| 1 | /************************************************* |
| 2 | * Exim - an Internet mail transport agent * |
| 3 | *************************************************/ |
| 4 | |
| 5 | /* Copyright (c) University of Cambridge 1995 - 2018 */ |
| 6 | /* See the file NOTICE for conditions of use and distribution. */ |
| 7 | |
| 8 | |
| 9 | /* Source files for exim all #include this header, which drags in everything |
| 10 | that is needed. They don't all need everything, of course, but it's far too |
| 11 | messy to have each one importing its own list, and anyway, most of them need |
| 12 | most of these includes. */ |
| 13 | |
| 14 | #ifndef EXIM_H |
| 15 | #define EXIM_H |
| 16 | |
| 17 | /* Assume most systems have statfs() unless os.h undefines this macro */ |
| 18 | |
| 19 | #define HAVE_STATFS |
| 20 | |
| 21 | /* Similarly, assume most systems have srandom() unless os.h undefines it. |
| 22 | This call dates back at least as far as SUSv2. */ |
| 23 | |
| 24 | #define HAVE_SRANDOM |
| 25 | |
| 26 | /* This is primarily for the Gnu C library; we define it before os.h so that |
| 27 | os.h has a chance to hurriedly undef it, Just In Case. We need C99 for some |
| 28 | 64-bit math support, and defining _ISOC99_SOURCE breaks <resolv.h> and friends. |
| 29 | */ |
| 30 | |
| 31 | #define _GNU_SOURCE 1 |
| 32 | |
| 33 | /* First of all include the os-specific header, which might set things that |
| 34 | are needed by any of the other headers, including system headers. */ |
| 35 | |
| 36 | #include "os.h" |
| 37 | |
| 38 | /* If it didn't define os_find_running_interfaces, use the common function. */ |
| 39 | |
| 40 | #ifndef os_find_running_interfaces |
| 41 | # define os_find_running_interfaces os_common_find_running_interfaces |
| 42 | #endif |
| 43 | |
| 44 | /* If it didn't define the base for "base 62" numbers, we really do use 62. |
| 45 | This is the case for all real Unix and Unix-like OS. It's only Cygwin and |
| 46 | Darwin, with their case-insensitive file systems, that can't use base 62 for |
| 47 | making unique names. */ |
| 48 | |
| 49 | #ifndef BASE_62 |
| 50 | # define BASE_62 62 |
| 51 | #endif |
| 52 | |
| 53 | /* The maximum value of localhost_number depends on the base being used */ |
| 54 | |
| 55 | #if BASE_62 == 62 |
| 56 | # define LOCALHOST_MAX 16 |
| 57 | #else |
| 58 | # define LOCALHOST_MAX 10 |
| 59 | #endif |
| 60 | |
| 61 | /* If not overridden by os.h, dynamic libraries have filenames ending .so */ |
| 62 | #ifndef DYNLIB_FN_EXT |
| 63 | # define DYNLIB_FN_EXT "so" |
| 64 | #endif |
| 65 | |
| 66 | /* ANSI C standard includes */ |
| 67 | |
| 68 | #include <ctype.h> |
| 69 | #include <locale.h> |
| 70 | #include <math.h> |
| 71 | #include <signal.h> |
| 72 | #include <stdarg.h> |
| 73 | #include <stddef.h> |
| 74 | #include <stdio.h> |
| 75 | #include <stdlib.h> |
| 76 | #include <string.h> |
| 77 | #include <time.h> |
| 78 | |
| 79 | /* Unix includes */ |
| 80 | |
| 81 | #include <errno.h> |
| 82 | #if defined(__svr4__) && defined(__sparc) && ! defined(__EXTENSIONS__) |
| 83 | # define __EXTENSIONS__ /* so that SunOS 5 gets NGROUPS_MAX */ |
| 84 | # include <limits.h> |
| 85 | # undef __EXTENSIONS__ |
| 86 | #else |
| 87 | # include <limits.h> |
| 88 | #endif |
| 89 | |
| 90 | /* C99 integer types, figure out how to undo this if needed for older systems */ |
| 91 | |
| 92 | #include <inttypes.h> |
| 93 | |
| 94 | /* Just in case some aged system doesn't define them... */ |
| 95 | |
| 96 | #ifndef INT_MAX |
| 97 | # define INT_MAX 2147483647 |
| 98 | #endif |
| 99 | |
| 100 | #ifndef INT_MIN |
| 101 | # define INT_MIN (-INT_MAX - 1) |
| 102 | #endif |
| 103 | |
| 104 | #ifndef SHRT_MAX |
| 105 | # define SHRT_MAX 32767 |
| 106 | #endif |
| 107 | |
| 108 | #ifndef UCHAR_MAX |
| 109 | # define UCHAR_MAX 255 |
| 110 | #endif |
| 111 | |
| 112 | |
| 113 | /* To match int_eximarith_t. Define in OS/os.h-<your-system> to override. */ |
| 114 | #ifndef EXIM_ARITH_MAX |
| 115 | # define EXIM_ARITH_MAX ((int_eximarith_t)9223372036854775807LL) |
| 116 | #endif |
| 117 | #ifndef EXIM_ARITH_MIN |
| 118 | # define EXIM_ARITH_MIN (-EXIM_ARITH_MAX - 1) |
| 119 | #endif |
| 120 | |
| 121 | /* Some systems have PATH_MAX and some have MAX_PATH_LEN. */ |
| 122 | |
| 123 | #ifndef PATH_MAX |
| 124 | # ifdef MAX_PATH_LEN |
| 125 | # define PATH_MAX MAX_PATH_LEN |
| 126 | # else |
| 127 | # define PATH_MAX 1024 |
| 128 | # endif |
| 129 | #endif |
| 130 | |
| 131 | #include <sys/types.h> |
| 132 | #include <sys/file.h> |
| 133 | #include <dirent.h> |
| 134 | #include <netdb.h> |
| 135 | #ifndef NO_POLL_H |
| 136 | # include <poll.h> |
| 137 | #endif |
| 138 | #include <pwd.h> |
| 139 | #include <grp.h> |
| 140 | #include <syslog.h> |
| 141 | |
| 142 | /* Not all systems have flock() available. Those that do must define LOCK_SH |
| 143 | in sys/file.h. */ |
| 144 | |
| 145 | #ifndef LOCK_SH |
| 146 | # define NO_FLOCK |
| 147 | #endif |
| 148 | |
| 149 | #ifndef NO_SYSEXITS /* some OS don't have this */ |
| 150 | # include <sysexits.h> |
| 151 | #endif |
| 152 | |
| 153 | /* A few OS don't have socklen_t; their os.h files define EXIM_SOCKLEN_T to |
| 154 | be size_t or whatever. We used to use SOCKLEN_T, but then it was discovered |
| 155 | that this is used by the AIX include files. */ |
| 156 | |
| 157 | #ifndef EXIM_SOCKLEN_T |
| 158 | # define EXIM_SOCKLEN_T socklen_t |
| 159 | #endif |
| 160 | |
| 161 | /* Ensure that the sysexits we reference are defined */ |
| 162 | |
| 163 | #ifndef EX_UNAVAILABLE |
| 164 | # define EX_UNAVAILABLE 69 /* service unavailable; used for execv fail */ |
| 165 | #endif |
| 166 | #ifndef EX_CANTCREAT |
| 167 | # define EX_CANTCREAT 73 /* can't create file: treat as temporary */ |
| 168 | #endif |
| 169 | #ifndef EX_TEMPFAIL |
| 170 | # define EX_TEMPFAIL 75 /* temp failure; user is invited to retry */ |
| 171 | #endif |
| 172 | #ifndef EX_CONFIG |
| 173 | # define EX_CONFIG 78 /* configuration error */ |
| 174 | #endif |
| 175 | |
| 176 | /* This one is not in any sysexits file that I've come across */ |
| 177 | |
| 178 | #define EX_EXECFAILED 127 /* execve() failed */ |
| 179 | |
| 180 | |
| 181 | #include <sys/time.h> |
| 182 | #include <sys/param.h> |
| 183 | |
| 184 | #ifndef NO_SYS_RESOURCE_H /* QNX doesn't have this */ |
| 185 | # include <sys/resource.h> |
| 186 | #endif |
| 187 | |
| 188 | #include <sys/socket.h> |
| 189 | |
| 190 | /* If we are on an IPv6 system, the macro AF_INET6 will have been defined in |
| 191 | the sys/socket.h header. It is helpful to have this defined on an IPv4 system |
| 192 | so that it can appear in the code, even if it is never actually used when |
| 193 | the code is run. It saves some #ifdef occurrences. */ |
| 194 | |
| 195 | #ifndef AF_INET6 |
| 196 | # define AF_INET6 24 |
| 197 | #endif |
| 198 | |
| 199 | #include <sys/ioctl.h> |
| 200 | |
| 201 | /* The new standard is statvfs; some OS have statfs. For statvfs the block |
| 202 | counts must be multiplied by the "fragment size" f_frsize to get the actual |
| 203 | size. In other cases the value seems to be f_bsize (which is sometimes the only |
| 204 | block size), so we use a macro to get that instead. |
| 205 | |
| 206 | Also arrange to be able to cut it out altogether for way-out OS that don't have |
| 207 | anything. I've indented a bit here to try to make the mess a bit more |
| 208 | intelligible. Note that simply defining one name to be another when |
| 209 | HAVE_SYS_STATVFS_H is not set will not work if the system has a statvfs macro |
| 210 | or a macro with entries f_frsize and f_bsize. */ |
| 211 | |
| 212 | #ifdef HAVE_STATFS |
| 213 | #ifdef HAVE_SYS_STATVFS_H |
| 214 | #include <sys/statvfs.h> |
| 215 | #define STATVFS statvfs |
| 216 | #define F_FRSIZE f_frsize |
| 217 | #else |
| 218 | #define STATVFS statfs |
| 219 | #define F_FRSIZE f_bsize |
| 220 | #ifdef HAVE_SYS_VFS_H |
| 221 | #include <sys/vfs.h> |
| 222 | #ifdef HAVE_SYS_STATFS_H |
| 223 | #include <sys/statfs.h> |
| 224 | #endif |
| 225 | #endif |
| 226 | #ifdef HAVE_SYS_MOUNT_H |
| 227 | #include <sys/mount.h> |
| 228 | #endif |
| 229 | #endif |
| 230 | |
| 231 | /* Macros for the fields for the available space for non-superusers; define |
| 232 | these only if the OS header has not. Not all OS have f_favail; those that |
| 233 | are known to have it define F_FAVAIL as f_favail. The default is to use |
| 234 | f_free. */ |
| 235 | |
| 236 | #ifndef F_BAVAIL |
| 237 | # define F_BAVAIL f_bavail |
| 238 | #endif |
| 239 | |
| 240 | #ifndef F_FAVAIL |
| 241 | # define F_FAVAIL f_ffree |
| 242 | #endif |
| 243 | |
| 244 | /* All the systems I've been able to look at seem to have F_FILES */ |
| 245 | |
| 246 | #ifndef F_FILES |
| 247 | # define F_FILES f_files |
| 248 | #endif |
| 249 | |
| 250 | #endif |
| 251 | |
| 252 | |
| 253 | #ifndef SIOCGIFCONF /* HACK for SunOS 5 */ |
| 254 | # include <sys/sockio.h> |
| 255 | #endif |
| 256 | |
| 257 | #include <sys/stat.h> |
| 258 | #include <sys/wait.h> |
| 259 | #include <sys/utsname.h> |
| 260 | #include <fcntl.h> |
| 261 | |
| 262 | /* There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts |
| 263 | with the definition in sysexits.h. Exim does not actually use this macro, so we |
| 264 | just undefine it. It would be nice to be able to re-instate the definition from |
| 265 | sysexits.h if there is no definition in unistd.h, but I do not think there is a |
| 266 | way to do this in C because macro definitions are not scanned for other macros |
| 267 | at definition time. [The code here used to assume they were, until I was |
| 268 | disabused of the notion. Luckily, since EX_OK is not used, it didn't matter.] */ |
| 269 | |
| 270 | #ifdef EX_OK |
| 271 | # undef EX_OK |
| 272 | #endif |
| 273 | |
| 274 | #include <unistd.h> |
| 275 | |
| 276 | #include <utime.h> |
| 277 | #ifndef NO_NET_IF_H |
| 278 | # include <net/if.h> |
| 279 | #endif |
| 280 | #include <sys/un.h> |
| 281 | #include <netinet/in.h> |
| 282 | #include <netinet/tcp.h> |
| 283 | #include <arpa/inet.h> |
| 284 | #include <arpa/nameser.h> |
| 285 | |
| 286 | |
| 287 | /* While IPv6 is still young the definitions of T_AAAA and T_A6 may not be |
| 288 | included in arpa/nameser.h. Fudge them here. */ |
| 289 | |
| 290 | #ifndef T_AAAA |
| 291 | #define T_AAAA 28 |
| 292 | #endif |
| 293 | |
| 294 | #ifndef T_A6 |
| 295 | #define T_A6 38 |
| 296 | #endif |
| 297 | |
| 298 | /* Ancient systems (e.g. SunOS4) don't appear to have T_TXT defined in their |
| 299 | header files. I don't suppose they have T_SRV either. */ |
| 300 | |
| 301 | #ifndef T_TXT |
| 302 | # define T_TXT 16 |
| 303 | #endif |
| 304 | |
| 305 | #ifndef T_SRV |
| 306 | # define T_SRV 33 |
| 307 | #endif |
| 308 | |
| 309 | /* Many systems do not have T_SPF. */ |
| 310 | |
| 311 | #ifndef T_SPF |
| 312 | # define T_SPF 99 |
| 313 | #endif |
| 314 | |
| 315 | /* New TLSA record for DANE */ |
| 316 | #ifndef T_TLSA |
| 317 | # define T_TLSA 52 |
| 318 | #endif |
| 319 | #define MAX_TLSA_EXPANDED_SIZE 8192 |
| 320 | |
| 321 | /* It seems that some versions of arpa/nameser.h don't define *any* of the |
| 322 | T_xxx macros, which seem to be non-standard nowadays. Just to be on the safe |
| 323 | side, put in definitions for all the ones that Exim uses. */ |
| 324 | |
| 325 | #ifndef T_A |
| 326 | # define T_A 1 |
| 327 | #endif |
| 328 | |
| 329 | #ifndef T_CNAME |
| 330 | # define T_CNAME 5 |
| 331 | #endif |
| 332 | |
| 333 | #ifndef T_SOA |
| 334 | # define T_SOA 6 |
| 335 | #endif |
| 336 | |
| 337 | #ifndef T_MX |
| 338 | # define T_MX 15 |
| 339 | #endif |
| 340 | |
| 341 | #ifndef T_NS |
| 342 | # define T_NS 2 |
| 343 | #endif |
| 344 | |
| 345 | #ifndef T_PTR |
| 346 | # define T_PTR 12 |
| 347 | #endif |
| 348 | |
| 349 | |
| 350 | /* We define a few private types for special DNS lookups: |
| 351 | |
| 352 | . T_ZNS gets the nameservers of the enclosing zone of a domain |
| 353 | |
| 354 | . T_MXH gets the MX hostnames only (without their priorities) |
| 355 | |
| 356 | . T_CSA gets the domain's Client SMTP Authorization SRV record |
| 357 | |
| 358 | . T_ADDRESSES looks up both AAAA (or A6) and A records |
| 359 | |
| 360 | If any of these names appear in the RRtype list at: |
| 361 | <http://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml> |
| 362 | then we should rename Exim's private type away from the conflict. |
| 363 | */ |
| 364 | |
| 365 | #define T_ZNS (-1) |
| 366 | #define T_MXH (-2) |
| 367 | #define T_CSA (-3) |
| 368 | #define T_ADDRESSES (-4) |
| 369 | |
| 370 | /* The resolv.h header defines __P(x) on some Solaris 2.5.1 systems (without |
| 371 | checking that it is already defined, in fact). This conflicts with other |
| 372 | headers that behave likewise (see below), leading to compiler warnings. Arrange |
| 373 | to undefine it if resolv.h defines it. */ |
| 374 | |
| 375 | #if defined(__P) |
| 376 | # define __P_WAS_DEFINED_BEFORE_RESOLV |
| 377 | #endif |
| 378 | |
| 379 | #include <resolv.h> |
| 380 | |
| 381 | #if defined(__P) && ! defined (__P_WAS_DEFINED_BEFORE_RESOLV) |
| 382 | # undef __P |
| 383 | #endif |
| 384 | |
| 385 | /* If not defined by os.h, we do nothing special to push DNS resolver state |
| 386 | back to be available by the classic resolver routines. Also, provide |
| 387 | prototype for our get routine, unless defined away. */ |
| 388 | |
| 389 | #ifndef os_put_dns_resolver_res |
| 390 | # define os_put_dns_resolver_res(R) do {/**/} while(0) |
| 391 | #endif |
| 392 | #ifndef os_get_dns_resolver_res |
| 393 | res_state os_get_dns_resolver_res(void); |
| 394 | #endif |
| 395 | |
| 396 | /* These three are to support the IP option logging code. Linux is |
| 397 | different to everyone else and there are also other systems which don't |
| 398 | have netinet/ip_var.h, so there's a general macro to control its inclusion. */ |
| 399 | |
| 400 | #include <netinet/in_systm.h> |
| 401 | #include <netinet/ip.h> |
| 402 | |
| 403 | #ifndef NO_IP_VAR_H |
| 404 | # include <netinet/ip_var.h> |
| 405 | #endif |
| 406 | |
| 407 | /* Linux (and some others) uses a different type for the 2nd argument of |
| 408 | iconv(). It's os.h file defines ICONV_ARG2_TYPE. For the rest, define a default |
| 409 | here. */ |
| 410 | |
| 411 | #ifndef ICONV_ARG2_TYPE |
| 412 | # define ICONV_ARG2_TYPE char ** |
| 413 | #endif |
| 414 | |
| 415 | /* One OS uses a different type for the 5th argument of getsockopt */ |
| 416 | |
| 417 | #ifndef GETSOCKOPT_ARG5_TYPE |
| 418 | # define GETSOCKOPT_ARG5_TYPE socklen_t * |
| 419 | #endif |
| 420 | |
| 421 | /* One operating system uses a different type for the 2nd argument of select(). |
| 422 | Its os.h file defines SELECT_ARG2_TYPE. For the rest, define a default here. */ |
| 423 | |
| 424 | #ifndef SELECT_ARG2_TYPE |
| 425 | # define SELECT_ARG2_TYPE fd_set |
| 426 | #endif |
| 427 | |
| 428 | /* One operating system uses a different type for the 4th argument of |
| 429 | dn_expand(). Its os.h file defines DN_EXPAND_ARG4_TYPE. For the rest, define a |
| 430 | default here. */ |
| 431 | |
| 432 | #ifndef DN_EXPAND_ARG4_TYPE |
| 433 | # define DN_EXPAND_ARG4_TYPE char * |
| 434 | #endif |
| 435 | |
| 436 | /* One operating system defines a different type for the yield of inet_addr(). |
| 437 | In Exim code, its value is always assigned to the s_addr members of address |
| 438 | structures. Casting the yield to the type of s_addr should fix the problem, |
| 439 | since the size of the data is correct. Just in case this ever has to be |
| 440 | changed, use a macro for the type, and define it here so that it is possible to |
| 441 | use different values for specific OS if ever necessary. */ |
| 442 | |
| 443 | #ifndef S_ADDR_TYPE |
| 444 | # define S_ADDR_TYPE u_long |
| 445 | #endif |
| 446 | |
| 447 | /* (At least) one operating system (Solaris) defines a different type for the |
| 448 | second argument of pam_converse() - the difference is the absence of "const". |
| 449 | Its os.h file defines PAM_CONVERSE_ARG2_TYPE. For the rest, define a default |
| 450 | here. */ |
| 451 | |
| 452 | #ifndef PAM_CONVERSE_ARG2_TYPE |
| 453 | # define PAM_CONVERSE_ARG2_TYPE const struct pam_message |
| 454 | #endif |
| 455 | |
| 456 | /* One operating system (SunOS4) defines getc, ungetc, feof, and ferror as |
| 457 | macros and not as functions. Exim needs them to be assignable functions. This |
| 458 | flag gets set to cause this to be sorted out here. */ |
| 459 | |
| 460 | #ifdef FUDGE_GETC_AND_FRIENDS |
| 461 | # undef getc |
| 462 | extern int getc(FILE *); |
| 463 | # undef ungetc |
| 464 | extern int ungetc(int, FILE *); |
| 465 | # undef feof |
| 466 | extern int feof(FILE *); |
| 467 | # undef ferror |
| 468 | extern int ferror(FILE *); |
| 469 | #endif |
| 470 | |
| 471 | /* The header from the PCRE regex package */ |
| 472 | |
| 473 | #include <pcre.h> |
| 474 | |
| 475 | /* Exim includes are in several files. Note that local_scan.h #includes |
| 476 | config.h, mytypes.h, and store.h, so we don't need to mention them explicitly. |
| 477 | */ |
| 478 | |
| 479 | #include "local_scan.h" |
| 480 | #include "macros.h" |
| 481 | #include "dbstuff.h" |
| 482 | #include "structs.h" |
| 483 | #include "blob.h" |
| 484 | #include "globals.h" |
| 485 | #include "hash.h" |
| 486 | #include "functions.h" |
| 487 | #include "dbfunctions.h" |
| 488 | #include "osfunctions.h" |
| 489 | |
| 490 | #ifdef EXPERIMENTAL_BRIGHTMAIL |
| 491 | # include "bmi_spam.h" |
| 492 | #endif |
| 493 | #ifdef SUPPORT_SPF |
| 494 | # include "spf.h" |
| 495 | #endif |
| 496 | #ifdef EXPERIMENTAL_SRS |
| 497 | # include "srs.h" |
| 498 | #endif |
| 499 | #ifndef DISABLE_DKIM |
| 500 | # include "dkim.h" |
| 501 | #endif |
| 502 | #ifdef EXPERIMENTAL_DMARC |
| 503 | # include "dmarc.h" |
| 504 | # include <opendmarc/dmarc.h> |
| 505 | #endif |
| 506 | |
| 507 | /* The following stuff must follow the inclusion of config.h because it |
| 508 | requires various things that are set therein. */ |
| 509 | |
| 510 | #if HAVE_ICONV /* Not all OS have this */ |
| 511 | # include <iconv.h> |
| 512 | #endif |
| 513 | |
| 514 | #if defined(USE_READLINE) || defined(EXPAND_DLFUNC) || defined (LOOKUP_MODULE_DIR) |
| 515 | # include <dlfcn.h> |
| 516 | #endif |
| 517 | |
| 518 | #ifdef ENABLE_DISABLE_FSYNC |
| 519 | # define EXIMfsync(f) (disable_fsync? 0 : fsync(f)) |
| 520 | #else |
| 521 | # define EXIMfsync(f) fsync(f) |
| 522 | #endif |
| 523 | |
| 524 | /* Backward compatibility; LOOKUP_LSEARCH now includes all three */ |
| 525 | |
| 526 | #if (!defined LOOKUP_LSEARCH) && (defined LOOKUP_WILDLSEARCH || defined LOOKUP_NWILDLSEARCH) |
| 527 | # define LOOKUP_LSEARCH yes |
| 528 | #endif |
| 529 | |
| 530 | /* Define a union to hold either an IPv4 or an IPv6 sockaddr structure; this |
| 531 | simplifies some of the coding. We include the sockaddr to reduce type-punning |
| 532 | issues in C99. */ |
| 533 | |
| 534 | union sockaddr_46 { |
| 535 | struct sockaddr_in v4; |
| 536 | #if HAVE_IPV6 |
| 537 | struct sockaddr_in6 v6; |
| 538 | #endif |
| 539 | struct sockaddr v0; |
| 540 | }; |
| 541 | |
| 542 | /* If SUPPORT_TLS is not defined, ensure that USE_GNUTLS is also not defined |
| 543 | so that if USE_GNUTLS *is* set, we can assume SUPPORT_TLS is also set. |
| 544 | Likewise, OSCP, AUTH_TLS and CERTNAMES cannot be supported. */ |
| 545 | |
| 546 | #ifndef SUPPORT_TLS |
| 547 | # undef USE_GNUTLS |
| 548 | # ifndef DISABLE_OCSP |
| 549 | # define DISABLE_OCSP |
| 550 | # endif |
| 551 | # undef EXPERIMENTAL_CERTNAMES |
| 552 | # undef AUTH_TLS |
| 553 | #endif |
| 554 | |
| 555 | /* If SPOOL_DIRECTORY, LOG_FILE_PATH or PID_FILE_PATH have not been defined, |
| 556 | set them to the null string. */ |
| 557 | |
| 558 | #ifndef SPOOL_DIRECTORY |
| 559 | #define SPOOL_DIRECTORY "" |
| 560 | #endif |
| 561 | #ifndef LOG_FILE_PATH |
| 562 | #define LOG_FILE_PATH "" |
| 563 | #endif |
| 564 | #ifndef PID_FILE_PATH |
| 565 | #define PID_FILE_PATH "" |
| 566 | #endif |
| 567 | |
| 568 | /* The EDQUOT error code isn't universally available, though it is widespread. |
| 569 | There is a particular shambles in SunOS5, where it did not exist originally, |
| 570 | but got installed with a particular patch for Solaris 2.4. There is a |
| 571 | configuration variable for specifying what the system's "over quota" error is, |
| 572 | which will end up in config.h if supplied in OS/Makefile-xxx. If it is not set, |
| 573 | default to EDQUOT if it exists, otherwise ENOSPC. */ |
| 574 | |
| 575 | #ifndef ERRNO_QUOTA |
| 576 | # ifdef EDQUOT |
| 577 | # define ERRNO_QUOTA EDQUOT |
| 578 | # else |
| 579 | # define ERRNO_QUOTA ENOSPC |
| 580 | # endif |
| 581 | #endif |
| 582 | |
| 583 | /* DANE w/o DNSSEC is useless */ |
| 584 | #if defined(SUPPORT_DANE) && defined(DISABLE_DNSSEC) |
| 585 | # error DANE support requires DNSSEC support |
| 586 | #endif |
| 587 | |
| 588 | /* Some platforms (FreeBSD, OpenBSD, Solaris) do not seem to define this */ |
| 589 | |
| 590 | #ifndef POLLRDHUP |
| 591 | # define POLLRDHUP (POLLIN | POLLHUP) |
| 592 | #endif |
| 593 | |
| 594 | /* Some platforms (Darwin) have to define a larger limit on groups membership */ |
| 595 | |
| 596 | #ifndef EXIM_GROUPLIST_SIZE |
| 597 | # define EXIM_GROUPLIST_SIZE NGROUPS_MAX |
| 598 | #endif |
| 599 | |
| 600 | #endif |
| 601 | /* End of exim.h */ |