HCoop / hcoop / debian / exim4.git / blame
| Commit | Line | Data |
|---|---|---|
| 420a0d19 CE |
1 | /************************************************* |
| 2 | * Exim - an Internet mail transport agent * | |
| 3 | *************************************************/ | |
| 4 | ||
| 2813c06e | 5 | /* Copyright (c) University of Cambridge 1995 - 2017 */ |
| 420a0d19 CE |
6 | /* See the file NOTICE for conditions of use and distribution. */ |
| 7 | ||
| 8 | /* Almost all the global variables are defined together in this one header, so | |
| 9 | that they are easy to find. However, those that are visible during the | |
| 10 | compilation of the local_scan() function are defined separately in the | |
| 11 | local_scan.h header file. */ | |
| 12 | ||
| 13 | /* First put any specials that are required for some operating systems. */ | |
| 14 | ||
| 15 | #ifdef NEED_H_ERRNO | |
| 16 | extern int h_errno; | |
| 17 | #endif | |
| 18 | ||
| 19 | /* We need to be careful about width of int and atomicity in signal handlers, | |
| 20 | especially with the rise of 64-bit systems breaking older assumptions. But | |
| 21 | sig_atomic_t comes from signal.h so can't go into mytypes.h without including | |
| 22 | signal support in local_scan, which seems precipitous. */ | |
| 23 | typedef volatile sig_atomic_t SIGNAL_BOOL; | |
| 24 | ||
| 25 | /* Now things that are present only when configured. */ | |
| 26 | ||
| 27 | #ifdef EXIM_PERL | |
| 28 | extern uschar *opt_perl_startup; /* Startup code for Perl interpreter */ | |
| 29 | extern BOOL opt_perl_at_start; /* Start Perl interpreter at start */ | |
| 30 | extern BOOL opt_perl_started; /* Set once interpreter started */ | |
| 2813c06e | 31 | extern BOOL opt_perl_taintmode; /* Enable taint mode in Perl */ |
| 420a0d19 CE |
32 | #endif |
| 33 | ||
| 34 | #ifdef EXPAND_DLFUNC | |
| 35 | extern tree_node *dlobj_anchor; /* Tree of dynamically-loaded objects */ | |
| 36 | #endif | |
| 37 | ||
| 38 | #ifdef LOOKUP_IBASE | |
| 39 | extern uschar *ibase_servers; | |
| 40 | #endif | |
| 41 | ||
| 42 | #ifdef LOOKUP_LDAP | |
| 43 | extern uschar *eldap_ca_cert_dir; /* Directory with CA certificates */ | |
| 44 | extern uschar *eldap_ca_cert_file; /* CA certificate file */ | |
| 45 | extern uschar *eldap_cert_file; /* Certificate file */ | |
| 46 | extern uschar *eldap_cert_key; /* Certificate key file */ | |
| 47 | extern uschar *eldap_cipher_suite; /* Allowed cipher suite */ | |
| 48 | extern uschar *eldap_default_servers; /* List of default servers */ | |
| 49 | extern uschar *eldap_require_cert; /* Peer certificate checking strategy */ | |
| 50 | extern BOOL eldap_start_tls; /* Use STARTTLS */ | |
| 51 | extern int eldap_version; /* LDAP version */ | |
| 52 | #endif | |
| 53 | ||
| 54 | #ifdef LOOKUP_MYSQL | |
| 55 | extern uschar *mysql_servers; /* List of servers and connect info */ | |
| 56 | #endif | |
| 57 | ||
| 58 | #ifdef LOOKUP_ORACLE | |
| 59 | extern uschar *oracle_servers; /* List of servers and connect info */ | |
| 60 | #endif | |
| 61 | ||
| 62 | #ifdef LOOKUP_PGSQL | |
| 63 | extern uschar *pgsql_servers; /* List of servers and connect info */ | |
| 64 | #endif | |
| 65 | ||
| 2813c06e | 66 | #ifdef LOOKUP_REDIS |
| 420a0d19 CE |
67 | extern uschar *redis_servers; /* List of servers and connect info */ |
| 68 | #endif | |
| 69 | ||
| 70 | #ifdef LOOKUP_SQLITE | |
| 71 | extern int sqlite_lock_timeout; /* Internal lock waiting timeout */ | |
| 72 | #endif | |
| 73 | ||
| 74 | #ifdef SUPPORT_MOVE_FROZEN_MESSAGES | |
| 75 | extern BOOL move_frozen_messages; /* Get them out of the normal directory */ | |
| 76 | #endif | |
| 77 | ||
| 78 | /* These variables are outside the #ifdef because it keeps the code less | |
| 79 | cluttered in several places (e.g. during logging) if we can always refer to | |
| 80 | them. Also, the tls_ variables are now always visible. */ | |
| 81 | ||
| 82 | typedef struct { | |
| 83 | int active; /* fd/socket when in a TLS session */ | |
| 84 | int bits; /* bits used in TLS session */ | |
| 85 | BOOL certificate_verified; /* Client certificate verified */ | |
| 2813c06e CE |
86 | #ifdef EXPERIMENTAL_DANE |
| 87 | BOOL dane_verified; /* ... via DANE */ | |
| 88 | int tlsa_usage; /* TLSA record(s) usage */ | |
| 89 | #endif | |
| 420a0d19 CE |
90 | uschar *cipher; /* Cipher used */ |
| 91 | BOOL on_connect; /* For older MTAs that don't STARTTLS */ | |
| 92 | uschar *on_connect_ports; /* Ports always tls-on-connect */ | |
| 93 | void *ourcert; /* Certificate we presented, binary */ | |
| 94 | void *peercert; /* Certificate of peer, binary */ | |
| 95 | uschar *peerdn; /* DN from peer */ | |
| 96 | uschar *sni; /* Server Name Indication */ | |
| 97 | enum { | |
| 98 | OCSP_NOT_REQ=0, /* not requested */ | |
| 99 | OCSP_NOT_RESP, /* no response to request */ | |
| 100 | OCSP_VFY_NOT_TRIED, /* response not verified */ | |
| 101 | OCSP_FAILED, /* verify failed */ | |
| 102 | OCSP_VFIED /* verified */ | |
| 103 | } ocsp; /* Stapled OCSP status */ | |
| 104 | } tls_support; | |
| 105 | extern tls_support tls_in; | |
| 106 | extern tls_support tls_out; | |
| 107 | ||
| 108 | #ifdef SUPPORT_TLS | |
| 109 | extern BOOL gnutls_compat_mode; /* Less security, more compatibility */ | |
| 110 | extern BOOL gnutls_allow_auto_pkcs11; /* Let GnuTLS autoload PKCS11 modules */ | |
| 420a0d19 CE |
111 | extern uschar *openssl_options; /* OpenSSL compatibility options */ |
| 112 | extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */ | |
| 420a0d19 CE |
113 | extern uschar *tls_certificate; /* Certificate file */ |
| 114 | extern uschar *tls_channelbinding_b64; /* string of base64 channel binding */ | |
| 115 | extern uschar *tls_crl; /* CRL File */ | |
| 116 | extern int tls_dh_max_bits; /* don't accept higher lib suggestions */ | |
| 117 | extern uschar *tls_dhparam; /* DH param file */ | |
| 2813c06e CE |
118 | extern uschar *tls_eccurve; /* EC curve */ |
| 119 | # ifndef DISABLE_OCSP | |
| 420a0d19 | 120 | extern uschar *tls_ocsp_file; /* OCSP stapling proof file */ |
| 2813c06e | 121 | # endif |
| 420a0d19 CE |
122 | extern uschar *tls_privatekey; /* Private key file */ |
| 123 | extern BOOL tls_remember_esmtp; /* For YAEB */ | |
| 124 | extern uschar *tls_require_ciphers; /* So some can be avoided */ | |
| 125 | extern uschar *tls_try_verify_hosts; /* Optional client verification */ | |
| 126 | extern uschar *tls_verify_certificates;/* Path for certificates to check */ | |
| 127 | extern uschar *tls_verify_hosts; /* Mandatory client verification */ | |
| 128 | #endif | |
| 2813c06e | 129 | extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */ |
| 420a0d19 | 130 | |
| 420a0d19 CE |
131 | extern uschar *dsn_envid; /* DSN envid string */ |
| 132 | extern int dsn_ret; /* DSN ret type*/ | |
| 133 | extern const pcre *regex_DSN; /* For recognizing DSN settings */ | |
| 420a0d19 | 134 | extern uschar *dsn_advertise_hosts; /* host for which TLS is advertised */ |
| 420a0d19 CE |
135 | |
| 136 | /* Input-reading functions for messages, so we can use special ones for | |
| 137 | incoming TCP/IP. */ | |
| 138 | ||
| 2813c06e CE |
139 | extern int (*lwr_receive_getc)(unsigned); |
| 140 | extern int (*lwr_receive_ungetc)(int); | |
| 141 | extern int (*receive_getc)(unsigned); | |
| 142 | extern void (*receive_get_cache)(void); | |
| 420a0d19 CE |
143 | extern int (*receive_ungetc)(int); |
| 144 | extern int (*receive_feof)(void); | |
| 145 | extern int (*receive_ferror)(void); | |
| 146 | extern BOOL (*receive_smtp_buffered)(void); | |
| 147 | ||
| 148 | ||
| 149 | /* For clearing, saving, restoring address expansion variables. We have to have | |
| 150 | the size of this vector set explicitly, because it is referenced from more than | |
| 151 | one module. */ | |
| 152 | ||
| 2813c06e | 153 | extern const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT]; |
| 420a0d19 CE |
154 | |
| 155 | /* General global variables */ | |
| 156 | ||
| 157 | extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */ | |
| 2813c06e | 158 | extern uschar *add_environment; /* List of environment variables to add */ |
| 420a0d19 CE |
159 | extern header_line *acl_added_headers; /* Headers added by an ACL */ |
| 160 | extern tree_node *acl_anchor; /* Tree of named ACLs */ | |
| 161 | extern uschar *acl_arg[9]; /* Argument to ACL call */ | |
| 162 | extern int acl_narg; /* Number of arguments to ACL call */ | |
| 2813c06e | 163 | extern int acl_level; /* Nesting depth and debug indent */ |
| 420a0d19 CE |
164 | extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */ |
| 165 | #ifdef WITH_CONTENT_SCAN | |
| 166 | extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */ | |
| 167 | #endif | |
| 168 | extern uschar *acl_not_smtp_start; /* ACL run at the beginning of a non-SMTP session */ | |
| 169 | extern uschar *acl_removed_headers; /* Headers deleted by an ACL */ | |
| 170 | extern uschar *acl_smtp_auth; /* ACL run for AUTH */ | |
| 171 | extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */ | |
| 172 | extern uschar *acl_smtp_data; /* ACL run after DATA received */ | |
| 173 | #ifndef DISABLE_PRDR | |
| 174 | extern uschar *acl_smtp_data_prdr; /* ACL run after DATA received if in PRDR mode*/ | |
| 175 | const extern pcre *regex_PRDR; /* For recognizing PRDR settings */ | |
| 176 | #endif | |
| 177 | #ifndef DISABLE_DKIM | |
| 178 | extern uschar *acl_smtp_dkim; /* ACL run for DKIM signatures / domains */ | |
| 179 | #endif | |
| 180 | extern uschar *acl_smtp_etrn; /* ACL run for ETRN */ | |
| 181 | extern uschar *acl_smtp_expn; /* ACL run for EXPN */ | |
| 182 | extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */ | |
| 183 | extern uschar *acl_smtp_mail; /* ACL run for MAIL */ | |
| 184 | extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */ | |
| 185 | #ifdef WITH_CONTENT_SCAN | |
| 186 | extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */ | |
| 187 | #endif | |
| 188 | extern uschar *acl_smtp_notquit; /* ACL run for disconnects */ | |
| 189 | extern uschar *acl_smtp_predata; /* ACL run for DATA command */ | |
| 190 | extern uschar *acl_smtp_quit; /* ACL run for QUIT */ | |
| 191 | extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */ | |
| 192 | extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */ | |
| 193 | extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */ | |
| 194 | extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */ | |
| 195 | extern tree_node *acl_var_c; /* ACL connection variables */ | |
| 2813c06e | 196 | extern tree_node *acl_var_m; /* ACL message variables */ |
| 420a0d19 CE |
197 | extern uschar *acl_verify_message; /* User message for verify failure */ |
| 198 | extern string_item *acl_warn_logged; /* Logged lines */ | |
| 199 | extern uschar *acl_wherecodes[]; /* Response codes for ACL fails */ | |
| 200 | extern uschar *acl_wherenames[]; /* Names for messages */ | |
| 201 | extern BOOL active_local_from_check;/* For adding Sender: (switchable) */ | |
| 202 | extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */ | |
| 203 | extern address_item *addr_duplicate; /* Duplicate address list */ | |
| 204 | extern address_item address_defaults; /* Default data for address item */ | |
| 205 | extern uschar *address_file; /* Name of file when delivering to one */ | |
| 206 | extern uschar *address_pipe; /* Pipe command when delivering to one */ | |
| 207 | extern BOOL address_test_mode; /* True for -bt */ | |
| 208 | extern tree_node *addresslist_anchor; /* Tree of defined address lists */ | |
| 209 | extern int addresslist_count; /* Number defined */ | |
| 210 | extern gid_t *admin_groups; /* List of admin groups */ | |
| 211 | extern BOOL admin_user; /* True if caller can do admin */ | |
| 212 | extern BOOL allow_auth_unadvertised;/* As it says */ | |
| 213 | extern BOOL allow_domain_literals; /* As it says */ | |
| 214 | extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */ | |
| 215 | extern BOOL allow_unqualified_recipient; /* As it says */ | |
| 216 | extern BOOL allow_unqualified_sender; /* Ditto */ | |
| 217 | extern BOOL allow_utf8_domains; /* For experimenting */ | |
| 218 | extern uschar *authenticated_fail_id; /* ID that failed authentication */ | |
| 219 | extern uschar *authenticated_id; /* ID that was authenticated */ | |
| 220 | extern uschar *authenticated_sender; /* From AUTH on MAIL */ | |
| 221 | extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */ | |
| 222 | extern uschar *auth_advertise_hosts; /* Only advertise to these */ | |
| 223 | extern auth_info auths_available[]; /* Vector of available auth mechanisms */ | |
| 224 | extern auth_instance *auths; /* Chain of instantiated auths */ | |
| 225 | extern auth_instance auth_defaults; /* Default values */ | |
| 226 | extern uschar *auth_defer_msg; /* Error message for log */ | |
| 227 | extern uschar *auth_defer_user_msg; /* Error message for user */ | |
| 228 | extern uschar *auth_vars[]; /* $authn variables */ | |
| 229 | extern int auto_thaw; /* Auto-thaw interval */ | |
| 230 | #ifdef WITH_CONTENT_SCAN | |
| 231 | extern BOOL av_failed; /* TRUE if the AV process failed */ | |
| 232 | extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */ | |
| 233 | #endif | |
| 234 | ||
| 235 | extern BOOL background_daemon; /* Set FALSE to keep in foreground */ | |
| 236 | extern uschar *base62_chars; /* Table of base-62 characters */ | |
| 237 | extern uschar *bi_command; /* Command for -bi option */ | |
| 238 | extern uschar *big_buffer; /* Used for various temp things */ | |
| 239 | extern int big_buffer_size; /* Current size (can expand) */ | |
| 240 | #ifdef EXPERIMENTAL_BRIGHTMAIL | |
| 241 | extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */ | |
| 242 | extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */ | |
| 243 | extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */ | |
| 244 | extern uschar *bmi_config_file; /* Brightmail config file */ | |
| 245 | extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */ | |
| 246 | extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */ | |
| 247 | extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */ | |
| 248 | #endif | |
| 2813c06e | 249 | extern int body_8bitmime; /* sender declared BODY= ; 7=7BIT, 8=8BITMIME */ |
| 420a0d19 CE |
250 | extern uschar *bounce_message_file; /* Template file */ |
| 251 | extern uschar *bounce_message_text; /* One-liner */ | |
| 252 | extern uschar *bounce_recipient; /* When writing an errmsg */ | |
| 253 | extern BOOL bounce_return_body; /* Include body in returned message */ | |
| 2813c06e | 254 | extern int bounce_return_linesize_limit; /* Max line length in return */ |
| 420a0d19 CE |
255 | extern BOOL bounce_return_message; /* Include message in bounce */ |
| 256 | extern int bounce_return_size_limit; /* Max amount to return */ | |
| 257 | extern uschar *bounce_sender_authentication; /* AUTH address for bounces */ | |
| 258 | extern int bsmtp_transaction_linecount; /* Start of last transaction */ | |
| 259 | ||
| 2813c06e | 260 | extern uschar *callout_address; /* Address used for a malware/spamd/verify etc. callout */ |
| 420a0d19 CE |
261 | extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */ |
| 262 | extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */ | |
| 263 | extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */ | |
| 264 | extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */ | |
| 265 | extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */ | |
| 266 | extern uschar *check_dns_names_pattern;/* Regex for syntax check */ | |
| 267 | extern int check_log_inodes; /* Minimum for message acceptance */ | |
| 268 | extern int check_log_space; /* Minimum for message acceptance */ | |
| 269 | extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */ | |
| 270 | extern int check_spool_inodes; /* Minimum for message acceptance */ | |
| 271 | extern int check_spool_space; /* Minimum for message acceptance */ | |
| 2813c06e CE |
272 | extern uschar *chunking_advertise_hosts; /* RFC 3030 CHUNKING */ |
| 273 | extern unsigned chunking_datasize; | |
| 274 | extern unsigned chunking_data_left; | |
| 275 | extern BOOL chunking_offered; | |
| 276 | extern chunking_state_t chunking_state; | |
| 420a0d19 CE |
277 | extern uschar *client_authenticator; /* Authenticator name used for smtp delivery */ |
| 278 | extern uschar *client_authenticated_id; /* "login" name used for SMTP AUTH */ | |
| 279 | extern uschar *client_authenticated_sender; /* AUTH option to SMTP MAIL FROM (not yet used) */ | |
| 280 | extern int clmacro_count; /* Number of command line macros */ | |
| 281 | extern uschar *clmacros[]; /* Copy of them, for re-exec */ | |
| 282 | extern int connection_max_messages;/* Max down one SMTP connection */ | |
| 283 | extern BOOL config_changed; /* True if -C used */ | |
| 284 | extern FILE *config_file; /* Configuration file */ | |
| 2813c06e | 285 | extern const uschar *config_filename; /* Configuration file name */ |
| 420a0d19 | 286 | extern gid_t config_gid; /* Additional group owner */ |
| 420a0d19 CE |
287 | extern int config_lineno; /* Line number */ |
| 288 | extern uschar *config_main_filelist; /* List of possible config files */ | |
| 289 | extern uschar *config_main_filename; /* File name actually used */ | |
| 2813c06e | 290 | extern uschar *config_main_directory; /* Directory where the main config file was found */ |
| 420a0d19 | 291 | extern uid_t config_uid; /* Additional owner */ |
| 420a0d19 CE |
292 | extern uschar *continue_hostname; /* Host for continued delivery */ |
| 293 | extern uschar *continue_host_address; /* IP address for ditto */ | |
| 294 | extern BOOL continue_more; /* Flag more addresses waiting */ | |
| 295 | extern int continue_sequence; /* Sequence num for continued delivery */ | |
| 296 | extern uschar *continue_transport; /* Transport for continued delivery */ | |
| 297 | ||
| 298 | extern uschar *csa_status; /* Client SMTP Authorization result */ | |
| 2813c06e CE |
299 | |
| 300 | typedef struct { | |
| 301 | unsigned delivery:1; /* When to attempt */ | |
| 302 | unsigned defer_pass:1; /* Pass 4xx to caller rather than spooling */ | |
| 303 | int fd; /* Open connection */ | |
| 304 | int nrcpt; /* Count of addresses */ | |
| 305 | uschar * interface; /* (address of) */ | |
| 306 | host_item host; /* Host used */ | |
| 307 | address_item addr; /* (Chain of) addresses */ | |
| 308 | } cut_t; | |
| 309 | extern cut_t cutthrough; /* Deliver-concurrently */ | |
| 420a0d19 CE |
310 | |
| 311 | extern BOOL daemon_listen; /* True if listening required */ | |
| 312 | extern uschar *daemon_smtp_port; /* Can be a list of ports */ | |
| 313 | extern int daemon_startup_retries; /* Number of times to retry */ | |
| 314 | extern int daemon_startup_sleep; /* Sleep between retries */ | |
| 315 | ||
| 316 | #ifdef EXPERIMENTAL_DCC | |
| 317 | extern BOOL dcc_direct_add_header; /* directly add header */ | |
| 318 | extern uschar *dcc_header; /* dcc header */ | |
| 319 | extern uschar *dcc_result; /* dcc result */ | |
| 320 | extern uschar *dccifd_address; /* address of the dccifd daemon */ | |
| 321 | extern uschar *dccifd_options; /* options for the dccifd daemon */ | |
| 322 | #endif | |
| 323 | ||
| 324 | extern BOOL debug_daemon; /* Debug the daemon process only */ | |
| 325 | extern int debug_fd; /* The fd for debug_file */ | |
| 326 | extern FILE *debug_file; /* Where to write debugging info */ | |
| 2813c06e | 327 | extern int debug_notall[]; /* Debug options excluded from +all */ |
| 420a0d19 CE |
328 | extern bit_table debug_options[]; /* Table of debug options */ |
| 329 | extern int debug_options_count; /* Size of table */ | |
| 2813c06e | 330 | extern BOOL debug_store; /* Do extra checks on store_reset */ |
| 420a0d19 CE |
331 | extern int delay_warning[]; /* Times between warnings */ |
| 332 | extern uschar *delay_warning_condition; /* Condition string for warnings */ | |
| 333 | extern BOOL delivery_date_remove; /* Remove delivery-date headers */ | |
| 334 | ||
| 335 | extern uschar *deliver_address_data; /* Arbitrary data for an address */ | |
| 336 | extern int deliver_datafile; /* FD for data part of message */ | |
| 2813c06e | 337 | extern const uschar *deliver_domain; /* The local domain for delivery */ |
| 420a0d19 | 338 | extern uschar *deliver_domain_data; /* From domain lookup */ |
| 2813c06e CE |
339 | extern const uschar *deliver_domain_orig; /* The original local domain for delivery */ |
| 340 | extern const uschar *deliver_domain_parent; /* The parent domain for delivery */ | |
| 420a0d19 CE |
341 | extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */ |
| 342 | extern BOOL deliver_firsttime; /* True for first delivery attempt */ | |
| 343 | extern BOOL deliver_force; /* TRUE if delivery was forced */ | |
| 344 | extern BOOL deliver_freeze; /* TRUE if delivery is frozen */ | |
| 345 | extern time_t deliver_frozen_at; /* Time of freezing */ | |
| 346 | extern uschar *deliver_home; /* Home directory for pipes */ | |
| 2813c06e | 347 | extern const uschar *deliver_host; /* (First) host for routed local deliveries */ |
| 420a0d19 | 348 | /* Remote host for filter */ |
| 2813c06e CE |
349 | extern const uschar *deliver_host_address; /* Address for remote delivery filter */ |
| 350 | extern int deliver_host_port; /* Address for remote delivery filter */ | |
| 420a0d19 CE |
351 | extern uschar *deliver_in_buffer; /* Buffer for copying file */ |
| 352 | extern ino_t deliver_inode; /* Inode for appendfile */ | |
| 353 | extern uschar *deliver_localpart; /* The local part for delivery */ | |
| 354 | extern uschar *deliver_localpart_data; /* From local part lookup */ | |
| 355 | extern uschar *deliver_localpart_orig; /* The original local part for delivery */ | |
| 356 | extern uschar *deliver_localpart_parent; /* The parent local part for delivery */ | |
| 357 | extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */ | |
| 358 | extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */ | |
| 359 | extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */ | |
| 360 | extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */ | |
| 361 | extern uschar *deliver_out_buffer; /* Buffer for copying file */ | |
| 362 | extern int deliver_queue_load_max; /* Different value for queue running */ | |
| 363 | extern address_item *deliver_recipients; /* Current set of addresses */ | |
| 364 | extern uschar *deliver_selectstring; /* For selecting by recipient */ | |
| 365 | extern BOOL deliver_selectstring_regex; /* String is regex */ | |
| 366 | extern uschar *deliver_selectstring_sender; /* For selecting by sender */ | |
| 367 | extern BOOL deliver_selectstring_sender_regex; /* String is regex */ | |
| 420a0d19 CE |
368 | extern BOOL disable_callout_flush; /* Don't flush before callouts */ |
| 369 | extern BOOL disable_delay_flush; /* Don't flush before "delay" in ACL */ | |
| 370 | #ifdef ENABLE_DISABLE_FSYNC | |
| 371 | extern BOOL disable_fsync; /* Not for normal use */ | |
| 372 | #endif | |
| 373 | extern BOOL disable_ipv6; /* Don't do any IPv6 things */ | |
| 374 | extern BOOL disable_logging; /* Disables log writing when TRUE */ | |
| 375 | ||
| 376 | #ifndef DISABLE_DKIM | |
| 2813c06e | 377 | extern BOOL dkim_collect_input; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */ |
| 420a0d19 | 378 | extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */ |
| 2813c06e CE |
379 | extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */ |
| 380 | extern int dkim_key_length; /* Expansion variable, length of signing key in bits */ | |
| 420a0d19 CE |
381 | extern uschar *dkim_signers; /* Expansion variable, holds colon-separated list of domains and identities that have signed a message */ |
| 382 | extern uschar *dkim_signing_domain; /* Expansion variable, domain used for signing a message. */ | |
| 383 | extern uschar *dkim_signing_selector; /* Expansion variable, selector used for signing a message. */ | |
| 384 | extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */ | |
| 420a0d19 CE |
385 | #endif |
| 386 | #ifdef EXPERIMENTAL_DMARC | |
| 387 | extern BOOL dmarc_has_been_checked; /* Global variable to check if test has been called yet */ | |
| 388 | extern uschar *dmarc_ar_header; /* Expansion variable, suggested header for dmarc auth results */ | |
| 389 | extern uschar *dmarc_domain_policy; /* Expansion for declared policy of used domain */ | |
| 390 | extern uschar *dmarc_forensic_sender; /* Set sender address for forensic reports */ | |
| 391 | extern uschar *dmarc_history_file; /* Expansion variable, file to store dmarc results */ | |
| 392 | extern uschar *dmarc_status; /* Expansion variable, one word value */ | |
| 393 | extern uschar *dmarc_status_text; /* Expansion variable, human readable value */ | |
| 394 | extern uschar *dmarc_tld_file; /* Mozilla TLDs text file */ | |
| 395 | extern uschar *dmarc_used_domain; /* Expansion variable, domain libopendmarc chose for DMARC policy lookup */ | |
| 396 | extern BOOL dmarc_disable_verify; /* Set via ACL control statement. When set, DMARC verification is disabled for the current message */ | |
| 397 | extern BOOL dmarc_enable_forensic; /* Set via ACL control statement. When set, DMARC forensic reports are enabled for the current message */ | |
| 398 | #endif | |
| 399 | ||
| 400 | extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */ | |
| 401 | extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */ | |
| 402 | extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */ | |
| 403 | extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */ | |
| 2813c06e CE |
404 | #ifdef EXPERIMENTAL_DANE |
| 405 | extern int dns_dane_ok; /* Ok to use DANE when checking TLS authenticity */ | |
| 406 | #endif | |
| 420a0d19 CE |
407 | extern int dns_retrans; /* Retransmission time setting */ |
| 408 | extern int dns_retry; /* Number of retries */ | |
| 409 | extern int dns_dnssec_ok; /* When constructing DNS query, set DO flag */ | |
| 2813c06e | 410 | extern uschar *dns_trust_aa; /* DNSSEC trust AA as AD */ |
| 420a0d19 CE |
411 | extern int dns_use_edns0; /* Coerce EDNS0 support on/off in resolver. */ |
| 412 | extern uschar *dnslist_domain; /* DNS (black) list domain */ | |
| 413 | extern uschar *dnslist_matched; /* DNS (black) list matched key */ | |
| 414 | extern uschar *dnslist_text; /* DNS (black) list text message */ | |
| 415 | extern uschar *dnslist_value; /* DNS (black) list IP address */ | |
| 416 | extern tree_node *domainlist_anchor; /* Tree of defined domain lists */ | |
| 417 | extern int domainlist_count; /* Number defined */ | |
| 418 | extern BOOL dont_deliver; /* TRUE for -N option */ | |
| 419 | extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */ | |
| 420 | ||
| 421 | /* This option is now a no-opt, retained for compatibility */ | |
| 422 | extern BOOL drop_cr; /* For broken local MUAs */ | |
| 423 | ||
| 424 | extern uschar *dsn_from; /* From: string for DSNs */ | |
| 425 | ||
| 426 | extern BOOL enable_dollar_recipients; /* Make $recipients available */ | |
| 2813c06e | 427 | extern BOOL envelope_to_remove; /* Remove envelope_to_headers */ |
| 420a0d19 CE |
428 | extern int errno_quota; /* Quota errno in this OS */ |
| 429 | extern int error_handling; /* Error handling style */ | |
| 430 | extern uschar *errors_copy; /* For taking copies of errors */ | |
| 431 | extern uschar *errors_reply_to; /* Reply-to for error messages */ | |
| 432 | extern int errors_sender_rc; /* Return after message to sender*/ | |
| 2813c06e CE |
433 | |
| 434 | #ifndef DISABLE_EVENT | |
| 435 | extern uschar *event_action; /* expansion for delivery events */ | |
| 436 | extern uschar *event_data; /* event data */ | |
| 437 | extern int event_defer_errno; /* error number set when a remote delivery is deferred with a host error */ | |
| 438 | extern const uschar *event_name; /* event classification */ | |
| 439 | #endif | |
| 440 | ||
| 420a0d19 CE |
441 | extern gid_t exim_gid; /* To be used with exim_uid */ |
| 442 | extern BOOL exim_gid_set; /* TRUE if exim_gid set */ | |
| 443 | extern uschar *exim_path; /* Path to exec exim */ | |
| 444 | extern const uschar *exim_sieve_extension_list[]; /* list of sieve extensions */ | |
| 445 | extern uid_t exim_uid; /* Non-root uid for exim */ | |
| 446 | extern BOOL exim_uid_set; /* TRUE if exim_uid set */ | |
| 2813c06e | 447 | extern int expand_level; /* Nesting depth; indent for debug */ |
| 420a0d19 CE |
448 | extern int expand_forbid; /* RDO flags for forbidding things */ |
| 449 | extern int expand_nlength[]; /* Lengths of numbered strings */ | |
| 450 | extern int expand_nmax; /* Max numerical value */ | |
| 451 | extern uschar *expand_nstring[]; /* Numbered strings */ | |
| 452 | extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */ | |
| 453 | extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */ | |
| 454 | extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */ | |
| 455 | ||
| 456 | extern int fake_response; /* Fake FAIL or DEFER response to data */ | |
| 457 | extern uschar *fake_response_text; /* User defined message for the above. Default is in globals.c. */ | |
| 458 | extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */ | |
| 459 | extern BOOL filter_running; /* TRUE while running a filter */ | |
| 460 | extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */ | |
| 461 | extern int filter_test; /* Filter test type */ | |
| 462 | extern uschar *filter_test_sfile; /* System filter test file */ | |
| 463 | extern uschar *filter_test_ufile; /* User filter test file */ | |
| 464 | extern uschar *filter_thisaddress; /* For address looping */ | |
| 465 | extern int finduser_retries; /* Retry count for getpwnam() */ | |
| 466 | extern uid_t fixed_never_users[]; /* Can't be overridden */ | |
| 420a0d19 CE |
467 | extern uschar *freeze_tell; /* Message on (some) freezings */ |
| 468 | extern uschar *freeze_tell_config; /* The configured setting */ | |
| 469 | extern uschar *fudged_queue_times; /* For use in test harness */ | |
| 470 | ||
| 471 | extern uschar *gecos_name; /* To be expanded when pattern matches */ | |
| 472 | extern uschar *gecos_pattern; /* Pattern to match */ | |
| 473 | extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */ | |
| 474 | ||
| 475 | extern int header_insert_maxlen; /* Max for inserting headers */ | |
| 476 | extern int header_maxsize; /* Max total length for header */ | |
| 477 | extern int header_line_maxsize; /* Max for an individual line */ | |
| 478 | extern header_name header_names[]; /* Table of header names */ | |
| 479 | extern int header_names_size; /* Number of entries */ | |
| 480 | extern BOOL header_rewritten; /* TRUE if header changed by router */ | |
| 481 | extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */ | |
| 482 | extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */ | |
| 483 | extern uschar *helo_lookup_domains; /* If these given, lookup host name */ | |
| 484 | extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */ | |
| 485 | extern BOOL helo_verified; /* True if HELO verified */ | |
| 486 | extern BOOL helo_verify_failed; /* True if attempt failed */ | |
| 487 | extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */ | |
| 488 | extern const uschar *hex_digits; /* Used in several places */ | |
| 489 | extern uschar *hold_domains; /* Hold up deliveries to these */ | |
| 490 | extern BOOL host_find_failed_syntax;/* DNS syntax check failure */ | |
| 491 | extern BOOL host_checking_callout; /* TRUE if real callout wanted */ | |
| 492 | extern uschar *host_data; /* Obtained from lookup in ACL */ | |
| 493 | extern uschar *host_lookup; /* For which IP addresses are always looked up */ | |
| 494 | extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */ | |
| 495 | extern BOOL host_lookup_failed; /* TRUE if lookup failed */ | |
| 496 | extern uschar *host_lookup_order; /* Order of host lookup types */ | |
| 497 | extern uschar *host_lookup_msg; /* Text for why it failed */ | |
| 498 | extern int host_number; /* For sharing spools */ | |
| 499 | extern uschar *host_number_string; /* For expanding */ | |
| 500 | extern uschar *host_reject_connection; /* Reject these hosts */ | |
| 501 | extern tree_node *hostlist_anchor; /* Tree of defined host lists */ | |
| 502 | extern int hostlist_count; /* Number defined */ | |
| 503 | extern uschar *hosts_connection_nolog; /* Limits the logging option */ | |
| 504 | extern uschar *hosts_treat_as_local; /* For routing */ | |
| 505 | ||
| 506 | extern int ignore_bounce_errors_after; /* Keep them for this time. */ | |
| 507 | extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */ | |
| 508 | extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */ | |
| 509 | extern BOOL inetd_wait_mode; /* Whether running in inetd wait mode */ | |
| 510 | extern int inetd_wait_timeout; /* Timeout for inetd wait mode */ | |
| 2813c06e | 511 | extern uschar *initial_cwd; /* The directory we where in at startup */ |
| 420a0d19 CE |
512 | extern BOOL is_inetd; /* True for inetd calls */ |
| 513 | extern uschar *iterate_item; /* Item from iterate list */ | |
| 514 | ||
| 515 | extern int journal_fd; /* Fd for journal file */ | |
| 516 | ||
| 2813c06e | 517 | extern uschar *keep_environment; /* Whitelist for environment variables */ |
| 420a0d19 CE |
518 | extern int keep_malformed; /* Time to keep malformed messages */ |
| 519 | ||
| 520 | extern uschar *eldap_dn; /* Where LDAP DNs are left */ | |
| 521 | extern int load_average; /* Most recently read load average */ | |
| 522 | extern BOOL local_error_message; /* True if handling one of these */ | |
| 523 | extern BOOL local_from_check; /* For adding Sender: (global value) */ | |
| 524 | extern uschar *local_from_prefix; /* Permitted prefixes */ | |
| 525 | extern uschar *local_from_suffix; /* Permitted suffixes */ | |
| 526 | extern uschar *local_interfaces; /* For forcing specific interfaces */ | |
| 527 | extern uschar *local_scan_data; /* Text returned by local_scan() */ | |
| 528 | extern optionlist local_scan_options[];/* Option list for local_scan() */ | |
| 529 | extern int local_scan_options_count; /* Size of the list */ | |
| 530 | extern int local_scan_timeout; /* Timeout for local_scan() */ | |
| 531 | extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */ | |
| 532 | extern gid_t local_user_gid; /* As it says; may be set in routers */ | |
| 533 | extern uid_t local_user_uid; /* As it says; may be set in routers */ | |
| 534 | extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */ | |
| 535 | extern int localpartlist_count; /* Number defined */ | |
| 536 | extern uschar *log_buffer; /* For constructing log entries */ | |
| 2813c06e | 537 | extern int log_default[]; /* Initialization list for log_selector */ |
| 420a0d19 | 538 | extern uschar *log_file_path; /* If unset, use default */ |
| 2813c06e | 539 | extern int log_notall[]; /* Log options excluded from +all */ |
| 420a0d19 CE |
540 | extern bit_table log_options[]; /* Table of options */ |
| 541 | extern int log_options_count; /* Size of table */ | |
| 542 | extern int log_reject_target; /* Target log for ACL rejections */ | |
| 2813c06e | 543 | extern unsigned int log_selector[]; /* Bit map of logging options */ |
| 420a0d19 CE |
544 | extern uschar *log_selector_string; /* As supplied in the config */ |
| 545 | extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */ | |
| 546 | extern BOOL log_testing_mode; /* TRUE in various testing modes */ | |
| 547 | extern BOOL log_timezone; /* TRUE to include the timezone in log lines */ | |
| 420a0d19 CE |
548 | extern uschar *login_sender_address; /* The actual sender address */ |
| 549 | extern lookup_info **lookup_list; /* Array of pointers to available lookups */ | |
| 550 | extern int lookup_list_count; /* Number of entries in the list */ | |
| 551 | extern uschar *lookup_dnssec_authenticated; /* AD status of dns lookup */ | |
| 552 | extern int lookup_open_max; /* Max lookup files to cache */ | |
| 553 | extern uschar *lookup_value; /* Value looked up from file */ | |
| 554 | ||
| 555 | extern macro_item *macros; /* Configuration macros */ | |
| 2813c06e CE |
556 | extern macro_item *mlast; /* Last item in macro list */ |
| 557 | extern BOOL macros_builtin_created; /* Flag for lazy-create */ | |
| 420a0d19 CE |
558 | extern uschar *mailstore_basename; /* For mailstore deliveries */ |
| 559 | #ifdef WITH_CONTENT_SCAN | |
| 560 | extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */ | |
| 561 | #endif | |
| 562 | extern int max_received_linelength;/* What it says */ | |
| 563 | extern int max_username_length; /* For systems with broken getpwnam() */ | |
| 564 | extern int message_age; /* In seconds */ | |
| 565 | extern uschar *message_body; /* Start of message body for filter */ | |
| 566 | extern uschar *message_body_end; /* End of message body for filter */ | |
| 567 | extern BOOL message_body_newlines; /* FALSE => remove newlines */ | |
| 568 | extern int message_body_size; /* Sic */ | |
| 569 | extern int message_body_visible; /* Amount visible in message_body */ | |
| 570 | extern int message_ended; /* State of message reading and how ended */ | |
| 571 | extern uschar *message_headers; /* When built */ | |
| 572 | extern uschar message_id_option[]; /* -E<message-id> for use as option */ | |
| 573 | extern uschar *message_id_external; /* External form of following */ | |
| 574 | extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */ | |
| 575 | extern uschar *message_id_text; /* Expanded to form message_id */ | |
| 576 | extern struct timeval message_id_tv; /* Time used to create last message_id */ | |
| 577 | extern int message_linecount; /* As it says */ | |
| 578 | extern BOOL message_logs; /* TRUE to write message logs */ | |
| 579 | extern int message_size; /* Size of message */ | |
| 580 | extern uschar *message_size_limit; /* As it says */ | |
| 2813c06e CE |
581 | #ifdef SUPPORT_I18N |
| 582 | extern BOOL message_smtputf8; /* Internationalized mail handling */ | |
| 583 | extern int message_utf8_downconvert; /* convert from utf8 */ | |
| 584 | const extern pcre *regex_UTF8; /* For recognizing SMTPUTF8 settings */ | |
| 585 | #endif | |
| 420a0d19 CE |
586 | extern uschar message_subdir[]; /* Subdirectory for messages */ |
| 587 | extern uschar *message_reference; /* Reference for error messages */ | |
| 588 | ||
| 589 | /* MIME ACL expandables */ | |
| 590 | #ifdef WITH_CONTENT_SCAN | |
| 591 | extern int mime_anomaly_level; | |
| 592 | extern const uschar *mime_anomaly_text; | |
| 593 | extern uschar *mime_boundary; | |
| 594 | extern uschar *mime_charset; | |
| 595 | extern uschar *mime_content_description; | |
| 596 | extern uschar *mime_content_disposition; | |
| 597 | extern uschar *mime_content_id; | |
| 598 | extern unsigned int mime_content_size; | |
| 599 | extern uschar *mime_content_transfer_encoding; | |
| 600 | extern uschar *mime_content_type; | |
| 601 | extern uschar *mime_decoded_filename; | |
| 602 | extern uschar *mime_filename; | |
| 603 | extern int mime_is_multipart; | |
| 604 | extern int mime_is_coverletter; | |
| 605 | extern int mime_is_rfc822; | |
| 606 | extern int mime_part_count; | |
| 607 | #endif | |
| 608 | ||
| 609 | extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */ | |
| 610 | ||
| 611 | extern uid_t *never_users; /* List of uids never to be used */ | |
| 612 | #ifdef WITH_CONTENT_SCAN | |
| 613 | extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */ | |
| 614 | #endif | |
| 615 | extern BOOL no_multiline_responses; /* For broken clients */ | |
| 616 | ||
| 2813c06e CE |
617 | extern const int on; /* For setsockopt */ |
| 618 | extern const int off; | |
| 619 | ||
| 420a0d19 CE |
620 | extern optionlist optionlist_auths[]; /* These option lists are made */ |
| 621 | extern int optionlist_auths_size; /* global so that readconf can */ | |
| 622 | extern optionlist optionlist_routers[]; /* see them for printing out */ | |
| 623 | extern int optionlist_routers_size; /* the options. */ | |
| 624 | extern optionlist optionlist_transports[]; | |
| 625 | extern int optionlist_transports_size; | |
| 626 | ||
| 627 | extern uid_t original_euid; /* Original effective uid */ | |
| 628 | extern gid_t originator_gid; /* Gid of whoever wrote spool file */ | |
| 629 | extern uschar *originator_login; /* Login of same */ | |
| 630 | extern uschar *originator_name; /* Full name of same */ | |
| 631 | extern uid_t originator_uid; /* Uid of ditto */ | |
| 632 | extern uschar *override_local_interfaces; /* Value of -oX argument */ | |
| 633 | extern uschar *override_pid_file_path; /* Value of -oP argument */ | |
| 634 | ||
| 635 | extern BOOL parse_allow_group; /* Allow group syntax */ | |
| 636 | extern BOOL parse_found_group; /* In the middle of a group */ | |
| 637 | extern uschar *percent_hack_domains; /* Local domains for which '% operates */ | |
| 638 | extern uschar *pid_file_path; /* For writing daemon pids */ | |
| 639 | extern uschar *pipelining_advertise_hosts; /* As it says */ | |
| 640 | extern BOOL pipelining_enable; /* As it says */ | |
| 641 | #ifndef DISABLE_PRDR | |
| 642 | extern BOOL prdr_enable; /* As it says */ | |
| 643 | extern BOOL prdr_requested; /* Connecting mail server wants PRDR */ | |
| 644 | #endif | |
| 645 | extern BOOL preserve_message_logs; /* Save msglog files */ | |
| 646 | extern uschar *primary_hostname; /* Primary name of this computer */ | |
| 647 | extern BOOL print_topbitchars; /* Topbit chars are printing chars */ | |
| 648 | extern uschar process_info[]; /* For SIGUSR1 output */ | |
| 649 | extern int process_info_len; | |
| 650 | extern uschar *process_log_path; /* Alternate path */ | |
| 651 | extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */ | |
| 652 | ||
| 2813c06e CE |
653 | #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS) |
| 654 | extern uschar *hosts_proxy; /* Hostlist which (require) use proxy protocol */ | |
| 655 | extern uschar *proxy_external_address; /* IP of remote interface of proxy */ | |
| 656 | extern int proxy_external_port; /* Port on remote interface of proxy */ | |
| 657 | extern uschar *proxy_local_address; /* IP of local interface of proxy */ | |
| 658 | extern int proxy_local_port; /* Port on local interface of proxy */ | |
| 420a0d19 CE |
659 | extern BOOL proxy_session; /* TRUE if receiving mail from valid proxy */ |
| 660 | extern BOOL proxy_session_failed; /* TRUE if required proxy negotiation failed */ | |
| 420a0d19 CE |
661 | #endif |
| 662 | ||
| 663 | extern uschar *prvscheck_address; /* Set during prvscheck expansion item */ | |
| 664 | extern uschar *prvscheck_keynum; /* Set during prvscheck expansion item */ | |
| 665 | extern uschar *prvscheck_result; /* Set during prvscheck expansion item */ | |
| 666 | ||
| 2813c06e | 667 | extern const uschar *qualify_domain_recipient; /* Domain to qualify recipients with */ |
| 420a0d19 CE |
668 | extern uschar *qualify_domain_sender; /* Domain to qualify senders with */ |
| 669 | extern BOOL queue_2stage; /* Run queue in 2-stage manner */ | |
| 670 | extern uschar *queue_domains; /* Queue these domains */ | |
| 671 | extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */ | |
| 672 | extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */ | |
| 673 | extern BOOL queue_run_force; /* TRUE to force during queue run */ | |
| 674 | extern BOOL queue_run_local; /* Local deliveries only in queue run */ | |
| 675 | extern BOOL queue_running; /* TRUE for queue running process and */ | |
| 676 | /* immediate children */ | |
| 677 | extern pid_t queue_run_pid; /* PID of the queue running process or 0 */ | |
| 678 | extern int queue_run_pipe; /* Pipe for synchronizing */ | |
| 679 | extern int queue_interval; /* Queue running interval */ | |
| 2813c06e | 680 | extern uschar *queue_name; /* Name of queue, if nondefault spooling */ |
| 420a0d19 CE |
681 | extern BOOL queue_only; /* TRUE to disable immediate delivery */ |
| 682 | extern int queue_only_load; /* Max load before auto-queue */ | |
| 683 | extern BOOL queue_only_load_latch; /* Latch queue_only_load TRUE */ | |
| 684 | extern uschar *queue_only_file; /* Queue if file exists/not-exists */ | |
| 685 | extern BOOL queue_only_override; /* Allow override from command line */ | |
| 686 | extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */ | |
| 687 | extern BOOL queue_run_in_order; /* As opposed to random */ | |
| 2813c06e CE |
688 | extern uschar *queue_run_max; /* Max queue runners */ |
| 689 | extern BOOL queue_smtp; /* Disable all immediate SMTP (-odqs)*/ | |
| 420a0d19 CE |
690 | extern uschar *queue_smtp_domains; /* Ditto, for these domains */ |
| 691 | ||
| 692 | extern unsigned int random_seed; /* Seed for random numbers */ | |
| 693 | extern tree_node *ratelimiters_cmd; /* Results of command ratelimit checks */ | |
| 694 | extern tree_node *ratelimiters_conn; /* Results of connection ratelimit checks */ | |
| 695 | extern tree_node *ratelimiters_mail; /* Results of per-mail ratelimit checks */ | |
| 696 | extern uschar *raw_active_hostname; /* Pre-expansion */ | |
| 697 | extern uschar *raw_sender; /* Before rewriting */ | |
| 698 | extern uschar **raw_recipients; /* Before rewriting */ | |
| 699 | extern int raw_recipients_count; | |
| 700 | extern int rcpt_count; /* Count of RCPT commands in a message */ | |
| 701 | extern int rcpt_fail_count; /* Those that got 5xx */ | |
| 702 | extern int rcpt_defer_count; /* Those that got 4xx */ | |
| 703 | extern gid_t real_gid; /* Real gid */ | |
| 704 | extern uid_t real_uid; /* Real user running program */ | |
| 705 | extern BOOL really_exim; /* FALSE in utilities */ | |
| 706 | extern BOOL receive_call_bombout; /* Flag for crashing log */ | |
| 707 | extern int receive_linecount; /* Mainly for BSMTP errors */ | |
| 708 | extern int receive_messagecount; /* Mainly for BSMTP errors */ | |
| 709 | extern int receive_timeout; /* For non-SMTP acceptance */ | |
| 710 | extern int received_count; /* Count of Received: headers */ | |
| 711 | extern uschar *received_for; /* For "for" field */ | |
| 712 | extern uschar *received_header_text; /* Definition of Received: header */ | |
| 713 | extern int received_headers_max; /* Max count of Received: headers */ | |
| 714 | extern int received_time; /* Time the message was received */ | |
| 715 | extern uschar *recipient_data; /* lookup data for recipients */ | |
| 716 | extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */ | |
| 717 | extern uschar *recipient_verify_failure; /* What went wrong */ | |
| 718 | extern BOOL recipients_discarded; /* By an ACL */ | |
| 719 | extern int recipients_list_max; /* Maximum number fitting in list */ | |
| 720 | extern int recipients_max; /* Max permitted */ | |
| 2813c06e | 721 | extern BOOL recipients_max_reject; /* If TRUE, reject whole message */ |
| 420a0d19 CE |
722 | extern const pcre *regex_AUTH; /* For recognizing AUTH settings */ |
| 723 | extern const pcre *regex_check_dns_names; /* For DNS name checking */ | |
| 724 | extern const pcre *regex_From; /* For recognizing "From_" lines */ | |
| 2813c06e | 725 | extern const pcre *regex_CHUNKING; /* For recognizing CHUNKING (RFC 3030) */ |
| 420a0d19 CE |
726 | extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */ |
| 727 | extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */ | |
| 728 | extern const pcre *regex_SIZE; /* For recognizing SIZE settings */ | |
| 420a0d19 | 729 | extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */ |
| 2813c06e CE |
730 | extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */ |
| 731 | extern uschar *regex_vars[]; /* $regexN variables */ | |
| 420a0d19 CE |
732 | #ifdef WHITELIST_D_MACROS |
| 733 | extern const pcre *regex_whitelisted_macro; /* For -D macro values */ | |
| 734 | #endif | |
| 735 | #ifdef WITH_CONTENT_SCAN | |
| 736 | extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */ | |
| 737 | #endif | |
| 738 | extern int remote_delivery_count; /* Number of remote addresses */ | |
| 739 | extern int remote_max_parallel; /* Maximum parallel delivery */ | |
| 740 | extern uschar *remote_sort_domains; /* Remote domain sorting order */ | |
| 741 | extern retry_config *retries; /* Chain of retry config information */ | |
| 742 | extern int retry_data_expire; /* When to expire retry data */ | |
| 743 | extern int retry_interval_max; /* Absolute maximum */ | |
| 744 | extern int retry_maximum_timeout; /* The maximum timeout */ | |
| 745 | extern uschar *return_path; /* Return path for a message */ | |
| 746 | extern BOOL return_path_remove; /* Remove return-path headers */ | |
| 747 | extern int rewrite_existflags; /* Indicate which headers have rewrites */ | |
| 748 | extern uschar *rfc1413_hosts; /* RFC hosts */ | |
| 749 | extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */ | |
| 750 | /* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */ | |
| 751 | extern uid_t root_gid; /* The gid for root */ | |
| 752 | extern uid_t root_uid; /* The uid for root */ | |
| 753 | extern router_info routers_available[];/* Vector of available routers */ | |
| 754 | extern router_instance *routers; /* Chain of instantiated routers */ | |
| 755 | extern router_instance router_defaults;/* Default values */ | |
| 756 | extern uschar *router_name; /* Name of router last started */ | |
| 757 | extern BOOL running_in_test_harness; /*TRUE when running_status is patched */ | |
| 758 | extern ip_address_item *running_interfaces; /* Host's running interfaces */ | |
| 759 | extern uschar *running_status; /* Flag string for testing */ | |
| 760 | extern int runrc; /* rc from ${run} */ | |
| 761 | ||
| 762 | extern uschar *search_error_message; /* Details of lookup problem */ | |
| 763 | extern BOOL search_find_defer; /* Set TRUE if lookup deferred */ | |
| 764 | extern uschar *self_hostname; /* Self host after routing->directors */ | |
| 765 | extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */ | |
| 766 | extern uschar *sender_address_data; /* address_data from sender verify */ | |
| 767 | extern BOOL sender_address_forced; /* Set by -f */ | |
| 768 | extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */ | |
| 769 | extern uschar *sender_data; /* lookup result for senders */ | |
| 770 | extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */ | |
| 771 | extern uschar *sender_fullhost; /* Sender host name + address */ | |
| 2813c06e | 772 | extern BOOL sender_helo_dnssec; /* True if HELO verify used DNS and was DNSSEC */ |
| 420a0d19 CE |
773 | extern uschar *sender_helo_name; /* Host name from HELO/EHLO */ |
| 774 | extern uschar **sender_host_aliases; /* Points to list of alias names */ | |
| 775 | extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */ | |
| 776 | extern BOOL sender_host_dnssec; /* true if sender_host_name verified in DNSSEC */ | |
| 777 | extern BOOL sender_host_notsocket; /* Set for -bs and -bS */ | |
| 778 | extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */ | |
| 779 | extern uschar *sender_ident; /* Sender identity via RFC 1413 */ | |
| 780 | extern BOOL sender_local; /* TRUE for local senders */ | |
| 781 | extern BOOL sender_name_forced; /* Set by -F */ | |
| 782 | extern uschar *sender_rate; /* Sender rate computed by ACL */ | |
| 783 | extern uschar *sender_rate_limit; /* Configured rate limit */ | |
| 784 | extern uschar *sender_rate_period; /* Configured smoothing period */ | |
| 785 | extern uschar *sender_rcvhost; /* Host data for Received: */ | |
| 786 | extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */ | |
| 787 | extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */ | |
| 788 | extern uschar *sender_verify_failure; /* What went wrong */ | |
| 789 | extern address_item *sender_verified_list; /* Saved chain of sender verifies */ | |
| 790 | extern address_item *sender_verified_failed; /* The one that caused denial */ | |
| 791 | extern uschar *sending_ip_address; /* Address of outgoing (SMTP) interface */ | |
| 792 | extern int sending_port; /* Port of outgoing interface */ | |
| 793 | extern SIGNAL_BOOL sigalrm_seen; /* Flag for sigalrm_handler */ | |
| 794 | extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */ | |
| 2813c06e | 795 | extern int slow_lookup_log; /* Log DNS lookups taking longer than N millisecs */ |
| 420a0d19 CE |
796 | extern int smtp_accept_count; /* Count of connections */ |
| 797 | extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */ | |
| 798 | extern int smtp_accept_max; /* Max SMTP connections */ | |
| 799 | extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */ | |
| 800 | extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */ | |
| 801 | extern int smtp_accept_max_per_connection; /* Max msgs per connection */ | |
| 802 | extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */ | |
| 803 | extern int smtp_accept_queue; /* Queue after so many connections */ | |
| 804 | extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */ | |
| 805 | extern int smtp_accept_reserve; /* Reserve these SMTP connections */ | |
| 806 | extern uschar *smtp_active_hostname; /* Hostname for this message */ | |
| 807 | extern BOOL smtp_authenticated; /* Sending client has authenticated */ | |
| 808 | extern uschar *smtp_banner; /* Banner string (to be expanded) */ | |
| 809 | extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */ | |
| 810 | extern int smtp_ch_index; /* Index in smtp_connection_had */ | |
| 811 | extern uschar *smtp_cmd_argument; /* For all SMTP commands */ | |
| 812 | extern uschar *smtp_cmd_buffer; /* SMTP command buffer */ | |
| 813 | extern time_t smtp_connection_start; /* Start time of SMTP connection */ | |
| 814 | extern uschar smtp_connection_had[]; /* Recent SMTP commands */ | |
| 815 | extern int smtp_connect_backlog; /* Max backlog permitted */ | |
| 816 | extern double smtp_delay_mail; /* Current MAIL delay */ | |
| 817 | extern double smtp_delay_rcpt; /* Current RCPT delay */ | |
| 818 | extern BOOL smtp_enforce_sync; /* Enforce sync rules */ | |
| 819 | extern uschar *smtp_etrn_command; /* Command to run */ | |
| 820 | extern BOOL smtp_etrn_serialize; /* Only one at once */ | |
| 821 | extern FILE *smtp_in; /* Incoming SMTP input file */ | |
| 822 | extern int smtp_load_reserve; /* Only from reserved if load > this */ | |
| 823 | extern int smtp_mailcmd_count; /* Count of MAIL commands */ | |
| 824 | extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */ | |
| 825 | extern int smtp_max_unknown_commands; /* As it says */ | |
| 826 | extern uschar *smtp_notquit_reason; /* Global for disconnect reason */ | |
| 827 | extern FILE *smtp_out; /* Incoming SMTP output file */ | |
| 828 | extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */ | |
| 829 | extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */ | |
| 830 | extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */ | |
| 831 | extern uschar *smtp_read_error; /* Message for SMTP input error */ | |
| 832 | extern int smtp_receive_timeout; /* Applies to each received line */ | |
| 2813c06e | 833 | extern uschar *smtp_receive_timeout_s; /* ... expandable version */ |
| 420a0d19 CE |
834 | extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */ |
| 835 | extern BOOL smtp_return_error_details; /* TRUE to return full info */ | |
| 836 | extern int smtp_rlm_base; /* Base interval for MAIL rate limit */ | |
| 837 | extern double smtp_rlm_factor; /* Factor for MAIL rate limit */ | |
| 838 | extern int smtp_rlm_limit; /* Max delay */ | |
| 839 | extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */ | |
| 840 | extern int smtp_rlr_base; /* Base interval for RCPT rate limit */ | |
| 841 | extern double smtp_rlr_factor; /* Factor for RCPT rate limit */ | |
| 842 | extern int smtp_rlr_limit; /* Max delay */ | |
| 843 | extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */ | |
| 2813c06e CE |
844 | extern unsigned smtp_peer_options; /* Global flags for passed connections */ |
| 845 | extern unsigned smtp_peer_options_wrap; /* stacked version hidden by TLS */ | |
| 846 | #ifdef SUPPORT_I18N | |
| 847 | extern uschar *smtputf8_advertise_hosts; /* ingress control */ | |
| 848 | #endif | |
| 420a0d19 CE |
849 | |
| 850 | #ifdef WITH_CONTENT_SCAN | |
| 851 | extern uschar *spamd_address; /* address for the spamassassin daemon */ | |
| 852 | extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */ | |
| 853 | extern uschar *spam_report; /* the spamd report (multiline) */ | |
| 2813c06e | 854 | extern uschar *spam_action; /* the spamd recommended-action */ |
| 420a0d19 CE |
855 | extern uschar *spam_score; /* the spam score (float) */ |
| 856 | extern uschar *spam_score_int; /* spam_score * 10 (int) */ | |
| 857 | #endif | |
| 858 | #ifdef EXPERIMENTAL_SPF | |
| 859 | extern uschar *spf_guess; /* spf best-guess record */ | |
| 860 | extern uschar *spf_header_comment; /* spf header comment */ | |
| 861 | extern uschar *spf_received; /* Received-SPF: header */ | |
| 862 | extern uschar *spf_result; /* spf result in string form */ | |
| 863 | extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */ | |
| 864 | #endif | |
| 865 | extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */ | |
| 866 | extern uschar *spool_directory; /* Name of spool directory */ | |
| 867 | #ifdef EXPERIMENTAL_SRS | |
| 868 | extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */ | |
| 869 | extern uschar *srs_db_address; /* SRS db address */ | |
| 870 | extern uschar *srs_db_key; /* SRS db key */ | |
| 871 | extern int srs_hashlength; /* SRS hash length */ | |
| 872 | extern int srs_hashmin; /* SRS minimum hash length */ | |
| 873 | extern int srs_maxage; /* SRS max age */ | |
| 874 | extern uschar *srs_orig_sender; /* SRS original sender */ | |
| 875 | extern uschar *srs_orig_recipient; /* SRS original recipient */ | |
| 876 | extern uschar *srs_recipient; /* SRS recipient */ | |
| 877 | extern uschar *srs_secrets; /* SRS secrets list */ | |
| 878 | extern uschar *srs_status; /* SRS staus */ | |
| 879 | extern BOOL srs_usehash; /* SRS use hash flag */ | |
| 880 | extern BOOL srs_usetimestamp; /* SRS use timestamp flag */ | |
| 881 | #endif | |
| 882 | extern BOOL strict_acl_vars; /* ACL variables have to be set before being used */ | |
| 883 | extern int string_datestamp_offset;/* After insertion by string_format */ | |
| 884 | extern int string_datestamp_length;/* After insertion by string_format */ | |
| 885 | extern int string_datestamp_type; /* After insertion by string_format */ | |
| 886 | extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */ | |
| 887 | extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */ | |
| 888 | extern uschar *submission_domain; /* Domain for submission mode */ | |
| 889 | extern BOOL submission_mode; /* Can be forced from ACL */ | |
| 890 | extern uschar *submission_name; /* User name set from ACL */ | |
| 891 | extern BOOL suppress_local_fixups; /* Can be forced from ACL */ | |
| 892 | extern BOOL suppress_local_fixups_default; /* former is reset to this; override with -G */ | |
| 893 | extern BOOL synchronous_delivery; /* TRUE if -odi is set */ | |
| 894 | extern BOOL syslog_duplication; /* FALSE => no duplicate logging */ | |
| 895 | extern int syslog_facility; /* As defined by Syslog.h */ | |
| 2813c06e | 896 | extern BOOL syslog_pid; /* TRUE if PID on syslogs */ |
| 420a0d19 CE |
897 | extern uschar *syslog_processname; /* 'ident' param to openlog() */ |
| 898 | extern BOOL syslog_timestamp; /* TRUE if time on syslogs */ | |
| 899 | extern uschar *system_filter; /* Name of system filter file */ | |
| 900 | ||
| 901 | extern uschar *system_filter_directory_transport; /* Transports for the */ | |
| 902 | extern uschar *system_filter_file_transport; /* system filter */ | |
| 903 | extern uschar *system_filter_pipe_transport; | |
| 904 | extern uschar *system_filter_reply_transport; | |
| 905 | ||
| 906 | extern gid_t system_filter_gid; /* Gid for running system filter */ | |
| 907 | extern BOOL system_filter_gid_set; /* TRUE if gid set */ | |
| 908 | extern uid_t system_filter_uid; /* Uid for running system filter */ | |
| 909 | extern BOOL system_filter_uid_set; /* TRUE if uid set */ | |
| 910 | extern BOOL system_filtering; /* TRUE when running system filter */ | |
| 911 | ||
| 2813c06e | 912 | extern BOOL tcp_fastopen_ok; /* appears to be supported by kernel */ |
| 420a0d19 CE |
913 | extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */ |
| 914 | #ifdef USE_TCP_WRAPPERS | |
| 915 | extern uschar *tcp_wrappers_daemon_name; /* tcpwrappers daemon lookup name */ | |
| 916 | #endif | |
| 917 | extern int test_harness_load_avg; /* For use when testing */ | |
| 918 | extern int thismessage_size_limit; /* Limit for this message */ | |
| 919 | extern int timeout_frozen_after; /* Max time to keep frozen messages */ | |
| 920 | extern BOOL timestamps_utc; /* Use UTC for all times */ | |
| 921 | ||
| 420a0d19 CE |
922 | extern uschar *transport_name; /* Name of transport last started */ |
| 923 | extern int transport_count; /* Count of bytes transported */ | |
| 924 | extern int transport_newlines; /* Accurate count of number of newline chars transported */ | |
| 2813c06e | 925 | extern const uschar **transport_filter_argv; /* For on-the-fly filtering */ |
| 420a0d19 CE |
926 | extern int transport_filter_timeout; /* Timeout for same */ |
| 927 | extern BOOL transport_filter_timed_out; /* True if it did */ | |
| 928 | ||
| 929 | extern transport_info transports_available[]; /* Vector of available transports */ | |
| 930 | extern transport_instance *transports; /* Chain of instantiated transports */ | |
| 931 | extern transport_instance transport_defaults; /* Default values */ | |
| 932 | ||
| 933 | extern int transport_write_timeout;/* Set to time out individual writes */ | |
| 934 | ||
| 935 | extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */ | |
| 936 | extern tree_node *tree_duplicates; /* Tree of duplicate addresses */ | |
| 937 | extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */ | |
| 938 | extern tree_node *tree_unusable; /* Tree of unusable addresses */ | |
| 939 | ||
| 940 | extern BOOL trusted_caller; /* Caller is trusted */ | |
| 941 | extern BOOL trusted_config; /* Configuration file is trusted */ | |
| 942 | extern gid_t *trusted_groups; /* List of trusted groups */ | |
| 943 | extern uid_t *trusted_users; /* List of trusted users */ | |
| 944 | extern uschar *timezone_string; /* Required timezone setting */ | |
| 945 | ||
| 946 | extern uschar *unknown_login; /* To use when login id unknown */ | |
| 947 | extern uschar *unknown_username; /* Ditto */ | |
| 948 | extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */ | |
| 949 | extern uschar *uucp_from_pattern; /* For recognizing "From " lines */ | |
| 950 | extern uschar *uucp_from_sender; /* For building the sender */ | |
| 951 | ||
| 952 | extern uschar *warn_message_file; /* Template for warning messages */ | |
| 953 | extern uschar *warnmsg_delay; /* String form of delay time */ | |
| 954 | extern uschar *warnmsg_recipients; /* Recipients of warning message */ | |
| 955 | extern BOOL write_rejectlog; /* Control of reject logging */ | |
| 956 | ||
| 2813c06e | 957 | extern uschar *verify_mode; /* Running a router in verify mode */ |
| 420a0d19 CE |
958 | extern uschar *version_copyright; /* Copyright notice */ |
| 959 | extern uschar *version_date; /* Date of compilation */ | |
| 960 | extern uschar *version_cnumber; /* Compile number */ | |
| 961 | extern uschar *version_string; /* Version string */ | |
| 962 | ||
| 963 | extern int warning_count; /* Delay warnings sent for this msg */ | |
| 964 | ||
| 965 | /* End of globals.h */ |