/************************************************* * Exim - an Internet mail transport agent * *************************************************/ /* Copyright (c) University of Cambridge 1995 - 2009 */ /* 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, (void *)(offsetof(auth_instance, client_condition)) }, { "driver", opt_stringptr | opt_public, (void *)(offsetof(auth_instance, driver_name)) }, { "public_name", opt_stringptr | opt_public, (void *)(offsetof(auth_instance, public_name)) }, { "server_advertise_condition", opt_stringptr | opt_public, (void *)(offsetof(auth_instance, advertise_condition))}, { "server_condition", opt_stringptr | opt_public, (void *)(offsetof(auth_instance, server_condition)) }, { "server_debug_print", opt_stringptr | opt_public, (void *)(offsetof(auth_instance, server_debug_string)) }, { "server_mail_auth_condition", opt_stringptr | opt_public, (void *)(offsetof(auth_instance, mail_auth_condition)) }, { "server_set_id", opt_stringptr | opt_public, (void *)(offsetof(auth_instance, set_id)) } }; int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist); /* 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; #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_SQLITE 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. */ BOOL tls_active = -1; int tls_bits = 0; BOOL tls_certificate_verified = FALSE; uschar *tls_cipher = NULL; BOOL tls_on_connect = FALSE; uschar *tls_on_connect_ports = NULL; uschar *tls_peerdn = NULL; #ifdef SUPPORT_TLS BOOL gnutls_compat_mode = FALSE; uschar *gnutls_require_mac = NULL; uschar *gnutls_require_kx = NULL; uschar *gnutls_require_proto = NULL; uschar *openssl_options = NULL; const pcre *regex_STARTTLS = NULL; uschar *tls_advertise_hosts = NULL; /* This is deliberate */ uschar *tls_certificate = NULL; uschar *tls_crl = NULL; uschar *tls_dhparam = NULL; BOOL tls_offered = FALSE; uschar *tls_privatekey = NULL; BOOL tls_remember_esmtp = FALSE; uschar *tls_require_ciphers = NULL; #ifndef USE_GNUTLS uschar *tls_sni = NULL; #endif uschar *tls_try_verify_hosts = NULL; uschar *tls_verify_certificates= NULL; uschar *tls_verify_hosts = 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. */ #ifndef STAND_ALONE int (*receive_getc)(void) = stdin_getc; int (*receive_ungetc)(int) = stdin_ungetc; int (*receive_feof)(void) = stdin_feof; int (*receive_ferror)(void) = stdin_ferror; BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */ #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. */ uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = { &deliver_address_data, &deliver_domain, &deliver_domain_data, &deliver_domain_orig, &deliver_domain_parent, &deliver_localpart, &deliver_localpart_data, &deliver_localpart_orig, &deliver_localpart_parent, &deliver_localpart_prefix, &deliver_localpart_suffix, (uschar **)(&deliver_recipients), &deliver_host, &deliver_home, &address_file, &address_pipe, &self_hostname, NULL }; int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **); /* General global variables */ header_line *acl_added_headers = NULL; tree_node *acl_anchor = NULL; uschar *acl_not_smtp = NULL; #ifdef WITH_CONTENT_SCAN uschar *acl_not_smtp_mime = NULL; #endif uschar *acl_not_smtp_start = NULL; uschar *acl_smtp_auth = NULL; uschar *acl_smtp_connect = NULL; uschar *acl_smtp_data = NULL; #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; BOOL acl_temp_details = FALSE; 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", 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" }; uschar *acl_wherecodes[] = { US"550", /* RCPT */ US"550", /* MAIL */ US"550", /* PREDATA */ US"550", /* MIME */ US"550", /* DKIM */ US"550", /* DATA */ 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 */ }; BOOL active_local_from_check = FALSE; BOOL active_local_sender_retain = FALSE; BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */ address_item *addr_duplicate = NULL; address_item address_defaults = { NULL, /* 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, /* suffix */ 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 */ #ifdef SUPPORT_TLS NULL, /* cipher */ NULL, /* peerdn */ #endif (uid_t)(-1), /* uid */ (gid_t)(-1), /* gid */ 0, /* flags */ { 0 }, /* domain_cache - any larger array should be zeroed */ { 0 }, /* localpart_cache - ditto */ -1, /* mode */ 0, /* more_errno */ ERRNO_UNKNOWNERROR, /* basic_errno */ 0, /* child_count */ -1, /* return_file */ SPECIAL_NONE, /* special_action */ DEFER, /* transport_return */ { /* fields that are propagated to children */ NULL, /* address_data */ NULL, /* domain_data */ NULL, /* localpart_data */ NULL, /* errors_address */ NULL, /* extra_headers */ NULL, /* remove_headers */ #ifdef EXPERIMENTAL_SRS NULL, /* srs_sender */ #endif } }; uschar *address_file = NULL; uschar *address_pipe = NULL; BOOL address_test_mode = FALSE; tree_node *addresslist_anchor = NULL; int addresslist_count = 0; gid_t *admin_groups = NULL; BOOL admin_user = FALSE; BOOL allow_auth_unadvertised= FALSE; BOOL allow_domain_literals = FALSE; BOOL allow_mx_to_ip = FALSE; BOOL allow_unqualified_recipient = TRUE; /* For local messages */ BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */ BOOL allow_utf8_domains = FALSE; uschar *authenticated_id = NULL; uschar *authenticated_sender = NULL; BOOL authentication_failed = FALSE; auth_instance *auths = NULL; uschar *auth_advertise_hosts = US"*"; auth_instance auth_defaults = { NULL, /* chain pointer */ NULL, /* name */ NULL, /* info */ NULL, /* private options block pointer */ NULL, /* driver_name */ NULL, /* advertise_condition */ NULL, /* client_condition */ NULL, /* public_name */ NULL, /* set_id */ NULL, /* server_mail_auth_condition */ NULL, /* server_debug_string */ NULL, /* server_condition */ FALSE, /* client */ FALSE, /* server */ FALSE /* advertised */ }; uschar *auth_defer_msg = US"reason not recorded"; uschar *auth_defer_user_msg = US""; uschar *auth_vars[AUTH_VARS]; int auto_thaw = 0; #ifdef WITH_CONTENT_SCAN BOOL av_failed = FALSE; uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */ #endif BOOL background_daemon = TRUE; #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 body_linecount = 0; int body_zerocount = 0; uschar *bounce_message_file = NULL; uschar *bounce_message_text = NULL; uschar *bounce_recipient = NULL; BOOL bounce_return_body = TRUE; BOOL bounce_return_message = TRUE; int bounce_return_size_limit = 100*1024; uschar *bounce_sender_authentication = NULL; int bsmtp_transaction_linecount = 0; 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 = 0; int check_log_space = 0; BOOL check_rfc2047_length = TRUE; int check_spool_inodes = 0; int check_spool_space = 0; int clmacro_count = 0; uschar *clmacros[MAX_CLMACROS]; BOOL config_changed = FALSE; FILE *config_file = NULL; uschar *config_filename = NULL; int config_lineno = 0; #ifdef CONFIGURE_GROUP gid_t config_gid = CONFIGURE_GROUP; #endif uschar *config_main_filelist = US CONFIGURE_FILE "\0<-----------Space to patch configure_filename->"; uschar *config_main_filename = NULL; #ifdef CONFIGURE_OWNER uid_t config_uid = CONFIGURE_OWNER; #endif int connection_max_messages= -1; uschar *continue_hostname = NULL; uschar *continue_host_address = NULL; BOOL continue_more = FALSE; int continue_sequence = 1; uschar *continue_transport = NULL; uschar *csa_status = NULL; BOOL daemon_listen = FALSE; uschar *daemon_smtp_port = US"smtp"; int daemon_startup_retries = 9; int daemon_startup_sleep = 30; #ifdef EXPERIMENTAL_DCC BOOL dcc_direct_add_header = FALSE; uschar *dcc_header = NULL; uschar *dcc_result = NULL; uschar *dccifd_address = US"/usr/local/dcc/var/dccifd"; uschar *dccifd_options = US"header"; #endif BOOL debug_daemon = FALSE; int debug_fd = -1; FILE *debug_file = NULL; bit_table debug_options[] = { { US"acl", D_acl }, { US"all", D_all }, { US"auth", D_auth }, { US"deliver", D_deliver }, { US"dns", D_dns }, { US"dnsbl", D_dnsbl }, { US"exec", D_exec }, { US"expand", D_expand }, { US"filter", D_filter }, { US"hints_lookup", D_hints_lookup }, { US"host_lookup", D_host_lookup }, { US"ident", D_ident }, { US"interface", D_interface }, { US"lists", D_lists }, { US"load", D_load }, { US"local_scan", D_local_scan }, { US"lookup", D_lookup }, { US"memory", D_memory }, { US"pid", D_pid }, { US"process_info", D_process_info }, { US"queue_run", D_queue_run }, { US"receive", D_receive }, { US"resolver", D_resolver }, { US"retry", D_retry }, { US"rewrite", D_rewrite }, { US"route", D_route }, { US"timestamp", D_timestamp }, { US"tls", D_tls }, { US"transport", D_transport }, { US"uid", D_uid }, { US"verify", D_verify } }; int debug_options_count = sizeof(debug_options)/sizeof(bit_table); 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{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }" "} {no}{yes}}"; BOOL delivery_date_remove = TRUE; uschar *deliver_address_data = NULL; int deliver_datafile = -1; uschar *deliver_domain = NULL; uschar *deliver_domain_data = NULL; uschar *deliver_domain_orig = NULL; uschar *deliver_domain_parent = NULL; BOOL deliver_drop_privilege = FALSE; BOOL deliver_firsttime = FALSE; BOOL deliver_force = FALSE; BOOL deliver_freeze = FALSE; int deliver_frozen_at = 0; uschar *deliver_home = NULL; uschar *deliver_host = NULL; uschar *deliver_host_address = NULL; uschar *deliver_in_buffer = NULL; ino_t deliver_inode = 0; uschar *deliver_localpart = NULL; uschar *deliver_localpart_data = NULL; uschar *deliver_localpart_orig = NULL; uschar *deliver_localpart_parent = NULL; uschar *deliver_localpart_prefix = NULL; uschar *deliver_localpart_suffix = NULL; BOOL deliver_force_thaw = FALSE; BOOL deliver_manual_thaw = FALSE; uschar *deliver_out_buffer = NULL; int deliver_queue_load_max = -1; address_item *deliver_recipients = NULL; uschar *deliver_selectstring = NULL; BOOL deliver_selectstring_regex = FALSE; uschar *deliver_selectstring_sender = NULL; BOOL deliver_selectstring_sender_regex = FALSE; #ifdef WITH_OLD_DEMIME int demime_errorlevel = 0; int demime_ok = 0; uschar *demime_reason = NULL; #endif BOOL disable_callout_flush = FALSE; BOOL disable_delay_flush = FALSE; #ifdef ENABLE_DISABLE_FSYNC BOOL disable_fsync = FALSE; #endif BOOL disable_ipv6 = FALSE; BOOL disable_logging = FALSE; #ifndef DISABLE_DKIM uschar *dkim_cur_signer = NULL; uschar *dkim_signers = NULL; uschar *dkim_signing_domain = NULL; uschar *dkim_signing_selector = NULL; uschar *dkim_verify_signers = US"$dkim_signers"; BOOL dkim_collect_input = FALSE; BOOL dkim_disable_verify = FALSE; #endif uschar *dns_again_means_nonexist = NULL; int dns_csa_search_limit = 5; BOOL dns_csa_use_reverse = TRUE; uschar *dns_ipv4_lookup = NULL; int dns_retrans = 0; int dns_retry = 0; 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; BOOL dont_deliver = FALSE; BOOL dot_ends = TRUE; BOOL drop_cr = FALSE; /* No longer used */ uschar *dsn_from = US DEFAULT_DSN_FROM; BOOL enable_dollar_recipients = FALSE; BOOL envelope_to_remove = TRUE; 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; gid_t exim_gid = EXIM_GID; BOOL exim_gid_set = TRUE; /* This gid is always set */ uschar *exim_path = US BIN_DIRECTORY "/exim" "\0<---------------Space to patch exim_path->"; uid_t exim_uid = EXIM_UID; BOOL exim_uid_set = TRUE; /* This uid is always set */ int expand_forbid = 0; int expand_nlength[EXPAND_MAXN+1]; int expand_nmax = -1; uschar *expand_nstring[EXPAND_MAXN+1]; BOOL expand_string_forcedfail = FALSE; uschar *expand_string_message; BOOL extract_addresses_remove_arguments = TRUE; 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]; BOOL filter_running = FALSE; 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; #ifdef WITH_OLD_DEMIME uschar *found_extension = NULL; #endif 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; 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[] = { { 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 = sizeof(header_names)/sizeof(header_name); BOOL header_rewritten = FALSE; uschar *helo_accept_junk_hosts = NULL; uschar *helo_allow_chars = US""; uschar *helo_lookup_domains = US"@ : @[]"; uschar *helo_try_verify_hosts = NULL; BOOL helo_verified = FALSE; BOOL helo_verify_failed = FALSE; uschar *helo_verify_hosts = NULL; const uschar *hex_digits = CUS"0123456789abcdef"; uschar *hold_domains = NULL; BOOL host_checking = FALSE; BOOL host_checking_callout = FALSE; uschar *host_data = NULL; BOOL host_find_failed_syntax= FALSE; uschar *host_lookup = NULL; BOOL host_lookup_deferred = FALSE; BOOL host_lookup_failed = FALSE; 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_connection_nolog = NULL; int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */ BOOL ignore_fromline_local = FALSE; uschar *ignore_fromline_hosts = NULL; uschar *interface_address = NULL; int interface_port = -1; BOOL is_inetd = FALSE; uschar *iterate_item = NULL; int journal_fd = -1; int keep_malformed = 4*24*60*60; /* 4 days */ uschar *eldap_dn = NULL; int load_average = -2; BOOL local_error_message = FALSE; BOOL local_from_check = TRUE; 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 uschar *local_scan_data = NULL; int local_scan_timeout = 5*60; BOOL local_sender_retain = FALSE; 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; unsigned int log_extra_selector = LX_default; uschar *log_file_path = US LOG_FILE_PATH "\0<--------------Space to patch log_file_path->"; /* Those log options with L_xxx identifiers have values less than 0x800000 and are the ones that get put into log_write_selector. They can be used in calls to log_write() to test for the bit. The options with LX_xxx identifiers have values greater than 0x80000000 and are put into log_extra_selector (without the top bit). They are never used in calls to log_write(), but are tested independently. This separation became necessary when the number of log selectors was getting close to filling a 32-bit word. */ /* Note that this list must be in alphabetical order. */ bit_table log_options[] = { { US"acl_warn_skipped", LX_acl_warn_skipped }, { US"address_rewrite", L_address_rewrite }, { US"all", L_all }, { US"all_parents", L_all_parents }, { US"arguments", LX_arguments }, { US"connection_reject", L_connection_reject }, { US"delay_delivery", L_delay_delivery }, { US"deliver_time", LX_deliver_time }, { US"delivery_size", LX_delivery_size }, { US"dnslist_defer", L_dnslist_defer }, { US"etrn", L_etrn }, { US"host_lookup_failed", L_host_lookup_failed }, { US"ident_timeout", LX_ident_timeout }, { US"incoming_interface", LX_incoming_interface }, { US"incoming_port", LX_incoming_port }, { US"lost_incoming_connection", L_lost_incoming_connection }, { US"outgoing_port", LX_outgoing_port }, { US"pid", LX_pid }, { US"queue_run", L_queue_run }, { US"queue_time", LX_queue_time }, { US"queue_time_overall", LX_queue_time_overall }, { US"received_recipients", LX_received_recipients }, { US"received_sender", LX_received_sender }, { US"rejected_header", LX_rejected_header }, { US"rejected_headers", LX_rejected_header }, { US"retry_defer", L_retry_defer }, { US"return_path_on_delivery", LX_return_path_on_delivery }, { US"sender_on_delivery", LX_sender_on_delivery }, { US"sender_verify_fail", LX_sender_verify_fail }, { US"size_reject", L_size_reject }, { US"skip_delivery", L_skip_delivery }, { US"smtp_confirmation", LX_smtp_confirmation }, { US"smtp_connection", L_smtp_connection }, { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction }, { US"smtp_no_mail", LX_smtp_no_mail }, { US"smtp_protocol_error", L_smtp_protocol_error }, { US"smtp_syntax_error", L_smtp_syntax_error }, { US"subject", LX_subject }, { US"tls_certificate_verified", LX_tls_certificate_verified }, { US"tls_cipher", LX_tls_cipher }, { US"tls_peerdn", LX_tls_peerdn }, { US"tls_sni", LX_tls_sni }, { US"unknown_in_list", LX_unknown_in_list } }; int log_options_count = sizeof(log_options)/sizeof(bit_table); int log_reject_target = 0; uschar *log_selector_string = NULL; FILE *log_stderr = NULL; BOOL log_testing_mode = FALSE; BOOL log_timezone = FALSE; unsigned int log_write_selector= L_default; uschar *login_sender_address = NULL; int lookup_open_max = 25; uschar *lookup_value = NULL; macro_item *macros = 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; BOOL message_body_newlines = FALSE; 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; struct timeval message_id_tv = { 0, 0 }; uschar message_id_option[MESSAGE_ID_LENGTH + 3]; uschar *message_id_external; int message_linecount = 0; BOOL message_logs = TRUE; int message_size = 0; uschar *message_size_limit = US"50M"; 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 BOOL mua_wrapper = FALSE; uid_t *never_users = NULL; #ifdef WITH_CONTENT_SCAN BOOL no_mbox_unspool = FALSE; #endif BOOL no_multiline_responses = FALSE; 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; BOOL parse_allow_group = FALSE; BOOL parse_found_group = FALSE; uschar *percent_hack_domains = NULL; uschar *pid_file_path = US PID_FILE_PATH "\0<--------------Space to patch pid_file_path->"; BOOL pipelining_enable = TRUE; uschar *pipelining_advertise_hosts = US"*"; BOOL preserve_message_logs = FALSE; uschar *primary_hostname = NULL; BOOL print_topbitchars = FALSE; uschar process_info[PROCESS_INFO_SIZE]; int process_info_len = 0; uschar *process_log_path = NULL; BOOL prod_requires_admin = TRUE; uschar *prvscheck_address = NULL; uschar *prvscheck_keynum = NULL; uschar *prvscheck_result = NULL; uschar *qualify_domain_recipient = NULL; uschar *qualify_domain_sender = NULL; BOOL queue_2stage = FALSE; uschar *queue_domains = NULL; int queue_interval = -1; BOOL queue_list_requires_admin = TRUE; BOOL queue_only = FALSE; uschar *queue_only_file = NULL; int queue_only_load = -1; BOOL queue_only_load_latch = TRUE; BOOL queue_only_override = TRUE; BOOL queue_only_policy = FALSE; BOOL queue_run_first_delivery = FALSE; BOOL queue_run_force = FALSE; BOOL queue_run_in_order = FALSE; BOOL queue_run_local = FALSE; int queue_run_max = 5; pid_t queue_run_pid = (pid_t)0; int queue_run_pipe = -1; BOOL queue_running = FALSE; BOOL queue_smtp = FALSE; uschar *queue_smtp_domains = NULL; unsigned int 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; BOOL really_exim = TRUE; BOOL receive_call_bombout = FALSE; 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 $received_protocol}} " #ifdef SUPPORT_TLS "${if def:tls_cipher {($tls_cipher)\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; int received_time = 0; uschar *recipient_data = NULL; uschar *recipient_unqualified_hosts = NULL; uschar *recipient_verify_failure = NULL; int recipients_count = 0; BOOL recipients_discarded = FALSE; recipient_item *recipients_list = NULL; int recipients_list_max = 0; int recipients_max = 0; BOOL recipients_max_reject = FALSE; const pcre *regex_AUTH = NULL; const pcre *regex_check_dns_names = NULL; const pcre *regex_From = NULL; const pcre *regex_IGNOREQUOTA = NULL; const pcre *regex_PIPELINING = NULL; const pcre *regex_SIZE = NULL; const pcre *regex_smtp_code = NULL; const pcre *regex_ismsgid = NULL; #ifdef WHITELIST_D_MACROS const pcre *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; BOOL return_path_remove = TRUE; int rewrite_existflags = 0; uschar *rfc1413_hosts = US"*"; int rfc1413_query_timeout = 5; /* BOOL rfc821_domains = FALSE; <<< on the way out */ uid_t root_gid = ROOT_GID; uid_t root_uid = ROOT_UID; router_instance *routers = NULL; router_instance router_defaults = { NULL, /* chain pointer */ NULL, /* name */ NULL, /* info */ NULL, /* private options block pointer */ NULL, /* driver name */ NULL, /* address_data */ #ifdef EXPERIMENTAL_BRIGHTMAIL NULL, /* bmi_rule */ #endif NULL, /* 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 */ US"freeze", /* self */ NULL, /* senders */ NULL, /* suffix */ NULL, /* translate_ip_address */ NULL, /* transport_name */ TRUE, /* address_test */ #ifdef EXPERIMENTAL_BRIGHTMAIL FALSE, /* bmi_deliver_alternate */ FALSE, /* bmi_deliver_default */ FALSE, /* bmi_dont_deliver */ #endif TRUE, /* expn */ FALSE, /* caseful_local_part */ FALSE, /* check_local_user */ FALSE, /* disable_logging */ FALSE, /* fail_verify_recipient */ FALSE, /* fail_verify_sender */ FALSE, /* gid_set */ FALSE, /* initgroups */ TRUE_UNSET, /* log_as_local */ TRUE, /* more */ FALSE, /* pass_on_timeout */ FALSE, /* prefix_optional */ TRUE, /* repeat_use */ TRUE_UNSET, /* retry_use_local_part - fudge "unset" */ FALSE, /* same_domain_copy_routing */ FALSE, /* self_rewrite */ FALSE, /* suffix_optional */ FALSE, /* verify_only */ TRUE, /* verify_recipient */ TRUE, /* verify_sender */ FALSE, /* uid_set */ FALSE, /* unseen */ self_freeze, /* self_code */ (uid_t)(-1), /* uid */ (gid_t)(-1), /* gid */ NULL, /* fallback_hostlist */ NULL, /* transport instance */ NULL, /* pass_router */ NULL /* redirect_router */ }; ip_address_item *running_interfaces = NULL; BOOL running_in_test_harness = FALSE; /* 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; BOOL search_find_defer = FALSE; uschar *self_hostname = NULL; uschar *sender_address = NULL; unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; uschar *sender_address_data = NULL; BOOL sender_address_forced = FALSE; 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; unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; uschar *sender_host_name = NULL; int sender_host_port = 0; BOOL sender_host_notsocket = FALSE; BOOL sender_host_unknown = FALSE; uschar *sender_ident = NULL; BOOL sender_local = FALSE; BOOL sender_name_forced = FALSE; uschar *sender_rate = NULL; uschar *sender_rate_limit = NULL; uschar *sender_rate_period = NULL; uschar *sender_rcvhost = NULL; BOOL sender_set_untrusted = FALSE; 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; BOOL sender_verified_responded = FALSE; uschar *sending_ip_address = NULL; int sending_port = -1; SIGNAL_BOOL sigalrm_seen = FALSE; uschar **sighup_argv = NULL; int smtp_accept_count = 0; BOOL smtp_accept_keepalive = TRUE; int smtp_accept_max = 20; int smtp_accept_max_nonmail= 10; uschar *smtp_accept_max_nonmail_hosts = US"*"; int smtp_accept_max_per_connection = 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; BOOL smtp_authenticated = FALSE; uschar *smtp_banner = US"$smtp_active_hostname ESMTP " "Exim $version_number $tod_full" "\0<---------------Space to patch smtp_banner->"; BOOL smtp_batched_input = FALSE; BOOL smtp_check_spool_space = TRUE; int smtp_ch_index = 0; uschar *smtp_cmd_argument = NULL; uschar *smtp_cmd_buffer = NULL; time_t smtp_connection_start = 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; BOOL smtp_enforce_sync = TRUE; FILE *smtp_in = NULL; BOOL smtp_input = FALSE; int smtp_load_reserve = -1; int smtp_mailcmd_count = 0; FILE *smtp_out = NULL; uschar *smtp_etrn_command = NULL; BOOL smtp_etrn_serialize = TRUE; int smtp_max_synprot_errors= 3; int smtp_max_unknown_commands = 3; uschar *smtp_notquit_reason = NULL; 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_reserve_hosts = NULL; BOOL smtp_return_error_details = FALSE; 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; BOOL smtp_use_pipelining = FALSE; BOOL smtp_use_size = FALSE; #ifdef WITH_CONTENT_SCAN uschar *spamd_address = US"127.0.0.1 783"; uschar *spam_bar = NULL; uschar *spam_report = NULL; uschar *spam_score = NULL; uschar *spam_score_int = NULL; #endif #ifdef EXPERIMENTAL_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; #endif BOOL split_spool_directory = FALSE; uschar *spool_directory = US SPOOL_DIRECTORY "\0<--------------Space to patch spool_directory->"; #ifdef EXPERIMENTAL_SRS uschar *srs_config = NULL; uschar *srs_db_address = NULL; uschar *srs_db_key = NULL; int srs_hashlength = 6; int srs_hashmin = -1; int srs_maxage = 31; uschar *srs_orig_recipient = NULL; uschar *srs_orig_sender = NULL; uschar *srs_recipient = NULL; uschar *srs_secrets = NULL; uschar *srs_status = NULL; BOOL srs_usehash = TRUE; BOOL srs_usetimestamp = TRUE; #endif BOOL strict_acl_vars = FALSE; int string_datestamp_offset= -1; int string_datestamp_length= 0; int string_datestamp_type = -1; BOOL strip_excess_angle_brackets = FALSE; BOOL strip_trailing_dot = FALSE; uschar *submission_domain = NULL; BOOL submission_mode = FALSE; uschar *submission_name = NULL; BOOL suppress_local_fixups = FALSE; BOOL synchronous_delivery = FALSE; BOOL syslog_duplication = TRUE; int syslog_facility = LOG_MAIL; uschar *syslog_processname = US"exim"; BOOL syslog_timestamp = TRUE; 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; BOOL system_filter_gid_set = FALSE; uid_t system_filter_uid = (uid_t)-1; BOOL system_filter_uid_set = FALSE; BOOL system_filtering = FALSE; BOOL tcp_nodelay = TRUE; #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; BOOL timestamps_utc = FALSE; transport_instance *transports = NULL; transport_instance transport_defaults = { NULL, /* chain pointer */ NULL, /* name */ NULL, /* info */ NULL, /* private options block pointer */ NULL, /* driver name */ NULL, /* setup entry point */ 1, /* batch_max */ NULL, /* batch_id */ NULL, /* home_dir */ NULL, /* current_dir */ TRUE, /* multi-domain */ FALSE, /* overrides_hosts */ 100, /* max_addresses */ 500, /* connection_max_messages */ FALSE, /* deliver_as_creator */ FALSE, /* disable_logging */ FALSE, /* initgroups */ FALSE, /* uid_set */ FALSE, /* gid_set */ (uid_t)(-1), /* uid */ (gid_t)(-1), /* gid */ NULL, /* expand_uid */ NULL, /* expand_gid */ NULL, /* warn_message */ NULL, /* shadow */ NULL, /* shadow_condition */ NULL, /* filter_command */ NULL, /* add_headers */ NULL, /* remove_headers */ NULL, /* return_path */ NULL, /* debug_string */ NULL, /* message_size_limit */ NULL, /* headers_rewrite */ NULL, /* rewrite_rules */ 0, /* rewrite_existflags */ 300, /* filter_timeout */ FALSE, /* body_only */ FALSE, /* delivery_date_add */ FALSE, /* envelope_to_add */ FALSE, /* headers_only */ FALSE, /* rcpt_include_affixes */ FALSE, /* return_path_add */ FALSE, /* return_output */ FALSE, /* return_fail_output */ FALSE, /* log_output */ FALSE, /* log_fail_output */ FALSE, /* log_defer_output */ TRUE_UNSET /* retry_use_local_part: BOOL, but set neither 1 nor 0 so can detect unset */ }; int transport_count; int transport_newlines; uschar **transport_filter_argv = NULL; int transport_filter_timeout; BOOL transport_filter_timed_out = FALSE; 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; BOOL trusted_caller = FALSE; BOOL trusted_config = TRUE; 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 *warn_message_file = NULL; uschar *warnmsg_delay = NULL; uschar *warnmsg_recipients = NULL; BOOL write_rejectlog = TRUE; uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2007"; uschar *version_date = US"?"; uschar *version_cnumber = US"????"; uschar *version_string = US"?"; int warning_count = 0; /* End of globals.c */