src/src/globals.h

   1 /* $Cambridge: exim/src/src/globals.h,v 1.44 2007/01/18 15:35:42 ph10 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2007 */
   8 /* See the file NOTICE for conditions of use and distribution. */
   9
  10 /* Almost all the global variables are defined together in this one header, so
  11 that they are easy to find. However, those that are visible during the
  12 compilation of the local_scan() function are defined separately in the
  13 local_scan.h header file. */
  14
  15 /* First put any specials that are required for some operating systems. */
  16
  17 #ifdef NEED_H_ERRNO
  18 extern int h_errno;
  19 #endif
  20
  21 /* Now things that are present only when configured. */
  22
  23 #ifdef EXIM_PERL
  24 extern uschar *opt_perl_startup;       /* Startup code for Perl interpreter */
  25 extern BOOL    opt_perl_at_start;      /* Start Perl interpreter at start */
  26 extern BOOL    opt_perl_started;       /* Set once interpreter started */
  27 #endif
  28
  29 #ifdef EXPAND_DLFUNC
  30 extern tree_node *dlobj_anchor;        /* Tree of dynamically-loaded objects */
  31 #endif
  32
  33 #ifdef LOOKUP_IBASE
  34 extern uschar *ibase_servers;
  35 #endif
  36
  37 #ifdef LOOKUP_LDAP
  38 extern uschar *eldap_default_servers;  /* List of default servers */
  39 extern int     eldap_version;          /* LDAP version */
  40 #endif
  41
  42 #ifdef LOOKUP_MYSQL
  43 extern uschar *mysql_servers;          /* List of servers and connect info */
  44 #endif
  45
  46 #ifdef LOOKUP_ORACLE
  47 extern uschar *oracle_servers;         /* List of servers and connect info */
  48 #endif
  49
  50 #ifdef LOOKUP_PGSQL
  51 extern uschar *pgsql_servers;          /* List of servers and connect info */
  52 #endif
  53
  54 #ifdef LOOKUP_SQLITE
  55 extern int     sqlite_lock_timeout;    /* Internal lock waiting timeout */
  56 #endif
  57
  58 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  59 extern BOOL    move_frozen_messages;   /* Get them out of the normal directory */
  60 #endif
  61
  62 /* These variables are outside the #ifdef because it keeps the code less
  63 cluttered in several places (e.g. during logging) if we can always refer to
  64 them. Also, the tls_ variables are now always visible. */
  65
  66 extern int     tls_active;             /* fd/socket when in a TLS session */
  67 extern BOOL    tls_certificate_verified; /* Client certificate verified */
  68 extern uschar *tls_cipher;             /* Cipher used */
  69 extern BOOL    tls_on_connect;         /* For older MTAs that don't STARTTLS */
  70 extern uschar *tls_on_connect_ports;   /* Ports always tls-on-connect */
  71 extern uschar *tls_peerdn;             /* DN from peer */
  72
  73 #ifdef SUPPORT_TLS
  74 extern uschar *gnutls_require_mac;     /* So some can be avoided */
  75 extern uschar *gnutls_require_kx;      /* So some can be avoided */
  76 extern uschar *gnutls_require_proto;   /* So some can be avoided */
  77 extern const pcre *regex_STARTTLS;     /* For recognizing STARTTLS settings */
  78 extern uschar *tls_advertise_hosts;    /* host for which TLS is advertised */
  79 extern uschar *tls_certificate;        /* Certificate file */
  80 extern uschar *tls_crl;                /* CRL File */
  81 extern uschar *tls_dhparam;            /* DH param file */
  82 extern BOOL    tls_offered;            /* Server offered TLS */
  83 extern uschar *tls_privatekey;         /* Private key file */
  84 extern BOOL    tls_remember_esmtp;     /* For YAEB */
  85 extern uschar *tls_require_ciphers;    /* So some can be avoided */
  86 extern uschar *tls_try_verify_hosts;   /* Optional client verification */
  87 extern uschar *tls_verify_certificates;/* Path for certificates to check */
  88 extern uschar *tls_verify_hosts;       /* Mandatory client verification */
  89 #endif
  90
  91
  92 /* Input-reading functions for messages, so we can use special ones for
  93 incoming TCP/IP. */
  94
  95 extern int (*receive_getc)(void);
  96 extern int (*receive_ungetc)(int);
  97 extern int (*receive_feof)(void);
  98 extern int (*receive_ferror)(void);
  99
 100
 101 /* For clearing, saving, restoring address expansion variables. We have to have
 102 the size of this vector set explicitly, because it is referenced from more than
 103 one module. */
 104
 105 extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
 106
 107 /* General global variables */
 108
 109 extern BOOL    accept_8bitmime;        /* Allow *BITMIME incoming */
 110 extern header_line *acl_added_headers; /* Headers added by an ACL */
 111 extern tree_node *acl_anchor;          /* Tree of named ACLs */
 112 extern uschar *acl_not_smtp;           /* ACL run for non-SMTP messages */
 113 #ifdef WITH_CONTENT_SCAN
 114 extern uschar *acl_not_smtp_mime;      /* For MIME parts of ditto */
 115 #endif
 116 extern uschar *acl_not_smtp_start;     /* ACL run at the beginning of a non-SMTP session */
 117 extern uschar *acl_smtp_auth;          /* ACL run for AUTH */
 118 extern uschar *acl_smtp_connect;       /* ACL run on SMTP connection */
 119 extern uschar *acl_smtp_data;          /* ACL run after DATA received */
 120 extern uschar *acl_smtp_etrn;          /* ACL run for ETRN */
 121 extern uschar *acl_smtp_expn;          /* ACL run for EXPN */
 122 extern uschar *acl_smtp_helo;          /* ACL run for HELO/EHLO */
 123 extern uschar *acl_smtp_mail;          /* ACL run for MAIL */
 124 extern uschar *acl_smtp_mailauth;      /* ACL run for MAIL AUTH */
 125 #ifdef WITH_CONTENT_SCAN
 126 extern uschar *acl_smtp_mime;          /* ACL run after DATA, before acl_smtp_data, for each MIME part */
 127 #endif
 128 extern uschar *acl_smtp_predata;       /* ACL run for DATA command */
 129 extern uschar *acl_smtp_quit;          /* ACL run for QUIT */
 130 extern uschar *acl_smtp_rcpt;          /* ACL run for RCPT */
 131 extern uschar *acl_smtp_starttls;      /* ACL run for STARTTLS */
 132 extern uschar *acl_smtp_vrfy;          /* ACL run for VRFY */
 133 extern BOOL    acl_temp_details;       /* TRUE to give details for 4xx error */
 134 extern tree_node *acl_var_c;           /* ACL connection variables */
 135 extern tree_node *acl_var_m;           /* ACL messsage variables */
 136 extern uschar *acl_verify_message;     /* User message for verify failure */
 137 extern string_item *acl_warn_logged;   /* Logged lines */
 138 extern uschar *acl_wherecodes[];       /* Response codes for ACL fails */
 139 extern uschar *acl_wherenames[];       /* Names for messages */
 140 extern BOOL    active_local_from_check;/* For adding Sender: (switchable) */
 141 extern BOOL    active_local_sender_retain; /* For keeping Sender: (switchable) */
 142 extern address_item *addr_duplicate;   /* Duplicate address list */
 143 extern address_item address_defaults;  /* Default data for address item */
 144 extern uschar *address_file;           /* Name of file when delivering to one */
 145 extern uschar *address_pipe;           /* Pipe command when delivering to one */
 146 extern BOOL    address_test_mode;      /* True for -bt */
 147 extern tree_node *addresslist_anchor;  /* Tree of defined address lists */
 148 extern int     addresslist_count;      /* Number defined */
 149 extern gid_t  *admin_groups;           /* List of admin groups */
 150 extern BOOL    admin_user;             /* True if caller can do admin */
 151 extern BOOL    allow_auth_unadvertised;/* As it says */
 152 extern BOOL    allow_domain_literals;  /* As it says */
 153 extern BOOL    allow_mx_to_ip;         /* Allow MX records to -> ip address */
 154 extern BOOL    allow_unqualified_recipient; /* As it says */
 155 extern BOOL    allow_unqualified_sender; /* Ditto */
 156 extern BOOL    allow_utf8_domains;     /* For experimenting */
 157 extern uschar *authenticated_id;       /* ID that was authenticated */
 158 extern uschar *authenticated_sender;   /* From AUTH on MAIL */
 159 extern BOOL    authentication_failed;  /* TRUE if AUTH was tried and failed */
 160 extern uschar *auth_advertise_hosts;   /* Only advertise to these */
 161 extern auth_info auths_available[];    /* Vector of available auth mechanisms */
 162 extern auth_instance *auths;           /* Chain of instantiated auths */
 163 extern auth_instance auth_defaults;    /* Default values */
 164 extern uschar *auth_defer_msg;         /* Error message for log */
 165 extern uschar *auth_defer_user_msg;    /* Error message for user */
 166 extern uschar *auth_vars[];            /* $authn variables */
 167 extern int     auto_thaw;              /* Auto-thaw interval */
 168 #ifdef WITH_CONTENT_SCAN
 169 extern uschar *av_scanner;             /* AntiVirus scanner to use for the malware condition */
 170 #endif
 171
 172 extern BOOL    background_daemon;      /* Set FALSE to keep in foreground */
 173 extern uschar *base62_chars;           /* Table of base-62 characters */
 174 extern uschar *bi_command;             /* Command for -bi option */
 175 extern uschar *big_buffer;             /* Used for various temp things */
 176 extern int     big_buffer_size;        /* Current size (can expand) */
 177 #ifdef EXPERIMENTAL_BRIGHTMAIL
 178 extern uschar *bmi_alt_location;       /* expansion variable that contains the alternate location for the rcpt (available during routing) */
 179 extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
 180 extern uschar *bmi_base64_verdict;     /* expansion variable with base-64 encoded verdict string (available during routing) */
 181 extern uschar *bmi_config_file;        /* Brightmail config file */
 182 extern int     bmi_deliver;            /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
 183 extern int     bmi_run;                /* Flag that determines if message should be run through Brightmail server */
 184 extern uschar *bmi_verdicts;           /* BASE64-encoded verdicts with recipient lists */
 185 #endif
 186 extern int     body_linecount;         /* Line count in body */
 187 extern int     body_zerocount;         /* Binary zero count in body */
 188 extern uschar *bounce_message_file;    /* Template file */
 189 extern uschar *bounce_message_text;    /* One-liner */
 190 extern uschar *bounce_recipient;       /* When writing an errmsg */
 191 extern BOOL    bounce_return_body;     /* Include body in returned message */
 192 extern BOOL    bounce_return_message;  /* Include message in bounce */
 193 extern int     bounce_return_size_limit; /* Max amount to return */
 194 extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
 195 extern int     bsmtp_transaction_linecount; /* Start of last transaction */
 196
 197 extern int     callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
 198 extern int     callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
 199 extern int     callout_cache_positive_expire; /* Time for positive callout cache records to expire */
 200 extern int     callout_cache_negative_expire; /* Time for negative callout cache records to expire */
 201 extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
 202 extern uschar *check_dns_names_pattern;/* Regex for syntax check */
 203 extern int     check_log_inodes;       /* Minimum for message acceptance */
 204 extern int     check_log_space;        /* Minimum for message acceptance */
 205 extern BOOL    check_rfc2047_length;   /* Check RFC 2047 encoded string length */
 206 extern int     check_spool_inodes;     /* Minimum for message acceptance */
 207 extern int     check_spool_space;      /* Minimum for message acceptance */
 208 extern int     clmacro_count;          /* Number of command line macros */
 209 extern uschar *clmacros[];             /* Copy of them, for re-exec */
 210 extern int     connection_max_messages;/* Max down one SMTP connection */
 211 extern BOOL    config_changed;         /* True if -C used */
 212 extern FILE   *config_file;            /* Configuration file */
 213 extern uschar *config_filename;        /* Configuration file name */
 214 #ifdef CONFIGURE_GROUP
 215 extern gid_t   config_gid;             /* Additional group owner */
 216 #endif
 217 extern int     config_lineno;          /* Line number */
 218 extern uschar *config_main_filelist;   /* List of possible config files */
 219 extern uschar *config_main_filename;   /* File name actually used */
 220 #ifdef CONFIGURE_OWNER
 221 extern uid_t   config_uid;             /* Additional owner */
 222 #endif
 223 extern uschar *continue_hostname;      /* Host for continued delivery */
 224 extern uschar *continue_host_address;  /* IP address for ditto */
 225 extern BOOL    continue_more;          /* Flag more addresses waiting */
 226 extern int     continue_sequence;      /* Sequence num for continued delivery */
 227 extern uschar *continue_transport;     /* Transport for continued delivery */
 228
 229 extern uschar *csa_status;             /* Client SMTP Authorization result */
 230
 231 extern BOOL    daemon_listen;          /* True if listening required */
 232 extern uschar *daemon_smtp_port;       /* Can be a list of ports */
 233 extern int     daemon_startup_retries; /* Number of times to retry */
 234 extern int     daemon_startup_sleep;   /* Sleep between retries */
 235 extern BOOL    debug_daemon;           /* Debug the daemon process only */
 236 extern int     debug_fd;               /* The fd for debug_file */
 237 extern FILE   *debug_file;             /* Where to write debugging info */
 238 extern bit_table debug_options[];      /* Table of debug options */
 239 extern int     debug_options_count;    /* Size of table */
 240 extern int     delay_warning[];        /* Times between warnings */
 241 extern uschar *delay_warning_condition; /* Condition string for warnings */
 242 extern BOOL    delivery_date_remove;   /* Remove delivery-date headers */
 243
 244 extern uschar *deliver_address_data;   /* Arbitrary data for an address */
 245 extern int     deliver_datafile;       /* FD for data part of message */
 246 extern uschar *deliver_domain;         /* The local domain for delivery */
 247 extern uschar *deliver_domain_data;    /* From domain lookup */
 248 extern uschar *deliver_domain_orig;    /* The original local domain for delivery */
 249 extern uschar *deliver_domain_parent;  /* The parent domain for delivery */
 250 extern BOOL    deliver_drop_privilege; /* TRUE for unprivileged delivery */
 251 extern BOOL    deliver_firsttime;      /* True for first delivery attempt */
 252 extern BOOL    deliver_force;          /* TRUE if delivery was forced */
 253 extern BOOL    deliver_freeze;         /* TRUE if delivery is frozen */
 254 extern int     deliver_frozen_at;      /* Time of freezing */
 255 extern uschar *deliver_home;           /* Home directory for pipes */
 256 extern uschar *deliver_host;           /* (First) host for routed local deliveries */
 257                                        /* Remote host for filter */
 258 extern uschar *deliver_host_address;   /* Address for remote delivery filter */
 259 extern uschar *deliver_in_buffer;      /* Buffer for copying file */
 260 extern ino_t   deliver_inode;          /* Inode for appendfile */
 261 extern uschar *deliver_localpart;      /* The local part for delivery */
 262 extern uschar *deliver_localpart_data; /* From local part lookup */
 263 extern uschar *deliver_localpart_orig; /* The original local part for delivery */
 264 extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
 265 extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
 266 extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
 267 extern BOOL    deliver_force_thaw;     /* TRUE to force thaw in queue run */
 268 extern BOOL    deliver_manual_thaw;    /* TRUE if manually thawed */
 269 extern uschar *deliver_out_buffer;     /* Buffer for copying file */
 270 extern int     deliver_queue_load_max; /* Different value for queue running */
 271 extern address_item *deliver_recipients; /* Current set of addresses */
 272 extern uschar *deliver_selectstring;   /* For selecting by recipient */
 273 extern BOOL    deliver_selectstring_regex; /* String is regex */
 274 extern uschar *deliver_selectstring_sender; /* For selecting by sender */
 275 extern BOOL    deliver_selectstring_sender_regex; /* String is regex */
 276 #ifdef WITH_OLD_DEMIME
 277 extern int     demime_errorlevel;      /* Severity of MIME error */
 278 extern int     demime_ok;              /* Nonzero if message has been demimed */
 279 extern uschar *demime_reason;          /* Reason for broken MIME container */
 280 #endif
 281 extern BOOL    disable_ipv6;           /* Don't do any IPv6 things */
 282 extern BOOL    disable_logging;        /* Disables log writing when TRUE */
 283
 284 #ifdef EXPERIMENTAL_DOMAINKEYS
 285 extern uschar *dk_signing_domain;      /* Domain used for signing a message. */
 286 extern uschar *dk_signing_selector;    /* Selector used for signing a message. */
 287 extern int     dk_do_verify;           /* DK verification switch. Set with ACL control statement. */
 288 #endif
 289
 290 extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
 291 extern int     dns_csa_search_limit;   /* How deep to search for CSA SRV records */
 292 extern BOOL    dns_csa_use_reverse;    /* Check CSA in reverse DNS? (non-standard) */
 293 extern uschar *dns_ipv4_lookup;        /* For these domains, don't look for AAAA (or A6) */
 294 extern int     dns_retrans;            /* Retransmission time setting */
 295 extern int     dns_retry;              /* Number of retries */
 296 extern uschar *dnslist_domain;         /* DNS (black) list domain */
 297 extern uschar *dnslist_text;           /* DNS (black) list text message */
 298 extern uschar *dnslist_value;          /* DNS (black) list IP address */
 299 extern tree_node *domainlist_anchor;   /* Tree of defined domain lists */
 300 extern int     domainlist_count;       /* Number defined */
 301 extern BOOL    dont_deliver;           /* TRUE for -N option */
 302 extern BOOL    dot_ends;               /* TRUE if "." ends non-SMTP input */
 303
 304 /* This option is now a no-opt, retained for compatibility */
 305 extern BOOL    drop_cr;                /* For broken local MUAs */
 306
 307 extern BOOL    enable_dollar_recipients; /* Make $recipients available */
 308 extern int     envelope_to_remove;     /* Remove envelope_to_headers */
 309 extern int     errno_quota;            /* Quota errno in this OS */
 310 extern int     error_handling;         /* Error handling style */
 311 extern uschar *errors_copy;            /* For taking copies of errors */
 312 extern uschar *errors_reply_to;        /* Reply-to for error messages */
 313 extern int     errors_sender_rc;       /* Return after message to sender*/
 314 extern gid_t   exim_gid;               /* To be used with exim_uid */
 315 extern BOOL    exim_gid_set;           /* TRUE if exim_gid set */
 316 extern uschar *exim_path;              /* Path to exec exim */
 317 extern uid_t   exim_uid;               /* Non-root uid for exim */
 318 extern BOOL    exim_uid_set;           /* TRUE if exim_uid set */
 319 extern int     expand_forbid;          /* RDO flags for forbidding things */
 320 extern int     expand_nlength[];       /* Lengths of numbered strings */
 321 extern int     expand_nmax;            /* Max numerical value */
 322 extern uschar *expand_nstring[];       /* Numbered strings */
 323 extern BOOL    expand_string_forcedfail; /* TRUE if failure was "expected" */
 324 extern BOOL    extract_addresses_remove_arguments; /* Controls -t behaviour */
 325 extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
 326
 327 extern int     fake_response;          /* Fake FAIL or DEFER response to data */
 328 extern uschar *fake_response_text;     /* User defined message for the above. Default is in globals.c. */
 329 extern int     filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
 330 extern BOOL    filter_running;         /* TRUE while running a filter */
 331 extern int     filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
 332 extern int     filter_test;            /* Filter test type */
 333 extern uschar *filter_test_sfile;      /* System filter test file */
 334 extern uschar *filter_test_ufile;      /* User filter test file */
 335 extern uschar *filter_thisaddress;     /* For address looping */
 336 extern int     finduser_retries;       /* Retry count for getpwnam() */
 337 extern uid_t   fixed_never_users[];    /* Can't be overridden */
 338 #ifdef WITH_OLD_DEMIME
 339 extern uschar *found_extension;        /* demime acl condition: file extension found */
 340 #endif
 341 extern uschar *freeze_tell;            /* Message on (some) freezings */
 342 extern uschar *freeze_tell_config;     /* The configured setting */
 343 extern uschar *fudged_queue_times;     /* For use in test harness */
 344
 345 extern uschar *gecos_name;             /* To be expanded when pattern matches */
 346 extern uschar *gecos_pattern;          /* Pattern to match */
 347 extern rewrite_rule *global_rewrite_rules;  /* Chain of rewriting rules */
 348
 349 extern int     header_insert_maxlen;   /* Max for inserting headers */
 350 extern int     header_maxsize;         /* Max total length for header */
 351 extern int     header_line_maxsize;    /* Max for an individual line */
 352 extern header_name header_names[];     /* Table of header names */
 353 extern int     header_names_size;      /* Number of entries */
 354 extern BOOL    header_rewritten;       /* TRUE if header changed by router */
 355 extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
 356 extern uschar *helo_allow_chars;       /* Rogue chars to allow in HELO/EHLO */
 357 extern uschar *helo_lookup_domains;    /* If these given, lookup host name */
 358 extern uschar *helo_try_verify_hosts;  /* Soft check HELO argument for these */
 359 extern BOOL    helo_verified;          /* True if HELO verified */
 360 extern BOOL    helo_verify_failed;     /* True if attempt failed */
 361 extern uschar *helo_verify_hosts;      /* Hard check HELO argument for these */
 362 extern uschar *hex_digits;             /* Used in several places */
 363 extern uschar *hold_domains;           /* Hold up deliveries to these */
 364 extern BOOL    host_find_failed_syntax;/* DNS syntax check failure */
 365 extern BOOL    host_checking_callout;  /* TRUE if real callout wanted */
 366 extern uschar *host_data;              /* Obtained from lookup in ACL */
 367 extern uschar *host_lookup;            /* For which IP addresses are always looked up */
 368 extern BOOL    host_lookup_deferred;   /* TRUE if lookup deferred */
 369 extern BOOL    host_lookup_failed;     /* TRUE if lookup failed */
 370 extern uschar *host_lookup_order;      /* Order of host lookup types */
 371 extern uschar *host_lookup_msg;        /* Text for why it failed */
 372 extern int     host_number;            /* For sharing spools */
 373 extern uschar *host_number_string;     /* For expanding */
 374 extern uschar *host_reject_connection; /* Reject these hosts */
 375 extern tree_node *hostlist_anchor;     /* Tree of defined host lists */
 376 extern int     hostlist_count;         /* Number defined */
 377 extern uschar *hosts_connection_nolog; /* Limits the logging option */
 378 extern uschar *hosts_treat_as_local;   /* For routing */
 379
 380 extern int     ignore_bounce_errors_after; /* Keep them for this time. */
 381 extern BOOL    ignore_fromline_local;  /* Local SMTP ignore fromline */
 382 extern uschar *ignore_fromline_hosts;  /* Hosts permitted to send "From " */
 383 extern BOOL    is_inetd;               /* True for inetd calls */
 384
 385 extern int     journal_fd;             /* Fd for journal file */
 386
 387 extern int     keep_malformed;         /* Time to keep malformed messages */
 388
 389 extern uschar *eldap_dn;               /* Where LDAP DNs are left */
 390 extern int     load_average;           /* Most recently read load average */
 391 extern BOOL    local_error_message;    /* True if handling one of these */
 392 extern BOOL    local_from_check;       /* For adding Sender: (global value) */
 393 extern uschar *local_from_prefix;      /* Permitted prefixes */
 394 extern uschar *local_from_suffix;      /* Permitted suffixes */
 395 extern uschar *local_interfaces;       /* For forcing specific interfaces */
 396 extern uschar *local_scan_data;        /* Text returned by local_scan() */
 397 extern optionlist local_scan_options[];/* Option list for local_scan() */
 398 extern int     local_scan_options_count; /* Size of the list */
 399 extern int     local_scan_timeout;     /* Timeout for local_scan() */
 400 extern BOOL    local_sender_retain;    /* Retain Sender: (with no From: check) */
 401 extern gid_t   local_user_gid;         /* As it says; may be set in routers */
 402 extern uid_t   local_user_uid;         /* As it says; may be set in routers */
 403 extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
 404 extern int     localpartlist_count;    /* Number defined */
 405 extern uschar *log_buffer;             /* For constructing log entries */
 406 extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
 407 extern uschar *log_file_path;          /* If unset, use default */
 408 extern bit_table log_options[];        /* Table of options */
 409 extern int     log_options_count;      /* Size of table */
 410 extern int     log_reject_target;      /* Target log for ACL rejections */
 411 extern uschar *log_selector_string;    /* As supplied in the config */
 412 extern FILE   *log_stderr;             /* Copy of stderr for log use, or NULL */
 413 extern BOOL    log_testing_mode;       /* TRUE in various testing modes */
 414 extern BOOL    log_timezone;           /* TRUE to include the timezone in log lines */
 415 extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
 416 extern uschar *login_sender_address;   /* The actual sender address */
 417 extern lookup_info lookup_list[];      /* Vector of available lookups */
 418 extern int     lookup_list_count;      /* Number of entries in the list */
 419 extern int     lookup_open_max;        /* Max lookup files to cache */
 420 extern uschar *lookup_value;           /* Value looked up from file */
 421
 422 extern macro_item *macros;             /* Configuration macros */
 423 extern uschar *mailstore_basename;     /* For mailstore deliveries */
 424 #ifdef WITH_CONTENT_SCAN
 425 extern uschar *malware_name;           /* Name of virus or malware ("W32/Klez-H") */
 426 #endif
 427 extern int     max_username_length;    /* For systems with broken getpwnam() */
 428 extern int     message_age;            /* In seconds */
 429 extern uschar *message_body;           /* Start of message body for filter */
 430 extern uschar *message_body_end;       /* End of message body for filter */
 431 extern int     message_body_size;      /* Sic */
 432 extern int     message_body_visible;   /* Amount visible in message_body */
 433 extern int     message_ended;          /* State of message reading and how ended */
 434 extern uschar *message_headers;        /* When built */
 435 extern uschar  message_id_option[];    /* -E<message-id> for use as option */
 436 extern uschar *message_id_external;    /* External form of following */
 437 extern uschar *message_id_domain;      /* Expanded to form domain-part of message_id */
 438 extern uschar *message_id_text;        /* Expanded to form message_id */
 439 extern struct timeval message_id_tv;   /* Time used to create last message_id */
 440 extern int     message_linecount;      /* As it says */
 441 extern BOOL    message_logs;           /* TRUE to write message logs */
 442 extern int     message_size;           /* Size of message */
 443 extern uschar *message_size_limit;     /* As it says */
 444 extern uschar  message_subdir[];       /* Subdirectory for messages */
 445 extern uschar *message_reference;      /* Reference for error messages */
 446
 447 /* MIME ACL expandables */
 448 #ifdef WITH_CONTENT_SCAN
 449 extern int     mime_anomaly_level;
 450 extern uschar *mime_anomaly_text;
 451 extern uschar *mime_boundary;
 452 extern uschar *mime_charset;
 453 extern uschar *mime_content_description;
 454 extern uschar *mime_content_disposition;
 455 extern uschar *mime_content_id;
 456 extern unsigned int mime_content_size;
 457 extern uschar *mime_content_transfer_encoding;
 458 extern uschar *mime_content_type;
 459 extern uschar *mime_decoded_filename;
 460 extern uschar *mime_filename;
 461 extern int     mime_is_multipart;
 462 extern int     mime_is_coverletter;
 463 extern int     mime_is_rfc822;
 464 extern int     mime_part_count;
 465 #endif
 466
 467 extern BOOL    mua_wrapper;            /* TRUE when Exim is wrapping an MUA */
 468
 469 extern uid_t  *never_users;            /* List of uids never to be used */
 470 #ifdef WITH_CONTENT_SCAN
 471 extern BOOL    no_mbox_unspool;        /* don't unlink files in /scan directory */
 472 #endif
 473 extern BOOL    no_multiline_responses; /* For broken clients */
 474
 475 extern optionlist optionlist_auths[];      /* These option lists are made */
 476 extern int     optionlist_auths_size;      /* global so that readconf can */
 477 extern optionlist optionlist_routers[];    /* see them for printing out   */
 478 extern int     optionlist_routers_size;    /* the options.                */
 479 extern optionlist optionlist_transports[];
 480 extern int     optionlist_transports_size;
 481
 482 extern uid_t   original_euid;          /* Original effective uid */
 483 extern gid_t   originator_gid;         /* Gid of whoever wrote spool file */
 484 extern uschar *originator_login;       /* Login of same */
 485 extern uschar *originator_name;        /* Full name of same */
 486 extern uid_t   originator_uid;         /* Uid of ditto */
 487 extern uschar *override_local_interfaces; /* Value of -oX argument */
 488 extern uschar *override_pid_file_path; /* Value of -oP argument */
 489
 490 extern BOOL    parse_allow_group;      /* Allow group syntax */
 491 extern BOOL    parse_found_group;      /* In the middle of a group */
 492 extern uschar *percent_hack_domains;   /* Local domains for which '% operates */
 493 extern uschar *pid_file_path;          /* For writing daemon pids */
 494 extern uschar *pipelining_advertise_hosts; /* As it says */
 495 extern BOOL    preserve_message_logs;  /* Save msglog files */
 496 extern uschar *primary_hostname;       /* Primary name of this computer */
 497 extern BOOL    print_topbitchars;      /* Topbit chars are printing chars */
 498 extern uschar  process_info[];         /* For SIGUSR1 output */
 499 extern uschar *process_log_path;       /* Alternate path */
 500 extern BOOL    prod_requires_admin;    /* TRUE if prodding requires admin */
 501 extern uschar *prvscheck_address;      /* Set during prvscheck expansion item */
 502 extern uschar *prvscheck_keynum;       /* Set during prvscheck expansion item */
 503 extern uschar *prvscheck_result;       /* Set during prvscheck expansion item */
 504
 505 extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
 506 extern uschar *qualify_domain_sender;  /* Domain to qualify senders with */
 507 extern BOOL    queue_2stage;           /* Run queue in 2-stage manner */
 508 extern uschar *queue_domains;          /* Queue these domains */
 509 extern BOOL    queue_list_requires_admin; /* TRUE if -bp requires admin */
 510 extern BOOL    queue_run_first_delivery; /* If TRUE, first deliveries only */
 511 extern BOOL    queue_run_force;        /* TRUE to force during queue run */
 512 extern BOOL    queue_run_local;        /* Local deliveries only in queue run */
 513 extern BOOL    queue_running;          /* TRUE for queue running process and */
 514                                        /*   immediate children */
 515 extern pid_t   queue_run_pid;          /* PID of the queue running process or 0 */
 516 extern int     queue_run_pipe;         /* Pipe for synchronizing */
 517 extern int     queue_interval;         /* Queue running interval */
 518 extern BOOL    queue_only;             /* TRUE to disable immediate delivery */
 519 extern int     queue_only_load;        /* Max load before auto-queue */
 520 extern uschar *queue_only_file;        /* Queue if file exists/not-exists */
 521 extern BOOL    queue_only_override;    /* Allow override from command line */
 522 extern BOOL    queue_only_policy;      /* ACL or local_scan wants queue_only */
 523 extern BOOL    queue_run_in_order;     /* As opposed to random */
 524 extern int     queue_run_max;          /* Max queue runners */
 525 extern BOOL    queue_smtp;             /* Disable all immediate STMP (-odqs)*/
 526 extern uschar *queue_smtp_domains;     /* Ditto, for these domains */
 527
 528 extern unsigned int random_seed;       /* Seed for random numbers */
 529 extern tree_node *ratelimiters_cmd;    /* Results of command ratelimit checks */
 530 extern tree_node *ratelimiters_conn;   /* Results of connection ratelimit checks */
 531 extern tree_node *ratelimiters_mail;   /* Results of per-mail ratelimit checks */
 532 extern uschar *raw_active_hostname;    /* Pre-expansion */
 533 extern uschar *raw_sender;             /* Before rewriting */
 534 extern uschar **raw_recipients;        /* Before rewriting */
 535 extern int     raw_recipients_count;
 536 extern int     rcpt_count;             /* Count of RCPT commands in a message */
 537 extern int     rcpt_fail_count;        /* Those that got 5xx */
 538 extern int     rcpt_defer_count;       /* Those that got 4xx */
 539 extern gid_t   real_gid;               /* Real gid */
 540 extern uid_t   real_uid;               /* Real user running program */
 541 extern BOOL    really_exim;            /* FALSE in utilities */
 542 extern BOOL    receive_call_bombout;   /* Flag for crashing log */
 543 extern int     receive_linecount;      /* Mainly for BSMTP errors */
 544 extern int     receive_messagecount;   /* Mainly for BSMTP errors */
 545 extern int     receive_timeout;        /* For non-SMTP acceptance */
 546 extern int     received_count;         /* Count of Received: headers */
 547 extern uschar *received_for;           /* For "for" field */
 548 extern uschar *received_header_text;   /* Definition of Received: header */
 549 extern int     received_headers_max;   /* Max count of Received: headers */
 550 extern int     received_time;          /* Time the message was received */
 551 extern uschar *recipient_data;         /* lookup data for recipients */
 552 extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
 553 extern uschar *recipient_verify_failure; /* What went wrong */
 554 extern BOOL    recipients_discarded;   /* By an ACL */
 555 extern int     recipients_list_max;    /* Maximum number fitting in list */
 556 extern int     recipients_max;         /* Max permitted */
 557 extern int     recipients_max_reject;  /* If TRUE, reject whole message */
 558 extern const pcre *regex_AUTH;         /* For recognizing AUTH settings */
 559 extern const pcre  *regex_check_dns_names; /* For DNS name checking */
 560 extern const pcre  *regex_From;        /* For recognizing "From_" lines */
 561 extern const pcre  *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
 562 extern const pcre  *regex_PIPELINING;  /* For recognizing PIPELINING */
 563 extern const pcre  *regex_SIZE;        /* For recognizing SIZE settings */
 564 extern const pcre  *regex_smtp_code;   /* For recognizing SMTP codes */
 565 extern const pcre  *regex_ismsgid;     /* Compiled r.e. for message it */
 566 #ifdef WITH_CONTENT_SCAN
 567 extern uschar *regex_match_string;     /* regex that matched a line (regex ACL condition) */
 568 #endif
 569 extern int     remote_delivery_count;  /* Number of remote addresses */
 570 extern int     remote_max_parallel;    /* Maximum parallel delivery */
 571 extern uschar *remote_sort_domains;    /* Remote domain sorting order */
 572 extern retry_config *retries;          /* Chain of retry config information */
 573 extern int     retry_data_expire;      /* When to expire retry data */
 574 extern int     retry_interval_max;     /* Absolute maximum */
 575 extern int     retry_maximum_timeout;  /* The maximum timeout */
 576 extern uschar *return_path;            /* Return path for a message */
 577 extern BOOL    return_path_remove;     /* Remove return-path headers */
 578 extern int     rewrite_existflags;     /* Indicate which headers have rewrites */
 579 extern uschar *rfc1413_hosts;          /* RFC hosts */
 580 extern int     rfc1413_query_timeout;  /* Timeout on RFC 1413 calls */
 581 /* extern BOOL    rfc821_domains;  */       /* If set, syntax is 821, not 822 => being abolished */
 582 extern uid_t   root_uid;               /* The uid for root */
 583 extern router_info routers_available[];/* Vector of available routers */
 584 extern router_instance *routers;       /* Chain of instantiated routers */
 585 extern router_instance router_defaults;/* Default values */
 586 extern BOOL    running_in_test_harness; /*TRUE when running_status is patched */
 587 extern ip_address_item *running_interfaces; /* Host's running interfaces */
 588 extern uschar *running_status;         /* Flag string for testing */
 589 extern int     runrc;                  /* rc from ${run} */
 590
 591 extern uschar *search_error_message;   /* Details of lookup problem */
 592 extern BOOL    search_find_defer;      /* Set TRUE if lookup deferred */
 593 extern uschar *self_hostname;          /* Self host after routing->directors */
 594 extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
 595 extern uschar *sender_address_data;    /* address_data from sender verify */
 596 extern BOOL    sender_address_forced;  /* Set by -f */
 597 extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
 598 extern uschar *sender_data;            /* lookup result for senders */
 599 extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
 600 extern uschar *sender_fullhost;        /* Sender host name + address */
 601 extern uschar *sender_helo_name;       /* Host name from HELO/EHLO */
 602 extern uschar **sender_host_aliases;   /* Points to list of alias names */
 603 extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
 604 extern BOOL    sender_host_notsocket;  /* Set for -bs and -bS */
 605 extern BOOL    sender_host_unknown;    /* TRUE for -bs and -bS except inetd */
 606 extern uschar *sender_ident;           /* Sender identity via RFC 1413 */
 607 extern BOOL    sender_local;           /* TRUE for local senders */
 608 extern BOOL    sender_name_forced;     /* Set by -F */
 609 extern uschar *sender_rate;            /* Sender rate computed by ACL */
 610 extern uschar *sender_rate_limit;      /* Configured rate limit */
 611 extern uschar *sender_rate_period;     /* Configured smoothing period */
 612 extern uschar *sender_rcvhost;         /* Host data for Received: */
 613 extern BOOL    sender_set_untrusted;   /* Sender set by untrusted caller */
 614 extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
 615 extern uschar *sender_verify_failure;  /* What went wrong */
 616 extern address_item *sender_verified_list; /* Saved chain of sender verifies */
 617 extern address_item *sender_verified_failed; /* The one that caused denial */
 618 extern volatile BOOL sigalrm_seen;     /* Flag for sigalrm_handler */
 619 extern uschar **sighup_argv;           /* Args for re-execing after SIGHUP */
 620 extern int     smtp_accept_count;      /* Count of connections */
 621 extern BOOL    smtp_accept_keepalive;  /* Set keepalive on incoming */
 622 extern int     smtp_accept_max;        /* Max SMTP connections */
 623 extern int     smtp_accept_max_nonmail;/* Max non-mail commands in one con */
 624 extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
 625 extern int     smtp_accept_max_per_connection; /* Max msgs per connection */
 626 extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
 627 extern int     smtp_accept_queue;      /* Queue after so many connections */
 628 extern int     smtp_accept_queue_per_connection; /* Queue after so many msgs */
 629 extern int     smtp_accept_reserve;    /* Reserve these SMTP connections */
 630 extern uschar *smtp_active_hostname;   /* Hostname for this message */
 631 extern BOOL    smtp_authenticated;     /* Sending client has authenticated */
 632 extern uschar *smtp_banner;            /* Banner string (to be expanded) */
 633 extern BOOL    smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
 634 extern int     smtp_ch_index;          /* Index in smtp_connection_had */
 635 extern uschar *smtp_cmd_argument;      /* For all SMTP commands */
 636 extern uschar *smtp_cmd_buffer;        /* SMTP command buffer */
 637 extern time_t  smtp_connection_start;  /* Start time of SMTP connection */
 638 extern uschar  smtp_connection_had[];  /* Recent SMTP commands */
 639 extern int     smtp_connect_backlog;   /* Max backlog permitted */
 640 extern double  smtp_delay_mail;        /* Current MAIL delay */
 641 extern double  smtp_delay_rcpt;        /* Current RCPT delay */
 642 extern BOOL    smtp_enforce_sync;      /* Enforce sync rules */
 643 extern uschar *smtp_etrn_command;      /* Command to run */
 644 extern BOOL    smtp_etrn_serialize;    /* Only one at once */
 645 extern FILE   *smtp_in;                /* Incoming SMTP input file */
 646 extern int     smtp_load_reserve;      /* Only from reserved if load > this */
 647 extern int     smtp_mailcmd_count;     /* Count of MAIL commands */
 648 extern int     smtp_max_synprot_errors;/* Max syntax/protocol errors */
 649 extern int     smtp_max_unknown_commands; /* As it says */
 650 extern FILE   *smtp_out;               /* Incoming SMTP output file */
 651 extern uschar *smtp_ratelimit_hosts;   /* Rate limit these hosts */
 652 extern uschar *smtp_ratelimit_mail;    /* Parameters for MAIL limiting */
 653 extern uschar *smtp_ratelimit_rcpt;    /* Parameters for RCPT limiting */
 654 extern uschar *smtp_read_error;        /* Message for SMTP input error */
 655 extern int     smtp_receive_timeout;   /* Applies to each received line */
 656 extern uschar *smtp_reserve_hosts;     /* Hosts for reserved slots */
 657 extern BOOL    smtp_return_error_details; /* TRUE to return full info */
 658 extern int     smtp_rlm_base;          /* Base interval for MAIL rate limit */
 659 extern double  smtp_rlm_factor;        /* Factor for MAIL rate limit */
 660 extern int     smtp_rlm_limit;         /* Max delay */
 661 extern int     smtp_rlm_threshold;     /* Threshold for RCPT rate limit */
 662 extern int     smtp_rlr_base;          /* Base interval for RCPT rate limit */
 663 extern double  smtp_rlr_factor;        /* Factor for RCPT rate limit */
 664 extern int     smtp_rlr_limit;         /* Max delay */
 665 extern int     smtp_rlr_threshold;     /* Threshold for RCPT rate limit */
 666 extern BOOL    smtp_use_pipelining;    /* Global for passed connections */
 667 extern BOOL    smtp_use_size;          /* Global for passed connections */
 668
 669 #ifdef WITH_CONTENT_SCAN
 670 extern uschar *spamd_address;          /* address for the spamassassin daemon */
 671 extern uschar *spam_bar;               /* the spam "bar" (textual representation of spam_score) */
 672 extern uschar *spam_report;            /* the spamd report (multiline) */
 673 extern uschar *spam_score;             /* the spam score (float) */
 674 extern uschar *spam_score_int;         /* spam_score * 10 (int) */
 675 #endif
 676 #ifdef EXPERIMENTAL_SPF
 677 extern uschar *spf_header_comment;     /* spf header comment */
 678 extern uschar *spf_received;           /* SPF-Received: header */
 679 extern uschar *spf_result;             /* spf result in string form */
 680 extern uschar *spf_smtp_comment;       /* spf comment to include in SMTP reply */
 681 #endif
 682 extern BOOL    split_spool_directory;  /* TRUE to use multiple subdirs */
 683 extern uschar *spool_directory;        /* Name of spool directory */
 684 #ifdef EXPERIMENTAL_SRS
 685 extern uschar *srs_config;             /* SRS config secret:max age:hash length:use timestamp:use hash */
 686 extern uschar *srs_db_address;         /* SRS db address */
 687 extern uschar *srs_db_key;             /* SRS db key */
 688 extern int     srs_hashlength;         /* SRS hash length */
 689 extern int     srs_hashmin;            /* SRS minimum hash length */
 690 extern int     srs_maxage;             /* SRS max age */
 691 extern uschar *srs_orig_sender;        /* SRS original sender */
 692 extern uschar *srs_orig_recipient;     /* SRS original recipient */
 693 extern uschar *srs_recipient;          /* SRS recipient */
 694 extern uschar *srs_secrets;            /* SRS secrets list */
 695 extern uschar *srs_status;             /* SRS staus */
 696 extern BOOL    srs_usehash;            /* SRS use hash flag */
 697 extern BOOL    srs_usetimestamp;       /* SRS use timestamp flag */
 698 #endif
 699 extern BOOL    strict_acl_vars;        /* ACL variables have to be set before being used */
 700 extern int     string_datestamp_offset;/* After insertion by string_format */
 701 extern BOOL    strip_excess_angle_brackets; /* Surrounding route-addrs */
 702 extern BOOL    strip_trailing_dot;     /* Remove dots at ends of domains */
 703 extern uschar *submission_domain;      /* Domain for submission mode */
 704 extern BOOL    submission_mode;        /* Can be forced from ACL */
 705 extern uschar *submission_name;        /* User name set from ACL */
 706 extern BOOL    suppress_local_fixups;  /* Can be forced from ACL */
 707 extern BOOL    synchronous_delivery;   /* TRUE if -odi is set */
 708 extern BOOL    syslog_duplication;     /* FALSE => no duplicate logging */
 709 extern int     syslog_facility;        /* As defined by Syslog.h */
 710 extern uschar *syslog_processname;     /* 'ident' param to openlog() */
 711 extern BOOL    syslog_timestamp;       /* TRUE if time on syslogs */
 712 extern uschar *system_filter;          /* Name of system filter file */
 713
 714 extern uschar *system_filter_directory_transport;  /* Transports for the */
 715 extern uschar *system_filter_file_transport;       /* system filter */
 716 extern uschar *system_filter_pipe_transport;
 717 extern uschar *system_filter_reply_transport;
 718
 719 extern gid_t   system_filter_gid;      /* Gid for running system filter */
 720 extern BOOL    system_filter_gid_set;  /* TRUE if gid set */
 721 extern uid_t   system_filter_uid;      /* Uid for running system filter */
 722 extern BOOL    system_filter_uid_set;  /* TRUE if uid set */
 723 extern BOOL    system_filtering;       /* TRUE when running system filter */
 724
 725 extern BOOL    tcp_nodelay;            /* Controls TCP_NODELAY on daemon */
 726 extern int     thismessage_size_limit; /* Limit for this message */
 727 extern int     timeout_frozen_after;   /* Max time to keep frozen messages */
 728 extern BOOL    timestamps_utc;         /* Use UTC for all times */
 729 extern int     transport_count;        /* Count of bytes transported */
 730 extern uschar **transport_filter_argv; /* For on-the-fly filtering */
 731 extern int     transport_filter_timeout; /* Timeout for same */
 732 extern BOOL    transport_filter_timed_out; /* True if it did */
 733
 734 extern transport_info transports_available[]; /* Vector of available transports */
 735 extern transport_instance *transports; /* Chain of instantiated transports */
 736 extern transport_instance transport_defaults; /* Default values */
 737
 738 extern int     transport_write_timeout;/* Set to time out individual writes */
 739
 740 extern tree_node *tree_dns_fails;      /* Tree of DNS lookup failures */
 741 extern tree_node *tree_duplicates;     /* Tree of duplicate addresses */
 742 extern tree_node *tree_nonrecipients;  /* Tree of nonrecipient addresses */
 743 extern tree_node *tree_unusable;       /* Tree of unusable addresses */
 744
 745 extern BOOL    trusted_caller;         /* Caller is trusted */
 746 extern gid_t  *trusted_groups;         /* List of trusted groups */
 747 extern uid_t  *trusted_users;          /* List of trusted users */
 748 extern uschar *timezone_string;        /* Required timezone setting */
 749
 750 extern uschar *unknown_login;          /* To use when login id unknown */
 751 extern uschar *unknown_username;       /* Ditto */
 752 extern uschar *untrusted_set_sender;   /* Let untrusted users set these senders */
 753 extern uschar *uucp_from_pattern;      /* For recognizing "From " lines */
 754 extern uschar *uucp_from_sender;       /* For building the sender */
 755
 756 extern uschar *warn_message_file;      /* Template for warning messages */
 757 extern uschar *warnmsg_delay;          /* String form of delay time */
 758 extern uschar *warnmsg_recipients;     /* Recipients of warning message */
 759 extern BOOL    write_rejectlog;        /* Control of reject logging */
 760
 761 extern uschar *version_copyright;      /* Copyright notice */
 762 extern uschar *version_date;           /* Date of compilation */
 763 extern uschar *version_cnumber;        /* Compile number */
 764 extern uschar *version_string;         /* Version string */
 765
 766 extern int     warning_count;          /* Delay warnings sent for this msg */
 767
 768 /* End of globals.h */