/************************************************* * Exim - an Internet mail transport agent * *************************************************/ /* Copyright (c) The Exim Maintainers 2020 - 2022 */ /* Copyright (c) University of Cambridge 1995 - 2018 */ /* See the file NOTICE for conditions of use and distribution. */ /* All the global variables are defined together in this one module, so that they are easy to find. */ #include "exim.h" /* Generic options for auths, all of which live inside auth_instance data blocks and hence have the opt_public flag set. */ optionlist optionlist_auths[] = { { "client_condition", opt_stringptr | opt_public, OPT_OFF(auth_instance, client_condition) }, { "client_set_id", opt_stringptr | opt_public, OPT_OFF(auth_instance, set_client_id) }, { "driver", opt_stringptr | opt_public, OPT_OFF(auth_instance, driver_name) }, { "public_name", opt_stringptr | opt_public, OPT_OFF(auth_instance, public_name) }, { "server_advertise_condition", opt_stringptr | opt_public, OPT_OFF(auth_instance, advertise_condition)}, { "server_condition", opt_stringptr | opt_public, OPT_OFF(auth_instance, server_condition) }, { "server_debug_print", opt_stringptr | opt_public, OPT_OFF(auth_instance, server_debug_string) }, { "server_mail_auth_condition", opt_stringptr | opt_public, OPT_OFF(auth_instance, mail_auth_condition) }, { "server_set_id", opt_stringptr | opt_public, OPT_OFF(auth_instance, set_id) } }; int optionlist_auths_size = nelem(optionlist_auths); /* An empty host aliases list. */ uschar *no_aliases = NULL; /* For comments on these variables, see globals.h. I'm too idle to duplicate them here... */ #ifdef EXIM_PERL uschar *opt_perl_startup = NULL; BOOL opt_perl_at_start = FALSE; BOOL opt_perl_started = FALSE; BOOL opt_perl_taintmode = FALSE; #endif #ifdef EXPAND_DLFUNC tree_node *dlobj_anchor = NULL; #endif #ifdef LOOKUP_IBASE uschar *ibase_servers = NULL; #endif #ifdef LOOKUP_LDAP uschar *eldap_ca_cert_dir = NULL; uschar *eldap_ca_cert_file = NULL; uschar *eldap_cert_file = NULL; uschar *eldap_cert_key = NULL; uschar *eldap_cipher_suite = NULL; uschar *eldap_default_servers = NULL; uschar *eldap_require_cert = NULL; int eldap_version = -1; BOOL eldap_start_tls = FALSE; #endif #ifdef LOOKUP_MYSQL uschar *mysql_servers = NULL; #endif #ifdef LOOKUP_ORACLE uschar *oracle_servers = NULL; #endif #ifdef LOOKUP_PGSQL uschar *pgsql_servers = NULL; #endif #ifdef LOOKUP_REDIS uschar *redis_servers = NULL; #endif #ifdef LOOKUP_SQLITE uschar *sqlite_dbfile = NULL; int sqlite_lock_timeout = 5; #endif #ifdef SUPPORT_MOVE_FROZEN_MESSAGES BOOL move_frozen_messages = FALSE; #endif /* These variables are outside the #ifdef because it keeps the code less cluttered in several places (e.g. during logging) if we can always refer to them. Also, the tls_ variables are now always visible. Note that these are only used for smtp connections, not for service-daemon access. */ tls_support tls_in = { .active = {.sock = -1} /* all other elements zero */ }; tls_support tls_out = { .active = {.sock = -1}, /* all other elements zero */ }; uschar *dsn_envid = NULL; int dsn_ret = 0; const pcre2_code *regex_DSN = NULL; uschar *dsn_advertise_hosts = NULL; #ifndef DISABLE_TLS BOOL gnutls_compat_mode = FALSE; BOOL gnutls_allow_auto_pkcs11 = FALSE; uschar *hosts_require_alpn = NULL; uschar *openssl_options = NULL; const pcre2_code *regex_STARTTLS = NULL; uschar *tls_advertise_hosts = US"*"; uschar *tls_alpn = US"smtp:esmtp"; uschar *tls_certificate = NULL; uschar *tls_crl = NULL; /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because that's the interop problem which has been observed: GnuTLS suggesting a higher bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */ int tls_dh_max_bits = 2236; uschar *tls_dhparam = NULL; uschar *tls_eccurve = US"auto"; # ifndef DISABLE_OCSP uschar *tls_ocsp_file = NULL; # endif uschar *tls_privatekey = NULL; BOOL tls_remember_esmtp = FALSE; uschar *tls_require_ciphers = NULL; # ifndef DISABLE_TLS_RESUME uschar *tls_resumption_hosts = NULL; # endif uschar *tls_try_verify_hosts = NULL; uschar *tls_verify_certificates= US"system"; uschar *tls_verify_hosts = NULL; int tls_watch_fd = -1; time_t tls_watch_trigger_time = (time_t)0; #else /*DISABLE_TLS*/ uschar *tls_advertise_hosts = NULL; #endif #ifndef DISABLE_PRDR /* Per Recipient Data Response variables */ BOOL prdr_enable = FALSE; BOOL prdr_requested = FALSE; const pcre2_code *regex_PRDR = NULL; #endif #ifdef SUPPORT_I18N const pcre2_code *regex_UTF8 = NULL; #endif /* Input-reading functions for messages, so we can use special ones for incoming TCP/IP. The defaults use stdin. We never need these for any stand-alone tests. */ #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF) int (*lwr_receive_getc)(unsigned) = stdin_getc; uschar * (*lwr_receive_getbuf)(unsigned *) = NULL; int (*lwr_receive_ungetc)(int) = stdin_ungetc; BOOL (*lwr_receive_hasc)(void) = stdin_hasc; int (*receive_getc)(unsigned) = stdin_getc; uschar * (*receive_getbuf)(unsigned *) = NULL; void (*receive_get_cache)(unsigned) = NULL; BOOL (*receive_hasc)(void) = stdin_hasc; int (*receive_ungetc)(int) = stdin_ungetc; int (*receive_feof)(void) = stdin_feof; int (*receive_ferror)(void) = stdin_ferror; #endif /* List of per-address expansion variables for clearing and saving/restoring when verifying one address while routing/verifying another. We have to have the size explicit, because it is referenced from more than one module. */ const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = { CUSS &deliver_address_data, CUSS &deliver_domain, CUSS &deliver_domain_data, CUSS &deliver_domain_orig, CUSS &deliver_domain_parent, CUSS &deliver_localpart, CUSS &deliver_localpart_data, CUSS &deliver_localpart_orig, CUSS &deliver_localpart_parent, CUSS &deliver_localpart_prefix, CUSS &deliver_localpart_suffix, CUSS (uschar **)(&deliver_recipients), CUSS &deliver_host, CUSS &deliver_home, CUSS &address_file, CUSS &address_pipe, CUSS &self_hostname, NULL }; int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **); /******************************************************************************/ /* General global variables. Boolean flags are done as a group so that only one bit each is needed, packed, for all those we never need to take a pointer - and only a char for the rest. This means a struct, unfortunately since it clutters the sourcecode. */ struct global_flags f = { .acl_temp_details = FALSE, .active_local_from_check = FALSE, .active_local_sender_retain = FALSE, .address_test_mode = FALSE, .admin_user = FALSE, .allow_auth_unadvertised= FALSE, .allow_unqualified_recipient = TRUE, /* For local messages */ .allow_unqualified_sender = TRUE, /* Reset for SMTP */ .authentication_local = FALSE, .background_daemon = TRUE, .bdat_readers_wanted = FALSE, .chunking_offered = FALSE, .config_changed = FALSE, .continue_more = FALSE, .daemon_listen = FALSE, .debug_daemon = FALSE, .deliver_firsttime = FALSE, .deliver_force = FALSE, .deliver_freeze = FALSE, .deliver_force_thaw = FALSE, .deliver_manual_thaw = FALSE, .deliver_selectstring_regex = FALSE, .deliver_selectstring_sender_regex = FALSE, .disable_callout_flush = FALSE, .disable_delay_flush = FALSE, .disable_logging = FALSE, #ifndef DISABLE_DKIM .dkim_disable_verify = FALSE, .dkim_init_done = FALSE, #endif #ifdef SUPPORT_DMARC .dmarc_has_been_checked = FALSE, .dmarc_disable_verify = FALSE, .dmarc_enable_forensic = FALSE, #endif .dont_deliver = FALSE, .dot_ends = TRUE, .enable_dollar_recipients = FALSE, .expand_string_forcedfail = FALSE, .filter_running = FALSE, .header_rewritten = FALSE, .helo_verified = FALSE, .helo_verify_failed = FALSE, .host_checking_callout = FALSE, .host_find_failed_syntax= FALSE, .inetd_wait_mode = FALSE, .is_inetd = FALSE, .local_error_message = FALSE, .log_testing_mode = FALSE, #ifdef WITH_CONTENT_SCAN .no_mbox_unspool = FALSE, #endif .no_multiline_responses = FALSE, .parse_allow_group = FALSE, .parse_found_group = FALSE, .pipelining_enable = TRUE, #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS) .proxy_session_failed = FALSE, #endif .queue_2stage = FALSE, .queue_only_policy = FALSE, .queue_run_first_delivery = FALSE, .queue_run_force = FALSE, .queue_run_local = FALSE, .queue_running = FALSE, .queue_smtp = FALSE, .really_exim = TRUE, .receive_call_bombout = FALSE, .recipients_discarded = FALSE, .running_in_test_harness = FALSE, .search_find_defer = FALSE, .sender_address_forced = FALSE, .sender_host_notsocket = FALSE, .sender_host_unknown = FALSE, .sender_local = FALSE, .sender_name_forced = FALSE, .sender_set_untrusted = FALSE, .smtp_authenticated = FALSE, #ifndef DISABLE_PIPE_CONNECT .smtp_in_early_pipe_advertised = FALSE, .smtp_in_early_pipe_no_auth = FALSE, .smtp_in_early_pipe_used = FALSE, #endif .smtp_in_pipelining_advertised = FALSE, .smtp_in_pipelining_used = FALSE, .smtp_in_quit = FALSE, .spool_file_wireformat = FALSE, .submission_mode = FALSE, .suppress_local_fixups = FALSE, .suppress_local_fixups_default = FALSE, .synchronous_delivery = FALSE, .system_filtering = FALSE, .taint_check_slow = FALSE, .testsuite_delays = TRUE, .tcp_fastopen_ok = FALSE, .tcp_in_fastopen = FALSE, .tcp_in_fastopen_data = FALSE, .tcp_in_fastopen_logged = FALSE, .tcp_out_fastopen_logged= FALSE, .timestamps_utc = FALSE, .transport_filter_timed_out = FALSE, .trusted_caller = FALSE, .trusted_config = TRUE, }; /******************************************************************************/ /* These are the flags which are either variables or mainsection options, so an address is needed for access, or are exported to local_scan. */ BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */ BOOL allow_domain_literals = FALSE; BOOL allow_mx_to_ip = FALSE; BOOL allow_utf8_domains = FALSE; BOOL authentication_failed = FALSE; BOOL bounce_return_body = TRUE; BOOL bounce_return_message = TRUE; BOOL check_rfc2047_length = TRUE; BOOL commandline_checks_require_admin = FALSE; #ifdef EXPERIMENTAL_DCC BOOL dcc_direct_add_header = FALSE; #endif BOOL debug_store = FALSE; BOOL delivery_date_remove = TRUE; BOOL deliver_drop_privilege = FALSE; #ifdef ENABLE_DISABLE_FSYNC BOOL disable_fsync = FALSE; #endif BOOL disable_ipv6 = FALSE; BOOL dns_csa_use_reverse = TRUE; BOOL drop_cr = FALSE; /* No longer used */ BOOL envelope_to_remove = TRUE; BOOL exim_gid_set = TRUE; /* This gid is always set */ BOOL exim_uid_set = TRUE; /* This uid is always set */ BOOL extract_addresses_remove_arguments = TRUE; BOOL host_checking = FALSE; BOOL host_lookup_deferred = FALSE; BOOL host_lookup_failed = FALSE; BOOL ignore_fromline_local = FALSE; BOOL local_from_check = TRUE; BOOL local_sender_retain = FALSE; BOOL log_timezone = FALSE; BOOL message_body_newlines = FALSE; BOOL message_logs = TRUE; #ifdef SUPPORT_I18N BOOL message_smtputf8 = FALSE; #endif BOOL mua_wrapper = FALSE; BOOL preserve_message_logs = FALSE; BOOL print_topbitchars = FALSE; BOOL prod_requires_admin = TRUE; #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS) BOOL proxy_session = FALSE; #endif #ifndef DISABLE_QUEUE_RAMP BOOL queue_fast_ramp = FALSE; #endif BOOL queue_list_requires_admin = TRUE; BOOL queue_only = FALSE; BOOL queue_only_load_latch = TRUE; BOOL queue_only_override = TRUE; BOOL queue_run_in_order = FALSE; BOOL recipients_max_reject = FALSE; BOOL return_path_remove = TRUE; BOOL smtp_batched_input = FALSE; BOOL sender_helo_dnssec = FALSE; BOOL sender_host_dnssec = FALSE; BOOL smtp_accept_keepalive = TRUE; BOOL smtp_check_spool_space = TRUE; BOOL smtp_enforce_sync = TRUE; BOOL smtp_etrn_serialize = TRUE; BOOL smtp_input = FALSE; BOOL smtp_return_error_details = FALSE; #ifdef SUPPORT_SPF BOOL spf_result_guessed = FALSE; #endif BOOL split_spool_directory = FALSE; BOOL spool_wireformat = FALSE; BOOL strict_acl_vars = FALSE; BOOL strip_excess_angle_brackets = FALSE; BOOL strip_trailing_dot = FALSE; BOOL syslog_duplication = TRUE; BOOL syslog_pid = TRUE; BOOL syslog_timestamp = TRUE; BOOL system_filter_gid_set = FALSE; BOOL system_filter_uid_set = FALSE; BOOL tcp_nodelay = TRUE; BOOL write_rejectlog = TRUE; /******************************************************************************/ header_line *acl_added_headers = NULL; tree_node *acl_anchor = NULL; uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}; int acl_narg = 0; int acl_level = 0; uschar *acl_not_smtp = NULL; #ifdef WITH_CONTENT_SCAN uschar *acl_not_smtp_mime = NULL; #endif uschar *acl_not_smtp_start = NULL; uschar *acl_removed_headers = NULL; uschar *acl_smtp_auth = NULL; uschar *acl_smtp_connect = NULL; uschar *acl_smtp_data = NULL; #ifndef DISABLE_PRDR uschar *acl_smtp_data_prdr = US"accept"; #endif #ifndef DISABLE_DKIM uschar *acl_smtp_dkim = NULL; #endif uschar *acl_smtp_etrn = NULL; uschar *acl_smtp_expn = NULL; uschar *acl_smtp_helo = NULL; uschar *acl_smtp_mail = NULL; uschar *acl_smtp_mailauth = NULL; #ifdef WITH_CONTENT_SCAN uschar *acl_smtp_mime = NULL; #endif uschar *acl_smtp_notquit = NULL; uschar *acl_smtp_predata = NULL; uschar *acl_smtp_quit = NULL; uschar *acl_smtp_rcpt = NULL; uschar *acl_smtp_starttls = NULL; uschar *acl_smtp_vrfy = NULL; tree_node *acl_var_c = NULL; tree_node *acl_var_m = NULL; uschar *acl_verify_message = NULL; string_item *acl_warn_logged = NULL; /* Names of SMTP places for use in ACL error messages, and corresponding SMTP error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */ uschar *acl_wherenames[] = { US"RCPT", US"MAIL", US"PREDATA", US"MIME", US"DKIM", US"DATA", #ifndef DISABLE_PRDR US"PRDR", #endif US"non-SMTP", US"AUTH", US"connection", US"ETRN", US"EXPN", US"EHLO or HELO", US"MAILAUTH", US"non-SMTP-start", US"NOTQUIT", US"QUIT", US"STARTTLS", US"VRFY", US"delivery", US"unknown" }; uschar *acl_wherecodes[] = { US"550", /* RCPT */ US"550", /* MAIL */ US"550", /* PREDATA */ US"550", /* MIME */ US"550", /* DKIM */ US"550", /* DATA */ #ifndef DISABLE_PRDR US"550", /* RCPT PRDR */ #endif US"0", /* not SMTP; not relevant */ US"503", /* AUTH */ US"550", /* connect */ US"458", /* ETRN */ US"550", /* EXPN */ US"550", /* HELO/EHLO */ US"0", /* MAILAUTH; not relevant */ US"0", /* not SMTP; not relevant */ US"0", /* NOTQUIT; not relevant */ US"0", /* QUIT; not relevant */ US"550", /* STARTTLS */ US"252", /* VRFY */ US"0", /* delivery; not relevant */ US"0" /* unknown; not relevant */ }; uschar *add_environment = NULL; address_item *addr_duplicate = NULL; address_item address_defaults = { .next = NULL, .parent = NULL, .first = NULL, .dupof = NULL, .start_router = NULL, .router = NULL, .transport = NULL, .host_list = NULL, .host_used = NULL, .fallback_hosts = NULL, .reply = NULL, .retries = NULL, .address = NULL, .unique = NULL, .cc_local_part = NULL, .lc_local_part = NULL, .local_part = NULL, .prefix = NULL, .prefix_v = NULL, .suffix = NULL, .suffix_v = NULL, .domain = NULL, .address_retry_key = NULL, .domain_retry_key = NULL, .current_dir = NULL, .home_dir = NULL, .message = NULL, .user_message = NULL, .onetime_parent = NULL, .pipe_expandn = NULL, .return_filename = NULL, .self_hostname = NULL, .shadow_message = NULL, #ifndef DISABLE_TLS .cipher = NULL, .ourcert = NULL, .peercert = NULL, .peerdn = NULL, .ocsp = OCSP_NOT_REQ, #endif #ifdef EXPERIMENTAL_DSN_INFO .smtp_greeting = NULL, .helo_response = NULL, #endif .authenticator = NULL, .auth_id = NULL, .auth_sndr = NULL, .dsn_orcpt = NULL, .dsn_flags = 0, .dsn_aware = 0, .uid = (uid_t)(-1), .gid = (gid_t)(-1), .flags = { 0 }, .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */ .localpart_cache = { 0 }, /* localpart_cache - ditto */ .mode = -1, .more_errno = 0, .delivery_time = {.tv_sec = 0, .tv_usec = 0}, .basic_errno = ERRNO_UNKNOWNERROR, .child_count = 0, .return_file = -1, .special_action = SPECIAL_NONE, .transport_return = DEFER, .prop = { /* fields that are propagated to children */ .address_data = NULL, .domain_data = NULL, .localpart_data = NULL, .errors_address = NULL, .extra_headers = NULL, .remove_headers = NULL, .variables = NULL, .ignore_error = FALSE, #ifdef SUPPORT_I18N .utf8_msg = FALSE, .utf8_downcvt = FALSE, .utf8_downcvt_maybe = FALSE #endif } }; uschar *address_file = NULL; uschar *address_pipe = NULL; tree_node *addresslist_anchor = NULL; int addresslist_count = 0; gid_t *admin_groups = NULL; #ifdef EXPERIMENTAL_ARC struct arc_set *arc_received = NULL; int arc_received_instance = 0; int arc_oldest_pass = 0; const uschar *arc_state = NULL; const uschar *arc_state_reason = NULL; #endif uschar *authenticated_fail_id = NULL; uschar *authenticated_id = NULL; uschar *authenticated_sender = NULL; auth_instance *auths = NULL; uschar *auth_advertise_hosts = US"*"; auth_instance auth_defaults = { .next = NULL, .name = NULL, .info = NULL, .options_block = NULL, .driver_name = NULL, .advertise_condition = NULL, .client_condition = NULL, .public_name = NULL, .set_id = NULL, .set_client_id = NULL, .mail_auth_condition = NULL, .server_debug_string = NULL, .server_condition = NULL, .client = FALSE, .server = FALSE, .advertised = FALSE }; uschar *auth_defer_msg = US"reason not recorded"; uschar *auth_defer_user_msg = US""; const uschar *auth_vars[AUTH_VARS]; uschar *authenticator_name = NULL; int auto_thaw = 0; #ifdef WITH_CONTENT_SCAN int av_failed = FALSE; /* boolean but accessed as vtype_int*/ uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */ #endif #if BASE_62 == 62 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; #else uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; #endif uschar *bi_command = NULL; uschar *big_buffer = NULL; int big_buffer_size = BIG_BUFFER_SIZE; #ifdef EXPERIMENTAL_BRIGHTMAIL uschar *bmi_alt_location = NULL; uschar *bmi_base64_tracker_verdict = NULL; uschar *bmi_base64_verdict = NULL; uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg"; int bmi_deliver = 1; int bmi_run = 0; uschar *bmi_verdicts = NULL; #endif int bsmtp_transaction_linecount = 0; int body_8bitmime = 0; int body_linecount = 0; int body_zerocount = 0; uschar *bounce_message_file = NULL; uschar *bounce_message_text = NULL; uschar *bounce_recipient = NULL; int bounce_return_linesize_limit = 998; int bounce_return_size_limit = 100*1024; uschar *bounce_sender_authentication = NULL; uschar *callout_address = NULL; int callout_cache_domain_positive_expire = 7*24*60*60; int callout_cache_domain_negative_expire = 3*60*60; int callout_cache_positive_expire = 24*60*60; int callout_cache_negative_expire = 2*60*60; uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing"; uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$"; int check_log_inodes = 100; int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */ int check_spool_inodes = 100; int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */ uschar *chunking_advertise_hosts = US"*"; unsigned chunking_datasize = 0; unsigned chunking_data_left = 0; chunking_state_t chunking_state= CHUNKING_NOT_OFFERED; const pcre2_code *regex_CHUNKING = NULL; #ifdef EXPERIMENTAL_ESMTP_LIMITS const pcre2_code *regex_LIMITS = NULL; #endif uschar *client_authenticator = NULL; uschar *client_authenticated_id = NULL; uschar *client_authenticated_sender = NULL; #ifndef DISABLE_CLIENT_CMD_LOG gstring *client_cmd_log = NULL; #endif int clmacro_count = 0; uschar *clmacros[MAX_CLMACROS]; FILE *config_file = NULL; const uschar *config_filename = NULL; int config_lineno = 0; #ifdef CONFIGURE_GROUP gid_t config_gid = CONFIGURE_GROUP; #else gid_t config_gid = 0; #endif uschar *config_main_filelist = US CONFIGURE_FILE "\0<-----------Space to patch configure_filename->"; uschar *config_main_filename = NULL; uschar *config_main_directory = NULL; #ifdef CONFIGURE_OWNER uid_t config_uid = CONFIGURE_OWNER; #else uid_t config_uid = 0; #endif int connection_max_messages= -1; uschar *continue_proxy_cipher = NULL; BOOL continue_proxy_dane = FALSE; uschar *continue_proxy_sni = NULL; uschar *continue_hostname = NULL; uschar *continue_host_address = NULL; int continue_sequence = 1; uschar *continue_transport = NULL; #ifdef EXPERIMENTAL_ESMTP_LIMITS unsigned continue_limit_mail = 0; unsigned continue_limit_rcpt = 0; unsigned continue_limit_rcptdom= 0; #endif uschar *csa_status = NULL; cut_t cutthrough = { .callout_hold_only = FALSE, /* verify-only: normal delivery */ .delivery = FALSE, /* when to attempt */ .defer_pass = FALSE, /* on defer: spool locally */ .is_tls = FALSE, /* not a TLS conn yet */ .cctx = {.sock = -1}, /* open connection */ .nrcpt = 0, /* number of addresses */ }; int daemon_notifier_fd = -1; uschar *daemon_smtp_port = US"smtp"; int daemon_startup_retries = 9; int daemon_startup_sleep = 30; #ifdef EXPERIMENTAL_DCC uschar *dcc_header = NULL; uschar *dcc_result = NULL; uschar *dccifd_address = US"/usr/local/dcc/var/dccifd"; uschar *dccifd_options = US"header"; #endif int debug_fd = -1; FILE *debug_file = NULL; int debug_notall[] = { Di_memory, Di_noutf8, -1 }; bit_table debug_options[] = { /* must be in alphabetical order and use only the enum values from macro.h */ BIT_TABLE(D, acl), BIT_TABLE(D, all), BIT_TABLE(D, auth), BIT_TABLE(D, deliver), BIT_TABLE(D, dns), BIT_TABLE(D, dnsbl), BIT_TABLE(D, exec), BIT_TABLE(D, expand), BIT_TABLE(D, filter), BIT_TABLE(D, hints_lookup), BIT_TABLE(D, host_lookup), BIT_TABLE(D, ident), BIT_TABLE(D, interface), BIT_TABLE(D, lists), BIT_TABLE(D, load), BIT_TABLE(D, local_scan), BIT_TABLE(D, lookup), BIT_TABLE(D, memory), BIT_TABLE(D, noutf8), BIT_TABLE(D, pid), BIT_TABLE(D, process_info), BIT_TABLE(D, queue_run), BIT_TABLE(D, receive), BIT_TABLE(D, resolver), BIT_TABLE(D, retry), BIT_TABLE(D, rewrite), BIT_TABLE(D, route), BIT_TABLE(D, timestamp), BIT_TABLE(D, tls), BIT_TABLE(D, transport), BIT_TABLE(D, uid), BIT_TABLE(D, verify), }; int debug_options_count = nelem(debug_options); uschar debuglog_name[LOG_NAME_SIZE] = {0}; unsigned debug_pretrigger_bsize = 0; uschar * debug_pretrigger_buf = NULL; unsigned int debug_selector = 0; int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 }; uschar *delay_warning_condition= US"${if or {" "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }" "{ match{$h_precedence:}{(?i)bulk|list|junk} }" "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }" "} {no}{yes}}"; uschar *deliver_address_data = NULL; int deliver_datafile = -1; const uschar *deliver_domain = NULL; uschar *deliver_domain_data = NULL; const uschar *deliver_domain_orig = NULL; const uschar *deliver_domain_parent = NULL; time_t deliver_frozen_at = 0; uschar *deliver_home = NULL; const uschar *deliver_host = NULL; const uschar *deliver_host_address = NULL; int deliver_host_port = 0; uschar *deliver_in_buffer = NULL; ino_t deliver_inode = 0; uschar *deliver_localpart = NULL; uschar *deliver_localpart_data = NULL; uschar *deliver_localpart_orig = NULL; uschar *deliver_localpart_parent = NULL; uschar *deliver_localpart_prefix = NULL; uschar *deliver_localpart_prefix_v = NULL; uschar *deliver_localpart_suffix = NULL; uschar *deliver_localpart_suffix_v = NULL; uschar *deliver_out_buffer = NULL; int deliver_queue_load_max = -1; address_item *deliver_recipients = NULL; uschar *deliver_selectstring = NULL; uschar *deliver_selectstring_sender = NULL; #ifndef DISABLE_DKIM unsigned dkim_collect_input = 0; uschar *dkim_cur_signer = NULL; int dkim_key_length = 0; void *dkim_signatures = NULL; uschar *dkim_signers = NULL; uschar *dkim_signing_domain = NULL; uschar *dkim_signing_selector = NULL; uschar *dkim_verify_hashes = US"sha256:sha512"; uschar *dkim_verify_keytypes = US"ed25519:rsa"; uschar *dkim_verify_min_keysizes = US"rsa=1024 ed25519=250"; BOOL dkim_verify_minimal = FALSE; uschar *dkim_verify_overall = NULL; uschar *dkim_verify_signers = US"$dkim_signers"; uschar *dkim_verify_status = NULL; uschar *dkim_verify_reason = NULL; #endif #ifdef SUPPORT_DMARC uschar *dmarc_domain_policy = NULL; uschar *dmarc_forensic_sender = NULL; uschar *dmarc_history_file = NULL; uschar *dmarc_status = NULL; uschar *dmarc_status_text = NULL; uschar *dmarc_tld_file = NULL; uschar *dmarc_used_domain = NULL; #endif uschar *dns_again_means_nonexist = NULL; int dns_csa_search_limit = 5; int dns_cname_loops = 1; #ifdef SUPPORT_DANE int dns_dane_ok = -1; #endif uschar *dns_ipv4_lookup = NULL; int dns_retrans = 0; int dns_retry = 0; int dns_dnssec_ok = -1; /* <0 = not coerced */ uschar *dns_trust_aa = NULL; int dns_use_edns0 = -1; /* <0 = not coerced */ uschar *dnslist_domain = NULL; uschar *dnslist_matched = NULL; uschar *dnslist_text = NULL; uschar *dnslist_value = NULL; tree_node *domainlist_anchor = NULL; int domainlist_count = 0; const uschar *driver_srcfile = NULL; int driver_srcline = 0; uschar *dsn_from = US DEFAULT_DSN_FROM; unsigned int dtrigger_selector = 0; int errno_quota = ERRNO_QUOTA; uschar *errors_copy = NULL; int error_handling = ERRORS_SENDER; uschar *errors_reply_to = NULL; int errors_sender_rc = EXIT_FAILURE; #ifndef DISABLE_EVENT uschar *event_action = NULL; /* expansion for delivery events */ uschar *event_data = NULL; /* auxiliary data variable for event */ int event_defer_errno = 0; const uschar *event_name = NULL; /* event name variable */ #endif gid_t exim_gid = EXIM_GID; uschar *exim_path = US BIN_DIRECTORY "/exim" "\0<---------------Space to patch exim_path->"; uid_t exim_uid = EXIM_UID; int expand_level = 0; /* Nesting depth, indent for debug */ int expand_forbid = 0; int expand_nlength[EXPAND_MAXN+1]; int expand_nmax = -1; const uschar *expand_nstring[EXPAND_MAXN+1]; uschar *expand_string_message; uschar *extra_local_interfaces = NULL; int fake_response = OK; uschar *fake_response_text = US"Your message has been rejected but is " "being kept for evaluation.\nIf it was a " "legitimate message, it may still be " "delivered to the target recipient(s)."; int filter_n[FILTER_VARIABLE_COUNT]; int filter_sn[FILTER_VARIABLE_COUNT]; int filter_test = FTEST_NONE; uschar *filter_test_sfile = NULL; uschar *filter_test_ufile = NULL; uschar *filter_thisaddress = NULL; int finduser_retries = 0; uid_t fixed_never_users[] = { FIXED_NEVER_USERS }; uschar *freeze_tell = NULL; uschar *freeze_tell_config = NULL; uschar *fudged_queue_times = US""; uschar *gecos_name = NULL; uschar *gecos_pattern = NULL; rewrite_rule *global_rewrite_rules = NULL; volatile sig_atomic_t had_command_timeout = 0; volatile sig_atomic_t had_command_sigterm = 0; volatile sig_atomic_t had_data_timeout = 0; volatile sig_atomic_t had_data_sigint = 0; const uschar *headers_charset = US HEADERS_CHARSET; int header_insert_maxlen = 64 * 1024; header_line *header_last = NULL; header_line *header_list = NULL; int header_maxsize = HEADER_MAXSIZE; int header_line_maxsize = 0; header_name header_names[] = { /* name len allow_resent htype */ { US"bcc", 3, TRUE, htype_bcc }, { US"cc", 2, TRUE, htype_cc }, { US"date", 4, TRUE, htype_date }, { US"delivery-date", 13, FALSE, htype_delivery_date }, { US"envelope-to", 11, FALSE, htype_envelope_to }, { US"from", 4, TRUE, htype_from }, { US"message-id", 10, TRUE, htype_id }, { US"received", 8, FALSE, htype_received }, { US"reply-to", 8, FALSE, htype_reply_to }, { US"return-path", 11, FALSE, htype_return_path }, { US"sender", 6, TRUE, htype_sender }, { US"subject", 7, FALSE, htype_subject }, { US"to", 2, TRUE, htype_to } }; int header_names_size = nelem(header_names); uschar *helo_accept_junk_hosts = NULL; uschar *helo_allow_chars = US""; uschar *helo_lookup_domains = US"@ : @[]"; uschar *helo_try_verify_hosts = NULL; uschar *helo_verify_hosts = NULL; const uschar *hex_digits = CUS"0123456789abcdef"; uschar *hold_domains = NULL; uschar *host_data = NULL; uschar *host_lookup = NULL; uschar *host_lookup_order = US"bydns:byaddr"; uschar *host_lookup_msg = US""; int host_number = 0; uschar *host_number_string = NULL; uschar *host_reject_connection = NULL; tree_node *hostlist_anchor = NULL; int hostlist_count = 0; uschar *hosts_treat_as_local = NULL; uschar *hosts_require_helo = US"*"; uschar *hosts_connection_nolog = NULL; int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */ uschar *ignore_fromline_hosts = NULL; int inetd_wait_timeout = -1; uschar *initial_cwd = NULL; uschar *interface_address = NULL; int interface_port = -1; uschar *iterate_item = NULL; int journal_fd = -1; uschar *keep_environment = NULL; int keep_malformed = 4*24*60*60; /* 4 days */ uschar *eldap_dn = NULL; #ifdef EXPERIMENTAL_ESMTP_LIMITS uschar *limits_advertise_hosts = US"*"; #endif int load_average = -2; uschar *local_from_prefix = NULL; uschar *local_from_suffix = NULL; #if HAVE_IPV6 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0"; #else uschar *local_interfaces = US"0.0.0.0"; #endif #ifdef HAVE_LOCAL_SCAN uschar *local_scan_data = NULL; int local_scan_timeout = 5*60; #endif gid_t local_user_gid = (gid_t)(-1); uid_t local_user_uid = (uid_t)(-1); tree_node *localpartlist_anchor= NULL; int localpartlist_count = 0; uschar *log_buffer = NULL; int log_default[] = { /* for initializing log_selector */ Li_acl_warn_skipped, Li_connection_reject, Li_delay_delivery, Li_dkim, Li_dnslist_defer, Li_etrn, Li_host_lookup_failed, Li_lost_incoming_connection, Li_outgoing_interface, /* see d_log_interface in deliver.c */ Li_msg_id, Li_queue_run, Li_queue_time_exclusive, Li_rejected_header, Li_retry_defer, Li_sender_verify_fail, Li_size_reject, Li_skip_delivery, Li_smtp_confirmation, Li_tls_certificate_verified, Li_tls_cipher, -1 }; uschar *log_file_path = US LOG_FILE_PATH "\0<--------------Space to patch log_file_path->"; int log_notall[] = { -1 }; bit_table log_options[] = { /* must be in alphabetical order, with definitions from enum logbit. */ BIT_TABLE(L, 8bitmime), BIT_TABLE(L, acl_warn_skipped), BIT_TABLE(L, address_rewrite), BIT_TABLE(L, all), BIT_TABLE(L, all_parents), BIT_TABLE(L, arguments), BIT_TABLE(L, connection_reject), BIT_TABLE(L, delay_delivery), BIT_TABLE(L, deliver_time), BIT_TABLE(L, delivery_size), #ifndef DISABLE_DKIM BIT_TABLE(L, dkim), BIT_TABLE(L, dkim_verbose), #endif BIT_TABLE(L, dnslist_defer), BIT_TABLE(L, dnssec), BIT_TABLE(L, etrn), BIT_TABLE(L, host_lookup_failed), BIT_TABLE(L, ident_timeout), BIT_TABLE(L, incoming_interface), BIT_TABLE(L, incoming_port), BIT_TABLE(L, lost_incoming_connection), BIT_TABLE(L, millisec), BIT_TABLE(L, msg_id), BIT_TABLE(L, msg_id_created), BIT_TABLE(L, outgoing_interface), BIT_TABLE(L, outgoing_port), BIT_TABLE(L, pid), BIT_TABLE(L, pipelining), BIT_TABLE(L, protocol_detail), #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS) BIT_TABLE(L, proxy), #endif BIT_TABLE(L, queue_run), BIT_TABLE(L, queue_time), BIT_TABLE(L, queue_time_exclusive), BIT_TABLE(L, queue_time_overall), BIT_TABLE(L, receive_time), BIT_TABLE(L, received_recipients), BIT_TABLE(L, received_sender), BIT_TABLE(L, rejected_header), { US"rejected_headers", Li_rejected_header }, BIT_TABLE(L, retry_defer), BIT_TABLE(L, return_path_on_delivery), BIT_TABLE(L, sender_on_delivery), BIT_TABLE(L, sender_verify_fail), BIT_TABLE(L, size_reject), BIT_TABLE(L, skip_delivery), BIT_TABLE(L, smtp_confirmation), BIT_TABLE(L, smtp_connection), BIT_TABLE(L, smtp_incomplete_transaction), BIT_TABLE(L, smtp_mailauth), BIT_TABLE(L, smtp_no_mail), BIT_TABLE(L, smtp_protocol_error), BIT_TABLE(L, smtp_syntax_error), BIT_TABLE(L, subject), BIT_TABLE(L, tls_certificate_verified), BIT_TABLE(L, tls_cipher), BIT_TABLE(L, tls_peerdn), BIT_TABLE(L, tls_resumption), BIT_TABLE(L, tls_sni), BIT_TABLE(L, unknown_in_list), }; int log_options_count = nelem(log_options); int log_reject_target = 0; unsigned int log_selector[log_selector_size]; /* initialized in main() */ uschar *log_selector_string = NULL; FILE *log_stderr = NULL; uschar *login_sender_address = NULL; uschar *lookup_dnssec_authenticated = NULL; int lookup_open_max = 25; uschar *lookup_value = NULL; macro_item *macros_user = NULL; uschar *mailstore_basename = NULL; #ifdef WITH_CONTENT_SCAN uschar *malware_name = NULL; /* Virus Name */ #endif int max_received_linelength= 0; int max_username_length = 0; int message_age = 0; uschar *message_body = NULL; uschar *message_body_end = NULL; int message_body_size = 0; int message_body_visible = 500; int message_ended = END_NOTSTARTED; uschar *message_headers = NULL; uschar *message_id; uschar *message_id_domain = NULL; uschar *message_id_text = NULL; uschar message_id_option[MESSAGE_ID_LENGTH + 3]; uschar *message_id_external; int message_linecount = 0; int message_size = 0; uschar *message_size_limit = US"50M"; #ifdef SUPPORT_I18N int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */ #endif uschar message_subdir[2] = { 0, 0 }; uschar *message_reference = NULL; /* MIME ACL expandables */ #ifdef WITH_CONTENT_SCAN int mime_anomaly_level = 0; const uschar *mime_anomaly_text = NULL; uschar *mime_boundary = NULL; uschar *mime_charset = NULL; uschar *mime_content_description = NULL; uschar *mime_content_disposition = NULL; uschar *mime_content_id = NULL; unsigned int mime_content_size = 0; uschar *mime_content_transfer_encoding = NULL; uschar *mime_content_type = NULL; uschar *mime_decoded_filename = NULL; uschar *mime_filename = NULL; int mime_is_multipart = 0; int mime_is_coverletter = 0; int mime_is_rfc822 = 0; int mime_part_count = -1; #endif uid_t *never_users = NULL; uschar *notifier_socket = US"$spool_directory/" NOTIFIER_SOCKET_NAME ; const int on = 1; /* for setsockopt */ const int off = 0; uid_t original_euid; gid_t originator_gid; uschar *originator_login = NULL; uschar *originator_name = NULL; uid_t originator_uid; uschar *override_local_interfaces = NULL; uschar *override_pid_file_path = NULL; pcre2_general_context * pcre_gen_ctx = NULL; pcre2_compile_context * pcre_cmp_ctx = NULL; pcre2_match_context * pcre_mtc_ctx = NULL; uschar *percent_hack_domains = NULL; uschar *pid_file_path = US PID_FILE_PATH "\0<--------------Space to patch pid_file_path->"; #ifndef DISABLE_PIPE_CONNECT uschar *pipe_connect_advertise_hosts = US"*"; #endif uschar *pipelining_advertise_hosts = US"*"; uschar *primary_hostname = NULL; uschar *process_info; int process_info_len = 0; uschar *process_log_path = NULL; const uschar *process_purpose = US"fresh-exec"; #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS) uschar *hosts_proxy = NULL; uschar *proxy_external_address = NULL; int proxy_external_port = 0; uschar *proxy_local_address = NULL; int proxy_local_port = 0; int proxy_protocol_timeout = 3; #endif uschar *prvscheck_address = NULL; uschar *prvscheck_keynum = NULL; uschar *prvscheck_result = NULL; const uschar *qualify_domain_recipient = NULL; uschar *qualify_domain_sender = NULL; uschar *queue_domains = NULL; int queue_interval = -1; uschar *queue_name = US""; uschar *queue_name_dest = NULL; uschar *queue_only_file = NULL; int queue_only_load = -1; uschar *queue_run_max = US"5"; pid_t queue_run_pid = (pid_t)0; int queue_run_pipe = -1; unsigned queue_size = 0; time_t queue_size_next = 0; uschar *queue_smtp_domains = NULL; uint32_t random_seed = 0; tree_node *ratelimiters_cmd = NULL; tree_node *ratelimiters_conn = NULL; tree_node *ratelimiters_mail = NULL; uschar *raw_active_hostname = NULL; uschar *raw_sender = NULL; uschar **raw_recipients = NULL; int raw_recipients_count = 0; int rcpt_count = 0; int rcpt_fail_count = 0; int rcpt_defer_count = 0; gid_t real_gid; uid_t real_uid; int receive_linecount = 0; int receive_messagecount = 0; int receive_timeout = 0; int received_count = 0; uschar *received_for = NULL; /* This is the default text for Received headers generated by Exim. The date will be automatically added on the end. */ uschar *received_header_text = US "Received: " "${if def:sender_rcvhost {from $sender_rcvhost\n\t}" "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}" "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}" "by $primary_hostname " "${if def:received_protocol {with $received_protocol }}" #ifndef DISABLE_TLS "${if def:tls_in_ver { ($tls_in_ver)}}" "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}" #endif "(Exim $version_number)\n\t" "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}" "id $message_exim_id" "${if def:received_for {\n\tfor $received_for}}" "\0<---------------Space to patch received_header_text->"; int received_headers_max = 30; uschar *received_protocol = NULL; struct timeval received_time = { 0, 0 }; struct timeval received_time_complete = { 0, 0 }; uschar *recipient_data = NULL; uschar *recipient_unqualified_hosts = NULL; uschar *recipient_verify_failure = NULL; int recipients_count = 0; recipient_item *recipients_list = NULL; int recipients_list_max = 0; int recipients_max = 50000; const pcre2_code *regex_AUTH = NULL; const pcre2_code *regex_check_dns_names = NULL; const pcre2_code *regex_From = NULL; const pcre2_code *regex_IGNOREQUOTA = NULL; const pcre2_code *regex_PIPELINING = NULL; const pcre2_code *regex_SIZE = NULL; #ifndef DISABLE_PIPE_CONNECT const pcre2_code *regex_EARLY_PIPE = NULL; #endif const pcre2_code *regex_ismsgid = NULL; const pcre2_code *regex_smtp_code = NULL; const uschar *regex_vars[REGEX_VARS]; #ifdef WHITELIST_D_MACROS const pcre2_code *regex_whitelisted_macro = NULL; #endif #ifdef WITH_CONTENT_SCAN uschar *regex_match_string = NULL; #endif int remote_delivery_count = 0; int remote_max_parallel = 2; uschar *remote_sort_domains = NULL; int retry_data_expire = 7*24*60*60; int retry_interval_max = 24*60*60; int retry_maximum_timeout = 0; /* set from retry config */ retry_config *retries = NULL; uschar *return_path = NULL; int rewrite_existflags = 0; uschar *rfc1413_hosts = US"@[]"; int rfc1413_query_timeout = 0; uid_t root_gid = ROOT_GID; uid_t root_uid = ROOT_UID; router_instance *routers = NULL; router_instance router_defaults = { .next = NULL, .name = NULL, .info = NULL, .options_block = NULL, .driver_name = NULL, .address_data = NULL, #ifdef EXPERIMENTAL_BRIGHTMAIL .bmi_rule = NULL, #endif .cannot_route_message = NULL, .condition = NULL, .current_directory = NULL, .debug_string = NULL, .domains = NULL, .errors_to = NULL, .expand_gid = NULL, .expand_uid = NULL, .expand_more = NULL, .expand_unseen = NULL, .extra_headers = NULL, .fallback_hosts = NULL, .home_directory = NULL, .ignore_target_hosts = NULL, .local_parts = NULL, .pass_router_name = NULL, .prefix = NULL, .redirect_router_name = NULL, .remove_headers = NULL, .require_files = NULL, .router_home_directory = NULL, .self = US"freeze", .senders = NULL, .suffix = NULL, .translate_ip_address = NULL, .transport_name = NULL, .address_test = TRUE, #ifdef EXPERIMENTAL_BRIGHTMAIL .bmi_deliver_alternate = FALSE, .bmi_deliver_default = FALSE, .bmi_dont_deliver = FALSE, #endif .expn = TRUE, .caseful_local_part = FALSE, .check_local_user = FALSE, .disable_logging = FALSE, .fail_verify_recipient = FALSE, .fail_verify_sender = FALSE, .gid_set = FALSE, .initgroups = FALSE, .log_as_local = TRUE_UNSET, .more = TRUE, .pass_on_timeout = FALSE, .prefix_optional = FALSE, .repeat_use = TRUE, .retry_use_local_part = TRUE_UNSET, .same_domain_copy_routing = FALSE, .self_rewrite = FALSE, .set = NULL, .suffix_optional = FALSE, .verify_only = FALSE, .verify_recipient = TRUE, .verify_sender = TRUE, .uid_set = FALSE, .unseen = FALSE, .dsn_lasthop = FALSE, .self_code = self_freeze, .uid = (uid_t)(-1), .gid = (gid_t)(-1), .fallback_hostlist = NULL, .transport = NULL, .pass_router = NULL, .redirect_router = NULL, .dnssec = { .request= US"*", .require=NULL }, }; uschar *router_name = NULL; tree_node *router_var = NULL; ip_address_item *running_interfaces = NULL; /* This is a weird one. The following string gets patched in the binary by the script that sets up a copy of Exim for running in the test harness. It seems that compilers are now clever, and share constant strings if they can. Elsewhere in Exim the string "<" is used. The compiler optimization seems to make use of the end of this string in order to save space. So the patching then wrecks this. We defeat this optimization by adding some additional characters onto the end of the string. */ uschar *running_status = US">>>running<<<" "\0EXTRA"; int runrc = 0; uschar *search_error_message = NULL; uschar *self_hostname = NULL; uschar *sender_address = NULL; unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; uschar *sender_address_data = NULL; uschar *sender_address_unrewritten = NULL; uschar *sender_data = NULL; unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; uschar *sender_fullhost = NULL; uschar *sender_helo_name = NULL; uschar **sender_host_aliases = &no_aliases; uschar *sender_host_address = NULL; uschar *sender_host_authenticated = NULL; uschar *sender_host_auth_pubname = NULL; unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; uschar *sender_host_name = NULL; int sender_host_port = 0; uschar *sender_ident = NULL; uschar *sender_rate = NULL; uschar *sender_rate_limit = NULL; uschar *sender_rate_period = NULL; uschar *sender_rcvhost = NULL; uschar *sender_unqualified_hosts = NULL; uschar *sender_verify_failure = NULL; address_item *sender_verified_list = NULL; address_item *sender_verified_failed = NULL; int sender_verified_rc = -1; uschar *sending_ip_address = NULL; int sending_port = -1; SIGNAL_BOOL sigalrm_seen = FALSE; const uschar *sigalarm_setter = NULL; uschar **sighup_argv = NULL; int slow_lookup_log = 0; /* millisecs, zero disables */ int smtp_accept_count = 0; int smtp_accept_max = 20; int smtp_accept_max_nonmail= 10; uschar *smtp_accept_max_nonmail_hosts = US"*"; uschar *smtp_accept_max_per_connection = US"1000"; uschar *smtp_accept_max_per_host = NULL; int smtp_accept_queue = 0; int smtp_accept_queue_per_connection = 10; int smtp_accept_reserve = 0; uschar *smtp_active_hostname = NULL; int smtp_backlog_monitor = 0; uschar *smtp_banner = US"$smtp_active_hostname ESMTP " "Exim $version_number $tod_full" "\0<---------------Space to patch smtp_banner->"; int smtp_ch_index = 0; uschar *smtp_cmd_argument = NULL; uschar *smtp_cmd_buffer = NULL; struct timeval smtp_connection_start = {0,0}; uschar smtp_connection_had[SMTP_HBUFF_SIZE]; int smtp_connect_backlog = 20; double smtp_delay_mail = 0.0; double smtp_delay_rcpt = 0.0; FILE *smtp_in = NULL; int smtp_listen_backlog = 0; int smtp_load_reserve = -1; int smtp_mailcmd_count = 0; int smtp_mailcmd_max = -1; FILE *smtp_out = NULL; uschar *smtp_etrn_command = NULL; int smtp_max_synprot_errors= 3; int smtp_max_unknown_commands = 3; uschar *smtp_notquit_reason = NULL; unsigned smtp_peer_options = 0; unsigned smtp_peer_options_wrap= 0; uschar *smtp_ratelimit_hosts = NULL; uschar *smtp_ratelimit_mail = NULL; uschar *smtp_ratelimit_rcpt = NULL; uschar *smtp_read_error = US""; int smtp_receive_timeout = 5*60; uschar *smtp_receive_timeout_s = NULL; uschar *smtp_reserve_hosts = NULL; int smtp_rlm_base = 0; double smtp_rlm_factor = 0.0; int smtp_rlm_limit = 0; int smtp_rlm_threshold = INT_MAX; int smtp_rlr_base = 0; double smtp_rlr_factor = 0.0; int smtp_rlr_limit = 0; int smtp_rlr_threshold = INT_MAX; #ifdef SUPPORT_I18N uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */ #endif #ifdef WITH_CONTENT_SCAN uschar *spamd_address = US"127.0.0.1 783"; uschar *spam_bar = NULL; uschar *spam_report = NULL; uschar *spam_action = NULL; uschar *spam_score = NULL; uschar *spam_score_int = NULL; #endif #ifdef SUPPORT_SPF uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all"; uschar *spf_header_comment = NULL; uschar *spf_received = NULL; uschar *spf_result = NULL; uschar *spf_smtp_comment = NULL; uschar *spf_smtp_comment_template /* Used to be: "Please%_see%_http://www.open-spf.org/Why?id=%{S}&ip=%{C}&receiver=%{R}" */ = US"Please%_see%_http://www.open-spf.org/Why"; #endif FILE *spool_data_file = NULL; uschar *spool_directory = US SPOOL_DIRECTORY "\0<--------------Space to patch spool_directory->"; #ifdef SUPPORT_SRS uschar *srs_recipient = NULL; #endif int string_datestamp_offset= -1; int string_datestamp_length= 0; int string_datestamp_type = -1; const uschar *submission_domain = NULL; const uschar *submission_name = NULL; int syslog_facility = LOG_MAIL; uschar *syslog_processname = US"exim"; uschar *system_filter = NULL; uschar *system_filter_directory_transport = NULL; uschar *system_filter_file_transport = NULL; uschar *system_filter_pipe_transport = NULL; uschar *system_filter_reply_transport = NULL; gid_t system_filter_gid = 0; uid_t system_filter_uid = (uid_t)-1; blob tcp_fastopen_nodata = { .data = NULL, .len = 0 }; tfo_state_t tcp_out_fastopen = TFO_NOT_USED; #ifdef USE_TCP_WRAPPERS uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME; #endif int test_harness_load_avg = 0; int thismessage_size_limit = 0; int timeout_frozen_after = 0; #ifdef MEASURE_TIMING struct timeval timestamp_startup; #endif transport_instance *transports = NULL; transport_instance transport_defaults = { /* All non-mentioned elements zero/NULL/FALSE */ .batch_max = 1, .multi_domain = TRUE, .max_addresses = 100, .connection_max_messages = 500, .uid = (uid_t)(-1), .gid = (gid_t)(-1), .filter_timeout = 300, .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither 1 nor 0 so can detect unset */ }; int transport_count; uschar *transport_name = NULL; int transport_newlines; const uschar **transport_filter_argv = NULL; int transport_filter_timeout; int transport_write_timeout= 0; tree_node *tree_dns_fails = NULL; tree_node *tree_duplicates = NULL; tree_node *tree_nonrecipients = NULL; tree_node *tree_unusable = NULL; gid_t *trusted_groups = NULL; uid_t *trusted_users = NULL; uschar *timezone_string = US TIMEZONE_DEFAULT; uschar *unknown_login = NULL; uschar *unknown_username = NULL; uschar *untrusted_set_sender = NULL; /* A regex for matching a "From_" line in an incoming message, in the form From ph10 Fri Jan 5 12:35 GMT 1996 which the "mail" commands send to the MTA (undocumented, of course), or in the form From ph10 Fri, 7 Jan 97 14:00:00 GMT which is apparently used by some UUCPs, despite it not being in RFC 976. Because of variations in time formats, just match up to the minutes. That should be sufficient. Examples have been seen of time fields like 12:1:03, so just require one digit for hours and minutes. The weekday is also absent in some forms. */ uschar *uucp_from_pattern = US "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */ "(?:" /* Non-extracting bracket */ "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */ "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */ ")" /* End alternation */ "\\s+\\d\\d?:\\d\\d?"; /* Start of time */ uschar *uucp_from_sender = US"$1"; uschar *verify_mode = NULL; uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2018\n" "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2022"; uschar *version_date = US"?"; uschar *version_cnumber = US"????"; uschar *version_string = US"?"; uschar *warn_message_file = NULL; int warning_count = 0; uschar *warnmsg_delay = NULL; uschar *warnmsg_recipients = NULL; /* End of globals.c */