BOOL move_frozen_messages = FALSE;
#endif
+#ifdef ALLOW_INSECURE_TAINTED_DATA
+BOOL allow_insecure_tainted_data = FALSE;
+#endif
+
/* These variables are outside the #ifdef because it keeps the code less
cluttered in several places (e.g. during logging) if we can always refer to
them. Also, the tls_ variables are now always visible. Note that these are
uschar *dsn_envid = NULL;
int dsn_ret = 0;
-const pcre *regex_DSN = NULL;
+const pcre2_code *regex_DSN = NULL;
uschar *dsn_advertise_hosts = NULL;
#ifndef DISABLE_TLS
BOOL gnutls_compat_mode = FALSE;
BOOL gnutls_allow_auto_pkcs11 = FALSE;
+uschar *hosts_require_alpn = NULL;
uschar *openssl_options = NULL;
-const pcre *regex_STARTTLS = NULL;
+const pcre2_code *regex_STARTTLS = NULL;
uschar *tls_advertise_hosts = US"*";
+uschar *tls_alpn = US"smtp:esmtp";
uschar *tls_certificate = NULL;
uschar *tls_crl = NULL;
/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
uschar *tls_resumption_hosts = NULL;
# endif
uschar *tls_try_verify_hosts = NULL;
-#if defined(SUPPORT_SYSDEFAULT_CABUNDLE) || !defined(USE_GNUTLS)
uschar *tls_verify_certificates= US"system";
-#else
-uschar *tls_verify_certificates= NULL;
-#endif
uschar *tls_verify_hosts = NULL;
int tls_watch_fd = -1;
time_t tls_watch_trigger_time = (time_t)0;
/* Per Recipient Data Response variables */
BOOL prdr_enable = FALSE;
BOOL prdr_requested = FALSE;
-const pcre *regex_PRDR = NULL;
+const pcre2_code *regex_PRDR = NULL;
#endif
#ifdef SUPPORT_I18N
-const pcre *regex_UTF8 = NULL;
+const pcre2_code *regex_UTF8 = NULL;
#endif
/* Input-reading functions for messages, so we can use special ones for
stand-alone tests. */
#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
-int (*lwr_receive_getc)(unsigned) = stdin_getc;
+int (*lwr_receive_getc)(unsigned) = stdin_getc;
uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
-int (*lwr_receive_ungetc)(int) = stdin_ungetc;
-int (*receive_getc)(unsigned) = stdin_getc;
-uschar * (*receive_getbuf)(unsigned *) = NULL;
-void (*receive_get_cache)(void)= NULL;
-int (*receive_ungetc)(int) = stdin_ungetc;
-int (*receive_feof)(void) = stdin_feof;
-int (*receive_ferror)(void) = stdin_ferror;
-BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
+int (*lwr_receive_ungetc)(int) = stdin_ungetc;
+BOOL (*lwr_receive_hasc)(void) = stdin_hasc;
+
+int (*receive_getc)(unsigned) = stdin_getc;
+uschar * (*receive_getbuf)(unsigned *) = NULL;
+void (*receive_get_cache)(unsigned) = NULL;
+BOOL (*receive_hasc)(void) = stdin_hasc;
+int (*receive_ungetc)(int) = stdin_ungetc;
+int (*receive_feof)(void) = stdin_feof;
+int (*receive_ferror)(void) = stdin_ferror;
+BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
#endif
uschar *auth_defer_msg = US"reason not recorded";
uschar *auth_defer_user_msg = US"";
-uschar *auth_vars[AUTH_VARS];
+const uschar *auth_vars[AUTH_VARS];
int auto_thaw = 0;
#ifdef WITH_CONTENT_SCAN
int av_failed = FALSE; /* boolean but accessed as vtype_int*/
unsigned chunking_datasize = 0;
unsigned chunking_data_left = 0;
chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
-const pcre *regex_CHUNKING = NULL;
+const pcre2_code *regex_CHUNKING = NULL;
#ifdef EXPERIMENTAL_ESMTP_LIMITS
-const pcre *regex_LIMITS = NULL;
+const pcre2_code *regex_LIMITS = NULL;
#endif
uschar *client_authenticator = NULL;
int expand_forbid = 0;
int expand_nlength[EXPAND_MAXN+1];
int expand_nmax = -1;
-uschar *expand_nstring[EXPAND_MAXN+1];
+const uschar *expand_nstring[EXPAND_MAXN+1];
uschar *expand_string_message;
uschar *extra_local_interfaces = NULL;
volatile sig_atomic_t had_command_sigterm = 0;
volatile sig_atomic_t had_data_timeout = 0;
volatile sig_atomic_t had_data_sigint = 0;
-uschar *headers_charset = US HEADERS_CHARSET;
+const uschar *headers_charset = US HEADERS_CHARSET;
int header_insert_maxlen = 64 * 1024;
header_line *header_last = NULL;
header_line *header_list = NULL;
tree_node *hostlist_anchor = NULL;
int hostlist_count = 0;
uschar *hosts_treat_as_local = NULL;
+uschar *hosts_require_helo = US"*";
uschar *hosts_connection_nolog = NULL;
int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
Li_size_reject,
Li_skip_delivery,
Li_smtp_confirmation,
+#ifdef ALLOW_INSECURE_TAINTED_DATA
+ Li_tainted,
+#endif
Li_tls_certificate_verified,
Li_tls_cipher,
-1
BIT_TABLE(L, smtp_protocol_error),
BIT_TABLE(L, smtp_syntax_error),
BIT_TABLE(L, subject),
+#ifdef ALLOW_INSECURE_TAINTED_DATA
+ BIT_TABLE(L, tainted),
+#endif
BIT_TABLE(L, tls_certificate_verified),
BIT_TABLE(L, tls_cipher),
BIT_TABLE(L, tls_peerdn),
uschar *message_id;
uschar *message_id_domain = NULL;
uschar *message_id_text = NULL;
-struct timeval message_id_tv = { 0, 0 };
uschar message_id_option[MESSAGE_ID_LENGTH + 3];
uschar *message_id_external;
int message_linecount = 0;
uschar *override_local_interfaces = NULL;
uschar *override_pid_file_path = NULL;
+pcre2_general_context * pcre_gen_ctx = NULL;
+pcre2_compile_context * pcre_cmp_ctx = NULL;
+pcre2_match_context * pcre_mtc_ctx = NULL;
+
uschar *percent_hack_domains = NULL;
uschar *pid_file_path = US PID_FILE_PATH
"\0<--------------Space to patch pid_file_path->";
recipient_item *recipients_list = NULL;
int recipients_list_max = 0;
int recipients_max = 50000;
-const pcre *regex_AUTH = NULL;
-const pcre *regex_check_dns_names = NULL;
-const pcre *regex_From = NULL;
-const pcre *regex_IGNOREQUOTA = NULL;
-const pcre *regex_PIPELINING = NULL;
-const pcre *regex_SIZE = NULL;
+const pcre2_code *regex_AUTH = NULL;
+const pcre2_code *regex_check_dns_names = NULL;
+const pcre2_code *regex_From = NULL;
+const pcre2_code *regex_IGNOREQUOTA = NULL;
+const pcre2_code *regex_PIPELINING = NULL;
+const pcre2_code *regex_SIZE = NULL;
#ifndef DISABLE_PIPE_CONNECT
-const pcre *regex_EARLY_PIPE = NULL;
+const pcre2_code *regex_EARLY_PIPE = NULL;
#endif
-const pcre *regex_ismsgid = NULL;
-const pcre *regex_smtp_code = NULL;
-uschar *regex_vars[REGEX_VARS];
+const pcre2_code *regex_ismsgid = NULL;
+const pcre2_code *regex_smtp_code = NULL;
+const uschar *regex_vars[REGEX_VARS];
#ifdef WHITELIST_D_MACROS
-const pcre *regex_whitelisted_macro = NULL;
+const pcre2_code *regex_whitelisted_macro = NULL;
#endif
#ifdef WITH_CONTENT_SCAN
uschar *regex_match_string = NULL;
int smtp_accept_queue_per_connection = 10;
int smtp_accept_reserve = 0;
uschar *smtp_active_hostname = NULL;
+int smtp_backlog_monitor = 0;
uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
"Exim $version_number $tod_full"
"\0<---------------Space to patch smtp_banner->";
double smtp_delay_mail = 0.0;
double smtp_delay_rcpt = 0.0;
FILE *smtp_in = NULL;
+int smtp_listen_backlog = 0;
int smtp_load_reserve = -1;
int smtp_mailcmd_count = 0;
+int smtp_mailcmd_max = -1;
FILE *smtp_out = NULL;
uschar *smtp_etrn_command = NULL;
int smtp_max_synprot_errors= 3;