src/src/globals.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2016 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* All the global variables are defined together in this one module, so
   9 that they are easy to find. */
  10
  11 #include "exim.h"
  12
  13
  14 /* Generic options for auths, all of which live inside auth_instance
  15 data blocks and hence have the opt_public flag set. */
  16
  17 optionlist optionlist_auths[] = {
  18   { "client_condition", opt_stringptr | opt_public,
  19                  (void *)(offsetof(auth_instance, client_condition)) },
  20   { "client_set_id", opt_stringptr | opt_public,
  21                  (void *)(offsetof(auth_instance, set_client_id)) },
  22   { "driver",        opt_stringptr | opt_public,
  23                  (void *)(offsetof(auth_instance, driver_name)) },
  24   { "public_name",   opt_stringptr | opt_public,
  25                  (void *)(offsetof(auth_instance, public_name)) },
  26   { "server_advertise_condition", opt_stringptr | opt_public,
  27                  (void *)(offsetof(auth_instance, advertise_condition))},
  28   { "server_condition", opt_stringptr | opt_public,
  29                  (void *)(offsetof(auth_instance, server_condition)) },
  30   { "server_debug_print", opt_stringptr | opt_public,
  31                  (void *)(offsetof(auth_instance, server_debug_string)) },
  32   { "server_mail_auth_condition", opt_stringptr | opt_public,
  33                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  34   { "server_set_id", opt_stringptr | opt_public,
  35                  (void *)(offsetof(auth_instance, set_id)) }
  36 };
  37
  38 int     optionlist_auths_size = nelem(optionlist_auths);
  39
  40 /* An empty host aliases list. */
  41
  42 uschar *no_aliases             = NULL;
  43
  44
  45 /* For comments on these variables, see globals.h. I'm too idle to
  46 duplicate them here... */
  47
  48 #ifdef EXIM_PERL
  49 uschar *opt_perl_startup       = NULL;
  50 BOOL    opt_perl_at_start      = FALSE;
  51 BOOL    opt_perl_started       = FALSE;
  52 BOOL    opt_perl_taintmode     = FALSE;
  53 #endif
  54
  55 #ifdef EXPAND_DLFUNC
  56 tree_node *dlobj_anchor        = NULL;
  57 #endif
  58
  59 #ifdef LOOKUP_IBASE
  60 uschar *ibase_servers          = NULL;
  61 #endif
  62
  63 #ifdef LOOKUP_LDAP
  64 uschar *eldap_ca_cert_dir      = NULL;
  65 uschar *eldap_ca_cert_file     = NULL;
  66 uschar *eldap_cert_file        = NULL;
  67 uschar *eldap_cert_key         = NULL;
  68 uschar *eldap_cipher_suite     = NULL;
  69 uschar *eldap_default_servers  = NULL;
  70 uschar *eldap_require_cert     = NULL;
  71 int     eldap_version          = -1;
  72 BOOL    eldap_start_tls        = FALSE;
  73 #endif
  74
  75 #ifdef LOOKUP_MYSQL
  76 uschar *mysql_servers          = NULL;
  77 #endif
  78
  79 #ifdef LOOKUP_ORACLE
  80 uschar *oracle_servers         = NULL;
  81 #endif
  82
  83 #ifdef LOOKUP_PGSQL
  84 uschar *pgsql_servers          = NULL;
  85 #endif
  86
  87 #ifdef LOOKUP_REDIS
  88 uschar *redis_servers          = NULL;
  89 #endif
  90
  91 #ifdef LOOKUP_SQLITE
  92 int     sqlite_lock_timeout    = 5;
  93 #endif
  94
  95 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  96 BOOL    move_frozen_messages   = FALSE;
  97 #endif
  98
  99 /* These variables are outside the #ifdef because it keeps the code less
 100 cluttered in several places (e.g. during logging) if we can always refer to
 101 them. Also, the tls_ variables are now always visible. */
 102
 103 tls_support tls_in = {
 104  -1,   /* tls_active */
 105  0,    /* tls_bits */
 106  FALSE,/* tls_certificate_verified */
 107 #ifdef EXPERIMENTAL_DANE
 108  FALSE,/* dane_verified */
 109  0,    /* tlsa_usage */
 110 #endif
 111  NULL, /* tls_cipher */
 112  FALSE,/* tls_on_connect */
 113  NULL, /* tls_on_connect_ports */
 114  NULL, /* tls_ourcert */
 115  NULL, /* tls_peercert */
 116  NULL, /* tls_peerdn */
 117  NULL, /* tls_sni */
 118  0     /* tls_ocsp */
 119 };
 120 tls_support tls_out = {
 121  -1,   /* tls_active */
 122  0,    /* tls_bits */
 123  FALSE,/* tls_certificate_verified */
 124 #ifdef EXPERIMENTAL_DANE
 125  FALSE,/* dane_verified */
 126  0,    /* tlsa_usage */
 127 #endif
 128  NULL, /* tls_cipher */
 129  FALSE,/* tls_on_connect */
 130  NULL, /* tls_on_connect_ports */
 131  NULL, /* tls_ourcert */
 132  NULL, /* tls_peercert */
 133  NULL, /* tls_peerdn */
 134  NULL, /* tls_sni */
 135  0     /* tls_ocsp */
 136 };
 137
 138 uschar *dsn_envid              = NULL;
 139 int     dsn_ret                = 0;
 140 const pcre  *regex_DSN         = NULL;
 141 uschar *dsn_advertise_hosts    = NULL;
 142
 143 #ifdef SUPPORT_TLS
 144 BOOL    gnutls_compat_mode     = FALSE;
 145 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
 146 uschar *openssl_options        = NULL;
 147 const pcre *regex_STARTTLS     = NULL;
 148 uschar *tls_advertise_hosts    = US"*";
 149 uschar *tls_certificate        = NULL;
 150 uschar *tls_crl                = NULL;
 151 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 152 that's the interop problem which has been observed: GnuTLS suggesting a higher
 153 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 154 int     tls_dh_max_bits        = 2236;
 155 uschar *tls_dhparam            = NULL;
 156 uschar *tls_eccurve            = US"prime256v1";
 157 # ifndef DISABLE_OCSP
 158 uschar *tls_ocsp_file          = NULL;
 159 # endif
 160 uschar *tls_privatekey         = NULL;
 161 BOOL    tls_remember_esmtp     = FALSE;
 162 uschar *tls_require_ciphers    = NULL;
 163 uschar *tls_try_verify_hosts   = NULL;
 164 uschar *tls_verify_certificates= US"system";
 165 uschar *tls_verify_hosts       = NULL;
 166 #else   /*!SUPPORT_TLS*/
 167 uschar *tls_advertise_hosts    = NULL;
 168 #endif
 169
 170 #ifndef DISABLE_PRDR
 171 /* Per Recipient Data Response variables */
 172 BOOL    prdr_enable            = FALSE;
 173 BOOL    prdr_requested         = FALSE;
 174 const pcre *regex_PRDR         = NULL;
 175 #endif
 176
 177 #ifdef SUPPORT_I18N
 178 const pcre *regex_UTF8         = NULL;
 179 #endif
 180
 181 /* Input-reading functions for messages, so we can use special ones for
 182 incoming TCP/IP. The defaults use stdin. We never need these for any
 183 stand-alone tests. */
 184
 185 #ifndef STAND_ALONE
 186 int (*lwr_receive_getc)(void)  = stdin_getc;
 187 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
 188 int (*receive_getc)(void)      = stdin_getc;
 189 void (*receive_get_cache)(void)= NULL;
 190 int (*receive_ungetc)(int)     = stdin_ungetc;
 191 int (*receive_feof)(void)      = stdin_feof;
 192 int (*receive_ferror)(void)    = stdin_ferror;
 193 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 194 #endif
 195
 196
 197 /* List of per-address expansion variables for clearing and saving/restoring
 198 when verifying one address while routing/verifying another. We have to have
 199 the size explicit, because it is referenced from more than one module. */
 200
 201 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 202   CUSS &deliver_address_data,
 203   CUSS &deliver_domain,
 204   CUSS &deliver_domain_data,
 205   CUSS &deliver_domain_orig,
 206   CUSS &deliver_domain_parent,
 207   CUSS &deliver_localpart,
 208   CUSS &deliver_localpart_data,
 209   CUSS &deliver_localpart_orig,
 210   CUSS &deliver_localpart_parent,
 211   CUSS &deliver_localpart_prefix,
 212   CUSS &deliver_localpart_suffix,
 213   CUSS (uschar **)(&deliver_recipients),
 214   CUSS &deliver_host,
 215   CUSS &deliver_home,
 216   CUSS &address_file,
 217   CUSS &address_pipe,
 218   CUSS &self_hostname,
 219   NULL };
 220
 221 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 222
 223 /* General global variables */
 224
 225 header_line *acl_added_headers = NULL;
 226 tree_node *acl_anchor          = NULL;
 227 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 228                                   NULL, NULL, NULL, NULL};
 229 int     acl_narg               = 0;
 230
 231 uschar *acl_not_smtp           = NULL;
 232 #ifdef WITH_CONTENT_SCAN
 233 uschar *acl_not_smtp_mime      = NULL;
 234 #endif
 235 uschar *acl_not_smtp_start     = NULL;
 236 uschar *acl_removed_headers    = NULL;
 237 uschar *acl_smtp_auth          = NULL;
 238 uschar *acl_smtp_connect       = NULL;
 239 uschar *acl_smtp_data          = NULL;
 240 #ifndef DISABLE_PRDR
 241 uschar *acl_smtp_data_prdr     = US"accept";
 242 #endif
 243 #ifndef DISABLE_DKIM
 244 uschar *acl_smtp_dkim          = NULL;
 245 #endif
 246 uschar *acl_smtp_etrn          = NULL;
 247 uschar *acl_smtp_expn          = NULL;
 248 uschar *acl_smtp_helo          = NULL;
 249 uschar *acl_smtp_mail          = NULL;
 250 uschar *acl_smtp_mailauth      = NULL;
 251 #ifdef WITH_CONTENT_SCAN
 252 uschar *acl_smtp_mime          = NULL;
 253 #endif
 254 uschar *acl_smtp_notquit       = NULL;
 255 uschar *acl_smtp_predata       = NULL;
 256 uschar *acl_smtp_quit          = NULL;
 257 uschar *acl_smtp_rcpt          = NULL;
 258 uschar *acl_smtp_starttls      = NULL;
 259 uschar *acl_smtp_vrfy          = NULL;
 260
 261 BOOL    acl_temp_details       = FALSE;
 262 tree_node *acl_var_c           = NULL;
 263 tree_node *acl_var_m           = NULL;
 264 uschar *acl_verify_message     = NULL;
 265 string_item *acl_warn_logged   = NULL;
 266
 267 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 268 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 269
 270 uschar *acl_wherenames[]       = { US"RCPT",
 271                                    US"MAIL",
 272                                    US"PREDATA",
 273                                    US"MIME",
 274                                    US"DKIM",
 275                                    US"DATA",
 276 #ifndef DISABLE_PRDR
 277                                    US"PRDR",
 278 #endif
 279                                    US"non-SMTP",
 280                                    US"AUTH",
 281                                    US"connection",
 282                                    US"ETRN",
 283                                    US"EXPN",
 284                                    US"EHLO or HELO",
 285                                    US"MAILAUTH",
 286                                    US"non-SMTP-start",
 287                                    US"NOTQUIT",
 288                                    US"QUIT",
 289                                    US"STARTTLS",
 290                                    US"VRFY",
 291                                    US"delivery",
 292                                    US"unknown"
 293                                  };
 294
 295 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 296                                    US"550",     /* MAIL */
 297                                    US"550",     /* PREDATA */
 298                                    US"550",     /* MIME */
 299                                    US"550",     /* DKIM */
 300                                    US"550",     /* DATA */
 301 #ifndef DISABLE_PRDR
 302                                    US"550",    /* RCPT PRDR */
 303 #endif
 304                                    US"0",       /* not SMTP; not relevant */
 305                                    US"503",     /* AUTH */
 306                                    US"550",     /* connect */
 307                                    US"458",     /* ETRN */
 308                                    US"550",     /* EXPN */
 309                                    US"550",     /* HELO/EHLO */
 310                                    US"0",       /* MAILAUTH; not relevant */
 311                                    US"0",       /* not SMTP; not relevant */
 312                                    US"0",       /* NOTQUIT; not relevant */
 313                                    US"0",       /* QUIT; not relevant */
 314                                    US"550",     /* STARTTLS */
 315                                    US"252",     /* VRFY */
 316                                    US"0",       /* delivery; not relevant */
 317                                    US"0"        /* unknown; not relevant */
 318                                  };
 319
 320 BOOL    active_local_from_check = FALSE;
 321 BOOL    active_local_sender_retain = FALSE;
 322 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 323 uschar *add_environment        = NULL;
 324 address_item  *addr_duplicate  = NULL;
 325
 326 address_item address_defaults = {
 327   NULL,                 /* next */
 328   NULL,                 /* parent */
 329   NULL,                 /* first */
 330   NULL,                 /* dupof */
 331   NULL,                 /* start_router */
 332   NULL,                 /* router */
 333   NULL,                 /* transport */
 334   NULL,                 /* host_list */
 335   NULL,                 /* host_used */
 336   NULL,                 /* fallback_hosts */
 337   NULL,                 /* reply */
 338   NULL,                 /* retries */
 339   NULL,                 /* address */
 340   NULL,                 /* unique */
 341   NULL,                 /* cc_local_part */
 342   NULL,                 /* lc_local_part */
 343   NULL,                 /* local_part */
 344   NULL,                 /* prefix */
 345   NULL,                 /* suffix */
 346   NULL,                 /* domain */
 347   NULL,                 /* address_retry_key */
 348   NULL,                 /* domain_retry_key */
 349   NULL,                 /* current_dir */
 350   NULL,                 /* home_dir */
 351   NULL,                 /* message */
 352   NULL,                 /* user_message */
 353   NULL,                 /* onetime_parent */
 354   NULL,                 /* pipe_expandn */
 355   NULL,                 /* return_filename */
 356   NULL,                 /* self_hostname */
 357   NULL,                 /* shadow_message */
 358 #ifdef SUPPORT_TLS
 359   NULL,                 /* cipher */
 360   NULL,                 /* ourcert */
 361   NULL,                 /* peercert */
 362   NULL,                 /* peerdn */
 363   OCSP_NOT_REQ,         /* ocsp */
 364 #endif
 365 #ifdef EXPERIMENTAL_DSN_INFO
 366   NULL,                 /* smtp_greeting */
 367   NULL,                 /* helo_response */
 368 #endif
 369   NULL,                 /* authenticator */
 370   NULL,                 /* auth_id */
 371   NULL,                 /* auth_sndr */
 372   NULL,                 /* dsn_orcpt */
 373   0,                    /* dsn_flags */
 374   0,                    /* dsn_aware */
 375   (uid_t)(-1),          /* uid */
 376   (gid_t)(-1),          /* gid */
 377   0,                    /* flags */
 378   { 0 },                /* domain_cache - any larger array should be zeroed */
 379   { 0 },                /* localpart_cache - ditto */
 380   -1,                   /* mode */
 381   0,                    /* more_errno */
 382   ERRNO_UNKNOWNERROR,   /* basic_errno */
 383   0,                    /* child_count */
 384   -1,                   /* return_file */
 385   SPECIAL_NONE,         /* special_action */
 386   DEFER,                /* transport_return */
 387   {                     /* fields that are propagated to children */
 388     NULL,               /* address_data */
 389     NULL,               /* domain_data */
 390     NULL,               /* localpart_data */
 391     NULL,               /* errors_address */
 392     NULL,               /* extra_headers */
 393     NULL,               /* remove_headers */
 394 #ifdef EXPERIMENTAL_SRS
 395     NULL,               /* srs_sender */
 396 #endif
 397 #ifdef SUPPORT_I18N
 398     FALSE,              /* utf8 */
 399 #endif
 400   }
 401 };
 402
 403 uschar *address_file           = NULL;
 404 uschar *address_pipe           = NULL;
 405 BOOL    address_test_mode      = FALSE;
 406 tree_node *addresslist_anchor  = NULL;
 407 int     addresslist_count      = 0;
 408 gid_t  *admin_groups           = NULL;
 409 BOOL    admin_user             = FALSE;
 410 BOOL    allow_auth_unadvertised= FALSE;
 411 BOOL    allow_domain_literals  = FALSE;
 412 BOOL    allow_mx_to_ip         = FALSE;
 413 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 414 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 415 BOOL    allow_utf8_domains     = FALSE;
 416 uschar *authenticated_fail_id  = NULL;
 417 uschar *authenticated_id       = NULL;
 418 uschar *authenticated_sender   = NULL;
 419 BOOL    authentication_failed  = FALSE;
 420 auth_instance  *auths          = NULL;
 421 uschar *auth_advertise_hosts   = US"*";
 422 auth_instance auth_defaults    = {
 423     NULL,                      /* chain pointer */
 424     NULL,                      /* name */
 425     NULL,                      /* info */
 426     NULL,                      /* private options block pointer */
 427     NULL,                      /* driver_name */
 428     NULL,                      /* advertise_condition */
 429     NULL,                      /* client_condition */
 430     NULL,                      /* public_name */
 431     NULL,                      /* set_id */
 432     NULL,                      /* set_client_id */
 433     NULL,                      /* server_mail_auth_condition */
 434     NULL,                      /* server_debug_string */
 435     NULL,                      /* server_condition */
 436     FALSE,                     /* client */
 437     FALSE,                     /* server */
 438     FALSE                      /* advertised */
 439 };
 440
 441 uschar *auth_defer_msg         = US"reason not recorded";
 442 uschar *auth_defer_user_msg    = US"";
 443 uschar *auth_vars[AUTH_VARS];
 444 int     auto_thaw              = 0;
 445 #ifdef WITH_CONTENT_SCAN
 446 BOOL    av_failed              = FALSE;
 447 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 448 #endif
 449
 450 BOOL    background_daemon      = TRUE;
 451
 452 #if BASE_62 == 62
 453 uschar *base62_chars=
 454     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 455 #else
 456 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 457 #endif
 458
 459 uschar *bi_command             = NULL;
 460 uschar *big_buffer             = NULL;
 461 int     big_buffer_size        = BIG_BUFFER_SIZE;
 462 #ifdef EXPERIMENTAL_BRIGHTMAIL
 463 uschar *bmi_alt_location       = NULL;
 464 uschar *bmi_base64_tracker_verdict = NULL;
 465 uschar *bmi_base64_verdict     = NULL;
 466 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 467 int     bmi_deliver            = 1;
 468 int     bmi_run                = 0;
 469 uschar *bmi_verdicts           = NULL;
 470 #endif
 471 int     body_8bitmime          = 0;
 472 int     body_linecount         = 0;
 473 int     body_zerocount         = 0;
 474 uschar *bounce_message_file    = NULL;
 475 uschar *bounce_message_text    = NULL;
 476 uschar *bounce_recipient       = NULL;
 477 BOOL    bounce_return_body     = TRUE;
 478 int     bounce_return_linesize_limit = 998;
 479 BOOL    bounce_return_message  = TRUE;
 480 int     bounce_return_size_limit = 100*1024;
 481 uschar *bounce_sender_authentication = NULL;
 482 int     bsmtp_transaction_linecount = 0;
 483
 484 uschar *callout_address        = NULL;
 485 int     callout_cache_domain_positive_expire = 7*24*60*60;
 486 int     callout_cache_domain_negative_expire = 3*60*60;
 487 int     callout_cache_positive_expire = 24*60*60;
 488 int     callout_cache_negative_expire = 2*60*60;
 489 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 490 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 491 int     check_log_inodes       = 100;
 492 int     check_log_space        = 10*1024;       /* 10K Kbyte == 10MB */
 493 BOOL    check_rfc2047_length   = TRUE;
 494 int     check_spool_inodes     = 100;
 495 int     check_spool_space      = 10*1024;       /* 10K Kbyte == 10MB */
 496
 497 uschar *chunking_advertise_hosts = US"*";
 498 unsigned chunking_datasize     = 0;
 499 unsigned chunking_data_left    = 0;
 500 BOOL    chunking_offered       = FALSE;
 501 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
 502 const pcre *regex_CHUNKING     = NULL;
 503
 504 uschar *client_authenticator   = NULL;
 505 uschar *client_authenticated_id = NULL;
 506 uschar *client_authenticated_sender = NULL;
 507 int     clmacro_count          = 0;
 508 uschar *clmacros[MAX_CLMACROS];
 509 BOOL    config_changed         = FALSE;
 510 FILE   *config_file            = NULL;
 511 uschar *config_filename        = NULL;
 512 int     config_lineno          = 0;
 513 #ifdef CONFIGURE_GROUP
 514 gid_t   config_gid             = CONFIGURE_GROUP;
 515 #endif
 516 uschar *config_main_filelist   = US CONFIGURE_FILE
 517                          "\0<-----------Space to patch configure_filename->";
 518 uschar *config_main_filename   = NULL;
 519 uschar *config_main_directory  = NULL;
 520
 521 #ifdef CONFIGURE_OWNER
 522 uid_t   config_uid             = CONFIGURE_OWNER;
 523 #endif
 524
 525 int     connection_max_messages= -1;
 526 uschar *continue_hostname      = NULL;
 527 uschar *continue_host_address  = NULL;
 528 BOOL    continue_more          = FALSE;
 529 int     continue_sequence      = 1;
 530 uschar *continue_transport     = NULL;
 531
 532 uschar *csa_status             = NULL;
 533 cut_t   cutthrough = {
 534   FALSE,                                /* delivery: when to attempt */
 535   FALSE,                                /* on defer: spool locally */
 536   -1,                                   /* fd: open connection */
 537   0,                                    /* nrcpt: number of addresses */
 538 };
 539
 540 BOOL    daemon_listen          = FALSE;
 541 uschar *daemon_smtp_port       = US"smtp";
 542 int     daemon_startup_retries = 9;
 543 int     daemon_startup_sleep   = 30;
 544
 545 #ifdef EXPERIMENTAL_DCC
 546 BOOL    dcc_direct_add_header  = FALSE;
 547 uschar *dcc_header             = NULL;
 548 uschar *dcc_result             = NULL;
 549 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 550 uschar *dccifd_options         = US"header";
 551 #endif
 552
 553 BOOL    debug_daemon           = FALSE;
 554 int     debug_fd               = -1;
 555 FILE   *debug_file             = NULL;
 556 int     debug_notall[]         = {
 557   Di_memory,
 558   -1
 559 };
 560 bit_table debug_options[]      = { /* must be in alphabetical order */
 561   BIT_TABLE(D, acl),
 562   BIT_TABLE(D, all),
 563   BIT_TABLE(D, auth),
 564   BIT_TABLE(D, deliver),
 565   BIT_TABLE(D, dns),
 566   BIT_TABLE(D, dnsbl),
 567   BIT_TABLE(D, exec),
 568   BIT_TABLE(D, expand),
 569   BIT_TABLE(D, filter),
 570   BIT_TABLE(D, hints_lookup),
 571   BIT_TABLE(D, host_lookup),
 572   BIT_TABLE(D, ident),
 573   BIT_TABLE(D, interface),
 574   BIT_TABLE(D, lists),
 575   BIT_TABLE(D, load),
 576   BIT_TABLE(D, local_scan),
 577   BIT_TABLE(D, lookup),
 578   BIT_TABLE(D, memory),
 579   BIT_TABLE(D, pid),
 580   BIT_TABLE(D, process_info),
 581   BIT_TABLE(D, queue_run),
 582   BIT_TABLE(D, receive),
 583   BIT_TABLE(D, resolver),
 584   BIT_TABLE(D, retry),
 585   BIT_TABLE(D, rewrite),
 586   BIT_TABLE(D, route),
 587   BIT_TABLE(D, timestamp),
 588   BIT_TABLE(D, tls),
 589   BIT_TABLE(D, transport),
 590   BIT_TABLE(D, uid),
 591   BIT_TABLE(D, verify),
 592 };
 593 int     debug_options_count    = nelem(debug_options);
 594
 595 unsigned int debug_selector    = 0;
 596 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 597 uschar *delay_warning_condition=
 598   US"${if or {"
 599             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 600             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 601             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 602             "} {no}{yes}}";
 603 BOOL    delivery_date_remove   = TRUE;
 604 uschar *deliver_address_data   = NULL;
 605 int     deliver_datafile       = -1;
 606 const uschar *deliver_domain   = NULL;
 607 uschar *deliver_domain_data    = NULL;
 608 const uschar *deliver_domain_orig = NULL;
 609 const uschar *deliver_domain_parent = NULL;
 610 BOOL    deliver_drop_privilege = FALSE;
 611 BOOL    deliver_firsttime      = FALSE;
 612 BOOL    deliver_force          = FALSE;
 613 BOOL    deliver_freeze         = FALSE;
 614 time_t  deliver_frozen_at      = 0;
 615 uschar *deliver_home           = NULL;
 616 const uschar *deliver_host     = NULL;
 617 const uschar *deliver_host_address = NULL;
 618 int     deliver_host_port      = 0;
 619 uschar *deliver_in_buffer      = NULL;
 620 ino_t   deliver_inode          = 0;
 621 uschar *deliver_localpart      = NULL;
 622 uschar *deliver_localpart_data = NULL;
 623 uschar *deliver_localpart_orig = NULL;
 624 uschar *deliver_localpart_parent = NULL;
 625 uschar *deliver_localpart_prefix = NULL;
 626 uschar *deliver_localpart_suffix = NULL;
 627 BOOL    deliver_force_thaw     = FALSE;
 628 BOOL    deliver_manual_thaw    = FALSE;
 629 uschar *deliver_out_buffer     = NULL;
 630 int     deliver_queue_load_max = -1;
 631 address_item  *deliver_recipients = NULL;
 632 uschar *deliver_selectstring   = NULL;
 633 BOOL    deliver_selectstring_regex = FALSE;
 634 uschar *deliver_selectstring_sender = NULL;
 635 BOOL    deliver_selectstring_sender_regex = FALSE;
 636 BOOL    disable_callout_flush  = FALSE;
 637 BOOL    disable_delay_flush    = FALSE;
 638 #ifdef ENABLE_DISABLE_FSYNC
 639 BOOL    disable_fsync          = FALSE;
 640 #endif
 641 BOOL    disable_ipv6           = FALSE;
 642 BOOL    disable_logging        = FALSE;
 643
 644 #ifndef DISABLE_DKIM
 645 BOOL    dkim_collect_input       = FALSE;
 646 uschar *dkim_cur_signer          = NULL;
 647 BOOL    dkim_disable_verify      = FALSE;
 648 int     dkim_key_length          = 0;
 649 uschar *dkim_signers             = NULL;
 650 uschar *dkim_signing_domain      = NULL;
 651 uschar *dkim_signing_selector    = NULL;
 652 uschar *dkim_verify_signers      = US"$dkim_signers";
 653 #endif
 654 #ifdef EXPERIMENTAL_DMARC
 655 BOOL    dmarc_has_been_checked  = FALSE;
 656 uschar *dmarc_ar_header         = NULL;
 657 uschar *dmarc_domain_policy     = NULL;
 658 uschar *dmarc_forensic_sender   = NULL;
 659 uschar *dmarc_history_file      = NULL;
 660 uschar *dmarc_status            = NULL;
 661 uschar *dmarc_status_text       = NULL;
 662 uschar *dmarc_tld_file          = NULL;
 663 uschar *dmarc_used_domain       = NULL;
 664 BOOL    dmarc_disable_verify    = FALSE;
 665 BOOL    dmarc_enable_forensic   = FALSE;
 666 #endif
 667
 668 uschar *dns_again_means_nonexist = NULL;
 669 int     dns_csa_search_limit   = 5;
 670 BOOL    dns_csa_use_reverse    = TRUE;
 671 #ifdef EXPERIMENTAL_DANE
 672 int     dns_dane_ok            = -1;
 673 #endif
 674 uschar *dns_ipv4_lookup        = NULL;
 675 int     dns_retrans            = 0;
 676 int     dns_retry              = 0;
 677 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 678 uschar *dns_trust_aa           = NULL;
 679 int     dns_use_edns0          = -1; /* <0 = not coerced */
 680 uschar *dnslist_domain         = NULL;
 681 uschar *dnslist_matched        = NULL;
 682 uschar *dnslist_text           = NULL;
 683 uschar *dnslist_value          = NULL;
 684 tree_node *domainlist_anchor   = NULL;
 685 int     domainlist_count       = 0;
 686 BOOL    dont_deliver           = FALSE;
 687 BOOL    dot_ends               = TRUE;
 688 BOOL    drop_cr                = FALSE;         /* No longer used */
 689 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 690
 691 BOOL    enable_dollar_recipients = FALSE;
 692 BOOL    envelope_to_remove     = TRUE;
 693 int     errno_quota            = ERRNO_QUOTA;
 694 uschar *errors_copy            = NULL;
 695 int     error_handling         = ERRORS_SENDER;
 696 uschar *errors_reply_to        = NULL;
 697 int     errors_sender_rc       = EXIT_FAILURE;
 698 #ifndef DISABLE_EVENT
 699 uschar *event_action             = NULL;        /* expansion for delivery events */
 700 uschar *event_data               = NULL;        /* auxilary data variable for event */
 701 int     event_defer_errno        = 0;
 702 const uschar *event_name         = NULL;        /* event name variable */
 703 #endif
 704
 705
 706 gid_t   exim_gid               = EXIM_GID;
 707 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 708 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 709                         "\0<---------------Space to patch exim_path->";
 710 uid_t   exim_uid               = EXIM_UID;
 711 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 712 int     expand_forbid          = 0;
 713 int     expand_nlength[EXPAND_MAXN+1];
 714 int     expand_nmax            = -1;
 715 uschar *expand_nstring[EXPAND_MAXN+1];
 716 BOOL    expand_string_forcedfail = FALSE;
 717 uschar *expand_string_message;
 718 BOOL    extract_addresses_remove_arguments = TRUE;
 719 uschar *extra_local_interfaces = NULL;
 720
 721 int     fake_response          = OK;
 722 uschar *fake_response_text     = US"Your message has been rejected but is "
 723                                    "being kept for evaluation.\nIf it was a "
 724                                    "legitimate message, it may still be "
 725                                    "delivered to the target recipient(s).";
 726 int     filter_n[FILTER_VARIABLE_COUNT];
 727 BOOL    filter_running         = FALSE;
 728 int     filter_sn[FILTER_VARIABLE_COUNT];
 729 int     filter_test            = FTEST_NONE;
 730 uschar *filter_test_sfile      = NULL;
 731 uschar *filter_test_ufile      = NULL;
 732 uschar *filter_thisaddress     = NULL;
 733 int     finduser_retries       = 0;
 734 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 735 uschar *freeze_tell            = NULL;
 736 uschar *freeze_tell_config     = NULL;
 737 uschar *fudged_queue_times     = US"";
 738
 739 uschar *gecos_name             = NULL;
 740 uschar *gecos_pattern          = NULL;
 741 rewrite_rule  *global_rewrite_rules = NULL;
 742
 743 uschar *headers_charset        = US HEADERS_CHARSET;
 744 int     header_insert_maxlen   = 64 * 1024;
 745 header_line  *header_last      = NULL;
 746 header_line  *header_list      = NULL;
 747 int     header_maxsize         = HEADER_MAXSIZE;
 748 int     header_line_maxsize    = 0;
 749
 750 header_name header_names[] = {
 751   { US"bcc",            3, TRUE,  htype_bcc },
 752   { US"cc",             2, TRUE,  htype_cc },
 753   { US"date",           4, TRUE,  htype_date },
 754   { US"delivery-date", 13, FALSE, htype_delivery_date },
 755   { US"envelope-to",   11, FALSE, htype_envelope_to },
 756   { US"from",           4, TRUE,  htype_from },
 757   { US"message-id",    10, TRUE,  htype_id },
 758   { US"received",       8, FALSE, htype_received },
 759   { US"reply-to",       8, FALSE, htype_reply_to },
 760   { US"return-path",   11, FALSE, htype_return_path },
 761   { US"sender",         6, TRUE,  htype_sender },
 762   { US"subject",        7, FALSE, htype_subject },
 763   { US"to",             2, TRUE,  htype_to }
 764 };
 765
 766 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 767
 768 BOOL    header_rewritten       = FALSE;
 769 uschar *helo_accept_junk_hosts = NULL;
 770 uschar *helo_allow_chars       = US"";
 771 uschar *helo_lookup_domains    = US"@ : @[]";
 772 uschar *helo_try_verify_hosts  = NULL;
 773 BOOL    helo_verified          = FALSE;
 774 BOOL    helo_verify_failed     = FALSE;
 775 uschar *helo_verify_hosts      = NULL;
 776 const uschar *hex_digits       = CUS"0123456789abcdef";
 777 uschar *hold_domains           = NULL;
 778 BOOL    host_checking          = FALSE;
 779 BOOL    host_checking_callout  = FALSE;
 780 uschar *host_data              = NULL;
 781 BOOL    host_find_failed_syntax= FALSE;
 782 uschar *host_lookup            = NULL;
 783 BOOL    host_lookup_deferred   = FALSE;
 784 BOOL    host_lookup_failed     = FALSE;
 785 uschar *host_lookup_order      = US"bydns:byaddr";
 786 uschar *host_lookup_msg        = US"";
 787 int     host_number            = 0;
 788 uschar *host_number_string     = NULL;
 789 uschar *host_reject_connection = NULL;
 790 tree_node *hostlist_anchor     = NULL;
 791 int     hostlist_count         = 0;
 792 uschar *hosts_treat_as_local   = NULL;
 793 uschar *hosts_connection_nolog = NULL;
 794
 795 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 796 BOOL    ignore_fromline_local  = FALSE;
 797 uschar *ignore_fromline_hosts  = NULL;
 798 BOOL    inetd_wait_mode        = FALSE;
 799 int     inetd_wait_timeout     = -1;
 800 uschar *initial_cwd            = NULL;
 801 uschar *interface_address      = NULL;
 802 int     interface_port         = -1;
 803 BOOL    is_inetd               = FALSE;
 804 uschar *iterate_item           = NULL;
 805
 806 int     journal_fd             = -1;
 807
 808 uschar *keep_environment       = NULL;
 809
 810 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 811
 812 uschar *eldap_dn               = NULL;
 813 int     load_average           = -2;
 814 BOOL    local_error_message    = FALSE;
 815 BOOL    local_from_check       = TRUE;
 816 uschar *local_from_prefix      = NULL;
 817 uschar *local_from_suffix      = NULL;
 818
 819 #if HAVE_IPV6
 820 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 821 #else
 822 uschar *local_interfaces       = US"0.0.0.0";
 823 #endif
 824
 825 uschar *local_scan_data        = NULL;
 826 int     local_scan_timeout     = 5*60;
 827 BOOL    local_sender_retain    = FALSE;
 828 gid_t   local_user_gid         = (gid_t)(-1);
 829 uid_t   local_user_uid         = (uid_t)(-1);
 830
 831 tree_node *localpartlist_anchor= NULL;
 832 int     localpartlist_count    = 0;
 833 uschar *log_buffer             = NULL;
 834
 835 int     log_default[]          = { /* for initializing log_selector */
 836   Li_acl_warn_skipped,
 837   Li_connection_reject,
 838   Li_delay_delivery,
 839   Li_dnslist_defer,
 840   Li_etrn,
 841   Li_host_lookup_failed,
 842   Li_lost_incoming_connection,
 843   Li_outgoing_interface, /* see d_log_interface in deliver.c */
 844   Li_queue_run,
 845   Li_rejected_header,
 846   Li_retry_defer,
 847   Li_sender_verify_fail,
 848   Li_size_reject,
 849   Li_skip_delivery,
 850   Li_smtp_confirmation,
 851   Li_tls_certificate_verified,
 852   Li_tls_cipher,
 853   -1
 854 };
 855
 856 uschar *log_file_path          = US LOG_FILE_PATH
 857                            "\0<--------------Space to patch log_file_path->";
 858
 859 int     log_notall[]           = {
 860   -1
 861 };
 862 bit_table log_options[]        = { /* must be in alphabetical order */
 863   BIT_TABLE(L, 8bitmime),
 864   BIT_TABLE(L, acl_warn_skipped),
 865   BIT_TABLE(L, address_rewrite),
 866   BIT_TABLE(L, all),
 867   BIT_TABLE(L, all_parents),
 868   BIT_TABLE(L, arguments),
 869   BIT_TABLE(L, connection_reject),
 870   BIT_TABLE(L, delay_delivery),
 871   BIT_TABLE(L, deliver_time),
 872   BIT_TABLE(L, delivery_size),
 873   BIT_TABLE(L, dnslist_defer),
 874   BIT_TABLE(L, dnssec),
 875   BIT_TABLE(L, etrn),
 876   BIT_TABLE(L, host_lookup_failed),
 877   BIT_TABLE(L, ident_timeout),
 878   BIT_TABLE(L, incoming_interface),
 879   BIT_TABLE(L, incoming_port),
 880   BIT_TABLE(L, lost_incoming_connection),
 881   BIT_TABLE(L, outgoing_interface),
 882   BIT_TABLE(L, outgoing_port),
 883   BIT_TABLE(L, pid),
 884 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
 885   BIT_TABLE(L, proxy),
 886 #endif
 887   BIT_TABLE(L, queue_run),
 888   BIT_TABLE(L, queue_time),
 889   BIT_TABLE(L, queue_time_overall),
 890   BIT_TABLE(L, received_recipients),
 891   BIT_TABLE(L, received_sender),
 892   BIT_TABLE(L, rejected_header),
 893   { US"rejected_headers", Li_rejected_header },
 894   BIT_TABLE(L, retry_defer),
 895   BIT_TABLE(L, return_path_on_delivery),
 896   BIT_TABLE(L, sender_on_delivery),
 897   BIT_TABLE(L, sender_verify_fail),
 898   BIT_TABLE(L, size_reject),
 899   BIT_TABLE(L, skip_delivery),
 900   BIT_TABLE(L, smtp_confirmation),
 901   BIT_TABLE(L, smtp_connection),
 902   BIT_TABLE(L, smtp_incomplete_transaction),
 903   BIT_TABLE(L, smtp_mailauth),
 904   BIT_TABLE(L, smtp_no_mail),
 905   BIT_TABLE(L, smtp_protocol_error),
 906   BIT_TABLE(L, smtp_syntax_error),
 907   BIT_TABLE(L, subject),
 908   BIT_TABLE(L, tls_certificate_verified),
 909   BIT_TABLE(L, tls_cipher),
 910   BIT_TABLE(L, tls_peerdn),
 911   BIT_TABLE(L, tls_sni),
 912   BIT_TABLE(L, unknown_in_list),
 913 };
 914 int     log_options_count      = nelem(log_options);
 915
 916 int     log_reject_target      = 0;
 917 unsigned int log_selector[log_selector_size]; /* initialized in main() */
 918 uschar *log_selector_string    = NULL;
 919 FILE   *log_stderr             = NULL;
 920 BOOL    log_testing_mode       = FALSE;
 921 BOOL    log_timezone           = FALSE;
 922 uschar *login_sender_address   = NULL;
 923 uschar *lookup_dnssec_authenticated = NULL;
 924 int     lookup_open_max        = 25;
 925 uschar *lookup_value           = NULL;
 926
 927 macro_item  *macros            = NULL;
 928 macro_item  *mlast             = NULL;
 929 uschar *mailstore_basename     = NULL;
 930 #ifdef WITH_CONTENT_SCAN
 931 uschar *malware_name           = NULL;  /* Virus Name */
 932 #endif
 933 int     max_received_linelength= 0;
 934 int     max_username_length    = 0;
 935 int     message_age            = 0;
 936 uschar *message_body           = NULL;
 937 uschar *message_body_end       = NULL;
 938 BOOL    message_body_newlines  = FALSE;
 939 int     message_body_size      = 0;
 940 int     message_body_visible   = 500;
 941 int     message_ended          = END_NOTSTARTED;
 942 uschar *message_headers        = NULL;
 943 uschar *message_id;
 944 uschar *message_id_domain      = NULL;
 945 uschar *message_id_text        = NULL;
 946 struct timeval message_id_tv   = { 0, 0 };
 947 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 948 uschar *message_id_external;
 949 int     message_linecount      = 0;
 950 BOOL    message_logs           = TRUE;
 951 int     message_size           = 0;
 952 uschar *message_size_limit     = US"50M";
 953 #ifdef SUPPORT_I18N
 954 BOOL    message_smtputf8       = FALSE;
 955 int     message_utf8_downconvert = 0;   /* -1 ifneeded; 0 never; 1 always */
 956 #endif
 957 uschar  message_subdir[2]      = { 0, 0 };
 958 uschar *message_reference      = NULL;
 959
 960 /* MIME ACL expandables */
 961 #ifdef WITH_CONTENT_SCAN
 962 int     mime_anomaly_level     = 0;
 963 const uschar *mime_anomaly_text      = NULL;
 964 uschar *mime_boundary          = NULL;
 965 uschar *mime_charset           = NULL;
 966 uschar *mime_content_description = NULL;
 967 uschar *mime_content_disposition = NULL;
 968 uschar *mime_content_id        = NULL;
 969 unsigned int mime_content_size = 0;
 970 uschar *mime_content_transfer_encoding = NULL;
 971 uschar *mime_content_type      = NULL;
 972 uschar *mime_decoded_filename  = NULL;
 973 uschar *mime_filename          = NULL;
 974 int     mime_is_multipart      = 0;
 975 int     mime_is_coverletter    = 0;
 976 int     mime_is_rfc822         = 0;
 977 int     mime_part_count        = -1;
 978 #endif
 979
 980 BOOL    mua_wrapper            = FALSE;
 981
 982 uid_t  *never_users            = NULL;
 983 #ifdef WITH_CONTENT_SCAN
 984 BOOL    no_mbox_unspool        = FALSE;
 985 #endif
 986 BOOL    no_multiline_responses = FALSE;
 987
 988 uid_t   original_euid;
 989 gid_t   originator_gid;
 990 uschar *originator_login       = NULL;
 991 uschar *originator_name        = NULL;
 992 uid_t   originator_uid;
 993 uschar *override_local_interfaces = NULL;
 994 uschar *override_pid_file_path = NULL;
 995
 996 BOOL    parse_allow_group      = FALSE;
 997 BOOL    parse_found_group      = FALSE;
 998 uschar *percent_hack_domains   = NULL;
 999 uschar *pid_file_path          = US PID_FILE_PATH
1000                            "\0<--------------Space to patch pid_file_path->";
1001 BOOL    pipelining_enable      = TRUE;
1002 uschar *pipelining_advertise_hosts = US"*";
1003 BOOL    preserve_message_logs  = FALSE;
1004 uschar *primary_hostname       = NULL;
1005 BOOL    print_topbitchars      = FALSE;
1006 uschar  process_info[PROCESS_INFO_SIZE];
1007 int     process_info_len       = 0;
1008 uschar *process_log_path       = NULL;
1009 BOOL    prod_requires_admin    = TRUE;
1010
1011 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1012 uschar *hosts_proxy            = US"";
1013 uschar *proxy_external_address = US"";
1014 int     proxy_external_port    = 0;
1015 uschar *proxy_local_address    = US"";
1016 int     proxy_local_port       = 0;
1017 BOOL    proxy_session          = FALSE;
1018 BOOL    proxy_session_failed   = FALSE;
1019 #endif
1020
1021 uschar *prvscheck_address      = NULL;
1022 uschar *prvscheck_keynum       = NULL;
1023 uschar *prvscheck_result       = NULL;
1024
1025
1026 const uschar *qualify_domain_recipient = NULL;
1027 uschar *qualify_domain_sender  = NULL;
1028 BOOL    queue_2stage           = FALSE;
1029 uschar *queue_domains          = NULL;
1030 int     queue_interval         = -1;
1031 BOOL    queue_list_requires_admin = TRUE;
1032 uschar *queue_name             = US"";
1033 BOOL    queue_only             = FALSE;
1034 uschar *queue_only_file        = NULL;
1035 int     queue_only_load        = -1;
1036 BOOL    queue_only_load_latch  = TRUE;
1037 BOOL    queue_only_override    = TRUE;
1038 BOOL    queue_only_policy      = FALSE;
1039 BOOL    queue_run_first_delivery = FALSE;
1040 BOOL    queue_run_force        = FALSE;
1041 BOOL    queue_run_in_order     = FALSE;
1042 BOOL    queue_run_local        = FALSE;
1043 uschar *queue_run_max          = US"5";
1044 pid_t   queue_run_pid          = (pid_t)0;
1045 int     queue_run_pipe         = -1;
1046 BOOL    queue_running          = FALSE;
1047 BOOL    queue_smtp             = FALSE;
1048 uschar *queue_smtp_domains     = NULL;
1049
1050 unsigned int random_seed       = 0;
1051 tree_node *ratelimiters_cmd    = NULL;
1052 tree_node *ratelimiters_conn   = NULL;
1053 tree_node *ratelimiters_mail   = NULL;
1054 uschar *raw_active_hostname    = NULL;
1055 uschar *raw_sender             = NULL;
1056 uschar **raw_recipients        = NULL;
1057 int     raw_recipients_count   = 0;
1058
1059 int     rcpt_count             = 0;
1060 int     rcpt_fail_count        = 0;
1061 int     rcpt_defer_count       = 0;
1062 gid_t   real_gid;
1063 uid_t   real_uid;
1064 BOOL    really_exim            = TRUE;
1065 BOOL    receive_call_bombout   = FALSE;
1066 int     receive_linecount      = 0;
1067 int     receive_messagecount   = 0;
1068 int     receive_timeout        = 0;
1069 int     received_count         = 0;
1070 uschar *received_for           = NULL;
1071
1072 /*  This is the default text for Received headers generated by Exim. The
1073 date  will be automatically added on the end. */
1074
1075 uschar *received_header_text   = US
1076      "Received: "
1077      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1078      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1079      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1080      "by $primary_hostname "
1081      "${if def:received_protocol {with $received_protocol}} "
1082      #ifdef SUPPORT_TLS
1083      "${if def:tls_cipher {($tls_cipher)\n\t}}"
1084      #endif
1085      "(Exim $version_number)\n\t"
1086      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1087      "id $message_exim_id"
1088      "${if def:received_for {\n\tfor $received_for}}"
1089      "\0<---------------Space to patch received_header_text->";
1090
1091 int     received_headers_max   = 30;
1092 uschar *received_protocol      = NULL;
1093 int     received_time          = 0;
1094 uschar *recipient_data         = NULL;
1095 uschar *recipient_unqualified_hosts = NULL;
1096 uschar *recipient_verify_failure = NULL;
1097 int     recipients_count       = 0;
1098 BOOL    recipients_discarded   = FALSE;
1099 recipient_item  *recipients_list = NULL;
1100 int     recipients_list_max    = 0;
1101 int     recipients_max         = 0;
1102 BOOL    recipients_max_reject  = FALSE;
1103 const pcre *regex_AUTH         = NULL;
1104 const pcre *regex_check_dns_names = NULL;
1105 const pcre *regex_From         = NULL;
1106 const pcre *regex_IGNOREQUOTA  = NULL;
1107 const pcre *regex_PIPELINING   = NULL;
1108 const pcre *regex_SIZE         = NULL;
1109 const pcre *regex_ismsgid      = NULL;
1110 const pcre *regex_smtp_code    = NULL;
1111 uschar *regex_vars[REGEX_VARS];
1112 #ifdef WHITELIST_D_MACROS
1113 const pcre *regex_whitelisted_macro = NULL;
1114 #endif
1115 #ifdef WITH_CONTENT_SCAN
1116 uschar *regex_match_string     = NULL;
1117 #endif
1118 int     remote_delivery_count  = 0;
1119 int     remote_max_parallel    = 2;
1120 uschar *remote_sort_domains    = NULL;
1121 int     retry_data_expire      = 7*24*60*60;
1122 int     retry_interval_max     = 24*60*60;
1123 int     retry_maximum_timeout  = 0;        /* set from retry config */
1124 retry_config  *retries         = NULL;
1125 uschar *return_path            = NULL;
1126 BOOL    return_path_remove     = TRUE;
1127 int     rewrite_existflags     = 0;
1128 uschar *rfc1413_hosts          = US"@[]";
1129 int     rfc1413_query_timeout  = 0;
1130 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1131 uid_t   root_gid               = ROOT_GID;
1132 uid_t   root_uid               = ROOT_UID;
1133
1134 router_instance  *routers  = NULL;
1135 router_instance  router_defaults = {
1136     NULL,                      /* chain pointer */
1137     NULL,                      /* name */
1138     NULL,                      /* info */
1139     NULL,                      /* private options block pointer */
1140     NULL,                      /* driver name */
1141
1142     NULL,                      /* address_data */
1143 #ifdef EXPERIMENTAL_BRIGHTMAIL
1144     NULL,                      /* bmi_rule */
1145 #endif
1146     NULL,                      /* cannot_route_message */
1147     NULL,                      /* condition */
1148     NULL,                      /* current_directory */
1149     NULL,                      /* debug_string */
1150     NULL,                      /* domains */
1151     NULL,                      /* errors_to */
1152     NULL,                      /* expand_gid */
1153     NULL,                      /* expand_uid */
1154     NULL,                      /* expand_more */
1155     NULL,                      /* expand_unseen */
1156     NULL,                      /* extra_headers */
1157     NULL,                      /* fallback_hosts */
1158     NULL,                      /* home_directory */
1159     NULL,                      /* ignore_target_hosts */
1160     NULL,                      /* local_parts */
1161     NULL,                      /* pass_router_name */
1162     NULL,                      /* prefix */
1163     NULL,                      /* redirect_router_name */
1164     NULL,                      /* remove_headers */
1165     NULL,                      /* require_files */
1166     NULL,                      /* router_home_directory */
1167     US"freeze",                /* self */
1168     NULL,                      /* senders */
1169     NULL,                      /* suffix */
1170     NULL,                      /* translate_ip_address */
1171     NULL,                      /* transport_name */
1172
1173     TRUE,                      /* address_test */
1174 #ifdef EXPERIMENTAL_BRIGHTMAIL
1175     FALSE,                     /* bmi_deliver_alternate */
1176     FALSE,                     /* bmi_deliver_default */
1177     FALSE,                     /* bmi_dont_deliver */
1178 #endif
1179     TRUE,                      /* expn */
1180     FALSE,                     /* caseful_local_part */
1181     FALSE,                     /* check_local_user */
1182     FALSE,                     /* disable_logging */
1183     FALSE,                     /* fail_verify_recipient */
1184     FALSE,                     /* fail_verify_sender */
1185     FALSE,                     /* gid_set */
1186     FALSE,                     /* initgroups */
1187     TRUE_UNSET,                /* log_as_local */
1188     TRUE,                      /* more */
1189     FALSE,                     /* pass_on_timeout */
1190     FALSE,                     /* prefix_optional */
1191     TRUE,                      /* repeat_use */
1192     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1193     FALSE,                     /* same_domain_copy_routing */
1194     FALSE,                     /* self_rewrite */
1195     FALSE,                     /* suffix_optional */
1196     FALSE,                     /* verify_only */
1197     TRUE,                      /* verify_recipient */
1198     TRUE,                      /* verify_sender */
1199     FALSE,                     /* uid_set */
1200     FALSE,                     /* unseen */
1201     FALSE,                     /* dsn_lasthop */
1202
1203     self_freeze,               /* self_code */
1204     (uid_t)(-1),               /* uid */
1205     (gid_t)(-1),               /* gid */
1206
1207     NULL,                      /* fallback_hostlist */
1208     NULL,                      /* transport instance */
1209     NULL,                      /* pass_router */
1210     NULL,                      /* redirect_router */
1211
1212     { NULL, NULL },            /* dnssec_domains {require,request} */
1213 };
1214
1215 uschar *router_name            = NULL;
1216
1217 ip_address_item *running_interfaces = NULL;
1218 BOOL    running_in_test_harness = FALSE;
1219
1220 /* This is a weird one. The following string gets patched in the binary by the
1221 script that sets up a copy of Exim for running in the test harness. It seems
1222 that compilers are now clever, and share constant strings if they can.
1223 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1224 make use of the end of this string in order to save space. So the patching then
1225 wrecks this. We defeat this optimization by adding some additional characters
1226 onto the end of the string. */
1227
1228 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1229
1230 int     runrc                  = 0;
1231
1232 uschar *search_error_message   = NULL;
1233 BOOL    search_find_defer      = FALSE;
1234 uschar *self_hostname          = NULL;
1235 uschar *sender_address         = NULL;
1236 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1237 uschar *sender_address_data    = NULL;
1238 BOOL    sender_address_forced  = FALSE;
1239 uschar *sender_address_unrewritten = NULL;
1240 uschar *sender_data            = NULL;
1241 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1242 uschar *sender_fullhost        = NULL;
1243 BOOL    sender_helo_dnssec     = FALSE;
1244 uschar *sender_helo_name       = NULL;
1245 uschar **sender_host_aliases   = &no_aliases;
1246 uschar *sender_host_address    = NULL;
1247 uschar *sender_host_authenticated = NULL;
1248 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1249 BOOL    sender_host_dnssec     = FALSE;
1250 uschar *sender_host_name       = NULL;
1251 int     sender_host_port       = 0;
1252 BOOL    sender_host_notsocket  = FALSE;
1253 BOOL    sender_host_unknown    = FALSE;
1254 uschar *sender_ident           = NULL;
1255 BOOL    sender_local           = FALSE;
1256 BOOL    sender_name_forced     = FALSE;
1257 uschar *sender_rate            = NULL;
1258 uschar *sender_rate_limit      = NULL;
1259 uschar *sender_rate_period     = NULL;
1260 uschar *sender_rcvhost         = NULL;
1261 BOOL    sender_set_untrusted   = FALSE;
1262 uschar *sender_unqualified_hosts = NULL;
1263 uschar *sender_verify_failure = NULL;
1264 address_item *sender_verified_list  = NULL;
1265 address_item *sender_verified_failed = NULL;
1266 int     sender_verified_rc     = -1;
1267 BOOL    sender_verified_responded = FALSE;
1268 uschar *sending_ip_address     = NULL;
1269 int     sending_port           = -1;
1270 SIGNAL_BOOL sigalrm_seen       = FALSE;
1271 uschar **sighup_argv           = NULL;
1272 int     slow_lookup_log        = 0;     /* millisecs, zero disables */
1273 int     smtp_accept_count      = 0;
1274 BOOL    smtp_accept_keepalive  = TRUE;
1275 int     smtp_accept_max        = 20;
1276 int     smtp_accept_max_nonmail= 10;
1277 uschar *smtp_accept_max_nonmail_hosts = US"*";
1278 int     smtp_accept_max_per_connection = 1000;
1279 uschar *smtp_accept_max_per_host = NULL;
1280 int     smtp_accept_queue      = 0;
1281 int     smtp_accept_queue_per_connection = 10;
1282 int     smtp_accept_reserve    = 0;
1283 uschar *smtp_active_hostname   = NULL;
1284 BOOL    smtp_authenticated     = FALSE;
1285 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1286                              "Exim $version_number $tod_full"
1287                              "\0<---------------Space to patch smtp_banner->";
1288 BOOL    smtp_batched_input     = FALSE;
1289 BOOL    smtp_check_spool_space = TRUE;
1290 int     smtp_ch_index          = 0;
1291 uschar *smtp_cmd_argument      = NULL;
1292 uschar *smtp_cmd_buffer        = NULL;
1293 time_t  smtp_connection_start  = 0;
1294 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1295 int     smtp_connect_backlog   = 20;
1296 double  smtp_delay_mail        = 0.0;
1297 double  smtp_delay_rcpt        = 0.0;
1298 BOOL    smtp_enforce_sync      = TRUE;
1299 FILE   *smtp_in                = NULL;
1300 BOOL    smtp_input             = FALSE;
1301 int     smtp_load_reserve      = -1;
1302 int     smtp_mailcmd_count     = 0;
1303 FILE   *smtp_out               = NULL;
1304 uschar *smtp_etrn_command      = NULL;
1305 BOOL    smtp_etrn_serialize    = TRUE;
1306 int     smtp_max_synprot_errors= 3;
1307 int     smtp_max_unknown_commands = 3;
1308 uschar *smtp_notquit_reason    = NULL;
1309 uschar *smtp_ratelimit_hosts   = NULL;
1310 uschar *smtp_ratelimit_mail    = NULL;
1311 uschar *smtp_ratelimit_rcpt    = NULL;
1312 uschar *smtp_read_error        = US"";
1313 int     smtp_receive_timeout   = 5*60;
1314 uschar *smtp_receive_timeout_s = NULL;
1315 uschar *smtp_reserve_hosts     = NULL;
1316 BOOL    smtp_return_error_details = FALSE;
1317 int     smtp_rlm_base          = 0;
1318 double  smtp_rlm_factor        = 0.0;
1319 int     smtp_rlm_limit         = 0;
1320 int     smtp_rlm_threshold     = INT_MAX;
1321 int     smtp_rlr_base          = 0;
1322 double  smtp_rlr_factor        = 0.0;
1323 int     smtp_rlr_limit         = 0;
1324 int     smtp_rlr_threshold     = INT_MAX;
1325 unsigned smtp_peer_options     = 0;
1326 unsigned smtp_peer_options_wrap= 0;
1327 #ifdef SUPPORT_I18N
1328 uschar *smtputf8_advertise_hosts = US"*";       /* overridden under test-harness */
1329 #endif
1330
1331 #ifdef WITH_CONTENT_SCAN
1332 uschar *spamd_address          = US"127.0.0.1 783";
1333 uschar *spam_bar               = NULL;
1334 uschar *spam_report            = NULL;
1335 uschar *spam_action            = NULL;
1336 uschar *spam_score             = NULL;
1337 uschar *spam_score_int         = NULL;
1338 #endif
1339 #ifdef EXPERIMENTAL_SPF
1340 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1341 uschar *spf_header_comment     = NULL;
1342 uschar *spf_received           = NULL;
1343 uschar *spf_result             = NULL;
1344 uschar *spf_smtp_comment       = NULL;
1345 #endif
1346
1347 BOOL    split_spool_directory  = FALSE;
1348 uschar *spool_directory        = US SPOOL_DIRECTORY
1349                            "\0<--------------Space to patch spool_directory->";
1350 #ifdef EXPERIMENTAL_SRS
1351 uschar *srs_config             = NULL;
1352 uschar *srs_db_address         = NULL;
1353 uschar *srs_db_key             = NULL;
1354 int     srs_hashlength         = 6;
1355 int     srs_hashmin            = -1;
1356 int     srs_maxage             = 31;
1357 uschar *srs_orig_recipient     = NULL;
1358 uschar *srs_orig_sender        = NULL;
1359 uschar *srs_recipient          = NULL;
1360 uschar *srs_secrets            = NULL;
1361 uschar *srs_status             = NULL;
1362 BOOL    srs_usehash            = TRUE;
1363 BOOL    srs_usetimestamp       = TRUE;
1364 #endif
1365 BOOL    strict_acl_vars        = FALSE;
1366 int     string_datestamp_offset= -1;
1367 int     string_datestamp_length= 0;
1368 int     string_datestamp_type  = -1;
1369 BOOL    strip_excess_angle_brackets = FALSE;
1370 BOOL    strip_trailing_dot     = FALSE;
1371 uschar *submission_domain      = NULL;
1372 BOOL    submission_mode        = FALSE;
1373 uschar *submission_name        = NULL;
1374 BOOL    suppress_local_fixups  = FALSE;
1375 BOOL    suppress_local_fixups_default = FALSE;
1376 BOOL    synchronous_delivery   = FALSE;
1377 BOOL    syslog_duplication     = TRUE;
1378 int     syslog_facility        = LOG_MAIL;
1379 uschar *syslog_processname     = US"exim";
1380 BOOL    syslog_timestamp       = TRUE;
1381 uschar *system_filter          = NULL;
1382
1383 uschar *system_filter_directory_transport = NULL;
1384 uschar *system_filter_file_transport = NULL;
1385 uschar *system_filter_pipe_transport = NULL;
1386 uschar *system_filter_reply_transport = NULL;
1387
1388 gid_t   system_filter_gid      = 0;
1389 BOOL    system_filter_gid_set  = FALSE;
1390 uid_t   system_filter_uid      = (uid_t)-1;
1391 BOOL    system_filter_uid_set  = FALSE;
1392 BOOL    system_filtering       = FALSE;
1393
1394 BOOL    tcp_nodelay            = TRUE;
1395 #ifdef USE_TCP_WRAPPERS
1396 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1397 #endif
1398 int     test_harness_load_avg  = 0;
1399 int     thismessage_size_limit = 0;
1400 int     timeout_frozen_after   = 0;
1401 BOOL    timestamps_utc         = FALSE;
1402
1403 transport_instance  *transports = NULL;
1404
1405 transport_instance  transport_defaults = {
1406     NULL,                     /* chain pointer */
1407     NULL,                     /* name */
1408     NULL,                     /* info */
1409     NULL,                     /* private options block pointer */
1410     NULL,                     /* driver name */
1411     NULL,                     /* setup entry point */
1412     1,                        /* batch_max */
1413     NULL,                     /* batch_id */
1414     NULL,                     /* home_dir */
1415     NULL,                     /* current_dir */
1416     NULL,                     /* expand-multi-domain */
1417     TRUE,                     /* multi-domain */
1418     FALSE,                    /* overrides_hosts */
1419     100,                      /* max_addresses */
1420     500,                      /* connection_max_messages */
1421     FALSE,                    /* deliver_as_creator */
1422     FALSE,                    /* disable_logging */
1423     FALSE,                    /* initgroups */
1424     FALSE,                    /* uid_set */
1425     FALSE,                    /* gid_set */
1426     (uid_t)(-1),              /* uid */
1427     (gid_t)(-1),              /* gid */
1428     NULL,                     /* expand_uid */
1429     NULL,                     /* expand_gid */
1430     NULL,                     /* warn_message */
1431     NULL,                     /* shadow */
1432     NULL,                     /* shadow_condition */
1433     NULL,                     /* filter_command */
1434     NULL,                     /* add_headers */
1435     NULL,                     /* remove_headers */
1436     NULL,                     /* return_path */
1437     NULL,                     /* debug_string */
1438     NULL,                     /* max_parallel */
1439     NULL,                     /* message_size_limit */
1440     NULL,                     /* headers_rewrite */
1441     NULL,                     /* rewrite_rules */
1442     0,                        /* rewrite_existflags */
1443     300,                      /* filter_timeout */
1444     FALSE,                    /* body_only */
1445     FALSE,                    /* delivery_date_add */
1446     FALSE,                    /* envelope_to_add */
1447     FALSE,                    /* headers_only */
1448     FALSE,                    /* rcpt_include_affixes */
1449     FALSE,                    /* return_path_add */
1450     FALSE,                    /* return_output */
1451     FALSE,                    /* return_fail_output */
1452     FALSE,                    /* log_output */
1453     FALSE,                    /* log_fail_output */
1454     FALSE,                    /* log_defer_output */
1455     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1456                                  1 nor 0 so can detect unset */
1457 #ifndef DISABLE_EVENT
1458    ,NULL                      /* event_action */
1459 #endif
1460 };
1461
1462 int     transport_count;
1463 uschar *transport_name          = NULL;
1464 int     transport_newlines;
1465 const uschar **transport_filter_argv  = NULL;
1466 int     transport_filter_timeout;
1467 BOOL    transport_filter_timed_out = FALSE;
1468 int     transport_write_timeout= 0;
1469
1470 tree_node  *tree_dns_fails     = NULL;
1471 tree_node  *tree_duplicates    = NULL;
1472 tree_node  *tree_nonrecipients = NULL;
1473 tree_node  *tree_unusable      = NULL;
1474
1475 BOOL    trusted_caller         = FALSE;
1476 BOOL    trusted_config         = TRUE;
1477 gid_t  *trusted_groups         = NULL;
1478 uid_t  *trusted_users          = NULL;
1479 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1480
1481 uschar *unknown_login          = NULL;
1482 uschar *unknown_username       = NULL;
1483 uschar *untrusted_set_sender   = NULL;
1484
1485 /*  A regex for matching a "From_" line in an incoming message, in the form
1486
1487     From ph10 Fri Jan  5 12:35 GMT 1996
1488
1489 which  the "mail" commands send to the MTA (undocumented, of course), or in
1490 the  form
1491
1492     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1493
1494 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1495 Because  of variations in time formats, just match up to the minutes. That
1496 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1497 so  just require one digit for hours and minutes. The weekday is also absent
1498 in  some forms. */
1499
1500 uschar *uucp_from_pattern      = US
1501    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1502    "(?:"                                          /* Non-extracting bracket */
1503    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1504    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1505    ")"                                            /* End alternation */
1506    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1507
1508 uschar *uucp_from_sender       = US"$1";
1509
1510 uschar *verify_mode            = NULL;
1511 uschar *version_copyright      =
1512  US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1513    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
1514 uschar *version_date           = US"?";
1515 uschar *version_cnumber        = US"????";
1516 uschar *version_string         = US"?";
1517
1518 uschar *warn_message_file      = NULL;
1519 int     warning_count          = 0;
1520 uschar *warnmsg_delay          = NULL;
1521 uschar *warnmsg_recipients     = NULL;
1522 BOOL    write_rejectlog        = TRUE;
1523
1524
1525 /*  End of globals.c */