* Exim - an Internet mail transport agent *
*************************************************/
+/* Copyright (c) The Exim Maintainers 2020 - 2022 */
/* Copyright (c) University of Cambridge 1995 - 2018 */
-/* Copyright (c) The Exim Maintainers 2020 */
/* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-only */
/* Almost all the global variables are defined together in this one header, so
that they are easy to find. However, those that are visible during the
extern BOOL move_frozen_messages; /* Get them out of the normal directory */
#endif
-#ifdef ALLOW_INSECURE_TAINTED_DATA
-extern BOOL allow_insecure_tainted_data;
-#endif
-
/* These variables are outside the #ifdef because it keeps the code less
cluttered in several places (e.g. during logging) if we can always refer to
them. Also, the tls_ variables are now always visible. */
OCSP_VFIED /* verified */
} ocsp; /* Stapled OCSP status */
#ifndef DISABLE_TLS_RESUME
+ hctx resume_hctx; /* session lookup key accumulation */
+ const uschar * resume_index; /* session lookup key */
+
unsigned resumption; /* Session resumption */
BOOL host_resumable:1;
BOOL ticket_received:1;
#endif
BOOL verify_override:1; /* certificate_verified only due to tls_try_verify_hosts */
BOOL ext_master_secret:1; /* extended-master-secret was used */
+ BOOL channelbind_exporter:1; /* channelbinding is EXPORTER not UNIQUE */
} tls_support;
extern tls_support tls_in;
extern tls_support tls_out;
extern BOOL gnutls_allow_auto_pkcs11; /* Let GnuTLS autoload PKCS11 modules */
extern uschar *hosts_require_alpn; /* Mandatory ALPN successful nogitiation */
extern uschar *openssl_options; /* OpenSSL compatibility options */
-extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
+extern const pcre2_code *regex_STARTTLS; /* For recognizing STARTTLS settings */
extern uschar *tls_alpn; /* ALPN names acceptable */
extern uschar *tls_certificate; /* Certificate file */
extern uschar *tls_crl; /* CRL File */
extern uschar *dsn_envid; /* DSN envid string */
extern int dsn_ret; /* DSN ret type*/
-extern const pcre *regex_DSN; /* For recognizing DSN settings */
+extern const pcre2_code *regex_DSN; /* For recognizing DSN settings */
extern uschar *dsn_advertise_hosts; /* host for which TLS is advertised */
/* Input-reading functions for messages, so we can use special ones for
extern int (*lwr_receive_getc)(unsigned);
extern uschar * (*lwr_receive_getbuf)(unsigned *);
+extern BOOL (*lwr_receive_hasc)(void);
extern int (*lwr_receive_ungetc)(int);
+
extern int (*receive_getc)(unsigned);
extern uschar * (*receive_getbuf)(unsigned *);
+extern BOOL (*receive_hasc)(void);
extern void (*receive_get_cache)(unsigned);
extern int (*receive_ungetc)(int);
extern int (*receive_feof)(void);
extern int (*receive_ferror)(void);
-extern BOOL (*receive_smtp_buffered)(void);
/* For clearing, saving, restoring address expansion variables. We have to have
BOOL continue_more :1; /* Flag more addresses waiting */
BOOL daemon_listen :1; /* True if listening required */
+ BOOL daemon_scion :1; /* Ancestor proc is daemon, and not re-exec'd */
BOOL debug_daemon :1; /* Debug the daemon process only */
BOOL deliver_firsttime :1; /* True for first delivery attempt */
BOOL deliver_force :1; /* TRUE if delivery was forced */
BOOL sender_set_untrusted :1; /* Sender set by untrusted caller */
BOOL smtp_authenticated :1; /* Sending client has authenticated */
#ifndef DISABLE_PIPE_CONNECT
- BOOL smtp_in_early_pipe_advertised :1; /* server advertised PIPE_CONNECT */
+ BOOL smtp_in_early_pipe_advertised :1; /* server advertised PIPECONNECT */
BOOL smtp_in_early_pipe_no_auth :1; /* too many authenticator names */
BOOL smtp_in_early_pipe_used :1; /* client did send early data */
#endif
extern uschar *acl_smtp_data; /* ACL run after DATA received */
#ifndef DISABLE_PRDR
extern uschar *acl_smtp_data_prdr; /* ACL run after DATA received if in PRDR mode*/
-const extern pcre *regex_PRDR; /* For recognizing PRDR settings */
+const extern pcre2_code *regex_PRDR; /* For recognizing PRDR settings */
#endif
#ifndef DISABLE_DKIM
extern uschar *acl_smtp_dkim; /* ACL run for DKIM signatures / domains */
extern uschar *authenticated_id; /* ID that was authenticated */
extern uschar *authenticated_sender; /* From AUTH on MAIL */
extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
+extern uschar *authenticator_name; /* for debug and error messages */
extern uschar *auth_advertise_hosts; /* Only advertise to these */
extern auth_info auths_available[]; /* Vector of available auth mechanisms */
extern auth_instance *auths; /* Chain of instantiated auths */
extern auth_instance auth_defaults; /* Default values */
extern uschar *auth_defer_msg; /* Error message for log */
extern uschar *auth_defer_user_msg; /* Error message for user */
-extern uschar *auth_vars[]; /* $authn variables */
+extern const uschar *auth_vars[]; /* $authn variables */
extern int auto_thaw; /* Auto-thaw interval */
#ifdef WITH_CONTENT_SCAN
extern int av_failed; /* TRUE if the AV process failed */
extern uschar *client_authenticator; /* Authenticator name used for smtp delivery */
extern uschar *client_authenticated_id; /* "login" name used for SMTP AUTH */
extern uschar *client_authenticated_sender; /* AUTH option to SMTP MAIL FROM (not yet used) */
+#ifndef DISABLE_CLIENT_CMD_LOG
+extern gstring *client_cmd_log; /* debug log of client cmds & responses */
+#endif
extern int clmacro_count; /* Number of command line macros */
extern uschar *clmacros[]; /* Copy of them, for re-exec */
extern BOOL commandline_checks_require_admin; /* belt and braces for insecure setups */
extern int debug_notall[]; /* Debug options excluded from +all */
extern bit_table debug_options[]; /* Table of debug options */
extern int debug_options_count; /* Size of table */
+extern unsigned debug_pretrigger_bsize;
+extern uschar *debug_pretrigger_buf; /* circular buffer for precapture */
extern BOOL debug_store; /* Do extra checks on store_reset */
+extern uschar debuglog_name[LOG_NAME_SIZE]; /* ACL-init debug */
+
extern int delay_warning[]; /* Times between warnings */
extern uschar *delay_warning_condition; /* Condition string for warnings */
extern BOOL delivery_date_remove; /* Remove delivery-date headers */
extern uschar *dkim_verify_hashes; /* Preference order for signatures */
extern uschar *dkim_verify_keytypes; /* Preference order for signatures */
extern uschar *dkim_verify_min_keysizes; /* list of minimum key sizes, keyed by algo */
-extern BOOL dkim_verify_minimal; /* Shortcircuit signture verification */
+extern BOOL dkim_verify_minimal; /* Shortcircuit signature verification */
extern uschar *dkim_verify_overall; /* First successful domain verified, or null */
extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */
extern uschar *dkim_verify_status; /* result for this signature */
/* This option is now a no-opt, retained for compatibility */
extern BOOL drop_cr; /* For broken local MUAs */
+extern const uschar *driver_srcfile; /* For debug & errors */
+extern int driver_srcline; /* For debug & errors */
+
+extern unsigned int dtrigger_selector; /* when to start debug */
extern uschar *dsn_from; /* From: string for DSNs */
extern int expand_forbid; /* RDO flags for forbidding things */
extern int expand_nlength[]; /* Lengths of numbered strings */
extern int expand_nmax; /* Max numerical value */
-extern uschar *expand_nstring[]; /* Numbered strings */
+extern const uschar *expand_nstring[]; /* Numbered strings */
extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
extern int keep_malformed; /* Time to keep malformed messages */
extern uschar *eldap_dn; /* Where LDAP DNs are left */
+extern const uschar *letter_digit_hyphen_dot; /* Legitimate DNS host name chars */
#ifdef EXPERIMENTAL_ESMTP_LIMITS
extern uschar *limits_advertise_hosts; /* for banner/EHLO pipelining */
#endif
extern uschar *message_id_external; /* External form of following */
extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
extern uschar *message_id_text; /* Expanded to form message_id */
-extern struct timeval message_id_tv; /* Time used to create last message_id */
extern int message_linecount; /* As it says */
extern BOOL message_logs; /* TRUE to write message logs */
extern int message_size; /* Size of message */
#ifdef SUPPORT_I18N
extern BOOL message_smtputf8; /* Internationalized mail handling */
extern int message_utf8_downconvert; /* convert from utf8 */
-const extern pcre *regex_UTF8; /* For recognizing SMTPUTF8 settings */
+const extern pcre2_code *regex_UTF8; /* For recognizing SMTPUTF8 settings */
#endif
extern uschar message_subdir[]; /* Subdirectory for messages */
extern uschar *message_reference; /* Reference for error messages */
extern uschar *override_local_interfaces; /* Value of -oX argument */
extern uschar *override_pid_file_path; /* Value of -oP argument */
+extern BOOL panic_coredump; /* SEGV rather than exit, on LOG_PANIC_DIE */
+extern pcre2_general_context * pcre_gen_ctx; /* pcre memory management */
+extern pcre2_compile_context * pcre_gen_cmp_ctx;
+extern pcre2_match_context * pcre_gen_mtc_ctx;
+extern pcre2_general_context * pcre_mlc_ctx;
+extern pcre2_compile_context * pcre_mlc_cmp_ctx;
+
extern uschar *percent_hack_domains; /* Local domains for which '% operates */
extern uschar *pid_file_path; /* For writing daemon pids */
#ifndef DISABLE_PIPE_CONNECT
extern int recipients_list_max; /* Maximum number fitting in list */
extern int recipients_max; /* Max permitted */
extern BOOL recipients_max_reject; /* If TRUE, reject whole message */
-extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
-extern const pcre *regex_check_dns_names; /* For DNS name checking */
-extern const pcre *regex_From; /* For recognizing "From_" lines */
-extern const pcre *regex_CHUNKING; /* For recognizing CHUNKING (RFC 3030) */
-extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
+extern const pcre2_code *regex_AUTH; /* For recognizing AUTH settings */
+extern const pcre2_code *regex_check_dns_names; /* For DNS name checking */
+extern const pcre2_code *regex_From; /* For recognizing "From_" lines */
+extern const pcre2_code *regex_CHUNKING; /* For recognizing CHUNKING (RFC 3030) */
+extern const pcre2_code *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
#ifdef EXPERIMENTAL_ESMTP_LIMITS
-extern const pcre *regex_LIMITS; /* For recognizing LIMITS */
+extern const pcre2_code *regex_LIMITS; /* For recognizing LIMITS */
#endif
-extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
-extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
+extern const pcre2_code *regex_PIPELINING; /* For recognizing PIPELINING */
+extern const pcre2_code *regex_SIZE; /* For recognizing SIZE settings */
#ifndef DISABLE_PIPE_CONNECT
-extern const pcre *regex_EARLY_PIPE; /* For recognizing PIPE_CONNCT */
+extern const pcre2_code *regex_EARLY_PIPE; /* For recognizing PIPE_CONNCT */
#endif
-extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
-extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */
-extern uschar *regex_vars[]; /* $regexN variables */
+extern int regex_cachesize; /* number of entries */
+extern const pcre2_code *regex_ismsgid; /* Compiled r.e. for message ID */
+extern const pcre2_code *regex_smtp_code; /* For recognizing SMTP codes */
#ifdef WHITELIST_D_MACROS
-extern const pcre *regex_whitelisted_macro; /* For -D macro values */
+extern const pcre2_code *regex_whitelisted_macro; /* For -D macro values */
#endif
#ifdef WITH_CONTENT_SCAN
extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
+extern const uschar *regex_vars[];
#endif
extern int remote_delivery_count; /* Number of remote addresses */
extern int remote_max_parallel; /* Maximum parallel delivery */
extern FILE *spool_data_file; /* handle for -D file */
extern uschar *spool_directory; /* Name of spool directory */
extern BOOL spool_wireformat; /* can write wireformat -D files */
-#ifdef EXPERIMENTAL_SRS_ALT
-extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
-extern uschar *srs_db_address; /* SRS db address */
-extern uschar *srs_db_key; /* SRS db key */
-extern int srs_hashlength; /* SRS hash length */
-extern int srs_hashmin; /* SRS minimum hash length */
-extern int srs_maxage; /* SRS max age */
-extern uschar *srs_orig_sender; /* SRS original sender */
-extern uschar *srs_orig_recipient; /* SRS original recipient */
-extern uschar *srs_recipient; /* SRS recipient */
-extern uschar *srs_secrets; /* SRS secrets list */
-extern uschar *srs_status; /* SRS staus */
-extern BOOL srs_usehash; /* SRS use hash flag */
-extern BOOL srs_usetimestamp; /* SRS use timestamp flag */
-#endif
#ifdef SUPPORT_SRS
extern uschar *srs_recipient; /* SRS recipient */
#endif
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