 2517 SM_VA_START(ap, fmt); 2518 (void) sm_vsnprintf(buf, sizeof buf, fmt, ap); 2519 SM_VA_END(ap); 2520 2521 if (status) 2522 proc_list_set(CurrentPid, buf); 2523 2524 if (ProcTitlePrefix != NULL) 2525 { 2526 char prefix[SPT_BUFSIZE]; 2527 2528 expand(ProcTitlePrefix, prefix, sizeof prefix, e); 2529 setproctitle("%s: %s", prefix, buf); 2530 } 2531 else 2532 setproctitle("%s", buf); 2533 } 2534 /* 2535 ** WAITFOR -- wait for a particular process id. 2536 ** 2537 ** Parameters: 2538 ** pid -- process id to wait for. 2539 ** 2540 ** Returns: 2541 ** status of pid. 2542 ** -1 if pid never shows up. 2543 ** 2544 ** Side Effects: 2545 ** none. 2546 */ 2547 2548 int 2549 waitfor(pid) 2550 pid_t pid; 2551 { 2552 int st; 2553 pid_t i; 2554 2555 do 2556 { 2557 errno = 0; 2558 i = sm_wait(&st); 2559 if (i > 0) 2560 proc_list_drop(i, st, NULL); 2561 } while ((i >= 0 || errno == EINTR) && i != pid); 2562 if (i < 0) 2563 return -1; 2564 return st; 2565 } 2566 /* 2567 ** SM_WAIT -- wait 2568 ** 2569 ** Parameters: 2570 ** status -- pointer to status (return value) 2571 ** 2572 ** Returns: 2573 ** pid 2574 */ 2575 2576 pid_t 2577 sm_wait(status) 2578 int *status; 2579 { 2580 # ifdef WAITUNION 2581 union wait st; 2582 # else /* WAITUNION */ 2583 auto int st; 2584 # endif /* WAITUNION */ 2585 pid_t i; 2586 # if defined(ISC_UNIX) || defined(_SCO_unix_) 2587 int savesig; 2588 # endif /* defined(ISC_UNIX) || defined(_SCO_unix_) */ 2589 2590 # if defined(ISC_UNIX) || defined(_SCO_unix_) 2591 savesig = sm_releasesignal(SIGCHLD); 2592 # endif /* defined(ISC_UNIX) || defined(_SCO_unix_) */ 2593 i = wait(&st); 2594 # if defined(ISC_UNIX) || defined(_SCO_unix_) 2595 if (savesig > 0) 2596 sm_blocksignal(SIGCHLD); 2597 # endif /* defined(ISC_UNIX) || defined(_SCO_unix_) */ 2598 # ifdef WAITUNION 2599 *status = st.w_status; 2600 # else /* WAITUNION */ 2601 *status = st; 2602 # endif /* WAITUNION */ 2603 return i; 2604 } 2605 /* 2606 ** REAPCHILD -- pick up the body of my child, lest it become a zombie 2607 ** 2608 ** Parameters: 2609 ** sig -- the signal that got us here (unused). 2610 ** 2611 ** Returns: 2612 ** none. 2613 ** 2614 ** Side Effects: 2615 ** Picks up extant zombies. 2616 ** Control socket exits may restart/shutdown daemon. 2617 ** 2618 ** NOTE: THIS CAN BE CALLED FROM A SIGNAL HANDLER. DO NOT ADD 2619 ** ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE 2620 ** DOING. 2621 */ 2622 2623 /* ARGSUSED0 */ 2624 SIGFUNC_DECL 2625 reapchild(sig) 2626 int sig; 2627 { 2628 int m = 0; 2629 int save_errno = errno; 2630 int st; 2631 pid_t pid; 2632 # if HASWAITPID 2633 auto int status; 2634 int count; 2635 2636 count = 0; 2637 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) 2638 { 2639 st = status; 2640 if (count++ > 1000) 2641 break; 2642 # else /* HASWAITPID */ 2643 # ifdef WNOHANG 2644 union wait status; 2645 2646 while ((pid = wait3(&status, WNOHANG, (struct rusage *) NULL)) > 0) 2647 { 2648 st = status.w_status; 2649 # else /* WNOHANG */ 2650 auto int status; 2651 2652 /* 2653 ** Catch one zombie -- we will be re-invoked (we hope) if there 2654 ** are more. Unreliable signals probably break this, but this 2655 ** is the "old system" situation -- waitpid or wait3 are to be 2656 ** strongly preferred. 2657 */ 2658 2659 if ((pid = wait(&status)) > 0) 2660 { 2661 st = status; 2662 # endif /* WNOHANG */ 2663 # endif /* HASWAITPID */ 2664 /* Drop PID and check if it was a control socket child */ 2665 proc_list_drop(pid, st, NULL); 2666 CurRunners -= m; /* Update */ 2667 } 2668 FIX_SYSV_SIGNAL(sig, reapchild); 2669 errno = save_errno; 2670 return SIGFUNC_RETURN; 2671 } 2672 /* 2673 ** GETDTABLESIZE -- return number of file descriptors 2674 ** 2675 ** Only on non-BSD systems 2676 ** 2677 ** Parameters: 2678 ** none 2679 ** 2680 ** Returns: 2681 ** size of file descriptor table 2682 ** 2683 ** Side Effects: 2684 ** none 2685 */ 2686 2687 #ifdef SOLARIS 2688 # include <sys/resource.h> 2689 #endif /* SOLARIS */ 2690 2691 int 2692 getdtsize() 2693 { 2694 # ifdef RLIMIT_NOFILE 2695 struct rlimit rl; 2696 2697 if (getrlimit(RLIMIT_NOFILE, &rl) >= 0) 2698 return rl.rlim_cur; 2699 # endif /* RLIMIT_NOFILE */ 2700 2701 # if HASGETDTABLESIZE 2702 return getdtablesize(); 2703 # else /* HASGETDTABLESIZE */ 2704 # ifdef _SC_OPEN_MAX 2705 return sysconf(_SC_OPEN_MAX); 2706 # else /* _SC_OPEN_MAX */ 2707 return NOFILE; 2708 # endif /* _SC_OPEN_MAX */ 2709 # endif /* HASGETDTABLESIZE */ 2710 } 2711 /* 2712 ** UNAME -- get the UUCP name of this system. 2713 */ 2714 2715 #if !HASUNAME 2716 2717 int 2718 uname(name) 2719 struct utsname *name; 2720 { 2721 SM_FILE_T *file; 2722 char *n; 2723 2724 name->nodename[0] = '\0'; 2725 2726 /* try /etc/whoami -- one line with the node name */ 2727 if ((file = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, "/etc/whoami", 2728 SM_IO_RDONLY, NULL)) != NULL) 2729 { 2730 (void) sm_io_fgets(file, SM_TIME_DEFAULT, name->nodename, 2731 NODE_LENGTH + 1); 2732 (void) sm_io_close(file, SM_TIME_DEFAULT); 2733 n = strchr(name->nodename, '\n'); 2734 if (n != NULL) 2735 *n = '\0'; 2736 if (name->nodename[0] != '\0') 2737 return 0; 2738 } 2739 2740 /* try /usr/include/whoami.h -- has a #define somewhere */ 2741 if ((file = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, 2742 "/usr/include/whoami.h", SM_IO_RDONLY, NULL)) 2743 != NULL) 2744 { 2745 char buf[MAXLINE]; 2746 2747 while (sm_io_fgets(file, SM_TIME_DEFAULT, buf, MAXLINE) != NULL) 2748 { 2749 if (sm_io_sscanf(buf, "#define sysname \"%*[^\"]\"", 2750 NODE_LENGTH, name->nodename) > 0) 2751 break; 2752 } 2753 (void) sm_io_close(file, SM_TIME_DEFAULT); 2754 if (name->nodename[0] != '\0') 2755 return 0; 2756 } 2757 2758 # if 0 2759 /* 2760 ** Popen is known to have security holes. 2761 */ 2762 2763 /* try uuname -l to return local name */ 2764 if ((file = popen("uuname -l", "r")) != NULL) 2765 { 2766 (void) sm_io_fgets(file, SM_TIME_DEFAULT, name, 2767 NODE_LENGTH + 1); 2768 (void) pclose(file); 2769 n = strchr(name, '\n'); 2770 if (n != NULL) 2771 *n = '\0'; 2772 if (name->nodename[0] != '\0') 2773 return 0; 2774 } 2775 # endif /* 0 */ 2776 2777 return -1; 2778 } 2779 #endif /* !HASUNAME */ 2780 /* 2781 ** INITGROUPS -- initialize groups 2782 ** 2783 ** Stub implementation for System V style systems 2784 */ 2785 2786 #if !HASINITGROUPS 2787 2788 initgroups(name, basegid) 2789 char *name; 2790 int basegid; 2791 { 2792 return 0; 2793 } 2794 2795 #endif /* !HASINITGROUPS */ 2796 /* 2797 ** SETGROUPS -- set group list 2798 ** 2799 ** Stub implementation for systems that don't have group lists 2800 */ 2801 2802 #ifndef NGROUPS_MAX 2803 2804 int 2805 setgroups(ngroups, grouplist) 2806 int ngroups; 2807 GIDSET_T grouplist[]; 2808 { 2809 return 0; 2810 } 2811 2812 #endif /* ! NGROUPS_MAX */ 2813 /* 2814 ** SETSID -- set session id (for non-POSIX systems) 2815 */ 2816 2817 #if !HASSETSID 2818 2819 pid_t 2820 setsid __P ((void)) 2821 { 2822 # ifdef TIOCNOTTY 2823 int fd; 2824 2825 fd = open("/dev/tty", O_RDWR, 0); 2826 if (fd >= 0) 2827 { 2828 (void) ioctl(fd, TIOCNOTTY, (char *) 0); 2829 (void) close(fd); 2830 } 2831 # endif /* TIOCNOTTY */ 2832 # ifdef SYS5SETPGRP 2833 return setpgrp(); 2834 # else /* SYS5SETPGRP */ 2835 return setpgid(0, CurrentPid); 2836 # endif /* SYS5SETPGRP */ 2837 } 2838 2839 #endif /* !HASSETSID */ 2840 /* 2841 ** FSYNC -- dummy fsync 2842 */ 2843 2844 #if NEEDFSYNC 2845 2846 fsync(fd) 2847 int fd; 2848 { 2849 # ifdef O_SYNC 2850 return fcntl(fd, F_SETFL, O_SYNC); 2851 # else /* O_SYNC */ 2852 /* nothing we can do */ 2853 return 0; 2854 # endif /* O_SYNC */ 2855 } 2856 2857 #endif /* NEEDFSYNC */ 2858 /* 2859 ** DGUX_INET_ADDR -- inet_addr for DG/UX 2860 ** 2861 ** Data General DG/UX version of inet_addr returns a struct in_addr 2862 ** instead of a long. This patches things. Only needed on versions 2863 ** prior to 5.4.3. 2864 */ 2865 2866 #ifdef DGUX_5_4_2 2867 2868 # undef inet_addr 2869 2870 long 2871 dgux_inet_addr(host) 2872 char *host; 2873 { 2874 struct in_addr haddr; 2875 2876 haddr = inet_addr(host); 2877 return haddr.s_addr; 2878 } 2879 2880 #endif /* DGUX_5_4_2 */ 2881 /* 2882 ** GETOPT -- for old systems or systems with bogus implementations 2883 */ 2884 2885 #if !SM_CONF_GETOPT 2886 2887 /* 2888 * Copyright (c) 1985 Regents of the University of California. 2889 * All rights reserved. The Berkeley software License Agreement 2890 * specifies the terms and conditions for redistribution. 2891 */ 2892 2893 2894 /* 2895 ** this version hacked to add `atend' flag to allow state machine 2896 ** to reset if invoked by the program to scan args for a 2nd time 2897 */ 2898 2899 # if defined(LIBC_SCCS) && !defined(lint) 2900 static char sccsid[] = "@(#)getopt.c 4.3 (Berkeley) 3/9/86"; 2901 # endif /* defined(LIBC_SCCS) && !defined(lint) */ 2902 2903 /* 2904 ** get option letter from argument vector 2905 */ 2906 # ifdef _CONVEX_SOURCE 2907 extern int optind, opterr, optopt; 2908 extern char *optarg; 2909 # else /* _CONVEX_SOURCE */ 2910 int opterr = 1; /* if error message should be printed */ 2911 int optind = 1; /* index into parent argv vector */ 2912 int optopt = 0; /* character checked for validity */ 2913 char *optarg = NULL; /* argument associated with option */ 2914 # endif /* _CONVEX_SOURCE */ 2915 2916 # define BADCH (int)'?' 2917 # define EMSG "" 2918 # define tell(s) if (opterr) \ 2919 {sm_io_fputs(smioerr, SM_TIME_DEFAULT, *nargv); \ 2920 (void) sm_io_fputs(smioerr, SM_TIME_DEFAULT, s); \ 2921 (void) sm_io_putc(smioerr, SM_TIME_DEFAULT, optopt); \ 2922 (void) sm_io_putc(smioerr, SM_TIME_DEFAULT, '\n'); \ 2923 return BADCH;} 2924 2925 int 2926 getopt(nargc,nargv,ostr) 2927 int nargc; 2928 char *const *nargv; 2929 const char *ostr; 2930 { 2931 static char *place = EMSG; /* option letter processing */ 2932 static char atend = 0; 2933 register char *oli = NULL; /* option letter list index */ 2934 2935 if (atend) { 2936 atend = 0; 2937 place = EMSG; 2938 } 2939 if(!*place) { /* update scanning pointer */ 2940 if (optind >= nargc || *(place = nargv[optind]) != '-' || !*++place) { 2941 atend++; 2942 return -1; 2943 } 2944 if (*place == '-') { /* found "--" */ 2945 ++optind; 2946 atend++; 2947 return -1; 2948 } 2949 } /* option letter okay? */ 2950 if ((optopt = (int)*place++) == (int)':' || !(oli = strchr(ostr,optopt))) { 2951 if (!*place) ++optind; 2952 tell(": illegal option -- "); 2953 } 2954 if (oli && *++oli != ':') { /* don't need argument */ 2955 optarg = NULL; 2956 if (!*place) ++optind; 2957 } 2958 else { /* need an argument */ 2959 if (*place) optarg = place; /* no white space */ 2960 else if (nargc <= ++optind) { /* no arg */ 2961 place = EMSG; 2962 tell(": option requires an argument -- "); 2963 } 2964 else optarg = nargv[optind]; /* white space */ 2965 place = EMSG; 2966 ++optind; 2967 } 2968 return optopt; /* dump back option letter */ 2969 } 2970 2971 #endif /* !SM_CONF_GETOPT */ 2972 /* 2973 ** USERSHELLOK -- tell if a user's shell is ok for unrestricted use 2974 ** 2975 ** Parameters: 2976 ** user -- the name of the user we are checking. 2977 ** shell -- the user's shell from /etc/passwd 2978 ** 2979 ** Returns: 2980 ** true -- if it is ok to use this for unrestricted access. 2981 ** false -- if the shell is restricted. 2982 */ 2983 2984 #if !HASGETUSERSHELL 2985 2986 # ifndef _PATH_SHELLS 2987 # define _PATH_SHELLS "/etc/shells" 2988 # endif /* ! _PATH_SHELLS */ 2989 2990 # if defined(_AIX3) || defined(_AIX4) 2991 # include <userconf.h> 2992 # if _AIX4 >= 40200 2993 # include <userpw.h> 2994 # endif /* _AIX4 >= 40200 */ 2995 # include <usersec.h> 2996 # endif /* defined(_AIX3) || defined(_AIX4) */ 2997 2998 static char *DefaultUserShells[] = 2999 { 3000 "/bin/sh", /* standard shell */ 3001 # ifdef MPE 3002 "/SYS/PUB/CI", 3003 # else /* MPE */ 3004 "/usr/bin/sh", 3005 "/bin/csh", /* C shell */ 3006 "/usr/bin/csh", 3007 # endif /* MPE */ 3008 # ifdef __hpux 3009 # ifdef V4FS 3010 "/usr/bin/rsh", /* restricted Bourne shell */ 3011 "/usr/bin/ksh", /* Korn shell */ 3012 "/usr/bin/rksh", /* restricted Korn shell */ 3013 "/usr/bin/pam", 3014 "/usr/bin/keysh", /* key shell (extended Korn shell) */ 3015 "/usr/bin/posix/sh", 3016 # else /* V4FS */ 3017 "/bin/rsh", /* restricted Bourne shell */ 3018 "/bin/ksh", /* Korn shell */ 3019 "/bin/rksh", /* restricted Korn shell */ 3020 "/bin/pam", 3021 "/usr/bin/keysh", /* key shell (extended Korn shell) */ 3022 "/bin/posix/sh", 3023 "/sbin/sh" 3024 # endif /* V4FS */ 3025 # endif /* __hpux */ 3026 # if defined(_AIX3) || defined(_AIX4) 3027 "/bin/ksh", /* Korn shell */ 3028 "/usr/bin/ksh", 3029 "/bin/tsh", /* trusted shell */ 3030 "/usr/bin/tsh", 3031 "/bin/bsh", /* Bourne shell */ 3032 "/usr/bin/bsh", 3033 # endif /* defined(_AIX3) || defined(_AIX4) */ 3034 # if defined(__svr4__) || defined(__svr5__) 3035 "/bin/ksh", /* Korn shell */ 3036 "/usr/bin/ksh", 3037 # endif /* defined(__svr4__) || defined(__svr5__) */ 3038 # ifdef sgi 3039 "/sbin/sh", /* SGI's shells really live in /sbin */ 3040 "/sbin/csh", 3041 "/bin/ksh", /* Korn shell */ 3042 "/sbin/ksh", 3043 "/usr/bin/ksh", 3044 "/bin/tcsh", /* Extended csh */ 3045 "/usr/bin/tcsh", 3046 # endif /* sgi */ 3047 NULL 3048 }; 3049 3050 #endif /* !HASGETUSERSHELL */ 3051 3052 #define WILDCARD_SHELL "/SENDMAIL/ANY/SHELL/" 3053 3054 bool 3055 usershellok(user, shell) 3056 char *user; 3057 char *shell; 3058 { 3059 # if HASGETUSERSHELL 3060 register char *p; 3061 extern char *getusershell(); 3062 3063 if (shell == NULL || shell[0] == '\0' || wordinclass(user, 't') || 3064 ConfigLevel <= 1) 3065 return true; 3066 3067 setusershell(); 3068 while ((p = getusershell()) != NULL) 3069 if (strcmp(p, shell) == 0 || strcmp(p, WILDCARD_SHELL) == 0) 3070 break; 3071 endusershell(); 3072 return p != NULL; 3073 # else /* HASGETUSERSHELL */ 3074 # if USEGETCONFATTR 3075 auto char *v; 3076 # endif /* USEGETCONFATTR */ 3077 register SM_FILE_T *shellf; 3078 char buf[MAXLINE]; 3079 3080 if (shell == NULL || shell[0] == '\0' || wordinclass(user, 't') || 3081 ConfigLevel <= 1) 3082 return true; 3083 3084 # if USEGETCONFATTR 3085 /* 3086 ** Naturally IBM has a "better" idea..... 3087 ** 3088 ** What a crock. This interface isn't documented, it is 3089 ** considered part of the security library (-ls), and it 3090 ** only works if you are running as root (since the list 3091 ** of valid shells is obviously a source of great concern). 3092 ** I recommend that you do NOT define USEGETCONFATTR, 3093 ** especially since you are going to have to set up an 3094 ** /etc/shells anyhow to handle the cases where getconfattr 3095 ** fails. 3096 */ 3097 3098 if (getconfattr(SC_SYS_LOGIN, SC_SHELLS, &v, SEC_LIST) == 0 && v != NULL) 3099 { 3100 while (*v != '\0') 3101 { 3102 if (strcmp(v, shell) == 0 || strcmp(v, WILDCARD_SHELL) == 0) 3103 return true; 3104 v += strlen(v) + 1; 3105 } 3106 return false; 3107 } 3108 # endif /* USEGETCONFATTR */ 3109 3110 shellf = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, _PATH_SHELLS, 3111 SM_IO_RDONLY, NULL); 3112 if (shellf == NULL) 3113 { 3114 /* no /etc/shells; see if it is one of the std shells */ 3115 char **d; 3116 3117 if (errno != ENOENT && LogLevel > 3) 3118 sm_syslog(LOG_ERR, NOQID, 3119 "usershellok: cannot open %s: %s", 3120 _PATH_SHELLS, sm_errstring(errno)); 3121 3122 for (d = DefaultUserShells; *d != NULL; d++) 3123 { 3124 if (strcmp(shell, *d) == 0) 3125 return true; 3126 } 3127 return false; 3128 } 3129 3130 while (sm_io_fgets(shellf, SM_TIME_DEFAULT, buf, sizeof buf) != NULL) 3131 { 3132 register char *p, *q; 3133 3134 p = buf; 3135 while (*p != '\0' && *p != '#' && *p != '/') 3136 p++; 3137 if (*p == '#' || *p == '\0') 3138 continue; 3139 q = p; 3140 while (*p != '\0' && *p != '#' && !(isascii(*p) && isspace(*p))) 3141 p++; 3142 *p = '\0'; 3143 if (strcmp(shell, q) == 0 || strcmp(WILDCARD_SHELL, q) == 0) 3144 { 3145 (void) sm_io_close(shellf, SM_TIME_DEFAULT); 3146 return true; 3147 } 3148 } 3149 (void) sm_io_close(shellf, SM_TIME_DEFAULT); 3150 return false; 3151 # endif /* HASGETUSERSHELL */ 3152 } 3153 /* 3154 ** FREEDISKSPACE -- see how much free space is on the queue filesystem 3155 ** 3156 ** Only implemented if you have statfs. 3157 ** 3158 ** Parameters: 3159 ** dir -- the directory in question. 3160 ** bsize -- a variable into which the filesystem 3161 ** block size is stored. 3162 ** 3163 ** Returns: 3164 ** The number of blocks free on the queue filesystem. 3165 ** -1 if the statfs call fails. 3166 ** 3167 ** Side effects: 3168 ** Puts the filesystem block size into bsize. 3169 */ 3170 3171 /* statfs types */ 3172 # define SFS_NONE 0 /* no statfs implementation */ 3173 # define SFS_USTAT 1 /* use ustat */ 3174 # define SFS_4ARGS 2 /* use four-argument statfs call */ 3175 # define SFS_VFS 3 /* use <sys/vfs.h> implementation */ 3176 # define SFS_MOUNT 4 /* use <sys/mount.h> implementation */ 3177 # define SFS_STATFS 5 /* use <sys/statfs.h> implementation */ 3178 # define SFS_STATVFS 6 /* use <sys/statvfs.h> implementation */ 3179 3180 # ifndef SFS_TYPE 3181 # define SFS_TYPE SFS_NONE 3182 # endif /* ! SFS_TYPE */ 3183 3184 # if SFS_TYPE == SFS_USTAT 3185 # include <ustat.h> 3186 # endif /* SFS_TYPE == SFS_USTAT */ 3187 # if SFS_TYPE == SFS_4ARGS || SFS_TYPE == SFS_STATFS 3188 # include <sys/statfs.h> 3189 # endif /* SFS_TYPE == SFS_4ARGS || SFS_TYPE == SFS_STATFS */ 3190 # if SFS_TYPE == SFS_VFS 3191 # include <sys/vfs.h> 3192 # endif /* SFS_TYPE == SFS_VFS */ 3193 # if SFS_TYPE == SFS_MOUNT 3194 # include <sys/mount.h> 3195 # endif /* SFS_TYPE == SFS_MOUNT */ 3196 # if SFS_TYPE == SFS_STATVFS 3197 # include <sys/statvfs.h> 3198 # endif /* SFS_TYPE == SFS_STATVFS */ 3199 3200 long 3201 freediskspace(dir, bsize) 3202 char *dir; 3203 long *bsize; 3204 { 3205 # if SFS_TYPE == SFS_NONE 3206 if (bsize != NULL) 3207 *bsize = 4096L; 3208 3209 /* assume free space is plentiful */ 3210 return (long) LONG_MAX; 3211 # else /* SFS_TYPE == SFS_NONE */ 3212 # if SFS_TYPE == SFS_USTAT 3213 struct ustat fs; 3214 struct stat statbuf; 3215 # define FSBLOCKSIZE DEV_BSIZE 3216 # define SFS_BAVAIL f_tfree 3217 # else /* SFS_TYPE == SFS_USTAT */ 3218 # if defined(ultrix) 3219 struct fs_data fs; 3220 # define SFS_BAVAIL fd_bfreen 3221 # define FSBLOCKSIZE 1024L 3222 # else /* defined(ultrix) */ 3223 # if SFS_TYPE == SFS_STATVFS 3224 struct statvfs fs; 3225 # define FSBLOCKSIZE fs.f_frsize 3226 # else /* SFS_TYPE == SFS_STATVFS */ 3227 struct statfs fs; 3228 # define FSBLOCKSIZE fs.f_bsize 3229 # endif /* SFS_TYPE == SFS_STATVFS */ 3230 # endif /* defined(ultrix) */ 3231 # endif /* SFS_TYPE == SFS_USTAT */ 3232 # ifndef SFS_BAVAIL 3233 # define SFS_BAVAIL f_bavail 3234 # endif /* ! SFS_BAVAIL */ 3235 3236 # if SFS_TYPE == SFS_USTAT 3237 if (stat(dir, &statbuf) == 0 && ustat(statbuf.st_dev, &fs) == 0) 3238 # else /* SFS_TYPE == SFS_USTAT */ 3239 # if SFS_TYPE == SFS_4ARGS 3240 if (statfs(dir, &fs, sizeof fs, 0) == 0) 3241 # else /* SFS_TYPE == SFS_4ARGS */ 3242 # if SFS_TYPE == SFS_STATVFS 3243 if (statvfs(dir, &fs) == 0) 3244 # else /* SFS_TYPE == SFS_STATVFS */ 3245 # if defined(ultrix) 3246 if (statfs(dir, &fs) > 0) 3247 # else /* defined(ultrix) */ 3248 if (statfs(dir, &fs) == 0) 3249 # endif /* defined(ultrix) */ 3250 # endif /* SFS_TYPE == SFS_STATVFS */ 3251 # endif /* SFS_TYPE == SFS_4ARGS */ 3252 # endif /* SFS_TYPE == SFS_USTAT */ 3253 { 3254 if (bsize != NULL) 3255 *bsize = FSBLOCKSIZE; 3256 if (fs.SFS_BAVAIL <= 0) 3257 return 0; 3258 else if (fs.SFS_BAVAIL > LONG_MAX) 3259 return (long) LONG_MAX; 3260 else 3261 return (long) fs.SFS_BAVAIL; 3262 } 3263 return -1; 3264 # endif /* SFS_TYPE == SFS_NONE */ 3265 } 3266 /* 3267 ** ENOUGHDISKSPACE -- is there enough free space on the queue file systems? 3268 ** 3269 ** Parameters: 3270 ** msize -- the size to check against. If zero, we don't yet 3271 ** know how big the message will be, so just check for 3272 ** a "reasonable" amount. 3273 ** e -- envelope, or NULL -- controls logging 3274 ** 3275 ** Returns: 3276 ** true if in every queue group there is at least one 3277 ** queue directory whose file system contains enough free space. 3278 ** false otherwise. 3279 ** 3280 ** Side Effects: 3281 ** If there is not enough disk space and e != NULL 3282 ** then sm_syslog is called. 3283 */ 3284 3285 bool 3286 enoughdiskspace(msize, e) 3287 long msize; 3288 ENVELOPE *e; 3289 { 3290 int i; 3291 3292 if (MinBlocksFree <= 0 && msize <= 0) 3293 { 3294 if (tTd(4, 80)) 3295 sm_dprintf("enoughdiskspace: no threshold\n"); 3296 return true; 3297 } 3298 3299 filesys_update(); 3300 for (i = 0; i < NumQueue; ++i) 3301 { 3302 if (pickqdir(Queue[i], msize, e) < 0) 3303 return false; 3304 } 3305 return true; 3306 } 3307 /* 3308 ** TRANSIENTERROR -- tell if an error code indicates a transient failure 3309 ** 3310 ** This looks at an errno value and tells if this is likely to 3311 ** go away if retried later. 3312 ** 3313 ** Parameters: 3314 ** err -- the errno code to classify. 3315 ** 3316 ** Returns: 3317 ** true if this is probably transient. 3318 ** false otherwise. 3319 */ 3320 3321 bool 3322 transienterror(err) 3323 int err; 3324 { 3325 switch (err) 3326 { 3327 case EIO: /* I/O error */ 3328 case ENXIO: /* Device not configured */ 3329 case EAGAIN: /* Resource temporarily unavailable */ 3330 case ENOMEM: /* Cannot allocate memory */ 3331 case ENODEV: /* Operation not supported by device */ 3332 case ENFILE: /* Too many open files in system */ 3333 case EMFILE: /* Too many open files */ 3334 case ENOSPC: /* No space left on device */ 3335 case ETIMEDOUT: /* Connection timed out */ 3336 #ifdef ESTALE 3337 case ESTALE: /* Stale NFS file handle */ 3338 #endif /* ESTALE */ 3339 #ifdef ENETDOWN 3340 case ENETDOWN: /* Network is down */ 3341 #endif /* ENETDOWN */ 3342 #ifdef ENETUNREACH 3343 case ENETUNREACH: /* Network is unreachable */ 3344 #endif /* ENETUNREACH */ 3345 #ifdef ENETRESET 3346 case ENETRESET: /* Network dropped connection on reset */ 3347 #endif /* ENETRESET */ 3348 #ifdef ECONNABORTED 3349 case ECONNABORTED: /* Software caused connection abort */ 3350 #endif /* ECONNABORTED */ 3351 #ifdef ECONNRESET 3352 case ECONNRESET: /* Connection reset by peer */ 3353 #endif /* ECONNRESET */ 3354 #ifdef ENOBUFS 3355 case ENOBUFS: /* No buffer space available */ 3356 #endif /* ENOBUFS */ 3357 #ifdef ESHUTDOWN 3358 case ESHUTDOWN: /* Can't send after socket shutdown */ 3359 #endif /* ESHUTDOWN */ 3360 #ifdef ECONNREFUSED 3361 case ECONNREFUSED: /* Connection refused */ 3362 #endif /* ECONNREFUSED */ 3363 #ifdef EHOSTDOWN 3364 case EHOSTDOWN: /* Host is down */ 3365 #endif /* EHOSTDOWN */ 3366 #ifdef EHOSTUNREACH 3367 case EHOSTUNREACH: /* No route to host */ 3368 #endif /* EHOSTUNREACH */ 3369 #ifdef EDQUOT 3370 case EDQUOT: /* Disc quota exceeded */ 3371 #endif /* EDQUOT */ 3372 #ifdef EPROCLIM 3373 case EPROCLIM: /* Too many processes */ 3374 #endif /* EPROCLIM */ 3375 #ifdef EUSERS 3376 case EUSERS: /* Too many users */ 3377 #endif /* EUSERS */ 3378 #ifdef EDEADLK 3379 case EDEADLK: /* Resource deadlock avoided */ 3380 #endif /* EDEADLK */ 3381 #ifdef EISCONN 3382 case EISCONN: /* Socket already connected */ 3383 #endif /* EISCONN */ 3384 #ifdef EINPROGRESS 3385 case EINPROGRESS: /* Operation now in progress */ 3386 #endif /* EINPROGRESS */ 3387 #ifdef EALREADY 3388 case EALREADY: /* Operation already in progress */ 3389 #endif /* EALREADY */ 3390 #ifdef EADDRINUSE 3391 case EADDRINUSE: /* Address already in use */ 3392 #endif /* EADDRINUSE */ 3393 #ifdef EADDRNOTAVAIL 3394 case EADDRNOTAVAIL: /* Can't assign requested address */ 3395 #endif /* EADDRNOTAVAIL */ 3396 #ifdef ETXTBSY 3397 case ETXTBSY: /* (Apollo) file locked */ 3398 #endif /* ETXTBSY */ 3399 #if defined(ENOSR) && (!defined(ENOBUFS) || (ENOBUFS != ENOSR)) 3400 case ENOSR: /* Out of streams resources */ 3401 #endif /* defined(ENOSR) && (!defined(ENOBUFS) || (ENOBUFS != ENOSR)) */ 3402 #ifdef ENOLCK 3403 case ENOLCK: /* No locks available */ 3404 #endif /* ENOLCK */ 3405 case E_SM_OPENTIMEOUT: /* PSEUDO: open timed out */ 3406 return true; 3407 } 3408 3409 /* nope, must be permanent */ 3410 return false; 3411 } 3412 /* 3413 ** LOCKFILE -- lock a file using flock or (shudder) fcntl locking 3414 ** 3415 ** Parameters: 3416 ** fd -- the file descriptor of the file. 3417 ** filename -- the file name (for error messages). 3418 ** ext -- the filename extension. 3419 ** type -- type of the lock. Bits can be: 3420 ** LOCK_EX -- exclusive lock. 3421 ** LOCK_NB -- non-blocking. 3422 ** LOCK_UN -- unlock. 3423 ** 3424 ** Returns: 3425 ** true if the lock was acquired. 3426 ** false otherwise. 3427 */ 3428 3429 bool 3430 lockfile(fd, filename, ext, type) 3431 int fd; 3432 char *filename; 3433 char *ext; 3434 int type; 3435 { 3436 int i; 3437 int save_errno; 3438 # if !HASFLOCK 3439 int action; 3440 struct flock lfd; 3441 3442 if (ext == NULL) 3443 ext = ""; 3444 3445 memset(&lfd, '\0', sizeof lfd); 3446 if (bitset(LOCK_UN, type)) 3447 lfd.l_type = F_UNLCK; 3448 else if (bitset(LOCK_EX, type)) 3449 lfd.l_type = F_WRLCK; 3450 else 3451 lfd.l_type = F_RDLCK; 3452 3453 if (bitset(LOCK_NB, type)) 3454 action = F_SETLK; 3455 else 3456 action = F_SETLKW; 3457 3458 if (tTd(55, 60)) 3459 sm_dprintf("lockfile(%s%s, action=%d, type=%d): ", 3460 filename, ext, action, lfd.l_type); 3461 3462 while ((i = fcntl(fd, action, &lfd)) < 0 && errno == EINTR) 3463 continue; 3464 if (i >= 0) 3465 { 3466 if (tTd(55, 60)) 3467 sm_dprintf("SUCCESS\n"); 3468 return true; 3469 } 3470 save_errno = errno; 3471 3472 if (tTd(55, 60)) 3473 sm_dprintf("(%s) ", sm_errstring(save_errno)); 3474 3475 /* 3476 ** On SunOS, if you are testing using -oQ/tmp/mqueue or 3477 ** -oA/tmp/aliases or anything like that, and /tmp is mounted 3478 ** as type "tmp" (that is, served from swap space), the 3479 ** previous fcntl will fail with "Invalid argument" errors. 3480 ** Since this is fairly common during testing, we will assume 3481 ** that this indicates that the lock is successfully grabbed. 3482 */ 3483 3484 if (save_errno == EINVAL) 3485 { 3486 if (tTd(55, 60)) 3487 sm_dprintf("SUCCESS\n"); 3488 return true; 3489 } 3490 3491 if (!bitset(LOCK_NB, type) || 3492 (save_errno != EACCES && save_errno != EAGAIN)) 3493 { 3494 int omode = fcntl(fd, F_GETFL, 0); 3495 uid_t euid = geteuid(); 3496 3497 errno = save_errno; 3498 syserr("cannot lockf(%s%s, fd=%d, type=%o, omode=%o, euid=%d)", 3499 filename, ext, fd, type, omode, euid); 3500 dumpfd(fd, true, true); 3501 } 3502 # else /* !HASFLOCK */ 3503 if (ext == NULL) 3504 ext = ""; 3505 3506 if (tTd(55, 60)) 3507 sm_dprintf("lockfile(%s%s, type=%o): ", filename, ext, type); 3508 3509 while ((i = flock(fd, type)) < 0 && errno == EINTR) 3510 continue; 3511 if (i >= 0) 3512 { 3513 if (tTd(55, 60)) 3514 sm_dprintf("SUCCESS\n"); 3515 return true; 3516 } 3517 save_errno = errno; 3518 3519 if (tTd(55, 60)) 3520 sm_dprintf("(%s) ", sm_errstring(save_errno)); 3521 3522 if (!bitset(LOCK_NB, type) || save_errno != EWOULDBLOCK) 3523 { 3524 int omode = fcntl(fd, F_GETFL, 0); 3525 uid_t euid = geteuid(); 3526 3527 errno = save_errno; 3528 syserr("cannot flock(%s%s, fd=%d, type=%o, omode=%o, euid=%d)", 3529 filename, ext, fd, type, omode, euid); 3530 dumpfd(fd, true, true); 3531 } 3532 # endif /* !HASFLOCK */ 3533 if (tTd(55, 60)) 3534 sm_dprintf("FAIL\n"); 3535 errno = save_errno; 3536 return false; 3537 } 3538 /* 3539 ** CHOWNSAFE -- tell if chown is "safe" (executable only by root) 3540 ** 3541 ** Unfortunately, given that we can't predict other systems on which 3542 ** a remote mounted (NFS) filesystem will be mounted, the answer is 3543 ** almost always that this is unsafe. 3544 ** 3545 ** Note also that many operating systems have non-compliant 3546 ** implementations of the _POSIX_CHOWN_RESTRICTED variable and the 3547 ** fpathconf() routine. According to IEEE 1003.1-1990, if 3548 ** _POSIX_CHOWN_RESTRICTED is defined and not equal to -1, then 3549 ** no non-root process can give away the file. However, vendors 3550 ** don't take NFS into account, so a comfortable value of 3551 ** _POSIX_CHOWN_RESTRICTED tells us nothing. 3552 ** 3553 ** Also, some systems (e.g., IRIX 6.2) return 1 from fpathconf() 3554 ** even on files where chown is not restricted. Many systems get 3555 ** this wrong on NFS-based filesystems (that is, they say that chown 3556 ** is restricted [safe] on NFS filesystems where it may not be, since 3557 ** other systems can access the same filesystem and do file giveaway; 3558 ** only the NFS server knows for sure!) Hence, it is important to 3559 ** get the value of SAFENFSPATHCONF correct -- it should be defined 3560 ** _only_ after testing (see test/t_pathconf.c) a system on an unsafe 3561 ** NFS-based filesystem to ensure that you can get meaningful results. 3562 ** If in doubt, assume unsafe! 3563 ** 3564 ** You may also need to tweak IS_SAFE_CHOWN -- it should be a 3565 ** condition indicating whether the return from pathconf indicates 3566 ** that chown is safe (typically either > 0 or >= 0 -- there isn't 3567 ** even any agreement about whether a zero return means that a file 3568 ** is or is not safe). It defaults to "> 0". 3569 ** 3570 ** If the parent directory is safe (writable only by owner back 3571 ** to the root) then we can relax slightly and trust fpathconf 3572 ** in more circumstances. This is really a crock -- if this is an 3573 ** NFS mounted filesystem then we really know nothing about the 3574 ** underlying implementation. However, most systems pessimize and 3575 ** return an error (EINVAL or EOPNOTSUPP) on NFS filesystems, which 3576 ** we interpret as unsafe, as we should. Thus, this heuristic gets 3577 ** us into a possible problem only on systems that have a broken 3578 ** pathconf implementation and which are also poorly configured 3579 ** (have :include: files in group- or world-writable directories). 3580 ** 3581 ** Parameters: 3582 ** fd -- the file descriptor to check. 3583 ** safedir -- set if the parent directory is safe. 3584 ** 3585 ** Returns: 3586 ** true -- if the chown(2) operation is "safe" -- that is, 3587 ** only root can chown the file to an arbitrary user. 3588 ** false -- if an arbitrary user can give away a file. 3589 */ 3590 3591 #ifndef IS_SAFE_CHOWN 3592 # define IS_SAFE_CHOWN > 0 3593 #endif /* ! IS_SAFE_CHOWN */ 3594 3595 bool 3596 chownsafe(fd, safedir) 3597 int fd; 3598 bool safedir; 3599 { 3600 # if (!defined(_POSIX_CHOWN_RESTRICTED) || _POSIX_CHOWN_RESTRICTED != -1) && \ 3601 (defined(_PC_CHOWN_RESTRICTED) || defined(_GNU_TYPES_H)) 3602 int rval; 3603 3604 /* give the system administrator a chance to override */ 3605 if (bitnset(DBS_ASSUMESAFECHOWN, DontBlameSendmail)) 3606 return true; 3607 3608 /* 3609 ** Some systems (e.g., SunOS) seem to have the call and the 3610 ** #define _PC_CHOWN_RESTRICTED, but don't actually implement 3611 ** the call. This heuristic checks for that. 3612 */ 3613 3614 errno = 0; 3615 rval = fpathconf(fd, _PC_CHOWN_RESTRICTED); 3616 # if SAFENFSPATHCONF 3617 return errno == 0 && rval IS_SAFE_CHOWN; 3618 # else /* SAFENFSPATHCONF */ 3619 return safedir && errno == 0 && rval IS_SAFE_CHOWN; 3620 # endif /* SAFENFSPATHCONF */ 3621 # else /* (!defined(_POSIX_CHOWN_RESTRICTED) || _POSIX_CHOWN_RESTRICTED != -1) && ... */ 3622 return bitnset(DBS_ASSUMESAFECHOWN, DontBlameSendmail); 3623 # endif /* (!defined(_POSIX_CHOWN_RESTRICTED) || _POSIX_CHOWN_RESTRICTED != -1) && ... */ 3624 } 3625 /* 3626 ** RESETLIMITS -- reset system controlled resource limits 3627 ** 3628 ** This is to avoid denial-of-service attacks 3629 ** 3630 ** Parameters: 3631 ** none 3632 ** 3633 ** Returns: 3634 ** none 3635 */ 3636 3637 #if HASSETRLIMIT 3638 # ifdef RLIMIT_NEEDS_SYS_TIME_H 3639 # include <sys/time.h> 3640 # endif /* RLIMIT_NEEDS_SYS_TIME_H */ 3641 # include <sys/resource.h> 3642 #endif /* HASSETRLIMIT */ 3643 #ifndef FD_SETSIZE 3644 # define FD_SETSIZE 256 3645 #endif /* ! FD_SETSIZE */ 3646 3647 void 3648 resetlimits() 3649 { 3650 #if HASSETRLIMIT 3651 struct rlimit lim; 3652 3653 lim.rlim_cur = lim.rlim_max = RLIM_INFINITY; 3654 (void) setrlimit(RLIMIT_CPU, &lim); 3655 (void) setrlimit(RLIMIT_FSIZE, &lim); 3656 # ifdef RLIMIT_NOFILE 3657 lim.rlim_cur = lim.rlim_max = FD_SETSIZE; 3658 (void) setrlimit(RLIMIT_NOFILE, &lim); 3659 # endif /* RLIMIT_NOFILE */ 3660 #else /* HASSETRLIMIT */ 3661 # if HASULIMIT 3662 (void) ulimit(2, 0x3fffff); 3663 (void) ulimit(4, FD_SETSIZE); 3664 # endif /* HASULIMIT */ 3665 #endif /* HASSETRLIMIT */ 3666 errno = 0; 3667 } 3668 /* 3669 ** SETVENDOR -- process vendor code from V configuration line 3670 ** 3671 ** Parameters: 3672 ** vendor -- string representation of vendor. 3673 ** 3674 ** Returns: 3675 ** true -- if ok. 3676 ** false -- if vendor code could not be processed. 3677 ** 3678 ** Side Effects: 3679 ** It is reasonable to set mode flags here to tweak 3680 ** processing in other parts of the code if necessary. 3681 ** For example, if you are a vendor that uses $%y to 3682 ** indicate YP lookups, you could enable that here. 3683 */ 3684 3685 bool 3686 setvendor(vendor) 3687 char *vendor; 3688 { 3689 if (sm_strcasecmp(vendor, "Berkeley") == 0) 3690 { 3691 VendorCode = VENDOR_BERKELEY; 3692 return true; 3693 } 3694 3695 /* add vendor extensions here */ 3696 3697 #ifdef SUN_EXTENSIONS 3698 if (sm_strcasecmp(vendor, "Sun") == 0) 3699 { 3700 VendorCode = VENDOR_SUN; 3701 return true; 3702 } 3703 #endif /* SUN_EXTENSIONS */ 3704 3705 #if defined(VENDOR_NAME) && defined(VENDOR_CODE) 3706 if (sm_strcasecmp(vendor, VENDOR_NAME) == 0) 3707 { 3708 VendorCode = VENDOR_CODE; 3709 return true; 3710 } 3711 #endif /* defined(VENDOR_NAME) && defined(VENDOR_CODE) */ 3712 3713 return false; 3714 } 3715 /* 3716 ** GETVENDOR -- return vendor name based on vendor code 3717 ** 3718 ** Parameters: 3719 ** vendorcode -- numeric representation of vendor. 3720 ** 3721 ** Returns: 3722 ** string containing vendor name. 3723 */ 3724 3725 char * 3726 getvendor(vendorcode) 3727 int vendorcode; 3728 { 3729 #if defined(VENDOR_NAME) && defined(VENDOR_CODE) 3730 /* 3731 ** Can't have the same switch case twice so need to 3732 ** handle VENDOR_CODE outside of switch. It might 3733 ** match one of the existing VENDOR_* codes. 3734 */ 3735 3736 if (vendorcode == VENDOR_CODE) 3737 return VENDOR_NAME; 3738 #endif /* defined(VENDOR_NAME) && defined(VENDOR_CODE) */ 3739 3740 switch (vendorcode) 3741 { 3742 case VENDOR_BERKELEY: 3743 return "Berkeley"; 3744 3745 case VENDOR_SUN: 3746 return "Sun"; 3747 3748 case VENDOR_HP: 3749 return "HP"; 3750 3751 case VENDOR_IBM: 3752 return "IBM"; 3753 3754 case VENDOR_SENDMAIL: 3755 return "Sendmail"; 3756 3757 default: 3758 return "Unknown"; 3759 } 3760 } 3761 /* 3762 ** VENDOR_PRE_DEFAULTS, VENDOR_POST_DEFAULTS -- set vendor-specific defaults 3763 ** 3764 ** Vendor_pre_defaults is called before reading the configuration 3765 ** file; vendor_post_defaults is called immediately after. 3766 ** 3767 ** Parameters: 3768 ** e -- the global environment to initialize. 3769 ** 3770 ** Returns: 3771 ** none. 3772 */ 3773 3774 #if SHARE_V1 3775 int DefShareUid; /* default share uid to run as -- unused??? */ 3776 #endif /* SHARE_V1 */ 3777 3778 void 3779 vendor_pre_defaults(e) 3780 ENVELOPE *e; 3781 { 3782 #if SHARE_V1 3783 /* OTHERUID is defined in shares.h, do not be alarmed */ 3784 DefShareUid = OTHERUID; 3785 #endif /* SHARE_V1 */ 3786 #if defined(SUN_EXTENSIONS) && defined(SUN_DEFAULT_VALUES) 3787 sun_pre_defaults(e); 3788 #endif /* defined(SUN_EXTENSIONS) && defined(SUN_DEFAULT_VALUES) */ 3789 #ifdef apollo 3790 /* 3791 ** stupid domain/os can't even open 3792 ** /etc/mail/sendmail.cf without this 3793 */ 3794 3795 setuserenv("ISP", NULL); 3796 setuserenv("SYSTYPE", NULL); 3797 #endif /* apollo */ 3798 } 3799 3800 3801 void 3802 vendor_post_defaults(e) 3803 ENVELOPE *e; 3804 { 3805 #ifdef __QNX__ 3806 char *p; 3807 3808 /* Makes sure the SOCK environment variable remains */ 3809 if (p = getextenv("SOCK")) 3810 setuserenv("SOCK", p); 3811 #endif /* __QNX__ */ 3812 #if defined(SUN_EXTENSIONS) && defined(SUN_DEFAULT_VALUES) 3813 sun_post_defaults(e); 3814 #endif /* defined(SUN_EXTENSIONS) && defined(SUN_DEFAULT_VALUES) */ 3815 } 3816 /* 3817 ** VENDOR_DAEMON_SETUP -- special vendor setup needed for daemon mode 3818 */ 3819 3820 void 3821 vendor_daemon_setup(e) 3822 ENVELOPE *e; 3823 { 3824 #if HASSETLOGIN 3825 (void) setlogin(RunAsUserName); 3826 #endif /* HASSETLOGIN */ 3827 #if SECUREWARE 3828 if (getluid() != -1) 3829 { 3830 usrerr("Daemon cannot have LUID"); 3831 finis(false, true, EX_USAGE); 3832 } 3833 #endif /* SECUREWARE */ 3834 } 3835 /* 3836 ** VENDOR_SET_UID -- do setup for setting a user id 3837 ** 3838 ** This is called when we are still root. 3839 ** 3840 ** Parameters: 3841 ** uid -- the uid we are about to become. 3842 ** 3843 ** Returns: 3844 ** none. 3845 */ 3846 3847 void 3848 vendor_set_uid(uid) 3849 UID_T uid; 3850 { 3851 /* 3852 ** We need to setup the share groups (lnodes) 3853 ** and add auditing information (luid's) 3854 ** before we loose our ``root''ness. 3855 */ 3856 #if SHARE_V1 3857 if (setupshares(uid, syserr) != 0) 3858 syserr("Unable to set up shares"); 3859 #endif /* SHARE_V1 */ 3860 #if SECUREWARE 3861 (void) setup_secure(uid); 3862 #endif /* SECUREWARE */ 3863 } 3864 /* 3865 ** VALIDATE_CONNECTION -- check connection for rationality 3866 ** 3867 ** If the connection is rejected, this routine should log an 3868 ** appropriate message -- but should never issue any SMTP protocol. 3869 ** 3870 ** Parameters: 3871 ** sap -- a pointer to a SOCKADDR naming the peer. 3872 ** hostname -- the name corresponding to sap. 3873 ** e -- the current envelope. 3874 ** 3875 ** Returns: 3876 ** error message from rejection. 3877 ** NULL if not rejected. 3878 */ 3879 3880 #if TCPWRAPPERS 3881 # include <tcpd.h> 3882 3883 /* tcpwrappers does no logging, but you still have to declare these -- ugh */ 3884 int allow_severity = LOG_INFO; 3885 int deny_severity = LOG_NOTICE; 3886 #endif /* TCPWRAPPERS */ 3887 3888 char * 3889 validate_connection(sap, hostname, e) 3890 SOCKADDR *sap; 3891 char *hostname; 3892 ENVELOPE *e; 3893 { 3894 #if TCPWRAPPERS 3895 char *host; 3896 char *addr; 3897 extern int hosts_ctl(); 3898 #endif /* TCPWRAPPERS */ 3899 3900 if (tTd(48, 3)) 3901 sm_dprintf("validate_connection(%s, %s)\n", 3902 hostname, anynet_ntoa(sap)); 3903 3904 if (rscheck("check_relay", hostname, anynet_ntoa(sap), 3905 e, true, true, 3, NULL, NOQID) != EX_OK) 3906 { 3907 static char reject[BUFSIZ*2]; 3908 extern char MsgBuf[]; 3909 3910 if (tTd(48, 4)) 3911 sm_dprintf(" ... validate_connection: BAD (rscheck)\n"); 3912 3913 if (strlen(MsgBuf) >= 3) 3914 (void) sm_strlcpy(reject, MsgBuf, sizeof reject); 3915 else 3916 (void) sm_strlcpy(reject, "Access denied", sizeof reject); 3917 3918 return reject; 3919 } 3920 3921 #if TCPWRAPPERS 3922 if (hostname[0] == '[' && hostname[strlen(hostname) - 1] == ']') 3923 host = "unknown"; 3924 else 3925 host = hostname; 3926 addr = anynet_ntoa(sap); 3927 3928 # if NETINET6 3929 /* TCP/Wrappers don't want the IPv6: protocol label */ 3930 if (addr != NULL && sm_strncasecmp(addr, "IPv6:", 5) == 0) 3931 addr += 5; 3932 # endif /* NETINET6 */ 3933 3934 if (!hosts_ctl("sendmail", host, addr, STRING_UNKNOWN)) 3935 { 3936 if (tTd(48, 4)) 3937 sm_dprintf(" ... validate_connection: BAD (tcpwrappers)\n"); 3938 if (LogLevel > 3) 3939 sm_syslog(LOG_NOTICE, e->e_id, 3940 "tcpwrappers (%s, %s) rejection", 3941 host, addr); 3942 return "Access denied"; 3943 } 3944 #endif /* TCPWRAPPERS */ 3945 if (tTd(48, 4)) 3946 sm_dprintf(" ... validate_connection: OK\n"); 3947 return NULL; 3948 } 3949 3950 /* 3951 ** STRTOL -- convert string to long integer 3952 ** 3953 ** For systems that don't have it in the C library. 3954 ** 3955 ** This is taken verbatim from the 4.4-Lite C library. 3956 */ 3957 3958 #if NEEDSTRTOL 3959 3960 # if defined(LIBC_SCCS) && !defined(lint) 3961 static char sccsid[] = "@(#)strtol.c 8.1 (Berkeley) 6/4/93"; 3962 # endif /* defined(LIBC_SCCS) && !defined(lint) */ 3963 3964 /* 3965 ** Convert a string to a long integer. 3966 ** 3967 ** Ignores `locale' stuff. Assumes that the upper and lower case 3968 ** alphabets and digits are each contiguous. 3969 */ 3970 3971 long 3972 strtol(nptr, endptr, base) 3973 const char *nptr; 3974 char **endptr; 3975 register int base; 3976 { 3977 register const char *s = nptr; 3978 register unsigned long acc; 3979 register int c; 3980 register unsigned long cutoff; 3981 register int neg = 0, any, cutlim; 3982 3983 /* 3984 ** Skip white space and pick up leading +/- sign if any. 3985 ** If base is 0, allow 0x for hex and 0 for octal, else 3986 ** assume decimal; if base is already 16, allow 0x. 3987 */ 3988 do { 3989 c = *s++; 3990 } while (isspace(c)); 3991 if (c == '-') { 3992 neg = 1; 3993 c = *s++; 3994 } else if (c == '+') 3995 c = *s++; 3996 if ((base == 0 || base == 16) && 3997 c == '0' && (*s == 'x' || *s == 'X')) { 3998 c = s[1]; 3999 s += 2; 4000 base = 16; 4001 } 4002 if (base == 0) 4003 base = c == '0' ? 8 : 10; 4004 4005 /* 4006 ** Compute the cutoff value between legal numbers and illegal 4007 ** numbers. That is the largest legal value, divided by the 4008 ** base. An input number that is greater than this value, if 4009 ** followed by a legal input character, is too big. One that 4010 ** is equal to this value may be valid or not; the limit 4011 ** between valid and invalid numbers is then based on the last 4012 ** digit. For instance, if the range for longs is 4013 ** [-2147483648..2147483647] and the input base is 10, 4014 ** cutoff will be set to 214748364 and cutlim to either 4015 ** 7 (neg==0) or 8 (neg==1), meaning that if we have accumulated 4016 ** a value > 214748364, or equal but the next digit is > 7 (or 8), 4017 ** the number is too big, and we will return a range error. 4018 ** 4019 ** Set any if any `digits' consumed; make it negative to indicate 4020 ** overflow. 4021 */ 4022 cutoff = neg ? -(unsigned long) LONG_MIN : LONG_MAX; 4023 cutlim = cutoff % (unsigned long) base; 4024 cutoff /= (unsigned long) base; 4025 for (acc = 0, any = 0;; c = *s++) { 4026 if (isdigit(c)) 4027 c -= '0'; 4028 else if (isalpha(c)) 4029 c -= isupper(c) ? 'A' - 10 : 'a' - 10; 4030 else 4031 break; 4032 if (c >= base) 4033 break; 4034 if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim) 4035 any = -1; 4036 else { 4037 any = 1; 4038 acc *= base; 4039 acc += c; 4040 } 4041 } 4042 if (any < 0) { 4043 acc = neg ? LONG_MIN : LONG_MAX; 4044 errno = ERANGE; 4045 } else if (neg) 4046 acc = -acc; 4047 if (endptr != 0) 4048 *endptr = (char *)(any ? s - 1 : nptr); 4049 return acc; 4050 } 4051 4052 #endif /* NEEDSTRTOL */ 4053 /* 4054 ** STRSTR -- find first substring in string 4055 ** 4056 ** Parameters: 4057 ** big -- the big (full) string. 4058 ** little -- the little (sub) string. 4059 ** 4060 ** Returns: 4061 ** A pointer to the first instance of little in big. 4062 ** big if little is the null string. 4063 ** NULL if little is not contained in big. 4064 */ 4065 4066 #if NEEDSTRSTR 4067 4068 char * 4069 strstr(big, little) 4070 char *big; 4071 char *little; 4072 { 4073 register char *p = big; 4074 int l; 4075 4076 if (*little == '\0') 4077 return big; 4078 l = strlen(little); 4079 4080 while ((p = strchr(p, *little)) != NULL) 4081 { 4082 if (strncmp(p, little, l) == 0) 4083 return p; 4084 p++; 4085 } 4086 return NULL; 4087 } 4088 4089 #endif /* NEEDSTRSTR */ 4090 /* 4091 ** SM_GETHOSTBY{NAME,ADDR} -- compatibility routines for gethostbyXXX 4092 ** 4093 ** Some operating systems have wierd problems with the gethostbyXXX 4094 ** routines. For example, Solaris versions at least through 2.3 4095 ** don't properly deliver a canonical h_name field. This tries to 4096 ** work around these problems. 4097 ** 4098 ** Support IPv6 as well as IPv4. 4099 */ 4100 4101 #if NETINET6 && NEEDSGETIPNODE 4102 4103 # ifndef AI_DEFAULT 4104 # define AI_DEFAULT 0 /* dummy */ 4105 # endif /* ! AI_DEFAULT */ 4106 # ifndef AI_ADDRCONFIG 4107 # define AI_ADDRCONFIG 0 /* dummy */ 4108 # endif /* ! AI_ADDRCONFIG */ 4109 # ifndef AI_V4MAPPED 4110 # define AI_V4MAPPED 0 /* dummy */ 4111 # endif /* ! AI_V4MAPPED */ 4112 # ifndef AI_ALL 4113 # define AI_ALL 0 /* dummy */ 4114 # endif /* ! AI_ALL */ 4115 4116 static struct hostent * 4117 getipnodebyname(name, family, flags, err) 4118 char *name; 4119 int family; 4120 int flags; 4121 int *err; 4122 { 4123 bool resv6 = true; 4124 struct hostent *h; 4125 4126 if (family == AF_INET6) 4127 { 4128 /* From RFC2133, section 6.1 */ 4129 resv6 = bitset(RES_USE_INET6, _res.options); 4130 _res.options |= RES_USE_INET6; 4131 } 4132 SM_SET_H_ERRNO(0); 4133 h = gethostbyname(name); 4134 if (!resv6) 4135 _res.options &= ~RES_USE_INET6; 4136 *err = h_errno; 4137 return h; 4138 } 4139 4140 static struct hostent * 4141 getipnodebyaddr(addr, len, family, err) 4142 char *addr; 4143 int len; 4144 int family; 4145 int *err; 4146 { 4147 struct hostent *h; 4148 4149 SM_SET_H_ERRNO(0); 4150 h = gethostbyaddr(addr, len, family); 4151 *err = h_errno; 4152 return h; 4153 } 4154 4155 void 4156 freehostent(h) 4157 struct hostent *h; 4158 { 4159 /* 4160 ** Stub routine -- if they don't have getipnodeby*(), 4161 ** they probably don't have the free routine either. 4162 */ 4163 4164 return; 4165 } 4166 #endif /* NETINET6 && NEEDSGETIPNODE */ 4167 4168 struct hostent * 4169 sm_gethostbyname(name, family) 4170 char *name; 4171 int family; 4172 { 4173 int save_errno; 4174 struct hostent *h = NULL; 4175 #if (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) || (defined(sony_news) && defined(__svr4)) 4176 # if SOLARIS == 20300 || SOLARIS == 203 4177 static struct hostent hp; 4178 static char buf[1000]; 4179 extern struct hostent *_switch_gethostbyname_r(); 4180 4181 if (tTd(61, 10)) 4182 sm_dprintf("_switch_gethostbyname_r(%s)... ", name); 4183 h = _switch_gethostbyname_r(name, &hp, buf, sizeof(buf), &h_errno); 4184 save_errno = errno; 4185 # else /* SOLARIS == 20300 || SOLARIS == 203 */ 4186 extern struct hostent *__switch_gethostbyname(); 4187 4188 if (tTd(61, 10)) 4189 sm_dprintf("__switch_gethostbyname(%s)... ", name); 4190 h = __switch_gethostbyname(name); 4191 save_errno = errno; 4192 # endif /* SOLARIS == 20300 || SOLARIS == 203 */ 4193 #else /* (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) || (defined(sony_news) && defined(__svr4)) */ 4194 int nmaps; 4195 # if NETINET6 4196 int flags = AI_DEFAULT|AI_ALL; 4197 int err; 4198 # endif /* NETINET6 */ 4199 char *maptype[MAXMAPSTACK]; 4200 short mapreturn[MAXMAPACTIONS]; 4201 char hbuf[MAXNAME]; 4202 4203 if (tTd(61, 10)) 4204 sm_dprintf("sm_gethostbyname(%s, %d)... ", name, family); 4205 4206 # if NETINET6 4207 # if ADDRCONFIG_IS_BROKEN 4208 flags &= ~AI_ADDRCONFIG; 4209 # endif /* ADDRCONFIG_IS_BROKEN */ 4210 h = getipnodebyname(name, family, flags, &err); 4211 SM_SET_H_ERRNO(err); 4212 # else /* NETINET6 */ 4213 h = gethostbyname(name); 4214 # endif /* NETINET6 */ 4215 4216 save_errno = errno; 4217 if (h == NULL) 4218 { 4219 if (tTd(61, 10)) 4220 sm_dprintf("failure\n"); 4221 4222 nmaps = switch_map_find("hosts", maptype, mapreturn); 4223 while (--nmaps >= 0) 4224 { 4225 if (strcmp(maptype[nmaps], "nis") == 0 || 4226 strcmp(maptype[nmaps], "files") == 0) 4227 break; 4228 } 4229 4230 if (nmaps >= 0) 4231 { 4232 /* try short name */ 4233 if (strlen(name) > sizeof hbuf - 1) 4234 { 4235 errno = save_errno; 4236 return NULL; 4237 } 4238 (void) sm_strlcpy(hbuf, name, sizeof hbuf); 4239 (void) shorten_hostname(hbuf); 4240 4241 /* if it hasn't been shortened, there's no point */ 4242 if (strcmp(hbuf, name) != 0) 4243 { 4244 if (tTd(61, 10)) 4245 sm_dprintf("sm_gethostbyname(%s, %d)... ", 4246 hbuf, family); 4247 4248 # if NETINET6 4249 h = getipnodebyname(hbuf, family, flags, &err); 4250 SM_SET_H_ERRNO(err); 4251 save_errno = errno; 4252 # else /* NETINET6 */ 4253 h = gethostbyname(hbuf); 4254 save_errno = errno; 4255 # endif /* NETINET6 */ 4256 } 4257 } 4258 } 4259 #endif /* (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) || (defined(sony_news) && defined(__svr4)) */ 4260 if (tTd(61, 10)) 4261 { 4262 if (h == NULL) 4263 sm_dprintf("failure\n"); 4264 else 4265 { 4266 sm_dprintf("%s\n", h->h_name); 4267 if (tTd(61, 11)) 4268 { 4269 #if NETINET6 4270 struct in6_addr ia6; 4271 char buf6[INET6_ADDRSTRLEN]; 4272 #else /* NETINET6 */ 4273 struct in_addr ia; 4274 #endif /* NETINET6 */ 4275 size_t i; 4276 4277 if (h->h_aliases != NULL) 4278 for (i = 0; h->h_aliases[i] != NULL; 4279 i++) 4280 sm_dprintf("\talias: %s\n", 4281 h->h_aliases[i]); 4282 for (i = 0; h->h_addr_list[i] != NULL; i++) 4283 { 4284 char *addr; 4285 4286 #if NETINET6 4287 memmove(&ia6, h->h_addr_list[i], 4288 IN6ADDRSZ); 4289 addr = anynet_ntop(&ia6, 4290 buf6, sizeof buf6); 4291 #else /* NETINET6 */ 4292 memmove(&ia, h->h_addr_list[i], 4293 INADDRSZ); 4294 addr = (char *) inet_ntoa(ia); 4295 #endif /* NETINET6 */ 4296 if (addr != NULL) 4297 sm_dprintf("\taddr: %s\n", addr); 4298 } 4299 } 4300 } 4301 } 4302 errno = save_errno; 4303 return h; 4304 } 4305 4306 struct hostent * 4307 sm_gethostbyaddr(addr, len, type) 4308 char *addr; 4309 int len; 4310 int type; 4311 { 4312 struct hostent *hp; 4313 4314 #if NETINET6 4315 if (type == AF_INET6 && 4316 IN6_IS_ADDR_UNSPECIFIED((struct in6_addr *) addr)) 4317 { 4318 /* Avoid reverse lookup for IPv6 unspecified address */ 4319 SM_SET_H_ERRNO(HOST_NOT_FOUND); 4320 return NULL; 4321 } 4322 #endif /* NETINET6 */ 4323 4324 #if (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) 4325 # if SOLARIS == 20300 || SOLARIS == 203 4326 { 4327 static struct hostent he; 4328 static char buf[1000]; 4329 extern struct hostent *_switch_gethostbyaddr_r(); 4330 4331 hp = _switch_gethostbyaddr_r(addr, len, type, &he, 4332 buf, sizeof(buf), &h_errno); 4333 } 4334 # else /* SOLARIS == 20300 || SOLARIS == 203 */ 4335 { 4336 extern struct hostent *__switch_gethostbyaddr(); 4337 4338 hp = __switch_gethostbyaddr(addr, len, type); 4339 } 4340 # endif /* SOLARIS == 20300 || SOLARIS == 203 */ 4341 #else /* (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) */ 4342 # if NETINET6 4343 { 4344 int err; 4345 4346 hp = getipnodebyaddr(addr, len, type, &err); 4347 SM_SET_H_ERRNO(err); 4348 } 4349 # else /* NETINET6 */ 4350 hp = gethostbyaddr(addr, len, type); 4351 # endif /* NETINET6 */ 4352 #endif /* (SOLARIS > 10000 && SOLARIS < 20400) || (defined(SOLARIS) && SOLARIS < 204) */ 4353 return hp; 4354 } 4355 /* 4356 ** SM_GETPW{NAM,UID} -- wrapper for getpwnam and getpwuid 4357 */ 4358 4359 struct passwd * 4360 sm_getpwnam(user) 4361 char *user; 4362 { 4363 #ifdef _AIX4 4364 extern struct passwd *_getpwnam_shadow(const char *, const int); 4365 4366 return _getpwnam_shadow(user, 0); 4367 #else /* _AIX4 */ 4368 return getpwnam(user); 4369 #endif /* _AIX4 */ 4370 } 4371 4372 struct passwd * 4373 sm_getpwuid(uid) 4374 UID_T uid; 4375 { 4376 #if defined(_AIX4) && 0 4377 extern struct passwd *_getpwuid_shadow(const int, const int); 4378 4379 return _getpwuid_shadow(uid,0); 4380 #else /* defined(_AIX4) && 0 */ 4381 return getpwuid(uid); 4382 #endif /* defined(_AIX4) && 0 */ 4383 } 4384 /* 4385 ** SECUREWARE_SETUP_SECURE -- Convex SecureWare setup 4386 ** 4387 ** Set up the trusted computing environment for C2 level security 4388 ** under SecureWare. 4389 ** 4390 ** Parameters: 4391 ** uid -- uid of the user to initialize in the TCB 4392 ** 4393 ** Returns: 4394 ** none 4395 ** 4396 ** Side Effects: 4397 ** Initialized the user in the trusted computing base 4398 */ 4399 4400 #if SECUREWARE 4401 4402 # include <sys/security.h> 4403 # include <prot.h> 4404 4405 void 4406 secureware_setup_secure(uid) 4407 UID_T uid; 4408 { 4409 int rc; 4410 4411 if (getluid() != -1) 4412 return; 4413 4414 if ((rc = set_secure_info(uid)) != SSI_GOOD_RETURN) 4415 { 4416 switch (rc) 4417 { 4418 case SSI_NO_PRPW_ENTRY: 4419 syserr("No protected passwd entry, uid = %d", 4420 (int) uid); 4421 break; 4422 4423 case SSI_LOCKED: 4424 syserr("Account has been disabled, uid = %d", 4425 (int) uid); 4426 break; 4427 4428 case SSI_RETIRED: 4429 syserr("Account has been retired, uid = %d", 4430 (int) uid); 4431 break; 4432 4433 case SSI_BAD_SET_LUID: 4434 syserr("Could not set LUID, uid = %d", (int) uid); 4435 break; 4436 4437 case SSI_BAD_SET_PRIVS: 4438 syserr("Could not set kernel privs, uid = %d", 4439 (int) uid); 4440 4441 default: 4442 syserr("Unknown return code (%d) from set_secure_info(%d)", 4443 rc, (int) uid); 4444 break; 4445 } 4446 finis(false, true, EX_NOPERM); 4447 } 4448 } 4449 #endif /* SECUREWARE */ 4450 /* 4451 ** ADD_HOSTNAMES -- Add a hostname to class 'w' based on IP address 4452 ** 4453 ** Add hostnames to class 'w' based on the IP address read from 4454 ** the network interface. 4455 ** 4456 ** Parameters: 4457 ** sa -- a pointer to a SOCKADDR containing the address 4458 ** 4459 ** Returns: 4460 ** 0 if successful, -1 if host lookup fails. 4461 */ 4462 4463 static int 4464 add_hostnames(sa) 4465 SOCKADDR *sa; 4466 { 4467 struct hostent *hp; 4468 char **ha; 4469 char hnb[MAXHOSTNAMELEN]; 4470 4471 /* lookup name with IP address */ 4472 switch (sa->sa.sa_family) 4473 { 4474 #if NETINET 4475 case AF_INET: 4476 hp = sm_gethostbyaddr((char *) &sa->sin.sin_addr, 4477 sizeof(sa->sin.sin_addr), 4478 sa->sa.sa_family); 4479 break; 4480 #endif /* NETINET */ 4481 4482 #if NETINET6 4483 case AF_INET6: 4484 hp = sm_gethostbyaddr((char *) &sa->sin6.sin6_addr, 4485 sizeof(sa->sin6.sin6_addr), 4486 sa->sa.sa_family); 4487 break; 4488 #endif /* NETINET6 */ 4489 4490 default: 4491 /* Give warning about unsupported family */ 4492 if (LogLevel > 3) 4493 sm_syslog(LOG_WARNING, NOQID, 4494 "Unsupported address family %d: %.100s", 4495 sa->sa.sa_family, anynet_ntoa(sa)); 4496 return -1; 4497 } 4498 4499 if (hp == NULL) 4500 { 4501 int save_errno = errno; 4502 4503 if (LogLevel > 3 && 4504 #if NETINET6 4505 !(sa->sa.sa_family == AF_INET6 && 4506 IN6_IS_ADDR_LINKLOCAL(&sa->sin6.sin6_addr)) && 4507 #endif /* NETINET6 */ 4508 true) 4509 sm_syslog(LOG_WARNING, NOQID, 4510 "gethostbyaddr(%.100s) failed: %d", 4511 anynet_ntoa(sa), 4512 #if NAMED_BIND 4513 h_errno 4514 #else /* NAMED_BIND */ 4515 -1 4516 #endif /* NAMED_BIND */ 4517 ); 4518 errno = save_errno; 4519 return -1; 4520 } 4521 4522 /* save its cname */ 4523 if (!wordinclass((char *) hp->h_name, 'w')) 4524 { 4525 setclass('w', (char *) hp->h_name); 4526 if (tTd(0, 4)) 4527 sm_dprintf("\ta.k.a.: %s\n", hp->h_name); 4528 4529 if (sm_snprintf(hnb, sizeof hnb, "[%s]", hp->h_name) < sizeof hnb 4530 && !wordinclass((char *) hnb, 'w')) 4531 setclass('w', hnb); 4532 } 4533 else 4534 { 4535 if (tTd(0, 43)) 4536 sm_dprintf("\ta.k.a.: %s (already in $=w)\n", hp->h_name); 4537 } 4538 4539 /* save all it aliases name */ 4540 for (ha = hp->h_aliases; ha != NULL && *ha != NULL; ha++) 4541 { 4542 if (!wordinclass(*ha, 'w')) 4543 { 4544 setclass('w', *ha); 4545 if (tTd(0, 4)) 4546 sm_dprintf("\ta.k.a.: %s\n", *ha); 4547 if (sm_snprintf(hnb, sizeof hnb, 4548 "[%s]", *ha) < sizeof hnb && 4549 !wordinclass((char *) hnb, 'w')) 4550 setclass('w', hnb); 4551 } 4552 else 4553 { 4554 if (tTd(0, 43)) 4555 sm_dprintf("\ta.k.a.: %s (already in $=w)\n", 4556 *ha); 4557 } 4558 } 4559 #if NETINET6 4560 freehostent(hp); 4561 #endif /* NETINET6 */ 4562 return 0; 4563 } 4564 /* 4565 ** LOAD_IF_NAMES -- load interface-specific names into $=w 4566 ** 4567 ** Parameters: 4568 ** none. 4569 ** 4570 ** Returns: 4571 ** none. 4572 ** 4573 ** Side Effects: 4574 ** Loads $=w with the names of all the interfaces. 4575 */ 4576 4577 #if !NETINET 4578 # define SIOCGIFCONF_IS_BROKEN 1 /* XXX */ 4579 #endif /* !NETINET */ 4580 4581 #if defined(SIOCGIFCONF) && !SIOCGIFCONF_IS_BROKEN 4582 struct rtentry; 4583 struct mbuf; 4584 # ifndef SUNOS403 4585 # include <sys/time.h> 4586 # endif /* ! SUNOS403 */ 4587 # if (_AIX4 >= 40300) && !defined(_NET_IF_H) 4588 # undef __P 4589 # endif /* (_AIX4 >= 40300) && !defined(_NET_IF_H) */ 4590 # include <net/if.h> 4591 #endif /* defined(SIOCGIFCONF) && !SIOCGIFCONF_IS_BROKEN */ 4592 4593 void 4594 load_if_names() 4595 { 4596 # if NETINET6 && defined(SIOCGLIFCONF) 4597 # ifdef __hpux 4598 4599 /* 4600 ** Unfortunately, HP has changed all of the structures, 4601 ** making life difficult for implementors. 4602 */ 4603 4604 # define lifconf if_laddrconf 4605 # define lifc_len iflc_len 4606 # define lifc_buf iflc_buf 4607 # define lifreq if_laddrreq 4608 # define lifr_addr iflr_addr 4609 # define lifr_name iflr_name 4610 # define lifr_flags iflr_flags 4611 # define ss_family sa_family 4612 # undef SIOCGLIFNUM 4613 # endif /* __hpux */ 4614 4615 int s; 4616 int i; 4617 size_t len; 4618 int numifs; 4619 char *buf; 4620 struct lifconf lifc; 4621 # ifdef SIOCGLIFNUM 4622 struct lifnum lifn; 4623 # endif /* SIOCGLIFNUM */ 4624 4625 s = socket(InetMode, SOCK_DGRAM, 0); 4626 if (s == -1) 4627 return; 4628 4629 /* get the list of known IP address from the kernel */ 4630 # ifdef __hpux 4631 i = ioctl(s, SIOCGIFNUM, (char *) &numifs); 4632 # endif /* __hpux */ 4633 # ifdef SIOCGLIFNUM 4634 lifn.lifn_family = AF_UNSPEC; 4635 lifn.lifn_flags = 0; 4636 i = ioctl(s, SIOCGLIFNUM, (char *)&lifn); 4637 numifs = lifn.lifn_count; 4638 # endif /* SIOCGLIFNUM */ 4639 4640 # if defined(__hpux) || defined(SIOCGLIFNUM) 4641 if (i < 0) 4642 { 4643 /* can't get number of interfaces -- fall back */ 4644 if (tTd(0, 4)) 4645 sm_dprintf("SIOCGLIFNUM failed: %s\n", 4646 sm_errstring(errno)); 4647 numifs = -1; 4648 } 4649 else if (tTd(0, 42)) 4650 sm_dprintf("system has %d interfaces\n", numifs); 4651 if (numifs < 0) 4652 # endif /* defined(__hpux) || defined(SIOCGLIFNUM) */ 4653 numifs = MAXINTERFACES; 4654 4655 if (numifs <= 0) 4656 { 4657 (void) close(s); 4658 return; 4659 } 4660 4661 len = lifc.lifc_len = numifs * sizeof (struct lifreq); 4662 buf = lifc.lifc_buf = xalloc(lifc.lifc_len); 4663 # ifndef __hpux 4664 lifc.lifc_family = AF_UNSPEC; 4665 lifc.lifc_flags = 0; 4666 # endif /* __hpux */ 4667 if (ioctl(s, SIOCGLIFCONF, (char *)&lifc) < 0) 4668 { 4669 if (tTd(0, 4)) 4670 sm_dprintf("SIOCGLIFCONF failed: %s\n", 4671 sm_errstring(errno)); 4672 (void) close(s); 4673 sm_free(buf); 4674 return; 4675 } 4676 4677 /* scan the list of IP address */ 4678 if (tTd(0, 40)) 4679 sm_dprintf("scanning for interface specific names, lifc_len=%ld\n", 4680 (long) len); 4681 4682 for (i = 0; i < len && i >= 0; ) 4683 { 4684 int flags; 4685 struct lifreq *ifr = (struct lifreq *)&buf[i]; 4686 SOCKADDR *sa = (SOCKADDR *) &ifr->lifr_addr; 4687 int af = ifr->lifr_addr.ss_family; 4688 char *addr; 4689 char *name; 4690 struct in6_addr ia6; 4691 struct in_addr ia; 4692 # ifdef SIOCGLIFFLAGS 4693 struct lifreq ifrf; 4694 # endif /* SIOCGLIFFLAGS */ 4695 char ip_addr[256]; 4696 char buf6[INET6_ADDRSTRLEN]; 4697 4698 /* 4699 ** We must close and recreate the socket each time 4700 ** since we don't know what type of socket it is now 4701 ** (each status function may change it). 4702 */ 4703 4704 (void) close(s); 4705 4706 s = socket(af, SOCK_DGRAM, 0); 4707 if (s == -1) 4708 { 4709 sm_free(buf); /* XXX */ 4710 return; 4711 } 4712 4713 /* 4714 ** If we don't have a complete ifr structure, 4715 ** don't try to use it. 4716 */ 4717 4718 if ((len - i) < sizeof *ifr) 4719 break; 4720 4721 # ifdef BSD4_4_SOCKADDR 4722 if (sa->sa.sa_len > sizeof ifr->lifr_addr) 4723 i += sizeof ifr->lifr_name + sa->sa.sa_len; 4724 else 4725 # endif /* BSD4_4_SOCKADDR */ 4726 i += sizeof *ifr; 4727 4728 if (tTd(0, 20)) 4729 sm_dprintf("%s\n", anynet_ntoa(sa)); 4730 4731 if (af != AF_INET && af != AF_INET6) 4732 continue; 4733 4734 # ifdef SIOCGLIFFLAGS 4735 memset(&ifrf, '\0', sizeof(struct lifreq)); 4736 (void) sm_strlcpy(ifrf.lifr_name, ifr->lifr_name, 4737 sizeof(ifrf.lifr_name)); 4738 if (ioctl(s, SIOCGLIFFLAGS, (char *) &ifrf) < 0) 4739 { 4740 if (tTd(0, 4)) 4741 sm_dprintf("SIOCGLIFFLAGS failed: %s\n", 4742 sm_errstring(errno)); 4743 continue; 4744 } 4745 4746 name = ifr->lifr_name; 4747 flags = ifrf.lifr_flags; 4748 4749 if (tTd(0, 41)) 4750 sm_dprintf("\tflags: %lx\n", (unsigned long) flags); 4751 4752 if (!bitset(IFF_UP, flags)) 4753 continue; 4754 # endif /* SIOCGLIFFLAGS */ 4755 4756 ip_addr[0] = '\0'; 4757 4758 /* extract IP address from the list*/ 4759 switch (af) 4760 { 4761 case AF_INET6: 4762 # ifdef __KAME__ 4763 /* convert into proper scoped address */ 4764 if ((IN6_IS_ADDR_LINKLOCAL(&sa->sin6.sin6_addr) || 4765 IN6_IS_ADDR_SITELOCAL(&sa->sin6.sin6_addr)) && 4766 sa->sin6.sin6_scope_id == 0) 4767 { 4768 struct in6_addr *ia6p; 4769 4770 ia6p = &sa->sin6.sin6_addr; 4771 sa->sin6.sin6_scope_id = ntohs(ia6p->s6_addr[3] | 4772 ((unsigned int)ia6p->s6_addr[2] << 8)); 4773 ia6p->s6_addr[2] = ia6p->s6_addr[3] = 0; 4774 } 4775 # endif /* __KAME__ */ 4776 ia6 = sa->sin6.sin6_addr; 4777 if (IN6_IS_ADDR_UNSPECIFIED(&ia6)) 4778 { 4779 addr = anynet_ntop(&ia6, buf6, sizeof buf6); 4780 message("WARNING: interface %s is UP with %s address", 4781 name, addr == NULL ? "(NULL)" : addr); 4782 continue; 4783 } 4784 4785 /* save IP address in text from */ 4786 addr = anynet_ntop(&ia6, buf6, sizeof buf6); 4787 if (addr != NULL) 4788 (void) sm_snprintf(ip_addr, sizeof ip_addr, 4789 "[%.*s]", 4790 (int) sizeof ip_addr - 3, 4791 addr); 4792 break; 4793 4794 case AF_INET: 4795 ia = sa->sin.sin_addr; 4796 if (ia.s_addr == INADDR_ANY || 4797 ia.s_addr == INADDR_NONE) 4798 { 4799 message("WARNING: interface %s is UP with %s address", 4800 name, inet_ntoa(ia)); 4801 continue; 4802 } 4803 4804 /* save IP address in text from */ 4805 (void) sm_snprintf(ip_addr, sizeof ip_addr, "[%.*s]", 4806 (int) sizeof ip_addr - 3, inet_ntoa(ia)); 4807 break; 4808 } 4809 4810 if (*ip_addr == '\0') 4811 continue; 4812 4813 if (!wordinclass(ip_addr, 'w')) 4814 { 4815 setclass('w', ip_addr); 4816 if (tTd(0, 4)) 4817 sm_dprintf("\ta.k.a.: %s\n", ip_addr); 4818 } 4819 4820 # ifdef SIOCGLIFFLAGS 4821 /* skip "loopback" interface "lo" */ 4822 if (DontProbeInterfaces == DPI_SKIPLOOPBACK && 4823 bitset(IFF_LOOPBACK, flags)) 4824 continue; 4825 # endif /* SIOCGLIFFLAGS */ 4826 (void) add_hostnames(sa); 4827 } 4828 sm_free(buf); /* XXX */ 4829 (void) close(s); 4830 # else /* NETINET6 && defined(SIOCGLIFCONF) */ 4831 # if defined(SIOCGIFCONF) && !SIOCGIFCONF_IS_BROKEN 4832 int s; 4833 int i; 4834 struct ifconf ifc; 4835 int numifs; 4836 4837 s = socket(AF_INET, SOCK_DGRAM, 0); 4838 if (s == -1) 4839 return; 4840 4841 /* get the list of known IP address from the kernel */ 4842 # if defined(SIOCGIFNUM) && !SIOCGIFNUM_IS_BROKEN 4843 if (ioctl(s, SIOCGIFNUM, (char *) &numifs) < 0) 4844 { 4845 /* can't get number of interfaces -- fall back */ 4846 if (tTd(0, 4)) 4847 sm_dprintf("SIOCGIFNUM failed: %s\n", 4848 sm_errstring(errno)); 4849 numifs = -1; 4850 } 4851 else if (tTd(0, 42)) 4852 sm_dprintf("system has %d interfaces\n", numifs); 4853 if (numifs < 0) 4854 # endif /* defined(SIOCGIFNUM) && !SIOCGIFNUM_IS_BROKEN */ 4855 numifs = MAXINTERFACES; 4856 4857 if (numifs <= 0) 4858 { 4859 (void) close(s); 4860 return; 4861 } 4862 ifc.ifc_len = numifs * sizeof (struct ifreq); 4863 ifc.ifc_buf = xalloc(ifc.ifc_len); 4864 if (ioctl(s, SIOCGIFCONF, (char *)&ifc) < 0) 4865 { 4866 if (tTd(0, 4)) 4867 sm_dprintf("SIOCGIFCONF failed: %s\n", 4868 sm_errstring(errno)); 4869 (void) close(s); 4870 return; 4871 } 4872 4873 /* scan the list of IP address */ 4874 if (tTd(0, 40)) 4875 sm_dprintf("scanning for interface specific names, ifc_len=%d\n", 4876 ifc.ifc_len); 4877 4878 for (i = 0; i < ifc.ifc_len && i >= 0; ) 4879 { 4880 int af; 4881 struct ifreq *ifr = (struct ifreq *) &ifc.ifc_buf[i]; 4882 SOCKADDR *sa = (SOCKADDR *) &ifr->ifr_addr; 4883 # if NETINET6 4884 char *addr; 4885 struct in6_addr ia6; 4886 # endif /* NETINET6 */ 4887 struct in_addr ia; 4888 # ifdef SIOCGIFFLAGS 4889 struct ifreq ifrf; 4890 # endif /* SIOCGIFFLAGS */ 4891 char ip_addr[256]; 4892 # if NETINET6 4893 char buf6[INET6_ADDRSTRLEN]; 4894 # endif /* NETINET6 */ 4895 4896 /* 4897 ** If we don't have a complete ifr structure, 4898 ** don't try to use it. 4899 */ 4900 4901 if ((ifc.ifc_len - i) < sizeof *ifr) 4902 break; 4903 4904 # ifdef BSD4_4_SOCKADDR 4905 if (sa->sa.sa_len > sizeof ifr->ifr_addr) 4906 i += sizeof ifr->ifr_name + sa->sa.sa_len; 4907 else 4908 # endif /* BSD4_4_SOCKADDR */ 4909 i += sizeof *ifr; 4910 4911 if (tTd(0, 20)) 4912 sm_dprintf("%s\n", anynet_ntoa(sa)); 4913 4914 af = ifr->ifr_addr.sa_family; 4915 if (af != AF_INET 4916 # if NETINET6 4917 && af != AF_INET6 4918 # endif /* NETINET6 */ 4919 ) 4920 continue; 4921 4922 # ifdef SIOCGIFFLAGS 4923 memset(&ifrf, '\0', sizeof(struct ifreq)); 4924 (void) sm_strlcpy(ifrf.ifr_name, ifr->ifr_name, 4925 sizeof(ifrf.ifr_name)); 4926 (void) ioctl(s, SIOCGIFFLAGS, (char *) &ifrf); 4927 if (tTd(0, 41)) 4928 sm_dprintf("\tflags: %lx\n", 4929 (unsigned long) ifrf.ifr_flags); 4930 # define IFRFREF ifrf 4931 # else /* SIOCGIFFLAGS */ 4932 # define IFRFREF (*ifr) 4933 # endif /* SIOCGIFFLAGS */ 4934 4935 if (!bitset(IFF_UP, IFRFREF.ifr_flags)) 4936 continue; 4937 4938 ip_addr[0] = '\0'; 4939 4940 /* extract IP address from the list*/ 4941 switch (af) 4942 { 4943 case AF_INET: 4944 ia = sa->sin.sin_addr; 4945 if (ia.s_addr == INADDR_ANY || 4946 ia.s_addr == INADDR_NONE) 4947 { 4948 message("WARNING: interface %s is UP with %s address", 4949 ifr->ifr_name, inet_ntoa(ia)); 4950 continue; 4951 } 4952 4953 /* save IP address in text from */ 4954 (void) sm_snprintf(ip_addr, sizeof ip_addr, "[%.*s]", 4955 (int) sizeof ip_addr - 3, 4956 inet_ntoa(ia)); 4957 break; 4958 4959 # if NETINET6 4960 case AF_INET6: 4961 # ifdef __KAME__ 4962 /* convert into proper scoped address */ 4963 if ((IN6_IS_ADDR_LINKLOCAL(&sa->sin6.sin6_addr) || 4964 IN6_IS_ADDR_SITELOCAL(&sa->sin6.sin6_addr)) && 4965 sa->sin6.sin6_scope_id == 0) 4966 { 4967 struct in6_addr *ia6p; 4968 4969 ia6p = &sa->sin6.sin6_addr; 4970 sa->sin6.sin6_scope_id = ntohs(ia6p->s6_addr[3] | 4971 ((unsigned int)ia6p->s6_addr[2] << 8)); 4972 ia6p->s6_addr[2] = ia6p->s6_addr[3] = 0; 4973 } 4974 # endif /* __KAME__ */ 4975 ia6 = sa->sin6.sin6_addr; 4976 if (IN6_IS_ADDR_UNSPECIFIED(&ia6)) 4977 { 4978 addr = anynet_ntop(&ia6, buf6, sizeof buf6); 4979 message("WARNING: interface %s is UP with %s address", 4980 ifr->ifr_name, 4981 addr == NULL ? "(NULL)" : addr); 4982 continue; 4983 } 4984 4985 /* save IP address in text from */ 4986 addr = anynet_ntop(&ia6, buf6, sizeof buf6); 4987 if (addr != NULL) 4988 (void) sm_snprintf(ip_addr, sizeof ip_addr, 4989 "[%.*s]", 4990 (int) sizeof ip_addr - 3, 4991 addr); 4992 break; 4993 4994 # endif /* NETINET6 */ 4995 } 4996 4997 if (ip_addr[0] == '\0') 4998 continue; 4999 5000 if (!wordinclass(ip_addr, 'w')) 5001 { 5002 setclass('w', ip_addr); 5003 if (tTd(0, 4)) 5004 sm_dprintf("\ta.k.a.: %s\n", ip_addr); 5005 } 5006 5007 /* skip "loopback" interface "lo" */ 5008 if (DontProbeInterfaces == DPI_SKIPLOOPBACK && 5009 bitset(IFF_LOOPBACK, IFRFREF.ifr_flags)) 5010 continue; 5011 5012 (void) add_hostnames(sa); 5013 } 5014 sm_free(ifc.ifc_buf); /* XXX */ 5015 (void) close(s); 5016 # undef IFRFREF 5017 # endif /* defined(SIOCGIFCONF) && !SIOCGIFCONF_IS_BROKEN */ 5018 # endif /* NETINET6 && defined(SIOCGLIFCONF) */ 5019 } 5020 /* 5021 ** ISLOOPBACK -- is socket address in the loopback net? 5022 ** 5023 ** Parameters: 5024 ** sa -- socket address. 5025 ** 5026 ** Returns: 5027 ** true -- is socket address in the loopback net? 5028 ** false -- otherwise 5029 ** 5030 */ 5031 5032 bool 5033 isloopback(sa) 5034 SOCKADDR sa; 5035 { 5036 #if NETINET6 5037 if (IN6_IS_ADDR_LOOPBACK(&sa.sin6.sin6_addr)) 5038 return true; 5039 #else /* NETINET6 */ 5040 /* XXX how to correctly extract IN_LOOPBACKNET part? */ 5041 if (((ntohl(sa.sin.sin_addr.s_addr) & IN_CLASSA_NET) 5042 >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET) 5043 return true; 5044 #endif /* NETINET6 */ 5045 return false; 5046 } 5047 /* 5048 ** GET_NUM_PROCS_ONLINE -- return the number of processors currently online 5049 ** 5050 ** Parameters: 5051 ** none. 5052 ** 5053 ** Returns: 5054 ** The number of processors online. 5055 */ 5056 5057 static int 5058 get_num_procs_online() 5059 { 5060 int nproc = 0; 5061 5062 #ifdef USESYSCTL 5063 # if defined(CTL_HW) && defined(HW_NCPU) 5064 size_t sz; 5065 int mib[2]; 5066 5067 mib[0] = CTL_HW; 5068 mib[1] = HW_NCPU; 5069 sz = (size_t) sizeof nproc; 5070 (void) sysctl(mib, 2, &nproc, &sz, NULL, 0); 5071 # endif /* defined(CTL_HW) && defined(HW_NCPU) */ 5072 #else /* USESYSCTL */ 5073 # ifdef _SC_NPROCESSORS_ONLN 5074 nproc = (int) sysconf(_SC_NPROCESSORS_ONLN); 5075 # else /* _SC_NPROCESSORS_ONLN */ 5076 # ifdef __hpux 5077 # include <sys/pstat.h> 5078 struct pst_dynamic psd; 5079 5080 if (pstat_getdynamic(&psd, sizeof(psd), (size_t)1, 0) != -1) 5081 nproc = psd.psd_proc_cnt; 5082 # endif /* __hpux */ 5083 # endif /* _SC_NPROCESSORS_ONLN */ 5084 #endif /* USESYSCTL */ 5085 5086 if (nproc <= 0) 5087 nproc = 1; 5088 return nproc; 5089 } 5090 /* 5091 ** SEED_RANDOM -- seed the random number generator 5092 ** 5093 ** Parameters: 5094 ** none 5095 ** 5096 ** Returns: 5097 ** none 5098 */ 5099 5100 void 5101 seed_random() 5102 { 5103 #if HASSRANDOMDEV 5104 srandomdev(); 5105 #else /* HASSRANDOMDEV */ 5106 long seed; 5107 struct timeval t; 5108 5109 seed = (long) CurrentPid; 5110 if (gettimeofday(&t, NULL) >= 0) 5111 seed += t.tv_sec + t.tv_usec; 5112 5113 # if HASRANDOM 5114 (void) srandom(seed); 5115 # else /* HASRANDOM */ 5116 (void) srand((unsigned int) seed); 5117 # endif /* HASRANDOM */ 5118 #endif /* HASSRANDOMDEV */ 5119 } 5120 /* 5121 ** SM_SYSLOG -- syslog wrapper to keep messages under SYSLOG_BUFSIZE 5122 ** 5123 ** Parameters: 5124 ** level -- syslog level 5125 ** id -- envelope ID or NULL (NOQUEUE) 5126 ** fmt -- format string 5127 ** arg... -- arguments as implied by fmt. 5128 ** 5129 ** Returns: 5130 ** none 5131 */ 5132 5133 /* VARARGS3 */ 5134 void 5135 #ifdef __STDC__ 5136 sm_syslog(int level, const char *id, const char *fmt, ...) 5137 #else /* __STDC__ */ 5138 sm_syslog(level, id, fmt, va_alist) 5139 int level; 5140 const char *id; 5141 const char *fmt; 5142 va_dcl 5143 #endif /* __STDC__ */ 5144 { 5145 static char *buf = NULL; 5146 static size_t bufsize; 5147 char *begin, *end; 5148 int save_errno; 5149 int seq = 1; 5150 int idlen; 5151 char buf0[MAXLINE]; 5152 char *newstring; 5153 extern int SyslogPrefixLen; 5154 SM_VA_LOCAL_DECL 5155 5156 save_errno = errno; 5157 if (id == NULL) 5158 { 5159 id = "NOQUEUE"; 5160 idlen = strlen(id) + SyslogPrefixLen; 5161 } 5162 else if (strcmp(id, NOQID) == 0) 5163 { 5164 id = ""; 5165 idlen = SyslogPrefixLen; 5166 } 5167 else 5168 idlen = strlen(id) + SyslogPrefixLen; 5169 5170 if (buf == NULL) 5171 { 5172 buf = buf0; 5173 bufsize = sizeof buf0; 5174 } 5175 5176 for (;;) 5177 { 5178 int n; 5179 5180 /* print log message into buf */ 5181 SM_VA_START(ap, fmt); 5182 n = sm_vsnprintf(buf, bufsize, fmt, ap); 5183 SM_VA_END(ap); 5184 SM_ASSERT(n > 0); 5185 if (n < bufsize) 5186 break; 5187 5188 /* String too small, redo with correct size */ 5189 bufsize = n + 1; 5190 if (buf != buf0) 5191 { 5192 sm_free(buf); 5193 buf = NULL; 5194 } 5195 buf = sm_malloc_x(bufsize); 5196 } 5197 5198 /* clean up buf after it has been expanded with args */ 5199 newstring = str2prt(buf); 5200 if ((strlen(newstring) + idlen + 1) < SYSLOG_BUFSIZE) 5201 { 5202 #if LOG 5203 if (*id == '\0') 5204 syslog(level, "%s", newstring); 5205 else 5206 syslog(level, "%s: %s", id, newstring); 5207 #else /* LOG */ 5208 /*XXX should do something more sensible */ 5209 if (*id == '\0') 5210 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s\n", 5211 newstring); 5212 else 5213 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, 5214 "%s: %s\n", id, newstring); 5215 #endif /* LOG */ 5216 if (buf == buf0) 5217 buf = NULL; 5218 errno = save_errno; 5219 return; 5220 } 5221 5222 /* 5223 ** additional length for splitting: " ..." + 3, where 3 is magic to 5224 ** have some data for the next entry. 5225 */ 5226 5227 #define SL_SPLIT 7 5228 5229 begin = newstring; 5230 idlen += 5; /* strlen("[999]"), see below */ 5231 while (*begin != '\0' && 5232 (strlen(begin) + idlen) > SYSLOG_BUFSIZE) 5233 { 5234 char save; 5235 5236 if (seq >= 999) 5237 { 5238 /* Too many messages */ 5239 break; 5240 } 5241 end = begin + SYSLOG_BUFSIZE - idlen - SL_SPLIT; 5242 while (end > begin) 5243 { 5244 /* Break on comma or space */ 5245 if (*end == ',' || *end == ' ') 5246 { 5247 end++; /* Include separator */ 5248 break; 5249 } 5250 end--; 5251 } 5252 /* No separator, break midstring... */ 5253 if (end == begin) 5254 end = begin + SYSLOG_BUFSIZE - idlen - SL_SPLIT; 5255 save = *end; 5256 *end = 0; 5257 #if LOG 5258 syslog(level, "%s[%d]: %s ...", id, seq++, begin); 5259 #else /* LOG */ 5260 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, 5261 "%s[%d]: %s ...\n", id, seq++, begin); 5262 #endif /* LOG */ 5263 *end = save; 5264 begin = end; 5265 } 5266 if (seq >= 999) 5267 #if LOG 5268 syslog(level, "%s[%d]: log terminated, too many parts", 5269 id, seq); 5270 #else /* LOG */ 5271 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, 5272 "%s[%d]: log terminated, too many parts\n", id, seq); 5273 #endif /* LOG */ 5274 else if (*begin != '\0') 5275 #if LOG 5276 syslog(level, "%s[%d]: %s", id, seq, begin); 5277 #else /* LOG */ 5278 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, 5279 "%s[%d]: %s\n", id, seq, begin); 5280 #endif /* LOG */ 5281 if (buf == buf0) 5282 buf = NULL; 5283 errno = save_errno; 5284 } 5285 /* 5286 ** HARD_SYSLOG -- call syslog repeatedly until it works 5287 ** 5288 ** Needed on HP-UX, which apparently doesn't guarantee that 5289 ** syslog succeeds during interrupt handlers. 5290 */ 5291 5292 #if defined(__hpux) && !defined(HPUX11) 5293 5294 # define MAXSYSLOGTRIES 100 5295 # undef syslog 5296 # ifdef V4FS 5297 # define XCNST const 5298 # define CAST (const char *) 5299 # else /* V4FS */ 5300 # define XCNST 5301 # define CAST 5302 # endif /* V4FS */ 5303 5304 void 5305 # ifdef __STDC__ 5306 hard_syslog(int pri, XCNST char *msg, ...) 5307 # else /* __STDC__ */ 5308 hard_syslog(pri, msg, va_alist) 5309 int pri; 5310 XCNST char *msg; 5311 va_dcl 5312 # endif /* __STDC__ */ 5313 { 5314 int i; 5315 char buf[SYSLOG_BUFSIZE]; 5316 SM_VA_LOCAL_DECL 5317 5318 SM_VA_START(ap, msg); 5319 (void) sm_vsnprintf(buf, sizeof buf, msg, ap); 5320 SM_VA_END(ap); 5321 5322 for (i = MAXSYSLOGTRIES; --i >= 0 && syslog(pri, CAST "%s", buf) < 0; ) 5323 continue; 5324 } 5325 5326 # undef CAST 5327 #endif /* defined(__hpux) && !defined(HPUX11) */ 5328 #if NEEDLOCAL_HOSTNAME_LENGTH 5329 /* 5330 ** LOCAL_HOSTNAME_LENGTH 5331 ** 5332 ** This is required to get sendmail to compile against BIND 4.9.x 5333 ** on Ultrix. 5334 ** 5335 ** Unfortunately, a Compaq Y2K patch kit provides it without 5336 ** bumping __RES in /usr/include/resolv.h so we can't automatically 5337 ** figure out whether it is needed. 5338 */ 5339 5340 int 5341 local_hostname_length(hostname) 5342 char *hostname; 5343 { 5344 size_t len_host, len_domain; 5345 5346 if (!*_res.defdname) 5347 res_init(); 5348 len_host = strlen(hostname); 5349 len_domain = strlen(_res.defdname); 5350 if (len_host > len_domain && 5351 (sm_strcasecmp(hostname + len_host - len_domain, 5352 _res.defdname) == 0) && 5353 hostname[len_host - len_domain - 1] == '.') 5354 return len_host - len_domain - 1; 5355 else 5356 return 0; 5357 } 5358 #endif /* NEEDLOCAL_HOSTNAME_LENGTH */ 5359 5360 #if NEEDLINK 5361 /* 5362 ** LINK -- clone a file 5363 ** 5364 ** Some OS's lacks link() and hard links. Since sendmail is using 5365 ** link() as an efficient way to clone files, this implementation 5366 ** will simply do a file copy. 5367 ** 5368 ** NOTE: This link() replacement is not a generic replacement as it 5369 ** does not handle all of the semantics of the real link(2). 5370 ** 5371 ** Parameters: 5372 ** source -- pathname of existing file. 5373 ** target -- pathname of link (clone) to be created. 5374 ** 5375 ** Returns: 5376 ** 0 -- success. 5377 ** -1 -- failure, see errno for details. 5378 */ 5379 5380 int 5381 link(source, target) 5382 const char *source; 5383 const char *target; 5384 { 5385 int save_errno; 5386 int sff; 5387 int src = -1, dst = -1; 5388 ssize_t readlen; 5389 ssize_t writelen; 5390 char buf[BUFSIZ]; 5391 struct stat st; 5392 5393 sff = SFF_REGONLY|SFF_OPENASROOT; 5394 if (DontLockReadFiles) 5395 sff |= SFF_NOLOCK; 5396 5397 /* Open the original file */ 5398 src = safeopen((char *)source, O_RDONLY, 0, sff); 5399 if (src < 0) 5400 goto fail; 5401 5402 /* Obtain the size and the mode */ 5403 if (fstat(src, &st) < 0) 5404 goto fail; 5405 5406 /* Create the duplicate copy */ 5407 sff &= ~SFF_NOLOCK; 5408 sff |= SFF_CREAT; 5409 dst = safeopen((char *)target, O_CREAT|O_EXCL|O_WRONLY, 5410 st.st_mode, sff); 5411 if (dst < 0) 5412 goto fail; 5413 5414 /* Copy all of the bytes one buffer at a time */ 5415 while ((readlen = read(src, &buf, sizeof(buf))) > 0) 5416 { 5417 ssize_t left = readlen; 5418 char *p = buf; 5419 5420 while (left > 0 && 5421 (writelen = write(dst, p, (size_t) left)) >= 0) 5422 { 5423 left -= writelen; 5424 p += writelen; 5425 } 5426 if (writelen < 0) 5427 break; 5428 } 5429 5430 /* Any trouble reading? */ 5431 if (readlen < 0 || writelen < 0) 5432 goto fail; 5433 5434 /* Close the input file */ 5435 if (close(src) < 0) 5436 { 5437 src = -1; 5438 goto fail; 5439 } 5440 src = -1; 5441 5442 /* Close the output file */ 5443 if (close(dst) < 0) 5444 { 5445 /* don't set dst = -1 here so we unlink the file */ 5446 goto fail; 5447 } 5448 5449 /* Success */ 5450 return 0; 5451 5452 fail: 5453 save_errno = errno; 5454 if (src >= 0) 5455 (void) close(src); 5456 if (dst >= 0) 5457 { 5458 (void) unlink(target); 5459 (void) close(dst); 5460 } 5461 errno = save_errno; 5462 return -1; 5463 } 5464 #endif /* NEEDLINK */ 5465 5466 /* 5467 ** Compile-Time options 5468 */ 5469 5470 char *CompileOptions[] = 5471 { 5472 #if NAMED_BIND 5473 # if DNSMAP 5474 "DNSMAP", 5475 # endif /* DNSMAP */ 5476 #endif /* NAMED_BIND */ 5477 #if EGD 5478 "EGD", 5479 #endif /* EGD */ 5480 #if HESIOD 5481 "HESIOD", 5482 #endif /* HESIOD */ 5483 #if HES_GETMAILHOST 5484 "HES_GETMAILHOST", 5485 #endif /* HES_GETMAILHOST */ 5486 #if LDAPMAP 5487 "LDAPMAP", 5488 #endif /* LDAPMAP */ 5489 #if LOG 5490 "LOG", 5491 #endif /* LOG */ 5492 #if MAP_NSD 5493 "MAP_NSD", 5494 #endif /* MAP_NSD */ 5495 #if MAP_REGEX 5496 "MAP_REGEX", 5497 #endif /* MAP_REGEX */ 5498 #if MATCHGECOS 5499 "MATCHGECOS", 5500 #endif /* MATCHGECOS */ 5501 #if MILTER 5502 "MILTER", 5503 #endif /* MILTER */ 5504 #if MIME7TO8 5505 "MIME7TO8", 5506 #endif /* MIME7TO8 */ 5507 #if MIME8TO7 5508 "MIME8TO7", 5509 #endif /* MIME8TO7 */ 5510 #if NAMED_BIND 5511 "NAMED_BIND", 5512 #endif /* NAMED_BIND */ 5513 #if NDBM 5514 "NDBM", 5515 #endif /* NDBM */ 5516 #if NETINET 5517 "NETINET", 5518 #endif /* NETINET */ 5519 #if NETINET6 5520 "NETINET6", 5521 #endif /* NETINET6 */ 5522 #if NETINFO 5523 "NETINFO", 5524 #endif /* NETINFO */ 5525 #if NETISO 5526 "NETISO", 5527 #endif /* NETISO */ 5528 #if NETNS 5529 "NETNS", 5530 #endif /* NETNS */ 5531 #if NETUNIX 5532 "NETUNIX", 5533 #endif /* NETUNIX */ 5534 #if NETX25 5535 "NETX25", 5536 #endif /* NETX25 */ 5537 #if NEWDB 5538 "NEWDB", 5539 #endif /* NEWDB */ 5540 #if NIS 5541 "NIS", 5542 #endif /* NIS */ 5543 #if NISPLUS 5544 "NISPLUS", 5545 #endif /* NISPLUS */ 5546 #if NO_DH 5547 "NO_DH", 5548 #endif /* NO_DH */ 5549 #if PH_MAP 5550 "PH_MAP", 5551 #endif /* PH_MAP */ 5552 #ifdef PICKY_HELO_CHECK 5553 "PICKY_HELO_CHECK", 5554 #endif /* PICKY_HELO_CHECK */ 5555 #if PIPELINING 5556 "PIPELINING", 5557 #endif /* PIPELINING */ 5558 #if SASL 5559 "SASL", 5560 #endif /* SASL */ 5561 #if SCANF 5562 "SCANF", 5563 #endif /* SCANF */ 5564 #if SMTPDEBUG 5565 "SMTPDEBUG", 5566 #endif /* SMTPDEBUG */ 5567 #if STARTTLS 5568 "STARTTLS", 5569 #endif /* STARTTLS */ 5570 #if SUID_ROOT_FILES_OK 5571 "SUID_ROOT_FILES_OK", 5572 #endif /* SUID_ROOT_FILES_OK */ 5573 #if TCPWRAPPERS 5574 "TCPWRAPPERS", 5575 #endif /* TCPWRAPPERS */ 5576 #if TLS_NO_RSA 5577 "TLS_NO_RSA", 5578 #endif /* TLS_NO_RSA */ 5579 #if TLS_VRFY_PER_CTX 5580 "TLS_VRFY_PER_CTX", 5581 #endif /* TLS_VRFY_PER_CTX */ 5582 #if USERDB 5583 "USERDB", 5584 #endif /* USERDB */ 5585 #if USE_LDAP_INIT 5586 "USE_LDAP_INIT", 5587 #endif /* USE_LDAP_INIT */ 5588 #if XDEBUG 5589 "XDEBUG", 5590 #endif /* XDEBUG */ 5591 #if XLA 5592 "XLA", 5593 #endif /* XLA */ 5594 NULL 5595 }; 5596 5597 5598 /* 5599 ** OS compile options. 5600 */ 5601 5602 char *OsCompileOptions[] = 5603 { 5604 #if ADDRCONFIG_IS_BROKEN 5605 "ADDRCONFIG_IS_BROKEN", 5606 #endif /* ADDRCONFIG_IS_BROKEN */ 5607 #ifdef AUTO_NETINFO_HOSTS 5608 "AUTO_NETINFO_HOSTS", 5609 #endif /* AUTO_NETINFO_HOSTS */ 5610 #ifdef AUTO_NIS_ALIASES 5611 "AUTO_NIS_ALIASES", 5612 #endif /* AUTO_NIS_ALIASES */ 5613 #if BROKEN_RES_SEARCH 5614 "BROKEN_RES_SEARCH", 5615 #endif /* BROKEN_RES_SEARCH */ 5616 #ifdef BSD4_4_SOCKADDR 5617 "BSD4_4_SOCKADDR", 5618 #endif /* BSD4_4_SOCKADDR */ 5619 #if BOGUS_O_EXCL 5620 "BOGUS_O_EXCL", 5621 #endif /* BOGUS_O_EXCL */ 5622 #if DEC_OSF_BROKEN_GETPWENT 5623 "DEC_OSF_BROKEN_GETPWENT", 5624 #endif /* DEC_OSF_BROKEN_GETPWENT */ 5625 #if FAST_PID_RECYCLE 5626 "FAST_PID_RECYCLE", 5627 #endif /* FAST_PID_RECYCLE */ 5628 #if HASFCHOWN 5629 "HASFCHOWN", 5630 #endif /* HASFCHOWN */ 5631 #if HASFCHMOD 5632 "HASFCHMOD", 5633 #endif /* HASFCHMOD */ 5634 #if HASFLOCK 5635 "HASFLOCK", 5636 #endif /* HASFLOCK */ 5637 #if HASGETDTABLESIZE 5638 "HASGETDTABLESIZE", 5639 #endif /* HASGETDTABLESIZE */ 5640 #if HASGETUSERSHELL 5641 "HASGETUSERSHELL", 5642 #endif /* HASGETUSERSHELL */ 5643 #if HASINITGROUPS 5644 "HASINITGROUPS", 5645 #endif /* HASINITGROUPS */ 5646 #if HASLSTAT 5647 "HASLSTAT", 5648 #endif /* HASLSTAT */ 5649 #if HASNICE 5650 "HASNICE", 5651 #endif /* HASNICE */ 5652 #if HASRANDOM 5653 "HASRANDOM", 5654 #endif /* HASRANDOM */ 5655 #if HASRRESVPORT 5656 "HASRRESVPORT", 5657 #endif /* HASRRESVPORT */ 5658 #if HASSETEGID 5659 "HASSETEGID", 5660 #endif /* HASSETEGID */ 5661 #if HASSETLOGIN 5662 "HASSETLOGIN", 5663 #endif /* HASSETLOGIN */ 5664 #if HASSETREGID 5665 "HASSETREGID", 5666 #endif /* HASSETREGID */ 5667 #if HASSETRESGID 5668 "HASSETRESGID", 5669 #endif /* HASSETRESGID */ 5670 #if HASSETREUID 5671 "HASSETREUID", 5672 #endif /* HASSETREUID */ 5673 #if HASSETRLIMIT 5674 "HASSETRLIMIT", 5675 #endif /* HASSETRLIMIT */ 5676 #if HASSETSID 5677 "HASSETSID", 5678 #endif /* HASSETSID */ 5679 #if HASSETUSERCONTEXT 5680 "HASSETUSERCONTEXT", 5681 #endif /* HASSETUSERCONTEXT */ 5682 #if HASSETVBUF 5683 "HASSETVBUF", 5684 #endif /* HASSETVBUF */ 5685 #if HAS_ST_GEN 5686 "HAS_ST_GEN", 5687 #endif /* HAS_ST_GEN */ 5688 #if HASSRANDOMDEV 5689 "HASSRANDOMDEV", 5690 #endif /* HASSRANDOMDEV */ 5691 #if HASURANDOMDEV 5692 "HASURANDOMDEV", 5693 #endif /* HASURANDOMDEV */ 5694 #if HASSTRERROR 5695 "HASSTRERROR", 5696 #endif /* HASSTRERROR */ 5697 #if HASULIMIT 5698 "HASULIMIT", 5699 #endif /* HASULIMIT */ 5700 #if HASUNAME 5701 "HASUNAME", 5702 #endif /* HASUNAME */ 5703 #if HASUNSETENV 5704 "HASUNSETENV", 5705 #endif /* HASUNSETENV */ 5706 #if HASWAITPID 5707 "HASWAITPID", 5708 #endif /* HASWAITPID */ 5709 #if IDENTPROTO 5710 "IDENTPROTO", 5711 #endif /* IDENTPROTO */ 5712 #if IP_SRCROUTE 5713 "IP_SRCROUTE", 5714 #endif /* IP_SRCROUTE */ 5715 #if O_EXLOCK && HASFLOCK && !BOGUS_O_EXCL 5716 "LOCK_ON_OPEN", 5717 #endif /* O_EXLOCK && HASFLOCK && !BOGUS_O_EXCL */ 5718 #if NEEDFSYNC 5719 "NEEDFSYNC", 5720 #endif /* NEEDFSYNC */ 5721 #if NEEDLINK 5722 "NEEDLINK", 5723 #endif /* NEEDLINK */ 5724 #if NEEDLOCAL_HOSTNAME_LENGTH 5725 "NEEDLOCAL_HOSTNAME_LENGTH", 5726 #endif /* NEEDLOCAL_HOSTNAME_LENGTH */ 5727 #if NEEDSGETIPNODE 5728 "NEEDSGETIPNODE", 5729 #endif /* NEEDSGETIPNODE */ 5730 #if NEEDSTRSTR 5731 "NEEDSTRSTR", 5732 #endif /* NEEDSTRSTR */ 5733 #if NEEDSTRTOL 5734 "NEEDSTRTOL", 5735 #endif /* NEEDSTRTOL */ 5736 #ifdef NO_GETSERVBYNAME 5737 "NO_GETSERVBYNAME", 5738 #endif /* NO_GETSERVBYNAME */ 5739 #if NOFTRUNCATE 5740 "NOFTRUNCATE", 5741 #endif /* NOFTRUNCATE */ 5742 #if REQUIRES_DIR_FSYNC 5743 "REQUIRES_DIR_FSYNC", 5744 #endif /* REQUIRES_DIR_FSYNC */ 5745 #if RLIMIT_NEEDS_SYS_TIME_H 5746 "RLIMIT_NEEDS_SYS_TIME_H", 5747 #endif /* RLIMIT_NEEDS_SYS_TIME_H */ 5748 #if SAFENFSPATHCONF 5749 "SAFENFSPATHCONF", 5750 #endif /* SAFENFSPATHCONF */ 5751 #if SECUREWARE 5752 "SECUREWARE", 5753 #endif /* SECUREWARE */ 5754 #if SHARE_V1 5755 "SHARE_V1", 5756 #endif /* SHARE_V1 */ 5757 #if SIOCGIFCONF_IS_BROKEN 5758 "SIOCGIFCONF_IS_BROKEN", 5759 #endif /* SIOCGIFCONF_IS_BROKEN */ 5760 #if SIOCGIFNUM_IS_BROKEN 5761 "SIOCGIFNUM_IS_BROKEN", 5762 #endif /* SIOCGIFNUM_IS_BROKEN */ 5763 #if SNPRINTF_IS_BROKEN 5764 "SNPRINTF_IS_BROKEN", 5765 #endif /* SNPRINTF_IS_BROKEN */ 5766 #if SO_REUSEADDR_IS_BROKEN 5767 "SO_REUSEADDR_IS_BROKEN", 5768 #endif /* SO_REUSEADDR_IS_BROKEN */ 5769 #if SYS5SETPGRP 5770 "SYS5SETPGRP", 5771 #endif /* SYS5SETPGRP */ 5772 #if SYSTEM5 5773 "SYSTEM5", 5774 #endif /* SYSTEM5 */ 5775 #if USE_DOUBLE_FORK 5776 "USE_DOUBLE_FORK", 5777 #endif /* USE_DOUBLE_FORK */ 5778 #if USE_ENVIRON 5779 "USE_ENVIRON", 5780 #endif /* USE_ENVIRON */ 5781 #if USE_SA_SIGACTION 5782 "USE_SA_SIGACTION", 5783 #endif /* USE_SA_SIGACTION */ 5784 #if USE_SIGLONGJMP 5785 "USE_SIGLONGJMP", 5786 #endif /* USE_SIGLONGJMP */ 5787 #if USEGETCONFATTR 5788 "USEGETCONFATTR", 5789 #endif /* USEGETCONFATTR */ 5790 #if USESETEUID 5791 "USESETEUID", 5792 #endif /* USESETEUID */ 5793 #ifdef USESYSCTL 5794 "USESYSCTL", 5795 #endif /* USESYSCTL */ 5796 #if USING_NETSCAPE_LDAP 5797 "USING_NETSCAPE_LDAP", 5798 #endif /* USING_NETSCAPE_LDAP */ 5799 #ifdef WAITUNION 5800 "WAITUNION", 5801 #endif /* WAITUNION */ 5802 NULL 5803 }; 5804 5805 /* 5806 ** FFR compile options. 5807 */ 5808 5809 char *FFRCompileOptions[] = 5810 { 5811 #if _FFR_ADAPTIVE_EOL 5812 "_FFR_ADAPTIVE_EOL", 5813 #endif /* _FFR_ADAPTIVE_EOL */ 5814 #if _FFR_ALLOW_SASLINFO 5815 "_FFR_ALLOW_SASLINFO", 5816 #endif /* _FFR_ALLOW_SASLINFO */ 5817 #if _FFR_ALLOW_S0_ERROR_4XX 5818 "_FFR_ALLOW_S0_ERROR_4XX", 5819 #endif /* _FFR_ALLOW_S0_ERROR_4XX */ 5820 #if _FFR_BESTMX_BETTER_TRUNCATION 5821 "_FFR_BESTMX_BETTER_TRUNCATION", 5822 #endif /* _FFR_BESTMX_BETTER_TRUNCATION */ 5823 #if _FFR_CACHE_LPC 5824 /* Christophe Wolfhugel of France Telecom Oleane */ 5825 "_FFR_CACHE_LPC", 5826 #endif /* _FFR_CACHE_LPC */ 5827 #if _FFR_CATCH_BROKEN_MTAS 5828 "_FFR_CATCH_BROKEN_MTAS", 5829 #endif /* _FFR_CATCH_BROKEN_MTAS */ 5830 #if _FFR_CATCH_LONG_STRINGS 5831 "_FFR_CATCH_LONG_STRINGS", 5832 #endif /* _FFR_CATCH_LONG_STRINGS */ 5833 #if _FFR_CHECK_EOM 5834 "_FFR_CHECK_EOM", 5835 #endif /* _FFR_CHECK_EOM */ 5836 #if _FFR_CONTROL_MSTAT 5837 "_FFR_CONTROL_MSTAT", 5838 #endif /* _FFR_CONTROL_MSTAT */ 5839 #if _FFR_DAEMON_NETUNIX 5840 "_FFR_DAEMON_NETUNIX", 5841 #endif /* _FFR_DAEMON_NETUNIX */ 5842 #if _FFR_DEPRECATE_MAILER_FLAG_I 5843 "_FFR_DEPRECATE_MAILER_FLAG_I", 5844 #endif /* _FFR_DEPRECATE_MAILER_FLAG_I */ 5845 #if _FFR_DIGUNIX_SAFECHOWN 5846 /* Problem noted by Anne Bennett of Concordia University */ 5847 "_FFR_DIGUNIX_SAFECHOWN", 5848 #endif /* _FFR_DIGUNIX_SAFECHOWN */ 5849 #if _FFR_DNSMAP_ALIASABLE 5850 /* Don Lewis of TDK */ 5851 "_FFR_DNSMAP_ALIASABLE", 5852 #endif /* _FFR_DNSMAP_ALIASABLE */ 5853 #if _FFR_DNSMAP_BASE 5854 "_FFR_DNSMAP_BASE", 5855 #endif /* _FFR_DNSMAP_BASE */ 5856 #if _FFR_DNSMAP_MULTI 5857 "_FFR_DNSMAP_MULTI", 5858 # if _FFR_DNSMAP_MULTILIMIT 5859 "_FFR_DNSMAP_MULTILIMIT", 5860 # endif /* _FFR_DNSMAP_MULTILIMIT */ 5861 #endif /* _FFR_DNSMAP_MULTI */ 5862 #if _FFR_DONTLOCKFILESFORREAD_OPTION 5863 "_FFR_DONTLOCKFILESFORREAD_OPTION", 5864 #endif /* _FFR_DONTLOCKFILESFORREAD_OPTION */ 5865 # if _FFR_DONT_STOP_LOOKING 5866 /* Noted by Neil Rickert of Northern Illinois University */ 5867 "_FFR_DONT_STOP_LOOKING", 5868 # endif /* _FFR_DONT_STOP_LOOKING */ 5869 #if _FFR_DOTTED_USERNAMES 5870 "_FFR_DOTTED_USERNAMES", 5871 #endif /* _FFR_DOTTED_USERNAMES */ 5872 #if _FFR_DROP_TRUSTUSER_WARNING 5873 "_FFR_DROP_TRUSTUSER_WARNING", 5874 #endif /* _FFR_DROP_TRUSTUSER_WARNING */ 5875 #if _FFR_FIX_DASHT 5876 "_FFR_FIX_DASHT", 5877 #endif /* _FFR_FIX_DASHT */ 5878 #if _FFR_FORWARD_SYSERR 5879 "_FFR_FORWARD_SYSERR", 5880 #endif /* _FFR_FORWARD_SYSERR */ 5881 #if _FFR_GEN_ORCPT 5882 "_FFR_GEN_ORCPT", 5883 #endif /* _FFR_GEN_ORCPT */ 5884 #if _FFR_GROUPREADABLEAUTHINFOFILE 5885 "_FFR_GROUPREADABLEAUTHINFOFILE", 5886 #endif /* _FFR_GROUPREADABLEAUTHINFOFILE */ 5887 #if _FFR_HANDLE_ISO8859_GECOS 5888 /* Peter Eriksson of Linkopings universitet */ 5889 "_FFR_HANDLE_ISO8859_GECOS", 5890 #endif /* _FFR_HANDLE_ISO8859_GECOS */ 5891 #if _FFR_HDR_TYPE 5892 "_FFR_HDR_TYPE", 5893 #endif /* _FFR_HDR_TYPE */ 5894 #if _FFR_HPUX_NSSWITCH 5895 "_FFR_HPUX_NSSWITCH", 5896 #endif /* _FFR_HPUX_NSSWITCH */ 5897 #if _FFR_IGNORE_EXT_ON_HELO 5898 "_FFR_IGNORE_EXT_ON_HELO", 5899 #endif /* _FFR_IGNORE_EXT_ON_HELO */ 5900 #if _FFR_LDAP_RECURSION 5901 /* Andrew Baucom */ 5902 "_FFR_LDAP_RECURSION", 5903 #endif /* _FFR_LDAP_RECURSION */ 5904 #if _FFR_LDAP_SETVERSION 5905 "_FFR_LDAP_SETVERSION", 5906 #endif /* _FFR_LDAP_SETVERSION */ 5907 #if _FFR_LDAP_URI 5908 "_FFR_LDAP_URI", 5909 #endif /* _FFR_LDAP_URI */ 5910 #if _FFR_MAX_FORWARD_ENTRIES 5911 /* Randall S. Winchester of the University of Maryland */ 5912 "_FFR_MAX_FORWARD_ENTRIES", 5913 #endif /* _FFR_MAX_FORWARD_ENTRIES */ 5914 #if MILTER 5915 # if _FFR_MILTER_PERDAEMON 5916 "_FFR_MILTER_PERDAEMON", 5917 # endif /* _FFR_MILTER_PERDAEMON */ 5918 #endif /* MILTER */ 5919 #if _FFR_NODELAYDSN_ON_HOLD 5920 /* Steven Pitzl */ 5921 "_FFR_NODELAYDSN_ON_HOLD", 5922 #endif /* _FFR_NODELAYDSN_ON_HOLD */ 5923 #if _FFR_NO_PIPE 5924 "_FFR_NO_PIPE", 5925 #endif /* _FFR_NO_PIPE */ 5926 #if _FFR_QUARANTINE 5927 "_FFR_QUARANTINE", 5928 #endif /* _FFR_QUARANTINE */ 5929 #if _FFR_QUEUEDELAY 5930 "_FFR_QUEUEDELAY", 5931 #endif /* _FFR_QUEUEDELAY */ 5932 #if _FFR_QUEUE_GROUP_SORTORDER 5933 /* XXX: Still need to actually use qgrp->qg_sortorder */ 5934 "_FFR_QUEUE_GROUP_SORTORDER", 5935 #endif /* _FFR_QUEUE_GROUP_SORTORDER */ 5936 #if _FFR_QUEUE_MACRO 5937 "_FFR_QUEUE_MACRO", 5938 #endif /* _FFR_QUEUE_MACRO */ 5939 #if _FFR_QUEUE_RUN_PARANOIA 5940 "_FFR_QUEUE_RUN_PARANOIA", 5941 #endif /* _FFR_QUEUE_RUN_PARANOIA */ 5942 #if _FFR_QUEUE_SCHED_DBG 5943 "_FFR_QUEUE_SCHED_DBG", 5944 #endif /* _FFR_QUEUE_SCHED_DBG */ 5945 #if _FFR_REDIRECTEMPTY 5946 "_FFR_REDIRECTEMPTY", 5947 #endif /* _FFR_REDIRECTEMPTY */ 5948 #if _FFR_RESET_MACRO_GLOBALS 5949 "_FFR_RESET_MACRO_GLOBALS", 5950 #endif /* _FFR_RESET_MACRO_GLOBALS */ 5951 #if _FFR_RHS 5952 "_FFR_RHS", 5953 #endif /* _FFR_RHS */ 5954 #if _FFR_SELECT_SHM 5955 "_FFR_SELECT_SHM", 5956 #endif /* _FFR_SELECT_SHM */ 5957 #if _FFR_SHM_STATUS 5958 "_FFR_SHM_STATUS", 5959 #endif /* _FFR_SHM_STATUS */ 5960 #if _FFR_SMTP_SSL 5961 "_FFR_SMTP_SSL", 5962 #endif /* _FFR_SMTP_SSL */ 5963 #if _FFR_SOFT_BOUNCE 5964 "_FFR_SOFT_BOUNCE", 5965 #endif /* _FFR_SOFT_BOUNCE */ 5966 #if _FFR_TIMERS 5967 "_FFR_TIMERS", 5968 #endif /* _FFR_TIMERS */ 5969 #if _FFR_TLS_1 5970 "_FFR_TLS_1", 5971 #endif /* _FFR_TLS_1 */ 5972 #if _FFR_TRUSTED_QF 5973 "_FFR_TRUSTED_QF", 5974 #endif /* _FFR_TRUSTED_QF */ 5975 #if _FFR_USE_SETLOGIN 5976 /* Peter Philipp */ 5977 "_FFR_USE_SETLOGIN", 5978 #endif /* _FFR_USE_SETLOGIN */ 5979 NULL 5980 }; 5981 5982