1 /************************************************* 2 * Exim - an Internet mail transport agent * 3 *************************************************/ 4 5 /* Copyright (c) University of Cambridge 1995 - 2018 */ 6 /* Copyright (c) The Exim Maintainers 2020 */ 7 /* See the file NOTICE for conditions of use and distribution. */ 8 9 10 /* These two macros make it possible to obtain the result of macro-expanding 11 a string as a text string. This is sometimes useful for debugging output. */ 12 13 #define mac_string(s) # s 14 #define mac_expanded_string(s) mac_string(s) 15 16 /* Number of elements of an array */ 17 #define nelem(arr) (sizeof(arr) / sizeof(*arr)) 18 19 /* Maximum of two items */ 20 #ifndef MAX 21 # define MAX(a,b) ((a) > (b) ? (a) : (b)) 22 #endif 23 24 25 /* When running in the test harness, the load average is fudged. */ 26 27 #define OS_GETLOADAVG() \ 28 (f.running_in_test_harness? (test_harness_load_avg += 10) : os_getloadavg()) 29 30 31 /* The address_item structure has a struct full of 1-bit flags. These macros 32 manipulate them. */ 33 34 #define setflag(addr, flagname) addr->flags.flagname = TRUE 35 #define clearflag(addr, flagname) addr->flags.flagname = FALSE 36 37 #define testflag(addr, flagname) (addr->flags.flagname) 38 39 #define copyflag(addrnew, addrold, flagname) \ 40 addrnew->flags.flagname = addrold->flags.flagname 41 42 43 /* For almost all calls to convert things to printing characters, we want to 44 allow tabs & spaces. A macro just makes life a bit easier. */ 45 46 #define string_printing(s) string_printing2((s), 0) 47 #define SP_TAB BIT(0) 48 #define SP_SPACE BIT(1) 49 50 51 /* We need a special return code for "no recipients and failed to send an error 52 message". ANSI C defines only EXIT_FAILURE and EXIT_SUCCESS. On the assumption 53 that these are always 1 and 0 on Unix systems ... */ 54 55 #define EXIT_NORECIPIENTS 2 56 57 58 /* Character-handling macros. It seems that the set of standard functions in 59 ctype.h aren't actually all that useful. One reason for this is that email is 60 international, so the concept of using a locale to vary what they do is not 61 helpful. Another problem is that in different operating systems, the libraries 62 yield different results, even in the default locale. For example, Linux yields 63 TRUE for iscntrl() for all characters > 127, whereas many other systems yield 64 FALSE. For these reasons we define our own set of macros for a number of 65 character testing functions. Ensure that all these tests treat their arguments 66 as unsigned. */ 67 68 #define mac_iscntrl(c) \ 69 ((uschar)(c) < 32 || (uschar)(c) == 127) 70 71 #define mac_iscntrl_or_special(c) \ 72 ((uschar)(c) < 32 || strchr(" ()<>@,;:\\\".[]\177", (uschar)(c)) != NULL) 73 74 #define mac_isgraph(c) \ 75 ((uschar)(c) > 32 && (uschar)(c) != 127) 76 77 #define mac_isprint(c) \ 78 (((uschar)(c) >= 32 && (uschar)(c) <= 126) || c == '\t' || \ 79 ((uschar)(c) > 127 && print_topbitchars)) 80 81 82 /* Convenience for testing strings */ 83 84 #define streqic(Foo, Bar) (strcmpic(Foo, Bar) == 0) 85 86 87 /* When built with TLS support, the act of flushing SMTP output becomes 88 a no-op once an SSL session is in progress. */ 89 90 #ifndef DISABLE_TLS 91 #define mac_smtp_fflush() if (tls_in.active.sock < 0) fflush(smtp_out); 92 #else 93 #define mac_smtp_fflush() fflush(smtp_out); 94 #endif 95 96 97 /* Define which ends of pipes are for reading and writing, as some systems 98 don't make the file descriptors two-way. */ 99 100 #define pipe_read 0 101 #define pipe_write 1 102 103 /* The RFC 1413 ident port */ 104 105 #define IDENT_PORT 113 106 107 /* A macro to simplify testing bits in lookup types */ 108 109 #define mac_islookup(a,b) ((lookup_list[a]->type & (b)) != 0) 110 111 /* Debugging control */ 112 113 #define DEBUG(x) if (debug_selector & (x)) 114 #define HDEBUG(x) if (host_checking || (debug_selector & (x))) 115 116 /* The default From: text for DSNs */ 117 118 #define DEFAULT_DSN_FROM "Mail Delivery System <Mailer-Daemon@$qualify_domain>" 119 120 /* The size of the vector for saving/restoring address expansion pointers while 121 verifying. This has to be explicit because it is referenced in more than one 122 source module. */ 123 124 #define ADDRESS_EXPANSIONS_COUNT 19 125 126 /* The maximum permitted number of command-line (-D) macro definitions. We 127 need a limit only to make it easier to generate argument vectors for re-exec 128 of Exim. */ 129 130 #define MAX_CLMACROS 10 131 132 /* The number of integer variables available in filter files. If this is 133 changed, then the tables in expand.c for accessing them must be changed too. */ 134 135 #define FILTER_VARIABLE_COUNT 10 136 137 /* The size of the vector holding delay warning times */ 138 139 #define DELAY_WARNING_SIZE 12 140 141 /* The size of the buffer holding the processing information string. */ 142 143 #define PROCESS_INFO_SIZE 384 144 145 /* The size of buffer to get for constructing log entries. Make it big 146 enough to hold all the headers from a normal kind of message. */ 147 148 #define LOG_BUFFER_SIZE 8192 149 150 /* The size of the circular buffer that remembers recent SMTP commands */ 151 152 #define SMTP_HBUFF_SIZE 20 153 #define SMTP_HBUFF_PREV(n) ((n) ? (n)-1 : SMTP_HBUFF_SIZE-1) 154 155 /* The initial size of a big buffer for use in various places. It gets put 156 into big_buffer_size and in some circumstances increased. It should be at least 157 as long as the maximum path length PLUS room for string additions. 158 Let's go with "at least twice as large as maximum path length". 159 */ 160 161 #ifdef AUTH_HEIMDAL_GSSAPI 162 /* RFC 4121 section 5.2, SHOULD support 64K input buffers */ 163 # define __BIG_BUFFER_SIZE 65536 164 #else 165 # define __BIG_BUFFER_SIZE 16384 166 #endif 167 168 #ifndef PATH_MAX 169 /* exim.h will have ensured this exists before including us. */ 170 # error headers confusion, PATH_MAX missing in macros.h 171 #endif 172 #if (PATH_MAX*2) > __BIG_BUFFER_SIZE 173 # define BIG_BUFFER_SIZE (PATH_MAX*2) 174 #else 175 # define BIG_BUFFER_SIZE __BIG_BUFFER_SIZE 176 #endif 177 178 /* header size of pipe content 179 currently: char id, char subid, char[5] length */ 180 #define PIPE_HEADER_SIZE 7 181 182 /* This limits the length of data returned by local_scan(). Because it is 183 written on the spool, it gets read into big_buffer. */ 184 185 #define LOCAL_SCAN_MAX_RETURN (BIG_BUFFER_SIZE - 24) 186 187 /* The length of the base names of spool files, which consist of an internal 188 message id with a trailing "-H" or "-D" added. */ 189 190 #define SPOOL_NAME_LENGTH (MESSAGE_ID_LENGTH+2) 191 192 /* The maximum number of message ids to store in a waiting database 193 record, and the max number of continuation records allowed. */ 194 195 #define WAIT_NAME_MAX 50 196 #define WAIT_CONT_MAX 1000 197 198 /* Fixed option values for all PCRE functions */ 199 200 #define PCRE_COPT 0 /* compile */ 201 #define PCRE_EOPT 0 /* exec */ 202 203 /* Macros for trivial functions */ 204 205 #define mac_ismsgid(s) \ 206 (pcre_exec(regex_ismsgid,NULL,CS s,Ustrlen(s),0,PCRE_EOPT,NULL,0) >= 0) 207 208 209 /* Options for dns_next_rr */ 210 211 enum { RESET_NEXT, RESET_ANSWERS, RESET_AUTHORITY, RESET_ADDITIONAL }; 212 213 /* Argument values for the time-of-day function */ 214 215 enum { tod_log, tod_log_bare, tod_log_zone, tod_log_datestamp_daily, 216 tod_log_datestamp_monthly, tod_zone, tod_full, tod_bsdin, 217 tod_mbx, tod_epoch, tod_epoch_l, tod_zulu }; 218 219 /* For identifying types of driver */ 220 221 enum { 222 EXIM_DTYPE_NONE, 223 EXIM_DTYPE_ROUTER, 224 EXIM_DTYPE_TRANSPORT 225 }; 226 227 /* Error numbers for generating error messages when reading a message on the 228 standard input. */ 229 230 enum { 231 ERRMESS_BADARGADDRESS, /* Bad address via argument list */ 232 ERRMESS_BADADDRESS, /* Bad address read via -t */ 233 ERRMESS_NOADDRESS, /* Message has no addresses */ 234 ERRMESS_IGADDRESS, /* All -t addresses ignored */ 235 ERRMESS_BADNOADDRESS, /* Bad address via -t, leaving none */ 236 ERRMESS_IOERR, /* I/O error while reading a message */ 237 ERRMESS_VLONGHEADER, /* Excessively long message header */ 238 ERRMESS_VLONGHDRLINE, /* Excessively long single line in header */ 239 ERRMESS_TOOBIG, /* Message too big */ 240 ERRMESS_TOOMANYRECIP, /* Too many recipients */ 241 ERRMESS_LOCAL_SCAN, /* Rejected by local scan */ 242 ERRMESS_LOCAL_ACL /* Rejected by non-SMTP ACL */ 243 #ifdef SUPPORT_DMARC 244 ,ERRMESS_DMARC_FORENSIC /* DMARC Forensic Report */ 245 #endif 246 }; 247 248 /* Error handling styles - set by option, and apply only when receiving 249 a local message not via SMTP. */ 250 251 enum { 252 ERRORS_SENDER, /* Return to sender (default) */ 253 ERRORS_STDERR /* Write on stderr */ 254 }; 255 256 /* Exec control values when Exim execs itself via child_exec_exim. */ 257 258 enum { 259 CEE_RETURN_ARGV, /* Don't exec, just build and return argv */ 260 CEE_EXEC_EXIT, /* Just exit if exec fails */ 261 CEE_EXEC_PANIC /* Panic-die if exec fails */ 262 }; 263 264 /* Bit values for filter_test */ 265 266 #define FTEST_NONE 0 /* Not filter testing */ 267 #define FTEST_USER 1 /* Testing user filter */ 268 #define FTEST_SYSTEM 2 /* Testing system filter */ 269 270 /* Returns from the routing, transport and authentication functions (not all 271 apply to all of them). Some other functions also use these convenient values, 272 and some additional values are used only by non-driver functions. 273 274 OK, FAIL, DEFER, ERROR, and FAIL_FORCED are also declared in local_scan.h for 275 use in the local_scan() function and in ${dlfunc loaded functions. Do not 276 change them unilaterally. 277 278 Use rc_names[] for debug strings. */ 279 280 #define OK 0 /* Successful match */ 281 #define DEFER 1 /* Defer - some problem */ 282 #define FAIL 2 /* Matching failed */ 283 #define ERROR 3 /* Internal or config error */ 284 #define FAIL_FORCED 4 /* "Forced" failure */ 285 /***********/ 286 #define DECLINE 5 /* Declined to handle the address, pass to next 287 router unless no_more is set */ 288 #define PASS 6 /* Pass to next driver, or to pass_router, 289 even if no_more is set */ 290 #define DISCARD 7 /* Address routed to :blackhole: or "seen finish" */ 291 #define SKIP 8 /* Skip this router (used in route_address only) */ 292 #define REROUTED 9 /* Address was changed and child created*/ 293 #define PANIC 10 /* Hard failed with internal error */ 294 #define BAD64 11 /* Bad base64 data (auth) */ 295 #define UNEXPECTED 12 /* Unexpected initial auth data */ 296 #define CANCELLED 13 /* Authentication cancelled */ 297 #define FAIL_SEND 14 /* send() failed in authenticator */ 298 #define FAIL_DROP 15 /* Fail and drop connection (used in ACL) */ 299 #define DANE 16 /* Deferred for domain mismatch (used in transport) */ 300 301 /* Returns from the deliver_message() function */ 302 303 #define DELIVER_ATTEMPTED_NORMAL 0 /* Tried a normal delivery */ 304 #define DELIVER_MUA_SUCCEEDED 1 /* Success when mua_wrapper is set */ 305 #define DELIVER_MUA_FAILED 2 /* Failure when mua_wrapper is set */ 306 #define DELIVER_NOT_ATTEMPTED 3 /* Not tried (no msg or is locked */ 307 308 /* Returns from DNS lookup functions. Use dns_rc_names[] for debug strings */ 309 310 enum { DNS_SUCCEED, DNS_NOMATCH, DNS_NODATA, DNS_AGAIN, DNS_FAIL }; 311 312 /* Ending states when reading a message. The order is important. The test 313 for having to swallow the rest of an SMTP message is whether the value is 314 >= END_NOTENDED. */ 315 316 #define END_NOTSTARTED 0 /* Message not started */ 317 #define END_DOT 1 /* Message ended with '.' */ 318 #define END_EOF 2 /* Message ended with EOF (error for SMTP) */ 319 #define END_NOTENDED 3 /* Message reading not yet ended */ 320 #define END_SIZE 4 /* Reading ended because message too big */ 321 #define END_WERROR 5 /* Write error while reading the message */ 322 #define END_PROTOCOL 6 /* Protocol error in CHUNKING sequence */ 323 324 /* result codes for bdat_getc() (which can also return EOF) */ 325 326 #define EOD (-2) 327 #define ERR (-3) 328 329 330 /* Bit masks for debug and log selectors */ 331 332 /* Assume words are 32 bits wide. Tiny waste of space on 64 bit 333 platforms, but this ensures bit vectors always work the same way. */ 334 #define BITWORDSIZE 32 335 336 /* This macro is for single-word bit vectors: the debug selector, 337 and the first word of the log selector. */ 338 #define BIT(n) (1UL << (n)) 339 340 /* And these are for multi-word vectors. */ 341 #define BITWORD(n) ( (n) / BITWORDSIZE) 342 #define BITMASK(n) (1U << (n) % BITWORDSIZE) 343 344 #define BIT_CLEAR(s,z,n) ((s)[BITWORD(n)] &= ~BITMASK(n)) 345 #define BIT_SET(s,z,n) ((s)[BITWORD(n)] |= BITMASK(n)) 346 #define BIT_TEST(s,z,n) (((s)[BITWORD(n)] & BITMASK(n)) != 0) 347 348 /* Used in globals.c for initializing bit_table structures. T will be either 349 D or L corresponding to the debug and log selector bits declared below. */ 350 351 #define BIT_TABLE(T,name) { US #name, T##i_##name } 352 353 /* IOTA allows us to keep an implicit sequential count, like a simple enum, 354 but we can have sequentially numbered identifiers which are not declared 355 sequentially. We use this for more compact declarations of bit indexes and 356 masks, alternating between sequential bit index and corresponding mask. */ 357 358 #define IOTA(iota) (__LINE__ - iota) 359 #define IOTA_INIT(zero) (__LINE__ - zero + 1) 360 361 /* Options bits for debugging. DEBUG_BIT() declares both a bit index and the 362 corresponding mask. Di_all is a special value recognized by decode_bits(). 363 These must match the debug_options table in globals.c . 364 365 Exim's code assumes in a number of places that the debug_selector is one 366 word, and this is exposed in the local_scan ABI. The D_v and D_local_scan bit 367 masks are part of the local_scan API so are #defined in local_scan.h */ 368 369 #define DEBUG_BIT(name) Di_##name = IOTA(Di_iota), D_##name = (int)BIT(Di_##name) 370 371 enum { 372 Di_all = -1, 373 Di_v = 0, 374 Di_local_scan = 1, 375 376 Di_iota = IOTA_INIT(2), 377 DEBUG_BIT(acl), /* 2 */ 378 DEBUG_BIT(auth), 379 DEBUG_BIT(deliver), 380 DEBUG_BIT(dns), 381 DEBUG_BIT(dnsbl), 382 DEBUG_BIT(exec), /* 7 */ 383 DEBUG_BIT(expand), 384 DEBUG_BIT(filter), 385 DEBUG_BIT(hints_lookup), 386 DEBUG_BIT(host_lookup), 387 DEBUG_BIT(ident), 388 DEBUG_BIT(interface), 389 DEBUG_BIT(lists), 390 DEBUG_BIT(load), /* 15 */ 391 DEBUG_BIT(lookup), 392 DEBUG_BIT(memory), 393 DEBUG_BIT(noutf8), 394 DEBUG_BIT(pid), 395 DEBUG_BIT(process_info), 396 DEBUG_BIT(queue_run), 397 DEBUG_BIT(receive), 398 DEBUG_BIT(resolver), /* 23 */ 399 DEBUG_BIT(retry), 400 DEBUG_BIT(rewrite), 401 DEBUG_BIT(route), 402 DEBUG_BIT(timestamp), 403 DEBUG_BIT(tls), 404 DEBUG_BIT(transport), 405 DEBUG_BIT(uid), 406 DEBUG_BIT(verify), /* 31 */ 407 }; 408 409 /* Multi-bit debug masks */ 410 411 #define D_all 0xffffffff 412 413 #define D_any (D_all & \ 414 ~(D_v | \ 415 D_noutf8 | \ 416 D_pid | \ 417 D_timestamp) ) 418 419 #define D_default (0xffffffff & \ 420 ~(D_expand | \ 421 D_filter | \ 422 D_interface | \ 423 D_load | \ 424 D_local_scan | \ 425 D_memory | \ 426 D_noutf8 | \ 427 D_pid | \ 428 D_timestamp | \ 429 D_resolver)) 430 431 /* Options bits for logging. Those that have values < BITWORDSIZE can be used 432 in calls to log_write(). The others are put into later words in log_selector 433 and are only ever tested independently, so they do not need bit mask 434 declarations. The Li_all value is recognized specially by decode_bits(). 435 Add also to log_options[] when creating new ones. */ 436 437 #define LOG_BIT(name) Li_##name = IOTA(Li_iota), L_##name = BIT(Li_##name) 438 439 enum logbit { 440 Li_all = -1, 441 442 Li_iota = IOTA_INIT(0), 443 LOG_BIT(address_rewrite), 444 LOG_BIT(all_parents), 445 LOG_BIT(connection_reject), 446 LOG_BIT(delay_delivery), 447 LOG_BIT(dnslist_defer), 448 LOG_BIT(etrn), 449 LOG_BIT(host_lookup_failed), 450 LOG_BIT(lost_incoming_connection), 451 LOG_BIT(queue_run), 452 LOG_BIT(retry_defer), 453 LOG_BIT(size_reject), 454 LOG_BIT(skip_delivery), 455 LOG_BIT(smtp_connection), 456 LOG_BIT(smtp_incomplete_transaction), 457 LOG_BIT(smtp_protocol_error), 458 LOG_BIT(smtp_syntax_error), 459 460 Li_8bitmime = BITWORDSIZE, 461 Li_acl_warn_skipped, 462 Li_arguments, 463 Li_deliver_time, 464 Li_delivery_size, 465 Li_dkim, 466 Li_dkim_verbose, 467 Li_dnssec, 468 Li_ident_timeout, 469 Li_incoming_interface, 470 Li_incoming_port, 471 Li_millisec, 472 Li_msg_id, 473 Li_msg_id_created, 474 Li_outgoing_interface, 475 Li_outgoing_port, 476 Li_pid, 477 Li_pipelining, 478 Li_protocol_detail, 479 Li_proxy, 480 Li_queue_time, 481 Li_queue_time_exclusive, 482 Li_queue_time_overall, 483 Li_receive_time, 484 Li_received_sender, 485 Li_received_recipients, 486 Li_rejected_header, 487 Li_return_path_on_delivery, 488 Li_sender_on_delivery, 489 Li_sender_verify_fail, 490 Li_smtp_confirmation, 491 Li_smtp_mailauth, 492 Li_smtp_no_mail, 493 Li_subject, 494 #ifdef ALLOW_INSECURE_TAINTED_DATA 495 Li_tainted, 496 #endif 497 Li_tls_certificate_verified, 498 Li_tls_cipher, 499 Li_tls_peerdn, 500 Li_tls_resumption, 501 Li_tls_sni, 502 Li_unknown_in_list, 503 504 log_selector_size = BITWORD(Li_unknown_in_list) + 1 505 }; 506 507 #define LOGGING(opt) BIT_TEST(log_selector, log_selector_size, Li_##opt) 508 509 /* Private error numbers for delivery failures, set negative so as not 510 to conflict with system errno values. Take care to maintain the string 511 table exim_errstrings[] in log.c */ 512 513 #define ERRNO_UNKNOWNERROR (-1) 514 #define ERRNO_USERSLASH (-2) 515 #define ERRNO_EXISTRACE (-3) 516 #define ERRNO_NOTREGULAR (-4) 517 #define ERRNO_NOTDIRECTORY (-5) 518 #define ERRNO_BADUGID (-6) 519 #define ERRNO_BADMODE (-7) 520 #define ERRNO_INODECHANGED (-8) 521 #define ERRNO_LOCKFAILED (-9) 522 #define ERRNO_BADADDRESS2 (-10) 523 #define ERRNO_FORBIDPIPE (-11) 524 #define ERRNO_FORBIDFILE (-12) 525 #define ERRNO_FORBIDREPLY (-13) 526 #define ERRNO_MISSINGPIPE (-14) 527 #define ERRNO_MISSINGFILE (-15) 528 #define ERRNO_MISSINGREPLY (-16) 529 #define ERRNO_BADREDIRECT (-17) 530 #define ERRNO_SMTPCLOSED (-18) 531 #define ERRNO_SMTPFORMAT (-19) 532 #define ERRNO_SPOOLFORMAT (-20) 533 #define ERRNO_NOTABSOLUTE (-21) 534 #define ERRNO_EXIMQUOTA (-22) /* Exim-imposed quota */ 535 #define ERRNO_HELD (-23) 536 #define ERRNO_FILTER_FAIL (-24) /* Delivery filter process failure */ 537 #define ERRNO_CHHEADER_FAIL (-25) /* Delivery add/remove header failure */ 538 #define ERRNO_WRITEINCOMPLETE (-26) /* Delivery write incomplete error */ 539 #define ERRNO_EXPANDFAIL (-27) /* Some expansion failed */ 540 #define ERRNO_GIDFAIL (-28) /* Failed to get gid */ 541 #define ERRNO_UIDFAIL (-29) /* Failed to get uid */ 542 #define ERRNO_BADTRANSPORT (-30) /* Unset or non-existent transport */ 543 #define ERRNO_MBXLENGTH (-31) /* MBX length mismatch */ 544 #define ERRNO_UNKNOWNHOST (-32) /* Lookup failed routing or in smtp tpt */ 545 #define ERRNO_FORMATUNKNOWN (-33) /* Can't match format in appendfile */ 546 #define ERRNO_BADCREATE (-34) /* Creation outside home in appendfile */ 547 #define ERRNO_LISTDEFER (-35) /* Can't check a list; lookup defer */ 548 #define ERRNO_DNSDEFER (-36) /* DNS lookup defer */ 549 #define ERRNO_TLSFAILURE (-37) /* Failed to start TLS session */ 550 #define ERRNO_TLSREQUIRED (-38) /* Mandatory TLS session not started */ 551 #define ERRNO_CHOWNFAIL (-39) /* Failed to chown a file */ 552 #define ERRNO_PIPEFAIL (-40) /* Failed to create a pipe */ 553 #define ERRNO_CALLOUTDEFER (-41) /* When verifying */ 554 #define ERRNO_AUTHFAIL (-42) /* When required by client */ 555 #define ERRNO_CONNECTTIMEOUT (-43) /* Used internally in smtp transport */ 556 #define ERRNO_RCPT4XX (-44) /* RCPT gave 4xx error */ 557 #define ERRNO_MAIL4XX (-45) /* MAIL gave 4xx error */ 558 #define ERRNO_DATA4XX (-46) /* DATA gave 4xx error */ 559 #define ERRNO_PROXYFAIL (-47) /* Negotiation failed for proxy configured host */ 560 #define ERRNO_AUTHPROB (-48) /* Authenticator "other" failure */ 561 #define ERRNO_UTF8_FWD (-49) /* target not supporting SMTPUTF8 */ 562 #define ERRNO_HOST_IS_LOCAL (-50) /* Transport refuses to talk to localhost */ 563 #define ERRNO_TAINT (-51) /* Transport refuses to talk use tainted filename */ 564 565 /* These must be last, so all retry deferments can easily be identified */ 566 567 #define ERRNO_RETRY_BASE (-52) /* Base to test against */ 568 #define ERRNO_RRETRY (-52) /* Not time for routing */ 569 570 #define ERRNO_WARN_BASE (-53) /* Base to test against */ 571 #define ERRNO_LRETRY (-53) /* Not time for local delivery */ 572 #define ERRNO_HRETRY (-54) /* Not time for any remote host */ 573 #define ERRNO_LOCAL_ONLY (-55) /* Local-only delivery */ 574 #define ERRNO_QUEUE_DOMAIN (-56) /* Domain in queue_domains */ 575 #define ERRNO_TRETRY (-57) /* Transport concurrency limit */ 576 #define ERRNO_EVENT (-58) /* Event processing request alternate response */ 577 578 579 580 /* Special actions to take after failure or deferment. */ 581 582 enum { 583 SPECIAL_NONE, /* No special action */ 584 SPECIAL_FREEZE, /* Freeze message */ 585 SPECIAL_FAIL, /* Fail the delivery */ 586 SPECIAL_WARN /* Send a warning message */ 587 }; 588 589 /* Flags that get ORed into the more_errno field of an address to give more 590 information about errors for retry purposes. They are greater than 256, because 591 the bottom byte contains 'A' or 'M' for remote addresses, to indicate whether 592 the name was looked up only via an address record or whether MX records were 593 used, respectively. */ 594 595 #define RTEF_CTOUT 0x0100 /* Connection timed out */ 596 597 /* Permission and other options for parse_extract_addresses(), 598 filter_interpret(), and rda_interpret(), i.e. what special things are allowed 599 in redirection operations. Not all apply to all cases. Some of the bits allow 600 and some forbid, reflecting the "allow" and "forbid" options in the redirect 601 router, which were chosen to represent the standard situation for users' 602 .forward files. */ 603 604 #define RDO_BLACKHOLE 0x00000001 /* Forbid :blackhole: */ 605 #define RDO_DEFER 0x00000002 /* Allow :defer: or "defer" */ 606 #define RDO_EACCES 0x00000004 /* Ignore EACCES */ 607 #define RDO_ENOTDIR 0x00000008 /* Ignore ENOTDIR */ 608 #define RDO_EXISTS 0x00000010 /* Forbid "exists" in expansion in filter */ 609 #define RDO_FAIL 0x00000020 /* Allow :fail: or "fail" */ 610 #define RDO_FILTER 0x00000040 /* Allow a filter script */ 611 #define RDO_FREEZE 0x00000080 /* Allow "freeze" */ 612 #define RDO_INCLUDE 0x00000100 /* Forbid :include: */ 613 #define RDO_LOG 0x00000200 /* Forbid "log" */ 614 #define RDO_LOOKUP 0x00000400 /* Forbid "lookup" in expansion in filter */ 615 #define RDO_PERL 0x00000800 /* Forbid "perl" in expansion in filter */ 616 #define RDO_READFILE 0x00001000 /* Forbid "readfile" in exp in filter */ 617 #define RDO_READSOCK 0x00002000 /* Forbid "readsocket" in exp in filter */ 618 #define RDO_RUN 0x00004000 /* Forbid "run" in expansion in filter */ 619 #define RDO_DLFUNC 0x00008000 /* Forbid "dlfunc" in expansion in filter */ 620 #define RDO_REALLOG 0x00010000 /* Really do log (not testing/verifying) */ 621 #define RDO_REWRITE 0x00020000 /* Rewrite generated addresses */ 622 #define RDO_EXIM_FILTER 0x00040000 /* Forbid Exim filters */ 623 #define RDO_SIEVE_FILTER 0x00080000 /* Forbid Sieve filters */ 624 #define RDO_PREPEND_HOME 0x00100000 /* Prepend $home to relative paths in Exim filter save commands */ 625 626 /* This is the set that apply to expansions in filters */ 627 628 #define RDO_FILTER_EXPANSIONS \ 629 (RDO_EXISTS|RDO_LOOKUP|RDO_PERL|RDO_READFILE|RDO_READSOCK|RDO_RUN|RDO_DLFUNC) 630 631 /* As well as the RDO bits themselves, we need the bit numbers in order to 632 access (most of) the individual bits as separate options. This could be 633 automated, but I haven't bothered. Keep this list in step with the above! */ 634 635 enum { RDON_BLACKHOLE, RDON_DEFER, RDON_EACCES, RDON_ENOTDIR, RDON_EXISTS, 636 RDON_FAIL, RDON_FILTER, RDON_FREEZE, RDON_INCLUDE, RDON_LOG, RDON_LOOKUP, 637 RDON_PERL, RDON_READFILE, RDON_READSOCK, RDON_RUN, RDON_DLFUNC, RDON_REALLOG, 638 RDON_REWRITE, RDON_EXIM_FILTER, RDON_SIEVE_FILTER, RDON_PREPEND_HOME }; 639 640 /* Results of filter or forward file processing. Some are only from a filter; 641 some are only from a forward file. */ 642 643 enum { 644 FF_DELIVERED, /* Success, took significant action */ 645 FF_NOTDELIVERED, /* Success, didn't take significant action */ 646 FF_BLACKHOLE, /* Blackholing requested */ 647 FF_DEFER, /* Defer requested */ 648 FF_FAIL, /* Fail requested */ 649 FF_INCLUDEFAIL, /* :include: failed */ 650 FF_NONEXIST, /* Forward file does not exist */ 651 FF_FREEZE, /* Freeze requested */ 652 FF_ERROR /* We have a problem */ 653 }; 654 655 /* Values for identifying particular headers; printing characters are used, so 656 they can be read in the spool file for those headers that are permanently 657 marked. The lower case values don't get onto the spool; they are used only as 658 return values from header_checkname(). */ 659 660 #define htype_other ' ' /* Unspecified header */ 661 #define htype_from 'F' 662 #define htype_to 'T' 663 #define htype_cc 'C' 664 #define htype_bcc 'B' 665 #define htype_id 'I' /* for message-id */ 666 #define htype_reply_to 'R' 667 #define htype_received 'P' /* P for Postmark */ 668 #define htype_sender 'S' 669 #define htype_old '*' /* Replaced header */ 670 671 #define htype_date 'd' 672 #define htype_return_path 'p' 673 #define htype_delivery_date 'x' 674 #define htype_envelope_to 'e' 675 #define htype_subject 's' 676 677 /* These values are used only when adding new headers from an ACL; they too 678 never get onto the spool. The type of the added header is set by reference 679 to the header name, by calling header_checkname(). */ 680 681 #define htype_add_top 'a' 682 #define htype_add_rec 'r' 683 #define htype_add_bot 'z' 684 #define htype_add_rfc 'f' 685 686 /* Types of item in options lists. These are the bottom 8 bits of the "type" 687 field, which is an int. The opt_void value is used for entries in tables that 688 point to special types of value that are accessed only indirectly (e.g. the 689 rewrite data that is built out of a string option.) We need to have some values 690 visible in local_scan, so the following are declared there: 691 692 opt_stringptr, opt_int, opt_octint, opt_mkint, opt_Kint, opt_fixed, opt_time, 693 opt_bool 694 695 To make sure we don't conflict, the local_scan.h values start from zero, and 696 those defined here start from 32. The boolean ones must all be together so they 697 can be easily tested as a group. That is the only use of opt_bool_last. */ 698 699 enum { opt_bit = 32, opt_bool_verify, opt_bool_set, opt_expand_bool, 700 opt_bool_last, 701 opt_rewrite, opt_timelist, opt_uid, opt_gid, opt_uidlist, opt_gidlist, 702 opt_expand_uid, opt_expand_gid, opt_func, opt_void }; 703 704 /* There's a high-ish bit which is used to flag duplicate options, kept 705 for compatibility, which shouldn't be output. Also used for hidden options 706 that are automatically maintained from others. Another high bit is used to 707 flag driver options that although private (so as to be settable only on some 708 drivers), are stored in the instance block so as to be accessible from outside. 709 A third high bit is set when an option is read, so as to be able to give an 710 error if any option is set twice. Finally, there's a bit which is set when an 711 option is set with the "hide" prefix, to prevent -bP from showing it to 712 non-admin callers. The next byte up in the int is used to keep the bit number 713 for booleans that are kept in one bit. */ 714 715 #define opt_hidden 0x100 /* Private to Exim */ 716 #define opt_public 0x200 /* Stored in the main instance block */ 717 #define opt_set 0x400 /* Option is set */ 718 #define opt_secure 0x800 /* "hide" prefix used */ 719 #define opt_rep_con 0x1000 /* Can be appended to by a repeated line (condition) */ 720 #define opt_rep_str 0x2000 /* Can be appended to by a repeated line (string) */ 721 #define opt_mask 0x00ff 722 723 /* Verify types when directing and routing */ 724 725 enum { v_none, v_sender, v_recipient, v_expn }; 726 727 /* Option flags for verify_address() */ 728 729 #define vopt_fake_sender 0x0001 /* for verify=sender=<address> */ 730 #define vopt_is_recipient 0x0002 731 #define vopt_qualify 0x0004 732 #define vopt_expn 0x0008 733 #define vopt_callout_fullpm 0x0010 /* full postmaster during callout */ 734 #define vopt_callout_random 0x0020 /* during callout */ 735 #define vopt_callout_no_cache 0x0040 /* disable callout cache */ 736 #define vopt_callout_recipsender 0x0080 /* use real sender to verify recip */ 737 #define vopt_callout_recippmaster 0x0100 /* use postmaster to verify recip */ 738 #define vopt_callout_hold 0x0200 /* lazy close connection */ 739 #define vopt_success_on_redirect 0x0400 740 #define vopt_quota 0x0800 /* quota check, to local/appendfile */ 741 742 /* Values for fields in callout cache records */ 743 744 #define ccache_unknown 0 /* test hasn't been done */ 745 #define ccache_accept 1 746 #define ccache_reject 2 /* All rejections except */ 747 #define ccache_reject_mfnull 3 /* MAIL FROM:<> was rejected */ 748 749 /* Options for lookup functions */ 750 751 #define lookup_querystyle 1 /* query-style lookup */ 752 #define lookup_absfile 2 /* requires absolute file name */ 753 #define lookup_absfilequery 4 /* query-style starts with file name */ 754 755 /* Status values for host_item blocks. Require hstatus_unusable and 756 hstatus_unusable_expired to be last. */ 757 758 enum { hstatus_unknown, hstatus_usable, hstatus_unusable, 759 hstatus_unusable_expired }; 760 761 /* Reasons why a host is unusable (for clearer log messages) */ 762 763 enum { hwhy_unknown, hwhy_retry, hwhy_insecure, hwhy_failed, hwhy_deferred, 764 hwhy_ignored }; 765 766 /* Domain lookup types for routers */ 767 768 #define LK_DEFAULT BIT(0) 769 #define LK_BYNAME BIT(1) 770 #define LK_BYDNS BIT(2) /* those 3 should be mutually exclusive */ 771 772 #define LK_IPV4_ONLY BIT(3) 773 #define LK_IPV4_PREFER BIT(4) 774 775 /* Values for the self_code fields */ 776 777 enum { self_freeze, self_defer, self_send, self_reroute, self_pass, self_fail }; 778 779 /* Flags for rewrite rules */ 780 781 #define rewrite_sender 0x0001 782 #define rewrite_from 0x0002 783 #define rewrite_to 0x0004 784 #define rewrite_cc 0x0008 785 #define rewrite_bcc 0x0010 786 #define rewrite_replyto 0x0020 787 #define rewrite_all_headers 0x003F /* all header flags */ 788 789 #define rewrite_envfrom 0x0040 790 #define rewrite_envto 0x0080 791 #define rewrite_all_envelope 0x00C0 /* all envelope flags */ 792 793 #define rewrite_all (rewrite_all_headers | rewrite_all_envelope) 794 795 #define rewrite_smtp 0x0100 /* rewrite at SMTP time */ 796 #define rewrite_smtp_sender 0x0200 /* SMTP sender rewrite (allows <>) */ 797 #define rewrite_qualify 0x0400 /* qualify if necessary */ 798 #define rewrite_repeat 0x0800 /* repeat rewrite rule */ 799 800 #define rewrite_whole 0x1000 /* option bit for headers */ 801 #define rewrite_quit 0x2000 /* "no more" option */ 802 803 /* Flags for log_write(); LOG_MAIN, LOG_PANIC, and LOG_REJECT are also in 804 local_scan.h */ 805 806 #define LOG_MAIN 1 /* Write to the main log */ 807 #define LOG_PANIC 2 /* Write to the panic log */ 808 #define LOG_PANIC_DIE 6 /* Write to the panic log and then die */ 809 #define LOG_REJECT 16 /* Write to the reject log, with headers */ 810 #define LOG_SENDER 32 /* Add raw sender to the message */ 811 #define LOG_RECIPIENTS 64 /* Add raw recipients to the message */ 812 #define LOG_CONFIG 128 /* Add "Exim configuration error" */ 813 #define LOG_CONFIG_FOR (256+128) /* Add " for" instead of ":\n" */ 814 #define LOG_CONFIG_IN (512+128) /* Add " in line x[ of file y]" */ 815 816 /* and for debug_bits() logging action control: */ 817 #define DEBUG_FROM_CONFIG 0x0001 818 819 /* SMTP command identifiers for the smtp_connection_had field that records the 820 most recent SMTP commands. Must be kept in step with the list of names in 821 smtp_in.c that is used for creating the smtp_no_mail logging action. SCH_NONE 822 is "empty". */ 823 824 enum { SCH_NONE, SCH_AUTH, SCH_DATA, SCH_BDAT, 825 SCH_EHLO, SCH_ETRN, SCH_EXPN, SCH_HELO, 826 SCH_HELP, SCH_MAIL, SCH_NOOP, SCH_QUIT, SCH_RCPT, SCH_RSET, SCH_STARTTLS, 827 SCH_VRFY }; 828 829 /* Returns from host_find_by{name,dns}() */ 830 831 enum { 832 HOST_FIND_FAILED, /* failed to find the host */ 833 HOST_FIND_AGAIN, /* could not resolve at this time */ 834 HOST_FIND_SECURITY, /* dnssec required but not acheived */ 835 HOST_FOUND, /* found host */ 836 HOST_FOUND_LOCAL, /* found, but MX points to local host */ 837 HOST_IGNORED /* found but ignored - used internally only */ 838 }; 839 840 /* Flags for host_find_bydns() */ 841 842 #define HOST_FIND_BY_SRV BIT(0) 843 #define HOST_FIND_BY_MX BIT(1) 844 #define HOST_FIND_BY_A BIT(2) 845 #define HOST_FIND_BY_AAAA BIT(3) 846 #define HOST_FIND_QUALIFY_SINGLE BIT(4) 847 #define HOST_FIND_SEARCH_PARENTS BIT(5) 848 #define HOST_FIND_IPV4_FIRST BIT(6) 849 #define HOST_FIND_IPV4_ONLY BIT(7) 850 851 /* Actions applied to specific messages. */ 852 853 enum { MSG_DELIVER, MSG_FREEZE, MSG_REMOVE, MSG_THAW, MSG_ADD_RECIPIENT, 854 MSG_MARK_ALL_DELIVERED, MSG_MARK_DELIVERED, MSG_EDIT_SENDER, 855 MSG_SHOW_COPY, MSG_LOAD, MSG_SETQUEUE, 856 /* These ones must be last: a test for >= MSG_SHOW_BODY is used 857 to test for actions that list individual spool files. */ 858 MSG_SHOW_BODY, MSG_SHOW_HEADER, MSG_SHOW_LOG }; 859 860 /* Returns from the spool_read_header() function */ 861 862 enum { 863 spool_read_OK, /* success */ 864 spool_read_notopen, /* open failed */ 865 spool_read_enverror, /* error in the envelope */ 866 spool_read_hdrerror /* error in the headers */ 867 }; 868 869 /* Options for transport_write_message */ 870 871 #define topt_add_return_path 0x0001 872 #define topt_add_delivery_date 0x0002 873 #define topt_add_envelope_to 0x0004 874 #define topt_escape_headers 0x0008 /* Apply escape check to headers */ 875 #define topt_use_crlf 0x0010 /* Terminate lines with CRLF */ 876 #define topt_no_headers 0x0020 /* Omit headers */ 877 #define topt_no_body 0x0040 /* Omit body */ 878 #define topt_end_dot 0x0080 /* Send terminating dot line */ 879 #define topt_no_flush 0x0100 /* more data expected after message (eg QUIT) */ 880 #define topt_use_bdat 0x0200 /* prepend chunks with RFC3030 BDAT header */ 881 #define topt_output_string 0x0400 /* create string rather than write to fd */ 882 #define topt_continuation 0x0800 /* do not reset buffer */ 883 #define topt_not_socket 0x1000 /* cannot do socket-only syscalls */ 884 885 /* Options for smtp_write_command */ 886 887 enum { 888 SCMD_FLUSH = 0, /* write to kernel */ 889 SCMD_MORE, /* write to kernel, but likely more soon */ 890 SCMD_BUFFER /* stash in application cmd output buffer */ 891 }; 892 893 /* Flags for recipient_block, used in DSN support */ 894 895 #define rf_dsnlasthop 0x01 /* Do not propagate DSN any further */ 896 #define rf_notify_never 0x02 /* NOTIFY= settings */ 897 #define rf_notify_success 0x04 898 #define rf_notify_failure 0x08 899 #define rf_notify_delay 0x10 900 901 #define rf_dsnflags (rf_notify_never | rf_notify_success | \ 902 rf_notify_failure | rf_notify_delay) 903 904 /* DSN RET types */ 905 906 #define dsn_ret_full 1 907 #define dsn_ret_hdrs 2 908 909 #define dsn_support_unknown 0 910 #define dsn_support_yes 1 911 #define dsn_support_no 2 912 913 914 /* Codes for the host_find_failed and host_all_ignored options. */ 915 916 #define hff_freeze 0 917 #define hff_defer 1 918 #define hff_pass 2 919 #define hff_decline 3 920 #define hff_fail 4 921 #define hff_ignore 5 922 923 /* Router information flags */ 924 925 #define ri_yestransport 0x0001 /* Must have a transport */ 926 #define ri_notransport 0x0002 /* Must not have a transport */ 927 928 /* Codes for match types in match_check_list; to any of them, MCL_NOEXPAND may 929 be added */ 930 931 #define MCL_NOEXPAND 16 932 933 enum { MCL_STRING, MCL_DOMAIN, MCL_HOST, MCL_ADDRESS, MCL_LOCALPART }; 934 935 /* Codes for the places from which ACLs can be called. These are cunningly 936 ordered to make it easy to implement tests for certain ACLs when processing 937 "control" modifiers, by means of a maximum "where" value. Do not modify this 938 order without checking carefully! 939 940 **** IMPORTANT*** 941 **** Furthermore, remember to keep these in step with the tables 942 **** of names and response codes in globals.c. 943 **** IMPORTANT **** 944 */ 945 946 enum { ACL_WHERE_RCPT, /* Some controls are for RCPT only */ 947 ACL_WHERE_MAIL, /* ) */ 948 ACL_WHERE_PREDATA, /* ) There are several tests for "in message", */ 949 ACL_WHERE_MIME, /* ) implemented by <= WHERE_NOTSMTP */ 950 ACL_WHERE_DKIM, /* ) */ 951 ACL_WHERE_DATA, /* ) */ 952 #ifndef DISABLE_PRDR 953 ACL_WHERE_PRDR, /* ) */ 954 #endif 955 ACL_WHERE_NOTSMTP, /* ) */ 956 957 ACL_WHERE_AUTH, /* These remaining ones are not currently */ 958 ACL_WHERE_CONNECT, /* required to be in a special order so they */ 959 ACL_WHERE_ETRN, /* are just alphabetical. */ 960 ACL_WHERE_EXPN, 961 ACL_WHERE_HELO, 962 ACL_WHERE_MAILAUTH, 963 ACL_WHERE_NOTSMTP_START, 964 ACL_WHERE_NOTQUIT, 965 ACL_WHERE_QUIT, 966 ACL_WHERE_STARTTLS, 967 ACL_WHERE_VRFY, 968 969 ACL_WHERE_DELIVERY, 970 ACL_WHERE_UNKNOWN /* Currently used by a ${acl:name} expansion */ 971 }; 972 973 #define ACL_BIT_RCPT BIT(ACL_WHERE_RCPT) 974 #define ACL_BIT_MAIL BIT(ACL_WHERE_MAIL) 975 #define ACL_BIT_PREDATA BIT(ACL_WHERE_PREDATA) 976 #define ACL_BIT_MIME BIT(ACL_WHERE_MIME) 977 #define ACL_BIT_DKIM BIT(ACL_WHERE_DKIM) 978 #define ACL_BIT_DATA BIT(ACL_WHERE_DATA) 979 #ifdef DISABLE_PRDR 980 # define ACL_BIT_PRDR 0 981 #else 982 # define ACL_BIT_PRDR BIT(ACL_WHERE_PRDR) 983 #endif 984 #define ACL_BIT_NOTSMTP BIT(ACL_WHERE_NOTSMTP) 985 #define ACL_BIT_AUTH BIT(ACL_WHERE_AUTH) 986 #define ACL_BIT_CONNECT BIT(ACL_WHERE_CONNECT) 987 #define ACL_BIT_ETRN BIT(ACL_WHERE_ETRN) 988 #define ACL_BIT_EXPN BIT(ACL_WHERE_EXPN) 989 #define ACL_BIT_HELO BIT(ACL_WHERE_HELO) 990 #define ACL_BIT_MAILAUTH BIT(ACL_WHERE_MAILAUTH) 991 #define ACL_BIT_NOTSMTP_START BIT(ACL_WHERE_NOTSMTP_START) 992 #define ACL_BIT_NOTQUIT BIT(ACL_WHERE_NOTQUIT) 993 #define ACL_BIT_QUIT BIT(ACL_WHERE_QUIT) 994 #define ACL_BIT_STARTTLS BIT(ACL_WHERE_STARTTLS) 995 #define ACL_BIT_VRFY BIT(ACL_WHERE_VRFY) 996 #define ACL_BIT_DELIVERY BIT(ACL_WHERE_DELIVERY) 997 #define ACL_BIT_UNKNOWN BIT(ACL_WHERE_UNKNOWN) 998 999 #define ACL_BITS_HAVEDATA (ACL_BIT_MIME | ACL_BIT_DKIM | ACL_BIT_DATA \ 1000 | ACL_BIT_PRDR \ 1001 | ACL_BIT_NOTSMTP | ACL_BIT_QUIT | ACL_BIT_NOTQUIT) 1002 1003 1004 /* Situations for spool_write_header() */ 1005 1006 enum { SW_RECEIVING, SW_DELIVERING, SW_MODIFYING }; 1007 1008 /* MX fields for hosts not obtained from MX records are always negative. 1009 MX_NONE is the default case; lesser values are used when the hosts are 1010 randomized in batches. */ 1011 1012 #define MX_NONE (-1) 1013 1014 /* host_item.port defaults to PORT_NONE; the only current case where this 1015 is changed before running the transport is when an dnslookup router sets an 1016 explicit port number. */ 1017 1018 #define PORT_NONE (-1) 1019 1020 /* Flags for single-key search defaults */ 1021 1022 #define SEARCH_STAR 0x01 1023 #define SEARCH_STARAT 0x02 1024 1025 /* Filter types */ 1026 1027 enum { FILTER_UNSET, FILTER_FORWARD, FILTER_EXIM, FILTER_SIEVE }; 1028 1029 /* Codes for ESMTP facilities offered by peer */ 1030 1031 #define OPTION_TLS BIT(0) 1032 #define OPTION_IGNQ BIT(1) 1033 #define OPTION_PRDR BIT(2) 1034 #define OPTION_UTF8 BIT(3) 1035 #define OPTION_DSN BIT(4) 1036 #define OPTION_PIPE BIT(5) 1037 #define OPTION_SIZE BIT(6) 1038 #define OPTION_CHUNKING BIT(7) 1039 #define OPTION_EARLY_PIPE BIT(8) 1040 1041 /* Argument for *_getc */ 1042 1043 #define GETC_BUFFER_UNLIMITED UINT_MAX 1044 1045 /* UTF-8 chars for line-drawing */ 1046 1047 #define UTF8_DOWN_RIGHT "\xE2\x95\xAD" 1048 #define UTF8_VERT "\xE2\x94\x82" 1049 #define UTF8_HORIZ "\xE2\x94\x80" 1050 #define UTF8_VERT_RIGHT "\xE2\x94\x9C" 1051 #define UTF8_UP_RIGHT "\xE2\x95\xB0" 1052 #define UTF8_VERT_2DASH "\xE2\x95\x8E" 1053 1054 1055 /* Options on tls_close */ 1056 #define TLS_NO_SHUTDOWN 0 1057 #define TLS_SHUTDOWN_NOWAIT 1 1058 #define TLS_SHUTDOWN_WAIT 2 1059 1060 1061 #ifdef COMPILE_UTILITY 1062 # define ALARM(seconds) alarm(seconds); 1063 # define ALARM_CLR(seconds) alarm(seconds); 1064 #else 1065 /* For debugging of odd alarm-signal problems, stash caller info while the 1066 alarm is active. Clear it down on cancelling the alarm so we can tell there 1067 should not be one active. */ 1068 1069 # define ALARM(seconds) \ 1070 debug_selector & D_any \ 1071 ? (sigalarm_setter = CUS __FUNCTION__, alarm(seconds)) : alarm(seconds); 1072 # define ALARM_CLR(seconds) \ 1073 debug_selector & D_any \ 1074 ? (sigalarm_setter = NULL, alarm(seconds)) : alarm(seconds); 1075 #endif 1076 1077 #define AUTHS_REGEX US"\\n250[\\s\\-]AUTH\\s+([\\-\\w \\t]+)(?:\\n|$)" 1078 1079 #define EARLY_PIPE_FEATURE_NAME "PIPE_CONNECT" 1080 #define EARLY_PIPE_FEATURE_LEN 12 1081 1082 1083 /* Flags for auth_client_item() */ 1084 1085 #define AUTH_ITEM_FIRST BIT(0) 1086 #define AUTH_ITEM_LAST BIT(1) 1087 #define AUTH_ITEM_IGN64 BIT(2) 1088 1089 1090 /* Flags for tls_{in,out}_resumption */ 1091 #define RESUME_SUPPORTED BIT(0) 1092 #define RESUME_CLIENT_REQUESTED BIT(1) 1093 #define RESUME_CLIENT_SUGGESTED BIT(2) 1094 #define RESUME_SERVER_TICKET BIT(3) 1095 #define RESUME_USED BIT(4) 1096 1097 #define RESUME_DECODE_STRING \ 1098 US"not requested or offered : 0x02 :client requested, no server ticket" \ 1099 ": 0x04 : 0x05 : 0x06 :client offered session, no server action" \ 1100 ": 0x08 :no client request: 0x0A :client requested new ticket, server provided" \ 1101 ": 0x0C :client offered session, not used: 0x0E :client offered session, server only provided new ticket" \ 1102 ": 0x10 :session resumed unasked: 0x12 :session resumed unasked" \ 1103 ": 0x14 : 0x15 : 0x16 :session resumed" \ 1104 ": 0x18 :session resumed unasked: 0x1A :session resumed unasked" \ 1105 ": 0x1C :session resumed: 0x1E :session resumed, also new ticket" 1106 1107 /* Flags for string_vformat */ 1108 #define SVFMT_EXTEND BIT(0) 1109 #define SVFMT_REBUFFER BIT(1) 1110 #define SVFMT_TAINT_NOCHK BIT(2) 1111 1112 1113 #define NOTIFIER_SOCKET_NAME "exim_daemon_notify" 1114 #define NOTIFY_MSG_QRUN 1 /* Notify message types */ 1115 #define NOTIFY_QUEUE_SIZE_REQ 2 1116 1117 /* End of macros.h */ 1118